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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.                        *
6  * www.emulex.com                                                  *
7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
8  *                                                                 *
9  * This program is free software; you can redistribute it and/or   *
10  * modify it under the terms of version 2 of the GNU General       *
11  * Public License as published by the Free Software Foundation.    *
12  * This program is distributed in the hope that it will be useful. *
13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
18  * more details, a copy of which can be found in the file COPYING  *
19  * included with this package.                                     *
20  *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
31
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
36
37 #include "lpfc_hw.h"
38 #include "lpfc_sli.h"
39 #include "lpfc_disc.h"
40 #include "lpfc_scsi.h"
41 #include "lpfc.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"
47
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 *);
51
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);
55
56
57
58 /************************************************************************/
59 /*                                                                      */
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.                            */
67 /*                                                                      */
68 /************************************************************************/
69 int
70 lpfc_config_port_prep(struct lpfc_hba *phba)
71 {
72         lpfc_vpd_t *vp = &phba->vpd;
73         int i = 0, rc;
74         LPFC_MBOXQ_t *pmb;
75         MAILBOX_t *mb;
76         char *lpfc_vpd_data = NULL;
77         uint16_t offset = 0;
78         static char licensed[56] =
79                     "key unlock for use with gnu public licensed code only\0";
80         static int init_key = 1;
81
82         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
83         if (!pmb) {
84                 phba->link_state = LPFC_HBA_ERROR;
85                 return -ENOMEM;
86         }
87
88         mb = &pmb->mb;
89         phba->link_state = LPFC_INIT_MBX_CMDS;
90
91         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
92                 if (init_key) {
93                         uint32_t *ptext = (uint32_t *) licensed;
94
95                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
96                                 *ptext = cpu_to_be32(*ptext);
97                         init_key = 0;
98                 }
99
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,
104                          sizeof (licensed));
105
106                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
107
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, "
112                                         "mbxStatus x%x\n",
113                                         phba->brd_no,
114                                         mb->mbxCommand, mb->mbxStatus);
115                         mempool_free(pmb, phba->mbox_mem_pool);
116                         return -ERESTART;
117                 }
118                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
119                        sizeof(phba->wwnn));
120                 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
121                        sizeof(phba->wwpn));
122         }
123
124         phba->sli3_options = 0x0;
125
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",
133                                 phba->brd_no,
134                                 mb->mbxCommand, mb->mbxStatus);
135                 mempool_free( pmb, phba->mbox_mem_pool);
136                 return -ERESTART;
137         }
138
139
140         /*
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.
143          */
144         if (mb->un.varRdRev.rr == 0) {
145                 vp->rev.rBit = 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",
149                                 phba->brd_no);
150                 mempool_free(pmb, phba->mbox_mem_pool);
151                 return -ERESTART;
152         }
153
154         if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
155                 return -EINVAL;
156
157         /* Save information as VPD data */
158         vp->rev.rBit = 1;
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;
174
175         /* If the sli feature level is less then 9, we must
176          * tear down all RPIs and VPIs on link down if NPIV
177          * is enabled.
178          */
179         if (vp->rev.feaLevelHigh < 9)
180                 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
181
182         if (lpfc_is_LC_HBA(phba->pcidev->device))
183                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
184                                                 sizeof (phba->RandomData));
185
186         /* Get adapter VPD information */
187         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
188         if (!pmb->context2)
189                 goto out_free_mbox;
190         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
191         if (!lpfc_vpd_data)
192                 goto out_free_context2;
193
194         do {
195                 lpfc_dump_mem(phba, pmb, offset);
196                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
197
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",
202                                         phba->brd_no,
203                                         mb->mbxCommand, mb->mbxStatus);
204                         mb->un.varDmp.word_cnt = 0;
205                 }
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);
213
214         kfree(lpfc_vpd_data);
215 out_free_context2:
216         kfree(pmb->context2);
217 out_free_mbox:
218         mempool_free(pmb, phba->mbox_mem_pool);
219         return 0;
220 }
221
222 /************************************************************************/
223 /*                                                                      */
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.                                               */
230 /*                                                                      */
231 /************************************************************************/
232 int
233 lpfc_config_port_post(struct lpfc_hba *phba)
234 {
235         struct lpfc_vport *vport = phba->pport;
236         LPFC_MBOXQ_t *pmb;
237         MAILBOX_t *mb;
238         struct lpfc_dmabuf *mp;
239         struct lpfc_sli *psli = &phba->sli;
240         uint32_t status, timeout;
241         int i, j;
242         int rc;
243
244         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
245         if (!pmb) {
246                 phba->link_state = LPFC_HBA_ERROR;
247                 return -ENOMEM;
248         }
249         mb = &pmb->mb;
250
251         /* Get login parameters for NID.  */
252         lpfc_read_sparam(phba, pmb, 0);
253         pmb->vport = vport;
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",
258                                 phba->brd_no,
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);
264                 kfree(mp);
265                 return -EIO;
266         }
267
268         mp = (struct lpfc_dmabuf *) pmb->context1;
269
270         memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
271         lpfc_mbuf_free(phba, mp->virt, mp->phys);
272         kfree(mp);
273         pmb->context1 = NULL;
274
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) {
288                 uint8_t *outptr;
289
290                 outptr = &vport->fc_nodename.u.s.IEEE[0];
291                 for (i = 0; i < 12; i++) {
292                         status = *outptr++;
293                         j = ((status & 0xf0) >> 4);
294                         if (j <= 9)
295                                 phba->SerialNumber[i] =
296                                     (char)((uint8_t) 0x30 + (uint8_t) j);
297                         else
298                                 phba->SerialNumber[i] =
299                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
300                         i++;
301                         j = (status & 0xf);
302                         if (j <= 9)
303                                 phba->SerialNumber[i] =
304                                     (char)((uint8_t) 0x30 + (uint8_t) j);
305                         else
306                                 phba->SerialNumber[i] =
307                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
308                 }
309         }
310
311         lpfc_read_config(phba, pmb);
312         pmb->vport = vport;
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",
317                                 phba->brd_no,
318                                 mb->mbxCommand, mb->mbxStatus);
319                 phba->link_state = LPFC_HBA_ERROR;
320                 mempool_free( pmb, phba->mbox_mem_pool);
321                 return -EIO;
322         }
323
324         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
325         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
326                 phba->cfg_hba_queue_depth =
327                         mb->un.varRdConfig.max_xri + 1;
328
329         phba->lmt = mb->un.varRdConfig.lmt;
330
331         /* Get the default values for Model Name and Description */
332         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
333
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",
349                         phba->brd_no,
350                         phba->cfg_link_speed);
351                         phba->cfg_link_speed = LINK_SPEED_AUTO;
352         }
353
354         phba->link_state = LPFC_LINK_DOWN;
355
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;
363
364         /* Post receive buffers for desired rings */
365         if (phba->sli_rev != 3)
366                 lpfc_post_rcv_buf(phba);
367
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;
380
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);
384
385         writel(status, phba->HCregaddr);
386         readl(phba->HCregaddr); /* flush */
387         spin_unlock_irq(&phba->hbalock);
388
389         /*
390          * Setup the ring 0 (els)  timeout handler
391          */
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;
397
398         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
399         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
400         pmb->vport = vport;
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",
407                                 phba->brd_no,
408                                 mb->mbxCommand, mb->mbxStatus);
409
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 */
416
417                 phba->link_state = LPFC_HBA_ERROR;
418                 if (rc != MBX_BUSY)
419                         mempool_free(pmb, phba->mbox_mem_pool);
420                 return -EIO;
421         }
422         /* MBOX buffer will be freed in mbox compl */
423
424         return (0);
425 }
426
427 /************************************************************************/
428 /*                                                                      */
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.                                               */
435 /*                                                                      */
436 /************************************************************************/
437 int
438 lpfc_hba_down_prep(struct lpfc_hba *phba)
439 {
440         struct lpfc_vport **vports;
441         int i;
442
443         /* Disable interrupts */
444         writel(0, phba->HCregaddr);
445         readl(phba->HCregaddr); /* flush */
446
447         vports = lpfc_create_vport_work_array(phba);
448         if (vports != NULL)
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);
452         return 0;
453 }
454
455 /************************************************************************/
456 /*                                                                      */
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.                                               */
462 /*                                                                      */
463 /************************************************************************/
464 int
465 lpfc_hba_down_post(struct lpfc_hba *phba)
466 {
467         struct lpfc_sli *psli = &phba->sli;
468         struct lpfc_sli_ring *pring;
469         struct lpfc_dmabuf *mp, *next_mp;
470         int i;
471
472         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
473                 lpfc_sli_hbqbuf_free_all(phba);
474         else {
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) {
478                         list_del(&mp->list);
479                         pring->postbufq_cnt--;
480                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
481                         kfree(mp);
482                 }
483         }
484
485         for (i = 0; i < psli->num_rings; i++) {
486                 pring = &psli->ring[i];
487                 lpfc_sli_abort_iocb_ring(phba, pring);
488         }
489
490         return 0;
491 }
492
493 /* HBA heart beat timeout handler */
494 void
495 lpfc_hb_timeout(unsigned long ptr)
496 {
497         struct lpfc_hba *phba;
498         unsigned long iflag;
499
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);
505
506         if (phba->work_wait)
507                 wake_up(phba->work_wait);
508         return;
509 }
510
511 static void
512 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
513 {
514         unsigned long drvr_flag;
515
516         spin_lock_irqsave(&phba->hbalock, drvr_flag);
517         phba->hb_outstanding = 0;
518         spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
519
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);
526         return;
527 }
528
529 void
530 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
531 {
532         LPFC_MBOXQ_t *pmboxq;
533         int retval;
534         struct lpfc_sli *psli = &phba->sli;
535
536         if ((phba->link_state == LPFC_HBA_ERROR) ||
537                 (phba->pport->fc_flag & FC_UNLOADING) ||
538                 (phba->pport->fc_flag & FC_OFFLINE_MODE))
539                 return;
540
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);
545                 return;
546         }
547
548         if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
549                 jiffies)) {
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);
554                 else
555                         mod_timer(&phba->hb_tmofunc,
556                                 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
557                 return;
558         }
559         spin_unlock_irq(&phba->pport->work_port_lock);
560
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);
564                 if (!pmboxq) {
565                         mod_timer(&phba->hb_tmofunc,
566                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
567                         return;
568                 }
569
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);
574
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);
579                         return;
580                 }
581                 mod_timer(&phba->hb_tmofunc,
582                         jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
583                 phba->hb_outstanding = 1;
584                 return;
585         } else {
586                 /*
587                  * If heart beat timeout called with hb_outstanding set we
588                  * need to take the HBA offline.
589                  */
590                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
591                         "%d:0459 Adapter heartbeat failure, taking "
592                         "this port offline.\n", phba->brd_no);
593
594                 spin_lock_irq(&phba->hbalock);
595                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
596                 spin_unlock_irq(&phba->hbalock);
597
598                 lpfc_offline_prep(phba);
599                 lpfc_offline(phba);
600                 lpfc_unblock_mgmt_io(phba);
601                 phba->link_state = LPFC_HBA_ERROR;
602                 lpfc_hba_down_post(phba);
603         }
604 }
605
606 /************************************************************************/
607 /*                                                                      */
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.                                  */
612 /*                                                                      */
613 /************************************************************************/
614 void
615 lpfc_handle_eratt(struct lpfc_hba *phba)
616 {
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;
621         uint32_t event_data;
622         struct Scsi_Host  *shost;
623         int i;
624
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))
628                 return;
629
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);
639                 if (vports != NULL)
640                         for(i = 0;
641                             i < LPFC_MAX_VPORTS && vports[i] != NULL;
642                             i++){
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);
647                         }
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);
652
653                 /*
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.
658                 */
659                 pring = &psli->ring[psli->fcp_ring];
660                 lpfc_sli_abort_iocb_ring(phba, pring);
661
662
663                 /*
664                  * There was a firmware error.  Take the hba offline and then
665                  * attempt to restart it.
666                  */
667                 lpfc_offline_prep(phba);
668                 lpfc_offline(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);
673                         return;
674                 }
675                 lpfc_unblock_mgmt_io(phba);
676         } else {
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.
680                  */
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]);
686
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);
692
693                 spin_lock_irq(&phba->hbalock);
694                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
695                 spin_unlock_irq(&phba->hbalock);
696                 lpfc_offline_prep(phba);
697                 lpfc_offline(phba);
698                 lpfc_unblock_mgmt_io(phba);
699                 phba->link_state = LPFC_HBA_ERROR;
700                 lpfc_hba_down_post(phba);
701         }
702 }
703
704 /************************************************************************/
705 /*                                                                      */
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.                                  */
710 /*                                                                      */
711 /************************************************************************/
712 void
713 lpfc_handle_latt(struct lpfc_hba *phba)
714 {
715         struct lpfc_vport *vport = phba->pport;
716         struct lpfc_sli   *psli = &phba->sli;
717         LPFC_MBOXQ_t *pmb;
718         volatile uint32_t control;
719         struct lpfc_dmabuf *mp;
720         int rc = -ENOMEM;
721
722         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
723         if (!pmb)
724                 goto lpfc_handle_latt_err_exit;
725
726         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
727         if (!mp)
728                 goto lpfc_handle_latt_free_pmb;
729
730         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
731         if (!mp->virt)
732                 goto lpfc_handle_latt_free_mp;
733
734         rc = -EIO;
735
736         /* Cleanup any outstanding ELS commands */
737         lpfc_els_flush_all_cmd(phba);
738
739         psli->slistat.link_event++;
740         lpfc_read_la(phba, pmb, mp);
741         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
742         pmb->vport = vport;
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;
746
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);
752
753         return;
754
755 lpfc_handle_latt_free_mbuf:
756         lpfc_mbuf_free(phba, mp->virt, mp->phys);
757 lpfc_handle_latt_free_mp:
758         kfree(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 */
769
770         /* Clear Link Attention in HA REG */
771         writel(HA_LATT, phba->HAregaddr);
772         readl(phba->HAregaddr); /* flush */
773         spin_unlock_irq(&phba->hbalock);
774         lpfc_linkdown(phba);
775         phba->link_state = LPFC_HBA_ERROR;
776
777         /* The other case is an error from issue_mbox */
778         if (rc == -ENOMEM)
779                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
780                                 "%d:0300 READ_LA: no buffers\n",
781                                 phba->brd_no);
782
783         return;
784 }
785
786 /************************************************************************/
787 /*                                                                      */
788 /*   lpfc_parse_vpd                                                     */
789 /*   This routine will parse the VPD data                               */
790 /*                                                                      */
791 /************************************************************************/
792 static int
793 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
794 {
795         uint8_t lenlo, lenhi;
796         int Length;
797         int i, j;
798         int finished = 0;
799         int index = 0;
800
801         if (!vpd)
802                 return 0;
803
804         /* Vital Product */
805         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
806                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
807                         phba->brd_no,
808                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
809                         (uint32_t) vpd[3]);
810         while (!finished && (index < (len - 4))) {
811                 switch (vpd[index]) {
812                 case 0x82:
813                 case 0x91:
814                         index += 1;
815                         lenlo = vpd[index];
816                         index += 1;
817                         lenhi = vpd[index];
818                         index += 1;
819                         i = ((((unsigned short)lenhi) << 8) + lenlo);
820                         index += i;
821                         break;
822                 case 0x90:
823                         index += 1;
824                         lenlo = vpd[index];
825                         index += 1;
826                         lenhi = vpd[index];
827                         index += 1;
828                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
829                         if (Length > len - index)
830                                 Length = len - index;
831                         while (Length > 0) {
832                         /* Look for Serial Number */
833                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
834                                 index += 2;
835                                 i = vpd[index];
836                                 index += 1;
837                                 j = 0;
838                                 Length -= (3+i);
839                                 while(i--) {
840                                         phba->SerialNumber[j++] = vpd[index++];
841                                         if (j == 31)
842                                                 break;
843                                 }
844                                 phba->SerialNumber[j] = 0;
845                                 continue;
846                         }
847                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
848                                 phba->vpd_flag |= VPD_MODEL_DESC;
849                                 index += 2;
850                                 i = vpd[index];
851                                 index += 1;
852                                 j = 0;
853                                 Length -= (3+i);
854                                 while(i--) {
855                                         phba->ModelDesc[j++] = vpd[index++];
856                                         if (j == 255)
857                                                 break;
858                                 }
859                                 phba->ModelDesc[j] = 0;
860                                 continue;
861                         }
862                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
863                                 phba->vpd_flag |= VPD_MODEL_NAME;
864                                 index += 2;
865                                 i = vpd[index];
866                                 index += 1;
867                                 j = 0;
868                                 Length -= (3+i);
869                                 while(i--) {
870                                         phba->ModelName[j++] = vpd[index++];
871                                         if (j == 79)
872                                                 break;
873                                 }
874                                 phba->ModelName[j] = 0;
875                                 continue;
876                         }
877                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
878                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
879                                 index += 2;
880                                 i = vpd[index];
881                                 index += 1;
882                                 j = 0;
883                                 Length -= (3+i);
884                                 while(i--) {
885                                         phba->ProgramType[j++] = vpd[index++];
886                                         if (j == 255)
887                                                 break;
888                                 }
889                                 phba->ProgramType[j] = 0;
890                                 continue;
891                         }
892                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
893                                 phba->vpd_flag |= VPD_PORT;
894                                 index += 2;
895                                 i = vpd[index];
896                                 index += 1;
897                                 j = 0;
898                                 Length -= (3+i);
899                                 while(i--) {
900                                 phba->Port[j++] = vpd[index++];
901                                 if (j == 19)
902                                         break;
903                                 }
904                                 phba->Port[j] = 0;
905                                 continue;
906                         }
907                         else {
908                                 index += 2;
909                                 i = vpd[index];
910                                 index += 1;
911                                 index += i;
912                                 Length -= (3 + i);
913                         }
914                 }
915                 finished = 0;
916                 break;
917                 case 0x78:
918                         finished = 1;
919                         break;
920                 default:
921                         index ++;
922                         break;
923                 }
924         }
925
926         return(1);
927 }
928
929 static void
930 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
931 {
932         lpfc_vpd_t *vp;
933         uint16_t dev_id = phba->pcidev->device;
934         int max_speed;
935         struct {
936                 char * name;
937                 int    max_speed;
938                 char * bus;
939         } m = {"<Unknown>", 0, ""};
940
941         if (mdp && mdp[0] != '\0'
942                 && descp && descp[0] != '\0')
943                 return;
944
945         if (phba->lmt & LMT_10Gb)
946                 max_speed = 10;
947         else if (phba->lmt & LMT_8Gb)
948                 max_speed = 8;
949         else if (phba->lmt & LMT_4Gb)
950                 max_speed = 4;
951         else if (phba->lmt & LMT_2Gb)
952                 max_speed = 2;
953         else
954                 max_speed = 1;
955
956         vp = &phba->vpd;
957
958         switch (dev_id) {
959         case PCI_DEVICE_ID_FIREFLY:
960                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
961                 break;
962         case PCI_DEVICE_ID_SUPERFLY:
963                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
964                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
965                 else
966                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
967                 break;
968         case PCI_DEVICE_ID_DRAGONFLY:
969                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
970                 break;
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"};
974                 else
975                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
976                 break;
977         case PCI_DEVICE_ID_RFLY:
978                 m = (typeof(m)){"LP952", max_speed, "PCI"};
979                 break;
980         case PCI_DEVICE_ID_PEGASUS:
981                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
982                 break;
983         case PCI_DEVICE_ID_THOR:
984                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
985                 break;
986         case PCI_DEVICE_ID_VIPER:
987                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
988                 break;
989         case PCI_DEVICE_ID_PFLY:
990                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
991                 break;
992         case PCI_DEVICE_ID_TFLY:
993                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
994                 break;
995         case PCI_DEVICE_ID_HELIOS:
996                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
997                 break;
998         case PCI_DEVICE_ID_HELIOS_SCSP:
999                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1000                 break;
1001         case PCI_DEVICE_ID_HELIOS_DCSP:
1002                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1003                 break;
1004         case PCI_DEVICE_ID_NEPTUNE:
1005                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1006                 break;
1007         case PCI_DEVICE_ID_NEPTUNE_SCSP:
1008                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1009                 break;
1010         case PCI_DEVICE_ID_NEPTUNE_DCSP:
1011                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1012                 break;
1013         case PCI_DEVICE_ID_BMID:
1014                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1015                 break;
1016         case PCI_DEVICE_ID_BSMB:
1017                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1018                 break;
1019         case PCI_DEVICE_ID_ZEPHYR:
1020                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1021                 break;
1022         case PCI_DEVICE_ID_ZEPHYR_SCSP:
1023                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1024                 break;
1025         case PCI_DEVICE_ID_ZEPHYR_DCSP:
1026                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1027                 break;
1028         case PCI_DEVICE_ID_ZMID:
1029                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1030                 break;
1031         case PCI_DEVICE_ID_ZSMB:
1032                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1033                 break;
1034         case PCI_DEVICE_ID_LP101:
1035                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1036                 break;
1037         case PCI_DEVICE_ID_LP10000S:
1038                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1039                 break;
1040         case PCI_DEVICE_ID_LP11000S:
1041                 m = (typeof(m)){"LP11000-S", max_speed,
1042                         "PCI-X2"};
1043                 break;
1044         case PCI_DEVICE_ID_LPE11000S:
1045                 m = (typeof(m)){"LPe11000-S", max_speed,
1046                         "PCIe"};
1047                 break;
1048         case PCI_DEVICE_ID_SAT:
1049                 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1050                 break;
1051         case PCI_DEVICE_ID_SAT_MID:
1052                 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1053                 break;
1054         case PCI_DEVICE_ID_SAT_SMB:
1055                 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1056                 break;
1057         case PCI_DEVICE_ID_SAT_DCSP:
1058                 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1059                 break;
1060         case PCI_DEVICE_ID_SAT_SCSP:
1061                 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1062                 break;
1063         case PCI_DEVICE_ID_SAT_S:
1064                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1065                 break;
1066         default:
1067                 m = (typeof(m)){ NULL };
1068                 break;
1069         }
1070
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);
1077 }
1078
1079 /**************************************************/
1080 /*   lpfc_post_buffer                             */
1081 /*                                                */
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 /**************************************************/
1087 int
1088 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1089                  int type)
1090 {
1091         IOCB_t *icmd;
1092         struct lpfc_iocbq *iocb;
1093         struct lpfc_dmabuf *mp1, *mp2;
1094
1095         cnt += pring->missbufcnt;
1096
1097         /* While there are buffers to post */
1098         while (cnt > 0) {
1099                 /* Allocate buffer for  command iocb */
1100                 iocb = lpfc_sli_get_iocbq(phba);
1101                 if (iocb == NULL) {
1102                         pring->missbufcnt = cnt;
1103                         return cnt;
1104                 }
1105                 icmd = &iocb->iocb;
1106
1107                 /* 2 buffers can be posted per command */
1108                 /* Allocate buffer to post */
1109                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1110                 if (mp1)
1111                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1112                                                 &mp1->phys);
1113                 if (mp1 == 0 || mp1->virt == 0) {
1114                         kfree(mp1);
1115                         lpfc_sli_release_iocbq(phba, iocb);
1116                         pring->missbufcnt = cnt;
1117                         return cnt;
1118                 }
1119
1120                 INIT_LIST_HEAD(&mp1->list);
1121                 /* Allocate buffer to post */
1122                 if (cnt > 1) {
1123                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1124                         if (mp2)
1125                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1126                                                             &mp2->phys);
1127                         if (mp2 == 0 || mp2->virt == 0) {
1128                                 kfree(mp2);
1129                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1130                                 kfree(mp1);
1131                                 lpfc_sli_release_iocbq(phba, iocb);
1132                                 pring->missbufcnt = cnt;
1133                                 return cnt;
1134                         }
1135
1136                         INIT_LIST_HEAD(&mp2->list);
1137                 } else {
1138                         mp2 = NULL;
1139                 }
1140
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;
1145                 cnt--;
1146                 if (mp2) {
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;
1150                         cnt--;
1151                         icmd->ulpBdeCount = 2;
1152                 }
1153
1154                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1155                 icmd->ulpLe = 1;
1156
1157                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1158                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1159                         kfree(mp1);
1160                         cnt++;
1161                         if (mp2) {
1162                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1163                                 kfree(mp2);
1164                                 cnt++;
1165                         }
1166                         lpfc_sli_release_iocbq(phba, iocb);
1167                         pring->missbufcnt = cnt;
1168                         return cnt;
1169                 }
1170                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1171                 if (mp2)
1172                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1173         }
1174         pring->missbufcnt = 0;
1175         return 0;
1176 }
1177
1178 /************************************************************************/
1179 /*                                                                      */
1180 /*   lpfc_post_rcv_buf                                                  */
1181 /*   This routine post initial rcv buffers to the configured rings      */
1182 /*                                                                      */
1183 /************************************************************************/
1184 static int
1185 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1186 {
1187         struct lpfc_sli *psli = &phba->sli;
1188
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 */
1192
1193         return 0;
1194 }
1195
1196 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1197
1198 /************************************************************************/
1199 /*                                                                      */
1200 /*   lpfc_sha_init                                                      */
1201 /*                                                                      */
1202 /************************************************************************/
1203 static void
1204 lpfc_sha_init(uint32_t * HashResultPointer)
1205 {
1206         HashResultPointer[0] = 0x67452301;
1207         HashResultPointer[1] = 0xEFCDAB89;
1208         HashResultPointer[2] = 0x98BADCFE;
1209         HashResultPointer[3] = 0x10325476;
1210         HashResultPointer[4] = 0xC3D2E1F0;
1211 }
1212
1213 /************************************************************************/
1214 /*                                                                      */
1215 /*   lpfc_sha_iterate                                                   */
1216 /*                                                                      */
1217 /************************************************************************/
1218 static void
1219 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1220 {
1221         int t;
1222         uint32_t TEMP;
1223         uint32_t A, B, C, D, E;
1224         t = 16;
1225         do {
1226                 HashWorkingPointer[t] =
1227                     S(1,
1228                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1229                                                                      8] ^
1230                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1231         } while (++t <= 79);
1232         t = 0;
1233         A = HashResultPointer[0];
1234         B = HashResultPointer[1];
1235         C = HashResultPointer[2];
1236         D = HashResultPointer[3];
1237         E = HashResultPointer[4];
1238
1239         do {
1240                 if (t < 20) {
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;
1246                 } else {
1247                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1248                 }
1249                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1250                 E = D;
1251                 D = C;
1252                 C = S(30, B);
1253                 B = A;
1254                 A = TEMP;
1255         } while (++t <= 79);
1256
1257         HashResultPointer[0] += A;
1258         HashResultPointer[1] += B;
1259         HashResultPointer[2] += C;
1260         HashResultPointer[3] += D;
1261         HashResultPointer[4] += E;
1262
1263 }
1264
1265 /************************************************************************/
1266 /*                                                                      */
1267 /*   lpfc_challenge_key                                                 */
1268 /*                                                                      */
1269 /************************************************************************/
1270 static void
1271 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1272 {
1273         *HashWorking = (*RandomChallenge ^ *HashWorking);
1274 }
1275
1276 /************************************************************************/
1277 /*                                                                      */
1278 /*   lpfc_hba_init                                                      */
1279 /*                                                                      */
1280 /************************************************************************/
1281 void
1282 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1283 {
1284         int t;
1285         uint32_t *HashWorking;
1286         uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1287
1288         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1289         if (!HashWorking)
1290                 return;
1291
1292         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1293         HashWorking[0] = HashWorking[78] = *pwwnn++;
1294         HashWorking[1] = HashWorking[79] = *pwwnn;
1295
1296         for (t = 0; t < 7; t++)
1297                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1298
1299         lpfc_sha_init(hbainit);
1300         lpfc_sha_iterate(hbainit, HashWorking);
1301         kfree(HashWorking);
1302 }
1303
1304 static void
1305 lpfc_cleanup(struct lpfc_vport *vport)
1306 {
1307         struct lpfc_nodelist *ndlp, *next_ndlp;
1308
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)
1312                 lpfc_nlp_put(ndlp);
1313         return;
1314 }
1315
1316 static void
1317 lpfc_establish_link_tmo(unsigned long ptr)
1318 {
1319         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1320         struct lpfc_vport **vports;
1321         unsigned long iflag;
1322         int i;
1323
1324         /* Re-establishing Link, timer expired */
1325         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1326                         "%d:1300 Re-establishing Link, timer expired "
1327                         "Data: x%x x%x\n",
1328                         phba->brd_no,  phba->pport->fc_flag,
1329                         phba->pport->port_state);
1330         vports = lpfc_create_vport_work_array(phba);
1331         if (vports != NULL)
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);
1338                 }
1339         lpfc_destroy_vport_work_array(vports);
1340 }
1341
1342 void
1343 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1344 {
1345         del_timer_sync(&vport->els_tmofunc);
1346         del_timer_sync(&vport->fc_fdmitmo);
1347         lpfc_can_disctmo(vport);
1348         return;
1349 }
1350
1351 static void
1352 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1353 {
1354         struct lpfc_vport **vports;
1355         int i;
1356
1357         del_timer_sync(&phba->fcp_poll_timer);
1358         del_timer_sync(&phba->fc_estabtmo);
1359         vports = lpfc_create_vport_work_array(phba);
1360         if (vports != NULL)
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);
1368         return;
1369 }
1370
1371 int
1372 lpfc_online(struct lpfc_hba *phba)
1373 {
1374         struct lpfc_vport *vport = phba->pport;
1375         struct lpfc_vport **vports;
1376         int i;
1377
1378         if (!phba)
1379                 return 0;
1380
1381         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1382                 return 0;
1383
1384         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1385                        "%d:0458 Bring Adapter online\n",
1386                        phba->brd_no);
1387
1388         lpfc_block_mgmt_io(phba);
1389
1390         if (!lpfc_sli_queue_setup(phba)) {
1391                 lpfc_unblock_mgmt_io(phba);
1392                 return 1;
1393         }
1394
1395         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1396                 lpfc_unblock_mgmt_io(phba);
1397                 return 1;
1398         }
1399
1400         vports = lpfc_create_vport_work_array(phba);
1401         if (vports != NULL)
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);
1410                 }
1411                 lpfc_destroy_vport_work_array(vports);
1412
1413         lpfc_unblock_mgmt_io(phba);
1414         return 0;
1415 }
1416
1417 void
1418 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1419 {
1420         unsigned long iflag;
1421
1422         spin_lock_irqsave(&phba->hbalock, iflag);
1423         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1424         spin_unlock_irqrestore(&phba->hbalock, iflag);
1425 }
1426
1427 void
1428 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1429 {
1430         unsigned long iflag;
1431
1432         spin_lock_irqsave(&phba->hbalock, iflag);
1433         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1434         spin_unlock_irqrestore(&phba->hbalock, iflag);
1435 }
1436
1437 void
1438 lpfc_offline_prep(struct lpfc_hba * phba)
1439 {
1440         struct lpfc_vport *vport = phba->pport;
1441         struct lpfc_nodelist  *ndlp, *next_ndlp;
1442
1443         if (vport->fc_flag & FC_OFFLINE_MODE)
1444                 return;
1445
1446         lpfc_block_mgmt_io(phba);
1447
1448         lpfc_linkdown(phba);
1449
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);
1454
1455         lpfc_sli_flush_mbox_queue(phba);
1456 }
1457
1458 void
1459 lpfc_offline(struct lpfc_hba *phba)
1460 {
1461         struct Scsi_Host  *shost;
1462         struct lpfc_vport **vports;
1463         int i;
1464
1465         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1466                 return;
1467
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",
1472                        phba->brd_no);
1473         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1474            now.  */
1475         lpfc_sli_hba_down(phba);
1476         spin_lock_irq(&phba->hbalock);
1477         phba->work_ha = 0;
1478         spin_unlock_irq(&phba->hbalock);
1479         vports = lpfc_create_vport_work_array(phba);
1480         if (vports != NULL)
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);
1488                 }
1489         lpfc_destroy_vport_work_array(vports);
1490 }
1491
1492 /******************************************************************************
1493 * Function name: lpfc_scsi_free
1494 *
1495 * Description: Called from lpfc_pci_remove_one free internal driver resources
1496 *
1497 ******************************************************************************/
1498 static int
1499 lpfc_scsi_free(struct lpfc_hba *phba)
1500 {
1501         struct lpfc_scsi_buf *sb, *sb_next;
1502         struct lpfc_iocbq *io, *io_next;
1503
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,
1509                               sb->dma_handle);
1510                 kfree(sb);
1511                 phba->total_scsi_bufs--;
1512         }
1513
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);
1517                 kfree(io);
1518                 phba->total_iocbq_bufs--;
1519         }
1520
1521         spin_unlock_irq(&phba->hbalock);
1522
1523         return 0;
1524 }
1525
1526 struct lpfc_vport *
1527 lpfc_create_port(struct lpfc_hba *phba, int instance, struct fc_vport *fc_vport)
1528 {
1529         struct lpfc_vport *vport;
1530         struct Scsi_Host  *shost;
1531         int error = 0;
1532
1533         shost = scsi_host_alloc(&lpfc_template, sizeof(struct lpfc_vport));
1534         if (!shost)
1535                 goto out;
1536
1537         vport = (struct lpfc_vport *) shost->hostdata;
1538         vport->phba = phba;
1539
1540         vport->load_flag |= FC_LOADING;
1541         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1542
1543         shost->unique_id = instance;
1544         shost->max_id = LPFC_MAX_TARGET;
1545         shost->max_lun = phba->cfg_max_luns;
1546         shost->this_id = -1;
1547         shost->max_cmd_len = 16;
1548         /*
1549          * Set initial can_queue value since 0 is no longer supported and
1550          * scsi_add_host will fail. This will be adjusted later based on the
1551          * max xri value determined in hba setup.
1552          */
1553         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1554         if (fc_vport != NULL) {
1555                 shost->transportt = lpfc_vport_transport_template;
1556                 vport->port_type = LPFC_NPIV_PORT;
1557         } else {
1558                 shost->transportt = lpfc_transport_template;
1559                 vport->port_type = LPFC_PHYSICAL_PORT;
1560         }
1561
1562         /* Initialize all internally managed lists. */
1563         INIT_LIST_HEAD(&vport->fc_nodes);
1564         spin_lock_init(&vport->work_port_lock);
1565
1566         init_timer(&vport->fc_disctmo);
1567         vport->fc_disctmo.function = lpfc_disc_timeout;
1568         vport->fc_disctmo.data = (unsigned long)vport;
1569
1570         init_timer(&vport->fc_fdmitmo);
1571         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1572         vport->fc_fdmitmo.data = (unsigned long)vport;
1573
1574         init_timer(&vport->els_tmofunc);
1575         vport->els_tmofunc.function = lpfc_els_timeout;
1576         vport->els_tmofunc.data = (unsigned long)vport;
1577
1578         if (fc_vport != NULL) {
1579                 error = scsi_add_host(shost, &fc_vport->dev);
1580         } else {
1581                 error = scsi_add_host(shost, &phba->pcidev->dev);
1582         }
1583         if (error)
1584                 goto out_put_shost;
1585
1586         spin_lock_irq(&phba->hbalock);
1587         list_add_tail(&vport->listentry, &phba->port_list);
1588         spin_unlock_irq(&phba->hbalock);
1589         return vport;
1590
1591 out_put_shost:
1592         scsi_host_put(shost);
1593 out:
1594         return NULL;
1595 }
1596
1597 void
1598 destroy_port(struct lpfc_vport *vport)
1599 {
1600         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1601         struct lpfc_hba  *phba = vport->phba;
1602
1603         kfree(vport->vname);
1604
1605         lpfc_debugfs_terminate(vport);
1606         fc_remove_host(shost);
1607         scsi_remove_host(shost);
1608
1609         spin_lock_irq(&phba->hbalock);
1610         list_del_init(&vport->listentry);
1611         spin_unlock_irq(&phba->hbalock);
1612
1613         lpfc_cleanup(vport);
1614         return;
1615 }
1616
1617 int
1618 lpfc_get_instance(void)
1619 {
1620         int instance = 0;
1621
1622         /* Assign an unused number */
1623         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1624                 return -1;
1625         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1626                 return -1;
1627         return instance;
1628 }
1629
1630 /*
1631  * Note: there is no scan_start function as adapter initialization
1632  * will have asynchronously kicked off the link initialization.
1633  */
1634
1635 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1636 {
1637         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1638         struct lpfc_hba   *phba = vport->phba;
1639         int stat = 0;
1640
1641         spin_lock_irq(shost->host_lock);
1642
1643         if (vport->fc_flag & FC_UNLOADING) {
1644                 stat = 1;
1645                 goto finished;
1646         }
1647         if (time >= 30 * HZ) {
1648                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1649                                 "%d:0461 Scanning longer than 30 "
1650                                 "seconds.  Continuing initialization\n",
1651                                 phba->brd_no);
1652                 stat = 1;
1653                 goto finished;
1654         }
1655         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1656                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1657                                 "%d:0465 Link down longer than 15 "
1658                                 "seconds.  Continuing initialization\n",
1659                                 phba->brd_no);
1660                 stat = 1;
1661                 goto finished;
1662         }
1663
1664         if (vport->port_state != LPFC_VPORT_READY)
1665                 goto finished;
1666         if (vport->num_disc_nodes || vport->fc_prli_sent)
1667                 goto finished;
1668         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1669                 goto finished;
1670         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1671                 goto finished;
1672
1673         stat = 1;
1674
1675 finished:
1676         spin_unlock_irq(shost->host_lock);
1677         return stat;
1678 }
1679
1680 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1681 {
1682         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1683         struct lpfc_hba   *phba = vport->phba;
1684         /*
1685          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1686          */
1687
1688         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1689         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1690         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1691
1692         memset(fc_host_supported_fc4s(shost), 0,
1693                sizeof(fc_host_supported_fc4s(shost)));
1694         fc_host_supported_fc4s(shost)[2] = 1;
1695         fc_host_supported_fc4s(shost)[7] = 1;
1696
1697         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1698                                  sizeof fc_host_symbolic_name(shost));
1699
1700         fc_host_supported_speeds(shost) = 0;
1701         if (phba->lmt & LMT_10Gb)
1702                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1703         if (phba->lmt & LMT_4Gb)
1704                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1705         if (phba->lmt & LMT_2Gb)
1706                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1707         if (phba->lmt & LMT_1Gb)
1708                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1709
1710         fc_host_maxframe_size(shost) =
1711                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1712                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1713
1714         /* This value is also unchanging */
1715         memset(fc_host_active_fc4s(shost), 0,
1716                sizeof(fc_host_active_fc4s(shost)));
1717         fc_host_active_fc4s(shost)[2] = 1;
1718         fc_host_active_fc4s(shost)[7] = 1;
1719
1720         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1721         spin_lock_irq(shost->host_lock);
1722         vport->fc_flag &= ~FC_LOADING;
1723         spin_unlock_irq(shost->host_lock);
1724 }
1725
1726 static int __devinit
1727 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1728 {
1729         struct lpfc_vport *vport = NULL;
1730         struct lpfc_hba   *phba;
1731         struct lpfc_sli   *psli;
1732         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1733         struct Scsi_Host  *shost = NULL;
1734         unsigned long bar0map_len, bar2map_len;
1735         int error = -ENODEV;
1736         int i;
1737         uint16_t iotag;
1738
1739         if (pci_enable_device(pdev))
1740                 goto out;
1741         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1742                 goto out_disable_device;
1743
1744         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1745         if (!phba)
1746                 goto out_release_regions;
1747
1748         spin_lock_init(&phba->hbalock);
1749
1750         phba->pcidev = pdev;
1751
1752         /* Assign an unused board number */
1753         if ((phba->brd_no = lpfc_get_instance()) < 0)
1754                 goto out_free_phba;
1755
1756         INIT_LIST_HEAD(&phba->port_list);
1757         INIT_LIST_HEAD(&phba->hbq_buffer_list);
1758         /*
1759          * Get all the module params for configuring this host and then
1760          * establish the host.
1761          */
1762         lpfc_get_cfgparam(phba);
1763         phba->max_vpi = LPFC_MAX_VPI;
1764
1765         /* Initialize timers used by driver */
1766         init_timer(&phba->fc_estabtmo);
1767         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1768         phba->fc_estabtmo.data = (unsigned long)phba;
1769
1770         init_timer(&phba->hb_tmofunc);
1771         phba->hb_tmofunc.function = lpfc_hb_timeout;
1772         phba->hb_tmofunc.data = (unsigned long)phba;
1773
1774         psli = &phba->sli;
1775         init_timer(&psli->mbox_tmo);
1776         psli->mbox_tmo.function = lpfc_mbox_timeout;
1777         psli->mbox_tmo.data = (unsigned long) phba;
1778         init_timer(&phba->fcp_poll_timer);
1779         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1780         phba->fcp_poll_timer.data = (unsigned long) phba;
1781         init_timer(&phba->fabric_block_timer);
1782         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1783         phba->fabric_block_timer.data = (unsigned long) phba;
1784
1785         pci_set_master(pdev);
1786         pci_try_set_mwi(pdev);
1787
1788         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1789                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1790                         goto out_idr_remove;
1791
1792         /*
1793          * Get the bus address of Bar0 and Bar2 and the number of bytes
1794          * required by each mapping.
1795          */
1796         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1797         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1798
1799         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1800         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1801
1802         /* Map HBA SLIM to a kernel virtual address. */
1803         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1804         if (!phba->slim_memmap_p) {
1805                 error = -ENODEV;
1806                 dev_printk(KERN_ERR, &pdev->dev,
1807                            "ioremap failed for SLIM memory.\n");
1808                 goto out_idr_remove;
1809         }
1810
1811         /* Map HBA Control Registers to a kernel virtual address. */
1812         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1813         if (!phba->ctrl_regs_memmap_p) {
1814                 error = -ENODEV;
1815                 dev_printk(KERN_ERR, &pdev->dev,
1816                            "ioremap failed for HBA control registers.\n");
1817                 goto out_iounmap_slim;
1818         }
1819
1820         /* Allocate memory for SLI-2 structures */
1821         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1822                                           &phba->slim2p_mapping, GFP_KERNEL);
1823         if (!phba->slim2p)
1824                 goto out_iounmap;
1825
1826         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1827
1828         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1829                                                  lpfc_sli_hbq_size(),
1830                                                  &phba->hbqslimp.phys,
1831                                                  GFP_KERNEL);
1832         if (!phba->hbqslimp.virt)
1833                 goto out_free_slim;
1834
1835         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1836
1837         /* Initialize the SLI Layer to run with lpfc HBAs. */
1838         lpfc_sli_setup(phba);
1839         lpfc_sli_queue_setup(phba);
1840
1841         error = lpfc_mem_alloc(phba);
1842         if (error)
1843                 goto out_free_hbqslimp;
1844
1845         /* Initialize and populate the iocb list per host.  */
1846         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1847         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1848                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1849                 if (iocbq_entry == NULL) {
1850                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1851                                 "expected %d count. Unloading driver.\n",
1852                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1853                         error = -ENOMEM;
1854                         goto out_free_iocbq;
1855                 }
1856
1857                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1858                 if (iotag == 0) {
1859                         kfree (iocbq_entry);
1860                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1861                                "Unloading driver.\n",
1862                                 __FUNCTION__);
1863                         error = -ENOMEM;
1864                         goto out_free_iocbq;
1865                 }
1866
1867                 spin_lock_irq(&phba->hbalock);
1868                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1869                 phba->total_iocbq_bufs++;
1870                 spin_unlock_irq(&phba->hbalock);
1871         }
1872
1873         /* Initialize HBA structure */
1874         phba->fc_edtov = FF_DEF_EDTOV;
1875         phba->fc_ratov = FF_DEF_RATOV;
1876         phba->fc_altov = FF_DEF_ALTOV;
1877         phba->fc_arbtov = FF_DEF_ARBTOV;
1878
1879         INIT_LIST_HEAD(&phba->work_list);
1880         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1881         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1882
1883         /* Startup the kernel thread for this host adapter. */
1884         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1885                                        "lpfc_worker_%d", phba->brd_no);
1886         if (IS_ERR(phba->worker_thread)) {
1887                 error = PTR_ERR(phba->worker_thread);
1888                 goto out_free_iocbq;
1889         }
1890
1891         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1892         spin_lock_init(&phba->scsi_buf_list_lock);
1893         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1894
1895         /* Initialize list of fabric iocbs */
1896         INIT_LIST_HEAD(&phba->fabric_iocb_list);
1897
1898         vport = lpfc_create_port(phba, phba->brd_no, NULL);
1899         if (!vport)
1900                 goto out_kthread_stop;
1901
1902         shost = lpfc_shost_from_vport(vport);
1903         phba->pport = vport;
1904         lpfc_debugfs_initialize(vport);
1905
1906         pci_set_drvdata(pdev, shost);
1907
1908         if (phba->cfg_use_msi) {
1909                 error = pci_enable_msi(phba->pcidev);
1910                 if (error)
1911                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1912                                         "Enable MSI failed, continuing with "
1913                                         "IRQ\n", phba->brd_no);
1914         }
1915
1916         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1917                             LPFC_DRIVER_NAME, phba);
1918         if (error) {
1919                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1920                         "%d:0451 Enable interrupt handler failed\n",
1921                         phba->brd_no);
1922                 goto out_disable_msi;
1923         }
1924
1925         phba->MBslimaddr = phba->slim_memmap_p;
1926         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1927         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1928         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1929         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1930
1931         if (lpfc_alloc_sysfs_attr(vport))
1932                 goto out_free_irq;
1933
1934         if (lpfc_sli_hba_setup(phba))
1935                 goto out_remove_device;
1936
1937         /*
1938          * hba setup may have changed the hba_queue_depth so we need to adjust
1939          * the value of can_queue.
1940          */
1941         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1942
1943         lpfc_host_attrib_init(shost);
1944
1945         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1946                 spin_lock_irq(shost->host_lock);
1947                 lpfc_poll_start_timer(phba);
1948                 spin_unlock_irq(shost->host_lock);
1949         }
1950
1951         scsi_scan_host(shost);
1952
1953         return 0;
1954
1955 out_remove_device:
1956         lpfc_free_sysfs_attr(vport);
1957         spin_lock_irq(shost->host_lock);
1958         vport->fc_flag |= FC_UNLOADING;
1959         spin_unlock_irq(shost->host_lock);
1960 out_free_irq:
1961         lpfc_stop_phba_timers(phba);
1962         phba->pport->work_port_events = 0;
1963         free_irq(phba->pcidev->irq, phba);
1964 out_disable_msi:
1965         pci_disable_msi(phba->pcidev);
1966         destroy_port(vport);
1967 out_kthread_stop:
1968         kthread_stop(phba->worker_thread);
1969 out_free_iocbq:
1970         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1971                                                 &phba->lpfc_iocb_list, list) {
1972                 kfree(iocbq_entry);
1973                 phba->total_iocbq_bufs--;
1974         }
1975         lpfc_mem_free(phba);
1976 out_free_hbqslimp:
1977         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1978                           phba->hbqslimp.phys);
1979 out_free_slim:
1980         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1981                                                         phba->slim2p_mapping);
1982 out_iounmap:
1983         iounmap(phba->ctrl_regs_memmap_p);
1984 out_iounmap_slim:
1985         iounmap(phba->slim_memmap_p);
1986 out_idr_remove:
1987         idr_remove(&lpfc_hba_index, phba->brd_no);
1988 out_free_phba:
1989         kfree(phba);
1990 out_release_regions:
1991         pci_release_regions(pdev);
1992 out_disable_device:
1993         pci_disable_device(pdev);
1994 out:
1995         pci_set_drvdata(pdev, NULL);
1996         if (shost)
1997                 scsi_host_put(shost);
1998         return error;
1999 }
2000
2001 static void __devexit
2002 lpfc_pci_remove_one(struct pci_dev *pdev)
2003 {
2004         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2005         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2006         struct lpfc_hba   *phba = vport->phba;
2007         struct lpfc_vport *port_iterator;
2008         spin_lock_irq(&phba->hbalock);
2009         list_for_each_entry(port_iterator, &phba->port_list, listentry)
2010                 port_iterator->load_flag |= FC_UNLOADING;
2011         spin_unlock_irq(&phba->hbalock);
2012
2013         kfree(vport->vname);
2014         lpfc_free_sysfs_attr(vport);
2015
2016         fc_remove_host(shost);
2017         scsi_remove_host(shost);
2018
2019         /*
2020          * Bring down the SLI Layer. This step disable all interrupts,
2021          * clears the rings, discards all mailbox commands, and resets
2022          * the HBA.
2023          */
2024         lpfc_sli_hba_down(phba);
2025         lpfc_sli_brdrestart(phba);
2026
2027         lpfc_stop_phba_timers(phba);
2028         spin_lock_irq(&phba->hbalock);
2029         list_del_init(&vport->listentry);
2030         spin_unlock_irq(&phba->hbalock);
2031
2032         lpfc_debugfs_terminate(vport);
2033         lpfc_cleanup(vport);
2034
2035         kthread_stop(phba->worker_thread);
2036
2037         /* Release the irq reservation */
2038         free_irq(phba->pcidev->irq, phba);
2039         pci_disable_msi(phba->pcidev);
2040
2041         pci_set_drvdata(pdev, NULL);
2042         scsi_host_put(shost);
2043
2044         /*
2045          * Call scsi_free before mem_free since scsi bufs are released to their
2046          * corresponding pools here.
2047          */
2048         lpfc_scsi_free(phba);
2049         lpfc_mem_free(phba);
2050
2051         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2052                           phba->hbqslimp.phys);
2053
2054         /* Free resources associated with SLI2 interface */
2055         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2056                           phba->slim2p, phba->slim2p_mapping);
2057
2058         /* unmap adapter SLIM and Control Registers */
2059         iounmap(phba->ctrl_regs_memmap_p);
2060         iounmap(phba->slim_memmap_p);
2061
2062         idr_remove(&lpfc_hba_index, phba->brd_no);
2063
2064         kfree(phba);
2065
2066         pci_release_regions(pdev);
2067         pci_disable_device(pdev);
2068 }
2069
2070 /**
2071  * lpfc_io_error_detected - called when PCI error is detected
2072  * @pdev: Pointer to PCI device
2073  * @state: The current pci conneection state
2074  *
2075  * This function is called after a PCI bus error affecting
2076  * this device has been detected.
2077  */
2078 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2079                                 pci_channel_state_t state)
2080 {
2081         struct Scsi_Host *host = pci_get_drvdata(pdev);
2082         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2083         struct lpfc_sli *psli = &phba->sli;
2084         struct lpfc_sli_ring  *pring;
2085
2086         if (state == pci_channel_io_perm_failure)
2087                 return PCI_ERS_RESULT_DISCONNECT;
2088
2089         pci_disable_device(pdev);
2090         /*
2091          * There may be I/Os dropped by the firmware.
2092          * Error iocb (I/O) on txcmplq and let the SCSI layer
2093          * retry it after re-establishing link.
2094          */
2095         pring = &psli->ring[psli->fcp_ring];
2096         lpfc_sli_abort_iocb_ring(phba, pring);
2097
2098         /* Request a slot reset. */
2099         return PCI_ERS_RESULT_NEED_RESET;
2100 }
2101
2102 /**
2103  * lpfc_io_slot_reset - called after the pci bus has been reset.
2104  * @pdev: Pointer to PCI device
2105  *
2106  * Restart the card from scratch, as if from a cold-boot.
2107  */
2108 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2109 {
2110         struct Scsi_Host *host = pci_get_drvdata(pdev);
2111         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2112         struct lpfc_sli *psli = &phba->sli;
2113         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2114
2115         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2116         if (pci_enable_device_bars(pdev, bars)) {
2117                 printk(KERN_ERR "lpfc: Cannot re-enable "
2118                         "PCI device after reset.\n");
2119                 return PCI_ERS_RESULT_DISCONNECT;
2120         }
2121
2122         pci_set_master(pdev);
2123
2124         /* Re-establishing Link */
2125         spin_lock_irq(host->host_lock);
2126         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2127         spin_unlock_irq(host->host_lock);
2128
2129         spin_lock_irq(&phba->hbalock);
2130         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2131         spin_unlock_irq(&phba->hbalock);
2132
2133
2134         /* Take device offline; this will perform cleanup */
2135         lpfc_offline(phba);
2136         lpfc_sli_brdrestart(phba);
2137
2138         return PCI_ERS_RESULT_RECOVERED;
2139 }
2140
2141 /**
2142  * lpfc_io_resume - called when traffic can start flowing again.
2143  * @pdev: Pointer to PCI device
2144  *
2145  * This callback is called when the error recovery driver tells us that
2146  * its OK to resume normal operation.
2147  */
2148 static void lpfc_io_resume(struct pci_dev *pdev)
2149 {
2150         struct Scsi_Host *host = pci_get_drvdata(pdev);
2151         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
2152
2153         if (lpfc_online(phba) == 0) {
2154                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2155         }
2156 }
2157
2158 static struct pci_device_id lpfc_id_table[] = {
2159         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2160                 PCI_ANY_ID, PCI_ANY_ID, },
2161         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2162                 PCI_ANY_ID, PCI_ANY_ID, },
2163         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2164                 PCI_ANY_ID, PCI_ANY_ID, },
2165         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2166                 PCI_ANY_ID, PCI_ANY_ID, },
2167         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2168                 PCI_ANY_ID, PCI_ANY_ID, },
2169         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2170                 PCI_ANY_ID, PCI_ANY_ID, },
2171         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2172                 PCI_ANY_ID, PCI_ANY_ID, },
2173         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2174                 PCI_ANY_ID, PCI_ANY_ID, },
2175         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2176                 PCI_ANY_ID, PCI_ANY_ID, },
2177         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2178                 PCI_ANY_ID, PCI_ANY_ID, },
2179         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2180                 PCI_ANY_ID, PCI_ANY_ID, },
2181         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2182                 PCI_ANY_ID, PCI_ANY_ID, },
2183         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2184                 PCI_ANY_ID, PCI_ANY_ID, },
2185         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2186                 PCI_ANY_ID, PCI_ANY_ID, },
2187         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2188                 PCI_ANY_ID, PCI_ANY_ID, },
2189         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2190                 PCI_ANY_ID, PCI_ANY_ID, },
2191         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2192                 PCI_ANY_ID, PCI_ANY_ID, },
2193         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2194                 PCI_ANY_ID, PCI_ANY_ID, },
2195         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2196                 PCI_ANY_ID, PCI_ANY_ID, },
2197         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2198                 PCI_ANY_ID, PCI_ANY_ID, },
2199         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2200                 PCI_ANY_ID, PCI_ANY_ID, },
2201         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2202                 PCI_ANY_ID, PCI_ANY_ID, },
2203         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2204                 PCI_ANY_ID, PCI_ANY_ID, },
2205         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2206                 PCI_ANY_ID, PCI_ANY_ID, },
2207         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2208                 PCI_ANY_ID, PCI_ANY_ID, },
2209         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2210                 PCI_ANY_ID, PCI_ANY_ID, },
2211         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2212                 PCI_ANY_ID, PCI_ANY_ID, },
2213         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2214                 PCI_ANY_ID, PCI_ANY_ID, },
2215         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2216                 PCI_ANY_ID, PCI_ANY_ID, },
2217         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2218                 PCI_ANY_ID, PCI_ANY_ID, },
2219         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2220                 PCI_ANY_ID, PCI_ANY_ID, },
2221         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2222                 PCI_ANY_ID, PCI_ANY_ID, },
2223         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2224                 PCI_ANY_ID, PCI_ANY_ID, },
2225         { 0 }
2226 };
2227
2228 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2229
2230 static struct pci_error_handlers lpfc_err_handler = {
2231         .error_detected = lpfc_io_error_detected,
2232         .slot_reset = lpfc_io_slot_reset,
2233         .resume = lpfc_io_resume,
2234 };
2235
2236 static struct pci_driver lpfc_driver = {
2237         .name           = LPFC_DRIVER_NAME,
2238         .id_table       = lpfc_id_table,
2239         .probe          = lpfc_pci_probe_one,
2240         .remove         = __devexit_p(lpfc_pci_remove_one),
2241         .err_handler    = &lpfc_err_handler,
2242 };
2243
2244 static int __init
2245 lpfc_init(void)
2246 {
2247         int error = 0;
2248
2249         printk(LPFC_MODULE_DESC "\n");
2250         printk(LPFC_COPYRIGHT "\n");
2251
2252         lpfc_transport_template =
2253                                 fc_attach_transport(&lpfc_transport_functions);
2254         lpfc_vport_transport_template =
2255                         fc_attach_transport(&lpfc_vport_transport_functions);
2256         if (!lpfc_transport_template || !lpfc_vport_transport_template)
2257                 return -ENOMEM;
2258         error = pci_register_driver(&lpfc_driver);
2259         if (error) {
2260                 fc_release_transport(lpfc_transport_template);
2261                 fc_release_transport(lpfc_vport_transport_template);
2262         }
2263
2264         return error;
2265 }
2266
2267 static void __exit
2268 lpfc_exit(void)
2269 {
2270         pci_unregister_driver(&lpfc_driver);
2271         fc_release_transport(lpfc_transport_template);
2272         fc_release_transport(lpfc_vport_transport_template);
2273 }
2274
2275 module_init(lpfc_init);
2276 module_exit(lpfc_exit);
2277 MODULE_LICENSE("GPL");
2278 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2279 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2280 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);