1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
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 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
40 #include "lpfc_disc.h"
41 #include "lpfc_scsi.h"
43 #include "lpfc_logmsg.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_vport.h"
46 #include "lpfc_version.h"
49 unsigned long _dump_buf_data_order;
51 unsigned long _dump_buf_dif_order;
52 spinlock_t _dump_buf_lock;
54 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
55 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
56 static int lpfc_post_rcv_buf(struct lpfc_hba *);
58 static struct scsi_transport_template *lpfc_transport_template = NULL;
59 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
60 static DEFINE_IDR(lpfc_hba_index);
63 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
64 * @phba: pointer to lpfc hba data structure.
66 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
67 * mailbox command. It retrieves the revision information from the HBA and
68 * collects the Vital Product Data (VPD) about the HBA for preparing the
69 * configuration of the HBA.
73 * -ERESTART - requests the SLI layer to reset the HBA and try again.
74 * Any other value - indicates an error.
77 lpfc_config_port_prep(struct lpfc_hba *phba)
79 lpfc_vpd_t *vp = &phba->vpd;
83 char *lpfc_vpd_data = NULL;
85 static char licensed[56] =
86 "key unlock for use with gnu public licensed code only\0";
87 static int init_key = 1;
89 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
91 phba->link_state = LPFC_HBA_ERROR;
96 phba->link_state = LPFC_INIT_MBX_CMDS;
98 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
100 uint32_t *ptext = (uint32_t *) licensed;
102 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
103 *ptext = cpu_to_be32(*ptext);
107 lpfc_read_nv(phba, pmb);
108 memset((char*)mb->un.varRDnvp.rsvd3, 0,
109 sizeof (mb->un.varRDnvp.rsvd3));
110 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
113 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
115 if (rc != MBX_SUCCESS) {
116 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
117 "0324 Config Port initialization "
118 "error, mbxCmd x%x READ_NVPARM, "
120 mb->mbxCommand, mb->mbxStatus);
121 mempool_free(pmb, phba->mbox_mem_pool);
124 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
126 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
130 phba->sli3_options = 0x0;
132 /* Setup and issue mailbox READ REV command */
133 lpfc_read_rev(phba, pmb);
134 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
135 if (rc != MBX_SUCCESS) {
136 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
137 "0439 Adapter failed to init, mbxCmd x%x "
138 "READ_REV, mbxStatus x%x\n",
139 mb->mbxCommand, mb->mbxStatus);
140 mempool_free( pmb, phba->mbox_mem_pool);
146 * The value of rr must be 1 since the driver set the cv field to 1.
147 * This setting requires the FW to set all revision fields.
149 if (mb->un.varRdRev.rr == 0) {
151 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
152 "0440 Adapter failed to init, READ_REV has "
153 "missing revision information.\n");
154 mempool_free(pmb, phba->mbox_mem_pool);
158 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
159 mempool_free(pmb, phba->mbox_mem_pool);
163 /* Save information as VPD data */
165 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
166 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
167 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
168 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
169 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
170 vp->rev.biuRev = mb->un.varRdRev.biuRev;
171 vp->rev.smRev = mb->un.varRdRev.smRev;
172 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
173 vp->rev.endecRev = mb->un.varRdRev.endecRev;
174 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
175 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
176 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
177 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
178 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
179 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
181 /* If the sli feature level is less then 9, we must
182 * tear down all RPIs and VPIs on link down if NPIV
185 if (vp->rev.feaLevelHigh < 9)
186 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
188 if (lpfc_is_LC_HBA(phba->pcidev->device))
189 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
190 sizeof (phba->RandomData));
192 /* Get adapter VPD information */
193 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
198 lpfc_dump_mem(phba, pmb, offset);
199 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
201 if (rc != MBX_SUCCESS) {
202 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
203 "0441 VPD not present on adapter, "
204 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
205 mb->mbxCommand, mb->mbxStatus);
206 mb->un.varDmp.word_cnt = 0;
208 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
209 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
210 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
211 lpfc_vpd_data + offset,
212 mb->un.varDmp.word_cnt);
213 offset += mb->un.varDmp.word_cnt;
214 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
215 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
217 kfree(lpfc_vpd_data);
219 mempool_free(pmb, phba->mbox_mem_pool);
224 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
225 * @phba: pointer to lpfc hba data structure.
226 * @pmboxq: pointer to the driver internal queue element for mailbox command.
228 * This is the completion handler for driver's configuring asynchronous event
229 * mailbox command to the device. If the mailbox command returns successfully,
230 * it will set internal async event support flag to 1; otherwise, it will
231 * set internal async event support flag to 0.
234 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
236 if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
237 phba->temp_sensor_support = 1;
239 phba->temp_sensor_support = 0;
240 mempool_free(pmboxq, phba->mbox_mem_pool);
245 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
246 * @phba: pointer to lpfc hba data structure.
247 * @pmboxq: pointer to the driver internal queue element for mailbox command.
249 * This is the completion handler for dump mailbox command for getting
250 * wake up parameters. When this command complete, the response contain
251 * Option rom version of the HBA. This function translate the version number
252 * into a human readable string and store it in OptionROMVersion.
255 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
258 uint32_t prog_id_word;
260 /* character array used for decoding dist type. */
261 char dist_char[] = "nabx";
263 if (pmboxq->mb.mbxStatus != MBX_SUCCESS) {
264 mempool_free(pmboxq, phba->mbox_mem_pool);
268 prg = (struct prog_id *) &prog_id_word;
270 /* word 7 contain option rom version */
271 prog_id_word = pmboxq->mb.un.varWords[7];
273 /* Decode the Option rom version word to a readable string */
275 dist = dist_char[prg->dist];
277 if ((prg->dist == 3) && (prg->num == 0))
278 sprintf(phba->OptionROMVersion, "%d.%d%d",
279 prg->ver, prg->rev, prg->lev);
281 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
282 prg->ver, prg->rev, prg->lev,
284 mempool_free(pmboxq, phba->mbox_mem_pool);
289 * lpfc_config_port_post - Perform lpfc initialization after config port
290 * @phba: pointer to lpfc hba data structure.
292 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
293 * command call. It performs all internal resource and state setups on the
294 * port: post IOCB buffers, enable appropriate host interrupt attentions,
295 * ELS ring timers, etc.
299 * Any other value - error.
302 lpfc_config_port_post(struct lpfc_hba *phba)
304 struct lpfc_vport *vport = phba->pport;
307 struct lpfc_dmabuf *mp;
308 struct lpfc_sli *psli = &phba->sli;
309 uint32_t status, timeout;
313 spin_lock_irq(&phba->hbalock);
315 * If the Config port completed correctly the HBA is not
316 * over heated any more.
318 if (phba->over_temp_state == HBA_OVER_TEMP)
319 phba->over_temp_state = HBA_NORMAL_TEMP;
320 spin_unlock_irq(&phba->hbalock);
322 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
324 phba->link_state = LPFC_HBA_ERROR;
329 /* Get login parameters for NID. */
330 lpfc_read_sparam(phba, pmb, 0);
332 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
333 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
334 "0448 Adapter failed init, mbxCmd x%x "
335 "READ_SPARM mbxStatus x%x\n",
336 mb->mbxCommand, mb->mbxStatus);
337 phba->link_state = LPFC_HBA_ERROR;
338 mp = (struct lpfc_dmabuf *) pmb->context1;
339 mempool_free( pmb, phba->mbox_mem_pool);
340 lpfc_mbuf_free(phba, mp->virt, mp->phys);
345 mp = (struct lpfc_dmabuf *) pmb->context1;
347 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
348 lpfc_mbuf_free(phba, mp->virt, mp->phys);
350 pmb->context1 = NULL;
352 if (phba->cfg_soft_wwnn)
353 u64_to_wwn(phba->cfg_soft_wwnn,
354 vport->fc_sparam.nodeName.u.wwn);
355 if (phba->cfg_soft_wwpn)
356 u64_to_wwn(phba->cfg_soft_wwpn,
357 vport->fc_sparam.portName.u.wwn);
358 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
359 sizeof (struct lpfc_name));
360 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
361 sizeof (struct lpfc_name));
362 /* If no serial number in VPD data, use low 6 bytes of WWNN */
363 /* This should be consolidated into parse_vpd ? - mr */
364 if (phba->SerialNumber[0] == 0) {
367 outptr = &vport->fc_nodename.u.s.IEEE[0];
368 for (i = 0; i < 12; i++) {
370 j = ((status & 0xf0) >> 4);
372 phba->SerialNumber[i] =
373 (char)((uint8_t) 0x30 + (uint8_t) j);
375 phba->SerialNumber[i] =
376 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
380 phba->SerialNumber[i] =
381 (char)((uint8_t) 0x30 + (uint8_t) j);
383 phba->SerialNumber[i] =
384 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
388 lpfc_read_config(phba, pmb);
390 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
391 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
392 "0453 Adapter failed to init, mbxCmd x%x "
393 "READ_CONFIG, mbxStatus x%x\n",
394 mb->mbxCommand, mb->mbxStatus);
395 phba->link_state = LPFC_HBA_ERROR;
396 mempool_free( pmb, phba->mbox_mem_pool);
400 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
401 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
402 phba->cfg_hba_queue_depth =
403 mb->un.varRdConfig.max_xri + 1;
405 phba->lmt = mb->un.varRdConfig.lmt;
407 /* Get the default values for Model Name and Description */
408 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
410 if ((phba->cfg_link_speed > LINK_SPEED_10G)
411 || ((phba->cfg_link_speed == LINK_SPEED_1G)
412 && !(phba->lmt & LMT_1Gb))
413 || ((phba->cfg_link_speed == LINK_SPEED_2G)
414 && !(phba->lmt & LMT_2Gb))
415 || ((phba->cfg_link_speed == LINK_SPEED_4G)
416 && !(phba->lmt & LMT_4Gb))
417 || ((phba->cfg_link_speed == LINK_SPEED_8G)
418 && !(phba->lmt & LMT_8Gb))
419 || ((phba->cfg_link_speed == LINK_SPEED_10G)
420 && !(phba->lmt & LMT_10Gb))) {
421 /* Reset link speed to auto */
422 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
423 "1302 Invalid speed for this board: "
424 "Reset link speed to auto: x%x\n",
425 phba->cfg_link_speed);
426 phba->cfg_link_speed = LINK_SPEED_AUTO;
429 phba->link_state = LPFC_LINK_DOWN;
431 /* Only process IOCBs on ELS ring till hba_state is READY */
432 if (psli->ring[psli->extra_ring].cmdringaddr)
433 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
434 if (psli->ring[psli->fcp_ring].cmdringaddr)
435 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
436 if (psli->ring[psli->next_ring].cmdringaddr)
437 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
439 /* Post receive buffers for desired rings */
440 if (phba->sli_rev != 3)
441 lpfc_post_rcv_buf(phba);
444 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
446 if (phba->intr_type == MSIX) {
447 rc = lpfc_config_msi(phba, pmb);
449 mempool_free(pmb, phba->mbox_mem_pool);
452 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
453 if (rc != MBX_SUCCESS) {
454 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
455 "0352 Config MSI mailbox command "
456 "failed, mbxCmd x%x, mbxStatus x%x\n",
457 pmb->mb.mbxCommand, pmb->mb.mbxStatus);
458 mempool_free(pmb, phba->mbox_mem_pool);
463 /* Initialize ERATT handling flag */
464 phba->hba_flag &= ~HBA_ERATT_HANDLED;
466 /* Enable appropriate host interrupts */
467 spin_lock_irq(&phba->hbalock);
468 status = readl(phba->HCregaddr);
469 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
470 if (psli->num_rings > 0)
471 status |= HC_R0INT_ENA;
472 if (psli->num_rings > 1)
473 status |= HC_R1INT_ENA;
474 if (psli->num_rings > 2)
475 status |= HC_R2INT_ENA;
476 if (psli->num_rings > 3)
477 status |= HC_R3INT_ENA;
479 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
480 (phba->cfg_poll & DISABLE_FCP_RING_INT))
481 status &= ~(HC_R0INT_ENA);
483 writel(status, phba->HCregaddr);
484 readl(phba->HCregaddr); /* flush */
485 spin_unlock_irq(&phba->hbalock);
487 /* Set up ring-0 (ELS) timer */
488 timeout = phba->fc_ratov * 2;
489 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
490 /* Set up heart beat (HB) timer */
491 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
492 phba->hb_outstanding = 0;
493 phba->last_completion_time = jiffies;
494 /* Set up error attention (ERATT) polling timer */
495 mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
497 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
498 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
499 lpfc_set_loopback_flag(phba);
500 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
501 if (rc != MBX_SUCCESS) {
502 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
503 "0454 Adapter failed to init, mbxCmd x%x "
504 "INIT_LINK, mbxStatus x%x\n",
505 mb->mbxCommand, mb->mbxStatus);
507 /* Clear all interrupt enable conditions */
508 writel(0, phba->HCregaddr);
509 readl(phba->HCregaddr); /* flush */
510 /* Clear all pending interrupts */
511 writel(0xffffffff, phba->HAregaddr);
512 readl(phba->HAregaddr); /* flush */
514 phba->link_state = LPFC_HBA_ERROR;
516 mempool_free(pmb, phba->mbox_mem_pool);
519 /* MBOX buffer will be freed in mbox compl */
520 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
521 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
522 pmb->mbox_cmpl = lpfc_config_async_cmpl;
523 pmb->vport = phba->pport;
524 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
526 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
527 lpfc_printf_log(phba,
530 "0456 Adapter failed to issue "
531 "ASYNCEVT_ENABLE mbox status x%x \n.",
533 mempool_free(pmb, phba->mbox_mem_pool);
536 /* Get Option rom version */
537 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
538 lpfc_dump_wakeup_param(phba, pmb);
539 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
540 pmb->vport = phba->pport;
541 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
543 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
544 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
545 "to get Option ROM version status x%x\n.", rc);
546 mempool_free(pmb, phba->mbox_mem_pool);
553 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
554 * @phba: pointer to lpfc HBA data structure.
556 * This routine will do LPFC uninitialization before the HBA is reset when
557 * bringing down the SLI Layer.
561 * Any other value - error.
564 lpfc_hba_down_prep(struct lpfc_hba *phba)
566 struct lpfc_vport **vports;
568 /* Disable interrupts */
569 writel(0, phba->HCregaddr);
570 readl(phba->HCregaddr); /* flush */
572 if (phba->pport->load_flag & FC_UNLOADING)
573 lpfc_cleanup_discovery_resources(phba->pport);
575 vports = lpfc_create_vport_work_array(phba);
577 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
578 lpfc_cleanup_discovery_resources(vports[i]);
579 lpfc_destroy_vport_work_array(phba, vports);
585 * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset
586 * @phba: pointer to lpfc HBA data structure.
588 * This routine will do uninitialization after the HBA is reset when bring
589 * down the SLI Layer.
593 * Any other value - error.
596 lpfc_hba_down_post(struct lpfc_hba *phba)
598 struct lpfc_sli *psli = &phba->sli;
599 struct lpfc_sli_ring *pring;
600 struct lpfc_dmabuf *mp, *next_mp;
601 struct lpfc_iocbq *iocb;
603 LIST_HEAD(completions);
606 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
607 lpfc_sli_hbqbuf_free_all(phba);
609 /* Cleanup preposted buffers on the ELS ring */
610 pring = &psli->ring[LPFC_ELS_RING];
611 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
613 pring->postbufq_cnt--;
614 lpfc_mbuf_free(phba, mp->virt, mp->phys);
619 spin_lock_irq(&phba->hbalock);
620 for (i = 0; i < psli->num_rings; i++) {
621 pring = &psli->ring[i];
623 /* At this point in time the HBA is either reset or DOA. Either
624 * way, nothing should be on txcmplq as it will NEVER complete.
626 list_splice_init(&pring->txcmplq, &completions);
627 pring->txcmplq_cnt = 0;
628 spin_unlock_irq(&phba->hbalock);
630 while (!list_empty(&completions)) {
631 iocb = list_get_first(&completions, struct lpfc_iocbq,
634 list_del_init(&iocb->list);
636 if (!iocb->iocb_cmpl)
637 lpfc_sli_release_iocbq(phba, iocb);
639 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
640 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
641 (iocb->iocb_cmpl) (phba, iocb, iocb);
645 lpfc_sli_abort_iocb_ring(phba, pring);
646 spin_lock_irq(&phba->hbalock);
648 spin_unlock_irq(&phba->hbalock);
654 * lpfc_hb_timeout - The HBA-timer timeout handler
655 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
657 * This is the HBA-timer timeout handler registered to the lpfc driver. When
658 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
659 * work-port-events bitmap and the worker thread is notified. This timeout
660 * event will be used by the worker thread to invoke the actual timeout
661 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
662 * be performed in the timeout handler and the HBA timeout event bit shall
663 * be cleared by the worker thread after it has taken the event bitmap out.
666 lpfc_hb_timeout(unsigned long ptr)
668 struct lpfc_hba *phba;
672 phba = (struct lpfc_hba *)ptr;
674 /* Check for heart beat timeout conditions */
675 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
676 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
678 phba->pport->work_port_events |= WORKER_HB_TMO;
679 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
681 /* Tell the worker thread there is work to do */
683 lpfc_worker_wake_up(phba);
688 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
689 * @phba: pointer to lpfc hba data structure.
690 * @pmboxq: pointer to the driver internal queue element for mailbox command.
692 * This is the callback function to the lpfc heart-beat mailbox command.
693 * If configured, the lpfc driver issues the heart-beat mailbox command to
694 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
695 * heart-beat mailbox command is issued, the driver shall set up heart-beat
696 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
697 * heart-beat outstanding state. Once the mailbox command comes back and
698 * no error conditions detected, the heart-beat mailbox command timer is
699 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
700 * state is cleared for the next heart-beat. If the timer expired with the
701 * heart-beat outstanding state set, the driver will put the HBA offline.
704 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
706 unsigned long drvr_flag;
708 spin_lock_irqsave(&phba->hbalock, drvr_flag);
709 phba->hb_outstanding = 0;
710 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
712 /* Check and reset heart-beat timer is necessary */
713 mempool_free(pmboxq, phba->mbox_mem_pool);
714 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
715 !(phba->link_state == LPFC_HBA_ERROR) &&
716 !(phba->pport->load_flag & FC_UNLOADING))
717 mod_timer(&phba->hb_tmofunc,
718 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
723 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
724 * @phba: pointer to lpfc hba data structure.
726 * This is the actual HBA-timer timeout handler to be invoked by the worker
727 * thread whenever the HBA timer fired and HBA-timeout event posted. This
728 * handler performs any periodic operations needed for the device. If such
729 * periodic event has already been attended to either in the interrupt handler
730 * or by processing slow-ring or fast-ring events within the HBA-timer
731 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
732 * the timer for the next timeout period. If lpfc heart-beat mailbox command
733 * is configured and there is no heart-beat mailbox command outstanding, a
734 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
735 * has been a heart-beat mailbox command outstanding, the HBA shall be put
739 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
741 LPFC_MBOXQ_t *pmboxq;
742 struct lpfc_dmabuf *buf_ptr;
744 struct lpfc_sli *psli = &phba->sli;
745 LIST_HEAD(completions);
747 if ((phba->link_state == LPFC_HBA_ERROR) ||
748 (phba->pport->load_flag & FC_UNLOADING) ||
749 (phba->pport->fc_flag & FC_OFFLINE_MODE))
752 spin_lock_irq(&phba->pport->work_port_lock);
754 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
756 spin_unlock_irq(&phba->pport->work_port_lock);
757 if (!phba->hb_outstanding)
758 mod_timer(&phba->hb_tmofunc,
759 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
761 mod_timer(&phba->hb_tmofunc,
762 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
765 spin_unlock_irq(&phba->pport->work_port_lock);
767 if (phba->elsbuf_cnt &&
768 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
769 spin_lock_irq(&phba->hbalock);
770 list_splice_init(&phba->elsbuf, &completions);
771 phba->elsbuf_cnt = 0;
772 phba->elsbuf_prev_cnt = 0;
773 spin_unlock_irq(&phba->hbalock);
775 while (!list_empty(&completions)) {
776 list_remove_head(&completions, buf_ptr,
777 struct lpfc_dmabuf, list);
778 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
782 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
784 /* If there is no heart beat outstanding, issue a heartbeat command */
785 if (phba->cfg_enable_hba_heartbeat) {
786 if (!phba->hb_outstanding) {
787 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
789 mod_timer(&phba->hb_tmofunc,
790 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
794 lpfc_heart_beat(phba, pmboxq);
795 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
796 pmboxq->vport = phba->pport;
797 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
799 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
800 mempool_free(pmboxq, phba->mbox_mem_pool);
801 mod_timer(&phba->hb_tmofunc,
802 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
805 mod_timer(&phba->hb_tmofunc,
806 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
807 phba->hb_outstanding = 1;
811 * If heart beat timeout called with hb_outstanding set
812 * we need to take the HBA offline.
814 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
815 "0459 Adapter heartbeat failure, "
816 "taking this port offline.\n");
818 spin_lock_irq(&phba->hbalock);
819 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
820 spin_unlock_irq(&phba->hbalock);
822 lpfc_offline_prep(phba);
824 lpfc_unblock_mgmt_io(phba);
825 phba->link_state = LPFC_HBA_ERROR;
826 lpfc_hba_down_post(phba);
832 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
833 * @phba: pointer to lpfc hba data structure.
835 * This routine is called to bring the HBA offline when HBA hardware error
836 * other than Port Error 6 has been detected.
839 lpfc_offline_eratt(struct lpfc_hba *phba)
841 struct lpfc_sli *psli = &phba->sli;
843 spin_lock_irq(&phba->hbalock);
844 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
845 spin_unlock_irq(&phba->hbalock);
846 lpfc_offline_prep(phba);
849 lpfc_reset_barrier(phba);
850 lpfc_sli_brdreset(phba);
851 lpfc_hba_down_post(phba);
852 lpfc_sli_brdready(phba, HS_MBRDY);
853 lpfc_unblock_mgmt_io(phba);
854 phba->link_state = LPFC_HBA_ERROR;
859 * lpfc_handle_eratt - The HBA hardware error handler
860 * @phba: pointer to lpfc hba data structure.
862 * This routine is invoked to handle the following HBA hardware error
864 * 1 - HBA error attention interrupt
865 * 2 - DMA ring index out of range
866 * 3 - Mailbox command came back as unknown
869 lpfc_handle_eratt(struct lpfc_hba *phba)
871 struct lpfc_vport *vport = phba->pport;
872 struct lpfc_sli *psli = &phba->sli;
873 struct lpfc_sli_ring *pring;
875 unsigned long temperature;
876 struct temp_event temp_event_data;
877 struct Scsi_Host *shost;
878 struct lpfc_board_event_header board_event;
880 /* If the pci channel is offline, ignore possible errors,
881 * since we cannot communicate with the pci card anyway. */
882 if (pci_channel_offline(phba->pcidev))
884 /* If resets are disabled then leave the HBA alone and return */
885 if (!phba->cfg_enable_hba_reset)
888 /* Send an internal error event to mgmt application */
889 board_event.event_type = FC_REG_BOARD_EVENT;
890 board_event.subcategory = LPFC_EVENT_PORTINTERR;
891 shost = lpfc_shost_from_vport(phba->pport);
892 fc_host_post_vendor_event(shost, fc_get_event_number(),
894 (char *) &board_event,
897 if (phba->work_hs & HS_FFER6) {
898 /* Re-establishing Link */
899 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
900 "1301 Re-establishing Link "
901 "Data: x%x x%x x%x\n",
903 phba->work_status[0], phba->work_status[1]);
905 spin_lock_irq(&phba->hbalock);
906 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
907 spin_unlock_irq(&phba->hbalock);
910 * Firmware stops when it triggled erratt with HS_FFER6.
911 * That could cause the I/Os dropped by the firmware.
912 * Error iocb (I/O) on txcmplq and let the SCSI layer
913 * retry it after re-establishing link.
915 pring = &psli->ring[psli->fcp_ring];
916 lpfc_sli_abort_iocb_ring(phba, pring);
919 * There was a firmware error. Take the hba offline and then
920 * attempt to restart it.
922 lpfc_offline_prep(phba);
924 lpfc_sli_brdrestart(phba);
925 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
926 lpfc_unblock_mgmt_io(phba);
929 lpfc_unblock_mgmt_io(phba);
930 } else if (phba->work_hs & HS_CRIT_TEMP) {
931 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
932 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
933 temp_event_data.event_code = LPFC_CRIT_TEMP;
934 temp_event_data.data = (uint32_t)temperature;
936 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
937 "0406 Adapter maximum temperature exceeded "
938 "(%ld), taking this port offline "
939 "Data: x%x x%x x%x\n",
940 temperature, phba->work_hs,
941 phba->work_status[0], phba->work_status[1]);
943 shost = lpfc_shost_from_vport(phba->pport);
944 fc_host_post_vendor_event(shost, fc_get_event_number(),
945 sizeof(temp_event_data),
946 (char *) &temp_event_data,
948 | PCI_VENDOR_ID_EMULEX);
950 spin_lock_irq(&phba->hbalock);
951 phba->over_temp_state = HBA_OVER_TEMP;
952 spin_unlock_irq(&phba->hbalock);
953 lpfc_offline_eratt(phba);
956 /* The if clause above forces this code path when the status
957 * failure is a value other than FFER6. Do not call the offline
958 * twice. This is the adapter hardware error path.
960 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
961 "0457 Adapter Hardware Error "
962 "Data: x%x x%x x%x\n",
964 phba->work_status[0], phba->work_status[1]);
966 event_data = FC_REG_DUMP_EVENT;
967 shost = lpfc_shost_from_vport(vport);
968 fc_host_post_vendor_event(shost, fc_get_event_number(),
969 sizeof(event_data), (char *) &event_data,
970 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
972 lpfc_offline_eratt(phba);
978 * lpfc_handle_latt - The HBA link event handler
979 * @phba: pointer to lpfc hba data structure.
981 * This routine is invoked from the worker thread to handle a HBA host
982 * attention link event.
985 lpfc_handle_latt(struct lpfc_hba *phba)
987 struct lpfc_vport *vport = phba->pport;
988 struct lpfc_sli *psli = &phba->sli;
990 volatile uint32_t control;
991 struct lpfc_dmabuf *mp;
994 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
997 goto lpfc_handle_latt_err_exit;
1000 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1003 goto lpfc_handle_latt_free_pmb;
1006 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
1009 goto lpfc_handle_latt_free_mp;
1012 /* Cleanup any outstanding ELS commands */
1013 lpfc_els_flush_all_cmd(phba);
1015 psli->slistat.link_event++;
1016 lpfc_read_la(phba, pmb, mp);
1017 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
1019 /* Block ELS IOCBs until we have processed this mbox command */
1020 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
1021 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
1022 if (rc == MBX_NOT_FINISHED) {
1024 goto lpfc_handle_latt_free_mbuf;
1027 /* Clear Link Attention in HA REG */
1028 spin_lock_irq(&phba->hbalock);
1029 writel(HA_LATT, phba->HAregaddr);
1030 readl(phba->HAregaddr); /* flush */
1031 spin_unlock_irq(&phba->hbalock);
1035 lpfc_handle_latt_free_mbuf:
1036 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
1037 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1038 lpfc_handle_latt_free_mp:
1040 lpfc_handle_latt_free_pmb:
1041 mempool_free(pmb, phba->mbox_mem_pool);
1042 lpfc_handle_latt_err_exit:
1043 /* Enable Link attention interrupts */
1044 spin_lock_irq(&phba->hbalock);
1045 psli->sli_flag |= LPFC_PROCESS_LA;
1046 control = readl(phba->HCregaddr);
1047 control |= HC_LAINT_ENA;
1048 writel(control, phba->HCregaddr);
1049 readl(phba->HCregaddr); /* flush */
1051 /* Clear Link Attention in HA REG */
1052 writel(HA_LATT, phba->HAregaddr);
1053 readl(phba->HAregaddr); /* flush */
1054 spin_unlock_irq(&phba->hbalock);
1055 lpfc_linkdown(phba);
1056 phba->link_state = LPFC_HBA_ERROR;
1058 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1059 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
1065 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1066 * @phba: pointer to lpfc hba data structure.
1067 * @vpd: pointer to the vital product data.
1068 * @len: length of the vital product data in bytes.
1070 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1071 * an array of characters. In this routine, the ModelName, ProgramType, and
1072 * ModelDesc, etc. fields of the phba data structure will be populated.
1075 * 0 - pointer to the VPD passed in is NULL
1079 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
1081 uint8_t lenlo, lenhi;
1091 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1092 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1093 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1095 while (!finished && (index < (len - 4))) {
1096 switch (vpd[index]) {
1104 i = ((((unsigned short)lenhi) << 8) + lenlo);
1113 Length = ((((unsigned short)lenhi) << 8) + lenlo);
1114 if (Length > len - index)
1115 Length = len - index;
1116 while (Length > 0) {
1117 /* Look for Serial Number */
1118 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1125 phba->SerialNumber[j++] = vpd[index++];
1129 phba->SerialNumber[j] = 0;
1132 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1133 phba->vpd_flag |= VPD_MODEL_DESC;
1140 phba->ModelDesc[j++] = vpd[index++];
1144 phba->ModelDesc[j] = 0;
1147 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1148 phba->vpd_flag |= VPD_MODEL_NAME;
1155 phba->ModelName[j++] = vpd[index++];
1159 phba->ModelName[j] = 0;
1162 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1163 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1170 phba->ProgramType[j++] = vpd[index++];
1174 phba->ProgramType[j] = 0;
1177 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1178 phba->vpd_flag |= VPD_PORT;
1185 phba->Port[j++] = vpd[index++];
1215 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1216 * @phba: pointer to lpfc hba data structure.
1217 * @mdp: pointer to the data structure to hold the derived model name.
1218 * @descp: pointer to the data structure to hold the derived description.
1220 * This routine retrieves HBA's description based on its registered PCI device
1221 * ID. The @descp passed into this function points to an array of 256 chars. It
1222 * shall be returned with the model name, maximum speed, and the host bus type.
1223 * The @mdp passed into this function points to an array of 80 chars. When the
1224 * function returns, the @mdp will be filled with the model name.
1227 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1230 uint16_t dev_id = phba->pcidev->device;
1237 } m = {"<Unknown>", 0, ""};
1239 if (mdp && mdp[0] != '\0'
1240 && descp && descp[0] != '\0')
1243 if (phba->lmt & LMT_10Gb)
1245 else if (phba->lmt & LMT_8Gb)
1247 else if (phba->lmt & LMT_4Gb)
1249 else if (phba->lmt & LMT_2Gb)
1257 case PCI_DEVICE_ID_FIREFLY:
1258 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1260 case PCI_DEVICE_ID_SUPERFLY:
1261 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1262 m = (typeof(m)){"LP7000", max_speed, "PCI"};
1264 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1266 case PCI_DEVICE_ID_DRAGONFLY:
1267 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1269 case PCI_DEVICE_ID_CENTAUR:
1270 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1271 m = (typeof(m)){"LP9002", max_speed, "PCI"};
1273 m = (typeof(m)){"LP9000", max_speed, "PCI"};
1275 case PCI_DEVICE_ID_RFLY:
1276 m = (typeof(m)){"LP952", max_speed, "PCI"};
1278 case PCI_DEVICE_ID_PEGASUS:
1279 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1281 case PCI_DEVICE_ID_THOR:
1282 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1284 case PCI_DEVICE_ID_VIPER:
1285 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
1287 case PCI_DEVICE_ID_PFLY:
1288 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1290 case PCI_DEVICE_ID_TFLY:
1291 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1293 case PCI_DEVICE_ID_HELIOS:
1294 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1296 case PCI_DEVICE_ID_HELIOS_SCSP:
1297 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1299 case PCI_DEVICE_ID_HELIOS_DCSP:
1300 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1302 case PCI_DEVICE_ID_NEPTUNE:
1303 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1305 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1306 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1308 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1309 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1311 case PCI_DEVICE_ID_BMID:
1312 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1314 case PCI_DEVICE_ID_BSMB:
1315 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1317 case PCI_DEVICE_ID_ZEPHYR:
1318 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1320 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1321 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1323 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1324 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1326 case PCI_DEVICE_ID_ZMID:
1327 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1329 case PCI_DEVICE_ID_ZSMB:
1330 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1332 case PCI_DEVICE_ID_LP101:
1333 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1335 case PCI_DEVICE_ID_LP10000S:
1336 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1338 case PCI_DEVICE_ID_LP11000S:
1339 m = (typeof(m)){"LP11000-S", max_speed,
1342 case PCI_DEVICE_ID_LPE11000S:
1343 m = (typeof(m)){"LPe11000-S", max_speed,
1346 case PCI_DEVICE_ID_SAT:
1347 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1349 case PCI_DEVICE_ID_SAT_MID:
1350 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1352 case PCI_DEVICE_ID_SAT_SMB:
1353 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1355 case PCI_DEVICE_ID_SAT_DCSP:
1356 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1358 case PCI_DEVICE_ID_SAT_SCSP:
1359 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1361 case PCI_DEVICE_ID_SAT_S:
1362 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1364 case PCI_DEVICE_ID_HORNET:
1365 m = (typeof(m)){"LP21000", max_speed, "PCIe"};
1368 case PCI_DEVICE_ID_PROTEUS_VF:
1369 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1371 case PCI_DEVICE_ID_PROTEUS_PF:
1372 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1374 case PCI_DEVICE_ID_PROTEUS_S:
1375 m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
1378 m = (typeof(m)){ NULL };
1382 if (mdp && mdp[0] == '\0')
1383 snprintf(mdp, 79,"%s", m.name);
1384 if (descp && descp[0] == '\0')
1385 snprintf(descp, 255,
1386 "Emulex %s %d%s %s %s",
1387 m.name, m.max_speed,
1390 (GE) ? "FCoE Adapter" : "Fibre Channel Adapter");
1394 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1395 * @phba: pointer to lpfc hba data structure.
1396 * @pring: pointer to a IOCB ring.
1397 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1399 * This routine posts a given number of IOCBs with the associated DMA buffer
1400 * descriptors specified by the cnt argument to the given IOCB ring.
1403 * The number of IOCBs NOT able to be posted to the IOCB ring.
1406 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
1409 struct lpfc_iocbq *iocb;
1410 struct lpfc_dmabuf *mp1, *mp2;
1412 cnt += pring->missbufcnt;
1414 /* While there are buffers to post */
1416 /* Allocate buffer for command iocb */
1417 iocb = lpfc_sli_get_iocbq(phba);
1419 pring->missbufcnt = cnt;
1424 /* 2 buffers can be posted per command */
1425 /* Allocate buffer to post */
1426 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1428 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1429 if (!mp1 || !mp1->virt) {
1431 lpfc_sli_release_iocbq(phba, iocb);
1432 pring->missbufcnt = cnt;
1436 INIT_LIST_HEAD(&mp1->list);
1437 /* Allocate buffer to post */
1439 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1441 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1443 if (!mp2 || !mp2->virt) {
1445 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1447 lpfc_sli_release_iocbq(phba, iocb);
1448 pring->missbufcnt = cnt;
1452 INIT_LIST_HEAD(&mp2->list);
1457 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1458 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1459 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1460 icmd->ulpBdeCount = 1;
1463 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1464 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1465 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1467 icmd->ulpBdeCount = 2;
1470 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1473 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1474 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1478 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1482 lpfc_sli_release_iocbq(phba, iocb);
1483 pring->missbufcnt = cnt;
1486 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1488 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1490 pring->missbufcnt = 0;
1495 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1496 * @phba: pointer to lpfc hba data structure.
1498 * This routine posts initial receive IOCB buffers to the ELS ring. The
1499 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1503 * 0 - success (currently always success)
1506 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1508 struct lpfc_sli *psli = &phba->sli;
1510 /* Ring 0, ELS / CT buffers */
1511 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
1512 /* Ring 2 - FCP no buffers needed */
1517 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1520 * lpfc_sha_init - Set up initial array of hash table entries
1521 * @HashResultPointer: pointer to an array as hash table.
1523 * This routine sets up the initial values to the array of hash table entries
1527 lpfc_sha_init(uint32_t * HashResultPointer)
1529 HashResultPointer[0] = 0x67452301;
1530 HashResultPointer[1] = 0xEFCDAB89;
1531 HashResultPointer[2] = 0x98BADCFE;
1532 HashResultPointer[3] = 0x10325476;
1533 HashResultPointer[4] = 0xC3D2E1F0;
1537 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1538 * @HashResultPointer: pointer to an initial/result hash table.
1539 * @HashWorkingPointer: pointer to an working hash table.
1541 * This routine iterates an initial hash table pointed by @HashResultPointer
1542 * with the values from the working hash table pointeed by @HashWorkingPointer.
1543 * The results are putting back to the initial hash table, returned through
1544 * the @HashResultPointer as the result hash table.
1547 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1551 uint32_t A, B, C, D, E;
1554 HashWorkingPointer[t] =
1556 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1558 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1559 } while (++t <= 79);
1561 A = HashResultPointer[0];
1562 B = HashResultPointer[1];
1563 C = HashResultPointer[2];
1564 D = HashResultPointer[3];
1565 E = HashResultPointer[4];
1569 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1570 } else if (t < 40) {
1571 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1572 } else if (t < 60) {
1573 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1575 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1577 TEMP += S(5, A) + E + HashWorkingPointer[t];
1583 } while (++t <= 79);
1585 HashResultPointer[0] += A;
1586 HashResultPointer[1] += B;
1587 HashResultPointer[2] += C;
1588 HashResultPointer[3] += D;
1589 HashResultPointer[4] += E;
1594 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1595 * @RandomChallenge: pointer to the entry of host challenge random number array.
1596 * @HashWorking: pointer to the entry of the working hash array.
1598 * This routine calculates the working hash array referred by @HashWorking
1599 * from the challenge random numbers associated with the host, referred by
1600 * @RandomChallenge. The result is put into the entry of the working hash
1601 * array and returned by reference through @HashWorking.
1604 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1606 *HashWorking = (*RandomChallenge ^ *HashWorking);
1610 * lpfc_hba_init - Perform special handling for LC HBA initialization
1611 * @phba: pointer to lpfc hba data structure.
1612 * @hbainit: pointer to an array of unsigned 32-bit integers.
1614 * This routine performs the special handling for LC HBA initialization.
1617 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1620 uint32_t *HashWorking;
1621 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1623 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1627 HashWorking[0] = HashWorking[78] = *pwwnn++;
1628 HashWorking[1] = HashWorking[79] = *pwwnn;
1630 for (t = 0; t < 7; t++)
1631 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1633 lpfc_sha_init(hbainit);
1634 lpfc_sha_iterate(hbainit, HashWorking);
1639 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1640 * @vport: pointer to a virtual N_Port data structure.
1642 * This routine performs the necessary cleanups before deleting the @vport.
1643 * It invokes the discovery state machine to perform necessary state
1644 * transitions and to release the ndlps associated with the @vport. Note,
1645 * the physical port is treated as @vport 0.
1648 lpfc_cleanup(struct lpfc_vport *vport)
1650 struct lpfc_hba *phba = vport->phba;
1651 struct lpfc_nodelist *ndlp, *next_ndlp;
1654 if (phba->link_state > LPFC_LINK_DOWN)
1655 lpfc_port_link_failure(vport);
1657 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1658 if (!NLP_CHK_NODE_ACT(ndlp)) {
1659 ndlp = lpfc_enable_node(vport, ndlp,
1660 NLP_STE_UNUSED_NODE);
1663 spin_lock_irq(&phba->ndlp_lock);
1664 NLP_SET_FREE_REQ(ndlp);
1665 spin_unlock_irq(&phba->ndlp_lock);
1666 /* Trigger the release of the ndlp memory */
1670 spin_lock_irq(&phba->ndlp_lock);
1671 if (NLP_CHK_FREE_REQ(ndlp)) {
1672 /* The ndlp should not be in memory free mode already */
1673 spin_unlock_irq(&phba->ndlp_lock);
1676 /* Indicate request for freeing ndlp memory */
1677 NLP_SET_FREE_REQ(ndlp);
1678 spin_unlock_irq(&phba->ndlp_lock);
1680 if (vport->port_type != LPFC_PHYSICAL_PORT &&
1681 ndlp->nlp_DID == Fabric_DID) {
1682 /* Just free up ndlp with Fabric_DID for vports */
1687 if (ndlp->nlp_type & NLP_FABRIC)
1688 lpfc_disc_state_machine(vport, ndlp, NULL,
1689 NLP_EVT_DEVICE_RECOVERY);
1691 lpfc_disc_state_machine(vport, ndlp, NULL,
1696 /* At this point, ALL ndlp's should be gone
1697 * because of the previous NLP_EVT_DEVICE_RM.
1698 * Lets wait for this to happen, if needed.
1700 while (!list_empty(&vport->fc_nodes)) {
1703 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1704 "0233 Nodelist not empty\n");
1705 list_for_each_entry_safe(ndlp, next_ndlp,
1706 &vport->fc_nodes, nlp_listp) {
1707 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1709 "0282 did:x%x ndlp:x%p "
1710 "usgmap:x%x refcnt:%d\n",
1711 ndlp->nlp_DID, (void *)ndlp,
1714 &ndlp->kref.refcount));
1719 /* Wait for any activity on ndlps to settle */
1726 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
1727 * @vport: pointer to a virtual N_Port data structure.
1729 * This routine stops all the timers associated with a @vport. This function
1730 * is invoked before disabling or deleting a @vport. Note that the physical
1731 * port is treated as @vport 0.
1734 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1736 del_timer_sync(&vport->els_tmofunc);
1737 del_timer_sync(&vport->fc_fdmitmo);
1738 lpfc_can_disctmo(vport);
1743 * lpfc_stop_phba_timers - Stop all the timers associated with an HBA
1744 * @phba: pointer to lpfc hba data structure.
1746 * This routine stops all the timers associated with a HBA. This function is
1747 * invoked before either putting a HBA offline or unloading the driver.
1750 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1752 del_timer_sync(&phba->fcp_poll_timer);
1753 lpfc_stop_vport_timers(phba->pport);
1754 del_timer_sync(&phba->sli.mbox_tmo);
1755 del_timer_sync(&phba->fabric_block_timer);
1756 phba->hb_outstanding = 0;
1757 del_timer_sync(&phba->hb_tmofunc);
1758 del_timer_sync(&phba->eratt_poll);
1763 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
1764 * @phba: pointer to lpfc hba data structure.
1766 * This routine marks a HBA's management interface as blocked. Once the HBA's
1767 * management interface is marked as blocked, all the user space access to
1768 * the HBA, whether they are from sysfs interface or libdfc interface will
1769 * all be blocked. The HBA is set to block the management interface when the
1770 * driver prepares the HBA interface for online or offline.
1773 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1775 unsigned long iflag;
1777 spin_lock_irqsave(&phba->hbalock, iflag);
1778 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1779 spin_unlock_irqrestore(&phba->hbalock, iflag);
1783 * lpfc_online - Initialize and bring a HBA online
1784 * @phba: pointer to lpfc hba data structure.
1786 * This routine initializes the HBA and brings a HBA online. During this
1787 * process, the management interface is blocked to prevent user space access
1788 * to the HBA interfering with the driver initialization.
1795 lpfc_online(struct lpfc_hba *phba)
1797 struct lpfc_vport *vport;
1798 struct lpfc_vport **vports;
1803 vport = phba->pport;
1805 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1808 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1809 "0458 Bring Adapter online\n");
1811 lpfc_block_mgmt_io(phba);
1813 if (!lpfc_sli_queue_setup(phba)) {
1814 lpfc_unblock_mgmt_io(phba);
1818 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1819 lpfc_unblock_mgmt_io(phba);
1823 vports = lpfc_create_vport_work_array(phba);
1825 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1826 struct Scsi_Host *shost;
1827 shost = lpfc_shost_from_vport(vports[i]);
1828 spin_lock_irq(shost->host_lock);
1829 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1830 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1831 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1832 spin_unlock_irq(shost->host_lock);
1834 lpfc_destroy_vport_work_array(phba, vports);
1836 lpfc_unblock_mgmt_io(phba);
1841 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
1842 * @phba: pointer to lpfc hba data structure.
1844 * This routine marks a HBA's management interface as not blocked. Once the
1845 * HBA's management interface is marked as not blocked, all the user space
1846 * access to the HBA, whether they are from sysfs interface or libdfc
1847 * interface will be allowed. The HBA is set to block the management interface
1848 * when the driver prepares the HBA interface for online or offline and then
1849 * set to unblock the management interface afterwards.
1852 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1854 unsigned long iflag;
1856 spin_lock_irqsave(&phba->hbalock, iflag);
1857 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1858 spin_unlock_irqrestore(&phba->hbalock, iflag);
1862 * lpfc_offline_prep - Prepare a HBA to be brought offline
1863 * @phba: pointer to lpfc hba data structure.
1865 * This routine is invoked to prepare a HBA to be brought offline. It performs
1866 * unregistration login to all the nodes on all vports and flushes the mailbox
1867 * queue to make it ready to be brought offline.
1870 lpfc_offline_prep(struct lpfc_hba * phba)
1872 struct lpfc_vport *vport = phba->pport;
1873 struct lpfc_nodelist *ndlp, *next_ndlp;
1874 struct lpfc_vport **vports;
1877 if (vport->fc_flag & FC_OFFLINE_MODE)
1880 lpfc_block_mgmt_io(phba);
1882 lpfc_linkdown(phba);
1884 /* Issue an unreg_login to all nodes on all vports */
1885 vports = lpfc_create_vport_work_array(phba);
1886 if (vports != NULL) {
1887 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1888 struct Scsi_Host *shost;
1890 if (vports[i]->load_flag & FC_UNLOADING)
1892 shost = lpfc_shost_from_vport(vports[i]);
1893 list_for_each_entry_safe(ndlp, next_ndlp,
1894 &vports[i]->fc_nodes,
1896 if (!NLP_CHK_NODE_ACT(ndlp))
1898 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1900 if (ndlp->nlp_type & NLP_FABRIC) {
1901 lpfc_disc_state_machine(vports[i], ndlp,
1902 NULL, NLP_EVT_DEVICE_RECOVERY);
1903 lpfc_disc_state_machine(vports[i], ndlp,
1904 NULL, NLP_EVT_DEVICE_RM);
1906 spin_lock_irq(shost->host_lock);
1907 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1908 spin_unlock_irq(shost->host_lock);
1909 lpfc_unreg_rpi(vports[i], ndlp);
1913 lpfc_destroy_vport_work_array(phba, vports);
1915 lpfc_sli_flush_mbox_queue(phba);
1919 * lpfc_offline - Bring a HBA offline
1920 * @phba: pointer to lpfc hba data structure.
1922 * This routine actually brings a HBA offline. It stops all the timers
1923 * associated with the HBA, brings down the SLI layer, and eventually
1924 * marks the HBA as in offline state for the upper layer protocol.
1927 lpfc_offline(struct lpfc_hba *phba)
1929 struct Scsi_Host *shost;
1930 struct lpfc_vport **vports;
1933 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1936 /* stop all timers associated with this hba */
1937 lpfc_stop_phba_timers(phba);
1938 vports = lpfc_create_vport_work_array(phba);
1940 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1941 lpfc_stop_vport_timers(vports[i]);
1942 lpfc_destroy_vport_work_array(phba, vports);
1943 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1944 "0460 Bring Adapter offline\n");
1945 /* Bring down the SLI Layer and cleanup. The HBA is offline
1947 lpfc_sli_hba_down(phba);
1948 spin_lock_irq(&phba->hbalock);
1950 spin_unlock_irq(&phba->hbalock);
1951 vports = lpfc_create_vport_work_array(phba);
1953 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1954 shost = lpfc_shost_from_vport(vports[i]);
1955 spin_lock_irq(shost->host_lock);
1956 vports[i]->work_port_events = 0;
1957 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1958 spin_unlock_irq(shost->host_lock);
1960 lpfc_destroy_vport_work_array(phba, vports);
1964 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
1965 * @phba: pointer to lpfc hba data structure.
1967 * This routine is to free all the SCSI buffers and IOCBs from the driver
1968 * list back to kernel. It is called from lpfc_pci_remove_one to free
1969 * the internal resources before the device is removed from the system.
1972 * 0 - successful (for now, it always returns 0)
1975 lpfc_scsi_free(struct lpfc_hba *phba)
1977 struct lpfc_scsi_buf *sb, *sb_next;
1978 struct lpfc_iocbq *io, *io_next;
1980 spin_lock_irq(&phba->hbalock);
1981 /* Release all the lpfc_scsi_bufs maintained by this host. */
1982 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1983 list_del(&sb->list);
1984 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1987 phba->total_scsi_bufs--;
1990 /* Release all the lpfc_iocbq entries maintained by this host. */
1991 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1992 list_del(&io->list);
1994 phba->total_iocbq_bufs--;
1997 spin_unlock_irq(&phba->hbalock);
2003 * lpfc_create_port - Create an FC port
2004 * @phba: pointer to lpfc hba data structure.
2005 * @instance: a unique integer ID to this FC port.
2006 * @dev: pointer to the device data structure.
2008 * This routine creates a FC port for the upper layer protocol. The FC port
2009 * can be created on top of either a physical port or a virtual port provided
2010 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2011 * and associates the FC port created before adding the shost into the SCSI
2015 * @vport - pointer to the virtual N_Port data structure.
2016 * NULL - port create failed.
2019 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
2021 struct lpfc_vport *vport;
2022 struct Scsi_Host *shost;
2025 if (dev != &phba->pcidev->dev)
2026 shost = scsi_host_alloc(&lpfc_vport_template,
2027 sizeof(struct lpfc_vport));
2029 shost = scsi_host_alloc(&lpfc_template,
2030 sizeof(struct lpfc_vport));
2034 vport = (struct lpfc_vport *) shost->hostdata;
2036 vport->load_flag |= FC_LOADING;
2037 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2038 vport->fc_rscn_flush = 0;
2040 lpfc_get_vport_cfgparam(vport);
2041 shost->unique_id = instance;
2042 shost->max_id = LPFC_MAX_TARGET;
2043 shost->max_lun = vport->cfg_max_luns;
2044 shost->this_id = -1;
2045 shost->max_cmd_len = 16;
2048 * Set initial can_queue value since 0 is no longer supported and
2049 * scsi_add_host will fail. This will be adjusted later based on the
2050 * max xri value determined in hba setup.
2052 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2053 if (dev != &phba->pcidev->dev) {
2054 shost->transportt = lpfc_vport_transport_template;
2055 vport->port_type = LPFC_NPIV_PORT;
2057 shost->transportt = lpfc_transport_template;
2058 vport->port_type = LPFC_PHYSICAL_PORT;
2061 /* Initialize all internally managed lists. */
2062 INIT_LIST_HEAD(&vport->fc_nodes);
2063 spin_lock_init(&vport->work_port_lock);
2065 init_timer(&vport->fc_disctmo);
2066 vport->fc_disctmo.function = lpfc_disc_timeout;
2067 vport->fc_disctmo.data = (unsigned long)vport;
2069 init_timer(&vport->fc_fdmitmo);
2070 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
2071 vport->fc_fdmitmo.data = (unsigned long)vport;
2073 init_timer(&vport->els_tmofunc);
2074 vport->els_tmofunc.function = lpfc_els_timeout;
2075 vport->els_tmofunc.data = (unsigned long)vport;
2077 error = scsi_add_host(shost, dev);
2081 spin_lock_irq(&phba->hbalock);
2082 list_add_tail(&vport->listentry, &phba->port_list);
2083 spin_unlock_irq(&phba->hbalock);
2087 scsi_host_put(shost);
2093 * destroy_port - destroy an FC port
2094 * @vport: pointer to an lpfc virtual N_Port data structure.
2096 * This routine destroys a FC port from the upper layer protocol. All the
2097 * resources associated with the port are released.
2100 destroy_port(struct lpfc_vport *vport)
2102 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2103 struct lpfc_hba *phba = vport->phba;
2105 lpfc_debugfs_terminate(vport);
2106 fc_remove_host(shost);
2107 scsi_remove_host(shost);
2109 spin_lock_irq(&phba->hbalock);
2110 list_del_init(&vport->listentry);
2111 spin_unlock_irq(&phba->hbalock);
2113 lpfc_cleanup(vport);
2118 * lpfc_get_instance - Get a unique integer ID
2120 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2121 * uses the kernel idr facility to perform the task.
2124 * instance - a unique integer ID allocated as the new instance.
2125 * -1 - lpfc get instance failed.
2128 lpfc_get_instance(void)
2132 /* Assign an unused number */
2133 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
2135 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
2141 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2142 * @shost: pointer to SCSI host data structure.
2143 * @time: elapsed time of the scan in jiffies.
2145 * This routine is called by the SCSI layer with a SCSI host to determine
2146 * whether the scan host is finished.
2148 * Note: there is no scan_start function as adapter initialization will have
2149 * asynchronously kicked off the link initialization.
2152 * 0 - SCSI host scan is not over yet.
2153 * 1 - SCSI host scan is over.
2155 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
2157 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2158 struct lpfc_hba *phba = vport->phba;
2161 spin_lock_irq(shost->host_lock);
2163 if (vport->load_flag & FC_UNLOADING) {
2167 if (time >= 30 * HZ) {
2168 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2169 "0461 Scanning longer than 30 "
2170 "seconds. Continuing initialization\n");
2174 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
2175 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2176 "0465 Link down longer than 15 "
2177 "seconds. Continuing initialization\n");
2182 if (vport->port_state != LPFC_VPORT_READY)
2184 if (vport->num_disc_nodes || vport->fc_prli_sent)
2186 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
2188 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
2194 spin_unlock_irq(shost->host_lock);
2199 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2200 * @shost: pointer to SCSI host data structure.
2202 * This routine initializes a given SCSI host attributes on a FC port. The
2203 * SCSI host can be either on top of a physical port or a virtual port.
2205 void lpfc_host_attrib_init(struct Scsi_Host *shost)
2207 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2208 struct lpfc_hba *phba = vport->phba;
2210 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2213 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
2214 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
2215 fc_host_supported_classes(shost) = FC_COS_CLASS3;
2217 memset(fc_host_supported_fc4s(shost), 0,
2218 sizeof(fc_host_supported_fc4s(shost)));
2219 fc_host_supported_fc4s(shost)[2] = 1;
2220 fc_host_supported_fc4s(shost)[7] = 1;
2222 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
2223 sizeof fc_host_symbolic_name(shost));
2225 fc_host_supported_speeds(shost) = 0;
2226 if (phba->lmt & LMT_10Gb)
2227 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
2228 if (phba->lmt & LMT_8Gb)
2229 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
2230 if (phba->lmt & LMT_4Gb)
2231 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
2232 if (phba->lmt & LMT_2Gb)
2233 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
2234 if (phba->lmt & LMT_1Gb)
2235 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
2237 fc_host_maxframe_size(shost) =
2238 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
2239 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
2241 /* This value is also unchanging */
2242 memset(fc_host_active_fc4s(shost), 0,
2243 sizeof(fc_host_active_fc4s(shost)));
2244 fc_host_active_fc4s(shost)[2] = 1;
2245 fc_host_active_fc4s(shost)[7] = 1;
2247 fc_host_max_npiv_vports(shost) = phba->max_vpi;
2248 spin_lock_irq(shost->host_lock);
2249 vport->load_flag &= ~FC_LOADING;
2250 spin_unlock_irq(shost->host_lock);
2254 * lpfc_enable_msix - Enable MSI-X interrupt mode
2255 * @phba: pointer to lpfc hba data structure.
2257 * This routine is invoked to enable the MSI-X interrupt vectors. The kernel
2258 * function pci_enable_msix() is called to enable the MSI-X vectors. Note that
2259 * pci_enable_msix(), once invoked, enables either all or nothing, depending
2260 * on the current availability of PCI vector resources. The device driver is
2261 * responsible for calling the individual request_irq() to register each MSI-X
2262 * vector with a interrupt handler, which is done in this function. Note that
2263 * later when device is unloading, the driver should always call free_irq()
2264 * on all MSI-X vectors it has done request_irq() on before calling
2265 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
2266 * will be left with MSI-X enabled and leaks its vectors.
2270 * other values - error
2273 lpfc_enable_msix(struct lpfc_hba *phba)
2278 /* Set up MSI-X multi-message vectors */
2279 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
2280 phba->msix_entries[i].entry = i;
2282 /* Configure MSI-X capability structure */
2283 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
2284 ARRAY_SIZE(phba->msix_entries));
2286 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2287 "0420 PCI enable MSI-X failed (%d)\n", rc);
2290 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
2291 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2292 "0477 MSI-X entry[%d]: vector=x%x "
2294 phba->msix_entries[i].vector,
2295 phba->msix_entries[i].entry);
2297 * Assign MSI-X vectors to interrupt handlers
2300 /* vector-0 is associated to slow-path handler */
2301 rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler,
2302 IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba);
2304 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2305 "0421 MSI-X slow-path request_irq failed "
2310 /* vector-1 is associated to fast-path handler */
2311 rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler,
2312 IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba);
2315 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2316 "0429 MSI-X fast-path request_irq failed "
2322 * Configure HBA MSI-X attention conditions to messages
2324 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2328 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2329 "0474 Unable to allocate memory for issuing "
2330 "MBOX_CONFIG_MSI command\n");
2333 rc = lpfc_config_msi(phba, pmb);
2336 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
2337 if (rc != MBX_SUCCESS) {
2338 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2339 "0351 Config MSI mailbox command failed, "
2340 "mbxCmd x%x, mbxStatus x%x\n",
2341 pmb->mb.mbxCommand, pmb->mb.mbxStatus);
2345 /* Free memory allocated for mailbox command */
2346 mempool_free(pmb, phba->mbox_mem_pool);
2350 /* Free memory allocated for mailbox command */
2351 mempool_free(pmb, phba->mbox_mem_pool);
2354 /* free the irq already requested */
2355 free_irq(phba->msix_entries[1].vector, phba);
2358 /* free the irq already requested */
2359 free_irq(phba->msix_entries[0].vector, phba);
2362 /* Unconfigure MSI-X capability structure */
2363 pci_disable_msix(phba->pcidev);
2368 * lpfc_disable_msix - Disable MSI-X interrupt mode
2369 * @phba: pointer to lpfc hba data structure.
2371 * This routine is invoked to release the MSI-X vectors and then disable the
2372 * MSI-X interrupt mode.
2375 lpfc_disable_msix(struct lpfc_hba *phba)
2379 /* Free up MSI-X multi-message vectors */
2380 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
2381 free_irq(phba->msix_entries[i].vector, phba);
2383 pci_disable_msix(phba->pcidev);
2387 * lpfc_enable_msi - Enable MSI interrupt mode
2388 * @phba: pointer to lpfc hba data structure.
2390 * This routine is invoked to enable the MSI interrupt mode. The kernel
2391 * function pci_enable_msi() is called to enable the MSI vector. The
2392 * device driver is responsible for calling the request_irq() to register
2393 * MSI vector with a interrupt the handler, which is done in this function.
2397 * other values - error
2400 lpfc_enable_msi(struct lpfc_hba *phba)
2404 rc = pci_enable_msi(phba->pcidev);
2406 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2407 "0462 PCI enable MSI mode success.\n");
2409 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2410 "0471 PCI enable MSI mode failed (%d)\n", rc);
2414 rc = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2415 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2417 pci_disable_msi(phba->pcidev);
2418 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2419 "0478 MSI request_irq failed (%d)\n", rc);
2425 * lpfc_disable_msi - Disable MSI interrupt mode
2426 * @phba: pointer to lpfc hba data structure.
2428 * This routine is invoked to disable the MSI interrupt mode. The driver
2429 * calls free_irq() on MSI vector it has done request_irq() on before
2430 * calling pci_disable_msi(). Failure to do so results in a BUG_ON() and
2431 * a device will be left with MSI enabled and leaks its vector.
2435 lpfc_disable_msi(struct lpfc_hba *phba)
2437 free_irq(phba->pcidev->irq, phba);
2438 pci_disable_msi(phba->pcidev);
2443 * lpfc_log_intr_mode - Log the active interrupt mode
2444 * @phba: pointer to lpfc hba data structure.
2445 * @intr_mode: active interrupt mode adopted.
2447 * This routine it invoked to log the currently used active interrupt mode
2451 lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
2453 switch (intr_mode) {
2455 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2456 "0470 Enable INTx interrupt mode.\n");
2459 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2460 "0481 Enabled MSI interrupt mode.\n");
2463 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2464 "0480 Enabled MSI-X interrupt mode.\n");
2467 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2468 "0482 Illegal interrupt mode.\n");
2475 lpfc_stop_port(struct lpfc_hba *phba)
2477 /* Clear all interrupt enable conditions */
2478 writel(0, phba->HCregaddr);
2479 readl(phba->HCregaddr); /* flush */
2480 /* Clear all pending interrupts */
2481 writel(0xffffffff, phba->HAregaddr);
2482 readl(phba->HAregaddr); /* flush */
2484 /* Reset some HBA SLI setup states */
2485 lpfc_stop_phba_timers(phba);
2486 phba->pport->work_port_events = 0;
2492 * lpfc_enable_intr - Enable device interrupt
2493 * @phba: pointer to lpfc hba data structure.
2495 * This routine is invoked to enable device interrupt and associate driver's
2496 * interrupt handler(s) to interrupt vector(s). Depends on the interrupt
2497 * mode configured to the driver, the driver will try to fallback from the
2498 * configured interrupt mode to an interrupt mode which is supported by the
2499 * platform, kernel, and device in the order of: MSI-X -> MSI -> IRQ.
2503 * other values - error
2506 lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
2508 uint32_t intr_mode = LPFC_INTR_ERROR;
2511 if (cfg_mode == 2) {
2512 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
2513 retval = lpfc_sli_config_port(phba, 3);
2515 /* Now, try to enable MSI-X interrupt mode */
2516 retval = lpfc_enable_msix(phba);
2518 /* Indicate initialization to MSI-X mode */
2519 phba->intr_type = MSIX;
2525 /* Fallback to MSI if MSI-X initialization failed */
2526 if (cfg_mode >= 1 && phba->intr_type == NONE) {
2527 retval = lpfc_enable_msi(phba);
2529 /* Indicate initialization to MSI mode */
2530 phba->intr_type = MSI;
2535 /* Fallback to INTx if both MSI-X/MSI initalization failed */
2536 if (phba->intr_type == NONE) {
2537 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2538 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2540 /* Indicate initialization to INTx mode */
2541 phba->intr_type = INTx;
2549 * lpfc_disable_intr - Disable device interrupt
2550 * @phba: pointer to lpfc hba data structure.
2552 * This routine is invoked to disable device interrupt and disassociate the
2553 * driver's interrupt handler(s) from interrupt vector(s). Depending on the
2554 * interrupt mode, the driver will release the interrupt vector(s) for the
2555 * message signaled interrupt.
2558 lpfc_disable_intr(struct lpfc_hba *phba)
2560 /* Disable the currently initialized interrupt mode */
2561 if (phba->intr_type == MSIX)
2562 lpfc_disable_msix(phba);
2563 else if (phba->intr_type == MSI)
2564 lpfc_disable_msi(phba);
2565 else if (phba->intr_type == INTx)
2566 free_irq(phba->pcidev->irq, phba);
2568 /* Reset interrupt management states */
2569 phba->intr_type = NONE;
2570 phba->sli.slistat.sli_intr = 0;
2576 * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem
2577 * @pdev: pointer to PCI device
2578 * @pid: pointer to PCI device identifier
2580 * This routine is to be registered to the kernel's PCI subsystem. When an
2581 * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at
2582 * PCI device-specific information of the device and driver to see if the
2583 * driver state that it can support this kind of device. If the match is
2584 * successful, the driver core invokes this routine. If this routine
2585 * determines it can claim the HBA, it does all the initialization that it
2586 * needs to do to handle the HBA properly.
2589 * 0 - driver can claim the device
2590 * negative value - driver can not claim the device
2592 static int __devinit
2593 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
2595 struct lpfc_vport *vport = NULL;
2596 struct lpfc_hba *phba;
2597 struct lpfc_sli *psli;
2598 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
2599 struct Scsi_Host *shost = NULL;
2601 unsigned long bar0map_len, bar2map_len;
2602 int error = -ENODEV, retval;
2605 uint32_t cfg_mode, intr_mode;
2606 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2607 struct lpfc_adapter_event_header adapter_event;
2609 if (pci_enable_device_mem(pdev))
2611 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
2612 goto out_disable_device;
2614 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
2616 goto out_release_regions;
2618 atomic_set(&phba->fast_event_count, 0);
2619 spin_lock_init(&phba->hbalock);
2621 /* Initialize ndlp management spinlock */
2622 spin_lock_init(&phba->ndlp_lock);
2624 phba->pcidev = pdev;
2626 /* Assign an unused board number */
2627 if ((phba->brd_no = lpfc_get_instance()) < 0)
2630 INIT_LIST_HEAD(&phba->port_list);
2631 init_waitqueue_head(&phba->wait_4_mlo_m_q);
2633 * Get all the module params for configuring this host and then
2634 * establish the host.
2636 lpfc_get_cfgparam(phba);
2637 phba->max_vpi = LPFC_MAX_VPI;
2639 /* Initialize timers used by driver */
2640 init_timer(&phba->hb_tmofunc);
2641 phba->hb_tmofunc.function = lpfc_hb_timeout;
2642 phba->hb_tmofunc.data = (unsigned long)phba;
2645 init_timer(&psli->mbox_tmo);
2646 psli->mbox_tmo.function = lpfc_mbox_timeout;
2647 psli->mbox_tmo.data = (unsigned long) phba;
2648 init_timer(&phba->fcp_poll_timer);
2649 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2650 phba->fcp_poll_timer.data = (unsigned long) phba;
2651 init_timer(&phba->fabric_block_timer);
2652 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
2653 phba->fabric_block_timer.data = (unsigned long) phba;
2654 init_timer(&phba->eratt_poll);
2655 phba->eratt_poll.function = lpfc_poll_eratt;
2656 phba->eratt_poll.data = (unsigned long) phba;
2658 pci_set_master(pdev);
2659 pci_save_state(pdev);
2660 pci_try_set_mwi(pdev);
2662 if (pci_set_dma_mask(phba->pcidev, DMA_BIT_MASK(64)) != 0)
2663 if (pci_set_dma_mask(phba->pcidev, DMA_BIT_MASK(32)) != 0)
2664 goto out_idr_remove;
2667 * Get the bus address of Bar0 and Bar2 and the number of bytes
2668 * required by each mapping.
2670 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
2671 bar0map_len = pci_resource_len(phba->pcidev, 0);
2673 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
2674 bar2map_len = pci_resource_len(phba->pcidev, 2);
2676 /* Map HBA SLIM to a kernel virtual address. */
2677 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
2678 if (!phba->slim_memmap_p) {
2680 dev_printk(KERN_ERR, &pdev->dev,
2681 "ioremap failed for SLIM memory.\n");
2682 goto out_idr_remove;
2685 /* Map HBA Control Registers to a kernel virtual address. */
2686 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2687 if (!phba->ctrl_regs_memmap_p) {
2689 dev_printk(KERN_ERR, &pdev->dev,
2690 "ioremap failed for HBA control registers.\n");
2691 goto out_iounmap_slim;
2694 /* Allocate memory for SLI-2 structures */
2695 phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev,
2699 if (!phba->slim2p.virt)
2702 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
2703 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
2704 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
2705 phba->IOCBs = (phba->slim2p.virt +
2706 offsetof(struct lpfc_sli2_slim, IOCBs));
2708 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
2709 lpfc_sli_hbq_size(),
2710 &phba->hbqslimp.phys,
2712 if (!phba->hbqslimp.virt)
2715 hbq_count = lpfc_sli_hbq_count();
2716 ptr = phba->hbqslimp.virt;
2717 for (i = 0; i < hbq_count; ++i) {
2718 phba->hbqs[i].hbq_virt = ptr;
2719 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
2720 ptr += (lpfc_hbq_defs[i]->entry_count *
2721 sizeof(struct lpfc_hbq_entry));
2723 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2724 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
2726 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2728 INIT_LIST_HEAD(&phba->hbqbuf_in_list);
2730 /* Initialize the SLI Layer to run with lpfc HBAs. */
2731 lpfc_sli_setup(phba);
2732 lpfc_sli_queue_setup(phba);
2734 retval = lpfc_mem_alloc(phba);
2737 goto out_free_hbqslimp;
2740 /* Initialize and populate the iocb list per host. */
2741 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2742 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2743 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
2744 if (iocbq_entry == NULL) {
2745 printk(KERN_ERR "%s: only allocated %d iocbs of "
2746 "expected %d count. Unloading driver.\n",
2747 __func__, i, LPFC_IOCB_LIST_CNT);
2749 goto out_free_iocbq;
2752 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2754 kfree (iocbq_entry);
2755 printk(KERN_ERR "%s: failed to allocate IOTAG. "
2756 "Unloading driver.\n",
2759 goto out_free_iocbq;
2762 spin_lock_irq(&phba->hbalock);
2763 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2764 phba->total_iocbq_bufs++;
2765 spin_unlock_irq(&phba->hbalock);
2768 /* Initialize HBA structure */
2769 phba->fc_edtov = FF_DEF_EDTOV;
2770 phba->fc_ratov = FF_DEF_RATOV;
2771 phba->fc_altov = FF_DEF_ALTOV;
2772 phba->fc_arbtov = FF_DEF_ARBTOV;
2774 INIT_LIST_HEAD(&phba->work_list);
2775 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
2776 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2778 /* Initialize the wait queue head for the kernel thread */
2779 init_waitqueue_head(&phba->work_waitq);
2781 /* Startup the kernel thread for this host adapter. */
2782 phba->worker_thread = kthread_run(lpfc_do_work, phba,
2783 "lpfc_worker_%d", phba->brd_no);
2784 if (IS_ERR(phba->worker_thread)) {
2785 error = PTR_ERR(phba->worker_thread);
2786 goto out_free_iocbq;
2789 /* Initialize the list of scsi buffers used by driver for scsi IO. */
2790 spin_lock_init(&phba->scsi_buf_list_lock);
2791 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2793 /* Initialize list of fabric iocbs */
2794 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2796 /* Initialize list to save ELS buffers */
2797 INIT_LIST_HEAD(&phba->elsbuf);
2799 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2801 goto out_kthread_stop;
2803 shost = lpfc_shost_from_vport(vport);
2804 phba->pport = vport;
2805 lpfc_debugfs_initialize(vport);
2807 pci_set_drvdata(pdev, shost);
2809 phba->MBslimaddr = phba->slim_memmap_p;
2810 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2811 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2812 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2813 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2815 /* Configure sysfs attributes */
2816 if (lpfc_alloc_sysfs_attr(vport)) {
2817 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2818 "1476 Failed to allocate sysfs attr\n");
2820 goto out_destroy_port;
2823 cfg_mode = phba->cfg_use_msi;
2825 /* Configure and enable interrupt */
2826 intr_mode = lpfc_enable_intr(phba, cfg_mode);
2827 if (intr_mode == LPFC_INTR_ERROR) {
2828 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2829 "0426 Failed to enable interrupt.\n");
2830 goto out_free_sysfs_attr;
2833 if (lpfc_sli_hba_setup(phba)) {
2834 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2835 "1477 Failed to set up hba\n");
2837 goto out_remove_device;
2840 /* Wait 50ms for the interrupts of previous mailbox commands */
2842 /* Check active interrupts received */
2843 if (phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
2844 /* Log the current active interrupt mode */
2845 phba->intr_mode = intr_mode;
2846 lpfc_log_intr_mode(phba, intr_mode);
2849 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2850 "0451 Configure interrupt mode (%d) "
2851 "failed active interrupt test.\n",
2853 if (intr_mode == 0) {
2854 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2855 "0479 Failed to enable "
2858 goto out_remove_device;
2860 /* Stop HBA SLI setups */
2861 lpfc_stop_port(phba);
2862 /* Disable the current interrupt mode */
2863 lpfc_disable_intr(phba);
2864 /* Try next level of interrupt mode */
2865 cfg_mode = --intr_mode;
2870 * hba setup may have changed the hba_queue_depth so we need to adjust
2871 * the value of can_queue.
2873 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2874 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) {
2876 if (lpfc_prot_mask && lpfc_prot_guard) {
2877 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2878 "1478 Registering BlockGuard with the "
2881 scsi_host_set_prot(shost, lpfc_prot_mask);
2882 scsi_host_set_guard(shost, lpfc_prot_guard);
2886 if (!_dump_buf_data) {
2889 spin_lock_init(&_dump_buf_lock);
2891 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
2892 if (_dump_buf_data) {
2893 printk(KERN_ERR "BLKGRD allocated %d pages for "
2894 "_dump_buf_data at 0x%p\n",
2895 (1 << pagecnt), _dump_buf_data);
2896 _dump_buf_data_order = pagecnt;
2897 memset(_dump_buf_data, 0, ((1 << PAGE_SHIFT)
2906 if (!_dump_buf_data_order)
2907 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
2908 "memory for hexdump\n");
2911 printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p"
2912 "\n", _dump_buf_data);
2916 if (!_dump_buf_dif) {
2920 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
2921 if (_dump_buf_dif) {
2922 printk(KERN_ERR "BLKGRD allocated %d pages for "
2923 "_dump_buf_dif at 0x%p\n",
2924 (1 << pagecnt), _dump_buf_dif);
2925 _dump_buf_dif_order = pagecnt;
2926 memset(_dump_buf_dif, 0, ((1 << PAGE_SHIFT)
2935 if (!_dump_buf_dif_order)
2936 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
2937 "memory for hexdump\n");
2940 printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n",
2944 lpfc_host_attrib_init(shost);
2946 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2947 spin_lock_irq(shost->host_lock);
2948 lpfc_poll_start_timer(phba);
2949 spin_unlock_irq(shost->host_lock);
2952 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2953 "0428 Perform SCSI scan\n");
2954 /* Send board arrival event to upper layer */
2955 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
2956 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
2957 fc_host_post_vendor_event(shost, fc_get_event_number(),
2958 sizeof(adapter_event),
2959 (char *) &adapter_event,
2965 spin_lock_irq(shost->host_lock);
2966 vport->load_flag |= FC_UNLOADING;
2967 spin_unlock_irq(shost->host_lock);
2968 lpfc_stop_phba_timers(phba);
2969 phba->pport->work_port_events = 0;
2970 lpfc_disable_intr(phba);
2971 lpfc_sli_hba_down(phba);
2972 lpfc_sli_brdrestart(phba);
2973 out_free_sysfs_attr:
2974 lpfc_free_sysfs_attr(vport);
2976 destroy_port(vport);
2978 kthread_stop(phba->worker_thread);
2980 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2981 &phba->lpfc_iocb_list, list) {
2983 phba->total_iocbq_bufs--;
2985 lpfc_mem_free(phba);
2987 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
2988 phba->hbqslimp.virt, phba->hbqslimp.phys);
2990 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2991 phba->slim2p.virt, phba->slim2p.phys);
2993 iounmap(phba->ctrl_regs_memmap_p);
2995 iounmap(phba->slim_memmap_p);
2997 idr_remove(&lpfc_hba_index, phba->brd_no);
3000 out_release_regions:
3001 pci_release_selected_regions(pdev, bars);
3003 pci_disable_device(pdev);
3005 pci_set_drvdata(pdev, NULL);
3007 scsi_host_put(shost);
3012 * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem
3013 * @pdev: pointer to PCI device
3015 * This routine is to be registered to the kernel's PCI subsystem. When an
3016 * Emulex HBA is removed from PCI bus, it performs all the necessary cleanup
3017 * for the HBA device to be removed from the PCI subsystem properly.
3019 static void __devexit
3020 lpfc_pci_remove_one(struct pci_dev *pdev)
3022 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3023 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3024 struct lpfc_vport **vports;
3025 struct lpfc_hba *phba = vport->phba;
3027 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
3029 spin_lock_irq(&phba->hbalock);
3030 vport->load_flag |= FC_UNLOADING;
3031 spin_unlock_irq(&phba->hbalock);
3033 lpfc_free_sysfs_attr(vport);
3035 kthread_stop(phba->worker_thread);
3037 /* Release all the vports against this physical port */
3038 vports = lpfc_create_vport_work_array(phba);
3040 for (i = 1; i <= phba->max_vpi && vports[i] != NULL; i++)
3041 fc_vport_terminate(vports[i]->fc_vport);
3042 lpfc_destroy_vport_work_array(phba, vports);
3044 /* Remove FC host and then SCSI host with the physical port */
3045 fc_remove_host(shost);
3046 scsi_remove_host(shost);
3047 lpfc_cleanup(vport);
3050 * Bring down the SLI Layer. This step disable all interrupts,
3051 * clears the rings, discards all mailbox commands, and resets
3054 lpfc_sli_hba_down(phba);
3055 lpfc_sli_brdrestart(phba);
3057 lpfc_stop_phba_timers(phba);
3058 spin_lock_irq(&phba->hbalock);
3059 list_del_init(&vport->listentry);
3060 spin_unlock_irq(&phba->hbalock);
3062 lpfc_debugfs_terminate(vport);
3064 /* Disable interrupt */
3065 lpfc_disable_intr(phba);
3067 pci_set_drvdata(pdev, NULL);
3068 scsi_host_put(shost);
3071 * Call scsi_free before mem_free since scsi bufs are released to their
3072 * corresponding pools here.
3074 lpfc_scsi_free(phba);
3075 lpfc_mem_free(phba);
3077 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
3078 phba->hbqslimp.virt, phba->hbqslimp.phys);
3080 /* Free resources associated with SLI2 interface */
3081 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
3082 phba->slim2p.virt, phba->slim2p.phys);
3084 /* unmap adapter SLIM and Control Registers */
3085 iounmap(phba->ctrl_regs_memmap_p);
3086 iounmap(phba->slim_memmap_p);
3088 idr_remove(&lpfc_hba_index, phba->brd_no);
3092 pci_release_selected_regions(pdev, bars);
3093 pci_disable_device(pdev);
3097 * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management
3098 * @pdev: pointer to PCI device
3099 * @msg: power management message
3101 * This routine is to be registered to the kernel's PCI subsystem to support
3102 * system Power Management (PM). When PM invokes this method, it quiesces the
3103 * device by stopping the driver's worker thread for the device, turning off
3104 * device's interrupt and DMA, and bring the device offline. Note that as the
3105 * driver implements the minimum PM requirements to a power-aware driver's PM
3106 * support for suspend/resume -- all the possible PM messages (SUSPEND,
3107 * HIBERNATE, FREEZE) to the suspend() method call will be treated as SUSPEND
3108 * and the driver will fully reinitialize its device during resume() method
3109 * call, the driver will set device to PCI_D3hot state in PCI config space
3110 * instead of setting it according to the @msg provided by the PM.
3113 * 0 - driver suspended the device
3117 lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
3119 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3120 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3122 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3123 "0473 PCI device Power Management suspend.\n");
3125 /* Bring down the device */
3126 lpfc_offline_prep(phba);
3128 kthread_stop(phba->worker_thread);
3130 /* Disable interrupt from device */
3131 lpfc_disable_intr(phba);
3133 /* Save device state to PCI config space */
3134 pci_save_state(pdev);
3135 pci_set_power_state(pdev, PCI_D3hot);
3141 * lpfc_pci_resume_one - lpfc PCI func to resume device for power management
3142 * @pdev: pointer to PCI device
3144 * This routine is to be registered to the kernel's PCI subsystem to support
3145 * system Power Management (PM). When PM invokes this method, it restores
3146 * the device's PCI config space state and fully reinitializes the device
3147 * and brings it online. Note that as the driver implements the minimum PM
3148 * requirements to a power-aware driver's PM for suspend/resume -- all
3149 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
3150 * method call will be treated as SUSPEND and the driver will fully
3151 * reinitialize its device during resume() method call, the device will be
3152 * set to PCI_D0 directly in PCI config space before restoring the state.
3155 * 0 - driver suspended the device
3159 lpfc_pci_resume_one(struct pci_dev *pdev)
3161 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3162 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3166 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3167 "0452 PCI device Power Management resume.\n");
3169 /* Restore device state from PCI config space */
3170 pci_set_power_state(pdev, PCI_D0);
3171 pci_restore_state(pdev);
3172 if (pdev->is_busmaster)
3173 pci_set_master(pdev);
3175 /* Startup the kernel thread for this host adapter. */
3176 phba->worker_thread = kthread_run(lpfc_do_work, phba,
3177 "lpfc_worker_%d", phba->brd_no);
3178 if (IS_ERR(phba->worker_thread)) {
3179 error = PTR_ERR(phba->worker_thread);
3180 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3181 "0434 PM resume failed to start worker "
3182 "thread: error=x%x.\n", error);
3186 /* Configure and enable interrupt */
3187 intr_mode = lpfc_enable_intr(phba, phba->intr_mode);
3188 if (intr_mode == LPFC_INTR_ERROR) {
3189 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3190 "0430 PM resume Failed to enable interrupt\n");
3193 phba->intr_mode = intr_mode;
3195 /* Restart HBA and bring it online */
3196 lpfc_sli_brdrestart(phba);
3199 /* Log the current active interrupt mode */
3200 lpfc_log_intr_mode(phba, phba->intr_mode);
3206 * lpfc_io_error_detected - Driver method for handling PCI I/O error detected
3207 * @pdev: pointer to PCI device.
3208 * @state: the current PCI connection state.
3210 * This routine is registered to the PCI subsystem for error handling. This
3211 * function is called by the PCI subsystem after a PCI bus error affecting
3212 * this device has been detected. When this function is invoked, it will
3213 * need to stop all the I/Os and interrupt(s) to the device. Once that is
3214 * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to
3215 * perform proper recovery as desired.
3218 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
3219 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
3221 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
3222 pci_channel_state_t state)
3224 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3225 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3226 struct lpfc_sli *psli = &phba->sli;
3227 struct lpfc_sli_ring *pring;
3229 if (state == pci_channel_io_perm_failure) {
3230 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3231 "0472 PCI channel I/O permanent failure\n");
3232 /* Block all SCSI devices' I/Os on the host */
3233 lpfc_scsi_dev_block(phba);
3234 /* Clean up all driver's outstanding SCSI I/Os */
3235 lpfc_sli_flush_fcp_rings(phba);
3236 return PCI_ERS_RESULT_DISCONNECT;
3239 pci_disable_device(pdev);
3241 * There may be I/Os dropped by the firmware.
3242 * Error iocb (I/O) on txcmplq and let the SCSI layer
3243 * retry it after re-establishing link.
3245 pring = &psli->ring[psli->fcp_ring];
3246 lpfc_sli_abort_iocb_ring(phba, pring);
3248 /* Disable interrupt */
3249 lpfc_disable_intr(phba);
3251 /* Request a slot reset. */
3252 return PCI_ERS_RESULT_NEED_RESET;
3256 * lpfc_io_slot_reset - Restart a PCI device from scratch
3257 * @pdev: pointer to PCI device.
3259 * This routine is registered to the PCI subsystem for error handling. This is
3260 * called after PCI bus has been reset to restart the PCI card from scratch,
3261 * as if from a cold-boot. During the PCI subsystem error recovery, after the
3262 * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform
3263 * proper error recovery and then call this routine before calling the .resume
3264 * method to recover the device. This function will initialize the HBA device,
3265 * enable the interrupt, but it will just put the HBA to offline state without
3266 * passing any I/O traffic.
3269 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
3270 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
3272 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
3274 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3275 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3276 struct lpfc_sli *psli = &phba->sli;
3279 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
3280 if (pci_enable_device_mem(pdev)) {
3281 printk(KERN_ERR "lpfc: Cannot re-enable "
3282 "PCI device after reset.\n");
3283 return PCI_ERS_RESULT_DISCONNECT;
3286 pci_restore_state(pdev);
3287 if (pdev->is_busmaster)
3288 pci_set_master(pdev);
3290 spin_lock_irq(&phba->hbalock);
3291 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
3292 spin_unlock_irq(&phba->hbalock);
3294 /* Configure and enable interrupt */
3295 intr_mode = lpfc_enable_intr(phba, phba->intr_mode);
3296 if (intr_mode == LPFC_INTR_ERROR) {
3297 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3298 "0427 Cannot re-enable interrupt after "
3300 return PCI_ERS_RESULT_DISCONNECT;
3302 phba->intr_mode = intr_mode;
3304 /* Take device offline; this will perform cleanup */
3306 lpfc_sli_brdrestart(phba);
3308 /* Log the current active interrupt mode */
3309 lpfc_log_intr_mode(phba, phba->intr_mode);
3311 return PCI_ERS_RESULT_RECOVERED;
3315 * lpfc_io_resume - Resume PCI I/O operation
3316 * @pdev: pointer to PCI device
3318 * This routine is registered to the PCI subsystem for error handling. It is
3319 * called when kernel error recovery tells the lpfc driver that it is ok to
3320 * resume normal PCI operation after PCI bus error recovery. After this call,
3321 * traffic can start to flow from this device again.
3323 static void lpfc_io_resume(struct pci_dev *pdev)
3325 struct Scsi_Host *shost = pci_get_drvdata(pdev);
3326 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3331 static struct pci_device_id lpfc_id_table[] = {
3332 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
3333 PCI_ANY_ID, PCI_ANY_ID, },
3334 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
3335 PCI_ANY_ID, PCI_ANY_ID, },
3336 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
3337 PCI_ANY_ID, PCI_ANY_ID, },
3338 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
3339 PCI_ANY_ID, PCI_ANY_ID, },
3340 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
3341 PCI_ANY_ID, PCI_ANY_ID, },
3342 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
3343 PCI_ANY_ID, PCI_ANY_ID, },
3344 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
3345 PCI_ANY_ID, PCI_ANY_ID, },
3346 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
3347 PCI_ANY_ID, PCI_ANY_ID, },
3348 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
3349 PCI_ANY_ID, PCI_ANY_ID, },
3350 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
3351 PCI_ANY_ID, PCI_ANY_ID, },
3352 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
3353 PCI_ANY_ID, PCI_ANY_ID, },
3354 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
3355 PCI_ANY_ID, PCI_ANY_ID, },
3356 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
3357 PCI_ANY_ID, PCI_ANY_ID, },
3358 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
3359 PCI_ANY_ID, PCI_ANY_ID, },
3360 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
3361 PCI_ANY_ID, PCI_ANY_ID, },
3362 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
3363 PCI_ANY_ID, PCI_ANY_ID, },
3364 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
3365 PCI_ANY_ID, PCI_ANY_ID, },
3366 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
3367 PCI_ANY_ID, PCI_ANY_ID, },
3368 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
3369 PCI_ANY_ID, PCI_ANY_ID, },
3370 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
3371 PCI_ANY_ID, PCI_ANY_ID, },
3372 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
3373 PCI_ANY_ID, PCI_ANY_ID, },
3374 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
3375 PCI_ANY_ID, PCI_ANY_ID, },
3376 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
3377 PCI_ANY_ID, PCI_ANY_ID, },
3378 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
3379 PCI_ANY_ID, PCI_ANY_ID, },
3380 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
3381 PCI_ANY_ID, PCI_ANY_ID, },
3382 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
3383 PCI_ANY_ID, PCI_ANY_ID, },
3384 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
3385 PCI_ANY_ID, PCI_ANY_ID, },
3386 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
3387 PCI_ANY_ID, PCI_ANY_ID, },
3388 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
3389 PCI_ANY_ID, PCI_ANY_ID, },
3390 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
3391 PCI_ANY_ID, PCI_ANY_ID, },
3392 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
3393 PCI_ANY_ID, PCI_ANY_ID, },
3394 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
3395 PCI_ANY_ID, PCI_ANY_ID, },
3396 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
3397 PCI_ANY_ID, PCI_ANY_ID, },
3398 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
3399 PCI_ANY_ID, PCI_ANY_ID, },
3400 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
3401 PCI_ANY_ID, PCI_ANY_ID, },
3402 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
3403 PCI_ANY_ID, PCI_ANY_ID, },
3404 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
3405 PCI_ANY_ID, PCI_ANY_ID, },
3409 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
3411 static struct pci_error_handlers lpfc_err_handler = {
3412 .error_detected = lpfc_io_error_detected,
3413 .slot_reset = lpfc_io_slot_reset,
3414 .resume = lpfc_io_resume,
3417 static struct pci_driver lpfc_driver = {
3418 .name = LPFC_DRIVER_NAME,
3419 .id_table = lpfc_id_table,
3420 .probe = lpfc_pci_probe_one,
3421 .remove = __devexit_p(lpfc_pci_remove_one),
3422 .suspend = lpfc_pci_suspend_one,
3423 .resume = lpfc_pci_resume_one,
3424 .err_handler = &lpfc_err_handler,
3428 * lpfc_init - lpfc module initialization routine
3430 * This routine is to be invoked when the lpfc module is loaded into the
3431 * kernel. The special kernel macro module_init() is used to indicate the
3432 * role of this routine to the kernel as lpfc module entry point.
3436 * -ENOMEM - FC attach transport failed
3437 * all others - failed
3444 printk(LPFC_MODULE_DESC "\n");
3445 printk(LPFC_COPYRIGHT "\n");
3447 if (lpfc_enable_npiv) {
3448 lpfc_transport_functions.vport_create = lpfc_vport_create;
3449 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
3451 lpfc_transport_template =
3452 fc_attach_transport(&lpfc_transport_functions);
3453 if (lpfc_transport_template == NULL)
3455 if (lpfc_enable_npiv) {
3456 lpfc_vport_transport_template =
3457 fc_attach_transport(&lpfc_vport_transport_functions);
3458 if (lpfc_vport_transport_template == NULL) {
3459 fc_release_transport(lpfc_transport_template);
3463 error = pci_register_driver(&lpfc_driver);
3465 fc_release_transport(lpfc_transport_template);
3466 if (lpfc_enable_npiv)
3467 fc_release_transport(lpfc_vport_transport_template);
3474 * lpfc_exit - lpfc module removal routine
3476 * This routine is invoked when the lpfc module is removed from the kernel.
3477 * The special kernel macro module_exit() is used to indicate the role of
3478 * this routine to the kernel as lpfc module exit point.
3483 pci_unregister_driver(&lpfc_driver);
3484 fc_release_transport(lpfc_transport_template);
3485 if (lpfc_enable_npiv)
3486 fc_release_transport(lpfc_vport_transport_template);
3487 if (_dump_buf_data) {
3488 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data "
3490 (1L << _dump_buf_data_order), _dump_buf_data);
3491 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
3494 if (_dump_buf_dif) {
3495 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif "
3497 (1L << _dump_buf_dif_order), _dump_buf_dif);
3498 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
3502 module_init(lpfc_init);
3503 module_exit(lpfc_exit);
3504 MODULE_LICENSE("GPL");
3505 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
3506 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
3507 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);