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Linux 2.6.33.13
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
blob3f8e8495b743f27fd6256776892e04bf2296b62c
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_FCP2_DEVICE)
209 opts |= BIT_1;
210 rval = qla2x00_get_port_database(vha, fcport, opts);
211 if (rval != QLA_SUCCESS)
212 qla2x00_mark_device_lost(vha, fcport, 1, 0);
213 else
214 qla2x00_update_fcport(vha, fcport);
215 break;
216 case MBS_COMMAND_ERROR:
217 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
218 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
219 else
220 qla2x00_mark_device_lost(vha, fcport, 1, 0);
221 break;
222 case MBS_PORT_ID_USED:
223 fcport->loop_id = data[1];
224 qla2x00_post_async_login_work(vha, fcport, NULL);
225 break;
226 case MBS_LOOP_ID_USED:
227 fcport->loop_id++;
228 rval = qla2x00_find_new_loop_id(vha, fcport);
229 if (rval != QLA_SUCCESS) {
230 qla2x00_mark_device_lost(vha, fcport, 1, 0);
231 break;
232 }
233 qla2x00_post_async_login_work(vha, fcport, NULL);
234 break;
235 }
236 return QLA_SUCCESS;
237 }
238
239 int
240 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
241 uint16_t *data)
242 {
243 qla2x00_mark_device_lost(vha, fcport, 1, 0);
244 return QLA_SUCCESS;
245 }
246
247 /****************************************************************************/
248 /* QLogic ISP2x00 Hardware Support Functions. */
249 /****************************************************************************/
250
251 /*
252 * qla2x00_initialize_adapter
253 * Initialize board.
254 *
255 * Input:
256 * ha = adapter block pointer.
257 *
258 * Returns:
259 * 0 = success
260 */
261 int
262 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
263 {
264 int rval;
265 struct qla_hw_data *ha = vha->hw;
266 struct req_que *req = ha->req_q_map[0];
267
268 /* Clear adapter flags. */
269 vha->flags.online = 0;
270 ha->flags.chip_reset_done = 0;
271 vha->flags.reset_active = 0;
272 ha->flags.pci_channel_io_perm_failure = 0;
273 ha->flags.eeh_busy = 0;
274 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
275 atomic_set(&vha->loop_state, LOOP_DOWN);
276 vha->device_flags = DFLG_NO_CABLE;
277 vha->dpc_flags = 0;
278 vha->flags.management_server_logged_in = 0;
279 vha->marker_needed = 0;
280 ha->isp_abort_cnt = 0;
281 ha->beacon_blink_led = 0;
282
283 set_bit(0, ha->req_qid_map);
284 set_bit(0, ha->rsp_qid_map);
285
286 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
287 rval = ha->isp_ops->pci_config(vha);
288 if (rval) {
289 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
290 vha->host_no));
291 return (rval);
292 }
293
294 ha->isp_ops->reset_chip(vha);
295
296 rval = qla2xxx_get_flash_info(vha);
297 if (rval) {
298 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
299 vha->host_no));
300 return (rval);
301 }
302
303 ha->isp_ops->get_flash_version(vha, req->ring);
304
305 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
306
307 ha->isp_ops->nvram_config(vha);
308
309 if (ha->flags.disable_serdes) {
310 /* Mask HBA via NVRAM settings? */
311 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
312 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
313 vha->port_name[0], vha->port_name[1],
314 vha->port_name[2], vha->port_name[3],
315 vha->port_name[4], vha->port_name[5],
316 vha->port_name[6], vha->port_name[7]);
317 return QLA_FUNCTION_FAILED;
318 }
319
320 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
321
322 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
323 rval = ha->isp_ops->chip_diag(vha);
324 if (rval)
325 return (rval);
326 rval = qla2x00_setup_chip(vha);
327 if (rval)
328 return (rval);
329 }
330 if (IS_QLA84XX(ha)) {
331 ha->cs84xx = qla84xx_get_chip(vha);
332 if (!ha->cs84xx) {
333 qla_printk(KERN_ERR, ha,
334 "Unable to configure ISP84XX.\n");
335 return QLA_FUNCTION_FAILED;
336 }
337 }
338 rval = qla2x00_init_rings(vha);
339 ha->flags.chip_reset_done = 1;
340
341 return (rval);
342 }
343
344 /**
345 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
346 * @ha: HA context
347 *
348 * Returns 0 on success.
349 */
350 int
351 qla2100_pci_config(scsi_qla_host_t *vha)
352 {
353 uint16_t w;
354 unsigned long flags;
355 struct qla_hw_data *ha = vha->hw;
356 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
357
358 pci_set_master(ha->pdev);
359 pci_try_set_mwi(ha->pdev);
360
361 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
362 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
363 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
364
365 pci_disable_rom(ha->pdev);
366
367 /* Get PCI bus information. */
368 spin_lock_irqsave(&ha->hardware_lock, flags);
369 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
370 spin_unlock_irqrestore(&ha->hardware_lock, flags);
371
372 return QLA_SUCCESS;
373 }
374
375 /**
376 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
377 * @ha: HA context
378 *
379 * Returns 0 on success.
380 */
381 int
382 qla2300_pci_config(scsi_qla_host_t *vha)
383 {
384 uint16_t w;
385 unsigned long flags = 0;
386 uint32_t cnt;
387 struct qla_hw_data *ha = vha->hw;
388 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
389
390 pci_set_master(ha->pdev);
391 pci_try_set_mwi(ha->pdev);
392
393 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
394 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
395
396 if (IS_QLA2322(ha) || IS_QLA6322(ha))
397 w &= ~PCI_COMMAND_INTX_DISABLE;
398 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
399
400 /*
401 * If this is a 2300 card and not 2312, reset the
402 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
403 * the 2310 also reports itself as a 2300 so we need to get the
404 * fb revision level -- a 6 indicates it really is a 2300 and
405 * not a 2310.
406 */
407 if (IS_QLA2300(ha)) {
408 spin_lock_irqsave(&ha->hardware_lock, flags);
409
410 /* Pause RISC. */
411 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
412 for (cnt = 0; cnt < 30000; cnt++) {
413 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
414 break;
415
416 udelay(10);
417 }
418
419 /* Select FPM registers. */
420 WRT_REG_WORD(&reg->ctrl_status, 0x20);
421 RD_REG_WORD(&reg->ctrl_status);
422
423 /* Get the fb rev level */
424 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
425
426 if (ha->fb_rev == FPM_2300)
427 pci_clear_mwi(ha->pdev);
428
429 /* Deselect FPM registers. */
430 WRT_REG_WORD(&reg->ctrl_status, 0x0);
431 RD_REG_WORD(&reg->ctrl_status);
432
433 /* Release RISC module. */
434 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
435 for (cnt = 0; cnt < 30000; cnt++) {
436 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
437 break;
438
439 udelay(10);
440 }
441
442 spin_unlock_irqrestore(&ha->hardware_lock, flags);
443 }
444
445 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
446
447 pci_disable_rom(ha->pdev);
448
449 /* Get PCI bus information. */
450 spin_lock_irqsave(&ha->hardware_lock, flags);
451 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
452 spin_unlock_irqrestore(&ha->hardware_lock, flags);
453
454 return QLA_SUCCESS;
455 }
456
457 /**
458 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
459 * @ha: HA context
460 *
461 * Returns 0 on success.
462 */
463 int
464 qla24xx_pci_config(scsi_qla_host_t *vha)
465 {
466 uint16_t w;
467 unsigned long flags = 0;
468 struct qla_hw_data *ha = vha->hw;
469 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
470
471 pci_set_master(ha->pdev);
472 pci_try_set_mwi(ha->pdev);
473
474 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
475 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
476 w &= ~PCI_COMMAND_INTX_DISABLE;
477 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
478
479 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
480
481 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
482 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
483 pcix_set_mmrbc(ha->pdev, 2048);
484
485 /* PCIe -- adjust Maximum Read Request Size (2048). */
486 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
487 pcie_set_readrq(ha->pdev, 2048);
488
489 pci_disable_rom(ha->pdev);
490
491 ha->chip_revision = ha->pdev->revision;
492
493 /* Get PCI bus information. */
494 spin_lock_irqsave(&ha->hardware_lock, flags);
495 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
496 spin_unlock_irqrestore(&ha->hardware_lock, flags);
497
498 return QLA_SUCCESS;
499 }
500
501 /**
502 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
503 * @ha: HA context
504 *
505 * Returns 0 on success.
506 */
507 int
508 qla25xx_pci_config(scsi_qla_host_t *vha)
509 {
510 uint16_t w;
511 struct qla_hw_data *ha = vha->hw;
512
513 pci_set_master(ha->pdev);
514 pci_try_set_mwi(ha->pdev);
515
516 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
517 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
518 w &= ~PCI_COMMAND_INTX_DISABLE;
519 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
520
521 /* PCIe -- adjust Maximum Read Request Size (2048). */
522 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
523 pcie_set_readrq(ha->pdev, 2048);
524
525 pci_disable_rom(ha->pdev);
526
527 ha->chip_revision = ha->pdev->revision;
528
529 return QLA_SUCCESS;
530 }
531
532 /**
533 * qla2x00_isp_firmware() - Choose firmware image.
534 * @ha: HA context
535 *
536 * Returns 0 on success.
537 */
538 static int
539 qla2x00_isp_firmware(scsi_qla_host_t *vha)
540 {
541 int rval;
542 uint16_t loop_id, topo, sw_cap;
543 uint8_t domain, area, al_pa;
544 struct qla_hw_data *ha = vha->hw;
545
546 /* Assume loading risc code */
547 rval = QLA_FUNCTION_FAILED;
548
549 if (ha->flags.disable_risc_code_load) {
550 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
551 vha->host_no));
552 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
553
554 /* Verify checksum of loaded RISC code. */
555 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
556 if (rval == QLA_SUCCESS) {
557 /* And, verify we are not in ROM code. */
558 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
559 &area, &domain, &topo, &sw_cap);
560 }
561 }
562
563 if (rval) {
564 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
565 vha->host_no));
566 }
567
568 return (rval);
569 }
570
571 /**
572 * qla2x00_reset_chip() - Reset ISP chip.
573 * @ha: HA context
574 *
575 * Returns 0 on success.
576 */
577 void
578 qla2x00_reset_chip(scsi_qla_host_t *vha)
579 {
580 unsigned long flags = 0;
581 struct qla_hw_data *ha = vha->hw;
582 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
583 uint32_t cnt;
584 uint16_t cmd;
585
586 if (unlikely(pci_channel_offline(ha->pdev)))
587 return;
588
589 ha->isp_ops->disable_intrs(ha);
590
591 spin_lock_irqsave(&ha->hardware_lock, flags);
592
593 /* Turn off master enable */
594 cmd = 0;
595 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
596 cmd &= ~PCI_COMMAND_MASTER;
597 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
598
599 if (!IS_QLA2100(ha)) {
600 /* Pause RISC. */
601 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
602 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
603 for (cnt = 0; cnt < 30000; cnt++) {
604 if ((RD_REG_WORD(&reg->hccr) &
605 HCCR_RISC_PAUSE) != 0)
606 break;
607 udelay(100);
608 }
609 } else {
610 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
611 udelay(10);
612 }
613
614 /* Select FPM registers. */
615 WRT_REG_WORD(&reg->ctrl_status, 0x20);
616 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
617
618 /* FPM Soft Reset. */
619 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
620 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
621
622 /* Toggle Fpm Reset. */
623 if (!IS_QLA2200(ha)) {
624 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
625 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
626 }
627
628 /* Select frame buffer registers. */
629 WRT_REG_WORD(&reg->ctrl_status, 0x10);
630 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
631
632 /* Reset frame buffer FIFOs. */
633 if (IS_QLA2200(ha)) {
634 WRT_FB_CMD_REG(ha, reg, 0xa000);
635 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
636 } else {
637 WRT_FB_CMD_REG(ha, reg, 0x00fc);
638
639 /* Read back fb_cmd until zero or 3 seconds max */
640 for (cnt = 0; cnt < 3000; cnt++) {
641 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
642 break;
643 udelay(100);
644 }
645 }
646
647 /* Select RISC module registers. */
648 WRT_REG_WORD(&reg->ctrl_status, 0);
649 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
650
651 /* Reset RISC processor. */
652 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
653 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
654
655 /* Release RISC processor. */
656 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
657 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
658 }
659
660 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
661 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
662
663 /* Reset ISP chip. */
664 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
665
666 /* Wait for RISC to recover from reset. */
667 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
668 /*
669 * It is necessary to for a delay here since the card doesn't
670 * respond to PCI reads during a reset. On some architectures
671 * this will result in an MCA.
672 */
673 udelay(20);
674 for (cnt = 30000; cnt; cnt--) {
675 if ((RD_REG_WORD(&reg->ctrl_status) &
676 CSR_ISP_SOFT_RESET) == 0)
677 break;
678 udelay(100);
679 }
680 } else
681 udelay(10);
682
683 /* Reset RISC processor. */
684 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
685
686 WRT_REG_WORD(&reg->semaphore, 0);
687
688 /* Release RISC processor. */
689 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
690 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
691
692 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
693 for (cnt = 0; cnt < 30000; cnt++) {
694 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
695 break;
696
697 udelay(100);
698 }
699 } else
700 udelay(100);
701
702 /* Turn on master enable */
703 cmd |= PCI_COMMAND_MASTER;
704 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
705
706 /* Disable RISC pause on FPM parity error. */
707 if (!IS_QLA2100(ha)) {
708 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
709 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
710 }
711
712 spin_unlock_irqrestore(&ha->hardware_lock, flags);
713 }
714
715 /**
716 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
717 * @ha: HA context
718 *
719 * Returns 0 on success.
720 */
721 static inline void
722 qla24xx_reset_risc(scsi_qla_host_t *vha)
723 {
724 unsigned long flags = 0;
725 struct qla_hw_data *ha = vha->hw;
726 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
727 uint32_t cnt, d2;
728 uint16_t wd;
729
730 spin_lock_irqsave(&ha->hardware_lock, flags);
731
732 /* Reset RISC. */
733 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
734 for (cnt = 0; cnt < 30000; cnt++) {
735 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
736 break;
737
738 udelay(10);
739 }
740
741 WRT_REG_DWORD(&reg->ctrl_status,
742 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
743 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
744
745 udelay(100);
746 /* Wait for firmware to complete NVRAM accesses. */
747 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
748 for (cnt = 10000 ; cnt && d2; cnt--) {
749 udelay(5);
750 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
751 barrier();
752 }
753
754 /* Wait for soft-reset to complete. */
755 d2 = RD_REG_DWORD(&reg->ctrl_status);
756 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
757 udelay(5);
758 d2 = RD_REG_DWORD(&reg->ctrl_status);
759 barrier();
760 }
761
762 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
763 RD_REG_DWORD(&reg->hccr);
764
765 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
766 RD_REG_DWORD(&reg->hccr);
767
768 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
769 RD_REG_DWORD(&reg->hccr);
770
771 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
772 for (cnt = 6000000 ; cnt && d2; cnt--) {
773 udelay(5);
774 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
775 barrier();
776 }
777
778 spin_unlock_irqrestore(&ha->hardware_lock, flags);
779
780 if (IS_NOPOLLING_TYPE(ha))
781 ha->isp_ops->enable_intrs(ha);
782 }
783
784 /**
785 * qla24xx_reset_chip() - Reset ISP24xx chip.
786 * @ha: HA context
787 *
788 * Returns 0 on success.
789 */
790 void
791 qla24xx_reset_chip(scsi_qla_host_t *vha)
792 {
793 struct qla_hw_data *ha = vha->hw;
794
795 if (pci_channel_offline(ha->pdev) &&
796 ha->flags.pci_channel_io_perm_failure) {
797 return;
798 }
799
800 ha->isp_ops->disable_intrs(ha);
801
802 /* Perform RISC reset. */
803 qla24xx_reset_risc(vha);
804 }
805
806 /**
807 * qla2x00_chip_diag() - Test chip for proper operation.
808 * @ha: HA context
809 *
810 * Returns 0 on success.
811 */
812 int
813 qla2x00_chip_diag(scsi_qla_host_t *vha)
814 {
815 int rval;
816 struct qla_hw_data *ha = vha->hw;
817 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
818 unsigned long flags = 0;
819 uint16_t data;
820 uint32_t cnt;
821 uint16_t mb[5];
822 struct req_que *req = ha->req_q_map[0];
823
824 /* Assume a failed state */
825 rval = QLA_FUNCTION_FAILED;
826
827 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
828 vha->host_no, (u_long)&reg->flash_address));
829
830 spin_lock_irqsave(&ha->hardware_lock, flags);
831
832 /* Reset ISP chip. */
833 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
834
835 /*
836 * We need to have a delay here since the card will not respond while
837 * in reset causing an MCA on some architectures.
838 */
839 udelay(20);
840 data = qla2x00_debounce_register(&reg->ctrl_status);
841 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
842 udelay(5);
843 data = RD_REG_WORD(&reg->ctrl_status);
844 barrier();
845 }
846
847 if (!cnt)
848 goto chip_diag_failed;
849
850 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
851 vha->host_no));
852
853 /* Reset RISC processor. */
854 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
855 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
856
857 /* Workaround for QLA2312 PCI parity error */
858 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
859 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
860 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
861 udelay(5);
862 data = RD_MAILBOX_REG(ha, reg, 0);
863 barrier();
864 }
865 } else
866 udelay(10);
867
868 if (!cnt)
869 goto chip_diag_failed;
870
871 /* Check product ID of chip */
872 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
873
874 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
875 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
876 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
877 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
878 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
879 mb[3] != PROD_ID_3) {
880 qla_printk(KERN_WARNING, ha,
881 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
882
883 goto chip_diag_failed;
884 }
885 ha->product_id[0] = mb[1];
886 ha->product_id[1] = mb[2];
887 ha->product_id[2] = mb[3];
888 ha->product_id[3] = mb[4];
889
890 /* Adjust fw RISC transfer size */
891 if (req->length > 1024)
892 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
893 else
894 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
895 req->length;
896
897 if (IS_QLA2200(ha) &&
898 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
899 /* Limit firmware transfer size with a 2200A */
900 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
901 vha->host_no));
902
903 ha->device_type |= DT_ISP2200A;
904 ha->fw_transfer_size = 128;
905 }
906
907 /* Wrap Incoming Mailboxes Test. */
908 spin_unlock_irqrestore(&ha->hardware_lock, flags);
909
910 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
911 rval = qla2x00_mbx_reg_test(vha);
912 if (rval) {
913 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
914 vha->host_no));
915 qla_printk(KERN_WARNING, ha,
916 "Failed mailbox send register test\n");
917 }
918 else {
919 /* Flag a successful rval */
920 rval = QLA_SUCCESS;
921 }
922 spin_lock_irqsave(&ha->hardware_lock, flags);
923
924 chip_diag_failed:
925 if (rval)
926 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
927 "****\n", vha->host_no));
928
929 spin_unlock_irqrestore(&ha->hardware_lock, flags);
930
931 return (rval);
932 }
933
934 /**
935 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
936 * @ha: HA context
937 *
938 * Returns 0 on success.
939 */
940 int
941 qla24xx_chip_diag(scsi_qla_host_t *vha)
942 {
943 int rval;
944 struct qla_hw_data *ha = vha->hw;
945 struct req_que *req = ha->req_q_map[0];
946
947 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
948
949 rval = qla2x00_mbx_reg_test(vha);
950 if (rval) {
951 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
952 vha->host_no));
953 qla_printk(KERN_WARNING, ha,
954 "Failed mailbox send register test\n");
955 } else {
956 /* Flag a successful rval */
957 rval = QLA_SUCCESS;
958 }
959
960 return rval;
961 }
962
963 void
964 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
965 {
966 int rval;
967 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
968 eft_size, fce_size, mq_size;
969 dma_addr_t tc_dma;
970 void *tc;
971 struct qla_hw_data *ha = vha->hw;
972 struct req_que *req = ha->req_q_map[0];
973 struct rsp_que *rsp = ha->rsp_q_map[0];
974
975 if (ha->fw_dump) {
976 qla_printk(KERN_WARNING, ha,
977 "Firmware dump previously allocated.\n");
978 return;
979 }
980
981 ha->fw_dumped = 0;
982 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
983 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
984 fixed_size = sizeof(struct qla2100_fw_dump);
985 } else if (IS_QLA23XX(ha)) {
986 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
987 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
988 sizeof(uint16_t);
989 } else if (IS_FWI2_CAPABLE(ha)) {
990 if (IS_QLA81XX(ha))
991 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
992 else if (IS_QLA25XX(ha))
993 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
994 else
995 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
996 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
997 sizeof(uint32_t);
998 if (ha->mqenable)
999 mq_size = sizeof(struct qla2xxx_mq_chain);
1000 /* Allocate memory for Fibre Channel Event Buffer. */
1001 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1002 goto try_eft;
1003
1004 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1005 GFP_KERNEL);
1006 if (!tc) {
1007 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1008 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1009 goto try_eft;
1010 }
1011
1012 memset(tc, 0, FCE_SIZE);
1013 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1014 ha->fce_mb, &ha->fce_bufs);
1015 if (rval) {
1016 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1017 "FCE (%d).\n", rval);
1018 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1019 tc_dma);
1020 ha->flags.fce_enabled = 0;
1021 goto try_eft;
1022 }
1023
1024 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1025 FCE_SIZE / 1024);
1026
1027 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1028 ha->flags.fce_enabled = 1;
1029 ha->fce_dma = tc_dma;
1030 ha->fce = tc;
1031 try_eft:
1032 /* Allocate memory for Extended Trace Buffer. */
1033 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1034 GFP_KERNEL);
1035 if (!tc) {
1036 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1037 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1038 goto cont_alloc;
1039 }
1040
1041 memset(tc, 0, EFT_SIZE);
1042 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1043 if (rval) {
1044 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1045 "EFT (%d).\n", rval);
1046 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1047 tc_dma);
1048 goto cont_alloc;
1049 }
1050
1051 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1052 EFT_SIZE / 1024);
1053
1054 eft_size = EFT_SIZE;
1055 ha->eft_dma = tc_dma;
1056 ha->eft = tc;
1057 }
1058 cont_alloc:
1059 req_q_size = req->length * sizeof(request_t);
1060 rsp_q_size = rsp->length * sizeof(response_t);
1061
1062 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1063 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1064 ha->chain_offset = dump_size;
1065 dump_size += mq_size + fce_size;
1066
1067 ha->fw_dump = vmalloc(dump_size);
1068 if (!ha->fw_dump) {
1069 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1070 "firmware dump!!!\n", dump_size / 1024);
1071
1072 if (ha->eft) {
1073 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1074 ha->eft_dma);
1075 ha->eft = NULL;
1076 ha->eft_dma = 0;
1077 }
1078 return;
1079 }
1080 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1081 dump_size / 1024);
1082
1083 ha->fw_dump_len = dump_size;
1084 ha->fw_dump->signature[0] = 'Q';
1085 ha->fw_dump->signature[1] = 'L';
1086 ha->fw_dump->signature[2] = 'G';
1087 ha->fw_dump->signature[3] = 'C';
1088 ha->fw_dump->version = __constant_htonl(1);
1089
1090 ha->fw_dump->fixed_size = htonl(fixed_size);
1091 ha->fw_dump->mem_size = htonl(mem_size);
1092 ha->fw_dump->req_q_size = htonl(req_q_size);
1093 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1094
1095 ha->fw_dump->eft_size = htonl(eft_size);
1096 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1097 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1098
1099 ha->fw_dump->header_size =
1100 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1101 }
1102
1103 static int
1104 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1105 {
1106 #define MPS_MASK 0xe0
1107 int rval;
1108 uint16_t dc;
1109 uint32_t dw;
1110 struct qla_hw_data *ha = vha->hw;
1111
1112 if (!IS_QLA81XX(vha->hw))
1113 return QLA_SUCCESS;
1114
1115 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1116 if (rval != QLA_SUCCESS) {
1117 DEBUG2(qla_printk(KERN_WARNING, ha,
1118 "Sync-MPI: Unable to acquire semaphore.\n"));
1119 goto done;
1120 }
1121
1122 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1123 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1124 if (rval != QLA_SUCCESS) {
1125 DEBUG2(qla_printk(KERN_WARNING, ha,
1126 "Sync-MPI: Unable to read sync.\n"));
1127 goto done_release;
1128 }
1129
1130 dc &= MPS_MASK;
1131 if (dc == (dw & MPS_MASK))
1132 goto done_release;
1133
1134 dw &= ~MPS_MASK;
1135 dw |= dc;
1136 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1137 if (rval != QLA_SUCCESS) {
1138 DEBUG2(qla_printk(KERN_WARNING, ha,
1139 "Sync-MPI: Unable to gain sync.\n"));
1140 }
1141
1142 done_release:
1143 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1144 if (rval != QLA_SUCCESS) {
1145 DEBUG2(qla_printk(KERN_WARNING, ha,
1146 "Sync-MPI: Unable to release semaphore.\n"));
1147 }
1148
1149 done:
1150 return rval;
1151 }
1152
1153 /**
1154 * qla2x00_setup_chip() - Load and start RISC firmware.
1155 * @ha: HA context
1156 *
1157 * Returns 0 on success.
1158 */
1159 static int
1160 qla2x00_setup_chip(scsi_qla_host_t *vha)
1161 {
1162 int rval;
1163 uint32_t srisc_address = 0;
1164 struct qla_hw_data *ha = vha->hw;
1165 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1166 unsigned long flags;
1167 uint16_t fw_major_version;
1168
1169 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1170 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1171 spin_lock_irqsave(&ha->hardware_lock, flags);
1172 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1173 RD_REG_WORD(&reg->hccr);
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175 }
1176
1177 qla81xx_mpi_sync(vha);
1178
1179 /* Load firmware sequences */
1180 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1181 if (rval == QLA_SUCCESS) {
1182 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1183 "code.\n", vha->host_no));
1184
1185 rval = qla2x00_verify_checksum(vha, srisc_address);
1186 if (rval == QLA_SUCCESS) {
1187 /* Start firmware execution. */
1188 DEBUG(printk("scsi(%ld): Checksum OK, start "
1189 "firmware.\n", vha->host_no));
1190
1191 rval = qla2x00_execute_fw(vha, srisc_address);
1192 /* Retrieve firmware information. */
1193 if (rval == QLA_SUCCESS) {
1194 fw_major_version = ha->fw_major_version;
1195 rval = qla2x00_get_fw_version(vha,
1196 &ha->fw_major_version,
1197 &ha->fw_minor_version,
1198 &ha->fw_subminor_version,
1199 &ha->fw_attributes, &ha->fw_memory_size,
1200 ha->mpi_version, &ha->mpi_capabilities,
1201 ha->phy_version);
1202 if (rval != QLA_SUCCESS)
1203 goto failed;
1204 ha->flags.npiv_supported = 0;
1205 if (IS_QLA2XXX_MIDTYPE(ha) &&
1206 (ha->fw_attributes & BIT_2)) {
1207 ha->flags.npiv_supported = 1;
1208 if ((!ha->max_npiv_vports) ||
1209 ((ha->max_npiv_vports + 1) %
1210 MIN_MULTI_ID_FABRIC))
1211 ha->max_npiv_vports =
1212 MIN_MULTI_ID_FABRIC - 1;
1213 }
1214 qla2x00_get_resource_cnts(vha, NULL,
1215 &ha->fw_xcb_count, NULL, NULL,
1216 &ha->max_npiv_vports, NULL);
1217
1218 if (!fw_major_version && ql2xallocfwdump)
1219 qla2x00_alloc_fw_dump(vha);
1220 }
1221 } else {
1222 DEBUG2(printk(KERN_INFO
1223 "scsi(%ld): ISP Firmware failed checksum.\n",
1224 vha->host_no));
1225 }
1226 }
1227
1228 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1229 /* Enable proper parity. */
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231 if (IS_QLA2300(ha))
1232 /* SRAM parity */
1233 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1234 else
1235 /* SRAM, Instruction RAM and GP RAM parity */
1236 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1237 RD_REG_WORD(&reg->hccr);
1238 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1239 }
1240
1241 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1242 uint32_t size;
1243
1244 rval = qla81xx_fac_get_sector_size(vha, &size);
1245 if (rval == QLA_SUCCESS) {
1246 ha->flags.fac_supported = 1;
1247 ha->fdt_block_size = size << 2;
1248 } else {
1249 qla_printk(KERN_ERR, ha,
1250 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1251 ha->fw_major_version, ha->fw_minor_version,
1252 ha->fw_subminor_version);
1253 }
1254 }
1255 failed:
1256 if (rval) {
1257 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1258 vha->host_no));
1259 }
1260
1261 return (rval);
1262 }
1263
1264 /**
1265 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1266 * @ha: HA context
1267 *
1268 * Beginning of request ring has initialization control block already built
1269 * by nvram config routine.
1270 *
1271 * Returns 0 on success.
1272 */
1273 void
1274 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1275 {
1276 uint16_t cnt;
1277 response_t *pkt;
1278
1279 rsp->ring_ptr = rsp->ring;
1280 rsp->ring_index = 0;
1281 rsp->status_srb = NULL;
1282 pkt = rsp->ring_ptr;
1283 for (cnt = 0; cnt < rsp->length; cnt++) {
1284 pkt->signature = RESPONSE_PROCESSED;
1285 pkt++;
1286 }
1287 }
1288
1289 /**
1290 * qla2x00_update_fw_options() - Read and process firmware options.
1291 * @ha: HA context
1292 *
1293 * Returns 0 on success.
1294 */
1295 void
1296 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1297 {
1298 uint16_t swing, emphasis, tx_sens, rx_sens;
1299 struct qla_hw_data *ha = vha->hw;
1300
1301 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1302 qla2x00_get_fw_options(vha, ha->fw_options);
1303
1304 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1305 return;
1306
1307 /* Serial Link options. */
1308 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1309 vha->host_no));
1310 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1311 sizeof(ha->fw_seriallink_options)));
1312
1313 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1314 if (ha->fw_seriallink_options[3] & BIT_2) {
1315 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1316
1317 /* 1G settings */
1318 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1319 emphasis = (ha->fw_seriallink_options[2] &
1320 (BIT_4 | BIT_3)) >> 3;
1321 tx_sens = ha->fw_seriallink_options[0] &
1322 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1323 rx_sens = (ha->fw_seriallink_options[0] &
1324 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1325 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1326 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1327 if (rx_sens == 0x0)
1328 rx_sens = 0x3;
1329 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1330 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1331 ha->fw_options[10] |= BIT_5 |
1332 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1333 (tx_sens & (BIT_1 | BIT_0));
1334
1335 /* 2G settings */
1336 swing = (ha->fw_seriallink_options[2] &
1337 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1338 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1339 tx_sens = ha->fw_seriallink_options[1] &
1340 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1341 rx_sens = (ha->fw_seriallink_options[1] &
1342 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1343 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1344 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1345 if (rx_sens == 0x0)
1346 rx_sens = 0x3;
1347 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1348 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1349 ha->fw_options[11] |= BIT_5 |
1350 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1351 (tx_sens & (BIT_1 | BIT_0));
1352 }
1353
1354 /* FCP2 options. */
1355 /* Return command IOCBs without waiting for an ABTS to complete. */
1356 ha->fw_options[3] |= BIT_13;
1357
1358 /* LED scheme. */
1359 if (ha->flags.enable_led_scheme)
1360 ha->fw_options[2] |= BIT_12;
1361
1362 /* Detect ISP6312. */
1363 if (IS_QLA6312(ha))
1364 ha->fw_options[2] |= BIT_13;
1365
1366 /* Update firmware options. */
1367 qla2x00_set_fw_options(vha, ha->fw_options);
1368 }
1369
1370 void
1371 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1372 {
1373 int rval;
1374 struct qla_hw_data *ha = vha->hw;
1375
1376 /* Update Serial Link options. */
1377 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1378 return;
1379
1380 rval = qla2x00_set_serdes_params(vha,
1381 le16_to_cpu(ha->fw_seriallink_options24[1]),
1382 le16_to_cpu(ha->fw_seriallink_options24[2]),
1383 le16_to_cpu(ha->fw_seriallink_options24[3]));
1384 if (rval != QLA_SUCCESS) {
1385 qla_printk(KERN_WARNING, ha,
1386 "Unable to update Serial Link options (%x).\n", rval);
1387 }
1388 }
1389
1390 void
1391 qla2x00_config_rings(struct scsi_qla_host *vha)
1392 {
1393 struct qla_hw_data *ha = vha->hw;
1394 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1395 struct req_que *req = ha->req_q_map[0];
1396 struct rsp_que *rsp = ha->rsp_q_map[0];
1397
1398 /* Setup ring parameters in initialization control block. */
1399 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1400 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1401 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1402 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1403 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1404 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1405 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1406 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1407
1408 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1409 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1410 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1411 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1412 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1413 }
1414
1415 void
1416 qla24xx_config_rings(struct scsi_qla_host *vha)
1417 {
1418 struct qla_hw_data *ha = vha->hw;
1419 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1420 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1421 struct qla_msix_entry *msix;
1422 struct init_cb_24xx *icb;
1423 uint16_t rid = 0;
1424 struct req_que *req = ha->req_q_map[0];
1425 struct rsp_que *rsp = ha->rsp_q_map[0];
1426
1427 /* Setup ring parameters in initialization control block. */
1428 icb = (struct init_cb_24xx *)ha->init_cb;
1429 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1430 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1431 icb->request_q_length = cpu_to_le16(req->length);
1432 icb->response_q_length = cpu_to_le16(rsp->length);
1433 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1434 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1435 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1436 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1437
1438 if (ha->mqenable) {
1439 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1440 icb->rid = __constant_cpu_to_le16(rid);
1441 if (ha->flags.msix_enabled) {
1442 msix = &ha->msix_entries[1];
1443 DEBUG2_17(printk(KERN_INFO
1444 "Registering vector 0x%x for base que\n", msix->entry));
1445 icb->msix = cpu_to_le16(msix->entry);
1446 }
1447 /* Use alternate PCI bus number */
1448 if (MSB(rid))
1449 icb->firmware_options_2 |=
1450 __constant_cpu_to_le32(BIT_19);
1451 /* Use alternate PCI devfn */
1452 if (LSB(rid))
1453 icb->firmware_options_2 |=
1454 __constant_cpu_to_le32(BIT_18);
1455
1456 /* Use Disable MSIX Handshake mode for capable adapters */
1457 if (IS_MSIX_NACK_CAPABLE(ha)) {
1458 icb->firmware_options_2 &=
1459 __constant_cpu_to_le32(~BIT_22);
1460 ha->flags.disable_msix_handshake = 1;
1461 qla_printk(KERN_INFO, ha,
1462 "MSIX Handshake Disable Mode turned on\n");
1463 } else {
1464 icb->firmware_options_2 |=
1465 __constant_cpu_to_le32(BIT_22);
1466 }
1467 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1468
1469 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1470 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1471 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1472 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1473 } else {
1474 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1475 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1476 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1477 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1478 }
1479 /* PCI posting */
1480 RD_REG_DWORD(&ioreg->hccr);
1481 }
1482
1483 /**
1484 * qla2x00_init_rings() - Initializes firmware.
1485 * @ha: HA context
1486 *
1487 * Beginning of request ring has initialization control block already built
1488 * by nvram config routine.
1489 *
1490 * Returns 0 on success.
1491 */
1492 static int
1493 qla2x00_init_rings(scsi_qla_host_t *vha)
1494 {
1495 int rval;
1496 unsigned long flags = 0;
1497 int cnt, que;
1498 struct qla_hw_data *ha = vha->hw;
1499 struct req_que *req;
1500 struct rsp_que *rsp;
1501 struct scsi_qla_host *vp;
1502 struct mid_init_cb_24xx *mid_init_cb =
1503 (struct mid_init_cb_24xx *) ha->init_cb;
1504
1505 spin_lock_irqsave(&ha->hardware_lock, flags);
1506
1507 /* Clear outstanding commands array. */
1508 for (que = 0; que < ha->max_req_queues; que++) {
1509 req = ha->req_q_map[que];
1510 if (!req)
1511 continue;
1512 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1513 req->outstanding_cmds[cnt] = NULL;
1514
1515 req->current_outstanding_cmd = 1;
1516
1517 /* Initialize firmware. */
1518 req->ring_ptr = req->ring;
1519 req->ring_index = 0;
1520 req->cnt = req->length;
1521 }
1522
1523 for (que = 0; que < ha->max_rsp_queues; que++) {
1524 rsp = ha->rsp_q_map[que];
1525 if (!rsp)
1526 continue;
1527 /* Initialize response queue entries */
1528 qla2x00_init_response_q_entries(rsp);
1529 }
1530
1531 /* Clear RSCN queue. */
1532 list_for_each_entry(vp, &ha->vp_list, list) {
1533 vp->rscn_in_ptr = 0;
1534 vp->rscn_out_ptr = 0;
1535 }
1536 ha->isp_ops->config_rings(vha);
1537
1538 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1539
1540 /* Update any ISP specific firmware options before initialization. */
1541 ha->isp_ops->update_fw_options(vha);
1542
1543 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1544
1545 if (ha->flags.npiv_supported) {
1546 if (ha->operating_mode == LOOP)
1547 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1548 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1549 }
1550
1551 if (IS_FWI2_CAPABLE(ha)) {
1552 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1553 mid_init_cb->init_cb.execution_throttle =
1554 cpu_to_le16(ha->fw_xcb_count);
1555 }
1556
1557 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1558 if (rval) {
1559 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1560 vha->host_no));
1561 } else {
1562 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1563 vha->host_no));
1564 }
1565
1566 return (rval);
1567 }
1568
1569 /**
1570 * qla2x00_fw_ready() - Waits for firmware ready.
1571 * @ha: HA context
1572 *
1573 * Returns 0 on success.
1574 */
1575 static int
1576 qla2x00_fw_ready(scsi_qla_host_t *vha)
1577 {
1578 int rval;
1579 unsigned long wtime, mtime, cs84xx_time;
1580 uint16_t min_wait; /* Minimum wait time if loop is down */
1581 uint16_t wait_time; /* Wait time if loop is coming ready */
1582 uint16_t state[5];
1583 struct qla_hw_data *ha = vha->hw;
1584
1585 rval = QLA_SUCCESS;
1586
1587 /* 20 seconds for loop down. */
1588 min_wait = 20;
1589
1590 /*
1591 * Firmware should take at most one RATOV to login, plus 5 seconds for
1592 * our own processing.
1593 */
1594 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1595 wait_time = min_wait;
1596 }
1597
1598 /* Min wait time if loop down */
1599 mtime = jiffies + (min_wait * HZ);
1600
1601 /* wait time before firmware ready */
1602 wtime = jiffies + (wait_time * HZ);
1603
1604 /* Wait for ISP to finish LIP */
1605 if (!vha->flags.init_done)
1606 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1607
1608 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1609 vha->host_no));
1610
1611 do {
1612 rval = qla2x00_get_firmware_state(vha, state);
1613 if (rval == QLA_SUCCESS) {
1614 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1615 vha->device_flags &= ~DFLG_NO_CABLE;
1616 }
1617 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1618 DEBUG16(printk("scsi(%ld): fw_state=%x "
1619 "84xx=%x.\n", vha->host_no, state[0],
1620 state[2]));
1621 if ((state[2] & FSTATE_LOGGED_IN) &&
1622 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1623 DEBUG16(printk("scsi(%ld): Sending "
1624 "verify iocb.\n", vha->host_no));
1625
1626 cs84xx_time = jiffies;
1627 rval = qla84xx_init_chip(vha);
1628 if (rval != QLA_SUCCESS)
1629 break;
1630
1631 /* Add time taken to initialize. */
1632 cs84xx_time = jiffies - cs84xx_time;
1633 wtime += cs84xx_time;
1634 mtime += cs84xx_time;
1635 DEBUG16(printk("scsi(%ld): Increasing "
1636 "wait time by %ld. New time %ld\n",
1637 vha->host_no, cs84xx_time, wtime));
1638 }
1639 } else if (state[0] == FSTATE_READY) {
1640 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1641 vha->host_no));
1642
1643 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1644 &ha->login_timeout, &ha->r_a_tov);
1645
1646 rval = QLA_SUCCESS;
1647 break;
1648 }
1649
1650 rval = QLA_FUNCTION_FAILED;
1651
1652 if (atomic_read(&vha->loop_down_timer) &&
1653 state[0] != FSTATE_READY) {
1654 /* Loop down. Timeout on min_wait for states
1655 * other than Wait for Login.
1656 */
1657 if (time_after_eq(jiffies, mtime)) {
1658 qla_printk(KERN_INFO, ha,
1659 "Cable is unplugged...\n");
1660
1661 vha->device_flags |= DFLG_NO_CABLE;
1662 break;
1663 }
1664 }
1665 } else {
1666 /* Mailbox cmd failed. Timeout on min_wait. */
1667 if (time_after_eq(jiffies, mtime))
1668 break;
1669 }
1670
1671 if (time_after_eq(jiffies, wtime))
1672 break;
1673
1674 /* Delay for a while */
1675 msleep(500);
1676
1677 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1678 vha->host_no, state[0], jiffies));
1679 } while (1);
1680
1681 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1682 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1683 jiffies));
1684
1685 if (rval) {
1686 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1687 vha->host_no));
1688 }
1689
1690 return (rval);
1691 }
1692
1693 /*
1694 * qla2x00_configure_hba
1695 * Setup adapter context.
1696 *
1697 * Input:
1698 * ha = adapter state pointer.
1699 *
1700 * Returns:
1701 * 0 = success
1702 *
1703 * Context:
1704 * Kernel context.
1705 */
1706 static int
1707 qla2x00_configure_hba(scsi_qla_host_t *vha)
1708 {
1709 int rval;
1710 uint16_t loop_id;
1711 uint16_t topo;
1712 uint16_t sw_cap;
1713 uint8_t al_pa;
1714 uint8_t area;
1715 uint8_t domain;
1716 char connect_type[22];
1717 struct qla_hw_data *ha = vha->hw;
1718
1719 /* Get host addresses. */
1720 rval = qla2x00_get_adapter_id(vha,
1721 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1722 if (rval != QLA_SUCCESS) {
1723 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1724 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1725 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1726 __func__, vha->host_no));
1727 } else {
1728 qla_printk(KERN_WARNING, ha,
1729 "ERROR -- Unable to get host loop ID.\n");
1730 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1731 }
1732 return (rval);
1733 }
1734
1735 if (topo == 4) {
1736 qla_printk(KERN_INFO, ha,
1737 "Cannot get topology - retrying.\n");
1738 return (QLA_FUNCTION_FAILED);
1739 }
1740
1741 vha->loop_id = loop_id;
1742
1743 /* initialize */
1744 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1745 ha->operating_mode = LOOP;
1746 ha->switch_cap = 0;
1747
1748 switch (topo) {
1749 case 0:
1750 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1751 vha->host_no));
1752 ha->current_topology = ISP_CFG_NL;
1753 strcpy(connect_type, "(Loop)");
1754 break;
1755
1756 case 1:
1757 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1758 vha->host_no));
1759 ha->switch_cap = sw_cap;
1760 ha->current_topology = ISP_CFG_FL;
1761 strcpy(connect_type, "(FL_Port)");
1762 break;
1763
1764 case 2:
1765 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1766 vha->host_no));
1767 ha->operating_mode = P2P;
1768 ha->current_topology = ISP_CFG_N;
1769 strcpy(connect_type, "(N_Port-to-N_Port)");
1770 break;
1771
1772 case 3:
1773 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1774 vha->host_no));
1775 ha->switch_cap = sw_cap;
1776 ha->operating_mode = P2P;
1777 ha->current_topology = ISP_CFG_F;
1778 strcpy(connect_type, "(F_Port)");
1779 break;
1780
1781 default:
1782 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1783 "Using NL.\n",
1784 vha->host_no, topo));
1785 ha->current_topology = ISP_CFG_NL;
1786 strcpy(connect_type, "(Loop)");
1787 break;
1788 }
1789
1790 /* Save Host port and loop ID. */
1791 /* byte order - Big Endian */
1792 vha->d_id.b.domain = domain;
1793 vha->d_id.b.area = area;
1794 vha->d_id.b.al_pa = al_pa;
1795
1796 if (!vha->flags.init_done)
1797 qla_printk(KERN_INFO, ha,
1798 "Topology - %s, Host Loop address 0x%x\n",
1799 connect_type, vha->loop_id);
1800
1801 if (rval) {
1802 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1803 } else {
1804 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1805 }
1806
1807 return(rval);
1808 }
1809
1810 static inline void
1811 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1812 char *def)
1813 {
1814 char *st, *en;
1815 uint16_t index;
1816 struct qla_hw_data *ha = vha->hw;
1817 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1818 !IS_QLA81XX(ha);
1819
1820 if (memcmp(model, BINZERO, len) != 0) {
1821 strncpy(ha->model_number, model, len);
1822 st = en = ha->model_number;
1823 en += len - 1;
1824 while (en > st) {
1825 if (*en != 0x20 && *en != 0x00)
1826 break;
1827 *en-- = '\0';
1828 }
1829
1830 index = (ha->pdev->subsystem_device & 0xff);
1831 if (use_tbl &&
1832 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1833 index < QLA_MODEL_NAMES)
1834 strncpy(ha->model_desc,
1835 qla2x00_model_name[index * 2 + 1],
1836 sizeof(ha->model_desc) - 1);
1837 } else {
1838 index = (ha->pdev->subsystem_device & 0xff);
1839 if (use_tbl &&
1840 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1841 index < QLA_MODEL_NAMES) {
1842 strcpy(ha->model_number,
1843 qla2x00_model_name[index * 2]);
1844 strncpy(ha->model_desc,
1845 qla2x00_model_name[index * 2 + 1],
1846 sizeof(ha->model_desc) - 1);
1847 } else {
1848 strcpy(ha->model_number, def);
1849 }
1850 }
1851 if (IS_FWI2_CAPABLE(ha))
1852 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1853 sizeof(ha->model_desc));
1854 }
1855
1856 /* On sparc systems, obtain port and node WWN from firmware
1857 * properties.
1858 */
1859 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1860 {
1861 #ifdef CONFIG_SPARC
1862 struct qla_hw_data *ha = vha->hw;
1863 struct pci_dev *pdev = ha->pdev;
1864 struct device_node *dp = pci_device_to_OF_node(pdev);
1865 const u8 *val;
1866 int len;
1867
1868 val = of_get_property(dp, "port-wwn", &len);
1869 if (val && len >= WWN_SIZE)
1870 memcpy(nv->port_name, val, WWN_SIZE);
1871
1872 val = of_get_property(dp, "node-wwn", &len);
1873 if (val && len >= WWN_SIZE)
1874 memcpy(nv->node_name, val, WWN_SIZE);
1875 #endif
1876 }
1877
1878 /*
1879 * NVRAM configuration for ISP 2xxx
1880 *
1881 * Input:
1882 * ha = adapter block pointer.
1883 *
1884 * Output:
1885 * initialization control block in response_ring
1886 * host adapters parameters in host adapter block
1887 *
1888 * Returns:
1889 * 0 = success.
1890 */
1891 int
1892 qla2x00_nvram_config(scsi_qla_host_t *vha)
1893 {
1894 int rval;
1895 uint8_t chksum = 0;
1896 uint16_t cnt;
1897 uint8_t *dptr1, *dptr2;
1898 struct qla_hw_data *ha = vha->hw;
1899 init_cb_t *icb = ha->init_cb;
1900 nvram_t *nv = ha->nvram;
1901 uint8_t *ptr = ha->nvram;
1902 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1903
1904 rval = QLA_SUCCESS;
1905
1906 /* Determine NVRAM starting address. */
1907 ha->nvram_size = sizeof(nvram_t);
1908 ha->nvram_base = 0;
1909 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1910 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1911 ha->nvram_base = 0x80;
1912
1913 /* Get NVRAM data and calculate checksum. */
1914 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1915 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1916 chksum += *ptr++;
1917
1918 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1919 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1920
1921 /* Bad NVRAM data, set defaults parameters. */
1922 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1923 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1924 /* Reset NVRAM data. */
1925 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1926 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1927 nv->nvram_version);
1928 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1929 "invalid -- WWPN) defaults.\n");
1930
1931 /*
1932 * Set default initialization control block.
1933 */
1934 memset(nv, 0, ha->nvram_size);
1935 nv->parameter_block_version = ICB_VERSION;
1936
1937 if (IS_QLA23XX(ha)) {
1938 nv->firmware_options[0] = BIT_2 | BIT_1;
1939 nv->firmware_options[1] = BIT_7 | BIT_5;
1940 nv->add_firmware_options[0] = BIT_5;
1941 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1942 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1943 nv->special_options[1] = BIT_7;
1944 } else if (IS_QLA2200(ha)) {
1945 nv->firmware_options[0] = BIT_2 | BIT_1;
1946 nv->firmware_options[1] = BIT_7 | BIT_5;
1947 nv->add_firmware_options[0] = BIT_5;
1948 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1949 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1950 } else if (IS_QLA2100(ha)) {
1951 nv->firmware_options[0] = BIT_3 | BIT_1;
1952 nv->firmware_options[1] = BIT_5;
1953 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1954 }
1955
1956 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1957 nv->execution_throttle = __constant_cpu_to_le16(16);
1958 nv->retry_count = 8;
1959 nv->retry_delay = 1;
1960
1961 nv->port_name[0] = 33;
1962 nv->port_name[3] = 224;
1963 nv->port_name[4] = 139;
1964
1965 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1966
1967 nv->login_timeout = 4;
1968
1969 /*
1970 * Set default host adapter parameters
1971 */
1972 nv->host_p[1] = BIT_2;
1973 nv->reset_delay = 5;
1974 nv->port_down_retry_count = 8;
1975 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1976 nv->link_down_timeout = 60;
1977
1978 rval = 1;
1979 }
1980
1981 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1982 /*
1983 * The SN2 does not provide BIOS emulation which means you can't change
1984 * potentially bogus BIOS settings. Force the use of default settings
1985 * for link rate and frame size. Hope that the rest of the settings
1986 * are valid.
1987 */
1988 if (ia64_platform_is("sn2")) {
1989 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1990 if (IS_QLA23XX(ha))
1991 nv->special_options[1] = BIT_7;
1992 }
1993 #endif
1994
1995 /* Reset Initialization control block */
1996 memset(icb, 0, ha->init_cb_size);
1997
1998 /*
1999 * Setup driver NVRAM options.
2000 */
2001 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2002 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2003 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2004 nv->firmware_options[1] &= ~BIT_4;
2005
2006 if (IS_QLA23XX(ha)) {
2007 nv->firmware_options[0] |= BIT_2;
2008 nv->firmware_options[0] &= ~BIT_3;
2009 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2010
2011 if (IS_QLA2300(ha)) {
2012 if (ha->fb_rev == FPM_2310) {
2013 strcpy(ha->model_number, "QLA2310");
2014 } else {
2015 strcpy(ha->model_number, "QLA2300");
2016 }
2017 } else {
2018 qla2x00_set_model_info(vha, nv->model_number,
2019 sizeof(nv->model_number), "QLA23xx");
2020 }
2021 } else if (IS_QLA2200(ha)) {
2022 nv->firmware_options[0] |= BIT_2;
2023 /*
2024 * 'Point-to-point preferred, else loop' is not a safe
2025 * connection mode setting.
2026 */
2027 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2028 (BIT_5 | BIT_4)) {
2029 /* Force 'loop preferred, else point-to-point'. */
2030 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2031 nv->add_firmware_options[0] |= BIT_5;
2032 }
2033 strcpy(ha->model_number, "QLA22xx");
2034 } else /*if (IS_QLA2100(ha))*/ {
2035 strcpy(ha->model_number, "QLA2100");
2036 }
2037
2038 /*
2039 * Copy over NVRAM RISC parameter block to initialization control block.
2040 */
2041 dptr1 = (uint8_t *)icb;
2042 dptr2 = (uint8_t *)&nv->parameter_block_version;
2043 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2044 while (cnt--)
2045 *dptr1++ = *dptr2++;
2046
2047 /* Copy 2nd half. */
2048 dptr1 = (uint8_t *)icb->add_firmware_options;
2049 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2050 while (cnt--)
2051 *dptr1++ = *dptr2++;
2052
2053 /* Use alternate WWN? */
2054 if (nv->host_p[1] & BIT_7) {
2055 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2056 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2057 }
2058
2059 /* Prepare nodename */
2060 if ((icb->firmware_options[1] & BIT_6) == 0) {
2061 /*
2062 * Firmware will apply the following mask if the nodename was
2063 * not provided.
2064 */
2065 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2066 icb->node_name[0] &= 0xF0;
2067 }
2068
2069 /*
2070 * Set host adapter parameters.
2071 */
2072 if (nv->host_p[0] & BIT_7)
2073 ql2xextended_error_logging = 1;
2074 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2075 /* Always load RISC code on non ISP2[12]00 chips. */
2076 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2077 ha->flags.disable_risc_code_load = 0;
2078 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2079 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2080 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2081 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2082 ha->flags.disable_serdes = 0;
2083
2084 ha->operating_mode =
2085 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2086
2087 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2088 sizeof(ha->fw_seriallink_options));
2089
2090 /* save HBA serial number */
2091 ha->serial0 = icb->port_name[5];
2092 ha->serial1 = icb->port_name[6];
2093 ha->serial2 = icb->port_name[7];
2094 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2095 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2096
2097 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2098
2099 ha->retry_count = nv->retry_count;
2100
2101 /* Set minimum login_timeout to 4 seconds. */
2102 if (nv->login_timeout < ql2xlogintimeout)
2103 nv->login_timeout = ql2xlogintimeout;
2104 if (nv->login_timeout < 4)
2105 nv->login_timeout = 4;
2106 ha->login_timeout = nv->login_timeout;
2107 icb->login_timeout = nv->login_timeout;
2108
2109 /* Set minimum RATOV to 100 tenths of a second. */
2110 ha->r_a_tov = 100;
2111
2112 ha->loop_reset_delay = nv->reset_delay;
2113
2114 /* Link Down Timeout = 0:
2115 *
2116 * When Port Down timer expires we will start returning
2117 * I/O's to OS with "DID_NO_CONNECT".
2118 *
2119 * Link Down Timeout != 0:
2120 *
2121 * The driver waits for the link to come up after link down
2122 * before returning I/Os to OS with "DID_NO_CONNECT".
2123 */
2124 if (nv->link_down_timeout == 0) {
2125 ha->loop_down_abort_time =
2126 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2127 } else {
2128 ha->link_down_timeout = nv->link_down_timeout;
2129 ha->loop_down_abort_time =
2130 (LOOP_DOWN_TIME - ha->link_down_timeout);
2131 }
2132
2133 /*
2134 * Need enough time to try and get the port back.
2135 */
2136 ha->port_down_retry_count = nv->port_down_retry_count;
2137 if (qlport_down_retry)
2138 ha->port_down_retry_count = qlport_down_retry;
2139 /* Set login_retry_count */
2140 ha->login_retry_count = nv->retry_count;
2141 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2142 ha->port_down_retry_count > 3)
2143 ha->login_retry_count = ha->port_down_retry_count;
2144 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2145 ha->login_retry_count = ha->port_down_retry_count;
2146 if (ql2xloginretrycount)
2147 ha->login_retry_count = ql2xloginretrycount;
2148
2149 icb->lun_enables = __constant_cpu_to_le16(0);
2150 icb->command_resource_count = 0;
2151 icb->immediate_notify_resource_count = 0;
2152 icb->timeout = __constant_cpu_to_le16(0);
2153
2154 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2155 /* Enable RIO */
2156 icb->firmware_options[0] &= ~BIT_3;
2157 icb->add_firmware_options[0] &=
2158 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2159 icb->add_firmware_options[0] |= BIT_2;
2160 icb->response_accumulation_timer = 3;
2161 icb->interrupt_delay_timer = 5;
2162
2163 vha->flags.process_response_queue = 1;
2164 } else {
2165 /* Enable ZIO. */
2166 if (!vha->flags.init_done) {
2167 ha->zio_mode = icb->add_firmware_options[0] &
2168 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2169 ha->zio_timer = icb->interrupt_delay_timer ?
2170 icb->interrupt_delay_timer: 2;
2171 }
2172 icb->add_firmware_options[0] &=
2173 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2174 vha->flags.process_response_queue = 0;
2175 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2176 ha->zio_mode = QLA_ZIO_MODE_6;
2177
2178 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2179 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2180 ha->zio_timer * 100));
2181 qla_printk(KERN_INFO, ha,
2182 "ZIO mode %d enabled; timer delay (%d us).\n",
2183 ha->zio_mode, ha->zio_timer * 100);
2184
2185 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2186 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2187 vha->flags.process_response_queue = 1;
2188 }
2189 }
2190
2191 if (rval) {
2192 DEBUG2_3(printk(KERN_WARNING
2193 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2194 }
2195 return (rval);
2196 }
2197
2198 static void
2199 qla2x00_rport_del(void *data)
2200 {
2201 fc_port_t *fcport = data;
2202 struct fc_rport *rport;
2203
2204 spin_lock_irq(fcport->vha->host->host_lock);
2205 rport = fcport->drport ? fcport->drport: fcport->rport;
2206 fcport->drport = NULL;
2207 spin_unlock_irq(fcport->vha->host->host_lock);
2208 if (rport)
2209 fc_remote_port_delete(rport);
2210 }
2211
2212 /**
2213 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2214 * @ha: HA context
2215 * @flags: allocation flags
2216 *
2217 * Returns a pointer to the allocated fcport, or NULL, if none available.
2218 */
2219 static fc_port_t *
2220 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2221 {
2222 fc_port_t *fcport;
2223
2224 fcport = kzalloc(sizeof(fc_port_t), flags);
2225 if (!fcport)
2226 return NULL;
2227
2228 /* Setup fcport template structure. */
2229 fcport->vha = vha;
2230 fcport->vp_idx = vha->vp_idx;
2231 fcport->port_type = FCT_UNKNOWN;
2232 fcport->loop_id = FC_NO_LOOP_ID;
2233 atomic_set(&fcport->state, FCS_UNCONFIGURED);
2234 fcport->supported_classes = FC_COS_UNSPECIFIED;
2235
2236 return fcport;
2237 }
2238
2239 /*
2240 * qla2x00_configure_loop
2241 * Updates Fibre Channel Device Database with what is actually on loop.
2242 *
2243 * Input:
2244 * ha = adapter block pointer.
2245 *
2246 * Returns:
2247 * 0 = success.
2248 * 1 = error.
2249 * 2 = database was full and device was not configured.
2250 */
2251 static int
2252 qla2x00_configure_loop(scsi_qla_host_t *vha)
2253 {
2254 int rval;
2255 unsigned long flags, save_flags;
2256 struct qla_hw_data *ha = vha->hw;
2257 rval = QLA_SUCCESS;
2258
2259 /* Get Initiator ID */
2260 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2261 rval = qla2x00_configure_hba(vha);
2262 if (rval != QLA_SUCCESS) {
2263 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2264 vha->host_no));
2265 return (rval);
2266 }
2267 }
2268
2269 save_flags = flags = vha->dpc_flags;
2270 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2271 vha->host_no, flags));
2272
2273 /*
2274 * If we have both an RSCN and PORT UPDATE pending then handle them
2275 * both at the same time.
2276 */
2277 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2278 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2279
2280 qla2x00_get_data_rate(vha);
2281
2282 /* Determine what we need to do */
2283 if (ha->current_topology == ISP_CFG_FL &&
2284 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2285
2286 vha->flags.rscn_queue_overflow = 1;
2287 set_bit(RSCN_UPDATE, &flags);
2288
2289 } else if (ha->current_topology == ISP_CFG_F &&
2290 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2291
2292 vha->flags.rscn_queue_overflow = 1;
2293 set_bit(RSCN_UPDATE, &flags);
2294 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2295
2296 } else if (ha->current_topology == ISP_CFG_N) {
2297 clear_bit(RSCN_UPDATE, &flags);
2298
2299 } else if (!vha->flags.online ||
2300 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2301
2302 vha->flags.rscn_queue_overflow = 1;
2303 set_bit(RSCN_UPDATE, &flags);
2304 set_bit(LOCAL_LOOP_UPDATE, &flags);
2305 }
2306
2307 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2308 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2309 rval = QLA_FUNCTION_FAILED;
2310 else
2311 rval = qla2x00_configure_local_loop(vha);
2312 }
2313
2314 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2315 if (LOOP_TRANSITION(vha))
2316 rval = QLA_FUNCTION_FAILED;
2317 else
2318 rval = qla2x00_configure_fabric(vha);
2319 }
2320
2321 if (rval == QLA_SUCCESS) {
2322 if (atomic_read(&vha->loop_down_timer) ||
2323 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2324 rval = QLA_FUNCTION_FAILED;
2325 } else {
2326 atomic_set(&vha->loop_state, LOOP_READY);
2327
2328 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2329 }
2330 }
2331
2332 if (rval) {
2333 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2334 __func__, vha->host_no));
2335 } else {
2336 DEBUG3(printk("%s: exiting normally\n", __func__));
2337 }
2338
2339 /* Restore state if a resync event occurred during processing */
2340 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2341 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2342 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2343 if (test_bit(RSCN_UPDATE, &save_flags)) {
2344 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2345 vha->flags.rscn_queue_overflow = 1;
2346 }
2347 }
2348
2349 return (rval);
2350 }
2351
2352
2353
2354 /*
2355 * qla2x00_configure_local_loop
2356 * Updates Fibre Channel Device Database with local loop devices.
2357 *
2358 * Input:
2359 * ha = adapter block pointer.
2360 *
2361 * Returns:
2362 * 0 = success.
2363 */
2364 static int
2365 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2366 {
2367 int rval, rval2;
2368 int found_devs;
2369 int found;
2370 fc_port_t *fcport, *new_fcport;
2371
2372 uint16_t index;
2373 uint16_t entries;
2374 char *id_iter;
2375 uint16_t loop_id;
2376 uint8_t domain, area, al_pa;
2377 struct qla_hw_data *ha = vha->hw;
2378
2379 found_devs = 0;
2380 new_fcport = NULL;
2381 entries = MAX_FIBRE_DEVICES;
2382
2383 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2384 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2385
2386 /* Get list of logged in devices. */
2387 memset(ha->gid_list, 0, GID_LIST_SIZE);
2388 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2389 &entries);
2390 if (rval != QLA_SUCCESS)
2391 goto cleanup_allocation;
2392
2393 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2394 vha->host_no, entries));
2395 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2396 entries * sizeof(struct gid_list_info)));
2397
2398 /* Allocate temporary fcport for any new fcports discovered. */
2399 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2400 if (new_fcport == NULL) {
2401 rval = QLA_MEMORY_ALLOC_FAILED;
2402 goto cleanup_allocation;
2403 }
2404 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2405
2406 /*
2407 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2408 */
2409 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2410 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2411 fcport->port_type != FCT_BROADCAST &&
2412 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2413
2414 DEBUG(printk("scsi(%ld): Marking port lost, "
2415 "loop_id=0x%04x\n",
2416 vha->host_no, fcport->loop_id));
2417
2418 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2419 }
2420 }
2421
2422 /* Add devices to port list. */
2423 id_iter = (char *)ha->gid_list;
2424 for (index = 0; index < entries; index++) {
2425 domain = ((struct gid_list_info *)id_iter)->domain;
2426 area = ((struct gid_list_info *)id_iter)->area;
2427 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2428 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2429 loop_id = (uint16_t)
2430 ((struct gid_list_info *)id_iter)->loop_id_2100;
2431 else
2432 loop_id = le16_to_cpu(
2433 ((struct gid_list_info *)id_iter)->loop_id);
2434 id_iter += ha->gid_list_info_size;
2435
2436 /* Bypass reserved domain fields. */
2437 if ((domain & 0xf0) == 0xf0)
2438 continue;
2439
2440 /* Bypass if not same domain and area of adapter. */
2441 if (area && domain &&
2442 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2443 continue;
2444
2445 /* Bypass invalid local loop ID. */
2446 if (loop_id > LAST_LOCAL_LOOP_ID)
2447 continue;
2448
2449 /* Fill in member data. */
2450 new_fcport->d_id.b.domain = domain;
2451 new_fcport->d_id.b.area = area;
2452 new_fcport->d_id.b.al_pa = al_pa;
2453 new_fcport->loop_id = loop_id;
2454 new_fcport->vp_idx = vha->vp_idx;
2455 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2456 if (rval2 != QLA_SUCCESS) {
2457 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2458 "information -- get_port_database=%x, "
2459 "loop_id=0x%04x\n",
2460 vha->host_no, rval2, new_fcport->loop_id));
2461 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2462 vha->host_no));
2463 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2464 continue;
2465 }
2466
2467 /* Check for matching device in port list. */
2468 found = 0;
2469 fcport = NULL;
2470 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2471 if (memcmp(new_fcport->port_name, fcport->port_name,
2472 WWN_SIZE))
2473 continue;
2474
2475 fcport->flags &= ~FCF_FABRIC_DEVICE;
2476 fcport->loop_id = new_fcport->loop_id;
2477 fcport->port_type = new_fcport->port_type;
2478 fcport->d_id.b24 = new_fcport->d_id.b24;
2479 memcpy(fcport->node_name, new_fcport->node_name,
2480 WWN_SIZE);
2481
2482 found++;
2483 break;
2484 }
2485
2486 if (!found) {
2487 /* New device, add to fcports list. */
2488 if (vha->vp_idx) {
2489 new_fcport->vha = vha;
2490 new_fcport->vp_idx = vha->vp_idx;
2491 }
2492 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2493
2494 /* Allocate a new replacement fcport. */
2495 fcport = new_fcport;
2496 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2497 if (new_fcport == NULL) {
2498 rval = QLA_MEMORY_ALLOC_FAILED;
2499 goto cleanup_allocation;
2500 }
2501 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2502 }
2503
2504 /* Base iIDMA settings on HBA port speed. */
2505 fcport->fp_speed = ha->link_data_rate;
2506
2507 qla2x00_update_fcport(vha, fcport);
2508
2509 found_devs++;
2510 }
2511
2512 cleanup_allocation:
2513 kfree(new_fcport);
2514
2515 if (rval != QLA_SUCCESS) {
2516 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2517 "rval=%x\n", vha->host_no, rval));
2518 }
2519
2520 return (rval);
2521 }
2522
2523 static void
2524 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2525 {
2526 #define LS_UNKNOWN 2
2527 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2528 char *link_speed;
2529 int rval;
2530 uint16_t mb[4];
2531 struct qla_hw_data *ha = vha->hw;
2532
2533 if (!IS_IIDMA_CAPABLE(ha))
2534 return;
2535
2536 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2537 fcport->fp_speed > ha->link_data_rate)
2538 return;
2539
2540 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2541 mb);
2542 if (rval != QLA_SUCCESS) {
2543 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2544 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2545 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2546 fcport->port_name[2], fcport->port_name[3],
2547 fcport->port_name[4], fcport->port_name[5],
2548 fcport->port_name[6], fcport->port_name[7], rval,
2549 fcport->fp_speed, mb[0], mb[1]));
2550 } else {
2551 link_speed = link_speeds[LS_UNKNOWN];
2552 if (fcport->fp_speed < 5)
2553 link_speed = link_speeds[fcport->fp_speed];
2554 else if (fcport->fp_speed == 0x13)
2555 link_speed = link_speeds[5];
2556 DEBUG2(qla_printk(KERN_INFO, ha,
2557 "iIDMA adjusted to %s GB/s on "
2558 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2559 link_speed, fcport->port_name[0],
2560 fcport->port_name[1], fcport->port_name[2],
2561 fcport->port_name[3], fcport->port_name[4],
2562 fcport->port_name[5], fcport->port_name[6],
2563 fcport->port_name[7]));
2564 }
2565 }
2566
2567 static void
2568 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2569 {
2570 struct fc_rport_identifiers rport_ids;
2571 struct fc_rport *rport;
2572 struct qla_hw_data *ha = vha->hw;
2573
2574 qla2x00_rport_del(fcport);
2575
2576 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2577 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2578 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2579 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2580 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2581 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2582 if (!rport) {
2583 qla_printk(KERN_WARNING, ha,
2584 "Unable to allocate fc remote port!\n");
2585 return;
2586 }
2587 spin_lock_irq(fcport->vha->host->host_lock);
2588 *((fc_port_t **)rport->dd_data) = fcport;
2589 spin_unlock_irq(fcport->vha->host->host_lock);
2590
2591 rport->supported_classes = fcport->supported_classes;
2592
2593 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2594 if (fcport->port_type == FCT_INITIATOR)
2595 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2596 if (fcport->port_type == FCT_TARGET)
2597 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2598 fc_remote_port_rolechg(rport, rport_ids.roles);
2599 }
2600
2601 /*
2602 * qla2x00_update_fcport
2603 * Updates device on list.
2604 *
2605 * Input:
2606 * ha = adapter block pointer.
2607 * fcport = port structure pointer.
2608 *
2609 * Return:
2610 * 0 - Success
2611 * BIT_0 - error
2612 *
2613 * Context:
2614 * Kernel context.
2615 */
2616 void
2617 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2618 {
2619 struct qla_hw_data *ha = vha->hw;
2620
2621 fcport->vha = vha;
2622 fcport->login_retry = 0;
2623 fcport->port_login_retry_count = ha->port_down_retry_count *
2624 PORT_RETRY_TIME;
2625 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2626 PORT_RETRY_TIME);
2627 fcport->flags &= ~FCF_LOGIN_NEEDED;
2628
2629 qla2x00_iidma_fcport(vha, fcport);
2630
2631 atomic_set(&fcport->state, FCS_ONLINE);
2632
2633 qla2x00_reg_remote_port(vha, fcport);
2634 }
2635
2636 /*
2637 * qla2x00_configure_fabric
2638 * Setup SNS devices with loop ID's.
2639 *
2640 * Input:
2641 * ha = adapter block pointer.
2642 *
2643 * Returns:
2644 * 0 = success.
2645 * BIT_0 = error
2646 */
2647 static int
2648 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2649 {
2650 int rval, rval2;
2651 fc_port_t *fcport, *fcptemp;
2652 uint16_t next_loopid;
2653 uint16_t mb[MAILBOX_REGISTER_COUNT];
2654 uint16_t loop_id;
2655 LIST_HEAD(new_fcports);
2656 struct qla_hw_data *ha = vha->hw;
2657 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2658
2659 /* If FL port exists, then SNS is present */
2660 if (IS_FWI2_CAPABLE(ha))
2661 loop_id = NPH_F_PORT;
2662 else
2663 loop_id = SNS_FL_PORT;
2664 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2665 if (rval != QLA_SUCCESS) {
2666 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2667 "Port\n", vha->host_no));
2668
2669 vha->device_flags &= ~SWITCH_FOUND;
2670 return (QLA_SUCCESS);
2671 }
2672 vha->device_flags |= SWITCH_FOUND;
2673
2674 /* Mark devices that need re-synchronization. */
2675 rval2 = qla2x00_device_resync(vha);
2676 if (rval2 == QLA_RSCNS_HANDLED) {
2677 /* No point doing the scan, just continue. */
2678 return (QLA_SUCCESS);
2679 }
2680 do {
2681 /* FDMI support. */
2682 if (ql2xfdmienable &&
2683 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2684 qla2x00_fdmi_register(vha);
2685
2686 /* Ensure we are logged into the SNS. */
2687 if (IS_FWI2_CAPABLE(ha))
2688 loop_id = NPH_SNS;
2689 else
2690 loop_id = SIMPLE_NAME_SERVER;
2691 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2692 0xfc, mb, BIT_1 | BIT_0);
2693 if (mb[0] != MBS_COMMAND_COMPLETE) {
2694 DEBUG2(qla_printk(KERN_INFO, ha,
2695 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2696 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2697 mb[0], mb[1], mb[2], mb[6], mb[7]));
2698 return (QLA_SUCCESS);
2699 }
2700
2701 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2702 if (qla2x00_rft_id(vha)) {
2703 /* EMPTY */
2704 DEBUG2(printk("scsi(%ld): Register FC-4 "
2705 "TYPE failed.\n", vha->host_no));
2706 }
2707 if (qla2x00_rff_id(vha)) {
2708 /* EMPTY */
2709 DEBUG2(printk("scsi(%ld): Register FC-4 "
2710 "Features failed.\n", vha->host_no));
2711 }
2712 if (qla2x00_rnn_id(vha)) {
2713 /* EMPTY */
2714 DEBUG2(printk("scsi(%ld): Register Node Name "
2715 "failed.\n", vha->host_no));
2716 } else if (qla2x00_rsnn_nn(vha)) {
2717 /* EMPTY */
2718 DEBUG2(printk("scsi(%ld): Register Symbolic "
2719 "Node Name failed.\n", vha->host_no));
2720 }
2721 }
2722
2723 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2724 if (rval != QLA_SUCCESS)
2725 break;
2726
2727 /*
2728 * Logout all previous fabric devices marked lost, except
2729 * FCP2 devices.
2730 */
2731 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2732 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2733 break;
2734
2735 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2736 continue;
2737
2738 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2739 qla2x00_mark_device_lost(vha, fcport,
2740 ql2xplogiabsentdevice, 0);
2741 if (fcport->loop_id != FC_NO_LOOP_ID &&
2742 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
2743 fcport->port_type != FCT_INITIATOR &&
2744 fcport->port_type != FCT_BROADCAST) {
2745 ha->isp_ops->fabric_logout(vha,
2746 fcport->loop_id,
2747 fcport->d_id.b.domain,
2748 fcport->d_id.b.area,
2749 fcport->d_id.b.al_pa);
2750 fcport->loop_id = FC_NO_LOOP_ID;
2751 }
2752 }
2753 }
2754
2755 /* Starting free loop ID. */
2756 next_loopid = ha->min_external_loopid;
2757
2758 /*
2759 * Scan through our port list and login entries that need to be
2760 * logged in.
2761 */
2762 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2763 if (atomic_read(&vha->loop_down_timer) ||
2764 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2765 break;
2766
2767 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2768 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2769 continue;
2770
2771 if (fcport->loop_id == FC_NO_LOOP_ID) {
2772 fcport->loop_id = next_loopid;
2773 rval = qla2x00_find_new_loop_id(
2774 base_vha, fcport);
2775 if (rval != QLA_SUCCESS) {
2776 /* Ran out of IDs to use */
2777 break;
2778 }
2779 }
2780 /* Login and update database */
2781 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2782 }
2783
2784 /* Exit if out of loop IDs. */
2785 if (rval != QLA_SUCCESS) {
2786 break;
2787 }
2788
2789 /*
2790 * Login and add the new devices to our port list.
2791 */
2792 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2793 if (atomic_read(&vha->loop_down_timer) ||
2794 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2795 break;
2796
2797 /* Find a new loop ID to use. */
2798 fcport->loop_id = next_loopid;
2799 rval = qla2x00_find_new_loop_id(base_vha, fcport);
2800 if (rval != QLA_SUCCESS) {
2801 /* Ran out of IDs to use */
2802 break;
2803 }
2804
2805 /* Login and update database */
2806 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2807
2808 if (vha->vp_idx) {
2809 fcport->vha = vha;
2810 fcport->vp_idx = vha->vp_idx;
2811 }
2812 list_move_tail(&fcport->list, &vha->vp_fcports);
2813 }
2814 } while (0);
2815
2816 /* Free all new device structures not processed. */
2817 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2818 list_del(&fcport->list);
2819 kfree(fcport);
2820 }
2821
2822 if (rval) {
2823 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2824 "rval=%d\n", vha->host_no, rval));
2825 }
2826
2827 return (rval);
2828 }
2829
2830
2831 /*
2832 * qla2x00_find_all_fabric_devs
2833 *
2834 * Input:
2835 * ha = adapter block pointer.
2836 * dev = database device entry pointer.
2837 *
2838 * Returns:
2839 * 0 = success.
2840 *
2841 * Context:
2842 * Kernel context.
2843 */
2844 static int
2845 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2846 struct list_head *new_fcports)
2847 {
2848 int rval;
2849 uint16_t loop_id;
2850 fc_port_t *fcport, *new_fcport, *fcptemp;
2851 int found;
2852
2853 sw_info_t *swl;
2854 int swl_idx;
2855 int first_dev, last_dev;
2856 port_id_t wrap, nxt_d_id;
2857 struct qla_hw_data *ha = vha->hw;
2858 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2859 struct scsi_qla_host *tvp;
2860
2861 rval = QLA_SUCCESS;
2862
2863 /* Try GID_PT to get device list, else GAN. */
2864 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2865 if (!swl) {
2866 /*EMPTY*/
2867 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2868 "on GA_NXT\n", vha->host_no));
2869 } else {
2870 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2871 kfree(swl);
2872 swl = NULL;
2873 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2874 kfree(swl);
2875 swl = NULL;
2876 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2877 kfree(swl);
2878 swl = NULL;
2879 } else if (ql2xiidmaenable &&
2880 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2881 qla2x00_gpsc(vha, swl);
2882 }
2883 }
2884 swl_idx = 0;
2885
2886 /* Allocate temporary fcport for any new fcports discovered. */
2887 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2888 if (new_fcport == NULL) {
2889 kfree(swl);
2890 return (QLA_MEMORY_ALLOC_FAILED);
2891 }
2892 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2893 /* Set start port ID scan at adapter ID. */
2894 first_dev = 1;
2895 last_dev = 0;
2896
2897 /* Starting free loop ID. */
2898 loop_id = ha->min_external_loopid;
2899 for (; loop_id <= ha->max_loop_id; loop_id++) {
2900 if (qla2x00_is_reserved_id(vha, loop_id))
2901 continue;
2902
2903 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2904 break;
2905
2906 if (swl != NULL) {
2907 if (last_dev) {
2908 wrap.b24 = new_fcport->d_id.b24;
2909 } else {
2910 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2911 memcpy(new_fcport->node_name,
2912 swl[swl_idx].node_name, WWN_SIZE);
2913 memcpy(new_fcport->port_name,
2914 swl[swl_idx].port_name, WWN_SIZE);
2915 memcpy(new_fcport->fabric_port_name,
2916 swl[swl_idx].fabric_port_name, WWN_SIZE);
2917 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2918
2919 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2920 last_dev = 1;
2921 }
2922 swl_idx++;
2923 }
2924 } else {
2925 /* Send GA_NXT to the switch */
2926 rval = qla2x00_ga_nxt(vha, new_fcport);
2927 if (rval != QLA_SUCCESS) {
2928 qla_printk(KERN_WARNING, ha,
2929 "SNS scan failed -- assuming zero-entry "
2930 "result...\n");
2931 list_for_each_entry_safe(fcport, fcptemp,
2932 new_fcports, list) {
2933 list_del(&fcport->list);
2934 kfree(fcport);
2935 }
2936 rval = QLA_SUCCESS;
2937 break;
2938 }
2939 }
2940
2941 /* If wrap on switch device list, exit. */
2942 if (first_dev) {
2943 wrap.b24 = new_fcport->d_id.b24;
2944 first_dev = 0;
2945 } else if (new_fcport->d_id.b24 == wrap.b24) {
2946 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2947 vha->host_no, new_fcport->d_id.b.domain,
2948 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2949 break;
2950 }
2951
2952 /* Bypass if same physical adapter. */
2953 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2954 continue;
2955
2956 /* Bypass virtual ports of the same host. */
2957 found = 0;
2958 if (ha->num_vhosts) {
2959 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2960 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2961 found = 1;
2962 break;
2963 }
2964 }
2965 if (found)
2966 continue;
2967 }
2968
2969 /* Bypass if same domain and area of adapter. */
2970 if (((new_fcport->d_id.b24 & 0xffff00) ==
2971 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2972 ISP_CFG_FL)
2973 continue;
2974
2975 /* Bypass reserved domain fields. */
2976 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2977 continue;
2978
2979 /* Locate matching device in database. */
2980 found = 0;
2981 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2982 if (memcmp(new_fcport->port_name, fcport->port_name,
2983 WWN_SIZE))
2984 continue;
2985
2986 found++;
2987
2988 /* Update port state. */
2989 memcpy(fcport->fabric_port_name,
2990 new_fcport->fabric_port_name, WWN_SIZE);
2991 fcport->fp_speed = new_fcport->fp_speed;
2992
2993 /*
2994 * If address the same and state FCS_ONLINE, nothing
2995 * changed.
2996 */
2997 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2998 atomic_read(&fcport->state) == FCS_ONLINE) {
2999 break;
3000 }
3001
3002 /*
3003 * If device was not a fabric device before.
3004 */
3005 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3006 fcport->d_id.b24 = new_fcport->d_id.b24;
3007 fcport->loop_id = FC_NO_LOOP_ID;
3008 fcport->flags |= (FCF_FABRIC_DEVICE |
3009 FCF_LOGIN_NEEDED);
3010 break;
3011 }
3012
3013 /*
3014 * Port ID changed or device was marked to be updated;
3015 * Log it out if still logged in and mark it for
3016 * relogin later.
3017 */
3018 fcport->d_id.b24 = new_fcport->d_id.b24;
3019 fcport->flags |= FCF_LOGIN_NEEDED;
3020 if (fcport->loop_id != FC_NO_LOOP_ID &&
3021 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3022 fcport->port_type != FCT_INITIATOR &&
3023 fcport->port_type != FCT_BROADCAST) {
3024 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3025 fcport->d_id.b.domain, fcport->d_id.b.area,
3026 fcport->d_id.b.al_pa);
3027 fcport->loop_id = FC_NO_LOOP_ID;
3028 }
3029
3030 break;
3031 }
3032
3033 if (found)
3034 continue;
3035 /* If device was not in our fcports list, then add it. */
3036 list_add_tail(&new_fcport->list, new_fcports);
3037
3038 /* Allocate a new replacement fcport. */
3039 nxt_d_id.b24 = new_fcport->d_id.b24;
3040 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3041 if (new_fcport == NULL) {
3042 kfree(swl);
3043 return (QLA_MEMORY_ALLOC_FAILED);
3044 }
3045 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3046 new_fcport->d_id.b24 = nxt_d_id.b24;
3047 }
3048
3049 kfree(swl);
3050 kfree(new_fcport);
3051
3052 return (rval);
3053 }
3054
3055 /*
3056 * qla2x00_find_new_loop_id
3057 * Scan through our port list and find a new usable loop ID.
3058 *
3059 * Input:
3060 * ha: adapter state pointer.
3061 * dev: port structure pointer.
3062 *
3063 * Returns:
3064 * qla2x00 local function return status code.
3065 *
3066 * Context:
3067 * Kernel context.
3068 */
3069 static int
3070 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3071 {
3072 int rval;
3073 int found;
3074 fc_port_t *fcport;
3075 uint16_t first_loop_id;
3076 struct qla_hw_data *ha = vha->hw;
3077 struct scsi_qla_host *vp;
3078 struct scsi_qla_host *tvp;
3079
3080 rval = QLA_SUCCESS;
3081
3082 /* Save starting loop ID. */
3083 first_loop_id = dev->loop_id;
3084
3085 for (;;) {
3086 /* Skip loop ID if already used by adapter. */
3087 if (dev->loop_id == vha->loop_id)
3088 dev->loop_id++;
3089
3090 /* Skip reserved loop IDs. */
3091 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3092 dev->loop_id++;
3093
3094 /* Reset loop ID if passed the end. */
3095 if (dev->loop_id > ha->max_loop_id) {
3096 /* first loop ID. */
3097 dev->loop_id = ha->min_external_loopid;
3098 }
3099
3100 /* Check for loop ID being already in use. */
3101 found = 0;
3102 fcport = NULL;
3103 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3104 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3105 if (fcport->loop_id == dev->loop_id &&
3106 fcport != dev) {
3107 /* ID possibly in use */
3108 found++;
3109 break;
3110 }
3111 }
3112 if (found)
3113 break;
3114 }
3115
3116 /* If not in use then it is free to use. */
3117 if (!found) {
3118 break;
3119 }
3120
3121 /* ID in use. Try next value. */
3122 dev->loop_id++;
3123
3124 /* If wrap around. No free ID to use. */
3125 if (dev->loop_id == first_loop_id) {
3126 dev->loop_id = FC_NO_LOOP_ID;
3127 rval = QLA_FUNCTION_FAILED;
3128 break;
3129 }
3130 }
3131
3132 return (rval);
3133 }
3134
3135 /*
3136 * qla2x00_device_resync
3137 * Marks devices in the database that needs resynchronization.
3138 *
3139 * Input:
3140 * ha = adapter block pointer.
3141 *
3142 * Context:
3143 * Kernel context.
3144 */
3145 static int
3146 qla2x00_device_resync(scsi_qla_host_t *vha)
3147 {
3148 int rval;
3149 uint32_t mask;
3150 fc_port_t *fcport;
3151 uint32_t rscn_entry;
3152 uint8_t rscn_out_iter;
3153 uint8_t format;
3154 port_id_t d_id;
3155
3156 rval = QLA_RSCNS_HANDLED;
3157
3158 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3159 vha->flags.rscn_queue_overflow) {
3160
3161 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3162 format = MSB(MSW(rscn_entry));
3163 d_id.b.domain = LSB(MSW(rscn_entry));
3164 d_id.b.area = MSB(LSW(rscn_entry));
3165 d_id.b.al_pa = LSB(LSW(rscn_entry));
3166
3167 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3168 "[%02x/%02x%02x%02x].\n",
3169 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3170 d_id.b.area, d_id.b.al_pa));
3171
3172 vha->rscn_out_ptr++;
3173 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3174 vha->rscn_out_ptr = 0;
3175
3176 /* Skip duplicate entries. */
3177 for (rscn_out_iter = vha->rscn_out_ptr;
3178 !vha->flags.rscn_queue_overflow &&
3179 rscn_out_iter != vha->rscn_in_ptr;
3180 rscn_out_iter = (rscn_out_iter ==
3181 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3182
3183 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3184 break;
3185
3186 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3187 "entry found at [%d].\n", vha->host_no,
3188 rscn_out_iter));
3189
3190 vha->rscn_out_ptr = rscn_out_iter;
3191 }
3192
3193 /* Queue overflow, set switch default case. */
3194 if (vha->flags.rscn_queue_overflow) {
3195 DEBUG(printk("scsi(%ld): device_resync: rscn "
3196 "overflow.\n", vha->host_no));
3197
3198 format = 3;
3199 vha->flags.rscn_queue_overflow = 0;
3200 }
3201
3202 switch (format) {
3203 case 0:
3204 mask = 0xffffff;
3205 break;
3206 case 1:
3207 mask = 0xffff00;
3208 break;
3209 case 2:
3210 mask = 0xff0000;
3211 break;
3212 default:
3213 mask = 0x0;
3214 d_id.b24 = 0;
3215 vha->rscn_out_ptr = vha->rscn_in_ptr;
3216 break;
3217 }
3218
3219 rval = QLA_SUCCESS;
3220
3221 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3222 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3223 (fcport->d_id.b24 & mask) != d_id.b24 ||
3224 fcport->port_type == FCT_BROADCAST)
3225 continue;
3226
3227 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3228 if (format != 3 ||
3229 fcport->port_type != FCT_INITIATOR) {
3230 qla2x00_mark_device_lost(vha, fcport,
3231 0, 0);
3232 }
3233 }
3234 }
3235 }
3236 return (rval);
3237 }
3238
3239 /*
3240 * qla2x00_fabric_dev_login
3241 * Login fabric target device and update FC port database.
3242 *
3243 * Input:
3244 * ha: adapter state pointer.
3245 * fcport: port structure list pointer.
3246 * next_loopid: contains value of a new loop ID that can be used
3247 * by the next login attempt.
3248 *
3249 * Returns:
3250 * qla2x00 local function return status code.
3251 *
3252 * Context:
3253 * Kernel context.
3254 */
3255 static int
3256 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3257 uint16_t *next_loopid)
3258 {
3259 int rval;
3260 int retry;
3261 uint8_t opts;
3262 struct qla_hw_data *ha = vha->hw;
3263
3264 rval = QLA_SUCCESS;
3265 retry = 0;
3266
3267 if (IS_ALOGIO_CAPABLE(ha)) {
3268 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3269 if (!rval)
3270 return rval;
3271 }
3272
3273 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3274 if (rval == QLA_SUCCESS) {
3275 /* Send an ADISC to FCP2 devices.*/
3276 opts = 0;
3277 if (fcport->flags & FCF_FCP2_DEVICE)
3278 opts |= BIT_1;
3279 rval = qla2x00_get_port_database(vha, fcport, opts);
3280 if (rval != QLA_SUCCESS) {
3281 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3282 fcport->d_id.b.domain, fcport->d_id.b.area,
3283 fcport->d_id.b.al_pa);
3284 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3285 } else {
3286 qla2x00_update_fcport(vha, fcport);
3287 }
3288 }
3289
3290 return (rval);
3291 }
3292
3293 /*
3294 * qla2x00_fabric_login
3295 * Issue fabric login command.
3296 *
3297 * Input:
3298 * ha = adapter block pointer.
3299 * device = pointer to FC device type structure.
3300 *
3301 * Returns:
3302 * 0 - Login successfully
3303 * 1 - Login failed
3304 * 2 - Initiator device
3305 * 3 - Fatal error
3306 */
3307 int
3308 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3309 uint16_t *next_loopid)
3310 {
3311 int rval;
3312 int retry;
3313 uint16_t tmp_loopid;
3314 uint16_t mb[MAILBOX_REGISTER_COUNT];
3315 struct qla_hw_data *ha = vha->hw;
3316
3317 retry = 0;
3318 tmp_loopid = 0;
3319
3320 for (;;) {
3321 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3322 "for port %02x%02x%02x.\n",
3323 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3324 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3325
3326 /* Login fcport on switch. */
3327 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3328 fcport->d_id.b.domain, fcport->d_id.b.area,
3329 fcport->d_id.b.al_pa, mb, BIT_0);
3330 if (mb[0] == MBS_PORT_ID_USED) {
3331 /*
3332 * Device has another loop ID. The firmware team
3333 * recommends the driver perform an implicit login with
3334 * the specified ID again. The ID we just used is save
3335 * here so we return with an ID that can be tried by
3336 * the next login.
3337 */
3338 retry++;
3339 tmp_loopid = fcport->loop_id;
3340 fcport->loop_id = mb[1];
3341
3342 DEBUG(printk("Fabric Login: port in use - next "
3343 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3344 fcport->loop_id, fcport->d_id.b.domain,
3345 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3346
3347 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3348 /*
3349 * Login succeeded.
3350 */
3351 if (retry) {
3352 /* A retry occurred before. */
3353 *next_loopid = tmp_loopid;
3354 } else {
3355 /*
3356 * No retry occurred before. Just increment the
3357 * ID value for next login.
3358 */
3359 *next_loopid = (fcport->loop_id + 1);
3360 }
3361
3362 if (mb[1] & BIT_0) {
3363 fcport->port_type = FCT_INITIATOR;
3364 } else {
3365 fcport->port_type = FCT_TARGET;
3366 if (mb[1] & BIT_1) {
3367 fcport->flags |= FCF_FCP2_DEVICE;
3368 }
3369 }
3370
3371 if (mb[10] & BIT_0)
3372 fcport->supported_classes |= FC_COS_CLASS2;
3373 if (mb[10] & BIT_1)
3374 fcport->supported_classes |= FC_COS_CLASS3;
3375
3376 rval = QLA_SUCCESS;
3377 break;
3378 } else if (mb[0] == MBS_LOOP_ID_USED) {
3379 /*
3380 * Loop ID already used, try next loop ID.
3381 */
3382 fcport->loop_id++;
3383 rval = qla2x00_find_new_loop_id(vha, fcport);
3384 if (rval != QLA_SUCCESS) {
3385 /* Ran out of loop IDs to use */
3386 break;
3387 }
3388 } else if (mb[0] == MBS_COMMAND_ERROR) {
3389 /*
3390 * Firmware possibly timed out during login. If NO
3391 * retries are left to do then the device is declared
3392 * dead.
3393 */
3394 *next_loopid = fcport->loop_id;
3395 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3396 fcport->d_id.b.domain, fcport->d_id.b.area,
3397 fcport->d_id.b.al_pa);
3398 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3399
3400 rval = 1;
3401 break;
3402 } else {
3403 /*
3404 * unrecoverable / not handled error
3405 */
3406 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3407 "loop_id=%x jiffies=%lx.\n",
3408 __func__, vha->host_no, mb[0],
3409 fcport->d_id.b.domain, fcport->d_id.b.area,
3410 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3411
3412 *next_loopid = fcport->loop_id;
3413 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3414 fcport->d_id.b.domain, fcport->d_id.b.area,
3415 fcport->d_id.b.al_pa);
3416 fcport->loop_id = FC_NO_LOOP_ID;
3417 fcport->login_retry = 0;
3418
3419 rval = 3;
3420 break;
3421 }
3422 }
3423
3424 return (rval);
3425 }
3426
3427 /*
3428 * qla2x00_local_device_login
3429 * Issue local device login command.
3430 *
3431 * Input:
3432 * ha = adapter block pointer.
3433 * loop_id = loop id of device to login to.
3434 *
3435 * Returns (Where's the #define!!!!):
3436 * 0 - Login successfully
3437 * 1 - Login failed
3438 * 3 - Fatal error
3439 */
3440 int
3441 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3442 {
3443 int rval;
3444 uint16_t mb[MAILBOX_REGISTER_COUNT];
3445
3446 memset(mb, 0, sizeof(mb));
3447 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3448 if (rval == QLA_SUCCESS) {
3449 /* Interrogate mailbox registers for any errors */
3450 if (mb[0] == MBS_COMMAND_ERROR)
3451 rval = 1;
3452 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3453 /* device not in PCB table */
3454 rval = 3;
3455 }
3456
3457 return (rval);
3458 }
3459
3460 /*
3461 * qla2x00_loop_resync
3462 * Resync with fibre channel devices.
3463 *
3464 * Input:
3465 * ha = adapter block pointer.
3466 *
3467 * Returns:
3468 * 0 = success
3469 */
3470 int
3471 qla2x00_loop_resync(scsi_qla_host_t *vha)
3472 {
3473 int rval = QLA_SUCCESS;
3474 uint32_t wait_time;
3475 struct req_que *req;
3476 struct rsp_que *rsp;
3477
3478 if (vha->hw->flags.cpu_affinity_enabled)
3479 req = vha->hw->req_q_map[0];
3480 else
3481 req = vha->req;
3482 rsp = req->rsp;
3483
3484 atomic_set(&vha->loop_state, LOOP_UPDATE);
3485 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3486 if (vha->flags.online) {
3487 if (!(rval = qla2x00_fw_ready(vha))) {
3488 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3489 wait_time = 256;
3490 do {
3491 atomic_set(&vha->loop_state, LOOP_UPDATE);
3492
3493 /* Issue a marker after FW becomes ready. */
3494 qla2x00_marker(vha, req, rsp, 0, 0,
3495 MK_SYNC_ALL);
3496 vha->marker_needed = 0;
3497
3498 /* Remap devices on Loop. */
3499 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3500
3501 qla2x00_configure_loop(vha);
3502 wait_time--;
3503 } while (!atomic_read(&vha->loop_down_timer) &&
3504 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3505 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3506 &vha->dpc_flags)));
3507 }
3508 }
3509
3510 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3511 return (QLA_FUNCTION_FAILED);
3512
3513 if (rval)
3514 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3515
3516 return (rval);
3517 }
3518
3519 void
3520 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3521 {
3522 fc_port_t *fcport;
3523 struct scsi_qla_host *tvp, *vha;
3524
3525 /* Go with deferred removal of rport references. */
3526 list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3527 list_for_each_entry(fcport, &vha->vp_fcports, list)
3528 if (fcport && fcport->drport &&
3529 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3530 qla2x00_rport_del(fcport);
3531 }
3532
3533 /*
3534 * qla2x00_abort_isp
3535 * Resets ISP and aborts all outstanding commands.
3536 *
3537 * Input:
3538 * ha = adapter block pointer.
3539 *
3540 * Returns:
3541 * 0 = success
3542 */
3543 int
3544 qla2x00_abort_isp(scsi_qla_host_t *vha)
3545 {
3546 int rval;
3547 uint8_t status = 0;
3548 struct qla_hw_data *ha = vha->hw;
3549 struct scsi_qla_host *vp;
3550 struct scsi_qla_host *tvp;
3551 struct req_que *req = ha->req_q_map[0];
3552
3553 if (vha->flags.online) {
3554 vha->flags.online = 0;
3555 ha->flags.chip_reset_done = 0;
3556 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3557 ha->qla_stats.total_isp_aborts++;
3558
3559 qla_printk(KERN_INFO, ha,
3560 "Performing ISP error recovery - ha= %p.\n", ha);
3561 ha->isp_ops->reset_chip(vha);
3562
3563 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3564 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3565 atomic_set(&vha->loop_state, LOOP_DOWN);
3566 qla2x00_mark_all_devices_lost(vha, 0);
3567 } else {
3568 if (!atomic_read(&vha->loop_down_timer))
3569 atomic_set(&vha->loop_down_timer,
3570 LOOP_DOWN_TIME);
3571 }
3572
3573 /* Requeue all commands in outstanding command list. */
3574 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3575
3576 if (unlikely(pci_channel_offline(ha->pdev) &&
3577 ha->flags.pci_channel_io_perm_failure)) {
3578 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3579 status = 0;
3580 return status;
3581 }
3582
3583 ha->isp_ops->get_flash_version(vha, req->ring);
3584
3585 ha->isp_ops->nvram_config(vha);
3586
3587 if (!qla2x00_restart_isp(vha)) {
3588 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3589
3590 if (!atomic_read(&vha->loop_down_timer)) {
3591 /*
3592 * Issue marker command only when we are going
3593 * to start the I/O .
3594 */
3595 vha->marker_needed = 1;
3596 }
3597
3598 vha->flags.online = 1;
3599
3600 ha->isp_ops->enable_intrs(ha);
3601
3602 ha->isp_abort_cnt = 0;
3603 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3604
3605 if (IS_QLA81XX(ha))
3606 qla2x00_get_fw_version(vha,
3607 &ha->fw_major_version,
3608 &ha->fw_minor_version,
3609 &ha->fw_subminor_version,
3610 &ha->fw_attributes, &ha->fw_memory_size,
3611 ha->mpi_version, &ha->mpi_capabilities,
3612 ha->phy_version);
3613
3614 if (ha->fce) {
3615 ha->flags.fce_enabled = 1;
3616 memset(ha->fce, 0,
3617 fce_calc_size(ha->fce_bufs));
3618 rval = qla2x00_enable_fce_trace(vha,
3619 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3620 &ha->fce_bufs);
3621 if (rval) {
3622 qla_printk(KERN_WARNING, ha,
3623 "Unable to reinitialize FCE "
3624 "(%d).\n", rval);
3625 ha->flags.fce_enabled = 0;
3626 }
3627 }
3628
3629 if (ha->eft) {
3630 memset(ha->eft, 0, EFT_SIZE);
3631 rval = qla2x00_enable_eft_trace(vha,
3632 ha->eft_dma, EFT_NUM_BUFFERS);
3633 if (rval) {
3634 qla_printk(KERN_WARNING, ha,
3635 "Unable to reinitialize EFT "
3636 "(%d).\n", rval);
3637 }
3638 }
3639 } else { /* failed the ISP abort */
3640 vha->flags.online = 1;
3641 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3642 if (ha->isp_abort_cnt == 0) {
3643 qla_printk(KERN_WARNING, ha,
3644 "ISP error recovery failed - "
3645 "board disabled\n");
3646 /*
3647 * The next call disables the board
3648 * completely.
3649 */
3650 ha->isp_ops->reset_adapter(vha);
3651 vha->flags.online = 0;
3652 clear_bit(ISP_ABORT_RETRY,
3653 &vha->dpc_flags);
3654 status = 0;
3655 } else { /* schedule another ISP abort */
3656 ha->isp_abort_cnt--;
3657 DEBUG(printk("qla%ld: ISP abort - "
3658 "retry remaining %d\n",
3659 vha->host_no, ha->isp_abort_cnt));
3660 status = 1;
3661 }
3662 } else {
3663 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3664 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3665 "- retrying (%d) more times\n",
3666 vha->host_no, ha->isp_abort_cnt));
3667 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3668 status = 1;
3669 }
3670 }
3671
3672 }
3673
3674 if (!status) {
3675 DEBUG(printk(KERN_INFO
3676 "qla2x00_abort_isp(%ld): succeeded.\n",
3677 vha->host_no));
3678 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3679 if (vp->vp_idx)
3680 qla2x00_vp_abort_isp(vp);
3681 }
3682 } else {
3683 qla_printk(KERN_INFO, ha,
3684 "qla2x00_abort_isp: **** FAILED ****\n");
3685 }
3686
3687 return(status);
3688 }
3689
3690 /*
3691 * qla2x00_restart_isp
3692 * restarts the ISP after a reset
3693 *
3694 * Input:
3695 * ha = adapter block pointer.
3696 *
3697 * Returns:
3698 * 0 = success
3699 */
3700 static int
3701 qla2x00_restart_isp(scsi_qla_host_t *vha)
3702 {
3703 int status = 0;
3704 uint32_t wait_time;
3705 struct qla_hw_data *ha = vha->hw;
3706 struct req_que *req = ha->req_q_map[0];
3707 struct rsp_que *rsp = ha->rsp_q_map[0];
3708
3709 /* If firmware needs to be loaded */
3710 if (qla2x00_isp_firmware(vha)) {
3711 vha->flags.online = 0;
3712 status = ha->isp_ops->chip_diag(vha);
3713 if (!status)
3714 status = qla2x00_setup_chip(vha);
3715 }
3716
3717 if (!status && !(status = qla2x00_init_rings(vha))) {
3718 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3719 ha->flags.chip_reset_done = 1;
3720 /* Initialize the queues in use */
3721 qla25xx_init_queues(ha);
3722
3723 status = qla2x00_fw_ready(vha);
3724 if (!status) {
3725 DEBUG(printk("%s(): Start configure loop, "
3726 "status = %d\n", __func__, status));
3727
3728 /* Issue a marker after FW becomes ready. */
3729 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3730
3731 vha->flags.online = 1;
3732 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3733 wait_time = 256;
3734 do {
3735 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3736 qla2x00_configure_loop(vha);
3737 wait_time--;
3738 } while (!atomic_read(&vha->loop_down_timer) &&
3739 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3740 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3741 &vha->dpc_flags)));
3742 }
3743
3744 /* if no cable then assume it's good */
3745 if ((vha->device_flags & DFLG_NO_CABLE))
3746 status = 0;
3747
3748 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3749 __func__,
3750 status));
3751 }
3752 return (status);
3753 }
3754
3755 static int
3756 qla25xx_init_queues(struct qla_hw_data *ha)
3757 {
3758 struct rsp_que *rsp = NULL;
3759 struct req_que *req = NULL;
3760 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3761 int ret = -1;
3762 int i;
3763
3764 for (i = 1; i < ha->max_rsp_queues; i++) {
3765 rsp = ha->rsp_q_map[i];
3766 if (rsp) {
3767 rsp->options &= ~BIT_0;
3768 ret = qla25xx_init_rsp_que(base_vha, rsp);
3769 if (ret != QLA_SUCCESS)
3770 DEBUG2_17(printk(KERN_WARNING
3771 "%s Rsp que:%d init failed\n", __func__,
3772 rsp->id));
3773 else
3774 DEBUG2_17(printk(KERN_INFO
3775 "%s Rsp que:%d inited\n", __func__,
3776 rsp->id));
3777 }
3778 }
3779 for (i = 1; i < ha->max_req_queues; i++) {
3780 req = ha->req_q_map[i];
3781 if (req) {
3782 /* Clear outstanding commands array. */
3783 req->options &= ~BIT_0;
3784 ret = qla25xx_init_req_que(base_vha, req);
3785 if (ret != QLA_SUCCESS)
3786 DEBUG2_17(printk(KERN_WARNING
3787 "%s Req que:%d init failed\n", __func__,
3788 req->id));
3789 else
3790 DEBUG2_17(printk(KERN_WARNING
3791 "%s Req que:%d inited\n", __func__,
3792 req->id));
3793 }
3794 }
3795 return ret;
3796 }
3797
3798 /*
3799 * qla2x00_reset_adapter
3800 * Reset adapter.
3801 *
3802 * Input:
3803 * ha = adapter block pointer.
3804 */
3805 void
3806 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3807 {
3808 unsigned long flags = 0;
3809 struct qla_hw_data *ha = vha->hw;
3810 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3811
3812 vha->flags.online = 0;
3813 ha->isp_ops->disable_intrs(ha);
3814
3815 spin_lock_irqsave(&ha->hardware_lock, flags);
3816 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3817 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3818 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3819 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3820 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3821 }
3822
3823 void
3824 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3825 {
3826 unsigned long flags = 0;
3827 struct qla_hw_data *ha = vha->hw;
3828 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3829
3830 vha->flags.online = 0;
3831 ha->isp_ops->disable_intrs(ha);
3832
3833 spin_lock_irqsave(&ha->hardware_lock, flags);
3834 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3835 RD_REG_DWORD(&reg->hccr);
3836 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3837 RD_REG_DWORD(&reg->hccr);
3838 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3839
3840 if (IS_NOPOLLING_TYPE(ha))
3841 ha->isp_ops->enable_intrs(ha);
3842 }
3843
3844 /* On sparc systems, obtain port and node WWN from firmware
3845 * properties.
3846 */
3847 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3848 struct nvram_24xx *nv)
3849 {
3850 #ifdef CONFIG_SPARC
3851 struct qla_hw_data *ha = vha->hw;
3852 struct pci_dev *pdev = ha->pdev;
3853 struct device_node *dp = pci_device_to_OF_node(pdev);
3854 const u8 *val;
3855 int len;
3856
3857 val = of_get_property(dp, "port-wwn", &len);
3858 if (val && len >= WWN_SIZE)
3859 memcpy(nv->port_name, val, WWN_SIZE);
3860
3861 val = of_get_property(dp, "node-wwn", &len);
3862 if (val && len >= WWN_SIZE)
3863 memcpy(nv->node_name, val, WWN_SIZE);
3864 #endif
3865 }
3866
3867 int
3868 qla24xx_nvram_config(scsi_qla_host_t *vha)
3869 {
3870 int rval;
3871 struct init_cb_24xx *icb;
3872 struct nvram_24xx *nv;
3873 uint32_t *dptr;
3874 uint8_t *dptr1, *dptr2;
3875 uint32_t chksum;
3876 uint16_t cnt;
3877 struct qla_hw_data *ha = vha->hw;
3878
3879 rval = QLA_SUCCESS;
3880 icb = (struct init_cb_24xx *)ha->init_cb;
3881 nv = ha->nvram;
3882
3883 /* Determine NVRAM starting address. */
3884 if (ha->flags.port0) {
3885 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3886 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3887 } else {
3888 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3889 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3890 }
3891 ha->nvram_size = sizeof(struct nvram_24xx);
3892 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3893
3894 /* Get VPD data into cache */
3895 ha->vpd = ha->nvram + VPD_OFFSET;
3896 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3897 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3898
3899 /* Get NVRAM data into cache and calculate checksum. */
3900 dptr = (uint32_t *)nv;
3901 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3902 ha->nvram_size);
3903 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3904 chksum += le32_to_cpu(*dptr++);
3905
3906 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3907 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3908
3909 /* Bad NVRAM data, set defaults parameters. */
3910 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3911 || nv->id[3] != ' ' ||
3912 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3913 /* Reset NVRAM data. */
3914 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3915 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3916 le16_to_cpu(nv->nvram_version));
3917 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3918 "invalid -- WWPN) defaults.\n");
3919
3920 /*
3921 * Set default initialization control block.
3922 */
3923 memset(nv, 0, ha->nvram_size);
3924 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3925 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3926 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3927 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3928 nv->exchange_count = __constant_cpu_to_le16(0);
3929 nv->hard_address = __constant_cpu_to_le16(124);
3930 nv->port_name[0] = 0x21;
3931 nv->port_name[1] = 0x00 + ha->port_no;
3932 nv->port_name[2] = 0x00;
3933 nv->port_name[3] = 0xe0;
3934 nv->port_name[4] = 0x8b;
3935 nv->port_name[5] = 0x1c;
3936 nv->port_name[6] = 0x55;
3937 nv->port_name[7] = 0x86;
3938 nv->node_name[0] = 0x20;
3939 nv->node_name[1] = 0x00;
3940 nv->node_name[2] = 0x00;
3941 nv->node_name[3] = 0xe0;
3942 nv->node_name[4] = 0x8b;
3943 nv->node_name[5] = 0x1c;
3944 nv->node_name[6] = 0x55;
3945 nv->node_name[7] = 0x86;
3946 qla24xx_nvram_wwn_from_ofw(vha, nv);
3947 nv->login_retry_count = __constant_cpu_to_le16(8);
3948 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3949 nv->login_timeout = __constant_cpu_to_le16(0);
3950 nv->firmware_options_1 =
3951 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3952 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3953 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3954 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3955 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3956 nv->efi_parameters = __constant_cpu_to_le32(0);
3957 nv->reset_delay = 5;
3958 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3959 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3960 nv->link_down_timeout = __constant_cpu_to_le16(30);
3961
3962 rval = 1;
3963 }
3964
3965 /* Reset Initialization control block */
3966 memset(icb, 0, ha->init_cb_size);
3967
3968 /* Copy 1st segment. */
3969 dptr1 = (uint8_t *)icb;
3970 dptr2 = (uint8_t *)&nv->version;
3971 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3972 while (cnt--)
3973 *dptr1++ = *dptr2++;
3974
3975 icb->login_retry_count = nv->login_retry_count;
3976 icb->link_down_on_nos = nv->link_down_on_nos;
3977
3978 /* Copy 2nd segment. */
3979 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3980 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3981 cnt = (uint8_t *)&icb->reserved_3 -
3982 (uint8_t *)&icb->interrupt_delay_timer;
3983 while (cnt--)
3984 *dptr1++ = *dptr2++;
3985
3986 /*
3987 * Setup driver NVRAM options.
3988 */
3989 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3990 "QLA2462");
3991
3992 /* Use alternate WWN? */
3993 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3994 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3995 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3996 }
3997
3998 /* Prepare nodename */
3999 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4000 /*
4001 * Firmware will apply the following mask if the nodename was
4002 * not provided.
4003 */
4004 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4005 icb->node_name[0] &= 0xF0;
4006 }
4007
4008 /* Set host adapter parameters. */
4009 ha->flags.disable_risc_code_load = 0;
4010 ha->flags.enable_lip_reset = 0;
4011 ha->flags.enable_lip_full_login =
4012 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4013 ha->flags.enable_target_reset =
4014 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4015 ha->flags.enable_led_scheme = 0;
4016 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4017
4018 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4019 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4020
4021 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4022 sizeof(ha->fw_seriallink_options24));
4023
4024 /* save HBA serial number */
4025 ha->serial0 = icb->port_name[5];
4026 ha->serial1 = icb->port_name[6];
4027 ha->serial2 = icb->port_name[7];
4028 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4029 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4030
4031 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4032
4033 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4034
4035 /* Set minimum login_timeout to 4 seconds. */
4036 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4037 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4038 if (le16_to_cpu(nv->login_timeout) < 4)
4039 nv->login_timeout = __constant_cpu_to_le16(4);
4040 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4041 icb->login_timeout = nv->login_timeout;
4042
4043 /* Set minimum RATOV to 100 tenths of a second. */
4044 ha->r_a_tov = 100;
4045
4046 ha->loop_reset_delay = nv->reset_delay;
4047
4048 /* Link Down Timeout = 0:
4049 *
4050 * When Port Down timer expires we will start returning
4051 * I/O's to OS with "DID_NO_CONNECT".
4052 *
4053 * Link Down Timeout != 0:
4054 *
4055 * The driver waits for the link to come up after link down
4056 * before returning I/Os to OS with "DID_NO_CONNECT".
4057 */
4058 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4059 ha->loop_down_abort_time =
4060 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4061 } else {
4062 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4063 ha->loop_down_abort_time =
4064 (LOOP_DOWN_TIME - ha->link_down_timeout);
4065 }
4066
4067 /* Need enough time to try and get the port back. */
4068 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4069 if (qlport_down_retry)
4070 ha->port_down_retry_count = qlport_down_retry;
4071
4072 /* Set login_retry_count */
4073 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4074 if (ha->port_down_retry_count ==
4075 le16_to_cpu(nv->port_down_retry_count) &&
4076 ha->port_down_retry_count > 3)
4077 ha->login_retry_count = ha->port_down_retry_count;
4078 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4079 ha->login_retry_count = ha->port_down_retry_count;
4080 if (ql2xloginretrycount)
4081 ha->login_retry_count = ql2xloginretrycount;
4082
4083 /* Enable ZIO. */
4084 if (!vha->flags.init_done) {
4085 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4086 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4087 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4088 le16_to_cpu(icb->interrupt_delay_timer): 2;
4089 }
4090 icb->firmware_options_2 &= __constant_cpu_to_le32(
4091 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4092 vha->flags.process_response_queue = 0;
4093 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4094 ha->zio_mode = QLA_ZIO_MODE_6;
4095
4096 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4097 "(%d us).\n", vha->host_no, ha->zio_mode,
4098 ha->zio_timer * 100));
4099 qla_printk(KERN_INFO, ha,
4100 "ZIO mode %d enabled; timer delay (%d us).\n",
4101 ha->zio_mode, ha->zio_timer * 100);
4102
4103 icb->firmware_options_2 |= cpu_to_le32(
4104 (uint32_t)ha->zio_mode);
4105 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4106 vha->flags.process_response_queue = 1;
4107 }
4108
4109 if (rval) {
4110 DEBUG2_3(printk(KERN_WARNING
4111 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4112 }
4113 return (rval);
4114 }
4115
4116 static int
4117 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4118 uint32_t faddr)
4119 {
4120 int rval = QLA_SUCCESS;
4121 int segments, fragment;
4122 uint32_t *dcode, dlen;
4123 uint32_t risc_addr;
4124 uint32_t risc_size;
4125 uint32_t i;
4126 struct qla_hw_data *ha = vha->hw;
4127 struct req_que *req = ha->req_q_map[0];
4128
4129 qla_printk(KERN_INFO, ha,
4130 "FW: Loading from flash (%x)...\n", faddr);
4131
4132 rval = QLA_SUCCESS;
4133
4134 segments = FA_RISC_CODE_SEGMENTS;
4135 dcode = (uint32_t *)req->ring;
4136 *srisc_addr = 0;
4137
4138 /* Validate firmware image by checking version. */
4139 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4140 for (i = 0; i < 4; i++)
4141 dcode[i] = be32_to_cpu(dcode[i]);
4142 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4143 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4144 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4145 dcode[3] == 0)) {
4146 qla_printk(KERN_WARNING, ha,
4147 "Unable to verify integrity of flash firmware image!\n");
4148 qla_printk(KERN_WARNING, ha,
4149 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4150 dcode[1], dcode[2], dcode[3]);
4151
4152 return QLA_FUNCTION_FAILED;
4153 }
4154
4155 while (segments && rval == QLA_SUCCESS) {
4156 /* Read segment's load information. */
4157 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4158
4159 risc_addr = be32_to_cpu(dcode[2]);
4160 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4161 risc_size = be32_to_cpu(dcode[3]);
4162
4163 fragment = 0;
4164 while (risc_size > 0 && rval == QLA_SUCCESS) {
4165 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4166 if (dlen > risc_size)
4167 dlen = risc_size;
4168
4169 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4170 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4171 vha->host_no, risc_addr, dlen, faddr));
4172
4173 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4174 for (i = 0; i < dlen; i++)
4175 dcode[i] = swab32(dcode[i]);
4176
4177 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4178 dlen);
4179 if (rval) {
4180 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4181 "segment %d of firmware\n", vha->host_no,
4182 fragment));
4183 qla_printk(KERN_WARNING, ha,
4184 "[ERROR] Failed to load segment %d of "
4185 "firmware\n", fragment);
4186 break;
4187 }
4188
4189 faddr += dlen;
4190 risc_addr += dlen;
4191 risc_size -= dlen;
4192 fragment++;
4193 }
4194
4195 /* Next segment. */
4196 segments--;
4197 }
4198
4199 return rval;
4200 }
4201
4202 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4203
4204 int
4205 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4206 {
4207 int rval;
4208 int i, fragment;
4209 uint16_t *wcode, *fwcode;
4210 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4211 struct fw_blob *blob;
4212 struct qla_hw_data *ha = vha->hw;
4213 struct req_que *req = ha->req_q_map[0];
4214
4215 /* Load firmware blob. */
4216 blob = qla2x00_request_firmware(vha);
4217 if (!blob) {
4218 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4219 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4220 "from: " QLA_FW_URL ".\n");
4221 return QLA_FUNCTION_FAILED;
4222 }
4223
4224 rval = QLA_SUCCESS;
4225
4226 wcode = (uint16_t *)req->ring;
4227 *srisc_addr = 0;
4228 fwcode = (uint16_t *)blob->fw->data;
4229 fwclen = 0;
4230
4231 /* Validate firmware image by checking version. */
4232 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4233 qla_printk(KERN_WARNING, ha,
4234 "Unable to verify integrity of firmware image (%Zd)!\n",
4235 blob->fw->size);
4236 goto fail_fw_integrity;
4237 }
4238 for (i = 0; i < 4; i++)
4239 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4240 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4241 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4242 wcode[2] == 0 && wcode[3] == 0)) {
4243 qla_printk(KERN_WARNING, ha,
4244 "Unable to verify integrity of firmware image!\n");
4245 qla_printk(KERN_WARNING, ha,
4246 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4247 wcode[1], wcode[2], wcode[3]);
4248 goto fail_fw_integrity;
4249 }
4250
4251 seg = blob->segs;
4252 while (*seg && rval == QLA_SUCCESS) {
4253 risc_addr = *seg;
4254 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4255 risc_size = be16_to_cpu(fwcode[3]);
4256
4257 /* Validate firmware image size. */
4258 fwclen += risc_size * sizeof(uint16_t);
4259 if (blob->fw->size < fwclen) {
4260 qla_printk(KERN_WARNING, ha,
4261 "Unable to verify integrity of firmware image "
4262 "(%Zd)!\n", blob->fw->size);
4263 goto fail_fw_integrity;
4264 }
4265
4266 fragment = 0;
4267 while (risc_size > 0 && rval == QLA_SUCCESS) {
4268 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4269 if (wlen > risc_size)
4270 wlen = risc_size;
4271
4272 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4273 "addr %x, number of words 0x%x.\n", vha->host_no,
4274 risc_addr, wlen));
4275
4276 for (i = 0; i < wlen; i++)
4277 wcode[i] = swab16(fwcode[i]);
4278
4279 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4280 wlen);
4281 if (rval) {
4282 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4283 "segment %d of firmware\n", vha->host_no,
4284 fragment));
4285 qla_printk(KERN_WARNING, ha,
4286 "[ERROR] Failed to load segment %d of "
4287 "firmware\n", fragment);
4288 break;
4289 }
4290
4291 fwcode += wlen;
4292 risc_addr += wlen;
4293 risc_size -= wlen;
4294 fragment++;
4295 }
4296
4297 /* Next segment. */
4298 seg++;
4299 }
4300 return rval;
4301
4302 fail_fw_integrity:
4303 return QLA_FUNCTION_FAILED;
4304 }
4305
4306 static int
4307 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4308 {
4309 int rval;
4310 int segments, fragment;
4311 uint32_t *dcode, dlen;
4312 uint32_t risc_addr;
4313 uint32_t risc_size;
4314 uint32_t i;
4315 struct fw_blob *blob;
4316 uint32_t *fwcode, fwclen;
4317 struct qla_hw_data *ha = vha->hw;
4318 struct req_que *req = ha->req_q_map[0];
4319
4320 /* Load firmware blob. */
4321 blob = qla2x00_request_firmware(vha);
4322 if (!blob) {
4323 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4324 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4325 "from: " QLA_FW_URL ".\n");
4326
4327 return QLA_FUNCTION_FAILED;
4328 }
4329
4330 qla_printk(KERN_INFO, ha,
4331 "FW: Loading via request-firmware...\n");
4332
4333 rval = QLA_SUCCESS;
4334
4335 segments = FA_RISC_CODE_SEGMENTS;
4336 dcode = (uint32_t *)req->ring;
4337 *srisc_addr = 0;
4338 fwcode = (uint32_t *)blob->fw->data;
4339 fwclen = 0;
4340
4341 /* Validate firmware image by checking version. */
4342 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4343 qla_printk(KERN_WARNING, ha,
4344 "Unable to verify integrity of firmware image (%Zd)!\n",
4345 blob->fw->size);
4346 goto fail_fw_integrity;
4347 }
4348 for (i = 0; i < 4; i++)
4349 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4350 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4351 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4352 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4353 dcode[3] == 0)) {
4354 qla_printk(KERN_WARNING, ha,
4355 "Unable to verify integrity of firmware image!\n");
4356 qla_printk(KERN_WARNING, ha,
4357 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4358 dcode[1], dcode[2], dcode[3]);
4359 goto fail_fw_integrity;
4360 }
4361
4362 while (segments && rval == QLA_SUCCESS) {
4363 risc_addr = be32_to_cpu(fwcode[2]);
4364 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4365 risc_size = be32_to_cpu(fwcode[3]);
4366
4367 /* Validate firmware image size. */
4368 fwclen += risc_size * sizeof(uint32_t);
4369 if (blob->fw->size < fwclen) {
4370 qla_printk(KERN_WARNING, ha,
4371 "Unable to verify integrity of firmware image "
4372 "(%Zd)!\n", blob->fw->size);
4373
4374 goto fail_fw_integrity;
4375 }
4376
4377 fragment = 0;
4378 while (risc_size > 0 && rval == QLA_SUCCESS) {
4379 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4380 if (dlen > risc_size)
4381 dlen = risc_size;
4382
4383 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4384 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4385 risc_addr, dlen));
4386
4387 for (i = 0; i < dlen; i++)
4388 dcode[i] = swab32(fwcode[i]);
4389
4390 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4391 dlen);
4392 if (rval) {
4393 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4394 "segment %d of firmware\n", vha->host_no,
4395 fragment));
4396 qla_printk(KERN_WARNING, ha,
4397 "[ERROR] Failed to load segment %d of "
4398 "firmware\n", fragment);
4399 break;
4400 }
4401
4402 fwcode += dlen;
4403 risc_addr += dlen;
4404 risc_size -= dlen;
4405 fragment++;
4406 }
4407
4408 /* Next segment. */
4409 segments--;
4410 }
4411 return rval;
4412
4413 fail_fw_integrity:
4414 return QLA_FUNCTION_FAILED;
4415 }
4416
4417 int
4418 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4419 {
4420 int rval;
4421
4422 if (ql2xfwloadbin == 1)
4423 return qla81xx_load_risc(vha, srisc_addr);
4424
4425 /*
4426 * FW Load priority:
4427 * 1) Firmware via request-firmware interface (.bin file).
4428 * 2) Firmware residing in flash.
4429 */
4430 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4431 if (rval == QLA_SUCCESS)
4432 return rval;
4433
4434 return qla24xx_load_risc_flash(vha, srisc_addr,
4435 vha->hw->flt_region_fw);
4436 }
4437
4438 int
4439 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4440 {
4441 int rval;
4442 struct qla_hw_data *ha = vha->hw;
4443
4444 if (ql2xfwloadbin == 2)
4445 goto try_blob_fw;
4446
4447 /*
4448 * FW Load priority:
4449 * 1) Firmware residing in flash.
4450 * 2) Firmware via request-firmware interface (.bin file).
4451 * 3) Golden-Firmware residing in flash -- limited operation.
4452 */
4453 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4454 if (rval == QLA_SUCCESS)
4455 return rval;
4456
4457 try_blob_fw:
4458 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4459 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4460 return rval;
4461
4462 qla_printk(KERN_ERR, ha,
4463 "FW: Attempting to fallback to golden firmware...\n");
4464 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4465 if (rval != QLA_SUCCESS)
4466 return rval;
4467
4468 qla_printk(KERN_ERR, ha,
4469 "FW: Please update operational firmware...\n");
4470 ha->flags.running_gold_fw = 1;
4471
4472 return rval;
4473 }
4474
4475 void
4476 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4477 {
4478 int ret, retries;
4479 struct qla_hw_data *ha = vha->hw;
4480
4481 if (ha->flags.pci_channel_io_perm_failure)
4482 return;
4483 if (!IS_FWI2_CAPABLE(ha))
4484 return;
4485 if (!ha->fw_major_version)
4486 return;
4487
4488 ret = qla2x00_stop_firmware(vha);
4489 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4490 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4491 ha->isp_ops->reset_chip(vha);
4492 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4493 continue;
4494 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4495 continue;
4496 qla_printk(KERN_INFO, ha,
4497 "Attempting retry of stop-firmware command...\n");
4498 ret = qla2x00_stop_firmware(vha);
4499 }
4500 }
4501
4502 int
4503 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4504 {
4505 int rval = QLA_SUCCESS;
4506 uint16_t mb[MAILBOX_REGISTER_COUNT];
4507 struct qla_hw_data *ha = vha->hw;
4508 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4509 struct req_que *req;
4510 struct rsp_que *rsp;
4511
4512 if (!vha->vp_idx)
4513 return -EINVAL;
4514
4515 rval = qla2x00_fw_ready(base_vha);
4516 if (ha->flags.cpu_affinity_enabled)
4517 req = ha->req_q_map[0];
4518 else
4519 req = vha->req;
4520 rsp = req->rsp;
4521
4522 if (rval == QLA_SUCCESS) {
4523 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4524 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4525 }
4526
4527 vha->flags.management_server_logged_in = 0;
4528
4529 /* Login to SNS first */
4530 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4531 if (mb[0] != MBS_COMMAND_COMPLETE) {
4532 DEBUG15(qla_printk(KERN_INFO, ha,
4533 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4534 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4535 mb[0], mb[1], mb[2], mb[6], mb[7]));
4536 return (QLA_FUNCTION_FAILED);
4537 }
4538
4539 atomic_set(&vha->loop_down_timer, 0);
4540 atomic_set(&vha->loop_state, LOOP_UP);
4541 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4542 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4543 rval = qla2x00_loop_resync(base_vha);
4544
4545 return rval;
4546 }
4547
4548 /* 84XX Support **************************************************************/
4549
4550 static LIST_HEAD(qla_cs84xx_list);
4551 static DEFINE_MUTEX(qla_cs84xx_mutex);
4552
4553 static struct qla_chip_state_84xx *
4554 qla84xx_get_chip(struct scsi_qla_host *vha)
4555 {
4556 struct qla_chip_state_84xx *cs84xx;
4557 struct qla_hw_data *ha = vha->hw;
4558
4559 mutex_lock(&qla_cs84xx_mutex);
4560
4561 /* Find any shared 84xx chip. */
4562 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4563 if (cs84xx->bus == ha->pdev->bus) {
4564 kref_get(&cs84xx->kref);
4565 goto done;
4566 }
4567 }
4568
4569 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4570 if (!cs84xx)
4571 goto done;
4572
4573 kref_init(&cs84xx->kref);
4574 spin_lock_init(&cs84xx->access_lock);
4575 mutex_init(&cs84xx->fw_update_mutex);
4576 cs84xx->bus = ha->pdev->bus;
4577
4578 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4579 done:
4580 mutex_unlock(&qla_cs84xx_mutex);
4581 return cs84xx;
4582 }
4583
4584 static void
4585 __qla84xx_chip_release(struct kref *kref)
4586 {
4587 struct qla_chip_state_84xx *cs84xx =
4588 container_of(kref, struct qla_chip_state_84xx, kref);
4589
4590 mutex_lock(&qla_cs84xx_mutex);
4591 list_del(&cs84xx->list);
4592 mutex_unlock(&qla_cs84xx_mutex);
4593 kfree(cs84xx);
4594 }
4595
4596 void
4597 qla84xx_put_chip(struct scsi_qla_host *vha)
4598 {
4599 struct qla_hw_data *ha = vha->hw;
4600 if (ha->cs84xx)
4601 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4602 }
4603
4604 static int
4605 qla84xx_init_chip(scsi_qla_host_t *vha)
4606 {
4607 int rval;
4608 uint16_t status[2];
4609 struct qla_hw_data *ha = vha->hw;
4610
4611 mutex_lock(&ha->cs84xx->fw_update_mutex);
4612
4613 rval = qla84xx_verify_chip(vha, status);
4614
4615 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4616
4617 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4618 QLA_SUCCESS;
4619 }
4620
4621 /* 81XX Support **************************************************************/
4622
4623 int
4624 qla81xx_nvram_config(scsi_qla_host_t *vha)
4625 {
4626 int rval;
4627 struct init_cb_81xx *icb;
4628 struct nvram_81xx *nv;
4629 uint32_t *dptr;
4630 uint8_t *dptr1, *dptr2;
4631 uint32_t chksum;
4632 uint16_t cnt;
4633 struct qla_hw_data *ha = vha->hw;
4634
4635 rval = QLA_SUCCESS;
4636 icb = (struct init_cb_81xx *)ha->init_cb;
4637 nv = ha->nvram;
4638
4639 /* Determine NVRAM starting address. */
4640 ha->nvram_size = sizeof(struct nvram_81xx);
4641 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4642
4643 /* Get VPD data into cache */
4644 ha->vpd = ha->nvram + VPD_OFFSET;
4645 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4646 ha->vpd_size);
4647
4648 /* Get NVRAM data into cache and calculate checksum. */
4649 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4650 ha->nvram_size);
4651 dptr = (uint32_t *)nv;
4652 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4653 chksum += le32_to_cpu(*dptr++);
4654
4655 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4656 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4657
4658 /* Bad NVRAM data, set defaults parameters. */
4659 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4660 || nv->id[3] != ' ' ||
4661 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4662 /* Reset NVRAM data. */
4663 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4664 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4665 le16_to_cpu(nv->nvram_version));
4666 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4667 "invalid -- WWPN) defaults.\n");
4668
4669 /*
4670 * Set default initialization control block.
4671 */
4672 memset(nv, 0, ha->nvram_size);
4673 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4674 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4675 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4676 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4677 nv->exchange_count = __constant_cpu_to_le16(0);
4678 nv->port_name[0] = 0x21;
4679 nv->port_name[1] = 0x00 + ha->port_no;
4680 nv->port_name[2] = 0x00;
4681 nv->port_name[3] = 0xe0;
4682 nv->port_name[4] = 0x8b;
4683 nv->port_name[5] = 0x1c;
4684 nv->port_name[6] = 0x55;
4685 nv->port_name[7] = 0x86;
4686 nv->node_name[0] = 0x20;
4687 nv->node_name[1] = 0x00;
4688 nv->node_name[2] = 0x00;
4689 nv->node_name[3] = 0xe0;
4690 nv->node_name[4] = 0x8b;
4691 nv->node_name[5] = 0x1c;
4692 nv->node_name[6] = 0x55;
4693 nv->node_name[7] = 0x86;
4694 nv->login_retry_count = __constant_cpu_to_le16(8);
4695 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4696 nv->login_timeout = __constant_cpu_to_le16(0);
4697 nv->firmware_options_1 =
4698 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4699 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4700 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4701 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4702 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4703 nv->efi_parameters = __constant_cpu_to_le32(0);
4704 nv->reset_delay = 5;
4705 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4706 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4707 nv->link_down_timeout = __constant_cpu_to_le16(30);
4708 nv->enode_mac[0] = 0x00;
4709 nv->enode_mac[1] = 0x02;
4710 nv->enode_mac[2] = 0x03;
4711 nv->enode_mac[3] = 0x04;
4712 nv->enode_mac[4] = 0x05;
4713 nv->enode_mac[5] = 0x06 + ha->port_no;
4714
4715 rval = 1;
4716 }
4717
4718 /* Reset Initialization control block */
4719 memset(icb, 0, sizeof(struct init_cb_81xx));
4720
4721 /* Copy 1st segment. */
4722 dptr1 = (uint8_t *)icb;
4723 dptr2 = (uint8_t *)&nv->version;
4724 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4725 while (cnt--)
4726 *dptr1++ = *dptr2++;
4727
4728 icb->login_retry_count = nv->login_retry_count;
4729
4730 /* Copy 2nd segment. */
4731 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4732 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4733 cnt = (uint8_t *)&icb->reserved_5 -
4734 (uint8_t *)&icb->interrupt_delay_timer;
4735 while (cnt--)
4736 *dptr1++ = *dptr2++;
4737
4738 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4739 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4740 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4741 icb->enode_mac[0] = 0x01;
4742 icb->enode_mac[1] = 0x02;
4743 icb->enode_mac[2] = 0x03;
4744 icb->enode_mac[3] = 0x04;
4745 icb->enode_mac[4] = 0x05;
4746 icb->enode_mac[5] = 0x06 + ha->port_no;
4747 }
4748
4749 /* Use extended-initialization control block. */
4750 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4751
4752 /*
4753 * Setup driver NVRAM options.
4754 */
4755 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4756 "QLE81XX");
4757
4758 /* Use alternate WWN? */
4759 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4760 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4761 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4762 }
4763
4764 /* Prepare nodename */
4765 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4766 /*
4767 * Firmware will apply the following mask if the nodename was
4768 * not provided.
4769 */
4770 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4771 icb->node_name[0] &= 0xF0;
4772 }
4773
4774 /* Set host adapter parameters. */
4775 ha->flags.disable_risc_code_load = 0;
4776 ha->flags.enable_lip_reset = 0;
4777 ha->flags.enable_lip_full_login =
4778 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4779 ha->flags.enable_target_reset =
4780 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4781 ha->flags.enable_led_scheme = 0;
4782 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4783
4784 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4785 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4786
4787 /* save HBA serial number */
4788 ha->serial0 = icb->port_name[5];
4789 ha->serial1 = icb->port_name[6];
4790 ha->serial2 = icb->port_name[7];
4791 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4792 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4793
4794 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4795
4796 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4797
4798 /* Set minimum login_timeout to 4 seconds. */
4799 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4800 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4801 if (le16_to_cpu(nv->login_timeout) < 4)
4802 nv->login_timeout = __constant_cpu_to_le16(4);
4803 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4804 icb->login_timeout = nv->login_timeout;
4805
4806 /* Set minimum RATOV to 100 tenths of a second. */
4807 ha->r_a_tov = 100;
4808
4809 ha->loop_reset_delay = nv->reset_delay;
4810
4811 /* Link Down Timeout = 0:
4812 *
4813 * When Port Down timer expires we will start returning
4814 * I/O's to OS with "DID_NO_CONNECT".
4815 *
4816 * Link Down Timeout != 0:
4817 *
4818 * The driver waits for the link to come up after link down
4819 * before returning I/Os to OS with "DID_NO_CONNECT".
4820 */
4821 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4822 ha->loop_down_abort_time =
4823 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4824 } else {
4825 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4826 ha->loop_down_abort_time =
4827 (LOOP_DOWN_TIME - ha->link_down_timeout);
4828 }
4829
4830 /* Need enough time to try and get the port back. */
4831 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4832 if (qlport_down_retry)
4833 ha->port_down_retry_count = qlport_down_retry;
4834
4835 /* Set login_retry_count */
4836 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4837 if (ha->port_down_retry_count ==
4838 le16_to_cpu(nv->port_down_retry_count) &&
4839 ha->port_down_retry_count > 3)
4840 ha->login_retry_count = ha->port_down_retry_count;
4841 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4842 ha->login_retry_count = ha->port_down_retry_count;
4843 if (ql2xloginretrycount)
4844 ha->login_retry_count = ql2xloginretrycount;
4845
4846 /* Enable ZIO. */
4847 if (!vha->flags.init_done) {
4848 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4849 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4850 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4851 le16_to_cpu(icb->interrupt_delay_timer): 2;
4852 }
4853 icb->firmware_options_2 &= __constant_cpu_to_le32(
4854 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4855 vha->flags.process_response_queue = 0;
4856 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4857 ha->zio_mode = QLA_ZIO_MODE_6;
4858
4859 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4860 "(%d us).\n", vha->host_no, ha->zio_mode,
4861 ha->zio_timer * 100));
4862 qla_printk(KERN_INFO, ha,
4863 "ZIO mode %d enabled; timer delay (%d us).\n",
4864 ha->zio_mode, ha->zio_timer * 100);
4865
4866 icb->firmware_options_2 |= cpu_to_le32(
4867 (uint32_t)ha->zio_mode);
4868 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4869 vha->flags.process_response_queue = 1;
4870 }
4871
4872 if (rval) {
4873 DEBUG2_3(printk(KERN_WARNING
4874 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4875 }
4876 return (rval);
4877 }
4878
4879 void
4880 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4881 {
4882 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree