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 2015 QLogic Corporation */
  23 
  24 /*
  25  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  26  */
  27 
  28 #pragma ident   "Copyright 2015 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) 1996-2015 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
 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(ha, "started\n");
 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         /* Report FCode / BIOS / EFI version(s). */
 266         if (ha->fcache != NULL) {
 267                 uint32_t        types = FTYPE_BIOS|FTYPE_FCODE|FTYPE_EFI;
 268                 ql_fcache_t     *fptr = ha->fcache;
 269                 int8_t          *orv = &*attrs->option_rom_version;
 270 
 271                 while ((fptr != NULL) && (types != 0)) {
 272                         /* Get the next image */
 273                         if ((fptr = ql_get_fbuf(ha->fcache, types)) != NULL) {
 274 
 275                                 switch (fptr->type) {
 276                                 case FTYPE_FCODE:
 277                                         (void) snprintf(orv,
 278                                             FCHBA_OPTION_ROM_VERSION_LEN,
 279                                             "%s fcode: %s;", orv, fptr->verstr);
 280                                         break;
 281                                 case FTYPE_BIOS:
 282                                         (void) snprintf(orv,
 283                                             FCHBA_OPTION_ROM_VERSION_LEN,
 284                                             "%s BIOS: %s;", orv, fptr->verstr);
 285                                         break;
 286                                 case FTYPE_EFI:
 287                                         (void) snprintf(orv,
 288                                             FCHBA_OPTION_ROM_VERSION_LEN,
 289                                             "%s EFI: %s;", orv, fptr->verstr);
 290                                         break;
 291                                 default:
 292                                         EL(ha, "ignoring ftype: %xh\n",
 293                                             fptr->type);
 294                                         break;
 295                                 }
 296                                 types &= ~(fptr->type);
 297                         }
 298                 }
 299         }
 300 
 301         if (strlen(attrs->option_rom_version) == 0) {
 302                 int             rval = -1;
 303                 uint32_t        i = 0;
 304                 caddr_t         fcode_ver_buf = NULL;
 305 
 306                 if (CFG_IST(ha, CFG_CTRL_22XX)) {
 307                         /*LINTED [Solaris DDI_DEV_T_ANY Lint warning]*/
 308                         rval = ddi_getlongprop(DDI_DEV_T_ANY, ha->dip,
 309                             DDI_PROP_DONTPASS | DDI_PROP_CANSLEEP, "version",
 310                             (caddr_t)&fcode_ver_buf, (int32_t *)&i);
 311                 }
 312 
 313                 (void) snprintf(attrs->option_rom_version,
 314                     FCHBA_OPTION_ROM_VERSION_LEN, "%s",
 315                     (rval == DDI_PROP_SUCCESS ? fcode_ver_buf :
 316                     "No boot image detected"));
 317 
 318                 if (fcode_ver_buf != NULL) {
 319                         kmem_free(fcode_ver_buf, (size_t)i);
 320                 }
 321 
 322         }
 323 
 324         attrs->vendor_specific_id = ha->adapter_features;
 325         attrs->max_frame_size = ha->loginparams.common_service.rx_bufsize;
 326         attrs->supported_cos = 0x10000000; /* Class 3 only */
 327 
 328         switch (chip & 0xFF00) {
 329         case 0x2000:
 330                 attrs->supported_speed = chip == 0x2071 ?
 331                     FC_HBA_PORTSPEED_32GBIT : FC_HBA_PORTSPEED_16GBIT;
 332                 break;
 333         case 0x2200:
 334                 attrs->supported_speed = chip == 0x2261 ?
 335                     FC_HBA_PORTSPEED_16GBIT : FC_HBA_PORTSPEED_1GBIT;
 336                 break;
 337         case 0x2300:
 338                 attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT |
 339                     FC_HBA_PORTSPEED_1GBIT;
 340                 break;
 341         case 0x2400:
 342         case 0x8400:
 343                 attrs->supported_speed = FC_HBA_PORTSPEED_4GBIT |
 344                     FC_HBA_PORTSPEED_2GBIT | FC_HBA_PORTSPEED_1GBIT;
 345                 break;
 346         case 0x8000:
 347                 attrs->supported_speed = FC_HBA_PORTSPEED_10GBIT;
 348                 break;
 349         case 0x2500:
 350                 attrs->supported_speed = FC_HBA_PORTSPEED_8GBIT |
 351                     FC_HBA_PORTSPEED_4GBIT | FC_HBA_PORTSPEED_2GBIT |
 352                     FC_HBA_PORTSPEED_1GBIT;
 353 
 354                 /*
 355                  * Correct supported speeds based on type of
 356                  * sfp that is present
 357                  */
 358                 switch (ha->sfp_stat) {
 359                 case 2:
 360                 case 4:
 361                         /* 4GB sfp */
 362                         attrs->supported_speed &= ~FC_HBA_PORTSPEED_8GBIT;
 363                         break;
 364                 case 3:
 365                 case 5:
 366                         /* 8GB sfp */
 367                         attrs->supported_speed &= ~FC_HBA_PORTSPEED_1GBIT;
 368                         break;
 369                 default:
 370                         EL(ha, "sfp_stat: %xh\n", ha->sfp_stat);
 371                         break;
 372 
 373                 }
 374 
 375                 break;
 376         case 0x5400:
 377                 if (model == 0x13e) {
 378                         /* QLE210 */
 379                         attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT;
 380                 } else {
 381                         attrs->supported_speed = FC_HBA_PORTSPEED_4GBIT;
 382                 }
 383                 break;
 384         case 0x6300:
 385                 attrs->supported_speed = FC_HBA_PORTSPEED_2GBIT;
 386                 break;
 387         default:
 388                 attrs->supported_speed = FC_HBA_PORTSPEED_UNKNOWN;
 389                 break;
 390         }
 391 
 392         /* Use parent dip as adapter identifier */
 393         attrs->hba_fru_details.low = 0x514C6F6769630000; /* QLogic */
 394 
 395         if (ha->fru_hba_index == 0) {
 396                 EL(ha, "unable to generate high_fru details from "
 397                     "device path: %s\n", ha->devpath);
 398                 attrs->hba_fru_details.low = 0;
 399                 attrs->hba_fru_details.high = 0;
 400                 attrs->hba_fru_details.port_index = 0;
 401         } else {
 402                 attrs->hba_fru_details.high = ha->fru_hba_index;
 403                 attrs->hba_fru_details.port_index = ha->fru_port_index;
 404         }
 405 
 406         /*
 407          * Populate the model info. Legacy (22xx, 23xx, 63xx) do not
 408          * have vpd info, so use the hard coded table. Anything else
 409          * has VPD (or is suppose to have VPD), so use that. For both
 410          * cases, if the model isn't found, use defaults.
 411          */
 412 
 413         switch (chip & 0xFF00) {
 414         case 0x2200:
 415         case 0x2300:
 416         case 0x6300:
 417                 /* Table based data */
 418                 for (i = 0; models[i].ssid; i++) {
 419                         if ((model == models[i].ssid) &&
 420                             (ssdevid == models[i].ssvid)) {
 421                                 break;
 422                         }
 423                 }
 424 
 425                 if (models[i].ssid) {
 426                         (void) snprintf(attrs->model, FCHBA_MODEL_LEN, "%s",
 427                             models[i].model);
 428                         (void) snprintf(attrs->model_description,
 429                             FCHBA_MODEL_DESCRIPTION_LEN, "%s",
 430                             models[i].model_description);
 431                 } else {
 432                         (void) snprintf(attrs->model, FCHBA_MODEL_LEN,
 433                             "%x", chip);
 434                         (void) snprintf(attrs->model_description,
 435                             FCHBA_MODEL_DESCRIPTION_LEN, "%x", chip);
 436                 }
 437 
 438                 /* Special model handling for RoHS version of the HBA */
 439                 if (models[i].ssid == 0x10a && ha->adapInfo[10] ==
 440                     (uint8_t)0x36) {
 441                         (void) snprintf(attrs->model, FCHBA_MODEL_LEN, "%s",
 442                             "375-3363-xx");
 443                         (void) snprintf(attrs->model_description,
 444                             FCHBA_MODEL_DESCRIPTION_LEN, "%s",
 445                             "SG-XPCI2FC-QF2-Z");
 446                 }
 447                 break;
 448 
 449         case 0x2400:
 450         case 0x2500:
 451         case 0x5400:
 452         case 0x8400:
 453         case 0x8000:
 454         default:
 455                 if ((i = ql_vpd_lookup(ha, (uint8_t *)VPD_TAG_PN,
 456                     (uint8_t *)attrs->model, FCHBA_MODEL_LEN)) >= 0) {
 457                         (void) ql_vpd_lookup(ha, (uint8_t *)VPD_TAG_PRODID,
 458                             (uint8_t *)attrs->model_description,
 459                             FCHBA_MODEL_DESCRIPTION_LEN);
 460                 } else {
 461                         (void) snprintf(attrs->model, FCHBA_MODEL_LEN,
 462                             "%x", chip);
 463                         (void) snprintf(attrs->model_description,
 464                             FCHBA_MODEL_DESCRIPTION_LEN, "%x", chip);
 465                 }
 466                 break;
 467         }
 468 
 469         /*
 470          * Populate the LV symbolic node and port name strings
 471          *
 472          * Symbolic node name format is:
 473          *      <hostname>
 474          *
 475          * Symbolic port name format is:
 476          *      <driver_name>(<instance>,<vp index>)
 477          */
 478         vlen = (strlen(utsname.nodename) > FCHBA_SYMB_NAME_LEN ?
 479             FCHBA_SYMB_NAME_LEN : strlen(utsname.nodename));
 480         (void) snprintf((int8_t *)attrs->sym_node_name, vlen, "%s",
 481             utsname.nodename);
 482 
 483         vlen = (strlen(QL_NAME) + 9 > FCHBA_SYMB_NAME_LEN ?
 484             FCHBA_SYMB_NAME_LEN : strlen(QL_NAME) + 9);
 485         (void) snprintf((int8_t *)attrs->sym_port_name, vlen,
 486             "%s(%d,%d)", QL_NAME, ha->instance, ha->vp_index);
 487 
 488         QL_PRINT_3(ha, "done\n");
 489 }
 490 
 491 /*
 492  * ql_setup_fruinfo
 493  *      Generates common id's for instances on the same
 494  *      physical HBA.
 495  *
 496  * Input:
 497  *      ha =  adapter state structure
 498  *
 499  * Returns:
 500  *
 501  * Context:
 502  *      Kernel context.
 503  */
 504 void
 505 ql_setup_fruinfo(ql_adapter_state_t *ha)
 506 {
 507         uint32_t                mybasedev_len;
 508         ql_adapter_state_t      *base_ha = NULL;
 509 
 510         QL_PRINT_3(ha, "started\n");
 511 
 512         /*
 513          * To generate common id for instances residing on the
 514          * the same HBA, the devpath for each instance is parsed
 515          * and those instances which have matching base devpaths are
 516          * given same hba_index, and each port on the same hba are
 517          * then assigned unique port_indexs based on the devpath.
 518          */
 519 
 520         /*
 521          * Get this ha's basedev path and its port index
 522          */
 523         if (ql_get_basedev_len(ha, &mybasedev_len, &ha->fru_port_index) == 0) {
 524 
 525                 /*
 526                  * Search for this basedev against all of the
 527                  * ha in the ql_hba global list. If found one
 528                  * then we are part of other adapter in the
 529                  * ql_hba list and hence use that ha's hba_index.
 530                  * If not create a new one from the global hba index.
 531                  */
 532                 base_ha = ql_search_basedev(ha, mybasedev_len);
 533                 if (base_ha != NULL && base_ha->fru_hba_index != 0) {
 534                         ha->fru_hba_index = base_ha->fru_hba_index;
 535                         ha->fru_port_index = base_ha->fru_port_index + 1;
 536                 } else {
 537                         ha->fru_hba_index = ql_gfru_hba_index++;
 538                         ha->fru_port_index = 0;
 539                 }
 540         } else {
 541                 ha->fru_hba_index = 0;
 542                 ha->fru_port_index = 0;
 543         }
 544 
 545         QL_PRINT_3(ha, "done\n");
 546 }
 547 
 548 /*
 549  *  ql_get_basedev_len
 550  *
 551  *      Gets the length of the base device name in the
 552  *      devpath of the current instance.
 553  *
 554  * Input:
 555  *      ha              - adapter state pointer.
 556  *      basedev_len     - pointer to the integer which
 557  *                        holds the calculated length.
 558  *      port_index      - pointer to the integer which
 559  *                        contains the port index of
 560  *                        for this device.
 561  * Returns:
 562  *      0 if successfully parsed, -1 otherwise.
 563  *
 564  * Context:
 565  *      Kernel context.
 566  */
 567 static uint32_t
 568 ql_get_basedev_len(ql_adapter_state_t *ha, uint32_t *basedev_len,
 569     uint32_t *port_index)
 570 {
 571         int32_t         dev_off;
 572         int32_t         port_off;
 573         int8_t          *devstr;
 574 
 575         QL_PRINT_3(ha, "started\n");
 576 
 577         if (ha->devpath == NULL) {
 578                 return ((uint32_t)-1);
 579         }
 580 
 581         dev_off = (int32_t)(strlen(ha->devpath) - 1);
 582         port_off = -1;
 583 
 584         /* Until we reach the first char or a '@' char in the path */
 585         while ((dev_off >= 0) && (ha->devpath[dev_off] != '@')) {
 586 
 587                 if (ha->devpath[dev_off] == ',') {
 588                         port_off = dev_off + 1;
 589                 }
 590 
 591                 dev_off--;
 592         }
 593 
 594         if (dev_off < 0) {
 595                 EL(ha, "Invalid device path '%s'. Cannot get basedev\n",
 596                     ha->devpath);
 597                 return ((uint32_t)-1);
 598         }
 599 
 600         if (port_off == -1) {
 601                 *port_index = 0;
 602                 *basedev_len = (uint32_t)strlen(ha->devpath);
 603         } else {
 604                 /* Get the port index */
 605                 devstr = ha->devpath + port_off;
 606                 *port_index = stoi(&devstr);
 607                 if (*port_index == 0) {
 608                         EL(ha, "Invalid device path '%s'. Cannot get "
 609                             "port_index\n", ha->devpath);
 610                         return ((uint32_t)-1);
 611                 }
 612 
 613                 *basedev_len = (uint32_t)(port_off - 1);
 614         }
 615 
 616         QL_PRINT_3(ha, "done\n");
 617 
 618         return (0);
 619 }
 620 
 621 /*
 622  * ql_search_basedev
 623  *      Searches the list of ha instances to find which
 624  *      ha instance has same base device path as input's.
 625  *
 626  * Input:
 627  *      myha            = current adapter state pointer.
 628  *      mybasedev_len   = Length of the base device in the
 629  *                        device path name.
 630  *
 631  * Returns:
 632  *      If match        = ptr to matching ha structure.
 633  *      If no match     = NULL ptr.
 634  *
 635  * Context:
 636  *      Kernel context.
 637  */
 638 static ql_adapter_state_t *
 639 ql_search_basedev(ql_adapter_state_t *myha, uint32_t mybasedev_len)
 640 {
 641         ql_link_t               *link;
 642         ql_adapter_state_t      *ha;
 643         uint32_t                basedev_len, port_index;
 644 
 645         QL_PRINT_3(myha, "started\n", myha->instance);
 646 
 647         for (link = ql_hba.first; link != NULL; link = link->next) {
 648 
 649                 ha = link->base_address;
 650 
 651                 if (ha == NULL) {
 652                         EL(myha, "null ha link detected!\n");
 653                         return (NULL);
 654                 }
 655 
 656                 if (ha == myha) {
 657                         continue;
 658                 }
 659 
 660                 if (ql_get_basedev_len(ha, &basedev_len, &port_index) != 0) {
 661                         if (ha->devpath == NULL) {
 662                                 EL(myha, "Device path NULL. Unable to get "
 663                                     "the basedev\n");
 664                         } else {
 665                                 EL(myha, "Invalid device path '%s'. Cannot "
 666                                     "get the hba index and port index\n",
 667                                     ha->devpath);
 668                         }
 669                         continue;
 670                 }
 671 
 672                 /*
 673                  * If both the basedev len do not match, then it
 674                  * is obvious that both are not pointing to the
 675                  * same base device.
 676                  */
 677                 if ((basedev_len == mybasedev_len) && (strncmp(myha->devpath,
 678                     ha->devpath, basedev_len) == 0)) {
 679 
 680                         /* We found the ha with same basedev */
 681                         QL_PRINT_3(myha, "found, done\n",
 682                             myha->instance);
 683                         return (ha);
 684                 }
 685         }
 686 
 687         QL_PRINT_3(myha, "not found, done\n", myha->instance);
 688 
 689         return (NULL);
 690 }