1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /* Copyright 2010 QLogic Corporation */
23
24 /*
25 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
26 */
27
28 #pragma ident "Copyright 2010 QLogic Corporation; ql_hba_fru.c"
29
30 /*
31 * ISP2xxx Solaris Fibre Channel Adapter (FCA) driver source file.
32 *
33 * ***********************************************************************
34 * * **
35 * * NOTICE **
36 * * COPYRIGHT (C) 1996-2010 QLOGIC CORPORATION **
37 * * ALL RIGHTS RESERVED **
38 * * **
39 * ***********************************************************************
40 *
41 */
42
43 /*
44 * Determine HBA FRU card information for T11 FC-HBA
45 */
46
47 #include <ql_apps.h>
48 #include <ql_api.h>
49 #include <ql_debug.h>
50 #include <ql_ioctl.h>
51 #include <ql_xioctl.h>
52
53 /*
54 * Temporary define until LV headers are updated
55 */
56 #ifndef FC_HBA_PORTSPEED_8GBIT
57 #define FC_HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */
58 #endif
59
60 /* Local prototypes */
61 static uint32_t ql_get_basedev_len(ql_adapter_state_t *, uint32_t *,
62 uint32_t *);
63 static ql_adapter_state_t *ql_search_basedev(ql_adapter_state_t *, uint32_t);
64
65 /* Local structures */
66 static struct ql_known_models {
67 uint16_t ssid; /* Subsystem ID */
68 uint16_t ssvid; /* Subsystem Vendor ID */
69 char model[256];
70 char model_description[256];
71
72 } models[] = {
73 {
74 /* QLogic */
75 0x2, 0x1077, "QLA2200", "QLogic PCI to 1Gb FC, Single Channel"
76 }, {
77 /* QLogic */
78 0x9, 0x1077, "QLA2300", "QLogic PCI to 2Gb FC, Single Channel"
79 }, {
80 /* QLA2200, SUN2200 Amber */
81 0x4082, 0x1077, "375-3019-xx", "X6799A"
82 }, {
83 /* QLA2212, SUN2212 Crystal+ */
84 0x4083, 0x1077, "375-3030-xx", "X6727A"
85 }, {
86 /* QCP2202, SUNQCP2202 Diamond */
87 0x4084, 0x1077, "375-0118-xx", "X6748A"
88 }, {
89 /* QLA2202FS, SUN2202FS Ivory */
90 0x4085, 0x1077, "375-3048-xx", "X6757A"
91 }, {
92 /* QLogic */
93 0x100, 0x1077, "QLA2340",
94 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
95 }, {
96 /* QLogic */
97 0x101, 0x1077, "QLA2342",
98 "QLogic 133MHz PCI-X to 2Gb FC, Dual Channel"
99 }, {
100 /* QLogic */
101 0x102, 0x1077, "QLA2344",
102 "QLogic 133MHz PCI-X to 2Gb FC, Quad Channel"
103 }, {
104 /* QLogic */
105 0x103, 0x1077, "QCP2342", "QLogic cPCI to 2Gb FC, Dual Channel"
106 }, {
107 /* QLogic */
108 0x104, 0x1077, "QSB2340", "QLogic SBUS to 2Gb FC, Single Channel"
109 }, {
110 /* QLogic */
111 0x105, 0x1077, "QSB2342", "QLogic SBUS to 2Gb FC, Dual Channel"
112 }, {
113 /* QLA2310, SUN-66MHz PCI-X to 2Gb FC, Single Channel, Amber 2 */
114 0x0106, 0x1077, "375-3102-xx", "SG-XPCI1FC-QF2 (X6767A)"
115 }, {
116 /* QLogic */
117 0x109, 0x1077, "QCP2340", "QLogic cPCI to 2Gb FC, Single Channel"
118 }, {
119 /* QLA2342, SUN-133MHz PCI-X to 2Gb FC, Dualchannel, Crystal 2A */
120 0x010A, 0x1077, "375-3108-xx", "SG-XPCI2FC-QF2 (X6768A)"
121 }, {
122 /* QLogic */
123 0x115, 0x1077, "QLA2360",
124 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
125 }, {
126 /* QLogic */
127 0x116, 0x1077, "QLA2362",
128 "QLogic 133MHz PCI-X to 2Gb FC, Dual Channel"
129 }, {
130 /* QLogic */
131 0x117, 0x1077, "QLE2360",
132 "QLogic PCI-Express to 2Gb FC, Single Channel"
133 }, {
134 /* QLogic */
135 0x118, 0x1077, "QLE2362",
136 "QLogic PCI Express to 2Gb FC, Dual Channel"
137 }, {
138 /* QLogic */
139 0x119, 0x1077, "QLA200",
140 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
141 }, {
142 /* QLogic */
143 0x11c, 0x1077, "QLA200P",
144 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
145 }, {
146 /* QLogic */
147 0x12f, 0x1077, "QLA210",
148 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
149 }, {
150 /* QLogic */
151 0x130, 0x1077, "EMC250-051-900",
152 "QLogic 133MHz PCI-X to 2Gb FC, Single Channel"
153 }, {
154 /* QLA210, SUN-133MHz PCI-X to 2Gb FC, Single Channel, Prism */
155 0x132, 0x1077, "375-32X3-01", "SG-PCI1FC-QLC"
156 }, {
157 /* QLogic */
158 0x13e, 0x1077, "QLE210",
159 "QLogic PCI Express 2Gb FC, Single Channel"
160 }, {
161 /* Sun */
162 0x149, 0x1077, "QLA2340",
163 "SUN - 133MHz PCI-X to 2Gb FC, Single Channel"
164 }, {
165 /* HP */
166 0x100, 0x0e11, "QLA2340-HP", "PCIX to 2Gb FC, Single Channel"
167 }, {
168 /* HP */
169 0x101, 0x0e11, "QLA2342-HP", "PCIX to 2Gb FC, Dual Channel"
170 }, {
171 /* HP */
172 0x103, 0x0e11, "QLA2312-HP",
173 "HP Bladed Server Balcony Card - HP BalcnL"
174 }, {
175 /* HP */
176 0x104, 0x0e11, "QLA2312-HP", "HP Bladed Server - HP MezzF"
177 }, {
178 /* HP */
179 0x105, 0x0e11, "QLA2312-HP", "HP Bladed Server - HP BalcnL"
180 }, {
181 /* HP */
182 0x106, 0x0e11, "QLA2312-HP", "HP Bladed Server - HP BalcnF"
183 }, {
184 /* HP */
185 0x107, 0x0e11, "QLA2312-HP", "HP Bladed Server"
186 }, {
187 /* HP */
188 0x108, 0x0e11, "QLA2312-HP", "HP Bladed Server"
189 }, {
190 /* IBM FCEC */
191 0x27d, 0x1014, "IBM-FCEC",
192 "IBM eServer Blade Center FC Expansion Card"
193 }, {
194 /* IBM FCEC */
195 0x2fb, 0x1014, "IBM-FCEC",
196 "IBM eServer Blade Center FC SFF Expansion Card"
197 }, {
198 /* Intel */
199 0x34ba, 0x8086, "Intel SBFCM",
200 "Intel Server FC Expansion Card SBFCM"
201 }, {
202 /* Intel */
203 0x34a0, 0x8086, "Intel SBEFCM",
204 "Intel Server SFF FC Expansion Card SBFCM"
205 }, {
206 /* FCI/O */
207 0x1051, 0x1734, "FCI/O-CARD2Gb/s",
208 "FSC-Quanta FC I/O-Card 2GBit/s"
209 }, {
210 /* Dell */
211 0x18a, 0x1028, "FCI/O-CARD2Gb/s", "Dell Glacier Blade Server"
212 }, {
213 /* end of list */
214 0, 0, 0, 0, 0, 0
215 } };
216
217 /*
218 * ql_populate_hba_fru_details
219 * Sets up HBA fru information for UL utilities
220 * (cfgadm, fcinfo, et. al.)
221 *
222 * Input:
223 * ha = adapter state structure
224 * port_info = ptr to LV port strcture.
225 *
226 * Returns:
227 *
228 * Context:
229 * Kernel context.
230 */
231 void
ql_populate_hba_fru_details(ql_adapter_state_t * ha,fc_fca_port_info_t * port_info)232 ql_populate_hba_fru_details(ql_adapter_state_t *ha,
233 fc_fca_port_info_t *port_info)
234 {
235 fca_port_attrs_t *attrs = &port_info->pi_attrs;
236 uint16_t chip = ha->device_id;
237 uint16_t model = ha->subsys_id;
238 uint16_t ssdevid = ha->subven_id;
239 size_t vlen;
240 int32_t i;
241
242 QL_PRINT_3(CE_CONT, "(%d): started\n", ha->instance);
243
244 attrs = &port_info->pi_attrs;
245
246 /* Constants */
247 (void) snprintf(attrs->manufacturer, FCHBA_MANUFACTURER_LEN,
248 "QLogic Corp.");
249 (void) snprintf(attrs->driver_name, FCHBA_DRIVER_NAME_LEN,
250 "%s", QL_NAME);
251 (void) snprintf(attrs->driver_version, FCHBA_DRIVER_VERSION_LEN,
252 "%s", ha->adapter_stats->revlvl.qlddv);
253
254 if ((i = ql_vpd_lookup(ha, (uint8_t *)VPD_TAG_SN, (uint8_t *)
255 attrs->serial_number, FCHBA_SERIAL_NUMBER_LEN)) == -1) {
256 attrs->serial_number[0] = '\0';
257 }
258 attrs->hardware_version[0] = '\0';
259
260 /* Dynamic data */
261 (void) snprintf(attrs->firmware_version, FCHBA_FIRMWARE_VERSION_LEN,
262 "%02d.%02d.%02d", ha->fw_major_version, ha->fw_minor_version,
263 ha->fw_subminor_version);
264
265 CACHE_LOCK(ha);
266
267 /* Report FCode / BIOS / EFI version(s). */
268 if (ha->fcache != NULL) {
269 uint32_t types = FTYPE_BIOS|FTYPE_FCODE|FTYPE_EFI;
270 ql_fcache_t *fptr = ha->fcache;
271 int8_t *orv = &*attrs->option_rom_version;
272
273 while ((fptr != NULL) && (types != 0)) {
274 /* Get the next image */
275 if ((fptr = ql_get_fbuf(ha->fcache, types)) != NULL) {
276
277 switch (fptr->type) {
278 case FTYPE_FCODE:
279 (void) snprintf(orv,
280 FCHBA_OPTION_ROM_VERSION_LEN,
281 "%s fcode: %s;", orv, fptr->verstr);
282 break;
283 case FTYPE_BIOS:
284 (void) snprintf(orv,
285 FCHBA_OPTION_ROM_VERSION_LEN,
286 "%s BIOS: %s;", orv, fptr->verstr);
287 break;
288 case FTYPE_EFI:
289 (void) snprintf(orv,
290 FCHBA_OPTION_ROM_VERSION_LEN,
291 "%s EFI: %s;", orv, fptr->verstr);
292 break;
293 default:
294 EL(ha, "ignoring ftype: %xh\n",
295 fptr->type);
296 break;
297 }
298 types &= ~(fptr->type);
299 }
300 }
301 }
302
303 CACHE_UNLOCK(ha);
304
305 if (strlen(attrs->option_rom_version) == 0) {
306 int rval = -1;
307 uint32_t i = 0;
308 caddr_t fcode_ver_buf = NULL;
309
310 if (CFG_IST(ha, CFG_CTRL_2200)) {
311 /*LINTED [Solaris DDI_DEV_T_ANY Lint warning]*/
312 rval = ddi_getlongprop(DDI_DEV_T_ANY, ha->dip,
313 DDI_PROP_DONTPASS | DDI_PROP_CANSLEEP, "version",
314 (caddr_t)&fcode_ver_buf, (int32_t *)&i);
315 }
316
317 (void) snprintf(attrs->option_rom_version,
318 FCHBA_OPTION_ROM_VERSION_LEN, "%s",
319 (rval == DDI_PROP_SUCCESS ? fcode_ver_buf :
320 "No boot image detected"));
321
322 if (fcode_ver_buf != NULL) {
323 kmem_free(fcode_ver_buf, (size_t)i);
324 }
325
326 }
327
328 attrs->vendor_specific_id = ha->adapter_features;
329 attrs->max_frame_size = CFG_IST(ha, CFG_CTRL_24258081) ?
330 (ha->init_ctrl_blk.cb24.max_frame_length[1] << 8 |
331 ha->init_ctrl_blk.cb24.max_frame_length[0]) :
332 (ha->init_ctrl_blk.cb.max_frame_length[1] << 8 |
333 ha->init_ctrl_blk.cb.max_frame_length[0]);
334 attrs->supported_cos = 0x10000000; /* Class 3 only */
335
336 switch (chip & 0xFF00) {
337 case 0x2200:
338 attrs->supported_speed = FC_HBA_PORTSPEED_1GBIT;
339 break;
340 case 0x2300:
341 attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT |
342 FC_HBA_PORTSPEED_1GBIT;
343 break;
344 case 0x2400:
345 case 0x8400:
346 attrs->supported_speed = FC_HBA_PORTSPEED_4GBIT |
347 FC_HBA_PORTSPEED_2GBIT | FC_HBA_PORTSPEED_1GBIT;
348 break;
349 case 0x8000:
350 attrs->supported_speed = FC_HBA_PORTSPEED_10GBIT;
351 break;
352 case 0x2500:
353 attrs->supported_speed = FC_HBA_PORTSPEED_8GBIT |
354 FC_HBA_PORTSPEED_4GBIT | FC_HBA_PORTSPEED_2GBIT |
355 FC_HBA_PORTSPEED_1GBIT;
356
357 /*
358 * Correct supported speeds based on type of
359 * sfp that is present
360 */
361 switch (ha->sfp_stat) {
362 case 2:
363 case 4:
364 /* 4GB sfp */
365 attrs->supported_speed &= ~FC_HBA_PORTSPEED_8GBIT;
366 break;
367 case 3:
368 case 5:
369 /* 8GB sfp */
370 attrs->supported_speed &= ~FC_HBA_PORTSPEED_1GBIT;
371 break;
372 default:
373 EL(ha, "sfp_stat: %xh\n", ha->sfp_stat);
374 break;
375
376 }
377
378 break;
379 case 0x5400:
380 if (model == 0x13e) {
381 /* QLE210 */
382 attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT;
383 } else {
384 attrs->supported_speed = FC_HBA_PORTSPEED_4GBIT;
385 }
386 break;
387 case 0x6300:
388 attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT;
389 break;
390 default:
391 attrs->supported_speed = FC_HBA_PORTSPEED_UNKNOWN;
392 break;
393 }
394
395 /* Use parent dip as adapter identifier */
396 attrs->hba_fru_details.low = 0x514C6F6769630000; /* QLogic */
397
398 if (ha->fru_hba_index == 0) {
399 EL(ha, "unable to generate high_fru details from "
400 "device path: %s\n", ha->devpath);
401 attrs->hba_fru_details.low = 0;
402 attrs->hba_fru_details.high = 0;
403 attrs->hba_fru_details.port_index = 0;
404 } else {
405 attrs->hba_fru_details.high = ha->fru_hba_index;
406 attrs->hba_fru_details.port_index = ha->fru_port_index;
407 }
408
409 /*
410 * Populate the model info. Legacy (22xx, 23xx, 63xx) do not
411 * have vpd info, so use the hard coded table. Anything else
412 * has VPD (or is suppose to have VPD), so use that. For both
413 * cases, if the model isn't found, use defaults.
414 */
415
416 switch (chip & 0xFF00) {
417 case 0x2200:
418 case 0x2300:
419 case 0x6300:
420 /* Table based data */
421 for (i = 0; models[i].ssid; i++) {
422 if ((model == models[i].ssid) &&
423 (ssdevid == models[i].ssvid)) {
424 break;
425 }
426 }
427
428 if (models[i].ssid) {
429 (void) snprintf(attrs->model, FCHBA_MODEL_LEN, "%s",
430 models[i].model);
431 (void) snprintf(attrs->model_description,
432 FCHBA_MODEL_DESCRIPTION_LEN, "%s",
433 models[i].model_description);
434 } else {
435 (void) snprintf(attrs->model, FCHBA_MODEL_LEN,
436 "%x", chip);
437 (void) snprintf(attrs->model_description,
438 FCHBA_MODEL_DESCRIPTION_LEN, "%x", chip);
439 }
440
441 /* Special model handling for RoHS version of the HBA */
442 if (models[i].ssid == 0x10a && ha->adapInfo[10] ==
443 (uint8_t)0x36) {
444 (void) snprintf(attrs->model, FCHBA_MODEL_LEN, "%s",
445 "375-3363-xx");
446 (void) snprintf(attrs->model_description,
447 FCHBA_MODEL_DESCRIPTION_LEN, "%s",
448 "SG-XPCI2FC-QF2-Z");
449 }
450 break;
451
452 case 0x2400:
453 case 0x2500:
454 case 0x5400:
455 case 0x8400:
456 case 0x8000:
457 default:
458 if ((i = ql_vpd_lookup(ha, (uint8_t *)VPD_TAG_PN,
459 (uint8_t *)attrs->model, FCHBA_MODEL_LEN)) >= 0) {
460 (void) ql_vpd_lookup(ha, (uint8_t *)VPD_TAG_PRODID,
461 (uint8_t *)attrs->model_description,
462 FCHBA_MODEL_DESCRIPTION_LEN);
463 } else {
464 (void) snprintf(attrs->model, FCHBA_MODEL_LEN,
465 "%x", chip);
466 (void) snprintf(attrs->model_description,
467 FCHBA_MODEL_DESCRIPTION_LEN, "%x", chip);
468 }
469 break;
470 }
471
472 /*
473 * Populate the LV symbolic node and port name strings
474 *
475 * Symbolic node name format is:
476 * <hostname>
477 *
478 * Symbolic port name format is:
479 * <driver_name>(<instance>,<vp index>)
480 */
481 vlen = (strlen(utsname.nodename) > FCHBA_SYMB_NAME_LEN ?
482 FCHBA_SYMB_NAME_LEN : strlen(utsname.nodename));
483 (void) snprintf((int8_t *)attrs->sym_node_name, vlen, "%s",
484 utsname.nodename);
485
486 vlen = (strlen(QL_NAME) + 9 > FCHBA_SYMB_NAME_LEN ?
487 FCHBA_SYMB_NAME_LEN : strlen(QL_NAME) + 9);
488 (void) snprintf((int8_t *)attrs->sym_port_name, vlen,
489 "%s(%d,%d)", QL_NAME, ha->instance, ha->vp_index);
490
491 QL_PRINT_3(CE_CONT, "(%d): done\n", ha->instance);
492 }
493
494 /*
495 * ql_setup_fruinfo
496 * Generates common id's for instances on the same
497 * physical HBA.
498 *
499 * Input:
500 * ha = adapter state structure
501 *
502 * Returns:
503 *
504 * Context:
505 * Kernel context.
506 */
507 void
ql_setup_fruinfo(ql_adapter_state_t * ha)508 ql_setup_fruinfo(ql_adapter_state_t *ha)
509 {
510 uint32_t mybasedev_len;
511 ql_adapter_state_t *base_ha = NULL;
512
513 QL_PRINT_3(CE_CONT, "(%d): started\n", ha->instance);
514
515 /*
516 * To generate common id for instances residing on the
517 * the same HBA, the devpath for each instance is parsed
518 * and those instances which have matching base devpaths are
519 * given same hba_index, and each port on the same hba are
520 * then assigned unique port_indexs based on the devpath.
521 */
522
523 /*
524 * Get this ha's basedev path and its port index
525 */
526 if (ql_get_basedev_len(ha, &mybasedev_len, &ha->fru_port_index) == 0) {
527
528 GLOBAL_STATE_LOCK();
529
530 /*
531 * Search for this basedev against all of the
532 * ha in the ql_hba global list. If found one
533 * then we are part of other adapter in the
534 * ql_hba list and hence use that ha's hba_index.
535 * If not create a new one from the global hba index.
536 */
537 base_ha = ql_search_basedev(ha, mybasedev_len);
538 if (base_ha != NULL && base_ha->fru_hba_index != 0) {
539 ha->fru_hba_index = base_ha->fru_hba_index;
540 } else {
541 ha->fru_hba_index = ql_gfru_hba_index++;
542 }
543
544 if (CFG_IST(ha, CFG_CTRL_8081)) {
545 /*
546 * The FC functions on 81xx hbas are functions 2 and 3
547 * while the Nic functions occupy 0 and 1. Adjust
548 * fru port index to be like previous FCAs.
549 */
550 ha->fru_port_index = ha->flags & FUNCTION_1 ? 1 : 0;
551 }
552
553 GLOBAL_STATE_UNLOCK();
554
555 } else {
556 ha->fru_hba_index = 0;
557 ha->fru_port_index = 0;
558 }
559
560 QL_PRINT_3(CE_CONT, "(%d): done\n", ha->instance);
561 }
562
563 /*
564 * ql_get_basedev_len
565 *
566 * Gets the length of the base device name in the
567 * devpath of the current instance.
568 *
569 * Input:
570 * ha - adapter state pointer.
571 * basedev_len - pointer to the integer which
572 * holds the calculated length.
573 * port_index - pointer to the integer which
574 * contains the port index of
575 * for this device.
576 * Returns:
577 * 0 if successfully parsed, -1 otherwise.
578 *
579 * Context:
580 * Kernel context.
581 */
582 static uint32_t
ql_get_basedev_len(ql_adapter_state_t * ha,uint32_t * basedev_len,uint32_t * port_index)583 ql_get_basedev_len(ql_adapter_state_t *ha, uint32_t *basedev_len,
584 uint32_t *port_index)
585 {
586 int32_t dev_off;
587 int32_t port_off;
588 int8_t *devstr;
589
590 QL_PRINT_3(CE_CONT, "(%d): started\n", ha->instance);
591
592 if (ha->devpath == NULL) {
593 return ((uint32_t)-1);
594 }
595
596 dev_off = (int32_t)(strlen(ha->devpath) - 1);
597 port_off = -1;
598
599 /* Until we reach the first char or a '@' char in the path */
600 while ((dev_off >= 0) && (ha->devpath[dev_off] != '@')) {
601
602 if (ha->devpath[dev_off] == ',') {
603 port_off = dev_off + 1;
604 }
605
606 dev_off--;
607 }
608
609 if (dev_off < 0) {
610 EL(ha, "Invalid device path '%s'. Cannot get basedev\n",
611 ha->devpath);
612 return ((uint32_t)-1);
613 }
614
615 if (port_off == -1) {
616 *port_index = 0;
617 *basedev_len = (uint32_t)strlen(ha->devpath);
618 } else {
619 /* Get the port index */
620 devstr = ha->devpath + port_off;
621 *port_index = stoi(&devstr);
622 if (*port_index == 0) {
623 EL(ha, "Invalid device path '%s'. Cannot get "
624 "port_index\n", ha->devpath);
625 return ((uint32_t)-1);
626 }
627
628 *basedev_len = (uint32_t)(port_off - 1);
629 }
630
631 QL_PRINT_3(CE_CONT, "(%d): done\n", ha->instance);
632
633 return (0);
634 }
635
636 /*
637 * ql_search_basedev
638 * Searches the list of ha instances to find which
639 * ha instance has same base device path as input's.
640 *
641 * Input:
642 * myha = current adapter state pointer.
643 * mybasedev_len = Length of the base device in the
644 * device path name.
645 *
646 * Returns:
647 * If match = ptr to matching ha structure.
648 * If no match = NULL ptr.
649 *
650 * Context:
651 * Kernel context.
652 */
653 static ql_adapter_state_t *
ql_search_basedev(ql_adapter_state_t * myha,uint32_t mybasedev_len)654 ql_search_basedev(ql_adapter_state_t *myha, uint32_t mybasedev_len)
655 {
656 ql_link_t *link;
657 ql_adapter_state_t *ha;
658 uint32_t basedev_len, port_index;
659
660 QL_PRINT_3(CE_CONT, "(%d): started\n", myha->instance);
661
662 for (link = ql_hba.first; link != NULL; link = link->next) {
663
664 ha = link->base_address;
665
666 if (ha == NULL) {
667 EL(myha, "null ha link detected!\n");
668 return (NULL);
669 }
670
671 if (ha == myha) {
672 continue;
673 }
674
675 if (ql_get_basedev_len(ha, &basedev_len, &port_index) != 0) {
676 if (ha->devpath == NULL) {
677 EL(myha, "Device path NULL. Unable to get "
678 "the basedev\n");
679 } else {
680 EL(myha, "Invalid device path '%s'. Cannot "
681 "get the hba index and port index\n",
682 ha->devpath);
683 }
684 continue;
685 }
686
687 /*
688 * If both the basedev len do not match, then it
689 * is obvious that both are not pointing to the
690 * same base device.
691 */
692 if ((basedev_len == mybasedev_len) && (strncmp(myha->devpath,
693 ha->devpath, basedev_len) == 0)) {
694
695 /* We found the ha with same basedev */
696 QL_PRINT_3(CE_CONT, "(%d): found, done\n",
697 myha->instance);
698 return (ha);
699 }
700 }
701
702 QL_PRINT_3(CE_CONT, "(%d): not found, done\n", myha->instance);
703
704 return (NULL);
705 }
706