1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
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"
46 #include "lpfc_vport.h"
48 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
49 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
50 static int lpfc_post_rcv_buf(struct lpfc_hba *);
52 static struct scsi_transport_template *lpfc_transport_template = NULL;
53 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
54 static DEFINE_IDR(lpfc_hba_index);
58 /************************************************************************/
60 /* lpfc_config_port_prep */
61 /* This routine will do LPFC initialization prior to the */
62 /* CONFIG_PORT mailbox command. This will be initialized */
63 /* as a SLI layer callback routine. */
64 /* This routine returns 0 on success or -ERESTART if it wants */
65 /* the SLI layer to reset the HBA and try again. Any */
66 /* other return value indicates an error. */
68 /************************************************************************/
70 lpfc_config_port_prep(struct lpfc_hba *phba)
72 lpfc_vpd_t *vp = &phba->vpd;
76 char *lpfc_vpd_data = NULL;
78 static char licensed[56] =
79 "key unlock for use with gnu public licensed code only\0";
80 static int init_key = 1;
82 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
84 phba->link_state = LPFC_HBA_ERROR;
89 phba->link_state = LPFC_INIT_MBX_CMDS;
91 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
93 uint32_t *ptext = (uint32_t *) licensed;
95 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
96 *ptext = cpu_to_be32(*ptext);
100 lpfc_read_nv(phba, pmb);
101 memset((char*)mb->un.varRDnvp.rsvd3, 0,
102 sizeof (mb->un.varRDnvp.rsvd3));
103 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
106 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
108 if (rc != MBX_SUCCESS) {
109 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
110 "%d:0324 Config Port initialization "
111 "error, mbxCmd x%x READ_NVPARM, "
114 mb->mbxCommand, mb->mbxStatus);
115 mempool_free(pmb, phba->mbox_mem_pool);
118 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
120 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
124 phba->sli3_options = 0x0;
126 /* Setup and issue mailbox READ REV command */
127 lpfc_read_rev(phba, pmb);
128 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
129 if (rc != MBX_SUCCESS) {
130 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
131 "%d:0439 Adapter failed to init, mbxCmd x%x "
132 "READ_REV, mbxStatus x%x\n",
134 mb->mbxCommand, mb->mbxStatus);
135 mempool_free( pmb, phba->mbox_mem_pool);
141 * The value of rr must be 1 since the driver set the cv field to 1.
142 * This setting requires the FW to set all revision fields.
144 if (mb->un.varRdRev.rr == 0) {
146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
147 "%d:0440 Adapter failed to init, READ_REV has "
148 "missing revision information.\n",
150 mempool_free(pmb, phba->mbox_mem_pool);
154 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
157 /* Save information as VPD data */
159 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
160 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
161 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
162 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
163 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
164 vp->rev.biuRev = mb->un.varRdRev.biuRev;
165 vp->rev.smRev = mb->un.varRdRev.smRev;
166 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
167 vp->rev.endecRev = mb->un.varRdRev.endecRev;
168 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
169 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
170 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
171 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
172 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
173 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
175 /* If the sli feature level is less then 9, we must
176 * tear down all RPIs and VPIs on link down if NPIV
179 if (vp->rev.feaLevelHigh < 9)
180 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
182 if (lpfc_is_LC_HBA(phba->pcidev->device))
183 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
184 sizeof (phba->RandomData));
186 /* Get adapter VPD information */
187 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
190 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
192 goto out_free_context2;
195 lpfc_dump_mem(phba, pmb, offset);
196 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
198 if (rc != MBX_SUCCESS) {
199 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
200 "%d:0441 VPD not present on adapter, "
201 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
203 mb->mbxCommand, mb->mbxStatus);
204 mb->un.varDmp.word_cnt = 0;
206 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
207 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
208 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
209 mb->un.varDmp.word_cnt);
210 offset += mb->un.varDmp.word_cnt;
211 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
212 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
214 kfree(lpfc_vpd_data);
216 kfree(pmb->context2);
218 mempool_free(pmb, phba->mbox_mem_pool);
222 /************************************************************************/
224 /* lpfc_config_port_post */
225 /* This routine will do LPFC initialization after the */
226 /* CONFIG_PORT mailbox command. This will be initialized */
227 /* as a SLI layer callback routine. */
228 /* This routine returns 0 on success. Any other return value */
229 /* indicates an error. */
231 /************************************************************************/
233 lpfc_config_port_post(struct lpfc_hba *phba)
235 struct lpfc_vport *vport = phba->pport;
238 struct lpfc_dmabuf *mp;
239 struct lpfc_sli *psli = &phba->sli;
240 uint32_t status, timeout;
244 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
246 phba->link_state = LPFC_HBA_ERROR;
251 /* Get login parameters for NID. */
252 lpfc_read_sparam(phba, pmb, 0);
254 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
256 "%d:0448 Adapter failed init, mbxCmd x%x "
257 "READ_SPARM mbxStatus x%x\n",
259 mb->mbxCommand, mb->mbxStatus);
260 phba->link_state = LPFC_HBA_ERROR;
261 mp = (struct lpfc_dmabuf *) pmb->context1;
262 mempool_free( pmb, phba->mbox_mem_pool);
263 lpfc_mbuf_free(phba, mp->virt, mp->phys);
268 mp = (struct lpfc_dmabuf *) pmb->context1;
270 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
271 lpfc_mbuf_free(phba, mp->virt, mp->phys);
273 pmb->context1 = NULL;
275 if (phba->cfg_soft_wwnn)
276 u64_to_wwn(phba->cfg_soft_wwnn,
277 vport->fc_sparam.nodeName.u.wwn);
278 if (phba->cfg_soft_wwpn)
279 u64_to_wwn(phba->cfg_soft_wwpn,
280 vport->fc_sparam.portName.u.wwn);
281 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
282 sizeof (struct lpfc_name));
283 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
284 sizeof (struct lpfc_name));
285 /* If no serial number in VPD data, use low 6 bytes of WWNN */
286 /* This should be consolidated into parse_vpd ? - mr */
287 if (phba->SerialNumber[0] == 0) {
290 outptr = &vport->fc_nodename.u.s.IEEE[0];
291 for (i = 0; i < 12; i++) {
293 j = ((status & 0xf0) >> 4);
295 phba->SerialNumber[i] =
296 (char)((uint8_t) 0x30 + (uint8_t) j);
298 phba->SerialNumber[i] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
303 phba->SerialNumber[i] =
304 (char)((uint8_t) 0x30 + (uint8_t) j);
306 phba->SerialNumber[i] =
307 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
311 lpfc_read_config(phba, pmb);
313 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
314 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
315 "%d:0453 Adapter failed to init, mbxCmd x%x "
316 "READ_CONFIG, mbxStatus x%x\n",
318 mb->mbxCommand, mb->mbxStatus);
319 phba->link_state = LPFC_HBA_ERROR;
320 mempool_free( pmb, phba->mbox_mem_pool);
324 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
325 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
326 phba->cfg_hba_queue_depth =
327 mb->un.varRdConfig.max_xri + 1;
329 phba->lmt = mb->un.varRdConfig.lmt;
331 /* Get the default values for Model Name and Description */
332 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
334 if ((phba->cfg_link_speed > LINK_SPEED_10G)
335 || ((phba->cfg_link_speed == LINK_SPEED_1G)
336 && !(phba->lmt & LMT_1Gb))
337 || ((phba->cfg_link_speed == LINK_SPEED_2G)
338 && !(phba->lmt & LMT_2Gb))
339 || ((phba->cfg_link_speed == LINK_SPEED_4G)
340 && !(phba->lmt & LMT_4Gb))
341 || ((phba->cfg_link_speed == LINK_SPEED_8G)
342 && !(phba->lmt & LMT_8Gb))
343 || ((phba->cfg_link_speed == LINK_SPEED_10G)
344 && !(phba->lmt & LMT_10Gb))) {
345 /* Reset link speed to auto */
346 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
347 "%d:1302 Invalid speed for this board: "
348 "Reset link speed to auto: x%x\n",
350 phba->cfg_link_speed);
351 phba->cfg_link_speed = LINK_SPEED_AUTO;
354 phba->link_state = LPFC_LINK_DOWN;
356 /* Only process IOCBs on ring 0 till hba_state is READY */
357 if (psli->ring[psli->extra_ring].cmdringaddr)
358 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
359 if (psli->ring[psli->fcp_ring].cmdringaddr)
360 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
361 if (psli->ring[psli->next_ring].cmdringaddr)
362 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
364 /* Post receive buffers for desired rings */
365 if (phba->sli_rev != 3)
366 lpfc_post_rcv_buf(phba);
368 /* Enable appropriate host interrupts */
369 spin_lock_irq(&phba->hbalock);
370 status = readl(phba->HCregaddr);
371 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
372 if (psli->num_rings > 0)
373 status |= HC_R0INT_ENA;
374 if (psli->num_rings > 1)
375 status |= HC_R1INT_ENA;
376 if (psli->num_rings > 2)
377 status |= HC_R2INT_ENA;
378 if (psli->num_rings > 3)
379 status |= HC_R3INT_ENA;
381 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
382 (phba->cfg_poll & DISABLE_FCP_RING_INT))
383 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
385 writel(status, phba->HCregaddr);
386 readl(phba->HCregaddr); /* flush */
387 spin_unlock_irq(&phba->hbalock);
390 * Setup the ring 0 (els) timeout handler
392 timeout = phba->fc_ratov << 1;
393 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
394 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
395 phba->hb_outstanding = 0;
396 phba->last_completion_time = jiffies;
398 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
399 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
401 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
402 lpfc_set_loopback_flag(phba);
403 if (rc != MBX_SUCCESS) {
404 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
405 "%d:0454 Adapter failed to init, mbxCmd x%x "
406 "INIT_LINK, mbxStatus x%x\n",
408 mb->mbxCommand, mb->mbxStatus);
410 /* Clear all interrupt enable conditions */
411 writel(0, phba->HCregaddr);
412 readl(phba->HCregaddr); /* flush */
413 /* Clear all pending interrupts */
414 writel(0xffffffff, phba->HAregaddr);
415 readl(phba->HAregaddr); /* flush */
417 phba->link_state = LPFC_HBA_ERROR;
419 mempool_free(pmb, phba->mbox_mem_pool);
422 /* MBOX buffer will be freed in mbox compl */
427 /************************************************************************/
429 /* lpfc_hba_down_prep */
430 /* This routine will do LPFC uninitialization before the */
431 /* HBA is reset when bringing down the SLI Layer. This will be */
432 /* initialized as a SLI layer callback routine. */
433 /* This routine returns 0 on success. Any other return value */
434 /* indicates an error. */
436 /************************************************************************/
438 lpfc_hba_down_prep(struct lpfc_hba *phba)
440 struct lpfc_vport **vports;
443 /* Disable interrupts */
444 writel(0, phba->HCregaddr);
445 readl(phba->HCregaddr); /* flush */
447 vports = lpfc_create_vport_work_array(phba);
449 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
450 lpfc_cleanup_discovery_resources(vports[i]);
451 lpfc_destroy_vport_work_array(vports);
455 /************************************************************************/
457 /* lpfc_hba_down_post */
458 /* This routine will do uninitialization after the HBA is reset */
459 /* when bringing down the SLI Layer. */
460 /* This routine returns 0 on success. Any other return value */
461 /* indicates an error. */
463 /************************************************************************/
465 lpfc_hba_down_post(struct lpfc_hba *phba)
467 struct lpfc_sli *psli = &phba->sli;
468 struct lpfc_sli_ring *pring;
469 struct lpfc_dmabuf *mp, *next_mp;
472 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
473 lpfc_sli_hbqbuf_free_all(phba);
475 /* Cleanup preposted buffers on the ELS ring */
476 pring = &psli->ring[LPFC_ELS_RING];
477 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
479 pring->postbufq_cnt--;
480 lpfc_mbuf_free(phba, mp->virt, mp->phys);
485 for (i = 0; i < psli->num_rings; i++) {
486 pring = &psli->ring[i];
487 lpfc_sli_abort_iocb_ring(phba, pring);
493 /* HBA heart beat timeout handler */
495 lpfc_hb_timeout(unsigned long ptr)
497 struct lpfc_hba *phba;
500 phba = (struct lpfc_hba *)ptr;
501 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
502 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
503 phba->pport->work_port_events |= WORKER_HB_TMO;
504 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
507 wake_up(phba->work_wait);
512 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
514 unsigned long drvr_flag;
516 spin_lock_irqsave(&phba->hbalock, drvr_flag);
517 phba->hb_outstanding = 0;
518 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
520 mempool_free(pmboxq, phba->mbox_mem_pool);
521 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
522 !(phba->link_state == LPFC_HBA_ERROR) &&
523 !(phba->pport->fc_flag & FC_UNLOADING))
524 mod_timer(&phba->hb_tmofunc,
525 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
530 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
532 LPFC_MBOXQ_t *pmboxq;
534 struct lpfc_sli *psli = &phba->sli;
536 if ((phba->link_state == LPFC_HBA_ERROR) ||
537 (phba->pport->fc_flag & FC_UNLOADING) ||
538 (phba->pport->fc_flag & FC_OFFLINE_MODE))
541 spin_lock_irq(&phba->pport->work_port_lock);
542 /* If the timer is already canceled do nothing */
543 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
544 spin_unlock_irq(&phba->pport->work_port_lock);
548 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
550 spin_unlock_irq(&phba->pport->work_port_lock);
551 if (!phba->hb_outstanding)
552 mod_timer(&phba->hb_tmofunc,
553 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
555 mod_timer(&phba->hb_tmofunc,
556 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
559 spin_unlock_irq(&phba->pport->work_port_lock);
561 /* If there is no heart beat outstanding, issue a heartbeat command */
562 if (!phba->hb_outstanding) {
563 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
565 mod_timer(&phba->hb_tmofunc,
566 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
570 lpfc_heart_beat(phba, pmboxq);
571 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
572 pmboxq->vport = phba->pport;
573 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
575 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
576 mempool_free(pmboxq, phba->mbox_mem_pool);
577 mod_timer(&phba->hb_tmofunc,
578 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
581 mod_timer(&phba->hb_tmofunc,
582 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
583 phba->hb_outstanding = 1;
587 * If heart beat timeout called with hb_outstanding set we
588 * need to take the HBA offline.
590 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
591 "%d:0459 Adapter heartbeat failure, taking "
592 "this port offline.\n", phba->brd_no);
594 spin_lock_irq(&phba->hbalock);
595 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
596 spin_unlock_irq(&phba->hbalock);
598 lpfc_offline_prep(phba);
600 lpfc_unblock_mgmt_io(phba);
601 phba->link_state = LPFC_HBA_ERROR;
602 lpfc_hba_down_post(phba);
606 /************************************************************************/
608 /* lpfc_handle_eratt */
609 /* This routine will handle processing a Host Attention */
610 /* Error Status event. This will be initialized */
611 /* as a SLI layer callback routine. */
613 /************************************************************************/
615 lpfc_handle_eratt(struct lpfc_hba *phba)
617 struct lpfc_vport *vport = phba->pport;
618 struct lpfc_sli *psli = &phba->sli;
619 struct lpfc_sli_ring *pring;
620 struct lpfc_vport **vports;
622 struct Scsi_Host *shost;
625 /* If the pci channel is offline, ignore possible errors,
626 * since we cannot communicate with the pci card anyway. */
627 if (pci_channel_offline(phba->pcidev))
630 if (phba->work_hs & HS_FFER6 ||
631 phba->work_hs & HS_FFER5) {
632 /* Re-establishing Link */
633 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
634 "%d:1301 Re-establishing Link "
635 "Data: x%x x%x x%x\n",
636 phba->brd_no, phba->work_hs,
637 phba->work_status[0], phba->work_status[1]);
638 vports = lpfc_create_vport_work_array(phba);
641 i < LPFC_MAX_VPORTS && vports[i] != NULL;
643 shost = lpfc_shost_from_vport(vports[i]);
644 spin_lock_irq(shost->host_lock);
645 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
646 spin_unlock_irq(shost->host_lock);
648 lpfc_destroy_vport_work_array(vports);
649 spin_lock_irq(&phba->hbalock);
650 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
651 spin_unlock_irq(&phba->hbalock);
654 * Firmware stops when it triggled erratt with HS_FFER6.
655 * That could cause the I/Os dropped by the firmware.
656 * Error iocb (I/O) on txcmplq and let the SCSI layer
657 * retry it after re-establishing link.
659 pring = &psli->ring[psli->fcp_ring];
660 lpfc_sli_abort_iocb_ring(phba, pring);
664 * There was a firmware error. Take the hba offline and then
665 * attempt to restart it.
667 lpfc_offline_prep(phba);
669 lpfc_sli_brdrestart(phba);
670 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
671 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
672 lpfc_unblock_mgmt_io(phba);
675 lpfc_unblock_mgmt_io(phba);
677 /* The if clause above forces this code path when the status
678 * failure is a value other than FFER6. Do not call the offline
679 * twice. This is the adapter hardware error path.
681 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
682 "%d:0457 Adapter Hardware Error "
683 "Data: x%x x%x x%x\n",
684 phba->brd_no, phba->work_hs,
685 phba->work_status[0], phba->work_status[1]);
687 event_data = FC_REG_DUMP_EVENT;
688 shost = lpfc_shost_from_vport(vport);
689 fc_host_post_vendor_event(shost, fc_get_event_number(),
690 sizeof(event_data), (char *) &event_data,
691 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
693 spin_lock_irq(&phba->hbalock);
694 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
695 spin_unlock_irq(&phba->hbalock);
696 lpfc_offline_prep(phba);
698 lpfc_unblock_mgmt_io(phba);
699 phba->link_state = LPFC_HBA_ERROR;
700 lpfc_hba_down_post(phba);
704 /************************************************************************/
706 /* lpfc_handle_latt */
707 /* This routine will handle processing a Host Attention */
708 /* Link Status event. This will be initialized */
709 /* as a SLI layer callback routine. */
711 /************************************************************************/
713 lpfc_handle_latt(struct lpfc_hba *phba)
715 struct lpfc_vport *vport = phba->pport;
716 struct lpfc_sli *psli = &phba->sli;
718 volatile uint32_t control;
719 struct lpfc_dmabuf *mp;
722 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
724 goto lpfc_handle_latt_err_exit;
726 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
728 goto lpfc_handle_latt_free_pmb;
730 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
732 goto lpfc_handle_latt_free_mp;
736 /* Cleanup any outstanding ELS commands */
737 lpfc_els_flush_all_cmd(phba);
739 psli->slistat.link_event++;
740 lpfc_read_la(phba, pmb, mp);
741 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
743 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
744 if (rc == MBX_NOT_FINISHED)
745 goto lpfc_handle_latt_free_mbuf;
747 /* Clear Link Attention in HA REG */
748 spin_lock_irq(&phba->hbalock);
749 writel(HA_LATT, phba->HAregaddr);
750 readl(phba->HAregaddr); /* flush */
751 spin_unlock_irq(&phba->hbalock);
755 lpfc_handle_latt_free_mbuf:
756 lpfc_mbuf_free(phba, mp->virt, mp->phys);
757 lpfc_handle_latt_free_mp:
759 lpfc_handle_latt_free_pmb:
760 mempool_free(pmb, phba->mbox_mem_pool);
761 lpfc_handle_latt_err_exit:
762 /* Enable Link attention interrupts */
763 spin_lock_irq(&phba->hbalock);
764 psli->sli_flag |= LPFC_PROCESS_LA;
765 control = readl(phba->HCregaddr);
766 control |= HC_LAINT_ENA;
767 writel(control, phba->HCregaddr);
768 readl(phba->HCregaddr); /* flush */
770 /* Clear Link Attention in HA REG */
771 writel(HA_LATT, phba->HAregaddr);
772 readl(phba->HAregaddr); /* flush */
773 spin_unlock_irq(&phba->hbalock);
775 phba->link_state = LPFC_HBA_ERROR;
777 /* The other case is an error from issue_mbox */
779 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
780 "%d:0300 READ_LA: no buffers\n",
786 /************************************************************************/
789 /* This routine will parse the VPD data */
791 /************************************************************************/
793 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
795 uint8_t lenlo, lenhi;
805 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
806 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
808 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
810 while (!finished && (index < (len - 4))) {
811 switch (vpd[index]) {
819 i = ((((unsigned short)lenhi) << 8) + lenlo);
828 Length = ((((unsigned short)lenhi) << 8) + lenlo);
829 if (Length > len - index)
830 Length = len - index;
832 /* Look for Serial Number */
833 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
840 phba->SerialNumber[j++] = vpd[index++];
844 phba->SerialNumber[j] = 0;
847 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
848 phba->vpd_flag |= VPD_MODEL_DESC;
855 phba->ModelDesc[j++] = vpd[index++];
859 phba->ModelDesc[j] = 0;
862 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
863 phba->vpd_flag |= VPD_MODEL_NAME;
870 phba->ModelName[j++] = vpd[index++];
874 phba->ModelName[j] = 0;
877 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
878 phba->vpd_flag |= VPD_PROGRAM_TYPE;
885 phba->ProgramType[j++] = vpd[index++];
889 phba->ProgramType[j] = 0;
892 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
893 phba->vpd_flag |= VPD_PORT;
900 phba->Port[j++] = vpd[index++];
930 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
933 uint16_t dev_id = phba->pcidev->device;
939 } m = {"<Unknown>", 0, ""};
941 if (mdp && mdp[0] != '\0'
942 && descp && descp[0] != '\0')
945 if (phba->lmt & LMT_10Gb)
947 else if (phba->lmt & LMT_8Gb)
949 else if (phba->lmt & LMT_4Gb)
951 else if (phba->lmt & LMT_2Gb)
959 case PCI_DEVICE_ID_FIREFLY:
960 m = (typeof(m)){"LP6000", max_speed, "PCI"};
962 case PCI_DEVICE_ID_SUPERFLY:
963 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
964 m = (typeof(m)){"LP7000", max_speed, "PCI"};
966 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
968 case PCI_DEVICE_ID_DRAGONFLY:
969 m = (typeof(m)){"LP8000", max_speed, "PCI"};
971 case PCI_DEVICE_ID_CENTAUR:
972 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
973 m = (typeof(m)){"LP9002", max_speed, "PCI"};
975 m = (typeof(m)){"LP9000", max_speed, "PCI"};
977 case PCI_DEVICE_ID_RFLY:
978 m = (typeof(m)){"LP952", max_speed, "PCI"};
980 case PCI_DEVICE_ID_PEGASUS:
981 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
983 case PCI_DEVICE_ID_THOR:
984 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
986 case PCI_DEVICE_ID_VIPER:
987 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
989 case PCI_DEVICE_ID_PFLY:
990 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
992 case PCI_DEVICE_ID_TFLY:
993 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
995 case PCI_DEVICE_ID_HELIOS:
996 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
998 case PCI_DEVICE_ID_HELIOS_SCSP:
999 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1001 case PCI_DEVICE_ID_HELIOS_DCSP:
1002 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1004 case PCI_DEVICE_ID_NEPTUNE:
1005 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1007 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1008 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1010 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1011 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1013 case PCI_DEVICE_ID_BMID:
1014 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1016 case PCI_DEVICE_ID_BSMB:
1017 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1019 case PCI_DEVICE_ID_ZEPHYR:
1020 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1022 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1023 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1025 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1026 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1028 case PCI_DEVICE_ID_ZMID:
1029 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1031 case PCI_DEVICE_ID_ZSMB:
1032 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1034 case PCI_DEVICE_ID_LP101:
1035 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1037 case PCI_DEVICE_ID_LP10000S:
1038 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1040 case PCI_DEVICE_ID_LP11000S:
1041 m = (typeof(m)){"LP11000-S", max_speed,
1044 case PCI_DEVICE_ID_LPE11000S:
1045 m = (typeof(m)){"LPe11000-S", max_speed,
1048 case PCI_DEVICE_ID_SAT:
1049 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1051 case PCI_DEVICE_ID_SAT_MID:
1052 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1054 case PCI_DEVICE_ID_SAT_SMB:
1055 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1057 case PCI_DEVICE_ID_SAT_DCSP:
1058 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1060 case PCI_DEVICE_ID_SAT_SCSP:
1061 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1063 case PCI_DEVICE_ID_SAT_S:
1064 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1067 m = (typeof(m)){ NULL };
1071 if (mdp && mdp[0] == '\0')
1072 snprintf(mdp, 79,"%s", m.name);
1073 if (descp && descp[0] == '\0')
1074 snprintf(descp, 255,
1075 "Emulex %s %dGb %s Fibre Channel Adapter",
1076 m.name, m.max_speed, m.bus);
1079 /**************************************************/
1080 /* lpfc_post_buffer */
1082 /* This routine will post count buffers to the */
1083 /* ring with the QUE_RING_BUF_CN command. This */
1084 /* allows 3 buffers / command to be posted. */
1085 /* Returns the number of buffers NOT posted. */
1086 /**************************************************/
1088 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1092 struct lpfc_iocbq *iocb;
1093 struct lpfc_dmabuf *mp1, *mp2;
1095 cnt += pring->missbufcnt;
1097 /* While there are buffers to post */
1099 /* Allocate buffer for command iocb */
1100 iocb = lpfc_sli_get_iocbq(phba);
1102 pring->missbufcnt = cnt;
1107 /* 2 buffers can be posted per command */
1108 /* Allocate buffer to post */
1109 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1111 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1113 if (mp1 == 0 || mp1->virt == 0) {
1115 lpfc_sli_release_iocbq(phba, iocb);
1116 pring->missbufcnt = cnt;
1120 INIT_LIST_HEAD(&mp1->list);
1121 /* Allocate buffer to post */
1123 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1125 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1127 if (mp2 == 0 || mp2->virt == 0) {
1129 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1131 lpfc_sli_release_iocbq(phba, iocb);
1132 pring->missbufcnt = cnt;
1136 INIT_LIST_HEAD(&mp2->list);
1141 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1142 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1143 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1144 icmd->ulpBdeCount = 1;
1147 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1148 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1149 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1151 icmd->ulpBdeCount = 2;
1154 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1157 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1158 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1162 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1166 lpfc_sli_release_iocbq(phba, iocb);
1167 pring->missbufcnt = cnt;
1170 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1172 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1174 pring->missbufcnt = 0;
1178 /************************************************************************/
1180 /* lpfc_post_rcv_buf */
1181 /* This routine post initial rcv buffers to the configured rings */
1183 /************************************************************************/
1185 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1187 struct lpfc_sli *psli = &phba->sli;
1189 /* Ring 0, ELS / CT buffers */
1190 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1191 /* Ring 2 - FCP no buffers needed */
1196 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1198 /************************************************************************/
1202 /************************************************************************/
1204 lpfc_sha_init(uint32_t * HashResultPointer)
1206 HashResultPointer[0] = 0x67452301;
1207 HashResultPointer[1] = 0xEFCDAB89;
1208 HashResultPointer[2] = 0x98BADCFE;
1209 HashResultPointer[3] = 0x10325476;
1210 HashResultPointer[4] = 0xC3D2E1F0;
1213 /************************************************************************/
1215 /* lpfc_sha_iterate */
1217 /************************************************************************/
1219 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1223 uint32_t A, B, C, D, E;
1226 HashWorkingPointer[t] =
1228 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1230 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1231 } while (++t <= 79);
1233 A = HashResultPointer[0];
1234 B = HashResultPointer[1];
1235 C = HashResultPointer[2];
1236 D = HashResultPointer[3];
1237 E = HashResultPointer[4];
1241 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1242 } else if (t < 40) {
1243 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1244 } else if (t < 60) {
1245 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1247 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1249 TEMP += S(5, A) + E + HashWorkingPointer[t];
1255 } while (++t <= 79);
1257 HashResultPointer[0] += A;
1258 HashResultPointer[1] += B;
1259 HashResultPointer[2] += C;
1260 HashResultPointer[3] += D;
1261 HashResultPointer[4] += E;
1265 /************************************************************************/
1267 /* lpfc_challenge_key */
1269 /************************************************************************/
1271 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1273 *HashWorking = (*RandomChallenge ^ *HashWorking);
1276 /************************************************************************/
1280 /************************************************************************/
1282 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1285 uint32_t *HashWorking;
1286 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1288 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1292 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1293 HashWorking[0] = HashWorking[78] = *pwwnn++;
1294 HashWorking[1] = HashWorking[79] = *pwwnn;
1296 for (t = 0; t < 7; t++)
1297 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1299 lpfc_sha_init(hbainit);
1300 lpfc_sha_iterate(hbainit, HashWorking);
1305 lpfc_cleanup(struct lpfc_vport *vport)
1307 struct lpfc_nodelist *ndlp, *next_ndlp;
1309 /* clean up phba - lpfc specific */
1310 lpfc_can_disctmo(vport);
1311 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1317 lpfc_establish_link_tmo(unsigned long ptr)
1319 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
1320 struct lpfc_vport **vports;
1321 unsigned long iflag;
1324 /* Re-establishing Link, timer expired */
1325 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1326 "%d:1300 Re-establishing Link, timer expired "
1328 phba->brd_no, phba->pport->fc_flag,
1329 phba->pport->port_state);
1330 vports = lpfc_create_vport_work_array(phba);
1332 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1333 struct Scsi_Host *shost;
1334 shost = lpfc_shost_from_vport(vports[i]);
1335 spin_lock_irqsave(shost->host_lock, iflag);
1336 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1337 spin_unlock_irqrestore(shost->host_lock, iflag);
1339 lpfc_destroy_vport_work_array(vports);
1343 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1345 del_timer_sync(&vport->els_tmofunc);
1346 del_timer_sync(&vport->fc_fdmitmo);
1347 lpfc_can_disctmo(vport);
1352 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1354 struct lpfc_vport **vports;
1357 del_timer_sync(&phba->fcp_poll_timer);
1358 del_timer_sync(&phba->fc_estabtmo);
1359 vports = lpfc_create_vport_work_array(phba);
1361 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1362 lpfc_stop_vport_timers(vports[i]);
1363 lpfc_destroy_vport_work_array(vports);
1364 del_timer_sync(&phba->sli.mbox_tmo);
1365 del_timer_sync(&phba->fabric_block_timer);
1366 phba->hb_outstanding = 0;
1367 del_timer_sync(&phba->hb_tmofunc);
1372 lpfc_online(struct lpfc_hba *phba)
1374 struct lpfc_vport *vport = phba->pport;
1375 struct lpfc_vport **vports;
1381 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1384 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1385 "%d:0458 Bring Adapter online\n",
1388 lpfc_block_mgmt_io(phba);
1390 if (!lpfc_sli_queue_setup(phba)) {
1391 lpfc_unblock_mgmt_io(phba);
1395 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1396 lpfc_unblock_mgmt_io(phba);
1400 vports = lpfc_create_vport_work_array(phba);
1402 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1403 struct Scsi_Host *shost;
1404 shost = lpfc_shost_from_vport(vports[i]);
1405 spin_lock_irq(shost->host_lock);
1406 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1407 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1408 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1409 spin_unlock_irq(shost->host_lock);
1411 lpfc_destroy_vport_work_array(vports);
1413 lpfc_unblock_mgmt_io(phba);
1418 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1420 unsigned long iflag;
1422 spin_lock_irqsave(&phba->hbalock, iflag);
1423 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1424 spin_unlock_irqrestore(&phba->hbalock, iflag);
1428 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1430 unsigned long iflag;
1432 spin_lock_irqsave(&phba->hbalock, iflag);
1433 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1434 spin_unlock_irqrestore(&phba->hbalock, iflag);
1438 lpfc_offline_prep(struct lpfc_hba * phba)
1440 struct lpfc_vport *vport = phba->pport;
1441 struct lpfc_nodelist *ndlp, *next_ndlp;
1443 if (vport->fc_flag & FC_OFFLINE_MODE)
1446 lpfc_block_mgmt_io(phba);
1448 lpfc_linkdown(phba);
1450 /* Issue an unreg_login to all nodes */
1451 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1452 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
1453 lpfc_unreg_rpi(vport, ndlp);
1455 lpfc_sli_flush_mbox_queue(phba);
1459 lpfc_offline(struct lpfc_hba *phba)
1461 struct Scsi_Host *shost;
1462 struct lpfc_vport **vports;
1465 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1468 /* stop all timers associated with this hba */
1469 lpfc_stop_phba_timers(phba);
1470 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1471 "%d:0460 Bring Adapter offline\n",
1473 /* Bring down the SLI Layer and cleanup. The HBA is offline
1475 lpfc_sli_hba_down(phba);
1476 spin_lock_irq(&phba->hbalock);
1478 spin_unlock_irq(&phba->hbalock);
1479 vports = lpfc_create_vport_work_array(phba);
1481 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1482 shost = lpfc_shost_from_vport(vports[i]);
1483 lpfc_cleanup(vports[i]);
1484 spin_lock_irq(shost->host_lock);
1485 vports[i]->work_port_events = 0;
1486 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1487 spin_unlock_irq(shost->host_lock);
1489 lpfc_destroy_vport_work_array(vports);
1492 /******************************************************************************
1493 * Function name: lpfc_scsi_free
1495 * Description: Called from lpfc_pci_remove_one free internal driver resources
1497 ******************************************************************************/
1499 lpfc_scsi_free(struct lpfc_hba *phba)
1501 struct lpfc_scsi_buf *sb, *sb_next;
1502 struct lpfc_iocbq *io, *io_next;
1504 spin_lock_irq(&phba->hbalock);
1505 /* Release all the lpfc_scsi_bufs maintained by this host. */
1506 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1507 list_del(&sb->list);
1508 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1511 phba->total_scsi_bufs--;
1514 /* Release all the lpfc_iocbq entries maintained by this host. */
1515 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1516 list_del(&io->list);
1518 phba->total_iocbq_bufs--;
1521 spin_unlock_irq(&phba->hbalock);
1527 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1529 struct lpfc_vport *vport;
1530 struct Scsi_Host *shost;
1533 if (dev != &phba->pcidev->dev)
1534 shost = scsi_host_alloc(&lpfc_vport_template,
1535 sizeof(struct lpfc_vport));
1537 shost = scsi_host_alloc(&lpfc_template,
1538 sizeof(struct lpfc_vport));
1542 vport = (struct lpfc_vport *) shost->hostdata;
1545 vport->load_flag |= FC_LOADING;
1546 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1548 lpfc_get_vport_cfgparam(vport);
1549 shost->unique_id = instance;
1550 shost->max_id = LPFC_MAX_TARGET;
1551 shost->max_lun = vport->cfg_max_luns;
1552 shost->this_id = -1;
1553 shost->max_cmd_len = 16;
1555 * Set initial can_queue value since 0 is no longer supported and
1556 * scsi_add_host will fail. This will be adjusted later based on the
1557 * max xri value determined in hba setup.
1559 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1560 if (dev != &phba->pcidev->dev) {
1561 shost->transportt = lpfc_vport_transport_template;
1562 vport->port_type = LPFC_NPIV_PORT;
1564 shost->transportt = lpfc_transport_template;
1565 vport->port_type = LPFC_PHYSICAL_PORT;
1568 /* Initialize all internally managed lists. */
1569 INIT_LIST_HEAD(&vport->fc_nodes);
1570 spin_lock_init(&vport->work_port_lock);
1572 init_timer(&vport->fc_disctmo);
1573 vport->fc_disctmo.function = lpfc_disc_timeout;
1574 vport->fc_disctmo.data = (unsigned long)vport;
1576 init_timer(&vport->fc_fdmitmo);
1577 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1578 vport->fc_fdmitmo.data = (unsigned long)vport;
1580 init_timer(&vport->els_tmofunc);
1581 vport->els_tmofunc.function = lpfc_els_timeout;
1582 vport->els_tmofunc.data = (unsigned long)vport;
1584 error = scsi_add_host(shost, dev);
1588 spin_lock_irq(&phba->hbalock);
1589 list_add_tail(&vport->listentry, &phba->port_list);
1590 spin_unlock_irq(&phba->hbalock);
1594 scsi_host_put(shost);
1600 destroy_port(struct lpfc_vport *vport)
1602 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1603 struct lpfc_hba *phba = vport->phba;
1605 kfree(vport->vname);
1607 lpfc_debugfs_terminate(vport);
1608 fc_remove_host(shost);
1609 scsi_remove_host(shost);
1611 spin_lock_irq(&phba->hbalock);
1612 list_del_init(&vport->listentry);
1613 spin_unlock_irq(&phba->hbalock);
1615 lpfc_cleanup(vport);
1620 lpfc_get_instance(void)
1624 /* Assign an unused number */
1625 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1627 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1633 * Note: there is no scan_start function as adapter initialization
1634 * will have asynchronously kicked off the link initialization.
1637 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1639 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1640 struct lpfc_hba *phba = vport->phba;
1643 spin_lock_irq(shost->host_lock);
1645 if (vport->fc_flag & FC_UNLOADING) {
1649 if (time >= 30 * HZ) {
1650 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1651 "%d:0461 Scanning longer than 30 "
1652 "seconds. Continuing initialization\n",
1657 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1658 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1659 "%d:0465 Link down longer than 15 "
1660 "seconds. Continuing initialization\n",
1666 if (vport->port_state != LPFC_VPORT_READY)
1668 if (vport->num_disc_nodes || vport->fc_prli_sent)
1670 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1672 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1678 spin_unlock_irq(shost->host_lock);
1682 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1684 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1685 struct lpfc_hba *phba = vport->phba;
1687 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1690 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1691 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1692 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1694 memset(fc_host_supported_fc4s(shost), 0,
1695 sizeof(fc_host_supported_fc4s(shost)));
1696 fc_host_supported_fc4s(shost)[2] = 1;
1697 fc_host_supported_fc4s(shost)[7] = 1;
1699 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1700 sizeof fc_host_symbolic_name(shost));
1702 fc_host_supported_speeds(shost) = 0;
1703 if (phba->lmt & LMT_10Gb)
1704 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1705 if (phba->lmt & LMT_4Gb)
1706 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1707 if (phba->lmt & LMT_2Gb)
1708 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1709 if (phba->lmt & LMT_1Gb)
1710 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1712 fc_host_maxframe_size(shost) =
1713 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1714 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1716 /* This value is also unchanging */
1717 memset(fc_host_active_fc4s(shost), 0,
1718 sizeof(fc_host_active_fc4s(shost)));
1719 fc_host_active_fc4s(shost)[2] = 1;
1720 fc_host_active_fc4s(shost)[7] = 1;
1722 fc_host_max_npiv_vports(shost) = phba->max_vpi;
1723 spin_lock_irq(shost->host_lock);
1724 vport->fc_flag &= ~FC_LOADING;
1725 spin_unlock_irq(shost->host_lock);
1728 static int __devinit
1729 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1731 struct lpfc_vport *vport = NULL;
1732 struct lpfc_hba *phba;
1733 struct lpfc_sli *psli;
1734 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1735 struct Scsi_Host *shost = NULL;
1736 unsigned long bar0map_len, bar2map_len;
1737 int error = -ENODEV;
1741 if (pci_enable_device(pdev))
1743 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1744 goto out_disable_device;
1746 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1748 goto out_release_regions;
1750 spin_lock_init(&phba->hbalock);
1752 phba->pcidev = pdev;
1754 /* Assign an unused board number */
1755 if ((phba->brd_no = lpfc_get_instance()) < 0)
1758 INIT_LIST_HEAD(&phba->port_list);
1759 INIT_LIST_HEAD(&phba->hbq_buffer_list);
1761 * Get all the module params for configuring this host and then
1762 * establish the host.
1764 lpfc_get_cfgparam(phba);
1765 phba->max_vpi = LPFC_MAX_VPI;
1767 /* Initialize timers used by driver */
1768 init_timer(&phba->fc_estabtmo);
1769 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1770 phba->fc_estabtmo.data = (unsigned long)phba;
1772 init_timer(&phba->hb_tmofunc);
1773 phba->hb_tmofunc.function = lpfc_hb_timeout;
1774 phba->hb_tmofunc.data = (unsigned long)phba;
1777 init_timer(&psli->mbox_tmo);
1778 psli->mbox_tmo.function = lpfc_mbox_timeout;
1779 psli->mbox_tmo.data = (unsigned long) phba;
1780 init_timer(&phba->fcp_poll_timer);
1781 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1782 phba->fcp_poll_timer.data = (unsigned long) phba;
1783 init_timer(&phba->fabric_block_timer);
1784 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1785 phba->fabric_block_timer.data = (unsigned long) phba;
1787 pci_set_master(pdev);
1788 pci_try_set_mwi(pdev);
1790 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1791 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1792 goto out_idr_remove;
1795 * Get the bus address of Bar0 and Bar2 and the number of bytes
1796 * required by each mapping.
1798 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1799 bar0map_len = pci_resource_len(phba->pcidev, 0);
1801 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1802 bar2map_len = pci_resource_len(phba->pcidev, 2);
1804 /* Map HBA SLIM to a kernel virtual address. */
1805 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1806 if (!phba->slim_memmap_p) {
1808 dev_printk(KERN_ERR, &pdev->dev,
1809 "ioremap failed for SLIM memory.\n");
1810 goto out_idr_remove;
1813 /* Map HBA Control Registers to a kernel virtual address. */
1814 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1815 if (!phba->ctrl_regs_memmap_p) {
1817 dev_printk(KERN_ERR, &pdev->dev,
1818 "ioremap failed for HBA control registers.\n");
1819 goto out_iounmap_slim;
1822 /* Allocate memory for SLI-2 structures */
1823 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1824 &phba->slim2p_mapping, GFP_KERNEL);
1828 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1830 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1831 lpfc_sli_hbq_size(),
1832 &phba->hbqslimp.phys,
1834 if (!phba->hbqslimp.virt)
1837 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1839 /* Initialize the SLI Layer to run with lpfc HBAs. */
1840 lpfc_sli_setup(phba);
1841 lpfc_sli_queue_setup(phba);
1843 error = lpfc_mem_alloc(phba);
1845 goto out_free_hbqslimp;
1847 /* Initialize and populate the iocb list per host. */
1848 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1849 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1850 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1851 if (iocbq_entry == NULL) {
1852 printk(KERN_ERR "%s: only allocated %d iocbs of "
1853 "expected %d count. Unloading driver.\n",
1854 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1856 goto out_free_iocbq;
1859 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1861 kfree (iocbq_entry);
1862 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1863 "Unloading driver.\n",
1866 goto out_free_iocbq;
1869 spin_lock_irq(&phba->hbalock);
1870 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1871 phba->total_iocbq_bufs++;
1872 spin_unlock_irq(&phba->hbalock);
1875 /* Initialize HBA structure */
1876 phba->fc_edtov = FF_DEF_EDTOV;
1877 phba->fc_ratov = FF_DEF_RATOV;
1878 phba->fc_altov = FF_DEF_ALTOV;
1879 phba->fc_arbtov = FF_DEF_ARBTOV;
1881 INIT_LIST_HEAD(&phba->work_list);
1882 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1883 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1885 /* Startup the kernel thread for this host adapter. */
1886 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1887 "lpfc_worker_%d", phba->brd_no);
1888 if (IS_ERR(phba->worker_thread)) {
1889 error = PTR_ERR(phba->worker_thread);
1890 goto out_free_iocbq;
1893 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1894 spin_lock_init(&phba->scsi_buf_list_lock);
1895 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1897 /* Initialize list of fabric iocbs */
1898 INIT_LIST_HEAD(&phba->fabric_iocb_list);
1900 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
1902 goto out_kthread_stop;
1904 shost = lpfc_shost_from_vport(vport);
1905 phba->pport = vport;
1906 lpfc_debugfs_initialize(vport);
1908 pci_set_drvdata(pdev, shost);
1910 if (phba->cfg_use_msi) {
1911 error = pci_enable_msi(phba->pcidev);
1913 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1914 "Enable MSI failed, continuing with "
1915 "IRQ\n", phba->brd_no);
1918 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1919 LPFC_DRIVER_NAME, phba);
1921 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1922 "%d:0451 Enable interrupt handler failed\n",
1924 goto out_disable_msi;
1927 phba->MBslimaddr = phba->slim_memmap_p;
1928 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1929 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1930 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1931 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1933 if (lpfc_alloc_sysfs_attr(vport))
1936 if (lpfc_sli_hba_setup(phba))
1937 goto out_remove_device;
1940 * hba setup may have changed the hba_queue_depth so we need to adjust
1941 * the value of can_queue.
1943 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1945 lpfc_host_attrib_init(shost);
1947 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1948 spin_lock_irq(shost->host_lock);
1949 lpfc_poll_start_timer(phba);
1950 spin_unlock_irq(shost->host_lock);
1953 scsi_scan_host(shost);
1958 lpfc_free_sysfs_attr(vport);
1959 spin_lock_irq(shost->host_lock);
1960 vport->fc_flag |= FC_UNLOADING;
1961 spin_unlock_irq(shost->host_lock);
1963 lpfc_stop_phba_timers(phba);
1964 phba->pport->work_port_events = 0;
1965 free_irq(phba->pcidev->irq, phba);
1967 pci_disable_msi(phba->pcidev);
1968 destroy_port(vport);
1970 kthread_stop(phba->worker_thread);
1972 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1973 &phba->lpfc_iocb_list, list) {
1975 phba->total_iocbq_bufs--;
1977 lpfc_mem_free(phba);
1979 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1980 phba->hbqslimp.phys);
1982 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1983 phba->slim2p_mapping);
1985 iounmap(phba->ctrl_regs_memmap_p);
1987 iounmap(phba->slim_memmap_p);
1989 idr_remove(&lpfc_hba_index, phba->brd_no);
1992 out_release_regions:
1993 pci_release_regions(pdev);
1995 pci_disable_device(pdev);
1997 pci_set_drvdata(pdev, NULL);
1999 scsi_host_put(shost);
2003 static void __devexit
2004 lpfc_pci_remove_one(struct pci_dev *pdev)
2006 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2007 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2008 struct lpfc_hba *phba = vport->phba;
2009 struct lpfc_vport *port_iterator;
2010 spin_lock_irq(&phba->hbalock);
2011 list_for_each_entry(port_iterator, &phba->port_list, listentry)
2012 port_iterator->load_flag |= FC_UNLOADING;
2013 spin_unlock_irq(&phba->hbalock);
2015 kfree(vport->vname);
2016 lpfc_free_sysfs_attr(vport);
2018 fc_remove_host(shost);
2019 scsi_remove_host(shost);
2022 * Bring down the SLI Layer. This step disable all interrupts,
2023 * clears the rings, discards all mailbox commands, and resets
2026 lpfc_sli_hba_down(phba);
2027 lpfc_sli_brdrestart(phba);
2029 lpfc_stop_phba_timers(phba);
2030 spin_lock_irq(&phba->hbalock);
2031 list_del_init(&vport->listentry);
2032 spin_unlock_irq(&phba->hbalock);
2034 lpfc_debugfs_terminate(vport);
2035 lpfc_cleanup(vport);
2037 kthread_stop(phba->worker_thread);
2039 /* Release the irq reservation */
2040 free_irq(phba->pcidev->irq, phba);
2041 pci_disable_msi(phba->pcidev);
2043 pci_set_drvdata(pdev, NULL);
2044 scsi_host_put(shost);
2047 * Call scsi_free before mem_free since scsi bufs are released to their
2048 * corresponding pools here.
2050 lpfc_scsi_free(phba);
2051 lpfc_mem_free(phba);
2053 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2054 phba->hbqslimp.phys);
2056 /* Free resources associated with SLI2 interface */
2057 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2058 phba->slim2p, phba->slim2p_mapping);
2060 /* unmap adapter SLIM and Control Registers */
2061 iounmap(phba->ctrl_regs_memmap_p);
2062 iounmap(phba->slim_memmap_p);
2064 idr_remove(&lpfc_hba_index, phba->brd_no);
2068 pci_release_regions(pdev);
2069 pci_disable_device(pdev);
2073 * lpfc_io_error_detected - called when PCI error is detected
2074 * @pdev: Pointer to PCI device
2075 * @state: The current pci conneection state
2077 * This function is called after a PCI bus error affecting
2078 * this device has been detected.
2080 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2081 pci_channel_state_t state)
2083 struct Scsi_Host *host = pci_get_drvdata(pdev);
2084 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2085 struct lpfc_sli *psli = &phba->sli;
2086 struct lpfc_sli_ring *pring;
2088 if (state == pci_channel_io_perm_failure)
2089 return PCI_ERS_RESULT_DISCONNECT;
2091 pci_disable_device(pdev);
2093 * There may be I/Os dropped by the firmware.
2094 * Error iocb (I/O) on txcmplq and let the SCSI layer
2095 * retry it after re-establishing link.
2097 pring = &psli->ring[psli->fcp_ring];
2098 lpfc_sli_abort_iocb_ring(phba, pring);
2100 /* Request a slot reset. */
2101 return PCI_ERS_RESULT_NEED_RESET;
2105 * lpfc_io_slot_reset - called after the pci bus has been reset.
2106 * @pdev: Pointer to PCI device
2108 * Restart the card from scratch, as if from a cold-boot.
2110 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2112 struct Scsi_Host *host = pci_get_drvdata(pdev);
2113 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2114 struct lpfc_sli *psli = &phba->sli;
2115 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2117 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2118 if (pci_enable_device_bars(pdev, bars)) {
2119 printk(KERN_ERR "lpfc: Cannot re-enable "
2120 "PCI device after reset.\n");
2121 return PCI_ERS_RESULT_DISCONNECT;
2124 pci_set_master(pdev);
2126 /* Re-establishing Link */
2127 spin_lock_irq(host->host_lock);
2128 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2129 spin_unlock_irq(host->host_lock);
2131 spin_lock_irq(&phba->hbalock);
2132 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2133 spin_unlock_irq(&phba->hbalock);
2136 /* Take device offline; this will perform cleanup */
2138 lpfc_sli_brdrestart(phba);
2140 return PCI_ERS_RESULT_RECOVERED;
2144 * lpfc_io_resume - called when traffic can start flowing again.
2145 * @pdev: Pointer to PCI device
2147 * This callback is called when the error recovery driver tells us that
2148 * its OK to resume normal operation.
2150 static void lpfc_io_resume(struct pci_dev *pdev)
2152 struct Scsi_Host *host = pci_get_drvdata(pdev);
2153 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2155 if (lpfc_online(phba) == 0) {
2156 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2160 static struct pci_device_id lpfc_id_table[] = {
2161 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2162 PCI_ANY_ID, PCI_ANY_ID, },
2163 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2164 PCI_ANY_ID, PCI_ANY_ID, },
2165 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2166 PCI_ANY_ID, PCI_ANY_ID, },
2167 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2168 PCI_ANY_ID, PCI_ANY_ID, },
2169 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2170 PCI_ANY_ID, PCI_ANY_ID, },
2171 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2172 PCI_ANY_ID, PCI_ANY_ID, },
2173 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2174 PCI_ANY_ID, PCI_ANY_ID, },
2175 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2176 PCI_ANY_ID, PCI_ANY_ID, },
2177 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2178 PCI_ANY_ID, PCI_ANY_ID, },
2179 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2180 PCI_ANY_ID, PCI_ANY_ID, },
2181 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2182 PCI_ANY_ID, PCI_ANY_ID, },
2183 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2184 PCI_ANY_ID, PCI_ANY_ID, },
2185 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2186 PCI_ANY_ID, PCI_ANY_ID, },
2187 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2188 PCI_ANY_ID, PCI_ANY_ID, },
2189 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2190 PCI_ANY_ID, PCI_ANY_ID, },
2191 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2192 PCI_ANY_ID, PCI_ANY_ID, },
2193 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2194 PCI_ANY_ID, PCI_ANY_ID, },
2195 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2196 PCI_ANY_ID, PCI_ANY_ID, },
2197 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2198 PCI_ANY_ID, PCI_ANY_ID, },
2199 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2200 PCI_ANY_ID, PCI_ANY_ID, },
2201 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2202 PCI_ANY_ID, PCI_ANY_ID, },
2203 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2204 PCI_ANY_ID, PCI_ANY_ID, },
2205 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2206 PCI_ANY_ID, PCI_ANY_ID, },
2207 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2208 PCI_ANY_ID, PCI_ANY_ID, },
2209 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2210 PCI_ANY_ID, PCI_ANY_ID, },
2211 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2212 PCI_ANY_ID, PCI_ANY_ID, },
2213 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2214 PCI_ANY_ID, PCI_ANY_ID, },
2215 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2216 PCI_ANY_ID, PCI_ANY_ID, },
2217 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2218 PCI_ANY_ID, PCI_ANY_ID, },
2219 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2220 PCI_ANY_ID, PCI_ANY_ID, },
2221 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2222 PCI_ANY_ID, PCI_ANY_ID, },
2223 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2224 PCI_ANY_ID, PCI_ANY_ID, },
2225 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2226 PCI_ANY_ID, PCI_ANY_ID, },
2230 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2232 static struct pci_error_handlers lpfc_err_handler = {
2233 .error_detected = lpfc_io_error_detected,
2234 .slot_reset = lpfc_io_slot_reset,
2235 .resume = lpfc_io_resume,
2238 static struct pci_driver lpfc_driver = {
2239 .name = LPFC_DRIVER_NAME,
2240 .id_table = lpfc_id_table,
2241 .probe = lpfc_pci_probe_one,
2242 .remove = __devexit_p(lpfc_pci_remove_one),
2243 .err_handler = &lpfc_err_handler,
2251 printk(LPFC_MODULE_DESC "\n");
2252 printk(LPFC_COPYRIGHT "\n");
2254 lpfc_transport_template =
2255 fc_attach_transport(&lpfc_transport_functions);
2256 lpfc_vport_transport_template =
2257 fc_attach_transport(&lpfc_vport_transport_functions);
2258 if (!lpfc_transport_template || !lpfc_vport_transport_template)
2260 error = pci_register_driver(&lpfc_driver);
2262 fc_release_transport(lpfc_transport_template);
2263 fc_release_transport(lpfc_vport_transport_template);
2272 pci_unregister_driver(&lpfc_driver);
2273 fc_release_transport(lpfc_transport_template);
2274 fc_release_transport(lpfc_vport_transport_template);
2277 module_init(lpfc_init);
2278 module_exit(lpfc_exit);
2279 MODULE_LICENSE("GPL");
2280 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2281 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2282 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);