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