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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / scsi / qla2xxx / qla_init.c
blob44331af5f79246eb6095a24220e9daeef4d3c1c0
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11
12 #include "qla_devtbl.h"
13
14 #ifdef CONFIG_SPARC
15 #include <asm/prom.h>
16 #endif
17
18 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
19 #ifndef EXT_IS_LUN_BIT_SET
20 #define EXT_IS_LUN_BIT_SET(P,L) \
21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
22 #define EXT_SET_LUN_BIT(P,L) \
23 ((P)->mask[L/8] |= (0x80 >> (L%8)))
24 #endif
25
26 /*
27 * QLogic ISP2x00 Hardware Support Function Prototypes.
28 */
29 static int qla2x00_isp_firmware(scsi_qla_host_t *);
30 static void qla2x00_resize_request_q(scsi_qla_host_t *);
31 static int qla2x00_setup_chip(scsi_qla_host_t *);
32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
33 static int qla2x00_init_rings(scsi_qla_host_t *);
34 static int qla2x00_fw_ready(scsi_qla_host_t *);
35 static int qla2x00_configure_hba(scsi_qla_host_t *);
36 static int qla2x00_configure_loop(scsi_qla_host_t *);
37 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
38 static int qla2x00_configure_fabric(scsi_qla_host_t *);
39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
40 static int qla2x00_device_resync(scsi_qla_host_t *);
41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
42 uint16_t *);
43
44 static int qla2x00_restart_isp(scsi_qla_host_t *);
45
46 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
47
48 /****************************************************************************/
49 /* QLogic ISP2x00 Hardware Support Functions. */
50 /****************************************************************************/
51
52 /*
53 * qla2x00_initialize_adapter
54 * Initialize board.
55 *
56 * Input:
57 * ha = adapter block pointer.
58 *
59 * Returns:
60 * 0 = success
61 */
62 int
63 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
64 {
65 int rval;
66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
72 ha->device_flags = DFLG_NO_CABLE;
73 ha->dpc_flags = 0;
74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
80
81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
82 rval = ha->isp_ops->pci_config(ha);
83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
85 ha->host_no));
86 return (rval);
87 }
88
89 ha->isp_ops->reset_chip(ha);
90
91 ha->isp_ops->get_flash_version(ha, ha->request_ring);
92
93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
94
95 ha->isp_ops->nvram_config(ha);
96
97 if (ha->flags.disable_serdes) {
98 /* Mask HBA via NVRAM settings? */
99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
101 ha->port_name[0], ha->port_name[1],
102 ha->port_name[2], ha->port_name[3],
103 ha->port_name[4], ha->port_name[5],
104 ha->port_name[6], ha->port_name[7]);
105 return QLA_FUNCTION_FAILED;
106 }
107
108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
109
110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
111 rval = ha->isp_ops->chip_diag(ha);
112 if (rval)
113 return (rval);
114 rval = qla2x00_setup_chip(ha);
115 if (rval)
116 return (rval);
117 }
118 rval = qla2x00_init_rings(ha);
119
120 return (rval);
121 }
122
123 /**
124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
125 * @ha: HA context
126 *
127 * Returns 0 on success.
128 */
129 int
130 qla2100_pci_config(scsi_qla_host_t *ha)
131 {
132 uint16_t w;
133 uint32_t d;
134 unsigned long flags;
135 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
136
137 pci_set_master(ha->pdev);
138 pci_try_set_mwi(ha->pdev);
139
140 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
141 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
142 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
143
144 /* Reset expansion ROM address decode enable */
145 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
146 d &= ~PCI_ROM_ADDRESS_ENABLE;
147 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
148
149 /* Get PCI bus information. */
150 spin_lock_irqsave(&ha->hardware_lock, flags);
151 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
152 spin_unlock_irqrestore(&ha->hardware_lock, flags);
153
154 return QLA_SUCCESS;
155 }
156
157 /**
158 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
159 * @ha: HA context
160 *
161 * Returns 0 on success.
162 */
163 int
164 qla2300_pci_config(scsi_qla_host_t *ha)
165 {
166 uint16_t w;
167 uint32_t d;
168 unsigned long flags = 0;
169 uint32_t cnt;
170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
171
172 pci_set_master(ha->pdev);
173 pci_try_set_mwi(ha->pdev);
174
175 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
176 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
177
178 if (IS_QLA2322(ha) || IS_QLA6322(ha))
179 w &= ~PCI_COMMAND_INTX_DISABLE;
180 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
181
182 /*
183 * If this is a 2300 card and not 2312, reset the
184 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
185 * the 2310 also reports itself as a 2300 so we need to get the
186 * fb revision level -- a 6 indicates it really is a 2300 and
187 * not a 2310.
188 */
189 if (IS_QLA2300(ha)) {
190 spin_lock_irqsave(&ha->hardware_lock, flags);
191
192 /* Pause RISC. */
193 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
194 for (cnt = 0; cnt < 30000; cnt++) {
195 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
196 break;
197
198 udelay(10);
199 }
200
201 /* Select FPM registers. */
202 WRT_REG_WORD(&reg->ctrl_status, 0x20);
203 RD_REG_WORD(&reg->ctrl_status);
204
205 /* Get the fb rev level */
206 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
207
208 if (ha->fb_rev == FPM_2300)
209 pci_clear_mwi(ha->pdev);
210
211 /* Deselect FPM registers. */
212 WRT_REG_WORD(&reg->ctrl_status, 0x0);
213 RD_REG_WORD(&reg->ctrl_status);
214
215 /* Release RISC module. */
216 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
217 for (cnt = 0; cnt < 30000; cnt++) {
218 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
219 break;
220
221 udelay(10);
222 }
223
224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
225 }
226
227 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
228
229 /* Reset expansion ROM address decode enable */
230 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
231 d &= ~PCI_ROM_ADDRESS_ENABLE;
232 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
233
234 /* Get PCI bus information. */
235 spin_lock_irqsave(&ha->hardware_lock, flags);
236 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238
239 return QLA_SUCCESS;
240 }
241
242 /**
243 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
244 * @ha: HA context
245 *
246 * Returns 0 on success.
247 */
248 int
249 qla24xx_pci_config(scsi_qla_host_t *ha)
250 {
251 uint16_t w;
252 uint32_t d;
253 unsigned long flags = 0;
254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
255
256 pci_set_master(ha->pdev);
257 pci_try_set_mwi(ha->pdev);
258
259 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
260 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
261 w &= ~PCI_COMMAND_INTX_DISABLE;
262 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
263
264 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
265
266 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
267 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
268 pcix_set_mmrbc(ha->pdev, 2048);
269
270 /* PCIe -- adjust Maximum Read Request Size (2048). */
271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
272 pcie_set_readrq(ha->pdev, 2048);
273
274 /* Reset expansion ROM address decode enable */
275 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
276 d &= ~PCI_ROM_ADDRESS_ENABLE;
277 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
278
279 ha->chip_revision = ha->pdev->revision;
280
281 /* Get PCI bus information. */
282 spin_lock_irqsave(&ha->hardware_lock, flags);
283 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
284 spin_unlock_irqrestore(&ha->hardware_lock, flags);
285
286 return QLA_SUCCESS;
287 }
288
289 /**
290 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
291 * @ha: HA context
292 *
293 * Returns 0 on success.
294 */
295 int
296 qla25xx_pci_config(scsi_qla_host_t *ha)
297 {
298 uint16_t w;
299 uint32_t d;
300
301 pci_set_master(ha->pdev);
302 pci_try_set_mwi(ha->pdev);
303
304 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
305 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
306 w &= ~PCI_COMMAND_INTX_DISABLE;
307 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
308
309 /* PCIe -- adjust Maximum Read Request Size (2048). */
310 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
311 pcie_set_readrq(ha->pdev, 2048);
312
313 /* Reset expansion ROM address decode enable */
314 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
315 d &= ~PCI_ROM_ADDRESS_ENABLE;
316 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
317
318 ha->chip_revision = ha->pdev->revision;
319
320 return QLA_SUCCESS;
321 }
322
323 /**
324 * qla2x00_isp_firmware() - Choose firmware image.
325 * @ha: HA context
326 *
327 * Returns 0 on success.
328 */
329 static int
330 qla2x00_isp_firmware(scsi_qla_host_t *ha)
331 {
332 int rval;
333
334 /* Assume loading risc code */
335 rval = QLA_FUNCTION_FAILED;
336
337 if (ha->flags.disable_risc_code_load) {
338 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
339 ha->host_no));
340 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
341
342 /* Verify checksum of loaded RISC code. */
343 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
344 }
345
346 if (rval) {
347 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
348 ha->host_no));
349 }
350
351 return (rval);
352 }
353
354 /**
355 * qla2x00_reset_chip() - Reset ISP chip.
356 * @ha: HA context
357 *
358 * Returns 0 on success.
359 */
360 void
361 qla2x00_reset_chip(scsi_qla_host_t *ha)
362 {
363 unsigned long flags = 0;
364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
365 uint32_t cnt;
366 uint16_t cmd;
367
368 ha->isp_ops->disable_intrs(ha);
369
370 spin_lock_irqsave(&ha->hardware_lock, flags);
371
372 /* Turn off master enable */
373 cmd = 0;
374 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
375 cmd &= ~PCI_COMMAND_MASTER;
376 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
377
378 if (!IS_QLA2100(ha)) {
379 /* Pause RISC. */
380 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
381 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
382 for (cnt = 0; cnt < 30000; cnt++) {
383 if ((RD_REG_WORD(&reg->hccr) &
384 HCCR_RISC_PAUSE) != 0)
385 break;
386 udelay(100);
387 }
388 } else {
389 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
390 udelay(10);
391 }
392
393 /* Select FPM registers. */
394 WRT_REG_WORD(&reg->ctrl_status, 0x20);
395 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
396
397 /* FPM Soft Reset. */
398 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
399 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
400
401 /* Toggle Fpm Reset. */
402 if (!IS_QLA2200(ha)) {
403 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
404 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
405 }
406
407 /* Select frame buffer registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0x10);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset frame buffer FIFOs. */
412 if (IS_QLA2200(ha)) {
413 WRT_FB_CMD_REG(ha, reg, 0xa000);
414 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
415 } else {
416 WRT_FB_CMD_REG(ha, reg, 0x00fc);
417
418 /* Read back fb_cmd until zero or 3 seconds max */
419 for (cnt = 0; cnt < 3000; cnt++) {
420 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
421 break;
422 udelay(100);
423 }
424 }
425
426 /* Select RISC module registers. */
427 WRT_REG_WORD(&reg->ctrl_status, 0);
428 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
429
430 /* Reset RISC processor. */
431 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
433
434 /* Release RISC processor. */
435 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
436 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
437 }
438
439 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
440 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
441
442 /* Reset ISP chip. */
443 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
444
445 /* Wait for RISC to recover from reset. */
446 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
447 /*
448 * It is necessary to for a delay here since the card doesn't
449 * respond to PCI reads during a reset. On some architectures
450 * this will result in an MCA.
451 */
452 udelay(20);
453 for (cnt = 30000; cnt; cnt--) {
454 if ((RD_REG_WORD(&reg->ctrl_status) &
455 CSR_ISP_SOFT_RESET) == 0)
456 break;
457 udelay(100);
458 }
459 } else
460 udelay(10);
461
462 /* Reset RISC processor. */
463 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
464
465 WRT_REG_WORD(&reg->semaphore, 0);
466
467 /* Release RISC processor. */
468 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470
471 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
472 for (cnt = 0; cnt < 30000; cnt++) {
473 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
474 break;
475
476 udelay(100);
477 }
478 } else
479 udelay(100);
480
481 /* Turn on master enable */
482 cmd |= PCI_COMMAND_MASTER;
483 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
484
485 /* Disable RISC pause on FPM parity error. */
486 if (!IS_QLA2100(ha)) {
487 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 spin_unlock_irqrestore(&ha->hardware_lock, flags);
492 }
493
494 /**
495 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
496 * @ha: HA context
497 *
498 * Returns 0 on success.
499 */
500 static inline void
501 qla24xx_reset_risc(scsi_qla_host_t *ha)
502 {
503 unsigned long flags = 0;
504 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
505 uint32_t cnt, d2;
506 uint16_t wd;
507
508 spin_lock_irqsave(&ha->hardware_lock, flags);
509
510 /* Reset RISC. */
511 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
512 for (cnt = 0; cnt < 30000; cnt++) {
513 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
514 break;
515
516 udelay(10);
517 }
518
519 WRT_REG_DWORD(&reg->ctrl_status,
520 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
521 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
522
523 udelay(100);
524 /* Wait for firmware to complete NVRAM accesses. */
525 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
526 for (cnt = 10000 ; cnt && d2; cnt--) {
527 udelay(5);
528 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
529 barrier();
530 }
531
532 /* Wait for soft-reset to complete. */
533 d2 = RD_REG_DWORD(&reg->ctrl_status);
534 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
535 udelay(5);
536 d2 = RD_REG_DWORD(&reg->ctrl_status);
537 barrier();
538 }
539
540 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
541 RD_REG_DWORD(&reg->hccr);
542
543 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
544 RD_REG_DWORD(&reg->hccr);
545
546 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
547 RD_REG_DWORD(&reg->hccr);
548
549 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
550 for (cnt = 6000000 ; cnt && d2; cnt--) {
551 udelay(5);
552 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
553 barrier();
554 }
555
556 spin_unlock_irqrestore(&ha->hardware_lock, flags);
557 }
558
559 /**
560 * qla24xx_reset_chip() - Reset ISP24xx chip.
561 * @ha: HA context
562 *
563 * Returns 0 on success.
564 */
565 void
566 qla24xx_reset_chip(scsi_qla_host_t *ha)
567 {
568 ha->isp_ops->disable_intrs(ha);
569
570 /* Perform RISC reset. */
571 qla24xx_reset_risc(ha);
572 }
573
574 /**
575 * qla2x00_chip_diag() - Test chip for proper operation.
576 * @ha: HA context
577 *
578 * Returns 0 on success.
579 */
580 int
581 qla2x00_chip_diag(scsi_qla_host_t *ha)
582 {
583 int rval;
584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
585 unsigned long flags = 0;
586 uint16_t data;
587 uint32_t cnt;
588 uint16_t mb[5];
589
590 /* Assume a failed state */
591 rval = QLA_FUNCTION_FAILED;
592
593 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
594 ha->host_no, (u_long)&reg->flash_address));
595
596 spin_lock_irqsave(&ha->hardware_lock, flags);
597
598 /* Reset ISP chip. */
599 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
600
601 /*
602 * We need to have a delay here since the card will not respond while
603 * in reset causing an MCA on some architectures.
604 */
605 udelay(20);
606 data = qla2x00_debounce_register(&reg->ctrl_status);
607 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
608 udelay(5);
609 data = RD_REG_WORD(&reg->ctrl_status);
610 barrier();
611 }
612
613 if (!cnt)
614 goto chip_diag_failed;
615
616 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
617 ha->host_no));
618
619 /* Reset RISC processor. */
620 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
621 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
622
623 /* Workaround for QLA2312 PCI parity error */
624 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
625 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
626 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
627 udelay(5);
628 data = RD_MAILBOX_REG(ha, reg, 0);
629 barrier();
630 }
631 } else
632 udelay(10);
633
634 if (!cnt)
635 goto chip_diag_failed;
636
637 /* Check product ID of chip */
638 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
639
640 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
641 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
642 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
643 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
644 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
645 mb[3] != PROD_ID_3) {
646 qla_printk(KERN_WARNING, ha,
647 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
648
649 goto chip_diag_failed;
650 }
651 ha->product_id[0] = mb[1];
652 ha->product_id[1] = mb[2];
653 ha->product_id[2] = mb[3];
654 ha->product_id[3] = mb[4];
655
656 /* Adjust fw RISC transfer size */
657 if (ha->request_q_length > 1024)
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
659 else
660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
661 ha->request_q_length;
662
663 if (IS_QLA2200(ha) &&
664 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
665 /* Limit firmware transfer size with a 2200A */
666 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
667 ha->host_no));
668
669 ha->device_type |= DT_ISP2200A;
670 ha->fw_transfer_size = 128;
671 }
672
673 /* Wrap Incoming Mailboxes Test. */
674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
675
676 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
677 rval = qla2x00_mbx_reg_test(ha);
678 if (rval) {
679 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
680 ha->host_no));
681 qla_printk(KERN_WARNING, ha,
682 "Failed mailbox send register test\n");
683 }
684 else {
685 /* Flag a successful rval */
686 rval = QLA_SUCCESS;
687 }
688 spin_lock_irqsave(&ha->hardware_lock, flags);
689
690 chip_diag_failed:
691 if (rval)
692 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
693 "****\n", ha->host_no));
694
695 spin_unlock_irqrestore(&ha->hardware_lock, flags);
696
697 return (rval);
698 }
699
700 /**
701 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
702 * @ha: HA context
703 *
704 * Returns 0 on success.
705 */
706 int
707 qla24xx_chip_diag(scsi_qla_host_t *ha)
708 {
709 int rval;
710
711 /* Perform RISC reset. */
712 qla24xx_reset_risc(ha);
713
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
715
716 rval = qla2x00_mbx_reg_test(ha);
717 if (rval) {
718 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
719 ha->host_no));
720 qla_printk(KERN_WARNING, ha,
721 "Failed mailbox send register test\n");
722 } else {
723 /* Flag a successful rval */
724 rval = QLA_SUCCESS;
725 }
726
727 return rval;
728 }
729
730 void
731 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
732 {
733 int rval;
734 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
735 eft_size, fce_size;
736 dma_addr_t tc_dma;
737 void *tc;
738
739 if (ha->fw_dump) {
740 qla_printk(KERN_WARNING, ha,
741 "Firmware dump previously allocated.\n");
742 return;
743 }
744
745 ha->fw_dumped = 0;
746 fixed_size = mem_size = eft_size = fce_size = 0;
747 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
748 fixed_size = sizeof(struct qla2100_fw_dump);
749 } else if (IS_QLA23XX(ha)) {
750 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
751 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
752 sizeof(uint16_t);
753 } else if (IS_FWI2_CAPABLE(ha)) {
754 fixed_size = IS_QLA25XX(ha) ?
755 offsetof(struct qla25xx_fw_dump, ext_mem):
756 offsetof(struct qla24xx_fw_dump, ext_mem);
757 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
758 sizeof(uint32_t);
759
760 /* Allocate memory for Extended Trace Buffer. */
761 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
762 GFP_KERNEL);
763 if (!tc) {
764 qla_printk(KERN_WARNING, ha, "Unable to allocate "
765 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
766 goto cont_alloc;
767 }
768
769 memset(tc, 0, EFT_SIZE);
770 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
771 if (rval) {
772 qla_printk(KERN_WARNING, ha, "Unable to initialize "
773 "EFT (%d).\n", rval);
774 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
775 tc_dma);
776 goto cont_alloc;
777 }
778
779 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
780 EFT_SIZE / 1024);
781
782 eft_size = EFT_SIZE;
783 ha->eft_dma = tc_dma;
784 ha->eft = tc;
785
786 /* Allocate memory for Fibre Channel Event Buffer. */
787 if (!IS_QLA25XX(ha))
788 goto cont_alloc;
789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
795 goto cont_alloc;
796 }
797
798 memset(tc, 0, FCE_SIZE);
799 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
807 goto cont_alloc;
808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
813 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
817 }
818 cont_alloc:
819 req_q_size = ha->request_q_length * sizeof(request_t);
820 rsp_q_size = ha->response_q_length * sizeof(response_t);
821
822 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
823 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
824 eft_size + fce_size;
825
826 ha->fw_dump = vmalloc(dump_size);
827 if (!ha->fw_dump) {
828 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
829 "firmware dump!!!\n", dump_size / 1024);
830
831 if (ha->eft) {
832 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
833 ha->eft_dma);
834 ha->eft = NULL;
835 ha->eft_dma = 0;
836 }
837 return;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
841 dump_size / 1024);
842
843 ha->fw_dump_len = dump_size;
844 ha->fw_dump->signature[0] = 'Q';
845 ha->fw_dump->signature[1] = 'L';
846 ha->fw_dump->signature[2] = 'G';
847 ha->fw_dump->signature[3] = 'C';
848 ha->fw_dump->version = __constant_htonl(1);
849
850 ha->fw_dump->fixed_size = htonl(fixed_size);
851 ha->fw_dump->mem_size = htonl(mem_size);
852 ha->fw_dump->req_q_size = htonl(req_q_size);
853 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
854
855 ha->fw_dump->eft_size = htonl(eft_size);
856 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
857 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
858
859 ha->fw_dump->header_size =
860 htonl(offsetof(struct qla2xxx_fw_dump, isp));
861 }
862
863 /**
864 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869 static void
870 qla2x00_resize_request_q(scsi_qla_host_t *ha)
871 {
872 int rval;
873 uint16_t fw_iocb_cnt = 0;
874 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
875 dma_addr_t request_dma;
876 request_t *request_ring;
877
878 /* Valid only on recent ISPs. */
879 if (IS_QLA2100(ha) || IS_QLA2200(ha))
880 return;
881
882 /* Retrieve IOCB counts available to the firmware. */
883 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
884 &ha->max_npiv_vports);
885 if (rval)
886 return;
887 /* No point in continuing if current settings are sufficient. */
888 if (fw_iocb_cnt < 1024)
889 return;
890 if (ha->request_q_length >= request_q_length)
891 return;
892
893 /* Attempt to claim larger area for request queue. */
894 request_ring = dma_alloc_coherent(&ha->pdev->dev,
895 (request_q_length + 1) * sizeof(request_t), &request_dma,
896 GFP_KERNEL);
897 if (request_ring == NULL)
898 return;
899
900 /* Resize successful, report extensions. */
901 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
902 (ha->fw_memory_size + 1) / 1024);
903 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
904 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
905
906 /* Clear old allocations. */
907 dma_free_coherent(&ha->pdev->dev,
908 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
909 ha->request_dma);
910
911 /* Begin using larger queue. */
912 ha->request_q_length = request_q_length;
913 ha->request_ring = request_ring;
914 ha->request_dma = request_dma;
915 }
916
917 /**
918 * qla2x00_setup_chip() - Load and start RISC firmware.
919 * @ha: HA context
920 *
921 * Returns 0 on success.
922 */
923 static int
924 qla2x00_setup_chip(scsi_qla_host_t *ha)
925 {
926 int rval;
927 uint32_t srisc_address = 0;
928 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
929 unsigned long flags;
930
931 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
932 /* Disable SRAM, Instruction RAM and GP RAM parity. */
933 spin_lock_irqsave(&ha->hardware_lock, flags);
934 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
935 RD_REG_WORD(&reg->hccr);
936 spin_unlock_irqrestore(&ha->hardware_lock, flags);
937 }
938
939 /* Load firmware sequences */
940 rval = ha->isp_ops->load_risc(ha, &srisc_address);
941 if (rval == QLA_SUCCESS) {
942 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
943 "code.\n", ha->host_no));
944
945 rval = qla2x00_verify_checksum(ha, srisc_address);
946 if (rval == QLA_SUCCESS) {
947 /* Start firmware execution. */
948 DEBUG(printk("scsi(%ld): Checksum OK, start "
949 "firmware.\n", ha->host_no));
950
951 rval = qla2x00_execute_fw(ha, srisc_address);
952 /* Retrieve firmware information. */
953 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
954 qla2x00_get_fw_version(ha,
955 &ha->fw_major_version,
956 &ha->fw_minor_version,
957 &ha->fw_subminor_version,
958 &ha->fw_attributes, &ha->fw_memory_size);
959 qla2x00_resize_request_q(ha);
960 ha->flags.npiv_supported = 0;
961 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
962 (ha->fw_attributes & BIT_2)) {
963 ha->flags.npiv_supported = 1;
964 if ((!ha->max_npiv_vports) ||
965 ((ha->max_npiv_vports + 1) %
966 MIN_MULTI_ID_FABRIC))
967 ha->max_npiv_vports =
968 MIN_MULTI_ID_FABRIC - 1;
969 }
970
971 if (ql2xallocfwdump)
972 qla2x00_alloc_fw_dump(ha);
973 }
974 } else {
975 DEBUG2(printk(KERN_INFO
976 "scsi(%ld): ISP Firmware failed checksum.\n",
977 ha->host_no));
978 }
979 }
980
981 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
982 /* Enable proper parity. */
983 spin_lock_irqsave(&ha->hardware_lock, flags);
984 if (IS_QLA2300(ha))
985 /* SRAM parity */
986 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
987 else
988 /* SRAM, Instruction RAM and GP RAM parity */
989 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
990 RD_REG_WORD(&reg->hccr);
991 spin_unlock_irqrestore(&ha->hardware_lock, flags);
992 }
993
994 if (rval) {
995 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
996 ha->host_no));
997 }
998
999 return (rval);
1000 }
1001
1002 /**
1003 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1004 * @ha: HA context
1005 *
1006 * Beginning of request ring has initialization control block already built
1007 * by nvram config routine.
1008 *
1009 * Returns 0 on success.
1010 */
1011 static void
1012 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1013 {
1014 uint16_t cnt;
1015 response_t *pkt;
1016
1017 pkt = ha->response_ring_ptr;
1018 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1019 pkt->signature = RESPONSE_PROCESSED;
1020 pkt++;
1021 }
1022
1023 }
1024
1025 /**
1026 * qla2x00_update_fw_options() - Read and process firmware options.
1027 * @ha: HA context
1028 *
1029 * Returns 0 on success.
1030 */
1031 void
1032 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1033 {
1034 uint16_t swing, emphasis, tx_sens, rx_sens;
1035
1036 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1037 qla2x00_get_fw_options(ha, ha->fw_options);
1038
1039 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1040 return;
1041
1042 /* Serial Link options. */
1043 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1044 ha->host_no));
1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1046 sizeof(ha->fw_seriallink_options)));
1047
1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1049 if (ha->fw_seriallink_options[3] & BIT_2) {
1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1051
1052 /* 1G settings */
1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1054 emphasis = (ha->fw_seriallink_options[2] &
1055 (BIT_4 | BIT_3)) >> 3;
1056 tx_sens = ha->fw_seriallink_options[0] &
1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1058 rx_sens = (ha->fw_seriallink_options[0] &
1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1062 if (rx_sens == 0x0)
1063 rx_sens = 0x3;
1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1066 ha->fw_options[10] |= BIT_5 |
1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1068 (tx_sens & (BIT_1 | BIT_0));
1069
1070 /* 2G settings */
1071 swing = (ha->fw_seriallink_options[2] &
1072 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1074 tx_sens = ha->fw_seriallink_options[1] &
1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1076 rx_sens = (ha->fw_seriallink_options[1] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1080 if (rx_sens == 0x0)
1081 rx_sens = 0x3;
1082 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[11] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087 }
1088
1089 /* FCP2 options. */
1090 /* Return command IOCBs without waiting for an ABTS to complete. */
1091 ha->fw_options[3] |= BIT_13;
1092
1093 /* LED scheme. */
1094 if (ha->flags.enable_led_scheme)
1095 ha->fw_options[2] |= BIT_12;
1096
1097 /* Detect ISP6312. */
1098 if (IS_QLA6312(ha))
1099 ha->fw_options[2] |= BIT_13;
1100
1101 /* Update firmware options. */
1102 qla2x00_set_fw_options(ha, ha->fw_options);
1103 }
1104
1105 void
1106 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1107 {
1108 int rval;
1109
1110 /* Update Serial Link options. */
1111 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1112 return;
1113
1114 rval = qla2x00_set_serdes_params(ha,
1115 le16_to_cpu(ha->fw_seriallink_options24[1]),
1116 le16_to_cpu(ha->fw_seriallink_options24[2]),
1117 le16_to_cpu(ha->fw_seriallink_options24[3]));
1118 if (rval != QLA_SUCCESS) {
1119 qla_printk(KERN_WARNING, ha,
1120 "Unable to update Serial Link options (%x).\n", rval);
1121 }
1122 }
1123
1124 void
1125 qla2x00_config_rings(struct scsi_qla_host *ha)
1126 {
1127 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1128
1129 /* Setup ring parameters in initialization control block. */
1130 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1131 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1132 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1133 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1134 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1135 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1136 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1137 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1138
1139 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1140 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1141 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1142 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1143 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1144 }
1145
1146 void
1147 qla24xx_config_rings(struct scsi_qla_host *ha)
1148 {
1149 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1150 struct init_cb_24xx *icb;
1151
1152 /* Setup ring parameters in initialization control block. */
1153 icb = (struct init_cb_24xx *)ha->init_cb;
1154 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1155 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1156 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1157 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1158 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1159 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1160 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1161 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1162
1163 WRT_REG_DWORD(&reg->req_q_in, 0);
1164 WRT_REG_DWORD(&reg->req_q_out, 0);
1165 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1166 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1167 RD_REG_DWORD(&reg->rsp_q_out);
1168 }
1169
1170 /**
1171 * qla2x00_init_rings() - Initializes firmware.
1172 * @ha: HA context
1173 *
1174 * Beginning of request ring has initialization control block already built
1175 * by nvram config routine.
1176 *
1177 * Returns 0 on success.
1178 */
1179 static int
1180 qla2x00_init_rings(scsi_qla_host_t *ha)
1181 {
1182 int rval;
1183 unsigned long flags = 0;
1184 int cnt;
1185 struct mid_init_cb_24xx *mid_init_cb =
1186 (struct mid_init_cb_24xx *) ha->init_cb;
1187
1188 spin_lock_irqsave(&ha->hardware_lock, flags);
1189
1190 /* Clear outstanding commands array. */
1191 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1192 ha->outstanding_cmds[cnt] = NULL;
1193
1194 ha->current_outstanding_cmd = 0;
1195
1196 /* Clear RSCN queue. */
1197 ha->rscn_in_ptr = 0;
1198 ha->rscn_out_ptr = 0;
1199
1200 /* Initialize firmware. */
1201 ha->request_ring_ptr = ha->request_ring;
1202 ha->req_ring_index = 0;
1203 ha->req_q_cnt = ha->request_q_length;
1204 ha->response_ring_ptr = ha->response_ring;
1205 ha->rsp_ring_index = 0;
1206
1207 /* Initialize response queue entries */
1208 qla2x00_init_response_q_entries(ha);
1209
1210 ha->isp_ops->config_rings(ha);
1211
1212 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1213
1214 /* Update any ISP specific firmware options before initialization. */
1215 ha->isp_ops->update_fw_options(ha);
1216
1217 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1218
1219 if (ha->flags.npiv_supported)
1220 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1221
1222 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1223
1224 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1225 if (rval) {
1226 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1227 ha->host_no));
1228 } else {
1229 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1230 ha->host_no));
1231 }
1232
1233 return (rval);
1234 }
1235
1236 /**
1237 * qla2x00_fw_ready() - Waits for firmware ready.
1238 * @ha: HA context
1239 *
1240 * Returns 0 on success.
1241 */
1242 static int
1243 qla2x00_fw_ready(scsi_qla_host_t *ha)
1244 {
1245 int rval;
1246 unsigned long wtime, mtime;
1247 uint16_t min_wait; /* Minimum wait time if loop is down */
1248 uint16_t wait_time; /* Wait time if loop is coming ready */
1249 uint16_t fw_state;
1250
1251 rval = QLA_SUCCESS;
1252
1253 /* 20 seconds for loop down. */
1254 min_wait = 20;
1255
1256 /*
1257 * Firmware should take at most one RATOV to login, plus 5 seconds for
1258 * our own processing.
1259 */
1260 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1261 wait_time = min_wait;
1262 }
1263
1264 /* Min wait time if loop down */
1265 mtime = jiffies + (min_wait * HZ);
1266
1267 /* wait time before firmware ready */
1268 wtime = jiffies + (wait_time * HZ);
1269
1270 /* Wait for ISP to finish LIP */
1271 if (!ha->flags.init_done)
1272 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1273
1274 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1275 ha->host_no));
1276
1277 do {
1278 rval = qla2x00_get_firmware_state(ha, &fw_state);
1279 if (rval == QLA_SUCCESS) {
1280 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1281 ha->device_flags &= ~DFLG_NO_CABLE;
1282 }
1283 if (fw_state == FSTATE_READY) {
1284 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1285 ha->host_no));
1286
1287 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1288 &ha->login_timeout, &ha->r_a_tov);
1289
1290 rval = QLA_SUCCESS;
1291 break;
1292 }
1293
1294 rval = QLA_FUNCTION_FAILED;
1295
1296 if (atomic_read(&ha->loop_down_timer) &&
1297 fw_state != FSTATE_READY) {
1298 /* Loop down. Timeout on min_wait for states
1299 * other than Wait for Login.
1300 */
1301 if (time_after_eq(jiffies, mtime)) {
1302 qla_printk(KERN_INFO, ha,
1303 "Cable is unplugged...\n");
1304
1305 ha->device_flags |= DFLG_NO_CABLE;
1306 break;
1307 }
1308 }
1309 } else {
1310 /* Mailbox cmd failed. Timeout on min_wait. */
1311 if (time_after_eq(jiffies, mtime))
1312 break;
1313 }
1314
1315 if (time_after_eq(jiffies, wtime))
1316 break;
1317
1318 /* Delay for a while */
1319 msleep(500);
1320
1321 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1322 ha->host_no, fw_state, jiffies));
1323 } while (1);
1324
1325 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1326 ha->host_no, fw_state, jiffies));
1327
1328 if (rval) {
1329 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1330 ha->host_no));
1331 }
1332
1333 return (rval);
1334 }
1335
1336 /*
1337 * qla2x00_configure_hba
1338 * Setup adapter context.
1339 *
1340 * Input:
1341 * ha = adapter state pointer.
1342 *
1343 * Returns:
1344 * 0 = success
1345 *
1346 * Context:
1347 * Kernel context.
1348 */
1349 static int
1350 qla2x00_configure_hba(scsi_qla_host_t *ha)
1351 {
1352 int rval;
1353 uint16_t loop_id;
1354 uint16_t topo;
1355 uint16_t sw_cap;
1356 uint8_t al_pa;
1357 uint8_t area;
1358 uint8_t domain;
1359 char connect_type[22];
1360
1361 /* Get host addresses. */
1362 rval = qla2x00_get_adapter_id(ha,
1363 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1364 if (rval != QLA_SUCCESS) {
1365 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1366 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1367 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1368 __func__, ha->host_no));
1369 } else {
1370 qla_printk(KERN_WARNING, ha,
1371 "ERROR -- Unable to get host loop ID.\n");
1372 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1373 }
1374 return (rval);
1375 }
1376
1377 if (topo == 4) {
1378 qla_printk(KERN_INFO, ha,
1379 "Cannot get topology - retrying.\n");
1380 return (QLA_FUNCTION_FAILED);
1381 }
1382
1383 ha->loop_id = loop_id;
1384
1385 /* initialize */
1386 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1387 ha->operating_mode = LOOP;
1388 ha->switch_cap = 0;
1389
1390 switch (topo) {
1391 case 0:
1392 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1393 ha->host_no));
1394 ha->current_topology = ISP_CFG_NL;
1395 strcpy(connect_type, "(Loop)");
1396 break;
1397
1398 case 1:
1399 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1400 ha->host_no));
1401 ha->switch_cap = sw_cap;
1402 ha->current_topology = ISP_CFG_FL;
1403 strcpy(connect_type, "(FL_Port)");
1404 break;
1405
1406 case 2:
1407 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1408 ha->host_no));
1409 ha->operating_mode = P2P;
1410 ha->current_topology = ISP_CFG_N;
1411 strcpy(connect_type, "(N_Port-to-N_Port)");
1412 break;
1413
1414 case 3:
1415 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1416 ha->host_no));
1417 ha->switch_cap = sw_cap;
1418 ha->operating_mode = P2P;
1419 ha->current_topology = ISP_CFG_F;
1420 strcpy(connect_type, "(F_Port)");
1421 break;
1422
1423 default:
1424 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1425 "Using NL.\n",
1426 ha->host_no, topo));
1427 ha->current_topology = ISP_CFG_NL;
1428 strcpy(connect_type, "(Loop)");
1429 break;
1430 }
1431
1432 /* Save Host port and loop ID. */
1433 /* byte order - Big Endian */
1434 ha->d_id.b.domain = domain;
1435 ha->d_id.b.area = area;
1436 ha->d_id.b.al_pa = al_pa;
1437
1438 if (!ha->flags.init_done)
1439 qla_printk(KERN_INFO, ha,
1440 "Topology - %s, Host Loop address 0x%x\n",
1441 connect_type, ha->loop_id);
1442
1443 if (rval) {
1444 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1445 } else {
1446 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1447 }
1448
1449 return(rval);
1450 }
1451
1452 static inline void
1453 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1454 {
1455 char *st, *en;
1456 uint16_t index;
1457
1458 if (memcmp(model, BINZERO, len) != 0) {
1459 strncpy(ha->model_number, model, len);
1460 st = en = ha->model_number;
1461 en += len - 1;
1462 while (en > st) {
1463 if (*en != 0x20 && *en != 0x00)
1464 break;
1465 *en-- = '\0';
1466 }
1467
1468 index = (ha->pdev->subsystem_device & 0xff);
1469 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1470 index < QLA_MODEL_NAMES)
1471 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1472 } else {
1473 index = (ha->pdev->subsystem_device & 0xff);
1474 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1475 index < QLA_MODEL_NAMES) {
1476 strcpy(ha->model_number,
1477 qla2x00_model_name[index * 2]);
1478 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1479 } else {
1480 strcpy(ha->model_number, def);
1481 }
1482 }
1483 }
1484
1485 /* On sparc systems, obtain port and node WWN from firmware
1486 * properties.
1487 */
1488 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1489 {
1490 #ifdef CONFIG_SPARC
1491 struct pci_dev *pdev = ha->pdev;
1492 struct device_node *dp = pci_device_to_OF_node(pdev);
1493 const u8 *val;
1494 int len;
1495
1496 val = of_get_property(dp, "port-wwn", &len);
1497 if (val && len >= WWN_SIZE)
1498 memcpy(nv->port_name, val, WWN_SIZE);
1499
1500 val = of_get_property(dp, "node-wwn", &len);
1501 if (val && len >= WWN_SIZE)
1502 memcpy(nv->node_name, val, WWN_SIZE);
1503 #endif
1504 }
1505
1506 /*
1507 * NVRAM configuration for ISP 2xxx
1508 *
1509 * Input:
1510 * ha = adapter block pointer.
1511 *
1512 * Output:
1513 * initialization control block in response_ring
1514 * host adapters parameters in host adapter block
1515 *
1516 * Returns:
1517 * 0 = success.
1518 */
1519 int
1520 qla2x00_nvram_config(scsi_qla_host_t *ha)
1521 {
1522 int rval;
1523 uint8_t chksum = 0;
1524 uint16_t cnt;
1525 uint8_t *dptr1, *dptr2;
1526 init_cb_t *icb = ha->init_cb;
1527 nvram_t *nv = ha->nvram;
1528 uint8_t *ptr = ha->nvram;
1529 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1530
1531 rval = QLA_SUCCESS;
1532
1533 /* Determine NVRAM starting address. */
1534 ha->nvram_size = sizeof(nvram_t);
1535 ha->nvram_base = 0;
1536 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1537 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1538 ha->nvram_base = 0x80;
1539
1540 /* Get NVRAM data and calculate checksum. */
1541 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1542 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1543 chksum += *ptr++;
1544
1545 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1546 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1547
1548 /* Bad NVRAM data, set defaults parameters. */
1549 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1550 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1551 /* Reset NVRAM data. */
1552 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1553 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1554 nv->nvram_version);
1555 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1556 "invalid -- WWPN) defaults.\n");
1557
1558 /*
1559 * Set default initialization control block.
1560 */
1561 memset(nv, 0, ha->nvram_size);
1562 nv->parameter_block_version = ICB_VERSION;
1563
1564 if (IS_QLA23XX(ha)) {
1565 nv->firmware_options[0] = BIT_2 | BIT_1;
1566 nv->firmware_options[1] = BIT_7 | BIT_5;
1567 nv->add_firmware_options[0] = BIT_5;
1568 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1569 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1570 nv->special_options[1] = BIT_7;
1571 } else if (IS_QLA2200(ha)) {
1572 nv->firmware_options[0] = BIT_2 | BIT_1;
1573 nv->firmware_options[1] = BIT_7 | BIT_5;
1574 nv->add_firmware_options[0] = BIT_5;
1575 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1576 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1577 } else if (IS_QLA2100(ha)) {
1578 nv->firmware_options[0] = BIT_3 | BIT_1;
1579 nv->firmware_options[1] = BIT_5;
1580 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1581 }
1582
1583 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1584 nv->execution_throttle = __constant_cpu_to_le16(16);
1585 nv->retry_count = 8;
1586 nv->retry_delay = 1;
1587
1588 nv->port_name[0] = 33;
1589 nv->port_name[3] = 224;
1590 nv->port_name[4] = 139;
1591
1592 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1593
1594 nv->login_timeout = 4;
1595
1596 /*
1597 * Set default host adapter parameters
1598 */
1599 nv->host_p[1] = BIT_2;
1600 nv->reset_delay = 5;
1601 nv->port_down_retry_count = 8;
1602 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1603 nv->link_down_timeout = 60;
1604
1605 rval = 1;
1606 }
1607
1608 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1609 /*
1610 * The SN2 does not provide BIOS emulation which means you can't change
1611 * potentially bogus BIOS settings. Force the use of default settings
1612 * for link rate and frame size. Hope that the rest of the settings
1613 * are valid.
1614 */
1615 if (ia64_platform_is("sn2")) {
1616 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1617 if (IS_QLA23XX(ha))
1618 nv->special_options[1] = BIT_7;
1619 }
1620 #endif
1621
1622 /* Reset Initialization control block */
1623 memset(icb, 0, ha->init_cb_size);
1624
1625 /*
1626 * Setup driver NVRAM options.
1627 */
1628 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1629 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1630 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1631 nv->firmware_options[1] &= ~BIT_4;
1632
1633 if (IS_QLA23XX(ha)) {
1634 nv->firmware_options[0] |= BIT_2;
1635 nv->firmware_options[0] &= ~BIT_3;
1636 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1637
1638 if (IS_QLA2300(ha)) {
1639 if (ha->fb_rev == FPM_2310) {
1640 strcpy(ha->model_number, "QLA2310");
1641 } else {
1642 strcpy(ha->model_number, "QLA2300");
1643 }
1644 } else {
1645 qla2x00_set_model_info(ha, nv->model_number,
1646 sizeof(nv->model_number), "QLA23xx");
1647 }
1648 } else if (IS_QLA2200(ha)) {
1649 nv->firmware_options[0] |= BIT_2;
1650 /*
1651 * 'Point-to-point preferred, else loop' is not a safe
1652 * connection mode setting.
1653 */
1654 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1655 (BIT_5 | BIT_4)) {
1656 /* Force 'loop preferred, else point-to-point'. */
1657 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1658 nv->add_firmware_options[0] |= BIT_5;
1659 }
1660 strcpy(ha->model_number, "QLA22xx");
1661 } else /*if (IS_QLA2100(ha))*/ {
1662 strcpy(ha->model_number, "QLA2100");
1663 }
1664
1665 /*
1666 * Copy over NVRAM RISC parameter block to initialization control block.
1667 */
1668 dptr1 = (uint8_t *)icb;
1669 dptr2 = (uint8_t *)&nv->parameter_block_version;
1670 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1671 while (cnt--)
1672 *dptr1++ = *dptr2++;
1673
1674 /* Copy 2nd half. */
1675 dptr1 = (uint8_t *)icb->add_firmware_options;
1676 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1677 while (cnt--)
1678 *dptr1++ = *dptr2++;
1679
1680 /* Use alternate WWN? */
1681 if (nv->host_p[1] & BIT_7) {
1682 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1683 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1684 }
1685
1686 /* Prepare nodename */
1687 if ((icb->firmware_options[1] & BIT_6) == 0) {
1688 /*
1689 * Firmware will apply the following mask if the nodename was
1690 * not provided.
1691 */
1692 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1693 icb->node_name[0] &= 0xF0;
1694 }
1695
1696 /*
1697 * Set host adapter parameters.
1698 */
1699 if (nv->host_p[0] & BIT_7)
1700 ql2xextended_error_logging = 1;
1701 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1702 /* Always load RISC code on non ISP2[12]00 chips. */
1703 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1704 ha->flags.disable_risc_code_load = 0;
1705 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1706 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1707 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1708 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1709 ha->flags.disable_serdes = 0;
1710
1711 ha->operating_mode =
1712 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1713
1714 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1715 sizeof(ha->fw_seriallink_options));
1716
1717 /* save HBA serial number */
1718 ha->serial0 = icb->port_name[5];
1719 ha->serial1 = icb->port_name[6];
1720 ha->serial2 = icb->port_name[7];
1721 ha->node_name = icb->node_name;
1722 ha->port_name = icb->port_name;
1723
1724 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1725
1726 ha->retry_count = nv->retry_count;
1727
1728 /* Set minimum login_timeout to 4 seconds. */
1729 if (nv->login_timeout < ql2xlogintimeout)
1730 nv->login_timeout = ql2xlogintimeout;
1731 if (nv->login_timeout < 4)
1732 nv->login_timeout = 4;
1733 ha->login_timeout = nv->login_timeout;
1734 icb->login_timeout = nv->login_timeout;
1735
1736 <<<<<<< HEAD:drivers/scsi/qla2xxx/qla_init.c
1737 /* Set minimum RATOV to 200 tenths of a second. */
1738 ha->r_a_tov = 200;
1739 =======
1740 /* Set minimum RATOV to 100 tenths of a second. */
1741 ha->r_a_tov = 100;
1742 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/scsi/qla2xxx/qla_init.c
1743
1744 ha->loop_reset_delay = nv->reset_delay;
1745
1746 /* Link Down Timeout = 0:
1747 *
1748 * When Port Down timer expires we will start returning
1749 * I/O's to OS with "DID_NO_CONNECT".
1750 *
1751 * Link Down Timeout != 0:
1752 *
1753 * The driver waits for the link to come up after link down
1754 * before returning I/Os to OS with "DID_NO_CONNECT".
1755 */
1756 if (nv->link_down_timeout == 0) {
1757 ha->loop_down_abort_time =
1758 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1759 } else {
1760 ha->link_down_timeout = nv->link_down_timeout;
1761 ha->loop_down_abort_time =
1762 (LOOP_DOWN_TIME - ha->link_down_timeout);
1763 }
1764
1765 /*
1766 * Need enough time to try and get the port back.
1767 */
1768 ha->port_down_retry_count = nv->port_down_retry_count;
1769 if (qlport_down_retry)
1770 ha->port_down_retry_count = qlport_down_retry;
1771 /* Set login_retry_count */
1772 ha->login_retry_count = nv->retry_count;
1773 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1774 ha->port_down_retry_count > 3)
1775 ha->login_retry_count = ha->port_down_retry_count;
1776 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1777 ha->login_retry_count = ha->port_down_retry_count;
1778 if (ql2xloginretrycount)
1779 ha->login_retry_count = ql2xloginretrycount;
1780
1781 icb->lun_enables = __constant_cpu_to_le16(0);
1782 icb->command_resource_count = 0;
1783 icb->immediate_notify_resource_count = 0;
1784 icb->timeout = __constant_cpu_to_le16(0);
1785
1786 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1787 /* Enable RIO */
1788 icb->firmware_options[0] &= ~BIT_3;
1789 icb->add_firmware_options[0] &=
1790 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1791 icb->add_firmware_options[0] |= BIT_2;
1792 icb->response_accumulation_timer = 3;
1793 icb->interrupt_delay_timer = 5;
1794
1795 ha->flags.process_response_queue = 1;
1796 } else {
1797 /* Enable ZIO. */
1798 if (!ha->flags.init_done) {
1799 ha->zio_mode = icb->add_firmware_options[0] &
1800 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1801 ha->zio_timer = icb->interrupt_delay_timer ?
1802 icb->interrupt_delay_timer: 2;
1803 }
1804 icb->add_firmware_options[0] &=
1805 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1806 ha->flags.process_response_queue = 0;
1807 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1808 ha->zio_mode = QLA_ZIO_MODE_6;
1809
1810 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1811 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1812 ha->zio_timer * 100));
1813 qla_printk(KERN_INFO, ha,
1814 "ZIO mode %d enabled; timer delay (%d us).\n",
1815 ha->zio_mode, ha->zio_timer * 100);
1816
1817 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1818 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1819 ha->flags.process_response_queue = 1;
1820 }
1821 }
1822
1823 if (rval) {
1824 DEBUG2_3(printk(KERN_WARNING
1825 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1826 }
1827 return (rval);
1828 }
1829
1830 static void
1831 qla2x00_rport_del(void *data)
1832 {
1833 fc_port_t *fcport = data;
1834 struct fc_rport *rport;
1835 unsigned long flags;
1836
1837 spin_lock_irqsave(&fcport->rport_lock, flags);
1838 rport = fcport->drport;
1839 fcport->drport = NULL;
1840 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1841 if (rport)
1842 fc_remote_port_delete(rport);
1843 }
1844
1845 /**
1846 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1847 * @ha: HA context
1848 * @flags: allocation flags
1849 *
1850 * Returns a pointer to the allocated fcport, or NULL, if none available.
1851 */
1852 static fc_port_t *
1853 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1854 {
1855 fc_port_t *fcport;
1856
1857 fcport = kzalloc(sizeof(fc_port_t), flags);
1858 if (!fcport)
1859 return NULL;
1860
1861 /* Setup fcport template structure. */
1862 fcport->ha = ha;
1863 fcport->vp_idx = ha->vp_idx;
1864 fcport->port_type = FCT_UNKNOWN;
1865 fcport->loop_id = FC_NO_LOOP_ID;
1866 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1867 fcport->flags = FCF_RLC_SUPPORT;
1868 fcport->supported_classes = FC_COS_UNSPECIFIED;
1869 spin_lock_init(&fcport->rport_lock);
1870
1871 return fcport;
1872 }
1873
1874 /*
1875 * qla2x00_configure_loop
1876 * Updates Fibre Channel Device Database with what is actually on loop.
1877 *
1878 * Input:
1879 * ha = adapter block pointer.
1880 *
1881 * Returns:
1882 * 0 = success.
1883 * 1 = error.
1884 * 2 = database was full and device was not configured.
1885 */
1886 static int
1887 qla2x00_configure_loop(scsi_qla_host_t *ha)
1888 {
1889 int rval;
1890 unsigned long flags, save_flags;
1891
1892 rval = QLA_SUCCESS;
1893
1894 /* Get Initiator ID */
1895 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1896 rval = qla2x00_configure_hba(ha);
1897 if (rval != QLA_SUCCESS) {
1898 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1899 ha->host_no));
1900 return (rval);
1901 }
1902 }
1903
1904 save_flags = flags = ha->dpc_flags;
1905 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1906 ha->host_no, flags));
1907
1908 /*
1909 * If we have both an RSCN and PORT UPDATE pending then handle them
1910 * both at the same time.
1911 */
1912 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1913 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1914
1915 /* Determine what we need to do */
1916 if (ha->current_topology == ISP_CFG_FL &&
1917 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1918
1919 ha->flags.rscn_queue_overflow = 1;
1920 set_bit(RSCN_UPDATE, &flags);
1921
1922 } else if (ha->current_topology == ISP_CFG_F &&
1923 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1924
1925 ha->flags.rscn_queue_overflow = 1;
1926 set_bit(RSCN_UPDATE, &flags);
1927 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1928
1929 } else if (ha->current_topology == ISP_CFG_N) {
1930 clear_bit(RSCN_UPDATE, &flags);
1931
1932 } else if (!ha->flags.online ||
1933 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1934
1935 ha->flags.rscn_queue_overflow = 1;
1936 set_bit(RSCN_UPDATE, &flags);
1937 set_bit(LOCAL_LOOP_UPDATE, &flags);
1938 }
1939
1940 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1941 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1942 rval = QLA_FUNCTION_FAILED;
1943 } else {
1944 rval = qla2x00_configure_local_loop(ha);
1945 }
1946 }
1947
1948 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1949 if (LOOP_TRANSITION(ha)) {
1950 rval = QLA_FUNCTION_FAILED;
1951 } else {
1952 rval = qla2x00_configure_fabric(ha);
1953 }
1954 }
1955
1956 if (rval == QLA_SUCCESS) {
1957 if (atomic_read(&ha->loop_down_timer) ||
1958 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1959 rval = QLA_FUNCTION_FAILED;
1960 } else {
1961 atomic_set(&ha->loop_state, LOOP_READY);
1962
1963 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1964 }
1965 }
1966
1967 if (rval) {
1968 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1969 __func__, ha->host_no));
1970 } else {
1971 DEBUG3(printk("%s: exiting normally\n", __func__));
1972 }
1973
1974 /* Restore state if a resync event occured during processing */
1975 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1976 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1977 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1978 if (test_bit(RSCN_UPDATE, &save_flags))
1979 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1980 }
1981
1982 return (rval);
1983 }
1984
1985
1986
1987 /*
1988 * qla2x00_configure_local_loop
1989 * Updates Fibre Channel Device Database with local loop devices.
1990 *
1991 * Input:
1992 * ha = adapter block pointer.
1993 *
1994 * Returns:
1995 * 0 = success.
1996 */
1997 static int
1998 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1999 {
2000 int rval, rval2;
2001 int found_devs;
2002 int found;
2003 fc_port_t *fcport, *new_fcport;
2004
2005 uint16_t index;
2006 uint16_t entries;
2007 char *id_iter;
2008 uint16_t loop_id;
2009 uint8_t domain, area, al_pa;
2010 scsi_qla_host_t *pha = to_qla_parent(ha);
2011
2012 found_devs = 0;
2013 new_fcport = NULL;
2014 entries = MAX_FIBRE_DEVICES;
2015
2016 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2017 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2018
2019 /* Get list of logged in devices. */
2020 memset(ha->gid_list, 0, GID_LIST_SIZE);
2021 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2022 &entries);
2023 if (rval != QLA_SUCCESS)
2024 goto cleanup_allocation;
2025
2026 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2027 ha->host_no, entries));
2028 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2029 entries * sizeof(struct gid_list_info)));
2030
2031 /* Allocate temporary fcport for any new fcports discovered. */
2032 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2033 if (new_fcport == NULL) {
2034 rval = QLA_MEMORY_ALLOC_FAILED;
2035 goto cleanup_allocation;
2036 }
2037 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2038
2039 /*
2040 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2041 */
2042 list_for_each_entry(fcport, &pha->fcports, list) {
2043 if (fcport->vp_idx != ha->vp_idx)
2044 continue;
2045
2046 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2047 fcport->port_type != FCT_BROADCAST &&
2048 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2049
2050 DEBUG(printk("scsi(%ld): Marking port lost, "
2051 "loop_id=0x%04x\n",
2052 ha->host_no, fcport->loop_id));
2053
2054 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2055 fcport->flags &= ~FCF_FARP_DONE;
2056 }
2057 }
2058
2059 /* Add devices to port list. */
2060 id_iter = (char *)ha->gid_list;
2061 for (index = 0; index < entries; index++) {
2062 domain = ((struct gid_list_info *)id_iter)->domain;
2063 area = ((struct gid_list_info *)id_iter)->area;
2064 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2065 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2066 loop_id = (uint16_t)
2067 ((struct gid_list_info *)id_iter)->loop_id_2100;
2068 else
2069 loop_id = le16_to_cpu(
2070 ((struct gid_list_info *)id_iter)->loop_id);
2071 id_iter += ha->gid_list_info_size;
2072
2073 /* Bypass reserved domain fields. */
2074 if ((domain & 0xf0) == 0xf0)
2075 continue;
2076
2077 /* Bypass if not same domain and area of adapter. */
2078 if (area && domain &&
2079 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2080 continue;
2081
2082 /* Bypass invalid local loop ID. */
2083 if (loop_id > LAST_LOCAL_LOOP_ID)
2084 continue;
2085
2086 /* Fill in member data. */
2087 new_fcport->d_id.b.domain = domain;
2088 new_fcport->d_id.b.area = area;
2089 new_fcport->d_id.b.al_pa = al_pa;
2090 new_fcport->loop_id = loop_id;
2091 new_fcport->vp_idx = ha->vp_idx;
2092 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2093 if (rval2 != QLA_SUCCESS) {
2094 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2095 "information -- get_port_database=%x, "
2096 "loop_id=0x%04x\n",
2097 ha->host_no, rval2, new_fcport->loop_id));
2098 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2099 ha->host_no));
2100 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2101 continue;
2102 }
2103
2104 /* Check for matching device in port list. */
2105 found = 0;
2106 fcport = NULL;
2107 list_for_each_entry(fcport, &pha->fcports, list) {
2108 if (fcport->vp_idx != ha->vp_idx)
2109 continue;
2110
2111 if (memcmp(new_fcport->port_name, fcport->port_name,
2112 WWN_SIZE))
2113 continue;
2114
2115 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2116 FCF_PERSISTENT_BOUND);
2117 fcport->loop_id = new_fcport->loop_id;
2118 fcport->port_type = new_fcport->port_type;
2119 fcport->d_id.b24 = new_fcport->d_id.b24;
2120 memcpy(fcport->node_name, new_fcport->node_name,
2121 WWN_SIZE);
2122
2123 found++;
2124 break;
2125 }
2126
2127 if (!found) {
2128 /* New device, add to fcports list. */
2129 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2130 if (ha->parent) {
2131 new_fcport->ha = ha;
2132 new_fcport->vp_idx = ha->vp_idx;
2133 list_add_tail(&new_fcport->vp_fcport,
2134 &ha->vp_fcports);
2135 }
2136 list_add_tail(&new_fcport->list, &pha->fcports);
2137
2138 /* Allocate a new replacement fcport. */
2139 fcport = new_fcport;
2140 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2141 if (new_fcport == NULL) {
2142 rval = QLA_MEMORY_ALLOC_FAILED;
2143 goto cleanup_allocation;
2144 }
2145 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2146 }
2147
2148 /* Base iIDMA settings on HBA port speed. */
2149 fcport->fp_speed = ha->link_data_rate;
2150
2151 qla2x00_update_fcport(ha, fcport);
2152
2153 found_devs++;
2154 }
2155
2156 cleanup_allocation:
2157 kfree(new_fcport);
2158
2159 if (rval != QLA_SUCCESS) {
2160 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2161 "rval=%x\n", ha->host_no, rval));
2162 }
2163
2164 if (found_devs) {
2165 ha->device_flags |= DFLG_LOCAL_DEVICES;
2166 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2167 }
2168
2169 return (rval);
2170 }
2171
2172 static void
2173 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2174 {
2175 fc_port_t *fcport;
2176
2177 qla2x00_mark_all_devices_lost(ha, 0);
2178 list_for_each_entry(fcport, &ha->fcports, list) {
2179 if (fcport->port_type != FCT_TARGET)
2180 continue;
2181
2182 qla2x00_update_fcport(ha, fcport);
2183 }
2184 }
2185
2186 static void
2187 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2188 {
2189 #define LS_UNKNOWN 2
2190 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2191 int rval;
2192 uint16_t mb[6];
2193
2194 if (!IS_IIDMA_CAPABLE(ha))
2195 return;
2196
2197 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2198 fcport->fp_speed > ha->link_data_rate)
2199 return;
2200
2201 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2202 mb);
2203 if (rval != QLA_SUCCESS) {
2204 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2205 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2206 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2207 fcport->port_name[2], fcport->port_name[3],
2208 fcport->port_name[4], fcport->port_name[5],
2209 fcport->port_name[6], fcport->port_name[7], rval,
2210 fcport->fp_speed, mb[0], mb[1]));
2211 } else {
2212 DEBUG2(qla_printk(KERN_INFO, ha,
2213 "iIDMA adjusted to %s GB/s on "
2214 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2215 link_speeds[fcport->fp_speed], fcport->port_name[0],
2216 fcport->port_name[1], fcport->port_name[2],
2217 fcport->port_name[3], fcport->port_name[4],
2218 fcport->port_name[5], fcport->port_name[6],
2219 fcport->port_name[7]));
2220 }
2221 }
2222
2223 static void
2224 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2225 {
2226 struct fc_rport_identifiers rport_ids;
2227 struct fc_rport *rport;
2228 unsigned long flags;
2229
2230 if (fcport->drport)
2231 qla2x00_rport_del(fcport);
2232 if (fcport->rport)
2233 return;
2234
2235 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2236 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2237 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2238 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2239 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2240 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2241 if (!rport) {
2242 qla_printk(KERN_WARNING, ha,
2243 "Unable to allocate fc remote port!\n");
2244 return;
2245 }
2246 spin_lock_irqsave(&fcport->rport_lock, flags);
2247 fcport->rport = rport;
2248 *((fc_port_t **)rport->dd_data) = fcport;
2249 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2250
2251 rport->supported_classes = fcport->supported_classes;
2252
2253 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2254 if (fcport->port_type == FCT_INITIATOR)
2255 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2256 if (fcport->port_type == FCT_TARGET)
2257 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2258 fc_remote_port_rolechg(rport, rport_ids.roles);
2259
2260 if (rport->scsi_target_id != -1 &&
2261 rport->scsi_target_id < ha->host->max_id)
2262 fcport->os_target_id = rport->scsi_target_id;
2263 }
2264
2265 /*
2266 * qla2x00_update_fcport
2267 * Updates device on list.
2268 *
2269 * Input:
2270 * ha = adapter block pointer.
2271 * fcport = port structure pointer.
2272 *
2273 * Return:
2274 * 0 - Success
2275 * BIT_0 - error
2276 *
2277 * Context:
2278 * Kernel context.
2279 */
2280 void
2281 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2282 {
2283 scsi_qla_host_t *pha = to_qla_parent(ha);
2284
2285 fcport->ha = ha;
2286 fcport->login_retry = 0;
2287 fcport->port_login_retry_count = pha->port_down_retry_count *
2288 PORT_RETRY_TIME;
2289 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2290 PORT_RETRY_TIME);
2291 fcport->flags &= ~FCF_LOGIN_NEEDED;
2292
2293 qla2x00_iidma_fcport(ha, fcport);
2294
2295 atomic_set(&fcport->state, FCS_ONLINE);
2296
2297 qla2x00_reg_remote_port(ha, fcport);
2298 }
2299
2300 /*
2301 * qla2x00_configure_fabric
2302 * Setup SNS devices with loop ID's.
2303 *
2304 * Input:
2305 * ha = adapter block pointer.
2306 *
2307 * Returns:
2308 * 0 = success.
2309 * BIT_0 = error
2310 */
2311 static int
2312 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2313 {
2314 int rval, rval2;
2315 fc_port_t *fcport, *fcptemp;
2316 uint16_t next_loopid;
2317 uint16_t mb[MAILBOX_REGISTER_COUNT];
2318 uint16_t loop_id;
2319 LIST_HEAD(new_fcports);
2320 scsi_qla_host_t *pha = to_qla_parent(ha);
2321
2322 /* If FL port exists, then SNS is present */
2323 if (IS_FWI2_CAPABLE(ha))
2324 loop_id = NPH_F_PORT;
2325 else
2326 loop_id = SNS_FL_PORT;
2327 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2328 if (rval != QLA_SUCCESS) {
2329 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2330 "Port\n", ha->host_no));
2331
2332 ha->device_flags &= ~SWITCH_FOUND;
2333 return (QLA_SUCCESS);
2334 }
2335 ha->device_flags |= SWITCH_FOUND;
2336
2337 /* Mark devices that need re-synchronization. */
2338 rval2 = qla2x00_device_resync(ha);
2339 if (rval2 == QLA_RSCNS_HANDLED) {
2340 /* No point doing the scan, just continue. */
2341 return (QLA_SUCCESS);
2342 }
2343 do {
2344 /* FDMI support. */
2345 if (ql2xfdmienable &&
2346 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2347 qla2x00_fdmi_register(ha);
2348
2349 /* Ensure we are logged into the SNS. */
2350 if (IS_FWI2_CAPABLE(ha))
2351 loop_id = NPH_SNS;
2352 else
2353 loop_id = SIMPLE_NAME_SERVER;
2354 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2355 0xfc, mb, BIT_1 | BIT_0);
2356 if (mb[0] != MBS_COMMAND_COMPLETE) {
2357 DEBUG2(qla_printk(KERN_INFO, ha,
2358 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2359 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2360 mb[0], mb[1], mb[2], mb[6], mb[7]));
2361 return (QLA_SUCCESS);
2362 }
2363
2364 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2365 if (qla2x00_rft_id(ha)) {
2366 /* EMPTY */
2367 DEBUG2(printk("scsi(%ld): Register FC-4 "
2368 "TYPE failed.\n", ha->host_no));
2369 }
2370 if (qla2x00_rff_id(ha)) {
2371 /* EMPTY */
2372 DEBUG2(printk("scsi(%ld): Register FC-4 "
2373 "Features failed.\n", ha->host_no));
2374 }
2375 if (qla2x00_rnn_id(ha)) {
2376 /* EMPTY */
2377 DEBUG2(printk("scsi(%ld): Register Node Name "
2378 "failed.\n", ha->host_no));
2379 } else if (qla2x00_rsnn_nn(ha)) {
2380 /* EMPTY */
2381 DEBUG2(printk("scsi(%ld): Register Symbolic "
2382 "Node Name failed.\n", ha->host_no));
2383 }
2384 }
2385
2386 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2387 if (rval != QLA_SUCCESS)
2388 break;
2389
2390 /*
2391 * Logout all previous fabric devices marked lost, except
2392 * tape devices.
2393 */
2394 list_for_each_entry(fcport, &pha->fcports, list) {
2395 if (fcport->vp_idx !=ha->vp_idx)
2396 continue;
2397
2398 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2399 break;
2400
2401 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2402 continue;
2403
2404 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2405 qla2x00_mark_device_lost(ha, fcport,
2406 ql2xplogiabsentdevice, 0);
2407 if (fcport->loop_id != FC_NO_LOOP_ID &&
2408 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2409 fcport->port_type != FCT_INITIATOR &&
2410 fcport->port_type != FCT_BROADCAST) {
2411 ha->isp_ops->fabric_logout(ha,
2412 fcport->loop_id,
2413 fcport->d_id.b.domain,
2414 fcport->d_id.b.area,
2415 fcport->d_id.b.al_pa);
2416 fcport->loop_id = FC_NO_LOOP_ID;
2417 }
2418 }
2419 }
2420
2421 /* Starting free loop ID. */
2422 next_loopid = pha->min_external_loopid;
2423
2424 /*
2425 * Scan through our port list and login entries that need to be
2426 * logged in.
2427 */
2428 list_for_each_entry(fcport, &pha->fcports, list) {
2429 if (fcport->vp_idx != ha->vp_idx)
2430 continue;
2431
2432 if (atomic_read(&ha->loop_down_timer) ||
2433 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2434 break;
2435
2436 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2437 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2438 continue;
2439
2440 if (fcport->loop_id == FC_NO_LOOP_ID) {
2441 fcport->loop_id = next_loopid;
2442 rval = qla2x00_find_new_loop_id(ha, fcport);
2443 if (rval != QLA_SUCCESS) {
2444 /* Ran out of IDs to use */
2445 break;
2446 }
2447 }
2448 /* Login and update database */
2449 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2450 }
2451
2452 /* Exit if out of loop IDs. */
2453 if (rval != QLA_SUCCESS) {
2454 break;
2455 }
2456
2457 /*
2458 * Login and add the new devices to our port list.
2459 */
2460 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2461 if (atomic_read(&ha->loop_down_timer) ||
2462 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2463 break;
2464
2465 /* Find a new loop ID to use. */
2466 fcport->loop_id = next_loopid;
2467 rval = qla2x00_find_new_loop_id(ha, fcport);
2468 if (rval != QLA_SUCCESS) {
2469 /* Ran out of IDs to use */
2470 break;
2471 }
2472
2473 /* Login and update database */
2474 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2475
2476 if (ha->parent) {
2477 fcport->ha = ha;
2478 fcport->vp_idx = ha->vp_idx;
2479 list_add_tail(&fcport->vp_fcport,
2480 &ha->vp_fcports);
2481 list_move_tail(&fcport->list,
2482 &ha->parent->fcports);
2483 } else
2484 list_move_tail(&fcport->list, &ha->fcports);
2485 }
2486 } while (0);
2487
2488 /* Free all new device structures not processed. */
2489 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2490 list_del(&fcport->list);
2491 kfree(fcport);
2492 }
2493
2494 if (rval) {
2495 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2496 "rval=%d\n", ha->host_no, rval));
2497 }
2498
2499 return (rval);
2500 }
2501
2502
2503 /*
2504 * qla2x00_find_all_fabric_devs
2505 *
2506 * Input:
2507 * ha = adapter block pointer.
2508 * dev = database device entry pointer.
2509 *
2510 * Returns:
2511 * 0 = success.
2512 *
2513 * Context:
2514 * Kernel context.
2515 */
2516 static int
2517 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2518 {
2519 int rval;
2520 uint16_t loop_id;
2521 fc_port_t *fcport, *new_fcport, *fcptemp;
2522 int found;
2523
2524 sw_info_t *swl;
2525 int swl_idx;
2526 int first_dev, last_dev;
2527 port_id_t wrap, nxt_d_id;
2528 int vp_index;
2529 int empty_vp_index;
2530 int found_vp;
2531 scsi_qla_host_t *vha;
2532 scsi_qla_host_t *pha = to_qla_parent(ha);
2533
2534 rval = QLA_SUCCESS;
2535
2536 /* Try GID_PT to get device list, else GAN. */
2537 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2538 if (!swl) {
2539 /*EMPTY*/
2540 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2541 "on GA_NXT\n", ha->host_no));
2542 } else {
2543 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2544 kfree(swl);
2545 swl = NULL;
2546 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2547 kfree(swl);
2548 swl = NULL;
2549 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2550 kfree(swl);
2551 swl = NULL;
2552 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2553 qla2x00_gpsc(ha, swl);
2554 }
2555 }
2556 swl_idx = 0;
2557
2558 /* Allocate temporary fcport for any new fcports discovered. */
2559 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2560 if (new_fcport == NULL) {
2561 kfree(swl);
2562 return (QLA_MEMORY_ALLOC_FAILED);
2563 }
2564 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2565 new_fcport->vp_idx = ha->vp_idx;
2566 /* Set start port ID scan at adapter ID. */
2567 first_dev = 1;
2568 last_dev = 0;
2569
2570 /* Starting free loop ID. */
2571 loop_id = pha->min_external_loopid;
2572 for (; loop_id <= ha->last_loop_id; loop_id++) {
2573 if (qla2x00_is_reserved_id(ha, loop_id))
2574 continue;
2575
2576 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2577 break;
2578
2579 if (swl != NULL) {
2580 if (last_dev) {
2581 wrap.b24 = new_fcport->d_id.b24;
2582 } else {
2583 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2584 memcpy(new_fcport->node_name,
2585 swl[swl_idx].node_name, WWN_SIZE);
2586 memcpy(new_fcport->port_name,
2587 swl[swl_idx].port_name, WWN_SIZE);
2588 memcpy(new_fcport->fabric_port_name,
2589 swl[swl_idx].fabric_port_name, WWN_SIZE);
2590 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2591
2592 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2593 last_dev = 1;
2594 }
2595 swl_idx++;
2596 }
2597 } else {
2598 /* Send GA_NXT to the switch */
2599 rval = qla2x00_ga_nxt(ha, new_fcport);
2600 if (rval != QLA_SUCCESS) {
2601 qla_printk(KERN_WARNING, ha,
2602 "SNS scan failed -- assuming zero-entry "
2603 "result...\n");
2604 list_for_each_entry_safe(fcport, fcptemp,
2605 new_fcports, list) {
2606 list_del(&fcport->list);
2607 kfree(fcport);
2608 }
2609 rval = QLA_SUCCESS;
2610 break;
2611 }
2612 }
2613
2614 /* If wrap on switch device list, exit. */
2615 if (first_dev) {
2616 wrap.b24 = new_fcport->d_id.b24;
2617 first_dev = 0;
2618 } else if (new_fcport->d_id.b24 == wrap.b24) {
2619 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2620 ha->host_no, new_fcport->d_id.b.domain,
2621 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2622 break;
2623 }
2624
2625 /* Bypass if same physical adapter. */
2626 if (new_fcport->d_id.b24 == pha->d_id.b24)
2627 continue;
2628
2629 /* Bypass virtual ports of the same host. */
2630 if (pha->num_vhosts) {
2631 for_each_mapped_vp_idx(pha, vp_index) {
2632 empty_vp_index = 1;
2633 found_vp = 0;
2634 list_for_each_entry(vha, &pha->vp_list,
2635 vp_list) {
2636 if (vp_index == vha->vp_idx) {
2637 empty_vp_index = 0;
2638 found_vp = 1;
2639 break;
2640 }
2641 }
2642
2643 if (empty_vp_index)
2644 continue;
2645
2646 if (found_vp &&
2647 new_fcport->d_id.b24 == vha->d_id.b24)
2648 break;
2649 }
2650
2651 if (vp_index <= pha->max_npiv_vports)
2652 continue;
2653 }
2654
2655 /* Bypass if same domain and area of adapter. */
2656 if (((new_fcport->d_id.b24 & 0xffff00) ==
2657 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2658 ISP_CFG_FL)
2659 continue;
2660
2661 /* Bypass reserved domain fields. */
2662 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2663 continue;
2664
2665 /* Locate matching device in database. */
2666 found = 0;
2667 list_for_each_entry(fcport, &pha->fcports, list) {
2668 if (new_fcport->vp_idx != fcport->vp_idx)
2669 continue;
2670 if (memcmp(new_fcport->port_name, fcport->port_name,
2671 WWN_SIZE))
2672 continue;
2673
2674 found++;
2675
2676 /* Update port state. */
2677 memcpy(fcport->fabric_port_name,
2678 new_fcport->fabric_port_name, WWN_SIZE);
2679 fcport->fp_speed = new_fcport->fp_speed;
2680
2681 /*
2682 * If address the same and state FCS_ONLINE, nothing
2683 * changed.
2684 */
2685 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2686 atomic_read(&fcport->state) == FCS_ONLINE) {
2687 break;
2688 }
2689
2690 /*
2691 * If device was not a fabric device before.
2692 */
2693 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2694 fcport->d_id.b24 = new_fcport->d_id.b24;
2695 fcport->loop_id = FC_NO_LOOP_ID;
2696 fcport->flags |= (FCF_FABRIC_DEVICE |
2697 FCF_LOGIN_NEEDED);
2698 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2699 break;
2700 }
2701
2702 /*
2703 * Port ID changed or device was marked to be updated;
2704 * Log it out if still logged in and mark it for
2705 * relogin later.
2706 */
2707 fcport->d_id.b24 = new_fcport->d_id.b24;
2708 fcport->flags |= FCF_LOGIN_NEEDED;
2709 if (fcport->loop_id != FC_NO_LOOP_ID &&
2710 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2711 fcport->port_type != FCT_INITIATOR &&
2712 fcport->port_type != FCT_BROADCAST) {
2713 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2714 fcport->d_id.b.domain, fcport->d_id.b.area,
2715 fcport->d_id.b.al_pa);
2716 fcport->loop_id = FC_NO_LOOP_ID;
2717 }
2718
2719 break;
2720 }
2721
2722 if (found)
2723 continue;
2724
2725 /* If device was not in our fcports list, then add it. */
2726 list_add_tail(&new_fcport->list, new_fcports);
2727
2728 /* Allocate a new replacement fcport. */
2729 nxt_d_id.b24 = new_fcport->d_id.b24;
2730 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2731 if (new_fcport == NULL) {
2732 kfree(swl);
2733 return (QLA_MEMORY_ALLOC_FAILED);
2734 }
2735 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2736 new_fcport->d_id.b24 = nxt_d_id.b24;
2737 new_fcport->vp_idx = ha->vp_idx;
2738 }
2739
2740 kfree(swl);
2741 kfree(new_fcport);
2742
2743 if (!list_empty(new_fcports))
2744 ha->device_flags |= DFLG_FABRIC_DEVICES;
2745
2746 return (rval);
2747 }
2748
2749 /*
2750 * qla2x00_find_new_loop_id
2751 * Scan through our port list and find a new usable loop ID.
2752 *
2753 * Input:
2754 * ha: adapter state pointer.
2755 * dev: port structure pointer.
2756 *
2757 * Returns:
2758 * qla2x00 local function return status code.
2759 *
2760 * Context:
2761 * Kernel context.
2762 */
2763 static int
2764 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2765 {
2766 int rval;
2767 int found;
2768 fc_port_t *fcport;
2769 uint16_t first_loop_id;
2770 scsi_qla_host_t *pha = to_qla_parent(ha);
2771
2772 rval = QLA_SUCCESS;
2773
2774 /* Save starting loop ID. */
2775 first_loop_id = dev->loop_id;
2776
2777 for (;;) {
2778 /* Skip loop ID if already used by adapter. */
2779 if (dev->loop_id == ha->loop_id) {
2780 dev->loop_id++;
2781 }
2782
2783 /* Skip reserved loop IDs. */
2784 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2785 dev->loop_id++;
2786 }
2787
2788 /* Reset loop ID if passed the end. */
2789 if (dev->loop_id > ha->last_loop_id) {
2790 /* first loop ID. */
2791 dev->loop_id = ha->min_external_loopid;
2792 }
2793
2794 /* Check for loop ID being already in use. */
2795 found = 0;
2796 fcport = NULL;
2797 list_for_each_entry(fcport, &pha->fcports, list) {
2798 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2799 /* ID possibly in use */
2800 found++;
2801 break;
2802 }
2803 }
2804
2805 /* If not in use then it is free to use. */
2806 if (!found) {
2807 break;
2808 }
2809
2810 /* ID in use. Try next value. */
2811 dev->loop_id++;
2812
2813 /* If wrap around. No free ID to use. */
2814 if (dev->loop_id == first_loop_id) {
2815 dev->loop_id = FC_NO_LOOP_ID;
2816 rval = QLA_FUNCTION_FAILED;
2817 break;
2818 }
2819 }
2820
2821 return (rval);
2822 }
2823
2824 /*
2825 * qla2x00_device_resync
2826 * Marks devices in the database that needs resynchronization.
2827 *
2828 * Input:
2829 * ha = adapter block pointer.
2830 *
2831 * Context:
2832 * Kernel context.
2833 */
2834 static int
2835 qla2x00_device_resync(scsi_qla_host_t *ha)
2836 {
2837 int rval;
2838 uint32_t mask;
2839 fc_port_t *fcport;
2840 uint32_t rscn_entry;
2841 uint8_t rscn_out_iter;
2842 uint8_t format;
2843 port_id_t d_id;
2844 scsi_qla_host_t *pha = to_qla_parent(ha);
2845
2846 rval = QLA_RSCNS_HANDLED;
2847
2848 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2849 ha->flags.rscn_queue_overflow) {
2850
2851 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2852 format = MSB(MSW(rscn_entry));
2853 d_id.b.domain = LSB(MSW(rscn_entry));
2854 d_id.b.area = MSB(LSW(rscn_entry));
2855 d_id.b.al_pa = LSB(LSW(rscn_entry));
2856
2857 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2858 "[%02x/%02x%02x%02x].\n",
2859 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2860 d_id.b.area, d_id.b.al_pa));
2861
2862 ha->rscn_out_ptr++;
2863 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2864 ha->rscn_out_ptr = 0;
2865
2866 /* Skip duplicate entries. */
2867 for (rscn_out_iter = ha->rscn_out_ptr;
2868 !ha->flags.rscn_queue_overflow &&
2869 rscn_out_iter != ha->rscn_in_ptr;
2870 rscn_out_iter = (rscn_out_iter ==
2871 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2872
2873 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2874 break;
2875
2876 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2877 "entry found at [%d].\n", ha->host_no,
2878 rscn_out_iter));
2879
2880 ha->rscn_out_ptr = rscn_out_iter;
2881 }
2882
2883 /* Queue overflow, set switch default case. */
2884 if (ha->flags.rscn_queue_overflow) {
2885 DEBUG(printk("scsi(%ld): device_resync: rscn "
2886 "overflow.\n", ha->host_no));
2887
2888 format = 3;
2889 ha->flags.rscn_queue_overflow = 0;
2890 }
2891
2892 switch (format) {
2893 case 0:
2894 mask = 0xffffff;
2895 break;
2896 case 1:
2897 mask = 0xffff00;
2898 break;
2899 case 2:
2900 mask = 0xff0000;
2901 break;
2902 default:
2903 mask = 0x0;
2904 d_id.b24 = 0;
2905 ha->rscn_out_ptr = ha->rscn_in_ptr;
2906 break;
2907 }
2908
2909 rval = QLA_SUCCESS;
2910
2911 list_for_each_entry(fcport, &pha->fcports, list) {
2912 if (fcport->vp_idx != ha->vp_idx)
2913 continue;
2914
2915 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2916 (fcport->d_id.b24 & mask) != d_id.b24 ||
2917 fcport->port_type == FCT_BROADCAST)
2918 continue;
2919
2920 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2921 if (format != 3 ||
2922 fcport->port_type != FCT_INITIATOR) {
2923 qla2x00_mark_device_lost(ha, fcport,
2924 0, 0);
2925 }
2926 }
2927 fcport->flags &= ~FCF_FARP_DONE;
2928 }
2929 }
2930 return (rval);
2931 }
2932
2933 /*
2934 * qla2x00_fabric_dev_login
2935 * Login fabric target device and update FC port database.
2936 *
2937 * Input:
2938 * ha: adapter state pointer.
2939 * fcport: port structure list pointer.
2940 * next_loopid: contains value of a new loop ID that can be used
2941 * by the next login attempt.
2942 *
2943 * Returns:
2944 * qla2x00 local function return status code.
2945 *
2946 * Context:
2947 * Kernel context.
2948 */
2949 static int
2950 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2951 uint16_t *next_loopid)
2952 {
2953 int rval;
2954 int retry;
2955 uint8_t opts;
2956
2957 rval = QLA_SUCCESS;
2958 retry = 0;
2959
2960 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2961 if (rval == QLA_SUCCESS) {
2962 /* Send an ADISC to tape devices.*/
2963 opts = 0;
2964 if (fcport->flags & FCF_TAPE_PRESENT)
2965 opts |= BIT_1;
2966 rval = qla2x00_get_port_database(ha, fcport, opts);
2967 if (rval != QLA_SUCCESS) {
2968 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2969 fcport->d_id.b.domain, fcport->d_id.b.area,
2970 fcport->d_id.b.al_pa);
2971 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2972 } else {
2973 qla2x00_update_fcport(ha, fcport);
2974 }
2975 }
2976
2977 return (rval);
2978 }
2979
2980 /*
2981 * qla2x00_fabric_login
2982 * Issue fabric login command.
2983 *
2984 * Input:
2985 * ha = adapter block pointer.
2986 * device = pointer to FC device type structure.
2987 *
2988 * Returns:
2989 * 0 - Login successfully
2990 * 1 - Login failed
2991 * 2 - Initiator device
2992 * 3 - Fatal error
2993 */
2994 int
2995 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2996 uint16_t *next_loopid)
2997 {
2998 int rval;
2999 int retry;
3000 uint16_t tmp_loopid;
3001 uint16_t mb[MAILBOX_REGISTER_COUNT];
3002
3003 retry = 0;
3004 tmp_loopid = 0;
3005
3006 for (;;) {
3007 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3008 "for port %02x%02x%02x.\n",
3009 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3010 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3011
3012 /* Login fcport on switch. */
3013 ha->isp_ops->fabric_login(ha, fcport->loop_id,
3014 fcport->d_id.b.domain, fcport->d_id.b.area,
3015 fcport->d_id.b.al_pa, mb, BIT_0);
3016 if (mb[0] == MBS_PORT_ID_USED) {
3017 /*
3018 * Device has another loop ID. The firmware team
3019 * recommends the driver perform an implicit login with
3020 * the specified ID again. The ID we just used is save
3021 * here so we return with an ID that can be tried by
3022 * the next login.
3023 */
3024 retry++;
3025 tmp_loopid = fcport->loop_id;
3026 fcport->loop_id = mb[1];
3027
3028 DEBUG(printk("Fabric Login: port in use - next "
3029 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3030 fcport->loop_id, fcport->d_id.b.domain,
3031 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3032
3033 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3034 /*
3035 * Login succeeded.
3036 */
3037 if (retry) {
3038 /* A retry occurred before. */
3039 *next_loopid = tmp_loopid;
3040 } else {
3041 /*
3042 * No retry occurred before. Just increment the
3043 * ID value for next login.
3044 */
3045 *next_loopid = (fcport->loop_id + 1);
3046 }
3047
3048 if (mb[1] & BIT_0) {
3049 fcport->port_type = FCT_INITIATOR;
3050 } else {
3051 fcport->port_type = FCT_TARGET;
3052 if (mb[1] & BIT_1) {
3053 fcport->flags |= FCF_TAPE_PRESENT;
3054 }
3055 }
3056
3057 if (mb[10] & BIT_0)
3058 fcport->supported_classes |= FC_COS_CLASS2;
3059 if (mb[10] & BIT_1)
3060 fcport->supported_classes |= FC_COS_CLASS3;
3061
3062 rval = QLA_SUCCESS;
3063 break;
3064 } else if (mb[0] == MBS_LOOP_ID_USED) {
3065 /*
3066 * Loop ID already used, try next loop ID.
3067 */
3068 fcport->loop_id++;
3069 rval = qla2x00_find_new_loop_id(ha, fcport);
3070 if (rval != QLA_SUCCESS) {
3071 /* Ran out of loop IDs to use */
3072 break;
3073 }
3074 } else if (mb[0] == MBS_COMMAND_ERROR) {
3075 /*
3076 * Firmware possibly timed out during login. If NO
3077 * retries are left to do then the device is declared
3078 * dead.
3079 */
3080 *next_loopid = fcport->loop_id;
3081 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3082 fcport->d_id.b.domain, fcport->d_id.b.area,
3083 fcport->d_id.b.al_pa);
3084 qla2x00_mark_device_lost(ha, fcport, 1, 0);
3085
3086 rval = 1;
3087 break;
3088 } else {
3089 /*
3090 * unrecoverable / not handled error
3091 */
3092 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3093 "loop_id=%x jiffies=%lx.\n",
3094 __func__, ha->host_no, mb[0],
3095 fcport->d_id.b.domain, fcport->d_id.b.area,
3096 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3097
3098 *next_loopid = fcport->loop_id;
3099 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3100 fcport->d_id.b.domain, fcport->d_id.b.area,
3101 fcport->d_id.b.al_pa);
3102 fcport->loop_id = FC_NO_LOOP_ID;
3103 fcport->login_retry = 0;
3104
3105 rval = 3;
3106 break;
3107 }
3108 }
3109
3110 return (rval);
3111 }
3112
3113 /*
3114 * qla2x00_local_device_login
3115 * Issue local device login command.
3116 *
3117 * Input:
3118 * ha = adapter block pointer.
3119 * loop_id = loop id of device to login to.
3120 *
3121 * Returns (Where's the #define!!!!):
3122 * 0 - Login successfully
3123 * 1 - Login failed
3124 * 3 - Fatal error
3125 */
3126 int
3127 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3128 {
3129 int rval;
3130 uint16_t mb[MAILBOX_REGISTER_COUNT];
3131
3132 memset(mb, 0, sizeof(mb));
3133 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3134 if (rval == QLA_SUCCESS) {
3135 /* Interrogate mailbox registers for any errors */
3136 if (mb[0] == MBS_COMMAND_ERROR)
3137 rval = 1;
3138 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3139 /* device not in PCB table */
3140 rval = 3;
3141 }
3142
3143 return (rval);
3144 }
3145
3146 /*
3147 * qla2x00_loop_resync
3148 * Resync with fibre channel devices.
3149 *
3150 * Input:
3151 * ha = adapter block pointer.
3152 *
3153 * Returns:
3154 * 0 = success
3155 */
3156 int
3157 qla2x00_loop_resync(scsi_qla_host_t *ha)
3158 {
3159 int rval;
3160 uint32_t wait_time;
3161
3162 rval = QLA_SUCCESS;
3163
3164 atomic_set(&ha->loop_state, LOOP_UPDATE);
3165 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3166 if (ha->flags.online) {
3167 if (!(rval = qla2x00_fw_ready(ha))) {
3168 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3169 wait_time = 256;
3170 do {
3171 atomic_set(&ha->loop_state, LOOP_UPDATE);
3172
3173 /* Issue a marker after FW becomes ready. */
3174 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3175 ha->marker_needed = 0;
3176
3177 /* Remap devices on Loop. */
3178 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3179
3180 qla2x00_configure_loop(ha);
3181 wait_time--;
3182 } while (!atomic_read(&ha->loop_down_timer) &&
3183 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3184 wait_time &&
3185 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3186 }
3187 }
3188
3189 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3190 return (QLA_FUNCTION_FAILED);
3191 }
3192
3193 if (rval) {
3194 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3195 }
3196
3197 return (rval);
3198 }
3199
3200 void
3201 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3202 {
3203 int rescan_done;
3204 fc_port_t *fcport;
3205
3206 rescan_done = 0;
3207 list_for_each_entry(fcport, &ha->fcports, list) {
3208 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3209 continue;
3210
3211 qla2x00_update_fcport(ha, fcport);
3212 fcport->flags &= ~FCF_RESCAN_NEEDED;
3213
3214 rescan_done = 1;
3215 }
3216 qla2x00_probe_for_all_luns(ha);
3217 }
3218
3219 void
3220 qla2x00_update_fcports(scsi_qla_host_t *ha)
3221 {
3222 fc_port_t *fcport;
3223
3224 /* Go with deferred removal of rport references. */
3225 list_for_each_entry(fcport, &ha->fcports, list)
3226 if (fcport->drport)
3227 qla2x00_rport_del(fcport);
3228 }
3229
3230 /*
3231 * qla2x00_abort_isp
3232 * Resets ISP and aborts all outstanding commands.
3233 *
3234 * Input:
3235 * ha = adapter block pointer.
3236 *
3237 * Returns:
3238 * 0 = success
3239 */
3240 int
3241 qla2x00_abort_isp(scsi_qla_host_t *ha)
3242 {
3243 int rval;
3244 uint8_t status = 0;
3245
3246 if (ha->flags.online) {
3247 ha->flags.online = 0;
3248 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3249
3250 qla_printk(KERN_INFO, ha,
3251 "Performing ISP error recovery - ha= %p.\n", ha);
3252 ha->isp_ops->reset_chip(ha);
3253
3254 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3255 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3256 atomic_set(&ha->loop_state, LOOP_DOWN);
3257 qla2x00_mark_all_devices_lost(ha, 0);
3258 } else {
3259 if (!atomic_read(&ha->loop_down_timer))
3260 atomic_set(&ha->loop_down_timer,
3261 LOOP_DOWN_TIME);
3262 }
3263
3264 /* Requeue all commands in outstanding command list. */
3265 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
3266
3267 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3268
3269 ha->isp_ops->nvram_config(ha);
3270
3271 if (!qla2x00_restart_isp(ha)) {
3272 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3273
3274 if (!atomic_read(&ha->loop_down_timer)) {
3275 /*
3276 * Issue marker command only when we are going
3277 * to start the I/O .
3278 */
3279 ha->marker_needed = 1;
3280 }
3281
3282 ha->flags.online = 1;
3283
3284 ha->isp_ops->enable_intrs(ha);
3285
3286 ha->isp_abort_cnt = 0;
3287 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3288
3289 if (ha->eft) {
3290 memset(ha->eft, 0, EFT_SIZE);
3291 rval = qla2x00_enable_eft_trace(ha,
3292 ha->eft_dma, EFT_NUM_BUFFERS);
3293 if (rval) {
3294 qla_printk(KERN_WARNING, ha,
3295 "Unable to reinitialize EFT "
3296 "(%d).\n", rval);
3297 }
3298 }
3299
3300 if (ha->fce) {
3301 ha->flags.fce_enabled = 1;
3302 memset(ha->fce, 0,
3303 fce_calc_size(ha->fce_bufs));
3304 rval = qla2x00_enable_fce_trace(ha,
3305 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3306 &ha->fce_bufs);
3307 if (rval) {
3308 qla_printk(KERN_WARNING, ha,
3309 "Unable to reinitialize FCE "
3310 "(%d).\n", rval);
3311 ha->flags.fce_enabled = 0;
3312 }
3313 }
3314 } else { /* failed the ISP abort */
3315 ha->flags.online = 1;
3316 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3317 if (ha->isp_abort_cnt == 0) {
3318 qla_printk(KERN_WARNING, ha,
3319 "ISP error recovery failed - "
3320 "board disabled\n");
3321 /*
3322 * The next call disables the board
3323 * completely.
3324 */
3325 ha->isp_ops->reset_adapter(ha);
3326 ha->flags.online = 0;
3327 clear_bit(ISP_ABORT_RETRY,
3328 &ha->dpc_flags);
3329 status = 0;
3330 } else { /* schedule another ISP abort */
3331 ha->isp_abort_cnt--;
3332 DEBUG(printk("qla%ld: ISP abort - "
3333 "retry remaining %d\n",
3334 ha->host_no, ha->isp_abort_cnt));
3335 status = 1;
3336 }
3337 } else {
3338 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3339 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3340 "- retrying (%d) more times\n",
3341 ha->host_no, ha->isp_abort_cnt));
3342 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3343 status = 1;
3344 }
3345 }
3346
3347 }
3348
3349 if (status) {
3350 qla_printk(KERN_INFO, ha,
3351 "qla2x00_abort_isp: **** FAILED ****\n");
3352 } else {
3353 DEBUG(printk(KERN_INFO
3354 "qla2x00_abort_isp(%ld): exiting.\n",
3355 ha->host_no));
3356 }
3357
3358 return(status);
3359 }
3360
3361 /*
3362 * qla2x00_restart_isp
3363 * restarts the ISP after a reset
3364 *
3365 * Input:
3366 * ha = adapter block pointer.
3367 *
3368 * Returns:
3369 * 0 = success
3370 */
3371 static int
3372 qla2x00_restart_isp(scsi_qla_host_t *ha)
3373 {
3374 uint8_t status = 0;
3375 uint32_t wait_time;
3376
3377 /* If firmware needs to be loaded */
3378 if (qla2x00_isp_firmware(ha)) {
3379 ha->flags.online = 0;
3380 if (!(status = ha->isp_ops->chip_diag(ha)))
3381 status = qla2x00_setup_chip(ha);
3382 }
3383
3384 if (!status && !(status = qla2x00_init_rings(ha))) {
3385 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3386 if (!(status = qla2x00_fw_ready(ha))) {
3387 DEBUG(printk("%s(): Start configure loop, "
3388 "status = %d\n", __func__, status));
3389
3390 /* Issue a marker after FW becomes ready. */
3391 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3392
3393 ha->flags.online = 1;
3394 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3395 wait_time = 256;
3396 do {
3397 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3398 qla2x00_configure_loop(ha);
3399 wait_time--;
3400 } while (!atomic_read(&ha->loop_down_timer) &&
3401 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3402 wait_time &&
3403 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3404 }
3405
3406 /* if no cable then assume it's good */
3407 if ((ha->device_flags & DFLG_NO_CABLE))
3408 status = 0;
3409
3410 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3411 __func__,
3412 status));
3413 }
3414 return (status);
3415 }
3416
3417 /*
3418 * qla2x00_reset_adapter
3419 * Reset adapter.
3420 *
3421 * Input:
3422 * ha = adapter block pointer.
3423 */
3424 void
3425 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3426 {
3427 unsigned long flags = 0;
3428 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3429
3430 ha->flags.online = 0;
3431 ha->isp_ops->disable_intrs(ha);
3432
3433 spin_lock_irqsave(&ha->hardware_lock, flags);
3434 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3435 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3436 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3437 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3438 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3439 }
3440
3441 void
3442 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3443 {
3444 unsigned long flags = 0;
3445 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3446
3447 ha->flags.online = 0;
3448 ha->isp_ops->disable_intrs(ha);
3449
3450 spin_lock_irqsave(&ha->hardware_lock, flags);
3451 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3452 RD_REG_DWORD(&reg->hccr);
3453 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3454 RD_REG_DWORD(&reg->hccr);
3455 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3456 }
3457
3458 /* On sparc systems, obtain port and node WWN from firmware
3459 * properties.
3460 */
3461 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3462 {
3463 #ifdef CONFIG_SPARC
3464 struct pci_dev *pdev = ha->pdev;
3465 struct device_node *dp = pci_device_to_OF_node(pdev);
3466 const u8 *val;
3467 int len;
3468
3469 val = of_get_property(dp, "port-wwn", &len);
3470 if (val && len >= WWN_SIZE)
3471 memcpy(nv->port_name, val, WWN_SIZE);
3472
3473 val = of_get_property(dp, "node-wwn", &len);
3474 if (val && len >= WWN_SIZE)
3475 memcpy(nv->node_name, val, WWN_SIZE);
3476 #endif
3477 }
3478
3479 int
3480 qla24xx_nvram_config(scsi_qla_host_t *ha)
3481 {
3482 int rval;
3483 struct init_cb_24xx *icb;
3484 struct nvram_24xx *nv;
3485 uint32_t *dptr;
3486 uint8_t *dptr1, *dptr2;
3487 uint32_t chksum;
3488 uint16_t cnt;
3489
3490 rval = QLA_SUCCESS;
3491 icb = (struct init_cb_24xx *)ha->init_cb;
3492 nv = ha->nvram;
3493
3494 /* Determine NVRAM starting address. */
3495 ha->nvram_size = sizeof(struct nvram_24xx);
3496 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3497 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3498 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3499 if (PCI_FUNC(ha->pdev->devfn)) {
3500 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3501 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3502 }
3503
3504 /* Get VPD data into cache */
3505 ha->vpd = ha->nvram + VPD_OFFSET;
3506 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3507 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3508
3509 /* Get NVRAM data into cache and calculate checksum. */
3510 dptr = (uint32_t *)nv;
3511 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3512 ha->nvram_size);
3513 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3514 chksum += le32_to_cpu(*dptr++);
3515
3516 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3517 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3518
3519 /* Bad NVRAM data, set defaults parameters. */
3520 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3521 || nv->id[3] != ' ' ||
3522 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3523 /* Reset NVRAM data. */
3524 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3525 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3526 le16_to_cpu(nv->nvram_version));
3527 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3528 "invalid -- WWPN) defaults.\n");
3529
3530 /*
3531 * Set default initialization control block.
3532 */
3533 memset(nv, 0, ha->nvram_size);
3534 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3535 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3536 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3537 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3538 nv->exchange_count = __constant_cpu_to_le16(0);
3539 nv->hard_address = __constant_cpu_to_le16(124);
3540 nv->port_name[0] = 0x21;
3541 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3542 nv->port_name[2] = 0x00;
3543 nv->port_name[3] = 0xe0;
3544 nv->port_name[4] = 0x8b;
3545 nv->port_name[5] = 0x1c;
3546 nv->port_name[6] = 0x55;
3547 nv->port_name[7] = 0x86;
3548 nv->node_name[0] = 0x20;
3549 nv->node_name[1] = 0x00;
3550 nv->node_name[2] = 0x00;
3551 nv->node_name[3] = 0xe0;
3552 nv->node_name[4] = 0x8b;
3553 nv->node_name[5] = 0x1c;
3554 nv->node_name[6] = 0x55;
3555 nv->node_name[7] = 0x86;
3556 qla24xx_nvram_wwn_from_ofw(ha, nv);
3557 nv->login_retry_count = __constant_cpu_to_le16(8);
3558 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3559 nv->login_timeout = __constant_cpu_to_le16(0);
3560 nv->firmware_options_1 =
3561 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3562 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3563 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3564 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3565 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3566 nv->efi_parameters = __constant_cpu_to_le32(0);
3567 nv->reset_delay = 5;
3568 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3569 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3570 nv->link_down_timeout = __constant_cpu_to_le16(30);
3571
3572 rval = 1;
3573 }
3574
3575 /* Reset Initialization control block */
3576 memset(icb, 0, sizeof(struct init_cb_24xx));
3577
3578 /* Copy 1st segment. */
3579 dptr1 = (uint8_t *)icb;
3580 dptr2 = (uint8_t *)&nv->version;
3581 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3582 while (cnt--)
3583 *dptr1++ = *dptr2++;
3584
3585 icb->login_retry_count = nv->login_retry_count;
3586 icb->link_down_on_nos = nv->link_down_on_nos;
3587
3588 /* Copy 2nd segment. */
3589 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3590 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3591 cnt = (uint8_t *)&icb->reserved_3 -
3592 (uint8_t *)&icb->interrupt_delay_timer;
3593 while (cnt--)
3594 *dptr1++ = *dptr2++;
3595
3596 /*
3597 * Setup driver NVRAM options.
3598 */
3599 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3600 "QLA2462");
3601
3602 /* Use alternate WWN? */
3603 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3604 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3605 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3606 }
3607
3608 /* Prepare nodename */
3609 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3610 /*
3611 * Firmware will apply the following mask if the nodename was
3612 * not provided.
3613 */
3614 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3615 icb->node_name[0] &= 0xF0;
3616 }
3617
3618 /* Set host adapter parameters. */
3619 ha->flags.disable_risc_code_load = 0;
3620 ha->flags.enable_lip_reset = 0;
3621 ha->flags.enable_lip_full_login =
3622 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3623 ha->flags.enable_target_reset =
3624 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3625 ha->flags.enable_led_scheme = 0;
3626 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3627
3628 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3629 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3630
3631 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3632 sizeof(ha->fw_seriallink_options24));
3633
3634 /* save HBA serial number */
3635 ha->serial0 = icb->port_name[5];
3636 ha->serial1 = icb->port_name[6];
3637 ha->serial2 = icb->port_name[7];
3638 ha->node_name = icb->node_name;
3639 ha->port_name = icb->port_name;
3640
3641 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3642
3643 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3644
3645 /* Set minimum login_timeout to 4 seconds. */
3646 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3647 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3648 if (le16_to_cpu(nv->login_timeout) < 4)
3649 nv->login_timeout = __constant_cpu_to_le16(4);
3650 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3651 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3652
3653 <<<<<<< HEAD:drivers/scsi/qla2xxx/qla_init.c
3654 /* Set minimum RATOV to 200 tenths of a second. */
3655 ha->r_a_tov = 200;
3656 =======
3657 /* Set minimum RATOV to 100 tenths of a second. */
3658 ha->r_a_tov = 100;
3659 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/scsi/qla2xxx/qla_init.c
3660
3661 ha->loop_reset_delay = nv->reset_delay;
3662
3663 /* Link Down Timeout = 0:
3664 *
3665 * When Port Down timer expires we will start returning
3666 * I/O's to OS with "DID_NO_CONNECT".
3667 *
3668 * Link Down Timeout != 0:
3669 *
3670 * The driver waits for the link to come up after link down
3671 * before returning I/Os to OS with "DID_NO_CONNECT".
3672 */
3673 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3674 ha->loop_down_abort_time =
3675 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3676 } else {
3677 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3678 ha->loop_down_abort_time =
3679 (LOOP_DOWN_TIME - ha->link_down_timeout);
3680 }
3681
3682 /* Need enough time to try and get the port back. */
3683 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3684 if (qlport_down_retry)
3685 ha->port_down_retry_count = qlport_down_retry;
3686
3687 /* Set login_retry_count */
3688 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3689 if (ha->port_down_retry_count ==
3690 le16_to_cpu(nv->port_down_retry_count) &&
3691 ha->port_down_retry_count > 3)
3692 ha->login_retry_count = ha->port_down_retry_count;
3693 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3694 ha->login_retry_count = ha->port_down_retry_count;
3695 if (ql2xloginretrycount)
3696 ha->login_retry_count = ql2xloginretrycount;
3697
3698 /* Enable ZIO. */
3699 if (!ha->flags.init_done) {
3700 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3701 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3702 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3703 le16_to_cpu(icb->interrupt_delay_timer): 2;
3704 }
3705 icb->firmware_options_2 &= __constant_cpu_to_le32(
3706 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3707 ha->flags.process_response_queue = 0;
3708 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3709 ha->zio_mode = QLA_ZIO_MODE_6;
3710
3711 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3712 "(%d us).\n", ha->host_no, ha->zio_mode,
3713 ha->zio_timer * 100));
3714 qla_printk(KERN_INFO, ha,
3715 "ZIO mode %d enabled; timer delay (%d us).\n",
3716 ha->zio_mode, ha->zio_timer * 100);
3717
3718 icb->firmware_options_2 |= cpu_to_le32(
3719 (uint32_t)ha->zio_mode);
3720 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3721 ha->flags.process_response_queue = 1;
3722 }
3723
3724 if (rval) {
3725 DEBUG2_3(printk(KERN_WARNING
3726 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3727 }
3728 return (rval);
3729 }
3730
3731 static int
3732 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3733 {
3734 int rval;
3735 int segments, fragment;
3736 uint32_t faddr;
3737 uint32_t *dcode, dlen;
3738 uint32_t risc_addr;
3739 uint32_t risc_size;
3740 uint32_t i;
3741
3742 rval = QLA_SUCCESS;
3743
3744 segments = FA_RISC_CODE_SEGMENTS;
3745 faddr = FA_RISC_CODE_ADDR;
3746 dcode = (uint32_t *)ha->request_ring;
3747 *srisc_addr = 0;
3748
3749 /* Validate firmware image by checking version. */
3750 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3751 for (i = 0; i < 4; i++)
3752 dcode[i] = be32_to_cpu(dcode[i]);
3753 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3754 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3755 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3756 dcode[3] == 0)) {
3757 qla_printk(KERN_WARNING, ha,
3758 "Unable to verify integrity of flash firmware image!\n");
3759 qla_printk(KERN_WARNING, ha,
3760 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3761 dcode[1], dcode[2], dcode[3]);
3762
3763 return QLA_FUNCTION_FAILED;
3764 }
3765
3766 while (segments && rval == QLA_SUCCESS) {
3767 /* Read segment's load information. */
3768 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3769
3770 risc_addr = be32_to_cpu(dcode[2]);
3771 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3772 risc_size = be32_to_cpu(dcode[3]);
3773
3774 fragment = 0;
3775 while (risc_size > 0 && rval == QLA_SUCCESS) {
3776 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3777 if (dlen > risc_size)
3778 dlen = risc_size;
3779
3780 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3781 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3782 ha->host_no, risc_addr, dlen, faddr));
3783
3784 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3785 for (i = 0; i < dlen; i++)
3786 dcode[i] = swab32(dcode[i]);
3787
3788 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3789 dlen);
3790 if (rval) {
3791 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3792 "segment %d of firmware\n", ha->host_no,
3793 fragment));
3794 qla_printk(KERN_WARNING, ha,
3795 "[ERROR] Failed to load segment %d of "
3796 "firmware\n", fragment);
3797 break;
3798 }
3799
3800 faddr += dlen;
3801 risc_addr += dlen;
3802 risc_size -= dlen;
3803 fragment++;
3804 }
3805
3806 /* Next segment. */
3807 segments--;
3808 }
3809
3810 return rval;
3811 }
3812
3813 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3814
3815 int
3816 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3817 {
3818 int rval;
3819 int i, fragment;
3820 uint16_t *wcode, *fwcode;
3821 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3822 struct fw_blob *blob;
3823
3824 /* Load firmware blob. */
3825 blob = qla2x00_request_firmware(ha);
3826 if (!blob) {
3827 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3828 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3829 "from: " QLA_FW_URL ".\n");
3830 return QLA_FUNCTION_FAILED;
3831 }
3832
3833 rval = QLA_SUCCESS;
3834
3835 wcode = (uint16_t *)ha->request_ring;
3836 *srisc_addr = 0;
3837 fwcode = (uint16_t *)blob->fw->data;
3838 fwclen = 0;
3839
3840 /* Validate firmware image by checking version. */
3841 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3842 qla_printk(KERN_WARNING, ha,
3843 "Unable to verify integrity of firmware image (%Zd)!\n",
3844 blob->fw->size);
3845 goto fail_fw_integrity;
3846 }
3847 for (i = 0; i < 4; i++)
3848 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3849 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3850 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3851 wcode[2] == 0 && wcode[3] == 0)) {
3852 qla_printk(KERN_WARNING, ha,
3853 "Unable to verify integrity of firmware image!\n");
3854 qla_printk(KERN_WARNING, ha,
3855 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3856 wcode[1], wcode[2], wcode[3]);
3857 goto fail_fw_integrity;
3858 }
3859
3860 seg = blob->segs;
3861 while (*seg && rval == QLA_SUCCESS) {
3862 risc_addr = *seg;
3863 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3864 risc_size = be16_to_cpu(fwcode[3]);
3865
3866 /* Validate firmware image size. */
3867 fwclen += risc_size * sizeof(uint16_t);
3868 if (blob->fw->size < fwclen) {
3869 qla_printk(KERN_WARNING, ha,
3870 "Unable to verify integrity of firmware image "
3871 "(%Zd)!\n", blob->fw->size);
3872 goto fail_fw_integrity;
3873 }
3874
3875 fragment = 0;
3876 while (risc_size > 0 && rval == QLA_SUCCESS) {
3877 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3878 if (wlen > risc_size)
3879 wlen = risc_size;
3880
3881 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3882 "addr %x, number of words 0x%x.\n", ha->host_no,
3883 risc_addr, wlen));
3884
3885 for (i = 0; i < wlen; i++)
3886 wcode[i] = swab16(fwcode[i]);
3887
3888 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3889 wlen);
3890 if (rval) {
3891 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3892 "segment %d of firmware\n", ha->host_no,
3893 fragment));
3894 qla_printk(KERN_WARNING, ha,
3895 "[ERROR] Failed to load segment %d of "
3896 "firmware\n", fragment);
3897 break;
3898 }
3899
3900 fwcode += wlen;
3901 risc_addr += wlen;
3902 risc_size -= wlen;
3903 fragment++;
3904 }
3905
3906 /* Next segment. */
3907 seg++;
3908 }
3909 return rval;
3910
3911 fail_fw_integrity:
3912 return QLA_FUNCTION_FAILED;
3913 }
3914
3915 int
3916 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3917 {
3918 int rval;
3919 int segments, fragment;
3920 uint32_t *dcode, dlen;
3921 uint32_t risc_addr;
3922 uint32_t risc_size;
3923 uint32_t i;
3924 struct fw_blob *blob;
3925 uint32_t *fwcode, fwclen;
3926
3927 /* Load firmware blob. */
3928 blob = qla2x00_request_firmware(ha);
3929 if (!blob) {
3930 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3931 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3932 "from: " QLA_FW_URL ".\n");
3933
3934 /* Try to load RISC code from flash. */
3935 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3936 "outdated) firmware from flash.\n");
3937 return qla24xx_load_risc_flash(ha, srisc_addr);
3938 }
3939
3940 rval = QLA_SUCCESS;
3941
3942 segments = FA_RISC_CODE_SEGMENTS;
3943 dcode = (uint32_t *)ha->request_ring;
3944 *srisc_addr = 0;
3945 fwcode = (uint32_t *)blob->fw->data;
3946 fwclen = 0;
3947
3948 /* Validate firmware image by checking version. */
3949 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3950 qla_printk(KERN_WARNING, ha,
3951 "Unable to verify integrity of firmware image (%Zd)!\n",
3952 blob->fw->size);
3953 goto fail_fw_integrity;
3954 }
3955 for (i = 0; i < 4; i++)
3956 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3957 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3958 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3959 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3960 dcode[3] == 0)) {
3961 qla_printk(KERN_WARNING, ha,
3962 "Unable to verify integrity of firmware image!\n");
3963 qla_printk(KERN_WARNING, ha,
3964 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3965 dcode[1], dcode[2], dcode[3]);
3966 goto fail_fw_integrity;
3967 }
3968
3969 while (segments && rval == QLA_SUCCESS) {
3970 risc_addr = be32_to_cpu(fwcode[2]);
3971 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3972 risc_size = be32_to_cpu(fwcode[3]);
3973
3974 /* Validate firmware image size. */
3975 fwclen += risc_size * sizeof(uint32_t);
3976 if (blob->fw->size < fwclen) {
3977 qla_printk(KERN_WARNING, ha,
3978 "Unable to verify integrity of firmware image "
3979 "(%Zd)!\n", blob->fw->size);
3980
3981 goto fail_fw_integrity;
3982 }
3983
3984 fragment = 0;
3985 while (risc_size > 0 && rval == QLA_SUCCESS) {
3986 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3987 if (dlen > risc_size)
3988 dlen = risc_size;
3989
3990 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3991 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3992 risc_addr, dlen));
3993
3994 for (i = 0; i < dlen; i++)
3995 dcode[i] = swab32(fwcode[i]);
3996
3997 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3998 dlen);
3999 if (rval) {
4000 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4001 "segment %d of firmware\n", ha->host_no,
4002 fragment));
4003 qla_printk(KERN_WARNING, ha,
4004 "[ERROR] Failed to load segment %d of "
4005 "firmware\n", fragment);
4006 break;
4007 }
4008
4009 fwcode += dlen;
4010 risc_addr += dlen;
4011 risc_size -= dlen;
4012 fragment++;
4013 }
4014
4015 /* Next segment. */
4016 segments--;
4017 }
4018 return rval;
4019
4020 fail_fw_integrity:
4021 return QLA_FUNCTION_FAILED;
4022 }
4023
4024 void
4025 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4026 {
4027 int ret, retries;
4028
4029 if (!IS_FWI2_CAPABLE(ha))
4030 return;
4031 if (!ha->fw_major_version)
4032 return;
4033
4034 ret = qla2x00_stop_firmware(ha);
4035 <<<<<<< HEAD:drivers/scsi/qla2xxx/qla_init.c
4036 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4037 =======
4038 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4039 retries ; retries--) {
4040 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/scsi/qla2xxx/qla_init.c
4041 qla2x00_reset_chip(ha);
4042 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4043 continue;
4044 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4045 continue;
4046 qla_printk(KERN_INFO, ha,
4047 "Attempting retry of stop-firmware command...\n");
4048 ret = qla2x00_stop_firmware(ha);
4049 }
4050 }
4051
4052 int
4053 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4054 {
4055 int rval = QLA_SUCCESS;
4056 uint16_t mb[MAILBOX_REGISTER_COUNT];
4057
4058 if (!ha->parent)
4059 return -EINVAL;
4060
4061 rval = qla2x00_fw_ready(ha);
4062 if (rval == QLA_SUCCESS) {
4063 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4064 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4065 }
4066
4067 ha->flags.management_server_logged_in = 0;
4068
4069 /* Login to SNS first */
4070 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4071 mb, BIT_1);
4072 if (mb[0] != MBS_COMMAND_COMPLETE) {
4073 DEBUG15(qla_printk(KERN_INFO, ha,
4074 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4075 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4076 mb[0], mb[1], mb[2], mb[6], mb[7]));
4077 return (QLA_FUNCTION_FAILED);
4078 }
4079
4080 atomic_set(&ha->loop_down_timer, 0);
4081 atomic_set(&ha->loop_state, LOOP_UP);
4082 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4083 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4084 rval = qla2x00_loop_resync(ha);
4085
4086 return rval;
4087 }
WRT350N Kernel Patches