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2045fd79095f366aae893073defbc0e7d14d18cd
[deliverable/linux.git] / drivers / scsi / qla4xxx / ql4_init.c
1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2012 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
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
14 static 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 /* Get the function number */
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 * qla4xxx_free_ddb - deallocate ddb
45 * @ha: pointer to host adapter structure.
46 * @ddb_entry: pointer to device database entry
47 *
48 * This routine marks a DDB entry INVALID
49 **/
50 void qla4xxx_free_ddb(struct scsi_qla_host *ha,
51 struct ddb_entry *ddb_entry)
52 {
53 /* Remove device pointer from index mapping arrays */
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 * qla4xxx_init_response_q_entries() - Initializes response queue entries.
61 * @ha: HA context
62 *
63 * Beginning of request ring has initialization control block already built
64 * by nvram config routine.
65 **/
66 static 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 * qla4xxx_init_rings - initialize hw queues
80 * @ha: pointer to host adapter structure.
81 *
82 * This routine initializes the internal queues for the specified adapter.
83 * The QLA4010 requires us to restart the queues at index 0.
84 * The QLA4000 doesn't care, so just default to QLA4010's requirement.
85 **/
86 int qla4xxx_init_rings(struct scsi_qla_host *ha)
87 {
88 unsigned long flags = 0;
89 int i;
90
91 /* Initialize request queue. */
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 /* Initialize response queue. */
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)) {
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 * Initialize DMA Shadow registers. The firmware is really
120 * supposed to take care of this, but on some uniprocessor
121 * systems, the shadow registers aren't cleared-- causing
122 * the interrupt_handler to think there are responses to be
123 * processed when there aren't.
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 /* Initialize mailbox active array */
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 * qla4xxx_get_sys_info - validate adapter MAC address(es)
147 * @ha: pointer to host adapter structure.
148 *
149 **/
150 int 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_alloc_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 memset(sys_info, 0, sizeof(*sys_info));
165
166 /* Get flash sys info */
167 if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO,
168 sizeof(*sys_info)) != QLA_SUCCESS) {
169 DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
170 "failed\n", ha->host_no, __func__));
171
172 goto exit_get_sys_info;
173 }
174
175 /* Save M.A.C. address & serial_number */
176 memcpy(ha->my_mac, &sys_info->physAddr[0].address[0],
177 min(sizeof(ha->my_mac),
178 sizeof(sys_info->physAddr[0].address)));
179 memcpy(ha->serial_number, &sys_info->acSerialNumber,
180 min(sizeof(ha->serial_number),
181 sizeof(sys_info->acSerialNumber)));
182
183 status = QLA_SUCCESS;
184
185 exit_get_sys_info:
186 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
187 sys_info_dma);
188
189 exit_get_sys_info_no_free:
190 return status;
191 }
192
193 /**
194 * qla4xxx_init_local_data - initialize adapter specific local data
195 * @ha: pointer to host adapter structure.
196 *
197 **/
198 static int qla4xxx_init_local_data(struct scsi_qla_host *ha)
199 {
200 /* Initialize aen queue */
201 ha->aen_q_count = MAX_AEN_ENTRIES;
202
203 return qla4xxx_get_firmware_status(ha);
204 }
205
206 static uint8_t
207 qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
208 {
209 uint8_t ipv4_wait = 0;
210 uint8_t ipv6_wait = 0;
211 int8_t ip_address[IPv6_ADDR_LEN] = {0} ;
212
213 /* If both IPv4 & IPv6 are enabled, possibly only one
214 * IP address may be acquired, so check to see if we
215 * need to wait for another */
216 if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) {
217 if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) &&
218 ((ha->addl_fw_state &
219 FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
220 ipv4_wait = 1;
221 }
222 if (((ha->ip_config.ipv6_addl_options &
223 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
224 ((ha->ip_config.ipv6_link_local_state ==
225 IP_ADDRSTATE_ACQUIRING) ||
226 (ha->ip_config.ipv6_addr0_state ==
227 IP_ADDRSTATE_ACQUIRING) ||
228 (ha->ip_config.ipv6_addr1_state ==
229 IP_ADDRSTATE_ACQUIRING))) {
230
231 ipv6_wait = 1;
232
233 if ((ha->ip_config.ipv6_link_local_state ==
234 IP_ADDRSTATE_PREFERRED) ||
235 (ha->ip_config.ipv6_addr0_state ==
236 IP_ADDRSTATE_PREFERRED) ||
237 (ha->ip_config.ipv6_addr1_state ==
238 IP_ADDRSTATE_PREFERRED)) {
239 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
240 "Preferred IP configured."
241 " Don't wait!\n", ha->host_no,
242 __func__));
243 ipv6_wait = 0;
244 }
245 if (memcmp(&ha->ip_config.ipv6_default_router_addr,
246 ip_address, IPv6_ADDR_LEN) == 0) {
247 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
248 "No Router configured. "
249 "Don't wait!\n", ha->host_no,
250 __func__));
251 ipv6_wait = 0;
252 }
253 if ((ha->ip_config.ipv6_default_router_state ==
254 IPV6_RTRSTATE_MANUAL) &&
255 (ha->ip_config.ipv6_link_local_state ==
256 IP_ADDRSTATE_TENTATIVE) &&
257 (memcmp(&ha->ip_config.ipv6_link_local_addr,
258 &ha->ip_config.ipv6_default_router_addr, 4) ==
259 0)) {
260 DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
261 "IP configured. Don't wait!\n",
262 ha->host_no, __func__));
263 ipv6_wait = 0;
264 }
265 }
266 if (ipv4_wait || ipv6_wait) {
267 DEBUG2(printk("scsi%ld: %s: Wait for additional "
268 "IP(s) \"", ha->host_no, __func__));
269 if (ipv4_wait)
270 DEBUG2(printk("IPv4 "));
271 if (ha->ip_config.ipv6_link_local_state ==
272 IP_ADDRSTATE_ACQUIRING)
273 DEBUG2(printk("IPv6LinkLocal "));
274 if (ha->ip_config.ipv6_addr0_state ==
275 IP_ADDRSTATE_ACQUIRING)
276 DEBUG2(printk("IPv6Addr0 "));
277 if (ha->ip_config.ipv6_addr1_state ==
278 IP_ADDRSTATE_ACQUIRING)
279 DEBUG2(printk("IPv6Addr1 "));
280 DEBUG2(printk("\"\n"));
281 }
282 }
283
284 return ipv4_wait|ipv6_wait;
285 }
286
287 /**
288 * qla4xxx_alloc_fw_dump - Allocate memory for minidump data.
289 * @ha: pointer to host adapter structure.
290 **/
291 void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha)
292 {
293 int status;
294 uint32_t capture_debug_level;
295 int hdr_entry_bit, k;
296 void *md_tmp;
297 dma_addr_t md_tmp_dma;
298 struct qla4_8xxx_minidump_template_hdr *md_hdr;
299
300 if (ha->fw_dump) {
301 ql4_printk(KERN_WARNING, ha,
302 "Firmware dump previously allocated.\n");
303 return;
304 }
305
306 status = qla4xxx_req_template_size(ha);
307 if (status != QLA_SUCCESS) {
308 ql4_printk(KERN_INFO, ha,
309 "scsi%ld: Failed to get template size\n",
310 ha->host_no);
311 return;
312 }
313
314 clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
315
316 /* Allocate memory for saving the template */
317 md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
318 &md_tmp_dma, GFP_KERNEL);
319
320 /* Request template */
321 status = qla4xxx_get_minidump_template(ha, md_tmp_dma);
322 if (status != QLA_SUCCESS) {
323 ql4_printk(KERN_INFO, ha,
324 "scsi%ld: Failed to get minidump template\n",
325 ha->host_no);
326 goto alloc_cleanup;
327 }
328
329 md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp;
330
331 capture_debug_level = md_hdr->capture_debug_level;
332
333 /* Get capture mask based on module loadtime setting. */
334 if (ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F)
335 ha->fw_dump_capture_mask = ql4xmdcapmask;
336 else
337 ha->fw_dump_capture_mask = capture_debug_level;
338
339 md_hdr->driver_capture_mask = ha->fw_dump_capture_mask;
340
341 DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n",
342 md_hdr->num_of_entries));
343 DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n",
344 ha->fw_dump_tmplt_size));
345 DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n",
346 ha->fw_dump_capture_mask));
347
348 /* Calculate fw_dump_size */
349 for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF);
350 hdr_entry_bit <<= 1, k++) {
351 if (hdr_entry_bit & ha->fw_dump_capture_mask)
352 ha->fw_dump_size += md_hdr->capture_size_array[k];
353 }
354
355 /* Total firmware dump size including command header */
356 ha->fw_dump_size += ha->fw_dump_tmplt_size;
357 ha->fw_dump = vmalloc(ha->fw_dump_size);
358 if (!ha->fw_dump)
359 goto alloc_cleanup;
360
361 DEBUG2(ql4_printk(KERN_INFO, ha,
362 "Minidump Tempalate Size = 0x%x KB\n",
363 ha->fw_dump_tmplt_size));
364 DEBUG2(ql4_printk(KERN_INFO, ha,
365 "Total Minidump size = 0x%x KB\n", ha->fw_dump_size));
366
367 memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size);
368 ha->fw_dump_tmplt_hdr = ha->fw_dump;
369
370 alloc_cleanup:
371 dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
372 md_tmp, md_tmp_dma);
373 }
374
375 static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
376 {
377 uint32_t timeout_count;
378 int ready = 0;
379
380 DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n"));
381 for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0;
382 timeout_count--) {
383 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
384 qla4xxx_get_dhcp_ip_address(ha);
385
386 /* Get firmware state. */
387 if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) {
388 DEBUG2(printk("scsi%ld: %s: unable to get firmware "
389 "state\n", ha->host_no, __func__));
390 break;
391 }
392
393 if (ha->firmware_state & FW_STATE_ERROR) {
394 DEBUG2(printk("scsi%ld: %s: an unrecoverable error has"
395 " occurred\n", ha->host_no, __func__));
396 break;
397
398 }
399 if (ha->firmware_state & FW_STATE_CONFIG_WAIT) {
400 /*
401 * The firmware has not yet been issued an Initialize
402 * Firmware command, so issue it now.
403 */
404 if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR)
405 break;
406
407 /* Go back and test for ready state - no wait. */
408 continue;
409 }
410
411 if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
412 DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
413 "AUTOCONNECT in progress\n",
414 ha->host_no, __func__));
415 }
416
417 if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
418 DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
419 " CONFIGURING IP\n",
420 ha->host_no, __func__));
421 /*
422 * Check for link state after 15 secs and if link is
423 * still DOWN then, cable is unplugged. Ignore "DHCP
424 * in Progress/CONFIGURING IP" bit to check if firmware
425 * is in ready state or not after 15 secs.
426 * This is applicable for both 2.x & 3.x firmware
427 */
428 if (timeout_count <= (ADAPTER_INIT_TOV - 15)) {
429 if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) {
430 DEBUG2(printk(KERN_INFO "scsi%ld: %s:"
431 " LINK UP (Cable plugged)\n",
432 ha->host_no, __func__));
433 } else if (ha->firmware_state &
434 (FW_STATE_CONFIGURING_IP |
435 FW_STATE_READY)) {
436 DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
437 "LINK DOWN (Cable unplugged)\n",
438 ha->host_no, __func__));
439 ha->firmware_state = FW_STATE_READY;
440 }
441 }
442 }
443
444 if (ha->firmware_state == FW_STATE_READY) {
445 /* If DHCP IP Addr is available, retrieve it now. */
446 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR,
447 &ha->dpc_flags))
448 qla4xxx_get_dhcp_ip_address(ha);
449
450 if (!qla4xxx_wait_for_ip_config(ha) ||
451 timeout_count == 1) {
452 DEBUG2(ql4_printk(KERN_INFO, ha,
453 "Firmware Ready..\n"));
454 /* The firmware is ready to process SCSI
455 commands. */
456 DEBUG2(ql4_printk(KERN_INFO, ha,
457 "scsi%ld: %s: MEDIA TYPE"
458 " - %s\n", ha->host_no,
459 __func__, (ha->addl_fw_state &
460 FW_ADDSTATE_OPTICAL_MEDIA)
461 != 0 ? "OPTICAL" : "COPPER"));
462 DEBUG2(ql4_printk(KERN_INFO, ha,
463 "scsi%ld: %s: DHCPv4 STATE"
464 " Enabled %s\n", ha->host_no,
465 __func__, (ha->addl_fw_state &
466 FW_ADDSTATE_DHCPv4_ENABLED) != 0 ?
467 "YES" : "NO"));
468 DEBUG2(ql4_printk(KERN_INFO, ha,
469 "scsi%ld: %s: LINK %s\n",
470 ha->host_no, __func__,
471 (ha->addl_fw_state &
472 FW_ADDSTATE_LINK_UP) != 0 ?
473 "UP" : "DOWN"));
474 DEBUG2(ql4_printk(KERN_INFO, ha,
475 "scsi%ld: %s: iSNS Service "
476 "Started %s\n",
477 ha->host_no, __func__,
478 (ha->addl_fw_state &
479 FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
480 "YES" : "NO"));
481
482 ready = 1;
483 break;
484 }
485 }
486 DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
487 "seconds expired= %d\n", ha->host_no, __func__,
488 ha->firmware_state, ha->addl_fw_state,
489 timeout_count));
490 if (is_qla4032(ha) &&
491 !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
492 (timeout_count < ADAPTER_INIT_TOV - 5)) {
493 break;
494 }
495
496 msleep(1000);
497 } /* end of for */
498
499 if (timeout_count <= 0)
500 DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
501 ha->host_no, __func__));
502
503 if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
504 DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
505 "it's waiting to configure an IP address\n",
506 ha->host_no, __func__));
507 ready = 1;
508 } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
509 DEBUG2(printk("scsi%ld: %s: FW initialized, but "
510 "auto-discovery still in process\n",
511 ha->host_no, __func__));
512 ready = 1;
513 }
514
515 return ready;
516 }
517
518 /**
519 * qla4xxx_init_firmware - initializes the firmware.
520 * @ha: pointer to host adapter structure.
521 *
522 **/
523 static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
524 {
525 int status = QLA_ERROR;
526
527 if (is_aer_supported(ha) &&
528 test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
529 return status;
530
531 /* For 82xx, stop firmware before initializing because if BIOS
532 * has previously initialized firmware, then driver's initialize
533 * firmware will fail. */
534 if (is_qla80XX(ha))
535 qla4_8xxx_stop_firmware(ha);
536
537 ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
538 if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
539 DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
540 "control block\n", ha->host_no, __func__));
541 return status;
542 }
543
544 if (!qla4xxx_fw_ready(ha))
545 return status;
546
547 if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags))
548 qla4xxx_alloc_fw_dump(ha);
549
550 return qla4xxx_get_firmware_status(ha);
551 }
552
553 static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
554 {
555 uint16_t board_id_string[8];
556 int i;
557 int size = sizeof(ha->nvram->isp4022.boardIdStr);
558 int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
559
560 for (i = 0; i < (size / 2) ; i++) {
561 board_id_string[i] = rd_nvram_word(ha, offset);
562 offset += 1;
563 }
564
565 memcpy(ha->model_name, board_id_string, size);
566 }
567
568 static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
569 {
570 unsigned long flags;
571 union external_hw_config_reg extHwConfig;
572
573 DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no,
574 __func__));
575 if (ql4xxx_lock_flash(ha) != QLA_SUCCESS)
576 return QLA_ERROR;
577 if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) {
578 ql4xxx_unlock_flash(ha);
579 return QLA_ERROR;
580 }
581
582 /* Get EEPRom Parameters from NVRAM and validate */
583 ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n");
584 if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) {
585 spin_lock_irqsave(&ha->hardware_lock, flags);
586 extHwConfig.Asuint32_t =
587 rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha));
588 spin_unlock_irqrestore(&ha->hardware_lock, flags);
589 } else {
590 ql4_printk(KERN_WARNING, ha,
591 "scsi%ld: %s: EEProm checksum invalid. "
592 "Please update your EEPROM\n", ha->host_no,
593 __func__);
594
595 /* Attempt to set defaults */
596 if (is_qla4010(ha))
597 extHwConfig.Asuint32_t = 0x1912;
598 else if (is_qla4022(ha) | is_qla4032(ha))
599 extHwConfig.Asuint32_t = 0x0023;
600 else
601 return QLA_ERROR;
602 }
603
604 if (is_qla4022(ha) || is_qla4032(ha))
605 qla4xxx_set_model_info(ha);
606 else
607 strcpy(ha->model_name, "QLA4010");
608
609 DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
610 ha->host_no, __func__, extHwConfig.Asuint32_t));
611
612 spin_lock_irqsave(&ha->hardware_lock, flags);
613 writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha));
614 readl(isp_ext_hw_conf(ha));
615 spin_unlock_irqrestore(&ha->hardware_lock, flags);
616
617 ql4xxx_unlock_nvram(ha);
618 ql4xxx_unlock_flash(ha);
619
620 return QLA_SUCCESS;
621 }
622
623 /**
624 * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers.
625 * @ha: HA context
626 */
627 void qla4_8xxx_pci_config(struct scsi_qla_host *ha)
628 {
629 pci_set_master(ha->pdev);
630 }
631
632 void qla4xxx_pci_config(struct scsi_qla_host *ha)
633 {
634 uint16_t w;
635 int status;
636
637 ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
638
639 pci_set_master(ha->pdev);
640 status = pci_set_mwi(ha->pdev);
641 /*
642 * We want to respect framework's setting of PCI configuration space
643 * command register and also want to make sure that all bits of
644 * interest to us are properly set in command register.
645 */
646 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
647 w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
648 w &= ~PCI_COMMAND_INTX_DISABLE;
649 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
650 }
651
652 static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
653 {
654 int status = QLA_ERROR;
655 unsigned long max_wait_time;
656 unsigned long flags;
657 uint32_t mbox_status;
658
659 ql4_printk(KERN_INFO, ha, "Starting firmware ...\n");
660
661 /*
662 * Start firmware from flash ROM
663 *
664 * WORKAROUND: Stuff a non-constant value that the firmware can
665 * use as a seed for a random number generator in MB7 prior to
666 * setting BOOT_ENABLE. Fixes problem where the TCP
667 * connections use the same TCP ports after each reboot,
668 * causing some connections to not get re-established.
669 */
670 DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n",
671 ha->host_no, __func__));
672
673 spin_lock_irqsave(&ha->hardware_lock, flags);
674 writel(jiffies, &ha->reg->mailbox[7]);
675 if (is_qla4022(ha) | is_qla4032(ha))
676 writel(set_rmask(NVR_WRITE_ENABLE),
677 &ha->reg->u1.isp4022.nvram);
678
679 writel(2, &ha->reg->mailbox[6]);
680 readl(&ha->reg->mailbox[6]);
681
682 writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status);
683 readl(&ha->reg->ctrl_status);
684 spin_unlock_irqrestore(&ha->hardware_lock, flags);
685
686 /* Wait for firmware to come UP. */
687 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for "
688 "boot firmware to complete...\n",
689 ha->host_no, __func__, FIRMWARE_UP_TOV));
690 max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ);
691 do {
692 uint32_t ctrl_status;
693
694 spin_lock_irqsave(&ha->hardware_lock, flags);
695 ctrl_status = readw(&ha->reg->ctrl_status);
696 mbox_status = readw(&ha->reg->mailbox[0]);
697 spin_unlock_irqrestore(&ha->hardware_lock, flags);
698
699 if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR))
700 break;
701 if (mbox_status == MBOX_STS_COMMAND_COMPLETE)
702 break;
703
704 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot "
705 "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n",
706 ha->host_no, __func__, ctrl_status, max_wait_time));
707
708 msleep_interruptible(250);
709 } while (!time_after_eq(jiffies, max_wait_time));
710
711 if (mbox_status == MBOX_STS_COMMAND_COMPLETE) {
712 DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n",
713 ha->host_no, __func__));
714
715 spin_lock_irqsave(&ha->hardware_lock, flags);
716 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
717 &ha->reg->ctrl_status);
718 readl(&ha->reg->ctrl_status);
719 spin_unlock_irqrestore(&ha->hardware_lock, flags);
720
721 status = QLA_SUCCESS;
722 } else {
723 printk(KERN_INFO "scsi%ld: %s: Boot firmware failed "
724 "- mbox status 0x%x\n", ha->host_no, __func__,
725 mbox_status);
726 status = QLA_ERROR;
727 }
728 return status;
729 }
730
731 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
732 {
733 #define QL4_LOCK_DRVR_WAIT 60
734 #define QL4_LOCK_DRVR_SLEEP 1
735
736 int drvr_wait = QL4_LOCK_DRVR_WAIT;
737 while (drvr_wait) {
738 if (ql4xxx_lock_drvr(a) == 0) {
739 ssleep(QL4_LOCK_DRVR_SLEEP);
740 if (drvr_wait) {
741 DEBUG2(printk("scsi%ld: %s: Waiting for "
742 "Global Init Semaphore(%d)...\n",
743 a->host_no,
744 __func__, drvr_wait));
745 }
746 drvr_wait -= QL4_LOCK_DRVR_SLEEP;
747 } else {
748 DEBUG2(printk("scsi%ld: %s: Global Init Semaphore "
749 "acquired\n", a->host_no, __func__));
750 return QLA_SUCCESS;
751 }
752 }
753 return QLA_ERROR;
754 }
755
756 /**
757 * qla4xxx_start_firmware - starts qla4xxx firmware
758 * @ha: Pointer to host adapter structure.
759 *
760 * This routine performs the necessary steps to start the firmware for
761 * the QLA4010 adapter.
762 **/
763 int qla4xxx_start_firmware(struct scsi_qla_host *ha)
764 {
765 unsigned long flags = 0;
766 uint32_t mbox_status;
767 int status = QLA_ERROR;
768 int soft_reset = 1;
769 int config_chip = 0;
770
771 if (is_qla4022(ha) | is_qla4032(ha))
772 ql4xxx_set_mac_number(ha);
773
774 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
775 return QLA_ERROR;
776
777 spin_lock_irqsave(&ha->hardware_lock, flags);
778
779 DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no,
780 __func__, readw(isp_port_ctrl(ha))));
781 DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no,
782 __func__, readw(isp_port_status(ha))));
783
784 /* Is Hardware already initialized? */
785 if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) {
786 DEBUG(printk("scsi%ld: %s: Hardware has already been "
787 "initialized\n", ha->host_no, __func__));
788
789 /* Receive firmware boot acknowledgement */
790 mbox_status = readw(&ha->reg->mailbox[0]);
791
792 DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= "
793 "0x%x\n", ha->host_no, __func__, mbox_status));
794
795 /* Is firmware already booted? */
796 if (mbox_status == 0) {
797 /* F/W not running, must be config by net driver */
798 config_chip = 1;
799 soft_reset = 0;
800 } else {
801 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
802 &ha->reg->ctrl_status);
803 readl(&ha->reg->ctrl_status);
804 writel(set_rmask(CSR_SCSI_COMPLETION_INTR),
805 &ha->reg->ctrl_status);
806 readl(&ha->reg->ctrl_status);
807 spin_unlock_irqrestore(&ha->hardware_lock, flags);
808 if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) {
809 DEBUG2(printk("scsi%ld: %s: Get firmware "
810 "state -- state = 0x%x\n",
811 ha->host_no,
812 __func__, ha->firmware_state));
813 /* F/W is running */
814 if (ha->firmware_state &
815 FW_STATE_CONFIG_WAIT) {
816 DEBUG2(printk("scsi%ld: %s: Firmware "
817 "in known state -- "
818 "config and "
819 "boot, state = 0x%x\n",
820 ha->host_no, __func__,
821 ha->firmware_state));
822 config_chip = 1;
823 soft_reset = 0;
824 }
825 } else {
826 DEBUG2(printk("scsi%ld: %s: Firmware in "
827 "unknown state -- resetting,"
828 " state = "
829 "0x%x\n", ha->host_no, __func__,
830 ha->firmware_state));
831 }
832 spin_lock_irqsave(&ha->hardware_lock, flags);
833 }
834 } else {
835 DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been "
836 "started - resetting\n", ha->host_no, __func__));
837 }
838 spin_unlock_irqrestore(&ha->hardware_lock, flags);
839
840 DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ",
841 ha->host_no, __func__, soft_reset, config_chip));
842 if (soft_reset) {
843 DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no,
844 __func__));
845 status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr
846 * lock again, but ok */
847 if (status == QLA_ERROR) {
848 DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
849 ha->host_no, __func__));
850 ql4xxx_unlock_drvr(ha);
851 return QLA_ERROR;
852 }
853 config_chip = 1;
854
855 /* Reset clears the semaphore, so acquire again */
856 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
857 return QLA_ERROR;
858 }
859
860 if (config_chip) {
861 if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS)
862 status = qla4xxx_start_firmware_from_flash(ha);
863 }
864
865 ql4xxx_unlock_drvr(ha);
866 if (status == QLA_SUCCESS) {
867 if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags))
868 qla4xxx_get_crash_record(ha);
869 } else {
870 DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n",
871 ha->host_no, __func__));
872 }
873 return status;
874 }
875 /**
876 * qla4xxx_free_ddb_index - Free DDBs reserved by firmware
877 * @ha: pointer to adapter structure
878 *
879 * Since firmware is not running in autoconnect mode the DDB indices should
880 * be freed so that when login happens from user space there are free DDB
881 * indices available.
882 **/
883 void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
884 {
885 int max_ddbs;
886 int ret;
887 uint32_t idx = 0, next_idx = 0;
888 uint32_t state = 0, conn_err = 0;
889
890 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
891 MAX_DEV_DB_ENTRIES;
892
893 for (idx = 0; idx < max_ddbs; idx = next_idx) {
894 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
895 &next_idx, &state, &conn_err,
896 NULL, NULL);
897 if (ret == QLA_ERROR) {
898 next_idx++;
899 continue;
900 }
901 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
902 state == DDB_DS_SESSION_FAILED) {
903 DEBUG2(ql4_printk(KERN_INFO, ha,
904 "Freeing DDB index = 0x%x\n", idx));
905 ret = qla4xxx_clear_ddb_entry(ha, idx);
906 if (ret == QLA_ERROR)
907 ql4_printk(KERN_ERR, ha,
908 "Unable to clear DDB index = "
909 "0x%x\n", idx);
910 }
911 if (next_idx == 0)
912 break;
913 }
914 }
915
916 /**
917 * qla4xxx_initialize_adapter - initiailizes hba
918 * @ha: Pointer to host adapter structure.
919 *
920 * This routine parforms all of the steps necessary to initialize the adapter.
921 *
922 **/
923 int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
924 {
925 int status = QLA_ERROR;
926
927 ha->eeprom_cmd_data = 0;
928
929 ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
930 ha->isp_ops->pci_config(ha);
931
932 ha->isp_ops->disable_intrs(ha);
933
934 /* Initialize the Host adapter request/response queues and firmware */
935 if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
936 goto exit_init_hba;
937
938 /*
939 * For ISP83XX, mailbox and IOCB interrupts are enabled separately.
940 * Mailbox interrupts must be enabled prior to issuing any mailbox
941 * command in order to prevent the possibility of losing interrupts
942 * while switching from polling to interrupt mode. IOCB interrupts are
943 * enabled via isp_ops->enable_intrs.
944 */
945 if (is_qla8032(ha))
946 qla4_83xx_enable_mbox_intrs(ha);
947
948 if (qla4xxx_about_firmware(ha) == QLA_ERROR)
949 goto exit_init_hba;
950
951 if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
952 goto exit_init_hba;
953
954 if (qla4xxx_init_local_data(ha) == QLA_ERROR)
955 goto exit_init_hba;
956
957 status = qla4xxx_init_firmware(ha);
958 if (status == QLA_ERROR)
959 goto exit_init_hba;
960
961 if (is_reset == RESET_ADAPTER)
962 qla4xxx_build_ddb_list(ha, is_reset);
963
964 set_bit(AF_ONLINE, &ha->flags);
965 exit_init_hba:
966 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
967 /* Since interrupts are registered in start_firmware for
968 * 80XX, release them here if initialize_adapter fails */
969 qla4xxx_free_irqs(ha);
970 }
971
972 DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no,
973 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
974 return status;
975 }
976
977 int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
978 struct ddb_entry *ddb_entry, uint32_t state)
979 {
980 uint32_t old_fw_ddb_device_state;
981 int status = QLA_ERROR;
982
983 old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
984 DEBUG2(ql4_printk(KERN_INFO, ha,
985 "%s: DDB - old state = 0x%x, new state = 0x%x for "
986 "index [%d]\n", __func__,
987 ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
988
989 ddb_entry->fw_ddb_device_state = state;
990
991 switch (old_fw_ddb_device_state) {
992 case DDB_DS_LOGIN_IN_PROCESS:
993 switch (state) {
994 case DDB_DS_SESSION_ACTIVE:
995 case DDB_DS_DISCOVERY:
996 qla4xxx_update_session_conn_param(ha, ddb_entry);
997 ddb_entry->unblock_sess(ddb_entry->sess);
998 status = QLA_SUCCESS;
999 break;
1000 case DDB_DS_SESSION_FAILED:
1001 case DDB_DS_NO_CONNECTION_ACTIVE:
1002 iscsi_conn_login_event(ddb_entry->conn,
1003 ISCSI_CONN_STATE_FREE);
1004 status = QLA_SUCCESS;
1005 break;
1006 }
1007 break;
1008 case DDB_DS_SESSION_ACTIVE:
1009 case DDB_DS_DISCOVERY:
1010 switch (state) {
1011 case DDB_DS_SESSION_FAILED:
1012 /*
1013 * iscsi_session failure will cause userspace to
1014 * stop the connection which in turn would block the
1015 * iscsi_session and start relogin
1016 */
1017 iscsi_session_failure(ddb_entry->sess->dd_data,
1018 ISCSI_ERR_CONN_FAILED);
1019 status = QLA_SUCCESS;
1020 break;
1021 case DDB_DS_NO_CONNECTION_ACTIVE:
1022 clear_bit(fw_ddb_index, ha->ddb_idx_map);
1023 status = QLA_SUCCESS;
1024 break;
1025 }
1026 break;
1027 case DDB_DS_SESSION_FAILED:
1028 switch (state) {
1029 case DDB_DS_SESSION_ACTIVE:
1030 case DDB_DS_DISCOVERY:
1031 ddb_entry->unblock_sess(ddb_entry->sess);
1032 qla4xxx_update_session_conn_param(ha, ddb_entry);
1033 status = QLA_SUCCESS;
1034 break;
1035 case DDB_DS_SESSION_FAILED:
1036 iscsi_session_failure(ddb_entry->sess->dd_data,
1037 ISCSI_ERR_CONN_FAILED);
1038 status = QLA_SUCCESS;
1039 break;
1040 }
1041 break;
1042 default:
1043 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
1044 __func__));
1045 break;
1046 }
1047 return status;
1048 }
1049
1050 void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
1051 {
1052 /*
1053 * This triggers a relogin. After the relogin_timer
1054 * expires, the relogin gets scheduled. We must wait a
1055 * minimum amount of time since receiving an 0x8014 AEN
1056 * with failed device_state or a logout response before
1057 * we can issue another relogin.
1058 *
1059 * Firmware pads this timeout: (time2wait +1).
1060 * Driver retry to login should be longer than F/W.
1061 * Otherwise F/W will fail
1062 * set_ddb() mbx cmd with 0x4005 since it still
1063 * counting down its time2wait.
1064 */
1065 atomic_set(&ddb_entry->relogin_timer, 0);
1066 atomic_set(&ddb_entry->retry_relogin_timer,
1067 ddb_entry->default_time2wait + 4);
1068
1069 }
1070
1071 int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
1072 struct ddb_entry *ddb_entry, uint32_t state)
1073 {
1074 uint32_t old_fw_ddb_device_state;
1075 int status = QLA_ERROR;
1076
1077 old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
1078 DEBUG2(ql4_printk(KERN_INFO, ha,
1079 "%s: DDB - old state = 0x%x, new state = 0x%x for "
1080 "index [%d]\n", __func__,
1081 ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
1082
1083 ddb_entry->fw_ddb_device_state = state;
1084
1085 switch (old_fw_ddb_device_state) {
1086 case DDB_DS_LOGIN_IN_PROCESS:
1087 case DDB_DS_NO_CONNECTION_ACTIVE:
1088 switch (state) {
1089 case DDB_DS_SESSION_ACTIVE:
1090 ddb_entry->unblock_sess(ddb_entry->sess);
1091 qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
1092 status = QLA_SUCCESS;
1093 break;
1094 case DDB_DS_SESSION_FAILED:
1095 iscsi_block_session(ddb_entry->sess);
1096 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1097 qla4xxx_arm_relogin_timer(ddb_entry);
1098 status = QLA_SUCCESS;
1099 break;
1100 }
1101 break;
1102 case DDB_DS_SESSION_ACTIVE:
1103 switch (state) {
1104 case DDB_DS_SESSION_FAILED:
1105 iscsi_block_session(ddb_entry->sess);
1106 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1107 qla4xxx_arm_relogin_timer(ddb_entry);
1108 status = QLA_SUCCESS;
1109 break;
1110 }
1111 break;
1112 case DDB_DS_SESSION_FAILED:
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 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
1121 qla4xxx_arm_relogin_timer(ddb_entry);
1122 status = QLA_SUCCESS;
1123 break;
1124 }
1125 break;
1126 default:
1127 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
1128 __func__));
1129 break;
1130 }
1131 return status;
1132 }
1133
1134 /**
1135 * qla4xxx_process_ddb_changed - process ddb state change
1136 * @ha - Pointer to host adapter structure.
1137 * @fw_ddb_index - Firmware's device database index
1138 * @state - Device state
1139 *
1140 * This routine processes a Decive Database Changed AEN Event.
1141 **/
1142 int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
1143 uint32_t fw_ddb_index,
1144 uint32_t state, uint32_t conn_err)
1145 {
1146 struct ddb_entry *ddb_entry;
1147 int status = QLA_ERROR;
1148
1149 /* check for out of range index */
1150 if (fw_ddb_index >= MAX_DDB_ENTRIES)
1151 goto exit_ddb_event;
1152
1153 /* Get the corresponging ddb entry */
1154 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
1155 /* Device does not currently exist in our database. */
1156 if (ddb_entry == NULL) {
1157 ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
1158 __func__, fw_ddb_index);
1159
1160 if (state == DDB_DS_NO_CONNECTION_ACTIVE)
1161 clear_bit(fw_ddb_index, ha->ddb_idx_map);
1162
1163 goto exit_ddb_event;
1164 }
1165
1166 ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
1167
1168 exit_ddb_event:
1169 return status;
1170 }
1171
1172 /**
1173 * qla4xxx_login_flash_ddb - Login to target (DDB)
1174 * @cls_session: Pointer to the session to login
1175 *
1176 * This routine logins to the target.
1177 * Issues setddb and conn open mbx
1178 **/
1179 void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
1180 {
1181 struct iscsi_session *sess;
1182 struct ddb_entry *ddb_entry;
1183 struct scsi_qla_host *ha;
1184 struct dev_db_entry *fw_ddb_entry = NULL;
1185 dma_addr_t fw_ddb_dma;
1186 uint32_t mbx_sts = 0;
1187 int ret;
1188
1189 sess = cls_session->dd_data;
1190 ddb_entry = sess->dd_data;
1191 ha = ddb_entry->ha;
1192
1193 if (!test_bit(AF_LINK_UP, &ha->flags))
1194 return;
1195
1196 if (ddb_entry->ddb_type != FLASH_DDB) {
1197 DEBUG2(ql4_printk(KERN_INFO, ha,
1198 "Skipping login to non FLASH DB"));
1199 goto exit_login;
1200 }
1201
1202 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
1203 &fw_ddb_dma);
1204 if (fw_ddb_entry == NULL) {
1205 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
1206 goto exit_login;
1207 }
1208
1209 if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
1210 ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
1211 if (ret == QLA_ERROR)
1212 goto exit_login;
1213
1214 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
1215 ha->tot_ddbs++;
1216 }
1217
1218 memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
1219 sizeof(struct dev_db_entry));
1220 ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
1221
1222 ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1223 fw_ddb_dma, &mbx_sts);
1224 if (ret == QLA_ERROR) {
1225 DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
1226 goto exit_login;
1227 }
1228
1229 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
1230 ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
1231 if (ret == QLA_ERROR) {
1232 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
1233 sess->targetname);
1234 goto exit_login;
1235 }
1236
1237 exit_login:
1238 if (fw_ddb_entry)
1239 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
1240 }
1241
Linux kernel - Deliverables
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