1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2015 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/blkdev.h> 23 #include <linux/pci.h> 24 #include <linux/slab.h> 25 #include <linux/interrupt.h> 26 27 #include <scsi/scsi_device.h> 28 #include <scsi/scsi_transport_fc.h> 29 #include <scsi/scsi.h> 30 #include <scsi/fc/fc_fs.h> 31 32 #include "lpfc_hw4.h" 33 #include "lpfc_hw.h" 34 #include "lpfc_sli.h" 35 #include "lpfc_sli4.h" 36 #include "lpfc_nl.h" 37 #include "lpfc_disc.h" 38 #include "lpfc_scsi.h" 39 #include "lpfc.h" 40 #include "lpfc_logmsg.h" 41 #include "lpfc_crtn.h" 42 #include "lpfc_compat.h" 43 44 /** 45 * lpfc_dump_static_vport - Dump HBA's static vport information. 46 * @phba: pointer to lpfc hba data structure. 47 * @pmb: pointer to the driver internal queue element for mailbox command. 48 * @offset: offset for dumping vport info. 49 * 50 * The dump mailbox command provides a method for the device driver to obtain 51 * various types of information from the HBA device. 52 * 53 * This routine prepares the mailbox command for dumping list of static 54 * vports to be created. 55 **/ 56 int 57 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 58 uint16_t offset) 59 { 60 MAILBOX_t *mb; 61 struct lpfc_dmabuf *mp; 62 63 mb = &pmb->u.mb; 64 65 /* Setup to dump vport info region */ 66 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 67 mb->mbxCommand = MBX_DUMP_MEMORY; 68 mb->un.varDmp.type = DMP_NV_PARAMS; 69 mb->un.varDmp.entry_index = offset; 70 mb->un.varDmp.region_id = DMP_REGION_VPORT; 71 mb->mbxOwner = OWN_HOST; 72 73 /* For SLI3 HBAs data is embedded in mailbox */ 74 if (phba->sli_rev != LPFC_SLI_REV4) { 75 mb->un.varDmp.cv = 1; 76 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t); 77 return 0; 78 } 79 80 /* For SLI4 HBAs driver need to allocate memory */ 81 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 82 if (mp) 83 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 84 85 if (!mp || !mp->virt) { 86 kfree(mp); 87 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 88 "2605 lpfc_dump_static_vport: memory" 89 " allocation failed\n"); 90 return 1; 91 } 92 memset(mp->virt, 0, LPFC_BPL_SIZE); 93 INIT_LIST_HEAD(&mp->list); 94 /* save address for completion */ 95 pmb->context1 = (uint8_t *)mp; 96 mb->un.varWords[3] = putPaddrLow(mp->phys); 97 mb->un.varWords[4] = putPaddrHigh(mp->phys); 98 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info); 99 100 return 0; 101 } 102 103 /** 104 * lpfc_down_link - Bring down HBAs link. 105 * @phba: pointer to lpfc hba data structure. 106 * @pmb: pointer to the driver internal queue element for mailbox command. 107 * 108 * This routine prepares a mailbox command to bring down HBA link. 109 **/ 110 void 111 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 112 { 113 MAILBOX_t *mb; 114 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 115 mb = &pmb->u.mb; 116 mb->mbxCommand = MBX_DOWN_LINK; 117 mb->mbxOwner = OWN_HOST; 118 } 119 120 /** 121 * lpfc_dump_mem - Prepare a mailbox command for reading a region. 122 * @phba: pointer to lpfc hba data structure. 123 * @pmb: pointer to the driver internal queue element for mailbox command. 124 * @offset: offset into the region. 125 * @region_id: config region id. 126 * 127 * The dump mailbox command provides a method for the device driver to obtain 128 * various types of information from the HBA device. 129 * 130 * This routine prepares the mailbox command for dumping HBA's config region. 131 **/ 132 void 133 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset, 134 uint16_t region_id) 135 { 136 MAILBOX_t *mb; 137 void *ctx; 138 139 mb = &pmb->u.mb; 140 ctx = pmb->context2; 141 142 /* Setup to dump VPD region */ 143 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 144 mb->mbxCommand = MBX_DUMP_MEMORY; 145 mb->un.varDmp.cv = 1; 146 mb->un.varDmp.type = DMP_NV_PARAMS; 147 mb->un.varDmp.entry_index = offset; 148 mb->un.varDmp.region_id = region_id; 149 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); 150 mb->un.varDmp.co = 0; 151 mb->un.varDmp.resp_offset = 0; 152 pmb->context2 = ctx; 153 mb->mbxOwner = OWN_HOST; 154 return; 155 } 156 157 /** 158 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params 159 * @phba: pointer to lpfc hba data structure. 160 * @pmb: pointer to the driver internal queue element for mailbox command. 161 * 162 * This function create a dump memory mailbox command to dump wake up 163 * parameters. 164 */ 165 void 166 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 167 { 168 MAILBOX_t *mb; 169 void *ctx; 170 171 mb = &pmb->u.mb; 172 /* Save context so that we can restore after memset */ 173 ctx = pmb->context2; 174 175 /* Setup to dump VPD region */ 176 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 177 mb->mbxCommand = MBX_DUMP_MEMORY; 178 mb->mbxOwner = OWN_HOST; 179 mb->un.varDmp.cv = 1; 180 mb->un.varDmp.type = DMP_NV_PARAMS; 181 if (phba->sli_rev < LPFC_SLI_REV4) 182 mb->un.varDmp.entry_index = 0; 183 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; 184 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; 185 mb->un.varDmp.co = 0; 186 mb->un.varDmp.resp_offset = 0; 187 pmb->context2 = ctx; 188 return; 189 } 190 191 /** 192 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param 193 * @phba: pointer to lpfc hba data structure. 194 * @pmb: pointer to the driver internal queue element for mailbox command. 195 * 196 * The read NVRAM mailbox command returns the HBA's non-volatile parameters 197 * that are used as defaults when the Fibre Channel link is brought on-line. 198 * 199 * This routine prepares the mailbox command for reading information stored 200 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. 201 **/ 202 void 203 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 204 { 205 MAILBOX_t *mb; 206 207 mb = &pmb->u.mb; 208 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 209 mb->mbxCommand = MBX_READ_NV; 210 mb->mbxOwner = OWN_HOST; 211 return; 212 } 213 214 /** 215 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event 216 * @phba: pointer to lpfc hba data structure. 217 * @pmb: pointer to the driver internal queue element for mailbox command. 218 * @ring: ring number for the asynchronous event to be configured. 219 * 220 * The asynchronous event enable mailbox command is used to enable the 221 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and 222 * specifies the default ring to which events are posted. 223 * 224 * This routine prepares the mailbox command for enabling HBA asynchronous 225 * event support on a IOCB ring. 226 **/ 227 void 228 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, 229 uint32_t ring) 230 { 231 MAILBOX_t *mb; 232 233 mb = &pmb->u.mb; 234 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 235 mb->mbxCommand = MBX_ASYNCEVT_ENABLE; 236 mb->un.varCfgAsyncEvent.ring = ring; 237 mb->mbxOwner = OWN_HOST; 238 return; 239 } 240 241 /** 242 * lpfc_heart_beat - Prepare a mailbox command for heart beat 243 * @phba: pointer to lpfc hba data structure. 244 * @pmb: pointer to the driver internal queue element for mailbox command. 245 * 246 * The heart beat mailbox command is used to detect an unresponsive HBA, which 247 * is defined as any device where no error attention is sent and both mailbox 248 * and rings are not processed. 249 * 250 * This routine prepares the mailbox command for issuing a heart beat in the 251 * form of mailbox command to the HBA. The timely completion of the heart 252 * beat mailbox command indicates the health of the HBA. 253 **/ 254 void 255 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 256 { 257 MAILBOX_t *mb; 258 259 mb = &pmb->u.mb; 260 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 261 mb->mbxCommand = MBX_HEARTBEAT; 262 mb->mbxOwner = OWN_HOST; 263 return; 264 } 265 266 /** 267 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology 268 * @phba: pointer to lpfc hba data structure. 269 * @pmb: pointer to the driver internal queue element for mailbox command. 270 * @mp: DMA buffer memory for reading the link attention information into. 271 * 272 * The read topology mailbox command is issued to read the link topology 273 * information indicated by the HBA port when the Link Event bit of the Host 274 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link 275 * Attention ACQE is received from the port (For SLI-4). A Link Event 276 * Attention occurs based on an exception detected at the Fibre Channel link 277 * interface. 278 * 279 * This routine prepares the mailbox command for reading HBA link topology 280 * information. A DMA memory has been set aside and address passed to the 281 * HBA through @mp for the HBA to DMA link attention information into the 282 * memory as part of the execution of the mailbox command. 283 * 284 * Return codes 285 * 0 - Success (currently always return 0) 286 **/ 287 int 288 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 289 struct lpfc_dmabuf *mp) 290 { 291 MAILBOX_t *mb; 292 293 mb = &pmb->u.mb; 294 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 295 296 INIT_LIST_HEAD(&mp->list); 297 mb->mbxCommand = MBX_READ_TOPOLOGY; 298 mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE; 299 mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys); 300 mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys); 301 302 /* Save address for later completion and set the owner to host so that 303 * the FW knows this mailbox is available for processing. 304 */ 305 pmb->context1 = (uint8_t *)mp; 306 mb->mbxOwner = OWN_HOST; 307 return (0); 308 } 309 310 /** 311 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention 312 * @phba: pointer to lpfc hba data structure. 313 * @pmb: pointer to the driver internal queue element for mailbox command. 314 * 315 * The clear link attention mailbox command is issued to clear the link event 316 * attention condition indicated by the Link Event bit of the Host Attention 317 * (HSTATT) register. The link event attention condition is cleared only if 318 * the event tag specified matches that of the current link event counter. 319 * The current event tag is read using the read link attention event mailbox 320 * command. 321 * 322 * This routine prepares the mailbox command for clearing HBA link attention 323 * information. 324 **/ 325 void 326 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 327 { 328 MAILBOX_t *mb; 329 330 mb = &pmb->u.mb; 331 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 332 333 mb->un.varClearLA.eventTag = phba->fc_eventTag; 334 mb->mbxCommand = MBX_CLEAR_LA; 335 mb->mbxOwner = OWN_HOST; 336 return; 337 } 338 339 /** 340 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA 341 * @phba: pointer to lpfc hba data structure. 342 * @pmb: pointer to the driver internal queue element for mailbox command. 343 * 344 * The configure link mailbox command is used before the initialize link 345 * mailbox command to override default value and to configure link-oriented 346 * parameters such as DID address and various timers. Typically, this 347 * command would be used after an F_Port login to set the returned DID address 348 * and the fabric timeout values. This command is not valid before a configure 349 * port command has configured the HBA port. 350 * 351 * This routine prepares the mailbox command for configuring link on a HBA. 352 **/ 353 void 354 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 355 { 356 struct lpfc_vport *vport = phba->pport; 357 MAILBOX_t *mb = &pmb->u.mb; 358 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 359 360 /* NEW_FEATURE 361 * SLI-2, Coalescing Response Feature. 362 */ 363 if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) { 364 mb->un.varCfgLnk.cr = 1; 365 mb->un.varCfgLnk.ci = 1; 366 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; 367 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; 368 } 369 370 mb->un.varCfgLnk.myId = vport->fc_myDID; 371 mb->un.varCfgLnk.edtov = phba->fc_edtov; 372 mb->un.varCfgLnk.arbtov = phba->fc_arbtov; 373 mb->un.varCfgLnk.ratov = phba->fc_ratov; 374 mb->un.varCfgLnk.rttov = phba->fc_rttov; 375 mb->un.varCfgLnk.altov = phba->fc_altov; 376 mb->un.varCfgLnk.crtov = phba->fc_crtov; 377 mb->un.varCfgLnk.citov = phba->fc_citov; 378 379 if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) 380 mb->un.varCfgLnk.ack0_enable = 1; 381 382 mb->mbxCommand = MBX_CONFIG_LINK; 383 mb->mbxOwner = OWN_HOST; 384 return; 385 } 386 387 /** 388 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x 389 * @phba: pointer to lpfc hba data structure. 390 * @pmb: pointer to the driver internal queue element for mailbox command. 391 * 392 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 393 * MSI-X multi-message interrupt vector association to interrupt attention 394 * conditions. 395 * 396 * Return codes 397 * 0 - Success 398 * -EINVAL - Failure 399 **/ 400 int 401 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 402 { 403 MAILBOX_t *mb = &pmb->u.mb; 404 uint32_t attentionConditions[2]; 405 406 /* Sanity check */ 407 if (phba->cfg_use_msi != 2) { 408 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 409 "0475 Not configured for supporting MSI-X " 410 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); 411 return -EINVAL; 412 } 413 414 if (phba->sli_rev < 3) { 415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 416 "0476 HBA not supporting SLI-3 or later " 417 "SLI Revision: 0x%x\n", phba->sli_rev); 418 return -EINVAL; 419 } 420 421 /* Clear mailbox command fields */ 422 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 423 424 /* 425 * SLI-3, Message Signaled Interrupt Fearure. 426 */ 427 428 /* Multi-message attention configuration */ 429 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | 430 HA_LATT | HA_MBATT); 431 attentionConditions[1] = 0; 432 433 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; 434 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; 435 436 /* 437 * Set up message number to HA bit association 438 */ 439 #ifdef __BIG_ENDIAN_BITFIELD 440 /* RA0 (FCP Ring) */ 441 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; 442 /* RA1 (Other Protocol Extra Ring) */ 443 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; 444 #else /* __LITTLE_ENDIAN_BITFIELD */ 445 /* RA0 (FCP Ring) */ 446 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; 447 /* RA1 (Other Protocol Extra Ring) */ 448 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; 449 #endif 450 /* Multi-message interrupt autoclear configuration*/ 451 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; 452 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; 453 454 /* For now, HBA autoclear does not work reliably, disable it */ 455 mb->un.varCfgMSI.autoClearHA[0] = 0; 456 mb->un.varCfgMSI.autoClearHA[1] = 0; 457 458 /* Set command and owner bit */ 459 mb->mbxCommand = MBX_CONFIG_MSI; 460 mb->mbxOwner = OWN_HOST; 461 462 return 0; 463 } 464 465 /** 466 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA 467 * @phba: pointer to lpfc hba data structure. 468 * @pmb: pointer to the driver internal queue element for mailbox command. 469 * @topology: the link topology for the link to be initialized to. 470 * @linkspeed: the link speed for the link to be initialized to. 471 * 472 * The initialize link mailbox command is used to initialize the Fibre 473 * Channel link. This command must follow a configure port command that 474 * establishes the mode of operation. 475 * 476 * This routine prepares the mailbox command for initializing link on a HBA 477 * with the specified link topology and speed. 478 **/ 479 void 480 lpfc_init_link(struct lpfc_hba * phba, 481 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) 482 { 483 lpfc_vpd_t *vpd; 484 MAILBOX_t *mb; 485 486 mb = &pmb->u.mb; 487 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 488 489 switch (topology) { 490 case FLAGS_TOPOLOGY_MODE_LOOP_PT: 491 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 492 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 493 break; 494 case FLAGS_TOPOLOGY_MODE_PT_PT: 495 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 496 break; 497 case FLAGS_TOPOLOGY_MODE_LOOP: 498 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 499 break; 500 case FLAGS_TOPOLOGY_MODE_PT_LOOP: 501 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 502 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 503 break; 504 case FLAGS_LOCAL_LB: 505 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; 506 break; 507 } 508 509 if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC && 510 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { 511 /* Failover is not tried for Lancer G6 */ 512 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 513 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; 514 } 515 516 /* Enable asynchronous ABTS responses from firmware */ 517 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 518 519 /* NEW_FEATURE 520 * Setting up the link speed 521 */ 522 vpd = &phba->vpd; 523 if (vpd->rev.feaLevelHigh >= 0x02){ 524 switch(linkspeed){ 525 case LPFC_USER_LINK_SPEED_1G: 526 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 527 mb->un.varInitLnk.link_speed = LINK_SPEED_1G; 528 break; 529 case LPFC_USER_LINK_SPEED_2G: 530 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 531 mb->un.varInitLnk.link_speed = LINK_SPEED_2G; 532 break; 533 case LPFC_USER_LINK_SPEED_4G: 534 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 535 mb->un.varInitLnk.link_speed = LINK_SPEED_4G; 536 break; 537 case LPFC_USER_LINK_SPEED_8G: 538 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 539 mb->un.varInitLnk.link_speed = LINK_SPEED_8G; 540 break; 541 case LPFC_USER_LINK_SPEED_10G: 542 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 543 mb->un.varInitLnk.link_speed = LINK_SPEED_10G; 544 break; 545 case LPFC_USER_LINK_SPEED_16G: 546 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 547 mb->un.varInitLnk.link_speed = LINK_SPEED_16G; 548 break; 549 case LPFC_USER_LINK_SPEED_32G: 550 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 551 mb->un.varInitLnk.link_speed = LINK_SPEED_32G; 552 break; 553 case LPFC_USER_LINK_SPEED_AUTO: 554 default: 555 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 556 break; 557 } 558 559 } 560 else 561 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 562 563 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 564 mb->mbxOwner = OWN_HOST; 565 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 566 return; 567 } 568 569 /** 570 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters 571 * @phba: pointer to lpfc hba data structure. 572 * @pmb: pointer to the driver internal queue element for mailbox command. 573 * @vpi: virtual N_Port identifier. 574 * 575 * The read service parameter mailbox command is used to read the HBA port 576 * service parameters. The service parameters are read into the buffer 577 * specified directly by a BDE in the mailbox command. These service 578 * parameters may then be used to build the payload of an N_Port/F_POrt 579 * login request and reply (LOGI/ACC). 580 * 581 * This routine prepares the mailbox command for reading HBA port service 582 * parameters. The DMA memory is allocated in this function and the addresses 583 * are populated into the mailbox command for the HBA to DMA the service 584 * parameters into. 585 * 586 * Return codes 587 * 0 - Success 588 * 1 - DMA memory allocation failed 589 **/ 590 int 591 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 592 { 593 struct lpfc_dmabuf *mp; 594 MAILBOX_t *mb; 595 596 mb = &pmb->u.mb; 597 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 598 599 mb->mbxOwner = OWN_HOST; 600 601 /* Get a buffer to hold the HBAs Service Parameters */ 602 603 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 604 if (mp) 605 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 606 if (!mp || !mp->virt) { 607 kfree(mp); 608 mb->mbxCommand = MBX_READ_SPARM64; 609 /* READ_SPARAM: no buffers */ 610 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 611 "0301 READ_SPARAM: no buffers\n"); 612 return (1); 613 } 614 INIT_LIST_HEAD(&mp->list); 615 mb->mbxCommand = MBX_READ_SPARM64; 616 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 617 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 618 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 619 if (phba->sli_rev >= LPFC_SLI_REV3) 620 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; 621 622 /* save address for completion */ 623 pmb->context1 = mp; 624 625 return (0); 626 } 627 628 /** 629 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID 630 * @phba: pointer to lpfc hba data structure. 631 * @vpi: virtual N_Port identifier. 632 * @did: remote port identifier. 633 * @pmb: pointer to the driver internal queue element for mailbox command. 634 * 635 * The unregister DID mailbox command is used to unregister an N_Port/F_Port 636 * login for an unknown RPI by specifying the DID of a remote port. This 637 * command frees an RPI context in the HBA port. This has the effect of 638 * performing an implicit N_Port/F_Port logout. 639 * 640 * This routine prepares the mailbox command for unregistering a remote 641 * N_Port/F_Port (DID) login. 642 **/ 643 void 644 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 645 LPFC_MBOXQ_t * pmb) 646 { 647 MAILBOX_t *mb; 648 649 mb = &pmb->u.mb; 650 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 651 652 mb->un.varUnregDID.did = did; 653 mb->un.varUnregDID.vpi = vpi; 654 if ((vpi != 0xffff) && 655 (phba->sli_rev == LPFC_SLI_REV4)) 656 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; 657 658 mb->mbxCommand = MBX_UNREG_D_ID; 659 mb->mbxOwner = OWN_HOST; 660 return; 661 } 662 663 /** 664 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration 665 * @phba: pointer to lpfc hba data structure. 666 * @pmb: pointer to the driver internal queue element for mailbox command. 667 * 668 * The read configuration mailbox command is used to read the HBA port 669 * configuration parameters. This mailbox command provides a method for 670 * seeing any parameters that may have changed via various configuration 671 * mailbox commands. 672 * 673 * This routine prepares the mailbox command for reading out HBA configuration 674 * parameters. 675 **/ 676 void 677 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 678 { 679 MAILBOX_t *mb; 680 681 mb = &pmb->u.mb; 682 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 683 684 mb->mbxCommand = MBX_READ_CONFIG; 685 mb->mbxOwner = OWN_HOST; 686 return; 687 } 688 689 /** 690 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats 691 * @phba: pointer to lpfc hba data structure. 692 * @pmb: pointer to the driver internal queue element for mailbox command. 693 * 694 * The read link status mailbox command is used to read the link status from 695 * the HBA. Link status includes all link-related error counters. These 696 * counters are maintained by the HBA and originated in the link hardware 697 * unit. Note that all of these counters wrap. 698 * 699 * This routine prepares the mailbox command for reading out HBA link status. 700 **/ 701 void 702 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 703 { 704 MAILBOX_t *mb; 705 706 mb = &pmb->u.mb; 707 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 708 709 mb->mbxCommand = MBX_READ_LNK_STAT; 710 mb->mbxOwner = OWN_HOST; 711 return; 712 } 713 714 /** 715 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login 716 * @phba: pointer to lpfc hba data structure. 717 * @vpi: virtual N_Port identifier. 718 * @did: remote port identifier. 719 * @param: pointer to memory holding the server parameters. 720 * @pmb: pointer to the driver internal queue element for mailbox command. 721 * @rpi: the rpi to use in the registration (usually only used for SLI4. 722 * 723 * The registration login mailbox command is used to register an N_Port or 724 * F_Port login. This registration allows the HBA to cache the remote N_Port 725 * service parameters internally and thereby make the appropriate FC-2 726 * decisions. The remote port service parameters are handed off by the driver 727 * to the HBA using a descriptor entry that directly identifies a buffer in 728 * host memory. In exchange, the HBA returns an RPI identifier. 729 * 730 * This routine prepares the mailbox command for registering remote port login. 731 * The function allocates DMA buffer for passing the service parameters to the 732 * HBA with the mailbox command. 733 * 734 * Return codes 735 * 0 - Success 736 * 1 - DMA memory allocation failed 737 **/ 738 int 739 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 740 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) 741 { 742 MAILBOX_t *mb = &pmb->u.mb; 743 uint8_t *sparam; 744 struct lpfc_dmabuf *mp; 745 746 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 747 748 mb->un.varRegLogin.rpi = 0; 749 if (phba->sli_rev == LPFC_SLI_REV4) 750 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; 751 if (phba->sli_rev >= LPFC_SLI_REV3) 752 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; 753 mb->un.varRegLogin.did = did; 754 mb->mbxOwner = OWN_HOST; 755 /* Get a buffer to hold NPorts Service Parameters */ 756 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 757 if (mp) 758 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 759 if (!mp || !mp->virt) { 760 kfree(mp); 761 mb->mbxCommand = MBX_REG_LOGIN64; 762 /* REG_LOGIN: no buffers */ 763 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 764 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 765 "rpi x%x\n", vpi, did, rpi); 766 return 1; 767 } 768 INIT_LIST_HEAD(&mp->list); 769 sparam = mp->virt; 770 771 /* Copy param's into a new buffer */ 772 memcpy(sparam, param, sizeof (struct serv_parm)); 773 774 /* save address for completion */ 775 pmb->context1 = (uint8_t *) mp; 776 777 mb->mbxCommand = MBX_REG_LOGIN64; 778 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 779 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 780 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 781 782 return 0; 783 } 784 785 /** 786 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login 787 * @phba: pointer to lpfc hba data structure. 788 * @vpi: virtual N_Port identifier. 789 * @rpi: remote port identifier 790 * @pmb: pointer to the driver internal queue element for mailbox command. 791 * 792 * The unregistration login mailbox command is used to unregister an N_Port 793 * or F_Port login. This command frees an RPI context in the HBA. It has the 794 * effect of performing an implicit N_Port/F_Port logout. 795 * 796 * This routine prepares the mailbox command for unregistering remote port 797 * login. 798 * 799 * For SLI4 ports, the rpi passed to this function must be the physical 800 * rpi value, not the logical index. 801 **/ 802 void 803 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 804 LPFC_MBOXQ_t * pmb) 805 { 806 MAILBOX_t *mb; 807 808 mb = &pmb->u.mb; 809 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 810 811 mb->un.varUnregLogin.rpi = rpi; 812 mb->un.varUnregLogin.rsvd1 = 0; 813 if (phba->sli_rev >= LPFC_SLI_REV3) 814 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; 815 816 mb->mbxCommand = MBX_UNREG_LOGIN; 817 mb->mbxOwner = OWN_HOST; 818 819 return; 820 } 821 822 /** 823 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. 824 * @vport: pointer to a vport object. 825 * 826 * This routine sends mailbox command to unregister all active RPIs for 827 * a vport. 828 **/ 829 void 830 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) 831 { 832 struct lpfc_hba *phba = vport->phba; 833 LPFC_MBOXQ_t *mbox; 834 int rc; 835 836 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 837 if (mbox) { 838 /* 839 * For SLI4 functions, the rpi field is overloaded for 840 * the vport context unreg all. This routine passes 841 * 0 for the rpi field in lpfc_unreg_login for compatibility 842 * with SLI3 and then overrides the rpi field with the 843 * expected value for SLI4. 844 */ 845 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], 846 mbox); 847 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; 848 mbox->vport = vport; 849 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 850 mbox->context1 = NULL; 851 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 852 if (rc == MBX_NOT_FINISHED) 853 mempool_free(mbox, phba->mbox_mem_pool); 854 } 855 } 856 857 /** 858 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier 859 * @phba: pointer to lpfc hba data structure. 860 * @vpi: virtual N_Port identifier. 861 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). 862 * @pmb: pointer to the driver internal queue element for mailbox command. 863 * 864 * The registration vport identifier mailbox command is used to activate a 865 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 866 * N_Port_ID against the information in the selected virtual N_Port context 867 * block and marks it active to allow normal processing of IOCB commands and 868 * received unsolicited exchanges. 869 * 870 * This routine prepares the mailbox command for registering a virtual N_Port. 871 **/ 872 void 873 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) 874 { 875 MAILBOX_t *mb = &pmb->u.mb; 876 struct lpfc_hba *phba = vport->phba; 877 878 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 879 /* 880 * Set the re-reg VPI bit for f/w to update the MAC address. 881 */ 882 if ((phba->sli_rev == LPFC_SLI_REV4) && 883 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) 884 mb->un.varRegVpi.upd = 1; 885 886 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; 887 mb->un.varRegVpi.sid = vport->fc_myDID; 888 if (phba->sli_rev == LPFC_SLI_REV4) 889 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; 890 else 891 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; 892 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, 893 sizeof(struct lpfc_name)); 894 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); 895 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); 896 897 mb->mbxCommand = MBX_REG_VPI; 898 mb->mbxOwner = OWN_HOST; 899 return; 900 901 } 902 903 /** 904 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id 905 * @phba: pointer to lpfc hba data structure. 906 * @vpi: virtual N_Port identifier. 907 * @pmb: pointer to the driver internal queue element for mailbox command. 908 * 909 * The unregistration vport identifier mailbox command is used to inactivate 910 * a virtual N_Port. The driver must have logged out and unregistered all 911 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 912 * unregisters any default RPIs associated with the specified vpi, aborting 913 * any active exchanges. The HBA will post the mailbox response after making 914 * the virtual N_Port inactive. 915 * 916 * This routine prepares the mailbox command for unregistering a virtual 917 * N_Port. 918 **/ 919 void 920 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 921 { 922 MAILBOX_t *mb = &pmb->u.mb; 923 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 924 925 if (phba->sli_rev == LPFC_SLI_REV3) 926 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; 927 else if (phba->sli_rev >= LPFC_SLI_REV4) 928 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; 929 930 mb->mbxCommand = MBX_UNREG_VPI; 931 mb->mbxOwner = OWN_HOST; 932 return; 933 934 } 935 936 /** 937 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) 938 * @phba: pointer to lpfc hba data structure. 939 * 940 * This routine sets up and initializes the IOCB rings in the Port Control 941 * Block (PCB). 942 **/ 943 static void 944 lpfc_config_pcb_setup(struct lpfc_hba * phba) 945 { 946 struct lpfc_sli *psli = &phba->sli; 947 struct lpfc_sli_ring *pring; 948 PCB_t *pcbp = phba->pcb; 949 dma_addr_t pdma_addr; 950 uint32_t offset; 951 uint32_t iocbCnt = 0; 952 int i; 953 954 pcbp->maxRing = (psli->num_rings - 1); 955 956 for (i = 0; i < psli->num_rings; i++) { 957 pring = &psli->ring[i]; 958 959 pring->sli.sli3.sizeCiocb = 960 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : 961 SLI2_IOCB_CMD_SIZE; 962 pring->sli.sli3.sizeRiocb = 963 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : 964 SLI2_IOCB_RSP_SIZE; 965 /* A ring MUST have both cmd and rsp entries defined to be 966 valid */ 967 if ((pring->sli.sli3.numCiocb == 0) || 968 (pring->sli.sli3.numRiocb == 0)) { 969 pcbp->rdsc[i].cmdEntries = 0; 970 pcbp->rdsc[i].rspEntries = 0; 971 pcbp->rdsc[i].cmdAddrHigh = 0; 972 pcbp->rdsc[i].rspAddrHigh = 0; 973 pcbp->rdsc[i].cmdAddrLow = 0; 974 pcbp->rdsc[i].rspAddrLow = 0; 975 pring->sli.sli3.cmdringaddr = NULL; 976 pring->sli.sli3.rspringaddr = NULL; 977 continue; 978 } 979 /* Command ring setup for ring */ 980 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 981 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; 982 983 offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 984 (uint8_t *) phba->slim2p.virt; 985 pdma_addr = phba->slim2p.phys + offset; 986 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 987 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 988 iocbCnt += pring->sli.sli3.numCiocb; 989 990 /* Response ring setup for ring */ 991 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 992 993 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; 994 offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 995 (uint8_t *)phba->slim2p.virt; 996 pdma_addr = phba->slim2p.phys + offset; 997 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 998 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 999 iocbCnt += pring->sli.sli3.numRiocb; 1000 } 1001 } 1002 1003 /** 1004 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision 1005 * @phba: pointer to lpfc hba data structure. 1006 * @pmb: pointer to the driver internal queue element for mailbox command. 1007 * 1008 * The read revision mailbox command is used to read the revision levels of 1009 * the HBA components. These components include hardware units, resident 1010 * firmware, and available firmware. HBAs that supports SLI-3 mode of 1011 * operation provide different response information depending on the version 1012 * requested by the driver. 1013 * 1014 * This routine prepares the mailbox command for reading HBA revision 1015 * information. 1016 **/ 1017 void 1018 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1019 { 1020 MAILBOX_t *mb = &pmb->u.mb; 1021 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1022 mb->un.varRdRev.cv = 1; 1023 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 1024 mb->mbxCommand = MBX_READ_REV; 1025 mb->mbxOwner = OWN_HOST; 1026 return; 1027 } 1028 1029 void 1030 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1031 { 1032 MAILBOX_t *mb = &pmb->u.mb; 1033 struct lpfc_mqe *mqe; 1034 1035 switch (mb->mbxCommand) { 1036 case MBX_READ_REV: 1037 mqe = &pmb->u.mqe; 1038 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, 1039 mqe->un.read_rev.fw_name, 16); 1040 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, 1041 mqe->un.read_rev.ulp_fw_name, 16); 1042 break; 1043 default: 1044 break; 1045 } 1046 return; 1047 } 1048 1049 /** 1050 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 1051 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1052 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1053 * 1054 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 1055 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 1056 * the Sequence Length Test using the fields in the Selection Profile 2 1057 * extension in words 20:31. 1058 **/ 1059 static void 1060 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 1061 struct lpfc_hbq_init *hbq_desc) 1062 { 1063 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 1064 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 1065 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 1066 } 1067 1068 /** 1069 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 1070 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1071 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1072 * 1073 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 1074 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 1075 * the Sequence Length Test and Byte Field Test using the fields in the 1076 * Selection Profile 3 extension in words 20:31. 1077 **/ 1078 static void 1079 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 1080 struct lpfc_hbq_init *hbq_desc) 1081 { 1082 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 1083 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 1084 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 1085 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 1086 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 1087 sizeof(hbqmb->profiles.profile3.cmdmatch)); 1088 } 1089 1090 /** 1091 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 1092 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1093 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1094 * 1095 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 1096 * HBA tests the initial frame of an incoming sequence using the frame's 1097 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 1098 * and Byte Field Test using the fields in the Selection Profile 5 extension 1099 * words 20:31. 1100 **/ 1101 static void 1102 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 1103 struct lpfc_hbq_init *hbq_desc) 1104 { 1105 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 1106 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 1107 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 1108 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 1109 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 1110 sizeof(hbqmb->profiles.profile5.cmdmatch)); 1111 } 1112 1113 /** 1114 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ 1115 * @phba: pointer to lpfc hba data structure. 1116 * @id: HBQ identifier. 1117 * @hbq_desc: pointer to the HBA descriptor data structure. 1118 * @hbq_entry_index: index of the HBQ entry data structures. 1119 * @pmb: pointer to the driver internal queue element for mailbox command. 1120 * 1121 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 1122 * an HBQ. The configuration binds events that require buffers to a particular 1123 * ring and HBQ based on a selection profile. 1124 * 1125 * This routine prepares the mailbox command for configuring an HBQ. 1126 **/ 1127 void 1128 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 1129 struct lpfc_hbq_init *hbq_desc, 1130 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 1131 { 1132 int i; 1133 MAILBOX_t *mb = &pmb->u.mb; 1134 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 1135 1136 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1137 hbqmb->hbqId = id; 1138 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 1139 hbqmb->recvNotify = hbq_desc->rn; /* Receive 1140 * Notification */ 1141 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 1142 * # in words 0-19 */ 1143 hbqmb->profile = hbq_desc->profile; /* Selection profile: 1144 * 0 = all, 1145 * 7 = logentry */ 1146 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 1147 * e.g. Ring0=b0001, 1148 * ring2=b0100 */ 1149 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 1150 * or 5 */ 1151 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 1152 * HBQ will be used 1153 * for LogEntry 1154 * buffers */ 1155 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 1156 hbq_entry_index * sizeof(struct lpfc_hbq_entry); 1157 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 1158 1159 mb->mbxCommand = MBX_CONFIG_HBQ; 1160 mb->mbxOwner = OWN_HOST; 1161 1162 /* Copy info for profiles 2,3,5. Other 1163 * profiles this area is reserved 1164 */ 1165 if (hbq_desc->profile == 2) 1166 lpfc_build_hbq_profile2(hbqmb, hbq_desc); 1167 else if (hbq_desc->profile == 3) 1168 lpfc_build_hbq_profile3(hbqmb, hbq_desc); 1169 else if (hbq_desc->profile == 5) 1170 lpfc_build_hbq_profile5(hbqmb, hbq_desc); 1171 1172 /* Return if no rctl / type masks for this HBQ */ 1173 if (!hbq_desc->mask_count) 1174 return; 1175 1176 /* Otherwise we setup specific rctl / type masks for this HBQ */ 1177 for (i = 0; i < hbq_desc->mask_count; i++) { 1178 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 1179 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 1180 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 1181 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 1182 } 1183 1184 return; 1185 } 1186 1187 /** 1188 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring 1189 * @phba: pointer to lpfc hba data structure. 1190 * @ring: 1191 * @pmb: pointer to the driver internal queue element for mailbox command. 1192 * 1193 * The configure ring mailbox command is used to configure an IOCB ring. This 1194 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1195 * ring. This is used to map incoming sequences to a particular ring whose 1196 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1197 * attempt to configure a ring whose number is greater than the number 1198 * specified in the Port Control Block (PCB). It is an error to issue the 1199 * configure ring command more than once with the same ring number. The HBA 1200 * returns an error if the driver attempts this. 1201 * 1202 * This routine prepares the mailbox command for configuring IOCB ring. 1203 **/ 1204 void 1205 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1206 { 1207 int i; 1208 MAILBOX_t *mb = &pmb->u.mb; 1209 struct lpfc_sli *psli; 1210 struct lpfc_sli_ring *pring; 1211 1212 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1213 1214 mb->un.varCfgRing.ring = ring; 1215 mb->un.varCfgRing.maxOrigXchg = 0; 1216 mb->un.varCfgRing.maxRespXchg = 0; 1217 mb->un.varCfgRing.recvNotify = 1; 1218 1219 psli = &phba->sli; 1220 pring = &psli->ring[ring]; 1221 mb->un.varCfgRing.numMask = pring->num_mask; 1222 mb->mbxCommand = MBX_CONFIG_RING; 1223 mb->mbxOwner = OWN_HOST; 1224 1225 /* Is this ring configured for a specific profile */ 1226 if (pring->prt[0].profile) { 1227 mb->un.varCfgRing.profile = pring->prt[0].profile; 1228 return; 1229 } 1230 1231 /* Otherwise we setup specific rctl / type masks for this ring */ 1232 for (i = 0; i < pring->num_mask; i++) { 1233 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1234 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) 1235 mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1236 else 1237 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1238 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1239 mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1240 } 1241 1242 return; 1243 } 1244 1245 /** 1246 * lpfc_config_port - Prepare a mailbox command for configuring port 1247 * @phba: pointer to lpfc hba data structure. 1248 * @pmb: pointer to the driver internal queue element for mailbox command. 1249 * 1250 * The configure port mailbox command is used to identify the Port Control 1251 * Block (PCB) in the driver memory. After this command is issued, the 1252 * driver must not access the mailbox in the HBA without first resetting 1253 * the HBA. The HBA may copy the PCB information to internal storage for 1254 * subsequent use; the driver can not change the PCB information unless it 1255 * resets the HBA. 1256 * 1257 * This routine prepares the mailbox command for configuring port. 1258 **/ 1259 void 1260 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1261 { 1262 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1263 MAILBOX_t *mb = &pmb->u.mb; 1264 dma_addr_t pdma_addr; 1265 uint32_t bar_low, bar_high; 1266 size_t offset; 1267 struct lpfc_hgp hgp; 1268 int i; 1269 uint32_t pgp_offset; 1270 1271 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1272 mb->mbxCommand = MBX_CONFIG_PORT; 1273 mb->mbxOwner = OWN_HOST; 1274 1275 mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1276 1277 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 1278 pdma_addr = phba->slim2p.phys + offset; 1279 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1280 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1281 1282 /* Always Host Group Pointer is in SLIM */ 1283 mb->un.varCfgPort.hps = 1; 1284 1285 /* If HBA supports SLI=3 ask for it */ 1286 1287 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { 1288 if (phba->cfg_enable_bg) 1289 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1290 if (phba->cfg_enable_dss) 1291 mb->un.varCfgPort.cdss = 1; /* Configure Security */ 1292 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 1293 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 1294 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 1295 if (phba->max_vpi && phba->cfg_enable_npiv && 1296 phba->vpd.sli3Feat.cmv) { 1297 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; 1298 mb->un.varCfgPort.cmv = 1; 1299 } else 1300 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 1301 } else 1302 phba->sli_rev = LPFC_SLI_REV2; 1303 mb->un.varCfgPort.sli_mode = phba->sli_rev; 1304 1305 /* If this is an SLI3 port, configure async status notification. */ 1306 if (phba->sli_rev == LPFC_SLI_REV3) 1307 mb->un.varCfgPort.casabt = 1; 1308 1309 /* Now setup pcb */ 1310 phba->pcb->type = TYPE_NATIVE_SLI2; 1311 phba->pcb->feature = FEATURE_INITIAL_SLI2; 1312 1313 /* Setup Mailbox pointers */ 1314 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; 1315 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 1316 pdma_addr = phba->slim2p.phys + offset; 1317 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 1318 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1319 1320 /* 1321 * Setup Host Group ring pointer. 1322 * 1323 * For efficiency reasons, the ring get/put pointers can be 1324 * placed in adapter memory (SLIM) rather than in host memory. 1325 * This allows firmware to avoid PCI reads/writes when updating 1326 * and checking pointers. 1327 * 1328 * The firmware recognizes the use of SLIM memory by comparing 1329 * the address of the get/put pointers structure with that of 1330 * the SLIM BAR (BAR0). 1331 * 1332 * Caution: be sure to use the PCI config space value of BAR0/BAR1 1333 * (the hardware's view of the base address), not the OS's 1334 * value of pci_resource_start() as the OS value may be a cookie 1335 * for ioremap/iomap. 1336 */ 1337 1338 1339 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1340 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1341 1342 /* 1343 * Set up HGP - Port Memory 1344 * 1345 * The port expects the host get/put pointers to reside in memory 1346 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1347 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1348 * words (0x40 bytes). This area is not reserved if HBQs are 1349 * configured in SLI-3. 1350 * 1351 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1352 * RR0Get 0xc4 0x84 1353 * CR1Put 0xc8 0x88 1354 * RR1Get 0xcc 0x8c 1355 * CR2Put 0xd0 0x90 1356 * RR2Get 0xd4 0x94 1357 * CR3Put 0xd8 0x98 1358 * RR3Get 0xdc 0x9c 1359 * 1360 * Reserved 0xa0-0xbf 1361 * If HBQs configured: 1362 * HBQ 0 Put ptr 0xc0 1363 * HBQ 1 Put ptr 0xc4 1364 * HBQ 2 Put ptr 0xc8 1365 * ...... 1366 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1367 * 1368 */ 1369 1370 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { 1371 phba->host_gp = &phba->mbox->us.s2.host[0]; 1372 phba->hbq_put = NULL; 1373 offset = (uint8_t *)&phba->mbox->us.s2.host - 1374 (uint8_t *)phba->slim2p.virt; 1375 pdma_addr = phba->slim2p.phys + offset; 1376 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); 1377 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); 1378 } else { 1379 /* Always Host Group Pointer is in SLIM */ 1380 mb->un.varCfgPort.hps = 1; 1381 1382 if (phba->sli_rev == 3) { 1383 phba->host_gp = &mb_slim->us.s3.host[0]; 1384 phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1385 } else { 1386 phba->host_gp = &mb_slim->us.s2.host[0]; 1387 phba->hbq_put = NULL; 1388 } 1389 1390 /* mask off BAR0's flag bits 0 - 3 */ 1391 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1392 (void __iomem *)phba->host_gp - 1393 (void __iomem *)phba->MBslimaddr; 1394 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 1395 phba->pcb->hgpAddrHigh = bar_high; 1396 else 1397 phba->pcb->hgpAddrHigh = 0; 1398 /* write HGP data to SLIM at the required longword offset */ 1399 memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1400 1401 for (i = 0; i < phba->sli.num_rings; i++) { 1402 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1403 sizeof(*phba->host_gp)); 1404 } 1405 } 1406 1407 /* Setup Port Group offset */ 1408 if (phba->sli_rev == 3) 1409 pgp_offset = offsetof(struct lpfc_sli2_slim, 1410 mbx.us.s3_pgp.port); 1411 else 1412 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 1413 pdma_addr = phba->slim2p.phys + pgp_offset; 1414 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 1415 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1416 1417 /* Use callback routine to setp rings in the pcb */ 1418 lpfc_config_pcb_setup(phba); 1419 1420 /* special handling for LC HBAs */ 1421 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1422 uint32_t hbainit[5]; 1423 1424 lpfc_hba_init(phba, hbainit); 1425 1426 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1427 } 1428 1429 /* Swap PCB if needed */ 1430 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1431 } 1432 1433 /** 1434 * lpfc_kill_board - Prepare a mailbox command for killing board 1435 * @phba: pointer to lpfc hba data structure. 1436 * @pmb: pointer to the driver internal queue element for mailbox command. 1437 * 1438 * The kill board mailbox command is used to tell firmware to perform a 1439 * graceful shutdown of a channel on a specified board to prepare for reset. 1440 * When the kill board mailbox command is received, the ER3 bit is set to 1 1441 * in the Host Status register and the ER Attention bit is set to 1 in the 1442 * Host Attention register of the HBA function that received the kill board 1443 * command. 1444 * 1445 * This routine prepares the mailbox command for killing the board in 1446 * preparation for a graceful shutdown. 1447 **/ 1448 void 1449 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1450 { 1451 MAILBOX_t *mb = &pmb->u.mb; 1452 1453 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1454 mb->mbxCommand = MBX_KILL_BOARD; 1455 mb->mbxOwner = OWN_HOST; 1456 return; 1457 } 1458 1459 /** 1460 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue 1461 * @phba: pointer to lpfc hba data structure. 1462 * @mbq: pointer to the driver internal queue element for mailbox command. 1463 * 1464 * Driver maintains a internal mailbox command queue implemented as a linked 1465 * list. When a mailbox command is issued, it shall be put into the mailbox 1466 * command queue such that they shall be processed orderly as HBA can process 1467 * one mailbox command at a time. 1468 **/ 1469 void 1470 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1471 { 1472 struct lpfc_sli *psli; 1473 1474 psli = &phba->sli; 1475 1476 list_add_tail(&mbq->list, &psli->mboxq); 1477 1478 psli->mboxq_cnt++; 1479 1480 return; 1481 } 1482 1483 /** 1484 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue 1485 * @phba: pointer to lpfc hba data structure. 1486 * 1487 * Driver maintains a internal mailbox command queue implemented as a linked 1488 * list. When a mailbox command is issued, it shall be put into the mailbox 1489 * command queue such that they shall be processed orderly as HBA can process 1490 * one mailbox command at a time. After HBA finished processing a mailbox 1491 * command, the driver will remove a pending mailbox command from the head of 1492 * the mailbox command queue and send to the HBA for processing. 1493 * 1494 * Return codes 1495 * pointer to the driver internal queue element for mailbox command. 1496 **/ 1497 LPFC_MBOXQ_t * 1498 lpfc_mbox_get(struct lpfc_hba * phba) 1499 { 1500 LPFC_MBOXQ_t *mbq = NULL; 1501 struct lpfc_sli *psli = &phba->sli; 1502 1503 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 1504 if (mbq) 1505 psli->mboxq_cnt--; 1506 1507 return mbq; 1508 } 1509 1510 /** 1511 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list 1512 * @phba: pointer to lpfc hba data structure. 1513 * @mbq: pointer to the driver internal queue element for mailbox command. 1514 * 1515 * This routine put the completed mailbox command into the mailbox command 1516 * complete list. This is the unlocked version of the routine. The mailbox 1517 * complete list is used by the driver worker thread to process mailbox 1518 * complete callback functions outside the driver interrupt handler. 1519 **/ 1520 void 1521 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1522 { 1523 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 1524 } 1525 1526 /** 1527 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list 1528 * @phba: pointer to lpfc hba data structure. 1529 * @mbq: pointer to the driver internal queue element for mailbox command. 1530 * 1531 * This routine put the completed mailbox command into the mailbox command 1532 * complete list. This is the locked version of the routine. The mailbox 1533 * complete list is used by the driver worker thread to process mailbox 1534 * complete callback functions outside the driver interrupt handler. 1535 **/ 1536 void 1537 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1538 { 1539 unsigned long iflag; 1540 1541 /* This function expects to be called from interrupt context */ 1542 spin_lock_irqsave(&phba->hbalock, iflag); 1543 __lpfc_mbox_cmpl_put(phba, mbq); 1544 spin_unlock_irqrestore(&phba->hbalock, iflag); 1545 return; 1546 } 1547 1548 /** 1549 * lpfc_mbox_cmd_check - Check the validality of a mailbox command 1550 * @phba: pointer to lpfc hba data structure. 1551 * @mboxq: pointer to the driver internal queue element for mailbox command. 1552 * 1553 * This routine is to check whether a mailbox command is valid to be issued. 1554 * This check will be performed by both the mailbox issue API when a client 1555 * is to issue a mailbox command to the mailbox transport. 1556 * 1557 * Return 0 - pass the check, -ENODEV - fail the check 1558 **/ 1559 int 1560 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1561 { 1562 /* Mailbox command that have a completion handler must also have a 1563 * vport specified. 1564 */ 1565 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && 1566 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { 1567 if (!mboxq->vport) { 1568 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, 1569 "1814 Mbox x%x failed, no vport\n", 1570 mboxq->u.mb.mbxCommand); 1571 dump_stack(); 1572 return -ENODEV; 1573 } 1574 } 1575 return 0; 1576 } 1577 1578 /** 1579 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command 1580 * @phba: pointer to lpfc hba data structure. 1581 * 1582 * This routine is to check whether the HBA device is ready for posting a 1583 * mailbox command. It is used by the mailbox transport API at the time the 1584 * to post a mailbox command to the device. 1585 * 1586 * Return 0 - pass the check, -ENODEV - fail the check 1587 **/ 1588 int 1589 lpfc_mbox_dev_check(struct lpfc_hba *phba) 1590 { 1591 /* If the PCI channel is in offline state, do not issue mbox */ 1592 if (unlikely(pci_channel_offline(phba->pcidev))) 1593 return -ENODEV; 1594 1595 /* If the HBA is in error state, do not issue mbox */ 1596 if (phba->link_state == LPFC_HBA_ERROR) 1597 return -ENODEV; 1598 1599 return 0; 1600 } 1601 1602 /** 1603 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value 1604 * @phba: pointer to lpfc hba data structure. 1605 * @cmd: mailbox command code. 1606 * 1607 * This routine retrieves the proper timeout value according to the mailbox 1608 * command code. 1609 * 1610 * Return codes 1611 * Timeout value to be used for the given mailbox command 1612 **/ 1613 int 1614 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1615 { 1616 MAILBOX_t *mbox = &mboxq->u.mb; 1617 uint8_t subsys, opcode; 1618 1619 switch (mbox->mbxCommand) { 1620 case MBX_WRITE_NV: /* 0x03 */ 1621 case MBX_DUMP_MEMORY: /* 0x17 */ 1622 case MBX_UPDATE_CFG: /* 0x1B */ 1623 case MBX_DOWN_LOAD: /* 0x1C */ 1624 case MBX_DEL_LD_ENTRY: /* 0x1D */ 1625 case MBX_WRITE_VPARMS: /* 0x32 */ 1626 case MBX_LOAD_AREA: /* 0x81 */ 1627 case MBX_WRITE_WWN: /* 0x98 */ 1628 case MBX_LOAD_EXP_ROM: /* 0x9C */ 1629 case MBX_ACCESS_VDATA: /* 0xA5 */ 1630 return LPFC_MBOX_TMO_FLASH_CMD; 1631 case MBX_SLI4_CONFIG: /* 0x9b */ 1632 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); 1633 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); 1634 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { 1635 switch (opcode) { 1636 case LPFC_MBOX_OPCODE_READ_OBJECT: 1637 case LPFC_MBOX_OPCODE_WRITE_OBJECT: 1638 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: 1639 case LPFC_MBOX_OPCODE_DELETE_OBJECT: 1640 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: 1641 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: 1642 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: 1643 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: 1644 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: 1645 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: 1646 case LPFC_MBOX_OPCODE_SEND_ACTIVATION: 1647 case LPFC_MBOX_OPCODE_RESET_LICENSES: 1648 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: 1649 case LPFC_MBOX_OPCODE_GET_VPD_DATA: 1650 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: 1651 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1652 } 1653 } 1654 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { 1655 switch (opcode) { 1656 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: 1657 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1658 } 1659 } 1660 return LPFC_MBOX_SLI4_CONFIG_TMO; 1661 } 1662 return LPFC_MBOX_TMO; 1663 } 1664 1665 /** 1666 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command 1667 * @mbox: pointer to lpfc mbox command. 1668 * @sgentry: sge entry index. 1669 * @phyaddr: physical address for the sge 1670 * @length: Length of the sge. 1671 * 1672 * This routine sets up an entry in the non-embedded mailbox command at the sge 1673 * index location. 1674 **/ 1675 void 1676 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, 1677 dma_addr_t phyaddr, uint32_t length) 1678 { 1679 struct lpfc_mbx_nembed_cmd *nembed_sge; 1680 1681 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1682 &mbox->u.mqe.un.nembed_cmd; 1683 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); 1684 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); 1685 nembed_sge->sge[sgentry].length = length; 1686 } 1687 1688 /** 1689 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command 1690 * @mbox: pointer to lpfc mbox command. 1691 * @sgentry: sge entry index. 1692 * 1693 * This routine gets an entry from the non-embedded mailbox command at the sge 1694 * index location. 1695 **/ 1696 void 1697 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, 1698 struct lpfc_mbx_sge *sge) 1699 { 1700 struct lpfc_mbx_nembed_cmd *nembed_sge; 1701 1702 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1703 &mbox->u.mqe.un.nembed_cmd; 1704 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; 1705 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; 1706 sge->length = nembed_sge->sge[sgentry].length; 1707 } 1708 1709 /** 1710 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command 1711 * @phba: pointer to lpfc hba data structure. 1712 * @mbox: pointer to lpfc mbox command. 1713 * 1714 * This routine frees SLI4 specific mailbox command for sending IOCTL command. 1715 **/ 1716 void 1717 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 1718 { 1719 struct lpfc_mbx_sli4_config *sli4_cfg; 1720 struct lpfc_mbx_sge sge; 1721 dma_addr_t phyaddr; 1722 uint32_t sgecount, sgentry; 1723 1724 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1725 1726 /* For embedded mbox command, just free the mbox command */ 1727 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1728 mempool_free(mbox, phba->mbox_mem_pool); 1729 return; 1730 } 1731 1732 /* For non-embedded mbox command, we need to free the pages first */ 1733 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); 1734 /* There is nothing we can do if there is no sge address array */ 1735 if (unlikely(!mbox->sge_array)) { 1736 mempool_free(mbox, phba->mbox_mem_pool); 1737 return; 1738 } 1739 /* Each non-embedded DMA memory was allocated in the length of a page */ 1740 for (sgentry = 0; sgentry < sgecount; sgentry++) { 1741 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); 1742 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); 1743 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 1744 mbox->sge_array->addr[sgentry], phyaddr); 1745 } 1746 /* Free the sge address array memory */ 1747 kfree(mbox->sge_array); 1748 /* Finally, free the mailbox command itself */ 1749 mempool_free(mbox, phba->mbox_mem_pool); 1750 } 1751 1752 /** 1753 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command 1754 * @phba: pointer to lpfc hba data structure. 1755 * @mbox: pointer to lpfc mbox command. 1756 * @subsystem: The sli4 config sub mailbox subsystem. 1757 * @opcode: The sli4 config sub mailbox command opcode. 1758 * @length: Length of the sli4 config mailbox command (including sub-header). 1759 * 1760 * This routine sets up the header fields of SLI4 specific mailbox command 1761 * for sending IOCTL command. 1762 * 1763 * Return: the actual length of the mbox command allocated (mostly useful 1764 * for none embedded mailbox command). 1765 **/ 1766 int 1767 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1768 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) 1769 { 1770 struct lpfc_mbx_sli4_config *sli4_config; 1771 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; 1772 uint32_t alloc_len; 1773 uint32_t resid_len; 1774 uint32_t pagen, pcount; 1775 void *viraddr; 1776 dma_addr_t phyaddr; 1777 1778 /* Set up SLI4 mailbox command header fields */ 1779 memset(mbox, 0, sizeof(*mbox)); 1780 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); 1781 1782 /* Set up SLI4 ioctl command header fields */ 1783 sli4_config = &mbox->u.mqe.un.sli4_config; 1784 1785 /* Setup for the embedded mbox command */ 1786 if (emb) { 1787 /* Set up main header fields */ 1788 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); 1789 sli4_config->header.cfg_mhdr.payload_length = length; 1790 /* Set up sub-header fields following main header */ 1791 bf_set(lpfc_mbox_hdr_opcode, 1792 &sli4_config->header.cfg_shdr.request, opcode); 1793 bf_set(lpfc_mbox_hdr_subsystem, 1794 &sli4_config->header.cfg_shdr.request, subsystem); 1795 sli4_config->header.cfg_shdr.request.request_length = 1796 length - LPFC_MBX_CMD_HDR_LENGTH; 1797 return length; 1798 } 1799 1800 /* Setup for the non-embedded mbox command */ 1801 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; 1802 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? 1803 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; 1804 /* Allocate record for keeping SGE virtual addresses */ 1805 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), 1806 GFP_KERNEL); 1807 if (!mbox->sge_array) { 1808 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1809 "2527 Failed to allocate non-embedded SGE " 1810 "array.\n"); 1811 return 0; 1812 } 1813 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { 1814 /* The DMA memory is always allocated in the length of a 1815 * page even though the last SGE might not fill up to a 1816 * page, this is used as a priori size of SLI4_PAGE_SIZE for 1817 * the later DMA memory free. 1818 */ 1819 viraddr = dma_zalloc_coherent(&phba->pcidev->dev, 1820 SLI4_PAGE_SIZE, &phyaddr, 1821 GFP_KERNEL); 1822 /* In case of malloc fails, proceed with whatever we have */ 1823 if (!viraddr) 1824 break; 1825 mbox->sge_array->addr[pagen] = viraddr; 1826 /* Keep the first page for later sub-header construction */ 1827 if (pagen == 0) 1828 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; 1829 resid_len = length - alloc_len; 1830 if (resid_len > SLI4_PAGE_SIZE) { 1831 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1832 SLI4_PAGE_SIZE); 1833 alloc_len += SLI4_PAGE_SIZE; 1834 } else { 1835 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1836 resid_len); 1837 alloc_len = length; 1838 } 1839 } 1840 1841 /* Set up main header fields in mailbox command */ 1842 sli4_config->header.cfg_mhdr.payload_length = alloc_len; 1843 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); 1844 1845 /* Set up sub-header fields into the first page */ 1846 if (pagen > 0) { 1847 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); 1848 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); 1849 cfg_shdr->request.request_length = 1850 alloc_len - sizeof(union lpfc_sli4_cfg_shdr); 1851 } 1852 /* The sub-header is in DMA memory, which needs endian converstion */ 1853 if (cfg_shdr) 1854 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, 1855 sizeof(union lpfc_sli4_cfg_shdr)); 1856 return alloc_len; 1857 } 1858 1859 /** 1860 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. 1861 * @phba: pointer to lpfc hba data structure. 1862 * @mbox: pointer to an allocated lpfc mbox resource. 1863 * @exts_count: the number of extents, if required, to allocate. 1864 * @rsrc_type: the resource extent type. 1865 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. 1866 * 1867 * This routine completes the subcommand header for SLI4 resource extent 1868 * mailbox commands. It is called after lpfc_sli4_config. The caller must 1869 * pass an allocated mailbox and the attributes required to initialize the 1870 * mailbox correctly. 1871 * 1872 * Return: the actual length of the mbox command allocated. 1873 **/ 1874 int 1875 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1876 uint16_t exts_count, uint16_t rsrc_type, bool emb) 1877 { 1878 uint8_t opcode = 0; 1879 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; 1880 void *virtaddr = NULL; 1881 1882 /* Set up SLI4 ioctl command header fields */ 1883 if (emb == LPFC_SLI4_MBX_NEMBED) { 1884 /* Get the first SGE entry from the non-embedded DMA memory */ 1885 virtaddr = mbox->sge_array->addr[0]; 1886 if (virtaddr == NULL) 1887 return 1; 1888 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; 1889 } 1890 1891 /* 1892 * The resource type is common to all extent Opcodes and resides in the 1893 * same position. 1894 */ 1895 if (emb == LPFC_SLI4_MBX_EMBED) 1896 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1897 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1898 rsrc_type); 1899 else { 1900 /* This is DMA data. Byteswap is required. */ 1901 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1902 n_rsrc_extnt, rsrc_type); 1903 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, 1904 &n_rsrc_extnt->word4, 1905 sizeof(uint32_t)); 1906 } 1907 1908 /* Complete the initialization for the particular Opcode. */ 1909 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); 1910 switch (opcode) { 1911 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: 1912 if (emb == LPFC_SLI4_MBX_EMBED) 1913 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1914 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1915 exts_count); 1916 else 1917 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1918 n_rsrc_extnt, exts_count); 1919 break; 1920 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: 1921 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: 1922 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: 1923 /* Initialization is complete.*/ 1924 break; 1925 default: 1926 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1927 "2929 Resource Extent Opcode x%x is " 1928 "unsupported\n", opcode); 1929 return 1; 1930 } 1931 1932 return 0; 1933 } 1934 1935 /** 1936 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd 1937 * @phba: pointer to lpfc hba data structure. 1938 * @mbox: pointer to lpfc mbox command queue entry. 1939 * 1940 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox 1941 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the 1942 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall 1943 * be returned. 1944 **/ 1945 uint8_t 1946 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1947 { 1948 struct lpfc_mbx_sli4_config *sli4_cfg; 1949 union lpfc_sli4_cfg_shdr *cfg_shdr; 1950 1951 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1952 return LPFC_MBOX_SUBSYSTEM_NA; 1953 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1954 1955 /* For embedded mbox command, get opcode from embedded sub-header*/ 1956 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1957 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 1958 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1959 } 1960 1961 /* For non-embedded mbox command, get opcode from first dma page */ 1962 if (unlikely(!mbox->sge_array)) 1963 return LPFC_MBOX_SUBSYSTEM_NA; 1964 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 1965 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1966 } 1967 1968 /** 1969 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd 1970 * @phba: pointer to lpfc hba data structure. 1971 * @mbox: pointer to lpfc mbox command queue entry. 1972 * 1973 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox 1974 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if 1975 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be 1976 * returned. 1977 **/ 1978 uint8_t 1979 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1980 { 1981 struct lpfc_mbx_sli4_config *sli4_cfg; 1982 union lpfc_sli4_cfg_shdr *cfg_shdr; 1983 1984 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1985 return LPFC_MBOX_OPCODE_NA; 1986 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1987 1988 /* For embedded mbox command, get opcode from embedded sub-header*/ 1989 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1990 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 1991 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 1992 } 1993 1994 /* For non-embedded mbox command, get opcode from first dma page */ 1995 if (unlikely(!mbox->sge_array)) 1996 return LPFC_MBOX_OPCODE_NA; 1997 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 1998 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 1999 } 2000 2001 /** 2002 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd 2003 * @phba: pointer to lpfc hba data structure. 2004 * @fcf_index: index to fcf table. 2005 * 2006 * This routine routine allocates and constructs non-embedded mailbox command 2007 * for reading a FCF table entry referred by @fcf_index. 2008 * 2009 * Return: pointer to the mailbox command constructed if successful, otherwise 2010 * NULL. 2011 **/ 2012 int 2013 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, 2014 struct lpfcMboxq *mboxq, 2015 uint16_t fcf_index) 2016 { 2017 void *virt_addr; 2018 uint8_t *bytep; 2019 struct lpfc_mbx_sge sge; 2020 uint32_t alloc_len, req_len; 2021 struct lpfc_mbx_read_fcf_tbl *read_fcf; 2022 2023 if (!mboxq) 2024 return -ENOMEM; 2025 2026 req_len = sizeof(struct fcf_record) + 2027 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); 2028 2029 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ 2030 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, 2031 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, 2032 LPFC_SLI4_MBX_NEMBED); 2033 2034 if (alloc_len < req_len) { 2035 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2036 "0291 Allocated DMA memory size (x%x) is " 2037 "less than the requested DMA memory " 2038 "size (x%x)\n", alloc_len, req_len); 2039 return -ENOMEM; 2040 } 2041 2042 /* Get the first SGE entry from the non-embedded DMA memory. This 2043 * routine only uses a single SGE. 2044 */ 2045 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); 2046 virt_addr = mboxq->sge_array->addr[0]; 2047 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; 2048 2049 /* Set up command fields */ 2050 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); 2051 /* Perform necessary endian conversion */ 2052 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); 2053 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); 2054 2055 return 0; 2056 } 2057 2058 /** 2059 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox 2060 * @mboxq: pointer to lpfc mbox command. 2061 * 2062 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES 2063 * mailbox command. 2064 **/ 2065 void 2066 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) 2067 { 2068 /* Set up SLI4 mailbox command header fields */ 2069 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 2070 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); 2071 2072 /* Set up host requested features. */ 2073 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); 2074 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); 2075 2076 /* Enable DIF (block guard) only if configured to do so. */ 2077 if (phba->cfg_enable_bg) 2078 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); 2079 2080 /* Enable NPIV only if configured to do so. */ 2081 if (phba->max_vpi && phba->cfg_enable_npiv) 2082 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); 2083 2084 return; 2085 } 2086 2087 /** 2088 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command 2089 * @mbox: pointer to lpfc mbox command to initialize. 2090 * @vport: Vport associated with the VF. 2091 * 2092 * This routine initializes @mbox to all zeros and then fills in the mailbox 2093 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI 2094 * in the context of an FCF. The driver issues this command to setup a VFI 2095 * before issuing a FLOGI to login to the VSAN. The driver should also issue a 2096 * REG_VFI after a successful VSAN login. 2097 **/ 2098 void 2099 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2100 { 2101 struct lpfc_mbx_init_vfi *init_vfi; 2102 2103 memset(mbox, 0, sizeof(*mbox)); 2104 mbox->vport = vport; 2105 init_vfi = &mbox->u.mqe.un.init_vfi; 2106 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); 2107 bf_set(lpfc_init_vfi_vr, init_vfi, 1); 2108 bf_set(lpfc_init_vfi_vt, init_vfi, 1); 2109 bf_set(lpfc_init_vfi_vp, init_vfi, 1); 2110 bf_set(lpfc_init_vfi_vfi, init_vfi, 2111 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2112 bf_set(lpfc_init_vfi_vpi, init_vfi, 2113 vport->phba->vpi_ids[vport->vpi]); 2114 bf_set(lpfc_init_vfi_fcfi, init_vfi, 2115 vport->phba->fcf.fcfi); 2116 } 2117 2118 /** 2119 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command 2120 * @mbox: pointer to lpfc mbox command to initialize. 2121 * @vport: vport associated with the VF. 2122 * @phys: BDE DMA bus address used to send the service parameters to the HBA. 2123 * 2124 * This routine initializes @mbox to all zeros and then fills in the mailbox 2125 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's 2126 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual 2127 * fabrics identified by VFI in the context of an FCF. 2128 **/ 2129 void 2130 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) 2131 { 2132 struct lpfc_mbx_reg_vfi *reg_vfi; 2133 struct lpfc_hba *phba = vport->phba; 2134 2135 memset(mbox, 0, sizeof(*mbox)); 2136 reg_vfi = &mbox->u.mqe.un.reg_vfi; 2137 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); 2138 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); 2139 bf_set(lpfc_reg_vfi_vfi, reg_vfi, 2140 phba->sli4_hba.vfi_ids[vport->vfi]); 2141 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); 2142 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); 2143 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); 2144 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); 2145 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); 2146 reg_vfi->e_d_tov = phba->fc_edtov; 2147 reg_vfi->r_a_tov = phba->fc_ratov; 2148 reg_vfi->bde.addrHigh = putPaddrHigh(phys); 2149 reg_vfi->bde.addrLow = putPaddrLow(phys); 2150 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); 2151 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2152 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); 2153 2154 /* Only FC supports upd bit */ 2155 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && 2156 (vport->fc_flag & FC_VFI_REGISTERED) && 2157 (!phba->fc_topology_changed)) { 2158 bf_set(lpfc_reg_vfi_vp, reg_vfi, 0); 2159 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); 2160 } 2161 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, 2162 "3134 Register VFI, mydid:x%x, fcfi:%d, " 2163 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" 2164 " port_state:x%x topology chg:%d\n", 2165 vport->fc_myDID, 2166 phba->fcf.fcfi, 2167 phba->sli4_hba.vfi_ids[vport->vfi], 2168 phba->vpi_ids[vport->vpi], 2169 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, 2170 vport->port_state, phba->fc_topology_changed); 2171 } 2172 2173 /** 2174 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command 2175 * @phba: pointer to the hba structure to init the VPI for. 2176 * @mbox: pointer to lpfc mbox command to initialize. 2177 * @vpi: VPI to be initialized. 2178 * 2179 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the 2180 * command to activate a virtual N_Port. The HBA assigns a MAC address to use 2181 * with the virtual N Port. The SLI Host issues this command before issuing a 2182 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a 2183 * successful virtual NPort login. 2184 **/ 2185 void 2186 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) 2187 { 2188 memset(mbox, 0, sizeof(*mbox)); 2189 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); 2190 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, 2191 phba->vpi_ids[vpi]); 2192 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, 2193 phba->sli4_hba.vfi_ids[phba->pport->vfi]); 2194 } 2195 2196 /** 2197 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command 2198 * @mbox: pointer to lpfc mbox command to initialize. 2199 * @vport: vport associated with the VF. 2200 * 2201 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric 2202 * (logical NPort) into the inactive state. The SLI Host must have logged out 2203 * and unregistered all remote N_Ports to abort any activity on the virtual 2204 * fabric. The SLI Port posts the mailbox response after marking the virtual 2205 * fabric inactive. 2206 **/ 2207 void 2208 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2209 { 2210 memset(mbox, 0, sizeof(*mbox)); 2211 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); 2212 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, 2213 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2214 } 2215 2216 /** 2217 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 2218 * @phba: pointer to the hba structure containing. 2219 * @mbox: pointer to lpfc mbox command to initialize. 2220 * 2221 * This function create a SLI4 dump mailbox command to dump configure 2222 * region 23. 2223 **/ 2224 int 2225 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2226 { 2227 struct lpfc_dmabuf *mp = NULL; 2228 MAILBOX_t *mb; 2229 2230 memset(mbox, 0, sizeof(*mbox)); 2231 mb = &mbox->u.mb; 2232 2233 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2234 if (mp) 2235 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2236 2237 if (!mp || !mp->virt) { 2238 kfree(mp); 2239 /* dump config region 23 failed to allocate memory */ 2240 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2241 "2569 lpfc dump config region 23: memory" 2242 " allocation failed\n"); 2243 return 1; 2244 } 2245 2246 memset(mp->virt, 0, LPFC_BPL_SIZE); 2247 INIT_LIST_HEAD(&mp->list); 2248 2249 /* save address for completion */ 2250 mbox->context1 = (uint8_t *) mp; 2251 2252 mb->mbxCommand = MBX_DUMP_MEMORY; 2253 mb->un.varDmp.type = DMP_NV_PARAMS; 2254 mb->un.varDmp.region_id = DMP_REGION_23; 2255 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; 2256 mb->un.varWords[3] = putPaddrLow(mp->phys); 2257 mb->un.varWords[4] = putPaddrHigh(mp->phys); 2258 return 0; 2259 } 2260 2261 void 2262 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2263 { 2264 MAILBOX_t *mb; 2265 int rc = FAILURE; 2266 struct lpfc_rdp_context *rdp_context = 2267 (struct lpfc_rdp_context *)(mboxq->context2); 2268 2269 mb = &mboxq->u.mb; 2270 if (mb->mbxStatus) 2271 goto mbx_failed; 2272 2273 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); 2274 2275 rc = SUCCESS; 2276 2277 mbx_failed: 2278 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2279 rdp_context->cmpl(phba, rdp_context, rc); 2280 } 2281 2282 void 2283 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2284 { 2285 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) mbox->context1; 2286 struct lpfc_rdp_context *rdp_context = 2287 (struct lpfc_rdp_context *)(mbox->context2); 2288 2289 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2290 goto error_mbuf_free; 2291 2292 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, 2293 DMP_SFF_PAGE_A2_SIZE); 2294 2295 /* We don't need dma buffer for link stat. */ 2296 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2297 kfree(mp); 2298 2299 memset(mbox, 0, sizeof(*mbox)); 2300 lpfc_read_lnk_stat(phba, mbox); 2301 mbox->vport = rdp_context->ndlp->vport; 2302 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; 2303 mbox->context2 = (struct lpfc_rdp_context *) rdp_context; 2304 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) 2305 goto error_cmd_free; 2306 2307 return; 2308 2309 error_mbuf_free: 2310 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2311 kfree(mp); 2312 error_cmd_free: 2313 lpfc_sli4_mbox_cmd_free(phba, mbox); 2314 rdp_context->cmpl(phba, rdp_context, FAILURE); 2315 } 2316 2317 void 2318 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2319 { 2320 int rc; 2321 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (mbox->context1); 2322 struct lpfc_rdp_context *rdp_context = 2323 (struct lpfc_rdp_context *)(mbox->context2); 2324 2325 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2326 goto error; 2327 2328 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, 2329 DMP_SFF_PAGE_A0_SIZE); 2330 2331 memset(mbox, 0, sizeof(*mbox)); 2332 2333 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); 2334 INIT_LIST_HEAD(&mp->list); 2335 2336 /* save address for completion */ 2337 mbox->context1 = mp; 2338 mbox->vport = rdp_context->ndlp->vport; 2339 2340 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2341 bf_set(lpfc_mbx_memory_dump_type3_type, 2342 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2343 bf_set(lpfc_mbx_memory_dump_type3_link, 2344 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2345 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2346 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); 2347 bf_set(lpfc_mbx_memory_dump_type3_length, 2348 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); 2349 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2350 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2351 2352 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; 2353 mbox->context2 = (struct lpfc_rdp_context *) rdp_context; 2354 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 2355 if (rc == MBX_NOT_FINISHED) 2356 goto error; 2357 2358 return; 2359 2360 error: 2361 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2362 kfree(mp); 2363 lpfc_sli4_mbox_cmd_free(phba, mbox); 2364 rdp_context->cmpl(phba, rdp_context, FAILURE); 2365 } 2366 2367 2368 /* 2369 * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic. 2370 * @phba: pointer to the hba structure containing. 2371 * @mbox: pointer to lpfc mbox command to initialize. 2372 * 2373 * This function create a SLI4 dump mailbox command to dump configure 2374 * type 3 page 0xA0. 2375 */ 2376 int 2377 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2378 { 2379 struct lpfc_dmabuf *mp = NULL; 2380 2381 memset(mbox, 0, sizeof(*mbox)); 2382 2383 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2384 if (mp) 2385 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2386 if (!mp || !mp->virt) { 2387 kfree(mp); 2388 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2389 "3569 dump type 3 page 0xA0 allocation failed\n"); 2390 return 1; 2391 } 2392 2393 memset(mp->virt, 0, LPFC_BPL_SIZE); 2394 INIT_LIST_HEAD(&mp->list); 2395 2396 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2397 /* save address for completion */ 2398 mbox->context1 = mp; 2399 2400 bf_set(lpfc_mbx_memory_dump_type3_type, 2401 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2402 bf_set(lpfc_mbx_memory_dump_type3_link, 2403 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2404 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2405 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); 2406 bf_set(lpfc_mbx_memory_dump_type3_length, 2407 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); 2408 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2409 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2410 2411 return 0; 2412 } 2413 2414 /** 2415 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command 2416 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2417 * @mbox: pointer to lpfc mbox command to initialize. 2418 * 2419 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The 2420 * SLI Host uses the command to activate an FCF after it has acquired FCF 2421 * information via a READ_FCF mailbox command. This mailbox command also is used 2422 * to indicate where received unsolicited frames from this FCF will be sent. By 2423 * default this routine will set up the FCF to forward all unsolicited frames 2424 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2425 * more complicated setups. 2426 **/ 2427 void 2428 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2429 { 2430 struct lpfc_mbx_reg_fcfi *reg_fcfi; 2431 2432 memset(mbox, 0, sizeof(*mbox)); 2433 reg_fcfi = &mbox->u.mqe.un.reg_fcfi; 2434 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); 2435 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id); 2436 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); 2437 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2438 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2439 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, 2440 phba->fcf.current_rec.fcf_indx); 2441 /* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */ 2442 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3); 2443 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2444 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); 2445 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, 2446 phba->fcf.current_rec.vlan_id); 2447 } 2448 } 2449 2450 /** 2451 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command 2452 * @mbox: pointer to lpfc mbox command to initialize. 2453 * @fcfi: FCFI to be unregistered. 2454 * 2455 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). 2456 * The SLI Host uses the command to inactivate an FCFI. 2457 **/ 2458 void 2459 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) 2460 { 2461 memset(mbox, 0, sizeof(*mbox)); 2462 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); 2463 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); 2464 } 2465 2466 /** 2467 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command 2468 * @mbox: pointer to lpfc mbox command to initialize. 2469 * @ndlp: The nodelist structure that describes the RPI to resume. 2470 * 2471 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a 2472 * link event. 2473 **/ 2474 void 2475 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) 2476 { 2477 struct lpfc_hba *phba = ndlp->phba; 2478 struct lpfc_mbx_resume_rpi *resume_rpi; 2479 2480 memset(mbox, 0, sizeof(*mbox)); 2481 resume_rpi = &mbox->u.mqe.un.resume_rpi; 2482 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); 2483 bf_set(lpfc_resume_rpi_index, resume_rpi, 2484 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2485 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); 2486 resume_rpi->event_tag = ndlp->phba->fc_eventTag; 2487 } 2488 2489 /** 2490 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages 2491 * mailbox command. 2492 * @mbox: pointer to lpfc mbox command to initialize. 2493 * 2494 * The PORT_CAPABILITIES supported pages mailbox command is issued to 2495 * retrieve the particular feature pages supported by the port. 2496 **/ 2497 void 2498 lpfc_supported_pages(struct lpfcMboxq *mbox) 2499 { 2500 struct lpfc_mbx_supp_pages *supp_pages; 2501 2502 memset(mbox, 0, sizeof(*mbox)); 2503 supp_pages = &mbox->u.mqe.un.supp_pages; 2504 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2505 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES); 2506 } 2507 2508 /** 2509 * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd. 2510 * @mbox: pointer to lpfc mbox command to initialize. 2511 * 2512 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to 2513 * retrieve the particular SLI4 features supported by the port. 2514 **/ 2515 void 2516 lpfc_pc_sli4_params(struct lpfcMboxq *mbox) 2517 { 2518 struct lpfc_mbx_pc_sli4_params *sli4_params; 2519 2520 memset(mbox, 0, sizeof(*mbox)); 2521 sli4_params = &mbox->u.mqe.un.sli4_params; 2522 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2523 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS); 2524 } 2525