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iwlwifi: introduce host commands callbacks
[linux/fpc-iii.git] / drivers / scsi / lpfc / lpfc_init.c
blob22843751c2caf1897bd240d514d5e85e3abf0d0d
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
31
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
36
37 #include "lpfc_hw.h"
38 #include "lpfc_sli.h"
39 #include "lpfc_disc.h"
40 #include "lpfc_scsi.h"
41 #include "lpfc.h"
42 #include "lpfc_logmsg.h"
43 #include "lpfc_crtn.h"
44 #include "lpfc_vport.h"
45 #include "lpfc_version.h"
46
47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
50
51 static struct scsi_transport_template *lpfc_transport_template = NULL;
52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
53 static DEFINE_IDR(lpfc_hba_index);
54
55 /************************************************************************/
56 /* */
57 /* lpfc_config_port_prep */
58 /* This routine will do LPFC initialization prior to the */
59 /* CONFIG_PORT mailbox command. This will be initialized */
60 /* as a SLI layer callback routine. */
61 /* This routine returns 0 on success or -ERESTART if it wants */
62 /* the SLI layer to reset the HBA and try again. Any */
63 /* other return value indicates an error. */
64 /* */
65 /************************************************************************/
66 int
67 lpfc_config_port_prep(struct lpfc_hba *phba)
68 {
69 lpfc_vpd_t *vp = &phba->vpd;
70 int i = 0, rc;
71 LPFC_MBOXQ_t *pmb;
72 MAILBOX_t *mb;
73 char *lpfc_vpd_data = NULL;
74 uint16_t offset = 0;
75 static char licensed[56] =
76 "key unlock for use with gnu public licensed code only\0";
77 static int init_key = 1;
78
79 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
80 if (!pmb) {
81 phba->link_state = LPFC_HBA_ERROR;
82 return -ENOMEM;
83 }
84
85 mb = &pmb->mb;
86 phba->link_state = LPFC_INIT_MBX_CMDS;
87
88 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
89 if (init_key) {
90 uint32_t *ptext = (uint32_t *) licensed;
91
92 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
93 *ptext = cpu_to_be32(*ptext);
94 init_key = 0;
95 }
96
97 lpfc_read_nv(phba, pmb);
98 memset((char*)mb->un.varRDnvp.rsvd3, 0,
99 sizeof (mb->un.varRDnvp.rsvd3));
100 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
101 sizeof (licensed));
102
103 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
104
105 if (rc != MBX_SUCCESS) {
106 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
107 "0324 Config Port initialization "
108 "error, mbxCmd x%x READ_NVPARM, "
109 "mbxStatus x%x\n",
110 mb->mbxCommand, mb->mbxStatus);
111 mempool_free(pmb, phba->mbox_mem_pool);
112 return -ERESTART;
113 }
114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
115 sizeof(phba->wwnn));
116 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
117 sizeof(phba->wwpn));
118 }
119
120 phba->sli3_options = 0x0;
121
122 /* Setup and issue mailbox READ REV command */
123 lpfc_read_rev(phba, pmb);
124 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
125 if (rc != MBX_SUCCESS) {
126 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
127 "0439 Adapter failed to init, mbxCmd x%x "
128 "READ_REV, mbxStatus x%x\n",
129 mb->mbxCommand, mb->mbxStatus);
130 mempool_free( pmb, phba->mbox_mem_pool);
131 return -ERESTART;
132 }
133
134
135 /*
136 * The value of rr must be 1 since the driver set the cv field to 1.
137 * This setting requires the FW to set all revision fields.
138 */
139 if (mb->un.varRdRev.rr == 0) {
140 vp->rev.rBit = 0;
141 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
142 "0440 Adapter failed to init, READ_REV has "
143 "missing revision information.\n");
144 mempool_free(pmb, phba->mbox_mem_pool);
145 return -ERESTART;
146 }
147
148 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
149 return -EINVAL;
150
151 /* Save information as VPD data */
152 vp->rev.rBit = 1;
153 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
154 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
155 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
156 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
157 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
158 vp->rev.biuRev = mb->un.varRdRev.biuRev;
159 vp->rev.smRev = mb->un.varRdRev.smRev;
160 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
161 vp->rev.endecRev = mb->un.varRdRev.endecRev;
162 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
163 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
164 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
165 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
166 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
167 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
168
169 /* If the sli feature level is less then 9, we must
170 * tear down all RPIs and VPIs on link down if NPIV
171 * is enabled.
172 */
173 if (vp->rev.feaLevelHigh < 9)
174 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
175
176 if (lpfc_is_LC_HBA(phba->pcidev->device))
177 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
178 sizeof (phba->RandomData));
179
180 /* Get adapter VPD information */
181 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
182 if (!pmb->context2)
183 goto out_free_mbox;
184 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
185 if (!lpfc_vpd_data)
186 goto out_free_context2;
187
188 do {
189 lpfc_dump_mem(phba, pmb, offset);
190 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
191
192 if (rc != MBX_SUCCESS) {
193 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
194 "0441 VPD not present on adapter, "
195 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
196 mb->mbxCommand, mb->mbxStatus);
197 mb->un.varDmp.word_cnt = 0;
198 }
199 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
200 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
201 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
202 mb->un.varDmp.word_cnt);
203 offset += mb->un.varDmp.word_cnt;
204 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
205 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
206
207 kfree(lpfc_vpd_data);
208 out_free_context2:
209 kfree(pmb->context2);
210 out_free_mbox:
211 mempool_free(pmb, phba->mbox_mem_pool);
212 return 0;
213 }
214
215 /* Completion handler for config async event mailbox command. */
216 static void
217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
218 {
219 if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
220 phba->temp_sensor_support = 1;
221 else
222 phba->temp_sensor_support = 0;
223 mempool_free(pmboxq, phba->mbox_mem_pool);
224 return;
225 }
226
227 /************************************************************************/
228 /* */
229 /* lpfc_config_port_post */
230 /* This routine will do LPFC initialization after the */
231 /* CONFIG_PORT mailbox command. This will be initialized */
232 /* as a SLI layer callback routine. */
233 /* This routine returns 0 on success. Any other return value */
234 /* indicates an error. */
235 /* */
236 /************************************************************************/
237 int
238 lpfc_config_port_post(struct lpfc_hba *phba)
239 {
240 struct lpfc_vport *vport = phba->pport;
241 LPFC_MBOXQ_t *pmb;
242 MAILBOX_t *mb;
243 struct lpfc_dmabuf *mp;
244 struct lpfc_sli *psli = &phba->sli;
245 uint32_t status, timeout;
246 int i, j;
247 int rc;
248
249 spin_lock_irq(&phba->hbalock);
250 /*
251 * If the Config port completed correctly the HBA is not
252 * over heated any more.
253 */
254 if (phba->over_temp_state == HBA_OVER_TEMP)
255 phba->over_temp_state = HBA_NORMAL_TEMP;
256 spin_unlock_irq(&phba->hbalock);
257
258 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
259 if (!pmb) {
260 phba->link_state = LPFC_HBA_ERROR;
261 return -ENOMEM;
262 }
263 mb = &pmb->mb;
264
265 /* Get login parameters for NID. */
266 lpfc_read_sparam(phba, pmb, 0);
267 pmb->vport = vport;
268 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
270 "0448 Adapter failed init, mbxCmd x%x "
271 "READ_SPARM mbxStatus x%x\n",
272 mb->mbxCommand, mb->mbxStatus);
273 phba->link_state = LPFC_HBA_ERROR;
274 mp = (struct lpfc_dmabuf *) pmb->context1;
275 mempool_free( pmb, phba->mbox_mem_pool);
276 lpfc_mbuf_free(phba, mp->virt, mp->phys);
277 kfree(mp);
278 return -EIO;
279 }
280
281 mp = (struct lpfc_dmabuf *) pmb->context1;
282
283 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
284 lpfc_mbuf_free(phba, mp->virt, mp->phys);
285 kfree(mp);
286 pmb->context1 = NULL;
287
288 if (phba->cfg_soft_wwnn)
289 u64_to_wwn(phba->cfg_soft_wwnn,
290 vport->fc_sparam.nodeName.u.wwn);
291 if (phba->cfg_soft_wwpn)
292 u64_to_wwn(phba->cfg_soft_wwpn,
293 vport->fc_sparam.portName.u.wwn);
294 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
295 sizeof (struct lpfc_name));
296 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
297 sizeof (struct lpfc_name));
298 /* If no serial number in VPD data, use low 6 bytes of WWNN */
299 /* This should be consolidated into parse_vpd ? - mr */
300 if (phba->SerialNumber[0] == 0) {
301 uint8_t *outptr;
302
303 outptr = &vport->fc_nodename.u.s.IEEE[0];
304 for (i = 0; i < 12; i++) {
305 status = *outptr++;
306 j = ((status & 0xf0) >> 4);
307 if (j <= 9)
308 phba->SerialNumber[i] =
309 (char)((uint8_t) 0x30 + (uint8_t) j);
310 else
311 phba->SerialNumber[i] =
312 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
313 i++;
314 j = (status & 0xf);
315 if (j <= 9)
316 phba->SerialNumber[i] =
317 (char)((uint8_t) 0x30 + (uint8_t) j);
318 else
319 phba->SerialNumber[i] =
320 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
321 }
322 }
323
324 lpfc_read_config(phba, pmb);
325 pmb->vport = vport;
326 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
327 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
328 "0453 Adapter failed to init, mbxCmd x%x "
329 "READ_CONFIG, mbxStatus x%x\n",
330 mb->mbxCommand, mb->mbxStatus);
331 phba->link_state = LPFC_HBA_ERROR;
332 mempool_free( pmb, phba->mbox_mem_pool);
333 return -EIO;
334 }
335
336 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
337 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
338 phba->cfg_hba_queue_depth =
339 mb->un.varRdConfig.max_xri + 1;
340
341 phba->lmt = mb->un.varRdConfig.lmt;
342
343 /* Get the default values for Model Name and Description */
344 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
345
346 if ((phba->cfg_link_speed > LINK_SPEED_10G)
347 || ((phba->cfg_link_speed == LINK_SPEED_1G)
348 && !(phba->lmt & LMT_1Gb))
349 || ((phba->cfg_link_speed == LINK_SPEED_2G)
350 && !(phba->lmt & LMT_2Gb))
351 || ((phba->cfg_link_speed == LINK_SPEED_4G)
352 && !(phba->lmt & LMT_4Gb))
353 || ((phba->cfg_link_speed == LINK_SPEED_8G)
354 && !(phba->lmt & LMT_8Gb))
355 || ((phba->cfg_link_speed == LINK_SPEED_10G)
356 && !(phba->lmt & LMT_10Gb))) {
357 /* Reset link speed to auto */
358 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
359 "1302 Invalid speed for this board: "
360 "Reset link speed to auto: x%x\n",
361 phba->cfg_link_speed);
362 phba->cfg_link_speed = LINK_SPEED_AUTO;
363 }
364
365 phba->link_state = LPFC_LINK_DOWN;
366
367 /* Only process IOCBs on ELS ring till hba_state is READY */
368 if (psli->ring[psli->extra_ring].cmdringaddr)
369 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
370 if (psli->ring[psli->fcp_ring].cmdringaddr)
371 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
372 if (psli->ring[psli->next_ring].cmdringaddr)
373 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
374
375 /* Post receive buffers for desired rings */
376 if (phba->sli_rev != 3)
377 lpfc_post_rcv_buf(phba);
378
379 /* Enable appropriate host interrupts */
380 spin_lock_irq(&phba->hbalock);
381 status = readl(phba->HCregaddr);
382 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
383 if (psli->num_rings > 0)
384 status |= HC_R0INT_ENA;
385 if (psli->num_rings > 1)
386 status |= HC_R1INT_ENA;
387 if (psli->num_rings > 2)
388 status |= HC_R2INT_ENA;
389 if (psli->num_rings > 3)
390 status |= HC_R3INT_ENA;
391
392 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
393 (phba->cfg_poll & DISABLE_FCP_RING_INT))
394 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
395
396 writel(status, phba->HCregaddr);
397 readl(phba->HCregaddr); /* flush */
398 spin_unlock_irq(&phba->hbalock);
399
400 /*
401 * Setup the ring 0 (els) timeout handler
402 */
403 timeout = phba->fc_ratov << 1;
404 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
405 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
406 phba->hb_outstanding = 0;
407 phba->last_completion_time = jiffies;
408
409 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
410 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
411 pmb->vport = vport;
412 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
413 lpfc_set_loopback_flag(phba);
414 if (rc != MBX_SUCCESS) {
415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
416 "0454 Adapter failed to init, mbxCmd x%x "
417 "INIT_LINK, mbxStatus x%x\n",
418 mb->mbxCommand, mb->mbxStatus);
419
420 /* Clear all interrupt enable conditions */
421 writel(0, phba->HCregaddr);
422 readl(phba->HCregaddr); /* flush */
423 /* Clear all pending interrupts */
424 writel(0xffffffff, phba->HAregaddr);
425 readl(phba->HAregaddr); /* flush */
426
427 phba->link_state = LPFC_HBA_ERROR;
428 if (rc != MBX_BUSY)
429 mempool_free(pmb, phba->mbox_mem_pool);
430 return -EIO;
431 }
432 /* MBOX buffer will be freed in mbox compl */
433 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
434 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
435 pmb->mbox_cmpl = lpfc_config_async_cmpl;
436 pmb->vport = phba->pport;
437 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
438
439 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
440 lpfc_printf_log(phba,
441 KERN_ERR,
442 LOG_INIT,
443 "0456 Adapter failed to issue "
444 "ASYNCEVT_ENABLE mbox status x%x \n.",
445 rc);
446 mempool_free(pmb, phba->mbox_mem_pool);
447 }
448 return (0);
449 }
450
451 /************************************************************************/
452 /* */
453 /* lpfc_hba_down_prep */
454 /* This routine will do LPFC uninitialization before the */
455 /* HBA is reset when bringing down the SLI Layer. This will be */
456 /* initialized as a SLI layer callback routine. */
457 /* This routine returns 0 on success. Any other return value */
458 /* indicates an error. */
459 /* */
460 /************************************************************************/
461 int
462 lpfc_hba_down_prep(struct lpfc_hba *phba)
463 {
464 struct lpfc_vport **vports;
465 int i;
466 /* Disable interrupts */
467 writel(0, phba->HCregaddr);
468 readl(phba->HCregaddr); /* flush */
469
470 if (phba->pport->load_flag & FC_UNLOADING)
471 lpfc_cleanup_discovery_resources(phba->pport);
472 else {
473 vports = lpfc_create_vport_work_array(phba);
474 if (vports != NULL)
475 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
476 lpfc_cleanup_discovery_resources(vports[i]);
477 lpfc_destroy_vport_work_array(phba, vports);
478 }
479 return 0;
480 }
481
482 /************************************************************************/
483 /* */
484 /* lpfc_hba_down_post */
485 /* This routine will do uninitialization after the HBA is reset */
486 /* when bringing down the SLI Layer. */
487 /* This routine returns 0 on success. Any other return value */
488 /* indicates an error. */
489 /* */
490 /************************************************************************/
491 int
492 lpfc_hba_down_post(struct lpfc_hba *phba)
493 {
494 struct lpfc_sli *psli = &phba->sli;
495 struct lpfc_sli_ring *pring;
496 struct lpfc_dmabuf *mp, *next_mp;
497 struct lpfc_iocbq *iocb;
498 IOCB_t *cmd = NULL;
499 LIST_HEAD(completions);
500 int i;
501
502 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
503 lpfc_sli_hbqbuf_free_all(phba);
504 else {
505 /* Cleanup preposted buffers on the ELS ring */
506 pring = &psli->ring[LPFC_ELS_RING];
507 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
508 list_del(&mp->list);
509 pring->postbufq_cnt--;
510 lpfc_mbuf_free(phba, mp->virt, mp->phys);
511 kfree(mp);
512 }
513 }
514
515 spin_lock_irq(&phba->hbalock);
516 for (i = 0; i < psli->num_rings; i++) {
517 pring = &psli->ring[i];
518
519 /* At this point in time the HBA is either reset or DOA. Either
520 * way, nothing should be on txcmplq as it will NEVER complete.
521 */
522 list_splice_init(&pring->txcmplq, &completions);
523 pring->txcmplq_cnt = 0;
524 spin_unlock_irq(&phba->hbalock);
525
526 while (!list_empty(&completions)) {
527 iocb = list_get_first(&completions, struct lpfc_iocbq,
528 list);
529 cmd = &iocb->iocb;
530 list_del_init(&iocb->list);
531
532 if (!iocb->iocb_cmpl)
533 lpfc_sli_release_iocbq(phba, iocb);
534 else {
535 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
536 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
537 (iocb->iocb_cmpl) (phba, iocb, iocb);
538 }
539 }
540
541 lpfc_sli_abort_iocb_ring(phba, pring);
542 spin_lock_irq(&phba->hbalock);
543 }
544 spin_unlock_irq(&phba->hbalock);
545
546 return 0;
547 }
548
549 /* HBA heart beat timeout handler */
550 static void
551 lpfc_hb_timeout(unsigned long ptr)
552 {
553 struct lpfc_hba *phba;
554 unsigned long iflag;
555
556 phba = (struct lpfc_hba *)ptr;
557 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
558 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
559 phba->pport->work_port_events |= WORKER_HB_TMO;
560 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
561
562 if (phba->work_wait)
563 wake_up(phba->work_wait);
564 return;
565 }
566
567 static void
568 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
569 {
570 unsigned long drvr_flag;
571
572 spin_lock_irqsave(&phba->hbalock, drvr_flag);
573 phba->hb_outstanding = 0;
574 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
575
576 mempool_free(pmboxq, phba->mbox_mem_pool);
577 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
578 !(phba->link_state == LPFC_HBA_ERROR) &&
579 !(phba->pport->load_flag & FC_UNLOADING))
580 mod_timer(&phba->hb_tmofunc,
581 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
582 return;
583 }
584
585 void
586 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
587 {
588 LPFC_MBOXQ_t *pmboxq;
589 struct lpfc_dmabuf *buf_ptr;
590 int retval;
591 struct lpfc_sli *psli = &phba->sli;
592 LIST_HEAD(completions);
593
594 if ((phba->link_state == LPFC_HBA_ERROR) ||
595 (phba->pport->load_flag & FC_UNLOADING) ||
596 (phba->pport->fc_flag & FC_OFFLINE_MODE))
597 return;
598
599 spin_lock_irq(&phba->pport->work_port_lock);
600 /* If the timer is already canceled do nothing */
601 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
602 spin_unlock_irq(&phba->pport->work_port_lock);
603 return;
604 }
605
606 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
607 jiffies)) {
608 spin_unlock_irq(&phba->pport->work_port_lock);
609 if (!phba->hb_outstanding)
610 mod_timer(&phba->hb_tmofunc,
611 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
612 else
613 mod_timer(&phba->hb_tmofunc,
614 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
615 return;
616 }
617 spin_unlock_irq(&phba->pport->work_port_lock);
618
619 if (phba->elsbuf_cnt &&
620 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
621 spin_lock_irq(&phba->hbalock);
622 list_splice_init(&phba->elsbuf, &completions);
623 phba->elsbuf_cnt = 0;
624 phba->elsbuf_prev_cnt = 0;
625 spin_unlock_irq(&phba->hbalock);
626
627 while (!list_empty(&completions)) {
628 list_remove_head(&completions, buf_ptr,
629 struct lpfc_dmabuf, list);
630 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
631 kfree(buf_ptr);
632 }
633 }
634 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
635
636 /* If there is no heart beat outstanding, issue a heartbeat command */
637 if (phba->cfg_enable_hba_heartbeat) {
638 if (!phba->hb_outstanding) {
639 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
640 if (!pmboxq) {
641 mod_timer(&phba->hb_tmofunc,
642 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
643 return;
644 }
645
646 lpfc_heart_beat(phba, pmboxq);
647 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
648 pmboxq->vport = phba->pport;
649 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
650
651 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
652 mempool_free(pmboxq, phba->mbox_mem_pool);
653 mod_timer(&phba->hb_tmofunc,
654 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
655 return;
656 }
657 mod_timer(&phba->hb_tmofunc,
658 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
659 phba->hb_outstanding = 1;
660 return;
661 } else {
662 /*
663 * If heart beat timeout called with hb_outstanding set
664 * we need to take the HBA offline.
665 */
666 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
667 "0459 Adapter heartbeat failure, "
668 "taking this port offline.\n");
669
670 spin_lock_irq(&phba->hbalock);
671 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
672 spin_unlock_irq(&phba->hbalock);
673
674 lpfc_offline_prep(phba);
675 lpfc_offline(phba);
676 lpfc_unblock_mgmt_io(phba);
677 phba->link_state = LPFC_HBA_ERROR;
678 lpfc_hba_down_post(phba);
679 }
680 }
681 }
682
683 static void
684 lpfc_offline_eratt(struct lpfc_hba *phba)
685 {
686 struct lpfc_sli *psli = &phba->sli;
687
688 spin_lock_irq(&phba->hbalock);
689 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
690 spin_unlock_irq(&phba->hbalock);
691 lpfc_offline_prep(phba);
692
693 lpfc_offline(phba);
694 lpfc_reset_barrier(phba);
695 lpfc_sli_brdreset(phba);
696 lpfc_hba_down_post(phba);
697 lpfc_sli_brdready(phba, HS_MBRDY);
698 lpfc_unblock_mgmt_io(phba);
699 phba->link_state = LPFC_HBA_ERROR;
700 return;
701 }
702
703 /************************************************************************/
704 /* */
705 /* lpfc_handle_eratt */
706 /* This routine will handle processing a Host Attention */
707 /* Error Status event. This will be initialized */
708 /* as a SLI layer callback routine. */
709 /* */
710 /************************************************************************/
711 void
712 lpfc_handle_eratt(struct lpfc_hba *phba)
713 {
714 struct lpfc_vport *vport = phba->pport;
715 struct lpfc_sli *psli = &phba->sli;
716 struct lpfc_sli_ring *pring;
717 struct lpfc_vport **vports;
718 uint32_t event_data;
719 unsigned long temperature;
720 struct temp_event temp_event_data;
721 struct Scsi_Host *shost;
722 int i;
723
724 /* If the pci channel is offline, ignore possible errors,
725 * since we cannot communicate with the pci card anyway. */
726 if (pci_channel_offline(phba->pcidev))
727 return;
728 /* If resets are disabled then leave the HBA alone and return */
729 if (!phba->cfg_enable_hba_reset)
730 return;
731
732 if (phba->work_hs & HS_FFER6 ||
733 phba->work_hs & HS_FFER5) {
734 /* Re-establishing Link */
735 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
736 "1301 Re-establishing Link "
737 "Data: x%x x%x x%x\n",
738 phba->work_hs,
739 phba->work_status[0], phba->work_status[1]);
740 vports = lpfc_create_vport_work_array(phba);
741 if (vports != NULL)
742 for(i = 0;
743 i <= phba->max_vpi && vports[i] != NULL;
744 i++){
745 shost = lpfc_shost_from_vport(vports[i]);
746 spin_lock_irq(shost->host_lock);
747 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
748 spin_unlock_irq(shost->host_lock);
749 }
750 lpfc_destroy_vport_work_array(phba, vports);
751 spin_lock_irq(&phba->hbalock);
752 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
753 spin_unlock_irq(&phba->hbalock);
754
755 /*
756 * Firmware stops when it triggled erratt with HS_FFER6.
757 * That could cause the I/Os dropped by the firmware.
758 * Error iocb (I/O) on txcmplq and let the SCSI layer
759 * retry it after re-establishing link.
760 */
761 pring = &psli->ring[psli->fcp_ring];
762 lpfc_sli_abort_iocb_ring(phba, pring);
763
764
765 /*
766 * There was a firmware error. Take the hba offline and then
767 * attempt to restart it.
768 */
769 lpfc_offline_prep(phba);
770 lpfc_offline(phba);
771 lpfc_sli_brdrestart(phba);
772 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
773 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
774 lpfc_unblock_mgmt_io(phba);
775 return;
776 }
777 lpfc_unblock_mgmt_io(phba);
778 } else if (phba->work_hs & HS_CRIT_TEMP) {
779 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
780 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
781 temp_event_data.event_code = LPFC_CRIT_TEMP;
782 temp_event_data.data = (uint32_t)temperature;
783
784 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
785 "0459 Adapter maximum temperature exceeded "
786 "(%ld), taking this port offline "
787 "Data: x%x x%x x%x\n",
788 temperature, phba->work_hs,
789 phba->work_status[0], phba->work_status[1]);
790
791 shost = lpfc_shost_from_vport(phba->pport);
792 fc_host_post_vendor_event(shost, fc_get_event_number(),
793 sizeof(temp_event_data),
794 (char *) &temp_event_data,
795 SCSI_NL_VID_TYPE_PCI
796 | PCI_VENDOR_ID_EMULEX);
797
798 spin_lock_irq(&phba->hbalock);
799 phba->over_temp_state = HBA_OVER_TEMP;
800 spin_unlock_irq(&phba->hbalock);
801 lpfc_offline_eratt(phba);
802
803 } else {
804 /* The if clause above forces this code path when the status
805 * failure is a value other than FFER6. Do not call the offline
806 * twice. This is the adapter hardware error path.
807 */
808 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
809 "0457 Adapter Hardware Error "
810 "Data: x%x x%x x%x\n",
811 phba->work_hs,
812 phba->work_status[0], phba->work_status[1]);
813
814 event_data = FC_REG_DUMP_EVENT;
815 shost = lpfc_shost_from_vport(vport);
816 fc_host_post_vendor_event(shost, fc_get_event_number(),
817 sizeof(event_data), (char *) &event_data,
818 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
819
820 lpfc_offline_eratt(phba);
821 }
822 }
823
824 /************************************************************************/
825 /* */
826 /* lpfc_handle_latt */
827 /* This routine will handle processing a Host Attention */
828 /* Link Status event. This will be initialized */
829 /* as a SLI layer callback routine. */
830 /* */
831 /************************************************************************/
832 void
833 lpfc_handle_latt(struct lpfc_hba *phba)
834 {
835 struct lpfc_vport *vport = phba->pport;
836 struct lpfc_sli *psli = &phba->sli;
837 LPFC_MBOXQ_t *pmb;
838 volatile uint32_t control;
839 struct lpfc_dmabuf *mp;
840 int rc = 0;
841
842 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
843 if (!pmb) {
844 rc = 1;
845 goto lpfc_handle_latt_err_exit;
846 }
847
848 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
849 if (!mp) {
850 rc = 2;
851 goto lpfc_handle_latt_free_pmb;
852 }
853
854 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
855 if (!mp->virt) {
856 rc = 3;
857 goto lpfc_handle_latt_free_mp;
858 }
859
860 /* Cleanup any outstanding ELS commands */
861 lpfc_els_flush_all_cmd(phba);
862
863 psli->slistat.link_event++;
864 lpfc_read_la(phba, pmb, mp);
865 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
866 pmb->vport = vport;
867 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
868 if (rc == MBX_NOT_FINISHED) {
869 rc = 4;
870 goto lpfc_handle_latt_free_mbuf;
871 }
872
873 /* Clear Link Attention in HA REG */
874 spin_lock_irq(&phba->hbalock);
875 writel(HA_LATT, phba->HAregaddr);
876 readl(phba->HAregaddr); /* flush */
877 spin_unlock_irq(&phba->hbalock);
878
879 return;
880
881 lpfc_handle_latt_free_mbuf:
882 lpfc_mbuf_free(phba, mp->virt, mp->phys);
883 lpfc_handle_latt_free_mp:
884 kfree(mp);
885 lpfc_handle_latt_free_pmb:
886 mempool_free(pmb, phba->mbox_mem_pool);
887 lpfc_handle_latt_err_exit:
888 /* Enable Link attention interrupts */
889 spin_lock_irq(&phba->hbalock);
890 psli->sli_flag |= LPFC_PROCESS_LA;
891 control = readl(phba->HCregaddr);
892 control |= HC_LAINT_ENA;
893 writel(control, phba->HCregaddr);
894 readl(phba->HCregaddr); /* flush */
895
896 /* Clear Link Attention in HA REG */
897 writel(HA_LATT, phba->HAregaddr);
898 readl(phba->HAregaddr); /* flush */
899 spin_unlock_irq(&phba->hbalock);
900 lpfc_linkdown(phba);
901 phba->link_state = LPFC_HBA_ERROR;
902
903 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
904 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
905
906 return;
907 }
908
909 /************************************************************************/
910 /* */
911 /* lpfc_parse_vpd */
912 /* This routine will parse the VPD data */
913 /* */
914 /************************************************************************/
915 static int
916 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
917 {
918 uint8_t lenlo, lenhi;
919 int Length;
920 int i, j;
921 int finished = 0;
922 int index = 0;
923
924 if (!vpd)
925 return 0;
926
927 /* Vital Product */
928 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
929 "0455 Vital Product Data: x%x x%x x%x x%x\n",
930 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
931 (uint32_t) vpd[3]);
932 while (!finished && (index < (len - 4))) {
933 switch (vpd[index]) {
934 case 0x82:
935 case 0x91:
936 index += 1;
937 lenlo = vpd[index];
938 index += 1;
939 lenhi = vpd[index];
940 index += 1;
941 i = ((((unsigned short)lenhi) << 8) + lenlo);
942 index += i;
943 break;
944 case 0x90:
945 index += 1;
946 lenlo = vpd[index];
947 index += 1;
948 lenhi = vpd[index];
949 index += 1;
950 Length = ((((unsigned short)lenhi) << 8) + lenlo);
951 if (Length > len - index)
952 Length = len - index;
953 while (Length > 0) {
954 /* Look for Serial Number */
955 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
956 index += 2;
957 i = vpd[index];
958 index += 1;
959 j = 0;
960 Length -= (3+i);
961 while(i--) {
962 phba->SerialNumber[j++] = vpd[index++];
963 if (j == 31)
964 break;
965 }
966 phba->SerialNumber[j] = 0;
967 continue;
968 }
969 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
970 phba->vpd_flag |= VPD_MODEL_DESC;
971 index += 2;
972 i = vpd[index];
973 index += 1;
974 j = 0;
975 Length -= (3+i);
976 while(i--) {
977 phba->ModelDesc[j++] = vpd[index++];
978 if (j == 255)
979 break;
980 }
981 phba->ModelDesc[j] = 0;
982 continue;
983 }
984 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
985 phba->vpd_flag |= VPD_MODEL_NAME;
986 index += 2;
987 i = vpd[index];
988 index += 1;
989 j = 0;
990 Length -= (3+i);
991 while(i--) {
992 phba->ModelName[j++] = vpd[index++];
993 if (j == 79)
994 break;
995 }
996 phba->ModelName[j] = 0;
997 continue;
998 }
999 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1000 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1001 index += 2;
1002 i = vpd[index];
1003 index += 1;
1004 j = 0;
1005 Length -= (3+i);
1006 while(i--) {
1007 phba->ProgramType[j++] = vpd[index++];
1008 if (j == 255)
1009 break;
1010 }
1011 phba->ProgramType[j] = 0;
1012 continue;
1013 }
1014 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1015 phba->vpd_flag |= VPD_PORT;
1016 index += 2;
1017 i = vpd[index];
1018 index += 1;
1019 j = 0;
1020 Length -= (3+i);
1021 while(i--) {
1022 phba->Port[j++] = vpd[index++];
1023 if (j == 19)
1024 break;
1025 }
1026 phba->Port[j] = 0;
1027 continue;
1028 }
1029 else {
1030 index += 2;
1031 i = vpd[index];
1032 index += 1;
1033 index += i;
1034 Length -= (3 + i);
1035 }
1036 }
1037 finished = 0;
1038 break;
1039 case 0x78:
1040 finished = 1;
1041 break;
1042 default:
1043 index ++;
1044 break;
1045 }
1046 }
1047
1048 return(1);
1049 }
1050
1051 static void
1052 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1053 {
1054 lpfc_vpd_t *vp;
1055 uint16_t dev_id = phba->pcidev->device;
1056 int max_speed;
1057 struct {
1058 char * name;
1059 int max_speed;
1060 char * bus;
1061 } m = {"<Unknown>", 0, ""};
1062
1063 if (mdp && mdp[0] != '\0'
1064 && descp && descp[0] != '\0')
1065 return;
1066
1067 if (phba->lmt & LMT_10Gb)
1068 max_speed = 10;
1069 else if (phba->lmt & LMT_8Gb)
1070 max_speed = 8;
1071 else if (phba->lmt & LMT_4Gb)
1072 max_speed = 4;
1073 else if (phba->lmt & LMT_2Gb)
1074 max_speed = 2;
1075 else
1076 max_speed = 1;
1077
1078 vp = &phba->vpd;
1079
1080 switch (dev_id) {
1081 case PCI_DEVICE_ID_FIREFLY:
1082 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1083 break;
1084 case PCI_DEVICE_ID_SUPERFLY:
1085 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1086 m = (typeof(m)){"LP7000", max_speed, "PCI"};
1087 else
1088 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1089 break;
1090 case PCI_DEVICE_ID_DRAGONFLY:
1091 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1092 break;
1093 case PCI_DEVICE_ID_CENTAUR:
1094 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1095 m = (typeof(m)){"LP9002", max_speed, "PCI"};
1096 else
1097 m = (typeof(m)){"LP9000", max_speed, "PCI"};
1098 break;
1099 case PCI_DEVICE_ID_RFLY:
1100 m = (typeof(m)){"LP952", max_speed, "PCI"};
1101 break;
1102 case PCI_DEVICE_ID_PEGASUS:
1103 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1104 break;
1105 case PCI_DEVICE_ID_THOR:
1106 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1107 break;
1108 case PCI_DEVICE_ID_VIPER:
1109 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
1110 break;
1111 case PCI_DEVICE_ID_PFLY:
1112 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1113 break;
1114 case PCI_DEVICE_ID_TFLY:
1115 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1116 break;
1117 case PCI_DEVICE_ID_HELIOS:
1118 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1119 break;
1120 case PCI_DEVICE_ID_HELIOS_SCSP:
1121 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1122 break;
1123 case PCI_DEVICE_ID_HELIOS_DCSP:
1124 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1125 break;
1126 case PCI_DEVICE_ID_NEPTUNE:
1127 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1128 break;
1129 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1130 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1131 break;
1132 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1133 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1134 break;
1135 case PCI_DEVICE_ID_BMID:
1136 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1137 break;
1138 case PCI_DEVICE_ID_BSMB:
1139 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1140 break;
1141 case PCI_DEVICE_ID_ZEPHYR:
1142 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1143 break;
1144 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1145 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1146 break;
1147 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1148 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1149 break;
1150 case PCI_DEVICE_ID_ZMID:
1151 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1152 break;
1153 case PCI_DEVICE_ID_ZSMB:
1154 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1155 break;
1156 case PCI_DEVICE_ID_LP101:
1157 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1158 break;
1159 case PCI_DEVICE_ID_LP10000S:
1160 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1161 break;
1162 case PCI_DEVICE_ID_LP11000S:
1163 m = (typeof(m)){"LP11000-S", max_speed,
1164 "PCI-X2"};
1165 break;
1166 case PCI_DEVICE_ID_LPE11000S:
1167 m = (typeof(m)){"LPe11000-S", max_speed,
1168 "PCIe"};
1169 break;
1170 case PCI_DEVICE_ID_SAT:
1171 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1172 break;
1173 case PCI_DEVICE_ID_SAT_MID:
1174 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1175 break;
1176 case PCI_DEVICE_ID_SAT_SMB:
1177 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1178 break;
1179 case PCI_DEVICE_ID_SAT_DCSP:
1180 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1181 break;
1182 case PCI_DEVICE_ID_SAT_SCSP:
1183 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1184 break;
1185 case PCI_DEVICE_ID_SAT_S:
1186 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1187 break;
1188 default:
1189 m = (typeof(m)){ NULL };
1190 break;
1191 }
1192
1193 if (mdp && mdp[0] == '\0')
1194 snprintf(mdp, 79,"%s", m.name);
1195 if (descp && descp[0] == '\0')
1196 snprintf(descp, 255,
1197 "Emulex %s %dGb %s Fibre Channel Adapter",
1198 m.name, m.max_speed, m.bus);
1199 }
1200
1201 /**************************************************/
1202 /* lpfc_post_buffer */
1203 /* */
1204 /* This routine will post count buffers to the */
1205 /* ring with the QUE_RING_BUF_CN command. This */
1206 /* allows 3 buffers / command to be posted. */
1207 /* Returns the number of buffers NOT posted. */
1208 /**************************************************/
1209 int
1210 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1211 int type)
1212 {
1213 IOCB_t *icmd;
1214 struct lpfc_iocbq *iocb;
1215 struct lpfc_dmabuf *mp1, *mp2;
1216
1217 cnt += pring->missbufcnt;
1218
1219 /* While there are buffers to post */
1220 while (cnt > 0) {
1221 /* Allocate buffer for command iocb */
1222 iocb = lpfc_sli_get_iocbq(phba);
1223 if (iocb == NULL) {
1224 pring->missbufcnt = cnt;
1225 return cnt;
1226 }
1227 icmd = &iocb->iocb;
1228
1229 /* 2 buffers can be posted per command */
1230 /* Allocate buffer to post */
1231 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1232 if (mp1)
1233 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1234 if (!mp1 || !mp1->virt) {
1235 kfree(mp1);
1236 lpfc_sli_release_iocbq(phba, iocb);
1237 pring->missbufcnt = cnt;
1238 return cnt;
1239 }
1240
1241 INIT_LIST_HEAD(&mp1->list);
1242 /* Allocate buffer to post */
1243 if (cnt > 1) {
1244 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1245 if (mp2)
1246 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1247 &mp2->phys);
1248 if (!mp2 || !mp2->virt) {
1249 kfree(mp2);
1250 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1251 kfree(mp1);
1252 lpfc_sli_release_iocbq(phba, iocb);
1253 pring->missbufcnt = cnt;
1254 return cnt;
1255 }
1256
1257 INIT_LIST_HEAD(&mp2->list);
1258 } else {
1259 mp2 = NULL;
1260 }
1261
1262 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1263 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1264 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1265 icmd->ulpBdeCount = 1;
1266 cnt--;
1267 if (mp2) {
1268 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1269 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1270 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1271 cnt--;
1272 icmd->ulpBdeCount = 2;
1273 }
1274
1275 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1276 icmd->ulpLe = 1;
1277
1278 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1279 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1280 kfree(mp1);
1281 cnt++;
1282 if (mp2) {
1283 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1284 kfree(mp2);
1285 cnt++;
1286 }
1287 lpfc_sli_release_iocbq(phba, iocb);
1288 pring->missbufcnt = cnt;
1289 return cnt;
1290 }
1291 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1292 if (mp2)
1293 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1294 }
1295 pring->missbufcnt = 0;
1296 return 0;
1297 }
1298
1299 /************************************************************************/
1300 /* */
1301 /* lpfc_post_rcv_buf */
1302 /* This routine post initial rcv buffers to the configured rings */
1303 /* */
1304 /************************************************************************/
1305 static int
1306 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1307 {
1308 struct lpfc_sli *psli = &phba->sli;
1309
1310 /* Ring 0, ELS / CT buffers */
1311 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1312 /* Ring 2 - FCP no buffers needed */
1313
1314 return 0;
1315 }
1316
1317 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1318
1319 /************************************************************************/
1320 /* */
1321 /* lpfc_sha_init */
1322 /* */
1323 /************************************************************************/
1324 static void
1325 lpfc_sha_init(uint32_t * HashResultPointer)
1326 {
1327 HashResultPointer[0] = 0x67452301;
1328 HashResultPointer[1] = 0xEFCDAB89;
1329 HashResultPointer[2] = 0x98BADCFE;
1330 HashResultPointer[3] = 0x10325476;
1331 HashResultPointer[4] = 0xC3D2E1F0;
1332 }
1333
1334 /************************************************************************/
1335 /* */
1336 /* lpfc_sha_iterate */
1337 /* */
1338 /************************************************************************/
1339 static void
1340 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1341 {
1342 int t;
1343 uint32_t TEMP;
1344 uint32_t A, B, C, D, E;
1345 t = 16;
1346 do {
1347 HashWorkingPointer[t] =
1348 S(1,
1349 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1350 8] ^
1351 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1352 } while (++t <= 79);
1353 t = 0;
1354 A = HashResultPointer[0];
1355 B = HashResultPointer[1];
1356 C = HashResultPointer[2];
1357 D = HashResultPointer[3];
1358 E = HashResultPointer[4];
1359
1360 do {
1361 if (t < 20) {
1362 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1363 } else if (t < 40) {
1364 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1365 } else if (t < 60) {
1366 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1367 } else {
1368 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1369 }
1370 TEMP += S(5, A) + E + HashWorkingPointer[t];
1371 E = D;
1372 D = C;
1373 C = S(30, B);
1374 B = A;
1375 A = TEMP;
1376 } while (++t <= 79);
1377
1378 HashResultPointer[0] += A;
1379 HashResultPointer[1] += B;
1380 HashResultPointer[2] += C;
1381 HashResultPointer[3] += D;
1382 HashResultPointer[4] += E;
1383
1384 }
1385
1386 /************************************************************************/
1387 /* */
1388 /* lpfc_challenge_key */
1389 /* */
1390 /************************************************************************/
1391 static void
1392 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1393 {
1394 *HashWorking = (*RandomChallenge ^ *HashWorking);
1395 }
1396
1397 /************************************************************************/
1398 /* */
1399 /* lpfc_hba_init */
1400 /* */
1401 /************************************************************************/
1402 void
1403 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1404 {
1405 int t;
1406 uint32_t *HashWorking;
1407 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1408
1409 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1410 if (!HashWorking)
1411 return;
1412
1413 HashWorking[0] = HashWorking[78] = *pwwnn++;
1414 HashWorking[1] = HashWorking[79] = *pwwnn;
1415
1416 for (t = 0; t < 7; t++)
1417 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1418
1419 lpfc_sha_init(hbainit);
1420 lpfc_sha_iterate(hbainit, HashWorking);
1421 kfree(HashWorking);
1422 }
1423
1424 void
1425 lpfc_cleanup(struct lpfc_vport *vport)
1426 {
1427 struct lpfc_hba *phba = vport->phba;
1428 struct lpfc_nodelist *ndlp, *next_ndlp;
1429 int i = 0;
1430
1431 if (phba->link_state > LPFC_LINK_DOWN)
1432 lpfc_port_link_failure(vport);
1433
1434 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1435 if (!NLP_CHK_NODE_ACT(ndlp)) {
1436 ndlp = lpfc_enable_node(vport, ndlp,
1437 NLP_STE_UNUSED_NODE);
1438 if (!ndlp)
1439 continue;
1440 spin_lock_irq(&phba->ndlp_lock);
1441 NLP_SET_FREE_REQ(ndlp);
1442 spin_unlock_irq(&phba->ndlp_lock);
1443 /* Trigger the release of the ndlp memory */
1444 lpfc_nlp_put(ndlp);
1445 continue;
1446 }
1447 spin_lock_irq(&phba->ndlp_lock);
1448 if (NLP_CHK_FREE_REQ(ndlp)) {
1449 /* The ndlp should not be in memory free mode already */
1450 spin_unlock_irq(&phba->ndlp_lock);
1451 continue;
1452 } else
1453 /* Indicate request for freeing ndlp memory */
1454 NLP_SET_FREE_REQ(ndlp);
1455 spin_unlock_irq(&phba->ndlp_lock);
1456
1457 if (ndlp->nlp_type & NLP_FABRIC)
1458 lpfc_disc_state_machine(vport, ndlp, NULL,
1459 NLP_EVT_DEVICE_RECOVERY);
1460
1461 lpfc_disc_state_machine(vport, ndlp, NULL,
1462 NLP_EVT_DEVICE_RM);
1463 }
1464
1465 /* At this point, ALL ndlp's should be gone
1466 * because of the previous NLP_EVT_DEVICE_RM.
1467 * Lets wait for this to happen, if needed.
1468 */
1469 while (!list_empty(&vport->fc_nodes)) {
1470
1471 if (i++ > 3000) {
1472 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1473 "0233 Nodelist not empty\n");
1474 list_for_each_entry_safe(ndlp, next_ndlp,
1475 &vport->fc_nodes, nlp_listp) {
1476 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1477 LOG_NODE,
1478 "0282: did:x%x ndlp:x%p "
1479 "usgmap:x%x refcnt:%d\n",
1480 ndlp->nlp_DID, (void *)ndlp,
1481 ndlp->nlp_usg_map,
1482 atomic_read(
1483 &ndlp->kref.refcount));
1484 }
1485 break;
1486 }
1487
1488 /* Wait for any activity on ndlps to settle */
1489 msleep(10);
1490 }
1491 return;
1492 }
1493
1494 static void
1495 lpfc_establish_link_tmo(unsigned long ptr)
1496 {
1497 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
1498 struct lpfc_vport **vports;
1499 unsigned long iflag;
1500 int i;
1501
1502 /* Re-establishing Link, timer expired */
1503 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1504 "1300 Re-establishing Link, timer expired "
1505 "Data: x%x x%x\n",
1506 phba->pport->fc_flag, phba->pport->port_state);
1507 vports = lpfc_create_vport_work_array(phba);
1508 if (vports != NULL)
1509 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1510 struct Scsi_Host *shost;
1511 shost = lpfc_shost_from_vport(vports[i]);
1512 spin_lock_irqsave(shost->host_lock, iflag);
1513 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1514 spin_unlock_irqrestore(shost->host_lock, iflag);
1515 }
1516 lpfc_destroy_vport_work_array(phba, vports);
1517 }
1518
1519 void
1520 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1521 {
1522 del_timer_sync(&vport->els_tmofunc);
1523 del_timer_sync(&vport->fc_fdmitmo);
1524 lpfc_can_disctmo(vport);
1525 return;
1526 }
1527
1528 static void
1529 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1530 {
1531 del_timer_sync(&phba->fcp_poll_timer);
1532 del_timer_sync(&phba->fc_estabtmo);
1533 lpfc_stop_vport_timers(phba->pport);
1534 del_timer_sync(&phba->sli.mbox_tmo);
1535 del_timer_sync(&phba->fabric_block_timer);
1536 phba->hb_outstanding = 0;
1537 del_timer_sync(&phba->hb_tmofunc);
1538 return;
1539 }
1540
1541 static void
1542 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1543 {
1544 unsigned long iflag;
1545
1546 spin_lock_irqsave(&phba->hbalock, iflag);
1547 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1548 spin_unlock_irqrestore(&phba->hbalock, iflag);
1549 }
1550
1551 int
1552 lpfc_online(struct lpfc_hba *phba)
1553 {
1554 struct lpfc_vport *vport = phba->pport;
1555 struct lpfc_vport **vports;
1556 int i;
1557
1558 if (!phba)
1559 return 0;
1560
1561 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1562 return 0;
1563
1564 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1565 "0458 Bring Adapter online\n");
1566
1567 lpfc_block_mgmt_io(phba);
1568
1569 if (!lpfc_sli_queue_setup(phba)) {
1570 lpfc_unblock_mgmt_io(phba);
1571 return 1;
1572 }
1573
1574 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1575 lpfc_unblock_mgmt_io(phba);
1576 return 1;
1577 }
1578
1579 vports = lpfc_create_vport_work_array(phba);
1580 if (vports != NULL)
1581 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1582 struct Scsi_Host *shost;
1583 shost = lpfc_shost_from_vport(vports[i]);
1584 spin_lock_irq(shost->host_lock);
1585 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1586 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1587 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1588 spin_unlock_irq(shost->host_lock);
1589 }
1590 lpfc_destroy_vport_work_array(phba, vports);
1591
1592 lpfc_unblock_mgmt_io(phba);
1593 return 0;
1594 }
1595
1596 void
1597 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1598 {
1599 unsigned long iflag;
1600
1601 spin_lock_irqsave(&phba->hbalock, iflag);
1602 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1603 spin_unlock_irqrestore(&phba->hbalock, iflag);
1604 }
1605
1606 void
1607 lpfc_offline_prep(struct lpfc_hba * phba)
1608 {
1609 struct lpfc_vport *vport = phba->pport;
1610 struct lpfc_nodelist *ndlp, *next_ndlp;
1611 struct lpfc_vport **vports;
1612 int i;
1613
1614 if (vport->fc_flag & FC_OFFLINE_MODE)
1615 return;
1616
1617 lpfc_block_mgmt_io(phba);
1618
1619 lpfc_linkdown(phba);
1620
1621 /* Issue an unreg_login to all nodes on all vports */
1622 vports = lpfc_create_vport_work_array(phba);
1623 if (vports != NULL) {
1624 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1625 struct Scsi_Host *shost;
1626
1627 if (vports[i]->load_flag & FC_UNLOADING)
1628 continue;
1629 shost = lpfc_shost_from_vport(vports[i]);
1630 list_for_each_entry_safe(ndlp, next_ndlp,
1631 &vports[i]->fc_nodes,
1632 nlp_listp) {
1633 if (!NLP_CHK_NODE_ACT(ndlp))
1634 continue;
1635 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1636 continue;
1637 if (ndlp->nlp_type & NLP_FABRIC) {
1638 lpfc_disc_state_machine(vports[i], ndlp,
1639 NULL, NLP_EVT_DEVICE_RECOVERY);
1640 lpfc_disc_state_machine(vports[i], ndlp,
1641 NULL, NLP_EVT_DEVICE_RM);
1642 }
1643 spin_lock_irq(shost->host_lock);
1644 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1645 spin_unlock_irq(shost->host_lock);
1646 lpfc_unreg_rpi(vports[i], ndlp);
1647 }
1648 }
1649 }
1650 lpfc_destroy_vport_work_array(phba, vports);
1651
1652 lpfc_sli_flush_mbox_queue(phba);
1653 }
1654
1655 void
1656 lpfc_offline(struct lpfc_hba *phba)
1657 {
1658 struct Scsi_Host *shost;
1659 struct lpfc_vport **vports;
1660 int i;
1661
1662 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1663 return;
1664
1665 /* stop all timers associated with this hba */
1666 lpfc_stop_phba_timers(phba);
1667 vports = lpfc_create_vport_work_array(phba);
1668 if (vports != NULL)
1669 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1670 lpfc_stop_vport_timers(vports[i]);
1671 lpfc_destroy_vport_work_array(phba, vports);
1672 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1673 "0460 Bring Adapter offline\n");
1674 /* Bring down the SLI Layer and cleanup. The HBA is offline
1675 now. */
1676 lpfc_sli_hba_down(phba);
1677 spin_lock_irq(&phba->hbalock);
1678 phba->work_ha = 0;
1679 spin_unlock_irq(&phba->hbalock);
1680 vports = lpfc_create_vport_work_array(phba);
1681 if (vports != NULL)
1682 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1683 shost = lpfc_shost_from_vport(vports[i]);
1684 spin_lock_irq(shost->host_lock);
1685 vports[i]->work_port_events = 0;
1686 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1687 spin_unlock_irq(shost->host_lock);
1688 }
1689 lpfc_destroy_vport_work_array(phba, vports);
1690 }
1691
1692 /******************************************************************************
1693 * Function name: lpfc_scsi_free
1694 *
1695 * Description: Called from lpfc_pci_remove_one free internal driver resources
1696 *
1697 ******************************************************************************/
1698 static int
1699 lpfc_scsi_free(struct lpfc_hba *phba)
1700 {
1701 struct lpfc_scsi_buf *sb, *sb_next;
1702 struct lpfc_iocbq *io, *io_next;
1703
1704 spin_lock_irq(&phba->hbalock);
1705 /* Release all the lpfc_scsi_bufs maintained by this host. */
1706 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1707 list_del(&sb->list);
1708 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1709 sb->dma_handle);
1710 kfree(sb);
1711 phba->total_scsi_bufs--;
1712 }
1713
1714 /* Release all the lpfc_iocbq entries maintained by this host. */
1715 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1716 list_del(&io->list);
1717 kfree(io);
1718 phba->total_iocbq_bufs--;
1719 }
1720
1721 spin_unlock_irq(&phba->hbalock);
1722
1723 return 0;
1724 }
1725
1726 struct lpfc_vport *
1727 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1728 {
1729 struct lpfc_vport *vport;
1730 struct Scsi_Host *shost;
1731 int error = 0;
1732
1733 if (dev != &phba->pcidev->dev)
1734 shost = scsi_host_alloc(&lpfc_vport_template,
1735 sizeof(struct lpfc_vport));
1736 else
1737 shost = scsi_host_alloc(&lpfc_template,
1738 sizeof(struct lpfc_vport));
1739 if (!shost)
1740 goto out;
1741
1742 vport = (struct lpfc_vport *) shost->hostdata;
1743 vport->phba = phba;
1744 vport->load_flag |= FC_LOADING;
1745 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1746 vport->fc_rscn_flush = 0;
1747
1748 lpfc_get_vport_cfgparam(vport);
1749 shost->unique_id = instance;
1750 shost->max_id = LPFC_MAX_TARGET;
1751 shost->max_lun = vport->cfg_max_luns;
1752 shost->this_id = -1;
1753 shost->max_cmd_len = 16;
1754 /*
1755 * Set initial can_queue value since 0 is no longer supported and
1756 * scsi_add_host will fail. This will be adjusted later based on the
1757 * max xri value determined in hba setup.
1758 */
1759 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1760 if (dev != &phba->pcidev->dev) {
1761 shost->transportt = lpfc_vport_transport_template;
1762 vport->port_type = LPFC_NPIV_PORT;
1763 } else {
1764 shost->transportt = lpfc_transport_template;
1765 vport->port_type = LPFC_PHYSICAL_PORT;
1766 }
1767
1768 /* Initialize all internally managed lists. */
1769 INIT_LIST_HEAD(&vport->fc_nodes);
1770 spin_lock_init(&vport->work_port_lock);
1771
1772 init_timer(&vport->fc_disctmo);
1773 vport->fc_disctmo.function = lpfc_disc_timeout;
1774 vport->fc_disctmo.data = (unsigned long)vport;
1775
1776 init_timer(&vport->fc_fdmitmo);
1777 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1778 vport->fc_fdmitmo.data = (unsigned long)vport;
1779
1780 init_timer(&vport->els_tmofunc);
1781 vport->els_tmofunc.function = lpfc_els_timeout;
1782 vport->els_tmofunc.data = (unsigned long)vport;
1783
1784 error = scsi_add_host(shost, dev);
1785 if (error)
1786 goto out_put_shost;
1787
1788 spin_lock_irq(&phba->hbalock);
1789 list_add_tail(&vport->listentry, &phba->port_list);
1790 spin_unlock_irq(&phba->hbalock);
1791 return vport;
1792
1793 out_put_shost:
1794 scsi_host_put(shost);
1795 out:
1796 return NULL;
1797 }
1798
1799 void
1800 destroy_port(struct lpfc_vport *vport)
1801 {
1802 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1803 struct lpfc_hba *phba = vport->phba;
1804
1805 kfree(vport->vname);
1806
1807 lpfc_debugfs_terminate(vport);
1808 fc_remove_host(shost);
1809 scsi_remove_host(shost);
1810
1811 spin_lock_irq(&phba->hbalock);
1812 list_del_init(&vport->listentry);
1813 spin_unlock_irq(&phba->hbalock);
1814
1815 lpfc_cleanup(vport);
1816 return;
1817 }
1818
1819 int
1820 lpfc_get_instance(void)
1821 {
1822 int instance = 0;
1823
1824 /* Assign an unused number */
1825 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1826 return -1;
1827 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1828 return -1;
1829 return instance;
1830 }
1831
1832 /*
1833 * Note: there is no scan_start function as adapter initialization
1834 * will have asynchronously kicked off the link initialization.
1835 */
1836
1837 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1838 {
1839 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1840 struct lpfc_hba *phba = vport->phba;
1841 int stat = 0;
1842
1843 spin_lock_irq(shost->host_lock);
1844
1845 if (vport->load_flag & FC_UNLOADING) {
1846 stat = 1;
1847 goto finished;
1848 }
1849 if (time >= 30 * HZ) {
1850 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1851 "0461 Scanning longer than 30 "
1852 "seconds. Continuing initialization\n");
1853 stat = 1;
1854 goto finished;
1855 }
1856 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1857 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1858 "0465 Link down longer than 15 "
1859 "seconds. Continuing initialization\n");
1860 stat = 1;
1861 goto finished;
1862 }
1863
1864 if (vport->port_state != LPFC_VPORT_READY)
1865 goto finished;
1866 if (vport->num_disc_nodes || vport->fc_prli_sent)
1867 goto finished;
1868 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1869 goto finished;
1870 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1871 goto finished;
1872
1873 stat = 1;
1874
1875 finished:
1876 spin_unlock_irq(shost->host_lock);
1877 return stat;
1878 }
1879
1880 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1881 {
1882 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1883 struct lpfc_hba *phba = vport->phba;
1884 /*
1885 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1886 */
1887
1888 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1889 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1890 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1891
1892 memset(fc_host_supported_fc4s(shost), 0,
1893 sizeof(fc_host_supported_fc4s(shost)));
1894 fc_host_supported_fc4s(shost)[2] = 1;
1895 fc_host_supported_fc4s(shost)[7] = 1;
1896
1897 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1898 sizeof fc_host_symbolic_name(shost));
1899
1900 fc_host_supported_speeds(shost) = 0;
1901 if (phba->lmt & LMT_10Gb)
1902 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1903 if (phba->lmt & LMT_8Gb)
1904 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1905 if (phba->lmt & LMT_4Gb)
1906 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1907 if (phba->lmt & LMT_2Gb)
1908 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1909 if (phba->lmt & LMT_1Gb)
1910 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1911
1912 fc_host_maxframe_size(shost) =
1913 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1914 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1915
1916 /* This value is also unchanging */
1917 memset(fc_host_active_fc4s(shost), 0,
1918 sizeof(fc_host_active_fc4s(shost)));
1919 fc_host_active_fc4s(shost)[2] = 1;
1920 fc_host_active_fc4s(shost)[7] = 1;
1921
1922 fc_host_max_npiv_vports(shost) = phba->max_vpi;
1923 spin_lock_irq(shost->host_lock);
1924 vport->load_flag &= ~FC_LOADING;
1925 spin_unlock_irq(shost->host_lock);
1926 }
1927
1928 static int
1929 lpfc_enable_msix(struct lpfc_hba *phba)
1930 {
1931 int error;
1932
1933 phba->msix_entries[0].entry = 0;
1934 phba->msix_entries[0].vector = 0;
1935
1936 error = pci_enable_msix(phba->pcidev, phba->msix_entries,
1937 ARRAY_SIZE(phba->msix_entries));
1938 if (error) {
1939 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1940 "0420 Enable MSI-X failed (%d), continuing "
1941 "with MSI\n", error);
1942 pci_disable_msix(phba->pcidev);
1943 return error;
1944 }
1945
1946 error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
1947 LPFC_DRIVER_NAME, phba);
1948 if (error) {
1949 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1950 "0421 MSI-X request_irq failed (%d), "
1951 "continuing with MSI\n", error);
1952 pci_disable_msix(phba->pcidev);
1953 }
1954 return error;
1955 }
1956
1957 static void
1958 lpfc_disable_msix(struct lpfc_hba *phba)
1959 {
1960 free_irq(phba->msix_entries[0].vector, phba);
1961 pci_disable_msix(phba->pcidev);
1962 }
1963
1964 static int __devinit
1965 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1966 {
1967 struct lpfc_vport *vport = NULL;
1968 struct lpfc_hba *phba;
1969 struct lpfc_sli *psli;
1970 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1971 struct Scsi_Host *shost = NULL;
1972 void *ptr;
1973 unsigned long bar0map_len, bar2map_len;
1974 int error = -ENODEV, retval;
1975 int i, hbq_count;
1976 uint16_t iotag;
1977 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1978
1979 if (pci_enable_device_mem(pdev))
1980 goto out;
1981 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
1982 goto out_disable_device;
1983
1984 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1985 if (!phba)
1986 goto out_release_regions;
1987
1988 spin_lock_init(&phba->hbalock);
1989
1990 /* Initialize ndlp management spinlock */
1991 spin_lock_init(&phba->ndlp_lock);
1992
1993 phba->pcidev = pdev;
1994
1995 /* Assign an unused board number */
1996 if ((phba->brd_no = lpfc_get_instance()) < 0)
1997 goto out_free_phba;
1998
1999 INIT_LIST_HEAD(&phba->port_list);
2000 /*
2001 * Get all the module params for configuring this host and then
2002 * establish the host.
2003 */
2004 lpfc_get_cfgparam(phba);
2005 phba->max_vpi = LPFC_MAX_VPI;
2006
2007 /* Initialize timers used by driver */
2008 init_timer(&phba->fc_estabtmo);
2009 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
2010 phba->fc_estabtmo.data = (unsigned long)phba;
2011
2012 init_timer(&phba->hb_tmofunc);
2013 phba->hb_tmofunc.function = lpfc_hb_timeout;
2014 phba->hb_tmofunc.data = (unsigned long)phba;
2015
2016 psli = &phba->sli;
2017 init_timer(&psli->mbox_tmo);
2018 psli->mbox_tmo.function = lpfc_mbox_timeout;
2019 psli->mbox_tmo.data = (unsigned long) phba;
2020 init_timer(&phba->fcp_poll_timer);
2021 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2022 phba->fcp_poll_timer.data = (unsigned long) phba;
2023 init_timer(&phba->fabric_block_timer);
2024 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
2025 phba->fabric_block_timer.data = (unsigned long) phba;
2026
2027 pci_set_master(pdev);
2028 pci_try_set_mwi(pdev);
2029
2030 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
2031 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
2032 goto out_idr_remove;
2033
2034 /*
2035 * Get the bus address of Bar0 and Bar2 and the number of bytes
2036 * required by each mapping.
2037 */
2038 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
2039 bar0map_len = pci_resource_len(phba->pcidev, 0);
2040
2041 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
2042 bar2map_len = pci_resource_len(phba->pcidev, 2);
2043
2044 /* Map HBA SLIM to a kernel virtual address. */
2045 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
2046 if (!phba->slim_memmap_p) {
2047 error = -ENODEV;
2048 dev_printk(KERN_ERR, &pdev->dev,
2049 "ioremap failed for SLIM memory.\n");
2050 goto out_idr_remove;
2051 }
2052
2053 /* Map HBA Control Registers to a kernel virtual address. */
2054 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2055 if (!phba->ctrl_regs_memmap_p) {
2056 error = -ENODEV;
2057 dev_printk(KERN_ERR, &pdev->dev,
2058 "ioremap failed for HBA control registers.\n");
2059 goto out_iounmap_slim;
2060 }
2061
2062 /* Allocate memory for SLI-2 structures */
2063 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
2064 &phba->slim2p_mapping, GFP_KERNEL);
2065 if (!phba->slim2p)
2066 goto out_iounmap;
2067
2068 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
2069
2070 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
2071 lpfc_sli_hbq_size(),
2072 &phba->hbqslimp.phys,
2073 GFP_KERNEL);
2074 if (!phba->hbqslimp.virt)
2075 goto out_free_slim;
2076
2077 hbq_count = lpfc_sli_hbq_count();
2078 ptr = phba->hbqslimp.virt;
2079 for (i = 0; i < hbq_count; ++i) {
2080 phba->hbqs[i].hbq_virt = ptr;
2081 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
2082 ptr += (lpfc_hbq_defs[i]->entry_count *
2083 sizeof(struct lpfc_hbq_entry));
2084 }
2085 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2086 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
2087
2088 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2089
2090 INIT_LIST_HEAD(&phba->hbqbuf_in_list);
2091
2092 /* Initialize the SLI Layer to run with lpfc HBAs. */
2093 lpfc_sli_setup(phba);
2094 lpfc_sli_queue_setup(phba);
2095
2096 retval = lpfc_mem_alloc(phba);
2097 if (retval) {
2098 error = retval;
2099 goto out_free_hbqslimp;
2100 }
2101
2102 /* Initialize and populate the iocb list per host. */
2103 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2104 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2105 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
2106 if (iocbq_entry == NULL) {
2107 printk(KERN_ERR "%s: only allocated %d iocbs of "
2108 "expected %d count. Unloading driver.\n",
2109 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
2110 error = -ENOMEM;
2111 goto out_free_iocbq;
2112 }
2113
2114 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2115 if (iotag == 0) {
2116 kfree (iocbq_entry);
2117 printk(KERN_ERR "%s: failed to allocate IOTAG. "
2118 "Unloading driver.\n",
2119 __FUNCTION__);
2120 error = -ENOMEM;
2121 goto out_free_iocbq;
2122 }
2123
2124 spin_lock_irq(&phba->hbalock);
2125 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2126 phba->total_iocbq_bufs++;
2127 spin_unlock_irq(&phba->hbalock);
2128 }
2129
2130 /* Initialize HBA structure */
2131 phba->fc_edtov = FF_DEF_EDTOV;
2132 phba->fc_ratov = FF_DEF_RATOV;
2133 phba->fc_altov = FF_DEF_ALTOV;
2134 phba->fc_arbtov = FF_DEF_ARBTOV;
2135
2136 INIT_LIST_HEAD(&phba->work_list);
2137 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2138 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2139
2140 /* Startup the kernel thread for this host adapter. */
2141 phba->worker_thread = kthread_run(lpfc_do_work, phba,
2142 "lpfc_worker_%d", phba->brd_no);
2143 if (IS_ERR(phba->worker_thread)) {
2144 error = PTR_ERR(phba->worker_thread);
2145 goto out_free_iocbq;
2146 }
2147
2148 /* Initialize the list of scsi buffers used by driver for scsi IO. */
2149 spin_lock_init(&phba->scsi_buf_list_lock);
2150 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2151
2152 /* Initialize list of fabric iocbs */
2153 INIT_LIST_HEAD(&phba->fabric_iocb_list);
2154
2155 /* Initialize list to save ELS buffers */
2156 INIT_LIST_HEAD(&phba->elsbuf);
2157
2158 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2159 if (!vport)
2160 goto out_kthread_stop;
2161
2162 shost = lpfc_shost_from_vport(vport);
2163 phba->pport = vport;
2164 lpfc_debugfs_initialize(vport);
2165
2166 pci_set_drvdata(pdev, shost);
2167 phba->intr_type = NONE;
2168
2169 if (phba->cfg_use_msi == 2) {
2170 error = lpfc_enable_msix(phba);
2171 if (!error)
2172 phba->intr_type = MSIX;
2173 }
2174
2175 /* Fallback to MSI if MSI-X initialization failed */
2176 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2177 retval = pci_enable_msi(phba->pcidev);
2178 if (!retval)
2179 phba->intr_type = MSI;
2180 else
2181 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2182 "0452 Enable MSI failed, continuing "
2183 "with IRQ\n");
2184 }
2185
2186 /* MSI-X is the only case the doesn't need to call request_irq */
2187 if (phba->intr_type != MSIX) {
2188 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2189 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2190 if (retval) {
2191 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable "
2192 "interrupt handler failed\n");
2193 error = retval;
2194 goto out_disable_msi;
2195 } else if (phba->intr_type != MSI)
2196 phba->intr_type = INTx;
2197 }
2198
2199 phba->MBslimaddr = phba->slim_memmap_p;
2200 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2201 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2202 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2203 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2204
2205 if (lpfc_alloc_sysfs_attr(vport)) {
2206 error = -ENOMEM;
2207 goto out_free_irq;
2208 }
2209
2210 if (lpfc_sli_hba_setup(phba)) {
2211 error = -ENODEV;
2212 goto out_remove_device;
2213 }
2214
2215 /*
2216 * hba setup may have changed the hba_queue_depth so we need to adjust
2217 * the value of can_queue.
2218 */
2219 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2220
2221 lpfc_host_attrib_init(shost);
2222
2223 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2224 spin_lock_irq(shost->host_lock);
2225 lpfc_poll_start_timer(phba);
2226 spin_unlock_irq(shost->host_lock);
2227 }
2228
2229 scsi_scan_host(shost);
2230
2231 return 0;
2232
2233 out_remove_device:
2234 lpfc_free_sysfs_attr(vport);
2235 spin_lock_irq(shost->host_lock);
2236 vport->load_flag |= FC_UNLOADING;
2237 spin_unlock_irq(shost->host_lock);
2238 out_free_irq:
2239 lpfc_stop_phba_timers(phba);
2240 phba->pport->work_port_events = 0;
2241
2242 if (phba->intr_type == MSIX)
2243 lpfc_disable_msix(phba);
2244 else
2245 free_irq(phba->pcidev->irq, phba);
2246
2247 out_disable_msi:
2248 if (phba->intr_type == MSI)
2249 pci_disable_msi(phba->pcidev);
2250 destroy_port(vport);
2251 out_kthread_stop:
2252 kthread_stop(phba->worker_thread);
2253 out_free_iocbq:
2254 list_for_each_entry_safe(iocbq_entry, iocbq_next,
2255 &phba->lpfc_iocb_list, list) {
2256 kfree(iocbq_entry);
2257 phba->total_iocbq_bufs--;
2258 }
2259 lpfc_mem_free(phba);
2260 out_free_hbqslimp:
2261 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2262 phba->hbqslimp.phys);
2263 out_free_slim:
2264 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2265 phba->slim2p_mapping);
2266 out_iounmap:
2267 iounmap(phba->ctrl_regs_memmap_p);
2268 out_iounmap_slim:
2269 iounmap(phba->slim_memmap_p);
2270 out_idr_remove:
2271 idr_remove(&lpfc_hba_index, phba->brd_no);
2272 out_free_phba:
2273 kfree(phba);
2274 out_release_regions:
2275 pci_release_selected_regions(pdev, bars);
2276 out_disable_device:
2277 pci_disable_device(pdev);
2278 out:
2279 pci_set_drvdata(pdev, NULL);
2280 if (shost)
2281 scsi_host_put(shost);
2282 return error;
2283 }
2284
2285 static void __devexit
2286 lpfc_pci_remove_one(struct pci_dev *pdev)
2287 {
2288 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2289 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2290 struct lpfc_hba *phba = vport->phba;
2291 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2292
2293 spin_lock_irq(&phba->hbalock);
2294 vport->load_flag |= FC_UNLOADING;
2295 spin_unlock_irq(&phba->hbalock);
2296
2297 kfree(vport->vname);
2298 lpfc_free_sysfs_attr(vport);
2299
2300 kthread_stop(phba->worker_thread);
2301
2302 fc_remove_host(shost);
2303 scsi_remove_host(shost);
2304 lpfc_cleanup(vport);
2305
2306 /*
2307 * Bring down the SLI Layer. This step disable all interrupts,
2308 * clears the rings, discards all mailbox commands, and resets
2309 * the HBA.
2310 */
2311 lpfc_sli_hba_down(phba);
2312 lpfc_sli_brdrestart(phba);
2313
2314 lpfc_stop_phba_timers(phba);
2315 spin_lock_irq(&phba->hbalock);
2316 list_del_init(&vport->listentry);
2317 spin_unlock_irq(&phba->hbalock);
2318
2319 lpfc_debugfs_terminate(vport);
2320
2321 if (phba->intr_type == MSIX)
2322 lpfc_disable_msix(phba);
2323 else {
2324 free_irq(phba->pcidev->irq, phba);
2325 if (phba->intr_type == MSI)
2326 pci_disable_msi(phba->pcidev);
2327 }
2328
2329 pci_set_drvdata(pdev, NULL);
2330 scsi_host_put(shost);
2331
2332 /*
2333 * Call scsi_free before mem_free since scsi bufs are released to their
2334 * corresponding pools here.
2335 */
2336 lpfc_scsi_free(phba);
2337 lpfc_mem_free(phba);
2338
2339 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2340 phba->hbqslimp.phys);
2341
2342 /* Free resources associated with SLI2 interface */
2343 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2344 phba->slim2p, phba->slim2p_mapping);
2345
2346 /* unmap adapter SLIM and Control Registers */
2347 iounmap(phba->ctrl_regs_memmap_p);
2348 iounmap(phba->slim_memmap_p);
2349
2350 idr_remove(&lpfc_hba_index, phba->brd_no);
2351
2352 kfree(phba);
2353
2354 pci_release_selected_regions(pdev, bars);
2355 pci_disable_device(pdev);
2356 }
2357
2358 /**
2359 * lpfc_io_error_detected - called when PCI error is detected
2360 * @pdev: Pointer to PCI device
2361 * @state: The current pci conneection state
2362 *
2363 * This function is called after a PCI bus error affecting
2364 * this device has been detected.
2365 */
2366 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2367 pci_channel_state_t state)
2368 {
2369 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2370 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2371 struct lpfc_sli *psli = &phba->sli;
2372 struct lpfc_sli_ring *pring;
2373
2374 if (state == pci_channel_io_perm_failure)
2375 return PCI_ERS_RESULT_DISCONNECT;
2376
2377 pci_disable_device(pdev);
2378 /*
2379 * There may be I/Os dropped by the firmware.
2380 * Error iocb (I/O) on txcmplq and let the SCSI layer
2381 * retry it after re-establishing link.
2382 */
2383 pring = &psli->ring[psli->fcp_ring];
2384 lpfc_sli_abort_iocb_ring(phba, pring);
2385
2386 if (phba->intr_type == MSIX)
2387 lpfc_disable_msix(phba);
2388 else {
2389 free_irq(phba->pcidev->irq, phba);
2390 if (phba->intr_type == MSI)
2391 pci_disable_msi(phba->pcidev);
2392 }
2393
2394 /* Request a slot reset. */
2395 return PCI_ERS_RESULT_NEED_RESET;
2396 }
2397
2398 /**
2399 * lpfc_io_slot_reset - called after the pci bus has been reset.
2400 * @pdev: Pointer to PCI device
2401 *
2402 * Restart the card from scratch, as if from a cold-boot.
2403 */
2404 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2405 {
2406 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2407 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2408 struct lpfc_sli *psli = &phba->sli;
2409
2410 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2411 if (pci_enable_device_mem(pdev)) {
2412 printk(KERN_ERR "lpfc: Cannot re-enable "
2413 "PCI device after reset.\n");
2414 return PCI_ERS_RESULT_DISCONNECT;
2415 }
2416
2417 pci_set_master(pdev);
2418
2419 /* Re-establishing Link */
2420 spin_lock_irq(shost->host_lock);
2421 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2422 spin_unlock_irq(shost->host_lock);
2423
2424 spin_lock_irq(&phba->hbalock);
2425 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2426 spin_unlock_irq(&phba->hbalock);
2427
2428
2429 /* Take device offline; this will perform cleanup */
2430 lpfc_offline(phba);
2431 lpfc_sli_brdrestart(phba);
2432
2433 return PCI_ERS_RESULT_RECOVERED;
2434 }
2435
2436 /**
2437 * lpfc_io_resume - called when traffic can start flowing again.
2438 * @pdev: Pointer to PCI device
2439 *
2440 * This callback is called when the error recovery driver tells us that
2441 * its OK to resume normal operation.
2442 */
2443 static void lpfc_io_resume(struct pci_dev *pdev)
2444 {
2445 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2446 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2447
2448 if (lpfc_online(phba) == 0) {
2449 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2450 }
2451 }
2452
2453 static struct pci_device_id lpfc_id_table[] = {
2454 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2455 PCI_ANY_ID, PCI_ANY_ID, },
2456 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2457 PCI_ANY_ID, PCI_ANY_ID, },
2458 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2459 PCI_ANY_ID, PCI_ANY_ID, },
2460 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2461 PCI_ANY_ID, PCI_ANY_ID, },
2462 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2463 PCI_ANY_ID, PCI_ANY_ID, },
2464 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2465 PCI_ANY_ID, PCI_ANY_ID, },
2466 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2467 PCI_ANY_ID, PCI_ANY_ID, },
2468 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2469 PCI_ANY_ID, PCI_ANY_ID, },
2470 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2471 PCI_ANY_ID, PCI_ANY_ID, },
2472 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2473 PCI_ANY_ID, PCI_ANY_ID, },
2474 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2475 PCI_ANY_ID, PCI_ANY_ID, },
2476 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2477 PCI_ANY_ID, PCI_ANY_ID, },
2478 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2479 PCI_ANY_ID, PCI_ANY_ID, },
2480 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2481 PCI_ANY_ID, PCI_ANY_ID, },
2482 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2483 PCI_ANY_ID, PCI_ANY_ID, },
2484 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2485 PCI_ANY_ID, PCI_ANY_ID, },
2486 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2487 PCI_ANY_ID, PCI_ANY_ID, },
2488 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2489 PCI_ANY_ID, PCI_ANY_ID, },
2490 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2491 PCI_ANY_ID, PCI_ANY_ID, },
2492 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2493 PCI_ANY_ID, PCI_ANY_ID, },
2494 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2495 PCI_ANY_ID, PCI_ANY_ID, },
2496 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2497 PCI_ANY_ID, PCI_ANY_ID, },
2498 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2499 PCI_ANY_ID, PCI_ANY_ID, },
2500 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2501 PCI_ANY_ID, PCI_ANY_ID, },
2502 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2503 PCI_ANY_ID, PCI_ANY_ID, },
2504 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2505 PCI_ANY_ID, PCI_ANY_ID, },
2506 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2507 PCI_ANY_ID, PCI_ANY_ID, },
2508 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2509 PCI_ANY_ID, PCI_ANY_ID, },
2510 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2511 PCI_ANY_ID, PCI_ANY_ID, },
2512 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2513 PCI_ANY_ID, PCI_ANY_ID, },
2514 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2515 PCI_ANY_ID, PCI_ANY_ID, },
2516 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2517 PCI_ANY_ID, PCI_ANY_ID, },
2518 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2519 PCI_ANY_ID, PCI_ANY_ID, },
2520 { 0 }
2521 };
2522
2523 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2524
2525 static struct pci_error_handlers lpfc_err_handler = {
2526 .error_detected = lpfc_io_error_detected,
2527 .slot_reset = lpfc_io_slot_reset,
2528 .resume = lpfc_io_resume,
2529 };
2530
2531 static struct pci_driver lpfc_driver = {
2532 .name = LPFC_DRIVER_NAME,
2533 .id_table = lpfc_id_table,
2534 .probe = lpfc_pci_probe_one,
2535 .remove = __devexit_p(lpfc_pci_remove_one),
2536 .err_handler = &lpfc_err_handler,
2537 };
2538
2539 static int __init
2540 lpfc_init(void)
2541 {
2542 int error = 0;
2543
2544 printk(LPFC_MODULE_DESC "\n");
2545 printk(LPFC_COPYRIGHT "\n");
2546
2547 if (lpfc_enable_npiv) {
2548 lpfc_transport_functions.vport_create = lpfc_vport_create;
2549 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2550 }
2551 lpfc_transport_template =
2552 fc_attach_transport(&lpfc_transport_functions);
2553 if (lpfc_transport_template == NULL)
2554 return -ENOMEM;
2555 if (lpfc_enable_npiv) {
2556 lpfc_vport_transport_template =
2557 fc_attach_transport(&lpfc_vport_transport_functions);
2558 if (lpfc_vport_transport_template == NULL) {
2559 fc_release_transport(lpfc_transport_template);
2560 return -ENOMEM;
2561 }
2562 }
2563 error = pci_register_driver(&lpfc_driver);
2564 if (error) {
2565 fc_release_transport(lpfc_transport_template);
2566 fc_release_transport(lpfc_vport_transport_template);
2567 }
2568
2569 return error;
2570 }
2571
2572 static void __exit
2573 lpfc_exit(void)
2574 {
2575 pci_unregister_driver(&lpfc_driver);
2576 fc_release_transport(lpfc_transport_template);
2577 if (lpfc_enable_npiv)
2578 fc_release_transport(lpfc_vport_transport_template);
2579 }
2580
2581 module_init(lpfc_init);
2582 module_exit(lpfc_exit);
2583 MODULE_LICENSE("GPL");
2584 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2585 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2586 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux with added FPC-III support