1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2005 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 31 #include <scsi/scsi.h> 32 #include <scsi/scsi_device.h> 33 #include <scsi/scsi_host.h> 34 #include <scsi/scsi_transport_fc.h> 35 36 #include "lpfc_hw.h" 37 #include "lpfc_sli.h" 38 #include "lpfc_disc.h" 39 #include "lpfc_scsi.h" 40 #include "lpfc.h" 41 #include "lpfc_logmsg.h" 42 #include "lpfc_crtn.h" 43 #include "lpfc_version.h" 44 45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *); 46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); 47 static int lpfc_post_rcv_buf(struct lpfc_hba *); 48 49 static struct scsi_transport_template *lpfc_transport_template = NULL; 50 static DEFINE_IDR(lpfc_hba_index); 51 52 /************************************************************************/ 53 /* */ 54 /* lpfc_config_port_prep */ 55 /* This routine will do LPFC initialization prior to the */ 56 /* CONFIG_PORT mailbox command. This will be initialized */ 57 /* as a SLI layer callback routine. */ 58 /* This routine returns 0 on success or -ERESTART if it wants */ 59 /* the SLI layer to reset the HBA and try again. Any */ 60 /* other return value indicates an error. */ 61 /* */ 62 /************************************************************************/ 63 int 64 lpfc_config_port_prep(struct lpfc_hba * phba) 65 { 66 lpfc_vpd_t *vp = &phba->vpd; 67 int i = 0, rc; 68 LPFC_MBOXQ_t *pmb; 69 MAILBOX_t *mb; 70 char *lpfc_vpd_data = NULL; 71 uint16_t offset = 0; 72 static char licensed[56] = 73 "key unlock for use with gnu public licensed code only\0"; 74 75 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 76 if (!pmb) { 77 phba->hba_state = LPFC_HBA_ERROR; 78 return -ENOMEM; 79 } 80 81 mb = &pmb->mb; 82 phba->hba_state = LPFC_INIT_MBX_CMDS; 83 84 if (lpfc_is_LC_HBA(phba->pcidev->device)) { 85 uint32_t *ptext = (uint32_t *) licensed; 86 87 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) 88 *ptext = cpu_to_be32(*ptext); 89 90 lpfc_read_nv(phba, pmb); 91 memset((char*)mb->un.varRDnvp.rsvd3, 0, 92 sizeof (mb->un.varRDnvp.rsvd3)); 93 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, 94 sizeof (licensed)); 95 96 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 97 98 if (rc != MBX_SUCCESS) { 99 lpfc_printf_log(phba, 100 KERN_ERR, 101 LOG_MBOX, 102 "%d:0324 Config Port initialization " 103 "error, mbxCmd x%x READ_NVPARM, " 104 "mbxStatus x%x\n", 105 phba->brd_no, 106 mb->mbxCommand, mb->mbxStatus); 107 mempool_free(pmb, phba->mbox_mem_pool); 108 return -ERESTART; 109 } 110 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, 111 sizeof (mb->un.varRDnvp.nodename)); 112 } 113 114 /* Setup and issue mailbox READ REV command */ 115 lpfc_read_rev(phba, pmb); 116 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 117 if (rc != MBX_SUCCESS) { 118 lpfc_printf_log(phba, 119 KERN_ERR, 120 LOG_INIT, 121 "%d:0439 Adapter failed to init, mbxCmd x%x " 122 "READ_REV, mbxStatus x%x\n", 123 phba->brd_no, 124 mb->mbxCommand, mb->mbxStatus); 125 mempool_free( pmb, phba->mbox_mem_pool); 126 return -ERESTART; 127 } 128 129 /* The HBA's current state is provided by the ProgType and rr fields. 130 * Read and check the value of these fields before continuing to config 131 * this port. 132 */ 133 if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) { 134 /* Old firmware */ 135 vp->rev.rBit = 0; 136 lpfc_printf_log(phba, 137 KERN_ERR, 138 LOG_INIT, 139 "%d:0440 Adapter failed to init, mbxCmd x%x " 140 "READ_REV detected outdated firmware" 141 "Data: x%x\n", 142 phba->brd_no, 143 mb->mbxCommand, 0); 144 mempool_free(pmb, phba->mbox_mem_pool); 145 return -ERESTART; 146 } else { 147 vp->rev.rBit = 1; 148 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; 149 memcpy(vp->rev.sli1FwName, 150 (char*)mb->un.varRdRev.sli1FwName, 16); 151 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; 152 memcpy(vp->rev.sli2FwName, 153 (char *)mb->un.varRdRev.sli2FwName, 16); 154 } 155 156 /* Save information as VPD data */ 157 vp->rev.biuRev = mb->un.varRdRev.biuRev; 158 vp->rev.smRev = mb->un.varRdRev.smRev; 159 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; 160 vp->rev.endecRev = mb->un.varRdRev.endecRev; 161 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; 162 vp->rev.fcphLow = mb->un.varRdRev.fcphLow; 163 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; 164 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; 165 vp->rev.postKernRev = mb->un.varRdRev.postKernRev; 166 vp->rev.opFwRev = mb->un.varRdRev.opFwRev; 167 168 if (lpfc_is_LC_HBA(phba->pcidev->device)) 169 memcpy(phba->RandomData, (char *)&mb->un.varWords[24], 170 sizeof (phba->RandomData)); 171 172 /* Get the default values for Model Name and Description */ 173 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 174 175 /* Get adapter VPD information */ 176 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); 177 if (!pmb->context2) 178 goto out_free_mbox; 179 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); 180 if (!lpfc_vpd_data) 181 goto out_free_context2; 182 183 do { 184 lpfc_dump_mem(phba, pmb, offset); 185 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 186 187 if (rc != MBX_SUCCESS) { 188 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 189 "%d:0441 VPD not present on adapter, " 190 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", 191 phba->brd_no, 192 mb->mbxCommand, mb->mbxStatus); 193 kfree(lpfc_vpd_data); 194 lpfc_vpd_data = NULL; 195 break; 196 } 197 198 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, 199 mb->un.varDmp.word_cnt); 200 offset += mb->un.varDmp.word_cnt; 201 } while (mb->un.varDmp.word_cnt); 202 lpfc_parse_vpd(phba, lpfc_vpd_data); 203 204 kfree(lpfc_vpd_data); 205 out_free_context2: 206 kfree(pmb->context2); 207 out_free_mbox: 208 mempool_free(pmb, phba->mbox_mem_pool); 209 return 0; 210 } 211 212 /************************************************************************/ 213 /* */ 214 /* lpfc_config_port_post */ 215 /* This routine will do LPFC initialization after the */ 216 /* CONFIG_PORT mailbox command. This will be initialized */ 217 /* as a SLI layer callback routine. */ 218 /* This routine returns 0 on success. Any other return value */ 219 /* indicates an error. */ 220 /* */ 221 /************************************************************************/ 222 int 223 lpfc_config_port_post(struct lpfc_hba * phba) 224 { 225 LPFC_MBOXQ_t *pmb; 226 MAILBOX_t *mb; 227 struct lpfc_dmabuf *mp; 228 struct lpfc_sli *psli = &phba->sli; 229 uint32_t status, timeout; 230 int i, j, rc; 231 232 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 233 if (!pmb) { 234 phba->hba_state = LPFC_HBA_ERROR; 235 return -ENOMEM; 236 } 237 mb = &pmb->mb; 238 239 lpfc_config_link(phba, pmb); 240 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 241 if (rc != MBX_SUCCESS) { 242 lpfc_printf_log(phba, 243 KERN_ERR, 244 LOG_INIT, 245 "%d:0447 Adapter failed init, mbxCmd x%x " 246 "CONFIG_LINK mbxStatus x%x\n", 247 phba->brd_no, 248 mb->mbxCommand, mb->mbxStatus); 249 phba->hba_state = LPFC_HBA_ERROR; 250 mempool_free( pmb, phba->mbox_mem_pool); 251 return -EIO; 252 } 253 254 /* Get login parameters for NID. */ 255 lpfc_read_sparam(phba, pmb); 256 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 257 lpfc_printf_log(phba, 258 KERN_ERR, 259 LOG_INIT, 260 "%d:0448 Adapter failed init, mbxCmd x%x " 261 "READ_SPARM mbxStatus x%x\n", 262 phba->brd_no, 263 mb->mbxCommand, mb->mbxStatus); 264 phba->hba_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(&phba->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 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, 280 sizeof (struct lpfc_name)); 281 memcpy(&phba->fc_portname, &phba->fc_sparam.portName, 282 sizeof (struct lpfc_name)); 283 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 284 /* This should be consolidated into parse_vpd ? - mr */ 285 if (phba->SerialNumber[0] == 0) { 286 uint8_t *outptr; 287 288 outptr = &phba->fc_nodename.u.s.IEEE[0]; 289 for (i = 0; i < 12; i++) { 290 status = *outptr++; 291 j = ((status & 0xf0) >> 4); 292 if (j <= 9) 293 phba->SerialNumber[i] = 294 (char)((uint8_t) 0x30 + (uint8_t) j); 295 else 296 phba->SerialNumber[i] = 297 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 298 i++; 299 j = (status & 0xf); 300 if (j <= 9) 301 phba->SerialNumber[i] = 302 (char)((uint8_t) 0x30 + (uint8_t) j); 303 else 304 phba->SerialNumber[i] = 305 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 306 } 307 } 308 309 /* This should turn on DELAYED ABTS for ELS timeouts */ 310 lpfc_set_slim(phba, pmb, 0x052198, 0x1); 311 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 312 phba->hba_state = LPFC_HBA_ERROR; 313 mempool_free( pmb, phba->mbox_mem_pool); 314 return -EIO; 315 } 316 317 318 lpfc_read_config(phba, pmb); 319 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 320 lpfc_printf_log(phba, 321 KERN_ERR, 322 LOG_INIT, 323 "%d:0453 Adapter failed to init, mbxCmd x%x " 324 "READ_CONFIG, mbxStatus x%x\n", 325 phba->brd_no, 326 mb->mbxCommand, mb->mbxStatus); 327 phba->hba_state = LPFC_HBA_ERROR; 328 mempool_free( pmb, phba->mbox_mem_pool); 329 return -EIO; 330 } 331 332 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 333 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) 334 phba->cfg_hba_queue_depth = 335 mb->un.varRdConfig.max_xri + 1; 336 337 phba->lmt = mb->un.varRdConfig.lmt; 338 /* HBA is not 4GB capable, or HBA is not 2GB capable, 339 don't let link speed ask for it */ 340 if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) && 341 (phba->cfg_link_speed > LINK_SPEED_2G)) || 342 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) && 343 (phba->cfg_link_speed > LINK_SPEED_1G))) { 344 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */ 345 lpfc_printf_log(phba, 346 KERN_WARNING, 347 LOG_LINK_EVENT, 348 "%d:1302 Invalid speed for this board: " 349 "Reset link speed to auto: x%x\n", 350 phba->brd_no, 351 phba->cfg_link_speed); 352 phba->cfg_link_speed = LINK_SPEED_AUTO; 353 } 354 355 phba->hba_state = LPFC_LINK_DOWN; 356 357 /* Only process IOCBs on ring 0 till hba_state is READY */ 358 if (psli->ring[psli->ip_ring].cmdringaddr) 359 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; 360 if (psli->ring[psli->fcp_ring].cmdringaddr) 361 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; 362 if (psli->ring[psli->next_ring].cmdringaddr) 363 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; 364 365 /* Post receive buffers for desired rings */ 366 lpfc_post_rcv_buf(phba); 367 368 /* Enable appropriate host interrupts */ 369 spin_lock_irq(phba->host->host_lock); 370 status = readl(phba->HCregaddr); 371 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 372 if (psli->num_rings > 0) 373 status |= HC_R0INT_ENA; 374 if (psli->num_rings > 1) 375 status |= HC_R1INT_ENA; 376 if (psli->num_rings > 2) 377 status |= HC_R2INT_ENA; 378 if (psli->num_rings > 3) 379 status |= HC_R3INT_ENA; 380 381 writel(status, phba->HCregaddr); 382 readl(phba->HCregaddr); /* flush */ 383 spin_unlock_irq(phba->host->host_lock); 384 385 /* 386 * Setup the ring 0 (els) timeout handler 387 */ 388 timeout = phba->fc_ratov << 1; 389 phba->els_tmofunc.expires = jiffies + HZ * timeout; 390 add_timer(&phba->els_tmofunc); 391 392 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); 393 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 394 if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) { 395 lpfc_printf_log(phba, 396 KERN_ERR, 397 LOG_INIT, 398 "%d:0454 Adapter failed to init, mbxCmd x%x " 399 "INIT_LINK, mbxStatus x%x\n", 400 phba->brd_no, 401 mb->mbxCommand, mb->mbxStatus); 402 403 /* Clear all interrupt enable conditions */ 404 writel(0, phba->HCregaddr); 405 readl(phba->HCregaddr); /* flush */ 406 /* Clear all pending interrupts */ 407 writel(0xffffffff, phba->HAregaddr); 408 readl(phba->HAregaddr); /* flush */ 409 410 phba->hba_state = LPFC_HBA_ERROR; 411 mempool_free(pmb, phba->mbox_mem_pool); 412 return -EIO; 413 } 414 /* MBOX buffer will be freed in mbox compl */ 415 416 i = 0; 417 while ((phba->hba_state != LPFC_HBA_READY) || 418 (phba->num_disc_nodes) || (phba->fc_prli_sent) || 419 ((phba->fc_map_cnt == 0) && (i<2)) || 420 (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { 421 /* Check every second for 30 retries. */ 422 i++; 423 if (i > 30) { 424 break; 425 } 426 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { 427 /* The link is down. Set linkdown timeout */ 428 break; 429 } 430 431 /* Delay for 1 second to give discovery time to complete. */ 432 msleep(1000); 433 434 } 435 436 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let 437 * any potential PRLIs to flush thru the SLI sub-system. 438 */ 439 msleep(50); 440 441 return (0); 442 } 443 444 /************************************************************************/ 445 /* */ 446 /* lpfc_hba_down_prep */ 447 /* This routine will do LPFC uninitialization before the */ 448 /* HBA is reset when bringing down the SLI Layer. This will be */ 449 /* initialized as a SLI layer callback routine. */ 450 /* This routine returns 0 on success. Any other return value */ 451 /* indicates an error. */ 452 /* */ 453 /************************************************************************/ 454 int 455 lpfc_hba_down_prep(struct lpfc_hba * phba) 456 { 457 /* Disable interrupts */ 458 writel(0, phba->HCregaddr); 459 readl(phba->HCregaddr); /* flush */ 460 461 /* Cleanup potential discovery resources */ 462 lpfc_els_flush_rscn(phba); 463 lpfc_els_flush_cmd(phba); 464 lpfc_disc_flush_list(phba); 465 466 return (0); 467 } 468 469 /************************************************************************/ 470 /* */ 471 /* lpfc_handle_eratt */ 472 /* This routine will handle processing a Host Attention */ 473 /* Error Status event. This will be initialized */ 474 /* as a SLI layer callback routine. */ 475 /* */ 476 /************************************************************************/ 477 void 478 lpfc_handle_eratt(struct lpfc_hba * phba) 479 { 480 struct lpfc_sli *psli = &phba->sli; 481 struct lpfc_sli_ring *pring; 482 483 /* 484 * If a reset is sent to the HBA restore PCI configuration registers. 485 */ 486 if ( phba->hba_state == LPFC_INIT_START ) { 487 mdelay(1); 488 readl(phba->HCregaddr); /* flush */ 489 writel(0, phba->HCregaddr); 490 readl(phba->HCregaddr); /* flush */ 491 492 /* Restore PCI cmd register */ 493 pci_write_config_word(phba->pcidev, 494 PCI_COMMAND, phba->pci_cfg_value); 495 } 496 497 if (phba->work_hs & HS_FFER6) { 498 /* Re-establishing Link */ 499 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 500 "%d:1301 Re-establishing Link " 501 "Data: x%x x%x x%x\n", 502 phba->brd_no, phba->work_hs, 503 phba->work_status[0], phba->work_status[1]); 504 spin_lock_irq(phba->host->host_lock); 505 phba->fc_flag |= FC_ESTABLISH_LINK; 506 spin_unlock_irq(phba->host->host_lock); 507 508 /* 509 * Firmware stops when it triggled erratt with HS_FFER6. 510 * That could cause the I/Os dropped by the firmware. 511 * Error iocb (I/O) on txcmplq and let the SCSI layer 512 * retry it after re-establishing link. 513 */ 514 pring = &psli->ring[psli->fcp_ring]; 515 lpfc_sli_abort_iocb_ring(phba, pring); 516 517 518 /* 519 * There was a firmware error. Take the hba offline and then 520 * attempt to restart it. 521 */ 522 lpfc_offline(phba); 523 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 524 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 525 return; 526 } 527 } else { 528 /* The if clause above forces this code path when the status 529 * failure is a value other than FFER6. Do not call the offline 530 * twice. This is the adapter hardware error path. 531 */ 532 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 533 "%d:0457 Adapter Hardware Error " 534 "Data: x%x x%x x%x\n", 535 phba->brd_no, phba->work_hs, 536 phba->work_status[0], phba->work_status[1]); 537 538 lpfc_offline(phba); 539 540 } 541 } 542 543 /************************************************************************/ 544 /* */ 545 /* lpfc_handle_latt */ 546 /* This routine will handle processing a Host Attention */ 547 /* Link Status event. This will be initialized */ 548 /* as a SLI layer callback routine. */ 549 /* */ 550 /************************************************************************/ 551 void 552 lpfc_handle_latt(struct lpfc_hba * phba) 553 { 554 struct lpfc_sli *psli = &phba->sli; 555 LPFC_MBOXQ_t *pmb; 556 volatile uint32_t control; 557 struct lpfc_dmabuf *mp; 558 int rc = -ENOMEM; 559 560 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 561 if (!pmb) 562 goto lpfc_handle_latt_err_exit; 563 564 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 565 if (!mp) 566 goto lpfc_handle_latt_free_pmb; 567 568 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 569 if (!mp->virt) 570 goto lpfc_handle_latt_free_mp; 571 572 rc = -EIO; 573 574 575 psli->slistat.link_event++; 576 lpfc_read_la(phba, pmb, mp); 577 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 578 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); 579 if (rc == MBX_NOT_FINISHED) 580 goto lpfc_handle_latt_free_mp; 581 582 /* Clear Link Attention in HA REG */ 583 spin_lock_irq(phba->host->host_lock); 584 writel(HA_LATT, phba->HAregaddr); 585 readl(phba->HAregaddr); /* flush */ 586 spin_unlock_irq(phba->host->host_lock); 587 588 return; 589 590 lpfc_handle_latt_free_mp: 591 kfree(mp); 592 lpfc_handle_latt_free_pmb: 593 kfree(pmb); 594 lpfc_handle_latt_err_exit: 595 /* Enable Link attention interrupts */ 596 spin_lock_irq(phba->host->host_lock); 597 psli->sli_flag |= LPFC_PROCESS_LA; 598 control = readl(phba->HCregaddr); 599 control |= HC_LAINT_ENA; 600 writel(control, phba->HCregaddr); 601 readl(phba->HCregaddr); /* flush */ 602 603 /* Clear Link Attention in HA REG */ 604 writel(HA_LATT, phba->HAregaddr); 605 readl(phba->HAregaddr); /* flush */ 606 spin_unlock_irq(phba->host->host_lock); 607 lpfc_linkdown(phba); 608 phba->hba_state = LPFC_HBA_ERROR; 609 610 /* The other case is an error from issue_mbox */ 611 if (rc == -ENOMEM) 612 lpfc_printf_log(phba, 613 KERN_WARNING, 614 LOG_MBOX, 615 "%d:0300 READ_LA: no buffers\n", 616 phba->brd_no); 617 618 return; 619 } 620 621 /************************************************************************/ 622 /* */ 623 /* lpfc_parse_vpd */ 624 /* This routine will parse the VPD data */ 625 /* */ 626 /************************************************************************/ 627 static int 628 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd) 629 { 630 uint8_t lenlo, lenhi; 631 uint32_t Length; 632 int i, j; 633 int finished = 0; 634 int index = 0; 635 636 if (!vpd) 637 return 0; 638 639 /* Vital Product */ 640 lpfc_printf_log(phba, 641 KERN_INFO, 642 LOG_INIT, 643 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n", 644 phba->brd_no, 645 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 646 (uint32_t) vpd[3]); 647 do { 648 switch (vpd[index]) { 649 case 0x82: 650 index += 1; 651 lenlo = vpd[index]; 652 index += 1; 653 lenhi = vpd[index]; 654 index += 1; 655 i = ((((unsigned short)lenhi) << 8) + lenlo); 656 index += i; 657 break; 658 case 0x90: 659 index += 1; 660 lenlo = vpd[index]; 661 index += 1; 662 lenhi = vpd[index]; 663 index += 1; 664 Length = ((((unsigned short)lenhi) << 8) + lenlo); 665 666 while (Length > 0) { 667 /* Look for Serial Number */ 668 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 669 index += 2; 670 i = vpd[index]; 671 index += 1; 672 j = 0; 673 Length -= (3+i); 674 while(i--) { 675 phba->SerialNumber[j++] = vpd[index++]; 676 if (j == 31) 677 break; 678 } 679 phba->SerialNumber[j] = 0; 680 continue; 681 } 682 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 683 phba->vpd_flag |= VPD_MODEL_DESC; 684 index += 2; 685 i = vpd[index]; 686 index += 1; 687 j = 0; 688 Length -= (3+i); 689 while(i--) { 690 phba->ModelDesc[j++] = vpd[index++]; 691 if (j == 255) 692 break; 693 } 694 phba->ModelDesc[j] = 0; 695 continue; 696 } 697 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 698 phba->vpd_flag |= VPD_MODEL_NAME; 699 index += 2; 700 i = vpd[index]; 701 index += 1; 702 j = 0; 703 Length -= (3+i); 704 while(i--) { 705 phba->ModelName[j++] = vpd[index++]; 706 if (j == 79) 707 break; 708 } 709 phba->ModelName[j] = 0; 710 continue; 711 } 712 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 713 phba->vpd_flag |= VPD_PROGRAM_TYPE; 714 index += 2; 715 i = vpd[index]; 716 index += 1; 717 j = 0; 718 Length -= (3+i); 719 while(i--) { 720 phba->ProgramType[j++] = vpd[index++]; 721 if (j == 255) 722 break; 723 } 724 phba->ProgramType[j] = 0; 725 continue; 726 } 727 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 728 phba->vpd_flag |= VPD_PORT; 729 index += 2; 730 i = vpd[index]; 731 index += 1; 732 j = 0; 733 Length -= (3+i); 734 while(i--) { 735 phba->Port[j++] = vpd[index++]; 736 if (j == 19) 737 break; 738 } 739 phba->Port[j] = 0; 740 continue; 741 } 742 else { 743 index += 2; 744 i = vpd[index]; 745 index += 1; 746 index += i; 747 Length -= (3 + i); 748 } 749 } 750 finished = 0; 751 break; 752 case 0x78: 753 finished = 1; 754 break; 755 default: 756 index ++; 757 break; 758 } 759 } while (!finished && (index < 108)); 760 761 return(1); 762 } 763 764 static void 765 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) 766 { 767 lpfc_vpd_t *vp; 768 uint32_t id; 769 uint8_t hdrtype; 770 char str[16]; 771 772 vp = &phba->vpd; 773 pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); 774 pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); 775 776 switch ((id >> 16) & 0xffff) { 777 case PCI_DEVICE_ID_FIREFLY: 778 strcpy(str, "LP6000 1"); 779 break; 780 case PCI_DEVICE_ID_SUPERFLY: 781 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 782 strcpy(str, "LP7000 1"); 783 else 784 strcpy(str, "LP7000E 1"); 785 break; 786 case PCI_DEVICE_ID_DRAGONFLY: 787 strcpy(str, "LP8000 1"); 788 break; 789 case PCI_DEVICE_ID_CENTAUR: 790 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 791 strcpy(str, "LP9002 2"); 792 else 793 strcpy(str, "LP9000 1"); 794 break; 795 case PCI_DEVICE_ID_RFLY: 796 strcpy(str, "LP952 2"); 797 break; 798 case PCI_DEVICE_ID_PEGASUS: 799 strcpy(str, "LP9802 2"); 800 break; 801 case PCI_DEVICE_ID_THOR: 802 if (hdrtype == 0x80) 803 strcpy(str, "LP10000DC 2"); 804 else 805 strcpy(str, "LP10000 2"); 806 break; 807 case PCI_DEVICE_ID_VIPER: 808 strcpy(str, "LPX1000 10"); 809 break; 810 case PCI_DEVICE_ID_PFLY: 811 strcpy(str, "LP982 2"); 812 break; 813 case PCI_DEVICE_ID_TFLY: 814 if (hdrtype == 0x80) 815 strcpy(str, "LP1050DC 2"); 816 else 817 strcpy(str, "LP1050 2"); 818 break; 819 case PCI_DEVICE_ID_HELIOS: 820 if (hdrtype == 0x80) 821 strcpy(str, "LP11002 4"); 822 else 823 strcpy(str, "LP11000 4"); 824 break; 825 case PCI_DEVICE_ID_BMID: 826 strcpy(str, "LP1150 4"); 827 break; 828 case PCI_DEVICE_ID_BSMB: 829 strcpy(str, "LP111 4"); 830 break; 831 case PCI_DEVICE_ID_ZEPHYR: 832 if (hdrtype == 0x80) 833 strcpy(str, "LPe11002 4"); 834 else 835 strcpy(str, "LPe11000 4"); 836 break; 837 case PCI_DEVICE_ID_ZMID: 838 strcpy(str, "LPe1150 4"); 839 break; 840 case PCI_DEVICE_ID_ZSMB: 841 strcpy(str, "LPe111 4"); 842 break; 843 case PCI_DEVICE_ID_LP101: 844 strcpy(str, "LP101 2"); 845 break; 846 case PCI_DEVICE_ID_LP10000S: 847 strcpy(str, "LP10000-S 2"); 848 break; 849 default: 850 memset(str, 0, 16); 851 break; 852 } 853 if (mdp) 854 sscanf(str, "%s", mdp); 855 if (descp) 856 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " 857 "Channel Adapter", str); 858 } 859 860 /**************************************************/ 861 /* lpfc_post_buffer */ 862 /* */ 863 /* This routine will post count buffers to the */ 864 /* ring with the QUE_RING_BUF_CN command. This */ 865 /* allows 3 buffers / command to be posted. */ 866 /* Returns the number of buffers NOT posted. */ 867 /**************************************************/ 868 int 869 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt, 870 int type) 871 { 872 IOCB_t *icmd; 873 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; 874 struct lpfc_iocbq *iocb = NULL; 875 struct lpfc_dmabuf *mp1, *mp2; 876 877 cnt += pring->missbufcnt; 878 879 /* While there are buffers to post */ 880 while (cnt > 0) { 881 /* Allocate buffer for command iocb */ 882 spin_lock_irq(phba->host->host_lock); 883 list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list); 884 spin_unlock_irq(phba->host->host_lock); 885 if (iocb == NULL) { 886 pring->missbufcnt = cnt; 887 return cnt; 888 } 889 memset(iocb, 0, sizeof (struct lpfc_iocbq)); 890 icmd = &iocb->iocb; 891 892 /* 2 buffers can be posted per command */ 893 /* Allocate buffer to post */ 894 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 895 if (mp1) 896 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 897 &mp1->phys); 898 if (mp1 == 0 || mp1->virt == 0) { 899 if (mp1) 900 kfree(mp1); 901 spin_lock_irq(phba->host->host_lock); 902 list_add_tail(&iocb->list, lpfc_iocb_list); 903 spin_unlock_irq(phba->host->host_lock); 904 pring->missbufcnt = cnt; 905 return cnt; 906 } 907 908 INIT_LIST_HEAD(&mp1->list); 909 /* Allocate buffer to post */ 910 if (cnt > 1) { 911 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 912 if (mp2) 913 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 914 &mp2->phys); 915 if (mp2 == 0 || mp2->virt == 0) { 916 if (mp2) 917 kfree(mp2); 918 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 919 kfree(mp1); 920 spin_lock_irq(phba->host->host_lock); 921 list_add_tail(&iocb->list, lpfc_iocb_list); 922 spin_unlock_irq(phba->host->host_lock); 923 pring->missbufcnt = cnt; 924 return cnt; 925 } 926 927 INIT_LIST_HEAD(&mp2->list); 928 } else { 929 mp2 = NULL; 930 } 931 932 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 933 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 934 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 935 icmd->ulpBdeCount = 1; 936 cnt--; 937 if (mp2) { 938 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 939 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 940 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 941 cnt--; 942 icmd->ulpBdeCount = 2; 943 } 944 945 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 946 icmd->ulpLe = 1; 947 948 spin_lock_irq(phba->host->host_lock); 949 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 950 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 951 kfree(mp1); 952 cnt++; 953 if (mp2) { 954 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 955 kfree(mp2); 956 cnt++; 957 } 958 list_add_tail(&iocb->list, lpfc_iocb_list); 959 pring->missbufcnt = cnt; 960 spin_unlock_irq(phba->host->host_lock); 961 return cnt; 962 } 963 spin_unlock_irq(phba->host->host_lock); 964 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 965 if (mp2) { 966 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 967 } 968 } 969 pring->missbufcnt = 0; 970 return 0; 971 } 972 973 /************************************************************************/ 974 /* */ 975 /* lpfc_post_rcv_buf */ 976 /* This routine post initial rcv buffers to the configured rings */ 977 /* */ 978 /************************************************************************/ 979 static int 980 lpfc_post_rcv_buf(struct lpfc_hba * phba) 981 { 982 struct lpfc_sli *psli = &phba->sli; 983 984 /* Ring 0, ELS / CT buffers */ 985 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 986 /* Ring 2 - FCP no buffers needed */ 987 988 return 0; 989 } 990 991 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 992 993 /************************************************************************/ 994 /* */ 995 /* lpfc_sha_init */ 996 /* */ 997 /************************************************************************/ 998 static void 999 lpfc_sha_init(uint32_t * HashResultPointer) 1000 { 1001 HashResultPointer[0] = 0x67452301; 1002 HashResultPointer[1] = 0xEFCDAB89; 1003 HashResultPointer[2] = 0x98BADCFE; 1004 HashResultPointer[3] = 0x10325476; 1005 HashResultPointer[4] = 0xC3D2E1F0; 1006 } 1007 1008 /************************************************************************/ 1009 /* */ 1010 /* lpfc_sha_iterate */ 1011 /* */ 1012 /************************************************************************/ 1013 static void 1014 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1015 { 1016 int t; 1017 uint32_t TEMP; 1018 uint32_t A, B, C, D, E; 1019 t = 16; 1020 do { 1021 HashWorkingPointer[t] = 1022 S(1, 1023 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1024 8] ^ 1025 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1026 } while (++t <= 79); 1027 t = 0; 1028 A = HashResultPointer[0]; 1029 B = HashResultPointer[1]; 1030 C = HashResultPointer[2]; 1031 D = HashResultPointer[3]; 1032 E = HashResultPointer[4]; 1033 1034 do { 1035 if (t < 20) { 1036 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1037 } else if (t < 40) { 1038 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1039 } else if (t < 60) { 1040 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1041 } else { 1042 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1043 } 1044 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1045 E = D; 1046 D = C; 1047 C = S(30, B); 1048 B = A; 1049 A = TEMP; 1050 } while (++t <= 79); 1051 1052 HashResultPointer[0] += A; 1053 HashResultPointer[1] += B; 1054 HashResultPointer[2] += C; 1055 HashResultPointer[3] += D; 1056 HashResultPointer[4] += E; 1057 1058 } 1059 1060 /************************************************************************/ 1061 /* */ 1062 /* lpfc_challenge_key */ 1063 /* */ 1064 /************************************************************************/ 1065 static void 1066 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1067 { 1068 *HashWorking = (*RandomChallenge ^ *HashWorking); 1069 } 1070 1071 /************************************************************************/ 1072 /* */ 1073 /* lpfc_hba_init */ 1074 /* */ 1075 /************************************************************************/ 1076 void 1077 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1078 { 1079 int t; 1080 uint32_t *HashWorking; 1081 uint32_t *pwwnn = phba->wwnn; 1082 1083 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL); 1084 if (!HashWorking) 1085 return; 1086 1087 memset(HashWorking, 0, (80 * sizeof(uint32_t))); 1088 HashWorking[0] = HashWorking[78] = *pwwnn++; 1089 HashWorking[1] = HashWorking[79] = *pwwnn; 1090 1091 for (t = 0; t < 7; t++) 1092 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1093 1094 lpfc_sha_init(hbainit); 1095 lpfc_sha_iterate(hbainit, HashWorking); 1096 kfree(HashWorking); 1097 } 1098 1099 static void 1100 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind) 1101 { 1102 struct lpfc_nodelist *ndlp, *next_ndlp; 1103 1104 /* clean up phba - lpfc specific */ 1105 lpfc_can_disctmo(phba); 1106 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, 1107 nlp_listp) { 1108 lpfc_nlp_remove(phba, ndlp); 1109 } 1110 1111 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, 1112 nlp_listp) { 1113 lpfc_nlp_remove(phba, ndlp); 1114 } 1115 1116 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, 1117 nlp_listp) { 1118 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); 1119 } 1120 1121 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, 1122 nlp_listp) { 1123 lpfc_nlp_remove(phba, ndlp); 1124 } 1125 1126 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, 1127 nlp_listp) { 1128 lpfc_nlp_remove(phba, ndlp); 1129 } 1130 1131 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, 1132 nlp_listp) { 1133 lpfc_nlp_remove(phba, ndlp); 1134 } 1135 1136 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, 1137 nlp_listp) { 1138 lpfc_nlp_remove(phba, ndlp); 1139 } 1140 1141 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, 1142 nlp_listp) { 1143 lpfc_nlp_remove(phba, ndlp); 1144 } 1145 1146 INIT_LIST_HEAD(&phba->fc_nlpmap_list); 1147 INIT_LIST_HEAD(&phba->fc_nlpunmap_list); 1148 INIT_LIST_HEAD(&phba->fc_unused_list); 1149 INIT_LIST_HEAD(&phba->fc_plogi_list); 1150 INIT_LIST_HEAD(&phba->fc_adisc_list); 1151 INIT_LIST_HEAD(&phba->fc_reglogin_list); 1152 INIT_LIST_HEAD(&phba->fc_prli_list); 1153 INIT_LIST_HEAD(&phba->fc_npr_list); 1154 1155 phba->fc_map_cnt = 0; 1156 phba->fc_unmap_cnt = 0; 1157 phba->fc_plogi_cnt = 0; 1158 phba->fc_adisc_cnt = 0; 1159 phba->fc_reglogin_cnt = 0; 1160 phba->fc_prli_cnt = 0; 1161 phba->fc_npr_cnt = 0; 1162 phba->fc_unused_cnt= 0; 1163 return; 1164 } 1165 1166 static void 1167 lpfc_establish_link_tmo(unsigned long ptr) 1168 { 1169 struct lpfc_hba *phba = (struct lpfc_hba *)ptr; 1170 unsigned long iflag; 1171 1172 1173 /* Re-establishing Link, timer expired */ 1174 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1175 "%d:1300 Re-establishing Link, timer expired " 1176 "Data: x%x x%x\n", 1177 phba->brd_no, phba->fc_flag, phba->hba_state); 1178 spin_lock_irqsave(phba->host->host_lock, iflag); 1179 phba->fc_flag &= ~FC_ESTABLISH_LINK; 1180 spin_unlock_irqrestore(phba->host->host_lock, iflag); 1181 } 1182 1183 static int 1184 lpfc_stop_timer(struct lpfc_hba * phba) 1185 { 1186 struct lpfc_sli *psli = &phba->sli; 1187 1188 /* Instead of a timer, this has been converted to a 1189 * deferred procedding list. 1190 */ 1191 while (!list_empty(&phba->freebufList)) { 1192 1193 struct lpfc_dmabuf *mp = NULL; 1194 1195 list_remove_head((&phba->freebufList), mp, 1196 struct lpfc_dmabuf, list); 1197 if (mp) { 1198 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1199 kfree(mp); 1200 } 1201 } 1202 1203 del_timer_sync(&phba->fc_estabtmo); 1204 del_timer_sync(&phba->fc_disctmo); 1205 del_timer_sync(&phba->fc_fdmitmo); 1206 del_timer_sync(&phba->els_tmofunc); 1207 psli = &phba->sli; 1208 del_timer_sync(&psli->mbox_tmo); 1209 return(1); 1210 } 1211 1212 int 1213 lpfc_online(struct lpfc_hba * phba) 1214 { 1215 if (!phba) 1216 return 0; 1217 1218 if (!(phba->fc_flag & FC_OFFLINE_MODE)) 1219 return 0; 1220 1221 lpfc_printf_log(phba, 1222 KERN_WARNING, 1223 LOG_INIT, 1224 "%d:0458 Bring Adapter online\n", 1225 phba->brd_no); 1226 1227 if (!lpfc_sli_queue_setup(phba)) 1228 return 1; 1229 1230 if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ 1231 return 1; 1232 1233 spin_lock_irq(phba->host->host_lock); 1234 phba->fc_flag &= ~FC_OFFLINE_MODE; 1235 spin_unlock_irq(phba->host->host_lock); 1236 1237 return 0; 1238 } 1239 1240 int 1241 lpfc_offline(struct lpfc_hba * phba) 1242 { 1243 struct lpfc_sli_ring *pring; 1244 struct lpfc_sli *psli; 1245 unsigned long iflag; 1246 int i = 0; 1247 1248 if (!phba) 1249 return 0; 1250 1251 if (phba->fc_flag & FC_OFFLINE_MODE) 1252 return 0; 1253 1254 psli = &phba->sli; 1255 pring = &psli->ring[psli->fcp_ring]; 1256 1257 lpfc_linkdown(phba); 1258 1259 /* The linkdown event takes 30 seconds to timeout. */ 1260 while (pring->txcmplq_cnt) { 1261 mdelay(10); 1262 if (i++ > 3000) 1263 break; 1264 } 1265 1266 /* stop all timers associated with this hba */ 1267 lpfc_stop_timer(phba); 1268 phba->work_hba_events = 0; 1269 1270 lpfc_printf_log(phba, 1271 KERN_WARNING, 1272 LOG_INIT, 1273 "%d:0460 Bring Adapter offline\n", 1274 phba->brd_no); 1275 1276 /* Bring down the SLI Layer and cleanup. The HBA is offline 1277 now. */ 1278 lpfc_sli_hba_down(phba); 1279 lpfc_cleanup(phba, 1); 1280 spin_lock_irqsave(phba->host->host_lock, iflag); 1281 phba->fc_flag |= FC_OFFLINE_MODE; 1282 spin_unlock_irqrestore(phba->host->host_lock, iflag); 1283 return 0; 1284 } 1285 1286 /****************************************************************************** 1287 * Function name: lpfc_scsi_free 1288 * 1289 * Description: Called from lpfc_pci_remove_one free internal driver resources 1290 * 1291 ******************************************************************************/ 1292 static int 1293 lpfc_scsi_free(struct lpfc_hba * phba) 1294 { 1295 struct lpfc_scsi_buf *sb, *sb_next; 1296 struct lpfc_iocbq *io, *io_next; 1297 1298 spin_lock_irq(phba->host->host_lock); 1299 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1300 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1301 list_del(&sb->list); 1302 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1303 sb->dma_handle); 1304 kfree(sb); 1305 phba->total_scsi_bufs--; 1306 } 1307 1308 /* Release all the lpfc_iocbq entries maintained by this host. */ 1309 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1310 list_del(&io->list); 1311 kfree(io); 1312 phba->total_iocbq_bufs--; 1313 } 1314 1315 spin_unlock_irq(phba->host->host_lock); 1316 1317 return 0; 1318 } 1319 1320 1321 static int __devinit 1322 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1323 { 1324 struct Scsi_Host *host; 1325 struct lpfc_hba *phba; 1326 struct lpfc_sli *psli; 1327 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1328 unsigned long bar0map_len, bar2map_len; 1329 int error = -ENODEV, retval; 1330 int i; 1331 1332 if (pci_enable_device(pdev)) 1333 goto out; 1334 if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) 1335 goto out_disable_device; 1336 1337 host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba)); 1338 if (!host) 1339 goto out_release_regions; 1340 1341 phba = (struct lpfc_hba*)host->hostdata; 1342 memset(phba, 0, sizeof (struct lpfc_hba)); 1343 phba->host = host; 1344 1345 phba->fc_flag |= FC_LOADING; 1346 phba->pcidev = pdev; 1347 1348 /* Assign an unused board number */ 1349 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1350 goto out_put_host; 1351 1352 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no); 1353 if (error) 1354 goto out_put_host; 1355 1356 host->unique_id = phba->brd_no; 1357 1358 INIT_LIST_HEAD(&phba->ctrspbuflist); 1359 INIT_LIST_HEAD(&phba->rnidrspbuflist); 1360 INIT_LIST_HEAD(&phba->freebufList); 1361 1362 /* Initialize timers used by driver */ 1363 init_timer(&phba->fc_estabtmo); 1364 phba->fc_estabtmo.function = lpfc_establish_link_tmo; 1365 phba->fc_estabtmo.data = (unsigned long)phba; 1366 init_timer(&phba->fc_disctmo); 1367 phba->fc_disctmo.function = lpfc_disc_timeout; 1368 phba->fc_disctmo.data = (unsigned long)phba; 1369 1370 init_timer(&phba->fc_fdmitmo); 1371 phba->fc_fdmitmo.function = lpfc_fdmi_tmo; 1372 phba->fc_fdmitmo.data = (unsigned long)phba; 1373 init_timer(&phba->els_tmofunc); 1374 phba->els_tmofunc.function = lpfc_els_timeout; 1375 phba->els_tmofunc.data = (unsigned long)phba; 1376 psli = &phba->sli; 1377 init_timer(&psli->mbox_tmo); 1378 psli->mbox_tmo.function = lpfc_mbox_timeout; 1379 psli->mbox_tmo.data = (unsigned long)phba; 1380 1381 /* 1382 * Get all the module params for configuring this host and then 1383 * establish the host parameters. 1384 */ 1385 lpfc_get_cfgparam(phba); 1386 1387 host->max_id = LPFC_MAX_TARGET; 1388 host->max_lun = phba->cfg_max_luns; 1389 host->this_id = -1; 1390 1391 /* Initialize all internally managed lists. */ 1392 INIT_LIST_HEAD(&phba->fc_nlpmap_list); 1393 INIT_LIST_HEAD(&phba->fc_nlpunmap_list); 1394 INIT_LIST_HEAD(&phba->fc_unused_list); 1395 INIT_LIST_HEAD(&phba->fc_plogi_list); 1396 INIT_LIST_HEAD(&phba->fc_adisc_list); 1397 INIT_LIST_HEAD(&phba->fc_reglogin_list); 1398 INIT_LIST_HEAD(&phba->fc_prli_list); 1399 INIT_LIST_HEAD(&phba->fc_npr_list); 1400 1401 1402 pci_set_master(pdev); 1403 retval = pci_set_mwi(pdev); 1404 if (retval) 1405 dev_printk(KERN_WARNING, &pdev->dev, 1406 "Warning: pci_set_mwi returned %d\n", retval); 1407 1408 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 1409 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 1410 goto out_idr_remove; 1411 1412 /* 1413 * Get the bus address of Bar0 and Bar2 and the number of bytes 1414 * required by each mapping. 1415 */ 1416 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 1417 bar0map_len = pci_resource_len(phba->pcidev, 0); 1418 1419 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 1420 bar2map_len = pci_resource_len(phba->pcidev, 2); 1421 1422 /* Map HBA SLIM and Control Registers to a kernel virtual address. */ 1423 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 1424 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 1425 1426 /* Allocate memory for SLI-2 structures */ 1427 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 1428 &phba->slim2p_mapping, GFP_KERNEL); 1429 if (!phba->slim2p) 1430 goto out_iounmap; 1431 1432 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 1433 1434 /* Initialize the SLI Layer to run with lpfc HBAs. */ 1435 lpfc_sli_setup(phba); 1436 lpfc_sli_queue_setup(phba); 1437 1438 error = lpfc_mem_alloc(phba); 1439 if (error) 1440 goto out_free_slim; 1441 1442 /* Initialize and populate the iocb list per host. */ 1443 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 1444 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 1445 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 1446 if (iocbq_entry == NULL) { 1447 printk(KERN_ERR "%s: only allocated %d iocbs of " 1448 "expected %d count. Unloading driver.\n", 1449 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 1450 error = -ENOMEM; 1451 goto out_free_iocbq; 1452 } 1453 1454 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); 1455 spin_lock_irq(phba->host->host_lock); 1456 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); 1457 phba->total_iocbq_bufs++; 1458 spin_unlock_irq(phba->host->host_lock); 1459 } 1460 1461 /* Initialize HBA structure */ 1462 phba->fc_edtov = FF_DEF_EDTOV; 1463 phba->fc_ratov = FF_DEF_RATOV; 1464 phba->fc_altov = FF_DEF_ALTOV; 1465 phba->fc_arbtov = FF_DEF_ARBTOV; 1466 1467 INIT_LIST_HEAD(&phba->work_list); 1468 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); 1469 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); 1470 1471 /* Startup the kernel thread for this host adapter. */ 1472 phba->worker_thread = kthread_run(lpfc_do_work, phba, 1473 "lpfc_worker_%d", phba->brd_no); 1474 if (IS_ERR(phba->worker_thread)) { 1475 error = PTR_ERR(phba->worker_thread); 1476 goto out_free_iocbq; 1477 } 1478 1479 /* We can rely on a queue depth attribute only after SLI HBA setup */ 1480 host->can_queue = phba->cfg_hba_queue_depth - 10; 1481 1482 /* Tell the midlayer we support 16 byte commands */ 1483 host->max_cmd_len = 16; 1484 1485 /* Initialize the list of scsi buffers used by driver for scsi IO. */ 1486 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); 1487 1488 host->transportt = lpfc_transport_template; 1489 host->hostdata[0] = (unsigned long)phba; 1490 pci_set_drvdata(pdev, host); 1491 error = scsi_add_host(host, &pdev->dev); 1492 if (error) 1493 goto out_kthread_stop; 1494 1495 error = lpfc_alloc_sysfs_attr(phba); 1496 if (error) 1497 goto out_kthread_stop; 1498 1499 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ, 1500 LPFC_DRIVER_NAME, phba); 1501 if (error) { 1502 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 1503 "%d:0451 Enable interrupt handler failed\n", 1504 phba->brd_no); 1505 goto out_free_sysfs_attr; 1506 } 1507 phba->MBslimaddr = phba->slim_memmap_p; 1508 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; 1509 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; 1510 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; 1511 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; 1512 1513 error = lpfc_sli_hba_setup(phba); 1514 if (error) 1515 goto out_free_irq; 1516 1517 /* 1518 * set fixed host attributes 1519 * Must done after lpfc_sli_hba_setup() 1520 */ 1521 1522 fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn); 1523 fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn); 1524 fc_host_supported_classes(host) = FC_COS_CLASS3; 1525 1526 memset(fc_host_supported_fc4s(host), 0, 1527 sizeof(fc_host_supported_fc4s(host))); 1528 fc_host_supported_fc4s(host)[2] = 1; 1529 fc_host_supported_fc4s(host)[7] = 1; 1530 1531 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host)); 1532 1533 fc_host_supported_speeds(host) = 0; 1534 switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) { 1535 case VIPER_JEDEC_ID: 1536 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT; 1537 break; 1538 case HELIOS_JEDEC_ID: 1539 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT; 1540 /* Fall through */ 1541 case CENTAUR_2G_JEDEC_ID: 1542 case PEGASUS_JEDEC_ID: 1543 case THOR_JEDEC_ID: 1544 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT; 1545 /* Fall through */ 1546 default: 1547 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT; 1548 } 1549 1550 fc_host_maxframe_size(host) = 1551 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | 1552 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); 1553 1554 /* This value is also unchanging */ 1555 memset(fc_host_active_fc4s(host), 0, 1556 sizeof(fc_host_active_fc4s(host))); 1557 fc_host_active_fc4s(host)[2] = 1; 1558 fc_host_active_fc4s(host)[7] = 1; 1559 1560 spin_lock_irq(phba->host->host_lock); 1561 phba->fc_flag &= ~FC_LOADING; 1562 spin_unlock_irq(phba->host->host_lock); 1563 return 0; 1564 1565 out_free_irq: 1566 lpfc_stop_timer(phba); 1567 phba->work_hba_events = 0; 1568 free_irq(phba->pcidev->irq, phba); 1569 out_free_sysfs_attr: 1570 lpfc_free_sysfs_attr(phba); 1571 out_kthread_stop: 1572 kthread_stop(phba->worker_thread); 1573 out_free_iocbq: 1574 list_for_each_entry_safe(iocbq_entry, iocbq_next, 1575 &phba->lpfc_iocb_list, list) { 1576 spin_lock_irq(phba->host->host_lock); 1577 kfree(iocbq_entry); 1578 phba->total_iocbq_bufs--; 1579 spin_unlock_irq(phba->host->host_lock); 1580 } 1581 lpfc_mem_free(phba); 1582 out_free_slim: 1583 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, 1584 phba->slim2p_mapping); 1585 out_iounmap: 1586 iounmap(phba->ctrl_regs_memmap_p); 1587 iounmap(phba->slim_memmap_p); 1588 out_idr_remove: 1589 idr_remove(&lpfc_hba_index, phba->brd_no); 1590 out_put_host: 1591 scsi_host_put(host); 1592 out_release_regions: 1593 pci_release_regions(pdev); 1594 out_disable_device: 1595 pci_disable_device(pdev); 1596 out: 1597 return error; 1598 } 1599 1600 static void __devexit 1601 lpfc_pci_remove_one(struct pci_dev *pdev) 1602 { 1603 struct Scsi_Host *host = pci_get_drvdata(pdev); 1604 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0]; 1605 unsigned long iflag; 1606 1607 lpfc_free_sysfs_attr(phba); 1608 1609 spin_lock_irqsave(phba->host->host_lock, iflag); 1610 phba->fc_flag |= FC_UNLOADING; 1611 1612 spin_unlock_irqrestore(phba->host->host_lock, iflag); 1613 1614 fc_remove_host(phba->host); 1615 scsi_remove_host(phba->host); 1616 1617 kthread_stop(phba->worker_thread); 1618 1619 /* 1620 * Bring down the SLI Layer. This step disable all interrupts, 1621 * clears the rings, discards all mailbox commands, and resets 1622 * the HBA. 1623 */ 1624 lpfc_sli_hba_down(phba); 1625 1626 /* Release the irq reservation */ 1627 free_irq(phba->pcidev->irq, phba); 1628 1629 lpfc_cleanup(phba, 0); 1630 lpfc_stop_timer(phba); 1631 phba->work_hba_events = 0; 1632 1633 /* 1634 * Call scsi_free before mem_free since scsi bufs are released to their 1635 * corresponding pools here. 1636 */ 1637 lpfc_scsi_free(phba); 1638 lpfc_mem_free(phba); 1639 1640 /* Free resources associated with SLI2 interface */ 1641 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, 1642 phba->slim2p, phba->slim2p_mapping); 1643 1644 /* unmap adapter SLIM and Control Registers */ 1645 iounmap(phba->ctrl_regs_memmap_p); 1646 iounmap(phba->slim_memmap_p); 1647 1648 pci_release_regions(phba->pcidev); 1649 pci_disable_device(phba->pcidev); 1650 1651 idr_remove(&lpfc_hba_index, phba->brd_no); 1652 scsi_host_put(phba->host); 1653 1654 pci_set_drvdata(pdev, NULL); 1655 } 1656 1657 static struct pci_device_id lpfc_id_table[] = { 1658 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, 1659 PCI_ANY_ID, PCI_ANY_ID, }, 1660 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, 1661 PCI_ANY_ID, PCI_ANY_ID, }, 1662 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, 1663 PCI_ANY_ID, PCI_ANY_ID, }, 1664 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, 1665 PCI_ANY_ID, PCI_ANY_ID, }, 1666 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, 1667 PCI_ANY_ID, PCI_ANY_ID, }, 1668 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, 1669 PCI_ANY_ID, PCI_ANY_ID, }, 1670 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, 1671 PCI_ANY_ID, PCI_ANY_ID, }, 1672 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, 1673 PCI_ANY_ID, PCI_ANY_ID, }, 1674 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, 1675 PCI_ANY_ID, PCI_ANY_ID, }, 1676 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, 1677 PCI_ANY_ID, PCI_ANY_ID, }, 1678 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, 1679 PCI_ANY_ID, PCI_ANY_ID, }, 1680 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, 1681 PCI_ANY_ID, PCI_ANY_ID, }, 1682 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, 1683 PCI_ANY_ID, PCI_ANY_ID, }, 1684 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, 1685 PCI_ANY_ID, PCI_ANY_ID, }, 1686 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, 1687 PCI_ANY_ID, PCI_ANY_ID, }, 1688 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, 1689 PCI_ANY_ID, PCI_ANY_ID, }, 1690 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, 1691 PCI_ANY_ID, PCI_ANY_ID, }, 1692 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, 1693 PCI_ANY_ID, PCI_ANY_ID, }, 1694 { 0 } 1695 }; 1696 1697 MODULE_DEVICE_TABLE(pci, lpfc_id_table); 1698 1699 static struct pci_driver lpfc_driver = { 1700 .name = LPFC_DRIVER_NAME, 1701 .id_table = lpfc_id_table, 1702 .probe = lpfc_pci_probe_one, 1703 .remove = __devexit_p(lpfc_pci_remove_one), 1704 }; 1705 1706 static int __init 1707 lpfc_init(void) 1708 { 1709 int error = 0; 1710 1711 printk(LPFC_MODULE_DESC "\n"); 1712 printk(LPFC_COPYRIGHT "\n"); 1713 1714 lpfc_transport_template = 1715 fc_attach_transport(&lpfc_transport_functions); 1716 if (!lpfc_transport_template) 1717 return -ENOMEM; 1718 error = pci_register_driver(&lpfc_driver); 1719 if (error) 1720 fc_release_transport(lpfc_transport_template); 1721 1722 return error; 1723 } 1724 1725 static void __exit 1726 lpfc_exit(void) 1727 { 1728 pci_unregister_driver(&lpfc_driver); 1729 fc_release_transport(lpfc_transport_template); 1730 } 1731 1732 module_init(lpfc_init); 1733 module_exit(lpfc_exit); 1734 MODULE_LICENSE("GPL"); 1735 MODULE_DESCRIPTION(LPFC_MODULE_DESC); 1736 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); 1737 MODULE_VERSION("0:" LPFC_DRIVER_VERSION); 1738