lpfc_init.c revision 87af33fe5f78c27cf9e43c6e586dd6efd4be3e40
1/******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8 * * 9 * This program is free software; you can redistribute it and/or * 10 * modify it under the terms of version 2 of the GNU General * 11 * Public License as published by the Free Software Foundation. * 12 * This program is distributed in the hope that it will be useful. * 13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17 * TO BE LEGALLY INVALID. See the GNU General Public License for * 18 * more details, a copy of which can be found in the file COPYING * 19 * included with this package. * 20 *******************************************************************/ 21 22#include <linux/blkdev.h> 23#include <linux/delay.h> 24#include <linux/dma-mapping.h> 25#include <linux/idr.h> 26#include <linux/interrupt.h> 27#include <linux/kthread.h> 28#include <linux/pci.h> 29#include <linux/spinlock.h> 30#include <linux/ctype.h> 31 32#include <scsi/scsi.h> 33#include <scsi/scsi_device.h> 34#include <scsi/scsi_host.h> 35#include <scsi/scsi_transport_fc.h> 36 37#include "lpfc_hw.h" 38#include "lpfc_sli.h" 39#include "lpfc_disc.h" 40#include "lpfc_scsi.h" 41#include "lpfc.h" 42#include "lpfc_logmsg.h" 43#include "lpfc_crtn.h" 44#include "lpfc_vport.h" 45#include "lpfc_version.h" 46 47static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); 48static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); 49static int lpfc_post_rcv_buf(struct lpfc_hba *); 50 51static struct scsi_transport_template *lpfc_transport_template = NULL; 52static struct scsi_transport_template *lpfc_vport_transport_template = NULL; 53static 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/************************************************************************/ 66int 67lpfc_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); 208out_free_context2: 209 kfree(pmb->context2); 210out_free_mbox: 211 mempool_free(pmb, phba->mbox_mem_pool); 212 return 0; 213} 214 215/* Completion handler for config async event mailbox command. */ 216static void 217lpfc_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/************************************************************************/ 237int 238lpfc_config_port_post(struct lpfc_hba *phba) 239{ 240 struct lpfc_vport *vport = phba->pport; 241 LPFC_MBOXQ_t *pmb; 242 MAILBOX_t *mb; 243 struct lpfc_dmabuf *mp; 244 struct lpfc_sli *psli = &phba->sli; 245 uint32_t status, timeout; 246 int i, j; 247 int rc; 248 249 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 250 if (!pmb) { 251 phba->link_state = LPFC_HBA_ERROR; 252 return -ENOMEM; 253 } 254 mb = &pmb->mb; 255 256 /* Get login parameters for NID. */ 257 lpfc_read_sparam(phba, pmb, 0); 258 pmb->vport = vport; 259 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 260 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 261 "0448 Adapter failed init, mbxCmd x%x " 262 "READ_SPARM mbxStatus x%x\n", 263 mb->mbxCommand, mb->mbxStatus); 264 phba->link_state = LPFC_HBA_ERROR; 265 mp = (struct lpfc_dmabuf *) pmb->context1; 266 mempool_free( pmb, phba->mbox_mem_pool); 267 lpfc_mbuf_free(phba, mp->virt, mp->phys); 268 kfree(mp); 269 return -EIO; 270 } 271 272 mp = (struct lpfc_dmabuf *) pmb->context1; 273 274 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); 275 lpfc_mbuf_free(phba, mp->virt, mp->phys); 276 kfree(mp); 277 pmb->context1 = NULL; 278 279 if (phba->cfg_soft_wwnn) 280 u64_to_wwn(phba->cfg_soft_wwnn, 281 vport->fc_sparam.nodeName.u.wwn); 282 if (phba->cfg_soft_wwpn) 283 u64_to_wwn(phba->cfg_soft_wwpn, 284 vport->fc_sparam.portName.u.wwn); 285 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, 286 sizeof (struct lpfc_name)); 287 memcpy(&vport->fc_portname, &vport->fc_sparam.portName, 288 sizeof (struct lpfc_name)); 289 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 290 /* This should be consolidated into parse_vpd ? - mr */ 291 if (phba->SerialNumber[0] == 0) { 292 uint8_t *outptr; 293 294 outptr = &vport->fc_nodename.u.s.IEEE[0]; 295 for (i = 0; i < 12; i++) { 296 status = *outptr++; 297 j = ((status & 0xf0) >> 4); 298 if (j <= 9) 299 phba->SerialNumber[i] = 300 (char)((uint8_t) 0x30 + (uint8_t) j); 301 else 302 phba->SerialNumber[i] = 303 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 304 i++; 305 j = (status & 0xf); 306 if (j <= 9) 307 phba->SerialNumber[i] = 308 (char)((uint8_t) 0x30 + (uint8_t) j); 309 else 310 phba->SerialNumber[i] = 311 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 312 } 313 } 314 315 lpfc_read_config(phba, pmb); 316 pmb->vport = vport; 317 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 318 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 319 "0453 Adapter failed to init, mbxCmd x%x " 320 "READ_CONFIG, mbxStatus x%x\n", 321 mb->mbxCommand, mb->mbxStatus); 322 phba->link_state = LPFC_HBA_ERROR; 323 mempool_free( pmb, phba->mbox_mem_pool); 324 return -EIO; 325 } 326 327 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 328 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) 329 phba->cfg_hba_queue_depth = 330 mb->un.varRdConfig.max_xri + 1; 331 332 phba->lmt = mb->un.varRdConfig.lmt; 333 334 /* Get the default values for Model Name and Description */ 335 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 336 337 if ((phba->cfg_link_speed > LINK_SPEED_10G) 338 || ((phba->cfg_link_speed == LINK_SPEED_1G) 339 && !(phba->lmt & LMT_1Gb)) 340 || ((phba->cfg_link_speed == LINK_SPEED_2G) 341 && !(phba->lmt & LMT_2Gb)) 342 || ((phba->cfg_link_speed == LINK_SPEED_4G) 343 && !(phba->lmt & LMT_4Gb)) 344 || ((phba->cfg_link_speed == LINK_SPEED_8G) 345 && !(phba->lmt & LMT_8Gb)) 346 || ((phba->cfg_link_speed == LINK_SPEED_10G) 347 && !(phba->lmt & LMT_10Gb))) { 348 /* Reset link speed to auto */ 349 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, 350 "1302 Invalid speed for this board: " 351 "Reset link speed to auto: x%x\n", 352 phba->cfg_link_speed); 353 phba->cfg_link_speed = LINK_SPEED_AUTO; 354 } 355 356 phba->link_state = LPFC_LINK_DOWN; 357 358 /* Only process IOCBs on ELS ring till hba_state is READY */ 359 if (psli->ring[psli->extra_ring].cmdringaddr) 360 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; 361 if (psli->ring[psli->fcp_ring].cmdringaddr) 362 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; 363 if (psli->ring[psli->next_ring].cmdringaddr) 364 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; 365 366 /* Post receive buffers for desired rings */ 367 if (phba->sli_rev != 3) 368 lpfc_post_rcv_buf(phba); 369 370 /* Enable appropriate host interrupts */ 371 spin_lock_irq(&phba->hbalock); 372 status = readl(phba->HCregaddr); 373 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 374 if (psli->num_rings > 0) 375 status |= HC_R0INT_ENA; 376 if (psli->num_rings > 1) 377 status |= HC_R1INT_ENA; 378 if (psli->num_rings > 2) 379 status |= HC_R2INT_ENA; 380 if (psli->num_rings > 3) 381 status |= HC_R3INT_ENA; 382 383 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && 384 (phba->cfg_poll & DISABLE_FCP_RING_INT)) 385 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); 386 387 writel(status, phba->HCregaddr); 388 readl(phba->HCregaddr); /* flush */ 389 spin_unlock_irq(&phba->hbalock); 390 391 /* 392 * Setup the ring 0 (els) timeout handler 393 */ 394 timeout = phba->fc_ratov << 1; 395 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); 396 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 397 phba->hb_outstanding = 0; 398 phba->last_completion_time = jiffies; 399 400 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); 401 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 402 pmb->vport = vport; 403 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 404 lpfc_set_loopback_flag(phba); 405 if (rc != MBX_SUCCESS) { 406 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 407 "0454 Adapter failed to init, mbxCmd x%x " 408 "INIT_LINK, mbxStatus x%x\n", 409 mb->mbxCommand, mb->mbxStatus); 410 411 /* Clear all interrupt enable conditions */ 412 writel(0, phba->HCregaddr); 413 readl(phba->HCregaddr); /* flush */ 414 /* Clear all pending interrupts */ 415 writel(0xffffffff, phba->HAregaddr); 416 readl(phba->HAregaddr); /* flush */ 417 418 phba->link_state = LPFC_HBA_ERROR; 419 if (rc != MBX_BUSY) 420 mempool_free(pmb, phba->mbox_mem_pool); 421 return -EIO; 422 } 423 /* MBOX buffer will be freed in mbox compl */ 424 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 425 lpfc_config_async(phba, pmb, LPFC_ELS_RING); 426 pmb->mbox_cmpl = lpfc_config_async_cmpl; 427 pmb->vport = phba->pport; 428 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 429 430 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { 431 lpfc_printf_log(phba, 432 KERN_ERR, 433 LOG_INIT, 434 "0456 Adapter failed to issue " 435 "ASYNCEVT_ENABLE mbox status x%x \n.", 436 rc); 437 mempool_free(pmb, phba->mbox_mem_pool); 438 } 439 return (0); 440} 441 442/************************************************************************/ 443/* */ 444/* lpfc_hba_down_prep */ 445/* This routine will do LPFC uninitialization before the */ 446/* HBA is reset when bringing down the SLI Layer. This will be */ 447/* initialized as a SLI layer callback routine. */ 448/* This routine returns 0 on success. Any other return value */ 449/* indicates an error. */ 450/* */ 451/************************************************************************/ 452int 453lpfc_hba_down_prep(struct lpfc_hba *phba) 454{ 455 /* Disable interrupts */ 456 writel(0, phba->HCregaddr); 457 readl(phba->HCregaddr); /* flush */ 458 459 lpfc_cleanup_discovery_resources(phba->pport); 460 return 0; 461} 462 463/************************************************************************/ 464/* */ 465/* lpfc_hba_down_post */ 466/* This routine will do uninitialization after the HBA is reset */ 467/* when bringing down the SLI Layer. */ 468/* This routine returns 0 on success. Any other return value */ 469/* indicates an error. */ 470/* */ 471/************************************************************************/ 472int 473lpfc_hba_down_post(struct lpfc_hba *phba) 474{ 475 struct lpfc_sli *psli = &phba->sli; 476 struct lpfc_sli_ring *pring; 477 struct lpfc_dmabuf *mp, *next_mp; 478 int i; 479 480 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) 481 lpfc_sli_hbqbuf_free_all(phba); 482 else { 483 /* Cleanup preposted buffers on the ELS ring */ 484 pring = &psli->ring[LPFC_ELS_RING]; 485 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { 486 list_del(&mp->list); 487 pring->postbufq_cnt--; 488 lpfc_mbuf_free(phba, mp->virt, mp->phys); 489 kfree(mp); 490 } 491 } 492 493 for (i = 0; i < psli->num_rings; i++) { 494 pring = &psli->ring[i]; 495 lpfc_sli_abort_iocb_ring(phba, pring); 496 } 497 498 return 0; 499} 500 501/* HBA heart beat timeout handler */ 502void 503lpfc_hb_timeout(unsigned long ptr) 504{ 505 struct lpfc_hba *phba; 506 unsigned long iflag; 507 508 phba = (struct lpfc_hba *)ptr; 509 spin_lock_irqsave(&phba->pport->work_port_lock, iflag); 510 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) 511 phba->pport->work_port_events |= WORKER_HB_TMO; 512 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); 513 514 if (phba->work_wait) 515 wake_up(phba->work_wait); 516 return; 517} 518 519static void 520lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) 521{ 522 unsigned long drvr_flag; 523 524 spin_lock_irqsave(&phba->hbalock, drvr_flag); 525 phba->hb_outstanding = 0; 526 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 527 528 mempool_free(pmboxq, phba->mbox_mem_pool); 529 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && 530 !(phba->link_state == LPFC_HBA_ERROR) && 531 !(phba->pport->load_flag & FC_UNLOADING)) 532 mod_timer(&phba->hb_tmofunc, 533 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 534 return; 535} 536 537void 538lpfc_hb_timeout_handler(struct lpfc_hba *phba) 539{ 540 LPFC_MBOXQ_t *pmboxq; 541 int retval; 542 struct lpfc_sli *psli = &phba->sli; 543 544 if ((phba->link_state == LPFC_HBA_ERROR) || 545 (phba->pport->load_flag & FC_UNLOADING) || 546 (phba->pport->fc_flag & FC_OFFLINE_MODE)) 547 return; 548 549 spin_lock_irq(&phba->pport->work_port_lock); 550 /* If the timer is already canceled do nothing */ 551 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { 552 spin_unlock_irq(&phba->pport->work_port_lock); 553 return; 554 } 555 556 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, 557 jiffies)) { 558 spin_unlock_irq(&phba->pport->work_port_lock); 559 if (!phba->hb_outstanding) 560 mod_timer(&phba->hb_tmofunc, 561 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 562 else 563 mod_timer(&phba->hb_tmofunc, 564 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 565 return; 566 } 567 spin_unlock_irq(&phba->pport->work_port_lock); 568 569 /* If there is no heart beat outstanding, issue a heartbeat command */ 570 if (!phba->hb_outstanding) { 571 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); 572 if (!pmboxq) { 573 mod_timer(&phba->hb_tmofunc, 574 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 575 return; 576 } 577 578 lpfc_heart_beat(phba, pmboxq); 579 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; 580 pmboxq->vport = phba->pport; 581 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); 582 583 if (retval != MBX_BUSY && retval != MBX_SUCCESS) { 584 mempool_free(pmboxq, phba->mbox_mem_pool); 585 mod_timer(&phba->hb_tmofunc, 586 jiffies + HZ * LPFC_HB_MBOX_INTERVAL); 587 return; 588 } 589 mod_timer(&phba->hb_tmofunc, 590 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); 591 phba->hb_outstanding = 1; 592 return; 593 } else { 594 /* 595 * If heart beat timeout called with hb_outstanding set we 596 * need to take the HBA offline. 597 */ 598 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 599 "0459 Adapter heartbeat failure, taking " 600 "this port offline.\n"); 601 602 spin_lock_irq(&phba->hbalock); 603 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 604 spin_unlock_irq(&phba->hbalock); 605 606 lpfc_offline_prep(phba); 607 lpfc_offline(phba); 608 lpfc_unblock_mgmt_io(phba); 609 phba->link_state = LPFC_HBA_ERROR; 610 lpfc_hba_down_post(phba); 611 } 612} 613 614/************************************************************************/ 615/* */ 616/* lpfc_handle_eratt */ 617/* This routine will handle processing a Host Attention */ 618/* Error Status event. This will be initialized */ 619/* as a SLI layer callback routine. */ 620/* */ 621/************************************************************************/ 622void 623lpfc_handle_eratt(struct lpfc_hba *phba) 624{ 625 struct lpfc_vport *vport = phba->pport; 626 struct lpfc_sli *psli = &phba->sli; 627 struct lpfc_sli_ring *pring; 628 struct lpfc_vport **vports; 629 uint32_t event_data; 630 unsigned long temperature; 631 struct temp_event temp_event_data; 632 struct Scsi_Host *shost; 633 int i; 634 635 /* If the pci channel is offline, ignore possible errors, 636 * since we cannot communicate with the pci card anyway. */ 637 if (pci_channel_offline(phba->pcidev)) 638 return; 639 640 if (phba->work_hs & HS_FFER6 || 641 phba->work_hs & HS_FFER5) { 642 /* Re-establishing Link */ 643 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 644 "1301 Re-establishing Link " 645 "Data: x%x x%x x%x\n", 646 phba->work_hs, 647 phba->work_status[0], phba->work_status[1]); 648 vports = lpfc_create_vport_work_array(phba); 649 if (vports != NULL) 650 for(i = 0; 651 i < LPFC_MAX_VPORTS && vports[i] != NULL; 652 i++){ 653 shost = lpfc_shost_from_vport(vports[i]); 654 spin_lock_irq(shost->host_lock); 655 vports[i]->fc_flag |= FC_ESTABLISH_LINK; 656 spin_unlock_irq(shost->host_lock); 657 } 658 lpfc_destroy_vport_work_array(vports); 659 spin_lock_irq(&phba->hbalock); 660 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 661 spin_unlock_irq(&phba->hbalock); 662 663 /* 664 * Firmware stops when it triggled erratt with HS_FFER6. 665 * That could cause the I/Os dropped by the firmware. 666 * Error iocb (I/O) on txcmplq and let the SCSI layer 667 * retry it after re-establishing link. 668 */ 669 pring = &psli->ring[psli->fcp_ring]; 670 lpfc_sli_abort_iocb_ring(phba, pring); 671 672 673 /* 674 * There was a firmware error. Take the hba offline and then 675 * attempt to restart it. 676 */ 677 lpfc_offline_prep(phba); 678 lpfc_offline(phba); 679 lpfc_sli_brdrestart(phba); 680 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 681 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 682 lpfc_unblock_mgmt_io(phba); 683 return; 684 } 685 lpfc_unblock_mgmt_io(phba); 686 } else if (phba->work_hs & HS_CRIT_TEMP) { 687 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); 688 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; 689 temp_event_data.event_code = LPFC_CRIT_TEMP; 690 temp_event_data.data = (uint32_t)temperature; 691 692 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 693 "0459 Adapter maximum temperature exceeded " 694 "(%ld), taking this port offline " 695 "Data: x%x x%x x%x\n", 696 temperature, phba->work_hs, 697 phba->work_status[0], phba->work_status[1]); 698 699 shost = lpfc_shost_from_vport(phba->pport); 700 fc_host_post_vendor_event(shost, fc_get_event_number(), 701 sizeof(temp_event_data), 702 (char *) &temp_event_data, 703 SCSI_NL_VID_TYPE_PCI 704 | PCI_VENDOR_ID_EMULEX); 705 706 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 707 lpfc_offline_prep(phba); 708 lpfc_offline(phba); 709 lpfc_unblock_mgmt_io(phba); 710 phba->link_state = LPFC_HBA_ERROR; 711 lpfc_hba_down_post(phba); 712 713 } else { 714 /* The if clause above forces this code path when the status 715 * failure is a value other than FFER6. Do not call the offline 716 * twice. This is the adapter hardware error path. 717 */ 718 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 719 "0457 Adapter Hardware Error " 720 "Data: x%x x%x x%x\n", 721 phba->work_hs, 722 phba->work_status[0], phba->work_status[1]); 723 724 event_data = FC_REG_DUMP_EVENT; 725 shost = lpfc_shost_from_vport(vport); 726 fc_host_post_vendor_event(shost, fc_get_event_number(), 727 sizeof(event_data), (char *) &event_data, 728 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); 729 730 spin_lock_irq(&phba->hbalock); 731 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 732 spin_unlock_irq(&phba->hbalock); 733 lpfc_offline_prep(phba); 734 lpfc_offline(phba); 735 lpfc_unblock_mgmt_io(phba); 736 phba->link_state = LPFC_HBA_ERROR; 737 lpfc_hba_down_post(phba); 738 } 739} 740 741/************************************************************************/ 742/* */ 743/* lpfc_handle_latt */ 744/* This routine will handle processing a Host Attention */ 745/* Link Status event. This will be initialized */ 746/* as a SLI layer callback routine. */ 747/* */ 748/************************************************************************/ 749void 750lpfc_handle_latt(struct lpfc_hba *phba) 751{ 752 struct lpfc_vport *vport = phba->pport; 753 struct lpfc_sli *psli = &phba->sli; 754 LPFC_MBOXQ_t *pmb; 755 volatile uint32_t control; 756 struct lpfc_dmabuf *mp; 757 int rc = -ENOMEM; 758 759 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 760 if (!pmb) 761 goto lpfc_handle_latt_err_exit; 762 763 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 764 if (!mp) 765 goto lpfc_handle_latt_free_pmb; 766 767 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 768 if (!mp->virt) 769 goto lpfc_handle_latt_free_mp; 770 771 rc = -EIO; 772 773 /* Cleanup any outstanding ELS commands */ 774 lpfc_els_flush_all_cmd(phba); 775 776 psli->slistat.link_event++; 777 lpfc_read_la(phba, pmb, mp); 778 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 779 pmb->vport = vport; 780 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); 781 if (rc == MBX_NOT_FINISHED) 782 goto lpfc_handle_latt_free_mbuf; 783 784 /* Clear Link Attention in HA REG */ 785 spin_lock_irq(&phba->hbalock); 786 writel(HA_LATT, phba->HAregaddr); 787 readl(phba->HAregaddr); /* flush */ 788 spin_unlock_irq(&phba->hbalock); 789 790 return; 791 792lpfc_handle_latt_free_mbuf: 793 lpfc_mbuf_free(phba, mp->virt, mp->phys); 794lpfc_handle_latt_free_mp: 795 kfree(mp); 796lpfc_handle_latt_free_pmb: 797 mempool_free(pmb, phba->mbox_mem_pool); 798lpfc_handle_latt_err_exit: 799 /* Enable Link attention interrupts */ 800 spin_lock_irq(&phba->hbalock); 801 psli->sli_flag |= LPFC_PROCESS_LA; 802 control = readl(phba->HCregaddr); 803 control |= HC_LAINT_ENA; 804 writel(control, phba->HCregaddr); 805 readl(phba->HCregaddr); /* flush */ 806 807 /* Clear Link Attention in HA REG */ 808 writel(HA_LATT, phba->HAregaddr); 809 readl(phba->HAregaddr); /* flush */ 810 spin_unlock_irq(&phba->hbalock); 811 lpfc_linkdown(phba); 812 phba->link_state = LPFC_HBA_ERROR; 813 814 /* The other case is an error from issue_mbox */ 815 if (rc == -ENOMEM) 816 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 817 "0300 READ_LA: no buffers\n"); 818 819 return; 820} 821 822/************************************************************************/ 823/* */ 824/* lpfc_parse_vpd */ 825/* This routine will parse the VPD data */ 826/* */ 827/************************************************************************/ 828static int 829lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) 830{ 831 uint8_t lenlo, lenhi; 832 int Length; 833 int i, j; 834 int finished = 0; 835 int index = 0; 836 837 if (!vpd) 838 return 0; 839 840 /* Vital Product */ 841 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 842 "0455 Vital Product Data: x%x x%x x%x x%x\n", 843 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 844 (uint32_t) vpd[3]); 845 while (!finished && (index < (len - 4))) { 846 switch (vpd[index]) { 847 case 0x82: 848 case 0x91: 849 index += 1; 850 lenlo = vpd[index]; 851 index += 1; 852 lenhi = vpd[index]; 853 index += 1; 854 i = ((((unsigned short)lenhi) << 8) + lenlo); 855 index += i; 856 break; 857 case 0x90: 858 index += 1; 859 lenlo = vpd[index]; 860 index += 1; 861 lenhi = vpd[index]; 862 index += 1; 863 Length = ((((unsigned short)lenhi) << 8) + lenlo); 864 if (Length > len - index) 865 Length = len - index; 866 while (Length > 0) { 867 /* Look for Serial Number */ 868 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 869 index += 2; 870 i = vpd[index]; 871 index += 1; 872 j = 0; 873 Length -= (3+i); 874 while(i--) { 875 phba->SerialNumber[j++] = vpd[index++]; 876 if (j == 31) 877 break; 878 } 879 phba->SerialNumber[j] = 0; 880 continue; 881 } 882 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 883 phba->vpd_flag |= VPD_MODEL_DESC; 884 index += 2; 885 i = vpd[index]; 886 index += 1; 887 j = 0; 888 Length -= (3+i); 889 while(i--) { 890 phba->ModelDesc[j++] = vpd[index++]; 891 if (j == 255) 892 break; 893 } 894 phba->ModelDesc[j] = 0; 895 continue; 896 } 897 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 898 phba->vpd_flag |= VPD_MODEL_NAME; 899 index += 2; 900 i = vpd[index]; 901 index += 1; 902 j = 0; 903 Length -= (3+i); 904 while(i--) { 905 phba->ModelName[j++] = vpd[index++]; 906 if (j == 79) 907 break; 908 } 909 phba->ModelName[j] = 0; 910 continue; 911 } 912 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 913 phba->vpd_flag |= VPD_PROGRAM_TYPE; 914 index += 2; 915 i = vpd[index]; 916 index += 1; 917 j = 0; 918 Length -= (3+i); 919 while(i--) { 920 phba->ProgramType[j++] = vpd[index++]; 921 if (j == 255) 922 break; 923 } 924 phba->ProgramType[j] = 0; 925 continue; 926 } 927 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 928 phba->vpd_flag |= VPD_PORT; 929 index += 2; 930 i = vpd[index]; 931 index += 1; 932 j = 0; 933 Length -= (3+i); 934 while(i--) { 935 phba->Port[j++] = vpd[index++]; 936 if (j == 19) 937 break; 938 } 939 phba->Port[j] = 0; 940 continue; 941 } 942 else { 943 index += 2; 944 i = vpd[index]; 945 index += 1; 946 index += i; 947 Length -= (3 + i); 948 } 949 } 950 finished = 0; 951 break; 952 case 0x78: 953 finished = 1; 954 break; 955 default: 956 index ++; 957 break; 958 } 959 } 960 961 return(1); 962} 963 964static void 965lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) 966{ 967 lpfc_vpd_t *vp; 968 uint16_t dev_id = phba->pcidev->device; 969 int max_speed; 970 struct { 971 char * name; 972 int max_speed; 973 char * bus; 974 } m = {"<Unknown>", 0, ""}; 975 976 if (mdp && mdp[0] != '\0' 977 && descp && descp[0] != '\0') 978 return; 979 980 if (phba->lmt & LMT_10Gb) 981 max_speed = 10; 982 else if (phba->lmt & LMT_8Gb) 983 max_speed = 8; 984 else if (phba->lmt & LMT_4Gb) 985 max_speed = 4; 986 else if (phba->lmt & LMT_2Gb) 987 max_speed = 2; 988 else 989 max_speed = 1; 990 991 vp = &phba->vpd; 992 993 switch (dev_id) { 994 case PCI_DEVICE_ID_FIREFLY: 995 m = (typeof(m)){"LP6000", max_speed, "PCI"}; 996 break; 997 case PCI_DEVICE_ID_SUPERFLY: 998 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 999 m = (typeof(m)){"LP7000", max_speed, "PCI"}; 1000 else 1001 m = (typeof(m)){"LP7000E", max_speed, "PCI"}; 1002 break; 1003 case PCI_DEVICE_ID_DRAGONFLY: 1004 m = (typeof(m)){"LP8000", max_speed, "PCI"}; 1005 break; 1006 case PCI_DEVICE_ID_CENTAUR: 1007 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 1008 m = (typeof(m)){"LP9002", max_speed, "PCI"}; 1009 else 1010 m = (typeof(m)){"LP9000", max_speed, "PCI"}; 1011 break; 1012 case PCI_DEVICE_ID_RFLY: 1013 m = (typeof(m)){"LP952", max_speed, "PCI"}; 1014 break; 1015 case PCI_DEVICE_ID_PEGASUS: 1016 m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; 1017 break; 1018 case PCI_DEVICE_ID_THOR: 1019 m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; 1020 break; 1021 case PCI_DEVICE_ID_VIPER: 1022 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; 1023 break; 1024 case PCI_DEVICE_ID_PFLY: 1025 m = (typeof(m)){"LP982", max_speed, "PCI-X"}; 1026 break; 1027 case PCI_DEVICE_ID_TFLY: 1028 m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; 1029 break; 1030 case PCI_DEVICE_ID_HELIOS: 1031 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; 1032 break; 1033 case PCI_DEVICE_ID_HELIOS_SCSP: 1034 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; 1035 break; 1036 case PCI_DEVICE_ID_HELIOS_DCSP: 1037 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; 1038 break; 1039 case PCI_DEVICE_ID_NEPTUNE: 1040 m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; 1041 break; 1042 case PCI_DEVICE_ID_NEPTUNE_SCSP: 1043 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; 1044 break; 1045 case PCI_DEVICE_ID_NEPTUNE_DCSP: 1046 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; 1047 break; 1048 case PCI_DEVICE_ID_BMID: 1049 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; 1050 break; 1051 case PCI_DEVICE_ID_BSMB: 1052 m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; 1053 break; 1054 case PCI_DEVICE_ID_ZEPHYR: 1055 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1056 break; 1057 case PCI_DEVICE_ID_ZEPHYR_SCSP: 1058 m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; 1059 break; 1060 case PCI_DEVICE_ID_ZEPHYR_DCSP: 1061 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; 1062 break; 1063 case PCI_DEVICE_ID_ZMID: 1064 m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; 1065 break; 1066 case PCI_DEVICE_ID_ZSMB: 1067 m = (typeof(m)){"LPe111", max_speed, "PCIe"}; 1068 break; 1069 case PCI_DEVICE_ID_LP101: 1070 m = (typeof(m)){"LP101", max_speed, "PCI-X"}; 1071 break; 1072 case PCI_DEVICE_ID_LP10000S: 1073 m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; 1074 break; 1075 case PCI_DEVICE_ID_LP11000S: 1076 m = (typeof(m)){"LP11000-S", max_speed, 1077 "PCI-X2"}; 1078 break; 1079 case PCI_DEVICE_ID_LPE11000S: 1080 m = (typeof(m)){"LPe11000-S", max_speed, 1081 "PCIe"}; 1082 break; 1083 case PCI_DEVICE_ID_SAT: 1084 m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; 1085 break; 1086 case PCI_DEVICE_ID_SAT_MID: 1087 m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; 1088 break; 1089 case PCI_DEVICE_ID_SAT_SMB: 1090 m = (typeof(m)){"LPe121", max_speed, "PCIe"}; 1091 break; 1092 case PCI_DEVICE_ID_SAT_DCSP: 1093 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; 1094 break; 1095 case PCI_DEVICE_ID_SAT_SCSP: 1096 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; 1097 break; 1098 case PCI_DEVICE_ID_SAT_S: 1099 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; 1100 break; 1101 default: 1102 m = (typeof(m)){ NULL }; 1103 break; 1104 } 1105 1106 if (mdp && mdp[0] == '\0') 1107 snprintf(mdp, 79,"%s", m.name); 1108 if (descp && descp[0] == '\0') 1109 snprintf(descp, 255, 1110 "Emulex %s %dGb %s Fibre Channel Adapter", 1111 m.name, m.max_speed, m.bus); 1112} 1113 1114/**************************************************/ 1115/* lpfc_post_buffer */ 1116/* */ 1117/* This routine will post count buffers to the */ 1118/* ring with the QUE_RING_BUF_CN command. This */ 1119/* allows 3 buffers / command to be posted. */ 1120/* Returns the number of buffers NOT posted. */ 1121/**************************************************/ 1122int 1123lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, 1124 int type) 1125{ 1126 IOCB_t *icmd; 1127 struct lpfc_iocbq *iocb; 1128 struct lpfc_dmabuf *mp1, *mp2; 1129 1130 cnt += pring->missbufcnt; 1131 1132 /* While there are buffers to post */ 1133 while (cnt > 0) { 1134 /* Allocate buffer for command iocb */ 1135 iocb = lpfc_sli_get_iocbq(phba); 1136 if (iocb == NULL) { 1137 pring->missbufcnt = cnt; 1138 return cnt; 1139 } 1140 icmd = &iocb->iocb; 1141 1142 /* 2 buffers can be posted per command */ 1143 /* Allocate buffer to post */ 1144 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1145 if (mp1) 1146 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); 1147 if (!mp1 || !mp1->virt) { 1148 kfree(mp1); 1149 lpfc_sli_release_iocbq(phba, iocb); 1150 pring->missbufcnt = cnt; 1151 return cnt; 1152 } 1153 1154 INIT_LIST_HEAD(&mp1->list); 1155 /* Allocate buffer to post */ 1156 if (cnt > 1) { 1157 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1158 if (mp2) 1159 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 1160 &mp2->phys); 1161 if (!mp2 || !mp2->virt) { 1162 kfree(mp2); 1163 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1164 kfree(mp1); 1165 lpfc_sli_release_iocbq(phba, iocb); 1166 pring->missbufcnt = cnt; 1167 return cnt; 1168 } 1169 1170 INIT_LIST_HEAD(&mp2->list); 1171 } else { 1172 mp2 = NULL; 1173 } 1174 1175 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 1176 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 1177 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 1178 icmd->ulpBdeCount = 1; 1179 cnt--; 1180 if (mp2) { 1181 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 1182 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 1183 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 1184 cnt--; 1185 icmd->ulpBdeCount = 2; 1186 } 1187 1188 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 1189 icmd->ulpLe = 1; 1190 1191 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 1192 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 1193 kfree(mp1); 1194 cnt++; 1195 if (mp2) { 1196 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 1197 kfree(mp2); 1198 cnt++; 1199 } 1200 lpfc_sli_release_iocbq(phba, iocb); 1201 pring->missbufcnt = cnt; 1202 return cnt; 1203 } 1204 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 1205 if (mp2) 1206 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 1207 } 1208 pring->missbufcnt = 0; 1209 return 0; 1210} 1211 1212/************************************************************************/ 1213/* */ 1214/* lpfc_post_rcv_buf */ 1215/* This routine post initial rcv buffers to the configured rings */ 1216/* */ 1217/************************************************************************/ 1218static int 1219lpfc_post_rcv_buf(struct lpfc_hba *phba) 1220{ 1221 struct lpfc_sli *psli = &phba->sli; 1222 1223 /* Ring 0, ELS / CT buffers */ 1224 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 1225 /* Ring 2 - FCP no buffers needed */ 1226 1227 return 0; 1228} 1229 1230#define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 1231 1232/************************************************************************/ 1233/* */ 1234/* lpfc_sha_init */ 1235/* */ 1236/************************************************************************/ 1237static void 1238lpfc_sha_init(uint32_t * HashResultPointer) 1239{ 1240 HashResultPointer[0] = 0x67452301; 1241 HashResultPointer[1] = 0xEFCDAB89; 1242 HashResultPointer[2] = 0x98BADCFE; 1243 HashResultPointer[3] = 0x10325476; 1244 HashResultPointer[4] = 0xC3D2E1F0; 1245} 1246 1247/************************************************************************/ 1248/* */ 1249/* lpfc_sha_iterate */ 1250/* */ 1251/************************************************************************/ 1252static void 1253lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1254{ 1255 int t; 1256 uint32_t TEMP; 1257 uint32_t A, B, C, D, E; 1258 t = 16; 1259 do { 1260 HashWorkingPointer[t] = 1261 S(1, 1262 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1263 8] ^ 1264 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1265 } while (++t <= 79); 1266 t = 0; 1267 A = HashResultPointer[0]; 1268 B = HashResultPointer[1]; 1269 C = HashResultPointer[2]; 1270 D = HashResultPointer[3]; 1271 E = HashResultPointer[4]; 1272 1273 do { 1274 if (t < 20) { 1275 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1276 } else if (t < 40) { 1277 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1278 } else if (t < 60) { 1279 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1280 } else { 1281 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1282 } 1283 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1284 E = D; 1285 D = C; 1286 C = S(30, B); 1287 B = A; 1288 A = TEMP; 1289 } while (++t <= 79); 1290 1291 HashResultPointer[0] += A; 1292 HashResultPointer[1] += B; 1293 HashResultPointer[2] += C; 1294 HashResultPointer[3] += D; 1295 HashResultPointer[4] += E; 1296 1297} 1298 1299/************************************************************************/ 1300/* */ 1301/* lpfc_challenge_key */ 1302/* */ 1303/************************************************************************/ 1304static void 1305lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1306{ 1307 *HashWorking = (*RandomChallenge ^ *HashWorking); 1308} 1309 1310/************************************************************************/ 1311/* */ 1312/* lpfc_hba_init */ 1313/* */ 1314/************************************************************************/ 1315void 1316lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1317{ 1318 int t; 1319 uint32_t *HashWorking; 1320 uint32_t *pwwnn = (uint32_t *) phba->wwnn; 1321 1322 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); 1323 if (!HashWorking) 1324 return; 1325 1326 HashWorking[0] = HashWorking[78] = *pwwnn++; 1327 HashWorking[1] = HashWorking[79] = *pwwnn; 1328 1329 for (t = 0; t < 7; t++) 1330 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1331 1332 lpfc_sha_init(hbainit); 1333 lpfc_sha_iterate(hbainit, HashWorking); 1334 kfree(HashWorking); 1335} 1336 1337void 1338lpfc_cleanup(struct lpfc_vport *vport) 1339{ 1340 struct lpfc_hba *phba = vport->phba; 1341 struct lpfc_nodelist *ndlp, *next_ndlp; 1342 1343 if (phba->link_state > LPFC_LINK_DOWN) 1344 lpfc_port_link_failure(vport); 1345 1346 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 1347 if (ndlp->nlp_type & NLP_FABRIC) 1348 lpfc_disc_state_machine(vport, ndlp, NULL, 1349 NLP_EVT_DEVICE_RECOVERY); 1350 lpfc_disc_state_machine(vport, ndlp, NULL, 1351 NLP_EVT_DEVICE_RM); 1352 } 1353 1354 /* At this point, ALL ndlp's should be gone */ 1355 while (!list_empty(&vport->fc_nodes)) { 1356 1357 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, 1358 nlp_listp) { 1359 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 1360 "0233 Nodelist x%x not free: %d\n", 1361 ndlp->nlp_DID, 1362 atomic_read(&ndlp->kref.refcount)); 1363 lpfc_drop_node(vport, ndlp); 1364 } 1365 } 1366 return; 1367} 1368 1369static void 1370lpfc_establish_link_tmo(unsigned long ptr) 1371{ 1372 struct lpfc_hba *phba = (struct lpfc_hba *) ptr; 1373 struct lpfc_vport **vports; 1374 unsigned long iflag; 1375 int i; 1376 1377 /* Re-establishing Link, timer expired */ 1378 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1379 "1300 Re-establishing Link, timer expired " 1380 "Data: x%x x%x\n", 1381 phba->pport->fc_flag, phba->pport->port_state); 1382 vports = lpfc_create_vport_work_array(phba); 1383 if (vports != NULL) 1384 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1385 struct Scsi_Host *shost; 1386 shost = lpfc_shost_from_vport(vports[i]); 1387 spin_lock_irqsave(shost->host_lock, iflag); 1388 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; 1389 spin_unlock_irqrestore(shost->host_lock, iflag); 1390 } 1391 lpfc_destroy_vport_work_array(vports); 1392} 1393 1394void 1395lpfc_stop_vport_timers(struct lpfc_vport *vport) 1396{ 1397 del_timer_sync(&vport->els_tmofunc); 1398 del_timer_sync(&vport->fc_fdmitmo); 1399 lpfc_can_disctmo(vport); 1400 return; 1401} 1402 1403static void 1404lpfc_stop_phba_timers(struct lpfc_hba *phba) 1405{ 1406 del_timer_sync(&phba->fcp_poll_timer); 1407 del_timer_sync(&phba->fc_estabtmo); 1408 lpfc_stop_vport_timers(phba->pport); 1409 del_timer_sync(&phba->sli.mbox_tmo); 1410 del_timer_sync(&phba->fabric_block_timer); 1411 phba->hb_outstanding = 0; 1412 del_timer_sync(&phba->hb_tmofunc); 1413 return; 1414} 1415 1416int 1417lpfc_online(struct lpfc_hba *phba) 1418{ 1419 struct lpfc_vport *vport = phba->pport; 1420 struct lpfc_vport **vports; 1421 int i; 1422 1423 if (!phba) 1424 return 0; 1425 1426 if (!(vport->fc_flag & FC_OFFLINE_MODE)) 1427 return 0; 1428 1429 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1430 "0458 Bring Adapter online\n"); 1431 1432 lpfc_block_mgmt_io(phba); 1433 1434 if (!lpfc_sli_queue_setup(phba)) { 1435 lpfc_unblock_mgmt_io(phba); 1436 return 1; 1437 } 1438 1439 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ 1440 lpfc_unblock_mgmt_io(phba); 1441 return 1; 1442 } 1443 1444 vports = lpfc_create_vport_work_array(phba); 1445 if (vports != NULL) 1446 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1447 struct Scsi_Host *shost; 1448 shost = lpfc_shost_from_vport(vports[i]); 1449 spin_lock_irq(shost->host_lock); 1450 vports[i]->fc_flag &= ~FC_OFFLINE_MODE; 1451 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 1452 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1453 spin_unlock_irq(shost->host_lock); 1454 } 1455 lpfc_destroy_vport_work_array(vports); 1456 1457 lpfc_unblock_mgmt_io(phba); 1458 return 0; 1459} 1460 1461void 1462lpfc_block_mgmt_io(struct lpfc_hba * phba) 1463{ 1464 unsigned long iflag; 1465 1466 spin_lock_irqsave(&phba->hbalock, iflag); 1467 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; 1468 spin_unlock_irqrestore(&phba->hbalock, iflag); 1469} 1470 1471void 1472lpfc_unblock_mgmt_io(struct lpfc_hba * phba) 1473{ 1474 unsigned long iflag; 1475 1476 spin_lock_irqsave(&phba->hbalock, iflag); 1477 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; 1478 spin_unlock_irqrestore(&phba->hbalock, iflag); 1479} 1480 1481void 1482lpfc_offline_prep(struct lpfc_hba * phba) 1483{ 1484 struct lpfc_vport *vport = phba->pport; 1485 struct lpfc_nodelist *ndlp, *next_ndlp; 1486 struct lpfc_vport **vports; 1487 int i; 1488 1489 if (vport->fc_flag & FC_OFFLINE_MODE) 1490 return; 1491 1492 lpfc_block_mgmt_io(phba); 1493 1494 lpfc_linkdown(phba); 1495 1496 /* Issue an unreg_login to all nodes on all vports */ 1497 vports = lpfc_create_vport_work_array(phba); 1498 if (vports != NULL) { 1499 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1500 struct Scsi_Host *shost; 1501 1502 shost = lpfc_shost_from_vport(vports[i]); 1503 list_for_each_entry_safe(ndlp, next_ndlp, 1504 &vports[i]->fc_nodes, 1505 nlp_listp) { 1506 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 1507 continue; 1508 if (ndlp->nlp_type & NLP_FABRIC) { 1509 lpfc_disc_state_machine(vports[i], ndlp, 1510 NULL, NLP_EVT_DEVICE_RECOVERY); 1511 lpfc_disc_state_machine(vports[i], ndlp, 1512 NULL, NLP_EVT_DEVICE_RM); 1513 } 1514 spin_lock_irq(shost->host_lock); 1515 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 1516 spin_unlock_irq(shost->host_lock); 1517 lpfc_unreg_rpi(vports[i], ndlp); 1518 } 1519 } 1520 } 1521 lpfc_destroy_vport_work_array(vports); 1522 1523 lpfc_sli_flush_mbox_queue(phba); 1524} 1525 1526void 1527lpfc_offline(struct lpfc_hba *phba) 1528{ 1529 struct Scsi_Host *shost; 1530 struct lpfc_vport **vports; 1531 int i; 1532 1533 if (phba->pport->fc_flag & FC_OFFLINE_MODE) 1534 return; 1535 1536 /* stop all timers associated with this hba */ 1537 lpfc_stop_phba_timers(phba); 1538 vports = lpfc_create_vport_work_array(phba); 1539 if (vports != NULL) 1540 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) 1541 lpfc_stop_vport_timers(vports[i]); 1542 lpfc_destroy_vport_work_array(vports); 1543 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, 1544 "0460 Bring Adapter offline\n"); 1545 /* Bring down the SLI Layer and cleanup. The HBA is offline 1546 now. */ 1547 lpfc_sli_hba_down(phba); 1548 spin_lock_irq(&phba->hbalock); 1549 phba->work_ha = 0; 1550 spin_unlock_irq(&phba->hbalock); 1551 vports = lpfc_create_vport_work_array(phba); 1552 if (vports != NULL) 1553 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { 1554 shost = lpfc_shost_from_vport(vports[i]); 1555 spin_lock_irq(shost->host_lock); 1556 vports[i]->work_port_events = 0; 1557 vports[i]->fc_flag |= FC_OFFLINE_MODE; 1558 spin_unlock_irq(shost->host_lock); 1559 } 1560 lpfc_destroy_vport_work_array(vports); 1561} 1562 1563/****************************************************************************** 1564* Function name: lpfc_scsi_free 1565* 1566* Description: Called from lpfc_pci_remove_one free internal driver resources 1567* 1568******************************************************************************/ 1569static int 1570lpfc_scsi_free(struct lpfc_hba *phba) 1571{ 1572 struct lpfc_scsi_buf *sb, *sb_next; 1573 struct lpfc_iocbq *io, *io_next; 1574 1575 spin_lock_irq(&phba->hbalock); 1576 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1577 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1578 list_del(&sb->list); 1579 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1580 sb->dma_handle); 1581 kfree(sb); 1582 phba->total_scsi_bufs--; 1583 } 1584 1585 /* Release all the lpfc_iocbq entries maintained by this host. */ 1586 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1587 list_del(&io->list); 1588 kfree(io); 1589 phba->total_iocbq_bufs--; 1590 } 1591 1592 spin_unlock_irq(&phba->hbalock); 1593 1594 return 0; 1595} 1596 1597struct lpfc_vport * 1598lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) 1599{ 1600 struct lpfc_vport *vport; 1601 struct Scsi_Host *shost; 1602 int error = 0; 1603 1604 if (dev != &phba->pcidev->dev) 1605 shost = scsi_host_alloc(&lpfc_vport_template, 1606 sizeof(struct lpfc_vport)); 1607 else 1608 shost = scsi_host_alloc(&lpfc_template, 1609 sizeof(struct lpfc_vport)); 1610 if (!shost) 1611 goto out; 1612 1613 vport = (struct lpfc_vport *) shost->hostdata; 1614 vport->phba = phba; 1615 1616 vport->load_flag |= FC_LOADING; 1617 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1618 1619 lpfc_get_vport_cfgparam(vport); 1620 shost->unique_id = instance; 1621 shost->max_id = LPFC_MAX_TARGET; 1622 shost->max_lun = vport->cfg_max_luns; 1623 shost->this_id = -1; 1624 shost->max_cmd_len = 16; 1625 /* 1626 * Set initial can_queue value since 0 is no longer supported and 1627 * scsi_add_host will fail. This will be adjusted later based on the 1628 * max xri value determined in hba setup. 1629 */ 1630 shost->can_queue = phba->cfg_hba_queue_depth - 10; 1631 if (dev != &phba->pcidev->dev) { 1632 shost->transportt = lpfc_vport_transport_template; 1633 vport->port_type = LPFC_NPIV_PORT; 1634 } else { 1635 shost->transportt = lpfc_transport_template; 1636 vport->port_type = LPFC_PHYSICAL_PORT; 1637 } 1638 1639 /* Initialize all internally managed lists. */ 1640 INIT_LIST_HEAD(&vport->fc_nodes); 1641 spin_lock_init(&vport->work_port_lock); 1642 1643 init_timer(&vport->fc_disctmo); 1644 vport->fc_disctmo.function = lpfc_disc_timeout; 1645 vport->fc_disctmo.data = (unsigned long)vport; 1646 1647 init_timer(&vport->fc_fdmitmo); 1648 vport->fc_fdmitmo.function = lpfc_fdmi_tmo; 1649 vport->fc_fdmitmo.data = (unsigned long)vport; 1650 1651 init_timer(&vport->els_tmofunc); 1652 vport->els_tmofunc.function = lpfc_els_timeout; 1653 vport->els_tmofunc.data = (unsigned long)vport; 1654 1655 error = scsi_add_host(shost, dev); 1656 if (error) 1657 goto out_put_shost; 1658 1659 spin_lock_irq(&phba->hbalock); 1660 list_add_tail(&vport->listentry, &phba->port_list); 1661 spin_unlock_irq(&phba->hbalock); 1662 return vport; 1663 1664out_put_shost: 1665 scsi_host_put(shost); 1666out: 1667 return NULL; 1668} 1669 1670void 1671destroy_port(struct lpfc_vport *vport) 1672{ 1673 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1674 struct lpfc_hba *phba = vport->phba; 1675 1676 kfree(vport->vname); 1677 1678 lpfc_debugfs_terminate(vport); 1679 fc_remove_host(shost); 1680 scsi_remove_host(shost); 1681 1682 spin_lock_irq(&phba->hbalock); 1683 list_del_init(&vport->listentry); 1684 spin_unlock_irq(&phba->hbalock); 1685 1686 lpfc_cleanup(vport); 1687 return; 1688} 1689 1690int 1691lpfc_get_instance(void) 1692{ 1693 int instance = 0; 1694 1695 /* Assign an unused number */ 1696 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1697 return -1; 1698 if (idr_get_new(&lpfc_hba_index, NULL, &instance)) 1699 return -1; 1700 return instance; 1701} 1702 1703/* 1704 * Note: there is no scan_start function as adapter initialization 1705 * will have asynchronously kicked off the link initialization. 1706 */ 1707 1708int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) 1709{ 1710 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1711 struct lpfc_hba *phba = vport->phba; 1712 int stat = 0; 1713 1714 spin_lock_irq(shost->host_lock); 1715 1716 if (vport->load_flag & FC_UNLOADING) { 1717 stat = 1; 1718 goto finished; 1719 } 1720 if (time >= 30 * HZ) { 1721 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1722 "0461 Scanning longer than 30 " 1723 "seconds. Continuing initialization\n"); 1724 stat = 1; 1725 goto finished; 1726 } 1727 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { 1728 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1729 "0465 Link down longer than 15 " 1730 "seconds. Continuing initialization\n"); 1731 stat = 1; 1732 goto finished; 1733 } 1734 1735 if (vport->port_state != LPFC_VPORT_READY) 1736 goto finished; 1737 if (vport->num_disc_nodes || vport->fc_prli_sent) 1738 goto finished; 1739 if (vport->fc_map_cnt == 0 && time < 2 * HZ) 1740 goto finished; 1741 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) 1742 goto finished; 1743 1744 stat = 1; 1745 1746finished: 1747 spin_unlock_irq(shost->host_lock); 1748 return stat; 1749} 1750 1751void lpfc_host_attrib_init(struct Scsi_Host *shost) 1752{ 1753 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 1754 struct lpfc_hba *phba = vport->phba; 1755 /* 1756 * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). 1757 */ 1758 1759 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); 1760 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); 1761 fc_host_supported_classes(shost) = FC_COS_CLASS3; 1762 1763 memset(fc_host_supported_fc4s(shost), 0, 1764 sizeof(fc_host_supported_fc4s(shost))); 1765 fc_host_supported_fc4s(shost)[2] = 1; 1766 fc_host_supported_fc4s(shost)[7] = 1; 1767 1768 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), 1769 sizeof fc_host_symbolic_name(shost)); 1770 1771 fc_host_supported_speeds(shost) = 0; 1772 if (phba->lmt & LMT_10Gb) 1773 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; 1774 if (phba->lmt & LMT_4Gb) 1775 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; 1776 if (phba->lmt & LMT_2Gb) 1777 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; 1778 if (phba->lmt & LMT_1Gb) 1779 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; 1780 1781 fc_host_maxframe_size(shost) = 1782 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 1783 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; 1784 1785 /* This value is also unchanging */ 1786 memset(fc_host_active_fc4s(shost), 0, 1787 sizeof(fc_host_active_fc4s(shost))); 1788 fc_host_active_fc4s(shost)[2] = 1; 1789 fc_host_active_fc4s(shost)[7] = 1; 1790 1791 fc_host_max_npiv_vports(shost) = phba->max_vpi; 1792 spin_lock_irq(shost->host_lock); 1793 vport->load_flag &= ~FC_LOADING; 1794 spin_unlock_irq(shost->host_lock); 1795} 1796 1797static int __devinit 1798lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1799{ 1800 struct lpfc_vport *vport = NULL; 1801 struct lpfc_hba *phba; 1802 struct lpfc_sli *psli; 1803 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1804 struct Scsi_Host *shost = NULL; 1805 void *ptr; 1806 unsigned long bar0map_len, bar2map_len; 1807 int error = -ENODEV, retval; 1808 int i, hbq_count; 1809 uint16_t iotag; 1810 1811 if (pci_enable_device(pdev)) 1812 goto out; 1813 if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) 1814 goto out_disable_device; 1815 1816 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); 1817 if (!phba) 1818 goto out_release_regions; 1819 1820 spin_lock_init(&phba->hbalock); 1821 1822 phba->pcidev = pdev; 1823 1824 /* Assign an unused board number */ 1825 if ((phba->brd_no = lpfc_get_instance()) < 0) 1826 goto out_free_phba; 1827 1828 INIT_LIST_HEAD(&phba->port_list); 1829 /* 1830 * Get all the module params for configuring this host and then 1831 * establish the host. 1832 */ 1833 lpfc_get_cfgparam(phba); 1834 phba->max_vpi = LPFC_MAX_VPI; 1835 1836 /* Initialize timers used by driver */ 1837 init_timer(&phba->fc_estabtmo); 1838 phba->fc_estabtmo.function = lpfc_establish_link_tmo; 1839 phba->fc_estabtmo.data = (unsigned long)phba; 1840 1841 init_timer(&phba->hb_tmofunc); 1842 phba->hb_tmofunc.function = lpfc_hb_timeout; 1843 phba->hb_tmofunc.data = (unsigned long)phba; 1844 1845 psli = &phba->sli; 1846 init_timer(&psli->mbox_tmo); 1847 psli->mbox_tmo.function = lpfc_mbox_timeout; 1848 psli->mbox_tmo.data = (unsigned long) phba; 1849 init_timer(&phba->fcp_poll_timer); 1850 phba->fcp_poll_timer.function = lpfc_poll_timeout; 1851 phba->fcp_poll_timer.data = (unsigned long) phba; 1852 init_timer(&phba->fabric_block_timer); 1853 phba->fabric_block_timer.function = lpfc_fabric_block_timeout; 1854 phba->fabric_block_timer.data = (unsigned long) phba; 1855 1856 pci_set_master(pdev); 1857 pci_try_set_mwi(pdev); 1858 1859 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 1860 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 1861 goto out_idr_remove; 1862 1863 /* 1864 * Get the bus address of Bar0 and Bar2 and the number of bytes 1865 * required by each mapping. 1866 */ 1867 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 1868 bar0map_len = pci_resource_len(phba->pcidev, 0); 1869 1870 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 1871 bar2map_len = pci_resource_len(phba->pcidev, 2); 1872 1873 /* Map HBA SLIM to a kernel virtual address. */ 1874 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 1875 if (!phba->slim_memmap_p) { 1876 error = -ENODEV; 1877 dev_printk(KERN_ERR, &pdev->dev, 1878 "ioremap failed for SLIM memory.\n"); 1879 goto out_idr_remove; 1880 } 1881 1882 /* Map HBA Control Registers to a kernel virtual address. */ 1883 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 1884 if (!phba->ctrl_regs_memmap_p) { 1885 error = -ENODEV; 1886 dev_printk(KERN_ERR, &pdev->dev, 1887 "ioremap failed for HBA control registers.\n"); 1888 goto out_iounmap_slim; 1889 } 1890 1891 /* Allocate memory for SLI-2 structures */ 1892 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 1893 &phba->slim2p_mapping, GFP_KERNEL); 1894 if (!phba->slim2p) 1895 goto out_iounmap; 1896 1897 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 1898 1899 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, 1900 lpfc_sli_hbq_size(), 1901 &phba->hbqslimp.phys, 1902 GFP_KERNEL); 1903 if (!phba->hbqslimp.virt) 1904 goto out_free_slim; 1905 1906 hbq_count = lpfc_sli_hbq_count(); 1907 ptr = phba->hbqslimp.virt; 1908 for (i = 0; i < hbq_count; ++i) { 1909 phba->hbqs[i].hbq_virt = ptr; 1910 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); 1911 ptr += (lpfc_hbq_defs[i]->entry_count * 1912 sizeof(struct lpfc_hbq_entry)); 1913 } 1914 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; 1915 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; 1916 1917 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 1918 1919 /* Initialize the SLI Layer to run with lpfc HBAs. */ 1920 lpfc_sli_setup(phba); 1921 lpfc_sli_queue_setup(phba); 1922 1923 retval = lpfc_mem_alloc(phba); 1924 if (retval) { 1925 error = retval; 1926 goto out_free_hbqslimp; 1927 } 1928 1929 /* Initialize and populate the iocb list per host. */ 1930 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 1931 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 1932 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 1933 if (iocbq_entry == NULL) { 1934 printk(KERN_ERR "%s: only allocated %d iocbs of " 1935 "expected %d count. Unloading driver.\n", 1936 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 1937 error = -ENOMEM; 1938 goto out_free_iocbq; 1939 } 1940 1941 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 1942 if (iotag == 0) { 1943 kfree (iocbq_entry); 1944 printk(KERN_ERR "%s: failed to allocate IOTAG. " 1945 "Unloading driver.\n", 1946 __FUNCTION__); 1947 error = -ENOMEM; 1948 goto out_free_iocbq; 1949 } 1950 1951 spin_lock_irq(&phba->hbalock); 1952 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 1953 phba->total_iocbq_bufs++; 1954 spin_unlock_irq(&phba->hbalock); 1955 } 1956 1957 /* Initialize HBA structure */ 1958 phba->fc_edtov = FF_DEF_EDTOV; 1959 phba->fc_ratov = FF_DEF_RATOV; 1960 phba->fc_altov = FF_DEF_ALTOV; 1961 phba->fc_arbtov = FF_DEF_ARBTOV; 1962 1963 INIT_LIST_HEAD(&phba->work_list); 1964 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); 1965 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 1966 1967 /* Startup the kernel thread for this host adapter. */ 1968 phba->worker_thread = kthread_run(lpfc_do_work, phba, 1969 "lpfc_worker_%d", phba->brd_no); 1970 if (IS_ERR(phba->worker_thread)) { 1971 error = PTR_ERR(phba->worker_thread); 1972 goto out_free_iocbq; 1973 } 1974 1975 /* Initialize the list of scsi buffers used by driver for scsi IO. */ 1976 spin_lock_init(&phba->scsi_buf_list_lock); 1977 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); 1978 1979 /* Initialize list of fabric iocbs */ 1980 INIT_LIST_HEAD(&phba->fabric_iocb_list); 1981 1982 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); 1983 if (!vport) 1984 goto out_kthread_stop; 1985 1986 shost = lpfc_shost_from_vport(vport); 1987 phba->pport = vport; 1988 lpfc_debugfs_initialize(vport); 1989 1990 pci_set_drvdata(pdev, shost); 1991 1992 if (phba->cfg_use_msi) { 1993 retval = pci_enable_msi(phba->pcidev); 1994 if (!retval) 1995 phba->using_msi = 1; 1996 else 1997 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 1998 "0452 Enable MSI failed, continuing " 1999 "with IRQ\n"); 2000 } 2001 2002 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, 2003 LPFC_DRIVER_NAME, phba); 2004 if (retval) { 2005 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2006 "0451 Enable interrupt handler failed\n"); 2007 error = retval; 2008 goto out_disable_msi; 2009 } 2010 2011 phba->MBslimaddr = phba->slim_memmap_p; 2012 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 2013 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 2014 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 2015 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 2016 2017 if (lpfc_alloc_sysfs_attr(vport)) { 2018 error = -ENOMEM; 2019 goto out_free_irq; 2020 } 2021 2022 if (lpfc_sli_hba_setup(phba)) { 2023 error = -ENODEV; 2024 goto out_remove_device; 2025 } 2026 2027 /* 2028 * hba setup may have changed the hba_queue_depth so we need to adjust 2029 * the value of can_queue. 2030 */ 2031 shost->can_queue = phba->cfg_hba_queue_depth - 10; 2032 2033 lpfc_host_attrib_init(shost); 2034 2035 if (phba->cfg_poll & DISABLE_FCP_RING_INT) { 2036 spin_lock_irq(shost->host_lock); 2037 lpfc_poll_start_timer(phba); 2038 spin_unlock_irq(shost->host_lock); 2039 } 2040 2041 scsi_scan_host(shost); 2042 2043 return 0; 2044 2045out_remove_device: 2046 lpfc_free_sysfs_attr(vport); 2047 spin_lock_irq(shost->host_lock); 2048 vport->load_flag |= FC_UNLOADING; 2049 spin_unlock_irq(shost->host_lock); 2050out_free_irq: 2051 lpfc_stop_phba_timers(phba); 2052 phba->pport->work_port_events = 0; 2053 free_irq(phba->pcidev->irq, phba); 2054out_disable_msi: 2055 if (phba->using_msi) 2056 pci_disable_msi(phba->pcidev); 2057 destroy_port(vport); 2058out_kthread_stop: 2059 kthread_stop(phba->worker_thread); 2060out_free_iocbq: 2061 list_for_each_entry_safe(iocbq_entry, iocbq_next, 2062 &phba->lpfc_iocb_list, list) { 2063 kfree(iocbq_entry); 2064 phba->total_iocbq_bufs--; 2065 } 2066 lpfc_mem_free(phba); 2067out_free_hbqslimp: 2068 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2069 phba->hbqslimp.phys); 2070out_free_slim: 2071 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, 2072 phba->slim2p_mapping); 2073out_iounmap: 2074 iounmap(phba->ctrl_regs_memmap_p); 2075out_iounmap_slim: 2076 iounmap(phba->slim_memmap_p); 2077out_idr_remove: 2078 idr_remove(&lpfc_hba_index, phba->brd_no); 2079out_free_phba: 2080 kfree(phba); 2081out_release_regions: 2082 pci_release_regions(pdev); 2083out_disable_device: 2084 pci_disable_device(pdev); 2085out: 2086 pci_set_drvdata(pdev, NULL); 2087 if (shost) 2088 scsi_host_put(shost); 2089 return error; 2090} 2091 2092static void __devexit 2093lpfc_pci_remove_one(struct pci_dev *pdev) 2094{ 2095 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2096 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; 2097 struct lpfc_hba *phba = vport->phba; 2098 spin_lock_irq(&phba->hbalock); 2099 vport->load_flag |= FC_UNLOADING; 2100 spin_unlock_irq(&phba->hbalock); 2101 2102 kfree(vport->vname); 2103 lpfc_free_sysfs_attr(vport); 2104 2105 fc_remove_host(shost); 2106 scsi_remove_host(shost); 2107 lpfc_cleanup(vport); 2108 2109 /* 2110 * Bring down the SLI Layer. This step disable all interrupts, 2111 * clears the rings, discards all mailbox commands, and resets 2112 * the HBA. 2113 */ 2114 lpfc_sli_hba_down(phba); 2115 lpfc_sli_brdrestart(phba); 2116 2117 lpfc_stop_phba_timers(phba); 2118 spin_lock_irq(&phba->hbalock); 2119 list_del_init(&vport->listentry); 2120 spin_unlock_irq(&phba->hbalock); 2121 2122 lpfc_debugfs_terminate(vport); 2123 2124 kthread_stop(phba->worker_thread); 2125 2126 /* Release the irq reservation */ 2127 free_irq(phba->pcidev->irq, phba); 2128 if (phba->using_msi) 2129 pci_disable_msi(phba->pcidev); 2130 2131 pci_set_drvdata(pdev, NULL); 2132 scsi_host_put(shost); 2133 2134 /* 2135 * Call scsi_free before mem_free since scsi bufs are released to their 2136 * corresponding pools here. 2137 */ 2138 lpfc_scsi_free(phba); 2139 lpfc_mem_free(phba); 2140 2141 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, 2142 phba->hbqslimp.phys); 2143 2144 /* Free resources associated with SLI2 interface */ 2145 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 2146 phba->slim2p, phba->slim2p_mapping); 2147 2148 /* unmap adapter SLIM and Control Registers */ 2149 iounmap(phba->ctrl_regs_memmap_p); 2150 iounmap(phba->slim_memmap_p); 2151 2152 idr_remove(&lpfc_hba_index, phba->brd_no); 2153 2154 kfree(phba); 2155 2156 pci_release_regions(pdev); 2157 pci_disable_device(pdev); 2158} 2159 2160/** 2161 * lpfc_io_error_detected - called when PCI error is detected 2162 * @pdev: Pointer to PCI device 2163 * @state: The current pci conneection state 2164 * 2165 * This function is called after a PCI bus error affecting 2166 * this device has been detected. 2167 */ 2168static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, 2169 pci_channel_state_t state) 2170{ 2171 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2172 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2173 struct lpfc_sli *psli = &phba->sli; 2174 struct lpfc_sli_ring *pring; 2175 2176 if (state == pci_channel_io_perm_failure) 2177 return PCI_ERS_RESULT_DISCONNECT; 2178 2179 pci_disable_device(pdev); 2180 /* 2181 * There may be I/Os dropped by the firmware. 2182 * Error iocb (I/O) on txcmplq and let the SCSI layer 2183 * retry it after re-establishing link. 2184 */ 2185 pring = &psli->ring[psli->fcp_ring]; 2186 lpfc_sli_abort_iocb_ring(phba, pring); 2187 2188 /* Release the irq reservation */ 2189 free_irq(phba->pcidev->irq, phba); 2190 if (phba->using_msi) 2191 pci_disable_msi(phba->pcidev); 2192 2193 /* Request a slot reset. */ 2194 return PCI_ERS_RESULT_NEED_RESET; 2195} 2196 2197/** 2198 * lpfc_io_slot_reset - called after the pci bus has been reset. 2199 * @pdev: Pointer to PCI device 2200 * 2201 * Restart the card from scratch, as if from a cold-boot. 2202 */ 2203static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) 2204{ 2205 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2206 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2207 struct lpfc_sli *psli = &phba->sli; 2208 int bars = pci_select_bars(pdev, IORESOURCE_MEM); 2209 2210 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); 2211 if (pci_enable_device_bars(pdev, bars)) { 2212 printk(KERN_ERR "lpfc: Cannot re-enable " 2213 "PCI device after reset.\n"); 2214 return PCI_ERS_RESULT_DISCONNECT; 2215 } 2216 2217 pci_set_master(pdev); 2218 2219 /* Re-establishing Link */ 2220 spin_lock_irq(shost->host_lock); 2221 phba->pport->fc_flag |= FC_ESTABLISH_LINK; 2222 spin_unlock_irq(shost->host_lock); 2223 2224 spin_lock_irq(&phba->hbalock); 2225 psli->sli_flag &= ~LPFC_SLI2_ACTIVE; 2226 spin_unlock_irq(&phba->hbalock); 2227 2228 2229 /* Take device offline; this will perform cleanup */ 2230 lpfc_offline(phba); 2231 lpfc_sli_brdrestart(phba); 2232 2233 return PCI_ERS_RESULT_RECOVERED; 2234} 2235 2236/** 2237 * lpfc_io_resume - called when traffic can start flowing again. 2238 * @pdev: Pointer to PCI device 2239 * 2240 * This callback is called when the error recovery driver tells us that 2241 * its OK to resume normal operation. 2242 */ 2243static void lpfc_io_resume(struct pci_dev *pdev) 2244{ 2245 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2246 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; 2247 2248 if (lpfc_online(phba) == 0) { 2249 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 2250 } 2251} 2252 2253static struct pci_device_id lpfc_id_table[] = { 2254 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, 2255 PCI_ANY_ID, PCI_ANY_ID, }, 2256 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, 2257 PCI_ANY_ID, PCI_ANY_ID, }, 2258 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, 2259 PCI_ANY_ID, PCI_ANY_ID, }, 2260 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, 2261 PCI_ANY_ID, PCI_ANY_ID, }, 2262 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, 2263 PCI_ANY_ID, PCI_ANY_ID, }, 2264 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, 2265 PCI_ANY_ID, PCI_ANY_ID, }, 2266 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, 2267 PCI_ANY_ID, PCI_ANY_ID, }, 2268 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, 2269 PCI_ANY_ID, PCI_ANY_ID, }, 2270 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, 2271 PCI_ANY_ID, PCI_ANY_ID, }, 2272 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, 2273 PCI_ANY_ID, PCI_ANY_ID, }, 2274 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, 2275 PCI_ANY_ID, PCI_ANY_ID, }, 2276 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, 2277 PCI_ANY_ID, PCI_ANY_ID, }, 2278 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, 2279 PCI_ANY_ID, PCI_ANY_ID, }, 2280 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, 2281 PCI_ANY_ID, PCI_ANY_ID, }, 2282 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, 2283 PCI_ANY_ID, PCI_ANY_ID, }, 2284 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, 2285 PCI_ANY_ID, PCI_ANY_ID, }, 2286 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, 2287 PCI_ANY_ID, PCI_ANY_ID, }, 2288 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, 2289 PCI_ANY_ID, PCI_ANY_ID, }, 2290 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, 2291 PCI_ANY_ID, PCI_ANY_ID, }, 2292 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, 2293 PCI_ANY_ID, PCI_ANY_ID, }, 2294 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, 2295 PCI_ANY_ID, PCI_ANY_ID, }, 2296 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, 2297 PCI_ANY_ID, PCI_ANY_ID, }, 2298 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, 2299 PCI_ANY_ID, PCI_ANY_ID, }, 2300 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, 2301 PCI_ANY_ID, PCI_ANY_ID, }, 2302 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, 2303 PCI_ANY_ID, PCI_ANY_ID, }, 2304 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, 2305 PCI_ANY_ID, PCI_ANY_ID, }, 2306 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, 2307 PCI_ANY_ID, PCI_ANY_ID, }, 2308 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, 2309 PCI_ANY_ID, PCI_ANY_ID, }, 2310 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, 2311 PCI_ANY_ID, PCI_ANY_ID, }, 2312 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, 2313 PCI_ANY_ID, PCI_ANY_ID, }, 2314 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, 2315 PCI_ANY_ID, PCI_ANY_ID, }, 2316 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, 2317 PCI_ANY_ID, PCI_ANY_ID, }, 2318 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, 2319 PCI_ANY_ID, PCI_ANY_ID, }, 2320 { 0 } 2321}; 2322 2323MODULE_DEVICE_TABLE(pci, lpfc_id_table); 2324 2325static struct pci_error_handlers lpfc_err_handler = { 2326 .error_detected = lpfc_io_error_detected, 2327 .slot_reset = lpfc_io_slot_reset, 2328 .resume = lpfc_io_resume, 2329}; 2330 2331static struct pci_driver lpfc_driver = { 2332 .name = LPFC_DRIVER_NAME, 2333 .id_table = lpfc_id_table, 2334 .probe = lpfc_pci_probe_one, 2335 .remove = __devexit_p(lpfc_pci_remove_one), 2336 .err_handler = &lpfc_err_handler, 2337}; 2338 2339static int __init 2340lpfc_init(void) 2341{ 2342 int error = 0; 2343 2344 printk(LPFC_MODULE_DESC "\n"); 2345 printk(LPFC_COPYRIGHT "\n"); 2346 2347 if (lpfc_enable_npiv) { 2348 lpfc_transport_functions.vport_create = lpfc_vport_create; 2349 lpfc_transport_functions.vport_delete = lpfc_vport_delete; 2350 } 2351 lpfc_transport_template = 2352 fc_attach_transport(&lpfc_transport_functions); 2353 if (lpfc_transport_template == NULL) 2354 return -ENOMEM; 2355 if (lpfc_enable_npiv) { 2356 lpfc_vport_transport_template = 2357 fc_attach_transport(&lpfc_vport_transport_functions); 2358 if (lpfc_vport_transport_template == NULL) { 2359 fc_release_transport(lpfc_transport_template); 2360 return -ENOMEM; 2361 } 2362 } 2363 error = pci_register_driver(&lpfc_driver); 2364 if (error) { 2365 fc_release_transport(lpfc_transport_template); 2366 fc_release_transport(lpfc_vport_transport_template); 2367 } 2368 2369 return error; 2370} 2371 2372static void __exit 2373lpfc_exit(void) 2374{ 2375 pci_unregister_driver(&lpfc_driver); 2376 fc_release_transport(lpfc_transport_template); 2377 if (lpfc_enable_npiv) 2378 fc_release_transport(lpfc_vport_transport_template); 2379} 2380 2381module_init(lpfc_init); 2382module_exit(lpfc_exit); 2383MODULE_LICENSE("GPL"); 2384MODULE_DESCRIPTION(LPFC_MODULE_DESC); 2385MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); 2386MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 2387