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