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[SCSI] lpfc 8.2.2 : Miscellaneous Bug Fixes
[linux-2.6/mini2440.git] / drivers / scsi / lpfc / lpfc_init.c
blob21f8f7a56e23aaba59f75ae66bbd06b8b11617d3
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 #include "lpfc_vport.h"
47
48 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
49 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
50 static int lpfc_post_rcv_buf(struct lpfc_hba *);
51
52 static struct scsi_transport_template *lpfc_transport_template = NULL;
53 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
54 static DEFINE_IDR(lpfc_hba_index);
55
56
57
58 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
59
60 /************************************************************************/
61 /* */
62 /* lpfc_config_port_prep */
63 /* This routine will do LPFC initialization prior to the */
64 /* CONFIG_PORT mailbox command. This will be initialized */
65 /* as a SLI layer callback routine. */
66 /* This routine returns 0 on success or -ERESTART if it wants */
67 /* the SLI layer to reset the HBA and try again. Any */
68 /* other return value indicates an error. */
69 /* */
70 /************************************************************************/
71 int
72 lpfc_config_port_prep(struct lpfc_hba *phba)
73 {
74 lpfc_vpd_t *vp = &phba->vpd;
75 int i = 0, rc;
76 LPFC_MBOXQ_t *pmb;
77 MAILBOX_t *mb;
78 char *lpfc_vpd_data = NULL;
79 uint16_t offset = 0;
80 static char licensed[56] =
81 "key unlock for use with gnu public licensed code only\0";
82 static int init_key = 1;
83
84 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
85 if (!pmb) {
86 phba->link_state = LPFC_HBA_ERROR;
87 return -ENOMEM;
88 }
89
90 mb = &pmb->mb;
91 phba->link_state = LPFC_INIT_MBX_CMDS;
92
93 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
94 if (init_key) {
95 uint32_t *ptext = (uint32_t *) licensed;
96
97 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
98 *ptext = cpu_to_be32(*ptext);
99 init_key = 0;
100 }
101
102 lpfc_read_nv(phba, pmb);
103 memset((char*)mb->un.varRDnvp.rsvd3, 0,
104 sizeof (mb->un.varRDnvp.rsvd3));
105 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
106 sizeof (licensed));
107
108 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
109
110 if (rc != MBX_SUCCESS) {
111 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
112 "0324 Config Port initialization "
113 "error, mbxCmd x%x READ_NVPARM, "
114 "mbxStatus x%x\n",
115 mb->mbxCommand, mb->mbxStatus);
116 mempool_free(pmb, phba->mbox_mem_pool);
117 return -ERESTART;
118 }
119 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
120 sizeof(phba->wwnn));
121 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
122 sizeof(phba->wwpn));
123 }
124
125 phba->sli3_options = 0x0;
126
127 /* Setup and issue mailbox READ REV command */
128 lpfc_read_rev(phba, pmb);
129 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
130 if (rc != MBX_SUCCESS) {
131 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
132 "0439 Adapter failed to init, mbxCmd x%x "
133 "READ_REV, mbxStatus x%x\n",
134 mb->mbxCommand, mb->mbxStatus);
135 mempool_free( pmb, phba->mbox_mem_pool);
136 return -ERESTART;
137 }
138
139
140 /*
141 * The value of rr must be 1 since the driver set the cv field to 1.
142 * This setting requires the FW to set all revision fields.
143 */
144 if (mb->un.varRdRev.rr == 0) {
145 vp->rev.rBit = 0;
146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
147 "0440 Adapter failed to init, READ_REV has "
148 "missing revision information.\n");
149 mempool_free(pmb, phba->mbox_mem_pool);
150 return -ERESTART;
151 }
152
153 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
154 return -EINVAL;
155
156 /* Save information as VPD data */
157 vp->rev.rBit = 1;
158 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
159 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
160 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
161 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
162 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
163 vp->rev.biuRev = mb->un.varRdRev.biuRev;
164 vp->rev.smRev = mb->un.varRdRev.smRev;
165 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
166 vp->rev.endecRev = mb->un.varRdRev.endecRev;
167 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
168 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
169 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
170 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
171 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
172 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
173
174 /* If the sli feature level is less then 9, we must
175 * tear down all RPIs and VPIs on link down if NPIV
176 * is enabled.
177 */
178 if (vp->rev.feaLevelHigh < 9)
179 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
180
181 if (lpfc_is_LC_HBA(phba->pcidev->device))
182 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
183 sizeof (phba->RandomData));
184
185 /* Get adapter VPD information */
186 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
187 if (!pmb->context2)
188 goto out_free_mbox;
189 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
190 if (!lpfc_vpd_data)
191 goto out_free_context2;
192
193 do {
194 lpfc_dump_mem(phba, pmb, offset);
195 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
196
197 if (rc != MBX_SUCCESS) {
198 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
199 "0441 VPD not present on adapter, "
200 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
201 mb->mbxCommand, mb->mbxStatus);
202 mb->un.varDmp.word_cnt = 0;
203 }
204 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
205 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
206 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
207 mb->un.varDmp.word_cnt);
208 offset += mb->un.varDmp.word_cnt;
209 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
210 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
211
212 kfree(lpfc_vpd_data);
213 out_free_context2:
214 kfree(pmb->context2);
215 out_free_mbox:
216 mempool_free(pmb, phba->mbox_mem_pool);
217 return 0;
218 }
219
220 /************************************************************************/
221 /* */
222 /* lpfc_config_port_post */
223 /* This routine will do LPFC initialization after the */
224 /* CONFIG_PORT mailbox command. This will be initialized */
225 /* as a SLI layer callback routine. */
226 /* This routine returns 0 on success. Any other return value */
227 /* indicates an error. */
228 /* */
229 /************************************************************************/
230 int
231 lpfc_config_port_post(struct lpfc_hba *phba)
232 {
233 struct lpfc_vport *vport = phba->pport;
234 LPFC_MBOXQ_t *pmb;
235 MAILBOX_t *mb;
236 struct lpfc_dmabuf *mp;
237 struct lpfc_sli *psli = &phba->sli;
238 uint32_t status, timeout;
239 int i, j;
240 int rc;
241
242 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
243 if (!pmb) {
244 phba->link_state = LPFC_HBA_ERROR;
245 return -ENOMEM;
246 }
247 mb = &pmb->mb;
248
249 /* Get login parameters for NID. */
250 lpfc_read_sparam(phba, pmb, 0);
251 pmb->vport = vport;
252 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
253 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
254 "0448 Adapter failed init, mbxCmd x%x "
255 "READ_SPARM mbxStatus x%x\n",
256 mb->mbxCommand, mb->mbxStatus);
257 phba->link_state = LPFC_HBA_ERROR;
258 mp = (struct lpfc_dmabuf *) pmb->context1;
259 mempool_free( pmb, phba->mbox_mem_pool);
260 lpfc_mbuf_free(phba, mp->virt, mp->phys);
261 kfree(mp);
262 return -EIO;
263 }
264
265 mp = (struct lpfc_dmabuf *) pmb->context1;
266
267 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
268 lpfc_mbuf_free(phba, mp->virt, mp->phys);
269 kfree(mp);
270 pmb->context1 = NULL;
271
272 if (phba->cfg_soft_wwnn)
273 u64_to_wwn(phba->cfg_soft_wwnn,
274 vport->fc_sparam.nodeName.u.wwn);
275 if (phba->cfg_soft_wwpn)
276 u64_to_wwn(phba->cfg_soft_wwpn,
277 vport->fc_sparam.portName.u.wwn);
278 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
279 sizeof (struct lpfc_name));
280 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
281 sizeof (struct lpfc_name));
282 /* If no serial number in VPD data, use low 6 bytes of WWNN */
283 /* This should be consolidated into parse_vpd ? - mr */
284 if (phba->SerialNumber[0] == 0) {
285 uint8_t *outptr;
286
287 outptr = &vport->fc_nodename.u.s.IEEE[0];
288 for (i = 0; i < 12; i++) {
289 status = *outptr++;
290 j = ((status & 0xf0) >> 4);
291 if (j <= 9)
292 phba->SerialNumber[i] =
293 (char)((uint8_t) 0x30 + (uint8_t) j);
294 else
295 phba->SerialNumber[i] =
296 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
297 i++;
298 j = (status & 0xf);
299 if (j <= 9)
300 phba->SerialNumber[i] =
301 (char)((uint8_t) 0x30 + (uint8_t) j);
302 else
303 phba->SerialNumber[i] =
304 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
305 }
306 }
307
308 lpfc_read_config(phba, pmb);
309 pmb->vport = vport;
310 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
311 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
312 "0453 Adapter failed to init, mbxCmd x%x "
313 "READ_CONFIG, mbxStatus x%x\n",
314 mb->mbxCommand, mb->mbxStatus);
315 phba->link_state = LPFC_HBA_ERROR;
316 mempool_free( pmb, phba->mbox_mem_pool);
317 return -EIO;
318 }
319
320 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
321 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
322 phba->cfg_hba_queue_depth =
323 mb->un.varRdConfig.max_xri + 1;
324
325 phba->lmt = mb->un.varRdConfig.lmt;
326
327 /* Get the default values for Model Name and Description */
328 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
329
330 if ((phba->cfg_link_speed > LINK_SPEED_10G)
331 || ((phba->cfg_link_speed == LINK_SPEED_1G)
332 && !(phba->lmt & LMT_1Gb))
333 || ((phba->cfg_link_speed == LINK_SPEED_2G)
334 && !(phba->lmt & LMT_2Gb))
335 || ((phba->cfg_link_speed == LINK_SPEED_4G)
336 && !(phba->lmt & LMT_4Gb))
337 || ((phba->cfg_link_speed == LINK_SPEED_8G)
338 && !(phba->lmt & LMT_8Gb))
339 || ((phba->cfg_link_speed == LINK_SPEED_10G)
340 && !(phba->lmt & LMT_10Gb))) {
341 /* Reset link speed to auto */
342 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
343 "1302 Invalid speed for this board: "
344 "Reset link speed to auto: x%x\n",
345 phba->cfg_link_speed);
346 phba->cfg_link_speed = LINK_SPEED_AUTO;
347 }
348
349 phba->link_state = LPFC_LINK_DOWN;
350
351 /* Only process IOCBs on ring 0 till hba_state is READY */
352 if (psli->ring[psli->extra_ring].cmdringaddr)
353 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
354 if (psli->ring[psli->fcp_ring].cmdringaddr)
355 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
356 if (psli->ring[psli->next_ring].cmdringaddr)
357 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
358
359 /* Post receive buffers for desired rings */
360 if (phba->sli_rev != 3)
361 lpfc_post_rcv_buf(phba);
362
363 /* Enable appropriate host interrupts */
364 spin_lock_irq(&phba->hbalock);
365 status = readl(phba->HCregaddr);
366 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
367 if (psli->num_rings > 0)
368 status |= HC_R0INT_ENA;
369 if (psli->num_rings > 1)
370 status |= HC_R1INT_ENA;
371 if (psli->num_rings > 2)
372 status |= HC_R2INT_ENA;
373 if (psli->num_rings > 3)
374 status |= HC_R3INT_ENA;
375
376 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
377 (phba->cfg_poll & DISABLE_FCP_RING_INT))
378 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
379
380 writel(status, phba->HCregaddr);
381 readl(phba->HCregaddr); /* flush */
382 spin_unlock_irq(&phba->hbalock);
383
384 /*
385 * Setup the ring 0 (els) timeout handler
386 */
387 timeout = phba->fc_ratov << 1;
388 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
389 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
390 phba->hb_outstanding = 0;
391 phba->last_completion_time = jiffies;
392
393 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
394 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
395 pmb->vport = vport;
396 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
397 lpfc_set_loopback_flag(phba);
398 if (rc != MBX_SUCCESS) {
399 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
400 "0454 Adapter failed to init, mbxCmd x%x "
401 "INIT_LINK, mbxStatus x%x\n",
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->link_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 lpfc_cleanup_discovery_resources(phba->pport);
439 return 0;
440 }
441
442 /************************************************************************/
443 /* */
444 /* lpfc_hba_down_post */
445 /* This routine will do uninitialization after the HBA is reset */
446 /* when bringing down the SLI Layer. */
447 /* This routine returns 0 on success. Any other return value */
448 /* indicates an error. */
449 /* */
450 /************************************************************************/
451 int
452 lpfc_hba_down_post(struct lpfc_hba *phba)
453 {
454 struct lpfc_sli *psli = &phba->sli;
455 struct lpfc_sli_ring *pring;
456 struct lpfc_dmabuf *mp, *next_mp;
457 int i;
458
459 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
460 lpfc_sli_hbqbuf_free_all(phba);
461 else {
462 /* Cleanup preposted buffers on the ELS ring */
463 pring = &psli->ring[LPFC_ELS_RING];
464 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
465 list_del(&mp->list);
466 pring->postbufq_cnt--;
467 lpfc_mbuf_free(phba, mp->virt, mp->phys);
468 kfree(mp);
469 }
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 /* HBA heart beat timeout handler */
481 void
482 lpfc_hb_timeout(unsigned long ptr)
483 {
484 struct lpfc_hba *phba;
485 unsigned long iflag;
486
487 phba = (struct lpfc_hba *)ptr;
488 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
489 if (!(phba->pport->work_port_events & WORKER_HB_TMO))
490 phba->pport->work_port_events |= WORKER_HB_TMO;
491 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
492
493 if (phba->work_wait)
494 wake_up(phba->work_wait);
495 return;
496 }
497
498 static void
499 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
500 {
501 unsigned long drvr_flag;
502
503 spin_lock_irqsave(&phba->hbalock, drvr_flag);
504 phba->hb_outstanding = 0;
505 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
506
507 mempool_free(pmboxq, phba->mbox_mem_pool);
508 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
509 !(phba->link_state == LPFC_HBA_ERROR) &&
510 !(phba->pport->load_flag & FC_UNLOADING))
511 mod_timer(&phba->hb_tmofunc,
512 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
513 return;
514 }
515
516 void
517 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
518 {
519 LPFC_MBOXQ_t *pmboxq;
520 int retval;
521 struct lpfc_sli *psli = &phba->sli;
522
523 if ((phba->link_state == LPFC_HBA_ERROR) ||
524 (phba->pport->load_flag & FC_UNLOADING) ||
525 (phba->pport->fc_flag & FC_OFFLINE_MODE))
526 return;
527
528 spin_lock_irq(&phba->pport->work_port_lock);
529 /* If the timer is already canceled do nothing */
530 if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
531 spin_unlock_irq(&phba->pport->work_port_lock);
532 return;
533 }
534
535 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
536 jiffies)) {
537 spin_unlock_irq(&phba->pport->work_port_lock);
538 if (!phba->hb_outstanding)
539 mod_timer(&phba->hb_tmofunc,
540 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
541 else
542 mod_timer(&phba->hb_tmofunc,
543 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
544 return;
545 }
546 spin_unlock_irq(&phba->pport->work_port_lock);
547
548 /* If there is no heart beat outstanding, issue a heartbeat command */
549 if (!phba->hb_outstanding) {
550 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
551 if (!pmboxq) {
552 mod_timer(&phba->hb_tmofunc,
553 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
554 return;
555 }
556
557 lpfc_heart_beat(phba, pmboxq);
558 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
559 pmboxq->vport = phba->pport;
560 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
561
562 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
563 mempool_free(pmboxq, phba->mbox_mem_pool);
564 mod_timer(&phba->hb_tmofunc,
565 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
566 return;
567 }
568 mod_timer(&phba->hb_tmofunc,
569 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
570 phba->hb_outstanding = 1;
571 return;
572 } else {
573 /*
574 * If heart beat timeout called with hb_outstanding set we
575 * need to take the HBA offline.
576 */
577 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
578 "0459 Adapter heartbeat failure, taking "
579 "this port offline.\n");
580
581 spin_lock_irq(&phba->hbalock);
582 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
583 spin_unlock_irq(&phba->hbalock);
584
585 lpfc_offline_prep(phba);
586 lpfc_offline(phba);
587 lpfc_unblock_mgmt_io(phba);
588 phba->link_state = LPFC_HBA_ERROR;
589 lpfc_hba_down_post(phba);
590 }
591 }
592
593 /************************************************************************/
594 /* */
595 /* lpfc_handle_eratt */
596 /* This routine will handle processing a Host Attention */
597 /* Error Status event. This will be initialized */
598 /* as a SLI layer callback routine. */
599 /* */
600 /************************************************************************/
601 void
602 lpfc_handle_eratt(struct lpfc_hba *phba)
603 {
604 struct lpfc_vport *vport = phba->pport;
605 struct lpfc_sli *psli = &phba->sli;
606 struct lpfc_sli_ring *pring;
607 struct lpfc_vport **vports;
608 uint32_t event_data;
609 struct Scsi_Host *shost;
610 int i;
611
612 /* If the pci channel is offline, ignore possible errors,
613 * since we cannot communicate with the pci card anyway. */
614 if (pci_channel_offline(phba->pcidev))
615 return;
616
617 if (phba->work_hs & HS_FFER6 ||
618 phba->work_hs & HS_FFER5) {
619 /* Re-establishing Link */
620 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
621 "1301 Re-establishing Link "
622 "Data: x%x x%x x%x\n",
623 phba->work_hs,
624 phba->work_status[0], phba->work_status[1]);
625 vports = lpfc_create_vport_work_array(phba);
626 if (vports != NULL)
627 for(i = 0;
628 i < LPFC_MAX_VPORTS && vports[i] != NULL;
629 i++){
630 shost = lpfc_shost_from_vport(vports[i]);
631 spin_lock_irq(shost->host_lock);
632 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
633 spin_unlock_irq(shost->host_lock);
634 }
635 lpfc_destroy_vport_work_array(vports);
636 spin_lock_irq(&phba->hbalock);
637 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
638 spin_unlock_irq(&phba->hbalock);
639
640 /*
641 * Firmware stops when it triggled erratt with HS_FFER6.
642 * That could cause the I/Os dropped by the firmware.
643 * Error iocb (I/O) on txcmplq and let the SCSI layer
644 * retry it after re-establishing link.
645 */
646 pring = &psli->ring[psli->fcp_ring];
647 lpfc_sli_abort_iocb_ring(phba, pring);
648
649
650 /*
651 * There was a firmware error. Take the hba offline and then
652 * attempt to restart it.
653 */
654 lpfc_offline_prep(phba);
655 lpfc_offline(phba);
656 lpfc_sli_brdrestart(phba);
657 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
658 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
659 lpfc_unblock_mgmt_io(phba);
660 return;
661 }
662 lpfc_unblock_mgmt_io(phba);
663 } else {
664 /* The if clause above forces this code path when the status
665 * failure is a value other than FFER6. Do not call the offline
666 * twice. This is the adapter hardware error path.
667 */
668 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
669 "0457 Adapter Hardware Error "
670 "Data: x%x x%x x%x\n",
671 phba->work_hs,
672 phba->work_status[0], phba->work_status[1]);
673
674 event_data = FC_REG_DUMP_EVENT;
675 shost = lpfc_shost_from_vport(vport);
676 fc_host_post_vendor_event(shost, fc_get_event_number(),
677 sizeof(event_data), (char *) &event_data,
678 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
679
680 spin_lock_irq(&phba->hbalock);
681 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
682 spin_unlock_irq(&phba->hbalock);
683 lpfc_offline_prep(phba);
684 lpfc_offline(phba);
685 lpfc_unblock_mgmt_io(phba);
686 phba->link_state = LPFC_HBA_ERROR;
687 lpfc_hba_down_post(phba);
688 }
689 }
690
691 /************************************************************************/
692 /* */
693 /* lpfc_handle_latt */
694 /* This routine will handle processing a Host Attention */
695 /* Link Status event. This will be initialized */
696 /* as a SLI layer callback routine. */
697 /* */
698 /************************************************************************/
699 void
700 lpfc_handle_latt(struct lpfc_hba *phba)
701 {
702 struct lpfc_vport *vport = phba->pport;
703 struct lpfc_sli *psli = &phba->sli;
704 LPFC_MBOXQ_t *pmb;
705 volatile uint32_t control;
706 struct lpfc_dmabuf *mp;
707 int rc = -ENOMEM;
708
709 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
710 if (!pmb)
711 goto lpfc_handle_latt_err_exit;
712
713 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
714 if (!mp)
715 goto lpfc_handle_latt_free_pmb;
716
717 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
718 if (!mp->virt)
719 goto lpfc_handle_latt_free_mp;
720
721 rc = -EIO;
722
723 /* Cleanup any outstanding ELS commands */
724 lpfc_els_flush_all_cmd(phba);
725
726 psli->slistat.link_event++;
727 lpfc_read_la(phba, pmb, mp);
728 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
729 pmb->vport = vport;
730 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
731 if (rc == MBX_NOT_FINISHED)
732 goto lpfc_handle_latt_free_mbuf;
733
734 /* Clear Link Attention in HA REG */
735 spin_lock_irq(&phba->hbalock);
736 writel(HA_LATT, phba->HAregaddr);
737 readl(phba->HAregaddr); /* flush */
738 spin_unlock_irq(&phba->hbalock);
739
740 return;
741
742 lpfc_handle_latt_free_mbuf:
743 lpfc_mbuf_free(phba, mp->virt, mp->phys);
744 lpfc_handle_latt_free_mp:
745 kfree(mp);
746 lpfc_handle_latt_free_pmb:
747 mempool_free(pmb, phba->mbox_mem_pool);
748 lpfc_handle_latt_err_exit:
749 /* Enable Link attention interrupts */
750 spin_lock_irq(&phba->hbalock);
751 psli->sli_flag |= LPFC_PROCESS_LA;
752 control = readl(phba->HCregaddr);
753 control |= HC_LAINT_ENA;
754 writel(control, phba->HCregaddr);
755 readl(phba->HCregaddr); /* flush */
756
757 /* Clear Link Attention in HA REG */
758 writel(HA_LATT, phba->HAregaddr);
759 readl(phba->HAregaddr); /* flush */
760 spin_unlock_irq(&phba->hbalock);
761 lpfc_linkdown(phba);
762 phba->link_state = LPFC_HBA_ERROR;
763
764 /* The other case is an error from issue_mbox */
765 if (rc == -ENOMEM)
766 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
767 "0300 READ_LA: no buffers\n");
768
769 return;
770 }
771
772 /************************************************************************/
773 /* */
774 /* lpfc_parse_vpd */
775 /* This routine will parse the VPD data */
776 /* */
777 /************************************************************************/
778 static int
779 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
780 {
781 uint8_t lenlo, lenhi;
782 int Length;
783 int i, j;
784 int finished = 0;
785 int index = 0;
786
787 if (!vpd)
788 return 0;
789
790 /* Vital Product */
791 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
792 "0455 Vital Product Data: x%x x%x x%x x%x\n",
793 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
794 (uint32_t) vpd[3]);
795 while (!finished && (index < (len - 4))) {
796 switch (vpd[index]) {
797 case 0x82:
798 case 0x91:
799 index += 1;
800 lenlo = vpd[index];
801 index += 1;
802 lenhi = vpd[index];
803 index += 1;
804 i = ((((unsigned short)lenhi) << 8) + lenlo);
805 index += i;
806 break;
807 case 0x90:
808 index += 1;
809 lenlo = vpd[index];
810 index += 1;
811 lenhi = vpd[index];
812 index += 1;
813 Length = ((((unsigned short)lenhi) << 8) + lenlo);
814 if (Length > len - index)
815 Length = len - index;
816 while (Length > 0) {
817 /* Look for Serial Number */
818 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
819 index += 2;
820 i = vpd[index];
821 index += 1;
822 j = 0;
823 Length -= (3+i);
824 while(i--) {
825 phba->SerialNumber[j++] = vpd[index++];
826 if (j == 31)
827 break;
828 }
829 phba->SerialNumber[j] = 0;
830 continue;
831 }
832 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
833 phba->vpd_flag |= VPD_MODEL_DESC;
834 index += 2;
835 i = vpd[index];
836 index += 1;
837 j = 0;
838 Length -= (3+i);
839 while(i--) {
840 phba->ModelDesc[j++] = vpd[index++];
841 if (j == 255)
842 break;
843 }
844 phba->ModelDesc[j] = 0;
845 continue;
846 }
847 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
848 phba->vpd_flag |= VPD_MODEL_NAME;
849 index += 2;
850 i = vpd[index];
851 index += 1;
852 j = 0;
853 Length -= (3+i);
854 while(i--) {
855 phba->ModelName[j++] = vpd[index++];
856 if (j == 79)
857 break;
858 }
859 phba->ModelName[j] = 0;
860 continue;
861 }
862 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
863 phba->vpd_flag |= VPD_PROGRAM_TYPE;
864 index += 2;
865 i = vpd[index];
866 index += 1;
867 j = 0;
868 Length -= (3+i);
869 while(i--) {
870 phba->ProgramType[j++] = vpd[index++];
871 if (j == 255)
872 break;
873 }
874 phba->ProgramType[j] = 0;
875 continue;
876 }
877 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
878 phba->vpd_flag |= VPD_PORT;
879 index += 2;
880 i = vpd[index];
881 index += 1;
882 j = 0;
883 Length -= (3+i);
884 while(i--) {
885 phba->Port[j++] = vpd[index++];
886 if (j == 19)
887 break;
888 }
889 phba->Port[j] = 0;
890 continue;
891 }
892 else {
893 index += 2;
894 i = vpd[index];
895 index += 1;
896 index += i;
897 Length -= (3 + i);
898 }
899 }
900 finished = 0;
901 break;
902 case 0x78:
903 finished = 1;
904 break;
905 default:
906 index ++;
907 break;
908 }
909 }
910
911 return(1);
912 }
913
914 static void
915 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
916 {
917 lpfc_vpd_t *vp;
918 uint16_t dev_id = phba->pcidev->device;
919 int max_speed;
920 struct {
921 char * name;
922 int max_speed;
923 char * bus;
924 } m = {"<Unknown>", 0, ""};
925
926 if (mdp && mdp[0] != '\0'
927 && descp && descp[0] != '\0')
928 return;
929
930 if (phba->lmt & LMT_10Gb)
931 max_speed = 10;
932 else if (phba->lmt & LMT_8Gb)
933 max_speed = 8;
934 else if (phba->lmt & LMT_4Gb)
935 max_speed = 4;
936 else if (phba->lmt & LMT_2Gb)
937 max_speed = 2;
938 else
939 max_speed = 1;
940
941 vp = &phba->vpd;
942
943 switch (dev_id) {
944 case PCI_DEVICE_ID_FIREFLY:
945 m = (typeof(m)){"LP6000", max_speed, "PCI"};
946 break;
947 case PCI_DEVICE_ID_SUPERFLY:
948 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
949 m = (typeof(m)){"LP7000", max_speed, "PCI"};
950 else
951 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
952 break;
953 case PCI_DEVICE_ID_DRAGONFLY:
954 m = (typeof(m)){"LP8000", max_speed, "PCI"};
955 break;
956 case PCI_DEVICE_ID_CENTAUR:
957 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
958 m = (typeof(m)){"LP9002", max_speed, "PCI"};
959 else
960 m = (typeof(m)){"LP9000", max_speed, "PCI"};
961 break;
962 case PCI_DEVICE_ID_RFLY:
963 m = (typeof(m)){"LP952", max_speed, "PCI"};
964 break;
965 case PCI_DEVICE_ID_PEGASUS:
966 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
967 break;
968 case PCI_DEVICE_ID_THOR:
969 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
970 break;
971 case PCI_DEVICE_ID_VIPER:
972 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
973 break;
974 case PCI_DEVICE_ID_PFLY:
975 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
976 break;
977 case PCI_DEVICE_ID_TFLY:
978 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
979 break;
980 case PCI_DEVICE_ID_HELIOS:
981 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
982 break;
983 case PCI_DEVICE_ID_HELIOS_SCSP:
984 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
985 break;
986 case PCI_DEVICE_ID_HELIOS_DCSP:
987 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
988 break;
989 case PCI_DEVICE_ID_NEPTUNE:
990 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
991 break;
992 case PCI_DEVICE_ID_NEPTUNE_SCSP:
993 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
994 break;
995 case PCI_DEVICE_ID_NEPTUNE_DCSP:
996 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
997 break;
998 case PCI_DEVICE_ID_BMID:
999 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1000 break;
1001 case PCI_DEVICE_ID_BSMB:
1002 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1003 break;
1004 case PCI_DEVICE_ID_ZEPHYR:
1005 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1006 break;
1007 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1008 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1009 break;
1010 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1011 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1012 break;
1013 case PCI_DEVICE_ID_ZMID:
1014 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1015 break;
1016 case PCI_DEVICE_ID_ZSMB:
1017 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1018 break;
1019 case PCI_DEVICE_ID_LP101:
1020 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1021 break;
1022 case PCI_DEVICE_ID_LP10000S:
1023 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1024 break;
1025 case PCI_DEVICE_ID_LP11000S:
1026 m = (typeof(m)){"LP11000-S", max_speed,
1027 "PCI-X2"};
1028 break;
1029 case PCI_DEVICE_ID_LPE11000S:
1030 m = (typeof(m)){"LPe11000-S", max_speed,
1031 "PCIe"};
1032 break;
1033 case PCI_DEVICE_ID_SAT:
1034 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1035 break;
1036 case PCI_DEVICE_ID_SAT_MID:
1037 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1038 break;
1039 case PCI_DEVICE_ID_SAT_SMB:
1040 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1041 break;
1042 case PCI_DEVICE_ID_SAT_DCSP:
1043 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1044 break;
1045 case PCI_DEVICE_ID_SAT_SCSP:
1046 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1047 break;
1048 case PCI_DEVICE_ID_SAT_S:
1049 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1050 break;
1051 default:
1052 m = (typeof(m)){ NULL };
1053 break;
1054 }
1055
1056 if (mdp && mdp[0] == '\0')
1057 snprintf(mdp, 79,"%s", m.name);
1058 if (descp && descp[0] == '\0')
1059 snprintf(descp, 255,
1060 "Emulex %s %dGb %s Fibre Channel Adapter",
1061 m.name, m.max_speed, m.bus);
1062 }
1063
1064 /**************************************************/
1065 /* lpfc_post_buffer */
1066 /* */
1067 /* This routine will post count buffers to the */
1068 /* ring with the QUE_RING_BUF_CN command. This */
1069 /* allows 3 buffers / command to be posted. */
1070 /* Returns the number of buffers NOT posted. */
1071 /**************************************************/
1072 int
1073 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1074 int type)
1075 {
1076 IOCB_t *icmd;
1077 struct lpfc_iocbq *iocb;
1078 struct lpfc_dmabuf *mp1, *mp2;
1079
1080 cnt += pring->missbufcnt;
1081
1082 /* While there are buffers to post */
1083 while (cnt > 0) {
1084 /* Allocate buffer for command iocb */
1085 iocb = lpfc_sli_get_iocbq(phba);
1086 if (iocb == NULL) {
1087 pring->missbufcnt = cnt;
1088 return cnt;
1089 }
1090 icmd = &iocb->iocb;
1091
1092 /* 2 buffers can be posted per command */
1093 /* Allocate buffer to post */
1094 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1095 if (mp1)
1096 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1097 &mp1->phys);
1098 if (mp1 == 0 || mp1->virt == 0) {
1099 kfree(mp1);
1100 lpfc_sli_release_iocbq(phba, iocb);
1101 pring->missbufcnt = cnt;
1102 return cnt;
1103 }
1104
1105 INIT_LIST_HEAD(&mp1->list);
1106 /* Allocate buffer to post */
1107 if (cnt > 1) {
1108 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1109 if (mp2)
1110 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1111 &mp2->phys);
1112 if (mp2 == 0 || mp2->virt == 0) {
1113 kfree(mp2);
1114 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1115 kfree(mp1);
1116 lpfc_sli_release_iocbq(phba, iocb);
1117 pring->missbufcnt = cnt;
1118 return cnt;
1119 }
1120
1121 INIT_LIST_HEAD(&mp2->list);
1122 } else {
1123 mp2 = NULL;
1124 }
1125
1126 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1127 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1128 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1129 icmd->ulpBdeCount = 1;
1130 cnt--;
1131 if (mp2) {
1132 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1133 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1134 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1135 cnt--;
1136 icmd->ulpBdeCount = 2;
1137 }
1138
1139 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1140 icmd->ulpLe = 1;
1141
1142 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1143 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1144 kfree(mp1);
1145 cnt++;
1146 if (mp2) {
1147 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1148 kfree(mp2);
1149 cnt++;
1150 }
1151 lpfc_sli_release_iocbq(phba, iocb);
1152 pring->missbufcnt = cnt;
1153 return cnt;
1154 }
1155 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1156 if (mp2)
1157 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1158 }
1159 pring->missbufcnt = 0;
1160 return 0;
1161 }
1162
1163 /************************************************************************/
1164 /* */
1165 /* lpfc_post_rcv_buf */
1166 /* This routine post initial rcv buffers to the configured rings */
1167 /* */
1168 /************************************************************************/
1169 static int
1170 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1171 {
1172 struct lpfc_sli *psli = &phba->sli;
1173
1174 /* Ring 0, ELS / CT buffers */
1175 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1176 /* Ring 2 - FCP no buffers needed */
1177
1178 return 0;
1179 }
1180
1181 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1182
1183 /************************************************************************/
1184 /* */
1185 /* lpfc_sha_init */
1186 /* */
1187 /************************************************************************/
1188 static void
1189 lpfc_sha_init(uint32_t * HashResultPointer)
1190 {
1191 HashResultPointer[0] = 0x67452301;
1192 HashResultPointer[1] = 0xEFCDAB89;
1193 HashResultPointer[2] = 0x98BADCFE;
1194 HashResultPointer[3] = 0x10325476;
1195 HashResultPointer[4] = 0xC3D2E1F0;
1196 }
1197
1198 /************************************************************************/
1199 /* */
1200 /* lpfc_sha_iterate */
1201 /* */
1202 /************************************************************************/
1203 static void
1204 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1205 {
1206 int t;
1207 uint32_t TEMP;
1208 uint32_t A, B, C, D, E;
1209 t = 16;
1210 do {
1211 HashWorkingPointer[t] =
1212 S(1,
1213 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1214 8] ^
1215 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1216 } while (++t <= 79);
1217 t = 0;
1218 A = HashResultPointer[0];
1219 B = HashResultPointer[1];
1220 C = HashResultPointer[2];
1221 D = HashResultPointer[3];
1222 E = HashResultPointer[4];
1223
1224 do {
1225 if (t < 20) {
1226 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1227 } else if (t < 40) {
1228 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1229 } else if (t < 60) {
1230 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1231 } else {
1232 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1233 }
1234 TEMP += S(5, A) + E + HashWorkingPointer[t];
1235 E = D;
1236 D = C;
1237 C = S(30, B);
1238 B = A;
1239 A = TEMP;
1240 } while (++t <= 79);
1241
1242 HashResultPointer[0] += A;
1243 HashResultPointer[1] += B;
1244 HashResultPointer[2] += C;
1245 HashResultPointer[3] += D;
1246 HashResultPointer[4] += E;
1247
1248 }
1249
1250 /************************************************************************/
1251 /* */
1252 /* lpfc_challenge_key */
1253 /* */
1254 /************************************************************************/
1255 static void
1256 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1257 {
1258 *HashWorking = (*RandomChallenge ^ *HashWorking);
1259 }
1260
1261 /************************************************************************/
1262 /* */
1263 /* lpfc_hba_init */
1264 /* */
1265 /************************************************************************/
1266 void
1267 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1268 {
1269 int t;
1270 uint32_t *HashWorking;
1271 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1272
1273 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1274 if (!HashWorking)
1275 return;
1276
1277 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1278 HashWorking[0] = HashWorking[78] = *pwwnn++;
1279 HashWorking[1] = HashWorking[79] = *pwwnn;
1280
1281 for (t = 0; t < 7; t++)
1282 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1283
1284 lpfc_sha_init(hbainit);
1285 lpfc_sha_iterate(hbainit, HashWorking);
1286 kfree(HashWorking);
1287 }
1288
1289 static void
1290 lpfc_cleanup(struct lpfc_vport *vport)
1291 {
1292 struct lpfc_nodelist *ndlp, *next_ndlp;
1293
1294 /* clean up phba - lpfc specific */
1295 lpfc_can_disctmo(vport);
1296 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1297 lpfc_nlp_put(ndlp);
1298 return;
1299 }
1300
1301 static void
1302 lpfc_establish_link_tmo(unsigned long ptr)
1303 {
1304 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
1305 struct lpfc_vport **vports;
1306 unsigned long iflag;
1307 int i;
1308
1309 /* Re-establishing Link, timer expired */
1310 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1311 "1300 Re-establishing Link, timer expired "
1312 "Data: x%x x%x\n",
1313 phba->pport->fc_flag, phba->pport->port_state);
1314 vports = lpfc_create_vport_work_array(phba);
1315 if (vports != NULL)
1316 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1317 struct Scsi_Host *shost;
1318 shost = lpfc_shost_from_vport(vports[i]);
1319 spin_lock_irqsave(shost->host_lock, iflag);
1320 vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1321 spin_unlock_irqrestore(shost->host_lock, iflag);
1322 }
1323 lpfc_destroy_vport_work_array(vports);
1324 }
1325
1326 void
1327 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1328 {
1329 del_timer_sync(&vport->els_tmofunc);
1330 del_timer_sync(&vport->fc_fdmitmo);
1331 lpfc_can_disctmo(vport);
1332 return;
1333 }
1334
1335 static void
1336 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1337 {
1338 del_timer_sync(&phba->fcp_poll_timer);
1339 del_timer_sync(&phba->fc_estabtmo);
1340 lpfc_stop_vport_timers(phba->pport);
1341 del_timer_sync(&phba->sli.mbox_tmo);
1342 del_timer_sync(&phba->fabric_block_timer);
1343 phba->hb_outstanding = 0;
1344 del_timer_sync(&phba->hb_tmofunc);
1345 return;
1346 }
1347
1348 int
1349 lpfc_online(struct lpfc_hba *phba)
1350 {
1351 struct lpfc_vport *vport = phba->pport;
1352 struct lpfc_vport **vports;
1353 int i;
1354
1355 if (!phba)
1356 return 0;
1357
1358 if (!(vport->fc_flag & FC_OFFLINE_MODE))
1359 return 0;
1360
1361 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1362 "0458 Bring Adapter online\n");
1363
1364 lpfc_block_mgmt_io(phba);
1365
1366 if (!lpfc_sli_queue_setup(phba)) {
1367 lpfc_unblock_mgmt_io(phba);
1368 return 1;
1369 }
1370
1371 if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1372 lpfc_unblock_mgmt_io(phba);
1373 return 1;
1374 }
1375
1376 vports = lpfc_create_vport_work_array(phba);
1377 if (vports != NULL)
1378 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1379 struct Scsi_Host *shost;
1380 shost = lpfc_shost_from_vport(vports[i]);
1381 spin_lock_irq(shost->host_lock);
1382 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1383 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1384 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1385 spin_unlock_irq(shost->host_lock);
1386 }
1387 lpfc_destroy_vport_work_array(vports);
1388
1389 lpfc_unblock_mgmt_io(phba);
1390 return 0;
1391 }
1392
1393 void
1394 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1395 {
1396 unsigned long iflag;
1397
1398 spin_lock_irqsave(&phba->hbalock, iflag);
1399 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1400 spin_unlock_irqrestore(&phba->hbalock, iflag);
1401 }
1402
1403 void
1404 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1405 {
1406 unsigned long iflag;
1407
1408 spin_lock_irqsave(&phba->hbalock, iflag);
1409 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1410 spin_unlock_irqrestore(&phba->hbalock, iflag);
1411 }
1412
1413 void
1414 lpfc_offline_prep(struct lpfc_hba * phba)
1415 {
1416 struct lpfc_vport *vport = phba->pport;
1417 struct lpfc_nodelist *ndlp, *next_ndlp;
1418
1419 if (vport->fc_flag & FC_OFFLINE_MODE)
1420 return;
1421
1422 lpfc_block_mgmt_io(phba);
1423
1424 lpfc_linkdown(phba);
1425
1426 /* Issue an unreg_login to all nodes */
1427 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1428 if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
1429 lpfc_unreg_rpi(vport, ndlp);
1430
1431 lpfc_sli_flush_mbox_queue(phba);
1432 }
1433
1434 void
1435 lpfc_offline(struct lpfc_hba *phba)
1436 {
1437 struct Scsi_Host *shost;
1438 struct lpfc_vport **vports;
1439 int i;
1440
1441 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1442 return;
1443
1444 /* stop all timers associated with this hba */
1445 lpfc_stop_phba_timers(phba);
1446 vports = lpfc_create_vport_work_array(phba);
1447 if (vports != NULL)
1448 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1449 lpfc_stop_vport_timers(vports[i]);
1450 lpfc_destroy_vport_work_array(vports);
1451 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1452 "0460 Bring Adapter offline\n");
1453 /* Bring down the SLI Layer and cleanup. The HBA is offline
1454 now. */
1455 lpfc_sli_hba_down(phba);
1456 spin_lock_irq(&phba->hbalock);
1457 phba->work_ha = 0;
1458 spin_unlock_irq(&phba->hbalock);
1459 vports = lpfc_create_vport_work_array(phba);
1460 if (vports != NULL)
1461 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1462 shost = lpfc_shost_from_vport(vports[i]);
1463 lpfc_cleanup(vports[i]);
1464 spin_lock_irq(shost->host_lock);
1465 vports[i]->work_port_events = 0;
1466 vports[i]->fc_flag |= FC_OFFLINE_MODE;
1467 spin_unlock_irq(shost->host_lock);
1468 }
1469 lpfc_destroy_vport_work_array(vports);
1470 }
1471
1472 /******************************************************************************
1473 * Function name: lpfc_scsi_free
1474 *
1475 * Description: Called from lpfc_pci_remove_one free internal driver resources
1476 *
1477 ******************************************************************************/
1478 static int
1479 lpfc_scsi_free(struct lpfc_hba *phba)
1480 {
1481 struct lpfc_scsi_buf *sb, *sb_next;
1482 struct lpfc_iocbq *io, *io_next;
1483
1484 spin_lock_irq(&phba->hbalock);
1485 /* Release all the lpfc_scsi_bufs maintained by this host. */
1486 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1487 list_del(&sb->list);
1488 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1489 sb->dma_handle);
1490 kfree(sb);
1491 phba->total_scsi_bufs--;
1492 }
1493
1494 /* Release all the lpfc_iocbq entries maintained by this host. */
1495 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1496 list_del(&io->list);
1497 kfree(io);
1498 phba->total_iocbq_bufs--;
1499 }
1500
1501 spin_unlock_irq(&phba->hbalock);
1502
1503 return 0;
1504 }
1505
1506 struct lpfc_vport *
1507 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1508 {
1509 struct lpfc_vport *vport;
1510 struct Scsi_Host *shost;
1511 int error = 0;
1512
1513 if (dev != &phba->pcidev->dev)
1514 shost = scsi_host_alloc(&lpfc_vport_template,
1515 sizeof(struct lpfc_vport));
1516 else
1517 shost = scsi_host_alloc(&lpfc_template,
1518 sizeof(struct lpfc_vport));
1519 if (!shost)
1520 goto out;
1521
1522 vport = (struct lpfc_vport *) shost->hostdata;
1523 vport->phba = phba;
1524
1525 vport->load_flag |= FC_LOADING;
1526 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1527
1528 lpfc_get_vport_cfgparam(vport);
1529 shost->unique_id = instance;
1530 shost->max_id = LPFC_MAX_TARGET;
1531 shost->max_lun = vport->cfg_max_luns;
1532 shost->this_id = -1;
1533 shost->max_cmd_len = 16;
1534 /*
1535 * Set initial can_queue value since 0 is no longer supported and
1536 * scsi_add_host will fail. This will be adjusted later based on the
1537 * max xri value determined in hba setup.
1538 */
1539 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1540 if (dev != &phba->pcidev->dev) {
1541 shost->transportt = lpfc_vport_transport_template;
1542 vport->port_type = LPFC_NPIV_PORT;
1543 } else {
1544 shost->transportt = lpfc_transport_template;
1545 vport->port_type = LPFC_PHYSICAL_PORT;
1546 }
1547
1548 /* Initialize all internally managed lists. */
1549 INIT_LIST_HEAD(&vport->fc_nodes);
1550 spin_lock_init(&vport->work_port_lock);
1551
1552 init_timer(&vport->fc_disctmo);
1553 vport->fc_disctmo.function = lpfc_disc_timeout;
1554 vport->fc_disctmo.data = (unsigned long)vport;
1555
1556 init_timer(&vport->fc_fdmitmo);
1557 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1558 vport->fc_fdmitmo.data = (unsigned long)vport;
1559
1560 init_timer(&vport->els_tmofunc);
1561 vport->els_tmofunc.function = lpfc_els_timeout;
1562 vport->els_tmofunc.data = (unsigned long)vport;
1563
1564 error = scsi_add_host(shost, dev);
1565 if (error)
1566 goto out_put_shost;
1567
1568 spin_lock_irq(&phba->hbalock);
1569 list_add_tail(&vport->listentry, &phba->port_list);
1570 spin_unlock_irq(&phba->hbalock);
1571 return vport;
1572
1573 out_put_shost:
1574 scsi_host_put(shost);
1575 out:
1576 return NULL;
1577 }
1578
1579 void
1580 destroy_port(struct lpfc_vport *vport)
1581 {
1582 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1583 struct lpfc_hba *phba = vport->phba;
1584
1585 kfree(vport->vname);
1586
1587 lpfc_debugfs_terminate(vport);
1588 fc_remove_host(shost);
1589 scsi_remove_host(shost);
1590
1591 spin_lock_irq(&phba->hbalock);
1592 list_del_init(&vport->listentry);
1593 spin_unlock_irq(&phba->hbalock);
1594
1595 lpfc_cleanup(vport);
1596 return;
1597 }
1598
1599 int
1600 lpfc_get_instance(void)
1601 {
1602 int instance = 0;
1603
1604 /* Assign an unused number */
1605 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1606 return -1;
1607 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1608 return -1;
1609 return instance;
1610 }
1611
1612 /*
1613 * Note: there is no scan_start function as adapter initialization
1614 * will have asynchronously kicked off the link initialization.
1615 */
1616
1617 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1618 {
1619 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1620 struct lpfc_hba *phba = vport->phba;
1621 int stat = 0;
1622
1623 spin_lock_irq(shost->host_lock);
1624
1625 if (vport->load_flag & FC_UNLOADING) {
1626 stat = 1;
1627 goto finished;
1628 }
1629 if (time >= 30 * HZ) {
1630 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1631 "0461 Scanning longer than 30 "
1632 "seconds. Continuing initialization\n");
1633 stat = 1;
1634 goto finished;
1635 }
1636 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1637 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1638 "0465 Link down longer than 15 "
1639 "seconds. Continuing initialization\n");
1640 stat = 1;
1641 goto finished;
1642 }
1643
1644 if (vport->port_state != LPFC_VPORT_READY)
1645 goto finished;
1646 if (vport->num_disc_nodes || vport->fc_prli_sent)
1647 goto finished;
1648 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1649 goto finished;
1650 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1651 goto finished;
1652
1653 stat = 1;
1654
1655 finished:
1656 spin_unlock_irq(shost->host_lock);
1657 return stat;
1658 }
1659
1660 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1661 {
1662 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1663 struct lpfc_hba *phba = vport->phba;
1664 /*
1665 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1666 */
1667
1668 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1669 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1670 fc_host_supported_classes(shost) = FC_COS_CLASS3;
1671
1672 memset(fc_host_supported_fc4s(shost), 0,
1673 sizeof(fc_host_supported_fc4s(shost)));
1674 fc_host_supported_fc4s(shost)[2] = 1;
1675 fc_host_supported_fc4s(shost)[7] = 1;
1676
1677 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1678 sizeof fc_host_symbolic_name(shost));
1679
1680 fc_host_supported_speeds(shost) = 0;
1681 if (phba->lmt & LMT_10Gb)
1682 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1683 if (phba->lmt & LMT_4Gb)
1684 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1685 if (phba->lmt & LMT_2Gb)
1686 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1687 if (phba->lmt & LMT_1Gb)
1688 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1689
1690 fc_host_maxframe_size(shost) =
1691 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1692 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1693
1694 /* This value is also unchanging */
1695 memset(fc_host_active_fc4s(shost), 0,
1696 sizeof(fc_host_active_fc4s(shost)));
1697 fc_host_active_fc4s(shost)[2] = 1;
1698 fc_host_active_fc4s(shost)[7] = 1;
1699
1700 fc_host_max_npiv_vports(shost) = phba->max_vpi;
1701 spin_lock_irq(shost->host_lock);
1702 vport->load_flag &= ~FC_LOADING;
1703 spin_unlock_irq(shost->host_lock);
1704 }
1705
1706 static int __devinit
1707 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1708 {
1709 struct lpfc_vport *vport = NULL;
1710 struct lpfc_hba *phba;
1711 struct lpfc_sli *psli;
1712 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1713 struct Scsi_Host *shost = NULL;
1714 void *ptr;
1715 unsigned long bar0map_len, bar2map_len;
1716 int error = -ENODEV;
1717 int i, hbq_count;
1718 uint16_t iotag;
1719
1720 if (pci_enable_device(pdev))
1721 goto out;
1722 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1723 goto out_disable_device;
1724
1725 phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1726 if (!phba)
1727 goto out_release_regions;
1728
1729 spin_lock_init(&phba->hbalock);
1730
1731 phba->pcidev = pdev;
1732
1733 /* Assign an unused board number */
1734 if ((phba->brd_no = lpfc_get_instance()) < 0)
1735 goto out_free_phba;
1736
1737 INIT_LIST_HEAD(&phba->port_list);
1738 /*
1739 * Get all the module params for configuring this host and then
1740 * establish the host.
1741 */
1742 lpfc_get_cfgparam(phba);
1743 phba->max_vpi = LPFC_MAX_VPI;
1744
1745 /* Initialize timers used by driver */
1746 init_timer(&phba->fc_estabtmo);
1747 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1748 phba->fc_estabtmo.data = (unsigned long)phba;
1749
1750 init_timer(&phba->hb_tmofunc);
1751 phba->hb_tmofunc.function = lpfc_hb_timeout;
1752 phba->hb_tmofunc.data = (unsigned long)phba;
1753
1754 psli = &phba->sli;
1755 init_timer(&psli->mbox_tmo);
1756 psli->mbox_tmo.function = lpfc_mbox_timeout;
1757 psli->mbox_tmo.data = (unsigned long) phba;
1758 init_timer(&phba->fcp_poll_timer);
1759 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1760 phba->fcp_poll_timer.data = (unsigned long) phba;
1761 init_timer(&phba->fabric_block_timer);
1762 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1763 phba->fabric_block_timer.data = (unsigned long) phba;
1764
1765 pci_set_master(pdev);
1766 pci_try_set_mwi(pdev);
1767
1768 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1769 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1770 goto out_idr_remove;
1771
1772 /*
1773 * Get the bus address of Bar0 and Bar2 and the number of bytes
1774 * required by each mapping.
1775 */
1776 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1777 bar0map_len = pci_resource_len(phba->pcidev, 0);
1778
1779 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1780 bar2map_len = pci_resource_len(phba->pcidev, 2);
1781
1782 /* Map HBA SLIM to a kernel virtual address. */
1783 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1784 if (!phba->slim_memmap_p) {
1785 error = -ENODEV;
1786 dev_printk(KERN_ERR, &pdev->dev,
1787 "ioremap failed for SLIM memory.\n");
1788 goto out_idr_remove;
1789 }
1790
1791 /* Map HBA Control Registers to a kernel virtual address. */
1792 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1793 if (!phba->ctrl_regs_memmap_p) {
1794 error = -ENODEV;
1795 dev_printk(KERN_ERR, &pdev->dev,
1796 "ioremap failed for HBA control registers.\n");
1797 goto out_iounmap_slim;
1798 }
1799
1800 /* Allocate memory for SLI-2 structures */
1801 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1802 &phba->slim2p_mapping, GFP_KERNEL);
1803 if (!phba->slim2p)
1804 goto out_iounmap;
1805
1806 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1807
1808 phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1809 lpfc_sli_hbq_size(),
1810 &phba->hbqslimp.phys,
1811 GFP_KERNEL);
1812 if (!phba->hbqslimp.virt)
1813 goto out_free_slim;
1814
1815 hbq_count = lpfc_sli_hbq_count();
1816 ptr = phba->hbqslimp.virt;
1817 for (i = 0; i < hbq_count; ++i) {
1818 phba->hbqs[i].hbq_virt = ptr;
1819 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1820 ptr += (lpfc_hbq_defs[i]->entry_count *
1821 sizeof(struct lpfc_hbq_entry));
1822 }
1823 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1824 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
1825
1826 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1827
1828 /* Initialize the SLI Layer to run with lpfc HBAs. */
1829 lpfc_sli_setup(phba);
1830 lpfc_sli_queue_setup(phba);
1831
1832 error = lpfc_mem_alloc(phba);
1833 if (error)
1834 goto out_free_hbqslimp;
1835
1836 /* Initialize and populate the iocb list per host. */
1837 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1838 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1839 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1840 if (iocbq_entry == NULL) {
1841 printk(KERN_ERR "%s: only allocated %d iocbs of "
1842 "expected %d count. Unloading driver.\n",
1843 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1844 error = -ENOMEM;
1845 goto out_free_iocbq;
1846 }
1847
1848 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1849 if (iotag == 0) {
1850 kfree (iocbq_entry);
1851 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1852 "Unloading driver.\n",
1853 __FUNCTION__);
1854 error = -ENOMEM;
1855 goto out_free_iocbq;
1856 }
1857
1858 spin_lock_irq(&phba->hbalock);
1859 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1860 phba->total_iocbq_bufs++;
1861 spin_unlock_irq(&phba->hbalock);
1862 }
1863
1864 /* Initialize HBA structure */
1865 phba->fc_edtov = FF_DEF_EDTOV;
1866 phba->fc_ratov = FF_DEF_RATOV;
1867 phba->fc_altov = FF_DEF_ALTOV;
1868 phba->fc_arbtov = FF_DEF_ARBTOV;
1869
1870 INIT_LIST_HEAD(&phba->work_list);
1871 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1872 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1873
1874 /* Startup the kernel thread for this host adapter. */
1875 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1876 "lpfc_worker_%d", phba->brd_no);
1877 if (IS_ERR(phba->worker_thread)) {
1878 error = PTR_ERR(phba->worker_thread);
1879 goto out_free_iocbq;
1880 }
1881
1882 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1883 spin_lock_init(&phba->scsi_buf_list_lock);
1884 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1885
1886 /* Initialize list of fabric iocbs */
1887 INIT_LIST_HEAD(&phba->fabric_iocb_list);
1888
1889 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
1890 if (!vport)
1891 goto out_kthread_stop;
1892
1893 shost = lpfc_shost_from_vport(vport);
1894 phba->pport = vport;
1895 lpfc_debugfs_initialize(vport);
1896
1897 pci_set_drvdata(pdev, shost);
1898
1899 if (phba->cfg_use_msi) {
1900 error = pci_enable_msi(phba->pcidev);
1901 if (!error)
1902 phba->using_msi = 1;
1903 else
1904 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1905 "0452 Enable MSI failed, continuing "
1906 "with IRQ\n");
1907 }
1908
1909 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1910 LPFC_DRIVER_NAME, phba);
1911 if (error) {
1912 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1913 "0451 Enable interrupt handler failed\n");
1914 goto out_disable_msi;
1915 }
1916
1917 phba->MBslimaddr = phba->slim_memmap_p;
1918 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1919 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1920 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1921 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1922
1923 if (lpfc_alloc_sysfs_attr(vport))
1924 goto out_free_irq;
1925
1926 if (lpfc_sli_hba_setup(phba))
1927 goto out_remove_device;
1928
1929 /*
1930 * hba setup may have changed the hba_queue_depth so we need to adjust
1931 * the value of can_queue.
1932 */
1933 shost->can_queue = phba->cfg_hba_queue_depth - 10;
1934
1935 lpfc_host_attrib_init(shost);
1936
1937 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1938 spin_lock_irq(shost->host_lock);
1939 lpfc_poll_start_timer(phba);
1940 spin_unlock_irq(shost->host_lock);
1941 }
1942
1943 scsi_scan_host(shost);
1944
1945 return 0;
1946
1947 out_remove_device:
1948 lpfc_free_sysfs_attr(vport);
1949 spin_lock_irq(shost->host_lock);
1950 vport->load_flag |= FC_UNLOADING;
1951 spin_unlock_irq(shost->host_lock);
1952 out_free_irq:
1953 lpfc_stop_phba_timers(phba);
1954 phba->pport->work_port_events = 0;
1955 free_irq(phba->pcidev->irq, phba);
1956 out_disable_msi:
1957 if (phba->using_msi)
1958 pci_disable_msi(phba->pcidev);
1959 destroy_port(vport);
1960 out_kthread_stop:
1961 kthread_stop(phba->worker_thread);
1962 out_free_iocbq:
1963 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1964 &phba->lpfc_iocb_list, list) {
1965 kfree(iocbq_entry);
1966 phba->total_iocbq_bufs--;
1967 }
1968 lpfc_mem_free(phba);
1969 out_free_hbqslimp:
1970 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
1971 phba->hbqslimp.phys);
1972 out_free_slim:
1973 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1974 phba->slim2p_mapping);
1975 out_iounmap:
1976 iounmap(phba->ctrl_regs_memmap_p);
1977 out_iounmap_slim:
1978 iounmap(phba->slim_memmap_p);
1979 out_idr_remove:
1980 idr_remove(&lpfc_hba_index, phba->brd_no);
1981 out_free_phba:
1982 kfree(phba);
1983 out_release_regions:
1984 pci_release_regions(pdev);
1985 out_disable_device:
1986 pci_disable_device(pdev);
1987 out:
1988 pci_set_drvdata(pdev, NULL);
1989 if (shost)
1990 scsi_host_put(shost);
1991 return error;
1992 }
1993
1994 static void __devexit
1995 lpfc_pci_remove_one(struct pci_dev *pdev)
1996 {
1997 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1998 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1999 struct lpfc_hba *phba = vport->phba;
2000 spin_lock_irq(&phba->hbalock);
2001 vport->load_flag |= FC_UNLOADING;
2002 spin_unlock_irq(&phba->hbalock);
2003
2004 kfree(vport->vname);
2005 lpfc_free_sysfs_attr(vport);
2006
2007 fc_remove_host(shost);
2008 scsi_remove_host(shost);
2009 /*
2010 * Bring down the SLI Layer. This step disable all interrupts,
2011 * clears the rings, discards all mailbox commands, and resets
2012 * the HBA.
2013 */
2014 lpfc_sli_hba_down(phba);
2015 lpfc_sli_brdrestart(phba);
2016
2017 lpfc_stop_phba_timers(phba);
2018 spin_lock_irq(&phba->hbalock);
2019 list_del_init(&vport->listentry);
2020 spin_unlock_irq(&phba->hbalock);
2021
2022 lpfc_debugfs_terminate(vport);
2023 lpfc_cleanup(vport);
2024
2025 kthread_stop(phba->worker_thread);
2026
2027 /* Release the irq reservation */
2028 free_irq(phba->pcidev->irq, phba);
2029 if (phba->using_msi)
2030 pci_disable_msi(phba->pcidev);
2031
2032 pci_set_drvdata(pdev, NULL);
2033 scsi_host_put(shost);
2034
2035 /*
2036 * Call scsi_free before mem_free since scsi bufs are released to their
2037 * corresponding pools here.
2038 */
2039 lpfc_scsi_free(phba);
2040 lpfc_mem_free(phba);
2041
2042 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2043 phba->hbqslimp.phys);
2044
2045 /* Free resources associated with SLI2 interface */
2046 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2047 phba->slim2p, phba->slim2p_mapping);
2048
2049 /* unmap adapter SLIM and Control Registers */
2050 iounmap(phba->ctrl_regs_memmap_p);
2051 iounmap(phba->slim_memmap_p);
2052
2053 idr_remove(&lpfc_hba_index, phba->brd_no);
2054
2055 kfree(phba);
2056
2057 pci_release_regions(pdev);
2058 pci_disable_device(pdev);
2059 }
2060
2061 /**
2062 * lpfc_io_error_detected - called when PCI error is detected
2063 * @pdev: Pointer to PCI device
2064 * @state: The current pci conneection state
2065 *
2066 * This function is called after a PCI bus error affecting
2067 * this device has been detected.
2068 */
2069 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2070 pci_channel_state_t state)
2071 {
2072 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2073 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2074 struct lpfc_sli *psli = &phba->sli;
2075 struct lpfc_sli_ring *pring;
2076
2077 if (state == pci_channel_io_perm_failure)
2078 return PCI_ERS_RESULT_DISCONNECT;
2079
2080 pci_disable_device(pdev);
2081 /*
2082 * There may be I/Os dropped by the firmware.
2083 * Error iocb (I/O) on txcmplq and let the SCSI layer
2084 * retry it after re-establishing link.
2085 */
2086 pring = &psli->ring[psli->fcp_ring];
2087 lpfc_sli_abort_iocb_ring(phba, pring);
2088
2089 /* Release the irq reservation */
2090 free_irq(phba->pcidev->irq, phba);
2091 if (phba->using_msi)
2092 pci_disable_msi(phba->pcidev);
2093
2094 /* Request a slot reset. */
2095 return PCI_ERS_RESULT_NEED_RESET;
2096 }
2097
2098 /**
2099 * lpfc_io_slot_reset - called after the pci bus has been reset.
2100 * @pdev: Pointer to PCI device
2101 *
2102 * Restart the card from scratch, as if from a cold-boot.
2103 */
2104 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2105 {
2106 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2107 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2108 struct lpfc_sli *psli = &phba->sli;
2109 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2110
2111 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2112 if (pci_enable_device_bars(pdev, bars)) {
2113 printk(KERN_ERR "lpfc: Cannot re-enable "
2114 "PCI device after reset.\n");
2115 return PCI_ERS_RESULT_DISCONNECT;
2116 }
2117
2118 pci_set_master(pdev);
2119
2120 /* Re-establishing Link */
2121 spin_lock_irq(shost->host_lock);
2122 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2123 spin_unlock_irq(shost->host_lock);
2124
2125 spin_lock_irq(&phba->hbalock);
2126 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2127 spin_unlock_irq(&phba->hbalock);
2128
2129
2130 /* Take device offline; this will perform cleanup */
2131 lpfc_offline(phba);
2132 lpfc_sli_brdrestart(phba);
2133
2134 return PCI_ERS_RESULT_RECOVERED;
2135 }
2136
2137 /**
2138 * lpfc_io_resume - called when traffic can start flowing again.
2139 * @pdev: Pointer to PCI device
2140 *
2141 * This callback is called when the error recovery driver tells us that
2142 * its OK to resume normal operation.
2143 */
2144 static void lpfc_io_resume(struct pci_dev *pdev)
2145 {
2146 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2147 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2148
2149 if (lpfc_online(phba) == 0) {
2150 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2151 }
2152 }
2153
2154 static struct pci_device_id lpfc_id_table[] = {
2155 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2156 PCI_ANY_ID, PCI_ANY_ID, },
2157 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2158 PCI_ANY_ID, PCI_ANY_ID, },
2159 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2160 PCI_ANY_ID, PCI_ANY_ID, },
2161 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2162 PCI_ANY_ID, PCI_ANY_ID, },
2163 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2164 PCI_ANY_ID, PCI_ANY_ID, },
2165 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2166 PCI_ANY_ID, PCI_ANY_ID, },
2167 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2168 PCI_ANY_ID, PCI_ANY_ID, },
2169 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2170 PCI_ANY_ID, PCI_ANY_ID, },
2171 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2172 PCI_ANY_ID, PCI_ANY_ID, },
2173 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2174 PCI_ANY_ID, PCI_ANY_ID, },
2175 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2176 PCI_ANY_ID, PCI_ANY_ID, },
2177 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2178 PCI_ANY_ID, PCI_ANY_ID, },
2179 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2180 PCI_ANY_ID, PCI_ANY_ID, },
2181 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2182 PCI_ANY_ID, PCI_ANY_ID, },
2183 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2184 PCI_ANY_ID, PCI_ANY_ID, },
2185 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2186 PCI_ANY_ID, PCI_ANY_ID, },
2187 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2188 PCI_ANY_ID, PCI_ANY_ID, },
2189 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2190 PCI_ANY_ID, PCI_ANY_ID, },
2191 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2192 PCI_ANY_ID, PCI_ANY_ID, },
2193 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2194 PCI_ANY_ID, PCI_ANY_ID, },
2195 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2196 PCI_ANY_ID, PCI_ANY_ID, },
2197 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2198 PCI_ANY_ID, PCI_ANY_ID, },
2199 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2200 PCI_ANY_ID, PCI_ANY_ID, },
2201 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2202 PCI_ANY_ID, PCI_ANY_ID, },
2203 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2204 PCI_ANY_ID, PCI_ANY_ID, },
2205 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2206 PCI_ANY_ID, PCI_ANY_ID, },
2207 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2208 PCI_ANY_ID, PCI_ANY_ID, },
2209 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2210 PCI_ANY_ID, PCI_ANY_ID, },
2211 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2212 PCI_ANY_ID, PCI_ANY_ID, },
2213 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2214 PCI_ANY_ID, PCI_ANY_ID, },
2215 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2216 PCI_ANY_ID, PCI_ANY_ID, },
2217 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2218 PCI_ANY_ID, PCI_ANY_ID, },
2219 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2220 PCI_ANY_ID, PCI_ANY_ID, },
2221 { 0 }
2222 };
2223
2224 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2225
2226 static struct pci_error_handlers lpfc_err_handler = {
2227 .error_detected = lpfc_io_error_detected,
2228 .slot_reset = lpfc_io_slot_reset,
2229 .resume = lpfc_io_resume,
2230 };
2231
2232 static struct pci_driver lpfc_driver = {
2233 .name = LPFC_DRIVER_NAME,
2234 .id_table = lpfc_id_table,
2235 .probe = lpfc_pci_probe_one,
2236 .remove = __devexit_p(lpfc_pci_remove_one),
2237 .err_handler = &lpfc_err_handler,
2238 };
2239
2240 static int __init
2241 lpfc_init(void)
2242 {
2243 int error = 0;
2244
2245 printk(LPFC_MODULE_DESC "\n");
2246 printk(LPFC_COPYRIGHT "\n");
2247
2248 lpfc_transport_template =
2249 fc_attach_transport(&lpfc_transport_functions);
2250 lpfc_vport_transport_template =
2251 fc_attach_transport(&lpfc_vport_transport_functions);
2252 if (!lpfc_transport_template || !lpfc_vport_transport_template)
2253 return -ENOMEM;
2254 error = pci_register_driver(&lpfc_driver);
2255 if (error) {
2256 fc_release_transport(lpfc_transport_template);
2257 fc_release_transport(lpfc_vport_transport_template);
2258 }
2259
2260 return error;
2261 }
2262
2263 static void __exit
2264 lpfc_exit(void)
2265 {
2266 pci_unregister_driver(&lpfc_driver);
2267 fc_release_transport(lpfc_transport_template);
2268 fc_release_transport(lpfc_vport_transport_template);
2269 }
2270
2271 module_init(lpfc_init);
2272 module_exit(lpfc_exit);
2273 MODULE_LICENSE("GPL");
2274 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2275 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2276 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Support for the Chinese Samsung S3C2440 based development boards