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added 2.6.29.6 aldebaran kernel
[nao-ulib.git] / kernel / 2.6.29.6-aldebaran-rt / drivers / scsi / qla2xxx / qla_init.c
blob87f9abc714604b9927b019ebb67f71cf11f01c5a
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_gbl.h"
9
10 #include <linux/delay.h>
11 #include <linux/vmalloc.h>
12
13 #include "qla_devtbl.h"
14
15 #ifdef CONFIG_SPARC
16 #include <asm/prom.h>
17 #endif
18
19 /*
20 * QLogic ISP2x00 Hardware Support Function Prototypes.
21 */
22 static int qla2x00_isp_firmware(scsi_qla_host_t *);
23 static void qla2x00_resize_request_q(scsi_qla_host_t *);
24 static int qla2x00_setup_chip(scsi_qla_host_t *);
25 static int qla2x00_init_rings(scsi_qla_host_t *);
26 static int qla2x00_fw_ready(scsi_qla_host_t *);
27 static int qla2x00_configure_hba(scsi_qla_host_t *);
28 static int qla2x00_configure_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32 static int qla2x00_device_resync(scsi_qla_host_t *);
33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
35
36 static int qla2x00_restart_isp(scsi_qla_host_t *);
37
38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
39
40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41 static int qla84xx_init_chip(scsi_qla_host_t *);
42 static int qla25xx_init_queues(struct qla_hw_data *);
43
44 /****************************************************************************/
45 /* QLogic ISP2x00 Hardware Support Functions. */
46 /****************************************************************************/
47
48 /*
49 * qla2x00_initialize_adapter
50 * Initialize board.
51 *
52 * Input:
53 * ha = adapter block pointer.
54 *
55 * Returns:
56 * 0 = success
57 */
58 int
59 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
60 {
61 int rval;
62 struct qla_hw_data *ha = vha->hw;
63 struct req_que *req = ha->req_q_map[0];
64 /* Clear adapter flags. */
65 vha->flags.online = 0;
66 vha->flags.reset_active = 0;
67 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&vha->loop_state, LOOP_DOWN);
69 vha->device_flags = DFLG_NO_CABLE;
70 vha->dpc_flags = 0;
71 vha->flags.management_server_logged_in = 0;
72 vha->marker_needed = 0;
73 ha->mbx_flags = 0;
74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
76 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
77
78 set_bit(0, ha->req_qid_map);
79 set_bit(0, ha->rsp_qid_map);
80
81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
82 rval = ha->isp_ops->pci_config(vha);
83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
85 vha->host_no));
86 return (rval);
87 }
88
89 ha->isp_ops->reset_chip(vha);
90
91 rval = qla2xxx_get_flash_info(vha);
92 if (rval) {
93 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
94 vha->host_no));
95 return (rval);
96 }
97
98 ha->isp_ops->get_flash_version(vha, req->ring);
99
100 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
101
102 ha->isp_ops->nvram_config(vha);
103
104 if (ha->flags.disable_serdes) {
105 /* Mask HBA via NVRAM settings? */
106 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
107 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
108 vha->port_name[0], vha->port_name[1],
109 vha->port_name[2], vha->port_name[3],
110 vha->port_name[4], vha->port_name[5],
111 vha->port_name[6], vha->port_name[7]);
112 return QLA_FUNCTION_FAILED;
113 }
114
115 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
116
117 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
118 rval = ha->isp_ops->chip_diag(vha);
119 if (rval)
120 return (rval);
121 rval = qla2x00_setup_chip(vha);
122 if (rval)
123 return (rval);
124 }
125 if (IS_QLA84XX(ha)) {
126 ha->cs84xx = qla84xx_get_chip(vha);
127 if (!ha->cs84xx) {
128 qla_printk(KERN_ERR, ha,
129 "Unable to configure ISP84XX.\n");
130 return QLA_FUNCTION_FAILED;
131 }
132 }
133 rval = qla2x00_init_rings(vha);
134
135 return (rval);
136 }
137
138 /**
139 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
140 * @ha: HA context
141 *
142 * Returns 0 on success.
143 */
144 int
145 qla2100_pci_config(scsi_qla_host_t *vha)
146 {
147 uint16_t w;
148 unsigned long flags;
149 struct qla_hw_data *ha = vha->hw;
150 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
151
152 pci_set_master(ha->pdev);
153 pci_try_set_mwi(ha->pdev);
154
155 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
156 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
157 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
158
159 pci_disable_rom(ha->pdev);
160
161 /* Get PCI bus information. */
162 spin_lock_irqsave(&ha->hardware_lock, flags);
163 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
164 spin_unlock_irqrestore(&ha->hardware_lock, flags);
165
166 return QLA_SUCCESS;
167 }
168
169 /**
170 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
171 * @ha: HA context
172 *
173 * Returns 0 on success.
174 */
175 int
176 qla2300_pci_config(scsi_qla_host_t *vha)
177 {
178 uint16_t w;
179 unsigned long flags = 0;
180 uint32_t cnt;
181 struct qla_hw_data *ha = vha->hw;
182 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
183
184 pci_set_master(ha->pdev);
185 pci_try_set_mwi(ha->pdev);
186
187 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
188 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
189
190 if (IS_QLA2322(ha) || IS_QLA6322(ha))
191 w &= ~PCI_COMMAND_INTX_DISABLE;
192 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
193
194 /*
195 * If this is a 2300 card and not 2312, reset the
196 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
197 * the 2310 also reports itself as a 2300 so we need to get the
198 * fb revision level -- a 6 indicates it really is a 2300 and
199 * not a 2310.
200 */
201 if (IS_QLA2300(ha)) {
202 spin_lock_irqsave(&ha->hardware_lock, flags);
203
204 /* Pause RISC. */
205 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
206 for (cnt = 0; cnt < 30000; cnt++) {
207 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
208 break;
209
210 udelay(10);
211 }
212
213 /* Select FPM registers. */
214 WRT_REG_WORD(&reg->ctrl_status, 0x20);
215 RD_REG_WORD(&reg->ctrl_status);
216
217 /* Get the fb rev level */
218 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
219
220 if (ha->fb_rev == FPM_2300)
221 pci_clear_mwi(ha->pdev);
222
223 /* Deselect FPM registers. */
224 WRT_REG_WORD(&reg->ctrl_status, 0x0);
225 RD_REG_WORD(&reg->ctrl_status);
226
227 /* Release RISC module. */
228 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
229 for (cnt = 0; cnt < 30000; cnt++) {
230 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
231 break;
232
233 udelay(10);
234 }
235
236 spin_unlock_irqrestore(&ha->hardware_lock, flags);
237 }
238
239 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
240
241 pci_disable_rom(ha->pdev);
242
243 /* Get PCI bus information. */
244 spin_lock_irqsave(&ha->hardware_lock, flags);
245 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
246 spin_unlock_irqrestore(&ha->hardware_lock, flags);
247
248 return QLA_SUCCESS;
249 }
250
251 /**
252 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
253 * @ha: HA context
254 *
255 * Returns 0 on success.
256 */
257 int
258 qla24xx_pci_config(scsi_qla_host_t *vha)
259 {
260 uint16_t w;
261 unsigned long flags = 0;
262 struct qla_hw_data *ha = vha->hw;
263 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
264
265 pci_set_master(ha->pdev);
266 pci_try_set_mwi(ha->pdev);
267
268 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
269 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
270 w &= ~PCI_COMMAND_INTX_DISABLE;
271 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
272
273 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
274
275 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
276 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
277 pcix_set_mmrbc(ha->pdev, 2048);
278
279 /* PCIe -- adjust Maximum Read Request Size (2048). */
280 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
281 pcie_set_readrq(ha->pdev, 2048);
282
283 pci_disable_rom(ha->pdev);
284
285 ha->chip_revision = ha->pdev->revision;
286
287 /* Get PCI bus information. */
288 spin_lock_irqsave(&ha->hardware_lock, flags);
289 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
291
292 return QLA_SUCCESS;
293 }
294
295 /**
296 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
297 * @ha: HA context
298 *
299 * Returns 0 on success.
300 */
301 int
302 qla25xx_pci_config(scsi_qla_host_t *vha)
303 {
304 uint16_t w;
305 struct qla_hw_data *ha = vha->hw;
306
307 pci_set_master(ha->pdev);
308 pci_try_set_mwi(ha->pdev);
309
310 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
311 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
312 w &= ~PCI_COMMAND_INTX_DISABLE;
313 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
314
315 /* PCIe -- adjust Maximum Read Request Size (2048). */
316 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
317 pcie_set_readrq(ha->pdev, 2048);
318
319 pci_disable_rom(ha->pdev);
320
321 ha->chip_revision = ha->pdev->revision;
322
323 return QLA_SUCCESS;
324 }
325
326 /**
327 * qla2x00_isp_firmware() - Choose firmware image.
328 * @ha: HA context
329 *
330 * Returns 0 on success.
331 */
332 static int
333 qla2x00_isp_firmware(scsi_qla_host_t *vha)
334 {
335 int rval;
336 uint16_t loop_id, topo, sw_cap;
337 uint8_t domain, area, al_pa;
338 struct qla_hw_data *ha = vha->hw;
339
340 /* Assume loading risc code */
341 rval = QLA_FUNCTION_FAILED;
342
343 if (ha->flags.disable_risc_code_load) {
344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
345 vha->host_no));
346 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
347
348 /* Verify checksum of loaded RISC code. */
349 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
350 if (rval == QLA_SUCCESS) {
351 /* And, verify we are not in ROM code. */
352 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
353 &area, &domain, &topo, &sw_cap);
354 }
355 }
356
357 if (rval) {
358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
359 vha->host_no));
360 }
361
362 return (rval);
363 }
364
365 /**
366 * qla2x00_reset_chip() - Reset ISP chip.
367 * @ha: HA context
368 *
369 * Returns 0 on success.
370 */
371 void
372 qla2x00_reset_chip(scsi_qla_host_t *vha)
373 {
374 unsigned long flags = 0;
375 struct qla_hw_data *ha = vha->hw;
376 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
377 uint32_t cnt;
378 uint16_t cmd;
379
380 ha->isp_ops->disable_intrs(ha);
381
382 spin_lock_irqsave(&ha->hardware_lock, flags);
383
384 /* Turn off master enable */
385 cmd = 0;
386 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
387 cmd &= ~PCI_COMMAND_MASTER;
388 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
389
390 if (!IS_QLA2100(ha)) {
391 /* Pause RISC. */
392 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
393 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
394 for (cnt = 0; cnt < 30000; cnt++) {
395 if ((RD_REG_WORD(&reg->hccr) &
396 HCCR_RISC_PAUSE) != 0)
397 break;
398 udelay(100);
399 }
400 } else {
401 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
402 udelay(10);
403 }
404
405 /* Select FPM registers. */
406 WRT_REG_WORD(&reg->ctrl_status, 0x20);
407 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
408
409 /* FPM Soft Reset. */
410 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
411 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
412
413 /* Toggle Fpm Reset. */
414 if (!IS_QLA2200(ha)) {
415 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
416 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
417 }
418
419 /* Select frame buffer registers. */
420 WRT_REG_WORD(&reg->ctrl_status, 0x10);
421 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
422
423 /* Reset frame buffer FIFOs. */
424 if (IS_QLA2200(ha)) {
425 WRT_FB_CMD_REG(ha, reg, 0xa000);
426 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
427 } else {
428 WRT_FB_CMD_REG(ha, reg, 0x00fc);
429
430 /* Read back fb_cmd until zero or 3 seconds max */
431 for (cnt = 0; cnt < 3000; cnt++) {
432 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
433 break;
434 udelay(100);
435 }
436 }
437
438 /* Select RISC module registers. */
439 WRT_REG_WORD(&reg->ctrl_status, 0);
440 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
441
442 /* Reset RISC processor. */
443 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
444 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
445
446 /* Release RISC processor. */
447 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
448 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
449 }
450
451 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
452 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
453
454 /* Reset ISP chip. */
455 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
456
457 /* Wait for RISC to recover from reset. */
458 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
459 /*
460 * It is necessary to for a delay here since the card doesn't
461 * respond to PCI reads during a reset. On some architectures
462 * this will result in an MCA.
463 */
464 udelay(20);
465 for (cnt = 30000; cnt; cnt--) {
466 if ((RD_REG_WORD(&reg->ctrl_status) &
467 CSR_ISP_SOFT_RESET) == 0)
468 break;
469 udelay(100);
470 }
471 } else
472 udelay(10);
473
474 /* Reset RISC processor. */
475 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
476
477 WRT_REG_WORD(&reg->semaphore, 0);
478
479 /* Release RISC processor. */
480 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
481 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
482
483 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
484 for (cnt = 0; cnt < 30000; cnt++) {
485 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
486 break;
487
488 udelay(100);
489 }
490 } else
491 udelay(100);
492
493 /* Turn on master enable */
494 cmd |= PCI_COMMAND_MASTER;
495 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
496
497 /* Disable RISC pause on FPM parity error. */
498 if (!IS_QLA2100(ha)) {
499 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
500 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
501 }
502
503 spin_unlock_irqrestore(&ha->hardware_lock, flags);
504 }
505
506 /**
507 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
508 * @ha: HA context
509 *
510 * Returns 0 on success.
511 */
512 static inline void
513 qla24xx_reset_risc(scsi_qla_host_t *vha)
514 {
515 int hw_evt = 0;
516 unsigned long flags = 0;
517 struct qla_hw_data *ha = vha->hw;
518 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
519 uint32_t cnt, d2;
520 uint16_t wd;
521
522 spin_lock_irqsave(&ha->hardware_lock, flags);
523
524 /* Reset RISC. */
525 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
526 for (cnt = 0; cnt < 30000; cnt++) {
527 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
528 break;
529
530 udelay(10);
531 }
532
533 WRT_REG_DWORD(&reg->ctrl_status,
534 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
535 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
536
537 udelay(100);
538 /* Wait for firmware to complete NVRAM accesses. */
539 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
540 for (cnt = 10000 ; cnt && d2; cnt--) {
541 udelay(5);
542 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
543 barrier();
544 }
545 if (cnt == 0)
546 hw_evt = 1;
547
548 /* Wait for soft-reset to complete. */
549 d2 = RD_REG_DWORD(&reg->ctrl_status);
550 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
551 udelay(5);
552 d2 = RD_REG_DWORD(&reg->ctrl_status);
553 barrier();
554 }
555
556 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
557 RD_REG_DWORD(&reg->hccr);
558
559 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
560 RD_REG_DWORD(&reg->hccr);
561
562 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
563 RD_REG_DWORD(&reg->hccr);
564
565 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
566 for (cnt = 6000000 ; cnt && d2; cnt--) {
567 udelay(5);
568 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
569 barrier();
570 }
571
572 spin_unlock_irqrestore(&ha->hardware_lock, flags);
573
574 if (IS_NOPOLLING_TYPE(ha))
575 ha->isp_ops->enable_intrs(ha);
576 }
577
578 /**
579 * qla24xx_reset_chip() - Reset ISP24xx chip.
580 * @ha: HA context
581 *
582 * Returns 0 on success.
583 */
584 void
585 qla24xx_reset_chip(scsi_qla_host_t *vha)
586 {
587 struct qla_hw_data *ha = vha->hw;
588 ha->isp_ops->disable_intrs(ha);
589
590 /* Perform RISC reset. */
591 qla24xx_reset_risc(vha);
592 }
593
594 /**
595 * qla2x00_chip_diag() - Test chip for proper operation.
596 * @ha: HA context
597 *
598 * Returns 0 on success.
599 */
600 int
601 qla2x00_chip_diag(scsi_qla_host_t *vha)
602 {
603 int rval;
604 struct qla_hw_data *ha = vha->hw;
605 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
606 unsigned long flags = 0;
607 uint16_t data;
608 uint32_t cnt;
609 uint16_t mb[5];
610 struct req_que *req = ha->req_q_map[0];
611
612 /* Assume a failed state */
613 rval = QLA_FUNCTION_FAILED;
614
615 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
616 vha->host_no, (u_long)&reg->flash_address));
617
618 spin_lock_irqsave(&ha->hardware_lock, flags);
619
620 /* Reset ISP chip. */
621 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
622
623 /*
624 * We need to have a delay here since the card will not respond while
625 * in reset causing an MCA on some architectures.
626 */
627 udelay(20);
628 data = qla2x00_debounce_register(&reg->ctrl_status);
629 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
630 udelay(5);
631 data = RD_REG_WORD(&reg->ctrl_status);
632 barrier();
633 }
634
635 if (!cnt)
636 goto chip_diag_failed;
637
638 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
639 ha->host_no));
640
641 /* Reset RISC processor. */
642 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
643 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
644
645 /* Workaround for QLA2312 PCI parity error */
646 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
647 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
648 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
649 udelay(5);
650 data = RD_MAILBOX_REG(ha, reg, 0);
651 barrier();
652 }
653 } else
654 udelay(10);
655
656 if (!cnt)
657 goto chip_diag_failed;
658
659 /* Check product ID of chip */
660 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
661
662 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
663 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
664 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
665 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
666 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
667 mb[3] != PROD_ID_3) {
668 qla_printk(KERN_WARNING, ha,
669 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
670
671 goto chip_diag_failed;
672 }
673 ha->product_id[0] = mb[1];
674 ha->product_id[1] = mb[2];
675 ha->product_id[2] = mb[3];
676 ha->product_id[3] = mb[4];
677
678 /* Adjust fw RISC transfer size */
679 if (req->length > 1024)
680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
681 else
682 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
683 req->length;
684
685 if (IS_QLA2200(ha) &&
686 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
687 /* Limit firmware transfer size with a 2200A */
688 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
689 vha->host_no));
690
691 ha->device_type |= DT_ISP2200A;
692 ha->fw_transfer_size = 128;
693 }
694
695 /* Wrap Incoming Mailboxes Test. */
696 spin_unlock_irqrestore(&ha->hardware_lock, flags);
697
698 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
699 rval = qla2x00_mbx_reg_test(vha);
700 if (rval) {
701 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
702 vha->host_no));
703 qla_printk(KERN_WARNING, ha,
704 "Failed mailbox send register test\n");
705 }
706 else {
707 /* Flag a successful rval */
708 rval = QLA_SUCCESS;
709 }
710 spin_lock_irqsave(&ha->hardware_lock, flags);
711
712 chip_diag_failed:
713 if (rval)
714 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
715 "****\n", vha->host_no));
716
717 spin_unlock_irqrestore(&ha->hardware_lock, flags);
718
719 return (rval);
720 }
721
722 /**
723 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
724 * @ha: HA context
725 *
726 * Returns 0 on success.
727 */
728 int
729 qla24xx_chip_diag(scsi_qla_host_t *vha)
730 {
731 int rval;
732 struct qla_hw_data *ha = vha->hw;
733 struct req_que *req = ha->req_q_map[0];
734
735 /* Perform RISC reset. */
736 qla24xx_reset_risc(vha);
737
738 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
739
740 rval = qla2x00_mbx_reg_test(vha);
741 if (rval) {
742 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
743 vha->host_no));
744 qla_printk(KERN_WARNING, ha,
745 "Failed mailbox send register test\n");
746 } else {
747 /* Flag a successful rval */
748 rval = QLA_SUCCESS;
749 }
750
751 return rval;
752 }
753
754 void
755 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
756 {
757 int rval;
758 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
759 eft_size, fce_size, mq_size;
760 dma_addr_t tc_dma;
761 void *tc;
762 struct qla_hw_data *ha = vha->hw;
763 struct req_que *req = ha->req_q_map[0];
764 struct rsp_que *rsp = ha->rsp_q_map[0];
765
766 if (ha->fw_dump) {
767 qla_printk(KERN_WARNING, ha,
768 "Firmware dump previously allocated.\n");
769 return;
770 }
771
772 ha->fw_dumped = 0;
773 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
774 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
775 fixed_size = sizeof(struct qla2100_fw_dump);
776 } else if (IS_QLA23XX(ha)) {
777 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
778 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
779 sizeof(uint16_t);
780 } else if (IS_FWI2_CAPABLE(ha)) {
781 if (IS_QLA81XX(ha))
782 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
783 else if (IS_QLA25XX(ha))
784 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
785 else
786 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
787 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
788 sizeof(uint32_t);
789 if (ha->mqenable)
790 mq_size = sizeof(struct qla2xxx_mq_chain);
791
792 /* Allocate memory for Fibre Channel Event Buffer. */
793 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
794 goto try_eft;
795
796 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
797 GFP_KERNEL);
798 if (!tc) {
799 qla_printk(KERN_WARNING, ha, "Unable to allocate "
800 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
801 goto try_eft;
802 }
803
804 memset(tc, 0, FCE_SIZE);
805 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
806 ha->fce_mb, &ha->fce_bufs);
807 if (rval) {
808 qla_printk(KERN_WARNING, ha, "Unable to initialize "
809 "FCE (%d).\n", rval);
810 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
811 tc_dma);
812 ha->flags.fce_enabled = 0;
813 goto try_eft;
814 }
815
816 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
817 FCE_SIZE / 1024);
818
819 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
820 ha->flags.fce_enabled = 1;
821 ha->fce_dma = tc_dma;
822 ha->fce = tc;
823 try_eft:
824 /* Allocate memory for Extended Trace Buffer. */
825 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
826 GFP_KERNEL);
827 if (!tc) {
828 qla_printk(KERN_WARNING, ha, "Unable to allocate "
829 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
830 goto cont_alloc;
831 }
832
833 memset(tc, 0, EFT_SIZE);
834 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
835 if (rval) {
836 qla_printk(KERN_WARNING, ha, "Unable to initialize "
837 "EFT (%d).\n", rval);
838 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
839 tc_dma);
840 goto cont_alloc;
841 }
842
843 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
844 EFT_SIZE / 1024);
845
846 eft_size = EFT_SIZE;
847 ha->eft_dma = tc_dma;
848 ha->eft = tc;
849 }
850 cont_alloc:
851 req_q_size = req->length * sizeof(request_t);
852 rsp_q_size = rsp->length * sizeof(response_t);
853
854 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
855 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
856 eft_size;
857 ha->chain_offset = dump_size;
858 dump_size += mq_size + fce_size;
859
860 ha->fw_dump = vmalloc(dump_size);
861 if (!ha->fw_dump) {
862 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
863 "firmware dump!!!\n", dump_size / 1024);
864
865 if (ha->eft) {
866 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
867 ha->eft_dma);
868 ha->eft = NULL;
869 ha->eft_dma = 0;
870 }
871 return;
872 }
873 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
874 dump_size / 1024);
875
876 ha->fw_dump_len = dump_size;
877 ha->fw_dump->signature[0] = 'Q';
878 ha->fw_dump->signature[1] = 'L';
879 ha->fw_dump->signature[2] = 'G';
880 ha->fw_dump->signature[3] = 'C';
881 ha->fw_dump->version = __constant_htonl(1);
882
883 ha->fw_dump->fixed_size = htonl(fixed_size);
884 ha->fw_dump->mem_size = htonl(mem_size);
885 ha->fw_dump->req_q_size = htonl(req_q_size);
886 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
887
888 ha->fw_dump->eft_size = htonl(eft_size);
889 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
890 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
891
892 ha->fw_dump->header_size =
893 htonl(offsetof(struct qla2xxx_fw_dump, isp));
894 }
895
896 /**
897 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
898 * @ha: HA context
899 *
900 * Returns 0 on success.
901 */
902 static void
903 qla2x00_resize_request_q(scsi_qla_host_t *vha)
904 {
905 int rval;
906 uint16_t fw_iocb_cnt = 0;
907 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
908 dma_addr_t request_dma;
909 request_t *request_ring;
910 struct qla_hw_data *ha = vha->hw;
911 struct req_que *req = ha->req_q_map[0];
912
913 /* Valid only on recent ISPs. */
914 if (IS_QLA2100(ha) || IS_QLA2200(ha))
915 return;
916
917 /* Retrieve IOCB counts available to the firmware. */
918 rval = qla2x00_get_resource_cnts(vha, NULL, NULL, NULL, &fw_iocb_cnt,
919 &ha->max_npiv_vports);
920 if (rval)
921 return;
922 /* No point in continuing if current settings are sufficient. */
923 if (fw_iocb_cnt < 1024)
924 return;
925 if (req->length >= request_q_length)
926 return;
927
928 /* Attempt to claim larger area for request queue. */
929 request_ring = dma_alloc_coherent(&ha->pdev->dev,
930 (request_q_length + 1) * sizeof(request_t), &request_dma,
931 GFP_KERNEL);
932 if (request_ring == NULL)
933 return;
934
935 /* Resize successful, report extensions. */
936 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
937 (ha->fw_memory_size + 1) / 1024);
938 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
939 "(%d -> %d)...\n", req->length, request_q_length);
940
941 /* Clear old allocations. */
942 dma_free_coherent(&ha->pdev->dev,
943 (req->length + 1) * sizeof(request_t), req->ring,
944 req->dma);
945
946 /* Begin using larger queue. */
947 req->length = request_q_length;
948 req->ring = request_ring;
949 req->dma = request_dma;
950 }
951
952 /**
953 * qla2x00_setup_chip() - Load and start RISC firmware.
954 * @ha: HA context
955 *
956 * Returns 0 on success.
957 */
958 static int
959 qla2x00_setup_chip(scsi_qla_host_t *vha)
960 {
961 int rval;
962 uint32_t srisc_address = 0;
963 struct qla_hw_data *ha = vha->hw;
964 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
965 unsigned long flags;
966
967 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
968 /* Disable SRAM, Instruction RAM and GP RAM parity. */
969 spin_lock_irqsave(&ha->hardware_lock, flags);
970 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
971 RD_REG_WORD(&reg->hccr);
972 spin_unlock_irqrestore(&ha->hardware_lock, flags);
973 }
974
975 /* Load firmware sequences */
976 rval = ha->isp_ops->load_risc(vha, &srisc_address);
977 if (rval == QLA_SUCCESS) {
978 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
979 "code.\n", vha->host_no));
980
981 rval = qla2x00_verify_checksum(vha, srisc_address);
982 if (rval == QLA_SUCCESS) {
983 /* Start firmware execution. */
984 DEBUG(printk("scsi(%ld): Checksum OK, start "
985 "firmware.\n", vha->host_no));
986
987 rval = qla2x00_execute_fw(vha, srisc_address);
988 /* Retrieve firmware information. */
989 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
990 qla2x00_get_fw_version(vha,
991 &ha->fw_major_version,
992 &ha->fw_minor_version,
993 &ha->fw_subminor_version,
994 &ha->fw_attributes, &ha->fw_memory_size,
995 ha->mpi_version, &ha->mpi_capabilities);
996 ha->flags.npiv_supported = 0;
997 if (IS_QLA2XXX_MIDTYPE(ha) &&
998 (ha->fw_attributes & BIT_2)) {
999 ha->flags.npiv_supported = 1;
1000 if ((!ha->max_npiv_vports) ||
1001 ((ha->max_npiv_vports + 1) %
1002 MIN_MULTI_ID_FABRIC))
1003 ha->max_npiv_vports =
1004 MIN_MULTI_ID_FABRIC - 1;
1005 }
1006 qla2x00_resize_request_q(vha);
1007
1008 if (ql2xallocfwdump)
1009 qla2x00_alloc_fw_dump(vha);
1010 }
1011 } else {
1012 DEBUG2(printk(KERN_INFO
1013 "scsi(%ld): ISP Firmware failed checksum.\n",
1014 vha->host_no));
1015 }
1016 }
1017
1018 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1019 /* Enable proper parity. */
1020 spin_lock_irqsave(&ha->hardware_lock, flags);
1021 if (IS_QLA2300(ha))
1022 /* SRAM parity */
1023 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1024 else
1025 /* SRAM, Instruction RAM and GP RAM parity */
1026 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1027 RD_REG_WORD(&reg->hccr);
1028 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1029 }
1030
1031 if (rval) {
1032 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1033 vha->host_no));
1034 }
1035
1036 return (rval);
1037 }
1038
1039 /**
1040 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1041 * @ha: HA context
1042 *
1043 * Beginning of request ring has initialization control block already built
1044 * by nvram config routine.
1045 *
1046 * Returns 0 on success.
1047 */
1048 void
1049 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1050 {
1051 uint16_t cnt;
1052 response_t *pkt;
1053
1054 pkt = rsp->ring_ptr;
1055 for (cnt = 0; cnt < rsp->length; cnt++) {
1056 pkt->signature = RESPONSE_PROCESSED;
1057 pkt++;
1058 }
1059
1060 }
1061
1062 /**
1063 * qla2x00_update_fw_options() - Read and process firmware options.
1064 * @ha: HA context
1065 *
1066 * Returns 0 on success.
1067 */
1068 void
1069 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1070 {
1071 uint16_t swing, emphasis, tx_sens, rx_sens;
1072 struct qla_hw_data *ha = vha->hw;
1073
1074 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1075 qla2x00_get_fw_options(vha, ha->fw_options);
1076
1077 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1078 return;
1079
1080 /* Serial Link options. */
1081 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1082 vha->host_no));
1083 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1084 sizeof(ha->fw_seriallink_options)));
1085
1086 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1087 if (ha->fw_seriallink_options[3] & BIT_2) {
1088 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1089
1090 /* 1G settings */
1091 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1092 emphasis = (ha->fw_seriallink_options[2] &
1093 (BIT_4 | BIT_3)) >> 3;
1094 tx_sens = ha->fw_seriallink_options[0] &
1095 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1096 rx_sens = (ha->fw_seriallink_options[0] &
1097 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1098 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1099 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1100 if (rx_sens == 0x0)
1101 rx_sens = 0x3;
1102 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1103 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1104 ha->fw_options[10] |= BIT_5 |
1105 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1106 (tx_sens & (BIT_1 | BIT_0));
1107
1108 /* 2G settings */
1109 swing = (ha->fw_seriallink_options[2] &
1110 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1111 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1112 tx_sens = ha->fw_seriallink_options[1] &
1113 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1114 rx_sens = (ha->fw_seriallink_options[1] &
1115 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1116 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1117 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1118 if (rx_sens == 0x0)
1119 rx_sens = 0x3;
1120 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1121 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1122 ha->fw_options[11] |= BIT_5 |
1123 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1124 (tx_sens & (BIT_1 | BIT_0));
1125 }
1126
1127 /* FCP2 options. */
1128 /* Return command IOCBs without waiting for an ABTS to complete. */
1129 ha->fw_options[3] |= BIT_13;
1130
1131 /* LED scheme. */
1132 if (ha->flags.enable_led_scheme)
1133 ha->fw_options[2] |= BIT_12;
1134
1135 /* Detect ISP6312. */
1136 if (IS_QLA6312(ha))
1137 ha->fw_options[2] |= BIT_13;
1138
1139 /* Update firmware options. */
1140 qla2x00_set_fw_options(vha, ha->fw_options);
1141 }
1142
1143 void
1144 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1145 {
1146 int rval;
1147 struct qla_hw_data *ha = vha->hw;
1148
1149 /* Update Serial Link options. */
1150 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1151 return;
1152
1153 rval = qla2x00_set_serdes_params(vha,
1154 le16_to_cpu(ha->fw_seriallink_options24[1]),
1155 le16_to_cpu(ha->fw_seriallink_options24[2]),
1156 le16_to_cpu(ha->fw_seriallink_options24[3]));
1157 if (rval != QLA_SUCCESS) {
1158 qla_printk(KERN_WARNING, ha,
1159 "Unable to update Serial Link options (%x).\n", rval);
1160 }
1161 }
1162
1163 void
1164 qla2x00_config_rings(struct scsi_qla_host *vha)
1165 {
1166 struct qla_hw_data *ha = vha->hw;
1167 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1168 struct req_que *req = ha->req_q_map[0];
1169 struct rsp_que *rsp = ha->rsp_q_map[0];
1170
1171 /* Setup ring parameters in initialization control block. */
1172 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1173 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1174 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1175 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1176 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1177 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1178 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1179 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1180
1181 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1182 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1183 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1184 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1185 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1186 }
1187
1188 void
1189 qla24xx_config_rings(struct scsi_qla_host *vha)
1190 {
1191 struct qla_hw_data *ha = vha->hw;
1192 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1193 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1194 struct qla_msix_entry *msix;
1195 struct init_cb_24xx *icb;
1196 uint16_t rid = 0;
1197 struct req_que *req = ha->req_q_map[0];
1198 struct rsp_que *rsp = ha->rsp_q_map[0];
1199
1200 /* Setup ring parameters in initialization control block. */
1201 icb = (struct init_cb_24xx *)ha->init_cb;
1202 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1203 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1204 icb->request_q_length = cpu_to_le16(req->length);
1205 icb->response_q_length = cpu_to_le16(rsp->length);
1206 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1207 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1208 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1209 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1210
1211 if (ha->mqenable) {
1212 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1213 icb->rid = __constant_cpu_to_le16(rid);
1214 if (ha->flags.msix_enabled) {
1215 msix = &ha->msix_entries[1];
1216 DEBUG2_17(printk(KERN_INFO
1217 "Reistering vector 0x%x for base que\n", msix->entry));
1218 icb->msix = cpu_to_le16(msix->entry);
1219 }
1220 /* Use alternate PCI bus number */
1221 if (MSB(rid))
1222 icb->firmware_options_2 |=
1223 __constant_cpu_to_le32(BIT_19);
1224 /* Use alternate PCI devfn */
1225 if (LSB(rid))
1226 icb->firmware_options_2 |=
1227 __constant_cpu_to_le32(BIT_18);
1228
1229 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1230 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1231
1232 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1233 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1234 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1235 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1236 } else {
1237 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1238 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1239 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1240 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1241 }
1242 /* PCI posting */
1243 RD_REG_DWORD(&ioreg->hccr);
1244 }
1245
1246 /**
1247 * qla2x00_init_rings() - Initializes firmware.
1248 * @ha: HA context
1249 *
1250 * Beginning of request ring has initialization control block already built
1251 * by nvram config routine.
1252 *
1253 * Returns 0 on success.
1254 */
1255 static int
1256 qla2x00_init_rings(scsi_qla_host_t *vha)
1257 {
1258 int rval;
1259 unsigned long flags = 0;
1260 int cnt, que;
1261 struct qla_hw_data *ha = vha->hw;
1262 struct req_que *req;
1263 struct rsp_que *rsp;
1264 struct scsi_qla_host *vp;
1265 struct mid_init_cb_24xx *mid_init_cb =
1266 (struct mid_init_cb_24xx *) ha->init_cb;
1267
1268 spin_lock_irqsave(&ha->hardware_lock, flags);
1269
1270 /* Clear outstanding commands array. */
1271 for (que = 0; que < ha->max_queues; que++) {
1272 req = ha->req_q_map[que];
1273 if (!req)
1274 continue;
1275 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1276 req->outstanding_cmds[cnt] = NULL;
1277
1278 req->current_outstanding_cmd = 0;
1279
1280 /* Initialize firmware. */
1281 req->ring_ptr = req->ring;
1282 req->ring_index = 0;
1283 req->cnt = req->length;
1284 }
1285
1286 for (que = 0; que < ha->max_queues; que++) {
1287 rsp = ha->rsp_q_map[que];
1288 if (!rsp)
1289 continue;
1290 rsp->ring_ptr = rsp->ring;
1291 rsp->ring_index = 0;
1292
1293 /* Initialize response queue entries */
1294 qla2x00_init_response_q_entries(rsp);
1295 }
1296
1297 /* Clear RSCN queue. */
1298 list_for_each_entry(vp, &ha->vp_list, list) {
1299 vp->rscn_in_ptr = 0;
1300 vp->rscn_out_ptr = 0;
1301 }
1302 ha->isp_ops->config_rings(vha);
1303
1304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305
1306 /* Update any ISP specific firmware options before initialization. */
1307 ha->isp_ops->update_fw_options(vha);
1308
1309 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1310
1311 if (ha->flags.npiv_supported) {
1312 if (ha->operating_mode == LOOP)
1313 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1314 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1315 }
1316
1317
1318 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1319
1320 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1321 if (rval) {
1322 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1323 vha->host_no));
1324 } else {
1325 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1326 vha->host_no));
1327 }
1328
1329 return (rval);
1330 }
1331
1332 /**
1333 * qla2x00_fw_ready() - Waits for firmware ready.
1334 * @ha: HA context
1335 *
1336 * Returns 0 on success.
1337 */
1338 static int
1339 qla2x00_fw_ready(scsi_qla_host_t *vha)
1340 {
1341 int rval;
1342 unsigned long wtime, mtime, cs84xx_time;
1343 uint16_t min_wait; /* Minimum wait time if loop is down */
1344 uint16_t wait_time; /* Wait time if loop is coming ready */
1345 uint16_t state[3];
1346 struct qla_hw_data *ha = vha->hw;
1347
1348 rval = QLA_SUCCESS;
1349
1350 /* 20 seconds for loop down. */
1351 min_wait = 20;
1352
1353 /*
1354 * Firmware should take at most one RATOV to login, plus 5 seconds for
1355 * our own processing.
1356 */
1357 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1358 wait_time = min_wait;
1359 }
1360
1361 /* Min wait time if loop down */
1362 mtime = jiffies + (min_wait * HZ);
1363
1364 /* wait time before firmware ready */
1365 wtime = jiffies + (wait_time * HZ);
1366
1367 /* Wait for ISP to finish LIP */
1368 if (!vha->flags.init_done)
1369 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1370
1371 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1372 vha->host_no));
1373
1374 do {
1375 rval = qla2x00_get_firmware_state(vha, state);
1376 if (rval == QLA_SUCCESS) {
1377 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1378 vha->device_flags &= ~DFLG_NO_CABLE;
1379 }
1380 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1381 DEBUG16(printk("scsi(%ld): fw_state=%x "
1382 "84xx=%x.\n", vha->host_no, state[0],
1383 state[2]));
1384 if ((state[2] & FSTATE_LOGGED_IN) &&
1385 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1386 DEBUG16(printk("scsi(%ld): Sending "
1387 "verify iocb.\n", vha->host_no));
1388
1389 cs84xx_time = jiffies;
1390 rval = qla84xx_init_chip(vha);
1391 if (rval != QLA_SUCCESS)
1392 break;
1393
1394 /* Add time taken to initialize. */
1395 cs84xx_time = jiffies - cs84xx_time;
1396 wtime += cs84xx_time;
1397 mtime += cs84xx_time;
1398 DEBUG16(printk("scsi(%ld): Increasing "
1399 "wait time by %ld. New time %ld\n",
1400 vha->host_no, cs84xx_time, wtime));
1401 }
1402 } else if (state[0] == FSTATE_READY) {
1403 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1404 vha->host_no));
1405
1406 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1407 &ha->login_timeout, &ha->r_a_tov);
1408
1409 rval = QLA_SUCCESS;
1410 break;
1411 }
1412
1413 rval = QLA_FUNCTION_FAILED;
1414
1415 if (atomic_read(&vha->loop_down_timer) &&
1416 state[0] != FSTATE_READY) {
1417 /* Loop down. Timeout on min_wait for states
1418 * other than Wait for Login.
1419 */
1420 if (time_after_eq(jiffies, mtime)) {
1421 qla_printk(KERN_INFO, ha,
1422 "Cable is unplugged...\n");
1423
1424 vha->device_flags |= DFLG_NO_CABLE;
1425 break;
1426 }
1427 }
1428 } else {
1429 /* Mailbox cmd failed. Timeout on min_wait. */
1430 if (time_after_eq(jiffies, mtime))
1431 break;
1432 }
1433
1434 if (time_after_eq(jiffies, wtime))
1435 break;
1436
1437 /* Delay for a while */
1438 msleep(500);
1439
1440 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1441 vha->host_no, state[0], jiffies));
1442 } while (1);
1443
1444 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1445 vha->host_no, state[0], jiffies));
1446
1447 if (rval) {
1448 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1449 vha->host_no));
1450 }
1451
1452 return (rval);
1453 }
1454
1455 /*
1456 * qla2x00_configure_hba
1457 * Setup adapter context.
1458 *
1459 * Input:
1460 * ha = adapter state pointer.
1461 *
1462 * Returns:
1463 * 0 = success
1464 *
1465 * Context:
1466 * Kernel context.
1467 */
1468 static int
1469 qla2x00_configure_hba(scsi_qla_host_t *vha)
1470 {
1471 int rval;
1472 uint16_t loop_id;
1473 uint16_t topo;
1474 uint16_t sw_cap;
1475 uint8_t al_pa;
1476 uint8_t area;
1477 uint8_t domain;
1478 char connect_type[22];
1479 struct qla_hw_data *ha = vha->hw;
1480
1481 /* Get host addresses. */
1482 rval = qla2x00_get_adapter_id(vha,
1483 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1484 if (rval != QLA_SUCCESS) {
1485 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1486 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1487 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1488 __func__, vha->host_no));
1489 } else {
1490 qla_printk(KERN_WARNING, ha,
1491 "ERROR -- Unable to get host loop ID.\n");
1492 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1493 }
1494 return (rval);
1495 }
1496
1497 if (topo == 4) {
1498 qla_printk(KERN_INFO, ha,
1499 "Cannot get topology - retrying.\n");
1500 return (QLA_FUNCTION_FAILED);
1501 }
1502
1503 vha->loop_id = loop_id;
1504
1505 /* initialize */
1506 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1507 ha->operating_mode = LOOP;
1508 ha->switch_cap = 0;
1509
1510 switch (topo) {
1511 case 0:
1512 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1513 vha->host_no));
1514 ha->current_topology = ISP_CFG_NL;
1515 strcpy(connect_type, "(Loop)");
1516 break;
1517
1518 case 1:
1519 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1520 vha->host_no));
1521 ha->switch_cap = sw_cap;
1522 ha->current_topology = ISP_CFG_FL;
1523 strcpy(connect_type, "(FL_Port)");
1524 break;
1525
1526 case 2:
1527 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1528 vha->host_no));
1529 ha->operating_mode = P2P;
1530 ha->current_topology = ISP_CFG_N;
1531 strcpy(connect_type, "(N_Port-to-N_Port)");
1532 break;
1533
1534 case 3:
1535 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1536 vha->host_no));
1537 ha->switch_cap = sw_cap;
1538 ha->operating_mode = P2P;
1539 ha->current_topology = ISP_CFG_F;
1540 strcpy(connect_type, "(F_Port)");
1541 break;
1542
1543 default:
1544 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1545 "Using NL.\n",
1546 vha->host_no, topo));
1547 ha->current_topology = ISP_CFG_NL;
1548 strcpy(connect_type, "(Loop)");
1549 break;
1550 }
1551
1552 /* Save Host port and loop ID. */
1553 /* byte order - Big Endian */
1554 vha->d_id.b.domain = domain;
1555 vha->d_id.b.area = area;
1556 vha->d_id.b.al_pa = al_pa;
1557
1558 if (!vha->flags.init_done)
1559 qla_printk(KERN_INFO, ha,
1560 "Topology - %s, Host Loop address 0x%x\n",
1561 connect_type, vha->loop_id);
1562
1563 if (rval) {
1564 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1565 } else {
1566 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1567 }
1568
1569 return(rval);
1570 }
1571
1572 static inline void
1573 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1574 char *def)
1575 {
1576 char *st, *en;
1577 uint16_t index;
1578 struct qla_hw_data *ha = vha->hw;
1579
1580 if (memcmp(model, BINZERO, len) != 0) {
1581 strncpy(ha->model_number, model, len);
1582 st = en = ha->model_number;
1583 en += len - 1;
1584 while (en > st) {
1585 if (*en != 0x20 && *en != 0x00)
1586 break;
1587 *en-- = '\0';
1588 }
1589
1590 index = (ha->pdev->subsystem_device & 0xff);
1591 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1592 index < QLA_MODEL_NAMES)
1593 strncpy(ha->model_desc,
1594 qla2x00_model_name[index * 2 + 1],
1595 sizeof(ha->model_desc) - 1);
1596 } else {
1597 index = (ha->pdev->subsystem_device & 0xff);
1598 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1599 index < QLA_MODEL_NAMES) {
1600 strcpy(ha->model_number,
1601 qla2x00_model_name[index * 2]);
1602 strncpy(ha->model_desc,
1603 qla2x00_model_name[index * 2 + 1],
1604 sizeof(ha->model_desc) - 1);
1605 } else {
1606 strcpy(ha->model_number, def);
1607 }
1608 }
1609 if (IS_FWI2_CAPABLE(ha))
1610 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1611 sizeof(ha->model_desc));
1612 }
1613
1614 /* On sparc systems, obtain port and node WWN from firmware
1615 * properties.
1616 */
1617 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1618 {
1619 #ifdef CONFIG_SPARC
1620 struct qla_hw_data *ha = vha->hw;
1621 struct pci_dev *pdev = ha->pdev;
1622 struct device_node *dp = pci_device_to_OF_node(pdev);
1623 const u8 *val;
1624 int len;
1625
1626 val = of_get_property(dp, "port-wwn", &len);
1627 if (val && len >= WWN_SIZE)
1628 memcpy(nv->port_name, val, WWN_SIZE);
1629
1630 val = of_get_property(dp, "node-wwn", &len);
1631 if (val && len >= WWN_SIZE)
1632 memcpy(nv->node_name, val, WWN_SIZE);
1633 #endif
1634 }
1635
1636 /*
1637 * NVRAM configuration for ISP 2xxx
1638 *
1639 * Input:
1640 * ha = adapter block pointer.
1641 *
1642 * Output:
1643 * initialization control block in response_ring
1644 * host adapters parameters in host adapter block
1645 *
1646 * Returns:
1647 * 0 = success.
1648 */
1649 int
1650 qla2x00_nvram_config(scsi_qla_host_t *vha)
1651 {
1652 int rval;
1653 uint8_t chksum = 0;
1654 uint16_t cnt;
1655 uint8_t *dptr1, *dptr2;
1656 struct qla_hw_data *ha = vha->hw;
1657 init_cb_t *icb = ha->init_cb;
1658 nvram_t *nv = ha->nvram;
1659 uint8_t *ptr = ha->nvram;
1660 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1661
1662 rval = QLA_SUCCESS;
1663
1664 /* Determine NVRAM starting address. */
1665 ha->nvram_size = sizeof(nvram_t);
1666 ha->nvram_base = 0;
1667 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1668 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1669 ha->nvram_base = 0x80;
1670
1671 /* Get NVRAM data and calculate checksum. */
1672 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1673 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1674 chksum += *ptr++;
1675
1676 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1677 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1678
1679 /* Bad NVRAM data, set defaults parameters. */
1680 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1681 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1682 /* Reset NVRAM data. */
1683 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1684 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1685 nv->nvram_version);
1686 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1687 "invalid -- WWPN) defaults.\n");
1688
1689 /*
1690 * Set default initialization control block.
1691 */
1692 memset(nv, 0, ha->nvram_size);
1693 nv->parameter_block_version = ICB_VERSION;
1694
1695 if (IS_QLA23XX(ha)) {
1696 nv->firmware_options[0] = BIT_2 | BIT_1;
1697 nv->firmware_options[1] = BIT_7 | BIT_5;
1698 nv->add_firmware_options[0] = BIT_5;
1699 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1700 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1701 nv->special_options[1] = BIT_7;
1702 } else if (IS_QLA2200(ha)) {
1703 nv->firmware_options[0] = BIT_2 | BIT_1;
1704 nv->firmware_options[1] = BIT_7 | BIT_5;
1705 nv->add_firmware_options[0] = BIT_5;
1706 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1707 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1708 } else if (IS_QLA2100(ha)) {
1709 nv->firmware_options[0] = BIT_3 | BIT_1;
1710 nv->firmware_options[1] = BIT_5;
1711 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1712 }
1713
1714 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1715 nv->execution_throttle = __constant_cpu_to_le16(16);
1716 nv->retry_count = 8;
1717 nv->retry_delay = 1;
1718
1719 nv->port_name[0] = 33;
1720 nv->port_name[3] = 224;
1721 nv->port_name[4] = 139;
1722
1723 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1724
1725 nv->login_timeout = 4;
1726
1727 /*
1728 * Set default host adapter parameters
1729 */
1730 nv->host_p[1] = BIT_2;
1731 nv->reset_delay = 5;
1732 nv->port_down_retry_count = 8;
1733 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1734 nv->link_down_timeout = 60;
1735
1736 rval = 1;
1737 }
1738
1739 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1740 /*
1741 * The SN2 does not provide BIOS emulation which means you can't change
1742 * potentially bogus BIOS settings. Force the use of default settings
1743 * for link rate and frame size. Hope that the rest of the settings
1744 * are valid.
1745 */
1746 if (ia64_platform_is("sn2")) {
1747 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1748 if (IS_QLA23XX(ha))
1749 nv->special_options[1] = BIT_7;
1750 }
1751 #endif
1752
1753 /* Reset Initialization control block */
1754 memset(icb, 0, ha->init_cb_size);
1755
1756 /*
1757 * Setup driver NVRAM options.
1758 */
1759 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1760 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1761 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1762 nv->firmware_options[1] &= ~BIT_4;
1763
1764 if (IS_QLA23XX(ha)) {
1765 nv->firmware_options[0] |= BIT_2;
1766 nv->firmware_options[0] &= ~BIT_3;
1767 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1768
1769 if (IS_QLA2300(ha)) {
1770 if (ha->fb_rev == FPM_2310) {
1771 strcpy(ha->model_number, "QLA2310");
1772 } else {
1773 strcpy(ha->model_number, "QLA2300");
1774 }
1775 } else {
1776 qla2x00_set_model_info(vha, nv->model_number,
1777 sizeof(nv->model_number), "QLA23xx");
1778 }
1779 } else if (IS_QLA2200(ha)) {
1780 nv->firmware_options[0] |= BIT_2;
1781 /*
1782 * 'Point-to-point preferred, else loop' is not a safe
1783 * connection mode setting.
1784 */
1785 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1786 (BIT_5 | BIT_4)) {
1787 /* Force 'loop preferred, else point-to-point'. */
1788 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1789 nv->add_firmware_options[0] |= BIT_5;
1790 }
1791 strcpy(ha->model_number, "QLA22xx");
1792 } else /*if (IS_QLA2100(ha))*/ {
1793 strcpy(ha->model_number, "QLA2100");
1794 }
1795
1796 /*
1797 * Copy over NVRAM RISC parameter block to initialization control block.
1798 */
1799 dptr1 = (uint8_t *)icb;
1800 dptr2 = (uint8_t *)&nv->parameter_block_version;
1801 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1802 while (cnt--)
1803 *dptr1++ = *dptr2++;
1804
1805 /* Copy 2nd half. */
1806 dptr1 = (uint8_t *)icb->add_firmware_options;
1807 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1808 while (cnt--)
1809 *dptr1++ = *dptr2++;
1810
1811 /* Use alternate WWN? */
1812 if (nv->host_p[1] & BIT_7) {
1813 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1814 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1815 }
1816
1817 /* Prepare nodename */
1818 if ((icb->firmware_options[1] & BIT_6) == 0) {
1819 /*
1820 * Firmware will apply the following mask if the nodename was
1821 * not provided.
1822 */
1823 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1824 icb->node_name[0] &= 0xF0;
1825 }
1826
1827 /*
1828 * Set host adapter parameters.
1829 */
1830 if (nv->host_p[0] & BIT_7)
1831 ql2xextended_error_logging = 1;
1832 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1833 /* Always load RISC code on non ISP2[12]00 chips. */
1834 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1835 ha->flags.disable_risc_code_load = 0;
1836 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1837 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1838 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1839 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1840 ha->flags.disable_serdes = 0;
1841
1842 ha->operating_mode =
1843 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1844
1845 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1846 sizeof(ha->fw_seriallink_options));
1847
1848 /* save HBA serial number */
1849 ha->serial0 = icb->port_name[5];
1850 ha->serial1 = icb->port_name[6];
1851 ha->serial2 = icb->port_name[7];
1852 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1853 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1854
1855 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1856
1857 ha->retry_count = nv->retry_count;
1858
1859 /* Set minimum login_timeout to 4 seconds. */
1860 if (nv->login_timeout < ql2xlogintimeout)
1861 nv->login_timeout = ql2xlogintimeout;
1862 if (nv->login_timeout < 4)
1863 nv->login_timeout = 4;
1864 ha->login_timeout = nv->login_timeout;
1865 icb->login_timeout = nv->login_timeout;
1866
1867 /* Set minimum RATOV to 100 tenths of a second. */
1868 ha->r_a_tov = 100;
1869
1870 ha->loop_reset_delay = nv->reset_delay;
1871
1872 /* Link Down Timeout = 0:
1873 *
1874 * When Port Down timer expires we will start returning
1875 * I/O's to OS with "DID_NO_CONNECT".
1876 *
1877 * Link Down Timeout != 0:
1878 *
1879 * The driver waits for the link to come up after link down
1880 * before returning I/Os to OS with "DID_NO_CONNECT".
1881 */
1882 if (nv->link_down_timeout == 0) {
1883 ha->loop_down_abort_time =
1884 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1885 } else {
1886 ha->link_down_timeout = nv->link_down_timeout;
1887 ha->loop_down_abort_time =
1888 (LOOP_DOWN_TIME - ha->link_down_timeout);
1889 }
1890
1891 /*
1892 * Need enough time to try and get the port back.
1893 */
1894 ha->port_down_retry_count = nv->port_down_retry_count;
1895 if (qlport_down_retry)
1896 ha->port_down_retry_count = qlport_down_retry;
1897 /* Set login_retry_count */
1898 ha->login_retry_count = nv->retry_count;
1899 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1900 ha->port_down_retry_count > 3)
1901 ha->login_retry_count = ha->port_down_retry_count;
1902 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1903 ha->login_retry_count = ha->port_down_retry_count;
1904 if (ql2xloginretrycount)
1905 ha->login_retry_count = ql2xloginretrycount;
1906
1907 icb->lun_enables = __constant_cpu_to_le16(0);
1908 icb->command_resource_count = 0;
1909 icb->immediate_notify_resource_count = 0;
1910 icb->timeout = __constant_cpu_to_le16(0);
1911
1912 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1913 /* Enable RIO */
1914 icb->firmware_options[0] &= ~BIT_3;
1915 icb->add_firmware_options[0] &=
1916 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1917 icb->add_firmware_options[0] |= BIT_2;
1918 icb->response_accumulation_timer = 3;
1919 icb->interrupt_delay_timer = 5;
1920
1921 vha->flags.process_response_queue = 1;
1922 } else {
1923 /* Enable ZIO. */
1924 if (!vha->flags.init_done) {
1925 ha->zio_mode = icb->add_firmware_options[0] &
1926 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1927 ha->zio_timer = icb->interrupt_delay_timer ?
1928 icb->interrupt_delay_timer: 2;
1929 }
1930 icb->add_firmware_options[0] &=
1931 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1932 vha->flags.process_response_queue = 0;
1933 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1934 ha->zio_mode = QLA_ZIO_MODE_6;
1935
1936 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1937 "delay (%d us).\n", vha->host_no, ha->zio_mode,
1938 ha->zio_timer * 100));
1939 qla_printk(KERN_INFO, ha,
1940 "ZIO mode %d enabled; timer delay (%d us).\n",
1941 ha->zio_mode, ha->zio_timer * 100);
1942
1943 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1944 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1945 vha->flags.process_response_queue = 1;
1946 }
1947 }
1948
1949 if (rval) {
1950 DEBUG2_3(printk(KERN_WARNING
1951 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1952 }
1953 return (rval);
1954 }
1955
1956 static void
1957 qla2x00_rport_del(void *data)
1958 {
1959 fc_port_t *fcport = data;
1960 struct fc_rport *rport;
1961
1962 spin_lock_irq(fcport->vha->host->host_lock);
1963 rport = fcport->drport;
1964 fcport->drport = NULL;
1965 spin_unlock_irq(fcport->vha->host->host_lock);
1966 if (rport)
1967 fc_remote_port_delete(rport);
1968 }
1969
1970 /**
1971 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1972 * @ha: HA context
1973 * @flags: allocation flags
1974 *
1975 * Returns a pointer to the allocated fcport, or NULL, if none available.
1976 */
1977 static fc_port_t *
1978 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1979 {
1980 fc_port_t *fcport;
1981
1982 fcport = kzalloc(sizeof(fc_port_t), flags);
1983 if (!fcport)
1984 return NULL;
1985
1986 /* Setup fcport template structure. */
1987 fcport->vha = vha;
1988 fcport->vp_idx = vha->vp_idx;
1989 fcport->port_type = FCT_UNKNOWN;
1990 fcport->loop_id = FC_NO_LOOP_ID;
1991 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1992 fcport->flags = FCF_RLC_SUPPORT;
1993 fcport->supported_classes = FC_COS_UNSPECIFIED;
1994
1995 return fcport;
1996 }
1997
1998 /*
1999 * qla2x00_configure_loop
2000 * Updates Fibre Channel Device Database with what is actually on loop.
2001 *
2002 * Input:
2003 * ha = adapter block pointer.
2004 *
2005 * Returns:
2006 * 0 = success.
2007 * 1 = error.
2008 * 2 = database was full and device was not configured.
2009 */
2010 static int
2011 qla2x00_configure_loop(scsi_qla_host_t *vha)
2012 {
2013 int rval;
2014 unsigned long flags, save_flags;
2015 struct qla_hw_data *ha = vha->hw;
2016 rval = QLA_SUCCESS;
2017
2018 /* Get Initiator ID */
2019 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2020 rval = qla2x00_configure_hba(vha);
2021 if (rval != QLA_SUCCESS) {
2022 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2023 vha->host_no));
2024 return (rval);
2025 }
2026 }
2027
2028 save_flags = flags = vha->dpc_flags;
2029 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2030 vha->host_no, flags));
2031
2032 /*
2033 * If we have both an RSCN and PORT UPDATE pending then handle them
2034 * both at the same time.
2035 */
2036 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2037 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2038
2039 /* Determine what we need to do */
2040 if (ha->current_topology == ISP_CFG_FL &&
2041 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2042
2043 vha->flags.rscn_queue_overflow = 1;
2044 set_bit(RSCN_UPDATE, &flags);
2045
2046 } else if (ha->current_topology == ISP_CFG_F &&
2047 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2048
2049 vha->flags.rscn_queue_overflow = 1;
2050 set_bit(RSCN_UPDATE, &flags);
2051 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2052
2053 } else if (ha->current_topology == ISP_CFG_N) {
2054 clear_bit(RSCN_UPDATE, &flags);
2055
2056 } else if (!vha->flags.online ||
2057 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2058
2059 vha->flags.rscn_queue_overflow = 1;
2060 set_bit(RSCN_UPDATE, &flags);
2061 set_bit(LOCAL_LOOP_UPDATE, &flags);
2062 }
2063
2064 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2065 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2066 rval = QLA_FUNCTION_FAILED;
2067 else
2068 rval = qla2x00_configure_local_loop(vha);
2069 }
2070
2071 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2072 if (LOOP_TRANSITION(vha))
2073 rval = QLA_FUNCTION_FAILED;
2074 else
2075 rval = qla2x00_configure_fabric(vha);
2076 }
2077
2078 if (rval == QLA_SUCCESS) {
2079 if (atomic_read(&vha->loop_down_timer) ||
2080 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2081 rval = QLA_FUNCTION_FAILED;
2082 } else {
2083 atomic_set(&vha->loop_state, LOOP_READY);
2084
2085 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2086 }
2087 }
2088
2089 if (rval) {
2090 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2091 __func__, vha->host_no));
2092 } else {
2093 DEBUG3(printk("%s: exiting normally\n", __func__));
2094 }
2095
2096 /* Restore state if a resync event occurred during processing */
2097 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2098 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2099 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2100 if (test_bit(RSCN_UPDATE, &save_flags))
2101 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2102 }
2103
2104 return (rval);
2105 }
2106
2107
2108
2109 /*
2110 * qla2x00_configure_local_loop
2111 * Updates Fibre Channel Device Database with local loop devices.
2112 *
2113 * Input:
2114 * ha = adapter block pointer.
2115 *
2116 * Returns:
2117 * 0 = success.
2118 */
2119 static int
2120 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2121 {
2122 int rval, rval2;
2123 int found_devs;
2124 int found;
2125 fc_port_t *fcport, *new_fcport;
2126
2127 uint16_t index;
2128 uint16_t entries;
2129 char *id_iter;
2130 uint16_t loop_id;
2131 uint8_t domain, area, al_pa;
2132 struct qla_hw_data *ha = vha->hw;
2133
2134 found_devs = 0;
2135 new_fcport = NULL;
2136 entries = MAX_FIBRE_DEVICES;
2137
2138 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2139 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2140
2141 /* Get list of logged in devices. */
2142 memset(ha->gid_list, 0, GID_LIST_SIZE);
2143 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2144 &entries);
2145 if (rval != QLA_SUCCESS)
2146 goto cleanup_allocation;
2147
2148 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2149 ha->host_no, entries));
2150 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2151 entries * sizeof(struct gid_list_info)));
2152
2153 /* Allocate temporary fcport for any new fcports discovered. */
2154 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2155 if (new_fcport == NULL) {
2156 rval = QLA_MEMORY_ALLOC_FAILED;
2157 goto cleanup_allocation;
2158 }
2159 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2160
2161 /*
2162 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2163 */
2164 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2165 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2166 fcport->port_type != FCT_BROADCAST &&
2167 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2168
2169 DEBUG(printk("scsi(%ld): Marking port lost, "
2170 "loop_id=0x%04x\n",
2171 vha->host_no, fcport->loop_id));
2172
2173 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2174 fcport->flags &= ~FCF_FARP_DONE;
2175 }
2176 }
2177
2178 /* Add devices to port list. */
2179 id_iter = (char *)ha->gid_list;
2180 for (index = 0; index < entries; index++) {
2181 domain = ((struct gid_list_info *)id_iter)->domain;
2182 area = ((struct gid_list_info *)id_iter)->area;
2183 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2184 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2185 loop_id = (uint16_t)
2186 ((struct gid_list_info *)id_iter)->loop_id_2100;
2187 else
2188 loop_id = le16_to_cpu(
2189 ((struct gid_list_info *)id_iter)->loop_id);
2190 id_iter += ha->gid_list_info_size;
2191
2192 /* Bypass reserved domain fields. */
2193 if ((domain & 0xf0) == 0xf0)
2194 continue;
2195
2196 /* Bypass if not same domain and area of adapter. */
2197 if (area && domain &&
2198 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2199 continue;
2200
2201 /* Bypass invalid local loop ID. */
2202 if (loop_id > LAST_LOCAL_LOOP_ID)
2203 continue;
2204
2205 /* Fill in member data. */
2206 new_fcport->d_id.b.domain = domain;
2207 new_fcport->d_id.b.area = area;
2208 new_fcport->d_id.b.al_pa = al_pa;
2209 new_fcport->loop_id = loop_id;
2210 new_fcport->vp_idx = vha->vp_idx;
2211 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2212 if (rval2 != QLA_SUCCESS) {
2213 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2214 "information -- get_port_database=%x, "
2215 "loop_id=0x%04x\n",
2216 vha->host_no, rval2, new_fcport->loop_id));
2217 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2218 vha->host_no));
2219 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2220 continue;
2221 }
2222
2223 /* Check for matching device in port list. */
2224 found = 0;
2225 fcport = NULL;
2226 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2227 if (memcmp(new_fcport->port_name, fcport->port_name,
2228 WWN_SIZE))
2229 continue;
2230
2231 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2232 FCF_PERSISTENT_BOUND);
2233 fcport->loop_id = new_fcport->loop_id;
2234 fcport->port_type = new_fcport->port_type;
2235 fcport->d_id.b24 = new_fcport->d_id.b24;
2236 memcpy(fcport->node_name, new_fcport->node_name,
2237 WWN_SIZE);
2238
2239 found++;
2240 break;
2241 }
2242
2243 if (!found) {
2244 /* New device, add to fcports list. */
2245 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2246 if (vha->vp_idx) {
2247 new_fcport->vha = vha;
2248 new_fcport->vp_idx = vha->vp_idx;
2249 }
2250 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2251
2252 /* Allocate a new replacement fcport. */
2253 fcport = new_fcport;
2254 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2255 if (new_fcport == NULL) {
2256 rval = QLA_MEMORY_ALLOC_FAILED;
2257 goto cleanup_allocation;
2258 }
2259 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2260 }
2261
2262 /* Base iIDMA settings on HBA port speed. */
2263 fcport->fp_speed = ha->link_data_rate;
2264
2265 qla2x00_update_fcport(vha, fcport);
2266
2267 found_devs++;
2268 }
2269
2270 cleanup_allocation:
2271 kfree(new_fcport);
2272
2273 if (rval != QLA_SUCCESS) {
2274 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2275 "rval=%x\n", vha->host_no, rval));
2276 }
2277
2278 if (found_devs) {
2279 vha->device_flags |= DFLG_LOCAL_DEVICES;
2280 vha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2281 }
2282
2283 return (rval);
2284 }
2285
2286 static void
2287 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2288 {
2289 #define LS_UNKNOWN 2
2290 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2291 int rval;
2292 uint16_t mb[6];
2293 struct qla_hw_data *ha = vha->hw;
2294
2295 if (!IS_IIDMA_CAPABLE(ha))
2296 return;
2297
2298 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2299 fcport->fp_speed > ha->link_data_rate)
2300 return;
2301
2302 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2303 mb);
2304 if (rval != QLA_SUCCESS) {
2305 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2306 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2307 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2308 fcport->port_name[2], fcport->port_name[3],
2309 fcport->port_name[4], fcport->port_name[5],
2310 fcport->port_name[6], fcport->port_name[7], rval,
2311 fcport->fp_speed, mb[0], mb[1]));
2312 } else {
2313 DEBUG2(qla_printk(KERN_INFO, ha,
2314 "iIDMA adjusted to %s GB/s on "
2315 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2316 link_speeds[fcport->fp_speed], fcport->port_name[0],
2317 fcport->port_name[1], fcport->port_name[2],
2318 fcport->port_name[3], fcport->port_name[4],
2319 fcport->port_name[5], fcport->port_name[6],
2320 fcport->port_name[7]));
2321 }
2322 }
2323
2324 static void
2325 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2326 {
2327 struct fc_rport_identifiers rport_ids;
2328 struct fc_rport *rport;
2329 struct qla_hw_data *ha = vha->hw;
2330
2331 if (fcport->drport)
2332 qla2x00_rport_del(fcport);
2333
2334 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2335 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2336 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2337 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2338 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2339 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2340 if (!rport) {
2341 qla_printk(KERN_WARNING, ha,
2342 "Unable to allocate fc remote port!\n");
2343 return;
2344 }
2345 spin_lock_irq(fcport->vha->host->host_lock);
2346 *((fc_port_t **)rport->dd_data) = fcport;
2347 spin_unlock_irq(fcport->vha->host->host_lock);
2348
2349 rport->supported_classes = fcport->supported_classes;
2350
2351 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2352 if (fcport->port_type == FCT_INITIATOR)
2353 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2354 if (fcport->port_type == FCT_TARGET)
2355 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2356 fc_remote_port_rolechg(rport, rport_ids.roles);
2357 }
2358
2359 /*
2360 * qla2x00_update_fcport
2361 * Updates device on list.
2362 *
2363 * Input:
2364 * ha = adapter block pointer.
2365 * fcport = port structure pointer.
2366 *
2367 * Return:
2368 * 0 - Success
2369 * BIT_0 - error
2370 *
2371 * Context:
2372 * Kernel context.
2373 */
2374 void
2375 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2376 {
2377 struct qla_hw_data *ha = vha->hw;
2378
2379 fcport->vha = vha;
2380 fcport->login_retry = 0;
2381 fcport->port_login_retry_count = ha->port_down_retry_count *
2382 PORT_RETRY_TIME;
2383 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2384 PORT_RETRY_TIME);
2385 fcport->flags &= ~FCF_LOGIN_NEEDED;
2386
2387 qla2x00_iidma_fcport(vha, fcport);
2388
2389 atomic_set(&fcport->state, FCS_ONLINE);
2390
2391 qla2x00_reg_remote_port(vha, fcport);
2392 }
2393
2394 /*
2395 * qla2x00_configure_fabric
2396 * Setup SNS devices with loop ID's.
2397 *
2398 * Input:
2399 * ha = adapter block pointer.
2400 *
2401 * Returns:
2402 * 0 = success.
2403 * BIT_0 = error
2404 */
2405 static int
2406 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2407 {
2408 int rval, rval2;
2409 fc_port_t *fcport, *fcptemp;
2410 uint16_t next_loopid;
2411 uint16_t mb[MAILBOX_REGISTER_COUNT];
2412 uint16_t loop_id;
2413 LIST_HEAD(new_fcports);
2414 struct qla_hw_data *ha = vha->hw;
2415 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2416
2417 /* If FL port exists, then SNS is present */
2418 if (IS_FWI2_CAPABLE(ha))
2419 loop_id = NPH_F_PORT;
2420 else
2421 loop_id = SNS_FL_PORT;
2422 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2423 if (rval != QLA_SUCCESS) {
2424 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2425 "Port\n", vha->host_no));
2426
2427 vha->device_flags &= ~SWITCH_FOUND;
2428 return (QLA_SUCCESS);
2429 }
2430 vha->device_flags |= SWITCH_FOUND;
2431
2432 /* Mark devices that need re-synchronization. */
2433 rval2 = qla2x00_device_resync(vha);
2434 if (rval2 == QLA_RSCNS_HANDLED) {
2435 /* No point doing the scan, just continue. */
2436 return (QLA_SUCCESS);
2437 }
2438 do {
2439 /* FDMI support. */
2440 if (ql2xfdmienable &&
2441 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2442 qla2x00_fdmi_register(vha);
2443
2444 /* Ensure we are logged into the SNS. */
2445 if (IS_FWI2_CAPABLE(ha))
2446 loop_id = NPH_SNS;
2447 else
2448 loop_id = SIMPLE_NAME_SERVER;
2449 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2450 0xfc, mb, BIT_1 | BIT_0);
2451 if (mb[0] != MBS_COMMAND_COMPLETE) {
2452 DEBUG2(qla_printk(KERN_INFO, ha,
2453 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2454 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2455 mb[0], mb[1], mb[2], mb[6], mb[7]));
2456 return (QLA_SUCCESS);
2457 }
2458
2459 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2460 if (qla2x00_rft_id(vha)) {
2461 /* EMPTY */
2462 DEBUG2(printk("scsi(%ld): Register FC-4 "
2463 "TYPE failed.\n", vha->host_no));
2464 }
2465 if (qla2x00_rff_id(vha)) {
2466 /* EMPTY */
2467 DEBUG2(printk("scsi(%ld): Register FC-4 "
2468 "Features failed.\n", vha->host_no));
2469 }
2470 if (qla2x00_rnn_id(vha)) {
2471 /* EMPTY */
2472 DEBUG2(printk("scsi(%ld): Register Node Name "
2473 "failed.\n", vha->host_no));
2474 } else if (qla2x00_rsnn_nn(vha)) {
2475 /* EMPTY */
2476 DEBUG2(printk("scsi(%ld): Register Symbolic "
2477 "Node Name failed.\n", vha->host_no));
2478 }
2479 }
2480
2481 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2482 if (rval != QLA_SUCCESS)
2483 break;
2484
2485 /*
2486 * Logout all previous fabric devices marked lost, except
2487 * tape devices.
2488 */
2489 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2490 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2491 break;
2492
2493 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2494 continue;
2495
2496 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2497 qla2x00_mark_device_lost(vha, fcport,
2498 ql2xplogiabsentdevice, 0);
2499 if (fcport->loop_id != FC_NO_LOOP_ID &&
2500 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2501 fcport->port_type != FCT_INITIATOR &&
2502 fcport->port_type != FCT_BROADCAST) {
2503 ha->isp_ops->fabric_logout(vha,
2504 fcport->loop_id,
2505 fcport->d_id.b.domain,
2506 fcport->d_id.b.area,
2507 fcport->d_id.b.al_pa);
2508 fcport->loop_id = FC_NO_LOOP_ID;
2509 }
2510 }
2511 }
2512
2513 /* Starting free loop ID. */
2514 next_loopid = ha->min_external_loopid;
2515
2516 /*
2517 * Scan through our port list and login entries that need to be
2518 * logged in.
2519 */
2520 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2521 if (atomic_read(&vha->loop_down_timer) ||
2522 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2523 break;
2524
2525 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2526 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2527 continue;
2528
2529 if (fcport->loop_id == FC_NO_LOOP_ID) {
2530 fcport->loop_id = next_loopid;
2531 rval = qla2x00_find_new_loop_id(
2532 base_vha, fcport);
2533 if (rval != QLA_SUCCESS) {
2534 /* Ran out of IDs to use */
2535 break;
2536 }
2537 }
2538 /* Login and update database */
2539 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2540 }
2541
2542 /* Exit if out of loop IDs. */
2543 if (rval != QLA_SUCCESS) {
2544 break;
2545 }
2546
2547 /*
2548 * Login and add the new devices to our port list.
2549 */
2550 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2551 if (atomic_read(&vha->loop_down_timer) ||
2552 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2553 break;
2554
2555 /* Find a new loop ID to use. */
2556 fcport->loop_id = next_loopid;
2557 rval = qla2x00_find_new_loop_id(base_vha, fcport);
2558 if (rval != QLA_SUCCESS) {
2559 /* Ran out of IDs to use */
2560 break;
2561 }
2562
2563 /* Login and update database */
2564 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2565
2566 if (vha->vp_idx) {
2567 fcport->vha = vha;
2568 fcport->vp_idx = vha->vp_idx;
2569 }
2570 list_move_tail(&fcport->list, &vha->vp_fcports);
2571 }
2572 } while (0);
2573
2574 /* Free all new device structures not processed. */
2575 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2576 list_del(&fcport->list);
2577 kfree(fcport);
2578 }
2579
2580 if (rval) {
2581 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2582 "rval=%d\n", vha->host_no, rval));
2583 }
2584
2585 return (rval);
2586 }
2587
2588
2589 /*
2590 * qla2x00_find_all_fabric_devs
2591 *
2592 * Input:
2593 * ha = adapter block pointer.
2594 * dev = database device entry pointer.
2595 *
2596 * Returns:
2597 * 0 = success.
2598 *
2599 * Context:
2600 * Kernel context.
2601 */
2602 static int
2603 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2604 struct list_head *new_fcports)
2605 {
2606 int rval;
2607 uint16_t loop_id;
2608 fc_port_t *fcport, *new_fcport, *fcptemp;
2609 int found;
2610
2611 sw_info_t *swl;
2612 int swl_idx;
2613 int first_dev, last_dev;
2614 port_id_t wrap, nxt_d_id;
2615 struct qla_hw_data *ha = vha->hw;
2616 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2617 struct scsi_qla_host *tvp;
2618
2619 rval = QLA_SUCCESS;
2620
2621 /* Try GID_PT to get device list, else GAN. */
2622 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2623 if (!swl) {
2624 /*EMPTY*/
2625 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2626 "on GA_NXT\n", vha->host_no));
2627 } else {
2628 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2629 kfree(swl);
2630 swl = NULL;
2631 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2632 kfree(swl);
2633 swl = NULL;
2634 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2635 kfree(swl);
2636 swl = NULL;
2637 } else if (ql2xiidmaenable &&
2638 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2639 qla2x00_gpsc(vha, swl);
2640 }
2641 }
2642 swl_idx = 0;
2643
2644 /* Allocate temporary fcport for any new fcports discovered. */
2645 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2646 if (new_fcport == NULL) {
2647 kfree(swl);
2648 return (QLA_MEMORY_ALLOC_FAILED);
2649 }
2650 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2651 /* Set start port ID scan at adapter ID. */
2652 first_dev = 1;
2653 last_dev = 0;
2654
2655 /* Starting free loop ID. */
2656 loop_id = ha->min_external_loopid;
2657 for (; loop_id <= ha->max_loop_id; loop_id++) {
2658 if (qla2x00_is_reserved_id(vha, loop_id))
2659 continue;
2660
2661 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2662 break;
2663
2664 if (swl != NULL) {
2665 if (last_dev) {
2666 wrap.b24 = new_fcport->d_id.b24;
2667 } else {
2668 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2669 memcpy(new_fcport->node_name,
2670 swl[swl_idx].node_name, WWN_SIZE);
2671 memcpy(new_fcport->port_name,
2672 swl[swl_idx].port_name, WWN_SIZE);
2673 memcpy(new_fcport->fabric_port_name,
2674 swl[swl_idx].fabric_port_name, WWN_SIZE);
2675 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2676
2677 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2678 last_dev = 1;
2679 }
2680 swl_idx++;
2681 }
2682 } else {
2683 /* Send GA_NXT to the switch */
2684 rval = qla2x00_ga_nxt(vha, new_fcport);
2685 if (rval != QLA_SUCCESS) {
2686 qla_printk(KERN_WARNING, ha,
2687 "SNS scan failed -- assuming zero-entry "
2688 "result...\n");
2689 list_for_each_entry_safe(fcport, fcptemp,
2690 new_fcports, list) {
2691 list_del(&fcport->list);
2692 kfree(fcport);
2693 }
2694 rval = QLA_SUCCESS;
2695 break;
2696 }
2697 }
2698
2699 /* If wrap on switch device list, exit. */
2700 if (first_dev) {
2701 wrap.b24 = new_fcport->d_id.b24;
2702 first_dev = 0;
2703 } else if (new_fcport->d_id.b24 == wrap.b24) {
2704 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2705 vha->host_no, new_fcport->d_id.b.domain,
2706 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2707 break;
2708 }
2709
2710 /* Bypass if same physical adapter. */
2711 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2712 continue;
2713
2714 /* Bypass virtual ports of the same host. */
2715 found = 0;
2716 if (ha->num_vhosts) {
2717 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2718 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2719 found = 1;
2720 break;
2721 }
2722 }
2723 if (found)
2724 continue;
2725 }
2726
2727 /* Bypass if same domain and area of adapter. */
2728 if (((new_fcport->d_id.b24 & 0xffff00) ==
2729 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2730 ISP_CFG_FL)
2731 continue;
2732
2733 /* Bypass reserved domain fields. */
2734 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2735 continue;
2736
2737 /* Locate matching device in database. */
2738 found = 0;
2739 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2740 if (memcmp(new_fcport->port_name, fcport->port_name,
2741 WWN_SIZE))
2742 continue;
2743
2744 found++;
2745
2746 /* Update port state. */
2747 memcpy(fcport->fabric_port_name,
2748 new_fcport->fabric_port_name, WWN_SIZE);
2749 fcport->fp_speed = new_fcport->fp_speed;
2750
2751 /*
2752 * If address the same and state FCS_ONLINE, nothing
2753 * changed.
2754 */
2755 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2756 atomic_read(&fcport->state) == FCS_ONLINE) {
2757 break;
2758 }
2759
2760 /*
2761 * If device was not a fabric device before.
2762 */
2763 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2764 fcport->d_id.b24 = new_fcport->d_id.b24;
2765 fcport->loop_id = FC_NO_LOOP_ID;
2766 fcport->flags |= (FCF_FABRIC_DEVICE |
2767 FCF_LOGIN_NEEDED);
2768 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2769 break;
2770 }
2771
2772 /*
2773 * Port ID changed or device was marked to be updated;
2774 * Log it out if still logged in and mark it for
2775 * relogin later.
2776 */
2777 fcport->d_id.b24 = new_fcport->d_id.b24;
2778 fcport->flags |= FCF_LOGIN_NEEDED;
2779 if (fcport->loop_id != FC_NO_LOOP_ID &&
2780 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2781 fcport->port_type != FCT_INITIATOR &&
2782 fcport->port_type != FCT_BROADCAST) {
2783 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2784 fcport->d_id.b.domain, fcport->d_id.b.area,
2785 fcport->d_id.b.al_pa);
2786 fcport->loop_id = FC_NO_LOOP_ID;
2787 }
2788
2789 break;
2790 }
2791
2792 if (found)
2793 continue;
2794 /* If device was not in our fcports list, then add it. */
2795 list_add_tail(&new_fcport->list, new_fcports);
2796
2797 /* Allocate a new replacement fcport. */
2798 nxt_d_id.b24 = new_fcport->d_id.b24;
2799 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2800 if (new_fcport == NULL) {
2801 kfree(swl);
2802 return (QLA_MEMORY_ALLOC_FAILED);
2803 }
2804 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2805 new_fcport->d_id.b24 = nxt_d_id.b24;
2806 }
2807
2808 kfree(swl);
2809 kfree(new_fcport);
2810
2811 if (!list_empty(new_fcports))
2812 vha->device_flags |= DFLG_FABRIC_DEVICES;
2813
2814 return (rval);
2815 }
2816
2817 /*
2818 * qla2x00_find_new_loop_id
2819 * Scan through our port list and find a new usable loop ID.
2820 *
2821 * Input:
2822 * ha: adapter state pointer.
2823 * dev: port structure pointer.
2824 *
2825 * Returns:
2826 * qla2x00 local function return status code.
2827 *
2828 * Context:
2829 * Kernel context.
2830 */
2831 static int
2832 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2833 {
2834 int rval;
2835 int found;
2836 fc_port_t *fcport;
2837 uint16_t first_loop_id;
2838 struct qla_hw_data *ha = vha->hw;
2839 struct scsi_qla_host *vp;
2840 struct scsi_qla_host *tvp;
2841
2842 rval = QLA_SUCCESS;
2843
2844 /* Save starting loop ID. */
2845 first_loop_id = dev->loop_id;
2846
2847 for (;;) {
2848 /* Skip loop ID if already used by adapter. */
2849 if (dev->loop_id == vha->loop_id)
2850 dev->loop_id++;
2851
2852 /* Skip reserved loop IDs. */
2853 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2854 dev->loop_id++;
2855
2856 /* Reset loop ID if passed the end. */
2857 if (dev->loop_id > ha->max_loop_id) {
2858 /* first loop ID. */
2859 dev->loop_id = ha->min_external_loopid;
2860 }
2861
2862 /* Check for loop ID being already in use. */
2863 found = 0;
2864 fcport = NULL;
2865 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2866 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2867 if (fcport->loop_id == dev->loop_id &&
2868 fcport != dev) {
2869 /* ID possibly in use */
2870 found++;
2871 break;
2872 }
2873 }
2874 if (found)
2875 break;
2876 }
2877
2878 /* If not in use then it is free to use. */
2879 if (!found) {
2880 break;
2881 }
2882
2883 /* ID in use. Try next value. */
2884 dev->loop_id++;
2885
2886 /* If wrap around. No free ID to use. */
2887 if (dev->loop_id == first_loop_id) {
2888 dev->loop_id = FC_NO_LOOP_ID;
2889 rval = QLA_FUNCTION_FAILED;
2890 break;
2891 }
2892 }
2893
2894 return (rval);
2895 }
2896
2897 /*
2898 * qla2x00_device_resync
2899 * Marks devices in the database that needs resynchronization.
2900 *
2901 * Input:
2902 * ha = adapter block pointer.
2903 *
2904 * Context:
2905 * Kernel context.
2906 */
2907 static int
2908 qla2x00_device_resync(scsi_qla_host_t *vha)
2909 {
2910 int rval;
2911 uint32_t mask;
2912 fc_port_t *fcport;
2913 uint32_t rscn_entry;
2914 uint8_t rscn_out_iter;
2915 uint8_t format;
2916 port_id_t d_id;
2917
2918 rval = QLA_RSCNS_HANDLED;
2919
2920 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2921 vha->flags.rscn_queue_overflow) {
2922
2923 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2924 format = MSB(MSW(rscn_entry));
2925 d_id.b.domain = LSB(MSW(rscn_entry));
2926 d_id.b.area = MSB(LSW(rscn_entry));
2927 d_id.b.al_pa = LSB(LSW(rscn_entry));
2928
2929 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2930 "[%02x/%02x%02x%02x].\n",
2931 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2932 d_id.b.area, d_id.b.al_pa));
2933
2934 vha->rscn_out_ptr++;
2935 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2936 vha->rscn_out_ptr = 0;
2937
2938 /* Skip duplicate entries. */
2939 for (rscn_out_iter = vha->rscn_out_ptr;
2940 !vha->flags.rscn_queue_overflow &&
2941 rscn_out_iter != vha->rscn_in_ptr;
2942 rscn_out_iter = (rscn_out_iter ==
2943 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2944
2945 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2946 break;
2947
2948 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2949 "entry found at [%d].\n", vha->host_no,
2950 rscn_out_iter));
2951
2952 vha->rscn_out_ptr = rscn_out_iter;
2953 }
2954
2955 /* Queue overflow, set switch default case. */
2956 if (vha->flags.rscn_queue_overflow) {
2957 DEBUG(printk("scsi(%ld): device_resync: rscn "
2958 "overflow.\n", vha->host_no));
2959
2960 format = 3;
2961 vha->flags.rscn_queue_overflow = 0;
2962 }
2963
2964 switch (format) {
2965 case 0:
2966 mask = 0xffffff;
2967 break;
2968 case 1:
2969 mask = 0xffff00;
2970 break;
2971 case 2:
2972 mask = 0xff0000;
2973 break;
2974 default:
2975 mask = 0x0;
2976 d_id.b24 = 0;
2977 vha->rscn_out_ptr = vha->rscn_in_ptr;
2978 break;
2979 }
2980
2981 rval = QLA_SUCCESS;
2982
2983 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2984 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2985 (fcport->d_id.b24 & mask) != d_id.b24 ||
2986 fcport->port_type == FCT_BROADCAST)
2987 continue;
2988
2989 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2990 if (format != 3 ||
2991 fcport->port_type != FCT_INITIATOR) {
2992 qla2x00_mark_device_lost(vha, fcport,
2993 0, 0);
2994 }
2995 }
2996 fcport->flags &= ~FCF_FARP_DONE;
2997 }
2998 }
2999 return (rval);
3000 }
3001
3002 /*
3003 * qla2x00_fabric_dev_login
3004 * Login fabric target device and update FC port database.
3005 *
3006 * Input:
3007 * ha: adapter state pointer.
3008 * fcport: port structure list pointer.
3009 * next_loopid: contains value of a new loop ID that can be used
3010 * by the next login attempt.
3011 *
3012 * Returns:
3013 * qla2x00 local function return status code.
3014 *
3015 * Context:
3016 * Kernel context.
3017 */
3018 static int
3019 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3020 uint16_t *next_loopid)
3021 {
3022 int rval;
3023 int retry;
3024 uint8_t opts;
3025 struct qla_hw_data *ha = vha->hw;
3026
3027 rval = QLA_SUCCESS;
3028 retry = 0;
3029
3030 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3031 if (rval == QLA_SUCCESS) {
3032 /* Send an ADISC to tape devices.*/
3033 opts = 0;
3034 if (fcport->flags & FCF_TAPE_PRESENT)
3035 opts |= BIT_1;
3036 rval = qla2x00_get_port_database(vha, fcport, opts);
3037 if (rval != QLA_SUCCESS) {
3038 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3039 fcport->d_id.b.domain, fcport->d_id.b.area,
3040 fcport->d_id.b.al_pa);
3041 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3042 } else {
3043 qla2x00_update_fcport(vha, fcport);
3044 }
3045 }
3046
3047 return (rval);
3048 }
3049
3050 /*
3051 * qla2x00_fabric_login
3052 * Issue fabric login command.
3053 *
3054 * Input:
3055 * ha = adapter block pointer.
3056 * device = pointer to FC device type structure.
3057 *
3058 * Returns:
3059 * 0 - Login successfully
3060 * 1 - Login failed
3061 * 2 - Initiator device
3062 * 3 - Fatal error
3063 */
3064 int
3065 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3066 uint16_t *next_loopid)
3067 {
3068 int rval;
3069 int retry;
3070 uint16_t tmp_loopid;
3071 uint16_t mb[MAILBOX_REGISTER_COUNT];
3072 struct qla_hw_data *ha = vha->hw;
3073
3074 retry = 0;
3075 tmp_loopid = 0;
3076
3077 for (;;) {
3078 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3079 "for port %02x%02x%02x.\n",
3080 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3081 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3082
3083 /* Login fcport on switch. */
3084 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3085 fcport->d_id.b.domain, fcport->d_id.b.area,
3086 fcport->d_id.b.al_pa, mb, BIT_0);
3087 if (mb[0] == MBS_PORT_ID_USED) {
3088 /*
3089 * Device has another loop ID. The firmware team
3090 * recommends the driver perform an implicit login with
3091 * the specified ID again. The ID we just used is save
3092 * here so we return with an ID that can be tried by
3093 * the next login.
3094 */
3095 retry++;
3096 tmp_loopid = fcport->loop_id;
3097 fcport->loop_id = mb[1];
3098
3099 DEBUG(printk("Fabric Login: port in use - next "
3100 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3101 fcport->loop_id, fcport->d_id.b.domain,
3102 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3103
3104 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3105 /*
3106 * Login succeeded.
3107 */
3108 if (retry) {
3109 /* A retry occurred before. */
3110 *next_loopid = tmp_loopid;
3111 } else {
3112 /*
3113 * No retry occurred before. Just increment the
3114 * ID value for next login.
3115 */
3116 *next_loopid = (fcport->loop_id + 1);
3117 }
3118
3119 if (mb[1] & BIT_0) {
3120 fcport->port_type = FCT_INITIATOR;
3121 } else {
3122 fcport->port_type = FCT_TARGET;
3123 if (mb[1] & BIT_1) {
3124 fcport->flags |= FCF_TAPE_PRESENT;
3125 }
3126 }
3127
3128 if (mb[10] & BIT_0)
3129 fcport->supported_classes |= FC_COS_CLASS2;
3130 if (mb[10] & BIT_1)
3131 fcport->supported_classes |= FC_COS_CLASS3;
3132
3133 rval = QLA_SUCCESS;
3134 break;
3135 } else if (mb[0] == MBS_LOOP_ID_USED) {
3136 /*
3137 * Loop ID already used, try next loop ID.
3138 */
3139 fcport->loop_id++;
3140 rval = qla2x00_find_new_loop_id(vha, fcport);
3141 if (rval != QLA_SUCCESS) {
3142 /* Ran out of loop IDs to use */
3143 break;
3144 }
3145 } else if (mb[0] == MBS_COMMAND_ERROR) {
3146 /*
3147 * Firmware possibly timed out during login. If NO
3148 * retries are left to do then the device is declared
3149 * dead.
3150 */
3151 *next_loopid = fcport->loop_id;
3152 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3153 fcport->d_id.b.domain, fcport->d_id.b.area,
3154 fcport->d_id.b.al_pa);
3155 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3156
3157 rval = 1;
3158 break;
3159 } else {
3160 /*
3161 * unrecoverable / not handled error
3162 */
3163 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3164 "loop_id=%x jiffies=%lx.\n",
3165 __func__, vha->host_no, mb[0],
3166 fcport->d_id.b.domain, fcport->d_id.b.area,
3167 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3168
3169 *next_loopid = fcport->loop_id;
3170 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3171 fcport->d_id.b.domain, fcport->d_id.b.area,
3172 fcport->d_id.b.al_pa);
3173 fcport->loop_id = FC_NO_LOOP_ID;
3174 fcport->login_retry = 0;
3175
3176 rval = 3;
3177 break;
3178 }
3179 }
3180
3181 return (rval);
3182 }
3183
3184 /*
3185 * qla2x00_local_device_login
3186 * Issue local device login command.
3187 *
3188 * Input:
3189 * ha = adapter block pointer.
3190 * loop_id = loop id of device to login to.
3191 *
3192 * Returns (Where's the #define!!!!):
3193 * 0 - Login successfully
3194 * 1 - Login failed
3195 * 3 - Fatal error
3196 */
3197 int
3198 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3199 {
3200 int rval;
3201 uint16_t mb[MAILBOX_REGISTER_COUNT];
3202
3203 memset(mb, 0, sizeof(mb));
3204 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3205 if (rval == QLA_SUCCESS) {
3206 /* Interrogate mailbox registers for any errors */
3207 if (mb[0] == MBS_COMMAND_ERROR)
3208 rval = 1;
3209 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3210 /* device not in PCB table */
3211 rval = 3;
3212 }
3213
3214 return (rval);
3215 }
3216
3217 /*
3218 * qla2x00_loop_resync
3219 * Resync with fibre channel devices.
3220 *
3221 * Input:
3222 * ha = adapter block pointer.
3223 *
3224 * Returns:
3225 * 0 = success
3226 */
3227 int
3228 qla2x00_loop_resync(scsi_qla_host_t *vha)
3229 {
3230 int rval = QLA_SUCCESS;
3231 uint32_t wait_time;
3232 struct qla_hw_data *ha = vha->hw;
3233 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3234 struct rsp_que *rsp = req->rsp;
3235
3236 atomic_set(&vha->loop_state, LOOP_UPDATE);
3237 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3238 if (vha->flags.online) {
3239 if (!(rval = qla2x00_fw_ready(vha))) {
3240 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3241 wait_time = 256;
3242 do {
3243 atomic_set(&vha->loop_state, LOOP_UPDATE);
3244
3245 /* Issue a marker after FW becomes ready. */
3246 qla2x00_marker(vha, req, rsp, 0, 0,
3247 MK_SYNC_ALL);
3248 vha->marker_needed = 0;
3249
3250 /* Remap devices on Loop. */
3251 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3252
3253 qla2x00_configure_loop(vha);
3254 wait_time--;
3255 } while (!atomic_read(&vha->loop_down_timer) &&
3256 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3257 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3258 &vha->dpc_flags)));
3259 }
3260 }
3261
3262 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3263 return (QLA_FUNCTION_FAILED);
3264
3265 if (rval)
3266 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3267
3268 return (rval);
3269 }
3270
3271 void
3272 qla2x00_update_fcports(scsi_qla_host_t *vha)
3273 {
3274 fc_port_t *fcport;
3275
3276 /* Go with deferred removal of rport references. */
3277 list_for_each_entry(fcport, &vha->vp_fcports, list)
3278 if (fcport && fcport->drport &&
3279 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3280 qla2x00_rport_del(fcport);
3281 }
3282
3283 /*
3284 * qla2x00_abort_isp
3285 * Resets ISP and aborts all outstanding commands.
3286 *
3287 * Input:
3288 * ha = adapter block pointer.
3289 *
3290 * Returns:
3291 * 0 = success
3292 */
3293 int
3294 qla2x00_abort_isp(scsi_qla_host_t *vha)
3295 {
3296 int rval;
3297 uint8_t status = 0;
3298 struct qla_hw_data *ha = vha->hw;
3299 struct scsi_qla_host *vp;
3300 struct scsi_qla_host *tvp;
3301 struct req_que *req = ha->req_q_map[0];
3302
3303 if (vha->flags.online) {
3304 vha->flags.online = 0;
3305 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3306 ha->qla_stats.total_isp_aborts++;
3307
3308 qla_printk(KERN_INFO, ha,
3309 "Performing ISP error recovery - ha= %p.\n", ha);
3310 ha->isp_ops->reset_chip(vha);
3311
3312 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3313 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3314 atomic_set(&vha->loop_state, LOOP_DOWN);
3315 qla2x00_mark_all_devices_lost(vha, 0);
3316 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3317 qla2x00_mark_all_devices_lost(vp, 0);
3318 } else {
3319 if (!atomic_read(&vha->loop_down_timer))
3320 atomic_set(&vha->loop_down_timer,
3321 LOOP_DOWN_TIME);
3322 }
3323
3324 /* Requeue all commands in outstanding command list. */
3325 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3326
3327 ha->isp_ops->get_flash_version(vha, req->ring);
3328
3329 ha->isp_ops->nvram_config(vha);
3330
3331 if (!qla2x00_restart_isp(vha)) {
3332 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3333
3334 if (!atomic_read(&vha->loop_down_timer)) {
3335 /*
3336 * Issue marker command only when we are going
3337 * to start the I/O .
3338 */
3339 vha->marker_needed = 1;
3340 }
3341
3342 vha->flags.online = 1;
3343
3344 ha->isp_ops->enable_intrs(ha);
3345
3346 ha->isp_abort_cnt = 0;
3347 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3348
3349 if (ha->fce) {
3350 ha->flags.fce_enabled = 1;
3351 memset(ha->fce, 0,
3352 fce_calc_size(ha->fce_bufs));
3353 rval = qla2x00_enable_fce_trace(vha,
3354 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3355 &ha->fce_bufs);
3356 if (rval) {
3357 qla_printk(KERN_WARNING, ha,
3358 "Unable to reinitialize FCE "
3359 "(%d).\n", rval);
3360 ha->flags.fce_enabled = 0;
3361 }
3362 }
3363
3364 if (ha->eft) {
3365 memset(ha->eft, 0, EFT_SIZE);
3366 rval = qla2x00_enable_eft_trace(vha,
3367 ha->eft_dma, EFT_NUM_BUFFERS);
3368 if (rval) {
3369 qla_printk(KERN_WARNING, ha,
3370 "Unable to reinitialize EFT "
3371 "(%d).\n", rval);
3372 }
3373 }
3374 } else { /* failed the ISP abort */
3375 vha->flags.online = 1;
3376 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3377 if (ha->isp_abort_cnt == 0) {
3378 qla_printk(KERN_WARNING, ha,
3379 "ISP error recovery failed - "
3380 "board disabled\n");
3381 /*
3382 * The next call disables the board
3383 * completely.
3384 */
3385 ha->isp_ops->reset_adapter(vha);
3386 vha->flags.online = 0;
3387 clear_bit(ISP_ABORT_RETRY,
3388 &vha->dpc_flags);
3389 status = 0;
3390 } else { /* schedule another ISP abort */
3391 ha->isp_abort_cnt--;
3392 DEBUG(printk("qla%ld: ISP abort - "
3393 "retry remaining %d\n",
3394 vha->host_no, ha->isp_abort_cnt));
3395 status = 1;
3396 }
3397 } else {
3398 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3399 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3400 "- retrying (%d) more times\n",
3401 vha->host_no, ha->isp_abort_cnt));
3402 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3403 status = 1;
3404 }
3405 }
3406
3407 }
3408
3409 if (!status) {
3410 DEBUG(printk(KERN_INFO
3411 "qla2x00_abort_isp(%ld): succeeded.\n",
3412 vha->host_no));
3413 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3414 if (vp->vp_idx)
3415 qla2x00_vp_abort_isp(vp);
3416 }
3417 } else {
3418 qla_printk(KERN_INFO, ha,
3419 "qla2x00_abort_isp: **** FAILED ****\n");
3420 }
3421
3422 return(status);
3423 }
3424
3425 /*
3426 * qla2x00_restart_isp
3427 * restarts the ISP after a reset
3428 *
3429 * Input:
3430 * ha = adapter block pointer.
3431 *
3432 * Returns:
3433 * 0 = success
3434 */
3435 static int
3436 qla2x00_restart_isp(scsi_qla_host_t *vha)
3437 {
3438 int status = 0;
3439 uint32_t wait_time;
3440 struct qla_hw_data *ha = vha->hw;
3441 struct req_que *req = ha->req_q_map[0];
3442 struct rsp_que *rsp = ha->rsp_q_map[0];
3443
3444 /* If firmware needs to be loaded */
3445 if (qla2x00_isp_firmware(vha)) {
3446 vha->flags.online = 0;
3447 status = ha->isp_ops->chip_diag(vha);
3448 if (!status)
3449 status = qla2x00_setup_chip(vha);
3450 }
3451
3452 if (!status && !(status = qla2x00_init_rings(vha))) {
3453 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3454 /* Initialize the queues in use */
3455 qla25xx_init_queues(ha);
3456
3457 status = qla2x00_fw_ready(vha);
3458 if (!status) {
3459 DEBUG(printk("%s(): Start configure loop, "
3460 "status = %d\n", __func__, status));
3461
3462 /* Issue a marker after FW becomes ready. */
3463 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3464
3465 vha->flags.online = 1;
3466 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3467 wait_time = 256;
3468 do {
3469 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3470 qla2x00_configure_loop(vha);
3471 wait_time--;
3472 } while (!atomic_read(&vha->loop_down_timer) &&
3473 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3474 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3475 &vha->dpc_flags)));
3476 }
3477
3478 /* if no cable then assume it's good */
3479 if ((vha->device_flags & DFLG_NO_CABLE))
3480 status = 0;
3481
3482 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3483 __func__,
3484 status));
3485 }
3486 return (status);
3487 }
3488
3489 static int
3490 qla25xx_init_queues(struct qla_hw_data *ha)
3491 {
3492 struct rsp_que *rsp = NULL;
3493 struct req_que *req = NULL;
3494 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3495 int ret = -1;
3496 int i;
3497
3498 for (i = 1; i < ha->max_queues; i++) {
3499 rsp = ha->rsp_q_map[i];
3500 if (rsp) {
3501 rsp->options &= ~BIT_0;
3502 ret = qla25xx_init_rsp_que(base_vha, rsp);
3503 if (ret != QLA_SUCCESS)
3504 DEBUG2_17(printk(KERN_WARNING
3505 "%s Rsp que:%d init failed\n", __func__,
3506 rsp->id));
3507 else
3508 DEBUG2_17(printk(KERN_INFO
3509 "%s Rsp que:%d inited\n", __func__,
3510 rsp->id));
3511 }
3512 req = ha->req_q_map[i];
3513 if (req) {
3514 /* Clear outstanding commands array. */
3515 req->options &= ~BIT_0;
3516 ret = qla25xx_init_req_que(base_vha, req);
3517 if (ret != QLA_SUCCESS)
3518 DEBUG2_17(printk(KERN_WARNING
3519 "%s Req que:%d init failed\n", __func__,
3520 req->id));
3521 else
3522 DEBUG2_17(printk(KERN_WARNING
3523 "%s Req que:%d inited\n", __func__,
3524 req->id));
3525 }
3526 }
3527 return ret;
3528 }
3529
3530 /*
3531 * qla2x00_reset_adapter
3532 * Reset adapter.
3533 *
3534 * Input:
3535 * ha = adapter block pointer.
3536 */
3537 void
3538 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3539 {
3540 unsigned long flags = 0;
3541 struct qla_hw_data *ha = vha->hw;
3542 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3543
3544 vha->flags.online = 0;
3545 ha->isp_ops->disable_intrs(ha);
3546
3547 spin_lock_irqsave(&ha->hardware_lock, flags);
3548 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3549 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3550 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3551 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3553 }
3554
3555 void
3556 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3557 {
3558 unsigned long flags = 0;
3559 struct qla_hw_data *ha = vha->hw;
3560 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3561
3562 vha->flags.online = 0;
3563 ha->isp_ops->disable_intrs(ha);
3564
3565 spin_lock_irqsave(&ha->hardware_lock, flags);
3566 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3567 RD_REG_DWORD(&reg->hccr);
3568 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3569 RD_REG_DWORD(&reg->hccr);
3570 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3571
3572 if (IS_NOPOLLING_TYPE(ha))
3573 ha->isp_ops->enable_intrs(ha);
3574 }
3575
3576 /* On sparc systems, obtain port and node WWN from firmware
3577 * properties.
3578 */
3579 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3580 struct nvram_24xx *nv)
3581 {
3582 #ifdef CONFIG_SPARC
3583 struct qla_hw_data *ha = vha->hw;
3584 struct pci_dev *pdev = ha->pdev;
3585 struct device_node *dp = pci_device_to_OF_node(pdev);
3586 const u8 *val;
3587 int len;
3588
3589 val = of_get_property(dp, "port-wwn", &len);
3590 if (val && len >= WWN_SIZE)
3591 memcpy(nv->port_name, val, WWN_SIZE);
3592
3593 val = of_get_property(dp, "node-wwn", &len);
3594 if (val && len >= WWN_SIZE)
3595 memcpy(nv->node_name, val, WWN_SIZE);
3596 #endif
3597 }
3598
3599 int
3600 qla24xx_nvram_config(scsi_qla_host_t *vha)
3601 {
3602 int rval;
3603 struct init_cb_24xx *icb;
3604 struct nvram_24xx *nv;
3605 uint32_t *dptr;
3606 uint8_t *dptr1, *dptr2;
3607 uint32_t chksum;
3608 uint16_t cnt;
3609 struct qla_hw_data *ha = vha->hw;
3610
3611 rval = QLA_SUCCESS;
3612 icb = (struct init_cb_24xx *)ha->init_cb;
3613 nv = ha->nvram;
3614
3615 /* Determine NVRAM starting address. */
3616 ha->nvram_size = sizeof(struct nvram_24xx);
3617 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3618 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3619 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3620 if (PCI_FUNC(ha->pdev->devfn)) {
3621 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3622 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3623 }
3624
3625 /* Get VPD data into cache */
3626 ha->vpd = ha->nvram + VPD_OFFSET;
3627 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3628 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3629
3630 /* Get NVRAM data into cache and calculate checksum. */
3631 dptr = (uint32_t *)nv;
3632 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3633 ha->nvram_size);
3634 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3635 chksum += le32_to_cpu(*dptr++);
3636
3637 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3638 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3639
3640 /* Bad NVRAM data, set defaults parameters. */
3641 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3642 || nv->id[3] != ' ' ||
3643 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3644 /* Reset NVRAM data. */
3645 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3646 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3647 le16_to_cpu(nv->nvram_version));
3648 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3649 "invalid -- WWPN) defaults.\n");
3650
3651 /*
3652 * Set default initialization control block.
3653 */
3654 memset(nv, 0, ha->nvram_size);
3655 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3656 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3657 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3658 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3659 nv->exchange_count = __constant_cpu_to_le16(0);
3660 nv->hard_address = __constant_cpu_to_le16(124);
3661 nv->port_name[0] = 0x21;
3662 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3663 nv->port_name[2] = 0x00;
3664 nv->port_name[3] = 0xe0;
3665 nv->port_name[4] = 0x8b;
3666 nv->port_name[5] = 0x1c;
3667 nv->port_name[6] = 0x55;
3668 nv->port_name[7] = 0x86;
3669 nv->node_name[0] = 0x20;
3670 nv->node_name[1] = 0x00;
3671 nv->node_name[2] = 0x00;
3672 nv->node_name[3] = 0xe0;
3673 nv->node_name[4] = 0x8b;
3674 nv->node_name[5] = 0x1c;
3675 nv->node_name[6] = 0x55;
3676 nv->node_name[7] = 0x86;
3677 qla24xx_nvram_wwn_from_ofw(vha, nv);
3678 nv->login_retry_count = __constant_cpu_to_le16(8);
3679 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3680 nv->login_timeout = __constant_cpu_to_le16(0);
3681 nv->firmware_options_1 =
3682 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3683 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3684 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3685 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3686 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3687 nv->efi_parameters = __constant_cpu_to_le32(0);
3688 nv->reset_delay = 5;
3689 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3690 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3691 nv->link_down_timeout = __constant_cpu_to_le16(30);
3692
3693 rval = 1;
3694 }
3695
3696 /* Reset Initialization control block */
3697 memset(icb, 0, ha->init_cb_size);
3698
3699 /* Copy 1st segment. */
3700 dptr1 = (uint8_t *)icb;
3701 dptr2 = (uint8_t *)&nv->version;
3702 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3703 while (cnt--)
3704 *dptr1++ = *dptr2++;
3705
3706 icb->login_retry_count = nv->login_retry_count;
3707 icb->link_down_on_nos = nv->link_down_on_nos;
3708
3709 /* Copy 2nd segment. */
3710 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3711 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3712 cnt = (uint8_t *)&icb->reserved_3 -
3713 (uint8_t *)&icb->interrupt_delay_timer;
3714 while (cnt--)
3715 *dptr1++ = *dptr2++;
3716
3717 /*
3718 * Setup driver NVRAM options.
3719 */
3720 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3721 "QLA2462");
3722
3723 /* Use alternate WWN? */
3724 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3725 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3726 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3727 }
3728
3729 /* Prepare nodename */
3730 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3731 /*
3732 * Firmware will apply the following mask if the nodename was
3733 * not provided.
3734 */
3735 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3736 icb->node_name[0] &= 0xF0;
3737 }
3738
3739 /* Set host adapter parameters. */
3740 ha->flags.disable_risc_code_load = 0;
3741 ha->flags.enable_lip_reset = 0;
3742 ha->flags.enable_lip_full_login =
3743 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3744 ha->flags.enable_target_reset =
3745 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3746 ha->flags.enable_led_scheme = 0;
3747 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3748
3749 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3750 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3751
3752 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3753 sizeof(ha->fw_seriallink_options24));
3754
3755 /* save HBA serial number */
3756 ha->serial0 = icb->port_name[5];
3757 ha->serial1 = icb->port_name[6];
3758 ha->serial2 = icb->port_name[7];
3759 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3760 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3761
3762 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3763
3764 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3765
3766 /* Set minimum login_timeout to 4 seconds. */
3767 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3768 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3769 if (le16_to_cpu(nv->login_timeout) < 4)
3770 nv->login_timeout = __constant_cpu_to_le16(4);
3771 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3772 icb->login_timeout = nv->login_timeout;
3773
3774 /* Set minimum RATOV to 100 tenths of a second. */
3775 ha->r_a_tov = 100;
3776
3777 ha->loop_reset_delay = nv->reset_delay;
3778
3779 /* Link Down Timeout = 0:
3780 *
3781 * When Port Down timer expires we will start returning
3782 * I/O's to OS with "DID_NO_CONNECT".
3783 *
3784 * Link Down Timeout != 0:
3785 *
3786 * The driver waits for the link to come up after link down
3787 * before returning I/Os to OS with "DID_NO_CONNECT".
3788 */
3789 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3790 ha->loop_down_abort_time =
3791 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3792 } else {
3793 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3794 ha->loop_down_abort_time =
3795 (LOOP_DOWN_TIME - ha->link_down_timeout);
3796 }
3797
3798 /* Need enough time to try and get the port back. */
3799 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3800 if (qlport_down_retry)
3801 ha->port_down_retry_count = qlport_down_retry;
3802
3803 /* Set login_retry_count */
3804 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3805 if (ha->port_down_retry_count ==
3806 le16_to_cpu(nv->port_down_retry_count) &&
3807 ha->port_down_retry_count > 3)
3808 ha->login_retry_count = ha->port_down_retry_count;
3809 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3810 ha->login_retry_count = ha->port_down_retry_count;
3811 if (ql2xloginretrycount)
3812 ha->login_retry_count = ql2xloginretrycount;
3813
3814 /* Enable ZIO. */
3815 if (!vha->flags.init_done) {
3816 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3817 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3818 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3819 le16_to_cpu(icb->interrupt_delay_timer): 2;
3820 }
3821 icb->firmware_options_2 &= __constant_cpu_to_le32(
3822 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3823 vha->flags.process_response_queue = 0;
3824 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3825 ha->zio_mode = QLA_ZIO_MODE_6;
3826
3827 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3828 "(%d us).\n", vha->host_no, ha->zio_mode,
3829 ha->zio_timer * 100));
3830 qla_printk(KERN_INFO, ha,
3831 "ZIO mode %d enabled; timer delay (%d us).\n",
3832 ha->zio_mode, ha->zio_timer * 100);
3833
3834 icb->firmware_options_2 |= cpu_to_le32(
3835 (uint32_t)ha->zio_mode);
3836 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3837 vha->flags.process_response_queue = 1;
3838 }
3839
3840 if (rval) {
3841 DEBUG2_3(printk(KERN_WARNING
3842 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3843 }
3844 return (rval);
3845 }
3846
3847 static int
3848 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3849 {
3850 int rval = QLA_SUCCESS;
3851 int segments, fragment;
3852 uint32_t faddr;
3853 uint32_t *dcode, dlen;
3854 uint32_t risc_addr;
3855 uint32_t risc_size;
3856 uint32_t i;
3857 struct qla_hw_data *ha = vha->hw;
3858 struct req_que *req = ha->req_q_map[0];
3859
3860 qla_printk(KERN_INFO, ha,
3861 "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3862
3863 rval = QLA_SUCCESS;
3864
3865 segments = FA_RISC_CODE_SEGMENTS;
3866 faddr = ha->flt_region_fw;
3867 dcode = (uint32_t *)req->ring;
3868 *srisc_addr = 0;
3869
3870 /* Validate firmware image by checking version. */
3871 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3872 for (i = 0; i < 4; i++)
3873 dcode[i] = be32_to_cpu(dcode[i]);
3874 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3875 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3876 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3877 dcode[3] == 0)) {
3878 qla_printk(KERN_WARNING, ha,
3879 "Unable to verify integrity of flash firmware image!\n");
3880 qla_printk(KERN_WARNING, ha,
3881 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3882 dcode[1], dcode[2], dcode[3]);
3883
3884 return QLA_FUNCTION_FAILED;
3885 }
3886
3887 while (segments && rval == QLA_SUCCESS) {
3888 /* Read segment's load information. */
3889 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3890
3891 risc_addr = be32_to_cpu(dcode[2]);
3892 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3893 risc_size = be32_to_cpu(dcode[3]);
3894
3895 fragment = 0;
3896 while (risc_size > 0 && rval == QLA_SUCCESS) {
3897 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3898 if (dlen > risc_size)
3899 dlen = risc_size;
3900
3901 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3902 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3903 vha->host_no, risc_addr, dlen, faddr));
3904
3905 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3906 for (i = 0; i < dlen; i++)
3907 dcode[i] = swab32(dcode[i]);
3908
3909 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3910 dlen);
3911 if (rval) {
3912 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3913 "segment %d of firmware\n", vha->host_no,
3914 fragment));
3915 qla_printk(KERN_WARNING, ha,
3916 "[ERROR] Failed to load segment %d of "
3917 "firmware\n", fragment);
3918 break;
3919 }
3920
3921 faddr += dlen;
3922 risc_addr += dlen;
3923 risc_size -= dlen;
3924 fragment++;
3925 }
3926
3927 /* Next segment. */
3928 segments--;
3929 }
3930
3931 return rval;
3932 }
3933
3934 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3935
3936 int
3937 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3938 {
3939 int rval;
3940 int i, fragment;
3941 uint16_t *wcode, *fwcode;
3942 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3943 struct fw_blob *blob;
3944 struct qla_hw_data *ha = vha->hw;
3945 struct req_que *req = ha->req_q_map[0];
3946
3947 /* Load firmware blob. */
3948 blob = qla2x00_request_firmware(vha);
3949 if (!blob) {
3950 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3951 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3952 "from: " QLA_FW_URL ".\n");
3953 return QLA_FUNCTION_FAILED;
3954 }
3955
3956 rval = QLA_SUCCESS;
3957
3958 wcode = (uint16_t *)req->ring;
3959 *srisc_addr = 0;
3960 fwcode = (uint16_t *)blob->fw->data;
3961 fwclen = 0;
3962
3963 /* Validate firmware image by checking version. */
3964 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3965 qla_printk(KERN_WARNING, ha,
3966 "Unable to verify integrity of firmware image (%Zd)!\n",
3967 blob->fw->size);
3968 goto fail_fw_integrity;
3969 }
3970 for (i = 0; i < 4; i++)
3971 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3972 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3973 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3974 wcode[2] == 0 && wcode[3] == 0)) {
3975 qla_printk(KERN_WARNING, ha,
3976 "Unable to verify integrity of firmware image!\n");
3977 qla_printk(KERN_WARNING, ha,
3978 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3979 wcode[1], wcode[2], wcode[3]);
3980 goto fail_fw_integrity;
3981 }
3982
3983 seg = blob->segs;
3984 while (*seg && rval == QLA_SUCCESS) {
3985 risc_addr = *seg;
3986 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3987 risc_size = be16_to_cpu(fwcode[3]);
3988
3989 /* Validate firmware image size. */
3990 fwclen += risc_size * sizeof(uint16_t);
3991 if (blob->fw->size < fwclen) {
3992 qla_printk(KERN_WARNING, ha,
3993 "Unable to verify integrity of firmware image "
3994 "(%Zd)!\n", blob->fw->size);
3995 goto fail_fw_integrity;
3996 }
3997
3998 fragment = 0;
3999 while (risc_size > 0 && rval == QLA_SUCCESS) {
4000 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4001 if (wlen > risc_size)
4002 wlen = risc_size;
4003
4004 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4005 "addr %x, number of words 0x%x.\n", vha->host_no,
4006 risc_addr, wlen));
4007
4008 for (i = 0; i < wlen; i++)
4009 wcode[i] = swab16(fwcode[i]);
4010
4011 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4012 wlen);
4013 if (rval) {
4014 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4015 "segment %d of firmware\n", vha->host_no,
4016 fragment));
4017 qla_printk(KERN_WARNING, ha,
4018 "[ERROR] Failed to load segment %d of "
4019 "firmware\n", fragment);
4020 break;
4021 }
4022
4023 fwcode += wlen;
4024 risc_addr += wlen;
4025 risc_size -= wlen;
4026 fragment++;
4027 }
4028
4029 /* Next segment. */
4030 seg++;
4031 }
4032 return rval;
4033
4034 fail_fw_integrity:
4035 return QLA_FUNCTION_FAILED;
4036 }
4037
4038 static int
4039 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4040 {
4041 int rval;
4042 int segments, fragment;
4043 uint32_t *dcode, dlen;
4044 uint32_t risc_addr;
4045 uint32_t risc_size;
4046 uint32_t i;
4047 struct fw_blob *blob;
4048 uint32_t *fwcode, fwclen;
4049 struct qla_hw_data *ha = vha->hw;
4050 struct req_que *req = ha->req_q_map[0];
4051
4052 /* Load firmware blob. */
4053 blob = qla2x00_request_firmware(vha);
4054 if (!blob) {
4055 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4056 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4057 "from: " QLA_FW_URL ".\n");
4058
4059 return QLA_FUNCTION_FAILED;
4060 }
4061
4062 qla_printk(KERN_INFO, ha,
4063 "FW: Loading via request-firmware...\n");
4064
4065 rval = QLA_SUCCESS;
4066
4067 segments = FA_RISC_CODE_SEGMENTS;
4068 dcode = (uint32_t *)req->ring;
4069 *srisc_addr = 0;
4070 fwcode = (uint32_t *)blob->fw->data;
4071 fwclen = 0;
4072
4073 /* Validate firmware image by checking version. */
4074 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4075 qla_printk(KERN_WARNING, ha,
4076 "Unable to verify integrity of firmware image (%Zd)!\n",
4077 blob->fw->size);
4078 goto fail_fw_integrity;
4079 }
4080 for (i = 0; i < 4; i++)
4081 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4082 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4083 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4084 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4085 dcode[3] == 0)) {
4086 qla_printk(KERN_WARNING, ha,
4087 "Unable to verify integrity of firmware image!\n");
4088 qla_printk(KERN_WARNING, ha,
4089 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4090 dcode[1], dcode[2], dcode[3]);
4091 goto fail_fw_integrity;
4092 }
4093
4094 while (segments && rval == QLA_SUCCESS) {
4095 risc_addr = be32_to_cpu(fwcode[2]);
4096 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4097 risc_size = be32_to_cpu(fwcode[3]);
4098
4099 /* Validate firmware image size. */
4100 fwclen += risc_size * sizeof(uint32_t);
4101 if (blob->fw->size < fwclen) {
4102 qla_printk(KERN_WARNING, ha,
4103 "Unable to verify integrity of firmware image "
4104 "(%Zd)!\n", blob->fw->size);
4105
4106 goto fail_fw_integrity;
4107 }
4108
4109 fragment = 0;
4110 while (risc_size > 0 && rval == QLA_SUCCESS) {
4111 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4112 if (dlen > risc_size)
4113 dlen = risc_size;
4114
4115 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4116 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4117 risc_addr, dlen));
4118
4119 for (i = 0; i < dlen; i++)
4120 dcode[i] = swab32(fwcode[i]);
4121
4122 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4123 dlen);
4124 if (rval) {
4125 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4126 "segment %d of firmware\n", vha->host_no,
4127 fragment));
4128 qla_printk(KERN_WARNING, ha,
4129 "[ERROR] Failed to load segment %d of "
4130 "firmware\n", fragment);
4131 break;
4132 }
4133
4134 fwcode += dlen;
4135 risc_addr += dlen;
4136 risc_size -= dlen;
4137 fragment++;
4138 }
4139
4140 /* Next segment. */
4141 segments--;
4142 }
4143 return rval;
4144
4145 fail_fw_integrity:
4146 return QLA_FUNCTION_FAILED;
4147 }
4148
4149 int
4150 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4151 {
4152 int rval;
4153
4154 /*
4155 * FW Load priority:
4156 * 1) Firmware via request-firmware interface (.bin file).
4157 * 2) Firmware residing in flash.
4158 */
4159 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4160 if (rval == QLA_SUCCESS)
4161 return rval;
4162
4163 return qla24xx_load_risc_flash(vha, srisc_addr);
4164 }
4165
4166 int
4167 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4168 {
4169 int rval;
4170
4171 /*
4172 * FW Load priority:
4173 * 1) Firmware residing in flash.
4174 * 2) Firmware via request-firmware interface (.bin file).
4175 */
4176 rval = qla24xx_load_risc_flash(vha, srisc_addr);
4177 if (rval == QLA_SUCCESS)
4178 return rval;
4179
4180 return qla24xx_load_risc_blob(vha, srisc_addr);
4181 }
4182
4183 void
4184 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4185 {
4186 int ret, retries;
4187 struct qla_hw_data *ha = vha->hw;
4188
4189 if (!IS_FWI2_CAPABLE(ha))
4190 return;
4191 if (!ha->fw_major_version)
4192 return;
4193
4194 ret = qla2x00_stop_firmware(vha);
4195 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4196 retries ; retries--) {
4197 ha->isp_ops->reset_chip(vha);
4198 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4199 continue;
4200 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4201 continue;
4202 qla_printk(KERN_INFO, ha,
4203 "Attempting retry of stop-firmware command...\n");
4204 ret = qla2x00_stop_firmware(vha);
4205 }
4206 }
4207
4208 int
4209 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4210 {
4211 int rval = QLA_SUCCESS;
4212 uint16_t mb[MAILBOX_REGISTER_COUNT];
4213 struct qla_hw_data *ha = vha->hw;
4214 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4215 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4216 struct rsp_que *rsp = req->rsp;
4217
4218 if (!vha->vp_idx)
4219 return -EINVAL;
4220
4221 rval = qla2x00_fw_ready(base_vha);
4222 if (rval == QLA_SUCCESS) {
4223 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4224 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4225 }
4226
4227 vha->flags.management_server_logged_in = 0;
4228
4229 /* Login to SNS first */
4230 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4231 if (mb[0] != MBS_COMMAND_COMPLETE) {
4232 DEBUG15(qla_printk(KERN_INFO, ha,
4233 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4234 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4235 mb[0], mb[1], mb[2], mb[6], mb[7]));
4236 return (QLA_FUNCTION_FAILED);
4237 }
4238
4239 atomic_set(&vha->loop_down_timer, 0);
4240 atomic_set(&vha->loop_state, LOOP_UP);
4241 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4242 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4243 rval = qla2x00_loop_resync(base_vha);
4244
4245 return rval;
4246 }
4247
4248 /* 84XX Support **************************************************************/
4249
4250 static LIST_HEAD(qla_cs84xx_list);
4251 static DEFINE_MUTEX(qla_cs84xx_mutex);
4252
4253 static struct qla_chip_state_84xx *
4254 qla84xx_get_chip(struct scsi_qla_host *vha)
4255 {
4256 struct qla_chip_state_84xx *cs84xx;
4257 struct qla_hw_data *ha = vha->hw;
4258
4259 mutex_lock(&qla_cs84xx_mutex);
4260
4261 /* Find any shared 84xx chip. */
4262 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4263 if (cs84xx->bus == ha->pdev->bus) {
4264 kref_get(&cs84xx->kref);
4265 goto done;
4266 }
4267 }
4268
4269 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4270 if (!cs84xx)
4271 goto done;
4272
4273 kref_init(&cs84xx->kref);
4274 spin_lock_init(&cs84xx->access_lock);
4275 mutex_init(&cs84xx->fw_update_mutex);
4276 cs84xx->bus = ha->pdev->bus;
4277
4278 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4279 done:
4280 mutex_unlock(&qla_cs84xx_mutex);
4281 return cs84xx;
4282 }
4283
4284 static void
4285 __qla84xx_chip_release(struct kref *kref)
4286 {
4287 struct qla_chip_state_84xx *cs84xx =
4288 container_of(kref, struct qla_chip_state_84xx, kref);
4289
4290 mutex_lock(&qla_cs84xx_mutex);
4291 list_del(&cs84xx->list);
4292 mutex_unlock(&qla_cs84xx_mutex);
4293 kfree(cs84xx);
4294 }
4295
4296 void
4297 qla84xx_put_chip(struct scsi_qla_host *vha)
4298 {
4299 struct qla_hw_data *ha = vha->hw;
4300 if (ha->cs84xx)
4301 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4302 }
4303
4304 static int
4305 qla84xx_init_chip(scsi_qla_host_t *vha)
4306 {
4307 int rval;
4308 uint16_t status[2];
4309 struct qla_hw_data *ha = vha->hw;
4310
4311 mutex_lock(&ha->cs84xx->fw_update_mutex);
4312
4313 rval = qla84xx_verify_chip(vha, status);
4314
4315 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4316
4317 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4318 QLA_SUCCESS;
4319 }
4320
4321 /* 81XX Support **************************************************************/
4322
4323 int
4324 qla81xx_nvram_config(scsi_qla_host_t *vha)
4325 {
4326 int rval;
4327 struct init_cb_81xx *icb;
4328 struct nvram_81xx *nv;
4329 uint32_t *dptr;
4330 uint8_t *dptr1, *dptr2;
4331 uint32_t chksum;
4332 uint16_t cnt;
4333 struct qla_hw_data *ha = vha->hw;
4334
4335 rval = QLA_SUCCESS;
4336 icb = (struct init_cb_81xx *)ha->init_cb;
4337 nv = ha->nvram;
4338
4339 /* Determine NVRAM starting address. */
4340 ha->nvram_size = sizeof(struct nvram_81xx);
4341 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4342 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4343 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4344 if (PCI_FUNC(ha->pdev->devfn) & 1) {
4345 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4346 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4347 }
4348
4349 /* Get VPD data into cache */
4350 ha->vpd = ha->nvram + VPD_OFFSET;
4351 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4352 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4353
4354 /* Get NVRAM data into cache and calculate checksum. */
4355 dptr = (uint32_t *)nv;
4356 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4357 ha->nvram_size);
4358 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4359 chksum += le32_to_cpu(*dptr++);
4360
4361 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4362 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4363
4364 /* Bad NVRAM data, set defaults parameters. */
4365 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4366 || nv->id[3] != ' ' ||
4367 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4368 /* Reset NVRAM data. */
4369 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4370 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4371 le16_to_cpu(nv->nvram_version));
4372 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4373 "invalid -- WWPN) defaults.\n");
4374
4375 /*
4376 * Set default initialization control block.
4377 */
4378 memset(nv, 0, ha->nvram_size);
4379 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4380 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4381 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4382 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4383 nv->exchange_count = __constant_cpu_to_le16(0);
4384 nv->port_name[0] = 0x21;
4385 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4386 nv->port_name[2] = 0x00;
4387 nv->port_name[3] = 0xe0;
4388 nv->port_name[4] = 0x8b;
4389 nv->port_name[5] = 0x1c;
4390 nv->port_name[6] = 0x55;
4391 nv->port_name[7] = 0x86;
4392 nv->node_name[0] = 0x20;
4393 nv->node_name[1] = 0x00;
4394 nv->node_name[2] = 0x00;
4395 nv->node_name[3] = 0xe0;
4396 nv->node_name[4] = 0x8b;
4397 nv->node_name[5] = 0x1c;
4398 nv->node_name[6] = 0x55;
4399 nv->node_name[7] = 0x86;
4400 nv->login_retry_count = __constant_cpu_to_le16(8);
4401 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4402 nv->login_timeout = __constant_cpu_to_le16(0);
4403 nv->firmware_options_1 =
4404 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4405 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4406 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4407 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4408 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4409 nv->efi_parameters = __constant_cpu_to_le32(0);
4410 nv->reset_delay = 5;
4411 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4412 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4413 nv->link_down_timeout = __constant_cpu_to_le16(30);
4414 nv->enode_mac[0] = 0x01;
4415 nv->enode_mac[1] = 0x02;
4416 nv->enode_mac[2] = 0x03;
4417 nv->enode_mac[3] = 0x04;
4418 nv->enode_mac[4] = 0x05;
4419 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4420
4421 rval = 1;
4422 }
4423
4424 /* Reset Initialization control block */
4425 memset(icb, 0, sizeof(struct init_cb_81xx));
4426
4427 /* Copy 1st segment. */
4428 dptr1 = (uint8_t *)icb;
4429 dptr2 = (uint8_t *)&nv->version;
4430 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4431 while (cnt--)
4432 *dptr1++ = *dptr2++;
4433
4434 icb->login_retry_count = nv->login_retry_count;
4435
4436 /* Copy 2nd segment. */
4437 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4438 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4439 cnt = (uint8_t *)&icb->reserved_5 -
4440 (uint8_t *)&icb->interrupt_delay_timer;
4441 while (cnt--)
4442 *dptr1++ = *dptr2++;
4443
4444 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4445 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4446 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4447 icb->enode_mac[0] = 0x01;
4448 icb->enode_mac[1] = 0x02;
4449 icb->enode_mac[2] = 0x03;
4450 icb->enode_mac[3] = 0x04;
4451 icb->enode_mac[4] = 0x05;
4452 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4453 }
4454
4455 /*
4456 * Setup driver NVRAM options.
4457 */
4458 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4459 "QLE81XX");
4460
4461 /* Use alternate WWN? */
4462 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4463 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4464 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4465 }
4466
4467 /* Prepare nodename */
4468 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4469 /*
4470 * Firmware will apply the following mask if the nodename was
4471 * not provided.
4472 */
4473 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4474 icb->node_name[0] &= 0xF0;
4475 }
4476
4477 /* Set host adapter parameters. */
4478 ha->flags.disable_risc_code_load = 0;
4479 ha->flags.enable_lip_reset = 0;
4480 ha->flags.enable_lip_full_login =
4481 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4482 ha->flags.enable_target_reset =
4483 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4484 ha->flags.enable_led_scheme = 0;
4485 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4486
4487 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4488 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4489
4490 /* save HBA serial number */
4491 ha->serial0 = icb->port_name[5];
4492 ha->serial1 = icb->port_name[6];
4493 ha->serial2 = icb->port_name[7];
4494 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4495 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4496
4497 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4498
4499 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4500
4501 /* Set minimum login_timeout to 4 seconds. */
4502 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4503 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4504 if (le16_to_cpu(nv->login_timeout) < 4)
4505 nv->login_timeout = __constant_cpu_to_le16(4);
4506 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4507 icb->login_timeout = nv->login_timeout;
4508
4509 /* Set minimum RATOV to 100 tenths of a second. */
4510 ha->r_a_tov = 100;
4511
4512 ha->loop_reset_delay = nv->reset_delay;
4513
4514 /* Link Down Timeout = 0:
4515 *
4516 * When Port Down timer expires we will start returning
4517 * I/O's to OS with "DID_NO_CONNECT".
4518 *
4519 * Link Down Timeout != 0:
4520 *
4521 * The driver waits for the link to come up after link down
4522 * before returning I/Os to OS with "DID_NO_CONNECT".
4523 */
4524 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4525 ha->loop_down_abort_time =
4526 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4527 } else {
4528 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4529 ha->loop_down_abort_time =
4530 (LOOP_DOWN_TIME - ha->link_down_timeout);
4531 }
4532
4533 /* Need enough time to try and get the port back. */
4534 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4535 if (qlport_down_retry)
4536 ha->port_down_retry_count = qlport_down_retry;
4537
4538 /* Set login_retry_count */
4539 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4540 if (ha->port_down_retry_count ==
4541 le16_to_cpu(nv->port_down_retry_count) &&
4542 ha->port_down_retry_count > 3)
4543 ha->login_retry_count = ha->port_down_retry_count;
4544 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4545 ha->login_retry_count = ha->port_down_retry_count;
4546 if (ql2xloginretrycount)
4547 ha->login_retry_count = ql2xloginretrycount;
4548
4549 /* Enable ZIO. */
4550 if (!vha->flags.init_done) {
4551 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4552 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4553 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4554 le16_to_cpu(icb->interrupt_delay_timer): 2;
4555 }
4556 icb->firmware_options_2 &= __constant_cpu_to_le32(
4557 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4558 vha->flags.process_response_queue = 0;
4559 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4560 ha->zio_mode = QLA_ZIO_MODE_6;
4561
4562 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4563 "(%d us).\n", vha->host_no, ha->zio_mode,
4564 ha->zio_timer * 100));
4565 qla_printk(KERN_INFO, ha,
4566 "ZIO mode %d enabled; timer delay (%d us).\n",
4567 ha->zio_mode, ha->zio_timer * 100);
4568
4569 icb->firmware_options_2 |= cpu_to_le32(
4570 (uint32_t)ha->zio_mode);
4571 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4572 vha->flags.process_response_queue = 1;
4573 }
4574
4575 if (rval) {
4576 DEBUG2_3(printk(KERN_WARNING
4577 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4578 }
4579 return (rval);
4580 }
4581
4582 void
4583 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4584 {
4585 }
Nao low-level kernelspace/userspace library that runs on our robots, Nao-Team HTWK