1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6 * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10 * * 11 * This program is free software; you can redistribute it and/or * 12 * modify it under the terms of version 2 of the GNU General * 13 * Public License as published by the Free Software Foundation. * 14 * This program is distributed in the hope that it will be useful. * 15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19 * TO BE LEGALLY INVALID. See the GNU General Public License for * 20 * more details, a copy of which can be found in the file COPYING * 21 * included with this package. * 22 *******************************************************************/ 23 24 #include <linux/blkdev.h> 25 #include <linux/pci.h> 26 #include <linux/slab.h> 27 #include <linux/interrupt.h> 28 29 #include <scsi/scsi_device.h> 30 #include <scsi/scsi_transport_fc.h> 31 #include <scsi/scsi.h> 32 #include <scsi/fc/fc_fs.h> 33 34 #include "lpfc_hw4.h" 35 #include "lpfc_hw.h" 36 #include "lpfc_sli.h" 37 #include "lpfc_sli4.h" 38 #include "lpfc_nl.h" 39 #include "lpfc_disc.h" 40 #include "lpfc_scsi.h" 41 #include "lpfc.h" 42 #include "lpfc_logmsg.h" 43 #include "lpfc_crtn.h" 44 #include "lpfc_compat.h" 45 46 /** 47 * lpfc_dump_static_vport - Dump HBA's static vport information. 48 * @phba: pointer to lpfc hba data structure. 49 * @pmb: pointer to the driver internal queue element for mailbox command. 50 * @offset: offset for dumping vport info. 51 * 52 * The dump mailbox command provides a method for the device driver to obtain 53 * various types of information from the HBA device. 54 * 55 * This routine prepares the mailbox command for dumping list of static 56 * vports to be created. 57 **/ 58 int 59 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 60 uint16_t offset) 61 { 62 MAILBOX_t *mb; 63 struct lpfc_dmabuf *mp; 64 65 mb = &pmb->u.mb; 66 67 /* Setup to dump vport info region */ 68 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 69 mb->mbxCommand = MBX_DUMP_MEMORY; 70 mb->un.varDmp.type = DMP_NV_PARAMS; 71 mb->un.varDmp.entry_index = offset; 72 mb->un.varDmp.region_id = DMP_REGION_VPORT; 73 mb->mbxOwner = OWN_HOST; 74 75 /* For SLI3 HBAs data is embedded in mailbox */ 76 if (phba->sli_rev != LPFC_SLI_REV4) { 77 mb->un.varDmp.cv = 1; 78 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t); 79 return 0; 80 } 81 82 /* For SLI4 HBAs driver need to allocate memory */ 83 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 84 if (mp) 85 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 86 87 if (!mp || !mp->virt) { 88 kfree(mp); 89 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 90 "2605 lpfc_dump_static_vport: memory" 91 " allocation failed\n"); 92 return 1; 93 } 94 memset(mp->virt, 0, LPFC_BPL_SIZE); 95 INIT_LIST_HEAD(&mp->list); 96 /* save address for completion */ 97 pmb->ctx_buf = (uint8_t *)mp; 98 mb->un.varWords[3] = putPaddrLow(mp->phys); 99 mb->un.varWords[4] = putPaddrHigh(mp->phys); 100 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info); 101 102 return 0; 103 } 104 105 /** 106 * lpfc_down_link - Bring down HBAs link. 107 * @phba: pointer to lpfc hba data structure. 108 * @pmb: pointer to the driver internal queue element for mailbox command. 109 * 110 * This routine prepares a mailbox command to bring down HBA link. 111 **/ 112 void 113 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 114 { 115 MAILBOX_t *mb; 116 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 117 mb = &pmb->u.mb; 118 mb->mbxCommand = MBX_DOWN_LINK; 119 mb->mbxOwner = OWN_HOST; 120 } 121 122 /** 123 * lpfc_dump_mem - Prepare a mailbox command for reading a region. 124 * @phba: pointer to lpfc hba data structure. 125 * @pmb: pointer to the driver internal queue element for mailbox command. 126 * @offset: offset into the region. 127 * @region_id: config region id. 128 * 129 * The dump mailbox command provides a method for the device driver to obtain 130 * various types of information from the HBA device. 131 * 132 * This routine prepares the mailbox command for dumping HBA's config region. 133 **/ 134 void 135 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset, 136 uint16_t region_id) 137 { 138 MAILBOX_t *mb; 139 void *ctx; 140 141 mb = &pmb->u.mb; 142 ctx = pmb->ctx_buf; 143 144 /* Setup to dump VPD region */ 145 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 146 mb->mbxCommand = MBX_DUMP_MEMORY; 147 mb->un.varDmp.cv = 1; 148 mb->un.varDmp.type = DMP_NV_PARAMS; 149 mb->un.varDmp.entry_index = offset; 150 mb->un.varDmp.region_id = region_id; 151 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); 152 mb->un.varDmp.co = 0; 153 mb->un.varDmp.resp_offset = 0; 154 pmb->ctx_buf = ctx; 155 mb->mbxOwner = OWN_HOST; 156 return; 157 } 158 159 /** 160 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params 161 * @phba: pointer to lpfc hba data structure. 162 * @pmb: pointer to the driver internal queue element for mailbox command. 163 * 164 * This function create a dump memory mailbox command to dump wake up 165 * parameters. 166 */ 167 void 168 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 169 { 170 MAILBOX_t *mb; 171 void *ctx; 172 173 mb = &pmb->u.mb; 174 /* Save context so that we can restore after memset */ 175 ctx = pmb->ctx_buf; 176 177 /* Setup to dump VPD region */ 178 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 179 mb->mbxCommand = MBX_DUMP_MEMORY; 180 mb->mbxOwner = OWN_HOST; 181 mb->un.varDmp.cv = 1; 182 mb->un.varDmp.type = DMP_NV_PARAMS; 183 if (phba->sli_rev < LPFC_SLI_REV4) 184 mb->un.varDmp.entry_index = 0; 185 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; 186 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; 187 mb->un.varDmp.co = 0; 188 mb->un.varDmp.resp_offset = 0; 189 pmb->ctx_buf = ctx; 190 return; 191 } 192 193 /** 194 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param 195 * @phba: pointer to lpfc hba data structure. 196 * @pmb: pointer to the driver internal queue element for mailbox command. 197 * 198 * The read NVRAM mailbox command returns the HBA's non-volatile parameters 199 * that are used as defaults when the Fibre Channel link is brought on-line. 200 * 201 * This routine prepares the mailbox command for reading information stored 202 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. 203 **/ 204 void 205 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 206 { 207 MAILBOX_t *mb; 208 209 mb = &pmb->u.mb; 210 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 211 mb->mbxCommand = MBX_READ_NV; 212 mb->mbxOwner = OWN_HOST; 213 return; 214 } 215 216 /** 217 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event 218 * @phba: pointer to lpfc hba data structure. 219 * @pmb: pointer to the driver internal queue element for mailbox command. 220 * @ring: ring number for the asynchronous event to be configured. 221 * 222 * The asynchronous event enable mailbox command is used to enable the 223 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and 224 * specifies the default ring to which events are posted. 225 * 226 * This routine prepares the mailbox command for enabling HBA asynchronous 227 * event support on a IOCB ring. 228 **/ 229 void 230 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, 231 uint32_t ring) 232 { 233 MAILBOX_t *mb; 234 235 mb = &pmb->u.mb; 236 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 237 mb->mbxCommand = MBX_ASYNCEVT_ENABLE; 238 mb->un.varCfgAsyncEvent.ring = ring; 239 mb->mbxOwner = OWN_HOST; 240 return; 241 } 242 243 /** 244 * lpfc_heart_beat - Prepare a mailbox command for heart beat 245 * @phba: pointer to lpfc hba data structure. 246 * @pmb: pointer to the driver internal queue element for mailbox command. 247 * 248 * The heart beat mailbox command is used to detect an unresponsive HBA, which 249 * is defined as any device where no error attention is sent and both mailbox 250 * and rings are not processed. 251 * 252 * This routine prepares the mailbox command for issuing a heart beat in the 253 * form of mailbox command to the HBA. The timely completion of the heart 254 * beat mailbox command indicates the health of the HBA. 255 **/ 256 void 257 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 258 { 259 MAILBOX_t *mb; 260 261 mb = &pmb->u.mb; 262 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 263 mb->mbxCommand = MBX_HEARTBEAT; 264 mb->mbxOwner = OWN_HOST; 265 return; 266 } 267 268 /** 269 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology 270 * @phba: pointer to lpfc hba data structure. 271 * @pmb: pointer to the driver internal queue element for mailbox command. 272 * @mp: DMA buffer memory for reading the link attention information into. 273 * 274 * The read topology mailbox command is issued to read the link topology 275 * information indicated by the HBA port when the Link Event bit of the Host 276 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link 277 * Attention ACQE is received from the port (For SLI-4). A Link Event 278 * Attention occurs based on an exception detected at the Fibre Channel link 279 * interface. 280 * 281 * This routine prepares the mailbox command for reading HBA link topology 282 * information. A DMA memory has been set aside and address passed to the 283 * HBA through @mp for the HBA to DMA link attention information into the 284 * memory as part of the execution of the mailbox command. 285 * 286 * Return codes 287 * 0 - Success (currently always return 0) 288 **/ 289 int 290 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 291 struct lpfc_dmabuf *mp) 292 { 293 MAILBOX_t *mb; 294 295 mb = &pmb->u.mb; 296 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 297 298 INIT_LIST_HEAD(&mp->list); 299 mb->mbxCommand = MBX_READ_TOPOLOGY; 300 mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE; 301 mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys); 302 mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys); 303 304 /* Save address for later completion and set the owner to host so that 305 * the FW knows this mailbox is available for processing. 306 */ 307 pmb->ctx_buf = (uint8_t *)mp; 308 mb->mbxOwner = OWN_HOST; 309 return (0); 310 } 311 312 /** 313 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention 314 * @phba: pointer to lpfc hba data structure. 315 * @pmb: pointer to the driver internal queue element for mailbox command. 316 * 317 * The clear link attention mailbox command is issued to clear the link event 318 * attention condition indicated by the Link Event bit of the Host Attention 319 * (HSTATT) register. The link event attention condition is cleared only if 320 * the event tag specified matches that of the current link event counter. 321 * The current event tag is read using the read link attention event mailbox 322 * command. 323 * 324 * This routine prepares the mailbox command for clearing HBA link attention 325 * information. 326 **/ 327 void 328 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 329 { 330 MAILBOX_t *mb; 331 332 mb = &pmb->u.mb; 333 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 334 335 mb->un.varClearLA.eventTag = phba->fc_eventTag; 336 mb->mbxCommand = MBX_CLEAR_LA; 337 mb->mbxOwner = OWN_HOST; 338 return; 339 } 340 341 /** 342 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA 343 * @phba: pointer to lpfc hba data structure. 344 * @pmb: pointer to the driver internal queue element for mailbox command. 345 * 346 * The configure link mailbox command is used before the initialize link 347 * mailbox command to override default value and to configure link-oriented 348 * parameters such as DID address and various timers. Typically, this 349 * command would be used after an F_Port login to set the returned DID address 350 * and the fabric timeout values. This command is not valid before a configure 351 * port command has configured the HBA port. 352 * 353 * This routine prepares the mailbox command for configuring link on a HBA. 354 **/ 355 void 356 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 357 { 358 struct lpfc_vport *vport = phba->pport; 359 MAILBOX_t *mb = &pmb->u.mb; 360 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 361 362 /* NEW_FEATURE 363 * SLI-2, Coalescing Response Feature. 364 */ 365 if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) { 366 mb->un.varCfgLnk.cr = 1; 367 mb->un.varCfgLnk.ci = 1; 368 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; 369 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; 370 } 371 372 mb->un.varCfgLnk.myId = vport->fc_myDID; 373 mb->un.varCfgLnk.edtov = phba->fc_edtov; 374 mb->un.varCfgLnk.arbtov = phba->fc_arbtov; 375 mb->un.varCfgLnk.ratov = phba->fc_ratov; 376 mb->un.varCfgLnk.rttov = phba->fc_rttov; 377 mb->un.varCfgLnk.altov = phba->fc_altov; 378 mb->un.varCfgLnk.crtov = phba->fc_crtov; 379 mb->un.varCfgLnk.cscn = 0; 380 if (phba->bbcredit_support && phba->cfg_enable_bbcr) { 381 mb->un.varCfgLnk.cscn = 1; 382 mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def, 383 &phba->sli4_hba.bbscn_params); 384 } 385 386 if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) 387 mb->un.varCfgLnk.ack0_enable = 1; 388 389 mb->mbxCommand = MBX_CONFIG_LINK; 390 mb->mbxOwner = OWN_HOST; 391 return; 392 } 393 394 /** 395 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x 396 * @phba: pointer to lpfc hba data structure. 397 * @pmb: pointer to the driver internal queue element for mailbox command. 398 * 399 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 400 * MSI-X multi-message interrupt vector association to interrupt attention 401 * conditions. 402 * 403 * Return codes 404 * 0 - Success 405 * -EINVAL - Failure 406 **/ 407 int 408 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 409 { 410 MAILBOX_t *mb = &pmb->u.mb; 411 uint32_t attentionConditions[2]; 412 413 /* Sanity check */ 414 if (phba->cfg_use_msi != 2) { 415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 416 "0475 Not configured for supporting MSI-X " 417 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); 418 return -EINVAL; 419 } 420 421 if (phba->sli_rev < 3) { 422 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 423 "0476 HBA not supporting SLI-3 or later " 424 "SLI Revision: 0x%x\n", phba->sli_rev); 425 return -EINVAL; 426 } 427 428 /* Clear mailbox command fields */ 429 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 430 431 /* 432 * SLI-3, Message Signaled Interrupt Fearure. 433 */ 434 435 /* Multi-message attention configuration */ 436 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | 437 HA_LATT | HA_MBATT); 438 attentionConditions[1] = 0; 439 440 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; 441 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; 442 443 /* 444 * Set up message number to HA bit association 445 */ 446 #ifdef __BIG_ENDIAN_BITFIELD 447 /* RA0 (FCP Ring) */ 448 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; 449 /* RA1 (Other Protocol Extra Ring) */ 450 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; 451 #else /* __LITTLE_ENDIAN_BITFIELD */ 452 /* RA0 (FCP Ring) */ 453 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; 454 /* RA1 (Other Protocol Extra Ring) */ 455 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; 456 #endif 457 /* Multi-message interrupt autoclear configuration*/ 458 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; 459 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; 460 461 /* For now, HBA autoclear does not work reliably, disable it */ 462 mb->un.varCfgMSI.autoClearHA[0] = 0; 463 mb->un.varCfgMSI.autoClearHA[1] = 0; 464 465 /* Set command and owner bit */ 466 mb->mbxCommand = MBX_CONFIG_MSI; 467 mb->mbxOwner = OWN_HOST; 468 469 return 0; 470 } 471 472 /** 473 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA 474 * @phba: pointer to lpfc hba data structure. 475 * @pmb: pointer to the driver internal queue element for mailbox command. 476 * @topology: the link topology for the link to be initialized to. 477 * @linkspeed: the link speed for the link to be initialized to. 478 * 479 * The initialize link mailbox command is used to initialize the Fibre 480 * Channel link. This command must follow a configure port command that 481 * establishes the mode of operation. 482 * 483 * This routine prepares the mailbox command for initializing link on a HBA 484 * with the specified link topology and speed. 485 **/ 486 void 487 lpfc_init_link(struct lpfc_hba * phba, 488 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) 489 { 490 lpfc_vpd_t *vpd; 491 MAILBOX_t *mb; 492 493 mb = &pmb->u.mb; 494 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 495 496 switch (topology) { 497 case FLAGS_TOPOLOGY_MODE_LOOP_PT: 498 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 499 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 500 break; 501 case FLAGS_TOPOLOGY_MODE_PT_PT: 502 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 503 break; 504 case FLAGS_TOPOLOGY_MODE_LOOP: 505 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 506 break; 507 case FLAGS_TOPOLOGY_MODE_PT_LOOP: 508 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 509 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 510 break; 511 case FLAGS_LOCAL_LB: 512 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; 513 break; 514 } 515 516 /* Topology handling for ASIC_GEN_NUM 0xC and later */ 517 if ((phba->sli4_hba.pc_sli4_params.sli_family == LPFC_SLI_INTF_FAMILY_G6 || 518 phba->sli4_hba.pc_sli4_params.if_type == LPFC_SLI_INTF_IF_TYPE_6) && 519 !(phba->sli4_hba.pc_sli4_params.pls) && 520 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { 521 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 522 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; 523 } 524 525 /* Enable asynchronous ABTS responses from firmware */ 526 if (phba->sli_rev == LPFC_SLI_REV3 && !phba->cfg_fcp_wait_abts_rsp) 527 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 528 529 /* NEW_FEATURE 530 * Setting up the link speed 531 */ 532 vpd = &phba->vpd; 533 if (vpd->rev.feaLevelHigh >= 0x02){ 534 switch(linkspeed){ 535 case LPFC_USER_LINK_SPEED_1G: 536 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 537 mb->un.varInitLnk.link_speed = LINK_SPEED_1G; 538 break; 539 case LPFC_USER_LINK_SPEED_2G: 540 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 541 mb->un.varInitLnk.link_speed = LINK_SPEED_2G; 542 break; 543 case LPFC_USER_LINK_SPEED_4G: 544 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 545 mb->un.varInitLnk.link_speed = LINK_SPEED_4G; 546 break; 547 case LPFC_USER_LINK_SPEED_8G: 548 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 549 mb->un.varInitLnk.link_speed = LINK_SPEED_8G; 550 break; 551 case LPFC_USER_LINK_SPEED_10G: 552 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 553 mb->un.varInitLnk.link_speed = LINK_SPEED_10G; 554 break; 555 case LPFC_USER_LINK_SPEED_16G: 556 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 557 mb->un.varInitLnk.link_speed = LINK_SPEED_16G; 558 break; 559 case LPFC_USER_LINK_SPEED_32G: 560 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 561 mb->un.varInitLnk.link_speed = LINK_SPEED_32G; 562 break; 563 case LPFC_USER_LINK_SPEED_64G: 564 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 565 mb->un.varInitLnk.link_speed = LINK_SPEED_64G; 566 break; 567 case LPFC_USER_LINK_SPEED_AUTO: 568 default: 569 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 570 break; 571 } 572 573 } 574 else 575 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 576 577 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 578 mb->mbxOwner = OWN_HOST; 579 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 580 return; 581 } 582 583 /** 584 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters 585 * @phba: pointer to lpfc hba data structure. 586 * @pmb: pointer to the driver internal queue element for mailbox command. 587 * @vpi: virtual N_Port identifier. 588 * 589 * The read service parameter mailbox command is used to read the HBA port 590 * service parameters. The service parameters are read into the buffer 591 * specified directly by a BDE in the mailbox command. These service 592 * parameters may then be used to build the payload of an N_Port/F_POrt 593 * login request and reply (LOGI/ACC). 594 * 595 * This routine prepares the mailbox command for reading HBA port service 596 * parameters. The DMA memory is allocated in this function and the addresses 597 * are populated into the mailbox command for the HBA to DMA the service 598 * parameters into. 599 * 600 * Return codes 601 * 0 - Success 602 * 1 - DMA memory allocation failed 603 **/ 604 int 605 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 606 { 607 struct lpfc_dmabuf *mp; 608 MAILBOX_t *mb; 609 610 mb = &pmb->u.mb; 611 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 612 613 mb->mbxOwner = OWN_HOST; 614 615 /* Get a buffer to hold the HBAs Service Parameters */ 616 617 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 618 if (mp) 619 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 620 if (!mp || !mp->virt) { 621 kfree(mp); 622 mb->mbxCommand = MBX_READ_SPARM64; 623 /* READ_SPARAM: no buffers */ 624 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 625 "0301 READ_SPARAM: no buffers\n"); 626 return (1); 627 } 628 INIT_LIST_HEAD(&mp->list); 629 mb->mbxCommand = MBX_READ_SPARM64; 630 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 631 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 632 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 633 if (phba->sli_rev >= LPFC_SLI_REV3) 634 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; 635 636 /* save address for completion */ 637 pmb->ctx_buf = mp; 638 639 return (0); 640 } 641 642 /** 643 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID 644 * @phba: pointer to lpfc hba data structure. 645 * @vpi: virtual N_Port identifier. 646 * @did: remote port identifier. 647 * @pmb: pointer to the driver internal queue element for mailbox command. 648 * 649 * The unregister DID mailbox command is used to unregister an N_Port/F_Port 650 * login for an unknown RPI by specifying the DID of a remote port. This 651 * command frees an RPI context in the HBA port. This has the effect of 652 * performing an implicit N_Port/F_Port logout. 653 * 654 * This routine prepares the mailbox command for unregistering a remote 655 * N_Port/F_Port (DID) login. 656 **/ 657 void 658 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 659 LPFC_MBOXQ_t * pmb) 660 { 661 MAILBOX_t *mb; 662 663 mb = &pmb->u.mb; 664 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 665 666 mb->un.varUnregDID.did = did; 667 mb->un.varUnregDID.vpi = vpi; 668 if ((vpi != 0xffff) && 669 (phba->sli_rev == LPFC_SLI_REV4)) 670 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; 671 672 mb->mbxCommand = MBX_UNREG_D_ID; 673 mb->mbxOwner = OWN_HOST; 674 return; 675 } 676 677 /** 678 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration 679 * @phba: pointer to lpfc hba data structure. 680 * @pmb: pointer to the driver internal queue element for mailbox command. 681 * 682 * The read configuration mailbox command is used to read the HBA port 683 * configuration parameters. This mailbox command provides a method for 684 * seeing any parameters that may have changed via various configuration 685 * mailbox commands. 686 * 687 * This routine prepares the mailbox command for reading out HBA configuration 688 * parameters. 689 **/ 690 void 691 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 692 { 693 MAILBOX_t *mb; 694 695 mb = &pmb->u.mb; 696 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 697 698 mb->mbxCommand = MBX_READ_CONFIG; 699 mb->mbxOwner = OWN_HOST; 700 return; 701 } 702 703 /** 704 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats 705 * @phba: pointer to lpfc hba data structure. 706 * @pmb: pointer to the driver internal queue element for mailbox command. 707 * 708 * The read link status mailbox command is used to read the link status from 709 * the HBA. Link status includes all link-related error counters. These 710 * counters are maintained by the HBA and originated in the link hardware 711 * unit. Note that all of these counters wrap. 712 * 713 * This routine prepares the mailbox command for reading out HBA link status. 714 **/ 715 void 716 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 717 { 718 MAILBOX_t *mb; 719 720 mb = &pmb->u.mb; 721 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 722 723 mb->mbxCommand = MBX_READ_LNK_STAT; 724 mb->mbxOwner = OWN_HOST; 725 return; 726 } 727 728 /** 729 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login 730 * @phba: pointer to lpfc hba data structure. 731 * @vpi: virtual N_Port identifier. 732 * @did: remote port identifier. 733 * @param: pointer to memory holding the server parameters. 734 * @pmb: pointer to the driver internal queue element for mailbox command. 735 * @rpi: the rpi to use in the registration (usually only used for SLI4. 736 * 737 * The registration login mailbox command is used to register an N_Port or 738 * F_Port login. This registration allows the HBA to cache the remote N_Port 739 * service parameters internally and thereby make the appropriate FC-2 740 * decisions. The remote port service parameters are handed off by the driver 741 * to the HBA using a descriptor entry that directly identifies a buffer in 742 * host memory. In exchange, the HBA returns an RPI identifier. 743 * 744 * This routine prepares the mailbox command for registering remote port login. 745 * The function allocates DMA buffer for passing the service parameters to the 746 * HBA with the mailbox command. 747 * 748 * Return codes 749 * 0 - Success 750 * 1 - DMA memory allocation failed 751 **/ 752 int 753 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 754 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) 755 { 756 MAILBOX_t *mb = &pmb->u.mb; 757 uint8_t *sparam; 758 struct lpfc_dmabuf *mp; 759 760 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 761 762 mb->un.varRegLogin.rpi = 0; 763 if (phba->sli_rev == LPFC_SLI_REV4) 764 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; 765 if (phba->sli_rev >= LPFC_SLI_REV3) 766 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; 767 mb->un.varRegLogin.did = did; 768 mb->mbxOwner = OWN_HOST; 769 /* Get a buffer to hold NPorts Service Parameters */ 770 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 771 if (mp) 772 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 773 if (!mp || !mp->virt) { 774 kfree(mp); 775 mb->mbxCommand = MBX_REG_LOGIN64; 776 /* REG_LOGIN: no buffers */ 777 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 778 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 779 "rpi x%x\n", vpi, did, rpi); 780 return 1; 781 } 782 INIT_LIST_HEAD(&mp->list); 783 sparam = mp->virt; 784 785 /* Copy param's into a new buffer */ 786 memcpy(sparam, param, sizeof (struct serv_parm)); 787 788 /* save address for completion */ 789 pmb->ctx_buf = (uint8_t *)mp; 790 791 mb->mbxCommand = MBX_REG_LOGIN64; 792 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 793 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 794 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 795 796 return 0; 797 } 798 799 /** 800 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login 801 * @phba: pointer to lpfc hba data structure. 802 * @vpi: virtual N_Port identifier. 803 * @rpi: remote port identifier 804 * @pmb: pointer to the driver internal queue element for mailbox command. 805 * 806 * The unregistration login mailbox command is used to unregister an N_Port 807 * or F_Port login. This command frees an RPI context in the HBA. It has the 808 * effect of performing an implicit N_Port/F_Port logout. 809 * 810 * This routine prepares the mailbox command for unregistering remote port 811 * login. 812 * 813 * For SLI4 ports, the rpi passed to this function must be the physical 814 * rpi value, not the logical index. 815 **/ 816 void 817 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 818 LPFC_MBOXQ_t * pmb) 819 { 820 MAILBOX_t *mb; 821 822 mb = &pmb->u.mb; 823 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 824 825 mb->un.varUnregLogin.rpi = rpi; 826 mb->un.varUnregLogin.rsvd1 = 0; 827 if (phba->sli_rev >= LPFC_SLI_REV3) 828 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; 829 830 mb->mbxCommand = MBX_UNREG_LOGIN; 831 mb->mbxOwner = OWN_HOST; 832 833 return; 834 } 835 836 /** 837 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. 838 * @vport: pointer to a vport object. 839 * 840 * This routine sends mailbox command to unregister all active RPIs for 841 * a vport. 842 **/ 843 void 844 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) 845 { 846 struct lpfc_hba *phba = vport->phba; 847 LPFC_MBOXQ_t *mbox; 848 int rc; 849 850 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 851 if (mbox) { 852 /* 853 * For SLI4 functions, the rpi field is overloaded for 854 * the vport context unreg all. This routine passes 855 * 0 for the rpi field in lpfc_unreg_login for compatibility 856 * with SLI3 and then overrides the rpi field with the 857 * expected value for SLI4. 858 */ 859 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], 860 mbox); 861 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; 862 mbox->vport = vport; 863 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 864 mbox->ctx_ndlp = NULL; 865 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 866 if (rc == MBX_NOT_FINISHED) 867 mempool_free(mbox, phba->mbox_mem_pool); 868 } 869 } 870 871 /** 872 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier 873 * @vport: pointer to a vport object. 874 * @pmb: pointer to the driver internal queue element for mailbox command. 875 * 876 * The registration vport identifier mailbox command is used to activate a 877 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 878 * N_Port_ID against the information in the selected virtual N_Port context 879 * block and marks it active to allow normal processing of IOCB commands and 880 * received unsolicited exchanges. 881 * 882 * This routine prepares the mailbox command for registering a virtual N_Port. 883 **/ 884 void 885 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) 886 { 887 MAILBOX_t *mb = &pmb->u.mb; 888 struct lpfc_hba *phba = vport->phba; 889 890 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 891 /* 892 * Set the re-reg VPI bit for f/w to update the MAC address. 893 */ 894 if ((phba->sli_rev == LPFC_SLI_REV4) && 895 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) 896 mb->un.varRegVpi.upd = 1; 897 898 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; 899 mb->un.varRegVpi.sid = vport->fc_myDID; 900 if (phba->sli_rev == LPFC_SLI_REV4) 901 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; 902 else 903 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; 904 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, 905 sizeof(struct lpfc_name)); 906 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); 907 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); 908 909 mb->mbxCommand = MBX_REG_VPI; 910 mb->mbxOwner = OWN_HOST; 911 return; 912 913 } 914 915 /** 916 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id 917 * @phba: pointer to lpfc hba data structure. 918 * @vpi: virtual N_Port identifier. 919 * @pmb: pointer to the driver internal queue element for mailbox command. 920 * 921 * The unregistration vport identifier mailbox command is used to inactivate 922 * a virtual N_Port. The driver must have logged out and unregistered all 923 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 924 * unregisters any default RPIs associated with the specified vpi, aborting 925 * any active exchanges. The HBA will post the mailbox response after making 926 * the virtual N_Port inactive. 927 * 928 * This routine prepares the mailbox command for unregistering a virtual 929 * N_Port. 930 **/ 931 void 932 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 933 { 934 MAILBOX_t *mb = &pmb->u.mb; 935 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 936 937 if (phba->sli_rev == LPFC_SLI_REV3) 938 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; 939 else if (phba->sli_rev >= LPFC_SLI_REV4) 940 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; 941 942 mb->mbxCommand = MBX_UNREG_VPI; 943 mb->mbxOwner = OWN_HOST; 944 return; 945 946 } 947 948 /** 949 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) 950 * @phba: pointer to lpfc hba data structure. 951 * 952 * This routine sets up and initializes the IOCB rings in the Port Control 953 * Block (PCB). 954 **/ 955 static void 956 lpfc_config_pcb_setup(struct lpfc_hba * phba) 957 { 958 struct lpfc_sli *psli = &phba->sli; 959 struct lpfc_sli_ring *pring; 960 PCB_t *pcbp = phba->pcb; 961 dma_addr_t pdma_addr; 962 uint32_t offset; 963 uint32_t iocbCnt = 0; 964 int i; 965 966 pcbp->maxRing = (psli->num_rings - 1); 967 968 for (i = 0; i < psli->num_rings; i++) { 969 pring = &psli->sli3_ring[i]; 970 971 pring->sli.sli3.sizeCiocb = 972 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : 973 SLI2_IOCB_CMD_SIZE; 974 pring->sli.sli3.sizeRiocb = 975 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : 976 SLI2_IOCB_RSP_SIZE; 977 /* A ring MUST have both cmd and rsp entries defined to be 978 valid */ 979 if ((pring->sli.sli3.numCiocb == 0) || 980 (pring->sli.sli3.numRiocb == 0)) { 981 pcbp->rdsc[i].cmdEntries = 0; 982 pcbp->rdsc[i].rspEntries = 0; 983 pcbp->rdsc[i].cmdAddrHigh = 0; 984 pcbp->rdsc[i].rspAddrHigh = 0; 985 pcbp->rdsc[i].cmdAddrLow = 0; 986 pcbp->rdsc[i].rspAddrLow = 0; 987 pring->sli.sli3.cmdringaddr = NULL; 988 pring->sli.sli3.rspringaddr = NULL; 989 continue; 990 } 991 /* Command ring setup for ring */ 992 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 993 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; 994 995 offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 996 (uint8_t *) phba->slim2p.virt; 997 pdma_addr = phba->slim2p.phys + offset; 998 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 999 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 1000 iocbCnt += pring->sli.sli3.numCiocb; 1001 1002 /* Response ring setup for ring */ 1003 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 1004 1005 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; 1006 offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 1007 (uint8_t *)phba->slim2p.virt; 1008 pdma_addr = phba->slim2p.phys + offset; 1009 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 1010 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 1011 iocbCnt += pring->sli.sli3.numRiocb; 1012 } 1013 } 1014 1015 /** 1016 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision 1017 * @phba: pointer to lpfc hba data structure. 1018 * @pmb: pointer to the driver internal queue element for mailbox command. 1019 * 1020 * The read revision mailbox command is used to read the revision levels of 1021 * the HBA components. These components include hardware units, resident 1022 * firmware, and available firmware. HBAs that supports SLI-3 mode of 1023 * operation provide different response information depending on the version 1024 * requested by the driver. 1025 * 1026 * This routine prepares the mailbox command for reading HBA revision 1027 * information. 1028 **/ 1029 void 1030 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1031 { 1032 MAILBOX_t *mb = &pmb->u.mb; 1033 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1034 mb->un.varRdRev.cv = 1; 1035 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 1036 mb->mbxCommand = MBX_READ_REV; 1037 mb->mbxOwner = OWN_HOST; 1038 return; 1039 } 1040 1041 void 1042 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1043 { 1044 MAILBOX_t *mb = &pmb->u.mb; 1045 struct lpfc_mqe *mqe; 1046 1047 switch (mb->mbxCommand) { 1048 case MBX_READ_REV: 1049 mqe = &pmb->u.mqe; 1050 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, 1051 mqe->un.read_rev.fw_name, 16); 1052 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, 1053 mqe->un.read_rev.ulp_fw_name, 16); 1054 break; 1055 default: 1056 break; 1057 } 1058 return; 1059 } 1060 1061 /** 1062 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 1063 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1064 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1065 * 1066 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 1067 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 1068 * the Sequence Length Test using the fields in the Selection Profile 2 1069 * extension in words 20:31. 1070 **/ 1071 static void 1072 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 1073 struct lpfc_hbq_init *hbq_desc) 1074 { 1075 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 1076 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 1077 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 1078 } 1079 1080 /** 1081 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 1082 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1083 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1084 * 1085 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 1086 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 1087 * the Sequence Length Test and Byte Field Test using the fields in the 1088 * Selection Profile 3 extension in words 20:31. 1089 **/ 1090 static void 1091 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 1092 struct lpfc_hbq_init *hbq_desc) 1093 { 1094 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 1095 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 1096 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 1097 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 1098 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 1099 sizeof(hbqmb->profiles.profile3.cmdmatch)); 1100 } 1101 1102 /** 1103 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 1104 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1105 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1106 * 1107 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 1108 * HBA tests the initial frame of an incoming sequence using the frame's 1109 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 1110 * and Byte Field Test using the fields in the Selection Profile 5 extension 1111 * words 20:31. 1112 **/ 1113 static void 1114 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 1115 struct lpfc_hbq_init *hbq_desc) 1116 { 1117 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 1118 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 1119 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 1120 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 1121 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 1122 sizeof(hbqmb->profiles.profile5.cmdmatch)); 1123 } 1124 1125 /** 1126 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ 1127 * @phba: pointer to lpfc hba data structure. 1128 * @id: HBQ identifier. 1129 * @hbq_desc: pointer to the HBA descriptor data structure. 1130 * @hbq_entry_index: index of the HBQ entry data structures. 1131 * @pmb: pointer to the driver internal queue element for mailbox command. 1132 * 1133 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 1134 * an HBQ. The configuration binds events that require buffers to a particular 1135 * ring and HBQ based on a selection profile. 1136 * 1137 * This routine prepares the mailbox command for configuring an HBQ. 1138 **/ 1139 void 1140 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 1141 struct lpfc_hbq_init *hbq_desc, 1142 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 1143 { 1144 int i; 1145 MAILBOX_t *mb = &pmb->u.mb; 1146 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 1147 1148 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1149 hbqmb->hbqId = id; 1150 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 1151 hbqmb->recvNotify = hbq_desc->rn; /* Receive 1152 * Notification */ 1153 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 1154 * # in words 0-19 */ 1155 hbqmb->profile = hbq_desc->profile; /* Selection profile: 1156 * 0 = all, 1157 * 7 = logentry */ 1158 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 1159 * e.g. Ring0=b0001, 1160 * ring2=b0100 */ 1161 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 1162 * or 5 */ 1163 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 1164 * HBQ will be used 1165 * for LogEntry 1166 * buffers */ 1167 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 1168 hbq_entry_index * sizeof(struct lpfc_hbq_entry); 1169 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 1170 1171 mb->mbxCommand = MBX_CONFIG_HBQ; 1172 mb->mbxOwner = OWN_HOST; 1173 1174 /* Copy info for profiles 2,3,5. Other 1175 * profiles this area is reserved 1176 */ 1177 if (hbq_desc->profile == 2) 1178 lpfc_build_hbq_profile2(hbqmb, hbq_desc); 1179 else if (hbq_desc->profile == 3) 1180 lpfc_build_hbq_profile3(hbqmb, hbq_desc); 1181 else if (hbq_desc->profile == 5) 1182 lpfc_build_hbq_profile5(hbqmb, hbq_desc); 1183 1184 /* Return if no rctl / type masks for this HBQ */ 1185 if (!hbq_desc->mask_count) 1186 return; 1187 1188 /* Otherwise we setup specific rctl / type masks for this HBQ */ 1189 for (i = 0; i < hbq_desc->mask_count; i++) { 1190 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 1191 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 1192 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 1193 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 1194 } 1195 1196 return; 1197 } 1198 1199 /** 1200 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring 1201 * @phba: pointer to lpfc hba data structure. 1202 * @ring: ring number/index 1203 * @pmb: pointer to the driver internal queue element for mailbox command. 1204 * 1205 * The configure ring mailbox command is used to configure an IOCB ring. This 1206 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1207 * ring. This is used to map incoming sequences to a particular ring whose 1208 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1209 * attempt to configure a ring whose number is greater than the number 1210 * specified in the Port Control Block (PCB). It is an error to issue the 1211 * configure ring command more than once with the same ring number. The HBA 1212 * returns an error if the driver attempts this. 1213 * 1214 * This routine prepares the mailbox command for configuring IOCB ring. 1215 **/ 1216 void 1217 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1218 { 1219 int i; 1220 MAILBOX_t *mb = &pmb->u.mb; 1221 struct lpfc_sli *psli; 1222 struct lpfc_sli_ring *pring; 1223 1224 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1225 1226 mb->un.varCfgRing.ring = ring; 1227 mb->un.varCfgRing.maxOrigXchg = 0; 1228 mb->un.varCfgRing.maxRespXchg = 0; 1229 mb->un.varCfgRing.recvNotify = 1; 1230 1231 psli = &phba->sli; 1232 pring = &psli->sli3_ring[ring]; 1233 mb->un.varCfgRing.numMask = pring->num_mask; 1234 mb->mbxCommand = MBX_CONFIG_RING; 1235 mb->mbxOwner = OWN_HOST; 1236 1237 /* Is this ring configured for a specific profile */ 1238 if (pring->prt[0].profile) { 1239 mb->un.varCfgRing.profile = pring->prt[0].profile; 1240 return; 1241 } 1242 1243 /* Otherwise we setup specific rctl / type masks for this ring */ 1244 for (i = 0; i < pring->num_mask; i++) { 1245 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1246 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) 1247 mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1248 else 1249 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1250 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1251 mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1252 } 1253 1254 return; 1255 } 1256 1257 /** 1258 * lpfc_config_port - Prepare a mailbox command for configuring port 1259 * @phba: pointer to lpfc hba data structure. 1260 * @pmb: pointer to the driver internal queue element for mailbox command. 1261 * 1262 * The configure port mailbox command is used to identify the Port Control 1263 * Block (PCB) in the driver memory. After this command is issued, the 1264 * driver must not access the mailbox in the HBA without first resetting 1265 * the HBA. The HBA may copy the PCB information to internal storage for 1266 * subsequent use; the driver can not change the PCB information unless it 1267 * resets the HBA. 1268 * 1269 * This routine prepares the mailbox command for configuring port. 1270 **/ 1271 void 1272 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1273 { 1274 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1275 MAILBOX_t *mb = &pmb->u.mb; 1276 dma_addr_t pdma_addr; 1277 uint32_t bar_low, bar_high; 1278 size_t offset; 1279 struct lpfc_hgp hgp; 1280 int i; 1281 uint32_t pgp_offset; 1282 1283 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1284 mb->mbxCommand = MBX_CONFIG_PORT; 1285 mb->mbxOwner = OWN_HOST; 1286 1287 mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1288 1289 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 1290 pdma_addr = phba->slim2p.phys + offset; 1291 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1292 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1293 1294 /* Always Host Group Pointer is in SLIM */ 1295 mb->un.varCfgPort.hps = 1; 1296 1297 /* If HBA supports SLI=3 ask for it */ 1298 1299 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { 1300 if (phba->cfg_enable_bg) 1301 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1302 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 1303 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 1304 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 1305 if (phba->max_vpi && phba->cfg_enable_npiv && 1306 phba->vpd.sli3Feat.cmv) { 1307 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; 1308 mb->un.varCfgPort.cmv = 1; 1309 } else 1310 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 1311 } else 1312 phba->sli_rev = LPFC_SLI_REV2; 1313 mb->un.varCfgPort.sli_mode = phba->sli_rev; 1314 1315 /* If this is an SLI3 port, configure async status notification. */ 1316 if (phba->sli_rev == LPFC_SLI_REV3) 1317 mb->un.varCfgPort.casabt = 1; 1318 1319 /* Now setup pcb */ 1320 phba->pcb->type = TYPE_NATIVE_SLI2; 1321 phba->pcb->feature = FEATURE_INITIAL_SLI2; 1322 1323 /* Setup Mailbox pointers */ 1324 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; 1325 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 1326 pdma_addr = phba->slim2p.phys + offset; 1327 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 1328 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1329 1330 /* 1331 * Setup Host Group ring pointer. 1332 * 1333 * For efficiency reasons, the ring get/put pointers can be 1334 * placed in adapter memory (SLIM) rather than in host memory. 1335 * This allows firmware to avoid PCI reads/writes when updating 1336 * and checking pointers. 1337 * 1338 * The firmware recognizes the use of SLIM memory by comparing 1339 * the address of the get/put pointers structure with that of 1340 * the SLIM BAR (BAR0). 1341 * 1342 * Caution: be sure to use the PCI config space value of BAR0/BAR1 1343 * (the hardware's view of the base address), not the OS's 1344 * value of pci_resource_start() as the OS value may be a cookie 1345 * for ioremap/iomap. 1346 */ 1347 1348 1349 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1350 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1351 1352 /* 1353 * Set up HGP - Port Memory 1354 * 1355 * The port expects the host get/put pointers to reside in memory 1356 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1357 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1358 * words (0x40 bytes). This area is not reserved if HBQs are 1359 * configured in SLI-3. 1360 * 1361 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1362 * RR0Get 0xc4 0x84 1363 * CR1Put 0xc8 0x88 1364 * RR1Get 0xcc 0x8c 1365 * CR2Put 0xd0 0x90 1366 * RR2Get 0xd4 0x94 1367 * CR3Put 0xd8 0x98 1368 * RR3Get 0xdc 0x9c 1369 * 1370 * Reserved 0xa0-0xbf 1371 * If HBQs configured: 1372 * HBQ 0 Put ptr 0xc0 1373 * HBQ 1 Put ptr 0xc4 1374 * HBQ 2 Put ptr 0xc8 1375 * ...... 1376 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1377 * 1378 */ 1379 1380 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { 1381 phba->host_gp = (struct lpfc_hgp __iomem *) 1382 &phba->mbox->us.s2.host[0]; 1383 phba->hbq_put = NULL; 1384 offset = (uint8_t *)&phba->mbox->us.s2.host - 1385 (uint8_t *)phba->slim2p.virt; 1386 pdma_addr = phba->slim2p.phys + offset; 1387 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); 1388 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); 1389 } else { 1390 /* Always Host Group Pointer is in SLIM */ 1391 mb->un.varCfgPort.hps = 1; 1392 1393 if (phba->sli_rev == 3) { 1394 phba->host_gp = &mb_slim->us.s3.host[0]; 1395 phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1396 } else { 1397 phba->host_gp = &mb_slim->us.s2.host[0]; 1398 phba->hbq_put = NULL; 1399 } 1400 1401 /* mask off BAR0's flag bits 0 - 3 */ 1402 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1403 (void __iomem *)phba->host_gp - 1404 (void __iomem *)phba->MBslimaddr; 1405 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 1406 phba->pcb->hgpAddrHigh = bar_high; 1407 else 1408 phba->pcb->hgpAddrHigh = 0; 1409 /* write HGP data to SLIM at the required longword offset */ 1410 memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1411 1412 for (i = 0; i < phba->sli.num_rings; i++) { 1413 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1414 sizeof(*phba->host_gp)); 1415 } 1416 } 1417 1418 /* Setup Port Group offset */ 1419 if (phba->sli_rev == 3) 1420 pgp_offset = offsetof(struct lpfc_sli2_slim, 1421 mbx.us.s3_pgp.port); 1422 else 1423 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 1424 pdma_addr = phba->slim2p.phys + pgp_offset; 1425 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 1426 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1427 1428 /* Use callback routine to setp rings in the pcb */ 1429 lpfc_config_pcb_setup(phba); 1430 1431 /* special handling for LC HBAs */ 1432 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1433 uint32_t hbainit[5]; 1434 1435 lpfc_hba_init(phba, hbainit); 1436 1437 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1438 } 1439 1440 /* Swap PCB if needed */ 1441 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1442 } 1443 1444 /** 1445 * lpfc_kill_board - Prepare a mailbox command for killing board 1446 * @phba: pointer to lpfc hba data structure. 1447 * @pmb: pointer to the driver internal queue element for mailbox command. 1448 * 1449 * The kill board mailbox command is used to tell firmware to perform a 1450 * graceful shutdown of a channel on a specified board to prepare for reset. 1451 * When the kill board mailbox command is received, the ER3 bit is set to 1 1452 * in the Host Status register and the ER Attention bit is set to 1 in the 1453 * Host Attention register of the HBA function that received the kill board 1454 * command. 1455 * 1456 * This routine prepares the mailbox command for killing the board in 1457 * preparation for a graceful shutdown. 1458 **/ 1459 void 1460 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1461 { 1462 MAILBOX_t *mb = &pmb->u.mb; 1463 1464 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1465 mb->mbxCommand = MBX_KILL_BOARD; 1466 mb->mbxOwner = OWN_HOST; 1467 return; 1468 } 1469 1470 /** 1471 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue 1472 * @phba: pointer to lpfc hba data structure. 1473 * @mbq: pointer to the driver internal queue element for mailbox command. 1474 * 1475 * Driver maintains a internal mailbox command queue implemented as a linked 1476 * list. When a mailbox command is issued, it shall be put into the mailbox 1477 * command queue such that they shall be processed orderly as HBA can process 1478 * one mailbox command at a time. 1479 **/ 1480 void 1481 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1482 { 1483 struct lpfc_sli *psli; 1484 1485 psli = &phba->sli; 1486 1487 list_add_tail(&mbq->list, &psli->mboxq); 1488 1489 psli->mboxq_cnt++; 1490 1491 return; 1492 } 1493 1494 /** 1495 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue 1496 * @phba: pointer to lpfc hba data structure. 1497 * 1498 * Driver maintains a internal mailbox command queue implemented as a linked 1499 * list. When a mailbox command is issued, it shall be put into the mailbox 1500 * command queue such that they shall be processed orderly as HBA can process 1501 * one mailbox command at a time. After HBA finished processing a mailbox 1502 * command, the driver will remove a pending mailbox command from the head of 1503 * the mailbox command queue and send to the HBA for processing. 1504 * 1505 * Return codes 1506 * pointer to the driver internal queue element for mailbox command. 1507 **/ 1508 LPFC_MBOXQ_t * 1509 lpfc_mbox_get(struct lpfc_hba * phba) 1510 { 1511 LPFC_MBOXQ_t *mbq = NULL; 1512 struct lpfc_sli *psli = &phba->sli; 1513 1514 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 1515 if (mbq) 1516 psli->mboxq_cnt--; 1517 1518 return mbq; 1519 } 1520 1521 /** 1522 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list 1523 * @phba: pointer to lpfc hba data structure. 1524 * @mbq: pointer to the driver internal queue element for mailbox command. 1525 * 1526 * This routine put the completed mailbox command into the mailbox command 1527 * complete list. This is the unlocked version of the routine. The mailbox 1528 * complete list is used by the driver worker thread to process mailbox 1529 * complete callback functions outside the driver interrupt handler. 1530 **/ 1531 void 1532 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1533 { 1534 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 1535 } 1536 1537 /** 1538 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list 1539 * @phba: pointer to lpfc hba data structure. 1540 * @mbq: pointer to the driver internal queue element for mailbox command. 1541 * 1542 * This routine put the completed mailbox command into the mailbox command 1543 * complete list. This is the locked version of the routine. The mailbox 1544 * complete list is used by the driver worker thread to process mailbox 1545 * complete callback functions outside the driver interrupt handler. 1546 **/ 1547 void 1548 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1549 { 1550 unsigned long iflag; 1551 1552 /* This function expects to be called from interrupt context */ 1553 spin_lock_irqsave(&phba->hbalock, iflag); 1554 __lpfc_mbox_cmpl_put(phba, mbq); 1555 spin_unlock_irqrestore(&phba->hbalock, iflag); 1556 return; 1557 } 1558 1559 /** 1560 * lpfc_mbox_cmd_check - Check the validality of a mailbox command 1561 * @phba: pointer to lpfc hba data structure. 1562 * @mboxq: pointer to the driver internal queue element for mailbox command. 1563 * 1564 * This routine is to check whether a mailbox command is valid to be issued. 1565 * This check will be performed by both the mailbox issue API when a client 1566 * is to issue a mailbox command to the mailbox transport. 1567 * 1568 * Return 0 - pass the check, -ENODEV - fail the check 1569 **/ 1570 int 1571 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1572 { 1573 /* Mailbox command that have a completion handler must also have a 1574 * vport specified. 1575 */ 1576 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && 1577 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { 1578 if (!mboxq->vport) { 1579 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, 1580 "1814 Mbox x%x failed, no vport\n", 1581 mboxq->u.mb.mbxCommand); 1582 dump_stack(); 1583 return -ENODEV; 1584 } 1585 } 1586 return 0; 1587 } 1588 1589 /** 1590 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command 1591 * @phba: pointer to lpfc hba data structure. 1592 * 1593 * This routine is to check whether the HBA device is ready for posting a 1594 * mailbox command. It is used by the mailbox transport API at the time the 1595 * to post a mailbox command to the device. 1596 * 1597 * Return 0 - pass the check, -ENODEV - fail the check 1598 **/ 1599 int 1600 lpfc_mbox_dev_check(struct lpfc_hba *phba) 1601 { 1602 /* If the PCI channel is in offline state, do not issue mbox */ 1603 if (unlikely(pci_channel_offline(phba->pcidev))) 1604 return -ENODEV; 1605 1606 /* If the HBA is in error state, do not issue mbox */ 1607 if (phba->link_state == LPFC_HBA_ERROR) 1608 return -ENODEV; 1609 1610 return 0; 1611 } 1612 1613 /** 1614 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value 1615 * @phba: pointer to lpfc hba data structure. 1616 * @mboxq: pointer to the driver internal queue element for mailbox command. 1617 * 1618 * This routine retrieves the proper timeout value according to the mailbox 1619 * command code. 1620 * 1621 * Return codes 1622 * Timeout value to be used for the given mailbox command 1623 **/ 1624 int 1625 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1626 { 1627 MAILBOX_t *mbox = &mboxq->u.mb; 1628 uint8_t subsys, opcode; 1629 1630 switch (mbox->mbxCommand) { 1631 case MBX_WRITE_NV: /* 0x03 */ 1632 case MBX_DUMP_MEMORY: /* 0x17 */ 1633 case MBX_UPDATE_CFG: /* 0x1B */ 1634 case MBX_DOWN_LOAD: /* 0x1C */ 1635 case MBX_DEL_LD_ENTRY: /* 0x1D */ 1636 case MBX_WRITE_VPARMS: /* 0x32 */ 1637 case MBX_LOAD_AREA: /* 0x81 */ 1638 case MBX_WRITE_WWN: /* 0x98 */ 1639 case MBX_LOAD_EXP_ROM: /* 0x9C */ 1640 case MBX_ACCESS_VDATA: /* 0xA5 */ 1641 return LPFC_MBOX_TMO_FLASH_CMD; 1642 case MBX_SLI4_CONFIG: /* 0x9b */ 1643 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); 1644 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); 1645 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { 1646 switch (opcode) { 1647 case LPFC_MBOX_OPCODE_READ_OBJECT: 1648 case LPFC_MBOX_OPCODE_WRITE_OBJECT: 1649 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: 1650 case LPFC_MBOX_OPCODE_DELETE_OBJECT: 1651 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: 1652 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: 1653 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: 1654 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: 1655 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: 1656 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: 1657 case LPFC_MBOX_OPCODE_SEND_ACTIVATION: 1658 case LPFC_MBOX_OPCODE_RESET_LICENSES: 1659 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: 1660 case LPFC_MBOX_OPCODE_GET_VPD_DATA: 1661 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: 1662 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1663 } 1664 } 1665 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { 1666 switch (opcode) { 1667 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: 1668 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1669 } 1670 } 1671 return LPFC_MBOX_SLI4_CONFIG_TMO; 1672 } 1673 return LPFC_MBOX_TMO; 1674 } 1675 1676 /** 1677 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command 1678 * @mbox: pointer to lpfc mbox command. 1679 * @sgentry: sge entry index. 1680 * @phyaddr: physical address for the sge 1681 * @length: Length of the sge. 1682 * 1683 * This routine sets up an entry in the non-embedded mailbox command at the sge 1684 * index location. 1685 **/ 1686 void 1687 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, 1688 dma_addr_t phyaddr, uint32_t length) 1689 { 1690 struct lpfc_mbx_nembed_cmd *nembed_sge; 1691 1692 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1693 &mbox->u.mqe.un.nembed_cmd; 1694 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); 1695 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); 1696 nembed_sge->sge[sgentry].length = length; 1697 } 1698 1699 /** 1700 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command 1701 * @mbox: pointer to lpfc mbox command. 1702 * @sgentry: sge entry index. 1703 * @sge: pointer to lpfc mailbox sge to load into. 1704 * 1705 * This routine gets an entry from the non-embedded mailbox command at the sge 1706 * index location. 1707 **/ 1708 void 1709 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, 1710 struct lpfc_mbx_sge *sge) 1711 { 1712 struct lpfc_mbx_nembed_cmd *nembed_sge; 1713 1714 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1715 &mbox->u.mqe.un.nembed_cmd; 1716 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; 1717 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; 1718 sge->length = nembed_sge->sge[sgentry].length; 1719 } 1720 1721 /** 1722 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command 1723 * @phba: pointer to lpfc hba data structure. 1724 * @mbox: pointer to lpfc mbox command. 1725 * 1726 * This routine frees SLI4 specific mailbox command for sending IOCTL command. 1727 **/ 1728 void 1729 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 1730 { 1731 struct lpfc_mbx_sli4_config *sli4_cfg; 1732 struct lpfc_mbx_sge sge; 1733 dma_addr_t phyaddr; 1734 uint32_t sgecount, sgentry; 1735 1736 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1737 1738 /* For embedded mbox command, just free the mbox command */ 1739 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1740 mempool_free(mbox, phba->mbox_mem_pool); 1741 return; 1742 } 1743 1744 /* For non-embedded mbox command, we need to free the pages first */ 1745 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); 1746 /* There is nothing we can do if there is no sge address array */ 1747 if (unlikely(!mbox->sge_array)) { 1748 mempool_free(mbox, phba->mbox_mem_pool); 1749 return; 1750 } 1751 /* Each non-embedded DMA memory was allocated in the length of a page */ 1752 for (sgentry = 0; sgentry < sgecount; sgentry++) { 1753 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); 1754 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); 1755 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 1756 mbox->sge_array->addr[sgentry], phyaddr); 1757 } 1758 /* Free the sge address array memory */ 1759 kfree(mbox->sge_array); 1760 /* Finally, free the mailbox command itself */ 1761 mempool_free(mbox, phba->mbox_mem_pool); 1762 } 1763 1764 /** 1765 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command 1766 * @phba: pointer to lpfc hba data structure. 1767 * @mbox: pointer to lpfc mbox command. 1768 * @subsystem: The sli4 config sub mailbox subsystem. 1769 * @opcode: The sli4 config sub mailbox command opcode. 1770 * @length: Length of the sli4 config mailbox command (including sub-header). 1771 * @emb: True if embedded mbox command should be setup. 1772 * 1773 * This routine sets up the header fields of SLI4 specific mailbox command 1774 * for sending IOCTL command. 1775 * 1776 * Return: the actual length of the mbox command allocated (mostly useful 1777 * for none embedded mailbox command). 1778 **/ 1779 int 1780 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1781 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) 1782 { 1783 struct lpfc_mbx_sli4_config *sli4_config; 1784 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; 1785 uint32_t alloc_len; 1786 uint32_t resid_len; 1787 uint32_t pagen, pcount; 1788 void *viraddr; 1789 dma_addr_t phyaddr; 1790 1791 /* Set up SLI4 mailbox command header fields */ 1792 memset(mbox, 0, sizeof(*mbox)); 1793 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); 1794 1795 /* Set up SLI4 ioctl command header fields */ 1796 sli4_config = &mbox->u.mqe.un.sli4_config; 1797 1798 /* Setup for the embedded mbox command */ 1799 if (emb) { 1800 /* Set up main header fields */ 1801 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); 1802 sli4_config->header.cfg_mhdr.payload_length = length; 1803 /* Set up sub-header fields following main header */ 1804 bf_set(lpfc_mbox_hdr_opcode, 1805 &sli4_config->header.cfg_shdr.request, opcode); 1806 bf_set(lpfc_mbox_hdr_subsystem, 1807 &sli4_config->header.cfg_shdr.request, subsystem); 1808 sli4_config->header.cfg_shdr.request.request_length = 1809 length - LPFC_MBX_CMD_HDR_LENGTH; 1810 return length; 1811 } 1812 1813 /* Setup for the non-embedded mbox command */ 1814 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; 1815 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? 1816 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; 1817 /* Allocate record for keeping SGE virtual addresses */ 1818 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), 1819 GFP_KERNEL); 1820 if (!mbox->sge_array) { 1821 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1822 "2527 Failed to allocate non-embedded SGE " 1823 "array.\n"); 1824 return 0; 1825 } 1826 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { 1827 /* The DMA memory is always allocated in the length of a 1828 * page even though the last SGE might not fill up to a 1829 * page, this is used as a priori size of SLI4_PAGE_SIZE for 1830 * the later DMA memory free. 1831 */ 1832 viraddr = dma_alloc_coherent(&phba->pcidev->dev, 1833 SLI4_PAGE_SIZE, &phyaddr, 1834 GFP_KERNEL); 1835 /* In case of malloc fails, proceed with whatever we have */ 1836 if (!viraddr) 1837 break; 1838 mbox->sge_array->addr[pagen] = viraddr; 1839 /* Keep the first page for later sub-header construction */ 1840 if (pagen == 0) 1841 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; 1842 resid_len = length - alloc_len; 1843 if (resid_len > SLI4_PAGE_SIZE) { 1844 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1845 SLI4_PAGE_SIZE); 1846 alloc_len += SLI4_PAGE_SIZE; 1847 } else { 1848 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1849 resid_len); 1850 alloc_len = length; 1851 } 1852 } 1853 1854 /* Set up main header fields in mailbox command */ 1855 sli4_config->header.cfg_mhdr.payload_length = alloc_len; 1856 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); 1857 1858 /* Set up sub-header fields into the first page */ 1859 if (pagen > 0) { 1860 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); 1861 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); 1862 cfg_shdr->request.request_length = 1863 alloc_len - sizeof(union lpfc_sli4_cfg_shdr); 1864 } 1865 /* The sub-header is in DMA memory, which needs endian converstion */ 1866 if (cfg_shdr) 1867 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, 1868 sizeof(union lpfc_sli4_cfg_shdr)); 1869 return alloc_len; 1870 } 1871 1872 /** 1873 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. 1874 * @phba: pointer to lpfc hba data structure. 1875 * @mbox: pointer to an allocated lpfc mbox resource. 1876 * @exts_count: the number of extents, if required, to allocate. 1877 * @rsrc_type: the resource extent type. 1878 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. 1879 * 1880 * This routine completes the subcommand header for SLI4 resource extent 1881 * mailbox commands. It is called after lpfc_sli4_config. The caller must 1882 * pass an allocated mailbox and the attributes required to initialize the 1883 * mailbox correctly. 1884 * 1885 * Return: the actual length of the mbox command allocated. 1886 **/ 1887 int 1888 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1889 uint16_t exts_count, uint16_t rsrc_type, bool emb) 1890 { 1891 uint8_t opcode = 0; 1892 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; 1893 void *virtaddr = NULL; 1894 1895 /* Set up SLI4 ioctl command header fields */ 1896 if (emb == LPFC_SLI4_MBX_NEMBED) { 1897 /* Get the first SGE entry from the non-embedded DMA memory */ 1898 virtaddr = mbox->sge_array->addr[0]; 1899 if (virtaddr == NULL) 1900 return 1; 1901 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; 1902 } 1903 1904 /* 1905 * The resource type is common to all extent Opcodes and resides in the 1906 * same position. 1907 */ 1908 if (emb == LPFC_SLI4_MBX_EMBED) 1909 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1910 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1911 rsrc_type); 1912 else { 1913 /* This is DMA data. Byteswap is required. */ 1914 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1915 n_rsrc_extnt, rsrc_type); 1916 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, 1917 &n_rsrc_extnt->word4, 1918 sizeof(uint32_t)); 1919 } 1920 1921 /* Complete the initialization for the particular Opcode. */ 1922 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); 1923 switch (opcode) { 1924 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: 1925 if (emb == LPFC_SLI4_MBX_EMBED) 1926 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1927 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1928 exts_count); 1929 else 1930 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1931 n_rsrc_extnt, exts_count); 1932 break; 1933 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: 1934 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: 1935 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: 1936 /* Initialization is complete.*/ 1937 break; 1938 default: 1939 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1940 "2929 Resource Extent Opcode x%x is " 1941 "unsupported\n", opcode); 1942 return 1; 1943 } 1944 1945 return 0; 1946 } 1947 1948 /** 1949 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd 1950 * @phba: pointer to lpfc hba data structure. 1951 * @mbox: pointer to lpfc mbox command queue entry. 1952 * 1953 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox 1954 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the 1955 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall 1956 * be returned. 1957 **/ 1958 uint8_t 1959 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1960 { 1961 struct lpfc_mbx_sli4_config *sli4_cfg; 1962 union lpfc_sli4_cfg_shdr *cfg_shdr; 1963 1964 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1965 return LPFC_MBOX_SUBSYSTEM_NA; 1966 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1967 1968 /* For embedded mbox command, get opcode from embedded sub-header*/ 1969 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1970 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 1971 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1972 } 1973 1974 /* For non-embedded mbox command, get opcode from first dma page */ 1975 if (unlikely(!mbox->sge_array)) 1976 return LPFC_MBOX_SUBSYSTEM_NA; 1977 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 1978 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 1979 } 1980 1981 /** 1982 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd 1983 * @phba: pointer to lpfc hba data structure. 1984 * @mbox: pointer to lpfc mbox command queue entry. 1985 * 1986 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox 1987 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if 1988 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be 1989 * returned. 1990 **/ 1991 uint8_t 1992 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 1993 { 1994 struct lpfc_mbx_sli4_config *sli4_cfg; 1995 union lpfc_sli4_cfg_shdr *cfg_shdr; 1996 1997 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 1998 return LPFC_MBOX_OPCODE_NA; 1999 sli4_cfg = &mbox->u.mqe.un.sli4_config; 2000 2001 /* For embedded mbox command, get opcode from embedded sub-header*/ 2002 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 2003 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 2004 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2005 } 2006 2007 /* For non-embedded mbox command, get opcode from first dma page */ 2008 if (unlikely(!mbox->sge_array)) 2009 return LPFC_MBOX_OPCODE_NA; 2010 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 2011 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2012 } 2013 2014 /** 2015 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd 2016 * @phba: pointer to lpfc hba data structure. 2017 * @mboxq: pointer to lpfc mbox command. 2018 * @fcf_index: index to fcf table. 2019 * 2020 * This routine routine allocates and constructs non-embedded mailbox command 2021 * for reading a FCF table entry referred by @fcf_index. 2022 * 2023 * Return: pointer to the mailbox command constructed if successful, otherwise 2024 * NULL. 2025 **/ 2026 int 2027 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, 2028 struct lpfcMboxq *mboxq, 2029 uint16_t fcf_index) 2030 { 2031 void *virt_addr; 2032 uint8_t *bytep; 2033 struct lpfc_mbx_sge sge; 2034 uint32_t alloc_len, req_len; 2035 struct lpfc_mbx_read_fcf_tbl *read_fcf; 2036 2037 if (!mboxq) 2038 return -ENOMEM; 2039 2040 req_len = sizeof(struct fcf_record) + 2041 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); 2042 2043 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ 2044 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, 2045 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, 2046 LPFC_SLI4_MBX_NEMBED); 2047 2048 if (alloc_len < req_len) { 2049 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2050 "0291 Allocated DMA memory size (x%x) is " 2051 "less than the requested DMA memory " 2052 "size (x%x)\n", alloc_len, req_len); 2053 return -ENOMEM; 2054 } 2055 2056 /* Get the first SGE entry from the non-embedded DMA memory. This 2057 * routine only uses a single SGE. 2058 */ 2059 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); 2060 virt_addr = mboxq->sge_array->addr[0]; 2061 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; 2062 2063 /* Set up command fields */ 2064 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); 2065 /* Perform necessary endian conversion */ 2066 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); 2067 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); 2068 2069 return 0; 2070 } 2071 2072 /** 2073 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox 2074 * @phba: pointer to lpfc hba data structure. 2075 * @mboxq: pointer to lpfc mbox command. 2076 * 2077 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES 2078 * mailbox command. 2079 **/ 2080 void 2081 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) 2082 { 2083 /* Set up SLI4 mailbox command header fields */ 2084 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 2085 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); 2086 2087 /* Set up host requested features. */ 2088 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); 2089 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); 2090 2091 /* Enable DIF (block guard) only if configured to do so. */ 2092 if (phba->cfg_enable_bg) 2093 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); 2094 2095 /* Enable NPIV only if configured to do so. */ 2096 if (phba->max_vpi && phba->cfg_enable_npiv) 2097 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); 2098 2099 if (phba->nvmet_support) { 2100 bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1); 2101 /* iaab/iaar NOT set for now */ 2102 bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0); 2103 bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0); 2104 } 2105 2106 /* Enable Application Services Header for appheader VMID */ 2107 if (phba->cfg_vmid_app_header) { 2108 bf_set(lpfc_mbx_rq_ftr_rq_ashdr, &mboxq->u.mqe.un.req_ftrs, 1); 2109 bf_set(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags, 1); 2110 } 2111 return; 2112 } 2113 2114 /** 2115 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command 2116 * @mbox: pointer to lpfc mbox command to initialize. 2117 * @vport: Vport associated with the VF. 2118 * 2119 * This routine initializes @mbox to all zeros and then fills in the mailbox 2120 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI 2121 * in the context of an FCF. The driver issues this command to setup a VFI 2122 * before issuing a FLOGI to login to the VSAN. The driver should also issue a 2123 * REG_VFI after a successful VSAN login. 2124 **/ 2125 void 2126 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2127 { 2128 struct lpfc_mbx_init_vfi *init_vfi; 2129 2130 memset(mbox, 0, sizeof(*mbox)); 2131 mbox->vport = vport; 2132 init_vfi = &mbox->u.mqe.un.init_vfi; 2133 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); 2134 bf_set(lpfc_init_vfi_vr, init_vfi, 1); 2135 bf_set(lpfc_init_vfi_vt, init_vfi, 1); 2136 bf_set(lpfc_init_vfi_vp, init_vfi, 1); 2137 bf_set(lpfc_init_vfi_vfi, init_vfi, 2138 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2139 bf_set(lpfc_init_vfi_vpi, init_vfi, 2140 vport->phba->vpi_ids[vport->vpi]); 2141 bf_set(lpfc_init_vfi_fcfi, init_vfi, 2142 vport->phba->fcf.fcfi); 2143 } 2144 2145 /** 2146 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command 2147 * @mbox: pointer to lpfc mbox command to initialize. 2148 * @vport: vport associated with the VF. 2149 * @phys: BDE DMA bus address used to send the service parameters to the HBA. 2150 * 2151 * This routine initializes @mbox to all zeros and then fills in the mailbox 2152 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's 2153 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual 2154 * fabrics identified by VFI in the context of an FCF. 2155 **/ 2156 void 2157 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) 2158 { 2159 struct lpfc_mbx_reg_vfi *reg_vfi; 2160 struct lpfc_hba *phba = vport->phba; 2161 uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; 2162 2163 memset(mbox, 0, sizeof(*mbox)); 2164 reg_vfi = &mbox->u.mqe.un.reg_vfi; 2165 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); 2166 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); 2167 bf_set(lpfc_reg_vfi_vfi, reg_vfi, 2168 phba->sli4_hba.vfi_ids[vport->vfi]); 2169 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); 2170 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); 2171 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); 2172 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); 2173 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); 2174 reg_vfi->e_d_tov = phba->fc_edtov; 2175 reg_vfi->r_a_tov = phba->fc_ratov; 2176 if (phys) { 2177 reg_vfi->bde.addrHigh = putPaddrHigh(phys); 2178 reg_vfi->bde.addrLow = putPaddrLow(phys); 2179 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); 2180 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2181 } 2182 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); 2183 2184 /* Only FC supports upd bit */ 2185 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && 2186 (vport->fc_flag & FC_VFI_REGISTERED) && 2187 (!phba->fc_topology_changed)) 2188 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); 2189 2190 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); 2191 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); 2192 bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; 2193 2194 if (phba->bbcredit_support && phba->cfg_enable_bbcr && 2195 bbscn_fabric != 0) { 2196 bbscn_max = bf_get(lpfc_bbscn_max, 2197 &phba->sli4_hba.bbscn_params); 2198 if (bbscn_fabric <= bbscn_max) { 2199 bbscn_def = bf_get(lpfc_bbscn_def, 2200 &phba->sli4_hba.bbscn_params); 2201 2202 if (bbscn_fabric > bbscn_def) 2203 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 2204 bbscn_fabric); 2205 else 2206 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); 2207 2208 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); 2209 } 2210 } 2211 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, 2212 "3134 Register VFI, mydid:x%x, fcfi:%d, " 2213 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" 2214 " port_state:x%x topology chg:%d bbscn_fabric :%d\n", 2215 vport->fc_myDID, 2216 phba->fcf.fcfi, 2217 phba->sli4_hba.vfi_ids[vport->vfi], 2218 phba->vpi_ids[vport->vpi], 2219 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, 2220 vport->port_state, phba->fc_topology_changed, 2221 bbscn_fabric); 2222 } 2223 2224 /** 2225 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command 2226 * @phba: pointer to the hba structure to init the VPI for. 2227 * @mbox: pointer to lpfc mbox command to initialize. 2228 * @vpi: VPI to be initialized. 2229 * 2230 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the 2231 * command to activate a virtual N_Port. The HBA assigns a MAC address to use 2232 * with the virtual N Port. The SLI Host issues this command before issuing a 2233 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a 2234 * successful virtual NPort login. 2235 **/ 2236 void 2237 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) 2238 { 2239 memset(mbox, 0, sizeof(*mbox)); 2240 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); 2241 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, 2242 phba->vpi_ids[vpi]); 2243 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, 2244 phba->sli4_hba.vfi_ids[phba->pport->vfi]); 2245 } 2246 2247 /** 2248 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command 2249 * @mbox: pointer to lpfc mbox command to initialize. 2250 * @vport: vport associated with the VF. 2251 * 2252 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric 2253 * (logical NPort) into the inactive state. The SLI Host must have logged out 2254 * and unregistered all remote N_Ports to abort any activity on the virtual 2255 * fabric. The SLI Port posts the mailbox response after marking the virtual 2256 * fabric inactive. 2257 **/ 2258 void 2259 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2260 { 2261 memset(mbox, 0, sizeof(*mbox)); 2262 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); 2263 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, 2264 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2265 } 2266 2267 /** 2268 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 2269 * @phba: pointer to the hba structure containing. 2270 * @mbox: pointer to lpfc mbox command to initialize. 2271 * 2272 * This function create a SLI4 dump mailbox command to dump configure 2273 * region 23. 2274 **/ 2275 int 2276 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2277 { 2278 struct lpfc_dmabuf *mp = NULL; 2279 MAILBOX_t *mb; 2280 2281 memset(mbox, 0, sizeof(*mbox)); 2282 mb = &mbox->u.mb; 2283 2284 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2285 if (mp) 2286 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2287 2288 if (!mp || !mp->virt) { 2289 kfree(mp); 2290 /* dump config region 23 failed to allocate memory */ 2291 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2292 "2569 lpfc dump config region 23: memory" 2293 " allocation failed\n"); 2294 return 1; 2295 } 2296 2297 memset(mp->virt, 0, LPFC_BPL_SIZE); 2298 INIT_LIST_HEAD(&mp->list); 2299 2300 /* save address for completion */ 2301 mbox->ctx_buf = (uint8_t *)mp; 2302 2303 mb->mbxCommand = MBX_DUMP_MEMORY; 2304 mb->un.varDmp.type = DMP_NV_PARAMS; 2305 mb->un.varDmp.region_id = DMP_REGION_23; 2306 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; 2307 mb->un.varWords[3] = putPaddrLow(mp->phys); 2308 mb->un.varWords[4] = putPaddrHigh(mp->phys); 2309 return 0; 2310 } 2311 2312 static void 2313 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2314 { 2315 MAILBOX_t *mb; 2316 int rc = FAILURE; 2317 struct lpfc_rdp_context *rdp_context = 2318 (struct lpfc_rdp_context *)(mboxq->ctx_ndlp); 2319 2320 mb = &mboxq->u.mb; 2321 if (mb->mbxStatus) 2322 goto mbx_failed; 2323 2324 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); 2325 2326 rc = SUCCESS; 2327 2328 mbx_failed: 2329 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2330 rdp_context->cmpl(phba, rdp_context, rc); 2331 } 2332 2333 static void 2334 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2335 { 2336 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf; 2337 struct lpfc_rdp_context *rdp_context = 2338 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2339 2340 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2341 goto error_mbuf_free; 2342 2343 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, 2344 DMP_SFF_PAGE_A2_SIZE); 2345 2346 /* We don't need dma buffer for link stat. */ 2347 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2348 kfree(mp); 2349 2350 memset(mbox, 0, sizeof(*mbox)); 2351 lpfc_read_lnk_stat(phba, mbox); 2352 mbox->vport = rdp_context->ndlp->vport; 2353 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; 2354 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2355 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) 2356 goto error_cmd_free; 2357 2358 return; 2359 2360 error_mbuf_free: 2361 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2362 kfree(mp); 2363 error_cmd_free: 2364 lpfc_sli4_mbox_cmd_free(phba, mbox); 2365 rdp_context->cmpl(phba, rdp_context, FAILURE); 2366 } 2367 2368 void 2369 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2370 { 2371 int rc; 2372 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf); 2373 struct lpfc_rdp_context *rdp_context = 2374 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2375 2376 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2377 goto error; 2378 2379 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, 2380 DMP_SFF_PAGE_A0_SIZE); 2381 2382 memset(mbox, 0, sizeof(*mbox)); 2383 2384 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); 2385 INIT_LIST_HEAD(&mp->list); 2386 2387 /* save address for completion */ 2388 mbox->ctx_buf = mp; 2389 mbox->vport = rdp_context->ndlp->vport; 2390 2391 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2392 bf_set(lpfc_mbx_memory_dump_type3_type, 2393 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2394 bf_set(lpfc_mbx_memory_dump_type3_link, 2395 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2396 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2397 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); 2398 bf_set(lpfc_mbx_memory_dump_type3_length, 2399 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); 2400 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2401 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2402 2403 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; 2404 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2405 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 2406 if (rc == MBX_NOT_FINISHED) 2407 goto error; 2408 2409 return; 2410 2411 error: 2412 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2413 kfree(mp); 2414 lpfc_sli4_mbox_cmd_free(phba, mbox); 2415 rdp_context->cmpl(phba, rdp_context, FAILURE); 2416 } 2417 2418 2419 /* 2420 * lpfc_sli4_dump_page_a0 - Dump sli4 read SFP Diagnostic. 2421 * @phba: pointer to the hba structure containing. 2422 * @mbox: pointer to lpfc mbox command to initialize. 2423 * 2424 * This function create a SLI4 dump mailbox command to dump configure 2425 * type 3 page 0xA0. 2426 */ 2427 int 2428 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2429 { 2430 struct lpfc_dmabuf *mp = NULL; 2431 2432 memset(mbox, 0, sizeof(*mbox)); 2433 2434 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 2435 if (mp) 2436 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 2437 if (!mp || !mp->virt) { 2438 kfree(mp); 2439 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2440 "3569 dump type 3 page 0xA0 allocation failed\n"); 2441 return 1; 2442 } 2443 2444 memset(mp->virt, 0, LPFC_BPL_SIZE); 2445 INIT_LIST_HEAD(&mp->list); 2446 2447 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2448 /* save address for completion */ 2449 mbox->ctx_buf = mp; 2450 2451 bf_set(lpfc_mbx_memory_dump_type3_type, 2452 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2453 bf_set(lpfc_mbx_memory_dump_type3_link, 2454 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2455 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2456 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); 2457 bf_set(lpfc_mbx_memory_dump_type3_length, 2458 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); 2459 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2460 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2461 2462 return 0; 2463 } 2464 2465 /** 2466 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command 2467 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2468 * @mbox: pointer to lpfc mbox command to initialize. 2469 * 2470 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The 2471 * SLI Host uses the command to activate an FCF after it has acquired FCF 2472 * information via a READ_FCF mailbox command. This mailbox command also is used 2473 * to indicate where received unsolicited frames from this FCF will be sent. By 2474 * default this routine will set up the FCF to forward all unsolicited frames 2475 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2476 * more complicated setups. 2477 **/ 2478 void 2479 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2480 { 2481 struct lpfc_mbx_reg_fcfi *reg_fcfi; 2482 2483 memset(mbox, 0, sizeof(*mbox)); 2484 reg_fcfi = &mbox->u.mqe.un.reg_fcfi; 2485 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); 2486 if (phba->nvmet_support == 0) { 2487 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2488 phba->sli4_hba.hdr_rq->queue_id); 2489 /* Match everything - rq_id0 */ 2490 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0); 2491 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0); 2492 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0); 2493 bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0); 2494 2495 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); 2496 2497 /* addr mode is bit wise inverted value of fcf addr_mode */ 2498 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, 2499 (~phba->fcf.addr_mode) & 0x3); 2500 } else { 2501 /* This is ONLY for NVMET MRQ == 1 */ 2502 if (phba->cfg_nvmet_mrq != 1) 2503 return; 2504 2505 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2506 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2507 /* Match type FCP - rq_id0 */ 2508 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP); 2509 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff); 2510 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 2511 FC_RCTL_DD_UNSOL_CMD); 2512 2513 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, 2514 phba->sli4_hba.hdr_rq->queue_id); 2515 /* Match everything else - rq_id1 */ 2516 bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0); 2517 bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0); 2518 bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0); 2519 bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0); 2520 } 2521 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2522 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2523 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, 2524 phba->fcf.current_rec.fcf_indx); 2525 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2526 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); 2527 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, 2528 phba->fcf.current_rec.vlan_id); 2529 } 2530 } 2531 2532 /** 2533 * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command 2534 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2535 * @mbox: pointer to lpfc mbox command to initialize. 2536 * @mode: 0 to register FCFI, 1 to register MRQs 2537 * 2538 * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs). 2539 * The SLI Host uses the command to activate an FCF after it has acquired FCF 2540 * information via a READ_FCF mailbox command. This mailbox command also is used 2541 * to indicate where received unsolicited frames from this FCF will be sent. By 2542 * default this routine will set up the FCF to forward all unsolicited frames 2543 * the the RQ ID passed in the @phba. This can be overridden by the caller for 2544 * more complicated setups. 2545 **/ 2546 void 2547 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode) 2548 { 2549 struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi; 2550 2551 /* This is ONLY for MRQ */ 2552 if (phba->cfg_nvmet_mrq <= 1) 2553 return; 2554 2555 memset(mbox, 0, sizeof(*mbox)); 2556 reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq; 2557 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ); 2558 if (mode == 0) { 2559 bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi, 2560 phba->fcf.current_rec.fcf_indx); 2561 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2562 bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1); 2563 bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi, 2564 phba->fcf.current_rec.vlan_id); 2565 } 2566 return; 2567 } 2568 2569 bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi, 2570 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2571 /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */ 2572 bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP); 2573 bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff); 2574 bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); 2575 bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff); 2576 bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1); 2577 bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1); 2578 2579 bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */ 2580 bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1); 2581 bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */ 2582 bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq); 2583 2584 bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi, 2585 phba->sli4_hba.hdr_rq->queue_id); 2586 /* Match everything - rq_id1 */ 2587 bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0); 2588 bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0); 2589 bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0); 2590 bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0); 2591 2592 bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2593 bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2594 } 2595 2596 /** 2597 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command 2598 * @mbox: pointer to lpfc mbox command to initialize. 2599 * @fcfi: FCFI to be unregistered. 2600 * 2601 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). 2602 * The SLI Host uses the command to inactivate an FCFI. 2603 **/ 2604 void 2605 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) 2606 { 2607 memset(mbox, 0, sizeof(*mbox)); 2608 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); 2609 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); 2610 } 2611 2612 /** 2613 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command 2614 * @mbox: pointer to lpfc mbox command to initialize. 2615 * @ndlp: The nodelist structure that describes the RPI to resume. 2616 * 2617 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a 2618 * link event. 2619 **/ 2620 void 2621 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) 2622 { 2623 struct lpfc_hba *phba = ndlp->phba; 2624 struct lpfc_mbx_resume_rpi *resume_rpi; 2625 2626 memset(mbox, 0, sizeof(*mbox)); 2627 resume_rpi = &mbox->u.mqe.un.resume_rpi; 2628 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); 2629 bf_set(lpfc_resume_rpi_index, resume_rpi, 2630 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2631 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); 2632 resume_rpi->event_tag = ndlp->phba->fc_eventTag; 2633 } 2634 2635