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