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RT-AC66 3.0.0.4.374.130 core
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / scsi / lpfc / lpfc_init.c
blobbaa51db5499c9651d2a270ace2af044ae7f2aff9
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35
36 #include "lpfc_hw.h"
37 #include "lpfc_sli.h"
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
40 #include "lpfc.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
44
45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
48
49 static struct scsi_transport_template *lpfc_transport_template = NULL;
50 static DEFINE_IDR(lpfc_hba_index);
51
52 /************************************************************************/
53 /* */
54 /* lpfc_config_port_prep */
55 /* This routine will do LPFC initialization prior to the */
56 /* CONFIG_PORT mailbox command. This will be initialized */
57 /* as a SLI layer callback routine. */
58 /* This routine returns 0 on success or -ERESTART if it wants */
59 /* the SLI layer to reset the HBA and try again. Any */
60 /* other return value indicates an error. */
61 /* */
62 /************************************************************************/
63 int
64 lpfc_config_port_prep(struct lpfc_hba * phba)
65 {
66 lpfc_vpd_t *vp = &phba->vpd;
67 int i = 0, rc;
68 LPFC_MBOXQ_t *pmb;
69 MAILBOX_t *mb;
70 char *lpfc_vpd_data = NULL;
71 uint16_t offset = 0;
72 static char licensed[56] =
73 "key unlock for use with gnu public licensed code only\0";
74 static int init_key = 1;
75
76 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
77 if (!pmb) {
78 phba->hba_state = LPFC_HBA_ERROR;
79 return -ENOMEM;
80 }
81
82 mb = &pmb->mb;
83 phba->hba_state = LPFC_INIT_MBX_CMDS;
84
85 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
86 if (init_key) {
87 uint32_t *ptext = (uint32_t *) licensed;
88
89 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
90 *ptext = cpu_to_be32(*ptext);
91 init_key = 0;
92 }
93
94 lpfc_read_nv(phba, pmb);
95 memset((char*)mb->un.varRDnvp.rsvd3, 0,
96 sizeof (mb->un.varRDnvp.rsvd3));
97 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
98 sizeof (licensed));
99
100 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
101
102 if (rc != MBX_SUCCESS) {
103 lpfc_printf_log(phba,
104 KERN_ERR,
105 LOG_MBOX,
106 "%d:0324 Config Port initialization "
107 "error, mbxCmd x%x READ_NVPARM, "
108 "mbxStatus x%x\n",
109 phba->brd_no,
110 mb->mbxCommand, mb->mbxStatus);
111 mempool_free(pmb, phba->mbox_mem_pool);
112 return -ERESTART;
113 }
114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
115 sizeof (mb->un.varRDnvp.nodename));
116 }
117
118 /* Setup and issue mailbox READ REV command */
119 lpfc_read_rev(phba, pmb);
120 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
121 if (rc != MBX_SUCCESS) {
122 lpfc_printf_log(phba,
123 KERN_ERR,
124 LOG_INIT,
125 "%d:0439 Adapter failed to init, mbxCmd x%x "
126 "READ_REV, mbxStatus x%x\n",
127 phba->brd_no,
128 mb->mbxCommand, mb->mbxStatus);
129 mempool_free( pmb, phba->mbox_mem_pool);
130 return -ERESTART;
131 }
132
133 /*
134 * The value of rr must be 1 since the driver set the cv field to 1.
135 * This setting requires the FW to set all revision fields.
136 */
137 if (mb->un.varRdRev.rr == 0) {
138 vp->rev.rBit = 0;
139 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
140 "%d:0440 Adapter failed to init, READ_REV has "
141 "missing revision information.\n",
142 phba->brd_no);
143 mempool_free(pmb, phba->mbox_mem_pool);
144 return -ERESTART;
145 }
146
147 /* Save information as VPD data */
148 vp->rev.rBit = 1;
149 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
150 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
151 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
153 vp->rev.biuRev = mb->un.varRdRev.biuRev;
154 vp->rev.smRev = mb->un.varRdRev.smRev;
155 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
156 vp->rev.endecRev = mb->un.varRdRev.endecRev;
157 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
158 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
159 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
160 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
161 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
162 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
163
164 if (lpfc_is_LC_HBA(phba->pcidev->device))
165 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
166 sizeof (phba->RandomData));
167
168 /* Get adapter VPD information */
169 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
170 if (!pmb->context2)
171 goto out_free_mbox;
172 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
173 if (!lpfc_vpd_data)
174 goto out_free_context2;
175
176 do {
177 lpfc_dump_mem(phba, pmb, offset);
178 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
179
180 if (rc != MBX_SUCCESS) {
181 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
182 "%d:0441 VPD not present on adapter, "
183 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
184 phba->brd_no,
185 mb->mbxCommand, mb->mbxStatus);
186 mb->un.varDmp.word_cnt = 0;
187 }
188 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
189 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
190 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
191 mb->un.varDmp.word_cnt);
192 offset += mb->un.varDmp.word_cnt;
193 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
194 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
195
196 kfree(lpfc_vpd_data);
197 out_free_context2:
198 kfree(pmb->context2);
199 out_free_mbox:
200 mempool_free(pmb, phba->mbox_mem_pool);
201 return 0;
202 }
203
204 /************************************************************************/
205 /* */
206 /* lpfc_config_port_post */
207 /* This routine will do LPFC initialization after the */
208 /* CONFIG_PORT mailbox command. This will be initialized */
209 /* as a SLI layer callback routine. */
210 /* This routine returns 0 on success. Any other return value */
211 /* indicates an error. */
212 /* */
213 /************************************************************************/
214 int
215 lpfc_config_port_post(struct lpfc_hba * phba)
216 {
217 LPFC_MBOXQ_t *pmb;
218 MAILBOX_t *mb;
219 struct lpfc_dmabuf *mp;
220 struct lpfc_sli *psli = &phba->sli;
221 uint32_t status, timeout;
222 int i, j, rc;
223
224 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
225 if (!pmb) {
226 phba->hba_state = LPFC_HBA_ERROR;
227 return -ENOMEM;
228 }
229 mb = &pmb->mb;
230
231 lpfc_config_link(phba, pmb);
232 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
233 if (rc != MBX_SUCCESS) {
234 lpfc_printf_log(phba,
235 KERN_ERR,
236 LOG_INIT,
237 "%d:0447 Adapter failed init, mbxCmd x%x "
238 "CONFIG_LINK mbxStatus x%x\n",
239 phba->brd_no,
240 mb->mbxCommand, mb->mbxStatus);
241 phba->hba_state = LPFC_HBA_ERROR;
242 mempool_free( pmb, phba->mbox_mem_pool);
243 return -EIO;
244 }
245
246 /* Get login parameters for NID. */
247 lpfc_read_sparam(phba, pmb);
248 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
249 lpfc_printf_log(phba,
250 KERN_ERR,
251 LOG_INIT,
252 "%d:0448 Adapter failed init, mbxCmd x%x "
253 "READ_SPARM mbxStatus x%x\n",
254 phba->brd_no,
255 mb->mbxCommand, mb->mbxStatus);
256 phba->hba_state = LPFC_HBA_ERROR;
257 mp = (struct lpfc_dmabuf *) pmb->context1;
258 mempool_free( pmb, phba->mbox_mem_pool);
259 lpfc_mbuf_free(phba, mp->virt, mp->phys);
260 kfree(mp);
261 return -EIO;
262 }
263
264 mp = (struct lpfc_dmabuf *) pmb->context1;
265
266 memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
267 lpfc_mbuf_free(phba, mp->virt, mp->phys);
268 kfree(mp);
269 pmb->context1 = NULL;
270
271 if (phba->cfg_soft_wwnn)
272 u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
273 if (phba->cfg_soft_wwpn)
274 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
275 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
276 sizeof (struct lpfc_name));
277 memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
278 sizeof (struct lpfc_name));
279 /* If no serial number in VPD data, use low 6 bytes of WWNN */
280 /* This should be consolidated into parse_vpd ? - mr */
281 if (phba->SerialNumber[0] == 0) {
282 uint8_t *outptr;
283
284 outptr = &phba->fc_nodename.u.s.IEEE[0];
285 for (i = 0; i < 12; i++) {
286 status = *outptr++;
287 j = ((status & 0xf0) >> 4);
288 if (j <= 9)
289 phba->SerialNumber[i] =
290 (char)((uint8_t) 0x30 + (uint8_t) j);
291 else
292 phba->SerialNumber[i] =
293 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
294 i++;
295 j = (status & 0xf);
296 if (j <= 9)
297 phba->SerialNumber[i] =
298 (char)((uint8_t) 0x30 + (uint8_t) j);
299 else
300 phba->SerialNumber[i] =
301 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
302 }
303 }
304
305 lpfc_read_config(phba, pmb);
306 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
307 lpfc_printf_log(phba,
308 KERN_ERR,
309 LOG_INIT,
310 "%d:0453 Adapter failed to init, mbxCmd x%x "
311 "READ_CONFIG, mbxStatus x%x\n",
312 phba->brd_no,
313 mb->mbxCommand, mb->mbxStatus);
314 phba->hba_state = LPFC_HBA_ERROR;
315 mempool_free( pmb, phba->mbox_mem_pool);
316 return -EIO;
317 }
318
319 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
320 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
321 phba->cfg_hba_queue_depth =
322 mb->un.varRdConfig.max_xri + 1;
323
324 phba->lmt = mb->un.varRdConfig.lmt;
325
326 /* Get the default values for Model Name and Description */
327 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
328
329 if ((phba->cfg_link_speed > LINK_SPEED_10G)
330 || ((phba->cfg_link_speed == LINK_SPEED_1G)
331 && !(phba->lmt & LMT_1Gb))
332 || ((phba->cfg_link_speed == LINK_SPEED_2G)
333 && !(phba->lmt & LMT_2Gb))
334 || ((phba->cfg_link_speed == LINK_SPEED_4G)
335 && !(phba->lmt & LMT_4Gb))
336 || ((phba->cfg_link_speed == LINK_SPEED_8G)
337 && !(phba->lmt & LMT_8Gb))
338 || ((phba->cfg_link_speed == LINK_SPEED_10G)
339 && !(phba->lmt & LMT_10Gb))) {
340 /* Reset link speed to auto */
341 lpfc_printf_log(phba,
342 KERN_WARNING,
343 LOG_LINK_EVENT,
344 "%d:1302 Invalid speed for this board: "
345 "Reset link speed to auto: x%x\n",
346 phba->brd_no,
347 phba->cfg_link_speed);
348 phba->cfg_link_speed = LINK_SPEED_AUTO;
349 }
350
351 phba->hba_state = LPFC_LINK_DOWN;
352
353 /* Only process IOCBs on ring 0 till hba_state is READY */
354 if (psli->ring[psli->extra_ring].cmdringaddr)
355 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
356 if (psli->ring[psli->fcp_ring].cmdringaddr)
357 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
358 if (psli->ring[psli->next_ring].cmdringaddr)
359 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
360
361 /* Post receive buffers for desired rings */
362 lpfc_post_rcv_buf(phba);
363
364 /* Enable appropriate host interrupts */
365 spin_lock_irq(phba->host->host_lock);
366 status = readl(phba->HCregaddr);
367 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
368 if (psli->num_rings > 0)
369 status |= HC_R0INT_ENA;
370 if (psli->num_rings > 1)
371 status |= HC_R1INT_ENA;
372 if (psli->num_rings > 2)
373 status |= HC_R2INT_ENA;
374 if (psli->num_rings > 3)
375 status |= HC_R3INT_ENA;
376
377 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
378 (phba->cfg_poll & DISABLE_FCP_RING_INT))
379 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
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 mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout);
390
391 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
392 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
393 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
394 lpfc_set_loopback_flag(phba);
395 if (rc != MBX_SUCCESS) {
396 lpfc_printf_log(phba,
397 KERN_ERR,
398 LOG_INIT,
399 "%d:0454 Adapter failed to init, mbxCmd x%x "
400 "INIT_LINK, mbxStatus x%x\n",
401 phba->brd_no,
402 mb->mbxCommand, mb->mbxStatus);
403
404 /* Clear all interrupt enable conditions */
405 writel(0, phba->HCregaddr);
406 readl(phba->HCregaddr); /* flush */
407 /* Clear all pending interrupts */
408 writel(0xffffffff, phba->HAregaddr);
409 readl(phba->HAregaddr); /* flush */
410
411 phba->hba_state = LPFC_HBA_ERROR;
412 if (rc != MBX_BUSY)
413 mempool_free(pmb, phba->mbox_mem_pool);
414 return -EIO;
415 }
416 /* MBOX buffer will be freed in mbox compl */
417
418 return (0);
419 }
420
421 /************************************************************************/
422 /* */
423 /* lpfc_hba_down_prep */
424 /* This routine will do LPFC uninitialization before the */
425 /* HBA is reset when bringing down the SLI Layer. This will be */
426 /* initialized as a SLI layer callback routine. */
427 /* This routine returns 0 on success. Any other return value */
428 /* indicates an error. */
429 /* */
430 /************************************************************************/
431 int
432 lpfc_hba_down_prep(struct lpfc_hba * phba)
433 {
434 /* Disable interrupts */
435 writel(0, phba->HCregaddr);
436 readl(phba->HCregaddr); /* flush */
437
438 /* Cleanup potential discovery resources */
439 lpfc_els_flush_rscn(phba);
440 lpfc_els_flush_cmd(phba);
441 lpfc_disc_flush_list(phba);
442
443 return (0);
444 }
445
446 /************************************************************************/
447 /* */
448 /* lpfc_hba_down_post */
449 /* This routine will do uninitialization after the HBA is reset */
450 /* when bringing down the SLI Layer. */
451 /* This routine returns 0 on success. Any other return value */
452 /* indicates an error. */
453 /* */
454 /************************************************************************/
455 int
456 lpfc_hba_down_post(struct lpfc_hba * phba)
457 {
458 struct lpfc_sli *psli = &phba->sli;
459 struct lpfc_sli_ring *pring;
460 struct lpfc_dmabuf *mp, *next_mp;
461 int i;
462
463 /* Cleanup preposted buffers on the ELS ring */
464 pring = &psli->ring[LPFC_ELS_RING];
465 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
466 list_del(&mp->list);
467 pring->postbufq_cnt--;
468 lpfc_mbuf_free(phba, mp->virt, mp->phys);
469 kfree(mp);
470 }
471
472 for (i = 0; i < psli->num_rings; i++) {
473 pring = &psli->ring[i];
474 lpfc_sli_abort_iocb_ring(phba, pring);
475 }
476
477 return 0;
478 }
479
480 /************************************************************************/
481 /* */
482 /* lpfc_handle_eratt */
483 /* This routine will handle processing a Host Attention */
484 /* Error Status event. This will be initialized */
485 /* as a SLI layer callback routine. */
486 /* */
487 /************************************************************************/
488 void
489 lpfc_handle_eratt(struct lpfc_hba * phba)
490 {
491 struct lpfc_sli *psli = &phba->sli;
492 struct lpfc_sli_ring *pring;
493 uint32_t event_data;
494 /* If the pci channel is offline, ignore possible errors,
495 * since we cannot communicate with the pci card anyway. */
496 if (pci_channel_offline(phba->pcidev))
497 return;
498
499 if (phba->work_hs & HS_FFER6 ||
500 phba->work_hs & HS_FFER5) {
501 /* Re-establishing Link */
502 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
503 "%d:1301 Re-establishing Link "
504 "Data: x%x x%x x%x\n",
505 phba->brd_no, phba->work_hs,
506 phba->work_status[0], phba->work_status[1]);
507 spin_lock_irq(phba->host->host_lock);
508 phba->fc_flag |= FC_ESTABLISH_LINK;
509 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
510 spin_unlock_irq(phba->host->host_lock);
511
512 /*
513 * Firmware stops when it triggled erratt with HS_FFER6.
514 * That could cause the I/Os dropped by the firmware.
515 * Error iocb (I/O) on txcmplq and let the SCSI layer
516 * retry it after re-establishing link.
517 */
518 pring = &psli->ring[psli->fcp_ring];
519 lpfc_sli_abort_iocb_ring(phba, pring);
520
521
522 /*
523 * There was a firmware error. Take the hba offline and then
524 * attempt to restart it.
525 */
526 lpfc_offline_prep(phba);
527 lpfc_offline(phba);
528 lpfc_sli_brdrestart(phba);
529 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
530 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
531 lpfc_unblock_mgmt_io(phba);
532 return;
533 }
534 lpfc_unblock_mgmt_io(phba);
535 } else {
536 /* The if clause above forces this code path when the status
537 * failure is a value other than FFER6. Do not call the offline
538 * twice. This is the adapter hardware error path.
539 */
540 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
541 "%d:0457 Adapter Hardware Error "
542 "Data: x%x x%x x%x\n",
543 phba->brd_no, phba->work_hs,
544 phba->work_status[0], phba->work_status[1]);
545
546 event_data = FC_REG_DUMP_EVENT;
547 fc_host_post_vendor_event(phba->host, fc_get_event_number(),
548 sizeof(event_data), (char *) &event_data,
549 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
550
551 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
552 lpfc_offline_prep(phba);
553 lpfc_offline(phba);
554 lpfc_unblock_mgmt_io(phba);
555 phba->hba_state = LPFC_HBA_ERROR;
556 lpfc_hba_down_post(phba);
557 }
558 }
559
560 /************************************************************************/
561 /* */
562 /* lpfc_handle_latt */
563 /* This routine will handle processing a Host Attention */
564 /* Link Status event. This will be initialized */
565 /* as a SLI layer callback routine. */
566 /* */
567 /************************************************************************/
568 void
569 lpfc_handle_latt(struct lpfc_hba * phba)
570 {
571 struct lpfc_sli *psli = &phba->sli;
572 LPFC_MBOXQ_t *pmb;
573 volatile uint32_t control;
574 struct lpfc_dmabuf *mp;
575 int rc = -ENOMEM;
576
577 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
578 if (!pmb)
579 goto lpfc_handle_latt_err_exit;
580
581 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
582 if (!mp)
583 goto lpfc_handle_latt_free_pmb;
584
585 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
586 if (!mp->virt)
587 goto lpfc_handle_latt_free_mp;
588
589 rc = -EIO;
590
591 /* Cleanup any outstanding ELS commands */
592 lpfc_els_flush_cmd(phba);
593
594 psli->slistat.link_event++;
595 lpfc_read_la(phba, pmb, mp);
596 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
597 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
598 if (rc == MBX_NOT_FINISHED)
599 goto lpfc_handle_latt_free_mbuf;
600
601 /* Clear Link Attention in HA REG */
602 spin_lock_irq(phba->host->host_lock);
603 writel(HA_LATT, phba->HAregaddr);
604 readl(phba->HAregaddr); /* flush */
605 spin_unlock_irq(phba->host->host_lock);
606
607 return;
608
609 lpfc_handle_latt_free_mbuf:
610 lpfc_mbuf_free(phba, mp->virt, mp->phys);
611 lpfc_handle_latt_free_mp:
612 kfree(mp);
613 lpfc_handle_latt_free_pmb:
614 mempool_free(pmb, phba->mbox_mem_pool);
615 lpfc_handle_latt_err_exit:
616 /* Enable Link attention interrupts */
617 spin_lock_irq(phba->host->host_lock);
618 psli->sli_flag |= LPFC_PROCESS_LA;
619 control = readl(phba->HCregaddr);
620 control |= HC_LAINT_ENA;
621 writel(control, phba->HCregaddr);
622 readl(phba->HCregaddr); /* flush */
623
624 /* Clear Link Attention in HA REG */
625 writel(HA_LATT, phba->HAregaddr);
626 readl(phba->HAregaddr); /* flush */
627 spin_unlock_irq(phba->host->host_lock);
628 lpfc_linkdown(phba);
629 phba->hba_state = LPFC_HBA_ERROR;
630
631 /* The other case is an error from issue_mbox */
632 if (rc == -ENOMEM)
633 lpfc_printf_log(phba,
634 KERN_WARNING,
635 LOG_MBOX,
636 "%d:0300 READ_LA: no buffers\n",
637 phba->brd_no);
638
639 return;
640 }
641
642 /************************************************************************/
643 /* */
644 /* lpfc_parse_vpd */
645 /* This routine will parse the VPD data */
646 /* */
647 /************************************************************************/
648 static int
649 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
650 {
651 uint8_t lenlo, lenhi;
652 int Length;
653 int i, j;
654 int finished = 0;
655 int index = 0;
656
657 if (!vpd)
658 return 0;
659
660 /* Vital Product */
661 lpfc_printf_log(phba,
662 KERN_INFO,
663 LOG_INIT,
664 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
665 phba->brd_no,
666 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
667 (uint32_t) vpd[3]);
668 while (!finished && (index < (len - 4))) {
669 switch (vpd[index]) {
670 case 0x82:
671 case 0x91:
672 index += 1;
673 lenlo = vpd[index];
674 index += 1;
675 lenhi = vpd[index];
676 index += 1;
677 i = ((((unsigned short)lenhi) << 8) + lenlo);
678 index += i;
679 break;
680 case 0x90:
681 index += 1;
682 lenlo = vpd[index];
683 index += 1;
684 lenhi = vpd[index];
685 index += 1;
686 Length = ((((unsigned short)lenhi) << 8) + lenlo);
687 if (Length > len - index)
688 Length = len - index;
689 while (Length > 0) {
690 /* Look for Serial Number */
691 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
692 index += 2;
693 i = vpd[index];
694 index += 1;
695 j = 0;
696 Length -= (3+i);
697 while(i--) {
698 phba->SerialNumber[j++] = vpd[index++];
699 if (j == 31)
700 break;
701 }
702 phba->SerialNumber[j] = 0;
703 continue;
704 }
705 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
706 phba->vpd_flag |= VPD_MODEL_DESC;
707 index += 2;
708 i = vpd[index];
709 index += 1;
710 j = 0;
711 Length -= (3+i);
712 while(i--) {
713 phba->ModelDesc[j++] = vpd[index++];
714 if (j == 255)
715 break;
716 }
717 phba->ModelDesc[j] = 0;
718 continue;
719 }
720 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
721 phba->vpd_flag |= VPD_MODEL_NAME;
722 index += 2;
723 i = vpd[index];
724 index += 1;
725 j = 0;
726 Length -= (3+i);
727 while(i--) {
728 phba->ModelName[j++] = vpd[index++];
729 if (j == 79)
730 break;
731 }
732 phba->ModelName[j] = 0;
733 continue;
734 }
735 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
736 phba->vpd_flag |= VPD_PROGRAM_TYPE;
737 index += 2;
738 i = vpd[index];
739 index += 1;
740 j = 0;
741 Length -= (3+i);
742 while(i--) {
743 phba->ProgramType[j++] = vpd[index++];
744 if (j == 255)
745 break;
746 }
747 phba->ProgramType[j] = 0;
748 continue;
749 }
750 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
751 phba->vpd_flag |= VPD_PORT;
752 index += 2;
753 i = vpd[index];
754 index += 1;
755 j = 0;
756 Length -= (3+i);
757 while(i--) {
758 phba->Port[j++] = vpd[index++];
759 if (j == 19)
760 break;
761 }
762 phba->Port[j] = 0;
763 continue;
764 }
765 else {
766 index += 2;
767 i = vpd[index];
768 index += 1;
769 index += i;
770 Length -= (3 + i);
771 }
772 }
773 finished = 0;
774 break;
775 case 0x78:
776 finished = 1;
777 break;
778 default:
779 index ++;
780 break;
781 }
782 }
783
784 return(1);
785 }
786
787 static void
788 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
789 {
790 lpfc_vpd_t *vp;
791 uint16_t dev_id = phba->pcidev->device;
792 int max_speed;
793 struct {
794 char * name;
795 int max_speed;
796 char * bus;
797 } m = {"<Unknown>", 0, ""};
798
799 if (mdp && mdp[0] != '\0'
800 && descp && descp[0] != '\0')
801 return;
802
803 if (phba->lmt & LMT_10Gb)
804 max_speed = 10;
805 else if (phba->lmt & LMT_8Gb)
806 max_speed = 8;
807 else if (phba->lmt & LMT_4Gb)
808 max_speed = 4;
809 else if (phba->lmt & LMT_2Gb)
810 max_speed = 2;
811 else
812 max_speed = 1;
813
814 vp = &phba->vpd;
815
816 switch (dev_id) {
817 case PCI_DEVICE_ID_FIREFLY:
818 m = (typeof(m)){"LP6000", max_speed, "PCI"};
819 break;
820 case PCI_DEVICE_ID_SUPERFLY:
821 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
822 m = (typeof(m)){"LP7000", max_speed, "PCI"};
823 else
824 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
825 break;
826 case PCI_DEVICE_ID_DRAGONFLY:
827 m = (typeof(m)){"LP8000", max_speed, "PCI"};
828 break;
829 case PCI_DEVICE_ID_CENTAUR:
830 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
831 m = (typeof(m)){"LP9002", max_speed, "PCI"};
832 else
833 m = (typeof(m)){"LP9000", max_speed, "PCI"};
834 break;
835 case PCI_DEVICE_ID_RFLY:
836 m = (typeof(m)){"LP952", max_speed, "PCI"};
837 break;
838 case PCI_DEVICE_ID_PEGASUS:
839 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
840 break;
841 case PCI_DEVICE_ID_THOR:
842 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
843 break;
844 case PCI_DEVICE_ID_VIPER:
845 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
846 break;
847 case PCI_DEVICE_ID_PFLY:
848 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
849 break;
850 case PCI_DEVICE_ID_TFLY:
851 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
852 break;
853 case PCI_DEVICE_ID_HELIOS:
854 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
855 break;
856 case PCI_DEVICE_ID_HELIOS_SCSP:
857 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
858 break;
859 case PCI_DEVICE_ID_HELIOS_DCSP:
860 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
861 break;
862 case PCI_DEVICE_ID_NEPTUNE:
863 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
864 break;
865 case PCI_DEVICE_ID_NEPTUNE_SCSP:
866 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
867 break;
868 case PCI_DEVICE_ID_NEPTUNE_DCSP:
869 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
870 break;
871 case PCI_DEVICE_ID_BMID:
872 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
873 break;
874 case PCI_DEVICE_ID_BSMB:
875 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
876 break;
877 case PCI_DEVICE_ID_ZEPHYR:
878 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
879 break;
880 case PCI_DEVICE_ID_ZEPHYR_SCSP:
881 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
882 break;
883 case PCI_DEVICE_ID_ZEPHYR_DCSP:
884 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
885 break;
886 case PCI_DEVICE_ID_ZMID:
887 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
888 break;
889 case PCI_DEVICE_ID_ZSMB:
890 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
891 break;
892 case PCI_DEVICE_ID_LP101:
893 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
894 break;
895 case PCI_DEVICE_ID_LP10000S:
896 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
897 break;
898 case PCI_DEVICE_ID_LP11000S:
899 m = (typeof(m)){"LP11000-S", max_speed,
900 "PCI-X2"};
901 break;
902 case PCI_DEVICE_ID_LPE11000S:
903 m = (typeof(m)){"LPe11000-S", max_speed,
904 "PCIe"};
905 break;
906 case PCI_DEVICE_ID_SAT:
907 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
908 break;
909 case PCI_DEVICE_ID_SAT_MID:
910 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
911 break;
912 case PCI_DEVICE_ID_SAT_SMB:
913 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
914 break;
915 case PCI_DEVICE_ID_SAT_DCSP:
916 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
917 break;
918 case PCI_DEVICE_ID_SAT_SCSP:
919 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
920 break;
921 case PCI_DEVICE_ID_SAT_S:
922 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
923 break;
924 default:
925 m = (typeof(m)){ NULL };
926 break;
927 }
928
929 if (mdp && mdp[0] == '\0')
930 snprintf(mdp, 79,"%s", m.name);
931 if (descp && descp[0] == '\0')
932 snprintf(descp, 255,
933 "Emulex %s %dGb %s Fibre Channel Adapter",
934 m.name, m.max_speed, m.bus);
935 }
936
937 /**************************************************/
938 /* lpfc_post_buffer */
939 /* */
940 /* This routine will post count buffers to the */
941 /* ring with the QUE_RING_BUF_CN command. This */
942 /* allows 3 buffers / command to be posted. */
943 /* Returns the number of buffers NOT posted. */
944 /**************************************************/
945 int
946 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
947 int type)
948 {
949 IOCB_t *icmd;
950 struct lpfc_iocbq *iocb;
951 struct lpfc_dmabuf *mp1, *mp2;
952
953 cnt += pring->missbufcnt;
954
955 /* While there are buffers to post */
956 while (cnt > 0) {
957 /* Allocate buffer for command iocb */
958 spin_lock_irq(phba->host->host_lock);
959 iocb = lpfc_sli_get_iocbq(phba);
960 spin_unlock_irq(phba->host->host_lock);
961 if (iocb == NULL) {
962 pring->missbufcnt = cnt;
963 return cnt;
964 }
965 icmd = &iocb->iocb;
966
967 /* 2 buffers can be posted per command */
968 /* Allocate buffer to post */
969 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
970 if (mp1)
971 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
972 &mp1->phys);
973 if (mp1 == 0 || mp1->virt == 0) {
974 kfree(mp1);
975 spin_lock_irq(phba->host->host_lock);
976 lpfc_sli_release_iocbq(phba, iocb);
977 spin_unlock_irq(phba->host->host_lock);
978 pring->missbufcnt = cnt;
979 return cnt;
980 }
981
982 INIT_LIST_HEAD(&mp1->list);
983 /* Allocate buffer to post */
984 if (cnt > 1) {
985 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
986 if (mp2)
987 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
988 &mp2->phys);
989 if (mp2 == 0 || mp2->virt == 0) {
990 kfree(mp2);
991 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
992 kfree(mp1);
993 spin_lock_irq(phba->host->host_lock);
994 lpfc_sli_release_iocbq(phba, iocb);
995 spin_unlock_irq(phba->host->host_lock);
996 pring->missbufcnt = cnt;
997 return cnt;
998 }
999
1000 INIT_LIST_HEAD(&mp2->list);
1001 } else {
1002 mp2 = NULL;
1003 }
1004
1005 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1006 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1007 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1008 icmd->ulpBdeCount = 1;
1009 cnt--;
1010 if (mp2) {
1011 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1012 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1013 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1014 cnt--;
1015 icmd->ulpBdeCount = 2;
1016 }
1017
1018 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1019 icmd->ulpLe = 1;
1020
1021 spin_lock_irq(phba->host->host_lock);
1022 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1023 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1024 kfree(mp1);
1025 cnt++;
1026 if (mp2) {
1027 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1028 kfree(mp2);
1029 cnt++;
1030 }
1031 lpfc_sli_release_iocbq(phba, iocb);
1032 pring->missbufcnt = cnt;
1033 spin_unlock_irq(phba->host->host_lock);
1034 return cnt;
1035 }
1036 spin_unlock_irq(phba->host->host_lock);
1037 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1038 if (mp2) {
1039 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1040 }
1041 }
1042 pring->missbufcnt = 0;
1043 return 0;
1044 }
1045
1046 /************************************************************************/
1047 /* */
1048 /* lpfc_post_rcv_buf */
1049 /* This routine post initial rcv buffers to the configured rings */
1050 /* */
1051 /************************************************************************/
1052 static int
1053 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1054 {
1055 struct lpfc_sli *psli = &phba->sli;
1056
1057 /* Ring 0, ELS / CT buffers */
1058 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1059 /* Ring 2 - FCP no buffers needed */
1060
1061 return 0;
1062 }
1063
1064 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1065
1066 /************************************************************************/
1067 /* */
1068 /* lpfc_sha_init */
1069 /* */
1070 /************************************************************************/
1071 static void
1072 lpfc_sha_init(uint32_t * HashResultPointer)
1073 {
1074 HashResultPointer[0] = 0x67452301;
1075 HashResultPointer[1] = 0xEFCDAB89;
1076 HashResultPointer[2] = 0x98BADCFE;
1077 HashResultPointer[3] = 0x10325476;
1078 HashResultPointer[4] = 0xC3D2E1F0;
1079 }
1080
1081 /************************************************************************/
1082 /* */
1083 /* lpfc_sha_iterate */
1084 /* */
1085 /************************************************************************/
1086 static void
1087 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1088 {
1089 int t;
1090 uint32_t TEMP;
1091 uint32_t A, B, C, D, E;
1092 t = 16;
1093 do {
1094 HashWorkingPointer[t] =
1095 S(1,
1096 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1097 8] ^
1098 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1099 } while (++t <= 79);
1100 t = 0;
1101 A = HashResultPointer[0];
1102 B = HashResultPointer[1];
1103 C = HashResultPointer[2];
1104 D = HashResultPointer[3];
1105 E = HashResultPointer[4];
1106
1107 do {
1108 if (t < 20) {
1109 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1110 } else if (t < 40) {
1111 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1112 } else if (t < 60) {
1113 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1114 } else {
1115 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1116 }
1117 TEMP += S(5, A) + E + HashWorkingPointer[t];
1118 E = D;
1119 D = C;
1120 C = S(30, B);
1121 B = A;
1122 A = TEMP;
1123 } while (++t <= 79);
1124
1125 HashResultPointer[0] += A;
1126 HashResultPointer[1] += B;
1127 HashResultPointer[2] += C;
1128 HashResultPointer[3] += D;
1129 HashResultPointer[4] += E;
1130
1131 }
1132
1133 /************************************************************************/
1134 /* */
1135 /* lpfc_challenge_key */
1136 /* */
1137 /************************************************************************/
1138 static void
1139 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1140 {
1141 *HashWorking = (*RandomChallenge ^ *HashWorking);
1142 }
1143
1144 /************************************************************************/
1145 /* */
1146 /* lpfc_hba_init */
1147 /* */
1148 /************************************************************************/
1149 void
1150 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1151 {
1152 int t;
1153 uint32_t *HashWorking;
1154 uint32_t *pwwnn = phba->wwnn;
1155
1156 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1157 if (!HashWorking)
1158 return;
1159
1160 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1161 HashWorking[0] = HashWorking[78] = *pwwnn++;
1162 HashWorking[1] = HashWorking[79] = *pwwnn;
1163
1164 for (t = 0; t < 7; t++)
1165 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1166
1167 lpfc_sha_init(hbainit);
1168 lpfc_sha_iterate(hbainit, HashWorking);
1169 kfree(HashWorking);
1170 }
1171
1172 static void
1173 lpfc_cleanup(struct lpfc_hba * phba)
1174 {
1175 struct lpfc_nodelist *ndlp, *next_ndlp;
1176
1177 /* clean up phba - lpfc specific */
1178 lpfc_can_disctmo(phba);
1179 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp)
1180 lpfc_nlp_put(ndlp);
1181
1182 INIT_LIST_HEAD(&phba->fc_nodes);
1183
1184 return;
1185 }
1186
1187 static void
1188 lpfc_establish_link_tmo(unsigned long ptr)
1189 {
1190 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1191 unsigned long iflag;
1192
1193
1194 /* Re-establishing Link, timer expired */
1195 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1196 "%d:1300 Re-establishing Link, timer expired "
1197 "Data: x%x x%x\n",
1198 phba->brd_no, phba->fc_flag, phba->hba_state);
1199 spin_lock_irqsave(phba->host->host_lock, iflag);
1200 phba->fc_flag &= ~FC_ESTABLISH_LINK;
1201 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1202 }
1203
1204 static int
1205 lpfc_stop_timer(struct lpfc_hba * phba)
1206 {
1207 struct lpfc_sli *psli = &phba->sli;
1208
1209 del_timer_sync(&phba->fcp_poll_timer);
1210 del_timer_sync(&phba->fc_estabtmo);
1211 del_timer_sync(&phba->fc_disctmo);
1212 del_timer_sync(&phba->fc_fdmitmo);
1213 del_timer_sync(&phba->els_tmofunc);
1214 psli = &phba->sli;
1215 del_timer_sync(&psli->mbox_tmo);
1216 return(1);
1217 }
1218
1219 int
1220 lpfc_online(struct lpfc_hba * phba)
1221 {
1222 if (!phba)
1223 return 0;
1224
1225 if (!(phba->fc_flag & FC_OFFLINE_MODE))
1226 return 0;
1227
1228 lpfc_printf_log(phba,
1229 KERN_WARNING,
1230 LOG_INIT,
1231 "%d:0458 Bring Adapter online\n",
1232 phba->brd_no);
1233
1234 lpfc_block_mgmt_io(phba);
1235
1236 if (!lpfc_sli_queue_setup(phba)) {
1237 lpfc_unblock_mgmt_io(phba);
1238 return 1;
1239 }
1240
1241 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1242 lpfc_unblock_mgmt_io(phba);
1243 return 1;
1244 }
1245
1246 spin_lock_irq(phba->host->host_lock);
1247 phba->fc_flag &= ~FC_OFFLINE_MODE;
1248 spin_unlock_irq(phba->host->host_lock);
1249
1250 lpfc_unblock_mgmt_io(phba);
1251 return 0;
1252 }
1253
1254 void
1255 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1256 {
1257 unsigned long iflag;
1258
1259 spin_lock_irqsave(phba->host->host_lock, iflag);
1260 phba->fc_flag |= FC_BLOCK_MGMT_IO;
1261 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1262 }
1263
1264 void
1265 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1266 {
1267 unsigned long iflag;
1268
1269 spin_lock_irqsave(phba->host->host_lock, iflag);
1270 phba->fc_flag &= ~FC_BLOCK_MGMT_IO;
1271 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1272 }
1273
1274 void
1275 lpfc_offline_prep(struct lpfc_hba * phba)
1276 {
1277 struct lpfc_nodelist *ndlp, *next_ndlp;
1278
1279 if (phba->fc_flag & FC_OFFLINE_MODE)
1280 return;
1281
1282 lpfc_block_mgmt_io(phba);
1283
1284 lpfc_linkdown(phba);
1285
1286 /* Issue an unreg_login to all nodes */
1287 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp)
1288 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
1289 lpfc_unreg_rpi(phba, ndlp);
1290
1291 lpfc_sli_flush_mbox_queue(phba);
1292 }
1293
1294 void
1295 lpfc_offline(struct lpfc_hba * phba)
1296 {
1297 unsigned long iflag;
1298
1299 if (phba->fc_flag & FC_OFFLINE_MODE)
1300 return;
1301
1302 /* stop all timers associated with this hba */
1303 lpfc_stop_timer(phba);
1304
1305 lpfc_printf_log(phba,
1306 KERN_WARNING,
1307 LOG_INIT,
1308 "%d:0460 Bring Adapter offline\n",
1309 phba->brd_no);
1310
1311 /* Bring down the SLI Layer and cleanup. The HBA is offline
1312 now. */
1313 lpfc_sli_hba_down(phba);
1314 lpfc_cleanup(phba);
1315 spin_lock_irqsave(phba->host->host_lock, iflag);
1316 phba->work_hba_events = 0;
1317 phba->work_ha = 0;
1318 phba->fc_flag |= FC_OFFLINE_MODE;
1319 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1320 }
1321
1322 /******************************************************************************
1323 * Function name: lpfc_scsi_free
1324 *
1325 * Description: Called from lpfc_pci_remove_one free internal driver resources
1326 *
1327 ******************************************************************************/
1328 static int
1329 lpfc_scsi_free(struct lpfc_hba * phba)
1330 {
1331 struct lpfc_scsi_buf *sb, *sb_next;
1332 struct lpfc_iocbq *io, *io_next;
1333
1334 spin_lock_irq(phba->host->host_lock);
1335 /* Release all the lpfc_scsi_bufs maintained by this host. */
1336 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1337 list_del(&sb->list);
1338 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1339 sb->dma_handle);
1340 kfree(sb);
1341 phba->total_scsi_bufs--;
1342 }
1343
1344 /* Release all the lpfc_iocbq entries maintained by this host. */
1345 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1346 list_del(&io->list);
1347 kfree(io);
1348 phba->total_iocbq_bufs--;
1349 }
1350
1351 spin_unlock_irq(phba->host->host_lock);
1352
1353 return 0;
1354 }
1355
1356 void lpfc_remove_device(struct lpfc_hba *phba)
1357 {
1358 unsigned long iflag;
1359
1360 lpfc_free_sysfs_attr(phba);
1361
1362 spin_lock_irqsave(phba->host->host_lock, iflag);
1363 phba->fc_flag |= FC_UNLOADING;
1364
1365 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1366
1367 fc_remove_host(phba->host);
1368 scsi_remove_host(phba->host);
1369
1370 kthread_stop(phba->worker_thread);
1371
1372 /*
1373 * Bring down the SLI Layer. This step disable all interrupts,
1374 * clears the rings, discards all mailbox commands, and resets
1375 * the HBA.
1376 */
1377 lpfc_sli_hba_down(phba);
1378 lpfc_sli_brdrestart(phba);
1379
1380 /* Release the irq reservation */
1381 free_irq(phba->pcidev->irq, phba);
1382 pci_disable_msi(phba->pcidev);
1383
1384 lpfc_cleanup(phba);
1385 lpfc_stop_timer(phba);
1386 phba->work_hba_events = 0;
1387
1388 /*
1389 * Call scsi_free before mem_free since scsi bufs are released to their
1390 * corresponding pools here.
1391 */
1392 lpfc_scsi_free(phba);
1393 lpfc_mem_free(phba);
1394
1395 /* Free resources associated with SLI2 interface */
1396 dma_free_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1397 phba->slim2p, phba->slim2p_mapping);
1398
1399 /* unmap adapter SLIM and Control Registers */
1400 iounmap(phba->ctrl_regs_memmap_p);
1401 iounmap(phba->slim_memmap_p);
1402
1403 pci_release_regions(phba->pcidev);
1404 pci_disable_device(phba->pcidev);
1405
1406 idr_remove(&lpfc_hba_index, phba->brd_no);
1407 scsi_host_put(phba->host);
1408 }
1409
1410 void lpfc_scan_start(struct Scsi_Host *host)
1411 {
1412 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1413
1414 if (lpfc_alloc_sysfs_attr(phba))
1415 goto error;
1416
1417 phba->MBslimaddr = phba->slim_memmap_p;
1418 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1419 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1420 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1421 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1422
1423 if (lpfc_sli_hba_setup(phba))
1424 goto error;
1425
1426 /*
1427 * hba setup may have changed the hba_queue_depth so we need to adjust
1428 * the value of can_queue.
1429 */
1430 host->can_queue = phba->cfg_hba_queue_depth - 10;
1431 return;
1432
1433 error:
1434 lpfc_remove_device(phba);
1435 }
1436
1437 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1438 {
1439 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1440
1441 if (!phba->host)
1442 return 1;
1443 if (time >= 30 * HZ)
1444 goto finished;
1445
1446 if (phba->hba_state != LPFC_HBA_READY)
1447 return 0;
1448 if (phba->num_disc_nodes || phba->fc_prli_sent)
1449 return 0;
1450 if ((phba->fc_map_cnt == 0) && (time < 2 * HZ))
1451 return 0;
1452 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)
1453 return 0;
1454 if ((phba->hba_state > LPFC_LINK_DOWN) || (time < 15 * HZ))
1455 return 0;
1456
1457 finished:
1458 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1459 spin_lock_irq(shost->host_lock);
1460 lpfc_poll_start_timer(phba);
1461 spin_unlock_irq(shost->host_lock);
1462 }
1463
1464 /*
1465 * set fixed host attributes
1466 * Must done after lpfc_sli_hba_setup()
1467 */
1468
1469 fc_host_node_name(shost) = wwn_to_u64(phba->fc_nodename.u.wwn);
1470 fc_host_port_name(shost) = wwn_to_u64(phba->fc_portname.u.wwn);
1471 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1472
1473 memset(fc_host_supported_fc4s(shost), 0,
1474 sizeof(fc_host_supported_fc4s(shost)));
1475 fc_host_supported_fc4s(shost)[2] = 1;
1476 fc_host_supported_fc4s(shost)[7] = 1;
1477
1478 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
1479
1480 fc_host_supported_speeds(shost) = 0;
1481 if (phba->lmt & LMT_10Gb)
1482 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1483 if (phba->lmt & LMT_4Gb)
1484 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1485 if (phba->lmt & LMT_2Gb)
1486 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1487 if (phba->lmt & LMT_1Gb)
1488 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1489
1490 fc_host_maxframe_size(shost) =
1491 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1492 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1493
1494 /* This value is also unchanging */
1495 memset(fc_host_active_fc4s(shost), 0,
1496 sizeof(fc_host_active_fc4s(shost)));
1497 fc_host_active_fc4s(shost)[2] = 1;
1498 fc_host_active_fc4s(shost)[7] = 1;
1499
1500 spin_lock_irq(shost->host_lock);
1501 phba->fc_flag &= ~FC_LOADING;
1502 spin_unlock_irq(shost->host_lock);
1503
1504 return 1;
1505 }
1506
1507 static int __devinit
1508 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1509 {
1510 struct Scsi_Host *host;
1511 struct lpfc_hba *phba;
1512 struct lpfc_sli *psli;
1513 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1514 unsigned long bar0map_len, bar2map_len;
1515 int error = -ENODEV, retval;
1516 int i;
1517 uint16_t iotag;
1518
1519 if (pci_enable_device(pdev))
1520 goto out;
1521 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1522 goto out_disable_device;
1523
1524 host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1525 if (!host)
1526 goto out_release_regions;
1527
1528 phba = (struct lpfc_hba*)host->hostdata;
1529 memset(phba, 0, sizeof (struct lpfc_hba));
1530 phba->host = host;
1531
1532 phba->fc_flag |= FC_LOADING;
1533 phba->pcidev = pdev;
1534
1535 /* Assign an unused board number */
1536 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1537 goto out_put_host;
1538
1539 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1540 if (error)
1541 goto out_put_host;
1542
1543 host->unique_id = phba->brd_no;
1544
1545 /* Initialize timers used by driver */
1546 init_timer(&phba->fc_estabtmo);
1547 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1548 phba->fc_estabtmo.data = (unsigned long)phba;
1549 init_timer(&phba->fc_disctmo);
1550 phba->fc_disctmo.function = lpfc_disc_timeout;
1551 phba->fc_disctmo.data = (unsigned long)phba;
1552
1553 init_timer(&phba->fc_fdmitmo);
1554 phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1555 phba->fc_fdmitmo.data = (unsigned long)phba;
1556 init_timer(&phba->els_tmofunc);
1557 phba->els_tmofunc.function = lpfc_els_timeout;
1558 phba->els_tmofunc.data = (unsigned long)phba;
1559 psli = &phba->sli;
1560 init_timer(&psli->mbox_tmo);
1561 psli->mbox_tmo.function = lpfc_mbox_timeout;
1562 psli->mbox_tmo.data = (unsigned long)phba;
1563
1564 init_timer(&phba->fcp_poll_timer);
1565 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1566 phba->fcp_poll_timer.data = (unsigned long)phba;
1567
1568 /*
1569 * Get all the module params for configuring this host and then
1570 * establish the host parameters.
1571 */
1572 lpfc_get_cfgparam(phba);
1573
1574 host->max_id = LPFC_MAX_TARGET;
1575 host->max_lun = phba->cfg_max_luns;
1576 host->this_id = -1;
1577
1578 INIT_LIST_HEAD(&phba->fc_nodes);
1579
1580 pci_set_master(pdev);
1581 retval = pci_set_mwi(pdev);
1582 if (retval)
1583 dev_printk(KERN_WARNING, &pdev->dev,
1584 "Warning: pci_set_mwi returned %d\n", retval);
1585
1586 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1587 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1588 goto out_idr_remove;
1589
1590 /*
1591 * Get the bus address of Bar0 and Bar2 and the number of bytes
1592 * required by each mapping.
1593 */
1594 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1595 bar0map_len = pci_resource_len(phba->pcidev, 0);
1596
1597 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1598 bar2map_len = pci_resource_len(phba->pcidev, 2);
1599
1600 /* Map HBA SLIM to a kernel virtual address. */
1601 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1602 if (!phba->slim_memmap_p) {
1603 error = -ENODEV;
1604 dev_printk(KERN_ERR, &pdev->dev,
1605 "ioremap failed for SLIM memory.\n");
1606 goto out_idr_remove;
1607 }
1608
1609 /* Map HBA Control Registers to a kernel virtual address. */
1610 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1611 if (!phba->ctrl_regs_memmap_p) {
1612 error = -ENODEV;
1613 dev_printk(KERN_ERR, &pdev->dev,
1614 "ioremap failed for HBA control registers.\n");
1615 goto out_iounmap_slim;
1616 }
1617
1618 /* Allocate memory for SLI-2 structures */
1619 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1620 &phba->slim2p_mapping, GFP_KERNEL);
1621 if (!phba->slim2p)
1622 goto out_iounmap;
1623
1624 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1625
1626 /* Initialize the SLI Layer to run with lpfc HBAs. */
1627 lpfc_sli_setup(phba);
1628 lpfc_sli_queue_setup(phba);
1629
1630 error = lpfc_mem_alloc(phba);
1631 if (error)
1632 goto out_free_slim;
1633
1634 /* Initialize and populate the iocb list per host. */
1635 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1636 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1637 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1638 if (iocbq_entry == NULL) {
1639 printk(KERN_ERR "%s: only allocated %d iocbs of "
1640 "expected %d count. Unloading driver.\n",
1641 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1642 error = -ENOMEM;
1643 goto out_free_iocbq;
1644 }
1645
1646 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1647 if (iotag == 0) {
1648 kfree (iocbq_entry);
1649 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1650 "Unloading driver.\n",
1651 __FUNCTION__);
1652 error = -ENOMEM;
1653 goto out_free_iocbq;
1654 }
1655 spin_lock_irq(phba->host->host_lock);
1656 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1657 phba->total_iocbq_bufs++;
1658 spin_unlock_irq(phba->host->host_lock);
1659 }
1660
1661 /* Initialize HBA structure */
1662 phba->fc_edtov = FF_DEF_EDTOV;
1663 phba->fc_ratov = FF_DEF_RATOV;
1664 phba->fc_altov = FF_DEF_ALTOV;
1665 phba->fc_arbtov = FF_DEF_ARBTOV;
1666
1667 INIT_LIST_HEAD(&phba->work_list);
1668 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1669 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1670
1671 /* Startup the kernel thread for this host adapter. */
1672 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1673 "lpfc_worker_%d", phba->brd_no);
1674 if (IS_ERR(phba->worker_thread)) {
1675 error = PTR_ERR(phba->worker_thread);
1676 goto out_free_iocbq;
1677 }
1678
1679 /*
1680 * Set initial can_queue value since 0 is no longer supported and
1681 * scsi_add_host will fail. This will be adjusted later based on the
1682 * max xri value determined in hba setup.
1683 */
1684 host->can_queue = phba->cfg_hba_queue_depth - 10;
1685
1686 /* Tell the midlayer we support 16 byte commands */
1687 host->max_cmd_len = 16;
1688
1689 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1690 spin_lock_init(&phba->scsi_buf_list_lock);
1691 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1692
1693 host->transportt = lpfc_transport_template;
1694 pci_set_drvdata(pdev, host);
1695
1696 if (phba->cfg_use_msi) {
1697 error = pci_enable_msi(phba->pcidev);
1698 if (error)
1699 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1700 "Enable MSI failed, continuing with "
1701 "IRQ\n", phba->brd_no);
1702 }
1703
1704 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1705 LPFC_DRIVER_NAME, phba);
1706 if (error) {
1707 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1708 "%d:0451 Enable interrupt handler failed\n",
1709 phba->brd_no);
1710 goto out_kthread_stop;
1711 }
1712
1713 error = scsi_add_host(host, &pdev->dev);
1714 if (error)
1715 goto out_free_irq;
1716
1717 scsi_scan_host(host);
1718
1719 return 0;
1720
1721 out_free_irq:
1722 lpfc_stop_timer(phba);
1723 phba->work_hba_events = 0;
1724 free_irq(phba->pcidev->irq, phba);
1725 pci_disable_msi(phba->pcidev);
1726 out_kthread_stop:
1727 kthread_stop(phba->worker_thread);
1728 out_free_iocbq:
1729 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1730 &phba->lpfc_iocb_list, list) {
1731 spin_lock_irq(phba->host->host_lock);
1732 kfree(iocbq_entry);
1733 phba->total_iocbq_bufs--;
1734 spin_unlock_irq(phba->host->host_lock);
1735 }
1736 lpfc_mem_free(phba);
1737 out_free_slim:
1738 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1739 phba->slim2p_mapping);
1740 out_iounmap:
1741 iounmap(phba->ctrl_regs_memmap_p);
1742 out_iounmap_slim:
1743 iounmap(phba->slim_memmap_p);
1744 out_idr_remove:
1745 idr_remove(&lpfc_hba_index, phba->brd_no);
1746 out_put_host:
1747 phba->host = NULL;
1748 scsi_host_put(host);
1749 out_release_regions:
1750 pci_release_regions(pdev);
1751 out_disable_device:
1752 pci_disable_device(pdev);
1753 out:
1754 pci_set_drvdata(pdev, NULL);
1755 return error;
1756 }
1757
1758 static void __devexit
1759 lpfc_pci_remove_one(struct pci_dev *pdev)
1760 {
1761 struct Scsi_Host *host = pci_get_drvdata(pdev);
1762 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1763
1764 lpfc_remove_device(phba);
1765
1766 pci_set_drvdata(pdev, NULL);
1767 }
1768
1769 /**
1770 * lpfc_io_error_detected - called when PCI error is detected
1771 * @pdev: Pointer to PCI device
1772 * @state: The current pci conneection state
1773 *
1774 * This function is called after a PCI bus error affecting
1775 * this device has been detected.
1776 */
1777 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
1778 pci_channel_state_t state)
1779 {
1780 struct Scsi_Host *host = pci_get_drvdata(pdev);
1781 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1782 struct lpfc_sli *psli = &phba->sli;
1783 struct lpfc_sli_ring *pring;
1784
1785 if (state == pci_channel_io_perm_failure)
1786 return PCI_ERS_RESULT_DISCONNECT;
1787
1788 pci_disable_device(pdev);
1789 /*
1790 * There may be I/Os dropped by the firmware.
1791 * Error iocb (I/O) on txcmplq and let the SCSI layer
1792 * retry it after re-establishing link.
1793 */
1794 pring = &psli->ring[psli->fcp_ring];
1795 lpfc_sli_abort_iocb_ring(phba, pring);
1796
1797 /* Request a slot reset. */
1798 return PCI_ERS_RESULT_NEED_RESET;
1799 }
1800
1801 /**
1802 * lpfc_io_slot_reset - called after the pci bus has been reset.
1803 * @pdev: Pointer to PCI device
1804 *
1805 * Restart the card from scratch, as if from a cold-boot.
1806 */
1807 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
1808 {
1809 struct Scsi_Host *host = pci_get_drvdata(pdev);
1810 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1811 struct lpfc_sli *psli = &phba->sli;
1812 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1813
1814 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
1815 if (pci_enable_device_bars(pdev, bars)) {
1816 printk(KERN_ERR "lpfc: Cannot re-enable "
1817 "PCI device after reset.\n");
1818 return PCI_ERS_RESULT_DISCONNECT;
1819 }
1820
1821 pci_set_master(pdev);
1822
1823 /* Re-establishing Link */
1824 spin_lock_irq(phba->host->host_lock);
1825 phba->fc_flag |= FC_ESTABLISH_LINK;
1826 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
1827 spin_unlock_irq(phba->host->host_lock);
1828
1829
1830 /* Take device offline; this will perform cleanup */
1831 lpfc_offline(phba);
1832 lpfc_sli_brdrestart(phba);
1833
1834 return PCI_ERS_RESULT_RECOVERED;
1835 }
1836
1837 /**
1838 * lpfc_io_resume - called when traffic can start flowing again.
1839 * @pdev: Pointer to PCI device
1840 *
1841 * This callback is called when the error recovery driver tells us that
1842 * its OK to resume normal operation.
1843 */
1844 static void lpfc_io_resume(struct pci_dev *pdev)
1845 {
1846 struct Scsi_Host *host = pci_get_drvdata(pdev);
1847 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1848
1849 if (lpfc_online(phba) == 0) {
1850 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
1851 }
1852 }
1853
1854 static struct pci_device_id lpfc_id_table[] = {
1855 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1856 PCI_ANY_ID, PCI_ANY_ID, },
1857 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1858 PCI_ANY_ID, PCI_ANY_ID, },
1859 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1860 PCI_ANY_ID, PCI_ANY_ID, },
1861 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1862 PCI_ANY_ID, PCI_ANY_ID, },
1863 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1864 PCI_ANY_ID, PCI_ANY_ID, },
1865 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1866 PCI_ANY_ID, PCI_ANY_ID, },
1867 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1868 PCI_ANY_ID, PCI_ANY_ID, },
1869 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1870 PCI_ANY_ID, PCI_ANY_ID, },
1871 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1872 PCI_ANY_ID, PCI_ANY_ID, },
1873 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1874 PCI_ANY_ID, PCI_ANY_ID, },
1875 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1876 PCI_ANY_ID, PCI_ANY_ID, },
1877 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1878 PCI_ANY_ID, PCI_ANY_ID, },
1879 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1880 PCI_ANY_ID, PCI_ANY_ID, },
1881 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1882 PCI_ANY_ID, PCI_ANY_ID, },
1883 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1884 PCI_ANY_ID, PCI_ANY_ID, },
1885 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1886 PCI_ANY_ID, PCI_ANY_ID, },
1887 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1888 PCI_ANY_ID, PCI_ANY_ID, },
1889 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1890 PCI_ANY_ID, PCI_ANY_ID, },
1891 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1892 PCI_ANY_ID, PCI_ANY_ID, },
1893 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1894 PCI_ANY_ID, PCI_ANY_ID, },
1895 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1896 PCI_ANY_ID, PCI_ANY_ID, },
1897 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1898 PCI_ANY_ID, PCI_ANY_ID, },
1899 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1900 PCI_ANY_ID, PCI_ANY_ID, },
1901 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1902 PCI_ANY_ID, PCI_ANY_ID, },
1903 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1904 PCI_ANY_ID, PCI_ANY_ID, },
1905 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1906 PCI_ANY_ID, PCI_ANY_ID, },
1907 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1908 PCI_ANY_ID, PCI_ANY_ID, },
1909 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
1910 PCI_ANY_ID, PCI_ANY_ID, },
1911 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
1912 PCI_ANY_ID, PCI_ANY_ID, },
1913 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
1914 PCI_ANY_ID, PCI_ANY_ID, },
1915 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
1916 PCI_ANY_ID, PCI_ANY_ID, },
1917 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
1918 PCI_ANY_ID, PCI_ANY_ID, },
1919 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
1920 PCI_ANY_ID, PCI_ANY_ID, },
1921 { 0 }
1922 };
1923
1924 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1925
1926 static struct pci_error_handlers lpfc_err_handler = {
1927 .error_detected = lpfc_io_error_detected,
1928 .slot_reset = lpfc_io_slot_reset,
1929 .resume = lpfc_io_resume,
1930 };
1931
1932 static struct pci_driver lpfc_driver = {
1933 .name = LPFC_DRIVER_NAME,
1934 .id_table = lpfc_id_table,
1935 .probe = lpfc_pci_probe_one,
1936 .remove = __devexit_p(lpfc_pci_remove_one),
1937 .err_handler = &lpfc_err_handler,
1938 };
1939
1940 static int __init
1941 lpfc_init(void)
1942 {
1943 int error = 0;
1944
1945 printk(LPFC_MODULE_DESC "\n");
1946 printk(LPFC_COPYRIGHT "\n");
1947
1948 lpfc_transport_template =
1949 fc_attach_transport(&lpfc_transport_functions);
1950 if (!lpfc_transport_template)
1951 return -ENOMEM;
1952 error = pci_register_driver(&lpfc_driver);
1953 if (error)
1954 fc_release_transport(lpfc_transport_template);
1955
1956 return error;
1957 }
1958
1959 static void __exit
1960 lpfc_exit(void)
1961 {
1962 pci_unregister_driver(&lpfc_driver);
1963 fc_release_transport(lpfc_transport_template);
1964 }
1965
1966 module_init(lpfc_init);
1967 module_exit(lpfc_exit);
1968 MODULE_LICENSE("GPL");
1969 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1970 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1971 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Tomato firmware and modifications.