1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2011 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 /** 56 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules 57 * @incr: integer to convert. 58 * @hdw: ascii string holding converted integer plus a string terminator. 59 * 60 * Description: 61 * JEDEC Joint Electron Device Engineering Council. 62 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii 63 * character string. The string is then terminated with a NULL in byte 9. 64 * Hex 0-9 becomes ascii '0' to '9'. 65 * Hex a-f becomes ascii '=' to 'B' capital B. 66 * 67 * Notes: 68 * Coded for 32 bit integers only. 69 **/ 70 static void 71 lpfc_jedec_to_ascii(int incr, char hdw[]) 72 { 73 int i, j; 74 for (i = 0; i < 8; i++) { 75 j = (incr & 0xf); 76 if (j <= 9) 77 hdw[7 - i] = 0x30 + j; 78 else 79 hdw[7 - i] = 0x61 + j - 10; 80 incr = (incr >> 4); 81 } 82 hdw[8] = 0; 83 return; 84 } 85 86 /** 87 * lpfc_drvr_version_show - Return the Emulex driver string with version number 88 * @dev: class unused variable. 89 * @attr: device attribute, not used. 90 * @buf: on return contains the module description text. 91 * 92 * Returns: size of formatted string. 93 **/ 94 static ssize_t 95 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, 96 char *buf) 97 { 98 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); 99 } 100 101 /** 102 * lpfc_enable_fip_show - Return the fip mode of the HBA 103 * @dev: class unused variable. 104 * @attr: device attribute, not used. 105 * @buf: on return contains the module description text. 106 * 107 * Returns: size of formatted string. 108 **/ 109 static ssize_t 110 lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, 111 char *buf) 112 { 113 struct Scsi_Host *shost = class_to_shost(dev); 114 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 115 struct lpfc_hba *phba = vport->phba; 116 117 if (phba->hba_flag & HBA_FIP_SUPPORT) 118 return snprintf(buf, PAGE_SIZE, "1\n"); 119 else 120 return snprintf(buf, PAGE_SIZE, "0\n"); 121 } 122 123 static ssize_t 124 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, 125 char *buf) 126 { 127 struct Scsi_Host *shost = class_to_shost(dev); 128 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 129 struct lpfc_hba *phba = vport->phba; 130 131 if (phba->cfg_enable_bg) 132 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) 133 return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); 134 else 135 return snprintf(buf, PAGE_SIZE, 136 "BlockGuard Not Supported\n"); 137 else 138 return snprintf(buf, PAGE_SIZE, 139 "BlockGuard Disabled\n"); 140 } 141 142 static ssize_t 143 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, 144 char *buf) 145 { 146 struct Scsi_Host *shost = class_to_shost(dev); 147 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 148 struct lpfc_hba *phba = vport->phba; 149 150 return snprintf(buf, PAGE_SIZE, "%llu\n", 151 (unsigned long long)phba->bg_guard_err_cnt); 152 } 153 154 static ssize_t 155 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, 156 char *buf) 157 { 158 struct Scsi_Host *shost = class_to_shost(dev); 159 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 160 struct lpfc_hba *phba = vport->phba; 161 162 return snprintf(buf, PAGE_SIZE, "%llu\n", 163 (unsigned long long)phba->bg_apptag_err_cnt); 164 } 165 166 static ssize_t 167 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, 168 char *buf) 169 { 170 struct Scsi_Host *shost = class_to_shost(dev); 171 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 172 struct lpfc_hba *phba = vport->phba; 173 174 return snprintf(buf, PAGE_SIZE, "%llu\n", 175 (unsigned long long)phba->bg_reftag_err_cnt); 176 } 177 178 /** 179 * lpfc_info_show - Return some pci info about the host in ascii 180 * @dev: class converted to a Scsi_host structure. 181 * @attr: device attribute, not used. 182 * @buf: on return contains the formatted text from lpfc_info(). 183 * 184 * Returns: size of formatted string. 185 **/ 186 static ssize_t 187 lpfc_info_show(struct device *dev, struct device_attribute *attr, 188 char *buf) 189 { 190 struct Scsi_Host *host = class_to_shost(dev); 191 192 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); 193 } 194 195 /** 196 * lpfc_serialnum_show - Return the hba serial number in ascii 197 * @dev: class converted to a Scsi_host structure. 198 * @attr: device attribute, not used. 199 * @buf: on return contains the formatted text serial number. 200 * 201 * Returns: size of formatted string. 202 **/ 203 static ssize_t 204 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, 205 char *buf) 206 { 207 struct Scsi_Host *shost = class_to_shost(dev); 208 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 209 struct lpfc_hba *phba = vport->phba; 210 211 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); 212 } 213 214 /** 215 * lpfc_temp_sensor_show - Return the temperature sensor level 216 * @dev: class converted to a Scsi_host structure. 217 * @attr: device attribute, not used. 218 * @buf: on return contains the formatted support level. 219 * 220 * Description: 221 * Returns a number indicating the temperature sensor level currently 222 * supported, zero or one in ascii. 223 * 224 * Returns: size of formatted string. 225 **/ 226 static ssize_t 227 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, 228 char *buf) 229 { 230 struct Scsi_Host *shost = class_to_shost(dev); 231 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 232 struct lpfc_hba *phba = vport->phba; 233 return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); 234 } 235 236 /** 237 * lpfc_modeldesc_show - Return the model description of the hba 238 * @dev: class converted to a Scsi_host structure. 239 * @attr: device attribute, not used. 240 * @buf: on return contains the scsi vpd model description. 241 * 242 * Returns: size of formatted string. 243 **/ 244 static ssize_t 245 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, 246 char *buf) 247 { 248 struct Scsi_Host *shost = class_to_shost(dev); 249 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 250 struct lpfc_hba *phba = vport->phba; 251 252 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); 253 } 254 255 /** 256 * lpfc_modelname_show - Return the model name of the hba 257 * @dev: class converted to a Scsi_host structure. 258 * @attr: device attribute, not used. 259 * @buf: on return contains the scsi vpd model name. 260 * 261 * Returns: size of formatted string. 262 **/ 263 static ssize_t 264 lpfc_modelname_show(struct device *dev, struct device_attribute *attr, 265 char *buf) 266 { 267 struct Scsi_Host *shost = class_to_shost(dev); 268 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 269 struct lpfc_hba *phba = vport->phba; 270 271 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); 272 } 273 274 /** 275 * lpfc_programtype_show - Return the program type of the hba 276 * @dev: class converted to a Scsi_host structure. 277 * @attr: device attribute, not used. 278 * @buf: on return contains the scsi vpd program type. 279 * 280 * Returns: size of formatted string. 281 **/ 282 static ssize_t 283 lpfc_programtype_show(struct device *dev, struct device_attribute *attr, 284 char *buf) 285 { 286 struct Scsi_Host *shost = class_to_shost(dev); 287 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 288 struct lpfc_hba *phba = vport->phba; 289 290 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); 291 } 292 293 /** 294 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag 295 * @dev: class converted to a Scsi_host structure. 296 * @attr: device attribute, not used. 297 * @buf: on return contains the Menlo Maintenance sli flag. 298 * 299 * Returns: size of formatted string. 300 **/ 301 static ssize_t 302 lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) 303 { 304 struct Scsi_Host *shost = class_to_shost(dev); 305 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; 306 struct lpfc_hba *phba = vport->phba; 307 308 return snprintf(buf, PAGE_SIZE, "%d\n", 309 (phba->sli.sli_flag & LPFC_MENLO_MAINT)); 310 } 311 312 /** 313 * lpfc_vportnum_show - Return the port number in ascii of the hba 314 * @dev: class converted to a Scsi_host structure. 315 * @attr: device attribute, not used. 316 * @buf: on return contains scsi vpd program type. 317 * 318 * Returns: size of formatted string. 319 **/ 320 static ssize_t 321 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, 322 char *buf) 323 { 324 struct Scsi_Host *shost = class_to_shost(dev); 325 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 326 struct lpfc_hba *phba = vport->phba; 327 328 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); 329 } 330 331 /** 332 * lpfc_fwrev_show - Return the firmware rev running in the hba 333 * @dev: class converted to a Scsi_host structure. 334 * @attr: device attribute, not used. 335 * @buf: on return contains the scsi vpd program type. 336 * 337 * Returns: size of formatted string. 338 **/ 339 static ssize_t 340 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, 341 char *buf) 342 { 343 struct Scsi_Host *shost = class_to_shost(dev); 344 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 345 struct lpfc_hba *phba = vport->phba; 346 char fwrev[32]; 347 348 lpfc_decode_firmware_rev(phba, fwrev, 1); 349 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); 350 } 351 352 /** 353 * lpfc_hdw_show - Return the jedec information about the hba 354 * @dev: class converted to a Scsi_host structure. 355 * @attr: device attribute, not used. 356 * @buf: on return contains the scsi vpd program type. 357 * 358 * Returns: size of formatted string. 359 **/ 360 static ssize_t 361 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) 362 { 363 char hdw[9]; 364 struct Scsi_Host *shost = class_to_shost(dev); 365 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 366 struct lpfc_hba *phba = vport->phba; 367 lpfc_vpd_t *vp = &phba->vpd; 368 369 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); 370 return snprintf(buf, PAGE_SIZE, "%s\n", hdw); 371 } 372 373 /** 374 * lpfc_option_rom_version_show - Return the adapter ROM FCode version 375 * @dev: class converted to a Scsi_host structure. 376 * @attr: device attribute, not used. 377 * @buf: on return contains the ROM and FCode ascii strings. 378 * 379 * Returns: size of formatted string. 380 **/ 381 static ssize_t 382 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, 383 char *buf) 384 { 385 struct Scsi_Host *shost = class_to_shost(dev); 386 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 387 struct lpfc_hba *phba = vport->phba; 388 389 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); 390 } 391 392 /** 393 * lpfc_state_show - Return the link state of the port 394 * @dev: class converted to a Scsi_host structure. 395 * @attr: device attribute, not used. 396 * @buf: on return contains text describing the state of the link. 397 * 398 * Notes: 399 * The switch statement has no default so zero will be returned. 400 * 401 * Returns: size of formatted string. 402 **/ 403 static ssize_t 404 lpfc_link_state_show(struct device *dev, struct device_attribute *attr, 405 char *buf) 406 { 407 struct Scsi_Host *shost = class_to_shost(dev); 408 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 409 struct lpfc_hba *phba = vport->phba; 410 int len = 0; 411 412 switch (phba->link_state) { 413 case LPFC_LINK_UNKNOWN: 414 case LPFC_WARM_START: 415 case LPFC_INIT_START: 416 case LPFC_INIT_MBX_CMDS: 417 case LPFC_LINK_DOWN: 418 case LPFC_HBA_ERROR: 419 if (phba->hba_flag & LINK_DISABLED) 420 len += snprintf(buf + len, PAGE_SIZE-len, 421 "Link Down - User disabled\n"); 422 else 423 len += snprintf(buf + len, PAGE_SIZE-len, 424 "Link Down\n"); 425 break; 426 case LPFC_LINK_UP: 427 case LPFC_CLEAR_LA: 428 case LPFC_HBA_READY: 429 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); 430 431 switch (vport->port_state) { 432 case LPFC_LOCAL_CFG_LINK: 433 len += snprintf(buf + len, PAGE_SIZE-len, 434 "Configuring Link\n"); 435 break; 436 case LPFC_FDISC: 437 case LPFC_FLOGI: 438 case LPFC_FABRIC_CFG_LINK: 439 case LPFC_NS_REG: 440 case LPFC_NS_QRY: 441 case LPFC_BUILD_DISC_LIST: 442 case LPFC_DISC_AUTH: 443 len += snprintf(buf + len, PAGE_SIZE - len, 444 "Discovery\n"); 445 break; 446 case LPFC_VPORT_READY: 447 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); 448 break; 449 450 case LPFC_VPORT_FAILED: 451 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); 452 break; 453 454 case LPFC_VPORT_UNKNOWN: 455 len += snprintf(buf + len, PAGE_SIZE - len, 456 "Unknown\n"); 457 break; 458 } 459 if (phba->sli.sli_flag & LPFC_MENLO_MAINT) 460 len += snprintf(buf + len, PAGE_SIZE-len, 461 " Menlo Maint Mode\n"); 462 else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { 463 if (vport->fc_flag & FC_PUBLIC_LOOP) 464 len += snprintf(buf + len, PAGE_SIZE-len, 465 " Public Loop\n"); 466 else 467 len += snprintf(buf + len, PAGE_SIZE-len, 468 " Private Loop\n"); 469 } else { 470 if (vport->fc_flag & FC_FABRIC) 471 len += snprintf(buf + len, PAGE_SIZE-len, 472 " Fabric\n"); 473 else 474 len += snprintf(buf + len, PAGE_SIZE-len, 475 " Point-2-Point\n"); 476 } 477 } 478 479 return len; 480 } 481 482 /** 483 * lpfc_link_state_store - Transition the link_state on an HBA port 484 * @dev: class device that is converted into a Scsi_host. 485 * @attr: device attribute, not used. 486 * @buf: one or more lpfc_polling_flags values. 487 * @count: not used. 488 * 489 * Returns: 490 * -EINVAL if the buffer is not "up" or "down" 491 * return from link state change function if non-zero 492 * length of the buf on success 493 **/ 494 static ssize_t 495 lpfc_link_state_store(struct device *dev, struct device_attribute *attr, 496 const char *buf, size_t count) 497 { 498 struct Scsi_Host *shost = class_to_shost(dev); 499 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 500 struct lpfc_hba *phba = vport->phba; 501 502 int status = -EINVAL; 503 504 if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && 505 (phba->link_state == LPFC_LINK_DOWN)) 506 status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); 507 else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && 508 (phba->link_state >= LPFC_LINK_UP)) 509 status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); 510 511 if (status == 0) 512 return strlen(buf); 513 else 514 return status; 515 } 516 517 /** 518 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports 519 * @dev: class device that is converted into a Scsi_host. 520 * @attr: device attribute, not used. 521 * @buf: on return contains the sum of fc mapped and unmapped. 522 * 523 * Description: 524 * Returns the ascii text number of the sum of the fc mapped and unmapped 525 * vport counts. 526 * 527 * Returns: size of formatted string. 528 **/ 529 static ssize_t 530 lpfc_num_discovered_ports_show(struct device *dev, 531 struct device_attribute *attr, char *buf) 532 { 533 struct Scsi_Host *shost = class_to_shost(dev); 534 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 535 536 return snprintf(buf, PAGE_SIZE, "%d\n", 537 vport->fc_map_cnt + vport->fc_unmap_cnt); 538 } 539 540 /** 541 * lpfc_issue_lip - Misnomer, name carried over from long ago 542 * @shost: Scsi_Host pointer. 543 * 544 * Description: 545 * Bring the link down gracefully then re-init the link. The firmware will 546 * re-init the fiber channel interface as required. Does not issue a LIP. 547 * 548 * Returns: 549 * -EPERM port offline or management commands are being blocked 550 * -ENOMEM cannot allocate memory for the mailbox command 551 * -EIO error sending the mailbox command 552 * zero for success 553 **/ 554 static int 555 lpfc_issue_lip(struct Scsi_Host *shost) 556 { 557 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 558 struct lpfc_hba *phba = vport->phba; 559 LPFC_MBOXQ_t *pmboxq; 560 int mbxstatus = MBXERR_ERROR; 561 562 if ((vport->fc_flag & FC_OFFLINE_MODE) || 563 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) 564 return -EPERM; 565 566 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 567 568 if (!pmboxq) 569 return -ENOMEM; 570 571 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 572 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; 573 pmboxq->u.mb.mbxOwner = OWN_HOST; 574 575 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); 576 577 if ((mbxstatus == MBX_SUCCESS) && 578 (pmboxq->u.mb.mbxStatus == 0 || 579 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { 580 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 581 lpfc_init_link(phba, pmboxq, phba->cfg_topology, 582 phba->cfg_link_speed); 583 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, 584 phba->fc_ratov * 2); 585 if ((mbxstatus == MBX_SUCCESS) && 586 (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) 587 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, 588 "2859 SLI authentication is required " 589 "for INIT_LINK but has not done yet\n"); 590 } 591 592 lpfc_set_loopback_flag(phba); 593 if (mbxstatus != MBX_TIMEOUT) 594 mempool_free(pmboxq, phba->mbox_mem_pool); 595 596 if (mbxstatus == MBXERR_ERROR) 597 return -EIO; 598 599 return 0; 600 } 601 602 /** 603 * lpfc_do_offline - Issues a mailbox command to bring the link down 604 * @phba: lpfc_hba pointer. 605 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. 606 * 607 * Notes: 608 * Assumes any error from lpfc_do_offline() will be negative. 609 * Can wait up to 5 seconds for the port ring buffers count 610 * to reach zero, prints a warning if it is not zero and continues. 611 * lpfc_workq_post_event() returns a non-zero return code if call fails. 612 * 613 * Returns: 614 * -EIO error posting the event 615 * zero for success 616 **/ 617 static int 618 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) 619 { 620 struct completion online_compl; 621 struct lpfc_sli_ring *pring; 622 struct lpfc_sli *psli; 623 int status = 0; 624 int cnt = 0; 625 int i; 626 int rc; 627 628 init_completion(&online_compl); 629 rc = lpfc_workq_post_event(phba, &status, &online_compl, 630 LPFC_EVT_OFFLINE_PREP); 631 if (rc == 0) 632 return -ENOMEM; 633 634 wait_for_completion(&online_compl); 635 636 if (status != 0) 637 return -EIO; 638 639 psli = &phba->sli; 640 641 /* Wait a little for things to settle down, but not 642 * long enough for dev loss timeout to expire. 643 */ 644 for (i = 0; i < psli->num_rings; i++) { 645 pring = &psli->ring[i]; 646 while (pring->txcmplq_cnt) { 647 msleep(10); 648 if (cnt++ > 500) { /* 5 secs */ 649 lpfc_printf_log(phba, 650 KERN_WARNING, LOG_INIT, 651 "0466 Outstanding IO when " 652 "bringing Adapter offline\n"); 653 break; 654 } 655 } 656 } 657 658 init_completion(&online_compl); 659 rc = lpfc_workq_post_event(phba, &status, &online_compl, type); 660 if (rc == 0) 661 return -ENOMEM; 662 663 wait_for_completion(&online_compl); 664 665 if (status != 0) 666 return -EIO; 667 668 return 0; 669 } 670 671 /** 672 * lpfc_selective_reset - Offline then onlines the port 673 * @phba: lpfc_hba pointer. 674 * 675 * Description: 676 * If the port is configured to allow a reset then the hba is brought 677 * offline then online. 678 * 679 * Notes: 680 * Assumes any error from lpfc_do_offline() will be negative. 681 * Do not make this function static. 682 * 683 * Returns: 684 * lpfc_do_offline() return code if not zero 685 * -EIO reset not configured or error posting the event 686 * zero for success 687 **/ 688 static int 689 lpfc_selective_reset(struct lpfc_hba *phba) 690 { 691 struct completion online_compl; 692 int status = 0; 693 int rc; 694 695 if (!phba->cfg_enable_hba_reset) 696 return -EIO; 697 698 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 699 700 if (status != 0) 701 return status; 702 703 init_completion(&online_compl); 704 rc = lpfc_workq_post_event(phba, &status, &online_compl, 705 LPFC_EVT_ONLINE); 706 if (rc == 0) 707 return -ENOMEM; 708 709 wait_for_completion(&online_compl); 710 711 if (status != 0) 712 return -EIO; 713 714 return 0; 715 } 716 717 /** 718 * lpfc_issue_reset - Selectively resets an adapter 719 * @dev: class device that is converted into a Scsi_host. 720 * @attr: device attribute, not used. 721 * @buf: containing the string "selective". 722 * @count: unused variable. 723 * 724 * Description: 725 * If the buf contains the string "selective" then lpfc_selective_reset() 726 * is called to perform the reset. 727 * 728 * Notes: 729 * Assumes any error from lpfc_selective_reset() will be negative. 730 * If lpfc_selective_reset() returns zero then the length of the buffer 731 * is returned which indicates success 732 * 733 * Returns: 734 * -EINVAL if the buffer does not contain the string "selective" 735 * length of buf if lpfc-selective_reset() if the call succeeds 736 * return value of lpfc_selective_reset() if the call fails 737 **/ 738 static ssize_t 739 lpfc_issue_reset(struct device *dev, struct device_attribute *attr, 740 const char *buf, size_t count) 741 { 742 struct Scsi_Host *shost = class_to_shost(dev); 743 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 744 struct lpfc_hba *phba = vport->phba; 745 746 int status = -EINVAL; 747 748 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) 749 status = lpfc_selective_reset(phba); 750 751 if (status == 0) 752 return strlen(buf); 753 else 754 return status; 755 } 756 757 /** 758 * lpfc_nport_evt_cnt_show - Return the number of nport events 759 * @dev: class device that is converted into a Scsi_host. 760 * @attr: device attribute, not used. 761 * @buf: on return contains the ascii number of nport events. 762 * 763 * Returns: size of formatted string. 764 **/ 765 static ssize_t 766 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, 767 char *buf) 768 { 769 struct Scsi_Host *shost = class_to_shost(dev); 770 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 771 struct lpfc_hba *phba = vport->phba; 772 773 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); 774 } 775 776 /** 777 * lpfc_board_mode_show - Return the state of the board 778 * @dev: class device that is converted into a Scsi_host. 779 * @attr: device attribute, not used. 780 * @buf: on return contains the state of the adapter. 781 * 782 * Returns: size of formatted string. 783 **/ 784 static ssize_t 785 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, 786 char *buf) 787 { 788 struct Scsi_Host *shost = class_to_shost(dev); 789 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 790 struct lpfc_hba *phba = vport->phba; 791 char * state; 792 793 if (phba->link_state == LPFC_HBA_ERROR) 794 state = "error"; 795 else if (phba->link_state == LPFC_WARM_START) 796 state = "warm start"; 797 else if (phba->link_state == LPFC_INIT_START) 798 state = "offline"; 799 else 800 state = "online"; 801 802 return snprintf(buf, PAGE_SIZE, "%s\n", state); 803 } 804 805 /** 806 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state 807 * @dev: class device that is converted into a Scsi_host. 808 * @attr: device attribute, not used. 809 * @buf: containing one of the strings "online", "offline", "warm" or "error". 810 * @count: unused variable. 811 * 812 * Returns: 813 * -EACCES if enable hba reset not enabled 814 * -EINVAL if the buffer does not contain a valid string (see above) 815 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails 816 * buf length greater than zero indicates success 817 **/ 818 static ssize_t 819 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, 820 const char *buf, size_t count) 821 { 822 struct Scsi_Host *shost = class_to_shost(dev); 823 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 824 struct lpfc_hba *phba = vport->phba; 825 struct completion online_compl; 826 int status=0; 827 int rc; 828 829 if (!phba->cfg_enable_hba_reset) 830 return -EACCES; 831 init_completion(&online_compl); 832 833 if(strncmp(buf, "online", sizeof("online") - 1) == 0) { 834 rc = lpfc_workq_post_event(phba, &status, &online_compl, 835 LPFC_EVT_ONLINE); 836 if (rc == 0) 837 return -ENOMEM; 838 wait_for_completion(&online_compl); 839 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) 840 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 841 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) 842 if (phba->sli_rev == LPFC_SLI_REV4) 843 return -EINVAL; 844 else 845 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); 846 else if (strncmp(buf, "error", sizeof("error") - 1) == 0) 847 if (phba->sli_rev == LPFC_SLI_REV4) 848 return -EINVAL; 849 else 850 status = lpfc_do_offline(phba, LPFC_EVT_KILL); 851 else 852 return -EINVAL; 853 854 if (!status) 855 return strlen(buf); 856 else 857 return -EIO; 858 } 859 860 /** 861 * lpfc_get_hba_info - Return various bits of informaton about the adapter 862 * @phba: pointer to the adapter structure. 863 * @mxri: max xri count. 864 * @axri: available xri count. 865 * @mrpi: max rpi count. 866 * @arpi: available rpi count. 867 * @mvpi: max vpi count. 868 * @avpi: available vpi count. 869 * 870 * Description: 871 * If an integer pointer for an count is not null then the value for the 872 * count is returned. 873 * 874 * Returns: 875 * zero on error 876 * one for success 877 **/ 878 static int 879 lpfc_get_hba_info(struct lpfc_hba *phba, 880 uint32_t *mxri, uint32_t *axri, 881 uint32_t *mrpi, uint32_t *arpi, 882 uint32_t *mvpi, uint32_t *avpi) 883 { 884 struct lpfc_mbx_read_config *rd_config; 885 LPFC_MBOXQ_t *pmboxq; 886 MAILBOX_t *pmb; 887 int rc = 0; 888 uint32_t max_vpi; 889 890 /* 891 * prevent udev from issuing mailbox commands until the port is 892 * configured. 893 */ 894 if (phba->link_state < LPFC_LINK_DOWN || 895 !phba->mbox_mem_pool || 896 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) 897 return 0; 898 899 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 900 return 0; 901 902 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 903 if (!pmboxq) 904 return 0; 905 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 906 907 pmb = &pmboxq->u.mb; 908 pmb->mbxCommand = MBX_READ_CONFIG; 909 pmb->mbxOwner = OWN_HOST; 910 pmboxq->context1 = NULL; 911 912 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 913 rc = MBX_NOT_FINISHED; 914 else 915 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 916 917 if (rc != MBX_SUCCESS) { 918 if (rc != MBX_TIMEOUT) 919 mempool_free(pmboxq, phba->mbox_mem_pool); 920 return 0; 921 } 922 923 if (phba->sli_rev == LPFC_SLI_REV4) { 924 rd_config = &pmboxq->u.mqe.un.rd_config; 925 if (mrpi) 926 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); 927 if (arpi) 928 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - 929 phba->sli4_hba.max_cfg_param.rpi_used; 930 if (mxri) 931 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); 932 if (axri) 933 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - 934 phba->sli4_hba.max_cfg_param.xri_used; 935 936 /* Account for differences with SLI-3. Get vpi count from 937 * mailbox data and subtract one for max vpi value. 938 */ 939 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? 940 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; 941 942 if (mvpi) 943 *mvpi = max_vpi; 944 if (avpi) 945 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; 946 } else { 947 if (mrpi) 948 *mrpi = pmb->un.varRdConfig.max_rpi; 949 if (arpi) 950 *arpi = pmb->un.varRdConfig.avail_rpi; 951 if (mxri) 952 *mxri = pmb->un.varRdConfig.max_xri; 953 if (axri) 954 *axri = pmb->un.varRdConfig.avail_xri; 955 if (mvpi) 956 *mvpi = pmb->un.varRdConfig.max_vpi; 957 if (avpi) 958 *avpi = pmb->un.varRdConfig.avail_vpi; 959 } 960 961 mempool_free(pmboxq, phba->mbox_mem_pool); 962 return 1; 963 } 964 965 /** 966 * lpfc_max_rpi_show - Return maximum rpi 967 * @dev: class device that is converted into a Scsi_host. 968 * @attr: device attribute, not used. 969 * @buf: on return contains the maximum rpi count in decimal or "Unknown". 970 * 971 * Description: 972 * Calls lpfc_get_hba_info() asking for just the mrpi count. 973 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 974 * to "Unknown" and the buffer length is returned, therefore the caller 975 * must check for "Unknown" in the buffer to detect a failure. 976 * 977 * Returns: size of formatted string. 978 **/ 979 static ssize_t 980 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, 981 char *buf) 982 { 983 struct Scsi_Host *shost = class_to_shost(dev); 984 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 985 struct lpfc_hba *phba = vport->phba; 986 uint32_t cnt; 987 988 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) 989 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 990 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 991 } 992 993 /** 994 * lpfc_used_rpi_show - Return maximum rpi minus available rpi 995 * @dev: class device that is converted into a Scsi_host. 996 * @attr: device attribute, not used. 997 * @buf: containing the used rpi count in decimal or "Unknown". 998 * 999 * Description: 1000 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. 1001 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1002 * to "Unknown" and the buffer length is returned, therefore the caller 1003 * must check for "Unknown" in the buffer to detect a failure. 1004 * 1005 * Returns: size of formatted string. 1006 **/ 1007 static ssize_t 1008 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, 1009 char *buf) 1010 { 1011 struct Scsi_Host *shost = class_to_shost(dev); 1012 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1013 struct lpfc_hba *phba = vport->phba; 1014 uint32_t cnt, acnt; 1015 1016 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) 1017 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1018 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1019 } 1020 1021 /** 1022 * lpfc_max_xri_show - Return maximum xri 1023 * @dev: class device that is converted into a Scsi_host. 1024 * @attr: device attribute, not used. 1025 * @buf: on return contains the maximum xri count in decimal or "Unknown". 1026 * 1027 * Description: 1028 * Calls lpfc_get_hba_info() asking for just the mrpi count. 1029 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1030 * to "Unknown" and the buffer length is returned, therefore the caller 1031 * must check for "Unknown" in the buffer to detect a failure. 1032 * 1033 * Returns: size of formatted string. 1034 **/ 1035 static ssize_t 1036 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, 1037 char *buf) 1038 { 1039 struct Scsi_Host *shost = class_to_shost(dev); 1040 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1041 struct lpfc_hba *phba = vport->phba; 1042 uint32_t cnt; 1043 1044 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) 1045 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 1046 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1047 } 1048 1049 /** 1050 * lpfc_used_xri_show - Return maximum xpi minus the available xpi 1051 * @dev: class device that is converted into a Scsi_host. 1052 * @attr: device attribute, not used. 1053 * @buf: on return contains the used xri count in decimal or "Unknown". 1054 * 1055 * Description: 1056 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. 1057 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1058 * to "Unknown" and the buffer length is returned, therefore the caller 1059 * must check for "Unknown" in the buffer to detect a failure. 1060 * 1061 * Returns: size of formatted string. 1062 **/ 1063 static ssize_t 1064 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, 1065 char *buf) 1066 { 1067 struct Scsi_Host *shost = class_to_shost(dev); 1068 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1069 struct lpfc_hba *phba = vport->phba; 1070 uint32_t cnt, acnt; 1071 1072 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) 1073 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1074 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1075 } 1076 1077 /** 1078 * lpfc_max_vpi_show - Return maximum vpi 1079 * @dev: class device that is converted into a Scsi_host. 1080 * @attr: device attribute, not used. 1081 * @buf: on return contains the maximum vpi count in decimal or "Unknown". 1082 * 1083 * Description: 1084 * Calls lpfc_get_hba_info() asking for just the mvpi count. 1085 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1086 * to "Unknown" and the buffer length is returned, therefore the caller 1087 * must check for "Unknown" in the buffer to detect a failure. 1088 * 1089 * Returns: size of formatted string. 1090 **/ 1091 static ssize_t 1092 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, 1093 char *buf) 1094 { 1095 struct Scsi_Host *shost = class_to_shost(dev); 1096 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1097 struct lpfc_hba *phba = vport->phba; 1098 uint32_t cnt; 1099 1100 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) 1101 return snprintf(buf, PAGE_SIZE, "%d\n", cnt); 1102 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1103 } 1104 1105 /** 1106 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi 1107 * @dev: class device that is converted into a Scsi_host. 1108 * @attr: device attribute, not used. 1109 * @buf: on return contains the used vpi count in decimal or "Unknown". 1110 * 1111 * Description: 1112 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. 1113 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set 1114 * to "Unknown" and the buffer length is returned, therefore the caller 1115 * must check for "Unknown" in the buffer to detect a failure. 1116 * 1117 * Returns: size of formatted string. 1118 **/ 1119 static ssize_t 1120 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, 1121 char *buf) 1122 { 1123 struct Scsi_Host *shost = class_to_shost(dev); 1124 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1125 struct lpfc_hba *phba = vport->phba; 1126 uint32_t cnt, acnt; 1127 1128 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) 1129 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); 1130 return snprintf(buf, PAGE_SIZE, "Unknown\n"); 1131 } 1132 1133 /** 1134 * lpfc_npiv_info_show - Return text about NPIV support for the adapter 1135 * @dev: class device that is converted into a Scsi_host. 1136 * @attr: device attribute, not used. 1137 * @buf: text that must be interpreted to determine if npiv is supported. 1138 * 1139 * Description: 1140 * Buffer will contain text indicating npiv is not suppoerted on the port, 1141 * the port is an NPIV physical port, or it is an npiv virtual port with 1142 * the id of the vport. 1143 * 1144 * Returns: size of formatted string. 1145 **/ 1146 static ssize_t 1147 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, 1148 char *buf) 1149 { 1150 struct Scsi_Host *shost = class_to_shost(dev); 1151 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1152 struct lpfc_hba *phba = vport->phba; 1153 1154 if (!(phba->max_vpi)) 1155 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); 1156 if (vport->port_type == LPFC_PHYSICAL_PORT) 1157 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); 1158 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); 1159 } 1160 1161 /** 1162 * lpfc_poll_show - Return text about poll support for the adapter 1163 * @dev: class device that is converted into a Scsi_host. 1164 * @attr: device attribute, not used. 1165 * @buf: on return contains the cfg_poll in hex. 1166 * 1167 * Notes: 1168 * cfg_poll should be a lpfc_polling_flags type. 1169 * 1170 * Returns: size of formatted string. 1171 **/ 1172 static ssize_t 1173 lpfc_poll_show(struct device *dev, struct device_attribute *attr, 1174 char *buf) 1175 { 1176 struct Scsi_Host *shost = class_to_shost(dev); 1177 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1178 struct lpfc_hba *phba = vport->phba; 1179 1180 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); 1181 } 1182 1183 /** 1184 * lpfc_poll_store - Set the value of cfg_poll for the adapter 1185 * @dev: class device that is converted into a Scsi_host. 1186 * @attr: device attribute, not used. 1187 * @buf: one or more lpfc_polling_flags values. 1188 * @count: not used. 1189 * 1190 * Notes: 1191 * buf contents converted to integer and checked for a valid value. 1192 * 1193 * Returns: 1194 * -EINVAL if the buffer connot be converted or is out of range 1195 * length of the buf on success 1196 **/ 1197 static ssize_t 1198 lpfc_poll_store(struct device *dev, struct device_attribute *attr, 1199 const char *buf, size_t count) 1200 { 1201 struct Scsi_Host *shost = class_to_shost(dev); 1202 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1203 struct lpfc_hba *phba = vport->phba; 1204 uint32_t creg_val; 1205 uint32_t old_val; 1206 int val=0; 1207 1208 if (!isdigit(buf[0])) 1209 return -EINVAL; 1210 1211 if (sscanf(buf, "%i", &val) != 1) 1212 return -EINVAL; 1213 1214 if ((val & 0x3) != val) 1215 return -EINVAL; 1216 1217 if (phba->sli_rev == LPFC_SLI_REV4) 1218 val = 0; 1219 1220 spin_lock_irq(&phba->hbalock); 1221 1222 old_val = phba->cfg_poll; 1223 1224 if (val & ENABLE_FCP_RING_POLLING) { 1225 if ((val & DISABLE_FCP_RING_INT) && 1226 !(old_val & DISABLE_FCP_RING_INT)) { 1227 creg_val = readl(phba->HCregaddr); 1228 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); 1229 writel(creg_val, phba->HCregaddr); 1230 readl(phba->HCregaddr); /* flush */ 1231 1232 lpfc_poll_start_timer(phba); 1233 } 1234 } else if (val != 0x0) { 1235 spin_unlock_irq(&phba->hbalock); 1236 return -EINVAL; 1237 } 1238 1239 if (!(val & DISABLE_FCP_RING_INT) && 1240 (old_val & DISABLE_FCP_RING_INT)) 1241 { 1242 spin_unlock_irq(&phba->hbalock); 1243 del_timer(&phba->fcp_poll_timer); 1244 spin_lock_irq(&phba->hbalock); 1245 creg_val = readl(phba->HCregaddr); 1246 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); 1247 writel(creg_val, phba->HCregaddr); 1248 readl(phba->HCregaddr); /* flush */ 1249 } 1250 1251 phba->cfg_poll = val; 1252 1253 spin_unlock_irq(&phba->hbalock); 1254 1255 return strlen(buf); 1256 } 1257 1258 /** 1259 * lpfc_fips_level_show - Return the current FIPS level for the HBA 1260 * @dev: class unused variable. 1261 * @attr: device attribute, not used. 1262 * @buf: on return contains the module description text. 1263 * 1264 * Returns: size of formatted string. 1265 **/ 1266 static ssize_t 1267 lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, 1268 char *buf) 1269 { 1270 struct Scsi_Host *shost = class_to_shost(dev); 1271 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1272 struct lpfc_hba *phba = vport->phba; 1273 1274 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); 1275 } 1276 1277 /** 1278 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA 1279 * @dev: class unused variable. 1280 * @attr: device attribute, not used. 1281 * @buf: on return contains the module description text. 1282 * 1283 * Returns: size of formatted string. 1284 **/ 1285 static ssize_t 1286 lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, 1287 char *buf) 1288 { 1289 struct Scsi_Host *shost = class_to_shost(dev); 1290 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1291 struct lpfc_hba *phba = vport->phba; 1292 1293 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); 1294 } 1295 1296 /** 1297 * lpfc_dss_show - Return the current state of dss and the configured state 1298 * @dev: class converted to a Scsi_host structure. 1299 * @attr: device attribute, not used. 1300 * @buf: on return contains the formatted text. 1301 * 1302 * Returns: size of formatted string. 1303 **/ 1304 static ssize_t 1305 lpfc_dss_show(struct device *dev, struct device_attribute *attr, 1306 char *buf) 1307 { 1308 struct Scsi_Host *shost = class_to_shost(dev); 1309 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1310 struct lpfc_hba *phba = vport->phba; 1311 1312 return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", 1313 (phba->cfg_enable_dss) ? "Enabled" : "Disabled", 1314 (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? 1315 "" : "Not "); 1316 } 1317 1318 /** 1319 * lpfc_param_show - Return a cfg attribute value in decimal 1320 * 1321 * Description: 1322 * Macro that given an attr e.g. hba_queue_depth expands 1323 * into a function with the name lpfc_hba_queue_depth_show. 1324 * 1325 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. 1326 * @dev: class device that is converted into a Scsi_host. 1327 * @attr: device attribute, not used. 1328 * @buf: on return contains the attribute value in decimal. 1329 * 1330 * Returns: size of formatted string. 1331 **/ 1332 #define lpfc_param_show(attr) \ 1333 static ssize_t \ 1334 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1335 char *buf) \ 1336 { \ 1337 struct Scsi_Host *shost = class_to_shost(dev);\ 1338 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1339 struct lpfc_hba *phba = vport->phba;\ 1340 uint val = 0;\ 1341 val = phba->cfg_##attr;\ 1342 return snprintf(buf, PAGE_SIZE, "%d\n",\ 1343 phba->cfg_##attr);\ 1344 } 1345 1346 /** 1347 * lpfc_param_hex_show - Return a cfg attribute value in hex 1348 * 1349 * Description: 1350 * Macro that given an attr e.g. hba_queue_depth expands 1351 * into a function with the name lpfc_hba_queue_depth_show 1352 * 1353 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. 1354 * @dev: class device that is converted into a Scsi_host. 1355 * @attr: device attribute, not used. 1356 * @buf: on return contains the attribute value in hexadecimal. 1357 * 1358 * Returns: size of formatted string. 1359 **/ 1360 #define lpfc_param_hex_show(attr) \ 1361 static ssize_t \ 1362 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1363 char *buf) \ 1364 { \ 1365 struct Scsi_Host *shost = class_to_shost(dev);\ 1366 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1367 struct lpfc_hba *phba = vport->phba;\ 1368 uint val = 0;\ 1369 val = phba->cfg_##attr;\ 1370 return snprintf(buf, PAGE_SIZE, "%#x\n",\ 1371 phba->cfg_##attr);\ 1372 } 1373 1374 /** 1375 * lpfc_param_init - Initializes a cfg attribute 1376 * 1377 * Description: 1378 * Macro that given an attr e.g. hba_queue_depth expands 1379 * into a function with the name lpfc_hba_queue_depth_init. The macro also 1380 * takes a default argument, a minimum and maximum argument. 1381 * 1382 * lpfc_##attr##_init: Initializes an attribute. 1383 * @phba: pointer the the adapter structure. 1384 * @val: integer attribute value. 1385 * 1386 * Validates the min and max values then sets the adapter config field 1387 * accordingly, or uses the default if out of range and prints an error message. 1388 * 1389 * Returns: 1390 * zero on success 1391 * -EINVAL if default used 1392 **/ 1393 #define lpfc_param_init(attr, default, minval, maxval) \ 1394 static int \ 1395 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ 1396 { \ 1397 if (val >= minval && val <= maxval) {\ 1398 phba->cfg_##attr = val;\ 1399 return 0;\ 1400 }\ 1401 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ 1402 "0449 lpfc_"#attr" attribute cannot be set to %d, "\ 1403 "allowed range is ["#minval", "#maxval"]\n", val); \ 1404 phba->cfg_##attr = default;\ 1405 return -EINVAL;\ 1406 } 1407 1408 /** 1409 * lpfc_param_set - Set a cfg attribute value 1410 * 1411 * Description: 1412 * Macro that given an attr e.g. hba_queue_depth expands 1413 * into a function with the name lpfc_hba_queue_depth_set 1414 * 1415 * lpfc_##attr##_set: Sets an attribute value. 1416 * @phba: pointer the the adapter structure. 1417 * @val: integer attribute value. 1418 * 1419 * Description: 1420 * Validates the min and max values then sets the 1421 * adapter config field if in the valid range. prints error message 1422 * and does not set the parameter if invalid. 1423 * 1424 * Returns: 1425 * zero on success 1426 * -EINVAL if val is invalid 1427 **/ 1428 #define lpfc_param_set(attr, default, minval, maxval) \ 1429 static int \ 1430 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ 1431 { \ 1432 if (val >= minval && val <= maxval) {\ 1433 phba->cfg_##attr = val;\ 1434 return 0;\ 1435 }\ 1436 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ 1437 "0450 lpfc_"#attr" attribute cannot be set to %d, "\ 1438 "allowed range is ["#minval", "#maxval"]\n", val); \ 1439 return -EINVAL;\ 1440 } 1441 1442 /** 1443 * lpfc_param_store - Set a vport attribute value 1444 * 1445 * Description: 1446 * Macro that given an attr e.g. hba_queue_depth expands 1447 * into a function with the name lpfc_hba_queue_depth_store. 1448 * 1449 * lpfc_##attr##_store: Set an sttribute value. 1450 * @dev: class device that is converted into a Scsi_host. 1451 * @attr: device attribute, not used. 1452 * @buf: contains the attribute value in ascii. 1453 * @count: not used. 1454 * 1455 * Description: 1456 * Convert the ascii text number to an integer, then 1457 * use the lpfc_##attr##_set function to set the value. 1458 * 1459 * Returns: 1460 * -EINVAL if val is invalid or lpfc_##attr##_set() fails 1461 * length of buffer upon success. 1462 **/ 1463 #define lpfc_param_store(attr) \ 1464 static ssize_t \ 1465 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ 1466 const char *buf, size_t count) \ 1467 { \ 1468 struct Scsi_Host *shost = class_to_shost(dev);\ 1469 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1470 struct lpfc_hba *phba = vport->phba;\ 1471 uint val = 0;\ 1472 if (!isdigit(buf[0]))\ 1473 return -EINVAL;\ 1474 if (sscanf(buf, "%i", &val) != 1)\ 1475 return -EINVAL;\ 1476 if (lpfc_##attr##_set(phba, val) == 0) \ 1477 return strlen(buf);\ 1478 else \ 1479 return -EINVAL;\ 1480 } 1481 1482 /** 1483 * lpfc_vport_param_show - Return decimal formatted cfg attribute value 1484 * 1485 * Description: 1486 * Macro that given an attr e.g. hba_queue_depth expands 1487 * into a function with the name lpfc_hba_queue_depth_show 1488 * 1489 * lpfc_##attr##_show: prints the attribute value in decimal. 1490 * @dev: class device that is converted into a Scsi_host. 1491 * @attr: device attribute, not used. 1492 * @buf: on return contains the attribute value in decimal. 1493 * 1494 * Returns: length of formatted string. 1495 **/ 1496 #define lpfc_vport_param_show(attr) \ 1497 static ssize_t \ 1498 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1499 char *buf) \ 1500 { \ 1501 struct Scsi_Host *shost = class_to_shost(dev);\ 1502 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1503 uint val = 0;\ 1504 val = vport->cfg_##attr;\ 1505 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ 1506 } 1507 1508 /** 1509 * lpfc_vport_param_hex_show - Return hex formatted attribute value 1510 * 1511 * Description: 1512 * Macro that given an attr e.g. 1513 * hba_queue_depth expands into a function with the name 1514 * lpfc_hba_queue_depth_show 1515 * 1516 * lpfc_##attr##_show: prints the attribute value in hexadecimal. 1517 * @dev: class device that is converted into a Scsi_host. 1518 * @attr: device attribute, not used. 1519 * @buf: on return contains the attribute value in hexadecimal. 1520 * 1521 * Returns: length of formatted string. 1522 **/ 1523 #define lpfc_vport_param_hex_show(attr) \ 1524 static ssize_t \ 1525 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ 1526 char *buf) \ 1527 { \ 1528 struct Scsi_Host *shost = class_to_shost(dev);\ 1529 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1530 uint val = 0;\ 1531 val = vport->cfg_##attr;\ 1532 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ 1533 } 1534 1535 /** 1536 * lpfc_vport_param_init - Initialize a vport cfg attribute 1537 * 1538 * Description: 1539 * Macro that given an attr e.g. hba_queue_depth expands 1540 * into a function with the name lpfc_hba_queue_depth_init. The macro also 1541 * takes a default argument, a minimum and maximum argument. 1542 * 1543 * lpfc_##attr##_init: validates the min and max values then sets the 1544 * adapter config field accordingly, or uses the default if out of range 1545 * and prints an error message. 1546 * @phba: pointer the the adapter structure. 1547 * @val: integer attribute value. 1548 * 1549 * Returns: 1550 * zero on success 1551 * -EINVAL if default used 1552 **/ 1553 #define lpfc_vport_param_init(attr, default, minval, maxval) \ 1554 static int \ 1555 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ 1556 { \ 1557 if (val >= minval && val <= maxval) {\ 1558 vport->cfg_##attr = val;\ 1559 return 0;\ 1560 }\ 1561 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ 1562 "0423 lpfc_"#attr" attribute cannot be set to %d, "\ 1563 "allowed range is ["#minval", "#maxval"]\n", val); \ 1564 vport->cfg_##attr = default;\ 1565 return -EINVAL;\ 1566 } 1567 1568 /** 1569 * lpfc_vport_param_set - Set a vport cfg attribute 1570 * 1571 * Description: 1572 * Macro that given an attr e.g. hba_queue_depth expands 1573 * into a function with the name lpfc_hba_queue_depth_set 1574 * 1575 * lpfc_##attr##_set: validates the min and max values then sets the 1576 * adapter config field if in the valid range. prints error message 1577 * and does not set the parameter if invalid. 1578 * @phba: pointer the the adapter structure. 1579 * @val: integer attribute value. 1580 * 1581 * Returns: 1582 * zero on success 1583 * -EINVAL if val is invalid 1584 **/ 1585 #define lpfc_vport_param_set(attr, default, minval, maxval) \ 1586 static int \ 1587 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ 1588 { \ 1589 if (val >= minval && val <= maxval) {\ 1590 vport->cfg_##attr = val;\ 1591 return 0;\ 1592 }\ 1593 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ 1594 "0424 lpfc_"#attr" attribute cannot be set to %d, "\ 1595 "allowed range is ["#minval", "#maxval"]\n", val); \ 1596 return -EINVAL;\ 1597 } 1598 1599 /** 1600 * lpfc_vport_param_store - Set a vport attribute 1601 * 1602 * Description: 1603 * Macro that given an attr e.g. hba_queue_depth 1604 * expands into a function with the name lpfc_hba_queue_depth_store 1605 * 1606 * lpfc_##attr##_store: convert the ascii text number to an integer, then 1607 * use the lpfc_##attr##_set function to set the value. 1608 * @cdev: class device that is converted into a Scsi_host. 1609 * @buf: contains the attribute value in decimal. 1610 * @count: not used. 1611 * 1612 * Returns: 1613 * -EINVAL if val is invalid or lpfc_##attr##_set() fails 1614 * length of buffer upon success. 1615 **/ 1616 #define lpfc_vport_param_store(attr) \ 1617 static ssize_t \ 1618 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ 1619 const char *buf, size_t count) \ 1620 { \ 1621 struct Scsi_Host *shost = class_to_shost(dev);\ 1622 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ 1623 uint val = 0;\ 1624 if (!isdigit(buf[0]))\ 1625 return -EINVAL;\ 1626 if (sscanf(buf, "%i", &val) != 1)\ 1627 return -EINVAL;\ 1628 if (lpfc_##attr##_set(vport, val) == 0) \ 1629 return strlen(buf);\ 1630 else \ 1631 return -EINVAL;\ 1632 } 1633 1634 1635 #define LPFC_ATTR(name, defval, minval, maxval, desc) \ 1636 static uint lpfc_##name = defval;\ 1637 module_param(lpfc_##name, uint, S_IRUGO);\ 1638 MODULE_PARM_DESC(lpfc_##name, desc);\ 1639 lpfc_param_init(name, defval, minval, maxval) 1640 1641 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ 1642 static uint lpfc_##name = defval;\ 1643 module_param(lpfc_##name, uint, S_IRUGO);\ 1644 MODULE_PARM_DESC(lpfc_##name, desc);\ 1645 lpfc_param_show(name)\ 1646 lpfc_param_init(name, defval, minval, maxval)\ 1647 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1648 1649 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ 1650 static uint lpfc_##name = defval;\ 1651 module_param(lpfc_##name, uint, S_IRUGO);\ 1652 MODULE_PARM_DESC(lpfc_##name, desc);\ 1653 lpfc_param_show(name)\ 1654 lpfc_param_init(name, defval, minval, maxval)\ 1655 lpfc_param_set(name, defval, minval, maxval)\ 1656 lpfc_param_store(name)\ 1657 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1658 lpfc_##name##_show, lpfc_##name##_store) 1659 1660 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ 1661 static uint lpfc_##name = defval;\ 1662 module_param(lpfc_##name, uint, S_IRUGO);\ 1663 MODULE_PARM_DESC(lpfc_##name, desc);\ 1664 lpfc_param_hex_show(name)\ 1665 lpfc_param_init(name, defval, minval, maxval)\ 1666 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1667 1668 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ 1669 static uint lpfc_##name = defval;\ 1670 module_param(lpfc_##name, uint, S_IRUGO);\ 1671 MODULE_PARM_DESC(lpfc_##name, desc);\ 1672 lpfc_param_hex_show(name)\ 1673 lpfc_param_init(name, defval, minval, maxval)\ 1674 lpfc_param_set(name, defval, minval, maxval)\ 1675 lpfc_param_store(name)\ 1676 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1677 lpfc_##name##_show, lpfc_##name##_store) 1678 1679 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ 1680 static uint lpfc_##name = defval;\ 1681 module_param(lpfc_##name, uint, S_IRUGO);\ 1682 MODULE_PARM_DESC(lpfc_##name, desc);\ 1683 lpfc_vport_param_init(name, defval, minval, maxval) 1684 1685 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ 1686 static uint lpfc_##name = defval;\ 1687 module_param(lpfc_##name, uint, S_IRUGO);\ 1688 MODULE_PARM_DESC(lpfc_##name, desc);\ 1689 lpfc_vport_param_show(name)\ 1690 lpfc_vport_param_init(name, defval, minval, maxval)\ 1691 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1692 1693 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ 1694 static uint lpfc_##name = defval;\ 1695 module_param(lpfc_##name, uint, S_IRUGO);\ 1696 MODULE_PARM_DESC(lpfc_##name, desc);\ 1697 lpfc_vport_param_show(name)\ 1698 lpfc_vport_param_init(name, defval, minval, maxval)\ 1699 lpfc_vport_param_set(name, defval, minval, maxval)\ 1700 lpfc_vport_param_store(name)\ 1701 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1702 lpfc_##name##_show, lpfc_##name##_store) 1703 1704 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ 1705 static uint lpfc_##name = defval;\ 1706 module_param(lpfc_##name, uint, S_IRUGO);\ 1707 MODULE_PARM_DESC(lpfc_##name, desc);\ 1708 lpfc_vport_param_hex_show(name)\ 1709 lpfc_vport_param_init(name, defval, minval, maxval)\ 1710 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) 1711 1712 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ 1713 static uint lpfc_##name = defval;\ 1714 module_param(lpfc_##name, uint, S_IRUGO);\ 1715 MODULE_PARM_DESC(lpfc_##name, desc);\ 1716 lpfc_vport_param_hex_show(name)\ 1717 lpfc_vport_param_init(name, defval, minval, maxval)\ 1718 lpfc_vport_param_set(name, defval, minval, maxval)\ 1719 lpfc_vport_param_store(name)\ 1720 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ 1721 lpfc_##name##_show, lpfc_##name##_store) 1722 1723 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); 1724 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); 1725 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); 1726 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); 1727 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); 1728 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); 1729 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); 1730 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); 1731 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); 1732 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); 1733 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); 1734 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); 1735 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, 1736 lpfc_link_state_store); 1737 static DEVICE_ATTR(option_rom_version, S_IRUGO, 1738 lpfc_option_rom_version_show, NULL); 1739 static DEVICE_ATTR(num_discovered_ports, S_IRUGO, 1740 lpfc_num_discovered_ports_show, NULL); 1741 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); 1742 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); 1743 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); 1744 static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); 1745 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, 1746 lpfc_board_mode_show, lpfc_board_mode_store); 1747 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); 1748 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); 1749 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); 1750 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); 1751 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); 1752 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); 1753 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); 1754 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); 1755 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); 1756 static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); 1757 static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); 1758 static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); 1759 1760 static char *lpfc_soft_wwn_key = "C99G71SL8032A"; 1761 1762 /** 1763 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid 1764 * @dev: class device that is converted into a Scsi_host. 1765 * @attr: device attribute, not used. 1766 * @buf: containing the string lpfc_soft_wwn_key. 1767 * @count: must be size of lpfc_soft_wwn_key. 1768 * 1769 * Returns: 1770 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key 1771 * length of buf indicates success 1772 **/ 1773 static ssize_t 1774 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, 1775 const char *buf, size_t count) 1776 { 1777 struct Scsi_Host *shost = class_to_shost(dev); 1778 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1779 struct lpfc_hba *phba = vport->phba; 1780 unsigned int cnt = count; 1781 1782 /* 1783 * We're doing a simple sanity check for soft_wwpn setting. 1784 * We require that the user write a specific key to enable 1785 * the soft_wwpn attribute to be settable. Once the attribute 1786 * is written, the enable key resets. If further updates are 1787 * desired, the key must be written again to re-enable the 1788 * attribute. 1789 * 1790 * The "key" is not secret - it is a hardcoded string shown 1791 * here. The intent is to protect against the random user or 1792 * application that is just writing attributes. 1793 */ 1794 1795 /* count may include a LF at end of string */ 1796 if (buf[cnt-1] == '\n') 1797 cnt--; 1798 1799 if ((cnt != strlen(lpfc_soft_wwn_key)) || 1800 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) 1801 return -EINVAL; 1802 1803 phba->soft_wwn_enable = 1; 1804 return count; 1805 } 1806 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, 1807 lpfc_soft_wwn_enable_store); 1808 1809 /** 1810 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter 1811 * @dev: class device that is converted into a Scsi_host. 1812 * @attr: device attribute, not used. 1813 * @buf: on return contains the wwpn in hexadecimal. 1814 * 1815 * Returns: size of formatted string. 1816 **/ 1817 static ssize_t 1818 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, 1819 char *buf) 1820 { 1821 struct Scsi_Host *shost = class_to_shost(dev); 1822 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1823 struct lpfc_hba *phba = vport->phba; 1824 1825 return snprintf(buf, PAGE_SIZE, "0x%llx\n", 1826 (unsigned long long)phba->cfg_soft_wwpn); 1827 } 1828 1829 /** 1830 * lpfc_soft_wwpn_store - Set the ww port name of the adapter 1831 * @dev class device that is converted into a Scsi_host. 1832 * @attr: device attribute, not used. 1833 * @buf: contains the wwpn in hexadecimal. 1834 * @count: number of wwpn bytes in buf 1835 * 1836 * Returns: 1837 * -EACCES hba reset not enabled, adapter over temp 1838 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid 1839 * -EIO error taking adapter offline or online 1840 * value of count on success 1841 **/ 1842 static ssize_t 1843 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, 1844 const char *buf, size_t count) 1845 { 1846 struct Scsi_Host *shost = class_to_shost(dev); 1847 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1848 struct lpfc_hba *phba = vport->phba; 1849 struct completion online_compl; 1850 int stat1=0, stat2=0; 1851 unsigned int i, j, cnt=count; 1852 u8 wwpn[8]; 1853 int rc; 1854 1855 if (!phba->cfg_enable_hba_reset) 1856 return -EACCES; 1857 spin_lock_irq(&phba->hbalock); 1858 if (phba->over_temp_state == HBA_OVER_TEMP) { 1859 spin_unlock_irq(&phba->hbalock); 1860 return -EACCES; 1861 } 1862 spin_unlock_irq(&phba->hbalock); 1863 /* count may include a LF at end of string */ 1864 if (buf[cnt-1] == '\n') 1865 cnt--; 1866 1867 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || 1868 ((cnt == 17) && (*buf++ != 'x')) || 1869 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) 1870 return -EINVAL; 1871 1872 phba->soft_wwn_enable = 0; 1873 1874 memset(wwpn, 0, sizeof(wwpn)); 1875 1876 /* Validate and store the new name */ 1877 for (i=0, j=0; i < 16; i++) { 1878 int value; 1879 1880 value = hex_to_bin(*buf++); 1881 if (value >= 0) 1882 j = (j << 4) | value; 1883 else 1884 return -EINVAL; 1885 if (i % 2) { 1886 wwpn[i/2] = j & 0xff; 1887 j = 0; 1888 } 1889 } 1890 phba->cfg_soft_wwpn = wwn_to_u64(wwpn); 1891 fc_host_port_name(shost) = phba->cfg_soft_wwpn; 1892 if (phba->cfg_soft_wwnn) 1893 fc_host_node_name(shost) = phba->cfg_soft_wwnn; 1894 1895 dev_printk(KERN_NOTICE, &phba->pcidev->dev, 1896 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); 1897 1898 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); 1899 if (stat1) 1900 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1901 "0463 lpfc_soft_wwpn attribute set failed to " 1902 "reinit adapter - %d\n", stat1); 1903 init_completion(&online_compl); 1904 rc = lpfc_workq_post_event(phba, &stat2, &online_compl, 1905 LPFC_EVT_ONLINE); 1906 if (rc == 0) 1907 return -ENOMEM; 1908 1909 wait_for_completion(&online_compl); 1910 if (stat2) 1911 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1912 "0464 lpfc_soft_wwpn attribute set failed to " 1913 "reinit adapter - %d\n", stat2); 1914 return (stat1 || stat2) ? -EIO : count; 1915 } 1916 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ 1917 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); 1918 1919 /** 1920 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter 1921 * @dev: class device that is converted into a Scsi_host. 1922 * @attr: device attribute, not used. 1923 * @buf: on return contains the wwnn in hexadecimal. 1924 * 1925 * Returns: size of formatted string. 1926 **/ 1927 static ssize_t 1928 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, 1929 char *buf) 1930 { 1931 struct Scsi_Host *shost = class_to_shost(dev); 1932 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 1933 return snprintf(buf, PAGE_SIZE, "0x%llx\n", 1934 (unsigned long long)phba->cfg_soft_wwnn); 1935 } 1936 1937 /** 1938 * lpfc_soft_wwnn_store - sets the ww node name of the adapter 1939 * @cdev: class device that is converted into a Scsi_host. 1940 * @buf: contains the ww node name in hexadecimal. 1941 * @count: number of wwnn bytes in buf. 1942 * 1943 * Returns: 1944 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid 1945 * value of count on success 1946 **/ 1947 static ssize_t 1948 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, 1949 const char *buf, size_t count) 1950 { 1951 struct Scsi_Host *shost = class_to_shost(dev); 1952 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 1953 unsigned int i, j, cnt=count; 1954 u8 wwnn[8]; 1955 1956 /* count may include a LF at end of string */ 1957 if (buf[cnt-1] == '\n') 1958 cnt--; 1959 1960 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || 1961 ((cnt == 17) && (*buf++ != 'x')) || 1962 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) 1963 return -EINVAL; 1964 1965 /* 1966 * Allow wwnn to be set many times, as long as the enable is set. 1967 * However, once the wwpn is set, everything locks. 1968 */ 1969 1970 memset(wwnn, 0, sizeof(wwnn)); 1971 1972 /* Validate and store the new name */ 1973 for (i=0, j=0; i < 16; i++) { 1974 int value; 1975 1976 value = hex_to_bin(*buf++); 1977 if (value >= 0) 1978 j = (j << 4) | value; 1979 else 1980 return -EINVAL; 1981 if (i % 2) { 1982 wwnn[i/2] = j & 0xff; 1983 j = 0; 1984 } 1985 } 1986 phba->cfg_soft_wwnn = wwn_to_u64(wwnn); 1987 1988 dev_printk(KERN_NOTICE, &phba->pcidev->dev, 1989 "lpfc%d: soft_wwnn set. Value will take effect upon " 1990 "setting of the soft_wwpn\n", phba->brd_no); 1991 1992 return count; 1993 } 1994 static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ 1995 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); 1996 1997 1998 static int lpfc_poll = 0; 1999 module_param(lpfc_poll, int, S_IRUGO); 2000 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" 2001 " 0 - none," 2002 " 1 - poll with interrupts enabled" 2003 " 3 - poll and disable FCP ring interrupts"); 2004 2005 static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, 2006 lpfc_poll_show, lpfc_poll_store); 2007 2008 int lpfc_sli_mode = 0; 2009 module_param(lpfc_sli_mode, int, S_IRUGO); 2010 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" 2011 " 0 - auto (SLI-3 if supported)," 2012 " 2 - select SLI-2 even on SLI-3 capable HBAs," 2013 " 3 - select SLI-3"); 2014 2015 int lpfc_enable_npiv = 1; 2016 module_param(lpfc_enable_npiv, int, S_IRUGO); 2017 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); 2018 lpfc_param_show(enable_npiv); 2019 lpfc_param_init(enable_npiv, 1, 0, 1); 2020 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); 2021 2022 int lpfc_enable_rrq; 2023 module_param(lpfc_enable_rrq, int, S_IRUGO); 2024 MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); 2025 lpfc_param_show(enable_rrq); 2026 lpfc_param_init(enable_rrq, 0, 0, 1); 2027 static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); 2028 2029 /* 2030 # lpfc_suppress_link_up: Bring link up at initialization 2031 # 0x0 = bring link up (issue MBX_INIT_LINK) 2032 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) 2033 # 0x2 = never bring up link 2034 # Default value is 0. 2035 */ 2036 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, 2037 LPFC_DELAY_INIT_LINK_INDEFINITELY, 2038 "Suppress Link Up at initialization"); 2039 /* 2040 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS 2041 # 1 - (1024) 2042 # 2 - (2048) 2043 # 3 - (3072) 2044 # 4 - (4096) 2045 # 5 - (5120) 2046 */ 2047 static ssize_t 2048 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) 2049 { 2050 struct Scsi_Host *shost = class_to_shost(dev); 2051 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2052 2053 return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); 2054 } 2055 2056 static DEVICE_ATTR(iocb_hw, S_IRUGO, 2057 lpfc_iocb_hw_show, NULL); 2058 static ssize_t 2059 lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) 2060 { 2061 struct Scsi_Host *shost = class_to_shost(dev); 2062 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2063 2064 return snprintf(buf, PAGE_SIZE, "%d\n", 2065 phba->sli.ring[LPFC_ELS_RING].txq_max); 2066 } 2067 2068 static DEVICE_ATTR(txq_hw, S_IRUGO, 2069 lpfc_txq_hw_show, NULL); 2070 static ssize_t 2071 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, 2072 char *buf) 2073 { 2074 struct Scsi_Host *shost = class_to_shost(dev); 2075 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; 2076 2077 return snprintf(buf, PAGE_SIZE, "%d\n", 2078 phba->sli.ring[LPFC_ELS_RING].txcmplq_max); 2079 } 2080 2081 static DEVICE_ATTR(txcmplq_hw, S_IRUGO, 2082 lpfc_txcmplq_hw_show, NULL); 2083 2084 int lpfc_iocb_cnt = 2; 2085 module_param(lpfc_iocb_cnt, int, S_IRUGO); 2086 MODULE_PARM_DESC(lpfc_iocb_cnt, 2087 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); 2088 lpfc_param_show(iocb_cnt); 2089 lpfc_param_init(iocb_cnt, 2, 1, 5); 2090 static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, 2091 lpfc_iocb_cnt_show, NULL); 2092 2093 /* 2094 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear 2095 # until the timer expires. Value range is [0,255]. Default value is 30. 2096 */ 2097 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; 2098 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; 2099 module_param(lpfc_nodev_tmo, int, 0); 2100 MODULE_PARM_DESC(lpfc_nodev_tmo, 2101 "Seconds driver will hold I/O waiting " 2102 "for a device to come back"); 2103 2104 /** 2105 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value 2106 * @dev: class converted to a Scsi_host structure. 2107 * @attr: device attribute, not used. 2108 * @buf: on return contains the dev loss timeout in decimal. 2109 * 2110 * Returns: size of formatted string. 2111 **/ 2112 static ssize_t 2113 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, 2114 char *buf) 2115 { 2116 struct Scsi_Host *shost = class_to_shost(dev); 2117 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2118 2119 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); 2120 } 2121 2122 /** 2123 * lpfc_nodev_tmo_init - Set the hba nodev timeout value 2124 * @vport: lpfc vport structure pointer. 2125 * @val: contains the nodev timeout value. 2126 * 2127 * Description: 2128 * If the devloss tmo is already set then nodev tmo is set to devloss tmo, 2129 * a kernel error message is printed and zero is returned. 2130 * Else if val is in range then nodev tmo and devloss tmo are set to val. 2131 * Otherwise nodev tmo is set to the default value. 2132 * 2133 * Returns: 2134 * zero if already set or if val is in range 2135 * -EINVAL val out of range 2136 **/ 2137 static int 2138 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) 2139 { 2140 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { 2141 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; 2142 if (val != LPFC_DEF_DEVLOSS_TMO) 2143 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2144 "0407 Ignoring nodev_tmo module " 2145 "parameter because devloss_tmo is " 2146 "set.\n"); 2147 return 0; 2148 } 2149 2150 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2151 vport->cfg_nodev_tmo = val; 2152 vport->cfg_devloss_tmo = val; 2153 return 0; 2154 } 2155 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2156 "0400 lpfc_nodev_tmo attribute cannot be set to" 2157 " %d, allowed range is [%d, %d]\n", 2158 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2159 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; 2160 return -EINVAL; 2161 } 2162 2163 /** 2164 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value 2165 * @vport: lpfc vport structure pointer. 2166 * 2167 * Description: 2168 * Update all the ndlp's dev loss tmo with the vport devloss tmo value. 2169 **/ 2170 static void 2171 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) 2172 { 2173 struct Scsi_Host *shost; 2174 struct lpfc_nodelist *ndlp; 2175 2176 shost = lpfc_shost_from_vport(vport); 2177 spin_lock_irq(shost->host_lock); 2178 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) 2179 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) 2180 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; 2181 spin_unlock_irq(shost->host_lock); 2182 } 2183 2184 /** 2185 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values 2186 * @vport: lpfc vport structure pointer. 2187 * @val: contains the tmo value. 2188 * 2189 * Description: 2190 * If the devloss tmo is already set or the vport dev loss tmo has changed 2191 * then a kernel error message is printed and zero is returned. 2192 * Else if val is in range then nodev tmo and devloss tmo are set to val. 2193 * Otherwise nodev tmo is set to the default value. 2194 * 2195 * Returns: 2196 * zero if already set or if val is in range 2197 * -EINVAL val out of range 2198 **/ 2199 static int 2200 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) 2201 { 2202 if (vport->dev_loss_tmo_changed || 2203 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { 2204 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2205 "0401 Ignoring change to nodev_tmo " 2206 "because devloss_tmo is set.\n"); 2207 return 0; 2208 } 2209 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2210 vport->cfg_nodev_tmo = val; 2211 vport->cfg_devloss_tmo = val; 2212 /* 2213 * For compat: set the fc_host dev loss so new rports 2214 * will get the value. 2215 */ 2216 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; 2217 lpfc_update_rport_devloss_tmo(vport); 2218 return 0; 2219 } 2220 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2221 "0403 lpfc_nodev_tmo attribute cannot be set to" 2222 "%d, allowed range is [%d, %d]\n", 2223 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2224 return -EINVAL; 2225 } 2226 2227 lpfc_vport_param_store(nodev_tmo) 2228 2229 static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, 2230 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); 2231 2232 /* 2233 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that 2234 # disappear until the timer expires. Value range is [0,255]. Default 2235 # value is 30. 2236 */ 2237 module_param(lpfc_devloss_tmo, int, S_IRUGO); 2238 MODULE_PARM_DESC(lpfc_devloss_tmo, 2239 "Seconds driver will hold I/O waiting " 2240 "for a device to come back"); 2241 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, 2242 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) 2243 lpfc_vport_param_show(devloss_tmo) 2244 2245 /** 2246 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit 2247 * @vport: lpfc vport structure pointer. 2248 * @val: contains the tmo value. 2249 * 2250 * Description: 2251 * If val is in a valid range then set the vport nodev tmo, 2252 * devloss tmo, also set the vport dev loss tmo changed flag. 2253 * Else a kernel error message is printed. 2254 * 2255 * Returns: 2256 * zero if val is in range 2257 * -EINVAL val out of range 2258 **/ 2259 static int 2260 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) 2261 { 2262 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { 2263 vport->cfg_nodev_tmo = val; 2264 vport->cfg_devloss_tmo = val; 2265 vport->dev_loss_tmo_changed = 1; 2266 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; 2267 lpfc_update_rport_devloss_tmo(vport); 2268 return 0; 2269 } 2270 2271 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2272 "0404 lpfc_devloss_tmo attribute cannot be set to" 2273 " %d, allowed range is [%d, %d]\n", 2274 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); 2275 return -EINVAL; 2276 } 2277 2278 lpfc_vport_param_store(devloss_tmo) 2279 static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, 2280 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); 2281 2282 /* 2283 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being 2284 # deluged with LOTS of information. 2285 # You can set a bit mask to record specific types of verbose messages: 2286 # See lpfc_logmsh.h for definitions. 2287 */ 2288 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, 2289 "Verbose logging bit-mask"); 2290 2291 /* 2292 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters 2293 # objects that have been registered with the nameserver after login. 2294 */ 2295 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, 2296 "Deregister nameserver objects before LOGO"); 2297 2298 /* 2299 # lun_queue_depth: This parameter is used to limit the number of outstanding 2300 # commands per FCP LUN. Value range is [1,128]. Default value is 30. 2301 */ 2302 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, 2303 "Max number of FCP commands we can queue to a specific LUN"); 2304 2305 /* 2306 # tgt_queue_depth: This parameter is used to limit the number of outstanding 2307 # commands per target port. Value range is [10,65535]. Default value is 65535. 2308 */ 2309 LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, 2310 "Max number of FCP commands we can queue to a specific target port"); 2311 2312 /* 2313 # hba_queue_depth: This parameter is used to limit the number of outstanding 2314 # commands per lpfc HBA. Value range is [32,8192]. If this parameter 2315 # value is greater than the maximum number of exchanges supported by the HBA, 2316 # then maximum number of exchanges supported by the HBA is used to determine 2317 # the hba_queue_depth. 2318 */ 2319 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, 2320 "Max number of FCP commands we can queue to a lpfc HBA"); 2321 2322 /* 2323 # peer_port_login: This parameter allows/prevents logins 2324 # between peer ports hosted on the same physical port. 2325 # When this parameter is set 0 peer ports of same physical port 2326 # are not allowed to login to each other. 2327 # When this parameter is set 1 peer ports of same physical port 2328 # are allowed to login to each other. 2329 # Default value of this parameter is 0. 2330 */ 2331 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, 2332 "Allow peer ports on the same physical port to login to each " 2333 "other."); 2334 2335 /* 2336 # restrict_login: This parameter allows/prevents logins 2337 # between Virtual Ports and remote initiators. 2338 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from 2339 # other initiators and will attempt to PLOGI all remote ports. 2340 # When this parameter is set (1) Virtual Ports will reject PLOGIs from 2341 # remote ports and will not attempt to PLOGI to other initiators. 2342 # This parameter does not restrict to the physical port. 2343 # This parameter does not restrict logins to Fabric resident remote ports. 2344 # Default value of this parameter is 1. 2345 */ 2346 static int lpfc_restrict_login = 1; 2347 module_param(lpfc_restrict_login, int, S_IRUGO); 2348 MODULE_PARM_DESC(lpfc_restrict_login, 2349 "Restrict virtual ports login to remote initiators."); 2350 lpfc_vport_param_show(restrict_login); 2351 2352 /** 2353 * lpfc_restrict_login_init - Set the vport restrict login flag 2354 * @vport: lpfc vport structure pointer. 2355 * @val: contains the restrict login value. 2356 * 2357 * Description: 2358 * If val is not in a valid range then log a kernel error message and set 2359 * the vport restrict login to one. 2360 * If the port type is physical clear the restrict login flag and return. 2361 * Else set the restrict login flag to val. 2362 * 2363 * Returns: 2364 * zero if val is in range 2365 * -EINVAL val out of range 2366 **/ 2367 static int 2368 lpfc_restrict_login_init(struct lpfc_vport *vport, int val) 2369 { 2370 if (val < 0 || val > 1) { 2371 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2372 "0422 lpfc_restrict_login attribute cannot " 2373 "be set to %d, allowed range is [0, 1]\n", 2374 val); 2375 vport->cfg_restrict_login = 1; 2376 return -EINVAL; 2377 } 2378 if (vport->port_type == LPFC_PHYSICAL_PORT) { 2379 vport->cfg_restrict_login = 0; 2380 return 0; 2381 } 2382 vport->cfg_restrict_login = val; 2383 return 0; 2384 } 2385 2386 /** 2387 * lpfc_restrict_login_set - Set the vport restrict login flag 2388 * @vport: lpfc vport structure pointer. 2389 * @val: contains the restrict login value. 2390 * 2391 * Description: 2392 * If val is not in a valid range then log a kernel error message and set 2393 * the vport restrict login to one. 2394 * If the port type is physical and the val is not zero log a kernel 2395 * error message, clear the restrict login flag and return zero. 2396 * Else set the restrict login flag to val. 2397 * 2398 * Returns: 2399 * zero if val is in range 2400 * -EINVAL val out of range 2401 **/ 2402 static int 2403 lpfc_restrict_login_set(struct lpfc_vport *vport, int val) 2404 { 2405 if (val < 0 || val > 1) { 2406 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2407 "0425 lpfc_restrict_login attribute cannot " 2408 "be set to %d, allowed range is [0, 1]\n", 2409 val); 2410 vport->cfg_restrict_login = 1; 2411 return -EINVAL; 2412 } 2413 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { 2414 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, 2415 "0468 lpfc_restrict_login must be 0 for " 2416 "Physical ports.\n"); 2417 vport->cfg_restrict_login = 0; 2418 return 0; 2419 } 2420 vport->cfg_restrict_login = val; 2421 return 0; 2422 } 2423 lpfc_vport_param_store(restrict_login); 2424 static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, 2425 lpfc_restrict_login_show, lpfc_restrict_login_store); 2426 2427 /* 2428 # Some disk devices have a "select ID" or "select Target" capability. 2429 # From a protocol standpoint "select ID" usually means select the 2430 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative 2431 # annex" which contains a table that maps a "select ID" (a number 2432 # between 0 and 7F) to an ALPA. By default, for compatibility with 2433 # older drivers, the lpfc driver scans this table from low ALPA to high 2434 # ALPA. 2435 # 2436 # Turning on the scan-down variable (on = 1, off = 0) will 2437 # cause the lpfc driver to use an inverted table, effectively 2438 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. 2439 # 2440 # (Note: This "select ID" functionality is a LOOP ONLY characteristic 2441 # and will not work across a fabric. Also this parameter will take 2442 # effect only in the case when ALPA map is not available.) 2443 */ 2444 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, 2445 "Start scanning for devices from highest ALPA to lowest"); 2446 2447 /* 2448 # lpfc_topology: link topology for init link 2449 # 0x0 = attempt loop mode then point-to-point 2450 # 0x01 = internal loopback mode 2451 # 0x02 = attempt point-to-point mode only 2452 # 0x04 = attempt loop mode only 2453 # 0x06 = attempt point-to-point mode then loop 2454 # Set point-to-point mode if you want to run as an N_Port. 2455 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. 2456 # Default value is 0. 2457 */ 2458 2459 /** 2460 * lpfc_topology_set - Set the adapters topology field 2461 * @phba: lpfc_hba pointer. 2462 * @val: topology value. 2463 * 2464 * Description: 2465 * If val is in a valid range then set the adapter's topology field and 2466 * issue a lip; if the lip fails reset the topology to the old value. 2467 * 2468 * If the value is not in range log a kernel error message and return an error. 2469 * 2470 * Returns: 2471 * zero if val is in range and lip okay 2472 * non-zero return value from lpfc_issue_lip() 2473 * -EINVAL val out of range 2474 **/ 2475 static ssize_t 2476 lpfc_topology_store(struct device *dev, struct device_attribute *attr, 2477 const char *buf, size_t count) 2478 { 2479 struct Scsi_Host *shost = class_to_shost(dev); 2480 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2481 struct lpfc_hba *phba = vport->phba; 2482 int val = 0; 2483 int nolip = 0; 2484 const char *val_buf = buf; 2485 int err; 2486 uint32_t prev_val; 2487 2488 if (!strncmp(buf, "nolip ", strlen("nolip "))) { 2489 nolip = 1; 2490 val_buf = &buf[strlen("nolip ")]; 2491 } 2492 2493 if (!isdigit(val_buf[0])) 2494 return -EINVAL; 2495 if (sscanf(val_buf, "%i", &val) != 1) 2496 return -EINVAL; 2497 2498 if (val >= 0 && val <= 6) { 2499 prev_val = phba->cfg_topology; 2500 phba->cfg_topology = val; 2501 if (nolip) 2502 return strlen(buf); 2503 2504 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); 2505 if (err) { 2506 phba->cfg_topology = prev_val; 2507 return -EINVAL; 2508 } else 2509 return strlen(buf); 2510 } 2511 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2512 "%d:0467 lpfc_topology attribute cannot be set to %d, " 2513 "allowed range is [0, 6]\n", 2514 phba->brd_no, val); 2515 return -EINVAL; 2516 } 2517 static int lpfc_topology = 0; 2518 module_param(lpfc_topology, int, S_IRUGO); 2519 MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); 2520 lpfc_param_show(topology) 2521 lpfc_param_init(topology, 0, 0, 6) 2522 static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, 2523 lpfc_topology_show, lpfc_topology_store); 2524 2525 /** 2526 * lpfc_static_vport_show: Read callback function for 2527 * lpfc_static_vport sysfs file. 2528 * @dev: Pointer to class device object. 2529 * @attr: device attribute structure. 2530 * @buf: Data buffer. 2531 * 2532 * This function is the read call back function for 2533 * lpfc_static_vport sysfs file. The lpfc_static_vport 2534 * sysfs file report the mageability of the vport. 2535 **/ 2536 static ssize_t 2537 lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, 2538 char *buf) 2539 { 2540 struct Scsi_Host *shost = class_to_shost(dev); 2541 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2542 if (vport->vport_flag & STATIC_VPORT) 2543 sprintf(buf, "1\n"); 2544 else 2545 sprintf(buf, "0\n"); 2546 2547 return strlen(buf); 2548 } 2549 2550 /* 2551 * Sysfs attribute to control the statistical data collection. 2552 */ 2553 static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, 2554 lpfc_static_vport_show, NULL); 2555 2556 /** 2557 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file 2558 * @dev: Pointer to class device. 2559 * @buf: Data buffer. 2560 * @count: Size of the data buffer. 2561 * 2562 * This function get called when an user write to the lpfc_stat_data_ctrl 2563 * sysfs file. This function parse the command written to the sysfs file 2564 * and take appropriate action. These commands are used for controlling 2565 * driver statistical data collection. 2566 * Following are the command this function handles. 2567 * 2568 * setbucket <bucket_type> <base> <step> 2569 * = Set the latency buckets. 2570 * destroybucket = destroy all the buckets. 2571 * start = start data collection 2572 * stop = stop data collection 2573 * reset = reset the collected data 2574 **/ 2575 static ssize_t 2576 lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, 2577 const char *buf, size_t count) 2578 { 2579 struct Scsi_Host *shost = class_to_shost(dev); 2580 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2581 struct lpfc_hba *phba = vport->phba; 2582 #define LPFC_MAX_DATA_CTRL_LEN 1024 2583 static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; 2584 unsigned long i; 2585 char *str_ptr, *token; 2586 struct lpfc_vport **vports; 2587 struct Scsi_Host *v_shost; 2588 char *bucket_type_str, *base_str, *step_str; 2589 unsigned long base, step, bucket_type; 2590 2591 if (!strncmp(buf, "setbucket", strlen("setbucket"))) { 2592 if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) 2593 return -EINVAL; 2594 2595 strcpy(bucket_data, buf); 2596 str_ptr = &bucket_data[0]; 2597 /* Ignore this token - this is command token */ 2598 token = strsep(&str_ptr, "\t "); 2599 if (!token) 2600 return -EINVAL; 2601 2602 bucket_type_str = strsep(&str_ptr, "\t "); 2603 if (!bucket_type_str) 2604 return -EINVAL; 2605 2606 if (!strncmp(bucket_type_str, "linear", strlen("linear"))) 2607 bucket_type = LPFC_LINEAR_BUCKET; 2608 else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) 2609 bucket_type = LPFC_POWER2_BUCKET; 2610 else 2611 return -EINVAL; 2612 2613 base_str = strsep(&str_ptr, "\t "); 2614 if (!base_str) 2615 return -EINVAL; 2616 base = simple_strtoul(base_str, NULL, 0); 2617 2618 step_str = strsep(&str_ptr, "\t "); 2619 if (!step_str) 2620 return -EINVAL; 2621 step = simple_strtoul(step_str, NULL, 0); 2622 if (!step) 2623 return -EINVAL; 2624 2625 /* Block the data collection for every vport */ 2626 vports = lpfc_create_vport_work_array(phba); 2627 if (vports == NULL) 2628 return -ENOMEM; 2629 2630 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2631 v_shost = lpfc_shost_from_vport(vports[i]); 2632 spin_lock_irq(v_shost->host_lock); 2633 /* Block and reset data collection */ 2634 vports[i]->stat_data_blocked = 1; 2635 if (vports[i]->stat_data_enabled) 2636 lpfc_vport_reset_stat_data(vports[i]); 2637 spin_unlock_irq(v_shost->host_lock); 2638 } 2639 2640 /* Set the bucket attributes */ 2641 phba->bucket_type = bucket_type; 2642 phba->bucket_base = base; 2643 phba->bucket_step = step; 2644 2645 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2646 v_shost = lpfc_shost_from_vport(vports[i]); 2647 2648 /* Unblock data collection */ 2649 spin_lock_irq(v_shost->host_lock); 2650 vports[i]->stat_data_blocked = 0; 2651 spin_unlock_irq(v_shost->host_lock); 2652 } 2653 lpfc_destroy_vport_work_array(phba, vports); 2654 return strlen(buf); 2655 } 2656 2657 if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { 2658 vports = lpfc_create_vport_work_array(phba); 2659 if (vports == NULL) 2660 return -ENOMEM; 2661 2662 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2663 v_shost = lpfc_shost_from_vport(vports[i]); 2664 spin_lock_irq(shost->host_lock); 2665 vports[i]->stat_data_blocked = 1; 2666 lpfc_free_bucket(vport); 2667 vport->stat_data_enabled = 0; 2668 vports[i]->stat_data_blocked = 0; 2669 spin_unlock_irq(shost->host_lock); 2670 } 2671 lpfc_destroy_vport_work_array(phba, vports); 2672 phba->bucket_type = LPFC_NO_BUCKET; 2673 phba->bucket_base = 0; 2674 phba->bucket_step = 0; 2675 return strlen(buf); 2676 } 2677 2678 if (!strncmp(buf, "start", strlen("start"))) { 2679 /* If no buckets configured return error */ 2680 if (phba->bucket_type == LPFC_NO_BUCKET) 2681 return -EINVAL; 2682 spin_lock_irq(shost->host_lock); 2683 if (vport->stat_data_enabled) { 2684 spin_unlock_irq(shost->host_lock); 2685 return strlen(buf); 2686 } 2687 lpfc_alloc_bucket(vport); 2688 vport->stat_data_enabled = 1; 2689 spin_unlock_irq(shost->host_lock); 2690 return strlen(buf); 2691 } 2692 2693 if (!strncmp(buf, "stop", strlen("stop"))) { 2694 spin_lock_irq(shost->host_lock); 2695 if (vport->stat_data_enabled == 0) { 2696 spin_unlock_irq(shost->host_lock); 2697 return strlen(buf); 2698 } 2699 lpfc_free_bucket(vport); 2700 vport->stat_data_enabled = 0; 2701 spin_unlock_irq(shost->host_lock); 2702 return strlen(buf); 2703 } 2704 2705 if (!strncmp(buf, "reset", strlen("reset"))) { 2706 if ((phba->bucket_type == LPFC_NO_BUCKET) 2707 || !vport->stat_data_enabled) 2708 return strlen(buf); 2709 spin_lock_irq(shost->host_lock); 2710 vport->stat_data_blocked = 1; 2711 lpfc_vport_reset_stat_data(vport); 2712 vport->stat_data_blocked = 0; 2713 spin_unlock_irq(shost->host_lock); 2714 return strlen(buf); 2715 } 2716 return -EINVAL; 2717 } 2718 2719 2720 /** 2721 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file 2722 * @dev: Pointer to class device object. 2723 * @buf: Data buffer. 2724 * 2725 * This function is the read call back function for 2726 * lpfc_stat_data_ctrl sysfs file. This function report the 2727 * current statistical data collection state. 2728 **/ 2729 static ssize_t 2730 lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, 2731 char *buf) 2732 { 2733 struct Scsi_Host *shost = class_to_shost(dev); 2734 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2735 struct lpfc_hba *phba = vport->phba; 2736 int index = 0; 2737 int i; 2738 char *bucket_type; 2739 unsigned long bucket_value; 2740 2741 switch (phba->bucket_type) { 2742 case LPFC_LINEAR_BUCKET: 2743 bucket_type = "linear"; 2744 break; 2745 case LPFC_POWER2_BUCKET: 2746 bucket_type = "power2"; 2747 break; 2748 default: 2749 bucket_type = "No Bucket"; 2750 break; 2751 } 2752 2753 sprintf(&buf[index], "Statistical Data enabled :%d, " 2754 "blocked :%d, Bucket type :%s, Bucket base :%d," 2755 " Bucket step :%d\nLatency Ranges :", 2756 vport->stat_data_enabled, vport->stat_data_blocked, 2757 bucket_type, phba->bucket_base, phba->bucket_step); 2758 index = strlen(buf); 2759 if (phba->bucket_type != LPFC_NO_BUCKET) { 2760 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { 2761 if (phba->bucket_type == LPFC_LINEAR_BUCKET) 2762 bucket_value = phba->bucket_base + 2763 phba->bucket_step * i; 2764 else 2765 bucket_value = phba->bucket_base + 2766 (1 << i) * phba->bucket_step; 2767 2768 if (index + 10 > PAGE_SIZE) 2769 break; 2770 sprintf(&buf[index], "%08ld ", bucket_value); 2771 index = strlen(buf); 2772 } 2773 } 2774 sprintf(&buf[index], "\n"); 2775 return strlen(buf); 2776 } 2777 2778 /* 2779 * Sysfs attribute to control the statistical data collection. 2780 */ 2781 static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, 2782 lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); 2783 2784 /* 2785 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. 2786 */ 2787 2788 /* 2789 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN 2790 * for each target. 2791 */ 2792 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) 2793 #define MAX_STAT_DATA_SIZE_PER_TARGET \ 2794 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) 2795 2796 2797 /** 2798 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute 2799 * @filp: sysfs file 2800 * @kobj: Pointer to the kernel object 2801 * @bin_attr: Attribute object 2802 * @buff: Buffer pointer 2803 * @off: File offset 2804 * @count: Buffer size 2805 * 2806 * This function is the read call back function for lpfc_drvr_stat_data 2807 * sysfs file. This function export the statistical data to user 2808 * applications. 2809 **/ 2810 static ssize_t 2811 sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, 2812 struct bin_attribute *bin_attr, 2813 char *buf, loff_t off, size_t count) 2814 { 2815 struct device *dev = container_of(kobj, struct device, 2816 kobj); 2817 struct Scsi_Host *shost = class_to_shost(dev); 2818 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2819 struct lpfc_hba *phba = vport->phba; 2820 int i = 0, index = 0; 2821 unsigned long nport_index; 2822 struct lpfc_nodelist *ndlp = NULL; 2823 nport_index = (unsigned long)off / 2824 MAX_STAT_DATA_SIZE_PER_TARGET; 2825 2826 if (!vport->stat_data_enabled || vport->stat_data_blocked 2827 || (phba->bucket_type == LPFC_NO_BUCKET)) 2828 return 0; 2829 2830 spin_lock_irq(shost->host_lock); 2831 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 2832 if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) 2833 continue; 2834 2835 if (nport_index > 0) { 2836 nport_index--; 2837 continue; 2838 } 2839 2840 if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) 2841 > count) 2842 break; 2843 2844 if (!ndlp->lat_data) 2845 continue; 2846 2847 /* Print the WWN */ 2848 sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", 2849 ndlp->nlp_portname.u.wwn[0], 2850 ndlp->nlp_portname.u.wwn[1], 2851 ndlp->nlp_portname.u.wwn[2], 2852 ndlp->nlp_portname.u.wwn[3], 2853 ndlp->nlp_portname.u.wwn[4], 2854 ndlp->nlp_portname.u.wwn[5], 2855 ndlp->nlp_portname.u.wwn[6], 2856 ndlp->nlp_portname.u.wwn[7]); 2857 2858 index = strlen(buf); 2859 2860 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { 2861 sprintf(&buf[index], "%010u,", 2862 ndlp->lat_data[i].cmd_count); 2863 index = strlen(buf); 2864 } 2865 sprintf(&buf[index], "\n"); 2866 index = strlen(buf); 2867 } 2868 spin_unlock_irq(shost->host_lock); 2869 return index; 2870 } 2871 2872 static struct bin_attribute sysfs_drvr_stat_data_attr = { 2873 .attr = { 2874 .name = "lpfc_drvr_stat_data", 2875 .mode = S_IRUSR, 2876 }, 2877 .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, 2878 .read = sysfs_drvr_stat_data_read, 2879 .write = NULL, 2880 }; 2881 2882 /* 2883 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel 2884 # connection. 2885 # Value range is [0,16]. Default value is 0. 2886 */ 2887 /** 2888 * lpfc_link_speed_set - Set the adapters link speed 2889 * @phba: lpfc_hba pointer. 2890 * @val: link speed value. 2891 * 2892 * Description: 2893 * If val is in a valid range then set the adapter's link speed field and 2894 * issue a lip; if the lip fails reset the link speed to the old value. 2895 * 2896 * Notes: 2897 * If the value is not in range log a kernel error message and return an error. 2898 * 2899 * Returns: 2900 * zero if val is in range and lip okay. 2901 * non-zero return value from lpfc_issue_lip() 2902 * -EINVAL val out of range 2903 **/ 2904 static ssize_t 2905 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, 2906 const char *buf, size_t count) 2907 { 2908 struct Scsi_Host *shost = class_to_shost(dev); 2909 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2910 struct lpfc_hba *phba = vport->phba; 2911 int val = LPFC_USER_LINK_SPEED_AUTO; 2912 int nolip = 0; 2913 const char *val_buf = buf; 2914 int err; 2915 uint32_t prev_val; 2916 2917 if (!strncmp(buf, "nolip ", strlen("nolip "))) { 2918 nolip = 1; 2919 val_buf = &buf[strlen("nolip ")]; 2920 } 2921 2922 if (!isdigit(val_buf[0])) 2923 return -EINVAL; 2924 if (sscanf(val_buf, "%i", &val) != 1) 2925 return -EINVAL; 2926 2927 if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || 2928 ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || 2929 ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || 2930 ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || 2931 ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || 2932 ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) { 2933 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2934 "2879 lpfc_link_speed attribute cannot be set " 2935 "to %d. Speed is not supported by this port.\n", 2936 val); 2937 return -EINVAL; 2938 } 2939 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && 2940 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { 2941 prev_val = phba->cfg_link_speed; 2942 phba->cfg_link_speed = val; 2943 if (nolip) 2944 return strlen(buf); 2945 2946 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); 2947 if (err) { 2948 phba->cfg_link_speed = prev_val; 2949 return -EINVAL; 2950 } else 2951 return strlen(buf); 2952 } 2953 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2954 "0469 lpfc_link_speed attribute cannot be set to %d, " 2955 "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); 2956 return -EINVAL; 2957 } 2958 2959 static int lpfc_link_speed = 0; 2960 module_param(lpfc_link_speed, int, S_IRUGO); 2961 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); 2962 lpfc_param_show(link_speed) 2963 2964 /** 2965 * lpfc_link_speed_init - Set the adapters link speed 2966 * @phba: lpfc_hba pointer. 2967 * @val: link speed value. 2968 * 2969 * Description: 2970 * If val is in a valid range then set the adapter's link speed field. 2971 * 2972 * Notes: 2973 * If the value is not in range log a kernel error message, clear the link 2974 * speed and return an error. 2975 * 2976 * Returns: 2977 * zero if val saved. 2978 * -EINVAL val out of range 2979 **/ 2980 static int 2981 lpfc_link_speed_init(struct lpfc_hba *phba, int val) 2982 { 2983 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && 2984 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { 2985 phba->cfg_link_speed = val; 2986 return 0; 2987 } 2988 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2989 "0405 lpfc_link_speed attribute cannot " 2990 "be set to %d, allowed values are " 2991 "["LPFC_LINK_SPEED_STRING"]\n", val); 2992 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; 2993 return -EINVAL; 2994 } 2995 2996 static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, 2997 lpfc_link_speed_show, lpfc_link_speed_store); 2998 2999 /* 3000 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) 3001 # 0 = aer disabled or not supported 3002 # 1 = aer supported and enabled (default) 3003 # Value range is [0,1]. Default value is 1. 3004 */ 3005 3006 /** 3007 * lpfc_aer_support_store - Set the adapter for aer support 3008 * 3009 * @dev: class device that is converted into a Scsi_host. 3010 * @attr: device attribute, not used. 3011 * @buf: containing the string "selective". 3012 * @count: unused variable. 3013 * 3014 * Description: 3015 * If the val is 1 and currently the device's AER capability was not 3016 * enabled, invoke the kernel's enable AER helper routine, trying to 3017 * enable the device's AER capability. If the helper routine enabling 3018 * AER returns success, update the device's cfg_aer_support flag to 3019 * indicate AER is supported by the device; otherwise, if the device 3020 * AER capability is already enabled to support AER, then do nothing. 3021 * 3022 * If the val is 0 and currently the device's AER support was enabled, 3023 * invoke the kernel's disable AER helper routine. After that, update 3024 * the device's cfg_aer_support flag to indicate AER is not supported 3025 * by the device; otherwise, if the device AER capability is already 3026 * disabled from supporting AER, then do nothing. 3027 * 3028 * Returns: 3029 * length of the buf on success if val is in range the intended mode 3030 * is supported. 3031 * -EINVAL if val out of range or intended mode is not supported. 3032 **/ 3033 static ssize_t 3034 lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, 3035 const char *buf, size_t count) 3036 { 3037 struct Scsi_Host *shost = class_to_shost(dev); 3038 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; 3039 struct lpfc_hba *phba = vport->phba; 3040 int val = 0, rc = -EINVAL; 3041 3042 if (!isdigit(buf[0])) 3043 return -EINVAL; 3044 if (sscanf(buf, "%i", &val) != 1) 3045 return -EINVAL; 3046 3047 switch (val) { 3048 case 0: 3049 if (phba->hba_flag & HBA_AER_ENABLED) { 3050 rc = pci_disable_pcie_error_reporting(phba->pcidev); 3051 if (!rc) { 3052 spin_lock_irq(&phba->hbalock); 3053 phba->hba_flag &= ~HBA_AER_ENABLED; 3054 spin_unlock_irq(&phba->hbalock); 3055 phba->cfg_aer_support = 0; 3056 rc = strlen(buf); 3057 } else 3058 rc = -EPERM; 3059 } else { 3060 phba->cfg_aer_support = 0; 3061 rc = strlen(buf); 3062 } 3063 break; 3064 case 1: 3065 if (!(phba->hba_flag & HBA_AER_ENABLED)) { 3066 rc = pci_enable_pcie_error_reporting(phba->pcidev); 3067 if (!rc) { 3068 spin_lock_irq(&phba->hbalock); 3069 phba->hba_flag |= HBA_AER_ENABLED; 3070 spin_unlock_irq(&phba->hbalock); 3071 phba->cfg_aer_support = 1; 3072 rc = strlen(buf); 3073 } else 3074 rc = -EPERM; 3075 } else { 3076 phba->cfg_aer_support = 1; 3077 rc = strlen(buf); 3078 } 3079 break; 3080 default: 3081 rc = -EINVAL; 3082 break; 3083 } 3084 return rc; 3085 } 3086 3087 static int lpfc_aer_support = 1; 3088 module_param(lpfc_aer_support, int, S_IRUGO); 3089 MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); 3090 lpfc_param_show(aer_support) 3091 3092 /** 3093 * lpfc_aer_support_init - Set the initial adapters aer support flag 3094 * @phba: lpfc_hba pointer. 3095 * @val: link speed value. 3096 * 3097 * Description: 3098 * If val is in a valid range [0,1], then set the adapter's initial 3099 * cfg_aer_support field. It will be up to the driver's probe_one 3100 * routine to determine whether the device's AER support can be set 3101 * or not. 3102 * 3103 * Notes: 3104 * If the value is not in range log a kernel error message, and 3105 * choose the default value of setting AER support and return. 3106 * 3107 * Returns: 3108 * zero if val saved. 3109 * -EINVAL val out of range 3110 **/ 3111 static int 3112 lpfc_aer_support_init(struct lpfc_hba *phba, int val) 3113 { 3114 if (val == 0 || val == 1) { 3115 phba->cfg_aer_support = val; 3116 return 0; 3117 } 3118 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 3119 "2712 lpfc_aer_support attribute value %d out " 3120 "of range, allowed values are 0|1, setting it " 3121 "to default value of 1\n", val); 3122 /* By default, try to enable AER on a device */ 3123 phba->cfg_aer_support = 1; 3124 return -EINVAL; 3125 } 3126 3127 static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, 3128 lpfc_aer_support_show, lpfc_aer_support_store); 3129 3130 /** 3131 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device 3132 * @dev: class device that is converted into a Scsi_host. 3133 * @attr: device attribute, not used. 3134 * @buf: containing the string "selective". 3135 * @count: unused variable. 3136 * 3137 * Description: 3138 * If the @buf contains 1 and the device currently has the AER support 3139 * enabled, then invokes the kernel AER helper routine 3140 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable 3141 * error status register. 3142 * 3143 * Notes: 3144 * 3145 * Returns: 3146 * -EINVAL if the buf does not contain the 1 or the device is not currently 3147 * enabled with the AER support. 3148 **/ 3149 static ssize_t 3150 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, 3151 const char *buf, size_t count) 3152 { 3153 struct Scsi_Host *shost = class_to_shost(dev); 3154 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3155 struct lpfc_hba *phba = vport->phba; 3156 int val, rc = -1; 3157 3158 if (!isdigit(buf[0])) 3159 return -EINVAL; 3160 if (sscanf(buf, "%i", &val) != 1) 3161 return -EINVAL; 3162 if (val != 1) 3163 return -EINVAL; 3164 3165 if (phba->hba_flag & HBA_AER_ENABLED) 3166 rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); 3167 3168 if (rc == 0) 3169 return strlen(buf); 3170 else 3171 return -EPERM; 3172 } 3173 3174 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, 3175 lpfc_aer_cleanup_state); 3176 3177 /* 3178 # lpfc_fcp_class: Determines FC class to use for the FCP protocol. 3179 # Value range is [2,3]. Default value is 3. 3180 */ 3181 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, 3182 "Select Fibre Channel class of service for FCP sequences"); 3183 3184 /* 3185 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range 3186 # is [0,1]. Default value is 0. 3187 */ 3188 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, 3189 "Use ADISC on rediscovery to authenticate FCP devices"); 3190 3191 /* 3192 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue 3193 # depth. Default value is 0. When the value of this parameter is zero the 3194 # SCSI command completion time is not used for controlling I/O queue depth. When 3195 # the parameter is set to a non-zero value, the I/O queue depth is controlled 3196 # to limit the I/O completion time to the parameter value. 3197 # The value is set in milliseconds. 3198 */ 3199 static int lpfc_max_scsicmpl_time; 3200 module_param(lpfc_max_scsicmpl_time, int, S_IRUGO); 3201 MODULE_PARM_DESC(lpfc_max_scsicmpl_time, 3202 "Use command completion time to control queue depth"); 3203 lpfc_vport_param_show(max_scsicmpl_time); 3204 lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); 3205 static int 3206 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) 3207 { 3208 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3209 struct lpfc_nodelist *ndlp, *next_ndlp; 3210 3211 if (val == vport->cfg_max_scsicmpl_time) 3212 return 0; 3213 if ((val < 0) || (val > 60000)) 3214 return -EINVAL; 3215 vport->cfg_max_scsicmpl_time = val; 3216 3217 spin_lock_irq(shost->host_lock); 3218 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 3219 if (!NLP_CHK_NODE_ACT(ndlp)) 3220 continue; 3221 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 3222 continue; 3223 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; 3224 } 3225 spin_unlock_irq(shost->host_lock); 3226 return 0; 3227 } 3228 lpfc_vport_param_store(max_scsicmpl_time); 3229 static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, 3230 lpfc_max_scsicmpl_time_show, 3231 lpfc_max_scsicmpl_time_store); 3232 3233 /* 3234 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value 3235 # range is [0,1]. Default value is 0. 3236 */ 3237 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); 3238 3239 /* 3240 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing 3241 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take 3242 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay 3243 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if 3244 # cr_delay is set to 0. 3245 */ 3246 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " 3247 "interrupt response is generated"); 3248 3249 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " 3250 "interrupt response is generated"); 3251 3252 /* 3253 # lpfc_multi_ring_support: Determines how many rings to spread available 3254 # cmd/rsp IOCB entries across. 3255 # Value range is [1,2]. Default value is 1. 3256 */ 3257 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " 3258 "SLI rings to spread IOCB entries across"); 3259 3260 /* 3261 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this 3262 # identifies what rctl value to configure the additional ring for. 3263 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). 3264 */ 3265 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, 3266 255, "Identifies RCTL for additional ring configuration"); 3267 3268 /* 3269 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this 3270 # identifies what type value to configure the additional ring for. 3271 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). 3272 */ 3273 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, 3274 255, "Identifies TYPE for additional ring configuration"); 3275 3276 /* 3277 # lpfc_fdmi_on: controls FDMI support. 3278 # 0 = no FDMI support 3279 # 1 = support FDMI without attribute of hostname 3280 # 2 = support FDMI with attribute of hostname 3281 # Value range [0,2]. Default value is 0. 3282 */ 3283 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); 3284 3285 /* 3286 # Specifies the maximum number of ELS cmds we can have outstanding (for 3287 # discovery). Value range is [1,64]. Default value = 32. 3288 */ 3289 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " 3290 "during discovery"); 3291 3292 /* 3293 # lpfc_max_luns: maximum allowed LUN. 3294 # Value range is [0,65535]. Default value is 255. 3295 # NOTE: The SCSI layer might probe all allowed LUN on some old targets. 3296 */ 3297 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); 3298 3299 /* 3300 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. 3301 # Value range is [1,255], default value is 10. 3302 */ 3303 LPFC_ATTR_RW(poll_tmo, 10, 1, 255, 3304 "Milliseconds driver will wait between polling FCP ring"); 3305 3306 /* 3307 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that 3308 # support this feature 3309 # 0 = MSI disabled 3310 # 1 = MSI enabled 3311 # 2 = MSI-X enabled (default) 3312 # Value range is [0,2]. Default value is 2. 3313 */ 3314 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " 3315 "MSI-X (2), if possible"); 3316 3317 /* 3318 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second 3319 # 3320 # Value range is [636,651042]. Default value is 10000. 3321 */ 3322 LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, 3323 "Set the maximum number of fast-path FCP interrupts per second"); 3324 3325 /* 3326 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues 3327 # 3328 # Value range is [1,31]. Default value is 4. 3329 */ 3330 LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, 3331 "Set the number of fast-path FCP work queues, if possible"); 3332 3333 /* 3334 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues 3335 # 3336 # Value range is [1,7]. Default value is 1. 3337 */ 3338 LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, 3339 "Set the number of fast-path FCP event queues, if possible"); 3340 3341 /* 3342 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. 3343 # 0 = HBA resets disabled 3344 # 1 = HBA resets enabled (default) 3345 # Value range is [0,1]. Default value is 1. 3346 */ 3347 LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); 3348 3349 /* 3350 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. 3351 # 0 = HBA Heartbeat disabled 3352 # 1 = HBA Heartbeat enabled (default) 3353 # Value range is [0,1]. Default value is 1. 3354 */ 3355 LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); 3356 3357 /* 3358 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) 3359 # 0 = BlockGuard disabled (default) 3360 # 1 = BlockGuard enabled 3361 # Value range is [0,1]. Default value is 0. 3362 */ 3363 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); 3364 3365 /* 3366 # lpfc_prot_mask: i 3367 # - Bit mask of host protection capabilities used to register with the 3368 # SCSI mid-layer 3369 # - Only meaningful if BG is turned on (lpfc_enable_bg=1). 3370 # - Allows you to ultimately specify which profiles to use 3371 # - Default will result in registering capabilities for all profiles. 3372 # 3373 */ 3374 unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION; 3375 3376 module_param(lpfc_prot_mask, uint, S_IRUGO); 3377 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); 3378 3379 /* 3380 # lpfc_prot_guard: i 3381 # - Bit mask of protection guard types to register with the SCSI mid-layer 3382 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC 3383 # - Allows you to ultimately specify which profiles to use 3384 # - Default will result in registering capabilities for all guard types 3385 # 3386 */ 3387 unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; 3388 module_param(lpfc_prot_guard, byte, S_IRUGO); 3389 MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); 3390 3391 /* 3392 * Delay initial NPort discovery when Clean Address bit is cleared in 3393 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. 3394 * This parameter can have value 0 or 1. 3395 * When this parameter is set to 0, no delay is added to the initial 3396 * discovery. 3397 * When this parameter is set to non-zero value, initial Nport discovery is 3398 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC 3399 * accept and FCID/Fabric name/Fabric portname is changed. 3400 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion 3401 * when Clean Address bit is cleared in FLOGI/FDISC 3402 * accept and FCID/Fabric name/Fabric portname is changed. 3403 * Default value is 0. 3404 */ 3405 int lpfc_delay_discovery; 3406 module_param(lpfc_delay_discovery, int, S_IRUGO); 3407 MODULE_PARM_DESC(lpfc_delay_discovery, 3408 "Delay NPort discovery when Clean Address bit is cleared. " 3409 "Allowed values: 0,1."); 3410 3411 /* 3412 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count 3413 * This value can be set to values between 64 and 256. The default value is 3414 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer 3415 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). 3416 */ 3417 LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, 3418 LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); 3419 3420 LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, 3421 LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, 3422 "Max Protection Scatter Gather Segment Count"); 3423 3424 struct device_attribute *lpfc_hba_attrs[] = { 3425 &dev_attr_bg_info, 3426 &dev_attr_bg_guard_err, 3427 &dev_attr_bg_apptag_err, 3428 &dev_attr_bg_reftag_err, 3429 &dev_attr_info, 3430 &dev_attr_serialnum, 3431 &dev_attr_modeldesc, 3432 &dev_attr_modelname, 3433 &dev_attr_programtype, 3434 &dev_attr_portnum, 3435 &dev_attr_fwrev, 3436 &dev_attr_hdw, 3437 &dev_attr_option_rom_version, 3438 &dev_attr_link_state, 3439 &dev_attr_num_discovered_ports, 3440 &dev_attr_menlo_mgmt_mode, 3441 &dev_attr_lpfc_drvr_version, 3442 &dev_attr_lpfc_enable_fip, 3443 &dev_attr_lpfc_temp_sensor, 3444 &dev_attr_lpfc_log_verbose, 3445 &dev_attr_lpfc_lun_queue_depth, 3446 &dev_attr_lpfc_tgt_queue_depth, 3447 &dev_attr_lpfc_hba_queue_depth, 3448 &dev_attr_lpfc_peer_port_login, 3449 &dev_attr_lpfc_nodev_tmo, 3450 &dev_attr_lpfc_devloss_tmo, 3451 &dev_attr_lpfc_fcp_class, 3452 &dev_attr_lpfc_use_adisc, 3453 &dev_attr_lpfc_ack0, 3454 &dev_attr_lpfc_topology, 3455 &dev_attr_lpfc_scan_down, 3456 &dev_attr_lpfc_link_speed, 3457 &dev_attr_lpfc_cr_delay, 3458 &dev_attr_lpfc_cr_count, 3459 &dev_attr_lpfc_multi_ring_support, 3460 &dev_attr_lpfc_multi_ring_rctl, 3461 &dev_attr_lpfc_multi_ring_type, 3462 &dev_attr_lpfc_fdmi_on, 3463 &dev_attr_lpfc_max_luns, 3464 &dev_attr_lpfc_enable_npiv, 3465 &dev_attr_lpfc_enable_rrq, 3466 &dev_attr_nport_evt_cnt, 3467 &dev_attr_board_mode, 3468 &dev_attr_max_vpi, 3469 &dev_attr_used_vpi, 3470 &dev_attr_max_rpi, 3471 &dev_attr_used_rpi, 3472 &dev_attr_max_xri, 3473 &dev_attr_used_xri, 3474 &dev_attr_npiv_info, 3475 &dev_attr_issue_reset, 3476 &dev_attr_lpfc_poll, 3477 &dev_attr_lpfc_poll_tmo, 3478 &dev_attr_lpfc_use_msi, 3479 &dev_attr_lpfc_fcp_imax, 3480 &dev_attr_lpfc_fcp_wq_count, 3481 &dev_attr_lpfc_fcp_eq_count, 3482 &dev_attr_lpfc_enable_bg, 3483 &dev_attr_lpfc_soft_wwnn, 3484 &dev_attr_lpfc_soft_wwpn, 3485 &dev_attr_lpfc_soft_wwn_enable, 3486 &dev_attr_lpfc_enable_hba_reset, 3487 &dev_attr_lpfc_enable_hba_heartbeat, 3488 &dev_attr_lpfc_sg_seg_cnt, 3489 &dev_attr_lpfc_max_scsicmpl_time, 3490 &dev_attr_lpfc_stat_data_ctrl, 3491 &dev_attr_lpfc_prot_sg_seg_cnt, 3492 &dev_attr_lpfc_aer_support, 3493 &dev_attr_lpfc_aer_state_cleanup, 3494 &dev_attr_lpfc_suppress_link_up, 3495 &dev_attr_lpfc_iocb_cnt, 3496 &dev_attr_iocb_hw, 3497 &dev_attr_txq_hw, 3498 &dev_attr_txcmplq_hw, 3499 &dev_attr_lpfc_fips_level, 3500 &dev_attr_lpfc_fips_rev, 3501 &dev_attr_lpfc_dss, 3502 NULL, 3503 }; 3504 3505 struct device_attribute *lpfc_vport_attrs[] = { 3506 &dev_attr_info, 3507 &dev_attr_link_state, 3508 &dev_attr_num_discovered_ports, 3509 &dev_attr_lpfc_drvr_version, 3510 &dev_attr_lpfc_log_verbose, 3511 &dev_attr_lpfc_lun_queue_depth, 3512 &dev_attr_lpfc_tgt_queue_depth, 3513 &dev_attr_lpfc_nodev_tmo, 3514 &dev_attr_lpfc_devloss_tmo, 3515 &dev_attr_lpfc_hba_queue_depth, 3516 &dev_attr_lpfc_peer_port_login, 3517 &dev_attr_lpfc_restrict_login, 3518 &dev_attr_lpfc_fcp_class, 3519 &dev_attr_lpfc_use_adisc, 3520 &dev_attr_lpfc_fdmi_on, 3521 &dev_attr_lpfc_max_luns, 3522 &dev_attr_nport_evt_cnt, 3523 &dev_attr_npiv_info, 3524 &dev_attr_lpfc_enable_da_id, 3525 &dev_attr_lpfc_max_scsicmpl_time, 3526 &dev_attr_lpfc_stat_data_ctrl, 3527 &dev_attr_lpfc_static_vport, 3528 &dev_attr_lpfc_fips_level, 3529 &dev_attr_lpfc_fips_rev, 3530 NULL, 3531 }; 3532 3533 /** 3534 * sysfs_ctlreg_write - Write method for writing to ctlreg 3535 * @filp: open sysfs file 3536 * @kobj: kernel kobject that contains the kernel class device. 3537 * @bin_attr: kernel attributes passed to us. 3538 * @buf: contains the data to be written to the adapter IOREG space. 3539 * @off: offset into buffer to beginning of data. 3540 * @count: bytes to transfer. 3541 * 3542 * Description: 3543 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. 3544 * Uses the adapter io control registers to send buf contents to the adapter. 3545 * 3546 * Returns: 3547 * -ERANGE off and count combo out of range 3548 * -EINVAL off, count or buff address invalid 3549 * -EPERM adapter is offline 3550 * value of count, buf contents written 3551 **/ 3552 static ssize_t 3553 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, 3554 struct bin_attribute *bin_attr, 3555 char *buf, loff_t off, size_t count) 3556 { 3557 size_t buf_off; 3558 struct device *dev = container_of(kobj, struct device, kobj); 3559 struct Scsi_Host *shost = class_to_shost(dev); 3560 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3561 struct lpfc_hba *phba = vport->phba; 3562 3563 if (phba->sli_rev >= LPFC_SLI_REV4) 3564 return -EPERM; 3565 3566 if ((off + count) > FF_REG_AREA_SIZE) 3567 return -ERANGE; 3568 3569 if (count == 0) return 0; 3570 3571 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3572 return -EINVAL; 3573 3574 if (!(vport->fc_flag & FC_OFFLINE_MODE)) { 3575 return -EPERM; 3576 } 3577 3578 spin_lock_irq(&phba->hbalock); 3579 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) 3580 writel(*((uint32_t *)(buf + buf_off)), 3581 phba->ctrl_regs_memmap_p + off + buf_off); 3582 3583 spin_unlock_irq(&phba->hbalock); 3584 3585 return count; 3586 } 3587 3588 /** 3589 * sysfs_ctlreg_read - Read method for reading from ctlreg 3590 * @filp: open sysfs file 3591 * @kobj: kernel kobject that contains the kernel class device. 3592 * @bin_attr: kernel attributes passed to us. 3593 * @buf: if successful contains the data from the adapter IOREG space. 3594 * @off: offset into buffer to beginning of data. 3595 * @count: bytes to transfer. 3596 * 3597 * Description: 3598 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. 3599 * Uses the adapter io control registers to read data into buf. 3600 * 3601 * Returns: 3602 * -ERANGE off and count combo out of range 3603 * -EINVAL off, count or buff address invalid 3604 * value of count, buf contents read 3605 **/ 3606 static ssize_t 3607 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, 3608 struct bin_attribute *bin_attr, 3609 char *buf, loff_t off, size_t count) 3610 { 3611 size_t buf_off; 3612 uint32_t * tmp_ptr; 3613 struct device *dev = container_of(kobj, struct device, kobj); 3614 struct Scsi_Host *shost = class_to_shost(dev); 3615 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3616 struct lpfc_hba *phba = vport->phba; 3617 3618 if (phba->sli_rev >= LPFC_SLI_REV4) 3619 return -EPERM; 3620 3621 if (off > FF_REG_AREA_SIZE) 3622 return -ERANGE; 3623 3624 if ((off + count) > FF_REG_AREA_SIZE) 3625 count = FF_REG_AREA_SIZE - off; 3626 3627 if (count == 0) return 0; 3628 3629 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3630 return -EINVAL; 3631 3632 spin_lock_irq(&phba->hbalock); 3633 3634 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { 3635 tmp_ptr = (uint32_t *)(buf + buf_off); 3636 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); 3637 } 3638 3639 spin_unlock_irq(&phba->hbalock); 3640 3641 return count; 3642 } 3643 3644 static struct bin_attribute sysfs_ctlreg_attr = { 3645 .attr = { 3646 .name = "ctlreg", 3647 .mode = S_IRUSR | S_IWUSR, 3648 }, 3649 .size = 256, 3650 .read = sysfs_ctlreg_read, 3651 .write = sysfs_ctlreg_write, 3652 }; 3653 3654 /** 3655 * sysfs_mbox_idle - frees the sysfs mailbox 3656 * @phba: lpfc_hba pointer 3657 **/ 3658 static void 3659 sysfs_mbox_idle(struct lpfc_hba *phba) 3660 { 3661 phba->sysfs_mbox.state = SMBOX_IDLE; 3662 phba->sysfs_mbox.offset = 0; 3663 3664 if (phba->sysfs_mbox.mbox) { 3665 mempool_free(phba->sysfs_mbox.mbox, 3666 phba->mbox_mem_pool); 3667 phba->sysfs_mbox.mbox = NULL; 3668 } 3669 } 3670 3671 /** 3672 * sysfs_mbox_write - Write method for writing information via mbox 3673 * @filp: open sysfs file 3674 * @kobj: kernel kobject that contains the kernel class device. 3675 * @bin_attr: kernel attributes passed to us. 3676 * @buf: contains the data to be written to sysfs mbox. 3677 * @off: offset into buffer to beginning of data. 3678 * @count: bytes to transfer. 3679 * 3680 * Description: 3681 * Accessed via /sys/class/scsi_host/hostxxx/mbox. 3682 * Uses the sysfs mbox to send buf contents to the adapter. 3683 * 3684 * Returns: 3685 * -ERANGE off and count combo out of range 3686 * -EINVAL off, count or buff address invalid 3687 * zero if count is zero 3688 * -EPERM adapter is offline 3689 * -ENOMEM failed to allocate memory for the mail box 3690 * -EAGAIN offset, state or mbox is NULL 3691 * count number of bytes transferred 3692 **/ 3693 static ssize_t 3694 sysfs_mbox_write(struct file *filp, struct kobject *kobj, 3695 struct bin_attribute *bin_attr, 3696 char *buf, loff_t off, size_t count) 3697 { 3698 struct device *dev = container_of(kobj, struct device, kobj); 3699 struct Scsi_Host *shost = class_to_shost(dev); 3700 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3701 struct lpfc_hba *phba = vport->phba; 3702 struct lpfcMboxq *mbox = NULL; 3703 3704 if ((count + off) > MAILBOX_CMD_SIZE) 3705 return -ERANGE; 3706 3707 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3708 return -EINVAL; 3709 3710 if (count == 0) 3711 return 0; 3712 3713 if (off == 0) { 3714 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 3715 if (!mbox) 3716 return -ENOMEM; 3717 memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); 3718 } 3719 3720 spin_lock_irq(&phba->hbalock); 3721 3722 if (off == 0) { 3723 if (phba->sysfs_mbox.mbox) 3724 mempool_free(mbox, phba->mbox_mem_pool); 3725 else 3726 phba->sysfs_mbox.mbox = mbox; 3727 phba->sysfs_mbox.state = SMBOX_WRITING; 3728 } else { 3729 if (phba->sysfs_mbox.state != SMBOX_WRITING || 3730 phba->sysfs_mbox.offset != off || 3731 phba->sysfs_mbox.mbox == NULL) { 3732 sysfs_mbox_idle(phba); 3733 spin_unlock_irq(&phba->hbalock); 3734 return -EAGAIN; 3735 } 3736 } 3737 3738 memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, 3739 buf, count); 3740 3741 phba->sysfs_mbox.offset = off + count; 3742 3743 spin_unlock_irq(&phba->hbalock); 3744 3745 return count; 3746 } 3747 3748 /** 3749 * sysfs_mbox_read - Read method for reading information via mbox 3750 * @filp: open sysfs file 3751 * @kobj: kernel kobject that contains the kernel class device. 3752 * @bin_attr: kernel attributes passed to us. 3753 * @buf: contains the data to be read from sysfs mbox. 3754 * @off: offset into buffer to beginning of data. 3755 * @count: bytes to transfer. 3756 * 3757 * Description: 3758 * Accessed via /sys/class/scsi_host/hostxxx/mbox. 3759 * Uses the sysfs mbox to receive data from to the adapter. 3760 * 3761 * Returns: 3762 * -ERANGE off greater than mailbox command size 3763 * -EINVAL off, count or buff address invalid 3764 * zero if off and count are zero 3765 * -EACCES adapter over temp 3766 * -EPERM garbage can value to catch a multitude of errors 3767 * -EAGAIN management IO not permitted, state or off error 3768 * -ETIME mailbox timeout 3769 * -ENODEV mailbox error 3770 * count number of bytes transferred 3771 **/ 3772 static ssize_t 3773 sysfs_mbox_read(struct file *filp, struct kobject *kobj, 3774 struct bin_attribute *bin_attr, 3775 char *buf, loff_t off, size_t count) 3776 { 3777 struct device *dev = container_of(kobj, struct device, kobj); 3778 struct Scsi_Host *shost = class_to_shost(dev); 3779 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3780 struct lpfc_hba *phba = vport->phba; 3781 int rc; 3782 MAILBOX_t *pmb; 3783 3784 if (off > MAILBOX_CMD_SIZE) 3785 return -ERANGE; 3786 3787 if ((count + off) > MAILBOX_CMD_SIZE) 3788 count = MAILBOX_CMD_SIZE - off; 3789 3790 if (off % 4 || count % 4 || (unsigned long)buf % 4) 3791 return -EINVAL; 3792 3793 if (off && count == 0) 3794 return 0; 3795 3796 spin_lock_irq(&phba->hbalock); 3797 3798 if (phba->over_temp_state == HBA_OVER_TEMP) { 3799 sysfs_mbox_idle(phba); 3800 spin_unlock_irq(&phba->hbalock); 3801 return -EACCES; 3802 } 3803 3804 if (off == 0 && 3805 phba->sysfs_mbox.state == SMBOX_WRITING && 3806 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { 3807 pmb = &phba->sysfs_mbox.mbox->u.mb; 3808 switch (pmb->mbxCommand) { 3809 /* Offline only */ 3810 case MBX_INIT_LINK: 3811 case MBX_DOWN_LINK: 3812 case MBX_CONFIG_LINK: 3813 case MBX_CONFIG_RING: 3814 case MBX_RESET_RING: 3815 case MBX_UNREG_LOGIN: 3816 case MBX_CLEAR_LA: 3817 case MBX_DUMP_CONTEXT: 3818 case MBX_RUN_DIAGS: 3819 case MBX_RESTART: 3820 case MBX_SET_MASK: 3821 case MBX_SET_DEBUG: 3822 if (!(vport->fc_flag & FC_OFFLINE_MODE)) { 3823 printk(KERN_WARNING "mbox_read:Command 0x%x " 3824 "is illegal in on-line state\n", 3825 pmb->mbxCommand); 3826 sysfs_mbox_idle(phba); 3827 spin_unlock_irq(&phba->hbalock); 3828 return -EPERM; 3829 } 3830 case MBX_WRITE_NV: 3831 case MBX_WRITE_VPARMS: 3832 case MBX_LOAD_SM: 3833 case MBX_READ_NV: 3834 case MBX_READ_CONFIG: 3835 case MBX_READ_RCONFIG: 3836 case MBX_READ_STATUS: 3837 case MBX_READ_XRI: 3838 case MBX_READ_REV: 3839 case MBX_READ_LNK_STAT: 3840 case MBX_DUMP_MEMORY: 3841 case MBX_DOWN_LOAD: 3842 case MBX_UPDATE_CFG: 3843 case MBX_KILL_BOARD: 3844 case MBX_LOAD_AREA: 3845 case MBX_LOAD_EXP_ROM: 3846 case MBX_BEACON: 3847 case MBX_DEL_LD_ENTRY: 3848 case MBX_SET_VARIABLE: 3849 case MBX_WRITE_WWN: 3850 case MBX_PORT_CAPABILITIES: 3851 case MBX_PORT_IOV_CONTROL: 3852 break; 3853 case MBX_SECURITY_MGMT: 3854 case MBX_AUTH_PORT: 3855 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { 3856 printk(KERN_WARNING "mbox_read:Command 0x%x " 3857 "is not permitted\n", pmb->mbxCommand); 3858 sysfs_mbox_idle(phba); 3859 spin_unlock_irq(&phba->hbalock); 3860 return -EPERM; 3861 } 3862 break; 3863 case MBX_READ_SPARM64: 3864 case MBX_READ_TOPOLOGY: 3865 case MBX_REG_LOGIN: 3866 case MBX_REG_LOGIN64: 3867 case MBX_CONFIG_PORT: 3868 case MBX_RUN_BIU_DIAG: 3869 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", 3870 pmb->mbxCommand); 3871 sysfs_mbox_idle(phba); 3872 spin_unlock_irq(&phba->hbalock); 3873 return -EPERM; 3874 default: 3875 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", 3876 pmb->mbxCommand); 3877 sysfs_mbox_idle(phba); 3878 spin_unlock_irq(&phba->hbalock); 3879 return -EPERM; 3880 } 3881 3882 /* If HBA encountered an error attention, allow only DUMP 3883 * or RESTART mailbox commands until the HBA is restarted. 3884 */ 3885 if (phba->pport->stopped && 3886 pmb->mbxCommand != MBX_DUMP_MEMORY && 3887 pmb->mbxCommand != MBX_RESTART && 3888 pmb->mbxCommand != MBX_WRITE_VPARMS && 3889 pmb->mbxCommand != MBX_WRITE_WWN) 3890 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 3891 "1259 mbox: Issued mailbox cmd " 3892 "0x%x while in stopped state.\n", 3893 pmb->mbxCommand); 3894 3895 phba->sysfs_mbox.mbox->vport = vport; 3896 3897 /* Don't allow mailbox commands to be sent when blocked 3898 * or when in the middle of discovery 3899 */ 3900 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { 3901 sysfs_mbox_idle(phba); 3902 spin_unlock_irq(&phba->hbalock); 3903 return -EAGAIN; 3904 } 3905 3906 if ((vport->fc_flag & FC_OFFLINE_MODE) || 3907 (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { 3908 3909 spin_unlock_irq(&phba->hbalock); 3910 rc = lpfc_sli_issue_mbox (phba, 3911 phba->sysfs_mbox.mbox, 3912 MBX_POLL); 3913 spin_lock_irq(&phba->hbalock); 3914 3915 } else { 3916 spin_unlock_irq(&phba->hbalock); 3917 rc = lpfc_sli_issue_mbox_wait (phba, 3918 phba->sysfs_mbox.mbox, 3919 lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); 3920 spin_lock_irq(&phba->hbalock); 3921 } 3922 3923 if (rc != MBX_SUCCESS) { 3924 if (rc == MBX_TIMEOUT) { 3925 phba->sysfs_mbox.mbox = NULL; 3926 } 3927 sysfs_mbox_idle(phba); 3928 spin_unlock_irq(&phba->hbalock); 3929 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; 3930 } 3931 phba->sysfs_mbox.state = SMBOX_READING; 3932 } 3933 else if (phba->sysfs_mbox.offset != off || 3934 phba->sysfs_mbox.state != SMBOX_READING) { 3935 printk(KERN_WARNING "mbox_read: Bad State\n"); 3936 sysfs_mbox_idle(phba); 3937 spin_unlock_irq(&phba->hbalock); 3938 return -EAGAIN; 3939 } 3940 3941 memcpy(buf, (uint8_t *) &pmb + off, count); 3942 3943 phba->sysfs_mbox.offset = off + count; 3944 3945 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) 3946 sysfs_mbox_idle(phba); 3947 3948 spin_unlock_irq(&phba->hbalock); 3949 3950 return count; 3951 } 3952 3953 static struct bin_attribute sysfs_mbox_attr = { 3954 .attr = { 3955 .name = "mbox", 3956 .mode = S_IRUSR | S_IWUSR, 3957 }, 3958 .size = MAILBOX_CMD_SIZE, 3959 .read = sysfs_mbox_read, 3960 .write = sysfs_mbox_write, 3961 }; 3962 3963 /** 3964 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries 3965 * @vport: address of lpfc vport structure. 3966 * 3967 * Return codes: 3968 * zero on success 3969 * error return code from sysfs_create_bin_file() 3970 **/ 3971 int 3972 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) 3973 { 3974 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3975 int error; 3976 3977 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3978 &sysfs_drvr_stat_data_attr); 3979 3980 /* Virtual ports do not need ctrl_reg and mbox */ 3981 if (error || vport->port_type == LPFC_NPIV_PORT) 3982 goto out; 3983 3984 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3985 &sysfs_ctlreg_attr); 3986 if (error) 3987 goto out_remove_stat_attr; 3988 3989 error = sysfs_create_bin_file(&shost->shost_dev.kobj, 3990 &sysfs_mbox_attr); 3991 if (error) 3992 goto out_remove_ctlreg_attr; 3993 3994 return 0; 3995 out_remove_ctlreg_attr: 3996 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); 3997 out_remove_stat_attr: 3998 sysfs_remove_bin_file(&shost->shost_dev.kobj, 3999 &sysfs_drvr_stat_data_attr); 4000 out: 4001 return error; 4002 } 4003 4004 /** 4005 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries 4006 * @vport: address of lpfc vport structure. 4007 **/ 4008 void 4009 lpfc_free_sysfs_attr(struct lpfc_vport *vport) 4010 { 4011 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 4012 sysfs_remove_bin_file(&shost->shost_dev.kobj, 4013 &sysfs_drvr_stat_data_attr); 4014 /* Virtual ports do not need ctrl_reg and mbox */ 4015 if (vport->port_type == LPFC_NPIV_PORT) 4016 return; 4017 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); 4018 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); 4019 } 4020 4021 4022 /* 4023 * Dynamic FC Host Attributes Support 4024 */ 4025 4026 /** 4027 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id 4028 * @shost: kernel scsi host pointer. 4029 **/ 4030 static void 4031 lpfc_get_host_port_id(struct Scsi_Host *shost) 4032 { 4033 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4034 4035 /* note: fc_myDID already in cpu endianness */ 4036 fc_host_port_id(shost) = vport->fc_myDID; 4037 } 4038 4039 /** 4040 * lpfc_get_host_port_type - Set the value of the scsi host port type 4041 * @shost: kernel scsi host pointer. 4042 **/ 4043 static void 4044 lpfc_get_host_port_type(struct Scsi_Host *shost) 4045 { 4046 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4047 struct lpfc_hba *phba = vport->phba; 4048 4049 spin_lock_irq(shost->host_lock); 4050 4051 if (vport->port_type == LPFC_NPIV_PORT) { 4052 fc_host_port_type(shost) = FC_PORTTYPE_NPIV; 4053 } else if (lpfc_is_link_up(phba)) { 4054 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { 4055 if (vport->fc_flag & FC_PUBLIC_LOOP) 4056 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; 4057 else 4058 fc_host_port_type(shost) = FC_PORTTYPE_LPORT; 4059 } else { 4060 if (vport->fc_flag & FC_FABRIC) 4061 fc_host_port_type(shost) = FC_PORTTYPE_NPORT; 4062 else 4063 fc_host_port_type(shost) = FC_PORTTYPE_PTP; 4064 } 4065 } else 4066 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; 4067 4068 spin_unlock_irq(shost->host_lock); 4069 } 4070 4071 /** 4072 * lpfc_get_host_port_state - Set the value of the scsi host port state 4073 * @shost: kernel scsi host pointer. 4074 **/ 4075 static void 4076 lpfc_get_host_port_state(struct Scsi_Host *shost) 4077 { 4078 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4079 struct lpfc_hba *phba = vport->phba; 4080 4081 spin_lock_irq(shost->host_lock); 4082 4083 if (vport->fc_flag & FC_OFFLINE_MODE) 4084 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; 4085 else { 4086 switch (phba->link_state) { 4087 case LPFC_LINK_UNKNOWN: 4088 case LPFC_LINK_DOWN: 4089 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; 4090 break; 4091 case LPFC_LINK_UP: 4092 case LPFC_CLEAR_LA: 4093 case LPFC_HBA_READY: 4094 /* Links up, beyond this port_type reports state */ 4095 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; 4096 break; 4097 case LPFC_HBA_ERROR: 4098 fc_host_port_state(shost) = FC_PORTSTATE_ERROR; 4099 break; 4100 default: 4101 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; 4102 break; 4103 } 4104 } 4105 4106 spin_unlock_irq(shost->host_lock); 4107 } 4108 4109 /** 4110 * lpfc_get_host_speed - Set the value of the scsi host speed 4111 * @shost: kernel scsi host pointer. 4112 **/ 4113 static void 4114 lpfc_get_host_speed(struct Scsi_Host *shost) 4115 { 4116 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4117 struct lpfc_hba *phba = vport->phba; 4118 4119 spin_lock_irq(shost->host_lock); 4120 4121 if (lpfc_is_link_up(phba)) { 4122 switch(phba->fc_linkspeed) { 4123 case LPFC_LINK_SPEED_1GHZ: 4124 fc_host_speed(shost) = FC_PORTSPEED_1GBIT; 4125 break; 4126 case LPFC_LINK_SPEED_2GHZ: 4127 fc_host_speed(shost) = FC_PORTSPEED_2GBIT; 4128 break; 4129 case LPFC_LINK_SPEED_4GHZ: 4130 fc_host_speed(shost) = FC_PORTSPEED_4GBIT; 4131 break; 4132 case LPFC_LINK_SPEED_8GHZ: 4133 fc_host_speed(shost) = FC_PORTSPEED_8GBIT; 4134 break; 4135 case LPFC_LINK_SPEED_10GHZ: 4136 fc_host_speed(shost) = FC_PORTSPEED_10GBIT; 4137 break; 4138 case LPFC_LINK_SPEED_16GHZ: 4139 fc_host_speed(shost) = FC_PORTSPEED_16GBIT; 4140 break; 4141 default: 4142 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; 4143 break; 4144 } 4145 } else 4146 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; 4147 4148 spin_unlock_irq(shost->host_lock); 4149 } 4150 4151 /** 4152 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name 4153 * @shost: kernel scsi host pointer. 4154 **/ 4155 static void 4156 lpfc_get_host_fabric_name (struct Scsi_Host *shost) 4157 { 4158 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4159 struct lpfc_hba *phba = vport->phba; 4160 u64 node_name; 4161 4162 spin_lock_irq(shost->host_lock); 4163 4164 if ((vport->fc_flag & FC_FABRIC) || 4165 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && 4166 (vport->fc_flag & FC_PUBLIC_LOOP))) 4167 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); 4168 else 4169 /* fabric is local port if there is no F/FL_Port */ 4170 node_name = 0; 4171 4172 spin_unlock_irq(shost->host_lock); 4173 4174 fc_host_fabric_name(shost) = node_name; 4175 } 4176 4177 /** 4178 * lpfc_get_stats - Return statistical information about the adapter 4179 * @shost: kernel scsi host pointer. 4180 * 4181 * Notes: 4182 * NULL on error for link down, no mbox pool, sli2 active, 4183 * management not allowed, memory allocation error, or mbox error. 4184 * 4185 * Returns: 4186 * NULL for error 4187 * address of the adapter host statistics 4188 **/ 4189 static struct fc_host_statistics * 4190 lpfc_get_stats(struct Scsi_Host *shost) 4191 { 4192 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4193 struct lpfc_hba *phba = vport->phba; 4194 struct lpfc_sli *psli = &phba->sli; 4195 struct fc_host_statistics *hs = &phba->link_stats; 4196 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; 4197 LPFC_MBOXQ_t *pmboxq; 4198 MAILBOX_t *pmb; 4199 unsigned long seconds; 4200 int rc = 0; 4201 4202 /* 4203 * prevent udev from issuing mailbox commands until the port is 4204 * configured. 4205 */ 4206 if (phba->link_state < LPFC_LINK_DOWN || 4207 !phba->mbox_mem_pool || 4208 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) 4209 return NULL; 4210 4211 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 4212 return NULL; 4213 4214 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4215 if (!pmboxq) 4216 return NULL; 4217 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 4218 4219 pmb = &pmboxq->u.mb; 4220 pmb->mbxCommand = MBX_READ_STATUS; 4221 pmb->mbxOwner = OWN_HOST; 4222 pmboxq->context1 = NULL; 4223 pmboxq->vport = vport; 4224 4225 if (vport->fc_flag & FC_OFFLINE_MODE) 4226 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4227 else 4228 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4229 4230 if (rc != MBX_SUCCESS) { 4231 if (rc != MBX_TIMEOUT) 4232 mempool_free(pmboxq, phba->mbox_mem_pool); 4233 return NULL; 4234 } 4235 4236 memset(hs, 0, sizeof (struct fc_host_statistics)); 4237 4238 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; 4239 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); 4240 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; 4241 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); 4242 4243 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); 4244 pmb->mbxCommand = MBX_READ_LNK_STAT; 4245 pmb->mbxOwner = OWN_HOST; 4246 pmboxq->context1 = NULL; 4247 pmboxq->vport = vport; 4248 4249 if (vport->fc_flag & FC_OFFLINE_MODE) 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 NULL; 4258 } 4259 4260 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; 4261 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; 4262 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; 4263 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; 4264 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; 4265 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; 4266 hs->error_frames = pmb->un.varRdLnk.crcCnt; 4267 4268 hs->link_failure_count -= lso->link_failure_count; 4269 hs->loss_of_sync_count -= lso->loss_of_sync_count; 4270 hs->loss_of_signal_count -= lso->loss_of_signal_count; 4271 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; 4272 hs->invalid_tx_word_count -= lso->invalid_tx_word_count; 4273 hs->invalid_crc_count -= lso->invalid_crc_count; 4274 hs->error_frames -= lso->error_frames; 4275 4276 if (phba->hba_flag & HBA_FCOE_MODE) { 4277 hs->lip_count = -1; 4278 hs->nos_count = (phba->link_events >> 1); 4279 hs->nos_count -= lso->link_events; 4280 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { 4281 hs->lip_count = (phba->fc_eventTag >> 1); 4282 hs->lip_count -= lso->link_events; 4283 hs->nos_count = -1; 4284 } else { 4285 hs->lip_count = -1; 4286 hs->nos_count = (phba->fc_eventTag >> 1); 4287 hs->nos_count -= lso->link_events; 4288 } 4289 4290 hs->dumped_frames = -1; 4291 4292 seconds = get_seconds(); 4293 if (seconds < psli->stats_start) 4294 hs->seconds_since_last_reset = seconds + 4295 ((unsigned long)-1 - psli->stats_start); 4296 else 4297 hs->seconds_since_last_reset = seconds - psli->stats_start; 4298 4299 mempool_free(pmboxq, phba->mbox_mem_pool); 4300 4301 return hs; 4302 } 4303 4304 /** 4305 * lpfc_reset_stats - Copy the adapter link stats information 4306 * @shost: kernel scsi host pointer. 4307 **/ 4308 static void 4309 lpfc_reset_stats(struct Scsi_Host *shost) 4310 { 4311 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4312 struct lpfc_hba *phba = vport->phba; 4313 struct lpfc_sli *psli = &phba->sli; 4314 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; 4315 LPFC_MBOXQ_t *pmboxq; 4316 MAILBOX_t *pmb; 4317 int rc = 0; 4318 4319 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) 4320 return; 4321 4322 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4323 if (!pmboxq) 4324 return; 4325 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); 4326 4327 pmb = &pmboxq->u.mb; 4328 pmb->mbxCommand = MBX_READ_STATUS; 4329 pmb->mbxOwner = OWN_HOST; 4330 pmb->un.varWords[0] = 0x1; /* reset request */ 4331 pmboxq->context1 = NULL; 4332 pmboxq->vport = vport; 4333 4334 if ((vport->fc_flag & FC_OFFLINE_MODE) || 4335 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) 4336 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4337 else 4338 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4339 4340 if (rc != MBX_SUCCESS) { 4341 if (rc != MBX_TIMEOUT) 4342 mempool_free(pmboxq, phba->mbox_mem_pool); 4343 return; 4344 } 4345 4346 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); 4347 pmb->mbxCommand = MBX_READ_LNK_STAT; 4348 pmb->mbxOwner = OWN_HOST; 4349 pmboxq->context1 = NULL; 4350 pmboxq->vport = vport; 4351 4352 if ((vport->fc_flag & FC_OFFLINE_MODE) || 4353 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) 4354 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); 4355 else 4356 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); 4357 4358 if (rc != MBX_SUCCESS) { 4359 if (rc != MBX_TIMEOUT) 4360 mempool_free( pmboxq, phba->mbox_mem_pool); 4361 return; 4362 } 4363 4364 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; 4365 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; 4366 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; 4367 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; 4368 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; 4369 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; 4370 lso->error_frames = pmb->un.varRdLnk.crcCnt; 4371 if (phba->hba_flag & HBA_FCOE_MODE) 4372 lso->link_events = (phba->link_events >> 1); 4373 else 4374 lso->link_events = (phba->fc_eventTag >> 1); 4375 4376 psli->stats_start = get_seconds(); 4377 4378 mempool_free(pmboxq, phba->mbox_mem_pool); 4379 4380 return; 4381 } 4382 4383 /* 4384 * The LPFC driver treats linkdown handling as target loss events so there 4385 * are no sysfs handlers for link_down_tmo. 4386 */ 4387 4388 /** 4389 * lpfc_get_node_by_target - Return the nodelist for a target 4390 * @starget: kernel scsi target pointer. 4391 * 4392 * Returns: 4393 * address of the node list if found 4394 * NULL target not found 4395 **/ 4396 static struct lpfc_nodelist * 4397 lpfc_get_node_by_target(struct scsi_target *starget) 4398 { 4399 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 4400 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 4401 struct lpfc_nodelist *ndlp; 4402 4403 spin_lock_irq(shost->host_lock); 4404 /* Search for this, mapped, target ID */ 4405 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 4406 if (NLP_CHK_NODE_ACT(ndlp) && 4407 ndlp->nlp_state == NLP_STE_MAPPED_NODE && 4408 starget->id == ndlp->nlp_sid) { 4409 spin_unlock_irq(shost->host_lock); 4410 return ndlp; 4411 } 4412 } 4413 spin_unlock_irq(shost->host_lock); 4414 return NULL; 4415 } 4416 4417 /** 4418 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 4419 * @starget: kernel scsi target pointer. 4420 **/ 4421 static void 4422 lpfc_get_starget_port_id(struct scsi_target *starget) 4423 { 4424 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4425 4426 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; 4427 } 4428 4429 /** 4430 * lpfc_get_starget_node_name - Set the target node name 4431 * @starget: kernel scsi target pointer. 4432 * 4433 * Description: Set the target node name to the ndlp node name wwn or zero. 4434 **/ 4435 static void 4436 lpfc_get_starget_node_name(struct scsi_target *starget) 4437 { 4438 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4439 4440 fc_starget_node_name(starget) = 4441 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; 4442 } 4443 4444 /** 4445 * lpfc_get_starget_port_name - Set the target port name 4446 * @starget: kernel scsi target pointer. 4447 * 4448 * Description: set the target port name to the ndlp port name wwn or zero. 4449 **/ 4450 static void 4451 lpfc_get_starget_port_name(struct scsi_target *starget) 4452 { 4453 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); 4454 4455 fc_starget_port_name(starget) = 4456 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; 4457 } 4458 4459 /** 4460 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo 4461 * @rport: fc rport address. 4462 * @timeout: new value for dev loss tmo. 4463 * 4464 * Description: 4465 * If timeout is non zero set the dev_loss_tmo to timeout, else set 4466 * dev_loss_tmo to one. 4467 **/ 4468 static void 4469 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) 4470 { 4471 if (timeout) 4472 rport->dev_loss_tmo = timeout; 4473 else 4474 rport->dev_loss_tmo = 1; 4475 } 4476 4477 /** 4478 * lpfc_rport_show_function - Return rport target information 4479 * 4480 * Description: 4481 * Macro that uses field to generate a function with the name lpfc_show_rport_ 4482 * 4483 * lpfc_show_rport_##field: returns the bytes formatted in buf 4484 * @cdev: class converted to an fc_rport. 4485 * @buf: on return contains the target_field or zero. 4486 * 4487 * Returns: size of formatted string. 4488 **/ 4489 #define lpfc_rport_show_function(field, format_string, sz, cast) \ 4490 static ssize_t \ 4491 lpfc_show_rport_##field (struct device *dev, \ 4492 struct device_attribute *attr, \ 4493 char *buf) \ 4494 { \ 4495 struct fc_rport *rport = transport_class_to_rport(dev); \ 4496 struct lpfc_rport_data *rdata = rport->hostdata; \ 4497 return snprintf(buf, sz, format_string, \ 4498 (rdata->target) ? cast rdata->target->field : 0); \ 4499 } 4500 4501 #define lpfc_rport_rd_attr(field, format_string, sz) \ 4502 lpfc_rport_show_function(field, format_string, sz, ) \ 4503 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) 4504 4505 /** 4506 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name 4507 * @fc_vport: The fc_vport who's symbolic name has been changed. 4508 * 4509 * Description: 4510 * This function is called by the transport after the @fc_vport's symbolic name 4511 * has been changed. This function re-registers the symbolic name with the 4512 * switch to propogate the change into the fabric if the vport is active. 4513 **/ 4514 static void 4515 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) 4516 { 4517 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; 4518 4519 if (vport->port_state == LPFC_VPORT_READY) 4520 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); 4521 } 4522 4523 /** 4524 * lpfc_hba_log_verbose_init - Set hba's log verbose level 4525 * @phba: Pointer to lpfc_hba struct. 4526 * 4527 * This function is called by the lpfc_get_cfgparam() routine to set the 4528 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with 4529 * log messsage according to the module's lpfc_log_verbose parameter setting 4530 * before hba port or vport created. 4531 **/ 4532 static void 4533 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) 4534 { 4535 phba->cfg_log_verbose = verbose; 4536 } 4537 4538 struct fc_function_template lpfc_transport_functions = { 4539 /* fixed attributes the driver supports */ 4540 .show_host_node_name = 1, 4541 .show_host_port_name = 1, 4542 .show_host_supported_classes = 1, 4543 .show_host_supported_fc4s = 1, 4544 .show_host_supported_speeds = 1, 4545 .show_host_maxframe_size = 1, 4546 .show_host_symbolic_name = 1, 4547 4548 /* dynamic attributes the driver supports */ 4549 .get_host_port_id = lpfc_get_host_port_id, 4550 .show_host_port_id = 1, 4551 4552 .get_host_port_type = lpfc_get_host_port_type, 4553 .show_host_port_type = 1, 4554 4555 .get_host_port_state = lpfc_get_host_port_state, 4556 .show_host_port_state = 1, 4557 4558 /* active_fc4s is shown but doesn't change (thus no get function) */ 4559 .show_host_active_fc4s = 1, 4560 4561 .get_host_speed = lpfc_get_host_speed, 4562 .show_host_speed = 1, 4563 4564 .get_host_fabric_name = lpfc_get_host_fabric_name, 4565 .show_host_fabric_name = 1, 4566 4567 /* 4568 * The LPFC driver treats linkdown handling as target loss events 4569 * so there are no sysfs handlers for link_down_tmo. 4570 */ 4571 4572 .get_fc_host_stats = lpfc_get_stats, 4573 .reset_fc_host_stats = lpfc_reset_stats, 4574 4575 .dd_fcrport_size = sizeof(struct lpfc_rport_data), 4576 .show_rport_maxframe_size = 1, 4577 .show_rport_supported_classes = 1, 4578 4579 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, 4580 .show_rport_dev_loss_tmo = 1, 4581 4582 .get_starget_port_id = lpfc_get_starget_port_id, 4583 .show_starget_port_id = 1, 4584 4585 .get_starget_node_name = lpfc_get_starget_node_name, 4586 .show_starget_node_name = 1, 4587 4588 .get_starget_port_name = lpfc_get_starget_port_name, 4589 .show_starget_port_name = 1, 4590 4591 .issue_fc_host_lip = lpfc_issue_lip, 4592 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, 4593 .terminate_rport_io = lpfc_terminate_rport_io, 4594 4595 .dd_fcvport_size = sizeof(struct lpfc_vport *), 4596 4597 .vport_disable = lpfc_vport_disable, 4598 4599 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, 4600 4601 .bsg_request = lpfc_bsg_request, 4602 .bsg_timeout = lpfc_bsg_timeout, 4603 }; 4604 4605 struct fc_function_template lpfc_vport_transport_functions = { 4606 /* fixed attributes the driver supports */ 4607 .show_host_node_name = 1, 4608 .show_host_port_name = 1, 4609 .show_host_supported_classes = 1, 4610 .show_host_supported_fc4s = 1, 4611 .show_host_supported_speeds = 1, 4612 .show_host_maxframe_size = 1, 4613 .show_host_symbolic_name = 1, 4614 4615 /* dynamic attributes the driver supports */ 4616 .get_host_port_id = lpfc_get_host_port_id, 4617 .show_host_port_id = 1, 4618 4619 .get_host_port_type = lpfc_get_host_port_type, 4620 .show_host_port_type = 1, 4621 4622 .get_host_port_state = lpfc_get_host_port_state, 4623 .show_host_port_state = 1, 4624 4625 /* active_fc4s is shown but doesn't change (thus no get function) */ 4626 .show_host_active_fc4s = 1, 4627 4628 .get_host_speed = lpfc_get_host_speed, 4629 .show_host_speed = 1, 4630 4631 .get_host_fabric_name = lpfc_get_host_fabric_name, 4632 .show_host_fabric_name = 1, 4633 4634 /* 4635 * The LPFC driver treats linkdown handling as target loss events 4636 * so there are no sysfs handlers for link_down_tmo. 4637 */ 4638 4639 .get_fc_host_stats = lpfc_get_stats, 4640 .reset_fc_host_stats = lpfc_reset_stats, 4641 4642 .dd_fcrport_size = sizeof(struct lpfc_rport_data), 4643 .show_rport_maxframe_size = 1, 4644 .show_rport_supported_classes = 1, 4645 4646 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, 4647 .show_rport_dev_loss_tmo = 1, 4648 4649 .get_starget_port_id = lpfc_get_starget_port_id, 4650 .show_starget_port_id = 1, 4651 4652 .get_starget_node_name = lpfc_get_starget_node_name, 4653 .show_starget_node_name = 1, 4654 4655 .get_starget_port_name = lpfc_get_starget_port_name, 4656 .show_starget_port_name = 1, 4657 4658 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, 4659 .terminate_rport_io = lpfc_terminate_rport_io, 4660 4661 .vport_disable = lpfc_vport_disable, 4662 4663 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, 4664 }; 4665 4666 /** 4667 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure 4668 * @phba: lpfc_hba pointer. 4669 **/ 4670 void 4671 lpfc_get_cfgparam(struct lpfc_hba *phba) 4672 { 4673 lpfc_cr_delay_init(phba, lpfc_cr_delay); 4674 lpfc_cr_count_init(phba, lpfc_cr_count); 4675 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); 4676 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); 4677 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); 4678 lpfc_ack0_init(phba, lpfc_ack0); 4679 lpfc_topology_init(phba, lpfc_topology); 4680 lpfc_link_speed_init(phba, lpfc_link_speed); 4681 lpfc_poll_tmo_init(phba, lpfc_poll_tmo); 4682 lpfc_enable_npiv_init(phba, lpfc_enable_npiv); 4683 lpfc_enable_rrq_init(phba, lpfc_enable_rrq); 4684 lpfc_use_msi_init(phba, lpfc_use_msi); 4685 lpfc_fcp_imax_init(phba, lpfc_fcp_imax); 4686 lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); 4687 lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); 4688 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); 4689 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); 4690 lpfc_enable_bg_init(phba, lpfc_enable_bg); 4691 if (phba->sli_rev == LPFC_SLI_REV4) 4692 phba->cfg_poll = 0; 4693 else 4694 phba->cfg_poll = lpfc_poll; 4695 phba->cfg_soft_wwnn = 0L; 4696 phba->cfg_soft_wwpn = 0L; 4697 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); 4698 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); 4699 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); 4700 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); 4701 lpfc_aer_support_init(phba, lpfc_aer_support); 4702 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); 4703 lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); 4704 phba->cfg_enable_dss = 1; 4705 return; 4706 } 4707 4708 /** 4709 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure 4710 * @vport: lpfc_vport pointer. 4711 **/ 4712 void 4713 lpfc_get_vport_cfgparam(struct lpfc_vport *vport) 4714 { 4715 lpfc_log_verbose_init(vport, lpfc_log_verbose); 4716 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); 4717 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); 4718 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); 4719 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); 4720 lpfc_peer_port_login_init(vport, lpfc_peer_port_login); 4721 lpfc_restrict_login_init(vport, lpfc_restrict_login); 4722 lpfc_fcp_class_init(vport, lpfc_fcp_class); 4723 lpfc_use_adisc_init(vport, lpfc_use_adisc); 4724 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); 4725 lpfc_fdmi_on_init(vport, lpfc_fdmi_on); 4726 lpfc_discovery_threads_init(vport, lpfc_discovery_threads); 4727 lpfc_max_luns_init(vport, lpfc_max_luns); 4728 lpfc_scan_down_init(vport, lpfc_scan_down); 4729 lpfc_enable_da_id_init(vport, lpfc_enable_da_id); 4730 return; 4731 } 4732