1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2024 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_mbox_rsrc_prep - Prepare a mailbox with DMA buffer memory. 48 * @phba: pointer to lpfc hba data structure. 49 * @mbox: pointer to the driver internal queue element for mailbox command. 50 * 51 * A mailbox command consists of the pool memory for the command, @mbox, and 52 * one or more DMA buffers for the data transfer. This routine provides 53 * a standard framework for allocating the dma buffer and assigning to the 54 * @mbox. Callers should cleanup the mbox with a call to 55 * lpfc_mbox_rsrc_cleanup. 56 * 57 * The lpfc_mbuf_alloc routine acquires the hbalock so the caller is 58 * responsible to ensure the hbalock is released. Also note that the 59 * driver design is a single dmabuf/mbuf per mbox in the ctx_buf. 60 * 61 **/ 62 int 63 lpfc_mbox_rsrc_prep(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 64 { 65 struct lpfc_dmabuf *mp; 66 67 mp = kmalloc(sizeof(*mp), GFP_KERNEL); 68 if (!mp) 69 return -ENOMEM; 70 71 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 72 if (!mp->virt) { 73 kfree(mp); 74 return -ENOMEM; 75 } 76 77 memset(mp->virt, 0, LPFC_BPL_SIZE); 78 79 /* Initialization only. Driver does not use a list of dmabufs. */ 80 INIT_LIST_HEAD(&mp->list); 81 mbox->ctx_buf = mp; 82 return 0; 83 } 84 85 /** 86 * lpfc_mbox_rsrc_cleanup - Free the mailbox DMA buffer and virtual memory. 87 * @phba: pointer to lpfc hba data structure. 88 * @mbox: pointer to the driver internal queue element for mailbox command. 89 * @locked: value that indicates if the hbalock is held (1) or not (0). 90 * 91 * A mailbox command consists of the pool memory for the command, @mbox, and 92 * possibly a DMA buffer for the data transfer. This routine provides 93 * a standard framework for releasing any dma buffers and freeing all 94 * memory resources in it as well as releasing the @mbox back to the @phba pool. 95 * Callers should use this routine for cleanup for all mailboxes prepped with 96 * lpfc_mbox_rsrc_prep. 97 * 98 **/ 99 void 100 lpfc_mbox_rsrc_cleanup(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, 101 enum lpfc_mbox_ctx locked) 102 { 103 struct lpfc_dmabuf *mp; 104 105 mp = (struct lpfc_dmabuf *)mbox->ctx_buf; 106 mbox->ctx_buf = NULL; 107 108 /* Release the generic BPL buffer memory. */ 109 if (mp) { 110 if (locked == MBOX_THD_LOCKED) 111 __lpfc_mbuf_free(phba, mp->virt, mp->phys); 112 else 113 lpfc_mbuf_free(phba, mp->virt, mp->phys); 114 kfree(mp); 115 } 116 117 mempool_free(mbox, phba->mbox_mem_pool); 118 } 119 120 /** 121 * lpfc_dump_static_vport - Dump HBA's static vport information. 122 * @phba: pointer to lpfc hba data structure. 123 * @pmb: pointer to the driver internal queue element for mailbox command. 124 * @offset: offset for dumping vport info. 125 * 126 * The dump mailbox command provides a method for the device driver to obtain 127 * various types of information from the HBA device. 128 * 129 * This routine prepares the mailbox command for dumping list of static 130 * vports to be created. 131 **/ 132 int 133 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 134 uint16_t offset) 135 { 136 MAILBOX_t *mb; 137 struct lpfc_dmabuf *mp; 138 int rc; 139 140 mb = &pmb->u.mb; 141 142 /* Setup to dump vport info region */ 143 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 144 mb->mbxCommand = MBX_DUMP_MEMORY; 145 mb->un.varDmp.type = DMP_NV_PARAMS; 146 mb->un.varDmp.entry_index = offset; 147 mb->un.varDmp.region_id = DMP_REGION_VPORT; 148 mb->mbxOwner = OWN_HOST; 149 150 /* For SLI3 HBAs data is embedded in mailbox */ 151 if (phba->sli_rev != LPFC_SLI_REV4) { 152 mb->un.varDmp.cv = 1; 153 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t); 154 return 0; 155 } 156 157 rc = lpfc_mbox_rsrc_prep(phba, pmb); 158 if (rc) { 159 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 160 "2605 %s: memory allocation failed\n", 161 __func__); 162 return 1; 163 } 164 165 mp = pmb->ctx_buf; 166 mb->un.varWords[3] = putPaddrLow(mp->phys); 167 mb->un.varWords[4] = putPaddrHigh(mp->phys); 168 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info); 169 170 return 0; 171 } 172 173 /** 174 * lpfc_down_link - Bring down HBAs link. 175 * @phba: pointer to lpfc hba data structure. 176 * @pmb: pointer to the driver internal queue element for mailbox command. 177 * 178 * This routine prepares a mailbox command to bring down HBA link. 179 **/ 180 void 181 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 182 { 183 MAILBOX_t *mb; 184 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 185 mb = &pmb->u.mb; 186 mb->mbxCommand = MBX_DOWN_LINK; 187 mb->mbxOwner = OWN_HOST; 188 } 189 190 /** 191 * lpfc_dump_mem - Prepare a mailbox command for reading a region. 192 * @phba: pointer to lpfc hba data structure. 193 * @pmb: pointer to the driver internal queue element for mailbox command. 194 * @offset: offset into the region. 195 * @region_id: config region id. 196 * 197 * The dump mailbox command provides a method for the device driver to obtain 198 * various types of information from the HBA device. 199 * 200 * This routine prepares the mailbox command for dumping HBA's config region. 201 **/ 202 void 203 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset, 204 uint16_t region_id) 205 { 206 MAILBOX_t *mb; 207 void *ctx; 208 209 mb = &pmb->u.mb; 210 ctx = pmb->ctx_buf; 211 212 /* Setup to dump VPD region */ 213 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 214 mb->mbxCommand = MBX_DUMP_MEMORY; 215 mb->un.varDmp.cv = 1; 216 mb->un.varDmp.type = DMP_NV_PARAMS; 217 mb->un.varDmp.entry_index = offset; 218 mb->un.varDmp.region_id = region_id; 219 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); 220 mb->un.varDmp.co = 0; 221 mb->un.varDmp.resp_offset = 0; 222 pmb->ctx_buf = ctx; 223 mb->mbxOwner = OWN_HOST; 224 return; 225 } 226 227 /** 228 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params 229 * @phba: pointer to lpfc hba data structure. 230 * @pmb: pointer to the driver internal queue element for mailbox command. 231 * 232 * This function create a dump memory mailbox command to dump wake up 233 * parameters. 234 */ 235 void 236 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 237 { 238 MAILBOX_t *mb; 239 void *ctx; 240 241 mb = &pmb->u.mb; 242 /* Save context so that we can restore after memset */ 243 ctx = pmb->ctx_buf; 244 245 /* Setup to dump VPD region */ 246 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 247 mb->mbxCommand = MBX_DUMP_MEMORY; 248 mb->mbxOwner = OWN_HOST; 249 mb->un.varDmp.cv = 1; 250 mb->un.varDmp.type = DMP_NV_PARAMS; 251 if (phba->sli_rev < LPFC_SLI_REV4) 252 mb->un.varDmp.entry_index = 0; 253 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; 254 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; 255 mb->un.varDmp.co = 0; 256 mb->un.varDmp.resp_offset = 0; 257 pmb->ctx_buf = ctx; 258 return; 259 } 260 261 /** 262 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param 263 * @phba: pointer to lpfc hba data structure. 264 * @pmb: pointer to the driver internal queue element for mailbox command. 265 * 266 * The read NVRAM mailbox command returns the HBA's non-volatile parameters 267 * that are used as defaults when the Fibre Channel link is brought on-line. 268 * 269 * This routine prepares the mailbox command for reading information stored 270 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. 271 **/ 272 void 273 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 274 { 275 MAILBOX_t *mb; 276 277 mb = &pmb->u.mb; 278 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 279 mb->mbxCommand = MBX_READ_NV; 280 mb->mbxOwner = OWN_HOST; 281 return; 282 } 283 284 /** 285 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event 286 * @phba: pointer to lpfc hba data structure. 287 * @pmb: pointer to the driver internal queue element for mailbox command. 288 * @ring: ring number for the asynchronous event to be configured. 289 * 290 * The asynchronous event enable mailbox command is used to enable the 291 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and 292 * specifies the default ring to which events are posted. 293 * 294 * This routine prepares the mailbox command for enabling HBA asynchronous 295 * event support on a IOCB ring. 296 **/ 297 void 298 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, 299 uint32_t ring) 300 { 301 MAILBOX_t *mb; 302 303 mb = &pmb->u.mb; 304 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 305 mb->mbxCommand = MBX_ASYNCEVT_ENABLE; 306 mb->un.varCfgAsyncEvent.ring = ring; 307 mb->mbxOwner = OWN_HOST; 308 return; 309 } 310 311 /** 312 * lpfc_heart_beat - Prepare a mailbox command for heart beat 313 * @phba: pointer to lpfc hba data structure. 314 * @pmb: pointer to the driver internal queue element for mailbox command. 315 * 316 * The heart beat mailbox command is used to detect an unresponsive HBA, which 317 * is defined as any device where no error attention is sent and both mailbox 318 * and rings are not processed. 319 * 320 * This routine prepares the mailbox command for issuing a heart beat in the 321 * form of mailbox command to the HBA. The timely completion of the heart 322 * beat mailbox command indicates the health of the HBA. 323 **/ 324 void 325 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 326 { 327 MAILBOX_t *mb; 328 329 mb = &pmb->u.mb; 330 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 331 mb->mbxCommand = MBX_HEARTBEAT; 332 mb->mbxOwner = OWN_HOST; 333 return; 334 } 335 336 /** 337 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology 338 * @phba: pointer to lpfc hba data structure. 339 * @pmb: pointer to the driver internal queue element for mailbox command. 340 * @mp: DMA buffer memory for reading the link attention information into. 341 * 342 * The read topology mailbox command is issued to read the link topology 343 * information indicated by the HBA port when the Link Event bit of the Host 344 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link 345 * Attention ACQE is received from the port (For SLI-4). A Link Event 346 * Attention occurs based on an exception detected at the Fibre Channel link 347 * interface. 348 * 349 * This routine prepares the mailbox command for reading HBA link topology 350 * information. A DMA memory has been set aside and address passed to the 351 * HBA through @mp for the HBA to DMA link attention information into the 352 * memory as part of the execution of the mailbox command. 353 * 354 * Return codes 355 * 0 - Success (currently always return 0) 356 **/ 357 int 358 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, 359 struct lpfc_dmabuf *mp) 360 { 361 MAILBOX_t *mb; 362 363 mb = &pmb->u.mb; 364 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 365 366 INIT_LIST_HEAD(&mp->list); 367 mb->mbxCommand = MBX_READ_TOPOLOGY; 368 mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE; 369 mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys); 370 mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys); 371 372 /* Save address for later completion and set the owner to host so that 373 * the FW knows this mailbox is available for processing. 374 */ 375 pmb->ctx_buf = (uint8_t *)mp; 376 mb->mbxOwner = OWN_HOST; 377 return (0); 378 } 379 380 /** 381 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention 382 * @phba: pointer to lpfc hba data structure. 383 * @pmb: pointer to the driver internal queue element for mailbox command. 384 * 385 * The clear link attention mailbox command is issued to clear the link event 386 * attention condition indicated by the Link Event bit of the Host Attention 387 * (HSTATT) register. The link event attention condition is cleared only if 388 * the event tag specified matches that of the current link event counter. 389 * The current event tag is read using the read link attention event mailbox 390 * command. 391 * 392 * This routine prepares the mailbox command for clearing HBA link attention 393 * information. 394 **/ 395 void 396 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 397 { 398 MAILBOX_t *mb; 399 400 mb = &pmb->u.mb; 401 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 402 403 mb->un.varClearLA.eventTag = phba->fc_eventTag; 404 mb->mbxCommand = MBX_CLEAR_LA; 405 mb->mbxOwner = OWN_HOST; 406 return; 407 } 408 409 /** 410 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA 411 * @phba: pointer to lpfc hba data structure. 412 * @pmb: pointer to the driver internal queue element for mailbox command. 413 * 414 * The configure link mailbox command is used before the initialize link 415 * mailbox command to override default value and to configure link-oriented 416 * parameters such as DID address and various timers. Typically, this 417 * command would be used after an F_Port login to set the returned DID address 418 * and the fabric timeout values. This command is not valid before a configure 419 * port command has configured the HBA port. 420 * 421 * This routine prepares the mailbox command for configuring link on a HBA. 422 **/ 423 void 424 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 425 { 426 struct lpfc_vport *vport = phba->pport; 427 MAILBOX_t *mb = &pmb->u.mb; 428 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 429 430 /* NEW_FEATURE 431 * SLI-2, Coalescing Response Feature. 432 */ 433 if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) { 434 mb->un.varCfgLnk.cr = 1; 435 mb->un.varCfgLnk.ci = 1; 436 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; 437 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; 438 } 439 440 mb->un.varCfgLnk.myId = vport->fc_myDID; 441 mb->un.varCfgLnk.edtov = phba->fc_edtov; 442 mb->un.varCfgLnk.arbtov = phba->fc_arbtov; 443 mb->un.varCfgLnk.ratov = phba->fc_ratov; 444 mb->un.varCfgLnk.rttov = phba->fc_rttov; 445 mb->un.varCfgLnk.altov = phba->fc_altov; 446 mb->un.varCfgLnk.crtov = phba->fc_crtov; 447 mb->un.varCfgLnk.cscn = 0; 448 if (phba->bbcredit_support && phba->cfg_enable_bbcr) { 449 mb->un.varCfgLnk.cscn = 1; 450 mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def, 451 &phba->sli4_hba.bbscn_params); 452 } 453 454 if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) 455 mb->un.varCfgLnk.ack0_enable = 1; 456 457 mb->mbxCommand = MBX_CONFIG_LINK; 458 mb->mbxOwner = OWN_HOST; 459 return; 460 } 461 462 /** 463 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x 464 * @phba: pointer to lpfc hba data structure. 465 * @pmb: pointer to the driver internal queue element for mailbox command. 466 * 467 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 468 * MSI-X multi-message interrupt vector association to interrupt attention 469 * conditions. 470 * 471 * Return codes 472 * 0 - Success 473 * -EINVAL - Failure 474 **/ 475 int 476 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 477 { 478 MAILBOX_t *mb = &pmb->u.mb; 479 uint32_t attentionConditions[2]; 480 481 /* Sanity check */ 482 if (phba->cfg_use_msi != 2) { 483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 484 "0475 Not configured for supporting MSI-X " 485 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); 486 return -EINVAL; 487 } 488 489 if (phba->sli_rev < 3) { 490 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 491 "0476 HBA not supporting SLI-3 or later " 492 "SLI Revision: 0x%x\n", phba->sli_rev); 493 return -EINVAL; 494 } 495 496 /* Clear mailbox command fields */ 497 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 498 499 /* 500 * SLI-3, Message Signaled Interrupt Feature. 501 */ 502 503 /* Multi-message attention configuration */ 504 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | 505 HA_LATT | HA_MBATT); 506 attentionConditions[1] = 0; 507 508 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; 509 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; 510 511 /* 512 * Set up message number to HA bit association 513 */ 514 #ifdef __BIG_ENDIAN_BITFIELD 515 /* RA0 (FCP Ring) */ 516 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; 517 /* RA1 (Other Protocol Extra Ring) */ 518 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; 519 #else /* __LITTLE_ENDIAN_BITFIELD */ 520 /* RA0 (FCP Ring) */ 521 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; 522 /* RA1 (Other Protocol Extra Ring) */ 523 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; 524 #endif 525 /* Multi-message interrupt autoclear configuration*/ 526 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; 527 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; 528 529 /* For now, HBA autoclear does not work reliably, disable it */ 530 mb->un.varCfgMSI.autoClearHA[0] = 0; 531 mb->un.varCfgMSI.autoClearHA[1] = 0; 532 533 /* Set command and owner bit */ 534 mb->mbxCommand = MBX_CONFIG_MSI; 535 mb->mbxOwner = OWN_HOST; 536 537 return 0; 538 } 539 540 /** 541 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA 542 * @phba: pointer to lpfc hba data structure. 543 * @pmb: pointer to the driver internal queue element for mailbox command. 544 * @topology: the link topology for the link to be initialized to. 545 * @linkspeed: the link speed for the link to be initialized to. 546 * 547 * The initialize link mailbox command is used to initialize the Fibre 548 * Channel link. This command must follow a configure port command that 549 * establishes the mode of operation. 550 * 551 * This routine prepares the mailbox command for initializing link on a HBA 552 * with the specified link topology and speed. 553 **/ 554 void 555 lpfc_init_link(struct lpfc_hba * phba, 556 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) 557 { 558 lpfc_vpd_t *vpd; 559 MAILBOX_t *mb; 560 561 mb = &pmb->u.mb; 562 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 563 564 switch (topology) { 565 case FLAGS_TOPOLOGY_MODE_LOOP_PT: 566 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 567 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 568 break; 569 case FLAGS_TOPOLOGY_MODE_PT_PT: 570 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 571 break; 572 case FLAGS_TOPOLOGY_MODE_LOOP: 573 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 574 break; 575 case FLAGS_TOPOLOGY_MODE_PT_LOOP: 576 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 577 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 578 break; 579 case FLAGS_LOCAL_LB: 580 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; 581 break; 582 } 583 584 /* Topology handling for ASIC_GEN_NUM 0xC and later */ 585 if ((phba->sli4_hba.pc_sli4_params.sli_family == LPFC_SLI_INTF_FAMILY_G6 || 586 phba->sli4_hba.pc_sli4_params.if_type == LPFC_SLI_INTF_IF_TYPE_6) && 587 !(phba->sli4_hba.pc_sli4_params.pls) && 588 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { 589 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 590 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; 591 } 592 593 /* Enable asynchronous ABTS responses from firmware */ 594 if (phba->sli_rev == LPFC_SLI_REV3 && !phba->cfg_fcp_wait_abts_rsp) 595 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 596 597 /* NEW_FEATURE 598 * Setting up the link speed 599 */ 600 vpd = &phba->vpd; 601 if (vpd->rev.feaLevelHigh >= 0x02){ 602 switch(linkspeed){ 603 case LPFC_USER_LINK_SPEED_1G: 604 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 605 mb->un.varInitLnk.link_speed = LINK_SPEED_1G; 606 break; 607 case LPFC_USER_LINK_SPEED_2G: 608 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 609 mb->un.varInitLnk.link_speed = LINK_SPEED_2G; 610 break; 611 case LPFC_USER_LINK_SPEED_4G: 612 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 613 mb->un.varInitLnk.link_speed = LINK_SPEED_4G; 614 break; 615 case LPFC_USER_LINK_SPEED_8G: 616 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 617 mb->un.varInitLnk.link_speed = LINK_SPEED_8G; 618 break; 619 case LPFC_USER_LINK_SPEED_10G: 620 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 621 mb->un.varInitLnk.link_speed = LINK_SPEED_10G; 622 break; 623 case LPFC_USER_LINK_SPEED_16G: 624 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 625 mb->un.varInitLnk.link_speed = LINK_SPEED_16G; 626 break; 627 case LPFC_USER_LINK_SPEED_32G: 628 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 629 mb->un.varInitLnk.link_speed = LINK_SPEED_32G; 630 break; 631 case LPFC_USER_LINK_SPEED_64G: 632 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; 633 mb->un.varInitLnk.link_speed = LINK_SPEED_64G; 634 break; 635 case LPFC_USER_LINK_SPEED_AUTO: 636 default: 637 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 638 break; 639 } 640 641 } 642 else 643 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 644 645 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 646 mb->mbxOwner = OWN_HOST; 647 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 648 return; 649 } 650 651 /** 652 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters 653 * @phba: pointer to lpfc hba data structure. 654 * @pmb: pointer to the driver internal queue element for mailbox command. 655 * @vpi: virtual N_Port identifier. 656 * 657 * The read service parameter mailbox command is used to read the HBA port 658 * service parameters. The service parameters are read into the buffer 659 * specified directly by a BDE in the mailbox command. These service 660 * parameters may then be used to build the payload of an N_Port/F_POrt 661 * login request and reply (LOGI/ACC). 662 * 663 * This routine prepares the mailbox command for reading HBA port service 664 * parameters. The DMA memory is allocated in this function and the addresses 665 * are populated into the mailbox command for the HBA to DMA the service 666 * parameters into. 667 * 668 * Return codes 669 * 0 - Success 670 * 1 - DMA memory allocation failed 671 **/ 672 int 673 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 674 { 675 struct lpfc_dmabuf *mp; 676 MAILBOX_t *mb; 677 int rc; 678 679 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 680 681 /* Get a buffer to hold the HBAs Service Parameters */ 682 rc = lpfc_mbox_rsrc_prep(phba, pmb); 683 if (rc) { 684 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 685 "0301 READ_SPARAM: no buffers\n"); 686 return 1; 687 } 688 689 mp = pmb->ctx_buf; 690 mb = &pmb->u.mb; 691 mb->mbxOwner = OWN_HOST; 692 mb->mbxCommand = MBX_READ_SPARM64; 693 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 694 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 695 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 696 if (phba->sli_rev >= LPFC_SLI_REV3) 697 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; 698 699 return (0); 700 } 701 702 /** 703 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID 704 * @phba: pointer to lpfc hba data structure. 705 * @vpi: virtual N_Port identifier. 706 * @did: remote port identifier. 707 * @pmb: pointer to the driver internal queue element for mailbox command. 708 * 709 * The unregister DID mailbox command is used to unregister an N_Port/F_Port 710 * login for an unknown RPI by specifying the DID of a remote port. This 711 * command frees an RPI context in the HBA port. This has the effect of 712 * performing an implicit N_Port/F_Port logout. 713 * 714 * This routine prepares the mailbox command for unregistering a remote 715 * N_Port/F_Port (DID) login. 716 **/ 717 void 718 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 719 LPFC_MBOXQ_t * pmb) 720 { 721 MAILBOX_t *mb; 722 723 mb = &pmb->u.mb; 724 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 725 726 mb->un.varUnregDID.did = did; 727 mb->un.varUnregDID.vpi = vpi; 728 if ((vpi != 0xffff) && 729 (phba->sli_rev == LPFC_SLI_REV4)) 730 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; 731 732 mb->mbxCommand = MBX_UNREG_D_ID; 733 mb->mbxOwner = OWN_HOST; 734 return; 735 } 736 737 /** 738 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration 739 * @phba: pointer to lpfc hba data structure. 740 * @pmb: pointer to the driver internal queue element for mailbox command. 741 * 742 * The read configuration mailbox command is used to read the HBA port 743 * configuration parameters. This mailbox command provides a method for 744 * seeing any parameters that may have changed via various configuration 745 * mailbox commands. 746 * 747 * This routine prepares the mailbox command for reading out HBA configuration 748 * parameters. 749 **/ 750 void 751 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 752 { 753 MAILBOX_t *mb; 754 755 mb = &pmb->u.mb; 756 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 757 758 mb->mbxCommand = MBX_READ_CONFIG; 759 mb->mbxOwner = OWN_HOST; 760 return; 761 } 762 763 /** 764 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats 765 * @phba: pointer to lpfc hba data structure. 766 * @pmb: pointer to the driver internal queue element for mailbox command. 767 * 768 * The read link status mailbox command is used to read the link status from 769 * the HBA. Link status includes all link-related error counters. These 770 * counters are maintained by the HBA and originated in the link hardware 771 * unit. Note that all of these counters wrap. 772 * 773 * This routine prepares the mailbox command for reading out HBA link status. 774 **/ 775 void 776 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 777 { 778 MAILBOX_t *mb; 779 780 mb = &pmb->u.mb; 781 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 782 783 mb->mbxCommand = MBX_READ_LNK_STAT; 784 mb->mbxOwner = OWN_HOST; 785 return; 786 } 787 788 /** 789 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login 790 * @phba: pointer to lpfc hba data structure. 791 * @vpi: virtual N_Port identifier. 792 * @did: remote port identifier. 793 * @param: pointer to memory holding the server parameters. 794 * @pmb: pointer to the driver internal queue element for mailbox command. 795 * @rpi: the rpi to use in the registration (usually only used for SLI4. 796 * 797 * The registration login mailbox command is used to register an N_Port or 798 * F_Port login. This registration allows the HBA to cache the remote N_Port 799 * service parameters internally and thereby make the appropriate FC-2 800 * decisions. The remote port service parameters are handed off by the driver 801 * to the HBA using a descriptor entry that directly identifies a buffer in 802 * host memory. In exchange, the HBA returns an RPI identifier. 803 * 804 * This routine prepares the mailbox command for registering remote port login. 805 * The function allocates DMA buffer for passing the service parameters to the 806 * HBA with the mailbox command. 807 * 808 * Return codes 809 * 0 - Success 810 * 1 - DMA memory allocation failed 811 **/ 812 int 813 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 814 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) 815 { 816 MAILBOX_t *mb = &pmb->u.mb; 817 uint8_t *sparam; 818 struct lpfc_dmabuf *mp; 819 int rc; 820 821 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 822 823 mb->un.varRegLogin.rpi = 0; 824 if (phba->sli_rev == LPFC_SLI_REV4) 825 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; 826 if (phba->sli_rev >= LPFC_SLI_REV3) 827 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; 828 mb->un.varRegLogin.did = did; 829 mb->mbxOwner = OWN_HOST; 830 831 /* Get a buffer to hold NPorts Service Parameters */ 832 rc = lpfc_mbox_rsrc_prep(phba, pmb); 833 if (rc) { 834 mb->mbxCommand = MBX_REG_LOGIN64; 835 /* REG_LOGIN: no buffers */ 836 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 837 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 838 "rpi x%x\n", vpi, did, rpi); 839 return 1; 840 } 841 842 /* Copy param's into a new buffer */ 843 mp = pmb->ctx_buf; 844 sparam = mp->virt; 845 memcpy(sparam, param, sizeof (struct serv_parm)); 846 847 /* Finish initializing the mailbox. */ 848 mb->mbxCommand = MBX_REG_LOGIN64; 849 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 850 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 851 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 852 853 return 0; 854 } 855 856 /** 857 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login 858 * @phba: pointer to lpfc hba data structure. 859 * @vpi: virtual N_Port identifier. 860 * @rpi: remote port identifier 861 * @pmb: pointer to the driver internal queue element for mailbox command. 862 * 863 * The unregistration login mailbox command is used to unregister an N_Port 864 * or F_Port login. This command frees an RPI context in the HBA. It has the 865 * effect of performing an implicit N_Port/F_Port logout. 866 * 867 * This routine prepares the mailbox command for unregistering remote port 868 * login. 869 * 870 * For SLI4 ports, the rpi passed to this function must be the physical 871 * rpi value, not the logical index. 872 **/ 873 void 874 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 875 LPFC_MBOXQ_t * pmb) 876 { 877 MAILBOX_t *mb; 878 879 mb = &pmb->u.mb; 880 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 881 882 mb->un.varUnregLogin.rpi = rpi; 883 mb->un.varUnregLogin.rsvd1 = 0; 884 if (phba->sli_rev >= LPFC_SLI_REV3) 885 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; 886 887 mb->mbxCommand = MBX_UNREG_LOGIN; 888 mb->mbxOwner = OWN_HOST; 889 890 return; 891 } 892 893 /** 894 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. 895 * @vport: pointer to a vport object. 896 * 897 * This routine sends mailbox command to unregister all active RPIs for 898 * a vport. 899 **/ 900 void 901 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) 902 { 903 struct lpfc_hba *phba = vport->phba; 904 LPFC_MBOXQ_t *mbox; 905 int rc; 906 907 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 908 if (mbox) { 909 /* 910 * For SLI4 functions, the rpi field is overloaded for 911 * the vport context unreg all. This routine passes 912 * 0 for the rpi field in lpfc_unreg_login for compatibility 913 * with SLI3 and then overrides the rpi field with the 914 * expected value for SLI4. 915 */ 916 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], 917 mbox); 918 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; 919 mbox->vport = vport; 920 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 921 mbox->ctx_ndlp = NULL; 922 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 923 if (rc == MBX_NOT_FINISHED) 924 mempool_free(mbox, phba->mbox_mem_pool); 925 } 926 } 927 928 /** 929 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier 930 * @vport: pointer to a vport object. 931 * @pmb: pointer to the driver internal queue element for mailbox command. 932 * 933 * The registration vport identifier mailbox command is used to activate a 934 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 935 * N_Port_ID against the information in the selected virtual N_Port context 936 * block and marks it active to allow normal processing of IOCB commands and 937 * received unsolicited exchanges. 938 * 939 * This routine prepares the mailbox command for registering a virtual N_Port. 940 **/ 941 void 942 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) 943 { 944 MAILBOX_t *mb = &pmb->u.mb; 945 struct lpfc_hba *phba = vport->phba; 946 947 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 948 /* 949 * Set the re-reg VPI bit for f/w to update the MAC address. 950 */ 951 if ((phba->sli_rev == LPFC_SLI_REV4) && 952 !test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) 953 mb->un.varRegVpi.upd = 1; 954 955 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; 956 mb->un.varRegVpi.sid = vport->fc_myDID; 957 if (phba->sli_rev == LPFC_SLI_REV4) 958 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; 959 else 960 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; 961 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, 962 sizeof(struct lpfc_name)); 963 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); 964 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); 965 966 mb->mbxCommand = MBX_REG_VPI; 967 mb->mbxOwner = OWN_HOST; 968 return; 969 970 } 971 972 /** 973 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id 974 * @phba: pointer to lpfc hba data structure. 975 * @vpi: virtual N_Port identifier. 976 * @pmb: pointer to the driver internal queue element for mailbox command. 977 * 978 * The unregistration vport identifier mailbox command is used to inactivate 979 * a virtual N_Port. The driver must have logged out and unregistered all 980 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 981 * unregisters any default RPIs associated with the specified vpi, aborting 982 * any active exchanges. The HBA will post the mailbox response after making 983 * the virtual N_Port inactive. 984 * 985 * This routine prepares the mailbox command for unregistering a virtual 986 * N_Port. 987 **/ 988 void 989 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 990 { 991 MAILBOX_t *mb = &pmb->u.mb; 992 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 993 994 if (phba->sli_rev == LPFC_SLI_REV3) 995 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; 996 else if (phba->sli_rev >= LPFC_SLI_REV4) 997 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; 998 999 mb->mbxCommand = MBX_UNREG_VPI; 1000 mb->mbxOwner = OWN_HOST; 1001 return; 1002 1003 } 1004 1005 /** 1006 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) 1007 * @phba: pointer to lpfc hba data structure. 1008 * 1009 * This routine sets up and initializes the IOCB rings in the Port Control 1010 * Block (PCB). 1011 **/ 1012 static void 1013 lpfc_config_pcb_setup(struct lpfc_hba * phba) 1014 { 1015 struct lpfc_sli *psli = &phba->sli; 1016 struct lpfc_sli_ring *pring; 1017 PCB_t *pcbp = phba->pcb; 1018 dma_addr_t pdma_addr; 1019 uint32_t offset; 1020 uint32_t iocbCnt = 0; 1021 int i; 1022 1023 pcbp->maxRing = (psli->num_rings - 1); 1024 1025 for (i = 0; i < psli->num_rings; i++) { 1026 pring = &psli->sli3_ring[i]; 1027 1028 pring->sli.sli3.sizeCiocb = 1029 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : 1030 SLI2_IOCB_CMD_SIZE; 1031 pring->sli.sli3.sizeRiocb = 1032 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : 1033 SLI2_IOCB_RSP_SIZE; 1034 /* A ring MUST have both cmd and rsp entries defined to be 1035 valid */ 1036 if ((pring->sli.sli3.numCiocb == 0) || 1037 (pring->sli.sli3.numRiocb == 0)) { 1038 pcbp->rdsc[i].cmdEntries = 0; 1039 pcbp->rdsc[i].rspEntries = 0; 1040 pcbp->rdsc[i].cmdAddrHigh = 0; 1041 pcbp->rdsc[i].rspAddrHigh = 0; 1042 pcbp->rdsc[i].cmdAddrLow = 0; 1043 pcbp->rdsc[i].rspAddrLow = 0; 1044 pring->sli.sli3.cmdringaddr = NULL; 1045 pring->sli.sli3.rspringaddr = NULL; 1046 continue; 1047 } 1048 /* Command ring setup for ring */ 1049 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 1050 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; 1051 1052 offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 1053 (uint8_t *) phba->slim2p.virt; 1054 pdma_addr = phba->slim2p.phys + offset; 1055 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 1056 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 1057 iocbCnt += pring->sli.sli3.numCiocb; 1058 1059 /* Response ring setup for ring */ 1060 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 1061 1062 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; 1063 offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 1064 (uint8_t *)phba->slim2p.virt; 1065 pdma_addr = phba->slim2p.phys + offset; 1066 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 1067 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 1068 iocbCnt += pring->sli.sli3.numRiocb; 1069 } 1070 } 1071 1072 /** 1073 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision 1074 * @phba: pointer to lpfc hba data structure. 1075 * @pmb: pointer to the driver internal queue element for mailbox command. 1076 * 1077 * The read revision mailbox command is used to read the revision levels of 1078 * the HBA components. These components include hardware units, resident 1079 * firmware, and available firmware. HBAs that supports SLI-3 mode of 1080 * operation provide different response information depending on the version 1081 * requested by the driver. 1082 * 1083 * This routine prepares the mailbox command for reading HBA revision 1084 * information. 1085 **/ 1086 void 1087 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1088 { 1089 MAILBOX_t *mb = &pmb->u.mb; 1090 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1091 mb->un.varRdRev.cv = 1; 1092 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 1093 mb->mbxCommand = MBX_READ_REV; 1094 mb->mbxOwner = OWN_HOST; 1095 return; 1096 } 1097 1098 void 1099 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1100 { 1101 MAILBOX_t *mb = &pmb->u.mb; 1102 struct lpfc_mqe *mqe; 1103 1104 switch (mb->mbxCommand) { 1105 case MBX_READ_REV: 1106 mqe = &pmb->u.mqe; 1107 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, 1108 mqe->un.read_rev.fw_name, 16); 1109 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, 1110 mqe->un.read_rev.ulp_fw_name, 16); 1111 break; 1112 default: 1113 break; 1114 } 1115 return; 1116 } 1117 1118 /** 1119 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 1120 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1121 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1122 * 1123 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 1124 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 1125 * the Sequence Length Test using the fields in the Selection Profile 2 1126 * extension in words 20:31. 1127 **/ 1128 static void 1129 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 1130 struct lpfc_hbq_init *hbq_desc) 1131 { 1132 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 1133 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 1134 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 1135 } 1136 1137 /** 1138 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 1139 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1140 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1141 * 1142 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 1143 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 1144 * the Sequence Length Test and Byte Field Test using the fields in the 1145 * Selection Profile 3 extension in words 20:31. 1146 **/ 1147 static void 1148 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 1149 struct lpfc_hbq_init *hbq_desc) 1150 { 1151 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 1152 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 1153 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 1154 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 1155 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 1156 sizeof(hbqmb->profiles.profile3.cmdmatch)); 1157 } 1158 1159 /** 1160 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 1161 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 1162 * @hbq_desc: pointer to the HBQ selection profile descriptor. 1163 * 1164 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 1165 * HBA tests the initial frame of an incoming sequence using the frame's 1166 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 1167 * and Byte Field Test using the fields in the Selection Profile 5 extension 1168 * words 20:31. 1169 **/ 1170 static void 1171 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 1172 struct lpfc_hbq_init *hbq_desc) 1173 { 1174 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 1175 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 1176 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 1177 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 1178 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 1179 sizeof(hbqmb->profiles.profile5.cmdmatch)); 1180 } 1181 1182 /** 1183 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ 1184 * @phba: pointer to lpfc hba data structure. 1185 * @id: HBQ identifier. 1186 * @hbq_desc: pointer to the HBA descriptor data structure. 1187 * @hbq_entry_index: index of the HBQ entry data structures. 1188 * @pmb: pointer to the driver internal queue element for mailbox command. 1189 * 1190 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 1191 * an HBQ. The configuration binds events that require buffers to a particular 1192 * ring and HBQ based on a selection profile. 1193 * 1194 * This routine prepares the mailbox command for configuring an HBQ. 1195 **/ 1196 void 1197 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 1198 struct lpfc_hbq_init *hbq_desc, 1199 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 1200 { 1201 int i; 1202 MAILBOX_t *mb = &pmb->u.mb; 1203 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 1204 1205 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1206 hbqmb->hbqId = id; 1207 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 1208 hbqmb->recvNotify = hbq_desc->rn; /* Receive 1209 * Notification */ 1210 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 1211 * # in words 0-19 */ 1212 hbqmb->profile = hbq_desc->profile; /* Selection profile: 1213 * 0 = all, 1214 * 7 = logentry */ 1215 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 1216 * e.g. Ring0=b0001, 1217 * ring2=b0100 */ 1218 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 1219 * or 5 */ 1220 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 1221 * HBQ will be used 1222 * for LogEntry 1223 * buffers */ 1224 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 1225 hbq_entry_index * sizeof(struct lpfc_hbq_entry); 1226 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 1227 1228 mb->mbxCommand = MBX_CONFIG_HBQ; 1229 mb->mbxOwner = OWN_HOST; 1230 1231 /* Copy info for profiles 2,3,5. Other 1232 * profiles this area is reserved 1233 */ 1234 if (hbq_desc->profile == 2) 1235 lpfc_build_hbq_profile2(hbqmb, hbq_desc); 1236 else if (hbq_desc->profile == 3) 1237 lpfc_build_hbq_profile3(hbqmb, hbq_desc); 1238 else if (hbq_desc->profile == 5) 1239 lpfc_build_hbq_profile5(hbqmb, hbq_desc); 1240 1241 /* Return if no rctl / type masks for this HBQ */ 1242 if (!hbq_desc->mask_count) 1243 return; 1244 1245 /* Otherwise we setup specific rctl / type masks for this HBQ */ 1246 for (i = 0; i < hbq_desc->mask_count; i++) { 1247 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 1248 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 1249 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 1250 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 1251 } 1252 1253 return; 1254 } 1255 1256 /** 1257 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring 1258 * @phba: pointer to lpfc hba data structure. 1259 * @ring: ring number/index 1260 * @pmb: pointer to the driver internal queue element for mailbox command. 1261 * 1262 * The configure ring mailbox command is used to configure an IOCB ring. This 1263 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1264 * ring. This is used to map incoming sequences to a particular ring whose 1265 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1266 * attempt to configure a ring whose number is greater than the number 1267 * specified in the Port Control Block (PCB). It is an error to issue the 1268 * configure ring command more than once with the same ring number. The HBA 1269 * returns an error if the driver attempts this. 1270 * 1271 * This routine prepares the mailbox command for configuring IOCB ring. 1272 **/ 1273 void 1274 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1275 { 1276 int i; 1277 MAILBOX_t *mb = &pmb->u.mb; 1278 struct lpfc_sli *psli; 1279 struct lpfc_sli_ring *pring; 1280 1281 memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1282 1283 mb->un.varCfgRing.ring = ring; 1284 mb->un.varCfgRing.maxOrigXchg = 0; 1285 mb->un.varCfgRing.maxRespXchg = 0; 1286 mb->un.varCfgRing.recvNotify = 1; 1287 1288 psli = &phba->sli; 1289 pring = &psli->sli3_ring[ring]; 1290 mb->un.varCfgRing.numMask = pring->num_mask; 1291 mb->mbxCommand = MBX_CONFIG_RING; 1292 mb->mbxOwner = OWN_HOST; 1293 1294 /* Is this ring configured for a specific profile */ 1295 if (pring->prt[0].profile) { 1296 mb->un.varCfgRing.profile = pring->prt[0].profile; 1297 return; 1298 } 1299 1300 /* Otherwise we setup specific rctl / type masks for this ring */ 1301 for (i = 0; i < pring->num_mask; i++) { 1302 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1303 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) 1304 mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1305 else 1306 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1307 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1308 mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1309 } 1310 1311 return; 1312 } 1313 1314 /** 1315 * lpfc_config_port - Prepare a mailbox command for configuring port 1316 * @phba: pointer to lpfc hba data structure. 1317 * @pmb: pointer to the driver internal queue element for mailbox command. 1318 * 1319 * The configure port mailbox command is used to identify the Port Control 1320 * Block (PCB) in the driver memory. After this command is issued, the 1321 * driver must not access the mailbox in the HBA without first resetting 1322 * the HBA. The HBA may copy the PCB information to internal storage for 1323 * subsequent use; the driver can not change the PCB information unless it 1324 * resets the HBA. 1325 * 1326 * This routine prepares the mailbox command for configuring port. 1327 **/ 1328 void 1329 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1330 { 1331 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1332 MAILBOX_t *mb = &pmb->u.mb; 1333 dma_addr_t pdma_addr; 1334 uint32_t bar_low, bar_high; 1335 size_t offset; 1336 struct lpfc_hgp hgp; 1337 int i; 1338 uint32_t pgp_offset; 1339 1340 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1341 mb->mbxCommand = MBX_CONFIG_PORT; 1342 mb->mbxOwner = OWN_HOST; 1343 1344 mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1345 1346 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 1347 pdma_addr = phba->slim2p.phys + offset; 1348 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1349 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1350 1351 /* Always Host Group Pointer is in SLIM */ 1352 mb->un.varCfgPort.hps = 1; 1353 1354 /* If HBA supports SLI=3 ask for it */ 1355 1356 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { 1357 if (phba->cfg_enable_bg) 1358 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1359 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 1360 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 1361 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 1362 if (phba->max_vpi && phba->cfg_enable_npiv && 1363 phba->vpd.sli3Feat.cmv) { 1364 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; 1365 mb->un.varCfgPort.cmv = 1; 1366 } else 1367 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 1368 } else 1369 phba->sli_rev = LPFC_SLI_REV2; 1370 mb->un.varCfgPort.sli_mode = phba->sli_rev; 1371 1372 /* If this is an SLI3 port, configure async status notification. */ 1373 if (phba->sli_rev == LPFC_SLI_REV3) 1374 mb->un.varCfgPort.casabt = 1; 1375 1376 /* Now setup pcb */ 1377 phba->pcb->type = TYPE_NATIVE_SLI2; 1378 phba->pcb->feature = FEATURE_INITIAL_SLI2; 1379 1380 /* Setup Mailbox pointers */ 1381 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; 1382 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 1383 pdma_addr = phba->slim2p.phys + offset; 1384 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 1385 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1386 1387 /* 1388 * Setup Host Group ring pointer. 1389 * 1390 * For efficiency reasons, the ring get/put pointers can be 1391 * placed in adapter memory (SLIM) rather than in host memory. 1392 * This allows firmware to avoid PCI reads/writes when updating 1393 * and checking pointers. 1394 * 1395 * The firmware recognizes the use of SLIM memory by comparing 1396 * the address of the get/put pointers structure with that of 1397 * the SLIM BAR (BAR0). 1398 * 1399 * Caution: be sure to use the PCI config space value of BAR0/BAR1 1400 * (the hardware's view of the base address), not the OS's 1401 * value of pci_resource_start() as the OS value may be a cookie 1402 * for ioremap/iomap. 1403 */ 1404 1405 1406 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1407 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1408 1409 /* 1410 * Set up HGP - Port Memory 1411 * 1412 * The port expects the host get/put pointers to reside in memory 1413 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1414 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1415 * words (0x40 bytes). This area is not reserved if HBQs are 1416 * configured in SLI-3. 1417 * 1418 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1419 * RR0Get 0xc4 0x84 1420 * CR1Put 0xc8 0x88 1421 * RR1Get 0xcc 0x8c 1422 * CR2Put 0xd0 0x90 1423 * RR2Get 0xd4 0x94 1424 * CR3Put 0xd8 0x98 1425 * RR3Get 0xdc 0x9c 1426 * 1427 * Reserved 0xa0-0xbf 1428 * If HBQs configured: 1429 * HBQ 0 Put ptr 0xc0 1430 * HBQ 1 Put ptr 0xc4 1431 * HBQ 2 Put ptr 0xc8 1432 * ...... 1433 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1434 * 1435 */ 1436 1437 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { 1438 phba->host_gp = (struct lpfc_hgp __iomem *) 1439 &phba->mbox->us.s2.host[0]; 1440 phba->hbq_put = NULL; 1441 offset = (uint8_t *)&phba->mbox->us.s2.host - 1442 (uint8_t *)phba->slim2p.virt; 1443 pdma_addr = phba->slim2p.phys + offset; 1444 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); 1445 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); 1446 } else { 1447 /* Always Host Group Pointer is in SLIM */ 1448 mb->un.varCfgPort.hps = 1; 1449 1450 if (phba->sli_rev == 3) { 1451 phba->host_gp = &mb_slim->us.s3.host[0]; 1452 phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1453 } else { 1454 phba->host_gp = &mb_slim->us.s2.host[0]; 1455 phba->hbq_put = NULL; 1456 } 1457 1458 /* mask off BAR0's flag bits 0 - 3 */ 1459 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1460 (void __iomem *)phba->host_gp - 1461 (void __iomem *)phba->MBslimaddr; 1462 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 1463 phba->pcb->hgpAddrHigh = bar_high; 1464 else 1465 phba->pcb->hgpAddrHigh = 0; 1466 /* write HGP data to SLIM at the required longword offset */ 1467 memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1468 1469 for (i = 0; i < phba->sli.num_rings; i++) { 1470 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1471 sizeof(*phba->host_gp)); 1472 } 1473 } 1474 1475 /* Setup Port Group offset */ 1476 if (phba->sli_rev == 3) 1477 pgp_offset = offsetof(struct lpfc_sli2_slim, 1478 mbx.us.s3_pgp.port); 1479 else 1480 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 1481 pdma_addr = phba->slim2p.phys + pgp_offset; 1482 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 1483 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1484 1485 /* Use callback routine to setp rings in the pcb */ 1486 lpfc_config_pcb_setup(phba); 1487 1488 /* special handling for LC HBAs */ 1489 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1490 uint32_t hbainit[5]; 1491 1492 lpfc_hba_init(phba, hbainit); 1493 1494 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1495 } 1496 1497 /* Swap PCB if needed */ 1498 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1499 } 1500 1501 /** 1502 * lpfc_kill_board - Prepare a mailbox command for killing board 1503 * @phba: pointer to lpfc hba data structure. 1504 * @pmb: pointer to the driver internal queue element for mailbox command. 1505 * 1506 * The kill board mailbox command is used to tell firmware to perform a 1507 * graceful shutdown of a channel on a specified board to prepare for reset. 1508 * When the kill board mailbox command is received, the ER3 bit is set to 1 1509 * in the Host Status register and the ER Attention bit is set to 1 in the 1510 * Host Attention register of the HBA function that received the kill board 1511 * command. 1512 * 1513 * This routine prepares the mailbox command for killing the board in 1514 * preparation for a graceful shutdown. 1515 **/ 1516 void 1517 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 1518 { 1519 MAILBOX_t *mb = &pmb->u.mb; 1520 1521 memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1522 mb->mbxCommand = MBX_KILL_BOARD; 1523 mb->mbxOwner = OWN_HOST; 1524 return; 1525 } 1526 1527 /** 1528 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue 1529 * @phba: pointer to lpfc hba data structure. 1530 * @mbq: pointer to the driver internal queue element for mailbox command. 1531 * 1532 * Driver maintains a internal mailbox command queue implemented as a linked 1533 * list. When a mailbox command is issued, it shall be put into the mailbox 1534 * command queue such that they shall be processed orderly as HBA can process 1535 * one mailbox command at a time. 1536 **/ 1537 void 1538 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1539 { 1540 struct lpfc_sli *psli; 1541 1542 psli = &phba->sli; 1543 1544 list_add_tail(&mbq->list, &psli->mboxq); 1545 1546 psli->mboxq_cnt++; 1547 1548 return; 1549 } 1550 1551 /** 1552 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue 1553 * @phba: pointer to lpfc hba data structure. 1554 * 1555 * Driver maintains a internal mailbox command queue implemented as a linked 1556 * list. When a mailbox command is issued, it shall be put into the mailbox 1557 * command queue such that they shall be processed orderly as HBA can process 1558 * one mailbox command at a time. After HBA finished processing a mailbox 1559 * command, the driver will remove a pending mailbox command from the head of 1560 * the mailbox command queue and send to the HBA for processing. 1561 * 1562 * Return codes 1563 * pointer to the driver internal queue element for mailbox command. 1564 **/ 1565 LPFC_MBOXQ_t * 1566 lpfc_mbox_get(struct lpfc_hba * phba) 1567 { 1568 LPFC_MBOXQ_t *mbq = NULL; 1569 struct lpfc_sli *psli = &phba->sli; 1570 1571 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 1572 if (mbq) 1573 psli->mboxq_cnt--; 1574 1575 return mbq; 1576 } 1577 1578 /** 1579 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list 1580 * @phba: pointer to lpfc hba data structure. 1581 * @mbq: pointer to the driver internal queue element for mailbox command. 1582 * 1583 * This routine put the completed mailbox command into the mailbox command 1584 * complete list. This is the unlocked version of the routine. The mailbox 1585 * complete list is used by the driver worker thread to process mailbox 1586 * complete callback functions outside the driver interrupt handler. 1587 **/ 1588 void 1589 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1590 { 1591 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 1592 } 1593 1594 /** 1595 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list 1596 * @phba: pointer to lpfc hba data structure. 1597 * @mbq: pointer to the driver internal queue element for mailbox command. 1598 * 1599 * This routine put the completed mailbox command into the mailbox command 1600 * complete list. This is the locked version of the routine. The mailbox 1601 * complete list is used by the driver worker thread to process mailbox 1602 * complete callback functions outside the driver interrupt handler. 1603 **/ 1604 void 1605 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) 1606 { 1607 unsigned long iflag; 1608 1609 /* This function expects to be called from interrupt context */ 1610 spin_lock_irqsave(&phba->hbalock, iflag); 1611 __lpfc_mbox_cmpl_put(phba, mbq); 1612 spin_unlock_irqrestore(&phba->hbalock, iflag); 1613 return; 1614 } 1615 1616 /** 1617 * lpfc_mbox_cmd_check - Check the validality of a mailbox command 1618 * @phba: pointer to lpfc hba data structure. 1619 * @mboxq: pointer to the driver internal queue element for mailbox command. 1620 * 1621 * This routine is to check whether a mailbox command is valid to be issued. 1622 * This check will be performed by both the mailbox issue API when a client 1623 * is to issue a mailbox command to the mailbox transport. 1624 * 1625 * Return 0 - pass the check, -ENODEV - fail the check 1626 **/ 1627 int 1628 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1629 { 1630 /* Mailbox command that have a completion handler must also have a 1631 * vport specified. 1632 */ 1633 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && 1634 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { 1635 if (!mboxq->vport) { 1636 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, 1637 "1814 Mbox x%x failed, no vport\n", 1638 mboxq->u.mb.mbxCommand); 1639 dump_stack(); 1640 return -ENODEV; 1641 } 1642 } 1643 return 0; 1644 } 1645 1646 /** 1647 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command 1648 * @phba: pointer to lpfc hba data structure. 1649 * 1650 * This routine is to check whether the HBA device is ready for posting a 1651 * mailbox command. It is used by the mailbox transport API at the time the 1652 * to post a mailbox command to the device. 1653 * 1654 * Return 0 - pass the check, -ENODEV - fail the check 1655 **/ 1656 int 1657 lpfc_mbox_dev_check(struct lpfc_hba *phba) 1658 { 1659 /* If the PCI channel is in offline state, do not issue mbox */ 1660 if (unlikely(pci_channel_offline(phba->pcidev))) 1661 return -ENODEV; 1662 1663 /* If the HBA is in error state, do not issue mbox */ 1664 if (phba->link_state == LPFC_HBA_ERROR) 1665 return -ENODEV; 1666 1667 return 0; 1668 } 1669 1670 /** 1671 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value 1672 * @phba: pointer to lpfc hba data structure. 1673 * @mboxq: pointer to the driver internal queue element for mailbox command. 1674 * 1675 * This routine retrieves the proper timeout value according to the mailbox 1676 * command code. 1677 * 1678 * Return codes 1679 * Timeout value to be used for the given mailbox command 1680 **/ 1681 int 1682 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 1683 { 1684 MAILBOX_t *mbox = &mboxq->u.mb; 1685 uint8_t subsys, opcode; 1686 1687 switch (mbox->mbxCommand) { 1688 case MBX_WRITE_NV: /* 0x03 */ 1689 case MBX_DUMP_MEMORY: /* 0x17 */ 1690 case MBX_UPDATE_CFG: /* 0x1B */ 1691 case MBX_DOWN_LOAD: /* 0x1C */ 1692 case MBX_DEL_LD_ENTRY: /* 0x1D */ 1693 case MBX_WRITE_VPARMS: /* 0x32 */ 1694 case MBX_LOAD_AREA: /* 0x81 */ 1695 case MBX_WRITE_WWN: /* 0x98 */ 1696 case MBX_LOAD_EXP_ROM: /* 0x9C */ 1697 case MBX_ACCESS_VDATA: /* 0xA5 */ 1698 return LPFC_MBOX_TMO_FLASH_CMD; 1699 case MBX_SLI4_CONFIG: /* 0x9b */ 1700 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); 1701 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); 1702 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { 1703 switch (opcode) { 1704 case LPFC_MBOX_OPCODE_READ_OBJECT: 1705 case LPFC_MBOX_OPCODE_WRITE_OBJECT: 1706 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: 1707 case LPFC_MBOX_OPCODE_DELETE_OBJECT: 1708 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: 1709 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: 1710 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: 1711 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: 1712 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: 1713 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: 1714 case LPFC_MBOX_OPCODE_SEND_ACTIVATION: 1715 case LPFC_MBOX_OPCODE_RESET_LICENSES: 1716 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: 1717 case LPFC_MBOX_OPCODE_GET_VPD_DATA: 1718 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: 1719 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1720 } 1721 } 1722 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { 1723 switch (opcode) { 1724 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: 1725 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; 1726 } 1727 } 1728 return LPFC_MBOX_SLI4_CONFIG_TMO; 1729 } 1730 return LPFC_MBOX_TMO; 1731 } 1732 1733 /** 1734 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command 1735 * @mbox: pointer to lpfc mbox command. 1736 * @sgentry: sge entry index. 1737 * @phyaddr: physical address for the sge 1738 * @length: Length of the sge. 1739 * 1740 * This routine sets up an entry in the non-embedded mailbox command at the sge 1741 * index location. 1742 **/ 1743 void 1744 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, 1745 dma_addr_t phyaddr, uint32_t length) 1746 { 1747 struct lpfc_mbx_nembed_cmd *nembed_sge; 1748 1749 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1750 &mbox->u.mqe.un.nembed_cmd; 1751 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); 1752 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); 1753 nembed_sge->sge[sgentry].length = length; 1754 } 1755 1756 /** 1757 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command 1758 * @mbox: pointer to lpfc mbox command. 1759 * @sgentry: sge entry index. 1760 * @sge: pointer to lpfc mailbox sge to load into. 1761 * 1762 * This routine gets an entry from the non-embedded mailbox command at the sge 1763 * index location. 1764 **/ 1765 void 1766 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, 1767 struct lpfc_mbx_sge *sge) 1768 { 1769 struct lpfc_mbx_nembed_cmd *nembed_sge; 1770 1771 nembed_sge = (struct lpfc_mbx_nembed_cmd *) 1772 &mbox->u.mqe.un.nembed_cmd; 1773 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; 1774 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; 1775 sge->length = nembed_sge->sge[sgentry].length; 1776 } 1777 1778 /** 1779 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command 1780 * @phba: pointer to lpfc hba data structure. 1781 * @mbox: pointer to lpfc mbox command. 1782 * 1783 * This routine cleans up and releases an SLI4 mailbox command that was 1784 * configured using lpfc_sli4_config. It accounts for the embedded and 1785 * non-embedded config types. 1786 **/ 1787 void 1788 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 1789 { 1790 struct lpfc_mbx_sli4_config *sli4_cfg; 1791 struct lpfc_mbx_sge sge; 1792 dma_addr_t phyaddr; 1793 uint32_t sgecount, sgentry; 1794 1795 sli4_cfg = &mbox->u.mqe.un.sli4_config; 1796 1797 /* For embedded mbox command, just free the mbox command */ 1798 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 1799 mempool_free(mbox, phba->mbox_mem_pool); 1800 return; 1801 } 1802 1803 /* For non-embedded mbox command, we need to free the pages first */ 1804 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); 1805 /* There is nothing we can do if there is no sge address array */ 1806 if (unlikely(!mbox->sge_array)) { 1807 mempool_free(mbox, phba->mbox_mem_pool); 1808 return; 1809 } 1810 /* Each non-embedded DMA memory was allocated in the length of a page */ 1811 for (sgentry = 0; sgentry < sgecount; sgentry++) { 1812 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); 1813 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); 1814 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 1815 mbox->sge_array->addr[sgentry], phyaddr); 1816 } 1817 /* Reinitialize the context pointers to avoid stale usage. */ 1818 mbox->ctx_buf = NULL; 1819 mbox->context3 = NULL; 1820 kfree(mbox->sge_array); 1821 /* Finally, free the mailbox command itself */ 1822 mempool_free(mbox, phba->mbox_mem_pool); 1823 } 1824 1825 /** 1826 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command 1827 * @phba: pointer to lpfc hba data structure. 1828 * @mbox: pointer to lpfc mbox command. 1829 * @subsystem: The sli4 config sub mailbox subsystem. 1830 * @opcode: The sli4 config sub mailbox command opcode. 1831 * @length: Length of the sli4 config mailbox command (including sub-header). 1832 * @emb: True if embedded mbox command should be setup. 1833 * 1834 * This routine sets up the header fields of SLI4 specific mailbox command 1835 * for sending IOCTL command. 1836 * 1837 * Return: the actual length of the mbox command allocated (mostly useful 1838 * for none embedded mailbox command). 1839 **/ 1840 int 1841 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1842 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) 1843 { 1844 struct lpfc_mbx_sli4_config *sli4_config; 1845 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; 1846 uint32_t alloc_len; 1847 uint32_t resid_len; 1848 uint32_t pagen, pcount; 1849 void *viraddr; 1850 dma_addr_t phyaddr; 1851 1852 /* Set up SLI4 mailbox command header fields */ 1853 memset(mbox, 0, sizeof(*mbox)); 1854 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); 1855 1856 /* Set up SLI4 ioctl command header fields */ 1857 sli4_config = &mbox->u.mqe.un.sli4_config; 1858 1859 /* Setup for the embedded mbox command */ 1860 if (emb) { 1861 /* Set up main header fields */ 1862 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); 1863 sli4_config->header.cfg_mhdr.payload_length = length; 1864 /* Set up sub-header fields following main header */ 1865 bf_set(lpfc_mbox_hdr_opcode, 1866 &sli4_config->header.cfg_shdr.request, opcode); 1867 bf_set(lpfc_mbox_hdr_subsystem, 1868 &sli4_config->header.cfg_shdr.request, subsystem); 1869 sli4_config->header.cfg_shdr.request.request_length = 1870 length - LPFC_MBX_CMD_HDR_LENGTH; 1871 return length; 1872 } 1873 1874 /* Setup for the non-embedded mbox command */ 1875 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; 1876 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? 1877 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; 1878 /* Allocate record for keeping SGE virtual addresses */ 1879 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), 1880 GFP_KERNEL); 1881 if (!mbox->sge_array) { 1882 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1883 "2527 Failed to allocate non-embedded SGE " 1884 "array.\n"); 1885 return 0; 1886 } 1887 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { 1888 /* The DMA memory is always allocated in the length of a 1889 * page even though the last SGE might not fill up to a 1890 * page, this is used as a priori size of SLI4_PAGE_SIZE for 1891 * the later DMA memory free. 1892 */ 1893 viraddr = dma_alloc_coherent(&phba->pcidev->dev, 1894 SLI4_PAGE_SIZE, &phyaddr, 1895 GFP_KERNEL); 1896 /* In case of malloc fails, proceed with whatever we have */ 1897 if (!viraddr) 1898 break; 1899 mbox->sge_array->addr[pagen] = viraddr; 1900 /* Keep the first page for later sub-header construction */ 1901 if (pagen == 0) 1902 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; 1903 resid_len = length - alloc_len; 1904 if (resid_len > SLI4_PAGE_SIZE) { 1905 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1906 SLI4_PAGE_SIZE); 1907 alloc_len += SLI4_PAGE_SIZE; 1908 } else { 1909 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, 1910 resid_len); 1911 alloc_len = length; 1912 } 1913 } 1914 1915 /* Set up main header fields in mailbox command */ 1916 sli4_config->header.cfg_mhdr.payload_length = alloc_len; 1917 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); 1918 1919 /* Set up sub-header fields into the first page */ 1920 if (pagen > 0) { 1921 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); 1922 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); 1923 cfg_shdr->request.request_length = 1924 alloc_len - sizeof(union lpfc_sli4_cfg_shdr); 1925 } 1926 /* The sub-header is in DMA memory, which needs endian converstion */ 1927 if (cfg_shdr) 1928 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, 1929 sizeof(union lpfc_sli4_cfg_shdr)); 1930 return alloc_len; 1931 } 1932 1933 /** 1934 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. 1935 * @phba: pointer to lpfc hba data structure. 1936 * @mbox: pointer to an allocated lpfc mbox resource. 1937 * @exts_count: the number of extents, if required, to allocate. 1938 * @rsrc_type: the resource extent type. 1939 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. 1940 * 1941 * This routine completes the subcommand header for SLI4 resource extent 1942 * mailbox commands. It is called after lpfc_sli4_config. The caller must 1943 * pass an allocated mailbox and the attributes required to initialize the 1944 * mailbox correctly. 1945 * 1946 * Return: the actual length of the mbox command allocated. 1947 **/ 1948 int 1949 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, 1950 uint16_t exts_count, uint16_t rsrc_type, bool emb) 1951 { 1952 uint8_t opcode = 0; 1953 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; 1954 void *virtaddr = NULL; 1955 1956 /* Set up SLI4 ioctl command header fields */ 1957 if (emb == LPFC_SLI4_MBX_NEMBED) { 1958 /* Get the first SGE entry from the non-embedded DMA memory */ 1959 virtaddr = mbox->sge_array->addr[0]; 1960 if (virtaddr == NULL) 1961 return 1; 1962 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; 1963 } 1964 1965 /* 1966 * The resource type is common to all extent Opcodes and resides in the 1967 * same position. 1968 */ 1969 if (emb == LPFC_SLI4_MBX_EMBED) 1970 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1971 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1972 rsrc_type); 1973 else { 1974 /* This is DMA data. Byteswap is required. */ 1975 bf_set(lpfc_mbx_alloc_rsrc_extents_type, 1976 n_rsrc_extnt, rsrc_type); 1977 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, 1978 &n_rsrc_extnt->word4, 1979 sizeof(uint32_t)); 1980 } 1981 1982 /* Complete the initialization for the particular Opcode. */ 1983 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); 1984 switch (opcode) { 1985 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: 1986 if (emb == LPFC_SLI4_MBX_EMBED) 1987 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1988 &mbox->u.mqe.un.alloc_rsrc_extents.u.req, 1989 exts_count); 1990 else 1991 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, 1992 n_rsrc_extnt, exts_count); 1993 break; 1994 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: 1995 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: 1996 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: 1997 /* Initialization is complete.*/ 1998 break; 1999 default: 2000 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2001 "2929 Resource Extent Opcode x%x is " 2002 "unsupported\n", opcode); 2003 return 1; 2004 } 2005 2006 return 0; 2007 } 2008 2009 /** 2010 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd 2011 * @phba: pointer to lpfc hba data structure. 2012 * @mbox: pointer to lpfc mbox command queue entry. 2013 * 2014 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox 2015 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the 2016 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall 2017 * be returned. 2018 **/ 2019 uint8_t 2020 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2021 { 2022 struct lpfc_mbx_sli4_config *sli4_cfg; 2023 union lpfc_sli4_cfg_shdr *cfg_shdr; 2024 2025 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 2026 return LPFC_MBOX_SUBSYSTEM_NA; 2027 sli4_cfg = &mbox->u.mqe.un.sli4_config; 2028 2029 /* For embedded mbox command, get opcode from embedded sub-header*/ 2030 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 2031 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 2032 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 2033 } 2034 2035 /* For non-embedded mbox command, get opcode from first dma page */ 2036 if (unlikely(!mbox->sge_array)) 2037 return LPFC_MBOX_SUBSYSTEM_NA; 2038 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 2039 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); 2040 } 2041 2042 /** 2043 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd 2044 * @phba: pointer to lpfc hba data structure. 2045 * @mbox: pointer to lpfc mbox command queue entry. 2046 * 2047 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox 2048 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if 2049 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be 2050 * returned. 2051 **/ 2052 uint8_t 2053 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2054 { 2055 struct lpfc_mbx_sli4_config *sli4_cfg; 2056 union lpfc_sli4_cfg_shdr *cfg_shdr; 2057 2058 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) 2059 return LPFC_MBOX_OPCODE_NA; 2060 sli4_cfg = &mbox->u.mqe.un.sli4_config; 2061 2062 /* For embedded mbox command, get opcode from embedded sub-header*/ 2063 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { 2064 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; 2065 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2066 } 2067 2068 /* For non-embedded mbox command, get opcode from first dma page */ 2069 if (unlikely(!mbox->sge_array)) 2070 return LPFC_MBOX_OPCODE_NA; 2071 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; 2072 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); 2073 } 2074 2075 /** 2076 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd 2077 * @phba: pointer to lpfc hba data structure. 2078 * @mboxq: pointer to lpfc mbox command. 2079 * @fcf_index: index to fcf table. 2080 * 2081 * This routine routine allocates and constructs non-embedded mailbox command 2082 * for reading a FCF table entry referred by @fcf_index. 2083 * 2084 * Return: pointer to the mailbox command constructed if successful, otherwise 2085 * NULL. 2086 **/ 2087 int 2088 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, 2089 struct lpfcMboxq *mboxq, 2090 uint16_t fcf_index) 2091 { 2092 void *virt_addr; 2093 uint8_t *bytep; 2094 struct lpfc_mbx_sge sge; 2095 uint32_t alloc_len, req_len; 2096 struct lpfc_mbx_read_fcf_tbl *read_fcf; 2097 2098 if (!mboxq) 2099 return -ENOMEM; 2100 2101 req_len = sizeof(struct fcf_record) + 2102 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); 2103 2104 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ 2105 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, 2106 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, 2107 LPFC_SLI4_MBX_NEMBED); 2108 2109 if (alloc_len < req_len) { 2110 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 2111 "0291 Allocated DMA memory size (x%x) is " 2112 "less than the requested DMA memory " 2113 "size (x%x)\n", alloc_len, req_len); 2114 return -ENOMEM; 2115 } 2116 2117 /* Get the first SGE entry from the non-embedded DMA memory. This 2118 * routine only uses a single SGE. 2119 */ 2120 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); 2121 virt_addr = mboxq->sge_array->addr[0]; 2122 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; 2123 2124 /* Set up command fields */ 2125 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); 2126 /* Perform necessary endian conversion */ 2127 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); 2128 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); 2129 2130 return 0; 2131 } 2132 2133 /** 2134 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox 2135 * @phba: pointer to lpfc hba data structure. 2136 * @mboxq: pointer to lpfc mbox command. 2137 * 2138 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES 2139 * mailbox command. 2140 **/ 2141 void 2142 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) 2143 { 2144 /* Set up SLI4 mailbox command header fields */ 2145 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 2146 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); 2147 2148 /* Set up host requested features. */ 2149 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); 2150 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); 2151 2152 /* Enable DIF (block guard) only if configured to do so. */ 2153 if (phba->cfg_enable_bg) 2154 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); 2155 2156 /* Enable NPIV only if configured to do so. */ 2157 if (phba->max_vpi && phba->cfg_enable_npiv) 2158 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); 2159 2160 if (phba->nvmet_support) { 2161 bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1); 2162 /* iaab/iaar NOT set for now */ 2163 bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0); 2164 bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0); 2165 } 2166 2167 /* Enable Application Services Header for appheader VMID */ 2168 if (phba->cfg_vmid_app_header) { 2169 bf_set(lpfc_mbx_rq_ftr_rq_ashdr, &mboxq->u.mqe.un.req_ftrs, 1); 2170 bf_set(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags, 1); 2171 } 2172 return; 2173 } 2174 2175 /** 2176 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command 2177 * @mbox: pointer to lpfc mbox command to initialize. 2178 * @vport: Vport associated with the VF. 2179 * 2180 * This routine initializes @mbox to all zeros and then fills in the mailbox 2181 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI 2182 * in the context of an FCF. The driver issues this command to setup a VFI 2183 * before issuing a FLOGI to login to the VSAN. The driver should also issue a 2184 * REG_VFI after a successful VSAN login. 2185 **/ 2186 void 2187 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2188 { 2189 struct lpfc_mbx_init_vfi *init_vfi; 2190 2191 memset(mbox, 0, sizeof(*mbox)); 2192 mbox->vport = vport; 2193 init_vfi = &mbox->u.mqe.un.init_vfi; 2194 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); 2195 bf_set(lpfc_init_vfi_vr, init_vfi, 1); 2196 bf_set(lpfc_init_vfi_vt, init_vfi, 1); 2197 bf_set(lpfc_init_vfi_vp, init_vfi, 1); 2198 bf_set(lpfc_init_vfi_vfi, init_vfi, 2199 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2200 bf_set(lpfc_init_vfi_vpi, init_vfi, 2201 vport->phba->vpi_ids[vport->vpi]); 2202 bf_set(lpfc_init_vfi_fcfi, init_vfi, 2203 vport->phba->fcf.fcfi); 2204 } 2205 2206 /** 2207 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command 2208 * @mbox: pointer to lpfc mbox command to initialize. 2209 * @vport: vport associated with the VF. 2210 * @phys: BDE DMA bus address used to send the service parameters to the HBA. 2211 * 2212 * This routine initializes @mbox to all zeros and then fills in the mailbox 2213 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's 2214 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual 2215 * fabrics identified by VFI in the context of an FCF. 2216 **/ 2217 void 2218 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) 2219 { 2220 struct lpfc_mbx_reg_vfi *reg_vfi; 2221 struct lpfc_hba *phba = vport->phba; 2222 uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; 2223 2224 memset(mbox, 0, sizeof(*mbox)); 2225 reg_vfi = &mbox->u.mqe.un.reg_vfi; 2226 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); 2227 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); 2228 bf_set(lpfc_reg_vfi_vfi, reg_vfi, 2229 phba->sli4_hba.vfi_ids[vport->vfi]); 2230 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); 2231 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); 2232 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); 2233 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); 2234 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); 2235 reg_vfi->e_d_tov = phba->fc_edtov; 2236 reg_vfi->r_a_tov = phba->fc_ratov; 2237 if (phys) { 2238 reg_vfi->bde.addrHigh = putPaddrHigh(phys); 2239 reg_vfi->bde.addrLow = putPaddrLow(phys); 2240 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); 2241 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2242 } 2243 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); 2244 2245 /* Only FC supports upd bit */ 2246 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && 2247 test_bit(FC_VFI_REGISTERED, &vport->fc_flag) && 2248 (!phba->fc_topology_changed)) 2249 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); 2250 2251 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); 2252 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); 2253 bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; 2254 2255 if (phba->bbcredit_support && phba->cfg_enable_bbcr && 2256 bbscn_fabric != 0) { 2257 bbscn_max = bf_get(lpfc_bbscn_max, 2258 &phba->sli4_hba.bbscn_params); 2259 if (bbscn_fabric <= bbscn_max) { 2260 bbscn_def = bf_get(lpfc_bbscn_def, 2261 &phba->sli4_hba.bbscn_params); 2262 2263 if (bbscn_fabric > bbscn_def) 2264 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 2265 bbscn_fabric); 2266 else 2267 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); 2268 2269 bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); 2270 } 2271 } 2272 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, 2273 "3134 Register VFI, mydid:x%x, fcfi:%d, " 2274 "vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%lx " 2275 "port_state:x%x topology chg:%d bbscn_fabric :%d\n", 2276 vport->fc_myDID, 2277 phba->fcf.fcfi, 2278 phba->sli4_hba.vfi_ids[vport->vfi], 2279 phba->vpi_ids[vport->vpi], 2280 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, 2281 vport->port_state, phba->fc_topology_changed, 2282 bbscn_fabric); 2283 } 2284 2285 /** 2286 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command 2287 * @phba: pointer to the hba structure to init the VPI for. 2288 * @mbox: pointer to lpfc mbox command to initialize. 2289 * @vpi: VPI to be initialized. 2290 * 2291 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the 2292 * command to activate a virtual N_Port. The HBA assigns a MAC address to use 2293 * with the virtual N Port. The SLI Host issues this command before issuing a 2294 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a 2295 * successful virtual NPort login. 2296 **/ 2297 void 2298 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) 2299 { 2300 memset(mbox, 0, sizeof(*mbox)); 2301 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); 2302 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, 2303 phba->vpi_ids[vpi]); 2304 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, 2305 phba->sli4_hba.vfi_ids[phba->pport->vfi]); 2306 } 2307 2308 /** 2309 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command 2310 * @mbox: pointer to lpfc mbox command to initialize. 2311 * @vport: vport associated with the VF. 2312 * 2313 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric 2314 * (logical NPort) into the inactive state. The SLI Host must have logged out 2315 * and unregistered all remote N_Ports to abort any activity on the virtual 2316 * fabric. The SLI Port posts the mailbox response after marking the virtual 2317 * fabric inactive. 2318 **/ 2319 void 2320 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) 2321 { 2322 memset(mbox, 0, sizeof(*mbox)); 2323 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); 2324 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, 2325 vport->phba->sli4_hba.vfi_ids[vport->vfi]); 2326 } 2327 2328 /** 2329 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 2330 * @phba: pointer to the hba structure containing. 2331 * @mbox: pointer to lpfc mbox command to initialize. 2332 * 2333 * This function create a SLI4 dump mailbox command to dump configure 2334 * region 23. 2335 **/ 2336 int 2337 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2338 { 2339 struct lpfc_dmabuf *mp = NULL; 2340 MAILBOX_t *mb; 2341 int rc; 2342 2343 memset(mbox, 0, sizeof(*mbox)); 2344 mb = &mbox->u.mb; 2345 2346 rc = lpfc_mbox_rsrc_prep(phba, mbox); 2347 if (rc) { 2348 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2349 "2569 %s: memory allocation failed\n", 2350 __func__); 2351 return 1; 2352 } 2353 2354 mb->mbxCommand = MBX_DUMP_MEMORY; 2355 mb->un.varDmp.type = DMP_NV_PARAMS; 2356 mb->un.varDmp.region_id = DMP_REGION_23; 2357 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; 2358 mp = mbox->ctx_buf; 2359 mb->un.varWords[3] = putPaddrLow(mp->phys); 2360 mb->un.varWords[4] = putPaddrHigh(mp->phys); 2361 return 0; 2362 } 2363 2364 static void 2365 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2366 { 2367 MAILBOX_t *mb; 2368 int rc = FAILURE; 2369 struct lpfc_rdp_context *rdp_context = 2370 (struct lpfc_rdp_context *)(mboxq->ctx_ndlp); 2371 2372 mb = &mboxq->u.mb; 2373 if (mb->mbxStatus) 2374 goto mbx_failed; 2375 2376 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); 2377 2378 rc = SUCCESS; 2379 2380 mbx_failed: 2381 lpfc_mbox_rsrc_cleanup(phba, mboxq, MBOX_THD_UNLOCKED); 2382 rdp_context->cmpl(phba, rdp_context, rc); 2383 } 2384 2385 static void 2386 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2387 { 2388 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf; 2389 struct lpfc_rdp_context *rdp_context = 2390 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2391 2392 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2393 goto error_mbox_free; 2394 2395 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, 2396 DMP_SFF_PAGE_A2_SIZE); 2397 2398 lpfc_read_lnk_stat(phba, mbox); 2399 mbox->vport = rdp_context->ndlp->vport; 2400 2401 /* Save the dma buffer for cleanup in the final completion. */ 2402 mbox->ctx_buf = mp; 2403 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; 2404 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2405 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) 2406 goto error_mbox_free; 2407 2408 return; 2409 2410 error_mbox_free: 2411 lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); 2412 rdp_context->cmpl(phba, rdp_context, FAILURE); 2413 } 2414 2415 void 2416 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) 2417 { 2418 int rc; 2419 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf); 2420 struct lpfc_rdp_context *rdp_context = 2421 (struct lpfc_rdp_context *)(mbox->ctx_ndlp); 2422 2423 if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) 2424 goto error; 2425 2426 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, 2427 DMP_SFF_PAGE_A0_SIZE); 2428 2429 memset(mbox, 0, sizeof(*mbox)); 2430 2431 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); 2432 INIT_LIST_HEAD(&mp->list); 2433 2434 /* save address for completion */ 2435 mbox->ctx_buf = mp; 2436 mbox->vport = rdp_context->ndlp->vport; 2437 2438 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2439 bf_set(lpfc_mbx_memory_dump_type3_type, 2440 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2441 bf_set(lpfc_mbx_memory_dump_type3_link, 2442 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2443 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2444 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); 2445 bf_set(lpfc_mbx_memory_dump_type3_length, 2446 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); 2447 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2448 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2449 2450 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; 2451 mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; 2452 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 2453 if (rc == MBX_NOT_FINISHED) 2454 goto error; 2455 2456 return; 2457 2458 error: 2459 lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); 2460 rdp_context->cmpl(phba, rdp_context, FAILURE); 2461 } 2462 2463 2464 /* 2465 * lpfc_sli4_dump_page_a0 - Dump sli4 read SFP Diagnostic. 2466 * @phba: pointer to the hba structure containing. 2467 * @mbox: pointer to lpfc mbox command to initialize. 2468 * 2469 * This function create a SLI4 dump mailbox command to dump configure 2470 * type 3 page 0xA0. 2471 */ 2472 int 2473 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2474 { 2475 int rc; 2476 struct lpfc_dmabuf *mp = NULL; 2477 2478 memset(mbox, 0, sizeof(*mbox)); 2479 2480 rc = lpfc_mbox_rsrc_prep(phba, mbox); 2481 if (rc) { 2482 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 2483 "3569 dump type 3 page 0xA0 allocation failed\n"); 2484 return 1; 2485 } 2486 2487 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); 2488 bf_set(lpfc_mbx_memory_dump_type3_type, 2489 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); 2490 bf_set(lpfc_mbx_memory_dump_type3_link, 2491 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); 2492 bf_set(lpfc_mbx_memory_dump_type3_page_no, 2493 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); 2494 bf_set(lpfc_mbx_memory_dump_type3_length, 2495 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); 2496 2497 mp = mbox->ctx_buf; 2498 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); 2499 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); 2500 2501 return 0; 2502 } 2503 2504 /** 2505 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command 2506 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2507 * @mbox: pointer to lpfc mbox command to initialize. 2508 * 2509 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The 2510 * SLI Host uses the command to activate an FCF after it has acquired FCF 2511 * information via a READ_FCF mailbox command. This mailbox command also is used 2512 * to indicate where received unsolicited frames from this FCF will be sent. By 2513 * default this routine will set up the FCF to forward all unsolicited frames 2514 * to the RQ ID passed in the @phba. This can be overridden by the caller for 2515 * more complicated setups. 2516 **/ 2517 void 2518 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) 2519 { 2520 struct lpfc_mbx_reg_fcfi *reg_fcfi; 2521 2522 memset(mbox, 0, sizeof(*mbox)); 2523 reg_fcfi = &mbox->u.mqe.un.reg_fcfi; 2524 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); 2525 if (phba->nvmet_support == 0) { 2526 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2527 phba->sli4_hba.hdr_rq->queue_id); 2528 /* Match everything - rq_id0 */ 2529 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0); 2530 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0); 2531 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0); 2532 bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0); 2533 2534 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); 2535 2536 /* addr mode is bit wise inverted value of fcf addr_mode */ 2537 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, 2538 (~phba->fcf.addr_mode) & 0x3); 2539 } else { 2540 /* This is ONLY for NVMET MRQ == 1 */ 2541 if (phba->cfg_nvmet_mrq != 1) 2542 return; 2543 2544 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, 2545 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2546 /* Match type FCP - rq_id0 */ 2547 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP); 2548 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff); 2549 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 2550 FC_RCTL_DD_UNSOL_CMD); 2551 2552 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, 2553 phba->sli4_hba.hdr_rq->queue_id); 2554 /* Match everything else - rq_id1 */ 2555 bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0); 2556 bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0); 2557 bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0); 2558 bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0); 2559 } 2560 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2561 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2562 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, 2563 phba->fcf.current_rec.fcf_indx); 2564 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2565 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); 2566 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, 2567 phba->fcf.current_rec.vlan_id); 2568 } 2569 } 2570 2571 /** 2572 * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command 2573 * @phba: pointer to the hba structure containing the FCF index and RQ ID. 2574 * @mbox: pointer to lpfc mbox command to initialize. 2575 * @mode: 0 to register FCFI, 1 to register MRQs 2576 * 2577 * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs). 2578 * The SLI Host uses the command to activate an FCF after it has acquired FCF 2579 * information via a READ_FCF mailbox command. This mailbox command also is used 2580 * to indicate where received unsolicited frames from this FCF will be sent. By 2581 * default this routine will set up the FCF to forward all unsolicited frames 2582 * to the RQ ID passed in the @phba. This can be overridden by the caller for 2583 * more complicated setups. 2584 **/ 2585 void 2586 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode) 2587 { 2588 struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi; 2589 2590 /* This is ONLY for MRQ */ 2591 if (phba->cfg_nvmet_mrq <= 1) 2592 return; 2593 2594 memset(mbox, 0, sizeof(*mbox)); 2595 reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq; 2596 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ); 2597 if (mode == 0) { 2598 bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi, 2599 phba->fcf.current_rec.fcf_indx); 2600 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { 2601 bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1); 2602 bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi, 2603 phba->fcf.current_rec.vlan_id); 2604 } 2605 return; 2606 } 2607 2608 bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi, 2609 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); 2610 /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */ 2611 bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP); 2612 bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff); 2613 bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); 2614 bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff); 2615 bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1); 2616 bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1); 2617 2618 bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */ 2619 bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1); 2620 bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */ 2621 bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq); 2622 2623 bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi, 2624 phba->sli4_hba.hdr_rq->queue_id); 2625 /* Match everything - rq_id1 */ 2626 bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0); 2627 bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0); 2628 bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0); 2629 bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0); 2630 2631 bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); 2632 bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); 2633 } 2634 2635 /** 2636 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command 2637 * @mbox: pointer to lpfc mbox command to initialize. 2638 * @fcfi: FCFI to be unregistered. 2639 * 2640 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). 2641 * The SLI Host uses the command to inactivate an FCFI. 2642 **/ 2643 void 2644 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) 2645 { 2646 memset(mbox, 0, sizeof(*mbox)); 2647 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); 2648 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); 2649 } 2650 2651 /** 2652 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command 2653 * @mbox: pointer to lpfc mbox command to initialize. 2654 * @ndlp: The nodelist structure that describes the RPI to resume. 2655 * 2656 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a 2657 * link event. 2658 **/ 2659 void 2660 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) 2661 { 2662 struct lpfc_hba *phba = ndlp->phba; 2663 struct lpfc_mbx_resume_rpi *resume_rpi; 2664 2665 memset(mbox, 0, sizeof(*mbox)); 2666 resume_rpi = &mbox->u.mqe.un.resume_rpi; 2667 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); 2668 bf_set(lpfc_resume_rpi_index, resume_rpi, 2669 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2670 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); 2671 resume_rpi->event_tag = ndlp->phba->fc_eventTag; 2672 } 2673 2674