1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * 6 * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10 * * 11 * This program is free software; you can redistribute it and/or * 12 * modify it under the terms of version 2 of the GNU General * 13 * Public License as published by the Free Software Foundation. * 14 * This program is distributed in the hope that it will be useful. * 15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19 * TO BE LEGALLY INVALID. See the GNU General Public License for * 20 * more details, a copy of which can be found in the file COPYING * 21 * included with this package. * 22 *******************************************************************/ 23 24 #include <linux/blkdev.h> 25 #include <linux/delay.h> 26 #include <linux/dma-mapping.h> 27 #include <linux/idr.h> 28 #include <linux/interrupt.h> 29 #include <linux/module.h> 30 #include <linux/kthread.h> 31 #include <linux/pci.h> 32 #include <linux/spinlock.h> 33 #include <linux/ctype.h> 34 #include <linux/aer.h> 35 #include <linux/slab.h> 36 #include <linux/firmware.h> 37 #include <linux/miscdevice.h> 38 #include <linux/percpu.h> 39 #include <linux/msi.h> 40 41 #include <scsi/scsi.h> 42 #include <scsi/scsi_device.h> 43 #include <scsi/scsi_host.h> 44 #include <scsi/scsi_transport_fc.h> 45 46 #include "lpfc_hw4.h" 47 #include "lpfc_hw.h" 48 #include "lpfc_sli.h" 49 #include "lpfc_sli4.h" 50 #include "lpfc_nl.h" 51 #include "lpfc_disc.h" 52 #include "lpfc.h" 53 #include "lpfc_scsi.h" 54 #include "lpfc_nvme.h" 55 #include "lpfc_logmsg.h" 56 #include "lpfc_crtn.h" 57 #include "lpfc_vport.h" 58 #include "lpfc_version.h" 59 #include "lpfc_ids.h" 60 61 char *_dump_buf_data; 62 unsigned long _dump_buf_data_order; 63 char *_dump_buf_dif; 64 unsigned long _dump_buf_dif_order; 65 spinlock_t _dump_buf_lock; 66 67 /* Used when mapping IRQ vectors in a driver centric manner */ 68 uint16_t *lpfc_used_cpu; 69 uint32_t lpfc_present_cpu; 70 71 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); 72 static int lpfc_post_rcv_buf(struct lpfc_hba *); 73 static int lpfc_sli4_queue_verify(struct lpfc_hba *); 74 static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); 75 static int lpfc_setup_endian_order(struct lpfc_hba *); 76 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); 77 static void lpfc_free_els_sgl_list(struct lpfc_hba *); 78 static void lpfc_free_nvmet_sgl_list(struct lpfc_hba *); 79 static void lpfc_init_sgl_list(struct lpfc_hba *); 80 static int lpfc_init_active_sgl_array(struct lpfc_hba *); 81 static void lpfc_free_active_sgl(struct lpfc_hba *); 82 static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); 83 static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); 84 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); 85 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); 86 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); 87 static void lpfc_sli4_disable_intr(struct lpfc_hba *); 88 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); 89 static void lpfc_sli4_oas_verify(struct lpfc_hba *phba); 90 91 static struct scsi_transport_template *lpfc_transport_template = NULL; 92 static struct scsi_transport_template *lpfc_vport_transport_template = NULL; 93 static DEFINE_IDR(lpfc_hba_index); 94 #define LPFC_NVMET_BUF_POST 254 95 96 /** 97 * lpfc_config_port_prep - Perform lpfc initialization prior to config port 98 * @phba: pointer to lpfc hba data structure. 99 * 100 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT 101 * mailbox command. It retrieves the revision information from the HBA and 102 * collects the Vital Product Data (VPD) about the HBA for preparing the 103 * configuration of the HBA. 104 * 105 * Return codes: 106 * 0 - success. 107 * -ERESTART - requests the SLI layer to reset the HBA and try again. 108 * Any other value - indicates an error. 109 **/ 110 int 111 lpfc_config_port_prep(struct lpfc_hba *phba) 112 { 113 lpfc_vpd_t *vp = &phba->vpd; 114 int i = 0, rc; 115 LPFC_MBOXQ_t *pmb; 116 MAILBOX_t *mb; 117 char *lpfc_vpd_data = NULL; 118 uint16_t offset = 0; 119 static char licensed[56] = 120 "key unlock for use with gnu public licensed code only\0"; 121 static int init_key = 1; 122 123 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 124 if (!pmb) { 125 phba->link_state = LPFC_HBA_ERROR; 126 return -ENOMEM; 127 } 128 129 mb = &pmb->u.mb; 130 phba->link_state = LPFC_INIT_MBX_CMDS; 131 132 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 133 if (init_key) { 134 uint32_t *ptext = (uint32_t *) licensed; 135 136 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) 137 *ptext = cpu_to_be32(*ptext); 138 init_key = 0; 139 } 140 141 lpfc_read_nv(phba, pmb); 142 memset((char*)mb->un.varRDnvp.rsvd3, 0, 143 sizeof (mb->un.varRDnvp.rsvd3)); 144 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, 145 sizeof (licensed)); 146 147 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 148 149 if (rc != MBX_SUCCESS) { 150 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 151 "0324 Config Port initialization " 152 "error, mbxCmd x%x READ_NVPARM, " 153 "mbxStatus x%x\n", 154 mb->mbxCommand, mb->mbxStatus); 155 mempool_free(pmb, phba->mbox_mem_pool); 156 return -ERESTART; 157 } 158 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, 159 sizeof(phba->wwnn)); 160 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, 161 sizeof(phba->wwpn)); 162 } 163 164 phba->sli3_options = 0x0; 165 166 /* Setup and issue mailbox READ REV command */ 167 lpfc_read_rev(phba, pmb); 168 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 169 if (rc != MBX_SUCCESS) { 170 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 171 "0439 Adapter failed to init, mbxCmd x%x " 172 "READ_REV, mbxStatus x%x\n", 173 mb->mbxCommand, mb->mbxStatus); 174 mempool_free( pmb, phba->mbox_mem_pool); 175 return -ERESTART; 176 } 177 178 179 /* 180 * The value of rr must be 1 since the driver set the cv field to 1. 181 * This setting requires the FW to set all revision fields. 182 */ 183 if (mb->un.varRdRev.rr == 0) { 184 vp->rev.rBit = 0; 185 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 186 "0440 Adapter failed to init, READ_REV has " 187 "missing revision information.\n"); 188 mempool_free(pmb, phba->mbox_mem_pool); 189 return -ERESTART; 190 } 191 192 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { 193 mempool_free(pmb, phba->mbox_mem_pool); 194 return -EINVAL; 195 } 196 197 /* Save information as VPD data */ 198 vp->rev.rBit = 1; 199 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); 200 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; 201 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); 202 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; 203 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); 204 vp->rev.biuRev = mb->un.varRdRev.biuRev; 205 vp->rev.smRev = mb->un.varRdRev.smRev; 206 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; 207 vp->rev.endecRev = mb->un.varRdRev.endecRev; 208 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; 209 vp->rev.fcphLow = mb->un.varRdRev.fcphLow; 210 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; 211 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; 212 vp->rev.postKernRev = mb->un.varRdRev.postKernRev; 213 vp->rev.opFwRev = mb->un.varRdRev.opFwRev; 214 215 /* If the sli feature level is less then 9, we must 216 * tear down all RPIs and VPIs on link down if NPIV 217 * is enabled. 218 */ 219 if (vp->rev.feaLevelHigh < 9) 220 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; 221 222 if (lpfc_is_LC_HBA(phba->pcidev->device)) 223 memcpy(phba->RandomData, (char *)&mb->un.varWords[24], 224 sizeof (phba->RandomData)); 225 226 /* Get adapter VPD information */ 227 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); 228 if (!lpfc_vpd_data) 229 goto out_free_mbox; 230 do { 231 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); 232 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 233 234 if (rc != MBX_SUCCESS) { 235 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 236 "0441 VPD not present on adapter, " 237 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", 238 mb->mbxCommand, mb->mbxStatus); 239 mb->un.varDmp.word_cnt = 0; 240 } 241 /* dump mem may return a zero when finished or we got a 242 * mailbox error, either way we are done. 243 */ 244 if (mb->un.varDmp.word_cnt == 0) 245 break; 246 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) 247 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; 248 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, 249 lpfc_vpd_data + offset, 250 mb->un.varDmp.word_cnt); 251 offset += mb->un.varDmp.word_cnt; 252 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); 253 lpfc_parse_vpd(phba, lpfc_vpd_data, offset); 254 255 kfree(lpfc_vpd_data); 256 out_free_mbox: 257 mempool_free(pmb, phba->mbox_mem_pool); 258 return 0; 259 } 260 261 /** 262 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd 263 * @phba: pointer to lpfc hba data structure. 264 * @pmboxq: pointer to the driver internal queue element for mailbox command. 265 * 266 * This is the completion handler for driver's configuring asynchronous event 267 * mailbox command to the device. If the mailbox command returns successfully, 268 * it will set internal async event support flag to 1; otherwise, it will 269 * set internal async event support flag to 0. 270 **/ 271 static void 272 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 273 { 274 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) 275 phba->temp_sensor_support = 1; 276 else 277 phba->temp_sensor_support = 0; 278 mempool_free(pmboxq, phba->mbox_mem_pool); 279 return; 280 } 281 282 /** 283 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler 284 * @phba: pointer to lpfc hba data structure. 285 * @pmboxq: pointer to the driver internal queue element for mailbox command. 286 * 287 * This is the completion handler for dump mailbox command for getting 288 * wake up parameters. When this command complete, the response contain 289 * Option rom version of the HBA. This function translate the version number 290 * into a human readable string and store it in OptionROMVersion. 291 **/ 292 static void 293 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) 294 { 295 struct prog_id *prg; 296 uint32_t prog_id_word; 297 char dist = ' '; 298 /* character array used for decoding dist type. */ 299 char dist_char[] = "nabx"; 300 301 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { 302 mempool_free(pmboxq, phba->mbox_mem_pool); 303 return; 304 } 305 306 prg = (struct prog_id *) &prog_id_word; 307 308 /* word 7 contain option rom version */ 309 prog_id_word = pmboxq->u.mb.un.varWords[7]; 310 311 /* Decode the Option rom version word to a readable string */ 312 if (prg->dist < 4) 313 dist = dist_char[prg->dist]; 314 315 if ((prg->dist == 3) && (prg->num == 0)) 316 snprintf(phba->OptionROMVersion, 32, "%d.%d%d", 317 prg->ver, prg->rev, prg->lev); 318 else 319 snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d", 320 prg->ver, prg->rev, prg->lev, 321 dist, prg->num); 322 mempool_free(pmboxq, phba->mbox_mem_pool); 323 return; 324 } 325 326 /** 327 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, 328 * cfg_soft_wwnn, cfg_soft_wwpn 329 * @vport: pointer to lpfc vport data structure. 330 * 331 * 332 * Return codes 333 * None. 334 **/ 335 void 336 lpfc_update_vport_wwn(struct lpfc_vport *vport) 337 { 338 /* If the soft name exists then update it using the service params */ 339 if (vport->phba->cfg_soft_wwnn) 340 u64_to_wwn(vport->phba->cfg_soft_wwnn, 341 vport->fc_sparam.nodeName.u.wwn); 342 if (vport->phba->cfg_soft_wwpn) 343 u64_to_wwn(vport->phba->cfg_soft_wwpn, 344 vport->fc_sparam.portName.u.wwn); 345 346 /* 347 * If the name is empty or there exists a soft name 348 * then copy the service params name, otherwise use the fc name 349 */ 350 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) 351 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, 352 sizeof(struct lpfc_name)); 353 else 354 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, 355 sizeof(struct lpfc_name)); 356 357 if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn) 358 memcpy(&vport->fc_portname, &vport->fc_sparam.portName, 359 sizeof(struct lpfc_name)); 360 else 361 memcpy(&vport->fc_sparam.portName, &vport->fc_portname, 362 sizeof(struct lpfc_name)); 363 } 364 365 /** 366 * lpfc_config_port_post - Perform lpfc initialization after config port 367 * @phba: pointer to lpfc hba data structure. 368 * 369 * This routine will do LPFC initialization after the CONFIG_PORT mailbox 370 * command call. It performs all internal resource and state setups on the 371 * port: post IOCB buffers, enable appropriate host interrupt attentions, 372 * ELS ring timers, etc. 373 * 374 * Return codes 375 * 0 - success. 376 * Any other value - error. 377 **/ 378 int 379 lpfc_config_port_post(struct lpfc_hba *phba) 380 { 381 struct lpfc_vport *vport = phba->pport; 382 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 383 LPFC_MBOXQ_t *pmb; 384 MAILBOX_t *mb; 385 struct lpfc_dmabuf *mp; 386 struct lpfc_sli *psli = &phba->sli; 387 uint32_t status, timeout; 388 int i, j; 389 int rc; 390 391 spin_lock_irq(&phba->hbalock); 392 /* 393 * If the Config port completed correctly the HBA is not 394 * over heated any more. 395 */ 396 if (phba->over_temp_state == HBA_OVER_TEMP) 397 phba->over_temp_state = HBA_NORMAL_TEMP; 398 spin_unlock_irq(&phba->hbalock); 399 400 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 401 if (!pmb) { 402 phba->link_state = LPFC_HBA_ERROR; 403 return -ENOMEM; 404 } 405 mb = &pmb->u.mb; 406 407 /* Get login parameters for NID. */ 408 rc = lpfc_read_sparam(phba, pmb, 0); 409 if (rc) { 410 mempool_free(pmb, phba->mbox_mem_pool); 411 return -ENOMEM; 412 } 413 414 pmb->vport = vport; 415 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 416 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 417 "0448 Adapter failed init, mbxCmd x%x " 418 "READ_SPARM mbxStatus x%x\n", 419 mb->mbxCommand, mb->mbxStatus); 420 phba->link_state = LPFC_HBA_ERROR; 421 mp = (struct lpfc_dmabuf *) pmb->context1; 422 mempool_free(pmb, phba->mbox_mem_pool); 423 lpfc_mbuf_free(phba, mp->virt, mp->phys); 424 kfree(mp); 425 return -EIO; 426 } 427 428 mp = (struct lpfc_dmabuf *) pmb->context1; 429 430 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); 431 lpfc_mbuf_free(phba, mp->virt, mp->phys); 432 kfree(mp); 433 pmb->context1 = NULL; 434 lpfc_update_vport_wwn(vport); 435 436 /* Update the fc_host data structures with new wwn. */ 437 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 438 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 439 fc_host_max_npiv_vports(shost) = phba->max_vpi; 440 441 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 442 /* This should be consolidated into parse_vpd ? - mr */ 443 if (phba->SerialNumber[0] == 0) { 444 uint8_t *outptr; 445 446 outptr = &vport->fc_nodename.u.s.IEEE[0]; 447 for (i = 0; i < 12; i++) { 448 status = *outptr++; 449 j = ((status & 0xf0) >> 4); 450 if (j <= 9) 451 phba->SerialNumber[i] = 452 (char)((uint8_t) 0x30 + (uint8_t) j); 453 else 454 phba->SerialNumber[i] = 455 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 456 i++; 457 j = (status & 0xf); 458 if (j <= 9) 459 phba->SerialNumber[i] = 460 (char)((uint8_t) 0x30 + (uint8_t) j); 461 else 462 phba->SerialNumber[i] = 463 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 464 } 465 } 466 467 lpfc_read_config(phba, pmb); 468 pmb->vport = vport; 469 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 470 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 471 "0453 Adapter failed to init, mbxCmd x%x " 472 "READ_CONFIG, mbxStatus x%x\n", 473 mb->mbxCommand, mb->mbxStatus); 474 phba->link_state = LPFC_HBA_ERROR; 475 mempool_free( pmb, phba->mbox_mem_pool); 476 return -EIO; 477 } 478 479 /* Check if the port is disabled */ 480 lpfc_sli_read_link_ste(phba); 481 482 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 483 i = (mb->un.varRdConfig.max_xri + 1); 484 if (phba->cfg_hba_queue_depth > i) { 485 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 486 "3359 HBA queue depth changed from %d to %d\n", 487 phba->cfg_hba_queue_depth, i); 488 phba->cfg_hba_queue_depth = i; 489 } 490 491 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ 492 i = (mb->un.varRdConfig.max_xri >> 3); 493 if (phba->pport->cfg_lun_queue_depth > i) { 494 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 495 "3360 LUN queue depth changed from %d to %d\n", 496 phba->pport->cfg_lun_queue_depth, i); 497 phba->pport->cfg_lun_queue_depth = i; 498 } 499 500 phba->lmt = mb->un.varRdConfig.lmt; 501 502 /* Get the default values for Model Name and Description */ 503 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 504 505 phba->link_state = LPFC_LINK_DOWN; 506 507 /* Only process IOCBs on ELS ring till hba_state is READY */ 508 if (psli->sli3_ring[LPFC_EXTRA_RING].sli.sli3.cmdringaddr) 509 psli->sli3_ring[LPFC_EXTRA_RING].flag |= LPFC_STOP_IOCB_EVENT; 510 if (psli->sli3_ring[LPFC_FCP_RING].sli.sli3.cmdringaddr) 511 psli->sli3_ring[LPFC_FCP_RING].flag |= LPFC_STOP_IOCB_EVENT; 512 513 /* Post receive buffers for desired rings */ 514 if (phba->sli_rev != 3) 515 lpfc_post_rcv_buf(phba); 516 517 /* 518 * Configure HBA MSI-X attention conditions to messages if MSI-X mode 519 */ 520 if (phba->intr_type == MSIX) { 521 rc = lpfc_config_msi(phba, pmb); 522 if (rc) { 523 mempool_free(pmb, phba->mbox_mem_pool); 524 return -EIO; 525 } 526 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 527 if (rc != MBX_SUCCESS) { 528 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 529 "0352 Config MSI mailbox command " 530 "failed, mbxCmd x%x, mbxStatus x%x\n", 531 pmb->u.mb.mbxCommand, 532 pmb->u.mb.mbxStatus); 533 mempool_free(pmb, phba->mbox_mem_pool); 534 return -EIO; 535 } 536 } 537 538 spin_lock_irq(&phba->hbalock); 539 /* Initialize ERATT handling flag */ 540 phba->hba_flag &= ~HBA_ERATT_HANDLED; 541 542 /* Enable appropriate host interrupts */ 543 if (lpfc_readl(phba->HCregaddr, &status)) { 544 spin_unlock_irq(&phba->hbalock); 545 return -EIO; 546 } 547 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 548 if (psli->num_rings > 0) 549 status |= HC_R0INT_ENA; 550 if (psli->num_rings > 1) 551 status |= HC_R1INT_ENA; 552 if (psli->num_rings > 2) 553 status |= HC_R2INT_ENA; 554 if (psli->num_rings > 3) 555 status |= HC_R3INT_ENA; 556 557 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && 558 (phba->cfg_poll & DISABLE_FCP_RING_INT)) 559 status &= ~(HC_R0INT_ENA); 560 561 writel(status, phba->HCregaddr); 562 readl(phba->HCregaddr); /* flush */ 563 spin_unlock_irq(&phba->hbalock); 564 565 /* Set up ring-0 (ELS) timer */ 566 timeout = phba->fc_ratov * 2; 567 mod_timer(&vport->els_tmofunc, 568 jiffies + msecs_to_jiffies(1000 * timeout)); 569 /* Set up heart beat (HB) timer */ 570 mod_timer(&phba->hb_tmofunc, 571 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); 572 phba->hb_outstanding = 0; 573 phba->last_completion_time = jiffies; 574 /* Set up error attention (ERATT) polling timer */ 575 mod_timer(&phba->eratt_poll, 576 jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); 577 578 if (phba->hba_flag & LINK_DISABLED) { 579 lpfc_printf_log(phba, 580 KERN_ERR, LOG_INIT, 581 "2598 Adapter Link is disabled.\n"); 582 lpfc_down_link(phba, pmb); 583 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 584 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 585 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { 586 lpfc_printf_log(phba, 587 KERN_ERR, LOG_INIT, 588 "2599 Adapter failed to issue DOWN_LINK" 589 " mbox command rc 0x%x\n", rc); 590 591 mempool_free(pmb, phba->mbox_mem_pool); 592 return -EIO; 593 } 594 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { 595 mempool_free(pmb, phba->mbox_mem_pool); 596 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); 597 if (rc) 598 return rc; 599 } 600 /* MBOX buffer will be freed in mbox compl */ 601 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 602 if (!pmb) { 603 phba->link_state = LPFC_HBA_ERROR; 604 return -ENOMEM; 605 } 606 607 lpfc_config_async(phba, pmb, LPFC_ELS_RING); 608 pmb->mbox_cmpl = lpfc_config_async_cmpl; 609 pmb->vport = phba->pport; 610 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 611 612 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 613 lpfc_printf_log(phba, 614 KERN_ERR, 615 LOG_INIT, 616 "0456 Adapter failed to issue " 617 "ASYNCEVT_ENABLE mbox status x%x\n", 618 rc); 619 mempool_free(pmb, phba->mbox_mem_pool); 620 } 621 622 /* Get Option rom version */ 623 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 624 if (!pmb) { 625 phba->link_state = LPFC_HBA_ERROR; 626 return -ENOMEM; 627 } 628 629 lpfc_dump_wakeup_param(phba, pmb); 630 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; 631 pmb->vport = phba->pport; 632 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 633 634 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 635 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " 636 "to get Option ROM version status x%x\n", rc); 637 mempool_free(pmb, phba->mbox_mem_pool); 638 } 639 640 return 0; 641 } 642 643 /** 644 * lpfc_hba_init_link - Initialize the FC link 645 * @phba: pointer to lpfc hba data structure. 646 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT 647 * 648 * This routine will issue the INIT_LINK mailbox command call. 649 * It is available to other drivers through the lpfc_hba data 650 * structure for use as a delayed link up mechanism with the 651 * module parameter lpfc_suppress_link_up. 652 * 653 * Return code 654 * 0 - success 655 * Any other value - error 656 **/ 657 static int 658 lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) 659 { 660 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); 661 } 662 663 /** 664 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology 665 * @phba: pointer to lpfc hba data structure. 666 * @fc_topology: desired fc topology. 667 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT 668 * 669 * This routine will issue the INIT_LINK mailbox command call. 670 * It is available to other drivers through the lpfc_hba data 671 * structure for use as a delayed link up mechanism with the 672 * module parameter lpfc_suppress_link_up. 673 * 674 * Return code 675 * 0 - success 676 * Any other value - error 677 **/ 678 int 679 lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, 680 uint32_t flag) 681 { 682 struct lpfc_vport *vport = phba->pport; 683 LPFC_MBOXQ_t *pmb; 684 MAILBOX_t *mb; 685 int rc; 686 687 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 688 if (!pmb) { 689 phba->link_state = LPFC_HBA_ERROR; 690 return -ENOMEM; 691 } 692 mb = &pmb->u.mb; 693 pmb->vport = vport; 694 695 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || 696 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && 697 !(phba->lmt & LMT_1Gb)) || 698 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && 699 !(phba->lmt & LMT_2Gb)) || 700 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && 701 !(phba->lmt & LMT_4Gb)) || 702 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && 703 !(phba->lmt & LMT_8Gb)) || 704 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && 705 !(phba->lmt & LMT_10Gb)) || 706 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && 707 !(phba->lmt & LMT_16Gb)) || 708 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) && 709 !(phba->lmt & LMT_32Gb))) { 710 /* Reset link speed to auto */ 711 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 712 "1302 Invalid speed for this board:%d " 713 "Reset link speed to auto.\n", 714 phba->cfg_link_speed); 715 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; 716 } 717 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); 718 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 719 if (phba->sli_rev < LPFC_SLI_REV4) 720 lpfc_set_loopback_flag(phba); 721 rc = lpfc_sli_issue_mbox(phba, pmb, flag); 722 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 723 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 724 "0498 Adapter failed to init, mbxCmd x%x " 725 "INIT_LINK, mbxStatus x%x\n", 726 mb->mbxCommand, mb->mbxStatus); 727 if (phba->sli_rev <= LPFC_SLI_REV3) { 728 /* Clear all interrupt enable conditions */ 729 writel(0, phba->HCregaddr); 730 readl(phba->HCregaddr); /* flush */ 731 /* Clear all pending interrupts */ 732 writel(0xffffffff, phba->HAregaddr); 733 readl(phba->HAregaddr); /* flush */ 734 } 735 phba->link_state = LPFC_HBA_ERROR; 736 if (rc != MBX_BUSY || flag == MBX_POLL) 737 mempool_free(pmb, phba->mbox_mem_pool); 738 return -EIO; 739 } 740 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; 741 if (flag == MBX_POLL) 742 mempool_free(pmb, phba->mbox_mem_pool); 743 744 return 0; 745 } 746 747 /** 748 * lpfc_hba_down_link - this routine downs the FC link 749 * @phba: pointer to lpfc hba data structure. 750 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT 751 * 752 * This routine will issue the DOWN_LINK mailbox command call. 753 * It is available to other drivers through the lpfc_hba data 754 * structure for use to stop the link. 755 * 756 * Return code 757 * 0 - success 758 * Any other value - error 759 **/ 760 static int 761 lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) 762 { 763 LPFC_MBOXQ_t *pmb; 764 int rc; 765 766 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 767 if (!pmb) { 768 phba->link_state = LPFC_HBA_ERROR; 769 return -ENOMEM; 770 } 771 772 lpfc_printf_log(phba, 773 KERN_ERR, LOG_INIT, 774 "0491 Adapter Link is disabled.\n"); 775 lpfc_down_link(phba, pmb); 776 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 777 rc = lpfc_sli_issue_mbox(phba, pmb, flag); 778 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { 779 lpfc_printf_log(phba, 780 KERN_ERR, LOG_INIT, 781 "2522 Adapter failed to issue DOWN_LINK" 782 " mbox command rc 0x%x\n", rc); 783 784 mempool_free(pmb, phba->mbox_mem_pool); 785 return -EIO; 786 } 787 if (flag == MBX_POLL) 788 mempool_free(pmb, phba->mbox_mem_pool); 789 790 return 0; 791 } 792 793 /** 794 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset 795 * @phba: pointer to lpfc HBA data structure. 796 * 797 * This routine will do LPFC uninitialization before the HBA is reset when 798 * bringing down the SLI Layer. 799 * 800 * Return codes 801 * 0 - success. 802 * Any other value - error. 803 **/ 804 int 805 lpfc_hba_down_prep(struct lpfc_hba *phba) 806 { 807 struct lpfc_vport **vports; 808 int i; 809 810 if (phba->sli_rev <= LPFC_SLI_REV3) { 811 /* Disable interrupts */ 812 writel(0, phba->HCregaddr); 813 readl(phba->HCregaddr); /* flush */ 814 } 815 816 if (phba->pport->load_flag & FC_UNLOADING) 817 lpfc_cleanup_discovery_resources(phba->pport); 818 else { 819 vports = lpfc_create_vport_work_array(phba); 820 if (vports != NULL) 821 for (i = 0; i <= phba->max_vports && 822 vports[i] != NULL; i++) 823 lpfc_cleanup_discovery_resources(vports[i]); 824 lpfc_destroy_vport_work_array(phba, vports); 825 } 826 return 0; 827 } 828 829 /** 830 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free 831 * rspiocb which got deferred 832 * 833 * @phba: pointer to lpfc HBA data structure. 834 * 835 * This routine will cleanup completed slow path events after HBA is reset 836 * when bringing down the SLI Layer. 837 * 838 * 839 * Return codes 840 * void. 841 **/ 842 static void 843 lpfc_sli4_free_sp_events(struct lpfc_hba *phba) 844 { 845 struct lpfc_iocbq *rspiocbq; 846 struct hbq_dmabuf *dmabuf; 847 struct lpfc_cq_event *cq_event; 848 849 spin_lock_irq(&phba->hbalock); 850 phba->hba_flag &= ~HBA_SP_QUEUE_EVT; 851 spin_unlock_irq(&phba->hbalock); 852 853 while (!list_empty(&phba->sli4_hba.sp_queue_event)) { 854 /* Get the response iocb from the head of work queue */ 855 spin_lock_irq(&phba->hbalock); 856 list_remove_head(&phba->sli4_hba.sp_queue_event, 857 cq_event, struct lpfc_cq_event, list); 858 spin_unlock_irq(&phba->hbalock); 859 860 switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { 861 case CQE_CODE_COMPL_WQE: 862 rspiocbq = container_of(cq_event, struct lpfc_iocbq, 863 cq_event); 864 lpfc_sli_release_iocbq(phba, rspiocbq); 865 break; 866 case CQE_CODE_RECEIVE: 867 case CQE_CODE_RECEIVE_V1: 868 dmabuf = container_of(cq_event, struct hbq_dmabuf, 869 cq_event); 870 lpfc_in_buf_free(phba, &dmabuf->dbuf); 871 } 872 } 873 } 874 875 /** 876 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset 877 * @phba: pointer to lpfc HBA data structure. 878 * 879 * This routine will cleanup posted ELS buffers after the HBA is reset 880 * when bringing down the SLI Layer. 881 * 882 * 883 * Return codes 884 * void. 885 **/ 886 static void 887 lpfc_hba_free_post_buf(struct lpfc_hba *phba) 888 { 889 struct lpfc_sli *psli = &phba->sli; 890 struct lpfc_sli_ring *pring; 891 struct lpfc_dmabuf *mp, *next_mp; 892 LIST_HEAD(buflist); 893 int count; 894 895 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) 896 lpfc_sli_hbqbuf_free_all(phba); 897 else { 898 /* Cleanup preposted buffers on the ELS ring */ 899 pring = &psli->sli3_ring[LPFC_ELS_RING]; 900 spin_lock_irq(&phba->hbalock); 901 list_splice_init(&pring->postbufq, &buflist); 902 spin_unlock_irq(&phba->hbalock); 903 904 count = 0; 905 list_for_each_entry_safe(mp, next_mp, &buflist, list) { 906 list_del(&mp->list); 907 count++; 908 lpfc_mbuf_free(phba, mp->virt, mp->phys); 909 kfree(mp); 910 } 911 912 spin_lock_irq(&phba->hbalock); 913 pring->postbufq_cnt -= count; 914 spin_unlock_irq(&phba->hbalock); 915 } 916 } 917 918 /** 919 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset 920 * @phba: pointer to lpfc HBA data structure. 921 * 922 * This routine will cleanup the txcmplq after the HBA is reset when bringing 923 * down the SLI Layer. 924 * 925 * Return codes 926 * void 927 **/ 928 static void 929 lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) 930 { 931 struct lpfc_sli *psli = &phba->sli; 932 struct lpfc_queue *qp = NULL; 933 struct lpfc_sli_ring *pring; 934 LIST_HEAD(completions); 935 int i; 936 937 if (phba->sli_rev != LPFC_SLI_REV4) { 938 for (i = 0; i < psli->num_rings; i++) { 939 pring = &psli->sli3_ring[i]; 940 spin_lock_irq(&phba->hbalock); 941 /* At this point in time the HBA is either reset or DOA 942 * Nothing should be on txcmplq as it will 943 * NEVER complete. 944 */ 945 list_splice_init(&pring->txcmplq, &completions); 946 pring->txcmplq_cnt = 0; 947 spin_unlock_irq(&phba->hbalock); 948 949 lpfc_sli_abort_iocb_ring(phba, pring); 950 } 951 /* Cancel all the IOCBs from the completions list */ 952 lpfc_sli_cancel_iocbs(phba, &completions, 953 IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); 954 return; 955 } 956 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { 957 pring = qp->pring; 958 if (!pring) 959 continue; 960 spin_lock_irq(&pring->ring_lock); 961 list_splice_init(&pring->txcmplq, &completions); 962 pring->txcmplq_cnt = 0; 963 spin_unlock_irq(&pring->ring_lock); 964 lpfc_sli_abort_iocb_ring(phba, pring); 965 } 966 /* Cancel all the IOCBs from the completions list */ 967 lpfc_sli_cancel_iocbs(phba, &completions, 968 IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); 969 } 970 971 /** 972 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset 973 int i; 974 * @phba: pointer to lpfc HBA data structure. 975 * 976 * This routine will do uninitialization after the HBA is reset when bring 977 * down the SLI Layer. 978 * 979 * Return codes 980 * 0 - success. 981 * Any other value - error. 982 **/ 983 static int 984 lpfc_hba_down_post_s3(struct lpfc_hba *phba) 985 { 986 lpfc_hba_free_post_buf(phba); 987 lpfc_hba_clean_txcmplq(phba); 988 return 0; 989 } 990 991 /** 992 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset 993 * @phba: pointer to lpfc HBA data structure. 994 * 995 * This routine will do uninitialization after the HBA is reset when bring 996 * down the SLI Layer. 997 * 998 * Return codes 999 * 0 - success. 1000 * Any other value - error. 1001 **/ 1002 static int 1003 lpfc_hba_down_post_s4(struct lpfc_hba *phba) 1004 { 1005 struct lpfc_scsi_buf *psb, *psb_next; 1006 LIST_HEAD(aborts); 1007 LIST_HEAD(nvme_aborts); 1008 unsigned long iflag = 0; 1009 struct lpfc_sglq *sglq_entry = NULL; 1010 1011 1012 lpfc_sli_hbqbuf_free_all(phba); 1013 lpfc_hba_clean_txcmplq(phba); 1014 1015 /* At this point in time the HBA is either reset or DOA. Either 1016 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be 1017 * on the lpfc_els_sgl_list so that it can either be freed if the 1018 * driver is unloading or reposted if the driver is restarting 1019 * the port. 1020 */ 1021 spin_lock_irq(&phba->hbalock); /* required for lpfc_els_sgl_list and */ 1022 /* scsl_buf_list */ 1023 /* sgl_list_lock required because worker thread uses this 1024 * list. 1025 */ 1026 spin_lock(&phba->sli4_hba.sgl_list_lock); 1027 list_for_each_entry(sglq_entry, 1028 &phba->sli4_hba.lpfc_abts_els_sgl_list, list) 1029 sglq_entry->state = SGL_FREED; 1030 list_for_each_entry(sglq_entry, 1031 &phba->sli4_hba.lpfc_abts_nvmet_sgl_list, list) 1032 sglq_entry->state = SGL_FREED; 1033 1034 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, 1035 &phba->sli4_hba.lpfc_els_sgl_list); 1036 1037 if (phba->sli4_hba.nvme_wq) 1038 list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_sgl_list, 1039 &phba->sli4_hba.lpfc_nvmet_sgl_list); 1040 1041 spin_unlock(&phba->sli4_hba.sgl_list_lock); 1042 /* abts_scsi_buf_list_lock required because worker thread uses this 1043 * list. 1044 */ 1045 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { 1046 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); 1047 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, 1048 &aborts); 1049 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); 1050 } 1051 1052 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 1053 spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 1054 list_splice_init(&phba->sli4_hba.lpfc_abts_nvme_buf_list, 1055 &nvme_aborts); 1056 spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 1057 } 1058 1059 spin_unlock_irq(&phba->hbalock); 1060 1061 list_for_each_entry_safe(psb, psb_next, &aborts, list) { 1062 psb->pCmd = NULL; 1063 psb->status = IOSTAT_SUCCESS; 1064 } 1065 spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); 1066 list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); 1067 spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); 1068 1069 list_for_each_entry_safe(psb, psb_next, &nvme_aborts, list) { 1070 psb->pCmd = NULL; 1071 psb->status = IOSTAT_SUCCESS; 1072 } 1073 spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); 1074 list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put); 1075 spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); 1076 1077 lpfc_sli4_free_sp_events(phba); 1078 return 0; 1079 } 1080 1081 /** 1082 * lpfc_hba_down_post - Wrapper func for hba down post routine 1083 * @phba: pointer to lpfc HBA data structure. 1084 * 1085 * This routine wraps the actual SLI3 or SLI4 routine for performing 1086 * uninitialization after the HBA is reset when bring down the SLI Layer. 1087 * 1088 * Return codes 1089 * 0 - success. 1090 * Any other value - error. 1091 **/ 1092 int 1093 lpfc_hba_down_post(struct lpfc_hba *phba) 1094 { 1095 return (*phba->lpfc_hba_down_post)(phba); 1096 } 1097 1098 /** 1099 * lpfc_hb_timeout - The HBA-timer timeout handler 1100 * @ptr: unsigned long holds the pointer to lpfc hba data structure. 1101 * 1102 * This is the HBA-timer timeout handler registered to the lpfc driver. When 1103 * this timer fires, a HBA timeout event shall be posted to the lpfc driver 1104 * work-port-events bitmap and the worker thread is notified. This timeout 1105 * event will be used by the worker thread to invoke the actual timeout 1106 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will 1107 * be performed in the timeout handler and the HBA timeout event bit shall 1108 * be cleared by the worker thread after it has taken the event bitmap out. 1109 **/ 1110 static void 1111 lpfc_hb_timeout(unsigned long ptr) 1112 { 1113 struct lpfc_hba *phba; 1114 uint32_t tmo_posted; 1115 unsigned long iflag; 1116 1117 phba = (struct lpfc_hba *)ptr; 1118 1119 /* Check for heart beat timeout conditions */ 1120 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 1121 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; 1122 if (!tmo_posted) 1123 phba->pport->work_port_events |= WORKER_HB_TMO; 1124 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 1125 1126 /* Tell the worker thread there is work to do */ 1127 if (!tmo_posted) 1128 lpfc_worker_wake_up(phba); 1129 return; 1130 } 1131 1132 /** 1133 * lpfc_rrq_timeout - The RRQ-timer timeout handler 1134 * @ptr: unsigned long holds the pointer to lpfc hba data structure. 1135 * 1136 * This is the RRQ-timer timeout handler registered to the lpfc driver. When 1137 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver 1138 * work-port-events bitmap and the worker thread is notified. This timeout 1139 * event will be used by the worker thread to invoke the actual timeout 1140 * handler routine, lpfc_rrq_handler. Any periodical operations will 1141 * be performed in the timeout handler and the RRQ timeout event bit shall 1142 * be cleared by the worker thread after it has taken the event bitmap out. 1143 **/ 1144 static void 1145 lpfc_rrq_timeout(unsigned long ptr) 1146 { 1147 struct lpfc_hba *phba; 1148 unsigned long iflag; 1149 1150 phba = (struct lpfc_hba *)ptr; 1151 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 1152 if (!(phba->pport->load_flag & FC_UNLOADING)) 1153 phba->hba_flag |= HBA_RRQ_ACTIVE; 1154 else 1155 phba->hba_flag &= ~HBA_RRQ_ACTIVE; 1156 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 1157 1158 if (!(phba->pport->load_flag & FC_UNLOADING)) 1159 lpfc_worker_wake_up(phba); 1160 } 1161 1162 /** 1163 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function 1164 * @phba: pointer to lpfc hba data structure. 1165 * @pmboxq: pointer to the driver internal queue element for mailbox command. 1166 * 1167 * This is the callback function to the lpfc heart-beat mailbox command. 1168 * If configured, the lpfc driver issues the heart-beat mailbox command to 1169 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the 1170 * heart-beat mailbox command is issued, the driver shall set up heart-beat 1171 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks 1172 * heart-beat outstanding state. Once the mailbox command comes back and 1173 * no error conditions detected, the heart-beat mailbox command timer is 1174 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding 1175 * state is cleared for the next heart-beat. If the timer expired with the 1176 * heart-beat outstanding state set, the driver will put the HBA offline. 1177 **/ 1178 static void 1179 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 1180 { 1181 unsigned long drvr_flag; 1182 1183 spin_lock_irqsave(&phba->hbalock, drvr_flag); 1184 phba->hb_outstanding = 0; 1185 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 1186 1187 /* Check and reset heart-beat timer is necessary */ 1188 mempool_free(pmboxq, phba->mbox_mem_pool); 1189 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && 1190 !(phba->link_state == LPFC_HBA_ERROR) && 1191 !(phba->pport->load_flag & FC_UNLOADING)) 1192 mod_timer(&phba->hb_tmofunc, 1193 jiffies + 1194 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); 1195 return; 1196 } 1197 1198 /** 1199 * lpfc_hb_timeout_handler - The HBA-timer timeout handler 1200 * @phba: pointer to lpfc hba data structure. 1201 * 1202 * This is the actual HBA-timer timeout handler to be invoked by the worker 1203 * thread whenever the HBA timer fired and HBA-timeout event posted. This 1204 * handler performs any periodic operations needed for the device. If such 1205 * periodic event has already been attended to either in the interrupt handler 1206 * or by processing slow-ring or fast-ring events within the HBA-timer 1207 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets 1208 * the timer for the next timeout period. If lpfc heart-beat mailbox command 1209 * is configured and there is no heart-beat mailbox command outstanding, a 1210 * heart-beat mailbox is issued and timer set properly. Otherwise, if there 1211 * has been a heart-beat mailbox command outstanding, the HBA shall be put 1212 * to offline. 1213 **/ 1214 void 1215 lpfc_hb_timeout_handler(struct lpfc_hba *phba) 1216 { 1217 struct lpfc_vport **vports; 1218 LPFC_MBOXQ_t *pmboxq; 1219 struct lpfc_dmabuf *buf_ptr; 1220 int retval, i; 1221 struct lpfc_sli *psli = &phba->sli; 1222 LIST_HEAD(completions); 1223 1224 vports = lpfc_create_vport_work_array(phba); 1225 if (vports != NULL) 1226 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 1227 lpfc_rcv_seq_check_edtov(vports[i]); 1228 lpfc_fdmi_num_disc_check(vports[i]); 1229 } 1230 lpfc_destroy_vport_work_array(phba, vports); 1231 1232 if ((phba->link_state == LPFC_HBA_ERROR) || 1233 (phba->pport->load_flag & FC_UNLOADING) || 1234 (phba->pport->fc_flag & FC_OFFLINE_MODE)) 1235 return; 1236 1237 spin_lock_irq(&phba->pport->work_port_lock); 1238 1239 if (time_after(phba->last_completion_time + 1240 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL), 1241 jiffies)) { 1242 spin_unlock_irq(&phba->pport->work_port_lock); 1243 if (!phba->hb_outstanding) 1244 mod_timer(&phba->hb_tmofunc, 1245 jiffies + 1246 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); 1247 else 1248 mod_timer(&phba->hb_tmofunc, 1249 jiffies + 1250 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); 1251 return; 1252 } 1253 spin_unlock_irq(&phba->pport->work_port_lock); 1254 1255 if (phba->elsbuf_cnt && 1256 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { 1257 spin_lock_irq(&phba->hbalock); 1258 list_splice_init(&phba->elsbuf, &completions); 1259 phba->elsbuf_cnt = 0; 1260 phba->elsbuf_prev_cnt = 0; 1261 spin_unlock_irq(&phba->hbalock); 1262 1263 while (!list_empty(&completions)) { 1264 list_remove_head(&completions, buf_ptr, 1265 struct lpfc_dmabuf, list); 1266 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 1267 kfree(buf_ptr); 1268 } 1269 } 1270 phba->elsbuf_prev_cnt = phba->elsbuf_cnt; 1271 1272 /* If there is no heart beat outstanding, issue a heartbeat command */ 1273 if (phba->cfg_enable_hba_heartbeat) { 1274 if (!phba->hb_outstanding) { 1275 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && 1276 (list_empty(&psli->mboxq))) { 1277 pmboxq = mempool_alloc(phba->mbox_mem_pool, 1278 GFP_KERNEL); 1279 if (!pmboxq) { 1280 mod_timer(&phba->hb_tmofunc, 1281 jiffies + 1282 msecs_to_jiffies(1000 * 1283 LPFC_HB_MBOX_INTERVAL)); 1284 return; 1285 } 1286 1287 lpfc_heart_beat(phba, pmboxq); 1288 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; 1289 pmboxq->vport = phba->pport; 1290 retval = lpfc_sli_issue_mbox(phba, pmboxq, 1291 MBX_NOWAIT); 1292 1293 if (retval != MBX_BUSY && 1294 retval != MBX_SUCCESS) { 1295 mempool_free(pmboxq, 1296 phba->mbox_mem_pool); 1297 mod_timer(&phba->hb_tmofunc, 1298 jiffies + 1299 msecs_to_jiffies(1000 * 1300 LPFC_HB_MBOX_INTERVAL)); 1301 return; 1302 } 1303 phba->skipped_hb = 0; 1304 phba->hb_outstanding = 1; 1305 } else if (time_before_eq(phba->last_completion_time, 1306 phba->skipped_hb)) { 1307 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1308 "2857 Last completion time not " 1309 " updated in %d ms\n", 1310 jiffies_to_msecs(jiffies 1311 - phba->last_completion_time)); 1312 } else 1313 phba->skipped_hb = jiffies; 1314 1315 mod_timer(&phba->hb_tmofunc, 1316 jiffies + 1317 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); 1318 return; 1319 } else { 1320 /* 1321 * If heart beat timeout called with hb_outstanding set 1322 * we need to give the hb mailbox cmd a chance to 1323 * complete or TMO. 1324 */ 1325 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1326 "0459 Adapter heartbeat still out" 1327 "standing:last compl time was %d ms.\n", 1328 jiffies_to_msecs(jiffies 1329 - phba->last_completion_time)); 1330 mod_timer(&phba->hb_tmofunc, 1331 jiffies + 1332 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); 1333 } 1334 } else { 1335 mod_timer(&phba->hb_tmofunc, 1336 jiffies + 1337 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); 1338 } 1339 } 1340 1341 /** 1342 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention 1343 * @phba: pointer to lpfc hba data structure. 1344 * 1345 * This routine is called to bring the HBA offline when HBA hardware error 1346 * other than Port Error 6 has been detected. 1347 **/ 1348 static void 1349 lpfc_offline_eratt(struct lpfc_hba *phba) 1350 { 1351 struct lpfc_sli *psli = &phba->sli; 1352 1353 spin_lock_irq(&phba->hbalock); 1354 psli->sli_flag &= ~LPFC_SLI_ACTIVE; 1355 spin_unlock_irq(&phba->hbalock); 1356 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); 1357 1358 lpfc_offline(phba); 1359 lpfc_reset_barrier(phba); 1360 spin_lock_irq(&phba->hbalock); 1361 lpfc_sli_brdreset(phba); 1362 spin_unlock_irq(&phba->hbalock); 1363 lpfc_hba_down_post(phba); 1364 lpfc_sli_brdready(phba, HS_MBRDY); 1365 lpfc_unblock_mgmt_io(phba); 1366 phba->link_state = LPFC_HBA_ERROR; 1367 return; 1368 } 1369 1370 /** 1371 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention 1372 * @phba: pointer to lpfc hba data structure. 1373 * 1374 * This routine is called to bring a SLI4 HBA offline when HBA hardware error 1375 * other than Port Error 6 has been detected. 1376 **/ 1377 void 1378 lpfc_sli4_offline_eratt(struct lpfc_hba *phba) 1379 { 1380 spin_lock_irq(&phba->hbalock); 1381 phba->link_state = LPFC_HBA_ERROR; 1382 spin_unlock_irq(&phba->hbalock); 1383 1384 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); 1385 lpfc_offline(phba); 1386 lpfc_hba_down_post(phba); 1387 lpfc_unblock_mgmt_io(phba); 1388 } 1389 1390 /** 1391 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler 1392 * @phba: pointer to lpfc hba data structure. 1393 * 1394 * This routine is invoked to handle the deferred HBA hardware error 1395 * conditions. This type of error is indicated by HBA by setting ER1 1396 * and another ER bit in the host status register. The driver will 1397 * wait until the ER1 bit clears before handling the error condition. 1398 **/ 1399 static void 1400 lpfc_handle_deferred_eratt(struct lpfc_hba *phba) 1401 { 1402 uint32_t old_host_status = phba->work_hs; 1403 struct lpfc_sli *psli = &phba->sli; 1404 1405 /* If the pci channel is offline, ignore possible errors, 1406 * since we cannot communicate with the pci card anyway. 1407 */ 1408 if (pci_channel_offline(phba->pcidev)) { 1409 spin_lock_irq(&phba->hbalock); 1410 phba->hba_flag &= ~DEFER_ERATT; 1411 spin_unlock_irq(&phba->hbalock); 1412 return; 1413 } 1414 1415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1416 "0479 Deferred Adapter Hardware Error " 1417 "Data: x%x x%x x%x\n", 1418 phba->work_hs, 1419 phba->work_status[0], phba->work_status[1]); 1420 1421 spin_lock_irq(&phba->hbalock); 1422 psli->sli_flag &= ~LPFC_SLI_ACTIVE; 1423 spin_unlock_irq(&phba->hbalock); 1424 1425 1426 /* 1427 * Firmware stops when it triggred erratt. That could cause the I/Os 1428 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the 1429 * SCSI layer retry it after re-establishing link. 1430 */ 1431 lpfc_sli_abort_fcp_rings(phba); 1432 1433 /* 1434 * There was a firmware error. Take the hba offline and then 1435 * attempt to restart it. 1436 */ 1437 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 1438 lpfc_offline(phba); 1439 1440 /* Wait for the ER1 bit to clear.*/ 1441 while (phba->work_hs & HS_FFER1) { 1442 msleep(100); 1443 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { 1444 phba->work_hs = UNPLUG_ERR ; 1445 break; 1446 } 1447 /* If driver is unloading let the worker thread continue */ 1448 if (phba->pport->load_flag & FC_UNLOADING) { 1449 phba->work_hs = 0; 1450 break; 1451 } 1452 } 1453 1454 /* 1455 * This is to ptrotect against a race condition in which 1456 * first write to the host attention register clear the 1457 * host status register. 1458 */ 1459 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) 1460 phba->work_hs = old_host_status & ~HS_FFER1; 1461 1462 spin_lock_irq(&phba->hbalock); 1463 phba->hba_flag &= ~DEFER_ERATT; 1464 spin_unlock_irq(&phba->hbalock); 1465 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); 1466 phba->work_status[1] = readl(phba->MBslimaddr + 0xac); 1467 } 1468 1469 static void 1470 lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) 1471 { 1472 struct lpfc_board_event_header board_event; 1473 struct Scsi_Host *shost; 1474 1475 board_event.event_type = FC_REG_BOARD_EVENT; 1476 board_event.subcategory = LPFC_EVENT_PORTINTERR; 1477 shost = lpfc_shost_from_vport(phba->pport); 1478 fc_host_post_vendor_event(shost, fc_get_event_number(), 1479 sizeof(board_event), 1480 (char *) &board_event, 1481 LPFC_NL_VENDOR_ID); 1482 } 1483 1484 /** 1485 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler 1486 * @phba: pointer to lpfc hba data structure. 1487 * 1488 * This routine is invoked to handle the following HBA hardware error 1489 * conditions: 1490 * 1 - HBA error attention interrupt 1491 * 2 - DMA ring index out of range 1492 * 3 - Mailbox command came back as unknown 1493 **/ 1494 static void 1495 lpfc_handle_eratt_s3(struct lpfc_hba *phba) 1496 { 1497 struct lpfc_vport *vport = phba->pport; 1498 struct lpfc_sli *psli = &phba->sli; 1499 uint32_t event_data; 1500 unsigned long temperature; 1501 struct temp_event temp_event_data; 1502 struct Scsi_Host *shost; 1503 1504 /* If the pci channel is offline, ignore possible errors, 1505 * since we cannot communicate with the pci card anyway. 1506 */ 1507 if (pci_channel_offline(phba->pcidev)) { 1508 spin_lock_irq(&phba->hbalock); 1509 phba->hba_flag &= ~DEFER_ERATT; 1510 spin_unlock_irq(&phba->hbalock); 1511 return; 1512 } 1513 1514 /* If resets are disabled then leave the HBA alone and return */ 1515 if (!phba->cfg_enable_hba_reset) 1516 return; 1517 1518 /* Send an internal error event to mgmt application */ 1519 lpfc_board_errevt_to_mgmt(phba); 1520 1521 if (phba->hba_flag & DEFER_ERATT) 1522 lpfc_handle_deferred_eratt(phba); 1523 1524 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { 1525 if (phba->work_hs & HS_FFER6) 1526 /* Re-establishing Link */ 1527 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 1528 "1301 Re-establishing Link " 1529 "Data: x%x x%x x%x\n", 1530 phba->work_hs, phba->work_status[0], 1531 phba->work_status[1]); 1532 if (phba->work_hs & HS_FFER8) 1533 /* Device Zeroization */ 1534 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 1535 "2861 Host Authentication device " 1536 "zeroization Data:x%x x%x x%x\n", 1537 phba->work_hs, phba->work_status[0], 1538 phba->work_status[1]); 1539 1540 spin_lock_irq(&phba->hbalock); 1541 psli->sli_flag &= ~LPFC_SLI_ACTIVE; 1542 spin_unlock_irq(&phba->hbalock); 1543 1544 /* 1545 * Firmware stops when it triggled erratt with HS_FFER6. 1546 * That could cause the I/Os dropped by the firmware. 1547 * Error iocb (I/O) on txcmplq and let the SCSI layer 1548 * retry it after re-establishing link. 1549 */ 1550 lpfc_sli_abort_fcp_rings(phba); 1551 1552 /* 1553 * There was a firmware error. Take the hba offline and then 1554 * attempt to restart it. 1555 */ 1556 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); 1557 lpfc_offline(phba); 1558 lpfc_sli_brdrestart(phba); 1559 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 1560 lpfc_unblock_mgmt_io(phba); 1561 return; 1562 } 1563 lpfc_unblock_mgmt_io(phba); 1564 } else if (phba->work_hs & HS_CRIT_TEMP) { 1565 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); 1566 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 1567 temp_event_data.event_code = LPFC_CRIT_TEMP; 1568 temp_event_data.data = (uint32_t)temperature; 1569 1570 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1571 "0406 Adapter maximum temperature exceeded " 1572 "(%ld), taking this port offline " 1573 "Data: x%x x%x x%x\n", 1574 temperature, phba->work_hs, 1575 phba->work_status[0], phba->work_status[1]); 1576 1577 shost = lpfc_shost_from_vport(phba->pport); 1578 fc_host_post_vendor_event(shost, fc_get_event_number(), 1579 sizeof(temp_event_data), 1580 (char *) &temp_event_data, 1581 SCSI_NL_VID_TYPE_PCI 1582 | PCI_VENDOR_ID_EMULEX); 1583 1584 spin_lock_irq(&phba->hbalock); 1585 phba->over_temp_state = HBA_OVER_TEMP; 1586 spin_unlock_irq(&phba->hbalock); 1587 lpfc_offline_eratt(phba); 1588 1589 } else { 1590 /* The if clause above forces this code path when the status 1591 * failure is a value other than FFER6. Do not call the offline 1592 * twice. This is the adapter hardware error path. 1593 */ 1594 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1595 "0457 Adapter Hardware Error " 1596 "Data: x%x x%x x%x\n", 1597 phba->work_hs, 1598 phba->work_status[0], phba->work_status[1]); 1599 1600 event_data = FC_REG_DUMP_EVENT; 1601 shost = lpfc_shost_from_vport(vport); 1602 fc_host_post_vendor_event(shost, fc_get_event_number(), 1603 sizeof(event_data), (char *) &event_data, 1604 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 1605 1606 lpfc_offline_eratt(phba); 1607 } 1608 return; 1609 } 1610 1611 /** 1612 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg 1613 * @phba: pointer to lpfc hba data structure. 1614 * @mbx_action: flag for mailbox shutdown action. 1615 * 1616 * This routine is invoked to perform an SLI4 port PCI function reset in 1617 * response to port status register polling attention. It waits for port 1618 * status register (ERR, RDY, RN) bits before proceeding with function reset. 1619 * During this process, interrupt vectors are freed and later requested 1620 * for handling possible port resource change. 1621 **/ 1622 static int 1623 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action, 1624 bool en_rn_msg) 1625 { 1626 int rc; 1627 uint32_t intr_mode; 1628 1629 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == 1630 LPFC_SLI_INTF_IF_TYPE_2) { 1631 /* 1632 * On error status condition, driver need to wait for port 1633 * ready before performing reset. 1634 */ 1635 rc = lpfc_sli4_pdev_status_reg_wait(phba); 1636 if (rc) 1637 return rc; 1638 } 1639 1640 /* need reset: attempt for port recovery */ 1641 if (en_rn_msg) 1642 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1643 "2887 Reset Needed: Attempting Port " 1644 "Recovery...\n"); 1645 lpfc_offline_prep(phba, mbx_action); 1646 lpfc_offline(phba); 1647 /* release interrupt for possible resource change */ 1648 lpfc_sli4_disable_intr(phba); 1649 lpfc_sli_brdrestart(phba); 1650 /* request and enable interrupt */ 1651 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); 1652 if (intr_mode == LPFC_INTR_ERROR) { 1653 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1654 "3175 Failed to enable interrupt\n"); 1655 return -EIO; 1656 } 1657 phba->intr_mode = intr_mode; 1658 rc = lpfc_online(phba); 1659 if (rc == 0) 1660 lpfc_unblock_mgmt_io(phba); 1661 1662 return rc; 1663 } 1664 1665 /** 1666 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler 1667 * @phba: pointer to lpfc hba data structure. 1668 * 1669 * This routine is invoked to handle the SLI4 HBA hardware error attention 1670 * conditions. 1671 **/ 1672 static void 1673 lpfc_handle_eratt_s4(struct lpfc_hba *phba) 1674 { 1675 struct lpfc_vport *vport = phba->pport; 1676 uint32_t event_data; 1677 struct Scsi_Host *shost; 1678 uint32_t if_type; 1679 struct lpfc_register portstat_reg = {0}; 1680 uint32_t reg_err1, reg_err2; 1681 uint32_t uerrlo_reg, uemasklo_reg; 1682 uint32_t smphr_port_status = 0, pci_rd_rc1, pci_rd_rc2; 1683 bool en_rn_msg = true; 1684 struct temp_event temp_event_data; 1685 struct lpfc_register portsmphr_reg; 1686 int rc, i; 1687 1688 /* If the pci channel is offline, ignore possible errors, since 1689 * we cannot communicate with the pci card anyway. 1690 */ 1691 if (pci_channel_offline(phba->pcidev)) 1692 return; 1693 1694 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); 1695 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 1696 switch (if_type) { 1697 case LPFC_SLI_INTF_IF_TYPE_0: 1698 pci_rd_rc1 = lpfc_readl( 1699 phba->sli4_hba.u.if_type0.UERRLOregaddr, 1700 &uerrlo_reg); 1701 pci_rd_rc2 = lpfc_readl( 1702 phba->sli4_hba.u.if_type0.UEMASKLOregaddr, 1703 &uemasklo_reg); 1704 /* consider PCI bus read error as pci_channel_offline */ 1705 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) 1706 return; 1707 if (!(phba->hba_flag & HBA_RECOVERABLE_UE)) { 1708 lpfc_sli4_offline_eratt(phba); 1709 return; 1710 } 1711 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1712 "7623 Checking UE recoverable"); 1713 1714 for (i = 0; i < phba->sli4_hba.ue_to_sr / 1000; i++) { 1715 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, 1716 &portsmphr_reg.word0)) 1717 continue; 1718 1719 smphr_port_status = bf_get(lpfc_port_smphr_port_status, 1720 &portsmphr_reg); 1721 if ((smphr_port_status & LPFC_PORT_SEM_MASK) == 1722 LPFC_PORT_SEM_UE_RECOVERABLE) 1723 break; 1724 /*Sleep for 1Sec, before checking SEMAPHORE */ 1725 msleep(1000); 1726 } 1727 1728 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1729 "4827 smphr_port_status x%x : Waited %dSec", 1730 smphr_port_status, i); 1731 1732 /* Recoverable UE, reset the HBA device */ 1733 if ((smphr_port_status & LPFC_PORT_SEM_MASK) == 1734 LPFC_PORT_SEM_UE_RECOVERABLE) { 1735 for (i = 0; i < 20; i++) { 1736 msleep(1000); 1737 if (!lpfc_readl(phba->sli4_hba.PSMPHRregaddr, 1738 &portsmphr_reg.word0) && 1739 (LPFC_POST_STAGE_PORT_READY == 1740 bf_get(lpfc_port_smphr_port_status, 1741 &portsmphr_reg))) { 1742 rc = lpfc_sli4_port_sta_fn_reset(phba, 1743 LPFC_MBX_NO_WAIT, en_rn_msg); 1744 if (rc == 0) 1745 return; 1746 lpfc_printf_log(phba, 1747 KERN_ERR, LOG_INIT, 1748 "4215 Failed to recover UE"); 1749 break; 1750 } 1751 } 1752 } 1753 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1754 "7624 Firmware not ready: Failing UE recovery," 1755 " waited %dSec", i); 1756 lpfc_sli4_offline_eratt(phba); 1757 break; 1758 1759 case LPFC_SLI_INTF_IF_TYPE_2: 1760 pci_rd_rc1 = lpfc_readl( 1761 phba->sli4_hba.u.if_type2.STATUSregaddr, 1762 &portstat_reg.word0); 1763 /* consider PCI bus read error as pci_channel_offline */ 1764 if (pci_rd_rc1 == -EIO) { 1765 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1766 "3151 PCI bus read access failure: x%x\n", 1767 readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); 1768 return; 1769 } 1770 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); 1771 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); 1772 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { 1773 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1774 "2889 Port Overtemperature event, " 1775 "taking port offline Data: x%x x%x\n", 1776 reg_err1, reg_err2); 1777 1778 phba->sfp_alarm |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; 1779 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 1780 temp_event_data.event_code = LPFC_CRIT_TEMP; 1781 temp_event_data.data = 0xFFFFFFFF; 1782 1783 shost = lpfc_shost_from_vport(phba->pport); 1784 fc_host_post_vendor_event(shost, fc_get_event_number(), 1785 sizeof(temp_event_data), 1786 (char *)&temp_event_data, 1787 SCSI_NL_VID_TYPE_PCI 1788 | PCI_VENDOR_ID_EMULEX); 1789 1790 spin_lock_irq(&phba->hbalock); 1791 phba->over_temp_state = HBA_OVER_TEMP; 1792 spin_unlock_irq(&phba->hbalock); 1793 lpfc_sli4_offline_eratt(phba); 1794 return; 1795 } 1796 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && 1797 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) { 1798 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1799 "3143 Port Down: Firmware Update " 1800 "Detected\n"); 1801 en_rn_msg = false; 1802 } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && 1803 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) 1804 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1805 "3144 Port Down: Debug Dump\n"); 1806 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && 1807 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) 1808 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1809 "3145 Port Down: Provisioning\n"); 1810 1811 /* If resets are disabled then leave the HBA alone and return */ 1812 if (!phba->cfg_enable_hba_reset) 1813 return; 1814 1815 /* Check port status register for function reset */ 1816 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT, 1817 en_rn_msg); 1818 if (rc == 0) { 1819 /* don't report event on forced debug dump */ 1820 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && 1821 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) 1822 return; 1823 else 1824 break; 1825 } 1826 /* fall through for not able to recover */ 1827 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1828 "3152 Unrecoverable error, bring the port " 1829 "offline\n"); 1830 lpfc_sli4_offline_eratt(phba); 1831 break; 1832 case LPFC_SLI_INTF_IF_TYPE_1: 1833 default: 1834 break; 1835 } 1836 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1837 "3123 Report dump event to upper layer\n"); 1838 /* Send an internal error event to mgmt application */ 1839 lpfc_board_errevt_to_mgmt(phba); 1840 1841 event_data = FC_REG_DUMP_EVENT; 1842 shost = lpfc_shost_from_vport(vport); 1843 fc_host_post_vendor_event(shost, fc_get_event_number(), 1844 sizeof(event_data), (char *) &event_data, 1845 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 1846 } 1847 1848 /** 1849 * lpfc_handle_eratt - Wrapper func for handling hba error attention 1850 * @phba: pointer to lpfc HBA data structure. 1851 * 1852 * This routine wraps the actual SLI3 or SLI4 hba error attention handling 1853 * routine from the API jump table function pointer from the lpfc_hba struct. 1854 * 1855 * Return codes 1856 * 0 - success. 1857 * Any other value - error. 1858 **/ 1859 void 1860 lpfc_handle_eratt(struct lpfc_hba *phba) 1861 { 1862 (*phba->lpfc_handle_eratt)(phba); 1863 } 1864 1865 /** 1866 * lpfc_handle_latt - The HBA link event handler 1867 * @phba: pointer to lpfc hba data structure. 1868 * 1869 * This routine is invoked from the worker thread to handle a HBA host 1870 * attention link event. SLI3 only. 1871 **/ 1872 void 1873 lpfc_handle_latt(struct lpfc_hba *phba) 1874 { 1875 struct lpfc_vport *vport = phba->pport; 1876 struct lpfc_sli *psli = &phba->sli; 1877 LPFC_MBOXQ_t *pmb; 1878 volatile uint32_t control; 1879 struct lpfc_dmabuf *mp; 1880 int rc = 0; 1881 1882 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 1883 if (!pmb) { 1884 rc = 1; 1885 goto lpfc_handle_latt_err_exit; 1886 } 1887 1888 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 1889 if (!mp) { 1890 rc = 2; 1891 goto lpfc_handle_latt_free_pmb; 1892 } 1893 1894 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 1895 if (!mp->virt) { 1896 rc = 3; 1897 goto lpfc_handle_latt_free_mp; 1898 } 1899 1900 /* Cleanup any outstanding ELS commands */ 1901 lpfc_els_flush_all_cmd(phba); 1902 1903 psli->slistat.link_event++; 1904 lpfc_read_topology(phba, pmb, mp); 1905 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; 1906 pmb->vport = vport; 1907 /* Block ELS IOCBs until we have processed this mbox command */ 1908 phba->sli.sli3_ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; 1909 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); 1910 if (rc == MBX_NOT_FINISHED) { 1911 rc = 4; 1912 goto lpfc_handle_latt_free_mbuf; 1913 } 1914 1915 /* Clear Link Attention in HA REG */ 1916 spin_lock_irq(&phba->hbalock); 1917 writel(HA_LATT, phba->HAregaddr); 1918 readl(phba->HAregaddr); /* flush */ 1919 spin_unlock_irq(&phba->hbalock); 1920 1921 return; 1922 1923 lpfc_handle_latt_free_mbuf: 1924 phba->sli.sli3_ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; 1925 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1926 lpfc_handle_latt_free_mp: 1927 kfree(mp); 1928 lpfc_handle_latt_free_pmb: 1929 mempool_free(pmb, phba->mbox_mem_pool); 1930 lpfc_handle_latt_err_exit: 1931 /* Enable Link attention interrupts */ 1932 spin_lock_irq(&phba->hbalock); 1933 psli->sli_flag |= LPFC_PROCESS_LA; 1934 control = readl(phba->HCregaddr); 1935 control |= HC_LAINT_ENA; 1936 writel(control, phba->HCregaddr); 1937 readl(phba->HCregaddr); /* flush */ 1938 1939 /* Clear Link Attention in HA REG */ 1940 writel(HA_LATT, phba->HAregaddr); 1941 readl(phba->HAregaddr); /* flush */ 1942 spin_unlock_irq(&phba->hbalock); 1943 lpfc_linkdown(phba); 1944 phba->link_state = LPFC_HBA_ERROR; 1945 1946 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 1947 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); 1948 1949 return; 1950 } 1951 1952 /** 1953 * lpfc_parse_vpd - Parse VPD (Vital Product Data) 1954 * @phba: pointer to lpfc hba data structure. 1955 * @vpd: pointer to the vital product data. 1956 * @len: length of the vital product data in bytes. 1957 * 1958 * This routine parses the Vital Product Data (VPD). The VPD is treated as 1959 * an array of characters. In this routine, the ModelName, ProgramType, and 1960 * ModelDesc, etc. fields of the phba data structure will be populated. 1961 * 1962 * Return codes 1963 * 0 - pointer to the VPD passed in is NULL 1964 * 1 - success 1965 **/ 1966 int 1967 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) 1968 { 1969 uint8_t lenlo, lenhi; 1970 int Length; 1971 int i, j; 1972 int finished = 0; 1973 int index = 0; 1974 1975 if (!vpd) 1976 return 0; 1977 1978 /* Vital Product */ 1979 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1980 "0455 Vital Product Data: x%x x%x x%x x%x\n", 1981 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 1982 (uint32_t) vpd[3]); 1983 while (!finished && (index < (len - 4))) { 1984 switch (vpd[index]) { 1985 case 0x82: 1986 case 0x91: 1987 index += 1; 1988 lenlo = vpd[index]; 1989 index += 1; 1990 lenhi = vpd[index]; 1991 index += 1; 1992 i = ((((unsigned short)lenhi) << 8) + lenlo); 1993 index += i; 1994 break; 1995 case 0x90: 1996 index += 1; 1997 lenlo = vpd[index]; 1998 index += 1; 1999 lenhi = vpd[index]; 2000 index += 1; 2001 Length = ((((unsigned short)lenhi) << 8) + lenlo); 2002 if (Length > len - index) 2003 Length = len - index; 2004 while (Length > 0) { 2005 /* Look for Serial Number */ 2006 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 2007 index += 2; 2008 i = vpd[index]; 2009 index += 1; 2010 j = 0; 2011 Length -= (3+i); 2012 while(i--) { 2013 phba->SerialNumber[j++] = vpd[index++]; 2014 if (j == 31) 2015 break; 2016 } 2017 phba->SerialNumber[j] = 0; 2018 continue; 2019 } 2020 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 2021 phba->vpd_flag |= VPD_MODEL_DESC; 2022 index += 2; 2023 i = vpd[index]; 2024 index += 1; 2025 j = 0; 2026 Length -= (3+i); 2027 while(i--) { 2028 phba->ModelDesc[j++] = vpd[index++]; 2029 if (j == 255) 2030 break; 2031 } 2032 phba->ModelDesc[j] = 0; 2033 continue; 2034 } 2035 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 2036 phba->vpd_flag |= VPD_MODEL_NAME; 2037 index += 2; 2038 i = vpd[index]; 2039 index += 1; 2040 j = 0; 2041 Length -= (3+i); 2042 while(i--) { 2043 phba->ModelName[j++] = vpd[index++]; 2044 if (j == 79) 2045 break; 2046 } 2047 phba->ModelName[j] = 0; 2048 continue; 2049 } 2050 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 2051 phba->vpd_flag |= VPD_PROGRAM_TYPE; 2052 index += 2; 2053 i = vpd[index]; 2054 index += 1; 2055 j = 0; 2056 Length -= (3+i); 2057 while(i--) { 2058 phba->ProgramType[j++] = vpd[index++]; 2059 if (j == 255) 2060 break; 2061 } 2062 phba->ProgramType[j] = 0; 2063 continue; 2064 } 2065 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 2066 phba->vpd_flag |= VPD_PORT; 2067 index += 2; 2068 i = vpd[index]; 2069 index += 1; 2070 j = 0; 2071 Length -= (3+i); 2072 while(i--) { 2073 if ((phba->sli_rev == LPFC_SLI_REV4) && 2074 (phba->sli4_hba.pport_name_sta == 2075 LPFC_SLI4_PPNAME_GET)) { 2076 j++; 2077 index++; 2078 } else 2079 phba->Port[j++] = vpd[index++]; 2080 if (j == 19) 2081 break; 2082 } 2083 if ((phba->sli_rev != LPFC_SLI_REV4) || 2084 (phba->sli4_hba.pport_name_sta == 2085 LPFC_SLI4_PPNAME_NON)) 2086 phba->Port[j] = 0; 2087 continue; 2088 } 2089 else { 2090 index += 2; 2091 i = vpd[index]; 2092 index += 1; 2093 index += i; 2094 Length -= (3 + i); 2095 } 2096 } 2097 finished = 0; 2098 break; 2099 case 0x78: 2100 finished = 1; 2101 break; 2102 default: 2103 index ++; 2104 break; 2105 } 2106 } 2107 2108 return(1); 2109 } 2110 2111 /** 2112 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description 2113 * @phba: pointer to lpfc hba data structure. 2114 * @mdp: pointer to the data structure to hold the derived model name. 2115 * @descp: pointer to the data structure to hold the derived description. 2116 * 2117 * This routine retrieves HBA's description based on its registered PCI device 2118 * ID. The @descp passed into this function points to an array of 256 chars. It 2119 * shall be returned with the model name, maximum speed, and the host bus type. 2120 * The @mdp passed into this function points to an array of 80 chars. When the 2121 * function returns, the @mdp will be filled with the model name. 2122 **/ 2123 static void 2124 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) 2125 { 2126 lpfc_vpd_t *vp; 2127 uint16_t dev_id = phba->pcidev->device; 2128 int max_speed; 2129 int GE = 0; 2130 int oneConnect = 0; /* default is not a oneConnect */ 2131 struct { 2132 char *name; 2133 char *bus; 2134 char *function; 2135 } m = {"<Unknown>", "", ""}; 2136 2137 if (mdp && mdp[0] != '\0' 2138 && descp && descp[0] != '\0') 2139 return; 2140 2141 if (phba->lmt & LMT_32Gb) 2142 max_speed = 32; 2143 else if (phba->lmt & LMT_16Gb) 2144 max_speed = 16; 2145 else if (phba->lmt & LMT_10Gb) 2146 max_speed = 10; 2147 else if (phba->lmt & LMT_8Gb) 2148 max_speed = 8; 2149 else if (phba->lmt & LMT_4Gb) 2150 max_speed = 4; 2151 else if (phba->lmt & LMT_2Gb) 2152 max_speed = 2; 2153 else if (phba->lmt & LMT_1Gb) 2154 max_speed = 1; 2155 else 2156 max_speed = 0; 2157 2158 vp = &phba->vpd; 2159 2160 switch (dev_id) { 2161 case PCI_DEVICE_ID_FIREFLY: 2162 m = (typeof(m)){"LP6000", "PCI", 2163 "Obsolete, Unsupported Fibre Channel Adapter"}; 2164 break; 2165 case PCI_DEVICE_ID_SUPERFLY: 2166 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 2167 m = (typeof(m)){"LP7000", "PCI", ""}; 2168 else 2169 m = (typeof(m)){"LP7000E", "PCI", ""}; 2170 m.function = "Obsolete, Unsupported Fibre Channel Adapter"; 2171 break; 2172 case PCI_DEVICE_ID_DRAGONFLY: 2173 m = (typeof(m)){"LP8000", "PCI", 2174 "Obsolete, Unsupported Fibre Channel Adapter"}; 2175 break; 2176 case PCI_DEVICE_ID_CENTAUR: 2177 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 2178 m = (typeof(m)){"LP9002", "PCI", ""}; 2179 else 2180 m = (typeof(m)){"LP9000", "PCI", ""}; 2181 m.function = "Obsolete, Unsupported Fibre Channel Adapter"; 2182 break; 2183 case PCI_DEVICE_ID_RFLY: 2184 m = (typeof(m)){"LP952", "PCI", 2185 "Obsolete, Unsupported Fibre Channel Adapter"}; 2186 break; 2187 case PCI_DEVICE_ID_PEGASUS: 2188 m = (typeof(m)){"LP9802", "PCI-X", 2189 "Obsolete, Unsupported Fibre Channel Adapter"}; 2190 break; 2191 case PCI_DEVICE_ID_THOR: 2192 m = (typeof(m)){"LP10000", "PCI-X", 2193 "Obsolete, Unsupported Fibre Channel Adapter"}; 2194 break; 2195 case PCI_DEVICE_ID_VIPER: 2196 m = (typeof(m)){"LPX1000", "PCI-X", 2197 "Obsolete, Unsupported Fibre Channel Adapter"}; 2198 break; 2199 case PCI_DEVICE_ID_PFLY: 2200 m = (typeof(m)){"LP982", "PCI-X", 2201 "Obsolete, Unsupported Fibre Channel Adapter"}; 2202 break; 2203 case PCI_DEVICE_ID_TFLY: 2204 m = (typeof(m)){"LP1050", "PCI-X", 2205 "Obsolete, Unsupported Fibre Channel Adapter"}; 2206 break; 2207 case PCI_DEVICE_ID_HELIOS: 2208 m = (typeof(m)){"LP11000", "PCI-X2", 2209 "Obsolete, Unsupported Fibre Channel Adapter"}; 2210 break; 2211 case PCI_DEVICE_ID_HELIOS_SCSP: 2212 m = (typeof(m)){"LP11000-SP", "PCI-X2", 2213 "Obsolete, Unsupported Fibre Channel Adapter"}; 2214 break; 2215 case PCI_DEVICE_ID_HELIOS_DCSP: 2216 m = (typeof(m)){"LP11002-SP", "PCI-X2", 2217 "Obsolete, Unsupported Fibre Channel Adapter"}; 2218 break; 2219 case PCI_DEVICE_ID_NEPTUNE: 2220 m = (typeof(m)){"LPe1000", "PCIe", 2221 "Obsolete, Unsupported Fibre Channel Adapter"}; 2222 break; 2223 case PCI_DEVICE_ID_NEPTUNE_SCSP: 2224 m = (typeof(m)){"LPe1000-SP", "PCIe", 2225 "Obsolete, Unsupported Fibre Channel Adapter"}; 2226 break; 2227 case PCI_DEVICE_ID_NEPTUNE_DCSP: 2228 m = (typeof(m)){"LPe1002-SP", "PCIe", 2229 "Obsolete, Unsupported Fibre Channel Adapter"}; 2230 break; 2231 case PCI_DEVICE_ID_BMID: 2232 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; 2233 break; 2234 case PCI_DEVICE_ID_BSMB: 2235 m = (typeof(m)){"LP111", "PCI-X2", 2236 "Obsolete, Unsupported Fibre Channel Adapter"}; 2237 break; 2238 case PCI_DEVICE_ID_ZEPHYR: 2239 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; 2240 break; 2241 case PCI_DEVICE_ID_ZEPHYR_SCSP: 2242 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; 2243 break; 2244 case PCI_DEVICE_ID_ZEPHYR_DCSP: 2245 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; 2246 GE = 1; 2247 break; 2248 case PCI_DEVICE_ID_ZMID: 2249 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; 2250 break; 2251 case PCI_DEVICE_ID_ZSMB: 2252 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; 2253 break; 2254 case PCI_DEVICE_ID_LP101: 2255 m = (typeof(m)){"LP101", "PCI-X", 2256 "Obsolete, Unsupported Fibre Channel Adapter"}; 2257 break; 2258 case PCI_DEVICE_ID_LP10000S: 2259 m = (typeof(m)){"LP10000-S", "PCI", 2260 "Obsolete, Unsupported Fibre Channel Adapter"}; 2261 break; 2262 case PCI_DEVICE_ID_LP11000S: 2263 m = (typeof(m)){"LP11000-S", "PCI-X2", 2264 "Obsolete, Unsupported Fibre Channel Adapter"}; 2265 break; 2266 case PCI_DEVICE_ID_LPE11000S: 2267 m = (typeof(m)){"LPe11000-S", "PCIe", 2268 "Obsolete, Unsupported Fibre Channel Adapter"}; 2269 break; 2270 case PCI_DEVICE_ID_SAT: 2271 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; 2272 break; 2273 case PCI_DEVICE_ID_SAT_MID: 2274 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; 2275 break; 2276 case PCI_DEVICE_ID_SAT_SMB: 2277 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; 2278 break; 2279 case PCI_DEVICE_ID_SAT_DCSP: 2280 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; 2281 break; 2282 case PCI_DEVICE_ID_SAT_SCSP: 2283 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; 2284 break; 2285 case PCI_DEVICE_ID_SAT_S: 2286 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; 2287 break; 2288 case PCI_DEVICE_ID_HORNET: 2289 m = (typeof(m)){"LP21000", "PCIe", 2290 "Obsolete, Unsupported FCoE Adapter"}; 2291 GE = 1; 2292 break; 2293 case PCI_DEVICE_ID_PROTEUS_VF: 2294 m = (typeof(m)){"LPev12000", "PCIe IOV", 2295 "Obsolete, Unsupported Fibre Channel Adapter"}; 2296 break; 2297 case PCI_DEVICE_ID_PROTEUS_PF: 2298 m = (typeof(m)){"LPev12000", "PCIe IOV", 2299 "Obsolete, Unsupported Fibre Channel Adapter"}; 2300 break; 2301 case PCI_DEVICE_ID_PROTEUS_S: 2302 m = (typeof(m)){"LPemv12002-S", "PCIe IOV", 2303 "Obsolete, Unsupported Fibre Channel Adapter"}; 2304 break; 2305 case PCI_DEVICE_ID_TIGERSHARK: 2306 oneConnect = 1; 2307 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; 2308 break; 2309 case PCI_DEVICE_ID_TOMCAT: 2310 oneConnect = 1; 2311 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; 2312 break; 2313 case PCI_DEVICE_ID_FALCON: 2314 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", 2315 "EmulexSecure Fibre"}; 2316 break; 2317 case PCI_DEVICE_ID_BALIUS: 2318 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", 2319 "Obsolete, Unsupported Fibre Channel Adapter"}; 2320 break; 2321 case PCI_DEVICE_ID_LANCER_FC: 2322 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; 2323 break; 2324 case PCI_DEVICE_ID_LANCER_FC_VF: 2325 m = (typeof(m)){"LPe16000", "PCIe", 2326 "Obsolete, Unsupported Fibre Channel Adapter"}; 2327 break; 2328 case PCI_DEVICE_ID_LANCER_FCOE: 2329 oneConnect = 1; 2330 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; 2331 break; 2332 case PCI_DEVICE_ID_LANCER_FCOE_VF: 2333 oneConnect = 1; 2334 m = (typeof(m)){"OCe15100", "PCIe", 2335 "Obsolete, Unsupported FCoE"}; 2336 break; 2337 case PCI_DEVICE_ID_LANCER_G6_FC: 2338 m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"}; 2339 break; 2340 case PCI_DEVICE_ID_SKYHAWK: 2341 case PCI_DEVICE_ID_SKYHAWK_VF: 2342 oneConnect = 1; 2343 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; 2344 break; 2345 default: 2346 m = (typeof(m)){"Unknown", "", ""}; 2347 break; 2348 } 2349 2350 if (mdp && mdp[0] == '\0') 2351 snprintf(mdp, 79,"%s", m.name); 2352 /* 2353 * oneConnect hba requires special processing, they are all initiators 2354 * and we put the port number on the end 2355 */ 2356 if (descp && descp[0] == '\0') { 2357 if (oneConnect) 2358 snprintf(descp, 255, 2359 "Emulex OneConnect %s, %s Initiator %s", 2360 m.name, m.function, 2361 phba->Port); 2362 else if (max_speed == 0) 2363 snprintf(descp, 255, 2364 "Emulex %s %s %s", 2365 m.name, m.bus, m.function); 2366 else 2367 snprintf(descp, 255, 2368 "Emulex %s %d%s %s %s", 2369 m.name, max_speed, (GE) ? "GE" : "Gb", 2370 m.bus, m.function); 2371 } 2372 } 2373 2374 /** 2375 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring 2376 * @phba: pointer to lpfc hba data structure. 2377 * @pring: pointer to a IOCB ring. 2378 * @cnt: the number of IOCBs to be posted to the IOCB ring. 2379 * 2380 * This routine posts a given number of IOCBs with the associated DMA buffer 2381 * descriptors specified by the cnt argument to the given IOCB ring. 2382 * 2383 * Return codes 2384 * The number of IOCBs NOT able to be posted to the IOCB ring. 2385 **/ 2386 int 2387 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) 2388 { 2389 IOCB_t *icmd; 2390 struct lpfc_iocbq *iocb; 2391 struct lpfc_dmabuf *mp1, *mp2; 2392 2393 cnt += pring->missbufcnt; 2394 2395 /* While there are buffers to post */ 2396 while (cnt > 0) { 2397 /* Allocate buffer for command iocb */ 2398 iocb = lpfc_sli_get_iocbq(phba); 2399 if (iocb == NULL) { 2400 pring->missbufcnt = cnt; 2401 return cnt; 2402 } 2403 icmd = &iocb->iocb; 2404 2405 /* 2 buffers can be posted per command */ 2406 /* Allocate buffer to post */ 2407 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 2408 if (mp1) 2409 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); 2410 if (!mp1 || !mp1->virt) { 2411 kfree(mp1); 2412 lpfc_sli_release_iocbq(phba, iocb); 2413 pring->missbufcnt = cnt; 2414 return cnt; 2415 } 2416 2417 INIT_LIST_HEAD(&mp1->list); 2418 /* Allocate buffer to post */ 2419 if (cnt > 1) { 2420 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 2421 if (mp2) 2422 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 2423 &mp2->phys); 2424 if (!mp2 || !mp2->virt) { 2425 kfree(mp2); 2426 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 2427 kfree(mp1); 2428 lpfc_sli_release_iocbq(phba, iocb); 2429 pring->missbufcnt = cnt; 2430 return cnt; 2431 } 2432 2433 INIT_LIST_HEAD(&mp2->list); 2434 } else { 2435 mp2 = NULL; 2436 } 2437 2438 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 2439 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 2440 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 2441 icmd->ulpBdeCount = 1; 2442 cnt--; 2443 if (mp2) { 2444 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 2445 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 2446 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 2447 cnt--; 2448 icmd->ulpBdeCount = 2; 2449 } 2450 2451 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 2452 icmd->ulpLe = 1; 2453 2454 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == 2455 IOCB_ERROR) { 2456 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 2457 kfree(mp1); 2458 cnt++; 2459 if (mp2) { 2460 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 2461 kfree(mp2); 2462 cnt++; 2463 } 2464 lpfc_sli_release_iocbq(phba, iocb); 2465 pring->missbufcnt = cnt; 2466 return cnt; 2467 } 2468 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 2469 if (mp2) 2470 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 2471 } 2472 pring->missbufcnt = 0; 2473 return 0; 2474 } 2475 2476 /** 2477 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring 2478 * @phba: pointer to lpfc hba data structure. 2479 * 2480 * This routine posts initial receive IOCB buffers to the ELS ring. The 2481 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is 2482 * set to 64 IOCBs. SLI3 only. 2483 * 2484 * Return codes 2485 * 0 - success (currently always success) 2486 **/ 2487 static int 2488 lpfc_post_rcv_buf(struct lpfc_hba *phba) 2489 { 2490 struct lpfc_sli *psli = &phba->sli; 2491 2492 /* Ring 0, ELS / CT buffers */ 2493 lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); 2494 /* Ring 2 - FCP no buffers needed */ 2495 2496 return 0; 2497 } 2498 2499 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 2500 2501 /** 2502 * lpfc_sha_init - Set up initial array of hash table entries 2503 * @HashResultPointer: pointer to an array as hash table. 2504 * 2505 * This routine sets up the initial values to the array of hash table entries 2506 * for the LC HBAs. 2507 **/ 2508 static void 2509 lpfc_sha_init(uint32_t * HashResultPointer) 2510 { 2511 HashResultPointer[0] = 0x67452301; 2512 HashResultPointer[1] = 0xEFCDAB89; 2513 HashResultPointer[2] = 0x98BADCFE; 2514 HashResultPointer[3] = 0x10325476; 2515 HashResultPointer[4] = 0xC3D2E1F0; 2516 } 2517 2518 /** 2519 * lpfc_sha_iterate - Iterate initial hash table with the working hash table 2520 * @HashResultPointer: pointer to an initial/result hash table. 2521 * @HashWorkingPointer: pointer to an working hash table. 2522 * 2523 * This routine iterates an initial hash table pointed by @HashResultPointer 2524 * with the values from the working hash table pointeed by @HashWorkingPointer. 2525 * The results are putting back to the initial hash table, returned through 2526 * the @HashResultPointer as the result hash table. 2527 **/ 2528 static void 2529 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 2530 { 2531 int t; 2532 uint32_t TEMP; 2533 uint32_t A, B, C, D, E; 2534 t = 16; 2535 do { 2536 HashWorkingPointer[t] = 2537 S(1, 2538 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 2539 8] ^ 2540 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 2541 } while (++t <= 79); 2542 t = 0; 2543 A = HashResultPointer[0]; 2544 B = HashResultPointer[1]; 2545 C = HashResultPointer[2]; 2546 D = HashResultPointer[3]; 2547 E = HashResultPointer[4]; 2548 2549 do { 2550 if (t < 20) { 2551 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 2552 } else if (t < 40) { 2553 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 2554 } else if (t < 60) { 2555 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 2556 } else { 2557 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 2558 } 2559 TEMP += S(5, A) + E + HashWorkingPointer[t]; 2560 E = D; 2561 D = C; 2562 C = S(30, B); 2563 B = A; 2564 A = TEMP; 2565 } while (++t <= 79); 2566 2567 HashResultPointer[0] += A; 2568 HashResultPointer[1] += B; 2569 HashResultPointer[2] += C; 2570 HashResultPointer[3] += D; 2571 HashResultPointer[4] += E; 2572 2573 } 2574 2575 /** 2576 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA 2577 * @RandomChallenge: pointer to the entry of host challenge random number array. 2578 * @HashWorking: pointer to the entry of the working hash array. 2579 * 2580 * This routine calculates the working hash array referred by @HashWorking 2581 * from the challenge random numbers associated with the host, referred by 2582 * @RandomChallenge. The result is put into the entry of the working hash 2583 * array and returned by reference through @HashWorking. 2584 **/ 2585 static void 2586 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 2587 { 2588 *HashWorking = (*RandomChallenge ^ *HashWorking); 2589 } 2590 2591 /** 2592 * lpfc_hba_init - Perform special handling for LC HBA initialization 2593 * @phba: pointer to lpfc hba data structure. 2594 * @hbainit: pointer to an array of unsigned 32-bit integers. 2595 * 2596 * This routine performs the special handling for LC HBA initialization. 2597 **/ 2598 void 2599 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 2600 { 2601 int t; 2602 uint32_t *HashWorking; 2603 uint32_t *pwwnn = (uint32_t *) phba->wwnn; 2604 2605 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); 2606 if (!HashWorking) 2607 return; 2608 2609 HashWorking[0] = HashWorking[78] = *pwwnn++; 2610 HashWorking[1] = HashWorking[79] = *pwwnn; 2611 2612 for (t = 0; t < 7; t++) 2613 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 2614 2615 lpfc_sha_init(hbainit); 2616 lpfc_sha_iterate(hbainit, HashWorking); 2617 kfree(HashWorking); 2618 } 2619 2620 /** 2621 * lpfc_cleanup - Performs vport cleanups before deleting a vport 2622 * @vport: pointer to a virtual N_Port data structure. 2623 * 2624 * This routine performs the necessary cleanups before deleting the @vport. 2625 * It invokes the discovery state machine to perform necessary state 2626 * transitions and to release the ndlps associated with the @vport. Note, 2627 * the physical port is treated as @vport 0. 2628 **/ 2629 void 2630 lpfc_cleanup(struct lpfc_vport *vport) 2631 { 2632 struct lpfc_hba *phba = vport->phba; 2633 struct lpfc_nodelist *ndlp, *next_ndlp; 2634 int i = 0; 2635 2636 if (phba->link_state > LPFC_LINK_DOWN) 2637 lpfc_port_link_failure(vport); 2638 2639 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 2640 if (!NLP_CHK_NODE_ACT(ndlp)) { 2641 ndlp = lpfc_enable_node(vport, ndlp, 2642 NLP_STE_UNUSED_NODE); 2643 if (!ndlp) 2644 continue; 2645 spin_lock_irq(&phba->ndlp_lock); 2646 NLP_SET_FREE_REQ(ndlp); 2647 spin_unlock_irq(&phba->ndlp_lock); 2648 /* Trigger the release of the ndlp memory */ 2649 lpfc_nlp_put(ndlp); 2650 continue; 2651 } 2652 spin_lock_irq(&phba->ndlp_lock); 2653 if (NLP_CHK_FREE_REQ(ndlp)) { 2654 /* The ndlp should not be in memory free mode already */ 2655 spin_unlock_irq(&phba->ndlp_lock); 2656 continue; 2657 } else 2658 /* Indicate request for freeing ndlp memory */ 2659 NLP_SET_FREE_REQ(ndlp); 2660 spin_unlock_irq(&phba->ndlp_lock); 2661 2662 if (vport->port_type != LPFC_PHYSICAL_PORT && 2663 ndlp->nlp_DID == Fabric_DID) { 2664 /* Just free up ndlp with Fabric_DID for vports */ 2665 lpfc_nlp_put(ndlp); 2666 continue; 2667 } 2668 2669 /* take care of nodes in unused state before the state 2670 * machine taking action. 2671 */ 2672 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { 2673 lpfc_nlp_put(ndlp); 2674 continue; 2675 } 2676 2677 if (ndlp->nlp_type & NLP_FABRIC) 2678 lpfc_disc_state_machine(vport, ndlp, NULL, 2679 NLP_EVT_DEVICE_RECOVERY); 2680 2681 if (ndlp->nlp_fc4_type & NLP_FC4_NVME) { 2682 /* Remove the NVME transport reference now and 2683 * continue to remove the node. 2684 */ 2685 lpfc_nlp_put(ndlp); 2686 } 2687 2688 lpfc_disc_state_machine(vport, ndlp, NULL, 2689 NLP_EVT_DEVICE_RM); 2690 } 2691 2692 /* At this point, ALL ndlp's should be gone 2693 * because of the previous NLP_EVT_DEVICE_RM. 2694 * Lets wait for this to happen, if needed. 2695 */ 2696 while (!list_empty(&vport->fc_nodes)) { 2697 if (i++ > 3000) { 2698 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 2699 "0233 Nodelist not empty\n"); 2700 list_for_each_entry_safe(ndlp, next_ndlp, 2701 &vport->fc_nodes, nlp_listp) { 2702 lpfc_printf_vlog(ndlp->vport, KERN_ERR, 2703 LOG_NODE, 2704 "0282 did:x%x ndlp:x%p " 2705 "usgmap:x%x refcnt:%d\n", 2706 ndlp->nlp_DID, (void *)ndlp, 2707 ndlp->nlp_usg_map, 2708 kref_read(&ndlp->kref)); 2709 } 2710 break; 2711 } 2712 2713 /* Wait for any activity on ndlps to settle */ 2714 msleep(10); 2715 } 2716 lpfc_cleanup_vports_rrqs(vport, NULL); 2717 } 2718 2719 /** 2720 * lpfc_stop_vport_timers - Stop all the timers associated with a vport 2721 * @vport: pointer to a virtual N_Port data structure. 2722 * 2723 * This routine stops all the timers associated with a @vport. This function 2724 * is invoked before disabling or deleting a @vport. Note that the physical 2725 * port is treated as @vport 0. 2726 **/ 2727 void 2728 lpfc_stop_vport_timers(struct lpfc_vport *vport) 2729 { 2730 del_timer_sync(&vport->els_tmofunc); 2731 del_timer_sync(&vport->delayed_disc_tmo); 2732 lpfc_can_disctmo(vport); 2733 return; 2734 } 2735 2736 /** 2737 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer 2738 * @phba: pointer to lpfc hba data structure. 2739 * 2740 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The 2741 * caller of this routine should already hold the host lock. 2742 **/ 2743 void 2744 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) 2745 { 2746 /* Clear pending FCF rediscovery wait flag */ 2747 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; 2748 2749 /* Now, try to stop the timer */ 2750 del_timer(&phba->fcf.redisc_wait); 2751 } 2752 2753 /** 2754 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer 2755 * @phba: pointer to lpfc hba data structure. 2756 * 2757 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It 2758 * checks whether the FCF rediscovery wait timer is pending with the host 2759 * lock held before proceeding with disabling the timer and clearing the 2760 * wait timer pendig flag. 2761 **/ 2762 void 2763 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) 2764 { 2765 spin_lock_irq(&phba->hbalock); 2766 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { 2767 /* FCF rediscovery timer already fired or stopped */ 2768 spin_unlock_irq(&phba->hbalock); 2769 return; 2770 } 2771 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); 2772 /* Clear failover in progress flags */ 2773 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); 2774 spin_unlock_irq(&phba->hbalock); 2775 } 2776 2777 /** 2778 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA 2779 * @phba: pointer to lpfc hba data structure. 2780 * 2781 * This routine stops all the timers associated with a HBA. This function is 2782 * invoked before either putting a HBA offline or unloading the driver. 2783 **/ 2784 void 2785 lpfc_stop_hba_timers(struct lpfc_hba *phba) 2786 { 2787 lpfc_stop_vport_timers(phba->pport); 2788 del_timer_sync(&phba->sli.mbox_tmo); 2789 del_timer_sync(&phba->fabric_block_timer); 2790 del_timer_sync(&phba->eratt_poll); 2791 del_timer_sync(&phba->hb_tmofunc); 2792 if (phba->sli_rev == LPFC_SLI_REV4) { 2793 del_timer_sync(&phba->rrq_tmr); 2794 phba->hba_flag &= ~HBA_RRQ_ACTIVE; 2795 } 2796 phba->hb_outstanding = 0; 2797 2798 switch (phba->pci_dev_grp) { 2799 case LPFC_PCI_DEV_LP: 2800 /* Stop any LightPulse device specific driver timers */ 2801 del_timer_sync(&phba->fcp_poll_timer); 2802 break; 2803 case LPFC_PCI_DEV_OC: 2804 /* Stop any OneConnect device sepcific driver timers */ 2805 lpfc_sli4_stop_fcf_redisc_wait_timer(phba); 2806 break; 2807 default: 2808 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2809 "0297 Invalid device group (x%x)\n", 2810 phba->pci_dev_grp); 2811 break; 2812 } 2813 return; 2814 } 2815 2816 /** 2817 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked 2818 * @phba: pointer to lpfc hba data structure. 2819 * 2820 * This routine marks a HBA's management interface as blocked. Once the HBA's 2821 * management interface is marked as blocked, all the user space access to 2822 * the HBA, whether they are from sysfs interface or libdfc interface will 2823 * all be blocked. The HBA is set to block the management interface when the 2824 * driver prepares the HBA interface for online or offline. 2825 **/ 2826 static void 2827 lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) 2828 { 2829 unsigned long iflag; 2830 uint8_t actcmd = MBX_HEARTBEAT; 2831 unsigned long timeout; 2832 2833 spin_lock_irqsave(&phba->hbalock, iflag); 2834 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; 2835 spin_unlock_irqrestore(&phba->hbalock, iflag); 2836 if (mbx_action == LPFC_MBX_NO_WAIT) 2837 return; 2838 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; 2839 spin_lock_irqsave(&phba->hbalock, iflag); 2840 if (phba->sli.mbox_active) { 2841 actcmd = phba->sli.mbox_active->u.mb.mbxCommand; 2842 /* Determine how long we might wait for the active mailbox 2843 * command to be gracefully completed by firmware. 2844 */ 2845 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, 2846 phba->sli.mbox_active) * 1000) + jiffies; 2847 } 2848 spin_unlock_irqrestore(&phba->hbalock, iflag); 2849 2850 /* Wait for the outstnading mailbox command to complete */ 2851 while (phba->sli.mbox_active) { 2852 /* Check active mailbox complete status every 2ms */ 2853 msleep(2); 2854 if (time_after(jiffies, timeout)) { 2855 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 2856 "2813 Mgmt IO is Blocked %x " 2857 "- mbox cmd %x still active\n", 2858 phba->sli.sli_flag, actcmd); 2859 break; 2860 } 2861 } 2862 } 2863 2864 /** 2865 * lpfc_sli4_node_prep - Assign RPIs for active nodes. 2866 * @phba: pointer to lpfc hba data structure. 2867 * 2868 * Allocate RPIs for all active remote nodes. This is needed whenever 2869 * an SLI4 adapter is reset and the driver is not unloading. Its purpose 2870 * is to fixup the temporary rpi assignments. 2871 **/ 2872 void 2873 lpfc_sli4_node_prep(struct lpfc_hba *phba) 2874 { 2875 struct lpfc_nodelist *ndlp, *next_ndlp; 2876 struct lpfc_vport **vports; 2877 int i; 2878 2879 if (phba->sli_rev != LPFC_SLI_REV4) 2880 return; 2881 2882 vports = lpfc_create_vport_work_array(phba); 2883 if (vports != NULL) { 2884 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2885 if (vports[i]->load_flag & FC_UNLOADING) 2886 continue; 2887 2888 list_for_each_entry_safe(ndlp, next_ndlp, 2889 &vports[i]->fc_nodes, 2890 nlp_listp) { 2891 if (NLP_CHK_NODE_ACT(ndlp)) { 2892 ndlp->nlp_rpi = 2893 lpfc_sli4_alloc_rpi(phba); 2894 lpfc_printf_vlog(ndlp->vport, KERN_INFO, 2895 LOG_NODE, 2896 "0009 rpi:%x DID:%x " 2897 "flg:%x map:%x %p\n", 2898 ndlp->nlp_rpi, 2899 ndlp->nlp_DID, 2900 ndlp->nlp_flag, 2901 ndlp->nlp_usg_map, 2902 ndlp); 2903 } 2904 } 2905 } 2906 } 2907 lpfc_destroy_vport_work_array(phba, vports); 2908 } 2909 2910 /** 2911 * lpfc_online - Initialize and bring a HBA online 2912 * @phba: pointer to lpfc hba data structure. 2913 * 2914 * This routine initializes the HBA and brings a HBA online. During this 2915 * process, the management interface is blocked to prevent user space access 2916 * to the HBA interfering with the driver initialization. 2917 * 2918 * Return codes 2919 * 0 - successful 2920 * 1 - failed 2921 **/ 2922 int 2923 lpfc_online(struct lpfc_hba *phba) 2924 { 2925 struct lpfc_vport *vport; 2926 struct lpfc_vport **vports; 2927 int i; 2928 bool vpis_cleared = false; 2929 2930 if (!phba) 2931 return 0; 2932 vport = phba->pport; 2933 2934 if (!(vport->fc_flag & FC_OFFLINE_MODE)) 2935 return 0; 2936 2937 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 2938 "0458 Bring Adapter online\n"); 2939 2940 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); 2941 2942 if (phba->sli_rev == LPFC_SLI_REV4) { 2943 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ 2944 lpfc_unblock_mgmt_io(phba); 2945 return 1; 2946 } 2947 spin_lock_irq(&phba->hbalock); 2948 if (!phba->sli4_hba.max_cfg_param.vpi_used) 2949 vpis_cleared = true; 2950 spin_unlock_irq(&phba->hbalock); 2951 } else { 2952 lpfc_sli_queue_init(phba); 2953 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ 2954 lpfc_unblock_mgmt_io(phba); 2955 return 1; 2956 } 2957 } 2958 2959 vports = lpfc_create_vport_work_array(phba); 2960 if (vports != NULL) { 2961 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2962 struct Scsi_Host *shost; 2963 shost = lpfc_shost_from_vport(vports[i]); 2964 spin_lock_irq(shost->host_lock); 2965 vports[i]->fc_flag &= ~FC_OFFLINE_MODE; 2966 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 2967 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 2968 if (phba->sli_rev == LPFC_SLI_REV4) { 2969 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; 2970 if ((vpis_cleared) && 2971 (vports[i]->port_type != 2972 LPFC_PHYSICAL_PORT)) 2973 vports[i]->vpi = 0; 2974 } 2975 spin_unlock_irq(shost->host_lock); 2976 } 2977 } 2978 lpfc_destroy_vport_work_array(phba, vports); 2979 2980 lpfc_unblock_mgmt_io(phba); 2981 return 0; 2982 } 2983 2984 /** 2985 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked 2986 * @phba: pointer to lpfc hba data structure. 2987 * 2988 * This routine marks a HBA's management interface as not blocked. Once the 2989 * HBA's management interface is marked as not blocked, all the user space 2990 * access to the HBA, whether they are from sysfs interface or libdfc 2991 * interface will be allowed. The HBA is set to block the management interface 2992 * when the driver prepares the HBA interface for online or offline and then 2993 * set to unblock the management interface afterwards. 2994 **/ 2995 void 2996 lpfc_unblock_mgmt_io(struct lpfc_hba * phba) 2997 { 2998 unsigned long iflag; 2999 3000 spin_lock_irqsave(&phba->hbalock, iflag); 3001 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; 3002 spin_unlock_irqrestore(&phba->hbalock, iflag); 3003 } 3004 3005 /** 3006 * lpfc_offline_prep - Prepare a HBA to be brought offline 3007 * @phba: pointer to lpfc hba data structure. 3008 * 3009 * This routine is invoked to prepare a HBA to be brought offline. It performs 3010 * unregistration login to all the nodes on all vports and flushes the mailbox 3011 * queue to make it ready to be brought offline. 3012 **/ 3013 void 3014 lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) 3015 { 3016 struct lpfc_vport *vport = phba->pport; 3017 struct lpfc_nodelist *ndlp, *next_ndlp; 3018 struct lpfc_vport **vports; 3019 struct Scsi_Host *shost; 3020 int i; 3021 3022 if (vport->fc_flag & FC_OFFLINE_MODE) 3023 return; 3024 3025 lpfc_block_mgmt_io(phba, mbx_action); 3026 3027 lpfc_linkdown(phba); 3028 3029 /* Issue an unreg_login to all nodes on all vports */ 3030 vports = lpfc_create_vport_work_array(phba); 3031 if (vports != NULL) { 3032 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 3033 if (vports[i]->load_flag & FC_UNLOADING) 3034 continue; 3035 shost = lpfc_shost_from_vport(vports[i]); 3036 spin_lock_irq(shost->host_lock); 3037 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; 3038 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 3039 vports[i]->fc_flag &= ~FC_VFI_REGISTERED; 3040 spin_unlock_irq(shost->host_lock); 3041 3042 shost = lpfc_shost_from_vport(vports[i]); 3043 list_for_each_entry_safe(ndlp, next_ndlp, 3044 &vports[i]->fc_nodes, 3045 nlp_listp) { 3046 if (!NLP_CHK_NODE_ACT(ndlp)) 3047 continue; 3048 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 3049 continue; 3050 if (ndlp->nlp_type & NLP_FABRIC) { 3051 lpfc_disc_state_machine(vports[i], ndlp, 3052 NULL, NLP_EVT_DEVICE_RECOVERY); 3053 lpfc_disc_state_machine(vports[i], ndlp, 3054 NULL, NLP_EVT_DEVICE_RM); 3055 } 3056 spin_lock_irq(shost->host_lock); 3057 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 3058 spin_unlock_irq(shost->host_lock); 3059 /* 3060 * Whenever an SLI4 port goes offline, free the 3061 * RPI. Get a new RPI when the adapter port 3062 * comes back online. 3063 */ 3064 if (phba->sli_rev == LPFC_SLI_REV4) { 3065 lpfc_printf_vlog(ndlp->vport, 3066 KERN_INFO, LOG_NODE, 3067 "0011 lpfc_offline: " 3068 "ndlp:x%p did %x " 3069 "usgmap:x%x rpi:%x\n", 3070 ndlp, ndlp->nlp_DID, 3071 ndlp->nlp_usg_map, 3072 ndlp->nlp_rpi); 3073 3074 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); 3075 } 3076 lpfc_unreg_rpi(vports[i], ndlp); 3077 } 3078 } 3079 } 3080 lpfc_destroy_vport_work_array(phba, vports); 3081 3082 lpfc_sli_mbox_sys_shutdown(phba, mbx_action); 3083 } 3084 3085 /** 3086 * lpfc_offline - Bring a HBA offline 3087 * @phba: pointer to lpfc hba data structure. 3088 * 3089 * This routine actually brings a HBA offline. It stops all the timers 3090 * associated with the HBA, brings down the SLI layer, and eventually 3091 * marks the HBA as in offline state for the upper layer protocol. 3092 **/ 3093 void 3094 lpfc_offline(struct lpfc_hba *phba) 3095 { 3096 struct Scsi_Host *shost; 3097 struct lpfc_vport **vports; 3098 int i; 3099 3100 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 3101 return; 3102 3103 /* stop port and all timers associated with this hba */ 3104 lpfc_stop_port(phba); 3105 vports = lpfc_create_vport_work_array(phba); 3106 if (vports != NULL) 3107 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) 3108 lpfc_stop_vport_timers(vports[i]); 3109 lpfc_destroy_vport_work_array(phba, vports); 3110 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 3111 "0460 Bring Adapter offline\n"); 3112 /* Bring down the SLI Layer and cleanup. The HBA is offline 3113 now. */ 3114 lpfc_sli_hba_down(phba); 3115 spin_lock_irq(&phba->hbalock); 3116 phba->work_ha = 0; 3117 spin_unlock_irq(&phba->hbalock); 3118 vports = lpfc_create_vport_work_array(phba); 3119 if (vports != NULL) 3120 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 3121 shost = lpfc_shost_from_vport(vports[i]); 3122 spin_lock_irq(shost->host_lock); 3123 vports[i]->work_port_events = 0; 3124 vports[i]->fc_flag |= FC_OFFLINE_MODE; 3125 spin_unlock_irq(shost->host_lock); 3126 } 3127 lpfc_destroy_vport_work_array(phba, vports); 3128 } 3129 3130 /** 3131 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists 3132 * @phba: pointer to lpfc hba data structure. 3133 * 3134 * This routine is to free all the SCSI buffers and IOCBs from the driver 3135 * list back to kernel. It is called from lpfc_pci_remove_one to free 3136 * the internal resources before the device is removed from the system. 3137 **/ 3138 static void 3139 lpfc_scsi_free(struct lpfc_hba *phba) 3140 { 3141 struct lpfc_scsi_buf *sb, *sb_next; 3142 3143 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) 3144 return; 3145 3146 spin_lock_irq(&phba->hbalock); 3147 3148 /* Release all the lpfc_scsi_bufs maintained by this host. */ 3149 3150 spin_lock(&phba->scsi_buf_list_put_lock); 3151 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, 3152 list) { 3153 list_del(&sb->list); 3154 pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, 3155 sb->dma_handle); 3156 kfree(sb); 3157 phba->total_scsi_bufs--; 3158 } 3159 spin_unlock(&phba->scsi_buf_list_put_lock); 3160 3161 spin_lock(&phba->scsi_buf_list_get_lock); 3162 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, 3163 list) { 3164 list_del(&sb->list); 3165 pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, 3166 sb->dma_handle); 3167 kfree(sb); 3168 phba->total_scsi_bufs--; 3169 } 3170 spin_unlock(&phba->scsi_buf_list_get_lock); 3171 spin_unlock_irq(&phba->hbalock); 3172 } 3173 /** 3174 * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists 3175 * @phba: pointer to lpfc hba data structure. 3176 * 3177 * This routine is to free all the NVME buffers and IOCBs from the driver 3178 * list back to kernel. It is called from lpfc_pci_remove_one to free 3179 * the internal resources before the device is removed from the system. 3180 **/ 3181 static void 3182 lpfc_nvme_free(struct lpfc_hba *phba) 3183 { 3184 struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; 3185 3186 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 3187 return; 3188 3189 spin_lock_irq(&phba->hbalock); 3190 3191 /* Release all the lpfc_nvme_bufs maintained by this host. */ 3192 spin_lock(&phba->nvme_buf_list_put_lock); 3193 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, 3194 &phba->lpfc_nvme_buf_list_put, list) { 3195 list_del(&lpfc_ncmd->list); 3196 pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, 3197 lpfc_ncmd->dma_handle); 3198 kfree(lpfc_ncmd); 3199 phba->total_nvme_bufs--; 3200 } 3201 spin_unlock(&phba->nvme_buf_list_put_lock); 3202 3203 spin_lock(&phba->nvme_buf_list_get_lock); 3204 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, 3205 &phba->lpfc_nvme_buf_list_get, list) { 3206 list_del(&lpfc_ncmd->list); 3207 pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, 3208 lpfc_ncmd->dma_handle); 3209 kfree(lpfc_ncmd); 3210 phba->total_nvme_bufs--; 3211 } 3212 spin_unlock(&phba->nvme_buf_list_get_lock); 3213 spin_unlock_irq(&phba->hbalock); 3214 } 3215 /** 3216 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping 3217 * @phba: pointer to lpfc hba data structure. 3218 * 3219 * This routine first calculates the sizes of the current els and allocated 3220 * scsi sgl lists, and then goes through all sgls to updates the physical 3221 * XRIs assigned due to port function reset. During port initialization, the 3222 * current els and allocated scsi sgl lists are 0s. 3223 * 3224 * Return codes 3225 * 0 - successful (for now, it always returns 0) 3226 **/ 3227 int 3228 lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) 3229 { 3230 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; 3231 uint16_t i, lxri, xri_cnt, els_xri_cnt; 3232 LIST_HEAD(els_sgl_list); 3233 int rc; 3234 3235 /* 3236 * update on pci function's els xri-sgl list 3237 */ 3238 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); 3239 3240 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { 3241 /* els xri-sgl expanded */ 3242 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; 3243 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3244 "3157 ELS xri-sgl count increased from " 3245 "%d to %d\n", phba->sli4_hba.els_xri_cnt, 3246 els_xri_cnt); 3247 /* allocate the additional els sgls */ 3248 for (i = 0; i < xri_cnt; i++) { 3249 sglq_entry = kzalloc(sizeof(struct lpfc_sglq), 3250 GFP_KERNEL); 3251 if (sglq_entry == NULL) { 3252 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3253 "2562 Failure to allocate an " 3254 "ELS sgl entry:%d\n", i); 3255 rc = -ENOMEM; 3256 goto out_free_mem; 3257 } 3258 sglq_entry->buff_type = GEN_BUFF_TYPE; 3259 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, 3260 &sglq_entry->phys); 3261 if (sglq_entry->virt == NULL) { 3262 kfree(sglq_entry); 3263 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3264 "2563 Failure to allocate an " 3265 "ELS mbuf:%d\n", i); 3266 rc = -ENOMEM; 3267 goto out_free_mem; 3268 } 3269 sglq_entry->sgl = sglq_entry->virt; 3270 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); 3271 sglq_entry->state = SGL_FREED; 3272 list_add_tail(&sglq_entry->list, &els_sgl_list); 3273 } 3274 spin_lock_irq(&phba->hbalock); 3275 spin_lock(&phba->sli4_hba.sgl_list_lock); 3276 list_splice_init(&els_sgl_list, 3277 &phba->sli4_hba.lpfc_els_sgl_list); 3278 spin_unlock(&phba->sli4_hba.sgl_list_lock); 3279 spin_unlock_irq(&phba->hbalock); 3280 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { 3281 /* els xri-sgl shrinked */ 3282 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; 3283 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3284 "3158 ELS xri-sgl count decreased from " 3285 "%d to %d\n", phba->sli4_hba.els_xri_cnt, 3286 els_xri_cnt); 3287 spin_lock_irq(&phba->hbalock); 3288 spin_lock(&phba->sli4_hba.sgl_list_lock); 3289 list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, 3290 &els_sgl_list); 3291 /* release extra els sgls from list */ 3292 for (i = 0; i < xri_cnt; i++) { 3293 list_remove_head(&els_sgl_list, 3294 sglq_entry, struct lpfc_sglq, list); 3295 if (sglq_entry) { 3296 __lpfc_mbuf_free(phba, sglq_entry->virt, 3297 sglq_entry->phys); 3298 kfree(sglq_entry); 3299 } 3300 } 3301 list_splice_init(&els_sgl_list, 3302 &phba->sli4_hba.lpfc_els_sgl_list); 3303 spin_unlock(&phba->sli4_hba.sgl_list_lock); 3304 spin_unlock_irq(&phba->hbalock); 3305 } else 3306 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3307 "3163 ELS xri-sgl count unchanged: %d\n", 3308 els_xri_cnt); 3309 phba->sli4_hba.els_xri_cnt = els_xri_cnt; 3310 3311 /* update xris to els sgls on the list */ 3312 sglq_entry = NULL; 3313 sglq_entry_next = NULL; 3314 list_for_each_entry_safe(sglq_entry, sglq_entry_next, 3315 &phba->sli4_hba.lpfc_els_sgl_list, list) { 3316 lxri = lpfc_sli4_next_xritag(phba); 3317 if (lxri == NO_XRI) { 3318 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3319 "2400 Failed to allocate xri for " 3320 "ELS sgl\n"); 3321 rc = -ENOMEM; 3322 goto out_free_mem; 3323 } 3324 sglq_entry->sli4_lxritag = lxri; 3325 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; 3326 } 3327 return 0; 3328 3329 out_free_mem: 3330 lpfc_free_els_sgl_list(phba); 3331 return rc; 3332 } 3333 3334 /** 3335 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping 3336 * @phba: pointer to lpfc hba data structure. 3337 * 3338 * This routine first calculates the sizes of the current els and allocated 3339 * scsi sgl lists, and then goes through all sgls to updates the physical 3340 * XRIs assigned due to port function reset. During port initialization, the 3341 * current els and allocated scsi sgl lists are 0s. 3342 * 3343 * Return codes 3344 * 0 - successful (for now, it always returns 0) 3345 **/ 3346 int 3347 lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) 3348 { 3349 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; 3350 uint16_t i, lxri, xri_cnt, els_xri_cnt; 3351 uint16_t nvmet_xri_cnt, tot_cnt; 3352 LIST_HEAD(nvmet_sgl_list); 3353 int rc; 3354 3355 /* 3356 * update on pci function's nvmet xri-sgl list 3357 */ 3358 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); 3359 nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post; 3360 tot_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; 3361 if (nvmet_xri_cnt > tot_cnt) { 3362 phba->cfg_nvmet_mrq_post = tot_cnt / phba->cfg_nvmet_mrq; 3363 nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post; 3364 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3365 "6301 NVMET post-sgl count changed to %d\n", 3366 phba->cfg_nvmet_mrq_post); 3367 } 3368 3369 if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) { 3370 /* els xri-sgl expanded */ 3371 xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt; 3372 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3373 "6302 NVMET xri-sgl cnt grew from %d to %d\n", 3374 phba->sli4_hba.nvmet_xri_cnt, nvmet_xri_cnt); 3375 /* allocate the additional nvmet sgls */ 3376 for (i = 0; i < xri_cnt; i++) { 3377 sglq_entry = kzalloc(sizeof(struct lpfc_sglq), 3378 GFP_KERNEL); 3379 if (sglq_entry == NULL) { 3380 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3381 "6303 Failure to allocate an " 3382 "NVMET sgl entry:%d\n", i); 3383 rc = -ENOMEM; 3384 goto out_free_mem; 3385 } 3386 sglq_entry->buff_type = NVMET_BUFF_TYPE; 3387 sglq_entry->virt = lpfc_nvmet_buf_alloc(phba, 0, 3388 &sglq_entry->phys); 3389 if (sglq_entry->virt == NULL) { 3390 kfree(sglq_entry); 3391 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3392 "6304 Failure to allocate an " 3393 "NVMET buf:%d\n", i); 3394 rc = -ENOMEM; 3395 goto out_free_mem; 3396 } 3397 sglq_entry->sgl = sglq_entry->virt; 3398 memset(sglq_entry->sgl, 0, 3399 phba->cfg_sg_dma_buf_size); 3400 sglq_entry->state = SGL_FREED; 3401 list_add_tail(&sglq_entry->list, &nvmet_sgl_list); 3402 } 3403 spin_lock_irq(&phba->hbalock); 3404 spin_lock(&phba->sli4_hba.sgl_list_lock); 3405 list_splice_init(&nvmet_sgl_list, 3406 &phba->sli4_hba.lpfc_nvmet_sgl_list); 3407 spin_unlock(&phba->sli4_hba.sgl_list_lock); 3408 spin_unlock_irq(&phba->hbalock); 3409 } else if (nvmet_xri_cnt < phba->sli4_hba.nvmet_xri_cnt) { 3410 /* nvmet xri-sgl shrunk */ 3411 xri_cnt = phba->sli4_hba.nvmet_xri_cnt - nvmet_xri_cnt; 3412 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3413 "6305 NVMET xri-sgl count decreased from " 3414 "%d to %d\n", phba->sli4_hba.nvmet_xri_cnt, 3415 nvmet_xri_cnt); 3416 spin_lock_irq(&phba->hbalock); 3417 spin_lock(&phba->sli4_hba.sgl_list_lock); 3418 list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, 3419 &nvmet_sgl_list); 3420 /* release extra nvmet sgls from list */ 3421 for (i = 0; i < xri_cnt; i++) { 3422 list_remove_head(&nvmet_sgl_list, 3423 sglq_entry, struct lpfc_sglq, list); 3424 if (sglq_entry) { 3425 lpfc_nvmet_buf_free(phba, sglq_entry->virt, 3426 sglq_entry->phys); 3427 kfree(sglq_entry); 3428 } 3429 } 3430 list_splice_init(&nvmet_sgl_list, 3431 &phba->sli4_hba.lpfc_nvmet_sgl_list); 3432 spin_unlock(&phba->sli4_hba.sgl_list_lock); 3433 spin_unlock_irq(&phba->hbalock); 3434 } else 3435 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3436 "6306 NVMET xri-sgl count unchanged: %d\n", 3437 nvmet_xri_cnt); 3438 phba->sli4_hba.nvmet_xri_cnt = nvmet_xri_cnt; 3439 3440 /* update xris to nvmet sgls on the list */ 3441 sglq_entry = NULL; 3442 sglq_entry_next = NULL; 3443 list_for_each_entry_safe(sglq_entry, sglq_entry_next, 3444 &phba->sli4_hba.lpfc_nvmet_sgl_list, list) { 3445 lxri = lpfc_sli4_next_xritag(phba); 3446 if (lxri == NO_XRI) { 3447 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3448 "6307 Failed to allocate xri for " 3449 "NVMET sgl\n"); 3450 rc = -ENOMEM; 3451 goto out_free_mem; 3452 } 3453 sglq_entry->sli4_lxritag = lxri; 3454 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; 3455 } 3456 return 0; 3457 3458 out_free_mem: 3459 lpfc_free_nvmet_sgl_list(phba); 3460 return rc; 3461 } 3462 3463 /** 3464 * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping 3465 * @phba: pointer to lpfc hba data structure. 3466 * 3467 * This routine first calculates the sizes of the current els and allocated 3468 * scsi sgl lists, and then goes through all sgls to updates the physical 3469 * XRIs assigned due to port function reset. During port initialization, the 3470 * current els and allocated scsi sgl lists are 0s. 3471 * 3472 * Return codes 3473 * 0 - successful (for now, it always returns 0) 3474 **/ 3475 int 3476 lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) 3477 { 3478 struct lpfc_scsi_buf *psb, *psb_next; 3479 uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt; 3480 LIST_HEAD(scsi_sgl_list); 3481 int rc; 3482 3483 /* 3484 * update on pci function's els xri-sgl list 3485 */ 3486 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); 3487 phba->total_scsi_bufs = 0; 3488 3489 /* 3490 * update on pci function's allocated scsi xri-sgl list 3491 */ 3492 /* maximum number of xris available for scsi buffers */ 3493 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - 3494 els_xri_cnt; 3495 3496 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) 3497 return 0; 3498 3499 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) 3500 phba->sli4_hba.scsi_xri_max = /* Split them up */ 3501 (phba->sli4_hba.scsi_xri_max * 3502 phba->cfg_xri_split) / 100; 3503 3504 spin_lock_irq(&phba->scsi_buf_list_get_lock); 3505 spin_lock(&phba->scsi_buf_list_put_lock); 3506 list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); 3507 list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); 3508 spin_unlock(&phba->scsi_buf_list_put_lock); 3509 spin_unlock_irq(&phba->scsi_buf_list_get_lock); 3510 3511 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { 3512 /* max scsi xri shrinked below the allocated scsi buffers */ 3513 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - 3514 phba->sli4_hba.scsi_xri_max; 3515 /* release the extra allocated scsi buffers */ 3516 for (i = 0; i < scsi_xri_cnt; i++) { 3517 list_remove_head(&scsi_sgl_list, psb, 3518 struct lpfc_scsi_buf, list); 3519 if (psb) { 3520 pci_pool_free(phba->lpfc_sg_dma_buf_pool, 3521 psb->data, psb->dma_handle); 3522 kfree(psb); 3523 } 3524 } 3525 spin_lock_irq(&phba->scsi_buf_list_get_lock); 3526 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; 3527 spin_unlock_irq(&phba->scsi_buf_list_get_lock); 3528 } 3529 3530 /* update xris associated to remaining allocated scsi buffers */ 3531 psb = NULL; 3532 psb_next = NULL; 3533 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { 3534 lxri = lpfc_sli4_next_xritag(phba); 3535 if (lxri == NO_XRI) { 3536 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3537 "2560 Failed to allocate xri for " 3538 "scsi buffer\n"); 3539 rc = -ENOMEM; 3540 goto out_free_mem; 3541 } 3542 psb->cur_iocbq.sli4_lxritag = lxri; 3543 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; 3544 } 3545 spin_lock_irq(&phba->scsi_buf_list_get_lock); 3546 spin_lock(&phba->scsi_buf_list_put_lock); 3547 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); 3548 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); 3549 spin_unlock(&phba->scsi_buf_list_put_lock); 3550 spin_unlock_irq(&phba->scsi_buf_list_get_lock); 3551 return 0; 3552 3553 out_free_mem: 3554 lpfc_scsi_free(phba); 3555 return rc; 3556 } 3557 3558 static uint64_t 3559 lpfc_get_wwpn(struct lpfc_hba *phba) 3560 { 3561 uint64_t wwn; 3562 int rc; 3563 LPFC_MBOXQ_t *mboxq; 3564 MAILBOX_t *mb; 3565 3566 3567 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, 3568 GFP_KERNEL); 3569 if (!mboxq) 3570 return (uint64_t)-1; 3571 3572 /* First get WWN of HBA instance */ 3573 lpfc_read_nv(phba, mboxq); 3574 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 3575 if (rc != MBX_SUCCESS) { 3576 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3577 "6019 Mailbox failed , mbxCmd x%x " 3578 "READ_NV, mbxStatus x%x\n", 3579 bf_get(lpfc_mqe_command, &mboxq->u.mqe), 3580 bf_get(lpfc_mqe_status, &mboxq->u.mqe)); 3581 mempool_free(mboxq, phba->mbox_mem_pool); 3582 return (uint64_t) -1; 3583 } 3584 mb = &mboxq->u.mb; 3585 memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t)); 3586 /* wwn is WWPN of HBA instance */ 3587 mempool_free(mboxq, phba->mbox_mem_pool); 3588 if (phba->sli_rev == LPFC_SLI_REV4) 3589 return be64_to_cpu(wwn); 3590 else 3591 return (((wwn & 0xffffffff00000000) >> 32) | 3592 ((wwn & 0x00000000ffffffff) << 32)); 3593 3594 } 3595 3596 /** 3597 * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping 3598 * @phba: pointer to lpfc hba data structure. 3599 * 3600 * This routine first calculates the sizes of the current els and allocated 3601 * scsi sgl lists, and then goes through all sgls to updates the physical 3602 * XRIs assigned due to port function reset. During port initialization, the 3603 * current els and allocated scsi sgl lists are 0s. 3604 * 3605 * Return codes 3606 * 0 - successful (for now, it always returns 0) 3607 **/ 3608 int 3609 lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba) 3610 { 3611 struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; 3612 uint16_t i, lxri, els_xri_cnt; 3613 uint16_t nvme_xri_cnt, nvme_xri_max; 3614 LIST_HEAD(nvme_sgl_list); 3615 int rc; 3616 3617 phba->total_nvme_bufs = 0; 3618 3619 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 3620 return 0; 3621 /* 3622 * update on pci function's allocated nvme xri-sgl list 3623 */ 3624 3625 /* maximum number of xris available for nvme buffers */ 3626 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); 3627 nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; 3628 phba->sli4_hba.nvme_xri_max = nvme_xri_max; 3629 phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max; 3630 3631 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 3632 "6074 Current allocated NVME xri-sgl count:%d, " 3633 "maximum NVME xri count:%d\n", 3634 phba->sli4_hba.nvme_xri_cnt, 3635 phba->sli4_hba.nvme_xri_max); 3636 3637 spin_lock_irq(&phba->nvme_buf_list_get_lock); 3638 spin_lock(&phba->nvme_buf_list_put_lock); 3639 list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list); 3640 list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list); 3641 spin_unlock(&phba->nvme_buf_list_put_lock); 3642 spin_unlock_irq(&phba->nvme_buf_list_get_lock); 3643 3644 if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) { 3645 /* max nvme xri shrunk below the allocated nvme buffers */ 3646 spin_lock_irq(&phba->nvme_buf_list_get_lock); 3647 nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt - 3648 phba->sli4_hba.nvme_xri_max; 3649 spin_unlock_irq(&phba->nvme_buf_list_get_lock); 3650 /* release the extra allocated nvme buffers */ 3651 for (i = 0; i < nvme_xri_cnt; i++) { 3652 list_remove_head(&nvme_sgl_list, lpfc_ncmd, 3653 struct lpfc_nvme_buf, list); 3654 if (lpfc_ncmd) { 3655 pci_pool_free(phba->lpfc_sg_dma_buf_pool, 3656 lpfc_ncmd->data, 3657 lpfc_ncmd->dma_handle); 3658 kfree(lpfc_ncmd); 3659 } 3660 } 3661 spin_lock_irq(&phba->nvme_buf_list_get_lock); 3662 phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt; 3663 spin_unlock_irq(&phba->nvme_buf_list_get_lock); 3664 } 3665 3666 /* update xris associated to remaining allocated nvme buffers */ 3667 lpfc_ncmd = NULL; 3668 lpfc_ncmd_next = NULL; 3669 list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, 3670 &nvme_sgl_list, list) { 3671 lxri = lpfc_sli4_next_xritag(phba); 3672 if (lxri == NO_XRI) { 3673 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3674 "6075 Failed to allocate xri for " 3675 "nvme buffer\n"); 3676 rc = -ENOMEM; 3677 goto out_free_mem; 3678 } 3679 lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; 3680 lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; 3681 } 3682 spin_lock_irq(&phba->nvme_buf_list_get_lock); 3683 spin_lock(&phba->nvme_buf_list_put_lock); 3684 list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get); 3685 INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); 3686 spin_unlock(&phba->nvme_buf_list_put_lock); 3687 spin_unlock_irq(&phba->nvme_buf_list_get_lock); 3688 return 0; 3689 3690 out_free_mem: 3691 lpfc_nvme_free(phba); 3692 return rc; 3693 } 3694 3695 /** 3696 * lpfc_create_port - Create an FC port 3697 * @phba: pointer to lpfc hba data structure. 3698 * @instance: a unique integer ID to this FC port. 3699 * @dev: pointer to the device data structure. 3700 * 3701 * This routine creates a FC port for the upper layer protocol. The FC port 3702 * can be created on top of either a physical port or a virtual port provided 3703 * by the HBA. This routine also allocates a SCSI host data structure (shost) 3704 * and associates the FC port created before adding the shost into the SCSI 3705 * layer. 3706 * 3707 * Return codes 3708 * @vport - pointer to the virtual N_Port data structure. 3709 * NULL - port create failed. 3710 **/ 3711 struct lpfc_vport * 3712 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) 3713 { 3714 struct lpfc_vport *vport; 3715 struct Scsi_Host *shost = NULL; 3716 int error = 0; 3717 int i; 3718 uint64_t wwn; 3719 bool use_no_reset_hba = false; 3720 3721 wwn = lpfc_get_wwpn(phba); 3722 3723 for (i = 0; i < lpfc_no_hba_reset_cnt; i++) { 3724 if (wwn == lpfc_no_hba_reset[i]) { 3725 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 3726 "6020 Setting use_no_reset port=%llx\n", 3727 wwn); 3728 use_no_reset_hba = true; 3729 break; 3730 } 3731 } 3732 3733 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { 3734 if (dev != &phba->pcidev->dev) { 3735 shost = scsi_host_alloc(&lpfc_vport_template, 3736 sizeof(struct lpfc_vport)); 3737 } else { 3738 if (!use_no_reset_hba) 3739 shost = scsi_host_alloc(&lpfc_template, 3740 sizeof(struct lpfc_vport)); 3741 else 3742 shost = scsi_host_alloc(&lpfc_template_no_hr, 3743 sizeof(struct lpfc_vport)); 3744 } 3745 } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 3746 shost = scsi_host_alloc(&lpfc_template_nvme, 3747 sizeof(struct lpfc_vport)); 3748 } 3749 if (!shost) 3750 goto out; 3751 3752 vport = (struct lpfc_vport *) shost->hostdata; 3753 vport->phba = phba; 3754 vport->load_flag |= FC_LOADING; 3755 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 3756 vport->fc_rscn_flush = 0; 3757 lpfc_get_vport_cfgparam(vport); 3758 3759 shost->unique_id = instance; 3760 shost->max_id = LPFC_MAX_TARGET; 3761 shost->max_lun = vport->cfg_max_luns; 3762 shost->this_id = -1; 3763 shost->max_cmd_len = 16; 3764 shost->nr_hw_queues = phba->cfg_fcp_io_channel; 3765 if (phba->sli_rev == LPFC_SLI_REV4) { 3766 shost->dma_boundary = 3767 phba->sli4_hba.pc_sli4_params.sge_supp_len-1; 3768 shost->sg_tablesize = phba->cfg_sg_seg_cnt; 3769 } 3770 3771 /* 3772 * Set initial can_queue value since 0 is no longer supported and 3773 * scsi_add_host will fail. This will be adjusted later based on the 3774 * max xri value determined in hba setup. 3775 */ 3776 shost->can_queue = phba->cfg_hba_queue_depth - 10; 3777 if (dev != &phba->pcidev->dev) { 3778 shost->transportt = lpfc_vport_transport_template; 3779 vport->port_type = LPFC_NPIV_PORT; 3780 } else { 3781 shost->transportt = lpfc_transport_template; 3782 vport->port_type = LPFC_PHYSICAL_PORT; 3783 } 3784 3785 /* Initialize all internally managed lists. */ 3786 INIT_LIST_HEAD(&vport->fc_nodes); 3787 INIT_LIST_HEAD(&vport->rcv_buffer_list); 3788 spin_lock_init(&vport->work_port_lock); 3789 3790 setup_timer(&vport->fc_disctmo, lpfc_disc_timeout, 3791 (unsigned long)vport); 3792 3793 setup_timer(&vport->els_tmofunc, lpfc_els_timeout, 3794 (unsigned long)vport); 3795 3796 setup_timer(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 3797 (unsigned long)vport); 3798 3799 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); 3800 if (error) 3801 goto out_put_shost; 3802 3803 spin_lock_irq(&phba->hbalock); 3804 list_add_tail(&vport->listentry, &phba->port_list); 3805 spin_unlock_irq(&phba->hbalock); 3806 return vport; 3807 3808 out_put_shost: 3809 scsi_host_put(shost); 3810 out: 3811 return NULL; 3812 } 3813 3814 /** 3815 * destroy_port - destroy an FC port 3816 * @vport: pointer to an lpfc virtual N_Port data structure. 3817 * 3818 * This routine destroys a FC port from the upper layer protocol. All the 3819 * resources associated with the port are released. 3820 **/ 3821 void 3822 destroy_port(struct lpfc_vport *vport) 3823 { 3824 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3825 struct lpfc_hba *phba = vport->phba; 3826 3827 lpfc_debugfs_terminate(vport); 3828 fc_remove_host(shost); 3829 scsi_remove_host(shost); 3830 3831 spin_lock_irq(&phba->hbalock); 3832 list_del_init(&vport->listentry); 3833 spin_unlock_irq(&phba->hbalock); 3834 3835 lpfc_cleanup(vport); 3836 return; 3837 } 3838 3839 /** 3840 * lpfc_get_instance - Get a unique integer ID 3841 * 3842 * This routine allocates a unique integer ID from lpfc_hba_index pool. It 3843 * uses the kernel idr facility to perform the task. 3844 * 3845 * Return codes: 3846 * instance - a unique integer ID allocated as the new instance. 3847 * -1 - lpfc get instance failed. 3848 **/ 3849 int 3850 lpfc_get_instance(void) 3851 { 3852 int ret; 3853 3854 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); 3855 return ret < 0 ? -1 : ret; 3856 } 3857 3858 /** 3859 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done 3860 * @shost: pointer to SCSI host data structure. 3861 * @time: elapsed time of the scan in jiffies. 3862 * 3863 * This routine is called by the SCSI layer with a SCSI host to determine 3864 * whether the scan host is finished. 3865 * 3866 * Note: there is no scan_start function as adapter initialization will have 3867 * asynchronously kicked off the link initialization. 3868 * 3869 * Return codes 3870 * 0 - SCSI host scan is not over yet. 3871 * 1 - SCSI host scan is over. 3872 **/ 3873 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) 3874 { 3875 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3876 struct lpfc_hba *phba = vport->phba; 3877 int stat = 0; 3878 3879 spin_lock_irq(shost->host_lock); 3880 3881 if (vport->load_flag & FC_UNLOADING) { 3882 stat = 1; 3883 goto finished; 3884 } 3885 if (time >= msecs_to_jiffies(30 * 1000)) { 3886 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 3887 "0461 Scanning longer than 30 " 3888 "seconds. Continuing initialization\n"); 3889 stat = 1; 3890 goto finished; 3891 } 3892 if (time >= msecs_to_jiffies(15 * 1000) && 3893 phba->link_state <= LPFC_LINK_DOWN) { 3894 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 3895 "0465 Link down longer than 15 " 3896 "seconds. Continuing initialization\n"); 3897 stat = 1; 3898 goto finished; 3899 } 3900 3901 if (vport->port_state != LPFC_VPORT_READY) 3902 goto finished; 3903 if (vport->num_disc_nodes || vport->fc_prli_sent) 3904 goto finished; 3905 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) 3906 goto finished; 3907 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) 3908 goto finished; 3909 3910 stat = 1; 3911 3912 finished: 3913 spin_unlock_irq(shost->host_lock); 3914 return stat; 3915 } 3916 3917 /** 3918 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port 3919 * @shost: pointer to SCSI host data structure. 3920 * 3921 * This routine initializes a given SCSI host attributes on a FC port. The 3922 * SCSI host can be either on top of a physical port or a virtual port. 3923 **/ 3924 void lpfc_host_attrib_init(struct Scsi_Host *shost) 3925 { 3926 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 3927 struct lpfc_hba *phba = vport->phba; 3928 /* 3929 * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). 3930 */ 3931 3932 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 3933 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 3934 fc_host_supported_classes(shost) = FC_COS_CLASS3; 3935 3936 memset(fc_host_supported_fc4s(shost), 0, 3937 sizeof(fc_host_supported_fc4s(shost))); 3938 fc_host_supported_fc4s(shost)[2] = 1; 3939 fc_host_supported_fc4s(shost)[7] = 1; 3940 3941 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), 3942 sizeof fc_host_symbolic_name(shost)); 3943 3944 fc_host_supported_speeds(shost) = 0; 3945 if (phba->lmt & LMT_32Gb) 3946 fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT; 3947 if (phba->lmt & LMT_16Gb) 3948 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; 3949 if (phba->lmt & LMT_10Gb) 3950 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; 3951 if (phba->lmt & LMT_8Gb) 3952 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; 3953 if (phba->lmt & LMT_4Gb) 3954 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; 3955 if (phba->lmt & LMT_2Gb) 3956 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; 3957 if (phba->lmt & LMT_1Gb) 3958 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; 3959 3960 fc_host_maxframe_size(shost) = 3961 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 3962 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; 3963 3964 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; 3965 3966 /* This value is also unchanging */ 3967 memset(fc_host_active_fc4s(shost), 0, 3968 sizeof(fc_host_active_fc4s(shost))); 3969 fc_host_active_fc4s(shost)[2] = 1; 3970 fc_host_active_fc4s(shost)[7] = 1; 3971 3972 fc_host_max_npiv_vports(shost) = phba->max_vpi; 3973 spin_lock_irq(shost->host_lock); 3974 vport->load_flag &= ~FC_LOADING; 3975 spin_unlock_irq(shost->host_lock); 3976 } 3977 3978 /** 3979 * lpfc_stop_port_s3 - Stop SLI3 device port 3980 * @phba: pointer to lpfc hba data structure. 3981 * 3982 * This routine is invoked to stop an SLI3 device port, it stops the device 3983 * from generating interrupts and stops the device driver's timers for the 3984 * device. 3985 **/ 3986 static void 3987 lpfc_stop_port_s3(struct lpfc_hba *phba) 3988 { 3989 /* Clear all interrupt enable conditions */ 3990 writel(0, phba->HCregaddr); 3991 readl(phba->HCregaddr); /* flush */ 3992 /* Clear all pending interrupts */ 3993 writel(0xffffffff, phba->HAregaddr); 3994 readl(phba->HAregaddr); /* flush */ 3995 3996 /* Reset some HBA SLI setup states */ 3997 lpfc_stop_hba_timers(phba); 3998 phba->pport->work_port_events = 0; 3999 } 4000 4001 /** 4002 * lpfc_stop_port_s4 - Stop SLI4 device port 4003 * @phba: pointer to lpfc hba data structure. 4004 * 4005 * This routine is invoked to stop an SLI4 device port, it stops the device 4006 * from generating interrupts and stops the device driver's timers for the 4007 * device. 4008 **/ 4009 static void 4010 lpfc_stop_port_s4(struct lpfc_hba *phba) 4011 { 4012 /* Reset some HBA SLI4 setup states */ 4013 lpfc_stop_hba_timers(phba); 4014 phba->pport->work_port_events = 0; 4015 phba->sli4_hba.intr_enable = 0; 4016 } 4017 4018 /** 4019 * lpfc_stop_port - Wrapper function for stopping hba port 4020 * @phba: Pointer to HBA context object. 4021 * 4022 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from 4023 * the API jump table function pointer from the lpfc_hba struct. 4024 **/ 4025 void 4026 lpfc_stop_port(struct lpfc_hba *phba) 4027 { 4028 phba->lpfc_stop_port(phba); 4029 } 4030 4031 /** 4032 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer 4033 * @phba: Pointer to hba for which this call is being executed. 4034 * 4035 * This routine starts the timer waiting for the FCF rediscovery to complete. 4036 **/ 4037 void 4038 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) 4039 { 4040 unsigned long fcf_redisc_wait_tmo = 4041 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); 4042 /* Start fcf rediscovery wait period timer */ 4043 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); 4044 spin_lock_irq(&phba->hbalock); 4045 /* Allow action to new fcf asynchronous event */ 4046 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); 4047 /* Mark the FCF rediscovery pending state */ 4048 phba->fcf.fcf_flag |= FCF_REDISC_PEND; 4049 spin_unlock_irq(&phba->hbalock); 4050 } 4051 4052 /** 4053 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout 4054 * @ptr: Map to lpfc_hba data structure pointer. 4055 * 4056 * This routine is invoked when waiting for FCF table rediscover has been 4057 * timed out. If new FCF record(s) has (have) been discovered during the 4058 * wait period, a new FCF event shall be added to the FCOE async event 4059 * list, and then worker thread shall be waked up for processing from the 4060 * worker thread context. 4061 **/ 4062 static void 4063 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) 4064 { 4065 struct lpfc_hba *phba = (struct lpfc_hba *)ptr; 4066 4067 /* Don't send FCF rediscovery event if timer cancelled */ 4068 spin_lock_irq(&phba->hbalock); 4069 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { 4070 spin_unlock_irq(&phba->hbalock); 4071 return; 4072 } 4073 /* Clear FCF rediscovery timer pending flag */ 4074 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; 4075 /* FCF rediscovery event to worker thread */ 4076 phba->fcf.fcf_flag |= FCF_REDISC_EVT; 4077 spin_unlock_irq(&phba->hbalock); 4078 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 4079 "2776 FCF rediscover quiescent timer expired\n"); 4080 /* wake up worker thread */ 4081 lpfc_worker_wake_up(phba); 4082 } 4083 4084 /** 4085 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code 4086 * @phba: pointer to lpfc hba data structure. 4087 * @acqe_link: pointer to the async link completion queue entry. 4088 * 4089 * This routine is to parse the SLI4 link-attention link fault code and 4090 * translate it into the base driver's read link attention mailbox command 4091 * status. 4092 * 4093 * Return: Link-attention status in terms of base driver's coding. 4094 **/ 4095 static uint16_t 4096 lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, 4097 struct lpfc_acqe_link *acqe_link) 4098 { 4099 uint16_t latt_fault; 4100 4101 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { 4102 case LPFC_ASYNC_LINK_FAULT_NONE: 4103 case LPFC_ASYNC_LINK_FAULT_LOCAL: 4104 case LPFC_ASYNC_LINK_FAULT_REMOTE: 4105 latt_fault = 0; 4106 break; 4107 default: 4108 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 4109 "0398 Invalid link fault code: x%x\n", 4110 bf_get(lpfc_acqe_link_fault, acqe_link)); 4111 latt_fault = MBXERR_ERROR; 4112 break; 4113 } 4114 return latt_fault; 4115 } 4116 4117 /** 4118 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type 4119 * @phba: pointer to lpfc hba data structure. 4120 * @acqe_link: pointer to the async link completion queue entry. 4121 * 4122 * This routine is to parse the SLI4 link attention type and translate it 4123 * into the base driver's link attention type coding. 4124 * 4125 * Return: Link attention type in terms of base driver's coding. 4126 **/ 4127 static uint8_t 4128 lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, 4129 struct lpfc_acqe_link *acqe_link) 4130 { 4131 uint8_t att_type; 4132 4133 switch (bf_get(lpfc_acqe_link_status, acqe_link)) { 4134 case LPFC_ASYNC_LINK_STATUS_DOWN: 4135 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: 4136 att_type = LPFC_ATT_LINK_DOWN; 4137 break; 4138 case LPFC_ASYNC_LINK_STATUS_UP: 4139 /* Ignore physical link up events - wait for logical link up */ 4140 att_type = LPFC_ATT_RESERVED; 4141 break; 4142 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: 4143 att_type = LPFC_ATT_LINK_UP; 4144 break; 4145 default: 4146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 4147 "0399 Invalid link attention type: x%x\n", 4148 bf_get(lpfc_acqe_link_status, acqe_link)); 4149 att_type = LPFC_ATT_RESERVED; 4150 break; 4151 } 4152 return att_type; 4153 } 4154 4155 /** 4156 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed 4157 * @phba: pointer to lpfc hba data structure. 4158 * 4159 * This routine is to get an SLI3 FC port's link speed in Mbps. 4160 * 4161 * Return: link speed in terms of Mbps. 4162 **/ 4163 uint32_t 4164 lpfc_sli_port_speed_get(struct lpfc_hba *phba) 4165 { 4166 uint32_t link_speed; 4167 4168 if (!lpfc_is_link_up(phba)) 4169 return 0; 4170 4171 if (phba->sli_rev <= LPFC_SLI_REV3) { 4172 switch (phba->fc_linkspeed) { 4173 case LPFC_LINK_SPEED_1GHZ: 4174 link_speed = 1000; 4175 break; 4176 case LPFC_LINK_SPEED_2GHZ: 4177 link_speed = 2000; 4178 break; 4179 case LPFC_LINK_SPEED_4GHZ: 4180 link_speed = 4000; 4181 break; 4182 case LPFC_LINK_SPEED_8GHZ: 4183 link_speed = 8000; 4184 break; 4185 case LPFC_LINK_SPEED_10GHZ: 4186 link_speed = 10000; 4187 break; 4188 case LPFC_LINK_SPEED_16GHZ: 4189 link_speed = 16000; 4190 break; 4191 default: 4192 link_speed = 0; 4193 } 4194 } else { 4195 if (phba->sli4_hba.link_state.logical_speed) 4196 link_speed = 4197 phba->sli4_hba.link_state.logical_speed; 4198 else 4199 link_speed = phba->sli4_hba.link_state.speed; 4200 } 4201 return link_speed; 4202 } 4203 4204 /** 4205 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed 4206 * @phba: pointer to lpfc hba data structure. 4207 * @evt_code: asynchronous event code. 4208 * @speed_code: asynchronous event link speed code. 4209 * 4210 * This routine is to parse the giving SLI4 async event link speed code into 4211 * value of Mbps for the link speed. 4212 * 4213 * Return: link speed in terms of Mbps. 4214 **/ 4215 static uint32_t 4216 lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, 4217 uint8_t speed_code) 4218 { 4219 uint32_t port_speed; 4220 4221 switch (evt_code) { 4222 case LPFC_TRAILER_CODE_LINK: 4223 switch (speed_code) { 4224 case LPFC_ASYNC_LINK_SPEED_ZERO: 4225 port_speed = 0; 4226 break; 4227 case LPFC_ASYNC_LINK_SPEED_10MBPS: 4228 port_speed = 10; 4229 break; 4230 case LPFC_ASYNC_LINK_SPEED_100MBPS: 4231 port_speed = 100; 4232 break; 4233 case LPFC_ASYNC_LINK_SPEED_1GBPS: 4234 port_speed = 1000; 4235 break; 4236 case LPFC_ASYNC_LINK_SPEED_10GBPS: 4237 port_speed = 10000; 4238 break; 4239 case LPFC_ASYNC_LINK_SPEED_20GBPS: 4240 port_speed = 20000; 4241 break; 4242 case LPFC_ASYNC_LINK_SPEED_25GBPS: 4243 port_speed = 25000; 4244 break; 4245 case LPFC_ASYNC_LINK_SPEED_40GBPS: 4246 port_speed = 40000; 4247 break; 4248 default: 4249 port_speed = 0; 4250 } 4251 break; 4252 case LPFC_TRAILER_CODE_FC: 4253 switch (speed_code) { 4254 case LPFC_FC_LA_SPEED_UNKNOWN: 4255 port_speed = 0; 4256 break; 4257 case LPFC_FC_LA_SPEED_1G: 4258 port_speed = 1000; 4259 break; 4260 case LPFC_FC_LA_SPEED_2G: 4261 port_speed = 2000; 4262 break; 4263 case LPFC_FC_LA_SPEED_4G: 4264 port_speed = 4000; 4265 break; 4266 case LPFC_FC_LA_SPEED_8G: 4267 port_speed = 8000; 4268 break; 4269 case LPFC_FC_LA_SPEED_10G: 4270 port_speed = 10000; 4271 break; 4272 case LPFC_FC_LA_SPEED_16G: 4273 port_speed = 16000; 4274 break; 4275 case LPFC_FC_LA_SPEED_32G: 4276 port_speed = 32000; 4277 break; 4278 default: 4279 port_speed = 0; 4280 } 4281 break; 4282 default: 4283 port_speed = 0; 4284 } 4285 return port_speed; 4286 } 4287 4288 /** 4289 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event 4290 * @phba: pointer to lpfc hba data structure. 4291 * @acqe_link: pointer to the async link completion queue entry. 4292 * 4293 * This routine is to handle the SLI4 asynchronous FCoE link event. 4294 **/ 4295 static void 4296 lpfc_sli4_async_link_evt(struct lpfc_hba *phba, 4297 struct lpfc_acqe_link *acqe_link) 4298 { 4299 struct lpfc_dmabuf *mp; 4300 LPFC_MBOXQ_t *pmb; 4301 MAILBOX_t *mb; 4302 struct lpfc_mbx_read_top *la; 4303 uint8_t att_type; 4304 int rc; 4305 4306 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); 4307 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) 4308 return; 4309 phba->fcoe_eventtag = acqe_link->event_tag; 4310 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4311 if (!pmb) { 4312 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4313 "0395 The mboxq allocation failed\n"); 4314 return; 4315 } 4316 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 4317 if (!mp) { 4318 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4319 "0396 The lpfc_dmabuf allocation failed\n"); 4320 goto out_free_pmb; 4321 } 4322 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 4323 if (!mp->virt) { 4324 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4325 "0397 The mbuf allocation failed\n"); 4326 goto out_free_dmabuf; 4327 } 4328 4329 /* Cleanup any outstanding ELS commands */ 4330 lpfc_els_flush_all_cmd(phba); 4331 4332 /* Block ELS IOCBs until we have done process link event */ 4333 phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; 4334 4335 /* Update link event statistics */ 4336 phba->sli.slistat.link_event++; 4337 4338 /* Create lpfc_handle_latt mailbox command from link ACQE */ 4339 lpfc_read_topology(phba, pmb, mp); 4340 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; 4341 pmb->vport = phba->pport; 4342 4343 /* Keep the link status for extra SLI4 state machine reference */ 4344 phba->sli4_hba.link_state.speed = 4345 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, 4346 bf_get(lpfc_acqe_link_speed, acqe_link)); 4347 phba->sli4_hba.link_state.duplex = 4348 bf_get(lpfc_acqe_link_duplex, acqe_link); 4349 phba->sli4_hba.link_state.status = 4350 bf_get(lpfc_acqe_link_status, acqe_link); 4351 phba->sli4_hba.link_state.type = 4352 bf_get(lpfc_acqe_link_type, acqe_link); 4353 phba->sli4_hba.link_state.number = 4354 bf_get(lpfc_acqe_link_number, acqe_link); 4355 phba->sli4_hba.link_state.fault = 4356 bf_get(lpfc_acqe_link_fault, acqe_link); 4357 phba->sli4_hba.link_state.logical_speed = 4358 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; 4359 4360 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4361 "2900 Async FC/FCoE Link event - Speed:%dGBit " 4362 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " 4363 "Logical speed:%dMbps Fault:%d\n", 4364 phba->sli4_hba.link_state.speed, 4365 phba->sli4_hba.link_state.topology, 4366 phba->sli4_hba.link_state.status, 4367 phba->sli4_hba.link_state.type, 4368 phba->sli4_hba.link_state.number, 4369 phba->sli4_hba.link_state.logical_speed, 4370 phba->sli4_hba.link_state.fault); 4371 /* 4372 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch 4373 * topology info. Note: Optional for non FC-AL ports. 4374 */ 4375 if (!(phba->hba_flag & HBA_FCOE_MODE)) { 4376 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 4377 if (rc == MBX_NOT_FINISHED) 4378 goto out_free_dmabuf; 4379 return; 4380 } 4381 /* 4382 * For FCoE Mode: fill in all the topology information we need and call 4383 * the READ_TOPOLOGY completion routine to continue without actually 4384 * sending the READ_TOPOLOGY mailbox command to the port. 4385 */ 4386 /* Parse and translate status field */ 4387 mb = &pmb->u.mb; 4388 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); 4389 4390 /* Parse and translate link attention fields */ 4391 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; 4392 la->eventTag = acqe_link->event_tag; 4393 bf_set(lpfc_mbx_read_top_att_type, la, att_type); 4394 bf_set(lpfc_mbx_read_top_link_spd, la, 4395 (bf_get(lpfc_acqe_link_speed, acqe_link))); 4396 4397 /* Fake the the following irrelvant fields */ 4398 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); 4399 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); 4400 bf_set(lpfc_mbx_read_top_il, la, 0); 4401 bf_set(lpfc_mbx_read_top_pb, la, 0); 4402 bf_set(lpfc_mbx_read_top_fa, la, 0); 4403 bf_set(lpfc_mbx_read_top_mm, la, 0); 4404 4405 /* Invoke the lpfc_handle_latt mailbox command callback function */ 4406 lpfc_mbx_cmpl_read_topology(phba, pmb); 4407 4408 return; 4409 4410 out_free_dmabuf: 4411 kfree(mp); 4412 out_free_pmb: 4413 mempool_free(pmb, phba->mbox_mem_pool); 4414 } 4415 4416 /** 4417 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event 4418 * @phba: pointer to lpfc hba data structure. 4419 * @acqe_fc: pointer to the async fc completion queue entry. 4420 * 4421 * This routine is to handle the SLI4 asynchronous FC event. It will simply log 4422 * that the event was received and then issue a read_topology mailbox command so 4423 * that the rest of the driver will treat it the same as SLI3. 4424 **/ 4425 static void 4426 lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) 4427 { 4428 struct lpfc_dmabuf *mp; 4429 LPFC_MBOXQ_t *pmb; 4430 MAILBOX_t *mb; 4431 struct lpfc_mbx_read_top *la; 4432 int rc; 4433 4434 if (bf_get(lpfc_trailer_type, acqe_fc) != 4435 LPFC_FC_LA_EVENT_TYPE_FC_LINK) { 4436 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4437 "2895 Non FC link Event detected.(%d)\n", 4438 bf_get(lpfc_trailer_type, acqe_fc)); 4439 return; 4440 } 4441 /* Keep the link status for extra SLI4 state machine reference */ 4442 phba->sli4_hba.link_state.speed = 4443 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, 4444 bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); 4445 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; 4446 phba->sli4_hba.link_state.topology = 4447 bf_get(lpfc_acqe_fc_la_topology, acqe_fc); 4448 phba->sli4_hba.link_state.status = 4449 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); 4450 phba->sli4_hba.link_state.type = 4451 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); 4452 phba->sli4_hba.link_state.number = 4453 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); 4454 phba->sli4_hba.link_state.fault = 4455 bf_get(lpfc_acqe_link_fault, acqe_fc); 4456 phba->sli4_hba.link_state.logical_speed = 4457 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; 4458 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4459 "2896 Async FC event - Speed:%dGBaud Topology:x%x " 4460 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" 4461 "%dMbps Fault:%d\n", 4462 phba->sli4_hba.link_state.speed, 4463 phba->sli4_hba.link_state.topology, 4464 phba->sli4_hba.link_state.status, 4465 phba->sli4_hba.link_state.type, 4466 phba->sli4_hba.link_state.number, 4467 phba->sli4_hba.link_state.logical_speed, 4468 phba->sli4_hba.link_state.fault); 4469 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 4470 if (!pmb) { 4471 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4472 "2897 The mboxq allocation failed\n"); 4473 return; 4474 } 4475 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 4476 if (!mp) { 4477 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4478 "2898 The lpfc_dmabuf allocation failed\n"); 4479 goto out_free_pmb; 4480 } 4481 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 4482 if (!mp->virt) { 4483 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4484 "2899 The mbuf allocation failed\n"); 4485 goto out_free_dmabuf; 4486 } 4487 4488 /* Cleanup any outstanding ELS commands */ 4489 lpfc_els_flush_all_cmd(phba); 4490 4491 /* Block ELS IOCBs until we have done process link event */ 4492 phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; 4493 4494 /* Update link event statistics */ 4495 phba->sli.slistat.link_event++; 4496 4497 /* Create lpfc_handle_latt mailbox command from link ACQE */ 4498 lpfc_read_topology(phba, pmb, mp); 4499 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; 4500 pmb->vport = phba->pport; 4501 4502 if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) { 4503 /* Parse and translate status field */ 4504 mb = &pmb->u.mb; 4505 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, 4506 (void *)acqe_fc); 4507 4508 /* Parse and translate link attention fields */ 4509 la = (struct lpfc_mbx_read_top *)&pmb->u.mb.un.varReadTop; 4510 la->eventTag = acqe_fc->event_tag; 4511 bf_set(lpfc_mbx_read_top_att_type, la, 4512 LPFC_FC_LA_TYPE_LINK_DOWN); 4513 4514 /* Invoke the mailbox command callback function */ 4515 lpfc_mbx_cmpl_read_topology(phba, pmb); 4516 4517 return; 4518 } 4519 4520 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 4521 if (rc == MBX_NOT_FINISHED) 4522 goto out_free_dmabuf; 4523 return; 4524 4525 out_free_dmabuf: 4526 kfree(mp); 4527 out_free_pmb: 4528 mempool_free(pmb, phba->mbox_mem_pool); 4529 } 4530 4531 /** 4532 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event 4533 * @phba: pointer to lpfc hba data structure. 4534 * @acqe_fc: pointer to the async SLI completion queue entry. 4535 * 4536 * This routine is to handle the SLI4 asynchronous SLI events. 4537 **/ 4538 static void 4539 lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) 4540 { 4541 char port_name; 4542 char message[128]; 4543 uint8_t status; 4544 uint8_t evt_type; 4545 uint8_t operational = 0; 4546 struct temp_event temp_event_data; 4547 struct lpfc_acqe_misconfigured_event *misconfigured; 4548 struct Scsi_Host *shost; 4549 4550 evt_type = bf_get(lpfc_trailer_type, acqe_sli); 4551 4552 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4553 "2901 Async SLI event - Event Data1:x%08x Event Data2:" 4554 "x%08x SLI Event Type:%d\n", 4555 acqe_sli->event_data1, acqe_sli->event_data2, 4556 evt_type); 4557 4558 port_name = phba->Port[0]; 4559 if (port_name == 0x00) 4560 port_name = '?'; /* get port name is empty */ 4561 4562 switch (evt_type) { 4563 case LPFC_SLI_EVENT_TYPE_OVER_TEMP: 4564 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 4565 temp_event_data.event_code = LPFC_THRESHOLD_TEMP; 4566 temp_event_data.data = (uint32_t)acqe_sli->event_data1; 4567 4568 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, 4569 "3190 Over Temperature:%d Celsius- Port Name %c\n", 4570 acqe_sli->event_data1, port_name); 4571 4572 phba->sfp_warning |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; 4573 shost = lpfc_shost_from_vport(phba->pport); 4574 fc_host_post_vendor_event(shost, fc_get_event_number(), 4575 sizeof(temp_event_data), 4576 (char *)&temp_event_data, 4577 SCSI_NL_VID_TYPE_PCI 4578 | PCI_VENDOR_ID_EMULEX); 4579 break; 4580 case LPFC_SLI_EVENT_TYPE_NORM_TEMP: 4581 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 4582 temp_event_data.event_code = LPFC_NORMAL_TEMP; 4583 temp_event_data.data = (uint32_t)acqe_sli->event_data1; 4584 4585 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4586 "3191 Normal Temperature:%d Celsius - Port Name %c\n", 4587 acqe_sli->event_data1, port_name); 4588 4589 shost = lpfc_shost_from_vport(phba->pport); 4590 fc_host_post_vendor_event(shost, fc_get_event_number(), 4591 sizeof(temp_event_data), 4592 (char *)&temp_event_data, 4593 SCSI_NL_VID_TYPE_PCI 4594 | PCI_VENDOR_ID_EMULEX); 4595 break; 4596 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED: 4597 misconfigured = (struct lpfc_acqe_misconfigured_event *) 4598 &acqe_sli->event_data1; 4599 4600 /* fetch the status for this port */ 4601 switch (phba->sli4_hba.lnk_info.lnk_no) { 4602 case LPFC_LINK_NUMBER_0: 4603 status = bf_get(lpfc_sli_misconfigured_port0_state, 4604 &misconfigured->theEvent); 4605 operational = bf_get(lpfc_sli_misconfigured_port0_op, 4606 &misconfigured->theEvent); 4607 break; 4608 case LPFC_LINK_NUMBER_1: 4609 status = bf_get(lpfc_sli_misconfigured_port1_state, 4610 &misconfigured->theEvent); 4611 operational = bf_get(lpfc_sli_misconfigured_port1_op, 4612 &misconfigured->theEvent); 4613 break; 4614 case LPFC_LINK_NUMBER_2: 4615 status = bf_get(lpfc_sli_misconfigured_port2_state, 4616 &misconfigured->theEvent); 4617 operational = bf_get(lpfc_sli_misconfigured_port2_op, 4618 &misconfigured->theEvent); 4619 break; 4620 case LPFC_LINK_NUMBER_3: 4621 status = bf_get(lpfc_sli_misconfigured_port3_state, 4622 &misconfigured->theEvent); 4623 operational = bf_get(lpfc_sli_misconfigured_port3_op, 4624 &misconfigured->theEvent); 4625 break; 4626 default: 4627 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4628 "3296 " 4629 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED " 4630 "event: Invalid link %d", 4631 phba->sli4_hba.lnk_info.lnk_no); 4632 return; 4633 } 4634 4635 /* Skip if optic state unchanged */ 4636 if (phba->sli4_hba.lnk_info.optic_state == status) 4637 return; 4638 4639 switch (status) { 4640 case LPFC_SLI_EVENT_STATUS_VALID: 4641 sprintf(message, "Physical Link is functional"); 4642 break; 4643 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: 4644 sprintf(message, "Optics faulted/incorrectly " 4645 "installed/not installed - Reseat optics, " 4646 "if issue not resolved, replace."); 4647 break; 4648 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: 4649 sprintf(message, 4650 "Optics of two types installed - Remove one " 4651 "optic or install matching pair of optics."); 4652 break; 4653 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: 4654 sprintf(message, "Incompatible optics - Replace with " 4655 "compatible optics for card to function."); 4656 break; 4657 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED: 4658 sprintf(message, "Unqualified optics - Replace with " 4659 "Avago optics for Warranty and Technical " 4660 "Support - Link is%s operational", 4661 (operational) ? " not" : ""); 4662 break; 4663 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED: 4664 sprintf(message, "Uncertified optics - Replace with " 4665 "Avago-certified optics to enable link " 4666 "operation - Link is%s operational", 4667 (operational) ? " not" : ""); 4668 break; 4669 default: 4670 /* firmware is reporting a status we don't know about */ 4671 sprintf(message, "Unknown event status x%02x", status); 4672 break; 4673 } 4674 phba->sli4_hba.lnk_info.optic_state = status; 4675 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4676 "3176 Port Name %c %s\n", port_name, message); 4677 break; 4678 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT: 4679 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4680 "3192 Remote DPort Test Initiated - " 4681 "Event Data1:x%08x Event Data2: x%08x\n", 4682 acqe_sli->event_data1, acqe_sli->event_data2); 4683 break; 4684 default: 4685 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 4686 "3193 Async SLI event - Event Data1:x%08x Event Data2:" 4687 "x%08x SLI Event Type:%d\n", 4688 acqe_sli->event_data1, acqe_sli->event_data2, 4689 evt_type); 4690 break; 4691 } 4692 } 4693 4694 /** 4695 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport 4696 * @vport: pointer to vport data structure. 4697 * 4698 * This routine is to perform Clear Virtual Link (CVL) on a vport in 4699 * response to a CVL event. 4700 * 4701 * Return the pointer to the ndlp with the vport if successful, otherwise 4702 * return NULL. 4703 **/ 4704 static struct lpfc_nodelist * 4705 lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) 4706 { 4707 struct lpfc_nodelist *ndlp; 4708 struct Scsi_Host *shost; 4709 struct lpfc_hba *phba; 4710 4711 if (!vport) 4712 return NULL; 4713 phba = vport->phba; 4714 if (!phba) 4715 return NULL; 4716 ndlp = lpfc_findnode_did(vport, Fabric_DID); 4717 if (!ndlp) { 4718 /* Cannot find existing Fabric ndlp, so allocate a new one */ 4719 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); 4720 if (!ndlp) 4721 return 0; 4722 lpfc_nlp_init(vport, ndlp, Fabric_DID); 4723 /* Set the node type */ 4724 ndlp->nlp_type |= NLP_FABRIC; 4725 /* Put ndlp onto node list */ 4726 lpfc_enqueue_node(vport, ndlp); 4727 } else if (!NLP_CHK_NODE_ACT(ndlp)) { 4728 /* re-setup ndlp without removing from node list */ 4729 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); 4730 if (!ndlp) 4731 return 0; 4732 } 4733 if ((phba->pport->port_state < LPFC_FLOGI) && 4734 (phba->pport->port_state != LPFC_VPORT_FAILED)) 4735 return NULL; 4736 /* If virtual link is not yet instantiated ignore CVL */ 4737 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) 4738 && (vport->port_state != LPFC_VPORT_FAILED)) 4739 return NULL; 4740 shost = lpfc_shost_from_vport(vport); 4741 if (!shost) 4742 return NULL; 4743 lpfc_linkdown_port(vport); 4744 lpfc_cleanup_pending_mbox(vport); 4745 spin_lock_irq(shost->host_lock); 4746 vport->fc_flag |= FC_VPORT_CVL_RCVD; 4747 spin_unlock_irq(shost->host_lock); 4748 4749 return ndlp; 4750 } 4751 4752 /** 4753 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports 4754 * @vport: pointer to lpfc hba data structure. 4755 * 4756 * This routine is to perform Clear Virtual Link (CVL) on all vports in 4757 * response to a FCF dead event. 4758 **/ 4759 static void 4760 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) 4761 { 4762 struct lpfc_vport **vports; 4763 int i; 4764 4765 vports = lpfc_create_vport_work_array(phba); 4766 if (vports) 4767 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) 4768 lpfc_sli4_perform_vport_cvl(vports[i]); 4769 lpfc_destroy_vport_work_array(phba, vports); 4770 } 4771 4772 /** 4773 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event 4774 * @phba: pointer to lpfc hba data structure. 4775 * @acqe_link: pointer to the async fcoe completion queue entry. 4776 * 4777 * This routine is to handle the SLI4 asynchronous fcoe event. 4778 **/ 4779 static void 4780 lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, 4781 struct lpfc_acqe_fip *acqe_fip) 4782 { 4783 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); 4784 int rc; 4785 struct lpfc_vport *vport; 4786 struct lpfc_nodelist *ndlp; 4787 struct Scsi_Host *shost; 4788 int active_vlink_present; 4789 struct lpfc_vport **vports; 4790 int i; 4791 4792 phba->fc_eventTag = acqe_fip->event_tag; 4793 phba->fcoe_eventtag = acqe_fip->event_tag; 4794 switch (event_type) { 4795 case LPFC_FIP_EVENT_TYPE_NEW_FCF: 4796 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: 4797 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) 4798 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | 4799 LOG_DISCOVERY, 4800 "2546 New FCF event, evt_tag:x%x, " 4801 "index:x%x\n", 4802 acqe_fip->event_tag, 4803 acqe_fip->index); 4804 else 4805 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | 4806 LOG_DISCOVERY, 4807 "2788 FCF param modified event, " 4808 "evt_tag:x%x, index:x%x\n", 4809 acqe_fip->event_tag, 4810 acqe_fip->index); 4811 if (phba->fcf.fcf_flag & FCF_DISCOVERY) { 4812 /* 4813 * During period of FCF discovery, read the FCF 4814 * table record indexed by the event to update 4815 * FCF roundrobin failover eligible FCF bmask. 4816 */ 4817 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | 4818 LOG_DISCOVERY, 4819 "2779 Read FCF (x%x) for updating " 4820 "roundrobin FCF failover bmask\n", 4821 acqe_fip->index); 4822 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); 4823 } 4824 4825 /* If the FCF discovery is in progress, do nothing. */ 4826 spin_lock_irq(&phba->hbalock); 4827 if (phba->hba_flag & FCF_TS_INPROG) { 4828 spin_unlock_irq(&phba->hbalock); 4829 break; 4830 } 4831 /* If fast FCF failover rescan event is pending, do nothing */ 4832 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { 4833 spin_unlock_irq(&phba->hbalock); 4834 break; 4835 } 4836 4837 /* If the FCF has been in discovered state, do nothing. */ 4838 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) { 4839 spin_unlock_irq(&phba->hbalock); 4840 break; 4841 } 4842 spin_unlock_irq(&phba->hbalock); 4843 4844 /* Otherwise, scan the entire FCF table and re-discover SAN */ 4845 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 4846 "2770 Start FCF table scan per async FCF " 4847 "event, evt_tag:x%x, index:x%x\n", 4848 acqe_fip->event_tag, acqe_fip->index); 4849 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, 4850 LPFC_FCOE_FCF_GET_FIRST); 4851 if (rc) 4852 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 4853 "2547 Issue FCF scan read FCF mailbox " 4854 "command failed (x%x)\n", rc); 4855 break; 4856 4857 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: 4858 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 4859 "2548 FCF Table full count 0x%x tag 0x%x\n", 4860 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), 4861 acqe_fip->event_tag); 4862 break; 4863 4864 case LPFC_FIP_EVENT_TYPE_FCF_DEAD: 4865 phba->fcoe_cvl_eventtag = acqe_fip->event_tag; 4866 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 4867 "2549 FCF (x%x) disconnected from network, " 4868 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); 4869 /* 4870 * If we are in the middle of FCF failover process, clear 4871 * the corresponding FCF bit in the roundrobin bitmap. 4872 */ 4873 spin_lock_irq(&phba->hbalock); 4874 if ((phba->fcf.fcf_flag & FCF_DISCOVERY) && 4875 (phba->fcf.current_rec.fcf_indx != acqe_fip->index)) { 4876 spin_unlock_irq(&phba->hbalock); 4877 /* Update FLOGI FCF failover eligible FCF bmask */ 4878 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); 4879 break; 4880 } 4881 spin_unlock_irq(&phba->hbalock); 4882 4883 /* If the event is not for currently used fcf do nothing */ 4884 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) 4885 break; 4886 4887 /* 4888 * Otherwise, request the port to rediscover the entire FCF 4889 * table for a fast recovery from case that the current FCF 4890 * is no longer valid as we are not in the middle of FCF 4891 * failover process already. 4892 */ 4893 spin_lock_irq(&phba->hbalock); 4894 /* Mark the fast failover process in progress */ 4895 phba->fcf.fcf_flag |= FCF_DEAD_DISC; 4896 spin_unlock_irq(&phba->hbalock); 4897 4898 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 4899 "2771 Start FCF fast failover process due to " 4900 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x " 4901 "\n", acqe_fip->event_tag, acqe_fip->index); 4902 rc = lpfc_sli4_redisc_fcf_table(phba); 4903 if (rc) { 4904 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | 4905 LOG_DISCOVERY, 4906 "2772 Issue FCF rediscover mabilbox " 4907 "command failed, fail through to FCF " 4908 "dead event\n"); 4909 spin_lock_irq(&phba->hbalock); 4910 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; 4911 spin_unlock_irq(&phba->hbalock); 4912 /* 4913 * Last resort will fail over by treating this 4914 * as a link down to FCF registration. 4915 */ 4916 lpfc_sli4_fcf_dead_failthrough(phba); 4917 } else { 4918 /* Reset FCF roundrobin bmask for new discovery */ 4919 lpfc_sli4_clear_fcf_rr_bmask(phba); 4920 /* 4921 * Handling fast FCF failover to a DEAD FCF event is 4922 * considered equalivant to receiving CVL to all vports. 4923 */ 4924 lpfc_sli4_perform_all_vport_cvl(phba); 4925 } 4926 break; 4927 case LPFC_FIP_EVENT_TYPE_CVL: 4928 phba->fcoe_cvl_eventtag = acqe_fip->event_tag; 4929 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 4930 "2718 Clear Virtual Link Received for VPI 0x%x" 4931 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); 4932 4933 vport = lpfc_find_vport_by_vpid(phba, 4934 acqe_fip->index); 4935 ndlp = lpfc_sli4_perform_vport_cvl(vport); 4936 if (!ndlp) 4937 break; 4938 active_vlink_present = 0; 4939 4940 vports = lpfc_create_vport_work_array(phba); 4941 if (vports) { 4942 for (i = 0; i <= phba->max_vports && vports[i] != NULL; 4943 i++) { 4944 if ((!(vports[i]->fc_flag & 4945 FC_VPORT_CVL_RCVD)) && 4946 (vports[i]->port_state > LPFC_FDISC)) { 4947 active_vlink_present = 1; 4948 break; 4949 } 4950 } 4951 lpfc_destroy_vport_work_array(phba, vports); 4952 } 4953 4954 /* 4955 * Don't re-instantiate if vport is marked for deletion. 4956 * If we are here first then vport_delete is going to wait 4957 * for discovery to complete. 4958 */ 4959 if (!(vport->load_flag & FC_UNLOADING) && 4960 active_vlink_present) { 4961 /* 4962 * If there are other active VLinks present, 4963 * re-instantiate the Vlink using FDISC. 4964 */ 4965 mod_timer(&ndlp->nlp_delayfunc, 4966 jiffies + msecs_to_jiffies(1000)); 4967 shost = lpfc_shost_from_vport(vport); 4968 spin_lock_irq(shost->host_lock); 4969 ndlp->nlp_flag |= NLP_DELAY_TMO; 4970 spin_unlock_irq(shost->host_lock); 4971 ndlp->nlp_last_elscmd = ELS_CMD_FDISC; 4972 vport->port_state = LPFC_FDISC; 4973 } else { 4974 /* 4975 * Otherwise, we request port to rediscover 4976 * the entire FCF table for a fast recovery 4977 * from possible case that the current FCF 4978 * is no longer valid if we are not already 4979 * in the FCF failover process. 4980 */ 4981 spin_lock_irq(&phba->hbalock); 4982 if (phba->fcf.fcf_flag & FCF_DISCOVERY) { 4983 spin_unlock_irq(&phba->hbalock); 4984 break; 4985 } 4986 /* Mark the fast failover process in progress */ 4987 phba->fcf.fcf_flag |= FCF_ACVL_DISC; 4988 spin_unlock_irq(&phba->hbalock); 4989 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | 4990 LOG_DISCOVERY, 4991 "2773 Start FCF failover per CVL, " 4992 "evt_tag:x%x\n", acqe_fip->event_tag); 4993 rc = lpfc_sli4_redisc_fcf_table(phba); 4994 if (rc) { 4995 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | 4996 LOG_DISCOVERY, 4997 "2774 Issue FCF rediscover " 4998 "mabilbox command failed, " 4999 "through to CVL event\n"); 5000 spin_lock_irq(&phba->hbalock); 5001 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; 5002 spin_unlock_irq(&phba->hbalock); 5003 /* 5004 * Last resort will be re-try on the 5005 * the current registered FCF entry. 5006 */ 5007 lpfc_retry_pport_discovery(phba); 5008 } else 5009 /* 5010 * Reset FCF roundrobin bmask for new 5011 * discovery. 5012 */ 5013 lpfc_sli4_clear_fcf_rr_bmask(phba); 5014 } 5015 break; 5016 default: 5017 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 5018 "0288 Unknown FCoE event type 0x%x event tag " 5019 "0x%x\n", event_type, acqe_fip->event_tag); 5020 break; 5021 } 5022 } 5023 5024 /** 5025 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event 5026 * @phba: pointer to lpfc hba data structure. 5027 * @acqe_link: pointer to the async dcbx completion queue entry. 5028 * 5029 * This routine is to handle the SLI4 asynchronous dcbx event. 5030 **/ 5031 static void 5032 lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, 5033 struct lpfc_acqe_dcbx *acqe_dcbx) 5034 { 5035 phba->fc_eventTag = acqe_dcbx->event_tag; 5036 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 5037 "0290 The SLI4 DCBX asynchronous event is not " 5038 "handled yet\n"); 5039 } 5040 5041 /** 5042 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event 5043 * @phba: pointer to lpfc hba data structure. 5044 * @acqe_link: pointer to the async grp5 completion queue entry. 5045 * 5046 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event 5047 * is an asynchronous notified of a logical link speed change. The Port 5048 * reports the logical link speed in units of 10Mbps. 5049 **/ 5050 static void 5051 lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, 5052 struct lpfc_acqe_grp5 *acqe_grp5) 5053 { 5054 uint16_t prev_ll_spd; 5055 5056 phba->fc_eventTag = acqe_grp5->event_tag; 5057 phba->fcoe_eventtag = acqe_grp5->event_tag; 5058 prev_ll_spd = phba->sli4_hba.link_state.logical_speed; 5059 phba->sli4_hba.link_state.logical_speed = 5060 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; 5061 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 5062 "2789 GRP5 Async Event: Updating logical link speed " 5063 "from %dMbps to %dMbps\n", prev_ll_spd, 5064 phba->sli4_hba.link_state.logical_speed); 5065 } 5066 5067 /** 5068 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event 5069 * @phba: pointer to lpfc hba data structure. 5070 * 5071 * This routine is invoked by the worker thread to process all the pending 5072 * SLI4 asynchronous events. 5073 **/ 5074 void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) 5075 { 5076 struct lpfc_cq_event *cq_event; 5077 5078 /* First, declare the async event has been handled */ 5079 spin_lock_irq(&phba->hbalock); 5080 phba->hba_flag &= ~ASYNC_EVENT; 5081 spin_unlock_irq(&phba->hbalock); 5082 /* Now, handle all the async events */ 5083 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { 5084 /* Get the first event from the head of the event queue */ 5085 spin_lock_irq(&phba->hbalock); 5086 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, 5087 cq_event, struct lpfc_cq_event, list); 5088 spin_unlock_irq(&phba->hbalock); 5089 /* Process the asynchronous event */ 5090 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { 5091 case LPFC_TRAILER_CODE_LINK: 5092 lpfc_sli4_async_link_evt(phba, 5093 &cq_event->cqe.acqe_link); 5094 break; 5095 case LPFC_TRAILER_CODE_FCOE: 5096 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); 5097 break; 5098 case LPFC_TRAILER_CODE_DCBX: 5099 lpfc_sli4_async_dcbx_evt(phba, 5100 &cq_event->cqe.acqe_dcbx); 5101 break; 5102 case LPFC_TRAILER_CODE_GRP5: 5103 lpfc_sli4_async_grp5_evt(phba, 5104 &cq_event->cqe.acqe_grp5); 5105 break; 5106 case LPFC_TRAILER_CODE_FC: 5107 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); 5108 break; 5109 case LPFC_TRAILER_CODE_SLI: 5110 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); 5111 break; 5112 default: 5113 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 5114 "1804 Invalid asynchrous event code: " 5115 "x%x\n", bf_get(lpfc_trailer_code, 5116 &cq_event->cqe.mcqe_cmpl)); 5117 break; 5118 } 5119 /* Free the completion event processed to the free pool */ 5120 lpfc_sli4_cq_event_release(phba, cq_event); 5121 } 5122 } 5123 5124 /** 5125 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event 5126 * @phba: pointer to lpfc hba data structure. 5127 * 5128 * This routine is invoked by the worker thread to process FCF table 5129 * rediscovery pending completion event. 5130 **/ 5131 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) 5132 { 5133 int rc; 5134 5135 spin_lock_irq(&phba->hbalock); 5136 /* Clear FCF rediscovery timeout event */ 5137 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; 5138 /* Clear driver fast failover FCF record flag */ 5139 phba->fcf.failover_rec.flag = 0; 5140 /* Set state for FCF fast failover */ 5141 phba->fcf.fcf_flag |= FCF_REDISC_FOV; 5142 spin_unlock_irq(&phba->hbalock); 5143 5144 /* Scan FCF table from the first entry to re-discover SAN */ 5145 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 5146 "2777 Start post-quiescent FCF table scan\n"); 5147 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); 5148 if (rc) 5149 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 5150 "2747 Issue FCF scan read FCF mailbox " 5151 "command failed 0x%x\n", rc); 5152 } 5153 5154 /** 5155 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table 5156 * @phba: pointer to lpfc hba data structure. 5157 * @dev_grp: The HBA PCI-Device group number. 5158 * 5159 * This routine is invoked to set up the per HBA PCI-Device group function 5160 * API jump table entries. 5161 * 5162 * Return: 0 if success, otherwise -ENODEV 5163 **/ 5164 int 5165 lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) 5166 { 5167 int rc; 5168 5169 /* Set up lpfc PCI-device group */ 5170 phba->pci_dev_grp = dev_grp; 5171 5172 /* The LPFC_PCI_DEV_OC uses SLI4 */ 5173 if (dev_grp == LPFC_PCI_DEV_OC) 5174 phba->sli_rev = LPFC_SLI_REV4; 5175 5176 /* Set up device INIT API function jump table */ 5177 rc = lpfc_init_api_table_setup(phba, dev_grp); 5178 if (rc) 5179 return -ENODEV; 5180 /* Set up SCSI API function jump table */ 5181 rc = lpfc_scsi_api_table_setup(phba, dev_grp); 5182 if (rc) 5183 return -ENODEV; 5184 /* Set up SLI API function jump table */ 5185 rc = lpfc_sli_api_table_setup(phba, dev_grp); 5186 if (rc) 5187 return -ENODEV; 5188 /* Set up MBOX API function jump table */ 5189 rc = lpfc_mbox_api_table_setup(phba, dev_grp); 5190 if (rc) 5191 return -ENODEV; 5192 5193 return 0; 5194 } 5195 5196 /** 5197 * lpfc_log_intr_mode - Log the active interrupt mode 5198 * @phba: pointer to lpfc hba data structure. 5199 * @intr_mode: active interrupt mode adopted. 5200 * 5201 * This routine it invoked to log the currently used active interrupt mode 5202 * to the device. 5203 **/ 5204 static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) 5205 { 5206 switch (intr_mode) { 5207 case 0: 5208 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 5209 "0470 Enable INTx interrupt mode.\n"); 5210 break; 5211 case 1: 5212 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 5213 "0481 Enabled MSI interrupt mode.\n"); 5214 break; 5215 case 2: 5216 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 5217 "0480 Enabled MSI-X interrupt mode.\n"); 5218 break; 5219 default: 5220 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5221 "0482 Illegal interrupt mode.\n"); 5222 break; 5223 } 5224 return; 5225 } 5226 5227 /** 5228 * lpfc_enable_pci_dev - Enable a generic PCI device. 5229 * @phba: pointer to lpfc hba data structure. 5230 * 5231 * This routine is invoked to enable the PCI device that is common to all 5232 * PCI devices. 5233 * 5234 * Return codes 5235 * 0 - successful 5236 * other values - error 5237 **/ 5238 static int 5239 lpfc_enable_pci_dev(struct lpfc_hba *phba) 5240 { 5241 struct pci_dev *pdev; 5242 5243 /* Obtain PCI device reference */ 5244 if (!phba->pcidev) 5245 goto out_error; 5246 else 5247 pdev = phba->pcidev; 5248 /* Enable PCI device */ 5249 if (pci_enable_device_mem(pdev)) 5250 goto out_error; 5251 /* Request PCI resource for the device */ 5252 if (pci_request_mem_regions(pdev, LPFC_DRIVER_NAME)) 5253 goto out_disable_device; 5254 /* Set up device as PCI master and save state for EEH */ 5255 pci_set_master(pdev); 5256 pci_try_set_mwi(pdev); 5257 pci_save_state(pdev); 5258 5259 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ 5260 if (pci_is_pcie(pdev)) 5261 pdev->needs_freset = 1; 5262 5263 return 0; 5264 5265 out_disable_device: 5266 pci_disable_device(pdev); 5267 out_error: 5268 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5269 "1401 Failed to enable pci device\n"); 5270 return -ENODEV; 5271 } 5272 5273 /** 5274 * lpfc_disable_pci_dev - Disable a generic PCI device. 5275 * @phba: pointer to lpfc hba data structure. 5276 * 5277 * This routine is invoked to disable the PCI device that is common to all 5278 * PCI devices. 5279 **/ 5280 static void 5281 lpfc_disable_pci_dev(struct lpfc_hba *phba) 5282 { 5283 struct pci_dev *pdev; 5284 5285 /* Obtain PCI device reference */ 5286 if (!phba->pcidev) 5287 return; 5288 else 5289 pdev = phba->pcidev; 5290 /* Release PCI resource and disable PCI device */ 5291 pci_release_mem_regions(pdev); 5292 pci_disable_device(pdev); 5293 5294 return; 5295 } 5296 5297 /** 5298 * lpfc_reset_hba - Reset a hba 5299 * @phba: pointer to lpfc hba data structure. 5300 * 5301 * This routine is invoked to reset a hba device. It brings the HBA 5302 * offline, performs a board restart, and then brings the board back 5303 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up 5304 * on outstanding mailbox commands. 5305 **/ 5306 void 5307 lpfc_reset_hba(struct lpfc_hba *phba) 5308 { 5309 /* If resets are disabled then set error state and return. */ 5310 if (!phba->cfg_enable_hba_reset) { 5311 phba->link_state = LPFC_HBA_ERROR; 5312 return; 5313 } 5314 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) 5315 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 5316 else 5317 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); 5318 lpfc_offline(phba); 5319 lpfc_sli_brdrestart(phba); 5320 lpfc_online(phba); 5321 lpfc_unblock_mgmt_io(phba); 5322 } 5323 5324 /** 5325 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions 5326 * @phba: pointer to lpfc hba data structure. 5327 * 5328 * This function enables the PCI SR-IOV virtual functions to a physical 5329 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to 5330 * enable the number of virtual functions to the physical function. As 5331 * not all devices support SR-IOV, the return code from the pci_enable_sriov() 5332 * API call does not considered as an error condition for most of the device. 5333 **/ 5334 uint16_t 5335 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) 5336 { 5337 struct pci_dev *pdev = phba->pcidev; 5338 uint16_t nr_virtfn; 5339 int pos; 5340 5341 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); 5342 if (pos == 0) 5343 return 0; 5344 5345 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); 5346 return nr_virtfn; 5347 } 5348 5349 /** 5350 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions 5351 * @phba: pointer to lpfc hba data structure. 5352 * @nr_vfn: number of virtual functions to be enabled. 5353 * 5354 * This function enables the PCI SR-IOV virtual functions to a physical 5355 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to 5356 * enable the number of virtual functions to the physical function. As 5357 * not all devices support SR-IOV, the return code from the pci_enable_sriov() 5358 * API call does not considered as an error condition for most of the device. 5359 **/ 5360 int 5361 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) 5362 { 5363 struct pci_dev *pdev = phba->pcidev; 5364 uint16_t max_nr_vfn; 5365 int rc; 5366 5367 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); 5368 if (nr_vfn > max_nr_vfn) { 5369 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5370 "3057 Requested vfs (%d) greater than " 5371 "supported vfs (%d)", nr_vfn, max_nr_vfn); 5372 return -EINVAL; 5373 } 5374 5375 rc = pci_enable_sriov(pdev, nr_vfn); 5376 if (rc) { 5377 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 5378 "2806 Failed to enable sriov on this device " 5379 "with vfn number nr_vf:%d, rc:%d\n", 5380 nr_vfn, rc); 5381 } else 5382 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 5383 "2807 Successful enable sriov on this device " 5384 "with vfn number nr_vf:%d\n", nr_vfn); 5385 return rc; 5386 } 5387 5388 /** 5389 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. 5390 * @phba: pointer to lpfc hba data structure. 5391 * 5392 * This routine is invoked to set up the driver internal resources before the 5393 * device specific resource setup to support the HBA device it attached to. 5394 * 5395 * Return codes 5396 * 0 - successful 5397 * other values - error 5398 **/ 5399 static int 5400 lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) 5401 { 5402 struct lpfc_sli *psli = &phba->sli; 5403 5404 /* 5405 * Driver resources common to all SLI revisions 5406 */ 5407 atomic_set(&phba->fast_event_count, 0); 5408 spin_lock_init(&phba->hbalock); 5409 5410 /* Initialize ndlp management spinlock */ 5411 spin_lock_init(&phba->ndlp_lock); 5412 5413 INIT_LIST_HEAD(&phba->port_list); 5414 INIT_LIST_HEAD(&phba->work_list); 5415 init_waitqueue_head(&phba->wait_4_mlo_m_q); 5416 5417 /* Initialize the wait queue head for the kernel thread */ 5418 init_waitqueue_head(&phba->work_waitq); 5419 5420 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 5421 "1403 Protocols supported %s %s %s\n", 5422 ((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ? 5423 "SCSI" : " "), 5424 ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) ? 5425 "NVME" : " "), 5426 (phba->nvmet_support ? "NVMET" : " ")); 5427 5428 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { 5429 /* Initialize the scsi buffer list used by driver for scsi IO */ 5430 spin_lock_init(&phba->scsi_buf_list_get_lock); 5431 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); 5432 spin_lock_init(&phba->scsi_buf_list_put_lock); 5433 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); 5434 } 5435 5436 if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && 5437 (phba->nvmet_support == 0)) { 5438 /* Initialize the NVME buffer list used by driver for NVME IO */ 5439 spin_lock_init(&phba->nvme_buf_list_get_lock); 5440 INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get); 5441 spin_lock_init(&phba->nvme_buf_list_put_lock); 5442 INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); 5443 } 5444 5445 /* Initialize the fabric iocb list */ 5446 INIT_LIST_HEAD(&phba->fabric_iocb_list); 5447 5448 /* Initialize list to save ELS buffers */ 5449 INIT_LIST_HEAD(&phba->elsbuf); 5450 5451 /* Initialize FCF connection rec list */ 5452 INIT_LIST_HEAD(&phba->fcf_conn_rec_list); 5453 5454 /* Initialize OAS configuration list */ 5455 spin_lock_init(&phba->devicelock); 5456 INIT_LIST_HEAD(&phba->luns); 5457 5458 /* MBOX heartbeat timer */ 5459 setup_timer(&psli->mbox_tmo, lpfc_mbox_timeout, (unsigned long)phba); 5460 /* Fabric block timer */ 5461 setup_timer(&phba->fabric_block_timer, lpfc_fabric_block_timeout, 5462 (unsigned long)phba); 5463 /* EA polling mode timer */ 5464 setup_timer(&phba->eratt_poll, lpfc_poll_eratt, 5465 (unsigned long)phba); 5466 /* Heartbeat timer */ 5467 setup_timer(&phba->hb_tmofunc, lpfc_hb_timeout, (unsigned long)phba); 5468 5469 return 0; 5470 } 5471 5472 /** 5473 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev 5474 * @phba: pointer to lpfc hba data structure. 5475 * 5476 * This routine is invoked to set up the driver internal resources specific to 5477 * support the SLI-3 HBA device it attached to. 5478 * 5479 * Return codes 5480 * 0 - successful 5481 * other values - error 5482 **/ 5483 static int 5484 lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) 5485 { 5486 int rc; 5487 5488 /* 5489 * Initialize timers used by driver 5490 */ 5491 5492 /* FCP polling mode timer */ 5493 setup_timer(&phba->fcp_poll_timer, lpfc_poll_timeout, 5494 (unsigned long)phba); 5495 5496 /* Host attention work mask setup */ 5497 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); 5498 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 5499 5500 /* Get all the module params for configuring this host */ 5501 lpfc_get_cfgparam(phba); 5502 /* Set up phase-1 common device driver resources */ 5503 5504 rc = lpfc_setup_driver_resource_phase1(phba); 5505 if (rc) 5506 return -ENODEV; 5507 5508 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { 5509 phba->menlo_flag |= HBA_MENLO_SUPPORT; 5510 /* check for menlo minimum sg count */ 5511 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) 5512 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; 5513 } 5514 5515 if (!phba->sli.sli3_ring) 5516 phba->sli.sli3_ring = kzalloc(LPFC_SLI3_MAX_RING * 5517 sizeof(struct lpfc_sli_ring), GFP_KERNEL); 5518 if (!phba->sli.sli3_ring) 5519 return -ENOMEM; 5520 5521 /* 5522 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size 5523 * used to create the sg_dma_buf_pool must be dynamically calculated. 5524 */ 5525 5526 /* Initialize the host templates the configured values. */ 5527 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; 5528 lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; 5529 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; 5530 5531 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ 5532 if (phba->cfg_enable_bg) { 5533 /* 5534 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, 5535 * the FCP rsp, and a BDE for each. Sice we have no control 5536 * over how many protection data segments the SCSI Layer 5537 * will hand us (ie: there could be one for every block 5538 * in the IO), we just allocate enough BDEs to accomidate 5539 * our max amount and we need to limit lpfc_sg_seg_cnt to 5540 * minimize the risk of running out. 5541 */ 5542 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + 5543 sizeof(struct fcp_rsp) + 5544 (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); 5545 5546 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) 5547 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; 5548 5549 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */ 5550 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT; 5551 } else { 5552 /* 5553 * The scsi_buf for a regular I/O will hold the FCP cmnd, 5554 * the FCP rsp, a BDE for each, and a BDE for up to 5555 * cfg_sg_seg_cnt data segments. 5556 */ 5557 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + 5558 sizeof(struct fcp_rsp) + 5559 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); 5560 5561 /* Total BDEs in BPL for scsi_sg_list */ 5562 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; 5563 } 5564 5565 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, 5566 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", 5567 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, 5568 phba->cfg_total_seg_cnt); 5569 5570 phba->max_vpi = LPFC_MAX_VPI; 5571 /* This will be set to correct value after config_port mbox */ 5572 phba->max_vports = 0; 5573 5574 /* 5575 * Initialize the SLI Layer to run with lpfc HBAs. 5576 */ 5577 lpfc_sli_setup(phba); 5578 lpfc_sli_queue_init(phba); 5579 5580 /* Allocate device driver memory */ 5581 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) 5582 return -ENOMEM; 5583 5584 /* 5585 * Enable sr-iov virtual functions if supported and configured 5586 * through the module parameter. 5587 */ 5588 if (phba->cfg_sriov_nr_virtfn > 0) { 5589 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, 5590 phba->cfg_sriov_nr_virtfn); 5591 if (rc) { 5592 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 5593 "2808 Requested number of SR-IOV " 5594 "virtual functions (%d) is not " 5595 "supported\n", 5596 phba->cfg_sriov_nr_virtfn); 5597 phba->cfg_sriov_nr_virtfn = 0; 5598 } 5599 } 5600 5601 return 0; 5602 } 5603 5604 /** 5605 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev 5606 * @phba: pointer to lpfc hba data structure. 5607 * 5608 * This routine is invoked to unset the driver internal resources set up 5609 * specific for supporting the SLI-3 HBA device it attached to. 5610 **/ 5611 static void 5612 lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) 5613 { 5614 /* Free device driver memory allocated */ 5615 lpfc_mem_free_all(phba); 5616 5617 return; 5618 } 5619 5620 /** 5621 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev 5622 * @phba: pointer to lpfc hba data structure. 5623 * 5624 * This routine is invoked to set up the driver internal resources specific to 5625 * support the SLI-4 HBA device it attached to. 5626 * 5627 * Return codes 5628 * 0 - successful 5629 * other values - error 5630 **/ 5631 static int 5632 lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) 5633 { 5634 LPFC_MBOXQ_t *mboxq; 5635 MAILBOX_t *mb; 5636 int rc, i, max_buf_size; 5637 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; 5638 struct lpfc_mqe *mqe; 5639 int longs; 5640 int fof_vectors = 0; 5641 uint64_t wwn; 5642 5643 phba->sli4_hba.num_online_cpu = num_online_cpus(); 5644 phba->sli4_hba.num_present_cpu = lpfc_present_cpu; 5645 phba->sli4_hba.curr_disp_cpu = 0; 5646 5647 /* Get all the module params for configuring this host */ 5648 lpfc_get_cfgparam(phba); 5649 5650 /* Set up phase-1 common device driver resources */ 5651 rc = lpfc_setup_driver_resource_phase1(phba); 5652 if (rc) 5653 return -ENODEV; 5654 5655 /* Before proceed, wait for POST done and device ready */ 5656 rc = lpfc_sli4_post_status_check(phba); 5657 if (rc) 5658 return -ENODEV; 5659 5660 /* 5661 * Initialize timers used by driver 5662 */ 5663 5664 setup_timer(&phba->rrq_tmr, lpfc_rrq_timeout, (unsigned long)phba); 5665 5666 /* FCF rediscover timer */ 5667 setup_timer(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 5668 (unsigned long)phba); 5669 5670 /* 5671 * Control structure for handling external multi-buffer mailbox 5672 * command pass-through. 5673 */ 5674 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, 5675 sizeof(struct lpfc_mbox_ext_buf_ctx)); 5676 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); 5677 5678 phba->max_vpi = LPFC_MAX_VPI; 5679 5680 /* This will be set to correct value after the read_config mbox */ 5681 phba->max_vports = 0; 5682 5683 /* Program the default value of vlan_id and fc_map */ 5684 phba->valid_vlan = 0; 5685 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; 5686 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; 5687 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; 5688 5689 /* 5690 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands 5691 * we will associate a new ring, for each EQ/CQ/WQ tuple. 5692 * The WQ create will allocate the ring. 5693 */ 5694 5695 /* 5696 * It doesn't matter what family our adapter is in, we are 5697 * limited to 2 Pages, 512 SGEs, for our SGL. 5698 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp 5699 */ 5700 max_buf_size = (2 * SLI4_PAGE_SIZE); 5701 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2) 5702 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2; 5703 5704 /* 5705 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size 5706 * used to create the sg_dma_buf_pool must be calculated. 5707 */ 5708 if (phba->cfg_enable_bg) { 5709 /* 5710 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd, 5711 * the FCP rsp, and a SGE. Sice we have no control 5712 * over how many protection segments the SCSI Layer 5713 * will hand us (ie: there could be one for every block 5714 * in the IO), just allocate enough SGEs to accomidate 5715 * our max amount and we need to limit lpfc_sg_seg_cnt 5716 * to minimize the risk of running out. 5717 */ 5718 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + 5719 sizeof(struct fcp_rsp) + max_buf_size; 5720 5721 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ 5722 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; 5723 5724 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF) 5725 phba->cfg_sg_seg_cnt = 5726 LPFC_MAX_SG_SLI4_SEG_CNT_DIF; 5727 } else { 5728 /* 5729 * The scsi_buf for a regular I/O holds the FCP cmnd, 5730 * the FCP rsp, a SGE for each, and a SGE for up to 5731 * cfg_sg_seg_cnt data segments. 5732 */ 5733 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + 5734 sizeof(struct fcp_rsp) + 5735 ((phba->cfg_sg_seg_cnt + 2) * 5736 sizeof(struct sli4_sge)); 5737 5738 /* Total SGEs for scsi_sg_list */ 5739 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; 5740 5741 /* 5742 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only 5743 * need to post 1 page for the SGL. 5744 */ 5745 } 5746 5747 /* Initialize the host templates with the updated values. */ 5748 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; 5749 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; 5750 lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; 5751 5752 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) 5753 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; 5754 else 5755 phba->cfg_sg_dma_buf_size = 5756 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); 5757 5758 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, 5759 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n", 5760 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, 5761 phba->cfg_total_seg_cnt); 5762 5763 /* Initialize buffer queue management fields */ 5764 INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list); 5765 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; 5766 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; 5767 5768 /* 5769 * Initialize the SLI Layer to run with lpfc SLI4 HBAs. 5770 */ 5771 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { 5772 /* Initialize the Abort scsi buffer list used by driver */ 5773 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); 5774 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); 5775 } 5776 5777 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 5778 /* Initialize the Abort nvme buffer list used by driver */ 5779 spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); 5780 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); 5781 /* Fast-path XRI aborted CQ Event work queue list */ 5782 INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue); 5783 } 5784 5785 /* This abort list used by worker thread */ 5786 spin_lock_init(&phba->sli4_hba.sgl_list_lock); 5787 spin_lock_init(&phba->sli4_hba.nvmet_io_lock); 5788 5789 /* 5790 * Initialize driver internal slow-path work queues 5791 */ 5792 5793 /* Driver internel slow-path CQ Event pool */ 5794 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); 5795 /* Response IOCB work queue list */ 5796 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); 5797 /* Asynchronous event CQ Event work queue list */ 5798 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); 5799 /* Fast-path XRI aborted CQ Event work queue list */ 5800 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); 5801 /* Slow-path XRI aborted CQ Event work queue list */ 5802 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); 5803 /* Receive queue CQ Event work queue list */ 5804 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); 5805 5806 /* Initialize extent block lists. */ 5807 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); 5808 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); 5809 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); 5810 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); 5811 5812 /* initialize optic_state to 0xFF */ 5813 phba->sli4_hba.lnk_info.optic_state = 0xff; 5814 5815 /* Allocate device driver memory */ 5816 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); 5817 if (rc) 5818 return -ENOMEM; 5819 5820 /* IF Type 2 ports get initialized now. */ 5821 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == 5822 LPFC_SLI_INTF_IF_TYPE_2) { 5823 rc = lpfc_pci_function_reset(phba); 5824 if (unlikely(rc)) { 5825 rc = -ENODEV; 5826 goto out_free_mem; 5827 } 5828 phba->temp_sensor_support = 1; 5829 } 5830 5831 /* Create the bootstrap mailbox command */ 5832 rc = lpfc_create_bootstrap_mbox(phba); 5833 if (unlikely(rc)) 5834 goto out_free_mem; 5835 5836 /* Set up the host's endian order with the device. */ 5837 rc = lpfc_setup_endian_order(phba); 5838 if (unlikely(rc)) 5839 goto out_free_bsmbx; 5840 5841 /* Set up the hba's configuration parameters. */ 5842 rc = lpfc_sli4_read_config(phba); 5843 if (unlikely(rc)) 5844 goto out_free_bsmbx; 5845 rc = lpfc_mem_alloc_active_rrq_pool_s4(phba); 5846 if (unlikely(rc)) 5847 goto out_free_bsmbx; 5848 5849 /* IF Type 0 ports get initialized now. */ 5850 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == 5851 LPFC_SLI_INTF_IF_TYPE_0) { 5852 rc = lpfc_pci_function_reset(phba); 5853 if (unlikely(rc)) 5854 goto out_free_bsmbx; 5855 } 5856 5857 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, 5858 GFP_KERNEL); 5859 if (!mboxq) { 5860 rc = -ENOMEM; 5861 goto out_free_bsmbx; 5862 } 5863 5864 /* Check for NVMET being configured */ 5865 phba->nvmet_support = 0; 5866 if (lpfc_enable_nvmet_cnt) { 5867 5868 /* First get WWN of HBA instance */ 5869 lpfc_read_nv(phba, mboxq); 5870 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 5871 if (rc != MBX_SUCCESS) { 5872 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 5873 "6016 Mailbox failed , mbxCmd x%x " 5874 "READ_NV, mbxStatus x%x\n", 5875 bf_get(lpfc_mqe_command, &mboxq->u.mqe), 5876 bf_get(lpfc_mqe_status, &mboxq->u.mqe)); 5877 rc = -EIO; 5878 goto out_free_bsmbx; 5879 } 5880 mb = &mboxq->u.mb; 5881 memcpy(&wwn, (char *)mb->un.varRDnvp.nodename, 5882 sizeof(uint64_t)); 5883 wwn = cpu_to_be64(wwn); 5884 phba->sli4_hba.wwnn.u.name = wwn; 5885 memcpy(&wwn, (char *)mb->un.varRDnvp.portname, 5886 sizeof(uint64_t)); 5887 /* wwn is WWPN of HBA instance */ 5888 wwn = cpu_to_be64(wwn); 5889 phba->sli4_hba.wwpn.u.name = wwn; 5890 5891 /* Check to see if it matches any module parameter */ 5892 for (i = 0; i < lpfc_enable_nvmet_cnt; i++) { 5893 if (wwn == lpfc_enable_nvmet[i]) { 5894 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 5895 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5896 "6017 NVME Target %016llx\n", 5897 wwn); 5898 phba->nvmet_support = 1; /* a match */ 5899 #else 5900 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5901 "6021 Can't enable NVME Target." 5902 " NVME_TARGET_FC infrastructure" 5903 " is not in kernel\n"); 5904 #endif 5905 } 5906 } 5907 } 5908 5909 lpfc_nvme_mod_param_dep(phba); 5910 5911 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ 5912 lpfc_supported_pages(mboxq); 5913 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 5914 if (!rc) { 5915 mqe = &mboxq->u.mqe; 5916 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), 5917 LPFC_MAX_SUPPORTED_PAGES); 5918 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { 5919 switch (pn_page[i]) { 5920 case LPFC_SLI4_PARAMETERS: 5921 phba->sli4_hba.pc_sli4_params.supported = 1; 5922 break; 5923 default: 5924 break; 5925 } 5926 } 5927 /* Read the port's SLI4 Parameters capabilities if supported. */ 5928 if (phba->sli4_hba.pc_sli4_params.supported) 5929 rc = lpfc_pc_sli4_params_get(phba, mboxq); 5930 if (rc) { 5931 mempool_free(mboxq, phba->mbox_mem_pool); 5932 rc = -EIO; 5933 goto out_free_bsmbx; 5934 } 5935 } 5936 5937 /* 5938 * Get sli4 parameters that override parameters from Port capabilities. 5939 * If this call fails, it isn't critical unless the SLI4 parameters come 5940 * back in conflict. 5941 */ 5942 rc = lpfc_get_sli4_parameters(phba, mboxq); 5943 if (rc) { 5944 if (phba->sli4_hba.extents_in_use && 5945 phba->sli4_hba.rpi_hdrs_in_use) { 5946 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5947 "2999 Unsupported SLI4 Parameters " 5948 "Extents and RPI headers enabled.\n"); 5949 } 5950 mempool_free(mboxq, phba->mbox_mem_pool); 5951 goto out_free_bsmbx; 5952 } 5953 5954 mempool_free(mboxq, phba->mbox_mem_pool); 5955 5956 /* Verify OAS is supported */ 5957 lpfc_sli4_oas_verify(phba); 5958 if (phba->cfg_fof) 5959 fof_vectors = 1; 5960 5961 /* Verify all the SLI4 queues */ 5962 rc = lpfc_sli4_queue_verify(phba); 5963 if (rc) 5964 goto out_free_bsmbx; 5965 5966 /* Create driver internal CQE event pool */ 5967 rc = lpfc_sli4_cq_event_pool_create(phba); 5968 if (rc) 5969 goto out_free_bsmbx; 5970 5971 /* Initialize sgl lists per host */ 5972 lpfc_init_sgl_list(phba); 5973 5974 /* Allocate and initialize active sgl array */ 5975 rc = lpfc_init_active_sgl_array(phba); 5976 if (rc) { 5977 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5978 "1430 Failed to initialize sgl list.\n"); 5979 goto out_destroy_cq_event_pool; 5980 } 5981 rc = lpfc_sli4_init_rpi_hdrs(phba); 5982 if (rc) { 5983 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5984 "1432 Failed to initialize rpi headers.\n"); 5985 goto out_free_active_sgl; 5986 } 5987 5988 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ 5989 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; 5990 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), 5991 GFP_KERNEL); 5992 if (!phba->fcf.fcf_rr_bmask) { 5993 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 5994 "2759 Failed allocate memory for FCF round " 5995 "robin failover bmask\n"); 5996 rc = -ENOMEM; 5997 goto out_remove_rpi_hdrs; 5998 } 5999 6000 phba->sli4_hba.hba_eq_hdl = kcalloc(fof_vectors + phba->io_channel_irqs, 6001 sizeof(struct lpfc_hba_eq_hdl), 6002 GFP_KERNEL); 6003 if (!phba->sli4_hba.hba_eq_hdl) { 6004 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6005 "2572 Failed allocate memory for " 6006 "fast-path per-EQ handle array\n"); 6007 rc = -ENOMEM; 6008 goto out_free_fcf_rr_bmask; 6009 } 6010 6011 phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_present_cpu, 6012 sizeof(struct lpfc_vector_map_info), 6013 GFP_KERNEL); 6014 if (!phba->sli4_hba.cpu_map) { 6015 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6016 "3327 Failed allocate memory for msi-x " 6017 "interrupt vector mapping\n"); 6018 rc = -ENOMEM; 6019 goto out_free_hba_eq_hdl; 6020 } 6021 if (lpfc_used_cpu == NULL) { 6022 lpfc_used_cpu = kcalloc(lpfc_present_cpu, sizeof(uint16_t), 6023 GFP_KERNEL); 6024 if (!lpfc_used_cpu) { 6025 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6026 "3335 Failed allocate memory for msi-x " 6027 "interrupt vector mapping\n"); 6028 kfree(phba->sli4_hba.cpu_map); 6029 rc = -ENOMEM; 6030 goto out_free_hba_eq_hdl; 6031 } 6032 for (i = 0; i < lpfc_present_cpu; i++) 6033 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY; 6034 } 6035 6036 /* 6037 * Enable sr-iov virtual functions if supported and configured 6038 * through the module parameter. 6039 */ 6040 if (phba->cfg_sriov_nr_virtfn > 0) { 6041 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, 6042 phba->cfg_sriov_nr_virtfn); 6043 if (rc) { 6044 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 6045 "3020 Requested number of SR-IOV " 6046 "virtual functions (%d) is not " 6047 "supported\n", 6048 phba->cfg_sriov_nr_virtfn); 6049 phba->cfg_sriov_nr_virtfn = 0; 6050 } 6051 } 6052 6053 return 0; 6054 6055 out_free_hba_eq_hdl: 6056 kfree(phba->sli4_hba.hba_eq_hdl); 6057 out_free_fcf_rr_bmask: 6058 kfree(phba->fcf.fcf_rr_bmask); 6059 out_remove_rpi_hdrs: 6060 lpfc_sli4_remove_rpi_hdrs(phba); 6061 out_free_active_sgl: 6062 lpfc_free_active_sgl(phba); 6063 out_destroy_cq_event_pool: 6064 lpfc_sli4_cq_event_pool_destroy(phba); 6065 out_free_bsmbx: 6066 lpfc_destroy_bootstrap_mbox(phba); 6067 out_free_mem: 6068 lpfc_mem_free(phba); 6069 return rc; 6070 } 6071 6072 /** 6073 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev 6074 * @phba: pointer to lpfc hba data structure. 6075 * 6076 * This routine is invoked to unset the driver internal resources set up 6077 * specific for supporting the SLI-4 HBA device it attached to. 6078 **/ 6079 static void 6080 lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) 6081 { 6082 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; 6083 6084 /* Free memory allocated for msi-x interrupt vector to CPU mapping */ 6085 kfree(phba->sli4_hba.cpu_map); 6086 phba->sli4_hba.num_present_cpu = 0; 6087 phba->sli4_hba.num_online_cpu = 0; 6088 phba->sli4_hba.curr_disp_cpu = 0; 6089 6090 /* Free memory allocated for fast-path work queue handles */ 6091 kfree(phba->sli4_hba.hba_eq_hdl); 6092 6093 /* Free the allocated rpi headers. */ 6094 lpfc_sli4_remove_rpi_hdrs(phba); 6095 lpfc_sli4_remove_rpis(phba); 6096 6097 /* Free eligible FCF index bmask */ 6098 kfree(phba->fcf.fcf_rr_bmask); 6099 6100 /* Free the ELS sgl list */ 6101 lpfc_free_active_sgl(phba); 6102 lpfc_free_els_sgl_list(phba); 6103 lpfc_free_nvmet_sgl_list(phba); 6104 6105 /* Free the completion queue EQ event pool */ 6106 lpfc_sli4_cq_event_release_all(phba); 6107 lpfc_sli4_cq_event_pool_destroy(phba); 6108 6109 /* Release resource identifiers. */ 6110 lpfc_sli4_dealloc_resource_identifiers(phba); 6111 6112 /* Free the bsmbx region. */ 6113 lpfc_destroy_bootstrap_mbox(phba); 6114 6115 /* Free the SLI Layer memory with SLI4 HBAs */ 6116 lpfc_mem_free_all(phba); 6117 6118 /* Free the current connect table */ 6119 list_for_each_entry_safe(conn_entry, next_conn_entry, 6120 &phba->fcf_conn_rec_list, list) { 6121 list_del_init(&conn_entry->list); 6122 kfree(conn_entry); 6123 } 6124 6125 return; 6126 } 6127 6128 /** 6129 * lpfc_init_api_table_setup - Set up init api function jump table 6130 * @phba: The hba struct for which this call is being executed. 6131 * @dev_grp: The HBA PCI-Device group number. 6132 * 6133 * This routine sets up the device INIT interface API function jump table 6134 * in @phba struct. 6135 * 6136 * Returns: 0 - success, -ENODEV - failure. 6137 **/ 6138 int 6139 lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) 6140 { 6141 phba->lpfc_hba_init_link = lpfc_hba_init_link; 6142 phba->lpfc_hba_down_link = lpfc_hba_down_link; 6143 phba->lpfc_selective_reset = lpfc_selective_reset; 6144 switch (dev_grp) { 6145 case LPFC_PCI_DEV_LP: 6146 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; 6147 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; 6148 phba->lpfc_stop_port = lpfc_stop_port_s3; 6149 break; 6150 case LPFC_PCI_DEV_OC: 6151 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; 6152 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; 6153 phba->lpfc_stop_port = lpfc_stop_port_s4; 6154 break; 6155 default: 6156 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6157 "1431 Invalid HBA PCI-device group: 0x%x\n", 6158 dev_grp); 6159 return -ENODEV; 6160 break; 6161 } 6162 return 0; 6163 } 6164 6165 /** 6166 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. 6167 * @phba: pointer to lpfc hba data structure. 6168 * 6169 * This routine is invoked to set up the driver internal resources after the 6170 * device specific resource setup to support the HBA device it attached to. 6171 * 6172 * Return codes 6173 * 0 - successful 6174 * other values - error 6175 **/ 6176 static int 6177 lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) 6178 { 6179 int error; 6180 6181 /* Startup the kernel thread for this host adapter. */ 6182 phba->worker_thread = kthread_run(lpfc_do_work, phba, 6183 "lpfc_worker_%d", phba->brd_no); 6184 if (IS_ERR(phba->worker_thread)) { 6185 error = PTR_ERR(phba->worker_thread); 6186 return error; 6187 } 6188 6189 return 0; 6190 } 6191 6192 /** 6193 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. 6194 * @phba: pointer to lpfc hba data structure. 6195 * 6196 * This routine is invoked to unset the driver internal resources set up after 6197 * the device specific resource setup for supporting the HBA device it 6198 * attached to. 6199 **/ 6200 static void 6201 lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) 6202 { 6203 /* Stop kernel worker thread */ 6204 kthread_stop(phba->worker_thread); 6205 } 6206 6207 /** 6208 * lpfc_free_iocb_list - Free iocb list. 6209 * @phba: pointer to lpfc hba data structure. 6210 * 6211 * This routine is invoked to free the driver's IOCB list and memory. 6212 **/ 6213 static void 6214 lpfc_free_iocb_list(struct lpfc_hba *phba) 6215 { 6216 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 6217 6218 spin_lock_irq(&phba->hbalock); 6219 list_for_each_entry_safe(iocbq_entry, iocbq_next, 6220 &phba->lpfc_iocb_list, list) { 6221 list_del(&iocbq_entry->list); 6222 kfree(iocbq_entry); 6223 phba->total_iocbq_bufs--; 6224 } 6225 spin_unlock_irq(&phba->hbalock); 6226 6227 return; 6228 } 6229 6230 /** 6231 * lpfc_init_iocb_list - Allocate and initialize iocb list. 6232 * @phba: pointer to lpfc hba data structure. 6233 * 6234 * This routine is invoked to allocate and initizlize the driver's IOCB 6235 * list and set up the IOCB tag array accordingly. 6236 * 6237 * Return codes 6238 * 0 - successful 6239 * other values - error 6240 **/ 6241 static int 6242 lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) 6243 { 6244 struct lpfc_iocbq *iocbq_entry = NULL; 6245 uint16_t iotag; 6246 int i; 6247 6248 /* Initialize and populate the iocb list per host. */ 6249 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 6250 for (i = 0; i < iocb_count; i++) { 6251 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 6252 if (iocbq_entry == NULL) { 6253 printk(KERN_ERR "%s: only allocated %d iocbs of " 6254 "expected %d count. Unloading driver.\n", 6255 __func__, i, LPFC_IOCB_LIST_CNT); 6256 goto out_free_iocbq; 6257 } 6258 6259 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 6260 if (iotag == 0) { 6261 kfree(iocbq_entry); 6262 printk(KERN_ERR "%s: failed to allocate IOTAG. " 6263 "Unloading driver.\n", __func__); 6264 goto out_free_iocbq; 6265 } 6266 iocbq_entry->sli4_lxritag = NO_XRI; 6267 iocbq_entry->sli4_xritag = NO_XRI; 6268 6269 spin_lock_irq(&phba->hbalock); 6270 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 6271 phba->total_iocbq_bufs++; 6272 spin_unlock_irq(&phba->hbalock); 6273 } 6274 6275 return 0; 6276 6277 out_free_iocbq: 6278 lpfc_free_iocb_list(phba); 6279 6280 return -ENOMEM; 6281 } 6282 6283 /** 6284 * lpfc_free_sgl_list - Free a given sgl list. 6285 * @phba: pointer to lpfc hba data structure. 6286 * @sglq_list: pointer to the head of sgl list. 6287 * 6288 * This routine is invoked to free a give sgl list and memory. 6289 **/ 6290 void 6291 lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) 6292 { 6293 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; 6294 6295 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { 6296 list_del(&sglq_entry->list); 6297 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); 6298 kfree(sglq_entry); 6299 } 6300 } 6301 6302 /** 6303 * lpfc_free_els_sgl_list - Free els sgl list. 6304 * @phba: pointer to lpfc hba data structure. 6305 * 6306 * This routine is invoked to free the driver's els sgl list and memory. 6307 **/ 6308 static void 6309 lpfc_free_els_sgl_list(struct lpfc_hba *phba) 6310 { 6311 LIST_HEAD(sglq_list); 6312 6313 /* Retrieve all els sgls from driver list */ 6314 spin_lock_irq(&phba->hbalock); 6315 spin_lock(&phba->sli4_hba.sgl_list_lock); 6316 list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list); 6317 spin_unlock(&phba->sli4_hba.sgl_list_lock); 6318 spin_unlock_irq(&phba->hbalock); 6319 6320 /* Now free the sgl list */ 6321 lpfc_free_sgl_list(phba, &sglq_list); 6322 } 6323 6324 /** 6325 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list. 6326 * @phba: pointer to lpfc hba data structure. 6327 * 6328 * This routine is invoked to free the driver's nvmet sgl list and memory. 6329 **/ 6330 static void 6331 lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba) 6332 { 6333 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; 6334 LIST_HEAD(sglq_list); 6335 6336 /* Retrieve all nvmet sgls from driver list */ 6337 spin_lock_irq(&phba->hbalock); 6338 spin_lock(&phba->sli4_hba.sgl_list_lock); 6339 list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, &sglq_list); 6340 spin_unlock(&phba->sli4_hba.sgl_list_lock); 6341 spin_unlock_irq(&phba->hbalock); 6342 6343 /* Now free the sgl list */ 6344 list_for_each_entry_safe(sglq_entry, sglq_next, &sglq_list, list) { 6345 list_del(&sglq_entry->list); 6346 lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys); 6347 kfree(sglq_entry); 6348 } 6349 } 6350 6351 /** 6352 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. 6353 * @phba: pointer to lpfc hba data structure. 6354 * 6355 * This routine is invoked to allocate the driver's active sgl memory. 6356 * This array will hold the sglq_entry's for active IOs. 6357 **/ 6358 static int 6359 lpfc_init_active_sgl_array(struct lpfc_hba *phba) 6360 { 6361 int size; 6362 size = sizeof(struct lpfc_sglq *); 6363 size *= phba->sli4_hba.max_cfg_param.max_xri; 6364 6365 phba->sli4_hba.lpfc_sglq_active_list = 6366 kzalloc(size, GFP_KERNEL); 6367 if (!phba->sli4_hba.lpfc_sglq_active_list) 6368 return -ENOMEM; 6369 return 0; 6370 } 6371 6372 /** 6373 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. 6374 * @phba: pointer to lpfc hba data structure. 6375 * 6376 * This routine is invoked to walk through the array of active sglq entries 6377 * and free all of the resources. 6378 * This is just a place holder for now. 6379 **/ 6380 static void 6381 lpfc_free_active_sgl(struct lpfc_hba *phba) 6382 { 6383 kfree(phba->sli4_hba.lpfc_sglq_active_list); 6384 } 6385 6386 /** 6387 * lpfc_init_sgl_list - Allocate and initialize sgl list. 6388 * @phba: pointer to lpfc hba data structure. 6389 * 6390 * This routine is invoked to allocate and initizlize the driver's sgl 6391 * list and set up the sgl xritag tag array accordingly. 6392 * 6393 **/ 6394 static void 6395 lpfc_init_sgl_list(struct lpfc_hba *phba) 6396 { 6397 /* Initialize and populate the sglq list per host/VF. */ 6398 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_els_sgl_list); 6399 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); 6400 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_sgl_list); 6401 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_sgl_list); 6402 6403 /* els xri-sgl book keeping */ 6404 phba->sli4_hba.els_xri_cnt = 0; 6405 6406 /* scsi xri-buffer book keeping */ 6407 phba->sli4_hba.scsi_xri_cnt = 0; 6408 6409 /* nvme xri-buffer book keeping */ 6410 phba->sli4_hba.nvme_xri_cnt = 0; 6411 } 6412 6413 /** 6414 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port 6415 * @phba: pointer to lpfc hba data structure. 6416 * 6417 * This routine is invoked to post rpi header templates to the 6418 * port for those SLI4 ports that do not support extents. This routine 6419 * posts a PAGE_SIZE memory region to the port to hold up to 6420 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine 6421 * and should be called only when interrupts are disabled. 6422 * 6423 * Return codes 6424 * 0 - successful 6425 * -ERROR - otherwise. 6426 **/ 6427 int 6428 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) 6429 { 6430 int rc = 0; 6431 struct lpfc_rpi_hdr *rpi_hdr; 6432 6433 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); 6434 if (!phba->sli4_hba.rpi_hdrs_in_use) 6435 return rc; 6436 if (phba->sli4_hba.extents_in_use) 6437 return -EIO; 6438 6439 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); 6440 if (!rpi_hdr) { 6441 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, 6442 "0391 Error during rpi post operation\n"); 6443 lpfc_sli4_remove_rpis(phba); 6444 rc = -ENODEV; 6445 } 6446 6447 return rc; 6448 } 6449 6450 /** 6451 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region 6452 * @phba: pointer to lpfc hba data structure. 6453 * 6454 * This routine is invoked to allocate a single 4KB memory region to 6455 * support rpis and stores them in the phba. This single region 6456 * provides support for up to 64 rpis. The region is used globally 6457 * by the device. 6458 * 6459 * Returns: 6460 * A valid rpi hdr on success. 6461 * A NULL pointer on any failure. 6462 **/ 6463 struct lpfc_rpi_hdr * 6464 lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) 6465 { 6466 uint16_t rpi_limit, curr_rpi_range; 6467 struct lpfc_dmabuf *dmabuf; 6468 struct lpfc_rpi_hdr *rpi_hdr; 6469 uint32_t rpi_count; 6470 6471 /* 6472 * If the SLI4 port supports extents, posting the rpi header isn't 6473 * required. Set the expected maximum count and let the actual value 6474 * get set when extents are fully allocated. 6475 */ 6476 if (!phba->sli4_hba.rpi_hdrs_in_use) 6477 return NULL; 6478 if (phba->sli4_hba.extents_in_use) 6479 return NULL; 6480 6481 /* The limit on the logical index is just the max_rpi count. */ 6482 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + 6483 phba->sli4_hba.max_cfg_param.max_rpi - 1; 6484 6485 spin_lock_irq(&phba->hbalock); 6486 /* 6487 * Establish the starting RPI in this header block. The starting 6488 * rpi is normalized to a zero base because the physical rpi is 6489 * port based. 6490 */ 6491 curr_rpi_range = phba->sli4_hba.next_rpi; 6492 spin_unlock_irq(&phba->hbalock); 6493 6494 /* 6495 * The port has a limited number of rpis. The increment here 6496 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value 6497 * and to allow the full max_rpi range per port. 6498 */ 6499 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) 6500 rpi_count = rpi_limit - curr_rpi_range; 6501 else 6502 rpi_count = LPFC_RPI_HDR_COUNT; 6503 6504 if (!rpi_count) 6505 return NULL; 6506 /* 6507 * First allocate the protocol header region for the port. The 6508 * port expects a 4KB DMA-mapped memory region that is 4K aligned. 6509 */ 6510 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 6511 if (!dmabuf) 6512 return NULL; 6513 6514 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, 6515 LPFC_HDR_TEMPLATE_SIZE, 6516 &dmabuf->phys, GFP_KERNEL); 6517 if (!dmabuf->virt) { 6518 rpi_hdr = NULL; 6519 goto err_free_dmabuf; 6520 } 6521 6522 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { 6523 rpi_hdr = NULL; 6524 goto err_free_coherent; 6525 } 6526 6527 /* Save the rpi header data for cleanup later. */ 6528 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); 6529 if (!rpi_hdr) 6530 goto err_free_coherent; 6531 6532 rpi_hdr->dmabuf = dmabuf; 6533 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; 6534 rpi_hdr->page_count = 1; 6535 spin_lock_irq(&phba->hbalock); 6536 6537 /* The rpi_hdr stores the logical index only. */ 6538 rpi_hdr->start_rpi = curr_rpi_range; 6539 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); 6540 6541 /* 6542 * The next_rpi stores the next logical module-64 rpi value used 6543 * to post physical rpis in subsequent rpi postings. 6544 */ 6545 phba->sli4_hba.next_rpi += rpi_count; 6546 spin_unlock_irq(&phba->hbalock); 6547 return rpi_hdr; 6548 6549 err_free_coherent: 6550 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, 6551 dmabuf->virt, dmabuf->phys); 6552 err_free_dmabuf: 6553 kfree(dmabuf); 6554 return NULL; 6555 } 6556 6557 /** 6558 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions 6559 * @phba: pointer to lpfc hba data structure. 6560 * 6561 * This routine is invoked to remove all memory resources allocated 6562 * to support rpis for SLI4 ports not supporting extents. This routine 6563 * presumes the caller has released all rpis consumed by fabric or port 6564 * logins and is prepared to have the header pages removed. 6565 **/ 6566 void 6567 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) 6568 { 6569 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; 6570 6571 if (!phba->sli4_hba.rpi_hdrs_in_use) 6572 goto exit; 6573 6574 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, 6575 &phba->sli4_hba.lpfc_rpi_hdr_list, list) { 6576 list_del(&rpi_hdr->list); 6577 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, 6578 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); 6579 kfree(rpi_hdr->dmabuf); 6580 kfree(rpi_hdr); 6581 } 6582 exit: 6583 /* There are no rpis available to the port now. */ 6584 phba->sli4_hba.next_rpi = 0; 6585 } 6586 6587 /** 6588 * lpfc_hba_alloc - Allocate driver hba data structure for a device. 6589 * @pdev: pointer to pci device data structure. 6590 * 6591 * This routine is invoked to allocate the driver hba data structure for an 6592 * HBA device. If the allocation is successful, the phba reference to the 6593 * PCI device data structure is set. 6594 * 6595 * Return codes 6596 * pointer to @phba - successful 6597 * NULL - error 6598 **/ 6599 static struct lpfc_hba * 6600 lpfc_hba_alloc(struct pci_dev *pdev) 6601 { 6602 struct lpfc_hba *phba; 6603 6604 /* Allocate memory for HBA structure */ 6605 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); 6606 if (!phba) { 6607 dev_err(&pdev->dev, "failed to allocate hba struct\n"); 6608 return NULL; 6609 } 6610 6611 /* Set reference to PCI device in HBA structure */ 6612 phba->pcidev = pdev; 6613 6614 /* Assign an unused board number */ 6615 phba->brd_no = lpfc_get_instance(); 6616 if (phba->brd_no < 0) { 6617 kfree(phba); 6618 return NULL; 6619 } 6620 phba->eratt_poll_interval = LPFC_ERATT_POLL_INTERVAL; 6621 6622 spin_lock_init(&phba->ct_ev_lock); 6623 INIT_LIST_HEAD(&phba->ct_ev_waiters); 6624 6625 return phba; 6626 } 6627 6628 /** 6629 * lpfc_hba_free - Free driver hba data structure with a device. 6630 * @phba: pointer to lpfc hba data structure. 6631 * 6632 * This routine is invoked to free the driver hba data structure with an 6633 * HBA device. 6634 **/ 6635 static void 6636 lpfc_hba_free(struct lpfc_hba *phba) 6637 { 6638 /* Release the driver assigned board number */ 6639 idr_remove(&lpfc_hba_index, phba->brd_no); 6640 6641 /* Free memory allocated with sli3 rings */ 6642 kfree(phba->sli.sli3_ring); 6643 phba->sli.sli3_ring = NULL; 6644 6645 kfree(phba); 6646 return; 6647 } 6648 6649 /** 6650 * lpfc_create_shost - Create hba physical port with associated scsi host. 6651 * @phba: pointer to lpfc hba data structure. 6652 * 6653 * This routine is invoked to create HBA physical port and associate a SCSI 6654 * host with it. 6655 * 6656 * Return codes 6657 * 0 - successful 6658 * other values - error 6659 **/ 6660 static int 6661 lpfc_create_shost(struct lpfc_hba *phba) 6662 { 6663 struct lpfc_vport *vport; 6664 struct Scsi_Host *shost; 6665 6666 /* Initialize HBA FC structure */ 6667 phba->fc_edtov = FF_DEF_EDTOV; 6668 phba->fc_ratov = FF_DEF_RATOV; 6669 phba->fc_altov = FF_DEF_ALTOV; 6670 phba->fc_arbtov = FF_DEF_ARBTOV; 6671 6672 atomic_set(&phba->sdev_cnt, 0); 6673 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); 6674 if (!vport) 6675 return -ENODEV; 6676 6677 shost = lpfc_shost_from_vport(vport); 6678 phba->pport = vport; 6679 6680 if (phba->nvmet_support) { 6681 /* Only 1 vport (pport) will support NVME target */ 6682 if (phba->txrdy_payload_pool == NULL) { 6683 phba->txrdy_payload_pool = pci_pool_create( 6684 "txrdy_pool", phba->pcidev, 6685 TXRDY_PAYLOAD_LEN, 16, 0); 6686 if (phba->txrdy_payload_pool) { 6687 phba->targetport = NULL; 6688 phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME; 6689 lpfc_printf_log(phba, KERN_INFO, 6690 LOG_INIT | LOG_NVME_DISC, 6691 "6076 NVME Target Found\n"); 6692 } 6693 } 6694 } 6695 6696 lpfc_debugfs_initialize(vport); 6697 /* Put reference to SCSI host to driver's device private data */ 6698 pci_set_drvdata(phba->pcidev, shost); 6699 6700 /* 6701 * At this point we are fully registered with PSA. In addition, 6702 * any initial discovery should be completed. 6703 */ 6704 vport->load_flag |= FC_ALLOW_FDMI; 6705 if (phba->cfg_enable_SmartSAN || 6706 (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { 6707 6708 /* Setup appropriate attribute masks */ 6709 vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; 6710 if (phba->cfg_enable_SmartSAN) 6711 vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; 6712 else 6713 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; 6714 } 6715 return 0; 6716 } 6717 6718 /** 6719 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. 6720 * @phba: pointer to lpfc hba data structure. 6721 * 6722 * This routine is invoked to destroy HBA physical port and the associated 6723 * SCSI host. 6724 **/ 6725 static void 6726 lpfc_destroy_shost(struct lpfc_hba *phba) 6727 { 6728 struct lpfc_vport *vport = phba->pport; 6729 6730 /* Destroy physical port that associated with the SCSI host */ 6731 destroy_port(vport); 6732 6733 return; 6734 } 6735 6736 /** 6737 * lpfc_setup_bg - Setup Block guard structures and debug areas. 6738 * @phba: pointer to lpfc hba data structure. 6739 * @shost: the shost to be used to detect Block guard settings. 6740 * 6741 * This routine sets up the local Block guard protocol settings for @shost. 6742 * This routine also allocates memory for debugging bg buffers. 6743 **/ 6744 static void 6745 lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) 6746 { 6747 uint32_t old_mask; 6748 uint32_t old_guard; 6749 6750 int pagecnt = 10; 6751 if (phba->cfg_prot_mask && phba->cfg_prot_guard) { 6752 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 6753 "1478 Registering BlockGuard with the " 6754 "SCSI layer\n"); 6755 6756 old_mask = phba->cfg_prot_mask; 6757 old_guard = phba->cfg_prot_guard; 6758 6759 /* Only allow supported values */ 6760 phba->cfg_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | 6761 SHOST_DIX_TYPE0_PROTECTION | 6762 SHOST_DIX_TYPE1_PROTECTION); 6763 phba->cfg_prot_guard &= (SHOST_DIX_GUARD_IP | 6764 SHOST_DIX_GUARD_CRC); 6765 6766 /* DIF Type 1 protection for profiles AST1/C1 is end to end */ 6767 if (phba->cfg_prot_mask == SHOST_DIX_TYPE1_PROTECTION) 6768 phba->cfg_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; 6769 6770 if (phba->cfg_prot_mask && phba->cfg_prot_guard) { 6771 if ((old_mask != phba->cfg_prot_mask) || 6772 (old_guard != phba->cfg_prot_guard)) 6773 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6774 "1475 Registering BlockGuard with the " 6775 "SCSI layer: mask %d guard %d\n", 6776 phba->cfg_prot_mask, 6777 phba->cfg_prot_guard); 6778 6779 scsi_host_set_prot(shost, phba->cfg_prot_mask); 6780 scsi_host_set_guard(shost, phba->cfg_prot_guard); 6781 } else 6782 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 6783 "1479 Not Registering BlockGuard with the SCSI " 6784 "layer, Bad protection parameters: %d %d\n", 6785 old_mask, old_guard); 6786 } 6787 6788 if (!_dump_buf_data) { 6789 while (pagecnt) { 6790 spin_lock_init(&_dump_buf_lock); 6791 _dump_buf_data = 6792 (char *) __get_free_pages(GFP_KERNEL, pagecnt); 6793 if (_dump_buf_data) { 6794 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6795 "9043 BLKGRD: allocated %d pages for " 6796 "_dump_buf_data at 0x%p\n", 6797 (1 << pagecnt), _dump_buf_data); 6798 _dump_buf_data_order = pagecnt; 6799 memset(_dump_buf_data, 0, 6800 ((1 << PAGE_SHIFT) << pagecnt)); 6801 break; 6802 } else 6803 --pagecnt; 6804 } 6805 if (!_dump_buf_data_order) 6806 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6807 "9044 BLKGRD: ERROR unable to allocate " 6808 "memory for hexdump\n"); 6809 } else 6810 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6811 "9045 BLKGRD: already allocated _dump_buf_data=0x%p" 6812 "\n", _dump_buf_data); 6813 if (!_dump_buf_dif) { 6814 while (pagecnt) { 6815 _dump_buf_dif = 6816 (char *) __get_free_pages(GFP_KERNEL, pagecnt); 6817 if (_dump_buf_dif) { 6818 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6819 "9046 BLKGRD: allocated %d pages for " 6820 "_dump_buf_dif at 0x%p\n", 6821 (1 << pagecnt), _dump_buf_dif); 6822 _dump_buf_dif_order = pagecnt; 6823 memset(_dump_buf_dif, 0, 6824 ((1 << PAGE_SHIFT) << pagecnt)); 6825 break; 6826 } else 6827 --pagecnt; 6828 } 6829 if (!_dump_buf_dif_order) 6830 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6831 "9047 BLKGRD: ERROR unable to allocate " 6832 "memory for hexdump\n"); 6833 } else 6834 lpfc_printf_log(phba, KERN_ERR, LOG_BG, 6835 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", 6836 _dump_buf_dif); 6837 } 6838 6839 /** 6840 * lpfc_post_init_setup - Perform necessary device post initialization setup. 6841 * @phba: pointer to lpfc hba data structure. 6842 * 6843 * This routine is invoked to perform all the necessary post initialization 6844 * setup for the device. 6845 **/ 6846 static void 6847 lpfc_post_init_setup(struct lpfc_hba *phba) 6848 { 6849 struct Scsi_Host *shost; 6850 struct lpfc_adapter_event_header adapter_event; 6851 6852 /* Get the default values for Model Name and Description */ 6853 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 6854 6855 /* 6856 * hba setup may have changed the hba_queue_depth so we need to 6857 * adjust the value of can_queue. 6858 */ 6859 shost = pci_get_drvdata(phba->pcidev); 6860 shost->can_queue = phba->cfg_hba_queue_depth - 10; 6861 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) 6862 lpfc_setup_bg(phba, shost); 6863 6864 lpfc_host_attrib_init(shost); 6865 6866 if (phba->cfg_poll & DISABLE_FCP_RING_INT) { 6867 spin_lock_irq(shost->host_lock); 6868 lpfc_poll_start_timer(phba); 6869 spin_unlock_irq(shost->host_lock); 6870 } 6871 6872 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 6873 "0428 Perform SCSI scan\n"); 6874 /* Send board arrival event to upper layer */ 6875 adapter_event.event_type = FC_REG_ADAPTER_EVENT; 6876 adapter_event.subcategory = LPFC_EVENT_ARRIVAL; 6877 fc_host_post_vendor_event(shost, fc_get_event_number(), 6878 sizeof(adapter_event), 6879 (char *) &adapter_event, 6880 LPFC_NL_VENDOR_ID); 6881 return; 6882 } 6883 6884 /** 6885 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. 6886 * @phba: pointer to lpfc hba data structure. 6887 * 6888 * This routine is invoked to set up the PCI device memory space for device 6889 * with SLI-3 interface spec. 6890 * 6891 * Return codes 6892 * 0 - successful 6893 * other values - error 6894 **/ 6895 static int 6896 lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) 6897 { 6898 struct pci_dev *pdev; 6899 unsigned long bar0map_len, bar2map_len; 6900 int i, hbq_count; 6901 void *ptr; 6902 int error = -ENODEV; 6903 6904 /* Obtain PCI device reference */ 6905 if (!phba->pcidev) 6906 return error; 6907 else 6908 pdev = phba->pcidev; 6909 6910 /* Set the device DMA mask size */ 6911 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 6912 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { 6913 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 6914 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { 6915 return error; 6916 } 6917 } 6918 6919 /* Get the bus address of Bar0 and Bar2 and the number of bytes 6920 * required by each mapping. 6921 */ 6922 phba->pci_bar0_map = pci_resource_start(pdev, 0); 6923 bar0map_len = pci_resource_len(pdev, 0); 6924 6925 phba->pci_bar2_map = pci_resource_start(pdev, 2); 6926 bar2map_len = pci_resource_len(pdev, 2); 6927 6928 /* Map HBA SLIM to a kernel virtual address. */ 6929 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 6930 if (!phba->slim_memmap_p) { 6931 dev_printk(KERN_ERR, &pdev->dev, 6932 "ioremap failed for SLIM memory.\n"); 6933 goto out; 6934 } 6935 6936 /* Map HBA Control Registers to a kernel virtual address. */ 6937 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 6938 if (!phba->ctrl_regs_memmap_p) { 6939 dev_printk(KERN_ERR, &pdev->dev, 6940 "ioremap failed for HBA control registers.\n"); 6941 goto out_iounmap_slim; 6942 } 6943 6944 /* Allocate memory for SLI-2 structures */ 6945 phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE, 6946 &phba->slim2p.phys, GFP_KERNEL); 6947 if (!phba->slim2p.virt) 6948 goto out_iounmap; 6949 6950 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); 6951 phba->mbox_ext = (phba->slim2p.virt + 6952 offsetof(struct lpfc_sli2_slim, mbx_ext_words)); 6953 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); 6954 phba->IOCBs = (phba->slim2p.virt + 6955 offsetof(struct lpfc_sli2_slim, IOCBs)); 6956 6957 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, 6958 lpfc_sli_hbq_size(), 6959 &phba->hbqslimp.phys, 6960 GFP_KERNEL); 6961 if (!phba->hbqslimp.virt) 6962 goto out_free_slim; 6963 6964 hbq_count = lpfc_sli_hbq_count(); 6965 ptr = phba->hbqslimp.virt; 6966 for (i = 0; i < hbq_count; ++i) { 6967 phba->hbqs[i].hbq_virt = ptr; 6968 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); 6969 ptr += (lpfc_hbq_defs[i]->entry_count * 6970 sizeof(struct lpfc_hbq_entry)); 6971 } 6972 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; 6973 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; 6974 6975 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 6976 6977 phba->MBslimaddr = phba->slim_memmap_p; 6978 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 6979 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 6980 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 6981 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 6982 6983 return 0; 6984 6985 out_free_slim: 6986 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 6987 phba->slim2p.virt, phba->slim2p.phys); 6988 out_iounmap: 6989 iounmap(phba->ctrl_regs_memmap_p); 6990 out_iounmap_slim: 6991 iounmap(phba->slim_memmap_p); 6992 out: 6993 return error; 6994 } 6995 6996 /** 6997 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. 6998 * @phba: pointer to lpfc hba data structure. 6999 * 7000 * This routine is invoked to unset the PCI device memory space for device 7001 * with SLI-3 interface spec. 7002 **/ 7003 static void 7004 lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) 7005 { 7006 struct pci_dev *pdev; 7007 7008 /* Obtain PCI device reference */ 7009 if (!phba->pcidev) 7010 return; 7011 else 7012 pdev = phba->pcidev; 7013 7014 /* Free coherent DMA memory allocated */ 7015 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), 7016 phba->hbqslimp.virt, phba->hbqslimp.phys); 7017 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 7018 phba->slim2p.virt, phba->slim2p.phys); 7019 7020 /* I/O memory unmap */ 7021 iounmap(phba->ctrl_regs_memmap_p); 7022 iounmap(phba->slim_memmap_p); 7023 7024 return; 7025 } 7026 7027 /** 7028 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status 7029 * @phba: pointer to lpfc hba data structure. 7030 * 7031 * This routine is invoked to wait for SLI4 device Power On Self Test (POST) 7032 * done and check status. 7033 * 7034 * Return 0 if successful, otherwise -ENODEV. 7035 **/ 7036 int 7037 lpfc_sli4_post_status_check(struct lpfc_hba *phba) 7038 { 7039 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; 7040 struct lpfc_register reg_data; 7041 int i, port_error = 0; 7042 uint32_t if_type; 7043 7044 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); 7045 memset(®_data, 0, sizeof(reg_data)); 7046 if (!phba->sli4_hba.PSMPHRregaddr) 7047 return -ENODEV; 7048 7049 /* Wait up to 30 seconds for the SLI Port POST done and ready */ 7050 for (i = 0; i < 3000; i++) { 7051 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, 7052 &portsmphr_reg.word0) || 7053 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { 7054 /* Port has a fatal POST error, break out */ 7055 port_error = -ENODEV; 7056 break; 7057 } 7058 if (LPFC_POST_STAGE_PORT_READY == 7059 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) 7060 break; 7061 msleep(10); 7062 } 7063 7064 /* 7065 * If there was a port error during POST, then don't proceed with 7066 * other register reads as the data may not be valid. Just exit. 7067 */ 7068 if (port_error) { 7069 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7070 "1408 Port Failed POST - portsmphr=0x%x, " 7071 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " 7072 "scr2=x%x, hscratch=x%x, pstatus=x%x\n", 7073 portsmphr_reg.word0, 7074 bf_get(lpfc_port_smphr_perr, &portsmphr_reg), 7075 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), 7076 bf_get(lpfc_port_smphr_nip, &portsmphr_reg), 7077 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), 7078 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), 7079 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), 7080 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), 7081 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); 7082 } else { 7083 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 7084 "2534 Device Info: SLIFamily=0x%x, " 7085 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " 7086 "SLIHint_2=0x%x, FT=0x%x\n", 7087 bf_get(lpfc_sli_intf_sli_family, 7088 &phba->sli4_hba.sli_intf), 7089 bf_get(lpfc_sli_intf_slirev, 7090 &phba->sli4_hba.sli_intf), 7091 bf_get(lpfc_sli_intf_if_type, 7092 &phba->sli4_hba.sli_intf), 7093 bf_get(lpfc_sli_intf_sli_hint1, 7094 &phba->sli4_hba.sli_intf), 7095 bf_get(lpfc_sli_intf_sli_hint2, 7096 &phba->sli4_hba.sli_intf), 7097 bf_get(lpfc_sli_intf_func_type, 7098 &phba->sli4_hba.sli_intf)); 7099 /* 7100 * Check for other Port errors during the initialization 7101 * process. Fail the load if the port did not come up 7102 * correctly. 7103 */ 7104 if_type = bf_get(lpfc_sli_intf_if_type, 7105 &phba->sli4_hba.sli_intf); 7106 switch (if_type) { 7107 case LPFC_SLI_INTF_IF_TYPE_0: 7108 phba->sli4_hba.ue_mask_lo = 7109 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); 7110 phba->sli4_hba.ue_mask_hi = 7111 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); 7112 uerrlo_reg.word0 = 7113 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); 7114 uerrhi_reg.word0 = 7115 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); 7116 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || 7117 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { 7118 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7119 "1422 Unrecoverable Error " 7120 "Detected during POST " 7121 "uerr_lo_reg=0x%x, " 7122 "uerr_hi_reg=0x%x, " 7123 "ue_mask_lo_reg=0x%x, " 7124 "ue_mask_hi_reg=0x%x\n", 7125 uerrlo_reg.word0, 7126 uerrhi_reg.word0, 7127 phba->sli4_hba.ue_mask_lo, 7128 phba->sli4_hba.ue_mask_hi); 7129 port_error = -ENODEV; 7130 } 7131 break; 7132 case LPFC_SLI_INTF_IF_TYPE_2: 7133 /* Final checks. The port status should be clean. */ 7134 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, 7135 ®_data.word0) || 7136 (bf_get(lpfc_sliport_status_err, ®_data) && 7137 !bf_get(lpfc_sliport_status_rn, ®_data))) { 7138 phba->work_status[0] = 7139 readl(phba->sli4_hba.u.if_type2. 7140 ERR1regaddr); 7141 phba->work_status[1] = 7142 readl(phba->sli4_hba.u.if_type2. 7143 ERR2regaddr); 7144 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7145 "2888 Unrecoverable port error " 7146 "following POST: port status reg " 7147 "0x%x, port_smphr reg 0x%x, " 7148 "error 1=0x%x, error 2=0x%x\n", 7149 reg_data.word0, 7150 portsmphr_reg.word0, 7151 phba->work_status[0], 7152 phba->work_status[1]); 7153 port_error = -ENODEV; 7154 } 7155 break; 7156 case LPFC_SLI_INTF_IF_TYPE_1: 7157 default: 7158 break; 7159 } 7160 } 7161 return port_error; 7162 } 7163 7164 /** 7165 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. 7166 * @phba: pointer to lpfc hba data structure. 7167 * @if_type: The SLI4 interface type getting configured. 7168 * 7169 * This routine is invoked to set up SLI4 BAR0 PCI config space register 7170 * memory map. 7171 **/ 7172 static void 7173 lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) 7174 { 7175 switch (if_type) { 7176 case LPFC_SLI_INTF_IF_TYPE_0: 7177 phba->sli4_hba.u.if_type0.UERRLOregaddr = 7178 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; 7179 phba->sli4_hba.u.if_type0.UERRHIregaddr = 7180 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; 7181 phba->sli4_hba.u.if_type0.UEMASKLOregaddr = 7182 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; 7183 phba->sli4_hba.u.if_type0.UEMASKHIregaddr = 7184 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; 7185 phba->sli4_hba.SLIINTFregaddr = 7186 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; 7187 break; 7188 case LPFC_SLI_INTF_IF_TYPE_2: 7189 phba->sli4_hba.u.if_type2.ERR1regaddr = 7190 phba->sli4_hba.conf_regs_memmap_p + 7191 LPFC_CTL_PORT_ER1_OFFSET; 7192 phba->sli4_hba.u.if_type2.ERR2regaddr = 7193 phba->sli4_hba.conf_regs_memmap_p + 7194 LPFC_CTL_PORT_ER2_OFFSET; 7195 phba->sli4_hba.u.if_type2.CTRLregaddr = 7196 phba->sli4_hba.conf_regs_memmap_p + 7197 LPFC_CTL_PORT_CTL_OFFSET; 7198 phba->sli4_hba.u.if_type2.STATUSregaddr = 7199 phba->sli4_hba.conf_regs_memmap_p + 7200 LPFC_CTL_PORT_STA_OFFSET; 7201 phba->sli4_hba.SLIINTFregaddr = 7202 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; 7203 phba->sli4_hba.PSMPHRregaddr = 7204 phba->sli4_hba.conf_regs_memmap_p + 7205 LPFC_CTL_PORT_SEM_OFFSET; 7206 phba->sli4_hba.RQDBregaddr = 7207 phba->sli4_hba.conf_regs_memmap_p + 7208 LPFC_ULP0_RQ_DOORBELL; 7209 phba->sli4_hba.WQDBregaddr = 7210 phba->sli4_hba.conf_regs_memmap_p + 7211 LPFC_ULP0_WQ_DOORBELL; 7212 phba->sli4_hba.EQCQDBregaddr = 7213 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; 7214 phba->sli4_hba.MQDBregaddr = 7215 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; 7216 phba->sli4_hba.BMBXregaddr = 7217 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; 7218 break; 7219 case LPFC_SLI_INTF_IF_TYPE_1: 7220 default: 7221 dev_printk(KERN_ERR, &phba->pcidev->dev, 7222 "FATAL - unsupported SLI4 interface type - %d\n", 7223 if_type); 7224 break; 7225 } 7226 } 7227 7228 /** 7229 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. 7230 * @phba: pointer to lpfc hba data structure. 7231 * 7232 * This routine is invoked to set up SLI4 BAR1 control status register (CSR) 7233 * memory map. 7234 **/ 7235 static void 7236 lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) 7237 { 7238 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + 7239 LPFC_SLIPORT_IF0_SMPHR; 7240 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + 7241 LPFC_HST_ISR0; 7242 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + 7243 LPFC_HST_IMR0; 7244 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + 7245 LPFC_HST_ISCR0; 7246 } 7247 7248 /** 7249 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. 7250 * @phba: pointer to lpfc hba data structure. 7251 * @vf: virtual function number 7252 * 7253 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map 7254 * based on the given viftual function number, @vf. 7255 * 7256 * Return 0 if successful, otherwise -ENODEV. 7257 **/ 7258 static int 7259 lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) 7260 { 7261 if (vf > LPFC_VIR_FUNC_MAX) 7262 return -ENODEV; 7263 7264 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + 7265 vf * LPFC_VFR_PAGE_SIZE + 7266 LPFC_ULP0_RQ_DOORBELL); 7267 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + 7268 vf * LPFC_VFR_PAGE_SIZE + 7269 LPFC_ULP0_WQ_DOORBELL); 7270 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + 7271 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); 7272 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + 7273 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); 7274 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + 7275 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); 7276 return 0; 7277 } 7278 7279 /** 7280 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox 7281 * @phba: pointer to lpfc hba data structure. 7282 * 7283 * This routine is invoked to create the bootstrap mailbox 7284 * region consistent with the SLI-4 interface spec. This 7285 * routine allocates all memory necessary to communicate 7286 * mailbox commands to the port and sets up all alignment 7287 * needs. No locks are expected to be held when calling 7288 * this routine. 7289 * 7290 * Return codes 7291 * 0 - successful 7292 * -ENOMEM - could not allocated memory. 7293 **/ 7294 static int 7295 lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) 7296 { 7297 uint32_t bmbx_size; 7298 struct lpfc_dmabuf *dmabuf; 7299 struct dma_address *dma_address; 7300 uint32_t pa_addr; 7301 uint64_t phys_addr; 7302 7303 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 7304 if (!dmabuf) 7305 return -ENOMEM; 7306 7307 /* 7308 * The bootstrap mailbox region is comprised of 2 parts 7309 * plus an alignment restriction of 16 bytes. 7310 */ 7311 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); 7312 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size, 7313 &dmabuf->phys, GFP_KERNEL); 7314 if (!dmabuf->virt) { 7315 kfree(dmabuf); 7316 return -ENOMEM; 7317 } 7318 7319 /* 7320 * Initialize the bootstrap mailbox pointers now so that the register 7321 * operations are simple later. The mailbox dma address is required 7322 * to be 16-byte aligned. Also align the virtual memory as each 7323 * maibox is copied into the bmbx mailbox region before issuing the 7324 * command to the port. 7325 */ 7326 phba->sli4_hba.bmbx.dmabuf = dmabuf; 7327 phba->sli4_hba.bmbx.bmbx_size = bmbx_size; 7328 7329 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, 7330 LPFC_ALIGN_16_BYTE); 7331 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, 7332 LPFC_ALIGN_16_BYTE); 7333 7334 /* 7335 * Set the high and low physical addresses now. The SLI4 alignment 7336 * requirement is 16 bytes and the mailbox is posted to the port 7337 * as two 30-bit addresses. The other data is a bit marking whether 7338 * the 30-bit address is the high or low address. 7339 * Upcast bmbx aphys to 64bits so shift instruction compiles 7340 * clean on 32 bit machines. 7341 */ 7342 dma_address = &phba->sli4_hba.bmbx.dma_address; 7343 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; 7344 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); 7345 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | 7346 LPFC_BMBX_BIT1_ADDR_HI); 7347 7348 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); 7349 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | 7350 LPFC_BMBX_BIT1_ADDR_LO); 7351 return 0; 7352 } 7353 7354 /** 7355 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources 7356 * @phba: pointer to lpfc hba data structure. 7357 * 7358 * This routine is invoked to teardown the bootstrap mailbox 7359 * region and release all host resources. This routine requires 7360 * the caller to ensure all mailbox commands recovered, no 7361 * additional mailbox comands are sent, and interrupts are disabled 7362 * before calling this routine. 7363 * 7364 **/ 7365 static void 7366 lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) 7367 { 7368 dma_free_coherent(&phba->pcidev->dev, 7369 phba->sli4_hba.bmbx.bmbx_size, 7370 phba->sli4_hba.bmbx.dmabuf->virt, 7371 phba->sli4_hba.bmbx.dmabuf->phys); 7372 7373 kfree(phba->sli4_hba.bmbx.dmabuf); 7374 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); 7375 } 7376 7377 /** 7378 * lpfc_sli4_read_config - Get the config parameters. 7379 * @phba: pointer to lpfc hba data structure. 7380 * 7381 * This routine is invoked to read the configuration parameters from the HBA. 7382 * The configuration parameters are used to set the base and maximum values 7383 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource 7384 * allocation for the port. 7385 * 7386 * Return codes 7387 * 0 - successful 7388 * -ENOMEM - No available memory 7389 * -EIO - The mailbox failed to complete successfully. 7390 **/ 7391 int 7392 lpfc_sli4_read_config(struct lpfc_hba *phba) 7393 { 7394 LPFC_MBOXQ_t *pmb; 7395 struct lpfc_mbx_read_config *rd_config; 7396 union lpfc_sli4_cfg_shdr *shdr; 7397 uint32_t shdr_status, shdr_add_status; 7398 struct lpfc_mbx_get_func_cfg *get_func_cfg; 7399 struct lpfc_rsrc_desc_fcfcoe *desc; 7400 char *pdesc_0; 7401 uint16_t forced_link_speed; 7402 uint32_t if_type; 7403 int length, i, rc = 0, rc2; 7404 7405 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 7406 if (!pmb) { 7407 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 7408 "2011 Unable to allocate memory for issuing " 7409 "SLI_CONFIG_SPECIAL mailbox command\n"); 7410 return -ENOMEM; 7411 } 7412 7413 lpfc_read_config(phba, pmb); 7414 7415 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 7416 if (rc != MBX_SUCCESS) { 7417 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 7418 "2012 Mailbox failed , mbxCmd x%x " 7419 "READ_CONFIG, mbxStatus x%x\n", 7420 bf_get(lpfc_mqe_command, &pmb->u.mqe), 7421 bf_get(lpfc_mqe_status, &pmb->u.mqe)); 7422 rc = -EIO; 7423 } else { 7424 rd_config = &pmb->u.mqe.un.rd_config; 7425 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { 7426 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; 7427 phba->sli4_hba.lnk_info.lnk_tp = 7428 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); 7429 phba->sli4_hba.lnk_info.lnk_no = 7430 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); 7431 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 7432 "3081 lnk_type:%d, lnk_numb:%d\n", 7433 phba->sli4_hba.lnk_info.lnk_tp, 7434 phba->sli4_hba.lnk_info.lnk_no); 7435 } else 7436 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, 7437 "3082 Mailbox (x%x) returned ldv:x0\n", 7438 bf_get(lpfc_mqe_command, &pmb->u.mqe)); 7439 phba->sli4_hba.extents_in_use = 7440 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); 7441 phba->sli4_hba.max_cfg_param.max_xri = 7442 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); 7443 phba->sli4_hba.max_cfg_param.xri_base = 7444 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); 7445 phba->sli4_hba.max_cfg_param.max_vpi = 7446 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); 7447 phba->sli4_hba.max_cfg_param.vpi_base = 7448 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); 7449 phba->sli4_hba.max_cfg_param.max_rpi = 7450 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); 7451 phba->sli4_hba.max_cfg_param.rpi_base = 7452 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); 7453 phba->sli4_hba.max_cfg_param.max_vfi = 7454 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); 7455 phba->sli4_hba.max_cfg_param.vfi_base = 7456 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); 7457 phba->sli4_hba.max_cfg_param.max_fcfi = 7458 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); 7459 phba->sli4_hba.max_cfg_param.max_eq = 7460 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); 7461 phba->sli4_hba.max_cfg_param.max_rq = 7462 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); 7463 phba->sli4_hba.max_cfg_param.max_wq = 7464 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); 7465 phba->sli4_hba.max_cfg_param.max_cq = 7466 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); 7467 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); 7468 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; 7469 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; 7470 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; 7471 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? 7472 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; 7473 phba->max_vports = phba->max_vpi; 7474 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 7475 "2003 cfg params Extents? %d " 7476 "XRI(B:%d M:%d), " 7477 "VPI(B:%d M:%d) " 7478 "VFI(B:%d M:%d) " 7479 "RPI(B:%d M:%d) " 7480 "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n", 7481 phba->sli4_hba.extents_in_use, 7482 phba->sli4_hba.max_cfg_param.xri_base, 7483 phba->sli4_hba.max_cfg_param.max_xri, 7484 phba->sli4_hba.max_cfg_param.vpi_base, 7485 phba->sli4_hba.max_cfg_param.max_vpi, 7486 phba->sli4_hba.max_cfg_param.vfi_base, 7487 phba->sli4_hba.max_cfg_param.max_vfi, 7488 phba->sli4_hba.max_cfg_param.rpi_base, 7489 phba->sli4_hba.max_cfg_param.max_rpi, 7490 phba->sli4_hba.max_cfg_param.max_fcfi, 7491 phba->sli4_hba.max_cfg_param.max_eq, 7492 phba->sli4_hba.max_cfg_param.max_cq, 7493 phba->sli4_hba.max_cfg_param.max_wq, 7494 phba->sli4_hba.max_cfg_param.max_rq); 7495 7496 } 7497 7498 if (rc) 7499 goto read_cfg_out; 7500 7501 /* Update link speed if forced link speed is supported */ 7502 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 7503 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { 7504 forced_link_speed = 7505 bf_get(lpfc_mbx_rd_conf_link_speed, rd_config); 7506 if (forced_link_speed) { 7507 phba->hba_flag |= HBA_FORCED_LINK_SPEED; 7508 7509 switch (forced_link_speed) { 7510 case LINK_SPEED_1G: 7511 phba->cfg_link_speed = 7512 LPFC_USER_LINK_SPEED_1G; 7513 break; 7514 case LINK_SPEED_2G: 7515 phba->cfg_link_speed = 7516 LPFC_USER_LINK_SPEED_2G; 7517 break; 7518 case LINK_SPEED_4G: 7519 phba->cfg_link_speed = 7520 LPFC_USER_LINK_SPEED_4G; 7521 break; 7522 case LINK_SPEED_8G: 7523 phba->cfg_link_speed = 7524 LPFC_USER_LINK_SPEED_8G; 7525 break; 7526 case LINK_SPEED_10G: 7527 phba->cfg_link_speed = 7528 LPFC_USER_LINK_SPEED_10G; 7529 break; 7530 case LINK_SPEED_16G: 7531 phba->cfg_link_speed = 7532 LPFC_USER_LINK_SPEED_16G; 7533 break; 7534 case LINK_SPEED_32G: 7535 phba->cfg_link_speed = 7536 LPFC_USER_LINK_SPEED_32G; 7537 break; 7538 case 0xffff: 7539 phba->cfg_link_speed = 7540 LPFC_USER_LINK_SPEED_AUTO; 7541 break; 7542 default: 7543 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 7544 "0047 Unrecognized link " 7545 "speed : %d\n", 7546 forced_link_speed); 7547 phba->cfg_link_speed = 7548 LPFC_USER_LINK_SPEED_AUTO; 7549 } 7550 } 7551 } 7552 7553 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 7554 length = phba->sli4_hba.max_cfg_param.max_xri - 7555 lpfc_sli4_get_els_iocb_cnt(phba); 7556 if (phba->cfg_hba_queue_depth > length) { 7557 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 7558 "3361 HBA queue depth changed from %d to %d\n", 7559 phba->cfg_hba_queue_depth, length); 7560 phba->cfg_hba_queue_depth = length; 7561 } 7562 7563 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != 7564 LPFC_SLI_INTF_IF_TYPE_2) 7565 goto read_cfg_out; 7566 7567 /* get the pf# and vf# for SLI4 if_type 2 port */ 7568 length = (sizeof(struct lpfc_mbx_get_func_cfg) - 7569 sizeof(struct lpfc_sli4_cfg_mhdr)); 7570 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, 7571 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, 7572 length, LPFC_SLI4_MBX_EMBED); 7573 7574 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 7575 shdr = (union lpfc_sli4_cfg_shdr *) 7576 &pmb->u.mqe.un.sli4_config.header.cfg_shdr; 7577 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); 7578 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); 7579 if (rc2 || shdr_status || shdr_add_status) { 7580 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 7581 "3026 Mailbox failed , mbxCmd x%x " 7582 "GET_FUNCTION_CONFIG, mbxStatus x%x\n", 7583 bf_get(lpfc_mqe_command, &pmb->u.mqe), 7584 bf_get(lpfc_mqe_status, &pmb->u.mqe)); 7585 goto read_cfg_out; 7586 } 7587 7588 /* search for fc_fcoe resrouce descriptor */ 7589 get_func_cfg = &pmb->u.mqe.un.get_func_cfg; 7590 7591 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; 7592 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; 7593 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); 7594 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) 7595 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; 7596 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) 7597 goto read_cfg_out; 7598 7599 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { 7600 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); 7601 if (LPFC_RSRC_DESC_TYPE_FCFCOE == 7602 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { 7603 phba->sli4_hba.iov.pf_number = 7604 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); 7605 phba->sli4_hba.iov.vf_number = 7606 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); 7607 break; 7608 } 7609 } 7610 7611 if (i < LPFC_RSRC_DESC_MAX_NUM) 7612 lpfc_printf_log(phba, KERN_INFO, LOG_SLI, 7613 "3027 GET_FUNCTION_CONFIG: pf_number:%d, " 7614 "vf_number:%d\n", phba->sli4_hba.iov.pf_number, 7615 phba->sli4_hba.iov.vf_number); 7616 else 7617 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, 7618 "3028 GET_FUNCTION_CONFIG: failed to find " 7619 "Resrouce Descriptor:x%x\n", 7620 LPFC_RSRC_DESC_TYPE_FCFCOE); 7621 7622 read_cfg_out: 7623 mempool_free(pmb, phba->mbox_mem_pool); 7624 return rc; 7625 } 7626 7627 /** 7628 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. 7629 * @phba: pointer to lpfc hba data structure. 7630 * 7631 * This routine is invoked to setup the port-side endian order when 7632 * the port if_type is 0. This routine has no function for other 7633 * if_types. 7634 * 7635 * Return codes 7636 * 0 - successful 7637 * -ENOMEM - No available memory 7638 * -EIO - The mailbox failed to complete successfully. 7639 **/ 7640 static int 7641 lpfc_setup_endian_order(struct lpfc_hba *phba) 7642 { 7643 LPFC_MBOXQ_t *mboxq; 7644 uint32_t if_type, rc = 0; 7645 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, 7646 HOST_ENDIAN_HIGH_WORD1}; 7647 7648 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 7649 switch (if_type) { 7650 case LPFC_SLI_INTF_IF_TYPE_0: 7651 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, 7652 GFP_KERNEL); 7653 if (!mboxq) { 7654 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7655 "0492 Unable to allocate memory for " 7656 "issuing SLI_CONFIG_SPECIAL mailbox " 7657 "command\n"); 7658 return -ENOMEM; 7659 } 7660 7661 /* 7662 * The SLI4_CONFIG_SPECIAL mailbox command requires the first 7663 * two words to contain special data values and no other data. 7664 */ 7665 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); 7666 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); 7667 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 7668 if (rc != MBX_SUCCESS) { 7669 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7670 "0493 SLI_CONFIG_SPECIAL mailbox " 7671 "failed with status x%x\n", 7672 rc); 7673 rc = -EIO; 7674 } 7675 mempool_free(mboxq, phba->mbox_mem_pool); 7676 break; 7677 case LPFC_SLI_INTF_IF_TYPE_2: 7678 case LPFC_SLI_INTF_IF_TYPE_1: 7679 default: 7680 break; 7681 } 7682 return rc; 7683 } 7684 7685 /** 7686 * lpfc_sli4_queue_verify - Verify and update EQ counts 7687 * @phba: pointer to lpfc hba data structure. 7688 * 7689 * This routine is invoked to check the user settable queue counts for EQs. 7690 * After this routine is called the counts will be set to valid values that 7691 * adhere to the constraints of the system's interrupt vectors and the port's 7692 * queue resources. 7693 * 7694 * Return codes 7695 * 0 - successful 7696 * -ENOMEM - No available memory 7697 **/ 7698 static int 7699 lpfc_sli4_queue_verify(struct lpfc_hba *phba) 7700 { 7701 int io_channel; 7702 int fof_vectors = phba->cfg_fof ? 1 : 0; 7703 7704 /* 7705 * Sanity check for configured queue parameters against the run-time 7706 * device parameters 7707 */ 7708 7709 /* Sanity check on HBA EQ parameters */ 7710 io_channel = phba->io_channel_irqs; 7711 7712 if (phba->sli4_hba.num_online_cpu < io_channel) { 7713 lpfc_printf_log(phba, 7714 KERN_ERR, LOG_INIT, 7715 "3188 Reducing IO channels to match number of " 7716 "online CPUs: from %d to %d\n", 7717 io_channel, phba->sli4_hba.num_online_cpu); 7718 io_channel = phba->sli4_hba.num_online_cpu; 7719 } 7720 7721 if (io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) { 7722 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7723 "2575 Reducing IO channels to match number of " 7724 "available EQs: from %d to %d\n", 7725 io_channel, 7726 phba->sli4_hba.max_cfg_param.max_eq); 7727 io_channel = phba->sli4_hba.max_cfg_param.max_eq - fof_vectors; 7728 } 7729 7730 /* The actual number of FCP / NVME event queues adopted */ 7731 if (io_channel != phba->io_channel_irqs) 7732 phba->io_channel_irqs = io_channel; 7733 if (phba->cfg_fcp_io_channel > io_channel) 7734 phba->cfg_fcp_io_channel = io_channel; 7735 if (phba->cfg_nvme_io_channel > io_channel) 7736 phba->cfg_nvme_io_channel = io_channel; 7737 if (phba->cfg_nvme_io_channel < phba->cfg_nvmet_mrq) 7738 phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel; 7739 7740 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7741 "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n", 7742 phba->io_channel_irqs, phba->cfg_fcp_io_channel, 7743 phba->cfg_nvme_io_channel, phba->cfg_nvmet_mrq); 7744 7745 /* Get EQ depth from module parameter, fake the default for now */ 7746 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; 7747 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; 7748 7749 /* Get CQ depth from module parameter, fake the default for now */ 7750 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; 7751 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; 7752 return 0; 7753 } 7754 7755 static int 7756 lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx) 7757 { 7758 struct lpfc_queue *qdesc; 7759 int cnt; 7760 7761 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 7762 phba->sli4_hba.cq_ecount); 7763 if (!qdesc) { 7764 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7765 "0508 Failed allocate fast-path NVME CQ (%d)\n", 7766 wqidx); 7767 return 1; 7768 } 7769 phba->sli4_hba.nvme_cq[wqidx] = qdesc; 7770 7771 cnt = LPFC_NVME_WQSIZE; 7772 qdesc = lpfc_sli4_queue_alloc(phba, LPFC_WQE128_SIZE, cnt); 7773 if (!qdesc) { 7774 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7775 "0509 Failed allocate fast-path NVME WQ (%d)\n", 7776 wqidx); 7777 return 1; 7778 } 7779 phba->sli4_hba.nvme_wq[wqidx] = qdesc; 7780 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); 7781 return 0; 7782 } 7783 7784 static int 7785 lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx) 7786 { 7787 struct lpfc_queue *qdesc; 7788 uint32_t wqesize; 7789 7790 /* Create Fast Path FCP CQs */ 7791 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 7792 phba->sli4_hba.cq_ecount); 7793 if (!qdesc) { 7794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7795 "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx); 7796 return 1; 7797 } 7798 phba->sli4_hba.fcp_cq[wqidx] = qdesc; 7799 7800 /* Create Fast Path FCP WQs */ 7801 wqesize = (phba->fcp_embed_io) ? 7802 LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; 7803 qdesc = lpfc_sli4_queue_alloc(phba, wqesize, phba->sli4_hba.wq_ecount); 7804 if (!qdesc) { 7805 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7806 "0503 Failed allocate fast-path FCP WQ (%d)\n", 7807 wqidx); 7808 return 1; 7809 } 7810 phba->sli4_hba.fcp_wq[wqidx] = qdesc; 7811 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); 7812 return 0; 7813 } 7814 7815 /** 7816 * lpfc_sli4_queue_create - Create all the SLI4 queues 7817 * @phba: pointer to lpfc hba data structure. 7818 * 7819 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA 7820 * operation. For each SLI4 queue type, the parameters such as queue entry 7821 * count (queue depth) shall be taken from the module parameter. For now, 7822 * we just use some constant number as place holder. 7823 * 7824 * Return codes 7825 * 0 - successful 7826 * -ENOMEM - No availble memory 7827 * -EIO - The mailbox failed to complete successfully. 7828 **/ 7829 int 7830 lpfc_sli4_queue_create(struct lpfc_hba *phba) 7831 { 7832 struct lpfc_queue *qdesc; 7833 int idx, io_channel, max; 7834 7835 /* 7836 * Create HBA Record arrays. 7837 * Both NVME and FCP will share that same vectors / EQs 7838 */ 7839 io_channel = phba->io_channel_irqs; 7840 if (!io_channel) 7841 return -ERANGE; 7842 7843 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; 7844 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; 7845 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; 7846 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; 7847 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; 7848 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; 7849 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; 7850 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; 7851 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; 7852 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; 7853 7854 phba->sli4_hba.hba_eq = kcalloc(io_channel, 7855 sizeof(struct lpfc_queue *), 7856 GFP_KERNEL); 7857 if (!phba->sli4_hba.hba_eq) { 7858 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7859 "2576 Failed allocate memory for " 7860 "fast-path EQ record array\n"); 7861 goto out_error; 7862 } 7863 7864 if (phba->cfg_fcp_io_channel) { 7865 phba->sli4_hba.fcp_cq = kcalloc(phba->cfg_fcp_io_channel, 7866 sizeof(struct lpfc_queue *), 7867 GFP_KERNEL); 7868 if (!phba->sli4_hba.fcp_cq) { 7869 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7870 "2577 Failed allocate memory for " 7871 "fast-path CQ record array\n"); 7872 goto out_error; 7873 } 7874 phba->sli4_hba.fcp_wq = kcalloc(phba->cfg_fcp_io_channel, 7875 sizeof(struct lpfc_queue *), 7876 GFP_KERNEL); 7877 if (!phba->sli4_hba.fcp_wq) { 7878 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7879 "2578 Failed allocate memory for " 7880 "fast-path FCP WQ record array\n"); 7881 goto out_error; 7882 } 7883 /* 7884 * Since the first EQ can have multiple CQs associated with it, 7885 * this array is used to quickly see if we have a FCP fast-path 7886 * CQ match. 7887 */ 7888 phba->sli4_hba.fcp_cq_map = kcalloc(phba->cfg_fcp_io_channel, 7889 sizeof(uint16_t), 7890 GFP_KERNEL); 7891 if (!phba->sli4_hba.fcp_cq_map) { 7892 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7893 "2545 Failed allocate memory for " 7894 "fast-path CQ map\n"); 7895 goto out_error; 7896 } 7897 } 7898 7899 if (phba->cfg_nvme_io_channel) { 7900 phba->sli4_hba.nvme_cq = kcalloc(phba->cfg_nvme_io_channel, 7901 sizeof(struct lpfc_queue *), 7902 GFP_KERNEL); 7903 if (!phba->sli4_hba.nvme_cq) { 7904 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7905 "6077 Failed allocate memory for " 7906 "fast-path CQ record array\n"); 7907 goto out_error; 7908 } 7909 7910 phba->sli4_hba.nvme_wq = kcalloc(phba->cfg_nvme_io_channel, 7911 sizeof(struct lpfc_queue *), 7912 GFP_KERNEL); 7913 if (!phba->sli4_hba.nvme_wq) { 7914 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7915 "2581 Failed allocate memory for " 7916 "fast-path NVME WQ record array\n"); 7917 goto out_error; 7918 } 7919 7920 /* 7921 * Since the first EQ can have multiple CQs associated with it, 7922 * this array is used to quickly see if we have a NVME fast-path 7923 * CQ match. 7924 */ 7925 phba->sli4_hba.nvme_cq_map = kcalloc(phba->cfg_nvme_io_channel, 7926 sizeof(uint16_t), 7927 GFP_KERNEL); 7928 if (!phba->sli4_hba.nvme_cq_map) { 7929 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7930 "6078 Failed allocate memory for " 7931 "fast-path CQ map\n"); 7932 goto out_error; 7933 } 7934 7935 if (phba->nvmet_support) { 7936 phba->sli4_hba.nvmet_cqset = kcalloc( 7937 phba->cfg_nvmet_mrq, 7938 sizeof(struct lpfc_queue *), 7939 GFP_KERNEL); 7940 if (!phba->sli4_hba.nvmet_cqset) { 7941 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7942 "3121 Fail allocate memory for " 7943 "fast-path CQ set array\n"); 7944 goto out_error; 7945 } 7946 phba->sli4_hba.nvmet_mrq_hdr = kcalloc( 7947 phba->cfg_nvmet_mrq, 7948 sizeof(struct lpfc_queue *), 7949 GFP_KERNEL); 7950 if (!phba->sli4_hba.nvmet_mrq_hdr) { 7951 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7952 "3122 Fail allocate memory for " 7953 "fast-path RQ set hdr array\n"); 7954 goto out_error; 7955 } 7956 phba->sli4_hba.nvmet_mrq_data = kcalloc( 7957 phba->cfg_nvmet_mrq, 7958 sizeof(struct lpfc_queue *), 7959 GFP_KERNEL); 7960 if (!phba->sli4_hba.nvmet_mrq_data) { 7961 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7962 "3124 Fail allocate memory for " 7963 "fast-path RQ set data array\n"); 7964 goto out_error; 7965 } 7966 } 7967 } 7968 7969 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); 7970 7971 /* Create HBA Event Queues (EQs) */ 7972 for (idx = 0; idx < io_channel; idx++) { 7973 /* Create EQs */ 7974 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, 7975 phba->sli4_hba.eq_ecount); 7976 if (!qdesc) { 7977 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 7978 "0497 Failed allocate EQ (%d)\n", idx); 7979 goto out_error; 7980 } 7981 phba->sli4_hba.hba_eq[idx] = qdesc; 7982 } 7983 7984 /* FCP and NVME io channels are not required to be balanced */ 7985 7986 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) 7987 if (lpfc_alloc_fcp_wq_cq(phba, idx)) 7988 goto out_error; 7989 7990 for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) 7991 if (lpfc_alloc_nvme_wq_cq(phba, idx)) 7992 goto out_error; 7993 7994 /* allocate MRQ CQs */ 7995 max = phba->cfg_nvme_io_channel; 7996 if (max < phba->cfg_nvmet_mrq) 7997 max = phba->cfg_nvmet_mrq; 7998 7999 for (idx = 0; idx < max; idx++) 8000 if (lpfc_alloc_nvme_wq_cq(phba, idx)) 8001 goto out_error; 8002 8003 if (phba->nvmet_support) { 8004 for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { 8005 qdesc = lpfc_sli4_queue_alloc(phba, 8006 phba->sli4_hba.cq_esize, 8007 phba->sli4_hba.cq_ecount); 8008 if (!qdesc) { 8009 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8010 "3142 Failed allocate NVME " 8011 "CQ Set (%d)\n", idx); 8012 goto out_error; 8013 } 8014 phba->sli4_hba.nvmet_cqset[idx] = qdesc; 8015 } 8016 } 8017 8018 /* 8019 * Create Slow Path Completion Queues (CQs) 8020 */ 8021 8022 /* Create slow-path Mailbox Command Complete Queue */ 8023 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 8024 phba->sli4_hba.cq_ecount); 8025 if (!qdesc) { 8026 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8027 "0500 Failed allocate slow-path mailbox CQ\n"); 8028 goto out_error; 8029 } 8030 phba->sli4_hba.mbx_cq = qdesc; 8031 8032 /* Create slow-path ELS Complete Queue */ 8033 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 8034 phba->sli4_hba.cq_ecount); 8035 if (!qdesc) { 8036 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8037 "0501 Failed allocate slow-path ELS CQ\n"); 8038 goto out_error; 8039 } 8040 phba->sli4_hba.els_cq = qdesc; 8041 8042 8043 /* 8044 * Create Slow Path Work Queues (WQs) 8045 */ 8046 8047 /* Create Mailbox Command Queue */ 8048 8049 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, 8050 phba->sli4_hba.mq_ecount); 8051 if (!qdesc) { 8052 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8053 "0505 Failed allocate slow-path MQ\n"); 8054 goto out_error; 8055 } 8056 phba->sli4_hba.mbx_wq = qdesc; 8057 8058 /* 8059 * Create ELS Work Queues 8060 */ 8061 8062 /* Create slow-path ELS Work Queue */ 8063 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, 8064 phba->sli4_hba.wq_ecount); 8065 if (!qdesc) { 8066 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8067 "0504 Failed allocate slow-path ELS WQ\n"); 8068 goto out_error; 8069 } 8070 phba->sli4_hba.els_wq = qdesc; 8071 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); 8072 8073 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 8074 /* Create NVME LS Complete Queue */ 8075 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 8076 phba->sli4_hba.cq_ecount); 8077 if (!qdesc) { 8078 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8079 "6079 Failed allocate NVME LS CQ\n"); 8080 goto out_error; 8081 } 8082 phba->sli4_hba.nvmels_cq = qdesc; 8083 8084 /* Create NVME LS Work Queue */ 8085 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, 8086 phba->sli4_hba.wq_ecount); 8087 if (!qdesc) { 8088 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8089 "6080 Failed allocate NVME LS WQ\n"); 8090 goto out_error; 8091 } 8092 phba->sli4_hba.nvmels_wq = qdesc; 8093 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); 8094 } 8095 8096 /* 8097 * Create Receive Queue (RQ) 8098 */ 8099 8100 /* Create Receive Queue for header */ 8101 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, 8102 phba->sli4_hba.rq_ecount); 8103 if (!qdesc) { 8104 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8105 "0506 Failed allocate receive HRQ\n"); 8106 goto out_error; 8107 } 8108 phba->sli4_hba.hdr_rq = qdesc; 8109 8110 /* Create Receive Queue for data */ 8111 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, 8112 phba->sli4_hba.rq_ecount); 8113 if (!qdesc) { 8114 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8115 "0507 Failed allocate receive DRQ\n"); 8116 goto out_error; 8117 } 8118 phba->sli4_hba.dat_rq = qdesc; 8119 8120 if (phba->nvmet_support) { 8121 for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { 8122 /* Create NVMET Receive Queue for header */ 8123 qdesc = lpfc_sli4_queue_alloc(phba, 8124 phba->sli4_hba.rq_esize, 8125 phba->sli4_hba.rq_ecount); 8126 if (!qdesc) { 8127 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8128 "3146 Failed allocate " 8129 "receive HRQ\n"); 8130 goto out_error; 8131 } 8132 phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc; 8133 8134 /* Only needed for header of RQ pair */ 8135 qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb), 8136 GFP_KERNEL); 8137 if (qdesc->rqbp == NULL) { 8138 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8139 "6131 Failed allocate " 8140 "Header RQBP\n"); 8141 goto out_error; 8142 } 8143 8144 /* Create NVMET Receive Queue for data */ 8145 qdesc = lpfc_sli4_queue_alloc(phba, 8146 phba->sli4_hba.rq_esize, 8147 phba->sli4_hba.rq_ecount); 8148 if (!qdesc) { 8149 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8150 "3156 Failed allocate " 8151 "receive DRQ\n"); 8152 goto out_error; 8153 } 8154 phba->sli4_hba.nvmet_mrq_data[idx] = qdesc; 8155 } 8156 } 8157 8158 /* Create the Queues needed for Flash Optimized Fabric operations */ 8159 if (phba->cfg_fof) 8160 lpfc_fof_queue_create(phba); 8161 return 0; 8162 8163 out_error: 8164 lpfc_sli4_queue_destroy(phba); 8165 return -ENOMEM; 8166 } 8167 8168 static inline void 8169 __lpfc_sli4_release_queue(struct lpfc_queue **qp) 8170 { 8171 if (*qp != NULL) { 8172 lpfc_sli4_queue_free(*qp); 8173 *qp = NULL; 8174 } 8175 } 8176 8177 static inline void 8178 lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max) 8179 { 8180 int idx; 8181 8182 if (*qs == NULL) 8183 return; 8184 8185 for (idx = 0; idx < max; idx++) 8186 __lpfc_sli4_release_queue(&(*qs)[idx]); 8187 8188 kfree(*qs); 8189 *qs = NULL; 8190 } 8191 8192 static inline void 8193 lpfc_sli4_release_queue_map(uint16_t **qmap) 8194 { 8195 if (*qmap != NULL) { 8196 kfree(*qmap); 8197 *qmap = NULL; 8198 } 8199 } 8200 8201 /** 8202 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues 8203 * @phba: pointer to lpfc hba data structure. 8204 * 8205 * This routine is invoked to release all the SLI4 queues with the FCoE HBA 8206 * operation. 8207 * 8208 * Return codes 8209 * 0 - successful 8210 * -ENOMEM - No available memory 8211 * -EIO - The mailbox failed to complete successfully. 8212 **/ 8213 void 8214 lpfc_sli4_queue_destroy(struct lpfc_hba *phba) 8215 { 8216 if (phba->cfg_fof) 8217 lpfc_fof_queue_destroy(phba); 8218 8219 /* Release HBA eqs */ 8220 lpfc_sli4_release_queues(&phba->sli4_hba.hba_eq, phba->io_channel_irqs); 8221 8222 /* Release FCP cqs */ 8223 lpfc_sli4_release_queues(&phba->sli4_hba.fcp_cq, 8224 phba->cfg_fcp_io_channel); 8225 8226 /* Release FCP wqs */ 8227 lpfc_sli4_release_queues(&phba->sli4_hba.fcp_wq, 8228 phba->cfg_fcp_io_channel); 8229 8230 /* Release FCP CQ mapping array */ 8231 lpfc_sli4_release_queue_map(&phba->sli4_hba.fcp_cq_map); 8232 8233 /* Release NVME cqs */ 8234 lpfc_sli4_release_queues(&phba->sli4_hba.nvme_cq, 8235 phba->cfg_nvme_io_channel); 8236 8237 /* Release NVME wqs */ 8238 lpfc_sli4_release_queues(&phba->sli4_hba.nvme_wq, 8239 phba->cfg_nvme_io_channel); 8240 8241 /* Release NVME CQ mapping array */ 8242 lpfc_sli4_release_queue_map(&phba->sli4_hba.nvme_cq_map); 8243 8244 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset, 8245 phba->cfg_nvmet_mrq); 8246 8247 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_hdr, 8248 phba->cfg_nvmet_mrq); 8249 lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_data, 8250 phba->cfg_nvmet_mrq); 8251 8252 /* Release mailbox command work queue */ 8253 __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_wq); 8254 8255 /* Release ELS work queue */ 8256 __lpfc_sli4_release_queue(&phba->sli4_hba.els_wq); 8257 8258 /* Release ELS work queue */ 8259 __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_wq); 8260 8261 /* Release unsolicited receive queue */ 8262 __lpfc_sli4_release_queue(&phba->sli4_hba.hdr_rq); 8263 __lpfc_sli4_release_queue(&phba->sli4_hba.dat_rq); 8264 8265 /* Release ELS complete queue */ 8266 __lpfc_sli4_release_queue(&phba->sli4_hba.els_cq); 8267 8268 /* Release NVME LS complete queue */ 8269 __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_cq); 8270 8271 /* Release mailbox command complete queue */ 8272 __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_cq); 8273 8274 /* Everything on this list has been freed */ 8275 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); 8276 } 8277 8278 int 8279 lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, 8280 struct lpfc_queue *drq, int count) 8281 { 8282 int rc, i; 8283 struct lpfc_rqe hrqe; 8284 struct lpfc_rqe drqe; 8285 struct lpfc_rqb *rqbp; 8286 struct rqb_dmabuf *rqb_buffer; 8287 LIST_HEAD(rqb_buf_list); 8288 8289 rqbp = hrq->rqbp; 8290 for (i = 0; i < count; i++) { 8291 rqb_buffer = (rqbp->rqb_alloc_buffer)(phba); 8292 if (!rqb_buffer) 8293 break; 8294 rqb_buffer->hrq = hrq; 8295 rqb_buffer->drq = drq; 8296 list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); 8297 } 8298 while (!list_empty(&rqb_buf_list)) { 8299 list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, 8300 hbuf.list); 8301 8302 hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); 8303 hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); 8304 drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); 8305 drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); 8306 rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); 8307 if (rc < 0) { 8308 (rqbp->rqb_free_buffer)(phba, rqb_buffer); 8309 } else { 8310 list_add_tail(&rqb_buffer->hbuf.list, 8311 &rqbp->rqb_buffer_list); 8312 rqbp->buffer_count++; 8313 } 8314 } 8315 return 1; 8316 } 8317 8318 int 8319 lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq) 8320 { 8321 struct lpfc_rqb *rqbp; 8322 struct lpfc_dmabuf *h_buf; 8323 struct rqb_dmabuf *rqb_buffer; 8324 8325 rqbp = rq->rqbp; 8326 while (!list_empty(&rqbp->rqb_buffer_list)) { 8327 list_remove_head(&rqbp->rqb_buffer_list, h_buf, 8328 struct lpfc_dmabuf, list); 8329 8330 rqb_buffer = container_of(h_buf, struct rqb_dmabuf, hbuf); 8331 (rqbp->rqb_free_buffer)(phba, rqb_buffer); 8332 rqbp->buffer_count--; 8333 } 8334 return 1; 8335 } 8336 8337 static int 8338 lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, 8339 struct lpfc_queue *cq, struct lpfc_queue *wq, uint16_t *cq_map, 8340 int qidx, uint32_t qtype) 8341 { 8342 struct lpfc_sli_ring *pring; 8343 int rc; 8344 8345 if (!eq || !cq || !wq) { 8346 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8347 "6085 Fast-path %s (%d) not allocated\n", 8348 ((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx); 8349 return -ENOMEM; 8350 } 8351 8352 /* create the Cq first */ 8353 rc = lpfc_cq_create(phba, cq, eq, 8354 (qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype); 8355 if (rc) { 8356 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8357 "6086 Failed setup of CQ (%d), rc = 0x%x\n", 8358 qidx, (uint32_t)rc); 8359 return rc; 8360 } 8361 8362 if (qtype != LPFC_MBOX) { 8363 /* Setup nvme_cq_map for fast lookup */ 8364 if (cq_map) 8365 *cq_map = cq->queue_id; 8366 8367 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8368 "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n", 8369 qidx, cq->queue_id, qidx, eq->queue_id); 8370 8371 /* create the wq */ 8372 rc = lpfc_wq_create(phba, wq, cq, qtype); 8373 if (rc) { 8374 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8375 "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n", 8376 qidx, (uint32_t)rc); 8377 /* no need to tear down cq - caller will do so */ 8378 return rc; 8379 } 8380 8381 /* Bind this CQ/WQ to the NVME ring */ 8382 pring = wq->pring; 8383 pring->sli.sli4.wqp = (void *)wq; 8384 cq->pring = pring; 8385 8386 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8387 "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n", 8388 qidx, wq->queue_id, wq->assoc_qid, qidx, cq->queue_id); 8389 } else { 8390 rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX); 8391 if (rc) { 8392 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8393 "0539 Failed setup of slow-path MQ: " 8394 "rc = 0x%x\n", rc); 8395 /* no need to tear down cq - caller will do so */ 8396 return rc; 8397 } 8398 8399 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8400 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", 8401 phba->sli4_hba.mbx_wq->queue_id, 8402 phba->sli4_hba.mbx_cq->queue_id); 8403 } 8404 8405 return 0; 8406 } 8407 8408 /** 8409 * lpfc_sli4_queue_setup - Set up all the SLI4 queues 8410 * @phba: pointer to lpfc hba data structure. 8411 * 8412 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA 8413 * operation. 8414 * 8415 * Return codes 8416 * 0 - successful 8417 * -ENOMEM - No available memory 8418 * -EIO - The mailbox failed to complete successfully. 8419 **/ 8420 int 8421 lpfc_sli4_queue_setup(struct lpfc_hba *phba) 8422 { 8423 uint32_t shdr_status, shdr_add_status; 8424 union lpfc_sli4_cfg_shdr *shdr; 8425 LPFC_MBOXQ_t *mboxq; 8426 int qidx; 8427 uint32_t length, io_channel; 8428 int rc = -ENOMEM; 8429 8430 /* Check for dual-ULP support */ 8431 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 8432 if (!mboxq) { 8433 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8434 "3249 Unable to allocate memory for " 8435 "QUERY_FW_CFG mailbox command\n"); 8436 return -ENOMEM; 8437 } 8438 length = (sizeof(struct lpfc_mbx_query_fw_config) - 8439 sizeof(struct lpfc_sli4_cfg_mhdr)); 8440 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, 8441 LPFC_MBOX_OPCODE_QUERY_FW_CFG, 8442 length, LPFC_SLI4_MBX_EMBED); 8443 8444 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 8445 8446 shdr = (union lpfc_sli4_cfg_shdr *) 8447 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; 8448 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); 8449 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); 8450 if (shdr_status || shdr_add_status || rc) { 8451 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8452 "3250 QUERY_FW_CFG mailbox failed with status " 8453 "x%x add_status x%x, mbx status x%x\n", 8454 shdr_status, shdr_add_status, rc); 8455 if (rc != MBX_TIMEOUT) 8456 mempool_free(mboxq, phba->mbox_mem_pool); 8457 rc = -ENXIO; 8458 goto out_error; 8459 } 8460 8461 phba->sli4_hba.fw_func_mode = 8462 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; 8463 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; 8464 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; 8465 phba->sli4_hba.physical_port = 8466 mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port; 8467 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8468 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " 8469 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, 8470 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); 8471 8472 if (rc != MBX_TIMEOUT) 8473 mempool_free(mboxq, phba->mbox_mem_pool); 8474 8475 /* 8476 * Set up HBA Event Queues (EQs) 8477 */ 8478 io_channel = phba->io_channel_irqs; 8479 8480 /* Set up HBA event queue */ 8481 if (io_channel && !phba->sli4_hba.hba_eq) { 8482 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8483 "3147 Fast-path EQs not allocated\n"); 8484 rc = -ENOMEM; 8485 goto out_error; 8486 } 8487 for (qidx = 0; qidx < io_channel; qidx++) { 8488 if (!phba->sli4_hba.hba_eq[qidx]) { 8489 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8490 "0522 Fast-path EQ (%d) not " 8491 "allocated\n", qidx); 8492 rc = -ENOMEM; 8493 goto out_destroy; 8494 } 8495 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[qidx], 8496 phba->cfg_fcp_imax); 8497 if (rc) { 8498 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8499 "0523 Failed setup of fast-path EQ " 8500 "(%d), rc = 0x%x\n", qidx, 8501 (uint32_t)rc); 8502 goto out_destroy; 8503 } 8504 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8505 "2584 HBA EQ setup: queue[%d]-id=%d\n", 8506 qidx, phba->sli4_hba.hba_eq[qidx]->queue_id); 8507 } 8508 8509 if (phba->cfg_nvme_io_channel) { 8510 if (!phba->sli4_hba.nvme_cq || !phba->sli4_hba.nvme_wq) { 8511 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8512 "6084 Fast-path NVME %s array not allocated\n", 8513 (phba->sli4_hba.nvme_cq) ? "CQ" : "WQ"); 8514 rc = -ENOMEM; 8515 goto out_destroy; 8516 } 8517 8518 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { 8519 rc = lpfc_create_wq_cq(phba, 8520 phba->sli4_hba.hba_eq[ 8521 qidx % io_channel], 8522 phba->sli4_hba.nvme_cq[qidx], 8523 phba->sli4_hba.nvme_wq[qidx], 8524 &phba->sli4_hba.nvme_cq_map[qidx], 8525 qidx, LPFC_NVME); 8526 if (rc) { 8527 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8528 "6123 Failed to setup fastpath " 8529 "NVME WQ/CQ (%d), rc = 0x%x\n", 8530 qidx, (uint32_t)rc); 8531 goto out_destroy; 8532 } 8533 } 8534 } 8535 8536 if (phba->cfg_fcp_io_channel) { 8537 /* Set up fast-path FCP Response Complete Queue */ 8538 if (!phba->sli4_hba.fcp_cq || !phba->sli4_hba.fcp_wq) { 8539 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8540 "3148 Fast-path FCP %s array not allocated\n", 8541 phba->sli4_hba.fcp_cq ? "WQ" : "CQ"); 8542 rc = -ENOMEM; 8543 goto out_destroy; 8544 } 8545 8546 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { 8547 rc = lpfc_create_wq_cq(phba, 8548 phba->sli4_hba.hba_eq[ 8549 qidx % io_channel], 8550 phba->sli4_hba.fcp_cq[qidx], 8551 phba->sli4_hba.fcp_wq[qidx], 8552 &phba->sli4_hba.fcp_cq_map[qidx], 8553 qidx, LPFC_FCP); 8554 if (rc) { 8555 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8556 "0535 Failed to setup fastpath " 8557 "FCP WQ/CQ (%d), rc = 0x%x\n", 8558 qidx, (uint32_t)rc); 8559 goto out_destroy; 8560 } 8561 } 8562 } 8563 8564 /* 8565 * Set up Slow Path Complete Queues (CQs) 8566 */ 8567 8568 /* Set up slow-path MBOX CQ/MQ */ 8569 8570 if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) { 8571 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8572 "0528 %s not allocated\n", 8573 phba->sli4_hba.mbx_cq ? 8574 "Mailbox WQ" : "Mailbox CQ"); 8575 rc = -ENOMEM; 8576 goto out_destroy; 8577 } 8578 8579 rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], 8580 phba->sli4_hba.mbx_cq, 8581 phba->sli4_hba.mbx_wq, 8582 NULL, 0, LPFC_MBOX); 8583 if (rc) { 8584 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8585 "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n", 8586 (uint32_t)rc); 8587 goto out_destroy; 8588 } 8589 if (phba->nvmet_support) { 8590 if (!phba->sli4_hba.nvmet_cqset) { 8591 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8592 "3165 Fast-path NVME CQ Set " 8593 "array not allocated\n"); 8594 rc = -ENOMEM; 8595 goto out_destroy; 8596 } 8597 if (phba->cfg_nvmet_mrq > 1) { 8598 rc = lpfc_cq_create_set(phba, 8599 phba->sli4_hba.nvmet_cqset, 8600 phba->sli4_hba.hba_eq, 8601 LPFC_WCQ, LPFC_NVMET); 8602 if (rc) { 8603 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8604 "3164 Failed setup of NVME CQ " 8605 "Set, rc = 0x%x\n", 8606 (uint32_t)rc); 8607 goto out_destroy; 8608 } 8609 } else { 8610 /* Set up NVMET Receive Complete Queue */ 8611 rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0], 8612 phba->sli4_hba.hba_eq[0], 8613 LPFC_WCQ, LPFC_NVMET); 8614 if (rc) { 8615 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8616 "6089 Failed setup NVMET CQ: " 8617 "rc = 0x%x\n", (uint32_t)rc); 8618 goto out_destroy; 8619 } 8620 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8621 "6090 NVMET CQ setup: cq-id=%d, " 8622 "parent eq-id=%d\n", 8623 phba->sli4_hba.nvmet_cqset[0]->queue_id, 8624 phba->sli4_hba.hba_eq[0]->queue_id); 8625 } 8626 } 8627 8628 /* Set up slow-path ELS WQ/CQ */ 8629 if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) { 8630 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8631 "0530 ELS %s not allocated\n", 8632 phba->sli4_hba.els_cq ? "WQ" : "CQ"); 8633 rc = -ENOMEM; 8634 goto out_destroy; 8635 } 8636 rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], 8637 phba->sli4_hba.els_cq, 8638 phba->sli4_hba.els_wq, 8639 NULL, 0, LPFC_ELS); 8640 if (rc) { 8641 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8642 "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n", 8643 (uint32_t)rc); 8644 goto out_destroy; 8645 } 8646 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8647 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", 8648 phba->sli4_hba.els_wq->queue_id, 8649 phba->sli4_hba.els_cq->queue_id); 8650 8651 if (phba->cfg_nvme_io_channel) { 8652 /* Set up NVME LS Complete Queue */ 8653 if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) { 8654 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8655 "6091 LS %s not allocated\n", 8656 phba->sli4_hba.nvmels_cq ? "WQ" : "CQ"); 8657 rc = -ENOMEM; 8658 goto out_destroy; 8659 } 8660 rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], 8661 phba->sli4_hba.nvmels_cq, 8662 phba->sli4_hba.nvmels_wq, 8663 NULL, 0, LPFC_NVME_LS); 8664 if (rc) { 8665 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8666 "0529 Failed setup of NVVME LS WQ/CQ: " 8667 "rc = 0x%x\n", (uint32_t)rc); 8668 goto out_destroy; 8669 } 8670 8671 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8672 "6096 ELS WQ setup: wq-id=%d, " 8673 "parent cq-id=%d\n", 8674 phba->sli4_hba.nvmels_wq->queue_id, 8675 phba->sli4_hba.nvmels_cq->queue_id); 8676 } 8677 8678 /* 8679 * Create NVMET Receive Queue (RQ) 8680 */ 8681 if (phba->nvmet_support) { 8682 if ((!phba->sli4_hba.nvmet_cqset) || 8683 (!phba->sli4_hba.nvmet_mrq_hdr) || 8684 (!phba->sli4_hba.nvmet_mrq_data)) { 8685 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8686 "6130 MRQ CQ Queues not " 8687 "allocated\n"); 8688 rc = -ENOMEM; 8689 goto out_destroy; 8690 } 8691 if (phba->cfg_nvmet_mrq > 1) { 8692 rc = lpfc_mrq_create(phba, 8693 phba->sli4_hba.nvmet_mrq_hdr, 8694 phba->sli4_hba.nvmet_mrq_data, 8695 phba->sli4_hba.nvmet_cqset, 8696 LPFC_NVMET); 8697 if (rc) { 8698 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8699 "6098 Failed setup of NVMET " 8700 "MRQ: rc = 0x%x\n", 8701 (uint32_t)rc); 8702 goto out_destroy; 8703 } 8704 8705 } else { 8706 rc = lpfc_rq_create(phba, 8707 phba->sli4_hba.nvmet_mrq_hdr[0], 8708 phba->sli4_hba.nvmet_mrq_data[0], 8709 phba->sli4_hba.nvmet_cqset[0], 8710 LPFC_NVMET); 8711 if (rc) { 8712 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8713 "6057 Failed setup of NVMET " 8714 "Receive Queue: rc = 0x%x\n", 8715 (uint32_t)rc); 8716 goto out_destroy; 8717 } 8718 8719 lpfc_printf_log( 8720 phba, KERN_INFO, LOG_INIT, 8721 "6099 NVMET RQ setup: hdr-rq-id=%d, " 8722 "dat-rq-id=%d parent cq-id=%d\n", 8723 phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id, 8724 phba->sli4_hba.nvmet_mrq_data[0]->queue_id, 8725 phba->sli4_hba.nvmet_cqset[0]->queue_id); 8726 8727 } 8728 } 8729 8730 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { 8731 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8732 "0540 Receive Queue not allocated\n"); 8733 rc = -ENOMEM; 8734 goto out_destroy; 8735 } 8736 8737 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ); 8738 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ); 8739 8740 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, 8741 phba->sli4_hba.els_cq, LPFC_USOL); 8742 if (rc) { 8743 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8744 "0541 Failed setup of Receive Queue: " 8745 "rc = 0x%x\n", (uint32_t)rc); 8746 goto out_destroy; 8747 } 8748 8749 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 8750 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " 8751 "parent cq-id=%d\n", 8752 phba->sli4_hba.hdr_rq->queue_id, 8753 phba->sli4_hba.dat_rq->queue_id, 8754 phba->sli4_hba.els_cq->queue_id); 8755 8756 if (phba->cfg_fof) { 8757 rc = lpfc_fof_queue_setup(phba); 8758 if (rc) { 8759 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 8760 "0549 Failed setup of FOF Queues: " 8761 "rc = 0x%x\n", rc); 8762 goto out_destroy; 8763 } 8764 } 8765 8766 for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) 8767 lpfc_modify_hba_eq_delay(phba, qidx); 8768 8769 return 0; 8770 8771 out_destroy: 8772 lpfc_sli4_queue_unset(phba); 8773 out_error: 8774 return rc; 8775 } 8776 8777 /** 8778 * lpfc_sli4_queue_unset - Unset all the SLI4 queues 8779 * @phba: pointer to lpfc hba data structure. 8780 * 8781 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA 8782 * operation. 8783 * 8784 * Return codes 8785 * 0 - successful 8786 * -ENOMEM - No available memory 8787 * -EIO - The mailbox failed to complete successfully. 8788 **/ 8789 void 8790 lpfc_sli4_queue_unset(struct lpfc_hba *phba) 8791 { 8792 int qidx; 8793 8794 /* Unset the queues created for Flash Optimized Fabric operations */ 8795 if (phba->cfg_fof) 8796 lpfc_fof_queue_destroy(phba); 8797 8798 /* Unset mailbox command work queue */ 8799 if (phba->sli4_hba.mbx_wq) 8800 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); 8801 8802 /* Unset NVME LS work queue */ 8803 if (phba->sli4_hba.nvmels_wq) 8804 lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq); 8805 8806 /* Unset ELS work queue */ 8807 if (phba->sli4_hba.els_cq) 8808 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); 8809 8810 /* Unset unsolicited receive queue */ 8811 if (phba->sli4_hba.hdr_rq) 8812 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, 8813 phba->sli4_hba.dat_rq); 8814 8815 /* Unset FCP work queue */ 8816 if (phba->sli4_hba.fcp_wq) 8817 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) 8818 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[qidx]); 8819 8820 /* Unset NVME work queue */ 8821 if (phba->sli4_hba.nvme_wq) { 8822 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) 8823 lpfc_wq_destroy(phba, phba->sli4_hba.nvme_wq[qidx]); 8824 } 8825 8826 /* Unset mailbox command complete queue */ 8827 if (phba->sli4_hba.mbx_cq) 8828 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); 8829 8830 /* Unset ELS complete queue */ 8831 if (phba->sli4_hba.els_cq) 8832 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); 8833 8834 /* Unset NVME LS complete queue */ 8835 if (phba->sli4_hba.nvmels_cq) 8836 lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq); 8837 8838 /* Unset NVME response complete queue */ 8839 if (phba->sli4_hba.nvme_cq) 8840 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) 8841 lpfc_cq_destroy(phba, phba->sli4_hba.nvme_cq[qidx]); 8842 8843 /* Unset NVMET MRQ queue */ 8844 if (phba->sli4_hba.nvmet_mrq_hdr) { 8845 for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) 8846 lpfc_rq_destroy(phba, 8847 phba->sli4_hba.nvmet_mrq_hdr[qidx], 8848 phba->sli4_hba.nvmet_mrq_data[qidx]); 8849 } 8850 8851 /* Unset NVMET CQ Set complete queue */ 8852 if (phba->sli4_hba.nvmet_cqset) { 8853 for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) 8854 lpfc_cq_destroy(phba, 8855 phba->sli4_hba.nvmet_cqset[qidx]); 8856 } 8857 8858 /* Unset FCP response complete queue */ 8859 if (phba->sli4_hba.fcp_cq) 8860 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) 8861 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[qidx]); 8862 8863 /* Unset fast-path event queue */ 8864 if (phba->sli4_hba.hba_eq) 8865 for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) 8866 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[qidx]); 8867 } 8868 8869 /** 8870 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool 8871 * @phba: pointer to lpfc hba data structure. 8872 * 8873 * This routine is invoked to allocate and set up a pool of completion queue 8874 * events. The body of the completion queue event is a completion queue entry 8875 * CQE. For now, this pool is used for the interrupt service routine to queue 8876 * the following HBA completion queue events for the worker thread to process: 8877 * - Mailbox asynchronous events 8878 * - Receive queue completion unsolicited events 8879 * Later, this can be used for all the slow-path events. 8880 * 8881 * Return codes 8882 * 0 - successful 8883 * -ENOMEM - No available memory 8884 **/ 8885 static int 8886 lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) 8887 { 8888 struct lpfc_cq_event *cq_event; 8889 int i; 8890 8891 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { 8892 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); 8893 if (!cq_event) 8894 goto out_pool_create_fail; 8895 list_add_tail(&cq_event->list, 8896 &phba->sli4_hba.sp_cqe_event_pool); 8897 } 8898 return 0; 8899 8900 out_pool_create_fail: 8901 lpfc_sli4_cq_event_pool_destroy(phba); 8902 return -ENOMEM; 8903 } 8904 8905 /** 8906 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool 8907 * @phba: pointer to lpfc hba data structure. 8908 * 8909 * This routine is invoked to free the pool of completion queue events at 8910 * driver unload time. Note that, it is the responsibility of the driver 8911 * cleanup routine to free all the outstanding completion-queue events 8912 * allocated from this pool back into the pool before invoking this routine 8913 * to destroy the pool. 8914 **/ 8915 static void 8916 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) 8917 { 8918 struct lpfc_cq_event *cq_event, *next_cq_event; 8919 8920 list_for_each_entry_safe(cq_event, next_cq_event, 8921 &phba->sli4_hba.sp_cqe_event_pool, list) { 8922 list_del(&cq_event->list); 8923 kfree(cq_event); 8924 } 8925 } 8926 8927 /** 8928 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool 8929 * @phba: pointer to lpfc hba data structure. 8930 * 8931 * This routine is the lock free version of the API invoked to allocate a 8932 * completion-queue event from the free pool. 8933 * 8934 * Return: Pointer to the newly allocated completion-queue event if successful 8935 * NULL otherwise. 8936 **/ 8937 struct lpfc_cq_event * 8938 __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) 8939 { 8940 struct lpfc_cq_event *cq_event = NULL; 8941 8942 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, 8943 struct lpfc_cq_event, list); 8944 return cq_event; 8945 } 8946 8947 /** 8948 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool 8949 * @phba: pointer to lpfc hba data structure. 8950 * 8951 * This routine is the lock version of the API invoked to allocate a 8952 * completion-queue event from the free pool. 8953 * 8954 * Return: Pointer to the newly allocated completion-queue event if successful 8955 * NULL otherwise. 8956 **/ 8957 struct lpfc_cq_event * 8958 lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) 8959 { 8960 struct lpfc_cq_event *cq_event; 8961 unsigned long iflags; 8962 8963 spin_lock_irqsave(&phba->hbalock, iflags); 8964 cq_event = __lpfc_sli4_cq_event_alloc(phba); 8965 spin_unlock_irqrestore(&phba->hbalock, iflags); 8966 return cq_event; 8967 } 8968 8969 /** 8970 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool 8971 * @phba: pointer to lpfc hba data structure. 8972 * @cq_event: pointer to the completion queue event to be freed. 8973 * 8974 * This routine is the lock free version of the API invoked to release a 8975 * completion-queue event back into the free pool. 8976 **/ 8977 void 8978 __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, 8979 struct lpfc_cq_event *cq_event) 8980 { 8981 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); 8982 } 8983 8984 /** 8985 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool 8986 * @phba: pointer to lpfc hba data structure. 8987 * @cq_event: pointer to the completion queue event to be freed. 8988 * 8989 * This routine is the lock version of the API invoked to release a 8990 * completion-queue event back into the free pool. 8991 **/ 8992 void 8993 lpfc_sli4_cq_event_release(struct lpfc_hba *phba, 8994 struct lpfc_cq_event *cq_event) 8995 { 8996 unsigned long iflags; 8997 spin_lock_irqsave(&phba->hbalock, iflags); 8998 __lpfc_sli4_cq_event_release(phba, cq_event); 8999 spin_unlock_irqrestore(&phba->hbalock, iflags); 9000 } 9001 9002 /** 9003 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool 9004 * @phba: pointer to lpfc hba data structure. 9005 * 9006 * This routine is to free all the pending completion-queue events to the 9007 * back into the free pool for device reset. 9008 **/ 9009 static void 9010 lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) 9011 { 9012 LIST_HEAD(cqelist); 9013 struct lpfc_cq_event *cqe; 9014 unsigned long iflags; 9015 9016 /* Retrieve all the pending WCQEs from pending WCQE lists */ 9017 spin_lock_irqsave(&phba->hbalock, iflags); 9018 /* Pending FCP XRI abort events */ 9019 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, 9020 &cqelist); 9021 /* Pending ELS XRI abort events */ 9022 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, 9023 &cqelist); 9024 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 9025 /* Pending NVME XRI abort events */ 9026 list_splice_init(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, 9027 &cqelist); 9028 } 9029 /* Pending asynnc events */ 9030 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, 9031 &cqelist); 9032 spin_unlock_irqrestore(&phba->hbalock, iflags); 9033 9034 while (!list_empty(&cqelist)) { 9035 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); 9036 lpfc_sli4_cq_event_release(phba, cqe); 9037 } 9038 } 9039 9040 /** 9041 * lpfc_pci_function_reset - Reset pci function. 9042 * @phba: pointer to lpfc hba data structure. 9043 * 9044 * This routine is invoked to request a PCI function reset. It will destroys 9045 * all resources assigned to the PCI function which originates this request. 9046 * 9047 * Return codes 9048 * 0 - successful 9049 * -ENOMEM - No available memory 9050 * -EIO - The mailbox failed to complete successfully. 9051 **/ 9052 int 9053 lpfc_pci_function_reset(struct lpfc_hba *phba) 9054 { 9055 LPFC_MBOXQ_t *mboxq; 9056 uint32_t rc = 0, if_type; 9057 uint32_t shdr_status, shdr_add_status; 9058 uint32_t rdy_chk; 9059 uint32_t port_reset = 0; 9060 union lpfc_sli4_cfg_shdr *shdr; 9061 struct lpfc_register reg_data; 9062 uint16_t devid; 9063 9064 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 9065 switch (if_type) { 9066 case LPFC_SLI_INTF_IF_TYPE_0: 9067 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, 9068 GFP_KERNEL); 9069 if (!mboxq) { 9070 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9071 "0494 Unable to allocate memory for " 9072 "issuing SLI_FUNCTION_RESET mailbox " 9073 "command\n"); 9074 return -ENOMEM; 9075 } 9076 9077 /* Setup PCI function reset mailbox-ioctl command */ 9078 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, 9079 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, 9080 LPFC_SLI4_MBX_EMBED); 9081 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 9082 shdr = (union lpfc_sli4_cfg_shdr *) 9083 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; 9084 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); 9085 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, 9086 &shdr->response); 9087 if (rc != MBX_TIMEOUT) 9088 mempool_free(mboxq, phba->mbox_mem_pool); 9089 if (shdr_status || shdr_add_status || rc) { 9090 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9091 "0495 SLI_FUNCTION_RESET mailbox " 9092 "failed with status x%x add_status x%x," 9093 " mbx status x%x\n", 9094 shdr_status, shdr_add_status, rc); 9095 rc = -ENXIO; 9096 } 9097 break; 9098 case LPFC_SLI_INTF_IF_TYPE_2: 9099 wait: 9100 /* 9101 * Poll the Port Status Register and wait for RDY for 9102 * up to 30 seconds. If the port doesn't respond, treat 9103 * it as an error. 9104 */ 9105 for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) { 9106 if (lpfc_readl(phba->sli4_hba.u.if_type2. 9107 STATUSregaddr, ®_data.word0)) { 9108 rc = -ENODEV; 9109 goto out; 9110 } 9111 if (bf_get(lpfc_sliport_status_rdy, ®_data)) 9112 break; 9113 msleep(20); 9114 } 9115 9116 if (!bf_get(lpfc_sliport_status_rdy, ®_data)) { 9117 phba->work_status[0] = readl( 9118 phba->sli4_hba.u.if_type2.ERR1regaddr); 9119 phba->work_status[1] = readl( 9120 phba->sli4_hba.u.if_type2.ERR2regaddr); 9121 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9122 "2890 Port not ready, port status reg " 9123 "0x%x error 1=0x%x, error 2=0x%x\n", 9124 reg_data.word0, 9125 phba->work_status[0], 9126 phba->work_status[1]); 9127 rc = -ENODEV; 9128 goto out; 9129 } 9130 9131 if (!port_reset) { 9132 /* 9133 * Reset the port now 9134 */ 9135 reg_data.word0 = 0; 9136 bf_set(lpfc_sliport_ctrl_end, ®_data, 9137 LPFC_SLIPORT_LITTLE_ENDIAN); 9138 bf_set(lpfc_sliport_ctrl_ip, ®_data, 9139 LPFC_SLIPORT_INIT_PORT); 9140 writel(reg_data.word0, phba->sli4_hba.u.if_type2. 9141 CTRLregaddr); 9142 /* flush */ 9143 pci_read_config_word(phba->pcidev, 9144 PCI_DEVICE_ID, &devid); 9145 9146 port_reset = 1; 9147 msleep(20); 9148 goto wait; 9149 } else if (bf_get(lpfc_sliport_status_rn, ®_data)) { 9150 rc = -ENODEV; 9151 goto out; 9152 } 9153 break; 9154 9155 case LPFC_SLI_INTF_IF_TYPE_1: 9156 default: 9157 break; 9158 } 9159 9160 out: 9161 /* Catch the not-ready port failure after a port reset. */ 9162 if (rc) { 9163 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9164 "3317 HBA not functional: IP Reset Failed " 9165 "try: echo fw_reset > board_mode\n"); 9166 rc = -ENODEV; 9167 } 9168 9169 return rc; 9170 } 9171 9172 /** 9173 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. 9174 * @phba: pointer to lpfc hba data structure. 9175 * 9176 * This routine is invoked to set up the PCI device memory space for device 9177 * with SLI-4 interface spec. 9178 * 9179 * Return codes 9180 * 0 - successful 9181 * other values - error 9182 **/ 9183 static int 9184 lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) 9185 { 9186 struct pci_dev *pdev; 9187 unsigned long bar0map_len, bar1map_len, bar2map_len; 9188 int error = -ENODEV; 9189 uint32_t if_type; 9190 9191 /* Obtain PCI device reference */ 9192 if (!phba->pcidev) 9193 return error; 9194 else 9195 pdev = phba->pcidev; 9196 9197 /* Set the device DMA mask size */ 9198 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 9199 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { 9200 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 9201 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { 9202 return error; 9203 } 9204 } 9205 9206 /* 9207 * The BARs and register set definitions and offset locations are 9208 * dependent on the if_type. 9209 */ 9210 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, 9211 &phba->sli4_hba.sli_intf.word0)) { 9212 return error; 9213 } 9214 9215 /* There is no SLI3 failback for SLI4 devices. */ 9216 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != 9217 LPFC_SLI_INTF_VALID) { 9218 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9219 "2894 SLI_INTF reg contents invalid " 9220 "sli_intf reg 0x%x\n", 9221 phba->sli4_hba.sli_intf.word0); 9222 return error; 9223 } 9224 9225 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 9226 /* 9227 * Get the bus address of SLI4 device Bar regions and the 9228 * number of bytes required by each mapping. The mapping of the 9229 * particular PCI BARs regions is dependent on the type of 9230 * SLI4 device. 9231 */ 9232 if (pci_resource_start(pdev, PCI_64BIT_BAR0)) { 9233 phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0); 9234 bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0); 9235 9236 /* 9237 * Map SLI4 PCI Config Space Register base to a kernel virtual 9238 * addr 9239 */ 9240 phba->sli4_hba.conf_regs_memmap_p = 9241 ioremap(phba->pci_bar0_map, bar0map_len); 9242 if (!phba->sli4_hba.conf_regs_memmap_p) { 9243 dev_printk(KERN_ERR, &pdev->dev, 9244 "ioremap failed for SLI4 PCI config " 9245 "registers.\n"); 9246 goto out; 9247 } 9248 phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p; 9249 /* Set up BAR0 PCI config space register memory map */ 9250 lpfc_sli4_bar0_register_memmap(phba, if_type); 9251 } else { 9252 phba->pci_bar0_map = pci_resource_start(pdev, 1); 9253 bar0map_len = pci_resource_len(pdev, 1); 9254 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { 9255 dev_printk(KERN_ERR, &pdev->dev, 9256 "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); 9257 goto out; 9258 } 9259 phba->sli4_hba.conf_regs_memmap_p = 9260 ioremap(phba->pci_bar0_map, bar0map_len); 9261 if (!phba->sli4_hba.conf_regs_memmap_p) { 9262 dev_printk(KERN_ERR, &pdev->dev, 9263 "ioremap failed for SLI4 PCI config " 9264 "registers.\n"); 9265 goto out; 9266 } 9267 lpfc_sli4_bar0_register_memmap(phba, if_type); 9268 } 9269 9270 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && 9271 (pci_resource_start(pdev, PCI_64BIT_BAR2))) { 9272 /* 9273 * Map SLI4 if type 0 HBA Control Register base to a kernel 9274 * virtual address and setup the registers. 9275 */ 9276 phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2); 9277 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2); 9278 phba->sli4_hba.ctrl_regs_memmap_p = 9279 ioremap(phba->pci_bar1_map, bar1map_len); 9280 if (!phba->sli4_hba.ctrl_regs_memmap_p) { 9281 dev_printk(KERN_ERR, &pdev->dev, 9282 "ioremap failed for SLI4 HBA control registers.\n"); 9283 goto out_iounmap_conf; 9284 } 9285 phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p; 9286 lpfc_sli4_bar1_register_memmap(phba); 9287 } 9288 9289 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && 9290 (pci_resource_start(pdev, PCI_64BIT_BAR4))) { 9291 /* 9292 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel 9293 * virtual address and setup the registers. 9294 */ 9295 phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4); 9296 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4); 9297 phba->sli4_hba.drbl_regs_memmap_p = 9298 ioremap(phba->pci_bar2_map, bar2map_len); 9299 if (!phba->sli4_hba.drbl_regs_memmap_p) { 9300 dev_printk(KERN_ERR, &pdev->dev, 9301 "ioremap failed for SLI4 HBA doorbell registers.\n"); 9302 goto out_iounmap_ctrl; 9303 } 9304 phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p; 9305 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); 9306 if (error) 9307 goto out_iounmap_all; 9308 } 9309 9310 return 0; 9311 9312 out_iounmap_all: 9313 iounmap(phba->sli4_hba.drbl_regs_memmap_p); 9314 out_iounmap_ctrl: 9315 iounmap(phba->sli4_hba.ctrl_regs_memmap_p); 9316 out_iounmap_conf: 9317 iounmap(phba->sli4_hba.conf_regs_memmap_p); 9318 out: 9319 return error; 9320 } 9321 9322 /** 9323 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. 9324 * @phba: pointer to lpfc hba data structure. 9325 * 9326 * This routine is invoked to unset the PCI device memory space for device 9327 * with SLI-4 interface spec. 9328 **/ 9329 static void 9330 lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) 9331 { 9332 uint32_t if_type; 9333 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); 9334 9335 switch (if_type) { 9336 case LPFC_SLI_INTF_IF_TYPE_0: 9337 iounmap(phba->sli4_hba.drbl_regs_memmap_p); 9338 iounmap(phba->sli4_hba.ctrl_regs_memmap_p); 9339 iounmap(phba->sli4_hba.conf_regs_memmap_p); 9340 break; 9341 case LPFC_SLI_INTF_IF_TYPE_2: 9342 iounmap(phba->sli4_hba.conf_regs_memmap_p); 9343 break; 9344 case LPFC_SLI_INTF_IF_TYPE_1: 9345 default: 9346 dev_printk(KERN_ERR, &phba->pcidev->dev, 9347 "FATAL - unsupported SLI4 interface type - %d\n", 9348 if_type); 9349 break; 9350 } 9351 } 9352 9353 /** 9354 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device 9355 * @phba: pointer to lpfc hba data structure. 9356 * 9357 * This routine is invoked to enable the MSI-X interrupt vectors to device 9358 * with SLI-3 interface specs. 9359 * 9360 * Return codes 9361 * 0 - successful 9362 * other values - error 9363 **/ 9364 static int 9365 lpfc_sli_enable_msix(struct lpfc_hba *phba) 9366 { 9367 int rc; 9368 LPFC_MBOXQ_t *pmb; 9369 9370 /* Set up MSI-X multi-message vectors */ 9371 rc = pci_alloc_irq_vectors(phba->pcidev, 9372 LPFC_MSIX_VECTORS, LPFC_MSIX_VECTORS, PCI_IRQ_MSIX); 9373 if (rc < 0) { 9374 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9375 "0420 PCI enable MSI-X failed (%d)\n", rc); 9376 goto vec_fail_out; 9377 } 9378 9379 /* 9380 * Assign MSI-X vectors to interrupt handlers 9381 */ 9382 9383 /* vector-0 is associated to slow-path handler */ 9384 rc = request_irq(pci_irq_vector(phba->pcidev, 0), 9385 &lpfc_sli_sp_intr_handler, 0, 9386 LPFC_SP_DRIVER_HANDLER_NAME, phba); 9387 if (rc) { 9388 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 9389 "0421 MSI-X slow-path request_irq failed " 9390 "(%d)\n", rc); 9391 goto msi_fail_out; 9392 } 9393 9394 /* vector-1 is associated to fast-path handler */ 9395 rc = request_irq(pci_irq_vector(phba->pcidev, 1), 9396 &lpfc_sli_fp_intr_handler, 0, 9397 LPFC_FP_DRIVER_HANDLER_NAME, phba); 9398 9399 if (rc) { 9400 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 9401 "0429 MSI-X fast-path request_irq failed " 9402 "(%d)\n", rc); 9403 goto irq_fail_out; 9404 } 9405 9406 /* 9407 * Configure HBA MSI-X attention conditions to messages 9408 */ 9409 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 9410 9411 if (!pmb) { 9412 rc = -ENOMEM; 9413 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9414 "0474 Unable to allocate memory for issuing " 9415 "MBOX_CONFIG_MSI command\n"); 9416 goto mem_fail_out; 9417 } 9418 rc = lpfc_config_msi(phba, pmb); 9419 if (rc) 9420 goto mbx_fail_out; 9421 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 9422 if (rc != MBX_SUCCESS) { 9423 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 9424 "0351 Config MSI mailbox command failed, " 9425 "mbxCmd x%x, mbxStatus x%x\n", 9426 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); 9427 goto mbx_fail_out; 9428 } 9429 9430 /* Free memory allocated for mailbox command */ 9431 mempool_free(pmb, phba->mbox_mem_pool); 9432 return rc; 9433 9434 mbx_fail_out: 9435 /* Free memory allocated for mailbox command */ 9436 mempool_free(pmb, phba->mbox_mem_pool); 9437 9438 mem_fail_out: 9439 /* free the irq already requested */ 9440 free_irq(pci_irq_vector(phba->pcidev, 1), phba); 9441 9442 irq_fail_out: 9443 /* free the irq already requested */ 9444 free_irq(pci_irq_vector(phba->pcidev, 0), phba); 9445 9446 msi_fail_out: 9447 /* Unconfigure MSI-X capability structure */ 9448 pci_free_irq_vectors(phba->pcidev); 9449 9450 vec_fail_out: 9451 return rc; 9452 } 9453 9454 /** 9455 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. 9456 * @phba: pointer to lpfc hba data structure. 9457 * 9458 * This routine is invoked to enable the MSI interrupt mode to device with 9459 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to 9460 * enable the MSI vector. The device driver is responsible for calling the 9461 * request_irq() to register MSI vector with a interrupt the handler, which 9462 * is done in this function. 9463 * 9464 * Return codes 9465 * 0 - successful 9466 * other values - error 9467 */ 9468 static int 9469 lpfc_sli_enable_msi(struct lpfc_hba *phba) 9470 { 9471 int rc; 9472 9473 rc = pci_enable_msi(phba->pcidev); 9474 if (!rc) 9475 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9476 "0462 PCI enable MSI mode success.\n"); 9477 else { 9478 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9479 "0471 PCI enable MSI mode failed (%d)\n", rc); 9480 return rc; 9481 } 9482 9483 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, 9484 0, LPFC_DRIVER_NAME, phba); 9485 if (rc) { 9486 pci_disable_msi(phba->pcidev); 9487 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 9488 "0478 MSI request_irq failed (%d)\n", rc); 9489 } 9490 return rc; 9491 } 9492 9493 /** 9494 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. 9495 * @phba: pointer to lpfc hba data structure. 9496 * 9497 * This routine is invoked to enable device interrupt and associate driver's 9498 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface 9499 * spec. Depends on the interrupt mode configured to the driver, the driver 9500 * will try to fallback from the configured interrupt mode to an interrupt 9501 * mode which is supported by the platform, kernel, and device in the order 9502 * of: 9503 * MSI-X -> MSI -> IRQ. 9504 * 9505 * Return codes 9506 * 0 - successful 9507 * other values - error 9508 **/ 9509 static uint32_t 9510 lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) 9511 { 9512 uint32_t intr_mode = LPFC_INTR_ERROR; 9513 int retval; 9514 9515 if (cfg_mode == 2) { 9516 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ 9517 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); 9518 if (!retval) { 9519 /* Now, try to enable MSI-X interrupt mode */ 9520 retval = lpfc_sli_enable_msix(phba); 9521 if (!retval) { 9522 /* Indicate initialization to MSI-X mode */ 9523 phba->intr_type = MSIX; 9524 intr_mode = 2; 9525 } 9526 } 9527 } 9528 9529 /* Fallback to MSI if MSI-X initialization failed */ 9530 if (cfg_mode >= 1 && phba->intr_type == NONE) { 9531 retval = lpfc_sli_enable_msi(phba); 9532 if (!retval) { 9533 /* Indicate initialization to MSI mode */ 9534 phba->intr_type = MSI; 9535 intr_mode = 1; 9536 } 9537 } 9538 9539 /* Fallback to INTx if both MSI-X/MSI initalization failed */ 9540 if (phba->intr_type == NONE) { 9541 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, 9542 IRQF_SHARED, LPFC_DRIVER_NAME, phba); 9543 if (!retval) { 9544 /* Indicate initialization to INTx mode */ 9545 phba->intr_type = INTx; 9546 intr_mode = 0; 9547 } 9548 } 9549 return intr_mode; 9550 } 9551 9552 /** 9553 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. 9554 * @phba: pointer to lpfc hba data structure. 9555 * 9556 * This routine is invoked to disable device interrupt and disassociate the 9557 * driver's interrupt handler(s) from interrupt vector(s) to device with 9558 * SLI-3 interface spec. Depending on the interrupt mode, the driver will 9559 * release the interrupt vector(s) for the message signaled interrupt. 9560 **/ 9561 static void 9562 lpfc_sli_disable_intr(struct lpfc_hba *phba) 9563 { 9564 int nr_irqs, i; 9565 9566 if (phba->intr_type == MSIX) 9567 nr_irqs = LPFC_MSIX_VECTORS; 9568 else 9569 nr_irqs = 1; 9570 9571 for (i = 0; i < nr_irqs; i++) 9572 free_irq(pci_irq_vector(phba->pcidev, i), phba); 9573 pci_free_irq_vectors(phba->pcidev); 9574 9575 /* Reset interrupt management states */ 9576 phba->intr_type = NONE; 9577 phba->sli.slistat.sli_intr = 0; 9578 } 9579 9580 /** 9581 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings 9582 * @phba: pointer to lpfc hba data structure. 9583 * @vectors: number of msix vectors allocated. 9584 * 9585 * The routine will figure out the CPU affinity assignment for every 9586 * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated 9587 * with a pointer to the CPU mask that defines ALL the CPUs this vector 9588 * can be associated with. If the vector can be unquely associated with 9589 * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu. 9590 * In addition, the CPU to IO channel mapping will be calculated 9591 * and the phba->sli4_hba.cpu_map array will reflect this. 9592 */ 9593 static void 9594 lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors) 9595 { 9596 struct lpfc_vector_map_info *cpup; 9597 int index = 0; 9598 int vec = 0; 9599 int cpu; 9600 #ifdef CONFIG_X86 9601 struct cpuinfo_x86 *cpuinfo; 9602 #endif 9603 9604 /* Init cpu_map array */ 9605 memset(phba->sli4_hba.cpu_map, 0xff, 9606 (sizeof(struct lpfc_vector_map_info) * 9607 phba->sli4_hba.num_present_cpu)); 9608 9609 /* Update CPU map with physical id and core id of each CPU */ 9610 cpup = phba->sli4_hba.cpu_map; 9611 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { 9612 #ifdef CONFIG_X86 9613 cpuinfo = &cpu_data(cpu); 9614 cpup->phys_id = cpuinfo->phys_proc_id; 9615 cpup->core_id = cpuinfo->cpu_core_id; 9616 #else 9617 /* No distinction between CPUs for other platforms */ 9618 cpup->phys_id = 0; 9619 cpup->core_id = 0; 9620 #endif 9621 cpup->channel_id = index; /* For now round robin */ 9622 cpup->irq = pci_irq_vector(phba->pcidev, vec); 9623 vec++; 9624 if (vec >= vectors) 9625 vec = 0; 9626 index++; 9627 if (index >= phba->cfg_fcp_io_channel) 9628 index = 0; 9629 cpup++; 9630 } 9631 } 9632 9633 9634 /** 9635 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device 9636 * @phba: pointer to lpfc hba data structure. 9637 * 9638 * This routine is invoked to enable the MSI-X interrupt vectors to device 9639 * with SLI-4 interface spec. 9640 * 9641 * Return codes 9642 * 0 - successful 9643 * other values - error 9644 **/ 9645 static int 9646 lpfc_sli4_enable_msix(struct lpfc_hba *phba) 9647 { 9648 int vectors, rc, index; 9649 9650 /* Set up MSI-X multi-message vectors */ 9651 vectors = phba->io_channel_irqs; 9652 if (phba->cfg_fof) 9653 vectors++; 9654 9655 rc = pci_alloc_irq_vectors(phba->pcidev, 9656 (phba->nvmet_support) ? 1 : 2, 9657 vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); 9658 if (rc < 0) { 9659 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9660 "0484 PCI enable MSI-X failed (%d)\n", rc); 9661 goto vec_fail_out; 9662 } 9663 vectors = rc; 9664 9665 /* Assign MSI-X vectors to interrupt handlers */ 9666 for (index = 0; index < vectors; index++) { 9667 memset(&phba->sli4_hba.handler_name[index], 0, 16); 9668 snprintf((char *)&phba->sli4_hba.handler_name[index], 9669 LPFC_SLI4_HANDLER_NAME_SZ, 9670 LPFC_DRIVER_HANDLER_NAME"%d", index); 9671 9672 phba->sli4_hba.hba_eq_hdl[index].idx = index; 9673 phba->sli4_hba.hba_eq_hdl[index].phba = phba; 9674 atomic_set(&phba->sli4_hba.hba_eq_hdl[index].hba_eq_in_use, 1); 9675 if (phba->cfg_fof && (index == (vectors - 1))) 9676 rc = request_irq(pci_irq_vector(phba->pcidev, index), 9677 &lpfc_sli4_fof_intr_handler, 0, 9678 (char *)&phba->sli4_hba.handler_name[index], 9679 &phba->sli4_hba.hba_eq_hdl[index]); 9680 else 9681 rc = request_irq(pci_irq_vector(phba->pcidev, index), 9682 &lpfc_sli4_hba_intr_handler, 0, 9683 (char *)&phba->sli4_hba.handler_name[index], 9684 &phba->sli4_hba.hba_eq_hdl[index]); 9685 if (rc) { 9686 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 9687 "0486 MSI-X fast-path (%d) " 9688 "request_irq failed (%d)\n", index, rc); 9689 goto cfg_fail_out; 9690 } 9691 } 9692 9693 if (phba->cfg_fof) 9694 vectors--; 9695 9696 if (vectors != phba->io_channel_irqs) { 9697 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9698 "3238 Reducing IO channels to match number of " 9699 "MSI-X vectors, requested %d got %d\n", 9700 phba->io_channel_irqs, vectors); 9701 if (phba->cfg_fcp_io_channel > vectors) 9702 phba->cfg_fcp_io_channel = vectors; 9703 if (phba->cfg_nvme_io_channel > vectors) 9704 phba->cfg_nvme_io_channel = vectors; 9705 if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) 9706 phba->io_channel_irqs = phba->cfg_fcp_io_channel; 9707 else 9708 phba->io_channel_irqs = phba->cfg_nvme_io_channel; 9709 } 9710 lpfc_cpu_affinity_check(phba, vectors); 9711 9712 return rc; 9713 9714 cfg_fail_out: 9715 /* free the irq already requested */ 9716 for (--index; index >= 0; index--) 9717 free_irq(pci_irq_vector(phba->pcidev, index), 9718 &phba->sli4_hba.hba_eq_hdl[index]); 9719 9720 /* Unconfigure MSI-X capability structure */ 9721 pci_free_irq_vectors(phba->pcidev); 9722 9723 vec_fail_out: 9724 return rc; 9725 } 9726 9727 /** 9728 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device 9729 * @phba: pointer to lpfc hba data structure. 9730 * 9731 * This routine is invoked to enable the MSI interrupt mode to device with 9732 * SLI-4 interface spec. The kernel function pci_enable_msi() is called 9733 * to enable the MSI vector. The device driver is responsible for calling 9734 * the request_irq() to register MSI vector with a interrupt the handler, 9735 * which is done in this function. 9736 * 9737 * Return codes 9738 * 0 - successful 9739 * other values - error 9740 **/ 9741 static int 9742 lpfc_sli4_enable_msi(struct lpfc_hba *phba) 9743 { 9744 int rc, index; 9745 9746 rc = pci_enable_msi(phba->pcidev); 9747 if (!rc) 9748 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9749 "0487 PCI enable MSI mode success.\n"); 9750 else { 9751 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 9752 "0488 PCI enable MSI mode failed (%d)\n", rc); 9753 return rc; 9754 } 9755 9756 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, 9757 0, LPFC_DRIVER_NAME, phba); 9758 if (rc) { 9759 pci_disable_msi(phba->pcidev); 9760 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 9761 "0490 MSI request_irq failed (%d)\n", rc); 9762 return rc; 9763 } 9764 9765 for (index = 0; index < phba->io_channel_irqs; index++) { 9766 phba->sli4_hba.hba_eq_hdl[index].idx = index; 9767 phba->sli4_hba.hba_eq_hdl[index].phba = phba; 9768 } 9769 9770 if (phba->cfg_fof) { 9771 phba->sli4_hba.hba_eq_hdl[index].idx = index; 9772 phba->sli4_hba.hba_eq_hdl[index].phba = phba; 9773 } 9774 return 0; 9775 } 9776 9777 /** 9778 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device 9779 * @phba: pointer to lpfc hba data structure. 9780 * 9781 * This routine is invoked to enable device interrupt and associate driver's 9782 * interrupt handler(s) to interrupt vector(s) to device with SLI-4 9783 * interface spec. Depends on the interrupt mode configured to the driver, 9784 * the driver will try to fallback from the configured interrupt mode to an 9785 * interrupt mode which is supported by the platform, kernel, and device in 9786 * the order of: 9787 * MSI-X -> MSI -> IRQ. 9788 * 9789 * Return codes 9790 * 0 - successful 9791 * other values - error 9792 **/ 9793 static uint32_t 9794 lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) 9795 { 9796 uint32_t intr_mode = LPFC_INTR_ERROR; 9797 int retval, idx; 9798 9799 if (cfg_mode == 2) { 9800 /* Preparation before conf_msi mbox cmd */ 9801 retval = 0; 9802 if (!retval) { 9803 /* Now, try to enable MSI-X interrupt mode */ 9804 retval = lpfc_sli4_enable_msix(phba); 9805 if (!retval) { 9806 /* Indicate initialization to MSI-X mode */ 9807 phba->intr_type = MSIX; 9808 intr_mode = 2; 9809 } 9810 } 9811 } 9812 9813 /* Fallback to MSI if MSI-X initialization failed */ 9814 if (cfg_mode >= 1 && phba->intr_type == NONE) { 9815 retval = lpfc_sli4_enable_msi(phba); 9816 if (!retval) { 9817 /* Indicate initialization to MSI mode */ 9818 phba->intr_type = MSI; 9819 intr_mode = 1; 9820 } 9821 } 9822 9823 /* Fallback to INTx if both MSI-X/MSI initalization failed */ 9824 if (phba->intr_type == NONE) { 9825 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, 9826 IRQF_SHARED, LPFC_DRIVER_NAME, phba); 9827 if (!retval) { 9828 struct lpfc_hba_eq_hdl *eqhdl; 9829 9830 /* Indicate initialization to INTx mode */ 9831 phba->intr_type = INTx; 9832 intr_mode = 0; 9833 9834 for (idx = 0; idx < phba->io_channel_irqs; idx++) { 9835 eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; 9836 eqhdl->idx = idx; 9837 eqhdl->phba = phba; 9838 atomic_set(&eqhdl->hba_eq_in_use, 1); 9839 } 9840 if (phba->cfg_fof) { 9841 eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; 9842 eqhdl->idx = idx; 9843 eqhdl->phba = phba; 9844 atomic_set(&eqhdl->hba_eq_in_use, 1); 9845 } 9846 } 9847 } 9848 return intr_mode; 9849 } 9850 9851 /** 9852 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device 9853 * @phba: pointer to lpfc hba data structure. 9854 * 9855 * This routine is invoked to disable device interrupt and disassociate 9856 * the driver's interrupt handler(s) from interrupt vector(s) to device 9857 * with SLI-4 interface spec. Depending on the interrupt mode, the driver 9858 * will release the interrupt vector(s) for the message signaled interrupt. 9859 **/ 9860 static void 9861 lpfc_sli4_disable_intr(struct lpfc_hba *phba) 9862 { 9863 /* Disable the currently initialized interrupt mode */ 9864 if (phba->intr_type == MSIX) { 9865 int index; 9866 9867 /* Free up MSI-X multi-message vectors */ 9868 for (index = 0; index < phba->io_channel_irqs; index++) 9869 free_irq(pci_irq_vector(phba->pcidev, index), 9870 &phba->sli4_hba.hba_eq_hdl[index]); 9871 9872 if (phba->cfg_fof) 9873 free_irq(pci_irq_vector(phba->pcidev, index), 9874 &phba->sli4_hba.hba_eq_hdl[index]); 9875 } else { 9876 free_irq(phba->pcidev->irq, phba); 9877 } 9878 9879 pci_free_irq_vectors(phba->pcidev); 9880 9881 /* Reset interrupt management states */ 9882 phba->intr_type = NONE; 9883 phba->sli.slistat.sli_intr = 0; 9884 } 9885 9886 /** 9887 * lpfc_unset_hba - Unset SLI3 hba device initialization 9888 * @phba: pointer to lpfc hba data structure. 9889 * 9890 * This routine is invoked to unset the HBA device initialization steps to 9891 * a device with SLI-3 interface spec. 9892 **/ 9893 static void 9894 lpfc_unset_hba(struct lpfc_hba *phba) 9895 { 9896 struct lpfc_vport *vport = phba->pport; 9897 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 9898 9899 spin_lock_irq(shost->host_lock); 9900 vport->load_flag |= FC_UNLOADING; 9901 spin_unlock_irq(shost->host_lock); 9902 9903 kfree(phba->vpi_bmask); 9904 kfree(phba->vpi_ids); 9905 9906 lpfc_stop_hba_timers(phba); 9907 9908 phba->pport->work_port_events = 0; 9909 9910 lpfc_sli_hba_down(phba); 9911 9912 lpfc_sli_brdrestart(phba); 9913 9914 lpfc_sli_disable_intr(phba); 9915 9916 return; 9917 } 9918 9919 /** 9920 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy 9921 * @phba: Pointer to HBA context object. 9922 * 9923 * This function is called in the SLI4 code path to wait for completion 9924 * of device's XRIs exchange busy. It will check the XRI exchange busy 9925 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after 9926 * that, it will check the XRI exchange busy on outstanding FCP and ELS 9927 * I/Os every 30 seconds, log error message, and wait forever. Only when 9928 * all XRI exchange busy complete, the driver unload shall proceed with 9929 * invoking the function reset ioctl mailbox command to the CNA and the 9930 * the rest of the driver unload resource release. 9931 **/ 9932 static void 9933 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) 9934 { 9935 int wait_time = 0; 9936 int nvme_xri_cmpl = 1; 9937 int fcp_xri_cmpl = 1; 9938 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); 9939 int nvmet_xri_cmpl = 9940 list_empty(&phba->sli4_hba.lpfc_abts_nvmet_sgl_list); 9941 9942 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) 9943 fcp_xri_cmpl = 9944 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); 9945 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) 9946 nvme_xri_cmpl = 9947 list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list); 9948 9949 while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl || 9950 !nvmet_xri_cmpl) { 9951 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { 9952 if (!nvme_xri_cmpl) 9953 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9954 "6100 NVME XRI exchange busy " 9955 "wait time: %d seconds.\n", 9956 wait_time/1000); 9957 if (!fcp_xri_cmpl) 9958 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9959 "2877 FCP XRI exchange busy " 9960 "wait time: %d seconds.\n", 9961 wait_time/1000); 9962 if (!els_xri_cmpl) 9963 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 9964 "2878 ELS XRI exchange busy " 9965 "wait time: %d seconds.\n", 9966 wait_time/1000); 9967 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); 9968 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; 9969 } else { 9970 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); 9971 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; 9972 } 9973 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) 9974 nvme_xri_cmpl = list_empty( 9975 &phba->sli4_hba.lpfc_abts_nvme_buf_list); 9976 9977 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) 9978 fcp_xri_cmpl = list_empty( 9979 &phba->sli4_hba.lpfc_abts_scsi_buf_list); 9980 9981 els_xri_cmpl = 9982 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); 9983 9984 nvmet_xri_cmpl = 9985 list_empty(&phba->sli4_hba.lpfc_abts_nvmet_sgl_list); 9986 } 9987 } 9988 9989 /** 9990 * lpfc_sli4_hba_unset - Unset the fcoe hba 9991 * @phba: Pointer to HBA context object. 9992 * 9993 * This function is called in the SLI4 code path to reset the HBA's FCoE 9994 * function. The caller is not required to hold any lock. This routine 9995 * issues PCI function reset mailbox command to reset the FCoE function. 9996 * At the end of the function, it calls lpfc_hba_down_post function to 9997 * free any pending commands. 9998 **/ 9999 static void 10000 lpfc_sli4_hba_unset(struct lpfc_hba *phba) 10001 { 10002 int wait_cnt = 0; 10003 LPFC_MBOXQ_t *mboxq; 10004 struct pci_dev *pdev = phba->pcidev; 10005 10006 lpfc_stop_hba_timers(phba); 10007 phba->sli4_hba.intr_enable = 0; 10008 10009 /* 10010 * Gracefully wait out the potential current outstanding asynchronous 10011 * mailbox command. 10012 */ 10013 10014 /* First, block any pending async mailbox command from posted */ 10015 spin_lock_irq(&phba->hbalock); 10016 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; 10017 spin_unlock_irq(&phba->hbalock); 10018 /* Now, trying to wait it out if we can */ 10019 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { 10020 msleep(10); 10021 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) 10022 break; 10023 } 10024 /* Forcefully release the outstanding mailbox command if timed out */ 10025 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { 10026 spin_lock_irq(&phba->hbalock); 10027 mboxq = phba->sli.mbox_active; 10028 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; 10029 __lpfc_mbox_cmpl_put(phba, mboxq); 10030 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; 10031 phba->sli.mbox_active = NULL; 10032 spin_unlock_irq(&phba->hbalock); 10033 } 10034 10035 /* Abort all iocbs associated with the hba */ 10036 lpfc_sli_hba_iocb_abort(phba); 10037 10038 /* Wait for completion of device XRI exchange busy */ 10039 lpfc_sli4_xri_exchange_busy_wait(phba); 10040 10041 /* Disable PCI subsystem interrupt */ 10042 lpfc_sli4_disable_intr(phba); 10043 10044 /* Disable SR-IOV if enabled */ 10045 if (phba->cfg_sriov_nr_virtfn) 10046 pci_disable_sriov(pdev); 10047 10048 /* Stop kthread signal shall trigger work_done one more time */ 10049 kthread_stop(phba->worker_thread); 10050 10051 /* Reset SLI4 HBA FCoE function */ 10052 lpfc_pci_function_reset(phba); 10053 lpfc_sli4_queue_destroy(phba); 10054 10055 /* Stop the SLI4 device port */ 10056 phba->pport->work_port_events = 0; 10057 } 10058 10059 /** 10060 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. 10061 * @phba: Pointer to HBA context object. 10062 * @mboxq: Pointer to the mailboxq memory for the mailbox command response. 10063 * 10064 * This function is called in the SLI4 code path to read the port's 10065 * sli4 capabilities. 10066 * 10067 * This function may be be called from any context that can block-wait 10068 * for the completion. The expectation is that this routine is called 10069 * typically from probe_one or from the online routine. 10070 **/ 10071 int 10072 lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 10073 { 10074 int rc; 10075 struct lpfc_mqe *mqe; 10076 struct lpfc_pc_sli4_params *sli4_params; 10077 uint32_t mbox_tmo; 10078 10079 rc = 0; 10080 mqe = &mboxq->u.mqe; 10081 10082 /* Read the port's SLI4 Parameters port capabilities */ 10083 lpfc_pc_sli4_params(mboxq); 10084 if (!phba->sli4_hba.intr_enable) 10085 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 10086 else { 10087 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); 10088 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); 10089 } 10090 10091 if (unlikely(rc)) 10092 return 1; 10093 10094 sli4_params = &phba->sli4_hba.pc_sli4_params; 10095 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); 10096 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); 10097 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); 10098 sli4_params->featurelevel_1 = bf_get(featurelevel_1, 10099 &mqe->un.sli4_params); 10100 sli4_params->featurelevel_2 = bf_get(featurelevel_2, 10101 &mqe->un.sli4_params); 10102 sli4_params->proto_types = mqe->un.sli4_params.word3; 10103 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; 10104 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); 10105 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); 10106 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); 10107 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); 10108 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); 10109 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); 10110 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); 10111 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); 10112 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); 10113 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); 10114 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); 10115 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); 10116 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); 10117 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); 10118 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); 10119 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); 10120 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); 10121 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); 10122 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); 10123 10124 /* Make sure that sge_supp_len can be handled by the driver */ 10125 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) 10126 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; 10127 10128 return rc; 10129 } 10130 10131 /** 10132 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. 10133 * @phba: Pointer to HBA context object. 10134 * @mboxq: Pointer to the mailboxq memory for the mailbox command response. 10135 * 10136 * This function is called in the SLI4 code path to read the port's 10137 * sli4 capabilities. 10138 * 10139 * This function may be be called from any context that can block-wait 10140 * for the completion. The expectation is that this routine is called 10141 * typically from probe_one or from the online routine. 10142 **/ 10143 int 10144 lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 10145 { 10146 int rc; 10147 struct lpfc_mqe *mqe = &mboxq->u.mqe; 10148 struct lpfc_pc_sli4_params *sli4_params; 10149 uint32_t mbox_tmo; 10150 int length; 10151 struct lpfc_sli4_parameters *mbx_sli4_parameters; 10152 10153 /* 10154 * By default, the driver assumes the SLI4 port requires RPI 10155 * header postings. The SLI4_PARAM response will correct this 10156 * assumption. 10157 */ 10158 phba->sli4_hba.rpi_hdrs_in_use = 1; 10159 10160 /* Read the port's SLI4 Config Parameters */ 10161 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - 10162 sizeof(struct lpfc_sli4_cfg_mhdr)); 10163 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, 10164 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, 10165 length, LPFC_SLI4_MBX_EMBED); 10166 if (!phba->sli4_hba.intr_enable) 10167 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); 10168 else { 10169 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); 10170 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); 10171 } 10172 if (unlikely(rc)) 10173 return rc; 10174 sli4_params = &phba->sli4_hba.pc_sli4_params; 10175 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; 10176 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); 10177 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); 10178 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); 10179 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, 10180 mbx_sli4_parameters); 10181 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, 10182 mbx_sli4_parameters); 10183 if (bf_get(cfg_phwq, mbx_sli4_parameters)) 10184 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; 10185 else 10186 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; 10187 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; 10188 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); 10189 sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters); 10190 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); 10191 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); 10192 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); 10193 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); 10194 sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters); 10195 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, 10196 mbx_sli4_parameters); 10197 sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters); 10198 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, 10199 mbx_sli4_parameters); 10200 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); 10201 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); 10202 phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) && 10203 bf_get(cfg_xib, mbx_sli4_parameters)); 10204 10205 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) || 10206 !phba->nvme_support) { 10207 phba->nvme_support = 0; 10208 phba->nvmet_support = 0; 10209 phba->cfg_nvmet_mrq = 0; 10210 phba->cfg_nvme_io_channel = 0; 10211 phba->io_channel_irqs = phba->cfg_fcp_io_channel; 10212 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME, 10213 "6101 Disabling NVME support: " 10214 "Not supported by firmware: %d %d\n", 10215 bf_get(cfg_nvme, mbx_sli4_parameters), 10216 bf_get(cfg_xib, mbx_sli4_parameters)); 10217 10218 /* If firmware doesn't support NVME, just use SCSI support */ 10219 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) 10220 return -ENODEV; 10221 phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; 10222 } 10223 10224 if (bf_get(cfg_xib, mbx_sli4_parameters) && phba->cfg_suppress_rsp) 10225 phba->sli.sli_flag |= LPFC_SLI_SUPPRESS_RSP; 10226 10227 /* Make sure that sge_supp_len can be handled by the driver */ 10228 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) 10229 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; 10230 10231 /* 10232 * Issue IOs with CDB embedded in WQE to minimized the number 10233 * of DMAs the firmware has to do. Setting this to 1 also forces 10234 * the driver to use 128 bytes WQEs for FCP IOs. 10235 */ 10236 if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters)) 10237 phba->fcp_embed_io = 1; 10238 else 10239 phba->fcp_embed_io = 0; 10240 10241 /* 10242 * Check if the SLI port supports MDS Diagnostics 10243 */ 10244 if (bf_get(cfg_mds_diags, mbx_sli4_parameters)) 10245 phba->mds_diags_support = 1; 10246 else 10247 phba->mds_diags_support = 0; 10248 return 0; 10249 } 10250 10251 /** 10252 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. 10253 * @pdev: pointer to PCI device 10254 * @pid: pointer to PCI device identifier 10255 * 10256 * This routine is to be called to attach a device with SLI-3 interface spec 10257 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is 10258 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific 10259 * information of the device and driver to see if the driver state that it can 10260 * support this kind of device. If the match is successful, the driver core 10261 * invokes this routine. If this routine determines it can claim the HBA, it 10262 * does all the initialization that it needs to do to handle the HBA properly. 10263 * 10264 * Return code 10265 * 0 - driver can claim the device 10266 * negative value - driver can not claim the device 10267 **/ 10268 static int 10269 lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) 10270 { 10271 struct lpfc_hba *phba; 10272 struct lpfc_vport *vport = NULL; 10273 struct Scsi_Host *shost = NULL; 10274 int error; 10275 uint32_t cfg_mode, intr_mode; 10276 10277 /* Allocate memory for HBA structure */ 10278 phba = lpfc_hba_alloc(pdev); 10279 if (!phba) 10280 return -ENOMEM; 10281 10282 /* Perform generic PCI device enabling operation */ 10283 error = lpfc_enable_pci_dev(phba); 10284 if (error) 10285 goto out_free_phba; 10286 10287 /* Set up SLI API function jump table for PCI-device group-0 HBAs */ 10288 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); 10289 if (error) 10290 goto out_disable_pci_dev; 10291 10292 /* Set up SLI-3 specific device PCI memory space */ 10293 error = lpfc_sli_pci_mem_setup(phba); 10294 if (error) { 10295 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10296 "1402 Failed to set up pci memory space.\n"); 10297 goto out_disable_pci_dev; 10298 } 10299 10300 /* Set up SLI-3 specific device driver resources */ 10301 error = lpfc_sli_driver_resource_setup(phba); 10302 if (error) { 10303 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10304 "1404 Failed to set up driver resource.\n"); 10305 goto out_unset_pci_mem_s3; 10306 } 10307 10308 /* Initialize and populate the iocb list per host */ 10309 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); 10310 if (error) { 10311 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10312 "1405 Failed to initialize iocb list.\n"); 10313 goto out_unset_driver_resource_s3; 10314 } 10315 10316 /* Set up common device driver resources */ 10317 error = lpfc_setup_driver_resource_phase2(phba); 10318 if (error) { 10319 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10320 "1406 Failed to set up driver resource.\n"); 10321 goto out_free_iocb_list; 10322 } 10323 10324 /* Get the default values for Model Name and Description */ 10325 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 10326 10327 /* Create SCSI host to the physical port */ 10328 error = lpfc_create_shost(phba); 10329 if (error) { 10330 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10331 "1407 Failed to create scsi host.\n"); 10332 goto out_unset_driver_resource; 10333 } 10334 10335 /* Configure sysfs attributes */ 10336 vport = phba->pport; 10337 error = lpfc_alloc_sysfs_attr(vport); 10338 if (error) { 10339 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10340 "1476 Failed to allocate sysfs attr\n"); 10341 goto out_destroy_shost; 10342 } 10343 10344 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ 10345 /* Now, trying to enable interrupt and bring up the device */ 10346 cfg_mode = phba->cfg_use_msi; 10347 while (true) { 10348 /* Put device to a known state before enabling interrupt */ 10349 lpfc_stop_port(phba); 10350 /* Configure and enable interrupt */ 10351 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); 10352 if (intr_mode == LPFC_INTR_ERROR) { 10353 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10354 "0431 Failed to enable interrupt.\n"); 10355 error = -ENODEV; 10356 goto out_free_sysfs_attr; 10357 } 10358 /* SLI-3 HBA setup */ 10359 if (lpfc_sli_hba_setup(phba)) { 10360 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10361 "1477 Failed to set up hba\n"); 10362 error = -ENODEV; 10363 goto out_remove_device; 10364 } 10365 10366 /* Wait 50ms for the interrupts of previous mailbox commands */ 10367 msleep(50); 10368 /* Check active interrupts on message signaled interrupts */ 10369 if (intr_mode == 0 || 10370 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { 10371 /* Log the current active interrupt mode */ 10372 phba->intr_mode = intr_mode; 10373 lpfc_log_intr_mode(phba, intr_mode); 10374 break; 10375 } else { 10376 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 10377 "0447 Configure interrupt mode (%d) " 10378 "failed active interrupt test.\n", 10379 intr_mode); 10380 /* Disable the current interrupt mode */ 10381 lpfc_sli_disable_intr(phba); 10382 /* Try next level of interrupt mode */ 10383 cfg_mode = --intr_mode; 10384 } 10385 } 10386 10387 /* Perform post initialization setup */ 10388 lpfc_post_init_setup(phba); 10389 10390 /* Check if there are static vports to be created. */ 10391 lpfc_create_static_vport(phba); 10392 10393 return 0; 10394 10395 out_remove_device: 10396 lpfc_unset_hba(phba); 10397 out_free_sysfs_attr: 10398 lpfc_free_sysfs_attr(vport); 10399 out_destroy_shost: 10400 lpfc_destroy_shost(phba); 10401 out_unset_driver_resource: 10402 lpfc_unset_driver_resource_phase2(phba); 10403 out_free_iocb_list: 10404 lpfc_free_iocb_list(phba); 10405 out_unset_driver_resource_s3: 10406 lpfc_sli_driver_resource_unset(phba); 10407 out_unset_pci_mem_s3: 10408 lpfc_sli_pci_mem_unset(phba); 10409 out_disable_pci_dev: 10410 lpfc_disable_pci_dev(phba); 10411 if (shost) 10412 scsi_host_put(shost); 10413 out_free_phba: 10414 lpfc_hba_free(phba); 10415 return error; 10416 } 10417 10418 /** 10419 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. 10420 * @pdev: pointer to PCI device 10421 * 10422 * This routine is to be called to disattach a device with SLI-3 interface 10423 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is 10424 * removed from PCI bus, it performs all the necessary cleanup for the HBA 10425 * device to be removed from the PCI subsystem properly. 10426 **/ 10427 static void 10428 lpfc_pci_remove_one_s3(struct pci_dev *pdev) 10429 { 10430 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10431 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 10432 struct lpfc_vport **vports; 10433 struct lpfc_hba *phba = vport->phba; 10434 int i; 10435 10436 spin_lock_irq(&phba->hbalock); 10437 vport->load_flag |= FC_UNLOADING; 10438 spin_unlock_irq(&phba->hbalock); 10439 10440 lpfc_free_sysfs_attr(vport); 10441 10442 /* Release all the vports against this physical port */ 10443 vports = lpfc_create_vport_work_array(phba); 10444 if (vports != NULL) 10445 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 10446 if (vports[i]->port_type == LPFC_PHYSICAL_PORT) 10447 continue; 10448 fc_vport_terminate(vports[i]->fc_vport); 10449 } 10450 lpfc_destroy_vport_work_array(phba, vports); 10451 10452 /* Remove FC host and then SCSI host with the physical port */ 10453 fc_remove_host(shost); 10454 scsi_remove_host(shost); 10455 10456 lpfc_cleanup(vport); 10457 10458 /* 10459 * Bring down the SLI Layer. This step disable all interrupts, 10460 * clears the rings, discards all mailbox commands, and resets 10461 * the HBA. 10462 */ 10463 10464 /* HBA interrupt will be disabled after this call */ 10465 lpfc_sli_hba_down(phba); 10466 /* Stop kthread signal shall trigger work_done one more time */ 10467 kthread_stop(phba->worker_thread); 10468 /* Final cleanup of txcmplq and reset the HBA */ 10469 lpfc_sli_brdrestart(phba); 10470 10471 kfree(phba->vpi_bmask); 10472 kfree(phba->vpi_ids); 10473 10474 lpfc_stop_hba_timers(phba); 10475 spin_lock_irq(&phba->hbalock); 10476 list_del_init(&vport->listentry); 10477 spin_unlock_irq(&phba->hbalock); 10478 10479 lpfc_debugfs_terminate(vport); 10480 10481 /* Disable SR-IOV if enabled */ 10482 if (phba->cfg_sriov_nr_virtfn) 10483 pci_disable_sriov(pdev); 10484 10485 /* Disable interrupt */ 10486 lpfc_sli_disable_intr(phba); 10487 10488 scsi_host_put(shost); 10489 10490 /* 10491 * Call scsi_free before mem_free since scsi bufs are released to their 10492 * corresponding pools here. 10493 */ 10494 lpfc_scsi_free(phba); 10495 lpfc_mem_free_all(phba); 10496 10497 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), 10498 phba->hbqslimp.virt, phba->hbqslimp.phys); 10499 10500 /* Free resources associated with SLI2 interface */ 10501 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 10502 phba->slim2p.virt, phba->slim2p.phys); 10503 10504 /* unmap adapter SLIM and Control Registers */ 10505 iounmap(phba->ctrl_regs_memmap_p); 10506 iounmap(phba->slim_memmap_p); 10507 10508 lpfc_hba_free(phba); 10509 10510 pci_release_mem_regions(pdev); 10511 pci_disable_device(pdev); 10512 } 10513 10514 /** 10515 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt 10516 * @pdev: pointer to PCI device 10517 * @msg: power management message 10518 * 10519 * This routine is to be called from the kernel's PCI subsystem to support 10520 * system Power Management (PM) to device with SLI-3 interface spec. When 10521 * PM invokes this method, it quiesces the device by stopping the driver's 10522 * worker thread for the device, turning off device's interrupt and DMA, 10523 * and bring the device offline. Note that as the driver implements the 10524 * minimum PM requirements to a power-aware driver's PM support for the 10525 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) 10526 * to the suspend() method call will be treated as SUSPEND and the driver will 10527 * fully reinitialize its device during resume() method call, the driver will 10528 * set device to PCI_D3hot state in PCI config space instead of setting it 10529 * according to the @msg provided by the PM. 10530 * 10531 * Return code 10532 * 0 - driver suspended the device 10533 * Error otherwise 10534 **/ 10535 static int 10536 lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) 10537 { 10538 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10539 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 10540 10541 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 10542 "0473 PCI device Power Management suspend.\n"); 10543 10544 /* Bring down the device */ 10545 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 10546 lpfc_offline(phba); 10547 kthread_stop(phba->worker_thread); 10548 10549 /* Disable interrupt from device */ 10550 lpfc_sli_disable_intr(phba); 10551 10552 /* Save device state to PCI config space */ 10553 pci_save_state(pdev); 10554 pci_set_power_state(pdev, PCI_D3hot); 10555 10556 return 0; 10557 } 10558 10559 /** 10560 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt 10561 * @pdev: pointer to PCI device 10562 * 10563 * This routine is to be called from the kernel's PCI subsystem to support 10564 * system Power Management (PM) to device with SLI-3 interface spec. When PM 10565 * invokes this method, it restores the device's PCI config space state and 10566 * fully reinitializes the device and brings it online. Note that as the 10567 * driver implements the minimum PM requirements to a power-aware driver's 10568 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, 10569 * FREEZE) to the suspend() method call will be treated as SUSPEND and the 10570 * driver will fully reinitialize its device during resume() method call, 10571 * the device will be set to PCI_D0 directly in PCI config space before 10572 * restoring the state. 10573 * 10574 * Return code 10575 * 0 - driver suspended the device 10576 * Error otherwise 10577 **/ 10578 static int 10579 lpfc_pci_resume_one_s3(struct pci_dev *pdev) 10580 { 10581 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10582 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 10583 uint32_t intr_mode; 10584 int error; 10585 10586 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 10587 "0452 PCI device Power Management resume.\n"); 10588 10589 /* Restore device state from PCI config space */ 10590 pci_set_power_state(pdev, PCI_D0); 10591 pci_restore_state(pdev); 10592 10593 /* 10594 * As the new kernel behavior of pci_restore_state() API call clears 10595 * device saved_state flag, need to save the restored state again. 10596 */ 10597 pci_save_state(pdev); 10598 10599 if (pdev->is_busmaster) 10600 pci_set_master(pdev); 10601 10602 /* Startup the kernel thread for this host adapter. */ 10603 phba->worker_thread = kthread_run(lpfc_do_work, phba, 10604 "lpfc_worker_%d", phba->brd_no); 10605 if (IS_ERR(phba->worker_thread)) { 10606 error = PTR_ERR(phba->worker_thread); 10607 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10608 "0434 PM resume failed to start worker " 10609 "thread: error=x%x.\n", error); 10610 return error; 10611 } 10612 10613 /* Configure and enable interrupt */ 10614 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); 10615 if (intr_mode == LPFC_INTR_ERROR) { 10616 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10617 "0430 PM resume Failed to enable interrupt\n"); 10618 return -EIO; 10619 } else 10620 phba->intr_mode = intr_mode; 10621 10622 /* Restart HBA and bring it online */ 10623 lpfc_sli_brdrestart(phba); 10624 lpfc_online(phba); 10625 10626 /* Log the current active interrupt mode */ 10627 lpfc_log_intr_mode(phba, phba->intr_mode); 10628 10629 return 0; 10630 } 10631 10632 /** 10633 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover 10634 * @phba: pointer to lpfc hba data structure. 10635 * 10636 * This routine is called to prepare the SLI3 device for PCI slot recover. It 10637 * aborts all the outstanding SCSI I/Os to the pci device. 10638 **/ 10639 static void 10640 lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) 10641 { 10642 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10643 "2723 PCI channel I/O abort preparing for recovery\n"); 10644 10645 /* 10646 * There may be errored I/Os through HBA, abort all I/Os on txcmplq 10647 * and let the SCSI mid-layer to retry them to recover. 10648 */ 10649 lpfc_sli_abort_fcp_rings(phba); 10650 } 10651 10652 /** 10653 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset 10654 * @phba: pointer to lpfc hba data structure. 10655 * 10656 * This routine is called to prepare the SLI3 device for PCI slot reset. It 10657 * disables the device interrupt and pci device, and aborts the internal FCP 10658 * pending I/Os. 10659 **/ 10660 static void 10661 lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) 10662 { 10663 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10664 "2710 PCI channel disable preparing for reset\n"); 10665 10666 /* Block any management I/Os to the device */ 10667 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); 10668 10669 /* Block all SCSI devices' I/Os on the host */ 10670 lpfc_scsi_dev_block(phba); 10671 10672 /* Flush all driver's outstanding SCSI I/Os as we are to reset */ 10673 lpfc_sli_flush_fcp_rings(phba); 10674 10675 /* stop all timers */ 10676 lpfc_stop_hba_timers(phba); 10677 10678 /* Disable interrupt and pci device */ 10679 lpfc_sli_disable_intr(phba); 10680 pci_disable_device(phba->pcidev); 10681 } 10682 10683 /** 10684 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable 10685 * @phba: pointer to lpfc hba data structure. 10686 * 10687 * This routine is called to prepare the SLI3 device for PCI slot permanently 10688 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP 10689 * pending I/Os. 10690 **/ 10691 static void 10692 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) 10693 { 10694 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10695 "2711 PCI channel permanent disable for failure\n"); 10696 /* Block all SCSI devices' I/Os on the host */ 10697 lpfc_scsi_dev_block(phba); 10698 10699 /* stop all timers */ 10700 lpfc_stop_hba_timers(phba); 10701 10702 /* Clean up all driver's outstanding SCSI I/Os */ 10703 lpfc_sli_flush_fcp_rings(phba); 10704 } 10705 10706 /** 10707 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error 10708 * @pdev: pointer to PCI device. 10709 * @state: the current PCI connection state. 10710 * 10711 * This routine is called from the PCI subsystem for I/O error handling to 10712 * device with SLI-3 interface spec. This function is called by the PCI 10713 * subsystem after a PCI bus error affecting this device has been detected. 10714 * When this function is invoked, it will need to stop all the I/Os and 10715 * interrupt(s) to the device. Once that is done, it will return 10716 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery 10717 * as desired. 10718 * 10719 * Return codes 10720 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link 10721 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery 10722 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 10723 **/ 10724 static pci_ers_result_t 10725 lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) 10726 { 10727 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10728 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 10729 10730 switch (state) { 10731 case pci_channel_io_normal: 10732 /* Non-fatal error, prepare for recovery */ 10733 lpfc_sli_prep_dev_for_recover(phba); 10734 return PCI_ERS_RESULT_CAN_RECOVER; 10735 case pci_channel_io_frozen: 10736 /* Fatal error, prepare for slot reset */ 10737 lpfc_sli_prep_dev_for_reset(phba); 10738 return PCI_ERS_RESULT_NEED_RESET; 10739 case pci_channel_io_perm_failure: 10740 /* Permanent failure, prepare for device down */ 10741 lpfc_sli_prep_dev_for_perm_failure(phba); 10742 return PCI_ERS_RESULT_DISCONNECT; 10743 default: 10744 /* Unknown state, prepare and request slot reset */ 10745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10746 "0472 Unknown PCI error state: x%x\n", state); 10747 lpfc_sli_prep_dev_for_reset(phba); 10748 return PCI_ERS_RESULT_NEED_RESET; 10749 } 10750 } 10751 10752 /** 10753 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. 10754 * @pdev: pointer to PCI device. 10755 * 10756 * This routine is called from the PCI subsystem for error handling to 10757 * device with SLI-3 interface spec. This is called after PCI bus has been 10758 * reset to restart the PCI card from scratch, as if from a cold-boot. 10759 * During the PCI subsystem error recovery, after driver returns 10760 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error 10761 * recovery and then call this routine before calling the .resume method 10762 * to recover the device. This function will initialize the HBA device, 10763 * enable the interrupt, but it will just put the HBA to offline state 10764 * without passing any I/O traffic. 10765 * 10766 * Return codes 10767 * PCI_ERS_RESULT_RECOVERED - the device has been recovered 10768 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 10769 */ 10770 static pci_ers_result_t 10771 lpfc_io_slot_reset_s3(struct pci_dev *pdev) 10772 { 10773 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10774 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 10775 struct lpfc_sli *psli = &phba->sli; 10776 uint32_t intr_mode; 10777 10778 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 10779 if (pci_enable_device_mem(pdev)) { 10780 printk(KERN_ERR "lpfc: Cannot re-enable " 10781 "PCI device after reset.\n"); 10782 return PCI_ERS_RESULT_DISCONNECT; 10783 } 10784 10785 pci_restore_state(pdev); 10786 10787 /* 10788 * As the new kernel behavior of pci_restore_state() API call clears 10789 * device saved_state flag, need to save the restored state again. 10790 */ 10791 pci_save_state(pdev); 10792 10793 if (pdev->is_busmaster) 10794 pci_set_master(pdev); 10795 10796 spin_lock_irq(&phba->hbalock); 10797 psli->sli_flag &= ~LPFC_SLI_ACTIVE; 10798 spin_unlock_irq(&phba->hbalock); 10799 10800 /* Configure and enable interrupt */ 10801 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); 10802 if (intr_mode == LPFC_INTR_ERROR) { 10803 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10804 "0427 Cannot re-enable interrupt after " 10805 "slot reset.\n"); 10806 return PCI_ERS_RESULT_DISCONNECT; 10807 } else 10808 phba->intr_mode = intr_mode; 10809 10810 /* Take device offline, it will perform cleanup */ 10811 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 10812 lpfc_offline(phba); 10813 lpfc_sli_brdrestart(phba); 10814 10815 /* Log the current active interrupt mode */ 10816 lpfc_log_intr_mode(phba, phba->intr_mode); 10817 10818 return PCI_ERS_RESULT_RECOVERED; 10819 } 10820 10821 /** 10822 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. 10823 * @pdev: pointer to PCI device 10824 * 10825 * This routine is called from the PCI subsystem for error handling to device 10826 * with SLI-3 interface spec. It is called when kernel error recovery tells 10827 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus 10828 * error recovery. After this call, traffic can start to flow from this device 10829 * again. 10830 */ 10831 static void 10832 lpfc_io_resume_s3(struct pci_dev *pdev) 10833 { 10834 struct Scsi_Host *shost = pci_get_drvdata(pdev); 10835 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 10836 10837 /* Bring device online, it will be no-op for non-fatal error resume */ 10838 lpfc_online(phba); 10839 10840 /* Clean up Advanced Error Reporting (AER) if needed */ 10841 if (phba->hba_flag & HBA_AER_ENABLED) 10842 pci_cleanup_aer_uncorrect_error_status(pdev); 10843 } 10844 10845 /** 10846 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve 10847 * @phba: pointer to lpfc hba data structure. 10848 * 10849 * returns the number of ELS/CT IOCBs to reserve 10850 **/ 10851 int 10852 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) 10853 { 10854 int max_xri = phba->sli4_hba.max_cfg_param.max_xri; 10855 10856 if (phba->sli_rev == LPFC_SLI_REV4) { 10857 if (max_xri <= 100) 10858 return 10; 10859 else if (max_xri <= 256) 10860 return 25; 10861 else if (max_xri <= 512) 10862 return 50; 10863 else if (max_xri <= 1024) 10864 return 100; 10865 else if (max_xri <= 1536) 10866 return 150; 10867 else if (max_xri <= 2048) 10868 return 200; 10869 else 10870 return 250; 10871 } else 10872 return 0; 10873 } 10874 10875 /** 10876 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve 10877 * @phba: pointer to lpfc hba data structure. 10878 * 10879 * returns the number of ELS/CT + NVMET IOCBs to reserve 10880 **/ 10881 int 10882 lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba) 10883 { 10884 int max_xri = lpfc_sli4_get_els_iocb_cnt(phba); 10885 10886 if (phba->nvmet_support) 10887 max_xri += LPFC_NVMET_BUF_POST; 10888 return max_xri; 10889 } 10890 10891 10892 /** 10893 * lpfc_write_firmware - attempt to write a firmware image to the port 10894 * @fw: pointer to firmware image returned from request_firmware. 10895 * @phba: pointer to lpfc hba data structure. 10896 * 10897 **/ 10898 static void 10899 lpfc_write_firmware(const struct firmware *fw, void *context) 10900 { 10901 struct lpfc_hba *phba = (struct lpfc_hba *)context; 10902 char fwrev[FW_REV_STR_SIZE]; 10903 struct lpfc_grp_hdr *image; 10904 struct list_head dma_buffer_list; 10905 int i, rc = 0; 10906 struct lpfc_dmabuf *dmabuf, *next; 10907 uint32_t offset = 0, temp_offset = 0; 10908 uint32_t magic_number, ftype, fid, fsize; 10909 10910 /* It can be null in no-wait mode, sanity check */ 10911 if (!fw) { 10912 rc = -ENXIO; 10913 goto out; 10914 } 10915 image = (struct lpfc_grp_hdr *)fw->data; 10916 10917 magic_number = be32_to_cpu(image->magic_number); 10918 ftype = bf_get_be32(lpfc_grp_hdr_file_type, image); 10919 fid = bf_get_be32(lpfc_grp_hdr_id, image), 10920 fsize = be32_to_cpu(image->size); 10921 10922 INIT_LIST_HEAD(&dma_buffer_list); 10923 if ((magic_number != LPFC_GROUP_OJECT_MAGIC_G5 && 10924 magic_number != LPFC_GROUP_OJECT_MAGIC_G6) || 10925 ftype != LPFC_FILE_TYPE_GROUP || fsize != fw->size) { 10926 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10927 "3022 Invalid FW image found. " 10928 "Magic:%x Type:%x ID:%x Size %d %zd\n", 10929 magic_number, ftype, fid, fsize, fw->size); 10930 rc = -EINVAL; 10931 goto release_out; 10932 } 10933 lpfc_decode_firmware_rev(phba, fwrev, 1); 10934 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { 10935 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10936 "3023 Updating Firmware, Current Version:%s " 10937 "New Version:%s\n", 10938 fwrev, image->revision); 10939 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { 10940 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), 10941 GFP_KERNEL); 10942 if (!dmabuf) { 10943 rc = -ENOMEM; 10944 goto release_out; 10945 } 10946 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, 10947 SLI4_PAGE_SIZE, 10948 &dmabuf->phys, 10949 GFP_KERNEL); 10950 if (!dmabuf->virt) { 10951 kfree(dmabuf); 10952 rc = -ENOMEM; 10953 goto release_out; 10954 } 10955 list_add_tail(&dmabuf->list, &dma_buffer_list); 10956 } 10957 while (offset < fw->size) { 10958 temp_offset = offset; 10959 list_for_each_entry(dmabuf, &dma_buffer_list, list) { 10960 if (temp_offset + SLI4_PAGE_SIZE > fw->size) { 10961 memcpy(dmabuf->virt, 10962 fw->data + temp_offset, 10963 fw->size - temp_offset); 10964 temp_offset = fw->size; 10965 break; 10966 } 10967 memcpy(dmabuf->virt, fw->data + temp_offset, 10968 SLI4_PAGE_SIZE); 10969 temp_offset += SLI4_PAGE_SIZE; 10970 } 10971 rc = lpfc_wr_object(phba, &dma_buffer_list, 10972 (fw->size - offset), &offset); 10973 if (rc) 10974 goto release_out; 10975 } 10976 rc = offset; 10977 } 10978 10979 release_out: 10980 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { 10981 list_del(&dmabuf->list); 10982 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, 10983 dmabuf->virt, dmabuf->phys); 10984 kfree(dmabuf); 10985 } 10986 release_firmware(fw); 10987 out: 10988 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 10989 "3024 Firmware update done: %d.\n", rc); 10990 return; 10991 } 10992 10993 /** 10994 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade 10995 * @phba: pointer to lpfc hba data structure. 10996 * 10997 * This routine is called to perform Linux generic firmware upgrade on device 10998 * that supports such feature. 10999 **/ 11000 int 11001 lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) 11002 { 11003 uint8_t file_name[ELX_MODEL_NAME_SIZE]; 11004 int ret; 11005 const struct firmware *fw; 11006 11007 /* Only supported on SLI4 interface type 2 for now */ 11008 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != 11009 LPFC_SLI_INTF_IF_TYPE_2) 11010 return -EPERM; 11011 11012 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); 11013 11014 if (fw_upgrade == INT_FW_UPGRADE) { 11015 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, 11016 file_name, &phba->pcidev->dev, 11017 GFP_KERNEL, (void *)phba, 11018 lpfc_write_firmware); 11019 } else if (fw_upgrade == RUN_FW_UPGRADE) { 11020 ret = request_firmware(&fw, file_name, &phba->pcidev->dev); 11021 if (!ret) 11022 lpfc_write_firmware(fw, (void *)phba); 11023 } else { 11024 ret = -EINVAL; 11025 } 11026 11027 return ret; 11028 } 11029 11030 /** 11031 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys 11032 * @pdev: pointer to PCI device 11033 * @pid: pointer to PCI device identifier 11034 * 11035 * This routine is called from the kernel's PCI subsystem to device with 11036 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is 11037 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific 11038 * information of the device and driver to see if the driver state that it 11039 * can support this kind of device. If the match is successful, the driver 11040 * core invokes this routine. If this routine determines it can claim the HBA, 11041 * it does all the initialization that it needs to do to handle the HBA 11042 * properly. 11043 * 11044 * Return code 11045 * 0 - driver can claim the device 11046 * negative value - driver can not claim the device 11047 **/ 11048 static int 11049 lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) 11050 { 11051 struct lpfc_hba *phba; 11052 struct lpfc_vport *vport = NULL; 11053 struct Scsi_Host *shost = NULL; 11054 int error; 11055 uint32_t cfg_mode, intr_mode; 11056 11057 /* Allocate memory for HBA structure */ 11058 phba = lpfc_hba_alloc(pdev); 11059 if (!phba) 11060 return -ENOMEM; 11061 11062 /* Perform generic PCI device enabling operation */ 11063 error = lpfc_enable_pci_dev(phba); 11064 if (error) 11065 goto out_free_phba; 11066 11067 /* Set up SLI API function jump table for PCI-device group-1 HBAs */ 11068 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); 11069 if (error) 11070 goto out_disable_pci_dev; 11071 11072 /* Set up SLI-4 specific device PCI memory space */ 11073 error = lpfc_sli4_pci_mem_setup(phba); 11074 if (error) { 11075 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11076 "1410 Failed to set up pci memory space.\n"); 11077 goto out_disable_pci_dev; 11078 } 11079 11080 /* Set up SLI-4 Specific device driver resources */ 11081 error = lpfc_sli4_driver_resource_setup(phba); 11082 if (error) { 11083 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11084 "1412 Failed to set up driver resource.\n"); 11085 goto out_unset_pci_mem_s4; 11086 } 11087 11088 /* Initialize and populate the iocb list per host */ 11089 11090 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 11091 "2821 initialize iocb list %d.\n", 11092 phba->cfg_iocb_cnt*1024); 11093 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024); 11094 11095 if (error) { 11096 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11097 "1413 Failed to initialize iocb list.\n"); 11098 goto out_unset_driver_resource_s4; 11099 } 11100 11101 INIT_LIST_HEAD(&phba->active_rrq_list); 11102 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); 11103 11104 /* Set up common device driver resources */ 11105 error = lpfc_setup_driver_resource_phase2(phba); 11106 if (error) { 11107 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11108 "1414 Failed to set up driver resource.\n"); 11109 goto out_free_iocb_list; 11110 } 11111 11112 /* Get the default values for Model Name and Description */ 11113 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 11114 11115 /* Create SCSI host to the physical port */ 11116 error = lpfc_create_shost(phba); 11117 if (error) { 11118 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11119 "1415 Failed to create scsi host.\n"); 11120 goto out_unset_driver_resource; 11121 } 11122 11123 /* Configure sysfs attributes */ 11124 vport = phba->pport; 11125 error = lpfc_alloc_sysfs_attr(vport); 11126 if (error) { 11127 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11128 "1416 Failed to allocate sysfs attr\n"); 11129 goto out_destroy_shost; 11130 } 11131 11132 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ 11133 /* Now, trying to enable interrupt and bring up the device */ 11134 cfg_mode = phba->cfg_use_msi; 11135 11136 /* Put device to a known state before enabling interrupt */ 11137 lpfc_stop_port(phba); 11138 11139 /* Configure and enable interrupt */ 11140 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); 11141 if (intr_mode == LPFC_INTR_ERROR) { 11142 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11143 "0426 Failed to enable interrupt.\n"); 11144 error = -ENODEV; 11145 goto out_free_sysfs_attr; 11146 } 11147 /* Default to single EQ for non-MSI-X */ 11148 if (phba->intr_type != MSIX) { 11149 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) 11150 phba->cfg_fcp_io_channel = 1; 11151 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { 11152 phba->cfg_nvme_io_channel = 1; 11153 if (phba->nvmet_support) 11154 phba->cfg_nvmet_mrq = 1; 11155 } 11156 phba->io_channel_irqs = 1; 11157 } 11158 11159 /* Set up SLI-4 HBA */ 11160 if (lpfc_sli4_hba_setup(phba)) { 11161 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11162 "1421 Failed to set up hba\n"); 11163 error = -ENODEV; 11164 goto out_disable_intr; 11165 } 11166 11167 /* Log the current active interrupt mode */ 11168 phba->intr_mode = intr_mode; 11169 lpfc_log_intr_mode(phba, intr_mode); 11170 11171 /* Perform post initialization setup */ 11172 lpfc_post_init_setup(phba); 11173 11174 /* NVME support in FW earlier in the driver load corrects the 11175 * FC4 type making a check for nvme_support unnecessary. 11176 */ 11177 if ((phba->nvmet_support == 0) && 11178 (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { 11179 /* Create NVME binding with nvme_fc_transport. This 11180 * ensures the vport is initialized. 11181 */ 11182 error = lpfc_nvme_create_localport(vport); 11183 if (error) { 11184 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11185 "6004 NVME registration failed, " 11186 "error x%x\n", 11187 error); 11188 goto out_disable_intr; 11189 } 11190 } 11191 11192 /* check for firmware upgrade or downgrade */ 11193 if (phba->cfg_request_firmware_upgrade) 11194 lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); 11195 11196 /* Check if there are static vports to be created. */ 11197 lpfc_create_static_vport(phba); 11198 return 0; 11199 11200 out_disable_intr: 11201 lpfc_sli4_disable_intr(phba); 11202 out_free_sysfs_attr: 11203 lpfc_free_sysfs_attr(vport); 11204 out_destroy_shost: 11205 lpfc_destroy_shost(phba); 11206 out_unset_driver_resource: 11207 lpfc_unset_driver_resource_phase2(phba); 11208 out_free_iocb_list: 11209 lpfc_free_iocb_list(phba); 11210 out_unset_driver_resource_s4: 11211 lpfc_sli4_driver_resource_unset(phba); 11212 out_unset_pci_mem_s4: 11213 lpfc_sli4_pci_mem_unset(phba); 11214 out_disable_pci_dev: 11215 lpfc_disable_pci_dev(phba); 11216 if (shost) 11217 scsi_host_put(shost); 11218 out_free_phba: 11219 lpfc_hba_free(phba); 11220 return error; 11221 } 11222 11223 /** 11224 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem 11225 * @pdev: pointer to PCI device 11226 * 11227 * This routine is called from the kernel's PCI subsystem to device with 11228 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is 11229 * removed from PCI bus, it performs all the necessary cleanup for the HBA 11230 * device to be removed from the PCI subsystem properly. 11231 **/ 11232 static void 11233 lpfc_pci_remove_one_s4(struct pci_dev *pdev) 11234 { 11235 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11236 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 11237 struct lpfc_vport **vports; 11238 struct lpfc_hba *phba = vport->phba; 11239 int i; 11240 11241 /* Mark the device unloading flag */ 11242 spin_lock_irq(&phba->hbalock); 11243 vport->load_flag |= FC_UNLOADING; 11244 spin_unlock_irq(&phba->hbalock); 11245 11246 /* Free the HBA sysfs attributes */ 11247 lpfc_free_sysfs_attr(vport); 11248 11249 /* Release all the vports against this physical port */ 11250 vports = lpfc_create_vport_work_array(phba); 11251 if (vports != NULL) 11252 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 11253 if (vports[i]->port_type == LPFC_PHYSICAL_PORT) 11254 continue; 11255 fc_vport_terminate(vports[i]->fc_vport); 11256 } 11257 lpfc_destroy_vport_work_array(phba, vports); 11258 11259 /* Remove FC host and then SCSI host with the physical port */ 11260 fc_remove_host(shost); 11261 scsi_remove_host(shost); 11262 11263 /* Perform ndlp cleanup on the physical port. The nvme and nvmet 11264 * localports are destroyed after to cleanup all transport memory. 11265 */ 11266 lpfc_cleanup(vport); 11267 lpfc_nvmet_destroy_targetport(phba); 11268 lpfc_nvme_destroy_localport(vport); 11269 11270 /* 11271 * Bring down the SLI Layer. This step disables all interrupts, 11272 * clears the rings, discards all mailbox commands, and resets 11273 * the HBA FCoE function. 11274 */ 11275 lpfc_debugfs_terminate(vport); 11276 lpfc_sli4_hba_unset(phba); 11277 11278 spin_lock_irq(&phba->hbalock); 11279 list_del_init(&vport->listentry); 11280 spin_unlock_irq(&phba->hbalock); 11281 11282 /* Perform scsi free before driver resource_unset since scsi 11283 * buffers are released to their corresponding pools here. 11284 */ 11285 lpfc_scsi_free(phba); 11286 lpfc_nvme_free(phba); 11287 lpfc_free_iocb_list(phba); 11288 11289 lpfc_sli4_driver_resource_unset(phba); 11290 11291 /* Unmap adapter Control and Doorbell registers */ 11292 lpfc_sli4_pci_mem_unset(phba); 11293 11294 /* Release PCI resources and disable device's PCI function */ 11295 scsi_host_put(shost); 11296 lpfc_disable_pci_dev(phba); 11297 11298 /* Finally, free the driver's device data structure */ 11299 lpfc_hba_free(phba); 11300 11301 return; 11302 } 11303 11304 /** 11305 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt 11306 * @pdev: pointer to PCI device 11307 * @msg: power management message 11308 * 11309 * This routine is called from the kernel's PCI subsystem to support system 11310 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes 11311 * this method, it quiesces the device by stopping the driver's worker 11312 * thread for the device, turning off device's interrupt and DMA, and bring 11313 * the device offline. Note that as the driver implements the minimum PM 11314 * requirements to a power-aware driver's PM support for suspend/resume -- all 11315 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() 11316 * method call will be treated as SUSPEND and the driver will fully 11317 * reinitialize its device during resume() method call, the driver will set 11318 * device to PCI_D3hot state in PCI config space instead of setting it 11319 * according to the @msg provided by the PM. 11320 * 11321 * Return code 11322 * 0 - driver suspended the device 11323 * Error otherwise 11324 **/ 11325 static int 11326 lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) 11327 { 11328 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11329 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11330 11331 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 11332 "2843 PCI device Power Management suspend.\n"); 11333 11334 /* Bring down the device */ 11335 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 11336 lpfc_offline(phba); 11337 kthread_stop(phba->worker_thread); 11338 11339 /* Disable interrupt from device */ 11340 lpfc_sli4_disable_intr(phba); 11341 lpfc_sli4_queue_destroy(phba); 11342 11343 /* Save device state to PCI config space */ 11344 pci_save_state(pdev); 11345 pci_set_power_state(pdev, PCI_D3hot); 11346 11347 return 0; 11348 } 11349 11350 /** 11351 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt 11352 * @pdev: pointer to PCI device 11353 * 11354 * This routine is called from the kernel's PCI subsystem to support system 11355 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes 11356 * this method, it restores the device's PCI config space state and fully 11357 * reinitializes the device and brings it online. Note that as the driver 11358 * implements the minimum PM requirements to a power-aware driver's PM for 11359 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) 11360 * to the suspend() method call will be treated as SUSPEND and the driver 11361 * will fully reinitialize its device during resume() method call, the device 11362 * will be set to PCI_D0 directly in PCI config space before restoring the 11363 * state. 11364 * 11365 * Return code 11366 * 0 - driver suspended the device 11367 * Error otherwise 11368 **/ 11369 static int 11370 lpfc_pci_resume_one_s4(struct pci_dev *pdev) 11371 { 11372 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11373 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11374 uint32_t intr_mode; 11375 int error; 11376 11377 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 11378 "0292 PCI device Power Management resume.\n"); 11379 11380 /* Restore device state from PCI config space */ 11381 pci_set_power_state(pdev, PCI_D0); 11382 pci_restore_state(pdev); 11383 11384 /* 11385 * As the new kernel behavior of pci_restore_state() API call clears 11386 * device saved_state flag, need to save the restored state again. 11387 */ 11388 pci_save_state(pdev); 11389 11390 if (pdev->is_busmaster) 11391 pci_set_master(pdev); 11392 11393 /* Startup the kernel thread for this host adapter. */ 11394 phba->worker_thread = kthread_run(lpfc_do_work, phba, 11395 "lpfc_worker_%d", phba->brd_no); 11396 if (IS_ERR(phba->worker_thread)) { 11397 error = PTR_ERR(phba->worker_thread); 11398 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11399 "0293 PM resume failed to start worker " 11400 "thread: error=x%x.\n", error); 11401 return error; 11402 } 11403 11404 /* Configure and enable interrupt */ 11405 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); 11406 if (intr_mode == LPFC_INTR_ERROR) { 11407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11408 "0294 PM resume Failed to enable interrupt\n"); 11409 return -EIO; 11410 } else 11411 phba->intr_mode = intr_mode; 11412 11413 /* Restart HBA and bring it online */ 11414 lpfc_sli_brdrestart(phba); 11415 lpfc_online(phba); 11416 11417 /* Log the current active interrupt mode */ 11418 lpfc_log_intr_mode(phba, phba->intr_mode); 11419 11420 return 0; 11421 } 11422 11423 /** 11424 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover 11425 * @phba: pointer to lpfc hba data structure. 11426 * 11427 * This routine is called to prepare the SLI4 device for PCI slot recover. It 11428 * aborts all the outstanding SCSI I/Os to the pci device. 11429 **/ 11430 static void 11431 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) 11432 { 11433 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11434 "2828 PCI channel I/O abort preparing for recovery\n"); 11435 /* 11436 * There may be errored I/Os through HBA, abort all I/Os on txcmplq 11437 * and let the SCSI mid-layer to retry them to recover. 11438 */ 11439 lpfc_sli_abort_fcp_rings(phba); 11440 } 11441 11442 /** 11443 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset 11444 * @phba: pointer to lpfc hba data structure. 11445 * 11446 * This routine is called to prepare the SLI4 device for PCI slot reset. It 11447 * disables the device interrupt and pci device, and aborts the internal FCP 11448 * pending I/Os. 11449 **/ 11450 static void 11451 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) 11452 { 11453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11454 "2826 PCI channel disable preparing for reset\n"); 11455 11456 /* Block any management I/Os to the device */ 11457 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); 11458 11459 /* Block all SCSI devices' I/Os on the host */ 11460 lpfc_scsi_dev_block(phba); 11461 11462 /* Flush all driver's outstanding SCSI I/Os as we are to reset */ 11463 lpfc_sli_flush_fcp_rings(phba); 11464 11465 /* stop all timers */ 11466 lpfc_stop_hba_timers(phba); 11467 11468 /* Disable interrupt and pci device */ 11469 lpfc_sli4_disable_intr(phba); 11470 lpfc_sli4_queue_destroy(phba); 11471 pci_disable_device(phba->pcidev); 11472 } 11473 11474 /** 11475 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable 11476 * @phba: pointer to lpfc hba data structure. 11477 * 11478 * This routine is called to prepare the SLI4 device for PCI slot permanently 11479 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP 11480 * pending I/Os. 11481 **/ 11482 static void 11483 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) 11484 { 11485 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11486 "2827 PCI channel permanent disable for failure\n"); 11487 11488 /* Block all SCSI devices' I/Os on the host */ 11489 lpfc_scsi_dev_block(phba); 11490 11491 /* stop all timers */ 11492 lpfc_stop_hba_timers(phba); 11493 11494 /* Clean up all driver's outstanding SCSI I/Os */ 11495 lpfc_sli_flush_fcp_rings(phba); 11496 } 11497 11498 /** 11499 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device 11500 * @pdev: pointer to PCI device. 11501 * @state: the current PCI connection state. 11502 * 11503 * This routine is called from the PCI subsystem for error handling to device 11504 * with SLI-4 interface spec. This function is called by the PCI subsystem 11505 * after a PCI bus error affecting this device has been detected. When this 11506 * function is invoked, it will need to stop all the I/Os and interrupt(s) 11507 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET 11508 * for the PCI subsystem to perform proper recovery as desired. 11509 * 11510 * Return codes 11511 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery 11512 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 11513 **/ 11514 static pci_ers_result_t 11515 lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) 11516 { 11517 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11518 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11519 11520 switch (state) { 11521 case pci_channel_io_normal: 11522 /* Non-fatal error, prepare for recovery */ 11523 lpfc_sli4_prep_dev_for_recover(phba); 11524 return PCI_ERS_RESULT_CAN_RECOVER; 11525 case pci_channel_io_frozen: 11526 /* Fatal error, prepare for slot reset */ 11527 lpfc_sli4_prep_dev_for_reset(phba); 11528 return PCI_ERS_RESULT_NEED_RESET; 11529 case pci_channel_io_perm_failure: 11530 /* Permanent failure, prepare for device down */ 11531 lpfc_sli4_prep_dev_for_perm_failure(phba); 11532 return PCI_ERS_RESULT_DISCONNECT; 11533 default: 11534 /* Unknown state, prepare and request slot reset */ 11535 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11536 "2825 Unknown PCI error state: x%x\n", state); 11537 lpfc_sli4_prep_dev_for_reset(phba); 11538 return PCI_ERS_RESULT_NEED_RESET; 11539 } 11540 } 11541 11542 /** 11543 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch 11544 * @pdev: pointer to PCI device. 11545 * 11546 * This routine is called from the PCI subsystem for error handling to device 11547 * with SLI-4 interface spec. It is called after PCI bus has been reset to 11548 * restart the PCI card from scratch, as if from a cold-boot. During the 11549 * PCI subsystem error recovery, after the driver returns 11550 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error 11551 * recovery and then call this routine before calling the .resume method to 11552 * recover the device. This function will initialize the HBA device, enable 11553 * the interrupt, but it will just put the HBA to offline state without 11554 * passing any I/O traffic. 11555 * 11556 * Return codes 11557 * PCI_ERS_RESULT_RECOVERED - the device has been recovered 11558 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 11559 */ 11560 static pci_ers_result_t 11561 lpfc_io_slot_reset_s4(struct pci_dev *pdev) 11562 { 11563 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11564 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11565 struct lpfc_sli *psli = &phba->sli; 11566 uint32_t intr_mode; 11567 11568 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 11569 if (pci_enable_device_mem(pdev)) { 11570 printk(KERN_ERR "lpfc: Cannot re-enable " 11571 "PCI device after reset.\n"); 11572 return PCI_ERS_RESULT_DISCONNECT; 11573 } 11574 11575 pci_restore_state(pdev); 11576 11577 /* 11578 * As the new kernel behavior of pci_restore_state() API call clears 11579 * device saved_state flag, need to save the restored state again. 11580 */ 11581 pci_save_state(pdev); 11582 11583 if (pdev->is_busmaster) 11584 pci_set_master(pdev); 11585 11586 spin_lock_irq(&phba->hbalock); 11587 psli->sli_flag &= ~LPFC_SLI_ACTIVE; 11588 spin_unlock_irq(&phba->hbalock); 11589 11590 /* Configure and enable interrupt */ 11591 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); 11592 if (intr_mode == LPFC_INTR_ERROR) { 11593 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11594 "2824 Cannot re-enable interrupt after " 11595 "slot reset.\n"); 11596 return PCI_ERS_RESULT_DISCONNECT; 11597 } else 11598 phba->intr_mode = intr_mode; 11599 11600 /* Log the current active interrupt mode */ 11601 lpfc_log_intr_mode(phba, phba->intr_mode); 11602 11603 return PCI_ERS_RESULT_RECOVERED; 11604 } 11605 11606 /** 11607 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device 11608 * @pdev: pointer to PCI device 11609 * 11610 * This routine is called from the PCI subsystem for error handling to device 11611 * with SLI-4 interface spec. It is called when kernel error recovery tells 11612 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus 11613 * error recovery. After this call, traffic can start to flow from this device 11614 * again. 11615 **/ 11616 static void 11617 lpfc_io_resume_s4(struct pci_dev *pdev) 11618 { 11619 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11620 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11621 11622 /* 11623 * In case of slot reset, as function reset is performed through 11624 * mailbox command which needs DMA to be enabled, this operation 11625 * has to be moved to the io resume phase. Taking device offline 11626 * will perform the necessary cleanup. 11627 */ 11628 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { 11629 /* Perform device reset */ 11630 lpfc_offline_prep(phba, LPFC_MBX_WAIT); 11631 lpfc_offline(phba); 11632 lpfc_sli_brdrestart(phba); 11633 /* Bring the device back online */ 11634 lpfc_online(phba); 11635 } 11636 11637 /* Clean up Advanced Error Reporting (AER) if needed */ 11638 if (phba->hba_flag & HBA_AER_ENABLED) 11639 pci_cleanup_aer_uncorrect_error_status(pdev); 11640 } 11641 11642 /** 11643 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem 11644 * @pdev: pointer to PCI device 11645 * @pid: pointer to PCI device identifier 11646 * 11647 * This routine is to be registered to the kernel's PCI subsystem. When an 11648 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks 11649 * at PCI device-specific information of the device and driver to see if the 11650 * driver state that it can support this kind of device. If the match is 11651 * successful, the driver core invokes this routine. This routine dispatches 11652 * the action to the proper SLI-3 or SLI-4 device probing routine, which will 11653 * do all the initialization that it needs to do to handle the HBA device 11654 * properly. 11655 * 11656 * Return code 11657 * 0 - driver can claim the device 11658 * negative value - driver can not claim the device 11659 **/ 11660 static int 11661 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 11662 { 11663 int rc; 11664 struct lpfc_sli_intf intf; 11665 11666 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) 11667 return -ENODEV; 11668 11669 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && 11670 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) 11671 rc = lpfc_pci_probe_one_s4(pdev, pid); 11672 else 11673 rc = lpfc_pci_probe_one_s3(pdev, pid); 11674 11675 return rc; 11676 } 11677 11678 /** 11679 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem 11680 * @pdev: pointer to PCI device 11681 * 11682 * This routine is to be registered to the kernel's PCI subsystem. When an 11683 * Emulex HBA is removed from PCI bus, the driver core invokes this routine. 11684 * This routine dispatches the action to the proper SLI-3 or SLI-4 device 11685 * remove routine, which will perform all the necessary cleanup for the 11686 * device to be removed from the PCI subsystem properly. 11687 **/ 11688 static void 11689 lpfc_pci_remove_one(struct pci_dev *pdev) 11690 { 11691 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11692 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11693 11694 switch (phba->pci_dev_grp) { 11695 case LPFC_PCI_DEV_LP: 11696 lpfc_pci_remove_one_s3(pdev); 11697 break; 11698 case LPFC_PCI_DEV_OC: 11699 lpfc_pci_remove_one_s4(pdev); 11700 break; 11701 default: 11702 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11703 "1424 Invalid PCI device group: 0x%x\n", 11704 phba->pci_dev_grp); 11705 break; 11706 } 11707 return; 11708 } 11709 11710 /** 11711 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management 11712 * @pdev: pointer to PCI device 11713 * @msg: power management message 11714 * 11715 * This routine is to be registered to the kernel's PCI subsystem to support 11716 * system Power Management (PM). When PM invokes this method, it dispatches 11717 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will 11718 * suspend the device. 11719 * 11720 * Return code 11721 * 0 - driver suspended the device 11722 * Error otherwise 11723 **/ 11724 static int 11725 lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) 11726 { 11727 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11728 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11729 int rc = -ENODEV; 11730 11731 switch (phba->pci_dev_grp) { 11732 case LPFC_PCI_DEV_LP: 11733 rc = lpfc_pci_suspend_one_s3(pdev, msg); 11734 break; 11735 case LPFC_PCI_DEV_OC: 11736 rc = lpfc_pci_suspend_one_s4(pdev, msg); 11737 break; 11738 default: 11739 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11740 "1425 Invalid PCI device group: 0x%x\n", 11741 phba->pci_dev_grp); 11742 break; 11743 } 11744 return rc; 11745 } 11746 11747 /** 11748 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management 11749 * @pdev: pointer to PCI device 11750 * 11751 * This routine is to be registered to the kernel's PCI subsystem to support 11752 * system Power Management (PM). When PM invokes this method, it dispatches 11753 * the action to the proper SLI-3 or SLI-4 device resume routine, which will 11754 * resume the device. 11755 * 11756 * Return code 11757 * 0 - driver suspended the device 11758 * Error otherwise 11759 **/ 11760 static int 11761 lpfc_pci_resume_one(struct pci_dev *pdev) 11762 { 11763 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11764 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11765 int rc = -ENODEV; 11766 11767 switch (phba->pci_dev_grp) { 11768 case LPFC_PCI_DEV_LP: 11769 rc = lpfc_pci_resume_one_s3(pdev); 11770 break; 11771 case LPFC_PCI_DEV_OC: 11772 rc = lpfc_pci_resume_one_s4(pdev); 11773 break; 11774 default: 11775 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11776 "1426 Invalid PCI device group: 0x%x\n", 11777 phba->pci_dev_grp); 11778 break; 11779 } 11780 return rc; 11781 } 11782 11783 /** 11784 * lpfc_io_error_detected - lpfc method for handling PCI I/O error 11785 * @pdev: pointer to PCI device. 11786 * @state: the current PCI connection state. 11787 * 11788 * This routine is registered to the PCI subsystem for error handling. This 11789 * function is called by the PCI subsystem after a PCI bus error affecting 11790 * this device has been detected. When this routine is invoked, it dispatches 11791 * the action to the proper SLI-3 or SLI-4 device error detected handling 11792 * routine, which will perform the proper error detected operation. 11793 * 11794 * Return codes 11795 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery 11796 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 11797 **/ 11798 static pci_ers_result_t 11799 lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 11800 { 11801 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11802 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11803 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; 11804 11805 switch (phba->pci_dev_grp) { 11806 case LPFC_PCI_DEV_LP: 11807 rc = lpfc_io_error_detected_s3(pdev, state); 11808 break; 11809 case LPFC_PCI_DEV_OC: 11810 rc = lpfc_io_error_detected_s4(pdev, state); 11811 break; 11812 default: 11813 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11814 "1427 Invalid PCI device group: 0x%x\n", 11815 phba->pci_dev_grp); 11816 break; 11817 } 11818 return rc; 11819 } 11820 11821 /** 11822 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch 11823 * @pdev: pointer to PCI device. 11824 * 11825 * This routine is registered to the PCI subsystem for error handling. This 11826 * function is called after PCI bus has been reset to restart the PCI card 11827 * from scratch, as if from a cold-boot. When this routine is invoked, it 11828 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling 11829 * routine, which will perform the proper device reset. 11830 * 11831 * Return codes 11832 * PCI_ERS_RESULT_RECOVERED - the device has been recovered 11833 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered 11834 **/ 11835 static pci_ers_result_t 11836 lpfc_io_slot_reset(struct pci_dev *pdev) 11837 { 11838 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11839 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11840 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; 11841 11842 switch (phba->pci_dev_grp) { 11843 case LPFC_PCI_DEV_LP: 11844 rc = lpfc_io_slot_reset_s3(pdev); 11845 break; 11846 case LPFC_PCI_DEV_OC: 11847 rc = lpfc_io_slot_reset_s4(pdev); 11848 break; 11849 default: 11850 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11851 "1428 Invalid PCI device group: 0x%x\n", 11852 phba->pci_dev_grp); 11853 break; 11854 } 11855 return rc; 11856 } 11857 11858 /** 11859 * lpfc_io_resume - lpfc method for resuming PCI I/O operation 11860 * @pdev: pointer to PCI device 11861 * 11862 * This routine is registered to the PCI subsystem for error handling. It 11863 * is called when kernel error recovery tells the lpfc driver that it is 11864 * OK to resume normal PCI operation after PCI bus error recovery. When 11865 * this routine is invoked, it dispatches the action to the proper SLI-3 11866 * or SLI-4 device io_resume routine, which will resume the device operation. 11867 **/ 11868 static void 11869 lpfc_io_resume(struct pci_dev *pdev) 11870 { 11871 struct Scsi_Host *shost = pci_get_drvdata(pdev); 11872 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 11873 11874 switch (phba->pci_dev_grp) { 11875 case LPFC_PCI_DEV_LP: 11876 lpfc_io_resume_s3(pdev); 11877 break; 11878 case LPFC_PCI_DEV_OC: 11879 lpfc_io_resume_s4(pdev); 11880 break; 11881 default: 11882 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 11883 "1429 Invalid PCI device group: 0x%x\n", 11884 phba->pci_dev_grp); 11885 break; 11886 } 11887 return; 11888 } 11889 11890 /** 11891 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter 11892 * @phba: pointer to lpfc hba data structure. 11893 * 11894 * This routine checks to see if OAS is supported for this adapter. If 11895 * supported, the configure Flash Optimized Fabric flag is set. Otherwise, 11896 * the enable oas flag is cleared and the pool created for OAS device data 11897 * is destroyed. 11898 * 11899 **/ 11900 void 11901 lpfc_sli4_oas_verify(struct lpfc_hba *phba) 11902 { 11903 11904 if (!phba->cfg_EnableXLane) 11905 return; 11906 11907 if (phba->sli4_hba.pc_sli4_params.oas_supported) { 11908 phba->cfg_fof = 1; 11909 } else { 11910 phba->cfg_fof = 0; 11911 if (phba->device_data_mem_pool) 11912 mempool_destroy(phba->device_data_mem_pool); 11913 phba->device_data_mem_pool = NULL; 11914 } 11915 11916 return; 11917 } 11918 11919 /** 11920 * lpfc_fof_queue_setup - Set up all the fof queues 11921 * @phba: pointer to lpfc hba data structure. 11922 * 11923 * This routine is invoked to set up all the fof queues for the FC HBA 11924 * operation. 11925 * 11926 * Return codes 11927 * 0 - successful 11928 * -ENOMEM - No available memory 11929 **/ 11930 int 11931 lpfc_fof_queue_setup(struct lpfc_hba *phba) 11932 { 11933 struct lpfc_sli_ring *pring; 11934 int rc; 11935 11936 rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX); 11937 if (rc) 11938 return -ENOMEM; 11939 11940 if (phba->cfg_fof) { 11941 11942 rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq, 11943 phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP); 11944 if (rc) 11945 goto out_oas_cq; 11946 11947 rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq, 11948 phba->sli4_hba.oas_cq, LPFC_FCP); 11949 if (rc) 11950 goto out_oas_wq; 11951 11952 /* Bind this CQ/WQ to the NVME ring */ 11953 pring = phba->sli4_hba.oas_wq->pring; 11954 pring->sli.sli4.wqp = 11955 (void *)phba->sli4_hba.oas_wq; 11956 phba->sli4_hba.oas_cq->pring = pring; 11957 } 11958 11959 return 0; 11960 11961 out_oas_wq: 11962 lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq); 11963 out_oas_cq: 11964 lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq); 11965 return rc; 11966 11967 } 11968 11969 /** 11970 * lpfc_fof_queue_create - Create all the fof queues 11971 * @phba: pointer to lpfc hba data structure. 11972 * 11973 * This routine is invoked to allocate all the fof queues for the FC HBA 11974 * operation. For each SLI4 queue type, the parameters such as queue entry 11975 * count (queue depth) shall be taken from the module parameter. For now, 11976 * we just use some constant number as place holder. 11977 * 11978 * Return codes 11979 * 0 - successful 11980 * -ENOMEM - No availble memory 11981 * -EIO - The mailbox failed to complete successfully. 11982 **/ 11983 int 11984 lpfc_fof_queue_create(struct lpfc_hba *phba) 11985 { 11986 struct lpfc_queue *qdesc; 11987 11988 /* Create FOF EQ */ 11989 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, 11990 phba->sli4_hba.eq_ecount); 11991 if (!qdesc) 11992 goto out_error; 11993 11994 phba->sli4_hba.fof_eq = qdesc; 11995 11996 if (phba->cfg_fof) { 11997 11998 /* Create OAS CQ */ 11999 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, 12000 phba->sli4_hba.cq_ecount); 12001 if (!qdesc) 12002 goto out_error; 12003 12004 phba->sli4_hba.oas_cq = qdesc; 12005 12006 /* Create OAS WQ */ 12007 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, 12008 phba->sli4_hba.wq_ecount); 12009 if (!qdesc) 12010 goto out_error; 12011 12012 phba->sli4_hba.oas_wq = qdesc; 12013 list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); 12014 12015 } 12016 return 0; 12017 12018 out_error: 12019 lpfc_fof_queue_destroy(phba); 12020 return -ENOMEM; 12021 } 12022 12023 /** 12024 * lpfc_fof_queue_destroy - Destroy all the fof queues 12025 * @phba: pointer to lpfc hba data structure. 12026 * 12027 * This routine is invoked to release all the SLI4 queues with the FC HBA 12028 * operation. 12029 * 12030 * Return codes 12031 * 0 - successful 12032 **/ 12033 int 12034 lpfc_fof_queue_destroy(struct lpfc_hba *phba) 12035 { 12036 /* Release FOF Event queue */ 12037 if (phba->sli4_hba.fof_eq != NULL) { 12038 lpfc_sli4_queue_free(phba->sli4_hba.fof_eq); 12039 phba->sli4_hba.fof_eq = NULL; 12040 } 12041 12042 /* Release OAS Completion queue */ 12043 if (phba->sli4_hba.oas_cq != NULL) { 12044 lpfc_sli4_queue_free(phba->sli4_hba.oas_cq); 12045 phba->sli4_hba.oas_cq = NULL; 12046 } 12047 12048 /* Release OAS Work queue */ 12049 if (phba->sli4_hba.oas_wq != NULL) { 12050 lpfc_sli4_queue_free(phba->sli4_hba.oas_wq); 12051 phba->sli4_hba.oas_wq = NULL; 12052 } 12053 return 0; 12054 } 12055 12056 MODULE_DEVICE_TABLE(pci, lpfc_id_table); 12057 12058 static const struct pci_error_handlers lpfc_err_handler = { 12059 .error_detected = lpfc_io_error_detected, 12060 .slot_reset = lpfc_io_slot_reset, 12061 .resume = lpfc_io_resume, 12062 }; 12063 12064 static struct pci_driver lpfc_driver = { 12065 .name = LPFC_DRIVER_NAME, 12066 .id_table = lpfc_id_table, 12067 .probe = lpfc_pci_probe_one, 12068 .remove = lpfc_pci_remove_one, 12069 .shutdown = lpfc_pci_remove_one, 12070 .suspend = lpfc_pci_suspend_one, 12071 .resume = lpfc_pci_resume_one, 12072 .err_handler = &lpfc_err_handler, 12073 }; 12074 12075 static const struct file_operations lpfc_mgmt_fop = { 12076 .owner = THIS_MODULE, 12077 }; 12078 12079 static struct miscdevice lpfc_mgmt_dev = { 12080 .minor = MISC_DYNAMIC_MINOR, 12081 .name = "lpfcmgmt", 12082 .fops = &lpfc_mgmt_fop, 12083 }; 12084 12085 /** 12086 * lpfc_init - lpfc module initialization routine 12087 * 12088 * This routine is to be invoked when the lpfc module is loaded into the 12089 * kernel. The special kernel macro module_init() is used to indicate the 12090 * role of this routine to the kernel as lpfc module entry point. 12091 * 12092 * Return codes 12093 * 0 - successful 12094 * -ENOMEM - FC attach transport failed 12095 * all others - failed 12096 */ 12097 static int __init 12098 lpfc_init(void) 12099 { 12100 int error = 0; 12101 12102 printk(LPFC_MODULE_DESC "\n"); 12103 printk(LPFC_COPYRIGHT "\n"); 12104 12105 error = misc_register(&lpfc_mgmt_dev); 12106 if (error) 12107 printk(KERN_ERR "Could not register lpfcmgmt device, " 12108 "misc_register returned with status %d", error); 12109 12110 lpfc_transport_functions.vport_create = lpfc_vport_create; 12111 lpfc_transport_functions.vport_delete = lpfc_vport_delete; 12112 lpfc_transport_template = 12113 fc_attach_transport(&lpfc_transport_functions); 12114 if (lpfc_transport_template == NULL) 12115 return -ENOMEM; 12116 lpfc_vport_transport_template = 12117 fc_attach_transport(&lpfc_vport_transport_functions); 12118 if (lpfc_vport_transport_template == NULL) { 12119 fc_release_transport(lpfc_transport_template); 12120 return -ENOMEM; 12121 } 12122 12123 /* Initialize in case vector mapping is needed */ 12124 lpfc_used_cpu = NULL; 12125 lpfc_present_cpu = num_present_cpus(); 12126 12127 error = pci_register_driver(&lpfc_driver); 12128 if (error) { 12129 fc_release_transport(lpfc_transport_template); 12130 fc_release_transport(lpfc_vport_transport_template); 12131 } 12132 12133 return error; 12134 } 12135 12136 /** 12137 * lpfc_exit - lpfc module removal routine 12138 * 12139 * This routine is invoked when the lpfc module is removed from the kernel. 12140 * The special kernel macro module_exit() is used to indicate the role of 12141 * this routine to the kernel as lpfc module exit point. 12142 */ 12143 static void __exit 12144 lpfc_exit(void) 12145 { 12146 misc_deregister(&lpfc_mgmt_dev); 12147 pci_unregister_driver(&lpfc_driver); 12148 fc_release_transport(lpfc_transport_template); 12149 fc_release_transport(lpfc_vport_transport_template); 12150 if (_dump_buf_data) { 12151 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " 12152 "_dump_buf_data at 0x%p\n", 12153 (1L << _dump_buf_data_order), _dump_buf_data); 12154 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); 12155 } 12156 12157 if (_dump_buf_dif) { 12158 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " 12159 "_dump_buf_dif at 0x%p\n", 12160 (1L << _dump_buf_dif_order), _dump_buf_dif); 12161 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); 12162 } 12163 kfree(lpfc_used_cpu); 12164 idr_destroy(&lpfc_hba_index); 12165 } 12166 12167 module_init(lpfc_init); 12168 module_exit(lpfc_exit); 12169 MODULE_LICENSE("GPL"); 12170 MODULE_DESCRIPTION(LPFC_MODULE_DESC); 12171 MODULE_AUTHOR("Broadcom"); 12172 MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 12173