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iwlwifi: introduce host commands callbacks
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_init.c
blob364be7d068759c4972cc7fd414cc26c63c396323
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 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 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
19 #ifndef EXT_IS_LUN_BIT_SET
20 #define EXT_IS_LUN_BIT_SET(P,L) \
21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
22 #define EXT_SET_LUN_BIT(P,L) \
23 ((P)->mask[L/8] |= (0x80 >> (L%8)))
24 #endif
25
26 /*
27 * QLogic ISP2x00 Hardware Support Function Prototypes.
28 */
29 static int qla2x00_isp_firmware(scsi_qla_host_t *);
30 static void qla2x00_resize_request_q(scsi_qla_host_t *);
31 static int qla2x00_setup_chip(scsi_qla_host_t *);
32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
33 static int qla2x00_init_rings(scsi_qla_host_t *);
34 static int qla2x00_fw_ready(scsi_qla_host_t *);
35 static int qla2x00_configure_hba(scsi_qla_host_t *);
36 static int qla2x00_configure_loop(scsi_qla_host_t *);
37 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
38 static int qla2x00_configure_fabric(scsi_qla_host_t *);
39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
40 static int qla2x00_device_resync(scsi_qla_host_t *);
41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
42 uint16_t *);
43
44 static int qla2x00_restart_isp(scsi_qla_host_t *);
45
46 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
47
48 /****************************************************************************/
49 /* QLogic ISP2x00 Hardware Support Functions. */
50 /****************************************************************************/
51
52 /*
53 * qla2x00_initialize_adapter
54 * Initialize board.
55 *
56 * Input:
57 * ha = adapter block pointer.
58 *
59 * Returns:
60 * 0 = success
61 */
62 int
63 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
64 {
65 int rval;
66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
72 ha->device_flags = DFLG_NO_CABLE;
73 ha->dpc_flags = 0;
74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
80
81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
82 rval = ha->isp_ops->pci_config(ha);
83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
85 ha->host_no));
86 return (rval);
87 }
88
89 ha->isp_ops->reset_chip(ha);
90
91 ha->isp_ops->get_flash_version(ha, ha->request_ring);
92
93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
94
95 ha->isp_ops->nvram_config(ha);
96
97 if (ha->flags.disable_serdes) {
98 /* Mask HBA via NVRAM settings? */
99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
101 ha->port_name[0], ha->port_name[1],
102 ha->port_name[2], ha->port_name[3],
103 ha->port_name[4], ha->port_name[5],
104 ha->port_name[6], ha->port_name[7]);
105 return QLA_FUNCTION_FAILED;
106 }
107
108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
109
110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
111 rval = ha->isp_ops->chip_diag(ha);
112 if (rval)
113 return (rval);
114 rval = qla2x00_setup_chip(ha);
115 if (rval)
116 return (rval);
117 }
118 rval = qla2x00_init_rings(ha);
119
120 return (rval);
121 }
122
123 /**
124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
125 * @ha: HA context
126 *
127 * Returns 0 on success.
128 */
129 int
130 qla2100_pci_config(scsi_qla_host_t *ha)
131 {
132 uint16_t w;
133 uint32_t d;
134 unsigned long flags;
135 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
136
137 pci_set_master(ha->pdev);
138 pci_try_set_mwi(ha->pdev);
139
140 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
141 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
142 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
143
144 /* Reset expansion ROM address decode enable */
145 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
146 d &= ~PCI_ROM_ADDRESS_ENABLE;
147 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
148
149 /* Get PCI bus information. */
150 spin_lock_irqsave(&ha->hardware_lock, flags);
151 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
152 spin_unlock_irqrestore(&ha->hardware_lock, flags);
153
154 return QLA_SUCCESS;
155 }
156
157 /**
158 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
159 * @ha: HA context
160 *
161 * Returns 0 on success.
162 */
163 int
164 qla2300_pci_config(scsi_qla_host_t *ha)
165 {
166 uint16_t w;
167 uint32_t d;
168 unsigned long flags = 0;
169 uint32_t cnt;
170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
171
172 pci_set_master(ha->pdev);
173 pci_try_set_mwi(ha->pdev);
174
175 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
176 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
177
178 if (IS_QLA2322(ha) || IS_QLA6322(ha))
179 w &= ~PCI_COMMAND_INTX_DISABLE;
180 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
181
182 /*
183 * If this is a 2300 card and not 2312, reset the
184 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
185 * the 2310 also reports itself as a 2300 so we need to get the
186 * fb revision level -- a 6 indicates it really is a 2300 and
187 * not a 2310.
188 */
189 if (IS_QLA2300(ha)) {
190 spin_lock_irqsave(&ha->hardware_lock, flags);
191
192 /* Pause RISC. */
193 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
194 for (cnt = 0; cnt < 30000; cnt++) {
195 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
196 break;
197
198 udelay(10);
199 }
200
201 /* Select FPM registers. */
202 WRT_REG_WORD(&reg->ctrl_status, 0x20);
203 RD_REG_WORD(&reg->ctrl_status);
204
205 /* Get the fb rev level */
206 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
207
208 if (ha->fb_rev == FPM_2300)
209 pci_clear_mwi(ha->pdev);
210
211 /* Deselect FPM registers. */
212 WRT_REG_WORD(&reg->ctrl_status, 0x0);
213 RD_REG_WORD(&reg->ctrl_status);
214
215 /* Release RISC module. */
216 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
217 for (cnt = 0; cnt < 30000; cnt++) {
218 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
219 break;
220
221 udelay(10);
222 }
223
224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
225 }
226
227 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
228
229 /* Reset expansion ROM address decode enable */
230 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
231 d &= ~PCI_ROM_ADDRESS_ENABLE;
232 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
233
234 /* Get PCI bus information. */
235 spin_lock_irqsave(&ha->hardware_lock, flags);
236 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238
239 return QLA_SUCCESS;
240 }
241
242 /**
243 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
244 * @ha: HA context
245 *
246 * Returns 0 on success.
247 */
248 int
249 qla24xx_pci_config(scsi_qla_host_t *ha)
250 {
251 uint16_t w;
252 uint32_t d;
253 unsigned long flags = 0;
254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
255
256 pci_set_master(ha->pdev);
257 pci_try_set_mwi(ha->pdev);
258
259 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
260 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
261 w &= ~PCI_COMMAND_INTX_DISABLE;
262 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
263
264 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
265
266 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
267 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
268 pcix_set_mmrbc(ha->pdev, 2048);
269
270 /* PCIe -- adjust Maximum Read Request Size (2048). */
271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
272 pcie_set_readrq(ha->pdev, 2048);
273
274 /* Reset expansion ROM address decode enable */
275 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
276 d &= ~PCI_ROM_ADDRESS_ENABLE;
277 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
278
279 ha->chip_revision = ha->pdev->revision;
280
281 /* Get PCI bus information. */
282 spin_lock_irqsave(&ha->hardware_lock, flags);
283 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
284 spin_unlock_irqrestore(&ha->hardware_lock, flags);
285
286 return QLA_SUCCESS;
287 }
288
289 /**
290 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
291 * @ha: HA context
292 *
293 * Returns 0 on success.
294 */
295 int
296 qla25xx_pci_config(scsi_qla_host_t *ha)
297 {
298 uint16_t w;
299 uint32_t d;
300
301 pci_set_master(ha->pdev);
302 pci_try_set_mwi(ha->pdev);
303
304 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
305 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
306 w &= ~PCI_COMMAND_INTX_DISABLE;
307 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
308
309 /* PCIe -- adjust Maximum Read Request Size (2048). */
310 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
311 pcie_set_readrq(ha->pdev, 2048);
312
313 /* Reset expansion ROM address decode enable */
314 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
315 d &= ~PCI_ROM_ADDRESS_ENABLE;
316 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
317
318 ha->chip_revision = ha->pdev->revision;
319
320 return QLA_SUCCESS;
321 }
322
323 /**
324 * qla2x00_isp_firmware() - Choose firmware image.
325 * @ha: HA context
326 *
327 * Returns 0 on success.
328 */
329 static int
330 qla2x00_isp_firmware(scsi_qla_host_t *ha)
331 {
332 int rval;
333
334 /* Assume loading risc code */
335 rval = QLA_FUNCTION_FAILED;
336
337 if (ha->flags.disable_risc_code_load) {
338 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
339 ha->host_no));
340 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
341
342 /* Verify checksum of loaded RISC code. */
343 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
344 }
345
346 if (rval) {
347 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
348 ha->host_no));
349 }
350
351 return (rval);
352 }
353
354 /**
355 * qla2x00_reset_chip() - Reset ISP chip.
356 * @ha: HA context
357 *
358 * Returns 0 on success.
359 */
360 void
361 qla2x00_reset_chip(scsi_qla_host_t *ha)
362 {
363 unsigned long flags = 0;
364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
365 uint32_t cnt;
366 uint16_t cmd;
367
368 ha->isp_ops->disable_intrs(ha);
369
370 spin_lock_irqsave(&ha->hardware_lock, flags);
371
372 /* Turn off master enable */
373 cmd = 0;
374 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
375 cmd &= ~PCI_COMMAND_MASTER;
376 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
377
378 if (!IS_QLA2100(ha)) {
379 /* Pause RISC. */
380 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
381 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
382 for (cnt = 0; cnt < 30000; cnt++) {
383 if ((RD_REG_WORD(&reg->hccr) &
384 HCCR_RISC_PAUSE) != 0)
385 break;
386 udelay(100);
387 }
388 } else {
389 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
390 udelay(10);
391 }
392
393 /* Select FPM registers. */
394 WRT_REG_WORD(&reg->ctrl_status, 0x20);
395 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
396
397 /* FPM Soft Reset. */
398 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
399 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
400
401 /* Toggle Fpm Reset. */
402 if (!IS_QLA2200(ha)) {
403 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
404 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
405 }
406
407 /* Select frame buffer registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0x10);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset frame buffer FIFOs. */
412 if (IS_QLA2200(ha)) {
413 WRT_FB_CMD_REG(ha, reg, 0xa000);
414 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
415 } else {
416 WRT_FB_CMD_REG(ha, reg, 0x00fc);
417
418 /* Read back fb_cmd until zero or 3 seconds max */
419 for (cnt = 0; cnt < 3000; cnt++) {
420 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
421 break;
422 udelay(100);
423 }
424 }
425
426 /* Select RISC module registers. */
427 WRT_REG_WORD(&reg->ctrl_status, 0);
428 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
429
430 /* Reset RISC processor. */
431 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
433
434 /* Release RISC processor. */
435 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
436 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
437 }
438
439 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
440 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
441
442 /* Reset ISP chip. */
443 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
444
445 /* Wait for RISC to recover from reset. */
446 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
447 /*
448 * It is necessary to for a delay here since the card doesn't
449 * respond to PCI reads during a reset. On some architectures
450 * this will result in an MCA.
451 */
452 udelay(20);
453 for (cnt = 30000; cnt; cnt--) {
454 if ((RD_REG_WORD(&reg->ctrl_status) &
455 CSR_ISP_SOFT_RESET) == 0)
456 break;
457 udelay(100);
458 }
459 } else
460 udelay(10);
461
462 /* Reset RISC processor. */
463 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
464
465 WRT_REG_WORD(&reg->semaphore, 0);
466
467 /* Release RISC processor. */
468 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470
471 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
472 for (cnt = 0; cnt < 30000; cnt++) {
473 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
474 break;
475
476 udelay(100);
477 }
478 } else
479 udelay(100);
480
481 /* Turn on master enable */
482 cmd |= PCI_COMMAND_MASTER;
483 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
484
485 /* Disable RISC pause on FPM parity error. */
486 if (!IS_QLA2100(ha)) {
487 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 spin_unlock_irqrestore(&ha->hardware_lock, flags);
492 }
493
494 /**
495 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
496 * @ha: HA context
497 *
498 * Returns 0 on success.
499 */
500 static inline void
501 qla24xx_reset_risc(scsi_qla_host_t *ha)
502 {
503 unsigned long flags = 0;
504 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
505 uint32_t cnt, d2;
506 uint16_t wd;
507
508 spin_lock_irqsave(&ha->hardware_lock, flags);
509
510 /* Reset RISC. */
511 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
512 for (cnt = 0; cnt < 30000; cnt++) {
513 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
514 break;
515
516 udelay(10);
517 }
518
519 WRT_REG_DWORD(&reg->ctrl_status,
520 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
521 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
522
523 udelay(100);
524 /* Wait for firmware to complete NVRAM accesses. */
525 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
526 for (cnt = 10000 ; cnt && d2; cnt--) {
527 udelay(5);
528 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
529 barrier();
530 }
531
532 /* Wait for soft-reset to complete. */
533 d2 = RD_REG_DWORD(&reg->ctrl_status);
534 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
535 udelay(5);
536 d2 = RD_REG_DWORD(&reg->ctrl_status);
537 barrier();
538 }
539
540 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
541 RD_REG_DWORD(&reg->hccr);
542
543 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
544 RD_REG_DWORD(&reg->hccr);
545
546 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
547 RD_REG_DWORD(&reg->hccr);
548
549 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
550 for (cnt = 6000000 ; cnt && d2; cnt--) {
551 udelay(5);
552 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
553 barrier();
554 }
555
556 spin_unlock_irqrestore(&ha->hardware_lock, flags);
557 }
558
559 /**
560 * qla24xx_reset_chip() - Reset ISP24xx chip.
561 * @ha: HA context
562 *
563 * Returns 0 on success.
564 */
565 void
566 qla24xx_reset_chip(scsi_qla_host_t *ha)
567 {
568 ha->isp_ops->disable_intrs(ha);
569
570 /* Perform RISC reset. */
571 qla24xx_reset_risc(ha);
572 }
573
574 /**
575 * qla2x00_chip_diag() - Test chip for proper operation.
576 * @ha: HA context
577 *
578 * Returns 0 on success.
579 */
580 int
581 qla2x00_chip_diag(scsi_qla_host_t *ha)
582 {
583 int rval;
584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
585 unsigned long flags = 0;
586 uint16_t data;
587 uint32_t cnt;
588 uint16_t mb[5];
589
590 /* Assume a failed state */
591 rval = QLA_FUNCTION_FAILED;
592
593 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
594 ha->host_no, (u_long)&reg->flash_address));
595
596 spin_lock_irqsave(&ha->hardware_lock, flags);
597
598 /* Reset ISP chip. */
599 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
600
601 /*
602 * We need to have a delay here since the card will not respond while
603 * in reset causing an MCA on some architectures.
604 */
605 udelay(20);
606 data = qla2x00_debounce_register(&reg->ctrl_status);
607 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
608 udelay(5);
609 data = RD_REG_WORD(&reg->ctrl_status);
610 barrier();
611 }
612
613 if (!cnt)
614 goto chip_diag_failed;
615
616 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
617 ha->host_no));
618
619 /* Reset RISC processor. */
620 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
621 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
622
623 /* Workaround for QLA2312 PCI parity error */
624 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
625 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
626 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
627 udelay(5);
628 data = RD_MAILBOX_REG(ha, reg, 0);
629 barrier();
630 }
631 } else
632 udelay(10);
633
634 if (!cnt)
635 goto chip_diag_failed;
636
637 /* Check product ID of chip */
638 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
639
640 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
641 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
642 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
643 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
644 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
645 mb[3] != PROD_ID_3) {
646 qla_printk(KERN_WARNING, ha,
647 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
648
649 goto chip_diag_failed;
650 }
651 ha->product_id[0] = mb[1];
652 ha->product_id[1] = mb[2];
653 ha->product_id[2] = mb[3];
654 ha->product_id[3] = mb[4];
655
656 /* Adjust fw RISC transfer size */
657 if (ha->request_q_length > 1024)
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
659 else
660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
661 ha->request_q_length;
662
663 if (IS_QLA2200(ha) &&
664 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
665 /* Limit firmware transfer size with a 2200A */
666 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
667 ha->host_no));
668
669 ha->device_type |= DT_ISP2200A;
670 ha->fw_transfer_size = 128;
671 }
672
673 /* Wrap Incoming Mailboxes Test. */
674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
675
676 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
677 rval = qla2x00_mbx_reg_test(ha);
678 if (rval) {
679 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
680 ha->host_no));
681 qla_printk(KERN_WARNING, ha,
682 "Failed mailbox send register test\n");
683 }
684 else {
685 /* Flag a successful rval */
686 rval = QLA_SUCCESS;
687 }
688 spin_lock_irqsave(&ha->hardware_lock, flags);
689
690 chip_diag_failed:
691 if (rval)
692 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
693 "****\n", ha->host_no));
694
695 spin_unlock_irqrestore(&ha->hardware_lock, flags);
696
697 return (rval);
698 }
699
700 /**
701 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
702 * @ha: HA context
703 *
704 * Returns 0 on success.
705 */
706 int
707 qla24xx_chip_diag(scsi_qla_host_t *ha)
708 {
709 int rval;
710
711 /* Perform RISC reset. */
712 qla24xx_reset_risc(ha);
713
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
715
716 rval = qla2x00_mbx_reg_test(ha);
717 if (rval) {
718 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
719 ha->host_no));
720 qla_printk(KERN_WARNING, ha,
721 "Failed mailbox send register test\n");
722 } else {
723 /* Flag a successful rval */
724 rval = QLA_SUCCESS;
725 }
726
727 return rval;
728 }
729
730 void
731 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
732 {
733 int rval;
734 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
735 eft_size, fce_size;
736 dma_addr_t tc_dma;
737 void *tc;
738
739 if (ha->fw_dump) {
740 qla_printk(KERN_WARNING, ha,
741 "Firmware dump previously allocated.\n");
742 return;
743 }
744
745 ha->fw_dumped = 0;
746 fixed_size = mem_size = eft_size = fce_size = 0;
747 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
748 fixed_size = sizeof(struct qla2100_fw_dump);
749 } else if (IS_QLA23XX(ha)) {
750 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
751 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
752 sizeof(uint16_t);
753 } else if (IS_FWI2_CAPABLE(ha)) {
754 fixed_size = IS_QLA25XX(ha) ?
755 offsetof(struct qla25xx_fw_dump, ext_mem):
756 offsetof(struct qla24xx_fw_dump, ext_mem);
757 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
758 sizeof(uint32_t);
759
760 /* Allocate memory for Extended Trace Buffer. */
761 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
762 GFP_KERNEL);
763 if (!tc) {
764 qla_printk(KERN_WARNING, ha, "Unable to allocate "
765 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
766 goto cont_alloc;
767 }
768
769 memset(tc, 0, EFT_SIZE);
770 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
771 if (rval) {
772 qla_printk(KERN_WARNING, ha, "Unable to initialize "
773 "EFT (%d).\n", rval);
774 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
775 tc_dma);
776 goto cont_alloc;
777 }
778
779 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
780 EFT_SIZE / 1024);
781
782 eft_size = EFT_SIZE;
783 ha->eft_dma = tc_dma;
784 ha->eft = tc;
785
786 /* Allocate memory for Fibre Channel Event Buffer. */
787 if (!IS_QLA25XX(ha))
788 goto cont_alloc;
789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
795 goto cont_alloc;
796 }
797
798 memset(tc, 0, FCE_SIZE);
799 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
807 goto cont_alloc;
808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
813 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
817 }
818 cont_alloc:
819 req_q_size = ha->request_q_length * sizeof(request_t);
820 rsp_q_size = ha->response_q_length * sizeof(response_t);
821
822 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
823 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
824 eft_size + fce_size;
825
826 ha->fw_dump = vmalloc(dump_size);
827 if (!ha->fw_dump) {
828 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
829 "firmware dump!!!\n", dump_size / 1024);
830
831 if (ha->eft) {
832 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
833 ha->eft_dma);
834 ha->eft = NULL;
835 ha->eft_dma = 0;
836 }
837 return;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
841 dump_size / 1024);
842
843 ha->fw_dump_len = dump_size;
844 ha->fw_dump->signature[0] = 'Q';
845 ha->fw_dump->signature[1] = 'L';
846 ha->fw_dump->signature[2] = 'G';
847 ha->fw_dump->signature[3] = 'C';
848 ha->fw_dump->version = __constant_htonl(1);
849
850 ha->fw_dump->fixed_size = htonl(fixed_size);
851 ha->fw_dump->mem_size = htonl(mem_size);
852 ha->fw_dump->req_q_size = htonl(req_q_size);
853 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
854
855 ha->fw_dump->eft_size = htonl(eft_size);
856 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
857 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
858
859 ha->fw_dump->header_size =
860 htonl(offsetof(struct qla2xxx_fw_dump, isp));
861 }
862
863 /**
864 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869 static void
870 qla2x00_resize_request_q(scsi_qla_host_t *ha)
871 {
872 int rval;
873 uint16_t fw_iocb_cnt = 0;
874 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
875 dma_addr_t request_dma;
876 request_t *request_ring;
877
878 /* Valid only on recent ISPs. */
879 if (IS_QLA2100(ha) || IS_QLA2200(ha))
880 return;
881
882 /* Retrieve IOCB counts available to the firmware. */
883 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
884 &ha->max_npiv_vports);
885 if (rval)
886 return;
887 /* No point in continuing if current settings are sufficient. */
888 if (fw_iocb_cnt < 1024)
889 return;
890 if (ha->request_q_length >= request_q_length)
891 return;
892
893 /* Attempt to claim larger area for request queue. */
894 request_ring = dma_alloc_coherent(&ha->pdev->dev,
895 (request_q_length + 1) * sizeof(request_t), &request_dma,
896 GFP_KERNEL);
897 if (request_ring == NULL)
898 return;
899
900 /* Resize successful, report extensions. */
901 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
902 (ha->fw_memory_size + 1) / 1024);
903 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
904 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
905
906 /* Clear old allocations. */
907 dma_free_coherent(&ha->pdev->dev,
908 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
909 ha->request_dma);
910
911 /* Begin using larger queue. */
912 ha->request_q_length = request_q_length;
913 ha->request_ring = request_ring;
914 ha->request_dma = request_dma;
915 }
916
917 /**
918 * qla2x00_setup_chip() - Load and start RISC firmware.
919 * @ha: HA context
920 *
921 * Returns 0 on success.
922 */
923 static int
924 qla2x00_setup_chip(scsi_qla_host_t *ha)
925 {
926 int rval;
927 uint32_t srisc_address = 0;
928 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
929 unsigned long flags;
930
931 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
932 /* Disable SRAM, Instruction RAM and GP RAM parity. */
933 spin_lock_irqsave(&ha->hardware_lock, flags);
934 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
935 RD_REG_WORD(&reg->hccr);
936 spin_unlock_irqrestore(&ha->hardware_lock, flags);
937 }
938
939 /* Load firmware sequences */
940 rval = ha->isp_ops->load_risc(ha, &srisc_address);
941 if (rval == QLA_SUCCESS) {
942 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
943 "code.\n", ha->host_no));
944
945 rval = qla2x00_verify_checksum(ha, srisc_address);
946 if (rval == QLA_SUCCESS) {
947 /* Start firmware execution. */
948 DEBUG(printk("scsi(%ld): Checksum OK, start "
949 "firmware.\n", ha->host_no));
950
951 rval = qla2x00_execute_fw(ha, srisc_address);
952 /* Retrieve firmware information. */
953 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
954 qla2x00_get_fw_version(ha,
955 &ha->fw_major_version,
956 &ha->fw_minor_version,
957 &ha->fw_subminor_version,
958 &ha->fw_attributes, &ha->fw_memory_size);
959 qla2x00_resize_request_q(ha);
960 ha->flags.npiv_supported = 0;
961 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
962 (ha->fw_attributes & BIT_2)) {
963 ha->flags.npiv_supported = 1;
964 if ((!ha->max_npiv_vports) ||
965 ((ha->max_npiv_vports + 1) %
966 MIN_MULTI_ID_FABRIC))
967 ha->max_npiv_vports =
968 MIN_MULTI_ID_FABRIC - 1;
969 }
970
971 if (ql2xallocfwdump)
972 qla2x00_alloc_fw_dump(ha);
973 }
974 } else {
975 DEBUG2(printk(KERN_INFO
976 "scsi(%ld): ISP Firmware failed checksum.\n",
977 ha->host_no));
978 }
979 }
980
981 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
982 /* Enable proper parity. */
983 spin_lock_irqsave(&ha->hardware_lock, flags);
984 if (IS_QLA2300(ha))
985 /* SRAM parity */
986 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
987 else
988 /* SRAM, Instruction RAM and GP RAM parity */
989 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
990 RD_REG_WORD(&reg->hccr);
991 spin_unlock_irqrestore(&ha->hardware_lock, flags);
992 }
993
994 if (rval) {
995 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
996 ha->host_no));
997 }
998
999 return (rval);
1000 }
1001
1002 /**
1003 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1004 * @ha: HA context
1005 *
1006 * Beginning of request ring has initialization control block already built
1007 * by nvram config routine.
1008 *
1009 * Returns 0 on success.
1010 */
1011 static void
1012 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1013 {
1014 uint16_t cnt;
1015 response_t *pkt;
1016
1017 pkt = ha->response_ring_ptr;
1018 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1019 pkt->signature = RESPONSE_PROCESSED;
1020 pkt++;
1021 }
1022
1023 }
1024
1025 /**
1026 * qla2x00_update_fw_options() - Read and process firmware options.
1027 * @ha: HA context
1028 *
1029 * Returns 0 on success.
1030 */
1031 void
1032 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1033 {
1034 uint16_t swing, emphasis, tx_sens, rx_sens;
1035
1036 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1037 qla2x00_get_fw_options(ha, ha->fw_options);
1038
1039 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1040 return;
1041
1042 /* Serial Link options. */
1043 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1044 ha->host_no));
1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1046 sizeof(ha->fw_seriallink_options)));
1047
1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1049 if (ha->fw_seriallink_options[3] & BIT_2) {
1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1051
1052 /* 1G settings */
1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1054 emphasis = (ha->fw_seriallink_options[2] &
1055 (BIT_4 | BIT_3)) >> 3;
1056 tx_sens = ha->fw_seriallink_options[0] &
1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1058 rx_sens = (ha->fw_seriallink_options[0] &
1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1062 if (rx_sens == 0x0)
1063 rx_sens = 0x3;
1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1066 ha->fw_options[10] |= BIT_5 |
1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1068 (tx_sens & (BIT_1 | BIT_0));
1069
1070 /* 2G settings */
1071 swing = (ha->fw_seriallink_options[2] &
1072 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1074 tx_sens = ha->fw_seriallink_options[1] &
1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1076 rx_sens = (ha->fw_seriallink_options[1] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[11] = (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[11] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[11] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087 }
1088
1089 /* FCP2 options. */
1090 /* Return command IOCBs without waiting for an ABTS to complete. */
1091 ha->fw_options[3] |= BIT_13;
1092
1093 /* LED scheme. */
1094 if (ha->flags.enable_led_scheme)
1095 ha->fw_options[2] |= BIT_12;
1096
1097 /* Detect ISP6312. */
1098 if (IS_QLA6312(ha))
1099 ha->fw_options[2] |= BIT_13;
1100
1101 /* Update firmware options. */
1102 qla2x00_set_fw_options(ha, ha->fw_options);
1103 }
1104
1105 void
1106 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1107 {
1108 int rval;
1109
1110 /* Update Serial Link options. */
1111 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1112 return;
1113
1114 rval = qla2x00_set_serdes_params(ha,
1115 le16_to_cpu(ha->fw_seriallink_options24[1]),
1116 le16_to_cpu(ha->fw_seriallink_options24[2]),
1117 le16_to_cpu(ha->fw_seriallink_options24[3]));
1118 if (rval != QLA_SUCCESS) {
1119 qla_printk(KERN_WARNING, ha,
1120 "Unable to update Serial Link options (%x).\n", rval);
1121 }
1122 }
1123
1124 void
1125 qla2x00_config_rings(struct scsi_qla_host *ha)
1126 {
1127 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1128
1129 /* Setup ring parameters in initialization control block. */
1130 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1131 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1132 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1133 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1134 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1135 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1136 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1137 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1138
1139 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1140 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1141 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1142 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1143 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1144 }
1145
1146 void
1147 qla24xx_config_rings(struct scsi_qla_host *ha)
1148 {
1149 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1150 struct init_cb_24xx *icb;
1151
1152 /* Setup ring parameters in initialization control block. */
1153 icb = (struct init_cb_24xx *)ha->init_cb;
1154 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1155 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1156 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1157 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1158 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1159 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1160 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1161 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1162
1163 WRT_REG_DWORD(&reg->req_q_in, 0);
1164 WRT_REG_DWORD(&reg->req_q_out, 0);
1165 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1166 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1167 RD_REG_DWORD(&reg->rsp_q_out);
1168 }
1169
1170 /**
1171 * qla2x00_init_rings() - Initializes firmware.
1172 * @ha: HA context
1173 *
1174 * Beginning of request ring has initialization control block already built
1175 * by nvram config routine.
1176 *
1177 * Returns 0 on success.
1178 */
1179 static int
1180 qla2x00_init_rings(scsi_qla_host_t *ha)
1181 {
1182 int rval;
1183 unsigned long flags = 0;
1184 int cnt;
1185 struct mid_init_cb_24xx *mid_init_cb =
1186 (struct mid_init_cb_24xx *) ha->init_cb;
1187
1188 spin_lock_irqsave(&ha->hardware_lock, flags);
1189
1190 /* Clear outstanding commands array. */
1191 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1192 ha->outstanding_cmds[cnt] = NULL;
1193
1194 ha->current_outstanding_cmd = 0;
1195
1196 /* Clear RSCN queue. */
1197 ha->rscn_in_ptr = 0;
1198 ha->rscn_out_ptr = 0;
1199
1200 /* Initialize firmware. */
1201 ha->request_ring_ptr = ha->request_ring;
1202 ha->req_ring_index = 0;
1203 ha->req_q_cnt = ha->request_q_length;
1204 ha->response_ring_ptr = ha->response_ring;
1205 ha->rsp_ring_index = 0;
1206
1207 /* Initialize response queue entries */
1208 qla2x00_init_response_q_entries(ha);
1209
1210 ha->isp_ops->config_rings(ha);
1211
1212 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1213
1214 /* Update any ISP specific firmware options before initialization. */
1215 ha->isp_ops->update_fw_options(ha);
1216
1217 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1218
1219 if (ha->flags.npiv_supported)
1220 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1221
1222 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1223
1224 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1225 if (rval) {
1226 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1227 ha->host_no));
1228 } else {
1229 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1230 ha->host_no));
1231 }
1232
1233 return (rval);
1234 }
1235
1236 /**
1237 * qla2x00_fw_ready() - Waits for firmware ready.
1238 * @ha: HA context
1239 *
1240 * Returns 0 on success.
1241 */
1242 static int
1243 qla2x00_fw_ready(scsi_qla_host_t *ha)
1244 {
1245 int rval;
1246 unsigned long wtime, mtime;
1247 uint16_t min_wait; /* Minimum wait time if loop is down */
1248 uint16_t wait_time; /* Wait time if loop is coming ready */
1249 uint16_t fw_state;
1250
1251 rval = QLA_SUCCESS;
1252
1253 /* 20 seconds for loop down. */
1254 min_wait = 20;
1255
1256 /*
1257 * Firmware should take at most one RATOV to login, plus 5 seconds for
1258 * our own processing.
1259 */
1260 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1261 wait_time = min_wait;
1262 }
1263
1264 /* Min wait time if loop down */
1265 mtime = jiffies + (min_wait * HZ);
1266
1267 /* wait time before firmware ready */
1268 wtime = jiffies + (wait_time * HZ);
1269
1270 /* Wait for ISP to finish LIP */
1271 if (!ha->flags.init_done)
1272 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1273
1274 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1275 ha->host_no));
1276
1277 do {
1278 rval = qla2x00_get_firmware_state(ha, &fw_state);
1279 if (rval == QLA_SUCCESS) {
1280 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1281 ha->device_flags &= ~DFLG_NO_CABLE;
1282 }
1283 if (fw_state == FSTATE_READY) {
1284 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1285 ha->host_no));
1286
1287 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1288 &ha->login_timeout, &ha->r_a_tov);
1289
1290 rval = QLA_SUCCESS;
1291 break;
1292 }
1293
1294 rval = QLA_FUNCTION_FAILED;
1295
1296 if (atomic_read(&ha->loop_down_timer) &&
1297 fw_state != FSTATE_READY) {
1298 /* Loop down. Timeout on min_wait for states
1299 * other than Wait for Login.
1300 */
1301 if (time_after_eq(jiffies, mtime)) {
1302 qla_printk(KERN_INFO, ha,
1303 "Cable is unplugged...\n");
1304
1305 ha->device_flags |= DFLG_NO_CABLE;
1306 break;
1307 }
1308 }
1309 } else {
1310 /* Mailbox cmd failed. Timeout on min_wait. */
1311 if (time_after_eq(jiffies, mtime))
1312 break;
1313 }
1314
1315 if (time_after_eq(jiffies, wtime))
1316 break;
1317
1318 /* Delay for a while */
1319 msleep(500);
1320
1321 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1322 ha->host_no, fw_state, jiffies));
1323 } while (1);
1324
1325 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1326 ha->host_no, fw_state, jiffies));
1327
1328 if (rval) {
1329 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1330 ha->host_no));
1331 }
1332
1333 return (rval);
1334 }
1335
1336 /*
1337 * qla2x00_configure_hba
1338 * Setup adapter context.
1339 *
1340 * Input:
1341 * ha = adapter state pointer.
1342 *
1343 * Returns:
1344 * 0 = success
1345 *
1346 * Context:
1347 * Kernel context.
1348 */
1349 static int
1350 qla2x00_configure_hba(scsi_qla_host_t *ha)
1351 {
1352 int rval;
1353 uint16_t loop_id;
1354 uint16_t topo;
1355 uint16_t sw_cap;
1356 uint8_t al_pa;
1357 uint8_t area;
1358 uint8_t domain;
1359 char connect_type[22];
1360
1361 /* Get host addresses. */
1362 rval = qla2x00_get_adapter_id(ha,
1363 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1364 if (rval != QLA_SUCCESS) {
1365 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1366 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1367 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1368 __func__, ha->host_no));
1369 } else {
1370 qla_printk(KERN_WARNING, ha,
1371 "ERROR -- Unable to get host loop ID.\n");
1372 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1373 }
1374 return (rval);
1375 }
1376
1377 if (topo == 4) {
1378 qla_printk(KERN_INFO, ha,
1379 "Cannot get topology - retrying.\n");
1380 return (QLA_FUNCTION_FAILED);
1381 }
1382
1383 ha->loop_id = loop_id;
1384
1385 /* initialize */
1386 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1387 ha->operating_mode = LOOP;
1388 ha->switch_cap = 0;
1389
1390 switch (topo) {
1391 case 0:
1392 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1393 ha->host_no));
1394 ha->current_topology = ISP_CFG_NL;
1395 strcpy(connect_type, "(Loop)");
1396 break;
1397
1398 case 1:
1399 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1400 ha->host_no));
1401 ha->switch_cap = sw_cap;
1402 ha->current_topology = ISP_CFG_FL;
1403 strcpy(connect_type, "(FL_Port)");
1404 break;
1405
1406 case 2:
1407 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1408 ha->host_no));
1409 ha->operating_mode = P2P;
1410 ha->current_topology = ISP_CFG_N;
1411 strcpy(connect_type, "(N_Port-to-N_Port)");
1412 break;
1413
1414 case 3:
1415 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1416 ha->host_no));
1417 ha->switch_cap = sw_cap;
1418 ha->operating_mode = P2P;
1419 ha->current_topology = ISP_CFG_F;
1420 strcpy(connect_type, "(F_Port)");
1421 break;
1422
1423 default:
1424 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1425 "Using NL.\n",
1426 ha->host_no, topo));
1427 ha->current_topology = ISP_CFG_NL;
1428 strcpy(connect_type, "(Loop)");
1429 break;
1430 }
1431
1432 /* Save Host port and loop ID. */
1433 /* byte order - Big Endian */
1434 ha->d_id.b.domain = domain;
1435 ha->d_id.b.area = area;
1436 ha->d_id.b.al_pa = al_pa;
1437
1438 if (!ha->flags.init_done)
1439 qla_printk(KERN_INFO, ha,
1440 "Topology - %s, Host Loop address 0x%x\n",
1441 connect_type, ha->loop_id);
1442
1443 if (rval) {
1444 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1445 } else {
1446 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1447 }
1448
1449 return(rval);
1450 }
1451
1452 static inline void
1453 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1454 {
1455 char *st, *en;
1456 uint16_t index;
1457
1458 if (memcmp(model, BINZERO, len) != 0) {
1459 strncpy(ha->model_number, model, len);
1460 st = en = ha->model_number;
1461 en += len - 1;
1462 while (en > st) {
1463 if (*en != 0x20 && *en != 0x00)
1464 break;
1465 *en-- = '\0';
1466 }
1467
1468 index = (ha->pdev->subsystem_device & 0xff);
1469 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1470 index < QLA_MODEL_NAMES)
1471 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1472 } else {
1473 index = (ha->pdev->subsystem_device & 0xff);
1474 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1475 index < QLA_MODEL_NAMES) {
1476 strcpy(ha->model_number,
1477 qla2x00_model_name[index * 2]);
1478 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1479 } else {
1480 strcpy(ha->model_number, def);
1481 }
1482 }
1483 }
1484
1485 /* On sparc systems, obtain port and node WWN from firmware
1486 * properties.
1487 */
1488 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1489 {
1490 #ifdef CONFIG_SPARC
1491 struct pci_dev *pdev = ha->pdev;
1492 struct device_node *dp = pci_device_to_OF_node(pdev);
1493 const u8 *val;
1494 int len;
1495
1496 val = of_get_property(dp, "port-wwn", &len);
1497 if (val && len >= WWN_SIZE)
1498 memcpy(nv->port_name, val, WWN_SIZE);
1499
1500 val = of_get_property(dp, "node-wwn", &len);
1501 if (val && len >= WWN_SIZE)
1502 memcpy(nv->node_name, val, WWN_SIZE);
1503 #endif
1504 }
1505
1506 /*
1507 * NVRAM configuration for ISP 2xxx
1508 *
1509 * Input:
1510 * ha = adapter block pointer.
1511 *
1512 * Output:
1513 * initialization control block in response_ring
1514 * host adapters parameters in host adapter block
1515 *
1516 * Returns:
1517 * 0 = success.
1518 */
1519 int
1520 qla2x00_nvram_config(scsi_qla_host_t *ha)
1521 {
1522 int rval;
1523 uint8_t chksum = 0;
1524 uint16_t cnt;
1525 uint8_t *dptr1, *dptr2;
1526 init_cb_t *icb = ha->init_cb;
1527 nvram_t *nv = ha->nvram;
1528 uint8_t *ptr = ha->nvram;
1529 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1530
1531 rval = QLA_SUCCESS;
1532
1533 /* Determine NVRAM starting address. */
1534 ha->nvram_size = sizeof(nvram_t);
1535 ha->nvram_base = 0;
1536 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1537 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1538 ha->nvram_base = 0x80;
1539
1540 /* Get NVRAM data and calculate checksum. */
1541 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1542 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1543 chksum += *ptr++;
1544
1545 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1546 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1547
1548 /* Bad NVRAM data, set defaults parameters. */
1549 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1550 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1551 /* Reset NVRAM data. */
1552 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1553 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1554 nv->nvram_version);
1555 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1556 "invalid -- WWPN) defaults.\n");
1557
1558 /*
1559 * Set default initialization control block.
1560 */
1561 memset(nv, 0, ha->nvram_size);
1562 nv->parameter_block_version = ICB_VERSION;
1563
1564 if (IS_QLA23XX(ha)) {
1565 nv->firmware_options[0] = BIT_2 | BIT_1;
1566 nv->firmware_options[1] = BIT_7 | BIT_5;
1567 nv->add_firmware_options[0] = BIT_5;
1568 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1569 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1570 nv->special_options[1] = BIT_7;
1571 } else if (IS_QLA2200(ha)) {
1572 nv->firmware_options[0] = BIT_2 | BIT_1;
1573 nv->firmware_options[1] = BIT_7 | BIT_5;
1574 nv->add_firmware_options[0] = BIT_5;
1575 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1576 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1577 } else if (IS_QLA2100(ha)) {
1578 nv->firmware_options[0] = BIT_3 | BIT_1;
1579 nv->firmware_options[1] = BIT_5;
1580 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1581 }
1582
1583 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1584 nv->execution_throttle = __constant_cpu_to_le16(16);
1585 nv->retry_count = 8;
1586 nv->retry_delay = 1;
1587
1588 nv->port_name[0] = 33;
1589 nv->port_name[3] = 224;
1590 nv->port_name[4] = 139;
1591
1592 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1593
1594 nv->login_timeout = 4;
1595
1596 /*
1597 * Set default host adapter parameters
1598 */
1599 nv->host_p[1] = BIT_2;
1600 nv->reset_delay = 5;
1601 nv->port_down_retry_count = 8;
1602 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1603 nv->link_down_timeout = 60;
1604
1605 rval = 1;
1606 }
1607
1608 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1609 /*
1610 * The SN2 does not provide BIOS emulation which means you can't change
1611 * potentially bogus BIOS settings. Force the use of default settings
1612 * for link rate and frame size. Hope that the rest of the settings
1613 * are valid.
1614 */
1615 if (ia64_platform_is("sn2")) {
1616 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1617 if (IS_QLA23XX(ha))
1618 nv->special_options[1] = BIT_7;
1619 }
1620 #endif
1621
1622 /* Reset Initialization control block */
1623 memset(icb, 0, ha->init_cb_size);
1624
1625 /*
1626 * Setup driver NVRAM options.
1627 */
1628 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1629 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1630 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1631 nv->firmware_options[1] &= ~BIT_4;
1632
1633 if (IS_QLA23XX(ha)) {
1634 nv->firmware_options[0] |= BIT_2;
1635 nv->firmware_options[0] &= ~BIT_3;
1636 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1637
1638 if (IS_QLA2300(ha)) {
1639 if (ha->fb_rev == FPM_2310) {
1640 strcpy(ha->model_number, "QLA2310");
1641 } else {
1642 strcpy(ha->model_number, "QLA2300");
1643 }
1644 } else {
1645 qla2x00_set_model_info(ha, nv->model_number,
1646 sizeof(nv->model_number), "QLA23xx");
1647 }
1648 } else if (IS_QLA2200(ha)) {
1649 nv->firmware_options[0] |= BIT_2;
1650 /*
1651 * 'Point-to-point preferred, else loop' is not a safe
1652 * connection mode setting.
1653 */
1654 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1655 (BIT_5 | BIT_4)) {
1656 /* Force 'loop preferred, else point-to-point'. */
1657 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1658 nv->add_firmware_options[0] |= BIT_5;
1659 }
1660 strcpy(ha->model_number, "QLA22xx");
1661 } else /*if (IS_QLA2100(ha))*/ {
1662 strcpy(ha->model_number, "QLA2100");
1663 }
1664
1665 /*
1666 * Copy over NVRAM RISC parameter block to initialization control block.
1667 */
1668 dptr1 = (uint8_t *)icb;
1669 dptr2 = (uint8_t *)&nv->parameter_block_version;
1670 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1671 while (cnt--)
1672 *dptr1++ = *dptr2++;
1673
1674 /* Copy 2nd half. */
1675 dptr1 = (uint8_t *)icb->add_firmware_options;
1676 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1677 while (cnt--)
1678 *dptr1++ = *dptr2++;
1679
1680 /* Use alternate WWN? */
1681 if (nv->host_p[1] & BIT_7) {
1682 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1683 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1684 }
1685
1686 /* Prepare nodename */
1687 if ((icb->firmware_options[1] & BIT_6) == 0) {
1688 /*
1689 * Firmware will apply the following mask if the nodename was
1690 * not provided.
1691 */
1692 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1693 icb->node_name[0] &= 0xF0;
1694 }
1695
1696 /*
1697 * Set host adapter parameters.
1698 */
1699 if (nv->host_p[0] & BIT_7)
1700 ql2xextended_error_logging = 1;
1701 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1702 /* Always load RISC code on non ISP2[12]00 chips. */
1703 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1704 ha->flags.disable_risc_code_load = 0;
1705 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1706 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1707 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1708 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1709 ha->flags.disable_serdes = 0;
1710
1711 ha->operating_mode =
1712 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1713
1714 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1715 sizeof(ha->fw_seriallink_options));
1716
1717 /* save HBA serial number */
1718 ha->serial0 = icb->port_name[5];
1719 ha->serial1 = icb->port_name[6];
1720 ha->serial2 = icb->port_name[7];
1721 ha->node_name = icb->node_name;
1722 ha->port_name = icb->port_name;
1723
1724 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1725
1726 ha->retry_count = nv->retry_count;
1727
1728 /* Set minimum login_timeout to 4 seconds. */
1729 if (nv->login_timeout < ql2xlogintimeout)
1730 nv->login_timeout = ql2xlogintimeout;
1731 if (nv->login_timeout < 4)
1732 nv->login_timeout = 4;
1733 ha->login_timeout = nv->login_timeout;
1734 icb->login_timeout = nv->login_timeout;
1735
1736 /* Set minimum RATOV to 100 tenths of a second. */
1737 ha->r_a_tov = 100;
1738
1739 ha->loop_reset_delay = nv->reset_delay;
1740
1741 /* Link Down Timeout = 0:
1742 *
1743 * When Port Down timer expires we will start returning
1744 * I/O's to OS with "DID_NO_CONNECT".
1745 *
1746 * Link Down Timeout != 0:
1747 *
1748 * The driver waits for the link to come up after link down
1749 * before returning I/Os to OS with "DID_NO_CONNECT".
1750 */
1751 if (nv->link_down_timeout == 0) {
1752 ha->loop_down_abort_time =
1753 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1754 } else {
1755 ha->link_down_timeout = nv->link_down_timeout;
1756 ha->loop_down_abort_time =
1757 (LOOP_DOWN_TIME - ha->link_down_timeout);
1758 }
1759
1760 /*
1761 * Need enough time to try and get the port back.
1762 */
1763 ha->port_down_retry_count = nv->port_down_retry_count;
1764 if (qlport_down_retry)
1765 ha->port_down_retry_count = qlport_down_retry;
1766 /* Set login_retry_count */
1767 ha->login_retry_count = nv->retry_count;
1768 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1769 ha->port_down_retry_count > 3)
1770 ha->login_retry_count = ha->port_down_retry_count;
1771 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1772 ha->login_retry_count = ha->port_down_retry_count;
1773 if (ql2xloginretrycount)
1774 ha->login_retry_count = ql2xloginretrycount;
1775
1776 icb->lun_enables = __constant_cpu_to_le16(0);
1777 icb->command_resource_count = 0;
1778 icb->immediate_notify_resource_count = 0;
1779 icb->timeout = __constant_cpu_to_le16(0);
1780
1781 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1782 /* Enable RIO */
1783 icb->firmware_options[0] &= ~BIT_3;
1784 icb->add_firmware_options[0] &=
1785 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1786 icb->add_firmware_options[0] |= BIT_2;
1787 icb->response_accumulation_timer = 3;
1788 icb->interrupt_delay_timer = 5;
1789
1790 ha->flags.process_response_queue = 1;
1791 } else {
1792 /* Enable ZIO. */
1793 if (!ha->flags.init_done) {
1794 ha->zio_mode = icb->add_firmware_options[0] &
1795 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1796 ha->zio_timer = icb->interrupt_delay_timer ?
1797 icb->interrupt_delay_timer: 2;
1798 }
1799 icb->add_firmware_options[0] &=
1800 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1801 ha->flags.process_response_queue = 0;
1802 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1803 ha->zio_mode = QLA_ZIO_MODE_6;
1804
1805 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1806 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1807 ha->zio_timer * 100));
1808 qla_printk(KERN_INFO, ha,
1809 "ZIO mode %d enabled; timer delay (%d us).\n",
1810 ha->zio_mode, ha->zio_timer * 100);
1811
1812 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1813 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1814 ha->flags.process_response_queue = 1;
1815 }
1816 }
1817
1818 if (rval) {
1819 DEBUG2_3(printk(KERN_WARNING
1820 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1821 }
1822 return (rval);
1823 }
1824
1825 static void
1826 qla2x00_rport_del(void *data)
1827 {
1828 fc_port_t *fcport = data;
1829 struct fc_rport *rport;
1830 unsigned long flags;
1831
1832 spin_lock_irqsave(&fcport->rport_lock, flags);
1833 rport = fcport->drport;
1834 fcport->drport = NULL;
1835 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1836 if (rport)
1837 fc_remote_port_delete(rport);
1838 }
1839
1840 /**
1841 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1842 * @ha: HA context
1843 * @flags: allocation flags
1844 *
1845 * Returns a pointer to the allocated fcport, or NULL, if none available.
1846 */
1847 static fc_port_t *
1848 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1849 {
1850 fc_port_t *fcport;
1851
1852 fcport = kzalloc(sizeof(fc_port_t), flags);
1853 if (!fcport)
1854 return NULL;
1855
1856 /* Setup fcport template structure. */
1857 fcport->ha = ha;
1858 fcport->vp_idx = ha->vp_idx;
1859 fcport->port_type = FCT_UNKNOWN;
1860 fcport->loop_id = FC_NO_LOOP_ID;
1861 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1862 fcport->flags = FCF_RLC_SUPPORT;
1863 fcport->supported_classes = FC_COS_UNSPECIFIED;
1864 spin_lock_init(&fcport->rport_lock);
1865
1866 return fcport;
1867 }
1868
1869 /*
1870 * qla2x00_configure_loop
1871 * Updates Fibre Channel Device Database with what is actually on loop.
1872 *
1873 * Input:
1874 * ha = adapter block pointer.
1875 *
1876 * Returns:
1877 * 0 = success.
1878 * 1 = error.
1879 * 2 = database was full and device was not configured.
1880 */
1881 static int
1882 qla2x00_configure_loop(scsi_qla_host_t *ha)
1883 {
1884 int rval;
1885 unsigned long flags, save_flags;
1886
1887 rval = QLA_SUCCESS;
1888
1889 /* Get Initiator ID */
1890 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1891 rval = qla2x00_configure_hba(ha);
1892 if (rval != QLA_SUCCESS) {
1893 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1894 ha->host_no));
1895 return (rval);
1896 }
1897 }
1898
1899 save_flags = flags = ha->dpc_flags;
1900 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1901 ha->host_no, flags));
1902
1903 /*
1904 * If we have both an RSCN and PORT UPDATE pending then handle them
1905 * both at the same time.
1906 */
1907 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1908 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1909
1910 /* Determine what we need to do */
1911 if (ha->current_topology == ISP_CFG_FL &&
1912 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1913
1914 ha->flags.rscn_queue_overflow = 1;
1915 set_bit(RSCN_UPDATE, &flags);
1916
1917 } else if (ha->current_topology == ISP_CFG_F &&
1918 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1919
1920 ha->flags.rscn_queue_overflow = 1;
1921 set_bit(RSCN_UPDATE, &flags);
1922 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1923
1924 } else if (ha->current_topology == ISP_CFG_N) {
1925 clear_bit(RSCN_UPDATE, &flags);
1926
1927 } else if (!ha->flags.online ||
1928 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1929
1930 ha->flags.rscn_queue_overflow = 1;
1931 set_bit(RSCN_UPDATE, &flags);
1932 set_bit(LOCAL_LOOP_UPDATE, &flags);
1933 }
1934
1935 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1936 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1937 rval = QLA_FUNCTION_FAILED;
1938 } else {
1939 rval = qla2x00_configure_local_loop(ha);
1940 }
1941 }
1942
1943 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1944 if (LOOP_TRANSITION(ha)) {
1945 rval = QLA_FUNCTION_FAILED;
1946 } else {
1947 rval = qla2x00_configure_fabric(ha);
1948 }
1949 }
1950
1951 if (rval == QLA_SUCCESS) {
1952 if (atomic_read(&ha->loop_down_timer) ||
1953 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1954 rval = QLA_FUNCTION_FAILED;
1955 } else {
1956 atomic_set(&ha->loop_state, LOOP_READY);
1957
1958 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1959 }
1960 }
1961
1962 if (rval) {
1963 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1964 __func__, ha->host_no));
1965 } else {
1966 DEBUG3(printk("%s: exiting normally\n", __func__));
1967 }
1968
1969 /* Restore state if a resync event occured during processing */
1970 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1971 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1972 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1973 if (test_bit(RSCN_UPDATE, &save_flags))
1974 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1975 }
1976
1977 return (rval);
1978 }
1979
1980
1981
1982 /*
1983 * qla2x00_configure_local_loop
1984 * Updates Fibre Channel Device Database with local loop devices.
1985 *
1986 * Input:
1987 * ha = adapter block pointer.
1988 *
1989 * Returns:
1990 * 0 = success.
1991 */
1992 static int
1993 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1994 {
1995 int rval, rval2;
1996 int found_devs;
1997 int found;
1998 fc_port_t *fcport, *new_fcport;
1999
2000 uint16_t index;
2001 uint16_t entries;
2002 char *id_iter;
2003 uint16_t loop_id;
2004 uint8_t domain, area, al_pa;
2005 scsi_qla_host_t *pha = to_qla_parent(ha);
2006
2007 found_devs = 0;
2008 new_fcport = NULL;
2009 entries = MAX_FIBRE_DEVICES;
2010
2011 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2012 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2013
2014 /* Get list of logged in devices. */
2015 memset(ha->gid_list, 0, GID_LIST_SIZE);
2016 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2017 &entries);
2018 if (rval != QLA_SUCCESS)
2019 goto cleanup_allocation;
2020
2021 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2022 ha->host_no, entries));
2023 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2024 entries * sizeof(struct gid_list_info)));
2025
2026 /* Allocate temporary fcport for any new fcports discovered. */
2027 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2028 if (new_fcport == NULL) {
2029 rval = QLA_MEMORY_ALLOC_FAILED;
2030 goto cleanup_allocation;
2031 }
2032 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2033
2034 /*
2035 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2036 */
2037 list_for_each_entry(fcport, &pha->fcports, list) {
2038 if (fcport->vp_idx != ha->vp_idx)
2039 continue;
2040
2041 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2042 fcport->port_type != FCT_BROADCAST &&
2043 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2044
2045 DEBUG(printk("scsi(%ld): Marking port lost, "
2046 "loop_id=0x%04x\n",
2047 ha->host_no, fcport->loop_id));
2048
2049 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2050 fcport->flags &= ~FCF_FARP_DONE;
2051 }
2052 }
2053
2054 /* Add devices to port list. */
2055 id_iter = (char *)ha->gid_list;
2056 for (index = 0; index < entries; index++) {
2057 domain = ((struct gid_list_info *)id_iter)->domain;
2058 area = ((struct gid_list_info *)id_iter)->area;
2059 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2060 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2061 loop_id = (uint16_t)
2062 ((struct gid_list_info *)id_iter)->loop_id_2100;
2063 else
2064 loop_id = le16_to_cpu(
2065 ((struct gid_list_info *)id_iter)->loop_id);
2066 id_iter += ha->gid_list_info_size;
2067
2068 /* Bypass reserved domain fields. */
2069 if ((domain & 0xf0) == 0xf0)
2070 continue;
2071
2072 /* Bypass if not same domain and area of adapter. */
2073 if (area && domain &&
2074 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2075 continue;
2076
2077 /* Bypass invalid local loop ID. */
2078 if (loop_id > LAST_LOCAL_LOOP_ID)
2079 continue;
2080
2081 /* Fill in member data. */
2082 new_fcport->d_id.b.domain = domain;
2083 new_fcport->d_id.b.area = area;
2084 new_fcport->d_id.b.al_pa = al_pa;
2085 new_fcport->loop_id = loop_id;
2086 new_fcport->vp_idx = ha->vp_idx;
2087 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2088 if (rval2 != QLA_SUCCESS) {
2089 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2090 "information -- get_port_database=%x, "
2091 "loop_id=0x%04x\n",
2092 ha->host_no, rval2, new_fcport->loop_id));
2093 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2094 ha->host_no));
2095 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2096 continue;
2097 }
2098
2099 /* Check for matching device in port list. */
2100 found = 0;
2101 fcport = NULL;
2102 list_for_each_entry(fcport, &pha->fcports, list) {
2103 if (fcport->vp_idx != ha->vp_idx)
2104 continue;
2105
2106 if (memcmp(new_fcport->port_name, fcport->port_name,
2107 WWN_SIZE))
2108 continue;
2109
2110 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2111 FCF_PERSISTENT_BOUND);
2112 fcport->loop_id = new_fcport->loop_id;
2113 fcport->port_type = new_fcport->port_type;
2114 fcport->d_id.b24 = new_fcport->d_id.b24;
2115 memcpy(fcport->node_name, new_fcport->node_name,
2116 WWN_SIZE);
2117
2118 found++;
2119 break;
2120 }
2121
2122 if (!found) {
2123 /* New device, add to fcports list. */
2124 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2125 if (ha->parent) {
2126 new_fcport->ha = ha;
2127 new_fcport->vp_idx = ha->vp_idx;
2128 list_add_tail(&new_fcport->vp_fcport,
2129 &ha->vp_fcports);
2130 }
2131 list_add_tail(&new_fcport->list, &pha->fcports);
2132
2133 /* Allocate a new replacement fcport. */
2134 fcport = new_fcport;
2135 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2136 if (new_fcport == NULL) {
2137 rval = QLA_MEMORY_ALLOC_FAILED;
2138 goto cleanup_allocation;
2139 }
2140 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2141 }
2142
2143 /* Base iIDMA settings on HBA port speed. */
2144 fcport->fp_speed = ha->link_data_rate;
2145
2146 qla2x00_update_fcport(ha, fcport);
2147
2148 found_devs++;
2149 }
2150
2151 cleanup_allocation:
2152 kfree(new_fcport);
2153
2154 if (rval != QLA_SUCCESS) {
2155 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2156 "rval=%x\n", ha->host_no, rval));
2157 }
2158
2159 if (found_devs) {
2160 ha->device_flags |= DFLG_LOCAL_DEVICES;
2161 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2162 }
2163
2164 return (rval);
2165 }
2166
2167 static void
2168 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2169 {
2170 fc_port_t *fcport;
2171
2172 qla2x00_mark_all_devices_lost(ha, 0);
2173 list_for_each_entry(fcport, &ha->fcports, list) {
2174 if (fcport->port_type != FCT_TARGET)
2175 continue;
2176
2177 qla2x00_update_fcport(ha, fcport);
2178 }
2179 }
2180
2181 static void
2182 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2183 {
2184 #define LS_UNKNOWN 2
2185 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2186 int rval;
2187 uint16_t mb[6];
2188
2189 if (!IS_IIDMA_CAPABLE(ha))
2190 return;
2191
2192 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2193 fcport->fp_speed > ha->link_data_rate)
2194 return;
2195
2196 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2197 mb);
2198 if (rval != QLA_SUCCESS) {
2199 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2200 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2201 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2202 fcport->port_name[2], fcport->port_name[3],
2203 fcport->port_name[4], fcport->port_name[5],
2204 fcport->port_name[6], fcport->port_name[7], rval,
2205 fcport->fp_speed, mb[0], mb[1]));
2206 } else {
2207 DEBUG2(qla_printk(KERN_INFO, ha,
2208 "iIDMA adjusted to %s GB/s on "
2209 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2210 link_speeds[fcport->fp_speed], fcport->port_name[0],
2211 fcport->port_name[1], fcport->port_name[2],
2212 fcport->port_name[3], fcport->port_name[4],
2213 fcport->port_name[5], fcport->port_name[6],
2214 fcport->port_name[7]));
2215 }
2216 }
2217
2218 static void
2219 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2220 {
2221 struct fc_rport_identifiers rport_ids;
2222 struct fc_rport *rport;
2223 unsigned long flags;
2224
2225 if (fcport->drport)
2226 qla2x00_rport_del(fcport);
2227 if (fcport->rport)
2228 return;
2229
2230 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2231 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2232 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2233 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2234 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2235 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2236 if (!rport) {
2237 qla_printk(KERN_WARNING, ha,
2238 "Unable to allocate fc remote port!\n");
2239 return;
2240 }
2241 spin_lock_irqsave(&fcport->rport_lock, flags);
2242 fcport->rport = rport;
2243 *((fc_port_t **)rport->dd_data) = fcport;
2244 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2245
2246 rport->supported_classes = fcport->supported_classes;
2247
2248 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2249 if (fcport->port_type == FCT_INITIATOR)
2250 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2251 if (fcport->port_type == FCT_TARGET)
2252 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2253 fc_remote_port_rolechg(rport, rport_ids.roles);
2254
2255 if (rport->scsi_target_id != -1 &&
2256 rport->scsi_target_id < ha->host->max_id)
2257 fcport->os_target_id = rport->scsi_target_id;
2258 }
2259
2260 /*
2261 * qla2x00_update_fcport
2262 * Updates device on list.
2263 *
2264 * Input:
2265 * ha = adapter block pointer.
2266 * fcport = port structure pointer.
2267 *
2268 * Return:
2269 * 0 - Success
2270 * BIT_0 - error
2271 *
2272 * Context:
2273 * Kernel context.
2274 */
2275 void
2276 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2277 {
2278 scsi_qla_host_t *pha = to_qla_parent(ha);
2279
2280 fcport->ha = ha;
2281 fcport->login_retry = 0;
2282 fcport->port_login_retry_count = pha->port_down_retry_count *
2283 PORT_RETRY_TIME;
2284 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2285 PORT_RETRY_TIME);
2286 fcport->flags &= ~FCF_LOGIN_NEEDED;
2287
2288 qla2x00_iidma_fcport(ha, fcport);
2289
2290 atomic_set(&fcport->state, FCS_ONLINE);
2291
2292 qla2x00_reg_remote_port(ha, fcport);
2293 }
2294
2295 /*
2296 * qla2x00_configure_fabric
2297 * Setup SNS devices with loop ID's.
2298 *
2299 * Input:
2300 * ha = adapter block pointer.
2301 *
2302 * Returns:
2303 * 0 = success.
2304 * BIT_0 = error
2305 */
2306 static int
2307 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2308 {
2309 int rval, rval2;
2310 fc_port_t *fcport, *fcptemp;
2311 uint16_t next_loopid;
2312 uint16_t mb[MAILBOX_REGISTER_COUNT];
2313 uint16_t loop_id;
2314 LIST_HEAD(new_fcports);
2315 scsi_qla_host_t *pha = to_qla_parent(ha);
2316
2317 /* If FL port exists, then SNS is present */
2318 if (IS_FWI2_CAPABLE(ha))
2319 loop_id = NPH_F_PORT;
2320 else
2321 loop_id = SNS_FL_PORT;
2322 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2323 if (rval != QLA_SUCCESS) {
2324 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2325 "Port\n", ha->host_no));
2326
2327 ha->device_flags &= ~SWITCH_FOUND;
2328 return (QLA_SUCCESS);
2329 }
2330 ha->device_flags |= SWITCH_FOUND;
2331
2332 /* Mark devices that need re-synchronization. */
2333 rval2 = qla2x00_device_resync(ha);
2334 if (rval2 == QLA_RSCNS_HANDLED) {
2335 /* No point doing the scan, just continue. */
2336 return (QLA_SUCCESS);
2337 }
2338 do {
2339 /* FDMI support. */
2340 if (ql2xfdmienable &&
2341 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2342 qla2x00_fdmi_register(ha);
2343
2344 /* Ensure we are logged into the SNS. */
2345 if (IS_FWI2_CAPABLE(ha))
2346 loop_id = NPH_SNS;
2347 else
2348 loop_id = SIMPLE_NAME_SERVER;
2349 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2350 0xfc, mb, BIT_1 | BIT_0);
2351 if (mb[0] != MBS_COMMAND_COMPLETE) {
2352 DEBUG2(qla_printk(KERN_INFO, ha,
2353 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2354 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2355 mb[0], mb[1], mb[2], mb[6], mb[7]));
2356 return (QLA_SUCCESS);
2357 }
2358
2359 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2360 if (qla2x00_rft_id(ha)) {
2361 /* EMPTY */
2362 DEBUG2(printk("scsi(%ld): Register FC-4 "
2363 "TYPE failed.\n", ha->host_no));
2364 }
2365 if (qla2x00_rff_id(ha)) {
2366 /* EMPTY */
2367 DEBUG2(printk("scsi(%ld): Register FC-4 "
2368 "Features failed.\n", ha->host_no));
2369 }
2370 if (qla2x00_rnn_id(ha)) {
2371 /* EMPTY */
2372 DEBUG2(printk("scsi(%ld): Register Node Name "
2373 "failed.\n", ha->host_no));
2374 } else if (qla2x00_rsnn_nn(ha)) {
2375 /* EMPTY */
2376 DEBUG2(printk("scsi(%ld): Register Symbolic "
2377 "Node Name failed.\n", ha->host_no));
2378 }
2379 }
2380
2381 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2382 if (rval != QLA_SUCCESS)
2383 break;
2384
2385 /*
2386 * Logout all previous fabric devices marked lost, except
2387 * tape devices.
2388 */
2389 list_for_each_entry(fcport, &pha->fcports, list) {
2390 if (fcport->vp_idx !=ha->vp_idx)
2391 continue;
2392
2393 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2394 break;
2395
2396 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2397 continue;
2398
2399 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2400 qla2x00_mark_device_lost(ha, fcport,
2401 ql2xplogiabsentdevice, 0);
2402 if (fcport->loop_id != FC_NO_LOOP_ID &&
2403 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2404 fcport->port_type != FCT_INITIATOR &&
2405 fcport->port_type != FCT_BROADCAST) {
2406 ha->isp_ops->fabric_logout(ha,
2407 fcport->loop_id,
2408 fcport->d_id.b.domain,
2409 fcport->d_id.b.area,
2410 fcport->d_id.b.al_pa);
2411 fcport->loop_id = FC_NO_LOOP_ID;
2412 }
2413 }
2414 }
2415
2416 /* Starting free loop ID. */
2417 next_loopid = pha->min_external_loopid;
2418
2419 /*
2420 * Scan through our port list and login entries that need to be
2421 * logged in.
2422 */
2423 list_for_each_entry(fcport, &pha->fcports, list) {
2424 if (fcport->vp_idx != ha->vp_idx)
2425 continue;
2426
2427 if (atomic_read(&ha->loop_down_timer) ||
2428 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2429 break;
2430
2431 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2432 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2433 continue;
2434
2435 if (fcport->loop_id == FC_NO_LOOP_ID) {
2436 fcport->loop_id = next_loopid;
2437 rval = qla2x00_find_new_loop_id(ha, fcport);
2438 if (rval != QLA_SUCCESS) {
2439 /* Ran out of IDs to use */
2440 break;
2441 }
2442 }
2443 /* Login and update database */
2444 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2445 }
2446
2447 /* Exit if out of loop IDs. */
2448 if (rval != QLA_SUCCESS) {
2449 break;
2450 }
2451
2452 /*
2453 * Login and add the new devices to our port list.
2454 */
2455 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2456 if (atomic_read(&ha->loop_down_timer) ||
2457 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2458 break;
2459
2460 /* Find a new loop ID to use. */
2461 fcport->loop_id = next_loopid;
2462 rval = qla2x00_find_new_loop_id(ha, fcport);
2463 if (rval != QLA_SUCCESS) {
2464 /* Ran out of IDs to use */
2465 break;
2466 }
2467
2468 /* Login and update database */
2469 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2470
2471 if (ha->parent) {
2472 fcport->ha = ha;
2473 fcport->vp_idx = ha->vp_idx;
2474 list_add_tail(&fcport->vp_fcport,
2475 &ha->vp_fcports);
2476 list_move_tail(&fcport->list,
2477 &ha->parent->fcports);
2478 } else
2479 list_move_tail(&fcport->list, &ha->fcports);
2480 }
2481 } while (0);
2482
2483 /* Free all new device structures not processed. */
2484 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2485 list_del(&fcport->list);
2486 kfree(fcport);
2487 }
2488
2489 if (rval) {
2490 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2491 "rval=%d\n", ha->host_no, rval));
2492 }
2493
2494 return (rval);
2495 }
2496
2497
2498 /*
2499 * qla2x00_find_all_fabric_devs
2500 *
2501 * Input:
2502 * ha = adapter block pointer.
2503 * dev = database device entry pointer.
2504 *
2505 * Returns:
2506 * 0 = success.
2507 *
2508 * Context:
2509 * Kernel context.
2510 */
2511 static int
2512 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2513 {
2514 int rval;
2515 uint16_t loop_id;
2516 fc_port_t *fcport, *new_fcport, *fcptemp;
2517 int found;
2518
2519 sw_info_t *swl;
2520 int swl_idx;
2521 int first_dev, last_dev;
2522 port_id_t wrap, nxt_d_id;
2523 int vp_index;
2524 int empty_vp_index;
2525 int found_vp;
2526 scsi_qla_host_t *vha;
2527 scsi_qla_host_t *pha = to_qla_parent(ha);
2528
2529 rval = QLA_SUCCESS;
2530
2531 /* Try GID_PT to get device list, else GAN. */
2532 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2533 if (!swl) {
2534 /*EMPTY*/
2535 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2536 "on GA_NXT\n", ha->host_no));
2537 } else {
2538 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2539 kfree(swl);
2540 swl = NULL;
2541 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2542 kfree(swl);
2543 swl = NULL;
2544 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2545 kfree(swl);
2546 swl = NULL;
2547 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2548 qla2x00_gpsc(ha, swl);
2549 }
2550 }
2551 swl_idx = 0;
2552
2553 /* Allocate temporary fcport for any new fcports discovered. */
2554 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2555 if (new_fcport == NULL) {
2556 kfree(swl);
2557 return (QLA_MEMORY_ALLOC_FAILED);
2558 }
2559 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2560 new_fcport->vp_idx = ha->vp_idx;
2561 /* Set start port ID scan at adapter ID. */
2562 first_dev = 1;
2563 last_dev = 0;
2564
2565 /* Starting free loop ID. */
2566 loop_id = pha->min_external_loopid;
2567 for (; loop_id <= ha->last_loop_id; loop_id++) {
2568 if (qla2x00_is_reserved_id(ha, loop_id))
2569 continue;
2570
2571 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2572 break;
2573
2574 if (swl != NULL) {
2575 if (last_dev) {
2576 wrap.b24 = new_fcport->d_id.b24;
2577 } else {
2578 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2579 memcpy(new_fcport->node_name,
2580 swl[swl_idx].node_name, WWN_SIZE);
2581 memcpy(new_fcport->port_name,
2582 swl[swl_idx].port_name, WWN_SIZE);
2583 memcpy(new_fcport->fabric_port_name,
2584 swl[swl_idx].fabric_port_name, WWN_SIZE);
2585 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2586
2587 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2588 last_dev = 1;
2589 }
2590 swl_idx++;
2591 }
2592 } else {
2593 /* Send GA_NXT to the switch */
2594 rval = qla2x00_ga_nxt(ha, new_fcport);
2595 if (rval != QLA_SUCCESS) {
2596 qla_printk(KERN_WARNING, ha,
2597 "SNS scan failed -- assuming zero-entry "
2598 "result...\n");
2599 list_for_each_entry_safe(fcport, fcptemp,
2600 new_fcports, list) {
2601 list_del(&fcport->list);
2602 kfree(fcport);
2603 }
2604 rval = QLA_SUCCESS;
2605 break;
2606 }
2607 }
2608
2609 /* If wrap on switch device list, exit. */
2610 if (first_dev) {
2611 wrap.b24 = new_fcport->d_id.b24;
2612 first_dev = 0;
2613 } else if (new_fcport->d_id.b24 == wrap.b24) {
2614 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2615 ha->host_no, new_fcport->d_id.b.domain,
2616 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2617 break;
2618 }
2619
2620 /* Bypass if same physical adapter. */
2621 if (new_fcport->d_id.b24 == pha->d_id.b24)
2622 continue;
2623
2624 /* Bypass virtual ports of the same host. */
2625 if (pha->num_vhosts) {
2626 for_each_mapped_vp_idx(pha, vp_index) {
2627 empty_vp_index = 1;
2628 found_vp = 0;
2629 list_for_each_entry(vha, &pha->vp_list,
2630 vp_list) {
2631 if (vp_index == vha->vp_idx) {
2632 empty_vp_index = 0;
2633 found_vp = 1;
2634 break;
2635 }
2636 }
2637
2638 if (empty_vp_index)
2639 continue;
2640
2641 if (found_vp &&
2642 new_fcport->d_id.b24 == vha->d_id.b24)
2643 break;
2644 }
2645
2646 if (vp_index <= pha->max_npiv_vports)
2647 continue;
2648 }
2649
2650 /* Bypass if same domain and area of adapter. */
2651 if (((new_fcport->d_id.b24 & 0xffff00) ==
2652 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2653 ISP_CFG_FL)
2654 continue;
2655
2656 /* Bypass reserved domain fields. */
2657 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2658 continue;
2659
2660 /* Locate matching device in database. */
2661 found = 0;
2662 list_for_each_entry(fcport, &pha->fcports, list) {
2663 if (new_fcport->vp_idx != fcport->vp_idx)
2664 continue;
2665 if (memcmp(new_fcport->port_name, fcport->port_name,
2666 WWN_SIZE))
2667 continue;
2668
2669 found++;
2670
2671 /* Update port state. */
2672 memcpy(fcport->fabric_port_name,
2673 new_fcport->fabric_port_name, WWN_SIZE);
2674 fcport->fp_speed = new_fcport->fp_speed;
2675
2676 /*
2677 * If address the same and state FCS_ONLINE, nothing
2678 * changed.
2679 */
2680 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2681 atomic_read(&fcport->state) == FCS_ONLINE) {
2682 break;
2683 }
2684
2685 /*
2686 * If device was not a fabric device before.
2687 */
2688 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2689 fcport->d_id.b24 = new_fcport->d_id.b24;
2690 fcport->loop_id = FC_NO_LOOP_ID;
2691 fcport->flags |= (FCF_FABRIC_DEVICE |
2692 FCF_LOGIN_NEEDED);
2693 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2694 break;
2695 }
2696
2697 /*
2698 * Port ID changed or device was marked to be updated;
2699 * Log it out if still logged in and mark it for
2700 * relogin later.
2701 */
2702 fcport->d_id.b24 = new_fcport->d_id.b24;
2703 fcport->flags |= FCF_LOGIN_NEEDED;
2704 if (fcport->loop_id != FC_NO_LOOP_ID &&
2705 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2706 fcport->port_type != FCT_INITIATOR &&
2707 fcport->port_type != FCT_BROADCAST) {
2708 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2709 fcport->d_id.b.domain, fcport->d_id.b.area,
2710 fcport->d_id.b.al_pa);
2711 fcport->loop_id = FC_NO_LOOP_ID;
2712 }
2713
2714 break;
2715 }
2716
2717 if (found)
2718 continue;
2719
2720 /* If device was not in our fcports list, then add it. */
2721 list_add_tail(&new_fcport->list, new_fcports);
2722
2723 /* Allocate a new replacement fcport. */
2724 nxt_d_id.b24 = new_fcport->d_id.b24;
2725 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2726 if (new_fcport == NULL) {
2727 kfree(swl);
2728 return (QLA_MEMORY_ALLOC_FAILED);
2729 }
2730 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2731 new_fcport->d_id.b24 = nxt_d_id.b24;
2732 new_fcport->vp_idx = ha->vp_idx;
2733 }
2734
2735 kfree(swl);
2736 kfree(new_fcport);
2737
2738 if (!list_empty(new_fcports))
2739 ha->device_flags |= DFLG_FABRIC_DEVICES;
2740
2741 return (rval);
2742 }
2743
2744 /*
2745 * qla2x00_find_new_loop_id
2746 * Scan through our port list and find a new usable loop ID.
2747 *
2748 * Input:
2749 * ha: adapter state pointer.
2750 * dev: port structure pointer.
2751 *
2752 * Returns:
2753 * qla2x00 local function return status code.
2754 *
2755 * Context:
2756 * Kernel context.
2757 */
2758 static int
2759 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2760 {
2761 int rval;
2762 int found;
2763 fc_port_t *fcport;
2764 uint16_t first_loop_id;
2765 scsi_qla_host_t *pha = to_qla_parent(ha);
2766
2767 rval = QLA_SUCCESS;
2768
2769 /* Save starting loop ID. */
2770 first_loop_id = dev->loop_id;
2771
2772 for (;;) {
2773 /* Skip loop ID if already used by adapter. */
2774 if (dev->loop_id == ha->loop_id) {
2775 dev->loop_id++;
2776 }
2777
2778 /* Skip reserved loop IDs. */
2779 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2780 dev->loop_id++;
2781 }
2782
2783 /* Reset loop ID if passed the end. */
2784 if (dev->loop_id > ha->last_loop_id) {
2785 /* first loop ID. */
2786 dev->loop_id = ha->min_external_loopid;
2787 }
2788
2789 /* Check for loop ID being already in use. */
2790 found = 0;
2791 fcport = NULL;
2792 list_for_each_entry(fcport, &pha->fcports, list) {
2793 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2794 /* ID possibly in use */
2795 found++;
2796 break;
2797 }
2798 }
2799
2800 /* If not in use then it is free to use. */
2801 if (!found) {
2802 break;
2803 }
2804
2805 /* ID in use. Try next value. */
2806 dev->loop_id++;
2807
2808 /* If wrap around. No free ID to use. */
2809 if (dev->loop_id == first_loop_id) {
2810 dev->loop_id = FC_NO_LOOP_ID;
2811 rval = QLA_FUNCTION_FAILED;
2812 break;
2813 }
2814 }
2815
2816 return (rval);
2817 }
2818
2819 /*
2820 * qla2x00_device_resync
2821 * Marks devices in the database that needs resynchronization.
2822 *
2823 * Input:
2824 * ha = adapter block pointer.
2825 *
2826 * Context:
2827 * Kernel context.
2828 */
2829 static int
2830 qla2x00_device_resync(scsi_qla_host_t *ha)
2831 {
2832 int rval;
2833 uint32_t mask;
2834 fc_port_t *fcport;
2835 uint32_t rscn_entry;
2836 uint8_t rscn_out_iter;
2837 uint8_t format;
2838 port_id_t d_id;
2839 scsi_qla_host_t *pha = to_qla_parent(ha);
2840
2841 rval = QLA_RSCNS_HANDLED;
2842
2843 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2844 ha->flags.rscn_queue_overflow) {
2845
2846 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2847 format = MSB(MSW(rscn_entry));
2848 d_id.b.domain = LSB(MSW(rscn_entry));
2849 d_id.b.area = MSB(LSW(rscn_entry));
2850 d_id.b.al_pa = LSB(LSW(rscn_entry));
2851
2852 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2853 "[%02x/%02x%02x%02x].\n",
2854 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2855 d_id.b.area, d_id.b.al_pa));
2856
2857 ha->rscn_out_ptr++;
2858 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2859 ha->rscn_out_ptr = 0;
2860
2861 /* Skip duplicate entries. */
2862 for (rscn_out_iter = ha->rscn_out_ptr;
2863 !ha->flags.rscn_queue_overflow &&
2864 rscn_out_iter != ha->rscn_in_ptr;
2865 rscn_out_iter = (rscn_out_iter ==
2866 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2867
2868 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2869 break;
2870
2871 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2872 "entry found at [%d].\n", ha->host_no,
2873 rscn_out_iter));
2874
2875 ha->rscn_out_ptr = rscn_out_iter;
2876 }
2877
2878 /* Queue overflow, set switch default case. */
2879 if (ha->flags.rscn_queue_overflow) {
2880 DEBUG(printk("scsi(%ld): device_resync: rscn "
2881 "overflow.\n", ha->host_no));
2882
2883 format = 3;
2884 ha->flags.rscn_queue_overflow = 0;
2885 }
2886
2887 switch (format) {
2888 case 0:
2889 mask = 0xffffff;
2890 break;
2891 case 1:
2892 mask = 0xffff00;
2893 break;
2894 case 2:
2895 mask = 0xff0000;
2896 break;
2897 default:
2898 mask = 0x0;
2899 d_id.b24 = 0;
2900 ha->rscn_out_ptr = ha->rscn_in_ptr;
2901 break;
2902 }
2903
2904 rval = QLA_SUCCESS;
2905
2906 list_for_each_entry(fcport, &pha->fcports, list) {
2907 if (fcport->vp_idx != ha->vp_idx)
2908 continue;
2909
2910 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2911 (fcport->d_id.b24 & mask) != d_id.b24 ||
2912 fcport->port_type == FCT_BROADCAST)
2913 continue;
2914
2915 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2916 if (format != 3 ||
2917 fcport->port_type != FCT_INITIATOR) {
2918 qla2x00_mark_device_lost(ha, fcport,
2919 0, 0);
2920 }
2921 }
2922 fcport->flags &= ~FCF_FARP_DONE;
2923 }
2924 }
2925 return (rval);
2926 }
2927
2928 /*
2929 * qla2x00_fabric_dev_login
2930 * Login fabric target device and update FC port database.
2931 *
2932 * Input:
2933 * ha: adapter state pointer.
2934 * fcport: port structure list pointer.
2935 * next_loopid: contains value of a new loop ID that can be used
2936 * by the next login attempt.
2937 *
2938 * Returns:
2939 * qla2x00 local function return status code.
2940 *
2941 * Context:
2942 * Kernel context.
2943 */
2944 static int
2945 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2946 uint16_t *next_loopid)
2947 {
2948 int rval;
2949 int retry;
2950 uint8_t opts;
2951
2952 rval = QLA_SUCCESS;
2953 retry = 0;
2954
2955 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2956 if (rval == QLA_SUCCESS) {
2957 /* Send an ADISC to tape devices.*/
2958 opts = 0;
2959 if (fcport->flags & FCF_TAPE_PRESENT)
2960 opts |= BIT_1;
2961 rval = qla2x00_get_port_database(ha, fcport, opts);
2962 if (rval != QLA_SUCCESS) {
2963 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2964 fcport->d_id.b.domain, fcport->d_id.b.area,
2965 fcport->d_id.b.al_pa);
2966 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2967 } else {
2968 qla2x00_update_fcport(ha, fcport);
2969 }
2970 }
2971
2972 return (rval);
2973 }
2974
2975 /*
2976 * qla2x00_fabric_login
2977 * Issue fabric login command.
2978 *
2979 * Input:
2980 * ha = adapter block pointer.
2981 * device = pointer to FC device type structure.
2982 *
2983 * Returns:
2984 * 0 - Login successfully
2985 * 1 - Login failed
2986 * 2 - Initiator device
2987 * 3 - Fatal error
2988 */
2989 int
2990 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2991 uint16_t *next_loopid)
2992 {
2993 int rval;
2994 int retry;
2995 uint16_t tmp_loopid;
2996 uint16_t mb[MAILBOX_REGISTER_COUNT];
2997
2998 retry = 0;
2999 tmp_loopid = 0;
3000
3001 for (;;) {
3002 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3003 "for port %02x%02x%02x.\n",
3004 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3005 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3006
3007 /* Login fcport on switch. */
3008 ha->isp_ops->fabric_login(ha, fcport->loop_id,
3009 fcport->d_id.b.domain, fcport->d_id.b.area,
3010 fcport->d_id.b.al_pa, mb, BIT_0);
3011 if (mb[0] == MBS_PORT_ID_USED) {
3012 /*
3013 * Device has another loop ID. The firmware team
3014 * recommends the driver perform an implicit login with
3015 * the specified ID again. The ID we just used is save
3016 * here so we return with an ID that can be tried by
3017 * the next login.
3018 */
3019 retry++;
3020 tmp_loopid = fcport->loop_id;
3021 fcport->loop_id = mb[1];
3022
3023 DEBUG(printk("Fabric Login: port in use - next "
3024 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3025 fcport->loop_id, fcport->d_id.b.domain,
3026 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3027
3028 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3029 /*
3030 * Login succeeded.
3031 */
3032 if (retry) {
3033 /* A retry occurred before. */
3034 *next_loopid = tmp_loopid;
3035 } else {
3036 /*
3037 * No retry occurred before. Just increment the
3038 * ID value for next login.
3039 */
3040 *next_loopid = (fcport->loop_id + 1);
3041 }
3042
3043 if (mb[1] & BIT_0) {
3044 fcport->port_type = FCT_INITIATOR;
3045 } else {
3046 fcport->port_type = FCT_TARGET;
3047 if (mb[1] & BIT_1) {
3048 fcport->flags |= FCF_TAPE_PRESENT;
3049 }
3050 }
3051
3052 if (mb[10] & BIT_0)
3053 fcport->supported_classes |= FC_COS_CLASS2;
3054 if (mb[10] & BIT_1)
3055 fcport->supported_classes |= FC_COS_CLASS3;
3056
3057 rval = QLA_SUCCESS;
3058 break;
3059 } else if (mb[0] == MBS_LOOP_ID_USED) {
3060 /*
3061 * Loop ID already used, try next loop ID.
3062 */
3063 fcport->loop_id++;
3064 rval = qla2x00_find_new_loop_id(ha, fcport);
3065 if (rval != QLA_SUCCESS) {
3066 /* Ran out of loop IDs to use */
3067 break;
3068 }
3069 } else if (mb[0] == MBS_COMMAND_ERROR) {
3070 /*
3071 * Firmware possibly timed out during login. If NO
3072 * retries are left to do then the device is declared
3073 * dead.
3074 */
3075 *next_loopid = fcport->loop_id;
3076 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3077 fcport->d_id.b.domain, fcport->d_id.b.area,
3078 fcport->d_id.b.al_pa);
3079 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3080
3081 rval = 1;
3082 break;
3083 } else {
3084 /*
3085 * unrecoverable / not handled error
3086 */
3087 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3088 "loop_id=%x jiffies=%lx.\n",
3089 __func__, ha->host_no, mb[0],
3090 fcport->d_id.b.domain, fcport->d_id.b.area,
3091 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3092
3093 *next_loopid = fcport->loop_id;
3094 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3095 fcport->d_id.b.domain, fcport->d_id.b.area,
3096 fcport->d_id.b.al_pa);
3097 fcport->loop_id = FC_NO_LOOP_ID;
3098 fcport->login_retry = 0;
3099
3100 rval = 3;
3101 break;
3102 }
3103 }
3104
3105 return (rval);
3106 }
3107
3108 /*
3109 * qla2x00_local_device_login
3110 * Issue local device login command.
3111 *
3112 * Input:
3113 * ha = adapter block pointer.
3114 * loop_id = loop id of device to login to.
3115 *
3116 * Returns (Where's the #define!!!!):
3117 * 0 - Login successfully
3118 * 1 - Login failed
3119 * 3 - Fatal error
3120 */
3121 int
3122 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3123 {
3124 int rval;
3125 uint16_t mb[MAILBOX_REGISTER_COUNT];
3126
3127 memset(mb, 0, sizeof(mb));
3128 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3129 if (rval == QLA_SUCCESS) {
3130 /* Interrogate mailbox registers for any errors */
3131 if (mb[0] == MBS_COMMAND_ERROR)
3132 rval = 1;
3133 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3134 /* device not in PCB table */
3135 rval = 3;
3136 }
3137
3138 return (rval);
3139 }
3140
3141 /*
3142 * qla2x00_loop_resync
3143 * Resync with fibre channel devices.
3144 *
3145 * Input:
3146 * ha = adapter block pointer.
3147 *
3148 * Returns:
3149 * 0 = success
3150 */
3151 int
3152 qla2x00_loop_resync(scsi_qla_host_t *ha)
3153 {
3154 int rval;
3155 uint32_t wait_time;
3156
3157 rval = QLA_SUCCESS;
3158
3159 atomic_set(&ha->loop_state, LOOP_UPDATE);
3160 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3161 if (ha->flags.online) {
3162 if (!(rval = qla2x00_fw_ready(ha))) {
3163 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3164 wait_time = 256;
3165 do {
3166 atomic_set(&ha->loop_state, LOOP_UPDATE);
3167
3168 /* Issue a marker after FW becomes ready. */
3169 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3170 ha->marker_needed = 0;
3171
3172 /* Remap devices on Loop. */
3173 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3174
3175 qla2x00_configure_loop(ha);
3176 wait_time--;
3177 } while (!atomic_read(&ha->loop_down_timer) &&
3178 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3179 wait_time &&
3180 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3181 }
3182 }
3183
3184 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3185 return (QLA_FUNCTION_FAILED);
3186 }
3187
3188 if (rval) {
3189 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3190 }
3191
3192 return (rval);
3193 }
3194
3195 void
3196 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3197 {
3198 int rescan_done;
3199 fc_port_t *fcport;
3200
3201 rescan_done = 0;
3202 list_for_each_entry(fcport, &ha->fcports, list) {
3203 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3204 continue;
3205
3206 qla2x00_update_fcport(ha, fcport);
3207 fcport->flags &= ~FCF_RESCAN_NEEDED;
3208
3209 rescan_done = 1;
3210 }
3211 qla2x00_probe_for_all_luns(ha);
3212 }
3213
3214 void
3215 qla2x00_update_fcports(scsi_qla_host_t *ha)
3216 {
3217 fc_port_t *fcport;
3218
3219 /* Go with deferred removal of rport references. */
3220 list_for_each_entry(fcport, &ha->fcports, list)
3221 if (fcport->drport)
3222 qla2x00_rport_del(fcport);
3223 }
3224
3225 /*
3226 * qla2x00_abort_isp
3227 * Resets ISP and aborts all outstanding commands.
3228 *
3229 * Input:
3230 * ha = adapter block pointer.
3231 *
3232 * Returns:
3233 * 0 = success
3234 */
3235 int
3236 qla2x00_abort_isp(scsi_qla_host_t *ha)
3237 {
3238 int rval;
3239 uint8_t status = 0;
3240
3241 if (ha->flags.online) {
3242 ha->flags.online = 0;
3243 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3244
3245 qla_printk(KERN_INFO, ha,
3246 "Performing ISP error recovery - ha= %p.\n", ha);
3247 ha->isp_ops->reset_chip(ha);
3248
3249 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3250 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3251 atomic_set(&ha->loop_state, LOOP_DOWN);
3252 qla2x00_mark_all_devices_lost(ha, 0);
3253 } else {
3254 if (!atomic_read(&ha->loop_down_timer))
3255 atomic_set(&ha->loop_down_timer,
3256 LOOP_DOWN_TIME);
3257 }
3258
3259 /* Requeue all commands in outstanding command list. */
3260 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
3261
3262 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3263
3264 ha->isp_ops->nvram_config(ha);
3265
3266 if (!qla2x00_restart_isp(ha)) {
3267 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3268
3269 if (!atomic_read(&ha->loop_down_timer)) {
3270 /*
3271 * Issue marker command only when we are going
3272 * to start the I/O .
3273 */
3274 ha->marker_needed = 1;
3275 }
3276
3277 ha->flags.online = 1;
3278
3279 ha->isp_ops->enable_intrs(ha);
3280
3281 ha->isp_abort_cnt = 0;
3282 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3283
3284 if (ha->eft) {
3285 memset(ha->eft, 0, EFT_SIZE);
3286 rval = qla2x00_enable_eft_trace(ha,
3287 ha->eft_dma, EFT_NUM_BUFFERS);
3288 if (rval) {
3289 qla_printk(KERN_WARNING, ha,
3290 "Unable to reinitialize EFT "
3291 "(%d).\n", rval);
3292 }
3293 }
3294
3295 if (ha->fce) {
3296 ha->flags.fce_enabled = 1;
3297 memset(ha->fce, 0,
3298 fce_calc_size(ha->fce_bufs));
3299 rval = qla2x00_enable_fce_trace(ha,
3300 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3301 &ha->fce_bufs);
3302 if (rval) {
3303 qla_printk(KERN_WARNING, ha,
3304 "Unable to reinitialize FCE "
3305 "(%d).\n", rval);
3306 ha->flags.fce_enabled = 0;
3307 }
3308 }
3309 } else { /* failed the ISP abort */
3310 ha->flags.online = 1;
3311 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3312 if (ha->isp_abort_cnt == 0) {
3313 qla_printk(KERN_WARNING, ha,
3314 "ISP error recovery failed - "
3315 "board disabled\n");
3316 /*
3317 * The next call disables the board
3318 * completely.
3319 */
3320 ha->isp_ops->reset_adapter(ha);
3321 ha->flags.online = 0;
3322 clear_bit(ISP_ABORT_RETRY,
3323 &ha->dpc_flags);
3324 status = 0;
3325 } else { /* schedule another ISP abort */
3326 ha->isp_abort_cnt--;
3327 DEBUG(printk("qla%ld: ISP abort - "
3328 "retry remaining %d\n",
3329 ha->host_no, ha->isp_abort_cnt));
3330 status = 1;
3331 }
3332 } else {
3333 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3334 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3335 "- retrying (%d) more times\n",
3336 ha->host_no, ha->isp_abort_cnt));
3337 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3338 status = 1;
3339 }
3340 }
3341
3342 }
3343
3344 if (status) {
3345 qla_printk(KERN_INFO, ha,
3346 "qla2x00_abort_isp: **** FAILED ****\n");
3347 } else {
3348 DEBUG(printk(KERN_INFO
3349 "qla2x00_abort_isp(%ld): exiting.\n",
3350 ha->host_no));
3351 }
3352
3353 return(status);
3354 }
3355
3356 /*
3357 * qla2x00_restart_isp
3358 * restarts the ISP after a reset
3359 *
3360 * Input:
3361 * ha = adapter block pointer.
3362 *
3363 * Returns:
3364 * 0 = success
3365 */
3366 static int
3367 qla2x00_restart_isp(scsi_qla_host_t *ha)
3368 {
3369 uint8_t status = 0;
3370 uint32_t wait_time;
3371
3372 /* If firmware needs to be loaded */
3373 if (qla2x00_isp_firmware(ha)) {
3374 ha->flags.online = 0;
3375 if (!(status = ha->isp_ops->chip_diag(ha)))
3376 status = qla2x00_setup_chip(ha);
3377 }
3378
3379 if (!status && !(status = qla2x00_init_rings(ha))) {
3380 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3381 if (!(status = qla2x00_fw_ready(ha))) {
3382 DEBUG(printk("%s(): Start configure loop, "
3383 "status = %d\n", __func__, status));
3384
3385 /* Issue a marker after FW becomes ready. */
3386 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3387
3388 ha->flags.online = 1;
3389 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3390 wait_time = 256;
3391 do {
3392 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3393 qla2x00_configure_loop(ha);
3394 wait_time--;
3395 } while (!atomic_read(&ha->loop_down_timer) &&
3396 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3397 wait_time &&
3398 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3399 }
3400
3401 /* if no cable then assume it's good */
3402 if ((ha->device_flags & DFLG_NO_CABLE))
3403 status = 0;
3404
3405 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3406 __func__,
3407 status));
3408 }
3409 return (status);
3410 }
3411
3412 /*
3413 * qla2x00_reset_adapter
3414 * Reset adapter.
3415 *
3416 * Input:
3417 * ha = adapter block pointer.
3418 */
3419 void
3420 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3421 {
3422 unsigned long flags = 0;
3423 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3424
3425 ha->flags.online = 0;
3426 ha->isp_ops->disable_intrs(ha);
3427
3428 spin_lock_irqsave(&ha->hardware_lock, flags);
3429 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3430 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3431 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3433 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3434 }
3435
3436 void
3437 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3438 {
3439 unsigned long flags = 0;
3440 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3441
3442 ha->flags.online = 0;
3443 ha->isp_ops->disable_intrs(ha);
3444
3445 spin_lock_irqsave(&ha->hardware_lock, flags);
3446 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3447 RD_REG_DWORD(&reg->hccr);
3448 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3449 RD_REG_DWORD(&reg->hccr);
3450 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3451 }
3452
3453 /* On sparc systems, obtain port and node WWN from firmware
3454 * properties.
3455 */
3456 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3457 {
3458 #ifdef CONFIG_SPARC
3459 struct pci_dev *pdev = ha->pdev;
3460 struct device_node *dp = pci_device_to_OF_node(pdev);
3461 const u8 *val;
3462 int len;
3463
3464 val = of_get_property(dp, "port-wwn", &len);
3465 if (val && len >= WWN_SIZE)
3466 memcpy(nv->port_name, val, WWN_SIZE);
3467
3468 val = of_get_property(dp, "node-wwn", &len);
3469 if (val && len >= WWN_SIZE)
3470 memcpy(nv->node_name, val, WWN_SIZE);
3471 #endif
3472 }
3473
3474 int
3475 qla24xx_nvram_config(scsi_qla_host_t *ha)
3476 {
3477 int rval;
3478 struct init_cb_24xx *icb;
3479 struct nvram_24xx *nv;
3480 uint32_t *dptr;
3481 uint8_t *dptr1, *dptr2;
3482 uint32_t chksum;
3483 uint16_t cnt;
3484
3485 rval = QLA_SUCCESS;
3486 icb = (struct init_cb_24xx *)ha->init_cb;
3487 nv = ha->nvram;
3488
3489 /* Determine NVRAM starting address. */
3490 ha->nvram_size = sizeof(struct nvram_24xx);
3491 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3492 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3493 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3494 if (PCI_FUNC(ha->pdev->devfn)) {
3495 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3496 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3497 }
3498
3499 /* Get VPD data into cache */
3500 ha->vpd = ha->nvram + VPD_OFFSET;
3501 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3502 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3503
3504 /* Get NVRAM data into cache and calculate checksum. */
3505 dptr = (uint32_t *)nv;
3506 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3507 ha->nvram_size);
3508 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3509 chksum += le32_to_cpu(*dptr++);
3510
3511 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3512 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3513
3514 /* Bad NVRAM data, set defaults parameters. */
3515 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3516 || nv->id[3] != ' ' ||
3517 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3518 /* Reset NVRAM data. */
3519 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3520 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3521 le16_to_cpu(nv->nvram_version));
3522 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3523 "invalid -- WWPN) defaults.\n");
3524
3525 /*
3526 * Set default initialization control block.
3527 */
3528 memset(nv, 0, ha->nvram_size);
3529 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3530 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3531 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3532 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3533 nv->exchange_count = __constant_cpu_to_le16(0);
3534 nv->hard_address = __constant_cpu_to_le16(124);
3535 nv->port_name[0] = 0x21;
3536 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3537 nv->port_name[2] = 0x00;
3538 nv->port_name[3] = 0xe0;
3539 nv->port_name[4] = 0x8b;
3540 nv->port_name[5] = 0x1c;
3541 nv->port_name[6] = 0x55;
3542 nv->port_name[7] = 0x86;
3543 nv->node_name[0] = 0x20;
3544 nv->node_name[1] = 0x00;
3545 nv->node_name[2] = 0x00;
3546 nv->node_name[3] = 0xe0;
3547 nv->node_name[4] = 0x8b;
3548 nv->node_name[5] = 0x1c;
3549 nv->node_name[6] = 0x55;
3550 nv->node_name[7] = 0x86;
3551 qla24xx_nvram_wwn_from_ofw(ha, nv);
3552 nv->login_retry_count = __constant_cpu_to_le16(8);
3553 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3554 nv->login_timeout = __constant_cpu_to_le16(0);
3555 nv->firmware_options_1 =
3556 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3557 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3558 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3559 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3560 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3561 nv->efi_parameters = __constant_cpu_to_le32(0);
3562 nv->reset_delay = 5;
3563 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3564 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3565 nv->link_down_timeout = __constant_cpu_to_le16(30);
3566
3567 rval = 1;
3568 }
3569
3570 /* Reset Initialization control block */
3571 memset(icb, 0, sizeof(struct init_cb_24xx));
3572
3573 /* Copy 1st segment. */
3574 dptr1 = (uint8_t *)icb;
3575 dptr2 = (uint8_t *)&nv->version;
3576 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3577 while (cnt--)
3578 *dptr1++ = *dptr2++;
3579
3580 icb->login_retry_count = nv->login_retry_count;
3581 icb->link_down_on_nos = nv->link_down_on_nos;
3582
3583 /* Copy 2nd segment. */
3584 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3585 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3586 cnt = (uint8_t *)&icb->reserved_3 -
3587 (uint8_t *)&icb->interrupt_delay_timer;
3588 while (cnt--)
3589 *dptr1++ = *dptr2++;
3590
3591 /*
3592 * Setup driver NVRAM options.
3593 */
3594 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3595 "QLA2462");
3596
3597 /* Use alternate WWN? */
3598 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3599 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3600 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3601 }
3602
3603 /* Prepare nodename */
3604 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3605 /*
3606 * Firmware will apply the following mask if the nodename was
3607 * not provided.
3608 */
3609 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3610 icb->node_name[0] &= 0xF0;
3611 }
3612
3613 /* Set host adapter parameters. */
3614 ha->flags.disable_risc_code_load = 0;
3615 ha->flags.enable_lip_reset = 0;
3616 ha->flags.enable_lip_full_login =
3617 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3618 ha->flags.enable_target_reset =
3619 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3620 ha->flags.enable_led_scheme = 0;
3621 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3622
3623 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3624 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3625
3626 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3627 sizeof(ha->fw_seriallink_options24));
3628
3629 /* save HBA serial number */
3630 ha->serial0 = icb->port_name[5];
3631 ha->serial1 = icb->port_name[6];
3632 ha->serial2 = icb->port_name[7];
3633 ha->node_name = icb->node_name;
3634 ha->port_name = icb->port_name;
3635
3636 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3637
3638 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3639
3640 /* Set minimum login_timeout to 4 seconds. */
3641 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3642 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3643 if (le16_to_cpu(nv->login_timeout) < 4)
3644 nv->login_timeout = __constant_cpu_to_le16(4);
3645 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3646 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3647
3648 /* Set minimum RATOV to 100 tenths of a second. */
3649 ha->r_a_tov = 100;
3650
3651 ha->loop_reset_delay = nv->reset_delay;
3652
3653 /* Link Down Timeout = 0:
3654 *
3655 * When Port Down timer expires we will start returning
3656 * I/O's to OS with "DID_NO_CONNECT".
3657 *
3658 * Link Down Timeout != 0:
3659 *
3660 * The driver waits for the link to come up after link down
3661 * before returning I/Os to OS with "DID_NO_CONNECT".
3662 */
3663 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3664 ha->loop_down_abort_time =
3665 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3666 } else {
3667 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3668 ha->loop_down_abort_time =
3669 (LOOP_DOWN_TIME - ha->link_down_timeout);
3670 }
3671
3672 /* Need enough time to try and get the port back. */
3673 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3674 if (qlport_down_retry)
3675 ha->port_down_retry_count = qlport_down_retry;
3676
3677 /* Set login_retry_count */
3678 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3679 if (ha->port_down_retry_count ==
3680 le16_to_cpu(nv->port_down_retry_count) &&
3681 ha->port_down_retry_count > 3)
3682 ha->login_retry_count = ha->port_down_retry_count;
3683 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3684 ha->login_retry_count = ha->port_down_retry_count;
3685 if (ql2xloginretrycount)
3686 ha->login_retry_count = ql2xloginretrycount;
3687
3688 /* Enable ZIO. */
3689 if (!ha->flags.init_done) {
3690 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3691 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3692 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3693 le16_to_cpu(icb->interrupt_delay_timer): 2;
3694 }
3695 icb->firmware_options_2 &= __constant_cpu_to_le32(
3696 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3697 ha->flags.process_response_queue = 0;
3698 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3699 ha->zio_mode = QLA_ZIO_MODE_6;
3700
3701 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3702 "(%d us).\n", ha->host_no, ha->zio_mode,
3703 ha->zio_timer * 100));
3704 qla_printk(KERN_INFO, ha,
3705 "ZIO mode %d enabled; timer delay (%d us).\n",
3706 ha->zio_mode, ha->zio_timer * 100);
3707
3708 icb->firmware_options_2 |= cpu_to_le32(
3709 (uint32_t)ha->zio_mode);
3710 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3711 ha->flags.process_response_queue = 1;
3712 }
3713
3714 if (rval) {
3715 DEBUG2_3(printk(KERN_WARNING
3716 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3717 }
3718 return (rval);
3719 }
3720
3721 static int
3722 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3723 {
3724 int rval;
3725 int segments, fragment;
3726 uint32_t faddr;
3727 uint32_t *dcode, dlen;
3728 uint32_t risc_addr;
3729 uint32_t risc_size;
3730 uint32_t i;
3731
3732 rval = QLA_SUCCESS;
3733
3734 segments = FA_RISC_CODE_SEGMENTS;
3735 faddr = FA_RISC_CODE_ADDR;
3736 dcode = (uint32_t *)ha->request_ring;
3737 *srisc_addr = 0;
3738
3739 /* Validate firmware image by checking version. */
3740 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3741 for (i = 0; i < 4; i++)
3742 dcode[i] = be32_to_cpu(dcode[i]);
3743 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3744 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3745 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3746 dcode[3] == 0)) {
3747 qla_printk(KERN_WARNING, ha,
3748 "Unable to verify integrity of flash firmware image!\n");
3749 qla_printk(KERN_WARNING, ha,
3750 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3751 dcode[1], dcode[2], dcode[3]);
3752
3753 return QLA_FUNCTION_FAILED;
3754 }
3755
3756 while (segments && rval == QLA_SUCCESS) {
3757 /* Read segment's load information. */
3758 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3759
3760 risc_addr = be32_to_cpu(dcode[2]);
3761 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3762 risc_size = be32_to_cpu(dcode[3]);
3763
3764 fragment = 0;
3765 while (risc_size > 0 && rval == QLA_SUCCESS) {
3766 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3767 if (dlen > risc_size)
3768 dlen = risc_size;
3769
3770 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3771 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3772 ha->host_no, risc_addr, dlen, faddr));
3773
3774 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3775 for (i = 0; i < dlen; i++)
3776 dcode[i] = swab32(dcode[i]);
3777
3778 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3779 dlen);
3780 if (rval) {
3781 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3782 "segment %d of firmware\n", ha->host_no,
3783 fragment));
3784 qla_printk(KERN_WARNING, ha,
3785 "[ERROR] Failed to load segment %d of "
3786 "firmware\n", fragment);
3787 break;
3788 }
3789
3790 faddr += dlen;
3791 risc_addr += dlen;
3792 risc_size -= dlen;
3793 fragment++;
3794 }
3795
3796 /* Next segment. */
3797 segments--;
3798 }
3799
3800 return rval;
3801 }
3802
3803 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3804
3805 int
3806 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3807 {
3808 int rval;
3809 int i, fragment;
3810 uint16_t *wcode, *fwcode;
3811 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3812 struct fw_blob *blob;
3813
3814 /* Load firmware blob. */
3815 blob = qla2x00_request_firmware(ha);
3816 if (!blob) {
3817 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3818 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3819 "from: " QLA_FW_URL ".\n");
3820 return QLA_FUNCTION_FAILED;
3821 }
3822
3823 rval = QLA_SUCCESS;
3824
3825 wcode = (uint16_t *)ha->request_ring;
3826 *srisc_addr = 0;
3827 fwcode = (uint16_t *)blob->fw->data;
3828 fwclen = 0;
3829
3830 /* Validate firmware image by checking version. */
3831 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3832 qla_printk(KERN_WARNING, ha,
3833 "Unable to verify integrity of firmware image (%Zd)!\n",
3834 blob->fw->size);
3835 goto fail_fw_integrity;
3836 }
3837 for (i = 0; i < 4; i++)
3838 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3839 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3840 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3841 wcode[2] == 0 && wcode[3] == 0)) {
3842 qla_printk(KERN_WARNING, ha,
3843 "Unable to verify integrity of firmware image!\n");
3844 qla_printk(KERN_WARNING, ha,
3845 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3846 wcode[1], wcode[2], wcode[3]);
3847 goto fail_fw_integrity;
3848 }
3849
3850 seg = blob->segs;
3851 while (*seg && rval == QLA_SUCCESS) {
3852 risc_addr = *seg;
3853 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3854 risc_size = be16_to_cpu(fwcode[3]);
3855
3856 /* Validate firmware image size. */
3857 fwclen += risc_size * sizeof(uint16_t);
3858 if (blob->fw->size < fwclen) {
3859 qla_printk(KERN_WARNING, ha,
3860 "Unable to verify integrity of firmware image "
3861 "(%Zd)!\n", blob->fw->size);
3862 goto fail_fw_integrity;
3863 }
3864
3865 fragment = 0;
3866 while (risc_size > 0 && rval == QLA_SUCCESS) {
3867 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3868 if (wlen > risc_size)
3869 wlen = risc_size;
3870
3871 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3872 "addr %x, number of words 0x%x.\n", ha->host_no,
3873 risc_addr, wlen));
3874
3875 for (i = 0; i < wlen; i++)
3876 wcode[i] = swab16(fwcode[i]);
3877
3878 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3879 wlen);
3880 if (rval) {
3881 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3882 "segment %d of firmware\n", ha->host_no,
3883 fragment));
3884 qla_printk(KERN_WARNING, ha,
3885 "[ERROR] Failed to load segment %d of "
3886 "firmware\n", fragment);
3887 break;
3888 }
3889
3890 fwcode += wlen;
3891 risc_addr += wlen;
3892 risc_size -= wlen;
3893 fragment++;
3894 }
3895
3896 /* Next segment. */
3897 seg++;
3898 }
3899 return rval;
3900
3901 fail_fw_integrity:
3902 return QLA_FUNCTION_FAILED;
3903 }
3904
3905 int
3906 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3907 {
3908 int rval;
3909 int segments, fragment;
3910 uint32_t *dcode, dlen;
3911 uint32_t risc_addr;
3912 uint32_t risc_size;
3913 uint32_t i;
3914 struct fw_blob *blob;
3915 uint32_t *fwcode, fwclen;
3916
3917 /* Load firmware blob. */
3918 blob = qla2x00_request_firmware(ha);
3919 if (!blob) {
3920 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3921 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3922 "from: " QLA_FW_URL ".\n");
3923
3924 /* Try to load RISC code from flash. */
3925 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3926 "outdated) firmware from flash.\n");
3927 return qla24xx_load_risc_flash(ha, srisc_addr);
3928 }
3929
3930 rval = QLA_SUCCESS;
3931
3932 segments = FA_RISC_CODE_SEGMENTS;
3933 dcode = (uint32_t *)ha->request_ring;
3934 *srisc_addr = 0;
3935 fwcode = (uint32_t *)blob->fw->data;
3936 fwclen = 0;
3937
3938 /* Validate firmware image by checking version. */
3939 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3940 qla_printk(KERN_WARNING, ha,
3941 "Unable to verify integrity of firmware image (%Zd)!\n",
3942 blob->fw->size);
3943 goto fail_fw_integrity;
3944 }
3945 for (i = 0; i < 4; i++)
3946 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3947 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3948 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3949 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3950 dcode[3] == 0)) {
3951 qla_printk(KERN_WARNING, ha,
3952 "Unable to verify integrity of firmware image!\n");
3953 qla_printk(KERN_WARNING, ha,
3954 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3955 dcode[1], dcode[2], dcode[3]);
3956 goto fail_fw_integrity;
3957 }
3958
3959 while (segments && rval == QLA_SUCCESS) {
3960 risc_addr = be32_to_cpu(fwcode[2]);
3961 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3962 risc_size = be32_to_cpu(fwcode[3]);
3963
3964 /* Validate firmware image size. */
3965 fwclen += risc_size * sizeof(uint32_t);
3966 if (blob->fw->size < fwclen) {
3967 qla_printk(KERN_WARNING, ha,
3968 "Unable to verify integrity of firmware image "
3969 "(%Zd)!\n", blob->fw->size);
3970
3971 goto fail_fw_integrity;
3972 }
3973
3974 fragment = 0;
3975 while (risc_size > 0 && rval == QLA_SUCCESS) {
3976 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3977 if (dlen > risc_size)
3978 dlen = risc_size;
3979
3980 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3981 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3982 risc_addr, dlen));
3983
3984 for (i = 0; i < dlen; i++)
3985 dcode[i] = swab32(fwcode[i]);
3986
3987 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3988 dlen);
3989 if (rval) {
3990 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3991 "segment %d of firmware\n", ha->host_no,
3992 fragment));
3993 qla_printk(KERN_WARNING, ha,
3994 "[ERROR] Failed to load segment %d of "
3995 "firmware\n", fragment);
3996 break;
3997 }
3998
3999 fwcode += dlen;
4000 risc_addr += dlen;
4001 risc_size -= dlen;
4002 fragment++;
4003 }
4004
4005 /* Next segment. */
4006 segments--;
4007 }
4008 return rval;
4009
4010 fail_fw_integrity:
4011 return QLA_FUNCTION_FAILED;
4012 }
4013
4014 void
4015 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4016 {
4017 int ret, retries;
4018
4019 if (!IS_FWI2_CAPABLE(ha))
4020 return;
4021 if (!ha->fw_major_version)
4022 return;
4023
4024 ret = qla2x00_stop_firmware(ha);
4025 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4026 retries ; retries--) {
4027 qla2x00_reset_chip(ha);
4028 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4029 continue;
4030 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4031 continue;
4032 qla_printk(KERN_INFO, ha,
4033 "Attempting retry of stop-firmware command...\n");
4034 ret = qla2x00_stop_firmware(ha);
4035 }
4036 }
4037
4038 int
4039 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4040 {
4041 int rval = QLA_SUCCESS;
4042 uint16_t mb[MAILBOX_REGISTER_COUNT];
4043
4044 if (!ha->parent)
4045 return -EINVAL;
4046
4047 rval = qla2x00_fw_ready(ha);
4048 if (rval == QLA_SUCCESS) {
4049 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4050 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4051 }
4052
4053 ha->flags.management_server_logged_in = 0;
4054
4055 /* Login to SNS first */
4056 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4057 mb, BIT_1);
4058 if (mb[0] != MBS_COMMAND_COMPLETE) {
4059 DEBUG15(qla_printk(KERN_INFO, ha,
4060 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4061 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4062 mb[0], mb[1], mb[2], mb[6], mb[7]));
4063 return (QLA_FUNCTION_FAILED);
4064 }
4065
4066 atomic_set(&ha->loop_down_timer, 0);
4067 atomic_set(&ha->loop_state, LOOP_UP);
4068 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4069 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4070 rval = qla2x00_loop_resync(ha);
4071
4072 return rval;
4073 }
Linux with added FPC-III support