Merge ../linus
[linux-2.6] / drivers / scsi / lpfc / lpfc_init.c
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
8  *                                                                 *
9  * This program is free software; you can redistribute it and/or   *
10  * modify it under the terms of version 2 of the GNU General       *
11  * Public License as published by the Free Software Foundation.    *
12  * This program is distributed in the hope that it will be useful. *
13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
18  * more details, a copy of which can be found in the file COPYING  *
19  * included with this package.                                     *
20  *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35
36 #include "lpfc_hw.h"
37 #include "lpfc_sli.h"
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
40 #include "lpfc.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
44
45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
48
49 static struct scsi_transport_template *lpfc_transport_template = NULL;
50 static DEFINE_IDR(lpfc_hba_index);
51
52 /************************************************************************/
53 /*                                                                      */
54 /*    lpfc_config_port_prep                                             */
55 /*    This routine will do LPFC initialization prior to the             */
56 /*    CONFIG_PORT mailbox command. This will be initialized             */
57 /*    as a SLI layer callback routine.                                  */
58 /*    This routine returns 0 on success or -ERESTART if it wants        */
59 /*    the SLI layer to reset the HBA and try again. Any                 */
60 /*    other return value indicates an error.                            */
61 /*                                                                      */
62 /************************************************************************/
63 int
64 lpfc_config_port_prep(struct lpfc_hba * phba)
65 {
66         lpfc_vpd_t *vp = &phba->vpd;
67         int i = 0, rc;
68         LPFC_MBOXQ_t *pmb;
69         MAILBOX_t *mb;
70         char *lpfc_vpd_data = NULL;
71         uint16_t offset = 0;
72         static char licensed[56] =
73                     "key unlock for use with gnu public licensed code only\0";
74         static int init_key = 1;
75
76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
77         if (!pmb) {
78                 phba->hba_state = LPFC_HBA_ERROR;
79                 return -ENOMEM;
80         }
81
82         mb = &pmb->mb;
83         phba->hba_state = LPFC_INIT_MBX_CMDS;
84
85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
86                 if (init_key) {
87                         uint32_t *ptext = (uint32_t *) licensed;
88
89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
90                                 *ptext = cpu_to_be32(*ptext);
91                         init_key = 0;
92                 }
93
94                 lpfc_read_nv(phba, pmb);
95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
96                         sizeof (mb->un.varRDnvp.rsvd3));
97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
98                          sizeof (licensed));
99
100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
101
102                 if (rc != MBX_SUCCESS) {
103                         lpfc_printf_log(phba,
104                                         KERN_ERR,
105                                         LOG_MBOX,
106                                         "%d:0324 Config Port initialization "
107                                         "error, mbxCmd x%x READ_NVPARM, "
108                                         "mbxStatus x%x\n",
109                                         phba->brd_no,
110                                         mb->mbxCommand, mb->mbxStatus);
111                         mempool_free(pmb, phba->mbox_mem_pool);
112                         return -ERESTART;
113                 }
114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
115                        sizeof (mb->un.varRDnvp.nodename));
116         }
117
118         /* Setup and issue mailbox READ REV command */
119         lpfc_read_rev(phba, pmb);
120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
121         if (rc != MBX_SUCCESS) {
122                 lpfc_printf_log(phba,
123                                 KERN_ERR,
124                                 LOG_INIT,
125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
126                                 "READ_REV, mbxStatus x%x\n",
127                                 phba->brd_no,
128                                 mb->mbxCommand, mb->mbxStatus);
129                 mempool_free( pmb, phba->mbox_mem_pool);
130                 return -ERESTART;
131         }
132
133         /*
134          * The value of rr must be 1 since the driver set the cv field to 1.
135          * This setting requires the FW to set all revision fields.
136          */
137         if (mb->un.varRdRev.rr == 0) {
138                 vp->rev.rBit = 0;
139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
140                                 "%d:0440 Adapter failed to init, READ_REV has "
141                                 "missing revision information.\n",
142                                 phba->brd_no);
143                 mempool_free(pmb, phba->mbox_mem_pool);
144                 return -ERESTART;
145         }
146
147         /* Save information as VPD data */
148         vp->rev.rBit = 1;
149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
154         vp->rev.smRev = mb->un.varRdRev.smRev;
155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
163
164         if (lpfc_is_LC_HBA(phba->pcidev->device))
165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
166                                                 sizeof (phba->RandomData));
167
168         /* Get adapter VPD information */
169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
170         if (!pmb->context2)
171                 goto out_free_mbox;
172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
173         if (!lpfc_vpd_data)
174                 goto out_free_context2;
175
176         do {
177                 lpfc_dump_mem(phba, pmb, offset);
178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
179
180                 if (rc != MBX_SUCCESS) {
181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
182                                         "%d:0441 VPD not present on adapter, "
183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
184                                         phba->brd_no,
185                                         mb->mbxCommand, mb->mbxStatus);
186                         mb->un.varDmp.word_cnt = 0;
187                 }
188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
191                                                         mb->un.varDmp.word_cnt);
192                 offset += mb->un.varDmp.word_cnt;
193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
195
196         kfree(lpfc_vpd_data);
197 out_free_context2:
198         kfree(pmb->context2);
199 out_free_mbox:
200         mempool_free(pmb, phba->mbox_mem_pool);
201         return 0;
202 }
203
204 /************************************************************************/
205 /*                                                                      */
206 /*    lpfc_config_port_post                                             */
207 /*    This routine will do LPFC initialization after the                */
208 /*    CONFIG_PORT mailbox command. This will be initialized             */
209 /*    as a SLI layer callback routine.                                  */
210 /*    This routine returns 0 on success. Any other return value         */
211 /*    indicates an error.                                               */
212 /*                                                                      */
213 /************************************************************************/
214 int
215 lpfc_config_port_post(struct lpfc_hba * phba)
216 {
217         LPFC_MBOXQ_t *pmb;
218         MAILBOX_t *mb;
219         struct lpfc_dmabuf *mp;
220         struct lpfc_sli *psli = &phba->sli;
221         uint32_t status, timeout;
222         int i, j, rc;
223
224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
225         if (!pmb) {
226                 phba->hba_state = LPFC_HBA_ERROR;
227                 return -ENOMEM;
228         }
229         mb = &pmb->mb;
230
231         lpfc_config_link(phba, pmb);
232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
233         if (rc != MBX_SUCCESS) {
234                 lpfc_printf_log(phba,
235                                 KERN_ERR,
236                                 LOG_INIT,
237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
238                                 "CONFIG_LINK mbxStatus x%x\n",
239                                 phba->brd_no,
240                                 mb->mbxCommand, mb->mbxStatus);
241                 phba->hba_state = LPFC_HBA_ERROR;
242                 mempool_free( pmb, phba->mbox_mem_pool);
243                 return -EIO;
244         }
245
246         /* Get login parameters for NID.  */
247         lpfc_read_sparam(phba, pmb);
248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
249                 lpfc_printf_log(phba,
250                                 KERN_ERR,
251                                 LOG_INIT,
252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
253                                 "READ_SPARM mbxStatus x%x\n",
254                                 phba->brd_no,
255                                 mb->mbxCommand, mb->mbxStatus);
256                 phba->hba_state = LPFC_HBA_ERROR;
257                 mp = (struct lpfc_dmabuf *) pmb->context1;
258                 mempool_free( pmb, phba->mbox_mem_pool);
259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
260                 kfree(mp);
261                 return -EIO;
262         }
263
264         mp = (struct lpfc_dmabuf *) pmb->context1;
265
266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
268         kfree(mp);
269         pmb->context1 = NULL;
270
271         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
272                sizeof (struct lpfc_name));
273         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
274                sizeof (struct lpfc_name));
275         /* If no serial number in VPD data, use low 6 bytes of WWNN */
276         /* This should be consolidated into parse_vpd ? - mr */
277         if (phba->SerialNumber[0] == 0) {
278                 uint8_t *outptr;
279
280                 outptr = &phba->fc_nodename.u.s.IEEE[0];
281                 for (i = 0; i < 12; i++) {
282                         status = *outptr++;
283                         j = ((status & 0xf0) >> 4);
284                         if (j <= 9)
285                                 phba->SerialNumber[i] =
286                                     (char)((uint8_t) 0x30 + (uint8_t) j);
287                         else
288                                 phba->SerialNumber[i] =
289                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
290                         i++;
291                         j = (status & 0xf);
292                         if (j <= 9)
293                                 phba->SerialNumber[i] =
294                                     (char)((uint8_t) 0x30 + (uint8_t) j);
295                         else
296                                 phba->SerialNumber[i] =
297                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
298                 }
299         }
300
301         lpfc_read_config(phba, pmb);
302         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
303                 lpfc_printf_log(phba,
304                                 KERN_ERR,
305                                 LOG_INIT,
306                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
307                                 "READ_CONFIG, mbxStatus x%x\n",
308                                 phba->brd_no,
309                                 mb->mbxCommand, mb->mbxStatus);
310                 phba->hba_state = LPFC_HBA_ERROR;
311                 mempool_free( pmb, phba->mbox_mem_pool);
312                 return -EIO;
313         }
314
315         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
316         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
317                 phba->cfg_hba_queue_depth =
318                         mb->un.varRdConfig.max_xri + 1;
319
320         phba->lmt = mb->un.varRdConfig.lmt;
321
322         /* Get the default values for Model Name and Description */
323         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
324
325         if ((phba->cfg_link_speed > LINK_SPEED_10G)
326             || ((phba->cfg_link_speed == LINK_SPEED_1G)
327                 && !(phba->lmt & LMT_1Gb))
328             || ((phba->cfg_link_speed == LINK_SPEED_2G)
329                 && !(phba->lmt & LMT_2Gb))
330             || ((phba->cfg_link_speed == LINK_SPEED_4G)
331                 && !(phba->lmt & LMT_4Gb))
332             || ((phba->cfg_link_speed == LINK_SPEED_8G)
333                 && !(phba->lmt & LMT_8Gb))
334             || ((phba->cfg_link_speed == LINK_SPEED_10G)
335                 && !(phba->lmt & LMT_10Gb))) {
336                 /* Reset link speed to auto */
337                 lpfc_printf_log(phba,
338                         KERN_WARNING,
339                         LOG_LINK_EVENT,
340                         "%d:1302 Invalid speed for this board: "
341                         "Reset link speed to auto: x%x\n",
342                         phba->brd_no,
343                         phba->cfg_link_speed);
344                         phba->cfg_link_speed = LINK_SPEED_AUTO;
345         }
346
347         phba->hba_state = LPFC_LINK_DOWN;
348
349         /* Only process IOCBs on ring 0 till hba_state is READY */
350         if (psli->ring[psli->ip_ring].cmdringaddr)
351                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
352         if (psli->ring[psli->fcp_ring].cmdringaddr)
353                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
354         if (psli->ring[psli->next_ring].cmdringaddr)
355                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
356
357         /* Post receive buffers for desired rings */
358         lpfc_post_rcv_buf(phba);
359
360         /* Enable appropriate host interrupts */
361         spin_lock_irq(phba->host->host_lock);
362         status = readl(phba->HCregaddr);
363         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
364         if (psli->num_rings > 0)
365                 status |= HC_R0INT_ENA;
366         if (psli->num_rings > 1)
367                 status |= HC_R1INT_ENA;
368         if (psli->num_rings > 2)
369                 status |= HC_R2INT_ENA;
370         if (psli->num_rings > 3)
371                 status |= HC_R3INT_ENA;
372
373         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
374             (phba->cfg_poll & DISABLE_FCP_RING_INT))
375                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
376
377         writel(status, phba->HCregaddr);
378         readl(phba->HCregaddr); /* flush */
379         spin_unlock_irq(phba->host->host_lock);
380
381         /*
382          * Setup the ring 0 (els)  timeout handler
383          */
384         timeout = phba->fc_ratov << 1;
385         phba->els_tmofunc.expires = jiffies + HZ * timeout;
386         add_timer(&phba->els_tmofunc);
387
388         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
389         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
390         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
391                 lpfc_printf_log(phba,
392                                 KERN_ERR,
393                                 LOG_INIT,
394                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
395                                 "INIT_LINK, mbxStatus x%x\n",
396                                 phba->brd_no,
397                                 mb->mbxCommand, mb->mbxStatus);
398
399                 /* Clear all interrupt enable conditions */
400                 writel(0, phba->HCregaddr);
401                 readl(phba->HCregaddr); /* flush */
402                 /* Clear all pending interrupts */
403                 writel(0xffffffff, phba->HAregaddr);
404                 readl(phba->HAregaddr); /* flush */
405
406                 phba->hba_state = LPFC_HBA_ERROR;
407                 mempool_free(pmb, phba->mbox_mem_pool);
408                 return -EIO;
409         }
410         /* MBOX buffer will be freed in mbox compl */
411
412         return (0);
413 }
414
415 static int
416 lpfc_discovery_wait(struct lpfc_hba *phba)
417 {
418         int i = 0;
419
420         while ((phba->hba_state != LPFC_HBA_READY) ||
421                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
422                ((phba->fc_map_cnt == 0) && (i<2)) ||
423                (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
424                 /* Check every second for 30 retries. */
425                 i++;
426                 if (i > 30) {
427                         return -ETIMEDOUT;
428                 }
429                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
430                         /* The link is down.  Set linkdown timeout */
431                         return -ETIMEDOUT;
432                 }
433
434                 /* Delay for 1 second to give discovery time to complete. */
435                 msleep(1000);
436
437         }
438
439         return 0;
440 }
441
442 /************************************************************************/
443 /*                                                                      */
444 /*    lpfc_hba_down_prep                                                */
445 /*    This routine will do LPFC uninitialization before the             */
446 /*    HBA is reset when bringing down the SLI Layer. This will be       */
447 /*    initialized as a SLI layer callback routine.                      */
448 /*    This routine returns 0 on success. Any other return value         */
449 /*    indicates an error.                                               */
450 /*                                                                      */
451 /************************************************************************/
452 int
453 lpfc_hba_down_prep(struct lpfc_hba * phba)
454 {
455         /* Disable interrupts */
456         writel(0, phba->HCregaddr);
457         readl(phba->HCregaddr); /* flush */
458
459         /* Cleanup potential discovery resources */
460         lpfc_els_flush_rscn(phba);
461         lpfc_els_flush_cmd(phba);
462         lpfc_disc_flush_list(phba);
463
464         return (0);
465 }
466
467 /************************************************************************/
468 /*                                                                      */
469 /*    lpfc_hba_down_post                                                */
470 /*    This routine will do uninitialization after the HBA is reset      */
471 /*    when bringing down the SLI Layer.                                 */
472 /*    This routine returns 0 on success. Any other return value         */
473 /*    indicates an error.                                               */
474 /*                                                                      */
475 /************************************************************************/
476 int
477 lpfc_hba_down_post(struct lpfc_hba * phba)
478 {
479         struct lpfc_sli *psli = &phba->sli;
480         struct lpfc_sli_ring *pring;
481         struct lpfc_dmabuf *mp, *next_mp;
482         int i;
483
484         /* Cleanup preposted buffers on the ELS ring */
485         pring = &psli->ring[LPFC_ELS_RING];
486         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
487                 list_del(&mp->list);
488                 pring->postbufq_cnt--;
489                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
490                 kfree(mp);
491         }
492
493         for (i = 0; i < psli->num_rings; i++) {
494                 pring = &psli->ring[i];
495                 lpfc_sli_abort_iocb_ring(phba, pring);
496         }
497
498         return 0;
499 }
500
501 /************************************************************************/
502 /*                                                                      */
503 /*    lpfc_handle_eratt                                                 */
504 /*    This routine will handle processing a Host Attention              */
505 /*    Error Status event. This will be initialized                      */
506 /*    as a SLI layer callback routine.                                  */
507 /*                                                                      */
508 /************************************************************************/
509 void
510 lpfc_handle_eratt(struct lpfc_hba * phba)
511 {
512         struct lpfc_sli *psli = &phba->sli;
513         struct lpfc_sli_ring  *pring;
514
515         if (phba->work_hs & HS_FFER6) {
516                 /* Re-establishing Link */
517                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
518                                 "%d:1301 Re-establishing Link "
519                                 "Data: x%x x%x x%x\n",
520                                 phba->brd_no, phba->work_hs,
521                                 phba->work_status[0], phba->work_status[1]);
522                 spin_lock_irq(phba->host->host_lock);
523                 phba->fc_flag |= FC_ESTABLISH_LINK;
524                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
525                 spin_unlock_irq(phba->host->host_lock);
526
527                 /*
528                 * Firmware stops when it triggled erratt with HS_FFER6.
529                 * That could cause the I/Os dropped by the firmware.
530                 * Error iocb (I/O) on txcmplq and let the SCSI layer
531                 * retry it after re-establishing link.
532                 */
533                 pring = &psli->ring[psli->fcp_ring];
534                 lpfc_sli_abort_iocb_ring(phba, pring);
535
536
537                 /*
538                  * There was a firmware error.  Take the hba offline and then
539                  * attempt to restart it.
540                  */
541                 lpfc_offline(phba);
542                 lpfc_sli_brdrestart(phba);
543                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
544                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
545                         return;
546                 }
547         } else {
548                 /* The if clause above forces this code path when the status
549                  * failure is a value other than FFER6.  Do not call the offline
550                  *  twice. This is the adapter hardware error path.
551                  */
552                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
553                                 "%d:0457 Adapter Hardware Error "
554                                 "Data: x%x x%x x%x\n",
555                                 phba->brd_no, phba->work_hs,
556                                 phba->work_status[0], phba->work_status[1]);
557
558                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
559                 lpfc_offline(phba);
560                 phba->hba_state = LPFC_HBA_ERROR;
561                 lpfc_hba_down_post(phba);
562         }
563 }
564
565 /************************************************************************/
566 /*                                                                      */
567 /*    lpfc_handle_latt                                                  */
568 /*    This routine will handle processing a Host Attention              */
569 /*    Link Status event. This will be initialized                       */
570 /*    as a SLI layer callback routine.                                  */
571 /*                                                                      */
572 /************************************************************************/
573 void
574 lpfc_handle_latt(struct lpfc_hba * phba)
575 {
576         struct lpfc_sli *psli = &phba->sli;
577         LPFC_MBOXQ_t *pmb;
578         volatile uint32_t control;
579         struct lpfc_dmabuf *mp;
580         int rc = -ENOMEM;
581
582         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
583         if (!pmb)
584                 goto lpfc_handle_latt_err_exit;
585
586         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
587         if (!mp)
588                 goto lpfc_handle_latt_free_pmb;
589
590         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
591         if (!mp->virt)
592                 goto lpfc_handle_latt_free_mp;
593
594         rc = -EIO;
595
596         /* Cleanup any outstanding ELS commands */
597         lpfc_els_flush_cmd(phba);
598
599         psli->slistat.link_event++;
600         lpfc_read_la(phba, pmb, mp);
601         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
602         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
603         if (rc == MBX_NOT_FINISHED)
604                 goto lpfc_handle_latt_free_mp;
605
606         /* Clear Link Attention in HA REG */
607         spin_lock_irq(phba->host->host_lock);
608         writel(HA_LATT, phba->HAregaddr);
609         readl(phba->HAregaddr); /* flush */
610         spin_unlock_irq(phba->host->host_lock);
611
612         return;
613
614 lpfc_handle_latt_free_mp:
615         kfree(mp);
616 lpfc_handle_latt_free_pmb:
617         kfree(pmb);
618 lpfc_handle_latt_err_exit:
619         /* Enable Link attention interrupts */
620         spin_lock_irq(phba->host->host_lock);
621         psli->sli_flag |= LPFC_PROCESS_LA;
622         control = readl(phba->HCregaddr);
623         control |= HC_LAINT_ENA;
624         writel(control, phba->HCregaddr);
625         readl(phba->HCregaddr); /* flush */
626
627         /* Clear Link Attention in HA REG */
628         writel(HA_LATT, phba->HAregaddr);
629         readl(phba->HAregaddr); /* flush */
630         spin_unlock_irq(phba->host->host_lock);
631         lpfc_linkdown(phba);
632         phba->hba_state = LPFC_HBA_ERROR;
633
634         /* The other case is an error from issue_mbox */
635         if (rc == -ENOMEM)
636                 lpfc_printf_log(phba,
637                                 KERN_WARNING,
638                                 LOG_MBOX,
639                                 "%d:0300 READ_LA: no buffers\n",
640                                 phba->brd_no);
641
642         return;
643 }
644
645 /************************************************************************/
646 /*                                                                      */
647 /*   lpfc_parse_vpd                                                     */
648 /*   This routine will parse the VPD data                               */
649 /*                                                                      */
650 /************************************************************************/
651 static int
652 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
653 {
654         uint8_t lenlo, lenhi;
655         uint32_t Length;
656         int i, j;
657         int finished = 0;
658         int index = 0;
659
660         if (!vpd)
661                 return 0;
662
663         /* Vital Product */
664         lpfc_printf_log(phba,
665                         KERN_INFO,
666                         LOG_INIT,
667                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
668                         phba->brd_no,
669                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
670                         (uint32_t) vpd[3]);
671         while (!finished && (index < (len - 4))) {
672                 switch (vpd[index]) {
673                 case 0x82:
674                 case 0x91:
675                         index += 1;
676                         lenlo = vpd[index];
677                         index += 1;
678                         lenhi = vpd[index];
679                         index += 1;
680                         i = ((((unsigned short)lenhi) << 8) + lenlo);
681                         index += i;
682                         break;
683                 case 0x90:
684                         index += 1;
685                         lenlo = vpd[index];
686                         index += 1;
687                         lenhi = vpd[index];
688                         index += 1;
689                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
690                         if (Length > len - index)
691                                 Length = len - index;
692                         while (Length > 0) {
693                         /* Look for Serial Number */
694                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
695                                 index += 2;
696                                 i = vpd[index];
697                                 index += 1;
698                                 j = 0;
699                                 Length -= (3+i);
700                                 while(i--) {
701                                         phba->SerialNumber[j++] = vpd[index++];
702                                         if (j == 31)
703                                                 break;
704                                 }
705                                 phba->SerialNumber[j] = 0;
706                                 continue;
707                         }
708                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
709                                 phba->vpd_flag |= VPD_MODEL_DESC;
710                                 index += 2;
711                                 i = vpd[index];
712                                 index += 1;
713                                 j = 0;
714                                 Length -= (3+i);
715                                 while(i--) {
716                                         phba->ModelDesc[j++] = vpd[index++];
717                                         if (j == 255)
718                                                 break;
719                                 }
720                                 phba->ModelDesc[j] = 0;
721                                 continue;
722                         }
723                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
724                                 phba->vpd_flag |= VPD_MODEL_NAME;
725                                 index += 2;
726                                 i = vpd[index];
727                                 index += 1;
728                                 j = 0;
729                                 Length -= (3+i);
730                                 while(i--) {
731                                         phba->ModelName[j++] = vpd[index++];
732                                         if (j == 79)
733                                                 break;
734                                 }
735                                 phba->ModelName[j] = 0;
736                                 continue;
737                         }
738                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
739                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
740                                 index += 2;
741                                 i = vpd[index];
742                                 index += 1;
743                                 j = 0;
744                                 Length -= (3+i);
745                                 while(i--) {
746                                         phba->ProgramType[j++] = vpd[index++];
747                                         if (j == 255)
748                                                 break;
749                                 }
750                                 phba->ProgramType[j] = 0;
751                                 continue;
752                         }
753                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
754                                 phba->vpd_flag |= VPD_PORT;
755                                 index += 2;
756                                 i = vpd[index];
757                                 index += 1;
758                                 j = 0;
759                                 Length -= (3+i);
760                                 while(i--) {
761                                 phba->Port[j++] = vpd[index++];
762                                 if (j == 19)
763                                         break;
764                                 }
765                                 phba->Port[j] = 0;
766                                 continue;
767                         }
768                         else {
769                                 index += 2;
770                                 i = vpd[index];
771                                 index += 1;
772                                 index += i;
773                                 Length -= (3 + i);
774                         }
775                 }
776                 finished = 0;
777                 break;
778                 case 0x78:
779                         finished = 1;
780                         break;
781                 default:
782                         index ++;
783                         break;
784                 }
785         }
786
787         return(1);
788 }
789
790 static void
791 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
792 {
793         lpfc_vpd_t *vp;
794         uint16_t dev_id = phba->pcidev->device;
795         uint16_t dev_subid = phba->pcidev->subsystem_device;
796         uint8_t hdrtype;
797         int max_speed;
798         char * ports;
799         struct {
800                 char * name;
801                 int    max_speed;
802                 char * ports;
803                 char * bus;
804         } m = {"<Unknown>", 0, "", ""};
805
806         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
807         ports = (hdrtype == 0x80) ? "2-port " : "";
808         if (mdp && mdp[0] != '\0'
809                 && descp && descp[0] != '\0')
810                 return;
811
812         if (phba->lmt & LMT_10Gb)
813                 max_speed = 10;
814         else if (phba->lmt & LMT_8Gb)
815                 max_speed = 8;
816         else if (phba->lmt & LMT_4Gb)
817                 max_speed = 4;
818         else if (phba->lmt & LMT_2Gb)
819                 max_speed = 2;
820         else
821                 max_speed = 1;
822
823         vp = &phba->vpd;
824
825         switch (dev_id) {
826         case PCI_DEVICE_ID_FIREFLY:
827                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
828                 break;
829         case PCI_DEVICE_ID_SUPERFLY:
830                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
831                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
832                 else
833                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
834                 break;
835         case PCI_DEVICE_ID_DRAGONFLY:
836                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
837                 break;
838         case PCI_DEVICE_ID_CENTAUR:
839                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
840                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
841                 else
842                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
843                 break;
844         case PCI_DEVICE_ID_RFLY:
845                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
846                 break;
847         case PCI_DEVICE_ID_PEGASUS:
848                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
849                 break;
850         case PCI_DEVICE_ID_THOR:
851                 if (hdrtype == 0x80)
852                         m = (typeof(m)){"LP10000DC",
853                                         max_speed, ports, "PCI-X"};
854                 else
855                         m = (typeof(m)){"LP10000",
856                                         max_speed, ports, "PCI-X"};
857                 break;
858         case PCI_DEVICE_ID_VIPER:
859                 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
860                 break;
861         case PCI_DEVICE_ID_PFLY:
862                 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
863                 break;
864         case PCI_DEVICE_ID_TFLY:
865                 if (hdrtype == 0x80)
866                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
867                 else
868                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
869                 break;
870         case PCI_DEVICE_ID_HELIOS:
871                 if (hdrtype == 0x80)
872                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
873                 else
874                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
875                 break;
876         case PCI_DEVICE_ID_HELIOS_SCSP:
877                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
878                 break;
879         case PCI_DEVICE_ID_HELIOS_DCSP:
880                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
881                 break;
882         case PCI_DEVICE_ID_NEPTUNE:
883                 if (hdrtype == 0x80)
884                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
885                 else
886                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
887                 break;
888         case PCI_DEVICE_ID_NEPTUNE_SCSP:
889                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
890                 break;
891         case PCI_DEVICE_ID_NEPTUNE_DCSP:
892                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
893                 break;
894         case PCI_DEVICE_ID_BMID:
895                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
896                 break;
897         case PCI_DEVICE_ID_BSMB:
898                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
899                 break;
900         case PCI_DEVICE_ID_ZEPHYR:
901                 if (hdrtype == 0x80)
902                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
903                 else
904                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
905                 break;
906         case PCI_DEVICE_ID_ZEPHYR_SCSP:
907                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
908                 break;
909         case PCI_DEVICE_ID_ZEPHYR_DCSP:
910                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
911                 break;
912         case PCI_DEVICE_ID_ZMID:
913                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
914                 break;
915         case PCI_DEVICE_ID_ZSMB:
916                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
917                 break;
918         case PCI_DEVICE_ID_LP101:
919                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
920                 break;
921         case PCI_DEVICE_ID_LP10000S:
922                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
923                 break;
924         case PCI_DEVICE_ID_LP11000S:
925         case PCI_DEVICE_ID_LPE11000S:
926                 switch (dev_subid) {
927                 case PCI_SUBSYSTEM_ID_LP11000S:
928                         m = (typeof(m)){"LP11000-S", max_speed,
929                                         ports, "PCI-X2"};
930                         break;
931                 case PCI_SUBSYSTEM_ID_LP11002S:
932                         m = (typeof(m)){"LP11002-S", max_speed,
933                                         ports, "PCI-X2"};
934                         break;
935                 case PCI_SUBSYSTEM_ID_LPE11000S:
936                         m = (typeof(m)){"LPe11000-S", max_speed,
937                                         ports, "PCIe"};
938                         break;
939                 case PCI_SUBSYSTEM_ID_LPE11002S:
940                         m = (typeof(m)){"LPe11002-S", max_speed,
941                                         ports, "PCIe"};
942                         break;
943                 case PCI_SUBSYSTEM_ID_LPE11010S:
944                         m = (typeof(m)){"LPe11010-S", max_speed,
945                                         "10-port ", "PCIe"};
946                         break;
947                 default:
948                         m = (typeof(m)){ NULL };
949                         break;
950                 }
951                 break;
952         default:
953                 m = (typeof(m)){ NULL };
954                 break;
955         }
956
957         if (mdp && mdp[0] == '\0')
958                 snprintf(mdp, 79,"%s", m.name);
959         if (descp && descp[0] == '\0')
960                 snprintf(descp, 255,
961                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
962                          m.name, m.max_speed, m.ports, m.bus);
963 }
964
965 /**************************************************/
966 /*   lpfc_post_buffer                             */
967 /*                                                */
968 /*   This routine will post count buffers to the  */
969 /*   ring with the QUE_RING_BUF_CN command. This  */
970 /*   allows 3 buffers / command to be posted.     */
971 /*   Returns the number of buffers NOT posted.    */
972 /**************************************************/
973 int
974 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
975                  int type)
976 {
977         IOCB_t *icmd;
978         struct lpfc_iocbq *iocb;
979         struct lpfc_dmabuf *mp1, *mp2;
980
981         cnt += pring->missbufcnt;
982
983         /* While there are buffers to post */
984         while (cnt > 0) {
985                 /* Allocate buffer for  command iocb */
986                 spin_lock_irq(phba->host->host_lock);
987                 iocb = lpfc_sli_get_iocbq(phba);
988                 spin_unlock_irq(phba->host->host_lock);
989                 if (iocb == NULL) {
990                         pring->missbufcnt = cnt;
991                         return cnt;
992                 }
993                 icmd = &iocb->iocb;
994
995                 /* 2 buffers can be posted per command */
996                 /* Allocate buffer to post */
997                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
998                 if (mp1)
999                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1000                                                 &mp1->phys);
1001                 if (mp1 == 0 || mp1->virt == 0) {
1002                         kfree(mp1);
1003                         spin_lock_irq(phba->host->host_lock);
1004                         lpfc_sli_release_iocbq(phba, iocb);
1005                         spin_unlock_irq(phba->host->host_lock);
1006                         pring->missbufcnt = cnt;
1007                         return cnt;
1008                 }
1009
1010                 INIT_LIST_HEAD(&mp1->list);
1011                 /* Allocate buffer to post */
1012                 if (cnt > 1) {
1013                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1014                         if (mp2)
1015                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1016                                                             &mp2->phys);
1017                         if (mp2 == 0 || mp2->virt == 0) {
1018                                 kfree(mp2);
1019                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1020                                 kfree(mp1);
1021                                 spin_lock_irq(phba->host->host_lock);
1022                                 lpfc_sli_release_iocbq(phba, iocb);
1023                                 spin_unlock_irq(phba->host->host_lock);
1024                                 pring->missbufcnt = cnt;
1025                                 return cnt;
1026                         }
1027
1028                         INIT_LIST_HEAD(&mp2->list);
1029                 } else {
1030                         mp2 = NULL;
1031                 }
1032
1033                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1034                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1035                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1036                 icmd->ulpBdeCount = 1;
1037                 cnt--;
1038                 if (mp2) {
1039                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1040                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1041                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1042                         cnt--;
1043                         icmd->ulpBdeCount = 2;
1044                 }
1045
1046                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1047                 icmd->ulpLe = 1;
1048
1049                 spin_lock_irq(phba->host->host_lock);
1050                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1051                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1052                         kfree(mp1);
1053                         cnt++;
1054                         if (mp2) {
1055                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1056                                 kfree(mp2);
1057                                 cnt++;
1058                         }
1059                         lpfc_sli_release_iocbq(phba, iocb);
1060                         pring->missbufcnt = cnt;
1061                         spin_unlock_irq(phba->host->host_lock);
1062                         return cnt;
1063                 }
1064                 spin_unlock_irq(phba->host->host_lock);
1065                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1066                 if (mp2) {
1067                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1068                 }
1069         }
1070         pring->missbufcnt = 0;
1071         return 0;
1072 }
1073
1074 /************************************************************************/
1075 /*                                                                      */
1076 /*   lpfc_post_rcv_buf                                                  */
1077 /*   This routine post initial rcv buffers to the configured rings      */
1078 /*                                                                      */
1079 /************************************************************************/
1080 static int
1081 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1082 {
1083         struct lpfc_sli *psli = &phba->sli;
1084
1085         /* Ring 0, ELS / CT buffers */
1086         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1087         /* Ring 2 - FCP no buffers needed */
1088
1089         return 0;
1090 }
1091
1092 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1093
1094 /************************************************************************/
1095 /*                                                                      */
1096 /*   lpfc_sha_init                                                      */
1097 /*                                                                      */
1098 /************************************************************************/
1099 static void
1100 lpfc_sha_init(uint32_t * HashResultPointer)
1101 {
1102         HashResultPointer[0] = 0x67452301;
1103         HashResultPointer[1] = 0xEFCDAB89;
1104         HashResultPointer[2] = 0x98BADCFE;
1105         HashResultPointer[3] = 0x10325476;
1106         HashResultPointer[4] = 0xC3D2E1F0;
1107 }
1108
1109 /************************************************************************/
1110 /*                                                                      */
1111 /*   lpfc_sha_iterate                                                   */
1112 /*                                                                      */
1113 /************************************************************************/
1114 static void
1115 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1116 {
1117         int t;
1118         uint32_t TEMP;
1119         uint32_t A, B, C, D, E;
1120         t = 16;
1121         do {
1122                 HashWorkingPointer[t] =
1123                     S(1,
1124                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1125                                                                      8] ^
1126                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1127         } while (++t <= 79);
1128         t = 0;
1129         A = HashResultPointer[0];
1130         B = HashResultPointer[1];
1131         C = HashResultPointer[2];
1132         D = HashResultPointer[3];
1133         E = HashResultPointer[4];
1134
1135         do {
1136                 if (t < 20) {
1137                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1138                 } else if (t < 40) {
1139                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1140                 } else if (t < 60) {
1141                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1142                 } else {
1143                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1144                 }
1145                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1146                 E = D;
1147                 D = C;
1148                 C = S(30, B);
1149                 B = A;
1150                 A = TEMP;
1151         } while (++t <= 79);
1152
1153         HashResultPointer[0] += A;
1154         HashResultPointer[1] += B;
1155         HashResultPointer[2] += C;
1156         HashResultPointer[3] += D;
1157         HashResultPointer[4] += E;
1158
1159 }
1160
1161 /************************************************************************/
1162 /*                                                                      */
1163 /*   lpfc_challenge_key                                                 */
1164 /*                                                                      */
1165 /************************************************************************/
1166 static void
1167 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1168 {
1169         *HashWorking = (*RandomChallenge ^ *HashWorking);
1170 }
1171
1172 /************************************************************************/
1173 /*                                                                      */
1174 /*   lpfc_hba_init                                                      */
1175 /*                                                                      */
1176 /************************************************************************/
1177 void
1178 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1179 {
1180         int t;
1181         uint32_t *HashWorking;
1182         uint32_t *pwwnn = phba->wwnn;
1183
1184         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1185         if (!HashWorking)
1186                 return;
1187
1188         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1189         HashWorking[0] = HashWorking[78] = *pwwnn++;
1190         HashWorking[1] = HashWorking[79] = *pwwnn;
1191
1192         for (t = 0; t < 7; t++)
1193                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1194
1195         lpfc_sha_init(hbainit);
1196         lpfc_sha_iterate(hbainit, HashWorking);
1197         kfree(HashWorking);
1198 }
1199
1200 static void
1201 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1202 {
1203         struct lpfc_nodelist *ndlp, *next_ndlp;
1204
1205         /* clean up phba - lpfc specific */
1206         lpfc_can_disctmo(phba);
1207         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1208                                 nlp_listp) {
1209                 lpfc_nlp_remove(phba, ndlp);
1210         }
1211
1212         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1213                                  nlp_listp) {
1214                 lpfc_nlp_remove(phba, ndlp);
1215         }
1216
1217         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1218                                 nlp_listp) {
1219                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1220         }
1221
1222         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1223                                 nlp_listp) {
1224                 lpfc_nlp_remove(phba, ndlp);
1225         }
1226
1227         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1228                                 nlp_listp) {
1229                 lpfc_nlp_remove(phba, ndlp);
1230         }
1231
1232         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1233                                 nlp_listp) {
1234                 lpfc_nlp_remove(phba, ndlp);
1235         }
1236
1237         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1238                                 nlp_listp) {
1239                 lpfc_nlp_remove(phba, ndlp);
1240         }
1241
1242         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1243                                 nlp_listp) {
1244                 lpfc_nlp_remove(phba, ndlp);
1245         }
1246
1247         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1248         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1249         INIT_LIST_HEAD(&phba->fc_unused_list);
1250         INIT_LIST_HEAD(&phba->fc_plogi_list);
1251         INIT_LIST_HEAD(&phba->fc_adisc_list);
1252         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1253         INIT_LIST_HEAD(&phba->fc_prli_list);
1254         INIT_LIST_HEAD(&phba->fc_npr_list);
1255
1256         phba->fc_map_cnt   = 0;
1257         phba->fc_unmap_cnt = 0;
1258         phba->fc_plogi_cnt = 0;
1259         phba->fc_adisc_cnt = 0;
1260         phba->fc_reglogin_cnt = 0;
1261         phba->fc_prli_cnt  = 0;
1262         phba->fc_npr_cnt   = 0;
1263         phba->fc_unused_cnt= 0;
1264         return;
1265 }
1266
1267 static void
1268 lpfc_establish_link_tmo(unsigned long ptr)
1269 {
1270         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1271         unsigned long iflag;
1272
1273
1274         /* Re-establishing Link, timer expired */
1275         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1276                         "%d:1300 Re-establishing Link, timer expired "
1277                         "Data: x%x x%x\n",
1278                         phba->brd_no, phba->fc_flag, phba->hba_state);
1279         spin_lock_irqsave(phba->host->host_lock, iflag);
1280         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1281         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1282 }
1283
1284 static int
1285 lpfc_stop_timer(struct lpfc_hba * phba)
1286 {
1287         struct lpfc_sli *psli = &phba->sli;
1288
1289         /* Instead of a timer, this has been converted to a
1290          * deferred procedding list.
1291          */
1292         while (!list_empty(&phba->freebufList)) {
1293
1294                 struct lpfc_dmabuf *mp = NULL;
1295
1296                 list_remove_head((&phba->freebufList), mp,
1297                                  struct lpfc_dmabuf, list);
1298                 if (mp) {
1299                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1300                         kfree(mp);
1301                 }
1302         }
1303
1304         del_timer_sync(&phba->fcp_poll_timer);
1305         del_timer_sync(&phba->fc_estabtmo);
1306         del_timer_sync(&phba->fc_disctmo);
1307         del_timer_sync(&phba->fc_fdmitmo);
1308         del_timer_sync(&phba->els_tmofunc);
1309         psli = &phba->sli;
1310         del_timer_sync(&psli->mbox_tmo);
1311         return(1);
1312 }
1313
1314 int
1315 lpfc_online(struct lpfc_hba * phba)
1316 {
1317         if (!phba)
1318                 return 0;
1319
1320         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1321                 return 0;
1322
1323         lpfc_printf_log(phba,
1324                        KERN_WARNING,
1325                        LOG_INIT,
1326                        "%d:0458 Bring Adapter online\n",
1327                        phba->brd_no);
1328
1329         if (!lpfc_sli_queue_setup(phba))
1330                 return 1;
1331
1332         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1333                 return 1;
1334
1335         spin_lock_irq(phba->host->host_lock);
1336         phba->fc_flag &= ~FC_OFFLINE_MODE;
1337         spin_unlock_irq(phba->host->host_lock);
1338
1339         return 0;
1340 }
1341
1342 int
1343 lpfc_offline(struct lpfc_hba * phba)
1344 {
1345         struct lpfc_sli_ring *pring;
1346         struct lpfc_sli *psli;
1347         unsigned long iflag;
1348         int i;
1349         int cnt = 0;
1350
1351         if (!phba)
1352                 return 0;
1353
1354         if (phba->fc_flag & FC_OFFLINE_MODE)
1355                 return 0;
1356
1357         psli = &phba->sli;
1358
1359         lpfc_linkdown(phba);
1360         lpfc_sli_flush_mbox_queue(phba);
1361
1362         for (i = 0; i < psli->num_rings; i++) {
1363                 pring = &psli->ring[i];
1364                 /* The linkdown event takes 30 seconds to timeout. */
1365                 while (pring->txcmplq_cnt) {
1366                         mdelay(10);
1367                         if (cnt++ > 3000) {
1368                                 lpfc_printf_log(phba,
1369                                         KERN_WARNING, LOG_INIT,
1370                                         "%d:0466 Outstanding IO when "
1371                                         "bringing Adapter offline\n",
1372                                         phba->brd_no);
1373                                 break;
1374                         }
1375                 }
1376         }
1377
1378
1379         /* stop all timers associated with this hba */
1380         lpfc_stop_timer(phba);
1381         phba->work_hba_events = 0;
1382         phba->work_ha = 0;
1383
1384         lpfc_printf_log(phba,
1385                        KERN_WARNING,
1386                        LOG_INIT,
1387                        "%d:0460 Bring Adapter offline\n",
1388                        phba->brd_no);
1389
1390         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1391            now.  */
1392         lpfc_sli_hba_down(phba);
1393         lpfc_cleanup(phba, 1);
1394         spin_lock_irqsave(phba->host->host_lock, iflag);
1395         phba->fc_flag |= FC_OFFLINE_MODE;
1396         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1397         return 0;
1398 }
1399
1400 /******************************************************************************
1401 * Function name: lpfc_scsi_free
1402 *
1403 * Description: Called from lpfc_pci_remove_one free internal driver resources
1404 *
1405 ******************************************************************************/
1406 static int
1407 lpfc_scsi_free(struct lpfc_hba * phba)
1408 {
1409         struct lpfc_scsi_buf *sb, *sb_next;
1410         struct lpfc_iocbq *io, *io_next;
1411
1412         spin_lock_irq(phba->host->host_lock);
1413         /* Release all the lpfc_scsi_bufs maintained by this host. */
1414         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1415                 list_del(&sb->list);
1416                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1417                                                                 sb->dma_handle);
1418                 kfree(sb);
1419                 phba->total_scsi_bufs--;
1420         }
1421
1422         /* Release all the lpfc_iocbq entries maintained by this host. */
1423         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1424                 list_del(&io->list);
1425                 kfree(io);
1426                 phba->total_iocbq_bufs--;
1427         }
1428
1429         spin_unlock_irq(phba->host->host_lock);
1430
1431         return 0;
1432 }
1433
1434
1435 static int __devinit
1436 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1437 {
1438         struct Scsi_Host *host;
1439         struct lpfc_hba  *phba;
1440         struct lpfc_sli  *psli;
1441         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1442         unsigned long bar0map_len, bar2map_len;
1443         int error = -ENODEV, retval;
1444         int i;
1445         uint16_t iotag;
1446
1447         if (pci_enable_device(pdev))
1448                 goto out;
1449         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1450                 goto out_disable_device;
1451
1452         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1453         if (!host)
1454                 goto out_release_regions;
1455
1456         phba = (struct lpfc_hba*)host->hostdata;
1457         memset(phba, 0, sizeof (struct lpfc_hba));
1458         phba->host = host;
1459
1460         phba->fc_flag |= FC_LOADING;
1461         phba->pcidev = pdev;
1462
1463         /* Assign an unused board number */
1464         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1465                 goto out_put_host;
1466
1467         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1468         if (error)
1469                 goto out_put_host;
1470
1471         host->unique_id = phba->brd_no;
1472         INIT_LIST_HEAD(&phba->ctrspbuflist);
1473         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1474         INIT_LIST_HEAD(&phba->freebufList);
1475
1476         /* Initialize timers used by driver */
1477         init_timer(&phba->fc_estabtmo);
1478         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1479         phba->fc_estabtmo.data = (unsigned long)phba;
1480         init_timer(&phba->fc_disctmo);
1481         phba->fc_disctmo.function = lpfc_disc_timeout;
1482         phba->fc_disctmo.data = (unsigned long)phba;
1483
1484         init_timer(&phba->fc_fdmitmo);
1485         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1486         phba->fc_fdmitmo.data = (unsigned long)phba;
1487         init_timer(&phba->els_tmofunc);
1488         phba->els_tmofunc.function = lpfc_els_timeout;
1489         phba->els_tmofunc.data = (unsigned long)phba;
1490         psli = &phba->sli;
1491         init_timer(&psli->mbox_tmo);
1492         psli->mbox_tmo.function = lpfc_mbox_timeout;
1493         psli->mbox_tmo.data = (unsigned long)phba;
1494
1495         init_timer(&phba->fcp_poll_timer);
1496         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1497         phba->fcp_poll_timer.data = (unsigned long)phba;
1498
1499         /*
1500          * Get all the module params for configuring this host and then
1501          * establish the host parameters.
1502          */
1503         lpfc_get_cfgparam(phba);
1504
1505         host->max_id = LPFC_MAX_TARGET;
1506         host->max_lun = phba->cfg_max_luns;
1507         host->this_id = -1;
1508
1509         /* Initialize all internally managed lists. */
1510         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1511         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1512         INIT_LIST_HEAD(&phba->fc_unused_list);
1513         INIT_LIST_HEAD(&phba->fc_plogi_list);
1514         INIT_LIST_HEAD(&phba->fc_adisc_list);
1515         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1516         INIT_LIST_HEAD(&phba->fc_prli_list);
1517         INIT_LIST_HEAD(&phba->fc_npr_list);
1518
1519
1520         pci_set_master(pdev);
1521         retval = pci_set_mwi(pdev);
1522         if (retval)
1523                 dev_printk(KERN_WARNING, &pdev->dev,
1524                            "Warning: pci_set_mwi returned %d\n", retval);
1525
1526         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1527                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1528                         goto out_idr_remove;
1529
1530         /*
1531          * Get the bus address of Bar0 and Bar2 and the number of bytes
1532          * required by each mapping.
1533          */
1534         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1535         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1536
1537         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1538         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1539
1540         /* Map HBA SLIM to a kernel virtual address. */
1541         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1542         if (!phba->slim_memmap_p) {
1543                 error = -ENODEV;
1544                 dev_printk(KERN_ERR, &pdev->dev,
1545                            "ioremap failed for SLIM memory.\n");
1546                 goto out_idr_remove;
1547         }
1548
1549         /* Map HBA Control Registers to a kernel virtual address. */
1550         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1551         if (!phba->ctrl_regs_memmap_p) {
1552                 error = -ENODEV;
1553                 dev_printk(KERN_ERR, &pdev->dev,
1554                            "ioremap failed for HBA control registers.\n");
1555                 goto out_iounmap_slim;
1556         }
1557
1558         /* Allocate memory for SLI-2 structures */
1559         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1560                                           &phba->slim2p_mapping, GFP_KERNEL);
1561         if (!phba->slim2p)
1562                 goto out_iounmap;
1563
1564         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1565
1566         /* Initialize the SLI Layer to run with lpfc HBAs. */
1567         lpfc_sli_setup(phba);
1568         lpfc_sli_queue_setup(phba);
1569
1570         error = lpfc_mem_alloc(phba);
1571         if (error)
1572                 goto out_free_slim;
1573
1574         /* Initialize and populate the iocb list per host.  */
1575         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1576         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1577                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1578                 if (iocbq_entry == NULL) {
1579                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1580                                 "expected %d count. Unloading driver.\n",
1581                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1582                         error = -ENOMEM;
1583                         goto out_free_iocbq;
1584                 }
1585
1586                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1587                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1588                 if (iotag == 0) {
1589                         kfree (iocbq_entry);
1590                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1591                                "Unloading driver.\n",
1592                                 __FUNCTION__);
1593                         error = -ENOMEM;
1594                         goto out_free_iocbq;
1595                 }
1596                 spin_lock_irq(phba->host->host_lock);
1597                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1598                 phba->total_iocbq_bufs++;
1599                 spin_unlock_irq(phba->host->host_lock);
1600         }
1601
1602         /* Initialize HBA structure */
1603         phba->fc_edtov = FF_DEF_EDTOV;
1604         phba->fc_ratov = FF_DEF_RATOV;
1605         phba->fc_altov = FF_DEF_ALTOV;
1606         phba->fc_arbtov = FF_DEF_ARBTOV;
1607
1608         INIT_LIST_HEAD(&phba->work_list);
1609         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1610         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1611
1612         /* Startup the kernel thread for this host adapter. */
1613         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1614                                        "lpfc_worker_%d", phba->brd_no);
1615         if (IS_ERR(phba->worker_thread)) {
1616                 error = PTR_ERR(phba->worker_thread);
1617                 goto out_free_iocbq;
1618         }
1619
1620         /*
1621          * Set initial can_queue value since 0 is no longer supported and
1622          * scsi_add_host will fail. This will be adjusted later based on the
1623          * max xri value determined in hba setup.
1624          */
1625         host->can_queue = phba->cfg_hba_queue_depth - 10;
1626
1627         /* Tell the midlayer we support 16 byte commands */
1628         host->max_cmd_len = 16;
1629
1630         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1631         spin_lock_init(&phba->scsi_buf_list_lock);
1632         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1633
1634         host->transportt = lpfc_transport_template;
1635         pci_set_drvdata(pdev, host);
1636         error = scsi_add_host(host, &pdev->dev);
1637         if (error)
1638                 goto out_kthread_stop;
1639
1640         error = lpfc_alloc_sysfs_attr(phba);
1641         if (error)
1642                 goto out_remove_host;
1643
1644         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1645                                                         LPFC_DRIVER_NAME, phba);
1646         if (error) {
1647                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1648                         "%d:0451 Enable interrupt handler failed\n",
1649                         phba->brd_no);
1650                 goto out_free_sysfs_attr;
1651         }
1652         phba->MBslimaddr = phba->slim_memmap_p;
1653         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1654         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1655         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1656         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1657
1658         error = lpfc_sli_hba_setup(phba);
1659         if (error) {
1660                 error = -ENODEV;
1661                 goto out_free_irq;
1662         }
1663
1664         /*
1665          * hba setup may have changed the hba_queue_depth so we need to adjust
1666          * the value of can_queue.
1667          */
1668         host->can_queue = phba->cfg_hba_queue_depth - 10;
1669
1670         lpfc_discovery_wait(phba);
1671
1672         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1673                 spin_lock_irq(phba->host->host_lock);
1674                 lpfc_poll_start_timer(phba);
1675                 spin_unlock_irq(phba->host->host_lock);
1676         }
1677
1678         /*
1679          * set fixed host attributes
1680          * Must done after lpfc_sli_hba_setup()
1681          */
1682
1683         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1684         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1685         fc_host_supported_classes(host) = FC_COS_CLASS3;
1686
1687         memset(fc_host_supported_fc4s(host), 0,
1688                 sizeof(fc_host_supported_fc4s(host)));
1689         fc_host_supported_fc4s(host)[2] = 1;
1690         fc_host_supported_fc4s(host)[7] = 1;
1691
1692         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1693
1694         fc_host_supported_speeds(host) = 0;
1695         if (phba->lmt & LMT_10Gb)
1696                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1697         if (phba->lmt & LMT_4Gb)
1698                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1699         if (phba->lmt & LMT_2Gb)
1700                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1701         if (phba->lmt & LMT_1Gb)
1702                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1703
1704         fc_host_maxframe_size(host) =
1705                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1706                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1707
1708         /* This value is also unchanging */
1709         memset(fc_host_active_fc4s(host), 0,
1710                 sizeof(fc_host_active_fc4s(host)));
1711         fc_host_active_fc4s(host)[2] = 1;
1712         fc_host_active_fc4s(host)[7] = 1;
1713
1714         spin_lock_irq(phba->host->host_lock);
1715         phba->fc_flag &= ~FC_LOADING;
1716         spin_unlock_irq(phba->host->host_lock);
1717         return 0;
1718
1719 out_free_irq:
1720         lpfc_stop_timer(phba);
1721         phba->work_hba_events = 0;
1722         free_irq(phba->pcidev->irq, phba);
1723 out_free_sysfs_attr:
1724         lpfc_free_sysfs_attr(phba);
1725 out_remove_host:
1726         fc_remove_host(phba->host);
1727         scsi_remove_host(phba->host);
1728 out_kthread_stop:
1729         kthread_stop(phba->worker_thread);
1730 out_free_iocbq:
1731         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1732                                                 &phba->lpfc_iocb_list, list) {
1733                 spin_lock_irq(phba->host->host_lock);
1734                 kfree(iocbq_entry);
1735                 phba->total_iocbq_bufs--;
1736                 spin_unlock_irq(phba->host->host_lock);
1737         }
1738         lpfc_mem_free(phba);
1739 out_free_slim:
1740         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1741                                                         phba->slim2p_mapping);
1742 out_iounmap:
1743         iounmap(phba->ctrl_regs_memmap_p);
1744 out_iounmap_slim:
1745         iounmap(phba->slim_memmap_p);
1746 out_idr_remove:
1747         idr_remove(&lpfc_hba_index, phba->brd_no);
1748 out_put_host:
1749         phba->host = NULL;
1750         scsi_host_put(host);
1751 out_release_regions:
1752         pci_release_regions(pdev);
1753 out_disable_device:
1754         pci_disable_device(pdev);
1755 out:
1756         pci_set_drvdata(pdev, NULL);
1757         return error;
1758 }
1759
1760 static void __devexit
1761 lpfc_pci_remove_one(struct pci_dev *pdev)
1762 {
1763         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1764         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1765         unsigned long iflag;
1766
1767         lpfc_free_sysfs_attr(phba);
1768
1769         spin_lock_irqsave(phba->host->host_lock, iflag);
1770         phba->fc_flag |= FC_UNLOADING;
1771
1772         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1773
1774         fc_remove_host(phba->host);
1775         scsi_remove_host(phba->host);
1776
1777         kthread_stop(phba->worker_thread);
1778
1779         /*
1780          * Bring down the SLI Layer. This step disable all interrupts,
1781          * clears the rings, discards all mailbox commands, and resets
1782          * the HBA.
1783          */
1784         lpfc_sli_hba_down(phba);
1785         lpfc_sli_brdrestart(phba);
1786
1787         /* Release the irq reservation */
1788         free_irq(phba->pcidev->irq, phba);
1789
1790         lpfc_cleanup(phba, 0);
1791         lpfc_stop_timer(phba);
1792         phba->work_hba_events = 0;
1793
1794         /*
1795          * Call scsi_free before mem_free since scsi bufs are released to their
1796          * corresponding pools here.
1797          */
1798         lpfc_scsi_free(phba);
1799         lpfc_mem_free(phba);
1800
1801         /* Free resources associated with SLI2 interface */
1802         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1803                           phba->slim2p, phba->slim2p_mapping);
1804
1805         /* unmap adapter SLIM and Control Registers */
1806         iounmap(phba->ctrl_regs_memmap_p);
1807         iounmap(phba->slim_memmap_p);
1808
1809         pci_release_regions(phba->pcidev);
1810         pci_disable_device(phba->pcidev);
1811
1812         idr_remove(&lpfc_hba_index, phba->brd_no);
1813         scsi_host_put(phba->host);
1814
1815         pci_set_drvdata(pdev, NULL);
1816 }
1817
1818 static struct pci_device_id lpfc_id_table[] = {
1819         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1820                 PCI_ANY_ID, PCI_ANY_ID, },
1821         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1822                 PCI_ANY_ID, PCI_ANY_ID, },
1823         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1824                 PCI_ANY_ID, PCI_ANY_ID, },
1825         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1826                 PCI_ANY_ID, PCI_ANY_ID, },
1827         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1828                 PCI_ANY_ID, PCI_ANY_ID, },
1829         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1830                 PCI_ANY_ID, PCI_ANY_ID, },
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1844                 PCI_ANY_ID, PCI_ANY_ID, },
1845         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1846                 PCI_ANY_ID, PCI_ANY_ID, },
1847         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1848                 PCI_ANY_ID, PCI_ANY_ID, },
1849         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1850                 PCI_ANY_ID, PCI_ANY_ID, },
1851         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1852                 PCI_ANY_ID, PCI_ANY_ID, },
1853         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1854                 PCI_ANY_ID, PCI_ANY_ID, },
1855         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1856                 PCI_ANY_ID, PCI_ANY_ID, },
1857         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1858                 PCI_ANY_ID, PCI_ANY_ID, },
1859         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1860                 PCI_ANY_ID, PCI_ANY_ID, },
1861         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1862                 PCI_ANY_ID, PCI_ANY_ID, },
1863         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1864                 PCI_ANY_ID, PCI_ANY_ID, },
1865         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1866                 PCI_ANY_ID, PCI_ANY_ID, },
1867         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1868                 PCI_ANY_ID, PCI_ANY_ID, },
1869         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1870                 PCI_ANY_ID, PCI_ANY_ID, },
1871         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1872                 PCI_ANY_ID, PCI_ANY_ID, },
1873         { 0 }
1874 };
1875
1876 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1877
1878 static struct pci_driver lpfc_driver = {
1879         .name           = LPFC_DRIVER_NAME,
1880         .id_table       = lpfc_id_table,
1881         .probe          = lpfc_pci_probe_one,
1882         .remove         = __devexit_p(lpfc_pci_remove_one),
1883 };
1884
1885 static int __init
1886 lpfc_init(void)
1887 {
1888         int error = 0;
1889
1890         printk(LPFC_MODULE_DESC "\n");
1891         printk(LPFC_COPYRIGHT "\n");
1892
1893         lpfc_transport_template =
1894                                 fc_attach_transport(&lpfc_transport_functions);
1895         if (!lpfc_transport_template)
1896                 return -ENOMEM;
1897         error = pci_register_driver(&lpfc_driver);
1898         if (error)
1899                 fc_release_transport(lpfc_transport_template);
1900
1901         return error;
1902 }
1903
1904 static void __exit
1905 lpfc_exit(void)
1906 {
1907         pci_unregister_driver(&lpfc_driver);
1908         fc_release_transport(lpfc_transport_template);
1909 }
1910
1911 module_init(lpfc_init);
1912 module_exit(lpfc_exit);
1913 MODULE_LICENSE("GPL");
1914 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1915 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1916 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);