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7
8#include <scsi/iscsi_if.h>
9#include "ql4_def.h"
10#include "ql4_glbl.h"
11#include "ql4_dbg.h"
12#include "ql4_inline.h"
13
14static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
15{
16 uint32_t value;
17 uint8_t func_number;
18 unsigned long flags;
19
20
21 spin_lock_irqsave(&ha->hardware_lock, flags);
22 value = readw(&ha->reg->ctrl_status);
23 spin_unlock_irqrestore(&ha->hardware_lock, flags);
24
25 func_number = (uint8_t) ((value >> 4) & 0x30);
26 switch (value & ISP_CONTROL_FN_MASK) {
27 case ISP_CONTROL_FN0_SCSI:
28 ha->mac_index = 1;
29 break;
30 case ISP_CONTROL_FN1_SCSI:
31 ha->mac_index = 3;
32 break;
33 default:
34 DEBUG2(printk("scsi%ld: %s: Invalid function number, "
35 "ispControlStatus = 0x%x\n", ha->host_no,
36 __func__, value));
37 break;
38 }
39 DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__,
40 ha->mac_index));
41}
42
43
44
45
46
47
48
49
50void qla4xxx_free_ddb(struct scsi_qla_host *ha,
51 struct ddb_entry *ddb_entry)
52{
53
54 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] =
55 (struct ddb_entry *) INVALID_ENTRY;
56 ha->tot_ddbs--;
57}
58
59
60
61
62
63
64
65
66static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha)
67{
68 uint16_t cnt;
69 struct response *pkt;
70
71 pkt = (struct response *)ha->response_ptr;
72 for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) {
73 pkt->signature = RESPONSE_PROCESSED;
74 pkt++;
75 }
76}
77
78
79
80
81
82
83
84
85
86int qla4xxx_init_rings(struct scsi_qla_host *ha)
87{
88 unsigned long flags = 0;
89 int i;
90
91
92 spin_lock_irqsave(&ha->hardware_lock, flags);
93 ha->request_out = 0;
94 ha->request_in = 0;
95 ha->request_ptr = &ha->request_ring[ha->request_in];
96 ha->req_q_count = REQUEST_QUEUE_DEPTH;
97
98
99 ha->response_in = 0;
100 ha->response_out = 0;
101 ha->response_ptr = &ha->response_ring[ha->response_out];
102
103 if (is_qla8022(ha)) {
104 writel(0,
105 (unsigned long __iomem *)&ha->qla4_82xx_reg->req_q_out);
106 writel(0,
107 (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_in);
108 writel(0,
109 (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_out);
110 } else if (is_qla8032(ha) || is_qla8042(ha)) {
111 writel(0,
112 (unsigned long __iomem *)&ha->qla4_83xx_reg->req_q_in);
113 writel(0,
114 (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_in);
115 writel(0,
116 (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_out);
117 } else {
118
119
120
121
122
123
124
125 ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
126 ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
127 wmb();
128
129 writel(0, &ha->reg->req_q_in);
130 writel(0, &ha->reg->rsp_q_out);
131 readl(&ha->reg->rsp_q_out);
132 }
133
134 qla4xxx_init_response_q_entries(ha);
135
136
137 for (i = 0; i < MAX_MRB; i++)
138 ha->active_mrb_array[i] = NULL;
139
140 spin_unlock_irqrestore(&ha->hardware_lock, flags);
141
142 return QLA_SUCCESS;
143}
144
145
146
147
148
149
150int qla4xxx_get_sys_info(struct scsi_qla_host *ha)
151{
152 struct flash_sys_info *sys_info;
153 dma_addr_t sys_info_dma;
154 int status = QLA_ERROR;
155
156 sys_info = dma_zalloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
157 &sys_info_dma, GFP_KERNEL);
158 if (sys_info == NULL) {
159 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
160 ha->host_no, __func__));
161
162 goto exit_get_sys_info_no_free;
163 }
164
165
166 if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO,
167 sizeof(*sys_info)) != QLA_SUCCESS) {
168 DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
169 "failed\n", ha->host_no, __func__));
170
171 goto exit_get_sys_info;
172 }
173
174
175 memcpy(ha->my_mac, &sys_info->physAddr[0].address[0],
176 min(sizeof(ha->my_mac),
177 sizeof(sys_info->physAddr[0].address)));
178 memcpy(ha->serial_number, &sys_info->acSerialNumber,
179 min(sizeof(ha->serial_number),
180 sizeof(sys_info->acSerialNumber)));
181
182 status = QLA_SUCCESS;
183
184exit_get_sys_info:
185 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
186 sys_info_dma);
187
188exit_get_sys_info_no_free:
189 return status;
190}
191
192
193
194
195
196
197static void qla4xxx_init_local_data(struct scsi_qla_host *ha)
198{
199
200 ha->aen_q_count = MAX_AEN_ENTRIES;
201}
202
203static uint8_t
204qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
205{
206 uint8_t ipv4_wait = 0;
207 uint8_t ipv6_wait = 0;
208 int8_t ip_address[IPv6_ADDR_LEN] = {0} ;
209
210
211
212
213 if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) {
214 if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) &&
215 ((ha->addl_fw_state &
216 FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
217 ipv4_wait = 1;
218 }
219 if (((ha->ip_config.ipv6_addl_options &
220 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
221 ((ha->ip_config.ipv6_link_local_state ==
222 IP_ADDRSTATE_ACQUIRING) ||
223 (ha->ip_config.ipv6_addr0_state ==
224 IP_ADDRSTATE_ACQUIRING) ||
225 (ha->ip_config.ipv6_addr1_state ==
226 IP_ADDRSTATE_ACQUIRING))) {
227
228 ipv6_wait = 1;
229
230 if ((ha->ip_config.ipv6_link_local_state ==
231 IP_ADDRSTATE_PREFERRED) ||
232 (ha->ip_config.ipv6_addr0_state ==
233 IP_ADDRSTATE_PREFERRED) ||
234 (ha->ip_config.ipv6_addr1_state ==
235 IP_ADDRSTATE_PREFERRED)) {
236 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
237 "Preferred IP configured."
238 " Don't wait!\n", ha->host_no,
239 __func__));
240 ipv6_wait = 0;
241 }
242 if (memcmp(&ha->ip_config.ipv6_default_router_addr,
243 ip_address, IPv6_ADDR_LEN) == 0) {
244 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
245 "No Router configured. "
246 "Don't wait!\n", ha->host_no,
247 __func__));
248 ipv6_wait = 0;
249 }
250 if ((ha->ip_config.ipv6_default_router_state ==
251 IPV6_RTRSTATE_MANUAL) &&
252 (ha->ip_config.ipv6_link_local_state ==
253 IP_ADDRSTATE_TENTATIVE) &&
254 (memcmp(&ha->ip_config.ipv6_link_local_addr,
255 &ha->ip_config.ipv6_default_router_addr, 4) ==
256 0)) {
257 DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
258 "IP configured. Don't wait!\n",
259 ha->host_no, __func__));
260 ipv6_wait = 0;
261 }
262 }
263 if (ipv4_wait || ipv6_wait) {
264 DEBUG2(printk("scsi%ld: %s: Wait for additional "
265 "IP(s) \"", ha->host_no, __func__));
266 if (ipv4_wait)
267 DEBUG2(printk("IPv4 "));
268 if (ha->ip_config.ipv6_link_local_state ==
269 IP_ADDRSTATE_ACQUIRING)
270 DEBUG2(printk("IPv6LinkLocal "));
271 if (ha->ip_config.ipv6_addr0_state ==
272 IP_ADDRSTATE_ACQUIRING)
273 DEBUG2(printk("IPv6Addr0 "));
274 if (ha->ip_config.ipv6_addr1_state ==
275 IP_ADDRSTATE_ACQUIRING)
276 DEBUG2(printk("IPv6Addr1 "));
277 DEBUG2(printk("\"\n"));
278 }
279 }
280
281 return ipv4_wait|ipv6_wait;
282}
283
284static int qla4_80xx_is_minidump_dma_capable(struct scsi_qla_host *ha,
285 struct qla4_8xxx_minidump_template_hdr *md_hdr)
286{
287 int offset = (is_qla8022(ha)) ? QLA8022_TEMPLATE_CAP_OFFSET :
288 QLA83XX_TEMPLATE_CAP_OFFSET;
289 int rval = 1;
290 uint32_t *cap_offset;
291
292 cap_offset = (uint32_t *)((char *)md_hdr + offset);
293
294 if (!(le32_to_cpu(*cap_offset) & BIT_0)) {
295 ql4_printk(KERN_INFO, ha, "PEX DMA Not supported %d\n",
296 *cap_offset);
297 rval = 0;
298 }
299
300 return rval;
301}
302
303
304
305
306
307void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha)
308{
309 int status;
310 uint32_t capture_debug_level;
311 int hdr_entry_bit, k;
312 void *md_tmp;
313 dma_addr_t md_tmp_dma;
314 struct qla4_8xxx_minidump_template_hdr *md_hdr;
315 int dma_capable;
316
317 if (ha->fw_dump) {
318 ql4_printk(KERN_WARNING, ha,
319 "Firmware dump previously allocated.\n");
320 return;
321 }
322
323 status = qla4xxx_req_template_size(ha);
324 if (status != QLA_SUCCESS) {
325 ql4_printk(KERN_INFO, ha,
326 "scsi%ld: Failed to get template size\n",
327 ha->host_no);
328 return;
329 }
330
331 clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
332
333
334 md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
335 &md_tmp_dma, GFP_KERNEL);
336 if (!md_tmp) {
337 ql4_printk(KERN_INFO, ha,
338 "scsi%ld: Failed to allocate DMA memory\n",
339 ha->host_no);
340 return;
341 }
342
343
344 status = qla4xxx_get_minidump_template(ha, md_tmp_dma);
345 if (status != QLA_SUCCESS) {
346 ql4_printk(KERN_INFO, ha,
347 "scsi%ld: Failed to get minidump template\n",
348 ha->host_no);
349 goto alloc_cleanup;
350 }
351
352 md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp;
353
354 dma_capable = qla4_80xx_is_minidump_dma_capable(ha, md_hdr);
355
356 capture_debug_level = md_hdr->capture_debug_level;
357
358
359 if ((ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) ||
360 (ql4xmdcapmask == 0xFF && dma_capable)) {
361 ha->fw_dump_capture_mask = ql4xmdcapmask;
362 } else {
363 if (ql4xmdcapmask == 0xFF)
364 ql4_printk(KERN_INFO, ha, "Falling back to default capture mask, as PEX DMA is not supported\n");
365 ha->fw_dump_capture_mask = capture_debug_level;
366 }
367
368 md_hdr->driver_capture_mask = ha->fw_dump_capture_mask;
369
370 DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n",
371 md_hdr->num_of_entries));
372 DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n",
373 ha->fw_dump_tmplt_size));
374 DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n",
375 ha->fw_dump_capture_mask));
376
377
378 for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF);
379 hdr_entry_bit <<= 1, k++) {
380 if (hdr_entry_bit & ha->fw_dump_capture_mask)
381 ha->fw_dump_size += md_hdr->capture_size_array[k];
382 }
383
384
385 ha->fw_dump_size += ha->fw_dump_tmplt_size;
386 ha->fw_dump = vmalloc(ha->fw_dump_size);
387 if (!ha->fw_dump)
388 goto alloc_cleanup;
389
390 DEBUG2(ql4_printk(KERN_INFO, ha,
391 "Minidump Template Size = 0x%x KB\n",
392 ha->fw_dump_tmplt_size));
393 DEBUG2(ql4_printk(KERN_INFO, ha,
394 "Total Minidump size = 0x%x KB\n", ha->fw_dump_size));
395
396 memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size);
397 ha->fw_dump_tmplt_hdr = ha->fw_dump;
398
399alloc_cleanup:
400 dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
401 md_tmp, md_tmp_dma);
402}
403
404static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
405{
406 uint32_t timeout_count;
407 int ready = 0;
408
409 DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n"));
410 for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0;
411 timeout_count--) {
412 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
413 qla4xxx_get_dhcp_ip_address(ha);
414
415
416 if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) {
417 DEBUG2(printk("scsi%ld: %s: unable to get firmware "
418 "state\n", ha->host_no, __func__));
419 break;
420 }
421
422 if (ha->firmware_state & FW_STATE_ERROR) {
423 DEBUG2(printk("scsi%ld: %s: an unrecoverable error has"
424 " occurred\n", ha->host_no, __func__));
425 break;
426
427 }
428 if (ha->firmware_state & FW_STATE_CONFIG_WAIT) {
429
430
431
432
433 if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR)
434 break;
435
436
437 continue;
438 }
439
440 if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
441 DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
442 "AUTOCONNECT in progress\n",
443 ha->host_no, __func__));
444 }
445
446 if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
447 DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
448 " CONFIGURING IP\n",
449 ha->host_no, __func__));
450
451
452
453
454
455
456
457 if (timeout_count <= (ADAPTER_INIT_TOV - 15)) {
458 if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) {
459 DEBUG2(printk(KERN_INFO "scsi%ld: %s:"
460 " LINK UP (Cable plugged)\n",
461 ha->host_no, __func__));
462 } else if (ha->firmware_state &
463 (FW_STATE_CONFIGURING_IP |
464 FW_STATE_READY)) {
465 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
466 "LINK DOWN (Cable unplugged)\n",
467 ha->host_no, __func__));
468 ha->firmware_state = FW_STATE_READY;
469 }
470 }
471 }
472
473 if (ha->firmware_state == FW_STATE_READY) {
474
475 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR,
476 &ha->dpc_flags))
477 qla4xxx_get_dhcp_ip_address(ha);
478
479 if (!qla4xxx_wait_for_ip_config(ha) ||
480 timeout_count == 1) {
481 DEBUG2(ql4_printk(KERN_INFO, ha,
482 "Firmware Ready..\n"));
483
484
485 DEBUG2(ql4_printk(KERN_INFO, ha,
486 "scsi%ld: %s: MEDIA TYPE"
487 " - %s\n", ha->host_no,
488 __func__, (ha->addl_fw_state &
489 FW_ADDSTATE_OPTICAL_MEDIA)
490 != 0 ? "OPTICAL" : "COPPER"));
491 DEBUG2(ql4_printk(KERN_INFO, ha,
492 "scsi%ld: %s: DHCPv4 STATE"
493 " Enabled %s\n", ha->host_no,
494 __func__, (ha->addl_fw_state &
495 FW_ADDSTATE_DHCPv4_ENABLED) != 0 ?
496 "YES" : "NO"));
497 DEBUG2(ql4_printk(KERN_INFO, ha,
498 "scsi%ld: %s: LINK %s\n",
499 ha->host_no, __func__,
500 (ha->addl_fw_state &
501 FW_ADDSTATE_LINK_UP) != 0 ?
502 "UP" : "DOWN"));
503 DEBUG2(ql4_printk(KERN_INFO, ha,
504 "scsi%ld: %s: iSNS Service "
505 "Started %s\n",
506 ha->host_no, __func__,
507 (ha->addl_fw_state &
508 FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
509 "YES" : "NO"));
510
511 ready = 1;
512 break;
513 }
514 }
515 DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
516 "seconds expired= %d\n", ha->host_no, __func__,
517 ha->firmware_state, ha->addl_fw_state,
518 timeout_count));
519 if (is_qla4032(ha) &&
520 !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
521 (timeout_count < ADAPTER_INIT_TOV - 5)) {
522 break;
523 }
524
525 msleep(1000);
526 }
527
528 if (timeout_count <= 0)
529 DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
530 ha->host_no, __func__));
531
532 if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
533 DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
534 "it's waiting to configure an IP address\n",
535 ha->host_no, __func__));
536 ready = 1;
537 } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
538 DEBUG2(printk("scsi%ld: %s: FW initialized, but "
539 "auto-discovery still in process\n",
540 ha->host_no, __func__));
541 ready = 1;
542 }
543
544 return ready;
545}
546
547
548
549
550
551
552static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
553{
554 int status = QLA_ERROR;
555
556 if (is_aer_supported(ha) &&
557 test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
558 return status;
559
560
561
562
563 if (is_qla80XX(ha))
564 qla4_8xxx_stop_firmware(ha);
565
566 ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
567 if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
568 DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
569 "control block\n", ha->host_no, __func__));
570 return status;
571 }
572
573 if (!qla4xxx_fw_ready(ha))
574 return status;
575
576 if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags))
577 qla4xxx_alloc_fw_dump(ha);
578
579 return qla4xxx_get_firmware_status(ha);
580}
581
582static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
583{
584 uint16_t board_id_string[8];
585 int i;
586 int size = sizeof(ha->nvram->isp4022.boardIdStr);
587 int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
588
589 for (i = 0; i < (size / 2) ; i++) {
590 board_id_string[i] = rd_nvram_word(ha, offset);
591 offset += 1;
592 }
593
594 memcpy(ha->model_name, board_id_string, size);
595}
596
597static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
598{
599 unsigned long flags;
600 union external_hw_config_reg extHwConfig;
601
602 DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no,
603 __func__));
604 if (ql4xxx_lock_flash(ha) != QLA_SUCCESS)
605 return QLA_ERROR;
606 if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) {
607 ql4xxx_unlock_flash(ha);
608 return QLA_ERROR;
609 }
610
611
612 ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n");
613 if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) {
614 spin_lock_irqsave(&ha->hardware_lock, flags);
615 extHwConfig.Asuint32_t =
616 rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha));
617 spin_unlock_irqrestore(&ha->hardware_lock, flags);
618 } else {
619 ql4_printk(KERN_WARNING, ha,
620 "scsi%ld: %s: EEProm checksum invalid. "
621 "Please update your EEPROM\n", ha->host_no,
622 __func__);
623
624
625 if (is_qla4010(ha))
626 extHwConfig.Asuint32_t = 0x1912;
627 else if (is_qla4022(ha) | is_qla4032(ha))
628 extHwConfig.Asuint32_t = 0x0023;
629 else
630 return QLA_ERROR;
631 }
632
633 if (is_qla4022(ha) || is_qla4032(ha))
634 qla4xxx_set_model_info(ha);
635 else
636 strcpy(ha->model_name, "QLA4010");
637
638 DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
639 ha->host_no, __func__, extHwConfig.Asuint32_t));
640
641 spin_lock_irqsave(&ha->hardware_lock, flags);
642 writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha));
643 readl(isp_ext_hw_conf(ha));
644 spin_unlock_irqrestore(&ha->hardware_lock, flags);
645
646 ql4xxx_unlock_nvram(ha);
647 ql4xxx_unlock_flash(ha);
648
649 return QLA_SUCCESS;
650}
651
652
653
654
655
656void qla4_8xxx_pci_config(struct scsi_qla_host *ha)
657{
658 pci_set_master(ha->pdev);
659}
660
661void qla4xxx_pci_config(struct scsi_qla_host *ha)
662{
663 uint16_t w;
664 int status;
665
666 ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
667
668 pci_set_master(ha->pdev);
669 status = pci_set_mwi(ha->pdev);
670
671
672
673
674
675 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
676 w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
677 w &= ~PCI_COMMAND_INTX_DISABLE;
678 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
679}
680
681static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
682{
683 int status = QLA_ERROR;
684 unsigned long max_wait_time;
685 unsigned long flags;
686 uint32_t mbox_status;
687
688 ql4_printk(KERN_INFO, ha, "Starting firmware ...\n");
689
690
691
692
693
694
695
696
697
698
699 DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n",
700 ha->host_no, __func__));
701
702 spin_lock_irqsave(&ha->hardware_lock, flags);
703 writel(jiffies, &ha->reg->mailbox[7]);
704 if (is_qla4022(ha) | is_qla4032(ha))
705 writel(set_rmask(NVR_WRITE_ENABLE),
706 &ha->reg->u1.isp4022.nvram);
707
708 writel(2, &ha->reg->mailbox[6]);
709 readl(&ha->reg->mailbox[6]);
710
711 writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status);
712 readl(&ha->reg->ctrl_status);
713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
714
715
716 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for "
717 "boot firmware to complete...\n",
718 ha->host_no, __func__, FIRMWARE_UP_TOV));
719 max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ);
720 do {
721 uint32_t ctrl_status;
722
723 spin_lock_irqsave(&ha->hardware_lock, flags);
724 ctrl_status = readw(&ha->reg->ctrl_status);
725 mbox_status = readw(&ha->reg->mailbox[0]);
726 spin_unlock_irqrestore(&ha->hardware_lock, flags);
727
728 if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR))
729 break;
730 if (mbox_status == MBOX_STS_COMMAND_COMPLETE)
731 break;
732
733 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot "
734 "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n",
735 ha->host_no, __func__, ctrl_status, max_wait_time));
736
737 msleep_interruptible(250);
738 } while (!time_after_eq(jiffies, max_wait_time));
739
740 if (mbox_status == MBOX_STS_COMMAND_COMPLETE) {
741 DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n",
742 ha->host_no, __func__));
743
744 spin_lock_irqsave(&ha->hardware_lock, flags);
745 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
746 &ha->reg->ctrl_status);
747 readl(&ha->reg->ctrl_status);
748 spin_unlock_irqrestore(&ha->hardware_lock, flags);
749
750 status = QLA_SUCCESS;
751 } else {
752 printk(KERN_INFO "scsi%ld: %s: Boot firmware failed "
753 "- mbox status 0x%x\n", ha->host_no, __func__,
754 mbox_status);
755 status = QLA_ERROR;
756 }
757 return status;
758}
759
760int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
761{
762#define QL4_LOCK_DRVR_WAIT 60
763#define QL4_LOCK_DRVR_SLEEP 1
764
765 int drvr_wait = QL4_LOCK_DRVR_WAIT;
766 while (drvr_wait) {
767 if (ql4xxx_lock_drvr(a) == 0) {
768 ssleep(QL4_LOCK_DRVR_SLEEP);
769 if (drvr_wait) {
770 DEBUG2(printk("scsi%ld: %s: Waiting for "
771 "Global Init Semaphore(%d)...\n",
772 a->host_no,
773 __func__, drvr_wait));
774 }
775 drvr_wait -= QL4_LOCK_DRVR_SLEEP;
776 } else {
777 DEBUG2(printk("scsi%ld: %s: Global Init Semaphore "
778 "acquired\n", a->host_no, __func__));
779 return QLA_SUCCESS;
780 }
781 }
782 return QLA_ERROR;
783}
784
785
786
787
788
789
790
791
792int qla4xxx_start_firmware(struct scsi_qla_host *ha)
793{
794 unsigned long flags = 0;
795 uint32_t mbox_status;
796 int status = QLA_ERROR;
797 int soft_reset = 1;
798 int config_chip = 0;
799
800 if (is_qla4022(ha) | is_qla4032(ha))
801 ql4xxx_set_mac_number(ha);
802
803 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
804 return QLA_ERROR;
805
806 spin_lock_irqsave(&ha->hardware_lock, flags);
807
808 DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no,
809 __func__, readw(isp_port_ctrl(ha))));
810 DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no,
811 __func__, readw(isp_port_status(ha))));
812
813
814 if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) {
815 DEBUG(printk("scsi%ld: %s: Hardware has already been "
816 "initialized\n", ha->host_no, __func__));
817
818
819 mbox_status = readw(&ha->reg->mailbox[0]);
820
821 DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= "
822 "0x%x\n", ha->host_no, __func__, mbox_status));
823
824
825 if (mbox_status == 0) {
826
827 config_chip = 1;
828 soft_reset = 0;
829 } else {
830 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
831 &ha->reg->ctrl_status);
832 readl(&ha->reg->ctrl_status);
833 writel(set_rmask(CSR_SCSI_COMPLETION_INTR),
834 &ha->reg->ctrl_status);
835 readl(&ha->reg->ctrl_status);
836 spin_unlock_irqrestore(&ha->hardware_lock, flags);
837 if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) {
838 DEBUG2(printk("scsi%ld: %s: Get firmware "
839 "state -- state = 0x%x\n",
840 ha->host_no,
841 __func__, ha->firmware_state));
842
843 if (ha->firmware_state &
844 FW_STATE_CONFIG_WAIT) {
845 DEBUG2(printk("scsi%ld: %s: Firmware "
846 "in known state -- "
847 "config and "
848 "boot, state = 0x%x\n",
849 ha->host_no, __func__,
850 ha->firmware_state));
851 config_chip = 1;
852 soft_reset = 0;
853 }
854 } else {
855 DEBUG2(printk("scsi%ld: %s: Firmware in "
856 "unknown state -- resetting,"
857 " state = "
858 "0x%x\n", ha->host_no, __func__,
859 ha->firmware_state));
860 }
861 spin_lock_irqsave(&ha->hardware_lock, flags);
862 }
863 } else {
864 DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been "
865 "started - resetting\n", ha->host_no, __func__));
866 }
867 spin_unlock_irqrestore(&ha->hardware_lock, flags);
868
869 DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ",
870 ha->host_no, __func__, soft_reset, config_chip));
871 if (soft_reset) {
872 DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no,
873 __func__));
874 status = qla4xxx_soft_reset(ha);
875
876 if (status == QLA_ERROR) {
877 DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
878 ha->host_no, __func__));
879 ql4xxx_unlock_drvr(ha);
880 return QLA_ERROR;
881 }
882 config_chip = 1;
883
884
885 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
886 return QLA_ERROR;
887 }
888
889 if (config_chip) {
890 if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS)
891 status = qla4xxx_start_firmware_from_flash(ha);
892 }
893
894 ql4xxx_unlock_drvr(ha);
895 if (status == QLA_SUCCESS) {
896 if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags))
897 qla4xxx_get_crash_record(ha);
898
899 qla4xxx_init_rings(ha);
900 } else {
901 DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n",
902 ha->host_no, __func__));
903 }
904 return status;
905}
906
907
908
909
910
911
912
913
914void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
915{
916 int max_ddbs;
917 int ret;
918 uint32_t idx = 0, next_idx = 0;
919 uint32_t state = 0, conn_err = 0;
920
921 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
922 MAX_DEV_DB_ENTRIES;
923
924 for (idx = 0; idx < max_ddbs; idx = next_idx) {
925 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
926 &next_idx, &state, &conn_err,
927 NULL, NULL);
928 if (ret == QLA_ERROR) {
929 next_idx++;
930 continue;
931 }
932 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
933 state == DDB_DS_SESSION_FAILED) {
934 DEBUG2(ql4_printk(KERN_INFO, ha,
935 "Freeing DDB index = 0x%x\n", idx));
936 ret = qla4xxx_clear_ddb_entry(ha, idx);
937 if (ret == QLA_ERROR)
938 ql4_printk(KERN_ERR, ha,
939 "Unable to clear DDB index = "
940 "0x%x\n", idx);
941 }
942 if (next_idx == 0)
943 break;
944 }
945}
946
947
948
949
950
951
952
953
954int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
955{
956 int status = QLA_ERROR;
957
958 ha->eeprom_cmd_data = 0;
959
960 ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
961 ha->isp_ops->pci_config(ha);
962
963 ha->isp_ops->disable_intrs(ha);
964
965
966 if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
967 goto exit_init_hba;
968
969
970
971
972
973
974
975
976 if (is_qla8032(ha) || is_qla8042(ha))
977 qla4_83xx_enable_mbox_intrs(ha);
978
979 if (qla4xxx_about_firmware(ha) == QLA_ERROR)
980 goto exit_init_hba;
981
982 if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
983 goto exit_init_hba;
984
985 qla4xxx_init_local_data(ha);
986
987 status = qla4xxx_init_firmware(ha);
988 if (status == QLA_ERROR)
989 goto exit_init_hba;
990
991 if (is_reset == RESET_ADAPTER)
992 qla4xxx_build_ddb_list(ha, is_reset);
993
994 set_bit(AF_ONLINE, &ha->flags);
995
996exit_init_hba:
997 DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no,
998 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
999 return status;
1000}
1001
1002int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
1003 struct ddb_entry *ddb_entry, uint32_t state)
1004{
1005 uint32_t old_fw_ddb_device_state;
1006 int status = QLA_ERROR;
1007
1008 old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
1009 DEBUG2(ql4_printk(KERN_INFO, ha,
1010 "%s: DDB - old state = 0x%x, new state = 0x%x for "
1011 "index [%d]\n", __func__,
1012 ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
1013
1014 ddb_entry->fw_ddb_device_state = state;
1015
1016 switch (old_fw_ddb_device_state) {
1017 case DDB_DS_LOGIN_IN_PROCESS:
1018 switch (state) {
1019 case DDB_DS_SESSION_ACTIVE:
1020 case DDB_DS_DISCOVERY:
1021 qla4xxx_update_session_conn_param(ha, ddb_entry);
1022 ddb_entry->unblock_sess(ddb_entry->sess);
1023 status = QLA_SUCCESS;
1024 break;
1025 case DDB_DS_SESSION_FAILED:
1026 case DDB_DS_NO_CONNECTION_ACTIVE:
1027 iscsi_conn_login_event(ddb_entry->conn,
1028 ISCSI_CONN_STATE_FREE);
1029 status = QLA_SUCCESS;
1030 break;
1031 }
1032 break;
1033 case DDB_DS_SESSION_ACTIVE:
1034 case DDB_DS_DISCOVERY:
1035 switch (state) {
1036 case DDB_DS_SESSION_FAILED:
1037
1038
1039
1040
1041
1042 iscsi_session_failure(ddb_entry->sess->dd_data,
1043 ISCSI_ERR_CONN_FAILED);
1044 status = QLA_SUCCESS;
1045 break;
1046 case DDB_DS_NO_CONNECTION_ACTIVE:
1047 clear_bit(fw_ddb_index, ha->ddb_idx_map);
1048 status = QLA_SUCCESS;
1049 break;
1050 }
1051 break;
1052 case DDB_DS_SESSION_FAILED:
1053 switch (state) {
1054 case DDB_DS_SESSION_ACTIVE:
1055 case DDB_DS_DISCOVERY:
1056 ddb_entry->unblock_sess(ddb_entry->sess);
1057 qla4xxx_update_session_conn_param(ha, ddb_entry);
1058 status = QLA_SUCCESS;
1059 break;
1060 case DDB_DS_SESSION_FAILED:
1061 iscsi_session_failure(ddb_entry->sess->dd_data,
1062 ISCSI_ERR_CONN_FAILED);
1063 status = QLA_SUCCESS;
1064 break;
1065 }
1066 break;
1067 default:
1068 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
1069 __func__));
1070 break;
1071 }
1072 return status;
1073}
1074
1075void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
1076{
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090 atomic_set(&ddb_entry->relogin_timer, 0);
1091 atomic_set(&ddb_entry->retry_relogin_timer,
1092 ddb_entry->default_time2wait + 4);
1093
1094}
1095
1096int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
1097 struct ddb_entry *ddb_entry, uint32_t state)
1098{
1099 uint32_t old_fw_ddb_device_state;
1100 int status = QLA_ERROR;
1101
1102 old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
1103 DEBUG2(ql4_printk(KERN_INFO, ha,
1104 "%s: DDB - old state = 0x%x, new state = 0x%x for "
1105 "index [%d]\n", __func__,
1106 ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
1107
1108 ddb_entry->fw_ddb_device_state = state;
1109
1110 switch (old_fw_ddb_device_state) {
1111 case DDB_DS_LOGIN_IN_PROCESS:
1112 case DDB_DS_NO_CONNECTION_ACTIVE:
1113 switch (state) {
1114 case DDB_DS_SESSION_ACTIVE:
1115 ddb_entry->unblock_sess(ddb_entry->sess);
1116 qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
1117 status = QLA_SUCCESS;
1118 break;
1119 case DDB_DS_SESSION_FAILED:
1120 iscsi_block_session(ddb_entry->sess);
1121 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1122 qla4xxx_arm_relogin_timer(ddb_entry);
1123 status = QLA_SUCCESS;
1124 break;
1125 }
1126 break;
1127 case DDB_DS_SESSION_ACTIVE:
1128 switch (state) {
1129 case DDB_DS_SESSION_FAILED:
1130 iscsi_block_session(ddb_entry->sess);
1131 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1132 qla4xxx_arm_relogin_timer(ddb_entry);
1133 status = QLA_SUCCESS;
1134 break;
1135 }
1136 break;
1137 case DDB_DS_SESSION_FAILED:
1138 switch (state) {
1139 case DDB_DS_SESSION_ACTIVE:
1140 ddb_entry->unblock_sess(ddb_entry->sess);
1141 qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
1142 status = QLA_SUCCESS;
1143 break;
1144 case DDB_DS_SESSION_FAILED:
1145 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1146 qla4xxx_arm_relogin_timer(ddb_entry);
1147 status = QLA_SUCCESS;
1148 break;
1149 }
1150 break;
1151 default:
1152 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
1153 __func__));
1154 break;
1155 }
1156 return status;
1157}
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
1168 uint32_t fw_ddb_index,
1169 uint32_t state, uint32_t conn_err)
1170{
1171 struct ddb_entry *ddb_entry;
1172 int status = QLA_ERROR;
1173
1174
1175 if (fw_ddb_index >= MAX_DDB_ENTRIES)
1176 goto exit_ddb_event;
1177
1178
1179 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
1180
1181 if (ddb_entry == NULL) {
1182 ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
1183 __func__, fw_ddb_index);
1184
1185 if (state == DDB_DS_NO_CONNECTION_ACTIVE)
1186 clear_bit(fw_ddb_index, ha->ddb_idx_map);
1187
1188 goto exit_ddb_event;
1189 }
1190
1191 ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
1192
1193exit_ddb_event:
1194 return status;
1195}
1196
1197
1198
1199
1200
1201
1202
1203
1204void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
1205{
1206 struct iscsi_session *sess;
1207 struct ddb_entry *ddb_entry;
1208 struct scsi_qla_host *ha;
1209 struct dev_db_entry *fw_ddb_entry = NULL;
1210 dma_addr_t fw_ddb_dma;
1211 uint32_t mbx_sts = 0;
1212 int ret;
1213
1214 sess = cls_session->dd_data;
1215 ddb_entry = sess->dd_data;
1216 ha = ddb_entry->ha;
1217
1218 if (!test_bit(AF_LINK_UP, &ha->flags))
1219 return;
1220
1221 if (ddb_entry->ddb_type != FLASH_DDB) {
1222 DEBUG2(ql4_printk(KERN_INFO, ha,
1223 "Skipping login to non FLASH DB"));
1224 goto exit_login;
1225 }
1226
1227 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
1228 &fw_ddb_dma);
1229 if (fw_ddb_entry == NULL) {
1230 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
1231 goto exit_login;
1232 }
1233
1234 if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
1235 ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
1236 if (ret == QLA_ERROR)
1237 goto exit_login;
1238
1239 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
1240 ha->tot_ddbs++;
1241 }
1242
1243 memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
1244 sizeof(struct dev_db_entry));
1245 ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
1246
1247 ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1248 fw_ddb_dma, &mbx_sts);
1249 if (ret == QLA_ERROR) {
1250 DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
1251 goto exit_login;
1252 }
1253
1254 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
1255 ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
1256 if (ret == QLA_ERROR) {
1257 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
1258 sess->targetname);
1259 goto exit_login;
1260 }
1261
1262exit_login:
1263 if (fw_ddb_entry)
1264 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
1265}
1266
1267
