1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2009 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8 * * 9 * This program is free software; you can redistribute it and/or * 10 * modify it under the terms of version 2 of the GNU General * 11 * Public License as published by the Free Software Foundation. * 12 * This program is distributed in the hope that it will be useful. * 13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17 * TO BE LEGALLY INVALID. See the GNU General Public License for * 18 * more details, a copy of which can be found in the file COPYING * 19 * included with this package. * 20 *******************************************************************/ 21 22 #include <linux/ctype.h> 23 #include <linux/delay.h> 24 #include <linux/pci.h> 25 #include <linux/interrupt.h> 26 #include <linux/aer.h> 27 #include <linux/gfp.h> 28 #include <linux/kernel.h> 29 30 #include <scsi/scsi.h> 31 #include <scsi/scsi_device.h> 32 #include <scsi/scsi_host.h> 33 #include <scsi/scsi_tcq.h> 34 #include <scsi/scsi_transport_fc.h> 35 #include <scsi/fc/fc_fs.h> 36 37 #include "lpfc_hw4.h" 38 #include "lpfc_hw.h" 39 #include "lpfc_sli.h" 40 #include "lpfc_sli4.h" 41 #include "lpfc_nl.h" 42 #include "lpfc_disc.h" 43 #include "lpfc_scsi.h" 44 #include "lpfc.h" 45 #include "lpfc_logmsg.h" 46 #include "lpfc_version.h" 47 #include "lpfc_compat.h" 48 #include "lpfc_crtn.h" 49 #include "lpfc_vport.h" 50 51 #define LPFC_DEF_DEVLOSS_TMO 30 52 #define LPFC_MIN_DEVLOSS_TMO 1 53 #define LPFC_MAX_DEVLOSS_TMO 255 54 55 #define LPFC_MAX_LINK_SPEED 8 56 #define LPFC_LINK_SPEED_BITMAP 0x00000117 57 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" 58 59 /** 60 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules 61 * @incr: integer to convert. 62 * @hdw: ascii string holding converted integer plus a string terminator. 63 * 64 * Description: 65 * JEDEC Joint Electron Device Engineering Council. 66 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii 67 * character string. The string is then terminated with a NULL in byte 9. 68 * Hex 0-9 becomes ascii '0' to '9'. 69 * Hex a-f becomes ascii '=' to 'B' capital B. 70 * 71 * Notes: 72 * Coded for 32 bit integers only. 73 **/ 74 static void 75 lpfc_jedec_to_ascii(int incr, char hdw[]) 76 { 77 int i, j; 78 for (i = 0; i < 8; i++) { 79 j = (incr & 0xf); 80 if (j <= 9) 81 hdw[7 - i] = 0x30 + j; 82 else 83 hdw[7 - i] = 0x61 + j - 10; 84 incr = (incr >> 4); 85 } 86 hdw[8] = 0; 87 return; 88 } 89 90 /** 91 * lpfc_drvr_version_show - Return the Emulex driver string with version number 92 * @dev: class unused variable. 93 * @attr: device attribute, not used. 94 * @buf: on return contains the module description text. 95 * 96 * Returns: size of formatted string. 97 **/ 98 static ssize_t 99 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, 100 char *buf) 101 { 102 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); 103 } 104 105 /** 106 * lpfc_enable_fip_show - Return the fip mode of the HBA 107 * @dev: class unused variable. 108 * @attr: device attribute, not used. 109 * @buf: on return contains the module description text. 110 * 111 * Returns: size of formatted string. 112 **/ 113 static ssize_t 114 lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, 115 char *buf) 116 { 117 struct Scsi_Host *shost = class_to_shost(dev); 118 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 119 struct lpfc_hba *phba = vport->phba; 120 121 if (phba->hba_flag & HBA_FIP_SUPPORT) 122 return snprintf(buf, PAGE_SIZE, "1\n"); 123 else 124 return snprintf(buf, PAGE_SIZE, "0\n"); 125 } 126 127 static ssize_t 128 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, 129 char *buf) 130 { 131 struct Scsi_Host *shost = class_to_shost(dev); 132 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 133 struct lpfc_hba *phba = vport->phba; 134 135 if (phba->cfg_enable_bg) 136 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) 137 return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); 138 else 139 return snprintf(buf, PAGE_SIZE, 140 "BlockGuard Not Supported\n"); 141 else 142 return snprintf(buf, PAGE_SIZE, 143 "BlockGuard Disabled\n"); 144 } 145 146 static ssize_t 147 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, 148 char *buf) 149 { 150 struct Scsi_Host *shost = class_to_shost(dev); 151 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 152 struct lpfc_hba *phba = vport->phba; 153 154 return snprintf(buf, PAGE_SIZE, "%llu\n", 155 (unsigned long long)phba->bg_guard_err_cnt); 156 } 157 158 static ssize_t 159 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, 160 char *buf) 161 { 162 struct Scsi_Host *shost = class_to_shost(dev); 163 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 164 struct lpfc_hba *phba = vport->phba; 165 166 return snprintf(buf, PAGE_SIZE, "%llu\n", 167 (unsigned long long)phba->bg_apptag_err_cnt); 168 } 169 170 static ssize_t 171 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, 172 char *buf) 173 { 174 struct Scsi_Host *shost = class_to_shost(dev); 175 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 176 struct lpfc_hba *phba = vport->phba; 177 178 return snprintf(buf, PAGE_SIZE, "%llu\n", 179 (unsigned long long)phba->bg_reftag_err_cnt); 180 } 181 182 /** 183 * lpfc_info_show - Return some pci info about the host in ascii 184 * @dev: class converted to a Scsi_host structure. 185 * @attr: device attribute, not used. 186 * @buf: on return contains the formatted text from lpfc_info(). 187 * 188 * Returns: size of formatted string. 189 **/ 190 static ssize_t 191 lpfc_info_show(struct device *dev, struct device_attribute *attr, 192 char *buf) 193 { 194 struct Scsi_Host *host = class_to_shost(dev); 195 196 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); 197 } 198 199 /** 200 * lpfc_serialnum_show - Return the hba serial number in ascii 201 * @dev: class converted to a Scsi_host structure. 202 * @attr: device attribute, not used. 203 * @buf: on return contains the formatted text serial number. 204 * 205 * Returns: size of formatted string. 206 **/ 207 static ssize_t 208 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, 209 char *buf) 210 { 211 struct Scsi_Host *shost = class_to_shost(dev); 212 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 213 struct lpfc_hba *phba = vport->phba; 214 215 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); 216 } 217 218 /** 219 * lpfc_temp_sensor_show - Return the temperature sensor level 220 * @dev: class converted to a Scsi_host structure. 221 * @attr: device attribute, not used. 222 * @buf: on return contains the formatted support level. 223 * 224 * Description: 225 * Returns a number indicating the temperature sensor level currently 226 * supported, zero or one in ascii. 227 * 228 * Returns: size of formatted string. 229 **/ 230 static ssize_t 231 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, 232 char *buf) 233 { 234 struct Scsi_Host *shost = class_to_shost(dev); 235 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 236 struct lpfc_hba *phba = vport->phba; 237 return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); 238 } 239 240 /** 241 * lpfc_modeldesc_show - Return the model description of the hba 242 * @dev: class converted to a Scsi_host structure. 243 * @attr: device attribute, not used. 244 * @buf: on return contains the scsi vpd model description. 245 * 246 * Returns: size of formatted string. 247 **/ 248 static ssize_t 249 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, 250 char *buf) 251 { 252 struct Scsi_Host *shost = class_to_shost(dev); 253 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 254 struct lpfc_hba *phba = vport->phba; 255 256 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); 257 } 258 259 /** 260 * lpfc_modelname_show - Return the model name of the hba 261 * @dev: class converted to a Scsi_host structure. 262 * @attr: device attribute, not used. 263 * @buf: on return contains the scsi vpd model name. 264 * 265 * Returns: size of formatted string. 266 **/ 267 static ssize_t 268 lpfc_modelname_show(struct device *dev, struct device_attribute *attr, 269 char *buf) 270 { 271 struct Scsi_Host *shost = class_to_shost(dev); 272 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 273 struct lpfc_hba *phba = vport->phba; 274 275 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); 276 } 277 278 /** 279 * lpfc_programtype_show - Return the program type of the hba 280 * @dev: class converted to a Scsi_host structure. 281 * @attr: device attribute, not used. 282 * @buf: on return contains the scsi vpd program type. 283 * 284 * Returns: size of formatted string. 285 **/ 286 static ssize_t 287 lpfc_programtype_show(struct device *dev, struct device_attribute *attr, 288 char *buf) 289 { 290 struct Scsi_Host *shost = class_to_shost(dev); 291 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 292 struct lpfc_hba *phba = vport->phba; 293 294 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); 295 } 296 297 /** 298 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag 299 * @dev: class converted to a Scsi_host structure. 300 * @attr: device attribute, not used. 301 * @buf: on return contains the Menlo Maintenance sli flag. 302 * 303 * Returns: size of formatted string. 304 **/ 305 static ssize_t 306 lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) 307 { 308 struct Scsi_Host *shost = class_to_shost(dev); 309 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; 310 struct lpfc_hba *phba = vport->phba; 311 312 return snprintf(buf, PAGE_SIZE, "%d\n", 313 (phba->sli.sli_flag & LPFC_MENLO_MAINT)); 314 } 315 316 /** 317 * lpfc_vportnum_show - Return the port number in ascii of the hba 318 * @dev: class converted to a Scsi_host structure. 319 * @attr: device attribute, not used. 320 * @buf: on return contains scsi vpd program type. 321 * 322 * Returns: size of formatted string. 323 **/ 324 static ssize_t 325 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, 326 char *buf) 327 { 328 struct Scsi_Host *shost = class_to_shost(dev); 329 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 330 struct lpfc_hba *phba = vport->phba; 331 332 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); 333 } 334 335 /** 336 * lpfc_fwrev_show - Return the firmware rev running in the hba 337 * @dev: class converted to a Scsi_host structure. 338 * @attr: device attribute, not used. 339 * @buf: on return contains the scsi vpd program type. 340 * 341 * Returns: size of formatted string. 342 **/ 343 static ssize_t 344 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, 345 char *buf) 346 { 347 struct Scsi_Host *shost = class_to_shost(dev); 348 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 349 struct lpfc_hba *phba = vport->phba; 350 char fwrev[32]; 351 352 lpfc_decode_firmware_rev(phba, fwrev, 1); 353 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); 354 } 355 356 /** 357 * lpfc_hdw_show - Return the jedec information about the hba 358 * @dev: class converted to a Scsi_host structure. 359 * @attr: device attribute, not used. 360 * @buf: on return contains the scsi vpd program type. 361 * 362 * Returns: size of formatted string. 363 **/ 364 static ssize_t 365 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) 366 { 367 char hdw[9]; 368 struct Scsi_Host *shost = class_to_shost(dev); 369 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 370 struct lpfc_hba *phba = vport->phba; 371 lpfc_vpd_t *vp = &phba->vpd; 372 373 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); 374 return snprintf(buf, PAGE_SIZE, "%s\n", hdw); 375 } 376 377 /** 378 * lpfc_option_rom_version_show - Return the adapter ROM FCode version 379 * @dev: class converted to a Scsi_host structure. 380 * @attr: device attribute, not used. 381 * @buf: on return contains the ROM and FCode ascii strings. 382 * 383 * Returns: size of formatted string. 384 **/ 385 static ssize_t 386 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, 387 char *buf) 388 { 389 struct Scsi_Host *shost = class_to_shost(dev); 390 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 391 struct lpfc_hba *phba = vport->phba; 392 393 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); 394 } 395 396 /** 397 * lpfc_state_show - Return the link state of the port 398 * @dev: class converted to a Scsi_host structure. 399 * @attr: device attribute, not used. 400 * @buf: on return contains text describing the state of the link. 401 * 402 * Notes: 403 * The switch statement has no default so zero will be returned. 404 * 405 * Returns: size of formatted string. 406 **/ 407 static ssize_t 408 lpfc_link_state_show(struct device *dev, struct device_attribute *attr, 409 char *buf) 410 { 411 struct Scsi_Host *shost = class_to_shost(dev); 412 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 413 struct lpfc_hba *phba = vport->phba; 414 int len = 0; 415 416 switch (phba->link_state) { 417 case LPFC_LINK_UNKNOWN: 418 case LPFC_WARM_START: 419 case LPFC_INIT_START: 420 case LPFC_INIT_MBX_CMDS: 421 case LPFC_LINK_DOWN: 422 case LPFC_HBA_ERROR: 423 if (phba->hba_flag & LINK_DISABLED) 424 len += snprintf(buf + len, PAGE_SIZE-len, 425 "Link Down - User disabled\n"); 426 else 427 len += snprintf(buf + len, PAGE_SIZE-len, 428 "Link Down\n"); 429 break; 430 case LPFC_LINK_UP: 431 case LPFC_CLEAR_LA: 432 case LPFC_HBA_READY: 433 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); 434 435 switch (vport->port_state) { 436 case LPFC_LOCAL_CFG_LINK: 437 len += snprintf(buf + len, PAGE_SIZE-len, 438 "Configuring Link\n"); 439 break; 440 case LPFC_FDISC: 441 case LPFC_FLOGI: 442 case LPFC_FABRIC_CFG_LINK: 443 case LPFC_NS_REG: 444 case LPFC_NS_QRY: 445 case LPFC_BUILD_DISC_LIST: 446 case LPFC_DISC_AUTH: 447 len += snprintf(buf + len, PAGE_SIZE - len, 448 "Discovery\n"); 449 break; 450 case LPFC_VPORT_READY: 451 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); 452 break; 453 454 case LPFC_VPORT_FAILED: 455 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); 456 break; 457 458 case LPFC_VPORT_UNKNOWN: 459 len += snprintf(buf + len, PAGE_SIZE - len, 460 "Unknown\n"); 461 break; 462 } 463 if (phba->sli.sli_flag & LPFC_MENLO_MAINT) 464 len += snprintf(buf + len, PAGE_SIZE-len, 465 " Menlo Maint Mode\n"); 466 else if (phba->fc_topology == TOPOLOGY_LOOP) { 467 if (vport->fc_flag & FC_PUBLIC_LOOP) 468 len += snprintf(buf + len, PAGE_SIZE-len, 469 " Public Loop\n"); 470 else 471 len += snprintf(buf + len, PAGE_SIZE-len, 472 " Private Loop\n"); 473 } else { 474 if (vport->fc_flag & FC_FABRIC) 475 len += snprintf(buf + len, PAGE_SIZE-len, 476 " Fabric\n"); 477 else 478 len += snprintf(buf + len, PAGE_SIZE-len, 479 " Point-2-Point\n"); 480 } 481 } 482 483 return len; 484 } 485 486 /** 487 * lpfc_link_state_store - Transition the link_state on an HBA port 488 * @dev: class device that is converted into a Scsi_host. 489 * @attr: device attribute, not used. 490 * @buf: one or more lpfc_polling_flags values. 491 * @count: not used. 492 * 493 * Returns: 494 * -EINVAL if the buffer is not "up" or "down" 495 * return from link state change function if non-zero 496 * length of the buf on success 497 **/ 498 static ssize_t 499 lpfc_link_state_store(struct device *dev, struct device_attribute *attr, 500 const char *buf, size_t count) 501 { 502 struct Scsi_Host *shost = class_to_shost(dev); 503 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 504 struct lpfc_hba *phba = vport->phba; 505 506 int status = -EINVAL; 507 508 if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && 509 (phba->link_state == LPFC_LINK_DOWN)) 510 status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); 511 else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && 512 (phba->link_state >= LPFC_LINK_UP)) 513 status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); 514 515 if (status == 0) 516 return strlen(buf); 517 else 518 return status; 519 } 520 521 /** 522 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports 523 * @dev: class device that is converted into a Scsi_host. 524 * @attr: device attribute, not used. 525 * @buf: on return contains the sum of fc mapped and unmapped. 526 * 527 * Description: 528 * Returns the ascii text number of the sum of the fc mapped and unmapped 529 * vport counts. 530 * 531 * Returns: size of formatted string. 532 **/ 533 static ssize_t 534 lpfc_num_discovered_ports_show(struct device *dev, 535 struct device_attribute *attr, char *buf) 536 { 537 struct Scsi_Host *shost = class_to_shost(dev); 538 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 539 540 return snprintf(buf, PAGE_SIZE, "%d\n", 541 vport->fc_map_cnt + vport->fc_unmap_cnt); 542 } 543 544 /** 545 * lpfc_issue_lip - Misnomer, name carried over from long ago 546 * @shost: Scsi_Host pointer. 547 * 548 * Description: 549 * Bring the link down gracefully then re-init the link. The firmware will 550 * re-init the fiber channel interface as required. Does not issue a LIP. 551 * 552 * Returns: 553 * -EPERM port offline or management commands are being blocked 554 * -ENOMEM cannot allocate memory for the mailbox command 555 * -EIO error sending the mailbox command 556 * zero for success 557 **/ 558 static int 559 lpfc_issue_lip(struct Scsi_Host *shost) 560 { 561 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 562 struct lpfc_hba *phba = vport->phba; 563 LPFC_MBOXQ_t *pmboxq; 564 int mbxstatus = MBXERR_ERROR; 565 566 if ((vport->fc_flag & FC_OFFLINE_MODE) || 567 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) 568 return -EPERM; 569 570 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 571 572 if (!pmboxq) 573 return -ENOMEM; 574 575 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 576 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; 577 pmboxq->u.mb.mbxOwner = OWN_HOST; 578 579 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); 580 581 if ((mbxstatus == MBX_SUCCESS) && 582 (pmboxq->u.mb.mbxStatus == 0 || 583 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { 584 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 585 lpfc_init_link(phba, pmboxq, phba->cfg_topology, 586 phba->cfg_link_speed); 587 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, 588 phba->fc_ratov * 2); 589 } 590 591 lpfc_set_loopback_flag(phba); 592 if (mbxstatus != MBX_TIMEOUT) 593 mempool_free(pmboxq, phba->mbox_mem_pool); 594 595 if (mbxstatus == MBXERR_ERROR) 596 return -EIO; 597 598 return 0; 599 } 600 601 /** 602 * lpfc_do_offline - Issues a mailbox command to bring the link down 603 * @phba: lpfc_hba pointer. 604 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. 605 * 606 * Notes: 607 * Assumes any error from lpfc_do_offline() will be negative. 608 * Can wait up to 5 seconds for the port ring buffers count 609 * to reach zero, prints a warning if it is not zero and continues. 610 * lpfc_workq_post_event() returns a non-zero return code if call fails. 611 * 612 * Returns: 613 * -EIO error posting the event 614 * zero for success 615 **/ 616 static int 617 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) 618 { 619 struct completion online_compl; 620 struct lpfc_sli_ring *pring; 621 struct lpfc_sli *psli; 622 int status = 0; 623 int cnt = 0; 624 int i; 625 626 init_completion(&online_compl); 627 lpfc_workq_post_event(phba, &status, &online_compl, 628 LPFC_EVT_OFFLINE_PREP); 629 wait_for_completion(&online_compl); 630 631 if (status != 0) 632 return -EIO; 633 634 psli = &phba->sli; 635 636 /* Wait a little for things to settle down, but not 637 * long enough for dev loss timeout to expire. 638 */ 639 for (i = 0; i < psli->num_rings; i++) { 640 pring = &psli->ring[i]; 641 while (pring->txcmplq_cnt) { 642 msleep(10); 643 if (cnt++ > 500) { /* 5 secs */ 644 lpfc_printf_log(phba, 645 KERN_WARNING, LOG_INIT, 646 "0466 Outstanding IO when " 647 "bringing Adapter offline\n"); 648 break; 649 } 650 } 651 } 652 653 init_completion(&online_compl); 654 lpfc_workq_post_event(phba, &status, &online_compl, type); 655 wait_for_completion(&online_compl); 656 657 if (status != 0) 658 return -EIO; 659 660 return 0; 661 } 662 663 /** 664 * lpfc_selective_reset - Offline then onlines the port 665 * @phba: lpfc_hba pointer. 666 * 667 * Description: 668 * If the port is configured to allow a reset then the hba is brought 669 * offline then online. 670 * 671 * Notes: 672 * Assumes any error from lpfc_do_offline() will be negative. 673 * 674 * Returns: 675 * lpfc_do_offline() return code if not zero 676 * -EIO reset not configured or error posting the event 677 * zero for success 678 **/ 679 static int 680 lpfc_selective_reset(struct lpfc_hba *phba) 681 { 682 struct completion online_compl; 683 int status = 0; 684 685 if (!phba->cfg_enable_hba_reset) 686 return -EIO; 687 688 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 689 690 if (status != 0) 691 return status; 692 693 init_completion(&online_compl); 694 lpfc_workq_post_event(phba, &status, &online_compl, 695 LPFC_EVT_ONLINE); 696 wait_for_completion(&online_compl); 697 698 if (status != 0) 699 return -EIO; 700 701 return 0; 702 } 703 704 /** 705 * lpfc_issue_reset - Selectively resets an adapter 706 * @dev: class device that is converted into a Scsi_host. 707 * @attr: device attribute, not used. 708 * @buf: containing the string "selective". 709 * @count: unused variable. 710 * 711 * Description: 712 * If the buf contains the string "selective" then lpfc_selective_reset() 713 * is called to perform the reset. 714 * 715 * Notes: 716 * Assumes any error from lpfc_selective_reset() will be negative. 717 * If lpfc_selective_reset() returns zero then the length of the buffer 718 * is returned which indicates success 719 * 720 * Returns: 721 * -EINVAL if the buffer does not contain the string "selective" 722 * length of buf if lpfc-selective_reset() if the call succeeds 723 * return value of lpfc_selective_reset() if the call fails 724 **/ 725 static ssize_t 726 lpfc_issue_reset(struct device *dev, struct device_attribute *attr, 727 const char *buf, size_t count) 728 { 729 struct Scsi_Host *shost = class_to_shost(dev); 730 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 731 struct lpfc_hba *phba = vport->phba; 732 733 int status = -EINVAL; 734 735 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) 736 status = lpfc_selective_reset(phba); 737 738 if (status == 0) 739 return strlen(buf); 740 else 741 return status; 742 } 743 744 /** 745 * lpfc_nport_evt_cnt_show - Return the number of nport events 746 * @dev: class device that is converted into a Scsi_host. 747 * @attr: device attribute, not used. 748 * @buf: on return contains the ascii number of nport events. 749 * 750 * Returns: size of formatted string. 751 **/ 752 static ssize_t 753 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, 754 char *buf) 755 { 756 struct Scsi_Host *shost = class_to_shost(dev); 757 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 758 struct lpfc_hba *phba = vport->phba; 759 760 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); 761 } 762 763 /** 764 * lpfc_board_mode_show - Return the state of the board 765 * @dev: class device that is converted into a Scsi_host. 766 * @attr: device attribute, not used. 767 * @buf: on return contains the state of the adapter. 768 * 769 * Returns: size of formatted string. 770 **/ 771 static ssize_t 772 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, 773 char *buf) 774 { 775 struct Scsi_Host *shost = class_to_shost(dev); 776 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 777 struct lpfc_hba *phba = vport->phba; 778 char * state; 779 780 if (phba->link_state == LPFC_HBA_ERROR) 781 state = "error"; 782 else if (phba->link_state == LPFC_WARM_START) 783 state = "warm start"; 784 else if (phba->link_state == LPFC_INIT_START) 785 state = "offline"; 786 else 787 state = "online"; 788 789 return snprintf(buf, PAGE_SIZE, "%s\n", state); 790 } 791 792 /** 793 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state 794 * @dev: class device that is converted into a Scsi_host. 795 * @attr: device attribute, not used. 796 * @buf: containing one of the strings "online", "offline", "warm" or "error". 797 * @count: unused variable. 798 * 799 * Returns: 800 * -EACCES if enable hba reset not enabled 801 * -EINVAL if the buffer does not contain a valid string (see above) 802 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails 803 * buf length greater than zero indicates success 804 **/ 805 static ssize_t 806 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, 807 const char *buf, size_t count) 808 { 809 struct Scsi_Host *shost = class_to_shost(dev); 810 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 811 struct lpfc_hba *phba = vport->phba; 812 struct completion online_compl; 813 int status=0; 814 815 if (!phba->cfg_enable_hba_reset) 816 return -EACCES; 817 init_completion(&online_compl); 818 819 if(strncmp(buf, "online", sizeof("online") - 1) == 0) { 820 lpfc_workq_post_event(phba, &status, &online_compl, 821 LPFC_EVT_ONLINE); 822 wait_for_completion(&online_compl); 823 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) 824 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 825 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) 826 if (phba->sli_rev == LPFC_SLI_REV4) 827 return -EINVAL; 828 else 829 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); 830 else if (strncmp(buf, "error", sizeof("error") - 1) == 0) 831 if (phba->sli_rev == LPFC_SLI_REV4) 832 return -EINVAL; 833 else 834 status = lpfc_do_offline(phba, LPFC_EVT_KILL); 835 else 836 return -EINVAL; 837 838 if (!status) 839 return strlen(buf); 840 else 841 return -EIO; 842 } 843 844 /** 845 * lpfc_get_hba_info - Return various bits of informaton about the adapter 846 * @phba: pointer to the adapter structure. 847 * @mxri: max xri count. 848 * @axri: available xri count. 849 * @mrpi: max rpi count. 850 * @arpi: available rpi count. 851 * @mvpi: max vpi count. 852 * @avpi: available vpi count. 853 * 854 * Description: 855 * If an integer pointer for an count is not null then the value for the 856 * count is returned. 857 * 858 * Returns: 859 * zero on error 860 * one for success 861 **/ 862 static int 863 lpfc_get_hba_info(struct lpfc_hba *phba, 864 uint32_t *mxri, uint32_t *axri, 865 uint32_t *mrpi, uint32_t *arpi, 866 uint32_t *mvpi, uint32_t *avpi) 867 { 868 struct lpfc_mbx_read_config *rd_config; 869 LPFC_MBOXQ_t *pmboxq; 870 MAILBOX_t *pmb; 871 int rc = 0; 872 uint32_t max_vpi; 873 874 /* 875 * prevent udev from issuing mailbox commands until the port is 876 * configured. 877 */ 878 if (phba->link_state < LPFC_LINK_DOWN || 879 !phba->mbox_mem_pool || 880 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) 881 return 0; 882 883 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 884 return 0; 885 886 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 887 if (!pmboxq) 888 return 0; 889 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 890 891 pmb = &pmboxq->u.mb; 892 pmb->mbxCommand = MBX_READ_CONFIG; 893 pmb->mbxOwner = OWN_HOST; 894 pmboxq->context1 = NULL; 895 896 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 897 rc = MBX_NOT_FINISHED; 898 else 899 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 900 901 if (rc != MBX_SUCCESS) { 902 if (rc != MBX_TIMEOUT) 903 mempool_free(pmboxq, phba->mbox_mem_pool); 904 return 0; 905 } 906 907 if (phba->sli_rev == LPFC_SLI_REV4) { 908 rd_config = &pmboxq->u.mqe.un.rd_config; 909 if (mrpi) 910 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); 911 if (arpi) 912 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - 913 phba->sli4_hba.max_cfg_param.rpi_used; 914 if (mxri) 915 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); 916 if (axri) 917 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - 918 phba->sli4_hba.max_cfg_param.xri_used; 919 920 /* Account for differences with SLI-3. Get vpi count from 921 * mailbox data and subtract one for max vpi value. 922 */ 923 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? 924 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; 925 926 if (mvpi) 927 *mvpi = max_vpi; 928 if (avpi) 929 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; 930 } else { 931 if (mrpi) 932 *mrpi = pmb->un.varRdConfig.max_rpi; 933 if (arpi) 934 *arpi = pmb->un.varRdConfig.avail_rpi; 935 if (mxri) 936 *mxri = pmb->un.varRdConfig.max_xri; 937 if (axri) 938 *axri = pmb->un.varRdConfig.avail_xri; 939 if (mvpi) 940 *mvpi = pmb->un.varRdConfig.max_vpi; 941 if (avpi) 942 *avpi = pmb->un.varRdConfig.avail_vpi; 943 } 944 945 mempool_free(pmboxq, phba->mbox_mem_pool); 946 return 1; 947 } 948 949 /** 950 * lpfc_max_rpi_show - Return maximum rpi 951 * @dev: class device that is converted into a Scsi_host. 952 * @attr: device attribute, not used. 953 * @buf: on return contains the maximum rpi count in decimal or "Unknown". 954 * 955 * Description: 956 * Calls lpfc_get_hba_info() asking for just the mrpi count. 957 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 958 * to "Unknown" and the buffer length is returned, therefore the caller 959 * must check for "Unknown" in the buffer to detect a failure. 960 * 961 * Returns: size of formatted string. 962 **/ 963 static ssize_t 964 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, 965 char *buf) 966 { 967 struct Scsi_Host *shost = class_to_shost(dev); 968 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 969 struct lpfc_hba *phba = vport->phba; 970 uint32_t cnt; 971 972 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) 973 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 974 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 975 } 976 977 /** 978 * lpfc_used_rpi_show - Return maximum rpi minus available rpi 979 * @dev: class device that is converted into a Scsi_host. 980 * @attr: device attribute, not used. 981 * @buf: containing the used rpi count in decimal or "Unknown". 982 * 983 * Description: 984 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. 985 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 986 * to "Unknown" and the buffer length is returned, therefore the caller 987 * must check for "Unknown" in the buffer to detect a failure. 988 * 989 * Returns: size of formatted string. 990 **/ 991 static ssize_t 992 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, 993 char *buf) 994 { 995 struct Scsi_Host *shost = class_to_shost(dev); 996 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 997 struct lpfc_hba *phba = vport->phba; 998 uint32_t cnt, acnt; 999 1000 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) 1001 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1002 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1003 } 1004 1005 /** 1006 * lpfc_max_xri_show - Return maximum xri 1007 * @dev: class device that is converted into a Scsi_host. 1008 * @attr: device attribute, not used. 1009 * @buf: on return contains the maximum xri count in decimal or "Unknown". 1010 * 1011 * Description: 1012 * Calls lpfc_get_hba_info() asking for just the mrpi count. 1013 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1014 * to "Unknown" and the buffer length is returned, therefore the caller 1015 * must check for "Unknown" in the buffer to detect a failure. 1016 * 1017 * Returns: size of formatted string. 1018 **/ 1019 static ssize_t 1020 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, 1021 char *buf) 1022 { 1023 struct Scsi_Host *shost = class_to_shost(dev); 1024 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1025 struct lpfc_hba *phba = vport->phba; 1026 uint32_t cnt; 1027 1028 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) 1029 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 1030 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1031 } 1032 1033 /** 1034 * lpfc_used_xri_show - Return maximum xpi minus the available xpi 1035 * @dev: class device that is converted into a Scsi_host. 1036 * @attr: device attribute, not used. 1037 * @buf: on return contains the used xri count in decimal or "Unknown". 1038 * 1039 * Description: 1040 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. 1041 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1042 * to "Unknown" and the buffer length is returned, therefore the caller 1043 * must check for "Unknown" in the buffer to detect a failure. 1044 * 1045 * Returns: size of formatted string. 1046 **/ 1047 static ssize_t 1048 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, 1049 char *buf) 1050 { 1051 struct Scsi_Host *shost = class_to_shost(dev); 1052 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1053 struct lpfc_hba *phba = vport->phba; 1054 uint32_t cnt, acnt; 1055 1056 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) 1057 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1058 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1059 } 1060 1061 /** 1062 * lpfc_max_vpi_show - Return maximum vpi 1063 * @dev: class device that is converted into a Scsi_host. 1064 * @attr: device attribute, not used. 1065 * @buf: on return contains the maximum vpi count in decimal or "Unknown". 1066 * 1067 * Description: 1068 * Calls lpfc_get_hba_info() asking for just the mvpi count. 1069 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1070 * to "Unknown" and the buffer length is returned, therefore the caller 1071 * must check for "Unknown" in the buffer to detect a failure. 1072 * 1073 * Returns: size of formatted string. 1074 **/ 1075 static ssize_t 1076 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, 1077 char *buf) 1078 { 1079 struct Scsi_Host *shost = class_to_shost(dev); 1080 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1081 struct lpfc_hba *phba = vport->phba; 1082 uint32_t cnt; 1083 1084 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) 1085 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 1086 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1087 } 1088 1089 /** 1090 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi 1091 * @dev: class device that is converted into a Scsi_host. 1092 * @attr: device attribute, not used. 1093 * @buf: on return contains the used vpi count in decimal or "Unknown". 1094 * 1095 * Description: 1096 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. 1097 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1098 * to "Unknown" and the buffer length is returned, therefore the caller 1099 * must check for "Unknown" in the buffer to detect a failure. 1100 * 1101 * Returns: size of formatted string. 1102 **/ 1103 static ssize_t 1104 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, 1105 char *buf) 1106 { 1107 struct Scsi_Host *shost = class_to_shost(dev); 1108 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1109 struct lpfc_hba *phba = vport->phba; 1110 uint32_t cnt, acnt; 1111 1112 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) 1113 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1114 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1115 } 1116 1117 /** 1118 * lpfc_npiv_info_show - Return text about NPIV support for the adapter 1119 * @dev: class device that is converted into a Scsi_host. 1120 * @attr: device attribute, not used. 1121 * @buf: text that must be interpreted to determine if npiv is supported. 1122 * 1123 * Description: 1124 * Buffer will contain text indicating npiv is not suppoerted on the port, 1125 * the port is an NPIV physical port, or it is an npiv virtual port with 1126 * the id of the vport. 1127 * 1128 * Returns: size of formatted string. 1129 **/ 1130 static ssize_t 1131 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, 1132 char *buf) 1133 { 1134 struct Scsi_Host *shost = class_to_shost(dev); 1135 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1136 struct lpfc_hba *phba = vport->phba; 1137 1138 if (!(phba->max_vpi)) 1139 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); 1140 if (vport->port_type == LPFC_PHYSICAL_PORT) 1141 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); 1142 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); 1143 } 1144 1145 /** 1146 * lpfc_poll_show - Return text about poll support for the adapter 1147 * @dev: class device that is converted into a Scsi_host. 1148 * @attr: device attribute, not used. 1149 * @buf: on return contains the cfg_poll in hex. 1150 * 1151 * Notes: 1152 * cfg_poll should be a lpfc_polling_flags type. 1153 * 1154 * Returns: size of formatted string. 1155 **/ 1156 static ssize_t 1157 lpfc_poll_show(struct device *dev, struct device_attribute *attr, 1158 char *buf) 1159 { 1160 struct Scsi_Host *shost = class_to_shost(dev); 1161 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1162 struct lpfc_hba *phba = vport->phba; 1163 1164 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); 1165 } 1166 1167 /** 1168 * lpfc_poll_store - Set the value of cfg_poll for the adapter 1169 * @dev: class device that is converted into a Scsi_host. 1170 * @attr: device attribute, not used. 1171 * @buf: one or more lpfc_polling_flags values. 1172 * @count: not used. 1173 * 1174 * Notes: 1175 * buf contents converted to integer and checked for a valid value. 1176 * 1177 * Returns: 1178 * -EINVAL if the buffer connot be converted or is out of range 1179 * length of the buf on success 1180 **/ 1181 static ssize_t 1182 lpfc_poll_store(struct device *dev, struct device_attribute *attr, 1183 const char *buf, size_t count) 1184 { 1185 struct Scsi_Host *shost = class_to_shost(dev); 1186 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1187 struct lpfc_hba *phba = vport->phba; 1188 uint32_t creg_val; 1189 uint32_t old_val; 1190 int val=0; 1191 1192 if (!isdigit(buf[0])) 1193 return -EINVAL; 1194 1195 if (sscanf(buf, "%i", &val) != 1) 1196 return -EINVAL; 1197 1198 if ((val & 0x3) != val) 1199 return -EINVAL; 1200 1201 if (phba->sli_rev == LPFC_SLI_REV4) 1202 val = 0; 1203 1204 spin_lock_irq(&phba->hbalock); 1205 1206 old_val = phba->cfg_poll; 1207 1208 if (val & ENABLE_FCP_RING_POLLING) { 1209 if ((val & DISABLE_FCP_RING_INT) && 1210 !(old_val & DISABLE_FCP_RING_INT)) { 1211 creg_val = readl(phba->HCregaddr); 1212 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); 1213 writel(creg_val, phba->HCregaddr); 1214 readl(phba->HCregaddr); /* flush */ 1215 1216 lpfc_poll_start_timer(phba); 1217 } 1218 } else if (val != 0x0) { 1219 spin_unlock_irq(&phba->hbalock); 1220 return -EINVAL; 1221 } 1222 1223 if (!(val & DISABLE_FCP_RING_INT) && 1224 (old_val & DISABLE_FCP_RING_INT)) 1225 { 1226 spin_unlock_irq(&phba->hbalock); 1227 del_timer(&phba->fcp_poll_timer); 1228 spin_lock_irq(&phba->hbalock); 1229 creg_val = readl(phba->HCregaddr); 1230 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); 1231 writel(creg_val, phba->HCregaddr); 1232 readl(phba->HCregaddr); /* flush */ 1233 } 1234 1235 phba->cfg_poll = val; 1236 1237 spin_unlock_irq(&phba->hbalock); 1238 1239 return strlen(buf); 1240 } 1241 1242 /** 1243 * lpfc_fips_level_show - Return the current FIPS level for the HBA 1244 * @dev: class unused variable. 1245 * @attr: device attribute, not used. 1246 * @buf: on return contains the module description text. 1247 * 1248 * Returns: size of formatted string. 1249 **/ 1250 static ssize_t 1251 lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, 1252 char *buf) 1253 { 1254 struct Scsi_Host *shost = class_to_shost(dev); 1255 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1256 struct lpfc_hba *phba = vport->phba; 1257 1258 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); 1259 } 1260 1261 /** 1262 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA 1263 * @dev: class unused variable. 1264 * @attr: device attribute, not used. 1265 * @buf: on return contains the module description text. 1266 * 1267 * Returns: size of formatted string. 1268 **/ 1269 static ssize_t 1270 lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, 1271 char *buf) 1272 { 1273 struct Scsi_Host *shost = class_to_shost(dev); 1274 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1275 struct lpfc_hba *phba = vport->phba; 1276 1277 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); 1278 } 1279 1280 /** 1281 * lpfc_param_show - Return a cfg attribute value in decimal 1282 * 1283 * Description: 1284 * Macro that given an attr e.g. hba_queue_depth expands 1285 * into a function with the name lpfc_hba_queue_depth_show. 1286 * 1287 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. 1288 * @dev: class device that is converted into a Scsi_host. 1289 * @attr: device attribute, not used. 1290 * @buf: on return contains the attribute value in decimal. 1291 * 1292 * Returns: size of formatted string. 1293 **/ 1294 #define lpfc_param_show(attr) \ 1295 static ssize_t \ 1296 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1297 char *buf) \ 1298 { \ 1299 struct Scsi_Host *shost = class_to_shost(dev);\ 1300 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1301 struct lpfc_hba *phba = vport->phba;\ 1302 uint val = 0;\ 1303 val = phba->cfg_##attr;\ 1304 return snprintf(buf, PAGE_SIZE, "%d\n",\ 1305 phba->cfg_##attr);\ 1306 } 1307 1308 /** 1309 * lpfc_param_hex_show - Return a cfg attribute value in hex 1310 * 1311 * Description: 1312 * Macro that given an attr e.g. hba_queue_depth expands 1313 * into a function with the name lpfc_hba_queue_depth_show 1314 * 1315 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. 1316 * @dev: class device that is converted into a Scsi_host. 1317 * @attr: device attribute, not used. 1318 * @buf: on return contains the attribute value in hexadecimal. 1319 * 1320 * Returns: size of formatted string. 1321 **/ 1322 #define lpfc_param_hex_show(attr) \ 1323 static ssize_t \ 1324 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1325 char *buf) \ 1326 { \ 1327 struct Scsi_Host *shost = class_to_shost(dev);\ 1328 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1329 struct lpfc_hba *phba = vport->phba;\ 1330 uint val = 0;\ 1331 val = phba->cfg_##attr;\ 1332 return snprintf(buf, PAGE_SIZE, "%#x\n",\ 1333 phba->cfg_##attr);\ 1334 } 1335 1336 /** 1337 * lpfc_param_init - Intializes a cfg attribute 1338 * 1339 * Description: 1340 * Macro that given an attr e.g. hba_queue_depth expands 1341 * into a function with the name lpfc_hba_queue_depth_init. The macro also 1342 * takes a default argument, a minimum and maximum argument. 1343 * 1344 * lpfc_##attr##_init: Initializes an attribute. 1345 * @phba: pointer the the adapter structure. 1346 * @val: integer attribute value. 1347 * 1348 * Validates the min and max values then sets the adapter config field 1349 * accordingly, or uses the default if out of range and prints an error message. 1350 * 1351 * Returns: 1352 * zero on success 1353 * -EINVAL if default used 1354 **/ 1355 #define lpfc_param_init(attr, default, minval, maxval) \ 1356 static int \ 1357 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ 1358 { \ 1359 if (val >= minval && val <= maxval) {\ 1360 phba->cfg_##attr = val;\ 1361 return 0;\ 1362 }\ 1363 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ 1364 "0449 lpfc_"#attr" attribute cannot be set to %d, "\ 1365 "allowed range is ["#minval", "#maxval"]\n", val); \ 1366 phba->cfg_##attr = default;\ 1367 return -EINVAL;\ 1368 } 1369 1370 /** 1371 * lpfc_param_set - Set a cfg attribute value 1372 * 1373 * Description: 1374 * Macro that given an attr e.g. hba_queue_depth expands 1375 * into a function with the name lpfc_hba_queue_depth_set 1376 * 1377 * lpfc_##attr##_set: Sets an attribute value. 1378 * @phba: pointer the the adapter structure. 1379 * @val: integer attribute value. 1380 * 1381 * Description: 1382 * Validates the min and max values then sets the 1383 * adapter config field if in the valid range. prints error message 1384 * and does not set the parameter if invalid. 1385 * 1386 * Returns: 1387 * zero on success 1388 * -EINVAL if val is invalid 1389 **/ 1390 #define lpfc_param_set(attr, default, minval, maxval) \ 1391 static int \ 1392 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ 1393 { \ 1394 if (val >= minval && val <= maxval) {\ 1395 phba->cfg_##attr = val;\ 1396 return 0;\ 1397 }\ 1398 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ 1399 "0450 lpfc_"#attr" attribute cannot be set to %d, "\ 1400 "allowed range is ["#minval", "#maxval"]\n", val); \ 1401 return -EINVAL;\ 1402 } 1403 1404 /** 1405 * lpfc_param_store - Set a vport attribute value 1406 * 1407 * Description: 1408 * Macro that given an attr e.g. hba_queue_depth expands 1409 * into a function with the name lpfc_hba_queue_depth_store. 1410 * 1411 * lpfc_##attr##_store: Set an sttribute value. 1412 * @dev: class device that is converted into a Scsi_host. 1413 * @attr: device attribute, not used. 1414 * @buf: contains the attribute value in ascii. 1415 * @count: not used. 1416 * 1417 * Description: 1418 * Convert the ascii text number to an integer, then 1419 * use the lpfc_##attr##_set function to set the value. 1420 * 1421 * Returns: 1422 * -EINVAL if val is invalid or lpfc_##attr##_set() fails 1423 * length of buffer upon success. 1424 **/ 1425 #define lpfc_param_store(attr) \ 1426 static ssize_t \ 1427 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ 1428 const char *buf, size_t count) \ 1429 { \ 1430 struct Scsi_Host *shost = class_to_shost(dev);\ 1431 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1432 struct lpfc_hba *phba = vport->phba;\ 1433 uint val = 0;\ 1434 if (!isdigit(buf[0]))\ 1435 return -EINVAL;\ 1436 if (sscanf(buf, "%i", &val) != 1)\ 1437 return -EINVAL;\ 1438 if (lpfc_##attr##_set(phba, val) == 0) \ 1439 return strlen(buf);\ 1440 else \ 1441 return -EINVAL;\ 1442 } 1443 1444 /** 1445 * lpfc_vport_param_show - Return decimal formatted cfg attribute value 1446 * 1447 * Description: 1448 * Macro that given an attr e.g. hba_queue_depth expands 1449 * into a function with the name lpfc_hba_queue_depth_show 1450 * 1451 * lpfc_##attr##_show: prints the attribute value in decimal. 1452 * @dev: class device that is converted into a Scsi_host. 1453 * @attr: device attribute, not used. 1454 * @buf: on return contains the attribute value in decimal. 1455 * 1456 * Returns: length of formatted string. 1457 **/ 1458 #define lpfc_vport_param_show(attr) \ 1459 static ssize_t \ 1460 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1461 char *buf) \ 1462 { \ 1463 struct Scsi_Host *shost = class_to_shost(dev);\ 1464 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1465 uint val = 0;\ 1466 val = vport->cfg_##attr;\ 1467 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ 1468 } 1469 1470 /** 1471 * lpfc_vport_param_hex_show - Return hex formatted attribute value 1472 * 1473 * Description: 1474 * Macro that given an attr e.g. 1475 * hba_queue_depth expands into a function with the name 1476 * lpfc_hba_queue_depth_show 1477 * 1478 * lpfc_##attr##_show: prints the attribute value in hexadecimal. 1479 * @dev: class device that is converted into a Scsi_host. 1480 * @attr: device attribute, not used. 1481 * @buf: on return contains the attribute value in hexadecimal. 1482 * 1483 * Returns: length of formatted string. 1484 **/ 1485 #define lpfc_vport_param_hex_show(attr) \ 1486 static ssize_t \ 1487 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1488 char *buf) \ 1489 { \ 1490 struct Scsi_Host *shost = class_to_shost(dev);\ 1491 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1492 uint val = 0;\ 1493 val = vport->cfg_##attr;\ 1494 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ 1495 } 1496 1497 /** 1498 * lpfc_vport_param_init - Initialize a vport cfg attribute 1499 * 1500 * Description: 1501 * Macro that given an attr e.g. hba_queue_depth expands 1502 * into a function with the name lpfc_hba_queue_depth_init. The macro also 1503 * takes a default argument, a minimum and maximum argument. 1504 * 1505 * lpfc_##attr##_init: validates the min and max values then sets the 1506 * adapter config field accordingly, or uses the default if out of range 1507 * and prints an error message. 1508 * @phba: pointer the the adapter structure. 1509 * @val: integer attribute value. 1510 * 1511 * Returns: 1512 * zero on success 1513 * -EINVAL if default used 1514 **/ 1515 #define lpfc_vport_param_init(attr, default, minval, maxval) \ 1516 static int \ 1517 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ 1518 { \ 1519 if (val >= minval && val <= maxval) {\ 1520 vport->cfg_##attr = val;\ 1521 return 0;\ 1522 }\ 1523 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ 1524 "0423 lpfc_"#attr" attribute cannot be set to %d, "\ 1525 "allowed range is ["#minval", "#maxval"]\n", val); \ 1526 vport->cfg_##attr = default;\ 1527 return -EINVAL;\ 1528 } 1529 1530 /** 1531 * lpfc_vport_param_set - Set a vport cfg attribute 1532 * 1533 * Description: 1534 * Macro that given an attr e.g. hba_queue_depth expands 1535 * into a function with the name lpfc_hba_queue_depth_set 1536 * 1537 * lpfc_##attr##_set: validates the min and max values then sets the 1538 * adapter config field if in the valid range. prints error message 1539 * and does not set the parameter if invalid. 1540 * @phba: pointer the the adapter structure. 1541 * @val: integer attribute value. 1542 * 1543 * Returns: 1544 * zero on success 1545 * -EINVAL if val is invalid 1546 **/ 1547 #define lpfc_vport_param_set(attr, default, minval, maxval) \ 1548 static int \ 1549 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ 1550 { \ 1551 if (val >= minval && val <= maxval) {\ 1552 vport->cfg_##attr = val;\ 1553 return 0;\ 1554 }\ 1555 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ 1556 "0424 lpfc_"#attr" attribute cannot be set to %d, "\ 1557 "allowed range is ["#minval", "#maxval"]\n", val); \ 1558 return -EINVAL;\ 1559 } 1560 1561 /** 1562 * lpfc_vport_param_store - Set a vport attribute 1563 * 1564 * Description: 1565 * Macro that given an attr e.g. hba_queue_depth 1566 * expands into a function with the name lpfc_hba_queue_depth_store 1567 * 1568 * lpfc_##attr##_store: convert the ascii text number to an integer, then 1569 * use the lpfc_##attr##_set function to set the value. 1570 * @cdev: class device that is converted into a Scsi_host. 1571 * @buf: contains the attribute value in decimal. 1572 * @count: not used. 1573 * 1574 * Returns: 1575 * -EINVAL if val is invalid or lpfc_##attr##_set() fails 1576 * length of buffer upon success. 1577 **/ 1578 #define lpfc_vport_param_store(attr) \ 1579 static ssize_t \ 1580 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ 1581 const char *buf, size_t count) \ 1582 { \ 1583 struct Scsi_Host *shost = class_to_shost(dev);\ 1584 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1585 uint val = 0;\ 1586 if (!isdigit(buf[0]))\ 1587 return -EINVAL;\ 1588 if (sscanf(buf, "%i", &val) != 1)\ 1589 return -EINVAL;\ 1590 if (lpfc_##attr##_set(vport, val) == 0) \ 1591 return strlen(buf);\ 1592 else \ 1593 return -EINVAL;\ 1594 } 1595 1596 1597 #define LPFC_ATTR(name, defval, minval, maxval, desc) \ 1598 static uint lpfc_##name = defval;\ 1599 module_param(lpfc_##name, uint, 0);\ 1600 MODULE_PARM_DESC(lpfc_##name, desc);\ 1601 lpfc_param_init(name, defval, minval, maxval) 1602 1603 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ 1604 static uint lpfc_##name = defval;\ 1605 module_param(lpfc_##name, uint, 0);\ 1606 MODULE_PARM_DESC(lpfc_##name, desc);\ 1607 lpfc_param_show(name)\ 1608 lpfc_param_init(name, defval, minval, maxval)\ 1609 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1610 1611 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ 1612 static uint lpfc_##name = defval;\ 1613 module_param(lpfc_##name, uint, 0);\ 1614 MODULE_PARM_DESC(lpfc_##name, desc);\ 1615 lpfc_param_show(name)\ 1616 lpfc_param_init(name, defval, minval, maxval)\ 1617 lpfc_param_set(name, defval, minval, maxval)\ 1618 lpfc_param_store(name)\ 1619 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1620 lpfc_##name##_show, lpfc_##name##_store) 1621 1622 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ 1623 static uint lpfc_##name = defval;\ 1624 module_param(lpfc_##name, uint, 0);\ 1625 MODULE_PARM_DESC(lpfc_##name, desc);\ 1626 lpfc_param_hex_show(name)\ 1627 lpfc_param_init(name, defval, minval, maxval)\ 1628 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1629 1630 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ 1631 static uint lpfc_##name = defval;\ 1632 module_param(lpfc_##name, uint, 0);\ 1633 MODULE_PARM_DESC(lpfc_##name, desc);\ 1634 lpfc_param_hex_show(name)\ 1635 lpfc_param_init(name, defval, minval, maxval)\ 1636 lpfc_param_set(name, defval, minval, maxval)\ 1637 lpfc_param_store(name)\ 1638 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1639 lpfc_##name##_show, lpfc_##name##_store) 1640 1641 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ 1642 static uint lpfc_##name = defval;\ 1643 module_param(lpfc_##name, uint, 0);\ 1644 MODULE_PARM_DESC(lpfc_##name, desc);\ 1645 lpfc_vport_param_init(name, defval, minval, maxval) 1646 1647 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ 1648 static uint lpfc_##name = defval;\ 1649 module_param(lpfc_##name, uint, 0);\ 1650 MODULE_PARM_DESC(lpfc_##name, desc);\ 1651 lpfc_vport_param_show(name)\ 1652 lpfc_vport_param_init(name, defval, minval, maxval)\ 1653 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1654 1655 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ 1656 static uint lpfc_##name = defval;\ 1657 module_param(lpfc_##name, uint, 0);\ 1658 MODULE_PARM_DESC(lpfc_##name, desc);\ 1659 lpfc_vport_param_show(name)\ 1660 lpfc_vport_param_init(name, defval, minval, maxval)\ 1661 lpfc_vport_param_set(name, defval, minval, maxval)\ 1662 lpfc_vport_param_store(name)\ 1663 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1664 lpfc_##name##_show, lpfc_##name##_store) 1665 1666 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ 1667 static uint lpfc_##name = defval;\ 1668 module_param(lpfc_##name, uint, 0);\ 1669 MODULE_PARM_DESC(lpfc_##name, desc);\ 1670 lpfc_vport_param_hex_show(name)\ 1671 lpfc_vport_param_init(name, defval, minval, maxval)\ 1672 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1673 1674 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ 1675 static uint lpfc_##name = defval;\ 1676 module_param(lpfc_##name, uint, 0);\ 1677 MODULE_PARM_DESC(lpfc_##name, desc);\ 1678 lpfc_vport_param_hex_show(name)\ 1679 lpfc_vport_param_init(name, defval, minval, maxval)\ 1680 lpfc_vport_param_set(name, defval, minval, maxval)\ 1681 lpfc_vport_param_store(name)\ 1682 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1683 lpfc_##name##_show, lpfc_##name##_store) 1684 1685 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); 1686 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); 1687 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); 1688 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); 1689 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); 1690 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); 1691 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); 1692 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); 1693 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); 1694 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); 1695 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); 1696 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); 1697 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, 1698 lpfc_link_state_store); 1699 static DEVICE_ATTR(option_rom_version, S_IRUGO, 1700 lpfc_option_rom_version_show, NULL); 1701 static DEVICE_ATTR(num_discovered_ports, S_IRUGO, 1702 lpfc_num_discovered_ports_show, NULL); 1703 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); 1704 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); 1705 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); 1706 static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); 1707 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, 1708 lpfc_board_mode_show, lpfc_board_mode_store); 1709 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); 1710 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); 1711 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); 1712 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); 1713 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); 1714 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); 1715 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); 1716 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); 1717 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); 1718 static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); 1719 static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); 1720 1721 1722 static char *lpfc_soft_wwn_key = "C99G71SL8032A"; 1723 1724 /** 1725 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid 1726 * @dev: class device that is converted into a Scsi_host. 1727 * @attr: device attribute, not used. 1728 * @buf: containing the string lpfc_soft_wwn_key. 1729 * @count: must be size of lpfc_soft_wwn_key. 1730 * 1731 * Returns: 1732 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key 1733 * length of buf indicates success 1734 **/ 1735 static ssize_t 1736 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, 1737 const char *buf, size_t count) 1738 { 1739 struct Scsi_Host *shost = class_to_shost(dev); 1740 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1741 struct lpfc_hba *phba = vport->phba; 1742 unsigned int cnt = count; 1743 1744 /* 1745 * We're doing a simple sanity check for soft_wwpn setting. 1746 * We require that the user write a specific key to enable 1747 * the soft_wwpn attribute to be settable. Once the attribute 1748 * is written, the enable key resets. If further updates are 1749 * desired, the key must be written again to re-enable the 1750 * attribute. 1751 * 1752 * The "key" is not secret - it is a hardcoded string shown 1753 * here. The intent is to protect against the random user or 1754 * application that is just writing attributes. 1755 */ 1756 1757 /* count may include a LF at end of string */ 1758 if (buf[cnt-1] == '\n') 1759 cnt--; 1760 1761 if ((cnt != strlen(lpfc_soft_wwn_key)) || 1762 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) 1763 return -EINVAL; 1764 1765 phba->soft_wwn_enable = 1; 1766 return count; 1767 } 1768 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, 1769 lpfc_soft_wwn_enable_store); 1770 1771 /** 1772 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter 1773 * @dev: class device that is converted into a Scsi_host. 1774 * @attr: device attribute, not used. 1775 * @buf: on return contains the wwpn in hexadecimal. 1776 * 1777 * Returns: size of formatted string. 1778 **/ 1779 static ssize_t 1780 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, 1781 char *buf) 1782 { 1783 struct Scsi_Host *shost = class_to_shost(dev); 1784 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1785 struct lpfc_hba *phba = vport->phba; 1786 1787 return snprintf(buf, PAGE_SIZE, "0x%llx\n", 1788 (unsigned long long)phba->cfg_soft_wwpn); 1789 } 1790 1791 /** 1792 * lpfc_soft_wwpn_store - Set the ww port name of the adapter 1793 * @dev class device that is converted into a Scsi_host. 1794 * @attr: device attribute, not used. 1795 * @buf: contains the wwpn in hexadecimal. 1796 * @count: number of wwpn bytes in buf 1797 * 1798 * Returns: 1799 * -EACCES hba reset not enabled, adapter over temp 1800 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid 1801 * -EIO error taking adapter offline or online 1802 * value of count on success 1803 **/ 1804 static ssize_t 1805 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, 1806 const char *buf, size_t count) 1807 { 1808 struct Scsi_Host *shost = class_to_shost(dev); 1809 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1810 struct lpfc_hba *phba = vport->phba; 1811 struct completion online_compl; 1812 int stat1=0, stat2=0; 1813 unsigned int i, j, cnt=count; 1814 u8 wwpn[8]; 1815 1816 if (!phba->cfg_enable_hba_reset) 1817 return -EACCES; 1818 spin_lock_irq(&phba->hbalock); 1819 if (phba->over_temp_state == HBA_OVER_TEMP) { 1820 spin_unlock_irq(&phba->hbalock); 1821 return -EACCES; 1822 } 1823 spin_unlock_irq(&phba->hbalock); 1824 /* count may include a LF at end of string */ 1825 if (buf[cnt-1] == '\n') 1826 cnt--; 1827 1828 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || 1829 ((cnt == 17) && (*buf++ != 'x')) || 1830 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) 1831 return -EINVAL; 1832 1833 phba->soft_wwn_enable = 0; 1834 1835 memset(wwpn, 0, sizeof(wwpn)); 1836 1837 /* Validate and store the new name */ 1838 for (i=0, j=0; i < 16; i++) { 1839 int value; 1840 1841 value = hex_to_bin(*buf++); 1842 if (value >= 0) 1843 j = (j << 4) | value; 1844 else 1845 return -EINVAL; 1846 if (i % 2) { 1847 wwpn[i/2] = j & 0xff; 1848 j = 0; 1849 } 1850 } 1851 phba->cfg_soft_wwpn = wwn_to_u64(wwpn); 1852 fc_host_port_name(shost) = phba->cfg_soft_wwpn; 1853 if (phba->cfg_soft_wwnn) 1854 fc_host_node_name(shost) = phba->cfg_soft_wwnn; 1855 1856 dev_printk(KERN_NOTICE, &phba->pcidev->dev, 1857 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); 1858 1859 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 1860 if (stat1) 1861 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1862 "0463 lpfc_soft_wwpn attribute set failed to " 1863 "reinit adapter - %d\n", stat1); 1864 init_completion(&online_compl); 1865 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); 1866 wait_for_completion(&online_compl); 1867 if (stat2) 1868 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1869 "0464 lpfc_soft_wwpn attribute set failed to " 1870 "reinit adapter - %d\n", stat2); 1871 return (stat1 || stat2) ? -EIO : count; 1872 } 1873 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ 1874 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); 1875 1876 /** 1877 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter 1878 * @dev: class device that is converted into a Scsi_host. 1879 * @attr: device attribute, not used. 1880 * @buf: on return contains the wwnn in hexadecimal. 1881 * 1882 * Returns: size of formatted string. 1883 **/ 1884 static ssize_t 1885 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, 1886 char *buf) 1887 { 1888 struct Scsi_Host *shost = class_to_shost(dev); 1889 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 1890 return snprintf(buf, PAGE_SIZE, "0x%llx\n", 1891 (unsigned long long)phba->cfg_soft_wwnn); 1892 } 1893 1894 /** 1895 * lpfc_soft_wwnn_store - sets the ww node name of the adapter 1896 * @cdev: class device that is converted into a Scsi_host. 1897 * @buf: contains the ww node name in hexadecimal. 1898 * @count: number of wwnn bytes in buf. 1899 * 1900 * Returns: 1901 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid 1902 * value of count on success 1903 **/ 1904 static ssize_t 1905 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, 1906 const char *buf, size_t count) 1907 { 1908 struct Scsi_Host *shost = class_to_shost(dev); 1909 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 1910 unsigned int i, j, cnt=count; 1911 u8 wwnn[8]; 1912 1913 /* count may include a LF at end of string */ 1914 if (buf[cnt-1] == '\n') 1915 cnt--; 1916 1917 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || 1918 ((cnt == 17) && (*buf++ != 'x')) || 1919 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) 1920 return -EINVAL; 1921 1922 /* 1923 * Allow wwnn to be set many times, as long as the enable is set. 1924 * However, once the wwpn is set, everything locks. 1925 */ 1926 1927 memset(wwnn, 0, sizeof(wwnn)); 1928 1929 /* Validate and store the new name */ 1930 for (i=0, j=0; i < 16; i++) { 1931 int value; 1932 1933 value = hex_to_bin(*buf++); 1934 if (value >= 0) 1935 j = (j << 4) | value; 1936 else 1937 return -EINVAL; 1938 if (i % 2) { 1939 wwnn[i/2] = j & 0xff; 1940 j = 0; 1941 } 1942 } 1943 phba->cfg_soft_wwnn = wwn_to_u64(wwnn); 1944 1945 dev_printk(KERN_NOTICE, &phba->pcidev->dev, 1946 "lpfc%d: soft_wwnn set. Value will take effect upon " 1947 "setting of the soft_wwpn\n", phba->brd_no); 1948 1949 return count; 1950 } 1951 static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ 1952 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); 1953 1954 1955 static int lpfc_poll = 0; 1956 module_param(lpfc_poll, int, 0); 1957 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" 1958 " 0 - none," 1959 " 1 - poll with interrupts enabled" 1960 " 3 - poll and disable FCP ring interrupts"); 1961 1962 static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, 1963 lpfc_poll_show, lpfc_poll_store); 1964 1965 int lpfc_sli_mode = 0; 1966 module_param(lpfc_sli_mode, int, 0); 1967 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" 1968 " 0 - auto (SLI-3 if supported)," 1969 " 2 - select SLI-2 even on SLI-3 capable HBAs," 1970 " 3 - select SLI-3"); 1971 1972 int lpfc_enable_npiv = 1; 1973 module_param(lpfc_enable_npiv, int, 0); 1974 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); 1975 lpfc_param_show(enable_npiv); 1976 lpfc_param_init(enable_npiv, 1, 0, 1); 1977 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); 1978 1979 /* 1980 # lpfc_suppress_link_up: Bring link up at initialization 1981 # 0x0 = bring link up (issue MBX_INIT_LINK) 1982 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) 1983 # 0x2 = never bring up link 1984 # Default value is 0. 1985 */ 1986 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, 1987 LPFC_DELAY_INIT_LINK_INDEFINITELY, 1988 "Suppress Link Up at initialization"); 1989 /* 1990 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS 1991 # 1 - (1024) 1992 # 2 - (2048) 1993 # 3 - (3072) 1994 # 4 - (4096) 1995 # 5 - (5120) 1996 */ 1997 static ssize_t 1998 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) 1999 { 2000 struct Scsi_Host *shost = class_to_shost(dev); 2001 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2002 2003 return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); 2004 } 2005 2006 static DEVICE_ATTR(iocb_hw, S_IRUGO, 2007 lpfc_iocb_hw_show, NULL); 2008 static ssize_t 2009 lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) 2010 { 2011 struct Scsi_Host *shost = class_to_shost(dev); 2012 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2013 2014 return snprintf(buf, PAGE_SIZE, "%d\n", 2015 phba->sli.ring[LPFC_ELS_RING].txq_max); 2016 } 2017 2018 static DEVICE_ATTR(txq_hw, S_IRUGO, 2019 lpfc_txq_hw_show, NULL); 2020 static ssize_t 2021 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, 2022 char *buf) 2023 { 2024 struct Scsi_Host *shost = class_to_shost(dev); 2025 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2026 2027 return snprintf(buf, PAGE_SIZE, "%d\n", 2028 phba->sli.ring[LPFC_ELS_RING].txcmplq_max); 2029 } 2030 2031 static DEVICE_ATTR(txcmplq_hw, S_IRUGO, 2032 lpfc_txcmplq_hw_show, NULL); 2033 2034 int lpfc_iocb_cnt = 2; 2035 module_param(lpfc_iocb_cnt, int, 1); 2036 MODULE_PARM_DESC(lpfc_iocb_cnt, 2037 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); 2038 lpfc_param_show(iocb_cnt); 2039 lpfc_param_init(iocb_cnt, 2, 1, 5); 2040 static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, 2041 lpfc_iocb_cnt_show, NULL); 2042 2043 /* 2044 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear 2045 # until the timer expires. Value range is [0,255]. Default value is 30. 2046 */ 2047 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; 2048 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; 2049 module_param(lpfc_nodev_tmo, int, 0); 2050 MODULE_PARM_DESC(lpfc_nodev_tmo, 2051 "Seconds driver will hold I/O waiting " 2052 "for a device to come back"); 2053 2054 /** 2055 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value 2056 * @dev: class converted to a Scsi_host structure. 2057 * @attr: device attribute, not used. 2058 * @buf: on return contains the dev loss timeout in decimal. 2059 * 2060 * Returns: size of formatted string. 2061 **/ 2062 static ssize_t 2063 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, 2064 char *buf) 2065 { 2066 struct Scsi_Host *shost = class_to_shost(dev); 2067 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2068 2069 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); 2070 } 2071 2072 /** 2073 * lpfc_nodev_tmo_init - Set the hba nodev timeout value 2074 * @vport: lpfc vport structure pointer. 2075 * @val: contains the nodev timeout value. 2076 * 2077 * Description: 2078 * If the devloss tmo is already set then nodev tmo is set to devloss tmo, 2079 * a kernel error message is printed and zero is returned. 2080 * Else if val is in range then nodev tmo and devloss tmo are set to val. 2081 * Otherwise nodev tmo is set to the default value. 2082 * 2083 * Returns: 2084 * zero if already set or if val is in range 2085 * -EINVAL val out of range 2086 **/ 2087 static int 2088 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) 2089 { 2090 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { 2091 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; 2092 if (val != LPFC_DEF_DEVLOSS_TMO) 2093 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2094 "0407 Ignoring nodev_tmo module " 2095 "parameter because devloss_tmo is " 2096 "set.\n"); 2097 return 0; 2098 } 2099 2100 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2101 vport->cfg_nodev_tmo = val; 2102 vport->cfg_devloss_tmo = val; 2103 return 0; 2104 } 2105 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2106 "0400 lpfc_nodev_tmo attribute cannot be set to" 2107 " %d, allowed range is [%d, %d]\n", 2108 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2109 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; 2110 return -EINVAL; 2111 } 2112 2113 /** 2114 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value 2115 * @vport: lpfc vport structure pointer. 2116 * 2117 * Description: 2118 * Update all the ndlp's dev loss tmo with the vport devloss tmo value. 2119 **/ 2120 static void 2121 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) 2122 { 2123 struct Scsi_Host *shost; 2124 struct lpfc_nodelist *ndlp; 2125 2126 shost = lpfc_shost_from_vport(vport); 2127 spin_lock_irq(shost->host_lock); 2128 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) 2129 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) 2130 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; 2131 spin_unlock_irq(shost->host_lock); 2132 } 2133 2134 /** 2135 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values 2136 * @vport: lpfc vport structure pointer. 2137 * @val: contains the tmo value. 2138 * 2139 * Description: 2140 * If the devloss tmo is already set or the vport dev loss tmo has changed 2141 * then a kernel error message is printed and zero is returned. 2142 * Else if val is in range then nodev tmo and devloss tmo are set to val. 2143 * Otherwise nodev tmo is set to the default value. 2144 * 2145 * Returns: 2146 * zero if already set or if val is in range 2147 * -EINVAL val out of range 2148 **/ 2149 static int 2150 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) 2151 { 2152 if (vport->dev_loss_tmo_changed || 2153 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { 2154 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2155 "0401 Ignoring change to nodev_tmo " 2156 "because devloss_tmo is set.\n"); 2157 return 0; 2158 } 2159 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2160 vport->cfg_nodev_tmo = val; 2161 vport->cfg_devloss_tmo = val; 2162 lpfc_update_rport_devloss_tmo(vport); 2163 return 0; 2164 } 2165 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2166 "0403 lpfc_nodev_tmo attribute cannot be set to" 2167 "%d, allowed range is [%d, %d]\n", 2168 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2169 return -EINVAL; 2170 } 2171 2172 lpfc_vport_param_store(nodev_tmo) 2173 2174 static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, 2175 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); 2176 2177 /* 2178 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that 2179 # disappear until the timer expires. Value range is [0,255]. Default 2180 # value is 30. 2181 */ 2182 module_param(lpfc_devloss_tmo, int, 0); 2183 MODULE_PARM_DESC(lpfc_devloss_tmo, 2184 "Seconds driver will hold I/O waiting " 2185 "for a device to come back"); 2186 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, 2187 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) 2188 lpfc_vport_param_show(devloss_tmo) 2189 2190 /** 2191 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit 2192 * @vport: lpfc vport structure pointer. 2193 * @val: contains the tmo value. 2194 * 2195 * Description: 2196 * If val is in a valid range then set the vport nodev tmo, 2197 * devloss tmo, also set the vport dev loss tmo changed flag. 2198 * Else a kernel error message is printed. 2199 * 2200 * Returns: 2201 * zero if val is in range 2202 * -EINVAL val out of range 2203 **/ 2204 static int 2205 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) 2206 { 2207 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2208 vport->cfg_nodev_tmo = val; 2209 vport->cfg_devloss_tmo = val; 2210 vport->dev_loss_tmo_changed = 1; 2211 lpfc_update_rport_devloss_tmo(vport); 2212 return 0; 2213 } 2214 2215 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2216 "0404 lpfc_devloss_tmo attribute cannot be set to" 2217 " %d, allowed range is [%d, %d]\n", 2218 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2219 return -EINVAL; 2220 } 2221 2222 lpfc_vport_param_store(devloss_tmo) 2223 static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, 2224 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); 2225 2226 /* 2227 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being 2228 # deluged with LOTS of information. 2229 # You can set a bit mask to record specific types of verbose messages: 2230 # See lpfc_logmsh.h for definitions. 2231 */ 2232 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, 2233 "Verbose logging bit-mask"); 2234 2235 /* 2236 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters 2237 # objects that have been registered with the nameserver after login. 2238 */ 2239 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, 2240 "Deregister nameserver objects before LOGO"); 2241 2242 /* 2243 # lun_queue_depth: This parameter is used to limit the number of outstanding 2244 # commands per FCP LUN. Value range is [1,128]. Default value is 30. 2245 */ 2246 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, 2247 "Max number of FCP commands we can queue to a specific LUN"); 2248 2249 /* 2250 # tgt_queue_depth: This parameter is used to limit the number of outstanding 2251 # commands per target port. Value range is [10,65535]. Default value is 65535. 2252 */ 2253 LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, 2254 "Max number of FCP commands we can queue to a specific target port"); 2255 2256 /* 2257 # hba_queue_depth: This parameter is used to limit the number of outstanding 2258 # commands per lpfc HBA. Value range is [32,8192]. If this parameter 2259 # value is greater than the maximum number of exchanges supported by the HBA, 2260 # then maximum number of exchanges supported by the HBA is used to determine 2261 # the hba_queue_depth. 2262 */ 2263 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, 2264 "Max number of FCP commands we can queue to a lpfc HBA"); 2265 2266 /* 2267 # peer_port_login: This parameter allows/prevents logins 2268 # between peer ports hosted on the same physical port. 2269 # When this parameter is set 0 peer ports of same physical port 2270 # are not allowed to login to each other. 2271 # When this parameter is set 1 peer ports of same physical port 2272 # are allowed to login to each other. 2273 # Default value of this parameter is 0. 2274 */ 2275 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, 2276 "Allow peer ports on the same physical port to login to each " 2277 "other."); 2278 2279 /* 2280 # restrict_login: This parameter allows/prevents logins 2281 # between Virtual Ports and remote initiators. 2282 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from 2283 # other initiators and will attempt to PLOGI all remote ports. 2284 # When this parameter is set (1) Virtual Ports will reject PLOGIs from 2285 # remote ports and will not attempt to PLOGI to other initiators. 2286 # This parameter does not restrict to the physical port. 2287 # This parameter does not restrict logins to Fabric resident remote ports. 2288 # Default value of this parameter is 1. 2289 */ 2290 static int lpfc_restrict_login = 1; 2291 module_param(lpfc_restrict_login, int, 0); 2292 MODULE_PARM_DESC(lpfc_restrict_login, 2293 "Restrict virtual ports login to remote initiators."); 2294 lpfc_vport_param_show(restrict_login); 2295 2296 /** 2297 * lpfc_restrict_login_init - Set the vport restrict login flag 2298 * @vport: lpfc vport structure pointer. 2299 * @val: contains the restrict login value. 2300 * 2301 * Description: 2302 * If val is not in a valid range then log a kernel error message and set 2303 * the vport restrict login to one. 2304 * If the port type is physical clear the restrict login flag and return. 2305 * Else set the restrict login flag to val. 2306 * 2307 * Returns: 2308 * zero if val is in range 2309 * -EINVAL val out of range 2310 **/ 2311 static int 2312 lpfc_restrict_login_init(struct lpfc_vport *vport, int val) 2313 { 2314 if (val < 0 || val > 1) { 2315 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2316 "0422 lpfc_restrict_login attribute cannot " 2317 "be set to %d, allowed range is [0, 1]\n", 2318 val); 2319 vport->cfg_restrict_login = 1; 2320 return -EINVAL; 2321 } 2322 if (vport->port_type == LPFC_PHYSICAL_PORT) { 2323 vport->cfg_restrict_login = 0; 2324 return 0; 2325 } 2326 vport->cfg_restrict_login = val; 2327 return 0; 2328 } 2329 2330 /** 2331 * lpfc_restrict_login_set - Set the vport restrict login flag 2332 * @vport: lpfc vport structure pointer. 2333 * @val: contains the restrict login value. 2334 * 2335 * Description: 2336 * If val is not in a valid range then log a kernel error message and set 2337 * the vport restrict login to one. 2338 * If the port type is physical and the val is not zero log a kernel 2339 * error message, clear the restrict login flag and return zero. 2340 * Else set the restrict login flag to val. 2341 * 2342 * Returns: 2343 * zero if val is in range 2344 * -EINVAL val out of range 2345 **/ 2346 static int 2347 lpfc_restrict_login_set(struct lpfc_vport *vport, int val) 2348 { 2349 if (val < 0 || val > 1) { 2350 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2351 "0425 lpfc_restrict_login attribute cannot " 2352 "be set to %d, allowed range is [0, 1]\n", 2353 val); 2354 vport->cfg_restrict_login = 1; 2355 return -EINVAL; 2356 } 2357 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { 2358 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2359 "0468 lpfc_restrict_login must be 0 for " 2360 "Physical ports.\n"); 2361 vport->cfg_restrict_login = 0; 2362 return 0; 2363 } 2364 vport->cfg_restrict_login = val; 2365 return 0; 2366 } 2367 lpfc_vport_param_store(restrict_login); 2368 static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, 2369 lpfc_restrict_login_show, lpfc_restrict_login_store); 2370 2371 /* 2372 # Some disk devices have a "select ID" or "select Target" capability. 2373 # From a protocol standpoint "select ID" usually means select the 2374 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative 2375 # annex" which contains a table that maps a "select ID" (a number 2376 # between 0 and 7F) to an ALPA. By default, for compatibility with 2377 # older drivers, the lpfc driver scans this table from low ALPA to high 2378 # ALPA. 2379 # 2380 # Turning on the scan-down variable (on = 1, off = 0) will 2381 # cause the lpfc driver to use an inverted table, effectively 2382 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. 2383 # 2384 # (Note: This "select ID" functionality is a LOOP ONLY characteristic 2385 # and will not work across a fabric. Also this parameter will take 2386 # effect only in the case when ALPA map is not available.) 2387 */ 2388 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, 2389 "Start scanning for devices from highest ALPA to lowest"); 2390 2391 /* 2392 # lpfc_topology: link topology for init link 2393 # 0x0 = attempt loop mode then point-to-point 2394 # 0x01 = internal loopback mode 2395 # 0x02 = attempt point-to-point mode only 2396 # 0x04 = attempt loop mode only 2397 # 0x06 = attempt point-to-point mode then loop 2398 # Set point-to-point mode if you want to run as an N_Port. 2399 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. 2400 # Default value is 0. 2401 */ 2402 2403 /** 2404 * lpfc_topology_set - Set the adapters topology field 2405 * @phba: lpfc_hba pointer. 2406 * @val: topology value. 2407 * 2408 * Description: 2409 * If val is in a valid range then set the adapter's topology field and 2410 * issue a lip; if the lip fails reset the topology to the old value. 2411 * 2412 * If the value is not in range log a kernel error message and return an error. 2413 * 2414 * Returns: 2415 * zero if val is in range and lip okay 2416 * non-zero return value from lpfc_issue_lip() 2417 * -EINVAL val out of range 2418 **/ 2419 static ssize_t 2420 lpfc_topology_store(struct device *dev, struct device_attribute *attr, 2421 const char *buf, size_t count) 2422 { 2423 struct Scsi_Host *shost = class_to_shost(dev); 2424 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2425 struct lpfc_hba *phba = vport->phba; 2426 int val = 0; 2427 int nolip = 0; 2428 const char *val_buf = buf; 2429 int err; 2430 uint32_t prev_val; 2431 2432 if (!strncmp(buf, "nolip ", strlen("nolip "))) { 2433 nolip = 1; 2434 val_buf = &buf[strlen("nolip ")]; 2435 } 2436 2437 if (!isdigit(val_buf[0])) 2438 return -EINVAL; 2439 if (sscanf(val_buf, "%i", &val) != 1) 2440 return -EINVAL; 2441 2442 if (val >= 0 && val <= 6) { 2443 prev_val = phba->cfg_topology; 2444 phba->cfg_topology = val; 2445 if (nolip) 2446 return strlen(buf); 2447 2448 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); 2449 if (err) { 2450 phba->cfg_topology = prev_val; 2451 return -EINVAL; 2452 } else 2453 return strlen(buf); 2454 } 2455 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2456 "%d:0467 lpfc_topology attribute cannot be set to %d, " 2457 "allowed range is [0, 6]\n", 2458 phba->brd_no, val); 2459 return -EINVAL; 2460 } 2461 static int lpfc_topology = 0; 2462 module_param(lpfc_topology, int, 0); 2463 MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); 2464 lpfc_param_show(topology) 2465 lpfc_param_init(topology, 0, 0, 6) 2466 static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, 2467 lpfc_topology_show, lpfc_topology_store); 2468 2469 /** 2470 * lpfc_static_vport_show: Read callback function for 2471 * lpfc_static_vport sysfs file. 2472 * @dev: Pointer to class device object. 2473 * @attr: device attribute structure. 2474 * @buf: Data buffer. 2475 * 2476 * This function is the read call back function for 2477 * lpfc_static_vport sysfs file. The lpfc_static_vport 2478 * sysfs file report the mageability of the vport. 2479 **/ 2480 static ssize_t 2481 lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, 2482 char *buf) 2483 { 2484 struct Scsi_Host *shost = class_to_shost(dev); 2485 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2486 if (vport->vport_flag & STATIC_VPORT) 2487 sprintf(buf, "1\n"); 2488 else 2489 sprintf(buf, "0\n"); 2490 2491 return strlen(buf); 2492 } 2493 2494 /* 2495 * Sysfs attribute to control the statistical data collection. 2496 */ 2497 static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, 2498 lpfc_static_vport_show, NULL); 2499 2500 /** 2501 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file 2502 * @dev: Pointer to class device. 2503 * @buf: Data buffer. 2504 * @count: Size of the data buffer. 2505 * 2506 * This function get called when an user write to the lpfc_stat_data_ctrl 2507 * sysfs file. This function parse the command written to the sysfs file 2508 * and take appropriate action. These commands are used for controlling 2509 * driver statistical data collection. 2510 * Following are the command this function handles. 2511 * 2512 * setbucket <bucket_type> <base> <step> 2513 * = Set the latency buckets. 2514 * destroybucket = destroy all the buckets. 2515 * start = start data collection 2516 * stop = stop data collection 2517 * reset = reset the collected data 2518 **/ 2519 static ssize_t 2520 lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, 2521 const char *buf, size_t count) 2522 { 2523 struct Scsi_Host *shost = class_to_shost(dev); 2524 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2525 struct lpfc_hba *phba = vport->phba; 2526 #define LPFC_MAX_DATA_CTRL_LEN 1024 2527 static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; 2528 unsigned long i; 2529 char *str_ptr, *token; 2530 struct lpfc_vport **vports; 2531 struct Scsi_Host *v_shost; 2532 char *bucket_type_str, *base_str, *step_str; 2533 unsigned long base, step, bucket_type; 2534 2535 if (!strncmp(buf, "setbucket", strlen("setbucket"))) { 2536 if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) 2537 return -EINVAL; 2538 2539 strcpy(bucket_data, buf); 2540 str_ptr = &bucket_data[0]; 2541 /* Ignore this token - this is command token */ 2542 token = strsep(&str_ptr, "\t "); 2543 if (!token) 2544 return -EINVAL; 2545 2546 bucket_type_str = strsep(&str_ptr, "\t "); 2547 if (!bucket_type_str) 2548 return -EINVAL; 2549 2550 if (!strncmp(bucket_type_str, "linear", strlen("linear"))) 2551 bucket_type = LPFC_LINEAR_BUCKET; 2552 else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) 2553 bucket_type = LPFC_POWER2_BUCKET; 2554 else 2555 return -EINVAL; 2556 2557 base_str = strsep(&str_ptr, "\t "); 2558 if (!base_str) 2559 return -EINVAL; 2560 base = simple_strtoul(base_str, NULL, 0); 2561 2562 step_str = strsep(&str_ptr, "\t "); 2563 if (!step_str) 2564 return -EINVAL; 2565 step = simple_strtoul(step_str, NULL, 0); 2566 if (!step) 2567 return -EINVAL; 2568 2569 /* Block the data collection for every vport */ 2570 vports = lpfc_create_vport_work_array(phba); 2571 if (vports == NULL) 2572 return -ENOMEM; 2573 2574 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2575 v_shost = lpfc_shost_from_vport(vports[i]); 2576 spin_lock_irq(v_shost->host_lock); 2577 /* Block and reset data collection */ 2578 vports[i]->stat_data_blocked = 1; 2579 if (vports[i]->stat_data_enabled) 2580 lpfc_vport_reset_stat_data(vports[i]); 2581 spin_unlock_irq(v_shost->host_lock); 2582 } 2583 2584 /* Set the bucket attributes */ 2585 phba->bucket_type = bucket_type; 2586 phba->bucket_base = base; 2587 phba->bucket_step = step; 2588 2589 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2590 v_shost = lpfc_shost_from_vport(vports[i]); 2591 2592 /* Unblock data collection */ 2593 spin_lock_irq(v_shost->host_lock); 2594 vports[i]->stat_data_blocked = 0; 2595 spin_unlock_irq(v_shost->host_lock); 2596 } 2597 lpfc_destroy_vport_work_array(phba, vports); 2598 return strlen(buf); 2599 } 2600 2601 if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { 2602 vports = lpfc_create_vport_work_array(phba); 2603 if (vports == NULL) 2604 return -ENOMEM; 2605 2606 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2607 v_shost = lpfc_shost_from_vport(vports[i]); 2608 spin_lock_irq(shost->host_lock); 2609 vports[i]->stat_data_blocked = 1; 2610 lpfc_free_bucket(vport); 2611 vport->stat_data_enabled = 0; 2612 vports[i]->stat_data_blocked = 0; 2613 spin_unlock_irq(shost->host_lock); 2614 } 2615 lpfc_destroy_vport_work_array(phba, vports); 2616 phba->bucket_type = LPFC_NO_BUCKET; 2617 phba->bucket_base = 0; 2618 phba->bucket_step = 0; 2619 return strlen(buf); 2620 } 2621 2622 if (!strncmp(buf, "start", strlen("start"))) { 2623 /* If no buckets configured return error */ 2624 if (phba->bucket_type == LPFC_NO_BUCKET) 2625 return -EINVAL; 2626 spin_lock_irq(shost->host_lock); 2627 if (vport->stat_data_enabled) { 2628 spin_unlock_irq(shost->host_lock); 2629 return strlen(buf); 2630 } 2631 lpfc_alloc_bucket(vport); 2632 vport->stat_data_enabled = 1; 2633 spin_unlock_irq(shost->host_lock); 2634 return strlen(buf); 2635 } 2636 2637 if (!strncmp(buf, "stop", strlen("stop"))) { 2638 spin_lock_irq(shost->host_lock); 2639 if (vport->stat_data_enabled == 0) { 2640 spin_unlock_irq(shost->host_lock); 2641 return strlen(buf); 2642 } 2643 lpfc_free_bucket(vport); 2644 vport->stat_data_enabled = 0; 2645 spin_unlock_irq(shost->host_lock); 2646 return strlen(buf); 2647 } 2648 2649 if (!strncmp(buf, "reset", strlen("reset"))) { 2650 if ((phba->bucket_type == LPFC_NO_BUCKET) 2651 || !vport->stat_data_enabled) 2652 return strlen(buf); 2653 spin_lock_irq(shost->host_lock); 2654 vport->stat_data_blocked = 1; 2655 lpfc_vport_reset_stat_data(vport); 2656 vport->stat_data_blocked = 0; 2657 spin_unlock_irq(shost->host_lock); 2658 return strlen(buf); 2659 } 2660 return -EINVAL; 2661 } 2662 2663 2664 /** 2665 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file 2666 * @dev: Pointer to class device object. 2667 * @buf: Data buffer. 2668 * 2669 * This function is the read call back function for 2670 * lpfc_stat_data_ctrl sysfs file. This function report the 2671 * current statistical data collection state. 2672 **/ 2673 static ssize_t 2674 lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, 2675 char *buf) 2676 { 2677 struct Scsi_Host *shost = class_to_shost(dev); 2678 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2679 struct lpfc_hba *phba = vport->phba; 2680 int index = 0; 2681 int i; 2682 char *bucket_type; 2683 unsigned long bucket_value; 2684 2685 switch (phba->bucket_type) { 2686 case LPFC_LINEAR_BUCKET: 2687 bucket_type = "linear"; 2688 break; 2689 case LPFC_POWER2_BUCKET: 2690 bucket_type = "power2"; 2691 break; 2692 default: 2693 bucket_type = "No Bucket"; 2694 break; 2695 } 2696 2697 sprintf(&buf[index], "Statistical Data enabled :%d, " 2698 "blocked :%d, Bucket type :%s, Bucket base :%d," 2699 " Bucket step :%d\nLatency Ranges :", 2700 vport->stat_data_enabled, vport->stat_data_blocked, 2701 bucket_type, phba->bucket_base, phba->bucket_step); 2702 index = strlen(buf); 2703 if (phba->bucket_type != LPFC_NO_BUCKET) { 2704 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { 2705 if (phba->bucket_type == LPFC_LINEAR_BUCKET) 2706 bucket_value = phba->bucket_base + 2707 phba->bucket_step * i; 2708 else 2709 bucket_value = phba->bucket_base + 2710 (1 << i) * phba->bucket_step; 2711 2712 if (index + 10 > PAGE_SIZE) 2713 break; 2714 sprintf(&buf[index], "%08ld ", bucket_value); 2715 index = strlen(buf); 2716 } 2717 } 2718 sprintf(&buf[index], "\n"); 2719 return strlen(buf); 2720 } 2721 2722 /* 2723 * Sysfs attribute to control the statistical data collection. 2724 */ 2725 static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, 2726 lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); 2727 2728 /* 2729 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. 2730 */ 2731 2732 /* 2733 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN 2734 * for each target. 2735 */ 2736 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) 2737 #define MAX_STAT_DATA_SIZE_PER_TARGET \ 2738 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) 2739 2740 2741 /** 2742 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute 2743 * @filp: sysfs file 2744 * @kobj: Pointer to the kernel object 2745 * @bin_attr: Attribute object 2746 * @buff: Buffer pointer 2747 * @off: File offset 2748 * @count: Buffer size 2749 * 2750 * This function is the read call back function for lpfc_drvr_stat_data 2751 * sysfs file. This function export the statistical data to user 2752 * applications. 2753 **/ 2754 static ssize_t 2755 sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, 2756 struct bin_attribute *bin_attr, 2757 char *buf, loff_t off, size_t count) 2758 { 2759 struct device *dev = container_of(kobj, struct device, 2760 kobj); 2761 struct Scsi_Host *shost = class_to_shost(dev); 2762 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2763 struct lpfc_hba *phba = vport->phba; 2764 int i = 0, index = 0; 2765 unsigned long nport_index; 2766 struct lpfc_nodelist *ndlp = NULL; 2767 nport_index = (unsigned long)off / 2768 MAX_STAT_DATA_SIZE_PER_TARGET; 2769 2770 if (!vport->stat_data_enabled || vport->stat_data_blocked 2771 || (phba->bucket_type == LPFC_NO_BUCKET)) 2772 return 0; 2773 2774 spin_lock_irq(shost->host_lock); 2775 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 2776 if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) 2777 continue; 2778 2779 if (nport_index > 0) { 2780 nport_index--; 2781 continue; 2782 } 2783 2784 if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) 2785 > count) 2786 break; 2787 2788 if (!ndlp->lat_data) 2789 continue; 2790 2791 /* Print the WWN */ 2792 sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", 2793 ndlp->nlp_portname.u.wwn[0], 2794 ndlp->nlp_portname.u.wwn[1], 2795 ndlp->nlp_portname.u.wwn[2], 2796 ndlp->nlp_portname.u.wwn[3], 2797 ndlp->nlp_portname.u.wwn[4], 2798 ndlp->nlp_portname.u.wwn[5], 2799 ndlp->nlp_portname.u.wwn[6], 2800 ndlp->nlp_portname.u.wwn[7]); 2801 2802 index = strlen(buf); 2803 2804 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { 2805 sprintf(&buf[index], "%010u,", 2806 ndlp->lat_data[i].cmd_count); 2807 index = strlen(buf); 2808 } 2809 sprintf(&buf[index], "\n"); 2810 index = strlen(buf); 2811 } 2812 spin_unlock_irq(shost->host_lock); 2813 return index; 2814 } 2815 2816 static struct bin_attribute sysfs_drvr_stat_data_attr = { 2817 .attr = { 2818 .name = "lpfc_drvr_stat_data", 2819 .mode = S_IRUSR, 2820 }, 2821 .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, 2822 .read = sysfs_drvr_stat_data_read, 2823 .write = NULL, 2824 }; 2825 2826 /* 2827 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel 2828 # connection. 2829 # 0 = auto select (default) 2830 # 1 = 1 Gigabaud 2831 # 2 = 2 Gigabaud 2832 # 4 = 4 Gigabaud 2833 # 8 = 8 Gigabaud 2834 # Value range is [0,8]. Default value is 0. 2835 */ 2836 2837 /** 2838 * lpfc_link_speed_set - Set the adapters link speed 2839 * @phba: lpfc_hba pointer. 2840 * @val: link speed value. 2841 * 2842 * Description: 2843 * If val is in a valid range then set the adapter's link speed field and 2844 * issue a lip; if the lip fails reset the link speed to the old value. 2845 * 2846 * Notes: 2847 * If the value is not in range log a kernel error message and return an error. 2848 * 2849 * Returns: 2850 * zero if val is in range and lip okay. 2851 * non-zero return value from lpfc_issue_lip() 2852 * -EINVAL val out of range 2853 **/ 2854 static ssize_t 2855 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, 2856 const char *buf, size_t count) 2857 { 2858 struct Scsi_Host *shost = class_to_shost(dev); 2859 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2860 struct lpfc_hba *phba = vport->phba; 2861 int val = 0; 2862 int nolip = 0; 2863 const char *val_buf = buf; 2864 int err; 2865 uint32_t prev_val; 2866 2867 if (!strncmp(buf, "nolip ", strlen("nolip "))) { 2868 nolip = 1; 2869 val_buf = &buf[strlen("nolip ")]; 2870 } 2871 2872 if (!isdigit(val_buf[0])) 2873 return -EINVAL; 2874 if (sscanf(val_buf, "%i", &val) != 1) 2875 return -EINVAL; 2876 2877 if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || 2878 ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || 2879 ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || 2880 ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || 2881 ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) 2882 return -EINVAL; 2883 2884 if ((val >= 0 && val <= 8) 2885 && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { 2886 prev_val = phba->cfg_link_speed; 2887 phba->cfg_link_speed = val; 2888 if (nolip) 2889 return strlen(buf); 2890 2891 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); 2892 if (err) { 2893 phba->cfg_link_speed = prev_val; 2894 return -EINVAL; 2895 } else 2896 return strlen(buf); 2897 } 2898 2899 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2900 "%d:0469 lpfc_link_speed attribute cannot be set to %d, " 2901 "allowed range is [0, 8]\n", 2902 phba->brd_no, val); 2903 return -EINVAL; 2904 } 2905 2906 static int lpfc_link_speed = 0; 2907 module_param(lpfc_link_speed, int, 0); 2908 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); 2909 lpfc_param_show(link_speed) 2910 2911 /** 2912 * lpfc_link_speed_init - Set the adapters link speed 2913 * @phba: lpfc_hba pointer. 2914 * @val: link speed value. 2915 * 2916 * Description: 2917 * If val is in a valid range then set the adapter's link speed field. 2918 * 2919 * Notes: 2920 * If the value is not in range log a kernel error message, clear the link 2921 * speed and return an error. 2922 * 2923 * Returns: 2924 * zero if val saved. 2925 * -EINVAL val out of range 2926 **/ 2927 static int 2928 lpfc_link_speed_init(struct lpfc_hba *phba, int val) 2929 { 2930 if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) 2931 && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { 2932 phba->cfg_link_speed = val; 2933 return 0; 2934 } 2935 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2936 "0405 lpfc_link_speed attribute cannot " 2937 "be set to %d, allowed values are " 2938 "["LPFC_LINK_SPEED_STRING"]\n", val); 2939 phba->cfg_link_speed = 0; 2940 return -EINVAL; 2941 } 2942 2943 static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, 2944 lpfc_link_speed_show, lpfc_link_speed_store); 2945 2946 /* 2947 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) 2948 # 0 = aer disabled or not supported 2949 # 1 = aer supported and enabled (default) 2950 # Value range is [0,1]. Default value is 1. 2951 */ 2952 2953 /** 2954 * lpfc_aer_support_store - Set the adapter for aer support 2955 * 2956 * @dev: class device that is converted into a Scsi_host. 2957 * @attr: device attribute, not used. 2958 * @buf: containing the string "selective". 2959 * @count: unused variable. 2960 * 2961 * Description: 2962 * If the val is 1 and currently the device's AER capability was not 2963 * enabled, invoke the kernel's enable AER helper routine, trying to 2964 * enable the device's AER capability. If the helper routine enabling 2965 * AER returns success, update the device's cfg_aer_support flag to 2966 * indicate AER is supported by the device; otherwise, if the device 2967 * AER capability is already enabled to support AER, then do nothing. 2968 * 2969 * If the val is 0 and currently the device's AER support was enabled, 2970 * invoke the kernel's disable AER helper routine. After that, update 2971 * the device's cfg_aer_support flag to indicate AER is not supported 2972 * by the device; otherwise, if the device AER capability is already 2973 * disabled from supporting AER, then do nothing. 2974 * 2975 * Returns: 2976 * length of the buf on success if val is in range the intended mode 2977 * is supported. 2978 * -EINVAL if val out of range or intended mode is not supported. 2979 **/ 2980 static ssize_t 2981 lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, 2982 const char *buf, size_t count) 2983 { 2984 struct Scsi_Host *shost = class_to_shost(dev); 2985 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; 2986 struct lpfc_hba *phba = vport->phba; 2987 int val = 0, rc = -EINVAL; 2988 2989 if (!isdigit(buf[0])) 2990 return -EINVAL; 2991 if (sscanf(buf, "%i", &val) != 1) 2992 return -EINVAL; 2993 2994 switch (val) { 2995 case 0: 2996 if (phba->hba_flag & HBA_AER_ENABLED) { 2997 rc = pci_disable_pcie_error_reporting(phba->pcidev); 2998 if (!rc) { 2999 spin_lock_irq(&phba->hbalock); 3000 phba->hba_flag &= ~HBA_AER_ENABLED; 3001 spin_unlock_irq(&phba->hbalock); 3002 phba->cfg_aer_support = 0; 3003 rc = strlen(buf); 3004 } else 3005 rc = -EPERM; 3006 } else { 3007 phba->cfg_aer_support = 0; 3008 rc = strlen(buf); 3009 } 3010 break; 3011 case 1: 3012 if (!(phba->hba_flag & HBA_AER_ENABLED)) { 3013 rc = pci_enable_pcie_error_reporting(phba->pcidev); 3014 if (!rc) { 3015 spin_lock_irq(&phba->hbalock); 3016 phba->hba_flag |= HBA_AER_ENABLED; 3017 spin_unlock_irq(&phba->hbalock); 3018 phba->cfg_aer_support = 1; 3019 rc = strlen(buf); 3020 } else 3021 rc = -EPERM; 3022 } else { 3023 phba->cfg_aer_support = 1; 3024 rc = strlen(buf); 3025 } 3026 break; 3027 default: 3028 rc = -EINVAL; 3029 break; 3030 } 3031 return rc; 3032 } 3033 3034 static int lpfc_aer_support = 1; 3035 module_param(lpfc_aer_support, int, 1); 3036 MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); 3037 lpfc_param_show(aer_support) 3038 3039 /** 3040 * lpfc_aer_support_init - Set the initial adapters aer support flag 3041 * @phba: lpfc_hba pointer. 3042 * @val: link speed value. 3043 * 3044 * Description: 3045 * If val is in a valid range [0,1], then set the adapter's initial 3046 * cfg_aer_support field. It will be up to the driver's probe_one 3047 * routine to determine whether the device's AER support can be set 3048 * or not. 3049 * 3050 * Notes: 3051 * If the value is not in range log a kernel error message, and 3052 * choose the default value of setting AER support and return. 3053 * 3054 * Returns: 3055 * zero if val saved. 3056 * -EINVAL val out of range 3057 **/ 3058 static int 3059 lpfc_aer_support_init(struct lpfc_hba *phba, int val) 3060 { 3061 if (val == 0 || val == 1) { 3062 phba->cfg_aer_support = val; 3063 return 0; 3064 } 3065 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 3066 "2712 lpfc_aer_support attribute value %d out " 3067 "of range, allowed values are 0|1, setting it " 3068 "to default value of 1\n", val); 3069 /* By default, try to enable AER on a device */ 3070 phba->cfg_aer_support = 1; 3071 return -EINVAL; 3072 } 3073 3074 static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, 3075 lpfc_aer_support_show, lpfc_aer_support_store); 3076 3077 /** 3078 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device 3079 * @dev: class device that is converted into a Scsi_host. 3080 * @attr: device attribute, not used. 3081 * @buf: containing the string "selective". 3082 * @count: unused variable. 3083 * 3084 * Description: 3085 * If the @buf contains 1 and the device currently has the AER support 3086 * enabled, then invokes the kernel AER helper routine 3087 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable 3088 * error status register. 3089 * 3090 * Notes: 3091 * 3092 * Returns: 3093 * -EINVAL if the buf does not contain the 1 or the device is not currently 3094 * enabled with the AER support. 3095 **/ 3096 static ssize_t 3097 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, 3098 const char *buf, size_t count) 3099 { 3100 struct Scsi_Host *shost = class_to_shost(dev); 3101 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3102 struct lpfc_hba *phba = vport->phba; 3103 int val, rc = -1; 3104 3105 if (!isdigit(buf[0])) 3106 return -EINVAL; 3107 if (sscanf(buf, "%i", &val) != 1) 3108 return -EINVAL; 3109 if (val != 1) 3110 return -EINVAL; 3111 3112 if (phba->hba_flag & HBA_AER_ENABLED) 3113 rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); 3114 3115 if (rc == 0) 3116 return strlen(buf); 3117 else 3118 return -EPERM; 3119 } 3120 3121 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, 3122 lpfc_aer_cleanup_state); 3123 3124 /* 3125 # lpfc_fcp_class: Determines FC class to use for the FCP protocol. 3126 # Value range is [2,3]. Default value is 3. 3127 */ 3128 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, 3129 "Select Fibre Channel class of service for FCP sequences"); 3130 3131 /* 3132 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range 3133 # is [0,1]. Default value is 0. 3134 */ 3135 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, 3136 "Use ADISC on rediscovery to authenticate FCP devices"); 3137 3138 /* 3139 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue 3140 # depth. Default value is 0. When the value of this parameter is zero the 3141 # SCSI command completion time is not used for controlling I/O queue depth. When 3142 # the parameter is set to a non-zero value, the I/O queue depth is controlled 3143 # to limit the I/O completion time to the parameter value. 3144 # The value is set in milliseconds. 3145 */ 3146 static int lpfc_max_scsicmpl_time; 3147 module_param(lpfc_max_scsicmpl_time, int, 0); 3148 MODULE_PARM_DESC(lpfc_max_scsicmpl_time, 3149 "Use command completion time to control queue depth"); 3150 lpfc_vport_param_show(max_scsicmpl_time); 3151 lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); 3152 static int 3153 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) 3154 { 3155 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3156 struct lpfc_nodelist *ndlp, *next_ndlp; 3157 3158 if (val == vport->cfg_max_scsicmpl_time) 3159 return 0; 3160 if ((val < 0) || (val > 60000)) 3161 return -EINVAL; 3162 vport->cfg_max_scsicmpl_time = val; 3163 3164 spin_lock_irq(shost->host_lock); 3165 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 3166 if (!NLP_CHK_NODE_ACT(ndlp)) 3167 continue; 3168 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 3169 continue; 3170 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; 3171 } 3172 spin_unlock_irq(shost->host_lock); 3173 return 0; 3174 } 3175 lpfc_vport_param_store(max_scsicmpl_time); 3176 static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, 3177 lpfc_max_scsicmpl_time_show, 3178 lpfc_max_scsicmpl_time_store); 3179 3180 /* 3181 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value 3182 # range is [0,1]. Default value is 0. 3183 */ 3184 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); 3185 3186 /* 3187 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing 3188 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take 3189 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay 3190 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if 3191 # cr_delay is set to 0. 3192 */ 3193 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " 3194 "interrupt response is generated"); 3195 3196 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " 3197 "interrupt response is generated"); 3198 3199 /* 3200 # lpfc_multi_ring_support: Determines how many rings to spread available 3201 # cmd/rsp IOCB entries across. 3202 # Value range is [1,2]. Default value is 1. 3203 */ 3204 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " 3205 "SLI rings to spread IOCB entries across"); 3206 3207 /* 3208 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this 3209 # identifies what rctl value to configure the additional ring for. 3210 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). 3211 */ 3212 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, 3213 255, "Identifies RCTL for additional ring configuration"); 3214 3215 /* 3216 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this 3217 # identifies what type value to configure the additional ring for. 3218 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). 3219 */ 3220 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, 3221 255, "Identifies TYPE for additional ring configuration"); 3222 3223 /* 3224 # lpfc_fdmi_on: controls FDMI support. 3225 # 0 = no FDMI support 3226 # 1 = support FDMI without attribute of hostname 3227 # 2 = support FDMI with attribute of hostname 3228 # Value range [0,2]. Default value is 0. 3229 */ 3230 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); 3231 3232 /* 3233 # Specifies the maximum number of ELS cmds we can have outstanding (for 3234 # discovery). Value range is [1,64]. Default value = 32. 3235 */ 3236 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " 3237 "during discovery"); 3238 3239 /* 3240 # lpfc_max_luns: maximum allowed LUN. 3241 # Value range is [0,65535]. Default value is 255. 3242 # NOTE: The SCSI layer might probe all allowed LUN on some old targets. 3243 */ 3244 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); 3245 3246 /* 3247 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. 3248 # Value range is [1,255], default value is 10. 3249 */ 3250 LPFC_ATTR_RW(poll_tmo, 10, 1, 255, 3251 "Milliseconds driver will wait between polling FCP ring"); 3252 3253 /* 3254 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that 3255 # support this feature 3256 # 0 = MSI disabled 3257 # 1 = MSI enabled 3258 # 2 = MSI-X enabled (default) 3259 # Value range is [0,2]. Default value is 2. 3260 */ 3261 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " 3262 "MSI-X (2), if possible"); 3263 3264 /* 3265 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second 3266 # 3267 # Value range is [636,651042]. Default value is 10000. 3268 */ 3269 LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, 3270 "Set the maximum number of fast-path FCP interrupts per second"); 3271 3272 /* 3273 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues 3274 # 3275 # Value range is [1,31]. Default value is 4. 3276 */ 3277 LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, 3278 "Set the number of fast-path FCP work queues, if possible"); 3279 3280 /* 3281 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues 3282 # 3283 # Value range is [1,7]. Default value is 1. 3284 */ 3285 LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, 3286 "Set the number of fast-path FCP event queues, if possible"); 3287 3288 /* 3289 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. 3290 # 0 = HBA resets disabled 3291 # 1 = HBA resets enabled (default) 3292 # Value range is [0,1]. Default value is 1. 3293 */ 3294 LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); 3295 3296 /* 3297 # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. 3298 # 0 = HBA Heartbeat disabled 3299 # 1 = HBA Heartbeat enabled (default) 3300 # Value range is [0,1]. Default value is 1. 3301 */ 3302 LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); 3303 3304 /* 3305 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) 3306 # 0 = BlockGuard disabled (default) 3307 # 1 = BlockGuard enabled 3308 # Value range is [0,1]. Default value is 0. 3309 */ 3310 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); 3311 3312 /* 3313 # lpfc_prot_mask: i 3314 # - Bit mask of host protection capabilities used to register with the 3315 # SCSI mid-layer 3316 # - Only meaningful if BG is turned on (lpfc_enable_bg=1). 3317 # - Allows you to ultimately specify which profiles to use 3318 # - Default will result in registering capabilities for all profiles. 3319 # 3320 */ 3321 unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION; 3322 3323 module_param(lpfc_prot_mask, uint, 0); 3324 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); 3325 3326 /* 3327 # lpfc_prot_guard: i 3328 # - Bit mask of protection guard types to register with the SCSI mid-layer 3329 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC 3330 # - Allows you to ultimately specify which profiles to use 3331 # - Default will result in registering capabilities for all guard types 3332 # 3333 */ 3334 unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; 3335 module_param(lpfc_prot_guard, byte, 0); 3336 MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); 3337 3338 3339 /* 3340 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count 3341 * This value can be set to values between 64 and 256. The default value is 3342 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer 3343 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). 3344 */ 3345 LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, 3346 LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); 3347 3348 LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, 3349 LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, 3350 "Max Protection Scatter Gather Segment Count"); 3351 3352 struct device_attribute *lpfc_hba_attrs[] = { 3353 &dev_attr_bg_info, 3354 &dev_attr_bg_guard_err, 3355 &dev_attr_bg_apptag_err, 3356 &dev_attr_bg_reftag_err, 3357 &dev_attr_info, 3358 &dev_attr_serialnum, 3359 &dev_attr_modeldesc, 3360 &dev_attr_modelname, 3361 &dev_attr_programtype, 3362 &dev_attr_portnum, 3363 &dev_attr_fwrev, 3364 &dev_attr_hdw, 3365 &dev_attr_option_rom_version, 3366 &dev_attr_link_state, 3367 &dev_attr_num_discovered_ports, 3368 &dev_attr_menlo_mgmt_mode, 3369 &dev_attr_lpfc_drvr_version, 3370 &dev_attr_lpfc_enable_fip, 3371 &dev_attr_lpfc_temp_sensor, 3372 &dev_attr_lpfc_log_verbose, 3373 &dev_attr_lpfc_lun_queue_depth, 3374 &dev_attr_lpfc_tgt_queue_depth, 3375 &dev_attr_lpfc_hba_queue_depth, 3376 &dev_attr_lpfc_peer_port_login, 3377 &dev_attr_lpfc_nodev_tmo, 3378 &dev_attr_lpfc_devloss_tmo, 3379 &dev_attr_lpfc_fcp_class, 3380 &dev_attr_lpfc_use_adisc, 3381 &dev_attr_lpfc_ack0, 3382 &dev_attr_lpfc_topology, 3383 &dev_attr_lpfc_scan_down, 3384 &dev_attr_lpfc_link_speed, 3385 &dev_attr_lpfc_cr_delay, 3386 &dev_attr_lpfc_cr_count, 3387 &dev_attr_lpfc_multi_ring_support, 3388 &dev_attr_lpfc_multi_ring_rctl, 3389 &dev_attr_lpfc_multi_ring_type, 3390 &dev_attr_lpfc_fdmi_on, 3391 &dev_attr_lpfc_max_luns, 3392 &dev_attr_lpfc_enable_npiv, 3393 &dev_attr_nport_evt_cnt, 3394 &dev_attr_board_mode, 3395 &dev_attr_max_vpi, 3396 &dev_attr_used_vpi, 3397 &dev_attr_max_rpi, 3398 &dev_attr_used_rpi, 3399 &dev_attr_max_xri, 3400 &dev_attr_used_xri, 3401 &dev_attr_npiv_info, 3402 &dev_attr_issue_reset, 3403 &dev_attr_lpfc_poll, 3404 &dev_attr_lpfc_poll_tmo, 3405 &dev_attr_lpfc_use_msi, 3406 &dev_attr_lpfc_fcp_imax, 3407 &dev_attr_lpfc_fcp_wq_count, 3408 &dev_attr_lpfc_fcp_eq_count, 3409 &dev_attr_lpfc_enable_bg, 3410 &dev_attr_lpfc_soft_wwnn, 3411 &dev_attr_lpfc_soft_wwpn, 3412 &dev_attr_lpfc_soft_wwn_enable, 3413 &dev_attr_lpfc_enable_hba_reset, 3414 &dev_attr_lpfc_enable_hba_heartbeat, 3415 &dev_attr_lpfc_sg_seg_cnt, 3416 &dev_attr_lpfc_max_scsicmpl_time, 3417 &dev_attr_lpfc_stat_data_ctrl, 3418 &dev_attr_lpfc_prot_sg_seg_cnt, 3419 &dev_attr_lpfc_aer_support, 3420 &dev_attr_lpfc_aer_state_cleanup, 3421 &dev_attr_lpfc_suppress_link_up, 3422 &dev_attr_lpfc_iocb_cnt, 3423 &dev_attr_iocb_hw, 3424 &dev_attr_txq_hw, 3425 &dev_attr_txcmplq_hw, 3426 &dev_attr_lpfc_fips_level, 3427 &dev_attr_lpfc_fips_rev, 3428 NULL, 3429 }; 3430 3431 struct device_attribute *lpfc_vport_attrs[] = { 3432 &dev_attr_info, 3433 &dev_attr_link_state, 3434 &dev_attr_num_discovered_ports, 3435 &dev_attr_lpfc_drvr_version, 3436 &dev_attr_lpfc_log_verbose, 3437 &dev_attr_lpfc_lun_queue_depth, 3438 &dev_attr_lpfc_tgt_queue_depth, 3439 &dev_attr_lpfc_nodev_tmo, 3440 &dev_attr_lpfc_devloss_tmo, 3441 &dev_attr_lpfc_hba_queue_depth, 3442 &dev_attr_lpfc_peer_port_login, 3443 &dev_attr_lpfc_restrict_login, 3444 &dev_attr_lpfc_fcp_class, 3445 &dev_attr_lpfc_use_adisc, 3446 &dev_attr_lpfc_fdmi_on, 3447 &dev_attr_lpfc_max_luns, 3448 &dev_attr_nport_evt_cnt, 3449 &dev_attr_npiv_info, 3450 &dev_attr_lpfc_enable_da_id, 3451 &dev_attr_lpfc_max_scsicmpl_time, 3452 &dev_attr_lpfc_stat_data_ctrl, 3453 &dev_attr_lpfc_static_vport, 3454 &dev_attr_lpfc_fips_level, 3455 &dev_attr_lpfc_fips_rev, 3456 NULL, 3457 }; 3458 3459 /** 3460 * sysfs_ctlreg_write - Write method for writing to ctlreg 3461 * @filp: open sysfs file 3462 * @kobj: kernel kobject that contains the kernel class device. 3463 * @bin_attr: kernel attributes passed to us. 3464 * @buf: contains the data to be written to the adapter IOREG space. 3465 * @off: offset into buffer to beginning of data. 3466 * @count: bytes to transfer. 3467 * 3468 * Description: 3469 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. 3470 * Uses the adapter io control registers to send buf contents to the adapter. 3471 * 3472 * Returns: 3473 * -ERANGE off and count combo out of range 3474 * -EINVAL off, count or buff address invalid 3475 * -EPERM adapter is offline 3476 * value of count, buf contents written 3477 **/ 3478 static ssize_t 3479 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, 3480 struct bin_attribute *bin_attr, 3481 char *buf, loff_t off, size_t count) 3482 { 3483 size_t buf_off; 3484 struct device *dev = container_of(kobj, struct device, kobj); 3485 struct Scsi_Host *shost = class_to_shost(dev); 3486 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3487 struct lpfc_hba *phba = vport->phba; 3488 3489 if (phba->sli_rev >= LPFC_SLI_REV4) 3490 return -EPERM; 3491 3492 if ((off + count) > FF_REG_AREA_SIZE) 3493 return -ERANGE; 3494 3495 if (count == 0) return 0; 3496 3497 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3498 return -EINVAL; 3499 3500 if (!(vport->fc_flag & FC_OFFLINE_MODE)) { 3501 return -EPERM; 3502 } 3503 3504 spin_lock_irq(&phba->hbalock); 3505 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) 3506 writel(*((uint32_t *)(buf + buf_off)), 3507 phba->ctrl_regs_memmap_p + off + buf_off); 3508 3509 spin_unlock_irq(&phba->hbalock); 3510 3511 return count; 3512 } 3513 3514 /** 3515 * sysfs_ctlreg_read - Read method for reading from ctlreg 3516 * @filp: open sysfs file 3517 * @kobj: kernel kobject that contains the kernel class device. 3518 * @bin_attr: kernel attributes passed to us. 3519 * @buf: if successful contains the data from the adapter IOREG space. 3520 * @off: offset into buffer to beginning of data. 3521 * @count: bytes to transfer. 3522 * 3523 * Description: 3524 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. 3525 * Uses the adapter io control registers to read data into buf. 3526 * 3527 * Returns: 3528 * -ERANGE off and count combo out of range 3529 * -EINVAL off, count or buff address invalid 3530 * value of count, buf contents read 3531 **/ 3532 static ssize_t 3533 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, 3534 struct bin_attribute *bin_attr, 3535 char *buf, loff_t off, size_t count) 3536 { 3537 size_t buf_off; 3538 uint32_t * tmp_ptr; 3539 struct device *dev = container_of(kobj, struct device, kobj); 3540 struct Scsi_Host *shost = class_to_shost(dev); 3541 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3542 struct lpfc_hba *phba = vport->phba; 3543 3544 if (phba->sli_rev >= LPFC_SLI_REV4) 3545 return -EPERM; 3546 3547 if (off > FF_REG_AREA_SIZE) 3548 return -ERANGE; 3549 3550 if ((off + count) > FF_REG_AREA_SIZE) 3551 count = FF_REG_AREA_SIZE - off; 3552 3553 if (count == 0) return 0; 3554 3555 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3556 return -EINVAL; 3557 3558 spin_lock_irq(&phba->hbalock); 3559 3560 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { 3561 tmp_ptr = (uint32_t *)(buf + buf_off); 3562 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); 3563 } 3564 3565 spin_unlock_irq(&phba->hbalock); 3566 3567 return count; 3568 } 3569 3570 static struct bin_attribute sysfs_ctlreg_attr = { 3571 .attr = { 3572 .name = "ctlreg", 3573 .mode = S_IRUSR | S_IWUSR, 3574 }, 3575 .size = 256, 3576 .read = sysfs_ctlreg_read, 3577 .write = sysfs_ctlreg_write, 3578 }; 3579 3580 /** 3581 * sysfs_mbox_idle - frees the sysfs mailbox 3582 * @phba: lpfc_hba pointer 3583 **/ 3584 static void 3585 sysfs_mbox_idle(struct lpfc_hba *phba) 3586 { 3587 phba->sysfs_mbox.state = SMBOX_IDLE; 3588 phba->sysfs_mbox.offset = 0; 3589 3590 if (phba->sysfs_mbox.mbox) { 3591 mempool_free(phba->sysfs_mbox.mbox, 3592 phba->mbox_mem_pool); 3593 phba->sysfs_mbox.mbox = NULL; 3594 } 3595 } 3596 3597 /** 3598 * sysfs_mbox_write - Write method for writing information via mbox 3599 * @filp: open sysfs file 3600 * @kobj: kernel kobject that contains the kernel class device. 3601 * @bin_attr: kernel attributes passed to us. 3602 * @buf: contains the data to be written to sysfs mbox. 3603 * @off: offset into buffer to beginning of data. 3604 * @count: bytes to transfer. 3605 * 3606 * Description: 3607 * Accessed via /sys/class/scsi_host/hostxxx/mbox. 3608 * Uses the sysfs mbox to send buf contents to the adapter. 3609 * 3610 * Returns: 3611 * -ERANGE off and count combo out of range 3612 * -EINVAL off, count or buff address invalid 3613 * zero if count is zero 3614 * -EPERM adapter is offline 3615 * -ENOMEM failed to allocate memory for the mail box 3616 * -EAGAIN offset, state or mbox is NULL 3617 * count number of bytes transferred 3618 **/ 3619 static ssize_t 3620 sysfs_mbox_write(struct file *filp, struct kobject *kobj, 3621 struct bin_attribute *bin_attr, 3622 char *buf, loff_t off, size_t count) 3623 { 3624 struct device *dev = container_of(kobj, struct device, kobj); 3625 struct Scsi_Host *shost = class_to_shost(dev); 3626 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3627 struct lpfc_hba *phba = vport->phba; 3628 struct lpfcMboxq *mbox = NULL; 3629 3630 if ((count + off) > MAILBOX_CMD_SIZE) 3631 return -ERANGE; 3632 3633 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3634 return -EINVAL; 3635 3636 if (count == 0) 3637 return 0; 3638 3639 if (off == 0) { 3640 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 3641 if (!mbox) 3642 return -ENOMEM; 3643 memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); 3644 } 3645 3646 spin_lock_irq(&phba->hbalock); 3647 3648 if (off == 0) { 3649 if (phba->sysfs_mbox.mbox) 3650 mempool_free(mbox, phba->mbox_mem_pool); 3651 else 3652 phba->sysfs_mbox.mbox = mbox; 3653 phba->sysfs_mbox.state = SMBOX_WRITING; 3654 } else { 3655 if (phba->sysfs_mbox.state != SMBOX_WRITING || 3656 phba->sysfs_mbox.offset != off || 3657 phba->sysfs_mbox.mbox == NULL) { 3658 sysfs_mbox_idle(phba); 3659 spin_unlock_irq(&phba->hbalock); 3660 return -EAGAIN; 3661 } 3662 } 3663 3664 memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, 3665 buf, count); 3666 3667 phba->sysfs_mbox.offset = off + count; 3668 3669 spin_unlock_irq(&phba->hbalock); 3670 3671 return count; 3672 } 3673 3674 /** 3675 * sysfs_mbox_read - Read method for reading information via mbox 3676 * @filp: open sysfs file 3677 * @kobj: kernel kobject that contains the kernel class device. 3678 * @bin_attr: kernel attributes passed to us. 3679 * @buf: contains the data to be read from sysfs mbox. 3680 * @off: offset into buffer to beginning of data. 3681 * @count: bytes to transfer. 3682 * 3683 * Description: 3684 * Accessed via /sys/class/scsi_host/hostxxx/mbox. 3685 * Uses the sysfs mbox to receive data from to the adapter. 3686 * 3687 * Returns: 3688 * -ERANGE off greater than mailbox command size 3689 * -EINVAL off, count or buff address invalid 3690 * zero if off and count are zero 3691 * -EACCES adapter over temp 3692 * -EPERM garbage can value to catch a multitude of errors 3693 * -EAGAIN management IO not permitted, state or off error 3694 * -ETIME mailbox timeout 3695 * -ENODEV mailbox error 3696 * count number of bytes transferred 3697 **/ 3698 static ssize_t 3699 sysfs_mbox_read(struct file *filp, struct kobject *kobj, 3700 struct bin_attribute *bin_attr, 3701 char *buf, loff_t off, size_t count) 3702 { 3703 struct device *dev = container_of(kobj, struct device, kobj); 3704 struct Scsi_Host *shost = class_to_shost(dev); 3705 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3706 struct lpfc_hba *phba = vport->phba; 3707 int rc; 3708 MAILBOX_t *pmb; 3709 3710 if (off > MAILBOX_CMD_SIZE) 3711 return -ERANGE; 3712 3713 if ((count + off) > MAILBOX_CMD_SIZE) 3714 count = MAILBOX_CMD_SIZE - off; 3715 3716 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3717 return -EINVAL; 3718 3719 if (off && count == 0) 3720 return 0; 3721 3722 spin_lock_irq(&phba->hbalock); 3723 3724 if (phba->over_temp_state == HBA_OVER_TEMP) { 3725 sysfs_mbox_idle(phba); 3726 spin_unlock_irq(&phba->hbalock); 3727 return -EACCES; 3728 } 3729 3730 if (off == 0 && 3731 phba->sysfs_mbox.state == SMBOX_WRITING && 3732 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { 3733 pmb = &phba->sysfs_mbox.mbox->u.mb; 3734 switch (pmb->mbxCommand) { 3735 /* Offline only */ 3736 case MBX_INIT_LINK: 3737 case MBX_DOWN_LINK: 3738 case MBX_CONFIG_LINK: 3739 case MBX_CONFIG_RING: 3740 case MBX_RESET_RING: 3741 case MBX_UNREG_LOGIN: 3742 case MBX_CLEAR_LA: 3743 case MBX_DUMP_CONTEXT: 3744 case MBX_RUN_DIAGS: 3745 case MBX_RESTART: 3746 case MBX_SET_MASK: 3747 case MBX_SET_DEBUG: 3748 if (!(vport->fc_flag & FC_OFFLINE_MODE)) { 3749 printk(KERN_WARNING "mbox_read:Command 0x%x " 3750 "is illegal in on-line state\n", 3751 pmb->mbxCommand); 3752 sysfs_mbox_idle(phba); 3753 spin_unlock_irq(&phba->hbalock); 3754 return -EPERM; 3755 } 3756 case MBX_WRITE_NV: 3757 case MBX_WRITE_VPARMS: 3758 case MBX_LOAD_SM: 3759 case MBX_READ_NV: 3760 case MBX_READ_CONFIG: 3761 case MBX_READ_RCONFIG: 3762 case MBX_READ_STATUS: 3763 case MBX_READ_XRI: 3764 case MBX_READ_REV: 3765 case MBX_READ_LNK_STAT: 3766 case MBX_DUMP_MEMORY: 3767 case MBX_DOWN_LOAD: 3768 case MBX_UPDATE_CFG: 3769 case MBX_KILL_BOARD: 3770 case MBX_LOAD_AREA: 3771 case MBX_LOAD_EXP_ROM: 3772 case MBX_BEACON: 3773 case MBX_DEL_LD_ENTRY: 3774 case MBX_SET_VARIABLE: 3775 case MBX_WRITE_WWN: 3776 case MBX_PORT_CAPABILITIES: 3777 case MBX_PORT_IOV_CONTROL: 3778 break; 3779 case MBX_READ_SPARM64: 3780 case MBX_READ_LA: 3781 case MBX_READ_LA64: 3782 case MBX_REG_LOGIN: 3783 case MBX_REG_LOGIN64: 3784 case MBX_CONFIG_PORT: 3785 case MBX_RUN_BIU_DIAG: 3786 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", 3787 pmb->mbxCommand); 3788 sysfs_mbox_idle(phba); 3789 spin_unlock_irq(&phba->hbalock); 3790 return -EPERM; 3791 default: 3792 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", 3793 pmb->mbxCommand); 3794 sysfs_mbox_idle(phba); 3795 spin_unlock_irq(&phba->hbalock); 3796 return -EPERM; 3797 } 3798 3799 /* If HBA encountered an error attention, allow only DUMP 3800 * or RESTART mailbox commands until the HBA is restarted. 3801 */ 3802 if (phba->pport->stopped && 3803 pmb->mbxCommand != MBX_DUMP_MEMORY && 3804 pmb->mbxCommand != MBX_RESTART && 3805 pmb->mbxCommand != MBX_WRITE_VPARMS && 3806 pmb->mbxCommand != MBX_WRITE_WWN) 3807 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 3808 "1259 mbox: Issued mailbox cmd " 3809 "0x%x while in stopped state.\n", 3810 pmb->mbxCommand); 3811 3812 phba->sysfs_mbox.mbox->vport = vport; 3813 3814 /* Don't allow mailbox commands to be sent when blocked 3815 * or when in the middle of discovery 3816 */ 3817 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { 3818 sysfs_mbox_idle(phba); 3819 spin_unlock_irq(&phba->hbalock); 3820 return -EAGAIN; 3821 } 3822 3823 if ((vport->fc_flag & FC_OFFLINE_MODE) || 3824 (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { 3825 3826 spin_unlock_irq(&phba->hbalock); 3827 rc = lpfc_sli_issue_mbox (phba, 3828 phba->sysfs_mbox.mbox, 3829 MBX_POLL); 3830 spin_lock_irq(&phba->hbalock); 3831 3832 } else { 3833 spin_unlock_irq(&phba->hbalock); 3834 rc = lpfc_sli_issue_mbox_wait (phba, 3835 phba->sysfs_mbox.mbox, 3836 lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); 3837 spin_lock_irq(&phba->hbalock); 3838 } 3839 3840 if (rc != MBX_SUCCESS) { 3841 if (rc == MBX_TIMEOUT) { 3842 phba->sysfs_mbox.mbox = NULL; 3843 } 3844 sysfs_mbox_idle(phba); 3845 spin_unlock_irq(&phba->hbalock); 3846 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; 3847 } 3848 phba->sysfs_mbox.state = SMBOX_READING; 3849 } 3850 else if (phba->sysfs_mbox.offset != off || 3851 phba->sysfs_mbox.state != SMBOX_READING) { 3852 printk(KERN_WARNING "mbox_read: Bad State\n"); 3853 sysfs_mbox_idle(phba); 3854 spin_unlock_irq(&phba->hbalock); 3855 return -EAGAIN; 3856 } 3857 3858 memcpy(buf, (uint8_t *) &pmb + off, count); 3859 3860 phba->sysfs_mbox.offset = off + count; 3861 3862 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) 3863 sysfs_mbox_idle(phba); 3864 3865 spin_unlock_irq(&phba->hbalock); 3866 3867 return count; 3868 } 3869 3870 static struct bin_attribute sysfs_mbox_attr = { 3871 .attr = { 3872 .name = "mbox", 3873 .mode = S_IRUSR | S_IWUSR, 3874 }, 3875 .size = MAILBOX_CMD_SIZE, 3876 .read = sysfs_mbox_read, 3877 .write = sysfs_mbox_write, 3878 }; 3879 3880 /** 3881 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries 3882 * @vport: address of lpfc vport structure. 3883 * 3884 * Return codes: 3885 * zero on success 3886 * error return code from sysfs_create_bin_file() 3887 **/ 3888 int 3889 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) 3890 { 3891 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3892 int error; 3893 3894 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3895 &sysfs_drvr_stat_data_attr); 3896 3897 /* Virtual ports do not need ctrl_reg and mbox */ 3898 if (error || vport->port_type == LPFC_NPIV_PORT) 3899 goto out; 3900 3901 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3902 &sysfs_ctlreg_attr); 3903 if (error) 3904 goto out_remove_stat_attr; 3905 3906 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3907 &sysfs_mbox_attr); 3908 if (error) 3909 goto out_remove_ctlreg_attr; 3910 3911 return 0; 3912 out_remove_ctlreg_attr: 3913 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); 3914 out_remove_stat_attr: 3915 sysfs_remove_bin_file(&shost->shost_dev.kobj, 3916 &sysfs_drvr_stat_data_attr); 3917 out: 3918 return error; 3919 } 3920 3921 /** 3922 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries 3923 * @vport: address of lpfc vport structure. 3924 **/ 3925 void 3926 lpfc_free_sysfs_attr(struct lpfc_vport *vport) 3927 { 3928 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3929 sysfs_remove_bin_file(&shost->shost_dev.kobj, 3930 &sysfs_drvr_stat_data_attr); 3931 /* Virtual ports do not need ctrl_reg and mbox */ 3932 if (vport->port_type == LPFC_NPIV_PORT) 3933 return; 3934 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); 3935 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); 3936 } 3937 3938 3939 /* 3940 * Dynamic FC Host Attributes Support 3941 */ 3942 3943 /** 3944 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id 3945 * @shost: kernel scsi host pointer. 3946 **/ 3947 static void 3948 lpfc_get_host_port_id(struct Scsi_Host *shost) 3949 { 3950 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3951 3952 /* note: fc_myDID already in cpu endianness */ 3953 fc_host_port_id(shost) = vport->fc_myDID; 3954 } 3955 3956 /** 3957 * lpfc_get_host_port_type - Set the value of the scsi host port type 3958 * @shost: kernel scsi host pointer. 3959 **/ 3960 static void 3961 lpfc_get_host_port_type(struct Scsi_Host *shost) 3962 { 3963 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3964 struct lpfc_hba *phba = vport->phba; 3965 3966 spin_lock_irq(shost->host_lock); 3967 3968 if (vport->port_type == LPFC_NPIV_PORT) { 3969 fc_host_port_type(shost) = FC_PORTTYPE_NPIV; 3970 } else if (lpfc_is_link_up(phba)) { 3971 if (phba->fc_topology == TOPOLOGY_LOOP) { 3972 if (vport->fc_flag & FC_PUBLIC_LOOP) 3973 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; 3974 else 3975 fc_host_port_type(shost) = FC_PORTTYPE_LPORT; 3976 } else { 3977 if (vport->fc_flag & FC_FABRIC) 3978 fc_host_port_type(shost) = FC_PORTTYPE_NPORT; 3979 else 3980 fc_host_port_type(shost) = FC_PORTTYPE_PTP; 3981 } 3982 } else 3983 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; 3984 3985 spin_unlock_irq(shost->host_lock); 3986 } 3987 3988 /** 3989 * lpfc_get_host_port_state - Set the value of the scsi host port state 3990 * @shost: kernel scsi host pointer. 3991 **/ 3992 static void 3993 lpfc_get_host_port_state(struct Scsi_Host *shost) 3994 { 3995 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3996 struct lpfc_hba *phba = vport->phba; 3997 3998 spin_lock_irq(shost->host_lock); 3999 4000 if (vport->fc_flag & FC_OFFLINE_MODE) 4001 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; 4002 else { 4003 switch (phba->link_state) { 4004 case LPFC_LINK_UNKNOWN: 4005 case LPFC_LINK_DOWN: 4006 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; 4007 break; 4008 case LPFC_LINK_UP: 4009 case LPFC_CLEAR_LA: 4010 case LPFC_HBA_READY: 4011 /* Links up, beyond this port_type reports state */ 4012 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; 4013 break; 4014 case LPFC_HBA_ERROR: 4015 fc_host_port_state(shost) = FC_PORTSTATE_ERROR; 4016 break; 4017 default: 4018 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; 4019 break; 4020 } 4021 } 4022 4023 spin_unlock_irq(shost->host_lock); 4024 } 4025 4026 /** 4027 * lpfc_get_host_speed - Set the value of the scsi host speed 4028 * @shost: kernel scsi host pointer. 4029 **/ 4030 static void 4031 lpfc_get_host_speed(struct Scsi_Host *shost) 4032 { 4033 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4034 struct lpfc_hba *phba = vport->phba; 4035 4036 spin_lock_irq(shost->host_lock); 4037 4038 if (lpfc_is_link_up(phba)) { 4039 switch(phba->fc_linkspeed) { 4040 case LA_1GHZ_LINK: 4041 fc_host_speed(shost) = FC_PORTSPEED_1GBIT; 4042 break; 4043 case LA_2GHZ_LINK: 4044 fc_host_speed(shost) = FC_PORTSPEED_2GBIT; 4045 break; 4046 case LA_4GHZ_LINK: 4047 fc_host_speed(shost) = FC_PORTSPEED_4GBIT; 4048 break; 4049 case LA_8GHZ_LINK: 4050 fc_host_speed(shost) = FC_PORTSPEED_8GBIT; 4051 break; 4052 case LA_10GHZ_LINK: 4053 fc_host_speed(shost) = FC_PORTSPEED_10GBIT; 4054 break; 4055 default: 4056 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; 4057 break; 4058 } 4059 } else 4060 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; 4061 4062 spin_unlock_irq(shost->host_lock); 4063 } 4064 4065 /** 4066 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name 4067 * @shost: kernel scsi host pointer. 4068 **/ 4069 static void 4070 lpfc_get_host_fabric_name (struct Scsi_Host *shost) 4071 { 4072 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4073 struct lpfc_hba *phba = vport->phba; 4074 u64 node_name; 4075 4076 spin_lock_irq(shost->host_lock); 4077 4078 if ((vport->fc_flag & FC_FABRIC) || 4079 ((phba->fc_topology == TOPOLOGY_LOOP) && 4080 (vport->fc_flag & FC_PUBLIC_LOOP))) 4081 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); 4082 else 4083 /* fabric is local port if there is no F/FL_Port */ 4084 node_name = 0; 4085 4086 spin_unlock_irq(shost->host_lock); 4087 4088 fc_host_fabric_name(shost) = node_name; 4089 } 4090 4091 /** 4092 * lpfc_get_stats - Return statistical information about the adapter 4093 * @shost: kernel scsi host pointer. 4094 * 4095 * Notes: 4096 * NULL on error for link down, no mbox pool, sli2 active, 4097 * management not allowed, memory allocation error, or mbox error. 4098 * 4099 * Returns: 4100 * NULL for error 4101 * address of the adapter host statistics 4102 **/ 4103 static struct fc_host_statistics * 4104 lpfc_get_stats(struct Scsi_Host *shost) 4105 { 4106 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4107 struct lpfc_hba *phba = vport->phba; 4108 struct lpfc_sli *psli = &phba->sli; 4109 struct fc_host_statistics *hs = &phba->link_stats; 4110 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; 4111 LPFC_MBOXQ_t *pmboxq; 4112 MAILBOX_t *pmb; 4113 unsigned long seconds; 4114 int rc = 0; 4115 4116 /* 4117 * prevent udev from issuing mailbox commands until the port is 4118 * configured. 4119 */ 4120 if (phba->link_state < LPFC_LINK_DOWN || 4121 !phba->mbox_mem_pool || 4122 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) 4123 return NULL; 4124 4125 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 4126 return NULL; 4127 4128 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4129 if (!pmboxq) 4130 return NULL; 4131 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 4132 4133 pmb = &pmboxq->u.mb; 4134 pmb->mbxCommand = MBX_READ_STATUS; 4135 pmb->mbxOwner = OWN_HOST; 4136 pmboxq->context1 = NULL; 4137 pmboxq->vport = vport; 4138 4139 if (vport->fc_flag & FC_OFFLINE_MODE) 4140 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4141 else 4142 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4143 4144 if (rc != MBX_SUCCESS) { 4145 if (rc != MBX_TIMEOUT) 4146 mempool_free(pmboxq, phba->mbox_mem_pool); 4147 return NULL; 4148 } 4149 4150 memset(hs, 0, sizeof (struct fc_host_statistics)); 4151 4152 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; 4153 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); 4154 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; 4155 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); 4156 4157 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 4158 pmb->mbxCommand = MBX_READ_LNK_STAT; 4159 pmb->mbxOwner = OWN_HOST; 4160 pmboxq->context1 = NULL; 4161 pmboxq->vport = vport; 4162 4163 if (vport->fc_flag & FC_OFFLINE_MODE) 4164 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4165 else 4166 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4167 4168 if (rc != MBX_SUCCESS) { 4169 if (rc != MBX_TIMEOUT) 4170 mempool_free(pmboxq, phba->mbox_mem_pool); 4171 return NULL; 4172 } 4173 4174 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; 4175 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; 4176 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; 4177 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; 4178 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; 4179 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; 4180 hs->error_frames = pmb->un.varRdLnk.crcCnt; 4181 4182 hs->link_failure_count -= lso->link_failure_count; 4183 hs->loss_of_sync_count -= lso->loss_of_sync_count; 4184 hs->loss_of_signal_count -= lso->loss_of_signal_count; 4185 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; 4186 hs->invalid_tx_word_count -= lso->invalid_tx_word_count; 4187 hs->invalid_crc_count -= lso->invalid_crc_count; 4188 hs->error_frames -= lso->error_frames; 4189 4190 if (phba->hba_flag & HBA_FCOE_SUPPORT) { 4191 hs->lip_count = -1; 4192 hs->nos_count = (phba->link_events >> 1); 4193 hs->nos_count -= lso->link_events; 4194 } else if (phba->fc_topology == TOPOLOGY_LOOP) { 4195 hs->lip_count = (phba->fc_eventTag >> 1); 4196 hs->lip_count -= lso->link_events; 4197 hs->nos_count = -1; 4198 } else { 4199 hs->lip_count = -1; 4200 hs->nos_count = (phba->fc_eventTag >> 1); 4201 hs->nos_count -= lso->link_events; 4202 } 4203 4204 hs->dumped_frames = -1; 4205 4206 seconds = get_seconds(); 4207 if (seconds < psli->stats_start) 4208 hs->seconds_since_last_reset = seconds + 4209 ((unsigned long)-1 - psli->stats_start); 4210 else 4211 hs->seconds_since_last_reset = seconds - psli->stats_start; 4212 4213 mempool_free(pmboxq, phba->mbox_mem_pool); 4214 4215 return hs; 4216 } 4217 4218 /** 4219 * lpfc_reset_stats - Copy the adapter link stats information 4220 * @shost: kernel scsi host pointer. 4221 **/ 4222 static void 4223 lpfc_reset_stats(struct Scsi_Host *shost) 4224 { 4225 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4226 struct lpfc_hba *phba = vport->phba; 4227 struct lpfc_sli *psli = &phba->sli; 4228 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; 4229 LPFC_MBOXQ_t *pmboxq; 4230 MAILBOX_t *pmb; 4231 int rc = 0; 4232 4233 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 4234 return; 4235 4236 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4237 if (!pmboxq) 4238 return; 4239 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); 4240 4241 pmb = &pmboxq->u.mb; 4242 pmb->mbxCommand = MBX_READ_STATUS; 4243 pmb->mbxOwner = OWN_HOST; 4244 pmb->un.varWords[0] = 0x1; /* reset request */ 4245 pmboxq->context1 = NULL; 4246 pmboxq->vport = vport; 4247 4248 if ((vport->fc_flag & FC_OFFLINE_MODE) || 4249 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) 4250 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4251 else 4252 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4253 4254 if (rc != MBX_SUCCESS) { 4255 if (rc != MBX_TIMEOUT) 4256 mempool_free(pmboxq, phba->mbox_mem_pool); 4257 return; 4258 } 4259 4260 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); 4261 pmb->mbxCommand = MBX_READ_LNK_STAT; 4262 pmb->mbxOwner = OWN_HOST; 4263 pmboxq->context1 = NULL; 4264 pmboxq->vport = vport; 4265 4266 if ((vport->fc_flag & FC_OFFLINE_MODE) || 4267 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) 4268 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4269 else 4270 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4271 4272 if (rc != MBX_SUCCESS) { 4273 if (rc != MBX_TIMEOUT) 4274 mempool_free( pmboxq, phba->mbox_mem_pool); 4275 return; 4276 } 4277 4278 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; 4279 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; 4280 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; 4281 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; 4282 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; 4283 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; 4284 lso->error_frames = pmb->un.varRdLnk.crcCnt; 4285 if (phba->hba_flag & HBA_FCOE_SUPPORT) 4286 lso->link_events = (phba->link_events >> 1); 4287 else 4288 lso->link_events = (phba->fc_eventTag >> 1); 4289 4290 psli->stats_start = get_seconds(); 4291 4292 mempool_free(pmboxq, phba->mbox_mem_pool); 4293 4294 return; 4295 } 4296 4297 /* 4298 * The LPFC driver treats linkdown handling as target loss events so there 4299 * are no sysfs handlers for link_down_tmo. 4300 */ 4301 4302 /** 4303 * lpfc_get_node_by_target - Return the nodelist for a target 4304 * @starget: kernel scsi target pointer. 4305 * 4306 * Returns: 4307 * address of the node list if found 4308 * NULL target not found 4309 **/ 4310 static struct lpfc_nodelist * 4311 lpfc_get_node_by_target(struct scsi_target *starget) 4312 { 4313 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 4314 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4315 struct lpfc_nodelist *ndlp; 4316 4317 spin_lock_irq(shost->host_lock); 4318 /* Search for this, mapped, target ID */ 4319 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 4320 if (NLP_CHK_NODE_ACT(ndlp) && 4321 ndlp->nlp_state == NLP_STE_MAPPED_NODE && 4322 starget->id == ndlp->nlp_sid) { 4323 spin_unlock_irq(shost->host_lock); 4324 return ndlp; 4325 } 4326 } 4327 spin_unlock_irq(shost->host_lock); 4328 return NULL; 4329 } 4330 4331 /** 4332 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 4333 * @starget: kernel scsi target pointer. 4334 **/ 4335 static void 4336 lpfc_get_starget_port_id(struct scsi_target *starget) 4337 { 4338 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4339 4340 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; 4341 } 4342 4343 /** 4344 * lpfc_get_starget_node_name - Set the target node name 4345 * @starget: kernel scsi target pointer. 4346 * 4347 * Description: Set the target node name to the ndlp node name wwn or zero. 4348 **/ 4349 static void 4350 lpfc_get_starget_node_name(struct scsi_target *starget) 4351 { 4352 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4353 4354 fc_starget_node_name(starget) = 4355 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; 4356 } 4357 4358 /** 4359 * lpfc_get_starget_port_name - Set the target port name 4360 * @starget: kernel scsi target pointer. 4361 * 4362 * Description: set the target port name to the ndlp port name wwn or zero. 4363 **/ 4364 static void 4365 lpfc_get_starget_port_name(struct scsi_target *starget) 4366 { 4367 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4368 4369 fc_starget_port_name(starget) = 4370 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; 4371 } 4372 4373 /** 4374 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo 4375 * @rport: fc rport address. 4376 * @timeout: new value for dev loss tmo. 4377 * 4378 * Description: 4379 * If timeout is non zero set the dev_loss_tmo to timeout, else set 4380 * dev_loss_tmo to one. 4381 **/ 4382 static void 4383 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) 4384 { 4385 if (timeout) 4386 rport->dev_loss_tmo = timeout; 4387 else 4388 rport->dev_loss_tmo = 1; 4389 } 4390 4391 /** 4392 * lpfc_rport_show_function - Return rport target information 4393 * 4394 * Description: 4395 * Macro that uses field to generate a function with the name lpfc_show_rport_ 4396 * 4397 * lpfc_show_rport_##field: returns the bytes formatted in buf 4398 * @cdev: class converted to an fc_rport. 4399 * @buf: on return contains the target_field or zero. 4400 * 4401 * Returns: size of formatted string. 4402 **/ 4403 #define lpfc_rport_show_function(field, format_string, sz, cast) \ 4404 static ssize_t \ 4405 lpfc_show_rport_##field (struct device *dev, \ 4406 struct device_attribute *attr, \ 4407 char *buf) \ 4408 { \ 4409 struct fc_rport *rport = transport_class_to_rport(dev); \ 4410 struct lpfc_rport_data *rdata = rport->hostdata; \ 4411 return snprintf(buf, sz, format_string, \ 4412 (rdata->target) ? cast rdata->target->field : 0); \ 4413 } 4414 4415 #define lpfc_rport_rd_attr(field, format_string, sz) \ 4416 lpfc_rport_show_function(field, format_string, sz, ) \ 4417 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) 4418 4419 /** 4420 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name 4421 * @fc_vport: The fc_vport who's symbolic name has been changed. 4422 * 4423 * Description: 4424 * This function is called by the transport after the @fc_vport's symbolic name 4425 * has been changed. This function re-registers the symbolic name with the 4426 * switch to propogate the change into the fabric if the vport is active. 4427 **/ 4428 static void 4429 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) 4430 { 4431 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; 4432 4433 if (vport->port_state == LPFC_VPORT_READY) 4434 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); 4435 } 4436 4437 /** 4438 * lpfc_hba_log_verbose_init - Set hba's log verbose level 4439 * @phba: Pointer to lpfc_hba struct. 4440 * 4441 * This function is called by the lpfc_get_cfgparam() routine to set the 4442 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with 4443 * log messsage according to the module's lpfc_log_verbose parameter setting 4444 * before hba port or vport created. 4445 **/ 4446 static void 4447 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) 4448 { 4449 phba->cfg_log_verbose = verbose; 4450 } 4451 4452 struct fc_function_template lpfc_transport_functions = { 4453 /* fixed attributes the driver supports */ 4454 .show_host_node_name = 1, 4455 .show_host_port_name = 1, 4456 .show_host_supported_classes = 1, 4457 .show_host_supported_fc4s = 1, 4458 .show_host_supported_speeds = 1, 4459 .show_host_maxframe_size = 1, 4460 .show_host_symbolic_name = 1, 4461 4462 /* dynamic attributes the driver supports */ 4463 .get_host_port_id = lpfc_get_host_port_id, 4464 .show_host_port_id = 1, 4465 4466 .get_host_port_type = lpfc_get_host_port_type, 4467 .show_host_port_type = 1, 4468 4469 .get_host_port_state = lpfc_get_host_port_state, 4470 .show_host_port_state = 1, 4471 4472 /* active_fc4s is shown but doesn't change (thus no get function) */ 4473 .show_host_active_fc4s = 1, 4474 4475 .get_host_speed = lpfc_get_host_speed, 4476 .show_host_speed = 1, 4477 4478 .get_host_fabric_name = lpfc_get_host_fabric_name, 4479 .show_host_fabric_name = 1, 4480 4481 /* 4482 * The LPFC driver treats linkdown handling as target loss events 4483 * so there are no sysfs handlers for link_down_tmo. 4484 */ 4485 4486 .get_fc_host_stats = lpfc_get_stats, 4487 .reset_fc_host_stats = lpfc_reset_stats, 4488 4489 .dd_fcrport_size = sizeof(struct lpfc_rport_data), 4490 .show_rport_maxframe_size = 1, 4491 .show_rport_supported_classes = 1, 4492 4493 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, 4494 .show_rport_dev_loss_tmo = 1, 4495 4496 .get_starget_port_id = lpfc_get_starget_port_id, 4497 .show_starget_port_id = 1, 4498 4499 .get_starget_node_name = lpfc_get_starget_node_name, 4500 .show_starget_node_name = 1, 4501 4502 .get_starget_port_name = lpfc_get_starget_port_name, 4503 .show_starget_port_name = 1, 4504 4505 .issue_fc_host_lip = lpfc_issue_lip, 4506 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, 4507 .terminate_rport_io = lpfc_terminate_rport_io, 4508 4509 .dd_fcvport_size = sizeof(struct lpfc_vport *), 4510 4511 .vport_disable = lpfc_vport_disable, 4512 4513 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, 4514 4515 .bsg_request = lpfc_bsg_request, 4516 .bsg_timeout = lpfc_bsg_timeout, 4517 }; 4518 4519 struct fc_function_template lpfc_vport_transport_functions = { 4520 /* fixed attributes the driver supports */ 4521 .show_host_node_name = 1, 4522 .show_host_port_name = 1, 4523 .show_host_supported_classes = 1, 4524 .show_host_supported_fc4s = 1, 4525 .show_host_supported_speeds = 1, 4526 .show_host_maxframe_size = 1, 4527 .show_host_symbolic_name = 1, 4528 4529 /* dynamic attributes the driver supports */ 4530 .get_host_port_id = lpfc_get_host_port_id, 4531 .show_host_port_id = 1, 4532 4533 .get_host_port_type = lpfc_get_host_port_type, 4534 .show_host_port_type = 1, 4535 4536 .get_host_port_state = lpfc_get_host_port_state, 4537 .show_host_port_state = 1, 4538 4539 /* active_fc4s is shown but doesn't change (thus no get function) */ 4540 .show_host_active_fc4s = 1, 4541 4542 .get_host_speed = lpfc_get_host_speed, 4543 .show_host_speed = 1, 4544 4545 .get_host_fabric_name = lpfc_get_host_fabric_name, 4546 .show_host_fabric_name = 1, 4547 4548 /* 4549 * The LPFC driver treats linkdown handling as target loss events 4550 * so there are no sysfs handlers for link_down_tmo. 4551 */ 4552 4553 .get_fc_host_stats = lpfc_get_stats, 4554 .reset_fc_host_stats = lpfc_reset_stats, 4555 4556 .dd_fcrport_size = sizeof(struct lpfc_rport_data), 4557 .show_rport_maxframe_size = 1, 4558 .show_rport_supported_classes = 1, 4559 4560 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, 4561 .show_rport_dev_loss_tmo = 1, 4562 4563 .get_starget_port_id = lpfc_get_starget_port_id, 4564 .show_starget_port_id = 1, 4565 4566 .get_starget_node_name = lpfc_get_starget_node_name, 4567 .show_starget_node_name = 1, 4568 4569 .get_starget_port_name = lpfc_get_starget_port_name, 4570 .show_starget_port_name = 1, 4571 4572 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, 4573 .terminate_rport_io = lpfc_terminate_rport_io, 4574 4575 .vport_disable = lpfc_vport_disable, 4576 4577 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, 4578 }; 4579 4580 /** 4581 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure 4582 * @phba: lpfc_hba pointer. 4583 **/ 4584 void 4585 lpfc_get_cfgparam(struct lpfc_hba *phba) 4586 { 4587 lpfc_cr_delay_init(phba, lpfc_cr_delay); 4588 lpfc_cr_count_init(phba, lpfc_cr_count); 4589 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); 4590 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); 4591 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); 4592 lpfc_ack0_init(phba, lpfc_ack0); 4593 lpfc_topology_init(phba, lpfc_topology); 4594 lpfc_link_speed_init(phba, lpfc_link_speed); 4595 lpfc_poll_tmo_init(phba, lpfc_poll_tmo); 4596 lpfc_enable_npiv_init(phba, lpfc_enable_npiv); 4597 lpfc_use_msi_init(phba, lpfc_use_msi); 4598 lpfc_fcp_imax_init(phba, lpfc_fcp_imax); 4599 lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); 4600 lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); 4601 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); 4602 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); 4603 lpfc_enable_bg_init(phba, lpfc_enable_bg); 4604 if (phba->sli_rev == LPFC_SLI_REV4) 4605 phba->cfg_poll = 0; 4606 else 4607 phba->cfg_poll = lpfc_poll; 4608 phba->cfg_soft_wwnn = 0L; 4609 phba->cfg_soft_wwpn = 0L; 4610 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); 4611 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); 4612 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); 4613 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); 4614 lpfc_aer_support_init(phba, lpfc_aer_support); 4615 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); 4616 lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); 4617 return; 4618 } 4619 4620 /** 4621 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure 4622 * @vport: lpfc_vport pointer. 4623 **/ 4624 void 4625 lpfc_get_vport_cfgparam(struct lpfc_vport *vport) 4626 { 4627 lpfc_log_verbose_init(vport, lpfc_log_verbose); 4628 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); 4629 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); 4630 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); 4631 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); 4632 lpfc_peer_port_login_init(vport, lpfc_peer_port_login); 4633 lpfc_restrict_login_init(vport, lpfc_restrict_login); 4634 lpfc_fcp_class_init(vport, lpfc_fcp_class); 4635 lpfc_use_adisc_init(vport, lpfc_use_adisc); 4636 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); 4637 lpfc_fdmi_on_init(vport, lpfc_fdmi_on); 4638 lpfc_discovery_threads_init(vport, lpfc_discovery_threads); 4639 lpfc_max_luns_init(vport, lpfc_max_luns); 4640 lpfc_scan_down_init(vport, lpfc_scan_down); 4641 lpfc_enable_da_id_init(vport, lpfc_enable_da_id); 4642 return; 4643 } 4644