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