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Merge branch 'linux-2.6' into for-2.6.24
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
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;
736 dma_addr_t eft_dma;
737 void *eft;
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 = 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 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
762 GFP_KERNEL);
763 if (!eft) {
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 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
770 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, eft,
775 eft_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 memset(eft, 0, eft_size);
784 ha->eft_dma = eft_dma;
785 ha->eft = eft;
786 }
787 cont_alloc:
788 req_q_size = ha->request_q_length * sizeof(request_t);
789 rsp_q_size = ha->response_q_length * sizeof(response_t);
790
791 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
792 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
793 eft_size;
794
795 ha->fw_dump = vmalloc(dump_size);
796 if (!ha->fw_dump) {
797 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
798 "firmware dump!!!\n", dump_size / 1024);
799
800 if (ha->eft) {
801 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
802 ha->eft_dma);
803 ha->eft = NULL;
804 ha->eft_dma = 0;
805 }
806 return;
807 }
808
809 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
810 dump_size / 1024);
811
812 ha->fw_dump_len = dump_size;
813 ha->fw_dump->signature[0] = 'Q';
814 ha->fw_dump->signature[1] = 'L';
815 ha->fw_dump->signature[2] = 'G';
816 ha->fw_dump->signature[3] = 'C';
817 ha->fw_dump->version = __constant_htonl(1);
818
819 ha->fw_dump->fixed_size = htonl(fixed_size);
820 ha->fw_dump->mem_size = htonl(mem_size);
821 ha->fw_dump->req_q_size = htonl(req_q_size);
822 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
823
824 ha->fw_dump->eft_size = htonl(eft_size);
825 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
826 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
827
828 ha->fw_dump->header_size =
829 htonl(offsetof(struct qla2xxx_fw_dump, isp));
830 }
831
832 /**
833 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
834 * @ha: HA context
835 *
836 * Returns 0 on success.
837 */
838 static void
839 qla2x00_resize_request_q(scsi_qla_host_t *ha)
840 {
841 int rval;
842 uint16_t fw_iocb_cnt = 0;
843 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
844 dma_addr_t request_dma;
845 request_t *request_ring;
846
847 /* Valid only on recent ISPs. */
848 if (IS_QLA2100(ha) || IS_QLA2200(ha))
849 return;
850
851 /* Retrieve IOCB counts available to the firmware. */
852 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
853 if (rval)
854 return;
855 /* No point in continuing if current settings are sufficient. */
856 if (fw_iocb_cnt < 1024)
857 return;
858 if (ha->request_q_length >= request_q_length)
859 return;
860
861 /* Attempt to claim larger area for request queue. */
862 request_ring = dma_alloc_coherent(&ha->pdev->dev,
863 (request_q_length + 1) * sizeof(request_t), &request_dma,
864 GFP_KERNEL);
865 if (request_ring == NULL)
866 return;
867
868 /* Resize successful, report extensions. */
869 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
870 (ha->fw_memory_size + 1) / 1024);
871 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
872 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
873
874 /* Clear old allocations. */
875 dma_free_coherent(&ha->pdev->dev,
876 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
877 ha->request_dma);
878
879 /* Begin using larger queue. */
880 ha->request_q_length = request_q_length;
881 ha->request_ring = request_ring;
882 ha->request_dma = request_dma;
883 }
884
885 /**
886 * qla2x00_setup_chip() - Load and start RISC firmware.
887 * @ha: HA context
888 *
889 * Returns 0 on success.
890 */
891 static int
892 qla2x00_setup_chip(scsi_qla_host_t *ha)
893 {
894 int rval;
895 uint32_t srisc_address = 0;
896
897 /* Load firmware sequences */
898 rval = ha->isp_ops->load_risc(ha, &srisc_address);
899 if (rval == QLA_SUCCESS) {
900 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
901 "code.\n", ha->host_no));
902
903 rval = qla2x00_verify_checksum(ha, srisc_address);
904 if (rval == QLA_SUCCESS) {
905 /* Start firmware execution. */
906 DEBUG(printk("scsi(%ld): Checksum OK, start "
907 "firmware.\n", ha->host_no));
908
909 rval = qla2x00_execute_fw(ha, srisc_address);
910 /* Retrieve firmware information. */
911 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
912 qla2x00_get_fw_version(ha,
913 &ha->fw_major_version,
914 &ha->fw_minor_version,
915 &ha->fw_subminor_version,
916 &ha->fw_attributes, &ha->fw_memory_size);
917 qla2x00_resize_request_q(ha);
918 ha->flags.npiv_supported = 0;
919 if (IS_QLA24XX(ha) &&
920 (ha->fw_attributes & BIT_2))
921 ha->flags.npiv_supported = 1;
922
923 if (ql2xallocfwdump)
924 qla2x00_alloc_fw_dump(ha);
925 }
926 } else {
927 DEBUG2(printk(KERN_INFO
928 "scsi(%ld): ISP Firmware failed checksum.\n",
929 ha->host_no));
930 }
931 }
932
933 if (rval) {
934 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
935 ha->host_no));
936 }
937
938 return (rval);
939 }
940
941 /**
942 * qla2x00_init_response_q_entries() - Initializes response queue entries.
943 * @ha: HA context
944 *
945 * Beginning of request ring has initialization control block already built
946 * by nvram config routine.
947 *
948 * Returns 0 on success.
949 */
950 static void
951 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
952 {
953 uint16_t cnt;
954 response_t *pkt;
955
956 pkt = ha->response_ring_ptr;
957 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
958 pkt->signature = RESPONSE_PROCESSED;
959 pkt++;
960 }
961
962 }
963
964 /**
965 * qla2x00_update_fw_options() - Read and process firmware options.
966 * @ha: HA context
967 *
968 * Returns 0 on success.
969 */
970 void
971 qla2x00_update_fw_options(scsi_qla_host_t *ha)
972 {
973 uint16_t swing, emphasis, tx_sens, rx_sens;
974
975 memset(ha->fw_options, 0, sizeof(ha->fw_options));
976 qla2x00_get_fw_options(ha, ha->fw_options);
977
978 if (IS_QLA2100(ha) || IS_QLA2200(ha))
979 return;
980
981 /* Serial Link options. */
982 DEBUG3(printk("scsi(%ld): Serial link options:\n",
983 ha->host_no));
984 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
985 sizeof(ha->fw_seriallink_options)));
986
987 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
988 if (ha->fw_seriallink_options[3] & BIT_2) {
989 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
990
991 /* 1G settings */
992 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
993 emphasis = (ha->fw_seriallink_options[2] &
994 (BIT_4 | BIT_3)) >> 3;
995 tx_sens = ha->fw_seriallink_options[0] &
996 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
997 rx_sens = (ha->fw_seriallink_options[0] &
998 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
999 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1000 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1001 if (rx_sens == 0x0)
1002 rx_sens = 0x3;
1003 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1004 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1005 ha->fw_options[10] |= BIT_5 |
1006 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1007 (tx_sens & (BIT_1 | BIT_0));
1008
1009 /* 2G settings */
1010 swing = (ha->fw_seriallink_options[2] &
1011 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1012 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1013 tx_sens = ha->fw_seriallink_options[1] &
1014 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1015 rx_sens = (ha->fw_seriallink_options[1] &
1016 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1017 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1018 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1019 if (rx_sens == 0x0)
1020 rx_sens = 0x3;
1021 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1022 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1023 ha->fw_options[11] |= BIT_5 |
1024 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1025 (tx_sens & (BIT_1 | BIT_0));
1026 }
1027
1028 /* FCP2 options. */
1029 /* Return command IOCBs without waiting for an ABTS to complete. */
1030 ha->fw_options[3] |= BIT_13;
1031
1032 /* LED scheme. */
1033 if (ha->flags.enable_led_scheme)
1034 ha->fw_options[2] |= BIT_12;
1035
1036 /* Detect ISP6312. */
1037 if (IS_QLA6312(ha))
1038 ha->fw_options[2] |= BIT_13;
1039
1040 /* Update firmware options. */
1041 qla2x00_set_fw_options(ha, ha->fw_options);
1042 }
1043
1044 void
1045 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1046 {
1047 int rval;
1048
1049 /* Update Serial Link options. */
1050 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1051 return;
1052
1053 rval = qla2x00_set_serdes_params(ha,
1054 le16_to_cpu(ha->fw_seriallink_options24[1]),
1055 le16_to_cpu(ha->fw_seriallink_options24[2]),
1056 le16_to_cpu(ha->fw_seriallink_options24[3]));
1057 if (rval != QLA_SUCCESS) {
1058 qla_printk(KERN_WARNING, ha,
1059 "Unable to update Serial Link options (%x).\n", rval);
1060 }
1061 }
1062
1063 void
1064 qla2x00_config_rings(struct scsi_qla_host *ha)
1065 {
1066 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1067
1068 /* Setup ring parameters in initialization control block. */
1069 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1070 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1071 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1072 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1073 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1074 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1075 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1076 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1077
1078 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1079 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1080 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1081 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1082 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1083 }
1084
1085 void
1086 qla24xx_config_rings(struct scsi_qla_host *ha)
1087 {
1088 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1089 struct init_cb_24xx *icb;
1090
1091 /* Setup ring parameters in initialization control block. */
1092 icb = (struct init_cb_24xx *)ha->init_cb;
1093 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1094 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1095 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1096 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1097 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1098 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1099 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1100 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1101
1102 WRT_REG_DWORD(&reg->req_q_in, 0);
1103 WRT_REG_DWORD(&reg->req_q_out, 0);
1104 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1105 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1106 RD_REG_DWORD(&reg->rsp_q_out);
1107 }
1108
1109 /**
1110 * qla2x00_init_rings() - Initializes firmware.
1111 * @ha: HA context
1112 *
1113 * Beginning of request ring has initialization control block already built
1114 * by nvram config routine.
1115 *
1116 * Returns 0 on success.
1117 */
1118 static int
1119 qla2x00_init_rings(scsi_qla_host_t *ha)
1120 {
1121 int rval;
1122 unsigned long flags = 0;
1123 int cnt;
1124 struct mid_init_cb_24xx *mid_init_cb =
1125 (struct mid_init_cb_24xx *) ha->init_cb;
1126
1127 spin_lock_irqsave(&ha->hardware_lock, flags);
1128
1129 /* Clear outstanding commands array. */
1130 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1131 ha->outstanding_cmds[cnt] = NULL;
1132
1133 ha->current_outstanding_cmd = 0;
1134
1135 /* Clear RSCN queue. */
1136 ha->rscn_in_ptr = 0;
1137 ha->rscn_out_ptr = 0;
1138
1139 /* Initialize firmware. */
1140 ha->request_ring_ptr = ha->request_ring;
1141 ha->req_ring_index = 0;
1142 ha->req_q_cnt = ha->request_q_length;
1143 ha->response_ring_ptr = ha->response_ring;
1144 ha->rsp_ring_index = 0;
1145
1146 /* Initialize response queue entries */
1147 qla2x00_init_response_q_entries(ha);
1148
1149 ha->isp_ops->config_rings(ha);
1150
1151 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1152
1153 /* Update any ISP specific firmware options before initialization. */
1154 ha->isp_ops->update_fw_options(ha);
1155
1156 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1157
1158 mid_init_cb->count = MAX_NUM_VPORT_FABRIC;
1159 ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC;
1160
1161 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1162 if (rval) {
1163 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1164 ha->host_no));
1165 } else {
1166 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1167 ha->host_no));
1168 }
1169
1170 return (rval);
1171 }
1172
1173 /**
1174 * qla2x00_fw_ready() - Waits for firmware ready.
1175 * @ha: HA context
1176 *
1177 * Returns 0 on success.
1178 */
1179 static int
1180 qla2x00_fw_ready(scsi_qla_host_t *ha)
1181 {
1182 int rval;
1183 unsigned long wtime, mtime;
1184 uint16_t min_wait; /* Minimum wait time if loop is down */
1185 uint16_t wait_time; /* Wait time if loop is coming ready */
1186 uint16_t fw_state;
1187
1188 rval = QLA_SUCCESS;
1189
1190 /* 20 seconds for loop down. */
1191 min_wait = 20;
1192
1193 /*
1194 * Firmware should take at most one RATOV to login, plus 5 seconds for
1195 * our own processing.
1196 */
1197 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1198 wait_time = min_wait;
1199 }
1200
1201 /* Min wait time if loop down */
1202 mtime = jiffies + (min_wait * HZ);
1203
1204 /* wait time before firmware ready */
1205 wtime = jiffies + (wait_time * HZ);
1206
1207 /* Wait for ISP to finish LIP */
1208 if (!ha->flags.init_done)
1209 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1210
1211 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1212 ha->host_no));
1213
1214 do {
1215 rval = qla2x00_get_firmware_state(ha, &fw_state);
1216 if (rval == QLA_SUCCESS) {
1217 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1218 ha->device_flags &= ~DFLG_NO_CABLE;
1219 }
1220 if (fw_state == FSTATE_READY) {
1221 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1222 ha->host_no));
1223
1224 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1225 &ha->login_timeout, &ha->r_a_tov);
1226
1227 rval = QLA_SUCCESS;
1228 break;
1229 }
1230
1231 rval = QLA_FUNCTION_FAILED;
1232
1233 if (atomic_read(&ha->loop_down_timer) &&
1234 fw_state != FSTATE_READY) {
1235 /* Loop down. Timeout on min_wait for states
1236 * other than Wait for Login.
1237 */
1238 if (time_after_eq(jiffies, mtime)) {
1239 qla_printk(KERN_INFO, ha,
1240 "Cable is unplugged...\n");
1241
1242 ha->device_flags |= DFLG_NO_CABLE;
1243 break;
1244 }
1245 }
1246 } else {
1247 /* Mailbox cmd failed. Timeout on min_wait. */
1248 if (time_after_eq(jiffies, mtime))
1249 break;
1250 }
1251
1252 if (time_after_eq(jiffies, wtime))
1253 break;
1254
1255 /* Delay for a while */
1256 msleep(500);
1257
1258 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1259 ha->host_no, fw_state, jiffies));
1260 } while (1);
1261
1262 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1263 ha->host_no, fw_state, jiffies));
1264
1265 if (rval) {
1266 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1267 ha->host_no));
1268 }
1269
1270 return (rval);
1271 }
1272
1273 /*
1274 * qla2x00_configure_hba
1275 * Setup adapter context.
1276 *
1277 * Input:
1278 * ha = adapter state pointer.
1279 *
1280 * Returns:
1281 * 0 = success
1282 *
1283 * Context:
1284 * Kernel context.
1285 */
1286 static int
1287 qla2x00_configure_hba(scsi_qla_host_t *ha)
1288 {
1289 int rval;
1290 uint16_t loop_id;
1291 uint16_t topo;
1292 uint16_t sw_cap;
1293 uint8_t al_pa;
1294 uint8_t area;
1295 uint8_t domain;
1296 char connect_type[22];
1297
1298 /* Get host addresses. */
1299 rval = qla2x00_get_adapter_id(ha,
1300 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1301 if (rval != QLA_SUCCESS) {
1302 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1303 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1304 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1305 __func__, ha->host_no));
1306 } else {
1307 qla_printk(KERN_WARNING, ha,
1308 "ERROR -- Unable to get host loop ID.\n");
1309 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1310 }
1311 return (rval);
1312 }
1313
1314 if (topo == 4) {
1315 qla_printk(KERN_INFO, ha,
1316 "Cannot get topology - retrying.\n");
1317 return (QLA_FUNCTION_FAILED);
1318 }
1319
1320 ha->loop_id = loop_id;
1321
1322 /* initialize */
1323 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1324 ha->operating_mode = LOOP;
1325 ha->switch_cap = 0;
1326
1327 switch (topo) {
1328 case 0:
1329 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1330 ha->host_no));
1331 ha->current_topology = ISP_CFG_NL;
1332 strcpy(connect_type, "(Loop)");
1333 break;
1334
1335 case 1:
1336 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1337 ha->host_no));
1338 ha->switch_cap = sw_cap;
1339 ha->current_topology = ISP_CFG_FL;
1340 strcpy(connect_type, "(FL_Port)");
1341 break;
1342
1343 case 2:
1344 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1345 ha->host_no));
1346 ha->operating_mode = P2P;
1347 ha->current_topology = ISP_CFG_N;
1348 strcpy(connect_type, "(N_Port-to-N_Port)");
1349 break;
1350
1351 case 3:
1352 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1353 ha->host_no));
1354 ha->switch_cap = sw_cap;
1355 ha->operating_mode = P2P;
1356 ha->current_topology = ISP_CFG_F;
1357 strcpy(connect_type, "(F_Port)");
1358 break;
1359
1360 default:
1361 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1362 "Using NL.\n",
1363 ha->host_no, topo));
1364 ha->current_topology = ISP_CFG_NL;
1365 strcpy(connect_type, "(Loop)");
1366 break;
1367 }
1368
1369 /* Save Host port and loop ID. */
1370 /* byte order - Big Endian */
1371 ha->d_id.b.domain = domain;
1372 ha->d_id.b.area = area;
1373 ha->d_id.b.al_pa = al_pa;
1374
1375 if (!ha->flags.init_done)
1376 qla_printk(KERN_INFO, ha,
1377 "Topology - %s, Host Loop address 0x%x\n",
1378 connect_type, ha->loop_id);
1379
1380 if (rval) {
1381 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1382 } else {
1383 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1384 }
1385
1386 return(rval);
1387 }
1388
1389 static inline void
1390 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1391 {
1392 char *st, *en;
1393 uint16_t index;
1394
1395 if (memcmp(model, BINZERO, len) != 0) {
1396 strncpy(ha->model_number, model, len);
1397 st = en = ha->model_number;
1398 en += len - 1;
1399 while (en > st) {
1400 if (*en != 0x20 && *en != 0x00)
1401 break;
1402 *en-- = '\0';
1403 }
1404
1405 index = (ha->pdev->subsystem_device & 0xff);
1406 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1407 index < QLA_MODEL_NAMES)
1408 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1409 } else {
1410 index = (ha->pdev->subsystem_device & 0xff);
1411 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1412 index < QLA_MODEL_NAMES) {
1413 strcpy(ha->model_number,
1414 qla2x00_model_name[index * 2]);
1415 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1416 } else {
1417 strcpy(ha->model_number, def);
1418 }
1419 }
1420 }
1421
1422 /* On sparc systems, obtain port and node WWN from firmware
1423 * properties.
1424 */
1425 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1426 {
1427 #ifdef CONFIG_SPARC
1428 struct pci_dev *pdev = ha->pdev;
1429 struct device_node *dp = pci_device_to_OF_node(pdev);
1430 const u8 *val;
1431 int len;
1432
1433 val = of_get_property(dp, "port-wwn", &len);
1434 if (val && len >= WWN_SIZE)
1435 memcpy(nv->port_name, val, WWN_SIZE);
1436
1437 val = of_get_property(dp, "node-wwn", &len);
1438 if (val && len >= WWN_SIZE)
1439 memcpy(nv->node_name, val, WWN_SIZE);
1440 #endif
1441 }
1442
1443 /*
1444 * NVRAM configuration for ISP 2xxx
1445 *
1446 * Input:
1447 * ha = adapter block pointer.
1448 *
1449 * Output:
1450 * initialization control block in response_ring
1451 * host adapters parameters in host adapter block
1452 *
1453 * Returns:
1454 * 0 = success.
1455 */
1456 int
1457 qla2x00_nvram_config(scsi_qla_host_t *ha)
1458 {
1459 int rval;
1460 uint8_t chksum = 0;
1461 uint16_t cnt;
1462 uint8_t *dptr1, *dptr2;
1463 init_cb_t *icb = ha->init_cb;
1464 nvram_t *nv = ha->nvram;
1465 uint8_t *ptr = ha->nvram;
1466 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1467
1468 rval = QLA_SUCCESS;
1469
1470 /* Determine NVRAM starting address. */
1471 ha->nvram_size = sizeof(nvram_t);
1472 ha->nvram_base = 0;
1473 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1474 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1475 ha->nvram_base = 0x80;
1476
1477 /* Get NVRAM data and calculate checksum. */
1478 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1479 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1480 chksum += *ptr++;
1481
1482 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1483 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1484
1485 /* Bad NVRAM data, set defaults parameters. */
1486 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1487 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1488 /* Reset NVRAM data. */
1489 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1490 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1491 nv->nvram_version);
1492 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1493 "invalid -- WWPN) defaults.\n");
1494
1495 /*
1496 * Set default initialization control block.
1497 */
1498 memset(nv, 0, ha->nvram_size);
1499 nv->parameter_block_version = ICB_VERSION;
1500
1501 if (IS_QLA23XX(ha)) {
1502 nv->firmware_options[0] = BIT_2 | BIT_1;
1503 nv->firmware_options[1] = BIT_7 | BIT_5;
1504 nv->add_firmware_options[0] = BIT_5;
1505 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1506 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1507 nv->special_options[1] = BIT_7;
1508 } else if (IS_QLA2200(ha)) {
1509 nv->firmware_options[0] = BIT_2 | BIT_1;
1510 nv->firmware_options[1] = BIT_7 | BIT_5;
1511 nv->add_firmware_options[0] = BIT_5;
1512 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1513 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1514 } else if (IS_QLA2100(ha)) {
1515 nv->firmware_options[0] = BIT_3 | BIT_1;
1516 nv->firmware_options[1] = BIT_5;
1517 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1518 }
1519
1520 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1521 nv->execution_throttle = __constant_cpu_to_le16(16);
1522 nv->retry_count = 8;
1523 nv->retry_delay = 1;
1524
1525 nv->port_name[0] = 33;
1526 nv->port_name[3] = 224;
1527 nv->port_name[4] = 139;
1528
1529 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1530
1531 nv->login_timeout = 4;
1532
1533 /*
1534 * Set default host adapter parameters
1535 */
1536 nv->host_p[1] = BIT_2;
1537 nv->reset_delay = 5;
1538 nv->port_down_retry_count = 8;
1539 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1540 nv->link_down_timeout = 60;
1541
1542 rval = 1;
1543 }
1544
1545 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1546 /*
1547 * The SN2 does not provide BIOS emulation which means you can't change
1548 * potentially bogus BIOS settings. Force the use of default settings
1549 * for link rate and frame size. Hope that the rest of the settings
1550 * are valid.
1551 */
1552 if (ia64_platform_is("sn2")) {
1553 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1554 if (IS_QLA23XX(ha))
1555 nv->special_options[1] = BIT_7;
1556 }
1557 #endif
1558
1559 /* Reset Initialization control block */
1560 memset(icb, 0, ha->init_cb_size);
1561
1562 /*
1563 * Setup driver NVRAM options.
1564 */
1565 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1566 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1567 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1568 nv->firmware_options[1] &= ~BIT_4;
1569
1570 if (IS_QLA23XX(ha)) {
1571 nv->firmware_options[0] |= BIT_2;
1572 nv->firmware_options[0] &= ~BIT_3;
1573 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1574
1575 if (IS_QLA2300(ha)) {
1576 if (ha->fb_rev == FPM_2310) {
1577 strcpy(ha->model_number, "QLA2310");
1578 } else {
1579 strcpy(ha->model_number, "QLA2300");
1580 }
1581 } else {
1582 qla2x00_set_model_info(ha, nv->model_number,
1583 sizeof(nv->model_number), "QLA23xx");
1584 }
1585 } else if (IS_QLA2200(ha)) {
1586 nv->firmware_options[0] |= BIT_2;
1587 /*
1588 * 'Point-to-point preferred, else loop' is not a safe
1589 * connection mode setting.
1590 */
1591 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1592 (BIT_5 | BIT_4)) {
1593 /* Force 'loop preferred, else point-to-point'. */
1594 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1595 nv->add_firmware_options[0] |= BIT_5;
1596 }
1597 strcpy(ha->model_number, "QLA22xx");
1598 } else /*if (IS_QLA2100(ha))*/ {
1599 strcpy(ha->model_number, "QLA2100");
1600 }
1601
1602 /*
1603 * Copy over NVRAM RISC parameter block to initialization control block.
1604 */
1605 dptr1 = (uint8_t *)icb;
1606 dptr2 = (uint8_t *)&nv->parameter_block_version;
1607 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1608 while (cnt--)
1609 *dptr1++ = *dptr2++;
1610
1611 /* Copy 2nd half. */
1612 dptr1 = (uint8_t *)icb->add_firmware_options;
1613 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1614 while (cnt--)
1615 *dptr1++ = *dptr2++;
1616
1617 /* Use alternate WWN? */
1618 if (nv->host_p[1] & BIT_7) {
1619 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1620 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1621 }
1622
1623 /* Prepare nodename */
1624 if ((icb->firmware_options[1] & BIT_6) == 0) {
1625 /*
1626 * Firmware will apply the following mask if the nodename was
1627 * not provided.
1628 */
1629 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1630 icb->node_name[0] &= 0xF0;
1631 }
1632
1633 /*
1634 * Set host adapter parameters.
1635 */
1636 if (nv->host_p[0] & BIT_7)
1637 ql2xextended_error_logging = 1;
1638 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1639 /* Always load RISC code on non ISP2[12]00 chips. */
1640 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1641 ha->flags.disable_risc_code_load = 0;
1642 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1643 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1644 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1645 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1646 ha->flags.disable_serdes = 0;
1647
1648 ha->operating_mode =
1649 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1650
1651 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1652 sizeof(ha->fw_seriallink_options));
1653
1654 /* save HBA serial number */
1655 ha->serial0 = icb->port_name[5];
1656 ha->serial1 = icb->port_name[6];
1657 ha->serial2 = icb->port_name[7];
1658 ha->node_name = icb->node_name;
1659 ha->port_name = icb->port_name;
1660
1661 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1662
1663 ha->retry_count = nv->retry_count;
1664
1665 /* Set minimum login_timeout to 4 seconds. */
1666 if (nv->login_timeout < ql2xlogintimeout)
1667 nv->login_timeout = ql2xlogintimeout;
1668 if (nv->login_timeout < 4)
1669 nv->login_timeout = 4;
1670 ha->login_timeout = nv->login_timeout;
1671 icb->login_timeout = nv->login_timeout;
1672
1673 /* Set minimum RATOV to 200 tenths of a second. */
1674 ha->r_a_tov = 200;
1675
1676 ha->loop_reset_delay = nv->reset_delay;
1677
1678 /* Link Down Timeout = 0:
1679 *
1680 * When Port Down timer expires we will start returning
1681 * I/O's to OS with "DID_NO_CONNECT".
1682 *
1683 * Link Down Timeout != 0:
1684 *
1685 * The driver waits for the link to come up after link down
1686 * before returning I/Os to OS with "DID_NO_CONNECT".
1687 */
1688 if (nv->link_down_timeout == 0) {
1689 ha->loop_down_abort_time =
1690 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1691 } else {
1692 ha->link_down_timeout = nv->link_down_timeout;
1693 ha->loop_down_abort_time =
1694 (LOOP_DOWN_TIME - ha->link_down_timeout);
1695 }
1696
1697 /*
1698 * Need enough time to try and get the port back.
1699 */
1700 ha->port_down_retry_count = nv->port_down_retry_count;
1701 if (qlport_down_retry)
1702 ha->port_down_retry_count = qlport_down_retry;
1703 /* Set login_retry_count */
1704 ha->login_retry_count = nv->retry_count;
1705 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1706 ha->port_down_retry_count > 3)
1707 ha->login_retry_count = ha->port_down_retry_count;
1708 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1709 ha->login_retry_count = ha->port_down_retry_count;
1710 if (ql2xloginretrycount)
1711 ha->login_retry_count = ql2xloginretrycount;
1712
1713 icb->lun_enables = __constant_cpu_to_le16(0);
1714 icb->command_resource_count = 0;
1715 icb->immediate_notify_resource_count = 0;
1716 icb->timeout = __constant_cpu_to_le16(0);
1717
1718 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1719 /* Enable RIO */
1720 icb->firmware_options[0] &= ~BIT_3;
1721 icb->add_firmware_options[0] &=
1722 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1723 icb->add_firmware_options[0] |= BIT_2;
1724 icb->response_accumulation_timer = 3;
1725 icb->interrupt_delay_timer = 5;
1726
1727 ha->flags.process_response_queue = 1;
1728 } else {
1729 /* Enable ZIO. */
1730 if (!ha->flags.init_done) {
1731 ha->zio_mode = icb->add_firmware_options[0] &
1732 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1733 ha->zio_timer = icb->interrupt_delay_timer ?
1734 icb->interrupt_delay_timer: 2;
1735 }
1736 icb->add_firmware_options[0] &=
1737 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1738 ha->flags.process_response_queue = 0;
1739 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1740 ha->zio_mode = QLA_ZIO_MODE_6;
1741
1742 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1743 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1744 ha->zio_timer * 100));
1745 qla_printk(KERN_INFO, ha,
1746 "ZIO mode %d enabled; timer delay (%d us).\n",
1747 ha->zio_mode, ha->zio_timer * 100);
1748
1749 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1750 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1751 ha->flags.process_response_queue = 1;
1752 }
1753 }
1754
1755 if (rval) {
1756 DEBUG2_3(printk(KERN_WARNING
1757 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1758 }
1759 return (rval);
1760 }
1761
1762 static void
1763 qla2x00_rport_del(void *data)
1764 {
1765 fc_port_t *fcport = data;
1766 struct fc_rport *rport;
1767 unsigned long flags;
1768
1769 spin_lock_irqsave(&fcport->rport_lock, flags);
1770 rport = fcport->drport;
1771 fcport->drport = NULL;
1772 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1773 if (rport)
1774 fc_remote_port_delete(rport);
1775 }
1776
1777 /**
1778 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1779 * @ha: HA context
1780 * @flags: allocation flags
1781 *
1782 * Returns a pointer to the allocated fcport, or NULL, if none available.
1783 */
1784 static fc_port_t *
1785 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1786 {
1787 fc_port_t *fcport;
1788
1789 fcport = kmalloc(sizeof(fc_port_t), flags);
1790 if (fcport == NULL)
1791 return (fcport);
1792
1793 /* Setup fcport template structure. */
1794 memset(fcport, 0, sizeof (fc_port_t));
1795 fcport->ha = ha;
1796 fcport->vp_idx = ha->vp_idx;
1797 fcport->port_type = FCT_UNKNOWN;
1798 fcport->loop_id = FC_NO_LOOP_ID;
1799 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1800 fcport->flags = FCF_RLC_SUPPORT;
1801 fcport->supported_classes = FC_COS_UNSPECIFIED;
1802 spin_lock_init(&fcport->rport_lock);
1803
1804 return (fcport);
1805 }
1806
1807 /*
1808 * qla2x00_configure_loop
1809 * Updates Fibre Channel Device Database with what is actually on loop.
1810 *
1811 * Input:
1812 * ha = adapter block pointer.
1813 *
1814 * Returns:
1815 * 0 = success.
1816 * 1 = error.
1817 * 2 = database was full and device was not configured.
1818 */
1819 static int
1820 qla2x00_configure_loop(scsi_qla_host_t *ha)
1821 {
1822 int rval;
1823 unsigned long flags, save_flags;
1824
1825 rval = QLA_SUCCESS;
1826
1827 /* Get Initiator ID */
1828 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1829 rval = qla2x00_configure_hba(ha);
1830 if (rval != QLA_SUCCESS) {
1831 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1832 ha->host_no));
1833 return (rval);
1834 }
1835 }
1836
1837 save_flags = flags = ha->dpc_flags;
1838 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1839 ha->host_no, flags));
1840
1841 /*
1842 * If we have both an RSCN and PORT UPDATE pending then handle them
1843 * both at the same time.
1844 */
1845 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1846 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1847
1848 /* Determine what we need to do */
1849 if (ha->current_topology == ISP_CFG_FL &&
1850 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1851
1852 ha->flags.rscn_queue_overflow = 1;
1853 set_bit(RSCN_UPDATE, &flags);
1854
1855 } else if (ha->current_topology == ISP_CFG_F &&
1856 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1857
1858 ha->flags.rscn_queue_overflow = 1;
1859 set_bit(RSCN_UPDATE, &flags);
1860 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1861
1862 } else if (ha->current_topology == ISP_CFG_N) {
1863 clear_bit(RSCN_UPDATE, &flags);
1864
1865 } else if (!ha->flags.online ||
1866 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1867
1868 ha->flags.rscn_queue_overflow = 1;
1869 set_bit(RSCN_UPDATE, &flags);
1870 set_bit(LOCAL_LOOP_UPDATE, &flags);
1871 }
1872
1873 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1874 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1875 rval = QLA_FUNCTION_FAILED;
1876 } else {
1877 rval = qla2x00_configure_local_loop(ha);
1878 }
1879 }
1880
1881 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1882 if (LOOP_TRANSITION(ha)) {
1883 rval = QLA_FUNCTION_FAILED;
1884 } else {
1885 rval = qla2x00_configure_fabric(ha);
1886 }
1887 }
1888
1889 if (rval == QLA_SUCCESS) {
1890 if (atomic_read(&ha->loop_down_timer) ||
1891 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1892 rval = QLA_FUNCTION_FAILED;
1893 } else {
1894 atomic_set(&ha->loop_state, LOOP_READY);
1895
1896 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1897 }
1898 }
1899
1900 if (rval) {
1901 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1902 __func__, ha->host_no));
1903 } else {
1904 DEBUG3(printk("%s: exiting normally\n", __func__));
1905 }
1906
1907 /* Restore state if a resync event occured during processing */
1908 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1909 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1910 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1911 if (test_bit(RSCN_UPDATE, &save_flags))
1912 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1913 }
1914
1915 return (rval);
1916 }
1917
1918
1919
1920 /*
1921 * qla2x00_configure_local_loop
1922 * Updates Fibre Channel Device Database with local loop devices.
1923 *
1924 * Input:
1925 * ha = adapter block pointer.
1926 *
1927 * Returns:
1928 * 0 = success.
1929 */
1930 static int
1931 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1932 {
1933 int rval, rval2;
1934 int found_devs;
1935 int found;
1936 fc_port_t *fcport, *new_fcport;
1937
1938 uint16_t index;
1939 uint16_t entries;
1940 char *id_iter;
1941 uint16_t loop_id;
1942 uint8_t domain, area, al_pa;
1943 scsi_qla_host_t *pha = to_qla_parent(ha);
1944
1945 found_devs = 0;
1946 new_fcport = NULL;
1947 entries = MAX_FIBRE_DEVICES;
1948
1949 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1950 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1951
1952 /* Get list of logged in devices. */
1953 memset(ha->gid_list, 0, GID_LIST_SIZE);
1954 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1955 &entries);
1956 if (rval != QLA_SUCCESS)
1957 goto cleanup_allocation;
1958
1959 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1960 ha->host_no, entries));
1961 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1962 entries * sizeof(struct gid_list_info)));
1963
1964 /* Allocate temporary fcport for any new fcports discovered. */
1965 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1966 if (new_fcport == NULL) {
1967 rval = QLA_MEMORY_ALLOC_FAILED;
1968 goto cleanup_allocation;
1969 }
1970 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1971
1972 /*
1973 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1974 */
1975 list_for_each_entry(fcport, &pha->fcports, list) {
1976 if (fcport->vp_idx != ha->vp_idx)
1977 continue;
1978
1979 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1980 fcport->port_type != FCT_BROADCAST &&
1981 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1982
1983 DEBUG(printk("scsi(%ld): Marking port lost, "
1984 "loop_id=0x%04x\n",
1985 ha->host_no, fcport->loop_id));
1986
1987 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1988 fcport->flags &= ~FCF_FARP_DONE;
1989 }
1990 }
1991
1992 /* Add devices to port list. */
1993 id_iter = (char *)ha->gid_list;
1994 for (index = 0; index < entries; index++) {
1995 domain = ((struct gid_list_info *)id_iter)->domain;
1996 area = ((struct gid_list_info *)id_iter)->area;
1997 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1998 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1999 loop_id = (uint16_t)
2000 ((struct gid_list_info *)id_iter)->loop_id_2100;
2001 else
2002 loop_id = le16_to_cpu(
2003 ((struct gid_list_info *)id_iter)->loop_id);
2004 id_iter += ha->gid_list_info_size;
2005
2006 /* Bypass reserved domain fields. */
2007 if ((domain & 0xf0) == 0xf0)
2008 continue;
2009
2010 /* Bypass if not same domain and area of adapter. */
2011 if (area && domain &&
2012 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2013 continue;
2014
2015 /* Bypass invalid local loop ID. */
2016 if (loop_id > LAST_LOCAL_LOOP_ID)
2017 continue;
2018
2019 /* Fill in member data. */
2020 new_fcport->d_id.b.domain = domain;
2021 new_fcport->d_id.b.area = area;
2022 new_fcport->d_id.b.al_pa = al_pa;
2023 new_fcport->loop_id = loop_id;
2024 new_fcport->vp_idx = ha->vp_idx;
2025 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2026 if (rval2 != QLA_SUCCESS) {
2027 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2028 "information -- get_port_database=%x, "
2029 "loop_id=0x%04x\n",
2030 ha->host_no, rval2, new_fcport->loop_id));
2031 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2032 ha->host_no));
2033 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2034 continue;
2035 }
2036
2037 /* Check for matching device in port list. */
2038 found = 0;
2039 fcport = NULL;
2040 list_for_each_entry(fcport, &pha->fcports, list) {
2041 if (fcport->vp_idx != ha->vp_idx)
2042 continue;
2043
2044 if (memcmp(new_fcport->port_name, fcport->port_name,
2045 WWN_SIZE))
2046 continue;
2047
2048 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2049 FCF_PERSISTENT_BOUND);
2050 fcport->loop_id = new_fcport->loop_id;
2051 fcport->port_type = new_fcport->port_type;
2052 fcport->d_id.b24 = new_fcport->d_id.b24;
2053 memcpy(fcport->node_name, new_fcport->node_name,
2054 WWN_SIZE);
2055
2056 found++;
2057 break;
2058 }
2059
2060 if (!found) {
2061 /* New device, add to fcports list. */
2062 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2063 if (ha->parent) {
2064 new_fcport->ha = ha;
2065 new_fcport->vp_idx = ha->vp_idx;
2066 list_add_tail(&new_fcport->vp_fcport,
2067 &ha->vp_fcports);
2068 }
2069 list_add_tail(&new_fcport->list, &pha->fcports);
2070
2071 /* Allocate a new replacement fcport. */
2072 fcport = new_fcport;
2073 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2074 if (new_fcport == NULL) {
2075 rval = QLA_MEMORY_ALLOC_FAILED;
2076 goto cleanup_allocation;
2077 }
2078 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2079 }
2080
2081 /* Base iIDMA settings on HBA port speed. */
2082 fcport->fp_speed = ha->link_data_rate;
2083
2084 qla2x00_update_fcport(ha, fcport);
2085
2086 found_devs++;
2087 }
2088
2089 cleanup_allocation:
2090 kfree(new_fcport);
2091
2092 if (rval != QLA_SUCCESS) {
2093 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2094 "rval=%x\n", ha->host_no, rval));
2095 }
2096
2097 if (found_devs) {
2098 ha->device_flags |= DFLG_LOCAL_DEVICES;
2099 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2100 }
2101
2102 return (rval);
2103 }
2104
2105 static void
2106 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2107 {
2108 fc_port_t *fcport;
2109
2110 qla2x00_mark_all_devices_lost(ha, 0);
2111 list_for_each_entry(fcport, &ha->fcports, list) {
2112 if (fcport->port_type != FCT_TARGET)
2113 continue;
2114
2115 qla2x00_update_fcport(ha, fcport);
2116 }
2117 }
2118
2119 static void
2120 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2121 {
2122 #define LS_UNKNOWN 2
2123 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2124 int rval;
2125 uint16_t mb[6];
2126
2127 if (!IS_IIDMA_CAPABLE(ha))
2128 return;
2129
2130 if (fcport->fp_speed == PORT_SPEED_UNKNOWN) {
2131 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- "
2132 "unsupported FM port operating speed.\n",
2133 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2134 fcport->port_name[2], fcport->port_name[3],
2135 fcport->port_name[4], fcport->port_name[5],
2136 fcport->port_name[6], fcport->port_name[7]));
2137 return;
2138 }
2139
2140 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2141 mb);
2142 if (rval != QLA_SUCCESS) {
2143 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2144 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2145 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2146 fcport->port_name[2], fcport->port_name[3],
2147 fcport->port_name[4], fcport->port_name[5],
2148 fcport->port_name[6], fcport->port_name[7], rval,
2149 fcport->fp_speed, mb[0], mb[1]));
2150 } else {
2151 DEBUG2(qla_printk(KERN_INFO, ha,
2152 "iIDMA adjusted to %s GB/s on "
2153 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2154 link_speeds[fcport->fp_speed], fcport->port_name[0],
2155 fcport->port_name[1], fcport->port_name[2],
2156 fcport->port_name[3], fcport->port_name[4],
2157 fcport->port_name[5], fcport->port_name[6],
2158 fcport->port_name[7]));
2159 }
2160 }
2161
2162 static void
2163 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2164 {
2165 struct fc_rport_identifiers rport_ids;
2166 struct fc_rport *rport;
2167 unsigned long flags;
2168
2169 if (fcport->drport)
2170 qla2x00_rport_del(fcport);
2171 if (fcport->rport)
2172 return;
2173
2174 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2175 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2176 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2177 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2178 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2179 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2180 if (!rport) {
2181 qla_printk(KERN_WARNING, ha,
2182 "Unable to allocate fc remote port!\n");
2183 return;
2184 }
2185 spin_lock_irqsave(&fcport->rport_lock, flags);
2186 fcport->rport = rport;
2187 *((fc_port_t **)rport->dd_data) = fcport;
2188 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2189
2190 rport->supported_classes = fcport->supported_classes;
2191
2192 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2193 if (fcport->port_type == FCT_INITIATOR)
2194 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2195 if (fcport->port_type == FCT_TARGET)
2196 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2197 fc_remote_port_rolechg(rport, rport_ids.roles);
2198
2199 if (rport->scsi_target_id != -1 &&
2200 rport->scsi_target_id < ha->host->max_id)
2201 fcport->os_target_id = rport->scsi_target_id;
2202 }
2203
2204 /*
2205 * qla2x00_update_fcport
2206 * Updates device on list.
2207 *
2208 * Input:
2209 * ha = adapter block pointer.
2210 * fcport = port structure pointer.
2211 *
2212 * Return:
2213 * 0 - Success
2214 * BIT_0 - error
2215 *
2216 * Context:
2217 * Kernel context.
2218 */
2219 void
2220 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2221 {
2222 scsi_qla_host_t *pha = to_qla_parent(ha);
2223
2224 fcport->ha = ha;
2225 fcport->login_retry = 0;
2226 fcport->port_login_retry_count = pha->port_down_retry_count *
2227 PORT_RETRY_TIME;
2228 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2229 PORT_RETRY_TIME);
2230 fcport->flags &= ~FCF_LOGIN_NEEDED;
2231
2232 qla2x00_iidma_fcport(ha, fcport);
2233
2234 atomic_set(&fcport->state, FCS_ONLINE);
2235
2236 qla2x00_reg_remote_port(ha, fcport);
2237 }
2238
2239 /*
2240 * qla2x00_configure_fabric
2241 * Setup SNS devices with loop ID's.
2242 *
2243 * Input:
2244 * ha = adapter block pointer.
2245 *
2246 * Returns:
2247 * 0 = success.
2248 * BIT_0 = error
2249 */
2250 static int
2251 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2252 {
2253 int rval, rval2;
2254 fc_port_t *fcport, *fcptemp;
2255 uint16_t next_loopid;
2256 uint16_t mb[MAILBOX_REGISTER_COUNT];
2257 uint16_t loop_id;
2258 LIST_HEAD(new_fcports);
2259 scsi_qla_host_t *pha = to_qla_parent(ha);
2260
2261 /* If FL port exists, then SNS is present */
2262 if (IS_FWI2_CAPABLE(ha))
2263 loop_id = NPH_F_PORT;
2264 else
2265 loop_id = SNS_FL_PORT;
2266 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2267 if (rval != QLA_SUCCESS) {
2268 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2269 "Port\n", ha->host_no));
2270
2271 ha->device_flags &= ~SWITCH_FOUND;
2272 return (QLA_SUCCESS);
2273 }
2274 ha->device_flags |= SWITCH_FOUND;
2275
2276 /* Mark devices that need re-synchronization. */
2277 rval2 = qla2x00_device_resync(ha);
2278 if (rval2 == QLA_RSCNS_HANDLED) {
2279 /* No point doing the scan, just continue. */
2280 return (QLA_SUCCESS);
2281 }
2282 do {
2283 /* FDMI support. */
2284 if (ql2xfdmienable &&
2285 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2286 qla2x00_fdmi_register(ha);
2287
2288 /* Ensure we are logged into the SNS. */
2289 if (IS_FWI2_CAPABLE(ha))
2290 loop_id = NPH_SNS;
2291 else
2292 loop_id = SIMPLE_NAME_SERVER;
2293 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2294 0xfc, mb, BIT_1 | BIT_0);
2295 if (mb[0] != MBS_COMMAND_COMPLETE) {
2296 DEBUG2(qla_printk(KERN_INFO, ha,
2297 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2298 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2299 mb[0], mb[1], mb[2], mb[6], mb[7]));
2300 return (QLA_SUCCESS);
2301 }
2302
2303 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2304 if (qla2x00_rft_id(ha)) {
2305 /* EMPTY */
2306 DEBUG2(printk("scsi(%ld): Register FC-4 "
2307 "TYPE failed.\n", ha->host_no));
2308 }
2309 if (qla2x00_rff_id(ha)) {
2310 /* EMPTY */
2311 DEBUG2(printk("scsi(%ld): Register FC-4 "
2312 "Features failed.\n", ha->host_no));
2313 }
2314 if (qla2x00_rnn_id(ha)) {
2315 /* EMPTY */
2316 DEBUG2(printk("scsi(%ld): Register Node Name "
2317 "failed.\n", ha->host_no));
2318 } else if (qla2x00_rsnn_nn(ha)) {
2319 /* EMPTY */
2320 DEBUG2(printk("scsi(%ld): Register Symbolic "
2321 "Node Name failed.\n", ha->host_no));
2322 }
2323 }
2324
2325 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2326 if (rval != QLA_SUCCESS)
2327 break;
2328
2329 /*
2330 * Logout all previous fabric devices marked lost, except
2331 * tape devices.
2332 */
2333 list_for_each_entry(fcport, &pha->fcports, list) {
2334 if (fcport->vp_idx !=ha->vp_idx)
2335 continue;
2336
2337 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2338 break;
2339
2340 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2341 continue;
2342
2343 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2344 qla2x00_mark_device_lost(ha, fcport,
2345 ql2xplogiabsentdevice, 0);
2346 if (fcport->loop_id != FC_NO_LOOP_ID &&
2347 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2348 fcport->port_type != FCT_INITIATOR &&
2349 fcport->port_type != FCT_BROADCAST) {
2350 ha->isp_ops->fabric_logout(ha,
2351 fcport->loop_id,
2352 fcport->d_id.b.domain,
2353 fcport->d_id.b.area,
2354 fcport->d_id.b.al_pa);
2355 fcport->loop_id = FC_NO_LOOP_ID;
2356 }
2357 }
2358 }
2359
2360 /* Starting free loop ID. */
2361 next_loopid = pha->min_external_loopid;
2362
2363 /*
2364 * Scan through our port list and login entries that need to be
2365 * logged in.
2366 */
2367 list_for_each_entry(fcport, &pha->fcports, list) {
2368 if (fcport->vp_idx != ha->vp_idx)
2369 continue;
2370
2371 if (atomic_read(&ha->loop_down_timer) ||
2372 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2373 break;
2374
2375 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2376 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2377 continue;
2378
2379 if (fcport->loop_id == FC_NO_LOOP_ID) {
2380 fcport->loop_id = next_loopid;
2381 rval = qla2x00_find_new_loop_id(ha, fcport);
2382 if (rval != QLA_SUCCESS) {
2383 /* Ran out of IDs to use */
2384 break;
2385 }
2386 }
2387 /* Login and update database */
2388 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2389 }
2390
2391 /* Exit if out of loop IDs. */
2392 if (rval != QLA_SUCCESS) {
2393 break;
2394 }
2395
2396 /*
2397 * Login and add the new devices to our port list.
2398 */
2399 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2400 if (atomic_read(&ha->loop_down_timer) ||
2401 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2402 break;
2403
2404 /* Find a new loop ID to use. */
2405 fcport->loop_id = next_loopid;
2406 rval = qla2x00_find_new_loop_id(ha, fcport);
2407 if (rval != QLA_SUCCESS) {
2408 /* Ran out of IDs to use */
2409 break;
2410 }
2411
2412 /* Login and update database */
2413 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2414
2415 if (ha->parent) {
2416 fcport->ha = ha;
2417 fcport->vp_idx = ha->vp_idx;
2418 list_add_tail(&fcport->vp_fcport,
2419 &ha->vp_fcports);
2420 list_move_tail(&fcport->list,
2421 &ha->parent->fcports);
2422 } else
2423 list_move_tail(&fcport->list, &ha->fcports);
2424 }
2425 } while (0);
2426
2427 /* Free all new device structures not processed. */
2428 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2429 list_del(&fcport->list);
2430 kfree(fcport);
2431 }
2432
2433 if (rval) {
2434 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2435 "rval=%d\n", ha->host_no, rval));
2436 }
2437
2438 return (rval);
2439 }
2440
2441
2442 /*
2443 * qla2x00_find_all_fabric_devs
2444 *
2445 * Input:
2446 * ha = adapter block pointer.
2447 * dev = database device entry pointer.
2448 *
2449 * Returns:
2450 * 0 = success.
2451 *
2452 * Context:
2453 * Kernel context.
2454 */
2455 static int
2456 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2457 {
2458 int rval;
2459 uint16_t loop_id;
2460 fc_port_t *fcport, *new_fcport, *fcptemp;
2461 int found;
2462
2463 sw_info_t *swl;
2464 int swl_idx;
2465 int first_dev, last_dev;
2466 port_id_t wrap, nxt_d_id;
2467 int vp_index;
2468 int empty_vp_index;
2469 int found_vp;
2470 scsi_qla_host_t *vha;
2471 scsi_qla_host_t *pha = to_qla_parent(ha);
2472
2473 rval = QLA_SUCCESS;
2474
2475 /* Try GID_PT to get device list, else GAN. */
2476 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2477 if (swl == NULL) {
2478 /*EMPTY*/
2479 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2480 "on GA_NXT\n", ha->host_no));
2481 } else {
2482 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2483 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2484 kfree(swl);
2485 swl = NULL;
2486 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2487 kfree(swl);
2488 swl = NULL;
2489 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2490 kfree(swl);
2491 swl = NULL;
2492 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2493 qla2x00_gpsc(ha, swl);
2494 }
2495 }
2496 swl_idx = 0;
2497
2498 /* Allocate temporary fcport for any new fcports discovered. */
2499 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2500 if (new_fcport == NULL) {
2501 kfree(swl);
2502 return (QLA_MEMORY_ALLOC_FAILED);
2503 }
2504 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2505 new_fcport->vp_idx = ha->vp_idx;
2506 /* Set start port ID scan at adapter ID. */
2507 first_dev = 1;
2508 last_dev = 0;
2509
2510 /* Starting free loop ID. */
2511 loop_id = pha->min_external_loopid;
2512 for (; loop_id <= ha->last_loop_id; loop_id++) {
2513 if (qla2x00_is_reserved_id(ha, loop_id))
2514 continue;
2515
2516 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2517 break;
2518
2519 if (swl != NULL) {
2520 if (last_dev) {
2521 wrap.b24 = new_fcport->d_id.b24;
2522 } else {
2523 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2524 memcpy(new_fcport->node_name,
2525 swl[swl_idx].node_name, WWN_SIZE);
2526 memcpy(new_fcport->port_name,
2527 swl[swl_idx].port_name, WWN_SIZE);
2528 memcpy(new_fcport->fabric_port_name,
2529 swl[swl_idx].fabric_port_name, WWN_SIZE);
2530 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2531
2532 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2533 last_dev = 1;
2534 }
2535 swl_idx++;
2536 }
2537 } else {
2538 /* Send GA_NXT to the switch */
2539 rval = qla2x00_ga_nxt(ha, new_fcport);
2540 if (rval != QLA_SUCCESS) {
2541 qla_printk(KERN_WARNING, ha,
2542 "SNS scan failed -- assuming zero-entry "
2543 "result...\n");
2544 list_for_each_entry_safe(fcport, fcptemp,
2545 new_fcports, list) {
2546 list_del(&fcport->list);
2547 kfree(fcport);
2548 }
2549 rval = QLA_SUCCESS;
2550 break;
2551 }
2552 }
2553
2554 /* If wrap on switch device list, exit. */
2555 if (first_dev) {
2556 wrap.b24 = new_fcport->d_id.b24;
2557 first_dev = 0;
2558 } else if (new_fcport->d_id.b24 == wrap.b24) {
2559 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2560 ha->host_no, new_fcport->d_id.b.domain,
2561 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2562 break;
2563 }
2564
2565 /* Bypass if same physical adapter. */
2566 if (new_fcport->d_id.b24 == pha->d_id.b24)
2567 continue;
2568
2569 /* Bypass virtual ports of the same host. */
2570 if (pha->num_vhosts) {
2571 vp_index = find_next_bit(
2572 (unsigned long *)pha->vp_idx_map,
2573 MAX_MULTI_ID_FABRIC + 1, 1);
2574
2575 for (;vp_index <= MAX_MULTI_ID_FABRIC;
2576 vp_index = find_next_bit(
2577 (unsigned long *)pha->vp_idx_map,
2578 MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) {
2579 empty_vp_index = 1;
2580 found_vp = 0;
2581 list_for_each_entry(vha, &pha->vp_list,
2582 vp_list) {
2583 if (vp_index == vha->vp_idx) {
2584 empty_vp_index = 0;
2585 found_vp = 1;
2586 break;
2587 }
2588 }
2589
2590 if (empty_vp_index)
2591 continue;
2592
2593 if (found_vp &&
2594 new_fcport->d_id.b24 == vha->d_id.b24)
2595 break;
2596 }
2597 if (vp_index <= MAX_MULTI_ID_FABRIC)
2598 continue;
2599 }
2600
2601 /* Bypass if same domain and area of adapter. */
2602 if (((new_fcport->d_id.b24 & 0xffff00) ==
2603 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2604 ISP_CFG_FL)
2605 continue;
2606
2607 /* Bypass reserved domain fields. */
2608 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2609 continue;
2610
2611 /* Locate matching device in database. */
2612 found = 0;
2613 list_for_each_entry(fcport, &pha->fcports, list) {
2614 if (new_fcport->vp_idx != fcport->vp_idx)
2615 continue;
2616 if (memcmp(new_fcport->port_name, fcport->port_name,
2617 WWN_SIZE))
2618 continue;
2619
2620 found++;
2621
2622 /* Update port state. */
2623 memcpy(fcport->fabric_port_name,
2624 new_fcport->fabric_port_name, WWN_SIZE);
2625 fcport->fp_speed = new_fcport->fp_speed;
2626
2627 /*
2628 * If address the same and state FCS_ONLINE, nothing
2629 * changed.
2630 */
2631 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2632 atomic_read(&fcport->state) == FCS_ONLINE) {
2633 break;
2634 }
2635
2636 /*
2637 * If device was not a fabric device before.
2638 */
2639 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2640 fcport->d_id.b24 = new_fcport->d_id.b24;
2641 fcport->loop_id = FC_NO_LOOP_ID;
2642 fcport->flags |= (FCF_FABRIC_DEVICE |
2643 FCF_LOGIN_NEEDED);
2644 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2645 break;
2646 }
2647
2648 /*
2649 * Port ID changed or device was marked to be updated;
2650 * Log it out if still logged in and mark it for
2651 * relogin later.
2652 */
2653 fcport->d_id.b24 = new_fcport->d_id.b24;
2654 fcport->flags |= FCF_LOGIN_NEEDED;
2655 if (fcport->loop_id != FC_NO_LOOP_ID &&
2656 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2657 fcport->port_type != FCT_INITIATOR &&
2658 fcport->port_type != FCT_BROADCAST) {
2659 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2660 fcport->d_id.b.domain, fcport->d_id.b.area,
2661 fcport->d_id.b.al_pa);
2662 fcport->loop_id = FC_NO_LOOP_ID;
2663 }
2664
2665 break;
2666 }
2667
2668 if (found)
2669 continue;
2670
2671 /* If device was not in our fcports list, then add it. */
2672 list_add_tail(&new_fcport->list, new_fcports);
2673
2674 /* Allocate a new replacement fcport. */
2675 nxt_d_id.b24 = new_fcport->d_id.b24;
2676 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2677 if (new_fcport == NULL) {
2678 kfree(swl);
2679 return (QLA_MEMORY_ALLOC_FAILED);
2680 }
2681 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2682 new_fcport->d_id.b24 = nxt_d_id.b24;
2683 new_fcport->vp_idx = ha->vp_idx;
2684 }
2685
2686 kfree(swl);
2687 kfree(new_fcport);
2688
2689 if (!list_empty(new_fcports))
2690 ha->device_flags |= DFLG_FABRIC_DEVICES;
2691
2692 return (rval);
2693 }
2694
2695 /*
2696 * qla2x00_find_new_loop_id
2697 * Scan through our port list and find a new usable loop ID.
2698 *
2699 * Input:
2700 * ha: adapter state pointer.
2701 * dev: port structure pointer.
2702 *
2703 * Returns:
2704 * qla2x00 local function return status code.
2705 *
2706 * Context:
2707 * Kernel context.
2708 */
2709 static int
2710 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2711 {
2712 int rval;
2713 int found;
2714 fc_port_t *fcport;
2715 uint16_t first_loop_id;
2716 scsi_qla_host_t *pha = to_qla_parent(ha);
2717
2718 rval = QLA_SUCCESS;
2719
2720 /* Save starting loop ID. */
2721 first_loop_id = dev->loop_id;
2722
2723 for (;;) {
2724 /* Skip loop ID if already used by adapter. */
2725 if (dev->loop_id == ha->loop_id) {
2726 dev->loop_id++;
2727 }
2728
2729 /* Skip reserved loop IDs. */
2730 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2731 dev->loop_id++;
2732 }
2733
2734 /* Reset loop ID if passed the end. */
2735 if (dev->loop_id > ha->last_loop_id) {
2736 /* first loop ID. */
2737 dev->loop_id = ha->min_external_loopid;
2738 }
2739
2740 /* Check for loop ID being already in use. */
2741 found = 0;
2742 fcport = NULL;
2743 list_for_each_entry(fcport, &pha->fcports, list) {
2744 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2745 /* ID possibly in use */
2746 found++;
2747 break;
2748 }
2749 }
2750
2751 /* If not in use then it is free to use. */
2752 if (!found) {
2753 break;
2754 }
2755
2756 /* ID in use. Try next value. */
2757 dev->loop_id++;
2758
2759 /* If wrap around. No free ID to use. */
2760 if (dev->loop_id == first_loop_id) {
2761 dev->loop_id = FC_NO_LOOP_ID;
2762 rval = QLA_FUNCTION_FAILED;
2763 break;
2764 }
2765 }
2766
2767 return (rval);
2768 }
2769
2770 /*
2771 * qla2x00_device_resync
2772 * Marks devices in the database that needs resynchronization.
2773 *
2774 * Input:
2775 * ha = adapter block pointer.
2776 *
2777 * Context:
2778 * Kernel context.
2779 */
2780 static int
2781 qla2x00_device_resync(scsi_qla_host_t *ha)
2782 {
2783 int rval;
2784 uint32_t mask;
2785 fc_port_t *fcport;
2786 uint32_t rscn_entry;
2787 uint8_t rscn_out_iter;
2788 uint8_t format;
2789 port_id_t d_id;
2790 scsi_qla_host_t *pha = to_qla_parent(ha);
2791
2792 rval = QLA_RSCNS_HANDLED;
2793
2794 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2795 ha->flags.rscn_queue_overflow) {
2796
2797 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2798 format = MSB(MSW(rscn_entry));
2799 d_id.b.domain = LSB(MSW(rscn_entry));
2800 d_id.b.area = MSB(LSW(rscn_entry));
2801 d_id.b.al_pa = LSB(LSW(rscn_entry));
2802
2803 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2804 "[%02x/%02x%02x%02x].\n",
2805 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2806 d_id.b.area, d_id.b.al_pa));
2807
2808 ha->rscn_out_ptr++;
2809 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2810 ha->rscn_out_ptr = 0;
2811
2812 /* Skip duplicate entries. */
2813 for (rscn_out_iter = ha->rscn_out_ptr;
2814 !ha->flags.rscn_queue_overflow &&
2815 rscn_out_iter != ha->rscn_in_ptr;
2816 rscn_out_iter = (rscn_out_iter ==
2817 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2818
2819 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2820 break;
2821
2822 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2823 "entry found at [%d].\n", ha->host_no,
2824 rscn_out_iter));
2825
2826 ha->rscn_out_ptr = rscn_out_iter;
2827 }
2828
2829 /* Queue overflow, set switch default case. */
2830 if (ha->flags.rscn_queue_overflow) {
2831 DEBUG(printk("scsi(%ld): device_resync: rscn "
2832 "overflow.\n", ha->host_no));
2833
2834 format = 3;
2835 ha->flags.rscn_queue_overflow = 0;
2836 }
2837
2838 switch (format) {
2839 case 0:
2840 mask = 0xffffff;
2841 break;
2842 case 1:
2843 mask = 0xffff00;
2844 break;
2845 case 2:
2846 mask = 0xff0000;
2847 break;
2848 default:
2849 mask = 0x0;
2850 d_id.b24 = 0;
2851 ha->rscn_out_ptr = ha->rscn_in_ptr;
2852 break;
2853 }
2854
2855 rval = QLA_SUCCESS;
2856
2857 list_for_each_entry(fcport, &pha->fcports, list) {
2858 if (fcport->vp_idx != ha->vp_idx)
2859 continue;
2860
2861 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2862 (fcport->d_id.b24 & mask) != d_id.b24 ||
2863 fcport->port_type == FCT_BROADCAST)
2864 continue;
2865
2866 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2867 if (format != 3 ||
2868 fcport->port_type != FCT_INITIATOR) {
2869 qla2x00_mark_device_lost(ha, fcport,
2870 0, 0);
2871 }
2872 }
2873 fcport->flags &= ~FCF_FARP_DONE;
2874 }
2875 }
2876 return (rval);
2877 }
2878
2879 /*
2880 * qla2x00_fabric_dev_login
2881 * Login fabric target device and update FC port database.
2882 *
2883 * Input:
2884 * ha: adapter state pointer.
2885 * fcport: port structure list pointer.
2886 * next_loopid: contains value of a new loop ID that can be used
2887 * by the next login attempt.
2888 *
2889 * Returns:
2890 * qla2x00 local function return status code.
2891 *
2892 * Context:
2893 * Kernel context.
2894 */
2895 static int
2896 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2897 uint16_t *next_loopid)
2898 {
2899 int rval;
2900 int retry;
2901 uint8_t opts;
2902
2903 rval = QLA_SUCCESS;
2904 retry = 0;
2905
2906 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2907 if (rval == QLA_SUCCESS) {
2908 /* Send an ADISC to tape devices.*/
2909 opts = 0;
2910 if (fcport->flags & FCF_TAPE_PRESENT)
2911 opts |= BIT_1;
2912 rval = qla2x00_get_port_database(ha, fcport, opts);
2913 if (rval != QLA_SUCCESS) {
2914 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2915 fcport->d_id.b.domain, fcport->d_id.b.area,
2916 fcport->d_id.b.al_pa);
2917 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2918 } else {
2919 qla2x00_update_fcport(ha, fcport);
2920 }
2921 }
2922
2923 return (rval);
2924 }
2925
2926 /*
2927 * qla2x00_fabric_login
2928 * Issue fabric login command.
2929 *
2930 * Input:
2931 * ha = adapter block pointer.
2932 * device = pointer to FC device type structure.
2933 *
2934 * Returns:
2935 * 0 - Login successfully
2936 * 1 - Login failed
2937 * 2 - Initiator device
2938 * 3 - Fatal error
2939 */
2940 int
2941 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2942 uint16_t *next_loopid)
2943 {
2944 int rval;
2945 int retry;
2946 uint16_t tmp_loopid;
2947 uint16_t mb[MAILBOX_REGISTER_COUNT];
2948
2949 retry = 0;
2950 tmp_loopid = 0;
2951
2952 for (;;) {
2953 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2954 "for port %02x%02x%02x.\n",
2955 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2956 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2957
2958 /* Login fcport on switch. */
2959 ha->isp_ops->fabric_login(ha, fcport->loop_id,
2960 fcport->d_id.b.domain, fcport->d_id.b.area,
2961 fcport->d_id.b.al_pa, mb, BIT_0);
2962 if (mb[0] == MBS_PORT_ID_USED) {
2963 /*
2964 * Device has another loop ID. The firmware team
2965 * recommends the driver perform an implicit login with
2966 * the specified ID again. The ID we just used is save
2967 * here so we return with an ID that can be tried by
2968 * the next login.
2969 */
2970 retry++;
2971 tmp_loopid = fcport->loop_id;
2972 fcport->loop_id = mb[1];
2973
2974 DEBUG(printk("Fabric Login: port in use - next "
2975 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2976 fcport->loop_id, fcport->d_id.b.domain,
2977 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2978
2979 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2980 /*
2981 * Login succeeded.
2982 */
2983 if (retry) {
2984 /* A retry occurred before. */
2985 *next_loopid = tmp_loopid;
2986 } else {
2987 /*
2988 * No retry occurred before. Just increment the
2989 * ID value for next login.
2990 */
2991 *next_loopid = (fcport->loop_id + 1);
2992 }
2993
2994 if (mb[1] & BIT_0) {
2995 fcport->port_type = FCT_INITIATOR;
2996 } else {
2997 fcport->port_type = FCT_TARGET;
2998 if (mb[1] & BIT_1) {
2999 fcport->flags |= FCF_TAPE_PRESENT;
3000 }
3001 }
3002
3003 if (mb[10] & BIT_0)
3004 fcport->supported_classes |= FC_COS_CLASS2;
3005 if (mb[10] & BIT_1)
3006 fcport->supported_classes |= FC_COS_CLASS3;
3007
3008 rval = QLA_SUCCESS;
3009 break;
3010 } else if (mb[0] == MBS_LOOP_ID_USED) {
3011 /*
3012 * Loop ID already used, try next loop ID.
3013 */
3014 fcport->loop_id++;
3015 rval = qla2x00_find_new_loop_id(ha, fcport);
3016 if (rval != QLA_SUCCESS) {
3017 /* Ran out of loop IDs to use */
3018 break;
3019 }
3020 } else if (mb[0] == MBS_COMMAND_ERROR) {
3021 /*
3022 * Firmware possibly timed out during login. If NO
3023 * retries are left to do then the device is declared
3024 * dead.
3025 */
3026 *next_loopid = fcport->loop_id;
3027 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3028 fcport->d_id.b.domain, fcport->d_id.b.area,
3029 fcport->d_id.b.al_pa);
3030 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3031
3032 rval = 1;
3033 break;
3034 } else {
3035 /*
3036 * unrecoverable / not handled error
3037 */
3038 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3039 "loop_id=%x jiffies=%lx.\n",
3040 __func__, ha->host_no, mb[0],
3041 fcport->d_id.b.domain, fcport->d_id.b.area,
3042 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3043
3044 *next_loopid = fcport->loop_id;
3045 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3046 fcport->d_id.b.domain, fcport->d_id.b.area,
3047 fcport->d_id.b.al_pa);
3048 fcport->loop_id = FC_NO_LOOP_ID;
3049 fcport->login_retry = 0;
3050
3051 rval = 3;
3052 break;
3053 }
3054 }
3055
3056 return (rval);
3057 }
3058
3059 /*
3060 * qla2x00_local_device_login
3061 * Issue local device login command.
3062 *
3063 * Input:
3064 * ha = adapter block pointer.
3065 * loop_id = loop id of device to login to.
3066 *
3067 * Returns (Where's the #define!!!!):
3068 * 0 - Login successfully
3069 * 1 - Login failed
3070 * 3 - Fatal error
3071 */
3072 int
3073 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3074 {
3075 int rval;
3076 uint16_t mb[MAILBOX_REGISTER_COUNT];
3077
3078 memset(mb, 0, sizeof(mb));
3079 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3080 if (rval == QLA_SUCCESS) {
3081 /* Interrogate mailbox registers for any errors */
3082 if (mb[0] == MBS_COMMAND_ERROR)
3083 rval = 1;
3084 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3085 /* device not in PCB table */
3086 rval = 3;
3087 }
3088
3089 return (rval);
3090 }
3091
3092 /*
3093 * qla2x00_loop_resync
3094 * Resync with fibre channel devices.
3095 *
3096 * Input:
3097 * ha = adapter block pointer.
3098 *
3099 * Returns:
3100 * 0 = success
3101 */
3102 int
3103 qla2x00_loop_resync(scsi_qla_host_t *ha)
3104 {
3105 int rval;
3106 uint32_t wait_time;
3107
3108 rval = QLA_SUCCESS;
3109
3110 atomic_set(&ha->loop_state, LOOP_UPDATE);
3111 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3112 if (ha->flags.online) {
3113 if (!(rval = qla2x00_fw_ready(ha))) {
3114 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3115 wait_time = 256;
3116 do {
3117 atomic_set(&ha->loop_state, LOOP_UPDATE);
3118
3119 /* Issue a marker after FW becomes ready. */
3120 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3121 ha->marker_needed = 0;
3122
3123 /* Remap devices on Loop. */
3124 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3125
3126 qla2x00_configure_loop(ha);
3127 wait_time--;
3128 } while (!atomic_read(&ha->loop_down_timer) &&
3129 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3130 wait_time &&
3131 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3132 }
3133 }
3134
3135 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3136 return (QLA_FUNCTION_FAILED);
3137 }
3138
3139 if (rval) {
3140 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3141 }
3142
3143 return (rval);
3144 }
3145
3146 void
3147 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3148 {
3149 int rescan_done;
3150 fc_port_t *fcport;
3151
3152 rescan_done = 0;
3153 list_for_each_entry(fcport, &ha->fcports, list) {
3154 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3155 continue;
3156
3157 qla2x00_update_fcport(ha, fcport);
3158 fcport->flags &= ~FCF_RESCAN_NEEDED;
3159
3160 rescan_done = 1;
3161 }
3162 qla2x00_probe_for_all_luns(ha);
3163 }
3164
3165 void
3166 qla2x00_update_fcports(scsi_qla_host_t *ha)
3167 {
3168 fc_port_t *fcport;
3169
3170 /* Go with deferred removal of rport references. */
3171 list_for_each_entry(fcport, &ha->fcports, list)
3172 if (fcport->drport)
3173 qla2x00_rport_del(fcport);
3174 }
3175
3176 /*
3177 * qla2x00_abort_isp
3178 * Resets ISP and aborts all outstanding commands.
3179 *
3180 * Input:
3181 * ha = adapter block pointer.
3182 *
3183 * Returns:
3184 * 0 = success
3185 */
3186 int
3187 qla2x00_abort_isp(scsi_qla_host_t *ha)
3188 {
3189 int rval;
3190 unsigned long flags = 0;
3191 uint16_t cnt;
3192 srb_t *sp;
3193 uint8_t status = 0;
3194
3195 if (ha->flags.online) {
3196 ha->flags.online = 0;
3197 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3198
3199 qla_printk(KERN_INFO, ha,
3200 "Performing ISP error recovery - ha= %p.\n", ha);
3201 ha->isp_ops->reset_chip(ha);
3202
3203 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3204 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3205 atomic_set(&ha->loop_state, LOOP_DOWN);
3206 qla2x00_mark_all_devices_lost(ha, 0);
3207 } else {
3208 if (!atomic_read(&ha->loop_down_timer))
3209 atomic_set(&ha->loop_down_timer,
3210 LOOP_DOWN_TIME);
3211 }
3212
3213 spin_lock_irqsave(&ha->hardware_lock, flags);
3214 /* Requeue all commands in outstanding command list. */
3215 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3216 sp = ha->outstanding_cmds[cnt];
3217 if (sp) {
3218 ha->outstanding_cmds[cnt] = NULL;
3219 sp->flags = 0;
3220 sp->cmd->result = DID_RESET << 16;
3221 sp->cmd->host_scribble = (unsigned char *)NULL;
3222 qla2x00_sp_compl(ha, sp);
3223 }
3224 }
3225 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3226
3227 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3228
3229 ha->isp_ops->nvram_config(ha);
3230
3231 if (!qla2x00_restart_isp(ha)) {
3232 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3233
3234 if (!atomic_read(&ha->loop_down_timer)) {
3235 /*
3236 * Issue marker command only when we are going
3237 * to start the I/O .
3238 */
3239 ha->marker_needed = 1;
3240 }
3241
3242 ha->flags.online = 1;
3243
3244 ha->isp_ops->enable_intrs(ha);
3245
3246 ha->isp_abort_cnt = 0;
3247 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3248
3249 if (ha->eft) {
3250 rval = qla2x00_trace_control(ha, TC_ENABLE,
3251 ha->eft_dma, EFT_NUM_BUFFERS);
3252 if (rval) {
3253 qla_printk(KERN_WARNING, ha,
3254 "Unable to reinitialize EFT "
3255 "(%d).\n", rval);
3256 }
3257 }
3258 } else { /* failed the ISP abort */
3259 ha->flags.online = 1;
3260 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3261 if (ha->isp_abort_cnt == 0) {
3262 qla_printk(KERN_WARNING, ha,
3263 "ISP error recovery failed - "
3264 "board disabled\n");
3265 /*
3266 * The next call disables the board
3267 * completely.
3268 */
3269 ha->isp_ops->reset_adapter(ha);
3270 ha->flags.online = 0;
3271 clear_bit(ISP_ABORT_RETRY,
3272 &ha->dpc_flags);
3273 status = 0;
3274 } else { /* schedule another ISP abort */
3275 ha->isp_abort_cnt--;
3276 DEBUG(printk("qla%ld: ISP abort - "
3277 "retry remaining %d\n",
3278 ha->host_no, ha->isp_abort_cnt));
3279 status = 1;
3280 }
3281 } else {
3282 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3283 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3284 "- retrying (%d) more times\n",
3285 ha->host_no, ha->isp_abort_cnt));
3286 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3287 status = 1;
3288 }
3289 }
3290
3291 }
3292
3293 if (status) {
3294 qla_printk(KERN_INFO, ha,
3295 "qla2x00_abort_isp: **** FAILED ****\n");
3296 } else {
3297 DEBUG(printk(KERN_INFO
3298 "qla2x00_abort_isp(%ld): exiting.\n",
3299 ha->host_no));
3300 }
3301
3302 return(status);
3303 }
3304
3305 /*
3306 * qla2x00_restart_isp
3307 * restarts the ISP after a reset
3308 *
3309 * Input:
3310 * ha = adapter block pointer.
3311 *
3312 * Returns:
3313 * 0 = success
3314 */
3315 static int
3316 qla2x00_restart_isp(scsi_qla_host_t *ha)
3317 {
3318 uint8_t status = 0;
3319 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3320 unsigned long flags = 0;
3321 uint32_t wait_time;
3322
3323 /* If firmware needs to be loaded */
3324 if (qla2x00_isp_firmware(ha)) {
3325 ha->flags.online = 0;
3326 if (!(status = ha->isp_ops->chip_diag(ha))) {
3327 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3328 status = qla2x00_setup_chip(ha);
3329 goto done;
3330 }
3331
3332 spin_lock_irqsave(&ha->hardware_lock, flags);
3333
3334 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3335 !IS_QLA25XX(ha)) {
3336 /*
3337 * Disable SRAM, Instruction RAM and GP RAM
3338 * parity.
3339 */
3340 WRT_REG_WORD(&reg->hccr,
3341 (HCCR_ENABLE_PARITY + 0x0));
3342 RD_REG_WORD(&reg->hccr);
3343 }
3344
3345 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3346
3347 status = qla2x00_setup_chip(ha);
3348
3349 spin_lock_irqsave(&ha->hardware_lock, flags);
3350
3351 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3352 !IS_QLA25XX(ha)) {
3353 /* Enable proper parity */
3354 if (IS_QLA2300(ha))
3355 /* SRAM parity */
3356 WRT_REG_WORD(&reg->hccr,
3357 (HCCR_ENABLE_PARITY + 0x1));
3358 else
3359 /*
3360 * SRAM, Instruction RAM and GP RAM
3361 * parity.
3362 */
3363 WRT_REG_WORD(&reg->hccr,
3364 (HCCR_ENABLE_PARITY + 0x7));
3365 RD_REG_WORD(&reg->hccr);
3366 }
3367
3368 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3369 }
3370 }
3371
3372 done:
3373 if (!status && !(status = qla2x00_init_rings(ha))) {
3374 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3375 if (!(status = qla2x00_fw_ready(ha))) {
3376 DEBUG(printk("%s(): Start configure loop, "
3377 "status = %d\n", __func__, status));
3378
3379 /* Issue a marker after FW becomes ready. */
3380 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3381
3382 ha->flags.online = 1;
3383 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3384 wait_time = 256;
3385 do {
3386 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3387 qla2x00_configure_loop(ha);
3388 wait_time--;
3389 } while (!atomic_read(&ha->loop_down_timer) &&
3390 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3391 wait_time &&
3392 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3393 }
3394
3395 /* if no cable then assume it's good */
3396 if ((ha->device_flags & DFLG_NO_CABLE))
3397 status = 0;
3398
3399 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3400 __func__,
3401 status));
3402 }
3403 return (status);
3404 }
3405
3406 /*
3407 * qla2x00_reset_adapter
3408 * Reset adapter.
3409 *
3410 * Input:
3411 * ha = adapter block pointer.
3412 */
3413 void
3414 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3415 {
3416 unsigned long flags = 0;
3417 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3418
3419 ha->flags.online = 0;
3420 ha->isp_ops->disable_intrs(ha);
3421
3422 spin_lock_irqsave(&ha->hardware_lock, flags);
3423 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3424 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3425 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3426 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3427 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3428 }
3429
3430 void
3431 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3432 {
3433 unsigned long flags = 0;
3434 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3435
3436 ha->flags.online = 0;
3437 ha->isp_ops->disable_intrs(ha);
3438
3439 spin_lock_irqsave(&ha->hardware_lock, flags);
3440 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3441 RD_REG_DWORD(&reg->hccr);
3442 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3443 RD_REG_DWORD(&reg->hccr);
3444 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3445 }
3446
3447 /* On sparc systems, obtain port and node WWN from firmware
3448 * properties.
3449 */
3450 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3451 {
3452 #ifdef CONFIG_SPARC
3453 struct pci_dev *pdev = ha->pdev;
3454 struct device_node *dp = pci_device_to_OF_node(pdev);
3455 const u8 *val;
3456 int len;
3457
3458 val = of_get_property(dp, "port-wwn", &len);
3459 if (val && len >= WWN_SIZE)
3460 memcpy(nv->port_name, val, WWN_SIZE);
3461
3462 val = of_get_property(dp, "node-wwn", &len);
3463 if (val && len >= WWN_SIZE)
3464 memcpy(nv->node_name, val, WWN_SIZE);
3465 #endif
3466 }
3467
3468 int
3469 qla24xx_nvram_config(scsi_qla_host_t *ha)
3470 {
3471 int rval;
3472 struct init_cb_24xx *icb;
3473 struct nvram_24xx *nv;
3474 uint32_t *dptr;
3475 uint8_t *dptr1, *dptr2;
3476 uint32_t chksum;
3477 uint16_t cnt;
3478
3479 rval = QLA_SUCCESS;
3480 icb = (struct init_cb_24xx *)ha->init_cb;
3481 nv = ha->nvram;
3482
3483 /* Determine NVRAM starting address. */
3484 ha->nvram_size = sizeof(struct nvram_24xx);
3485 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3486 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3487 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3488 if (PCI_FUNC(ha->pdev->devfn)) {
3489 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3490 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3491 }
3492
3493 /* Get VPD data into cache */
3494 ha->vpd = ha->nvram + VPD_OFFSET;
3495 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3496 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3497
3498 /* Get NVRAM data into cache and calculate checksum. */
3499 dptr = (uint32_t *)nv;
3500 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3501 ha->nvram_size);
3502 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3503 chksum += le32_to_cpu(*dptr++);
3504
3505 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3506 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3507
3508 /* Bad NVRAM data, set defaults parameters. */
3509 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3510 || nv->id[3] != ' ' ||
3511 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3512 /* Reset NVRAM data. */
3513 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3514 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3515 le16_to_cpu(nv->nvram_version));
3516 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3517 "invalid -- WWPN) defaults.\n");
3518
3519 /*
3520 * Set default initialization control block.
3521 */
3522 memset(nv, 0, ha->nvram_size);
3523 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3524 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3525 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3526 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3527 nv->exchange_count = __constant_cpu_to_le16(0);
3528 nv->hard_address = __constant_cpu_to_le16(124);
3529 nv->port_name[0] = 0x21;
3530 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3531 nv->port_name[2] = 0x00;
3532 nv->port_name[3] = 0xe0;
3533 nv->port_name[4] = 0x8b;
3534 nv->port_name[5] = 0x1c;
3535 nv->port_name[6] = 0x55;
3536 nv->port_name[7] = 0x86;
3537 nv->node_name[0] = 0x20;
3538 nv->node_name[1] = 0x00;
3539 nv->node_name[2] = 0x00;
3540 nv->node_name[3] = 0xe0;
3541 nv->node_name[4] = 0x8b;
3542 nv->node_name[5] = 0x1c;
3543 nv->node_name[6] = 0x55;
3544 nv->node_name[7] = 0x86;
3545 qla24xx_nvram_wwn_from_ofw(ha, nv);
3546 nv->login_retry_count = __constant_cpu_to_le16(8);
3547 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3548 nv->login_timeout = __constant_cpu_to_le16(0);
3549 nv->firmware_options_1 =
3550 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3551 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3552 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3553 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3554 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3555 nv->efi_parameters = __constant_cpu_to_le32(0);
3556 nv->reset_delay = 5;
3557 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3558 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3559 nv->link_down_timeout = __constant_cpu_to_le16(30);
3560
3561 rval = 1;
3562 }
3563
3564 /* Reset Initialization control block */
3565 memset(icb, 0, sizeof(struct init_cb_24xx));
3566
3567 /* Copy 1st segment. */
3568 dptr1 = (uint8_t *)icb;
3569 dptr2 = (uint8_t *)&nv->version;
3570 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3571 while (cnt--)
3572 *dptr1++ = *dptr2++;
3573
3574 icb->login_retry_count = nv->login_retry_count;
3575 icb->link_down_on_nos = nv->link_down_on_nos;
3576
3577 /* Copy 2nd segment. */
3578 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3579 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3580 cnt = (uint8_t *)&icb->reserved_3 -
3581 (uint8_t *)&icb->interrupt_delay_timer;
3582 while (cnt--)
3583 *dptr1++ = *dptr2++;
3584
3585 /*
3586 * Setup driver NVRAM options.
3587 */
3588 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3589 "QLA2462");
3590
3591 /* Use alternate WWN? */
3592 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3593 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3594 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3595 }
3596
3597 /* Prepare nodename */
3598 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3599 /*
3600 * Firmware will apply the following mask if the nodename was
3601 * not provided.
3602 */
3603 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3604 icb->node_name[0] &= 0xF0;
3605 }
3606
3607 /* Set host adapter parameters. */
3608 ha->flags.disable_risc_code_load = 0;
3609 ha->flags.enable_lip_reset = 0;
3610 ha->flags.enable_lip_full_login =
3611 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3612 ha->flags.enable_target_reset =
3613 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3614 ha->flags.enable_led_scheme = 0;
3615 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3616
3617 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3618 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3619
3620 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3621 sizeof(ha->fw_seriallink_options24));
3622
3623 /* save HBA serial number */
3624 ha->serial0 = icb->port_name[5];
3625 ha->serial1 = icb->port_name[6];
3626 ha->serial2 = icb->port_name[7];
3627 ha->node_name = icb->node_name;
3628 ha->port_name = icb->port_name;
3629
3630 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3631
3632 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3633
3634 /* Set minimum login_timeout to 4 seconds. */
3635 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3636 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3637 if (le16_to_cpu(nv->login_timeout) < 4)
3638 nv->login_timeout = __constant_cpu_to_le16(4);
3639 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3640 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3641
3642 /* Set minimum RATOV to 200 tenths of a second. */
3643 ha->r_a_tov = 200;
3644
3645 ha->loop_reset_delay = nv->reset_delay;
3646
3647 /* Link Down Timeout = 0:
3648 *
3649 * When Port Down timer expires we will start returning
3650 * I/O's to OS with "DID_NO_CONNECT".
3651 *
3652 * Link Down Timeout != 0:
3653 *
3654 * The driver waits for the link to come up after link down
3655 * before returning I/Os to OS with "DID_NO_CONNECT".
3656 */
3657 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3658 ha->loop_down_abort_time =
3659 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3660 } else {
3661 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3662 ha->loop_down_abort_time =
3663 (LOOP_DOWN_TIME - ha->link_down_timeout);
3664 }
3665
3666 /* Need enough time to try and get the port back. */
3667 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3668 if (qlport_down_retry)
3669 ha->port_down_retry_count = qlport_down_retry;
3670
3671 /* Set login_retry_count */
3672 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3673 if (ha->port_down_retry_count ==
3674 le16_to_cpu(nv->port_down_retry_count) &&
3675 ha->port_down_retry_count > 3)
3676 ha->login_retry_count = ha->port_down_retry_count;
3677 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3678 ha->login_retry_count = ha->port_down_retry_count;
3679 if (ql2xloginretrycount)
3680 ha->login_retry_count = ql2xloginretrycount;
3681
3682 /* Enable ZIO. */
3683 if (!ha->flags.init_done) {
3684 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3685 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3686 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3687 le16_to_cpu(icb->interrupt_delay_timer): 2;
3688 }
3689 icb->firmware_options_2 &= __constant_cpu_to_le32(
3690 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3691 ha->flags.process_response_queue = 0;
3692 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3693 ha->zio_mode = QLA_ZIO_MODE_6;
3694
3695 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3696 "(%d us).\n", ha->host_no, ha->zio_mode,
3697 ha->zio_timer * 100));
3698 qla_printk(KERN_INFO, ha,
3699 "ZIO mode %d enabled; timer delay (%d us).\n",
3700 ha->zio_mode, ha->zio_timer * 100);
3701
3702 icb->firmware_options_2 |= cpu_to_le32(
3703 (uint32_t)ha->zio_mode);
3704 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3705 ha->flags.process_response_queue = 1;
3706 }
3707
3708 if (rval) {
3709 DEBUG2_3(printk(KERN_WARNING
3710 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3711 }
3712 return (rval);
3713 }
3714
3715 static int
3716 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3717 {
3718 int rval;
3719 int segments, fragment;
3720 uint32_t faddr;
3721 uint32_t *dcode, dlen;
3722 uint32_t risc_addr;
3723 uint32_t risc_size;
3724 uint32_t i;
3725
3726 rval = QLA_SUCCESS;
3727
3728 segments = FA_RISC_CODE_SEGMENTS;
3729 faddr = FA_RISC_CODE_ADDR;
3730 dcode = (uint32_t *)ha->request_ring;
3731 *srisc_addr = 0;
3732
3733 /* Validate firmware image by checking version. */
3734 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3735 for (i = 0; i < 4; i++)
3736 dcode[i] = be32_to_cpu(dcode[i]);
3737 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3738 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3739 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3740 dcode[3] == 0)) {
3741 qla_printk(KERN_WARNING, ha,
3742 "Unable to verify integrity of flash firmware image!\n");
3743 qla_printk(KERN_WARNING, ha,
3744 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3745 dcode[1], dcode[2], dcode[3]);
3746
3747 return QLA_FUNCTION_FAILED;
3748 }
3749
3750 while (segments && rval == QLA_SUCCESS) {
3751 /* Read segment's load information. */
3752 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3753
3754 risc_addr = be32_to_cpu(dcode[2]);
3755 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3756 risc_size = be32_to_cpu(dcode[3]);
3757
3758 fragment = 0;
3759 while (risc_size > 0 && rval == QLA_SUCCESS) {
3760 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3761 if (dlen > risc_size)
3762 dlen = risc_size;
3763
3764 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3765 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3766 ha->host_no, risc_addr, dlen, faddr));
3767
3768 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3769 for (i = 0; i < dlen; i++)
3770 dcode[i] = swab32(dcode[i]);
3771
3772 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3773 dlen);
3774 if (rval) {
3775 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3776 "segment %d of firmware\n", ha->host_no,
3777 fragment));
3778 qla_printk(KERN_WARNING, ha,
3779 "[ERROR] Failed to load segment %d of "
3780 "firmware\n", fragment);
3781 break;
3782 }
3783
3784 faddr += dlen;
3785 risc_addr += dlen;
3786 risc_size -= dlen;
3787 fragment++;
3788 }
3789
3790 /* Next segment. */
3791 segments--;
3792 }
3793
3794 return rval;
3795 }
3796
3797 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3798
3799 int
3800 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3801 {
3802 int rval;
3803 int i, fragment;
3804 uint16_t *wcode, *fwcode;
3805 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3806 struct fw_blob *blob;
3807
3808 /* Load firmware blob. */
3809 blob = qla2x00_request_firmware(ha);
3810 if (!blob) {
3811 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3812 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3813 "from: " QLA_FW_URL ".\n");
3814 return QLA_FUNCTION_FAILED;
3815 }
3816
3817 rval = QLA_SUCCESS;
3818
3819 wcode = (uint16_t *)ha->request_ring;
3820 *srisc_addr = 0;
3821 fwcode = (uint16_t *)blob->fw->data;
3822 fwclen = 0;
3823
3824 /* Validate firmware image by checking version. */
3825 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3826 qla_printk(KERN_WARNING, ha,
3827 "Unable to verify integrity of firmware image (%Zd)!\n",
3828 blob->fw->size);
3829 goto fail_fw_integrity;
3830 }
3831 for (i = 0; i < 4; i++)
3832 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3833 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3834 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3835 wcode[2] == 0 && wcode[3] == 0)) {
3836 qla_printk(KERN_WARNING, ha,
3837 "Unable to verify integrity of firmware image!\n");
3838 qla_printk(KERN_WARNING, ha,
3839 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3840 wcode[1], wcode[2], wcode[3]);
3841 goto fail_fw_integrity;
3842 }
3843
3844 seg = blob->segs;
3845 while (*seg && rval == QLA_SUCCESS) {
3846 risc_addr = *seg;
3847 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3848 risc_size = be16_to_cpu(fwcode[3]);
3849
3850 /* Validate firmware image size. */
3851 fwclen += risc_size * sizeof(uint16_t);
3852 if (blob->fw->size < fwclen) {
3853 qla_printk(KERN_WARNING, ha,
3854 "Unable to verify integrity of firmware image "
3855 "(%Zd)!\n", blob->fw->size);
3856 goto fail_fw_integrity;
3857 }
3858
3859 fragment = 0;
3860 while (risc_size > 0 && rval == QLA_SUCCESS) {
3861 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3862 if (wlen > risc_size)
3863 wlen = risc_size;
3864
3865 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3866 "addr %x, number of words 0x%x.\n", ha->host_no,
3867 risc_addr, wlen));
3868
3869 for (i = 0; i < wlen; i++)
3870 wcode[i] = swab16(fwcode[i]);
3871
3872 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3873 wlen);
3874 if (rval) {
3875 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3876 "segment %d of firmware\n", ha->host_no,
3877 fragment));
3878 qla_printk(KERN_WARNING, ha,
3879 "[ERROR] Failed to load segment %d of "
3880 "firmware\n", fragment);
3881 break;
3882 }
3883
3884 fwcode += wlen;
3885 risc_addr += wlen;
3886 risc_size -= wlen;
3887 fragment++;
3888 }
3889
3890 /* Next segment. */
3891 seg++;
3892 }
3893 return rval;
3894
3895 fail_fw_integrity:
3896 return QLA_FUNCTION_FAILED;
3897 }
3898
3899 int
3900 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3901 {
3902 int rval;
3903 int segments, fragment;
3904 uint32_t *dcode, dlen;
3905 uint32_t risc_addr;
3906 uint32_t risc_size;
3907 uint32_t i;
3908 struct fw_blob *blob;
3909 uint32_t *fwcode, fwclen;
3910
3911 /* Load firmware blob. */
3912 blob = qla2x00_request_firmware(ha);
3913 if (!blob) {
3914 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3915 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3916 "from: " QLA_FW_URL ".\n");
3917
3918 /* Try to load RISC code from flash. */
3919 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3920 "outdated) firmware from flash.\n");
3921 return qla24xx_load_risc_flash(ha, srisc_addr);
3922 }
3923
3924 rval = QLA_SUCCESS;
3925
3926 segments = FA_RISC_CODE_SEGMENTS;
3927 dcode = (uint32_t *)ha->request_ring;
3928 *srisc_addr = 0;
3929 fwcode = (uint32_t *)blob->fw->data;
3930 fwclen = 0;
3931
3932 /* Validate firmware image by checking version. */
3933 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3934 qla_printk(KERN_WARNING, ha,
3935 "Unable to verify integrity of firmware image (%Zd)!\n",
3936 blob->fw->size);
3937 goto fail_fw_integrity;
3938 }
3939 for (i = 0; i < 4; i++)
3940 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3941 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3942 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3943 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3944 dcode[3] == 0)) {
3945 qla_printk(KERN_WARNING, ha,
3946 "Unable to verify integrity of firmware image!\n");
3947 qla_printk(KERN_WARNING, ha,
3948 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3949 dcode[1], dcode[2], dcode[3]);
3950 goto fail_fw_integrity;
3951 }
3952
3953 while (segments && rval == QLA_SUCCESS) {
3954 risc_addr = be32_to_cpu(fwcode[2]);
3955 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3956 risc_size = be32_to_cpu(fwcode[3]);
3957
3958 /* Validate firmware image size. */
3959 fwclen += risc_size * sizeof(uint32_t);
3960 if (blob->fw->size < fwclen) {
3961 qla_printk(KERN_WARNING, ha,
3962 "Unable to verify integrity of firmware image "
3963 "(%Zd)!\n", blob->fw->size);
3964
3965 goto fail_fw_integrity;
3966 }
3967
3968 fragment = 0;
3969 while (risc_size > 0 && rval == QLA_SUCCESS) {
3970 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3971 if (dlen > risc_size)
3972 dlen = risc_size;
3973
3974 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3975 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3976 risc_addr, dlen));
3977
3978 for (i = 0; i < dlen; i++)
3979 dcode[i] = swab32(fwcode[i]);
3980
3981 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3982 dlen);
3983 if (rval) {
3984 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3985 "segment %d of firmware\n", ha->host_no,
3986 fragment));
3987 qla_printk(KERN_WARNING, ha,
3988 "[ERROR] Failed to load segment %d of "
3989 "firmware\n", fragment);
3990 break;
3991 }
3992
3993 fwcode += dlen;
3994 risc_addr += dlen;
3995 risc_size -= dlen;
3996 fragment++;
3997 }
3998
3999 /* Next segment. */
4000 segments--;
4001 }
4002 return rval;
4003
4004 fail_fw_integrity:
4005 return QLA_FUNCTION_FAILED;
4006 }
4007
4008 void
4009 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4010 {
4011 int ret, retries;
4012
4013 if (!IS_FWI2_CAPABLE(ha))
4014 return;
4015 if (!ha->fw_major_version)
4016 return;
4017
4018 ret = qla2x00_stop_firmware(ha);
4019 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4020 qla2x00_reset_chip(ha);
4021 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4022 continue;
4023 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4024 continue;
4025 qla_printk(KERN_INFO, ha,
4026 "Attempting retry of stop-firmware command...\n");
4027 ret = qla2x00_stop_firmware(ha);
4028 }
4029 }
4030
4031 int
4032 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4033 {
4034 int rval = QLA_SUCCESS;
4035 uint16_t mb[MAILBOX_REGISTER_COUNT];
4036
4037 if (!ha->parent)
4038 return -EINVAL;
4039
4040 rval = qla2x00_fw_ready(ha);
4041 if (rval == QLA_SUCCESS) {
4042 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4043 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4044 }
4045
4046 ha->flags.management_server_logged_in = 0;
4047
4048 /* Login to SNS first */
4049 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4050 mb, BIT_1);
4051 if (mb[0] != MBS_COMMAND_COMPLETE) {
4052 DEBUG15(qla_printk(KERN_INFO, ha,
4053 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4054 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4055 mb[0], mb[1], mb[2], mb[6], mb[7]));
4056 return (QLA_FUNCTION_FAILED);
4057 }
4058
4059 atomic_set(&ha->loop_down_timer, 0);
4060 atomic_set(&ha->loop_state, LOOP_UP);
4061 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4062 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4063 rval = qla2x00_loop_resync(ha);
4064
4065 return rval;
4066 }
Linux kernel - Deliverables
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