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drivers/net/macvlan.c: fix cloning of tagged VLAN interfaces
[linux-2.6/x86.git] / drivers / scsi / qla2xxx / qla_init.c
blobbd7dd84c06485b4947ef4f38b66a799ff7230305
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 int qla2x00_setup_chip(scsi_qla_host_t *);
24 static int qla2x00_init_rings(scsi_qla_host_t *);
25 static int qla2x00_fw_ready(scsi_qla_host_t *);
26 static int qla2x00_configure_hba(scsi_qla_host_t *);
27 static int qla2x00_configure_loop(scsi_qla_host_t *);
28 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_fabric(scsi_qla_host_t *);
30 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
31 static int qla2x00_device_resync(scsi_qla_host_t *);
32 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
33 uint16_t *);
34
35 static int qla2x00_restart_isp(scsi_qla_host_t *);
36
37 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
38
39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40 static int qla84xx_init_chip(scsi_qla_host_t *);
41 static int qla25xx_init_queues(struct qla_hw_data *);
42
43 /****************************************************************************/
44 /* QLogic ISP2x00 Hardware Support Functions. */
45 /****************************************************************************/
46
47 /*
48 * qla2x00_initialize_adapter
49 * Initialize board.
50 *
51 * Input:
52 * ha = adapter block pointer.
53 *
54 * Returns:
55 * 0 = success
56 */
57 int
58 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
59 {
60 int rval;
61 struct qla_hw_data *ha = vha->hw;
62 struct req_que *req = ha->req_q_map[0];
63
64 /* Clear adapter flags. */
65 vha->flags.online = 0;
66 ha->flags.chip_reset_done = 0;
67 vha->flags.reset_active = 0;
68 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
69 atomic_set(&vha->loop_state, LOOP_DOWN);
70 vha->device_flags = DFLG_NO_CABLE;
71 vha->dpc_flags = 0;
72 vha->flags.management_server_logged_in = 0;
73 vha->marker_needed = 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 ha->flags.chip_reset_done = 1;
135
136 return (rval);
137 }
138
139 /**
140 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
141 * @ha: HA context
142 *
143 * Returns 0 on success.
144 */
145 int
146 qla2100_pci_config(scsi_qla_host_t *vha)
147 {
148 uint16_t w;
149 unsigned long flags;
150 struct qla_hw_data *ha = vha->hw;
151 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
152
153 pci_set_master(ha->pdev);
154 pci_try_set_mwi(ha->pdev);
155
156 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
157 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
158 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
159
160 pci_disable_rom(ha->pdev);
161
162 /* Get PCI bus information. */
163 spin_lock_irqsave(&ha->hardware_lock, flags);
164 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
166
167 return QLA_SUCCESS;
168 }
169
170 /**
171 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
172 * @ha: HA context
173 *
174 * Returns 0 on success.
175 */
176 int
177 qla2300_pci_config(scsi_qla_host_t *vha)
178 {
179 uint16_t w;
180 unsigned long flags = 0;
181 uint32_t cnt;
182 struct qla_hw_data *ha = vha->hw;
183 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
184
185 pci_set_master(ha->pdev);
186 pci_try_set_mwi(ha->pdev);
187
188 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
189 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
190
191 if (IS_QLA2322(ha) || IS_QLA6322(ha))
192 w &= ~PCI_COMMAND_INTX_DISABLE;
193 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
194
195 /*
196 * If this is a 2300 card and not 2312, reset the
197 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
198 * the 2310 also reports itself as a 2300 so we need to get the
199 * fb revision level -- a 6 indicates it really is a 2300 and
200 * not a 2310.
201 */
202 if (IS_QLA2300(ha)) {
203 spin_lock_irqsave(&ha->hardware_lock, flags);
204
205 /* Pause RISC. */
206 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
207 for (cnt = 0; cnt < 30000; cnt++) {
208 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
209 break;
210
211 udelay(10);
212 }
213
214 /* Select FPM registers. */
215 WRT_REG_WORD(&reg->ctrl_status, 0x20);
216 RD_REG_WORD(&reg->ctrl_status);
217
218 /* Get the fb rev level */
219 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
220
221 if (ha->fb_rev == FPM_2300)
222 pci_clear_mwi(ha->pdev);
223
224 /* Deselect FPM registers. */
225 WRT_REG_WORD(&reg->ctrl_status, 0x0);
226 RD_REG_WORD(&reg->ctrl_status);
227
228 /* Release RISC module. */
229 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
230 for (cnt = 0; cnt < 30000; cnt++) {
231 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
232 break;
233
234 udelay(10);
235 }
236
237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238 }
239
240 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
241
242 pci_disable_rom(ha->pdev);
243
244 /* Get PCI bus information. */
245 spin_lock_irqsave(&ha->hardware_lock, flags);
246 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
248
249 return QLA_SUCCESS;
250 }
251
252 /**
253 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
254 * @ha: HA context
255 *
256 * Returns 0 on success.
257 */
258 int
259 qla24xx_pci_config(scsi_qla_host_t *vha)
260 {
261 uint16_t w;
262 unsigned long flags = 0;
263 struct qla_hw_data *ha = vha->hw;
264 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
265
266 pci_set_master(ha->pdev);
267 pci_try_set_mwi(ha->pdev);
268
269 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
270 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
271 w &= ~PCI_COMMAND_INTX_DISABLE;
272 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
273
274 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
275
276 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
277 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
278 pcix_set_mmrbc(ha->pdev, 2048);
279
280 /* PCIe -- adjust Maximum Read Request Size (2048). */
281 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
282 pcie_set_readrq(ha->pdev, 2048);
283
284 pci_disable_rom(ha->pdev);
285
286 ha->chip_revision = ha->pdev->revision;
287
288 /* Get PCI bus information. */
289 spin_lock_irqsave(&ha->hardware_lock, flags);
290 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
292
293 return QLA_SUCCESS;
294 }
295
296 /**
297 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
298 * @ha: HA context
299 *
300 * Returns 0 on success.
301 */
302 int
303 qla25xx_pci_config(scsi_qla_host_t *vha)
304 {
305 uint16_t w;
306 struct qla_hw_data *ha = vha->hw;
307
308 pci_set_master(ha->pdev);
309 pci_try_set_mwi(ha->pdev);
310
311 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
312 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
313 w &= ~PCI_COMMAND_INTX_DISABLE;
314 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
315
316 /* PCIe -- adjust Maximum Read Request Size (2048). */
317 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
318 pcie_set_readrq(ha->pdev, 2048);
319
320 pci_disable_rom(ha->pdev);
321
322 ha->chip_revision = ha->pdev->revision;
323
324 return QLA_SUCCESS;
325 }
326
327 /**
328 * qla2x00_isp_firmware() - Choose firmware image.
329 * @ha: HA context
330 *
331 * Returns 0 on success.
332 */
333 static int
334 qla2x00_isp_firmware(scsi_qla_host_t *vha)
335 {
336 int rval;
337 uint16_t loop_id, topo, sw_cap;
338 uint8_t domain, area, al_pa;
339 struct qla_hw_data *ha = vha->hw;
340
341 /* Assume loading risc code */
342 rval = QLA_FUNCTION_FAILED;
343
344 if (ha->flags.disable_risc_code_load) {
345 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
346 vha->host_no));
347 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
348
349 /* Verify checksum of loaded RISC code. */
350 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
351 if (rval == QLA_SUCCESS) {
352 /* And, verify we are not in ROM code. */
353 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
354 &area, &domain, &topo, &sw_cap);
355 }
356 }
357
358 if (rval) {
359 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
360 vha->host_no));
361 }
362
363 return (rval);
364 }
365
366 /**
367 * qla2x00_reset_chip() - Reset ISP chip.
368 * @ha: HA context
369 *
370 * Returns 0 on success.
371 */
372 void
373 qla2x00_reset_chip(scsi_qla_host_t *vha)
374 {
375 unsigned long flags = 0;
376 struct qla_hw_data *ha = vha->hw;
377 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
378 uint32_t cnt;
379 uint16_t cmd;
380
381 ha->isp_ops->disable_intrs(ha);
382
383 spin_lock_irqsave(&ha->hardware_lock, flags);
384
385 /* Turn off master enable */
386 cmd = 0;
387 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
388 cmd &= ~PCI_COMMAND_MASTER;
389 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
390
391 if (!IS_QLA2100(ha)) {
392 /* Pause RISC. */
393 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
394 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
395 for (cnt = 0; cnt < 30000; cnt++) {
396 if ((RD_REG_WORD(&reg->hccr) &
397 HCCR_RISC_PAUSE) != 0)
398 break;
399 udelay(100);
400 }
401 } else {
402 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
403 udelay(10);
404 }
405
406 /* Select FPM registers. */
407 WRT_REG_WORD(&reg->ctrl_status, 0x20);
408 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
409
410 /* FPM Soft Reset. */
411 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
412 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
413
414 /* Toggle Fpm Reset. */
415 if (!IS_QLA2200(ha)) {
416 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
417 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
418 }
419
420 /* Select frame buffer registers. */
421 WRT_REG_WORD(&reg->ctrl_status, 0x10);
422 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
423
424 /* Reset frame buffer FIFOs. */
425 if (IS_QLA2200(ha)) {
426 WRT_FB_CMD_REG(ha, reg, 0xa000);
427 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
428 } else {
429 WRT_FB_CMD_REG(ha, reg, 0x00fc);
430
431 /* Read back fb_cmd until zero or 3 seconds max */
432 for (cnt = 0; cnt < 3000; cnt++) {
433 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
434 break;
435 udelay(100);
436 }
437 }
438
439 /* Select RISC module registers. */
440 WRT_REG_WORD(&reg->ctrl_status, 0);
441 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
442
443 /* Reset RISC processor. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
445 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
446
447 /* Release RISC processor. */
448 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
449 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
450 }
451
452 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
453 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
454
455 /* Reset ISP chip. */
456 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
457
458 /* Wait for RISC to recover from reset. */
459 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
460 /*
461 * It is necessary to for a delay here since the card doesn't
462 * respond to PCI reads during a reset. On some architectures
463 * this will result in an MCA.
464 */
465 udelay(20);
466 for (cnt = 30000; cnt; cnt--) {
467 if ((RD_REG_WORD(&reg->ctrl_status) &
468 CSR_ISP_SOFT_RESET) == 0)
469 break;
470 udelay(100);
471 }
472 } else
473 udelay(10);
474
475 /* Reset RISC processor. */
476 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
477
478 WRT_REG_WORD(&reg->semaphore, 0);
479
480 /* Release RISC processor. */
481 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
482 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
483
484 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
485 for (cnt = 0; cnt < 30000; cnt++) {
486 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
487 break;
488
489 udelay(100);
490 }
491 } else
492 udelay(100);
493
494 /* Turn on master enable */
495 cmd |= PCI_COMMAND_MASTER;
496 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
497
498 /* Disable RISC pause on FPM parity error. */
499 if (!IS_QLA2100(ha)) {
500 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
501 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
502 }
503
504 spin_unlock_irqrestore(&ha->hardware_lock, flags);
505 }
506
507 /**
508 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
509 * @ha: HA context
510 *
511 * Returns 0 on success.
512 */
513 static inline void
514 qla24xx_reset_risc(scsi_qla_host_t *vha)
515 {
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
546 /* Wait for soft-reset to complete. */
547 d2 = RD_REG_DWORD(&reg->ctrl_status);
548 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
549 udelay(5);
550 d2 = RD_REG_DWORD(&reg->ctrl_status);
551 barrier();
552 }
553
554 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
555 RD_REG_DWORD(&reg->hccr);
556
557 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
558 RD_REG_DWORD(&reg->hccr);
559
560 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
561 RD_REG_DWORD(&reg->hccr);
562
563 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
564 for (cnt = 6000000 ; cnt && d2; cnt--) {
565 udelay(5);
566 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
567 barrier();
568 }
569
570 spin_unlock_irqrestore(&ha->hardware_lock, flags);
571
572 if (IS_NOPOLLING_TYPE(ha))
573 ha->isp_ops->enable_intrs(ha);
574 }
575
576 /**
577 * qla24xx_reset_chip() - Reset ISP24xx chip.
578 * @ha: HA context
579 *
580 * Returns 0 on success.
581 */
582 void
583 qla24xx_reset_chip(scsi_qla_host_t *vha)
584 {
585 struct qla_hw_data *ha = vha->hw;
586 ha->isp_ops->disable_intrs(ha);
587
588 /* Perform RISC reset. */
589 qla24xx_reset_risc(vha);
590 }
591
592 /**
593 * qla2x00_chip_diag() - Test chip for proper operation.
594 * @ha: HA context
595 *
596 * Returns 0 on success.
597 */
598 int
599 qla2x00_chip_diag(scsi_qla_host_t *vha)
600 {
601 int rval;
602 struct qla_hw_data *ha = vha->hw;
603 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
604 unsigned long flags = 0;
605 uint16_t data;
606 uint32_t cnt;
607 uint16_t mb[5];
608 struct req_que *req = ha->req_q_map[0];
609
610 /* Assume a failed state */
611 rval = QLA_FUNCTION_FAILED;
612
613 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
614 vha->host_no, (u_long)&reg->flash_address));
615
616 spin_lock_irqsave(&ha->hardware_lock, flags);
617
618 /* Reset ISP chip. */
619 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
620
621 /*
622 * We need to have a delay here since the card will not respond while
623 * in reset causing an MCA on some architectures.
624 */
625 udelay(20);
626 data = qla2x00_debounce_register(&reg->ctrl_status);
627 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
628 udelay(5);
629 data = RD_REG_WORD(&reg->ctrl_status);
630 barrier();
631 }
632
633 if (!cnt)
634 goto chip_diag_failed;
635
636 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
637 ha->host_no));
638
639 /* Reset RISC processor. */
640 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
641 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
642
643 /* Workaround for QLA2312 PCI parity error */
644 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
645 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
646 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
647 udelay(5);
648 data = RD_MAILBOX_REG(ha, reg, 0);
649 barrier();
650 }
651 } else
652 udelay(10);
653
654 if (!cnt)
655 goto chip_diag_failed;
656
657 /* Check product ID of chip */
658 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
659
660 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
661 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
662 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
663 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
664 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
665 mb[3] != PROD_ID_3) {
666 qla_printk(KERN_WARNING, ha,
667 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
668
669 goto chip_diag_failed;
670 }
671 ha->product_id[0] = mb[1];
672 ha->product_id[1] = mb[2];
673 ha->product_id[2] = mb[3];
674 ha->product_id[3] = mb[4];
675
676 /* Adjust fw RISC transfer size */
677 if (req->length > 1024)
678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
679 else
680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
681 req->length;
682
683 if (IS_QLA2200(ha) &&
684 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
685 /* Limit firmware transfer size with a 2200A */
686 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
687 vha->host_no));
688
689 ha->device_type |= DT_ISP2200A;
690 ha->fw_transfer_size = 128;
691 }
692
693 /* Wrap Incoming Mailboxes Test. */
694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
696 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
697 rval = qla2x00_mbx_reg_test(vha);
698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
700 vha->host_no));
701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 }
704 else {
705 /* Flag a successful rval */
706 rval = QLA_SUCCESS;
707 }
708 spin_lock_irqsave(&ha->hardware_lock, flags);
709
710 chip_diag_failed:
711 if (rval)
712 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
713 "****\n", vha->host_no));
714
715 spin_unlock_irqrestore(&ha->hardware_lock, flags);
716
717 return (rval);
718 }
719
720 /**
721 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
722 * @ha: HA context
723 *
724 * Returns 0 on success.
725 */
726 int
727 qla24xx_chip_diag(scsi_qla_host_t *vha)
728 {
729 int rval;
730 struct qla_hw_data *ha = vha->hw;
731 struct req_que *req = ha->req_q_map[0];
732
733 /* Perform RISC reset. */
734 qla24xx_reset_risc(vha);
735
736 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
737
738 rval = qla2x00_mbx_reg_test(vha);
739 if (rval) {
740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
741 vha->host_no));
742 qla_printk(KERN_WARNING, ha,
743 "Failed mailbox send register test\n");
744 } else {
745 /* Flag a successful rval */
746 rval = QLA_SUCCESS;
747 }
748
749 return rval;
750 }
751
752 void
753 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
754 {
755 int rval;
756 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
757 eft_size, fce_size, mq_size;
758 dma_addr_t tc_dma;
759 void *tc;
760 struct qla_hw_data *ha = vha->hw;
761 struct req_que *req = ha->req_q_map[0];
762 struct rsp_que *rsp = ha->rsp_q_map[0];
763
764 if (ha->fw_dump) {
765 qla_printk(KERN_WARNING, ha,
766 "Firmware dump previously allocated.\n");
767 return;
768 }
769
770 ha->fw_dumped = 0;
771 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
772 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
773 fixed_size = sizeof(struct qla2100_fw_dump);
774 } else if (IS_QLA23XX(ha)) {
775 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
776 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
777 sizeof(uint16_t);
778 } else if (IS_FWI2_CAPABLE(ha)) {
779 if (IS_QLA81XX(ha))
780 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
781 else if (IS_QLA25XX(ha))
782 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
783 else
784 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
785 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
786 sizeof(uint32_t);
787 if (ha->mqenable)
788 mq_size = sizeof(struct qla2xxx_mq_chain);
789
790 /* Allocate memory for Fibre Channel Event Buffer. */
791 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
792 goto try_eft;
793
794 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
795 GFP_KERNEL);
796 if (!tc) {
797 qla_printk(KERN_WARNING, ha, "Unable to allocate "
798 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
799 goto try_eft;
800 }
801
802 memset(tc, 0, FCE_SIZE);
803 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
804 ha->fce_mb, &ha->fce_bufs);
805 if (rval) {
806 qla_printk(KERN_WARNING, ha, "Unable to initialize "
807 "FCE (%d).\n", rval);
808 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
809 tc_dma);
810 ha->flags.fce_enabled = 0;
811 goto try_eft;
812 }
813
814 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
815 FCE_SIZE / 1024);
816
817 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
818 ha->flags.fce_enabled = 1;
819 ha->fce_dma = tc_dma;
820 ha->fce = tc;
821 try_eft:
822 /* Allocate memory for Extended Trace Buffer. */
823 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
824 GFP_KERNEL);
825 if (!tc) {
826 qla_printk(KERN_WARNING, ha, "Unable to allocate "
827 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
828 goto cont_alloc;
829 }
830
831 memset(tc, 0, EFT_SIZE);
832 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
833 if (rval) {
834 qla_printk(KERN_WARNING, ha, "Unable to initialize "
835 "EFT (%d).\n", rval);
836 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
837 tc_dma);
838 goto cont_alloc;
839 }
840
841 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
842 EFT_SIZE / 1024);
843
844 eft_size = EFT_SIZE;
845 ha->eft_dma = tc_dma;
846 ha->eft = tc;
847 }
848 cont_alloc:
849 req_q_size = req->length * sizeof(request_t);
850 rsp_q_size = rsp->length * sizeof(response_t);
851
852 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
853 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
854 eft_size;
855 ha->chain_offset = dump_size;
856 dump_size += mq_size + fce_size;
857
858 ha->fw_dump = vmalloc(dump_size);
859 if (!ha->fw_dump) {
860 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
861 "firmware dump!!!\n", dump_size / 1024);
862
863 if (ha->eft) {
864 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
865 ha->eft_dma);
866 ha->eft = NULL;
867 ha->eft_dma = 0;
868 }
869 return;
870 }
871 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
872 dump_size / 1024);
873
874 ha->fw_dump_len = dump_size;
875 ha->fw_dump->signature[0] = 'Q';
876 ha->fw_dump->signature[1] = 'L';
877 ha->fw_dump->signature[2] = 'G';
878 ha->fw_dump->signature[3] = 'C';
879 ha->fw_dump->version = __constant_htonl(1);
880
881 ha->fw_dump->fixed_size = htonl(fixed_size);
882 ha->fw_dump->mem_size = htonl(mem_size);
883 ha->fw_dump->req_q_size = htonl(req_q_size);
884 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
885
886 ha->fw_dump->eft_size = htonl(eft_size);
887 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
888 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
889
890 ha->fw_dump->header_size =
891 htonl(offsetof(struct qla2xxx_fw_dump, isp));
892 }
893
894 /**
895 * qla2x00_setup_chip() - Load and start RISC firmware.
896 * @ha: HA context
897 *
898 * Returns 0 on success.
899 */
900 static int
901 qla2x00_setup_chip(scsi_qla_host_t *vha)
902 {
903 int rval;
904 uint32_t srisc_address = 0;
905 struct qla_hw_data *ha = vha->hw;
906 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
907 unsigned long flags;
908 uint16_t fw_major_version;
909
910 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
911 /* Disable SRAM, Instruction RAM and GP RAM parity. */
912 spin_lock_irqsave(&ha->hardware_lock, flags);
913 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
914 RD_REG_WORD(&reg->hccr);
915 spin_unlock_irqrestore(&ha->hardware_lock, flags);
916 }
917
918 /* Load firmware sequences */
919 rval = ha->isp_ops->load_risc(vha, &srisc_address);
920 if (rval == QLA_SUCCESS) {
921 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
922 "code.\n", vha->host_no));
923
924 rval = qla2x00_verify_checksum(vha, srisc_address);
925 if (rval == QLA_SUCCESS) {
926 /* Start firmware execution. */
927 DEBUG(printk("scsi(%ld): Checksum OK, start "
928 "firmware.\n", vha->host_no));
929
930 rval = qla2x00_execute_fw(vha, srisc_address);
931 /* Retrieve firmware information. */
932 if (rval == QLA_SUCCESS) {
933 fw_major_version = ha->fw_major_version;
934 qla2x00_get_fw_version(vha,
935 &ha->fw_major_version,
936 &ha->fw_minor_version,
937 &ha->fw_subminor_version,
938 &ha->fw_attributes, &ha->fw_memory_size,
939 ha->mpi_version, &ha->mpi_capabilities,
940 ha->phy_version);
941 ha->flags.npiv_supported = 0;
942 if (IS_QLA2XXX_MIDTYPE(ha) &&
943 (ha->fw_attributes & BIT_2)) {
944 ha->flags.npiv_supported = 1;
945 if ((!ha->max_npiv_vports) ||
946 ((ha->max_npiv_vports + 1) %
947 MIN_MULTI_ID_FABRIC))
948 ha->max_npiv_vports =
949 MIN_MULTI_ID_FABRIC - 1;
950 }
951 qla2x00_get_resource_cnts(vha, NULL,
952 &ha->fw_xcb_count, NULL, NULL,
953 &ha->max_npiv_vports);
954
955 if (!fw_major_version && ql2xallocfwdump)
956 qla2x00_alloc_fw_dump(vha);
957 }
958 } else {
959 DEBUG2(printk(KERN_INFO
960 "scsi(%ld): ISP Firmware failed checksum.\n",
961 vha->host_no));
962 }
963 }
964
965 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
966 /* Enable proper parity. */
967 spin_lock_irqsave(&ha->hardware_lock, flags);
968 if (IS_QLA2300(ha))
969 /* SRAM parity */
970 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
971 else
972 /* SRAM, Instruction RAM and GP RAM parity */
973 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
974 RD_REG_WORD(&reg->hccr);
975 spin_unlock_irqrestore(&ha->hardware_lock, flags);
976 }
977
978 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
979 uint32_t size;
980
981 rval = qla81xx_fac_get_sector_size(vha, &size);
982 if (rval == QLA_SUCCESS) {
983 ha->flags.fac_supported = 1;
984 ha->fdt_block_size = size << 2;
985 } else {
986 qla_printk(KERN_ERR, ha,
987 "Unsupported FAC firmware (%d.%02d.%02d).\n",
988 ha->fw_major_version, ha->fw_minor_version,
989 ha->fw_subminor_version);
990 }
991 }
992
993 if (rval) {
994 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
995 vha->host_no));
996 }
997
998 return (rval);
999 }
1000
1001 /**
1002 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1003 * @ha: HA context
1004 *
1005 * Beginning of request ring has initialization control block already built
1006 * by nvram config routine.
1007 *
1008 * Returns 0 on success.
1009 */
1010 void
1011 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1012 {
1013 uint16_t cnt;
1014 response_t *pkt;
1015
1016 pkt = rsp->ring_ptr;
1017 for (cnt = 0; cnt < rsp->length; cnt++) {
1018 pkt->signature = RESPONSE_PROCESSED;
1019 pkt++;
1020 }
1021
1022 }
1023
1024 /**
1025 * qla2x00_update_fw_options() - Read and process firmware options.
1026 * @ha: HA context
1027 *
1028 * Returns 0 on success.
1029 */
1030 void
1031 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1032 {
1033 uint16_t swing, emphasis, tx_sens, rx_sens;
1034 struct qla_hw_data *ha = vha->hw;
1035
1036 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1037 qla2x00_get_fw_options(vha, ha->fw_options);
1038
1039 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1040 return;
1041
1042 /* Serial Link options. */
1043 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1044 vha->host_no));
1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1046 sizeof(ha->fw_seriallink_options)));
1047
1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1049 if (ha->fw_seriallink_options[3] & BIT_2) {
1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1051
1052 /* 1G settings */
1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1054 emphasis = (ha->fw_seriallink_options[2] &
1055 (BIT_4 | BIT_3)) >> 3;
1056 tx_sens = ha->fw_seriallink_options[0] &
1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1058 rx_sens = (ha->fw_seriallink_options[0] &
1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1062 if (rx_sens == 0x0)
1063 rx_sens = 0x3;
1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1066 ha->fw_options[10] |= BIT_5 |
1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1068 (tx_sens & (BIT_1 | BIT_0));
1069
1070 /* 2G settings */
1071 swing = (ha->fw_seriallink_options[2] &
1072 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1074 tx_sens = ha->fw_seriallink_options[1] &
1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1076 rx_sens = (ha->fw_seriallink_options[1] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1080 if (rx_sens == 0x0)
1081 rx_sens = 0x3;
1082 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[11] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087 }
1088
1089 /* FCP2 options. */
1090 /* Return command IOCBs without waiting for an ABTS to complete. */
1091 ha->fw_options[3] |= BIT_13;
1092
1093 /* LED scheme. */
1094 if (ha->flags.enable_led_scheme)
1095 ha->fw_options[2] |= BIT_12;
1096
1097 /* Detect ISP6312. */
1098 if (IS_QLA6312(ha))
1099 ha->fw_options[2] |= BIT_13;
1100
1101 /* Update firmware options. */
1102 qla2x00_set_fw_options(vha, ha->fw_options);
1103 }
1104
1105 void
1106 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1107 {
1108 int rval;
1109 struct qla_hw_data *ha = vha->hw;
1110
1111 /* Update Serial Link options. */
1112 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1113 return;
1114
1115 rval = qla2x00_set_serdes_params(vha,
1116 le16_to_cpu(ha->fw_seriallink_options24[1]),
1117 le16_to_cpu(ha->fw_seriallink_options24[2]),
1118 le16_to_cpu(ha->fw_seriallink_options24[3]));
1119 if (rval != QLA_SUCCESS) {
1120 qla_printk(KERN_WARNING, ha,
1121 "Unable to update Serial Link options (%x).\n", rval);
1122 }
1123 }
1124
1125 void
1126 qla2x00_config_rings(struct scsi_qla_host *vha)
1127 {
1128 struct qla_hw_data *ha = vha->hw;
1129 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1130 struct req_que *req = ha->req_q_map[0];
1131 struct rsp_que *rsp = ha->rsp_q_map[0];
1132
1133 /* Setup ring parameters in initialization control block. */
1134 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1135 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1136 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1137 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1138 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1139 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1140 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1141 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1142
1143 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1144 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1145 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1146 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1147 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1148 }
1149
1150 void
1151 qla24xx_config_rings(struct scsi_qla_host *vha)
1152 {
1153 struct qla_hw_data *ha = vha->hw;
1154 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1155 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1156 struct qla_msix_entry *msix;
1157 struct init_cb_24xx *icb;
1158 uint16_t rid = 0;
1159 struct req_que *req = ha->req_q_map[0];
1160 struct rsp_que *rsp = ha->rsp_q_map[0];
1161
1162 /* Setup ring parameters in initialization control block. */
1163 icb = (struct init_cb_24xx *)ha->init_cb;
1164 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1165 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1166 icb->request_q_length = cpu_to_le16(req->length);
1167 icb->response_q_length = cpu_to_le16(rsp->length);
1168 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1169 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1170 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1171 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1172
1173 if (ha->mqenable) {
1174 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1175 icb->rid = __constant_cpu_to_le16(rid);
1176 if (ha->flags.msix_enabled) {
1177 msix = &ha->msix_entries[1];
1178 DEBUG2_17(printk(KERN_INFO
1179 "Reistering vector 0x%x for base que\n", msix->entry));
1180 icb->msix = cpu_to_le16(msix->entry);
1181 }
1182 /* Use alternate PCI bus number */
1183 if (MSB(rid))
1184 icb->firmware_options_2 |=
1185 __constant_cpu_to_le32(BIT_19);
1186 /* Use alternate PCI devfn */
1187 if (LSB(rid))
1188 icb->firmware_options_2 |=
1189 __constant_cpu_to_le32(BIT_18);
1190
1191 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1192 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1193
1194 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1195 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1196 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1197 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1198 } else {
1199 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1200 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1201 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1202 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1203 }
1204 /* PCI posting */
1205 RD_REG_DWORD(&ioreg->hccr);
1206 }
1207
1208 /**
1209 * qla2x00_init_rings() - Initializes firmware.
1210 * @ha: HA context
1211 *
1212 * Beginning of request ring has initialization control block already built
1213 * by nvram config routine.
1214 *
1215 * Returns 0 on success.
1216 */
1217 static int
1218 qla2x00_init_rings(scsi_qla_host_t *vha)
1219 {
1220 int rval;
1221 unsigned long flags = 0;
1222 int cnt, que;
1223 struct qla_hw_data *ha = vha->hw;
1224 struct req_que *req;
1225 struct rsp_que *rsp;
1226 struct scsi_qla_host *vp;
1227 struct mid_init_cb_24xx *mid_init_cb =
1228 (struct mid_init_cb_24xx *) ha->init_cb;
1229
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231
1232 /* Clear outstanding commands array. */
1233 for (que = 0; que < ha->max_queues; que++) {
1234 req = ha->req_q_map[que];
1235 if (!req)
1236 continue;
1237 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1238 req->outstanding_cmds[cnt] = NULL;
1239
1240 req->current_outstanding_cmd = 0;
1241
1242 /* Initialize firmware. */
1243 req->ring_ptr = req->ring;
1244 req->ring_index = 0;
1245 req->cnt = req->length;
1246 }
1247
1248 for (que = 0; que < ha->max_queues; que++) {
1249 rsp = ha->rsp_q_map[que];
1250 if (!rsp)
1251 continue;
1252 rsp->ring_ptr = rsp->ring;
1253 rsp->ring_index = 0;
1254
1255 /* Initialize response queue entries */
1256 qla2x00_init_response_q_entries(rsp);
1257 }
1258
1259 /* Clear RSCN queue. */
1260 list_for_each_entry(vp, &ha->vp_list, list) {
1261 vp->rscn_in_ptr = 0;
1262 vp->rscn_out_ptr = 0;
1263 }
1264 ha->isp_ops->config_rings(vha);
1265
1266 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1267
1268 /* Update any ISP specific firmware options before initialization. */
1269 ha->isp_ops->update_fw_options(vha);
1270
1271 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1272
1273 if (ha->flags.npiv_supported) {
1274 if (ha->operating_mode == LOOP)
1275 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1276 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1277 }
1278
1279 if (IS_FWI2_CAPABLE(ha)) {
1280 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1281 mid_init_cb->init_cb.execution_throttle =
1282 cpu_to_le16(ha->fw_xcb_count);
1283 }
1284
1285 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1286 if (rval) {
1287 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1288 vha->host_no));
1289 } else {
1290 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1291 vha->host_no));
1292 }
1293
1294 return (rval);
1295 }
1296
1297 /**
1298 * qla2x00_fw_ready() - Waits for firmware ready.
1299 * @ha: HA context
1300 *
1301 * Returns 0 on success.
1302 */
1303 static int
1304 qla2x00_fw_ready(scsi_qla_host_t *vha)
1305 {
1306 int rval;
1307 unsigned long wtime, mtime, cs84xx_time;
1308 uint16_t min_wait; /* Minimum wait time if loop is down */
1309 uint16_t wait_time; /* Wait time if loop is coming ready */
1310 uint16_t state[3];
1311 struct qla_hw_data *ha = vha->hw;
1312
1313 rval = QLA_SUCCESS;
1314
1315 /* 20 seconds for loop down. */
1316 min_wait = 20;
1317
1318 /*
1319 * Firmware should take at most one RATOV to login, plus 5 seconds for
1320 * our own processing.
1321 */
1322 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1323 wait_time = min_wait;
1324 }
1325
1326 /* Min wait time if loop down */
1327 mtime = jiffies + (min_wait * HZ);
1328
1329 /* wait time before firmware ready */
1330 wtime = jiffies + (wait_time * HZ);
1331
1332 /* Wait for ISP to finish LIP */
1333 if (!vha->flags.init_done)
1334 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1335
1336 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1337 vha->host_no));
1338
1339 do {
1340 rval = qla2x00_get_firmware_state(vha, state);
1341 if (rval == QLA_SUCCESS) {
1342 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1343 vha->device_flags &= ~DFLG_NO_CABLE;
1344 }
1345 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1346 DEBUG16(printk("scsi(%ld): fw_state=%x "
1347 "84xx=%x.\n", vha->host_no, state[0],
1348 state[2]));
1349 if ((state[2] & FSTATE_LOGGED_IN) &&
1350 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1351 DEBUG16(printk("scsi(%ld): Sending "
1352 "verify iocb.\n", vha->host_no));
1353
1354 cs84xx_time = jiffies;
1355 rval = qla84xx_init_chip(vha);
1356 if (rval != QLA_SUCCESS)
1357 break;
1358
1359 /* Add time taken to initialize. */
1360 cs84xx_time = jiffies - cs84xx_time;
1361 wtime += cs84xx_time;
1362 mtime += cs84xx_time;
1363 DEBUG16(printk("scsi(%ld): Increasing "
1364 "wait time by %ld. New time %ld\n",
1365 vha->host_no, cs84xx_time, wtime));
1366 }
1367 } else if (state[0] == FSTATE_READY) {
1368 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1369 vha->host_no));
1370
1371 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1372 &ha->login_timeout, &ha->r_a_tov);
1373
1374 rval = QLA_SUCCESS;
1375 break;
1376 }
1377
1378 rval = QLA_FUNCTION_FAILED;
1379
1380 if (atomic_read(&vha->loop_down_timer) &&
1381 state[0] != FSTATE_READY) {
1382 /* Loop down. Timeout on min_wait for states
1383 * other than Wait for Login.
1384 */
1385 if (time_after_eq(jiffies, mtime)) {
1386 qla_printk(KERN_INFO, ha,
1387 "Cable is unplugged...\n");
1388
1389 vha->device_flags |= DFLG_NO_CABLE;
1390 break;
1391 }
1392 }
1393 } else {
1394 /* Mailbox cmd failed. Timeout on min_wait. */
1395 if (time_after_eq(jiffies, mtime))
1396 break;
1397 }
1398
1399 if (time_after_eq(jiffies, wtime))
1400 break;
1401
1402 /* Delay for a while */
1403 msleep(500);
1404
1405 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1406 vha->host_no, state[0], jiffies));
1407 } while (1);
1408
1409 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1410 vha->host_no, state[0], jiffies));
1411
1412 if (rval) {
1413 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1414 vha->host_no));
1415 }
1416
1417 return (rval);
1418 }
1419
1420 /*
1421 * qla2x00_configure_hba
1422 * Setup adapter context.
1423 *
1424 * Input:
1425 * ha = adapter state pointer.
1426 *
1427 * Returns:
1428 * 0 = success
1429 *
1430 * Context:
1431 * Kernel context.
1432 */
1433 static int
1434 qla2x00_configure_hba(scsi_qla_host_t *vha)
1435 {
1436 int rval;
1437 uint16_t loop_id;
1438 uint16_t topo;
1439 uint16_t sw_cap;
1440 uint8_t al_pa;
1441 uint8_t area;
1442 uint8_t domain;
1443 char connect_type[22];
1444 struct qla_hw_data *ha = vha->hw;
1445
1446 /* Get host addresses. */
1447 rval = qla2x00_get_adapter_id(vha,
1448 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1449 if (rval != QLA_SUCCESS) {
1450 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1451 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1452 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1453 __func__, vha->host_no));
1454 } else {
1455 qla_printk(KERN_WARNING, ha,
1456 "ERROR -- Unable to get host loop ID.\n");
1457 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1458 }
1459 return (rval);
1460 }
1461
1462 if (topo == 4) {
1463 qla_printk(KERN_INFO, ha,
1464 "Cannot get topology - retrying.\n");
1465 return (QLA_FUNCTION_FAILED);
1466 }
1467
1468 vha->loop_id = loop_id;
1469
1470 /* initialize */
1471 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1472 ha->operating_mode = LOOP;
1473 ha->switch_cap = 0;
1474
1475 switch (topo) {
1476 case 0:
1477 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1478 vha->host_no));
1479 ha->current_topology = ISP_CFG_NL;
1480 strcpy(connect_type, "(Loop)");
1481 break;
1482
1483 case 1:
1484 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1485 vha->host_no));
1486 ha->switch_cap = sw_cap;
1487 ha->current_topology = ISP_CFG_FL;
1488 strcpy(connect_type, "(FL_Port)");
1489 break;
1490
1491 case 2:
1492 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1493 vha->host_no));
1494 ha->operating_mode = P2P;
1495 ha->current_topology = ISP_CFG_N;
1496 strcpy(connect_type, "(N_Port-to-N_Port)");
1497 break;
1498
1499 case 3:
1500 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1501 vha->host_no));
1502 ha->switch_cap = sw_cap;
1503 ha->operating_mode = P2P;
1504 ha->current_topology = ISP_CFG_F;
1505 strcpy(connect_type, "(F_Port)");
1506 break;
1507
1508 default:
1509 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1510 "Using NL.\n",
1511 vha->host_no, topo));
1512 ha->current_topology = ISP_CFG_NL;
1513 strcpy(connect_type, "(Loop)");
1514 break;
1515 }
1516
1517 /* Save Host port and loop ID. */
1518 /* byte order - Big Endian */
1519 vha->d_id.b.domain = domain;
1520 vha->d_id.b.area = area;
1521 vha->d_id.b.al_pa = al_pa;
1522
1523 if (!vha->flags.init_done)
1524 qla_printk(KERN_INFO, ha,
1525 "Topology - %s, Host Loop address 0x%x\n",
1526 connect_type, vha->loop_id);
1527
1528 if (rval) {
1529 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1530 } else {
1531 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1532 }
1533
1534 return(rval);
1535 }
1536
1537 static inline void
1538 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1539 char *def)
1540 {
1541 char *st, *en;
1542 uint16_t index;
1543 struct qla_hw_data *ha = vha->hw;
1544
1545 if (memcmp(model, BINZERO, len) != 0) {
1546 strncpy(ha->model_number, model, len);
1547 st = en = ha->model_number;
1548 en += len - 1;
1549 while (en > st) {
1550 if (*en != 0x20 && *en != 0x00)
1551 break;
1552 *en-- = '\0';
1553 }
1554
1555 index = (ha->pdev->subsystem_device & 0xff);
1556 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1557 index < QLA_MODEL_NAMES)
1558 strncpy(ha->model_desc,
1559 qla2x00_model_name[index * 2 + 1],
1560 sizeof(ha->model_desc) - 1);
1561 } else {
1562 index = (ha->pdev->subsystem_device & 0xff);
1563 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1564 index < QLA_MODEL_NAMES) {
1565 strcpy(ha->model_number,
1566 qla2x00_model_name[index * 2]);
1567 strncpy(ha->model_desc,
1568 qla2x00_model_name[index * 2 + 1],
1569 sizeof(ha->model_desc) - 1);
1570 } else {
1571 strcpy(ha->model_number, def);
1572 }
1573 }
1574 if (IS_FWI2_CAPABLE(ha))
1575 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1576 sizeof(ha->model_desc));
1577 }
1578
1579 /* On sparc systems, obtain port and node WWN from firmware
1580 * properties.
1581 */
1582 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1583 {
1584 #ifdef CONFIG_SPARC
1585 struct qla_hw_data *ha = vha->hw;
1586 struct pci_dev *pdev = ha->pdev;
1587 struct device_node *dp = pci_device_to_OF_node(pdev);
1588 const u8 *val;
1589 int len;
1590
1591 val = of_get_property(dp, "port-wwn", &len);
1592 if (val && len >= WWN_SIZE)
1593 memcpy(nv->port_name, val, WWN_SIZE);
1594
1595 val = of_get_property(dp, "node-wwn", &len);
1596 if (val && len >= WWN_SIZE)
1597 memcpy(nv->node_name, val, WWN_SIZE);
1598 #endif
1599 }
1600
1601 /*
1602 * NVRAM configuration for ISP 2xxx
1603 *
1604 * Input:
1605 * ha = adapter block pointer.
1606 *
1607 * Output:
1608 * initialization control block in response_ring
1609 * host adapters parameters in host adapter block
1610 *
1611 * Returns:
1612 * 0 = success.
1613 */
1614 int
1615 qla2x00_nvram_config(scsi_qla_host_t *vha)
1616 {
1617 int rval;
1618 uint8_t chksum = 0;
1619 uint16_t cnt;
1620 uint8_t *dptr1, *dptr2;
1621 struct qla_hw_data *ha = vha->hw;
1622 init_cb_t *icb = ha->init_cb;
1623 nvram_t *nv = ha->nvram;
1624 uint8_t *ptr = ha->nvram;
1625 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1626
1627 rval = QLA_SUCCESS;
1628
1629 /* Determine NVRAM starting address. */
1630 ha->nvram_size = sizeof(nvram_t);
1631 ha->nvram_base = 0;
1632 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1633 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1634 ha->nvram_base = 0x80;
1635
1636 /* Get NVRAM data and calculate checksum. */
1637 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1638 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1639 chksum += *ptr++;
1640
1641 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1642 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1643
1644 /* Bad NVRAM data, set defaults parameters. */
1645 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1646 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1647 /* Reset NVRAM data. */
1648 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1649 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1650 nv->nvram_version);
1651 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1652 "invalid -- WWPN) defaults.\n");
1653
1654 /*
1655 * Set default initialization control block.
1656 */
1657 memset(nv, 0, ha->nvram_size);
1658 nv->parameter_block_version = ICB_VERSION;
1659
1660 if (IS_QLA23XX(ha)) {
1661 nv->firmware_options[0] = BIT_2 | BIT_1;
1662 nv->firmware_options[1] = BIT_7 | BIT_5;
1663 nv->add_firmware_options[0] = BIT_5;
1664 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1665 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1666 nv->special_options[1] = BIT_7;
1667 } else if (IS_QLA2200(ha)) {
1668 nv->firmware_options[0] = BIT_2 | BIT_1;
1669 nv->firmware_options[1] = BIT_7 | BIT_5;
1670 nv->add_firmware_options[0] = BIT_5;
1671 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1672 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1673 } else if (IS_QLA2100(ha)) {
1674 nv->firmware_options[0] = BIT_3 | BIT_1;
1675 nv->firmware_options[1] = BIT_5;
1676 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1677 }
1678
1679 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1680 nv->execution_throttle = __constant_cpu_to_le16(16);
1681 nv->retry_count = 8;
1682 nv->retry_delay = 1;
1683
1684 nv->port_name[0] = 33;
1685 nv->port_name[3] = 224;
1686 nv->port_name[4] = 139;
1687
1688 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1689
1690 nv->login_timeout = 4;
1691
1692 /*
1693 * Set default host adapter parameters
1694 */
1695 nv->host_p[1] = BIT_2;
1696 nv->reset_delay = 5;
1697 nv->port_down_retry_count = 8;
1698 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1699 nv->link_down_timeout = 60;
1700
1701 rval = 1;
1702 }
1703
1704 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1705 /*
1706 * The SN2 does not provide BIOS emulation which means you can't change
1707 * potentially bogus BIOS settings. Force the use of default settings
1708 * for link rate and frame size. Hope that the rest of the settings
1709 * are valid.
1710 */
1711 if (ia64_platform_is("sn2")) {
1712 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1713 if (IS_QLA23XX(ha))
1714 nv->special_options[1] = BIT_7;
1715 }
1716 #endif
1717
1718 /* Reset Initialization control block */
1719 memset(icb, 0, ha->init_cb_size);
1720
1721 /*
1722 * Setup driver NVRAM options.
1723 */
1724 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1725 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1726 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1727 nv->firmware_options[1] &= ~BIT_4;
1728
1729 if (IS_QLA23XX(ha)) {
1730 nv->firmware_options[0] |= BIT_2;
1731 nv->firmware_options[0] &= ~BIT_3;
1732 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1733
1734 if (IS_QLA2300(ha)) {
1735 if (ha->fb_rev == FPM_2310) {
1736 strcpy(ha->model_number, "QLA2310");
1737 } else {
1738 strcpy(ha->model_number, "QLA2300");
1739 }
1740 } else {
1741 qla2x00_set_model_info(vha, nv->model_number,
1742 sizeof(nv->model_number), "QLA23xx");
1743 }
1744 } else if (IS_QLA2200(ha)) {
1745 nv->firmware_options[0] |= BIT_2;
1746 /*
1747 * 'Point-to-point preferred, else loop' is not a safe
1748 * connection mode setting.
1749 */
1750 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1751 (BIT_5 | BIT_4)) {
1752 /* Force 'loop preferred, else point-to-point'. */
1753 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1754 nv->add_firmware_options[0] |= BIT_5;
1755 }
1756 strcpy(ha->model_number, "QLA22xx");
1757 } else /*if (IS_QLA2100(ha))*/ {
1758 strcpy(ha->model_number, "QLA2100");
1759 }
1760
1761 /*
1762 * Copy over NVRAM RISC parameter block to initialization control block.
1763 */
1764 dptr1 = (uint8_t *)icb;
1765 dptr2 = (uint8_t *)&nv->parameter_block_version;
1766 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1767 while (cnt--)
1768 *dptr1++ = *dptr2++;
1769
1770 /* Copy 2nd half. */
1771 dptr1 = (uint8_t *)icb->add_firmware_options;
1772 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1773 while (cnt--)
1774 *dptr1++ = *dptr2++;
1775
1776 /* Use alternate WWN? */
1777 if (nv->host_p[1] & BIT_7) {
1778 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1779 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1780 }
1781
1782 /* Prepare nodename */
1783 if ((icb->firmware_options[1] & BIT_6) == 0) {
1784 /*
1785 * Firmware will apply the following mask if the nodename was
1786 * not provided.
1787 */
1788 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1789 icb->node_name[0] &= 0xF0;
1790 }
1791
1792 /*
1793 * Set host adapter parameters.
1794 */
1795 if (nv->host_p[0] & BIT_7)
1796 ql2xextended_error_logging = 1;
1797 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1798 /* Always load RISC code on non ISP2[12]00 chips. */
1799 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1800 ha->flags.disable_risc_code_load = 0;
1801 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1802 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1803 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1804 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1805 ha->flags.disable_serdes = 0;
1806
1807 ha->operating_mode =
1808 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1809
1810 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1811 sizeof(ha->fw_seriallink_options));
1812
1813 /* save HBA serial number */
1814 ha->serial0 = icb->port_name[5];
1815 ha->serial1 = icb->port_name[6];
1816 ha->serial2 = icb->port_name[7];
1817 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1818 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1819
1820 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1821
1822 ha->retry_count = nv->retry_count;
1823
1824 /* Set minimum login_timeout to 4 seconds. */
1825 if (nv->login_timeout < ql2xlogintimeout)
1826 nv->login_timeout = ql2xlogintimeout;
1827 if (nv->login_timeout < 4)
1828 nv->login_timeout = 4;
1829 ha->login_timeout = nv->login_timeout;
1830 icb->login_timeout = nv->login_timeout;
1831
1832 /* Set minimum RATOV to 100 tenths of a second. */
1833 ha->r_a_tov = 100;
1834
1835 ha->loop_reset_delay = nv->reset_delay;
1836
1837 /* Link Down Timeout = 0:
1838 *
1839 * When Port Down timer expires we will start returning
1840 * I/O's to OS with "DID_NO_CONNECT".
1841 *
1842 * Link Down Timeout != 0:
1843 *
1844 * The driver waits for the link to come up after link down
1845 * before returning I/Os to OS with "DID_NO_CONNECT".
1846 */
1847 if (nv->link_down_timeout == 0) {
1848 ha->loop_down_abort_time =
1849 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1850 } else {
1851 ha->link_down_timeout = nv->link_down_timeout;
1852 ha->loop_down_abort_time =
1853 (LOOP_DOWN_TIME - ha->link_down_timeout);
1854 }
1855
1856 /*
1857 * Need enough time to try and get the port back.
1858 */
1859 ha->port_down_retry_count = nv->port_down_retry_count;
1860 if (qlport_down_retry)
1861 ha->port_down_retry_count = qlport_down_retry;
1862 /* Set login_retry_count */
1863 ha->login_retry_count = nv->retry_count;
1864 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1865 ha->port_down_retry_count > 3)
1866 ha->login_retry_count = ha->port_down_retry_count;
1867 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1868 ha->login_retry_count = ha->port_down_retry_count;
1869 if (ql2xloginretrycount)
1870 ha->login_retry_count = ql2xloginretrycount;
1871
1872 icb->lun_enables = __constant_cpu_to_le16(0);
1873 icb->command_resource_count = 0;
1874 icb->immediate_notify_resource_count = 0;
1875 icb->timeout = __constant_cpu_to_le16(0);
1876
1877 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1878 /* Enable RIO */
1879 icb->firmware_options[0] &= ~BIT_3;
1880 icb->add_firmware_options[0] &=
1881 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1882 icb->add_firmware_options[0] |= BIT_2;
1883 icb->response_accumulation_timer = 3;
1884 icb->interrupt_delay_timer = 5;
1885
1886 vha->flags.process_response_queue = 1;
1887 } else {
1888 /* Enable ZIO. */
1889 if (!vha->flags.init_done) {
1890 ha->zio_mode = icb->add_firmware_options[0] &
1891 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1892 ha->zio_timer = icb->interrupt_delay_timer ?
1893 icb->interrupt_delay_timer: 2;
1894 }
1895 icb->add_firmware_options[0] &=
1896 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1897 vha->flags.process_response_queue = 0;
1898 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1899 ha->zio_mode = QLA_ZIO_MODE_6;
1900
1901 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1902 "delay (%d us).\n", vha->host_no, ha->zio_mode,
1903 ha->zio_timer * 100));
1904 qla_printk(KERN_INFO, ha,
1905 "ZIO mode %d enabled; timer delay (%d us).\n",
1906 ha->zio_mode, ha->zio_timer * 100);
1907
1908 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1909 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1910 vha->flags.process_response_queue = 1;
1911 }
1912 }
1913
1914 if (rval) {
1915 DEBUG2_3(printk(KERN_WARNING
1916 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1917 }
1918 return (rval);
1919 }
1920
1921 static void
1922 qla2x00_rport_del(void *data)
1923 {
1924 fc_port_t *fcport = data;
1925 struct fc_rport *rport;
1926
1927 spin_lock_irq(fcport->vha->host->host_lock);
1928 rport = fcport->drport;
1929 fcport->drport = NULL;
1930 spin_unlock_irq(fcport->vha->host->host_lock);
1931 if (rport)
1932 fc_remote_port_delete(rport);
1933 }
1934
1935 /**
1936 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1937 * @ha: HA context
1938 * @flags: allocation flags
1939 *
1940 * Returns a pointer to the allocated fcport, or NULL, if none available.
1941 */
1942 static fc_port_t *
1943 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1944 {
1945 fc_port_t *fcport;
1946
1947 fcport = kzalloc(sizeof(fc_port_t), flags);
1948 if (!fcport)
1949 return NULL;
1950
1951 /* Setup fcport template structure. */
1952 fcport->vha = vha;
1953 fcport->vp_idx = vha->vp_idx;
1954 fcport->port_type = FCT_UNKNOWN;
1955 fcport->loop_id = FC_NO_LOOP_ID;
1956 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1957 fcport->supported_classes = FC_COS_UNSPECIFIED;
1958
1959 return fcport;
1960 }
1961
1962 /*
1963 * qla2x00_configure_loop
1964 * Updates Fibre Channel Device Database with what is actually on loop.
1965 *
1966 * Input:
1967 * ha = adapter block pointer.
1968 *
1969 * Returns:
1970 * 0 = success.
1971 * 1 = error.
1972 * 2 = database was full and device was not configured.
1973 */
1974 static int
1975 qla2x00_configure_loop(scsi_qla_host_t *vha)
1976 {
1977 int rval;
1978 unsigned long flags, save_flags;
1979 struct qla_hw_data *ha = vha->hw;
1980 rval = QLA_SUCCESS;
1981
1982 /* Get Initiator ID */
1983 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
1984 rval = qla2x00_configure_hba(vha);
1985 if (rval != QLA_SUCCESS) {
1986 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1987 vha->host_no));
1988 return (rval);
1989 }
1990 }
1991
1992 save_flags = flags = vha->dpc_flags;
1993 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1994 vha->host_no, flags));
1995
1996 /*
1997 * If we have both an RSCN and PORT UPDATE pending then handle them
1998 * both at the same time.
1999 */
2000 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2001 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2002
2003 /* Determine what we need to do */
2004 if (ha->current_topology == ISP_CFG_FL &&
2005 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2006
2007 vha->flags.rscn_queue_overflow = 1;
2008 set_bit(RSCN_UPDATE, &flags);
2009
2010 } else if (ha->current_topology == ISP_CFG_F &&
2011 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2012
2013 vha->flags.rscn_queue_overflow = 1;
2014 set_bit(RSCN_UPDATE, &flags);
2015 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2016
2017 } else if (ha->current_topology == ISP_CFG_N) {
2018 clear_bit(RSCN_UPDATE, &flags);
2019
2020 } else if (!vha->flags.online ||
2021 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2022
2023 vha->flags.rscn_queue_overflow = 1;
2024 set_bit(RSCN_UPDATE, &flags);
2025 set_bit(LOCAL_LOOP_UPDATE, &flags);
2026 }
2027
2028 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2029 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2030 rval = QLA_FUNCTION_FAILED;
2031 else
2032 rval = qla2x00_configure_local_loop(vha);
2033 }
2034
2035 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2036 if (LOOP_TRANSITION(vha))
2037 rval = QLA_FUNCTION_FAILED;
2038 else
2039 rval = qla2x00_configure_fabric(vha);
2040 }
2041
2042 if (rval == QLA_SUCCESS) {
2043 if (atomic_read(&vha->loop_down_timer) ||
2044 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2045 rval = QLA_FUNCTION_FAILED;
2046 } else {
2047 atomic_set(&vha->loop_state, LOOP_READY);
2048
2049 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2050 }
2051 }
2052
2053 if (rval) {
2054 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2055 __func__, vha->host_no));
2056 } else {
2057 DEBUG3(printk("%s: exiting normally\n", __func__));
2058 }
2059
2060 /* Restore state if a resync event occurred during processing */
2061 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2062 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2063 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2064 if (test_bit(RSCN_UPDATE, &save_flags))
2065 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2066 }
2067
2068 return (rval);
2069 }
2070
2071
2072
2073 /*
2074 * qla2x00_configure_local_loop
2075 * Updates Fibre Channel Device Database with local loop devices.
2076 *
2077 * Input:
2078 * ha = adapter block pointer.
2079 *
2080 * Returns:
2081 * 0 = success.
2082 */
2083 static int
2084 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2085 {
2086 int rval, rval2;
2087 int found_devs;
2088 int found;
2089 fc_port_t *fcport, *new_fcport;
2090
2091 uint16_t index;
2092 uint16_t entries;
2093 char *id_iter;
2094 uint16_t loop_id;
2095 uint8_t domain, area, al_pa;
2096 struct qla_hw_data *ha = vha->hw;
2097
2098 found_devs = 0;
2099 new_fcport = NULL;
2100 entries = MAX_FIBRE_DEVICES;
2101
2102 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2103 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2104
2105 /* Get list of logged in devices. */
2106 memset(ha->gid_list, 0, GID_LIST_SIZE);
2107 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2108 &entries);
2109 if (rval != QLA_SUCCESS)
2110 goto cleanup_allocation;
2111
2112 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2113 ha->host_no, entries));
2114 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2115 entries * sizeof(struct gid_list_info)));
2116
2117 /* Allocate temporary fcport for any new fcports discovered. */
2118 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2119 if (new_fcport == NULL) {
2120 rval = QLA_MEMORY_ALLOC_FAILED;
2121 goto cleanup_allocation;
2122 }
2123 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2124
2125 /*
2126 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2127 */
2128 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2129 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2130 fcport->port_type != FCT_BROADCAST &&
2131 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2132
2133 DEBUG(printk("scsi(%ld): Marking port lost, "
2134 "loop_id=0x%04x\n",
2135 vha->host_no, fcport->loop_id));
2136
2137 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2138 }
2139 }
2140
2141 /* Add devices to port list. */
2142 id_iter = (char *)ha->gid_list;
2143 for (index = 0; index < entries; index++) {
2144 domain = ((struct gid_list_info *)id_iter)->domain;
2145 area = ((struct gid_list_info *)id_iter)->area;
2146 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2147 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2148 loop_id = (uint16_t)
2149 ((struct gid_list_info *)id_iter)->loop_id_2100;
2150 else
2151 loop_id = le16_to_cpu(
2152 ((struct gid_list_info *)id_iter)->loop_id);
2153 id_iter += ha->gid_list_info_size;
2154
2155 /* Bypass reserved domain fields. */
2156 if ((domain & 0xf0) == 0xf0)
2157 continue;
2158
2159 /* Bypass if not same domain and area of adapter. */
2160 if (area && domain &&
2161 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2162 continue;
2163
2164 /* Bypass invalid local loop ID. */
2165 if (loop_id > LAST_LOCAL_LOOP_ID)
2166 continue;
2167
2168 /* Fill in member data. */
2169 new_fcport->d_id.b.domain = domain;
2170 new_fcport->d_id.b.area = area;
2171 new_fcport->d_id.b.al_pa = al_pa;
2172 new_fcport->loop_id = loop_id;
2173 new_fcport->vp_idx = vha->vp_idx;
2174 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2175 if (rval2 != QLA_SUCCESS) {
2176 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2177 "information -- get_port_database=%x, "
2178 "loop_id=0x%04x\n",
2179 vha->host_no, rval2, new_fcport->loop_id));
2180 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2181 vha->host_no));
2182 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2183 continue;
2184 }
2185
2186 /* Check for matching device in port list. */
2187 found = 0;
2188 fcport = NULL;
2189 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2190 if (memcmp(new_fcport->port_name, fcport->port_name,
2191 WWN_SIZE))
2192 continue;
2193
2194 fcport->flags &= ~FCF_FABRIC_DEVICE;
2195 fcport->loop_id = new_fcport->loop_id;
2196 fcport->port_type = new_fcport->port_type;
2197 fcport->d_id.b24 = new_fcport->d_id.b24;
2198 memcpy(fcport->node_name, new_fcport->node_name,
2199 WWN_SIZE);
2200
2201 found++;
2202 break;
2203 }
2204
2205 if (!found) {
2206 /* New device, add to fcports list. */
2207 if (vha->vp_idx) {
2208 new_fcport->vha = vha;
2209 new_fcport->vp_idx = vha->vp_idx;
2210 }
2211 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2212
2213 /* Allocate a new replacement fcport. */
2214 fcport = new_fcport;
2215 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2216 if (new_fcport == NULL) {
2217 rval = QLA_MEMORY_ALLOC_FAILED;
2218 goto cleanup_allocation;
2219 }
2220 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2221 }
2222
2223 /* Base iIDMA settings on HBA port speed. */
2224 fcport->fp_speed = ha->link_data_rate;
2225
2226 qla2x00_update_fcport(vha, fcport);
2227
2228 found_devs++;
2229 }
2230
2231 cleanup_allocation:
2232 kfree(new_fcport);
2233
2234 if (rval != QLA_SUCCESS) {
2235 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2236 "rval=%x\n", vha->host_no, rval));
2237 }
2238
2239 return (rval);
2240 }
2241
2242 static void
2243 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2244 {
2245 #define LS_UNKNOWN 2
2246 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2247 int rval;
2248 uint16_t mb[6];
2249 struct qla_hw_data *ha = vha->hw;
2250
2251 if (!IS_IIDMA_CAPABLE(ha))
2252 return;
2253
2254 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2255 fcport->fp_speed > ha->link_data_rate)
2256 return;
2257
2258 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2259 mb);
2260 if (rval != QLA_SUCCESS) {
2261 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2262 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2263 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2264 fcport->port_name[2], fcport->port_name[3],
2265 fcport->port_name[4], fcport->port_name[5],
2266 fcport->port_name[6], fcport->port_name[7], rval,
2267 fcport->fp_speed, mb[0], mb[1]));
2268 } else {
2269 DEBUG2(qla_printk(KERN_INFO, ha,
2270 "iIDMA adjusted to %s GB/s on "
2271 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2272 link_speeds[fcport->fp_speed], fcport->port_name[0],
2273 fcport->port_name[1], fcport->port_name[2],
2274 fcport->port_name[3], fcport->port_name[4],
2275 fcport->port_name[5], fcport->port_name[6],
2276 fcport->port_name[7]));
2277 }
2278 }
2279
2280 static void
2281 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2282 {
2283 struct fc_rport_identifiers rport_ids;
2284 struct fc_rport *rport;
2285 struct qla_hw_data *ha = vha->hw;
2286
2287 if (fcport->drport)
2288 qla2x00_rport_del(fcport);
2289
2290 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2291 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2292 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2293 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2294 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2295 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2296 if (!rport) {
2297 qla_printk(KERN_WARNING, ha,
2298 "Unable to allocate fc remote port!\n");
2299 return;
2300 }
2301 spin_lock_irq(fcport->vha->host->host_lock);
2302 *((fc_port_t **)rport->dd_data) = fcport;
2303 spin_unlock_irq(fcport->vha->host->host_lock);
2304
2305 rport->supported_classes = fcport->supported_classes;
2306
2307 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2308 if (fcport->port_type == FCT_INITIATOR)
2309 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2310 if (fcport->port_type == FCT_TARGET)
2311 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2312 fc_remote_port_rolechg(rport, rport_ids.roles);
2313 }
2314
2315 /*
2316 * qla2x00_update_fcport
2317 * Updates device on list.
2318 *
2319 * Input:
2320 * ha = adapter block pointer.
2321 * fcport = port structure pointer.
2322 *
2323 * Return:
2324 * 0 - Success
2325 * BIT_0 - error
2326 *
2327 * Context:
2328 * Kernel context.
2329 */
2330 void
2331 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2332 {
2333 struct qla_hw_data *ha = vha->hw;
2334
2335 fcport->vha = vha;
2336 fcport->login_retry = 0;
2337 fcport->port_login_retry_count = ha->port_down_retry_count *
2338 PORT_RETRY_TIME;
2339 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2340 PORT_RETRY_TIME);
2341 fcport->flags &= ~FCF_LOGIN_NEEDED;
2342
2343 qla2x00_iidma_fcport(vha, fcport);
2344
2345 atomic_set(&fcport->state, FCS_ONLINE);
2346
2347 qla2x00_reg_remote_port(vha, fcport);
2348 }
2349
2350 /*
2351 * qla2x00_configure_fabric
2352 * Setup SNS devices with loop ID's.
2353 *
2354 * Input:
2355 * ha = adapter block pointer.
2356 *
2357 * Returns:
2358 * 0 = success.
2359 * BIT_0 = error
2360 */
2361 static int
2362 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2363 {
2364 int rval, rval2;
2365 fc_port_t *fcport, *fcptemp;
2366 uint16_t next_loopid;
2367 uint16_t mb[MAILBOX_REGISTER_COUNT];
2368 uint16_t loop_id;
2369 LIST_HEAD(new_fcports);
2370 struct qla_hw_data *ha = vha->hw;
2371 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2372
2373 /* If FL port exists, then SNS is present */
2374 if (IS_FWI2_CAPABLE(ha))
2375 loop_id = NPH_F_PORT;
2376 else
2377 loop_id = SNS_FL_PORT;
2378 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2379 if (rval != QLA_SUCCESS) {
2380 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2381 "Port\n", vha->host_no));
2382
2383 vha->device_flags &= ~SWITCH_FOUND;
2384 return (QLA_SUCCESS);
2385 }
2386 vha->device_flags |= SWITCH_FOUND;
2387
2388 /* Mark devices that need re-synchronization. */
2389 rval2 = qla2x00_device_resync(vha);
2390 if (rval2 == QLA_RSCNS_HANDLED) {
2391 /* No point doing the scan, just continue. */
2392 return (QLA_SUCCESS);
2393 }
2394 do {
2395 /* FDMI support. */
2396 if (ql2xfdmienable &&
2397 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2398 qla2x00_fdmi_register(vha);
2399
2400 /* Ensure we are logged into the SNS. */
2401 if (IS_FWI2_CAPABLE(ha))
2402 loop_id = NPH_SNS;
2403 else
2404 loop_id = SIMPLE_NAME_SERVER;
2405 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2406 0xfc, mb, BIT_1 | BIT_0);
2407 if (mb[0] != MBS_COMMAND_COMPLETE) {
2408 DEBUG2(qla_printk(KERN_INFO, ha,
2409 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2410 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2411 mb[0], mb[1], mb[2], mb[6], mb[7]));
2412 return (QLA_SUCCESS);
2413 }
2414
2415 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2416 if (qla2x00_rft_id(vha)) {
2417 /* EMPTY */
2418 DEBUG2(printk("scsi(%ld): Register FC-4 "
2419 "TYPE failed.\n", vha->host_no));
2420 }
2421 if (qla2x00_rff_id(vha)) {
2422 /* EMPTY */
2423 DEBUG2(printk("scsi(%ld): Register FC-4 "
2424 "Features failed.\n", vha->host_no));
2425 }
2426 if (qla2x00_rnn_id(vha)) {
2427 /* EMPTY */
2428 DEBUG2(printk("scsi(%ld): Register Node Name "
2429 "failed.\n", vha->host_no));
2430 } else if (qla2x00_rsnn_nn(vha)) {
2431 /* EMPTY */
2432 DEBUG2(printk("scsi(%ld): Register Symbolic "
2433 "Node Name failed.\n", vha->host_no));
2434 }
2435 }
2436
2437 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2438 if (rval != QLA_SUCCESS)
2439 break;
2440
2441 /*
2442 * Logout all previous fabric devices marked lost, except
2443 * tape devices.
2444 */
2445 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2446 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2447 break;
2448
2449 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2450 continue;
2451
2452 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2453 qla2x00_mark_device_lost(vha, fcport,
2454 ql2xplogiabsentdevice, 0);
2455 if (fcport->loop_id != FC_NO_LOOP_ID &&
2456 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2457 fcport->port_type != FCT_INITIATOR &&
2458 fcport->port_type != FCT_BROADCAST) {
2459 ha->isp_ops->fabric_logout(vha,
2460 fcport->loop_id,
2461 fcport->d_id.b.domain,
2462 fcport->d_id.b.area,
2463 fcport->d_id.b.al_pa);
2464 fcport->loop_id = FC_NO_LOOP_ID;
2465 }
2466 }
2467 }
2468
2469 /* Starting free loop ID. */
2470 next_loopid = ha->min_external_loopid;
2471
2472 /*
2473 * Scan through our port list and login entries that need to be
2474 * logged in.
2475 */
2476 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2477 if (atomic_read(&vha->loop_down_timer) ||
2478 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2479 break;
2480
2481 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2482 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2483 continue;
2484
2485 if (fcport->loop_id == FC_NO_LOOP_ID) {
2486 fcport->loop_id = next_loopid;
2487 rval = qla2x00_find_new_loop_id(
2488 base_vha, fcport);
2489 if (rval != QLA_SUCCESS) {
2490 /* Ran out of IDs to use */
2491 break;
2492 }
2493 }
2494 /* Login and update database */
2495 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2496 }
2497
2498 /* Exit if out of loop IDs. */
2499 if (rval != QLA_SUCCESS) {
2500 break;
2501 }
2502
2503 /*
2504 * Login and add the new devices to our port list.
2505 */
2506 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2507 if (atomic_read(&vha->loop_down_timer) ||
2508 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2509 break;
2510
2511 /* Find a new loop ID to use. */
2512 fcport->loop_id = next_loopid;
2513 rval = qla2x00_find_new_loop_id(base_vha, fcport);
2514 if (rval != QLA_SUCCESS) {
2515 /* Ran out of IDs to use */
2516 break;
2517 }
2518
2519 /* Login and update database */
2520 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2521
2522 if (vha->vp_idx) {
2523 fcport->vha = vha;
2524 fcport->vp_idx = vha->vp_idx;
2525 }
2526 list_move_tail(&fcport->list, &vha->vp_fcports);
2527 }
2528 } while (0);
2529
2530 /* Free all new device structures not processed. */
2531 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2532 list_del(&fcport->list);
2533 kfree(fcport);
2534 }
2535
2536 if (rval) {
2537 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2538 "rval=%d\n", vha->host_no, rval));
2539 }
2540
2541 return (rval);
2542 }
2543
2544
2545 /*
2546 * qla2x00_find_all_fabric_devs
2547 *
2548 * Input:
2549 * ha = adapter block pointer.
2550 * dev = database device entry pointer.
2551 *
2552 * Returns:
2553 * 0 = success.
2554 *
2555 * Context:
2556 * Kernel context.
2557 */
2558 static int
2559 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2560 struct list_head *new_fcports)
2561 {
2562 int rval;
2563 uint16_t loop_id;
2564 fc_port_t *fcport, *new_fcport, *fcptemp;
2565 int found;
2566
2567 sw_info_t *swl;
2568 int swl_idx;
2569 int first_dev, last_dev;
2570 port_id_t wrap, nxt_d_id;
2571 struct qla_hw_data *ha = vha->hw;
2572 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2573 struct scsi_qla_host *tvp;
2574
2575 rval = QLA_SUCCESS;
2576
2577 /* Try GID_PT to get device list, else GAN. */
2578 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2579 if (!swl) {
2580 /*EMPTY*/
2581 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2582 "on GA_NXT\n", vha->host_no));
2583 } else {
2584 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2585 kfree(swl);
2586 swl = NULL;
2587 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2588 kfree(swl);
2589 swl = NULL;
2590 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2591 kfree(swl);
2592 swl = NULL;
2593 } else if (ql2xiidmaenable &&
2594 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2595 qla2x00_gpsc(vha, swl);
2596 }
2597 }
2598 swl_idx = 0;
2599
2600 /* Allocate temporary fcport for any new fcports discovered. */
2601 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2602 if (new_fcport == NULL) {
2603 kfree(swl);
2604 return (QLA_MEMORY_ALLOC_FAILED);
2605 }
2606 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2607 /* Set start port ID scan at adapter ID. */
2608 first_dev = 1;
2609 last_dev = 0;
2610
2611 /* Starting free loop ID. */
2612 loop_id = ha->min_external_loopid;
2613 for (; loop_id <= ha->max_loop_id; loop_id++) {
2614 if (qla2x00_is_reserved_id(vha, loop_id))
2615 continue;
2616
2617 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2618 break;
2619
2620 if (swl != NULL) {
2621 if (last_dev) {
2622 wrap.b24 = new_fcport->d_id.b24;
2623 } else {
2624 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2625 memcpy(new_fcport->node_name,
2626 swl[swl_idx].node_name, WWN_SIZE);
2627 memcpy(new_fcport->port_name,
2628 swl[swl_idx].port_name, WWN_SIZE);
2629 memcpy(new_fcport->fabric_port_name,
2630 swl[swl_idx].fabric_port_name, WWN_SIZE);
2631 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2632
2633 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2634 last_dev = 1;
2635 }
2636 swl_idx++;
2637 }
2638 } else {
2639 /* Send GA_NXT to the switch */
2640 rval = qla2x00_ga_nxt(vha, new_fcport);
2641 if (rval != QLA_SUCCESS) {
2642 qla_printk(KERN_WARNING, ha,
2643 "SNS scan failed -- assuming zero-entry "
2644 "result...\n");
2645 list_for_each_entry_safe(fcport, fcptemp,
2646 new_fcports, list) {
2647 list_del(&fcport->list);
2648 kfree(fcport);
2649 }
2650 rval = QLA_SUCCESS;
2651 break;
2652 }
2653 }
2654
2655 /* If wrap on switch device list, exit. */
2656 if (first_dev) {
2657 wrap.b24 = new_fcport->d_id.b24;
2658 first_dev = 0;
2659 } else if (new_fcport->d_id.b24 == wrap.b24) {
2660 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2661 vha->host_no, new_fcport->d_id.b.domain,
2662 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2663 break;
2664 }
2665
2666 /* Bypass if same physical adapter. */
2667 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2668 continue;
2669
2670 /* Bypass virtual ports of the same host. */
2671 found = 0;
2672 if (ha->num_vhosts) {
2673 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2674 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2675 found = 1;
2676 break;
2677 }
2678 }
2679 if (found)
2680 continue;
2681 }
2682
2683 /* Bypass if same domain and area of adapter. */
2684 if (((new_fcport->d_id.b24 & 0xffff00) ==
2685 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2686 ISP_CFG_FL)
2687 continue;
2688
2689 /* Bypass reserved domain fields. */
2690 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2691 continue;
2692
2693 /* Locate matching device in database. */
2694 found = 0;
2695 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2696 if (memcmp(new_fcport->port_name, fcport->port_name,
2697 WWN_SIZE))
2698 continue;
2699
2700 found++;
2701
2702 /* Update port state. */
2703 memcpy(fcport->fabric_port_name,
2704 new_fcport->fabric_port_name, WWN_SIZE);
2705 fcport->fp_speed = new_fcport->fp_speed;
2706
2707 /*
2708 * If address the same and state FCS_ONLINE, nothing
2709 * changed.
2710 */
2711 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2712 atomic_read(&fcport->state) == FCS_ONLINE) {
2713 break;
2714 }
2715
2716 /*
2717 * If device was not a fabric device before.
2718 */
2719 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2720 fcport->d_id.b24 = new_fcport->d_id.b24;
2721 fcport->loop_id = FC_NO_LOOP_ID;
2722 fcport->flags |= (FCF_FABRIC_DEVICE |
2723 FCF_LOGIN_NEEDED);
2724 break;
2725 }
2726
2727 /*
2728 * Port ID changed or device was marked to be updated;
2729 * Log it out if still logged in and mark it for
2730 * relogin later.
2731 */
2732 fcport->d_id.b24 = new_fcport->d_id.b24;
2733 fcport->flags |= FCF_LOGIN_NEEDED;
2734 if (fcport->loop_id != FC_NO_LOOP_ID &&
2735 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2736 fcport->port_type != FCT_INITIATOR &&
2737 fcport->port_type != FCT_BROADCAST) {
2738 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2739 fcport->d_id.b.domain, fcport->d_id.b.area,
2740 fcport->d_id.b.al_pa);
2741 fcport->loop_id = FC_NO_LOOP_ID;
2742 }
2743
2744 break;
2745 }
2746
2747 if (found)
2748 continue;
2749 /* If device was not in our fcports list, then add it. */
2750 list_add_tail(&new_fcport->list, new_fcports);
2751
2752 /* Allocate a new replacement fcport. */
2753 nxt_d_id.b24 = new_fcport->d_id.b24;
2754 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2755 if (new_fcport == NULL) {
2756 kfree(swl);
2757 return (QLA_MEMORY_ALLOC_FAILED);
2758 }
2759 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2760 new_fcport->d_id.b24 = nxt_d_id.b24;
2761 }
2762
2763 kfree(swl);
2764 kfree(new_fcport);
2765
2766 return (rval);
2767 }
2768
2769 /*
2770 * qla2x00_find_new_loop_id
2771 * Scan through our port list and find a new usable loop ID.
2772 *
2773 * Input:
2774 * ha: adapter state pointer.
2775 * dev: port structure pointer.
2776 *
2777 * Returns:
2778 * qla2x00 local function return status code.
2779 *
2780 * Context:
2781 * Kernel context.
2782 */
2783 static int
2784 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2785 {
2786 int rval;
2787 int found;
2788 fc_port_t *fcport;
2789 uint16_t first_loop_id;
2790 struct qla_hw_data *ha = vha->hw;
2791 struct scsi_qla_host *vp;
2792 struct scsi_qla_host *tvp;
2793
2794 rval = QLA_SUCCESS;
2795
2796 /* Save starting loop ID. */
2797 first_loop_id = dev->loop_id;
2798
2799 for (;;) {
2800 /* Skip loop ID if already used by adapter. */
2801 if (dev->loop_id == vha->loop_id)
2802 dev->loop_id++;
2803
2804 /* Skip reserved loop IDs. */
2805 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2806 dev->loop_id++;
2807
2808 /* Reset loop ID if passed the end. */
2809 if (dev->loop_id > ha->max_loop_id) {
2810 /* first loop ID. */
2811 dev->loop_id = ha->min_external_loopid;
2812 }
2813
2814 /* Check for loop ID being already in use. */
2815 found = 0;
2816 fcport = NULL;
2817 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2818 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2819 if (fcport->loop_id == dev->loop_id &&
2820 fcport != dev) {
2821 /* ID possibly in use */
2822 found++;
2823 break;
2824 }
2825 }
2826 if (found)
2827 break;
2828 }
2829
2830 /* If not in use then it is free to use. */
2831 if (!found) {
2832 break;
2833 }
2834
2835 /* ID in use. Try next value. */
2836 dev->loop_id++;
2837
2838 /* If wrap around. No free ID to use. */
2839 if (dev->loop_id == first_loop_id) {
2840 dev->loop_id = FC_NO_LOOP_ID;
2841 rval = QLA_FUNCTION_FAILED;
2842 break;
2843 }
2844 }
2845
2846 return (rval);
2847 }
2848
2849 /*
2850 * qla2x00_device_resync
2851 * Marks devices in the database that needs resynchronization.
2852 *
2853 * Input:
2854 * ha = adapter block pointer.
2855 *
2856 * Context:
2857 * Kernel context.
2858 */
2859 static int
2860 qla2x00_device_resync(scsi_qla_host_t *vha)
2861 {
2862 int rval;
2863 uint32_t mask;
2864 fc_port_t *fcport;
2865 uint32_t rscn_entry;
2866 uint8_t rscn_out_iter;
2867 uint8_t format;
2868 port_id_t d_id;
2869
2870 rval = QLA_RSCNS_HANDLED;
2871
2872 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2873 vha->flags.rscn_queue_overflow) {
2874
2875 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2876 format = MSB(MSW(rscn_entry));
2877 d_id.b.domain = LSB(MSW(rscn_entry));
2878 d_id.b.area = MSB(LSW(rscn_entry));
2879 d_id.b.al_pa = LSB(LSW(rscn_entry));
2880
2881 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2882 "[%02x/%02x%02x%02x].\n",
2883 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2884 d_id.b.area, d_id.b.al_pa));
2885
2886 vha->rscn_out_ptr++;
2887 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2888 vha->rscn_out_ptr = 0;
2889
2890 /* Skip duplicate entries. */
2891 for (rscn_out_iter = vha->rscn_out_ptr;
2892 !vha->flags.rscn_queue_overflow &&
2893 rscn_out_iter != vha->rscn_in_ptr;
2894 rscn_out_iter = (rscn_out_iter ==
2895 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2896
2897 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2898 break;
2899
2900 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2901 "entry found at [%d].\n", vha->host_no,
2902 rscn_out_iter));
2903
2904 vha->rscn_out_ptr = rscn_out_iter;
2905 }
2906
2907 /* Queue overflow, set switch default case. */
2908 if (vha->flags.rscn_queue_overflow) {
2909 DEBUG(printk("scsi(%ld): device_resync: rscn "
2910 "overflow.\n", vha->host_no));
2911
2912 format = 3;
2913 vha->flags.rscn_queue_overflow = 0;
2914 }
2915
2916 switch (format) {
2917 case 0:
2918 mask = 0xffffff;
2919 break;
2920 case 1:
2921 mask = 0xffff00;
2922 break;
2923 case 2:
2924 mask = 0xff0000;
2925 break;
2926 default:
2927 mask = 0x0;
2928 d_id.b24 = 0;
2929 vha->rscn_out_ptr = vha->rscn_in_ptr;
2930 break;
2931 }
2932
2933 rval = QLA_SUCCESS;
2934
2935 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2936 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2937 (fcport->d_id.b24 & mask) != d_id.b24 ||
2938 fcport->port_type == FCT_BROADCAST)
2939 continue;
2940
2941 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2942 if (format != 3 ||
2943 fcport->port_type != FCT_INITIATOR) {
2944 qla2x00_mark_device_lost(vha, fcport,
2945 0, 0);
2946 }
2947 }
2948 }
2949 }
2950 return (rval);
2951 }
2952
2953 /*
2954 * qla2x00_fabric_dev_login
2955 * Login fabric target device and update FC port database.
2956 *
2957 * Input:
2958 * ha: adapter state pointer.
2959 * fcport: port structure list pointer.
2960 * next_loopid: contains value of a new loop ID that can be used
2961 * by the next login attempt.
2962 *
2963 * Returns:
2964 * qla2x00 local function return status code.
2965 *
2966 * Context:
2967 * Kernel context.
2968 */
2969 static int
2970 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
2971 uint16_t *next_loopid)
2972 {
2973 int rval;
2974 int retry;
2975 uint8_t opts;
2976 struct qla_hw_data *ha = vha->hw;
2977
2978 rval = QLA_SUCCESS;
2979 retry = 0;
2980
2981 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
2982 if (rval == QLA_SUCCESS) {
2983 /* Send an ADISC to tape devices.*/
2984 opts = 0;
2985 if (fcport->flags & FCF_TAPE_PRESENT)
2986 opts |= BIT_1;
2987 rval = qla2x00_get_port_database(vha, fcport, opts);
2988 if (rval != QLA_SUCCESS) {
2989 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2990 fcport->d_id.b.domain, fcport->d_id.b.area,
2991 fcport->d_id.b.al_pa);
2992 qla2x00_mark_device_lost(vha, fcport, 1, 0);
2993 } else {
2994 qla2x00_update_fcport(vha, fcport);
2995 }
2996 }
2997
2998 return (rval);
2999 }
3000
3001 /*
3002 * qla2x00_fabric_login
3003 * Issue fabric login command.
3004 *
3005 * Input:
3006 * ha = adapter block pointer.
3007 * device = pointer to FC device type structure.
3008 *
3009 * Returns:
3010 * 0 - Login successfully
3011 * 1 - Login failed
3012 * 2 - Initiator device
3013 * 3 - Fatal error
3014 */
3015 int
3016 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3017 uint16_t *next_loopid)
3018 {
3019 int rval;
3020 int retry;
3021 uint16_t tmp_loopid;
3022 uint16_t mb[MAILBOX_REGISTER_COUNT];
3023 struct qla_hw_data *ha = vha->hw;
3024
3025 retry = 0;
3026 tmp_loopid = 0;
3027
3028 for (;;) {
3029 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3030 "for port %02x%02x%02x.\n",
3031 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3032 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3033
3034 /* Login fcport on switch. */
3035 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3036 fcport->d_id.b.domain, fcport->d_id.b.area,
3037 fcport->d_id.b.al_pa, mb, BIT_0);
3038 if (mb[0] == MBS_PORT_ID_USED) {
3039 /*
3040 * Device has another loop ID. The firmware team
3041 * recommends the driver perform an implicit login with
3042 * the specified ID again. The ID we just used is save
3043 * here so we return with an ID that can be tried by
3044 * the next login.
3045 */
3046 retry++;
3047 tmp_loopid = fcport->loop_id;
3048 fcport->loop_id = mb[1];
3049
3050 DEBUG(printk("Fabric Login: port in use - next "
3051 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3052 fcport->loop_id, fcport->d_id.b.domain,
3053 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3054
3055 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3056 /*
3057 * Login succeeded.
3058 */
3059 if (retry) {
3060 /* A retry occurred before. */
3061 *next_loopid = tmp_loopid;
3062 } else {
3063 /*
3064 * No retry occurred before. Just increment the
3065 * ID value for next login.
3066 */
3067 *next_loopid = (fcport->loop_id + 1);
3068 }
3069
3070 if (mb[1] & BIT_0) {
3071 fcport->port_type = FCT_INITIATOR;
3072 } else {
3073 fcport->port_type = FCT_TARGET;
3074 if (mb[1] & BIT_1) {
3075 fcport->flags |= FCF_TAPE_PRESENT;
3076 }
3077 }
3078
3079 if (mb[10] & BIT_0)
3080 fcport->supported_classes |= FC_COS_CLASS2;
3081 if (mb[10] & BIT_1)
3082 fcport->supported_classes |= FC_COS_CLASS3;
3083
3084 rval = QLA_SUCCESS;
3085 break;
3086 } else if (mb[0] == MBS_LOOP_ID_USED) {
3087 /*
3088 * Loop ID already used, try next loop ID.
3089 */
3090 fcport->loop_id++;
3091 rval = qla2x00_find_new_loop_id(vha, fcport);
3092 if (rval != QLA_SUCCESS) {
3093 /* Ran out of loop IDs to use */
3094 break;
3095 }
3096 } else if (mb[0] == MBS_COMMAND_ERROR) {
3097 /*
3098 * Firmware possibly timed out during login. If NO
3099 * retries are left to do then the device is declared
3100 * dead.
3101 */
3102 *next_loopid = fcport->loop_id;
3103 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3104 fcport->d_id.b.domain, fcport->d_id.b.area,
3105 fcport->d_id.b.al_pa);
3106 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3107
3108 rval = 1;
3109 break;
3110 } else {
3111 /*
3112 * unrecoverable / not handled error
3113 */
3114 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3115 "loop_id=%x jiffies=%lx.\n",
3116 __func__, vha->host_no, mb[0],
3117 fcport->d_id.b.domain, fcport->d_id.b.area,
3118 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3119
3120 *next_loopid = fcport->loop_id;
3121 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3122 fcport->d_id.b.domain, fcport->d_id.b.area,
3123 fcport->d_id.b.al_pa);
3124 fcport->loop_id = FC_NO_LOOP_ID;
3125 fcport->login_retry = 0;
3126
3127 rval = 3;
3128 break;
3129 }
3130 }
3131
3132 return (rval);
3133 }
3134
3135 /*
3136 * qla2x00_local_device_login
3137 * Issue local device login command.
3138 *
3139 * Input:
3140 * ha = adapter block pointer.
3141 * loop_id = loop id of device to login to.
3142 *
3143 * Returns (Where's the #define!!!!):
3144 * 0 - Login successfully
3145 * 1 - Login failed
3146 * 3 - Fatal error
3147 */
3148 int
3149 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3150 {
3151 int rval;
3152 uint16_t mb[MAILBOX_REGISTER_COUNT];
3153
3154 memset(mb, 0, sizeof(mb));
3155 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3156 if (rval == QLA_SUCCESS) {
3157 /* Interrogate mailbox registers for any errors */
3158 if (mb[0] == MBS_COMMAND_ERROR)
3159 rval = 1;
3160 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3161 /* device not in PCB table */
3162 rval = 3;
3163 }
3164
3165 return (rval);
3166 }
3167
3168 /*
3169 * qla2x00_loop_resync
3170 * Resync with fibre channel devices.
3171 *
3172 * Input:
3173 * ha = adapter block pointer.
3174 *
3175 * Returns:
3176 * 0 = success
3177 */
3178 int
3179 qla2x00_loop_resync(scsi_qla_host_t *vha)
3180 {
3181 int rval = QLA_SUCCESS;
3182 uint32_t wait_time;
3183 struct qla_hw_data *ha = vha->hw;
3184 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3185 struct rsp_que *rsp = req->rsp;
3186
3187 atomic_set(&vha->loop_state, LOOP_UPDATE);
3188 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3189 if (vha->flags.online) {
3190 if (!(rval = qla2x00_fw_ready(vha))) {
3191 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3192 wait_time = 256;
3193 do {
3194 atomic_set(&vha->loop_state, LOOP_UPDATE);
3195
3196 /* Issue a marker after FW becomes ready. */
3197 qla2x00_marker(vha, req, rsp, 0, 0,
3198 MK_SYNC_ALL);
3199 vha->marker_needed = 0;
3200
3201 /* Remap devices on Loop. */
3202 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3203
3204 qla2x00_configure_loop(vha);
3205 wait_time--;
3206 } while (!atomic_read(&vha->loop_down_timer) &&
3207 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3208 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3209 &vha->dpc_flags)));
3210 }
3211 }
3212
3213 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3214 return (QLA_FUNCTION_FAILED);
3215
3216 if (rval)
3217 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3218
3219 return (rval);
3220 }
3221
3222 void
3223 qla2x00_update_fcports(scsi_qla_host_t *vha)
3224 {
3225 fc_port_t *fcport;
3226
3227 /* Go with deferred removal of rport references. */
3228 list_for_each_entry(fcport, &vha->vp_fcports, list)
3229 if (fcport && fcport->drport &&
3230 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3231 qla2x00_rport_del(fcport);
3232 }
3233
3234 /*
3235 * qla2x00_abort_isp
3236 * Resets ISP and aborts all outstanding commands.
3237 *
3238 * Input:
3239 * ha = adapter block pointer.
3240 *
3241 * Returns:
3242 * 0 = success
3243 */
3244 int
3245 qla2x00_abort_isp(scsi_qla_host_t *vha)
3246 {
3247 int rval;
3248 uint8_t status = 0;
3249 struct qla_hw_data *ha = vha->hw;
3250 struct scsi_qla_host *vp;
3251 struct scsi_qla_host *tvp;
3252 struct req_que *req = ha->req_q_map[0];
3253
3254 if (vha->flags.online) {
3255 vha->flags.online = 0;
3256 ha->flags.chip_reset_done = 0;
3257 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3258 ha->qla_stats.total_isp_aborts++;
3259
3260 qla_printk(KERN_INFO, ha,
3261 "Performing ISP error recovery - ha= %p.\n", ha);
3262 ha->isp_ops->reset_chip(vha);
3263
3264 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3265 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3266 atomic_set(&vha->loop_state, LOOP_DOWN);
3267 qla2x00_mark_all_devices_lost(vha, 0);
3268 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3269 qla2x00_mark_all_devices_lost(vp, 0);
3270 } else {
3271 if (!atomic_read(&vha->loop_down_timer))
3272 atomic_set(&vha->loop_down_timer,
3273 LOOP_DOWN_TIME);
3274 }
3275
3276 /* Requeue all commands in outstanding command list. */
3277 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3278
3279 ha->isp_ops->get_flash_version(vha, req->ring);
3280
3281 ha->isp_ops->nvram_config(vha);
3282
3283 if (!qla2x00_restart_isp(vha)) {
3284 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3285
3286 if (!atomic_read(&vha->loop_down_timer)) {
3287 /*
3288 * Issue marker command only when we are going
3289 * to start the I/O .
3290 */
3291 vha->marker_needed = 1;
3292 }
3293
3294 vha->flags.online = 1;
3295
3296 ha->isp_ops->enable_intrs(ha);
3297
3298 ha->isp_abort_cnt = 0;
3299 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3300
3301 if (ha->fce) {
3302 ha->flags.fce_enabled = 1;
3303 memset(ha->fce, 0,
3304 fce_calc_size(ha->fce_bufs));
3305 rval = qla2x00_enable_fce_trace(vha,
3306 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3307 &ha->fce_bufs);
3308 if (rval) {
3309 qla_printk(KERN_WARNING, ha,
3310 "Unable to reinitialize FCE "
3311 "(%d).\n", rval);
3312 ha->flags.fce_enabled = 0;
3313 }
3314 }
3315
3316 if (ha->eft) {
3317 memset(ha->eft, 0, EFT_SIZE);
3318 rval = qla2x00_enable_eft_trace(vha,
3319 ha->eft_dma, EFT_NUM_BUFFERS);
3320 if (rval) {
3321 qla_printk(KERN_WARNING, ha,
3322 "Unable to reinitialize EFT "
3323 "(%d).\n", rval);
3324 }
3325 }
3326 } else { /* failed the ISP abort */
3327 vha->flags.online = 1;
3328 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3329 if (ha->isp_abort_cnt == 0) {
3330 qla_printk(KERN_WARNING, ha,
3331 "ISP error recovery failed - "
3332 "board disabled\n");
3333 /*
3334 * The next call disables the board
3335 * completely.
3336 */
3337 ha->isp_ops->reset_adapter(vha);
3338 vha->flags.online = 0;
3339 clear_bit(ISP_ABORT_RETRY,
3340 &vha->dpc_flags);
3341 status = 0;
3342 } else { /* schedule another ISP abort */
3343 ha->isp_abort_cnt--;
3344 DEBUG(printk("qla%ld: ISP abort - "
3345 "retry remaining %d\n",
3346 vha->host_no, ha->isp_abort_cnt));
3347 status = 1;
3348 }
3349 } else {
3350 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3351 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3352 "- retrying (%d) more times\n",
3353 vha->host_no, ha->isp_abort_cnt));
3354 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3355 status = 1;
3356 }
3357 }
3358
3359 }
3360
3361 if (!status) {
3362 DEBUG(printk(KERN_INFO
3363 "qla2x00_abort_isp(%ld): succeeded.\n",
3364 vha->host_no));
3365 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3366 if (vp->vp_idx)
3367 qla2x00_vp_abort_isp(vp);
3368 }
3369 } else {
3370 qla_printk(KERN_INFO, ha,
3371 "qla2x00_abort_isp: **** FAILED ****\n");
3372 }
3373
3374 return(status);
3375 }
3376
3377 /*
3378 * qla2x00_restart_isp
3379 * restarts the ISP after a reset
3380 *
3381 * Input:
3382 * ha = adapter block pointer.
3383 *
3384 * Returns:
3385 * 0 = success
3386 */
3387 static int
3388 qla2x00_restart_isp(scsi_qla_host_t *vha)
3389 {
3390 int status = 0;
3391 uint32_t wait_time;
3392 struct qla_hw_data *ha = vha->hw;
3393 struct req_que *req = ha->req_q_map[0];
3394 struct rsp_que *rsp = ha->rsp_q_map[0];
3395
3396 /* If firmware needs to be loaded */
3397 if (qla2x00_isp_firmware(vha)) {
3398 vha->flags.online = 0;
3399 status = ha->isp_ops->chip_diag(vha);
3400 if (!status)
3401 status = qla2x00_setup_chip(vha);
3402 }
3403
3404 if (!status && !(status = qla2x00_init_rings(vha))) {
3405 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3406 ha->flags.chip_reset_done = 1;
3407 /* Initialize the queues in use */
3408 qla25xx_init_queues(ha);
3409
3410 status = qla2x00_fw_ready(vha);
3411 if (!status) {
3412 DEBUG(printk("%s(): Start configure loop, "
3413 "status = %d\n", __func__, status));
3414
3415 /* Issue a marker after FW becomes ready. */
3416 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3417
3418 vha->flags.online = 1;
3419 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3420 wait_time = 256;
3421 do {
3422 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3423 qla2x00_configure_loop(vha);
3424 wait_time--;
3425 } while (!atomic_read(&vha->loop_down_timer) &&
3426 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3427 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3428 &vha->dpc_flags)));
3429 }
3430
3431 /* if no cable then assume it's good */
3432 if ((vha->device_flags & DFLG_NO_CABLE))
3433 status = 0;
3434
3435 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3436 __func__,
3437 status));
3438 }
3439 return (status);
3440 }
3441
3442 static int
3443 qla25xx_init_queues(struct qla_hw_data *ha)
3444 {
3445 struct rsp_que *rsp = NULL;
3446 struct req_que *req = NULL;
3447 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3448 int ret = -1;
3449 int i;
3450
3451 for (i = 1; i < ha->max_queues; i++) {
3452 rsp = ha->rsp_q_map[i];
3453 if (rsp) {
3454 rsp->options &= ~BIT_0;
3455 ret = qla25xx_init_rsp_que(base_vha, rsp);
3456 if (ret != QLA_SUCCESS)
3457 DEBUG2_17(printk(KERN_WARNING
3458 "%s Rsp que:%d init failed\n", __func__,
3459 rsp->id));
3460 else
3461 DEBUG2_17(printk(KERN_INFO
3462 "%s Rsp que:%d inited\n", __func__,
3463 rsp->id));
3464 }
3465 req = ha->req_q_map[i];
3466 if (req) {
3467 /* Clear outstanding commands array. */
3468 req->options &= ~BIT_0;
3469 ret = qla25xx_init_req_que(base_vha, req);
3470 if (ret != QLA_SUCCESS)
3471 DEBUG2_17(printk(KERN_WARNING
3472 "%s Req que:%d init failed\n", __func__,
3473 req->id));
3474 else
3475 DEBUG2_17(printk(KERN_WARNING
3476 "%s Req que:%d inited\n", __func__,
3477 req->id));
3478 }
3479 }
3480 return ret;
3481 }
3482
3483 /*
3484 * qla2x00_reset_adapter
3485 * Reset adapter.
3486 *
3487 * Input:
3488 * ha = adapter block pointer.
3489 */
3490 void
3491 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3492 {
3493 unsigned long flags = 0;
3494 struct qla_hw_data *ha = vha->hw;
3495 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3496
3497 vha->flags.online = 0;
3498 ha->isp_ops->disable_intrs(ha);
3499
3500 spin_lock_irqsave(&ha->hardware_lock, flags);
3501 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3502 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3503 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3504 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3505 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3506 }
3507
3508 void
3509 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3510 {
3511 unsigned long flags = 0;
3512 struct qla_hw_data *ha = vha->hw;
3513 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3514
3515 vha->flags.online = 0;
3516 ha->isp_ops->disable_intrs(ha);
3517
3518 spin_lock_irqsave(&ha->hardware_lock, flags);
3519 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3520 RD_REG_DWORD(&reg->hccr);
3521 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3522 RD_REG_DWORD(&reg->hccr);
3523 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3524
3525 if (IS_NOPOLLING_TYPE(ha))
3526 ha->isp_ops->enable_intrs(ha);
3527 }
3528
3529 /* On sparc systems, obtain port and node WWN from firmware
3530 * properties.
3531 */
3532 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3533 struct nvram_24xx *nv)
3534 {
3535 #ifdef CONFIG_SPARC
3536 struct qla_hw_data *ha = vha->hw;
3537 struct pci_dev *pdev = ha->pdev;
3538 struct device_node *dp = pci_device_to_OF_node(pdev);
3539 const u8 *val;
3540 int len;
3541
3542 val = of_get_property(dp, "port-wwn", &len);
3543 if (val && len >= WWN_SIZE)
3544 memcpy(nv->port_name, val, WWN_SIZE);
3545
3546 val = of_get_property(dp, "node-wwn", &len);
3547 if (val && len >= WWN_SIZE)
3548 memcpy(nv->node_name, val, WWN_SIZE);
3549 #endif
3550 }
3551
3552 int
3553 qla24xx_nvram_config(scsi_qla_host_t *vha)
3554 {
3555 int rval;
3556 struct init_cb_24xx *icb;
3557 struct nvram_24xx *nv;
3558 uint32_t *dptr;
3559 uint8_t *dptr1, *dptr2;
3560 uint32_t chksum;
3561 uint16_t cnt;
3562 struct qla_hw_data *ha = vha->hw;
3563
3564 rval = QLA_SUCCESS;
3565 icb = (struct init_cb_24xx *)ha->init_cb;
3566 nv = ha->nvram;
3567
3568 /* Determine NVRAM starting address. */
3569 ha->nvram_size = sizeof(struct nvram_24xx);
3570 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3571 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3572 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3573 if (PCI_FUNC(ha->pdev->devfn)) {
3574 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3575 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3576 }
3577
3578 /* Get VPD data into cache */
3579 ha->vpd = ha->nvram + VPD_OFFSET;
3580 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3581 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3582
3583 /* Get NVRAM data into cache and calculate checksum. */
3584 dptr = (uint32_t *)nv;
3585 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3586 ha->nvram_size);
3587 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3588 chksum += le32_to_cpu(*dptr++);
3589
3590 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3591 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3592
3593 /* Bad NVRAM data, set defaults parameters. */
3594 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3595 || nv->id[3] != ' ' ||
3596 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3597 /* Reset NVRAM data. */
3598 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3599 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3600 le16_to_cpu(nv->nvram_version));
3601 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3602 "invalid -- WWPN) defaults.\n");
3603
3604 /*
3605 * Set default initialization control block.
3606 */
3607 memset(nv, 0, ha->nvram_size);
3608 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3609 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3610 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3611 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3612 nv->exchange_count = __constant_cpu_to_le16(0);
3613 nv->hard_address = __constant_cpu_to_le16(124);
3614 nv->port_name[0] = 0x21;
3615 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3616 nv->port_name[2] = 0x00;
3617 nv->port_name[3] = 0xe0;
3618 nv->port_name[4] = 0x8b;
3619 nv->port_name[5] = 0x1c;
3620 nv->port_name[6] = 0x55;
3621 nv->port_name[7] = 0x86;
3622 nv->node_name[0] = 0x20;
3623 nv->node_name[1] = 0x00;
3624 nv->node_name[2] = 0x00;
3625 nv->node_name[3] = 0xe0;
3626 nv->node_name[4] = 0x8b;
3627 nv->node_name[5] = 0x1c;
3628 nv->node_name[6] = 0x55;
3629 nv->node_name[7] = 0x86;
3630 qla24xx_nvram_wwn_from_ofw(vha, nv);
3631 nv->login_retry_count = __constant_cpu_to_le16(8);
3632 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3633 nv->login_timeout = __constant_cpu_to_le16(0);
3634 nv->firmware_options_1 =
3635 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3636 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3637 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3638 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3639 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3640 nv->efi_parameters = __constant_cpu_to_le32(0);
3641 nv->reset_delay = 5;
3642 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3643 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3644 nv->link_down_timeout = __constant_cpu_to_le16(30);
3645
3646 rval = 1;
3647 }
3648
3649 /* Reset Initialization control block */
3650 memset(icb, 0, ha->init_cb_size);
3651
3652 /* Copy 1st segment. */
3653 dptr1 = (uint8_t *)icb;
3654 dptr2 = (uint8_t *)&nv->version;
3655 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3656 while (cnt--)
3657 *dptr1++ = *dptr2++;
3658
3659 icb->login_retry_count = nv->login_retry_count;
3660 icb->link_down_on_nos = nv->link_down_on_nos;
3661
3662 /* Copy 2nd segment. */
3663 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3664 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3665 cnt = (uint8_t *)&icb->reserved_3 -
3666 (uint8_t *)&icb->interrupt_delay_timer;
3667 while (cnt--)
3668 *dptr1++ = *dptr2++;
3669
3670 /*
3671 * Setup driver NVRAM options.
3672 */
3673 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3674 "QLA2462");
3675
3676 /* Use alternate WWN? */
3677 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3678 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3679 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3680 }
3681
3682 /* Prepare nodename */
3683 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3684 /*
3685 * Firmware will apply the following mask if the nodename was
3686 * not provided.
3687 */
3688 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3689 icb->node_name[0] &= 0xF0;
3690 }
3691
3692 /* Set host adapter parameters. */
3693 ha->flags.disable_risc_code_load = 0;
3694 ha->flags.enable_lip_reset = 0;
3695 ha->flags.enable_lip_full_login =
3696 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3697 ha->flags.enable_target_reset =
3698 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3699 ha->flags.enable_led_scheme = 0;
3700 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3701
3702 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3703 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3704
3705 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3706 sizeof(ha->fw_seriallink_options24));
3707
3708 /* save HBA serial number */
3709 ha->serial0 = icb->port_name[5];
3710 ha->serial1 = icb->port_name[6];
3711 ha->serial2 = icb->port_name[7];
3712 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3713 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3714
3715 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3716
3717 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3718
3719 /* Set minimum login_timeout to 4 seconds. */
3720 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3721 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3722 if (le16_to_cpu(nv->login_timeout) < 4)
3723 nv->login_timeout = __constant_cpu_to_le16(4);
3724 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3725 icb->login_timeout = nv->login_timeout;
3726
3727 /* Set minimum RATOV to 100 tenths of a second. */
3728 ha->r_a_tov = 100;
3729
3730 ha->loop_reset_delay = nv->reset_delay;
3731
3732 /* Link Down Timeout = 0:
3733 *
3734 * When Port Down timer expires we will start returning
3735 * I/O's to OS with "DID_NO_CONNECT".
3736 *
3737 * Link Down Timeout != 0:
3738 *
3739 * The driver waits for the link to come up after link down
3740 * before returning I/Os to OS with "DID_NO_CONNECT".
3741 */
3742 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3743 ha->loop_down_abort_time =
3744 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3745 } else {
3746 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3747 ha->loop_down_abort_time =
3748 (LOOP_DOWN_TIME - ha->link_down_timeout);
3749 }
3750
3751 /* Need enough time to try and get the port back. */
3752 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3753 if (qlport_down_retry)
3754 ha->port_down_retry_count = qlport_down_retry;
3755
3756 /* Set login_retry_count */
3757 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3758 if (ha->port_down_retry_count ==
3759 le16_to_cpu(nv->port_down_retry_count) &&
3760 ha->port_down_retry_count > 3)
3761 ha->login_retry_count = ha->port_down_retry_count;
3762 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3763 ha->login_retry_count = ha->port_down_retry_count;
3764 if (ql2xloginretrycount)
3765 ha->login_retry_count = ql2xloginretrycount;
3766
3767 /* Enable ZIO. */
3768 if (!vha->flags.init_done) {
3769 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3770 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3771 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3772 le16_to_cpu(icb->interrupt_delay_timer): 2;
3773 }
3774 icb->firmware_options_2 &= __constant_cpu_to_le32(
3775 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3776 vha->flags.process_response_queue = 0;
3777 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3778 ha->zio_mode = QLA_ZIO_MODE_6;
3779
3780 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3781 "(%d us).\n", vha->host_no, ha->zio_mode,
3782 ha->zio_timer * 100));
3783 qla_printk(KERN_INFO, ha,
3784 "ZIO mode %d enabled; timer delay (%d us).\n",
3785 ha->zio_mode, ha->zio_timer * 100);
3786
3787 icb->firmware_options_2 |= cpu_to_le32(
3788 (uint32_t)ha->zio_mode);
3789 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3790 vha->flags.process_response_queue = 1;
3791 }
3792
3793 if (rval) {
3794 DEBUG2_3(printk(KERN_WARNING
3795 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3796 }
3797 return (rval);
3798 }
3799
3800 static int
3801 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3802 {
3803 int rval = QLA_SUCCESS;
3804 int segments, fragment;
3805 uint32_t faddr;
3806 uint32_t *dcode, dlen;
3807 uint32_t risc_addr;
3808 uint32_t risc_size;
3809 uint32_t i;
3810 struct qla_hw_data *ha = vha->hw;
3811 struct req_que *req = ha->req_q_map[0];
3812
3813 qla_printk(KERN_INFO, ha,
3814 "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3815
3816 rval = QLA_SUCCESS;
3817
3818 segments = FA_RISC_CODE_SEGMENTS;
3819 faddr = ha->flt_region_fw;
3820 dcode = (uint32_t *)req->ring;
3821 *srisc_addr = 0;
3822
3823 /* Validate firmware image by checking version. */
3824 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3825 for (i = 0; i < 4; i++)
3826 dcode[i] = be32_to_cpu(dcode[i]);
3827 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3828 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3829 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3830 dcode[3] == 0)) {
3831 qla_printk(KERN_WARNING, ha,
3832 "Unable to verify integrity of flash firmware image!\n");
3833 qla_printk(KERN_WARNING, ha,
3834 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3835 dcode[1], dcode[2], dcode[3]);
3836
3837 return QLA_FUNCTION_FAILED;
3838 }
3839
3840 while (segments && rval == QLA_SUCCESS) {
3841 /* Read segment's load information. */
3842 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3843
3844 risc_addr = be32_to_cpu(dcode[2]);
3845 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3846 risc_size = be32_to_cpu(dcode[3]);
3847
3848 fragment = 0;
3849 while (risc_size > 0 && rval == QLA_SUCCESS) {
3850 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3851 if (dlen > risc_size)
3852 dlen = risc_size;
3853
3854 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3855 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3856 vha->host_no, risc_addr, dlen, faddr));
3857
3858 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3859 for (i = 0; i < dlen; i++)
3860 dcode[i] = swab32(dcode[i]);
3861
3862 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3863 dlen);
3864 if (rval) {
3865 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3866 "segment %d of firmware\n", vha->host_no,
3867 fragment));
3868 qla_printk(KERN_WARNING, ha,
3869 "[ERROR] Failed to load segment %d of "
3870 "firmware\n", fragment);
3871 break;
3872 }
3873
3874 faddr += dlen;
3875 risc_addr += dlen;
3876 risc_size -= dlen;
3877 fragment++;
3878 }
3879
3880 /* Next segment. */
3881 segments--;
3882 }
3883
3884 return rval;
3885 }
3886
3887 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3888
3889 int
3890 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3891 {
3892 int rval;
3893 int i, fragment;
3894 uint16_t *wcode, *fwcode;
3895 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3896 struct fw_blob *blob;
3897 struct qla_hw_data *ha = vha->hw;
3898 struct req_que *req = ha->req_q_map[0];
3899
3900 /* Load firmware blob. */
3901 blob = qla2x00_request_firmware(vha);
3902 if (!blob) {
3903 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3904 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3905 "from: " QLA_FW_URL ".\n");
3906 return QLA_FUNCTION_FAILED;
3907 }
3908
3909 rval = QLA_SUCCESS;
3910
3911 wcode = (uint16_t *)req->ring;
3912 *srisc_addr = 0;
3913 fwcode = (uint16_t *)blob->fw->data;
3914 fwclen = 0;
3915
3916 /* Validate firmware image by checking version. */
3917 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3918 qla_printk(KERN_WARNING, ha,
3919 "Unable to verify integrity of firmware image (%Zd)!\n",
3920 blob->fw->size);
3921 goto fail_fw_integrity;
3922 }
3923 for (i = 0; i < 4; i++)
3924 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3925 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3926 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3927 wcode[2] == 0 && wcode[3] == 0)) {
3928 qla_printk(KERN_WARNING, ha,
3929 "Unable to verify integrity of firmware image!\n");
3930 qla_printk(KERN_WARNING, ha,
3931 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3932 wcode[1], wcode[2], wcode[3]);
3933 goto fail_fw_integrity;
3934 }
3935
3936 seg = blob->segs;
3937 while (*seg && rval == QLA_SUCCESS) {
3938 risc_addr = *seg;
3939 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3940 risc_size = be16_to_cpu(fwcode[3]);
3941
3942 /* Validate firmware image size. */
3943 fwclen += risc_size * sizeof(uint16_t);
3944 if (blob->fw->size < fwclen) {
3945 qla_printk(KERN_WARNING, ha,
3946 "Unable to verify integrity of firmware image "
3947 "(%Zd)!\n", blob->fw->size);
3948 goto fail_fw_integrity;
3949 }
3950
3951 fragment = 0;
3952 while (risc_size > 0 && rval == QLA_SUCCESS) {
3953 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3954 if (wlen > risc_size)
3955 wlen = risc_size;
3956
3957 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3958 "addr %x, number of words 0x%x.\n", vha->host_no,
3959 risc_addr, wlen));
3960
3961 for (i = 0; i < wlen; i++)
3962 wcode[i] = swab16(fwcode[i]);
3963
3964 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3965 wlen);
3966 if (rval) {
3967 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3968 "segment %d of firmware\n", vha->host_no,
3969 fragment));
3970 qla_printk(KERN_WARNING, ha,
3971 "[ERROR] Failed to load segment %d of "
3972 "firmware\n", fragment);
3973 break;
3974 }
3975
3976 fwcode += wlen;
3977 risc_addr += wlen;
3978 risc_size -= wlen;
3979 fragment++;
3980 }
3981
3982 /* Next segment. */
3983 seg++;
3984 }
3985 return rval;
3986
3987 fail_fw_integrity:
3988 return QLA_FUNCTION_FAILED;
3989 }
3990
3991 static int
3992 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3993 {
3994 int rval;
3995 int segments, fragment;
3996 uint32_t *dcode, dlen;
3997 uint32_t risc_addr;
3998 uint32_t risc_size;
3999 uint32_t i;
4000 struct fw_blob *blob;
4001 uint32_t *fwcode, fwclen;
4002 struct qla_hw_data *ha = vha->hw;
4003 struct req_que *req = ha->req_q_map[0];
4004
4005 /* Load firmware blob. */
4006 blob = qla2x00_request_firmware(vha);
4007 if (!blob) {
4008 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4009 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4010 "from: " QLA_FW_URL ".\n");
4011
4012 return QLA_FUNCTION_FAILED;
4013 }
4014
4015 qla_printk(KERN_INFO, ha,
4016 "FW: Loading via request-firmware...\n");
4017
4018 rval = QLA_SUCCESS;
4019
4020 segments = FA_RISC_CODE_SEGMENTS;
4021 dcode = (uint32_t *)req->ring;
4022 *srisc_addr = 0;
4023 fwcode = (uint32_t *)blob->fw->data;
4024 fwclen = 0;
4025
4026 /* Validate firmware image by checking version. */
4027 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4028 qla_printk(KERN_WARNING, ha,
4029 "Unable to verify integrity of firmware image (%Zd)!\n",
4030 blob->fw->size);
4031 goto fail_fw_integrity;
4032 }
4033 for (i = 0; i < 4; i++)
4034 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4035 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4036 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4037 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4038 dcode[3] == 0)) {
4039 qla_printk(KERN_WARNING, ha,
4040 "Unable to verify integrity of firmware image!\n");
4041 qla_printk(KERN_WARNING, ha,
4042 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4043 dcode[1], dcode[2], dcode[3]);
4044 goto fail_fw_integrity;
4045 }
4046
4047 while (segments && rval == QLA_SUCCESS) {
4048 risc_addr = be32_to_cpu(fwcode[2]);
4049 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4050 risc_size = be32_to_cpu(fwcode[3]);
4051
4052 /* Validate firmware image size. */
4053 fwclen += risc_size * sizeof(uint32_t);
4054 if (blob->fw->size < fwclen) {
4055 qla_printk(KERN_WARNING, ha,
4056 "Unable to verify integrity of firmware image "
4057 "(%Zd)!\n", blob->fw->size);
4058
4059 goto fail_fw_integrity;
4060 }
4061
4062 fragment = 0;
4063 while (risc_size > 0 && rval == QLA_SUCCESS) {
4064 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4065 if (dlen > risc_size)
4066 dlen = risc_size;
4067
4068 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4069 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4070 risc_addr, dlen));
4071
4072 for (i = 0; i < dlen; i++)
4073 dcode[i] = swab32(fwcode[i]);
4074
4075 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4076 dlen);
4077 if (rval) {
4078 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4079 "segment %d of firmware\n", vha->host_no,
4080 fragment));
4081 qla_printk(KERN_WARNING, ha,
4082 "[ERROR] Failed to load segment %d of "
4083 "firmware\n", fragment);
4084 break;
4085 }
4086
4087 fwcode += dlen;
4088 risc_addr += dlen;
4089 risc_size -= dlen;
4090 fragment++;
4091 }
4092
4093 /* Next segment. */
4094 segments--;
4095 }
4096 return rval;
4097
4098 fail_fw_integrity:
4099 return QLA_FUNCTION_FAILED;
4100 }
4101
4102 int
4103 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4104 {
4105 int rval;
4106
4107 /*
4108 * FW Load priority:
4109 * 1) Firmware via request-firmware interface (.bin file).
4110 * 2) Firmware residing in flash.
4111 */
4112 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4113 if (rval == QLA_SUCCESS)
4114 return rval;
4115
4116 return qla24xx_load_risc_flash(vha, srisc_addr);
4117 }
4118
4119 int
4120 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4121 {
4122 int rval;
4123
4124 /*
4125 * FW Load priority:
4126 * 1) Firmware residing in flash.
4127 * 2) Firmware via request-firmware interface (.bin file).
4128 */
4129 rval = qla24xx_load_risc_flash(vha, srisc_addr);
4130 if (rval == QLA_SUCCESS)
4131 return rval;
4132
4133 return qla24xx_load_risc_blob(vha, srisc_addr);
4134 }
4135
4136 void
4137 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4138 {
4139 int ret, retries;
4140 struct qla_hw_data *ha = vha->hw;
4141
4142 if (!IS_FWI2_CAPABLE(ha))
4143 return;
4144 if (!ha->fw_major_version)
4145 return;
4146
4147 ret = qla2x00_stop_firmware(vha);
4148 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4149 retries ; retries--) {
4150 ha->isp_ops->reset_chip(vha);
4151 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4152 continue;
4153 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4154 continue;
4155 qla_printk(KERN_INFO, ha,
4156 "Attempting retry of stop-firmware command...\n");
4157 ret = qla2x00_stop_firmware(vha);
4158 }
4159 }
4160
4161 int
4162 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4163 {
4164 int rval = QLA_SUCCESS;
4165 uint16_t mb[MAILBOX_REGISTER_COUNT];
4166 struct qla_hw_data *ha = vha->hw;
4167 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4168 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4169 struct rsp_que *rsp = req->rsp;
4170
4171 if (!vha->vp_idx)
4172 return -EINVAL;
4173
4174 rval = qla2x00_fw_ready(base_vha);
4175 if (rval == QLA_SUCCESS) {
4176 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4177 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4178 }
4179
4180 vha->flags.management_server_logged_in = 0;
4181
4182 /* Login to SNS first */
4183 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4184 if (mb[0] != MBS_COMMAND_COMPLETE) {
4185 DEBUG15(qla_printk(KERN_INFO, ha,
4186 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4187 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4188 mb[0], mb[1], mb[2], mb[6], mb[7]));
4189 return (QLA_FUNCTION_FAILED);
4190 }
4191
4192 atomic_set(&vha->loop_down_timer, 0);
4193 atomic_set(&vha->loop_state, LOOP_UP);
4194 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4195 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4196 rval = qla2x00_loop_resync(base_vha);
4197
4198 return rval;
4199 }
4200
4201 /* 84XX Support **************************************************************/
4202
4203 static LIST_HEAD(qla_cs84xx_list);
4204 static DEFINE_MUTEX(qla_cs84xx_mutex);
4205
4206 static struct qla_chip_state_84xx *
4207 qla84xx_get_chip(struct scsi_qla_host *vha)
4208 {
4209 struct qla_chip_state_84xx *cs84xx;
4210 struct qla_hw_data *ha = vha->hw;
4211
4212 mutex_lock(&qla_cs84xx_mutex);
4213
4214 /* Find any shared 84xx chip. */
4215 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4216 if (cs84xx->bus == ha->pdev->bus) {
4217 kref_get(&cs84xx->kref);
4218 goto done;
4219 }
4220 }
4221
4222 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4223 if (!cs84xx)
4224 goto done;
4225
4226 kref_init(&cs84xx->kref);
4227 spin_lock_init(&cs84xx->access_lock);
4228 mutex_init(&cs84xx->fw_update_mutex);
4229 cs84xx->bus = ha->pdev->bus;
4230
4231 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4232 done:
4233 mutex_unlock(&qla_cs84xx_mutex);
4234 return cs84xx;
4235 }
4236
4237 static void
4238 __qla84xx_chip_release(struct kref *kref)
4239 {
4240 struct qla_chip_state_84xx *cs84xx =
4241 container_of(kref, struct qla_chip_state_84xx, kref);
4242
4243 mutex_lock(&qla_cs84xx_mutex);
4244 list_del(&cs84xx->list);
4245 mutex_unlock(&qla_cs84xx_mutex);
4246 kfree(cs84xx);
4247 }
4248
4249 void
4250 qla84xx_put_chip(struct scsi_qla_host *vha)
4251 {
4252 struct qla_hw_data *ha = vha->hw;
4253 if (ha->cs84xx)
4254 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4255 }
4256
4257 static int
4258 qla84xx_init_chip(scsi_qla_host_t *vha)
4259 {
4260 int rval;
4261 uint16_t status[2];
4262 struct qla_hw_data *ha = vha->hw;
4263
4264 mutex_lock(&ha->cs84xx->fw_update_mutex);
4265
4266 rval = qla84xx_verify_chip(vha, status);
4267
4268 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4269
4270 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4271 QLA_SUCCESS;
4272 }
4273
4274 /* 81XX Support **************************************************************/
4275
4276 int
4277 qla81xx_nvram_config(scsi_qla_host_t *vha)
4278 {
4279 int rval;
4280 struct init_cb_81xx *icb;
4281 struct nvram_81xx *nv;
4282 uint32_t *dptr;
4283 uint8_t *dptr1, *dptr2;
4284 uint32_t chksum;
4285 uint16_t cnt;
4286 struct qla_hw_data *ha = vha->hw;
4287
4288 rval = QLA_SUCCESS;
4289 icb = (struct init_cb_81xx *)ha->init_cb;
4290 nv = ha->nvram;
4291
4292 /* Determine NVRAM starting address. */
4293 ha->nvram_size = sizeof(struct nvram_81xx);
4294 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4295
4296 /* Get VPD data into cache */
4297 ha->vpd = ha->nvram + VPD_OFFSET;
4298 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4299 ha->vpd_size);
4300
4301 /* Get NVRAM data into cache and calculate checksum. */
4302 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4303 ha->nvram_size);
4304 dptr = (uint32_t *)nv;
4305 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4306 chksum += le32_to_cpu(*dptr++);
4307
4308 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4309 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4310
4311 /* Bad NVRAM data, set defaults parameters. */
4312 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4313 || nv->id[3] != ' ' ||
4314 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4315 /* Reset NVRAM data. */
4316 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4317 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4318 le16_to_cpu(nv->nvram_version));
4319 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4320 "invalid -- WWPN) defaults.\n");
4321
4322 /*
4323 * Set default initialization control block.
4324 */
4325 memset(nv, 0, ha->nvram_size);
4326 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4327 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4328 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4329 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4330 nv->exchange_count = __constant_cpu_to_le16(0);
4331 nv->port_name[0] = 0x21;
4332 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4333 nv->port_name[2] = 0x00;
4334 nv->port_name[3] = 0xe0;
4335 nv->port_name[4] = 0x8b;
4336 nv->port_name[5] = 0x1c;
4337 nv->port_name[6] = 0x55;
4338 nv->port_name[7] = 0x86;
4339 nv->node_name[0] = 0x20;
4340 nv->node_name[1] = 0x00;
4341 nv->node_name[2] = 0x00;
4342 nv->node_name[3] = 0xe0;
4343 nv->node_name[4] = 0x8b;
4344 nv->node_name[5] = 0x1c;
4345 nv->node_name[6] = 0x55;
4346 nv->node_name[7] = 0x86;
4347 nv->login_retry_count = __constant_cpu_to_le16(8);
4348 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4349 nv->login_timeout = __constant_cpu_to_le16(0);
4350 nv->firmware_options_1 =
4351 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4352 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4353 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4354 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4355 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4356 nv->efi_parameters = __constant_cpu_to_le32(0);
4357 nv->reset_delay = 5;
4358 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4359 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4360 nv->link_down_timeout = __constant_cpu_to_le16(30);
4361 nv->enode_mac[0] = 0x01;
4362 nv->enode_mac[1] = 0x02;
4363 nv->enode_mac[2] = 0x03;
4364 nv->enode_mac[3] = 0x04;
4365 nv->enode_mac[4] = 0x05;
4366 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4367
4368 rval = 1;
4369 }
4370
4371 /* Reset Initialization control block */
4372 memset(icb, 0, sizeof(struct init_cb_81xx));
4373
4374 /* Copy 1st segment. */
4375 dptr1 = (uint8_t *)icb;
4376 dptr2 = (uint8_t *)&nv->version;
4377 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4378 while (cnt--)
4379 *dptr1++ = *dptr2++;
4380
4381 icb->login_retry_count = nv->login_retry_count;
4382
4383 /* Copy 2nd segment. */
4384 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4385 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4386 cnt = (uint8_t *)&icb->reserved_5 -
4387 (uint8_t *)&icb->interrupt_delay_timer;
4388 while (cnt--)
4389 *dptr1++ = *dptr2++;
4390
4391 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4392 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4393 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4394 icb->enode_mac[0] = 0x01;
4395 icb->enode_mac[1] = 0x02;
4396 icb->enode_mac[2] = 0x03;
4397 icb->enode_mac[3] = 0x04;
4398 icb->enode_mac[4] = 0x05;
4399 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4400 }
4401
4402 /* Use extended-initialization control block. */
4403 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4404
4405 /*
4406 * Setup driver NVRAM options.
4407 */
4408 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4409 "QLE81XX");
4410
4411 /* Use alternate WWN? */
4412 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4413 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4414 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4415 }
4416
4417 /* Prepare nodename */
4418 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4419 /*
4420 * Firmware will apply the following mask if the nodename was
4421 * not provided.
4422 */
4423 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4424 icb->node_name[0] &= 0xF0;
4425 }
4426
4427 /* Set host adapter parameters. */
4428 ha->flags.disable_risc_code_load = 0;
4429 ha->flags.enable_lip_reset = 0;
4430 ha->flags.enable_lip_full_login =
4431 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4432 ha->flags.enable_target_reset =
4433 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4434 ha->flags.enable_led_scheme = 0;
4435 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4436
4437 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4438 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4439
4440 /* save HBA serial number */
4441 ha->serial0 = icb->port_name[5];
4442 ha->serial1 = icb->port_name[6];
4443 ha->serial2 = icb->port_name[7];
4444 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4445 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4446
4447 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4448
4449 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4450
4451 /* Set minimum login_timeout to 4 seconds. */
4452 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4453 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4454 if (le16_to_cpu(nv->login_timeout) < 4)
4455 nv->login_timeout = __constant_cpu_to_le16(4);
4456 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4457 icb->login_timeout = nv->login_timeout;
4458
4459 /* Set minimum RATOV to 100 tenths of a second. */
4460 ha->r_a_tov = 100;
4461
4462 ha->loop_reset_delay = nv->reset_delay;
4463
4464 /* Link Down Timeout = 0:
4465 *
4466 * When Port Down timer expires we will start returning
4467 * I/O's to OS with "DID_NO_CONNECT".
4468 *
4469 * Link Down Timeout != 0:
4470 *
4471 * The driver waits for the link to come up after link down
4472 * before returning I/Os to OS with "DID_NO_CONNECT".
4473 */
4474 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4475 ha->loop_down_abort_time =
4476 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4477 } else {
4478 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4479 ha->loop_down_abort_time =
4480 (LOOP_DOWN_TIME - ha->link_down_timeout);
4481 }
4482
4483 /* Need enough time to try and get the port back. */
4484 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4485 if (qlport_down_retry)
4486 ha->port_down_retry_count = qlport_down_retry;
4487
4488 /* Set login_retry_count */
4489 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4490 if (ha->port_down_retry_count ==
4491 le16_to_cpu(nv->port_down_retry_count) &&
4492 ha->port_down_retry_count > 3)
4493 ha->login_retry_count = ha->port_down_retry_count;
4494 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4495 ha->login_retry_count = ha->port_down_retry_count;
4496 if (ql2xloginretrycount)
4497 ha->login_retry_count = ql2xloginretrycount;
4498
4499 /* Enable ZIO. */
4500 if (!vha->flags.init_done) {
4501 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4502 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4503 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4504 le16_to_cpu(icb->interrupt_delay_timer): 2;
4505 }
4506 icb->firmware_options_2 &= __constant_cpu_to_le32(
4507 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4508 vha->flags.process_response_queue = 0;
4509 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4510 ha->zio_mode = QLA_ZIO_MODE_6;
4511
4512 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4513 "(%d us).\n", vha->host_no, ha->zio_mode,
4514 ha->zio_timer * 100));
4515 qla_printk(KERN_INFO, ha,
4516 "ZIO mode %d enabled; timer delay (%d us).\n",
4517 ha->zio_mode, ha->zio_timer * 100);
4518
4519 icb->firmware_options_2 |= cpu_to_le32(
4520 (uint32_t)ha->zio_mode);
4521 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4522 vha->flags.process_response_queue = 1;
4523 }
4524
4525 if (rval) {
4526 DEBUG2_3(printk(KERN_WARNING
4527 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4528 }
4529 return (rval);
4530 }
4531
4532 void
4533 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4534 {
4535 }
x86 "subsystem" repository