Merge ../scsi-misc-2.6
[linux-3.10.git] / 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
75         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
76         if (!pmb) {
77                 phba->hba_state = LPFC_HBA_ERROR;
78                 return -ENOMEM;
79         }
80
81         mb = &pmb->mb;
82         phba->hba_state = LPFC_INIT_MBX_CMDS;
83
84         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
85                 uint32_t *ptext = (uint32_t *) licensed;
86
87                 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
88                         *ptext = cpu_to_be32(*ptext);
89
90                 lpfc_read_nv(phba, pmb);
91                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
92                         sizeof (mb->un.varRDnvp.rsvd3));
93                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
94                          sizeof (licensed));
95
96                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
97
98                 if (rc != MBX_SUCCESS) {
99                         lpfc_printf_log(phba,
100                                         KERN_ERR,
101                                         LOG_MBOX,
102                                         "%d:0324 Config Port initialization "
103                                         "error, mbxCmd x%x READ_NVPARM, "
104                                         "mbxStatus x%x\n",
105                                         phba->brd_no,
106                                         mb->mbxCommand, mb->mbxStatus);
107                         mempool_free(pmb, phba->mbox_mem_pool);
108                         return -ERESTART;
109                 }
110                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
111                        sizeof (mb->un.varRDnvp.nodename));
112         }
113
114         /* Setup and issue mailbox READ REV command */
115         lpfc_read_rev(phba, pmb);
116         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
117         if (rc != MBX_SUCCESS) {
118                 lpfc_printf_log(phba,
119                                 KERN_ERR,
120                                 LOG_INIT,
121                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
122                                 "READ_REV, mbxStatus x%x\n",
123                                 phba->brd_no,
124                                 mb->mbxCommand, mb->mbxStatus);
125                 mempool_free( pmb, phba->mbox_mem_pool);
126                 return -ERESTART;
127         }
128
129         /*
130          * The value of rr must be 1 since the driver set the cv field to 1.
131          * This setting requires the FW to set all revision fields.
132          */
133         if (mb->un.varRdRev.rr == 0) {
134                 vp->rev.rBit = 0;
135                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
136                                 "%d:0440 Adapter failed to init, READ_REV has "
137                                 "missing revision information.\n",
138                                 phba->brd_no);
139                 mempool_free(pmb, phba->mbox_mem_pool);
140                 return -ERESTART;
141         }
142
143         /* Save information as VPD data */
144         vp->rev.rBit = 1;
145         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
146         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
147         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
148         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
149         vp->rev.biuRev = mb->un.varRdRev.biuRev;
150         vp->rev.smRev = mb->un.varRdRev.smRev;
151         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
152         vp->rev.endecRev = mb->un.varRdRev.endecRev;
153         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
154         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
155         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
156         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
157         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
158         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
159
160         if (lpfc_is_LC_HBA(phba->pcidev->device))
161                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
162                                                 sizeof (phba->RandomData));
163
164         /* Get adapter VPD information */
165         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
166         if (!pmb->context2)
167                 goto out_free_mbox;
168         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
169         if (!lpfc_vpd_data)
170                 goto out_free_context2;
171
172         do {
173                 lpfc_dump_mem(phba, pmb, offset);
174                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
175
176                 if (rc != MBX_SUCCESS) {
177                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
178                                         "%d:0441 VPD not present on adapter, "
179                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
180                                         phba->brd_no,
181                                         mb->mbxCommand, mb->mbxStatus);
182                         mb->un.varDmp.word_cnt = 0;
183                 }
184                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
185                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
186                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
187                                                         mb->un.varDmp.word_cnt);
188                 offset += mb->un.varDmp.word_cnt;
189         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
190         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
191
192         kfree(lpfc_vpd_data);
193 out_free_context2:
194         kfree(pmb->context2);
195 out_free_mbox:
196         mempool_free(pmb, phba->mbox_mem_pool);
197         return 0;
198 }
199
200 /************************************************************************/
201 /*                                                                      */
202 /*    lpfc_config_port_post                                             */
203 /*    This routine will do LPFC initialization after the                */
204 /*    CONFIG_PORT mailbox command. This will be initialized             */
205 /*    as a SLI layer callback routine.                                  */
206 /*    This routine returns 0 on success. Any other return value         */
207 /*    indicates an error.                                               */
208 /*                                                                      */
209 /************************************************************************/
210 int
211 lpfc_config_port_post(struct lpfc_hba * phba)
212 {
213         LPFC_MBOXQ_t *pmb;
214         MAILBOX_t *mb;
215         struct lpfc_dmabuf *mp;
216         struct lpfc_sli *psli = &phba->sli;
217         uint32_t status, timeout;
218         int i, j, rc;
219
220         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
221         if (!pmb) {
222                 phba->hba_state = LPFC_HBA_ERROR;
223                 return -ENOMEM;
224         }
225         mb = &pmb->mb;
226
227         lpfc_config_link(phba, pmb);
228         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
229         if (rc != MBX_SUCCESS) {
230                 lpfc_printf_log(phba,
231                                 KERN_ERR,
232                                 LOG_INIT,
233                                 "%d:0447 Adapter failed init, mbxCmd x%x "
234                                 "CONFIG_LINK mbxStatus x%x\n",
235                                 phba->brd_no,
236                                 mb->mbxCommand, mb->mbxStatus);
237                 phba->hba_state = LPFC_HBA_ERROR;
238                 mempool_free( pmb, phba->mbox_mem_pool);
239                 return -EIO;
240         }
241
242         /* Get login parameters for NID.  */
243         lpfc_read_sparam(phba, pmb);
244         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
245                 lpfc_printf_log(phba,
246                                 KERN_ERR,
247                                 LOG_INIT,
248                                 "%d:0448 Adapter failed init, mbxCmd x%x "
249                                 "READ_SPARM mbxStatus x%x\n",
250                                 phba->brd_no,
251                                 mb->mbxCommand, mb->mbxStatus);
252                 phba->hba_state = LPFC_HBA_ERROR;
253                 mp = (struct lpfc_dmabuf *) pmb->context1;
254                 mempool_free( pmb, phba->mbox_mem_pool);
255                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
256                 kfree(mp);
257                 return -EIO;
258         }
259
260         mp = (struct lpfc_dmabuf *) pmb->context1;
261
262         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
263         lpfc_mbuf_free(phba, mp->virt, mp->phys);
264         kfree(mp);
265         pmb->context1 = NULL;
266
267         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
268                sizeof (struct lpfc_name));
269         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
270                sizeof (struct lpfc_name));
271         /* If no serial number in VPD data, use low 6 bytes of WWNN */
272         /* This should be consolidated into parse_vpd ? - mr */
273         if (phba->SerialNumber[0] == 0) {
274                 uint8_t *outptr;
275
276                 outptr = &phba->fc_nodename.u.s.IEEE[0];
277                 for (i = 0; i < 12; i++) {
278                         status = *outptr++;
279                         j = ((status & 0xf0) >> 4);
280                         if (j <= 9)
281                                 phba->SerialNumber[i] =
282                                     (char)((uint8_t) 0x30 + (uint8_t) j);
283                         else
284                                 phba->SerialNumber[i] =
285                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
286                         i++;
287                         j = (status & 0xf);
288                         if (j <= 9)
289                                 phba->SerialNumber[i] =
290                                     (char)((uint8_t) 0x30 + (uint8_t) j);
291                         else
292                                 phba->SerialNumber[i] =
293                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
294                 }
295         }
296
297         lpfc_read_config(phba, pmb);
298         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
299                 lpfc_printf_log(phba,
300                                 KERN_ERR,
301                                 LOG_INIT,
302                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
303                                 "READ_CONFIG, mbxStatus x%x\n",
304                                 phba->brd_no,
305                                 mb->mbxCommand, mb->mbxStatus);
306                 phba->hba_state = LPFC_HBA_ERROR;
307                 mempool_free( pmb, phba->mbox_mem_pool);
308                 return -EIO;
309         }
310
311         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
312         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
313                 phba->cfg_hba_queue_depth =
314                         mb->un.varRdConfig.max_xri + 1;
315
316         phba->lmt = mb->un.varRdConfig.lmt;
317
318         /* Get the default values for Model Name and Description */
319         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
320
321         if ((phba->cfg_link_speed > LINK_SPEED_10G)
322             || ((phba->cfg_link_speed == LINK_SPEED_1G)
323                 && !(phba->lmt & LMT_1Gb))
324             || ((phba->cfg_link_speed == LINK_SPEED_2G)
325                 && !(phba->lmt & LMT_2Gb))
326             || ((phba->cfg_link_speed == LINK_SPEED_4G)
327                 && !(phba->lmt & LMT_4Gb))
328             || ((phba->cfg_link_speed == LINK_SPEED_8G)
329                 && !(phba->lmt & LMT_8Gb))
330             || ((phba->cfg_link_speed == LINK_SPEED_10G)
331                 && !(phba->lmt & LMT_10Gb))) {
332                 /* Reset link speed to auto */
333                 lpfc_printf_log(phba,
334                         KERN_WARNING,
335                         LOG_LINK_EVENT,
336                         "%d:1302 Invalid speed for this board: "
337                         "Reset link speed to auto: x%x\n",
338                         phba->brd_no,
339                         phba->cfg_link_speed);
340                         phba->cfg_link_speed = LINK_SPEED_AUTO;
341         }
342
343         phba->hba_state = LPFC_LINK_DOWN;
344
345         /* Only process IOCBs on ring 0 till hba_state is READY */
346         if (psli->ring[psli->ip_ring].cmdringaddr)
347                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
348         if (psli->ring[psli->fcp_ring].cmdringaddr)
349                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
350         if (psli->ring[psli->next_ring].cmdringaddr)
351                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
352
353         /* Post receive buffers for desired rings */
354         lpfc_post_rcv_buf(phba);
355
356         /* Enable appropriate host interrupts */
357         spin_lock_irq(phba->host->host_lock);
358         status = readl(phba->HCregaddr);
359         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
360         if (psli->num_rings > 0)
361                 status |= HC_R0INT_ENA;
362         if (psli->num_rings > 1)
363                 status |= HC_R1INT_ENA;
364         if (psli->num_rings > 2)
365                 status |= HC_R2INT_ENA;
366         if (psli->num_rings > 3)
367                 status |= HC_R3INT_ENA;
368
369         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
370             (phba->cfg_poll & DISABLE_FCP_RING_INT))
371                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
372
373         writel(status, phba->HCregaddr);
374         readl(phba->HCregaddr); /* flush */
375         spin_unlock_irq(phba->host->host_lock);
376
377         /*
378          * Setup the ring 0 (els)  timeout handler
379          */
380         timeout = phba->fc_ratov << 1;
381         phba->els_tmofunc.expires = jiffies + HZ * timeout;
382         add_timer(&phba->els_tmofunc);
383
384         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
385         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
386         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
387                 lpfc_printf_log(phba,
388                                 KERN_ERR,
389                                 LOG_INIT,
390                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
391                                 "INIT_LINK, mbxStatus x%x\n",
392                                 phba->brd_no,
393                                 mb->mbxCommand, mb->mbxStatus);
394
395                 /* Clear all interrupt enable conditions */
396                 writel(0, phba->HCregaddr);
397                 readl(phba->HCregaddr); /* flush */
398                 /* Clear all pending interrupts */
399                 writel(0xffffffff, phba->HAregaddr);
400                 readl(phba->HAregaddr); /* flush */
401
402                 phba->hba_state = LPFC_HBA_ERROR;
403                 mempool_free(pmb, phba->mbox_mem_pool);
404                 return -EIO;
405         }
406         /* MBOX buffer will be freed in mbox compl */
407
408         i = 0;
409         while ((phba->hba_state != LPFC_HBA_READY) ||
410                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
411                ((phba->fc_map_cnt == 0) && (i<2)) ||
412                (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
413                 /* Check every second for 30 retries. */
414                 i++;
415                 if (i > 30) {
416                         break;
417                 }
418                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
419                         /* The link is down.  Set linkdown timeout */
420                         break;
421                 }
422
423                 /* Delay for 1 second to give discovery time to complete. */
424                 msleep(1000);
425
426         }
427
428         /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
429          * any potential PRLIs to flush thru the SLI sub-system.
430          */
431         msleep(50);
432
433         return (0);
434 }
435
436 /************************************************************************/
437 /*                                                                      */
438 /*    lpfc_hba_down_prep                                                */
439 /*    This routine will do LPFC uninitialization before the             */
440 /*    HBA is reset when bringing down the SLI Layer. This will be       */
441 /*    initialized as a SLI layer callback routine.                      */
442 /*    This routine returns 0 on success. Any other return value         */
443 /*    indicates an error.                                               */
444 /*                                                                      */
445 /************************************************************************/
446 int
447 lpfc_hba_down_prep(struct lpfc_hba * phba)
448 {
449         /* Disable interrupts */
450         writel(0, phba->HCregaddr);
451         readl(phba->HCregaddr); /* flush */
452
453         /* Cleanup potential discovery resources */
454         lpfc_els_flush_rscn(phba);
455         lpfc_els_flush_cmd(phba);
456         lpfc_disc_flush_list(phba);
457
458         return (0);
459 }
460
461 /************************************************************************/
462 /*                                                                      */
463 /*    lpfc_hba_down_post                                                */
464 /*    This routine will do uninitialization after the HBA is reset      */
465 /*    when bringing down the SLI Layer.                                 */
466 /*    This routine returns 0 on success. Any other return value         */
467 /*    indicates an error.                                               */
468 /*                                                                      */
469 /************************************************************************/
470 int
471 lpfc_hba_down_post(struct lpfc_hba * phba)
472 {
473         struct lpfc_sli *psli = &phba->sli;
474         struct lpfc_sli_ring *pring;
475         struct lpfc_dmabuf *mp, *next_mp;
476         int i;
477
478         /* Cleanup preposted buffers on the ELS ring */
479         pring = &psli->ring[LPFC_ELS_RING];
480         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
481                 list_del(&mp->list);
482                 pring->postbufq_cnt--;
483                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
484                 kfree(mp);
485         }
486
487         for (i = 0; i < psli->num_rings; i++) {
488                 pring = &psli->ring[i];
489                 lpfc_sli_abort_iocb_ring(phba, pring);
490         }
491
492         return 0;
493 }
494
495 /************************************************************************/
496 /*                                                                      */
497 /*    lpfc_handle_eratt                                                 */
498 /*    This routine will handle processing a Host Attention              */
499 /*    Error Status event. This will be initialized                      */
500 /*    as a SLI layer callback routine.                                  */
501 /*                                                                      */
502 /************************************************************************/
503 void
504 lpfc_handle_eratt(struct lpfc_hba * phba)
505 {
506         struct lpfc_sli *psli = &phba->sli;
507         struct lpfc_sli_ring  *pring;
508
509         if (phba->work_hs & HS_FFER6) {
510                 /* Re-establishing Link */
511                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
512                                 "%d:1301 Re-establishing Link "
513                                 "Data: x%x x%x x%x\n",
514                                 phba->brd_no, phba->work_hs,
515                                 phba->work_status[0], phba->work_status[1]);
516                 spin_lock_irq(phba->host->host_lock);
517                 phba->fc_flag |= FC_ESTABLISH_LINK;
518                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
519                 spin_unlock_irq(phba->host->host_lock);
520
521                 /*
522                 * Firmware stops when it triggled erratt with HS_FFER6.
523                 * That could cause the I/Os dropped by the firmware.
524                 * Error iocb (I/O) on txcmplq and let the SCSI layer
525                 * retry it after re-establishing link.
526                 */
527                 pring = &psli->ring[psli->fcp_ring];
528                 lpfc_sli_abort_iocb_ring(phba, pring);
529
530
531                 /*
532                  * There was a firmware error.  Take the hba offline and then
533                  * attempt to restart it.
534                  */
535                 lpfc_offline(phba);
536                 lpfc_sli_brdrestart(phba);
537                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
538                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
539                         return;
540                 }
541         } else {
542                 /* The if clause above forces this code path when the status
543                  * failure is a value other than FFER6.  Do not call the offline
544                  *  twice. This is the adapter hardware error path.
545                  */
546                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
547                                 "%d:0457 Adapter Hardware Error "
548                                 "Data: x%x x%x x%x\n",
549                                 phba->brd_no, phba->work_hs,
550                                 phba->work_status[0], phba->work_status[1]);
551
552                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
553                 lpfc_offline(phba);
554                 phba->hba_state = LPFC_HBA_ERROR;
555                 lpfc_hba_down_post(phba);
556         }
557 }
558
559 /************************************************************************/
560 /*                                                                      */
561 /*    lpfc_handle_latt                                                  */
562 /*    This routine will handle processing a Host Attention              */
563 /*    Link Status event. This will be initialized                       */
564 /*    as a SLI layer callback routine.                                  */
565 /*                                                                      */
566 /************************************************************************/
567 void
568 lpfc_handle_latt(struct lpfc_hba * phba)
569 {
570         struct lpfc_sli *psli = &phba->sli;
571         LPFC_MBOXQ_t *pmb;
572         volatile uint32_t control;
573         struct lpfc_dmabuf *mp;
574         int rc = -ENOMEM;
575
576         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
577         if (!pmb)
578                 goto lpfc_handle_latt_err_exit;
579
580         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
581         if (!mp)
582                 goto lpfc_handle_latt_free_pmb;
583
584         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
585         if (!mp->virt)
586                 goto lpfc_handle_latt_free_mp;
587
588         rc = -EIO;
589
590         /* Cleanup any outstanding ELS commands */
591         lpfc_els_flush_cmd(phba);
592
593         psli->slistat.link_event++;
594         lpfc_read_la(phba, pmb, mp);
595         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
596         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
597         if (rc == MBX_NOT_FINISHED)
598                 goto lpfc_handle_latt_free_mp;
599
600         /* Clear Link Attention in HA REG */
601         spin_lock_irq(phba->host->host_lock);
602         writel(HA_LATT, phba->HAregaddr);
603         readl(phba->HAregaddr); /* flush */
604         spin_unlock_irq(phba->host->host_lock);
605
606         return;
607
608 lpfc_handle_latt_free_mp:
609         kfree(mp);
610 lpfc_handle_latt_free_pmb:
611         kfree(pmb);
612 lpfc_handle_latt_err_exit:
613         /* Enable Link attention interrupts */
614         spin_lock_irq(phba->host->host_lock);
615         psli->sli_flag |= LPFC_PROCESS_LA;
616         control = readl(phba->HCregaddr);
617         control |= HC_LAINT_ENA;
618         writel(control, phba->HCregaddr);
619         readl(phba->HCregaddr); /* flush */
620
621         /* Clear Link Attention in HA REG */
622         writel(HA_LATT, phba->HAregaddr);
623         readl(phba->HAregaddr); /* flush */
624         spin_unlock_irq(phba->host->host_lock);
625         lpfc_linkdown(phba);
626         phba->hba_state = LPFC_HBA_ERROR;
627
628         /* The other case is an error from issue_mbox */
629         if (rc == -ENOMEM)
630                 lpfc_printf_log(phba,
631                                 KERN_WARNING,
632                                 LOG_MBOX,
633                                 "%d:0300 READ_LA: no buffers\n",
634                                 phba->brd_no);
635
636         return;
637 }
638
639 /************************************************************************/
640 /*                                                                      */
641 /*   lpfc_parse_vpd                                                     */
642 /*   This routine will parse the VPD data                               */
643 /*                                                                      */
644 /************************************************************************/
645 static int
646 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
647 {
648         uint8_t lenlo, lenhi;
649         uint32_t Length;
650         int i, j;
651         int finished = 0;
652         int index = 0;
653
654         if (!vpd)
655                 return 0;
656
657         /* Vital Product */
658         lpfc_printf_log(phba,
659                         KERN_INFO,
660                         LOG_INIT,
661                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
662                         phba->brd_no,
663                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
664                         (uint32_t) vpd[3]);
665         while (!finished && (index < (len - 4))) {
666                 switch (vpd[index]) {
667                 case 0x82:
668                 case 0x91:
669                         index += 1;
670                         lenlo = vpd[index];
671                         index += 1;
672                         lenhi = vpd[index];
673                         index += 1;
674                         i = ((((unsigned short)lenhi) << 8) + lenlo);
675                         index += i;
676                         break;
677                 case 0x90:
678                         index += 1;
679                         lenlo = vpd[index];
680                         index += 1;
681                         lenhi = vpd[index];
682                         index += 1;
683                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
684                         if (Length > len - index)
685                                 Length = len - index;
686                         while (Length > 0) {
687                         /* Look for Serial Number */
688                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
689                                 index += 2;
690                                 i = vpd[index];
691                                 index += 1;
692                                 j = 0;
693                                 Length -= (3+i);
694                                 while(i--) {
695                                         phba->SerialNumber[j++] = vpd[index++];
696                                         if (j == 31)
697                                                 break;
698                                 }
699                                 phba->SerialNumber[j] = 0;
700                                 continue;
701                         }
702                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
703                                 phba->vpd_flag |= VPD_MODEL_DESC;
704                                 index += 2;
705                                 i = vpd[index];
706                                 index += 1;
707                                 j = 0;
708                                 Length -= (3+i);
709                                 while(i--) {
710                                         phba->ModelDesc[j++] = vpd[index++];
711                                         if (j == 255)
712                                                 break;
713                                 }
714                                 phba->ModelDesc[j] = 0;
715                                 continue;
716                         }
717                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
718                                 phba->vpd_flag |= VPD_MODEL_NAME;
719                                 index += 2;
720                                 i = vpd[index];
721                                 index += 1;
722                                 j = 0;
723                                 Length -= (3+i);
724                                 while(i--) {
725                                         phba->ModelName[j++] = vpd[index++];
726                                         if (j == 79)
727                                                 break;
728                                 }
729                                 phba->ModelName[j] = 0;
730                                 continue;
731                         }
732                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
733                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
734                                 index += 2;
735                                 i = vpd[index];
736                                 index += 1;
737                                 j = 0;
738                                 Length -= (3+i);
739                                 while(i--) {
740                                         phba->ProgramType[j++] = vpd[index++];
741                                         if (j == 255)
742                                                 break;
743                                 }
744                                 phba->ProgramType[j] = 0;
745                                 continue;
746                         }
747                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
748                                 phba->vpd_flag |= VPD_PORT;
749                                 index += 2;
750                                 i = vpd[index];
751                                 index += 1;
752                                 j = 0;
753                                 Length -= (3+i);
754                                 while(i--) {
755                                 phba->Port[j++] = vpd[index++];
756                                 if (j == 19)
757                                         break;
758                                 }
759                                 phba->Port[j] = 0;
760                                 continue;
761                         }
762                         else {
763                                 index += 2;
764                                 i = vpd[index];
765                                 index += 1;
766                                 index += i;
767                                 Length -= (3 + i);
768                         }
769                 }
770                 finished = 0;
771                 break;
772                 case 0x78:
773                         finished = 1;
774                         break;
775                 default:
776                         index ++;
777                         break;
778                 }
779         }
780
781         return(1);
782 }
783
784 static void
785 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
786 {
787         lpfc_vpd_t *vp;
788         uint16_t dev_id = phba->pcidev->device;
789         uint16_t dev_subid = phba->pcidev->subsystem_device;
790         uint8_t hdrtype;
791         int max_speed;
792         char * ports;
793         struct {
794                 char * name;
795                 int    max_speed;
796                 char * ports;
797                 char * bus;
798         } m = {"<Unknown>", 0, "", ""};
799
800         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
801         ports = (hdrtype == 0x80) ? "2-port " : "";
802         if (mdp && mdp[0] != '\0'
803                 && descp && descp[0] != '\0')
804                 return;
805
806         if (phba->lmt & LMT_10Gb)
807                 max_speed = 10;
808         else if (phba->lmt & LMT_8Gb)
809                 max_speed = 8;
810         else if (phba->lmt & LMT_4Gb)
811                 max_speed = 4;
812         else if (phba->lmt & LMT_2Gb)
813                 max_speed = 2;
814         else
815                 max_speed = 1;
816
817         vp = &phba->vpd;
818
819         switch (dev_id) {
820         case PCI_DEVICE_ID_FIREFLY:
821                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
822                 break;
823         case PCI_DEVICE_ID_SUPERFLY:
824                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
825                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
826                 else
827                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
828                 break;
829         case PCI_DEVICE_ID_DRAGONFLY:
830                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
831                 break;
832         case PCI_DEVICE_ID_CENTAUR:
833                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
834                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
835                 else
836                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
837                 break;
838         case PCI_DEVICE_ID_RFLY:
839                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
840                 break;
841         case PCI_DEVICE_ID_PEGASUS:
842                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
843                 break;
844         case PCI_DEVICE_ID_THOR:
845                 if (hdrtype == 0x80)
846                         m = (typeof(m)){"LP10000DC",
847                                         max_speed, ports, "PCI-X"};
848                 else
849                         m = (typeof(m)){"LP10000",
850                                         max_speed, ports, "PCI-X"};
851                 break;
852         case PCI_DEVICE_ID_VIPER:
853                 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
854                 break;
855         case PCI_DEVICE_ID_PFLY:
856                 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
857                 break;
858         case PCI_DEVICE_ID_TFLY:
859                 if (hdrtype == 0x80)
860                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
861                 else
862                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
863                 break;
864         case PCI_DEVICE_ID_HELIOS:
865                 if (hdrtype == 0x80)
866                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
867                 else
868                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
869                 break;
870         case PCI_DEVICE_ID_HELIOS_SCSP:
871                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
872                 break;
873         case PCI_DEVICE_ID_HELIOS_DCSP:
874                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
875                 break;
876         case PCI_DEVICE_ID_NEPTUNE:
877                 if (hdrtype == 0x80)
878                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
879                 else
880                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
881                 break;
882         case PCI_DEVICE_ID_NEPTUNE_SCSP:
883                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
884                 break;
885         case PCI_DEVICE_ID_NEPTUNE_DCSP:
886                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
887                 break;
888         case PCI_DEVICE_ID_BMID:
889                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
890                 break;
891         case PCI_DEVICE_ID_BSMB:
892                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
893                 break;
894         case PCI_DEVICE_ID_ZEPHYR:
895                 if (hdrtype == 0x80)
896                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
897                 else
898                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
899                 break;
900         case PCI_DEVICE_ID_ZEPHYR_SCSP:
901                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
902                 break;
903         case PCI_DEVICE_ID_ZEPHYR_DCSP:
904                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
905                 break;
906         case PCI_DEVICE_ID_ZMID:
907                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
908                 break;
909         case PCI_DEVICE_ID_ZSMB:
910                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
911                 break;
912         case PCI_DEVICE_ID_LP101:
913                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
914                 break;
915         case PCI_DEVICE_ID_LP10000S:
916                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
917                 break;
918         case PCI_DEVICE_ID_LP11000S:
919         case PCI_DEVICE_ID_LPE11000S:
920                 switch (dev_subid) {
921                 case PCI_SUBSYSTEM_ID_LP11000S:
922                         m = (typeof(m)){"LP11000-S", max_speed,
923                                         ports, "PCI-X2"};
924                         break;
925                 case PCI_SUBSYSTEM_ID_LP11002S:
926                         m = (typeof(m)){"LP11002-S", max_speed,
927                                         ports, "PCI-X2"};
928                         break;
929                 case PCI_SUBSYSTEM_ID_LPE11000S:
930                         m = (typeof(m)){"LPe11000-S", max_speed,
931                                         ports, "PCIe"};
932                         break;
933                 case PCI_SUBSYSTEM_ID_LPE11002S:
934                         m = (typeof(m)){"LPe11002-S", max_speed,
935                                         ports, "PCIe"};
936                         break;
937                 case PCI_SUBSYSTEM_ID_LPE11010S:
938                         m = (typeof(m)){"LPe11010-S", max_speed,
939                                         "10-port ", "PCIe"};
940                         break;
941                 default:
942                         m = (typeof(m)){ NULL };
943                         break;
944                 }
945                 break;
946         default:
947                 m = (typeof(m)){ NULL };
948                 break;
949         }
950
951         if (mdp && mdp[0] == '\0')
952                 snprintf(mdp, 79,"%s", m.name);
953         if (descp && descp[0] == '\0')
954                 snprintf(descp, 255,
955                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
956                          m.name, m.max_speed, m.ports, m.bus);
957 }
958
959 /**************************************************/
960 /*   lpfc_post_buffer                             */
961 /*                                                */
962 /*   This routine will post count buffers to the  */
963 /*   ring with the QUE_RING_BUF_CN command. This  */
964 /*   allows 3 buffers / command to be posted.     */
965 /*   Returns the number of buffers NOT posted.    */
966 /**************************************************/
967 int
968 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
969                  int type)
970 {
971         IOCB_t *icmd;
972         struct lpfc_iocbq *iocb;
973         struct lpfc_dmabuf *mp1, *mp2;
974
975         cnt += pring->missbufcnt;
976
977         /* While there are buffers to post */
978         while (cnt > 0) {
979                 /* Allocate buffer for  command iocb */
980                 spin_lock_irq(phba->host->host_lock);
981                 iocb = lpfc_sli_get_iocbq(phba);
982                 spin_unlock_irq(phba->host->host_lock);
983                 if (iocb == NULL) {
984                         pring->missbufcnt = cnt;
985                         return cnt;
986                 }
987                 icmd = &iocb->iocb;
988
989                 /* 2 buffers can be posted per command */
990                 /* Allocate buffer to post */
991                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
992                 if (mp1)
993                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
994                                                 &mp1->phys);
995                 if (mp1 == 0 || mp1->virt == 0) {
996                         kfree(mp1);
997                         spin_lock_irq(phba->host->host_lock);
998                         lpfc_sli_release_iocbq(phba, iocb);
999                         spin_unlock_irq(phba->host->host_lock);
1000                         pring->missbufcnt = cnt;
1001                         return cnt;
1002                 }
1003
1004                 INIT_LIST_HEAD(&mp1->list);
1005                 /* Allocate buffer to post */
1006                 if (cnt > 1) {
1007                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1008                         if (mp2)
1009                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1010                                                             &mp2->phys);
1011                         if (mp2 == 0 || mp2->virt == 0) {
1012                                 kfree(mp2);
1013                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1014                                 kfree(mp1);
1015                                 spin_lock_irq(phba->host->host_lock);
1016                                 lpfc_sli_release_iocbq(phba, iocb);
1017                                 spin_unlock_irq(phba->host->host_lock);
1018                                 pring->missbufcnt = cnt;
1019                                 return cnt;
1020                         }
1021
1022                         INIT_LIST_HEAD(&mp2->list);
1023                 } else {
1024                         mp2 = NULL;
1025                 }
1026
1027                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1028                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1029                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1030                 icmd->ulpBdeCount = 1;
1031                 cnt--;
1032                 if (mp2) {
1033                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1034                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1035                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1036                         cnt--;
1037                         icmd->ulpBdeCount = 2;
1038                 }
1039
1040                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1041                 icmd->ulpLe = 1;
1042
1043                 spin_lock_irq(phba->host->host_lock);
1044                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1045                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1046                         kfree(mp1);
1047                         cnt++;
1048                         if (mp2) {
1049                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1050                                 kfree(mp2);
1051                                 cnt++;
1052                         }
1053                         lpfc_sli_release_iocbq(phba, iocb);
1054                         pring->missbufcnt = cnt;
1055                         spin_unlock_irq(phba->host->host_lock);
1056                         return cnt;
1057                 }
1058                 spin_unlock_irq(phba->host->host_lock);
1059                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1060                 if (mp2) {
1061                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1062                 }
1063         }
1064         pring->missbufcnt = 0;
1065         return 0;
1066 }
1067
1068 /************************************************************************/
1069 /*                                                                      */
1070 /*   lpfc_post_rcv_buf                                                  */
1071 /*   This routine post initial rcv buffers to the configured rings      */
1072 /*                                                                      */
1073 /************************************************************************/
1074 static int
1075 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1076 {
1077         struct lpfc_sli *psli = &phba->sli;
1078
1079         /* Ring 0, ELS / CT buffers */
1080         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1081         /* Ring 2 - FCP no buffers needed */
1082
1083         return 0;
1084 }
1085
1086 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1087
1088 /************************************************************************/
1089 /*                                                                      */
1090 /*   lpfc_sha_init                                                      */
1091 /*                                                                      */
1092 /************************************************************************/
1093 static void
1094 lpfc_sha_init(uint32_t * HashResultPointer)
1095 {
1096         HashResultPointer[0] = 0x67452301;
1097         HashResultPointer[1] = 0xEFCDAB89;
1098         HashResultPointer[2] = 0x98BADCFE;
1099         HashResultPointer[3] = 0x10325476;
1100         HashResultPointer[4] = 0xC3D2E1F0;
1101 }
1102
1103 /************************************************************************/
1104 /*                                                                      */
1105 /*   lpfc_sha_iterate                                                   */
1106 /*                                                                      */
1107 /************************************************************************/
1108 static void
1109 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1110 {
1111         int t;
1112         uint32_t TEMP;
1113         uint32_t A, B, C, D, E;
1114         t = 16;
1115         do {
1116                 HashWorkingPointer[t] =
1117                     S(1,
1118                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1119                                                                      8] ^
1120                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1121         } while (++t <= 79);
1122         t = 0;
1123         A = HashResultPointer[0];
1124         B = HashResultPointer[1];
1125         C = HashResultPointer[2];
1126         D = HashResultPointer[3];
1127         E = HashResultPointer[4];
1128
1129         do {
1130                 if (t < 20) {
1131                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1132                 } else if (t < 40) {
1133                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1134                 } else if (t < 60) {
1135                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1136                 } else {
1137                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1138                 }
1139                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1140                 E = D;
1141                 D = C;
1142                 C = S(30, B);
1143                 B = A;
1144                 A = TEMP;
1145         } while (++t <= 79);
1146
1147         HashResultPointer[0] += A;
1148         HashResultPointer[1] += B;
1149         HashResultPointer[2] += C;
1150         HashResultPointer[3] += D;
1151         HashResultPointer[4] += E;
1152
1153 }
1154
1155 /************************************************************************/
1156 /*                                                                      */
1157 /*   lpfc_challenge_key                                                 */
1158 /*                                                                      */
1159 /************************************************************************/
1160 static void
1161 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1162 {
1163         *HashWorking = (*RandomChallenge ^ *HashWorking);
1164 }
1165
1166 /************************************************************************/
1167 /*                                                                      */
1168 /*   lpfc_hba_init                                                      */
1169 /*                                                                      */
1170 /************************************************************************/
1171 void
1172 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1173 {
1174         int t;
1175         uint32_t *HashWorking;
1176         uint32_t *pwwnn = phba->wwnn;
1177
1178         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1179         if (!HashWorking)
1180                 return;
1181
1182         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1183         HashWorking[0] = HashWorking[78] = *pwwnn++;
1184         HashWorking[1] = HashWorking[79] = *pwwnn;
1185
1186         for (t = 0; t < 7; t++)
1187                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1188
1189         lpfc_sha_init(hbainit);
1190         lpfc_sha_iterate(hbainit, HashWorking);
1191         kfree(HashWorking);
1192 }
1193
1194 static void
1195 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1196 {
1197         struct lpfc_nodelist *ndlp, *next_ndlp;
1198
1199         /* clean up phba - lpfc specific */
1200         lpfc_can_disctmo(phba);
1201         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1202                                 nlp_listp) {
1203                 lpfc_nlp_remove(phba, ndlp);
1204         }
1205
1206         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1207                                  nlp_listp) {
1208                 lpfc_nlp_remove(phba, ndlp);
1209         }
1210
1211         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1212                                 nlp_listp) {
1213                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1214         }
1215
1216         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1217                                 nlp_listp) {
1218                 lpfc_nlp_remove(phba, ndlp);
1219         }
1220
1221         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1222                                 nlp_listp) {
1223                 lpfc_nlp_remove(phba, ndlp);
1224         }
1225
1226         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1227                                 nlp_listp) {
1228                 lpfc_nlp_remove(phba, ndlp);
1229         }
1230
1231         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1232                                 nlp_listp) {
1233                 lpfc_nlp_remove(phba, ndlp);
1234         }
1235
1236         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1237                                 nlp_listp) {
1238                 lpfc_nlp_remove(phba, ndlp);
1239         }
1240
1241         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1242         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1243         INIT_LIST_HEAD(&phba->fc_unused_list);
1244         INIT_LIST_HEAD(&phba->fc_plogi_list);
1245         INIT_LIST_HEAD(&phba->fc_adisc_list);
1246         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1247         INIT_LIST_HEAD(&phba->fc_prli_list);
1248         INIT_LIST_HEAD(&phba->fc_npr_list);
1249
1250         phba->fc_map_cnt   = 0;
1251         phba->fc_unmap_cnt = 0;
1252         phba->fc_plogi_cnt = 0;
1253         phba->fc_adisc_cnt = 0;
1254         phba->fc_reglogin_cnt = 0;
1255         phba->fc_prli_cnt  = 0;
1256         phba->fc_npr_cnt   = 0;
1257         phba->fc_unused_cnt= 0;
1258         return;
1259 }
1260
1261 static void
1262 lpfc_establish_link_tmo(unsigned long ptr)
1263 {
1264         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1265         unsigned long iflag;
1266
1267
1268         /* Re-establishing Link, timer expired */
1269         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1270                         "%d:1300 Re-establishing Link, timer expired "
1271                         "Data: x%x x%x\n",
1272                         phba->brd_no, phba->fc_flag, phba->hba_state);
1273         spin_lock_irqsave(phba->host->host_lock, iflag);
1274         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1275         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1276 }
1277
1278 static int
1279 lpfc_stop_timer(struct lpfc_hba * phba)
1280 {
1281         struct lpfc_sli *psli = &phba->sli;
1282
1283         /* Instead of a timer, this has been converted to a
1284          * deferred procedding list.
1285          */
1286         while (!list_empty(&phba->freebufList)) {
1287
1288                 struct lpfc_dmabuf *mp = NULL;
1289
1290                 list_remove_head((&phba->freebufList), mp,
1291                                  struct lpfc_dmabuf, list);
1292                 if (mp) {
1293                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1294                         kfree(mp);
1295                 }
1296         }
1297
1298         del_timer_sync(&phba->fcp_poll_timer);
1299         del_timer_sync(&phba->fc_estabtmo);
1300         del_timer_sync(&phba->fc_disctmo);
1301         del_timer_sync(&phba->fc_fdmitmo);
1302         del_timer_sync(&phba->els_tmofunc);
1303         psli = &phba->sli;
1304         del_timer_sync(&psli->mbox_tmo);
1305         return(1);
1306 }
1307
1308 int
1309 lpfc_online(struct lpfc_hba * phba)
1310 {
1311         if (!phba)
1312                 return 0;
1313
1314         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1315                 return 0;
1316
1317         lpfc_printf_log(phba,
1318                        KERN_WARNING,
1319                        LOG_INIT,
1320                        "%d:0458 Bring Adapter online\n",
1321                        phba->brd_no);
1322
1323         if (!lpfc_sli_queue_setup(phba))
1324                 return 1;
1325
1326         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1327                 return 1;
1328
1329         spin_lock_irq(phba->host->host_lock);
1330         phba->fc_flag &= ~FC_OFFLINE_MODE;
1331         spin_unlock_irq(phba->host->host_lock);
1332
1333         return 0;
1334 }
1335
1336 int
1337 lpfc_offline(struct lpfc_hba * phba)
1338 {
1339         struct lpfc_sli_ring *pring;
1340         struct lpfc_sli *psli;
1341         unsigned long iflag;
1342         int i = 0;
1343
1344         if (!phba)
1345                 return 0;
1346
1347         if (phba->fc_flag & FC_OFFLINE_MODE)
1348                 return 0;
1349
1350         psli = &phba->sli;
1351         pring = &psli->ring[psli->fcp_ring];
1352
1353         lpfc_linkdown(phba);
1354
1355         /* The linkdown event takes 30 seconds to timeout. */
1356         while (pring->txcmplq_cnt) {
1357                 mdelay(10);
1358                 if (i++ > 3000)
1359                         break;
1360         }
1361
1362         /* stop all timers associated with this hba */
1363         lpfc_stop_timer(phba);
1364         phba->work_hba_events = 0;
1365
1366         lpfc_printf_log(phba,
1367                        KERN_WARNING,
1368                        LOG_INIT,
1369                        "%d:0460 Bring Adapter offline\n",
1370                        phba->brd_no);
1371
1372         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1373            now.  */
1374         lpfc_sli_hba_down(phba);
1375         lpfc_cleanup(phba, 1);
1376         spin_lock_irqsave(phba->host->host_lock, iflag);
1377         phba->fc_flag |= FC_OFFLINE_MODE;
1378         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1379         return 0;
1380 }
1381
1382 /******************************************************************************
1383 * Function name: lpfc_scsi_free
1384 *
1385 * Description: Called from lpfc_pci_remove_one free internal driver resources
1386 *
1387 ******************************************************************************/
1388 static int
1389 lpfc_scsi_free(struct lpfc_hba * phba)
1390 {
1391         struct lpfc_scsi_buf *sb, *sb_next;
1392         struct lpfc_iocbq *io, *io_next;
1393
1394         spin_lock_irq(phba->host->host_lock);
1395         /* Release all the lpfc_scsi_bufs maintained by this host. */
1396         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1397                 list_del(&sb->list);
1398                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1399                                                                 sb->dma_handle);
1400                 kfree(sb);
1401                 phba->total_scsi_bufs--;
1402         }
1403
1404         /* Release all the lpfc_iocbq entries maintained by this host. */
1405         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1406                 list_del(&io->list);
1407                 kfree(io);
1408                 phba->total_iocbq_bufs--;
1409         }
1410
1411         spin_unlock_irq(phba->host->host_lock);
1412
1413         return 0;
1414 }
1415
1416
1417 static int __devinit
1418 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1419 {
1420         struct Scsi_Host *host;
1421         struct lpfc_hba  *phba;
1422         struct lpfc_sli  *psli;
1423         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1424         unsigned long bar0map_len, bar2map_len;
1425         int error = -ENODEV, retval;
1426         int i;
1427         uint16_t iotag;
1428
1429         if (pci_enable_device(pdev))
1430                 goto out;
1431         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1432                 goto out_disable_device;
1433
1434         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1435         if (!host)
1436                 goto out_release_regions;
1437
1438         phba = (struct lpfc_hba*)host->hostdata;
1439         memset(phba, 0, sizeof (struct lpfc_hba));
1440         phba->host = host;
1441
1442         phba->fc_flag |= FC_LOADING;
1443         phba->pcidev = pdev;
1444
1445         /* Assign an unused board number */
1446         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1447                 goto out_put_host;
1448
1449         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1450         if (error)
1451                 goto out_put_host;
1452
1453         host->unique_id = phba->brd_no;
1454         INIT_LIST_HEAD(&phba->ctrspbuflist);
1455         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1456         INIT_LIST_HEAD(&phba->freebufList);
1457
1458         /* Initialize timers used by driver */
1459         init_timer(&phba->fc_estabtmo);
1460         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1461         phba->fc_estabtmo.data = (unsigned long)phba;
1462         init_timer(&phba->fc_disctmo);
1463         phba->fc_disctmo.function = lpfc_disc_timeout;
1464         phba->fc_disctmo.data = (unsigned long)phba;
1465
1466         init_timer(&phba->fc_fdmitmo);
1467         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1468         phba->fc_fdmitmo.data = (unsigned long)phba;
1469         init_timer(&phba->els_tmofunc);
1470         phba->els_tmofunc.function = lpfc_els_timeout;
1471         phba->els_tmofunc.data = (unsigned long)phba;
1472         psli = &phba->sli;
1473         init_timer(&psli->mbox_tmo);
1474         psli->mbox_tmo.function = lpfc_mbox_timeout;
1475         psli->mbox_tmo.data = (unsigned long)phba;
1476
1477         init_timer(&phba->fcp_poll_timer);
1478         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1479         phba->fcp_poll_timer.data = (unsigned long)phba;
1480
1481         /*
1482          * Get all the module params for configuring this host and then
1483          * establish the host parameters.
1484          */
1485         lpfc_get_cfgparam(phba);
1486
1487         host->max_id = LPFC_MAX_TARGET;
1488         host->max_lun = phba->cfg_max_luns;
1489         host->this_id = -1;
1490
1491         /* Initialize all internally managed lists. */
1492         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1493         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1494         INIT_LIST_HEAD(&phba->fc_unused_list);
1495         INIT_LIST_HEAD(&phba->fc_plogi_list);
1496         INIT_LIST_HEAD(&phba->fc_adisc_list);
1497         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1498         INIT_LIST_HEAD(&phba->fc_prli_list);
1499         INIT_LIST_HEAD(&phba->fc_npr_list);
1500
1501
1502         pci_set_master(pdev);
1503         retval = pci_set_mwi(pdev);
1504         if (retval)
1505                 dev_printk(KERN_WARNING, &pdev->dev,
1506                            "Warning: pci_set_mwi returned %d\n", retval);
1507
1508         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1509                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1510                         goto out_idr_remove;
1511
1512         /*
1513          * Get the bus address of Bar0 and Bar2 and the number of bytes
1514          * required by each mapping.
1515          */
1516         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1517         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1518
1519         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1520         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1521
1522         /* Map HBA SLIM to a kernel virtual address. */
1523         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1524         if (!phba->slim_memmap_p) {
1525                 error = -ENODEV;
1526                 dev_printk(KERN_ERR, &pdev->dev,
1527                            "ioremap failed for SLIM memory.\n");
1528                 goto out_idr_remove;
1529         }
1530
1531         /* Map HBA Control Registers to a kernel virtual address. */
1532         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1533         if (!phba->ctrl_regs_memmap_p) {
1534                 error = -ENODEV;
1535                 dev_printk(KERN_ERR, &pdev->dev,
1536                            "ioremap failed for HBA control registers.\n");
1537                 goto out_iounmap_slim;
1538         }
1539
1540         /* Allocate memory for SLI-2 structures */
1541         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1542                                           &phba->slim2p_mapping, GFP_KERNEL);
1543         if (!phba->slim2p)
1544                 goto out_iounmap;
1545
1546         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1547
1548         /* Initialize the SLI Layer to run with lpfc HBAs. */
1549         lpfc_sli_setup(phba);
1550         lpfc_sli_queue_setup(phba);
1551
1552         error = lpfc_mem_alloc(phba);
1553         if (error)
1554                 goto out_free_slim;
1555
1556         /* Initialize and populate the iocb list per host.  */
1557         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1558         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1559                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1560                 if (iocbq_entry == NULL) {
1561                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1562                                 "expected %d count. Unloading driver.\n",
1563                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1564                         error = -ENOMEM;
1565                         goto out_free_iocbq;
1566                 }
1567
1568                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1569                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1570                 if (iotag == 0) {
1571                         kfree (iocbq_entry);
1572                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1573                                "Unloading driver.\n",
1574                                 __FUNCTION__);
1575                         error = -ENOMEM;
1576                         goto out_free_iocbq;
1577                 }
1578                 spin_lock_irq(phba->host->host_lock);
1579                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1580                 phba->total_iocbq_bufs++;
1581                 spin_unlock_irq(phba->host->host_lock);
1582         }
1583
1584         /* Initialize HBA structure */
1585         phba->fc_edtov = FF_DEF_EDTOV;
1586         phba->fc_ratov = FF_DEF_RATOV;
1587         phba->fc_altov = FF_DEF_ALTOV;
1588         phba->fc_arbtov = FF_DEF_ARBTOV;
1589
1590         INIT_LIST_HEAD(&phba->work_list);
1591         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1592         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1593
1594         /* Startup the kernel thread for this host adapter. */
1595         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1596                                        "lpfc_worker_%d", phba->brd_no);
1597         if (IS_ERR(phba->worker_thread)) {
1598                 error = PTR_ERR(phba->worker_thread);
1599                 goto out_free_iocbq;
1600         }
1601
1602         /* We can rely on a queue depth attribute only after SLI HBA setup */
1603         host->can_queue = phba->cfg_hba_queue_depth - 10;
1604
1605         /* Tell the midlayer we support 16 byte commands */
1606         host->max_cmd_len = 16;
1607
1608         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1609         spin_lock_init(&phba->scsi_buf_list_lock);
1610         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1611
1612         host->transportt = lpfc_transport_template;
1613         pci_set_drvdata(pdev, host);
1614         error = scsi_add_host(host, &pdev->dev);
1615         if (error)
1616                 goto out_kthread_stop;
1617
1618         error = lpfc_alloc_sysfs_attr(phba);
1619         if (error)
1620                 goto out_remove_host;
1621
1622         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1623                                                         LPFC_DRIVER_NAME, phba);
1624         if (error) {
1625                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1626                         "%d:0451 Enable interrupt handler failed\n",
1627                         phba->brd_no);
1628                 goto out_free_sysfs_attr;
1629         }
1630         phba->MBslimaddr = phba->slim_memmap_p;
1631         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1632         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1633         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1634         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1635
1636         error = lpfc_sli_hba_setup(phba);
1637         if (error) {
1638                 error = -ENODEV;
1639                 goto out_free_irq;
1640         }
1641
1642         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1643                 spin_lock_irq(phba->host->host_lock);
1644                 lpfc_poll_start_timer(phba);
1645                 spin_unlock_irq(phba->host->host_lock);
1646         }
1647
1648         /*
1649          * set fixed host attributes
1650          * Must done after lpfc_sli_hba_setup()
1651          */
1652
1653         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1654         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1655         fc_host_supported_classes(host) = FC_COS_CLASS3;
1656
1657         memset(fc_host_supported_fc4s(host), 0,
1658                 sizeof(fc_host_supported_fc4s(host)));
1659         fc_host_supported_fc4s(host)[2] = 1;
1660         fc_host_supported_fc4s(host)[7] = 1;
1661
1662         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1663
1664         fc_host_supported_speeds(host) = 0;
1665         if (phba->lmt & LMT_10Gb)
1666                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1667         if (phba->lmt & LMT_4Gb)
1668                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1669         if (phba->lmt & LMT_2Gb)
1670                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1671         if (phba->lmt & LMT_1Gb)
1672                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1673
1674         fc_host_maxframe_size(host) =
1675                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1676                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1677
1678         /* This value is also unchanging */
1679         memset(fc_host_active_fc4s(host), 0,
1680                 sizeof(fc_host_active_fc4s(host)));
1681         fc_host_active_fc4s(host)[2] = 1;
1682         fc_host_active_fc4s(host)[7] = 1;
1683
1684         spin_lock_irq(phba->host->host_lock);
1685         phba->fc_flag &= ~FC_LOADING;
1686         spin_unlock_irq(phba->host->host_lock);
1687         return 0;
1688
1689 out_free_irq:
1690         lpfc_stop_timer(phba);
1691         phba->work_hba_events = 0;
1692         free_irq(phba->pcidev->irq, phba);
1693 out_free_sysfs_attr:
1694         lpfc_free_sysfs_attr(phba);
1695 out_remove_host:
1696         fc_remove_host(phba->host);
1697         scsi_remove_host(phba->host);
1698 out_kthread_stop:
1699         kthread_stop(phba->worker_thread);
1700 out_free_iocbq:
1701         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1702                                                 &phba->lpfc_iocb_list, list) {
1703                 spin_lock_irq(phba->host->host_lock);
1704                 kfree(iocbq_entry);
1705                 phba->total_iocbq_bufs--;
1706                 spin_unlock_irq(phba->host->host_lock);
1707         }
1708         lpfc_mem_free(phba);
1709 out_free_slim:
1710         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1711                                                         phba->slim2p_mapping);
1712 out_iounmap:
1713         iounmap(phba->ctrl_regs_memmap_p);
1714 out_iounmap_slim:
1715         iounmap(phba->slim_memmap_p);
1716 out_idr_remove:
1717         idr_remove(&lpfc_hba_index, phba->brd_no);
1718 out_put_host:
1719         phba->host = NULL;
1720         scsi_host_put(host);
1721 out_release_regions:
1722         pci_release_regions(pdev);
1723 out_disable_device:
1724         pci_disable_device(pdev);
1725 out:
1726         pci_set_drvdata(pdev, NULL);
1727         return error;
1728 }
1729
1730 static void __devexit
1731 lpfc_pci_remove_one(struct pci_dev *pdev)
1732 {
1733         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1734         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1735         unsigned long iflag;
1736
1737         lpfc_free_sysfs_attr(phba);
1738
1739         spin_lock_irqsave(phba->host->host_lock, iflag);
1740         phba->fc_flag |= FC_UNLOADING;
1741
1742         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1743
1744         fc_remove_host(phba->host);
1745         scsi_remove_host(phba->host);
1746
1747         kthread_stop(phba->worker_thread);
1748
1749         /*
1750          * Bring down the SLI Layer. This step disable all interrupts,
1751          * clears the rings, discards all mailbox commands, and resets
1752          * the HBA.
1753          */
1754         lpfc_sli_hba_down(phba);
1755         lpfc_sli_brdrestart(phba);
1756
1757         /* Release the irq reservation */
1758         free_irq(phba->pcidev->irq, phba);
1759
1760         lpfc_cleanup(phba, 0);
1761         lpfc_stop_timer(phba);
1762         phba->work_hba_events = 0;
1763
1764         /*
1765          * Call scsi_free before mem_free since scsi bufs are released to their
1766          * corresponding pools here.
1767          */
1768         lpfc_scsi_free(phba);
1769         lpfc_mem_free(phba);
1770
1771         /* Free resources associated with SLI2 interface */
1772         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1773                           phba->slim2p, phba->slim2p_mapping);
1774
1775         /* unmap adapter SLIM and Control Registers */
1776         iounmap(phba->ctrl_regs_memmap_p);
1777         iounmap(phba->slim_memmap_p);
1778
1779         pci_release_regions(phba->pcidev);
1780         pci_disable_device(phba->pcidev);
1781
1782         idr_remove(&lpfc_hba_index, phba->brd_no);
1783         scsi_host_put(phba->host);
1784
1785         pci_set_drvdata(pdev, NULL);
1786 }
1787
1788 static struct pci_device_id lpfc_id_table[] = {
1789         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1790                 PCI_ANY_ID, PCI_ANY_ID, },
1791         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1792                 PCI_ANY_ID, PCI_ANY_ID, },
1793         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1794                 PCI_ANY_ID, PCI_ANY_ID, },
1795         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1796                 PCI_ANY_ID, PCI_ANY_ID, },
1797         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1798                 PCI_ANY_ID, PCI_ANY_ID, },
1799         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1800                 PCI_ANY_ID, PCI_ANY_ID, },
1801         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1802                 PCI_ANY_ID, PCI_ANY_ID, },
1803         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1804                 PCI_ANY_ID, PCI_ANY_ID, },
1805         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1806                 PCI_ANY_ID, PCI_ANY_ID, },
1807         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1808                 PCI_ANY_ID, PCI_ANY_ID, },
1809         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1810                 PCI_ANY_ID, PCI_ANY_ID, },
1811         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1812                 PCI_ANY_ID, PCI_ANY_ID, },
1813         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1814                 PCI_ANY_ID, PCI_ANY_ID, },
1815         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1816                 PCI_ANY_ID, PCI_ANY_ID, },
1817         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1818                 PCI_ANY_ID, PCI_ANY_ID, },
1819         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1820                 PCI_ANY_ID, PCI_ANY_ID, },
1821         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1822                 PCI_ANY_ID, PCI_ANY_ID, },
1823         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1824                 PCI_ANY_ID, PCI_ANY_ID, },
1825         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1826                 PCI_ANY_ID, PCI_ANY_ID, },
1827         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1828                 PCI_ANY_ID, PCI_ANY_ID, },
1829         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1830                 PCI_ANY_ID, PCI_ANY_ID, },
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         { 0 }
1844 };
1845
1846 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1847
1848 static struct pci_driver lpfc_driver = {
1849         .name           = LPFC_DRIVER_NAME,
1850         .id_table       = lpfc_id_table,
1851         .probe          = lpfc_pci_probe_one,
1852         .remove         = __devexit_p(lpfc_pci_remove_one),
1853 };
1854
1855 static int __init
1856 lpfc_init(void)
1857 {
1858         int error = 0;
1859
1860         printk(LPFC_MODULE_DESC "\n");
1861         printk(LPFC_COPYRIGHT "\n");
1862
1863         lpfc_transport_template =
1864                                 fc_attach_transport(&lpfc_transport_functions);
1865         if (!lpfc_transport_template)
1866                 return -ENOMEM;
1867         error = pci_register_driver(&lpfc_driver);
1868         if (error)
1869                 fc_release_transport(lpfc_transport_template);
1870
1871         return error;
1872 }
1873
1874 static void __exit
1875 lpfc_exit(void)
1876 {
1877         pci_unregister_driver(&lpfc_driver);
1878         fc_release_transport(lpfc_transport_template);
1879 }
1880
1881 module_init(lpfc_init);
1882 module_exit(lpfc_exit);
1883 MODULE_LICENSE("GPL");
1884 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1885 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1886 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);