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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 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 #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 /************************************************************************/
216 /* */
217 /* lpfc_config_port_post */
218 /* This routine will do LPFC initialization after the */
219 /* CONFIG_PORT mailbox command. This will be initialized */
220 /* as a SLI layer callback routine. */
221 /* This routine returns 0 on success. Any other return value */
222 /* indicates an error. */
223 /* */
224 /************************************************************************/
225 int
226 lpfc_config_port_post(struct lpfc_hba *phba)
227 {
228 struct lpfc_vport *vport = phba->pport;
229 LPFC_MBOXQ_t *pmb;
230 MAILBOX_t *mb;
231 struct lpfc_dmabuf *mp;
232 struct lpfc_sli *psli = &phba->sli;
233 uint32_t status, timeout;
234 int i, j;
235 int rc;
236
237 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
238 if (!pmb) {
239 phba->link_state = LPFC_HBA_ERROR;
240 return -ENOMEM;
241 }
242 mb = &pmb->mb;
243
244 /* Get login parameters for NID. */
245 lpfc_read_sparam(phba, pmb, 0);
246 pmb->vport = vport;
247 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
248 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
249 "0448 Adapter failed init, mbxCmd x%x "
250 "READ_SPARM mbxStatus x%x\n",
251 mb->mbxCommand, mb->mbxStatus);
252 phba->link_state = LPFC_HBA_ERROR;
253 mp = (struct lpfc_dmabuf *) pmb->context1;
254 mempool_free( pmb, phba->mbox_mem_pool);
255 lpfc_mbuf_free(phba, mp->virt, mp->phys);
256 kfree(mp);
257 return -EIO;
258 }
259
260 mp = (struct lpfc_dmabuf *) pmb->context1;
261
262 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
263 lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 kfree(mp);
265 pmb->context1 = NULL;
266
267 if (phba->cfg_soft_wwnn)
268 u64_to_wwn(phba->cfg_soft_wwnn,
269 vport->fc_sparam.nodeName.u.wwn);
270 if (phba->cfg_soft_wwpn)
271 u64_to_wwn(phba->cfg_soft_wwpn,
272 vport->fc_sparam.portName.u.wwn);
273 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
274 sizeof (struct lpfc_name));
275 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
276 sizeof (struct lpfc_name));
277 /* If no serial number in VPD data, use low 6 bytes of WWNN */
278 /* This should be consolidated into parse_vpd ? - mr */
279 if (phba->SerialNumber[0] == 0) {
280 uint8_t *outptr;
281
282 outptr = &vport->fc_nodename.u.s.IEEE[0];
283 for (i = 0; i < 12; i++) {
284 status = *outptr++;
285 j = ((status & 0xf0) >> 4);
286 if (j <= 9)
287 phba->SerialNumber[i] =
288 (char)((uint8_t) 0x30 + (uint8_t) j);
289 else
290 phba->SerialNumber[i] =
291 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
292 i++;
293 j = (status & 0xf);
294 if (j <= 9)
295 phba->SerialNumber[i] =
296 (char)((uint8_t) 0x30 + (uint8_t) j);
297 else
298 phba->SerialNumber[i] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
300 }
301 }
302
303 lpfc_read_config(phba, pmb);
304 pmb->vport = vport;
305 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
306 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
307 "0453 Adapter failed to init, mbxCmd x%x "
308 "READ_CONFIG, mbxStatus x%x\n",
309 mb->mbxCommand, mb->mbxStatus);
310 phba->link_state = LPFC_HBA_ERROR;
311 mempool_free( pmb, phba->mbox_mem_pool);
312 return -EIO;
313 }
314
315 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
316 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
317 phba->cfg_hba_queue_depth =
318 mb->un.varRdConfig.max_xri + 1;
319
320 phba->lmt = mb->un.varRdConfig.lmt;
321
322 /* Get the default values for Model Name and Description */
323 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
324
325 if ((phba->cfg_link_speed > LINK_SPEED_10G)
326 || ((phba->cfg_link_speed == LINK_SPEED_1G)
327 && !(phba->lmt & LMT_1Gb))
328 || ((phba->cfg_link_speed == LINK_SPEED_2G)
329 && !(phba->lmt & LMT_2Gb))
330 || ((phba->cfg_link_speed == LINK_SPEED_4G)
331 && !(phba->lmt & LMT_4Gb))
332 || ((phba->cfg_link_speed == LINK_SPEED_8G)
333 && !(phba->lmt & LMT_8Gb))
334 || ((phba->cfg_link_speed == LINK_SPEED_10G)
335 && !(phba->lmt & LMT_10Gb))) {
336 /* Reset link speed to auto */
337 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
338 "1302 Invalid speed for this board: "
339 "Reset link speed to auto: x%x\n",
340 phba->cfg_link_speed);
341 phba->cfg_link_speed = LINK_SPEED_AUTO;
342 }
343
344 phba->link_state = LPFC_LINK_DOWN;
345
346 /* Only process IOCBs on ring 0 till hba_state is READY */
347 if (psli->ring[psli->extra_ring].cmdringaddr)
348 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
349 if (psli->ring[psli->fcp_ring].cmdringaddr)
350 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
351 if (psli->ring[psli->next_ring].cmdringaddr)
352 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
353
354 /* Post receive buffers for desired rings */
355 if (phba->sli_rev != 3)
356 lpfc_post_rcv_buf(phba);
357
358 /* Enable appropriate host interrupts */
359 spin_lock_irq(&phba->hbalock);
360 status = readl(phba->HCregaddr);
361 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
362 if (psli->num_rings > 0)
363 status |= HC_R0INT_ENA;
364 if (psli->num_rings > 1)
365 status |= HC_R1INT_ENA;
366 if (psli->num_rings > 2)
367 status |= HC_R2INT_ENA;
368 if (psli->num_rings > 3)
369 status |= HC_R3INT_ENA;
370
371 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
372 (phba->cfg_poll & DISABLE_FCP_RING_INT))
373 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
374
375 writel(status, phba->HCregaddr);
376 readl(phba->HCregaddr); /* flush */
377 spin_unlock_irq(&phba->hbalock);
378
379 /*
380 * Setup the ring 0 (els) timeout handler
381 */
382 timeout = phba->fc_ratov << 1;
383 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
384 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
385 phba->hb_outstanding = 0;
386 phba->last_completion_time = jiffies;
387
388 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
389 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
390 pmb->vport = vport;
391 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
392 lpfc_set_loopback_flag(phba);
393 if (rc != MBX_SUCCESS) {
394 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
395 "0454 Adapter failed to init, mbxCmd x%x "
396 "INIT_LINK, mbxStatus x%x\n",
397 mb->mbxCommand, mb->mbxStatus);
398
399 /* Clear all interrupt enable conditions */
400 writel(0, phba->HCregaddr);
401 readl(phba->HCregaddr); /* flush */
402 /* Clear all pending interrupts */
403 writel(0xffffffff, phba->HAregaddr);
404 readl(phba->HAregaddr); /* flush */
405
406 phba->link_state = LPFC_HBA_ERROR;
407 if (rc != MBX_BUSY)
408 mempool_free(pmb, phba->mbox_mem_pool);
409 return -EIO;
410 }
411 /* MBOX buffer will be freed in mbox compl */
412
413 return (0);
414 }
415
416 /************************************************************************/
417 /* */
418 /* lpfc_hba_down_prep */
419 /* This routine will do LPFC uninitialization before the */
420 /* HBA is reset when bringing down the SLI Layer. This will be */
421 /* initialized as a SLI layer callback routine. */
422 /* This routine returns 0 on success. Any other return value */
423 /* indicates an error. */
424 /* */
425 /************************************************************************/
426 int
427 lpfc_hba_down_prep(struct lpfc_hba *phba)
428 {
429 /* Disable interrupts */
430 writel(0, phba->HCregaddr);
431 readl(phba->HCregaddr); /* flush */
432
433 lpfc_cleanup_discovery_resources(phba->pport);
434 return 0;
435 }
436
437 /************************************************************************/
438 /* */
439 /* lpfc_hba_down_post */
440 /* This routine will do uninitialization after the HBA is reset */
441 /* when bringing down the SLI Layer. */
442 /* This routine returns 0 on success. Any other return value */
443 /* indicates an error. */
444 /* */
445 /************************************************************************/
446 int
447 lpfc_hba_down_post(struct lpfc_hba *phba)
448 {
449 struct lpfc_sli *psli = &phba->sli;
450 struct lpfc_sli_ring *pring;
451 struct lpfc_dmabuf *mp, *next_mp;
452 int i;
453
454 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
455 lpfc_sli_hbqbuf_free_all(phba);
456 else {
457 /* Cleanup preposted buffers on the ELS ring */
458 pring = &psli->ring[LPFC_ELS_RING];
459 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
460 list_del(&mp->list);
461 pring->postbufq_cnt--;
462 lpfc_mbuf_free(phba, mp->virt, mp->phys);
463 kfree(mp);
464 }
465 }
466
467 for (i = 0; i < psli->num_rings; i++) {
468 pring = &psli->ring[i];
469 lpfc_sli_abort_iocb_ring(phba, pring);
470 }
471
472 return 0;
473 }
474
475 /* HBA heart beat timeout handler */
476 void
477 lpfc_hb_timeout(unsigned long ptr)
478 {
479 struct lpfc_hba *phba;
480 unsigned long iflag;
481
482 phba = (struct lpfc_hba *)ptr;
483 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
484 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
485 phba->pport->work_port_events |= WORKER_HB_TMO;
486 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
487
488 if (phba->work_wait)
489 wake_up(phba->work_wait);
490 return;
491 }
492
493 static void
494 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
495 {
496 unsigned long drvr_flag;
497
498 spin_lock_irqsave(&phba->hbalock, drvr_flag);
499 phba->hb_outstanding = 0;
500 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
501
502 mempool_free(pmboxq, phba->mbox_mem_pool);
503 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
504 !(phba->link_state == LPFC_HBA_ERROR) &&
505 !(phba->pport->load_flag & FC_UNLOADING))
506 mod_timer(&phba->hb_tmofunc,
507 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
508 return;
509 }
510
511 void
512 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
513 {
514 LPFC_MBOXQ_t *pmboxq;
515 int retval;
516 struct lpfc_sli *psli = &phba->sli;
517
518 if ((phba->link_state == LPFC_HBA_ERROR) ||
519 (phba->pport->load_flag & FC_UNLOADING) ||
520 (phba->pport->fc_flag & FC_OFFLINE_MODE))
521 return;
522
523 spin_lock_irq(&phba->pport->work_port_lock);
524 /* If the timer is already canceled do nothing */
525 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
526 spin_unlock_irq(&phba->pport->work_port_lock);
527 return;
528 }
529
530 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
531 jiffies)) {
532 spin_unlock_irq(&phba->pport->work_port_lock);
533 if (!phba->hb_outstanding)
534 mod_timer(&phba->hb_tmofunc,
535 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
536 else
537 mod_timer(&phba->hb_tmofunc,
538 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
539 return;
540 }
541 spin_unlock_irq(&phba->pport->work_port_lock);
542
543 /* If there is no heart beat outstanding, issue a heartbeat command */
544 if (!phba->hb_outstanding) {
545 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
546 if (!pmboxq) {
547 mod_timer(&phba->hb_tmofunc,
548 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
549 return;
550 }
551
552 lpfc_heart_beat(phba, pmboxq);
553 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
554 pmboxq->vport = phba->pport;
555 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
556
557 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
558 mempool_free(pmboxq, phba->mbox_mem_pool);
559 mod_timer(&phba->hb_tmofunc,
560 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
561 return;
562 }
563 mod_timer(&phba->hb_tmofunc,
564 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
565 phba->hb_outstanding = 1;
566 return;
567 } else {
568 /*
569 * If heart beat timeout called with hb_outstanding set we
570 * need to take the HBA offline.
571 */
572 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
573 "0459 Adapter heartbeat failure, taking "
574 "this port offline.\n");
575
576 spin_lock_irq(&phba->hbalock);
577 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
578 spin_unlock_irq(&phba->hbalock);
579
580 lpfc_offline_prep(phba);
581 lpfc_offline(phba);
582 lpfc_unblock_mgmt_io(phba);
583 phba->link_state = LPFC_HBA_ERROR;
584 lpfc_hba_down_post(phba);
585 }
586 }
587
588 /************************************************************************/
589 /* */
590 /* lpfc_handle_eratt */
591 /* This routine will handle processing a Host Attention */
592 /* Error Status event. This will be initialized */
593 /* as a SLI layer callback routine. */
594 /* */
595 /************************************************************************/
596 void
597 lpfc_handle_eratt(struct lpfc_hba *phba)
598 {
599 struct lpfc_vport *vport = phba->pport;
600 struct lpfc_sli *psli = &phba->sli;
601 struct lpfc_sli_ring *pring;
602 struct lpfc_vport **vports;
603 uint32_t event_data;
604 struct Scsi_Host *shost;
605 int i;
606
607 /* If the pci channel is offline, ignore possible errors,
608 * since we cannot communicate with the pci card anyway. */
609 if (pci_channel_offline(phba->pcidev))
610 return;
611
612 if (phba->work_hs & HS_FFER6 ||
613 phba->work_hs & HS_FFER5) {
614 /* Re-establishing Link */
615 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
616 "1301 Re-establishing Link "
617 "Data: x%x x%x x%x\n",
618 phba->work_hs,
619 phba->work_status[0], phba->work_status[1]);
620 vports = lpfc_create_vport_work_array(phba);
621 if (vports != NULL)
622 for(i = 0;
623 i < LPFC_MAX_VPORTS && vports[i] != NULL;
624 i++){
625 shost = lpfc_shost_from_vport(vports[i]);
626 spin_lock_irq(shost->host_lock);
627 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
628 spin_unlock_irq(shost->host_lock);
629 }
630 lpfc_destroy_vport_work_array(vports);
631 spin_lock_irq(&phba->hbalock);
632 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
633 spin_unlock_irq(&phba->hbalock);
634
635 /*
636 * Firmware stops when it triggled erratt with HS_FFER6.
637 * That could cause the I/Os dropped by the firmware.
638 * Error iocb (I/O) on txcmplq and let the SCSI layer
639 * retry it after re-establishing link.
640 */
641 pring = &psli->ring[psli->fcp_ring];
642 lpfc_sli_abort_iocb_ring(phba, pring);
643
644
645 /*
646 * There was a firmware error. Take the hba offline and then
647 * attempt to restart it.
648 */
649 lpfc_offline_prep(phba);
650 lpfc_offline(phba);
651 lpfc_sli_brdrestart(phba);
652 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
653 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
654 lpfc_unblock_mgmt_io(phba);
655 return;
656 }
657 lpfc_unblock_mgmt_io(phba);
658 } else {
659 /* The if clause above forces this code path when the status
660 * failure is a value other than FFER6. Do not call the offline
661 * twice. This is the adapter hardware error path.
662 */
663 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
664 "0457 Adapter Hardware Error "
665 "Data: x%x x%x x%x\n",
666 phba->work_hs,
667 phba->work_status[0], phba->work_status[1]);
668
669 event_data = FC_REG_DUMP_EVENT;
670 shost = lpfc_shost_from_vport(vport);
671 fc_host_post_vendor_event(shost, fc_get_event_number(),
672 sizeof(event_data), (char *) &event_data,
673 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
674
675 spin_lock_irq(&phba->hbalock);
676 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
677 spin_unlock_irq(&phba->hbalock);
678 lpfc_offline_prep(phba);
679 lpfc_offline(phba);
680 lpfc_unblock_mgmt_io(phba);
681 phba->link_state = LPFC_HBA_ERROR;
682 lpfc_hba_down_post(phba);
683 }
684 }
685
686 /************************************************************************/
687 /* */
688 /* lpfc_handle_latt */
689 /* This routine will handle processing a Host Attention */
690 /* Link Status event. This will be initialized */
691 /* as a SLI layer callback routine. */
692 /* */
693 /************************************************************************/
694 void
695 lpfc_handle_latt(struct lpfc_hba *phba)
696 {
697 struct lpfc_vport *vport = phba->pport;
698 struct lpfc_sli *psli = &phba->sli;
699 LPFC_MBOXQ_t *pmb;
700 volatile uint32_t control;
701 struct lpfc_dmabuf *mp;
702 int rc = -ENOMEM;
703
704 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
705 if (!pmb)
706 goto lpfc_handle_latt_err_exit;
707
708 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
709 if (!mp)
710 goto lpfc_handle_latt_free_pmb;
711
712 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
713 if (!mp->virt)
714 goto lpfc_handle_latt_free_mp;
715
716 rc = -EIO;
717
718 /* Cleanup any outstanding ELS commands */
719 lpfc_els_flush_all_cmd(phba);
720
721 psli->slistat.link_event++;
722 lpfc_read_la(phba, pmb, mp);
723 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
724 pmb->vport = vport;
725 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
726 if (rc == MBX_NOT_FINISHED)
727 goto lpfc_handle_latt_free_mbuf;
728
729 /* Clear Link Attention in HA REG */
730 spin_lock_irq(&phba->hbalock);
731 writel(HA_LATT, phba->HAregaddr);
732 readl(phba->HAregaddr); /* flush */
733 spin_unlock_irq(&phba->hbalock);
734
735 return;
736
737 lpfc_handle_latt_free_mbuf:
738 lpfc_mbuf_free(phba, mp->virt, mp->phys);
739 lpfc_handle_latt_free_mp:
740 kfree(mp);
741 lpfc_handle_latt_free_pmb:
742 mempool_free(pmb, phba->mbox_mem_pool);
743 lpfc_handle_latt_err_exit:
744 /* Enable Link attention interrupts */
745 spin_lock_irq(&phba->hbalock);
746 psli->sli_flag |= LPFC_PROCESS_LA;
747 control = readl(phba->HCregaddr);
748 control |= HC_LAINT_ENA;
749 writel(control, phba->HCregaddr);
750 readl(phba->HCregaddr); /* flush */
751
752 /* Clear Link Attention in HA REG */
753 writel(HA_LATT, phba->HAregaddr);
754 readl(phba->HAregaddr); /* flush */
755 spin_unlock_irq(&phba->hbalock);
756 lpfc_linkdown(phba);
757 phba->link_state = LPFC_HBA_ERROR;
758
759 /* The other case is an error from issue_mbox */
760 if (rc == -ENOMEM)
761 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
762 "0300 READ_LA: no buffers\n");
763
764 return;
765 }
766
767 /************************************************************************/
768 /* */
769 /* lpfc_parse_vpd */
770 /* This routine will parse the VPD data */
771 /* */
772 /************************************************************************/
773 static int
774 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
775 {
776 uint8_t lenlo, lenhi;
777 int Length;
778 int i, j;
779 int finished = 0;
780 int index = 0;
781
782 if (!vpd)
783 return 0;
784
785 /* Vital Product */
786 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
787 "0455 Vital Product Data: x%x x%x x%x x%x\n",
788 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
789 (uint32_t) vpd[3]);
790 while (!finished && (index < (len - 4))) {
791 switch (vpd[index]) {
792 case 0x82:
793 case 0x91:
794 index += 1;
795 lenlo = vpd[index];
796 index += 1;
797 lenhi = vpd[index];
798 index += 1;
799 i = ((((unsigned short)lenhi) << 8) + lenlo);
800 index += i;
801 break;
802 case 0x90:
803 index += 1;
804 lenlo = vpd[index];
805 index += 1;
806 lenhi = vpd[index];
807 index += 1;
808 Length = ((((unsigned short)lenhi) << 8) + lenlo);
809 if (Length > len - index)
810 Length = len - index;
811 while (Length > 0) {
812 /* Look for Serial Number */
813 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
814 index += 2;
815 i = vpd[index];
816 index += 1;
817 j = 0;
818 Length -= (3+i);
819 while(i--) {
820 phba->SerialNumber[j++] = vpd[index++];
821 if (j == 31)
822 break;
823 }
824 phba->SerialNumber[j] = 0;
825 continue;
826 }
827 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
828 phba->vpd_flag |= VPD_MODEL_DESC;
829 index += 2;
830 i = vpd[index];
831 index += 1;
832 j = 0;
833 Length -= (3+i);
834 while(i--) {
835 phba->ModelDesc[j++] = vpd[index++];
836 if (j == 255)
837 break;
838 }
839 phba->ModelDesc[j] = 0;
840 continue;
841 }
842 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
843 phba->vpd_flag |= VPD_MODEL_NAME;
844 index += 2;
845 i = vpd[index];
846 index += 1;
847 j = 0;
848 Length -= (3+i);
849 while(i--) {
850 phba->ModelName[j++] = vpd[index++];
851 if (j == 79)
852 break;
853 }
854 phba->ModelName[j] = 0;
855 continue;
856 }
857 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
858 phba->vpd_flag |= VPD_PROGRAM_TYPE;
859 index += 2;
860 i = vpd[index];
861 index += 1;
862 j = 0;
863 Length -= (3+i);
864 while(i--) {
865 phba->ProgramType[j++] = vpd[index++];
866 if (j == 255)
867 break;
868 }
869 phba->ProgramType[j] = 0;
870 continue;
871 }
872 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
873 phba->vpd_flag |= VPD_PORT;
874 index += 2;
875 i = vpd[index];
876 index += 1;
877 j = 0;
878 Length -= (3+i);
879 while(i--) {
880 phba->Port[j++] = vpd[index++];
881 if (j == 19)
882 break;
883 }
884 phba->Port[j] = 0;
885 continue;
886 }
887 else {
888 index += 2;
889 i = vpd[index];
890 index += 1;
891 index += i;
892 Length -= (3 + i);
893 }
894 }
895 finished = 0;
896 break;
897 case 0x78:
898 finished = 1;
899 break;
900 default:
901 index ++;
902 break;
903 }
904 }
905
906 return(1);
907 }
908
909 static void
910 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
911 {
912 lpfc_vpd_t *vp;
913 uint16_t dev_id = phba->pcidev->device;
914 int max_speed;
915 struct {
916 char * name;
917 int max_speed;
918 char * bus;
919 } m = {"<Unknown>", 0, ""};
920
921 if (mdp && mdp[0] != '\0'
922 && descp && descp[0] != '\0')
923 return;
924
925 if (phba->lmt & LMT_10Gb)
926 max_speed = 10;
927 else if (phba->lmt & LMT_8Gb)
928 max_speed = 8;
929 else if (phba->lmt & LMT_4Gb)
930 max_speed = 4;
931 else if (phba->lmt & LMT_2Gb)
932 max_speed = 2;
933 else
934 max_speed = 1;
935
936 vp = &phba->vpd;
937
938 switch (dev_id) {
939 case PCI_DEVICE_ID_FIREFLY:
940 m = (typeof(m)){"LP6000", max_speed, "PCI"};
941 break;
942 case PCI_DEVICE_ID_SUPERFLY:
943 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
944 m = (typeof(m)){"LP7000", max_speed, "PCI"};
945 else
946 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
947 break;
948 case PCI_DEVICE_ID_DRAGONFLY:
949 m = (typeof(m)){"LP8000", max_speed, "PCI"};
950 break;
951 case PCI_DEVICE_ID_CENTAUR:
952 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
953 m = (typeof(m)){"LP9002", max_speed, "PCI"};
954 else
955 m = (typeof(m)){"LP9000", max_speed, "PCI"};
956 break;
957 case PCI_DEVICE_ID_RFLY:
958 m = (typeof(m)){"LP952", max_speed, "PCI"};
959 break;
960 case PCI_DEVICE_ID_PEGASUS:
961 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
962 break;
963 case PCI_DEVICE_ID_THOR:
964 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
965 break;
966 case PCI_DEVICE_ID_VIPER:
967 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
968 break;
969 case PCI_DEVICE_ID_PFLY:
970 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
971 break;
972 case PCI_DEVICE_ID_TFLY:
973 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
974 break;
975 case PCI_DEVICE_ID_HELIOS:
976 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
977 break;
978 case PCI_DEVICE_ID_HELIOS_SCSP:
979 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
980 break;
981 case PCI_DEVICE_ID_HELIOS_DCSP:
982 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
983 break;
984 case PCI_DEVICE_ID_NEPTUNE:
985 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
986 break;
987 case PCI_DEVICE_ID_NEPTUNE_SCSP:
988 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
989 break;
990 case PCI_DEVICE_ID_NEPTUNE_DCSP:
991 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
992 break;
993 case PCI_DEVICE_ID_BMID:
994 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
995 break;
996 case PCI_DEVICE_ID_BSMB:
997 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
998 break;
999 case PCI_DEVICE_ID_ZEPHYR:
1000 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1001 break;
1002 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1003 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1004 break;
1005 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1006 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1007 break;
1008 case PCI_DEVICE_ID_ZMID:
1009 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1010 break;
1011 case PCI_DEVICE_ID_ZSMB:
1012 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1013 break;
1014 case PCI_DEVICE_ID_LP101:
1015 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1016 break;
1017 case PCI_DEVICE_ID_LP10000S:
1018 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1019 break;
1020 case PCI_DEVICE_ID_LP11000S:
1021 m = (typeof(m)){"LP11000-S", max_speed,
1022 "PCI-X2"};
1023 break;
1024 case PCI_DEVICE_ID_LPE11000S:
1025 m = (typeof(m)){"LPe11000-S", max_speed,
1026 "PCIe"};
1027 break;
1028 case PCI_DEVICE_ID_SAT:
1029 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1030 break;
1031 case PCI_DEVICE_ID_SAT_MID:
1032 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1033 break;
1034 case PCI_DEVICE_ID_SAT_SMB:
1035 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1036 break;
1037 case PCI_DEVICE_ID_SAT_DCSP:
1038 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1039 break;
1040 case PCI_DEVICE_ID_SAT_SCSP:
1041 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1042 break;
1043 case PCI_DEVICE_ID_SAT_S:
1044 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1045 break;
1046 default:
1047 m = (typeof(m)){ NULL };
1048 break;
1049 }
1050
1051 if (mdp && mdp[0] == '\0')
1052 snprintf(mdp, 79,"%s", m.name);
1053 if (descp && descp[0] == '\0')
1054 snprintf(descp, 255,
1055 "Emulex %s %dGb %s Fibre Channel Adapter",
1056 m.name, m.max_speed, m.bus);
1057 }
1058
1059 /**************************************************/
1060 /* lpfc_post_buffer */
1061 /* */
1062 /* This routine will post count buffers to the */
1063 /* ring with the QUE_RING_BUF_CN command. This */
1064 /* allows 3 buffers / command to be posted. */
1065 /* Returns the number of buffers NOT posted. */
1066 /**************************************************/
1067 int
1068 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1069 int type)
1070 {
1071 IOCB_t *icmd;
1072 struct lpfc_iocbq *iocb;
1073 struct lpfc_dmabuf *mp1, *mp2;
1074
1075 cnt += pring->missbufcnt;
1076
1077 /* While there are buffers to post */
1078 while (cnt > 0) {
1079 /* Allocate buffer for command iocb */
1080 iocb = lpfc_sli_get_iocbq(phba);
1081 if (iocb == NULL) {
1082 pring->missbufcnt = cnt;
1083 return cnt;
1084 }
1085 icmd = &iocb->iocb;
1086
1087 /* 2 buffers can be posted per command */
1088 /* Allocate buffer to post */
1089 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1090 if (mp1)
1091 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1092 &mp1->phys);
1093 if (mp1 == 0 || mp1->virt == 0) {
1094 kfree(mp1);
1095 lpfc_sli_release_iocbq(phba, iocb);
1096 pring->missbufcnt = cnt;
1097 return cnt;
1098 }
1099
1100 INIT_LIST_HEAD(&mp1->list);
1101 /* Allocate buffer to post */
1102 if (cnt > 1) {
1103 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1104 if (mp2)
1105 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1106 &mp2->phys);
1107 if (mp2 == 0 || mp2->virt == 0) {
1108 kfree(mp2);
1109 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1110 kfree(mp1);
1111 lpfc_sli_release_iocbq(phba, iocb);
1112 pring->missbufcnt = cnt;
1113 return cnt;
1114 }
1115
1116 INIT_LIST_HEAD(&mp2->list);
1117 } else {
1118 mp2 = NULL;
1119 }
1120
1121 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1122 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1123 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1124 icmd->ulpBdeCount = 1;
1125 cnt--;
1126 if (mp2) {
1127 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1128 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1129 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1130 cnt--;
1131 icmd->ulpBdeCount = 2;
1132 }
1133
1134 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1135 icmd->ulpLe = 1;
1136
1137 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1138 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1139 kfree(mp1);
1140 cnt++;
1141 if (mp2) {
1142 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1143 kfree(mp2);
1144 cnt++;
1145 }
1146 lpfc_sli_release_iocbq(phba, iocb);
1147 pring->missbufcnt = cnt;
1148 return cnt;
1149 }
1150 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1151 if (mp2)
1152 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1153 }
1154 pring->missbufcnt = 0;
1155 return 0;
1156 }
1157
1158 /************************************************************************/
1159 /* */
1160 /* lpfc_post_rcv_buf */
1161 /* This routine post initial rcv buffers to the configured rings */
1162 /* */
1163 /************************************************************************/
1164 static int
1165 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1166 {
1167 struct lpfc_sli *psli = &phba->sli;
1168
1169 /* Ring 0, ELS / CT buffers */
1170 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1171 /* Ring 2 - FCP no buffers needed */
1172
1173 return 0;
1174 }
1175
1176 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1177
1178 /************************************************************************/
1179 /* */
1180 /* lpfc_sha_init */
1181 /* */
1182 /************************************************************************/
1183 static void
1184 lpfc_sha_init(uint32_t * HashResultPointer)
1185 {
1186 HashResultPointer[0] = 0x67452301;
1187 HashResultPointer[1] = 0xEFCDAB89;
1188 HashResultPointer[2] = 0x98BADCFE;
1189 HashResultPointer[3] = 0x10325476;
1190 HashResultPointer[4] = 0xC3D2E1F0;
1191 }
1192
1193 /************************************************************************/
1194 /* */
1195 /* lpfc_sha_iterate */
1196 /* */
1197 /************************************************************************/
1198 static void
1199 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1200 {
1201 int t;
1202 uint32_t TEMP;
1203 uint32_t A, B, C, D, E;
1204 t = 16;
1205 do {
1206 HashWorkingPointer[t] =
1207 S(1,
1208 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1209 8] ^
1210 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1211 } while (++t <= 79);
1212 t = 0;
1213 A = HashResultPointer[0];
1214 B = HashResultPointer[1];
1215 C = HashResultPointer[2];
1216 D = HashResultPointer[3];
1217 E = HashResultPointer[4];
1218
1219 do {
1220 if (t < 20) {
1221 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1222 } else if (t < 40) {
1223 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1224 } else if (t < 60) {
1225 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1226 } else {
1227 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1228 }
1229 TEMP += S(5, A) + E + HashWorkingPointer[t];
1230 E = D;
1231 D = C;
1232 C = S(30, B);
1233 B = A;
1234 A = TEMP;
1235 } while (++t <= 79);
1236
1237 HashResultPointer[0] += A;
1238 HashResultPointer[1] += B;
1239 HashResultPointer[2] += C;
1240 HashResultPointer[3] += D;
1241 HashResultPointer[4] += E;
1242
1243 }
1244
1245 /************************************************************************/
1246 /* */
1247 /* lpfc_challenge_key */
1248 /* */
1249 /************************************************************************/
1250 static void
1251 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1252 {
1253 *HashWorking = (*RandomChallenge ^ *HashWorking);
1254 }
1255
1256 /************************************************************************/
1257 /* */
1258 /* lpfc_hba_init */
1259 /* */
1260 /************************************************************************/
1261 void
1262 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1263 {
1264 int t;
1265 uint32_t *HashWorking;
1266 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1267
1268 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1269 if (!HashWorking)
1270 return;
1271
1272 HashWorking[0] = HashWorking[78] = *pwwnn++;
1273 HashWorking[1] = HashWorking[79] = *pwwnn;
1274
1275 for (t = 0; t < 7; t++)
1276 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1277
1278 lpfc_sha_init(hbainit);
1279 lpfc_sha_iterate(hbainit, HashWorking);
1280 kfree(HashWorking);
1281 }
1282
1283 static void
1284 lpfc_cleanup(struct lpfc_vport *vport)
1285 {
1286 struct lpfc_nodelist *ndlp, *next_ndlp;
1287
1288 /* clean up phba - lpfc specific */
1289 lpfc_can_disctmo(vport);
1290 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1291 lpfc_nlp_put(ndlp);
1292 return;
1293 }
1294
1295 static void
1296 lpfc_establish_link_tmo(unsigned long ptr)
1297 {
1298 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
1299 struct lpfc_vport **vports;
1300 unsigned long iflag;
1301 int i;
1302
1303 /* Re-establishing Link, timer expired */
1304 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1305 "1300 Re-establishing Link, timer expired "
1306 "Data: x%x x%x\n",
1307 phba->pport->fc_flag, phba->pport->port_state);
1308 vports = lpfc_create_vport_work_array(phba);
1309 if (vports != NULL)
1310 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1311 struct Scsi_Host *shost;
1312 shost = lpfc_shost_from_vport(vports[i]);
1313 spin_lock_irqsave(shost->host_lock, iflag);
1314 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1315 spin_unlock_irqrestore(shost->host_lock, iflag);
1316 }
1317 lpfc_destroy_vport_work_array(vports);
1318 }
1319
1320 void
1321 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1322 {
1323 del_timer_sync(&vport->els_tmofunc);
1324 del_timer_sync(&vport->fc_fdmitmo);
1325 lpfc_can_disctmo(vport);
1326 return;
1327 }
1328
1329 static void
1330 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1331 {
1332 del_timer_sync(&phba->fcp_poll_timer);
1333 del_timer_sync(&phba->fc_estabtmo);
1334 lpfc_stop_vport_timers(phba->pport);
1335 del_timer_sync(&phba->sli.mbox_tmo);
1336 del_timer_sync(&phba->fabric_block_timer);
1337 phba->hb_outstanding = 0;
1338 del_timer_sync(&phba->hb_tmofunc);
1339 return;
1340 }
1341
1342 int
1343 lpfc_online(struct lpfc_hba *phba)
1344 {
1345 struct lpfc_vport *vport = phba->pport;
1346 struct lpfc_vport **vports;
1347 int i;
1348
1349 if (!phba)
1350 return 0;
1351
1352 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1353 return 0;
1354
1355 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1356 "0458 Bring Adapter online\n");
1357
1358 lpfc_block_mgmt_io(phba);
1359
1360 if (!lpfc_sli_queue_setup(phba)) {
1361 lpfc_unblock_mgmt_io(phba);
1362 return 1;
1363 }
1364
1365 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1366 lpfc_unblock_mgmt_io(phba);
1367 return 1;
1368 }
1369
1370 vports = lpfc_create_vport_work_array(phba);
1371 if (vports != NULL)
1372 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1373 struct Scsi_Host *shost;
1374 shost = lpfc_shost_from_vport(vports[i]);
1375 spin_lock_irq(shost->host_lock);
1376 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1377 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1378 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1379 spin_unlock_irq(shost->host_lock);
1380 }
1381 lpfc_destroy_vport_work_array(vports);
1382
1383 lpfc_unblock_mgmt_io(phba);
1384 return 0;
1385 }
1386
1387 void
1388 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1389 {
1390 unsigned long iflag;
1391
1392 spin_lock_irqsave(&phba->hbalock, iflag);
1393 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1394 spin_unlock_irqrestore(&phba->hbalock, iflag);
1395 }
1396
1397 void
1398 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1399 {
1400 unsigned long iflag;
1401
1402 spin_lock_irqsave(&phba->hbalock, iflag);
1403 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1404 spin_unlock_irqrestore(&phba->hbalock, iflag);
1405 }
1406
1407 void
1408 lpfc_offline_prep(struct lpfc_hba * phba)
1409 {
1410 struct lpfc_vport *vport = phba->pport;
1411 struct lpfc_nodelist *ndlp, *next_ndlp;
1412
1413 if (vport->fc_flag & FC_OFFLINE_MODE)
1414 return;
1415
1416 lpfc_block_mgmt_io(phba);
1417
1418 lpfc_linkdown(phba);
1419
1420 /* Issue an unreg_login to all nodes */
1421 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1422 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
1423 lpfc_unreg_rpi(vport, ndlp);
1424
1425 lpfc_sli_flush_mbox_queue(phba);
1426 }
1427
1428 void
1429 lpfc_offline(struct lpfc_hba *phba)
1430 {
1431 struct Scsi_Host *shost;
1432 struct lpfc_vport **vports;
1433 int i;
1434
1435 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1436 return;
1437
1438 /* stop all timers associated with this hba */
1439 lpfc_stop_phba_timers(phba);
1440 vports = lpfc_create_vport_work_array(phba);
1441 if (vports != NULL)
1442 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1443 lpfc_stop_vport_timers(vports[i]);
1444 lpfc_destroy_vport_work_array(vports);
1445 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1446 "0460 Bring Adapter offline\n");
1447 /* Bring down the SLI Layer and cleanup. The HBA is offline
1448 now. */
1449 lpfc_sli_hba_down(phba);
1450 spin_lock_irq(&phba->hbalock);
1451 phba->work_ha = 0;
1452 spin_unlock_irq(&phba->hbalock);
1453 vports = lpfc_create_vport_work_array(phba);
1454 if (vports != NULL)
1455 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1456 shost = lpfc_shost_from_vport(vports[i]);
1457 lpfc_cleanup(vports[i]);
1458 spin_lock_irq(shost->host_lock);
1459 vports[i]->work_port_events = 0;
1460 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1461 spin_unlock_irq(shost->host_lock);
1462 }
1463 lpfc_destroy_vport_work_array(vports);
1464 }
1465
1466 /******************************************************************************
1467 * Function name: lpfc_scsi_free
1468 *
1469 * Description: Called from lpfc_pci_remove_one free internal driver resources
1470 *
1471 ******************************************************************************/
1472 static int
1473 lpfc_scsi_free(struct lpfc_hba *phba)
1474 {
1475 struct lpfc_scsi_buf *sb, *sb_next;
1476 struct lpfc_iocbq *io, *io_next;
1477
1478 spin_lock_irq(&phba->hbalock);
1479 /* Release all the lpfc_scsi_bufs maintained by this host. */
1480 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1481 list_del(&sb->list);
1482 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1483 sb->dma_handle);
1484 kfree(sb);
1485 phba->total_scsi_bufs--;
1486 }
1487
1488 /* Release all the lpfc_iocbq entries maintained by this host. */
1489 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1490 list_del(&io->list);
1491 kfree(io);
1492 phba->total_iocbq_bufs--;
1493 }
1494
1495 spin_unlock_irq(&phba->hbalock);
1496
1497 return 0;
1498 }
1499
1500 struct lpfc_vport *
1501 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1502 {
1503 struct lpfc_vport *vport;
1504 struct Scsi_Host *shost;
1505 int error = 0;
1506
1507 if (dev != &phba->pcidev->dev)
1508 shost = scsi_host_alloc(&lpfc_vport_template,
1509 sizeof(struct lpfc_vport));
1510 else
1511 shost = scsi_host_alloc(&lpfc_template,
1512 sizeof(struct lpfc_vport));
1513 if (!shost)
1514 goto out;
1515
1516 vport = (struct lpfc_vport *) shost->hostdata;
1517 vport->phba = phba;
1518
1519 vport->load_flag |= FC_LOADING;
1520 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1521
1522 lpfc_get_vport_cfgparam(vport);
1523 shost->unique_id = instance;
1524 shost->max_id = LPFC_MAX_TARGET;
1525 shost->max_lun = vport->cfg_max_luns;
1526 shost->this_id = -1;
1527 shost->max_cmd_len = 16;
1528 /*
1529 * Set initial can_queue value since 0 is no longer supported and
1530 * scsi_add_host will fail. This will be adjusted later based on the
1531 * max xri value determined in hba setup.
1532 */
1533 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1534 if (dev != &phba->pcidev->dev) {
1535 shost->transportt = lpfc_vport_transport_template;
1536 vport->port_type = LPFC_NPIV_PORT;
1537 } else {
1538 shost->transportt = lpfc_transport_template;
1539 vport->port_type = LPFC_PHYSICAL_PORT;
1540 }
1541
1542 /* Initialize all internally managed lists. */
1543 INIT_LIST_HEAD(&vport->fc_nodes);
1544 spin_lock_init(&vport->work_port_lock);
1545
1546 init_timer(&vport->fc_disctmo);
1547 vport->fc_disctmo.function = lpfc_disc_timeout;
1548 vport->fc_disctmo.data = (unsigned long)vport;
1549
1550 init_timer(&vport->fc_fdmitmo);
1551 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1552 vport->fc_fdmitmo.data = (unsigned long)vport;
1553
1554 init_timer(&vport->els_tmofunc);
1555 vport->els_tmofunc.function = lpfc_els_timeout;
1556 vport->els_tmofunc.data = (unsigned long)vport;
1557
1558 error = scsi_add_host(shost, dev);
1559 if (error)
1560 goto out_put_shost;
1561
1562 spin_lock_irq(&phba->hbalock);
1563 list_add_tail(&vport->listentry, &phba->port_list);
1564 spin_unlock_irq(&phba->hbalock);
1565 return vport;
1566
1567 out_put_shost:
1568 scsi_host_put(shost);
1569 out:
1570 return NULL;
1571 }
1572
1573 void
1574 destroy_port(struct lpfc_vport *vport)
1575 {
1576 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1577 struct lpfc_hba *phba = vport->phba;
1578
1579 kfree(vport->vname);
1580
1581 lpfc_debugfs_terminate(vport);
1582 fc_remove_host(shost);
1583 scsi_remove_host(shost);
1584
1585 spin_lock_irq(&phba->hbalock);
1586 list_del_init(&vport->listentry);
1587 spin_unlock_irq(&phba->hbalock);
1588
1589 lpfc_cleanup(vport);
1590 return;
1591 }
1592
1593 int
1594 lpfc_get_instance(void)
1595 {
1596 int instance = 0;
1597
1598 /* Assign an unused number */
1599 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1600 return -1;
1601 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1602 return -1;
1603 return instance;
1604 }
1605
1606 /*
1607 * Note: there is no scan_start function as adapter initialization
1608 * will have asynchronously kicked off the link initialization.
1609 */
1610
1611 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1612 {
1613 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1614 struct lpfc_hba *phba = vport->phba;
1615 int stat = 0;
1616
1617 spin_lock_irq(shost->host_lock);
1618
1619 if (vport->load_flag & FC_UNLOADING) {
1620 stat = 1;
1621 goto finished;
1622 }
1623 if (time >= 30 * HZ) {
1624 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1625 "0461 Scanning longer than 30 "
1626 "seconds. Continuing initialization\n");
1627 stat = 1;
1628 goto finished;
1629 }
1630 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1631 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1632 "0465 Link down longer than 15 "
1633 "seconds. Continuing initialization\n");
1634 stat = 1;
1635 goto finished;
1636 }
1637
1638 if (vport->port_state != LPFC_VPORT_READY)
1639 goto finished;
1640 if (vport->num_disc_nodes || vport->fc_prli_sent)
1641 goto finished;
1642 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1643 goto finished;
1644 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1645 goto finished;
1646
1647 stat = 1;
1648
1649 finished:
1650 spin_unlock_irq(shost->host_lock);
1651 return stat;
1652 }
1653
1654 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1655 {
1656 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1657 struct lpfc_hba *phba = vport->phba;
1658 /*
1659 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1660 */
1661
1662 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1663 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1664 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1665
1666 memset(fc_host_supported_fc4s(shost), 0,
1667 sizeof(fc_host_supported_fc4s(shost)));
1668 fc_host_supported_fc4s(shost)[2] = 1;
1669 fc_host_supported_fc4s(shost)[7] = 1;
1670
1671 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1672 sizeof fc_host_symbolic_name(shost));
1673
1674 fc_host_supported_speeds(shost) = 0;
1675 if (phba->lmt & LMT_10Gb)
1676 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1677 if (phba->lmt & LMT_4Gb)
1678 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1679 if (phba->lmt & LMT_2Gb)
1680 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1681 if (phba->lmt & LMT_1Gb)
1682 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1683
1684 fc_host_maxframe_size(shost) =
1685 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1686 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1687
1688 /* This value is also unchanging */
1689 memset(fc_host_active_fc4s(shost), 0,
1690 sizeof(fc_host_active_fc4s(shost)));
1691 fc_host_active_fc4s(shost)[2] = 1;
1692 fc_host_active_fc4s(shost)[7] = 1;
1693
1694 fc_host_max_npiv_vports(shost) = phba->max_vpi;
1695 spin_lock_irq(shost->host_lock);
1696 vport->load_flag &= ~FC_LOADING;
1697 spin_unlock_irq(shost->host_lock);
1698 }
1699
1700 static int __devinit
1701 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1702 {
1703 struct lpfc_vport *vport = NULL;
1704 struct lpfc_hba *phba;
1705 struct lpfc_sli *psli;
1706 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1707 struct Scsi_Host *shost = NULL;
1708 void *ptr;
1709 unsigned long bar0map_len, bar2map_len;
1710 int error = -ENODEV;
1711 int i, hbq_count;
1712 uint16_t iotag;
1713
1714 if (pci_enable_device(pdev))
1715 goto out;
1716 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1717 goto out_disable_device;
1718
1719 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1720 if (!phba)
1721 goto out_release_regions;
1722
1723 spin_lock_init(&phba->hbalock);
1724
1725 phba->pcidev = pdev;
1726
1727 /* Assign an unused board number */
1728 if ((phba->brd_no = lpfc_get_instance()) < 0)
1729 goto out_free_phba;
1730
1731 INIT_LIST_HEAD(&phba->port_list);
1732 /*
1733 * Get all the module params for configuring this host and then
1734 * establish the host.
1735 */
1736 lpfc_get_cfgparam(phba);
1737 phba->max_vpi = LPFC_MAX_VPI;
1738
1739 /* Initialize timers used by driver */
1740 init_timer(&phba->fc_estabtmo);
1741 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1742 phba->fc_estabtmo.data = (unsigned long)phba;
1743
1744 init_timer(&phba->hb_tmofunc);
1745 phba->hb_tmofunc.function = lpfc_hb_timeout;
1746 phba->hb_tmofunc.data = (unsigned long)phba;
1747
1748 psli = &phba->sli;
1749 init_timer(&psli->mbox_tmo);
1750 psli->mbox_tmo.function = lpfc_mbox_timeout;
1751 psli->mbox_tmo.data = (unsigned long) phba;
1752 init_timer(&phba->fcp_poll_timer);
1753 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1754 phba->fcp_poll_timer.data = (unsigned long) phba;
1755 init_timer(&phba->fabric_block_timer);
1756 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1757 phba->fabric_block_timer.data = (unsigned long) phba;
1758
1759 pci_set_master(pdev);
1760 pci_try_set_mwi(pdev);
1761
1762 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1763 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1764 goto out_idr_remove;
1765
1766 /*
1767 * Get the bus address of Bar0 and Bar2 and the number of bytes
1768 * required by each mapping.
1769 */
1770 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1771 bar0map_len = pci_resource_len(phba->pcidev, 0);
1772
1773 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1774 bar2map_len = pci_resource_len(phba->pcidev, 2);
1775
1776 /* Map HBA SLIM to a kernel virtual address. */
1777 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1778 if (!phba->slim_memmap_p) {
1779 error = -ENODEV;
1780 dev_printk(KERN_ERR, &pdev->dev,
1781 "ioremap failed for SLIM memory.\n");
1782 goto out_idr_remove;
1783 }
1784
1785 /* Map HBA Control Registers to a kernel virtual address. */
1786 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1787 if (!phba->ctrl_regs_memmap_p) {
1788 error = -ENODEV;
1789 dev_printk(KERN_ERR, &pdev->dev,
1790 "ioremap failed for HBA control registers.\n");
1791 goto out_iounmap_slim;
1792 }
1793
1794 /* Allocate memory for SLI-2 structures */
1795 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1796 &phba->slim2p_mapping, GFP_KERNEL);
1797 if (!phba->slim2p)
1798 goto out_iounmap;
1799
1800 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1801
1802 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1803 lpfc_sli_hbq_size(),
1804 &phba->hbqslimp.phys,
1805 GFP_KERNEL);
1806 if (!phba->hbqslimp.virt)
1807 goto out_free_slim;
1808
1809 hbq_count = lpfc_sli_hbq_count();
1810 ptr = phba->hbqslimp.virt;
1811 for (i = 0; i < hbq_count; ++i) {
1812 phba->hbqs[i].hbq_virt = ptr;
1813 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1814 ptr += (lpfc_hbq_defs[i]->entry_count *
1815 sizeof(struct lpfc_hbq_entry));
1816 }
1817 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1818 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
1819
1820 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1821
1822 /* Initialize the SLI Layer to run with lpfc HBAs. */
1823 lpfc_sli_setup(phba);
1824 lpfc_sli_queue_setup(phba);
1825
1826 error = lpfc_mem_alloc(phba);
1827 if (error)
1828 goto out_free_hbqslimp;
1829
1830 /* Initialize and populate the iocb list per host. */
1831 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1832 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1833 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1834 if (iocbq_entry == NULL) {
1835 printk(KERN_ERR "%s: only allocated %d iocbs of "
1836 "expected %d count. Unloading driver.\n",
1837 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1838 error = -ENOMEM;
1839 goto out_free_iocbq;
1840 }
1841
1842 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1843 if (iotag == 0) {
1844 kfree (iocbq_entry);
1845 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1846 "Unloading driver.\n",
1847 __FUNCTION__);
1848 error = -ENOMEM;
1849 goto out_free_iocbq;
1850 }
1851
1852 spin_lock_irq(&phba->hbalock);
1853 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1854 phba->total_iocbq_bufs++;
1855 spin_unlock_irq(&phba->hbalock);
1856 }
1857
1858 /* Initialize HBA structure */
1859 phba->fc_edtov = FF_DEF_EDTOV;
1860 phba->fc_ratov = FF_DEF_RATOV;
1861 phba->fc_altov = FF_DEF_ALTOV;
1862 phba->fc_arbtov = FF_DEF_ARBTOV;
1863
1864 INIT_LIST_HEAD(&phba->work_list);
1865 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1866 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1867
1868 /* Startup the kernel thread for this host adapter. */
1869 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1870 "lpfc_worker_%d", phba->brd_no);
1871 if (IS_ERR(phba->worker_thread)) {
1872 error = PTR_ERR(phba->worker_thread);
1873 goto out_free_iocbq;
1874 }
1875
1876 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1877 spin_lock_init(&phba->scsi_buf_list_lock);
1878 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1879
1880 /* Initialize list of fabric iocbs */
1881 INIT_LIST_HEAD(&phba->fabric_iocb_list);
1882
1883 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
1884 if (!vport)
1885 goto out_kthread_stop;
1886
1887 shost = lpfc_shost_from_vport(vport);
1888 phba->pport = vport;
1889 lpfc_debugfs_initialize(vport);
1890
1891 pci_set_drvdata(pdev, shost);
1892
1893 if (phba->cfg_use_msi) {
1894 error = pci_enable_msi(phba->pcidev);
1895 if (!error)
1896 phba->using_msi = 1;
1897 else
1898 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1899 "0452 Enable MSI failed, continuing "
1900 "with IRQ\n");
1901 }
1902
1903 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1904 LPFC_DRIVER_NAME, phba);
1905 if (error) {
1906 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1907 "0451 Enable interrupt handler failed\n");
1908 goto out_disable_msi;
1909 }
1910
1911 phba->MBslimaddr = phba->slim_memmap_p;
1912 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1913 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1914 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1915 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1916
1917 if (lpfc_alloc_sysfs_attr(vport))
1918 goto out_free_irq;
1919
1920 if (lpfc_sli_hba_setup(phba))
1921 goto out_remove_device;
1922
1923 /*
1924 * hba setup may have changed the hba_queue_depth so we need to adjust
1925 * the value of can_queue.
1926 */
1927 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1928
1929 lpfc_host_attrib_init(shost);
1930
1931 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1932 spin_lock_irq(shost->host_lock);
1933 lpfc_poll_start_timer(phba);
1934 spin_unlock_irq(shost->host_lock);
1935 }
1936
1937 scsi_scan_host(shost);
1938
1939 return 0;
1940
1941 out_remove_device:
1942 lpfc_free_sysfs_attr(vport);
1943 spin_lock_irq(shost->host_lock);
1944 vport->load_flag |= FC_UNLOADING;
1945 spin_unlock_irq(shost->host_lock);
1946 out_free_irq:
1947 lpfc_stop_phba_timers(phba);
1948 phba->pport->work_port_events = 0;
1949 free_irq(phba->pcidev->irq, phba);
1950 out_disable_msi:
1951 if (phba->using_msi)
1952 pci_disable_msi(phba->pcidev);
1953 destroy_port(vport);
1954 out_kthread_stop:
1955 kthread_stop(phba->worker_thread);
1956 out_free_iocbq:
1957 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1958 &phba->lpfc_iocb_list, list) {
1959 kfree(iocbq_entry);
1960 phba->total_iocbq_bufs--;
1961 }
1962 lpfc_mem_free(phba);
1963 out_free_hbqslimp:
1964 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1965 phba->hbqslimp.phys);
1966 out_free_slim:
1967 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1968 phba->slim2p_mapping);
1969 out_iounmap:
1970 iounmap(phba->ctrl_regs_memmap_p);
1971 out_iounmap_slim:
1972 iounmap(phba->slim_memmap_p);
1973 out_idr_remove:
1974 idr_remove(&lpfc_hba_index, phba->brd_no);
1975 out_free_phba:
1976 kfree(phba);
1977 out_release_regions:
1978 pci_release_regions(pdev);
1979 out_disable_device:
1980 pci_disable_device(pdev);
1981 out:
1982 pci_set_drvdata(pdev, NULL);
1983 if (shost)
1984 scsi_host_put(shost);
1985 return error;
1986 }
1987
1988 static void __devexit
1989 lpfc_pci_remove_one(struct pci_dev *pdev)
1990 {
1991 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1992 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1993 struct lpfc_hba *phba = vport->phba;
1994 spin_lock_irq(&phba->hbalock);
1995 vport->load_flag |= FC_UNLOADING;
1996 spin_unlock_irq(&phba->hbalock);
1997
1998 kfree(vport->vname);
1999 lpfc_free_sysfs_attr(vport);
2000
2001 fc_remove_host(shost);
2002 scsi_remove_host(shost);
2003 /*
2004 * Bring down the SLI Layer. This step disable all interrupts,
2005 * clears the rings, discards all mailbox commands, and resets
2006 * the HBA.
2007 */
2008 lpfc_sli_hba_down(phba);
2009 lpfc_sli_brdrestart(phba);
2010
2011 lpfc_stop_phba_timers(phba);
2012 spin_lock_irq(&phba->hbalock);
2013 list_del_init(&vport->listentry);
2014 spin_unlock_irq(&phba->hbalock);
2015
2016 lpfc_debugfs_terminate(vport);
2017 lpfc_cleanup(vport);
2018
2019 kthread_stop(phba->worker_thread);
2020
2021 /* Release the irq reservation */
2022 free_irq(phba->pcidev->irq, phba);
2023 if (phba->using_msi)
2024 pci_disable_msi(phba->pcidev);
2025
2026 pci_set_drvdata(pdev, NULL);
2027 scsi_host_put(shost);
2028
2029 /*
2030 * Call scsi_free before mem_free since scsi bufs are released to their
2031 * corresponding pools here.
2032 */
2033 lpfc_scsi_free(phba);
2034 lpfc_mem_free(phba);
2035
2036 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2037 phba->hbqslimp.phys);
2038
2039 /* Free resources associated with SLI2 interface */
2040 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2041 phba->slim2p, phba->slim2p_mapping);
2042
2043 /* unmap adapter SLIM and Control Registers */
2044 iounmap(phba->ctrl_regs_memmap_p);
2045 iounmap(phba->slim_memmap_p);
2046
2047 idr_remove(&lpfc_hba_index, phba->brd_no);
2048
2049 kfree(phba);
2050
2051 pci_release_regions(pdev);
2052 pci_disable_device(pdev);
2053 }
2054
2055 /**
2056 * lpfc_io_error_detected - called when PCI error is detected
2057 * @pdev: Pointer to PCI device
2058 * @state: The current pci conneection state
2059 *
2060 * This function is called after a PCI bus error affecting
2061 * this device has been detected.
2062 */
2063 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2064 pci_channel_state_t state)
2065 {
2066 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2067 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2068 struct lpfc_sli *psli = &phba->sli;
2069 struct lpfc_sli_ring *pring;
2070
2071 if (state == pci_channel_io_perm_failure)
2072 return PCI_ERS_RESULT_DISCONNECT;
2073
2074 pci_disable_device(pdev);
2075 /*
2076 * There may be I/Os dropped by the firmware.
2077 * Error iocb (I/O) on txcmplq and let the SCSI layer
2078 * retry it after re-establishing link.
2079 */
2080 pring = &psli->ring[psli->fcp_ring];
2081 lpfc_sli_abort_iocb_ring(phba, pring);
2082
2083 /* Release the irq reservation */
2084 free_irq(phba->pcidev->irq, phba);
2085 if (phba->using_msi)
2086 pci_disable_msi(phba->pcidev);
2087
2088 /* Request a slot reset. */
2089 return PCI_ERS_RESULT_NEED_RESET;
2090 }
2091
2092 /**
2093 * lpfc_io_slot_reset - called after the pci bus has been reset.
2094 * @pdev: Pointer to PCI device
2095 *
2096 * Restart the card from scratch, as if from a cold-boot.
2097 */
2098 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2099 {
2100 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2101 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2102 struct lpfc_sli *psli = &phba->sli;
2103 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2104
2105 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2106 if (pci_enable_device_bars(pdev, bars)) {
2107 printk(KERN_ERR "lpfc: Cannot re-enable "
2108 "PCI device after reset.\n");
2109 return PCI_ERS_RESULT_DISCONNECT;
2110 }
2111
2112 pci_set_master(pdev);
2113
2114 /* Re-establishing Link */
2115 spin_lock_irq(shost->host_lock);
2116 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2117 spin_unlock_irq(shost->host_lock);
2118
2119 spin_lock_irq(&phba->hbalock);
2120 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2121 spin_unlock_irq(&phba->hbalock);
2122
2123
2124 /* Take device offline; this will perform cleanup */
2125 lpfc_offline(phba);
2126 lpfc_sli_brdrestart(phba);
2127
2128 return PCI_ERS_RESULT_RECOVERED;
2129 }
2130
2131 /**
2132 * lpfc_io_resume - called when traffic can start flowing again.
2133 * @pdev: Pointer to PCI device
2134 *
2135 * This callback is called when the error recovery driver tells us that
2136 * its OK to resume normal operation.
2137 */
2138 static void lpfc_io_resume(struct pci_dev *pdev)
2139 {
2140 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2141 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2142
2143 if (lpfc_online(phba) == 0) {
2144 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2145 }
2146 }
2147
2148 static struct pci_device_id lpfc_id_table[] = {
2149 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2150 PCI_ANY_ID, PCI_ANY_ID, },
2151 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2152 PCI_ANY_ID, PCI_ANY_ID, },
2153 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2154 PCI_ANY_ID, PCI_ANY_ID, },
2155 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2156 PCI_ANY_ID, PCI_ANY_ID, },
2157 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2158 PCI_ANY_ID, PCI_ANY_ID, },
2159 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2160 PCI_ANY_ID, PCI_ANY_ID, },
2161 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2162 PCI_ANY_ID, PCI_ANY_ID, },
2163 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2164 PCI_ANY_ID, PCI_ANY_ID, },
2165 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2166 PCI_ANY_ID, PCI_ANY_ID, },
2167 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2168 PCI_ANY_ID, PCI_ANY_ID, },
2169 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2170 PCI_ANY_ID, PCI_ANY_ID, },
2171 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2172 PCI_ANY_ID, PCI_ANY_ID, },
2173 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2174 PCI_ANY_ID, PCI_ANY_ID, },
2175 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2176 PCI_ANY_ID, PCI_ANY_ID, },
2177 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2178 PCI_ANY_ID, PCI_ANY_ID, },
2179 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2180 PCI_ANY_ID, PCI_ANY_ID, },
2181 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2182 PCI_ANY_ID, PCI_ANY_ID, },
2183 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2184 PCI_ANY_ID, PCI_ANY_ID, },
2185 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2186 PCI_ANY_ID, PCI_ANY_ID, },
2187 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2188 PCI_ANY_ID, PCI_ANY_ID, },
2189 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2190 PCI_ANY_ID, PCI_ANY_ID, },
2191 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2192 PCI_ANY_ID, PCI_ANY_ID, },
2193 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2194 PCI_ANY_ID, PCI_ANY_ID, },
2195 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2196 PCI_ANY_ID, PCI_ANY_ID, },
2197 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2198 PCI_ANY_ID, PCI_ANY_ID, },
2199 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2200 PCI_ANY_ID, PCI_ANY_ID, },
2201 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2202 PCI_ANY_ID, PCI_ANY_ID, },
2203 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2204 PCI_ANY_ID, PCI_ANY_ID, },
2205 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2206 PCI_ANY_ID, PCI_ANY_ID, },
2207 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2208 PCI_ANY_ID, PCI_ANY_ID, },
2209 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2210 PCI_ANY_ID, PCI_ANY_ID, },
2211 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2212 PCI_ANY_ID, PCI_ANY_ID, },
2213 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2214 PCI_ANY_ID, PCI_ANY_ID, },
2215 { 0 }
2216 };
2217
2218 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2219
2220 static struct pci_error_handlers lpfc_err_handler = {
2221 .error_detected = lpfc_io_error_detected,
2222 .slot_reset = lpfc_io_slot_reset,
2223 .resume = lpfc_io_resume,
2224 };
2225
2226 static struct pci_driver lpfc_driver = {
2227 .name = LPFC_DRIVER_NAME,
2228 .id_table = lpfc_id_table,
2229 .probe = lpfc_pci_probe_one,
2230 .remove = __devexit_p(lpfc_pci_remove_one),
2231 .err_handler = &lpfc_err_handler,
2232 };
2233
2234 static int __init
2235 lpfc_init(void)
2236 {
2237 int error = 0;
2238
2239 printk(LPFC_MODULE_DESC "\n");
2240 printk(LPFC_COPYRIGHT "\n");
2241
2242 lpfc_transport_template =
2243 fc_attach_transport(&lpfc_transport_functions);
2244 lpfc_vport_transport_template =
2245 fc_attach_transport(&lpfc_vport_transport_functions);
2246 if (!lpfc_transport_template || !lpfc_vport_transport_template)
2247 return -ENOMEM;
2248 error = pci_register_driver(&lpfc_driver);
2249 if (error) {
2250 fc_release_transport(lpfc_transport_template);
2251 fc_release_transport(lpfc_vport_transport_template);
2252 }
2253
2254 return error;
2255 }
2256
2257 static void __exit
2258 lpfc_exit(void)
2259 {
2260 pci_unregister_driver(&lpfc_driver);
2261 fc_release_transport(lpfc_transport_template);
2262 fc_release_transport(lpfc_vport_transport_template);
2263 }
2264
2265 module_init(lpfc_init);
2266 module_exit(lpfc_exit);
2267 MODULE_LICENSE("GPL");
2268 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2269 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2270 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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