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 /* 130 * The value of rr must be 1 since the driver set the cv field to 1. 131 * This setting requires the FW to set all revision fields. 132 */ 133 if (mb->un.varRdRev.rr == 0) { 134 vp->rev.rBit = 0; 135 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 136 "%d:0440 Adapter failed to init, READ_REV has " 137 "missing revision information.\n", 138 phba->brd_no); 139 mempool_free(pmb, phba->mbox_mem_pool); 140 return -ERESTART; 141 } 142 143 /* Save information as VPD data */ 144 vp->rev.rBit = 1; 145 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; 146 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); 147 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; 148 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); 149 vp->rev.biuRev = mb->un.varRdRev.biuRev; 150 vp->rev.smRev = mb->un.varRdRev.smRev; 151 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; 152 vp->rev.endecRev = mb->un.varRdRev.endecRev; 153 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; 154 vp->rev.fcphLow = mb->un.varRdRev.fcphLow; 155 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; 156 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; 157 vp->rev.postKernRev = mb->un.varRdRev.postKernRev; 158 vp->rev.opFwRev = mb->un.varRdRev.opFwRev; 159 160 if (lpfc_is_LC_HBA(phba->pcidev->device)) 161 memcpy(phba->RandomData, (char *)&mb->un.varWords[24], 162 sizeof (phba->RandomData)); 163 164 /* Get the default values for Model Name and Description */ 165 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); 166 167 /* Get adapter VPD information */ 168 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); 169 if (!pmb->context2) 170 goto out_free_mbox; 171 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); 172 if (!lpfc_vpd_data) 173 goto out_free_context2; 174 175 do { 176 lpfc_dump_mem(phba, pmb, offset); 177 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 178 179 if (rc != MBX_SUCCESS) { 180 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 181 "%d:0441 VPD not present on adapter, " 182 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", 183 phba->brd_no, 184 mb->mbxCommand, mb->mbxStatus); 185 kfree(lpfc_vpd_data); 186 lpfc_vpd_data = NULL; 187 break; 188 } 189 190 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, 191 mb->un.varDmp.word_cnt); 192 offset += mb->un.varDmp.word_cnt; 193 } while (mb->un.varDmp.word_cnt); 194 lpfc_parse_vpd(phba, lpfc_vpd_data); 195 196 kfree(lpfc_vpd_data); 197 out_free_context2: 198 kfree(pmb->context2); 199 out_free_mbox: 200 mempool_free(pmb, phba->mbox_mem_pool); 201 return 0; 202 } 203 204 /************************************************************************/ 205 /* */ 206 /* lpfc_config_port_post */ 207 /* This routine will do LPFC initialization after the */ 208 /* CONFIG_PORT mailbox command. This will be initialized */ 209 /* as a SLI layer callback routine. */ 210 /* This routine returns 0 on success. Any other return value */ 211 /* indicates an error. */ 212 /* */ 213 /************************************************************************/ 214 int 215 lpfc_config_port_post(struct lpfc_hba * phba) 216 { 217 LPFC_MBOXQ_t *pmb; 218 MAILBOX_t *mb; 219 struct lpfc_dmabuf *mp; 220 struct lpfc_sli *psli = &phba->sli; 221 uint32_t status, timeout; 222 int i, j, rc; 223 224 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 225 if (!pmb) { 226 phba->hba_state = LPFC_HBA_ERROR; 227 return -ENOMEM; 228 } 229 mb = &pmb->mb; 230 231 lpfc_config_link(phba, pmb); 232 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); 233 if (rc != MBX_SUCCESS) { 234 lpfc_printf_log(phba, 235 KERN_ERR, 236 LOG_INIT, 237 "%d:0447 Adapter failed init, mbxCmd x%x " 238 "CONFIG_LINK mbxStatus x%x\n", 239 phba->brd_no, 240 mb->mbxCommand, mb->mbxStatus); 241 phba->hba_state = LPFC_HBA_ERROR; 242 mempool_free( pmb, phba->mbox_mem_pool); 243 return -EIO; 244 } 245 246 /* Get login parameters for NID. */ 247 lpfc_read_sparam(phba, pmb); 248 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 249 lpfc_printf_log(phba, 250 KERN_ERR, 251 LOG_INIT, 252 "%d:0448 Adapter failed init, mbxCmd x%x " 253 "READ_SPARM mbxStatus x%x\n", 254 phba->brd_no, 255 mb->mbxCommand, mb->mbxStatus); 256 phba->hba_state = LPFC_HBA_ERROR; 257 mp = (struct lpfc_dmabuf *) pmb->context1; 258 mempool_free( pmb, phba->mbox_mem_pool); 259 lpfc_mbuf_free(phba, mp->virt, mp->phys); 260 kfree(mp); 261 return -EIO; 262 } 263 264 mp = (struct lpfc_dmabuf *) pmb->context1; 265 266 memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm)); 267 lpfc_mbuf_free(phba, mp->virt, mp->phys); 268 kfree(mp); 269 pmb->context1 = NULL; 270 271 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, 272 sizeof (struct lpfc_name)); 273 memcpy(&phba->fc_portname, &phba->fc_sparam.portName, 274 sizeof (struct lpfc_name)); 275 /* If no serial number in VPD data, use low 6 bytes of WWNN */ 276 /* This should be consolidated into parse_vpd ? - mr */ 277 if (phba->SerialNumber[0] == 0) { 278 uint8_t *outptr; 279 280 outptr = &phba->fc_nodename.u.s.IEEE[0]; 281 for (i = 0; i < 12; i++) { 282 status = *outptr++; 283 j = ((status & 0xf0) >> 4); 284 if (j <= 9) 285 phba->SerialNumber[i] = 286 (char)((uint8_t) 0x30 + (uint8_t) j); 287 else 288 phba->SerialNumber[i] = 289 (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); 290 i++; 291 j = (status & 0xf); 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 } 299 } 300 301 /* This should turn on DELAYED ABTS for ELS timeouts */ 302 lpfc_set_slim(phba, pmb, 0x052198, 0x1); 303 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 304 phba->hba_state = LPFC_HBA_ERROR; 305 mempool_free( pmb, phba->mbox_mem_pool); 306 return -EIO; 307 } 308 309 310 lpfc_read_config(phba, pmb); 311 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { 312 lpfc_printf_log(phba, 313 KERN_ERR, 314 LOG_INIT, 315 "%d:0453 Adapter failed to init, mbxCmd x%x " 316 "READ_CONFIG, mbxStatus x%x\n", 317 phba->brd_no, 318 mb->mbxCommand, mb->mbxStatus); 319 phba->hba_state = LPFC_HBA_ERROR; 320 mempool_free( pmb, phba->mbox_mem_pool); 321 return -EIO; 322 } 323 324 /* Reset the DFT_HBA_Q_DEPTH to the max xri */ 325 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) 326 phba->cfg_hba_queue_depth = 327 mb->un.varRdConfig.max_xri + 1; 328 329 phba->lmt = mb->un.varRdConfig.lmt; 330 /* HBA is not 4GB capable, or HBA is not 2GB capable, 331 don't let link speed ask for it */ 332 if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) && 333 (phba->cfg_link_speed > LINK_SPEED_2G)) || 334 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) && 335 (phba->cfg_link_speed > LINK_SPEED_1G))) { 336 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */ 337 lpfc_printf_log(phba, 338 KERN_WARNING, 339 LOG_LINK_EVENT, 340 "%d:1302 Invalid speed for this board: " 341 "Reset link speed to auto: x%x\n", 342 phba->brd_no, 343 phba->cfg_link_speed); 344 phba->cfg_link_speed = LINK_SPEED_AUTO; 345 } 346 347 phba->hba_state = LPFC_LINK_DOWN; 348 349 /* Only process IOCBs on ring 0 till hba_state is READY */ 350 if (psli->ring[psli->ip_ring].cmdringaddr) 351 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; 352 if (psli->ring[psli->fcp_ring].cmdringaddr) 353 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; 354 if (psli->ring[psli->next_ring].cmdringaddr) 355 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; 356 357 /* Post receive buffers for desired rings */ 358 lpfc_post_rcv_buf(phba); 359 360 /* Enable appropriate host interrupts */ 361 spin_lock_irq(phba->host->host_lock); 362 status = readl(phba->HCregaddr); 363 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; 364 if (psli->num_rings > 0) 365 status |= HC_R0INT_ENA; 366 if (psli->num_rings > 1) 367 status |= HC_R1INT_ENA; 368 if (psli->num_rings > 2) 369 status |= HC_R2INT_ENA; 370 if (psli->num_rings > 3) 371 status |= HC_R3INT_ENA; 372 373 writel(status, phba->HCregaddr); 374 readl(phba->HCregaddr); /* flush */ 375 spin_unlock_irq(phba->host->host_lock); 376 377 /* 378 * Setup the ring 0 (els) timeout handler 379 */ 380 timeout = phba->fc_ratov << 1; 381 phba->els_tmofunc.expires = jiffies + HZ * timeout; 382 add_timer(&phba->els_tmofunc); 383 384 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); 385 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 386 if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) { 387 lpfc_printf_log(phba, 388 KERN_ERR, 389 LOG_INIT, 390 "%d:0454 Adapter failed to init, mbxCmd x%x " 391 "INIT_LINK, mbxStatus x%x\n", 392 phba->brd_no, 393 mb->mbxCommand, mb->mbxStatus); 394 395 /* Clear all interrupt enable conditions */ 396 writel(0, phba->HCregaddr); 397 readl(phba->HCregaddr); /* flush */ 398 /* Clear all pending interrupts */ 399 writel(0xffffffff, phba->HAregaddr); 400 readl(phba->HAregaddr); /* flush */ 401 402 phba->hba_state = LPFC_HBA_ERROR; 403 mempool_free(pmb, phba->mbox_mem_pool); 404 return -EIO; 405 } 406 /* MBOX buffer will be freed in mbox compl */ 407 408 i = 0; 409 while ((phba->hba_state != LPFC_HBA_READY) || 410 (phba->num_disc_nodes) || (phba->fc_prli_sent) || 411 ((phba->fc_map_cnt == 0) && (i<2)) || 412 (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { 413 /* Check every second for 30 retries. */ 414 i++; 415 if (i > 30) { 416 break; 417 } 418 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { 419 /* The link is down. Set linkdown timeout */ 420 break; 421 } 422 423 /* Delay for 1 second to give discovery time to complete. */ 424 msleep(1000); 425 426 } 427 428 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let 429 * any potential PRLIs to flush thru the SLI sub-system. 430 */ 431 msleep(50); 432 433 return (0); 434 } 435 436 /************************************************************************/ 437 /* */ 438 /* lpfc_hba_down_prep */ 439 /* This routine will do LPFC uninitialization before the */ 440 /* HBA is reset when bringing down the SLI Layer. This will be */ 441 /* initialized as a SLI layer callback routine. */ 442 /* This routine returns 0 on success. Any other return value */ 443 /* indicates an error. */ 444 /* */ 445 /************************************************************************/ 446 int 447 lpfc_hba_down_prep(struct lpfc_hba * phba) 448 { 449 /* Disable interrupts */ 450 writel(0, phba->HCregaddr); 451 readl(phba->HCregaddr); /* flush */ 452 453 /* Cleanup potential discovery resources */ 454 lpfc_els_flush_rscn(phba); 455 lpfc_els_flush_cmd(phba); 456 lpfc_disc_flush_list(phba); 457 458 return (0); 459 } 460 461 /************************************************************************/ 462 /* */ 463 /* lpfc_handle_eratt */ 464 /* This routine will handle processing a Host Attention */ 465 /* Error Status event. This will be initialized */ 466 /* as a SLI layer callback routine. */ 467 /* */ 468 /************************************************************************/ 469 void 470 lpfc_handle_eratt(struct lpfc_hba * phba) 471 { 472 struct lpfc_sli *psli = &phba->sli; 473 struct lpfc_sli_ring *pring; 474 475 /* 476 * If a reset is sent to the HBA restore PCI configuration registers. 477 */ 478 if ( phba->hba_state == LPFC_INIT_START ) { 479 mdelay(1); 480 readl(phba->HCregaddr); /* flush */ 481 writel(0, phba->HCregaddr); 482 readl(phba->HCregaddr); /* flush */ 483 484 /* Restore PCI cmd register */ 485 pci_write_config_word(phba->pcidev, 486 PCI_COMMAND, phba->pci_cfg_value); 487 } 488 489 if (phba->work_hs & HS_FFER6) { 490 /* Re-establishing Link */ 491 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 492 "%d:1301 Re-establishing Link " 493 "Data: x%x x%x x%x\n", 494 phba->brd_no, phba->work_hs, 495 phba->work_status[0], phba->work_status[1]); 496 spin_lock_irq(phba->host->host_lock); 497 phba->fc_flag |= FC_ESTABLISH_LINK; 498 spin_unlock_irq(phba->host->host_lock); 499 500 /* 501 * Firmware stops when it triggled erratt with HS_FFER6. 502 * That could cause the I/Os dropped by the firmware. 503 * Error iocb (I/O) on txcmplq and let the SCSI layer 504 * retry it after re-establishing link. 505 */ 506 pring = &psli->ring[psli->fcp_ring]; 507 lpfc_sli_abort_iocb_ring(phba, pring); 508 509 510 /* 511 * There was a firmware error. Take the hba offline and then 512 * attempt to restart it. 513 */ 514 lpfc_offline(phba); 515 if (lpfc_online(phba) == 0) { /* Initialize the HBA */ 516 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); 517 return; 518 } 519 } else { 520 /* The if clause above forces this code path when the status 521 * failure is a value other than FFER6. Do not call the offline 522 * twice. This is the adapter hardware error path. 523 */ 524 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 525 "%d:0457 Adapter Hardware Error " 526 "Data: x%x x%x x%x\n", 527 phba->brd_no, phba->work_hs, 528 phba->work_status[0], phba->work_status[1]); 529 530 lpfc_offline(phba); 531 532 } 533 } 534 535 /************************************************************************/ 536 /* */ 537 /* lpfc_handle_latt */ 538 /* This routine will handle processing a Host Attention */ 539 /* Link Status event. This will be initialized */ 540 /* as a SLI layer callback routine. */ 541 /* */ 542 /************************************************************************/ 543 void 544 lpfc_handle_latt(struct lpfc_hba * phba) 545 { 546 struct lpfc_sli *psli = &phba->sli; 547 LPFC_MBOXQ_t *pmb; 548 volatile uint32_t control; 549 struct lpfc_dmabuf *mp; 550 int rc = -ENOMEM; 551 552 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 553 if (!pmb) 554 goto lpfc_handle_latt_err_exit; 555 556 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 557 if (!mp) 558 goto lpfc_handle_latt_free_pmb; 559 560 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 561 if (!mp->virt) 562 goto lpfc_handle_latt_free_mp; 563 564 rc = -EIO; 565 566 /* Cleanup any outstanding ELS commands */ 567 lpfc_els_flush_cmd(phba); 568 569 psli->slistat.link_event++; 570 lpfc_read_la(phba, pmb, mp); 571 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; 572 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); 573 if (rc == MBX_NOT_FINISHED) 574 goto lpfc_handle_latt_free_mp; 575 576 /* Clear Link Attention in HA REG */ 577 spin_lock_irq(phba->host->host_lock); 578 writel(HA_LATT, phba->HAregaddr); 579 readl(phba->HAregaddr); /* flush */ 580 spin_unlock_irq(phba->host->host_lock); 581 582 return; 583 584 lpfc_handle_latt_free_mp: 585 kfree(mp); 586 lpfc_handle_latt_free_pmb: 587 kfree(pmb); 588 lpfc_handle_latt_err_exit: 589 /* Enable Link attention interrupts */ 590 spin_lock_irq(phba->host->host_lock); 591 psli->sli_flag |= LPFC_PROCESS_LA; 592 control = readl(phba->HCregaddr); 593 control |= HC_LAINT_ENA; 594 writel(control, phba->HCregaddr); 595 readl(phba->HCregaddr); /* flush */ 596 597 /* Clear Link Attention in HA REG */ 598 writel(HA_LATT, phba->HAregaddr); 599 readl(phba->HAregaddr); /* flush */ 600 spin_unlock_irq(phba->host->host_lock); 601 lpfc_linkdown(phba); 602 phba->hba_state = LPFC_HBA_ERROR; 603 604 /* The other case is an error from issue_mbox */ 605 if (rc == -ENOMEM) 606 lpfc_printf_log(phba, 607 KERN_WARNING, 608 LOG_MBOX, 609 "%d:0300 READ_LA: no buffers\n", 610 phba->brd_no); 611 612 return; 613 } 614 615 /************************************************************************/ 616 /* */ 617 /* lpfc_parse_vpd */ 618 /* This routine will parse the VPD data */ 619 /* */ 620 /************************************************************************/ 621 static int 622 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd) 623 { 624 uint8_t lenlo, lenhi; 625 uint32_t Length; 626 int i, j; 627 int finished = 0; 628 int index = 0; 629 630 if (!vpd) 631 return 0; 632 633 /* Vital Product */ 634 lpfc_printf_log(phba, 635 KERN_INFO, 636 LOG_INIT, 637 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n", 638 phba->brd_no, 639 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], 640 (uint32_t) vpd[3]); 641 do { 642 switch (vpd[index]) { 643 case 0x82: 644 index += 1; 645 lenlo = vpd[index]; 646 index += 1; 647 lenhi = vpd[index]; 648 index += 1; 649 i = ((((unsigned short)lenhi) << 8) + lenlo); 650 index += i; 651 break; 652 case 0x90: 653 index += 1; 654 lenlo = vpd[index]; 655 index += 1; 656 lenhi = vpd[index]; 657 index += 1; 658 Length = ((((unsigned short)lenhi) << 8) + lenlo); 659 660 while (Length > 0) { 661 /* Look for Serial Number */ 662 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { 663 index += 2; 664 i = vpd[index]; 665 index += 1; 666 j = 0; 667 Length -= (3+i); 668 while(i--) { 669 phba->SerialNumber[j++] = vpd[index++]; 670 if (j == 31) 671 break; 672 } 673 phba->SerialNumber[j] = 0; 674 continue; 675 } 676 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { 677 phba->vpd_flag |= VPD_MODEL_DESC; 678 index += 2; 679 i = vpd[index]; 680 index += 1; 681 j = 0; 682 Length -= (3+i); 683 while(i--) { 684 phba->ModelDesc[j++] = vpd[index++]; 685 if (j == 255) 686 break; 687 } 688 phba->ModelDesc[j] = 0; 689 continue; 690 } 691 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { 692 phba->vpd_flag |= VPD_MODEL_NAME; 693 index += 2; 694 i = vpd[index]; 695 index += 1; 696 j = 0; 697 Length -= (3+i); 698 while(i--) { 699 phba->ModelName[j++] = vpd[index++]; 700 if (j == 79) 701 break; 702 } 703 phba->ModelName[j] = 0; 704 continue; 705 } 706 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { 707 phba->vpd_flag |= VPD_PROGRAM_TYPE; 708 index += 2; 709 i = vpd[index]; 710 index += 1; 711 j = 0; 712 Length -= (3+i); 713 while(i--) { 714 phba->ProgramType[j++] = vpd[index++]; 715 if (j == 255) 716 break; 717 } 718 phba->ProgramType[j] = 0; 719 continue; 720 } 721 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { 722 phba->vpd_flag |= VPD_PORT; 723 index += 2; 724 i = vpd[index]; 725 index += 1; 726 j = 0; 727 Length -= (3+i); 728 while(i--) { 729 phba->Port[j++] = vpd[index++]; 730 if (j == 19) 731 break; 732 } 733 phba->Port[j] = 0; 734 continue; 735 } 736 else { 737 index += 2; 738 i = vpd[index]; 739 index += 1; 740 index += i; 741 Length -= (3 + i); 742 } 743 } 744 finished = 0; 745 break; 746 case 0x78: 747 finished = 1; 748 break; 749 default: 750 index ++; 751 break; 752 } 753 } while (!finished && (index < 108)); 754 755 return(1); 756 } 757 758 static void 759 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) 760 { 761 lpfc_vpd_t *vp; 762 uint32_t id; 763 uint8_t hdrtype; 764 char str[16]; 765 766 vp = &phba->vpd; 767 pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); 768 pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); 769 770 switch ((id >> 16) & 0xffff) { 771 case PCI_DEVICE_ID_FIREFLY: 772 strcpy(str, "LP6000 1"); 773 break; 774 case PCI_DEVICE_ID_SUPERFLY: 775 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) 776 strcpy(str, "LP7000 1"); 777 else 778 strcpy(str, "LP7000E 1"); 779 break; 780 case PCI_DEVICE_ID_DRAGONFLY: 781 strcpy(str, "LP8000 1"); 782 break; 783 case PCI_DEVICE_ID_CENTAUR: 784 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) 785 strcpy(str, "LP9002 2"); 786 else 787 strcpy(str, "LP9000 1"); 788 break; 789 case PCI_DEVICE_ID_RFLY: 790 strcpy(str, "LP952 2"); 791 break; 792 case PCI_DEVICE_ID_PEGASUS: 793 strcpy(str, "LP9802 2"); 794 break; 795 case PCI_DEVICE_ID_THOR: 796 if (hdrtype == 0x80) 797 strcpy(str, "LP10000DC 2"); 798 else 799 strcpy(str, "LP10000 2"); 800 break; 801 case PCI_DEVICE_ID_VIPER: 802 strcpy(str, "LPX1000 10"); 803 break; 804 case PCI_DEVICE_ID_PFLY: 805 strcpy(str, "LP982 2"); 806 break; 807 case PCI_DEVICE_ID_TFLY: 808 if (hdrtype == 0x80) 809 strcpy(str, "LP1050DC 2"); 810 else 811 strcpy(str, "LP1050 2"); 812 break; 813 case PCI_DEVICE_ID_HELIOS: 814 if (hdrtype == 0x80) 815 strcpy(str, "LP11002 4"); 816 else 817 strcpy(str, "LP11000 4"); 818 break; 819 case PCI_DEVICE_ID_BMID: 820 strcpy(str, "LP1150 4"); 821 break; 822 case PCI_DEVICE_ID_BSMB: 823 strcpy(str, "LP111 4"); 824 break; 825 case PCI_DEVICE_ID_ZEPHYR: 826 if (hdrtype == 0x80) 827 strcpy(str, "LPe11002 4"); 828 else 829 strcpy(str, "LPe11000 4"); 830 break; 831 case PCI_DEVICE_ID_ZMID: 832 strcpy(str, "LPe1150 4"); 833 break; 834 case PCI_DEVICE_ID_ZSMB: 835 strcpy(str, "LPe111 4"); 836 break; 837 case PCI_DEVICE_ID_LP101: 838 strcpy(str, "LP101 2"); 839 break; 840 case PCI_DEVICE_ID_LP10000S: 841 strcpy(str, "LP10000-S 2"); 842 break; 843 default: 844 memset(str, 0, 16); 845 break; 846 } 847 if (mdp) 848 sscanf(str, "%s", mdp); 849 if (descp) 850 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " 851 "Channel Adapter", str); 852 } 853 854 /**************************************************/ 855 /* lpfc_post_buffer */ 856 /* */ 857 /* This routine will post count buffers to the */ 858 /* ring with the QUE_RING_BUF_CN command. This */ 859 /* allows 3 buffers / command to be posted. */ 860 /* Returns the number of buffers NOT posted. */ 861 /**************************************************/ 862 int 863 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt, 864 int type) 865 { 866 IOCB_t *icmd; 867 struct lpfc_iocbq *iocb; 868 struct lpfc_dmabuf *mp1, *mp2; 869 870 cnt += pring->missbufcnt; 871 872 /* While there are buffers to post */ 873 while (cnt > 0) { 874 /* Allocate buffer for command iocb */ 875 spin_lock_irq(phba->host->host_lock); 876 iocb = lpfc_sli_get_iocbq(phba); 877 spin_unlock_irq(phba->host->host_lock); 878 if (iocb == NULL) { 879 pring->missbufcnt = cnt; 880 return cnt; 881 } 882 icmd = &iocb->iocb; 883 884 /* 2 buffers can be posted per command */ 885 /* Allocate buffer to post */ 886 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 887 if (mp1) 888 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 889 &mp1->phys); 890 if (mp1 == 0 || mp1->virt == 0) { 891 kfree(mp1); 892 spin_lock_irq(phba->host->host_lock); 893 lpfc_sli_release_iocbq(phba, iocb); 894 spin_unlock_irq(phba->host->host_lock); 895 pring->missbufcnt = cnt; 896 return cnt; 897 } 898 899 INIT_LIST_HEAD(&mp1->list); 900 /* Allocate buffer to post */ 901 if (cnt > 1) { 902 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 903 if (mp2) 904 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, 905 &mp2->phys); 906 if (mp2 == 0 || mp2->virt == 0) { 907 kfree(mp2); 908 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 909 kfree(mp1); 910 spin_lock_irq(phba->host->host_lock); 911 lpfc_sli_release_iocbq(phba, iocb); 912 spin_unlock_irq(phba->host->host_lock); 913 pring->missbufcnt = cnt; 914 return cnt; 915 } 916 917 INIT_LIST_HEAD(&mp2->list); 918 } else { 919 mp2 = NULL; 920 } 921 922 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); 923 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); 924 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; 925 icmd->ulpBdeCount = 1; 926 cnt--; 927 if (mp2) { 928 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); 929 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); 930 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; 931 cnt--; 932 icmd->ulpBdeCount = 2; 933 } 934 935 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; 936 icmd->ulpLe = 1; 937 938 spin_lock_irq(phba->host->host_lock); 939 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { 940 lpfc_mbuf_free(phba, mp1->virt, mp1->phys); 941 kfree(mp1); 942 cnt++; 943 if (mp2) { 944 lpfc_mbuf_free(phba, mp2->virt, mp2->phys); 945 kfree(mp2); 946 cnt++; 947 } 948 lpfc_sli_release_iocbq(phba, iocb); 949 pring->missbufcnt = cnt; 950 spin_unlock_irq(phba->host->host_lock); 951 return cnt; 952 } 953 spin_unlock_irq(phba->host->host_lock); 954 lpfc_sli_ringpostbuf_put(phba, pring, mp1); 955 if (mp2) { 956 lpfc_sli_ringpostbuf_put(phba, pring, mp2); 957 } 958 } 959 pring->missbufcnt = 0; 960 return 0; 961 } 962 963 /************************************************************************/ 964 /* */ 965 /* lpfc_post_rcv_buf */ 966 /* This routine post initial rcv buffers to the configured rings */ 967 /* */ 968 /************************************************************************/ 969 static int 970 lpfc_post_rcv_buf(struct lpfc_hba * phba) 971 { 972 struct lpfc_sli *psli = &phba->sli; 973 974 /* Ring 0, ELS / CT buffers */ 975 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); 976 /* Ring 2 - FCP no buffers needed */ 977 978 return 0; 979 } 980 981 #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) 982 983 /************************************************************************/ 984 /* */ 985 /* lpfc_sha_init */ 986 /* */ 987 /************************************************************************/ 988 static void 989 lpfc_sha_init(uint32_t * HashResultPointer) 990 { 991 HashResultPointer[0] = 0x67452301; 992 HashResultPointer[1] = 0xEFCDAB89; 993 HashResultPointer[2] = 0x98BADCFE; 994 HashResultPointer[3] = 0x10325476; 995 HashResultPointer[4] = 0xC3D2E1F0; 996 } 997 998 /************************************************************************/ 999 /* */ 1000 /* lpfc_sha_iterate */ 1001 /* */ 1002 /************************************************************************/ 1003 static void 1004 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) 1005 { 1006 int t; 1007 uint32_t TEMP; 1008 uint32_t A, B, C, D, E; 1009 t = 16; 1010 do { 1011 HashWorkingPointer[t] = 1012 S(1, 1013 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - 1014 8] ^ 1015 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); 1016 } while (++t <= 79); 1017 t = 0; 1018 A = HashResultPointer[0]; 1019 B = HashResultPointer[1]; 1020 C = HashResultPointer[2]; 1021 D = HashResultPointer[3]; 1022 E = HashResultPointer[4]; 1023 1024 do { 1025 if (t < 20) { 1026 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; 1027 } else if (t < 40) { 1028 TEMP = (B ^ C ^ D) + 0x6ED9EBA1; 1029 } else if (t < 60) { 1030 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; 1031 } else { 1032 TEMP = (B ^ C ^ D) + 0xCA62C1D6; 1033 } 1034 TEMP += S(5, A) + E + HashWorkingPointer[t]; 1035 E = D; 1036 D = C; 1037 C = S(30, B); 1038 B = A; 1039 A = TEMP; 1040 } while (++t <= 79); 1041 1042 HashResultPointer[0] += A; 1043 HashResultPointer[1] += B; 1044 HashResultPointer[2] += C; 1045 HashResultPointer[3] += D; 1046 HashResultPointer[4] += E; 1047 1048 } 1049 1050 /************************************************************************/ 1051 /* */ 1052 /* lpfc_challenge_key */ 1053 /* */ 1054 /************************************************************************/ 1055 static void 1056 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) 1057 { 1058 *HashWorking = (*RandomChallenge ^ *HashWorking); 1059 } 1060 1061 /************************************************************************/ 1062 /* */ 1063 /* lpfc_hba_init */ 1064 /* */ 1065 /************************************************************************/ 1066 void 1067 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) 1068 { 1069 int t; 1070 uint32_t *HashWorking; 1071 uint32_t *pwwnn = phba->wwnn; 1072 1073 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL); 1074 if (!HashWorking) 1075 return; 1076 1077 memset(HashWorking, 0, (80 * sizeof(uint32_t))); 1078 HashWorking[0] = HashWorking[78] = *pwwnn++; 1079 HashWorking[1] = HashWorking[79] = *pwwnn; 1080 1081 for (t = 0; t < 7; t++) 1082 lpfc_challenge_key(phba->RandomData + t, HashWorking + t); 1083 1084 lpfc_sha_init(hbainit); 1085 lpfc_sha_iterate(hbainit, HashWorking); 1086 kfree(HashWorking); 1087 } 1088 1089 static void 1090 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind) 1091 { 1092 struct lpfc_nodelist *ndlp, *next_ndlp; 1093 1094 /* clean up phba - lpfc specific */ 1095 lpfc_can_disctmo(phba); 1096 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, 1097 nlp_listp) { 1098 lpfc_nlp_remove(phba, ndlp); 1099 } 1100 1101 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, 1102 nlp_listp) { 1103 lpfc_nlp_remove(phba, ndlp); 1104 } 1105 1106 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, 1107 nlp_listp) { 1108 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); 1109 } 1110 1111 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, 1112 nlp_listp) { 1113 lpfc_nlp_remove(phba, ndlp); 1114 } 1115 1116 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, 1117 nlp_listp) { 1118 lpfc_nlp_remove(phba, ndlp); 1119 } 1120 1121 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, 1122 nlp_listp) { 1123 lpfc_nlp_remove(phba, ndlp); 1124 } 1125 1126 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, 1127 nlp_listp) { 1128 lpfc_nlp_remove(phba, ndlp); 1129 } 1130 1131 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, 1132 nlp_listp) { 1133 lpfc_nlp_remove(phba, ndlp); 1134 } 1135 1136 INIT_LIST_HEAD(&phba->fc_nlpmap_list); 1137 INIT_LIST_HEAD(&phba->fc_nlpunmap_list); 1138 INIT_LIST_HEAD(&phba->fc_unused_list); 1139 INIT_LIST_HEAD(&phba->fc_plogi_list); 1140 INIT_LIST_HEAD(&phba->fc_adisc_list); 1141 INIT_LIST_HEAD(&phba->fc_reglogin_list); 1142 INIT_LIST_HEAD(&phba->fc_prli_list); 1143 INIT_LIST_HEAD(&phba->fc_npr_list); 1144 1145 phba->fc_map_cnt = 0; 1146 phba->fc_unmap_cnt = 0; 1147 phba->fc_plogi_cnt = 0; 1148 phba->fc_adisc_cnt = 0; 1149 phba->fc_reglogin_cnt = 0; 1150 phba->fc_prli_cnt = 0; 1151 phba->fc_npr_cnt = 0; 1152 phba->fc_unused_cnt= 0; 1153 return; 1154 } 1155 1156 static void 1157 lpfc_establish_link_tmo(unsigned long ptr) 1158 { 1159 struct lpfc_hba *phba = (struct lpfc_hba *)ptr; 1160 unsigned long iflag; 1161 1162 1163 /* Re-establishing Link, timer expired */ 1164 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1165 "%d:1300 Re-establishing Link, timer expired " 1166 "Data: x%x x%x\n", 1167 phba->brd_no, phba->fc_flag, phba->hba_state); 1168 spin_lock_irqsave(phba->host->host_lock, iflag); 1169 phba->fc_flag &= ~FC_ESTABLISH_LINK; 1170 spin_unlock_irqrestore(phba->host->host_lock, iflag); 1171 } 1172 1173 static int 1174 lpfc_stop_timer(struct lpfc_hba * phba) 1175 { 1176 struct lpfc_sli *psli = &phba->sli; 1177 1178 /* Instead of a timer, this has been converted to a 1179 * deferred procedding list. 1180 */ 1181 while (!list_empty(&phba->freebufList)) { 1182 1183 struct lpfc_dmabuf *mp = NULL; 1184 1185 list_remove_head((&phba->freebufList), mp, 1186 struct lpfc_dmabuf, list); 1187 if (mp) { 1188 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1189 kfree(mp); 1190 } 1191 } 1192 1193 del_timer_sync(&phba->fc_estabtmo); 1194 del_timer_sync(&phba->fc_disctmo); 1195 del_timer_sync(&phba->fc_fdmitmo); 1196 del_timer_sync(&phba->els_tmofunc); 1197 psli = &phba->sli; 1198 del_timer_sync(&psli->mbox_tmo); 1199 return(1); 1200 } 1201 1202 int 1203 lpfc_online(struct lpfc_hba * phba) 1204 { 1205 if (!phba) 1206 return 0; 1207 1208 if (!(phba->fc_flag & FC_OFFLINE_MODE)) 1209 return 0; 1210 1211 lpfc_printf_log(phba, 1212 KERN_WARNING, 1213 LOG_INIT, 1214 "%d:0458 Bring Adapter online\n", 1215 phba->brd_no); 1216 1217 if (!lpfc_sli_queue_setup(phba)) 1218 return 1; 1219 1220 if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ 1221 return 1; 1222 1223 spin_lock_irq(phba->host->host_lock); 1224 phba->fc_flag &= ~FC_OFFLINE_MODE; 1225 spin_unlock_irq(phba->host->host_lock); 1226 1227 return 0; 1228 } 1229 1230 int 1231 lpfc_offline(struct lpfc_hba * phba) 1232 { 1233 struct lpfc_sli_ring *pring; 1234 struct lpfc_sli *psli; 1235 unsigned long iflag; 1236 int i = 0; 1237 1238 if (!phba) 1239 return 0; 1240 1241 if (phba->fc_flag & FC_OFFLINE_MODE) 1242 return 0; 1243 1244 psli = &phba->sli; 1245 pring = &psli->ring[psli->fcp_ring]; 1246 1247 lpfc_linkdown(phba); 1248 1249 /* The linkdown event takes 30 seconds to timeout. */ 1250 while (pring->txcmplq_cnt) { 1251 mdelay(10); 1252 if (i++ > 3000) 1253 break; 1254 } 1255 1256 /* stop all timers associated with this hba */ 1257 lpfc_stop_timer(phba); 1258 phba->work_hba_events = 0; 1259 1260 lpfc_printf_log(phba, 1261 KERN_WARNING, 1262 LOG_INIT, 1263 "%d:0460 Bring Adapter offline\n", 1264 phba->brd_no); 1265 1266 /* Bring down the SLI Layer and cleanup. The HBA is offline 1267 now. */ 1268 lpfc_sli_hba_down(phba); 1269 lpfc_cleanup(phba, 1); 1270 spin_lock_irqsave(phba->host->host_lock, iflag); 1271 phba->fc_flag |= FC_OFFLINE_MODE; 1272 spin_unlock_irqrestore(phba->host->host_lock, iflag); 1273 return 0; 1274 } 1275 1276 /****************************************************************************** 1277 * Function name: lpfc_scsi_free 1278 * 1279 * Description: Called from lpfc_pci_remove_one free internal driver resources 1280 * 1281 ******************************************************************************/ 1282 static int 1283 lpfc_scsi_free(struct lpfc_hba * phba) 1284 { 1285 struct lpfc_scsi_buf *sb, *sb_next; 1286 struct lpfc_iocbq *io, *io_next; 1287 1288 spin_lock_irq(phba->host->host_lock); 1289 /* Release all the lpfc_scsi_bufs maintained by this host. */ 1290 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { 1291 list_del(&sb->list); 1292 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, 1293 sb->dma_handle); 1294 kfree(sb); 1295 phba->total_scsi_bufs--; 1296 } 1297 1298 /* Release all the lpfc_iocbq entries maintained by this host. */ 1299 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { 1300 list_del(&io->list); 1301 kfree(io); 1302 phba->total_iocbq_bufs--; 1303 } 1304 1305 spin_unlock_irq(phba->host->host_lock); 1306 1307 return 0; 1308 } 1309 1310 1311 static int __devinit 1312 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1313 { 1314 struct Scsi_Host *host; 1315 struct lpfc_hba *phba; 1316 struct lpfc_sli *psli; 1317 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; 1318 unsigned long bar0map_len, bar2map_len; 1319 int error = -ENODEV, retval; 1320 int i; 1321 uint16_t iotag; 1322 1323 if (pci_enable_device(pdev)) 1324 goto out; 1325 if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) 1326 goto out_disable_device; 1327 1328 host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba)); 1329 if (!host) 1330 goto out_release_regions; 1331 1332 phba = (struct lpfc_hba*)host->hostdata; 1333 memset(phba, 0, sizeof (struct lpfc_hba)); 1334 phba->host = host; 1335 1336 phba->fc_flag |= FC_LOADING; 1337 phba->pcidev = pdev; 1338 1339 /* Assign an unused board number */ 1340 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) 1341 goto out_put_host; 1342 1343 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no); 1344 if (error) 1345 goto out_put_host; 1346 1347 host->unique_id = phba->brd_no; 1348 init_MUTEX(&phba->hba_can_block); 1349 INIT_LIST_HEAD(&phba->ctrspbuflist); 1350 INIT_LIST_HEAD(&phba->rnidrspbuflist); 1351 INIT_LIST_HEAD(&phba->freebufList); 1352 1353 /* Initialize timers used by driver */ 1354 init_timer(&phba->fc_estabtmo); 1355 phba->fc_estabtmo.function = lpfc_establish_link_tmo; 1356 phba->fc_estabtmo.data = (unsigned long)phba; 1357 init_timer(&phba->fc_disctmo); 1358 phba->fc_disctmo.function = lpfc_disc_timeout; 1359 phba->fc_disctmo.data = (unsigned long)phba; 1360 1361 init_timer(&phba->fc_fdmitmo); 1362 phba->fc_fdmitmo.function = lpfc_fdmi_tmo; 1363 phba->fc_fdmitmo.data = (unsigned long)phba; 1364 init_timer(&phba->els_tmofunc); 1365 phba->els_tmofunc.function = lpfc_els_timeout; 1366 phba->els_tmofunc.data = (unsigned long)phba; 1367 psli = &phba->sli; 1368 init_timer(&psli->mbox_tmo); 1369 psli->mbox_tmo.function = lpfc_mbox_timeout; 1370 psli->mbox_tmo.data = (unsigned long)phba; 1371 1372 /* 1373 * Get all the module params for configuring this host and then 1374 * establish the host parameters. 1375 */ 1376 lpfc_get_cfgparam(phba); 1377 1378 host->max_id = LPFC_MAX_TARGET; 1379 host->max_lun = phba->cfg_max_luns; 1380 host->this_id = -1; 1381 1382 /* Initialize all internally managed lists. */ 1383 INIT_LIST_HEAD(&phba->fc_nlpmap_list); 1384 INIT_LIST_HEAD(&phba->fc_nlpunmap_list); 1385 INIT_LIST_HEAD(&phba->fc_unused_list); 1386 INIT_LIST_HEAD(&phba->fc_plogi_list); 1387 INIT_LIST_HEAD(&phba->fc_adisc_list); 1388 INIT_LIST_HEAD(&phba->fc_reglogin_list); 1389 INIT_LIST_HEAD(&phba->fc_prli_list); 1390 INIT_LIST_HEAD(&phba->fc_npr_list); 1391 1392 1393 pci_set_master(pdev); 1394 retval = pci_set_mwi(pdev); 1395 if (retval) 1396 dev_printk(KERN_WARNING, &pdev->dev, 1397 "Warning: pci_set_mwi returned %d\n", retval); 1398 1399 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) 1400 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) 1401 goto out_idr_remove; 1402 1403 /* 1404 * Get the bus address of Bar0 and Bar2 and the number of bytes 1405 * required by each mapping. 1406 */ 1407 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); 1408 bar0map_len = pci_resource_len(phba->pcidev, 0); 1409 1410 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); 1411 bar2map_len = pci_resource_len(phba->pcidev, 2); 1412 1413 /* Map HBA SLIM and Control Registers to a kernel virtual address. */ 1414 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); 1415 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); 1416 1417 /* Allocate memory for SLI-2 structures */ 1418 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, 1419 &phba->slim2p_mapping, GFP_KERNEL); 1420 if (!phba->slim2p) 1421 goto out_iounmap; 1422 1423 memset(phba->slim2p, 0, SLI2_SLIM_SIZE); 1424 1425 /* Initialize the SLI Layer to run with lpfc HBAs. */ 1426 lpfc_sli_setup(phba); 1427 lpfc_sli_queue_setup(phba); 1428 1429 error = lpfc_mem_alloc(phba); 1430 if (error) 1431 goto out_free_slim; 1432 1433 /* Initialize and populate the iocb list per host. */ 1434 INIT_LIST_HEAD(&phba->lpfc_iocb_list); 1435 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { 1436 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); 1437 if (iocbq_entry == NULL) { 1438 printk(KERN_ERR "%s: only allocated %d iocbs of " 1439 "expected %d count. Unloading driver.\n", 1440 __FUNCTION__, i, LPFC_IOCB_LIST_CNT); 1441 error = -ENOMEM; 1442 goto out_free_iocbq; 1443 } 1444 1445 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); 1446 iotag = lpfc_sli_next_iotag(phba, iocbq_entry); 1447 if (iotag == 0) { 1448 kfree (iocbq_entry); 1449 printk(KERN_ERR "%s: failed to allocate IOTAG. " 1450 "Unloading driver.\n", 1451 __FUNCTION__); 1452 error = -ENOMEM; 1453 goto out_free_iocbq; 1454 } 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