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->context1 = (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->context2; 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->context2 = 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->context2; 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->context2 = 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->context1 = (uint8_t *)mp; 308 mb->mbxOwner = OWN_HOST; 309 return (0); 310 } 311 312 /** 313 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention 314 * @phba: pointer to lpfc hba data structure. 315 * @pmb: pointer to the driver internal queue element for mailbox command. 316 * 317 * The clear link attention mailbox command is issued to clear the link event 318 * attention condition indicated by the Link Event bit of the Host Attention 319 * (HSTATT) register. The link event attention condition is cleared only if 320 * the event tag specified matches that of the current link event counter. 321 * The current event tag is read using the read link attention event mailbox 322 * command. 323 * 324 * This routine prepares the mailbox command for clearing HBA link attention 325 * information. 326 **/ 327 void 328 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 329 { 330 MAILBOX_t *mb; 331 332 mb = &pmb->u.mb; 333 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 334 335 mb->un.varClearLA.eventTag = phba->fc_eventTag; 336 mb->mbxCommand = MBX_CLEAR_LA; 337 mb->mbxOwner = OWN_HOST; 338 return; 339 } 340 341 /** 342 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA 343 * @phba: pointer to lpfc hba data structure. 344 * @pmb: pointer to the driver internal queue element for mailbox command. 345 * 346 * The configure link mailbox command is used before the initialize link 347 * mailbox command to override default value and to configure link-oriented 348 * parameters such as DID address and various timers. Typically, this 349 * command would be used after an F_Port login to set the returned DID address 350 * and the fabric timeout values. This command is not valid before a configure 351 * port command has configured the HBA port. 352 * 353 * This routine prepares the mailbox command for configuring link on a HBA. 354 **/ 355 void 356 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 357 { 358 struct lpfc_vport *vport = phba->pport; 359 MAILBOX_t *mb = &pmb->u.mb; 360 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 361 362 /* NEW_FEATURE 363 * SLI-2, Coalescing Response Feature. 364 */ 365 if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) { 366 mb->un.varCfgLnk.cr = 1; 367 mb->un.varCfgLnk.ci = 1; 368 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; 369 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; 370 } 371 372 mb->un.varCfgLnk.myId = vport->fc_myDID; 373 mb->un.varCfgLnk.edtov = phba->fc_edtov; 374 mb->un.varCfgLnk.arbtov = phba->fc_arbtov; 375 mb->un.varCfgLnk.ratov = phba->fc_ratov; 376 mb->un.varCfgLnk.rttov = phba->fc_rttov; 377 mb->un.varCfgLnk.altov = phba->fc_altov; 378 mb->un.varCfgLnk.crtov = phba->fc_crtov; 379 mb->un.varCfgLnk.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 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { 518 /* Failover is not tried for Lancer G6 */ 519 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 520 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; 521 } 522 523 /* Enable asynchronous ABTS responses from firmware */ 524 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 525 526 /* NEW_FEATURE 527 * Setting up the link speed 528 */ 529 vpd = &phba->vpd; 530 if (vpd->rev.feaLevelHigh >= 0x02){ 531 switch(linkspeed){ 532 case LPFC_USER_LINK_SPEED_1G: 533 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 534 mb->un.varInitLnk.link_speed = LINK_SPEED_1G; 535 break; 536 case LPFC_USER_LINK_SPEED_2G: 537 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 538 mb->un.varInitLnk.link_speed = LINK_SPEED_2G; 539 break; 540 case LPFC_USER_LINK_SPEED_4G: 541 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 542 mb->un.varInitLnk.link_speed = LINK_SPEED_4G; 543 break; 544 case LPFC_USER_LINK_SPEED_8G: 545 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 546 mb->un.varInitLnk.link_speed = LINK_SPEED_8G; 547 break; 548 case LPFC_USER_LINK_SPEED_10G: 549 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 550 mb->un.varInitLnk.link_speed = LINK_SPEED_10G; 551 break; 552 case LPFC_USER_LINK_SPEED_16G: 553 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 554 mb->un.varInitLnk.link_speed = LINK_SPEED_16G; 555 break; 556 case LPFC_USER_LINK_SPEED_32G: 557 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 558 mb->un.varInitLnk.link_speed = LINK_SPEED_32G; 559 break; 560 case LPFC_USER_LINK_SPEED_64G: 561 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 562 mb->un.varInitLnk.link_speed = LINK_SPEED_64G; 563 break; 564 case LPFC_USER_LINK_SPEED_AUTO: 565 default: 566 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 567 break; 568 } 569 570 } 571 else 572 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 573 574 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 575 mb->mbxOwner = OWN_HOST; 576 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 577 return; 578 } 579 580 /** 581 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters 582 * @phba: pointer to lpfc hba data structure. 583 * @pmb: pointer to the driver internal queue element for mailbox command. 584 * @vpi: virtual N_Port identifier. 585 * 586 * The read service parameter mailbox command is used to read the HBA port 587 * service parameters. The service parameters are read into the buffer 588 * specified directly by a BDE in the mailbox command. These service 589 * parameters may then be used to build the payload of an N_Port/F_POrt 590 * login request and reply (LOGI/ACC). 591 * 592 * This routine prepares the mailbox command for reading HBA port service 593 * parameters. The DMA memory is allocated in this function and the addresses 594 * are populated into the mailbox command for the HBA to DMA the service 595 * parameters into. 596 * 597 * Return codes 598 * 0 - Success 599 * 1 - DMA memory allocation failed 600 **/ 601 int 602 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 603 { 604 struct lpfc_dmabuf *mp; 605 MAILBOX_t *mb; 606 607 mb = &pmb->u.mb; 608 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 609 610 mb->mbxOwner = OWN_HOST; 611 612 /* Get a buffer to hold the HBAs Service Parameters */ 613 614 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 615 if (mp) 616 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 617 if (!mp || !mp->virt) { 618 kfree(mp); 619 mb->mbxCommand = MBX_READ_SPARM64; 620 /* READ_SPARAM: no buffers */ 621 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 622 "0301 READ_SPARAM: no buffers\n"); 623 return (1); 624 } 625 INIT_LIST_HEAD(&mp->list); 626 mb->mbxCommand = MBX_READ_SPARM64; 627 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 628 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 629 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 630 if (phba->sli_rev >= LPFC_SLI_REV3) 631 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; 632 633 /* save address for completion */ 634 pmb->context1 = mp; 635 636 return (0); 637 } 638 639 /** 640 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID 641 * @phba: pointer to lpfc hba data structure. 642 * @vpi: virtual N_Port identifier. 643 * @did: remote port identifier. 644 * @pmb: pointer to the driver internal queue element for mailbox command. 645 * 646 * The unregister DID mailbox command is used to unregister an N_Port/F_Port 647 * login for an unknown RPI by specifying the DID of a remote port. This 648 * command frees an RPI context in the HBA port. This has the effect of 649 * performing an implicit N_Port/F_Port logout. 650 * 651 * This routine prepares the mailbox command for unregistering a remote 652 * N_Port/F_Port (DID) login. 653 **/ 654 void 655 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 656 LPFC_MBOXQ_t * pmb) 657 { 658 MAILBOX_t *mb; 659 660 mb = &pmb->u.mb; 661 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 662 663 mb->un.varUnregDID.did = did; 664 mb->un.varUnregDID.vpi = vpi; 665 if ((vpi != 0xffff) && 666 (phba->sli_rev == LPFC_SLI_REV4)) 667 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; 668 669 mb->mbxCommand = MBX_UNREG_D_ID; 670 mb->mbxOwner = OWN_HOST; 671 return; 672 } 673 674 /** 675 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration 676 * @phba: pointer to lpfc hba data structure. 677 * @pmb: pointer to the driver internal queue element for mailbox command. 678 * 679 * The read configuration mailbox command is used to read the HBA port 680 * configuration parameters. This mailbox command provides a method for 681 * seeing any parameters that may have changed via various configuration 682 * mailbox commands. 683 * 684 * This routine prepares the mailbox command for reading out HBA configuration 685 * parameters. 686 **/ 687 void 688 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 689 { 690 MAILBOX_t *mb; 691 692 mb = &pmb->u.mb; 693 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 694 695 mb->mbxCommand = MBX_READ_CONFIG; 696 mb->mbxOwner = OWN_HOST; 697 return; 698 } 699 700 /** 701 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats 702 * @phba: pointer to lpfc hba data structure. 703 * @pmb: pointer to the driver internal queue element for mailbox command. 704 * 705 * The read link status mailbox command is used to read the link status from 706 * the HBA. Link status includes all link-related error counters. These 707 * counters are maintained by the HBA and originated in the link hardware 708 * unit. Note that all of these counters wrap. 709 * 710 * This routine prepares the mailbox command for reading out HBA link status. 711 **/ 712 void 713 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 714 { 715 MAILBOX_t *mb; 716 717 mb = &pmb->u.mb; 718 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 719 720 mb->mbxCommand = MBX_READ_LNK_STAT; 721 mb->mbxOwner = OWN_HOST; 722 return; 723 } 724 725 /** 726 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login 727 * @phba: pointer to lpfc hba data structure. 728 * @vpi: virtual N_Port identifier. 729 * @did: remote port identifier. 730 * @param: pointer to memory holding the server parameters. 731 * @pmb: pointer to the driver internal queue element for mailbox command. 732 * @rpi: the rpi to use in the registration (usually only used for SLI4. 733 * 734 * The registration login mailbox command is used to register an N_Port or 735 * F_Port login. This registration allows the HBA to cache the remote N_Port 736 * service parameters internally and thereby make the appropriate FC-2 737 * decisions. The remote port service parameters are handed off by the driver 738 * to the HBA using a descriptor entry that directly identifies a buffer in 739 * host memory. In exchange, the HBA returns an RPI identifier. 740 * 741 * This routine prepares the mailbox command for registering remote port login. 742 * The function allocates DMA buffer for passing the service parameters to the 743 * HBA with the mailbox command. 744 * 745 * Return codes 746 * 0 - Success 747 * 1 - DMA memory allocation failed 748 **/ 749 int 750 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 751 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) 752 { 753 MAILBOX_t *mb = &pmb->u.mb; 754 uint8_t *sparam; 755 struct lpfc_dmabuf *mp; 756 757 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 758 759 mb->un.varRegLogin.rpi = 0; 760 if (phba->sli_rev == LPFC_SLI_REV4) 761 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; 762 if (phba->sli_rev >= LPFC_SLI_REV3) 763 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; 764 mb->un.varRegLogin.did = did; 765 mb->mbxOwner = OWN_HOST; 766 /* Get a buffer to hold NPorts Service Parameters */ 767 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 768 if (mp) 769 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 770 if (!mp || !mp->virt) { 771 kfree(mp); 772 mb->mbxCommand = MBX_REG_LOGIN64; 773 /* REG_LOGIN: no buffers */ 774 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 775 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 776 "rpi x%x\n", vpi, did, rpi); 777 return 1; 778 } 779 INIT_LIST_HEAD(&mp->list); 780 sparam = mp->virt; 781 782 /* Copy param's into a new buffer */ 783 memcpy(sparam, param, sizeof (struct serv_parm)); 784 785 /* save address for completion */ 786 pmb->context1 = (uint8_t *) mp; 787 788 mb->mbxCommand = MBX_REG_LOGIN64; 789 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 790 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 791 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 792 793 return 0; 794 } 795 796 /** 797 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login 798 * @phba: pointer to lpfc hba data structure. 799 * @vpi: virtual N_Port identifier. 800 * @rpi: remote port identifier 801 * @pmb: pointer to the driver internal queue element for mailbox command. 802 * 803 * The unregistration login mailbox command is used to unregister an N_Port 804 * or F_Port login. This command frees an RPI context in the HBA. It has the 805 * effect of performing an implicit N_Port/F_Port logout. 806 * 807 * This routine prepares the mailbox command for unregistering remote port 808 * login. 809 * 810 * For SLI4 ports, the rpi passed to this function must be the physical 811 * rpi value, not the logical index. 812 **/ 813 void 814 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 815 LPFC_MBOXQ_t * pmb) 816 { 817 MAILBOX_t *mb; 818 819 mb = &pmb->u.mb; 820 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 821 822 mb->un.varUnregLogin.rpi = rpi; 823 mb->un.varUnregLogin.rsvd1 = 0; 824 if (phba->sli_rev >= LPFC_SLI_REV3) 825 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; 826 827 mb->mbxCommand = MBX_UNREG_LOGIN; 828 mb->mbxOwner = OWN_HOST; 829 830 return; 831 } 832 833 /** 834 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. 835 * @vport: pointer to a vport object. 836 * 837 * This routine sends mailbox command to unregister all active RPIs for 838 * a vport. 839 **/ 840 void 841 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) 842 { 843 struct lpfc_hba *phba = vport->phba; 844 LPFC_MBOXQ_t *mbox; 845 int rc; 846 847 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 848 if (mbox) { 849 /* 850 * For SLI4 functions, the rpi field is overloaded for 851 * the vport context unreg all. This routine passes 852 * 0 for the rpi field in lpfc_unreg_login for compatibility 853 * with SLI3 and then overrides the rpi field with the 854 * expected value for SLI4. 855 */ 856 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], 857 mbox); 858 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; 859 mbox->vport = vport; 860 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 861 mbox->context1 = NULL; 862 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 863 if (rc == MBX_NOT_FINISHED) 864 mempool_free(mbox, phba->mbox_mem_pool); 865 } 866 } 867 868 /** 869 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier 870 * @phba: pointer to lpfc hba data structure. 871 * @vpi: virtual N_Port identifier. 872 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). 873 * @pmb: pointer to the driver internal queue element for mailbox command. 874 * 875 * The registration vport identifier mailbox command is used to activate a 876 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 877 * N_Port_ID against the information in the selected virtual N_Port context 878 * block and marks it active to allow normal processing of IOCB commands and 879 * received unsolicited exchanges. 880 * 881 * This routine prepares the mailbox command for registering a virtual N_Port. 882 **/ 883 void 884 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) 885 { 886 MAILBOX_t *mb = &pmb->u.mb; 887 struct lpfc_hba *phba = vport->phba; 888 889 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 890 /* 891 * Set the re-reg VPI bit for f/w to update the MAC address. 892 */ 893 if ((phba->sli_rev == LPFC_SLI_REV4) && 894 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) 895 mb->un.varRegVpi.upd = 1; 896 897 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; 898 mb->un.varRegVpi.sid = vport->fc_myDID; 899 if (phba->sli_rev == LPFC_SLI_REV4) 900 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; 901 else 902 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; 903 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, 904 sizeof(struct lpfc_name)); 905 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); 906 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); 907 908 mb->mbxCommand = MBX_REG_VPI; 909 mb->mbxOwner = OWN_HOST; 910 return; 911 912 } 913 914 /** 915 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id 916 * @phba: pointer to lpfc hba data structure. 917 * @vpi: virtual N_Port identifier. 918 * @pmb: pointer to the driver internal queue element for mailbox command. 919 * 920 * The unregistration vport identifier mailbox command is used to inactivate 921 * a virtual N_Port. The driver must have logged out and unregistered all 922 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 923 * unregisters any default RPIs associated with the specified vpi, aborting 924 * any active exchanges. The HBA will post the mailbox response after making 925 * the virtual N_Port inactive. 926 * 927 * This routine prepares the mailbox command for unregistering a virtual 928 * N_Port. 929 **/ 930 void 931 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 932 { 933 MAILBOX_t *mb = &pmb->u.mb; 934 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 935 936 if (phba->sli_rev == LPFC_SLI_REV3) 937 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; 938 else if (phba->sli_rev >= LPFC_SLI_REV4) 939 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; 940 941 mb->mbxCommand = MBX_UNREG_VPI; 942 mb->mbxOwner = OWN_HOST; 943 return; 944 945 } 946 947 /** 948 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) 949 * @phba: pointer to lpfc hba data structure. 950 * 951 * This routine sets up and initializes the IOCB rings in the Port Control 952 * Block (PCB). 953 **/ 954 static void 955 lpfc_config_pcb_setup(struct lpfc_hba * phba) 956 { 957 struct lpfc_sli *psli = &phba->sli; 958 struct lpfc_sli_ring *pring; 959 PCB_t *pcbp = phba->pcb; 960 dma_addr_t pdma_addr; 961 uint32_t offset; 962 uint32_t iocbCnt = 0; 963 int i; 964 965 pcbp->maxRing = (psli->num_rings - 1); 966 967 for (i = 0; i < psli->num_rings; i++) { 968 pring = &psli->sli3_ring[i]; 969 970 pring->sli.sli3.sizeCiocb = 971 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : 972 SLI2_IOCB_CMD_SIZE; 973 pring->sli.sli3.sizeRiocb = 974 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : 975 SLI2_IOCB_RSP_SIZE; 976 /* A ring MUST have both cmd and rsp entries defined to be 977 valid */ 978 if ((pring->sli.sli3.numCiocb == 0) || 979 (pring->sli.sli3.numRiocb == 0)) { 980 pcbp->rdsc[i].cmdEntries = 0; 981 pcbp->rdsc[i].rspEntries = 0; 982 pcbp->rdsc[i].cmdAddrHigh = 0; 983 pcbp->rdsc[i].rspAddrHigh = 0; 984 pcbp->rdsc[i].cmdAddrLow = 0; 985 pcbp->rdsc[i].rspAddrLow = 0; 986 pring->sli.sli3.cmdringaddr = NULL; 987 pring->sli.sli3.rspringaddr = NULL; 988 continue; 989 } 990 /* Command ring setup for ring */ 991 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 992 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; 993 994 offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 995 (uint8_t *) phba->slim2p.virt; 996 pdma_addr = phba->slim2p.phys + offset; 997 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 998 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 999 iocbCnt += pring->sli.sli3.numCiocb; 1000 1001 /* Response ring setup for ring */ 1002 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 1003 1004 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; 1005 offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 1006 (uint8_t *)phba->slim2p.virt; 1007 pdma_addr = phba->slim2p.phys + offset; 1008 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 1009 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 1010 iocbCnt += pring->sli.sli3.numRiocb; 1011 } 1012 } 1013 1014 /** 1015 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision 1016 * @phba: pointer to lpfc hba data structure. 1017 * @pmb: pointer to the driver internal queue element for mailbox command. 1018 * 1019 * The read revision mailbox command is used to read the revision levels of 1020 * the HBA components. These components include hardware units, resident 1021 * firmware, and available firmware. HBAs that supports SLI-3 mode of 1022 * operation provide different response information depending on the version 1023 * requested by the driver. 1024 * 1025 * This routine prepares the mailbox command for reading HBA revision 1026 * information. 1027 **/ 1028 void 1029 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1030 { 1031 MAILBOX_t *mb = &pmb->u.mb; 1032 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1033 mb->un.varRdRev.cv = 1; 1034 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 1035 mb->mbxCommand = MBX_READ_REV; 1036 mb->mbxOwner = OWN_HOST; 1037 return; 1038 } 1039 1040 void 1041 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1042 { 1043 MAILBOX_t *mb = &pmb->u.mb; 1044 struct lpfc_mqe *mqe; 1045 1046 switch (mb->mbxCommand) { 1047 case MBX_READ_REV: 1048 mqe = &pmb->u.mqe; 1049 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, 1050 mqe->un.read_rev.fw_name, 16); 1051 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, 1052 mqe->un.read_rev.ulp_fw_name, 16); 1053 break; 1054 default: 1055 break; 1056 } 1057 return; 1058 } 1059 1060 /** 1061 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 1062 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1063 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1064 * 1065 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 1066 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 1067 * the Sequence Length Test using the fields in the Selection Profile 2 1068 * extension in words 20:31. 1069 **/ 1070 static void 1071 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 1072 struct lpfc_hbq_init *hbq_desc) 1073 { 1074 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 1075 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 1076 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 1077 } 1078 1079 /** 1080 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 1081 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1082 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1083 * 1084 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 1085 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 1086 * the Sequence Length Test and Byte Field Test using the fields in the 1087 * Selection Profile 3 extension in words 20:31. 1088 **/ 1089 static void 1090 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 1091 struct lpfc_hbq_init *hbq_desc) 1092 { 1093 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 1094 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 1095 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 1096 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 1097 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 1098 sizeof(hbqmb->profiles.profile3.cmdmatch)); 1099 } 1100 1101 /** 1102 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 1103 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1104 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1105 * 1106 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 1107 * HBA tests the initial frame of an incoming sequence using the frame's 1108 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 1109 * and Byte Field Test using the fields in the Selection Profile 5 extension 1110 * words 20:31. 1111 **/ 1112 static void 1113 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 1114 struct lpfc_hbq_init *hbq_desc) 1115 { 1116 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 1117 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 1118 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 1119 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 1120 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 1121 sizeof(hbqmb->profiles.profile5.cmdmatch)); 1122 } 1123 1124 /** 1125 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ 1126 * @phba: pointer to lpfc hba data structure. 1127 * @id: HBQ identifier. 1128 * @hbq_desc: pointer to the HBA descriptor data structure. 1129 * @hbq_entry_index: index of the HBQ entry data structures. 1130 * @pmb: pointer to the driver internal queue element for mailbox command. 1131 * 1132 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 1133 * an HBQ. The configuration binds events that require buffers to a particular 1134 * ring and HBQ based on a selection profile. 1135 * 1136 * This routine prepares the mailbox command for configuring an HBQ. 1137 **/ 1138 void 1139 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 1140 struct lpfc_hbq_init *hbq_desc, 1141 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 1142 { 1143 int i; 1144 MAILBOX_t *mb = &pmb->u.mb; 1145 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 1146 1147 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1148 hbqmb->hbqId = id; 1149 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 1150 hbqmb->recvNotify = hbq_desc->rn; /* Receive 1151 * Notification */ 1152 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 1153 * # in words 0-19 */ 1154 hbqmb->profile = hbq_desc->profile; /* Selection profile: 1155 * 0 = all, 1156 * 7 = logentry */ 1157 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 1158 * e.g. Ring0=b0001, 1159 * ring2=b0100 */ 1160 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 1161 * or 5 */ 1162 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 1163 * HBQ will be used 1164 * for LogEntry 1165 * buffers */ 1166 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 1167 hbq_entry_index * sizeof(struct lpfc_hbq_entry); 1168 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 1169 1170 mb->mbxCommand = MBX_CONFIG_HBQ; 1171 mb->mbxOwner = OWN_HOST; 1172 1173 /* Copy info for profiles 2,3,5. Other 1174 * profiles this area is reserved 1175 */ 1176 if (hbq_desc->profile == 2) 1177 lpfc_build_hbq_profile2(hbqmb, hbq_desc); 1178 else if (hbq_desc->profile == 3) 1179 lpfc_build_hbq_profile3(hbqmb, hbq_desc); 1180 else if (hbq_desc->profile == 5) 1181 lpfc_build_hbq_profile5(hbqmb, hbq_desc); 1182 1183 /* Return if no rctl / type masks for this HBQ */ 1184 if (!hbq_desc->mask_count) 1185 return; 1186 1187 /* Otherwise we setup specific rctl / type masks for this HBQ */ 1188 for (i = 0; i < hbq_desc->mask_count; i++) { 1189 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 1190 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 1191 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 1192 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 1193 } 1194 1195 return; 1196 } 1197 1198 /** 1199 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring 1200 * @phba: pointer to lpfc hba data structure. 1201 * @ring: 1202 * @pmb: pointer to the driver internal queue element for mailbox command. 1203 * 1204 * The configure ring mailbox command is used to configure an IOCB ring. This 1205 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1206 * ring. This is used to map incoming sequences to a particular ring whose 1207 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1208 * attempt to configure a ring whose number is greater than the number 1209 * specified in the Port Control Block (PCB). It is an error to issue the 1210 * configure ring command more than once with the same ring number. The HBA 1211 * returns an error if the driver attempts this. 1212 * 1213 * This routine prepares the mailbox command for configuring IOCB ring. 1214 **/ 1215 void 1216 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1217 { 1218 int i; 1219 MAILBOX_t *mb = &pmb->u.mb; 1220 struct lpfc_sli *psli; 1221 struct lpfc_sli_ring *pring; 1222 1223 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1224 1225 mb->un.varCfgRing.ring = ring; 1226 mb->un.varCfgRing.maxOrigXchg = 0; 1227 mb->un.varCfgRing.maxRespXchg = 0; 1228 mb->un.varCfgRing.recvNotify = 1; 1229 1230 psli = &phba->sli; 1231 pring = &psli->sli3_ring[ring]; 1232 mb->un.varCfgRing.numMask = pring->num_mask; 1233 mb->mbxCommand = MBX_CONFIG_RING; 1234 mb->mbxOwner = OWN_HOST; 1235 1236 /* Is this ring configured for a specific profile */ 1237 if (pring->prt[0].profile) { 1238 mb->un.varCfgRing.profile = pring->prt[0].profile; 1239 return; 1240 } 1241 1242 /* Otherwise we setup specific rctl / type masks for this ring */ 1243 for (i = 0; i < pring->num_mask; i++) { 1244 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1245 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) 1246 mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1247 else 1248 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1249 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1250 mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1251 } 1252 1253 return; 1254 } 1255 1256 /** 1257 * lpfc_config_port - Prepare a mailbox command for configuring port 1258 * @phba: pointer to lpfc hba data structure. 1259 * @pmb: pointer to the driver internal queue element for mailbox command. 1260 * 1261 * The configure port mailbox command is used to identify the Port Control 1262 * Block (PCB) in the driver memory. After this command is issued, the 1263 * driver must not access the mailbox in the HBA without first resetting 1264 * the HBA. The HBA may copy the PCB information to internal storage for 1265 * subsequent use; the driver can not change the PCB information unless it 1266 * resets the HBA. 1267 * 1268 * This routine prepares the mailbox command for configuring port. 1269 **/ 1270 void 1271 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1272 { 1273 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1274 MAILBOX_t *mb = &pmb->u.mb; 1275 dma_addr_t pdma_addr; 1276 uint32_t bar_low, bar_high; 1277 size_t offset; 1278 struct lpfc_hgp hgp; 1279 int i; 1280 uint32_t pgp_offset; 1281 1282 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1283 mb->mbxCommand = MBX_CONFIG_PORT; 1284 mb->mbxOwner = OWN_HOST; 1285 1286 mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1287 1288 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 1289 pdma_addr = phba->slim2p.phys + offset; 1290 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1291 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1292 1293 /* Always Host Group Pointer is in SLIM */ 1294 mb->un.varCfgPort.hps = 1; 1295 1296 /* If HBA supports SLI=3 ask for it */ 1297 1298 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { 1299 if (phba->cfg_enable_bg) 1300 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1301 if (phba->cfg_enable_dss) 1302 mb->un.varCfgPort.cdss = 1; /* Configure Security */ 1303 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 1304 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 1305 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 1306 if (phba->max_vpi && phba->cfg_enable_npiv && 1307 phba->vpd.sli3Feat.cmv) { 1308 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; 1309 mb->un.varCfgPort.cmv = 1; 1310 } else 1311 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 1312 } else 1313 phba->sli_rev = LPFC_SLI_REV2; 1314 mb->un.varCfgPort.sli_mode = phba->sli_rev; 1315 1316 /* If this is an SLI3 port, configure async status notification. */ 1317 if (phba->sli_rev == LPFC_SLI_REV3) 1318 mb->un.varCfgPort.casabt = 1; 1319 1320 /* Now setup pcb */ 1321 phba->pcb->type = TYPE_NATIVE_SLI2; 1322 phba->pcb->feature = FEATURE_INITIAL_SLI2; 1323 1324 /* Setup Mailbox pointers */ 1325 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; 1326 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 1327 pdma_addr = phba->slim2p.phys + offset; 1328 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 1329 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1330 1331 /* 1332 * Setup Host Group ring pointer. 1333 * 1334 * For efficiency reasons, the ring get/put pointers can be 1335 * placed in adapter memory (SLIM) rather than in host memory. 1336 * This allows firmware to avoid PCI reads/writes when updating 1337 * and checking pointers. 1338 * 1339 * The firmware recognizes the use of SLIM memory by comparing 1340 * the address of the get/put pointers structure with that of 1341 * the SLIM BAR (BAR0). 1342 * 1343 * Caution: be sure to use the PCI config space value of BAR0/BAR1 1344 * (the hardware's view of the base address), not the OS's 1345 * value of pci_resource_start() as the OS value may be a cookie 1346 * for ioremap/iomap. 1347 */ 1348 1349 1350 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1351 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1352 1353 /* 1354 * Set up HGP - Port Memory 1355 * 1356 * The port expects the host get/put pointers to reside in memory 1357 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1358 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1359 * words (0x40 bytes). This area is not reserved if HBQs are 1360 * configured in SLI-3. 1361 * 1362 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1363 * RR0Get 0xc4 0x84 1364 * CR1Put 0xc8 0x88 1365 * RR1Get 0xcc 0x8c 1366 * CR2Put 0xd0 0x90 1367 * RR2Get 0xd4 0x94 1368 * CR3Put 0xd8 0x98 1369 * RR3Get 0xdc 0x9c 1370 * 1371 * Reserved 0xa0-0xbf 1372 * If HBQs configured: 1373 * HBQ 0 Put ptr 0xc0 1374 * HBQ 1 Put ptr 0xc4 1375 * HBQ 2 Put ptr 0xc8 1376 * ...... 1377 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1378 * 1379 */ 1380 1381 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { 1382 phba->host_gp = &phba->mbox->us.s2.host[0]; 1383 phba->hbq_put = NULL; 1384 offset = (uint8_t *)&phba->mbox->us.s2.host - 1385 (uint8_t *)phba->slim2p.virt; 1386 pdma_addr = phba->slim2p.phys + offset; 1387 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); 1388 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); 1389 } else { 1390 /* Always Host Group Pointer is in SLIM */ 1391 mb->un.varCfgPort.hps = 1; 1392 1393 if (phba->sli_rev == 3) { 1394 phba->host_gp = &mb_slim->us.s3.host[0]; 1395 phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1396 } else { 1397 phba->host_gp = &mb_slim->us.s2.host[0]; 1398 phba->hbq_put = NULL; 1399 } 1400 1401 /* mask off BAR0's flag bits 0 - 3 */ 1402 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1403 (void __iomem *)phba->host_gp - 1404 (void __iomem *)phba->MBslimaddr; 1405 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 1406 phba->pcb->hgpAddrHigh = bar_high; 1407 else 1408 phba->pcb->hgpAddrHigh = 0; 1409 /* write HGP data to SLIM at the required longword offset */ 1410 memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1411 1412 for (i = 0; i < phba->sli.num_rings; i++) { 1413 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1414 sizeof(*phba->host_gp)); 1415 } 1416 } 1417 1418 /* Setup Port Group offset */ 1419 if (phba->sli_rev == 3) 1420 pgp_offset = offsetof(struct lpfc_sli2_slim, 1421 mbx.us.s3_pgp.port); 1422 else 1423 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 1424 pdma_addr = phba->slim2p.phys + pgp_offset; 1425 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 1426 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1427 1428 /* Use callback routine to setp rings in the pcb */ 1429 lpfc_config_pcb_setup(phba); 1430 1431 /* special handling for LC HBAs */ 1432 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1433 uint32_t hbainit[5]; 1434 1435 lpfc_hba_init(phba, hbainit); 1436 1437 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1438 } 1439 1440 /* Swap PCB if needed */ 1441 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1442 } 1443 1444 /** 1445 * lpfc_kill_board - Prepare a mailbox command for killing board 1446 * @phba: pointer to lpfc hba data structure. 1447 * @pmb: pointer to the driver internal queue element for mailbox command. 1448 * 1449 * The kill board mailbox command is used to tell firmware to perform a 1450 * graceful shutdown of a channel on a specified board to prepare for reset. 1451 * When the kill board mailbox command is received, the ER3 bit is set to 1 1452 * in the Host Status register and the ER Attention bit is set to 1 in the 1453 * Host Attention register of the HBA function that received the kill board 1454 * command. 1455 * 1456 * This routine prepares the mailbox command for killing the board in 1457 * preparation for a graceful shutdown. 1458 **/ 1459 void 1460 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1461 { 1462 MAILBOX_t *mb = &pmb->u.mb; 1463 1464 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1465 mb->mbxCommand = MBX_KILL_BOARD; 1466 mb->mbxOwner = OWN_HOST; 1467 return; 1468 } 1469 1470 /** 1471 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue 1472 * @phba: pointer to lpfc hba data structure. 1473 * @mbq: pointer to the driver internal queue element for mailbox command. 1474 * 1475 * Driver maintains a internal mailbox command queue implemented as a linked 1476 * list. When a mailbox command is issued, it shall be put into the mailbox 1477 * command queue such that they shall be processed orderly as HBA can process 1478 * one mailbox command at a time. 1479 **/ 1480 void 1481 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1482 { 1483 struct lpfc_sli *psli; 1484 1485 psli = &phba->sli; 1486 1487 list_add_tail(&mbq->list, &psli->mboxq); 1488 1489 psli->mboxq_cnt++; 1490 1491 return; 1492 } 1493 1494 /** 1495 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue 1496 * @phba: pointer to lpfc hba data structure. 1497 * 1498 * Driver maintains a internal mailbox command queue implemented as a linked 1499 * list. When a mailbox command is issued, it shall be put into the mailbox 1500 * command queue such that they shall be processed orderly as HBA can process 1501 * one mailbox command at a time. After HBA finished processing a mailbox 1502 * command, the driver will remove a pending mailbox command from the head of 1503 * the mailbox command queue and send to the HBA for processing. 1504 * 1505 * Return codes 1506 * pointer to the driver internal queue element for mailbox command. 1507 **/ 1508 LPFC_MBOXQ_t * 1509 lpfc_mbox_get(struct lpfc_hba * phba) 1510 { 1511 LPFC_MBOXQ_t *mbq = NULL; 1512 struct lpfc_sli *psli = &phba->sli; 1513 1514 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 1515 if (mbq) 1516 psli->mboxq_cnt--; 1517 1518 return mbq; 1519 } 1520 1521 /** 1522 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list 1523 * @phba: pointer to lpfc hba data structure. 1524 * @mbq: pointer to the driver internal queue element for mailbox command. 1525 * 1526 * This routine put the completed mailbox command into the mailbox command 1527 * complete list. This is the unlocked version of the routine. The mailbox 1528 * complete list is used by the driver worker thread to process mailbox 1529 * complete callback functions outside the driver interrupt handler. 1530 **/ 1531 void 1532 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1533 { 1534 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 1535 } 1536 1537 /** 1538 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list 1539 * @phba: pointer to lpfc hba data structure. 1540 * @mbq: pointer to the driver internal queue element for mailbox command. 1541 * 1542 * This routine put the completed mailbox command into the mailbox command 1543 * complete list. This is the locked version of the routine. The mailbox 1544 * complete list is used by the driver worker thread to process mailbox 1545 * complete callback functions outside the driver interrupt handler. 1546 **/ 1547 void 1548 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1549 { 1550 unsigned long iflag; 1551 1552 /* This function expects to be called from interrupt context */ 1553 spin_lock_irqsave(&phba->hbalock, iflag); 1554 __lpfc_mbox_cmpl_put(phba, mbq); 1555 spin_unlock_irqrestore(&phba->hbalock, iflag); 1556 return; 1557 } 1558 1559 /** 1560 * lpfc_mbox_cmd_check - Check the validality of a mailbox command 1561 * @phba: pointer to lpfc hba data structure. 1562 * @mboxq: pointer to the driver internal queue element for mailbox command. 1563 * 1564 * This routine is to check whether a mailbox command is valid to be issued. 1565 * This check will be performed by both the mailbox issue API when a client 1566 * is to issue a mailbox command to the mailbox transport. 1567 * 1568 * Return 0 - pass the check, -ENODEV - fail the check 1569 **/ 1570 int 1571 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1572 { 1573 /* Mailbox command that have a completion handler must also have a 1574 * vport specified. 1575 */ 1576 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && 1577 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { 1578 if (!mboxq->vport) { 1579 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, 1580 "1814 Mbox x%x failed, no vport\n", 1581 mboxq->u.mb.mbxCommand); 1582 dump_stack(); 1583 return -ENODEV; 1584 } 1585 } 1586 return 0; 1587 } 1588 1589 /** 1590 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command 1591 * @phba: pointer to lpfc hba data structure. 1592 * 1593 * This routine is to check whether the HBA device is ready for posting a 1594 * mailbox command. It is used by the mailbox transport API at the time the 1595 * to post a mailbox command to the device. 1596 * 1597 * Return 0 - pass the check, -ENODEV - fail the check 1598 **/ 1599 int 1600 lpfc_mbox_dev_check(struct lpfc_hba *phba) 1601 { 1602 /* If the PCI channel is in offline state, do not issue mbox */ 1603 if (unlikely(pci_channel_offline(phba->pcidev))) 1604 return -ENODEV; 1605 1606 /* If the HBA is in error state, do not issue mbox */ 1607 if (phba->link_state == LPFC_HBA_ERROR) 1608 return -ENODEV; 1609 1610 return 0; 1611 } 1612 1613 /** 1614 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value 1615 * @phba: pointer to lpfc hba data structure. 1616 * @cmd: mailbox command code. 1617 * 1618 * This routine retrieves the proper timeout value according to the mailbox 1619 * command code. 1620 * 1621 * Return codes 1622 * Timeout value to be used for the given mailbox command 1623 **/ 1624 int 1625 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1626 { 1627 MAILBOX_t *mbox = &mboxq->u.mb; 1628 uint8_t subsys, opcode; 1629 1630 switch (mbox->mbxCommand) { 1631 case MBX_WRITE_NV: /* 0x03 */ 1632 case MBX_DUMP_MEMORY: /* 0x17 */ 1633 case MBX_UPDATE_CFG: /* 0x1B */ 1634 case MBX_DOWN_LOAD: /* 0x1C */ 1635 case MBX_DEL_LD_ENTRY: /* 0x1D */ 1636 case MBX_WRITE_VPARMS: /* 0x32 */ 1637 case MBX_LOAD_AREA: /* 0x81 */ 1638 case MBX_WRITE_WWN: /* 0x98 */ 1639 case MBX_LOAD_EXP_ROM: /* 0x9C */ 1640 case MBX_ACCESS_VDATA: /* 0xA5 */ 1641 return LPFC_MBOX_TMO_FLASH_CMD; 1642 case MBX_SLI4_CONFIG: /* 0x9b */ 1643 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); 1644 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); 1645 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { 1646 switch (opcode) { 1647 case LPFC_MBOX_OPCODE_READ_OBJECT: 1648 case LPFC_MBOX_OPCODE_WRITE_OBJECT: 1649 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: 1650 case LPFC_MBOX_OPCODE_DELETE_OBJECT: 1651 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: 1652 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: 1653 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: 1654 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: 1655 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: 1656 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: 1657 case LPFC_MBOX_OPCODE_SEND_ACTIVATION: 1658 case LPFC_MBOX_OPCODE_RESET_LICENSES: 1659 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: 1660 case LPFC_MBOX_OPCODE_GET_VPD_DATA: 1661 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: 1662 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1663 } 1664 } 1665 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { 1666 switch (opcode) { 1667 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: 1668 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1669 } 1670 } 1671 return LPFC_MBOX_SLI4_CONFIG_TMO; 1672 } 1673 return LPFC_MBOX_TMO; 1674 } 1675 1676 /** 1677 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command 1678 * @mbox: pointer to lpfc mbox command. 1679 * @sgentry: sge entry index. 1680 * @phyaddr: physical address for the sge 1681 * @length: Length of the sge. 1682 * 1683 * This routine sets up an entry in the non-embedded mailbox command at the sge 1684 * index location. 1685 **/ 1686 void 1687 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, 1688 dma_addr_t phyaddr, uint32_t length) 1689 { 1690 struct lpfc_mbx_nembed_cmd *nembed_sge; 1691 1692 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1693 &mbox->u.mqe.un.nembed_cmd; 1694 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); 1695 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); 1696 nembed_sge->sge[sgentry].length = length; 1697 } 1698 1699 /** 1700 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command 1701 * @mbox: pointer to lpfc mbox command. 1702 * @sgentry: sge entry index. 1703 * 1704 * This routine gets an entry from the non-embedded mailbox command at the sge 1705 * index location. 1706 **/ 1707 void 1708 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, 1709 struct lpfc_mbx_sge *sge) 1710 { 1711 struct lpfc_mbx_nembed_cmd *nembed_sge; 1712 1713 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1714 &mbox->u.mqe.un.nembed_cmd; 1715 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; 1716 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; 1717 sge->length = nembed_sge->sge[sgentry].length; 1718 } 1719 1720 /** 1721 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command 1722 * @phba: pointer to lpfc hba data structure. 1723 * @mbox: pointer to lpfc mbox command. 1724 * 1725 * This routine frees SLI4 specific mailbox command for sending IOCTL command. 1726 **/ 1727 void 1728 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 1729 { 1730 struct lpfc_mbx_sli4_config *sli4_cfg; 1731 struct lpfc_mbx_sge sge; 1732 dma_addr_t phyaddr; 1733 uint32_t sgecount, sgentry; 1734 1735 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1736 1737 /* For embedded mbox command, just free the mbox command */ 1738 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1739 mempool_free(mbox, phba->mbox_mem_pool); 1740 return; 1741 } 1742 1743 /* For non-embedded mbox command, we need to free the pages first */ 1744 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); 1745 /* There is nothing we can do if there is no sge address array */ 1746 if (unlikely(!mbox->sge_array)) { 1747 mempool_free(mbox, phba->mbox_mem_pool); 1748 return; 1749 } 1750 /* Each non-embedded DMA memory was allocated in the length of a page */ 1751 for (sgentry = 0; sgentry < sgecount; sgentry++) { 1752 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); 1753 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); 1754 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 1755 mbox->sge_array->addr[sgentry], phyaddr); 1756 } 1757 /* Free the sge address array memory */ 1758 kfree(mbox->sge_array); 1759 /* Finally, free the mailbox command itself */ 1760 mempool_free(mbox, phba->mbox_mem_pool); 1761 } 1762 1763 /** 1764 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command 1765 * @phba: pointer to lpfc hba data structure. 1766 * @mbox: pointer to lpfc mbox command. 1767 * @subsystem: The sli4 config sub mailbox subsystem. 1768 * @opcode: The sli4 config sub mailbox command opcode. 1769 * @length: Length of the sli4 config mailbox command (including sub-header). 1770 * 1771 * This routine sets up the header fields of SLI4 specific mailbox command 1772 * for sending IOCTL command. 1773 * 1774 * Return: the actual length of the mbox command allocated (mostly useful 1775 * for none embedded mailbox command). 1776 **/ 1777 int 1778 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1779 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) 1780 { 1781 struct lpfc_mbx_sli4_config *sli4_config; 1782 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; 1783 uint32_t alloc_len; 1784 uint32_t resid_len; 1785 uint32_t pagen, pcount; 1786 void *viraddr; 1787 dma_addr_t phyaddr; 1788 1789 /* Set up SLI4 mailbox command header fields */ 1790 memset(mbox, 0, sizeof(*mbox)); 1791 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); 1792 1793 /* Set up SLI4 ioctl command header fields */ 1794 sli4_config = &mbox->u.mqe.un.sli4_config; 1795 1796 /* Setup for the embedded mbox command */ 1797 if (emb) { 1798 /* Set up main header fields */ 1799 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); 1800 sli4_config->header.cfg_mhdr.payload_length = length; 1801 /* Set up sub-header fields following main header */ 1802 bf_set(lpfc_mbox_hdr_opcode, 1803 &sli4_config->header.cfg_shdr.request, opcode); 1804 bf_set(lpfc_mbox_hdr_subsystem, 1805 &sli4_config->header.cfg_shdr.request, subsystem); 1806 sli4_config->header.cfg_shdr.request.request_length = 1807 length - LPFC_MBX_CMD_HDR_LENGTH; 1808 return length; 1809 } 1810 1811 /* Setup for the non-embedded mbox command */ 1812 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; 1813 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? 1814 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; 1815 /* Allocate record for keeping SGE virtual addresses */ 1816 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), 1817 GFP_KERNEL); 1818 if (!mbox->sge_array) { 1819 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1820 "2527 Failed to allocate non-embedded SGE " 1821 "array.\n"); 1822 return 0; 1823 } 1824 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { 1825 /* The DMA memory is always allocated in the length of a 1826 * page even though the last SGE might not fill up to a 1827 * page, this is used as a priori size of SLI4_PAGE_SIZE for 1828 * the later DMA memory free. 1829 */ 1830 viraddr = dma_zalloc_coherent(&phba->pcidev->dev, 1831 SLI4_PAGE_SIZE, &phyaddr, 1832 GFP_KERNEL); 1833 /* In case of malloc fails, proceed with whatever we have */ 1834 if (!viraddr) 1835 break; 1836 mbox->sge_array->addr[pagen] = viraddr; 1837 /* Keep the first page for later sub-header construction */ 1838 if (pagen == 0) 1839 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; 1840 resid_len = length - alloc_len; 1841 if (resid_len > SLI4_PAGE_SIZE) { 1842 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1843 SLI4_PAGE_SIZE); 1844 alloc_len += SLI4_PAGE_SIZE; 1845 } else { 1846 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1847 resid_len); 1848 alloc_len = length; 1849 } 1850 } 1851 1852 /* Set up main header fields in mailbox command */ 1853 sli4_config->header.cfg_mhdr.payload_length = alloc_len; 1854 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); 1855 1856 /* Set up sub-header fields into the first page */ 1857 if (pagen > 0) { 1858 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); 1859 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); 1860 cfg_shdr->request.request_length = 1861 alloc_len - sizeof(union lpfc_sli4_cfg_shdr); 1862 } 1863 /* The sub-header is in DMA memory, which needs endian converstion */ 1864 if (cfg_shdr) 1865 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, 1866 sizeof(union lpfc_sli4_cfg_shdr)); 1867 return alloc_len; 1868 } 1869 1870 /** 1871 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. 1872 * @phba: pointer to lpfc hba data structure. 1873 * @mbox: pointer to an allocated lpfc mbox resource. 1874 * @exts_count: the number of extents, if required, to allocate. 1875 * @rsrc_type: the resource extent type. 1876 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. 1877 * 1878 * This routine completes the subcommand header for SLI4 resource extent 1879 * mailbox commands. It is called after lpfc_sli4_config. The caller must 1880 * pass an allocated mailbox and the attributes required to initialize the 1881 * mailbox correctly. 1882 * 1883 * Return: the actual length of the mbox command allocated. 1884 **/ 1885 int 1886 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1887 uint16_t exts_count, uint16_t rsrc_type, bool emb) 1888 { 1889 uint8_t opcode = 0; 1890 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; 1891 void *virtaddr = NULL; 1892 1893 /* Set up SLI4 ioctl command header fields */ 1894 if (emb == LPFC_SLI4_MBX_NEMBED) { 1895 /* Get the first SGE entry from the non-embedded DMA memory */ 1896 virtaddr = mbox->sge_array->addr[0]; 1897 if (virtaddr == NULL) 1898 return 1; 1899 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; 1900 } 1901 1902 /* 1903 * The resource type is common to all extent Opcodes and resides in the 1904 * same position. 1905 */ 1906 if (emb == LPFC_SLI4_MBX_EMBED) 1907 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1908 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1909 rsrc_type); 1910 else { 1911 /* This is DMA data. Byteswap is required. */ 1912 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1913 n_rsrc_extnt, rsrc_type); 1914 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, 1915 &n_rsrc_extnt->word4, 1916 sizeof(uint32_t)); 1917 } 1918 1919 /* Complete the initialization for the particular Opcode. */ 1920 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); 1921 switch (opcode) { 1922 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: 1923 if (emb == LPFC_SLI4_MBX_EMBED) 1924 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1925 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1926 exts_count); 1927 else 1928 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1929 n_rsrc_extnt, exts_count); 1930 break; 1931 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: 1932 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: 1933 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: 1934 /* Initialization is complete.*/ 1935 break; 1936 default: 1937 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1938 "2929 Resource Extent Opcode x%x is " 1939 "unsupported\n", opcode); 1940 return 1; 1941 } 1942 1943 return 0; 1944 } 1945 1946 /** 1947 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd 1948 * @phba: pointer to lpfc hba data structure. 1949 * @mbox: pointer to lpfc mbox command queue entry. 1950 * 1951 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox 1952 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the 1953 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall 1954 * be returned. 1955 **/ 1956 uint8_t 1957 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1958 { 1959 struct lpfc_mbx_sli4_config *sli4_cfg; 1960 union lpfc_sli4_cfg_shdr *cfg_shdr; 1961 1962 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1963 return LPFC_MBOX_SUBSYSTEM_NA; 1964 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1965 1966 /* For embedded mbox command, get opcode from embedded sub-header*/ 1967 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1968 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 1969 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1970 } 1971 1972 /* For non-embedded mbox command, get opcode from first dma page */ 1973 if (unlikely(!mbox->sge_array)) 1974 return LPFC_MBOX_SUBSYSTEM_NA; 1975 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 1976 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1977 } 1978 1979 /** 1980 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd 1981 * @phba: pointer to lpfc hba data structure. 1982 * @mbox: pointer to lpfc mbox command queue entry. 1983 * 1984 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox 1985 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if 1986 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be 1987 * returned. 1988 **/ 1989 uint8_t 1990 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1991 { 1992 struct lpfc_mbx_sli4_config *sli4_cfg; 1993 union lpfc_sli4_cfg_shdr *cfg_shdr; 1994 1995 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1996 return LPFC_MBOX_OPCODE_NA; 1997 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1998 1999 /* For embedded mbox command, get opcode from embedded sub-header*/ 2000 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 2001 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 2002 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2003 } 2004 2005 /* For non-embedded mbox command, get opcode from first dma page */ 2006 if (unlikely(!mbox->sge_array)) 2007 return LPFC_MBOX_OPCODE_NA; 2008 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 2009 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2010 } 2011 2012 /** 2013 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd 2014 * @phba: pointer to lpfc hba data structure. 2015 * @fcf_index: index to fcf table. 2016 * 2017 * This routine routine allocates and constructs non-embedded mailbox command 2018 * for reading a FCF table entry referred by @fcf_index. 2019 * 2020 * Return: pointer to the mailbox command constructed if successful, otherwise 2021 * NULL. 2022 **/ 2023 int 2024 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, 2025 struct lpfcMboxq *mboxq, 2026 uint16_t fcf_index) 2027 { 2028 void *virt_addr; 2029 uint8_t *bytep; 2030 struct lpfc_mbx_sge sge; 2031 uint32_t alloc_len, req_len; 2032 struct lpfc_mbx_read_fcf_tbl *read_fcf; 2033 2034 if (!mboxq) 2035 return -ENOMEM; 2036 2037 req_len = sizeof(struct fcf_record) + 2038 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); 2039 2040 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ 2041 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, 2042 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, 2043 LPFC_SLI4_MBX_NEMBED); 2044 2045 if (alloc_len < req_len) { 2046 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2047 "0291 Allocated DMA memory size (x%x) is " 2048 "less than the requested DMA memory " 2049 "size (x%x)\n", alloc_len, req_len); 2050 return -ENOMEM; 2051 } 2052 2053 /* Get the first SGE entry from the non-embedded DMA memory. This 2054 * routine only uses a single SGE. 2055 */ 2056 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); 2057 virt_addr = mboxq->sge_array->addr[0]; 2058 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; 2059 2060 /* Set up command fields */ 2061 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); 2062 /* Perform necessary endian conversion */ 2063 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); 2064 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); 2065 2066 return 0; 2067 } 2068 2069 /** 2070 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox 2071 * @mboxq: pointer to lpfc mbox command. 2072 * 2073 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES 2074 * mailbox command. 2075 **/ 2076 void 2077 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) 2078 { 2079 /* Set up SLI4 mailbox command header fields */ 2080 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 2081 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); 2082 2083 /* Set up host requested features. */ 2084 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); 2085 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); 2086 2087 /* Enable DIF (block guard) only if configured to do so. */ 2088 if (phba->cfg_enable_bg) 2089 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); 2090 2091 /* Enable NPIV only if configured to do so. */ 2092 if (phba->max_vpi && phba->cfg_enable_npiv) 2093 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); 2094 2095 if (phba->nvmet_support) { 2096 bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1); 2097 /* iaab/iaar NOT set for now */ 2098 bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0); 2099 bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0); 2100 } 2101 return; 2102 } 2103 2104 /** 2105 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command 2106 * @mbox: pointer to lpfc mbox command to initialize. 2107 * @vport: Vport associated with the VF. 2108 * 2109 * This routine initializes @mbox to all zeros and then fills in the mailbox 2110 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI 2111 * in the context of an FCF. The driver issues this command to setup a VFI 2112 * before issuing a FLOGI to login to the VSAN. The driver should also issue a 2113 * REG_VFI after a successful VSAN login. 2114 **/ 2115 void 2116 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2117 { 2118 struct lpfc_mbx_init_vfi *init_vfi; 2119 2120 memset(mbox, 0, sizeof(*mbox)); 2121 mbox->vport = vport; 2122 init_vfi = &mbox->u.mqe.un.init_vfi; 2123 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); 2124 bf_set(lpfc_init_vfi_vr, init_vfi, 1); 2125 bf_set(lpfc_init_vfi_vt, init_vfi, 1); 2126 bf_set(lpfc_init_vfi_vp, init_vfi, 1); 2127 bf_set(lpfc_init_vfi_vfi, init_vfi, 2128 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2129 bf_set(lpfc_init_vfi_vpi, init_vfi, 2130 vport->phba->vpi_ids[vport->vpi]); 2131 bf_set(lpfc_init_vfi_fcfi, init_vfi, 2132 vport->phba->fcf.fcfi); 2133 } 2134 2135 /** 2136 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command 2137 * @mbox: pointer to lpfc mbox command to initialize. 2138 * @vport: vport associated with the VF. 2139 * @phys: BDE DMA bus address used to send the service parameters to the HBA. 2140 * 2141 * This routine initializes @mbox to all zeros and then fills in the mailbox 2142 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's 2143 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual 2144 * fabrics identified by VFI in the context of an FCF. 2145 **/ 2146 void 2147 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) 2148 { 2149 struct lpfc_mbx_reg_vfi *reg_vfi; 2150 struct lpfc_hba *phba = vport->phba; 2151 uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; 2152 2153 memset(mbox, 0, sizeof(*mbox)); 2154 reg_vfi = &mbox->u.mqe.un.reg_vfi; 2155 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); 2156 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); 2157 bf_set(lpfc_reg_vfi_vfi, reg_vfi, 2158 phba->sli4_hba.vfi_ids[vport->vfi]); 2159 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); 2160 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); 2161 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); 2162 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); 2163 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); 2164 reg_vfi->e_d_tov = phba->fc_edtov; 2165 reg_vfi->r_a_tov = phba->fc_ratov; 2166 if (phys) { 2167 reg_vfi->bde.addrHigh = putPaddrHigh(phys); 2168 reg_vfi->bde.addrLow = putPaddrLow(phys); 2169 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); 2170 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2171 } 2172 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); 2173 2174 /* Only FC supports upd bit */ 2175 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && 2176 (vport->fc_flag & FC_VFI_REGISTERED) && 2177 (!phba->fc_topology_changed)) 2178 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); 2179 2180 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); 2181 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); 2182 bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; 2183 2184 if (phba->bbcredit_support && phba->cfg_enable_bbcr && 2185 bbscn_fabric != 0) { 2186 bbscn_max = bf_get(lpfc_bbscn_max, 2187 &phba->sli4_hba.bbscn_params); 2188 if (bbscn_fabric <= bbscn_max) { 2189 bbscn_def = bf_get(lpfc_bbscn_def, 2190 &phba->sli4_hba.bbscn_params); 2191 2192 if (bbscn_fabric > bbscn_def) 2193 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 2194 bbscn_fabric); 2195 else 2196 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); 2197 2198 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); 2199 } 2200 } 2201 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, 2202 "3134 Register VFI, mydid:x%x, fcfi:%d, " 2203 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" 2204 " port_state:x%x topology chg:%d bbscn_fabric :%d\n", 2205 vport->fc_myDID, 2206 phba->fcf.fcfi, 2207 phba->sli4_hba.vfi_ids[vport->vfi], 2208 phba->vpi_ids[vport->vpi], 2209 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, 2210 vport->port_state, phba->fc_topology_changed, 2211 bbscn_fabric); 2212 } 2213 2214 /** 2215 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command 2216 * @phba: pointer to the hba structure to init the VPI for. 2217 * @mbox: pointer to lpfc mbox command to initialize. 2218 * @vpi: VPI to be initialized. 2219 * 2220 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the 2221 * command to activate a virtual N_Port. The HBA assigns a MAC address to use 2222 * with the virtual N Port. The SLI Host issues this command before issuing a 2223 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a 2224 * successful virtual NPort login. 2225 **/ 2226 void 2227 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) 2228 { 2229 memset(mbox, 0, sizeof(*mbox)); 2230 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); 2231 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, 2232 phba->vpi_ids[vpi]); 2233 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, 2234 phba->sli4_hba.vfi_ids[phba->pport->vfi]); 2235 } 2236 2237 /** 2238 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command 2239 * @mbox: pointer to lpfc mbox command to initialize. 2240 * @vport: vport associated with the VF. 2241 * 2242 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric 2243 * (logical NPort) into the inactive state. The SLI Host must have logged out 2244 * and unregistered all remote N_Ports to abort any activity on the virtual 2245 * fabric. The SLI Port posts the mailbox response after marking the virtual 2246 * fabric inactive. 2247 **/ 2248 void 2249 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2250 { 2251 memset(mbox, 0, sizeof(*mbox)); 2252 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); 2253 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, 2254 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2255 } 2256 2257 /** 2258 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 2259 * @phba: pointer to the hba structure containing. 2260 * @mbox: pointer to lpfc mbox command to initialize. 2261 * 2262 * This function create a SLI4 dump mailbox command to dump configure 2263 * region 23. 2264 **/ 2265 int 2266 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2267 { 2268 struct lpfc_dmabuf *mp = NULL; 2269 MAILBOX_t *mb; 2270 2271 memset(mbox, 0, sizeof(*mbox)); 2272 mb = &mbox->u.mb; 2273 2274 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2275 if (mp) 2276 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2277 2278 if (!mp || !mp->virt) { 2279 kfree(mp); 2280 /* dump config region 23 failed to allocate memory */ 2281 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2282 "2569 lpfc dump config region 23: memory" 2283 " allocation failed\n"); 2284 return 1; 2285 } 2286 2287 memset(mp->virt, 0, LPFC_BPL_SIZE); 2288 INIT_LIST_HEAD(&mp->list); 2289 2290 /* save address for completion */ 2291 mbox->context1 = (uint8_t *) mp; 2292 2293 mb->mbxCommand = MBX_DUMP_MEMORY; 2294 mb->un.varDmp.type = DMP_NV_PARAMS; 2295 mb->un.varDmp.region_id = DMP_REGION_23; 2296 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; 2297 mb->un.varWords[3] = putPaddrLow(mp->phys); 2298 mb->un.varWords[4] = putPaddrHigh(mp->phys); 2299 return 0; 2300 } 2301 2302 static void 2303 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2304 { 2305 MAILBOX_t *mb; 2306 int rc = FAILURE; 2307 struct lpfc_rdp_context *rdp_context = 2308 (struct lpfc_rdp_context *)(mboxq->context2); 2309 2310 mb = &mboxq->u.mb; 2311 if (mb->mbxStatus) 2312 goto mbx_failed; 2313 2314 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); 2315 2316 rc = SUCCESS; 2317 2318 mbx_failed: 2319 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2320 rdp_context->cmpl(phba, rdp_context, rc); 2321 } 2322 2323 static void 2324 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2325 { 2326 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) mbox->context1; 2327 struct lpfc_rdp_context *rdp_context = 2328 (struct lpfc_rdp_context *)(mbox->context2); 2329 2330 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2331 goto error_mbuf_free; 2332 2333 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, 2334 DMP_SFF_PAGE_A2_SIZE); 2335 2336 /* We don't need dma buffer for link stat. */ 2337 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2338 kfree(mp); 2339 2340 memset(mbox, 0, sizeof(*mbox)); 2341 lpfc_read_lnk_stat(phba, mbox); 2342 mbox->vport = rdp_context->ndlp->vport; 2343 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; 2344 mbox->context2 = (struct lpfc_rdp_context *) rdp_context; 2345 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) 2346 goto error_cmd_free; 2347 2348 return; 2349 2350 error_mbuf_free: 2351 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2352 kfree(mp); 2353 error_cmd_free: 2354 lpfc_sli4_mbox_cmd_free(phba, mbox); 2355 rdp_context->cmpl(phba, rdp_context, FAILURE); 2356 } 2357 2358 void 2359 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2360 { 2361 int rc; 2362 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (mbox->context1); 2363 struct lpfc_rdp_context *rdp_context = 2364 (struct lpfc_rdp_context *)(mbox->context2); 2365 2366 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2367 goto error; 2368 2369 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, 2370 DMP_SFF_PAGE_A0_SIZE); 2371 2372 memset(mbox, 0, sizeof(*mbox)); 2373 2374 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); 2375 INIT_LIST_HEAD(&mp->list); 2376 2377 /* save address for completion */ 2378 mbox->context1 = mp; 2379 mbox->vport = rdp_context->ndlp->vport; 2380 2381 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2382 bf_set(lpfc_mbx_memory_dump_type3_type, 2383 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2384 bf_set(lpfc_mbx_memory_dump_type3_link, 2385 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2386 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2387 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); 2388 bf_set(lpfc_mbx_memory_dump_type3_length, 2389 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); 2390 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2391 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2392 2393 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; 2394 mbox->context2 = (struct lpfc_rdp_context *) rdp_context; 2395 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 2396 if (rc == MBX_NOT_FINISHED) 2397 goto error; 2398 2399 return; 2400 2401 error: 2402 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2403 kfree(mp); 2404 lpfc_sli4_mbox_cmd_free(phba, mbox); 2405 rdp_context->cmpl(phba, rdp_context, FAILURE); 2406 } 2407 2408 2409 /* 2410 * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic. 2411 * @phba: pointer to the hba structure containing. 2412 * @mbox: pointer to lpfc mbox command to initialize. 2413 * 2414 * This function create a SLI4 dump mailbox command to dump configure 2415 * type 3 page 0xA0. 2416 */ 2417 int 2418 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2419 { 2420 struct lpfc_dmabuf *mp = NULL; 2421 2422 memset(mbox, 0, sizeof(*mbox)); 2423 2424 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2425 if (mp) 2426 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2427 if (!mp || !mp->virt) { 2428 kfree(mp); 2429 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2430 "3569 dump type 3 page 0xA0 allocation failed\n"); 2431 return 1; 2432 } 2433 2434 memset(mp->virt, 0, LPFC_BPL_SIZE); 2435 INIT_LIST_HEAD(&mp->list); 2436 2437 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2438 /* save address for completion */ 2439 mbox->context1 = mp; 2440 2441 bf_set(lpfc_mbx_memory_dump_type3_type, 2442 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2443 bf_set(lpfc_mbx_memory_dump_type3_link, 2444 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2445 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2446 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); 2447 bf_set(lpfc_mbx_memory_dump_type3_length, 2448 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); 2449 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2450 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2451 2452 return 0; 2453 } 2454 2455 /** 2456 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command 2457 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2458 * @mbox: pointer to lpfc mbox command to initialize. 2459 * 2460 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The 2461 * SLI Host uses the command to activate an FCF after it has acquired FCF 2462 * information via a READ_FCF mailbox command. This mailbox command also is used 2463 * to indicate where received unsolicited frames from this FCF will be sent. By 2464 * default this routine will set up the FCF to forward all unsolicited frames 2465 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2466 * more complicated setups. 2467 **/ 2468 void 2469 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2470 { 2471 struct lpfc_mbx_reg_fcfi *reg_fcfi; 2472 2473 memset(mbox, 0, sizeof(*mbox)); 2474 reg_fcfi = &mbox->u.mqe.un.reg_fcfi; 2475 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); 2476 if (phba->nvmet_support == 0) { 2477 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2478 phba->sli4_hba.hdr_rq->queue_id); 2479 /* Match everything - rq_id0 */ 2480 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0); 2481 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0); 2482 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0); 2483 bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0); 2484 2485 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); 2486 2487 /* addr mode is bit wise inverted value of fcf addr_mode */ 2488 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, 2489 (~phba->fcf.addr_mode) & 0x3); 2490 } else { 2491 /* This is ONLY for NVMET MRQ == 1 */ 2492 if (phba->cfg_nvmet_mrq != 1) 2493 return; 2494 2495 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2496 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2497 /* Match type FCP - rq_id0 */ 2498 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP); 2499 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff); 2500 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 2501 FC_RCTL_DD_UNSOL_CMD); 2502 2503 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, 2504 phba->sli4_hba.hdr_rq->queue_id); 2505 /* Match everything else - rq_id1 */ 2506 bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0); 2507 bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0); 2508 bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0); 2509 bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0); 2510 } 2511 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2512 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2513 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, 2514 phba->fcf.current_rec.fcf_indx); 2515 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2516 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); 2517 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, 2518 phba->fcf.current_rec.vlan_id); 2519 } 2520 } 2521 2522 /** 2523 * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command 2524 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2525 * @mbox: pointer to lpfc mbox command to initialize. 2526 * @mode: 0 to register FCFI, 1 to register MRQs 2527 * 2528 * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs). 2529 * The SLI Host uses the command to activate an FCF after it has acquired FCF 2530 * information via a READ_FCF mailbox command. This mailbox command also is used 2531 * to indicate where received unsolicited frames from this FCF will be sent. By 2532 * default this routine will set up the FCF to forward all unsolicited frames 2533 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2534 * more complicated setups. 2535 **/ 2536 void 2537 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode) 2538 { 2539 struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi; 2540 2541 /* This is ONLY for MRQ */ 2542 if (phba->cfg_nvmet_mrq <= 1) 2543 return; 2544 2545 memset(mbox, 0, sizeof(*mbox)); 2546 reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq; 2547 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ); 2548 if (mode == 0) { 2549 bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi, 2550 phba->fcf.current_rec.fcf_indx); 2551 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2552 bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1); 2553 bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi, 2554 phba->fcf.current_rec.vlan_id); 2555 } 2556 return; 2557 } 2558 2559 bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi, 2560 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2561 /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */ 2562 bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP); 2563 bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff); 2564 bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); 2565 bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff); 2566 bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1); 2567 bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1); 2568 2569 bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */ 2570 bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1); 2571 bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */ 2572 bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq); 2573 2574 bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi, 2575 phba->sli4_hba.hdr_rq->queue_id); 2576 /* Match everything - rq_id1 */ 2577 bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0); 2578 bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0); 2579 bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0); 2580 bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0); 2581 2582 bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2583 bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2584 } 2585 2586 /** 2587 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command 2588 * @mbox: pointer to lpfc mbox command to initialize. 2589 * @fcfi: FCFI to be unregistered. 2590 * 2591 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). 2592 * The SLI Host uses the command to inactivate an FCFI. 2593 **/ 2594 void 2595 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) 2596 { 2597 memset(mbox, 0, sizeof(*mbox)); 2598 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); 2599 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); 2600 } 2601 2602 /** 2603 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command 2604 * @mbox: pointer to lpfc mbox command to initialize. 2605 * @ndlp: The nodelist structure that describes the RPI to resume. 2606 * 2607 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a 2608 * link event. 2609 **/ 2610 void 2611 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) 2612 { 2613 struct lpfc_hba *phba = ndlp->phba; 2614 struct lpfc_mbx_resume_rpi *resume_rpi; 2615 2616 memset(mbox, 0, sizeof(*mbox)); 2617 resume_rpi = &mbox->u.mqe.un.resume_rpi; 2618 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); 2619 bf_set(lpfc_resume_rpi_index, resume_rpi, 2620 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2621 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); 2622 resume_rpi->event_tag = ndlp->phba->fc_eventTag; 2623 } 2624 2625 /** 2626 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages 2627 * mailbox command. 2628 * @mbox: pointer to lpfc mbox command to initialize. 2629 * 2630 * The PORT_CAPABILITIES supported pages mailbox command is issued to 2631 * retrieve the particular feature pages supported by the port. 2632 **/ 2633 void 2634 lpfc_supported_pages(struct lpfcMboxq *mbox) 2635 { 2636 struct lpfc_mbx_supp_pages *supp_pages; 2637 2638 memset(mbox, 0, sizeof(*mbox)); 2639 supp_pages = &mbox->u.mqe.un.supp_pages; 2640 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2641 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES); 2642 } 2643 2644 /** 2645 * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd. 2646 * @mbox: pointer to lpfc mbox command to initialize. 2647 * 2648 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to 2649 * retrieve the particular SLI4 features supported by the port. 2650 **/ 2651 void 2652 lpfc_pc_sli4_params(struct lpfcMboxq *mbox) 2653 { 2654 struct lpfc_mbx_pc_sli4_params *sli4_params; 2655 2656 memset(mbox, 0, sizeof(*mbox)); 2657 sli4_params = &mbox->u.mqe.un.sli4_params; 2658 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); 2659 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS); 2660 } 2661