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[SCSI] qla2xxx: Correct late-memset() of EFT buffer.
[linux-2.6/zen-sources.git] / drivers / scsi / qla2xxx / qla_init.c
blob7637fa7546b5ba6490e4ea13ad16a2dc677825b9
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 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1197 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1198
1199 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1200 if (rval) {
1201 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1202 ha->host_no));
1203 } else {
1204 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1205 ha->host_no));
1206 }
1207
1208 return (rval);
1209 }
1210
1211 /**
1212 * qla2x00_fw_ready() - Waits for firmware ready.
1213 * @ha: HA context
1214 *
1215 * Returns 0 on success.
1216 */
1217 static int
1218 qla2x00_fw_ready(scsi_qla_host_t *ha)
1219 {
1220 int rval;
1221 unsigned long wtime, mtime;
1222 uint16_t min_wait; /* Minimum wait time if loop is down */
1223 uint16_t wait_time; /* Wait time if loop is coming ready */
1224 uint16_t fw_state;
1225
1226 rval = QLA_SUCCESS;
1227
1228 /* 20 seconds for loop down. */
1229 min_wait = 20;
1230
1231 /*
1232 * Firmware should take at most one RATOV to login, plus 5 seconds for
1233 * our own processing.
1234 */
1235 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1236 wait_time = min_wait;
1237 }
1238
1239 /* Min wait time if loop down */
1240 mtime = jiffies + (min_wait * HZ);
1241
1242 /* wait time before firmware ready */
1243 wtime = jiffies + (wait_time * HZ);
1244
1245 /* Wait for ISP to finish LIP */
1246 if (!ha->flags.init_done)
1247 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1248
1249 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1250 ha->host_no));
1251
1252 do {
1253 rval = qla2x00_get_firmware_state(ha, &fw_state);
1254 if (rval == QLA_SUCCESS) {
1255 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1256 ha->device_flags &= ~DFLG_NO_CABLE;
1257 }
1258 if (fw_state == FSTATE_READY) {
1259 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1260 ha->host_no));
1261
1262 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1263 &ha->login_timeout, &ha->r_a_tov);
1264
1265 rval = QLA_SUCCESS;
1266 break;
1267 }
1268
1269 rval = QLA_FUNCTION_FAILED;
1270
1271 if (atomic_read(&ha->loop_down_timer) &&
1272 fw_state != FSTATE_READY) {
1273 /* Loop down. Timeout on min_wait for states
1274 * other than Wait for Login.
1275 */
1276 if (time_after_eq(jiffies, mtime)) {
1277 qla_printk(KERN_INFO, ha,
1278 "Cable is unplugged...\n");
1279
1280 ha->device_flags |= DFLG_NO_CABLE;
1281 break;
1282 }
1283 }
1284 } else {
1285 /* Mailbox cmd failed. Timeout on min_wait. */
1286 if (time_after_eq(jiffies, mtime))
1287 break;
1288 }
1289
1290 if (time_after_eq(jiffies, wtime))
1291 break;
1292
1293 /* Delay for a while */
1294 msleep(500);
1295
1296 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1297 ha->host_no, fw_state, jiffies));
1298 } while (1);
1299
1300 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1301 ha->host_no, fw_state, jiffies));
1302
1303 if (rval) {
1304 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1305 ha->host_no));
1306 }
1307
1308 return (rval);
1309 }
1310
1311 /*
1312 * qla2x00_configure_hba
1313 * Setup adapter context.
1314 *
1315 * Input:
1316 * ha = adapter state pointer.
1317 *
1318 * Returns:
1319 * 0 = success
1320 *
1321 * Context:
1322 * Kernel context.
1323 */
1324 static int
1325 qla2x00_configure_hba(scsi_qla_host_t *ha)
1326 {
1327 int rval;
1328 uint16_t loop_id;
1329 uint16_t topo;
1330 uint16_t sw_cap;
1331 uint8_t al_pa;
1332 uint8_t area;
1333 uint8_t domain;
1334 char connect_type[22];
1335
1336 /* Get host addresses. */
1337 rval = qla2x00_get_adapter_id(ha,
1338 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1339 if (rval != QLA_SUCCESS) {
1340 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1341 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1342 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1343 __func__, ha->host_no));
1344 } else {
1345 qla_printk(KERN_WARNING, ha,
1346 "ERROR -- Unable to get host loop ID.\n");
1347 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1348 }
1349 return (rval);
1350 }
1351
1352 if (topo == 4) {
1353 qla_printk(KERN_INFO, ha,
1354 "Cannot get topology - retrying.\n");
1355 return (QLA_FUNCTION_FAILED);
1356 }
1357
1358 ha->loop_id = loop_id;
1359
1360 /* initialize */
1361 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1362 ha->operating_mode = LOOP;
1363 ha->switch_cap = 0;
1364
1365 switch (topo) {
1366 case 0:
1367 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1368 ha->host_no));
1369 ha->current_topology = ISP_CFG_NL;
1370 strcpy(connect_type, "(Loop)");
1371 break;
1372
1373 case 1:
1374 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1375 ha->host_no));
1376 ha->switch_cap = sw_cap;
1377 ha->current_topology = ISP_CFG_FL;
1378 strcpy(connect_type, "(FL_Port)");
1379 break;
1380
1381 case 2:
1382 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1383 ha->host_no));
1384 ha->operating_mode = P2P;
1385 ha->current_topology = ISP_CFG_N;
1386 strcpy(connect_type, "(N_Port-to-N_Port)");
1387 break;
1388
1389 case 3:
1390 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1391 ha->host_no));
1392 ha->switch_cap = sw_cap;
1393 ha->operating_mode = P2P;
1394 ha->current_topology = ISP_CFG_F;
1395 strcpy(connect_type, "(F_Port)");
1396 break;
1397
1398 default:
1399 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1400 "Using NL.\n",
1401 ha->host_no, topo));
1402 ha->current_topology = ISP_CFG_NL;
1403 strcpy(connect_type, "(Loop)");
1404 break;
1405 }
1406
1407 /* Save Host port and loop ID. */
1408 /* byte order - Big Endian */
1409 ha->d_id.b.domain = domain;
1410 ha->d_id.b.area = area;
1411 ha->d_id.b.al_pa = al_pa;
1412
1413 if (!ha->flags.init_done)
1414 qla_printk(KERN_INFO, ha,
1415 "Topology - %s, Host Loop address 0x%x\n",
1416 connect_type, ha->loop_id);
1417
1418 if (rval) {
1419 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1420 } else {
1421 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1422 }
1423
1424 return(rval);
1425 }
1426
1427 static inline void
1428 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1429 {
1430 char *st, *en;
1431 uint16_t index;
1432
1433 if (memcmp(model, BINZERO, len) != 0) {
1434 strncpy(ha->model_number, model, len);
1435 st = en = ha->model_number;
1436 en += len - 1;
1437 while (en > st) {
1438 if (*en != 0x20 && *en != 0x00)
1439 break;
1440 *en-- = '\0';
1441 }
1442
1443 index = (ha->pdev->subsystem_device & 0xff);
1444 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1445 index < QLA_MODEL_NAMES)
1446 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1447 } else {
1448 index = (ha->pdev->subsystem_device & 0xff);
1449 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1450 index < QLA_MODEL_NAMES) {
1451 strcpy(ha->model_number,
1452 qla2x00_model_name[index * 2]);
1453 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1454 } else {
1455 strcpy(ha->model_number, def);
1456 }
1457 }
1458 }
1459
1460 /* On sparc systems, obtain port and node WWN from firmware
1461 * properties.
1462 */
1463 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1464 {
1465 #ifdef CONFIG_SPARC
1466 struct pci_dev *pdev = ha->pdev;
1467 struct device_node *dp = pci_device_to_OF_node(pdev);
1468 const u8 *val;
1469 int len;
1470
1471 val = of_get_property(dp, "port-wwn", &len);
1472 if (val && len >= WWN_SIZE)
1473 memcpy(nv->port_name, val, WWN_SIZE);
1474
1475 val = of_get_property(dp, "node-wwn", &len);
1476 if (val && len >= WWN_SIZE)
1477 memcpy(nv->node_name, val, WWN_SIZE);
1478 #endif
1479 }
1480
1481 /*
1482 * NVRAM configuration for ISP 2xxx
1483 *
1484 * Input:
1485 * ha = adapter block pointer.
1486 *
1487 * Output:
1488 * initialization control block in response_ring
1489 * host adapters parameters in host adapter block
1490 *
1491 * Returns:
1492 * 0 = success.
1493 */
1494 int
1495 qla2x00_nvram_config(scsi_qla_host_t *ha)
1496 {
1497 int rval;
1498 uint8_t chksum = 0;
1499 uint16_t cnt;
1500 uint8_t *dptr1, *dptr2;
1501 init_cb_t *icb = ha->init_cb;
1502 nvram_t *nv = ha->nvram;
1503 uint8_t *ptr = ha->nvram;
1504 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1505
1506 rval = QLA_SUCCESS;
1507
1508 /* Determine NVRAM starting address. */
1509 ha->nvram_size = sizeof(nvram_t);
1510 ha->nvram_base = 0;
1511 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1512 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1513 ha->nvram_base = 0x80;
1514
1515 /* Get NVRAM data and calculate checksum. */
1516 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1517 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1518 chksum += *ptr++;
1519
1520 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1521 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1522
1523 /* Bad NVRAM data, set defaults parameters. */
1524 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1525 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1526 /* Reset NVRAM data. */
1527 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1528 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1529 nv->nvram_version);
1530 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1531 "invalid -- WWPN) defaults.\n");
1532
1533 /*
1534 * Set default initialization control block.
1535 */
1536 memset(nv, 0, ha->nvram_size);
1537 nv->parameter_block_version = ICB_VERSION;
1538
1539 if (IS_QLA23XX(ha)) {
1540 nv->firmware_options[0] = BIT_2 | BIT_1;
1541 nv->firmware_options[1] = BIT_7 | BIT_5;
1542 nv->add_firmware_options[0] = BIT_5;
1543 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1544 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1545 nv->special_options[1] = BIT_7;
1546 } else if (IS_QLA2200(ha)) {
1547 nv->firmware_options[0] = BIT_2 | BIT_1;
1548 nv->firmware_options[1] = BIT_7 | BIT_5;
1549 nv->add_firmware_options[0] = BIT_5;
1550 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1551 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1552 } else if (IS_QLA2100(ha)) {
1553 nv->firmware_options[0] = BIT_3 | BIT_1;
1554 nv->firmware_options[1] = BIT_5;
1555 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1556 }
1557
1558 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1559 nv->execution_throttle = __constant_cpu_to_le16(16);
1560 nv->retry_count = 8;
1561 nv->retry_delay = 1;
1562
1563 nv->port_name[0] = 33;
1564 nv->port_name[3] = 224;
1565 nv->port_name[4] = 139;
1566
1567 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1568
1569 nv->login_timeout = 4;
1570
1571 /*
1572 * Set default host adapter parameters
1573 */
1574 nv->host_p[1] = BIT_2;
1575 nv->reset_delay = 5;
1576 nv->port_down_retry_count = 8;
1577 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1578 nv->link_down_timeout = 60;
1579
1580 rval = 1;
1581 }
1582
1583 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1584 /*
1585 * The SN2 does not provide BIOS emulation which means you can't change
1586 * potentially bogus BIOS settings. Force the use of default settings
1587 * for link rate and frame size. Hope that the rest of the settings
1588 * are valid.
1589 */
1590 if (ia64_platform_is("sn2")) {
1591 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1592 if (IS_QLA23XX(ha))
1593 nv->special_options[1] = BIT_7;
1594 }
1595 #endif
1596
1597 /* Reset Initialization control block */
1598 memset(icb, 0, ha->init_cb_size);
1599
1600 /*
1601 * Setup driver NVRAM options.
1602 */
1603 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1604 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1605 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1606 nv->firmware_options[1] &= ~BIT_4;
1607
1608 if (IS_QLA23XX(ha)) {
1609 nv->firmware_options[0] |= BIT_2;
1610 nv->firmware_options[0] &= ~BIT_3;
1611 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1612
1613 if (IS_QLA2300(ha)) {
1614 if (ha->fb_rev == FPM_2310) {
1615 strcpy(ha->model_number, "QLA2310");
1616 } else {
1617 strcpy(ha->model_number, "QLA2300");
1618 }
1619 } else {
1620 qla2x00_set_model_info(ha, nv->model_number,
1621 sizeof(nv->model_number), "QLA23xx");
1622 }
1623 } else if (IS_QLA2200(ha)) {
1624 nv->firmware_options[0] |= BIT_2;
1625 /*
1626 * 'Point-to-point preferred, else loop' is not a safe
1627 * connection mode setting.
1628 */
1629 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1630 (BIT_5 | BIT_4)) {
1631 /* Force 'loop preferred, else point-to-point'. */
1632 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1633 nv->add_firmware_options[0] |= BIT_5;
1634 }
1635 strcpy(ha->model_number, "QLA22xx");
1636 } else /*if (IS_QLA2100(ha))*/ {
1637 strcpy(ha->model_number, "QLA2100");
1638 }
1639
1640 /*
1641 * Copy over NVRAM RISC parameter block to initialization control block.
1642 */
1643 dptr1 = (uint8_t *)icb;
1644 dptr2 = (uint8_t *)&nv->parameter_block_version;
1645 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1646 while (cnt--)
1647 *dptr1++ = *dptr2++;
1648
1649 /* Copy 2nd half. */
1650 dptr1 = (uint8_t *)icb->add_firmware_options;
1651 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1652 while (cnt--)
1653 *dptr1++ = *dptr2++;
1654
1655 /* Use alternate WWN? */
1656 if (nv->host_p[1] & BIT_7) {
1657 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1658 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1659 }
1660
1661 /* Prepare nodename */
1662 if ((icb->firmware_options[1] & BIT_6) == 0) {
1663 /*
1664 * Firmware will apply the following mask if the nodename was
1665 * not provided.
1666 */
1667 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1668 icb->node_name[0] &= 0xF0;
1669 }
1670
1671 /*
1672 * Set host adapter parameters.
1673 */
1674 if (nv->host_p[0] & BIT_7)
1675 ql2xextended_error_logging = 1;
1676 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1677 /* Always load RISC code on non ISP2[12]00 chips. */
1678 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1679 ha->flags.disable_risc_code_load = 0;
1680 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1681 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1682 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1683 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1684 ha->flags.disable_serdes = 0;
1685
1686 ha->operating_mode =
1687 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1688
1689 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1690 sizeof(ha->fw_seriallink_options));
1691
1692 /* save HBA serial number */
1693 ha->serial0 = icb->port_name[5];
1694 ha->serial1 = icb->port_name[6];
1695 ha->serial2 = icb->port_name[7];
1696 ha->node_name = icb->node_name;
1697 ha->port_name = icb->port_name;
1698
1699 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1700
1701 ha->retry_count = nv->retry_count;
1702
1703 /* Set minimum login_timeout to 4 seconds. */
1704 if (nv->login_timeout < ql2xlogintimeout)
1705 nv->login_timeout = ql2xlogintimeout;
1706 if (nv->login_timeout < 4)
1707 nv->login_timeout = 4;
1708 ha->login_timeout = nv->login_timeout;
1709 icb->login_timeout = nv->login_timeout;
1710
1711 /* Set minimum RATOV to 200 tenths of a second. */
1712 ha->r_a_tov = 200;
1713
1714 ha->loop_reset_delay = nv->reset_delay;
1715
1716 /* Link Down Timeout = 0:
1717 *
1718 * When Port Down timer expires we will start returning
1719 * I/O's to OS with "DID_NO_CONNECT".
1720 *
1721 * Link Down Timeout != 0:
1722 *
1723 * The driver waits for the link to come up after link down
1724 * before returning I/Os to OS with "DID_NO_CONNECT".
1725 */
1726 if (nv->link_down_timeout == 0) {
1727 ha->loop_down_abort_time =
1728 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1729 } else {
1730 ha->link_down_timeout = nv->link_down_timeout;
1731 ha->loop_down_abort_time =
1732 (LOOP_DOWN_TIME - ha->link_down_timeout);
1733 }
1734
1735 /*
1736 * Need enough time to try and get the port back.
1737 */
1738 ha->port_down_retry_count = nv->port_down_retry_count;
1739 if (qlport_down_retry)
1740 ha->port_down_retry_count = qlport_down_retry;
1741 /* Set login_retry_count */
1742 ha->login_retry_count = nv->retry_count;
1743 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1744 ha->port_down_retry_count > 3)
1745 ha->login_retry_count = ha->port_down_retry_count;
1746 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1747 ha->login_retry_count = ha->port_down_retry_count;
1748 if (ql2xloginretrycount)
1749 ha->login_retry_count = ql2xloginretrycount;
1750
1751 icb->lun_enables = __constant_cpu_to_le16(0);
1752 icb->command_resource_count = 0;
1753 icb->immediate_notify_resource_count = 0;
1754 icb->timeout = __constant_cpu_to_le16(0);
1755
1756 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1757 /* Enable RIO */
1758 icb->firmware_options[0] &= ~BIT_3;
1759 icb->add_firmware_options[0] &=
1760 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1761 icb->add_firmware_options[0] |= BIT_2;
1762 icb->response_accumulation_timer = 3;
1763 icb->interrupt_delay_timer = 5;
1764
1765 ha->flags.process_response_queue = 1;
1766 } else {
1767 /* Enable ZIO. */
1768 if (!ha->flags.init_done) {
1769 ha->zio_mode = icb->add_firmware_options[0] &
1770 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1771 ha->zio_timer = icb->interrupt_delay_timer ?
1772 icb->interrupt_delay_timer: 2;
1773 }
1774 icb->add_firmware_options[0] &=
1775 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1776 ha->flags.process_response_queue = 0;
1777 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1778 ha->zio_mode = QLA_ZIO_MODE_6;
1779
1780 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1781 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1782 ha->zio_timer * 100));
1783 qla_printk(KERN_INFO, ha,
1784 "ZIO mode %d enabled; timer delay (%d us).\n",
1785 ha->zio_mode, ha->zio_timer * 100);
1786
1787 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1788 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1789 ha->flags.process_response_queue = 1;
1790 }
1791 }
1792
1793 if (rval) {
1794 DEBUG2_3(printk(KERN_WARNING
1795 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1796 }
1797 return (rval);
1798 }
1799
1800 static void
1801 qla2x00_rport_del(void *data)
1802 {
1803 fc_port_t *fcport = data;
1804 struct fc_rport *rport;
1805 unsigned long flags;
1806
1807 spin_lock_irqsave(&fcport->rport_lock, flags);
1808 rport = fcport->drport;
1809 fcport->drport = NULL;
1810 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1811 if (rport)
1812 fc_remote_port_delete(rport);
1813 }
1814
1815 /**
1816 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1817 * @ha: HA context
1818 * @flags: allocation flags
1819 *
1820 * Returns a pointer to the allocated fcport, or NULL, if none available.
1821 */
1822 static fc_port_t *
1823 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1824 {
1825 fc_port_t *fcport;
1826
1827 fcport = kzalloc(sizeof(fc_port_t), flags);
1828 if (!fcport)
1829 return NULL;
1830
1831 /* Setup fcport template structure. */
1832 fcport->ha = ha;
1833 fcport->vp_idx = ha->vp_idx;
1834 fcport->port_type = FCT_UNKNOWN;
1835 fcport->loop_id = FC_NO_LOOP_ID;
1836 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1837 fcport->flags = FCF_RLC_SUPPORT;
1838 fcport->supported_classes = FC_COS_UNSPECIFIED;
1839 spin_lock_init(&fcport->rport_lock);
1840
1841 return fcport;
1842 }
1843
1844 /*
1845 * qla2x00_configure_loop
1846 * Updates Fibre Channel Device Database with what is actually on loop.
1847 *
1848 * Input:
1849 * ha = adapter block pointer.
1850 *
1851 * Returns:
1852 * 0 = success.
1853 * 1 = error.
1854 * 2 = database was full and device was not configured.
1855 */
1856 static int
1857 qla2x00_configure_loop(scsi_qla_host_t *ha)
1858 {
1859 int rval;
1860 unsigned long flags, save_flags;
1861
1862 rval = QLA_SUCCESS;
1863
1864 /* Get Initiator ID */
1865 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1866 rval = qla2x00_configure_hba(ha);
1867 if (rval != QLA_SUCCESS) {
1868 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1869 ha->host_no));
1870 return (rval);
1871 }
1872 }
1873
1874 save_flags = flags = ha->dpc_flags;
1875 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1876 ha->host_no, flags));
1877
1878 /*
1879 * If we have both an RSCN and PORT UPDATE pending then handle them
1880 * both at the same time.
1881 */
1882 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1883 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1884
1885 /* Determine what we need to do */
1886 if (ha->current_topology == ISP_CFG_FL &&
1887 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1888
1889 ha->flags.rscn_queue_overflow = 1;
1890 set_bit(RSCN_UPDATE, &flags);
1891
1892 } else if (ha->current_topology == ISP_CFG_F &&
1893 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1894
1895 ha->flags.rscn_queue_overflow = 1;
1896 set_bit(RSCN_UPDATE, &flags);
1897 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1898
1899 } else if (ha->current_topology == ISP_CFG_N) {
1900 clear_bit(RSCN_UPDATE, &flags);
1901
1902 } else if (!ha->flags.online ||
1903 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1904
1905 ha->flags.rscn_queue_overflow = 1;
1906 set_bit(RSCN_UPDATE, &flags);
1907 set_bit(LOCAL_LOOP_UPDATE, &flags);
1908 }
1909
1910 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1911 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1912 rval = QLA_FUNCTION_FAILED;
1913 } else {
1914 rval = qla2x00_configure_local_loop(ha);
1915 }
1916 }
1917
1918 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1919 if (LOOP_TRANSITION(ha)) {
1920 rval = QLA_FUNCTION_FAILED;
1921 } else {
1922 rval = qla2x00_configure_fabric(ha);
1923 }
1924 }
1925
1926 if (rval == QLA_SUCCESS) {
1927 if (atomic_read(&ha->loop_down_timer) ||
1928 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1929 rval = QLA_FUNCTION_FAILED;
1930 } else {
1931 atomic_set(&ha->loop_state, LOOP_READY);
1932
1933 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1934 }
1935 }
1936
1937 if (rval) {
1938 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1939 __func__, ha->host_no));
1940 } else {
1941 DEBUG3(printk("%s: exiting normally\n", __func__));
1942 }
1943
1944 /* Restore state if a resync event occured during processing */
1945 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1946 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1947 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1948 if (test_bit(RSCN_UPDATE, &save_flags))
1949 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1950 }
1951
1952 return (rval);
1953 }
1954
1955
1956
1957 /*
1958 * qla2x00_configure_local_loop
1959 * Updates Fibre Channel Device Database with local loop devices.
1960 *
1961 * Input:
1962 * ha = adapter block pointer.
1963 *
1964 * Returns:
1965 * 0 = success.
1966 */
1967 static int
1968 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1969 {
1970 int rval, rval2;
1971 int found_devs;
1972 int found;
1973 fc_port_t *fcport, *new_fcport;
1974
1975 uint16_t index;
1976 uint16_t entries;
1977 char *id_iter;
1978 uint16_t loop_id;
1979 uint8_t domain, area, al_pa;
1980 scsi_qla_host_t *pha = to_qla_parent(ha);
1981
1982 found_devs = 0;
1983 new_fcport = NULL;
1984 entries = MAX_FIBRE_DEVICES;
1985
1986 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1987 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1988
1989 /* Get list of logged in devices. */
1990 memset(ha->gid_list, 0, GID_LIST_SIZE);
1991 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1992 &entries);
1993 if (rval != QLA_SUCCESS)
1994 goto cleanup_allocation;
1995
1996 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1997 ha->host_no, entries));
1998 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1999 entries * sizeof(struct gid_list_info)));
2000
2001 /* Allocate temporary fcport for any new fcports discovered. */
2002 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2003 if (new_fcport == NULL) {
2004 rval = QLA_MEMORY_ALLOC_FAILED;
2005 goto cleanup_allocation;
2006 }
2007 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2008
2009 /*
2010 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2011 */
2012 list_for_each_entry(fcport, &pha->fcports, list) {
2013 if (fcport->vp_idx != ha->vp_idx)
2014 continue;
2015
2016 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2017 fcport->port_type != FCT_BROADCAST &&
2018 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2019
2020 DEBUG(printk("scsi(%ld): Marking port lost, "
2021 "loop_id=0x%04x\n",
2022 ha->host_no, fcport->loop_id));
2023
2024 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2025 fcport->flags &= ~FCF_FARP_DONE;
2026 }
2027 }
2028
2029 /* Add devices to port list. */
2030 id_iter = (char *)ha->gid_list;
2031 for (index = 0; index < entries; index++) {
2032 domain = ((struct gid_list_info *)id_iter)->domain;
2033 area = ((struct gid_list_info *)id_iter)->area;
2034 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2035 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2036 loop_id = (uint16_t)
2037 ((struct gid_list_info *)id_iter)->loop_id_2100;
2038 else
2039 loop_id = le16_to_cpu(
2040 ((struct gid_list_info *)id_iter)->loop_id);
2041 id_iter += ha->gid_list_info_size;
2042
2043 /* Bypass reserved domain fields. */
2044 if ((domain & 0xf0) == 0xf0)
2045 continue;
2046
2047 /* Bypass if not same domain and area of adapter. */
2048 if (area && domain &&
2049 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2050 continue;
2051
2052 /* Bypass invalid local loop ID. */
2053 if (loop_id > LAST_LOCAL_LOOP_ID)
2054 continue;
2055
2056 /* Fill in member data. */
2057 new_fcport->d_id.b.domain = domain;
2058 new_fcport->d_id.b.area = area;
2059 new_fcport->d_id.b.al_pa = al_pa;
2060 new_fcport->loop_id = loop_id;
2061 new_fcport->vp_idx = ha->vp_idx;
2062 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2063 if (rval2 != QLA_SUCCESS) {
2064 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2065 "information -- get_port_database=%x, "
2066 "loop_id=0x%04x\n",
2067 ha->host_no, rval2, new_fcport->loop_id));
2068 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2069 ha->host_no));
2070 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2071 continue;
2072 }
2073
2074 /* Check for matching device in port list. */
2075 found = 0;
2076 fcport = NULL;
2077 list_for_each_entry(fcport, &pha->fcports, list) {
2078 if (fcport->vp_idx != ha->vp_idx)
2079 continue;
2080
2081 if (memcmp(new_fcport->port_name, fcport->port_name,
2082 WWN_SIZE))
2083 continue;
2084
2085 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2086 FCF_PERSISTENT_BOUND);
2087 fcport->loop_id = new_fcport->loop_id;
2088 fcport->port_type = new_fcport->port_type;
2089 fcport->d_id.b24 = new_fcport->d_id.b24;
2090 memcpy(fcport->node_name, new_fcport->node_name,
2091 WWN_SIZE);
2092
2093 found++;
2094 break;
2095 }
2096
2097 if (!found) {
2098 /* New device, add to fcports list. */
2099 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2100 if (ha->parent) {
2101 new_fcport->ha = ha;
2102 new_fcport->vp_idx = ha->vp_idx;
2103 list_add_tail(&new_fcport->vp_fcport,
2104 &ha->vp_fcports);
2105 }
2106 list_add_tail(&new_fcport->list, &pha->fcports);
2107
2108 /* Allocate a new replacement fcport. */
2109 fcport = new_fcport;
2110 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2111 if (new_fcport == NULL) {
2112 rval = QLA_MEMORY_ALLOC_FAILED;
2113 goto cleanup_allocation;
2114 }
2115 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2116 }
2117
2118 /* Base iIDMA settings on HBA port speed. */
2119 fcport->fp_speed = ha->link_data_rate;
2120
2121 qla2x00_update_fcport(ha, fcport);
2122
2123 found_devs++;
2124 }
2125
2126 cleanup_allocation:
2127 kfree(new_fcport);
2128
2129 if (rval != QLA_SUCCESS) {
2130 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2131 "rval=%x\n", ha->host_no, rval));
2132 }
2133
2134 if (found_devs) {
2135 ha->device_flags |= DFLG_LOCAL_DEVICES;
2136 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2137 }
2138
2139 return (rval);
2140 }
2141
2142 static void
2143 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2144 {
2145 fc_port_t *fcport;
2146
2147 qla2x00_mark_all_devices_lost(ha, 0);
2148 list_for_each_entry(fcport, &ha->fcports, list) {
2149 if (fcport->port_type != FCT_TARGET)
2150 continue;
2151
2152 qla2x00_update_fcport(ha, fcport);
2153 }
2154 }
2155
2156 static void
2157 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2158 {
2159 #define LS_UNKNOWN 2
2160 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2161 int rval;
2162 uint16_t mb[6];
2163
2164 if (!IS_IIDMA_CAPABLE(ha))
2165 return;
2166
2167 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2168 fcport->fp_speed > ha->link_data_rate)
2169 return;
2170
2171 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2172 mb);
2173 if (rval != QLA_SUCCESS) {
2174 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2175 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2176 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2177 fcport->port_name[2], fcport->port_name[3],
2178 fcport->port_name[4], fcport->port_name[5],
2179 fcport->port_name[6], fcport->port_name[7], rval,
2180 fcport->fp_speed, mb[0], mb[1]));
2181 } else {
2182 DEBUG2(qla_printk(KERN_INFO, ha,
2183 "iIDMA adjusted to %s GB/s on "
2184 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2185 link_speeds[fcport->fp_speed], fcport->port_name[0],
2186 fcport->port_name[1], fcport->port_name[2],
2187 fcport->port_name[3], fcport->port_name[4],
2188 fcport->port_name[5], fcport->port_name[6],
2189 fcport->port_name[7]));
2190 }
2191 }
2192
2193 static void
2194 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2195 {
2196 struct fc_rport_identifiers rport_ids;
2197 struct fc_rport *rport;
2198 unsigned long flags;
2199
2200 if (fcport->drport)
2201 qla2x00_rport_del(fcport);
2202 if (fcport->rport)
2203 return;
2204
2205 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2206 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2207 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2208 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2209 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2210 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2211 if (!rport) {
2212 qla_printk(KERN_WARNING, ha,
2213 "Unable to allocate fc remote port!\n");
2214 return;
2215 }
2216 spin_lock_irqsave(&fcport->rport_lock, flags);
2217 fcport->rport = rport;
2218 *((fc_port_t **)rport->dd_data) = fcport;
2219 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2220
2221 rport->supported_classes = fcport->supported_classes;
2222
2223 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2224 if (fcport->port_type == FCT_INITIATOR)
2225 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2226 if (fcport->port_type == FCT_TARGET)
2227 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2228 fc_remote_port_rolechg(rport, rport_ids.roles);
2229
2230 if (rport->scsi_target_id != -1 &&
2231 rport->scsi_target_id < ha->host->max_id)
2232 fcport->os_target_id = rport->scsi_target_id;
2233 }
2234
2235 /*
2236 * qla2x00_update_fcport
2237 * Updates device on list.
2238 *
2239 * Input:
2240 * ha = adapter block pointer.
2241 * fcport = port structure pointer.
2242 *
2243 * Return:
2244 * 0 - Success
2245 * BIT_0 - error
2246 *
2247 * Context:
2248 * Kernel context.
2249 */
2250 void
2251 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2252 {
2253 scsi_qla_host_t *pha = to_qla_parent(ha);
2254
2255 fcport->ha = ha;
2256 fcport->login_retry = 0;
2257 fcport->port_login_retry_count = pha->port_down_retry_count *
2258 PORT_RETRY_TIME;
2259 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2260 PORT_RETRY_TIME);
2261 fcport->flags &= ~FCF_LOGIN_NEEDED;
2262
2263 qla2x00_iidma_fcport(ha, fcport);
2264
2265 atomic_set(&fcport->state, FCS_ONLINE);
2266
2267 qla2x00_reg_remote_port(ha, fcport);
2268 }
2269
2270 /*
2271 * qla2x00_configure_fabric
2272 * Setup SNS devices with loop ID's.
2273 *
2274 * Input:
2275 * ha = adapter block pointer.
2276 *
2277 * Returns:
2278 * 0 = success.
2279 * BIT_0 = error
2280 */
2281 static int
2282 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2283 {
2284 int rval, rval2;
2285 fc_port_t *fcport, *fcptemp;
2286 uint16_t next_loopid;
2287 uint16_t mb[MAILBOX_REGISTER_COUNT];
2288 uint16_t loop_id;
2289 LIST_HEAD(new_fcports);
2290 scsi_qla_host_t *pha = to_qla_parent(ha);
2291
2292 /* If FL port exists, then SNS is present */
2293 if (IS_FWI2_CAPABLE(ha))
2294 loop_id = NPH_F_PORT;
2295 else
2296 loop_id = SNS_FL_PORT;
2297 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2298 if (rval != QLA_SUCCESS) {
2299 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2300 "Port\n", ha->host_no));
2301
2302 ha->device_flags &= ~SWITCH_FOUND;
2303 return (QLA_SUCCESS);
2304 }
2305 ha->device_flags |= SWITCH_FOUND;
2306
2307 /* Mark devices that need re-synchronization. */
2308 rval2 = qla2x00_device_resync(ha);
2309 if (rval2 == QLA_RSCNS_HANDLED) {
2310 /* No point doing the scan, just continue. */
2311 return (QLA_SUCCESS);
2312 }
2313 do {
2314 /* FDMI support. */
2315 if (ql2xfdmienable &&
2316 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2317 qla2x00_fdmi_register(ha);
2318
2319 /* Ensure we are logged into the SNS. */
2320 if (IS_FWI2_CAPABLE(ha))
2321 loop_id = NPH_SNS;
2322 else
2323 loop_id = SIMPLE_NAME_SERVER;
2324 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2325 0xfc, mb, BIT_1 | BIT_0);
2326 if (mb[0] != MBS_COMMAND_COMPLETE) {
2327 DEBUG2(qla_printk(KERN_INFO, ha,
2328 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2329 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2330 mb[0], mb[1], mb[2], mb[6], mb[7]));
2331 return (QLA_SUCCESS);
2332 }
2333
2334 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2335 if (qla2x00_rft_id(ha)) {
2336 /* EMPTY */
2337 DEBUG2(printk("scsi(%ld): Register FC-4 "
2338 "TYPE failed.\n", ha->host_no));
2339 }
2340 if (qla2x00_rff_id(ha)) {
2341 /* EMPTY */
2342 DEBUG2(printk("scsi(%ld): Register FC-4 "
2343 "Features failed.\n", ha->host_no));
2344 }
2345 if (qla2x00_rnn_id(ha)) {
2346 /* EMPTY */
2347 DEBUG2(printk("scsi(%ld): Register Node Name "
2348 "failed.\n", ha->host_no));
2349 } else if (qla2x00_rsnn_nn(ha)) {
2350 /* EMPTY */
2351 DEBUG2(printk("scsi(%ld): Register Symbolic "
2352 "Node Name failed.\n", ha->host_no));
2353 }
2354 }
2355
2356 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2357 if (rval != QLA_SUCCESS)
2358 break;
2359
2360 /*
2361 * Logout all previous fabric devices marked lost, except
2362 * tape devices.
2363 */
2364 list_for_each_entry(fcport, &pha->fcports, list) {
2365 if (fcport->vp_idx !=ha->vp_idx)
2366 continue;
2367
2368 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2369 break;
2370
2371 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2372 continue;
2373
2374 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2375 qla2x00_mark_device_lost(ha, fcport,
2376 ql2xplogiabsentdevice, 0);
2377 if (fcport->loop_id != FC_NO_LOOP_ID &&
2378 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2379 fcport->port_type != FCT_INITIATOR &&
2380 fcport->port_type != FCT_BROADCAST) {
2381 ha->isp_ops->fabric_logout(ha,
2382 fcport->loop_id,
2383 fcport->d_id.b.domain,
2384 fcport->d_id.b.area,
2385 fcport->d_id.b.al_pa);
2386 fcport->loop_id = FC_NO_LOOP_ID;
2387 }
2388 }
2389 }
2390
2391 /* Starting free loop ID. */
2392 next_loopid = pha->min_external_loopid;
2393
2394 /*
2395 * Scan through our port list and login entries that need to be
2396 * logged in.
2397 */
2398 list_for_each_entry(fcport, &pha->fcports, list) {
2399 if (fcport->vp_idx != ha->vp_idx)
2400 continue;
2401
2402 if (atomic_read(&ha->loop_down_timer) ||
2403 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2404 break;
2405
2406 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2407 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2408 continue;
2409
2410 if (fcport->loop_id == FC_NO_LOOP_ID) {
2411 fcport->loop_id = next_loopid;
2412 rval = qla2x00_find_new_loop_id(ha, fcport);
2413 if (rval != QLA_SUCCESS) {
2414 /* Ran out of IDs to use */
2415 break;
2416 }
2417 }
2418 /* Login and update database */
2419 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2420 }
2421
2422 /* Exit if out of loop IDs. */
2423 if (rval != QLA_SUCCESS) {
2424 break;
2425 }
2426
2427 /*
2428 * Login and add the new devices to our port list.
2429 */
2430 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2431 if (atomic_read(&ha->loop_down_timer) ||
2432 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2433 break;
2434
2435 /* Find a new loop ID to use. */
2436 fcport->loop_id = next_loopid;
2437 rval = qla2x00_find_new_loop_id(ha, fcport);
2438 if (rval != QLA_SUCCESS) {
2439 /* Ran out of IDs to use */
2440 break;
2441 }
2442
2443 /* Login and update database */
2444 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2445
2446 if (ha->parent) {
2447 fcport->ha = ha;
2448 fcport->vp_idx = ha->vp_idx;
2449 list_add_tail(&fcport->vp_fcport,
2450 &ha->vp_fcports);
2451 list_move_tail(&fcport->list,
2452 &ha->parent->fcports);
2453 } else
2454 list_move_tail(&fcport->list, &ha->fcports);
2455 }
2456 } while (0);
2457
2458 /* Free all new device structures not processed. */
2459 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2460 list_del(&fcport->list);
2461 kfree(fcport);
2462 }
2463
2464 if (rval) {
2465 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2466 "rval=%d\n", ha->host_no, rval));
2467 }
2468
2469 return (rval);
2470 }
2471
2472
2473 /*
2474 * qla2x00_find_all_fabric_devs
2475 *
2476 * Input:
2477 * ha = adapter block pointer.
2478 * dev = database device entry pointer.
2479 *
2480 * Returns:
2481 * 0 = success.
2482 *
2483 * Context:
2484 * Kernel context.
2485 */
2486 static int
2487 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2488 {
2489 int rval;
2490 uint16_t loop_id;
2491 fc_port_t *fcport, *new_fcport, *fcptemp;
2492 int found;
2493
2494 sw_info_t *swl;
2495 int swl_idx;
2496 int first_dev, last_dev;
2497 port_id_t wrap, nxt_d_id;
2498 int vp_index;
2499 int empty_vp_index;
2500 int found_vp;
2501 scsi_qla_host_t *vha;
2502 scsi_qla_host_t *pha = to_qla_parent(ha);
2503
2504 rval = QLA_SUCCESS;
2505
2506 /* Try GID_PT to get device list, else GAN. */
2507 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2508 if (!swl) {
2509 /*EMPTY*/
2510 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2511 "on GA_NXT\n", ha->host_no));
2512 } else {
2513 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2514 kfree(swl);
2515 swl = NULL;
2516 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2517 kfree(swl);
2518 swl = NULL;
2519 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2520 kfree(swl);
2521 swl = NULL;
2522 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2523 qla2x00_gpsc(ha, swl);
2524 }
2525 }
2526 swl_idx = 0;
2527
2528 /* Allocate temporary fcport for any new fcports discovered. */
2529 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2530 if (new_fcport == NULL) {
2531 kfree(swl);
2532 return (QLA_MEMORY_ALLOC_FAILED);
2533 }
2534 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2535 new_fcport->vp_idx = ha->vp_idx;
2536 /* Set start port ID scan at adapter ID. */
2537 first_dev = 1;
2538 last_dev = 0;
2539
2540 /* Starting free loop ID. */
2541 loop_id = pha->min_external_loopid;
2542 for (; loop_id <= ha->last_loop_id; loop_id++) {
2543 if (qla2x00_is_reserved_id(ha, loop_id))
2544 continue;
2545
2546 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2547 break;
2548
2549 if (swl != NULL) {
2550 if (last_dev) {
2551 wrap.b24 = new_fcport->d_id.b24;
2552 } else {
2553 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2554 memcpy(new_fcport->node_name,
2555 swl[swl_idx].node_name, WWN_SIZE);
2556 memcpy(new_fcport->port_name,
2557 swl[swl_idx].port_name, WWN_SIZE);
2558 memcpy(new_fcport->fabric_port_name,
2559 swl[swl_idx].fabric_port_name, WWN_SIZE);
2560 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2561
2562 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2563 last_dev = 1;
2564 }
2565 swl_idx++;
2566 }
2567 } else {
2568 /* Send GA_NXT to the switch */
2569 rval = qla2x00_ga_nxt(ha, new_fcport);
2570 if (rval != QLA_SUCCESS) {
2571 qla_printk(KERN_WARNING, ha,
2572 "SNS scan failed -- assuming zero-entry "
2573 "result...\n");
2574 list_for_each_entry_safe(fcport, fcptemp,
2575 new_fcports, list) {
2576 list_del(&fcport->list);
2577 kfree(fcport);
2578 }
2579 rval = QLA_SUCCESS;
2580 break;
2581 }
2582 }
2583
2584 /* If wrap on switch device list, exit. */
2585 if (first_dev) {
2586 wrap.b24 = new_fcport->d_id.b24;
2587 first_dev = 0;
2588 } else if (new_fcport->d_id.b24 == wrap.b24) {
2589 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2590 ha->host_no, new_fcport->d_id.b.domain,
2591 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2592 break;
2593 }
2594
2595 /* Bypass if same physical adapter. */
2596 if (new_fcport->d_id.b24 == pha->d_id.b24)
2597 continue;
2598
2599 /* Bypass virtual ports of the same host. */
2600 if (pha->num_vhosts) {
2601 for_each_mapped_vp_idx(pha, vp_index) {
2602 empty_vp_index = 1;
2603 found_vp = 0;
2604 list_for_each_entry(vha, &pha->vp_list,
2605 vp_list) {
2606 if (vp_index == vha->vp_idx) {
2607 empty_vp_index = 0;
2608 found_vp = 1;
2609 break;
2610 }
2611 }
2612
2613 if (empty_vp_index)
2614 continue;
2615
2616 if (found_vp &&
2617 new_fcport->d_id.b24 == vha->d_id.b24)
2618 break;
2619 }
2620
2621 if (vp_index <= pha->max_npiv_vports)
2622 continue;
2623 }
2624
2625 /* Bypass if same domain and area of adapter. */
2626 if (((new_fcport->d_id.b24 & 0xffff00) ==
2627 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2628 ISP_CFG_FL)
2629 continue;
2630
2631 /* Bypass reserved domain fields. */
2632 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2633 continue;
2634
2635 /* Locate matching device in database. */
2636 found = 0;
2637 list_for_each_entry(fcport, &pha->fcports, list) {
2638 if (new_fcport->vp_idx != fcport->vp_idx)
2639 continue;
2640 if (memcmp(new_fcport->port_name, fcport->port_name,
2641 WWN_SIZE))
2642 continue;
2643
2644 found++;
2645
2646 /* Update port state. */
2647 memcpy(fcport->fabric_port_name,
2648 new_fcport->fabric_port_name, WWN_SIZE);
2649 fcport->fp_speed = new_fcport->fp_speed;
2650
2651 /*
2652 * If address the same and state FCS_ONLINE, nothing
2653 * changed.
2654 */
2655 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2656 atomic_read(&fcport->state) == FCS_ONLINE) {
2657 break;
2658 }
2659
2660 /*
2661 * If device was not a fabric device before.
2662 */
2663 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2664 fcport->d_id.b24 = new_fcport->d_id.b24;
2665 fcport->loop_id = FC_NO_LOOP_ID;
2666 fcport->flags |= (FCF_FABRIC_DEVICE |
2667 FCF_LOGIN_NEEDED);
2668 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2669 break;
2670 }
2671
2672 /*
2673 * Port ID changed or device was marked to be updated;
2674 * Log it out if still logged in and mark it for
2675 * relogin later.
2676 */
2677 fcport->d_id.b24 = new_fcport->d_id.b24;
2678 fcport->flags |= FCF_LOGIN_NEEDED;
2679 if (fcport->loop_id != FC_NO_LOOP_ID &&
2680 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2681 fcport->port_type != FCT_INITIATOR &&
2682 fcport->port_type != FCT_BROADCAST) {
2683 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2684 fcport->d_id.b.domain, fcport->d_id.b.area,
2685 fcport->d_id.b.al_pa);
2686 fcport->loop_id = FC_NO_LOOP_ID;
2687 }
2688
2689 break;
2690 }
2691
2692 if (found)
2693 continue;
2694
2695 /* If device was not in our fcports list, then add it. */
2696 list_add_tail(&new_fcport->list, new_fcports);
2697
2698 /* Allocate a new replacement fcport. */
2699 nxt_d_id.b24 = new_fcport->d_id.b24;
2700 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2701 if (new_fcport == NULL) {
2702 kfree(swl);
2703 return (QLA_MEMORY_ALLOC_FAILED);
2704 }
2705 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2706 new_fcport->d_id.b24 = nxt_d_id.b24;
2707 new_fcport->vp_idx = ha->vp_idx;
2708 }
2709
2710 kfree(swl);
2711 kfree(new_fcport);
2712
2713 if (!list_empty(new_fcports))
2714 ha->device_flags |= DFLG_FABRIC_DEVICES;
2715
2716 return (rval);
2717 }
2718
2719 /*
2720 * qla2x00_find_new_loop_id
2721 * Scan through our port list and find a new usable loop ID.
2722 *
2723 * Input:
2724 * ha: adapter state pointer.
2725 * dev: port structure pointer.
2726 *
2727 * Returns:
2728 * qla2x00 local function return status code.
2729 *
2730 * Context:
2731 * Kernel context.
2732 */
2733 static int
2734 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2735 {
2736 int rval;
2737 int found;
2738 fc_port_t *fcport;
2739 uint16_t first_loop_id;
2740 scsi_qla_host_t *pha = to_qla_parent(ha);
2741
2742 rval = QLA_SUCCESS;
2743
2744 /* Save starting loop ID. */
2745 first_loop_id = dev->loop_id;
2746
2747 for (;;) {
2748 /* Skip loop ID if already used by adapter. */
2749 if (dev->loop_id == ha->loop_id) {
2750 dev->loop_id++;
2751 }
2752
2753 /* Skip reserved loop IDs. */
2754 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2755 dev->loop_id++;
2756 }
2757
2758 /* Reset loop ID if passed the end. */
2759 if (dev->loop_id > ha->last_loop_id) {
2760 /* first loop ID. */
2761 dev->loop_id = ha->min_external_loopid;
2762 }
2763
2764 /* Check for loop ID being already in use. */
2765 found = 0;
2766 fcport = NULL;
2767 list_for_each_entry(fcport, &pha->fcports, list) {
2768 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2769 /* ID possibly in use */
2770 found++;
2771 break;
2772 }
2773 }
2774
2775 /* If not in use then it is free to use. */
2776 if (!found) {
2777 break;
2778 }
2779
2780 /* ID in use. Try next value. */
2781 dev->loop_id++;
2782
2783 /* If wrap around. No free ID to use. */
2784 if (dev->loop_id == first_loop_id) {
2785 dev->loop_id = FC_NO_LOOP_ID;
2786 rval = QLA_FUNCTION_FAILED;
2787 break;
2788 }
2789 }
2790
2791 return (rval);
2792 }
2793
2794 /*
2795 * qla2x00_device_resync
2796 * Marks devices in the database that needs resynchronization.
2797 *
2798 * Input:
2799 * ha = adapter block pointer.
2800 *
2801 * Context:
2802 * Kernel context.
2803 */
2804 static int
2805 qla2x00_device_resync(scsi_qla_host_t *ha)
2806 {
2807 int rval;
2808 uint32_t mask;
2809 fc_port_t *fcport;
2810 uint32_t rscn_entry;
2811 uint8_t rscn_out_iter;
2812 uint8_t format;
2813 port_id_t d_id;
2814 scsi_qla_host_t *pha = to_qla_parent(ha);
2815
2816 rval = QLA_RSCNS_HANDLED;
2817
2818 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2819 ha->flags.rscn_queue_overflow) {
2820
2821 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2822 format = MSB(MSW(rscn_entry));
2823 d_id.b.domain = LSB(MSW(rscn_entry));
2824 d_id.b.area = MSB(LSW(rscn_entry));
2825 d_id.b.al_pa = LSB(LSW(rscn_entry));
2826
2827 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2828 "[%02x/%02x%02x%02x].\n",
2829 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2830 d_id.b.area, d_id.b.al_pa));
2831
2832 ha->rscn_out_ptr++;
2833 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2834 ha->rscn_out_ptr = 0;
2835
2836 /* Skip duplicate entries. */
2837 for (rscn_out_iter = ha->rscn_out_ptr;
2838 !ha->flags.rscn_queue_overflow &&
2839 rscn_out_iter != ha->rscn_in_ptr;
2840 rscn_out_iter = (rscn_out_iter ==
2841 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2842
2843 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2844 break;
2845
2846 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2847 "entry found at [%d].\n", ha->host_no,
2848 rscn_out_iter));
2849
2850 ha->rscn_out_ptr = rscn_out_iter;
2851 }
2852
2853 /* Queue overflow, set switch default case. */
2854 if (ha->flags.rscn_queue_overflow) {
2855 DEBUG(printk("scsi(%ld): device_resync: rscn "
2856 "overflow.\n", ha->host_no));
2857
2858 format = 3;
2859 ha->flags.rscn_queue_overflow = 0;
2860 }
2861
2862 switch (format) {
2863 case 0:
2864 mask = 0xffffff;
2865 break;
2866 case 1:
2867 mask = 0xffff00;
2868 break;
2869 case 2:
2870 mask = 0xff0000;
2871 break;
2872 default:
2873 mask = 0x0;
2874 d_id.b24 = 0;
2875 ha->rscn_out_ptr = ha->rscn_in_ptr;
2876 break;
2877 }
2878
2879 rval = QLA_SUCCESS;
2880
2881 list_for_each_entry(fcport, &pha->fcports, list) {
2882 if (fcport->vp_idx != ha->vp_idx)
2883 continue;
2884
2885 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2886 (fcport->d_id.b24 & mask) != d_id.b24 ||
2887 fcport->port_type == FCT_BROADCAST)
2888 continue;
2889
2890 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2891 if (format != 3 ||
2892 fcport->port_type != FCT_INITIATOR) {
2893 qla2x00_mark_device_lost(ha, fcport,
2894 0, 0);
2895 }
2896 }
2897 fcport->flags &= ~FCF_FARP_DONE;
2898 }
2899 }
2900 return (rval);
2901 }
2902
2903 /*
2904 * qla2x00_fabric_dev_login
2905 * Login fabric target device and update FC port database.
2906 *
2907 * Input:
2908 * ha: adapter state pointer.
2909 * fcport: port structure list pointer.
2910 * next_loopid: contains value of a new loop ID that can be used
2911 * by the next login attempt.
2912 *
2913 * Returns:
2914 * qla2x00 local function return status code.
2915 *
2916 * Context:
2917 * Kernel context.
2918 */
2919 static int
2920 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2921 uint16_t *next_loopid)
2922 {
2923 int rval;
2924 int retry;
2925 uint8_t opts;
2926
2927 rval = QLA_SUCCESS;
2928 retry = 0;
2929
2930 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2931 if (rval == QLA_SUCCESS) {
2932 /* Send an ADISC to tape devices.*/
2933 opts = 0;
2934 if (fcport->flags & FCF_TAPE_PRESENT)
2935 opts |= BIT_1;
2936 rval = qla2x00_get_port_database(ha, fcport, opts);
2937 if (rval != QLA_SUCCESS) {
2938 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2939 fcport->d_id.b.domain, fcport->d_id.b.area,
2940 fcport->d_id.b.al_pa);
2941 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2942 } else {
2943 qla2x00_update_fcport(ha, fcport);
2944 }
2945 }
2946
2947 return (rval);
2948 }
2949
2950 /*
2951 * qla2x00_fabric_login
2952 * Issue fabric login command.
2953 *
2954 * Input:
2955 * ha = adapter block pointer.
2956 * device = pointer to FC device type structure.
2957 *
2958 * Returns:
2959 * 0 - Login successfully
2960 * 1 - Login failed
2961 * 2 - Initiator device
2962 * 3 - Fatal error
2963 */
2964 int
2965 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2966 uint16_t *next_loopid)
2967 {
2968 int rval;
2969 int retry;
2970 uint16_t tmp_loopid;
2971 uint16_t mb[MAILBOX_REGISTER_COUNT];
2972
2973 retry = 0;
2974 tmp_loopid = 0;
2975
2976 for (;;) {
2977 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2978 "for port %02x%02x%02x.\n",
2979 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2980 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2981
2982 /* Login fcport on switch. */
2983 ha->isp_ops->fabric_login(ha, fcport->loop_id,
2984 fcport->d_id.b.domain, fcport->d_id.b.area,
2985 fcport->d_id.b.al_pa, mb, BIT_0);
2986 if (mb[0] == MBS_PORT_ID_USED) {
2987 /*
2988 * Device has another loop ID. The firmware team
2989 * recommends the driver perform an implicit login with
2990 * the specified ID again. The ID we just used is save
2991 * here so we return with an ID that can be tried by
2992 * the next login.
2993 */
2994 retry++;
2995 tmp_loopid = fcport->loop_id;
2996 fcport->loop_id = mb[1];
2997
2998 DEBUG(printk("Fabric Login: port in use - next "
2999 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3000 fcport->loop_id, fcport->d_id.b.domain,
3001 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3002
3003 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3004 /*
3005 * Login succeeded.
3006 */
3007 if (retry) {
3008 /* A retry occurred before. */
3009 *next_loopid = tmp_loopid;
3010 } else {
3011 /*
3012 * No retry occurred before. Just increment the
3013 * ID value for next login.
3014 */
3015 *next_loopid = (fcport->loop_id + 1);
3016 }
3017
3018 if (mb[1] & BIT_0) {
3019 fcport->port_type = FCT_INITIATOR;
3020 } else {
3021 fcport->port_type = FCT_TARGET;
3022 if (mb[1] & BIT_1) {
3023 fcport->flags |= FCF_TAPE_PRESENT;
3024 }
3025 }
3026
3027 if (mb[10] & BIT_0)
3028 fcport->supported_classes |= FC_COS_CLASS2;
3029 if (mb[10] & BIT_1)
3030 fcport->supported_classes |= FC_COS_CLASS3;
3031
3032 rval = QLA_SUCCESS;
3033 break;
3034 } else if (mb[0] == MBS_LOOP_ID_USED) {
3035 /*
3036 * Loop ID already used, try next loop ID.
3037 */
3038 fcport->loop_id++;
3039 rval = qla2x00_find_new_loop_id(ha, fcport);
3040 if (rval != QLA_SUCCESS) {
3041 /* Ran out of loop IDs to use */
3042 break;
3043 }
3044 } else if (mb[0] == MBS_COMMAND_ERROR) {
3045 /*
3046 * Firmware possibly timed out during login. If NO
3047 * retries are left to do then the device is declared
3048 * dead.
3049 */
3050 *next_loopid = fcport->loop_id;
3051 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3052 fcport->d_id.b.domain, fcport->d_id.b.area,
3053 fcport->d_id.b.al_pa);
3054 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3055
3056 rval = 1;
3057 break;
3058 } else {
3059 /*
3060 * unrecoverable / not handled error
3061 */
3062 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3063 "loop_id=%x jiffies=%lx.\n",
3064 __func__, ha->host_no, mb[0],
3065 fcport->d_id.b.domain, fcport->d_id.b.area,
3066 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3067
3068 *next_loopid = fcport->loop_id;
3069 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3070 fcport->d_id.b.domain, fcport->d_id.b.area,
3071 fcport->d_id.b.al_pa);
3072 fcport->loop_id = FC_NO_LOOP_ID;
3073 fcport->login_retry = 0;
3074
3075 rval = 3;
3076 break;
3077 }
3078 }
3079
3080 return (rval);
3081 }
3082
3083 /*
3084 * qla2x00_local_device_login
3085 * Issue local device login command.
3086 *
3087 * Input:
3088 * ha = adapter block pointer.
3089 * loop_id = loop id of device to login to.
3090 *
3091 * Returns (Where's the #define!!!!):
3092 * 0 - Login successfully
3093 * 1 - Login failed
3094 * 3 - Fatal error
3095 */
3096 int
3097 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3098 {
3099 int rval;
3100 uint16_t mb[MAILBOX_REGISTER_COUNT];
3101
3102 memset(mb, 0, sizeof(mb));
3103 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3104 if (rval == QLA_SUCCESS) {
3105 /* Interrogate mailbox registers for any errors */
3106 if (mb[0] == MBS_COMMAND_ERROR)
3107 rval = 1;
3108 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3109 /* device not in PCB table */
3110 rval = 3;
3111 }
3112
3113 return (rval);
3114 }
3115
3116 /*
3117 * qla2x00_loop_resync
3118 * Resync with fibre channel devices.
3119 *
3120 * Input:
3121 * ha = adapter block pointer.
3122 *
3123 * Returns:
3124 * 0 = success
3125 */
3126 int
3127 qla2x00_loop_resync(scsi_qla_host_t *ha)
3128 {
3129 int rval;
3130 uint32_t wait_time;
3131
3132 rval = QLA_SUCCESS;
3133
3134 atomic_set(&ha->loop_state, LOOP_UPDATE);
3135 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3136 if (ha->flags.online) {
3137 if (!(rval = qla2x00_fw_ready(ha))) {
3138 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3139 wait_time = 256;
3140 do {
3141 atomic_set(&ha->loop_state, LOOP_UPDATE);
3142
3143 /* Issue a marker after FW becomes ready. */
3144 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3145 ha->marker_needed = 0;
3146
3147 /* Remap devices on Loop. */
3148 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3149
3150 qla2x00_configure_loop(ha);
3151 wait_time--;
3152 } while (!atomic_read(&ha->loop_down_timer) &&
3153 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3154 wait_time &&
3155 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3156 }
3157 }
3158
3159 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3160 return (QLA_FUNCTION_FAILED);
3161 }
3162
3163 if (rval) {
3164 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3165 }
3166
3167 return (rval);
3168 }
3169
3170 void
3171 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3172 {
3173 int rescan_done;
3174 fc_port_t *fcport;
3175
3176 rescan_done = 0;
3177 list_for_each_entry(fcport, &ha->fcports, list) {
3178 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3179 continue;
3180
3181 qla2x00_update_fcport(ha, fcport);
3182 fcport->flags &= ~FCF_RESCAN_NEEDED;
3183
3184 rescan_done = 1;
3185 }
3186 qla2x00_probe_for_all_luns(ha);
3187 }
3188
3189 void
3190 qla2x00_update_fcports(scsi_qla_host_t *ha)
3191 {
3192 fc_port_t *fcport;
3193
3194 /* Go with deferred removal of rport references. */
3195 list_for_each_entry(fcport, &ha->fcports, list)
3196 if (fcport->drport)
3197 qla2x00_rport_del(fcport);
3198 }
3199
3200 /*
3201 * qla2x00_abort_isp
3202 * Resets ISP and aborts all outstanding commands.
3203 *
3204 * Input:
3205 * ha = adapter block pointer.
3206 *
3207 * Returns:
3208 * 0 = success
3209 */
3210 int
3211 qla2x00_abort_isp(scsi_qla_host_t *ha)
3212 {
3213 int rval;
3214 unsigned long flags = 0;
3215 uint16_t cnt;
3216 srb_t *sp;
3217 uint8_t status = 0;
3218
3219 if (ha->flags.online) {
3220 ha->flags.online = 0;
3221 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3222
3223 qla_printk(KERN_INFO, ha,
3224 "Performing ISP error recovery - ha= %p.\n", ha);
3225 ha->isp_ops->reset_chip(ha);
3226
3227 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3228 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3229 atomic_set(&ha->loop_state, LOOP_DOWN);
3230 qla2x00_mark_all_devices_lost(ha, 0);
3231 } else {
3232 if (!atomic_read(&ha->loop_down_timer))
3233 atomic_set(&ha->loop_down_timer,
3234 LOOP_DOWN_TIME);
3235 }
3236
3237 spin_lock_irqsave(&ha->hardware_lock, flags);
3238 /* Requeue all commands in outstanding command list. */
3239 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3240 sp = ha->outstanding_cmds[cnt];
3241 if (sp) {
3242 ha->outstanding_cmds[cnt] = NULL;
3243 sp->flags = 0;
3244 sp->cmd->result = DID_RESET << 16;
3245 sp->cmd->host_scribble = (unsigned char *)NULL;
3246 qla2x00_sp_compl(ha, sp);
3247 }
3248 }
3249 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3250
3251 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3252
3253 ha->isp_ops->nvram_config(ha);
3254
3255 if (!qla2x00_restart_isp(ha)) {
3256 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3257
3258 if (!atomic_read(&ha->loop_down_timer)) {
3259 /*
3260 * Issue marker command only when we are going
3261 * to start the I/O .
3262 */
3263 ha->marker_needed = 1;
3264 }
3265
3266 ha->flags.online = 1;
3267
3268 ha->isp_ops->enable_intrs(ha);
3269
3270 ha->isp_abort_cnt = 0;
3271 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3272
3273 if (ha->eft) {
3274 rval = qla2x00_enable_eft_trace(ha,
3275 ha->eft_dma, EFT_NUM_BUFFERS);
3276 if (rval) {
3277 qla_printk(KERN_WARNING, ha,
3278 "Unable to reinitialize EFT "
3279 "(%d).\n", rval);
3280 }
3281 }
3282
3283 if (ha->fce) {
3284 ha->flags.fce_enabled = 1;
3285 memset(ha->fce, 0,
3286 fce_calc_size(ha->fce_bufs));
3287 rval = qla2x00_enable_fce_trace(ha,
3288 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3289 &ha->fce_bufs);
3290 if (rval) {
3291 qla_printk(KERN_WARNING, ha,
3292 "Unable to reinitialize FCE "
3293 "(%d).\n", rval);
3294 ha->flags.fce_enabled = 0;
3295 }
3296 }
3297 } else { /* failed the ISP abort */
3298 ha->flags.online = 1;
3299 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3300 if (ha->isp_abort_cnt == 0) {
3301 qla_printk(KERN_WARNING, ha,
3302 "ISP error recovery failed - "
3303 "board disabled\n");
3304 /*
3305 * The next call disables the board
3306 * completely.
3307 */
3308 ha->isp_ops->reset_adapter(ha);
3309 ha->flags.online = 0;
3310 clear_bit(ISP_ABORT_RETRY,
3311 &ha->dpc_flags);
3312 status = 0;
3313 } else { /* schedule another ISP abort */
3314 ha->isp_abort_cnt--;
3315 DEBUG(printk("qla%ld: ISP abort - "
3316 "retry remaining %d\n",
3317 ha->host_no, ha->isp_abort_cnt));
3318 status = 1;
3319 }
3320 } else {
3321 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3322 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3323 "- retrying (%d) more times\n",
3324 ha->host_no, ha->isp_abort_cnt));
3325 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3326 status = 1;
3327 }
3328 }
3329
3330 }
3331
3332 if (status) {
3333 qla_printk(KERN_INFO, ha,
3334 "qla2x00_abort_isp: **** FAILED ****\n");
3335 } else {
3336 DEBUG(printk(KERN_INFO
3337 "qla2x00_abort_isp(%ld): exiting.\n",
3338 ha->host_no));
3339 }
3340
3341 return(status);
3342 }
3343
3344 /*
3345 * qla2x00_restart_isp
3346 * restarts the ISP after a reset
3347 *
3348 * Input:
3349 * ha = adapter block pointer.
3350 *
3351 * Returns:
3352 * 0 = success
3353 */
3354 static int
3355 qla2x00_restart_isp(scsi_qla_host_t *ha)
3356 {
3357 uint8_t status = 0;
3358 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3359 unsigned long flags = 0;
3360 uint32_t wait_time;
3361
3362 /* If firmware needs to be loaded */
3363 if (qla2x00_isp_firmware(ha)) {
3364 ha->flags.online = 0;
3365 if (!(status = ha->isp_ops->chip_diag(ha))) {
3366 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3367 status = qla2x00_setup_chip(ha);
3368 goto done;
3369 }
3370
3371 spin_lock_irqsave(&ha->hardware_lock, flags);
3372
3373 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3374 !IS_QLA25XX(ha)) {
3375 /*
3376 * Disable SRAM, Instruction RAM and GP RAM
3377 * parity.
3378 */
3379 WRT_REG_WORD(&reg->hccr,
3380 (HCCR_ENABLE_PARITY + 0x0));
3381 RD_REG_WORD(&reg->hccr);
3382 }
3383
3384 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3385
3386 status = qla2x00_setup_chip(ha);
3387
3388 spin_lock_irqsave(&ha->hardware_lock, flags);
3389
3390 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3391 !IS_QLA25XX(ha)) {
3392 /* Enable proper parity */
3393 if (IS_QLA2300(ha))
3394 /* SRAM parity */
3395 WRT_REG_WORD(&reg->hccr,
3396 (HCCR_ENABLE_PARITY + 0x1));
3397 else
3398 /*
3399 * SRAM, Instruction RAM and GP RAM
3400 * parity.
3401 */
3402 WRT_REG_WORD(&reg->hccr,
3403 (HCCR_ENABLE_PARITY + 0x7));
3404 RD_REG_WORD(&reg->hccr);
3405 }
3406
3407 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3408 }
3409 }
3410
3411 done:
3412 if (!status && !(status = qla2x00_init_rings(ha))) {
3413 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3414 if (!(status = qla2x00_fw_ready(ha))) {
3415 DEBUG(printk("%s(): Start configure loop, "
3416 "status = %d\n", __func__, status));
3417
3418 /* Issue a marker after FW becomes ready. */
3419 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3420
3421 ha->flags.online = 1;
3422 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3423 wait_time = 256;
3424 do {
3425 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3426 qla2x00_configure_loop(ha);
3427 wait_time--;
3428 } while (!atomic_read(&ha->loop_down_timer) &&
3429 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3430 wait_time &&
3431 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3432 }
3433
3434 /* if no cable then assume it's good */
3435 if ((ha->device_flags & DFLG_NO_CABLE))
3436 status = 0;
3437
3438 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3439 __func__,
3440 status));
3441 }
3442 return (status);
3443 }
3444
3445 /*
3446 * qla2x00_reset_adapter
3447 * Reset adapter.
3448 *
3449 * Input:
3450 * ha = adapter block pointer.
3451 */
3452 void
3453 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3454 {
3455 unsigned long flags = 0;
3456 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3457
3458 ha->flags.online = 0;
3459 ha->isp_ops->disable_intrs(ha);
3460
3461 spin_lock_irqsave(&ha->hardware_lock, flags);
3462 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3463 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3464 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3465 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3466 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3467 }
3468
3469 void
3470 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3471 {
3472 unsigned long flags = 0;
3473 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3474
3475 ha->flags.online = 0;
3476 ha->isp_ops->disable_intrs(ha);
3477
3478 spin_lock_irqsave(&ha->hardware_lock, flags);
3479 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3480 RD_REG_DWORD(&reg->hccr);
3481 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3482 RD_REG_DWORD(&reg->hccr);
3483 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3484 }
3485
3486 /* On sparc systems, obtain port and node WWN from firmware
3487 * properties.
3488 */
3489 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3490 {
3491 #ifdef CONFIG_SPARC
3492 struct pci_dev *pdev = ha->pdev;
3493 struct device_node *dp = pci_device_to_OF_node(pdev);
3494 const u8 *val;
3495 int len;
3496
3497 val = of_get_property(dp, "port-wwn", &len);
3498 if (val && len >= WWN_SIZE)
3499 memcpy(nv->port_name, val, WWN_SIZE);
3500
3501 val = of_get_property(dp, "node-wwn", &len);
3502 if (val && len >= WWN_SIZE)
3503 memcpy(nv->node_name, val, WWN_SIZE);
3504 #endif
3505 }
3506
3507 int
3508 qla24xx_nvram_config(scsi_qla_host_t *ha)
3509 {
3510 int rval;
3511 struct init_cb_24xx *icb;
3512 struct nvram_24xx *nv;
3513 uint32_t *dptr;
3514 uint8_t *dptr1, *dptr2;
3515 uint32_t chksum;
3516 uint16_t cnt;
3517
3518 rval = QLA_SUCCESS;
3519 icb = (struct init_cb_24xx *)ha->init_cb;
3520 nv = ha->nvram;
3521
3522 /* Determine NVRAM starting address. */
3523 ha->nvram_size = sizeof(struct nvram_24xx);
3524 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3525 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3526 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3527 if (PCI_FUNC(ha->pdev->devfn)) {
3528 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3529 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3530 }
3531
3532 /* Get VPD data into cache */
3533 ha->vpd = ha->nvram + VPD_OFFSET;
3534 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3535 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3536
3537 /* Get NVRAM data into cache and calculate checksum. */
3538 dptr = (uint32_t *)nv;
3539 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3540 ha->nvram_size);
3541 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3542 chksum += le32_to_cpu(*dptr++);
3543
3544 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3545 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3546
3547 /* Bad NVRAM data, set defaults parameters. */
3548 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3549 || nv->id[3] != ' ' ||
3550 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3551 /* Reset NVRAM data. */
3552 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3553 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3554 le16_to_cpu(nv->nvram_version));
3555 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3556 "invalid -- WWPN) defaults.\n");
3557
3558 /*
3559 * Set default initialization control block.
3560 */
3561 memset(nv, 0, ha->nvram_size);
3562 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3563 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3564 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3565 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3566 nv->exchange_count = __constant_cpu_to_le16(0);
3567 nv->hard_address = __constant_cpu_to_le16(124);
3568 nv->port_name[0] = 0x21;
3569 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3570 nv->port_name[2] = 0x00;
3571 nv->port_name[3] = 0xe0;
3572 nv->port_name[4] = 0x8b;
3573 nv->port_name[5] = 0x1c;
3574 nv->port_name[6] = 0x55;
3575 nv->port_name[7] = 0x86;
3576 nv->node_name[0] = 0x20;
3577 nv->node_name[1] = 0x00;
3578 nv->node_name[2] = 0x00;
3579 nv->node_name[3] = 0xe0;
3580 nv->node_name[4] = 0x8b;
3581 nv->node_name[5] = 0x1c;
3582 nv->node_name[6] = 0x55;
3583 nv->node_name[7] = 0x86;
3584 qla24xx_nvram_wwn_from_ofw(ha, nv);
3585 nv->login_retry_count = __constant_cpu_to_le16(8);
3586 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3587 nv->login_timeout = __constant_cpu_to_le16(0);
3588 nv->firmware_options_1 =
3589 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3590 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3591 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3592 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3593 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3594 nv->efi_parameters = __constant_cpu_to_le32(0);
3595 nv->reset_delay = 5;
3596 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3597 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3598 nv->link_down_timeout = __constant_cpu_to_le16(30);
3599
3600 rval = 1;
3601 }
3602
3603 /* Reset Initialization control block */
3604 memset(icb, 0, sizeof(struct init_cb_24xx));
3605
3606 /* Copy 1st segment. */
3607 dptr1 = (uint8_t *)icb;
3608 dptr2 = (uint8_t *)&nv->version;
3609 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3610 while (cnt--)
3611 *dptr1++ = *dptr2++;
3612
3613 icb->login_retry_count = nv->login_retry_count;
3614 icb->link_down_on_nos = nv->link_down_on_nos;
3615
3616 /* Copy 2nd segment. */
3617 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3618 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3619 cnt = (uint8_t *)&icb->reserved_3 -
3620 (uint8_t *)&icb->interrupt_delay_timer;
3621 while (cnt--)
3622 *dptr1++ = *dptr2++;
3623
3624 /*
3625 * Setup driver NVRAM options.
3626 */
3627 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3628 "QLA2462");
3629
3630 /* Use alternate WWN? */
3631 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3632 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3633 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3634 }
3635
3636 /* Prepare nodename */
3637 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3638 /*
3639 * Firmware will apply the following mask if the nodename was
3640 * not provided.
3641 */
3642 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3643 icb->node_name[0] &= 0xF0;
3644 }
3645
3646 /* Set host adapter parameters. */
3647 ha->flags.disable_risc_code_load = 0;
3648 ha->flags.enable_lip_reset = 0;
3649 ha->flags.enable_lip_full_login =
3650 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3651 ha->flags.enable_target_reset =
3652 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3653 ha->flags.enable_led_scheme = 0;
3654 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3655
3656 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3657 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3658
3659 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3660 sizeof(ha->fw_seriallink_options24));
3661
3662 /* save HBA serial number */
3663 ha->serial0 = icb->port_name[5];
3664 ha->serial1 = icb->port_name[6];
3665 ha->serial2 = icb->port_name[7];
3666 ha->node_name = icb->node_name;
3667 ha->port_name = icb->port_name;
3668
3669 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3670
3671 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3672
3673 /* Set minimum login_timeout to 4 seconds. */
3674 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3675 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3676 if (le16_to_cpu(nv->login_timeout) < 4)
3677 nv->login_timeout = __constant_cpu_to_le16(4);
3678 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3679 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3680
3681 /* Set minimum RATOV to 200 tenths of a second. */
3682 ha->r_a_tov = 200;
3683
3684 ha->loop_reset_delay = nv->reset_delay;
3685
3686 /* Link Down Timeout = 0:
3687 *
3688 * When Port Down timer expires we will start returning
3689 * I/O's to OS with "DID_NO_CONNECT".
3690 *
3691 * Link Down Timeout != 0:
3692 *
3693 * The driver waits for the link to come up after link down
3694 * before returning I/Os to OS with "DID_NO_CONNECT".
3695 */
3696 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3697 ha->loop_down_abort_time =
3698 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3699 } else {
3700 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3701 ha->loop_down_abort_time =
3702 (LOOP_DOWN_TIME - ha->link_down_timeout);
3703 }
3704
3705 /* Need enough time to try and get the port back. */
3706 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3707 if (qlport_down_retry)
3708 ha->port_down_retry_count = qlport_down_retry;
3709
3710 /* Set login_retry_count */
3711 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3712 if (ha->port_down_retry_count ==
3713 le16_to_cpu(nv->port_down_retry_count) &&
3714 ha->port_down_retry_count > 3)
3715 ha->login_retry_count = ha->port_down_retry_count;
3716 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3717 ha->login_retry_count = ha->port_down_retry_count;
3718 if (ql2xloginretrycount)
3719 ha->login_retry_count = ql2xloginretrycount;
3720
3721 /* Enable ZIO. */
3722 if (!ha->flags.init_done) {
3723 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3724 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3725 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3726 le16_to_cpu(icb->interrupt_delay_timer): 2;
3727 }
3728 icb->firmware_options_2 &= __constant_cpu_to_le32(
3729 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3730 ha->flags.process_response_queue = 0;
3731 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3732 ha->zio_mode = QLA_ZIO_MODE_6;
3733
3734 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3735 "(%d us).\n", ha->host_no, ha->zio_mode,
3736 ha->zio_timer * 100));
3737 qla_printk(KERN_INFO, ha,
3738 "ZIO mode %d enabled; timer delay (%d us).\n",
3739 ha->zio_mode, ha->zio_timer * 100);
3740
3741 icb->firmware_options_2 |= cpu_to_le32(
3742 (uint32_t)ha->zio_mode);
3743 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3744 ha->flags.process_response_queue = 1;
3745 }
3746
3747 if (rval) {
3748 DEBUG2_3(printk(KERN_WARNING
3749 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3750 }
3751 return (rval);
3752 }
3753
3754 static int
3755 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3756 {
3757 int rval;
3758 int segments, fragment;
3759 uint32_t faddr;
3760 uint32_t *dcode, dlen;
3761 uint32_t risc_addr;
3762 uint32_t risc_size;
3763 uint32_t i;
3764
3765 rval = QLA_SUCCESS;
3766
3767 segments = FA_RISC_CODE_SEGMENTS;
3768 faddr = FA_RISC_CODE_ADDR;
3769 dcode = (uint32_t *)ha->request_ring;
3770 *srisc_addr = 0;
3771
3772 /* Validate firmware image by checking version. */
3773 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3774 for (i = 0; i < 4; i++)
3775 dcode[i] = be32_to_cpu(dcode[i]);
3776 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3777 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3778 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3779 dcode[3] == 0)) {
3780 qla_printk(KERN_WARNING, ha,
3781 "Unable to verify integrity of flash firmware image!\n");
3782 qla_printk(KERN_WARNING, ha,
3783 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3784 dcode[1], dcode[2], dcode[3]);
3785
3786 return QLA_FUNCTION_FAILED;
3787 }
3788
3789 while (segments && rval == QLA_SUCCESS) {
3790 /* Read segment's load information. */
3791 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3792
3793 risc_addr = be32_to_cpu(dcode[2]);
3794 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3795 risc_size = be32_to_cpu(dcode[3]);
3796
3797 fragment = 0;
3798 while (risc_size > 0 && rval == QLA_SUCCESS) {
3799 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3800 if (dlen > risc_size)
3801 dlen = risc_size;
3802
3803 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3804 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3805 ha->host_no, risc_addr, dlen, faddr));
3806
3807 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3808 for (i = 0; i < dlen; i++)
3809 dcode[i] = swab32(dcode[i]);
3810
3811 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3812 dlen);
3813 if (rval) {
3814 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3815 "segment %d of firmware\n", ha->host_no,
3816 fragment));
3817 qla_printk(KERN_WARNING, ha,
3818 "[ERROR] Failed to load segment %d of "
3819 "firmware\n", fragment);
3820 break;
3821 }
3822
3823 faddr += dlen;
3824 risc_addr += dlen;
3825 risc_size -= dlen;
3826 fragment++;
3827 }
3828
3829 /* Next segment. */
3830 segments--;
3831 }
3832
3833 return rval;
3834 }
3835
3836 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3837
3838 int
3839 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3840 {
3841 int rval;
3842 int i, fragment;
3843 uint16_t *wcode, *fwcode;
3844 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3845 struct fw_blob *blob;
3846
3847 /* Load firmware blob. */
3848 blob = qla2x00_request_firmware(ha);
3849 if (!blob) {
3850 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3851 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3852 "from: " QLA_FW_URL ".\n");
3853 return QLA_FUNCTION_FAILED;
3854 }
3855
3856 rval = QLA_SUCCESS;
3857
3858 wcode = (uint16_t *)ha->request_ring;
3859 *srisc_addr = 0;
3860 fwcode = (uint16_t *)blob->fw->data;
3861 fwclen = 0;
3862
3863 /* Validate firmware image by checking version. */
3864 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3865 qla_printk(KERN_WARNING, ha,
3866 "Unable to verify integrity of firmware image (%Zd)!\n",
3867 blob->fw->size);
3868 goto fail_fw_integrity;
3869 }
3870 for (i = 0; i < 4; i++)
3871 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3872 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3873 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3874 wcode[2] == 0 && wcode[3] == 0)) {
3875 qla_printk(KERN_WARNING, ha,
3876 "Unable to verify integrity of firmware image!\n");
3877 qla_printk(KERN_WARNING, ha,
3878 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3879 wcode[1], wcode[2], wcode[3]);
3880 goto fail_fw_integrity;
3881 }
3882
3883 seg = blob->segs;
3884 while (*seg && rval == QLA_SUCCESS) {
3885 risc_addr = *seg;
3886 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3887 risc_size = be16_to_cpu(fwcode[3]);
3888
3889 /* Validate firmware image size. */
3890 fwclen += risc_size * sizeof(uint16_t);
3891 if (blob->fw->size < fwclen) {
3892 qla_printk(KERN_WARNING, ha,
3893 "Unable to verify integrity of firmware image "
3894 "(%Zd)!\n", blob->fw->size);
3895 goto fail_fw_integrity;
3896 }
3897
3898 fragment = 0;
3899 while (risc_size > 0 && rval == QLA_SUCCESS) {
3900 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3901 if (wlen > risc_size)
3902 wlen = risc_size;
3903
3904 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3905 "addr %x, number of words 0x%x.\n", ha->host_no,
3906 risc_addr, wlen));
3907
3908 for (i = 0; i < wlen; i++)
3909 wcode[i] = swab16(fwcode[i]);
3910
3911 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3912 wlen);
3913 if (rval) {
3914 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3915 "segment %d of firmware\n", ha->host_no,
3916 fragment));
3917 qla_printk(KERN_WARNING, ha,
3918 "[ERROR] Failed to load segment %d of "
3919 "firmware\n", fragment);
3920 break;
3921 }
3922
3923 fwcode += wlen;
3924 risc_addr += wlen;
3925 risc_size -= wlen;
3926 fragment++;
3927 }
3928
3929 /* Next segment. */
3930 seg++;
3931 }
3932 return rval;
3933
3934 fail_fw_integrity:
3935 return QLA_FUNCTION_FAILED;
3936 }
3937
3938 int
3939 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3940 {
3941 int rval;
3942 int segments, fragment;
3943 uint32_t *dcode, dlen;
3944 uint32_t risc_addr;
3945 uint32_t risc_size;
3946 uint32_t i;
3947 struct fw_blob *blob;
3948 uint32_t *fwcode, fwclen;
3949
3950 /* Load firmware blob. */
3951 blob = qla2x00_request_firmware(ha);
3952 if (!blob) {
3953 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3954 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3955 "from: " QLA_FW_URL ".\n");
3956
3957 /* Try to load RISC code from flash. */
3958 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3959 "outdated) firmware from flash.\n");
3960 return qla24xx_load_risc_flash(ha, srisc_addr);
3961 }
3962
3963 rval = QLA_SUCCESS;
3964
3965 segments = FA_RISC_CODE_SEGMENTS;
3966 dcode = (uint32_t *)ha->request_ring;
3967 *srisc_addr = 0;
3968 fwcode = (uint32_t *)blob->fw->data;
3969 fwclen = 0;
3970
3971 /* Validate firmware image by checking version. */
3972 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3973 qla_printk(KERN_WARNING, ha,
3974 "Unable to verify integrity of firmware image (%Zd)!\n",
3975 blob->fw->size);
3976 goto fail_fw_integrity;
3977 }
3978 for (i = 0; i < 4; i++)
3979 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3980 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3981 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3982 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3983 dcode[3] == 0)) {
3984 qla_printk(KERN_WARNING, ha,
3985 "Unable to verify integrity of firmware image!\n");
3986 qla_printk(KERN_WARNING, ha,
3987 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3988 dcode[1], dcode[2], dcode[3]);
3989 goto fail_fw_integrity;
3990 }
3991
3992 while (segments && rval == QLA_SUCCESS) {
3993 risc_addr = be32_to_cpu(fwcode[2]);
3994 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3995 risc_size = be32_to_cpu(fwcode[3]);
3996
3997 /* Validate firmware image size. */
3998 fwclen += risc_size * sizeof(uint32_t);
3999 if (blob->fw->size < fwclen) {
4000 qla_printk(KERN_WARNING, ha,
4001 "Unable to verify integrity of firmware image "
4002 "(%Zd)!\n", blob->fw->size);
4003
4004 goto fail_fw_integrity;
4005 }
4006
4007 fragment = 0;
4008 while (risc_size > 0 && rval == QLA_SUCCESS) {
4009 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4010 if (dlen > risc_size)
4011 dlen = risc_size;
4012
4013 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4014 "addr %x, number of dwords 0x%x.\n", ha->host_no,
4015 risc_addr, dlen));
4016
4017 for (i = 0; i < dlen; i++)
4018 dcode[i] = swab32(fwcode[i]);
4019
4020 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
4021 dlen);
4022 if (rval) {
4023 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4024 "segment %d of firmware\n", ha->host_no,
4025 fragment));
4026 qla_printk(KERN_WARNING, ha,
4027 "[ERROR] Failed to load segment %d of "
4028 "firmware\n", fragment);
4029 break;
4030 }
4031
4032 fwcode += dlen;
4033 risc_addr += dlen;
4034 risc_size -= dlen;
4035 fragment++;
4036 }
4037
4038 /* Next segment. */
4039 segments--;
4040 }
4041 return rval;
4042
4043 fail_fw_integrity:
4044 return QLA_FUNCTION_FAILED;
4045 }
4046
4047 void
4048 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4049 {
4050 int ret, retries;
4051
4052 if (!IS_FWI2_CAPABLE(ha))
4053 return;
4054 if (!ha->fw_major_version)
4055 return;
4056
4057 ret = qla2x00_stop_firmware(ha);
4058 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4059 qla2x00_reset_chip(ha);
4060 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4061 continue;
4062 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4063 continue;
4064 qla_printk(KERN_INFO, ha,
4065 "Attempting retry of stop-firmware command...\n");
4066 ret = qla2x00_stop_firmware(ha);
4067 }
4068 }
4069
4070 int
4071 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4072 {
4073 int rval = QLA_SUCCESS;
4074 uint16_t mb[MAILBOX_REGISTER_COUNT];
4075
4076 if (!ha->parent)
4077 return -EINVAL;
4078
4079 rval = qla2x00_fw_ready(ha);
4080 if (rval == QLA_SUCCESS) {
4081 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4082 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4083 }
4084
4085 ha->flags.management_server_logged_in = 0;
4086
4087 /* Login to SNS first */
4088 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4089 mb, BIT_1);
4090 if (mb[0] != MBS_COMMAND_COMPLETE) {
4091 DEBUG15(qla_printk(KERN_INFO, ha,
4092 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4093 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4094 mb[0], mb[1], mb[2], mb[6], mb[7]));
4095 return (QLA_FUNCTION_FAILED);
4096 }
4097
4098 atomic_set(&ha->loop_down_timer, 0);
4099 atomic_set(&ha->loop_state, LOOP_UP);
4100 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4101 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4102 rval = qla2x00_loop_resync(ha);
4103
4104 return rval;
4105 }
Stable & featurefull patchset based on Linus's git branch