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>
39 #include "lpfc_disc.h"
40 #include "lpfc_scsi.h"
42 #include "lpfc_logmsg.h"
43 #include "lpfc_crtn.h"
44 #include "lpfc_vport.h"
45 #include "lpfc_version.h"
47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
51 static struct scsi_transport_template *lpfc_transport_template = NULL;
52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
53 static DEFINE_IDR(lpfc_hba_index);
55 /************************************************************************/
57 /* lpfc_config_port_prep */
58 /* This routine will do LPFC initialization prior to the */
59 /* CONFIG_PORT mailbox command. This will be initialized */
60 /* as a SLI layer callback routine. */
61 /* This routine returns 0 on success or -ERESTART if it wants */
62 /* the SLI layer to reset the HBA and try again. Any */
63 /* other return value indicates an error. */
65 /************************************************************************/
67 lpfc_config_port_prep(struct lpfc_hba *phba)
69 lpfc_vpd_t *vp = &phba->vpd;
73 char *lpfc_vpd_data = NULL;
75 static char licensed[56] =
76 "key unlock for use with gnu public licensed code only\0";
77 static int init_key = 1;
79 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
81 phba->link_state = LPFC_HBA_ERROR;
86 phba->link_state = LPFC_INIT_MBX_CMDS;
88 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
90 uint32_t *ptext = (uint32_t *) licensed;
92 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
93 *ptext = cpu_to_be32(*ptext);
97 lpfc_read_nv(phba, pmb);
98 memset((char*)mb->un.varRDnvp.rsvd3, 0,
99 sizeof (mb->un.varRDnvp.rsvd3));
100 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
103 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
105 if (rc != MBX_SUCCESS) {
106 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
107 "0324 Config Port initialization "
108 "error, mbxCmd x%x READ_NVPARM, "
110 mb->mbxCommand, mb->mbxStatus);
111 mempool_free(pmb, phba->mbox_mem_pool);
114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
116 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
120 phba->sli3_options = 0x0;
122 /* Setup and issue mailbox READ REV command */
123 lpfc_read_rev(phba, pmb);
124 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
125 if (rc != MBX_SUCCESS) {
126 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
127 "0439 Adapter failed to init, mbxCmd x%x "
128 "READ_REV, mbxStatus x%x\n",
129 mb->mbxCommand, mb->mbxStatus);
130 mempool_free( pmb, phba->mbox_mem_pool);
136 * The value of rr must be 1 since the driver set the cv field to 1.
137 * This setting requires the FW to set all revision fields.
139 if (mb->un.varRdRev.rr == 0) {
141 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
142 "0440 Adapter failed to init, READ_REV has "
143 "missing revision information.\n");
144 mempool_free(pmb, phba->mbox_mem_pool);
148 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
151 /* Save information as VPD data */
153 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
154 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
155 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
156 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
157 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
158 vp->rev.biuRev = mb->un.varRdRev.biuRev;
159 vp->rev.smRev = mb->un.varRdRev.smRev;
160 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
161 vp->rev.endecRev = mb->un.varRdRev.endecRev;
162 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
163 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
164 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
165 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
166 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
167 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
169 /* If the sli feature level is less then 9, we must
170 * tear down all RPIs and VPIs on link down if NPIV
173 if (vp->rev.feaLevelHigh < 9)
174 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
176 if (lpfc_is_LC_HBA(phba->pcidev->device))
177 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
178 sizeof (phba->RandomData));
180 /* Get adapter VPD information */
181 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
184 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
186 goto out_free_context2;
189 lpfc_dump_mem(phba, pmb, offset);
190 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
192 if (rc != MBX_SUCCESS) {
193 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
194 "0441 VPD not present on adapter, "
195 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
196 mb->mbxCommand, mb->mbxStatus);
197 mb->un.varDmp.word_cnt = 0;
199 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
200 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
201 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
202 mb->un.varDmp.word_cnt);
203 offset += mb->un.varDmp.word_cnt;
204 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
205 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
207 kfree(lpfc_vpd_data);
209 kfree(pmb->context2);
211 mempool_free(pmb, phba->mbox_mem_pool);
215 /* Completion handler for config async event mailbox command. */
217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
219 if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
220 phba->temp_sensor_support = 1;
222 phba->temp_sensor_support = 0;
223 mempool_free(pmboxq, phba->mbox_mem_pool);
227 /************************************************************************/
229 /* lpfc_config_port_post */
230 /* This routine will do LPFC initialization after the */
231 /* CONFIG_PORT mailbox command. This will be initialized */
232 /* as a SLI layer callback routine. */
233 /* This routine returns 0 on success. Any other return value */
234 /* indicates an error. */
236 /************************************************************************/
238 lpfc_config_port_post(struct lpfc_hba *phba)
240 struct lpfc_vport *vport = phba->pport;
243 struct lpfc_dmabuf *mp;
244 struct lpfc_sli *psli = &phba->sli;
245 uint32_t status, timeout;
249 spin_lock_irq(&phba->hbalock);
251 * If the Config port completed correctly the HBA is not
252 * over heated any more.
254 if (phba->over_temp_state == HBA_OVER_TEMP)
255 phba->over_temp_state = HBA_NORMAL_TEMP;
256 spin_unlock_irq(&phba->hbalock);
258 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
260 phba->link_state = LPFC_HBA_ERROR;
265 /* Get login parameters for NID. */
266 lpfc_read_sparam(phba, pmb, 0);
268 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
270 "0448 Adapter failed init, mbxCmd x%x "
271 "READ_SPARM mbxStatus x%x\n",
272 mb->mbxCommand, mb->mbxStatus);
273 phba->link_state = LPFC_HBA_ERROR;
274 mp = (struct lpfc_dmabuf *) pmb->context1;
275 mempool_free( pmb, phba->mbox_mem_pool);
276 lpfc_mbuf_free(phba, mp->virt, mp->phys);
281 mp = (struct lpfc_dmabuf *) pmb->context1;
283 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
284 lpfc_mbuf_free(phba, mp->virt, mp->phys);
286 pmb->context1 = NULL;
288 if (phba->cfg_soft_wwnn)
289 u64_to_wwn(phba->cfg_soft_wwnn,
290 vport->fc_sparam.nodeName.u.wwn);
291 if (phba->cfg_soft_wwpn)
292 u64_to_wwn(phba->cfg_soft_wwpn,
293 vport->fc_sparam.portName.u.wwn);
294 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
295 sizeof (struct lpfc_name));
296 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
297 sizeof (struct lpfc_name));
298 /* If no serial number in VPD data, use low 6 bytes of WWNN */
299 /* This should be consolidated into parse_vpd ? - mr */
300 if (phba->SerialNumber[0] == 0) {
303 outptr = &vport->fc_nodename.u.s.IEEE[0];
304 for (i = 0; i < 12; i++) {
306 j = ((status & 0xf0) >> 4);
308 phba->SerialNumber[i] =
309 (char)((uint8_t) 0x30 + (uint8_t) j);
311 phba->SerialNumber[i] =
312 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
316 phba->SerialNumber[i] =
317 (char)((uint8_t) 0x30 + (uint8_t) j);
319 phba->SerialNumber[i] =
320 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
324 lpfc_read_config(phba, pmb);
326 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
327 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
328 "0453 Adapter failed to init, mbxCmd x%x "
329 "READ_CONFIG, mbxStatus x%x\n",
330 mb->mbxCommand, mb->mbxStatus);
331 phba->link_state = LPFC_HBA_ERROR;
332 mempool_free( pmb, phba->mbox_mem_pool);
336 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
337 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
338 phba->cfg_hba_queue_depth =
339 mb->un.varRdConfig.max_xri + 1;
341 phba->lmt = mb->un.varRdConfig.lmt;
343 /* Get the default values for Model Name and Description */
344 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
346 if ((phba->cfg_link_speed > LINK_SPEED_10G)
347 || ((phba->cfg_link_speed == LINK_SPEED_1G)
348 && !(phba->lmt & LMT_1Gb))
349 || ((phba->cfg_link_speed == LINK_SPEED_2G)
350 && !(phba->lmt & LMT_2Gb))
351 || ((phba->cfg_link_speed == LINK_SPEED_4G)
352 && !(phba->lmt & LMT_4Gb))
353 || ((phba->cfg_link_speed == LINK_SPEED_8G)
354 && !(phba->lmt & LMT_8Gb))
355 || ((phba->cfg_link_speed == LINK_SPEED_10G)
356 && !(phba->lmt & LMT_10Gb))) {
357 /* Reset link speed to auto */
358 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
359 "1302 Invalid speed for this board: "
360 "Reset link speed to auto: x%x\n",
361 phba->cfg_link_speed);
362 phba->cfg_link_speed = LINK_SPEED_AUTO;
365 phba->link_state = LPFC_LINK_DOWN;
367 /* Only process IOCBs on ELS ring till hba_state is READY */
368 if (psli->ring[psli->extra_ring].cmdringaddr)
369 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
370 if (psli->ring[psli->fcp_ring].cmdringaddr)
371 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
372 if (psli->ring[psli->next_ring].cmdringaddr)
373 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
375 /* Post receive buffers for desired rings */
376 if (phba->sli_rev != 3)
377 lpfc_post_rcv_buf(phba);
379 /* Enable appropriate host interrupts */
380 spin_lock_irq(&phba->hbalock);
381 status = readl(phba->HCregaddr);
382 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
383 if (psli->num_rings > 0)
384 status |= HC_R0INT_ENA;
385 if (psli->num_rings > 1)
386 status |= HC_R1INT_ENA;
387 if (psli->num_rings > 2)
388 status |= HC_R2INT_ENA;
389 if (psli->num_rings > 3)
390 status |= HC_R3INT_ENA;
392 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
393 (phba->cfg_poll & DISABLE_FCP_RING_INT))
394 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
396 writel(status, phba->HCregaddr);
397 readl(phba->HCregaddr); /* flush */
398 spin_unlock_irq(&phba->hbalock);
401 * Setup the ring 0 (els) timeout handler
403 timeout = phba->fc_ratov << 1;
404 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
405 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
406 phba->hb_outstanding = 0;
407 phba->last_completion_time = jiffies;
409 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
410 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
412 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
413 lpfc_set_loopback_flag(phba);
414 if (rc != MBX_SUCCESS) {
415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
416 "0454 Adapter failed to init, mbxCmd x%x "
417 "INIT_LINK, mbxStatus x%x\n",
418 mb->mbxCommand, mb->mbxStatus);
420 /* Clear all interrupt enable conditions */
421 writel(0, phba->HCregaddr);
422 readl(phba->HCregaddr); /* flush */
423 /* Clear all pending interrupts */
424 writel(0xffffffff, phba->HAregaddr);
425 readl(phba->HAregaddr); /* flush */
427 phba->link_state = LPFC_HBA_ERROR;
429 mempool_free(pmb, phba->mbox_mem_pool);
432 /* MBOX buffer will be freed in mbox compl */
433 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
434 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
435 pmb->mbox_cmpl = lpfc_config_async_cmpl;
436 pmb->vport = phba->pport;
437 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
439 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
440 lpfc_printf_log(phba,
443 "0456 Adapter failed to issue "
444 "ASYNCEVT_ENABLE mbox status x%x \n.",
446 mempool_free(pmb, phba->mbox_mem_pool);
451 /************************************************************************/
453 /* lpfc_hba_down_prep */
454 /* This routine will do LPFC uninitialization before the */
455 /* HBA is reset when bringing down the SLI Layer. This will be */
456 /* initialized as a SLI layer callback routine. */
457 /* This routine returns 0 on success. Any other return value */
458 /* indicates an error. */
460 /************************************************************************/
462 lpfc_hba_down_prep(struct lpfc_hba *phba)
464 struct lpfc_vport **vports;
466 /* Disable interrupts */
467 writel(0, phba->HCregaddr);
468 readl(phba->HCregaddr); /* flush */
470 if (phba->pport->load_flag & FC_UNLOADING)
471 lpfc_cleanup_discovery_resources(phba->pport);
473 vports = lpfc_create_vport_work_array(phba);
475 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
476 lpfc_cleanup_discovery_resources(vports[i]);
477 lpfc_destroy_vport_work_array(phba, vports);
482 /************************************************************************/
484 /* lpfc_hba_down_post */
485 /* This routine will do uninitialization after the HBA is reset */
486 /* when bringing down the SLI Layer. */
487 /* This routine returns 0 on success. Any other return value */
488 /* indicates an error. */
490 /************************************************************************/
492 lpfc_hba_down_post(struct lpfc_hba *phba)
494 struct lpfc_sli *psli = &phba->sli;
495 struct lpfc_sli_ring *pring;
496 struct lpfc_dmabuf *mp, *next_mp;
497 struct lpfc_iocbq *iocb;
499 LIST_HEAD(completions);
502 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
503 lpfc_sli_hbqbuf_free_all(phba);
505 /* Cleanup preposted buffers on the ELS ring */
506 pring = &psli->ring[LPFC_ELS_RING];
507 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
509 pring->postbufq_cnt--;
510 lpfc_mbuf_free(phba, mp->virt, mp->phys);
515 spin_lock_irq(&phba->hbalock);
516 for (i = 0; i < psli->num_rings; i++) {
517 pring = &psli->ring[i];
519 /* At this point in time the HBA is either reset or DOA. Either
520 * way, nothing should be on txcmplq as it will NEVER complete.
522 list_splice_init(&pring->txcmplq, &completions);
523 pring->txcmplq_cnt = 0;
524 spin_unlock_irq(&phba->hbalock);
526 while (!list_empty(&completions)) {
527 iocb = list_get_first(&completions, struct lpfc_iocbq,
530 list_del_init(&iocb->list);
532 if (!iocb->iocb_cmpl)
533 lpfc_sli_release_iocbq(phba, iocb);
535 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
536 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
537 (iocb->iocb_cmpl) (phba, iocb, iocb);
541 lpfc_sli_abort_iocb_ring(phba, pring);
542 spin_lock_irq(&phba->hbalock);
544 spin_unlock_irq(&phba->hbalock);
549 /* HBA heart beat timeout handler */
551 lpfc_hb_timeout(unsigned long ptr)
553 struct lpfc_hba *phba;
557 phba = (struct lpfc_hba *)ptr;
558 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
559 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
561 phba->pport->work_port_events |= WORKER_HB_TMO;
562 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
565 lpfc_worker_wake_up(phba);
570 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
572 unsigned long drvr_flag;
574 spin_lock_irqsave(&phba->hbalock, drvr_flag);
575 phba->hb_outstanding = 0;
576 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
578 mempool_free(pmboxq, phba->mbox_mem_pool);
579 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
580 !(phba->link_state == LPFC_HBA_ERROR) &&
581 !(phba->pport->load_flag & FC_UNLOADING))
582 mod_timer(&phba->hb_tmofunc,
583 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
588 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
590 LPFC_MBOXQ_t *pmboxq;
591 struct lpfc_dmabuf *buf_ptr;
593 struct lpfc_sli *psli = &phba->sli;
594 LIST_HEAD(completions);
596 if ((phba->link_state == LPFC_HBA_ERROR) ||
597 (phba->pport->load_flag & FC_UNLOADING) ||
598 (phba->pport->fc_flag & FC_OFFLINE_MODE))
601 spin_lock_irq(&phba->pport->work_port_lock);
602 /* If the timer is already canceled do nothing */
603 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
604 spin_unlock_irq(&phba->pport->work_port_lock);
608 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
610 spin_unlock_irq(&phba->pport->work_port_lock);
611 if (!phba->hb_outstanding)
612 mod_timer(&phba->hb_tmofunc,
613 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
615 mod_timer(&phba->hb_tmofunc,
616 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
619 spin_unlock_irq(&phba->pport->work_port_lock);
621 if (phba->elsbuf_cnt &&
622 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
623 spin_lock_irq(&phba->hbalock);
624 list_splice_init(&phba->elsbuf, &completions);
625 phba->elsbuf_cnt = 0;
626 phba->elsbuf_prev_cnt = 0;
627 spin_unlock_irq(&phba->hbalock);
629 while (!list_empty(&completions)) {
630 list_remove_head(&completions, buf_ptr,
631 struct lpfc_dmabuf, list);
632 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
636 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
638 /* If there is no heart beat outstanding, issue a heartbeat command */
639 if (phba->cfg_enable_hba_heartbeat) {
640 if (!phba->hb_outstanding) {
641 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
643 mod_timer(&phba->hb_tmofunc,
644 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
648 lpfc_heart_beat(phba, pmboxq);
649 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
650 pmboxq->vport = phba->pport;
651 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
653 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
654 mempool_free(pmboxq, phba->mbox_mem_pool);
655 mod_timer(&phba->hb_tmofunc,
656 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
659 mod_timer(&phba->hb_tmofunc,
660 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
661 phba->hb_outstanding = 1;
665 * If heart beat timeout called with hb_outstanding set
666 * we need to take the HBA offline.
668 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
669 "0459 Adapter heartbeat failure, "
670 "taking this port offline.\n");
672 spin_lock_irq(&phba->hbalock);
673 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
674 spin_unlock_irq(&phba->hbalock);
676 lpfc_offline_prep(phba);
678 lpfc_unblock_mgmt_io(phba);
679 phba->link_state = LPFC_HBA_ERROR;
680 lpfc_hba_down_post(phba);
686 lpfc_offline_eratt(struct lpfc_hba *phba)
688 struct lpfc_sli *psli = &phba->sli;
690 spin_lock_irq(&phba->hbalock);
691 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
692 spin_unlock_irq(&phba->hbalock);
693 lpfc_offline_prep(phba);
696 lpfc_reset_barrier(phba);
697 lpfc_sli_brdreset(phba);
698 lpfc_hba_down_post(phba);
699 lpfc_sli_brdready(phba, HS_MBRDY);
700 lpfc_unblock_mgmt_io(phba);
701 phba->link_state = LPFC_HBA_ERROR;
705 /************************************************************************/
707 /* lpfc_handle_eratt */
708 /* This routine will handle processing a Host Attention */
709 /* Error Status event. This will be initialized */
710 /* as a SLI layer callback routine. */
712 /************************************************************************/
714 lpfc_handle_eratt(struct lpfc_hba *phba)
716 struct lpfc_vport *vport = phba->pport;
717 struct lpfc_sli *psli = &phba->sli;
718 struct lpfc_sli_ring *pring;
720 unsigned long temperature;
721 struct temp_event temp_event_data;
722 struct Scsi_Host *shost;
724 /* If the pci channel is offline, ignore possible errors,
725 * since we cannot communicate with the pci card anyway. */
726 if (pci_channel_offline(phba->pcidev))
728 /* If resets are disabled then leave the HBA alone and return */
729 if (!phba->cfg_enable_hba_reset)
732 if (phba->work_hs & HS_FFER6) {
733 /* Re-establishing Link */
734 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
735 "1301 Re-establishing Link "
736 "Data: x%x x%x x%x\n",
738 phba->work_status[0], phba->work_status[1]);
740 spin_lock_irq(&phba->hbalock);
741 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
742 spin_unlock_irq(&phba->hbalock);
745 * Firmware stops when it triggled erratt with HS_FFER6.
746 * That could cause the I/Os dropped by the firmware.
747 * Error iocb (I/O) on txcmplq and let the SCSI layer
748 * retry it after re-establishing link.
750 pring = &psli->ring[psli->fcp_ring];
751 lpfc_sli_abort_iocb_ring(phba, pring);
754 * There was a firmware error. Take the hba offline and then
755 * attempt to restart it.
757 lpfc_offline_prep(phba);
759 lpfc_sli_brdrestart(phba);
760 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
761 lpfc_unblock_mgmt_io(phba);
764 lpfc_unblock_mgmt_io(phba);
765 } else if (phba->work_hs & HS_CRIT_TEMP) {
766 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
767 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
768 temp_event_data.event_code = LPFC_CRIT_TEMP;
769 temp_event_data.data = (uint32_t)temperature;
771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
772 "0459 Adapter maximum temperature exceeded "
773 "(%ld), taking this port offline "
774 "Data: x%x x%x x%x\n",
775 temperature, phba->work_hs,
776 phba->work_status[0], phba->work_status[1]);
778 shost = lpfc_shost_from_vport(phba->pport);
779 fc_host_post_vendor_event(shost, fc_get_event_number(),
780 sizeof(temp_event_data),
781 (char *) &temp_event_data,
783 | PCI_VENDOR_ID_EMULEX);
785 spin_lock_irq(&phba->hbalock);
786 phba->over_temp_state = HBA_OVER_TEMP;
787 spin_unlock_irq(&phba->hbalock);
788 lpfc_offline_eratt(phba);
791 /* The if clause above forces this code path when the status
792 * failure is a value other than FFER6. Do not call the offline
793 * twice. This is the adapter hardware error path.
795 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
796 "0457 Adapter Hardware Error "
797 "Data: x%x x%x x%x\n",
799 phba->work_status[0], phba->work_status[1]);
801 event_data = FC_REG_DUMP_EVENT;
802 shost = lpfc_shost_from_vport(vport);
803 fc_host_post_vendor_event(shost, fc_get_event_number(),
804 sizeof(event_data), (char *) &event_data,
805 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
807 lpfc_offline_eratt(phba);
811 /************************************************************************/
813 /* lpfc_handle_latt */
814 /* This routine will handle processing a Host Attention */
815 /* Link Status event. This will be initialized */
816 /* as a SLI layer callback routine. */
818 /************************************************************************/
820 lpfc_handle_latt(struct lpfc_hba *phba)
822 struct lpfc_vport *vport = phba->pport;
823 struct lpfc_sli *psli = &phba->sli;
825 volatile uint32_t control;
826 struct lpfc_dmabuf *mp;
829 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
832 goto lpfc_handle_latt_err_exit;
835 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
838 goto lpfc_handle_latt_free_pmb;
841 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
844 goto lpfc_handle_latt_free_mp;
847 /* Cleanup any outstanding ELS commands */
848 lpfc_els_flush_all_cmd(phba);
850 psli->slistat.link_event++;
851 lpfc_read_la(phba, pmb, mp);
852 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
854 /* Block ELS IOCBs until we have processed this mbox command */
855 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
856 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
857 if (rc == MBX_NOT_FINISHED) {
859 goto lpfc_handle_latt_free_mbuf;
862 /* Clear Link Attention in HA REG */
863 spin_lock_irq(&phba->hbalock);
864 writel(HA_LATT, phba->HAregaddr);
865 readl(phba->HAregaddr); /* flush */
866 spin_unlock_irq(&phba->hbalock);
870 lpfc_handle_latt_free_mbuf:
871 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
872 lpfc_mbuf_free(phba, mp->virt, mp->phys);
873 lpfc_handle_latt_free_mp:
875 lpfc_handle_latt_free_pmb:
876 mempool_free(pmb, phba->mbox_mem_pool);
877 lpfc_handle_latt_err_exit:
878 /* Enable Link attention interrupts */
879 spin_lock_irq(&phba->hbalock);
880 psli->sli_flag |= LPFC_PROCESS_LA;
881 control = readl(phba->HCregaddr);
882 control |= HC_LAINT_ENA;
883 writel(control, phba->HCregaddr);
884 readl(phba->HCregaddr); /* flush */
886 /* Clear Link Attention in HA REG */
887 writel(HA_LATT, phba->HAregaddr);
888 readl(phba->HAregaddr); /* flush */
889 spin_unlock_irq(&phba->hbalock);
891 phba->link_state = LPFC_HBA_ERROR;
893 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
894 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
899 /************************************************************************/
902 /* This routine will parse the VPD data */
904 /************************************************************************/
906 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
908 uint8_t lenlo, lenhi;
918 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
919 "0455 Vital Product Data: x%x x%x x%x x%x\n",
920 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
922 while (!finished && (index < (len - 4))) {
923 switch (vpd[index]) {
931 i = ((((unsigned short)lenhi) << 8) + lenlo);
940 Length = ((((unsigned short)lenhi) << 8) + lenlo);
941 if (Length > len - index)
942 Length = len - index;
944 /* Look for Serial Number */
945 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
952 phba->SerialNumber[j++] = vpd[index++];
956 phba->SerialNumber[j] = 0;
959 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
960 phba->vpd_flag |= VPD_MODEL_DESC;
967 phba->ModelDesc[j++] = vpd[index++];
971 phba->ModelDesc[j] = 0;
974 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
975 phba->vpd_flag |= VPD_MODEL_NAME;
982 phba->ModelName[j++] = vpd[index++];
986 phba->ModelName[j] = 0;
989 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
990 phba->vpd_flag |= VPD_PROGRAM_TYPE;
997 phba->ProgramType[j++] = vpd[index++];
1001 phba->ProgramType[j] = 0;
1004 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1005 phba->vpd_flag |= VPD_PORT;
1012 phba->Port[j++] = vpd[index++];
1042 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1045 uint16_t dev_id = phba->pcidev->device;
1051 } m = {"<Unknown>", 0, ""};
1053 if (mdp && mdp[0] != '\0'
1054 && descp && descp[0] != '\0')
1057 if (phba->lmt & LMT_10Gb)
1059 else if (phba->lmt & LMT_8Gb)
1061 else if (phba->lmt & LMT_4Gb)
1063 else if (phba->lmt & LMT_2Gb)
1071 case PCI_DEVICE_ID_FIREFLY:
1072 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1074 case PCI_DEVICE_ID_SUPERFLY:
1075 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1076 m = (typeof(m)){"LP7000", max_speed, "PCI"};
1078 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1080 case PCI_DEVICE_ID_DRAGONFLY:
1081 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1083 case PCI_DEVICE_ID_CENTAUR:
1084 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1085 m = (typeof(m)){"LP9002", max_speed, "PCI"};
1087 m = (typeof(m)){"LP9000", max_speed, "PCI"};
1089 case PCI_DEVICE_ID_RFLY:
1090 m = (typeof(m)){"LP952", max_speed, "PCI"};
1092 case PCI_DEVICE_ID_PEGASUS:
1093 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1095 case PCI_DEVICE_ID_THOR:
1096 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1098 case PCI_DEVICE_ID_VIPER:
1099 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
1101 case PCI_DEVICE_ID_PFLY:
1102 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1104 case PCI_DEVICE_ID_TFLY:
1105 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1107 case PCI_DEVICE_ID_HELIOS:
1108 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1110 case PCI_DEVICE_ID_HELIOS_SCSP:
1111 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1113 case PCI_DEVICE_ID_HELIOS_DCSP:
1114 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1116 case PCI_DEVICE_ID_NEPTUNE:
1117 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1119 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1120 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1122 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1123 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1125 case PCI_DEVICE_ID_BMID:
1126 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1128 case PCI_DEVICE_ID_BSMB:
1129 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1131 case PCI_DEVICE_ID_ZEPHYR:
1132 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1134 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1135 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1137 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1138 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1140 case PCI_DEVICE_ID_ZMID:
1141 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1143 case PCI_DEVICE_ID_ZSMB:
1144 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1146 case PCI_DEVICE_ID_LP101:
1147 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1149 case PCI_DEVICE_ID_LP10000S:
1150 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1152 case PCI_DEVICE_ID_LP11000S:
1153 m = (typeof(m)){"LP11000-S", max_speed,
1156 case PCI_DEVICE_ID_LPE11000S:
1157 m = (typeof(m)){"LPe11000-S", max_speed,
1160 case PCI_DEVICE_ID_SAT:
1161 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1163 case PCI_DEVICE_ID_SAT_MID:
1164 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1166 case PCI_DEVICE_ID_SAT_SMB:
1167 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1169 case PCI_DEVICE_ID_SAT_DCSP:
1170 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1172 case PCI_DEVICE_ID_SAT_SCSP:
1173 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1175 case PCI_DEVICE_ID_SAT_S:
1176 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1179 m = (typeof(m)){ NULL };
1183 if (mdp && mdp[0] == '\0')
1184 snprintf(mdp, 79,"%s", m.name);
1185 if (descp && descp[0] == '\0')
1186 snprintf(descp, 255,
1187 "Emulex %s %dGb %s Fibre Channel Adapter",
1188 m.name, m.max_speed, m.bus);
1191 /**************************************************/
1192 /* lpfc_post_buffer */
1194 /* This routine will post count buffers to the */
1195 /* ring with the QUE_RING_BUF_CN command. This */
1196 /* allows 3 buffers / command to be posted. */
1197 /* Returns the number of buffers NOT posted. */
1198 /**************************************************/
1200 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1204 struct lpfc_iocbq *iocb;
1205 struct lpfc_dmabuf *mp1, *mp2;
1207 cnt += pring->missbufcnt;
1209 /* While there are buffers to post */
1211 /* Allocate buffer for command iocb */
1212 iocb = lpfc_sli_get_iocbq(phba);
1214 pring->missbufcnt = cnt;
1219 /* 2 buffers can be posted per command */
1220 /* Allocate buffer to post */
1221 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1223 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1224 if (!mp1 || !mp1->virt) {
1226 lpfc_sli_release_iocbq(phba, iocb);
1227 pring->missbufcnt = cnt;
1231 INIT_LIST_HEAD(&mp1->list);
1232 /* Allocate buffer to post */
1234 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1236 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1238 if (!mp2 || !mp2->virt) {
1240 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1242 lpfc_sli_release_iocbq(phba, iocb);
1243 pring->missbufcnt = cnt;
1247 INIT_LIST_HEAD(&mp2->list);
1252 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1253 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1254 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1255 icmd->ulpBdeCount = 1;
1258 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1259 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1260 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1262 icmd->ulpBdeCount = 2;
1265 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1268 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1269 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1273 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1277 lpfc_sli_release_iocbq(phba, iocb);
1278 pring->missbufcnt = cnt;
1281 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1283 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1285 pring->missbufcnt = 0;
1289 /************************************************************************/
1291 /* lpfc_post_rcv_buf */
1292 /* This routine post initial rcv buffers to the configured rings */
1294 /************************************************************************/
1296 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1298 struct lpfc_sli *psli = &phba->sli;
1300 /* Ring 0, ELS / CT buffers */
1301 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1302 /* Ring 2 - FCP no buffers needed */
1307 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1309 /************************************************************************/
1313 /************************************************************************/
1315 lpfc_sha_init(uint32_t * HashResultPointer)
1317 HashResultPointer[0] = 0x67452301;
1318 HashResultPointer[1] = 0xEFCDAB89;
1319 HashResultPointer[2] = 0x98BADCFE;
1320 HashResultPointer[3] = 0x10325476;
1321 HashResultPointer[4] = 0xC3D2E1F0;
1324 /************************************************************************/
1326 /* lpfc_sha_iterate */
1328 /************************************************************************/
1330 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1334 uint32_t A, B, C, D, E;
1337 HashWorkingPointer[t] =
1339 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1341 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1342 } while (++t <= 79);
1344 A = HashResultPointer[0];
1345 B = HashResultPointer[1];
1346 C = HashResultPointer[2];
1347 D = HashResultPointer[3];
1348 E = HashResultPointer[4];
1352 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1353 } else if (t < 40) {
1354 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1355 } else if (t < 60) {
1356 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1358 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1360 TEMP += S(5, A) + E + HashWorkingPointer[t];
1366 } while (++t <= 79);
1368 HashResultPointer[0] += A;
1369 HashResultPointer[1] += B;
1370 HashResultPointer[2] += C;
1371 HashResultPointer[3] += D;
1372 HashResultPointer[4] += E;
1376 /************************************************************************/
1378 /* lpfc_challenge_key */
1380 /************************************************************************/
1382 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1384 *HashWorking = (*RandomChallenge ^ *HashWorking);
1387 /************************************************************************/
1391 /************************************************************************/
1393 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1396 uint32_t *HashWorking;
1397 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1399 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1403 HashWorking[0] = HashWorking[78] = *pwwnn++;
1404 HashWorking[1] = HashWorking[79] = *pwwnn;
1406 for (t = 0; t < 7; t++)
1407 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1409 lpfc_sha_init(hbainit);
1410 lpfc_sha_iterate(hbainit, HashWorking);
1415 lpfc_cleanup(struct lpfc_vport *vport)
1417 struct lpfc_hba *phba = vport->phba;
1418 struct lpfc_nodelist *ndlp, *next_ndlp;
1421 if (phba->link_state > LPFC_LINK_DOWN)
1422 lpfc_port_link_failure(vport);
1424 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1425 if (!NLP_CHK_NODE_ACT(ndlp)) {
1426 ndlp = lpfc_enable_node(vport, ndlp,
1427 NLP_STE_UNUSED_NODE);
1430 spin_lock_irq(&phba->ndlp_lock);
1431 NLP_SET_FREE_REQ(ndlp);
1432 spin_unlock_irq(&phba->ndlp_lock);
1433 /* Trigger the release of the ndlp memory */
1437 spin_lock_irq(&phba->ndlp_lock);
1438 if (NLP_CHK_FREE_REQ(ndlp)) {
1439 /* The ndlp should not be in memory free mode already */
1440 spin_unlock_irq(&phba->ndlp_lock);
1443 /* Indicate request for freeing ndlp memory */
1444 NLP_SET_FREE_REQ(ndlp);
1445 spin_unlock_irq(&phba->ndlp_lock);
1447 if (vport->port_type != LPFC_PHYSICAL_PORT &&
1448 ndlp->nlp_DID == Fabric_DID) {
1449 /* Just free up ndlp with Fabric_DID for vports */
1454 if (ndlp->nlp_type & NLP_FABRIC)
1455 lpfc_disc_state_machine(vport, ndlp, NULL,
1456 NLP_EVT_DEVICE_RECOVERY);
1458 lpfc_disc_state_machine(vport, ndlp, NULL,
1462 /* At this point, ALL ndlp's should be gone
1463 * because of the previous NLP_EVT_DEVICE_RM.
1464 * Lets wait for this to happen, if needed.
1466 while (!list_empty(&vport->fc_nodes)) {
1469 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1470 "0233 Nodelist not empty\n");
1471 list_for_each_entry_safe(ndlp, next_ndlp,
1472 &vport->fc_nodes, nlp_listp) {
1473 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1475 "0282: did:x%x ndlp:x%p "
1476 "usgmap:x%x refcnt:%d\n",
1477 ndlp->nlp_DID, (void *)ndlp,
1480 &ndlp->kref.refcount));
1485 /* Wait for any activity on ndlps to settle */
1492 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1494 del_timer_sync(&vport->els_tmofunc);
1495 del_timer_sync(&vport->fc_fdmitmo);
1496 lpfc_can_disctmo(vport);
1501 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1503 del_timer_sync(&phba->fcp_poll_timer);
1504 lpfc_stop_vport_timers(phba->pport);
1505 del_timer_sync(&phba->sli.mbox_tmo);
1506 del_timer_sync(&phba->fabric_block_timer);
1507 phba->hb_outstanding = 0;
1508 del_timer_sync(&phba->hb_tmofunc);
1513 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1515 unsigned long iflag;
1517 spin_lock_irqsave(&phba->hbalock, iflag);
1518 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1519 spin_unlock_irqrestore(&phba->hbalock, iflag);
1523 lpfc_online(struct lpfc_hba *phba)
1525 struct lpfc_vport *vport = phba->pport;
1526 struct lpfc_vport **vports;
1532 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1535 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1536 "0458 Bring Adapter online\n");
1538 lpfc_block_mgmt_io(phba);
1540 if (!lpfc_sli_queue_setup(phba)) {
1541 lpfc_unblock_mgmt_io(phba);
1545 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1546 lpfc_unblock_mgmt_io(phba);
1550 vports = lpfc_create_vport_work_array(phba);
1552 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1553 struct Scsi_Host *shost;
1554 shost = lpfc_shost_from_vport(vports[i]);
1555 spin_lock_irq(shost->host_lock);
1556 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1557 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1558 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1559 spin_unlock_irq(shost->host_lock);
1561 lpfc_destroy_vport_work_array(phba, vports);
1563 lpfc_unblock_mgmt_io(phba);
1568 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1570 unsigned long iflag;
1572 spin_lock_irqsave(&phba->hbalock, iflag);
1573 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1574 spin_unlock_irqrestore(&phba->hbalock, iflag);
1578 lpfc_offline_prep(struct lpfc_hba * phba)
1580 struct lpfc_vport *vport = phba->pport;
1581 struct lpfc_nodelist *ndlp, *next_ndlp;
1582 struct lpfc_vport **vports;
1585 if (vport->fc_flag & FC_OFFLINE_MODE)
1588 lpfc_block_mgmt_io(phba);
1590 lpfc_linkdown(phba);
1592 /* Issue an unreg_login to all nodes on all vports */
1593 vports = lpfc_create_vport_work_array(phba);
1594 if (vports != NULL) {
1595 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1596 struct Scsi_Host *shost;
1598 if (vports[i]->load_flag & FC_UNLOADING)
1600 shost = lpfc_shost_from_vport(vports[i]);
1601 list_for_each_entry_safe(ndlp, next_ndlp,
1602 &vports[i]->fc_nodes,
1604 if (!NLP_CHK_NODE_ACT(ndlp))
1606 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1608 if (ndlp->nlp_type & NLP_FABRIC) {
1609 lpfc_disc_state_machine(vports[i], ndlp,
1610 NULL, NLP_EVT_DEVICE_RECOVERY);
1611 lpfc_disc_state_machine(vports[i], ndlp,
1612 NULL, NLP_EVT_DEVICE_RM);
1614 spin_lock_irq(shost->host_lock);
1615 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1616 spin_unlock_irq(shost->host_lock);
1617 lpfc_unreg_rpi(vports[i], ndlp);
1621 lpfc_destroy_vport_work_array(phba, vports);
1623 lpfc_sli_flush_mbox_queue(phba);
1627 lpfc_offline(struct lpfc_hba *phba)
1629 struct Scsi_Host *shost;
1630 struct lpfc_vport **vports;
1633 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1636 /* stop all timers associated with this hba */
1637 lpfc_stop_phba_timers(phba);
1638 vports = lpfc_create_vport_work_array(phba);
1640 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1641 lpfc_stop_vport_timers(vports[i]);
1642 lpfc_destroy_vport_work_array(phba, vports);
1643 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1644 "0460 Bring Adapter offline\n");
1645 /* Bring down the SLI Layer and cleanup. The HBA is offline
1647 lpfc_sli_hba_down(phba);
1648 spin_lock_irq(&phba->hbalock);
1650 spin_unlock_irq(&phba->hbalock);
1651 vports = lpfc_create_vport_work_array(phba);
1653 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1654 shost = lpfc_shost_from_vport(vports[i]);
1655 spin_lock_irq(shost->host_lock);
1656 vports[i]->work_port_events = 0;
1657 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1658 spin_unlock_irq(shost->host_lock);
1660 lpfc_destroy_vport_work_array(phba, vports);
1663 /******************************************************************************
1664 * Function name: lpfc_scsi_free
1666 * Description: Called from lpfc_pci_remove_one free internal driver resources
1668 ******************************************************************************/
1670 lpfc_scsi_free(struct lpfc_hba *phba)
1672 struct lpfc_scsi_buf *sb, *sb_next;
1673 struct lpfc_iocbq *io, *io_next;
1675 spin_lock_irq(&phba->hbalock);
1676 /* Release all the lpfc_scsi_bufs maintained by this host. */
1677 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1678 list_del(&sb->list);
1679 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1682 phba->total_scsi_bufs--;
1685 /* Release all the lpfc_iocbq entries maintained by this host. */
1686 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1687 list_del(&io->list);
1689 phba->total_iocbq_bufs--;
1692 spin_unlock_irq(&phba->hbalock);
1698 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1700 struct lpfc_vport *vport;
1701 struct Scsi_Host *shost;
1704 if (dev != &phba->pcidev->dev)
1705 shost = scsi_host_alloc(&lpfc_vport_template,
1706 sizeof(struct lpfc_vport));
1708 shost = scsi_host_alloc(&lpfc_template,
1709 sizeof(struct lpfc_vport));
1713 vport = (struct lpfc_vport *) shost->hostdata;
1715 vport->load_flag |= FC_LOADING;
1716 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1717 vport->fc_rscn_flush = 0;
1719 lpfc_get_vport_cfgparam(vport);
1720 shost->unique_id = instance;
1721 shost->max_id = LPFC_MAX_TARGET;
1722 shost->max_lun = vport->cfg_max_luns;
1723 shost->this_id = -1;
1724 shost->max_cmd_len = 16;
1726 * Set initial can_queue value since 0 is no longer supported and
1727 * scsi_add_host will fail. This will be adjusted later based on the
1728 * max xri value determined in hba setup.
1730 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1731 if (dev != &phba->pcidev->dev) {
1732 shost->transportt = lpfc_vport_transport_template;
1733 vport->port_type = LPFC_NPIV_PORT;
1735 shost->transportt = lpfc_transport_template;
1736 vport->port_type = LPFC_PHYSICAL_PORT;
1739 /* Initialize all internally managed lists. */
1740 INIT_LIST_HEAD(&vport->fc_nodes);
1741 spin_lock_init(&vport->work_port_lock);
1743 init_timer(&vport->fc_disctmo);
1744 vport->fc_disctmo.function = lpfc_disc_timeout;
1745 vport->fc_disctmo.data = (unsigned long)vport;
1747 init_timer(&vport->fc_fdmitmo);
1748 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1749 vport->fc_fdmitmo.data = (unsigned long)vport;
1751 init_timer(&vport->els_tmofunc);
1752 vport->els_tmofunc.function = lpfc_els_timeout;
1753 vport->els_tmofunc.data = (unsigned long)vport;
1755 error = scsi_add_host(shost, dev);
1759 spin_lock_irq(&phba->hbalock);
1760 list_add_tail(&vport->listentry, &phba->port_list);
1761 spin_unlock_irq(&phba->hbalock);
1765 scsi_host_put(shost);
1771 destroy_port(struct lpfc_vport *vport)
1773 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1774 struct lpfc_hba *phba = vport->phba;
1776 kfree(vport->vname);
1778 lpfc_debugfs_terminate(vport);
1779 fc_remove_host(shost);
1780 scsi_remove_host(shost);
1782 spin_lock_irq(&phba->hbalock);
1783 list_del_init(&vport->listentry);
1784 spin_unlock_irq(&phba->hbalock);
1786 lpfc_cleanup(vport);
1791 lpfc_get_instance(void)
1795 /* Assign an unused number */
1796 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1798 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1804 * Note: there is no scan_start function as adapter initialization
1805 * will have asynchronously kicked off the link initialization.
1808 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1810 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1811 struct lpfc_hba *phba = vport->phba;
1814 spin_lock_irq(shost->host_lock);
1816 if (vport->load_flag & FC_UNLOADING) {
1820 if (time >= 30 * HZ) {
1821 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1822 "0461 Scanning longer than 30 "
1823 "seconds. Continuing initialization\n");
1827 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1828 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1829 "0465 Link down longer than 15 "
1830 "seconds. Continuing initialization\n");
1835 if (vport->port_state != LPFC_VPORT_READY)
1837 if (vport->num_disc_nodes || vport->fc_prli_sent)
1839 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1841 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1847 spin_unlock_irq(shost->host_lock);
1851 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1853 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1854 struct lpfc_hba *phba = vport->phba;
1856 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1859 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1860 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1861 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1863 memset(fc_host_supported_fc4s(shost), 0,
1864 sizeof(fc_host_supported_fc4s(shost)));
1865 fc_host_supported_fc4s(shost)[2] = 1;
1866 fc_host_supported_fc4s(shost)[7] = 1;
1868 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1869 sizeof fc_host_symbolic_name(shost));
1871 fc_host_supported_speeds(shost) = 0;
1872 if (phba->lmt & LMT_10Gb)
1873 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1874 if (phba->lmt & LMT_8Gb)
1875 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1876 if (phba->lmt & LMT_4Gb)
1877 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1878 if (phba->lmt & LMT_2Gb)
1879 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1880 if (phba->lmt & LMT_1Gb)
1881 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1883 fc_host_maxframe_size(shost) =
1884 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1885 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1887 /* This value is also unchanging */
1888 memset(fc_host_active_fc4s(shost), 0,
1889 sizeof(fc_host_active_fc4s(shost)));
1890 fc_host_active_fc4s(shost)[2] = 1;
1891 fc_host_active_fc4s(shost)[7] = 1;
1893 fc_host_max_npiv_vports(shost) = phba->max_vpi;
1894 spin_lock_irq(shost->host_lock);
1895 vport->load_flag &= ~FC_LOADING;
1896 spin_unlock_irq(shost->host_lock);
1900 lpfc_enable_msix(struct lpfc_hba *phba)
1904 phba->msix_entries[0].entry = 0;
1905 phba->msix_entries[0].vector = 0;
1907 error = pci_enable_msix(phba->pcidev, phba->msix_entries,
1908 ARRAY_SIZE(phba->msix_entries));
1910 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1911 "0420 Enable MSI-X failed (%d), continuing "
1912 "with MSI\n", error);
1913 pci_disable_msix(phba->pcidev);
1917 error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
1918 LPFC_DRIVER_NAME, phba);
1920 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1921 "0421 MSI-X request_irq failed (%d), "
1922 "continuing with MSI\n", error);
1923 pci_disable_msix(phba->pcidev);
1929 lpfc_disable_msix(struct lpfc_hba *phba)
1931 free_irq(phba->msix_entries[0].vector, phba);
1932 pci_disable_msix(phba->pcidev);
1935 static int __devinit
1936 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1938 struct lpfc_vport *vport = NULL;
1939 struct lpfc_hba *phba;
1940 struct lpfc_sli *psli;
1941 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1942 struct Scsi_Host *shost = NULL;
1944 unsigned long bar0map_len, bar2map_len;
1945 int error = -ENODEV, retval;
1948 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1950 if (pci_enable_device_mem(pdev))
1952 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
1953 goto out_disable_device;
1955 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1957 goto out_release_regions;
1959 spin_lock_init(&phba->hbalock);
1961 /* Initialize ndlp management spinlock */
1962 spin_lock_init(&phba->ndlp_lock);
1964 phba->pcidev = pdev;
1966 /* Assign an unused board number */
1967 if ((phba->brd_no = lpfc_get_instance()) < 0)
1970 INIT_LIST_HEAD(&phba->port_list);
1972 * Get all the module params for configuring this host and then
1973 * establish the host.
1975 lpfc_get_cfgparam(phba);
1976 phba->max_vpi = LPFC_MAX_VPI;
1978 /* Initialize timers used by driver */
1979 init_timer(&phba->hb_tmofunc);
1980 phba->hb_tmofunc.function = lpfc_hb_timeout;
1981 phba->hb_tmofunc.data = (unsigned long)phba;
1984 init_timer(&psli->mbox_tmo);
1985 psli->mbox_tmo.function = lpfc_mbox_timeout;
1986 psli->mbox_tmo.data = (unsigned long) phba;
1987 init_timer(&phba->fcp_poll_timer);
1988 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1989 phba->fcp_poll_timer.data = (unsigned long) phba;
1990 init_timer(&phba->fabric_block_timer);
1991 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1992 phba->fabric_block_timer.data = (unsigned long) phba;
1994 pci_set_master(pdev);
1995 pci_try_set_mwi(pdev);
1997 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1998 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1999 goto out_idr_remove;
2002 * Get the bus address of Bar0 and Bar2 and the number of bytes
2003 * required by each mapping.
2005 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
2006 bar0map_len = pci_resource_len(phba->pcidev, 0);
2008 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
2009 bar2map_len = pci_resource_len(phba->pcidev, 2);
2011 /* Map HBA SLIM to a kernel virtual address. */
2012 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
2013 if (!phba->slim_memmap_p) {
2015 dev_printk(KERN_ERR, &pdev->dev,
2016 "ioremap failed for SLIM memory.\n");
2017 goto out_idr_remove;
2020 /* Map HBA Control Registers to a kernel virtual address. */
2021 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2022 if (!phba->ctrl_regs_memmap_p) {
2024 dev_printk(KERN_ERR, &pdev->dev,
2025 "ioremap failed for HBA control registers.\n");
2026 goto out_iounmap_slim;
2029 /* Allocate memory for SLI-2 structures */
2030 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
2031 &phba->slim2p_mapping, GFP_KERNEL);
2035 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
2037 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
2038 lpfc_sli_hbq_size(),
2039 &phba->hbqslimp.phys,
2041 if (!phba->hbqslimp.virt)
2044 hbq_count = lpfc_sli_hbq_count();
2045 ptr = phba->hbqslimp.virt;
2046 for (i = 0; i < hbq_count; ++i) {
2047 phba->hbqs[i].hbq_virt = ptr;
2048 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
2049 ptr += (lpfc_hbq_defs[i]->entry_count *
2050 sizeof(struct lpfc_hbq_entry));
2052 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2053 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
2055 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2057 INIT_LIST_HEAD(&phba->hbqbuf_in_list);
2059 /* Initialize the SLI Layer to run with lpfc HBAs. */
2060 lpfc_sli_setup(phba);
2061 lpfc_sli_queue_setup(phba);
2063 retval = lpfc_mem_alloc(phba);
2066 goto out_free_hbqslimp;
2069 /* Initialize and populate the iocb list per host. */
2070 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2071 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2072 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
2073 if (iocbq_entry == NULL) {
2074 printk(KERN_ERR "%s: only allocated %d iocbs of "
2075 "expected %d count. Unloading driver.\n",
2076 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
2078 goto out_free_iocbq;
2081 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2083 kfree (iocbq_entry);
2084 printk(KERN_ERR "%s: failed to allocate IOTAG. "
2085 "Unloading driver.\n",
2088 goto out_free_iocbq;
2091 spin_lock_irq(&phba->hbalock);
2092 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2093 phba->total_iocbq_bufs++;
2094 spin_unlock_irq(&phba->hbalock);
2097 /* Initialize HBA structure */
2098 phba->fc_edtov = FF_DEF_EDTOV;
2099 phba->fc_ratov = FF_DEF_RATOV;
2100 phba->fc_altov = FF_DEF_ALTOV;
2101 phba->fc_arbtov = FF_DEF_ARBTOV;
2103 INIT_LIST_HEAD(&phba->work_list);
2104 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2105 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2107 /* Initialize the wait queue head for the kernel thread */
2108 init_waitqueue_head(&phba->work_waitq);
2110 /* Startup the kernel thread for this host adapter. */
2111 phba->worker_thread = kthread_run(lpfc_do_work, phba,
2112 "lpfc_worker_%d", phba->brd_no);
2113 if (IS_ERR(phba->worker_thread)) {
2114 error = PTR_ERR(phba->worker_thread);
2115 goto out_free_iocbq;
2118 /* Initialize the list of scsi buffers used by driver for scsi IO. */
2119 spin_lock_init(&phba->scsi_buf_list_lock);
2120 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2122 /* Initialize list of fabric iocbs */
2123 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2125 /* Initialize list to save ELS buffers */
2126 INIT_LIST_HEAD(&phba->elsbuf);
2128 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2130 goto out_kthread_stop;
2132 shost = lpfc_shost_from_vport(vport);
2133 phba->pport = vport;
2134 lpfc_debugfs_initialize(vport);
2136 pci_set_drvdata(pdev, shost);
2137 phba->intr_type = NONE;
2139 if (phba->cfg_use_msi == 2) {
2140 error = lpfc_enable_msix(phba);
2142 phba->intr_type = MSIX;
2145 /* Fallback to MSI if MSI-X initialization failed */
2146 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2147 retval = pci_enable_msi(phba->pcidev);
2149 phba->intr_type = MSI;
2151 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2152 "0452 Enable MSI failed, continuing "
2156 /* MSI-X is the only case the doesn't need to call request_irq */
2157 if (phba->intr_type != MSIX) {
2158 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2159 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2161 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable "
2162 "interrupt handler failed\n");
2164 goto out_disable_msi;
2165 } else if (phba->intr_type != MSI)
2166 phba->intr_type = INTx;
2169 phba->MBslimaddr = phba->slim_memmap_p;
2170 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2171 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2172 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2173 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2175 if (lpfc_alloc_sysfs_attr(vport)) {
2180 if (lpfc_sli_hba_setup(phba)) {
2182 goto out_remove_device;
2186 * hba setup may have changed the hba_queue_depth so we need to adjust
2187 * the value of can_queue.
2189 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2191 lpfc_host_attrib_init(shost);
2193 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2194 spin_lock_irq(shost->host_lock);
2195 lpfc_poll_start_timer(phba);
2196 spin_unlock_irq(shost->host_lock);
2199 scsi_scan_host(shost);
2204 lpfc_free_sysfs_attr(vport);
2205 spin_lock_irq(shost->host_lock);
2206 vport->load_flag |= FC_UNLOADING;
2207 spin_unlock_irq(shost->host_lock);
2209 lpfc_stop_phba_timers(phba);
2210 phba->pport->work_port_events = 0;
2212 if (phba->intr_type == MSIX)
2213 lpfc_disable_msix(phba);
2215 free_irq(phba->pcidev->irq, phba);
2218 if (phba->intr_type == MSI)
2219 pci_disable_msi(phba->pcidev);
2220 destroy_port(vport);
2222 kthread_stop(phba->worker_thread);
2224 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2225 &phba->lpfc_iocb_list, list) {
2227 phba->total_iocbq_bufs--;
2229 lpfc_mem_free(phba);
2231 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2232 phba->hbqslimp.phys);
2234 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2235 phba->slim2p_mapping);
2237 iounmap(phba->ctrl_regs_memmap_p);
2239 iounmap(phba->slim_memmap_p);
2241 idr_remove(&lpfc_hba_index, phba->brd_no);
2244 out_release_regions:
2245 pci_release_selected_regions(pdev, bars);
2247 pci_disable_device(pdev);
2249 pci_set_drvdata(pdev, NULL);
2251 scsi_host_put(shost);
2255 static void __devexit
2256 lpfc_pci_remove_one(struct pci_dev *pdev)
2258 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2259 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2260 struct lpfc_hba *phba = vport->phba;
2261 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2263 spin_lock_irq(&phba->hbalock);
2264 vport->load_flag |= FC_UNLOADING;
2265 spin_unlock_irq(&phba->hbalock);
2267 kfree(vport->vname);
2268 lpfc_free_sysfs_attr(vport);
2270 kthread_stop(phba->worker_thread);
2272 fc_remove_host(shost);
2273 scsi_remove_host(shost);
2274 lpfc_cleanup(vport);
2277 * Bring down the SLI Layer. This step disable all interrupts,
2278 * clears the rings, discards all mailbox commands, and resets
2281 lpfc_sli_hba_down(phba);
2282 lpfc_sli_brdrestart(phba);
2284 lpfc_stop_phba_timers(phba);
2285 spin_lock_irq(&phba->hbalock);
2286 list_del_init(&vport->listentry);
2287 spin_unlock_irq(&phba->hbalock);
2289 lpfc_debugfs_terminate(vport);
2291 if (phba->intr_type == MSIX)
2292 lpfc_disable_msix(phba);
2294 free_irq(phba->pcidev->irq, phba);
2295 if (phba->intr_type == MSI)
2296 pci_disable_msi(phba->pcidev);
2299 pci_set_drvdata(pdev, NULL);
2300 scsi_host_put(shost);
2303 * Call scsi_free before mem_free since scsi bufs are released to their
2304 * corresponding pools here.
2306 lpfc_scsi_free(phba);
2307 lpfc_mem_free(phba);
2309 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2310 phba->hbqslimp.phys);
2312 /* Free resources associated with SLI2 interface */
2313 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2314 phba->slim2p, phba->slim2p_mapping);
2316 /* unmap adapter SLIM and Control Registers */
2317 iounmap(phba->ctrl_regs_memmap_p);
2318 iounmap(phba->slim_memmap_p);
2320 idr_remove(&lpfc_hba_index, phba->brd_no);
2324 pci_release_selected_regions(pdev, bars);
2325 pci_disable_device(pdev);
2329 * lpfc_io_error_detected - called when PCI error is detected
2330 * @pdev: Pointer to PCI device
2331 * @state: The current pci conneection state
2333 * This function is called after a PCI bus error affecting
2334 * this device has been detected.
2336 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2337 pci_channel_state_t state)
2339 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2340 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2341 struct lpfc_sli *psli = &phba->sli;
2342 struct lpfc_sli_ring *pring;
2344 if (state == pci_channel_io_perm_failure)
2345 return PCI_ERS_RESULT_DISCONNECT;
2347 pci_disable_device(pdev);
2349 * There may be I/Os dropped by the firmware.
2350 * Error iocb (I/O) on txcmplq and let the SCSI layer
2351 * retry it after re-establishing link.
2353 pring = &psli->ring[psli->fcp_ring];
2354 lpfc_sli_abort_iocb_ring(phba, pring);
2356 if (phba->intr_type == MSIX)
2357 lpfc_disable_msix(phba);
2359 free_irq(phba->pcidev->irq, phba);
2360 if (phba->intr_type == MSI)
2361 pci_disable_msi(phba->pcidev);
2364 /* Request a slot reset. */
2365 return PCI_ERS_RESULT_NEED_RESET;
2369 * lpfc_io_slot_reset - called after the pci bus has been reset.
2370 * @pdev: Pointer to PCI device
2372 * Restart the card from scratch, as if from a cold-boot.
2374 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2376 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2377 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2378 struct lpfc_sli *psli = &phba->sli;
2381 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2382 if (pci_enable_device_mem(pdev)) {
2383 printk(KERN_ERR "lpfc: Cannot re-enable "
2384 "PCI device after reset.\n");
2385 return PCI_ERS_RESULT_DISCONNECT;
2388 pci_set_master(pdev);
2390 spin_lock_irq(&phba->hbalock);
2391 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2392 spin_unlock_irq(&phba->hbalock);
2394 /* Enable configured interrupt method */
2395 phba->intr_type = NONE;
2396 if (phba->cfg_use_msi == 2) {
2397 error = lpfc_enable_msix(phba);
2399 phba->intr_type = MSIX;
2402 /* Fallback to MSI if MSI-X initialization failed */
2403 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2404 retval = pci_enable_msi(phba->pcidev);
2406 phba->intr_type = MSI;
2408 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2409 "0470 Enable MSI failed, continuing "
2413 /* MSI-X is the only case the doesn't need to call request_irq */
2414 if (phba->intr_type != MSIX) {
2415 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2416 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2418 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2419 "0471 Enable interrupt handler "
2421 } else if (phba->intr_type != MSI)
2422 phba->intr_type = INTx;
2425 /* Take device offline; this will perform cleanup */
2427 lpfc_sli_brdrestart(phba);
2429 return PCI_ERS_RESULT_RECOVERED;
2433 * lpfc_io_resume - called when traffic can start flowing again.
2434 * @pdev: Pointer to PCI device
2436 * This callback is called when the error recovery driver tells us that
2437 * its OK to resume normal operation.
2439 static void lpfc_io_resume(struct pci_dev *pdev)
2441 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2442 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2447 static struct pci_device_id lpfc_id_table[] = {
2448 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2449 PCI_ANY_ID, PCI_ANY_ID, },
2450 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2451 PCI_ANY_ID, PCI_ANY_ID, },
2452 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2453 PCI_ANY_ID, PCI_ANY_ID, },
2454 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2455 PCI_ANY_ID, PCI_ANY_ID, },
2456 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2457 PCI_ANY_ID, PCI_ANY_ID, },
2458 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2459 PCI_ANY_ID, PCI_ANY_ID, },
2460 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2461 PCI_ANY_ID, PCI_ANY_ID, },
2462 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2463 PCI_ANY_ID, PCI_ANY_ID, },
2464 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2465 PCI_ANY_ID, PCI_ANY_ID, },
2466 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2467 PCI_ANY_ID, PCI_ANY_ID, },
2468 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2469 PCI_ANY_ID, PCI_ANY_ID, },
2470 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2471 PCI_ANY_ID, PCI_ANY_ID, },
2472 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2473 PCI_ANY_ID, PCI_ANY_ID, },
2474 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2475 PCI_ANY_ID, PCI_ANY_ID, },
2476 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2477 PCI_ANY_ID, PCI_ANY_ID, },
2478 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2479 PCI_ANY_ID, PCI_ANY_ID, },
2480 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2481 PCI_ANY_ID, PCI_ANY_ID, },
2482 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2483 PCI_ANY_ID, PCI_ANY_ID, },
2484 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2485 PCI_ANY_ID, PCI_ANY_ID, },
2486 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2487 PCI_ANY_ID, PCI_ANY_ID, },
2488 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2489 PCI_ANY_ID, PCI_ANY_ID, },
2490 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2491 PCI_ANY_ID, PCI_ANY_ID, },
2492 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2493 PCI_ANY_ID, PCI_ANY_ID, },
2494 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2495 PCI_ANY_ID, PCI_ANY_ID, },
2496 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2497 PCI_ANY_ID, PCI_ANY_ID, },
2498 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2499 PCI_ANY_ID, PCI_ANY_ID, },
2500 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2501 PCI_ANY_ID, PCI_ANY_ID, },
2502 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2503 PCI_ANY_ID, PCI_ANY_ID, },
2504 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2505 PCI_ANY_ID, PCI_ANY_ID, },
2506 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2507 PCI_ANY_ID, PCI_ANY_ID, },
2508 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2509 PCI_ANY_ID, PCI_ANY_ID, },
2510 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2511 PCI_ANY_ID, PCI_ANY_ID, },
2512 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2513 PCI_ANY_ID, PCI_ANY_ID, },
2517 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2519 static struct pci_error_handlers lpfc_err_handler = {
2520 .error_detected = lpfc_io_error_detected,
2521 .slot_reset = lpfc_io_slot_reset,
2522 .resume = lpfc_io_resume,
2525 static struct pci_driver lpfc_driver = {
2526 .name = LPFC_DRIVER_NAME,
2527 .id_table = lpfc_id_table,
2528 .probe = lpfc_pci_probe_one,
2529 .remove = __devexit_p(lpfc_pci_remove_one),
2530 .err_handler = &lpfc_err_handler,
2538 printk(LPFC_MODULE_DESC "\n");
2539 printk(LPFC_COPYRIGHT "\n");
2541 if (lpfc_enable_npiv) {
2542 lpfc_transport_functions.vport_create = lpfc_vport_create;
2543 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2545 lpfc_transport_template =
2546 fc_attach_transport(&lpfc_transport_functions);
2547 if (lpfc_transport_template == NULL)
2549 if (lpfc_enable_npiv) {
2550 lpfc_vport_transport_template =
2551 fc_attach_transport(&lpfc_vport_transport_functions);
2552 if (lpfc_vport_transport_template == NULL) {
2553 fc_release_transport(lpfc_transport_template);
2557 error = pci_register_driver(&lpfc_driver);
2559 fc_release_transport(lpfc_transport_template);
2560 fc_release_transport(lpfc_vport_transport_template);
2569 pci_unregister_driver(&lpfc_driver);
2570 fc_release_transport(lpfc_transport_template);
2571 if (lpfc_enable_npiv)
2572 fc_release_transport(lpfc_vport_transport_template);
2575 module_init(lpfc_init);
2576 module_exit(lpfc_exit);
2577 MODULE_LICENSE("GPL");
2578 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2579 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2580 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);