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 } return 0; 479 } 480 481 /************************************************************************/ 482 /* */ 483 /* lpfc_hba_down_post */ 484 /* This routine will do uninitialization after the HBA is reset */ 485 /* when bringing down the SLI Layer. */ 486 /* This routine returns 0 on success. Any other return value */ 487 /* indicates an error. */ 488 /* */ 489 /************************************************************************/ 490 int 491 lpfc_hba_down_post(struct lpfc_hba *phba) 492 { 493 struct lpfc_sli *psli = &phba->sli; 494 struct lpfc_sli_ring *pring; 495 struct lpfc_dmabuf *mp, *next_mp; 496 struct lpfc_iocbq *iocb; 497 IOCB_t *cmd = NULL; 498 LIST_HEAD(completions); 499 int i; 500 501 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) 502 lpfc_sli_hbqbuf_free_all(phba); 503 else { 504 /* Cleanup preposted buffers on the ELS ring */ 505 pring = &psli->ring[LPFC_ELS_RING]; 506 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { 507 list_del(&mp->list); 508 pring->postbufq_cnt--; 509 lpfc_mbuf_free(phba, mp->virt, mp->phys); 510 kfree(mp); 511 } 512 } 513 514 spin_lock_irq(&phba->hbalock); 515 for (i = 0; i < psli->num_rings; i++) { 516 pring = &psli->ring[i]; 517 518 /* At this point in time the HBA is either reset or DOA. Either 519 * way, nothing should be on txcmplq as it will NEVER complete. 520 */ 521 list_splice_init(&pring->txcmplq, &completions); 522 pring->txcmplq_cnt = 0; 523 spin_unlock_irq(&phba->hbalock); 524 525 while (!list_empty(&completions)) { 526 iocb = list_get_first(&completions, struct lpfc_iocbq, 527 list); 528 cmd = &iocb->iocb; 529 list_del_init(&iocb->list); 530 531 if (!iocb->iocb_cmpl) 532 lpfc_sli_release_iocbq(phba, iocb); 533 else { 534 cmd->ulpStatus = IOSTAT_LOCAL_REJECT; 535 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; 536 (iocb->iocb_cmpl) (phba, iocb, iocb); 537 } 538 } 539 540 lpfc_sli_abort_iocb_ring(phba, pring); 541 spin_lock_irq(&phba->hbalock); 542 } 543 spin_unlock_irq(&phba->hbalock); 544 545 return 0; 546 } 547 548 /* HBA heart beat timeout handler */ 549 static void 550 lpfc_hb_timeout(unsigned long ptr) 551 { 552 struct lpfc_hba *phba; 553 unsigned long iflag; 554 555 phba = (struct lpfc_hba *)ptr; 556 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 557 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) 558 phba->pport->work_port_events |= WORKER_HB_TMO; 559 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 560 561 if (phba->work_wait) 562 wake_up(phba->work_wait); 563 return; 564 } 565 566 static void 567 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 568 { 569 unsigned long drvr_flag; 570 571 spin_lock_irqsave(&phba->hbalock, drvr_flag); 572 phba->hb_outstanding = 0; 573 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 574 575 mempool_free(pmboxq, phba->mbox_mem_pool); 576 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && 577 !(phba->link_state == LPFC_HBA_ERROR) && 578 !(phba->pport->load_flag & FC_UNLOADING)) 579 mod_timer(&phba->hb_tmofunc, 580 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 581 return; 582 } 583 584 void 585 lpfc_hb_timeout_handler(struct lpfc_hba *phba) 586 { 587 LPFC_MBOXQ_t *pmboxq; 588 struct lpfc_dmabuf *buf_ptr; 589 int retval; 590 struct lpfc_sli *psli = &phba->sli; 591 LIST_HEAD(completions); 592 593 if ((phba->link_state == LPFC_HBA_ERROR) || 594 (phba->pport->load_flag & FC_UNLOADING) || 595 (phba->pport->fc_flag & FC_OFFLINE_MODE)) 596 return; 597 598 spin_lock_irq(&phba->pport->work_port_lock); 599 /* If the timer is already canceled do nothing */ 600 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { 601 spin_unlock_irq(&phba->pport->work_port_lock); 602 return; 603 } 604 605 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, 606 jiffies)) { 607 spin_unlock_irq(&phba->pport->work_port_lock); 608 if (!phba->hb_outstanding) 609 mod_timer(&phba->hb_tmofunc, 610 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 611 else 612 mod_timer(&phba->hb_tmofunc, 613 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 614 return; 615 } 616 spin_unlock_irq(&phba->pport->work_port_lock); 617 618 if (phba->elsbuf_cnt && 619 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { 620 spin_lock_irq(&phba->hbalock); 621 list_splice_init(&phba->elsbuf, &completions); 622 phba->elsbuf_cnt = 0; 623 phba->elsbuf_prev_cnt = 0; 624 spin_unlock_irq(&phba->hbalock); 625 626 while (!list_empty(&completions)) { 627 list_remove_head(&completions, buf_ptr, 628 struct lpfc_dmabuf, list); 629 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 630 kfree(buf_ptr); 631 } 632 } 633 phba->elsbuf_prev_cnt = phba->elsbuf_cnt; 634 635 /* If there is no heart beat outstanding, issue a heartbeat command */ 636 if (phba->cfg_enable_hba_heartbeat) { 637 if (!phba->hb_outstanding) { 638 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 639 if (!pmboxq) { 640 mod_timer(&phba->hb_tmofunc, 641 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 642 return; 643 } 644 645 lpfc_heart_beat(phba, pmboxq); 646 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; 647 pmboxq->vport = phba->pport; 648 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); 649 650 if (retval != MBX_BUSY && retval != MBX_SUCCESS) { 651 mempool_free(pmboxq, phba->mbox_mem_pool); 652 mod_timer(&phba->hb_tmofunc, 653 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 654 return; 655 } 656 mod_timer(&phba->hb_tmofunc, 657 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 658 phba->hb_outstanding = 1; 659 return; 660 } else { 661 /* 662 * If heart beat timeout called with hb_outstanding set 663 * we need to take the HBA offline. 664 */ 665 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 666 "0459 Adapter heartbeat failure, " 667 "taking this port offline.\n"); 668 669 spin_lock_irq(&phba->hbalock); 670 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 671 spin_unlock_irq(&phba->hbalock); 672 673 lpfc_offline_prep(phba); 674 lpfc_offline(phba); 675 lpfc_unblock_mgmt_io(phba); 676 phba->link_state = LPFC_HBA_ERROR; 677 lpfc_hba_down_post(phba); 678 } 679 } 680 } 681 682 static void 683 lpfc_offline_eratt(struct lpfc_hba *phba) 684 { 685 struct lpfc_sli *psli = &phba->sli; 686 687 spin_lock_irq(&phba->hbalock); 688 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 689 spin_unlock_irq(&phba->hbalock); 690 lpfc_offline_prep(phba); 691 692 lpfc_offline(phba); 693 lpfc_reset_barrier(phba); 694 lpfc_sli_brdreset(phba); 695 lpfc_hba_down_post(phba); 696 lpfc_sli_brdready(phba, HS_MBRDY); 697 lpfc_unblock_mgmt_io(phba); 698 phba->link_state = LPFC_HBA_ERROR; 699 return; 700 } 701 702 /************************************************************************/ 703 /* */ 704 /* lpfc_handle_eratt */ 705 /* This routine will handle processing a Host Attention */ 706 /* Error Status event. This will be initialized */ 707 /* as a SLI layer callback routine. */ 708 /* */ 709 /************************************************************************/ 710 void 711 lpfc_handle_eratt(struct lpfc_hba *phba) 712 { 713 struct lpfc_vport *vport = phba->pport; 714 struct lpfc_sli *psli = &phba->sli; 715 struct lpfc_sli_ring *pring; 716 struct lpfc_vport **vports; 717 uint32_t event_data; 718 unsigned long temperature; 719 struct temp_event temp_event_data; 720 struct Scsi_Host *shost; 721 int i; 722 723 /* If the pci channel is offline, ignore possible errors, 724 * since we cannot communicate with the pci card anyway. */ 725 if (pci_channel_offline(phba->pcidev)) 726 return; 727 /* If resets are disabled then leave the HBA alone and return */ 728 if (!phba->cfg_enable_hba_reset) 729 return; 730 731 if (phba->work_hs & HS_FFER6 || 732 phba->work_hs & HS_FFER5) { 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 vports = lpfc_create_vport_work_array(phba); 740 if (vports != NULL) 741 for(i = 0; 742 i <= phba->max_vpi && vports[i] != NULL; 743 i++){ 744 shost = lpfc_shost_from_vport(vports[i]); 745 spin_lock_irq(shost->host_lock); 746 vports[i]->fc_flag |= FC_ESTABLISH_LINK; 747 spin_unlock_irq(shost->host_lock); 748 } 749 lpfc_destroy_vport_work_array(phba, vports); 750 spin_lock_irq(&phba->hbalock); 751 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 752 spin_unlock_irq(&phba->hbalock); 753 754 /* 755 * Firmware stops when it triggled erratt with HS_FFER6. 756 * That could cause the I/Os dropped by the firmware. 757 * Error iocb (I/O) on txcmplq and let the SCSI layer 758 * retry it after re-establishing link. 759 */ 760 pring = &psli->ring[psli->fcp_ring]; 761 lpfc_sli_abort_iocb_ring(phba, pring); 762 763 764 /* 765 * There was a firmware error. Take the hba offline and then 766 * attempt to restart it. 767 */ 768 lpfc_offline_prep(phba); 769 lpfc_offline(phba); 770 lpfc_sli_brdrestart(phba); 771 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 772 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 773 lpfc_unblock_mgmt_io(phba); 774 return; 775 } 776 lpfc_unblock_mgmt_io(phba); 777 } else if (phba->work_hs & HS_CRIT_TEMP) { 778 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); 779 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 780 temp_event_data.event_code = LPFC_CRIT_TEMP; 781 temp_event_data.data = (uint32_t)temperature; 782 783 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 784 "0459 Adapter maximum temperature exceeded " 785 "(%ld), taking this port offline " 786 "Data: x%x x%x x%x\n", 787 temperature, phba->work_hs, 788 phba->work_status[0], phba->work_status[1]); 789 790 shost = lpfc_shost_from_vport(phba->pport); 791 fc_host_post_vendor_event(shost, fc_get_event_number(), 792 sizeof(temp_event_data), 793 (char *) &temp_event_data, 794 SCSI_NL_VID_TYPE_PCI 795 | PCI_VENDOR_ID_EMULEX); 796 797 spin_lock_irq(&phba->hbalock); 798 phba->over_temp_state = HBA_OVER_TEMP; 799 spin_unlock_irq(&phba->hbalock); 800 lpfc_offline_eratt(phba); 801 802 } else { 803 /* The if clause above forces this code path when the status 804 * failure is a value other than FFER6. Do not call the offline 805 * twice. This is the adapter hardware error path. 806 */ 807 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 808 "0457 Adapter Hardware Error " 809 "Data: x%x x%x x%x\n", 810 phba->work_hs, 811 phba->work_status[0], phba->work_status[1]); 812 813 event_data = FC_REG_DUMP_EVENT; 814 shost = lpfc_shost_from_vport(vport); 815 fc_host_post_vendor_event(shost, fc_get_event_number(), 816 sizeof(event_data), (char *) &event_data, 817 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 818 819 lpfc_offline_eratt(phba); 820 } 821 } 822 823 /************************************************************************/ 824 /* */ 825 /* lpfc_handle_latt */ 826 /* This routine will handle processing a Host Attention */ 827 /* Link Status event. This will be initialized */ 828 /* as a SLI layer callback routine. */ 829 /* */ 830 /************************************************************************/ 831 void 832 lpfc_handle_latt(struct lpfc_hba *phba) 833 { 834 struct lpfc_vport *vport = phba->pport; 835 struct lpfc_sli *psli = &phba->sli; 836 LPFC_MBOXQ_t *pmb; 837 volatile uint32_t control; 838 struct lpfc_dmabuf *mp; 839 int rc = 0; 840 841 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 842 if (!pmb) { 843 rc = 1; 844 goto lpfc_handle_latt_err_exit; 845 } 846 847 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 848 if (!mp) { 849 rc = 2; 850 goto lpfc_handle_latt_free_pmb; 851 } 852 853 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 854 if (!mp->virt) { 855 rc = 3; 856 goto lpfc_handle_latt_free_mp; 857 } 858 859 /* Cleanup any outstanding ELS commands */ 860 lpfc_els_flush_all_cmd(phba); 861 862 psli->slistat.link_event++; 863 lpfc_read_la(phba, pmb, mp); 864 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 865 pmb->vport = vport; 866 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); 867 if (rc == MBX_NOT_FINISHED) { 868 rc = 4; 869 goto lpfc_handle_latt_free_mbuf; 870 } 871 872 /* Clear Link Attention in HA REG */ 873 spin_lock_irq(&phba->hbalock); 874 writel(HA_LATT, phba->HAregaddr); 875 readl(phba->HAregaddr); /* flush */ 876 spin_unlock_irq(&phba->hbalock); 877 878 return; 879 880 lpfc_handle_latt_free_mbuf: 881 lpfc_mbuf_free(phba, mp->virt, mp->phys); 882 lpfc_handle_latt_free_mp: 883 kfree(mp); 884 lpfc_handle_latt_free_pmb: 885 mempool_free(pmb, phba->mbox_mem_pool); 886 lpfc_handle_latt_err_exit: 887 /* Enable Link attention interrupts */ 888 spin_lock_irq(&phba->hbalock); 889 psli->sli_flag |= LPFC_PROCESS_LA; 890 control = readl(phba->HCregaddr); 891 control |= HC_LAINT_ENA; 892 writel(control, phba->HCregaddr); 893 readl(phba->HCregaddr); /* flush */ 894 895 /* Clear Link Attention in HA REG */ 896 writel(HA_LATT, phba->HAregaddr); 897 readl(phba->HAregaddr); /* flush */ 898 spin_unlock_irq(&phba->hbalock); 899 lpfc_linkdown(phba); 900 phba->link_state = LPFC_HBA_ERROR; 901 902 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, 903 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); 904 905 return; 906 } 907 908 /************************************************************************/ 909 /* */ 910 /* lpfc_parse_vpd */ 911 /* This routine will parse the VPD data */ 912 /* */ 913 /************************************************************************/ 914 static int 915 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) 916 { 917 uint8_t lenlo, lenhi; 918 int Length; 919 int i, j; 920 int finished = 0; 921 int index = 0; 922 923 if (!vpd) 924 return 0; 925 926 /* Vital Product */ 927 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 928 "0455 Vital Product Data: x%x x%x x%x x%x\n", 929 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 930 (uint32_t) vpd[3]); 931 while (!finished && (index < (len - 4))) { 932 switch (vpd[index]) { 933 case 0x82: 934 case 0x91: 935 index += 1; 936 lenlo = vpd[index]; 937 index += 1; 938 lenhi = vpd[index]; 939 index += 1; 940 i = ((((unsigned short)lenhi) << 8) + lenlo); 941 index += i; 942 break; 943 case 0x90: 944 index += 1; 945 lenlo = vpd[index]; 946 index += 1; 947 lenhi = vpd[index]; 948 index += 1; 949 Length = ((((unsigned short)lenhi) << 8) + lenlo); 950 if (Length > len - index) 951 Length = len - index; 952 while (Length > 0) { 953 /* Look for Serial Number */ 954 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 955 index += 2; 956 i = vpd[index]; 957 index += 1; 958 j = 0; 959 Length -= (3+i); 960 while(i--) { 961 phba->SerialNumber[j++] = vpd[index++]; 962 if (j == 31) 963 break; 964 } 965 phba->SerialNumber[j] = 0; 966 continue; 967 } 968 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 969 phba->vpd_flag |= VPD_MODEL_DESC; 970 index += 2; 971 i = vpd[index]; 972 index += 1; 973 j = 0; 974 Length -= (3+i); 975 while(i--) { 976 phba->ModelDesc[j++] = vpd[index++]; 977 if (j == 255) 978 break; 979 } 980 phba->ModelDesc[j] = 0; 981 continue; 982 } 983 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 984 phba->vpd_flag |= VPD_MODEL_NAME; 985 index += 2; 986 i = vpd[index]; 987 index += 1; 988 j = 0; 989 Length -= (3+i); 990 while(i--) { 991 phba->ModelName[j++] = vpd[index++]; 992 if (j == 79) 993 break; 994 } 995 phba->ModelName[j] = 0; 996 continue; 997 } 998 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 999 phba->vpd_flag |= VPD_PROGRAM_TYPE; 1000 index += 2; 1001 i = vpd[index]; 1002 index += 1; 1003 j = 0; 1004 Length -= (3+i); 1005 while(i--) { 1006 phba->ProgramType[j++] = vpd[index++]; 1007 if (j == 255) 1008 break; 1009 } 1010 phba->ProgramType[j] = 0; 1011 continue; 1012 } 1013 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 1014 phba->vpd_flag |= VPD_PORT; 1015 index += 2; 1016 i = vpd[index]; 1017 index += 1; 1018 j = 0; 1019 Length -= (3+i); 1020 while(i--) { 1021 phba->Port[j++] = vpd[index++]; 1022 if (j == 19) 1023 break; 1024 } 1025 phba->Port[j] = 0; 1026 continue; 1027 } 1028 else { 1029 index += 2; 1030 i = vpd[index]; 1031 index += 1; 1032 index += i; 1033 Length -= (3 + i); 1034 } 1035 } 1036 finished = 0; 1037 break; 1038 case 0x78: 1039 finished = 1; 1040 break; 1041 default: 1042 index ++; 1043 break; 1044 } 1045 } 1046 1047 return(1); 1048 } 1049 1050 static void 1051 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) 1052 { 1053 lpfc_vpd_t *vp; 1054 uint16_t dev_id = phba->pcidev->device; 1055 int max_speed; 1056 struct { 1057 char * name; 1058 int max_speed; 1059 char * bus; 1060 } m = {"<Unknown>", 0, ""}; 1061 1062 if (mdp && mdp[0] != '\0' 1063 && descp && descp[0] != '\0') 1064 return; 1065 1066 if (phba->lmt & LMT_10Gb) 1067 max_speed = 10; 1068 else if (phba->lmt & LMT_8Gb) 1069 max_speed = 8; 1070 else if (phba->lmt & LMT_4Gb) 1071 max_speed = 4; 1072 else if (phba->lmt & LMT_2Gb) 1073 max_speed = 2; 1074 else 1075 max_speed = 1; 1076 1077 vp = &phba->vpd; 1078 1079 switch (dev_id) { 1080 case PCI_DEVICE_ID_FIREFLY: 1081 m = (typeof(m)){"LP6000", max_speed, "PCI"}; 1082 break; 1083 case PCI_DEVICE_ID_SUPERFLY: 1084 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 1085 m = (typeof(m)){"LP7000", max_speed, "PCI"}; 1086 else 1087 m = (typeof(m)){"LP7000E", max_speed, "PCI"}; 1088 break; 1089 case PCI_DEVICE_ID_DRAGONFLY: 1090 m = (typeof(m)){"LP8000", max_speed, "PCI"}; 1091 break; 1092 case PCI_DEVICE_ID_CENTAUR: 1093 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 1094 m = (typeof(m)){"LP9002", max_speed, "PCI"}; 1095 else 1096 m = (typeof(m)){"LP9000", max_speed, "PCI"}; 1097 break; 1098 case PCI_DEVICE_ID_RFLY: 1099 m = (typeof(m)){"LP952", max_speed, "PCI"}; 1100 break; 1101 case PCI_DEVICE_ID_PEGASUS: 1102 m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; 1103 break; 1104 case PCI_DEVICE_ID_THOR: 1105 m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; 1106 break; 1107 case PCI_DEVICE_ID_VIPER: 1108 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; 1109 break; 1110 case PCI_DEVICE_ID_PFLY: 1111 m = (typeof(m)){"LP982", max_speed, "PCI-X"}; 1112 break; 1113 case PCI_DEVICE_ID_TFLY: 1114 m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; 1115 break; 1116 case PCI_DEVICE_ID_HELIOS: 1117 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; 1118 break; 1119 case PCI_DEVICE_ID_HELIOS_SCSP: 1120 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; 1121 break; 1122 case PCI_DEVICE_ID_HELIOS_DCSP: 1123 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; 1124 break; 1125 case PCI_DEVICE_ID_NEPTUNE: 1126 m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; 1127 break; 1128 case PCI_DEVICE_ID_NEPTUNE_SCSP: 1129 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; 1130 break; 1131 case PCI_DEVICE_ID_NEPTUNE_DCSP: 1132 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; 1133 break; 1134 case PCI_DEVICE_ID_BMID: 1135 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; 1136 break; 1137 case PCI_DEVICE_ID_BSMB: 1138 m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; 1139 break; 1140 case PCI_DEVICE_ID_ZEPHYR: 1141 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1142 break; 1143 case PCI_DEVICE_ID_ZEPHYR_SCSP: 1144 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1145 break; 1146 case PCI_DEVICE_ID_ZEPHYR_DCSP: 1147 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; 1148 break; 1149 case PCI_DEVICE_ID_ZMID: 1150 m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; 1151 break; 1152 case PCI_DEVICE_ID_ZSMB: 1153 m = (typeof(m)){"LPe111", max_speed, "PCIe"}; 1154 break; 1155 case PCI_DEVICE_ID_LP101: 1156 m = (typeof(m)){"LP101", max_speed, "PCI-X"}; 1157 break; 1158 case PCI_DEVICE_ID_LP10000S: 1159 m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; 1160 break; 1161 case PCI_DEVICE_ID_LP11000S: 1162 m = (typeof(m)){"LP11000-S", max_speed, 1163 "PCI-X2"}; 1164 break; 1165 case PCI_DEVICE_ID_LPE11000S: 1166 m = (typeof(m)){"LPe11000-S", max_speed, 1167 "PCIe"}; 1168 break; 1169 case PCI_DEVICE_ID_SAT: 1170 m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; 1171 break; 1172 case PCI_DEVICE_ID_SAT_MID: 1173 m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; 1174 break; 1175 case PCI_DEVICE_ID_SAT_SMB: 1176 m = (typeof(m)){"LPe121", max_speed, "PCIe"}; 1177 break; 1178 case PCI_DEVICE_ID_SAT_DCSP: 1179 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; 1180 break; 1181 case PCI_DEVICE_ID_SAT_SCSP: 1182 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; 1183 break; 1184 case PCI_DEVICE_ID_SAT_S: 1185 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; 1186 break; 1187 default: 1188 m = (typeof(m)){ NULL }; 1189 break; 1190 } 1191 1192 if (mdp && mdp[0] == '\0') 1193 snprintf(mdp, 79,"%s", m.name); 1194 if (descp && descp[0] == '\0') 1195 snprintf(descp, 255, 1196 "Emulex %s %dGb %s Fibre Channel Adapter", 1197 m.name, m.max_speed, m.bus); 1198 } 1199 1200 /**************************************************/ 1201 /* lpfc_post_buffer */ 1202 /* */ 1203 /* This routine will post count buffers to the */ 1204 /* ring with the QUE_RING_BUF_CN command. This */ 1205 /* allows 3 buffers / command to be posted. */ 1206 /* Returns the number of buffers NOT posted. */ 1207 /**************************************************/ 1208 int 1209 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, 1210 int type) 1211 { 1212 IOCB_t *icmd; 1213 struct lpfc_iocbq *iocb; 1214 struct lpfc_dmabuf *mp1, *mp2; 1215 1216 cnt += pring->missbufcnt; 1217 1218 /* While there are buffers to post */ 1219 while (cnt > 0) { 1220 /* Allocate buffer for command iocb */ 1221 iocb = lpfc_sli_get_iocbq(phba); 1222 if (iocb == NULL) { 1223 pring->missbufcnt = cnt; 1224 return cnt; 1225 } 1226 icmd = &iocb->iocb; 1227 1228 /* 2 buffers can be posted per command */ 1229 /* Allocate buffer to post */ 1230 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1231 if (mp1) 1232 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); 1233 if (!mp1 || !mp1->virt) { 1234 kfree(mp1); 1235 lpfc_sli_release_iocbq(phba, iocb); 1236 pring->missbufcnt = cnt; 1237 return cnt; 1238 } 1239 1240 INIT_LIST_HEAD(&mp1->list); 1241 /* Allocate buffer to post */ 1242 if (cnt > 1) { 1243 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1244 if (mp2) 1245 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 1246 &mp2->phys); 1247 if (!mp2 || !mp2->virt) { 1248 kfree(mp2); 1249 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1250 kfree(mp1); 1251 lpfc_sli_release_iocbq(phba, iocb); 1252 pring->missbufcnt = cnt; 1253 return cnt; 1254 } 1255 1256 INIT_LIST_HEAD(&mp2->list); 1257 } else { 1258 mp2 = NULL; 1259 } 1260 1261 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 1262 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 1263 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 1264 icmd->ulpBdeCount = 1; 1265 cnt--; 1266 if (mp2) { 1267 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 1268 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 1269 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 1270 cnt--; 1271 icmd->ulpBdeCount = 2; 1272 } 1273 1274 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 1275 icmd->ulpLe = 1; 1276 1277 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 1278 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1279 kfree(mp1); 1280 cnt++; 1281 if (mp2) { 1282 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 1283 kfree(mp2); 1284 cnt++; 1285 } 1286 lpfc_sli_release_iocbq(phba, iocb); 1287 pring->missbufcnt = cnt; 1288 return cnt; 1289 } 1290 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 1291 if (mp2) 1292 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 1293 } 1294 pring->missbufcnt = 0; 1295 return 0; 1296 } 1297 1298 /************************************************************************/ 1299 /* */ 1300 /* lpfc_post_rcv_buf */ 1301 /* This routine post initial rcv buffers to the configured rings */ 1302 /* */ 1303 /************************************************************************/ 1304 static int 1305 lpfc_post_rcv_buf(struct lpfc_hba *phba) 1306 { 1307 struct lpfc_sli *psli = &phba->sli; 1308 1309 /* Ring 0, ELS / CT buffers */ 1310 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 1311 /* Ring 2 - FCP no buffers needed */ 1312 1313 return 0; 1314 } 1315 1316 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 1317 1318 /************************************************************************/ 1319 /* */ 1320 /* lpfc_sha_init */ 1321 /* */ 1322 /************************************************************************/ 1323 static void 1324 lpfc_sha_init(uint32_t * HashResultPointer) 1325 { 1326 HashResultPointer[0] = 0x67452301; 1327 HashResultPointer[1] = 0xEFCDAB89; 1328 HashResultPointer[2] = 0x98BADCFE; 1329 HashResultPointer[3] = 0x10325476; 1330 HashResultPointer[4] = 0xC3D2E1F0; 1331 } 1332 1333 /************************************************************************/ 1334 /* */ 1335 /* lpfc_sha_iterate */ 1336 /* */ 1337 /************************************************************************/ 1338 static void 1339 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1340 { 1341 int t; 1342 uint32_t TEMP; 1343 uint32_t A, B, C, D, E; 1344 t = 16; 1345 do { 1346 HashWorkingPointer[t] = 1347 S(1, 1348 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1349 8] ^ 1350 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1351 } while (++t <= 79); 1352 t = 0; 1353 A = HashResultPointer[0]; 1354 B = HashResultPointer[1]; 1355 C = HashResultPointer[2]; 1356 D = HashResultPointer[3]; 1357 E = HashResultPointer[4]; 1358 1359 do { 1360 if (t < 20) { 1361 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1362 } else if (t < 40) { 1363 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1364 } else if (t < 60) { 1365 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1366 } else { 1367 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1368 } 1369 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1370 E = D; 1371 D = C; 1372 C = S(30, B); 1373 B = A; 1374 A = TEMP; 1375 } while (++t <= 79); 1376 1377 HashResultPointer[0] += A; 1378 HashResultPointer[1] += B; 1379 HashResultPointer[2] += C; 1380 HashResultPointer[3] += D; 1381 HashResultPointer[4] += E; 1382 1383 } 1384 1385 /************************************************************************/ 1386 /* */ 1387 /* lpfc_challenge_key */ 1388 /* */ 1389 /************************************************************************/ 1390 static void 1391 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1392 { 1393 *HashWorking = (*RandomChallenge ^ *HashWorking); 1394 } 1395 1396 /************************************************************************/ 1397 /* */ 1398 /* lpfc_hba_init */ 1399 /* */ 1400 /************************************************************************/ 1401 void 1402 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1403 { 1404 int t; 1405 uint32_t *HashWorking; 1406 uint32_t *pwwnn = (uint32_t *) phba->wwnn; 1407 1408 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); 1409 if (!HashWorking) 1410 return; 1411 1412 HashWorking[0] = HashWorking[78] = *pwwnn++; 1413 HashWorking[1] = HashWorking[79] = *pwwnn; 1414 1415 for (t = 0; t < 7; t++) 1416 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1417 1418 lpfc_sha_init(hbainit); 1419 lpfc_sha_iterate(hbainit, HashWorking); 1420 kfree(HashWorking); 1421 } 1422 1423 void 1424 lpfc_cleanup(struct lpfc_vport *vport) 1425 { 1426 struct lpfc_hba *phba = vport->phba; 1427 struct lpfc_nodelist *ndlp, *next_ndlp; 1428 int i = 0; 1429 1430 if (phba->link_state > LPFC_LINK_DOWN) 1431 lpfc_port_link_failure(vport); 1432 1433 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 1434 if (!NLP_CHK_NODE_ACT(ndlp)) { 1435 ndlp = lpfc_enable_node(vport, ndlp, 1436 NLP_STE_UNUSED_NODE); 1437 if (!ndlp) 1438 continue; 1439 spin_lock_irq(&phba->ndlp_lock); 1440 NLP_SET_FREE_REQ(ndlp); 1441 spin_unlock_irq(&phba->ndlp_lock); 1442 /* Trigger the release of the ndlp memory */ 1443 lpfc_nlp_put(ndlp); 1444 continue; 1445 } 1446 spin_lock_irq(&phba->ndlp_lock); 1447 if (NLP_CHK_FREE_REQ(ndlp)) { 1448 /* The ndlp should not be in memory free mode already */ 1449 spin_unlock_irq(&phba->ndlp_lock); 1450 continue; 1451 } else 1452 /* Indicate request for freeing ndlp memory */ 1453 NLP_SET_FREE_REQ(ndlp); 1454 spin_unlock_irq(&phba->ndlp_lock); 1455 1456 if (ndlp->nlp_type & NLP_FABRIC) 1457 lpfc_disc_state_machine(vport, ndlp, NULL, 1458 NLP_EVT_DEVICE_RECOVERY); 1459 1460 lpfc_disc_state_machine(vport, ndlp, NULL, 1461 NLP_EVT_DEVICE_RM); 1462 } 1463 1464 /* At this point, ALL ndlp's should be gone 1465 * because of the previous NLP_EVT_DEVICE_RM. 1466 * Lets wait for this to happen, if needed. 1467 */ 1468 while (!list_empty(&vport->fc_nodes)) { 1469 1470 if (i++ > 3000) { 1471 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 1472 "0233 Nodelist not empty\n"); 1473 list_for_each_entry_safe(ndlp, next_ndlp, 1474 &vport->fc_nodes, nlp_listp) { 1475 lpfc_printf_vlog(ndlp->vport, KERN_ERR, 1476 LOG_NODE, 1477 "0282: did:x%x ndlp:x%p " 1478 "usgmap:x%x refcnt:%d\n", 1479 ndlp->nlp_DID, (void *)ndlp, 1480 ndlp->nlp_usg_map, 1481 atomic_read( 1482 &ndlp->kref.refcount)); 1483 } 1484 break; 1485 } 1486 1487 /* Wait for any activity on ndlps to settle */ 1488 msleep(10); 1489 } 1490 return; 1491 } 1492 1493 static void 1494 lpfc_establish_link_tmo(unsigned long ptr) 1495 { 1496 struct lpfc_hba *phba = (struct lpfc_hba *) ptr; 1497 struct lpfc_vport **vports; 1498 unsigned long iflag; 1499 int i; 1500 1501 /* Re-establishing Link, timer expired */ 1502 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1503 "1300 Re-establishing Link, timer expired " 1504 "Data: x%x x%x\n", 1505 phba->pport->fc_flag, phba->pport->port_state); 1506 vports = lpfc_create_vport_work_array(phba); 1507 if (vports != NULL) 1508 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1509 struct Scsi_Host *shost; 1510 shost = lpfc_shost_from_vport(vports[i]); 1511 spin_lock_irqsave(shost->host_lock, iflag); 1512 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; 1513 spin_unlock_irqrestore(shost->host_lock, iflag); 1514 } 1515 lpfc_destroy_vport_work_array(phba, vports); 1516 } 1517 1518 void 1519 lpfc_stop_vport_timers(struct lpfc_vport *vport) 1520 { 1521 del_timer_sync(&vport->els_tmofunc); 1522 del_timer_sync(&vport->fc_fdmitmo); 1523 lpfc_can_disctmo(vport); 1524 return; 1525 } 1526 1527 static void 1528 lpfc_stop_phba_timers(struct lpfc_hba *phba) 1529 { 1530 del_timer_sync(&phba->fcp_poll_timer); 1531 del_timer_sync(&phba->fc_estabtmo); 1532 lpfc_stop_vport_timers(phba->pport); 1533 del_timer_sync(&phba->sli.mbox_tmo); 1534 del_timer_sync(&phba->fabric_block_timer); 1535 phba->hb_outstanding = 0; 1536 del_timer_sync(&phba->hb_tmofunc); 1537 return; 1538 } 1539 1540 static void 1541 lpfc_block_mgmt_io(struct lpfc_hba * phba) 1542 { 1543 unsigned long iflag; 1544 1545 spin_lock_irqsave(&phba->hbalock, iflag); 1546 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; 1547 spin_unlock_irqrestore(&phba->hbalock, iflag); 1548 } 1549 1550 int 1551 lpfc_online(struct lpfc_hba *phba) 1552 { 1553 struct lpfc_vport *vport = phba->pport; 1554 struct lpfc_vport **vports; 1555 int i; 1556 1557 if (!phba) 1558 return 0; 1559 1560 if (!(vport->fc_flag & FC_OFFLINE_MODE)) 1561 return 0; 1562 1563 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1564 "0458 Bring Adapter online\n"); 1565 1566 lpfc_block_mgmt_io(phba); 1567 1568 if (!lpfc_sli_queue_setup(phba)) { 1569 lpfc_unblock_mgmt_io(phba); 1570 return 1; 1571 } 1572 1573 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ 1574 lpfc_unblock_mgmt_io(phba); 1575 return 1; 1576 } 1577 1578 vports = lpfc_create_vport_work_array(phba); 1579 if (vports != NULL) 1580 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1581 struct Scsi_Host *shost; 1582 shost = lpfc_shost_from_vport(vports[i]); 1583 spin_lock_irq(shost->host_lock); 1584 vports[i]->fc_flag &= ~FC_OFFLINE_MODE; 1585 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 1586 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1587 spin_unlock_irq(shost->host_lock); 1588 } 1589 lpfc_destroy_vport_work_array(phba, vports); 1590 1591 lpfc_unblock_mgmt_io(phba); 1592 return 0; 1593 } 1594 1595 void 1596 lpfc_unblock_mgmt_io(struct lpfc_hba * phba) 1597 { 1598 unsigned long iflag; 1599 1600 spin_lock_irqsave(&phba->hbalock, iflag); 1601 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; 1602 spin_unlock_irqrestore(&phba->hbalock, iflag); 1603 } 1604 1605 void 1606 lpfc_offline_prep(struct lpfc_hba * phba) 1607 { 1608 struct lpfc_vport *vport = phba->pport; 1609 struct lpfc_nodelist *ndlp, *next_ndlp; 1610 struct lpfc_vport **vports; 1611 int i; 1612 1613 if (vport->fc_flag & FC_OFFLINE_MODE) 1614 return; 1615 1616 lpfc_block_mgmt_io(phba); 1617 1618 lpfc_linkdown(phba); 1619 1620 /* Issue an unreg_login to all nodes on all vports */ 1621 vports = lpfc_create_vport_work_array(phba); 1622 if (vports != NULL) { 1623 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1624 struct Scsi_Host *shost; 1625 1626 if (vports[i]->load_flag & FC_UNLOADING) 1627 continue; 1628 shost = lpfc_shost_from_vport(vports[i]); 1629 list_for_each_entry_safe(ndlp, next_ndlp, 1630 &vports[i]->fc_nodes, 1631 nlp_listp) { 1632 if (!NLP_CHK_NODE_ACT(ndlp)) 1633 continue; 1634 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 1635 continue; 1636 if (ndlp->nlp_type & NLP_FABRIC) { 1637 lpfc_disc_state_machine(vports[i], ndlp, 1638 NULL, NLP_EVT_DEVICE_RECOVERY); 1639 lpfc_disc_state_machine(vports[i], ndlp, 1640 NULL, NLP_EVT_DEVICE_RM); 1641 } 1642 spin_lock_irq(shost->host_lock); 1643 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 1644 spin_unlock_irq(shost->host_lock); 1645 lpfc_unreg_rpi(vports[i], ndlp); 1646 } 1647 } 1648 } 1649 lpfc_destroy_vport_work_array(phba, vports); 1650 1651 lpfc_sli_flush_mbox_queue(phba); 1652 } 1653 1654 void 1655 lpfc_offline(struct lpfc_hba *phba) 1656 { 1657 struct Scsi_Host *shost; 1658 struct lpfc_vport **vports; 1659 int i; 1660 1661 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 1662 return; 1663 1664 /* stop all timers associated with this hba */ 1665 lpfc_stop_phba_timers(phba); 1666 vports = lpfc_create_vport_work_array(phba); 1667 if (vports != NULL) 1668 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) 1669 lpfc_stop_vport_timers(vports[i]); 1670 lpfc_destroy_vport_work_array(phba, vports); 1671 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1672 "0460 Bring Adapter offline\n"); 1673 /* Bring down the SLI Layer and cleanup. The HBA is offline 1674 now. */ 1675 lpfc_sli_hba_down(phba); 1676 spin_lock_irq(&phba->hbalock); 1677 phba->work_ha = 0; 1678 spin_unlock_irq(&phba->hbalock); 1679 vports = lpfc_create_vport_work_array(phba); 1680 if (vports != NULL) 1681 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 1682 shost = lpfc_shost_from_vport(vports[i]); 1683 spin_lock_irq(shost->host_lock); 1684 vports[i]->work_port_events = 0; 1685 vports[i]->fc_flag |= FC_OFFLINE_MODE; 1686 spin_unlock_irq(shost->host_lock); 1687 } 1688 lpfc_destroy_vport_work_array(phba, vports); 1689 } 1690 1691 /****************************************************************************** 1692 * Function name: lpfc_scsi_free 1693 * 1694 * Description: Called from lpfc_pci_remove_one free internal driver resources 1695 * 1696 ******************************************************************************/ 1697 static int 1698 lpfc_scsi_free(struct lpfc_hba *phba) 1699 { 1700 struct lpfc_scsi_buf *sb, *sb_next; 1701 struct lpfc_iocbq *io, *io_next; 1702 1703 spin_lock_irq(&phba->hbalock); 1704 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1705 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1706 list_del(&sb->list); 1707 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1708 sb->dma_handle); 1709 kfree(sb); 1710 phba->total_scsi_bufs--; 1711 } 1712 1713 /* Release all the lpfc_iocbq entries maintained by this host. */ 1714 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1715 list_del(&io->list); 1716 kfree(io); 1717 phba->total_iocbq_bufs--; 1718 } 1719 1720 spin_unlock_irq(&phba->hbalock); 1721 1722 return 0; 1723 } 1724 1725 struct lpfc_vport * 1726 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) 1727 { 1728 struct lpfc_vport *vport; 1729 struct Scsi_Host *shost; 1730 int error = 0; 1731 1732 if (dev != &phba->pcidev->dev) 1733 shost = scsi_host_alloc(&lpfc_vport_template, 1734 sizeof(struct lpfc_vport)); 1735 else 1736 shost = scsi_host_alloc(&lpfc_template, 1737 sizeof(struct lpfc_vport)); 1738 if (!shost) 1739 goto out; 1740 1741 vport = (struct lpfc_vport *) shost->hostdata; 1742 vport->phba = phba; 1743 1744 vport->load_flag |= FC_LOADING; 1745 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1746 1747 lpfc_get_vport_cfgparam(vport); 1748 shost->unique_id = instance; 1749 shost->max_id = LPFC_MAX_TARGET; 1750 shost->max_lun = vport->cfg_max_luns; 1751 shost->this_id = -1; 1752 shost->max_cmd_len = 16; 1753 /* 1754 * Set initial can_queue value since 0 is no longer supported and 1755 * scsi_add_host will fail. This will be adjusted later based on the 1756 * max xri value determined in hba setup. 1757 */ 1758 shost->can_queue = phba->cfg_hba_queue_depth - 10; 1759 if (dev != &phba->pcidev->dev) { 1760 shost->transportt = lpfc_vport_transport_template; 1761 vport->port_type = LPFC_NPIV_PORT; 1762 } else { 1763 shost->transportt = lpfc_transport_template; 1764 vport->port_type = LPFC_PHYSICAL_PORT; 1765 } 1766 1767 /* Initialize all internally managed lists. */ 1768 INIT_LIST_HEAD(&vport->fc_nodes); 1769 spin_lock_init(&vport->work_port_lock); 1770 1771 init_timer(&vport->fc_disctmo); 1772 vport->fc_disctmo.function = lpfc_disc_timeout; 1773 vport->fc_disctmo.data = (unsigned long)vport; 1774 1775 init_timer(&vport->fc_fdmitmo); 1776 vport->fc_fdmitmo.function = lpfc_fdmi_tmo; 1777 vport->fc_fdmitmo.data = (unsigned long)vport; 1778 1779 init_timer(&vport->els_tmofunc); 1780 vport->els_tmofunc.function = lpfc_els_timeout; 1781 vport->els_tmofunc.data = (unsigned long)vport; 1782 1783 error = scsi_add_host(shost, dev); 1784 if (error) 1785 goto out_put_shost; 1786 1787 spin_lock_irq(&phba->hbalock); 1788 list_add_tail(&vport->listentry, &phba->port_list); 1789 spin_unlock_irq(&phba->hbalock); 1790 return vport; 1791 1792 out_put_shost: 1793 scsi_host_put(shost); 1794 out: 1795 return NULL; 1796 } 1797 1798 void 1799 destroy_port(struct lpfc_vport *vport) 1800 { 1801 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1802 struct lpfc_hba *phba = vport->phba; 1803 1804 kfree(vport->vname); 1805 1806 lpfc_debugfs_terminate(vport); 1807 fc_remove_host(shost); 1808 scsi_remove_host(shost); 1809 1810 spin_lock_irq(&phba->hbalock); 1811 list_del_init(&vport->listentry); 1812 spin_unlock_irq(&phba->hbalock); 1813 1814 lpfc_cleanup(vport); 1815 return; 1816 } 1817 1818 int 1819 lpfc_get_instance(void) 1820 { 1821 int instance = 0; 1822 1823 /* Assign an unused number */ 1824 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1825 return -1; 1826 if (idr_get_new(&lpfc_hba_index, NULL, &instance)) 1827 return -1; 1828 return instance; 1829 } 1830 1831 /* 1832 * Note: there is no scan_start function as adapter initialization 1833 * will have asynchronously kicked off the link initialization. 1834 */ 1835 1836 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) 1837 { 1838 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1839 struct lpfc_hba *phba = vport->phba; 1840 int stat = 0; 1841 1842 spin_lock_irq(shost->host_lock); 1843 1844 if (vport->load_flag & FC_UNLOADING) { 1845 stat = 1; 1846 goto finished; 1847 } 1848 if (time >= 30 * HZ) { 1849 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1850 "0461 Scanning longer than 30 " 1851 "seconds. Continuing initialization\n"); 1852 stat = 1; 1853 goto finished; 1854 } 1855 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { 1856 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1857 "0465 Link down longer than 15 " 1858 "seconds. Continuing initialization\n"); 1859 stat = 1; 1860 goto finished; 1861 } 1862 1863 if (vport->port_state != LPFC_VPORT_READY) 1864 goto finished; 1865 if (vport->num_disc_nodes || vport->fc_prli_sent) 1866 goto finished; 1867 if (vport->fc_map_cnt == 0 && time < 2 * HZ) 1868 goto finished; 1869 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) 1870 goto finished; 1871 1872 stat = 1; 1873 1874 finished: 1875 spin_unlock_irq(shost->host_lock); 1876 return stat; 1877 } 1878 1879 void lpfc_host_attrib_init(struct Scsi_Host *shost) 1880 { 1881 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1882 struct lpfc_hba *phba = vport->phba; 1883 /* 1884 * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). 1885 */ 1886 1887 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 1888 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 1889 fc_host_supported_classes(shost) = FC_COS_CLASS3; 1890 1891 memset(fc_host_supported_fc4s(shost), 0, 1892 sizeof(fc_host_supported_fc4s(shost))); 1893 fc_host_supported_fc4s(shost)[2] = 1; 1894 fc_host_supported_fc4s(shost)[7] = 1; 1895 1896 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), 1897 sizeof fc_host_symbolic_name(shost)); 1898 1899 fc_host_supported_speeds(shost) = 0; 1900 if (phba->lmt & LMT_10Gb) 1901 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; 1902 if (phba->lmt & LMT_8Gb) 1903 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; 1904 if (phba->lmt & LMT_4Gb) 1905 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; 1906 if (phba->lmt & LMT_2Gb) 1907 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; 1908 if (phba->lmt & LMT_1Gb) 1909 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; 1910 1911 fc_host_maxframe_size(shost) = 1912 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 1913 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; 1914 1915 /* This value is also unchanging */ 1916 memset(fc_host_active_fc4s(shost), 0, 1917 sizeof(fc_host_active_fc4s(shost))); 1918 fc_host_active_fc4s(shost)[2] = 1; 1919 fc_host_active_fc4s(shost)[7] = 1; 1920 1921 fc_host_max_npiv_vports(shost) = phba->max_vpi; 1922 spin_lock_irq(shost->host_lock); 1923 vport->load_flag &= ~FC_LOADING; 1924 spin_unlock_irq(shost->host_lock); 1925 } 1926 1927 static int 1928 lpfc_enable_msix(struct lpfc_hba *phba) 1929 { 1930 int error; 1931 1932 phba->msix_entries[0].entry = 0; 1933 phba->msix_entries[0].vector = 0; 1934 1935 error = pci_enable_msix(phba->pcidev, phba->msix_entries, 1936 ARRAY_SIZE(phba->msix_entries)); 1937 if (error) { 1938 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1939 "0420 Enable MSI-X failed (%d), continuing " 1940 "with MSI\n", error); 1941 pci_disable_msix(phba->pcidev); 1942 return error; 1943 } 1944 1945 error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, 1946 LPFC_DRIVER_NAME, phba); 1947 if (error) { 1948 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1949 "0421 MSI-X request_irq failed (%d), " 1950 "continuing with MSI\n", error); 1951 pci_disable_msix(phba->pcidev); 1952 } 1953 return error; 1954 } 1955 1956 static void 1957 lpfc_disable_msix(struct lpfc_hba *phba) 1958 { 1959 free_irq(phba->msix_entries[0].vector, phba); 1960 pci_disable_msix(phba->pcidev); 1961 } 1962 1963 static int __devinit 1964 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1965 { 1966 struct lpfc_vport *vport = NULL; 1967 struct lpfc_hba *phba; 1968 struct lpfc_sli *psli; 1969 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1970 struct Scsi_Host *shost = NULL; 1971 void *ptr; 1972 unsigned long bar0map_len, bar2map_len; 1973 int error = -ENODEV, retval; 1974 int i, hbq_count; 1975 uint16_t iotag; 1976 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 1977 1978 if (pci_enable_device_mem(pdev)) 1979 goto out; 1980 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) 1981 goto out_disable_device; 1982 1983 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); 1984 if (!phba) 1985 goto out_release_regions; 1986 1987 spin_lock_init(&phba->hbalock); 1988 1989 /* Initialize ndlp management spinlock */ 1990 spin_lock_init(&phba->ndlp_lock); 1991 1992 phba->pcidev = pdev; 1993 1994 /* Assign an unused board number */ 1995 if ((phba->brd_no = lpfc_get_instance()) < 0) 1996 goto out_free_phba; 1997 1998 INIT_LIST_HEAD(&phba->port_list); 1999 /* 2000 * Get all the module params for configuring this host and then 2001 * establish the host. 2002 */ 2003 lpfc_get_cfgparam(phba); 2004 phba->max_vpi = LPFC_MAX_VPI; 2005 2006 /* Initialize timers used by driver */ 2007 init_timer(&phba->fc_estabtmo); 2008 phba->fc_estabtmo.function = lpfc_establish_link_tmo; 2009 phba->fc_estabtmo.data = (unsigned long)phba; 2010 2011 init_timer(&phba->hb_tmofunc); 2012 phba->hb_tmofunc.function = lpfc_hb_timeout; 2013 phba->hb_tmofunc.data = (unsigned long)phba; 2014 2015 psli = &phba->sli; 2016 init_timer(&psli->mbox_tmo); 2017 psli->mbox_tmo.function = lpfc_mbox_timeout; 2018 psli->mbox_tmo.data = (unsigned long) phba; 2019 init_timer(&phba->fcp_poll_timer); 2020 phba->fcp_poll_timer.function = lpfc_poll_timeout; 2021 phba->fcp_poll_timer.data = (unsigned long) phba; 2022 init_timer(&phba->fabric_block_timer); 2023 phba->fabric_block_timer.function = lpfc_fabric_block_timeout; 2024 phba->fabric_block_timer.data = (unsigned long) phba; 2025 2026 pci_set_master(pdev); 2027 pci_try_set_mwi(pdev); 2028 2029 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 2030 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 2031 goto out_idr_remove; 2032 2033 /* 2034 * Get the bus address of Bar0 and Bar2 and the number of bytes 2035 * required by each mapping. 2036 */ 2037 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 2038 bar0map_len = pci_resource_len(phba->pcidev, 0); 2039 2040 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 2041 bar2map_len = pci_resource_len(phba->pcidev, 2); 2042 2043 /* Map HBA SLIM to a kernel virtual address. */ 2044 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 2045 if (!phba->slim_memmap_p) { 2046 error = -ENODEV; 2047 dev_printk(KERN_ERR, &pdev->dev, 2048 "ioremap failed for SLIM memory.\n"); 2049 goto out_idr_remove; 2050 } 2051 2052 /* Map HBA Control Registers to a kernel virtual address. */ 2053 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 2054 if (!phba->ctrl_regs_memmap_p) { 2055 error = -ENODEV; 2056 dev_printk(KERN_ERR, &pdev->dev, 2057 "ioremap failed for HBA control registers.\n"); 2058 goto out_iounmap_slim; 2059 } 2060 2061 /* Allocate memory for SLI-2 structures */ 2062 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 2063 &phba->slim2p_mapping, GFP_KERNEL); 2064 if (!phba->slim2p) 2065 goto out_iounmap; 2066 2067 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 2068 2069 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, 2070 lpfc_sli_hbq_size(), 2071 &phba->hbqslimp.phys, 2072 GFP_KERNEL); 2073 if (!phba->hbqslimp.virt) 2074 goto out_free_slim; 2075 2076 hbq_count = lpfc_sli_hbq_count(); 2077 ptr = phba->hbqslimp.virt; 2078 for (i = 0; i < hbq_count; ++i) { 2079 phba->hbqs[i].hbq_virt = ptr; 2080 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); 2081 ptr += (lpfc_hbq_defs[i]->entry_count * 2082 sizeof(struct lpfc_hbq_entry)); 2083 } 2084 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; 2085 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; 2086 2087 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 2088 2089 /* Initialize the SLI Layer to run with lpfc HBAs. */ 2090 lpfc_sli_setup(phba); 2091 lpfc_sli_queue_setup(phba); 2092 2093 retval = lpfc_mem_alloc(phba); 2094 if (retval) { 2095 error = retval; 2096 goto out_free_hbqslimp; 2097 } 2098 2099 /* Initialize and populate the iocb list per host. */ 2100 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 2101 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 2102 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 2103 if (iocbq_entry == NULL) { 2104 printk(KERN_ERR "%s: only allocated %d iocbs of " 2105 "expected %d count. Unloading driver.\n", 2106 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 2107 error = -ENOMEM; 2108 goto out_free_iocbq; 2109 } 2110 2111 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 2112 if (iotag == 0) { 2113 kfree (iocbq_entry); 2114 printk(KERN_ERR "%s: failed to allocate IOTAG. " 2115 "Unloading driver.\n", 2116 __FUNCTION__); 2117 error = -ENOMEM; 2118 goto out_free_iocbq; 2119 } 2120 2121 spin_lock_irq(&phba->hbalock); 2122 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 2123 phba->total_iocbq_bufs++; 2124 spin_unlock_irq(&phba->hbalock); 2125 } 2126 2127 /* Initialize HBA structure */ 2128 phba->fc_edtov = FF_DEF_EDTOV; 2129 phba->fc_ratov = FF_DEF_RATOV; 2130 phba->fc_altov = FF_DEF_ALTOV; 2131 phba->fc_arbtov = FF_DEF_ARBTOV; 2132 2133 INIT_LIST_HEAD(&phba->work_list); 2134 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); 2135 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 2136 2137 /* Startup the kernel thread for this host adapter. */ 2138 phba->worker_thread = kthread_run(lpfc_do_work, phba, 2139 "lpfc_worker_%d", phba->brd_no); 2140 if (IS_ERR(phba->worker_thread)) { 2141 error = PTR_ERR(phba->worker_thread); 2142 goto out_free_iocbq; 2143 } 2144 2145 /* Initialize the list of scsi buffers used by driver for scsi IO. */ 2146 spin_lock_init(&phba->scsi_buf_list_lock); 2147 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); 2148 2149 /* Initialize list of fabric iocbs */ 2150 INIT_LIST_HEAD(&phba->fabric_iocb_list); 2151 2152 /* Initialize list to save ELS buffers */ 2153 INIT_LIST_HEAD(&phba->elsbuf); 2154 2155 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); 2156 if (!vport) 2157 goto out_kthread_stop; 2158 2159 shost = lpfc_shost_from_vport(vport); 2160 phba->pport = vport; 2161 lpfc_debugfs_initialize(vport); 2162 2163 pci_set_drvdata(pdev, shost); 2164 phba->intr_type = NONE; 2165 2166 if (phba->cfg_use_msi == 2) { 2167 error = lpfc_enable_msix(phba); 2168 if (!error) 2169 phba->intr_type = MSIX; 2170 } 2171 2172 /* Fallback to MSI if MSI-X initialization failed */ 2173 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { 2174 retval = pci_enable_msi(phba->pcidev); 2175 if (!retval) 2176 phba->intr_type = MSI; 2177 else 2178 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 2179 "0452 Enable MSI failed, continuing " 2180 "with IRQ\n"); 2181 } 2182 2183 /* MSI-X is the only case the doesn't need to call request_irq */ 2184 if (phba->intr_type != MSIX) { 2185 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, 2186 IRQF_SHARED, LPFC_DRIVER_NAME, phba); 2187 if (retval) { 2188 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable " 2189 "interrupt handler failed\n"); 2190 error = retval; 2191 goto out_disable_msi; 2192 } else if (phba->intr_type != MSI) 2193 phba->intr_type = INTx; 2194 } 2195 2196 phba->MBslimaddr = phba->slim_memmap_p; 2197 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 2198 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 2199 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 2200 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 2201 2202 if (lpfc_alloc_sysfs_attr(vport)) { 2203 error = -ENOMEM; 2204 goto out_free_irq; 2205 } 2206 2207 if (lpfc_sli_hba_setup(phba)) { 2208 error = -ENODEV; 2209 goto out_remove_device; 2210 } 2211 2212 /* 2213 * hba setup may have changed the hba_queue_depth so we need to adjust 2214 * the value of can_queue. 2215 */ 2216 shost->can_queue = phba->cfg_hba_queue_depth - 10; 2217 2218 lpfc_host_attrib_init(shost); 2219 2220 if (phba->cfg_poll & DISABLE_FCP_RING_INT) { 2221 spin_lock_irq(shost->host_lock); 2222 lpfc_poll_start_timer(phba); 2223 spin_unlock_irq(shost->host_lock); 2224 } 2225 2226 scsi_scan_host(shost); 2227 2228 return 0; 2229 2230 out_remove_device: 2231 lpfc_free_sysfs_attr(vport); 2232 spin_lock_irq(shost->host_lock); 2233 vport->load_flag |= FC_UNLOADING; 2234 spin_unlock_irq(shost->host_lock); 2235 out_free_irq: 2236 lpfc_stop_phba_timers(phba); 2237 phba->pport->work_port_events = 0; 2238 2239 if (phba->intr_type == MSIX) 2240 lpfc_disable_msix(phba); 2241 else 2242 free_irq(phba->pcidev->irq, phba); 2243 2244 out_disable_msi: 2245 if (phba->intr_type == MSI) 2246 pci_disable_msi(phba->pcidev); 2247 destroy_port(vport); 2248 out_kthread_stop: 2249 kthread_stop(phba->worker_thread); 2250 out_free_iocbq: 2251 list_for_each_entry_safe(iocbq_entry, iocbq_next, 2252 &phba->lpfc_iocb_list, list) { 2253 kfree(iocbq_entry); 2254 phba->total_iocbq_bufs--; 2255 } 2256 lpfc_mem_free(phba); 2257 out_free_hbqslimp: 2258 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2259 phba->hbqslimp.phys); 2260 out_free_slim: 2261 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, 2262 phba->slim2p_mapping); 2263 out_iounmap: 2264 iounmap(phba->ctrl_regs_memmap_p); 2265 out_iounmap_slim: 2266 iounmap(phba->slim_memmap_p); 2267 out_idr_remove: 2268 idr_remove(&lpfc_hba_index, phba->brd_no); 2269 out_free_phba: 2270 kfree(phba); 2271 out_release_regions: 2272 pci_release_selected_regions(pdev, bars); 2273 out_disable_device: 2274 pci_disable_device(pdev); 2275 out: 2276 pci_set_drvdata(pdev, NULL); 2277 if (shost) 2278 scsi_host_put(shost); 2279 return error; 2280 } 2281 2282 static void __devexit 2283 lpfc_pci_remove_one(struct pci_dev *pdev) 2284 { 2285 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2286 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2287 struct lpfc_hba *phba = vport->phba; 2288 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 2289 2290 spin_lock_irq(&phba->hbalock); 2291 vport->load_flag |= FC_UNLOADING; 2292 spin_unlock_irq(&phba->hbalock); 2293 2294 kfree(vport->vname); 2295 lpfc_free_sysfs_attr(vport); 2296 2297 kthread_stop(phba->worker_thread); 2298 2299 fc_remove_host(shost); 2300 scsi_remove_host(shost); 2301 lpfc_cleanup(vport); 2302 2303 /* 2304 * Bring down the SLI Layer. This step disable all interrupts, 2305 * clears the rings, discards all mailbox commands, and resets 2306 * the HBA. 2307 */ 2308 lpfc_sli_hba_down(phba); 2309 lpfc_sli_brdrestart(phba); 2310 2311 lpfc_stop_phba_timers(phba); 2312 spin_lock_irq(&phba->hbalock); 2313 list_del_init(&vport->listentry); 2314 spin_unlock_irq(&phba->hbalock); 2315 2316 lpfc_debugfs_terminate(vport); 2317 2318 if (phba->intr_type == MSIX) 2319 lpfc_disable_msix(phba); 2320 else { 2321 free_irq(phba->pcidev->irq, phba); 2322 if (phba->intr_type == MSI) 2323 pci_disable_msi(phba->pcidev); 2324 } 2325 2326 pci_set_drvdata(pdev, NULL); 2327 scsi_host_put(shost); 2328 2329 /* 2330 * Call scsi_free before mem_free since scsi bufs are released to their 2331 * corresponding pools here. 2332 */ 2333 lpfc_scsi_free(phba); 2334 lpfc_mem_free(phba); 2335 2336 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2337 phba->hbqslimp.phys); 2338 2339 /* Free resources associated with SLI2 interface */ 2340 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 2341 phba->slim2p, phba->slim2p_mapping); 2342 2343 /* unmap adapter SLIM and Control Registers */ 2344 iounmap(phba->ctrl_regs_memmap_p); 2345 iounmap(phba->slim_memmap_p); 2346 2347 idr_remove(&lpfc_hba_index, phba->brd_no); 2348 2349 kfree(phba); 2350 2351 pci_release_selected_regions(pdev, bars); 2352 pci_disable_device(pdev); 2353 } 2354 2355 /** 2356 * lpfc_io_error_detected - called when PCI error is detected 2357 * @pdev: Pointer to PCI device 2358 * @state: The current pci conneection state 2359 * 2360 * This function is called after a PCI bus error affecting 2361 * this device has been detected. 2362 */ 2363 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, 2364 pci_channel_state_t state) 2365 { 2366 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2367 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2368 struct lpfc_sli *psli = &phba->sli; 2369 struct lpfc_sli_ring *pring; 2370 2371 if (state == pci_channel_io_perm_failure) 2372 return PCI_ERS_RESULT_DISCONNECT; 2373 2374 pci_disable_device(pdev); 2375 /* 2376 * There may be I/Os dropped by the firmware. 2377 * Error iocb (I/O) on txcmplq and let the SCSI layer 2378 * retry it after re-establishing link. 2379 */ 2380 pring = &psli->ring[psli->fcp_ring]; 2381 lpfc_sli_abort_iocb_ring(phba, pring); 2382 2383 if (phba->intr_type == MSIX) 2384 lpfc_disable_msix(phba); 2385 else { 2386 free_irq(phba->pcidev->irq, phba); 2387 if (phba->intr_type == MSI) 2388 pci_disable_msi(phba->pcidev); 2389 } 2390 2391 /* Request a slot reset. */ 2392 return PCI_ERS_RESULT_NEED_RESET; 2393 } 2394 2395 /** 2396 * lpfc_io_slot_reset - called after the pci bus has been reset. 2397 * @pdev: Pointer to PCI device 2398 * 2399 * Restart the card from scratch, as if from a cold-boot. 2400 */ 2401 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) 2402 { 2403 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2404 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2405 struct lpfc_sli *psli = &phba->sli; 2406 2407 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 2408 if (pci_enable_device_mem(pdev)) { 2409 printk(KERN_ERR "lpfc: Cannot re-enable " 2410 "PCI device after reset.\n"); 2411 return PCI_ERS_RESULT_DISCONNECT; 2412 } 2413 2414 pci_set_master(pdev); 2415 2416 /* Re-establishing Link */ 2417 spin_lock_irq(shost->host_lock); 2418 phba->pport->fc_flag |= FC_ESTABLISH_LINK; 2419 spin_unlock_irq(shost->host_lock); 2420 2421 spin_lock_irq(&phba->hbalock); 2422 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 2423 spin_unlock_irq(&phba->hbalock); 2424 2425 2426 /* Take device offline; this will perform cleanup */ 2427 lpfc_offline(phba); 2428 lpfc_sli_brdrestart(phba); 2429 2430 return PCI_ERS_RESULT_RECOVERED; 2431 } 2432 2433 /** 2434 * lpfc_io_resume - called when traffic can start flowing again. 2435 * @pdev: Pointer to PCI device 2436 * 2437 * This callback is called when the error recovery driver tells us that 2438 * its OK to resume normal operation. 2439 */ 2440 static void lpfc_io_resume(struct pci_dev *pdev) 2441 { 2442 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2443 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2444 2445 if (lpfc_online(phba) == 0) { 2446 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 2447 } 2448 } 2449 2450 static struct pci_device_id lpfc_id_table[] = { 2451 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, 2452 PCI_ANY_ID, PCI_ANY_ID, }, 2453 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, 2454 PCI_ANY_ID, PCI_ANY_ID, }, 2455 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, 2456 PCI_ANY_ID, PCI_ANY_ID, }, 2457 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, 2458 PCI_ANY_ID, PCI_ANY_ID, }, 2459 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, 2460 PCI_ANY_ID, PCI_ANY_ID, }, 2461 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, 2462 PCI_ANY_ID, PCI_ANY_ID, }, 2463 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, 2464 PCI_ANY_ID, PCI_ANY_ID, }, 2465 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, 2466 PCI_ANY_ID, PCI_ANY_ID, }, 2467 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, 2468 PCI_ANY_ID, PCI_ANY_ID, }, 2469 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, 2470 PCI_ANY_ID, PCI_ANY_ID, }, 2471 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, 2472 PCI_ANY_ID, PCI_ANY_ID, }, 2473 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, 2474 PCI_ANY_ID, PCI_ANY_ID, }, 2475 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, 2476 PCI_ANY_ID, PCI_ANY_ID, }, 2477 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, 2478 PCI_ANY_ID, PCI_ANY_ID, }, 2479 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, 2480 PCI_ANY_ID, PCI_ANY_ID, }, 2481 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, 2482 PCI_ANY_ID, PCI_ANY_ID, }, 2483 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, 2484 PCI_ANY_ID, PCI_ANY_ID, }, 2485 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, 2486 PCI_ANY_ID, PCI_ANY_ID, }, 2487 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, 2488 PCI_ANY_ID, PCI_ANY_ID, }, 2489 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, 2490 PCI_ANY_ID, PCI_ANY_ID, }, 2491 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, 2492 PCI_ANY_ID, PCI_ANY_ID, }, 2493 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, 2494 PCI_ANY_ID, PCI_ANY_ID, }, 2495 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, 2496 PCI_ANY_ID, PCI_ANY_ID, }, 2497 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, 2498 PCI_ANY_ID, PCI_ANY_ID, }, 2499 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, 2500 PCI_ANY_ID, PCI_ANY_ID, }, 2501 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, 2502 PCI_ANY_ID, PCI_ANY_ID, }, 2503 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, 2504 PCI_ANY_ID, PCI_ANY_ID, }, 2505 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, 2506 PCI_ANY_ID, PCI_ANY_ID, }, 2507 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, 2508 PCI_ANY_ID, PCI_ANY_ID, }, 2509 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, 2510 PCI_ANY_ID, PCI_ANY_ID, }, 2511 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, 2512 PCI_ANY_ID, PCI_ANY_ID, }, 2513 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, 2514 PCI_ANY_ID, PCI_ANY_ID, }, 2515 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, 2516 PCI_ANY_ID, PCI_ANY_ID, }, 2517 { 0 } 2518 }; 2519 2520 MODULE_DEVICE_TABLE(pci, lpfc_id_table); 2521 2522 static struct pci_error_handlers lpfc_err_handler = { 2523 .error_detected = lpfc_io_error_detected, 2524 .slot_reset = lpfc_io_slot_reset, 2525 .resume = lpfc_io_resume, 2526 }; 2527 2528 static struct pci_driver lpfc_driver = { 2529 .name = LPFC_DRIVER_NAME, 2530 .id_table = lpfc_id_table, 2531 .probe = lpfc_pci_probe_one, 2532 .remove = __devexit_p(lpfc_pci_remove_one), 2533 .err_handler = &lpfc_err_handler, 2534 }; 2535 2536 static int __init 2537 lpfc_init(void) 2538 { 2539 int error = 0; 2540 2541 printk(LPFC_MODULE_DESC "\n"); 2542 printk(LPFC_COPYRIGHT "\n"); 2543 2544 if (lpfc_enable_npiv) { 2545 lpfc_transport_functions.vport_create = lpfc_vport_create; 2546 lpfc_transport_functions.vport_delete = lpfc_vport_delete; 2547 } 2548 lpfc_transport_template = 2549 fc_attach_transport(&lpfc_transport_functions); 2550 if (lpfc_transport_template == NULL) 2551 return -ENOMEM; 2552 if (lpfc_enable_npiv) { 2553 lpfc_vport_transport_template = 2554 fc_attach_transport(&lpfc_vport_transport_functions); 2555 if (lpfc_vport_transport_template == NULL) { 2556 fc_release_transport(lpfc_transport_template); 2557 return -ENOMEM; 2558 } 2559 } 2560 error = pci_register_driver(&lpfc_driver); 2561 if (error) { 2562 fc_release_transport(lpfc_transport_template); 2563 fc_release_transport(lpfc_vport_transport_template); 2564 } 2565 2566 return error; 2567 } 2568 2569 static void __exit 2570 lpfc_exit(void) 2571 { 2572 pci_unregister_driver(&lpfc_driver); 2573 fc_release_transport(lpfc_transport_template); 2574 if (lpfc_enable_npiv) 2575 fc_release_transport(lpfc_vport_transport_template); 2576 } 2577 2578 module_init(lpfc_init); 2579 module_exit(lpfc_exit); 2580 MODULE_LICENSE("GPL"); 2581 MODULE_DESCRIPTION(LPFC_MODULE_DESC); 2582 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); 2583 MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 2584