[SCSI] lpfc build fix
[linux-2.6.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) 2004-2005 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 *);
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         /* The HBA's current state is provided by the ProgType and rr fields.
130          * Read and check the value of these fields before continuing to config
131          * this port.
132          */
133         if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
134                 /* Old firmware */
135                 vp->rev.rBit = 0;
136                 lpfc_printf_log(phba,
137                                 KERN_ERR,
138                                 LOG_INIT,
139                                 "%d:0440 Adapter failed to init, mbxCmd x%x "
140                                 "READ_REV detected outdated firmware"
141                                 "Data: x%x\n",
142                                 phba->brd_no,
143                                 mb->mbxCommand, 0);
144                 mempool_free(pmb, phba->mbox_mem_pool);
145                 return -ERESTART;
146         } else {
147                 vp->rev.rBit = 1;
148                 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
149                 memcpy(vp->rev.sli1FwName,
150                         (char*)mb->un.varRdRev.sli1FwName, 16);
151                 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152                 memcpy(vp->rev.sli2FwName,
153                                         (char *)mb->un.varRdRev.sli2FwName, 16);
154         }
155
156         /* Save information as VPD data */
157         vp->rev.biuRev = mb->un.varRdRev.biuRev;
158         vp->rev.smRev = mb->un.varRdRev.smRev;
159         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
160         vp->rev.endecRev = mb->un.varRdRev.endecRev;
161         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
162         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
163         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
164         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
165         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
166         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
167
168         if (lpfc_is_LC_HBA(phba->pcidev->device))
169                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
170                                                 sizeof (phba->RandomData));
171
172         /* Get the default values for Model Name and Description */
173         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
174
175         /* Get adapter VPD information */
176         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
177         if (!pmb->context2)
178                 goto out_free_mbox;
179         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
180         if (!lpfc_vpd_data)
181                 goto out_free_context2;
182
183         do {
184                 lpfc_dump_mem(phba, pmb, offset);
185                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
186
187                 if (rc != MBX_SUCCESS) {
188                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
189                                         "%d:0441 VPD not present on adapter, "
190                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
191                                         phba->brd_no,
192                                         mb->mbxCommand, mb->mbxStatus);
193                         kfree(lpfc_vpd_data);
194                         lpfc_vpd_data = NULL;
195                         break;
196                 }
197
198                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
199                                                         mb->un.varDmp.word_cnt);
200                 offset += mb->un.varDmp.word_cnt;
201         } while (mb->un.varDmp.word_cnt);
202         lpfc_parse_vpd(phba, lpfc_vpd_data);
203
204         kfree(lpfc_vpd_data);
205 out_free_context2:
206         kfree(pmb->context2);
207 out_free_mbox:
208         mempool_free(pmb, phba->mbox_mem_pool);
209         return 0;
210 }
211
212 /************************************************************************/
213 /*                                                                      */
214 /*    lpfc_config_port_post                                             */
215 /*    This routine will do LPFC initialization after the                */
216 /*    CONFIG_PORT mailbox command. This will be initialized             */
217 /*    as a SLI layer callback routine.                                  */
218 /*    This routine returns 0 on success. Any other return value         */
219 /*    indicates an error.                                               */
220 /*                                                                      */
221 /************************************************************************/
222 int
223 lpfc_config_port_post(struct lpfc_hba * phba)
224 {
225         LPFC_MBOXQ_t *pmb;
226         MAILBOX_t *mb;
227         struct lpfc_dmabuf *mp;
228         struct lpfc_sli *psli = &phba->sli;
229         uint32_t status, timeout;
230         int i, j, rc;
231
232         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
233         if (!pmb) {
234                 phba->hba_state = LPFC_HBA_ERROR;
235                 return -ENOMEM;
236         }
237         mb = &pmb->mb;
238
239         lpfc_config_link(phba, pmb);
240         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
241         if (rc != MBX_SUCCESS) {
242                 lpfc_printf_log(phba,
243                                 KERN_ERR,
244                                 LOG_INIT,
245                                 "%d:0447 Adapter failed init, mbxCmd x%x "
246                                 "CONFIG_LINK mbxStatus x%x\n",
247                                 phba->brd_no,
248                                 mb->mbxCommand, mb->mbxStatus);
249                 phba->hba_state = LPFC_HBA_ERROR;
250                 mempool_free( pmb, phba->mbox_mem_pool);
251                 return -EIO;
252         }
253
254         /* Get login parameters for NID.  */
255         lpfc_read_sparam(phba, pmb);
256         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
257                 lpfc_printf_log(phba,
258                                 KERN_ERR,
259                                 LOG_INIT,
260                                 "%d:0448 Adapter failed init, mbxCmd x%x "
261                                 "READ_SPARM mbxStatus x%x\n",
262                                 phba->brd_no,
263                                 mb->mbxCommand, mb->mbxStatus);
264                 phba->hba_state = LPFC_HBA_ERROR;
265                 mp = (struct lpfc_dmabuf *) pmb->context1;
266                 mempool_free( pmb, phba->mbox_mem_pool);
267                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
268                 kfree(mp);
269                 return -EIO;
270         }
271
272         mp = (struct lpfc_dmabuf *) pmb->context1;
273
274         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
275         lpfc_mbuf_free(phba, mp->virt, mp->phys);
276         kfree(mp);
277         pmb->context1 = NULL;
278
279         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
280                sizeof (struct lpfc_name));
281         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
282                sizeof (struct lpfc_name));
283         /* If no serial number in VPD data, use low 6 bytes of WWNN */
284         /* This should be consolidated into parse_vpd ? - mr */
285         if (phba->SerialNumber[0] == 0) {
286                 uint8_t *outptr;
287
288                 outptr = &phba->fc_nodename.u.s.IEEE[0];
289                 for (i = 0; i < 12; i++) {
290                         status = *outptr++;
291                         j = ((status & 0xf0) >> 4);
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                         i++;
299                         j = (status & 0xf);
300                         if (j <= 9)
301                                 phba->SerialNumber[i] =
302                                     (char)((uint8_t) 0x30 + (uint8_t) j);
303                         else
304                                 phba->SerialNumber[i] =
305                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
306                 }
307         }
308
309         /* This should turn on DELAYED ABTS for ELS timeouts */
310         lpfc_set_slim(phba, pmb, 0x052198, 0x1);
311         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
312                 phba->hba_state = LPFC_HBA_ERROR;
313                 mempool_free( pmb, phba->mbox_mem_pool);
314                 return -EIO;
315         }
316
317
318         lpfc_read_config(phba, pmb);
319         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
320                 lpfc_printf_log(phba,
321                                 KERN_ERR,
322                                 LOG_INIT,
323                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
324                                 "READ_CONFIG, mbxStatus x%x\n",
325                                 phba->brd_no,
326                                 mb->mbxCommand, mb->mbxStatus);
327                 phba->hba_state = LPFC_HBA_ERROR;
328                 mempool_free( pmb, phba->mbox_mem_pool);
329                 return -EIO;
330         }
331
332         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
333         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
334                 phba->cfg_hba_queue_depth =
335                         mb->un.varRdConfig.max_xri + 1;
336
337         phba->lmt = mb->un.varRdConfig.lmt;
338         /* HBA is not 4GB capable, or HBA is not 2GB capable,
339         don't let link speed ask for it */
340         if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
341                 (phba->cfg_link_speed > LINK_SPEED_2G)) ||
342                 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
343                 (phba->cfg_link_speed > LINK_SPEED_1G))) {
344                 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
345                 lpfc_printf_log(phba,
346                         KERN_WARNING,
347                         LOG_LINK_EVENT,
348                         "%d:1302 Invalid speed for this board: "
349                         "Reset link speed to auto: x%x\n",
350                         phba->brd_no,
351                         phba->cfg_link_speed);
352                         phba->cfg_link_speed = LINK_SPEED_AUTO;
353         }
354
355         phba->hba_state = LPFC_LINK_DOWN;
356
357         /* Only process IOCBs on ring 0 till hba_state is READY */
358         if (psli->ring[psli->ip_ring].cmdringaddr)
359                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
360         if (psli->ring[psli->fcp_ring].cmdringaddr)
361                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
362         if (psli->ring[psli->next_ring].cmdringaddr)
363                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
364
365         /* Post receive buffers for desired rings */
366         lpfc_post_rcv_buf(phba);
367
368         /* Enable appropriate host interrupts */
369         spin_lock_irq(phba->host->host_lock);
370         status = readl(phba->HCregaddr);
371         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
372         if (psli->num_rings > 0)
373                 status |= HC_R0INT_ENA;
374         if (psli->num_rings > 1)
375                 status |= HC_R1INT_ENA;
376         if (psli->num_rings > 2)
377                 status |= HC_R2INT_ENA;
378         if (psli->num_rings > 3)
379                 status |= HC_R3INT_ENA;
380
381         writel(status, phba->HCregaddr);
382         readl(phba->HCregaddr); /* flush */
383         spin_unlock_irq(phba->host->host_lock);
384
385         /*
386          * Setup the ring 0 (els)  timeout handler
387          */
388         timeout = phba->fc_ratov << 1;
389         phba->els_tmofunc.expires = jiffies + HZ * timeout;
390         add_timer(&phba->els_tmofunc);
391
392         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
393         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
394         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
395                 lpfc_printf_log(phba,
396                                 KERN_ERR,
397                                 LOG_INIT,
398                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
399                                 "INIT_LINK, mbxStatus x%x\n",
400                                 phba->brd_no,
401                                 mb->mbxCommand, mb->mbxStatus);
402
403                 /* Clear all interrupt enable conditions */
404                 writel(0, phba->HCregaddr);
405                 readl(phba->HCregaddr); /* flush */
406                 /* Clear all pending interrupts */
407                 writel(0xffffffff, phba->HAregaddr);
408                 readl(phba->HAregaddr); /* flush */
409
410                 phba->hba_state = LPFC_HBA_ERROR;
411                 mempool_free(pmb, phba->mbox_mem_pool);
412                 return -EIO;
413         }
414         /* MBOX buffer will be freed in mbox compl */
415
416         i = 0;
417         while ((phba->hba_state != LPFC_HBA_READY) ||
418                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
419                ((phba->fc_map_cnt == 0) && (i<2)) ||
420                (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
421                 /* Check every second for 30 retries. */
422                 i++;
423                 if (i > 30) {
424                         break;
425                 }
426                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
427                         /* The link is down.  Set linkdown timeout */
428                         break;
429                 }
430
431                 /* Delay for 1 second to give discovery time to complete. */
432                 msleep(1000);
433
434         }
435
436         /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
437          * any potential PRLIs to flush thru the SLI sub-system.
438          */
439         msleep(50);
440
441         return (0);
442 }
443
444 /************************************************************************/
445 /*                                                                      */
446 /*    lpfc_hba_down_prep                                                */
447 /*    This routine will do LPFC uninitialization before the             */
448 /*    HBA is reset when bringing down the SLI Layer. This will be       */
449 /*    initialized as a SLI layer callback routine.                      */
450 /*    This routine returns 0 on success. Any other return value         */
451 /*    indicates an error.                                               */
452 /*                                                                      */
453 /************************************************************************/
454 int
455 lpfc_hba_down_prep(struct lpfc_hba * phba)
456 {
457         /* Disable interrupts */
458         writel(0, phba->HCregaddr);
459         readl(phba->HCregaddr); /* flush */
460
461         /* Cleanup potential discovery resources */
462         lpfc_els_flush_rscn(phba);
463         lpfc_els_flush_cmd(phba);
464         lpfc_disc_flush_list(phba);
465
466         return (0);
467 }
468
469 /************************************************************************/
470 /*                                                                      */
471 /*    lpfc_handle_eratt                                                 */
472 /*    This routine will handle processing a Host Attention              */
473 /*    Error Status event. This will be initialized                      */
474 /*    as a SLI layer callback routine.                                  */
475 /*                                                                      */
476 /************************************************************************/
477 void
478 lpfc_handle_eratt(struct lpfc_hba * phba)
479 {
480         struct lpfc_sli *psli = &phba->sli;
481         struct lpfc_sli_ring  *pring;
482
483         /*
484          * If a reset is sent to the HBA restore PCI configuration registers.
485          */
486         if ( phba->hba_state == LPFC_INIT_START ) {
487                 mdelay(1);
488                 readl(phba->HCregaddr); /* flush */
489                 writel(0, phba->HCregaddr);
490                 readl(phba->HCregaddr); /* flush */
491
492                 /* Restore PCI cmd register */
493                 pci_write_config_word(phba->pcidev,
494                                       PCI_COMMAND, phba->pci_cfg_value);
495         }
496
497         if (phba->work_hs & HS_FFER6) {
498                 /* Re-establishing Link */
499                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
500                                 "%d:1301 Re-establishing Link "
501                                 "Data: x%x x%x x%x\n",
502                                 phba->brd_no, phba->work_hs,
503                                 phba->work_status[0], phba->work_status[1]);
504                 spin_lock_irq(phba->host->host_lock);
505                 phba->fc_flag |= FC_ESTABLISH_LINK;
506                 spin_unlock_irq(phba->host->host_lock);
507
508                 /*
509                 * Firmware stops when it triggled erratt with HS_FFER6.
510                 * That could cause the I/Os dropped by the firmware.
511                 * Error iocb (I/O) on txcmplq and let the SCSI layer
512                 * retry it after re-establishing link.
513                 */
514                 pring = &psli->ring[psli->fcp_ring];
515                 lpfc_sli_abort_iocb_ring(phba, pring);
516
517
518                 /*
519                  * There was a firmware error.  Take the hba offline and then
520                  * attempt to restart it.
521                  */
522                 lpfc_offline(phba);
523                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
524                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
525                         return;
526                 }
527         } else {
528                 /* The if clause above forces this code path when the status
529                  * failure is a value other than FFER6.  Do not call the offline
530                  *  twice. This is the adapter hardware error path.
531                  */
532                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
533                                 "%d:0457 Adapter Hardware Error "
534                                 "Data: x%x x%x x%x\n",
535                                 phba->brd_no, phba->work_hs,
536                                 phba->work_status[0], phba->work_status[1]);
537
538                 lpfc_offline(phba);
539
540                 /*
541                  * Restart all traffic to this host.  Since the fc_transport
542                  * block functions (future) were not called in lpfc_offline,
543                  * don't call them here.
544                  */
545                 scsi_unblock_requests(phba->host);
546         }
547 }
548
549 /************************************************************************/
550 /*                                                                      */
551 /*    lpfc_handle_latt                                                  */
552 /*    This routine will handle processing a Host Attention              */
553 /*    Link Status event. This will be initialized                       */
554 /*    as a SLI layer callback routine.                                  */
555 /*                                                                      */
556 /************************************************************************/
557 void
558 lpfc_handle_latt(struct lpfc_hba * phba)
559 {
560         struct lpfc_sli *psli = &phba->sli;
561         LPFC_MBOXQ_t *pmb;
562         volatile uint32_t control;
563         struct lpfc_dmabuf *mp;
564         int rc = -ENOMEM;
565
566         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
567         if (!pmb)
568                 goto lpfc_handle_latt_err_exit;
569
570         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
571         if (!mp)
572                 goto lpfc_handle_latt_free_pmb;
573
574         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
575         if (!mp->virt)
576                 goto lpfc_handle_latt_free_mp;
577
578         rc = -EIO;
579
580
581         psli->slistat.link_event++;
582         lpfc_read_la(phba, pmb, mp);
583         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
584         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
585         if (rc == MBX_NOT_FINISHED)
586                 goto lpfc_handle_latt_free_mp;
587
588         /* Clear Link Attention in HA REG */
589         spin_lock_irq(phba->host->host_lock);
590         writel(HA_LATT, phba->HAregaddr);
591         readl(phba->HAregaddr); /* flush */
592         spin_unlock_irq(phba->host->host_lock);
593
594         return;
595
596 lpfc_handle_latt_free_mp:
597         kfree(mp);
598 lpfc_handle_latt_free_pmb:
599         kfree(pmb);
600 lpfc_handle_latt_err_exit:
601         /* Enable Link attention interrupts */
602         spin_lock_irq(phba->host->host_lock);
603         psli->sli_flag |= LPFC_PROCESS_LA;
604         control = readl(phba->HCregaddr);
605         control |= HC_LAINT_ENA;
606         writel(control, phba->HCregaddr);
607         readl(phba->HCregaddr); /* flush */
608
609         /* Clear Link Attention in HA REG */
610         writel(HA_LATT, phba->HAregaddr);
611         readl(phba->HAregaddr); /* flush */
612         spin_unlock_irq(phba->host->host_lock);
613         lpfc_linkdown(phba);
614         phba->hba_state = LPFC_HBA_ERROR;
615
616         /* The other case is an error from issue_mbox */
617         if (rc == -ENOMEM)
618                 lpfc_printf_log(phba,
619                                 KERN_WARNING,
620                                 LOG_MBOX,
621                                 "%d:0300 READ_LA: no buffers\n",
622                                 phba->brd_no);
623
624         return;
625 }
626
627 /************************************************************************/
628 /*                                                                      */
629 /*   lpfc_parse_vpd                                                     */
630 /*   This routine will parse the VPD data                               */
631 /*                                                                      */
632 /************************************************************************/
633 static int
634 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
635 {
636         uint8_t lenlo, lenhi;
637         uint32_t Length;
638         int i, j;
639         int finished = 0;
640         int index = 0;
641
642         if (!vpd)
643                 return 0;
644
645         /* Vital Product */
646         lpfc_printf_log(phba,
647                         KERN_INFO,
648                         LOG_INIT,
649                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
650                         phba->brd_no,
651                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
652                         (uint32_t) vpd[3]);
653         do {
654                 switch (vpd[index]) {
655                 case 0x82:
656                         index += 1;
657                         lenlo = vpd[index];
658                         index += 1;
659                         lenhi = vpd[index];
660                         index += 1;
661                         i = ((((unsigned short)lenhi) << 8) + lenlo);
662                         index += i;
663                         break;
664                 case 0x90:
665                         index += 1;
666                         lenlo = vpd[index];
667                         index += 1;
668                         lenhi = vpd[index];
669                         index += 1;
670                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
671
672                         while (Length > 0) {
673                         /* Look for Serial Number */
674                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
675                                 index += 2;
676                                 i = vpd[index];
677                                 index += 1;
678                                 j = 0;
679                                 Length -= (3+i);
680                                 while(i--) {
681                                         phba->SerialNumber[j++] = vpd[index++];
682                                         if (j == 31)
683                                                 break;
684                                 }
685                                 phba->SerialNumber[j] = 0;
686                                 continue;
687                         }
688                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
689                                 phba->vpd_flag |= VPD_MODEL_DESC;
690                                 index += 2;
691                                 i = vpd[index];
692                                 index += 1;
693                                 j = 0;
694                                 Length -= (3+i);
695                                 while(i--) {
696                                         phba->ModelDesc[j++] = vpd[index++];
697                                         if (j == 255)
698                                                 break;
699                                 }
700                                 phba->ModelDesc[j] = 0;
701                                 continue;
702                         }
703                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
704                                 phba->vpd_flag |= VPD_MODEL_NAME;
705                                 index += 2;
706                                 i = vpd[index];
707                                 index += 1;
708                                 j = 0;
709                                 Length -= (3+i);
710                                 while(i--) {
711                                         phba->ModelName[j++] = vpd[index++];
712                                         if (j == 79)
713                                                 break;
714                                 }
715                                 phba->ModelName[j] = 0;
716                                 continue;
717                         }
718                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
719                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
720                                 index += 2;
721                                 i = vpd[index];
722                                 index += 1;
723                                 j = 0;
724                                 Length -= (3+i);
725                                 while(i--) {
726                                         phba->ProgramType[j++] = vpd[index++];
727                                         if (j == 255)
728                                                 break;
729                                 }
730                                 phba->ProgramType[j] = 0;
731                                 continue;
732                         }
733                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
734                                 phba->vpd_flag |= VPD_PORT;
735                                 index += 2;
736                                 i = vpd[index];
737                                 index += 1;
738                                 j = 0;
739                                 Length -= (3+i);
740                                 while(i--) {
741                                 phba->Port[j++] = vpd[index++];
742                                 if (j == 19)
743                                         break;
744                                 }
745                                 phba->Port[j] = 0;
746                                 continue;
747                         }
748                         else {
749                                 index += 2;
750                                 i = vpd[index];
751                                 index += 1;
752                                 index += i;
753                                 Length -= (3 + i);
754                         }
755                 }
756                 finished = 0;
757                 break;
758                 case 0x78:
759                         finished = 1;
760                         break;
761                 default:
762                         index ++;
763                         break;
764                 }
765         } while (!finished && (index < 108));
766
767         return(1);
768 }
769
770 static void
771 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
772 {
773         lpfc_vpd_t *vp;
774         uint32_t id;
775         char str[16];
776
777         vp = &phba->vpd;
778         pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
779
780         switch ((id >> 16) & 0xffff) {
781         case PCI_DEVICE_ID_FIREFLY:
782                 strcpy(str, "LP6000 1");
783                 break;
784         case PCI_DEVICE_ID_SUPERFLY:
785                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
786                         strcpy(str, "LP7000 1");
787                 else
788                         strcpy(str, "LP7000E 1");
789                 break;
790         case PCI_DEVICE_ID_DRAGONFLY:
791                 strcpy(str, "LP8000 1");
792                 break;
793         case PCI_DEVICE_ID_CENTAUR:
794                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
795                         strcpy(str, "LP9002 2");
796                 else
797                         strcpy(str, "LP9000 1");
798                 break;
799         case PCI_DEVICE_ID_RFLY:
800                 strcpy(str, "LP952 2");
801                 break;
802         case PCI_DEVICE_ID_PEGASUS:
803                 strcpy(str, "LP9802 2");
804                 break;
805         case PCI_DEVICE_ID_THOR:
806                 strcpy(str, "LP10000 2");
807                 break;
808         case PCI_DEVICE_ID_VIPER:
809                 strcpy(str, "LPX1000 10");
810                 break;
811         case PCI_DEVICE_ID_PFLY:
812                 strcpy(str, "LP982 2");
813                 break;
814         case PCI_DEVICE_ID_TFLY:
815                 strcpy(str, "LP1050 2");
816                 break;
817         case PCI_DEVICE_ID_HELIOS:
818                 strcpy(str, "LP11000 4");
819                 break;
820         case PCI_DEVICE_ID_BMID:
821                 strcpy(str, "LP1150 4");
822                 break;
823         case PCI_DEVICE_ID_BSMB:
824                 strcpy(str, "LP111 4");
825                 break;
826         case PCI_DEVICE_ID_ZEPHYR:
827                 strcpy(str, "LP11000e 4");
828                 break;
829         case PCI_DEVICE_ID_ZMID:
830                 strcpy(str, "LP1150e 4");
831                 break;
832         case PCI_DEVICE_ID_ZSMB:
833                 strcpy(str, "LP111e 4");
834                 break;
835         case PCI_DEVICE_ID_LP101:
836                 strcpy(str, "LP101 2");
837                 break;
838         case PCI_DEVICE_ID_LP10000S:
839                 strcpy(str, "LP10000-S 2");
840                 break;
841         default:
842                 memset(str, 0, 16);
843                 break;
844         }
845         if (mdp)
846                 sscanf(str, "%s", mdp);
847         if (descp)
848                 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
849                         "Channel Adapter", str);
850 }
851
852 /**************************************************/
853 /*   lpfc_post_buffer                             */
854 /*                                                */
855 /*   This routine will post count buffers to the  */
856 /*   ring with the QUE_RING_BUF_CN command. This  */
857 /*   allows 3 buffers / command to be posted.     */
858 /*   Returns the number of buffers NOT posted.    */
859 /**************************************************/
860 int
861 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
862                  int type)
863 {
864         IOCB_t *icmd;
865         struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
866         struct lpfc_iocbq *iocb = NULL;
867         struct lpfc_dmabuf *mp1, *mp2;
868
869         cnt += pring->missbufcnt;
870
871         /* While there are buffers to post */
872         while (cnt > 0) {
873                 /* Allocate buffer for  command iocb */
874                 spin_lock_irq(phba->host->host_lock);
875                 list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list);
876                 spin_unlock_irq(phba->host->host_lock);
877                 if (iocb == NULL) {
878                         pring->missbufcnt = cnt;
879                         return cnt;
880                 }
881                 memset(iocb, 0, sizeof (struct lpfc_iocbq));
882                 icmd = &iocb->iocb;
883
884                 /* 2 buffers can be posted per command */
885                 /* Allocate buffer to post */
886                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
887                 if (mp1)
888                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
889                                                 &mp1->phys);
890                 if (mp1 == 0 || mp1->virt == 0) {
891                         if (mp1)
892                                 kfree(mp1);
893                         spin_lock_irq(phba->host->host_lock);
894                         list_add_tail(&iocb->list, lpfc_iocb_list);
895                         spin_unlock_irq(phba->host->host_lock);
896                         pring->missbufcnt = cnt;
897                         return cnt;
898                 }
899
900                 INIT_LIST_HEAD(&mp1->list);
901                 /* Allocate buffer to post */
902                 if (cnt > 1) {
903                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
904                         if (mp2)
905                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
906                                                             &mp2->phys);
907                         if (mp2 == 0 || mp2->virt == 0) {
908                                 if (mp2)
909                                         kfree(mp2);
910                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
911                                 kfree(mp1);
912                                 spin_lock_irq(phba->host->host_lock);
913                                 list_add_tail(&iocb->list, lpfc_iocb_list);
914                                 spin_unlock_irq(phba->host->host_lock);
915                                 pring->missbufcnt = cnt;
916                                 return cnt;
917                         }
918
919                         INIT_LIST_HEAD(&mp2->list);
920                 } else {
921                         mp2 = NULL;
922                 }
923
924                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
925                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
926                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
927                 icmd->ulpBdeCount = 1;
928                 cnt--;
929                 if (mp2) {
930                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
931                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
932                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
933                         cnt--;
934                         icmd->ulpBdeCount = 2;
935                 }
936
937                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
938                 icmd->ulpLe = 1;
939
940                 spin_lock_irq(phba->host->host_lock);
941                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
942                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
943                         kfree(mp1);
944                         cnt++;
945                         if (mp2) {
946                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
947                                 kfree(mp2);
948                                 cnt++;
949                         }
950                         list_add_tail(&iocb->list, lpfc_iocb_list);
951                         pring->missbufcnt = cnt;
952                         spin_unlock_irq(phba->host->host_lock);
953                         return cnt;
954                 }
955                 spin_unlock_irq(phba->host->host_lock);
956                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
957                 if (mp2) {
958                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
959                 }
960         }
961         pring->missbufcnt = 0;
962         return 0;
963 }
964
965 /************************************************************************/
966 /*                                                                      */
967 /*   lpfc_post_rcv_buf                                                  */
968 /*   This routine post initial rcv buffers to the configured rings      */
969 /*                                                                      */
970 /************************************************************************/
971 static int
972 lpfc_post_rcv_buf(struct lpfc_hba * phba)
973 {
974         struct lpfc_sli *psli = &phba->sli;
975
976         /* Ring 0, ELS / CT buffers */
977         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
978         /* Ring 2 - FCP no buffers needed */
979
980         return 0;
981 }
982
983 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
984
985 /************************************************************************/
986 /*                                                                      */
987 /*   lpfc_sha_init                                                      */
988 /*                                                                      */
989 /************************************************************************/
990 static void
991 lpfc_sha_init(uint32_t * HashResultPointer)
992 {
993         HashResultPointer[0] = 0x67452301;
994         HashResultPointer[1] = 0xEFCDAB89;
995         HashResultPointer[2] = 0x98BADCFE;
996         HashResultPointer[3] = 0x10325476;
997         HashResultPointer[4] = 0xC3D2E1F0;
998 }
999
1000 /************************************************************************/
1001 /*                                                                      */
1002 /*   lpfc_sha_iterate                                                   */
1003 /*                                                                      */
1004 /************************************************************************/
1005 static void
1006 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1007 {
1008         int t;
1009         uint32_t TEMP;
1010         uint32_t A, B, C, D, E;
1011         t = 16;
1012         do {
1013                 HashWorkingPointer[t] =
1014                     S(1,
1015                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1016                                                                      8] ^
1017                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1018         } while (++t <= 79);
1019         t = 0;
1020         A = HashResultPointer[0];
1021         B = HashResultPointer[1];
1022         C = HashResultPointer[2];
1023         D = HashResultPointer[3];
1024         E = HashResultPointer[4];
1025
1026         do {
1027                 if (t < 20) {
1028                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1029                 } else if (t < 40) {
1030                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1031                 } else if (t < 60) {
1032                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1033                 } else {
1034                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1035                 }
1036                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1037                 E = D;
1038                 D = C;
1039                 C = S(30, B);
1040                 B = A;
1041                 A = TEMP;
1042         } while (++t <= 79);
1043
1044         HashResultPointer[0] += A;
1045         HashResultPointer[1] += B;
1046         HashResultPointer[2] += C;
1047         HashResultPointer[3] += D;
1048         HashResultPointer[4] += E;
1049
1050 }
1051
1052 /************************************************************************/
1053 /*                                                                      */
1054 /*   lpfc_challenge_key                                                 */
1055 /*                                                                      */
1056 /************************************************************************/
1057 static void
1058 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1059 {
1060         *HashWorking = (*RandomChallenge ^ *HashWorking);
1061 }
1062
1063 /************************************************************************/
1064 /*                                                                      */
1065 /*   lpfc_hba_init                                                      */
1066 /*                                                                      */
1067 /************************************************************************/
1068 void
1069 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1070 {
1071         int t;
1072         uint32_t *HashWorking;
1073         uint32_t *pwwnn = phba->wwnn;
1074
1075         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1076         if (!HashWorking)
1077                 return;
1078
1079         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1080         HashWorking[0] = HashWorking[78] = *pwwnn++;
1081         HashWorking[1] = HashWorking[79] = *pwwnn;
1082
1083         for (t = 0; t < 7; t++)
1084                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1085
1086         lpfc_sha_init(hbainit);
1087         lpfc_sha_iterate(hbainit, HashWorking);
1088         kfree(HashWorking);
1089 }
1090
1091 static void
1092 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1093 {
1094         struct lpfc_nodelist *ndlp, *next_ndlp;
1095
1096         /* clean up phba - lpfc specific */
1097         lpfc_can_disctmo(phba);
1098         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1099                                 nlp_listp) {
1100                 lpfc_nlp_remove(phba, ndlp);
1101         }
1102
1103         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1104                                  nlp_listp) {
1105                 lpfc_nlp_remove(phba, ndlp);
1106         }
1107
1108         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1109                                 nlp_listp) {
1110                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1111         }
1112
1113         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1114                                 nlp_listp) {
1115                 lpfc_nlp_remove(phba, ndlp);
1116         }
1117
1118         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1119                                 nlp_listp) {
1120                 lpfc_nlp_remove(phba, ndlp);
1121         }
1122
1123         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1124                                 nlp_listp) {
1125                 lpfc_nlp_remove(phba, ndlp);
1126         }
1127
1128         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1129                                 nlp_listp) {
1130                 lpfc_nlp_remove(phba, ndlp);
1131         }
1132
1133         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1134                                 nlp_listp) {
1135                 lpfc_nlp_remove(phba, ndlp);
1136         }
1137
1138         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1139         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1140         INIT_LIST_HEAD(&phba->fc_unused_list);
1141         INIT_LIST_HEAD(&phba->fc_plogi_list);
1142         INIT_LIST_HEAD(&phba->fc_adisc_list);
1143         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1144         INIT_LIST_HEAD(&phba->fc_prli_list);
1145         INIT_LIST_HEAD(&phba->fc_npr_list);
1146
1147         phba->fc_map_cnt   = 0;
1148         phba->fc_unmap_cnt = 0;
1149         phba->fc_plogi_cnt = 0;
1150         phba->fc_adisc_cnt = 0;
1151         phba->fc_reglogin_cnt = 0;
1152         phba->fc_prli_cnt  = 0;
1153         phba->fc_npr_cnt   = 0;
1154         phba->fc_unused_cnt= 0;
1155         return;
1156 }
1157
1158 static void
1159 lpfc_establish_link_tmo(unsigned long ptr)
1160 {
1161         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1162         unsigned long iflag;
1163
1164
1165         /* Re-establishing Link, timer expired */
1166         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1167                         "%d:1300 Re-establishing Link, timer expired "
1168                         "Data: x%x x%x\n",
1169                         phba->brd_no, phba->fc_flag, phba->hba_state);
1170         spin_lock_irqsave(phba->host->host_lock, iflag);
1171         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1172         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1173 }
1174
1175 static int
1176 lpfc_stop_timer(struct lpfc_hba * phba)
1177 {
1178         struct lpfc_sli *psli = &phba->sli;
1179
1180         /* Instead of a timer, this has been converted to a
1181          * deferred procedding list.
1182          */
1183         while (!list_empty(&phba->freebufList)) {
1184
1185                 struct lpfc_dmabuf *mp = NULL;
1186
1187                 list_remove_head((&phba->freebufList), mp,
1188                                  struct lpfc_dmabuf, list);
1189                 if (mp) {
1190                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1191                         kfree(mp);
1192                 }
1193         }
1194
1195         del_timer_sync(&phba->fc_estabtmo);
1196         del_timer_sync(&phba->fc_disctmo);
1197         del_timer_sync(&phba->fc_fdmitmo);
1198         del_timer_sync(&phba->els_tmofunc);
1199         psli = &phba->sli;
1200         del_timer_sync(&psli->mbox_tmo);
1201         return(1);
1202 }
1203
1204 int
1205 lpfc_online(struct lpfc_hba * phba)
1206 {
1207         if (!phba)
1208                 return 0;
1209
1210         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1211                 return 0;
1212
1213         lpfc_printf_log(phba,
1214                        KERN_WARNING,
1215                        LOG_INIT,
1216                        "%d:0458 Bring Adapter online\n",
1217                        phba->brd_no);
1218
1219         if (!lpfc_sli_queue_setup(phba))
1220                 return 1;
1221
1222         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1223                 return 1;
1224
1225         spin_lock_irq(phba->host->host_lock);
1226         phba->fc_flag &= ~FC_OFFLINE_MODE;
1227         spin_unlock_irq(phba->host->host_lock);
1228
1229         /*
1230          * Restart all traffic to this host.  Since the fc_transport block
1231          * functions (future) were not called in lpfc_offline, don't call them
1232          * here.
1233          */
1234         scsi_unblock_requests(phba->host);
1235         return 0;
1236 }
1237
1238 int
1239 lpfc_offline(struct lpfc_hba * phba)
1240 {
1241         struct lpfc_sli_ring *pring;
1242         struct lpfc_sli *psli;
1243         unsigned long iflag;
1244         int i = 0;
1245
1246         if (!phba)
1247                 return 0;
1248
1249         if (phba->fc_flag & FC_OFFLINE_MODE)
1250                 return 0;
1251
1252         /*
1253          * Don't call the fc_transport block api (future).  The device is
1254          * going offline and causing a timer to fire in the midlayer is
1255          * unproductive.  Just block all new requests until the driver
1256          * comes back online.
1257          */
1258         scsi_block_requests(phba->host);
1259         psli = &phba->sli;
1260         pring = &psli->ring[psli->fcp_ring];
1261
1262         lpfc_linkdown(phba);
1263
1264         /* The linkdown event takes 30 seconds to timeout. */
1265         while (pring->txcmplq_cnt) {
1266                 mdelay(10);
1267                 if (i++ > 3000)
1268                         break;
1269         }
1270
1271         /* stop all timers associated with this hba */
1272         lpfc_stop_timer(phba);
1273         phba->work_hba_events = 0;
1274
1275         lpfc_printf_log(phba,
1276                        KERN_WARNING,
1277                        LOG_INIT,
1278                        "%d:0460 Bring Adapter offline\n",
1279                        phba->brd_no);
1280
1281         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1282            now.  */
1283         lpfc_sli_hba_down(phba);
1284         lpfc_cleanup(phba, 1);
1285         spin_lock_irqsave(phba->host->host_lock, iflag);
1286         phba->fc_flag |= FC_OFFLINE_MODE;
1287         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1288         return 0;
1289 }
1290
1291 /******************************************************************************
1292 * Function name: lpfc_scsi_free
1293 *
1294 * Description: Called from lpfc_pci_remove_one free internal driver resources
1295 *
1296 ******************************************************************************/
1297 static int
1298 lpfc_scsi_free(struct lpfc_hba * phba)
1299 {
1300         struct lpfc_scsi_buf *sb, *sb_next;
1301         struct lpfc_iocbq *io, *io_next;
1302
1303         spin_lock_irq(phba->host->host_lock);
1304         /* Release all the lpfc_scsi_bufs maintained by this host. */
1305         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1306                 list_del(&sb->list);
1307                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1308                                                                 sb->dma_handle);
1309                 kfree(sb);
1310                 phba->total_scsi_bufs--;
1311         }
1312
1313         /* Release all the lpfc_iocbq entries maintained by this host. */
1314         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1315                 list_del(&io->list);
1316                 kfree(io);
1317                 phba->total_iocbq_bufs--;
1318         }
1319
1320         spin_unlock_irq(phba->host->host_lock);
1321
1322         return 0;
1323 }
1324
1325
1326 static int __devinit
1327 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1328 {
1329         struct Scsi_Host *host;
1330         struct lpfc_hba  *phba;
1331         struct lpfc_sli  *psli;
1332         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1333         unsigned long bar0map_len, bar2map_len;
1334         int error = -ENODEV, retval;
1335         int i;
1336
1337         if (pci_enable_device(pdev))
1338                 goto out;
1339         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1340                 goto out_disable_device;
1341
1342         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1343         if (!host)
1344                 goto out_release_regions;
1345
1346         phba = (struct lpfc_hba*)host->hostdata;
1347         memset(phba, 0, sizeof (struct lpfc_hba));
1348         phba->host = host;
1349
1350         phba->fc_flag |= FC_LOADING;
1351         phba->pcidev = pdev;
1352
1353         /* Assign an unused board number */
1354         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1355                 goto out_put_host;
1356
1357         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1358         if (error)
1359                 goto out_put_host;
1360
1361         host->unique_id = phba->brd_no;
1362
1363         INIT_LIST_HEAD(&phba->ctrspbuflist);
1364         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1365         INIT_LIST_HEAD(&phba->freebufList);
1366
1367         /* Initialize timers used by driver */
1368         init_timer(&phba->fc_estabtmo);
1369         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1370         phba->fc_estabtmo.data = (unsigned long)phba;
1371         init_timer(&phba->fc_disctmo);
1372         phba->fc_disctmo.function = lpfc_disc_timeout;
1373         phba->fc_disctmo.data = (unsigned long)phba;
1374
1375         init_timer(&phba->fc_fdmitmo);
1376         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1377         phba->fc_fdmitmo.data = (unsigned long)phba;
1378         init_timer(&phba->els_tmofunc);
1379         phba->els_tmofunc.function = lpfc_els_timeout;
1380         phba->els_tmofunc.data = (unsigned long)phba;
1381         psli = &phba->sli;
1382         init_timer(&psli->mbox_tmo);
1383         psli->mbox_tmo.function = lpfc_mbox_timeout;
1384         psli->mbox_tmo.data = (unsigned long)phba;
1385
1386         /*
1387          * Get all the module params for configuring this host and then
1388          * establish the host parameters.
1389          */
1390         lpfc_get_cfgparam(phba);
1391
1392         host->max_id = LPFC_MAX_TARGET;
1393         host->max_lun = phba->cfg_max_luns;
1394         host->this_id = -1;
1395
1396         /* Initialize all internally managed lists. */
1397         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1398         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1399         INIT_LIST_HEAD(&phba->fc_unused_list);
1400         INIT_LIST_HEAD(&phba->fc_plogi_list);
1401         INIT_LIST_HEAD(&phba->fc_adisc_list);
1402         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1403         INIT_LIST_HEAD(&phba->fc_prli_list);
1404         INIT_LIST_HEAD(&phba->fc_npr_list);
1405
1406
1407         pci_set_master(pdev);
1408         retval = pci_set_mwi(pdev);
1409         if (retval)
1410                 dev_printk(KERN_WARNING, &pdev->dev,
1411                            "Warning: pci_set_mwi returned %d\n", retval);
1412
1413         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1414                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1415                         goto out_idr_remove;
1416
1417         /*
1418          * Get the bus address of Bar0 and Bar2 and the number of bytes
1419          * required by each mapping.
1420          */
1421         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1422         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1423
1424         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1425         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1426
1427         /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1428         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1429         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1430
1431         /* Allocate memory for SLI-2 structures */
1432         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1433                                           &phba->slim2p_mapping, GFP_KERNEL);
1434         if (!phba->slim2p)
1435                 goto out_iounmap;
1436
1437
1438         /* Initialize the SLI Layer to run with lpfc HBAs. */
1439         lpfc_sli_setup(phba);
1440         lpfc_sli_queue_setup(phba);
1441
1442         error = lpfc_mem_alloc(phba);
1443         if (error)
1444                 goto out_free_slim;
1445
1446         /* Initialize and populate the iocb list per host.  */
1447         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1448         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1449                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1450                 if (iocbq_entry == NULL) {
1451                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1452                                 "expected %d count. Unloading driver.\n",
1453                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1454                         error = -ENOMEM;
1455                         goto out_free_iocbq;
1456                 }
1457
1458                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1459                 spin_lock_irq(phba->host->host_lock);
1460                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1461                 phba->total_iocbq_bufs++;
1462                 spin_unlock_irq(phba->host->host_lock);
1463         }
1464
1465         /* Initialize HBA structure */
1466         phba->fc_edtov = FF_DEF_EDTOV;
1467         phba->fc_ratov = FF_DEF_RATOV;
1468         phba->fc_altov = FF_DEF_ALTOV;
1469         phba->fc_arbtov = FF_DEF_ARBTOV;
1470
1471         INIT_LIST_HEAD(&phba->work_list);
1472         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1473         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1474
1475         /* Startup the kernel thread for this host adapter. */
1476         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1477                                        "lpfc_worker_%d", phba->brd_no);
1478         if (IS_ERR(phba->worker_thread)) {
1479                 error = PTR_ERR(phba->worker_thread);
1480                 goto out_free_iocbq;
1481         }
1482
1483         /* We can rely on a queue depth attribute only after SLI HBA setup */
1484         host->can_queue = phba->cfg_hba_queue_depth - 10;
1485
1486         /* Tell the midlayer we support 16 byte commands */
1487         host->max_cmd_len = 16;
1488
1489         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1490         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1491
1492         host->transportt = lpfc_transport_template;
1493         host->hostdata[0] = (unsigned long)phba;
1494         pci_set_drvdata(pdev, host);
1495         error = scsi_add_host(host, &pdev->dev);
1496         if (error)
1497                 goto out_kthread_stop;
1498
1499         error = lpfc_alloc_sysfs_attr(phba);
1500         if (error)
1501                 goto out_kthread_stop;
1502
1503         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1504                                                         LPFC_DRIVER_NAME, phba);
1505         if (error) {
1506                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1507                         "%d:0451 Enable interrupt handler failed\n",
1508                         phba->brd_no);
1509                 goto out_free_sysfs_attr;
1510         }
1511         phba->MBslimaddr = phba->slim_memmap_p;
1512         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1513         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1514         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1515         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1516
1517         error = lpfc_sli_hba_setup(phba);
1518         if (error)
1519                 goto out_free_irq;
1520
1521         /*
1522          * set fixed host attributes
1523          * Must done after lpfc_sli_hba_setup()
1524          */
1525
1526         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1527         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1528         fc_host_supported_classes(host) = FC_COS_CLASS3;
1529
1530         memset(fc_host_supported_fc4s(host), 0,
1531                 sizeof(fc_host_supported_fc4s(host)));
1532         fc_host_supported_fc4s(host)[2] = 1;
1533         fc_host_supported_fc4s(host)[7] = 1;
1534
1535         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1536
1537         fc_host_supported_speeds(host) = 0;
1538         switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
1539         case VIPER_JEDEC_ID:
1540                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1541                 break;
1542         case HELIOS_JEDEC_ID:
1543                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1544                 /* Fall through */
1545         case CENTAUR_2G_JEDEC_ID:
1546         case PEGASUS_JEDEC_ID:
1547         case THOR_JEDEC_ID:
1548                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1549                 /* Fall through */
1550         default:
1551                 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
1552         }
1553
1554         fc_host_maxframe_size(host) =
1555                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1556                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1557
1558         /* This value is also unchanging */
1559         memset(fc_host_active_fc4s(host), 0,
1560                 sizeof(fc_host_active_fc4s(host)));
1561         fc_host_active_fc4s(host)[2] = 1;
1562         fc_host_active_fc4s(host)[7] = 1;
1563
1564         spin_lock_irq(phba->host->host_lock);
1565         phba->fc_flag &= ~FC_LOADING;
1566         spin_unlock_irq(phba->host->host_lock);
1567         return 0;
1568
1569 out_free_irq:
1570         lpfc_stop_timer(phba);
1571         phba->work_hba_events = 0;
1572         free_irq(phba->pcidev->irq, phba);
1573 out_free_sysfs_attr:
1574         lpfc_free_sysfs_attr(phba);
1575 out_kthread_stop:
1576         kthread_stop(phba->worker_thread);
1577 out_free_iocbq:
1578         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1579                                                 &phba->lpfc_iocb_list, list) {
1580                 spin_lock_irq(phba->host->host_lock);
1581                 kfree(iocbq_entry);
1582                 phba->total_iocbq_bufs--;
1583                 spin_unlock_irq(phba->host->host_lock);
1584         }
1585         lpfc_mem_free(phba);
1586 out_free_slim:
1587         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1588                                                         phba->slim2p_mapping);
1589 out_iounmap:
1590         iounmap(phba->ctrl_regs_memmap_p);
1591         iounmap(phba->slim_memmap_p);
1592 out_idr_remove:
1593         idr_remove(&lpfc_hba_index, phba->brd_no);
1594 out_put_host:
1595         scsi_host_put(host);
1596 out_release_regions:
1597         pci_release_regions(pdev);
1598 out_disable_device:
1599         pci_disable_device(pdev);
1600 out:
1601         return error;
1602 }
1603
1604 static void __devexit
1605 lpfc_pci_remove_one(struct pci_dev *pdev)
1606 {
1607         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1608         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata[0];
1609         unsigned long iflag;
1610
1611         lpfc_free_sysfs_attr(phba);
1612
1613         spin_lock_irqsave(phba->host->host_lock, iflag);
1614         phba->fc_flag |= FC_UNLOADING;
1615
1616         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1617
1618         fc_remove_host(phba->host);
1619         scsi_remove_host(phba->host);
1620
1621         kthread_stop(phba->worker_thread);
1622
1623         /*
1624          * Bring down the SLI Layer. This step disable all interrupts,
1625          * clears the rings, discards all mailbox commands, and resets
1626          * the HBA.
1627          */
1628         lpfc_sli_hba_down(phba);
1629
1630         /* Release the irq reservation */
1631         free_irq(phba->pcidev->irq, phba);
1632
1633         lpfc_cleanup(phba, 0);
1634         lpfc_stop_timer(phba);
1635         phba->work_hba_events = 0;
1636
1637         /*
1638          * Call scsi_free before mem_free since scsi bufs are released to their
1639          * corresponding pools here.
1640          */
1641         lpfc_scsi_free(phba);
1642         lpfc_mem_free(phba);
1643
1644         /* Free resources associated with SLI2 interface */
1645         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1646                           phba->slim2p, phba->slim2p_mapping);
1647
1648         /* unmap adapter SLIM and Control Registers */
1649         iounmap(phba->ctrl_regs_memmap_p);
1650         iounmap(phba->slim_memmap_p);
1651
1652         pci_release_regions(phba->pcidev);
1653         pci_disable_device(phba->pcidev);
1654
1655         idr_remove(&lpfc_hba_index, phba->brd_no);
1656         scsi_host_put(phba->host);
1657
1658         pci_set_drvdata(pdev, NULL);
1659 }
1660
1661 static struct pci_device_id lpfc_id_table[] = {
1662         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1663                 PCI_ANY_ID, PCI_ANY_ID, },
1664         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1665                 PCI_ANY_ID, PCI_ANY_ID, },
1666         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1667                 PCI_ANY_ID, PCI_ANY_ID, },
1668         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1669                 PCI_ANY_ID, PCI_ANY_ID, },
1670         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1671                 PCI_ANY_ID, PCI_ANY_ID, },
1672         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1673                 PCI_ANY_ID, PCI_ANY_ID, },
1674         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1675                 PCI_ANY_ID, PCI_ANY_ID, },
1676         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1677                 PCI_ANY_ID, PCI_ANY_ID, },
1678         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1679                 PCI_ANY_ID, PCI_ANY_ID, },
1680         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1681                 PCI_ANY_ID, PCI_ANY_ID, },
1682         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1683                 PCI_ANY_ID, PCI_ANY_ID, },
1684         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1685                 PCI_ANY_ID, PCI_ANY_ID, },
1686         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1687                 PCI_ANY_ID, PCI_ANY_ID, },
1688         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1689                 PCI_ANY_ID, PCI_ANY_ID, },
1690         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1691                 PCI_ANY_ID, PCI_ANY_ID, },
1692         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1693                 PCI_ANY_ID, PCI_ANY_ID, },
1694         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1695                 PCI_ANY_ID, PCI_ANY_ID, },
1696         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1697                 PCI_ANY_ID, PCI_ANY_ID, },
1698         { 0 }
1699 };
1700
1701 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1702
1703 static struct pci_driver lpfc_driver = {
1704         .name           = LPFC_DRIVER_NAME,
1705         .id_table       = lpfc_id_table,
1706         .probe          = lpfc_pci_probe_one,
1707         .remove         = __devexit_p(lpfc_pci_remove_one),
1708 };
1709
1710 static int __init
1711 lpfc_init(void)
1712 {
1713         int error = 0;
1714
1715         printk(LPFC_MODULE_DESC "\n");
1716         printk(LPFC_COPYRIGHT "\n");
1717
1718         lpfc_transport_template =
1719                                 fc_attach_transport(&lpfc_transport_functions);
1720         if (!lpfc_transport_template)
1721                 return -ENOMEM;
1722         error = pci_register_driver(&lpfc_driver);
1723         if (error)
1724                 fc_release_transport(lpfc_transport_template);
1725
1726         return error;
1727 }
1728
1729 static void __exit
1730 lpfc_exit(void)
1731 {
1732         pci_unregister_driver(&lpfc_driver);
1733         fc_release_transport(lpfc_transport_template);
1734 }
1735
1736 module_init(lpfc_init);
1737 module_exit(lpfc_exit);
1738 MODULE_LICENSE("GPL");
1739 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1740 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1741 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);