1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6 * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10 * * 11 * This program is free software; you can redistribute it and/or * 12 * modify it under the terms of version 2 of the GNU General * 13 * Public License as published by the Free Software Foundation. * 14 * This program is distributed in the hope that it will be useful. * 15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19 * TO BE LEGALLY INVALID. See the GNU General Public License for * 20 * more details, a copy of which can be found in the file COPYING * 21 * included with this package. * 22 *******************************************************************/ 23 24 #include <linux/blkdev.h> 25 #include <linux/pci.h> 26 #include <linux/slab.h> 27 #include <linux/interrupt.h> 28 29 #include <scsi/scsi_device.h> 30 #include <scsi/scsi_transport_fc.h> 31 #include <scsi/scsi.h> 32 #include <scsi/fc/fc_fs.h> 33 34 #include "lpfc_hw4.h" 35 #include "lpfc_hw.h" 36 #include "lpfc_sli.h" 37 #include "lpfc_sli4.h" 38 #include "lpfc_nl.h" 39 #include "lpfc_disc.h" 40 #include "lpfc_scsi.h" 41 #include "lpfc.h" 42 #include "lpfc_logmsg.h" 43 #include "lpfc_crtn.h" 44 #include "lpfc_compat.h" 45 46 /** 47 * lpfc_dump_static_vport - Dump HBA's static vport information. 48 * @phba: pointer to lpfc hba data structure. 49 * @pmb: pointer to the driver internal queue element for mailbox command. 50 * @offset: offset for dumping vport info. 51 * 52 * The dump mailbox command provides a method for the device driver to obtain 53 * various types of information from the HBA device. 54 * 55 * This routine prepares the mailbox command for dumping list of static 56 * vports to be created. 57 **/ 58 int 59 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 60 uint16_t offset) 61 { 62 MAILBOX_t *mb; 63 struct lpfc_dmabuf *mp; 64 65 mb = &pmb->u.mb; 66 67 /* Setup to dump vport info region */ 68 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 69 mb->mbxCommand = MBX_DUMP_MEMORY; 70 mb->un.varDmp.type = DMP_NV_PARAMS; 71 mb->un.varDmp.entry_index = offset; 72 mb->un.varDmp.region_id = DMP_REGION_VPORT; 73 mb->mbxOwner = OWN_HOST; 74 75 /* For SLI3 HBAs data is embedded in mailbox */ 76 if (phba->sli_rev != LPFC_SLI_REV4) { 77 mb->un.varDmp.cv = 1; 78 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t); 79 return 0; 80 } 81 82 /* For SLI4 HBAs driver need to allocate memory */ 83 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 84 if (mp) 85 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 86 87 if (!mp || !mp->virt) { 88 kfree(mp); 89 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 90 "2605 lpfc_dump_static_vport: memory" 91 " allocation failed\n"); 92 return 1; 93 } 94 memset(mp->virt, 0, LPFC_BPL_SIZE); 95 INIT_LIST_HEAD(&mp->list); 96 /* save address for completion */ 97 pmb->ctx_buf = (uint8_t *)mp; 98 mb->un.varWords[3] = putPaddrLow(mp->phys); 99 mb->un.varWords[4] = putPaddrHigh(mp->phys); 100 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info); 101 102 return 0; 103 } 104 105 /** 106 * lpfc_down_link - Bring down HBAs link. 107 * @phba: pointer to lpfc hba data structure. 108 * @pmb: pointer to the driver internal queue element for mailbox command. 109 * 110 * This routine prepares a mailbox command to bring down HBA link. 111 **/ 112 void 113 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 114 { 115 MAILBOX_t *mb; 116 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 117 mb = &pmb->u.mb; 118 mb->mbxCommand = MBX_DOWN_LINK; 119 mb->mbxOwner = OWN_HOST; 120 } 121 122 /** 123 * lpfc_dump_mem - Prepare a mailbox command for reading a region. 124 * @phba: pointer to lpfc hba data structure. 125 * @pmb: pointer to the driver internal queue element for mailbox command. 126 * @offset: offset into the region. 127 * @region_id: config region id. 128 * 129 * The dump mailbox command provides a method for the device driver to obtain 130 * various types of information from the HBA device. 131 * 132 * This routine prepares the mailbox command for dumping HBA's config region. 133 **/ 134 void 135 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset, 136 uint16_t region_id) 137 { 138 MAILBOX_t *mb; 139 void *ctx; 140 141 mb = &pmb->u.mb; 142 ctx = pmb->ctx_buf; 143 144 /* Setup to dump VPD region */ 145 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 146 mb->mbxCommand = MBX_DUMP_MEMORY; 147 mb->un.varDmp.cv = 1; 148 mb->un.varDmp.type = DMP_NV_PARAMS; 149 mb->un.varDmp.entry_index = offset; 150 mb->un.varDmp.region_id = region_id; 151 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); 152 mb->un.varDmp.co = 0; 153 mb->un.varDmp.resp_offset = 0; 154 pmb->ctx_buf = ctx; 155 mb->mbxOwner = OWN_HOST; 156 return; 157 } 158 159 /** 160 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params 161 * @phba: pointer to lpfc hba data structure. 162 * @pmb: pointer to the driver internal queue element for mailbox command. 163 * 164 * This function create a dump memory mailbox command to dump wake up 165 * parameters. 166 */ 167 void 168 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 169 { 170 MAILBOX_t *mb; 171 void *ctx; 172 173 mb = &pmb->u.mb; 174 /* Save context so that we can restore after memset */ 175 ctx = pmb->ctx_buf; 176 177 /* Setup to dump VPD region */ 178 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 179 mb->mbxCommand = MBX_DUMP_MEMORY; 180 mb->mbxOwner = OWN_HOST; 181 mb->un.varDmp.cv = 1; 182 mb->un.varDmp.type = DMP_NV_PARAMS; 183 if (phba->sli_rev < LPFC_SLI_REV4) 184 mb->un.varDmp.entry_index = 0; 185 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; 186 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; 187 mb->un.varDmp.co = 0; 188 mb->un.varDmp.resp_offset = 0; 189 pmb->ctx_buf = ctx; 190 return; 191 } 192 193 /** 194 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param 195 * @phba: pointer to lpfc hba data structure. 196 * @pmb: pointer to the driver internal queue element for mailbox command. 197 * 198 * The read NVRAM mailbox command returns the HBA's non-volatile parameters 199 * that are used as defaults when the Fibre Channel link is brought on-line. 200 * 201 * This routine prepares the mailbox command for reading information stored 202 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. 203 **/ 204 void 205 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 206 { 207 MAILBOX_t *mb; 208 209 mb = &pmb->u.mb; 210 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 211 mb->mbxCommand = MBX_READ_NV; 212 mb->mbxOwner = OWN_HOST; 213 return; 214 } 215 216 /** 217 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event 218 * @phba: pointer to lpfc hba data structure. 219 * @pmb: pointer to the driver internal queue element for mailbox command. 220 * @ring: ring number for the asynchronous event to be configured. 221 * 222 * The asynchronous event enable mailbox command is used to enable the 223 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and 224 * specifies the default ring to which events are posted. 225 * 226 * This routine prepares the mailbox command for enabling HBA asynchronous 227 * event support on a IOCB ring. 228 **/ 229 void 230 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, 231 uint32_t ring) 232 { 233 MAILBOX_t *mb; 234 235 mb = &pmb->u.mb; 236 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 237 mb->mbxCommand = MBX_ASYNCEVT_ENABLE; 238 mb->un.varCfgAsyncEvent.ring = ring; 239 mb->mbxOwner = OWN_HOST; 240 return; 241 } 242 243 /** 244 * lpfc_heart_beat - Prepare a mailbox command for heart beat 245 * @phba: pointer to lpfc hba data structure. 246 * @pmb: pointer to the driver internal queue element for mailbox command. 247 * 248 * The heart beat mailbox command is used to detect an unresponsive HBA, which 249 * is defined as any device where no error attention is sent and both mailbox 250 * and rings are not processed. 251 * 252 * This routine prepares the mailbox command for issuing a heart beat in the 253 * form of mailbox command to the HBA. The timely completion of the heart 254 * beat mailbox command indicates the health of the HBA. 255 **/ 256 void 257 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 258 { 259 MAILBOX_t *mb; 260 261 mb = &pmb->u.mb; 262 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 263 mb->mbxCommand = MBX_HEARTBEAT; 264 mb->mbxOwner = OWN_HOST; 265 return; 266 } 267 268 /** 269 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology 270 * @phba: pointer to lpfc hba data structure. 271 * @pmb: pointer to the driver internal queue element for mailbox command. 272 * @mp: DMA buffer memory for reading the link attention information into. 273 * 274 * The read topology mailbox command is issued to read the link topology 275 * information indicated by the HBA port when the Link Event bit of the Host 276 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link 277 * Attention ACQE is received from the port (For SLI-4). A Link Event 278 * Attention occurs based on an exception detected at the Fibre Channel link 279 * interface. 280 * 281 * This routine prepares the mailbox command for reading HBA link topology 282 * information. A DMA memory has been set aside and address passed to the 283 * HBA through @mp for the HBA to DMA link attention information into the 284 * memory as part of the execution of the mailbox command. 285 * 286 * Return codes 287 * 0 - Success (currently always return 0) 288 **/ 289 int 290 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 291 struct lpfc_dmabuf *mp) 292 { 293 MAILBOX_t *mb; 294 295 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->ctx_buf = (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.cscn = 0; 380 if (phba->bbcredit_support && phba->cfg_enable_bbcr) { 381 mb->un.varCfgLnk.cscn = 1; 382 mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def, 383 &phba->sli4_hba.bbscn_params); 384 } 385 386 if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) 387 mb->un.varCfgLnk.ack0_enable = 1; 388 389 mb->mbxCommand = MBX_CONFIG_LINK; 390 mb->mbxOwner = OWN_HOST; 391 return; 392 } 393 394 /** 395 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x 396 * @phba: pointer to lpfc hba data structure. 397 * @pmb: pointer to the driver internal queue element for mailbox command. 398 * 399 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 400 * MSI-X multi-message interrupt vector association to interrupt attention 401 * conditions. 402 * 403 * Return codes 404 * 0 - Success 405 * -EINVAL - Failure 406 **/ 407 int 408 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 409 { 410 MAILBOX_t *mb = &pmb->u.mb; 411 uint32_t attentionConditions[2]; 412 413 /* Sanity check */ 414 if (phba->cfg_use_msi != 2) { 415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 416 "0475 Not configured for supporting MSI-X " 417 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); 418 return -EINVAL; 419 } 420 421 if (phba->sli_rev < 3) { 422 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 423 "0476 HBA not supporting SLI-3 or later " 424 "SLI Revision: 0x%x\n", phba->sli_rev); 425 return -EINVAL; 426 } 427 428 /* Clear mailbox command fields */ 429 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 430 431 /* 432 * SLI-3, Message Signaled Interrupt Fearure. 433 */ 434 435 /* Multi-message attention configuration */ 436 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | 437 HA_LATT | HA_MBATT); 438 attentionConditions[1] = 0; 439 440 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; 441 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; 442 443 /* 444 * Set up message number to HA bit association 445 */ 446 #ifdef __BIG_ENDIAN_BITFIELD 447 /* RA0 (FCP Ring) */ 448 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; 449 /* RA1 (Other Protocol Extra Ring) */ 450 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; 451 #else /* __LITTLE_ENDIAN_BITFIELD */ 452 /* RA0 (FCP Ring) */ 453 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; 454 /* RA1 (Other Protocol Extra Ring) */ 455 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; 456 #endif 457 /* Multi-message interrupt autoclear configuration*/ 458 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; 459 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; 460 461 /* For now, HBA autoclear does not work reliably, disable it */ 462 mb->un.varCfgMSI.autoClearHA[0] = 0; 463 mb->un.varCfgMSI.autoClearHA[1] = 0; 464 465 /* Set command and owner bit */ 466 mb->mbxCommand = MBX_CONFIG_MSI; 467 mb->mbxOwner = OWN_HOST; 468 469 return 0; 470 } 471 472 /** 473 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA 474 * @phba: pointer to lpfc hba data structure. 475 * @pmb: pointer to the driver internal queue element for mailbox command. 476 * @topology: the link topology for the link to be initialized to. 477 * @linkspeed: the link speed for the link to be initialized to. 478 * 479 * The initialize link mailbox command is used to initialize the Fibre 480 * Channel link. This command must follow a configure port command that 481 * establishes the mode of operation. 482 * 483 * This routine prepares the mailbox command for initializing link on a HBA 484 * with the specified link topology and speed. 485 **/ 486 void 487 lpfc_init_link(struct lpfc_hba * phba, 488 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) 489 { 490 lpfc_vpd_t *vpd; 491 MAILBOX_t *mb; 492 493 mb = &pmb->u.mb; 494 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 495 496 switch (topology) { 497 case FLAGS_TOPOLOGY_MODE_LOOP_PT: 498 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 499 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 500 break; 501 case FLAGS_TOPOLOGY_MODE_PT_PT: 502 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 503 break; 504 case FLAGS_TOPOLOGY_MODE_LOOP: 505 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 506 break; 507 case FLAGS_TOPOLOGY_MODE_PT_LOOP: 508 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 509 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 510 break; 511 case FLAGS_LOCAL_LB: 512 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; 513 break; 514 } 515 516 if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC || 517 phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) && 518 !(phba->sli4_hba.pc_sli4_params.pls) && 519 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { 520 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 521 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; 522 } 523 524 /* Enable asynchronous ABTS responses from firmware */ 525 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 526 527 /* NEW_FEATURE 528 * Setting up the link speed 529 */ 530 vpd = &phba->vpd; 531 if (vpd->rev.feaLevelHigh >= 0x02){ 532 switch(linkspeed){ 533 case LPFC_USER_LINK_SPEED_1G: 534 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 535 mb->un.varInitLnk.link_speed = LINK_SPEED_1G; 536 break; 537 case LPFC_USER_LINK_SPEED_2G: 538 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 539 mb->un.varInitLnk.link_speed = LINK_SPEED_2G; 540 break; 541 case LPFC_USER_LINK_SPEED_4G: 542 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 543 mb->un.varInitLnk.link_speed = LINK_SPEED_4G; 544 break; 545 case LPFC_USER_LINK_SPEED_8G: 546 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 547 mb->un.varInitLnk.link_speed = LINK_SPEED_8G; 548 break; 549 case LPFC_USER_LINK_SPEED_10G: 550 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 551 mb->un.varInitLnk.link_speed = LINK_SPEED_10G; 552 break; 553 case LPFC_USER_LINK_SPEED_16G: 554 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 555 mb->un.varInitLnk.link_speed = LINK_SPEED_16G; 556 break; 557 case LPFC_USER_LINK_SPEED_32G: 558 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 559 mb->un.varInitLnk.link_speed = LINK_SPEED_32G; 560 break; 561 case LPFC_USER_LINK_SPEED_64G: 562 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 563 mb->un.varInitLnk.link_speed = LINK_SPEED_64G; 564 break; 565 case LPFC_USER_LINK_SPEED_AUTO: 566 default: 567 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 568 break; 569 } 570 571 } 572 else 573 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 574 575 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 576 mb->mbxOwner = OWN_HOST; 577 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 578 return; 579 } 580 581 /** 582 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters 583 * @phba: pointer to lpfc hba data structure. 584 * @pmb: pointer to the driver internal queue element for mailbox command. 585 * @vpi: virtual N_Port identifier. 586 * 587 * The read service parameter mailbox command is used to read the HBA port 588 * service parameters. The service parameters are read into the buffer 589 * specified directly by a BDE in the mailbox command. These service 590 * parameters may then be used to build the payload of an N_Port/F_POrt 591 * login request and reply (LOGI/ACC). 592 * 593 * This routine prepares the mailbox command for reading HBA port service 594 * parameters. The DMA memory is allocated in this function and the addresses 595 * are populated into the mailbox command for the HBA to DMA the service 596 * parameters into. 597 * 598 * Return codes 599 * 0 - Success 600 * 1 - DMA memory allocation failed 601 **/ 602 int 603 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 604 { 605 struct lpfc_dmabuf *mp; 606 MAILBOX_t *mb; 607 608 mb = &pmb->u.mb; 609 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 610 611 mb->mbxOwner = OWN_HOST; 612 613 /* Get a buffer to hold the HBAs Service Parameters */ 614 615 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 616 if (mp) 617 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 618 if (!mp || !mp->virt) { 619 kfree(mp); 620 mb->mbxCommand = MBX_READ_SPARM64; 621 /* READ_SPARAM: no buffers */ 622 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 623 "0301 READ_SPARAM: no buffers\n"); 624 return (1); 625 } 626 INIT_LIST_HEAD(&mp->list); 627 mb->mbxCommand = MBX_READ_SPARM64; 628 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 629 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 630 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 631 if (phba->sli_rev >= LPFC_SLI_REV3) 632 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; 633 634 /* save address for completion */ 635 pmb->ctx_buf = mp; 636 637 return (0); 638 } 639 640 /** 641 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID 642 * @phba: pointer to lpfc hba data structure. 643 * @vpi: virtual N_Port identifier. 644 * @did: remote port identifier. 645 * @pmb: pointer to the driver internal queue element for mailbox command. 646 * 647 * The unregister DID mailbox command is used to unregister an N_Port/F_Port 648 * login for an unknown RPI by specifying the DID of a remote port. This 649 * command frees an RPI context in the HBA port. This has the effect of 650 * performing an implicit N_Port/F_Port logout. 651 * 652 * This routine prepares the mailbox command for unregistering a remote 653 * N_Port/F_Port (DID) login. 654 **/ 655 void 656 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 657 LPFC_MBOXQ_t * pmb) 658 { 659 MAILBOX_t *mb; 660 661 mb = &pmb->u.mb; 662 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 663 664 mb->un.varUnregDID.did = did; 665 mb->un.varUnregDID.vpi = vpi; 666 if ((vpi != 0xffff) && 667 (phba->sli_rev == LPFC_SLI_REV4)) 668 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; 669 670 mb->mbxCommand = MBX_UNREG_D_ID; 671 mb->mbxOwner = OWN_HOST; 672 return; 673 } 674 675 /** 676 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration 677 * @phba: pointer to lpfc hba data structure. 678 * @pmb: pointer to the driver internal queue element for mailbox command. 679 * 680 * The read configuration mailbox command is used to read the HBA port 681 * configuration parameters. This mailbox command provides a method for 682 * seeing any parameters that may have changed via various configuration 683 * mailbox commands. 684 * 685 * This routine prepares the mailbox command for reading out HBA configuration 686 * parameters. 687 **/ 688 void 689 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 690 { 691 MAILBOX_t *mb; 692 693 mb = &pmb->u.mb; 694 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 695 696 mb->mbxCommand = MBX_READ_CONFIG; 697 mb->mbxOwner = OWN_HOST; 698 return; 699 } 700 701 /** 702 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats 703 * @phba: pointer to lpfc hba data structure. 704 * @pmb: pointer to the driver internal queue element for mailbox command. 705 * 706 * The read link status mailbox command is used to read the link status from 707 * the HBA. Link status includes all link-related error counters. These 708 * counters are maintained by the HBA and originated in the link hardware 709 * unit. Note that all of these counters wrap. 710 * 711 * This routine prepares the mailbox command for reading out HBA link status. 712 **/ 713 void 714 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 715 { 716 MAILBOX_t *mb; 717 718 mb = &pmb->u.mb; 719 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 720 721 mb->mbxCommand = MBX_READ_LNK_STAT; 722 mb->mbxOwner = OWN_HOST; 723 return; 724 } 725 726 /** 727 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login 728 * @phba: pointer to lpfc hba data structure. 729 * @vpi: virtual N_Port identifier. 730 * @did: remote port identifier. 731 * @param: pointer to memory holding the server parameters. 732 * @pmb: pointer to the driver internal queue element for mailbox command. 733 * @rpi: the rpi to use in the registration (usually only used for SLI4. 734 * 735 * The registration login mailbox command is used to register an N_Port or 736 * F_Port login. This registration allows the HBA to cache the remote N_Port 737 * service parameters internally and thereby make the appropriate FC-2 738 * decisions. The remote port service parameters are handed off by the driver 739 * to the HBA using a descriptor entry that directly identifies a buffer in 740 * host memory. In exchange, the HBA returns an RPI identifier. 741 * 742 * This routine prepares the mailbox command for registering remote port login. 743 * The function allocates DMA buffer for passing the service parameters to the 744 * HBA with the mailbox command. 745 * 746 * Return codes 747 * 0 - Success 748 * 1 - DMA memory allocation failed 749 **/ 750 int 751 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 752 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) 753 { 754 MAILBOX_t *mb = &pmb->u.mb; 755 uint8_t *sparam; 756 struct lpfc_dmabuf *mp; 757 758 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 759 760 mb->un.varRegLogin.rpi = 0; 761 if (phba->sli_rev == LPFC_SLI_REV4) 762 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; 763 if (phba->sli_rev >= LPFC_SLI_REV3) 764 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; 765 mb->un.varRegLogin.did = did; 766 mb->mbxOwner = OWN_HOST; 767 /* Get a buffer to hold NPorts Service Parameters */ 768 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 769 if (mp) 770 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 771 if (!mp || !mp->virt) { 772 kfree(mp); 773 mb->mbxCommand = MBX_REG_LOGIN64; 774 /* REG_LOGIN: no buffers */ 775 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 776 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 777 "rpi x%x\n", vpi, did, rpi); 778 return 1; 779 } 780 INIT_LIST_HEAD(&mp->list); 781 sparam = mp->virt; 782 783 /* Copy param's into a new buffer */ 784 memcpy(sparam, param, sizeof (struct serv_parm)); 785 786 /* save address for completion */ 787 pmb->ctx_buf = (uint8_t *)mp; 788 789 mb->mbxCommand = MBX_REG_LOGIN64; 790 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 791 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 792 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 793 794 return 0; 795 } 796 797 /** 798 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login 799 * @phba: pointer to lpfc hba data structure. 800 * @vpi: virtual N_Port identifier. 801 * @rpi: remote port identifier 802 * @pmb: pointer to the driver internal queue element for mailbox command. 803 * 804 * The unregistration login mailbox command is used to unregister an N_Port 805 * or F_Port login. This command frees an RPI context in the HBA. It has the 806 * effect of performing an implicit N_Port/F_Port logout. 807 * 808 * This routine prepares the mailbox command for unregistering remote port 809 * login. 810 * 811 * For SLI4 ports, the rpi passed to this function must be the physical 812 * rpi value, not the logical index. 813 **/ 814 void 815 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 816 LPFC_MBOXQ_t * pmb) 817 { 818 MAILBOX_t *mb; 819 820 mb = &pmb->u.mb; 821 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 822 823 mb->un.varUnregLogin.rpi = rpi; 824 mb->un.varUnregLogin.rsvd1 = 0; 825 if (phba->sli_rev >= LPFC_SLI_REV3) 826 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; 827 828 mb->mbxCommand = MBX_UNREG_LOGIN; 829 mb->mbxOwner = OWN_HOST; 830 831 return; 832 } 833 834 /** 835 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. 836 * @vport: pointer to a vport object. 837 * 838 * This routine sends mailbox command to unregister all active RPIs for 839 * a vport. 840 **/ 841 void 842 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) 843 { 844 struct lpfc_hba *phba = vport->phba; 845 LPFC_MBOXQ_t *mbox; 846 int rc; 847 848 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 849 if (mbox) { 850 /* 851 * For SLI4 functions, the rpi field is overloaded for 852 * the vport context unreg all. This routine passes 853 * 0 for the rpi field in lpfc_unreg_login for compatibility 854 * with SLI3 and then overrides the rpi field with the 855 * expected value for SLI4. 856 */ 857 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], 858 mbox); 859 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; 860 mbox->vport = vport; 861 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 862 mbox->ctx_ndlp = NULL; 863 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 864 if (rc == MBX_NOT_FINISHED) 865 mempool_free(mbox, phba->mbox_mem_pool); 866 } 867 } 868 869 /** 870 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier 871 * @phba: pointer to lpfc hba data structure. 872 * @vpi: virtual N_Port identifier. 873 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). 874 * @pmb: pointer to the driver internal queue element for mailbox command. 875 * 876 * The registration vport identifier mailbox command is used to activate a 877 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 878 * N_Port_ID against the information in the selected virtual N_Port context 879 * block and marks it active to allow normal processing of IOCB commands and 880 * received unsolicited exchanges. 881 * 882 * This routine prepares the mailbox command for registering a virtual N_Port. 883 **/ 884 void 885 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) 886 { 887 MAILBOX_t *mb = &pmb->u.mb; 888 struct lpfc_hba *phba = vport->phba; 889 890 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 891 /* 892 * Set the re-reg VPI bit for f/w to update the MAC address. 893 */ 894 if ((phba->sli_rev == LPFC_SLI_REV4) && 895 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) 896 mb->un.varRegVpi.upd = 1; 897 898 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; 899 mb->un.varRegVpi.sid = vport->fc_myDID; 900 if (phba->sli_rev == LPFC_SLI_REV4) 901 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; 902 else 903 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; 904 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, 905 sizeof(struct lpfc_name)); 906 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); 907 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); 908 909 mb->mbxCommand = MBX_REG_VPI; 910 mb->mbxOwner = OWN_HOST; 911 return; 912 913 } 914 915 /** 916 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id 917 * @phba: pointer to lpfc hba data structure. 918 * @vpi: virtual N_Port identifier. 919 * @pmb: pointer to the driver internal queue element for mailbox command. 920 * 921 * The unregistration vport identifier mailbox command is used to inactivate 922 * a virtual N_Port. The driver must have logged out and unregistered all 923 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 924 * unregisters any default RPIs associated with the specified vpi, aborting 925 * any active exchanges. The HBA will post the mailbox response after making 926 * the virtual N_Port inactive. 927 * 928 * This routine prepares the mailbox command for unregistering a virtual 929 * N_Port. 930 **/ 931 void 932 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 933 { 934 MAILBOX_t *mb = &pmb->u.mb; 935 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 936 937 if (phba->sli_rev == LPFC_SLI_REV3) 938 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; 939 else if (phba->sli_rev >= LPFC_SLI_REV4) 940 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; 941 942 mb->mbxCommand = MBX_UNREG_VPI; 943 mb->mbxOwner = OWN_HOST; 944 return; 945 946 } 947 948 /** 949 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) 950 * @phba: pointer to lpfc hba data structure. 951 * 952 * This routine sets up and initializes the IOCB rings in the Port Control 953 * Block (PCB). 954 **/ 955 static void 956 lpfc_config_pcb_setup(struct lpfc_hba * phba) 957 { 958 struct lpfc_sli *psli = &phba->sli; 959 struct lpfc_sli_ring *pring; 960 PCB_t *pcbp = phba->pcb; 961 dma_addr_t pdma_addr; 962 uint32_t offset; 963 uint32_t iocbCnt = 0; 964 int i; 965 966 pcbp->maxRing = (psli->num_rings - 1); 967 968 for (i = 0; i < psli->num_rings; i++) { 969 pring = &psli->sli3_ring[i]; 970 971 pring->sli.sli3.sizeCiocb = 972 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : 973 SLI2_IOCB_CMD_SIZE; 974 pring->sli.sli3.sizeRiocb = 975 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : 976 SLI2_IOCB_RSP_SIZE; 977 /* A ring MUST have both cmd and rsp entries defined to be 978 valid */ 979 if ((pring->sli.sli3.numCiocb == 0) || 980 (pring->sli.sli3.numRiocb == 0)) { 981 pcbp->rdsc[i].cmdEntries = 0; 982 pcbp->rdsc[i].rspEntries = 0; 983 pcbp->rdsc[i].cmdAddrHigh = 0; 984 pcbp->rdsc[i].rspAddrHigh = 0; 985 pcbp->rdsc[i].cmdAddrLow = 0; 986 pcbp->rdsc[i].rspAddrLow = 0; 987 pring->sli.sli3.cmdringaddr = NULL; 988 pring->sli.sli3.rspringaddr = NULL; 989 continue; 990 } 991 /* Command ring setup for ring */ 992 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 993 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; 994 995 offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 996 (uint8_t *) phba->slim2p.virt; 997 pdma_addr = phba->slim2p.phys + offset; 998 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 999 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 1000 iocbCnt += pring->sli.sli3.numCiocb; 1001 1002 /* Response ring setup for ring */ 1003 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 1004 1005 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; 1006 offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 1007 (uint8_t *)phba->slim2p.virt; 1008 pdma_addr = phba->slim2p.phys + offset; 1009 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 1010 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 1011 iocbCnt += pring->sli.sli3.numRiocb; 1012 } 1013 } 1014 1015 /** 1016 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision 1017 * @phba: pointer to lpfc hba data structure. 1018 * @pmb: pointer to the driver internal queue element for mailbox command. 1019 * 1020 * The read revision mailbox command is used to read the revision levels of 1021 * the HBA components. These components include hardware units, resident 1022 * firmware, and available firmware. HBAs that supports SLI-3 mode of 1023 * operation provide different response information depending on the version 1024 * requested by the driver. 1025 * 1026 * This routine prepares the mailbox command for reading HBA revision 1027 * information. 1028 **/ 1029 void 1030 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1031 { 1032 MAILBOX_t *mb = &pmb->u.mb; 1033 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1034 mb->un.varRdRev.cv = 1; 1035 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 1036 mb->mbxCommand = MBX_READ_REV; 1037 mb->mbxOwner = OWN_HOST; 1038 return; 1039 } 1040 1041 void 1042 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1043 { 1044 MAILBOX_t *mb = &pmb->u.mb; 1045 struct lpfc_mqe *mqe; 1046 1047 switch (mb->mbxCommand) { 1048 case MBX_READ_REV: 1049 mqe = &pmb->u.mqe; 1050 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, 1051 mqe->un.read_rev.fw_name, 16); 1052 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, 1053 mqe->un.read_rev.ulp_fw_name, 16); 1054 break; 1055 default: 1056 break; 1057 } 1058 return; 1059 } 1060 1061 /** 1062 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 1063 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1064 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1065 * 1066 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 1067 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 1068 * the Sequence Length Test using the fields in the Selection Profile 2 1069 * extension in words 20:31. 1070 **/ 1071 static void 1072 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 1073 struct lpfc_hbq_init *hbq_desc) 1074 { 1075 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 1076 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 1077 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 1078 } 1079 1080 /** 1081 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 1082 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1083 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1084 * 1085 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 1086 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 1087 * the Sequence Length Test and Byte Field Test using the fields in the 1088 * Selection Profile 3 extension in words 20:31. 1089 **/ 1090 static void 1091 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 1092 struct lpfc_hbq_init *hbq_desc) 1093 { 1094 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 1095 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 1096 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 1097 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 1098 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 1099 sizeof(hbqmb->profiles.profile3.cmdmatch)); 1100 } 1101 1102 /** 1103 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 1104 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1105 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1106 * 1107 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 1108 * HBA tests the initial frame of an incoming sequence using the frame's 1109 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 1110 * and Byte Field Test using the fields in the Selection Profile 5 extension 1111 * words 20:31. 1112 **/ 1113 static void 1114 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 1115 struct lpfc_hbq_init *hbq_desc) 1116 { 1117 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 1118 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 1119 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 1120 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 1121 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 1122 sizeof(hbqmb->profiles.profile5.cmdmatch)); 1123 } 1124 1125 /** 1126 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ 1127 * @phba: pointer to lpfc hba data structure. 1128 * @id: HBQ identifier. 1129 * @hbq_desc: pointer to the HBA descriptor data structure. 1130 * @hbq_entry_index: index of the HBQ entry data structures. 1131 * @pmb: pointer to the driver internal queue element for mailbox command. 1132 * 1133 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 1134 * an HBQ. The configuration binds events that require buffers to a particular 1135 * ring and HBQ based on a selection profile. 1136 * 1137 * This routine prepares the mailbox command for configuring an HBQ. 1138 **/ 1139 void 1140 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 1141 struct lpfc_hbq_init *hbq_desc, 1142 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 1143 { 1144 int i; 1145 MAILBOX_t *mb = &pmb->u.mb; 1146 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 1147 1148 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1149 hbqmb->hbqId = id; 1150 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 1151 hbqmb->recvNotify = hbq_desc->rn; /* Receive 1152 * Notification */ 1153 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 1154 * # in words 0-19 */ 1155 hbqmb->profile = hbq_desc->profile; /* Selection profile: 1156 * 0 = all, 1157 * 7 = logentry */ 1158 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 1159 * e.g. Ring0=b0001, 1160 * ring2=b0100 */ 1161 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 1162 * or 5 */ 1163 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 1164 * HBQ will be used 1165 * for LogEntry 1166 * buffers */ 1167 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 1168 hbq_entry_index * sizeof(struct lpfc_hbq_entry); 1169 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 1170 1171 mb->mbxCommand = MBX_CONFIG_HBQ; 1172 mb->mbxOwner = OWN_HOST; 1173 1174 /* Copy info for profiles 2,3,5. Other 1175 * profiles this area is reserved 1176 */ 1177 if (hbq_desc->profile == 2) 1178 lpfc_build_hbq_profile2(hbqmb, hbq_desc); 1179 else if (hbq_desc->profile == 3) 1180 lpfc_build_hbq_profile3(hbqmb, hbq_desc); 1181 else if (hbq_desc->profile == 5) 1182 lpfc_build_hbq_profile5(hbqmb, hbq_desc); 1183 1184 /* Return if no rctl / type masks for this HBQ */ 1185 if (!hbq_desc->mask_count) 1186 return; 1187 1188 /* Otherwise we setup specific rctl / type masks for this HBQ */ 1189 for (i = 0; i < hbq_desc->mask_count; i++) { 1190 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 1191 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 1192 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 1193 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 1194 } 1195 1196 return; 1197 } 1198 1199 /** 1200 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring 1201 * @phba: pointer to lpfc hba data structure. 1202 * @ring: 1203 * @pmb: pointer to the driver internal queue element for mailbox command. 1204 * 1205 * The configure ring mailbox command is used to configure an IOCB ring. This 1206 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1207 * ring. This is used to map incoming sequences to a particular ring whose 1208 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1209 * attempt to configure a ring whose number is greater than the number 1210 * specified in the Port Control Block (PCB). It is an error to issue the 1211 * configure ring command more than once with the same ring number. The HBA 1212 * returns an error if the driver attempts this. 1213 * 1214 * This routine prepares the mailbox command for configuring IOCB ring. 1215 **/ 1216 void 1217 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1218 { 1219 int i; 1220 MAILBOX_t *mb = &pmb->u.mb; 1221 struct lpfc_sli *psli; 1222 struct lpfc_sli_ring *pring; 1223 1224 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1225 1226 mb->un.varCfgRing.ring = ring; 1227 mb->un.varCfgRing.maxOrigXchg = 0; 1228 mb->un.varCfgRing.maxRespXchg = 0; 1229 mb->un.varCfgRing.recvNotify = 1; 1230 1231 psli = &phba->sli; 1232 pring = &psli->sli3_ring[ring]; 1233 mb->un.varCfgRing.numMask = pring->num_mask; 1234 mb->mbxCommand = MBX_CONFIG_RING; 1235 mb->mbxOwner = OWN_HOST; 1236 1237 /* Is this ring configured for a specific profile */ 1238 if (pring->prt[0].profile) { 1239 mb->un.varCfgRing.profile = pring->prt[0].profile; 1240 return; 1241 } 1242 1243 /* Otherwise we setup specific rctl / type masks for this ring */ 1244 for (i = 0; i < pring->num_mask; i++) { 1245 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1246 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) 1247 mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1248 else 1249 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1250 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1251 mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1252 } 1253 1254 return; 1255 } 1256 1257 /** 1258 * lpfc_config_port - Prepare a mailbox command for configuring port 1259 * @phba: pointer to lpfc hba data structure. 1260 * @pmb: pointer to the driver internal queue element for mailbox command. 1261 * 1262 * The configure port mailbox command is used to identify the Port Control 1263 * Block (PCB) in the driver memory. After this command is issued, the 1264 * driver must not access the mailbox in the HBA without first resetting 1265 * the HBA. The HBA may copy the PCB information to internal storage for 1266 * subsequent use; the driver can not change the PCB information unless it 1267 * resets the HBA. 1268 * 1269 * This routine prepares the mailbox command for configuring port. 1270 **/ 1271 void 1272 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1273 { 1274 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1275 MAILBOX_t *mb = &pmb->u.mb; 1276 dma_addr_t pdma_addr; 1277 uint32_t bar_low, bar_high; 1278 size_t offset; 1279 struct lpfc_hgp hgp; 1280 int i; 1281 uint32_t pgp_offset; 1282 1283 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1284 mb->mbxCommand = MBX_CONFIG_PORT; 1285 mb->mbxOwner = OWN_HOST; 1286 1287 mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1288 1289 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 1290 pdma_addr = phba->slim2p.phys + offset; 1291 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1292 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1293 1294 /* Always Host Group Pointer is in SLIM */ 1295 mb->un.varCfgPort.hps = 1; 1296 1297 /* If HBA supports SLI=3 ask for it */ 1298 1299 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { 1300 if (phba->cfg_enable_bg) 1301 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1302 if (phba->cfg_enable_dss) 1303 mb->un.varCfgPort.cdss = 1; /* Configure Security */ 1304 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 1305 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 1306 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 1307 if (phba->max_vpi && phba->cfg_enable_npiv && 1308 phba->vpd.sli3Feat.cmv) { 1309 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; 1310 mb->un.varCfgPort.cmv = 1; 1311 } else 1312 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 1313 } else 1314 phba->sli_rev = LPFC_SLI_REV2; 1315 mb->un.varCfgPort.sli_mode = phba->sli_rev; 1316 1317 /* If this is an SLI3 port, configure async status notification. */ 1318 if (phba->sli_rev == LPFC_SLI_REV3) 1319 mb->un.varCfgPort.casabt = 1; 1320 1321 /* Now setup pcb */ 1322 phba->pcb->type = TYPE_NATIVE_SLI2; 1323 phba->pcb->feature = FEATURE_INITIAL_SLI2; 1324 1325 /* Setup Mailbox pointers */ 1326 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; 1327 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 1328 pdma_addr = phba->slim2p.phys + offset; 1329 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 1330 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1331 1332 /* 1333 * Setup Host Group ring pointer. 1334 * 1335 * For efficiency reasons, the ring get/put pointers can be 1336 * placed in adapter memory (SLIM) rather than in host memory. 1337 * This allows firmware to avoid PCI reads/writes when updating 1338 * and checking pointers. 1339 * 1340 * The firmware recognizes the use of SLIM memory by comparing 1341 * the address of the get/put pointers structure with that of 1342 * the SLIM BAR (BAR0). 1343 * 1344 * Caution: be sure to use the PCI config space value of BAR0/BAR1 1345 * (the hardware's view of the base address), not the OS's 1346 * value of pci_resource_start() as the OS value may be a cookie 1347 * for ioremap/iomap. 1348 */ 1349 1350 1351 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1352 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1353 1354 /* 1355 * Set up HGP - Port Memory 1356 * 1357 * The port expects the host get/put pointers to reside in memory 1358 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1359 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1360 * words (0x40 bytes). This area is not reserved if HBQs are 1361 * configured in SLI-3. 1362 * 1363 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1364 * RR0Get 0xc4 0x84 1365 * CR1Put 0xc8 0x88 1366 * RR1Get 0xcc 0x8c 1367 * CR2Put 0xd0 0x90 1368 * RR2Get 0xd4 0x94 1369 * CR3Put 0xd8 0x98 1370 * RR3Get 0xdc 0x9c 1371 * 1372 * Reserved 0xa0-0xbf 1373 * If HBQs configured: 1374 * HBQ 0 Put ptr 0xc0 1375 * HBQ 1 Put ptr 0xc4 1376 * HBQ 2 Put ptr 0xc8 1377 * ...... 1378 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1379 * 1380 */ 1381 1382 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { 1383 phba->host_gp = &phba->mbox->us.s2.host[0]; 1384 phba->hbq_put = NULL; 1385 offset = (uint8_t *)&phba->mbox->us.s2.host - 1386 (uint8_t *)phba->slim2p.virt; 1387 pdma_addr = phba->slim2p.phys + offset; 1388 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); 1389 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); 1390 } else { 1391 /* Always Host Group Pointer is in SLIM */ 1392 mb->un.varCfgPort.hps = 1; 1393 1394 if (phba->sli_rev == 3) { 1395 phba->host_gp = &mb_slim->us.s3.host[0]; 1396 phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1397 } else { 1398 phba->host_gp = &mb_slim->us.s2.host[0]; 1399 phba->hbq_put = NULL; 1400 } 1401 1402 /* mask off BAR0's flag bits 0 - 3 */ 1403 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1404 (void __iomem *)phba->host_gp - 1405 (void __iomem *)phba->MBslimaddr; 1406 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 1407 phba->pcb->hgpAddrHigh = bar_high; 1408 else 1409 phba->pcb->hgpAddrHigh = 0; 1410 /* write HGP data to SLIM at the required longword offset */ 1411 memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1412 1413 for (i = 0; i < phba->sli.num_rings; i++) { 1414 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1415 sizeof(*phba->host_gp)); 1416 } 1417 } 1418 1419 /* Setup Port Group offset */ 1420 if (phba->sli_rev == 3) 1421 pgp_offset = offsetof(struct lpfc_sli2_slim, 1422 mbx.us.s3_pgp.port); 1423 else 1424 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 1425 pdma_addr = phba->slim2p.phys + pgp_offset; 1426 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 1427 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1428 1429 /* Use callback routine to setp rings in the pcb */ 1430 lpfc_config_pcb_setup(phba); 1431 1432 /* special handling for LC HBAs */ 1433 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1434 uint32_t hbainit[5]; 1435 1436 lpfc_hba_init(phba, hbainit); 1437 1438 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1439 } 1440 1441 /* Swap PCB if needed */ 1442 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1443 } 1444 1445 /** 1446 * lpfc_kill_board - Prepare a mailbox command for killing board 1447 * @phba: pointer to lpfc hba data structure. 1448 * @pmb: pointer to the driver internal queue element for mailbox command. 1449 * 1450 * The kill board mailbox command is used to tell firmware to perform a 1451 * graceful shutdown of a channel on a specified board to prepare for reset. 1452 * When the kill board mailbox command is received, the ER3 bit is set to 1 1453 * in the Host Status register and the ER Attention bit is set to 1 in the 1454 * Host Attention register of the HBA function that received the kill board 1455 * command. 1456 * 1457 * This routine prepares the mailbox command for killing the board in 1458 * preparation for a graceful shutdown. 1459 **/ 1460 void 1461 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1462 { 1463 MAILBOX_t *mb = &pmb->u.mb; 1464 1465 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1466 mb->mbxCommand = MBX_KILL_BOARD; 1467 mb->mbxOwner = OWN_HOST; 1468 return; 1469 } 1470 1471 /** 1472 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue 1473 * @phba: pointer to lpfc hba data structure. 1474 * @mbq: pointer to the driver internal queue element for mailbox command. 1475 * 1476 * Driver maintains a internal mailbox command queue implemented as a linked 1477 * list. When a mailbox command is issued, it shall be put into the mailbox 1478 * command queue such that they shall be processed orderly as HBA can process 1479 * one mailbox command at a time. 1480 **/ 1481 void 1482 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1483 { 1484 struct lpfc_sli *psli; 1485 1486 psli = &phba->sli; 1487 1488 list_add_tail(&mbq->list, &psli->mboxq); 1489 1490 psli->mboxq_cnt++; 1491 1492 return; 1493 } 1494 1495 /** 1496 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue 1497 * @phba: pointer to lpfc hba data structure. 1498 * 1499 * Driver maintains a internal mailbox command queue implemented as a linked 1500 * list. When a mailbox command is issued, it shall be put into the mailbox 1501 * command queue such that they shall be processed orderly as HBA can process 1502 * one mailbox command at a time. After HBA finished processing a mailbox 1503 * command, the driver will remove a pending mailbox command from the head of 1504 * the mailbox command queue and send to the HBA for processing. 1505 * 1506 * Return codes 1507 * pointer to the driver internal queue element for mailbox command. 1508 **/ 1509 LPFC_MBOXQ_t * 1510 lpfc_mbox_get(struct lpfc_hba * phba) 1511 { 1512 LPFC_MBOXQ_t *mbq = NULL; 1513 struct lpfc_sli *psli = &phba->sli; 1514 1515 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 1516 if (mbq) 1517 psli->mboxq_cnt--; 1518 1519 return mbq; 1520 } 1521 1522 /** 1523 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list 1524 * @phba: pointer to lpfc hba data structure. 1525 * @mbq: pointer to the driver internal queue element for mailbox command. 1526 * 1527 * This routine put the completed mailbox command into the mailbox command 1528 * complete list. This is the unlocked version of the routine. The mailbox 1529 * complete list is used by the driver worker thread to process mailbox 1530 * complete callback functions outside the driver interrupt handler. 1531 **/ 1532 void 1533 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1534 { 1535 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 1536 } 1537 1538 /** 1539 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list 1540 * @phba: pointer to lpfc hba data structure. 1541 * @mbq: pointer to the driver internal queue element for mailbox command. 1542 * 1543 * This routine put the completed mailbox command into the mailbox command 1544 * complete list. This is the locked version of the routine. The mailbox 1545 * complete list is used by the driver worker thread to process mailbox 1546 * complete callback functions outside the driver interrupt handler. 1547 **/ 1548 void 1549 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1550 { 1551 unsigned long iflag; 1552 1553 /* This function expects to be called from interrupt context */ 1554 spin_lock_irqsave(&phba->hbalock, iflag); 1555 __lpfc_mbox_cmpl_put(phba, mbq); 1556 spin_unlock_irqrestore(&phba->hbalock, iflag); 1557 return; 1558 } 1559 1560 /** 1561 * lpfc_mbox_cmd_check - Check the validality of a mailbox command 1562 * @phba: pointer to lpfc hba data structure. 1563 * @mboxq: pointer to the driver internal queue element for mailbox command. 1564 * 1565 * This routine is to check whether a mailbox command is valid to be issued. 1566 * This check will be performed by both the mailbox issue API when a client 1567 * is to issue a mailbox command to the mailbox transport. 1568 * 1569 * Return 0 - pass the check, -ENODEV - fail the check 1570 **/ 1571 int 1572 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1573 { 1574 /* Mailbox command that have a completion handler must also have a 1575 * vport specified. 1576 */ 1577 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && 1578 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { 1579 if (!mboxq->vport) { 1580 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, 1581 "1814 Mbox x%x failed, no vport\n", 1582 mboxq->u.mb.mbxCommand); 1583 dump_stack(); 1584 return -ENODEV; 1585 } 1586 } 1587 return 0; 1588 } 1589 1590 /** 1591 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command 1592 * @phba: pointer to lpfc hba data structure. 1593 * 1594 * This routine is to check whether the HBA device is ready for posting a 1595 * mailbox command. It is used by the mailbox transport API at the time the 1596 * to post a mailbox command to the device. 1597 * 1598 * Return 0 - pass the check, -ENODEV - fail the check 1599 **/ 1600 int 1601 lpfc_mbox_dev_check(struct lpfc_hba *phba) 1602 { 1603 /* If the PCI channel is in offline state, do not issue mbox */ 1604 if (unlikely(pci_channel_offline(phba->pcidev))) 1605 return -ENODEV; 1606 1607 /* If the HBA is in error state, do not issue mbox */ 1608 if (phba->link_state == LPFC_HBA_ERROR) 1609 return -ENODEV; 1610 1611 return 0; 1612 } 1613 1614 /** 1615 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value 1616 * @phba: pointer to lpfc hba data structure. 1617 * @cmd: mailbox command code. 1618 * 1619 * This routine retrieves the proper timeout value according to the mailbox 1620 * command code. 1621 * 1622 * Return codes 1623 * Timeout value to be used for the given mailbox command 1624 **/ 1625 int 1626 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1627 { 1628 MAILBOX_t *mbox = &mboxq->u.mb; 1629 uint8_t subsys, opcode; 1630 1631 switch (mbox->mbxCommand) { 1632 case MBX_WRITE_NV: /* 0x03 */ 1633 case MBX_DUMP_MEMORY: /* 0x17 */ 1634 case MBX_UPDATE_CFG: /* 0x1B */ 1635 case MBX_DOWN_LOAD: /* 0x1C */ 1636 case MBX_DEL_LD_ENTRY: /* 0x1D */ 1637 case MBX_WRITE_VPARMS: /* 0x32 */ 1638 case MBX_LOAD_AREA: /* 0x81 */ 1639 case MBX_WRITE_WWN: /* 0x98 */ 1640 case MBX_LOAD_EXP_ROM: /* 0x9C */ 1641 case MBX_ACCESS_VDATA: /* 0xA5 */ 1642 return LPFC_MBOX_TMO_FLASH_CMD; 1643 case MBX_SLI4_CONFIG: /* 0x9b */ 1644 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); 1645 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); 1646 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { 1647 switch (opcode) { 1648 case LPFC_MBOX_OPCODE_READ_OBJECT: 1649 case LPFC_MBOX_OPCODE_WRITE_OBJECT: 1650 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: 1651 case LPFC_MBOX_OPCODE_DELETE_OBJECT: 1652 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: 1653 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: 1654 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: 1655 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: 1656 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: 1657 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: 1658 case LPFC_MBOX_OPCODE_SEND_ACTIVATION: 1659 case LPFC_MBOX_OPCODE_RESET_LICENSES: 1660 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: 1661 case LPFC_MBOX_OPCODE_GET_VPD_DATA: 1662 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: 1663 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1664 } 1665 } 1666 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { 1667 switch (opcode) { 1668 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: 1669 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1670 } 1671 } 1672 return LPFC_MBOX_SLI4_CONFIG_TMO; 1673 } 1674 return LPFC_MBOX_TMO; 1675 } 1676 1677 /** 1678 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command 1679 * @mbox: pointer to lpfc mbox command. 1680 * @sgentry: sge entry index. 1681 * @phyaddr: physical address for the sge 1682 * @length: Length of the sge. 1683 * 1684 * This routine sets up an entry in the non-embedded mailbox command at the sge 1685 * index location. 1686 **/ 1687 void 1688 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, 1689 dma_addr_t phyaddr, uint32_t length) 1690 { 1691 struct lpfc_mbx_nembed_cmd *nembed_sge; 1692 1693 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1694 &mbox->u.mqe.un.nembed_cmd; 1695 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); 1696 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); 1697 nembed_sge->sge[sgentry].length = length; 1698 } 1699 1700 /** 1701 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command 1702 * @mbox: pointer to lpfc mbox command. 1703 * @sgentry: sge entry index. 1704 * 1705 * This routine gets an entry from the non-embedded mailbox command at the sge 1706 * index location. 1707 **/ 1708 void 1709 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, 1710 struct lpfc_mbx_sge *sge) 1711 { 1712 struct lpfc_mbx_nembed_cmd *nembed_sge; 1713 1714 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1715 &mbox->u.mqe.un.nembed_cmd; 1716 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; 1717 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; 1718 sge->length = nembed_sge->sge[sgentry].length; 1719 } 1720 1721 /** 1722 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command 1723 * @phba: pointer to lpfc hba data structure. 1724 * @mbox: pointer to lpfc mbox command. 1725 * 1726 * This routine frees SLI4 specific mailbox command for sending IOCTL command. 1727 **/ 1728 void 1729 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 1730 { 1731 struct lpfc_mbx_sli4_config *sli4_cfg; 1732 struct lpfc_mbx_sge sge; 1733 dma_addr_t phyaddr; 1734 uint32_t sgecount, sgentry; 1735 1736 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1737 1738 /* For embedded mbox command, just free the mbox command */ 1739 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1740 mempool_free(mbox, phba->mbox_mem_pool); 1741 return; 1742 } 1743 1744 /* For non-embedded mbox command, we need to free the pages first */ 1745 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); 1746 /* There is nothing we can do if there is no sge address array */ 1747 if (unlikely(!mbox->sge_array)) { 1748 mempool_free(mbox, phba->mbox_mem_pool); 1749 return; 1750 } 1751 /* Each non-embedded DMA memory was allocated in the length of a page */ 1752 for (sgentry = 0; sgentry < sgecount; sgentry++) { 1753 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); 1754 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); 1755 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 1756 mbox->sge_array->addr[sgentry], phyaddr); 1757 } 1758 /* Free the sge address array memory */ 1759 kfree(mbox->sge_array); 1760 /* Finally, free the mailbox command itself */ 1761 mempool_free(mbox, phba->mbox_mem_pool); 1762 } 1763 1764 /** 1765 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command 1766 * @phba: pointer to lpfc hba data structure. 1767 * @mbox: pointer to lpfc mbox command. 1768 * @subsystem: The sli4 config sub mailbox subsystem. 1769 * @opcode: The sli4 config sub mailbox command opcode. 1770 * @length: Length of the sli4 config mailbox command (including sub-header). 1771 * 1772 * This routine sets up the header fields of SLI4 specific mailbox command 1773 * for sending IOCTL command. 1774 * 1775 * Return: the actual length of the mbox command allocated (mostly useful 1776 * for none embedded mailbox command). 1777 **/ 1778 int 1779 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1780 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) 1781 { 1782 struct lpfc_mbx_sli4_config *sli4_config; 1783 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; 1784 uint32_t alloc_len; 1785 uint32_t resid_len; 1786 uint32_t pagen, pcount; 1787 void *viraddr; 1788 dma_addr_t phyaddr; 1789 1790 /* Set up SLI4 mailbox command header fields */ 1791 memset(mbox, 0, sizeof(*mbox)); 1792 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); 1793 1794 /* Set up SLI4 ioctl command header fields */ 1795 sli4_config = &mbox->u.mqe.un.sli4_config; 1796 1797 /* Setup for the embedded mbox command */ 1798 if (emb) { 1799 /* Set up main header fields */ 1800 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); 1801 sli4_config->header.cfg_mhdr.payload_length = length; 1802 /* Set up sub-header fields following main header */ 1803 bf_set(lpfc_mbox_hdr_opcode, 1804 &sli4_config->header.cfg_shdr.request, opcode); 1805 bf_set(lpfc_mbox_hdr_subsystem, 1806 &sli4_config->header.cfg_shdr.request, subsystem); 1807 sli4_config->header.cfg_shdr.request.request_length = 1808 length - LPFC_MBX_CMD_HDR_LENGTH; 1809 return length; 1810 } 1811 1812 /* Setup for the non-embedded mbox command */ 1813 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; 1814 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? 1815 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; 1816 /* Allocate record for keeping SGE virtual addresses */ 1817 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), 1818 GFP_KERNEL); 1819 if (!mbox->sge_array) { 1820 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1821 "2527 Failed to allocate non-embedded SGE " 1822 "array.\n"); 1823 return 0; 1824 } 1825 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { 1826 /* The DMA memory is always allocated in the length of a 1827 * page even though the last SGE might not fill up to a 1828 * page, this is used as a priori size of SLI4_PAGE_SIZE for 1829 * the later DMA memory free. 1830 */ 1831 viraddr = dma_alloc_coherent(&phba->pcidev->dev, 1832 SLI4_PAGE_SIZE, &phyaddr, 1833 GFP_KERNEL); 1834 /* In case of malloc fails, proceed with whatever we have */ 1835 if (!viraddr) 1836 break; 1837 mbox->sge_array->addr[pagen] = viraddr; 1838 /* Keep the first page for later sub-header construction */ 1839 if (pagen == 0) 1840 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; 1841 resid_len = length - alloc_len; 1842 if (resid_len > SLI4_PAGE_SIZE) { 1843 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1844 SLI4_PAGE_SIZE); 1845 alloc_len += SLI4_PAGE_SIZE; 1846 } else { 1847 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1848 resid_len); 1849 alloc_len = length; 1850 } 1851 } 1852 1853 /* Set up main header fields in mailbox command */ 1854 sli4_config->header.cfg_mhdr.payload_length = alloc_len; 1855 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); 1856 1857 /* Set up sub-header fields into the first page */ 1858 if (pagen > 0) { 1859 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); 1860 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); 1861 cfg_shdr->request.request_length = 1862 alloc_len - sizeof(union lpfc_sli4_cfg_shdr); 1863 } 1864 /* The sub-header is in DMA memory, which needs endian converstion */ 1865 if (cfg_shdr) 1866 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, 1867 sizeof(union lpfc_sli4_cfg_shdr)); 1868 return alloc_len; 1869 } 1870 1871 /** 1872 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. 1873 * @phba: pointer to lpfc hba data structure. 1874 * @mbox: pointer to an allocated lpfc mbox resource. 1875 * @exts_count: the number of extents, if required, to allocate. 1876 * @rsrc_type: the resource extent type. 1877 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. 1878 * 1879 * This routine completes the subcommand header for SLI4 resource extent 1880 * mailbox commands. It is called after lpfc_sli4_config. The caller must 1881 * pass an allocated mailbox and the attributes required to initialize the 1882 * mailbox correctly. 1883 * 1884 * Return: the actual length of the mbox command allocated. 1885 **/ 1886 int 1887 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1888 uint16_t exts_count, uint16_t rsrc_type, bool emb) 1889 { 1890 uint8_t opcode = 0; 1891 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; 1892 void *virtaddr = NULL; 1893 1894 /* Set up SLI4 ioctl command header fields */ 1895 if (emb == LPFC_SLI4_MBX_NEMBED) { 1896 /* Get the first SGE entry from the non-embedded DMA memory */ 1897 virtaddr = mbox->sge_array->addr[0]; 1898 if (virtaddr == NULL) 1899 return 1; 1900 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; 1901 } 1902 1903 /* 1904 * The resource type is common to all extent Opcodes and resides in the 1905 * same position. 1906 */ 1907 if (emb == LPFC_SLI4_MBX_EMBED) 1908 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1909 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1910 rsrc_type); 1911 else { 1912 /* This is DMA data. Byteswap is required. */ 1913 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1914 n_rsrc_extnt, rsrc_type); 1915 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, 1916 &n_rsrc_extnt->word4, 1917 sizeof(uint32_t)); 1918 } 1919 1920 /* Complete the initialization for the particular Opcode. */ 1921 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); 1922 switch (opcode) { 1923 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: 1924 if (emb == LPFC_SLI4_MBX_EMBED) 1925 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1926 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1927 exts_count); 1928 else 1929 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1930 n_rsrc_extnt, exts_count); 1931 break; 1932 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: 1933 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: 1934 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: 1935 /* Initialization is complete.*/ 1936 break; 1937 default: 1938 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1939 "2929 Resource Extent Opcode x%x is " 1940 "unsupported\n", opcode); 1941 return 1; 1942 } 1943 1944 return 0; 1945 } 1946 1947 /** 1948 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd 1949 * @phba: pointer to lpfc hba data structure. 1950 * @mbox: pointer to lpfc mbox command queue entry. 1951 * 1952 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox 1953 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the 1954 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall 1955 * be returned. 1956 **/ 1957 uint8_t 1958 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1959 { 1960 struct lpfc_mbx_sli4_config *sli4_cfg; 1961 union lpfc_sli4_cfg_shdr *cfg_shdr; 1962 1963 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1964 return LPFC_MBOX_SUBSYSTEM_NA; 1965 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1966 1967 /* For embedded mbox command, get opcode from embedded sub-header*/ 1968 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1969 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 1970 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1971 } 1972 1973 /* For non-embedded mbox command, get opcode from first dma page */ 1974 if (unlikely(!mbox->sge_array)) 1975 return LPFC_MBOX_SUBSYSTEM_NA; 1976 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 1977 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1978 } 1979 1980 /** 1981 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd 1982 * @phba: pointer to lpfc hba data structure. 1983 * @mbox: pointer to lpfc mbox command queue entry. 1984 * 1985 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox 1986 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if 1987 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be 1988 * returned. 1989 **/ 1990 uint8_t 1991 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1992 { 1993 struct lpfc_mbx_sli4_config *sli4_cfg; 1994 union lpfc_sli4_cfg_shdr *cfg_shdr; 1995 1996 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1997 return LPFC_MBOX_OPCODE_NA; 1998 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1999 2000 /* For embedded mbox command, get opcode from embedded sub-header*/ 2001 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 2002 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 2003 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2004 } 2005 2006 /* For non-embedded mbox command, get opcode from first dma page */ 2007 if (unlikely(!mbox->sge_array)) 2008 return LPFC_MBOX_OPCODE_NA; 2009 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 2010 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2011 } 2012 2013 /** 2014 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd 2015 * @phba: pointer to lpfc hba data structure. 2016 * @fcf_index: index to fcf table. 2017 * 2018 * This routine routine allocates and constructs non-embedded mailbox command 2019 * for reading a FCF table entry referred by @fcf_index. 2020 * 2021 * Return: pointer to the mailbox command constructed if successful, otherwise 2022 * NULL. 2023 **/ 2024 int 2025 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, 2026 struct lpfcMboxq *mboxq, 2027 uint16_t fcf_index) 2028 { 2029 void *virt_addr; 2030 uint8_t *bytep; 2031 struct lpfc_mbx_sge sge; 2032 uint32_t alloc_len, req_len; 2033 struct lpfc_mbx_read_fcf_tbl *read_fcf; 2034 2035 if (!mboxq) 2036 return -ENOMEM; 2037 2038 req_len = sizeof(struct fcf_record) + 2039 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); 2040 2041 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ 2042 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, 2043 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, 2044 LPFC_SLI4_MBX_NEMBED); 2045 2046 if (alloc_len < req_len) { 2047 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2048 "0291 Allocated DMA memory size (x%x) is " 2049 "less than the requested DMA memory " 2050 "size (x%x)\n", alloc_len, req_len); 2051 return -ENOMEM; 2052 } 2053 2054 /* Get the first SGE entry from the non-embedded DMA memory. This 2055 * routine only uses a single SGE. 2056 */ 2057 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); 2058 virt_addr = mboxq->sge_array->addr[0]; 2059 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; 2060 2061 /* Set up command fields */ 2062 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); 2063 /* Perform necessary endian conversion */ 2064 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); 2065 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); 2066 2067 return 0; 2068 } 2069 2070 /** 2071 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox 2072 * @mboxq: pointer to lpfc mbox command. 2073 * 2074 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES 2075 * mailbox command. 2076 **/ 2077 void 2078 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) 2079 { 2080 /* Set up SLI4 mailbox command header fields */ 2081 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 2082 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); 2083 2084 /* Set up host requested features. */ 2085 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); 2086 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); 2087 2088 /* Enable DIF (block guard) only if configured to do so. */ 2089 if (phba->cfg_enable_bg) 2090 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); 2091 2092 /* Enable NPIV only if configured to do so. */ 2093 if (phba->max_vpi && phba->cfg_enable_npiv) 2094 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); 2095 2096 if (phba->nvmet_support) { 2097 bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1); 2098 /* iaab/iaar NOT set for now */ 2099 bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0); 2100 bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0); 2101 } 2102 return; 2103 } 2104 2105 /** 2106 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command 2107 * @mbox: pointer to lpfc mbox command to initialize. 2108 * @vport: Vport associated with the VF. 2109 * 2110 * This routine initializes @mbox to all zeros and then fills in the mailbox 2111 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI 2112 * in the context of an FCF. The driver issues this command to setup a VFI 2113 * before issuing a FLOGI to login to the VSAN. The driver should also issue a 2114 * REG_VFI after a successful VSAN login. 2115 **/ 2116 void 2117 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2118 { 2119 struct lpfc_mbx_init_vfi *init_vfi; 2120 2121 memset(mbox, 0, sizeof(*mbox)); 2122 mbox->vport = vport; 2123 init_vfi = &mbox->u.mqe.un.init_vfi; 2124 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); 2125 bf_set(lpfc_init_vfi_vr, init_vfi, 1); 2126 bf_set(lpfc_init_vfi_vt, init_vfi, 1); 2127 bf_set(lpfc_init_vfi_vp, init_vfi, 1); 2128 bf_set(lpfc_init_vfi_vfi, init_vfi, 2129 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2130 bf_set(lpfc_init_vfi_vpi, init_vfi, 2131 vport->phba->vpi_ids[vport->vpi]); 2132 bf_set(lpfc_init_vfi_fcfi, init_vfi, 2133 vport->phba->fcf.fcfi); 2134 } 2135 2136 /** 2137 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command 2138 * @mbox: pointer to lpfc mbox command to initialize. 2139 * @vport: vport associated with the VF. 2140 * @phys: BDE DMA bus address used to send the service parameters to the HBA. 2141 * 2142 * This routine initializes @mbox to all zeros and then fills in the mailbox 2143 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's 2144 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual 2145 * fabrics identified by VFI in the context of an FCF. 2146 **/ 2147 void 2148 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) 2149 { 2150 struct lpfc_mbx_reg_vfi *reg_vfi; 2151 struct lpfc_hba *phba = vport->phba; 2152 uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; 2153 2154 memset(mbox, 0, sizeof(*mbox)); 2155 reg_vfi = &mbox->u.mqe.un.reg_vfi; 2156 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); 2157 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); 2158 bf_set(lpfc_reg_vfi_vfi, reg_vfi, 2159 phba->sli4_hba.vfi_ids[vport->vfi]); 2160 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); 2161 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); 2162 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); 2163 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); 2164 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); 2165 reg_vfi->e_d_tov = phba->fc_edtov; 2166 reg_vfi->r_a_tov = phba->fc_ratov; 2167 if (phys) { 2168 reg_vfi->bde.addrHigh = putPaddrHigh(phys); 2169 reg_vfi->bde.addrLow = putPaddrLow(phys); 2170 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); 2171 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2172 } 2173 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); 2174 2175 /* Only FC supports upd bit */ 2176 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && 2177 (vport->fc_flag & FC_VFI_REGISTERED) && 2178 (!phba->fc_topology_changed)) 2179 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); 2180 2181 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); 2182 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); 2183 bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; 2184 2185 if (phba->bbcredit_support && phba->cfg_enable_bbcr && 2186 bbscn_fabric != 0) { 2187 bbscn_max = bf_get(lpfc_bbscn_max, 2188 &phba->sli4_hba.bbscn_params); 2189 if (bbscn_fabric <= bbscn_max) { 2190 bbscn_def = bf_get(lpfc_bbscn_def, 2191 &phba->sli4_hba.bbscn_params); 2192 2193 if (bbscn_fabric > bbscn_def) 2194 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 2195 bbscn_fabric); 2196 else 2197 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); 2198 2199 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); 2200 } 2201 } 2202 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, 2203 "3134 Register VFI, mydid:x%x, fcfi:%d, " 2204 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" 2205 " port_state:x%x topology chg:%d bbscn_fabric :%d\n", 2206 vport->fc_myDID, 2207 phba->fcf.fcfi, 2208 phba->sli4_hba.vfi_ids[vport->vfi], 2209 phba->vpi_ids[vport->vpi], 2210 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, 2211 vport->port_state, phba->fc_topology_changed, 2212 bbscn_fabric); 2213 } 2214 2215 /** 2216 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command 2217 * @phba: pointer to the hba structure to init the VPI for. 2218 * @mbox: pointer to lpfc mbox command to initialize. 2219 * @vpi: VPI to be initialized. 2220 * 2221 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the 2222 * command to activate a virtual N_Port. The HBA assigns a MAC address to use 2223 * with the virtual N Port. The SLI Host issues this command before issuing a 2224 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a 2225 * successful virtual NPort login. 2226 **/ 2227 void 2228 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) 2229 { 2230 memset(mbox, 0, sizeof(*mbox)); 2231 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); 2232 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, 2233 phba->vpi_ids[vpi]); 2234 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, 2235 phba->sli4_hba.vfi_ids[phba->pport->vfi]); 2236 } 2237 2238 /** 2239 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command 2240 * @mbox: pointer to lpfc mbox command to initialize. 2241 * @vport: vport associated with the VF. 2242 * 2243 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric 2244 * (logical NPort) into the inactive state. The SLI Host must have logged out 2245 * and unregistered all remote N_Ports to abort any activity on the virtual 2246 * fabric. The SLI Port posts the mailbox response after marking the virtual 2247 * fabric inactive. 2248 **/ 2249 void 2250 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2251 { 2252 memset(mbox, 0, sizeof(*mbox)); 2253 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); 2254 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, 2255 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2256 } 2257 2258 /** 2259 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 2260 * @phba: pointer to the hba structure containing. 2261 * @mbox: pointer to lpfc mbox command to initialize. 2262 * 2263 * This function create a SLI4 dump mailbox command to dump configure 2264 * region 23. 2265 **/ 2266 int 2267 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2268 { 2269 struct lpfc_dmabuf *mp = NULL; 2270 MAILBOX_t *mb; 2271 2272 memset(mbox, 0, sizeof(*mbox)); 2273 mb = &mbox->u.mb; 2274 2275 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2276 if (mp) 2277 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2278 2279 if (!mp || !mp->virt) { 2280 kfree(mp); 2281 /* dump config region 23 failed to allocate memory */ 2282 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2283 "2569 lpfc dump config region 23: memory" 2284 " allocation failed\n"); 2285 return 1; 2286 } 2287 2288 memset(mp->virt, 0, LPFC_BPL_SIZE); 2289 INIT_LIST_HEAD(&mp->list); 2290 2291 /* save address for completion */ 2292 mbox->ctx_buf = (uint8_t *)mp; 2293 2294 mb->mbxCommand = MBX_DUMP_MEMORY; 2295 mb->un.varDmp.type = DMP_NV_PARAMS; 2296 mb->un.varDmp.region_id = DMP_REGION_23; 2297 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; 2298 mb->un.varWords[3] = putPaddrLow(mp->phys); 2299 mb->un.varWords[4] = putPaddrHigh(mp->phys); 2300 return 0; 2301 } 2302 2303 static void 2304 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2305 { 2306 MAILBOX_t *mb; 2307 int rc = FAILURE; 2308 struct lpfc_rdp_context *rdp_context = 2309 (struct lpfc_rdp_context *)(mboxq->ctx_ndlp); 2310 2311 mb = &mboxq->u.mb; 2312 if (mb->mbxStatus) 2313 goto mbx_failed; 2314 2315 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); 2316 2317 rc = SUCCESS; 2318 2319 mbx_failed: 2320 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2321 rdp_context->cmpl(phba, rdp_context, rc); 2322 } 2323 2324 static void 2325 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2326 { 2327 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf; 2328 struct lpfc_rdp_context *rdp_context = 2329 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2330 2331 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2332 goto error_mbuf_free; 2333 2334 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, 2335 DMP_SFF_PAGE_A2_SIZE); 2336 2337 /* We don't need dma buffer for link stat. */ 2338 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2339 kfree(mp); 2340 2341 memset(mbox, 0, sizeof(*mbox)); 2342 lpfc_read_lnk_stat(phba, mbox); 2343 mbox->vport = rdp_context->ndlp->vport; 2344 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; 2345 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2346 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) 2347 goto error_cmd_free; 2348 2349 return; 2350 2351 error_mbuf_free: 2352 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2353 kfree(mp); 2354 error_cmd_free: 2355 lpfc_sli4_mbox_cmd_free(phba, mbox); 2356 rdp_context->cmpl(phba, rdp_context, FAILURE); 2357 } 2358 2359 void 2360 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2361 { 2362 int rc; 2363 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf); 2364 struct lpfc_rdp_context *rdp_context = 2365 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2366 2367 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2368 goto error; 2369 2370 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, 2371 DMP_SFF_PAGE_A0_SIZE); 2372 2373 memset(mbox, 0, sizeof(*mbox)); 2374 2375 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); 2376 INIT_LIST_HEAD(&mp->list); 2377 2378 /* save address for completion */ 2379 mbox->ctx_buf = mp; 2380 mbox->vport = rdp_context->ndlp->vport; 2381 2382 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2383 bf_set(lpfc_mbx_memory_dump_type3_type, 2384 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2385 bf_set(lpfc_mbx_memory_dump_type3_link, 2386 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2387 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2388 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); 2389 bf_set(lpfc_mbx_memory_dump_type3_length, 2390 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); 2391 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2392 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2393 2394 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; 2395 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2396 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 2397 if (rc == MBX_NOT_FINISHED) 2398 goto error; 2399 2400 return; 2401 2402 error: 2403 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2404 kfree(mp); 2405 lpfc_sli4_mbox_cmd_free(phba, mbox); 2406 rdp_context->cmpl(phba, rdp_context, FAILURE); 2407 } 2408 2409 2410 /* 2411 * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic. 2412 * @phba: pointer to the hba structure containing. 2413 * @mbox: pointer to lpfc mbox command to initialize. 2414 * 2415 * This function create a SLI4 dump mailbox command to dump configure 2416 * type 3 page 0xA0. 2417 */ 2418 int 2419 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2420 { 2421 struct lpfc_dmabuf *mp = NULL; 2422 2423 memset(mbox, 0, sizeof(*mbox)); 2424 2425 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2426 if (mp) 2427 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2428 if (!mp || !mp->virt) { 2429 kfree(mp); 2430 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2431 "3569 dump type 3 page 0xA0 allocation failed\n"); 2432 return 1; 2433 } 2434 2435 memset(mp->virt, 0, LPFC_BPL_SIZE); 2436 INIT_LIST_HEAD(&mp->list); 2437 2438 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2439 /* save address for completion */ 2440 mbox->ctx_buf = mp; 2441 2442 bf_set(lpfc_mbx_memory_dump_type3_type, 2443 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2444 bf_set(lpfc_mbx_memory_dump_type3_link, 2445 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2446 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2447 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); 2448 bf_set(lpfc_mbx_memory_dump_type3_length, 2449 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); 2450 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2451 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2452 2453 return 0; 2454 } 2455 2456 /** 2457 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command 2458 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2459 * @mbox: pointer to lpfc mbox command to initialize. 2460 * 2461 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The 2462 * SLI Host uses the command to activate an FCF after it has acquired FCF 2463 * information via a READ_FCF mailbox command. This mailbox command also is used 2464 * to indicate where received unsolicited frames from this FCF will be sent. By 2465 * default this routine will set up the FCF to forward all unsolicited frames 2466 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2467 * more complicated setups. 2468 **/ 2469 void 2470 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2471 { 2472 struct lpfc_mbx_reg_fcfi *reg_fcfi; 2473 2474 memset(mbox, 0, sizeof(*mbox)); 2475 reg_fcfi = &mbox->u.mqe.un.reg_fcfi; 2476 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); 2477 if (phba->nvmet_support == 0) { 2478 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2479 phba->sli4_hba.hdr_rq->queue_id); 2480 /* Match everything - rq_id0 */ 2481 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0); 2482 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0); 2483 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0); 2484 bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0); 2485 2486 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); 2487 2488 /* addr mode is bit wise inverted value of fcf addr_mode */ 2489 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, 2490 (~phba->fcf.addr_mode) & 0x3); 2491 } else { 2492 /* This is ONLY for NVMET MRQ == 1 */ 2493 if (phba->cfg_nvmet_mrq != 1) 2494 return; 2495 2496 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2497 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2498 /* Match type FCP - rq_id0 */ 2499 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP); 2500 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff); 2501 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 2502 FC_RCTL_DD_UNSOL_CMD); 2503 2504 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, 2505 phba->sli4_hba.hdr_rq->queue_id); 2506 /* Match everything else - rq_id1 */ 2507 bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0); 2508 bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0); 2509 bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0); 2510 bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0); 2511 } 2512 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2513 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2514 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, 2515 phba->fcf.current_rec.fcf_indx); 2516 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2517 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); 2518 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, 2519 phba->fcf.current_rec.vlan_id); 2520 } 2521 } 2522 2523 /** 2524 * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command 2525 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2526 * @mbox: pointer to lpfc mbox command to initialize. 2527 * @mode: 0 to register FCFI, 1 to register MRQs 2528 * 2529 * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs). 2530 * The SLI Host uses the command to activate an FCF after it has acquired FCF 2531 * information via a READ_FCF mailbox command. This mailbox command also is used 2532 * to indicate where received unsolicited frames from this FCF will be sent. By 2533 * default this routine will set up the FCF to forward all unsolicited frames 2534 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2535 * more complicated setups. 2536 **/ 2537 void 2538 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode) 2539 { 2540 struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi; 2541 2542 /* This is ONLY for MRQ */ 2543 if (phba->cfg_nvmet_mrq <= 1) 2544 return; 2545 2546 memset(mbox, 0, sizeof(*mbox)); 2547 reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq; 2548 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ); 2549 if (mode == 0) { 2550 bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi, 2551 phba->fcf.current_rec.fcf_indx); 2552 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2553 bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1); 2554 bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi, 2555 phba->fcf.current_rec.vlan_id); 2556 } 2557 return; 2558 } 2559 2560 bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi, 2561 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2562 /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */ 2563 bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP); 2564 bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff); 2565 bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); 2566 bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff); 2567 bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1); 2568 bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1); 2569 2570 bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */ 2571 bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1); 2572 bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */ 2573 bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq); 2574 2575 bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi, 2576 phba->sli4_hba.hdr_rq->queue_id); 2577 /* Match everything - rq_id1 */ 2578 bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0); 2579 bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0); 2580 bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0); 2581 bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0); 2582 2583 bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2584 bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2585 } 2586 2587 /** 2588 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command 2589 * @mbox: pointer to lpfc mbox command to initialize. 2590 * @fcfi: FCFI to be unregistered. 2591 * 2592 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). 2593 * The SLI Host uses the command to inactivate an FCFI. 2594 **/ 2595 void 2596 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) 2597 { 2598 memset(mbox, 0, sizeof(*mbox)); 2599 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); 2600 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); 2601 } 2602 2603 /** 2604 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command 2605 * @mbox: pointer to lpfc mbox command to initialize. 2606 * @ndlp: The nodelist structure that describes the RPI to resume. 2607 * 2608 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a 2609 * link event. 2610 **/ 2611 void 2612 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) 2613 { 2614 struct lpfc_hba *phba = ndlp->phba; 2615 struct lpfc_mbx_resume_rpi *resume_rpi; 2616 2617 memset(mbox, 0, sizeof(*mbox)); 2618 resume_rpi = &mbox->u.mqe.un.resume_rpi; 2619 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); 2620 bf_set(lpfc_resume_rpi_index, resume_rpi, 2621 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2622 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); 2623 resume_rpi->event_tag = ndlp->phba->fc_eventTag; 2624 } 2625 2626 /** 2627 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages 2628 * mailbox command. 2629 * @mbox: pointer to lpfc mbox command to initialize. 2630 * 2631 * The PORT_CAPABILITIES supported pages mailbox command is issued to 2632 * retrieve the particular feature pages supported by the port. 2633 **/ 2634 void 2635 lpfc_supported_pages(struct lpfcMboxq *mbox) 2636 { 2637 struct lpfc_mbx_supp_pages *supp_pages; 2638 2639 memset(mbox, 0, sizeof(*mbox)); 2640 supp_pages = &mbox->u.mqe.un.supp_pages; 2641 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2642 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES); 2643 } 2644 2645 /** 2646 * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd. 2647 * @mbox: pointer to lpfc mbox command to initialize. 2648 * 2649 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to 2650 * retrieve the particular SLI4 features supported by the port. 2651 **/ 2652 void 2653 lpfc_pc_sli4_params(struct lpfcMboxq *mbox) 2654 { 2655 struct lpfc_mbx_pc_sli4_params *sli4_params; 2656 2657 memset(mbox, 0, sizeof(*mbox)); 2658 sli4_params = &mbox->u.mqe.un.sli4_params; 2659 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2660 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS); 2661 } 2662