1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2008 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 spin_lock_irq(&phba->hbalock); 250 /* 251 * If the Config port completed correctly the HBA is not 252 * over heated any more. 253 */ 254 if (phba->over_temp_state == HBA_OVER_TEMP) 255 phba->over_temp_state = HBA_NORMAL_TEMP; 256 spin_unlock_irq(&phba->hbalock); 257 258 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 259 if (!pmb) { 260 phba->link_state = LPFC_HBA_ERROR; 261 return -ENOMEM; 262 } 263 mb = &pmb->mb; 264 265 /* Get login parameters for NID. */ 266 lpfc_read_sparam(phba, pmb, 0); 267 pmb->vport = vport; 268 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 270 "0448 Adapter failed init, mbxCmd x%x " 271 "READ_SPARM mbxStatus x%x\n", 272 mb->mbxCommand, mb->mbxStatus); 273 phba->link_state = LPFC_HBA_ERROR; 274 mp = (struct lpfc_dmabuf *) pmb->context1; 275 mempool_free( pmb, phba->mbox_mem_pool); 276 lpfc_mbuf_free(phba, mp->virt, mp->phys); 277 kfree(mp); 278 return -EIO; 279 } 280 281 mp = (struct lpfc_dmabuf *) pmb->context1; 282 283 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); 284 lpfc_mbuf_free(phba, mp->virt, mp->phys); 285 kfree(mp); 286 pmb->context1 = NULL; 287 288 if (phba->cfg_soft_wwnn) 289 u64_to_wwn(phba->cfg_soft_wwnn, 290 vport->fc_sparam.nodeName.u.wwn); 291 if (phba->cfg_soft_wwpn) 292 u64_to_wwn(phba->cfg_soft_wwpn, 293 vport->fc_sparam.portName.u.wwn); 294 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, 295 sizeof (struct lpfc_name)); 296 memcpy(&vport->fc_portname, &vport->fc_sparam.portName, 297 sizeof (struct lpfc_name)); 298 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 299 /* This should be consolidated into parse_vpd ? - mr */ 300 if (phba->SerialNumber[0] == 0) { 301 uint8_t *outptr; 302 303 outptr = &vport->fc_nodename.u.s.IEEE[0]; 304 for (i = 0; i < 12; i++) { 305 status = *outptr++; 306 j = ((status & 0xf0) >> 4); 307 if (j <= 9) 308 phba->SerialNumber[i] = 309 (char)((uint8_t) 0x30 + (uint8_t) j); 310 else 311 phba->SerialNumber[i] = 312 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 313 i++; 314 j = (status & 0xf); 315 if (j <= 9) 316 phba->SerialNumber[i] = 317 (char)((uint8_t) 0x30 + (uint8_t) j); 318 else 319 phba->SerialNumber[i] = 320 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 321 } 322 } 323 324 lpfc_read_config(phba, pmb); 325 pmb->vport = vport; 326 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 327 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 328 "0453 Adapter failed to init, mbxCmd x%x " 329 "READ_CONFIG, mbxStatus x%x\n", 330 mb->mbxCommand, mb->mbxStatus); 331 phba->link_state = LPFC_HBA_ERROR; 332 mempool_free( pmb, phba->mbox_mem_pool); 333 return -EIO; 334 } 335 336 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 337 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) 338 phba->cfg_hba_queue_depth = 339 mb->un.varRdConfig.max_xri + 1; 340 341 phba->lmt = mb->un.varRdConfig.lmt; 342 343 /* Get the default values for Model Name and Description */ 344 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 345 346 if ((phba->cfg_link_speed > LINK_SPEED_10G) 347 || ((phba->cfg_link_speed == LINK_SPEED_1G) 348 && !(phba->lmt & LMT_1Gb)) 349 || ((phba->cfg_link_speed == LINK_SPEED_2G) 350 && !(phba->lmt & LMT_2Gb)) 351 || ((phba->cfg_link_speed == LINK_SPEED_4G) 352 && !(phba->lmt & LMT_4Gb)) 353 || ((phba->cfg_link_speed == LINK_SPEED_8G) 354 && !(phba->lmt & LMT_8Gb)) 355 || ((phba->cfg_link_speed == LINK_SPEED_10G) 356 && !(phba->lmt & LMT_10Gb))) { 357 /* Reset link speed to auto */ 358 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, 359 "1302 Invalid speed for this board: " 360 "Reset link speed to auto: x%x\n", 361 phba->cfg_link_speed); 362 phba->cfg_link_speed = LINK_SPEED_AUTO; 363 } 364 365 phba->link_state = LPFC_LINK_DOWN; 366 367 /* Only process IOCBs on ELS ring till hba_state is READY */ 368 if (psli->ring[psli->extra_ring].cmdringaddr) 369 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; 370 if (psli->ring[psli->fcp_ring].cmdringaddr) 371 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; 372 if (psli->ring[psli->next_ring].cmdringaddr) 373 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; 374 375 /* Post receive buffers for desired rings */ 376 if (phba->sli_rev != 3) 377 lpfc_post_rcv_buf(phba); 378 379 /* Enable appropriate host interrupts */ 380 spin_lock_irq(&phba->hbalock); 381 status = readl(phba->HCregaddr); 382 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 383 if (psli->num_rings > 0) 384 status |= HC_R0INT_ENA; 385 if (psli->num_rings > 1) 386 status |= HC_R1INT_ENA; 387 if (psli->num_rings > 2) 388 status |= HC_R2INT_ENA; 389 if (psli->num_rings > 3) 390 status |= HC_R3INT_ENA; 391 392 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && 393 (phba->cfg_poll & DISABLE_FCP_RING_INT)) 394 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); 395 396 writel(status, phba->HCregaddr); 397 readl(phba->HCregaddr); /* flush */ 398 spin_unlock_irq(&phba->hbalock); 399 400 /* 401 * Setup the ring 0 (els) timeout handler 402 */ 403 timeout = phba->fc_ratov << 1; 404 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); 405 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 406 phba->hb_outstanding = 0; 407 phba->last_completion_time = jiffies; 408 409 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); 410 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 411 pmb->vport = vport; 412 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 413 lpfc_set_loopback_flag(phba); 414 if (rc != MBX_SUCCESS) { 415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 416 "0454 Adapter failed to init, mbxCmd x%x " 417 "INIT_LINK, mbxStatus x%x\n", 418 mb->mbxCommand, mb->mbxStatus); 419 420 /* Clear all interrupt enable conditions */ 421 writel(0, phba->HCregaddr); 422 readl(phba->HCregaddr); /* flush */ 423 /* Clear all pending interrupts */ 424 writel(0xffffffff, phba->HAregaddr); 425 readl(phba->HAregaddr); /* flush */ 426 427 phba->link_state = LPFC_HBA_ERROR; 428 if (rc != MBX_BUSY) 429 mempool_free(pmb, phba->mbox_mem_pool); 430 return -EIO; 431 } 432 /* MBOX buffer will be freed in mbox compl */ 433 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 434 lpfc_config_async(phba, pmb, LPFC_ELS_RING); 435 pmb->mbox_cmpl = lpfc_config_async_cmpl; 436 pmb->vport = phba->pport; 437 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 438 439 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 440 lpfc_printf_log(phba, 441 KERN_ERR, 442 LOG_INIT, 443 "0456 Adapter failed to issue " 444 "ASYNCEVT_ENABLE mbox status x%x \n.", 445 rc); 446 mempool_free(pmb, phba->mbox_mem_pool); 447 } 448 return (0); 449 } 450 451 /************************************************************************/ 452 /* */ 453 /* lpfc_hba_down_prep */ 454 /* This routine will do LPFC uninitialization before the */ 455 /* HBA is reset when bringing down the SLI Layer. This will be */ 456 /* initialized as a SLI layer callback routine. */ 457 /* This routine returns 0 on success. Any other return value */ 458 /* indicates an error. */ 459 /* */ 460 /************************************************************************/ 461 int 462 lpfc_hba_down_prep(struct lpfc_hba *phba) 463 { 464 struct lpfc_vport **vports; 465 int i; 466 /* Disable interrupts */ 467 writel(0, phba->HCregaddr); 468 readl(phba->HCregaddr); /* flush */ 469 470 if (phba->pport->load_flag & FC_UNLOADING) 471 lpfc_cleanup_discovery_resources(phba->pport); 472 else { 473 vports = lpfc_create_vport_work_array(phba); 474 if (vports != NULL) 475 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) 476 lpfc_cleanup_discovery_resources(vports[i]); 477 lpfc_destroy_vport_work_array(phba, vports); 478 } 479 return 0; 480 } 481 482 /************************************************************************/ 483 /* */ 484 /* lpfc_hba_down_post */ 485 /* This routine will do uninitialization after the HBA is reset */ 486 /* when bringing down the SLI Layer. */ 487 /* This routine returns 0 on success. Any other return value */ 488 /* indicates an error. */ 489 /* */ 490 /************************************************************************/ 491 int 492 lpfc_hba_down_post(struct lpfc_hba *phba) 493 { 494 struct lpfc_sli *psli = &phba->sli; 495 struct lpfc_sli_ring *pring; 496 struct lpfc_dmabuf *mp, *next_mp; 497 struct lpfc_iocbq *iocb; 498 IOCB_t *cmd = NULL; 499 LIST_HEAD(completions); 500 int i; 501 502 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) 503 lpfc_sli_hbqbuf_free_all(phba); 504 else { 505 /* Cleanup preposted buffers on the ELS ring */ 506 pring = &psli->ring[LPFC_ELS_RING]; 507 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { 508 list_del(&mp->list); 509 pring->postbufq_cnt--; 510 lpfc_mbuf_free(phba, mp->virt, mp->phys); 511 kfree(mp); 512 } 513 } 514 515 spin_lock_irq(&phba->hbalock); 516 for (i = 0; i < psli->num_rings; i++) { 517 pring = &psli->ring[i]; 518 519 /* At this point in time the HBA is either reset or DOA. Either 520 * way, nothing should be on txcmplq as it will NEVER complete. 521 */ 522 list_splice_init(&pring->txcmplq, &completions); 523 pring->txcmplq_cnt = 0; 524 spin_unlock_irq(&phba->hbalock); 525 526 while (!list_empty(&completions)) { 527 iocb = list_get_first(&completions, struct lpfc_iocbq, 528 list); 529 cmd = &iocb->iocb; 530 list_del_init(&iocb->list); 531 532 if (!iocb->iocb_cmpl) 533 lpfc_sli_release_iocbq(phba, iocb); 534 else { 535 cmd->ulpStatus = IOSTAT_LOCAL_REJECT; 536 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; 537 (iocb->iocb_cmpl) (phba, iocb, iocb); 538 } 539 } 540 541 lpfc_sli_abort_iocb_ring(phba, pring); 542 spin_lock_irq(&phba->hbalock); 543 } 544 spin_unlock_irq(&phba->hbalock); 545 546 return 0; 547 } 548 549 /* HBA heart beat timeout handler */ 550 static void 551 lpfc_hb_timeout(unsigned long ptr) 552 { 553 struct lpfc_hba *phba; 554 unsigned long iflag; 555 556 phba = (struct lpfc_hba *)ptr; 557 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 558 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) 559 phba->pport->work_port_events |= WORKER_HB_TMO; 560 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 561 562 spin_lock_irqsave(&phba->hbalock, iflag); 563 if (phba->work_wait) 564 wake_up(phba->work_wait); 565 spin_unlock_irqrestore(&phba->hbalock, iflag); 566 return; 567 } 568 569 static void 570 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 571 { 572 unsigned long drvr_flag; 573 574 spin_lock_irqsave(&phba->hbalock, drvr_flag); 575 phba->hb_outstanding = 0; 576 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 577 578 mempool_free(pmboxq, phba->mbox_mem_pool); 579 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && 580 !(phba->link_state == LPFC_HBA_ERROR) && 581 !(phba->pport->load_flag & FC_UNLOADING)) 582 mod_timer(&phba->hb_tmofunc, 583 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 584 return; 585 } 586 587 void 588 lpfc_hb_timeout_handler(struct lpfc_hba *phba) 589 { 590 LPFC_MBOXQ_t *pmboxq; 591 struct lpfc_dmabuf *buf_ptr; 592 int retval; 593 struct lpfc_sli *psli = &phba->sli; 594 LIST_HEAD(completions); 595 596 if ((phba->link_state == LPFC_HBA_ERROR) || 597 (phba->pport->load_flag & FC_UNLOADING) || 598 (phba->pport->fc_flag & FC_OFFLINE_MODE)) 599 return; 600 601 spin_lock_irq(&phba->pport->work_port_lock); 602 /* If the timer is already canceled do nothing */ 603 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { 604 spin_unlock_irq(&phba->pport->work_port_lock); 605 return; 606 } 607 608 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, 609 jiffies)) { 610 spin_unlock_irq(&phba->pport->work_port_lock); 611 if (!phba->hb_outstanding) 612 mod_timer(&phba->hb_tmofunc, 613 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 614 else 615 mod_timer(&phba->hb_tmofunc, 616 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 617 return; 618 } 619 spin_unlock_irq(&phba->pport->work_port_lock); 620 621 if (phba->elsbuf_cnt && 622 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { 623 spin_lock_irq(&phba->hbalock); 624 list_splice_init(&phba->elsbuf, &completions); 625 phba->elsbuf_cnt = 0; 626 phba->elsbuf_prev_cnt = 0; 627 spin_unlock_irq(&phba->hbalock); 628 629 while (!list_empty(&completions)) { 630 list_remove_head(&completions, buf_ptr, 631 struct lpfc_dmabuf, list); 632 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 633 kfree(buf_ptr); 634 } 635 } 636 phba->elsbuf_prev_cnt = phba->elsbuf_cnt; 637 638 /* If there is no heart beat outstanding, issue a heartbeat command */ 639 if (phba->cfg_enable_hba_heartbeat) { 640 if (!phba->hb_outstanding) { 641 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 642 if (!pmboxq) { 643 mod_timer(&phba->hb_tmofunc, 644 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 645 return; 646 } 647 648 lpfc_heart_beat(phba, pmboxq); 649 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; 650 pmboxq->vport = phba->pport; 651 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); 652 653 if (retval != MBX_BUSY && retval != MBX_SUCCESS) { 654 mempool_free(pmboxq, phba->mbox_mem_pool); 655 mod_timer(&phba->hb_tmofunc, 656 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 657 return; 658 } 659 mod_timer(&phba->hb_tmofunc, 660 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 661 phba->hb_outstanding = 1; 662 return; 663 } else { 664 /* 665 * If heart beat timeout called with hb_outstanding set 666 * we need to take the HBA offline. 667 */ 668 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 669 "0459 Adapter heartbeat failure, " 670 "taking this port offline.\n"); 671 672 spin_lock_irq(&phba->hbalock); 673 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 674 spin_unlock_irq(&phba->hbalock); 675 676 lpfc_offline_prep(phba); 677 lpfc_offline(phba); 678 lpfc_unblock_mgmt_io(phba); 679 phba->link_state = LPFC_HBA_ERROR; 680 lpfc_hba_down_post(phba); 681 } 682 } 683 } 684 685 static void 686 lpfc_offline_eratt(struct lpfc_hba *phba) 687 { 688 struct lpfc_sli *psli = &phba->sli; 689 690 spin_lock_irq(&phba->hbalock); 691 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 692 spin_unlock_irq(&phba->hbalock); 693 lpfc_offline_prep(phba); 694 695 lpfc_offline(phba); 696 lpfc_reset_barrier(phba); 697 lpfc_sli_brdreset(phba); 698 lpfc_hba_down_post(phba); 699 lpfc_sli_brdready(phba, HS_MBRDY); 700 lpfc_unblock_mgmt_io(phba); 701 phba->link_state = LPFC_HBA_ERROR; 702 return; 703 } 704 705 /************************************************************************/ 706 /* */ 707 /* lpfc_handle_eratt */ 708 /* This routine will handle processing a Host Attention */ 709 /* Error Status event. This will be initialized */ 710 /* as a SLI layer callback routine. */ 711 /* */ 712 /************************************************************************/ 713 void 714 lpfc_handle_eratt(struct lpfc_hba *phba) 715 { 716 struct lpfc_vport *vport = phba->pport; 717 struct lpfc_sli *psli = &phba->sli; 718 struct lpfc_sli_ring *pring; 719 uint32_t event_data; 720 unsigned long temperature; 721 struct temp_event temp_event_data; 722 struct Scsi_Host *shost; 723 724 /* If the pci channel is offline, ignore possible errors, 725 * since we cannot communicate with the pci card anyway. */ 726 if (pci_channel_offline(phba->pcidev)) 727 return; 728 /* If resets are disabled then leave the HBA alone and return */ 729 if (!phba->cfg_enable_hba_reset) 730 return; 731 732 if (phba->work_hs & HS_FFER6) { 733 /* Re-establishing Link */ 734 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 735 "1301 Re-establishing Link " 736 "Data: x%x x%x x%x\n", 737 phba->work_hs, 738 phba->work_status[0], phba->work_status[1]); 739 740 spin_lock_irq(&phba->hbalock); 741 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 742 spin_unlock_irq(&phba->hbalock); 743 744 /* 745 * Firmware stops when it triggled erratt with HS_FFER6. 746 * That could cause the I/Os dropped by the firmware. 747 * Error iocb (I/O) on txcmplq and let the SCSI layer 748 * retry it after re-establishing link. 749 */ 750 pring = &psli->ring[psli->fcp_ring]; 751 lpfc_sli_abort_iocb_ring(phba, pring); 752 753 /* 754 * There was a firmware error. Take the hba offline and then 755 * attempt to restart it. 756 */ 757 lpfc_offline_prep(phba); 758 lpfc_offline(phba); 759 lpfc_sli_brdrestart(phba); 760 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 761 lpfc_unblock_mgmt_io(phba); 762 return; 763 } 764 lpfc_unblock_mgmt_io(phba); 765 } else if (phba->work_hs & HS_CRIT_TEMP) { 766 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); 767 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 768 temp_event_data.event_code = LPFC_CRIT_TEMP; 769 temp_event_data.data = (uint32_t)temperature; 770 771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 772 "0459 Adapter maximum temperature exceeded " 773 "(%ld), taking this port offline " 774 "Data: x%x x%x x%x\n", 775 temperature, phba->work_hs, 776 phba->work_status[0], phba->work_status[1]); 777 778 shost = lpfc_shost_from_vport(phba->pport); 779 fc_host_post_vendor_event(shost, fc_get_event_number(), 780 sizeof(temp_event_data), 781 (char *) &temp_event_data, 782 SCSI_NL_VID_TYPE_PCI 783 | PCI_VENDOR_ID_EMULEX); 784 785 spin_lock_irq(&phba->hbalock); 786 phba->over_temp_state = HBA_OVER_TEMP; 787 spin_unlock_irq(&phba->hbalock); 788 lpfc_offline_eratt(phba); 789 790 } else { 791 /* The if clause above forces this code path when the status 792 * failure is a value other than FFER6. Do not call the offline 793 * twice. This is the adapter hardware error path. 794 */ 795 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 796 "0457 Adapter Hardware Error " 797 "Data: x%x x%x x%x\n", 798 phba->work_hs, 799 phba->work_status[0], phba->work_status[1]); 800 801 event_data = FC_REG_DUMP_EVENT; 802 shost = lpfc_shost_from_vport(vport); 803 fc_host_post_vendor_event(shost, fc_get_event_number(), 804 sizeof(event_data), (char *) &event_data, 805 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 806 807 lpfc_offline_eratt(phba); 808 } 809 } 810 811 /************************************************************************/ 812 /* */ 813 /* lpfc_handle_latt */ 814 /* This routine will handle processing a Host Attention */ 815 /* Link Status event. This will be initialized */ 816 /* as a SLI layer callback routine. */ 817 /* */ 818 /************************************************************************/ 819 void 820 lpfc_handle_latt(struct lpfc_hba *phba) 821 { 822 struct lpfc_vport *vport = phba->pport; 823 struct lpfc_sli *psli = &phba->sli; 824 LPFC_MBOXQ_t *pmb; 825 volatile uint32_t control; 826 struct lpfc_dmabuf *mp; 827 int rc = 0; 828 829 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 830 if (!pmb) { 831 rc = 1; 832 goto lpfc_handle_latt_err_exit; 833 } 834 835 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 836 if (!mp) { 837 rc = 2; 838 goto lpfc_handle_latt_free_pmb; 839 } 840 841 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 842 if (!mp->virt) { 843 rc = 3; 844 goto lpfc_handle_latt_free_mp; 845 } 846 847 /* Cleanup any outstanding ELS commands */ 848 lpfc_els_flush_all_cmd(phba); 849 850 psli->slistat.link_event++; 851 lpfc_read_la(phba, pmb, mp); 852 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 853 pmb->vport = vport; 854 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); 855 if (rc == MBX_NOT_FINISHED) { 856 rc = 4; 857 goto lpfc_handle_latt_free_mbuf; 858 } 859 860 /* Clear Link Attention in HA REG */ 861 spin_lock_irq(&phba->hbalock); 862 writel(HA_LATT, phba->HAregaddr); 863 readl(phba->HAregaddr); /* flush */ 864 spin_unlock_irq(&phba->hbalock); 865 866 return; 867 868 lpfc_handle_latt_free_mbuf: 869 lpfc_mbuf_free(phba, mp->virt, mp->phys); 870 lpfc_handle_latt_free_mp: 871 kfree(mp); 872 lpfc_handle_latt_free_pmb: 873 mempool_free(pmb, phba->mbox_mem_pool); 874 lpfc_handle_latt_err_exit: 875 /* Enable Link attention interrupts */ 876 spin_lock_irq(&phba->hbalock); 877 psli->sli_flag |= LPFC_PROCESS_LA; 878 control = readl(phba->HCregaddr); 879 control |= HC_LAINT_ENA; 880 writel(control, phba->HCregaddr); 881 readl(phba->HCregaddr); /* flush */ 882 883 /* Clear Link Attention in HA REG */ 884 writel(HA_LATT, phba->HAregaddr); 885 readl(phba->HAregaddr); /* flush */ 886 spin_unlock_irq(&phba->hbalock); 887 lpfc_linkdown(phba); 888 phba->link_state = LPFC_HBA_ERROR; 889 890 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 891 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); 892 893 return; 894 } 895 896 /************************************************************************/ 897 /* */ 898 /* lpfc_parse_vpd */ 899 /* This routine will parse the VPD data */ 900 /* */ 901 /************************************************************************/ 902 static int 903 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) 904 { 905 uint8_t lenlo, lenhi; 906 int Length; 907 int i, j; 908 int finished = 0; 909 int index = 0; 910 911 if (!vpd) 912 return 0; 913 914 /* Vital Product */ 915 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 916 "0455 Vital Product Data: x%x x%x x%x x%x\n", 917 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 918 (uint32_t) vpd[3]); 919 while (!finished && (index < (len - 4))) { 920 switch (vpd[index]) { 921 case 0x82: 922 case 0x91: 923 index += 1; 924 lenlo = vpd[index]; 925 index += 1; 926 lenhi = vpd[index]; 927 index += 1; 928 i = ((((unsigned short)lenhi) << 8) + lenlo); 929 index += i; 930 break; 931 case 0x90: 932 index += 1; 933 lenlo = vpd[index]; 934 index += 1; 935 lenhi = vpd[index]; 936 index += 1; 937 Length = ((((unsigned short)lenhi) << 8) + lenlo); 938 if (Length > len - index) 939 Length = len - index; 940 while (Length > 0) { 941 /* Look for Serial Number */ 942 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 943 index += 2; 944 i = vpd[index]; 945 index += 1; 946 j = 0; 947 Length -= (3+i); 948 while(i--) { 949 phba->SerialNumber[j++] = vpd[index++]; 950 if (j == 31) 951 break; 952 } 953 phba->SerialNumber[j] = 0; 954 continue; 955 } 956 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 957 phba->vpd_flag |= VPD_MODEL_DESC; 958 index += 2; 959 i = vpd[index]; 960 index += 1; 961 j = 0; 962 Length -= (3+i); 963 while(i--) { 964 phba->ModelDesc[j++] = vpd[index++]; 965 if (j == 255) 966 break; 967 } 968 phba->ModelDesc[j] = 0; 969 continue; 970 } 971 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 972 phba->vpd_flag |= VPD_MODEL_NAME; 973 index += 2; 974 i = vpd[index]; 975 index += 1; 976 j = 0; 977 Length -= (3+i); 978 while(i--) { 979 phba->ModelName[j++] = vpd[index++]; 980 if (j == 79) 981 break; 982 } 983 phba->ModelName[j] = 0; 984 continue; 985 } 986 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 987 phba->vpd_flag |= VPD_PROGRAM_TYPE; 988 index += 2; 989 i = vpd[index]; 990 index += 1; 991 j = 0; 992 Length -= (3+i); 993 while(i--) { 994 phba->ProgramType[j++] = vpd[index++]; 995 if (j == 255) 996 break; 997 } 998 phba->ProgramType[j] = 0; 999 continue; 1000 } 1001 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 1002 phba->vpd_flag |= VPD_PORT; 1003 index += 2; 1004 i = vpd[index]; 1005 index += 1; 1006 j = 0; 1007 Length -= (3+i); 1008 while(i--) { 1009 phba->Port[j++] = vpd[index++]; 1010 if (j == 19) 1011 break; 1012 } 1013 phba->Port[j] = 0; 1014 continue; 1015 } 1016 else { 1017 index += 2; 1018 i = vpd[index]; 1019 index += 1; 1020 index += i; 1021 Length -= (3 + i); 1022 } 1023 } 1024 finished = 0; 1025 break; 1026 case 0x78: 1027 finished = 1; 1028 break; 1029 default: 1030 index ++; 1031 break; 1032 } 1033 } 1034 1035 return(1); 1036 } 1037 1038 static void 1039 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) 1040 { 1041 lpfc_vpd_t *vp; 1042 uint16_t dev_id = phba->pcidev->device; 1043 int max_speed; 1044 struct { 1045 char * name; 1046 int max_speed; 1047 char * bus; 1048 } m = {"<Unknown>", 0, ""}; 1049 1050 if (mdp && mdp[0] != '\0' 1051 && descp && descp[0] != '\0') 1052 return; 1053 1054 if (phba->lmt & LMT_10Gb) 1055 max_speed = 10; 1056 else if (phba->lmt & LMT_8Gb) 1057 max_speed = 8; 1058 else if (phba->lmt & LMT_4Gb) 1059 max_speed = 4; 1060 else if (phba->lmt & LMT_2Gb) 1061 max_speed = 2; 1062 else 1063 max_speed = 1; 1064 1065 vp = &phba->vpd; 1066 1067 switch (dev_id) { 1068 case PCI_DEVICE_ID_FIREFLY: 1069 m = (typeof(m)){"LP6000", max_speed, "PCI"}; 1070 break; 1071 case PCI_DEVICE_ID_SUPERFLY: 1072 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 1073 m = (typeof(m)){"LP7000", max_speed, "PCI"}; 1074 else 1075 m = (typeof(m)){"LP7000E", max_speed, "PCI"}; 1076 break; 1077 case PCI_DEVICE_ID_DRAGONFLY: 1078 m = (typeof(m)){"LP8000", max_speed, "PCI"}; 1079 break; 1080 case PCI_DEVICE_ID_CENTAUR: 1081 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 1082 m = (typeof(m)){"LP9002", max_speed, "PCI"}; 1083 else 1084 m = (typeof(m)){"LP9000", max_speed, "PCI"}; 1085 break; 1086 case PCI_DEVICE_ID_RFLY: 1087 m = (typeof(m)){"LP952", max_speed, "PCI"}; 1088 break; 1089 case PCI_DEVICE_ID_PEGASUS: 1090 m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; 1091 break; 1092 case PCI_DEVICE_ID_THOR: 1093 m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; 1094 break; 1095 case PCI_DEVICE_ID_VIPER: 1096 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; 1097 break; 1098 case PCI_DEVICE_ID_PFLY: 1099 m = (typeof(m)){"LP982", max_speed, "PCI-X"}; 1100 break; 1101 case PCI_DEVICE_ID_TFLY: 1102 m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; 1103 break; 1104 case PCI_DEVICE_ID_HELIOS: 1105 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; 1106 break; 1107 case PCI_DEVICE_ID_HELIOS_SCSP: 1108 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; 1109 break; 1110 case PCI_DEVICE_ID_HELIOS_DCSP: 1111 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; 1112 break; 1113 case PCI_DEVICE_ID_NEPTUNE: 1114 m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; 1115 break; 1116 case PCI_DEVICE_ID_NEPTUNE_SCSP: 1117 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; 1118 break; 1119 case PCI_DEVICE_ID_NEPTUNE_DCSP: 1120 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; 1121 break; 1122 case PCI_DEVICE_ID_BMID: 1123 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; 1124 break; 1125 case PCI_DEVICE_ID_BSMB: 1126 m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; 1127 break; 1128 case PCI_DEVICE_ID_ZEPHYR: 1129 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1130 break; 1131 case PCI_DEVICE_ID_ZEPHYR_SCSP: 1132 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1133 break; 1134 case PCI_DEVICE_ID_ZEPHYR_DCSP: 1135 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; 1136 break; 1137 case PCI_DEVICE_ID_ZMID: 1138 m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; 1139 break; 1140 case PCI_DEVICE_ID_ZSMB: 1141 m = (typeof(m)){"LPe111", max_speed, "PCIe"}; 1142 break; 1143 case PCI_DEVICE_ID_LP101: 1144 m = (typeof(m)){"LP101", max_speed, "PCI-X"}; 1145 break; 1146 case PCI_DEVICE_ID_LP10000S: 1147 m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; 1148 break; 1149 case PCI_DEVICE_ID_LP11000S: 1150 m = (typeof(m)){"LP11000-S", max_speed, 1151 "PCI-X2"}; 1152 break; 1153 case PCI_DEVICE_ID_LPE11000S: 1154 m = (typeof(m)){"LPe11000-S", max_speed, 1155 "PCIe"}; 1156 break; 1157 case PCI_DEVICE_ID_SAT: 1158 m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; 1159 break; 1160 case PCI_DEVICE_ID_SAT_MID: 1161 m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; 1162 break; 1163 case PCI_DEVICE_ID_SAT_SMB: 1164 m = (typeof(m)){"LPe121", max_speed, "PCIe"}; 1165 break; 1166 case PCI_DEVICE_ID_SAT_DCSP: 1167 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; 1168 break; 1169 case PCI_DEVICE_ID_SAT_SCSP: 1170 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; 1171 break; 1172 case PCI_DEVICE_ID_SAT_S: 1173 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; 1174 break; 1175 default: 1176 m = (typeof(m)){ NULL }; 1177 break; 1178 } 1179 1180 if (mdp && mdp[0] == '\0') 1181 snprintf(mdp, 79,"%s", m.name); 1182 if (descp && descp[0] == '\0') 1183 snprintf(descp, 255, 1184 "Emulex %s %dGb %s Fibre Channel Adapter", 1185 m.name, m.max_speed, m.bus); 1186 } 1187 1188 /**************************************************/ 1189 /* lpfc_post_buffer */ 1190 /* */ 1191 /* This routine will post count buffers to the */ 1192 /* ring with the QUE_RING_BUF_CN command. This */ 1193 /* allows 3 buffers / command to be posted. */ 1194 /* Returns the number of buffers NOT posted. */ 1195 /**************************************************/ 1196 int 1197 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, 1198 int type) 1199 { 1200 IOCB_t *icmd; 1201 struct lpfc_iocbq *iocb; 1202 struct lpfc_dmabuf *mp1, *mp2; 1203 1204 cnt += pring->missbufcnt; 1205 1206 /* While there are buffers to post */ 1207 while (cnt > 0) { 1208 /* Allocate buffer for command iocb */ 1209 iocb = lpfc_sli_get_iocbq(phba); 1210 if (iocb == NULL) { 1211 pring->missbufcnt = cnt; 1212 return cnt; 1213 } 1214 icmd = &iocb->iocb; 1215 1216 /* 2 buffers can be posted per command */ 1217 /* Allocate buffer to post */ 1218 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1219 if (mp1) 1220 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); 1221 if (!mp1 || !mp1->virt) { 1222 kfree(mp1); 1223 lpfc_sli_release_iocbq(phba, iocb); 1224 pring->missbufcnt = cnt; 1225 return cnt; 1226 } 1227 1228 INIT_LIST_HEAD(&mp1->list); 1229 /* Allocate buffer to post */ 1230 if (cnt > 1) { 1231 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1232 if (mp2) 1233 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 1234 &mp2->phys); 1235 if (!mp2 || !mp2->virt) { 1236 kfree(mp2); 1237 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1238 kfree(mp1); 1239 lpfc_sli_release_iocbq(phba, iocb); 1240 pring->missbufcnt = cnt; 1241 return cnt; 1242 } 1243 1244 INIT_LIST_HEAD(&mp2->list); 1245 } else { 1246 mp2 = NULL; 1247 } 1248 1249 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 1250 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 1251 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 1252 icmd->ulpBdeCount = 1; 1253 cnt--; 1254 if (mp2) { 1255 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 1256 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 1257 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 1258 cnt--; 1259 icmd->ulpBdeCount = 2; 1260 } 1261 1262 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 1263 icmd->ulpLe = 1; 1264 1265 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 1266 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1267 kfree(mp1); 1268 cnt++; 1269 if (mp2) { 1270 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 1271 kfree(mp2); 1272 cnt++; 1273 } 1274 lpfc_sli_release_iocbq(phba, iocb); 1275 pring->missbufcnt = cnt; 1276 return cnt; 1277 } 1278 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 1279 if (mp2) 1280 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 1281 } 1282 pring->missbufcnt = 0; 1283 return 0; 1284 } 1285 1286 /************************************************************************/ 1287 /* */ 1288 /* lpfc_post_rcv_buf */ 1289 /* This routine post initial rcv buffers to the configured rings */ 1290 /* */ 1291 /************************************************************************/ 1292 static int 1293 lpfc_post_rcv_buf(struct lpfc_hba *phba) 1294 { 1295 struct lpfc_sli *psli = &phba->sli; 1296 1297 /* Ring 0, ELS / CT buffers */ 1298 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 1299 /* Ring 2 - FCP no buffers needed */ 1300 1301 return 0; 1302 } 1303 1304 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 1305 1306 /************************************************************************/ 1307 /* */ 1308 /* lpfc_sha_init */ 1309 /* */ 1310 /************************************************************************/ 1311 static void 1312 lpfc_sha_init(uint32_t * HashResultPointer) 1313 { 1314 HashResultPointer[0] = 0x67452301; 1315 HashResultPointer[1] = 0xEFCDAB89; 1316 HashResultPointer[2] = 0x98BADCFE; 1317 HashResultPointer[3] = 0x10325476; 1318 HashResultPointer[4] = 0xC3D2E1F0; 1319 } 1320 1321 /************************************************************************/ 1322 /* */ 1323 /* lpfc_sha_iterate */ 1324 /* */ 1325 /************************************************************************/ 1326 static void 1327 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1328 { 1329 int t; 1330 uint32_t TEMP; 1331 uint32_t A, B, C, D, E; 1332 t = 16; 1333 do { 1334 HashWorkingPointer[t] = 1335 S(1, 1336 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1337 8] ^ 1338 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1339 } while (++t <= 79); 1340 t = 0; 1341 A = HashResultPointer[0]; 1342 B = HashResultPointer[1]; 1343 C = HashResultPointer[2]; 1344 D = HashResultPointer[3]; 1345 E = HashResultPointer[4]; 1346 1347 do { 1348 if (t < 20) { 1349 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1350 } else if (t < 40) { 1351 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1352 } else if (t < 60) { 1353 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1354 } else { 1355 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1356 } 1357 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1358 E = D; 1359 D = C; 1360 C = S(30, B); 1361 B = A; 1362 A = TEMP; 1363 } while (++t <= 79); 1364 1365 HashResultPointer[0] += A; 1366 HashResultPointer[1] += B; 1367 HashResultPointer[2] += C; 1368 HashResultPointer[3] += D; 1369 HashResultPointer[4] += E; 1370 1371 } 1372 1373 /************************************************************************/ 1374 /* */ 1375 /* lpfc_challenge_key */ 1376 /* */ 1377 /************************************************************************/ 1378 static void 1379 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1380 { 1381 *HashWorking = (*RandomChallenge ^ *HashWorking); 1382 } 1383 1384 /************************************************************************/ 1385 /* */ 1386 /* lpfc_hba_init */ 1387 /* */ 1388 /************************************************************************/ 1389 void 1390 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1391 { 1392 int t; 1393 uint32_t *HashWorking; 1394 uint32_t *pwwnn = (uint32_t *) phba->wwnn; 1395 1396 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); 1397 if (!HashWorking) 1398 return; 1399 1400 HashWorking[0] = HashWorking[78] = *pwwnn++; 1401 HashWorking[1] = HashWorking[79] = *pwwnn; 1402 1403 for (t = 0; t < 7; t++) 1404 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1405 1406 lpfc_sha_init(hbainit); 1407 lpfc_sha_iterate(hbainit, HashWorking); 1408 kfree(HashWorking); 1409 } 1410 1411 void 1412 lpfc_cleanup(struct lpfc_vport *vport) 1413 { 1414 struct lpfc_hba *phba = vport->phba; 1415 struct lpfc_nodelist *ndlp, *next_ndlp; 1416 int i = 0; 1417 1418 if (phba->link_state > LPFC_LINK_DOWN) 1419 lpfc_port_link_failure(vport); 1420 1421 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 1422 if (!NLP_CHK_NODE_ACT(ndlp)) { 1423 ndlp = lpfc_enable_node(vport, ndlp, 1424 NLP_STE_UNUSED_NODE); 1425 if (!ndlp) 1426 continue; 1427 spin_lock_irq(&phba->ndlp_lock); 1428 NLP_SET_FREE_REQ(ndlp); 1429 spin_unlock_irq(&phba->ndlp_lock); 1430 /* Trigger the release of the ndlp memory */ 1431 lpfc_nlp_put(ndlp); 1432 continue; 1433 } 1434 spin_lock_irq(&phba->ndlp_lock); 1435 if (NLP_CHK_FREE_REQ(ndlp)) { 1436 /* The ndlp should not be in memory free mode already */ 1437 spin_unlock_irq(&phba->ndlp_lock); 1438 continue; 1439 } else 1440 /* Indicate request for freeing ndlp memory */ 1441 NLP_SET_FREE_REQ(ndlp); 1442 spin_unlock_irq(&phba->ndlp_lock); 1443 1444 if (vport->port_type != LPFC_PHYSICAL_PORT && 1445 ndlp->nlp_DID == Fabric_DID) { 1446 /* Just free up ndlp with Fabric_DID for vports */ 1447 lpfc_nlp_put(ndlp); 1448 continue; 1449 } 1450 1451 if (ndlp->nlp_type & NLP_FABRIC) 1452 lpfc_disc_state_machine(vport, ndlp, NULL, 1453 NLP_EVT_DEVICE_RECOVERY); 1454 1455 lpfc_disc_state_machine(vport, ndlp, NULL, 1456 NLP_EVT_DEVICE_RM); 1457 } 1458 1459 /* At this point, ALL ndlp's should be gone 1460 * because of the previous NLP_EVT_DEVICE_RM. 1461 * Lets wait for this to happen, if needed. 1462 */ 1463 while (!list_empty(&vport->fc_nodes)) { 1464 1465 if (i++ > 3000) { 1466 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 1467 "0233 Nodelist not empty\n"); 1468 list_for_each_entry_safe(ndlp, next_ndlp, 1469 &vport->fc_nodes, nlp_listp) { 1470 lpfc_printf_vlog(ndlp->vport, KERN_ERR, 1471 LOG_NODE, 1472 "0282: did:x%x ndlp:x%p " 1473 "usgmap:x%x refcnt:%d\n", 1474 ndlp->nlp_DID, (void *)ndlp, 1475 ndlp->nlp_usg_map, 1476 atomic_read( 1477 &ndlp->kref.refcount)); 1478 } 1479 break; 1480 } 1481 1482 /* Wait for any activity on ndlps to settle */ 1483 msleep(10); 1484 } 1485 return; 1486 } 1487 1488 void 1489 lpfc_stop_vport_timers(struct lpfc_vport *vport) 1490 { 1491 del_timer_sync(&vport->els_tmofunc); 1492 del_timer_sync(&vport->fc_fdmitmo); 1493 lpfc_can_disctmo(vport); 1494 return; 1495 } 1496 1497 static void 1498 lpfc_stop_phba_timers(struct lpfc_hba *phba) 1499 { 1500 del_timer_sync(&phba->fcp_poll_timer); 1501 lpfc_stop_vport_timers(phba->pport); 1502 del_timer_sync(&phba->sli.mbox_tmo); 1503 del_timer_sync(&phba->fabric_block_timer); 1504 phba->hb_outstanding = 0; 1505 del_timer_sync(&phba->hb_tmofunc); 1506 return; 1507 } 1508 1509 static void 1510 lpfc_block_mgmt_io(struct lpfc_hba * phba) 1511 { 1512 unsigned long iflag; 1513 1514 spin_lock_irqsave(&phba->hbalock, iflag); 1515 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; 1516 spin_unlock_irqrestore(&phba->hbalock, iflag); 1517 } 1518 1519 int 1520 lpfc_online(struct lpfc_hba *phba) 1521 { 1522 struct lpfc_vport *vport = phba->pport; 1523 struct lpfc_vport **vports; 1524 int i; 1525 1526 if (!phba) 1527 return 0; 1528 1529 if (!(vport->fc_flag & FC_OFFLINE_MODE)) 1530 return 0; 1531 1532 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1533 "0458 Bring Adapter online\n"); 1534 1535 lpfc_block_mgmt_io(phba); 1536 1537 if (!lpfc_sli_queue_setup(phba)) { 1538 lpfc_unblock_mgmt_io(phba); 1539 return 1; 1540 } 1541 1542 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ 1543 lpfc_unblock_mgmt_io(phba); 1544 return 1; 1545 } 1546 1547 vports = lpfc_create_vport_work_array(phba); 1548 if (vports != NULL) 1549 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1550 struct Scsi_Host *shost; 1551 shost = lpfc_shost_from_vport(vports[i]); 1552 spin_lock_irq(shost->host_lock); 1553 vports[i]->fc_flag &= ~FC_OFFLINE_MODE; 1554 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 1555 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1556 spin_unlock_irq(shost->host_lock); 1557 } 1558 lpfc_destroy_vport_work_array(phba, vports); 1559 1560 lpfc_unblock_mgmt_io(phba); 1561 return 0; 1562 } 1563 1564 void 1565 lpfc_unblock_mgmt_io(struct lpfc_hba * phba) 1566 { 1567 unsigned long iflag; 1568 1569 spin_lock_irqsave(&phba->hbalock, iflag); 1570 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; 1571 spin_unlock_irqrestore(&phba->hbalock, iflag); 1572 } 1573 1574 void 1575 lpfc_offline_prep(struct lpfc_hba * phba) 1576 { 1577 struct lpfc_vport *vport = phba->pport; 1578 struct lpfc_nodelist *ndlp, *next_ndlp; 1579 struct lpfc_vport **vports; 1580 int i; 1581 1582 if (vport->fc_flag & FC_OFFLINE_MODE) 1583 return; 1584 1585 lpfc_block_mgmt_io(phba); 1586 1587 lpfc_linkdown(phba); 1588 1589 /* Issue an unreg_login to all nodes on all vports */ 1590 vports = lpfc_create_vport_work_array(phba); 1591 if (vports != NULL) { 1592 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1593 struct Scsi_Host *shost; 1594 1595 if (vports[i]->load_flag & FC_UNLOADING) 1596 continue; 1597 shost = lpfc_shost_from_vport(vports[i]); 1598 list_for_each_entry_safe(ndlp, next_ndlp, 1599 &vports[i]->fc_nodes, 1600 nlp_listp) { 1601 if (!NLP_CHK_NODE_ACT(ndlp)) 1602 continue; 1603 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 1604 continue; 1605 if (ndlp->nlp_type & NLP_FABRIC) { 1606 lpfc_disc_state_machine(vports[i], ndlp, 1607 NULL, NLP_EVT_DEVICE_RECOVERY); 1608 lpfc_disc_state_machine(vports[i], ndlp, 1609 NULL, NLP_EVT_DEVICE_RM); 1610 } 1611 spin_lock_irq(shost->host_lock); 1612 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 1613 spin_unlock_irq(shost->host_lock); 1614 lpfc_unreg_rpi(vports[i], ndlp); 1615 } 1616 } 1617 } 1618 lpfc_destroy_vport_work_array(phba, vports); 1619 1620 lpfc_sli_flush_mbox_queue(phba); 1621 } 1622 1623 void 1624 lpfc_offline(struct lpfc_hba *phba) 1625 { 1626 struct Scsi_Host *shost; 1627 struct lpfc_vport **vports; 1628 int i; 1629 1630 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 1631 return; 1632 1633 /* stop all timers associated with this hba */ 1634 lpfc_stop_phba_timers(phba); 1635 vports = lpfc_create_vport_work_array(phba); 1636 if (vports != NULL) 1637 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) 1638 lpfc_stop_vport_timers(vports[i]); 1639 lpfc_destroy_vport_work_array(phba, vports); 1640 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1641 "0460 Bring Adapter offline\n"); 1642 /* Bring down the SLI Layer and cleanup. The HBA is offline 1643 now. */ 1644 lpfc_sli_hba_down(phba); 1645 spin_lock_irq(&phba->hbalock); 1646 phba->work_ha = 0; 1647 spin_unlock_irq(&phba->hbalock); 1648 vports = lpfc_create_vport_work_array(phba); 1649 if (vports != NULL) 1650 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1651 shost = lpfc_shost_from_vport(vports[i]); 1652 spin_lock_irq(shost->host_lock); 1653 vports[i]->work_port_events = 0; 1654 vports[i]->fc_flag |= FC_OFFLINE_MODE; 1655 spin_unlock_irq(shost->host_lock); 1656 } 1657 lpfc_destroy_vport_work_array(phba, vports); 1658 } 1659 1660 /****************************************************************************** 1661 * Function name: lpfc_scsi_free 1662 * 1663 * Description: Called from lpfc_pci_remove_one free internal driver resources 1664 * 1665 ******************************************************************************/ 1666 static int 1667 lpfc_scsi_free(struct lpfc_hba *phba) 1668 { 1669 struct lpfc_scsi_buf *sb, *sb_next; 1670 struct lpfc_iocbq *io, *io_next; 1671 1672 spin_lock_irq(&phba->hbalock); 1673 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1674 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1675 list_del(&sb->list); 1676 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1677 sb->dma_handle); 1678 kfree(sb); 1679 phba->total_scsi_bufs--; 1680 } 1681 1682 /* Release all the lpfc_iocbq entries maintained by this host. */ 1683 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1684 list_del(&io->list); 1685 kfree(io); 1686 phba->total_iocbq_bufs--; 1687 } 1688 1689 spin_unlock_irq(&phba->hbalock); 1690 1691 return 0; 1692 } 1693 1694 struct lpfc_vport * 1695 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) 1696 { 1697 struct lpfc_vport *vport; 1698 struct Scsi_Host *shost; 1699 int error = 0; 1700 1701 if (dev != &phba->pcidev->dev) 1702 shost = scsi_host_alloc(&lpfc_vport_template, 1703 sizeof(struct lpfc_vport)); 1704 else 1705 shost = scsi_host_alloc(&lpfc_template, 1706 sizeof(struct lpfc_vport)); 1707 if (!shost) 1708 goto out; 1709 1710 vport = (struct lpfc_vport *) shost->hostdata; 1711 vport->phba = phba; 1712 vport->load_flag |= FC_LOADING; 1713 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1714 vport->fc_rscn_flush = 0; 1715 1716 lpfc_get_vport_cfgparam(vport); 1717 shost->unique_id = instance; 1718 shost->max_id = LPFC_MAX_TARGET; 1719 shost->max_lun = vport->cfg_max_luns; 1720 shost->this_id = -1; 1721 shost->max_cmd_len = 16; 1722 /* 1723 * Set initial can_queue value since 0 is no longer supported and 1724 * scsi_add_host will fail. This will be adjusted later based on the 1725 * max xri value determined in hba setup. 1726 */ 1727 shost->can_queue = phba->cfg_hba_queue_depth - 10; 1728 if (dev != &phba->pcidev->dev) { 1729 shost->transportt = lpfc_vport_transport_template; 1730 vport->port_type = LPFC_NPIV_PORT; 1731 } else { 1732 shost->transportt = lpfc_transport_template; 1733 vport->port_type = LPFC_PHYSICAL_PORT; 1734 } 1735 1736 /* Initialize all internally managed lists. */ 1737 INIT_LIST_HEAD(&vport->fc_nodes); 1738 spin_lock_init(&vport->work_port_lock); 1739 1740 init_timer(&vport->fc_disctmo); 1741 vport->fc_disctmo.function = lpfc_disc_timeout; 1742 vport->fc_disctmo.data = (unsigned long)vport; 1743 1744 init_timer(&vport->fc_fdmitmo); 1745 vport->fc_fdmitmo.function = lpfc_fdmi_tmo; 1746 vport->fc_fdmitmo.data = (unsigned long)vport; 1747 1748 init_timer(&vport->els_tmofunc); 1749 vport->els_tmofunc.function = lpfc_els_timeout; 1750 vport->els_tmofunc.data = (unsigned long)vport; 1751 1752 error = scsi_add_host(shost, dev); 1753 if (error) 1754 goto out_put_shost; 1755 1756 spin_lock_irq(&phba->hbalock); 1757 list_add_tail(&vport->listentry, &phba->port_list); 1758 spin_unlock_irq(&phba->hbalock); 1759 return vport; 1760 1761 out_put_shost: 1762 scsi_host_put(shost); 1763 out: 1764 return NULL; 1765 } 1766 1767 void 1768 destroy_port(struct lpfc_vport *vport) 1769 { 1770 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1771 struct lpfc_hba *phba = vport->phba; 1772 1773 kfree(vport->vname); 1774 1775 lpfc_debugfs_terminate(vport); 1776 fc_remove_host(shost); 1777 scsi_remove_host(shost); 1778 1779 spin_lock_irq(&phba->hbalock); 1780 list_del_init(&vport->listentry); 1781 spin_unlock_irq(&phba->hbalock); 1782 1783 lpfc_cleanup(vport); 1784 return; 1785 } 1786 1787 int 1788 lpfc_get_instance(void) 1789 { 1790 int instance = 0; 1791 1792 /* Assign an unused number */ 1793 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1794 return -1; 1795 if (idr_get_new(&lpfc_hba_index, NULL, &instance)) 1796 return -1; 1797 return instance; 1798 } 1799 1800 /* 1801 * Note: there is no scan_start function as adapter initialization 1802 * will have asynchronously kicked off the link initialization. 1803 */ 1804 1805 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) 1806 { 1807 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1808 struct lpfc_hba *phba = vport->phba; 1809 int stat = 0; 1810 1811 spin_lock_irq(shost->host_lock); 1812 1813 if (vport->load_flag & FC_UNLOADING) { 1814 stat = 1; 1815 goto finished; 1816 } 1817 if (time >= 30 * HZ) { 1818 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1819 "0461 Scanning longer than 30 " 1820 "seconds. Continuing initialization\n"); 1821 stat = 1; 1822 goto finished; 1823 } 1824 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { 1825 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1826 "0465 Link down longer than 15 " 1827 "seconds. Continuing initialization\n"); 1828 stat = 1; 1829 goto finished; 1830 } 1831 1832 if (vport->port_state != LPFC_VPORT_READY) 1833 goto finished; 1834 if (vport->num_disc_nodes || vport->fc_prli_sent) 1835 goto finished; 1836 if (vport->fc_map_cnt == 0 && time < 2 * HZ) 1837 goto finished; 1838 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) 1839 goto finished; 1840 1841 stat = 1; 1842 1843 finished: 1844 spin_unlock_irq(shost->host_lock); 1845 return stat; 1846 } 1847 1848 void lpfc_host_attrib_init(struct Scsi_Host *shost) 1849 { 1850 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1851 struct lpfc_hba *phba = vport->phba; 1852 /* 1853 * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). 1854 */ 1855 1856 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 1857 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 1858 fc_host_supported_classes(shost) = FC_COS_CLASS3; 1859 1860 memset(fc_host_supported_fc4s(shost), 0, 1861 sizeof(fc_host_supported_fc4s(shost))); 1862 fc_host_supported_fc4s(shost)[2] = 1; 1863 fc_host_supported_fc4s(shost)[7] = 1; 1864 1865 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), 1866 sizeof fc_host_symbolic_name(shost)); 1867 1868 fc_host_supported_speeds(shost) = 0; 1869 if (phba->lmt & LMT_10Gb) 1870 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; 1871 if (phba->lmt & LMT_8Gb) 1872 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; 1873 if (phba->lmt & LMT_4Gb) 1874 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; 1875 if (phba->lmt & LMT_2Gb) 1876 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; 1877 if (phba->lmt & LMT_1Gb) 1878 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; 1879 1880 fc_host_maxframe_size(shost) = 1881 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 1882 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; 1883 1884 /* This value is also unchanging */ 1885 memset(fc_host_active_fc4s(shost), 0, 1886 sizeof(fc_host_active_fc4s(shost))); 1887 fc_host_active_fc4s(shost)[2] = 1; 1888 fc_host_active_fc4s(shost)[7] = 1; 1889 1890 fc_host_max_npiv_vports(shost) = phba->max_vpi; 1891 spin_lock_irq(shost->host_lock); 1892 vport->load_flag &= ~FC_LOADING; 1893 spin_unlock_irq(shost->host_lock); 1894 } 1895 1896 static int 1897 lpfc_enable_msix(struct lpfc_hba *phba) 1898 { 1899 int error; 1900 1901 phba->msix_entries[0].entry = 0; 1902 phba->msix_entries[0].vector = 0; 1903 1904 error = pci_enable_msix(phba->pcidev, phba->msix_entries, 1905 ARRAY_SIZE(phba->msix_entries)); 1906 if (error) { 1907 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1908 "0420 Enable MSI-X failed (%d), continuing " 1909 "with MSI\n", error); 1910 pci_disable_msix(phba->pcidev); 1911 return error; 1912 } 1913 1914 error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, 1915 LPFC_DRIVER_NAME, phba); 1916 if (error) { 1917 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1918 "0421 MSI-X request_irq failed (%d), " 1919 "continuing with MSI\n", error); 1920 pci_disable_msix(phba->pcidev); 1921 } 1922 return error; 1923 } 1924 1925 static void 1926 lpfc_disable_msix(struct lpfc_hba *phba) 1927 { 1928 free_irq(phba->msix_entries[0].vector, phba); 1929 pci_disable_msix(phba->pcidev); 1930 } 1931 1932 static int __devinit 1933 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1934 { 1935 struct lpfc_vport *vport = NULL; 1936 struct lpfc_hba *phba; 1937 struct lpfc_sli *psli; 1938 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1939 struct Scsi_Host *shost = NULL; 1940 void *ptr; 1941 unsigned long bar0map_len, bar2map_len; 1942 int error = -ENODEV, retval; 1943 int i, hbq_count; 1944 uint16_t iotag; 1945 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 1946 1947 if (pci_enable_device_mem(pdev)) 1948 goto out; 1949 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) 1950 goto out_disable_device; 1951 1952 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); 1953 if (!phba) 1954 goto out_release_regions; 1955 1956 spin_lock_init(&phba->hbalock); 1957 1958 /* Initialize ndlp management spinlock */ 1959 spin_lock_init(&phba->ndlp_lock); 1960 1961 phba->pcidev = pdev; 1962 1963 /* Assign an unused board number */ 1964 if ((phba->brd_no = lpfc_get_instance()) < 0) 1965 goto out_free_phba; 1966 1967 INIT_LIST_HEAD(&phba->port_list); 1968 /* 1969 * Get all the module params for configuring this host and then 1970 * establish the host. 1971 */ 1972 lpfc_get_cfgparam(phba); 1973 phba->max_vpi = LPFC_MAX_VPI; 1974 1975 /* Initialize timers used by driver */ 1976 init_timer(&phba->hb_tmofunc); 1977 phba->hb_tmofunc.function = lpfc_hb_timeout; 1978 phba->hb_tmofunc.data = (unsigned long)phba; 1979 1980 psli = &phba->sli; 1981 init_timer(&psli->mbox_tmo); 1982 psli->mbox_tmo.function = lpfc_mbox_timeout; 1983 psli->mbox_tmo.data = (unsigned long) phba; 1984 init_timer(&phba->fcp_poll_timer); 1985 phba->fcp_poll_timer.function = lpfc_poll_timeout; 1986 phba->fcp_poll_timer.data = (unsigned long) phba; 1987 init_timer(&phba->fabric_block_timer); 1988 phba->fabric_block_timer.function = lpfc_fabric_block_timeout; 1989 phba->fabric_block_timer.data = (unsigned long) phba; 1990 1991 pci_set_master(pdev); 1992 pci_try_set_mwi(pdev); 1993 1994 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 1995 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 1996 goto out_idr_remove; 1997 1998 /* 1999 * Get the bus address of Bar0 and Bar2 and the number of bytes 2000 * required by each mapping. 2001 */ 2002 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 2003 bar0map_len = pci_resource_len(phba->pcidev, 0); 2004 2005 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 2006 bar2map_len = pci_resource_len(phba->pcidev, 2); 2007 2008 /* Map HBA SLIM to a kernel virtual address. */ 2009 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 2010 if (!phba->slim_memmap_p) { 2011 error = -ENODEV; 2012 dev_printk(KERN_ERR, &pdev->dev, 2013 "ioremap failed for SLIM memory.\n"); 2014 goto out_idr_remove; 2015 } 2016 2017 /* Map HBA Control Registers to a kernel virtual address. */ 2018 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 2019 if (!phba->ctrl_regs_memmap_p) { 2020 error = -ENODEV; 2021 dev_printk(KERN_ERR, &pdev->dev, 2022 "ioremap failed for HBA control registers.\n"); 2023 goto out_iounmap_slim; 2024 } 2025 2026 /* Allocate memory for SLI-2 structures */ 2027 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 2028 &phba->slim2p_mapping, GFP_KERNEL); 2029 if (!phba->slim2p) 2030 goto out_iounmap; 2031 2032 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 2033 2034 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, 2035 lpfc_sli_hbq_size(), 2036 &phba->hbqslimp.phys, 2037 GFP_KERNEL); 2038 if (!phba->hbqslimp.virt) 2039 goto out_free_slim; 2040 2041 hbq_count = lpfc_sli_hbq_count(); 2042 ptr = phba->hbqslimp.virt; 2043 for (i = 0; i < hbq_count; ++i) { 2044 phba->hbqs[i].hbq_virt = ptr; 2045 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); 2046 ptr += (lpfc_hbq_defs[i]->entry_count * 2047 sizeof(struct lpfc_hbq_entry)); 2048 } 2049 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; 2050 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; 2051 2052 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 2053 2054 INIT_LIST_HEAD(&phba->hbqbuf_in_list); 2055 2056 /* Initialize the SLI Layer to run with lpfc HBAs. */ 2057 lpfc_sli_setup(phba); 2058 lpfc_sli_queue_setup(phba); 2059 2060 retval = lpfc_mem_alloc(phba); 2061 if (retval) { 2062 error = retval; 2063 goto out_free_hbqslimp; 2064 } 2065 2066 /* Initialize and populate the iocb list per host. */ 2067 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 2068 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 2069 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 2070 if (iocbq_entry == NULL) { 2071 printk(KERN_ERR "%s: only allocated %d iocbs of " 2072 "expected %d count. Unloading driver.\n", 2073 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 2074 error = -ENOMEM; 2075 goto out_free_iocbq; 2076 } 2077 2078 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 2079 if (iotag == 0) { 2080 kfree (iocbq_entry); 2081 printk(KERN_ERR "%s: failed to allocate IOTAG. " 2082 "Unloading driver.\n", 2083 __FUNCTION__); 2084 error = -ENOMEM; 2085 goto out_free_iocbq; 2086 } 2087 2088 spin_lock_irq(&phba->hbalock); 2089 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 2090 phba->total_iocbq_bufs++; 2091 spin_unlock_irq(&phba->hbalock); 2092 } 2093 2094 /* Initialize HBA structure */ 2095 phba->fc_edtov = FF_DEF_EDTOV; 2096 phba->fc_ratov = FF_DEF_RATOV; 2097 phba->fc_altov = FF_DEF_ALTOV; 2098 phba->fc_arbtov = FF_DEF_ARBTOV; 2099 2100 INIT_LIST_HEAD(&phba->work_list); 2101 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); 2102 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 2103 2104 /* Startup the kernel thread for this host adapter. */ 2105 phba->worker_thread = kthread_run(lpfc_do_work, phba, 2106 "lpfc_worker_%d", phba->brd_no); 2107 if (IS_ERR(phba->worker_thread)) { 2108 error = PTR_ERR(phba->worker_thread); 2109 goto out_free_iocbq; 2110 } 2111 2112 /* Initialize the list of scsi buffers used by driver for scsi IO. */ 2113 spin_lock_init(&phba->scsi_buf_list_lock); 2114 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); 2115 2116 /* Initialize list of fabric iocbs */ 2117 INIT_LIST_HEAD(&phba->fabric_iocb_list); 2118 2119 /* Initialize list to save ELS buffers */ 2120 INIT_LIST_HEAD(&phba->elsbuf); 2121 2122 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); 2123 if (!vport) 2124 goto out_kthread_stop; 2125 2126 shost = lpfc_shost_from_vport(vport); 2127 phba->pport = vport; 2128 lpfc_debugfs_initialize(vport); 2129 2130 pci_set_drvdata(pdev, shost); 2131 phba->intr_type = NONE; 2132 2133 if (phba->cfg_use_msi == 2) { 2134 error = lpfc_enable_msix(phba); 2135 if (!error) 2136 phba->intr_type = MSIX; 2137 } 2138 2139 /* Fallback to MSI if MSI-X initialization failed */ 2140 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { 2141 retval = pci_enable_msi(phba->pcidev); 2142 if (!retval) 2143 phba->intr_type = MSI; 2144 else 2145 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 2146 "0452 Enable MSI failed, continuing " 2147 "with IRQ\n"); 2148 } 2149 2150 /* MSI-X is the only case the doesn't need to call request_irq */ 2151 if (phba->intr_type != MSIX) { 2152 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, 2153 IRQF_SHARED, LPFC_DRIVER_NAME, phba); 2154 if (retval) { 2155 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable " 2156 "interrupt handler failed\n"); 2157 error = retval; 2158 goto out_disable_msi; 2159 } else if (phba->intr_type != MSI) 2160 phba->intr_type = INTx; 2161 } 2162 2163 phba->MBslimaddr = phba->slim_memmap_p; 2164 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 2165 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 2166 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 2167 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 2168 2169 if (lpfc_alloc_sysfs_attr(vport)) { 2170 error = -ENOMEM; 2171 goto out_free_irq; 2172 } 2173 2174 if (lpfc_sli_hba_setup(phba)) { 2175 error = -ENODEV; 2176 goto out_remove_device; 2177 } 2178 2179 /* 2180 * hba setup may have changed the hba_queue_depth so we need to adjust 2181 * the value of can_queue. 2182 */ 2183 shost->can_queue = phba->cfg_hba_queue_depth - 10; 2184 2185 lpfc_host_attrib_init(shost); 2186 2187 if (phba->cfg_poll & DISABLE_FCP_RING_INT) { 2188 spin_lock_irq(shost->host_lock); 2189 lpfc_poll_start_timer(phba); 2190 spin_unlock_irq(shost->host_lock); 2191 } 2192 2193 scsi_scan_host(shost); 2194 2195 return 0; 2196 2197 out_remove_device: 2198 lpfc_free_sysfs_attr(vport); 2199 spin_lock_irq(shost->host_lock); 2200 vport->load_flag |= FC_UNLOADING; 2201 spin_unlock_irq(shost->host_lock); 2202 out_free_irq: 2203 lpfc_stop_phba_timers(phba); 2204 phba->pport->work_port_events = 0; 2205 2206 if (phba->intr_type == MSIX) 2207 lpfc_disable_msix(phba); 2208 else 2209 free_irq(phba->pcidev->irq, phba); 2210 2211 out_disable_msi: 2212 if (phba->intr_type == MSI) 2213 pci_disable_msi(phba->pcidev); 2214 destroy_port(vport); 2215 out_kthread_stop: 2216 kthread_stop(phba->worker_thread); 2217 out_free_iocbq: 2218 list_for_each_entry_safe(iocbq_entry, iocbq_next, 2219 &phba->lpfc_iocb_list, list) { 2220 kfree(iocbq_entry); 2221 phba->total_iocbq_bufs--; 2222 } 2223 lpfc_mem_free(phba); 2224 out_free_hbqslimp: 2225 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2226 phba->hbqslimp.phys); 2227 out_free_slim: 2228 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, 2229 phba->slim2p_mapping); 2230 out_iounmap: 2231 iounmap(phba->ctrl_regs_memmap_p); 2232 out_iounmap_slim: 2233 iounmap(phba->slim_memmap_p); 2234 out_idr_remove: 2235 idr_remove(&lpfc_hba_index, phba->brd_no); 2236 out_free_phba: 2237 kfree(phba); 2238 out_release_regions: 2239 pci_release_selected_regions(pdev, bars); 2240 out_disable_device: 2241 pci_disable_device(pdev); 2242 out: 2243 pci_set_drvdata(pdev, NULL); 2244 if (shost) 2245 scsi_host_put(shost); 2246 return error; 2247 } 2248 2249 static void __devexit 2250 lpfc_pci_remove_one(struct pci_dev *pdev) 2251 { 2252 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2253 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2254 struct lpfc_hba *phba = vport->phba; 2255 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 2256 2257 spin_lock_irq(&phba->hbalock); 2258 vport->load_flag |= FC_UNLOADING; 2259 spin_unlock_irq(&phba->hbalock); 2260 2261 kfree(vport->vname); 2262 lpfc_free_sysfs_attr(vport); 2263 2264 kthread_stop(phba->worker_thread); 2265 2266 fc_remove_host(shost); 2267 scsi_remove_host(shost); 2268 lpfc_cleanup(vport); 2269 2270 /* 2271 * Bring down the SLI Layer. This step disable all interrupts, 2272 * clears the rings, discards all mailbox commands, and resets 2273 * the HBA. 2274 */ 2275 lpfc_sli_hba_down(phba); 2276 lpfc_sli_brdrestart(phba); 2277 2278 lpfc_stop_phba_timers(phba); 2279 spin_lock_irq(&phba->hbalock); 2280 list_del_init(&vport->listentry); 2281 spin_unlock_irq(&phba->hbalock); 2282 2283 lpfc_debugfs_terminate(vport); 2284 2285 if (phba->intr_type == MSIX) 2286 lpfc_disable_msix(phba); 2287 else { 2288 free_irq(phba->pcidev->irq, phba); 2289 if (phba->intr_type == MSI) 2290 pci_disable_msi(phba->pcidev); 2291 } 2292 2293 pci_set_drvdata(pdev, NULL); 2294 scsi_host_put(shost); 2295 2296 /* 2297 * Call scsi_free before mem_free since scsi bufs are released to their 2298 * corresponding pools here. 2299 */ 2300 lpfc_scsi_free(phba); 2301 lpfc_mem_free(phba); 2302 2303 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2304 phba->hbqslimp.phys); 2305 2306 /* Free resources associated with SLI2 interface */ 2307 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 2308 phba->slim2p, phba->slim2p_mapping); 2309 2310 /* unmap adapter SLIM and Control Registers */ 2311 iounmap(phba->ctrl_regs_memmap_p); 2312 iounmap(phba->slim_memmap_p); 2313 2314 idr_remove(&lpfc_hba_index, phba->brd_no); 2315 2316 kfree(phba); 2317 2318 pci_release_selected_regions(pdev, bars); 2319 pci_disable_device(pdev); 2320 } 2321 2322 /** 2323 * lpfc_io_error_detected - called when PCI error is detected 2324 * @pdev: Pointer to PCI device 2325 * @state: The current pci conneection state 2326 * 2327 * This function is called after a PCI bus error affecting 2328 * this device has been detected. 2329 */ 2330 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, 2331 pci_channel_state_t state) 2332 { 2333 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2334 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2335 struct lpfc_sli *psli = &phba->sli; 2336 struct lpfc_sli_ring *pring; 2337 2338 if (state == pci_channel_io_perm_failure) 2339 return PCI_ERS_RESULT_DISCONNECT; 2340 2341 pci_disable_device(pdev); 2342 /* 2343 * There may be I/Os dropped by the firmware. 2344 * Error iocb (I/O) on txcmplq and let the SCSI layer 2345 * retry it after re-establishing link. 2346 */ 2347 pring = &psli->ring[psli->fcp_ring]; 2348 lpfc_sli_abort_iocb_ring(phba, pring); 2349 2350 if (phba->intr_type == MSIX) 2351 lpfc_disable_msix(phba); 2352 else { 2353 free_irq(phba->pcidev->irq, phba); 2354 if (phba->intr_type == MSI) 2355 pci_disable_msi(phba->pcidev); 2356 } 2357 2358 /* Request a slot reset. */ 2359 return PCI_ERS_RESULT_NEED_RESET; 2360 } 2361 2362 /** 2363 * lpfc_io_slot_reset - called after the pci bus has been reset. 2364 * @pdev: Pointer to PCI device 2365 * 2366 * Restart the card from scratch, as if from a cold-boot. 2367 */ 2368 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) 2369 { 2370 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2371 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2372 struct lpfc_sli *psli = &phba->sli; 2373 int error, retval; 2374 2375 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 2376 if (pci_enable_device_mem(pdev)) { 2377 printk(KERN_ERR "lpfc: Cannot re-enable " 2378 "PCI device after reset.\n"); 2379 return PCI_ERS_RESULT_DISCONNECT; 2380 } 2381 2382 pci_set_master(pdev); 2383 2384 spin_lock_irq(&phba->hbalock); 2385 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 2386 spin_unlock_irq(&phba->hbalock); 2387 2388 /* Enable configured interrupt method */ 2389 phba->intr_type = NONE; 2390 if (phba->cfg_use_msi == 2) { 2391 error = lpfc_enable_msix(phba); 2392 if (!error) 2393 phba->intr_type = MSIX; 2394 } 2395 2396 /* Fallback to MSI if MSI-X initialization failed */ 2397 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { 2398 retval = pci_enable_msi(phba->pcidev); 2399 if (!retval) 2400 phba->intr_type = MSI; 2401 else 2402 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 2403 "0470 Enable MSI failed, continuing " 2404 "with IRQ\n"); 2405 } 2406 2407 /* MSI-X is the only case the doesn't need to call request_irq */ 2408 if (phba->intr_type != MSIX) { 2409 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, 2410 IRQF_SHARED, LPFC_DRIVER_NAME, phba); 2411 if (retval) { 2412 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2413 "0471 Enable interrupt handler " 2414 "failed\n"); 2415 } else if (phba->intr_type != MSI) 2416 phba->intr_type = INTx; 2417 } 2418 2419 /* Take device offline; this will perform cleanup */ 2420 lpfc_offline(phba); 2421 lpfc_sli_brdrestart(phba); 2422 2423 return PCI_ERS_RESULT_RECOVERED; 2424 } 2425 2426 /** 2427 * lpfc_io_resume - called when traffic can start flowing again. 2428 * @pdev: Pointer to PCI device 2429 * 2430 * This callback is called when the error recovery driver tells us that 2431 * its OK to resume normal operation. 2432 */ 2433 static void lpfc_io_resume(struct pci_dev *pdev) 2434 { 2435 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2436 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2437 2438 lpfc_online(phba); 2439 } 2440 2441 static struct pci_device_id lpfc_id_table[] = { 2442 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, 2443 PCI_ANY_ID, PCI_ANY_ID, }, 2444 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, 2445 PCI_ANY_ID, PCI_ANY_ID, }, 2446 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, 2447 PCI_ANY_ID, PCI_ANY_ID, }, 2448 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, 2449 PCI_ANY_ID, PCI_ANY_ID, }, 2450 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, 2451 PCI_ANY_ID, PCI_ANY_ID, }, 2452 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, 2453 PCI_ANY_ID, PCI_ANY_ID, }, 2454 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, 2455 PCI_ANY_ID, PCI_ANY_ID, }, 2456 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, 2457 PCI_ANY_ID, PCI_ANY_ID, }, 2458 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, 2459 PCI_ANY_ID, PCI_ANY_ID, }, 2460 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, 2461 PCI_ANY_ID, PCI_ANY_ID, }, 2462 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, 2463 PCI_ANY_ID, PCI_ANY_ID, }, 2464 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, 2465 PCI_ANY_ID, PCI_ANY_ID, }, 2466 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, 2467 PCI_ANY_ID, PCI_ANY_ID, }, 2468 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, 2469 PCI_ANY_ID, PCI_ANY_ID, }, 2470 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, 2471 PCI_ANY_ID, PCI_ANY_ID, }, 2472 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, 2473 PCI_ANY_ID, PCI_ANY_ID, }, 2474 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, 2475 PCI_ANY_ID, PCI_ANY_ID, }, 2476 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, 2477 PCI_ANY_ID, PCI_ANY_ID, }, 2478 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, 2479 PCI_ANY_ID, PCI_ANY_ID, }, 2480 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, 2481 PCI_ANY_ID, PCI_ANY_ID, }, 2482 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, 2483 PCI_ANY_ID, PCI_ANY_ID, }, 2484 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, 2485 PCI_ANY_ID, PCI_ANY_ID, }, 2486 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, 2487 PCI_ANY_ID, PCI_ANY_ID, }, 2488 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, 2489 PCI_ANY_ID, PCI_ANY_ID, }, 2490 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, 2491 PCI_ANY_ID, PCI_ANY_ID, }, 2492 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, 2493 PCI_ANY_ID, PCI_ANY_ID, }, 2494 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, 2495 PCI_ANY_ID, PCI_ANY_ID, }, 2496 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, 2497 PCI_ANY_ID, PCI_ANY_ID, }, 2498 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, 2499 PCI_ANY_ID, PCI_ANY_ID, }, 2500 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, 2501 PCI_ANY_ID, PCI_ANY_ID, }, 2502 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, 2503 PCI_ANY_ID, PCI_ANY_ID, }, 2504 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, 2505 PCI_ANY_ID, PCI_ANY_ID, }, 2506 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, 2507 PCI_ANY_ID, PCI_ANY_ID, }, 2508 { 0 } 2509 }; 2510 2511 MODULE_DEVICE_TABLE(pci, lpfc_id_table); 2512 2513 static struct pci_error_handlers lpfc_err_handler = { 2514 .error_detected = lpfc_io_error_detected, 2515 .slot_reset = lpfc_io_slot_reset, 2516 .resume = lpfc_io_resume, 2517 }; 2518 2519 static struct pci_driver lpfc_driver = { 2520 .name = LPFC_DRIVER_NAME, 2521 .id_table = lpfc_id_table, 2522 .probe = lpfc_pci_probe_one, 2523 .remove = __devexit_p(lpfc_pci_remove_one), 2524 .err_handler = &lpfc_err_handler, 2525 }; 2526 2527 static int __init 2528 lpfc_init(void) 2529 { 2530 int error = 0; 2531 2532 printk(LPFC_MODULE_DESC "\n"); 2533 printk(LPFC_COPYRIGHT "\n"); 2534 2535 if (lpfc_enable_npiv) { 2536 lpfc_transport_functions.vport_create = lpfc_vport_create; 2537 lpfc_transport_functions.vport_delete = lpfc_vport_delete; 2538 } 2539 lpfc_transport_template = 2540 fc_attach_transport(&lpfc_transport_functions); 2541 if (lpfc_transport_template == NULL) 2542 return -ENOMEM; 2543 if (lpfc_enable_npiv) { 2544 lpfc_vport_transport_template = 2545 fc_attach_transport(&lpfc_vport_transport_functions); 2546 if (lpfc_vport_transport_template == NULL) { 2547 fc_release_transport(lpfc_transport_template); 2548 return -ENOMEM; 2549 } 2550 } 2551 error = pci_register_driver(&lpfc_driver); 2552 if (error) { 2553 fc_release_transport(lpfc_transport_template); 2554 fc_release_transport(lpfc_vport_transport_template); 2555 } 2556 2557 return error; 2558 } 2559 2560 static void __exit 2561 lpfc_exit(void) 2562 { 2563 pci_unregister_driver(&lpfc_driver); 2564 fc_release_transport(lpfc_transport_template); 2565 if (lpfc_enable_npiv) 2566 fc_release_transport(lpfc_vport_transport_template); 2567 } 2568 2569 module_init(lpfc_init); 2570 module_exit(lpfc_exit); 2571 MODULE_LICENSE("GPL"); 2572 MODULE_DESCRIPTION(LPFC_MODULE_DESC); 2573 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); 2574 MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 2575