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[SCSI] qla2xxx: suppress uninitialized-var warning
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
... / ...
CommitLineData
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
9#include <linux/delay.h>
10#include <linux/vmalloc.h>
11
12#include "qla_devtbl.h"
13
14#ifdef CONFIG_SPARC
15#include <asm/prom.h>
16#endif
17
18/*
19* QLogic ISP2x00 Hardware Support Function Prototypes.
20*/
21static int qla2x00_isp_firmware(scsi_qla_host_t *);
22static void qla2x00_resize_request_q(scsi_qla_host_t *);
23static int qla2x00_setup_chip(scsi_qla_host_t *);
24static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
25static int qla2x00_init_rings(scsi_qla_host_t *);
26static int qla2x00_fw_ready(scsi_qla_host_t *);
27static int qla2x00_configure_hba(scsi_qla_host_t *);
28static int qla2x00_configure_loop(scsi_qla_host_t *);
29static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30static int qla2x00_configure_fabric(scsi_qla_host_t *);
31static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32static int qla2x00_device_resync(scsi_qla_host_t *);
33static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
35
36static int qla2x00_restart_isp(scsi_qla_host_t *);
37
38static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
39
40static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41static int qla84xx_init_chip(scsi_qla_host_t *);
42
43/****************************************************************************/
44/* QLogic ISP2x00 Hardware Support Functions. */
45/****************************************************************************/
46
47/*
48* qla2x00_initialize_adapter
49* Initialize board.
50*
51* Input:
52* ha = adapter block pointer.
53*
54* Returns:
55* 0 = success
56*/
57int
58qla2x00_initialize_adapter(scsi_qla_host_t *ha)
59{
60 int rval;
61
62 /* Clear adapter flags. */
63 ha->flags.online = 0;
64 ha->flags.reset_active = 0;
65 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
66 atomic_set(&ha->loop_state, LOOP_DOWN);
67 ha->device_flags = DFLG_NO_CABLE;
68 ha->dpc_flags = 0;
69 ha->flags.management_server_logged_in = 0;
70 ha->marker_needed = 0;
71 ha->mbx_flags = 0;
72 ha->isp_abort_cnt = 0;
73 ha->beacon_blink_led = 0;
74 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
75
76 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
77 rval = ha->isp_ops->pci_config(ha);
78 if (rval) {
79 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
80 ha->host_no));
81 return (rval);
82 }
83
84 ha->isp_ops->reset_chip(ha);
85
86 ha->isp_ops->get_flash_version(ha, ha->request_ring);
87
88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
89
90 ha->isp_ops->nvram_config(ha);
91
92 if (ha->flags.disable_serdes) {
93 /* Mask HBA via NVRAM settings? */
94 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
96 ha->port_name[0], ha->port_name[1],
97 ha->port_name[2], ha->port_name[3],
98 ha->port_name[4], ha->port_name[5],
99 ha->port_name[6], ha->port_name[7]);
100 return QLA_FUNCTION_FAILED;
101 }
102
103 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
104
105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
106 rval = ha->isp_ops->chip_diag(ha);
107 if (rval)
108 return (rval);
109 rval = qla2x00_setup_chip(ha);
110 if (rval)
111 return (rval);
112 qla2xxx_get_flash_info(ha);
113 }
114 if (IS_QLA84XX(ha)) {
115 ha->cs84xx = qla84xx_get_chip(ha);
116 if (!ha->cs84xx) {
117 qla_printk(KERN_ERR, ha,
118 "Unable to configure ISP84XX.\n");
119 return QLA_FUNCTION_FAILED;
120 }
121 }
122 rval = qla2x00_init_rings(ha);
123
124 return (rval);
125}
126
127/**
128 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
129 * @ha: HA context
130 *
131 * Returns 0 on success.
132 */
133int
134qla2100_pci_config(scsi_qla_host_t *ha)
135{
136 uint16_t w;
137 uint32_t d;
138 unsigned long flags;
139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
140
141 pci_set_master(ha->pdev);
142 pci_try_set_mwi(ha->pdev);
143
144 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
145 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
146 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
147
148 /* Reset expansion ROM address decode enable */
149 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
150 d &= ~PCI_ROM_ADDRESS_ENABLE;
151 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
152
153 /* Get PCI bus information. */
154 spin_lock_irqsave(&ha->hardware_lock, flags);
155 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
156 spin_unlock_irqrestore(&ha->hardware_lock, flags);
157
158 return QLA_SUCCESS;
159}
160
161/**
162 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
163 * @ha: HA context
164 *
165 * Returns 0 on success.
166 */
167int
168qla2300_pci_config(scsi_qla_host_t *ha)
169{
170 uint16_t w;
171 uint32_t d;
172 unsigned long flags = 0;
173 uint32_t cnt;
174 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
175
176 pci_set_master(ha->pdev);
177 pci_try_set_mwi(ha->pdev);
178
179 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
180 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
181
182 if (IS_QLA2322(ha) || IS_QLA6322(ha))
183 w &= ~PCI_COMMAND_INTX_DISABLE;
184 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
185
186 /*
187 * If this is a 2300 card and not 2312, reset the
188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
189 * the 2310 also reports itself as a 2300 so we need to get the
190 * fb revision level -- a 6 indicates it really is a 2300 and
191 * not a 2310.
192 */
193 if (IS_QLA2300(ha)) {
194 spin_lock_irqsave(&ha->hardware_lock, flags);
195
196 /* Pause RISC. */
197 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
198 for (cnt = 0; cnt < 30000; cnt++) {
199 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
200 break;
201
202 udelay(10);
203 }
204
205 /* Select FPM registers. */
206 WRT_REG_WORD(&reg->ctrl_status, 0x20);
207 RD_REG_WORD(&reg->ctrl_status);
208
209 /* Get the fb rev level */
210 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
211
212 if (ha->fb_rev == FPM_2300)
213 pci_clear_mwi(ha->pdev);
214
215 /* Deselect FPM registers. */
216 WRT_REG_WORD(&reg->ctrl_status, 0x0);
217 RD_REG_WORD(&reg->ctrl_status);
218
219 /* Release RISC module. */
220 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
221 for (cnt = 0; cnt < 30000; cnt++) {
222 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
223 break;
224
225 udelay(10);
226 }
227
228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
229 }
230
231 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
232
233 /* Reset expansion ROM address decode enable */
234 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
235 d &= ~PCI_ROM_ADDRESS_ENABLE;
236 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
237
238 /* Get PCI bus information. */
239 spin_lock_irqsave(&ha->hardware_lock, flags);
240 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
242
243 return QLA_SUCCESS;
244}
245
246/**
247 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
248 * @ha: HA context
249 *
250 * Returns 0 on success.
251 */
252int
253qla24xx_pci_config(scsi_qla_host_t *ha)
254{
255 uint16_t w;
256 uint32_t d;
257 unsigned long flags = 0;
258 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
259
260 pci_set_master(ha->pdev);
261 pci_try_set_mwi(ha->pdev);
262
263 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
264 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
265 w &= ~PCI_COMMAND_INTX_DISABLE;
266 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
267
268 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
269
270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
272 pcix_set_mmrbc(ha->pdev, 2048);
273
274 /* PCIe -- adjust Maximum Read Request Size (2048). */
275 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
276 pcie_set_readrq(ha->pdev, 2048);
277
278 /* Reset expansion ROM address decode enable */
279 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
280 d &= ~PCI_ROM_ADDRESS_ENABLE;
281 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
282
283 ha->chip_revision = ha->pdev->revision;
284
285 /* Get PCI bus information. */
286 spin_lock_irqsave(&ha->hardware_lock, flags);
287 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
288 spin_unlock_irqrestore(&ha->hardware_lock, flags);
289
290 return QLA_SUCCESS;
291}
292
293/**
294 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
295 * @ha: HA context
296 *
297 * Returns 0 on success.
298 */
299int
300qla25xx_pci_config(scsi_qla_host_t *ha)
301{
302 uint16_t w;
303 uint32_t d;
304
305 pci_set_master(ha->pdev);
306 pci_try_set_mwi(ha->pdev);
307
308 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
309 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
310 w &= ~PCI_COMMAND_INTX_DISABLE;
311 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
312
313 /* PCIe -- adjust Maximum Read Request Size (2048). */
314 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
315 pcie_set_readrq(ha->pdev, 2048);
316
317 /* Reset expansion ROM address decode enable */
318 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
319 d &= ~PCI_ROM_ADDRESS_ENABLE;
320 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
321
322 ha->chip_revision = ha->pdev->revision;
323
324 return QLA_SUCCESS;
325}
326
327/**
328 * qla2x00_isp_firmware() - Choose firmware image.
329 * @ha: HA context
330 *
331 * Returns 0 on success.
332 */
333static int
334qla2x00_isp_firmware(scsi_qla_host_t *ha)
335{
336 int rval;
337 uint16_t loop_id, topo, sw_cap;
338 uint8_t domain, area, al_pa;
339
340 /* Assume loading risc code */
341 rval = QLA_FUNCTION_FAILED;
342
343 if (ha->flags.disable_risc_code_load) {
344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
345 ha->host_no));
346 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
347
348 /* Verify checksum of loaded RISC code. */
349 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
350 if (rval == QLA_SUCCESS) {
351 /* And, verify we are not in ROM code. */
352 rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa,
353 &area, &domain, &topo, &sw_cap);
354 }
355 }
356
357 if (rval) {
358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
359 ha->host_no));
360 }
361
362 return (rval);
363}
364
365/**
366 * qla2x00_reset_chip() - Reset ISP chip.
367 * @ha: HA context
368 *
369 * Returns 0 on success.
370 */
371void
372qla2x00_reset_chip(scsi_qla_host_t *ha)
373{
374 unsigned long flags = 0;
375 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
376 uint32_t cnt;
377 uint16_t cmd;
378
379 ha->isp_ops->disable_intrs(ha);
380
381 spin_lock_irqsave(&ha->hardware_lock, flags);
382
383 /* Turn off master enable */
384 cmd = 0;
385 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
386 cmd &= ~PCI_COMMAND_MASTER;
387 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
388
389 if (!IS_QLA2100(ha)) {
390 /* Pause RISC. */
391 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
392 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
393 for (cnt = 0; cnt < 30000; cnt++) {
394 if ((RD_REG_WORD(&reg->hccr) &
395 HCCR_RISC_PAUSE) != 0)
396 break;
397 udelay(100);
398 }
399 } else {
400 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
401 udelay(10);
402 }
403
404 /* Select FPM registers. */
405 WRT_REG_WORD(&reg->ctrl_status, 0x20);
406 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
407
408 /* FPM Soft Reset. */
409 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
410 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
411
412 /* Toggle Fpm Reset. */
413 if (!IS_QLA2200(ha)) {
414 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
415 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
416 }
417
418 /* Select frame buffer registers. */
419 WRT_REG_WORD(&reg->ctrl_status, 0x10);
420 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
421
422 /* Reset frame buffer FIFOs. */
423 if (IS_QLA2200(ha)) {
424 WRT_FB_CMD_REG(ha, reg, 0xa000);
425 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
426 } else {
427 WRT_FB_CMD_REG(ha, reg, 0x00fc);
428
429 /* Read back fb_cmd until zero or 3 seconds max */
430 for (cnt = 0; cnt < 3000; cnt++) {
431 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
432 break;
433 udelay(100);
434 }
435 }
436
437 /* Select RISC module registers. */
438 WRT_REG_WORD(&reg->ctrl_status, 0);
439 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
440
441 /* Reset RISC processor. */
442 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
443 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
444
445 /* Release RISC processor. */
446 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
447 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
448 }
449
450 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
451 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
452
453 /* Reset ISP chip. */
454 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
455
456 /* Wait for RISC to recover from reset. */
457 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
458 /*
459 * It is necessary to for a delay here since the card doesn't
460 * respond to PCI reads during a reset. On some architectures
461 * this will result in an MCA.
462 */
463 udelay(20);
464 for (cnt = 30000; cnt; cnt--) {
465 if ((RD_REG_WORD(&reg->ctrl_status) &
466 CSR_ISP_SOFT_RESET) == 0)
467 break;
468 udelay(100);
469 }
470 } else
471 udelay(10);
472
473 /* Reset RISC processor. */
474 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
475
476 WRT_REG_WORD(&reg->semaphore, 0);
477
478 /* Release RISC processor. */
479 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
480 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
481
482 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
483 for (cnt = 0; cnt < 30000; cnt++) {
484 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
485 break;
486
487 udelay(100);
488 }
489 } else
490 udelay(100);
491
492 /* Turn on master enable */
493 cmd |= PCI_COMMAND_MASTER;
494 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
495
496 /* Disable RISC pause on FPM parity error. */
497 if (!IS_QLA2100(ha)) {
498 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
499 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
500 }
501
502 spin_unlock_irqrestore(&ha->hardware_lock, flags);
503}
504
505/**
506 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
507 * @ha: HA context
508 *
509 * Returns 0 on success.
510 */
511static inline void
512qla24xx_reset_risc(scsi_qla_host_t *ha)
513{
514 int hw_evt = 0;
515 unsigned long flags = 0;
516 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
517 uint32_t cnt, d2;
518 uint16_t wd;
519
520 spin_lock_irqsave(&ha->hardware_lock, flags);
521
522 /* Reset RISC. */
523 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
524 for (cnt = 0; cnt < 30000; cnt++) {
525 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
526 break;
527
528 udelay(10);
529 }
530
531 WRT_REG_DWORD(&reg->ctrl_status,
532 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
533 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
534
535 udelay(100);
536 /* Wait for firmware to complete NVRAM accesses. */
537 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
538 for (cnt = 10000 ; cnt && d2; cnt--) {
539 udelay(5);
540 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
541 barrier();
542 }
543 if (cnt == 0)
544 hw_evt = 1;
545
546 /* Wait for soft-reset to complete. */
547 d2 = RD_REG_DWORD(&reg->ctrl_status);
548 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
549 udelay(5);
550 d2 = RD_REG_DWORD(&reg->ctrl_status);
551 barrier();
552 }
553 if (cnt == 0 || hw_evt)
554 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR,
555 RD_REG_WORD(&reg->mailbox1), RD_REG_WORD(&reg->mailbox2),
556 RD_REG_WORD(&reg->mailbox3));
557
558 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
559 RD_REG_DWORD(&reg->hccr);
560
561 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
562 RD_REG_DWORD(&reg->hccr);
563
564 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
565 RD_REG_DWORD(&reg->hccr);
566
567 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
568 for (cnt = 6000000 ; cnt && d2; cnt--) {
569 udelay(5);
570 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
571 barrier();
572 }
573
574 spin_unlock_irqrestore(&ha->hardware_lock, flags);
575}
576
577/**
578 * qla24xx_reset_chip() - Reset ISP24xx chip.
579 * @ha: HA context
580 *
581 * Returns 0 on success.
582 */
583void
584qla24xx_reset_chip(scsi_qla_host_t *ha)
585{
586 ha->isp_ops->disable_intrs(ha);
587
588 /* Perform RISC reset. */
589 qla24xx_reset_risc(ha);
590}
591
592/**
593 * qla2x00_chip_diag() - Test chip for proper operation.
594 * @ha: HA context
595 *
596 * Returns 0 on success.
597 */
598int
599qla2x00_chip_diag(scsi_qla_host_t *ha)
600{
601 int rval;
602 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
603 unsigned long flags = 0;
604 uint16_t data;
605 uint32_t cnt;
606 uint16_t mb[5];
607
608 /* Assume a failed state */
609 rval = QLA_FUNCTION_FAILED;
610
611 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
612 ha->host_no, (u_long)&reg->flash_address));
613
614 spin_lock_irqsave(&ha->hardware_lock, flags);
615
616 /* Reset ISP chip. */
617 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
618
619 /*
620 * We need to have a delay here since the card will not respond while
621 * in reset causing an MCA on some architectures.
622 */
623 udelay(20);
624 data = qla2x00_debounce_register(&reg->ctrl_status);
625 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
626 udelay(5);
627 data = RD_REG_WORD(&reg->ctrl_status);
628 barrier();
629 }
630
631 if (!cnt)
632 goto chip_diag_failed;
633
634 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
635 ha->host_no));
636
637 /* Reset RISC processor. */
638 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
639 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
640
641 /* Workaround for QLA2312 PCI parity error */
642 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
643 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
644 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
645 udelay(5);
646 data = RD_MAILBOX_REG(ha, reg, 0);
647 barrier();
648 }
649 } else
650 udelay(10);
651
652 if (!cnt)
653 goto chip_diag_failed;
654
655 /* Check product ID of chip */
656 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
657
658 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
659 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
660 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
661 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
662 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
663 mb[3] != PROD_ID_3) {
664 qla_printk(KERN_WARNING, ha,
665 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
666
667 goto chip_diag_failed;
668 }
669 ha->product_id[0] = mb[1];
670 ha->product_id[1] = mb[2];
671 ha->product_id[2] = mb[3];
672 ha->product_id[3] = mb[4];
673
674 /* Adjust fw RISC transfer size */
675 if (ha->request_q_length > 1024)
676 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
677 else
678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
679 ha->request_q_length;
680
681 if (IS_QLA2200(ha) &&
682 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
683 /* Limit firmware transfer size with a 2200A */
684 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
685 ha->host_no));
686
687 ha->device_type |= DT_ISP2200A;
688 ha->fw_transfer_size = 128;
689 }
690
691 /* Wrap Incoming Mailboxes Test. */
692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693
694 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
695 rval = qla2x00_mbx_reg_test(ha);
696 if (rval) {
697 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
698 ha->host_no));
699 qla_printk(KERN_WARNING, ha,
700 "Failed mailbox send register test\n");
701 }
702 else {
703 /* Flag a successful rval */
704 rval = QLA_SUCCESS;
705 }
706 spin_lock_irqsave(&ha->hardware_lock, flags);
707
708chip_diag_failed:
709 if (rval)
710 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
711 "****\n", ha->host_no));
712
713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
714
715 return (rval);
716}
717
718/**
719 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
720 * @ha: HA context
721 *
722 * Returns 0 on success.
723 */
724int
725qla24xx_chip_diag(scsi_qla_host_t *ha)
726{
727 int rval;
728
729 /* Perform RISC reset. */
730 qla24xx_reset_risc(ha);
731
732 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * ha->request_q_length;
733
734 rval = qla2x00_mbx_reg_test(ha);
735 if (rval) {
736 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
737 ha->host_no));
738 qla_printk(KERN_WARNING, ha,
739 "Failed mailbox send register test\n");
740 } else {
741 /* Flag a successful rval */
742 rval = QLA_SUCCESS;
743 }
744
745 return rval;
746}
747
748void
749qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
750{
751 int rval;
752 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
753 eft_size, fce_size;
754 dma_addr_t tc_dma;
755 void *tc;
756
757 if (ha->fw_dump) {
758 qla_printk(KERN_WARNING, ha,
759 "Firmware dump previously allocated.\n");
760 return;
761 }
762
763 ha->fw_dumped = 0;
764 fixed_size = mem_size = eft_size = fce_size = 0;
765 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
766 fixed_size = sizeof(struct qla2100_fw_dump);
767 } else if (IS_QLA23XX(ha)) {
768 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
769 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
770 sizeof(uint16_t);
771 } else if (IS_FWI2_CAPABLE(ha)) {
772 fixed_size = IS_QLA25XX(ha) ?
773 offsetof(struct qla25xx_fw_dump, ext_mem):
774 offsetof(struct qla24xx_fw_dump, ext_mem);
775 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
776 sizeof(uint32_t);
777
778 /* Allocate memory for Fibre Channel Event Buffer. */
779 if (!IS_QLA25XX(ha))
780 goto try_eft;
781
782 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
783 GFP_KERNEL);
784 if (!tc) {
785 qla_printk(KERN_WARNING, ha, "Unable to allocate "
786 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
787 goto try_eft;
788 }
789
790 memset(tc, 0, FCE_SIZE);
791 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
792 ha->fce_mb, &ha->fce_bufs);
793 if (rval) {
794 qla_printk(KERN_WARNING, ha, "Unable to initialize "
795 "FCE (%d).\n", rval);
796 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
797 tc_dma);
798 ha->flags.fce_enabled = 0;
799 goto try_eft;
800 }
801
802 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
803 FCE_SIZE / 1024);
804
805 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
806 ha->flags.fce_enabled = 1;
807 ha->fce_dma = tc_dma;
808 ha->fce = tc;
809try_eft:
810 /* Allocate memory for Extended Trace Buffer. */
811 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
812 GFP_KERNEL);
813 if (!tc) {
814 qla_printk(KERN_WARNING, ha, "Unable to allocate "
815 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
816 goto cont_alloc;
817 }
818
819 memset(tc, 0, EFT_SIZE);
820 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
821 if (rval) {
822 qla_printk(KERN_WARNING, ha, "Unable to initialize "
823 "EFT (%d).\n", rval);
824 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
825 tc_dma);
826 goto cont_alloc;
827 }
828
829 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
830 EFT_SIZE / 1024);
831
832 eft_size = EFT_SIZE;
833 ha->eft_dma = tc_dma;
834 ha->eft = tc;
835 }
836cont_alloc:
837 req_q_size = ha->request_q_length * sizeof(request_t);
838 rsp_q_size = ha->response_q_length * sizeof(response_t);
839
840 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
841 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
842 eft_size + fce_size;
843
844 ha->fw_dump = vmalloc(dump_size);
845 if (!ha->fw_dump) {
846 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
847 "firmware dump!!!\n", dump_size / 1024);
848
849 if (ha->eft) {
850 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
851 ha->eft_dma);
852 ha->eft = NULL;
853 ha->eft_dma = 0;
854 }
855 return;
856 }
857
858 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
859 dump_size / 1024);
860
861 ha->fw_dump_len = dump_size;
862 ha->fw_dump->signature[0] = 'Q';
863 ha->fw_dump->signature[1] = 'L';
864 ha->fw_dump->signature[2] = 'G';
865 ha->fw_dump->signature[3] = 'C';
866 ha->fw_dump->version = __constant_htonl(1);
867
868 ha->fw_dump->fixed_size = htonl(fixed_size);
869 ha->fw_dump->mem_size = htonl(mem_size);
870 ha->fw_dump->req_q_size = htonl(req_q_size);
871 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
872
873 ha->fw_dump->eft_size = htonl(eft_size);
874 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
875 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
876
877 ha->fw_dump->header_size =
878 htonl(offsetof(struct qla2xxx_fw_dump, isp));
879}
880
881/**
882 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
883 * @ha: HA context
884 *
885 * Returns 0 on success.
886 */
887static void
888qla2x00_resize_request_q(scsi_qla_host_t *ha)
889{
890 int rval;
891 uint16_t fw_iocb_cnt = 0;
892 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
893 dma_addr_t request_dma;
894 request_t *request_ring;
895
896 /* Valid only on recent ISPs. */
897 if (IS_QLA2100(ha) || IS_QLA2200(ha))
898 return;
899
900 /* Retrieve IOCB counts available to the firmware. */
901 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
902 &ha->max_npiv_vports);
903 if (rval)
904 return;
905 /* No point in continuing if current settings are sufficient. */
906 if (fw_iocb_cnt < 1024)
907 return;
908 if (ha->request_q_length >= request_q_length)
909 return;
910
911 /* Attempt to claim larger area for request queue. */
912 request_ring = dma_alloc_coherent(&ha->pdev->dev,
913 (request_q_length + 1) * sizeof(request_t), &request_dma,
914 GFP_KERNEL);
915 if (request_ring == NULL)
916 return;
917
918 /* Resize successful, report extensions. */
919 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
920 (ha->fw_memory_size + 1) / 1024);
921 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
922 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
923
924 /* Clear old allocations. */
925 dma_free_coherent(&ha->pdev->dev,
926 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
927 ha->request_dma);
928
929 /* Begin using larger queue. */
930 ha->request_q_length = request_q_length;
931 ha->request_ring = request_ring;
932 ha->request_dma = request_dma;
933}
934
935/**
936 * qla2x00_setup_chip() - Load and start RISC firmware.
937 * @ha: HA context
938 *
939 * Returns 0 on success.
940 */
941static int
942qla2x00_setup_chip(scsi_qla_host_t *ha)
943{
944 int rval;
945 uint32_t srisc_address = 0;
946 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
947 unsigned long flags;
948
949 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
950 /* Disable SRAM, Instruction RAM and GP RAM parity. */
951 spin_lock_irqsave(&ha->hardware_lock, flags);
952 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
953 RD_REG_WORD(&reg->hccr);
954 spin_unlock_irqrestore(&ha->hardware_lock, flags);
955 }
956
957 /* Load firmware sequences */
958 rval = ha->isp_ops->load_risc(ha, &srisc_address);
959 if (rval == QLA_SUCCESS) {
960 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
961 "code.\n", ha->host_no));
962
963 rval = qla2x00_verify_checksum(ha, srisc_address);
964 if (rval == QLA_SUCCESS) {
965 /* Start firmware execution. */
966 DEBUG(printk("scsi(%ld): Checksum OK, start "
967 "firmware.\n", ha->host_no));
968
969 rval = qla2x00_execute_fw(ha, srisc_address);
970 /* Retrieve firmware information. */
971 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
972 qla2x00_get_fw_version(ha,
973 &ha->fw_major_version,
974 &ha->fw_minor_version,
975 &ha->fw_subminor_version,
976 &ha->fw_attributes, &ha->fw_memory_size);
977 qla2x00_resize_request_q(ha);
978 ha->flags.npiv_supported = 0;
979 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
980 (ha->fw_attributes & BIT_2)) {
981 ha->flags.npiv_supported = 1;
982 if ((!ha->max_npiv_vports) ||
983 ((ha->max_npiv_vports + 1) %
984 MIN_MULTI_ID_FABRIC))
985 ha->max_npiv_vports =
986 MIN_MULTI_ID_FABRIC - 1;
987 }
988
989 if (ql2xallocfwdump)
990 qla2x00_alloc_fw_dump(ha);
991 }
992 } else {
993 DEBUG2(printk(KERN_INFO
994 "scsi(%ld): ISP Firmware failed checksum.\n",
995 ha->host_no));
996 }
997 }
998
999 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1000 /* Enable proper parity. */
1001 spin_lock_irqsave(&ha->hardware_lock, flags);
1002 if (IS_QLA2300(ha))
1003 /* SRAM parity */
1004 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1005 else
1006 /* SRAM, Instruction RAM and GP RAM parity */
1007 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1008 RD_REG_WORD(&reg->hccr);
1009 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1010 }
1011
1012 if (rval) {
1013 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1014 ha->host_no));
1015 }
1016
1017 return (rval);
1018}
1019
1020/**
1021 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1022 * @ha: HA context
1023 *
1024 * Beginning of request ring has initialization control block already built
1025 * by nvram config routine.
1026 *
1027 * Returns 0 on success.
1028 */
1029static void
1030qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1031{
1032 uint16_t cnt;
1033 response_t *pkt;
1034
1035 pkt = ha->response_ring_ptr;
1036 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1037 pkt->signature = RESPONSE_PROCESSED;
1038 pkt++;
1039 }
1040
1041}
1042
1043/**
1044 * qla2x00_update_fw_options() - Read and process firmware options.
1045 * @ha: HA context
1046 *
1047 * Returns 0 on success.
1048 */
1049void
1050qla2x00_update_fw_options(scsi_qla_host_t *ha)
1051{
1052 uint16_t swing, emphasis, tx_sens, rx_sens;
1053
1054 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1055 qla2x00_get_fw_options(ha, ha->fw_options);
1056
1057 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1058 return;
1059
1060 /* Serial Link options. */
1061 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1062 ha->host_no));
1063 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1064 sizeof(ha->fw_seriallink_options)));
1065
1066 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1067 if (ha->fw_seriallink_options[3] & BIT_2) {
1068 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1069
1070 /* 1G settings */
1071 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1072 emphasis = (ha->fw_seriallink_options[2] &
1073 (BIT_4 | BIT_3)) >> 3;
1074 tx_sens = ha->fw_seriallink_options[0] &
1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1076 rx_sens = (ha->fw_seriallink_options[0] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1080 if (rx_sens == 0x0)
1081 rx_sens = 0x3;
1082 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[10] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087
1088 /* 2G settings */
1089 swing = (ha->fw_seriallink_options[2] &
1090 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1091 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1092 tx_sens = ha->fw_seriallink_options[1] &
1093 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1094 rx_sens = (ha->fw_seriallink_options[1] &
1095 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1096 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1097 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1098 if (rx_sens == 0x0)
1099 rx_sens = 0x3;
1100 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1101 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1102 ha->fw_options[11] |= BIT_5 |
1103 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1104 (tx_sens & (BIT_1 | BIT_0));
1105 }
1106
1107 /* FCP2 options. */
1108 /* Return command IOCBs without waiting for an ABTS to complete. */
1109 ha->fw_options[3] |= BIT_13;
1110
1111 /* LED scheme. */
1112 if (ha->flags.enable_led_scheme)
1113 ha->fw_options[2] |= BIT_12;
1114
1115 /* Detect ISP6312. */
1116 if (IS_QLA6312(ha))
1117 ha->fw_options[2] |= BIT_13;
1118
1119 /* Update firmware options. */
1120 qla2x00_set_fw_options(ha, ha->fw_options);
1121}
1122
1123void
1124qla24xx_update_fw_options(scsi_qla_host_t *ha)
1125{
1126 int rval;
1127
1128 /* Update Serial Link options. */
1129 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1130 return;
1131
1132 rval = qla2x00_set_serdes_params(ha,
1133 le16_to_cpu(ha->fw_seriallink_options24[1]),
1134 le16_to_cpu(ha->fw_seriallink_options24[2]),
1135 le16_to_cpu(ha->fw_seriallink_options24[3]));
1136 if (rval != QLA_SUCCESS) {
1137 qla_printk(KERN_WARNING, ha,
1138 "Unable to update Serial Link options (%x).\n", rval);
1139 }
1140}
1141
1142void
1143qla2x00_config_rings(struct scsi_qla_host *ha)
1144{
1145 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1146
1147 /* Setup ring parameters in initialization control block. */
1148 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1149 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1150 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1151 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1152 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1153 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1154 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1155 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1156
1157 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1158 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1159 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1160 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1161 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1162}
1163
1164void
1165qla24xx_config_rings(struct scsi_qla_host *ha)
1166{
1167 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1168 struct init_cb_24xx *icb;
1169
1170 /* Setup ring parameters in initialization control block. */
1171 icb = (struct init_cb_24xx *)ha->init_cb;
1172 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1173 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1174 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1175 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1176 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1177 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1178 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1179 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1180
1181 WRT_REG_DWORD(&reg->req_q_in, 0);
1182 WRT_REG_DWORD(&reg->req_q_out, 0);
1183 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1184 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1185 RD_REG_DWORD(&reg->rsp_q_out);
1186}
1187
1188/**
1189 * qla2x00_init_rings() - Initializes firmware.
1190 * @ha: HA context
1191 *
1192 * Beginning of request ring has initialization control block already built
1193 * by nvram config routine.
1194 *
1195 * Returns 0 on success.
1196 */
1197static int
1198qla2x00_init_rings(scsi_qla_host_t *ha)
1199{
1200 int rval;
1201 unsigned long flags = 0;
1202 int cnt;
1203 struct mid_init_cb_24xx *mid_init_cb =
1204 (struct mid_init_cb_24xx *) ha->init_cb;
1205
1206 spin_lock_irqsave(&ha->hardware_lock, flags);
1207
1208 /* Clear outstanding commands array. */
1209 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1210 ha->outstanding_cmds[cnt] = NULL;
1211
1212 ha->current_outstanding_cmd = 0;
1213
1214 /* Clear RSCN queue. */
1215 ha->rscn_in_ptr = 0;
1216 ha->rscn_out_ptr = 0;
1217
1218 /* Initialize firmware. */
1219 ha->request_ring_ptr = ha->request_ring;
1220 ha->req_ring_index = 0;
1221 ha->req_q_cnt = ha->request_q_length;
1222 ha->response_ring_ptr = ha->response_ring;
1223 ha->rsp_ring_index = 0;
1224
1225 /* Initialize response queue entries */
1226 qla2x00_init_response_q_entries(ha);
1227
1228 ha->isp_ops->config_rings(ha);
1229
1230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1231
1232 /* Update any ISP specific firmware options before initialization. */
1233 ha->isp_ops->update_fw_options(ha);
1234
1235 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1236
1237 if (ha->flags.npiv_supported)
1238 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1239
1240 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1241
1242 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1243 if (rval) {
1244 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1245 ha->host_no));
1246 } else {
1247 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1248 ha->host_no));
1249 }
1250
1251 return (rval);
1252}
1253
1254/**
1255 * qla2x00_fw_ready() - Waits for firmware ready.
1256 * @ha: HA context
1257 *
1258 * Returns 0 on success.
1259 */
1260static int
1261qla2x00_fw_ready(scsi_qla_host_t *ha)
1262{
1263 int rval;
1264 unsigned long wtime, mtime, cs84xx_time;
1265 uint16_t min_wait; /* Minimum wait time if loop is down */
1266 uint16_t wait_time; /* Wait time if loop is coming ready */
1267 uint16_t state[3];
1268
1269 rval = QLA_SUCCESS;
1270
1271 /* 20 seconds for loop down. */
1272 min_wait = 20;
1273
1274 /*
1275 * Firmware should take at most one RATOV to login, plus 5 seconds for
1276 * our own processing.
1277 */
1278 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1279 wait_time = min_wait;
1280 }
1281
1282 /* Min wait time if loop down */
1283 mtime = jiffies + (min_wait * HZ);
1284
1285 /* wait time before firmware ready */
1286 wtime = jiffies + (wait_time * HZ);
1287
1288 /* Wait for ISP to finish LIP */
1289 if (!ha->flags.init_done)
1290 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1291
1292 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1293 ha->host_no));
1294
1295 do {
1296 rval = qla2x00_get_firmware_state(ha, state);
1297 if (rval == QLA_SUCCESS) {
1298 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1299 ha->device_flags &= ~DFLG_NO_CABLE;
1300 }
1301 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1302 DEBUG16(printk("scsi(%ld): fw_state=%x "
1303 "84xx=%x.\n", ha->host_no, state[0],
1304 state[2]));
1305 if ((state[2] & FSTATE_LOGGED_IN) &&
1306 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1307 DEBUG16(printk("scsi(%ld): Sending "
1308 "verify iocb.\n", ha->host_no));
1309
1310 cs84xx_time = jiffies;
1311 rval = qla84xx_init_chip(ha);
1312 if (rval != QLA_SUCCESS)
1313 break;
1314
1315 /* Add time taken to initialize. */
1316 cs84xx_time = jiffies - cs84xx_time;
1317 wtime += cs84xx_time;
1318 mtime += cs84xx_time;
1319 DEBUG16(printk("scsi(%ld): Increasing "
1320 "wait time by %ld. New time %ld\n",
1321 ha->host_no, cs84xx_time, wtime));
1322 }
1323 } else if (state[0] == FSTATE_READY) {
1324 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1325 ha->host_no));
1326
1327 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1328 &ha->login_timeout, &ha->r_a_tov);
1329
1330 rval = QLA_SUCCESS;
1331 break;
1332 }
1333
1334 rval = QLA_FUNCTION_FAILED;
1335
1336 if (atomic_read(&ha->loop_down_timer) &&
1337 state[0] != FSTATE_READY) {
1338 /* Loop down. Timeout on min_wait for states
1339 * other than Wait for Login.
1340 */
1341 if (time_after_eq(jiffies, mtime)) {
1342 qla_printk(KERN_INFO, ha,
1343 "Cable is unplugged...\n");
1344
1345 ha->device_flags |= DFLG_NO_CABLE;
1346 break;
1347 }
1348 }
1349 } else {
1350 /* Mailbox cmd failed. Timeout on min_wait. */
1351 if (time_after_eq(jiffies, mtime))
1352 break;
1353 }
1354
1355 if (time_after_eq(jiffies, wtime))
1356 break;
1357
1358 /* Delay for a while */
1359 msleep(500);
1360
1361 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1362 ha->host_no, state[0], jiffies));
1363 } while (1);
1364
1365 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1366 ha->host_no, state[0], jiffies));
1367
1368 if (rval) {
1369 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1370 ha->host_no));
1371 }
1372
1373 return (rval);
1374}
1375
1376/*
1377* qla2x00_configure_hba
1378* Setup adapter context.
1379*
1380* Input:
1381* ha = adapter state pointer.
1382*
1383* Returns:
1384* 0 = success
1385*
1386* Context:
1387* Kernel context.
1388*/
1389static int
1390qla2x00_configure_hba(scsi_qla_host_t *ha)
1391{
1392 int rval;
1393 uint16_t loop_id;
1394 uint16_t topo;
1395 uint16_t sw_cap;
1396 uint8_t al_pa;
1397 uint8_t area;
1398 uint8_t domain;
1399 char connect_type[22];
1400
1401 /* Get host addresses. */
1402 rval = qla2x00_get_adapter_id(ha,
1403 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1404 if (rval != QLA_SUCCESS) {
1405 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1406 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1407 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1408 __func__, ha->host_no));
1409 } else {
1410 qla_printk(KERN_WARNING, ha,
1411 "ERROR -- Unable to get host loop ID.\n");
1412 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1413 }
1414 return (rval);
1415 }
1416
1417 if (topo == 4) {
1418 qla_printk(KERN_INFO, ha,
1419 "Cannot get topology - retrying.\n");
1420 return (QLA_FUNCTION_FAILED);
1421 }
1422
1423 ha->loop_id = loop_id;
1424
1425 /* initialize */
1426 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1427 ha->operating_mode = LOOP;
1428 ha->switch_cap = 0;
1429
1430 switch (topo) {
1431 case 0:
1432 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1433 ha->host_no));
1434 ha->current_topology = ISP_CFG_NL;
1435 strcpy(connect_type, "(Loop)");
1436 break;
1437
1438 case 1:
1439 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1440 ha->host_no));
1441 ha->switch_cap = sw_cap;
1442 ha->current_topology = ISP_CFG_FL;
1443 strcpy(connect_type, "(FL_Port)");
1444 break;
1445
1446 case 2:
1447 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1448 ha->host_no));
1449 ha->operating_mode = P2P;
1450 ha->current_topology = ISP_CFG_N;
1451 strcpy(connect_type, "(N_Port-to-N_Port)");
1452 break;
1453
1454 case 3:
1455 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1456 ha->host_no));
1457 ha->switch_cap = sw_cap;
1458 ha->operating_mode = P2P;
1459 ha->current_topology = ISP_CFG_F;
1460 strcpy(connect_type, "(F_Port)");
1461 break;
1462
1463 default:
1464 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1465 "Using NL.\n",
1466 ha->host_no, topo));
1467 ha->current_topology = ISP_CFG_NL;
1468 strcpy(connect_type, "(Loop)");
1469 break;
1470 }
1471
1472 /* Save Host port and loop ID. */
1473 /* byte order - Big Endian */
1474 ha->d_id.b.domain = domain;
1475 ha->d_id.b.area = area;
1476 ha->d_id.b.al_pa = al_pa;
1477
1478 if (!ha->flags.init_done)
1479 qla_printk(KERN_INFO, ha,
1480 "Topology - %s, Host Loop address 0x%x\n",
1481 connect_type, ha->loop_id);
1482
1483 if (rval) {
1484 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1485 } else {
1486 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1487 }
1488
1489 return(rval);
1490}
1491
1492static inline void
1493qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1494{
1495 char *st, *en;
1496 uint16_t index;
1497
1498 if (memcmp(model, BINZERO, len) != 0) {
1499 strncpy(ha->model_number, model, len);
1500 st = en = ha->model_number;
1501 en += len - 1;
1502 while (en > st) {
1503 if (*en != 0x20 && *en != 0x00)
1504 break;
1505 *en-- = '\0';
1506 }
1507
1508 index = (ha->pdev->subsystem_device & 0xff);
1509 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1510 index < QLA_MODEL_NAMES)
1511 strncpy(ha->model_desc,
1512 qla2x00_model_name[index * 2 + 1],
1513 sizeof(ha->model_desc) - 1);
1514 } else {
1515 index = (ha->pdev->subsystem_device & 0xff);
1516 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1517 index < QLA_MODEL_NAMES) {
1518 strcpy(ha->model_number,
1519 qla2x00_model_name[index * 2]);
1520 strncpy(ha->model_desc,
1521 qla2x00_model_name[index * 2 + 1],
1522 sizeof(ha->model_desc) - 1);
1523 } else {
1524 strcpy(ha->model_number, def);
1525 }
1526 }
1527 if (IS_FWI2_CAPABLE(ha))
1528 qla2xxx_get_vpd_field(ha, "\x82", ha->model_desc,
1529 sizeof(ha->model_desc));
1530}
1531
1532/* On sparc systems, obtain port and node WWN from firmware
1533 * properties.
1534 */
1535static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1536{
1537#ifdef CONFIG_SPARC
1538 struct pci_dev *pdev = ha->pdev;
1539 struct device_node *dp = pci_device_to_OF_node(pdev);
1540 const u8 *val;
1541 int len;
1542
1543 val = of_get_property(dp, "port-wwn", &len);
1544 if (val && len >= WWN_SIZE)
1545 memcpy(nv->port_name, val, WWN_SIZE);
1546
1547 val = of_get_property(dp, "node-wwn", &len);
1548 if (val && len >= WWN_SIZE)
1549 memcpy(nv->node_name, val, WWN_SIZE);
1550#endif
1551}
1552
1553/*
1554* NVRAM configuration for ISP 2xxx
1555*
1556* Input:
1557* ha = adapter block pointer.
1558*
1559* Output:
1560* initialization control block in response_ring
1561* host adapters parameters in host adapter block
1562*
1563* Returns:
1564* 0 = success.
1565*/
1566int
1567qla2x00_nvram_config(scsi_qla_host_t *ha)
1568{
1569 int rval;
1570 uint8_t chksum = 0;
1571 uint16_t cnt;
1572 uint8_t *dptr1, *dptr2;
1573 init_cb_t *icb = ha->init_cb;
1574 nvram_t *nv = ha->nvram;
1575 uint8_t *ptr = ha->nvram;
1576 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1577
1578 rval = QLA_SUCCESS;
1579
1580 /* Determine NVRAM starting address. */
1581 ha->nvram_size = sizeof(nvram_t);
1582 ha->nvram_base = 0;
1583 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1584 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1585 ha->nvram_base = 0x80;
1586
1587 /* Get NVRAM data and calculate checksum. */
1588 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1589 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1590 chksum += *ptr++;
1591
1592 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1593 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1594
1595 /* Bad NVRAM data, set defaults parameters. */
1596 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1597 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1598 /* Reset NVRAM data. */
1599 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1600 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1601 nv->nvram_version);
1602 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1603 "invalid -- WWPN) defaults.\n");
1604
1605 if (chksum)
1606 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0,
1607 MSW(chksum), LSW(chksum));
1608
1609 /*
1610 * Set default initialization control block.
1611 */
1612 memset(nv, 0, ha->nvram_size);
1613 nv->parameter_block_version = ICB_VERSION;
1614
1615 if (IS_QLA23XX(ha)) {
1616 nv->firmware_options[0] = BIT_2 | BIT_1;
1617 nv->firmware_options[1] = BIT_7 | BIT_5;
1618 nv->add_firmware_options[0] = BIT_5;
1619 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1620 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1621 nv->special_options[1] = BIT_7;
1622 } else if (IS_QLA2200(ha)) {
1623 nv->firmware_options[0] = BIT_2 | BIT_1;
1624 nv->firmware_options[1] = BIT_7 | BIT_5;
1625 nv->add_firmware_options[0] = BIT_5;
1626 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1627 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1628 } else if (IS_QLA2100(ha)) {
1629 nv->firmware_options[0] = BIT_3 | BIT_1;
1630 nv->firmware_options[1] = BIT_5;
1631 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1632 }
1633
1634 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1635 nv->execution_throttle = __constant_cpu_to_le16(16);
1636 nv->retry_count = 8;
1637 nv->retry_delay = 1;
1638
1639 nv->port_name[0] = 33;
1640 nv->port_name[3] = 224;
1641 nv->port_name[4] = 139;
1642
1643 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1644
1645 nv->login_timeout = 4;
1646
1647 /*
1648 * Set default host adapter parameters
1649 */
1650 nv->host_p[1] = BIT_2;
1651 nv->reset_delay = 5;
1652 nv->port_down_retry_count = 8;
1653 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1654 nv->link_down_timeout = 60;
1655
1656 rval = 1;
1657 }
1658
1659#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1660 /*
1661 * The SN2 does not provide BIOS emulation which means you can't change
1662 * potentially bogus BIOS settings. Force the use of default settings
1663 * for link rate and frame size. Hope that the rest of the settings
1664 * are valid.
1665 */
1666 if (ia64_platform_is("sn2")) {
1667 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1668 if (IS_QLA23XX(ha))
1669 nv->special_options[1] = BIT_7;
1670 }
1671#endif
1672
1673 /* Reset Initialization control block */
1674 memset(icb, 0, ha->init_cb_size);
1675
1676 /*
1677 * Setup driver NVRAM options.
1678 */
1679 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1680 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1681 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1682 nv->firmware_options[1] &= ~BIT_4;
1683
1684 if (IS_QLA23XX(ha)) {
1685 nv->firmware_options[0] |= BIT_2;
1686 nv->firmware_options[0] &= ~BIT_3;
1687 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1688
1689 if (IS_QLA2300(ha)) {
1690 if (ha->fb_rev == FPM_2310) {
1691 strcpy(ha->model_number, "QLA2310");
1692 } else {
1693 strcpy(ha->model_number, "QLA2300");
1694 }
1695 } else {
1696 qla2x00_set_model_info(ha, nv->model_number,
1697 sizeof(nv->model_number), "QLA23xx");
1698 }
1699 } else if (IS_QLA2200(ha)) {
1700 nv->firmware_options[0] |= BIT_2;
1701 /*
1702 * 'Point-to-point preferred, else loop' is not a safe
1703 * connection mode setting.
1704 */
1705 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1706 (BIT_5 | BIT_4)) {
1707 /* Force 'loop preferred, else point-to-point'. */
1708 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1709 nv->add_firmware_options[0] |= BIT_5;
1710 }
1711 strcpy(ha->model_number, "QLA22xx");
1712 } else /*if (IS_QLA2100(ha))*/ {
1713 strcpy(ha->model_number, "QLA2100");
1714 }
1715
1716 /*
1717 * Copy over NVRAM RISC parameter block to initialization control block.
1718 */
1719 dptr1 = (uint8_t *)icb;
1720 dptr2 = (uint8_t *)&nv->parameter_block_version;
1721 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1722 while (cnt--)
1723 *dptr1++ = *dptr2++;
1724
1725 /* Copy 2nd half. */
1726 dptr1 = (uint8_t *)icb->add_firmware_options;
1727 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1728 while (cnt--)
1729 *dptr1++ = *dptr2++;
1730
1731 /* Use alternate WWN? */
1732 if (nv->host_p[1] & BIT_7) {
1733 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1734 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1735 }
1736
1737 /* Prepare nodename */
1738 if ((icb->firmware_options[1] & BIT_6) == 0) {
1739 /*
1740 * Firmware will apply the following mask if the nodename was
1741 * not provided.
1742 */
1743 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1744 icb->node_name[0] &= 0xF0;
1745 }
1746
1747 /*
1748 * Set host adapter parameters.
1749 */
1750 if (nv->host_p[0] & BIT_7)
1751 ql2xextended_error_logging = 1;
1752 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1753 /* Always load RISC code on non ISP2[12]00 chips. */
1754 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1755 ha->flags.disable_risc_code_load = 0;
1756 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1757 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1758 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1759 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1760 ha->flags.disable_serdes = 0;
1761
1762 ha->operating_mode =
1763 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1764
1765 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1766 sizeof(ha->fw_seriallink_options));
1767
1768 /* save HBA serial number */
1769 ha->serial0 = icb->port_name[5];
1770 ha->serial1 = icb->port_name[6];
1771 ha->serial2 = icb->port_name[7];
1772 ha->node_name = icb->node_name;
1773 ha->port_name = icb->port_name;
1774
1775 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1776
1777 ha->retry_count = nv->retry_count;
1778
1779 /* Set minimum login_timeout to 4 seconds. */
1780 if (nv->login_timeout < ql2xlogintimeout)
1781 nv->login_timeout = ql2xlogintimeout;
1782 if (nv->login_timeout < 4)
1783 nv->login_timeout = 4;
1784 ha->login_timeout = nv->login_timeout;
1785 icb->login_timeout = nv->login_timeout;
1786
1787 /* Set minimum RATOV to 100 tenths of a second. */
1788 ha->r_a_tov = 100;
1789
1790 ha->loop_reset_delay = nv->reset_delay;
1791
1792 /* Link Down Timeout = 0:
1793 *
1794 * When Port Down timer expires we will start returning
1795 * I/O's to OS with "DID_NO_CONNECT".
1796 *
1797 * Link Down Timeout != 0:
1798 *
1799 * The driver waits for the link to come up after link down
1800 * before returning I/Os to OS with "DID_NO_CONNECT".
1801 */
1802 if (nv->link_down_timeout == 0) {
1803 ha->loop_down_abort_time =
1804 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1805 } else {
1806 ha->link_down_timeout = nv->link_down_timeout;
1807 ha->loop_down_abort_time =
1808 (LOOP_DOWN_TIME - ha->link_down_timeout);
1809 }
1810
1811 /*
1812 * Need enough time to try and get the port back.
1813 */
1814 ha->port_down_retry_count = nv->port_down_retry_count;
1815 if (qlport_down_retry)
1816 ha->port_down_retry_count = qlport_down_retry;
1817 /* Set login_retry_count */
1818 ha->login_retry_count = nv->retry_count;
1819 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1820 ha->port_down_retry_count > 3)
1821 ha->login_retry_count = ha->port_down_retry_count;
1822 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1823 ha->login_retry_count = ha->port_down_retry_count;
1824 if (ql2xloginretrycount)
1825 ha->login_retry_count = ql2xloginretrycount;
1826
1827 icb->lun_enables = __constant_cpu_to_le16(0);
1828 icb->command_resource_count = 0;
1829 icb->immediate_notify_resource_count = 0;
1830 icb->timeout = __constant_cpu_to_le16(0);
1831
1832 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1833 /* Enable RIO */
1834 icb->firmware_options[0] &= ~BIT_3;
1835 icb->add_firmware_options[0] &=
1836 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1837 icb->add_firmware_options[0] |= BIT_2;
1838 icb->response_accumulation_timer = 3;
1839 icb->interrupt_delay_timer = 5;
1840
1841 ha->flags.process_response_queue = 1;
1842 } else {
1843 /* Enable ZIO. */
1844 if (!ha->flags.init_done) {
1845 ha->zio_mode = icb->add_firmware_options[0] &
1846 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1847 ha->zio_timer = icb->interrupt_delay_timer ?
1848 icb->interrupt_delay_timer: 2;
1849 }
1850 icb->add_firmware_options[0] &=
1851 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1852 ha->flags.process_response_queue = 0;
1853 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1854 ha->zio_mode = QLA_ZIO_MODE_6;
1855
1856 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1857 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1858 ha->zio_timer * 100));
1859 qla_printk(KERN_INFO, ha,
1860 "ZIO mode %d enabled; timer delay (%d us).\n",
1861 ha->zio_mode, ha->zio_timer * 100);
1862
1863 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1864 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1865 ha->flags.process_response_queue = 1;
1866 }
1867 }
1868
1869 if (rval) {
1870 DEBUG2_3(printk(KERN_WARNING
1871 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1872 }
1873 return (rval);
1874}
1875
1876static void
1877qla2x00_rport_del(void *data)
1878{
1879 fc_port_t *fcport = data;
1880 struct fc_rport *rport;
1881
1882 spin_lock_irq(fcport->ha->host->host_lock);
1883 rport = fcport->drport;
1884 fcport->drport = NULL;
1885 spin_unlock_irq(fcport->ha->host->host_lock);
1886 if (rport)
1887 fc_remote_port_delete(rport);
1888}
1889
1890/**
1891 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1892 * @ha: HA context
1893 * @flags: allocation flags
1894 *
1895 * Returns a pointer to the allocated fcport, or NULL, if none available.
1896 */
1897static fc_port_t *
1898qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1899{
1900 fc_port_t *fcport;
1901
1902 fcport = kzalloc(sizeof(fc_port_t), flags);
1903 if (!fcport)
1904 return NULL;
1905
1906 /* Setup fcport template structure. */
1907 fcport->ha = ha;
1908 fcport->vp_idx = ha->vp_idx;
1909 fcport->port_type = FCT_UNKNOWN;
1910 fcport->loop_id = FC_NO_LOOP_ID;
1911 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1912 fcport->flags = FCF_RLC_SUPPORT;
1913 fcport->supported_classes = FC_COS_UNSPECIFIED;
1914
1915 return fcport;
1916}
1917
1918/*
1919 * qla2x00_configure_loop
1920 * Updates Fibre Channel Device Database with what is actually on loop.
1921 *
1922 * Input:
1923 * ha = adapter block pointer.
1924 *
1925 * Returns:
1926 * 0 = success.
1927 * 1 = error.
1928 * 2 = database was full and device was not configured.
1929 */
1930static int
1931qla2x00_configure_loop(scsi_qla_host_t *ha)
1932{
1933 int rval;
1934 unsigned long flags, save_flags;
1935
1936 rval = QLA_SUCCESS;
1937
1938 /* Get Initiator ID */
1939 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1940 rval = qla2x00_configure_hba(ha);
1941 if (rval != QLA_SUCCESS) {
1942 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1943 ha->host_no));
1944 return (rval);
1945 }
1946 }
1947
1948 save_flags = flags = ha->dpc_flags;
1949 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1950 ha->host_no, flags));
1951
1952 /*
1953 * If we have both an RSCN and PORT UPDATE pending then handle them
1954 * both at the same time.
1955 */
1956 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1957 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1958
1959 /* Determine what we need to do */
1960 if (ha->current_topology == ISP_CFG_FL &&
1961 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1962
1963 ha->flags.rscn_queue_overflow = 1;
1964 set_bit(RSCN_UPDATE, &flags);
1965
1966 } else if (ha->current_topology == ISP_CFG_F &&
1967 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1968
1969 ha->flags.rscn_queue_overflow = 1;
1970 set_bit(RSCN_UPDATE, &flags);
1971 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1972
1973 } else if (ha->current_topology == ISP_CFG_N) {
1974 clear_bit(RSCN_UPDATE, &flags);
1975
1976 } else if (!ha->flags.online ||
1977 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1978
1979 ha->flags.rscn_queue_overflow = 1;
1980 set_bit(RSCN_UPDATE, &flags);
1981 set_bit(LOCAL_LOOP_UPDATE, &flags);
1982 }
1983
1984 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1985 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1986 rval = QLA_FUNCTION_FAILED;
1987 } else {
1988 rval = qla2x00_configure_local_loop(ha);
1989 }
1990 }
1991
1992 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1993 if (LOOP_TRANSITION(ha)) {
1994 rval = QLA_FUNCTION_FAILED;
1995 } else {
1996 rval = qla2x00_configure_fabric(ha);
1997 }
1998 }
1999
2000 if (rval == QLA_SUCCESS) {
2001 if (atomic_read(&ha->loop_down_timer) ||
2002 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2003 rval = QLA_FUNCTION_FAILED;
2004 } else {
2005 atomic_set(&ha->loop_state, LOOP_READY);
2006
2007 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
2008 }
2009 }
2010
2011 if (rval) {
2012 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2013 __func__, ha->host_no));
2014 } else {
2015 DEBUG3(printk("%s: exiting normally\n", __func__));
2016 }
2017
2018 /* Restore state if a resync event occured during processing */
2019 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2020 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2021 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
2022 if (test_bit(RSCN_UPDATE, &save_flags)) {
2023 ha->flags.rscn_queue_overflow = 1;
2024 set_bit(RSCN_UPDATE, &ha->dpc_flags);
2025 }
2026 }
2027
2028 return (rval);
2029}
2030
2031
2032
2033/*
2034 * qla2x00_configure_local_loop
2035 * Updates Fibre Channel Device Database with local loop devices.
2036 *
2037 * Input:
2038 * ha = adapter block pointer.
2039 *
2040 * Returns:
2041 * 0 = success.
2042 */
2043static int
2044qla2x00_configure_local_loop(scsi_qla_host_t *ha)
2045{
2046 int rval, rval2;
2047 int found_devs;
2048 int found;
2049 fc_port_t *fcport, *new_fcport;
2050
2051 uint16_t index;
2052 uint16_t entries;
2053 char *id_iter;
2054 uint16_t loop_id;
2055 uint8_t domain, area, al_pa;
2056 scsi_qla_host_t *pha = to_qla_parent(ha);
2057
2058 found_devs = 0;
2059 new_fcport = NULL;
2060 entries = MAX_FIBRE_DEVICES;
2061
2062 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2063 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2064
2065 /* Get list of logged in devices. */
2066 memset(ha->gid_list, 0, GID_LIST_SIZE);
2067 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2068 &entries);
2069 if (rval != QLA_SUCCESS)
2070 goto cleanup_allocation;
2071
2072 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2073 ha->host_no, entries));
2074 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2075 entries * sizeof(struct gid_list_info)));
2076
2077 /* Allocate temporary fcport for any new fcports discovered. */
2078 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2079 if (new_fcport == NULL) {
2080 rval = QLA_MEMORY_ALLOC_FAILED;
2081 goto cleanup_allocation;
2082 }
2083 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2084
2085 /*
2086 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2087 */
2088 list_for_each_entry(fcport, &pha->fcports, list) {
2089 if (fcport->vp_idx != ha->vp_idx)
2090 continue;
2091
2092 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2093 fcport->port_type != FCT_BROADCAST &&
2094 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2095
2096 DEBUG(printk("scsi(%ld): Marking port lost, "
2097 "loop_id=0x%04x\n",
2098 ha->host_no, fcport->loop_id));
2099
2100 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2101 fcport->flags &= ~FCF_FARP_DONE;
2102 }
2103 }
2104
2105 /* Add devices to port list. */
2106 id_iter = (char *)ha->gid_list;
2107 for (index = 0; index < entries; index++) {
2108 domain = ((struct gid_list_info *)id_iter)->domain;
2109 area = ((struct gid_list_info *)id_iter)->area;
2110 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2111 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2112 loop_id = (uint16_t)
2113 ((struct gid_list_info *)id_iter)->loop_id_2100;
2114 else
2115 loop_id = le16_to_cpu(
2116 ((struct gid_list_info *)id_iter)->loop_id);
2117 id_iter += ha->gid_list_info_size;
2118
2119 /* Bypass reserved domain fields. */
2120 if ((domain & 0xf0) == 0xf0)
2121 continue;
2122
2123 /* Bypass if not same domain and area of adapter. */
2124 if (area && domain &&
2125 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2126 continue;
2127
2128 /* Bypass invalid local loop ID. */
2129 if (loop_id > LAST_LOCAL_LOOP_ID)
2130 continue;
2131
2132 /* Fill in member data. */
2133 new_fcport->d_id.b.domain = domain;
2134 new_fcport->d_id.b.area = area;
2135 new_fcport->d_id.b.al_pa = al_pa;
2136 new_fcport->loop_id = loop_id;
2137 new_fcport->vp_idx = ha->vp_idx;
2138 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2139 if (rval2 != QLA_SUCCESS) {
2140 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2141 "information -- get_port_database=%x, "
2142 "loop_id=0x%04x\n",
2143 ha->host_no, rval2, new_fcport->loop_id));
2144 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2145 ha->host_no));
2146 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2147 continue;
2148 }
2149
2150 /* Check for matching device in port list. */
2151 found = 0;
2152 fcport = NULL;
2153 list_for_each_entry(fcport, &pha->fcports, list) {
2154 if (fcport->vp_idx != ha->vp_idx)
2155 continue;
2156
2157 if (memcmp(new_fcport->port_name, fcport->port_name,
2158 WWN_SIZE))
2159 continue;
2160
2161 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2162 FCF_PERSISTENT_BOUND);
2163 fcport->loop_id = new_fcport->loop_id;
2164 fcport->port_type = new_fcport->port_type;
2165 fcport->d_id.b24 = new_fcport->d_id.b24;
2166 memcpy(fcport->node_name, new_fcport->node_name,
2167 WWN_SIZE);
2168
2169 found++;
2170 break;
2171 }
2172
2173 if (!found) {
2174 /* New device, add to fcports list. */
2175 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2176 if (ha->parent) {
2177 new_fcport->ha = ha;
2178 new_fcport->vp_idx = ha->vp_idx;
2179 list_add_tail(&new_fcport->vp_fcport,
2180 &ha->vp_fcports);
2181 }
2182 list_add_tail(&new_fcport->list, &pha->fcports);
2183
2184 /* Allocate a new replacement fcport. */
2185 fcport = new_fcport;
2186 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2187 if (new_fcport == NULL) {
2188 rval = QLA_MEMORY_ALLOC_FAILED;
2189 goto cleanup_allocation;
2190 }
2191 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2192 }
2193
2194 /* Base iIDMA settings on HBA port speed. */
2195 fcport->fp_speed = ha->link_data_rate;
2196
2197 qla2x00_update_fcport(ha, fcport);
2198
2199 found_devs++;
2200 }
2201
2202cleanup_allocation:
2203 kfree(new_fcport);
2204
2205 if (rval != QLA_SUCCESS) {
2206 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2207 "rval=%x\n", ha->host_no, rval));
2208 }
2209
2210 if (found_devs) {
2211 ha->device_flags |= DFLG_LOCAL_DEVICES;
2212 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2213 }
2214
2215 return (rval);
2216}
2217
2218static void
2219qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2220{
2221#define LS_UNKNOWN 2
2222 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2223 int rval;
2224 uint16_t mb[6];
2225
2226 if (!IS_IIDMA_CAPABLE(ha))
2227 return;
2228
2229 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2230 fcport->fp_speed > ha->link_data_rate)
2231 return;
2232
2233 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2234 mb);
2235 if (rval != QLA_SUCCESS) {
2236 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2237 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2238 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2239 fcport->port_name[2], fcport->port_name[3],
2240 fcport->port_name[4], fcport->port_name[5],
2241 fcport->port_name[6], fcport->port_name[7], rval,
2242 fcport->fp_speed, mb[0], mb[1]));
2243 } else {
2244 DEBUG2(qla_printk(KERN_INFO, ha,
2245 "iIDMA adjusted to %s GB/s on "
2246 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2247 link_speeds[fcport->fp_speed], fcport->port_name[0],
2248 fcport->port_name[1], fcport->port_name[2],
2249 fcport->port_name[3], fcport->port_name[4],
2250 fcport->port_name[5], fcport->port_name[6],
2251 fcport->port_name[7]));
2252 }
2253}
2254
2255static void
2256qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2257{
2258 struct fc_rport_identifiers rport_ids;
2259 struct fc_rport *rport;
2260
2261 if (fcport->drport)
2262 qla2x00_rport_del(fcport);
2263
2264 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2265 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2266 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2267 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2268 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2269 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2270 if (!rport) {
2271 qla_printk(KERN_WARNING, ha,
2272 "Unable to allocate fc remote port!\n");
2273 return;
2274 }
2275 spin_lock_irq(fcport->ha->host->host_lock);
2276 *((fc_port_t **)rport->dd_data) = fcport;
2277 spin_unlock_irq(fcport->ha->host->host_lock);
2278
2279 rport->supported_classes = fcport->supported_classes;
2280
2281 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2282 if (fcport->port_type == FCT_INITIATOR)
2283 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2284 if (fcport->port_type == FCT_TARGET)
2285 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2286 fc_remote_port_rolechg(rport, rport_ids.roles);
2287}
2288
2289/*
2290 * qla2x00_update_fcport
2291 * Updates device on list.
2292 *
2293 * Input:
2294 * ha = adapter block pointer.
2295 * fcport = port structure pointer.
2296 *
2297 * Return:
2298 * 0 - Success
2299 * BIT_0 - error
2300 *
2301 * Context:
2302 * Kernel context.
2303 */
2304void
2305qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2306{
2307 scsi_qla_host_t *pha = to_qla_parent(ha);
2308
2309 fcport->ha = ha;
2310 fcport->login_retry = 0;
2311 fcport->port_login_retry_count = pha->port_down_retry_count *
2312 PORT_RETRY_TIME;
2313 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2314 PORT_RETRY_TIME);
2315 fcport->flags &= ~FCF_LOGIN_NEEDED;
2316
2317 qla2x00_iidma_fcport(ha, fcport);
2318
2319 atomic_set(&fcport->state, FCS_ONLINE);
2320
2321 qla2x00_reg_remote_port(ha, fcport);
2322}
2323
2324/*
2325 * qla2x00_configure_fabric
2326 * Setup SNS devices with loop ID's.
2327 *
2328 * Input:
2329 * ha = adapter block pointer.
2330 *
2331 * Returns:
2332 * 0 = success.
2333 * BIT_0 = error
2334 */
2335static int
2336qla2x00_configure_fabric(scsi_qla_host_t *ha)
2337{
2338 int rval, rval2;
2339 fc_port_t *fcport, *fcptemp;
2340 uint16_t next_loopid;
2341 uint16_t mb[MAILBOX_REGISTER_COUNT];
2342 uint16_t loop_id;
2343 LIST_HEAD(new_fcports);
2344 scsi_qla_host_t *pha = to_qla_parent(ha);
2345
2346 /* If FL port exists, then SNS is present */
2347 if (IS_FWI2_CAPABLE(ha))
2348 loop_id = NPH_F_PORT;
2349 else
2350 loop_id = SNS_FL_PORT;
2351 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2352 if (rval != QLA_SUCCESS) {
2353 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2354 "Port\n", ha->host_no));
2355
2356 ha->device_flags &= ~SWITCH_FOUND;
2357 return (QLA_SUCCESS);
2358 }
2359 ha->device_flags |= SWITCH_FOUND;
2360
2361 /* Mark devices that need re-synchronization. */
2362 rval2 = qla2x00_device_resync(ha);
2363 if (rval2 == QLA_RSCNS_HANDLED) {
2364 /* No point doing the scan, just continue. */
2365 return (QLA_SUCCESS);
2366 }
2367 do {
2368 /* FDMI support. */
2369 if (ql2xfdmienable &&
2370 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2371 qla2x00_fdmi_register(ha);
2372
2373 /* Ensure we are logged into the SNS. */
2374 if (IS_FWI2_CAPABLE(ha))
2375 loop_id = NPH_SNS;
2376 else
2377 loop_id = SIMPLE_NAME_SERVER;
2378 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2379 0xfc, mb, BIT_1 | BIT_0);
2380 if (mb[0] != MBS_COMMAND_COMPLETE) {
2381 DEBUG2(qla_printk(KERN_INFO, ha,
2382 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2383 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2384 mb[0], mb[1], mb[2], mb[6], mb[7]));
2385 return (QLA_SUCCESS);
2386 }
2387
2388 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2389 if (qla2x00_rft_id(ha)) {
2390 /* EMPTY */
2391 DEBUG2(printk("scsi(%ld): Register FC-4 "
2392 "TYPE failed.\n", ha->host_no));
2393 }
2394 if (qla2x00_rff_id(ha)) {
2395 /* EMPTY */
2396 DEBUG2(printk("scsi(%ld): Register FC-4 "
2397 "Features failed.\n", ha->host_no));
2398 }
2399 if (qla2x00_rnn_id(ha)) {
2400 /* EMPTY */
2401 DEBUG2(printk("scsi(%ld): Register Node Name "
2402 "failed.\n", ha->host_no));
2403 } else if (qla2x00_rsnn_nn(ha)) {
2404 /* EMPTY */
2405 DEBUG2(printk("scsi(%ld): Register Symbolic "
2406 "Node Name failed.\n", ha->host_no));
2407 }
2408 }
2409
2410 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2411 if (rval != QLA_SUCCESS)
2412 break;
2413
2414 /*
2415 * Logout all previous fabric devices marked lost, except
2416 * tape devices.
2417 */
2418 list_for_each_entry(fcport, &pha->fcports, list) {
2419 if (fcport->vp_idx !=ha->vp_idx)
2420 continue;
2421
2422 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2423 break;
2424
2425 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2426 continue;
2427
2428 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2429 qla2x00_mark_device_lost(ha, fcport,
2430 ql2xplogiabsentdevice, 0);
2431 if (fcport->loop_id != FC_NO_LOOP_ID &&
2432 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2433 fcport->port_type != FCT_INITIATOR &&
2434 fcport->port_type != FCT_BROADCAST) {
2435 ha->isp_ops->fabric_logout(ha,
2436 fcport->loop_id,
2437 fcport->d_id.b.domain,
2438 fcport->d_id.b.area,
2439 fcport->d_id.b.al_pa);
2440 fcport->loop_id = FC_NO_LOOP_ID;
2441 }
2442 }
2443 }
2444
2445 /* Starting free loop ID. */
2446 next_loopid = pha->min_external_loopid;
2447
2448 /*
2449 * Scan through our port list and login entries that need to be
2450 * logged in.
2451 */
2452 list_for_each_entry(fcport, &pha->fcports, list) {
2453 if (fcport->vp_idx != ha->vp_idx)
2454 continue;
2455
2456 if (atomic_read(&ha->loop_down_timer) ||
2457 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2458 break;
2459
2460 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2461 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2462 continue;
2463
2464 if (fcport->loop_id == FC_NO_LOOP_ID) {
2465 fcport->loop_id = next_loopid;
2466 rval = qla2x00_find_new_loop_id(
2467 to_qla_parent(ha), fcport);
2468 if (rval != QLA_SUCCESS) {
2469 /* Ran out of IDs to use */
2470 break;
2471 }
2472 }
2473 /* Login and update database */
2474 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2475 }
2476
2477 /* Exit if out of loop IDs. */
2478 if (rval != QLA_SUCCESS) {
2479 break;
2480 }
2481
2482 /*
2483 * Login and add the new devices to our port list.
2484 */
2485 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2486 if (atomic_read(&ha->loop_down_timer) ||
2487 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2488 break;
2489
2490 /* Find a new loop ID to use. */
2491 fcport->loop_id = next_loopid;
2492 rval = qla2x00_find_new_loop_id(to_qla_parent(ha),
2493 fcport);
2494 if (rval != QLA_SUCCESS) {
2495 /* Ran out of IDs to use */
2496 break;
2497 }
2498
2499 /* Login and update database */
2500 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2501
2502 if (ha->parent) {
2503 fcport->ha = ha;
2504 fcport->vp_idx = ha->vp_idx;
2505 list_add_tail(&fcport->vp_fcport,
2506 &ha->vp_fcports);
2507 list_move_tail(&fcport->list,
2508 &ha->parent->fcports);
2509 } else
2510 list_move_tail(&fcport->list, &ha->fcports);
2511 }
2512 } while (0);
2513
2514 /* Free all new device structures not processed. */
2515 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2516 list_del(&fcport->list);
2517 kfree(fcport);
2518 }
2519
2520 if (rval) {
2521 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2522 "rval=%d\n", ha->host_no, rval));
2523 }
2524
2525 return (rval);
2526}
2527
2528
2529/*
2530 * qla2x00_find_all_fabric_devs
2531 *
2532 * Input:
2533 * ha = adapter block pointer.
2534 * dev = database device entry pointer.
2535 *
2536 * Returns:
2537 * 0 = success.
2538 *
2539 * Context:
2540 * Kernel context.
2541 */
2542static int
2543qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2544{
2545 int rval;
2546 uint16_t loop_id;
2547 fc_port_t *fcport, *new_fcport, *fcptemp;
2548 int found;
2549
2550 sw_info_t *swl;
2551 int swl_idx;
2552 int first_dev, last_dev;
2553 port_id_t wrap, nxt_d_id;
2554 int vp_index;
2555 int empty_vp_index;
2556 int found_vp;
2557 scsi_qla_host_t *vha;
2558 scsi_qla_host_t *pha = to_qla_parent(ha);
2559
2560 rval = QLA_SUCCESS;
2561
2562 /* Try GID_PT to get device list, else GAN. */
2563 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2564 if (!swl) {
2565 /*EMPTY*/
2566 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2567 "on GA_NXT\n", ha->host_no));
2568 } else {
2569 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2570 kfree(swl);
2571 swl = NULL;
2572 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2573 kfree(swl);
2574 swl = NULL;
2575 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2576 kfree(swl);
2577 swl = NULL;
2578 } else if (ql2xiidmaenable &&
2579 qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2580 qla2x00_gpsc(ha, swl);
2581 }
2582 }
2583 swl_idx = 0;
2584
2585 /* Allocate temporary fcport for any new fcports discovered. */
2586 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2587 if (new_fcport == NULL) {
2588 kfree(swl);
2589 return (QLA_MEMORY_ALLOC_FAILED);
2590 }
2591 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2592 new_fcport->vp_idx = ha->vp_idx;
2593 /* Set start port ID scan at adapter ID. */
2594 first_dev = 1;
2595 last_dev = 0;
2596
2597 /* Starting free loop ID. */
2598 loop_id = pha->min_external_loopid;
2599 for (; loop_id <= ha->last_loop_id; loop_id++) {
2600 if (qla2x00_is_reserved_id(ha, loop_id))
2601 continue;
2602
2603 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2604 break;
2605
2606 if (swl != NULL) {
2607 if (last_dev) {
2608 wrap.b24 = new_fcport->d_id.b24;
2609 } else {
2610 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2611 memcpy(new_fcport->node_name,
2612 swl[swl_idx].node_name, WWN_SIZE);
2613 memcpy(new_fcport->port_name,
2614 swl[swl_idx].port_name, WWN_SIZE);
2615 memcpy(new_fcport->fabric_port_name,
2616 swl[swl_idx].fabric_port_name, WWN_SIZE);
2617 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2618
2619 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2620 last_dev = 1;
2621 }
2622 swl_idx++;
2623 }
2624 } else {
2625 /* Send GA_NXT to the switch */
2626 rval = qla2x00_ga_nxt(ha, new_fcport);
2627 if (rval != QLA_SUCCESS) {
2628 qla_printk(KERN_WARNING, ha,
2629 "SNS scan failed -- assuming zero-entry "
2630 "result...\n");
2631 list_for_each_entry_safe(fcport, fcptemp,
2632 new_fcports, list) {
2633 list_del(&fcport->list);
2634 kfree(fcport);
2635 }
2636 rval = QLA_SUCCESS;
2637 break;
2638 }
2639 }
2640
2641 /* If wrap on switch device list, exit. */
2642 if (first_dev) {
2643 wrap.b24 = new_fcport->d_id.b24;
2644 first_dev = 0;
2645 } else if (new_fcport->d_id.b24 == wrap.b24) {
2646 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2647 ha->host_no, new_fcport->d_id.b.domain,
2648 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2649 break;
2650 }
2651
2652 /* Bypass if same physical adapter. */
2653 if (new_fcport->d_id.b24 == pha->d_id.b24)
2654 continue;
2655
2656 /* Bypass virtual ports of the same host. */
2657 if (pha->num_vhosts) {
2658 for_each_mapped_vp_idx(pha, vp_index) {
2659 empty_vp_index = 1;
2660 found_vp = 0;
2661 list_for_each_entry(vha, &pha->vp_list,
2662 vp_list) {
2663 if (vp_index == vha->vp_idx) {
2664 empty_vp_index = 0;
2665 found_vp = 1;
2666 break;
2667 }
2668 }
2669
2670 if (empty_vp_index)
2671 continue;
2672
2673 if (found_vp &&
2674 new_fcport->d_id.b24 == vha->d_id.b24)
2675 break;
2676 }
2677
2678 if (vp_index <= pha->max_npiv_vports)
2679 continue;
2680 }
2681
2682 /* Bypass if same domain and area of adapter. */
2683 if (((new_fcport->d_id.b24 & 0xffff00) ==
2684 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2685 ISP_CFG_FL)
2686 continue;
2687
2688 /* Bypass reserved domain fields. */
2689 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2690 continue;
2691
2692 /* Locate matching device in database. */
2693 found = 0;
2694 list_for_each_entry(fcport, &pha->fcports, list) {
2695 if (new_fcport->vp_idx != fcport->vp_idx)
2696 continue;
2697 if (memcmp(new_fcport->port_name, fcport->port_name,
2698 WWN_SIZE))
2699 continue;
2700
2701 found++;
2702
2703 /* Update port state. */
2704 memcpy(fcport->fabric_port_name,
2705 new_fcport->fabric_port_name, WWN_SIZE);
2706 fcport->fp_speed = new_fcport->fp_speed;
2707
2708 /*
2709 * If address the same and state FCS_ONLINE, nothing
2710 * changed.
2711 */
2712 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2713 atomic_read(&fcport->state) == FCS_ONLINE) {
2714 break;
2715 }
2716
2717 /*
2718 * If device was not a fabric device before.
2719 */
2720 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2721 fcport->d_id.b24 = new_fcport->d_id.b24;
2722 fcport->loop_id = FC_NO_LOOP_ID;
2723 fcport->flags |= (FCF_FABRIC_DEVICE |
2724 FCF_LOGIN_NEEDED);
2725 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2726 break;
2727 }
2728
2729 /*
2730 * Port ID changed or device was marked to be updated;
2731 * Log it out if still logged in and mark it for
2732 * relogin later.
2733 */
2734 fcport->d_id.b24 = new_fcport->d_id.b24;
2735 fcport->flags |= FCF_LOGIN_NEEDED;
2736 if (fcport->loop_id != FC_NO_LOOP_ID &&
2737 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2738 fcport->port_type != FCT_INITIATOR &&
2739 fcport->port_type != FCT_BROADCAST) {
2740 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2741 fcport->d_id.b.domain, fcport->d_id.b.area,
2742 fcport->d_id.b.al_pa);
2743 fcport->loop_id = FC_NO_LOOP_ID;
2744 }
2745
2746 break;
2747 }
2748
2749 if (found)
2750 continue;
2751
2752 /* If device was not in our fcports list, then add it. */
2753 list_add_tail(&new_fcport->list, new_fcports);
2754
2755 /* Allocate a new replacement fcport. */
2756 nxt_d_id.b24 = new_fcport->d_id.b24;
2757 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2758 if (new_fcport == NULL) {
2759 kfree(swl);
2760 return (QLA_MEMORY_ALLOC_FAILED);
2761 }
2762 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2763 new_fcport->d_id.b24 = nxt_d_id.b24;
2764 new_fcport->vp_idx = ha->vp_idx;
2765 }
2766
2767 kfree(swl);
2768 kfree(new_fcport);
2769
2770 if (!list_empty(new_fcports))
2771 ha->device_flags |= DFLG_FABRIC_DEVICES;
2772
2773 return (rval);
2774}
2775
2776/*
2777 * qla2x00_find_new_loop_id
2778 * Scan through our port list and find a new usable loop ID.
2779 *
2780 * Input:
2781 * ha: adapter state pointer.
2782 * dev: port structure pointer.
2783 *
2784 * Returns:
2785 * qla2x00 local function return status code.
2786 *
2787 * Context:
2788 * Kernel context.
2789 */
2790static int
2791qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2792{
2793 int rval;
2794 int found;
2795 fc_port_t *fcport;
2796 uint16_t first_loop_id;
2797 scsi_qla_host_t *pha = to_qla_parent(ha);
2798
2799 rval = QLA_SUCCESS;
2800
2801 /* Save starting loop ID. */
2802 first_loop_id = dev->loop_id;
2803
2804 for (;;) {
2805 /* Skip loop ID if already used by adapter. */
2806 if (dev->loop_id == ha->loop_id) {
2807 dev->loop_id++;
2808 }
2809
2810 /* Skip reserved loop IDs. */
2811 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2812 dev->loop_id++;
2813 }
2814
2815 /* Reset loop ID if passed the end. */
2816 if (dev->loop_id > ha->last_loop_id) {
2817 /* first loop ID. */
2818 dev->loop_id = ha->min_external_loopid;
2819 }
2820
2821 /* Check for loop ID being already in use. */
2822 found = 0;
2823 fcport = NULL;
2824 list_for_each_entry(fcport, &pha->fcports, list) {
2825 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2826 /* ID possibly in use */
2827 found++;
2828 break;
2829 }
2830 }
2831
2832 /* If not in use then it is free to use. */
2833 if (!found) {
2834 break;
2835 }
2836
2837 /* ID in use. Try next value. */
2838 dev->loop_id++;
2839
2840 /* If wrap around. No free ID to use. */
2841 if (dev->loop_id == first_loop_id) {
2842 dev->loop_id = FC_NO_LOOP_ID;
2843 rval = QLA_FUNCTION_FAILED;
2844 break;
2845 }
2846 }
2847
2848 return (rval);
2849}
2850
2851/*
2852 * qla2x00_device_resync
2853 * Marks devices in the database that needs resynchronization.
2854 *
2855 * Input:
2856 * ha = adapter block pointer.
2857 *
2858 * Context:
2859 * Kernel context.
2860 */
2861static int
2862qla2x00_device_resync(scsi_qla_host_t *ha)
2863{
2864 int rval;
2865 uint32_t mask;
2866 fc_port_t *fcport;
2867 uint32_t rscn_entry;
2868 uint8_t rscn_out_iter;
2869 uint8_t format;
2870 port_id_t d_id;
2871 scsi_qla_host_t *pha = to_qla_parent(ha);
2872
2873 rval = QLA_RSCNS_HANDLED;
2874
2875 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2876 ha->flags.rscn_queue_overflow) {
2877
2878 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2879 format = MSB(MSW(rscn_entry));
2880 d_id.b.domain = LSB(MSW(rscn_entry));
2881 d_id.b.area = MSB(LSW(rscn_entry));
2882 d_id.b.al_pa = LSB(LSW(rscn_entry));
2883
2884 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2885 "[%02x/%02x%02x%02x].\n",
2886 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2887 d_id.b.area, d_id.b.al_pa));
2888
2889 ha->rscn_out_ptr++;
2890 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2891 ha->rscn_out_ptr = 0;
2892
2893 /* Skip duplicate entries. */
2894 for (rscn_out_iter = ha->rscn_out_ptr;
2895 !ha->flags.rscn_queue_overflow &&
2896 rscn_out_iter != ha->rscn_in_ptr;
2897 rscn_out_iter = (rscn_out_iter ==
2898 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2899
2900 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2901 break;
2902
2903 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2904 "entry found at [%d].\n", ha->host_no,
2905 rscn_out_iter));
2906
2907 ha->rscn_out_ptr = rscn_out_iter;
2908 }
2909
2910 /* Queue overflow, set switch default case. */
2911 if (ha->flags.rscn_queue_overflow) {
2912 DEBUG(printk("scsi(%ld): device_resync: rscn "
2913 "overflow.\n", ha->host_no));
2914
2915 format = 3;
2916 ha->flags.rscn_queue_overflow = 0;
2917 }
2918
2919 switch (format) {
2920 case 0:
2921 mask = 0xffffff;
2922 break;
2923 case 1:
2924 mask = 0xffff00;
2925 break;
2926 case 2:
2927 mask = 0xff0000;
2928 break;
2929 default:
2930 mask = 0x0;
2931 d_id.b24 = 0;
2932 ha->rscn_out_ptr = ha->rscn_in_ptr;
2933 break;
2934 }
2935
2936 rval = QLA_SUCCESS;
2937
2938 list_for_each_entry(fcport, &pha->fcports, list) {
2939 if (fcport->vp_idx != ha->vp_idx)
2940 continue;
2941
2942 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2943 (fcport->d_id.b24 & mask) != d_id.b24 ||
2944 fcport->port_type == FCT_BROADCAST)
2945 continue;
2946
2947 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2948 if (format != 3 ||
2949 fcport->port_type != FCT_INITIATOR) {
2950 qla2x00_mark_device_lost(ha, fcport,
2951 0, 0);
2952 }
2953 }
2954 fcport->flags &= ~FCF_FARP_DONE;
2955 }
2956 }
2957 return (rval);
2958}
2959
2960/*
2961 * qla2x00_fabric_dev_login
2962 * Login fabric target device and update FC port database.
2963 *
2964 * Input:
2965 * ha: adapter state pointer.
2966 * fcport: port structure list pointer.
2967 * next_loopid: contains value of a new loop ID that can be used
2968 * by the next login attempt.
2969 *
2970 * Returns:
2971 * qla2x00 local function return status code.
2972 *
2973 * Context:
2974 * Kernel context.
2975 */
2976static int
2977qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2978 uint16_t *next_loopid)
2979{
2980 int rval;
2981 int retry;
2982 uint8_t opts;
2983
2984 rval = QLA_SUCCESS;
2985 retry = 0;
2986
2987 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2988 if (rval == QLA_SUCCESS) {
2989 /* Send an ADISC to tape devices.*/
2990 opts = 0;
2991 if (fcport->flags & FCF_TAPE_PRESENT)
2992 opts |= BIT_1;
2993 rval = qla2x00_get_port_database(ha, fcport, opts);
2994 if (rval != QLA_SUCCESS) {
2995 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2996 fcport->d_id.b.domain, fcport->d_id.b.area,
2997 fcport->d_id.b.al_pa);
2998 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2999 } else {
3000 qla2x00_update_fcport(ha, fcport);
3001 }
3002 }
3003
3004 return (rval);
3005}
3006
3007/*
3008 * qla2x00_fabric_login
3009 * Issue fabric login command.
3010 *
3011 * Input:
3012 * ha = adapter block pointer.
3013 * device = pointer to FC device type structure.
3014 *
3015 * Returns:
3016 * 0 - Login successfully
3017 * 1 - Login failed
3018 * 2 - Initiator device
3019 * 3 - Fatal error
3020 */
3021int
3022qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
3023 uint16_t *next_loopid)
3024{
3025 int rval;
3026 int retry;
3027 uint16_t tmp_loopid;
3028 uint16_t mb[MAILBOX_REGISTER_COUNT];
3029
3030 retry = 0;
3031 tmp_loopid = 0;
3032
3033 for (;;) {
3034 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3035 "for port %02x%02x%02x.\n",
3036 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3037 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3038
3039 /* Login fcport on switch. */
3040 ha->isp_ops->fabric_login(ha, fcport->loop_id,
3041 fcport->d_id.b.domain, fcport->d_id.b.area,
3042 fcport->d_id.b.al_pa, mb, BIT_0);
3043 if (mb[0] == MBS_PORT_ID_USED) {
3044 /*
3045 * Device has another loop ID. The firmware team
3046 * recommends the driver perform an implicit login with
3047 * the specified ID again. The ID we just used is save
3048 * here so we return with an ID that can be tried by
3049 * the next login.
3050 */
3051 retry++;
3052 tmp_loopid = fcport->loop_id;
3053 fcport->loop_id = mb[1];
3054
3055 DEBUG(printk("Fabric Login: port in use - next "
3056 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3057 fcport->loop_id, fcport->d_id.b.domain,
3058 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3059
3060 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3061 /*
3062 * Login succeeded.
3063 */
3064 if (retry) {
3065 /* A retry occurred before. */
3066 *next_loopid = tmp_loopid;
3067 } else {
3068 /*
3069 * No retry occurred before. Just increment the
3070 * ID value for next login.
3071 */
3072 *next_loopid = (fcport->loop_id + 1);
3073 }
3074
3075 if (mb[1] & BIT_0) {
3076 fcport->port_type = FCT_INITIATOR;
3077 } else {
3078 fcport->port_type = FCT_TARGET;
3079 if (mb[1] & BIT_1) {
3080 fcport->flags |= FCF_TAPE_PRESENT;
3081 }
3082 }
3083
3084 if (mb[10] & BIT_0)
3085 fcport->supported_classes |= FC_COS_CLASS2;
3086 if (mb[10] & BIT_1)
3087 fcport->supported_classes |= FC_COS_CLASS3;
3088
3089 rval = QLA_SUCCESS;
3090 break;
3091 } else if (mb[0] == MBS_LOOP_ID_USED) {
3092 /*
3093 * Loop ID already used, try next loop ID.
3094 */
3095 fcport->loop_id++;
3096 rval = qla2x00_find_new_loop_id(ha, fcport);
3097 if (rval != QLA_SUCCESS) {
3098 /* Ran out of loop IDs to use */
3099 break;
3100 }
3101 } else if (mb[0] == MBS_COMMAND_ERROR) {
3102 /*
3103 * Firmware possibly timed out during login. If NO
3104 * retries are left to do then the device is declared
3105 * dead.
3106 */
3107 *next_loopid = fcport->loop_id;
3108 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3109 fcport->d_id.b.domain, fcport->d_id.b.area,
3110 fcport->d_id.b.al_pa);
3111 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3112
3113 rval = 1;
3114 break;
3115 } else {
3116 /*
3117 * unrecoverable / not handled error
3118 */
3119 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3120 "loop_id=%x jiffies=%lx.\n",
3121 __func__, ha->host_no, mb[0],
3122 fcport->d_id.b.domain, fcport->d_id.b.area,
3123 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3124
3125 *next_loopid = fcport->loop_id;
3126 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3127 fcport->d_id.b.domain, fcport->d_id.b.area,
3128 fcport->d_id.b.al_pa);
3129 fcport->loop_id = FC_NO_LOOP_ID;
3130 fcport->login_retry = 0;
3131
3132 rval = 3;
3133 break;
3134 }
3135 }
3136
3137 return (rval);
3138}
3139
3140/*
3141 * qla2x00_local_device_login
3142 * Issue local device login command.
3143 *
3144 * Input:
3145 * ha = adapter block pointer.
3146 * loop_id = loop id of device to login to.
3147 *
3148 * Returns (Where's the #define!!!!):
3149 * 0 - Login successfully
3150 * 1 - Login failed
3151 * 3 - Fatal error
3152 */
3153int
3154qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3155{
3156 int rval;
3157 uint16_t mb[MAILBOX_REGISTER_COUNT];
3158
3159 memset(mb, 0, sizeof(mb));
3160 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3161 if (rval == QLA_SUCCESS) {
3162 /* Interrogate mailbox registers for any errors */
3163 if (mb[0] == MBS_COMMAND_ERROR)
3164 rval = 1;
3165 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3166 /* device not in PCB table */
3167 rval = 3;
3168 }
3169
3170 return (rval);
3171}
3172
3173/*
3174 * qla2x00_loop_resync
3175 * Resync with fibre channel devices.
3176 *
3177 * Input:
3178 * ha = adapter block pointer.
3179 *
3180 * Returns:
3181 * 0 = success
3182 */
3183int
3184qla2x00_loop_resync(scsi_qla_host_t *ha)
3185{
3186 int rval;
3187 uint32_t wait_time;
3188
3189 rval = QLA_SUCCESS;
3190
3191 atomic_set(&ha->loop_state, LOOP_UPDATE);
3192 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3193 if (ha->flags.online) {
3194 if (!(rval = qla2x00_fw_ready(ha))) {
3195 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3196 wait_time = 256;
3197 do {
3198 atomic_set(&ha->loop_state, LOOP_UPDATE);
3199
3200 /* Issue a marker after FW becomes ready. */
3201 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3202 ha->marker_needed = 0;
3203
3204 /* Remap devices on Loop. */
3205 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3206
3207 qla2x00_configure_loop(ha);
3208 wait_time--;
3209 } while (!atomic_read(&ha->loop_down_timer) &&
3210 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3211 wait_time &&
3212 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3213 }
3214 }
3215
3216 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3217 return (QLA_FUNCTION_FAILED);
3218 }
3219
3220 if (rval) {
3221 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3222 }
3223
3224 return (rval);
3225}
3226
3227void
3228qla2x00_update_fcports(scsi_qla_host_t *ha)
3229{
3230 fc_port_t *fcport;
3231
3232 /* Go with deferred removal of rport references. */
3233 list_for_each_entry(fcport, &ha->fcports, list)
3234 if (fcport->drport)
3235 qla2x00_rport_del(fcport);
3236}
3237
3238/*
3239* qla2x00_abort_isp
3240* Resets ISP and aborts all outstanding commands.
3241*
3242* Input:
3243* ha = adapter block pointer.
3244*
3245* Returns:
3246* 0 = success
3247*/
3248int
3249qla2x00_abort_isp(scsi_qla_host_t *ha)
3250{
3251 int rval;
3252 uint8_t status = 0;
3253
3254 if (ha->flags.online) {
3255 ha->flags.online = 0;
3256 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3257 ha->qla_stats.total_isp_aborts++;
3258
3259 qla_printk(KERN_INFO, ha,
3260 "Performing ISP error recovery - ha= %p.\n", ha);
3261 ha->isp_ops->reset_chip(ha);
3262
3263 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3264 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3265 atomic_set(&ha->loop_state, LOOP_DOWN);
3266 qla2x00_mark_all_devices_lost(ha, 0);
3267 } else {
3268 if (!atomic_read(&ha->loop_down_timer))
3269 atomic_set(&ha->loop_down_timer,
3270 LOOP_DOWN_TIME);
3271 }
3272
3273 /* Requeue all commands in outstanding command list. */
3274 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
3275
3276 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3277
3278 ha->isp_ops->nvram_config(ha);
3279
3280 if (!qla2x00_restart_isp(ha)) {
3281 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3282
3283 if (!atomic_read(&ha->loop_down_timer)) {
3284 /*
3285 * Issue marker command only when we are going
3286 * to start the I/O .
3287 */
3288 ha->marker_needed = 1;
3289 }
3290
3291 ha->flags.online = 1;
3292
3293 ha->isp_ops->enable_intrs(ha);
3294
3295 ha->isp_abort_cnt = 0;
3296 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3297
3298 if (ha->fce) {
3299 ha->flags.fce_enabled = 1;
3300 memset(ha->fce, 0,
3301 fce_calc_size(ha->fce_bufs));
3302 rval = qla2x00_enable_fce_trace(ha,
3303 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3304 &ha->fce_bufs);
3305 if (rval) {
3306 qla_printk(KERN_WARNING, ha,
3307 "Unable to reinitialize FCE "
3308 "(%d).\n", rval);
3309 ha->flags.fce_enabled = 0;
3310 }
3311 }
3312
3313 if (ha->eft) {
3314 memset(ha->eft, 0, EFT_SIZE);
3315 rval = qla2x00_enable_eft_trace(ha,
3316 ha->eft_dma, EFT_NUM_BUFFERS);
3317 if (rval) {
3318 qla_printk(KERN_WARNING, ha,
3319 "Unable to reinitialize EFT "
3320 "(%d).\n", rval);
3321 }
3322 }
3323 } else { /* failed the ISP abort */
3324 ha->flags.online = 1;
3325 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3326 if (ha->isp_abort_cnt == 0) {
3327 qla_printk(KERN_WARNING, ha,
3328 "ISP error recovery failed - "
3329 "board disabled\n");
3330 /*
3331 * The next call disables the board
3332 * completely.
3333 */
3334 ha->isp_ops->reset_adapter(ha);
3335 ha->flags.online = 0;
3336 clear_bit(ISP_ABORT_RETRY,
3337 &ha->dpc_flags);
3338 status = 0;
3339 } else { /* schedule another ISP abort */
3340 ha->isp_abort_cnt--;
3341 DEBUG(printk("qla%ld: ISP abort - "
3342 "retry remaining %d\n",
3343 ha->host_no, ha->isp_abort_cnt));
3344 status = 1;
3345 }
3346 } else {
3347 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3348 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3349 "- retrying (%d) more times\n",
3350 ha->host_no, ha->isp_abort_cnt));
3351 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3352 status = 1;
3353 }
3354 }
3355
3356 }
3357
3358 if (status) {
3359 qla_printk(KERN_INFO, ha,
3360 "qla2x00_abort_isp: **** FAILED ****\n");
3361 } else {
3362 DEBUG(printk(KERN_INFO
3363 "qla2x00_abort_isp(%ld): exiting.\n",
3364 ha->host_no));
3365 }
3366
3367 return(status);
3368}
3369
3370/*
3371* qla2x00_restart_isp
3372* restarts the ISP after a reset
3373*
3374* Input:
3375* ha = adapter block pointer.
3376*
3377* Returns:
3378* 0 = success
3379*/
3380static int
3381qla2x00_restart_isp(scsi_qla_host_t *ha)
3382{
3383 uint8_t status = 0;
3384 uint32_t wait_time;
3385
3386 /* If firmware needs to be loaded */
3387 if (qla2x00_isp_firmware(ha)) {
3388 ha->flags.online = 0;
3389 if (!(status = ha->isp_ops->chip_diag(ha)))
3390 status = qla2x00_setup_chip(ha);
3391 }
3392
3393 if (!status && !(status = qla2x00_init_rings(ha))) {
3394 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3395 if (!(status = qla2x00_fw_ready(ha))) {
3396 DEBUG(printk("%s(): Start configure loop, "
3397 "status = %d\n", __func__, status));
3398
3399 /* Issue a marker after FW becomes ready. */
3400 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3401
3402 ha->flags.online = 1;
3403 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3404 wait_time = 256;
3405 do {
3406 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3407 qla2x00_configure_loop(ha);
3408 wait_time--;
3409 } while (!atomic_read(&ha->loop_down_timer) &&
3410 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3411 wait_time &&
3412 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3413 }
3414
3415 /* if no cable then assume it's good */
3416 if ((ha->device_flags & DFLG_NO_CABLE))
3417 status = 0;
3418
3419 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3420 __func__,
3421 status));
3422 }
3423 return (status);
3424}
3425
3426/*
3427* qla2x00_reset_adapter
3428* Reset adapter.
3429*
3430* Input:
3431* ha = adapter block pointer.
3432*/
3433void
3434qla2x00_reset_adapter(scsi_qla_host_t *ha)
3435{
3436 unsigned long flags = 0;
3437 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3438
3439 ha->flags.online = 0;
3440 ha->isp_ops->disable_intrs(ha);
3441
3442 spin_lock_irqsave(&ha->hardware_lock, flags);
3443 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3444 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3445 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3446 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3447 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3448}
3449
3450void
3451qla24xx_reset_adapter(scsi_qla_host_t *ha)
3452{
3453 unsigned long flags = 0;
3454 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3455
3456 ha->flags.online = 0;
3457 ha->isp_ops->disable_intrs(ha);
3458
3459 spin_lock_irqsave(&ha->hardware_lock, flags);
3460 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3461 RD_REG_DWORD(&reg->hccr);
3462 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3463 RD_REG_DWORD(&reg->hccr);
3464 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3465}
3466
3467/* On sparc systems, obtain port and node WWN from firmware
3468 * properties.
3469 */
3470static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3471{
3472#ifdef CONFIG_SPARC
3473 struct pci_dev *pdev = ha->pdev;
3474 struct device_node *dp = pci_device_to_OF_node(pdev);
3475 const u8 *val;
3476 int len;
3477
3478 val = of_get_property(dp, "port-wwn", &len);
3479 if (val && len >= WWN_SIZE)
3480 memcpy(nv->port_name, val, WWN_SIZE);
3481
3482 val = of_get_property(dp, "node-wwn", &len);
3483 if (val && len >= WWN_SIZE)
3484 memcpy(nv->node_name, val, WWN_SIZE);
3485#endif
3486}
3487
3488int
3489qla24xx_nvram_config(scsi_qla_host_t *ha)
3490{
3491 int rval;
3492 struct init_cb_24xx *icb;
3493 struct nvram_24xx *nv;
3494 uint32_t *dptr;
3495 uint8_t *dptr1, *dptr2;
3496 uint32_t chksum;
3497 uint16_t cnt;
3498
3499 rval = QLA_SUCCESS;
3500 icb = (struct init_cb_24xx *)ha->init_cb;
3501 nv = ha->nvram;
3502
3503 /* Determine NVRAM starting address. */
3504 ha->nvram_size = sizeof(struct nvram_24xx);
3505 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3506 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3507 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3508 if (PCI_FUNC(ha->pdev->devfn)) {
3509 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3510 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3511 }
3512
3513 /* Get VPD data into cache */
3514 ha->vpd = ha->nvram + VPD_OFFSET;
3515 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3516 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3517
3518 /* Get NVRAM data into cache and calculate checksum. */
3519 dptr = (uint32_t *)nv;
3520 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3521 ha->nvram_size);
3522 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3523 chksum += le32_to_cpu(*dptr++);
3524
3525 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3526 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3527
3528 /* Bad NVRAM data, set defaults parameters. */
3529 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3530 || nv->id[3] != ' ' ||
3531 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3532 /* Reset NVRAM data. */
3533 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3534 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3535 le16_to_cpu(nv->nvram_version));
3536 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3537 "invalid -- WWPN) defaults.\n");
3538
3539 /*
3540 * Set default initialization control block.
3541 */
3542 memset(nv, 0, ha->nvram_size);
3543 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3544 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3545 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3546 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3547 nv->exchange_count = __constant_cpu_to_le16(0);
3548 nv->hard_address = __constant_cpu_to_le16(124);
3549 nv->port_name[0] = 0x21;
3550 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3551 nv->port_name[2] = 0x00;
3552 nv->port_name[3] = 0xe0;
3553 nv->port_name[4] = 0x8b;
3554 nv->port_name[5] = 0x1c;
3555 nv->port_name[6] = 0x55;
3556 nv->port_name[7] = 0x86;
3557 nv->node_name[0] = 0x20;
3558 nv->node_name[1] = 0x00;
3559 nv->node_name[2] = 0x00;
3560 nv->node_name[3] = 0xe0;
3561 nv->node_name[4] = 0x8b;
3562 nv->node_name[5] = 0x1c;
3563 nv->node_name[6] = 0x55;
3564 nv->node_name[7] = 0x86;
3565 qla24xx_nvram_wwn_from_ofw(ha, nv);
3566 nv->login_retry_count = __constant_cpu_to_le16(8);
3567 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3568 nv->login_timeout = __constant_cpu_to_le16(0);
3569 nv->firmware_options_1 =
3570 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3571 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3572 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3573 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3574 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3575 nv->efi_parameters = __constant_cpu_to_le32(0);
3576 nv->reset_delay = 5;
3577 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3578 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3579 nv->link_down_timeout = __constant_cpu_to_le16(30);
3580
3581 rval = 1;
3582 }
3583
3584 /* Reset Initialization control block */
3585 memset(icb, 0, sizeof(struct init_cb_24xx));
3586
3587 /* Copy 1st segment. */
3588 dptr1 = (uint8_t *)icb;
3589 dptr2 = (uint8_t *)&nv->version;
3590 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3591 while (cnt--)
3592 *dptr1++ = *dptr2++;
3593
3594 icb->login_retry_count = nv->login_retry_count;
3595 icb->link_down_on_nos = nv->link_down_on_nos;
3596
3597 /* Copy 2nd segment. */
3598 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3599 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3600 cnt = (uint8_t *)&icb->reserved_3 -
3601 (uint8_t *)&icb->interrupt_delay_timer;
3602 while (cnt--)
3603 *dptr1++ = *dptr2++;
3604
3605 /*
3606 * Setup driver NVRAM options.
3607 */
3608 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3609 "QLA2462");
3610
3611 /* Use alternate WWN? */
3612 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3613 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3614 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3615 }
3616
3617 /* Prepare nodename */
3618 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3619 /*
3620 * Firmware will apply the following mask if the nodename was
3621 * not provided.
3622 */
3623 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3624 icb->node_name[0] &= 0xF0;
3625 }
3626
3627 /* Set host adapter parameters. */
3628 ha->flags.disable_risc_code_load = 0;
3629 ha->flags.enable_lip_reset = 0;
3630 ha->flags.enable_lip_full_login =
3631 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3632 ha->flags.enable_target_reset =
3633 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3634 ha->flags.enable_led_scheme = 0;
3635 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3636
3637 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3638 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3639
3640 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3641 sizeof(ha->fw_seriallink_options24));
3642
3643 /* save HBA serial number */
3644 ha->serial0 = icb->port_name[5];
3645 ha->serial1 = icb->port_name[6];
3646 ha->serial2 = icb->port_name[7];
3647 ha->node_name = icb->node_name;
3648 ha->port_name = icb->port_name;
3649
3650 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3651
3652 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3653
3654 /* Set minimum login_timeout to 4 seconds. */
3655 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3656 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3657 if (le16_to_cpu(nv->login_timeout) < 4)
3658 nv->login_timeout = __constant_cpu_to_le16(4);
3659 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3660 icb->login_timeout = nv->login_timeout;
3661
3662 /* Set minimum RATOV to 100 tenths of a second. */
3663 ha->r_a_tov = 100;
3664
3665 ha->loop_reset_delay = nv->reset_delay;
3666
3667 /* Link Down Timeout = 0:
3668 *
3669 * When Port Down timer expires we will start returning
3670 * I/O's to OS with "DID_NO_CONNECT".
3671 *
3672 * Link Down Timeout != 0:
3673 *
3674 * The driver waits for the link to come up after link down
3675 * before returning I/Os to OS with "DID_NO_CONNECT".
3676 */
3677 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3678 ha->loop_down_abort_time =
3679 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3680 } else {
3681 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3682 ha->loop_down_abort_time =
3683 (LOOP_DOWN_TIME - ha->link_down_timeout);
3684 }
3685
3686 /* Need enough time to try and get the port back. */
3687 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3688 if (qlport_down_retry)
3689 ha->port_down_retry_count = qlport_down_retry;
3690
3691 /* Set login_retry_count */
3692 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3693 if (ha->port_down_retry_count ==
3694 le16_to_cpu(nv->port_down_retry_count) &&
3695 ha->port_down_retry_count > 3)
3696 ha->login_retry_count = ha->port_down_retry_count;
3697 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3698 ha->login_retry_count = ha->port_down_retry_count;
3699 if (ql2xloginretrycount)
3700 ha->login_retry_count = ql2xloginretrycount;
3701
3702 /* Enable ZIO. */
3703 if (!ha->flags.init_done) {
3704 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3705 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3706 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3707 le16_to_cpu(icb->interrupt_delay_timer): 2;
3708 }
3709 icb->firmware_options_2 &= __constant_cpu_to_le32(
3710 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3711 ha->flags.process_response_queue = 0;
3712 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3713 ha->zio_mode = QLA_ZIO_MODE_6;
3714
3715 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3716 "(%d us).\n", ha->host_no, ha->zio_mode,
3717 ha->zio_timer * 100));
3718 qla_printk(KERN_INFO, ha,
3719 "ZIO mode %d enabled; timer delay (%d us).\n",
3720 ha->zio_mode, ha->zio_timer * 100);
3721
3722 icb->firmware_options_2 |= cpu_to_le32(
3723 (uint32_t)ha->zio_mode);
3724 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3725 ha->flags.process_response_queue = 1;
3726 }
3727
3728 if (rval) {
3729 DEBUG2_3(printk(KERN_WARNING
3730 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3731 }
3732 return (rval);
3733}
3734
3735static int
3736qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3737{
3738 int rval;
3739 int segments, fragment;
3740 uint32_t faddr;
3741 uint32_t *dcode, dlen;
3742 uint32_t risc_addr;
3743 uint32_t risc_size;
3744 uint32_t i;
3745
3746 rval = QLA_SUCCESS;
3747
3748 segments = FA_RISC_CODE_SEGMENTS;
3749 faddr = FA_RISC_CODE_ADDR;
3750 dcode = (uint32_t *)ha->request_ring;
3751 *srisc_addr = 0;
3752
3753 /* Validate firmware image by checking version. */
3754 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3755 for (i = 0; i < 4; i++)
3756 dcode[i] = be32_to_cpu(dcode[i]);
3757 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3758 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3759 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3760 dcode[3] == 0)) {
3761 qla_printk(KERN_WARNING, ha,
3762 "Unable to verify integrity of flash firmware image!\n");
3763 qla_printk(KERN_WARNING, ha,
3764 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3765 dcode[1], dcode[2], dcode[3]);
3766
3767 return QLA_FUNCTION_FAILED;
3768 }
3769
3770 while (segments && rval == QLA_SUCCESS) {
3771 /* Read segment's load information. */
3772 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3773
3774 risc_addr = be32_to_cpu(dcode[2]);
3775 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3776 risc_size = be32_to_cpu(dcode[3]);
3777
3778 fragment = 0;
3779 while (risc_size > 0 && rval == QLA_SUCCESS) {
3780 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3781 if (dlen > risc_size)
3782 dlen = risc_size;
3783
3784 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3785 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3786 ha->host_no, risc_addr, dlen, faddr));
3787
3788 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3789 for (i = 0; i < dlen; i++)
3790 dcode[i] = swab32(dcode[i]);
3791
3792 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3793 dlen);
3794 if (rval) {
3795 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3796 "segment %d of firmware\n", ha->host_no,
3797 fragment));
3798 qla_printk(KERN_WARNING, ha,
3799 "[ERROR] Failed to load segment %d of "
3800 "firmware\n", fragment);
3801 break;
3802 }
3803
3804 faddr += dlen;
3805 risc_addr += dlen;
3806 risc_size -= dlen;
3807 fragment++;
3808 }
3809
3810 /* Next segment. */
3811 segments--;
3812 }
3813
3814 return rval;
3815}
3816
3817#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3818
3819int
3820qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3821{
3822 int rval;
3823 int i, fragment;
3824 uint16_t *wcode, *fwcode;
3825 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3826 struct fw_blob *blob;
3827
3828 /* Load firmware blob. */
3829 blob = qla2x00_request_firmware(ha);
3830 if (!blob) {
3831 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3832 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3833 "from: " QLA_FW_URL ".\n");
3834 return QLA_FUNCTION_FAILED;
3835 }
3836
3837 rval = QLA_SUCCESS;
3838
3839 wcode = (uint16_t *)ha->request_ring;
3840 *srisc_addr = 0;
3841 fwcode = (uint16_t *)blob->fw->data;
3842 fwclen = 0;
3843
3844 /* Validate firmware image by checking version. */
3845 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3846 qla_printk(KERN_WARNING, ha,
3847 "Unable to verify integrity of firmware image (%Zd)!\n",
3848 blob->fw->size);
3849 goto fail_fw_integrity;
3850 }
3851 for (i = 0; i < 4; i++)
3852 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3853 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3854 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3855 wcode[2] == 0 && wcode[3] == 0)) {
3856 qla_printk(KERN_WARNING, ha,
3857 "Unable to verify integrity of firmware image!\n");
3858 qla_printk(KERN_WARNING, ha,
3859 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3860 wcode[1], wcode[2], wcode[3]);
3861 goto fail_fw_integrity;
3862 }
3863
3864 seg = blob->segs;
3865 while (*seg && rval == QLA_SUCCESS) {
3866 risc_addr = *seg;
3867 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3868 risc_size = be16_to_cpu(fwcode[3]);
3869
3870 /* Validate firmware image size. */
3871 fwclen += risc_size * sizeof(uint16_t);
3872 if (blob->fw->size < fwclen) {
3873 qla_printk(KERN_WARNING, ha,
3874 "Unable to verify integrity of firmware image "
3875 "(%Zd)!\n", blob->fw->size);
3876 goto fail_fw_integrity;
3877 }
3878
3879 fragment = 0;
3880 while (risc_size > 0 && rval == QLA_SUCCESS) {
3881 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3882 if (wlen > risc_size)
3883 wlen = risc_size;
3884
3885 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3886 "addr %x, number of words 0x%x.\n", ha->host_no,
3887 risc_addr, wlen));
3888
3889 for (i = 0; i < wlen; i++)
3890 wcode[i] = swab16(fwcode[i]);
3891
3892 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3893 wlen);
3894 if (rval) {
3895 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3896 "segment %d of firmware\n", ha->host_no,
3897 fragment));
3898 qla_printk(KERN_WARNING, ha,
3899 "[ERROR] Failed to load segment %d of "
3900 "firmware\n", fragment);
3901 break;
3902 }
3903
3904 fwcode += wlen;
3905 risc_addr += wlen;
3906 risc_size -= wlen;
3907 fragment++;
3908 }
3909
3910 /* Next segment. */
3911 seg++;
3912 }
3913 return rval;
3914
3915fail_fw_integrity:
3916 return QLA_FUNCTION_FAILED;
3917}
3918
3919int
3920qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3921{
3922 int rval;
3923 int segments, fragment;
3924 uint32_t *dcode, dlen;
3925 uint32_t risc_addr;
3926 uint32_t risc_size;
3927 uint32_t i;
3928 struct fw_blob *blob;
3929 uint32_t *fwcode, fwclen;
3930
3931 /* Load firmware blob. */
3932 blob = qla2x00_request_firmware(ha);
3933 if (!blob) {
3934 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3935 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3936 "from: " QLA_FW_URL ".\n");
3937
3938 /* Try to load RISC code from flash. */
3939 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3940 "outdated) firmware from flash.\n");
3941 return qla24xx_load_risc_flash(ha, srisc_addr);
3942 }
3943
3944 rval = QLA_SUCCESS;
3945
3946 segments = FA_RISC_CODE_SEGMENTS;
3947 dcode = (uint32_t *)ha->request_ring;
3948 *srisc_addr = 0;
3949 fwcode = (uint32_t *)blob->fw->data;
3950 fwclen = 0;
3951
3952 /* Validate firmware image by checking version. */
3953 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3954 qla_printk(KERN_WARNING, ha,
3955 "Unable to verify integrity of firmware image (%Zd)!\n",
3956 blob->fw->size);
3957 goto fail_fw_integrity;
3958 }
3959 for (i = 0; i < 4; i++)
3960 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3961 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3962 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3963 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3964 dcode[3] == 0)) {
3965 qla_printk(KERN_WARNING, ha,
3966 "Unable to verify integrity of firmware image!\n");
3967 qla_printk(KERN_WARNING, ha,
3968 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3969 dcode[1], dcode[2], dcode[3]);
3970 goto fail_fw_integrity;
3971 }
3972
3973 while (segments && rval == QLA_SUCCESS) {
3974 risc_addr = be32_to_cpu(fwcode[2]);
3975 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3976 risc_size = be32_to_cpu(fwcode[3]);
3977
3978 /* Validate firmware image size. */
3979 fwclen += risc_size * sizeof(uint32_t);
3980 if (blob->fw->size < fwclen) {
3981 qla_printk(KERN_WARNING, ha,
3982 "Unable to verify integrity of firmware image "
3983 "(%Zd)!\n", blob->fw->size);
3984
3985 goto fail_fw_integrity;
3986 }
3987
3988 fragment = 0;
3989 while (risc_size > 0 && rval == QLA_SUCCESS) {
3990 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3991 if (dlen > risc_size)
3992 dlen = risc_size;
3993
3994 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3995 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3996 risc_addr, dlen));
3997
3998 for (i = 0; i < dlen; i++)
3999 dcode[i] = swab32(fwcode[i]);
4000
4001 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
4002 dlen);
4003 if (rval) {
4004 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4005 "segment %d of firmware\n", ha->host_no,
4006 fragment));
4007 qla_printk(KERN_WARNING, ha,
4008 "[ERROR] Failed to load segment %d of "
4009 "firmware\n", fragment);
4010 break;
4011 }
4012
4013 fwcode += dlen;
4014 risc_addr += dlen;
4015 risc_size -= dlen;
4016 fragment++;
4017 }
4018
4019 /* Next segment. */
4020 segments--;
4021 }
4022 return rval;
4023
4024fail_fw_integrity:
4025 return QLA_FUNCTION_FAILED;
4026}
4027
4028void
4029qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4030{
4031 int ret, retries;
4032
4033 if (!IS_FWI2_CAPABLE(ha))
4034 return;
4035 if (!ha->fw_major_version)
4036 return;
4037
4038 ret = qla2x00_stop_firmware(ha);
4039 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4040 retries ; retries--) {
4041 ha->isp_ops->reset_chip(ha);
4042 if (ha->isp_ops->chip_diag(ha) != QLA_SUCCESS)
4043 continue;
4044 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4045 continue;
4046 qla_printk(KERN_INFO, ha,
4047 "Attempting retry of stop-firmware command...\n");
4048 ret = qla2x00_stop_firmware(ha);
4049 }
4050}
4051
4052int
4053qla24xx_configure_vhba(scsi_qla_host_t *ha)
4054{
4055 int rval = QLA_SUCCESS;
4056 uint16_t mb[MAILBOX_REGISTER_COUNT];
4057
4058 if (!ha->parent)
4059 return -EINVAL;
4060
4061 rval = qla2x00_fw_ready(ha->parent);
4062 if (rval == QLA_SUCCESS) {
4063 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4064 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4065 }
4066
4067 ha->flags.management_server_logged_in = 0;
4068
4069 /* Login to SNS first */
4070 qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc,
4071 mb, BIT_1);
4072 if (mb[0] != MBS_COMMAND_COMPLETE) {
4073 DEBUG15(qla_printk(KERN_INFO, ha,
4074 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4075 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4076 mb[0], mb[1], mb[2], mb[6], mb[7]));
4077 return (QLA_FUNCTION_FAILED);
4078 }
4079
4080 atomic_set(&ha->loop_down_timer, 0);
4081 atomic_set(&ha->loop_state, LOOP_UP);
4082 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4083 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4084 rval = qla2x00_loop_resync(ha->parent);
4085
4086 return rval;
4087}
4088
4089/* 84XX Support **************************************************************/
4090
4091static LIST_HEAD(qla_cs84xx_list);
4092static DEFINE_MUTEX(qla_cs84xx_mutex);
4093
4094static struct qla_chip_state_84xx *
4095qla84xx_get_chip(struct scsi_qla_host *ha)
4096{
4097 struct qla_chip_state_84xx *cs84xx;
4098
4099 mutex_lock(&qla_cs84xx_mutex);
4100
4101 /* Find any shared 84xx chip. */
4102 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4103 if (cs84xx->bus == ha->pdev->bus) {
4104 kref_get(&cs84xx->kref);
4105 goto done;
4106 }
4107 }
4108
4109 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4110 if (!cs84xx)
4111 goto done;
4112
4113 kref_init(&cs84xx->kref);
4114 spin_lock_init(&cs84xx->access_lock);
4115 mutex_init(&cs84xx->fw_update_mutex);
4116 cs84xx->bus = ha->pdev->bus;
4117
4118 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4119done:
4120 mutex_unlock(&qla_cs84xx_mutex);
4121 return cs84xx;
4122}
4123
4124static void
4125__qla84xx_chip_release(struct kref *kref)
4126{
4127 struct qla_chip_state_84xx *cs84xx =
4128 container_of(kref, struct qla_chip_state_84xx, kref);
4129
4130 mutex_lock(&qla_cs84xx_mutex);
4131 list_del(&cs84xx->list);
4132 mutex_unlock(&qla_cs84xx_mutex);
4133 kfree(cs84xx);
4134}
4135
4136void
4137qla84xx_put_chip(struct scsi_qla_host *ha)
4138{
4139 if (ha->cs84xx)
4140 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4141}
4142
4143static int
4144qla84xx_init_chip(scsi_qla_host_t *ha)
4145{
4146 int rval;
4147 uint16_t status[2];
4148
4149 mutex_lock(&ha->cs84xx->fw_update_mutex);
4150
4151 rval = qla84xx_verify_chip(ha, status);
4152
4153 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4154
4155 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4156 QLA_SUCCESS;
4157}
Linux kernel - Deliverables
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