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x86: cpa self-test, WARN_ON()
[wrt350n-kernel.git] / drivers / scsi / qla2xxx / qla_init.c
blobd0633ca894be7cfd06f622b78de4f2b2792486e4
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11
12 #include "qla_devtbl.h"
13
14 #ifdef CONFIG_SPARC
15 #include <asm/prom.h>
16 #endif
17
18 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
19 #ifndef EXT_IS_LUN_BIT_SET
20 #define EXT_IS_LUN_BIT_SET(P,L) \
21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
22 #define EXT_SET_LUN_BIT(P,L) \
23 ((P)->mask[L/8] |= (0x80 >> (L%8)))
24 #endif
25
26 /*
27 * QLogic ISP2x00 Hardware Support Function Prototypes.
28 */
29 static int qla2x00_isp_firmware(scsi_qla_host_t *);
30 static void qla2x00_resize_request_q(scsi_qla_host_t *);
31 static int qla2x00_setup_chip(scsi_qla_host_t *);
32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
33 static int qla2x00_init_rings(scsi_qla_host_t *);
34 static int qla2x00_fw_ready(scsi_qla_host_t *);
35 static int qla2x00_configure_hba(scsi_qla_host_t *);
36 static int qla2x00_configure_loop(scsi_qla_host_t *);
37 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
38 static int qla2x00_configure_fabric(scsi_qla_host_t *);
39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
40 static int qla2x00_device_resync(scsi_qla_host_t *);
41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
42 uint16_t *);
43
44 static int qla2x00_restart_isp(scsi_qla_host_t *);
45
46 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
47
48 /****************************************************************************/
49 /* QLogic ISP2x00 Hardware Support Functions. */
50 /****************************************************************************/
51
52 /*
53 * qla2x00_initialize_adapter
54 * Initialize board.
55 *
56 * Input:
57 * ha = adapter block pointer.
58 *
59 * Returns:
60 * 0 = success
61 */
62 int
63 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
64 {
65 int rval;
66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
72 ha->device_flags = DFLG_NO_CABLE;
73 ha->dpc_flags = 0;
74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
80
81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
82 rval = ha->isp_ops->pci_config(ha);
83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
85 ha->host_no));
86 return (rval);
87 }
88
89 ha->isp_ops->reset_chip(ha);
90
91 ha->isp_ops->get_flash_version(ha, ha->request_ring);
92
93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
94
95 ha->isp_ops->nvram_config(ha);
96
97 if (ha->flags.disable_serdes) {
98 /* Mask HBA via NVRAM settings? */
99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
101 ha->port_name[0], ha->port_name[1],
102 ha->port_name[2], ha->port_name[3],
103 ha->port_name[4], ha->port_name[5],
104 ha->port_name[6], ha->port_name[7]);
105 return QLA_FUNCTION_FAILED;
106 }
107
108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
109
110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
111 rval = ha->isp_ops->chip_diag(ha);
112 if (rval)
113 return (rval);
114 rval = qla2x00_setup_chip(ha);
115 if (rval)
116 return (rval);
117 }
118 rval = qla2x00_init_rings(ha);
119
120 return (rval);
121 }
122
123 /**
124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
125 * @ha: HA context
126 *
127 * Returns 0 on success.
128 */
129 int
130 qla2100_pci_config(scsi_qla_host_t *ha)
131 {
132 uint16_t w;
133 uint32_t d;
134 unsigned long flags;
135 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
136
137 pci_set_master(ha->pdev);
138 pci_try_set_mwi(ha->pdev);
139
140 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
141 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
142 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
143
144 /* Reset expansion ROM address decode enable */
145 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
146 d &= ~PCI_ROM_ADDRESS_ENABLE;
147 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
148
149 /* Get PCI bus information. */
150 spin_lock_irqsave(&ha->hardware_lock, flags);
151 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
152 spin_unlock_irqrestore(&ha->hardware_lock, flags);
153
154 return QLA_SUCCESS;
155 }
156
157 /**
158 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
159 * @ha: HA context
160 *
161 * Returns 0 on success.
162 */
163 int
164 qla2300_pci_config(scsi_qla_host_t *ha)
165 {
166 uint16_t w;
167 uint32_t d;
168 unsigned long flags = 0;
169 uint32_t cnt;
170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
171
172 pci_set_master(ha->pdev);
173 pci_try_set_mwi(ha->pdev);
174
175 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
176 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
177
178 if (IS_QLA2322(ha) || IS_QLA6322(ha))
179 w &= ~PCI_COMMAND_INTX_DISABLE;
180 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
181
182 /*
183 * If this is a 2300 card and not 2312, reset the
184 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
185 * the 2310 also reports itself as a 2300 so we need to get the
186 * fb revision level -- a 6 indicates it really is a 2300 and
187 * not a 2310.
188 */
189 if (IS_QLA2300(ha)) {
190 spin_lock_irqsave(&ha->hardware_lock, flags);
191
192 /* Pause RISC. */
193 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
194 for (cnt = 0; cnt < 30000; cnt++) {
195 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
196 break;
197
198 udelay(10);
199 }
200
201 /* Select FPM registers. */
202 WRT_REG_WORD(&reg->ctrl_status, 0x20);
203 RD_REG_WORD(&reg->ctrl_status);
204
205 /* Get the fb rev level */
206 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
207
208 if (ha->fb_rev == FPM_2300)
209 pci_clear_mwi(ha->pdev);
210
211 /* Deselect FPM registers. */
212 WRT_REG_WORD(&reg->ctrl_status, 0x0);
213 RD_REG_WORD(&reg->ctrl_status);
214
215 /* Release RISC module. */
216 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
217 for (cnt = 0; cnt < 30000; cnt++) {
218 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
219 break;
220
221 udelay(10);
222 }
223
224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
225 }
226
227 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
228
229 /* Reset expansion ROM address decode enable */
230 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
231 d &= ~PCI_ROM_ADDRESS_ENABLE;
232 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
233
234 /* Get PCI bus information. */
235 spin_lock_irqsave(&ha->hardware_lock, flags);
236 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238
239 return QLA_SUCCESS;
240 }
241
242 /**
243 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
244 * @ha: HA context
245 *
246 * Returns 0 on success.
247 */
248 int
249 qla24xx_pci_config(scsi_qla_host_t *ha)
250 {
251 uint16_t w;
252 uint32_t d;
253 unsigned long flags = 0;
254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
255
256 pci_set_master(ha->pdev);
257 pci_try_set_mwi(ha->pdev);
258
259 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
260 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
261 w &= ~PCI_COMMAND_INTX_DISABLE;
262 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
263
264 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
265
266 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
267 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
268 pcix_set_mmrbc(ha->pdev, 2048);
269
270 /* PCIe -- adjust Maximum Read Request Size (2048). */
271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
272 pcie_set_readrq(ha->pdev, 2048);
273
274 /* Reset expansion ROM address decode enable */
275 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
276 d &= ~PCI_ROM_ADDRESS_ENABLE;
277 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
278
279 ha->chip_revision = ha->pdev->revision;
280
281 /* Get PCI bus information. */
282 spin_lock_irqsave(&ha->hardware_lock, flags);
283 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
284 spin_unlock_irqrestore(&ha->hardware_lock, flags);
285
286 return QLA_SUCCESS;
287 }
288
289 /**
290 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
291 * @ha: HA context
292 *
293 * Returns 0 on success.
294 */
295 int
296 qla25xx_pci_config(scsi_qla_host_t *ha)
297 {
298 uint16_t w;
299 uint32_t d;
300
301 pci_set_master(ha->pdev);
302 pci_try_set_mwi(ha->pdev);
303
304 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
305 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
306 w &= ~PCI_COMMAND_INTX_DISABLE;
307 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
308
309 /* PCIe -- adjust Maximum Read Request Size (2048). */
310 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
311 pcie_set_readrq(ha->pdev, 2048);
312
313 /* Reset expansion ROM address decode enable */
314 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
315 d &= ~PCI_ROM_ADDRESS_ENABLE;
316 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
317
318 ha->chip_revision = ha->pdev->revision;
319
320 return QLA_SUCCESS;
321 }
322
323 /**
324 * qla2x00_isp_firmware() - Choose firmware image.
325 * @ha: HA context
326 *
327 * Returns 0 on success.
328 */
329 static int
330 qla2x00_isp_firmware(scsi_qla_host_t *ha)
331 {
332 int rval;
333
334 /* Assume loading risc code */
335 rval = QLA_FUNCTION_FAILED;
336
337 if (ha->flags.disable_risc_code_load) {
338 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
339 ha->host_no));
340 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
341
342 /* Verify checksum of loaded RISC code. */
343 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
344 }
345
346 if (rval) {
347 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
348 ha->host_no));
349 }
350
351 return (rval);
352 }
353
354 /**
355 * qla2x00_reset_chip() - Reset ISP chip.
356 * @ha: HA context
357 *
358 * Returns 0 on success.
359 */
360 void
361 qla2x00_reset_chip(scsi_qla_host_t *ha)
362 {
363 unsigned long flags = 0;
364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
365 uint32_t cnt;
366 uint16_t cmd;
367
368 ha->isp_ops->disable_intrs(ha);
369
370 spin_lock_irqsave(&ha->hardware_lock, flags);
371
372 /* Turn off master enable */
373 cmd = 0;
374 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
375 cmd &= ~PCI_COMMAND_MASTER;
376 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
377
378 if (!IS_QLA2100(ha)) {
379 /* Pause RISC. */
380 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
381 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
382 for (cnt = 0; cnt < 30000; cnt++) {
383 if ((RD_REG_WORD(&reg->hccr) &
384 HCCR_RISC_PAUSE) != 0)
385 break;
386 udelay(100);
387 }
388 } else {
389 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
390 udelay(10);
391 }
392
393 /* Select FPM registers. */
394 WRT_REG_WORD(&reg->ctrl_status, 0x20);
395 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
396
397 /* FPM Soft Reset. */
398 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
399 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
400
401 /* Toggle Fpm Reset. */
402 if (!IS_QLA2200(ha)) {
403 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
404 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
405 }
406
407 /* Select frame buffer registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0x10);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset frame buffer FIFOs. */
412 if (IS_QLA2200(ha)) {
413 WRT_FB_CMD_REG(ha, reg, 0xa000);
414 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
415 } else {
416 WRT_FB_CMD_REG(ha, reg, 0x00fc);
417
418 /* Read back fb_cmd until zero or 3 seconds max */
419 for (cnt = 0; cnt < 3000; cnt++) {
420 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
421 break;
422 udelay(100);
423 }
424 }
425
426 /* Select RISC module registers. */
427 WRT_REG_WORD(&reg->ctrl_status, 0);
428 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
429
430 /* Reset RISC processor. */
431 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
433
434 /* Release RISC processor. */
435 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
436 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
437 }
438
439 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
440 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
441
442 /* Reset ISP chip. */
443 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
444
445 /* Wait for RISC to recover from reset. */
446 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
447 /*
448 * It is necessary to for a delay here since the card doesn't
449 * respond to PCI reads during a reset. On some architectures
450 * this will result in an MCA.
451 */
452 udelay(20);
453 for (cnt = 30000; cnt; cnt--) {
454 if ((RD_REG_WORD(&reg->ctrl_status) &
455 CSR_ISP_SOFT_RESET) == 0)
456 break;
457 udelay(100);
458 }
459 } else
460 udelay(10);
461
462 /* Reset RISC processor. */
463 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
464
465 WRT_REG_WORD(&reg->semaphore, 0);
466
467 /* Release RISC processor. */
468 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470
471 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
472 for (cnt = 0; cnt < 30000; cnt++) {
473 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
474 break;
475
476 udelay(100);
477 }
478 } else
479 udelay(100);
480
481 /* Turn on master enable */
482 cmd |= PCI_COMMAND_MASTER;
483 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
484
485 /* Disable RISC pause on FPM parity error. */
486 if (!IS_QLA2100(ha)) {
487 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 spin_unlock_irqrestore(&ha->hardware_lock, flags);
492 }
493
494 /**
495 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
496 * @ha: HA context
497 *
498 * Returns 0 on success.
499 */
500 static inline void
501 qla24xx_reset_risc(scsi_qla_host_t *ha)
502 {
503 unsigned long flags = 0;
504 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
505 uint32_t cnt, d2;
506 uint16_t wd;
507
508 spin_lock_irqsave(&ha->hardware_lock, flags);
509
510 /* Reset RISC. */
511 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
512 for (cnt = 0; cnt < 30000; cnt++) {
513 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
514 break;
515
516 udelay(10);
517 }
518
519 WRT_REG_DWORD(&reg->ctrl_status,
520 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
521 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
522
523 udelay(100);
524 /* Wait for firmware to complete NVRAM accesses. */
525 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
526 for (cnt = 10000 ; cnt && d2; cnt--) {
527 udelay(5);
528 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
529 barrier();
530 }
531
532 /* Wait for soft-reset to complete. */
533 d2 = RD_REG_DWORD(&reg->ctrl_status);
534 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
535 udelay(5);
536 d2 = RD_REG_DWORD(&reg->ctrl_status);
537 barrier();
538 }
539
540 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
541 RD_REG_DWORD(&reg->hccr);
542
543 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
544 RD_REG_DWORD(&reg->hccr);
545
546 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
547 RD_REG_DWORD(&reg->hccr);
548
549 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
550 for (cnt = 6000000 ; cnt && d2; cnt--) {
551 udelay(5);
552 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
553 barrier();
554 }
555
556 spin_unlock_irqrestore(&ha->hardware_lock, flags);
557 }
558
559 /**
560 * qla24xx_reset_chip() - Reset ISP24xx chip.
561 * @ha: HA context
562 *
563 * Returns 0 on success.
564 */
565 void
566 qla24xx_reset_chip(scsi_qla_host_t *ha)
567 {
568 ha->isp_ops->disable_intrs(ha);
569
570 /* Perform RISC reset. */
571 qla24xx_reset_risc(ha);
572 }
573
574 /**
575 * qla2x00_chip_diag() - Test chip for proper operation.
576 * @ha: HA context
577 *
578 * Returns 0 on success.
579 */
580 int
581 qla2x00_chip_diag(scsi_qla_host_t *ha)
582 {
583 int rval;
584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
585 unsigned long flags = 0;
586 uint16_t data;
587 uint32_t cnt;
588 uint16_t mb[5];
589
590 /* Assume a failed state */
591 rval = QLA_FUNCTION_FAILED;
592
593 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
594 ha->host_no, (u_long)&reg->flash_address));
595
596 spin_lock_irqsave(&ha->hardware_lock, flags);
597
598 /* Reset ISP chip. */
599 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
600
601 /*
602 * We need to have a delay here since the card will not respond while
603 * in reset causing an MCA on some architectures.
604 */
605 udelay(20);
606 data = qla2x00_debounce_register(&reg->ctrl_status);
607 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
608 udelay(5);
609 data = RD_REG_WORD(&reg->ctrl_status);
610 barrier();
611 }
612
613 if (!cnt)
614 goto chip_diag_failed;
615
616 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
617 ha->host_no));
618
619 /* Reset RISC processor. */
620 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
621 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
622
623 /* Workaround for QLA2312 PCI parity error */
624 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
625 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
626 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
627 udelay(5);
628 data = RD_MAILBOX_REG(ha, reg, 0);
629 barrier();
630 }
631 } else
632 udelay(10);
633
634 if (!cnt)
635 goto chip_diag_failed;
636
637 /* Check product ID of chip */
638 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
639
640 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
641 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
642 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
643 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
644 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
645 mb[3] != PROD_ID_3) {
646 qla_printk(KERN_WARNING, ha,
647 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
648
649 goto chip_diag_failed;
650 }
651 ha->product_id[0] = mb[1];
652 ha->product_id[1] = mb[2];
653 ha->product_id[2] = mb[3];
654 ha->product_id[3] = mb[4];
655
656 /* Adjust fw RISC transfer size */
657 if (ha->request_q_length > 1024)
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
659 else
660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
661 ha->request_q_length;
662
663 if (IS_QLA2200(ha) &&
664 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
665 /* Limit firmware transfer size with a 2200A */
666 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
667 ha->host_no));
668
669 ha->device_type |= DT_ISP2200A;
670 ha->fw_transfer_size = 128;
671 }
672
673 /* Wrap Incoming Mailboxes Test. */
674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
675
676 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
677 rval = qla2x00_mbx_reg_test(ha);
678 if (rval) {
679 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
680 ha->host_no));
681 qla_printk(KERN_WARNING, ha,
682 "Failed mailbox send register test\n");
683 }
684 else {
685 /* Flag a successful rval */
686 rval = QLA_SUCCESS;
687 }
688 spin_lock_irqsave(&ha->hardware_lock, flags);
689
690 chip_diag_failed:
691 if (rval)
692 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
693 "****\n", ha->host_no));
694
695 spin_unlock_irqrestore(&ha->hardware_lock, flags);
696
697 return (rval);
698 }
699
700 /**
701 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
702 * @ha: HA context
703 *
704 * Returns 0 on success.
705 */
706 int
707 qla24xx_chip_diag(scsi_qla_host_t *ha)
708 {
709 int rval;
710
711 /* Perform RISC reset. */
712 qla24xx_reset_risc(ha);
713
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
715
716 rval = qla2x00_mbx_reg_test(ha);
717 if (rval) {
718 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
719 ha->host_no));
720 qla_printk(KERN_WARNING, ha,
721 "Failed mailbox send register test\n");
722 } else {
723 /* Flag a successful rval */
724 rval = QLA_SUCCESS;
725 }
726
727 return rval;
728 }
729
730 void
731 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
732 {
733 int rval;
734 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
735 eft_size, fce_size;
736 dma_addr_t tc_dma;
737 void *tc;
738
739 if (ha->fw_dump) {
740 qla_printk(KERN_WARNING, ha,
741 "Firmware dump previously allocated.\n");
742 return;
743 }
744
745 ha->fw_dumped = 0;
746 fixed_size = mem_size = eft_size = fce_size = 0;
747 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
748 fixed_size = sizeof(struct qla2100_fw_dump);
749 } else if (IS_QLA23XX(ha)) {
750 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
751 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
752 sizeof(uint16_t);
753 } else if (IS_FWI2_CAPABLE(ha)) {
754 fixed_size = IS_QLA25XX(ha) ?
755 offsetof(struct qla25xx_fw_dump, ext_mem):
756 offsetof(struct qla24xx_fw_dump, ext_mem);
757 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
758 sizeof(uint32_t);
759
760 /* Allocate memory for Extended Trace Buffer. */
761 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
762 GFP_KERNEL);
763 if (!tc) {
764 qla_printk(KERN_WARNING, ha, "Unable to allocate "
765 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
766 goto cont_alloc;
767 }
768
769 memset(tc, 0, EFT_SIZE);
770 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
771 if (rval) {
772 qla_printk(KERN_WARNING, ha, "Unable to initialize "
773 "EFT (%d).\n", rval);
774 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
775 tc_dma);
776 goto cont_alloc;
777 }
778
779 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
780 EFT_SIZE / 1024);
781
782 eft_size = EFT_SIZE;
783 ha->eft_dma = tc_dma;
784 ha->eft = tc;
785
786 /* Allocate memory for Fibre Channel Event Buffer. */
787 if (!IS_QLA25XX(ha))
788 goto cont_alloc;
789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
795 goto cont_alloc;
796 }
797
798 memset(tc, 0, FCE_SIZE);
799 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
807 goto cont_alloc;
808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
813 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
817 }
818 cont_alloc:
819 req_q_size = ha->request_q_length * sizeof(request_t);
820 rsp_q_size = ha->response_q_length * sizeof(response_t);
821
822 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
823 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
824 eft_size + fce_size;
825
826 ha->fw_dump = vmalloc(dump_size);
827 if (!ha->fw_dump) {
828 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
829 "firmware dump!!!\n", dump_size / 1024);
830
831 if (ha->eft) {
832 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
833 ha->eft_dma);
834 ha->eft = NULL;
835 ha->eft_dma = 0;
836 }
837 return;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
841 dump_size / 1024);
842
843 ha->fw_dump_len = dump_size;
844 ha->fw_dump->signature[0] = 'Q';
845 ha->fw_dump->signature[1] = 'L';
846 ha->fw_dump->signature[2] = 'G';
847 ha->fw_dump->signature[3] = 'C';
848 ha->fw_dump->version = __constant_htonl(1);
849
850 ha->fw_dump->fixed_size = htonl(fixed_size);
851 ha->fw_dump->mem_size = htonl(mem_size);
852 ha->fw_dump->req_q_size = htonl(req_q_size);
853 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
854
855 ha->fw_dump->eft_size = htonl(eft_size);
856 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
857 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
858
859 ha->fw_dump->header_size =
860 htonl(offsetof(struct qla2xxx_fw_dump, isp));
861 }
862
863 /**
864 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869 static void
870 qla2x00_resize_request_q(scsi_qla_host_t *ha)
871 {
872 int rval;
873 uint16_t fw_iocb_cnt = 0;
874 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
875 dma_addr_t request_dma;
876 request_t *request_ring;
877
878 /* Valid only on recent ISPs. */
879 if (IS_QLA2100(ha) || IS_QLA2200(ha))
880 return;
881
882 /* Retrieve IOCB counts available to the firmware. */
883 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
884 &ha->max_npiv_vports);
885 if (rval)
886 return;
887 /* No point in continuing if current settings are sufficient. */
888 if (fw_iocb_cnt < 1024)
889 return;
890 if (ha->request_q_length >= request_q_length)
891 return;
892
893 /* Attempt to claim larger area for request queue. */
894 request_ring = dma_alloc_coherent(&ha->pdev->dev,
895 (request_q_length + 1) * sizeof(request_t), &request_dma,
896 GFP_KERNEL);
897 if (request_ring == NULL)
898 return;
899
900 /* Resize successful, report extensions. */
901 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
902 (ha->fw_memory_size + 1) / 1024);
903 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
904 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
905
906 /* Clear old allocations. */
907 dma_free_coherent(&ha->pdev->dev,
908 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
909 ha->request_dma);
910
911 /* Begin using larger queue. */
912 ha->request_q_length = request_q_length;
913 ha->request_ring = request_ring;
914 ha->request_dma = request_dma;
915 }
916
917 /**
918 * qla2x00_setup_chip() - Load and start RISC firmware.
919 * @ha: HA context
920 *
921 * Returns 0 on success.
922 */
923 static int
924 qla2x00_setup_chip(scsi_qla_host_t *ha)
925 {
926 int rval;
927 uint32_t srisc_address = 0;
928
929 /* Load firmware sequences */
930 rval = ha->isp_ops->load_risc(ha, &srisc_address);
931 if (rval == QLA_SUCCESS) {
932 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
933 "code.\n", ha->host_no));
934
935 rval = qla2x00_verify_checksum(ha, srisc_address);
936 if (rval == QLA_SUCCESS) {
937 /* Start firmware execution. */
938 DEBUG(printk("scsi(%ld): Checksum OK, start "
939 "firmware.\n", ha->host_no));
940
941 rval = qla2x00_execute_fw(ha, srisc_address);
942 /* Retrieve firmware information. */
943 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
944 qla2x00_get_fw_version(ha,
945 &ha->fw_major_version,
946 &ha->fw_minor_version,
947 &ha->fw_subminor_version,
948 &ha->fw_attributes, &ha->fw_memory_size);
949 qla2x00_resize_request_q(ha);
950 ha->flags.npiv_supported = 0;
951 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
952 (ha->fw_attributes & BIT_2)) {
953 ha->flags.npiv_supported = 1;
954 if ((!ha->max_npiv_vports) ||
955 ((ha->max_npiv_vports + 1) %
956 MIN_MULTI_ID_FABRIC))
957 ha->max_npiv_vports =
958 MIN_MULTI_ID_FABRIC - 1;
959 }
960
961 if (ql2xallocfwdump)
962 qla2x00_alloc_fw_dump(ha);
963 }
964 } else {
965 DEBUG2(printk(KERN_INFO
966 "scsi(%ld): ISP Firmware failed checksum.\n",
967 ha->host_no));
968 }
969 }
970
971 if (rval) {
972 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
973 ha->host_no));
974 }
975
976 return (rval);
977 }
978
979 /**
980 * qla2x00_init_response_q_entries() - Initializes response queue entries.
981 * @ha: HA context
982 *
983 * Beginning of request ring has initialization control block already built
984 * by nvram config routine.
985 *
986 * Returns 0 on success.
987 */
988 static void
989 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
990 {
991 uint16_t cnt;
992 response_t *pkt;
993
994 pkt = ha->response_ring_ptr;
995 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
996 pkt->signature = RESPONSE_PROCESSED;
997 pkt++;
998 }
999
1000 }
1001
1002 /**
1003 * qla2x00_update_fw_options() - Read and process firmware options.
1004 * @ha: HA context
1005 *
1006 * Returns 0 on success.
1007 */
1008 void
1009 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1010 {
1011 uint16_t swing, emphasis, tx_sens, rx_sens;
1012
1013 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1014 qla2x00_get_fw_options(ha, ha->fw_options);
1015
1016 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1017 return;
1018
1019 /* Serial Link options. */
1020 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1021 ha->host_no));
1022 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1023 sizeof(ha->fw_seriallink_options)));
1024
1025 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1026 if (ha->fw_seriallink_options[3] & BIT_2) {
1027 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1028
1029 /* 1G settings */
1030 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1031 emphasis = (ha->fw_seriallink_options[2] &
1032 (BIT_4 | BIT_3)) >> 3;
1033 tx_sens = ha->fw_seriallink_options[0] &
1034 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1035 rx_sens = (ha->fw_seriallink_options[0] &
1036 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1037 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1038 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1039 if (rx_sens == 0x0)
1040 rx_sens = 0x3;
1041 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1042 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1043 ha->fw_options[10] |= BIT_5 |
1044 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1045 (tx_sens & (BIT_1 | BIT_0));
1046
1047 /* 2G settings */
1048 swing = (ha->fw_seriallink_options[2] &
1049 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1050 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1051 tx_sens = ha->fw_seriallink_options[1] &
1052 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1053 rx_sens = (ha->fw_seriallink_options[1] &
1054 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1055 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1056 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1057 if (rx_sens == 0x0)
1058 rx_sens = 0x3;
1059 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1060 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1061 ha->fw_options[11] |= BIT_5 |
1062 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1063 (tx_sens & (BIT_1 | BIT_0));
1064 }
1065
1066 /* FCP2 options. */
1067 /* Return command IOCBs without waiting for an ABTS to complete. */
1068 ha->fw_options[3] |= BIT_13;
1069
1070 /* LED scheme. */
1071 if (ha->flags.enable_led_scheme)
1072 ha->fw_options[2] |= BIT_12;
1073
1074 /* Detect ISP6312. */
1075 if (IS_QLA6312(ha))
1076 ha->fw_options[2] |= BIT_13;
1077
1078 /* Update firmware options. */
1079 qla2x00_set_fw_options(ha, ha->fw_options);
1080 }
1081
1082 void
1083 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1084 {
1085 int rval;
1086
1087 /* Update Serial Link options. */
1088 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1089 return;
1090
1091 rval = qla2x00_set_serdes_params(ha,
1092 le16_to_cpu(ha->fw_seriallink_options24[1]),
1093 le16_to_cpu(ha->fw_seriallink_options24[2]),
1094 le16_to_cpu(ha->fw_seriallink_options24[3]));
1095 if (rval != QLA_SUCCESS) {
1096 qla_printk(KERN_WARNING, ha,
1097 "Unable to update Serial Link options (%x).\n", rval);
1098 }
1099 }
1100
1101 void
1102 qla2x00_config_rings(struct scsi_qla_host *ha)
1103 {
1104 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1105
1106 /* Setup ring parameters in initialization control block. */
1107 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1108 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1109 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1110 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1111 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1112 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1113 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1114 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1115
1116 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1117 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1118 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1119 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1120 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1121 }
1122
1123 void
1124 qla24xx_config_rings(struct scsi_qla_host *ha)
1125 {
1126 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1127 struct init_cb_24xx *icb;
1128
1129 /* Setup ring parameters in initialization control block. */
1130 icb = (struct init_cb_24xx *)ha->init_cb;
1131 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1132 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1133 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1134 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1135 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1136 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1137 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1138 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1139
1140 WRT_REG_DWORD(&reg->req_q_in, 0);
1141 WRT_REG_DWORD(&reg->req_q_out, 0);
1142 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1143 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1144 RD_REG_DWORD(&reg->rsp_q_out);
1145 }
1146
1147 /**
1148 * qla2x00_init_rings() - Initializes firmware.
1149 * @ha: HA context
1150 *
1151 * Beginning of request ring has initialization control block already built
1152 * by nvram config routine.
1153 *
1154 * Returns 0 on success.
1155 */
1156 static int
1157 qla2x00_init_rings(scsi_qla_host_t *ha)
1158 {
1159 int rval;
1160 unsigned long flags = 0;
1161 int cnt;
1162 struct mid_init_cb_24xx *mid_init_cb =
1163 (struct mid_init_cb_24xx *) ha->init_cb;
1164
1165 spin_lock_irqsave(&ha->hardware_lock, flags);
1166
1167 /* Clear outstanding commands array. */
1168 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1169 ha->outstanding_cmds[cnt] = NULL;
1170
1171 ha->current_outstanding_cmd = 0;
1172
1173 /* Clear RSCN queue. */
1174 ha->rscn_in_ptr = 0;
1175 ha->rscn_out_ptr = 0;
1176
1177 /* Initialize firmware. */
1178 ha->request_ring_ptr = ha->request_ring;
1179 ha->req_ring_index = 0;
1180 ha->req_q_cnt = ha->request_q_length;
1181 ha->response_ring_ptr = ha->response_ring;
1182 ha->rsp_ring_index = 0;
1183
1184 /* Initialize response queue entries */
1185 qla2x00_init_response_q_entries(ha);
1186
1187 ha->isp_ops->config_rings(ha);
1188
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191 /* Update any ISP specific firmware options before initialization. */
1192 ha->isp_ops->update_fw_options(ha);
1193
1194 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1195
1196 if (ha->flags.npiv_supported)
1197 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1198
1199 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1200
1201 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1202 if (rval) {
1203 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1204 ha->host_no));
1205 } else {
1206 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1207 ha->host_no));
1208 }
1209
1210 return (rval);
1211 }
1212
1213 /**
1214 * qla2x00_fw_ready() - Waits for firmware ready.
1215 * @ha: HA context
1216 *
1217 * Returns 0 on success.
1218 */
1219 static int
1220 qla2x00_fw_ready(scsi_qla_host_t *ha)
1221 {
1222 int rval;
1223 unsigned long wtime, mtime;
1224 uint16_t min_wait; /* Minimum wait time if loop is down */
1225 uint16_t wait_time; /* Wait time if loop is coming ready */
1226 uint16_t fw_state;
1227
1228 rval = QLA_SUCCESS;
1229
1230 /* 20 seconds for loop down. */
1231 min_wait = 20;
1232
1233 /*
1234 * Firmware should take at most one RATOV to login, plus 5 seconds for
1235 * our own processing.
1236 */
1237 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1238 wait_time = min_wait;
1239 }
1240
1241 /* Min wait time if loop down */
1242 mtime = jiffies + (min_wait * HZ);
1243
1244 /* wait time before firmware ready */
1245 wtime = jiffies + (wait_time * HZ);
1246
1247 /* Wait for ISP to finish LIP */
1248 if (!ha->flags.init_done)
1249 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1250
1251 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1252 ha->host_no));
1253
1254 do {
1255 rval = qla2x00_get_firmware_state(ha, &fw_state);
1256 if (rval == QLA_SUCCESS) {
1257 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1258 ha->device_flags &= ~DFLG_NO_CABLE;
1259 }
1260 if (fw_state == FSTATE_READY) {
1261 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1262 ha->host_no));
1263
1264 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1265 &ha->login_timeout, &ha->r_a_tov);
1266
1267 rval = QLA_SUCCESS;
1268 break;
1269 }
1270
1271 rval = QLA_FUNCTION_FAILED;
1272
1273 if (atomic_read(&ha->loop_down_timer) &&
1274 fw_state != FSTATE_READY) {
1275 /* Loop down. Timeout on min_wait for states
1276 * other than Wait for Login.
1277 */
1278 if (time_after_eq(jiffies, mtime)) {
1279 qla_printk(KERN_INFO, ha,
1280 "Cable is unplugged...\n");
1281
1282 ha->device_flags |= DFLG_NO_CABLE;
1283 break;
1284 }
1285 }
1286 } else {
1287 /* Mailbox cmd failed. Timeout on min_wait. */
1288 if (time_after_eq(jiffies, mtime))
1289 break;
1290 }
1291
1292 if (time_after_eq(jiffies, wtime))
1293 break;
1294
1295 /* Delay for a while */
1296 msleep(500);
1297
1298 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1299 ha->host_no, fw_state, jiffies));
1300 } while (1);
1301
1302 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1303 ha->host_no, fw_state, jiffies));
1304
1305 if (rval) {
1306 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1307 ha->host_no));
1308 }
1309
1310 return (rval);
1311 }
1312
1313 /*
1314 * qla2x00_configure_hba
1315 * Setup adapter context.
1316 *
1317 * Input:
1318 * ha = adapter state pointer.
1319 *
1320 * Returns:
1321 * 0 = success
1322 *
1323 * Context:
1324 * Kernel context.
1325 */
1326 static int
1327 qla2x00_configure_hba(scsi_qla_host_t *ha)
1328 {
1329 int rval;
1330 uint16_t loop_id;
1331 uint16_t topo;
1332 uint16_t sw_cap;
1333 uint8_t al_pa;
1334 uint8_t area;
1335 uint8_t domain;
1336 char connect_type[22];
1337
1338 /* Get host addresses. */
1339 rval = qla2x00_get_adapter_id(ha,
1340 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1341 if (rval != QLA_SUCCESS) {
1342 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1343 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1344 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1345 __func__, ha->host_no));
1346 } else {
1347 qla_printk(KERN_WARNING, ha,
1348 "ERROR -- Unable to get host loop ID.\n");
1349 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1350 }
1351 return (rval);
1352 }
1353
1354 if (topo == 4) {
1355 qla_printk(KERN_INFO, ha,
1356 "Cannot get topology - retrying.\n");
1357 return (QLA_FUNCTION_FAILED);
1358 }
1359
1360 ha->loop_id = loop_id;
1361
1362 /* initialize */
1363 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1364 ha->operating_mode = LOOP;
1365 ha->switch_cap = 0;
1366
1367 switch (topo) {
1368 case 0:
1369 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1370 ha->host_no));
1371 ha->current_topology = ISP_CFG_NL;
1372 strcpy(connect_type, "(Loop)");
1373 break;
1374
1375 case 1:
1376 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1377 ha->host_no));
1378 ha->switch_cap = sw_cap;
1379 ha->current_topology = ISP_CFG_FL;
1380 strcpy(connect_type, "(FL_Port)");
1381 break;
1382
1383 case 2:
1384 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1385 ha->host_no));
1386 ha->operating_mode = P2P;
1387 ha->current_topology = ISP_CFG_N;
1388 strcpy(connect_type, "(N_Port-to-N_Port)");
1389 break;
1390
1391 case 3:
1392 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1393 ha->host_no));
1394 ha->switch_cap = sw_cap;
1395 ha->operating_mode = P2P;
1396 ha->current_topology = ISP_CFG_F;
1397 strcpy(connect_type, "(F_Port)");
1398 break;
1399
1400 default:
1401 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1402 "Using NL.\n",
1403 ha->host_no, topo));
1404 ha->current_topology = ISP_CFG_NL;
1405 strcpy(connect_type, "(Loop)");
1406 break;
1407 }
1408
1409 /* Save Host port and loop ID. */
1410 /* byte order - Big Endian */
1411 ha->d_id.b.domain = domain;
1412 ha->d_id.b.area = area;
1413 ha->d_id.b.al_pa = al_pa;
1414
1415 if (!ha->flags.init_done)
1416 qla_printk(KERN_INFO, ha,
1417 "Topology - %s, Host Loop address 0x%x\n",
1418 connect_type, ha->loop_id);
1419
1420 if (rval) {
1421 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1422 } else {
1423 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1424 }
1425
1426 return(rval);
1427 }
1428
1429 static inline void
1430 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1431 {
1432 char *st, *en;
1433 uint16_t index;
1434
1435 if (memcmp(model, BINZERO, len) != 0) {
1436 strncpy(ha->model_number, model, len);
1437 st = en = ha->model_number;
1438 en += len - 1;
1439 while (en > st) {
1440 if (*en != 0x20 && *en != 0x00)
1441 break;
1442 *en-- = '\0';
1443 }
1444
1445 index = (ha->pdev->subsystem_device & 0xff);
1446 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1447 index < QLA_MODEL_NAMES)
1448 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1449 } else {
1450 index = (ha->pdev->subsystem_device & 0xff);
1451 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1452 index < QLA_MODEL_NAMES) {
1453 strcpy(ha->model_number,
1454 qla2x00_model_name[index * 2]);
1455 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1456 } else {
1457 strcpy(ha->model_number, def);
1458 }
1459 }
1460 }
1461
1462 /* On sparc systems, obtain port and node WWN from firmware
1463 * properties.
1464 */
1465 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1466 {
1467 #ifdef CONFIG_SPARC
1468 struct pci_dev *pdev = ha->pdev;
1469 struct device_node *dp = pci_device_to_OF_node(pdev);
1470 const u8 *val;
1471 int len;
1472
1473 val = of_get_property(dp, "port-wwn", &len);
1474 if (val && len >= WWN_SIZE)
1475 memcpy(nv->port_name, val, WWN_SIZE);
1476
1477 val = of_get_property(dp, "node-wwn", &len);
1478 if (val && len >= WWN_SIZE)
1479 memcpy(nv->node_name, val, WWN_SIZE);
1480 #endif
1481 }
1482
1483 /*
1484 * NVRAM configuration for ISP 2xxx
1485 *
1486 * Input:
1487 * ha = adapter block pointer.
1488 *
1489 * Output:
1490 * initialization control block in response_ring
1491 * host adapters parameters in host adapter block
1492 *
1493 * Returns:
1494 * 0 = success.
1495 */
1496 int
1497 qla2x00_nvram_config(scsi_qla_host_t *ha)
1498 {
1499 int rval;
1500 uint8_t chksum = 0;
1501 uint16_t cnt;
1502 uint8_t *dptr1, *dptr2;
1503 init_cb_t *icb = ha->init_cb;
1504 nvram_t *nv = ha->nvram;
1505 uint8_t *ptr = ha->nvram;
1506 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1507
1508 rval = QLA_SUCCESS;
1509
1510 /* Determine NVRAM starting address. */
1511 ha->nvram_size = sizeof(nvram_t);
1512 ha->nvram_base = 0;
1513 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1514 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1515 ha->nvram_base = 0x80;
1516
1517 /* Get NVRAM data and calculate checksum. */
1518 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1519 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1520 chksum += *ptr++;
1521
1522 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1523 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1524
1525 /* Bad NVRAM data, set defaults parameters. */
1526 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1527 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1528 /* Reset NVRAM data. */
1529 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1530 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1531 nv->nvram_version);
1532 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1533 "invalid -- WWPN) defaults.\n");
1534
1535 /*
1536 * Set default initialization control block.
1537 */
1538 memset(nv, 0, ha->nvram_size);
1539 nv->parameter_block_version = ICB_VERSION;
1540
1541 if (IS_QLA23XX(ha)) {
1542 nv->firmware_options[0] = BIT_2 | BIT_1;
1543 nv->firmware_options[1] = BIT_7 | BIT_5;
1544 nv->add_firmware_options[0] = BIT_5;
1545 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1546 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1547 nv->special_options[1] = BIT_7;
1548 } else if (IS_QLA2200(ha)) {
1549 nv->firmware_options[0] = BIT_2 | BIT_1;
1550 nv->firmware_options[1] = BIT_7 | BIT_5;
1551 nv->add_firmware_options[0] = BIT_5;
1552 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1553 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1554 } else if (IS_QLA2100(ha)) {
1555 nv->firmware_options[0] = BIT_3 | BIT_1;
1556 nv->firmware_options[1] = BIT_5;
1557 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1558 }
1559
1560 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1561 nv->execution_throttle = __constant_cpu_to_le16(16);
1562 nv->retry_count = 8;
1563 nv->retry_delay = 1;
1564
1565 nv->port_name[0] = 33;
1566 nv->port_name[3] = 224;
1567 nv->port_name[4] = 139;
1568
1569 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1570
1571 nv->login_timeout = 4;
1572
1573 /*
1574 * Set default host adapter parameters
1575 */
1576 nv->host_p[1] = BIT_2;
1577 nv->reset_delay = 5;
1578 nv->port_down_retry_count = 8;
1579 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1580 nv->link_down_timeout = 60;
1581
1582 rval = 1;
1583 }
1584
1585 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1586 /*
1587 * The SN2 does not provide BIOS emulation which means you can't change
1588 * potentially bogus BIOS settings. Force the use of default settings
1589 * for link rate and frame size. Hope that the rest of the settings
1590 * are valid.
1591 */
1592 if (ia64_platform_is("sn2")) {
1593 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1594 if (IS_QLA23XX(ha))
1595 nv->special_options[1] = BIT_7;
1596 }
1597 #endif
1598
1599 /* Reset Initialization control block */
1600 memset(icb, 0, ha->init_cb_size);
1601
1602 /*
1603 * Setup driver NVRAM options.
1604 */
1605 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1606 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1607 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1608 nv->firmware_options[1] &= ~BIT_4;
1609
1610 if (IS_QLA23XX(ha)) {
1611 nv->firmware_options[0] |= BIT_2;
1612 nv->firmware_options[0] &= ~BIT_3;
1613 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1614
1615 if (IS_QLA2300(ha)) {
1616 if (ha->fb_rev == FPM_2310) {
1617 strcpy(ha->model_number, "QLA2310");
1618 } else {
1619 strcpy(ha->model_number, "QLA2300");
1620 }
1621 } else {
1622 qla2x00_set_model_info(ha, nv->model_number,
1623 sizeof(nv->model_number), "QLA23xx");
1624 }
1625 } else if (IS_QLA2200(ha)) {
1626 nv->firmware_options[0] |= BIT_2;
1627 /*
1628 * 'Point-to-point preferred, else loop' is not a safe
1629 * connection mode setting.
1630 */
1631 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1632 (BIT_5 | BIT_4)) {
1633 /* Force 'loop preferred, else point-to-point'. */
1634 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1635 nv->add_firmware_options[0] |= BIT_5;
1636 }
1637 strcpy(ha->model_number, "QLA22xx");
1638 } else /*if (IS_QLA2100(ha))*/ {
1639 strcpy(ha->model_number, "QLA2100");
1640 }
1641
1642 /*
1643 * Copy over NVRAM RISC parameter block to initialization control block.
1644 */
1645 dptr1 = (uint8_t *)icb;
1646 dptr2 = (uint8_t *)&nv->parameter_block_version;
1647 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1648 while (cnt--)
1649 *dptr1++ = *dptr2++;
1650
1651 /* Copy 2nd half. */
1652 dptr1 = (uint8_t *)icb->add_firmware_options;
1653 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1654 while (cnt--)
1655 *dptr1++ = *dptr2++;
1656
1657 /* Use alternate WWN? */
1658 if (nv->host_p[1] & BIT_7) {
1659 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1660 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1661 }
1662
1663 /* Prepare nodename */
1664 if ((icb->firmware_options[1] & BIT_6) == 0) {
1665 /*
1666 * Firmware will apply the following mask if the nodename was
1667 * not provided.
1668 */
1669 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1670 icb->node_name[0] &= 0xF0;
1671 }
1672
1673 /*
1674 * Set host adapter parameters.
1675 */
1676 if (nv->host_p[0] & BIT_7)
1677 ql2xextended_error_logging = 1;
1678 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1679 /* Always load RISC code on non ISP2[12]00 chips. */
1680 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1681 ha->flags.disable_risc_code_load = 0;
1682 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1683 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1684 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1685 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1686 ha->flags.disable_serdes = 0;
1687
1688 ha->operating_mode =
1689 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1690
1691 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1692 sizeof(ha->fw_seriallink_options));
1693
1694 /* save HBA serial number */
1695 ha->serial0 = icb->port_name[5];
1696 ha->serial1 = icb->port_name[6];
1697 ha->serial2 = icb->port_name[7];
1698 ha->node_name = icb->node_name;
1699 ha->port_name = icb->port_name;
1700
1701 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1702
1703 ha->retry_count = nv->retry_count;
1704
1705 /* Set minimum login_timeout to 4 seconds. */
1706 if (nv->login_timeout < ql2xlogintimeout)
1707 nv->login_timeout = ql2xlogintimeout;
1708 if (nv->login_timeout < 4)
1709 nv->login_timeout = 4;
1710 ha->login_timeout = nv->login_timeout;
1711 icb->login_timeout = nv->login_timeout;
1712
1713 /* Set minimum RATOV to 200 tenths of a second. */
1714 ha->r_a_tov = 200;
1715
1716 ha->loop_reset_delay = nv->reset_delay;
1717
1718 /* Link Down Timeout = 0:
1719 *
1720 * When Port Down timer expires we will start returning
1721 * I/O's to OS with "DID_NO_CONNECT".
1722 *
1723 * Link Down Timeout != 0:
1724 *
1725 * The driver waits for the link to come up after link down
1726 * before returning I/Os to OS with "DID_NO_CONNECT".
1727 */
1728 if (nv->link_down_timeout == 0) {
1729 ha->loop_down_abort_time =
1730 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1731 } else {
1732 ha->link_down_timeout = nv->link_down_timeout;
1733 ha->loop_down_abort_time =
1734 (LOOP_DOWN_TIME - ha->link_down_timeout);
1735 }
1736
1737 /*
1738 * Need enough time to try and get the port back.
1739 */
1740 ha->port_down_retry_count = nv->port_down_retry_count;
1741 if (qlport_down_retry)
1742 ha->port_down_retry_count = qlport_down_retry;
1743 /* Set login_retry_count */
1744 ha->login_retry_count = nv->retry_count;
1745 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1746 ha->port_down_retry_count > 3)
1747 ha->login_retry_count = ha->port_down_retry_count;
1748 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1749 ha->login_retry_count = ha->port_down_retry_count;
1750 if (ql2xloginretrycount)
1751 ha->login_retry_count = ql2xloginretrycount;
1752
1753 icb->lun_enables = __constant_cpu_to_le16(0);
1754 icb->command_resource_count = 0;
1755 icb->immediate_notify_resource_count = 0;
1756 icb->timeout = __constant_cpu_to_le16(0);
1757
1758 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1759 /* Enable RIO */
1760 icb->firmware_options[0] &= ~BIT_3;
1761 icb->add_firmware_options[0] &=
1762 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1763 icb->add_firmware_options[0] |= BIT_2;
1764 icb->response_accumulation_timer = 3;
1765 icb->interrupt_delay_timer = 5;
1766
1767 ha->flags.process_response_queue = 1;
1768 } else {
1769 /* Enable ZIO. */
1770 if (!ha->flags.init_done) {
1771 ha->zio_mode = icb->add_firmware_options[0] &
1772 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1773 ha->zio_timer = icb->interrupt_delay_timer ?
1774 icb->interrupt_delay_timer: 2;
1775 }
1776 icb->add_firmware_options[0] &=
1777 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1778 ha->flags.process_response_queue = 0;
1779 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1780 ha->zio_mode = QLA_ZIO_MODE_6;
1781
1782 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1783 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1784 ha->zio_timer * 100));
1785 qla_printk(KERN_INFO, ha,
1786 "ZIO mode %d enabled; timer delay (%d us).\n",
1787 ha->zio_mode, ha->zio_timer * 100);
1788
1789 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1790 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1791 ha->flags.process_response_queue = 1;
1792 }
1793 }
1794
1795 if (rval) {
1796 DEBUG2_3(printk(KERN_WARNING
1797 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1798 }
1799 return (rval);
1800 }
1801
1802 static void
1803 qla2x00_rport_del(void *data)
1804 {
1805 fc_port_t *fcport = data;
1806 struct fc_rport *rport;
1807 unsigned long flags;
1808
1809 spin_lock_irqsave(&fcport->rport_lock, flags);
1810 rport = fcport->drport;
1811 fcport->drport = NULL;
1812 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1813 if (rport)
1814 fc_remote_port_delete(rport);
1815 }
1816
1817 /**
1818 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1819 * @ha: HA context
1820 * @flags: allocation flags
1821 *
1822 * Returns a pointer to the allocated fcport, or NULL, if none available.
1823 */
1824 static fc_port_t *
1825 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1826 {
1827 fc_port_t *fcport;
1828
1829 fcport = kzalloc(sizeof(fc_port_t), flags);
1830 if (!fcport)
1831 return NULL;
1832
1833 /* Setup fcport template structure. */
1834 fcport->ha = ha;
1835 fcport->vp_idx = ha->vp_idx;
1836 fcport->port_type = FCT_UNKNOWN;
1837 fcport->loop_id = FC_NO_LOOP_ID;
1838 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1839 fcport->flags = FCF_RLC_SUPPORT;
1840 fcport->supported_classes = FC_COS_UNSPECIFIED;
1841 spin_lock_init(&fcport->rport_lock);
1842
1843 return fcport;
1844 }
1845
1846 /*
1847 * qla2x00_configure_loop
1848 * Updates Fibre Channel Device Database with what is actually on loop.
1849 *
1850 * Input:
1851 * ha = adapter block pointer.
1852 *
1853 * Returns:
1854 * 0 = success.
1855 * 1 = error.
1856 * 2 = database was full and device was not configured.
1857 */
1858 static int
1859 qla2x00_configure_loop(scsi_qla_host_t *ha)
1860 {
1861 int rval;
1862 unsigned long flags, save_flags;
1863
1864 rval = QLA_SUCCESS;
1865
1866 /* Get Initiator ID */
1867 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1868 rval = qla2x00_configure_hba(ha);
1869 if (rval != QLA_SUCCESS) {
1870 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1871 ha->host_no));
1872 return (rval);
1873 }
1874 }
1875
1876 save_flags = flags = ha->dpc_flags;
1877 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1878 ha->host_no, flags));
1879
1880 /*
1881 * If we have both an RSCN and PORT UPDATE pending then handle them
1882 * both at the same time.
1883 */
1884 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1885 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1886
1887 /* Determine what we need to do */
1888 if (ha->current_topology == ISP_CFG_FL &&
1889 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1890
1891 ha->flags.rscn_queue_overflow = 1;
1892 set_bit(RSCN_UPDATE, &flags);
1893
1894 } else if (ha->current_topology == ISP_CFG_F &&
1895 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1896
1897 ha->flags.rscn_queue_overflow = 1;
1898 set_bit(RSCN_UPDATE, &flags);
1899 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1900
1901 } else if (ha->current_topology == ISP_CFG_N) {
1902 clear_bit(RSCN_UPDATE, &flags);
1903
1904 } else if (!ha->flags.online ||
1905 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1906
1907 ha->flags.rscn_queue_overflow = 1;
1908 set_bit(RSCN_UPDATE, &flags);
1909 set_bit(LOCAL_LOOP_UPDATE, &flags);
1910 }
1911
1912 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1913 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1914 rval = QLA_FUNCTION_FAILED;
1915 } else {
1916 rval = qla2x00_configure_local_loop(ha);
1917 }
1918 }
1919
1920 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1921 if (LOOP_TRANSITION(ha)) {
1922 rval = QLA_FUNCTION_FAILED;
1923 } else {
1924 rval = qla2x00_configure_fabric(ha);
1925 }
1926 }
1927
1928 if (rval == QLA_SUCCESS) {
1929 if (atomic_read(&ha->loop_down_timer) ||
1930 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1931 rval = QLA_FUNCTION_FAILED;
1932 } else {
1933 atomic_set(&ha->loop_state, LOOP_READY);
1934
1935 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1936 }
1937 }
1938
1939 if (rval) {
1940 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1941 __func__, ha->host_no));
1942 } else {
1943 DEBUG3(printk("%s: exiting normally\n", __func__));
1944 }
1945
1946 /* Restore state if a resync event occured during processing */
1947 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1948 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1949 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1950 if (test_bit(RSCN_UPDATE, &save_flags))
1951 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1952 }
1953
1954 return (rval);
1955 }
1956
1957
1958
1959 /*
1960 * qla2x00_configure_local_loop
1961 * Updates Fibre Channel Device Database with local loop devices.
1962 *
1963 * Input:
1964 * ha = adapter block pointer.
1965 *
1966 * Returns:
1967 * 0 = success.
1968 */
1969 static int
1970 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1971 {
1972 int rval, rval2;
1973 int found_devs;
1974 int found;
1975 fc_port_t *fcport, *new_fcport;
1976
1977 uint16_t index;
1978 uint16_t entries;
1979 char *id_iter;
1980 uint16_t loop_id;
1981 uint8_t domain, area, al_pa;
1982 scsi_qla_host_t *pha = to_qla_parent(ha);
1983
1984 found_devs = 0;
1985 new_fcport = NULL;
1986 entries = MAX_FIBRE_DEVICES;
1987
1988 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1989 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1990
1991 /* Get list of logged in devices. */
1992 memset(ha->gid_list, 0, GID_LIST_SIZE);
1993 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1994 &entries);
1995 if (rval != QLA_SUCCESS)
1996 goto cleanup_allocation;
1997
1998 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1999 ha->host_no, entries));
2000 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2001 entries * sizeof(struct gid_list_info)));
2002
2003 /* Allocate temporary fcport for any new fcports discovered. */
2004 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2005 if (new_fcport == NULL) {
2006 rval = QLA_MEMORY_ALLOC_FAILED;
2007 goto cleanup_allocation;
2008 }
2009 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2010
2011 /*
2012 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2013 */
2014 list_for_each_entry(fcport, &pha->fcports, list) {
2015 if (fcport->vp_idx != ha->vp_idx)
2016 continue;
2017
2018 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2019 fcport->port_type != FCT_BROADCAST &&
2020 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2021
2022 DEBUG(printk("scsi(%ld): Marking port lost, "
2023 "loop_id=0x%04x\n",
2024 ha->host_no, fcport->loop_id));
2025
2026 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2027 fcport->flags &= ~FCF_FARP_DONE;
2028 }
2029 }
2030
2031 /* Add devices to port list. */
2032 id_iter = (char *)ha->gid_list;
2033 for (index = 0; index < entries; index++) {
2034 domain = ((struct gid_list_info *)id_iter)->domain;
2035 area = ((struct gid_list_info *)id_iter)->area;
2036 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2037 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2038 loop_id = (uint16_t)
2039 ((struct gid_list_info *)id_iter)->loop_id_2100;
2040 else
2041 loop_id = le16_to_cpu(
2042 ((struct gid_list_info *)id_iter)->loop_id);
2043 id_iter += ha->gid_list_info_size;
2044
2045 /* Bypass reserved domain fields. */
2046 if ((domain & 0xf0) == 0xf0)
2047 continue;
2048
2049 /* Bypass if not same domain and area of adapter. */
2050 if (area && domain &&
2051 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2052 continue;
2053
2054 /* Bypass invalid local loop ID. */
2055 if (loop_id > LAST_LOCAL_LOOP_ID)
2056 continue;
2057
2058 /* Fill in member data. */
2059 new_fcport->d_id.b.domain = domain;
2060 new_fcport->d_id.b.area = area;
2061 new_fcport->d_id.b.al_pa = al_pa;
2062 new_fcport->loop_id = loop_id;
2063 new_fcport->vp_idx = ha->vp_idx;
2064 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2065 if (rval2 != QLA_SUCCESS) {
2066 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2067 "information -- get_port_database=%x, "
2068 "loop_id=0x%04x\n",
2069 ha->host_no, rval2, new_fcport->loop_id));
2070 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2071 ha->host_no));
2072 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2073 continue;
2074 }
2075
2076 /* Check for matching device in port list. */
2077 found = 0;
2078 fcport = NULL;
2079 list_for_each_entry(fcport, &pha->fcports, list) {
2080 if (fcport->vp_idx != ha->vp_idx)
2081 continue;
2082
2083 if (memcmp(new_fcport->port_name, fcport->port_name,
2084 WWN_SIZE))
2085 continue;
2086
2087 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2088 FCF_PERSISTENT_BOUND);
2089 fcport->loop_id = new_fcport->loop_id;
2090 fcport->port_type = new_fcport->port_type;
2091 fcport->d_id.b24 = new_fcport->d_id.b24;
2092 memcpy(fcport->node_name, new_fcport->node_name,
2093 WWN_SIZE);
2094
2095 found++;
2096 break;
2097 }
2098
2099 if (!found) {
2100 /* New device, add to fcports list. */
2101 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2102 if (ha->parent) {
2103 new_fcport->ha = ha;
2104 new_fcport->vp_idx = ha->vp_idx;
2105 list_add_tail(&new_fcport->vp_fcport,
2106 &ha->vp_fcports);
2107 }
2108 list_add_tail(&new_fcport->list, &pha->fcports);
2109
2110 /* Allocate a new replacement fcport. */
2111 fcport = new_fcport;
2112 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2113 if (new_fcport == NULL) {
2114 rval = QLA_MEMORY_ALLOC_FAILED;
2115 goto cleanup_allocation;
2116 }
2117 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2118 }
2119
2120 /* Base iIDMA settings on HBA port speed. */
2121 fcport->fp_speed = ha->link_data_rate;
2122
2123 qla2x00_update_fcport(ha, fcport);
2124
2125 found_devs++;
2126 }
2127
2128 cleanup_allocation:
2129 kfree(new_fcport);
2130
2131 if (rval != QLA_SUCCESS) {
2132 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2133 "rval=%x\n", ha->host_no, rval));
2134 }
2135
2136 if (found_devs) {
2137 ha->device_flags |= DFLG_LOCAL_DEVICES;
2138 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2139 }
2140
2141 return (rval);
2142 }
2143
2144 static void
2145 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2146 {
2147 fc_port_t *fcport;
2148
2149 qla2x00_mark_all_devices_lost(ha, 0);
2150 list_for_each_entry(fcport, &ha->fcports, list) {
2151 if (fcport->port_type != FCT_TARGET)
2152 continue;
2153
2154 qla2x00_update_fcport(ha, fcport);
2155 }
2156 }
2157
2158 static void
2159 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2160 {
2161 #define LS_UNKNOWN 2
2162 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2163 int rval;
2164 uint16_t mb[6];
2165
2166 if (!IS_IIDMA_CAPABLE(ha))
2167 return;
2168
2169 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2170 fcport->fp_speed > ha->link_data_rate)
2171 return;
2172
2173 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2174 mb);
2175 if (rval != QLA_SUCCESS) {
2176 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2177 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2178 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2179 fcport->port_name[2], fcport->port_name[3],
2180 fcport->port_name[4], fcport->port_name[5],
2181 fcport->port_name[6], fcport->port_name[7], rval,
2182 fcport->fp_speed, mb[0], mb[1]));
2183 } else {
2184 DEBUG2(qla_printk(KERN_INFO, ha,
2185 "iIDMA adjusted to %s GB/s on "
2186 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2187 link_speeds[fcport->fp_speed], fcport->port_name[0],
2188 fcport->port_name[1], fcport->port_name[2],
2189 fcport->port_name[3], fcport->port_name[4],
2190 fcport->port_name[5], fcport->port_name[6],
2191 fcport->port_name[7]));
2192 }
2193 }
2194
2195 static void
2196 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2197 {
2198 struct fc_rport_identifiers rport_ids;
2199 struct fc_rport *rport;
2200 unsigned long flags;
2201
2202 if (fcport->drport)
2203 qla2x00_rport_del(fcport);
2204 if (fcport->rport)
2205 return;
2206
2207 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2208 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2209 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2210 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2211 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2212 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2213 if (!rport) {
2214 qla_printk(KERN_WARNING, ha,
2215 "Unable to allocate fc remote port!\n");
2216 return;
2217 }
2218 spin_lock_irqsave(&fcport->rport_lock, flags);
2219 fcport->rport = rport;
2220 *((fc_port_t **)rport->dd_data) = fcport;
2221 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2222
2223 rport->supported_classes = fcport->supported_classes;
2224
2225 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2226 if (fcport->port_type == FCT_INITIATOR)
2227 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2228 if (fcport->port_type == FCT_TARGET)
2229 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2230 fc_remote_port_rolechg(rport, rport_ids.roles);
2231
2232 if (rport->scsi_target_id != -1 &&
2233 rport->scsi_target_id < ha->host->max_id)
2234 fcport->os_target_id = rport->scsi_target_id;
2235 }
2236
2237 /*
2238 * qla2x00_update_fcport
2239 * Updates device on list.
2240 *
2241 * Input:
2242 * ha = adapter block pointer.
2243 * fcport = port structure pointer.
2244 *
2245 * Return:
2246 * 0 - Success
2247 * BIT_0 - error
2248 *
2249 * Context:
2250 * Kernel context.
2251 */
2252 void
2253 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2254 {
2255 scsi_qla_host_t *pha = to_qla_parent(ha);
2256
2257 fcport->ha = ha;
2258 fcport->login_retry = 0;
2259 fcport->port_login_retry_count = pha->port_down_retry_count *
2260 PORT_RETRY_TIME;
2261 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2262 PORT_RETRY_TIME);
2263 fcport->flags &= ~FCF_LOGIN_NEEDED;
2264
2265 qla2x00_iidma_fcport(ha, fcport);
2266
2267 atomic_set(&fcport->state, FCS_ONLINE);
2268
2269 qla2x00_reg_remote_port(ha, fcport);
2270 }
2271
2272 /*
2273 * qla2x00_configure_fabric
2274 * Setup SNS devices with loop ID's.
2275 *
2276 * Input:
2277 * ha = adapter block pointer.
2278 *
2279 * Returns:
2280 * 0 = success.
2281 * BIT_0 = error
2282 */
2283 static int
2284 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2285 {
2286 int rval, rval2;
2287 fc_port_t *fcport, *fcptemp;
2288 uint16_t next_loopid;
2289 uint16_t mb[MAILBOX_REGISTER_COUNT];
2290 uint16_t loop_id;
2291 LIST_HEAD(new_fcports);
2292 scsi_qla_host_t *pha = to_qla_parent(ha);
2293
2294 /* If FL port exists, then SNS is present */
2295 if (IS_FWI2_CAPABLE(ha))
2296 loop_id = NPH_F_PORT;
2297 else
2298 loop_id = SNS_FL_PORT;
2299 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2300 if (rval != QLA_SUCCESS) {
2301 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2302 "Port\n", ha->host_no));
2303
2304 ha->device_flags &= ~SWITCH_FOUND;
2305 return (QLA_SUCCESS);
2306 }
2307 ha->device_flags |= SWITCH_FOUND;
2308
2309 /* Mark devices that need re-synchronization. */
2310 rval2 = qla2x00_device_resync(ha);
2311 if (rval2 == QLA_RSCNS_HANDLED) {
2312 /* No point doing the scan, just continue. */
2313 return (QLA_SUCCESS);
2314 }
2315 do {
2316 /* FDMI support. */
2317 if (ql2xfdmienable &&
2318 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2319 qla2x00_fdmi_register(ha);
2320
2321 /* Ensure we are logged into the SNS. */
2322 if (IS_FWI2_CAPABLE(ha))
2323 loop_id = NPH_SNS;
2324 else
2325 loop_id = SIMPLE_NAME_SERVER;
2326 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2327 0xfc, mb, BIT_1 | BIT_0);
2328 if (mb[0] != MBS_COMMAND_COMPLETE) {
2329 DEBUG2(qla_printk(KERN_INFO, ha,
2330 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2331 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2332 mb[0], mb[1], mb[2], mb[6], mb[7]));
2333 return (QLA_SUCCESS);
2334 }
2335
2336 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2337 if (qla2x00_rft_id(ha)) {
2338 /* EMPTY */
2339 DEBUG2(printk("scsi(%ld): Register FC-4 "
2340 "TYPE failed.\n", ha->host_no));
2341 }
2342 if (qla2x00_rff_id(ha)) {
2343 /* EMPTY */
2344 DEBUG2(printk("scsi(%ld): Register FC-4 "
2345 "Features failed.\n", ha->host_no));
2346 }
2347 if (qla2x00_rnn_id(ha)) {
2348 /* EMPTY */
2349 DEBUG2(printk("scsi(%ld): Register Node Name "
2350 "failed.\n", ha->host_no));
2351 } else if (qla2x00_rsnn_nn(ha)) {
2352 /* EMPTY */
2353 DEBUG2(printk("scsi(%ld): Register Symbolic "
2354 "Node Name failed.\n", ha->host_no));
2355 }
2356 }
2357
2358 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2359 if (rval != QLA_SUCCESS)
2360 break;
2361
2362 /*
2363 * Logout all previous fabric devices marked lost, except
2364 * tape devices.
2365 */
2366 list_for_each_entry(fcport, &pha->fcports, list) {
2367 if (fcport->vp_idx !=ha->vp_idx)
2368 continue;
2369
2370 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2371 break;
2372
2373 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2374 continue;
2375
2376 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2377 qla2x00_mark_device_lost(ha, fcport,
2378 ql2xplogiabsentdevice, 0);
2379 if (fcport->loop_id != FC_NO_LOOP_ID &&
2380 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2381 fcport->port_type != FCT_INITIATOR &&
2382 fcport->port_type != FCT_BROADCAST) {
2383 ha->isp_ops->fabric_logout(ha,
2384 fcport->loop_id,
2385 fcport->d_id.b.domain,
2386 fcport->d_id.b.area,
2387 fcport->d_id.b.al_pa);
2388 fcport->loop_id = FC_NO_LOOP_ID;
2389 }
2390 }
2391 }
2392
2393 /* Starting free loop ID. */
2394 next_loopid = pha->min_external_loopid;
2395
2396 /*
2397 * Scan through our port list and login entries that need to be
2398 * logged in.
2399 */
2400 list_for_each_entry(fcport, &pha->fcports, list) {
2401 if (fcport->vp_idx != ha->vp_idx)
2402 continue;
2403
2404 if (atomic_read(&ha->loop_down_timer) ||
2405 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2406 break;
2407
2408 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2409 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2410 continue;
2411
2412 if (fcport->loop_id == FC_NO_LOOP_ID) {
2413 fcport->loop_id = next_loopid;
2414 rval = qla2x00_find_new_loop_id(ha, fcport);
2415 if (rval != QLA_SUCCESS) {
2416 /* Ran out of IDs to use */
2417 break;
2418 }
2419 }
2420 /* Login and update database */
2421 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2422 }
2423
2424 /* Exit if out of loop IDs. */
2425 if (rval != QLA_SUCCESS) {
2426 break;
2427 }
2428
2429 /*
2430 * Login and add the new devices to our port list.
2431 */
2432 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2433 if (atomic_read(&ha->loop_down_timer) ||
2434 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2435 break;
2436
2437 /* Find a new loop ID to use. */
2438 fcport->loop_id = next_loopid;
2439 rval = qla2x00_find_new_loop_id(ha, fcport);
2440 if (rval != QLA_SUCCESS) {
2441 /* Ran out of IDs to use */
2442 break;
2443 }
2444
2445 /* Login and update database */
2446 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2447
2448 if (ha->parent) {
2449 fcport->ha = ha;
2450 fcport->vp_idx = ha->vp_idx;
2451 list_add_tail(&fcport->vp_fcport,
2452 &ha->vp_fcports);
2453 list_move_tail(&fcport->list,
2454 &ha->parent->fcports);
2455 } else
2456 list_move_tail(&fcport->list, &ha->fcports);
2457 }
2458 } while (0);
2459
2460 /* Free all new device structures not processed. */
2461 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2462 list_del(&fcport->list);
2463 kfree(fcport);
2464 }
2465
2466 if (rval) {
2467 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2468 "rval=%d\n", ha->host_no, rval));
2469 }
2470
2471 return (rval);
2472 }
2473
2474
2475 /*
2476 * qla2x00_find_all_fabric_devs
2477 *
2478 * Input:
2479 * ha = adapter block pointer.
2480 * dev = database device entry pointer.
2481 *
2482 * Returns:
2483 * 0 = success.
2484 *
2485 * Context:
2486 * Kernel context.
2487 */
2488 static int
2489 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2490 {
2491 int rval;
2492 uint16_t loop_id;
2493 fc_port_t *fcport, *new_fcport, *fcptemp;
2494 int found;
2495
2496 sw_info_t *swl;
2497 int swl_idx;
2498 int first_dev, last_dev;
2499 port_id_t wrap, nxt_d_id;
2500 int vp_index;
2501 int empty_vp_index;
2502 int found_vp;
2503 scsi_qla_host_t *vha;
2504 scsi_qla_host_t *pha = to_qla_parent(ha);
2505
2506 rval = QLA_SUCCESS;
2507
2508 /* Try GID_PT to get device list, else GAN. */
2509 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2510 if (!swl) {
2511 /*EMPTY*/
2512 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2513 "on GA_NXT\n", ha->host_no));
2514 } else {
2515 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2516 kfree(swl);
2517 swl = NULL;
2518 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2519 kfree(swl);
2520 swl = NULL;
2521 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2522 kfree(swl);
2523 swl = NULL;
2524 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2525 qla2x00_gpsc(ha, swl);
2526 }
2527 }
2528 swl_idx = 0;
2529
2530 /* Allocate temporary fcport for any new fcports discovered. */
2531 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2532 if (new_fcport == NULL) {
2533 kfree(swl);
2534 return (QLA_MEMORY_ALLOC_FAILED);
2535 }
2536 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2537 new_fcport->vp_idx = ha->vp_idx;
2538 /* Set start port ID scan at adapter ID. */
2539 first_dev = 1;
2540 last_dev = 0;
2541
2542 /* Starting free loop ID. */
2543 loop_id = pha->min_external_loopid;
2544 for (; loop_id <= ha->last_loop_id; loop_id++) {
2545 if (qla2x00_is_reserved_id(ha, loop_id))
2546 continue;
2547
2548 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2549 break;
2550
2551 if (swl != NULL) {
2552 if (last_dev) {
2553 wrap.b24 = new_fcport->d_id.b24;
2554 } else {
2555 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2556 memcpy(new_fcport->node_name,
2557 swl[swl_idx].node_name, WWN_SIZE);
2558 memcpy(new_fcport->port_name,
2559 swl[swl_idx].port_name, WWN_SIZE);
2560 memcpy(new_fcport->fabric_port_name,
2561 swl[swl_idx].fabric_port_name, WWN_SIZE);
2562 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2563
2564 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2565 last_dev = 1;
2566 }
2567 swl_idx++;
2568 }
2569 } else {
2570 /* Send GA_NXT to the switch */
2571 rval = qla2x00_ga_nxt(ha, new_fcport);
2572 if (rval != QLA_SUCCESS) {
2573 qla_printk(KERN_WARNING, ha,
2574 "SNS scan failed -- assuming zero-entry "
2575 "result...\n");
2576 list_for_each_entry_safe(fcport, fcptemp,
2577 new_fcports, list) {
2578 list_del(&fcport->list);
2579 kfree(fcport);
2580 }
2581 rval = QLA_SUCCESS;
2582 break;
2583 }
2584 }
2585
2586 /* If wrap on switch device list, exit. */
2587 if (first_dev) {
2588 wrap.b24 = new_fcport->d_id.b24;
2589 first_dev = 0;
2590 } else if (new_fcport->d_id.b24 == wrap.b24) {
2591 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2592 ha->host_no, new_fcport->d_id.b.domain,
2593 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2594 break;
2595 }
2596
2597 /* Bypass if same physical adapter. */
2598 if (new_fcport->d_id.b24 == pha->d_id.b24)
2599 continue;
2600
2601 /* Bypass virtual ports of the same host. */
2602 if (pha->num_vhosts) {
2603 for_each_mapped_vp_idx(pha, vp_index) {
2604 empty_vp_index = 1;
2605 found_vp = 0;
2606 list_for_each_entry(vha, &pha->vp_list,
2607 vp_list) {
2608 if (vp_index == vha->vp_idx) {
2609 empty_vp_index = 0;
2610 found_vp = 1;
2611 break;
2612 }
2613 }
2614
2615 if (empty_vp_index)
2616 continue;
2617
2618 if (found_vp &&
2619 new_fcport->d_id.b24 == vha->d_id.b24)
2620 break;
2621 }
2622
2623 if (vp_index <= pha->max_npiv_vports)
2624 continue;
2625 }
2626
2627 /* Bypass if same domain and area of adapter. */
2628 if (((new_fcport->d_id.b24 & 0xffff00) ==
2629 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2630 ISP_CFG_FL)
2631 continue;
2632
2633 /* Bypass reserved domain fields. */
2634 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2635 continue;
2636
2637 /* Locate matching device in database. */
2638 found = 0;
2639 list_for_each_entry(fcport, &pha->fcports, list) {
2640 if (new_fcport->vp_idx != fcport->vp_idx)
2641 continue;
2642 if (memcmp(new_fcport->port_name, fcport->port_name,
2643 WWN_SIZE))
2644 continue;
2645
2646 found++;
2647
2648 /* Update port state. */
2649 memcpy(fcport->fabric_port_name,
2650 new_fcport->fabric_port_name, WWN_SIZE);
2651 fcport->fp_speed = new_fcport->fp_speed;
2652
2653 /*
2654 * If address the same and state FCS_ONLINE, nothing
2655 * changed.
2656 */
2657 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2658 atomic_read(&fcport->state) == FCS_ONLINE) {
2659 break;
2660 }
2661
2662 /*
2663 * If device was not a fabric device before.
2664 */
2665 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2666 fcport->d_id.b24 = new_fcport->d_id.b24;
2667 fcport->loop_id = FC_NO_LOOP_ID;
2668 fcport->flags |= (FCF_FABRIC_DEVICE |
2669 FCF_LOGIN_NEEDED);
2670 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2671 break;
2672 }
2673
2674 /*
2675 * Port ID changed or device was marked to be updated;
2676 * Log it out if still logged in and mark it for
2677 * relogin later.
2678 */
2679 fcport->d_id.b24 = new_fcport->d_id.b24;
2680 fcport->flags |= FCF_LOGIN_NEEDED;
2681 if (fcport->loop_id != FC_NO_LOOP_ID &&
2682 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2683 fcport->port_type != FCT_INITIATOR &&
2684 fcport->port_type != FCT_BROADCAST) {
2685 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2686 fcport->d_id.b.domain, fcport->d_id.b.area,
2687 fcport->d_id.b.al_pa);
2688 fcport->loop_id = FC_NO_LOOP_ID;
2689 }
2690
2691 break;
2692 }
2693
2694 if (found)
2695 continue;
2696
2697 /* If device was not in our fcports list, then add it. */
2698 list_add_tail(&new_fcport->list, new_fcports);
2699
2700 /* Allocate a new replacement fcport. */
2701 nxt_d_id.b24 = new_fcport->d_id.b24;
2702 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2703 if (new_fcport == NULL) {
2704 kfree(swl);
2705 return (QLA_MEMORY_ALLOC_FAILED);
2706 }
2707 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2708 new_fcport->d_id.b24 = nxt_d_id.b24;
2709 new_fcport->vp_idx = ha->vp_idx;
2710 }
2711
2712 kfree(swl);
2713 kfree(new_fcport);
2714
2715 if (!list_empty(new_fcports))
2716 ha->device_flags |= DFLG_FABRIC_DEVICES;
2717
2718 return (rval);
2719 }
2720
2721 /*
2722 * qla2x00_find_new_loop_id
2723 * Scan through our port list and find a new usable loop ID.
2724 *
2725 * Input:
2726 * ha: adapter state pointer.
2727 * dev: port structure pointer.
2728 *
2729 * Returns:
2730 * qla2x00 local function return status code.
2731 *
2732 * Context:
2733 * Kernel context.
2734 */
2735 static int
2736 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2737 {
2738 int rval;
2739 int found;
2740 fc_port_t *fcport;
2741 uint16_t first_loop_id;
2742 scsi_qla_host_t *pha = to_qla_parent(ha);
2743
2744 rval = QLA_SUCCESS;
2745
2746 /* Save starting loop ID. */
2747 first_loop_id = dev->loop_id;
2748
2749 for (;;) {
2750 /* Skip loop ID if already used by adapter. */
2751 if (dev->loop_id == ha->loop_id) {
2752 dev->loop_id++;
2753 }
2754
2755 /* Skip reserved loop IDs. */
2756 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2757 dev->loop_id++;
2758 }
2759
2760 /* Reset loop ID if passed the end. */
2761 if (dev->loop_id > ha->last_loop_id) {
2762 /* first loop ID. */
2763 dev->loop_id = ha->min_external_loopid;
2764 }
2765
2766 /* Check for loop ID being already in use. */
2767 found = 0;
2768 fcport = NULL;
2769 list_for_each_entry(fcport, &pha->fcports, list) {
2770 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2771 /* ID possibly in use */
2772 found++;
2773 break;
2774 }
2775 }
2776
2777 /* If not in use then it is free to use. */
2778 if (!found) {
2779 break;
2780 }
2781
2782 /* ID in use. Try next value. */
2783 dev->loop_id++;
2784
2785 /* If wrap around. No free ID to use. */
2786 if (dev->loop_id == first_loop_id) {
2787 dev->loop_id = FC_NO_LOOP_ID;
2788 rval = QLA_FUNCTION_FAILED;
2789 break;
2790 }
2791 }
2792
2793 return (rval);
2794 }
2795
2796 /*
2797 * qla2x00_device_resync
2798 * Marks devices in the database that needs resynchronization.
2799 *
2800 * Input:
2801 * ha = adapter block pointer.
2802 *
2803 * Context:
2804 * Kernel context.
2805 */
2806 static int
2807 qla2x00_device_resync(scsi_qla_host_t *ha)
2808 {
2809 int rval;
2810 uint32_t mask;
2811 fc_port_t *fcport;
2812 uint32_t rscn_entry;
2813 uint8_t rscn_out_iter;
2814 uint8_t format;
2815 port_id_t d_id;
2816 scsi_qla_host_t *pha = to_qla_parent(ha);
2817
2818 rval = QLA_RSCNS_HANDLED;
2819
2820 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2821 ha->flags.rscn_queue_overflow) {
2822
2823 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2824 format = MSB(MSW(rscn_entry));
2825 d_id.b.domain = LSB(MSW(rscn_entry));
2826 d_id.b.area = MSB(LSW(rscn_entry));
2827 d_id.b.al_pa = LSB(LSW(rscn_entry));
2828
2829 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2830 "[%02x/%02x%02x%02x].\n",
2831 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2832 d_id.b.area, d_id.b.al_pa));
2833
2834 ha->rscn_out_ptr++;
2835 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2836 ha->rscn_out_ptr = 0;
2837
2838 /* Skip duplicate entries. */
2839 for (rscn_out_iter = ha->rscn_out_ptr;
2840 !ha->flags.rscn_queue_overflow &&
2841 rscn_out_iter != ha->rscn_in_ptr;
2842 rscn_out_iter = (rscn_out_iter ==
2843 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2844
2845 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2846 break;
2847
2848 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2849 "entry found at [%d].\n", ha->host_no,
2850 rscn_out_iter));
2851
2852 ha->rscn_out_ptr = rscn_out_iter;
2853 }
2854
2855 /* Queue overflow, set switch default case. */
2856 if (ha->flags.rscn_queue_overflow) {
2857 DEBUG(printk("scsi(%ld): device_resync: rscn "
2858 "overflow.\n", ha->host_no));
2859
2860 format = 3;
2861 ha->flags.rscn_queue_overflow = 0;
2862 }
2863
2864 switch (format) {
2865 case 0:
2866 mask = 0xffffff;
2867 break;
2868 case 1:
2869 mask = 0xffff00;
2870 break;
2871 case 2:
2872 mask = 0xff0000;
2873 break;
2874 default:
2875 mask = 0x0;
2876 d_id.b24 = 0;
2877 ha->rscn_out_ptr = ha->rscn_in_ptr;
2878 break;
2879 }
2880
2881 rval = QLA_SUCCESS;
2882
2883 list_for_each_entry(fcport, &pha->fcports, list) {
2884 if (fcport->vp_idx != ha->vp_idx)
2885 continue;
2886
2887 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2888 (fcport->d_id.b24 & mask) != d_id.b24 ||
2889 fcport->port_type == FCT_BROADCAST)
2890 continue;
2891
2892 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2893 if (format != 3 ||
2894 fcport->port_type != FCT_INITIATOR) {
2895 qla2x00_mark_device_lost(ha, fcport,
2896 0, 0);
2897 }
2898 }
2899 fcport->flags &= ~FCF_FARP_DONE;
2900 }
2901 }
2902 return (rval);
2903 }
2904
2905 /*
2906 * qla2x00_fabric_dev_login
2907 * Login fabric target device and update FC port database.
2908 *
2909 * Input:
2910 * ha: adapter state pointer.
2911 * fcport: port structure list pointer.
2912 * next_loopid: contains value of a new loop ID that can be used
2913 * by the next login attempt.
2914 *
2915 * Returns:
2916 * qla2x00 local function return status code.
2917 *
2918 * Context:
2919 * Kernel context.
2920 */
2921 static int
2922 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2923 uint16_t *next_loopid)
2924 {
2925 int rval;
2926 int retry;
2927 uint8_t opts;
2928
2929 rval = QLA_SUCCESS;
2930 retry = 0;
2931
2932 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2933 if (rval == QLA_SUCCESS) {
2934 /* Send an ADISC to tape devices.*/
2935 opts = 0;
2936 if (fcport->flags & FCF_TAPE_PRESENT)
2937 opts |= BIT_1;
2938 rval = qla2x00_get_port_database(ha, fcport, opts);
2939 if (rval != QLA_SUCCESS) {
2940 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2941 fcport->d_id.b.domain, fcport->d_id.b.area,
2942 fcport->d_id.b.al_pa);
2943 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2944 } else {
2945 qla2x00_update_fcport(ha, fcport);
2946 }
2947 }
2948
2949 return (rval);
2950 }
2951
2952 /*
2953 * qla2x00_fabric_login
2954 * Issue fabric login command.
2955 *
2956 * Input:
2957 * ha = adapter block pointer.
2958 * device = pointer to FC device type structure.
2959 *
2960 * Returns:
2961 * 0 - Login successfully
2962 * 1 - Login failed
2963 * 2 - Initiator device
2964 * 3 - Fatal error
2965 */
2966 int
2967 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2968 uint16_t *next_loopid)
2969 {
2970 int rval;
2971 int retry;
2972 uint16_t tmp_loopid;
2973 uint16_t mb[MAILBOX_REGISTER_COUNT];
2974
2975 retry = 0;
2976 tmp_loopid = 0;
2977
2978 for (;;) {
2979 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2980 "for port %02x%02x%02x.\n",
2981 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2982 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2983
2984 /* Login fcport on switch. */
2985 ha->isp_ops->fabric_login(ha, fcport->loop_id,
2986 fcport->d_id.b.domain, fcport->d_id.b.area,
2987 fcport->d_id.b.al_pa, mb, BIT_0);
2988 if (mb[0] == MBS_PORT_ID_USED) {
2989 /*
2990 * Device has another loop ID. The firmware team
2991 * recommends the driver perform an implicit login with
2992 * the specified ID again. The ID we just used is save
2993 * here so we return with an ID that can be tried by
2994 * the next login.
2995 */
2996 retry++;
2997 tmp_loopid = fcport->loop_id;
2998 fcport->loop_id = mb[1];
2999
3000 DEBUG(printk("Fabric Login: port in use - next "
3001 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3002 fcport->loop_id, fcport->d_id.b.domain,
3003 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3004
3005 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3006 /*
3007 * Login succeeded.
3008 */
3009 if (retry) {
3010 /* A retry occurred before. */
3011 *next_loopid = tmp_loopid;
3012 } else {
3013 /*
3014 * No retry occurred before. Just increment the
3015 * ID value for next login.
3016 */
3017 *next_loopid = (fcport->loop_id + 1);
3018 }
3019
3020 if (mb[1] & BIT_0) {
3021 fcport->port_type = FCT_INITIATOR;
3022 } else {
3023 fcport->port_type = FCT_TARGET;
3024 if (mb[1] & BIT_1) {
3025 fcport->flags |= FCF_TAPE_PRESENT;
3026 }
3027 }
3028
3029 if (mb[10] & BIT_0)
3030 fcport->supported_classes |= FC_COS_CLASS2;
3031 if (mb[10] & BIT_1)
3032 fcport->supported_classes |= FC_COS_CLASS3;
3033
3034 rval = QLA_SUCCESS;
3035 break;
3036 } else if (mb[0] == MBS_LOOP_ID_USED) {
3037 /*
3038 * Loop ID already used, try next loop ID.
3039 */
3040 fcport->loop_id++;
3041 rval = qla2x00_find_new_loop_id(ha, fcport);
3042 if (rval != QLA_SUCCESS) {
3043 /* Ran out of loop IDs to use */
3044 break;
3045 }
3046 } else if (mb[0] == MBS_COMMAND_ERROR) {
3047 /*
3048 * Firmware possibly timed out during login. If NO
3049 * retries are left to do then the device is declared
3050 * dead.
3051 */
3052 *next_loopid = fcport->loop_id;
3053 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3054 fcport->d_id.b.domain, fcport->d_id.b.area,
3055 fcport->d_id.b.al_pa);
3056 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3057
3058 rval = 1;
3059 break;
3060 } else {
3061 /*
3062 * unrecoverable / not handled error
3063 */
3064 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3065 "loop_id=%x jiffies=%lx.\n",
3066 __func__, ha->host_no, mb[0],
3067 fcport->d_id.b.domain, fcport->d_id.b.area,
3068 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3069
3070 *next_loopid = fcport->loop_id;
3071 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3072 fcport->d_id.b.domain, fcport->d_id.b.area,
3073 fcport->d_id.b.al_pa);
3074 fcport->loop_id = FC_NO_LOOP_ID;
3075 fcport->login_retry = 0;
3076
3077 rval = 3;
3078 break;
3079 }
3080 }
3081
3082 return (rval);
3083 }
3084
3085 /*
3086 * qla2x00_local_device_login
3087 * Issue local device login command.
3088 *
3089 * Input:
3090 * ha = adapter block pointer.
3091 * loop_id = loop id of device to login to.
3092 *
3093 * Returns (Where's the #define!!!!):
3094 * 0 - Login successfully
3095 * 1 - Login failed
3096 * 3 - Fatal error
3097 */
3098 int
3099 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3100 {
3101 int rval;
3102 uint16_t mb[MAILBOX_REGISTER_COUNT];
3103
3104 memset(mb, 0, sizeof(mb));
3105 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3106 if (rval == QLA_SUCCESS) {
3107 /* Interrogate mailbox registers for any errors */
3108 if (mb[0] == MBS_COMMAND_ERROR)
3109 rval = 1;
3110 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3111 /* device not in PCB table */
3112 rval = 3;
3113 }
3114
3115 return (rval);
3116 }
3117
3118 /*
3119 * qla2x00_loop_resync
3120 * Resync with fibre channel devices.
3121 *
3122 * Input:
3123 * ha = adapter block pointer.
3124 *
3125 * Returns:
3126 * 0 = success
3127 */
3128 int
3129 qla2x00_loop_resync(scsi_qla_host_t *ha)
3130 {
3131 int rval;
3132 uint32_t wait_time;
3133
3134 rval = QLA_SUCCESS;
3135
3136 atomic_set(&ha->loop_state, LOOP_UPDATE);
3137 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3138 if (ha->flags.online) {
3139 if (!(rval = qla2x00_fw_ready(ha))) {
3140 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3141 wait_time = 256;
3142 do {
3143 atomic_set(&ha->loop_state, LOOP_UPDATE);
3144
3145 /* Issue a marker after FW becomes ready. */
3146 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3147 ha->marker_needed = 0;
3148
3149 /* Remap devices on Loop. */
3150 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3151
3152 qla2x00_configure_loop(ha);
3153 wait_time--;
3154 } while (!atomic_read(&ha->loop_down_timer) &&
3155 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3156 wait_time &&
3157 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3158 }
3159 }
3160
3161 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3162 return (QLA_FUNCTION_FAILED);
3163 }
3164
3165 if (rval) {
3166 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3167 }
3168
3169 return (rval);
3170 }
3171
3172 void
3173 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3174 {
3175 int rescan_done;
3176 fc_port_t *fcport;
3177
3178 rescan_done = 0;
3179 list_for_each_entry(fcport, &ha->fcports, list) {
3180 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3181 continue;
3182
3183 qla2x00_update_fcport(ha, fcport);
3184 fcport->flags &= ~FCF_RESCAN_NEEDED;
3185
3186 rescan_done = 1;
3187 }
3188 qla2x00_probe_for_all_luns(ha);
3189 }
3190
3191 void
3192 qla2x00_update_fcports(scsi_qla_host_t *ha)
3193 {
3194 fc_port_t *fcport;
3195
3196 /* Go with deferred removal of rport references. */
3197 list_for_each_entry(fcport, &ha->fcports, list)
3198 if (fcport->drport)
3199 qla2x00_rport_del(fcport);
3200 }
3201
3202 /*
3203 * qla2x00_abort_isp
3204 * Resets ISP and aborts all outstanding commands.
3205 *
3206 * Input:
3207 * ha = adapter block pointer.
3208 *
3209 * Returns:
3210 * 0 = success
3211 */
3212 int
3213 qla2x00_abort_isp(scsi_qla_host_t *ha)
3214 {
3215 int rval;
3216 unsigned long flags = 0;
3217 uint16_t cnt;
3218 srb_t *sp;
3219 uint8_t status = 0;
3220
3221 if (ha->flags.online) {
3222 ha->flags.online = 0;
3223 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3224
3225 qla_printk(KERN_INFO, ha,
3226 "Performing ISP error recovery - ha= %p.\n", ha);
3227 ha->isp_ops->reset_chip(ha);
3228
3229 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3230 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3231 atomic_set(&ha->loop_state, LOOP_DOWN);
3232 qla2x00_mark_all_devices_lost(ha, 0);
3233 } else {
3234 if (!atomic_read(&ha->loop_down_timer))
3235 atomic_set(&ha->loop_down_timer,
3236 LOOP_DOWN_TIME);
3237 }
3238
3239 spin_lock_irqsave(&ha->hardware_lock, flags);
3240 /* Requeue all commands in outstanding command list. */
3241 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3242 sp = ha->outstanding_cmds[cnt];
3243 if (sp) {
3244 ha->outstanding_cmds[cnt] = NULL;
3245 sp->flags = 0;
3246 sp->cmd->result = DID_RESET << 16;
3247 sp->cmd->host_scribble = (unsigned char *)NULL;
3248 qla2x00_sp_compl(ha, sp);
3249 }
3250 }
3251 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3252
3253 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3254
3255 ha->isp_ops->nvram_config(ha);
3256
3257 if (!qla2x00_restart_isp(ha)) {
3258 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3259
3260 if (!atomic_read(&ha->loop_down_timer)) {
3261 /*
3262 * Issue marker command only when we are going
3263 * to start the I/O .
3264 */
3265 ha->marker_needed = 1;
3266 }
3267
3268 ha->flags.online = 1;
3269
3270 ha->isp_ops->enable_intrs(ha);
3271
3272 ha->isp_abort_cnt = 0;
3273 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3274
3275 if (ha->eft) {
3276 rval = qla2x00_enable_eft_trace(ha,
3277 ha->eft_dma, EFT_NUM_BUFFERS);
3278 if (rval) {
3279 qla_printk(KERN_WARNING, ha,
3280 "Unable to reinitialize EFT "
3281 "(%d).\n", rval);
3282 }
3283 }
3284
3285 if (ha->fce) {
3286 ha->flags.fce_enabled = 1;
3287 memset(ha->fce, 0,
3288 fce_calc_size(ha->fce_bufs));
3289 rval = qla2x00_enable_fce_trace(ha,
3290 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3291 &ha->fce_bufs);
3292 if (rval) {
3293 qla_printk(KERN_WARNING, ha,
3294 "Unable to reinitialize FCE "
3295 "(%d).\n", rval);
3296 ha->flags.fce_enabled = 0;
3297 }
3298 }
3299 } else { /* failed the ISP abort */
3300 ha->flags.online = 1;
3301 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3302 if (ha->isp_abort_cnt == 0) {
3303 qla_printk(KERN_WARNING, ha,
3304 "ISP error recovery failed - "
3305 "board disabled\n");
3306 /*
3307 * The next call disables the board
3308 * completely.
3309 */
3310 ha->isp_ops->reset_adapter(ha);
3311 ha->flags.online = 0;
3312 clear_bit(ISP_ABORT_RETRY,
3313 &ha->dpc_flags);
3314 status = 0;
3315 } else { /* schedule another ISP abort */
3316 ha->isp_abort_cnt--;
3317 DEBUG(printk("qla%ld: ISP abort - "
3318 "retry remaining %d\n",
3319 ha->host_no, ha->isp_abort_cnt));
3320 status = 1;
3321 }
3322 } else {
3323 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3324 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3325 "- retrying (%d) more times\n",
3326 ha->host_no, ha->isp_abort_cnt));
3327 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3328 status = 1;
3329 }
3330 }
3331
3332 }
3333
3334 if (status) {
3335 qla_printk(KERN_INFO, ha,
3336 "qla2x00_abort_isp: **** FAILED ****\n");
3337 } else {
3338 DEBUG(printk(KERN_INFO
3339 "qla2x00_abort_isp(%ld): exiting.\n",
3340 ha->host_no));
3341 }
3342
3343 return(status);
3344 }
3345
3346 /*
3347 * qla2x00_restart_isp
3348 * restarts the ISP after a reset
3349 *
3350 * Input:
3351 * ha = adapter block pointer.
3352 *
3353 * Returns:
3354 * 0 = success
3355 */
3356 static int
3357 qla2x00_restart_isp(scsi_qla_host_t *ha)
3358 {
3359 uint8_t status = 0;
3360 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3361 unsigned long flags = 0;
3362 uint32_t wait_time;
3363
3364 /* If firmware needs to be loaded */
3365 if (qla2x00_isp_firmware(ha)) {
3366 ha->flags.online = 0;
3367 if (!(status = ha->isp_ops->chip_diag(ha))) {
3368 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3369 status = qla2x00_setup_chip(ha);
3370 goto done;
3371 }
3372
3373 spin_lock_irqsave(&ha->hardware_lock, flags);
3374
3375 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3376 !IS_QLA25XX(ha)) {
3377 /*
3378 * Disable SRAM, Instruction RAM and GP RAM
3379 * parity.
3380 */
3381 WRT_REG_WORD(&reg->hccr,
3382 (HCCR_ENABLE_PARITY + 0x0));
3383 RD_REG_WORD(&reg->hccr);
3384 }
3385
3386 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3387
3388 status = qla2x00_setup_chip(ha);
3389
3390 spin_lock_irqsave(&ha->hardware_lock, flags);
3391
3392 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3393 !IS_QLA25XX(ha)) {
3394 /* Enable proper parity */
3395 if (IS_QLA2300(ha))
3396 /* SRAM parity */
3397 WRT_REG_WORD(&reg->hccr,
3398 (HCCR_ENABLE_PARITY + 0x1));
3399 else
3400 /*
3401 * SRAM, Instruction RAM and GP RAM
3402 * parity.
3403 */
3404 WRT_REG_WORD(&reg->hccr,
3405 (HCCR_ENABLE_PARITY + 0x7));
3406 RD_REG_WORD(&reg->hccr);
3407 }
3408
3409 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3410 }
3411 }
3412
3413 done:
3414 if (!status && !(status = qla2x00_init_rings(ha))) {
3415 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3416 if (!(status = qla2x00_fw_ready(ha))) {
3417 DEBUG(printk("%s(): Start configure loop, "
3418 "status = %d\n", __func__, status));
3419
3420 /* Issue a marker after FW becomes ready. */
3421 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3422
3423 ha->flags.online = 1;
3424 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3425 wait_time = 256;
3426 do {
3427 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3428 qla2x00_configure_loop(ha);
3429 wait_time--;
3430 } while (!atomic_read(&ha->loop_down_timer) &&
3431 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3432 wait_time &&
3433 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3434 }
3435
3436 /* if no cable then assume it's good */
3437 if ((ha->device_flags & DFLG_NO_CABLE))
3438 status = 0;
3439
3440 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3441 __func__,
3442 status));
3443 }
3444 return (status);
3445 }
3446
3447 /*
3448 * qla2x00_reset_adapter
3449 * Reset adapter.
3450 *
3451 * Input:
3452 * ha = adapter block pointer.
3453 */
3454 void
3455 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3456 {
3457 unsigned long flags = 0;
3458 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3459
3460 ha->flags.online = 0;
3461 ha->isp_ops->disable_intrs(ha);
3462
3463 spin_lock_irqsave(&ha->hardware_lock, flags);
3464 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3465 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3466 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3467 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3468 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3469 }
3470
3471 void
3472 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3473 {
3474 unsigned long flags = 0;
3475 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3476
3477 ha->flags.online = 0;
3478 ha->isp_ops->disable_intrs(ha);
3479
3480 spin_lock_irqsave(&ha->hardware_lock, flags);
3481 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3482 RD_REG_DWORD(&reg->hccr);
3483 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3484 RD_REG_DWORD(&reg->hccr);
3485 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3486 }
3487
3488 /* On sparc systems, obtain port and node WWN from firmware
3489 * properties.
3490 */
3491 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3492 {
3493 #ifdef CONFIG_SPARC
3494 struct pci_dev *pdev = ha->pdev;
3495 struct device_node *dp = pci_device_to_OF_node(pdev);
3496 const u8 *val;
3497 int len;
3498
3499 val = of_get_property(dp, "port-wwn", &len);
3500 if (val && len >= WWN_SIZE)
3501 memcpy(nv->port_name, val, WWN_SIZE);
3502
3503 val = of_get_property(dp, "node-wwn", &len);
3504 if (val && len >= WWN_SIZE)
3505 memcpy(nv->node_name, val, WWN_SIZE);
3506 #endif
3507 }
3508
3509 int
3510 qla24xx_nvram_config(scsi_qla_host_t *ha)
3511 {
3512 int rval;
3513 struct init_cb_24xx *icb;
3514 struct nvram_24xx *nv;
3515 uint32_t *dptr;
3516 uint8_t *dptr1, *dptr2;
3517 uint32_t chksum;
3518 uint16_t cnt;
3519
3520 rval = QLA_SUCCESS;
3521 icb = (struct init_cb_24xx *)ha->init_cb;
3522 nv = ha->nvram;
3523
3524 /* Determine NVRAM starting address. */
3525 ha->nvram_size = sizeof(struct nvram_24xx);
3526 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3527 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3528 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3529 if (PCI_FUNC(ha->pdev->devfn)) {
3530 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3531 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3532 }
3533
3534 /* Get VPD data into cache */
3535 ha->vpd = ha->nvram + VPD_OFFSET;
3536 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3537 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3538
3539 /* Get NVRAM data into cache and calculate checksum. */
3540 dptr = (uint32_t *)nv;
3541 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3542 ha->nvram_size);
3543 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3544 chksum += le32_to_cpu(*dptr++);
3545
3546 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3547 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3548
3549 /* Bad NVRAM data, set defaults parameters. */
3550 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3551 || nv->id[3] != ' ' ||
3552 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3553 /* Reset NVRAM data. */
3554 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3555 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3556 le16_to_cpu(nv->nvram_version));
3557 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3558 "invalid -- WWPN) defaults.\n");
3559
3560 /*
3561 * Set default initialization control block.
3562 */
3563 memset(nv, 0, ha->nvram_size);
3564 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3565 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3566 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3567 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3568 nv->exchange_count = __constant_cpu_to_le16(0);
3569 nv->hard_address = __constant_cpu_to_le16(124);
3570 nv->port_name[0] = 0x21;
3571 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3572 nv->port_name[2] = 0x00;
3573 nv->port_name[3] = 0xe0;
3574 nv->port_name[4] = 0x8b;
3575 nv->port_name[5] = 0x1c;
3576 nv->port_name[6] = 0x55;
3577 nv->port_name[7] = 0x86;
3578 nv->node_name[0] = 0x20;
3579 nv->node_name[1] = 0x00;
3580 nv->node_name[2] = 0x00;
3581 nv->node_name[3] = 0xe0;
3582 nv->node_name[4] = 0x8b;
3583 nv->node_name[5] = 0x1c;
3584 nv->node_name[6] = 0x55;
3585 nv->node_name[7] = 0x86;
3586 qla24xx_nvram_wwn_from_ofw(ha, nv);
3587 nv->login_retry_count = __constant_cpu_to_le16(8);
3588 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3589 nv->login_timeout = __constant_cpu_to_le16(0);
3590 nv->firmware_options_1 =
3591 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3592 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3593 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3594 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3595 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3596 nv->efi_parameters = __constant_cpu_to_le32(0);
3597 nv->reset_delay = 5;
3598 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3599 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3600 nv->link_down_timeout = __constant_cpu_to_le16(30);
3601
3602 rval = 1;
3603 }
3604
3605 /* Reset Initialization control block */
3606 memset(icb, 0, sizeof(struct init_cb_24xx));
3607
3608 /* Copy 1st segment. */
3609 dptr1 = (uint8_t *)icb;
3610 dptr2 = (uint8_t *)&nv->version;
3611 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3612 while (cnt--)
3613 *dptr1++ = *dptr2++;
3614
3615 icb->login_retry_count = nv->login_retry_count;
3616 icb->link_down_on_nos = nv->link_down_on_nos;
3617
3618 /* Copy 2nd segment. */
3619 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3620 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3621 cnt = (uint8_t *)&icb->reserved_3 -
3622 (uint8_t *)&icb->interrupt_delay_timer;
3623 while (cnt--)
3624 *dptr1++ = *dptr2++;
3625
3626 /*
3627 * Setup driver NVRAM options.
3628 */
3629 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3630 "QLA2462");
3631
3632 /* Use alternate WWN? */
3633 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3634 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3635 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3636 }
3637
3638 /* Prepare nodename */
3639 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3640 /*
3641 * Firmware will apply the following mask if the nodename was
3642 * not provided.
3643 */
3644 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3645 icb->node_name[0] &= 0xF0;
3646 }
3647
3648 /* Set host adapter parameters. */
3649 ha->flags.disable_risc_code_load = 0;
3650 ha->flags.enable_lip_reset = 0;
3651 ha->flags.enable_lip_full_login =
3652 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3653 ha->flags.enable_target_reset =
3654 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3655 ha->flags.enable_led_scheme = 0;
3656 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3657
3658 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3659 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3660
3661 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3662 sizeof(ha->fw_seriallink_options24));
3663
3664 /* save HBA serial number */
3665 ha->serial0 = icb->port_name[5];
3666 ha->serial1 = icb->port_name[6];
3667 ha->serial2 = icb->port_name[7];
3668 ha->node_name = icb->node_name;
3669 ha->port_name = icb->port_name;
3670
3671 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3672
3673 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3674
3675 /* Set minimum login_timeout to 4 seconds. */
3676 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3677 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3678 if (le16_to_cpu(nv->login_timeout) < 4)
3679 nv->login_timeout = __constant_cpu_to_le16(4);
3680 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3681 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3682
3683 /* Set minimum RATOV to 200 tenths of a second. */
3684 ha->r_a_tov = 200;
3685
3686 ha->loop_reset_delay = nv->reset_delay;
3687
3688 /* Link Down Timeout = 0:
3689 *
3690 * When Port Down timer expires we will start returning
3691 * I/O's to OS with "DID_NO_CONNECT".
3692 *
3693 * Link Down Timeout != 0:
3694 *
3695 * The driver waits for the link to come up after link down
3696 * before returning I/Os to OS with "DID_NO_CONNECT".
3697 */
3698 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3699 ha->loop_down_abort_time =
3700 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3701 } else {
3702 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3703 ha->loop_down_abort_time =
3704 (LOOP_DOWN_TIME - ha->link_down_timeout);
3705 }
3706
3707 /* Need enough time to try and get the port back. */
3708 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3709 if (qlport_down_retry)
3710 ha->port_down_retry_count = qlport_down_retry;
3711
3712 /* Set login_retry_count */
3713 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3714 if (ha->port_down_retry_count ==
3715 le16_to_cpu(nv->port_down_retry_count) &&
3716 ha->port_down_retry_count > 3)
3717 ha->login_retry_count = ha->port_down_retry_count;
3718 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3719 ha->login_retry_count = ha->port_down_retry_count;
3720 if (ql2xloginretrycount)
3721 ha->login_retry_count = ql2xloginretrycount;
3722
3723 /* Enable ZIO. */
3724 if (!ha->flags.init_done) {
3725 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3726 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3727 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3728 le16_to_cpu(icb->interrupt_delay_timer): 2;
3729 }
3730 icb->firmware_options_2 &= __constant_cpu_to_le32(
3731 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3732 ha->flags.process_response_queue = 0;
3733 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3734 ha->zio_mode = QLA_ZIO_MODE_6;
3735
3736 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3737 "(%d us).\n", ha->host_no, ha->zio_mode,
3738 ha->zio_timer * 100));
3739 qla_printk(KERN_INFO, ha,
3740 "ZIO mode %d enabled; timer delay (%d us).\n",
3741 ha->zio_mode, ha->zio_timer * 100);
3742
3743 icb->firmware_options_2 |= cpu_to_le32(
3744 (uint32_t)ha->zio_mode);
3745 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3746 ha->flags.process_response_queue = 1;
3747 }
3748
3749 if (rval) {
3750 DEBUG2_3(printk(KERN_WARNING
3751 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3752 }
3753 return (rval);
3754 }
3755
3756 static int
3757 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3758 {
3759 int rval;
3760 int segments, fragment;
3761 uint32_t faddr;
3762 uint32_t *dcode, dlen;
3763 uint32_t risc_addr;
3764 uint32_t risc_size;
3765 uint32_t i;
3766
3767 rval = QLA_SUCCESS;
3768
3769 segments = FA_RISC_CODE_SEGMENTS;
3770 faddr = FA_RISC_CODE_ADDR;
3771 dcode = (uint32_t *)ha->request_ring;
3772 *srisc_addr = 0;
3773
3774 /* Validate firmware image by checking version. */
3775 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3776 for (i = 0; i < 4; i++)
3777 dcode[i] = be32_to_cpu(dcode[i]);
3778 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3779 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3780 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3781 dcode[3] == 0)) {
3782 qla_printk(KERN_WARNING, ha,
3783 "Unable to verify integrity of flash firmware image!\n");
3784 qla_printk(KERN_WARNING, ha,
3785 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3786 dcode[1], dcode[2], dcode[3]);
3787
3788 return QLA_FUNCTION_FAILED;
3789 }
3790
3791 while (segments && rval == QLA_SUCCESS) {
3792 /* Read segment's load information. */
3793 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3794
3795 risc_addr = be32_to_cpu(dcode[2]);
3796 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3797 risc_size = be32_to_cpu(dcode[3]);
3798
3799 fragment = 0;
3800 while (risc_size > 0 && rval == QLA_SUCCESS) {
3801 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3802 if (dlen > risc_size)
3803 dlen = risc_size;
3804
3805 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3806 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3807 ha->host_no, risc_addr, dlen, faddr));
3808
3809 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3810 for (i = 0; i < dlen; i++)
3811 dcode[i] = swab32(dcode[i]);
3812
3813 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3814 dlen);
3815 if (rval) {
3816 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3817 "segment %d of firmware\n", ha->host_no,
3818 fragment));
3819 qla_printk(KERN_WARNING, ha,
3820 "[ERROR] Failed to load segment %d of "
3821 "firmware\n", fragment);
3822 break;
3823 }
3824
3825 faddr += dlen;
3826 risc_addr += dlen;
3827 risc_size -= dlen;
3828 fragment++;
3829 }
3830
3831 /* Next segment. */
3832 segments--;
3833 }
3834
3835 return rval;
3836 }
3837
3838 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3839
3840 int
3841 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3842 {
3843 int rval;
3844 int i, fragment;
3845 uint16_t *wcode, *fwcode;
3846 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3847 struct fw_blob *blob;
3848
3849 /* Load firmware blob. */
3850 blob = qla2x00_request_firmware(ha);
3851 if (!blob) {
3852 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3853 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3854 "from: " QLA_FW_URL ".\n");
3855 return QLA_FUNCTION_FAILED;
3856 }
3857
3858 rval = QLA_SUCCESS;
3859
3860 wcode = (uint16_t *)ha->request_ring;
3861 *srisc_addr = 0;
3862 fwcode = (uint16_t *)blob->fw->data;
3863 fwclen = 0;
3864
3865 /* Validate firmware image by checking version. */
3866 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3867 qla_printk(KERN_WARNING, ha,
3868 "Unable to verify integrity of firmware image (%Zd)!\n",
3869 blob->fw->size);
3870 goto fail_fw_integrity;
3871 }
3872 for (i = 0; i < 4; i++)
3873 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3874 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3875 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3876 wcode[2] == 0 && wcode[3] == 0)) {
3877 qla_printk(KERN_WARNING, ha,
3878 "Unable to verify integrity of firmware image!\n");
3879 qla_printk(KERN_WARNING, ha,
3880 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3881 wcode[1], wcode[2], wcode[3]);
3882 goto fail_fw_integrity;
3883 }
3884
3885 seg = blob->segs;
3886 while (*seg && rval == QLA_SUCCESS) {
3887 risc_addr = *seg;
3888 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3889 risc_size = be16_to_cpu(fwcode[3]);
3890
3891 /* Validate firmware image size. */
3892 fwclen += risc_size * sizeof(uint16_t);
3893 if (blob->fw->size < fwclen) {
3894 qla_printk(KERN_WARNING, ha,
3895 "Unable to verify integrity of firmware image "
3896 "(%Zd)!\n", blob->fw->size);
3897 goto fail_fw_integrity;
3898 }
3899
3900 fragment = 0;
3901 while (risc_size > 0 && rval == QLA_SUCCESS) {
3902 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3903 if (wlen > risc_size)
3904 wlen = risc_size;
3905
3906 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3907 "addr %x, number of words 0x%x.\n", ha->host_no,
3908 risc_addr, wlen));
3909
3910 for (i = 0; i < wlen; i++)
3911 wcode[i] = swab16(fwcode[i]);
3912
3913 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3914 wlen);
3915 if (rval) {
3916 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3917 "segment %d of firmware\n", ha->host_no,
3918 fragment));
3919 qla_printk(KERN_WARNING, ha,
3920 "[ERROR] Failed to load segment %d of "
3921 "firmware\n", fragment);
3922 break;
3923 }
3924
3925 fwcode += wlen;
3926 risc_addr += wlen;
3927 risc_size -= wlen;
3928 fragment++;
3929 }
3930
3931 /* Next segment. */
3932 seg++;
3933 }
3934 return rval;
3935
3936 fail_fw_integrity:
3937 return QLA_FUNCTION_FAILED;
3938 }
3939
3940 int
3941 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3942 {
3943 int rval;
3944 int segments, fragment;
3945 uint32_t *dcode, dlen;
3946 uint32_t risc_addr;
3947 uint32_t risc_size;
3948 uint32_t i;
3949 struct fw_blob *blob;
3950 uint32_t *fwcode, fwclen;
3951
3952 /* Load firmware blob. */
3953 blob = qla2x00_request_firmware(ha);
3954 if (!blob) {
3955 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3956 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3957 "from: " QLA_FW_URL ".\n");
3958
3959 /* Try to load RISC code from flash. */
3960 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3961 "outdated) firmware from flash.\n");
3962 return qla24xx_load_risc_flash(ha, srisc_addr);
3963 }
3964
3965 rval = QLA_SUCCESS;
3966
3967 segments = FA_RISC_CODE_SEGMENTS;
3968 dcode = (uint32_t *)ha->request_ring;
3969 *srisc_addr = 0;
3970 fwcode = (uint32_t *)blob->fw->data;
3971 fwclen = 0;
3972
3973 /* Validate firmware image by checking version. */
3974 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3975 qla_printk(KERN_WARNING, ha,
3976 "Unable to verify integrity of firmware image (%Zd)!\n",
3977 blob->fw->size);
3978 goto fail_fw_integrity;
3979 }
3980 for (i = 0; i < 4; i++)
3981 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3982 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3983 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3984 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3985 dcode[3] == 0)) {
3986 qla_printk(KERN_WARNING, ha,
3987 "Unable to verify integrity of firmware image!\n");
3988 qla_printk(KERN_WARNING, ha,
3989 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3990 dcode[1], dcode[2], dcode[3]);
3991 goto fail_fw_integrity;
3992 }
3993
3994 while (segments && rval == QLA_SUCCESS) {
3995 risc_addr = be32_to_cpu(fwcode[2]);
3996 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3997 risc_size = be32_to_cpu(fwcode[3]);
3998
3999 /* Validate firmware image size. */
4000 fwclen += risc_size * sizeof(uint32_t);
4001 if (blob->fw->size < fwclen) {
4002 qla_printk(KERN_WARNING, ha,
4003 "Unable to verify integrity of firmware image "
4004 "(%Zd)!\n", blob->fw->size);
4005
4006 goto fail_fw_integrity;
4007 }
4008
4009 fragment = 0;
4010 while (risc_size > 0 && rval == QLA_SUCCESS) {
4011 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4012 if (dlen > risc_size)
4013 dlen = risc_size;
4014
4015 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4016 "addr %x, number of dwords 0x%x.\n", ha->host_no,
4017 risc_addr, dlen));
4018
4019 for (i = 0; i < dlen; i++)
4020 dcode[i] = swab32(fwcode[i]);
4021
4022 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
4023 dlen);
4024 if (rval) {
4025 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4026 "segment %d of firmware\n", ha->host_no,
4027 fragment));
4028 qla_printk(KERN_WARNING, ha,
4029 "[ERROR] Failed to load segment %d of "
4030 "firmware\n", fragment);
4031 break;
4032 }
4033
4034 fwcode += dlen;
4035 risc_addr += dlen;
4036 risc_size -= dlen;
4037 fragment++;
4038 }
4039
4040 /* Next segment. */
4041 segments--;
4042 }
4043 return rval;
4044
4045 fail_fw_integrity:
4046 return QLA_FUNCTION_FAILED;
4047 }
4048
4049 void
4050 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4051 {
4052 int ret, retries;
4053
4054 if (!IS_FWI2_CAPABLE(ha))
4055 return;
4056 if (!ha->fw_major_version)
4057 return;
4058
4059 ret = qla2x00_stop_firmware(ha);
4060 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4061 qla2x00_reset_chip(ha);
4062 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4063 continue;
4064 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4065 continue;
4066 qla_printk(KERN_INFO, ha,
4067 "Attempting retry of stop-firmware command...\n");
4068 ret = qla2x00_stop_firmware(ha);
4069 }
4070 }
4071
4072 int
4073 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4074 {
4075 int rval = QLA_SUCCESS;
4076 uint16_t mb[MAILBOX_REGISTER_COUNT];
4077
4078 if (!ha->parent)
4079 return -EINVAL;
4080
4081 rval = qla2x00_fw_ready(ha);
4082 if (rval == QLA_SUCCESS) {
4083 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4084 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4085 }
4086
4087 ha->flags.management_server_logged_in = 0;
4088
4089 /* Login to SNS first */
4090 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4091 mb, BIT_1);
4092 if (mb[0] != MBS_COMMAND_COMPLETE) {
4093 DEBUG15(qla_printk(KERN_INFO, ha,
4094 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4095 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4096 mb[0], mb[1], mb[2], mb[6], mb[7]));
4097 return (QLA_FUNCTION_FAILED);
4098 }
4099
4100 atomic_set(&ha->loop_down_timer, 0);
4101 atomic_set(&ha->loop_state, LOOP_UP);
4102 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4103 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4104 rval = qla2x00_loop_resync(ha);
4105
4106 return rval;
4107 }
WRT350N Kernel Patches