1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8 * * 9 * This program is free software; you can redistribute it and/or * 10 * modify it under the terms of version 2 of the GNU General * 11 * Public License as published by the Free Software Foundation. * 12 * This program is distributed in the hope that it will be useful. * 13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17 * TO BE LEGALLY INVALID. See the GNU General Public License for * 18 * more details, a copy of which can be found in the file COPYING * 19 * included with this package. * 20 *******************************************************************/ 21 22 #include <linux/blkdev.h> 23 #include <linux/delay.h> 24 #include <linux/dma-mapping.h> 25 #include <linux/idr.h> 26 #include <linux/interrupt.h> 27 #include <linux/kthread.h> 28 #include <linux/pci.h> 29 #include <linux/spinlock.h> 30 #include <linux/ctype.h> 31 32 #include <scsi/scsi.h> 33 #include <scsi/scsi_device.h> 34 #include <scsi/scsi_host.h> 35 #include <scsi/scsi_transport_fc.h> 36 37 #include "lpfc_hw.h" 38 #include "lpfc_sli.h" 39 #include "lpfc_disc.h" 40 #include "lpfc_scsi.h" 41 #include "lpfc.h" 42 #include "lpfc_logmsg.h" 43 #include "lpfc_crtn.h" 44 #include "lpfc_vport.h" 45 #include "lpfc_version.h" 46 47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); 48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); 49 static int lpfc_post_rcv_buf(struct lpfc_hba *); 50 51 static struct scsi_transport_template *lpfc_transport_template = NULL; 52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL; 53 static DEFINE_IDR(lpfc_hba_index); 54 55 /************************************************************************/ 56 /* */ 57 /* lpfc_config_port_prep */ 58 /* This routine will do LPFC initialization prior to the */ 59 /* CONFIG_PORT mailbox command. This will be initialized */ 60 /* as a SLI layer callback routine. */ 61 /* This routine returns 0 on success or -ERESTART if it wants */ 62 /* the SLI layer to reset the HBA and try again. Any */ 63 /* other return value indicates an error. */ 64 /* */ 65 /************************************************************************/ 66 int 67 lpfc_config_port_prep(struct lpfc_hba *phba) 68 { 69 lpfc_vpd_t *vp = &phba->vpd; 70 int i = 0, rc; 71 LPFC_MBOXQ_t *pmb; 72 MAILBOX_t *mb; 73 char *lpfc_vpd_data = NULL; 74 uint16_t offset = 0; 75 static char licensed[56] = 76 "key unlock for use with gnu public licensed code only\0"; 77 static int init_key = 1; 78 79 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 80 if (!pmb) { 81 phba->link_state = LPFC_HBA_ERROR; 82 return -ENOMEM; 83 } 84 85 mb = &pmb->mb; 86 phba->link_state = LPFC_INIT_MBX_CMDS; 87 88 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 89 if (init_key) { 90 uint32_t *ptext = (uint32_t *) licensed; 91 92 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) 93 *ptext = cpu_to_be32(*ptext); 94 init_key = 0; 95 } 96 97 lpfc_read_nv(phba, pmb); 98 memset((char*)mb->un.varRDnvp.rsvd3, 0, 99 sizeof (mb->un.varRDnvp.rsvd3)); 100 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, 101 sizeof (licensed)); 102 103 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 104 105 if (rc != MBX_SUCCESS) { 106 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 107 "0324 Config Port initialization " 108 "error, mbxCmd x%x READ_NVPARM, " 109 "mbxStatus x%x\n", 110 mb->mbxCommand, mb->mbxStatus); 111 mempool_free(pmb, phba->mbox_mem_pool); 112 return -ERESTART; 113 } 114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, 115 sizeof(phba->wwnn)); 116 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, 117 sizeof(phba->wwpn)); 118 } 119 120 phba->sli3_options = 0x0; 121 122 /* Setup and issue mailbox READ REV command */ 123 lpfc_read_rev(phba, pmb); 124 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 125 if (rc != MBX_SUCCESS) { 126 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 127 "0439 Adapter failed to init, mbxCmd x%x " 128 "READ_REV, mbxStatus x%x\n", 129 mb->mbxCommand, mb->mbxStatus); 130 mempool_free( pmb, phba->mbox_mem_pool); 131 return -ERESTART; 132 } 133 134 135 /* 136 * The value of rr must be 1 since the driver set the cv field to 1. 137 * This setting requires the FW to set all revision fields. 138 */ 139 if (mb->un.varRdRev.rr == 0) { 140 vp->rev.rBit = 0; 141 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 142 "0440 Adapter failed to init, READ_REV has " 143 "missing revision information.\n"); 144 mempool_free(pmb, phba->mbox_mem_pool); 145 return -ERESTART; 146 } 147 148 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) 149 return -EINVAL; 150 151 /* Save information as VPD data */ 152 vp->rev.rBit = 1; 153 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); 154 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; 155 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); 156 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; 157 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); 158 vp->rev.biuRev = mb->un.varRdRev.biuRev; 159 vp->rev.smRev = mb->un.varRdRev.smRev; 160 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; 161 vp->rev.endecRev = mb->un.varRdRev.endecRev; 162 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; 163 vp->rev.fcphLow = mb->un.varRdRev.fcphLow; 164 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; 165 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; 166 vp->rev.postKernRev = mb->un.varRdRev.postKernRev; 167 vp->rev.opFwRev = mb->un.varRdRev.opFwRev; 168 169 /* If the sli feature level is less then 9, we must 170 * tear down all RPIs and VPIs on link down if NPIV 171 * is enabled. 172 */ 173 if (vp->rev.feaLevelHigh < 9) 174 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; 175 176 if (lpfc_is_LC_HBA(phba->pcidev->device)) 177 memcpy(phba->RandomData, (char *)&mb->un.varWords[24], 178 sizeof (phba->RandomData)); 179 180 /* Get adapter VPD information */ 181 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); 182 if (!pmb->context2) 183 goto out_free_mbox; 184 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); 185 if (!lpfc_vpd_data) 186 goto out_free_context2; 187 188 do { 189 lpfc_dump_mem(phba, pmb, offset); 190 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 191 192 if (rc != MBX_SUCCESS) { 193 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 194 "0441 VPD not present on adapter, " 195 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", 196 mb->mbxCommand, mb->mbxStatus); 197 mb->un.varDmp.word_cnt = 0; 198 } 199 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) 200 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; 201 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, 202 mb->un.varDmp.word_cnt); 203 offset += mb->un.varDmp.word_cnt; 204 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); 205 lpfc_parse_vpd(phba, lpfc_vpd_data, offset); 206 207 kfree(lpfc_vpd_data); 208 out_free_context2: 209 kfree(pmb->context2); 210 out_free_mbox: 211 mempool_free(pmb, phba->mbox_mem_pool); 212 return 0; 213 } 214 215 /* Completion handler for config async event mailbox command. */ 216 static void 217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 218 { 219 if (pmboxq->mb.mbxStatus == MBX_SUCCESS) 220 phba->temp_sensor_support = 1; 221 else 222 phba->temp_sensor_support = 0; 223 mempool_free(pmboxq, phba->mbox_mem_pool); 224 return; 225 } 226 227 /************************************************************************/ 228 /* */ 229 /* lpfc_config_port_post */ 230 /* This routine will do LPFC initialization after the */ 231 /* CONFIG_PORT mailbox command. This will be initialized */ 232 /* as a SLI layer callback routine. */ 233 /* This routine returns 0 on success. Any other return value */ 234 /* indicates an error. */ 235 /* */ 236 /************************************************************************/ 237 int 238 lpfc_config_port_post(struct lpfc_hba *phba) 239 { 240 struct lpfc_vport *vport = phba->pport; 241 LPFC_MBOXQ_t *pmb; 242 MAILBOX_t *mb; 243 struct lpfc_dmabuf *mp; 244 struct lpfc_sli *psli = &phba->sli; 245 uint32_t status, timeout; 246 int i, j; 247 int rc; 248 249 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 250 if (!pmb) { 251 phba->link_state = LPFC_HBA_ERROR; 252 return -ENOMEM; 253 } 254 mb = &pmb->mb; 255 256 /* Get login parameters for NID. */ 257 lpfc_read_sparam(phba, pmb, 0); 258 pmb->vport = vport; 259 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 260 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 261 "0448 Adapter failed init, mbxCmd x%x " 262 "READ_SPARM mbxStatus x%x\n", 263 mb->mbxCommand, mb->mbxStatus); 264 phba->link_state = LPFC_HBA_ERROR; 265 mp = (struct lpfc_dmabuf *) pmb->context1; 266 mempool_free( pmb, phba->mbox_mem_pool); 267 lpfc_mbuf_free(phba, mp->virt, mp->phys); 268 kfree(mp); 269 return -EIO; 270 } 271 272 mp = (struct lpfc_dmabuf *) pmb->context1; 273 274 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); 275 lpfc_mbuf_free(phba, mp->virt, mp->phys); 276 kfree(mp); 277 pmb->context1 = NULL; 278 279 if (phba->cfg_soft_wwnn) 280 u64_to_wwn(phba->cfg_soft_wwnn, 281 vport->fc_sparam.nodeName.u.wwn); 282 if (phba->cfg_soft_wwpn) 283 u64_to_wwn(phba->cfg_soft_wwpn, 284 vport->fc_sparam.portName.u.wwn); 285 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, 286 sizeof (struct lpfc_name)); 287 memcpy(&vport->fc_portname, &vport->fc_sparam.portName, 288 sizeof (struct lpfc_name)); 289 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 290 /* This should be consolidated into parse_vpd ? - mr */ 291 if (phba->SerialNumber[0] == 0) { 292 uint8_t *outptr; 293 294 outptr = &vport->fc_nodename.u.s.IEEE[0]; 295 for (i = 0; i < 12; i++) { 296 status = *outptr++; 297 j = ((status & 0xf0) >> 4); 298 if (j <= 9) 299 phba->SerialNumber[i] = 300 (char)((uint8_t) 0x30 + (uint8_t) j); 301 else 302 phba->SerialNumber[i] = 303 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 304 i++; 305 j = (status & 0xf); 306 if (j <= 9) 307 phba->SerialNumber[i] = 308 (char)((uint8_t) 0x30 + (uint8_t) j); 309 else 310 phba->SerialNumber[i] = 311 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 312 } 313 } 314 315 lpfc_read_config(phba, pmb); 316 pmb->vport = vport; 317 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 318 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 319 "0453 Adapter failed to init, mbxCmd x%x " 320 "READ_CONFIG, mbxStatus x%x\n", 321 mb->mbxCommand, mb->mbxStatus); 322 phba->link_state = LPFC_HBA_ERROR; 323 mempool_free( pmb, phba->mbox_mem_pool); 324 return -EIO; 325 } 326 327 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 328 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) 329 phba->cfg_hba_queue_depth = 330 mb->un.varRdConfig.max_xri + 1; 331 332 phba->lmt = mb->un.varRdConfig.lmt; 333 334 /* Get the default values for Model Name and Description */ 335 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 336 337 if ((phba->cfg_link_speed > LINK_SPEED_10G) 338 || ((phba->cfg_link_speed == LINK_SPEED_1G) 339 && !(phba->lmt & LMT_1Gb)) 340 || ((phba->cfg_link_speed == LINK_SPEED_2G) 341 && !(phba->lmt & LMT_2Gb)) 342 || ((phba->cfg_link_speed == LINK_SPEED_4G) 343 && !(phba->lmt & LMT_4Gb)) 344 || ((phba->cfg_link_speed == LINK_SPEED_8G) 345 && !(phba->lmt & LMT_8Gb)) 346 || ((phba->cfg_link_speed == LINK_SPEED_10G) 347 && !(phba->lmt & LMT_10Gb))) { 348 /* Reset link speed to auto */ 349 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, 350 "1302 Invalid speed for this board: " 351 "Reset link speed to auto: x%x\n", 352 phba->cfg_link_speed); 353 phba->cfg_link_speed = LINK_SPEED_AUTO; 354 } 355 356 phba->link_state = LPFC_LINK_DOWN; 357 358 /* Only process IOCBs on ring 0 till hba_state is READY */ 359 if (psli->ring[psli->extra_ring].cmdringaddr) 360 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; 361 if (psli->ring[psli->fcp_ring].cmdringaddr) 362 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; 363 if (psli->ring[psli->next_ring].cmdringaddr) 364 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; 365 366 /* Post receive buffers for desired rings */ 367 if (phba->sli_rev != 3) 368 lpfc_post_rcv_buf(phba); 369 370 /* Enable appropriate host interrupts */ 371 spin_lock_irq(&phba->hbalock); 372 status = readl(phba->HCregaddr); 373 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 374 if (psli->num_rings > 0) 375 status |= HC_R0INT_ENA; 376 if (psli->num_rings > 1) 377 status |= HC_R1INT_ENA; 378 if (psli->num_rings > 2) 379 status |= HC_R2INT_ENA; 380 if (psli->num_rings > 3) 381 status |= HC_R3INT_ENA; 382 383 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && 384 (phba->cfg_poll & DISABLE_FCP_RING_INT)) 385 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); 386 387 writel(status, phba->HCregaddr); 388 readl(phba->HCregaddr); /* flush */ 389 spin_unlock_irq(&phba->hbalock); 390 391 /* 392 * Setup the ring 0 (els) timeout handler 393 */ 394 timeout = phba->fc_ratov << 1; 395 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); 396 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 397 phba->hb_outstanding = 0; 398 phba->last_completion_time = jiffies; 399 400 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); 401 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 402 pmb->vport = vport; 403 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 404 lpfc_set_loopback_flag(phba); 405 if (rc != MBX_SUCCESS) { 406 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 407 "0454 Adapter failed to init, mbxCmd x%x " 408 "INIT_LINK, mbxStatus x%x\n", 409 mb->mbxCommand, mb->mbxStatus); 410 411 /* Clear all interrupt enable conditions */ 412 writel(0, phba->HCregaddr); 413 readl(phba->HCregaddr); /* flush */ 414 /* Clear all pending interrupts */ 415 writel(0xffffffff, phba->HAregaddr); 416 readl(phba->HAregaddr); /* flush */ 417 418 phba->link_state = LPFC_HBA_ERROR; 419 if (rc != MBX_BUSY) 420 mempool_free(pmb, phba->mbox_mem_pool); 421 return -EIO; 422 } 423 /* MBOX buffer will be freed in mbox compl */ 424 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 425 lpfc_config_async(phba, pmb, LPFC_ELS_RING); 426 pmb->mbox_cmpl = lpfc_config_async_cmpl; 427 pmb->vport = phba->pport; 428 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 429 430 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 431 lpfc_printf_log(phba, 432 KERN_ERR, 433 LOG_INIT, 434 "0456 Adapter failed to issue " 435 "ASYNCEVT_ENABLE mbox status x%x \n.", 436 rc); 437 mempool_free(pmb, phba->mbox_mem_pool); 438 } 439 return (0); 440 } 441 442 /************************************************************************/ 443 /* */ 444 /* lpfc_hba_down_prep */ 445 /* This routine will do LPFC uninitialization before the */ 446 /* HBA is reset when bringing down the SLI Layer. This will be */ 447 /* initialized as a SLI layer callback routine. */ 448 /* This routine returns 0 on success. Any other return value */ 449 /* indicates an error. */ 450 /* */ 451 /************************************************************************/ 452 int 453 lpfc_hba_down_prep(struct lpfc_hba *phba) 454 { 455 /* Disable interrupts */ 456 writel(0, phba->HCregaddr); 457 readl(phba->HCregaddr); /* flush */ 458 459 lpfc_cleanup_discovery_resources(phba->pport); 460 return 0; 461 } 462 463 /************************************************************************/ 464 /* */ 465 /* lpfc_hba_down_post */ 466 /* This routine will do uninitialization after the HBA is reset */ 467 /* when bringing down the SLI Layer. */ 468 /* This routine returns 0 on success. Any other return value */ 469 /* indicates an error. */ 470 /* */ 471 /************************************************************************/ 472 int 473 lpfc_hba_down_post(struct lpfc_hba *phba) 474 { 475 struct lpfc_sli *psli = &phba->sli; 476 struct lpfc_sli_ring *pring; 477 struct lpfc_dmabuf *mp, *next_mp; 478 int i; 479 480 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) 481 lpfc_sli_hbqbuf_free_all(phba); 482 else { 483 /* Cleanup preposted buffers on the ELS ring */ 484 pring = &psli->ring[LPFC_ELS_RING]; 485 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { 486 list_del(&mp->list); 487 pring->postbufq_cnt--; 488 lpfc_mbuf_free(phba, mp->virt, mp->phys); 489 kfree(mp); 490 } 491 } 492 493 for (i = 0; i < psli->num_rings; i++) { 494 pring = &psli->ring[i]; 495 lpfc_sli_abort_iocb_ring(phba, pring); 496 } 497 498 return 0; 499 } 500 501 /* HBA heart beat timeout handler */ 502 void 503 lpfc_hb_timeout(unsigned long ptr) 504 { 505 struct lpfc_hba *phba; 506 unsigned long iflag; 507 508 phba = (struct lpfc_hba *)ptr; 509 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 510 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) 511 phba->pport->work_port_events |= WORKER_HB_TMO; 512 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 513 514 if (phba->work_wait) 515 wake_up(phba->work_wait); 516 return; 517 } 518 519 static void 520 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 521 { 522 unsigned long drvr_flag; 523 524 spin_lock_irqsave(&phba->hbalock, drvr_flag); 525 phba->hb_outstanding = 0; 526 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 527 528 mempool_free(pmboxq, phba->mbox_mem_pool); 529 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && 530 !(phba->link_state == LPFC_HBA_ERROR) && 531 !(phba->pport->load_flag & FC_UNLOADING)) 532 mod_timer(&phba->hb_tmofunc, 533 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 534 return; 535 } 536 537 void 538 lpfc_hb_timeout_handler(struct lpfc_hba *phba) 539 { 540 LPFC_MBOXQ_t *pmboxq; 541 int retval; 542 struct lpfc_sli *psli = &phba->sli; 543 544 if ((phba->link_state == LPFC_HBA_ERROR) || 545 (phba->pport->load_flag & FC_UNLOADING) || 546 (phba->pport->fc_flag & FC_OFFLINE_MODE)) 547 return; 548 549 spin_lock_irq(&phba->pport->work_port_lock); 550 /* If the timer is already canceled do nothing */ 551 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { 552 spin_unlock_irq(&phba->pport->work_port_lock); 553 return; 554 } 555 556 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, 557 jiffies)) { 558 spin_unlock_irq(&phba->pport->work_port_lock); 559 if (!phba->hb_outstanding) 560 mod_timer(&phba->hb_tmofunc, 561 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 562 else 563 mod_timer(&phba->hb_tmofunc, 564 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 565 return; 566 } 567 spin_unlock_irq(&phba->pport->work_port_lock); 568 569 /* If there is no heart beat outstanding, issue a heartbeat command */ 570 if (!phba->hb_outstanding) { 571 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 572 if (!pmboxq) { 573 mod_timer(&phba->hb_tmofunc, 574 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 575 return; 576 } 577 578 lpfc_heart_beat(phba, pmboxq); 579 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; 580 pmboxq->vport = phba->pport; 581 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); 582 583 if (retval != MBX_BUSY && retval != MBX_SUCCESS) { 584 mempool_free(pmboxq, phba->mbox_mem_pool); 585 mod_timer(&phba->hb_tmofunc, 586 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 587 return; 588 } 589 mod_timer(&phba->hb_tmofunc, 590 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 591 phba->hb_outstanding = 1; 592 return; 593 } else { 594 /* 595 * If heart beat timeout called with hb_outstanding set we 596 * need to take the HBA offline. 597 */ 598 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 599 "0459 Adapter heartbeat failure, taking " 600 "this port offline.\n"); 601 602 spin_lock_irq(&phba->hbalock); 603 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 604 spin_unlock_irq(&phba->hbalock); 605 606 lpfc_offline_prep(phba); 607 lpfc_offline(phba); 608 lpfc_unblock_mgmt_io(phba); 609 phba->link_state = LPFC_HBA_ERROR; 610 lpfc_hba_down_post(phba); 611 } 612 } 613 614 /************************************************************************/ 615 /* */ 616 /* lpfc_handle_eratt */ 617 /* This routine will handle processing a Host Attention */ 618 /* Error Status event. This will be initialized */ 619 /* as a SLI layer callback routine. */ 620 /* */ 621 /************************************************************************/ 622 void 623 lpfc_handle_eratt(struct lpfc_hba *phba) 624 { 625 struct lpfc_vport *vport = phba->pport; 626 struct lpfc_sli *psli = &phba->sli; 627 struct lpfc_sli_ring *pring; 628 struct lpfc_vport **vports; 629 uint32_t event_data; 630 unsigned long temperature; 631 struct temp_event temp_event_data; 632 struct Scsi_Host *shost; 633 int i; 634 635 /* If the pci channel is offline, ignore possible errors, 636 * since we cannot communicate with the pci card anyway. */ 637 if (pci_channel_offline(phba->pcidev)) 638 return; 639 640 if (phba->work_hs & HS_FFER6 || 641 phba->work_hs & HS_FFER5) { 642 /* Re-establishing Link */ 643 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 644 "1301 Re-establishing Link " 645 "Data: x%x x%x x%x\n", 646 phba->work_hs, 647 phba->work_status[0], phba->work_status[1]); 648 vports = lpfc_create_vport_work_array(phba); 649 if (vports != NULL) 650 for(i = 0; 651 i < LPFC_MAX_VPORTS && vports[i] != NULL; 652 i++){ 653 shost = lpfc_shost_from_vport(vports[i]); 654 spin_lock_irq(shost->host_lock); 655 vports[i]->fc_flag |= FC_ESTABLISH_LINK; 656 spin_unlock_irq(shost->host_lock); 657 } 658 lpfc_destroy_vport_work_array(vports); 659 spin_lock_irq(&phba->hbalock); 660 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 661 spin_unlock_irq(&phba->hbalock); 662 663 /* 664 * Firmware stops when it triggled erratt with HS_FFER6. 665 * That could cause the I/Os dropped by the firmware. 666 * Error iocb (I/O) on txcmplq and let the SCSI layer 667 * retry it after re-establishing link. 668 */ 669 pring = &psli->ring[psli->fcp_ring]; 670 lpfc_sli_abort_iocb_ring(phba, pring); 671 672 673 /* 674 * There was a firmware error. Take the hba offline and then 675 * attempt to restart it. 676 */ 677 lpfc_offline_prep(phba); 678 lpfc_offline(phba); 679 lpfc_sli_brdrestart(phba); 680 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 681 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 682 lpfc_unblock_mgmt_io(phba); 683 return; 684 } 685 lpfc_unblock_mgmt_io(phba); 686 } else if (phba->work_hs & HS_CRIT_TEMP) { 687 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); 688 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 689 temp_event_data.event_code = LPFC_CRIT_TEMP; 690 temp_event_data.data = (uint32_t)temperature; 691 692 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 693 "0459 Adapter maximum temperature exceeded " 694 "(%ld), taking this port offline " 695 "Data: x%x x%x x%x\n", 696 temperature, phba->work_hs, 697 phba->work_status[0], phba->work_status[1]); 698 699 shost = lpfc_shost_from_vport(phba->pport); 700 fc_host_post_vendor_event(shost, fc_get_event_number(), 701 sizeof(temp_event_data), 702 (char *) &temp_event_data, 703 SCSI_NL_VID_TYPE_PCI 704 | PCI_VENDOR_ID_EMULEX); 705 706 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 707 lpfc_offline_prep(phba); 708 lpfc_offline(phba); 709 lpfc_unblock_mgmt_io(phba); 710 phba->link_state = LPFC_HBA_ERROR; 711 lpfc_hba_down_post(phba); 712 713 } else { 714 /* The if clause above forces this code path when the status 715 * failure is a value other than FFER6. Do not call the offline 716 * twice. This is the adapter hardware error path. 717 */ 718 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 719 "0457 Adapter Hardware Error " 720 "Data: x%x x%x x%x\n", 721 phba->work_hs, 722 phba->work_status[0], phba->work_status[1]); 723 724 event_data = FC_REG_DUMP_EVENT; 725 shost = lpfc_shost_from_vport(vport); 726 fc_host_post_vendor_event(shost, fc_get_event_number(), 727 sizeof(event_data), (char *) &event_data, 728 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 729 730 spin_lock_irq(&phba->hbalock); 731 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 732 spin_unlock_irq(&phba->hbalock); 733 lpfc_offline_prep(phba); 734 lpfc_offline(phba); 735 lpfc_unblock_mgmt_io(phba); 736 phba->link_state = LPFC_HBA_ERROR; 737 lpfc_hba_down_post(phba); 738 } 739 } 740 741 /************************************************************************/ 742 /* */ 743 /* lpfc_handle_latt */ 744 /* This routine will handle processing a Host Attention */ 745 /* Link Status event. This will be initialized */ 746 /* as a SLI layer callback routine. */ 747 /* */ 748 /************************************************************************/ 749 void 750 lpfc_handle_latt(struct lpfc_hba *phba) 751 { 752 struct lpfc_vport *vport = phba->pport; 753 struct lpfc_sli *psli = &phba->sli; 754 LPFC_MBOXQ_t *pmb; 755 volatile uint32_t control; 756 struct lpfc_dmabuf *mp; 757 int rc = -ENOMEM; 758 759 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 760 if (!pmb) 761 goto lpfc_handle_latt_err_exit; 762 763 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 764 if (!mp) 765 goto lpfc_handle_latt_free_pmb; 766 767 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 768 if (!mp->virt) 769 goto lpfc_handle_latt_free_mp; 770 771 rc = -EIO; 772 773 /* Cleanup any outstanding ELS commands */ 774 lpfc_els_flush_all_cmd(phba); 775 776 psli->slistat.link_event++; 777 lpfc_read_la(phba, pmb, mp); 778 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 779 pmb->vport = vport; 780 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); 781 if (rc == MBX_NOT_FINISHED) 782 goto lpfc_handle_latt_free_mbuf; 783 784 /* Clear Link Attention in HA REG */ 785 spin_lock_irq(&phba->hbalock); 786 writel(HA_LATT, phba->HAregaddr); 787 readl(phba->HAregaddr); /* flush */ 788 spin_unlock_irq(&phba->hbalock); 789 790 return; 791 792 lpfc_handle_latt_free_mbuf: 793 lpfc_mbuf_free(phba, mp->virt, mp->phys); 794 lpfc_handle_latt_free_mp: 795 kfree(mp); 796 lpfc_handle_latt_free_pmb: 797 mempool_free(pmb, phba->mbox_mem_pool); 798 lpfc_handle_latt_err_exit: 799 /* Enable Link attention interrupts */ 800 spin_lock_irq(&phba->hbalock); 801 psli->sli_flag |= LPFC_PROCESS_LA; 802 control = readl(phba->HCregaddr); 803 control |= HC_LAINT_ENA; 804 writel(control, phba->HCregaddr); 805 readl(phba->HCregaddr); /* flush */ 806 807 /* Clear Link Attention in HA REG */ 808 writel(HA_LATT, phba->HAregaddr); 809 readl(phba->HAregaddr); /* flush */ 810 spin_unlock_irq(&phba->hbalock); 811 lpfc_linkdown(phba); 812 phba->link_state = LPFC_HBA_ERROR; 813 814 /* The other case is an error from issue_mbox */ 815 if (rc == -ENOMEM) 816 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 817 "0300 READ_LA: no buffers\n"); 818 819 return; 820 } 821 822 /************************************************************************/ 823 /* */ 824 /* lpfc_parse_vpd */ 825 /* This routine will parse the VPD data */ 826 /* */ 827 /************************************************************************/ 828 static int 829 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) 830 { 831 uint8_t lenlo, lenhi; 832 int Length; 833 int i, j; 834 int finished = 0; 835 int index = 0; 836 837 if (!vpd) 838 return 0; 839 840 /* Vital Product */ 841 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 842 "0455 Vital Product Data: x%x x%x x%x x%x\n", 843 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 844 (uint32_t) vpd[3]); 845 while (!finished && (index < (len - 4))) { 846 switch (vpd[index]) { 847 case 0x82: 848 case 0x91: 849 index += 1; 850 lenlo = vpd[index]; 851 index += 1; 852 lenhi = vpd[index]; 853 index += 1; 854 i = ((((unsigned short)lenhi) << 8) + lenlo); 855 index += i; 856 break; 857 case 0x90: 858 index += 1; 859 lenlo = vpd[index]; 860 index += 1; 861 lenhi = vpd[index]; 862 index += 1; 863 Length = ((((unsigned short)lenhi) << 8) + lenlo); 864 if (Length > len - index) 865 Length = len - index; 866 while (Length > 0) { 867 /* Look for Serial Number */ 868 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 869 index += 2; 870 i = vpd[index]; 871 index += 1; 872 j = 0; 873 Length -= (3+i); 874 while(i--) { 875 phba->SerialNumber[j++] = vpd[index++]; 876 if (j == 31) 877 break; 878 } 879 phba->SerialNumber[j] = 0; 880 continue; 881 } 882 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 883 phba->vpd_flag |= VPD_MODEL_DESC; 884 index += 2; 885 i = vpd[index]; 886 index += 1; 887 j = 0; 888 Length -= (3+i); 889 while(i--) { 890 phba->ModelDesc[j++] = vpd[index++]; 891 if (j == 255) 892 break; 893 } 894 phba->ModelDesc[j] = 0; 895 continue; 896 } 897 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 898 phba->vpd_flag |= VPD_MODEL_NAME; 899 index += 2; 900 i = vpd[index]; 901 index += 1; 902 j = 0; 903 Length -= (3+i); 904 while(i--) { 905 phba->ModelName[j++] = vpd[index++]; 906 if (j == 79) 907 break; 908 } 909 phba->ModelName[j] = 0; 910 continue; 911 } 912 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 913 phba->vpd_flag |= VPD_PROGRAM_TYPE; 914 index += 2; 915 i = vpd[index]; 916 index += 1; 917 j = 0; 918 Length -= (3+i); 919 while(i--) { 920 phba->ProgramType[j++] = vpd[index++]; 921 if (j == 255) 922 break; 923 } 924 phba->ProgramType[j] = 0; 925 continue; 926 } 927 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 928 phba->vpd_flag |= VPD_PORT; 929 index += 2; 930 i = vpd[index]; 931 index += 1; 932 j = 0; 933 Length -= (3+i); 934 while(i--) { 935 phba->Port[j++] = vpd[index++]; 936 if (j == 19) 937 break; 938 } 939 phba->Port[j] = 0; 940 continue; 941 } 942 else { 943 index += 2; 944 i = vpd[index]; 945 index += 1; 946 index += i; 947 Length -= (3 + i); 948 } 949 } 950 finished = 0; 951 break; 952 case 0x78: 953 finished = 1; 954 break; 955 default: 956 index ++; 957 break; 958 } 959 } 960 961 return(1); 962 } 963 964 static void 965 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) 966 { 967 lpfc_vpd_t *vp; 968 uint16_t dev_id = phba->pcidev->device; 969 int max_speed; 970 struct { 971 char * name; 972 int max_speed; 973 char * bus; 974 } m = {"<Unknown>", 0, ""}; 975 976 if (mdp && mdp[0] != '\0' 977 && descp && descp[0] != '\0') 978 return; 979 980 if (phba->lmt & LMT_10Gb) 981 max_speed = 10; 982 else if (phba->lmt & LMT_8Gb) 983 max_speed = 8; 984 else if (phba->lmt & LMT_4Gb) 985 max_speed = 4; 986 else if (phba->lmt & LMT_2Gb) 987 max_speed = 2; 988 else 989 max_speed = 1; 990 991 vp = &phba->vpd; 992 993 switch (dev_id) { 994 case PCI_DEVICE_ID_FIREFLY: 995 m = (typeof(m)){"LP6000", max_speed, "PCI"}; 996 break; 997 case PCI_DEVICE_ID_SUPERFLY: 998 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 999 m = (typeof(m)){"LP7000", max_speed, "PCI"}; 1000 else 1001 m = (typeof(m)){"LP7000E", max_speed, "PCI"}; 1002 break; 1003 case PCI_DEVICE_ID_DRAGONFLY: 1004 m = (typeof(m)){"LP8000", max_speed, "PCI"}; 1005 break; 1006 case PCI_DEVICE_ID_CENTAUR: 1007 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 1008 m = (typeof(m)){"LP9002", max_speed, "PCI"}; 1009 else 1010 m = (typeof(m)){"LP9000", max_speed, "PCI"}; 1011 break; 1012 case PCI_DEVICE_ID_RFLY: 1013 m = (typeof(m)){"LP952", max_speed, "PCI"}; 1014 break; 1015 case PCI_DEVICE_ID_PEGASUS: 1016 m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; 1017 break; 1018 case PCI_DEVICE_ID_THOR: 1019 m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; 1020 break; 1021 case PCI_DEVICE_ID_VIPER: 1022 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; 1023 break; 1024 case PCI_DEVICE_ID_PFLY: 1025 m = (typeof(m)){"LP982", max_speed, "PCI-X"}; 1026 break; 1027 case PCI_DEVICE_ID_TFLY: 1028 m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; 1029 break; 1030 case PCI_DEVICE_ID_HELIOS: 1031 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; 1032 break; 1033 case PCI_DEVICE_ID_HELIOS_SCSP: 1034 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; 1035 break; 1036 case PCI_DEVICE_ID_HELIOS_DCSP: 1037 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; 1038 break; 1039 case PCI_DEVICE_ID_NEPTUNE: 1040 m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; 1041 break; 1042 case PCI_DEVICE_ID_NEPTUNE_SCSP: 1043 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; 1044 break; 1045 case PCI_DEVICE_ID_NEPTUNE_DCSP: 1046 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; 1047 break; 1048 case PCI_DEVICE_ID_BMID: 1049 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; 1050 break; 1051 case PCI_DEVICE_ID_BSMB: 1052 m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; 1053 break; 1054 case PCI_DEVICE_ID_ZEPHYR: 1055 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1056 break; 1057 case PCI_DEVICE_ID_ZEPHYR_SCSP: 1058 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1059 break; 1060 case PCI_DEVICE_ID_ZEPHYR_DCSP: 1061 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; 1062 break; 1063 case PCI_DEVICE_ID_ZMID: 1064 m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; 1065 break; 1066 case PCI_DEVICE_ID_ZSMB: 1067 m = (typeof(m)){"LPe111", max_speed, "PCIe"}; 1068 break; 1069 case PCI_DEVICE_ID_LP101: 1070 m = (typeof(m)){"LP101", max_speed, "PCI-X"}; 1071 break; 1072 case PCI_DEVICE_ID_LP10000S: 1073 m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; 1074 break; 1075 case PCI_DEVICE_ID_LP11000S: 1076 m = (typeof(m)){"LP11000-S", max_speed, 1077 "PCI-X2"}; 1078 break; 1079 case PCI_DEVICE_ID_LPE11000S: 1080 m = (typeof(m)){"LPe11000-S", max_speed, 1081 "PCIe"}; 1082 break; 1083 case PCI_DEVICE_ID_SAT: 1084 m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; 1085 break; 1086 case PCI_DEVICE_ID_SAT_MID: 1087 m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; 1088 break; 1089 case PCI_DEVICE_ID_SAT_SMB: 1090 m = (typeof(m)){"LPe121", max_speed, "PCIe"}; 1091 break; 1092 case PCI_DEVICE_ID_SAT_DCSP: 1093 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; 1094 break; 1095 case PCI_DEVICE_ID_SAT_SCSP: 1096 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; 1097 break; 1098 case PCI_DEVICE_ID_SAT_S: 1099 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; 1100 break; 1101 default: 1102 m = (typeof(m)){ NULL }; 1103 break; 1104 } 1105 1106 if (mdp && mdp[0] == '\0') 1107 snprintf(mdp, 79,"%s", m.name); 1108 if (descp && descp[0] == '\0') 1109 snprintf(descp, 255, 1110 "Emulex %s %dGb %s Fibre Channel Adapter", 1111 m.name, m.max_speed, m.bus); 1112 } 1113 1114 /**************************************************/ 1115 /* lpfc_post_buffer */ 1116 /* */ 1117 /* This routine will post count buffers to the */ 1118 /* ring with the QUE_RING_BUF_CN command. This */ 1119 /* allows 3 buffers / command to be posted. */ 1120 /* Returns the number of buffers NOT posted. */ 1121 /**************************************************/ 1122 int 1123 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, 1124 int type) 1125 { 1126 IOCB_t *icmd; 1127 struct lpfc_iocbq *iocb; 1128 struct lpfc_dmabuf *mp1, *mp2; 1129 1130 cnt += pring->missbufcnt; 1131 1132 /* While there are buffers to post */ 1133 while (cnt > 0) { 1134 /* Allocate buffer for command iocb */ 1135 iocb = lpfc_sli_get_iocbq(phba); 1136 if (iocb == NULL) { 1137 pring->missbufcnt = cnt; 1138 return cnt; 1139 } 1140 icmd = &iocb->iocb; 1141 1142 /* 2 buffers can be posted per command */ 1143 /* Allocate buffer to post */ 1144 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1145 if (mp1) 1146 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 1147 &mp1->phys); 1148 if (mp1 == 0 || mp1->virt == 0) { 1149 kfree(mp1); 1150 lpfc_sli_release_iocbq(phba, iocb); 1151 pring->missbufcnt = cnt; 1152 return cnt; 1153 } 1154 1155 INIT_LIST_HEAD(&mp1->list); 1156 /* Allocate buffer to post */ 1157 if (cnt > 1) { 1158 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1159 if (mp2) 1160 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 1161 &mp2->phys); 1162 if (mp2 == 0 || mp2->virt == 0) { 1163 kfree(mp2); 1164 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1165 kfree(mp1); 1166 lpfc_sli_release_iocbq(phba, iocb); 1167 pring->missbufcnt = cnt; 1168 return cnt; 1169 } 1170 1171 INIT_LIST_HEAD(&mp2->list); 1172 } else { 1173 mp2 = NULL; 1174 } 1175 1176 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 1177 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 1178 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 1179 icmd->ulpBdeCount = 1; 1180 cnt--; 1181 if (mp2) { 1182 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 1183 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 1184 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 1185 cnt--; 1186 icmd->ulpBdeCount = 2; 1187 } 1188 1189 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 1190 icmd->ulpLe = 1; 1191 1192 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 1193 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1194 kfree(mp1); 1195 cnt++; 1196 if (mp2) { 1197 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 1198 kfree(mp2); 1199 cnt++; 1200 } 1201 lpfc_sli_release_iocbq(phba, iocb); 1202 pring->missbufcnt = cnt; 1203 return cnt; 1204 } 1205 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 1206 if (mp2) 1207 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 1208 } 1209 pring->missbufcnt = 0; 1210 return 0; 1211 } 1212 1213 /************************************************************************/ 1214 /* */ 1215 /* lpfc_post_rcv_buf */ 1216 /* This routine post initial rcv buffers to the configured rings */ 1217 /* */ 1218 /************************************************************************/ 1219 static int 1220 lpfc_post_rcv_buf(struct lpfc_hba *phba) 1221 { 1222 struct lpfc_sli *psli = &phba->sli; 1223 1224 /* Ring 0, ELS / CT buffers */ 1225 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 1226 /* Ring 2 - FCP no buffers needed */ 1227 1228 return 0; 1229 } 1230 1231 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 1232 1233 /************************************************************************/ 1234 /* */ 1235 /* lpfc_sha_init */ 1236 /* */ 1237 /************************************************************************/ 1238 static void 1239 lpfc_sha_init(uint32_t * HashResultPointer) 1240 { 1241 HashResultPointer[0] = 0x67452301; 1242 HashResultPointer[1] = 0xEFCDAB89; 1243 HashResultPointer[2] = 0x98BADCFE; 1244 HashResultPointer[3] = 0x10325476; 1245 HashResultPointer[4] = 0xC3D2E1F0; 1246 } 1247 1248 /************************************************************************/ 1249 /* */ 1250 /* lpfc_sha_iterate */ 1251 /* */ 1252 /************************************************************************/ 1253 static void 1254 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1255 { 1256 int t; 1257 uint32_t TEMP; 1258 uint32_t A, B, C, D, E; 1259 t = 16; 1260 do { 1261 HashWorkingPointer[t] = 1262 S(1, 1263 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1264 8] ^ 1265 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1266 } while (++t <= 79); 1267 t = 0; 1268 A = HashResultPointer[0]; 1269 B = HashResultPointer[1]; 1270 C = HashResultPointer[2]; 1271 D = HashResultPointer[3]; 1272 E = HashResultPointer[4]; 1273 1274 do { 1275 if (t < 20) { 1276 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1277 } else if (t < 40) { 1278 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1279 } else if (t < 60) { 1280 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1281 } else { 1282 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1283 } 1284 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1285 E = D; 1286 D = C; 1287 C = S(30, B); 1288 B = A; 1289 A = TEMP; 1290 } while (++t <= 79); 1291 1292 HashResultPointer[0] += A; 1293 HashResultPointer[1] += B; 1294 HashResultPointer[2] += C; 1295 HashResultPointer[3] += D; 1296 HashResultPointer[4] += E; 1297 1298 } 1299 1300 /************************************************************************/ 1301 /* */ 1302 /* lpfc_challenge_key */ 1303 /* */ 1304 /************************************************************************/ 1305 static void 1306 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1307 { 1308 *HashWorking = (*RandomChallenge ^ *HashWorking); 1309 } 1310 1311 /************************************************************************/ 1312 /* */ 1313 /* lpfc_hba_init */ 1314 /* */ 1315 /************************************************************************/ 1316 void 1317 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1318 { 1319 int t; 1320 uint32_t *HashWorking; 1321 uint32_t *pwwnn = (uint32_t *) phba->wwnn; 1322 1323 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); 1324 if (!HashWorking) 1325 return; 1326 1327 HashWorking[0] = HashWorking[78] = *pwwnn++; 1328 HashWorking[1] = HashWorking[79] = *pwwnn; 1329 1330 for (t = 0; t < 7; t++) 1331 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1332 1333 lpfc_sha_init(hbainit); 1334 lpfc_sha_iterate(hbainit, HashWorking); 1335 kfree(HashWorking); 1336 } 1337 1338 static void 1339 lpfc_cleanup(struct lpfc_vport *vport) 1340 { 1341 struct lpfc_nodelist *ndlp, *next_ndlp; 1342 1343 /* clean up phba - lpfc specific */ 1344 lpfc_can_disctmo(vport); 1345 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) 1346 lpfc_nlp_put(ndlp); 1347 return; 1348 } 1349 1350 static void 1351 lpfc_establish_link_tmo(unsigned long ptr) 1352 { 1353 struct lpfc_hba *phba = (struct lpfc_hba *) ptr; 1354 struct lpfc_vport **vports; 1355 unsigned long iflag; 1356 int i; 1357 1358 /* Re-establishing Link, timer expired */ 1359 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1360 "1300 Re-establishing Link, timer expired " 1361 "Data: x%x x%x\n", 1362 phba->pport->fc_flag, phba->pport->port_state); 1363 vports = lpfc_create_vport_work_array(phba); 1364 if (vports != NULL) 1365 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1366 struct Scsi_Host *shost; 1367 shost = lpfc_shost_from_vport(vports[i]); 1368 spin_lock_irqsave(shost->host_lock, iflag); 1369 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; 1370 spin_unlock_irqrestore(shost->host_lock, iflag); 1371 } 1372 lpfc_destroy_vport_work_array(vports); 1373 } 1374 1375 void 1376 lpfc_stop_vport_timers(struct lpfc_vport *vport) 1377 { 1378 del_timer_sync(&vport->els_tmofunc); 1379 del_timer_sync(&vport->fc_fdmitmo); 1380 lpfc_can_disctmo(vport); 1381 return; 1382 } 1383 1384 static void 1385 lpfc_stop_phba_timers(struct lpfc_hba *phba) 1386 { 1387 del_timer_sync(&phba->fcp_poll_timer); 1388 del_timer_sync(&phba->fc_estabtmo); 1389 lpfc_stop_vport_timers(phba->pport); 1390 del_timer_sync(&phba->sli.mbox_tmo); 1391 del_timer_sync(&phba->fabric_block_timer); 1392 phba->hb_outstanding = 0; 1393 del_timer_sync(&phba->hb_tmofunc); 1394 return; 1395 } 1396 1397 int 1398 lpfc_online(struct lpfc_hba *phba) 1399 { 1400 struct lpfc_vport *vport = phba->pport; 1401 struct lpfc_vport **vports; 1402 int i; 1403 1404 if (!phba) 1405 return 0; 1406 1407 if (!(vport->fc_flag & FC_OFFLINE_MODE)) 1408 return 0; 1409 1410 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1411 "0458 Bring Adapter online\n"); 1412 1413 lpfc_block_mgmt_io(phba); 1414 1415 if (!lpfc_sli_queue_setup(phba)) { 1416 lpfc_unblock_mgmt_io(phba); 1417 return 1; 1418 } 1419 1420 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ 1421 lpfc_unblock_mgmt_io(phba); 1422 return 1; 1423 } 1424 1425 vports = lpfc_create_vport_work_array(phba); 1426 if (vports != NULL) 1427 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1428 struct Scsi_Host *shost; 1429 shost = lpfc_shost_from_vport(vports[i]); 1430 spin_lock_irq(shost->host_lock); 1431 vports[i]->fc_flag &= ~FC_OFFLINE_MODE; 1432 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 1433 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1434 spin_unlock_irq(shost->host_lock); 1435 } 1436 lpfc_destroy_vport_work_array(vports); 1437 1438 lpfc_unblock_mgmt_io(phba); 1439 return 0; 1440 } 1441 1442 void 1443 lpfc_block_mgmt_io(struct lpfc_hba * phba) 1444 { 1445 unsigned long iflag; 1446 1447 spin_lock_irqsave(&phba->hbalock, iflag); 1448 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; 1449 spin_unlock_irqrestore(&phba->hbalock, iflag); 1450 } 1451 1452 void 1453 lpfc_unblock_mgmt_io(struct lpfc_hba * phba) 1454 { 1455 unsigned long iflag; 1456 1457 spin_lock_irqsave(&phba->hbalock, iflag); 1458 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; 1459 spin_unlock_irqrestore(&phba->hbalock, iflag); 1460 } 1461 1462 void 1463 lpfc_offline_prep(struct lpfc_hba * phba) 1464 { 1465 struct lpfc_vport *vport = phba->pport; 1466 struct lpfc_nodelist *ndlp, *next_ndlp; 1467 1468 if (vport->fc_flag & FC_OFFLINE_MODE) 1469 return; 1470 1471 lpfc_block_mgmt_io(phba); 1472 1473 lpfc_linkdown(phba); 1474 1475 /* Issue an unreg_login to all nodes */ 1476 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) 1477 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) 1478 lpfc_unreg_rpi(vport, ndlp); 1479 1480 lpfc_sli_flush_mbox_queue(phba); 1481 } 1482 1483 void 1484 lpfc_offline(struct lpfc_hba *phba) 1485 { 1486 struct Scsi_Host *shost; 1487 struct lpfc_vport **vports; 1488 int i; 1489 1490 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 1491 return; 1492 1493 /* stop all timers associated with this hba */ 1494 lpfc_stop_phba_timers(phba); 1495 vports = lpfc_create_vport_work_array(phba); 1496 if (vports != NULL) 1497 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) 1498 lpfc_stop_vport_timers(vports[i]); 1499 lpfc_destroy_vport_work_array(vports); 1500 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1501 "0460 Bring Adapter offline\n"); 1502 /* Bring down the SLI Layer and cleanup. The HBA is offline 1503 now. */ 1504 lpfc_sli_hba_down(phba); 1505 spin_lock_irq(&phba->hbalock); 1506 phba->work_ha = 0; 1507 spin_unlock_irq(&phba->hbalock); 1508 vports = lpfc_create_vport_work_array(phba); 1509 if (vports != NULL) 1510 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1511 shost = lpfc_shost_from_vport(vports[i]); 1512 lpfc_cleanup(vports[i]); 1513 spin_lock_irq(shost->host_lock); 1514 vports[i]->work_port_events = 0; 1515 vports[i]->fc_flag |= FC_OFFLINE_MODE; 1516 spin_unlock_irq(shost->host_lock); 1517 } 1518 lpfc_destroy_vport_work_array(vports); 1519 } 1520 1521 /****************************************************************************** 1522 * Function name: lpfc_scsi_free 1523 * 1524 * Description: Called from lpfc_pci_remove_one free internal driver resources 1525 * 1526 ******************************************************************************/ 1527 static int 1528 lpfc_scsi_free(struct lpfc_hba *phba) 1529 { 1530 struct lpfc_scsi_buf *sb, *sb_next; 1531 struct lpfc_iocbq *io, *io_next; 1532 1533 spin_lock_irq(&phba->hbalock); 1534 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1535 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1536 list_del(&sb->list); 1537 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1538 sb->dma_handle); 1539 kfree(sb); 1540 phba->total_scsi_bufs--; 1541 } 1542 1543 /* Release all the lpfc_iocbq entries maintained by this host. */ 1544 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1545 list_del(&io->list); 1546 kfree(io); 1547 phba->total_iocbq_bufs--; 1548 } 1549 1550 spin_unlock_irq(&phba->hbalock); 1551 1552 return 0; 1553 } 1554 1555 struct lpfc_vport * 1556 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) 1557 { 1558 struct lpfc_vport *vport; 1559 struct Scsi_Host *shost; 1560 int error = 0; 1561 1562 if (dev != &phba->pcidev->dev) 1563 shost = scsi_host_alloc(&lpfc_vport_template, 1564 sizeof(struct lpfc_vport)); 1565 else 1566 shost = scsi_host_alloc(&lpfc_template, 1567 sizeof(struct lpfc_vport)); 1568 if (!shost) 1569 goto out; 1570 1571 vport = (struct lpfc_vport *) shost->hostdata; 1572 vport->phba = phba; 1573 1574 vport->load_flag |= FC_LOADING; 1575 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1576 1577 lpfc_get_vport_cfgparam(vport); 1578 shost->unique_id = instance; 1579 shost->max_id = LPFC_MAX_TARGET; 1580 shost->max_lun = vport->cfg_max_luns; 1581 shost->this_id = -1; 1582 shost->max_cmd_len = 16; 1583 /* 1584 * Set initial can_queue value since 0 is no longer supported and 1585 * scsi_add_host will fail. This will be adjusted later based on the 1586 * max xri value determined in hba setup. 1587 */ 1588 shost->can_queue = phba->cfg_hba_queue_depth - 10; 1589 if (dev != &phba->pcidev->dev) { 1590 shost->transportt = lpfc_vport_transport_template; 1591 vport->port_type = LPFC_NPIV_PORT; 1592 } else { 1593 shost->transportt = lpfc_transport_template; 1594 vport->port_type = LPFC_PHYSICAL_PORT; 1595 } 1596 1597 /* Initialize all internally managed lists. */ 1598 INIT_LIST_HEAD(&vport->fc_nodes); 1599 spin_lock_init(&vport->work_port_lock); 1600 1601 init_timer(&vport->fc_disctmo); 1602 vport->fc_disctmo.function = lpfc_disc_timeout; 1603 vport->fc_disctmo.data = (unsigned long)vport; 1604 1605 init_timer(&vport->fc_fdmitmo); 1606 vport->fc_fdmitmo.function = lpfc_fdmi_tmo; 1607 vport->fc_fdmitmo.data = (unsigned long)vport; 1608 1609 init_timer(&vport->els_tmofunc); 1610 vport->els_tmofunc.function = lpfc_els_timeout; 1611 vport->els_tmofunc.data = (unsigned long)vport; 1612 1613 error = scsi_add_host(shost, dev); 1614 if (error) 1615 goto out_put_shost; 1616 1617 spin_lock_irq(&phba->hbalock); 1618 list_add_tail(&vport->listentry, &phba->port_list); 1619 spin_unlock_irq(&phba->hbalock); 1620 return vport; 1621 1622 out_put_shost: 1623 scsi_host_put(shost); 1624 out: 1625 return NULL; 1626 } 1627 1628 void 1629 destroy_port(struct lpfc_vport *vport) 1630 { 1631 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1632 struct lpfc_hba *phba = vport->phba; 1633 1634 kfree(vport->vname); 1635 1636 lpfc_debugfs_terminate(vport); 1637 fc_remove_host(shost); 1638 scsi_remove_host(shost); 1639 1640 spin_lock_irq(&phba->hbalock); 1641 list_del_init(&vport->listentry); 1642 spin_unlock_irq(&phba->hbalock); 1643 1644 lpfc_cleanup(vport); 1645 return; 1646 } 1647 1648 int 1649 lpfc_get_instance(void) 1650 { 1651 int instance = 0; 1652 1653 /* Assign an unused number */ 1654 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1655 return -1; 1656 if (idr_get_new(&lpfc_hba_index, NULL, &instance)) 1657 return -1; 1658 return instance; 1659 } 1660 1661 /* 1662 * Note: there is no scan_start function as adapter initialization 1663 * will have asynchronously kicked off the link initialization. 1664 */ 1665 1666 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) 1667 { 1668 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1669 struct lpfc_hba *phba = vport->phba; 1670 int stat = 0; 1671 1672 spin_lock_irq(shost->host_lock); 1673 1674 if (vport->load_flag & FC_UNLOADING) { 1675 stat = 1; 1676 goto finished; 1677 } 1678 if (time >= 30 * HZ) { 1679 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1680 "0461 Scanning longer than 30 " 1681 "seconds. Continuing initialization\n"); 1682 stat = 1; 1683 goto finished; 1684 } 1685 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { 1686 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1687 "0465 Link down longer than 15 " 1688 "seconds. Continuing initialization\n"); 1689 stat = 1; 1690 goto finished; 1691 } 1692 1693 if (vport->port_state != LPFC_VPORT_READY) 1694 goto finished; 1695 if (vport->num_disc_nodes || vport->fc_prli_sent) 1696 goto finished; 1697 if (vport->fc_map_cnt == 0 && time < 2 * HZ) 1698 goto finished; 1699 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) 1700 goto finished; 1701 1702 stat = 1; 1703 1704 finished: 1705 spin_unlock_irq(shost->host_lock); 1706 return stat; 1707 } 1708 1709 void lpfc_host_attrib_init(struct Scsi_Host *shost) 1710 { 1711 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1712 struct lpfc_hba *phba = vport->phba; 1713 /* 1714 * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). 1715 */ 1716 1717 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 1718 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 1719 fc_host_supported_classes(shost) = FC_COS_CLASS3; 1720 1721 memset(fc_host_supported_fc4s(shost), 0, 1722 sizeof(fc_host_supported_fc4s(shost))); 1723 fc_host_supported_fc4s(shost)[2] = 1; 1724 fc_host_supported_fc4s(shost)[7] = 1; 1725 1726 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), 1727 sizeof fc_host_symbolic_name(shost)); 1728 1729 fc_host_supported_speeds(shost) = 0; 1730 if (phba->lmt & LMT_10Gb) 1731 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; 1732 if (phba->lmt & LMT_4Gb) 1733 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; 1734 if (phba->lmt & LMT_2Gb) 1735 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; 1736 if (phba->lmt & LMT_1Gb) 1737 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; 1738 1739 fc_host_maxframe_size(shost) = 1740 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 1741 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; 1742 1743 /* This value is also unchanging */ 1744 memset(fc_host_active_fc4s(shost), 0, 1745 sizeof(fc_host_active_fc4s(shost))); 1746 fc_host_active_fc4s(shost)[2] = 1; 1747 fc_host_active_fc4s(shost)[7] = 1; 1748 1749 fc_host_max_npiv_vports(shost) = phba->max_vpi; 1750 spin_lock_irq(shost->host_lock); 1751 vport->load_flag &= ~FC_LOADING; 1752 spin_unlock_irq(shost->host_lock); 1753 } 1754 1755 static int __devinit 1756 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1757 { 1758 struct lpfc_vport *vport = NULL; 1759 struct lpfc_hba *phba; 1760 struct lpfc_sli *psli; 1761 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1762 struct Scsi_Host *shost = NULL; 1763 void *ptr; 1764 unsigned long bar0map_len, bar2map_len; 1765 int error = -ENODEV; 1766 int i, hbq_count; 1767 uint16_t iotag; 1768 1769 if (pci_enable_device(pdev)) 1770 goto out; 1771 if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) 1772 goto out_disable_device; 1773 1774 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); 1775 if (!phba) 1776 goto out_release_regions; 1777 1778 spin_lock_init(&phba->hbalock); 1779 1780 phba->pcidev = pdev; 1781 1782 /* Assign an unused board number */ 1783 if ((phba->brd_no = lpfc_get_instance()) < 0) 1784 goto out_free_phba; 1785 1786 INIT_LIST_HEAD(&phba->port_list); 1787 /* 1788 * Get all the module params for configuring this host and then 1789 * establish the host. 1790 */ 1791 lpfc_get_cfgparam(phba); 1792 phba->max_vpi = LPFC_MAX_VPI; 1793 1794 /* Initialize timers used by driver */ 1795 init_timer(&phba->fc_estabtmo); 1796 phba->fc_estabtmo.function = lpfc_establish_link_tmo; 1797 phba->fc_estabtmo.data = (unsigned long)phba; 1798 1799 init_timer(&phba->hb_tmofunc); 1800 phba->hb_tmofunc.function = lpfc_hb_timeout; 1801 phba->hb_tmofunc.data = (unsigned long)phba; 1802 1803 psli = &phba->sli; 1804 init_timer(&psli->mbox_tmo); 1805 psli->mbox_tmo.function = lpfc_mbox_timeout; 1806 psli->mbox_tmo.data = (unsigned long) phba; 1807 init_timer(&phba->fcp_poll_timer); 1808 phba->fcp_poll_timer.function = lpfc_poll_timeout; 1809 phba->fcp_poll_timer.data = (unsigned long) phba; 1810 init_timer(&phba->fabric_block_timer); 1811 phba->fabric_block_timer.function = lpfc_fabric_block_timeout; 1812 phba->fabric_block_timer.data = (unsigned long) phba; 1813 1814 pci_set_master(pdev); 1815 pci_try_set_mwi(pdev); 1816 1817 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 1818 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 1819 goto out_idr_remove; 1820 1821 /* 1822 * Get the bus address of Bar0 and Bar2 and the number of bytes 1823 * required by each mapping. 1824 */ 1825 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 1826 bar0map_len = pci_resource_len(phba->pcidev, 0); 1827 1828 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 1829 bar2map_len = pci_resource_len(phba->pcidev, 2); 1830 1831 /* Map HBA SLIM to a kernel virtual address. */ 1832 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 1833 if (!phba->slim_memmap_p) { 1834 error = -ENODEV; 1835 dev_printk(KERN_ERR, &pdev->dev, 1836 "ioremap failed for SLIM memory.\n"); 1837 goto out_idr_remove; 1838 } 1839 1840 /* Map HBA Control Registers to a kernel virtual address. */ 1841 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 1842 if (!phba->ctrl_regs_memmap_p) { 1843 error = -ENODEV; 1844 dev_printk(KERN_ERR, &pdev->dev, 1845 "ioremap failed for HBA control registers.\n"); 1846 goto out_iounmap_slim; 1847 } 1848 1849 /* Allocate memory for SLI-2 structures */ 1850 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 1851 &phba->slim2p_mapping, GFP_KERNEL); 1852 if (!phba->slim2p) 1853 goto out_iounmap; 1854 1855 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 1856 1857 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, 1858 lpfc_sli_hbq_size(), 1859 &phba->hbqslimp.phys, 1860 GFP_KERNEL); 1861 if (!phba->hbqslimp.virt) 1862 goto out_free_slim; 1863 1864 hbq_count = lpfc_sli_hbq_count(); 1865 ptr = phba->hbqslimp.virt; 1866 for (i = 0; i < hbq_count; ++i) { 1867 phba->hbqs[i].hbq_virt = ptr; 1868 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); 1869 ptr += (lpfc_hbq_defs[i]->entry_count * 1870 sizeof(struct lpfc_hbq_entry)); 1871 } 1872 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; 1873 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; 1874 1875 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 1876 1877 /* Initialize the SLI Layer to run with lpfc HBAs. */ 1878 lpfc_sli_setup(phba); 1879 lpfc_sli_queue_setup(phba); 1880 1881 error = lpfc_mem_alloc(phba); 1882 if (error) 1883 goto out_free_hbqslimp; 1884 1885 /* Initialize and populate the iocb list per host. */ 1886 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 1887 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 1888 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 1889 if (iocbq_entry == NULL) { 1890 printk(KERN_ERR "%s: only allocated %d iocbs of " 1891 "expected %d count. Unloading driver.\n", 1892 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 1893 error = -ENOMEM; 1894 goto out_free_iocbq; 1895 } 1896 1897 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 1898 if (iotag == 0) { 1899 kfree (iocbq_entry); 1900 printk(KERN_ERR "%s: failed to allocate IOTAG. " 1901 "Unloading driver.\n", 1902 __FUNCTION__); 1903 error = -ENOMEM; 1904 goto out_free_iocbq; 1905 } 1906 1907 spin_lock_irq(&phba->hbalock); 1908 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 1909 phba->total_iocbq_bufs++; 1910 spin_unlock_irq(&phba->hbalock); 1911 } 1912 1913 /* Initialize HBA structure */ 1914 phba->fc_edtov = FF_DEF_EDTOV; 1915 phba->fc_ratov = FF_DEF_RATOV; 1916 phba->fc_altov = FF_DEF_ALTOV; 1917 phba->fc_arbtov = FF_DEF_ARBTOV; 1918 1919 INIT_LIST_HEAD(&phba->work_list); 1920 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); 1921 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 1922 1923 /* Startup the kernel thread for this host adapter. */ 1924 phba->worker_thread = kthread_run(lpfc_do_work, phba, 1925 "lpfc_worker_%d", phba->brd_no); 1926 if (IS_ERR(phba->worker_thread)) { 1927 error = PTR_ERR(phba->worker_thread); 1928 goto out_free_iocbq; 1929 } 1930 1931 /* Initialize the list of scsi buffers used by driver for scsi IO. */ 1932 spin_lock_init(&phba->scsi_buf_list_lock); 1933 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); 1934 1935 /* Initialize list of fabric iocbs */ 1936 INIT_LIST_HEAD(&phba->fabric_iocb_list); 1937 1938 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); 1939 if (!vport) 1940 goto out_kthread_stop; 1941 1942 shost = lpfc_shost_from_vport(vport); 1943 phba->pport = vport; 1944 lpfc_debugfs_initialize(vport); 1945 1946 pci_set_drvdata(pdev, shost); 1947 1948 if (phba->cfg_use_msi) { 1949 error = pci_enable_msi(phba->pcidev); 1950 if (!error) 1951 phba->using_msi = 1; 1952 else 1953 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1954 "0452 Enable MSI failed, continuing " 1955 "with IRQ\n"); 1956 } 1957 1958 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, 1959 LPFC_DRIVER_NAME, phba); 1960 if (error) { 1961 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1962 "0451 Enable interrupt handler failed\n"); 1963 goto out_disable_msi; 1964 } 1965 1966 phba->MBslimaddr = phba->slim_memmap_p; 1967 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 1968 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 1969 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 1970 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 1971 1972 if (lpfc_alloc_sysfs_attr(vport)) 1973 goto out_free_irq; 1974 1975 if (lpfc_sli_hba_setup(phba)) 1976 goto out_remove_device; 1977 1978 /* 1979 * hba setup may have changed the hba_queue_depth so we need to adjust 1980 * the value of can_queue. 1981 */ 1982 shost->can_queue = phba->cfg_hba_queue_depth - 10; 1983 1984 lpfc_host_attrib_init(shost); 1985 1986 if (phba->cfg_poll & DISABLE_FCP_RING_INT) { 1987 spin_lock_irq(shost->host_lock); 1988 lpfc_poll_start_timer(phba); 1989 spin_unlock_irq(shost->host_lock); 1990 } 1991 1992 scsi_scan_host(shost); 1993 1994 return 0; 1995 1996 out_remove_device: 1997 lpfc_free_sysfs_attr(vport); 1998 spin_lock_irq(shost->host_lock); 1999 vport->load_flag |= FC_UNLOADING; 2000 spin_unlock_irq(shost->host_lock); 2001 out_free_irq: 2002 lpfc_stop_phba_timers(phba); 2003 phba->pport->work_port_events = 0; 2004 free_irq(phba->pcidev->irq, phba); 2005 out_disable_msi: 2006 if (phba->using_msi) 2007 pci_disable_msi(phba->pcidev); 2008 destroy_port(vport); 2009 out_kthread_stop: 2010 kthread_stop(phba->worker_thread); 2011 out_free_iocbq: 2012 list_for_each_entry_safe(iocbq_entry, iocbq_next, 2013 &phba->lpfc_iocb_list, list) { 2014 kfree(iocbq_entry); 2015 phba->total_iocbq_bufs--; 2016 } 2017 lpfc_mem_free(phba); 2018 out_free_hbqslimp: 2019 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2020 phba->hbqslimp.phys); 2021 out_free_slim: 2022 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, 2023 phba->slim2p_mapping); 2024 out_iounmap: 2025 iounmap(phba->ctrl_regs_memmap_p); 2026 out_iounmap_slim: 2027 iounmap(phba->slim_memmap_p); 2028 out_idr_remove: 2029 idr_remove(&lpfc_hba_index, phba->brd_no); 2030 out_free_phba: 2031 kfree(phba); 2032 out_release_regions: 2033 pci_release_regions(pdev); 2034 out_disable_device: 2035 pci_disable_device(pdev); 2036 out: 2037 pci_set_drvdata(pdev, NULL); 2038 if (shost) 2039 scsi_host_put(shost); 2040 return error; 2041 } 2042 2043 static void __devexit 2044 lpfc_pci_remove_one(struct pci_dev *pdev) 2045 { 2046 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2047 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2048 struct lpfc_hba *phba = vport->phba; 2049 spin_lock_irq(&phba->hbalock); 2050 vport->load_flag |= FC_UNLOADING; 2051 spin_unlock_irq(&phba->hbalock); 2052 2053 kfree(vport->vname); 2054 lpfc_free_sysfs_attr(vport); 2055 2056 fc_remove_host(shost); 2057 scsi_remove_host(shost); 2058 /* 2059 * Bring down the SLI Layer. This step disable all interrupts, 2060 * clears the rings, discards all mailbox commands, and resets 2061 * the HBA. 2062 */ 2063 lpfc_sli_hba_down(phba); 2064 lpfc_sli_brdrestart(phba); 2065 2066 lpfc_stop_phba_timers(phba); 2067 spin_lock_irq(&phba->hbalock); 2068 list_del_init(&vport->listentry); 2069 spin_unlock_irq(&phba->hbalock); 2070 2071 lpfc_debugfs_terminate(vport); 2072 lpfc_cleanup(vport); 2073 2074 kthread_stop(phba->worker_thread); 2075 2076 /* Release the irq reservation */ 2077 free_irq(phba->pcidev->irq, phba); 2078 if (phba->using_msi) 2079 pci_disable_msi(phba->pcidev); 2080 2081 pci_set_drvdata(pdev, NULL); 2082 scsi_host_put(shost); 2083 2084 /* 2085 * Call scsi_free before mem_free since scsi bufs are released to their 2086 * corresponding pools here. 2087 */ 2088 lpfc_scsi_free(phba); 2089 lpfc_mem_free(phba); 2090 2091 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2092 phba->hbqslimp.phys); 2093 2094 /* Free resources associated with SLI2 interface */ 2095 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 2096 phba->slim2p, phba->slim2p_mapping); 2097 2098 /* unmap adapter SLIM and Control Registers */ 2099 iounmap(phba->ctrl_regs_memmap_p); 2100 iounmap(phba->slim_memmap_p); 2101 2102 idr_remove(&lpfc_hba_index, phba->brd_no); 2103 2104 kfree(phba); 2105 2106 pci_release_regions(pdev); 2107 pci_disable_device(pdev); 2108 } 2109 2110 /** 2111 * lpfc_io_error_detected - called when PCI error is detected 2112 * @pdev: Pointer to PCI device 2113 * @state: The current pci conneection state 2114 * 2115 * This function is called after a PCI bus error affecting 2116 * this device has been detected. 2117 */ 2118 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, 2119 pci_channel_state_t state) 2120 { 2121 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2122 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2123 struct lpfc_sli *psli = &phba->sli; 2124 struct lpfc_sli_ring *pring; 2125 2126 if (state == pci_channel_io_perm_failure) 2127 return PCI_ERS_RESULT_DISCONNECT; 2128 2129 pci_disable_device(pdev); 2130 /* 2131 * There may be I/Os dropped by the firmware. 2132 * Error iocb (I/O) on txcmplq and let the SCSI layer 2133 * retry it after re-establishing link. 2134 */ 2135 pring = &psli->ring[psli->fcp_ring]; 2136 lpfc_sli_abort_iocb_ring(phba, pring); 2137 2138 /* Release the irq reservation */ 2139 free_irq(phba->pcidev->irq, phba); 2140 if (phba->using_msi) 2141 pci_disable_msi(phba->pcidev); 2142 2143 /* Request a slot reset. */ 2144 return PCI_ERS_RESULT_NEED_RESET; 2145 } 2146 2147 /** 2148 * lpfc_io_slot_reset - called after the pci bus has been reset. 2149 * @pdev: Pointer to PCI device 2150 * 2151 * Restart the card from scratch, as if from a cold-boot. 2152 */ 2153 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) 2154 { 2155 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2156 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2157 struct lpfc_sli *psli = &phba->sli; 2158 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 2159 2160 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 2161 if (pci_enable_device_bars(pdev, bars)) { 2162 printk(KERN_ERR "lpfc: Cannot re-enable " 2163 "PCI device after reset.\n"); 2164 return PCI_ERS_RESULT_DISCONNECT; 2165 } 2166 2167 pci_set_master(pdev); 2168 2169 /* Re-establishing Link */ 2170 spin_lock_irq(shost->host_lock); 2171 phba->pport->fc_flag |= FC_ESTABLISH_LINK; 2172 spin_unlock_irq(shost->host_lock); 2173 2174 spin_lock_irq(&phba->hbalock); 2175 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 2176 spin_unlock_irq(&phba->hbalock); 2177 2178 2179 /* Take device offline; this will perform cleanup */ 2180 lpfc_offline(phba); 2181 lpfc_sli_brdrestart(phba); 2182 2183 return PCI_ERS_RESULT_RECOVERED; 2184 } 2185 2186 /** 2187 * lpfc_io_resume - called when traffic can start flowing again. 2188 * @pdev: Pointer to PCI device 2189 * 2190 * This callback is called when the error recovery driver tells us that 2191 * its OK to resume normal operation. 2192 */ 2193 static void lpfc_io_resume(struct pci_dev *pdev) 2194 { 2195 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2196 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2197 2198 if (lpfc_online(phba) == 0) { 2199 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 2200 } 2201 } 2202 2203 static struct pci_device_id lpfc_id_table[] = { 2204 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, 2205 PCI_ANY_ID, PCI_ANY_ID, }, 2206 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, 2207 PCI_ANY_ID, PCI_ANY_ID, }, 2208 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, 2209 PCI_ANY_ID, PCI_ANY_ID, }, 2210 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, 2211 PCI_ANY_ID, PCI_ANY_ID, }, 2212 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, 2213 PCI_ANY_ID, PCI_ANY_ID, }, 2214 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, 2215 PCI_ANY_ID, PCI_ANY_ID, }, 2216 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, 2217 PCI_ANY_ID, PCI_ANY_ID, }, 2218 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, 2219 PCI_ANY_ID, PCI_ANY_ID, }, 2220 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, 2221 PCI_ANY_ID, PCI_ANY_ID, }, 2222 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, 2223 PCI_ANY_ID, PCI_ANY_ID, }, 2224 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, 2225 PCI_ANY_ID, PCI_ANY_ID, }, 2226 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, 2227 PCI_ANY_ID, PCI_ANY_ID, }, 2228 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, 2229 PCI_ANY_ID, PCI_ANY_ID, }, 2230 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, 2231 PCI_ANY_ID, PCI_ANY_ID, }, 2232 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, 2233 PCI_ANY_ID, PCI_ANY_ID, }, 2234 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, 2235 PCI_ANY_ID, PCI_ANY_ID, }, 2236 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, 2237 PCI_ANY_ID, PCI_ANY_ID, }, 2238 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, 2239 PCI_ANY_ID, PCI_ANY_ID, }, 2240 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, 2241 PCI_ANY_ID, PCI_ANY_ID, }, 2242 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, 2243 PCI_ANY_ID, PCI_ANY_ID, }, 2244 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, 2245 PCI_ANY_ID, PCI_ANY_ID, }, 2246 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, 2247 PCI_ANY_ID, PCI_ANY_ID, }, 2248 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, 2249 PCI_ANY_ID, PCI_ANY_ID, }, 2250 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, 2251 PCI_ANY_ID, PCI_ANY_ID, }, 2252 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, 2253 PCI_ANY_ID, PCI_ANY_ID, }, 2254 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, 2255 PCI_ANY_ID, PCI_ANY_ID, }, 2256 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, 2257 PCI_ANY_ID, PCI_ANY_ID, }, 2258 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, 2259 PCI_ANY_ID, PCI_ANY_ID, }, 2260 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, 2261 PCI_ANY_ID, PCI_ANY_ID, }, 2262 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, 2263 PCI_ANY_ID, PCI_ANY_ID, }, 2264 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, 2265 PCI_ANY_ID, PCI_ANY_ID, }, 2266 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, 2267 PCI_ANY_ID, PCI_ANY_ID, }, 2268 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, 2269 PCI_ANY_ID, PCI_ANY_ID, }, 2270 { 0 } 2271 }; 2272 2273 MODULE_DEVICE_TABLE(pci, lpfc_id_table); 2274 2275 static struct pci_error_handlers lpfc_err_handler = { 2276 .error_detected = lpfc_io_error_detected, 2277 .slot_reset = lpfc_io_slot_reset, 2278 .resume = lpfc_io_resume, 2279 }; 2280 2281 static struct pci_driver lpfc_driver = { 2282 .name = LPFC_DRIVER_NAME, 2283 .id_table = lpfc_id_table, 2284 .probe = lpfc_pci_probe_one, 2285 .remove = __devexit_p(lpfc_pci_remove_one), 2286 .err_handler = &lpfc_err_handler, 2287 }; 2288 2289 static int __init 2290 lpfc_init(void) 2291 { 2292 int error = 0; 2293 2294 printk(LPFC_MODULE_DESC "\n"); 2295 printk(LPFC_COPYRIGHT "\n"); 2296 2297 if (lpfc_enable_npiv) { 2298 lpfc_transport_functions.vport_create = lpfc_vport_create; 2299 lpfc_transport_functions.vport_delete = lpfc_vport_delete; 2300 } 2301 lpfc_transport_template = 2302 fc_attach_transport(&lpfc_transport_functions); 2303 if (lpfc_transport_template == NULL) 2304 return -ENOMEM; 2305 if (lpfc_enable_npiv) { 2306 lpfc_transport_functions.vport_create = NULL; 2307 lpfc_transport_functions.vport_delete = NULL; 2308 lpfc_transport_functions.issue_fc_host_lip = NULL; 2309 lpfc_transport_functions.vport_disable = lpfc_vport_disable; 2310 lpfc_vport_transport_template = 2311 fc_attach_transport(&lpfc_transport_functions); 2312 if (lpfc_vport_transport_template == NULL) 2313 return -ENOMEM; 2314 } 2315 error = pci_register_driver(&lpfc_driver); 2316 if (error) { 2317 fc_release_transport(lpfc_transport_template); 2318 fc_release_transport(lpfc_vport_transport_template); 2319 } 2320 2321 return error; 2322 } 2323 2324 static void __exit 2325 lpfc_exit(void) 2326 { 2327 pci_unregister_driver(&lpfc_driver); 2328 fc_release_transport(lpfc_transport_template); 2329 if (lpfc_enable_npiv) 2330 fc_release_transport(lpfc_vport_transport_template); 2331 } 2332 2333 module_init(lpfc_init); 2334 module_exit(lpfc_exit); 2335 MODULE_LICENSE("GPL"); 2336 MODULE_DESCRIPTION(LPFC_MODULE_DESC); 2337 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); 2338 MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 2339