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[SCSI] lpfc build fix
[firewire-audio.git] / drivers / scsi / lpfc / lpfc_init.c
blob0856ff7d3b33d587b99e4bb72107cd34f90e2f47
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35
36 #include "lpfc_hw.h"
37 #include "lpfc_sli.h"
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
40 #include "lpfc.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
44
45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
48
49 static struct scsi_transport_template *lpfc_transport_template = NULL;
50 static DEFINE_IDR(lpfc_hba_index);
51
52 /************************************************************************/
53 /* */
54 /* lpfc_config_port_prep */
55 /* This routine will do LPFC initialization prior to the */
56 /* CONFIG_PORT mailbox command. This will be initialized */
57 /* as a SLI layer callback routine. */
58 /* This routine returns 0 on success or -ERESTART if it wants */
59 /* the SLI layer to reset the HBA and try again. Any */
60 /* other return value indicates an error. */
61 /* */
62 /************************************************************************/
63 int
64 lpfc_config_port_prep(struct lpfc_hba * phba)
65 {
66 lpfc_vpd_t *vp = &phba->vpd;
67 int i = 0, rc;
68 LPFC_MBOXQ_t *pmb;
69 MAILBOX_t *mb;
70 char *lpfc_vpd_data = NULL;
71 uint16_t offset = 0;
72 static char licensed[56] =
73 "key unlock for use with gnu public licensed code only\0";
74
75 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
76 if (!pmb) {
77 phba->hba_state = LPFC_HBA_ERROR;
78 return -ENOMEM;
79 }
80
81 mb = &pmb->mb;
82 phba->hba_state = LPFC_INIT_MBX_CMDS;
83
84 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
85 uint32_t *ptext = (uint32_t *) licensed;
86
87 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
88 *ptext = cpu_to_be32(*ptext);
89
90 lpfc_read_nv(phba, pmb);
91 memset((char*)mb->un.varRDnvp.rsvd3, 0,
92 sizeof (mb->un.varRDnvp.rsvd3));
93 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
94 sizeof (licensed));
95
96 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
97
98 if (rc != MBX_SUCCESS) {
99 lpfc_printf_log(phba,
100 KERN_ERR,
101 LOG_MBOX,
102 "%d:0324 Config Port initialization "
103 "error, mbxCmd x%x READ_NVPARM, "
104 "mbxStatus x%x\n",
105 phba->brd_no,
106 mb->mbxCommand, mb->mbxStatus);
107 mempool_free(pmb, phba->mbox_mem_pool);
108 return -ERESTART;
109 }
110 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
111 sizeof (mb->un.varRDnvp.nodename));
112 }
113
114 /* Setup and issue mailbox READ REV command */
115 lpfc_read_rev(phba, pmb);
116 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
117 if (rc != MBX_SUCCESS) {
118 lpfc_printf_log(phba,
119 KERN_ERR,
120 LOG_INIT,
121 "%d:0439 Adapter failed to init, mbxCmd x%x "
122 "READ_REV, mbxStatus x%x\n",
123 phba->brd_no,
124 mb->mbxCommand, mb->mbxStatus);
125 mempool_free( pmb, phba->mbox_mem_pool);
126 return -ERESTART;
127 }
128
129 /* The HBA's current state is provided by the ProgType and rr fields.
130 * Read and check the value of these fields before continuing to config
131 * this port.
132 */
133 if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
134 /* Old firmware */
135 vp->rev.rBit = 0;
136 lpfc_printf_log(phba,
137 KERN_ERR,
138 LOG_INIT,
139 "%d:0440 Adapter failed to init, mbxCmd x%x "
140 "READ_REV detected outdated firmware"
141 "Data: x%x\n",
142 phba->brd_no,
143 mb->mbxCommand, 0);
144 mempool_free(pmb, phba->mbox_mem_pool);
145 return -ERESTART;
146 } else {
147 vp->rev.rBit = 1;
148 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
149 memcpy(vp->rev.sli1FwName,
150 (char*)mb->un.varRdRev.sli1FwName, 16);
151 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152 memcpy(vp->rev.sli2FwName,
153 (char *)mb->un.varRdRev.sli2FwName, 16);
154 }
155
156 /* Save information as VPD data */
157 vp->rev.biuRev = mb->un.varRdRev.biuRev;
158 vp->rev.smRev = mb->un.varRdRev.smRev;
159 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
160 vp->rev.endecRev = mb->un.varRdRev.endecRev;
161 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
162 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
163 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
164 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
165 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
166 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
167
168 if (lpfc_is_LC_HBA(phba->pcidev->device))
169 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
170 sizeof (phba->RandomData));
171
172 /* Get the default values for Model Name and Description */
173 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
174
175 /* Get adapter VPD information */
176 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
177 if (!pmb->context2)
178 goto out_free_mbox;
179 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
180 if (!lpfc_vpd_data)
181 goto out_free_context2;
182
183 do {
184 lpfc_dump_mem(phba, pmb, offset);
185 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
186
187 if (rc != MBX_SUCCESS) {
188 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
189 "%d:0441 VPD not present on adapter, "
190 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
191 phba->brd_no,
192 mb->mbxCommand, mb->mbxStatus);
193 kfree(lpfc_vpd_data);
194 lpfc_vpd_data = NULL;
195 break;
196 }
197
198 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
199 mb->un.varDmp.word_cnt);
200 offset += mb->un.varDmp.word_cnt;
201 } while (mb->un.varDmp.word_cnt);
202 lpfc_parse_vpd(phba, lpfc_vpd_data);
203
204 kfree(lpfc_vpd_data);
205 out_free_context2:
206 kfree(pmb->context2);
207 out_free_mbox:
208 mempool_free(pmb, phba->mbox_mem_pool);
209 return 0;
210 }
211
212 /************************************************************************/
213 /* */
214 /* lpfc_config_port_post */
215 /* This routine will do LPFC initialization after the */
216 /* CONFIG_PORT mailbox command. This will be initialized */
217 /* as a SLI layer callback routine. */
218 /* This routine returns 0 on success. Any other return value */
219 /* indicates an error. */
220 /* */
221 /************************************************************************/
222 int
223 lpfc_config_port_post(struct lpfc_hba * phba)
224 {
225 LPFC_MBOXQ_t *pmb;
226 MAILBOX_t *mb;
227 struct lpfc_dmabuf *mp;
228 struct lpfc_sli *psli = &phba->sli;
229 uint32_t status, timeout;
230 int i, j, rc;
231
232 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
233 if (!pmb) {
234 phba->hba_state = LPFC_HBA_ERROR;
235 return -ENOMEM;
236 }
237 mb = &pmb->mb;
238
239 lpfc_config_link(phba, pmb);
240 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
241 if (rc != MBX_SUCCESS) {
242 lpfc_printf_log(phba,
243 KERN_ERR,
244 LOG_INIT,
245 "%d:0447 Adapter failed init, mbxCmd x%x "
246 "CONFIG_LINK mbxStatus x%x\n",
247 phba->brd_no,
248 mb->mbxCommand, mb->mbxStatus);
249 phba->hba_state = LPFC_HBA_ERROR;
250 mempool_free( pmb, phba->mbox_mem_pool);
251 return -EIO;
252 }
253
254 /* Get login parameters for NID. */
255 lpfc_read_sparam(phba, pmb);
256 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
257 lpfc_printf_log(phba,
258 KERN_ERR,
259 LOG_INIT,
260 "%d:0448 Adapter failed init, mbxCmd x%x "
261 "READ_SPARM mbxStatus x%x\n",
262 phba->brd_no,
263 mb->mbxCommand, mb->mbxStatus);
264 phba->hba_state = LPFC_HBA_ERROR;
265 mp = (struct lpfc_dmabuf *) pmb->context1;
266 mempool_free( pmb, phba->mbox_mem_pool);
267 lpfc_mbuf_free(phba, mp->virt, mp->phys);
268 kfree(mp);
269 return -EIO;
270 }
271
272 mp = (struct lpfc_dmabuf *) pmb->context1;
273
274 memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
275 lpfc_mbuf_free(phba, mp->virt, mp->phys);
276 kfree(mp);
277 pmb->context1 = NULL;
278
279 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
280 sizeof (struct lpfc_name));
281 memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
282 sizeof (struct lpfc_name));
283 /* If no serial number in VPD data, use low 6 bytes of WWNN */
284 /* This should be consolidated into parse_vpd ? - mr */
285 if (phba->SerialNumber[0] == 0) {
286 uint8_t *outptr;
287
288 outptr = &phba->fc_nodename.u.s.IEEE[0];
289 for (i = 0; i < 12; i++) {
290 status = *outptr++;
291 j = ((status & 0xf0) >> 4);
292 if (j <= 9)
293 phba->SerialNumber[i] =
294 (char)((uint8_t) 0x30 + (uint8_t) j);
295 else
296 phba->SerialNumber[i] =
297 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
298 i++;
299 j = (status & 0xf);
300 if (j <= 9)
301 phba->SerialNumber[i] =
302 (char)((uint8_t) 0x30 + (uint8_t) j);
303 else
304 phba->SerialNumber[i] =
305 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
306 }
307 }
308
309 /* This should turn on DELAYED ABTS for ELS timeouts */
310 lpfc_set_slim(phba, pmb, 0x052198, 0x1);
311 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
312 phba->hba_state = LPFC_HBA_ERROR;
313 mempool_free( pmb, phba->mbox_mem_pool);
314 return -EIO;
315 }
316
317
318 lpfc_read_config(phba, pmb);
319 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
320 lpfc_printf_log(phba,
321 KERN_ERR,
322 LOG_INIT,
323 "%d:0453 Adapter failed to init, mbxCmd x%x "
324 "READ_CONFIG, mbxStatus x%x\n",
325 phba->brd_no,
326 mb->mbxCommand, mb->mbxStatus);
327 phba->hba_state = LPFC_HBA_ERROR;
328 mempool_free( pmb, phba->mbox_mem_pool);
329 return -EIO;
330 }
331
332 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
333 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
334 phba->cfg_hba_queue_depth =
335 mb->un.varRdConfig.max_xri + 1;
336
337 phba->lmt = mb->un.varRdConfig.lmt;
338 /* HBA is not 4GB capable, or HBA is not 2GB capable,
339 don't let link speed ask for it */
340 if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
341 (phba->cfg_link_speed > LINK_SPEED_2G)) ||
342 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
343 (phba->cfg_link_speed > LINK_SPEED_1G))) {
344 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
345 lpfc_printf_log(phba,
346 KERN_WARNING,
347 LOG_LINK_EVENT,
348 "%d:1302 Invalid speed for this board: "
349 "Reset link speed to auto: x%x\n",
350 phba->brd_no,
351 phba->cfg_link_speed);
352 phba->cfg_link_speed = LINK_SPEED_AUTO;
353 }
354
355 phba->hba_state = LPFC_LINK_DOWN;
356
357 /* Only process IOCBs on ring 0 till hba_state is READY */
358 if (psli->ring[psli->ip_ring].cmdringaddr)
359 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
360 if (psli->ring[psli->fcp_ring].cmdringaddr)
361 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
362 if (psli->ring[psli->next_ring].cmdringaddr)
363 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
364
365 /* Post receive buffers for desired rings */
366 lpfc_post_rcv_buf(phba);
367
368 /* Enable appropriate host interrupts */
369 spin_lock_irq(phba->host->host_lock);
370 status = readl(phba->HCregaddr);
371 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
372 if (psli->num_rings > 0)
373 status |= HC_R0INT_ENA;
374 if (psli->num_rings > 1)
375 status |= HC_R1INT_ENA;
376 if (psli->num_rings > 2)
377 status |= HC_R2INT_ENA;
378 if (psli->num_rings > 3)
379 status |= HC_R3INT_ENA;
380
381 writel(status, phba->HCregaddr);
382 readl(phba->HCregaddr); /* flush */
383 spin_unlock_irq(phba->host->host_lock);
384
385 /*
386 * Setup the ring 0 (els) timeout handler
387 */
388 timeout = phba->fc_ratov << 1;
389 phba->els_tmofunc.expires = jiffies + HZ * timeout;
390 add_timer(&phba->els_tmofunc);
391
392 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
393 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
394 if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
395 lpfc_printf_log(phba,
396 KERN_ERR,
397 LOG_INIT,
398 "%d:0454 Adapter failed to init, mbxCmd x%x "
399 "INIT_LINK, mbxStatus x%x\n",
400 phba->brd_no,
401 mb->mbxCommand, mb->mbxStatus);
402
403 /* Clear all interrupt enable conditions */
404 writel(0, phba->HCregaddr);
405 readl(phba->HCregaddr); /* flush */
406 /* Clear all pending interrupts */
407 writel(0xffffffff, phba->HAregaddr);
408 readl(phba->HAregaddr); /* flush */
409
410 phba->hba_state = LPFC_HBA_ERROR;
411 mempool_free(pmb, phba->mbox_mem_pool);
412 return -EIO;
413 }
414 /* MBOX buffer will be freed in mbox compl */
415
416 i = 0;
417 while ((phba->hba_state != LPFC_HBA_READY) ||
418 (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
419 ((phba->fc_map_cnt == 0) && (i<2)) ||
420 (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
421 /* Check every second for 30 retries. */
422 i++;
423 if (i > 30) {
424 break;
425 }
426 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
427 /* The link is down. Set linkdown timeout */
428 break;
429 }
430
431 /* Delay for 1 second to give discovery time to complete. */
432 msleep(1000);
433
434 }
435
436 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
437 * any potential PRLIs to flush thru the SLI sub-system.
438 */
439 msleep(50);
440
441 return (0);
442 }
443
444 /************************************************************************/
445 /* */
446 /* lpfc_hba_down_prep */
447 /* This routine will do LPFC uninitialization before the */
448 /* HBA is reset when bringing down the SLI Layer. This will be */
449 /* initialized as a SLI layer callback routine. */
450 /* This routine returns 0 on success. Any other return value */
451 /* indicates an error. */
452 /* */
453 /************************************************************************/
454 int
455 lpfc_hba_down_prep(struct lpfc_hba * phba)
456 {
457 /* Disable interrupts */
458 writel(0, phba->HCregaddr);
459 readl(phba->HCregaddr); /* flush */
460
461 /* Cleanup potential discovery resources */
462 lpfc_els_flush_rscn(phba);
463 lpfc_els_flush_cmd(phba);
464 lpfc_disc_flush_list(phba);
465
466 return (0);
467 }
468
469 /************************************************************************/
470 /* */
471 /* lpfc_handle_eratt */
472 /* This routine will handle processing a Host Attention */
473 /* Error Status event. This will be initialized */
474 /* as a SLI layer callback routine. */
475 /* */
476 /************************************************************************/
477 void
478 lpfc_handle_eratt(struct lpfc_hba * phba)
479 {
480 struct lpfc_sli *psli = &phba->sli;
481 struct lpfc_sli_ring *pring;
482
483 /*
484 * If a reset is sent to the HBA restore PCI configuration registers.
485 */
486 if ( phba->hba_state == LPFC_INIT_START ) {
487 mdelay(1);
488 readl(phba->HCregaddr); /* flush */
489 writel(0, phba->HCregaddr);
490 readl(phba->HCregaddr); /* flush */
491
492 /* Restore PCI cmd register */
493 pci_write_config_word(phba->pcidev,
494 PCI_COMMAND, phba->pci_cfg_value);
495 }
496
497 if (phba->work_hs & HS_FFER6) {
498 /* Re-establishing Link */
499 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
500 "%d:1301 Re-establishing Link "
501 "Data: x%x x%x x%x\n",
502 phba->brd_no, phba->work_hs,
503 phba->work_status[0], phba->work_status[1]);
504 spin_lock_irq(phba->host->host_lock);
505 phba->fc_flag |= FC_ESTABLISH_LINK;
506 spin_unlock_irq(phba->host->host_lock);
507
508 /*
509 * Firmware stops when it triggled erratt with HS_FFER6.
510 * That could cause the I/Os dropped by the firmware.
511 * Error iocb (I/O) on txcmplq and let the SCSI layer
512 * retry it after re-establishing link.
513 */
514 pring = &psli->ring[psli->fcp_ring];
515 lpfc_sli_abort_iocb_ring(phba, pring);
516
517
518 /*
519 * There was a firmware error. Take the hba offline and then
520 * attempt to restart it.
521 */
522 lpfc_offline(phba);
523 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
524 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
525 return;
526 }
527 } else {
528 /* The if clause above forces this code path when the status
529 * failure is a value other than FFER6. Do not call the offline
530 * twice. This is the adapter hardware error path.
531 */
532 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
533 "%d:0457 Adapter Hardware Error "
534 "Data: x%x x%x x%x\n",
535 phba->brd_no, phba->work_hs,
536 phba->work_status[0], phba->work_status[1]);
537
538 lpfc_offline(phba);
539
540 /*
541 * Restart all traffic to this host. Since the fc_transport
542 * block functions (future) were not called in lpfc_offline,
543 * don't call them here.
544 */
545 scsi_unblock_requests(phba->host);
546 }
547 }
548
549 /************************************************************************/
550 /* */
551 /* lpfc_handle_latt */
552 /* This routine will handle processing a Host Attention */
553 /* Link Status event. This will be initialized */
554 /* as a SLI layer callback routine. */
555 /* */
556 /************************************************************************/
557 void
558 lpfc_handle_latt(struct lpfc_hba * phba)
559 {
560 struct lpfc_sli *psli = &phba->sli;
561 LPFC_MBOXQ_t *pmb;
562 volatile uint32_t control;
563 struct lpfc_dmabuf *mp;
564 int rc = -ENOMEM;
565
566 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
567 if (!pmb)
568 goto lpfc_handle_latt_err_exit;
569
570 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
571 if (!mp)
572 goto lpfc_handle_latt_free_pmb;
573
574 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
575 if (!mp->virt)
576 goto lpfc_handle_latt_free_mp;
577
578 rc = -EIO;
579
580
581 psli->slistat.link_event++;
582 lpfc_read_la(phba, pmb, mp);
583 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
584 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
585 if (rc == MBX_NOT_FINISHED)
586 goto lpfc_handle_latt_free_mp;
587
588 /* Clear Link Attention in HA REG */
589 spin_lock_irq(phba->host->host_lock);
590 writel(HA_LATT, phba->HAregaddr);
591 readl(phba->HAregaddr); /* flush */
592 spin_unlock_irq(phba->host->host_lock);
593
594 return;
595
596 lpfc_handle_latt_free_mp:
597 kfree(mp);
598 lpfc_handle_latt_free_pmb:
599 kfree(pmb);
600 lpfc_handle_latt_err_exit:
601 /* Enable Link attention interrupts */
602 spin_lock_irq(phba->host->host_lock);
603 psli->sli_flag |= LPFC_PROCESS_LA;
604 control = readl(phba->HCregaddr);
605 control |= HC_LAINT_ENA;
606 writel(control, phba->HCregaddr);
607 readl(phba->HCregaddr); /* flush */
608
609 /* Clear Link Attention in HA REG */
610 writel(HA_LATT, phba->HAregaddr);
611 readl(phba->HAregaddr); /* flush */
612 spin_unlock_irq(phba->host->host_lock);
613 lpfc_linkdown(phba);
614 phba->hba_state = LPFC_HBA_ERROR;
615
616 /* The other case is an error from issue_mbox */
617 if (rc == -ENOMEM)
618 lpfc_printf_log(phba,
619 KERN_WARNING,
620 LOG_MBOX,
621 "%d:0300 READ_LA: no buffers\n",
622 phba->brd_no);
623
624 return;
625 }
626
627 /************************************************************************/
628 /* */
629 /* lpfc_parse_vpd */
630 /* This routine will parse the VPD data */
631 /* */
632 /************************************************************************/
633 static int
634 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
635 {
636 uint8_t lenlo, lenhi;
637 uint32_t Length;
638 int i, j;
639 int finished = 0;
640 int index = 0;
641
642 if (!vpd)
643 return 0;
644
645 /* Vital Product */
646 lpfc_printf_log(phba,
647 KERN_INFO,
648 LOG_INIT,
649 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
650 phba->brd_no,
651 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
652 (uint32_t) vpd[3]);
653 do {
654 switch (vpd[index]) {
655 case 0x82:
656 index += 1;
657 lenlo = vpd[index];
658 index += 1;
659 lenhi = vpd[index];
660 index += 1;
661 i = ((((unsigned short)lenhi) << 8) + lenlo);
662 index += i;
663 break;
664 case 0x90:
665 index += 1;
666 lenlo = vpd[index];
667 index += 1;
668 lenhi = vpd[index];
669 index += 1;
670 Length = ((((unsigned short)lenhi) << 8) + lenlo);
671
672 while (Length > 0) {
673 /* Look for Serial Number */
674 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
675 index += 2;
676 i = vpd[index];
677 index += 1;
678 j = 0;
679 Length -= (3+i);
680 while(i--) {
681 phba->SerialNumber[j++] = vpd[index++];
682 if (j == 31)
683 break;
684 }
685 phba->SerialNumber[j] = 0;
686 continue;
687 }
688 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
689 phba->vpd_flag |= VPD_MODEL_DESC;
690 index += 2;
691 i = vpd[index];
692 index += 1;
693 j = 0;
694 Length -= (3+i);
695 while(i--) {
696 phba->ModelDesc[j++] = vpd[index++];
697 if (j == 255)
698 break;
699 }
700 phba->ModelDesc[j] = 0;
701 continue;
702 }
703 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
704 phba->vpd_flag |= VPD_MODEL_NAME;
705 index += 2;
706 i = vpd[index];
707 index += 1;
708 j = 0;
709 Length -= (3+i);
710 while(i--) {
711 phba->ModelName[j++] = vpd[index++];
712 if (j == 79)
713 break;
714 }
715 phba->ModelName[j] = 0;
716 continue;
717 }
718 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
719 phba->vpd_flag |= VPD_PROGRAM_TYPE;
720 index += 2;
721 i = vpd[index];
722 index += 1;
723 j = 0;
724 Length -= (3+i);
725 while(i--) {
726 phba->ProgramType[j++] = vpd[index++];
727 if (j == 255)
728 break;
729 }
730 phba->ProgramType[j] = 0;
731 continue;
732 }
733 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
734 phba->vpd_flag |= VPD_PORT;
735 index += 2;
736 i = vpd[index];
737 index += 1;
738 j = 0;
739 Length -= (3+i);
740 while(i--) {
741 phba->Port[j++] = vpd[index++];
742 if (j == 19)
743 break;
744 }
745 phba->Port[j] = 0;
746 continue;
747 }
748 else {
749 index += 2;
750 i = vpd[index];
751 index += 1;
752 index += i;
753 Length -= (3 + i);
754 }
755 }
756 finished = 0;
757 break;
758 case 0x78:
759 finished = 1;
760 break;
761 default:
762 index ++;
763 break;
764 }
765 } while (!finished && (index < 108));
766
767 return(1);
768 }
769
770 static void
771 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
772 {
773 lpfc_vpd_t *vp;
774 uint32_t id;
775 char str[16];
776
777 vp = &phba->vpd;
778 pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
779
780 switch ((id >> 16) & 0xffff) {
781 case PCI_DEVICE_ID_FIREFLY:
782 strcpy(str, "LP6000 1");
783 break;
784 case PCI_DEVICE_ID_SUPERFLY:
785 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
786 strcpy(str, "LP7000 1");
787 else
788 strcpy(str, "LP7000E 1");
789 break;
790 case PCI_DEVICE_ID_DRAGONFLY:
791 strcpy(str, "LP8000 1");
792 break;
793 case PCI_DEVICE_ID_CENTAUR:
794 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
795 strcpy(str, "LP9002 2");
796 else
797 strcpy(str, "LP9000 1");
798 break;
799 case PCI_DEVICE_ID_RFLY:
800 strcpy(str, "LP952 2");
801 break;
802 case PCI_DEVICE_ID_PEGASUS:
803 strcpy(str, "LP9802 2");
804 break;
805 case PCI_DEVICE_ID_THOR:
806 strcpy(str, "LP10000 2");
807 break;
808 case PCI_DEVICE_ID_VIPER:
809 strcpy(str, "LPX1000 10");
810 break;
811 case PCI_DEVICE_ID_PFLY:
812 strcpy(str, "LP982 2");
813 break;
814 case PCI_DEVICE_ID_TFLY:
815 strcpy(str, "LP1050 2");
816 break;
817 case PCI_DEVICE_ID_HELIOS:
818 strcpy(str, "LP11000 4");
819 break;
820 case PCI_DEVICE_ID_BMID:
821 strcpy(str, "LP1150 4");
822 break;
823 case PCI_DEVICE_ID_BSMB:
824 strcpy(str, "LP111 4");
825 break;
826 case PCI_DEVICE_ID_ZEPHYR:
827 strcpy(str, "LP11000e 4");
828 break;
829 case PCI_DEVICE_ID_ZMID:
830 strcpy(str, "LP1150e 4");
831 break;
832 case PCI_DEVICE_ID_ZSMB:
833 strcpy(str, "LP111e 4");
834 break;
835 case PCI_DEVICE_ID_LP101:
836 strcpy(str, "LP101 2");
837 break;
838 case PCI_DEVICE_ID_LP10000S:
839 strcpy(str, "LP10000-S 2");
840 break;
841 default:
842 memset(str, 0, 16);
843 break;
844 }
845 if (mdp)
846 sscanf(str, "%s", mdp);
847 if (descp)
848 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
849 "Channel Adapter", str);
850 }
851
852 /**************************************************/
853 /* lpfc_post_buffer */
854 /* */
855 /* This routine will post count buffers to the */
856 /* ring with the QUE_RING_BUF_CN command. This */
857 /* allows 3 buffers / command to be posted. */
858 /* Returns the number of buffers NOT posted. */
859 /**************************************************/
860 int
861 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
862 int type)
863 {
864 IOCB_t *icmd;
865 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
866 struct lpfc_iocbq *iocb = NULL;
867 struct lpfc_dmabuf *mp1, *mp2;
868
869 cnt += pring->missbufcnt;
870
871 /* While there are buffers to post */
872 while (cnt > 0) {
873 /* Allocate buffer for command iocb */
874 spin_lock_irq(phba->host->host_lock);
875 list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list);
876 spin_unlock_irq(phba->host->host_lock);
877 if (iocb == NULL) {
878 pring->missbufcnt = cnt;
879 return cnt;
880 }
881 memset(iocb, 0, sizeof (struct lpfc_iocbq));
882 icmd = &iocb->iocb;
883
884 /* 2 buffers can be posted per command */
885 /* Allocate buffer to post */
886 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
887 if (mp1)
888 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
889 &mp1->phys);
890 if (mp1 == 0 || mp1->virt == 0) {
891 if (mp1)
892 kfree(mp1);
893 spin_lock_irq(phba->host->host_lock);
894 list_add_tail(&iocb->list, lpfc_iocb_list);
895 spin_unlock_irq(phba->host->host_lock);
896 pring->missbufcnt = cnt;
897 return cnt;
898 }
899
900 INIT_LIST_HEAD(&mp1->list);
901 /* Allocate buffer to post */
902 if (cnt > 1) {
903 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
904 if (mp2)
905 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
906 &mp2->phys);
907 if (mp2 == 0 || mp2->virt == 0) {
908 if (mp2)
909 kfree(mp2);
910 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
911 kfree(mp1);
912 spin_lock_irq(phba->host->host_lock);
913 list_add_tail(&iocb->list, lpfc_iocb_list);
914 spin_unlock_irq(phba->host->host_lock);
915 pring->missbufcnt = cnt;
916 return cnt;
917 }
918
919 INIT_LIST_HEAD(&mp2->list);
920 } else {
921 mp2 = NULL;
922 }
923
924 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
925 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
926 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
927 icmd->ulpBdeCount = 1;
928 cnt--;
929 if (mp2) {
930 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
931 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
932 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
933 cnt--;
934 icmd->ulpBdeCount = 2;
935 }
936
937 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
938 icmd->ulpLe = 1;
939
940 spin_lock_irq(phba->host->host_lock);
941 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
942 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
943 kfree(mp1);
944 cnt++;
945 if (mp2) {
946 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
947 kfree(mp2);
948 cnt++;
949 }
950 list_add_tail(&iocb->list, lpfc_iocb_list);
951 pring->missbufcnt = cnt;
952 spin_unlock_irq(phba->host->host_lock);
953 return cnt;
954 }
955 spin_unlock_irq(phba->host->host_lock);
956 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
957 if (mp2) {
958 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
959 }
960 }
961 pring->missbufcnt = 0;
962 return 0;
963 }
964
965 /************************************************************************/
966 /* */
967 /* lpfc_post_rcv_buf */
968 /* This routine post initial rcv buffers to the configured rings */
969 /* */
970 /************************************************************************/
971 static int
972 lpfc_post_rcv_buf(struct lpfc_hba * phba)
973 {
974 struct lpfc_sli *psli = &phba->sli;
975
976 /* Ring 0, ELS / CT buffers */
977 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
978 /* Ring 2 - FCP no buffers needed */
979
980 return 0;
981 }
982
983 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
984
985 /************************************************************************/
986 /* */
987 /* lpfc_sha_init */
988 /* */
989 /************************************************************************/
990 static void
991 lpfc_sha_init(uint32_t * HashResultPointer)
992 {
993 HashResultPointer[0] = 0x67452301;
994 HashResultPointer[1] = 0xEFCDAB89;
995 HashResultPointer[2] = 0x98BADCFE;
996 HashResultPointer[3] = 0x10325476;
997 HashResultPointer[4] = 0xC3D2E1F0;
998 }
999
1000 /************************************************************************/
1001 /* */
1002 /* lpfc_sha_iterate */
1003 /* */
1004 /************************************************************************/
1005 static void
1006 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1007 {
1008 int t;
1009 uint32_t TEMP;
1010 uint32_t A, B, C, D, E;
1011 t = 16;
1012 do {
1013 HashWorkingPointer[t] =
1014 S(1,
1015 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1016 8] ^
1017 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1018 } while (++t <= 79);
1019 t = 0;
1020 A = HashResultPointer[0];
1021 B = HashResultPointer[1];
1022 C = HashResultPointer[2];
1023 D = HashResultPointer[3];
1024 E = HashResultPointer[4];
1025
1026 do {
1027 if (t < 20) {
1028 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1029 } else if (t < 40) {
1030 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1031 } else if (t < 60) {
1032 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1033 } else {
1034 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1035 }
1036 TEMP += S(5, A) + E + HashWorkingPointer[t];
1037 E = D;
1038 D = C;
1039 C = S(30, B);
1040 B = A;
1041 A = TEMP;
1042 } while (++t <= 79);
1043
1044 HashResultPointer[0] += A;
1045 HashResultPointer[1] += B;
1046 HashResultPointer[2] += C;
1047 HashResultPointer[3] += D;
1048 HashResultPointer[4] += E;
1049
1050 }
1051
1052 /************************************************************************/
1053 /* */
1054 /* lpfc_challenge_key */
1055 /* */
1056 /************************************************************************/
1057 static void
1058 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1059 {
1060 *HashWorking = (*RandomChallenge ^ *HashWorking);
1061 }
1062
1063 /************************************************************************/
1064 /* */
1065 /* lpfc_hba_init */
1066 /* */
1067 /************************************************************************/
1068 void
1069 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1070 {
1071 int t;
1072 uint32_t *HashWorking;
1073 uint32_t *pwwnn = phba->wwnn;
1074
1075 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1076 if (!HashWorking)
1077 return;
1078
1079 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1080 HashWorking[0] = HashWorking[78] = *pwwnn++;
1081 HashWorking[1] = HashWorking[79] = *pwwnn;
1082
1083 for (t = 0; t < 7; t++)
1084 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1085
1086 lpfc_sha_init(hbainit);
1087 lpfc_sha_iterate(hbainit, HashWorking);
1088 kfree(HashWorking);
1089 }
1090
1091 static void
1092 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1093 {
1094 struct lpfc_nodelist *ndlp, *next_ndlp;
1095
1096 /* clean up phba - lpfc specific */
1097 lpfc_can_disctmo(phba);
1098 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1099 nlp_listp) {
1100 lpfc_nlp_remove(phba, ndlp);
1101 }
1102
1103 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1104 nlp_listp) {
1105 lpfc_nlp_remove(phba, ndlp);
1106 }
1107
1108 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1109 nlp_listp) {
1110 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1111 }
1112
1113 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1114 nlp_listp) {
1115 lpfc_nlp_remove(phba, ndlp);
1116 }
1117
1118 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1119 nlp_listp) {
1120 lpfc_nlp_remove(phba, ndlp);
1121 }
1122
1123 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1124 nlp_listp) {
1125 lpfc_nlp_remove(phba, ndlp);
1126 }
1127
1128 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1129 nlp_listp) {
1130 lpfc_nlp_remove(phba, ndlp);
1131 }
1132
1133 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1134 nlp_listp) {
1135 lpfc_nlp_remove(phba, ndlp);
1136 }
1137
1138 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1139 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1140 INIT_LIST_HEAD(&phba->fc_unused_list);
1141 INIT_LIST_HEAD(&phba->fc_plogi_list);
1142 INIT_LIST_HEAD(&phba->fc_adisc_list);
1143 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1144 INIT_LIST_HEAD(&phba->fc_prli_list);
1145 INIT_LIST_HEAD(&phba->fc_npr_list);
1146
1147 phba->fc_map_cnt = 0;
1148 phba->fc_unmap_cnt = 0;
1149 phba->fc_plogi_cnt = 0;
1150 phba->fc_adisc_cnt = 0;
1151 phba->fc_reglogin_cnt = 0;
1152 phba->fc_prli_cnt = 0;
1153 phba->fc_npr_cnt = 0;
1154 phba->fc_unused_cnt= 0;
1155 return;
1156 }
1157
1158 static void
1159 lpfc_establish_link_tmo(unsigned long ptr)
1160 {
1161 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1162 unsigned long iflag;
1163
1164
1165 /* Re-establishing Link, timer expired */
1166 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1167 "%d:1300 Re-establishing Link, timer expired "
1168 "Data: x%x x%x\n",
1169 phba->brd_no, phba->fc_flag, phba->hba_state);
1170 spin_lock_irqsave(phba->host->host_lock, iflag);
1171 phba->fc_flag &= ~FC_ESTABLISH_LINK;
1172 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1173 }
1174
1175 static int
1176 lpfc_stop_timer(struct lpfc_hba * phba)
1177 {
1178 struct lpfc_sli *psli = &phba->sli;
1179
1180 /* Instead of a timer, this has been converted to a
1181 * deferred procedding list.
1182 */
1183 while (!list_empty(&phba->freebufList)) {
1184
1185 struct lpfc_dmabuf *mp = NULL;
1186
1187 list_remove_head((&phba->freebufList), mp,
1188 struct lpfc_dmabuf, list);
1189 if (mp) {
1190 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1191 kfree(mp);
1192 }
1193 }
1194
1195 del_timer_sync(&phba->fc_estabtmo);
1196 del_timer_sync(&phba->fc_disctmo);
1197 del_timer_sync(&phba->fc_fdmitmo);
1198 del_timer_sync(&phba->els_tmofunc);
1199 psli = &phba->sli;
1200 del_timer_sync(&psli->mbox_tmo);
1201 return(1);
1202 }
1203
1204 int
1205 lpfc_online(struct lpfc_hba * phba)
1206 {
1207 if (!phba)
1208 return 0;
1209
1210 if (!(phba->fc_flag & FC_OFFLINE_MODE))
1211 return 0;
1212
1213 lpfc_printf_log(phba,
1214 KERN_WARNING,
1215 LOG_INIT,
1216 "%d:0458 Bring Adapter online\n",
1217 phba->brd_no);
1218
1219 if (!lpfc_sli_queue_setup(phba))
1220 return 1;
1221
1222 if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */
1223 return 1;
1224
1225 spin_lock_irq(phba->host->host_lock);
1226 phba->fc_flag &= ~FC_OFFLINE_MODE;
1227 spin_unlock_irq(phba->host->host_lock);
1228
1229 /*
1230 * Restart all traffic to this host. Since the fc_transport block
1231 * functions (future) were not called in lpfc_offline, don't call them
1232 * here.
1233 */
1234 scsi_unblock_requests(phba->host);
1235 return 0;
1236 }
1237
1238 int
1239 lpfc_offline(struct lpfc_hba * phba)
1240 {
1241 struct lpfc_sli_ring *pring;
1242 struct lpfc_sli *psli;
1243 unsigned long iflag;
1244 int i = 0;
1245
1246 if (!phba)
1247 return 0;
1248
1249 if (phba->fc_flag & FC_OFFLINE_MODE)
1250 return 0;
1251
1252 /*
1253 * Don't call the fc_transport block api (future). The device is
1254 * going offline and causing a timer to fire in the midlayer is
1255 * unproductive. Just block all new requests until the driver
1256 * comes back online.
1257 */
1258 scsi_block_requests(phba->host);
1259 psli = &phba->sli;
1260 pring = &psli->ring[psli->fcp_ring];
1261
1262 lpfc_linkdown(phba);
1263
1264 /* The linkdown event takes 30 seconds to timeout. */
1265 while (pring->txcmplq_cnt) {
1266 mdelay(10);
1267 if (i++ > 3000)
1268 break;
1269 }
1270
1271 /* stop all timers associated with this hba */
1272 lpfc_stop_timer(phba);
1273 phba->work_hba_events = 0;
1274
1275 lpfc_printf_log(phba,
1276 KERN_WARNING,
1277 LOG_INIT,
1278 "%d:0460 Bring Adapter offline\n",
1279 phba->brd_no);
1280
1281 /* Bring down the SLI Layer and cleanup. The HBA is offline
1282 now. */
1283 lpfc_sli_hba_down(phba);
1284 lpfc_cleanup(phba, 1);
1285 spin_lock_irqsave(phba->host->host_lock, iflag);
1286 phba->fc_flag |= FC_OFFLINE_MODE;
1287 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1288 return 0;
1289 }
1290
1291 /******************************************************************************
1292 * Function name: lpfc_scsi_free
1293 *
1294 * Description: Called from lpfc_pci_remove_one free internal driver resources
1295 *
1296 ******************************************************************************/
1297 static int
1298 lpfc_scsi_free(struct lpfc_hba * phba)
1299 {
1300 struct lpfc_scsi_buf *sb, *sb_next;
1301 struct lpfc_iocbq *io, *io_next;
1302
1303 spin_lock_irq(phba->host->host_lock);
1304 /* Release all the lpfc_scsi_bufs maintained by this host. */
1305 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1306 list_del(&sb->list);
1307 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1308 sb->dma_handle);
1309 kfree(sb);
1310 phba->total_scsi_bufs--;
1311 }
1312
1313 /* Release all the lpfc_iocbq entries maintained by this host. */
1314 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1315 list_del(&io->list);
1316 kfree(io);
1317 phba->total_iocbq_bufs--;
1318 }
1319
1320 spin_unlock_irq(phba->host->host_lock);
1321
1322 return 0;
1323 }
1324
1325
1326 static int __devinit
1327 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1328 {
1329 struct Scsi_Host *host;
1330 struct lpfc_hba *phba;
1331 struct lpfc_sli *psli;
1332 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1333 unsigned long bar0map_len, bar2map_len;
1334 int error = -ENODEV, retval;
1335 int i;
1336
1337 if (pci_enable_device(pdev))
1338 goto out;
1339 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1340 goto out_disable_device;
1341
1342 host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1343 if (!host)
1344 goto out_release_regions;
1345
1346 phba = (struct lpfc_hba*)host->hostdata;
1347 memset(phba, 0, sizeof (struct lpfc_hba));
1348 phba->host = host;
1349
1350 phba->fc_flag |= FC_LOADING;
1351 phba->pcidev = pdev;
1352
1353 /* Assign an unused board number */
1354 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1355 goto out_put_host;
1356
1357 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1358 if (error)
1359 goto out_put_host;
1360
1361 host->unique_id = phba->brd_no;
1362
1363 INIT_LIST_HEAD(&phba->ctrspbuflist);
1364 INIT_LIST_HEAD(&phba->rnidrspbuflist);
1365 INIT_LIST_HEAD(&phba->freebufList);
1366
1367 /* Initialize timers used by driver */
1368 init_timer(&phba->fc_estabtmo);
1369 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1370 phba->fc_estabtmo.data = (unsigned long)phba;
1371 init_timer(&phba->fc_disctmo);
1372 phba->fc_disctmo.function = lpfc_disc_timeout;
1373 phba->fc_disctmo.data = (unsigned long)phba;
1374
1375 init_timer(&phba->fc_fdmitmo);
1376 phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1377 phba->fc_fdmitmo.data = (unsigned long)phba;
1378 init_timer(&phba->els_tmofunc);
1379 phba->els_tmofunc.function = lpfc_els_timeout;
1380 phba->els_tmofunc.data = (unsigned long)phba;
1381 psli = &phba->sli;
1382 init_timer(&psli->mbox_tmo);
1383 psli->mbox_tmo.function = lpfc_mbox_timeout;
1384 psli->mbox_tmo.data = (unsigned long)phba;
1385
1386 /*
1387 * Get all the module params for configuring this host and then
1388 * establish the host parameters.
1389 */
1390 lpfc_get_cfgparam(phba);
1391
1392 host->max_id = LPFC_MAX_TARGET;
1393 host->max_lun = phba->cfg_max_luns;
1394 host->this_id = -1;
1395
1396 /* Initialize all internally managed lists. */
1397 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1398 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1399 INIT_LIST_HEAD(&phba->fc_unused_list);
1400 INIT_LIST_HEAD(&phba->fc_plogi_list);
1401 INIT_LIST_HEAD(&phba->fc_adisc_list);
1402 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1403 INIT_LIST_HEAD(&phba->fc_prli_list);
1404 INIT_LIST_HEAD(&phba->fc_npr_list);
1405
1406
1407 pci_set_master(pdev);
1408 retval = pci_set_mwi(pdev);
1409 if (retval)
1410 dev_printk(KERN_WARNING, &pdev->dev,
1411 "Warning: pci_set_mwi returned %d\n", retval);
1412
1413 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1414 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1415 goto out_idr_remove;
1416
1417 /*
1418 * Get the bus address of Bar0 and Bar2 and the number of bytes
1419 * required by each mapping.
1420 */
1421 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1422 bar0map_len = pci_resource_len(phba->pcidev, 0);
1423
1424 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1425 bar2map_len = pci_resource_len(phba->pcidev, 2);
1426
1427 /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1428 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1429 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1430
1431 /* Allocate memory for SLI-2 structures */
1432 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1433 &phba->slim2p_mapping, GFP_KERNEL);
1434 if (!phba->slim2p)
1435 goto out_iounmap;
1436
1437
1438 /* Initialize the SLI Layer to run with lpfc HBAs. */
1439 lpfc_sli_setup(phba);
1440 lpfc_sli_queue_setup(phba);
1441
1442 error = lpfc_mem_alloc(phba);
1443 if (error)
1444 goto out_free_slim;
1445
1446 /* Initialize and populate the iocb list per host. */
1447 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1448 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1449 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1450 if (iocbq_entry == NULL) {
1451 printk(KERN_ERR "%s: only allocated %d iocbs of "
1452 "expected %d count. Unloading driver.\n",
1453 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1454 error = -ENOMEM;
1455 goto out_free_iocbq;
1456 }
1457
1458 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1459 spin_lock_irq(phba->host->host_lock);
1460 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1461 phba->total_iocbq_bufs++;
1462 spin_unlock_irq(phba->host->host_lock);
1463 }
1464
1465 /* Initialize HBA structure */
1466 phba->fc_edtov = FF_DEF_EDTOV;
1467 phba->fc_ratov = FF_DEF_RATOV;
1468 phba->fc_altov = FF_DEF_ALTOV;
1469 phba->fc_arbtov = FF_DEF_ARBTOV;
1470
1471 INIT_LIST_HEAD(&phba->work_list);
1472 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1473 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1474
1475 /* Startup the kernel thread for this host adapter. */
1476 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1477 "lpfc_worker_%d", phba->brd_no);
1478 if (IS_ERR(phba->worker_thread)) {
1479 error = PTR_ERR(phba->worker_thread);
1480 goto out_free_iocbq;
1481 }
1482
1483 /* We can rely on a queue depth attribute only after SLI HBA setup */
1484 host->can_queue = phba->cfg_hba_queue_depth - 10;
1485
1486 /* Tell the midlayer we support 16 byte commands */
1487 host->max_cmd_len = 16;
1488
1489 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1490 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1491
1492 host->transportt = lpfc_transport_template;
1493 host->hostdata[0] = (unsigned long)phba;
1494 pci_set_drvdata(pdev, host);
1495 error = scsi_add_host(host, &pdev->dev);
1496 if (error)
1497 goto out_kthread_stop;
1498
1499 error = lpfc_alloc_sysfs_attr(phba);
1500 if (error)
1501 goto out_kthread_stop;
1502
1503 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1504 LPFC_DRIVER_NAME, phba);
1505 if (error) {
1506 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1507 "%d:0451 Enable interrupt handler failed\n",
1508 phba->brd_no);
1509 goto out_free_sysfs_attr;
1510 }
1511 phba->MBslimaddr = phba->slim_memmap_p;
1512 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1513 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1514 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1515 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1516
1517 error = lpfc_sli_hba_setup(phba);
1518 if (error)
1519 goto out_free_irq;
1520
1521 /*
1522 * set fixed host attributes
1523 * Must done after lpfc_sli_hba_setup()
1524 */
1525
1526 fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1527 fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1528 fc_host_supported_classes(host) = FC_COS_CLASS3;
1529
1530 memset(fc_host_supported_fc4s(host), 0,
1531 sizeof(fc_host_supported_fc4s(host)));
1532 fc_host_supported_fc4s(host)[2] = 1;
1533 fc_host_supported_fc4s(host)[7] = 1;
1534
1535 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1536
1537 fc_host_supported_speeds(host) = 0;
1538 switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
1539 case VIPER_JEDEC_ID:
1540 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1541 break;
1542 case HELIOS_JEDEC_ID:
1543 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1544 /* Fall through */
1545 case CENTAUR_2G_JEDEC_ID:
1546 case PEGASUS_JEDEC_ID:
1547 case THOR_JEDEC_ID:
1548 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1549 /* Fall through */
1550 default:
1551 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
1552 }
1553
1554 fc_host_maxframe_size(host) =
1555 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1556 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1557
1558 /* This value is also unchanging */
1559 memset(fc_host_active_fc4s(host), 0,
1560 sizeof(fc_host_active_fc4s(host)));
1561 fc_host_active_fc4s(host)[2] = 1;
1562 fc_host_active_fc4s(host)[7] = 1;
1563
1564 spin_lock_irq(phba->host->host_lock);
1565 phba->fc_flag &= ~FC_LOADING;
1566 spin_unlock_irq(phba->host->host_lock);
1567 return 0;
1568
1569 out_free_irq:
1570 lpfc_stop_timer(phba);
1571 phba->work_hba_events = 0;
1572 free_irq(phba->pcidev->irq, phba);
1573 out_free_sysfs_attr:
1574 lpfc_free_sysfs_attr(phba);
1575 out_kthread_stop:
1576 kthread_stop(phba->worker_thread);
1577 out_free_iocbq:
1578 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1579 &phba->lpfc_iocb_list, list) {
1580 spin_lock_irq(phba->host->host_lock);
1581 kfree(iocbq_entry);
1582 phba->total_iocbq_bufs--;
1583 spin_unlock_irq(phba->host->host_lock);
1584 }
1585 lpfc_mem_free(phba);
1586 out_free_slim:
1587 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1588 phba->slim2p_mapping);
1589 out_iounmap:
1590 iounmap(phba->ctrl_regs_memmap_p);
1591 iounmap(phba->slim_memmap_p);
1592 out_idr_remove:
1593 idr_remove(&lpfc_hba_index, phba->brd_no);
1594 out_put_host:
1595 scsi_host_put(host);
1596 out_release_regions:
1597 pci_release_regions(pdev);
1598 out_disable_device:
1599 pci_disable_device(pdev);
1600 out:
1601 return error;
1602 }
1603
1604 static void __devexit
1605 lpfc_pci_remove_one(struct pci_dev *pdev)
1606 {
1607 struct Scsi_Host *host = pci_get_drvdata(pdev);
1608 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0];
1609 unsigned long iflag;
1610
1611 lpfc_free_sysfs_attr(phba);
1612
1613 spin_lock_irqsave(phba->host->host_lock, iflag);
1614 phba->fc_flag |= FC_UNLOADING;
1615
1616 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1617
1618 fc_remove_host(phba->host);
1619 scsi_remove_host(phba->host);
1620
1621 kthread_stop(phba->worker_thread);
1622
1623 /*
1624 * Bring down the SLI Layer. This step disable all interrupts,
1625 * clears the rings, discards all mailbox commands, and resets
1626 * the HBA.
1627 */
1628 lpfc_sli_hba_down(phba);
1629
1630 /* Release the irq reservation */
1631 free_irq(phba->pcidev->irq, phba);
1632
1633 lpfc_cleanup(phba, 0);
1634 lpfc_stop_timer(phba);
1635 phba->work_hba_events = 0;
1636
1637 /*
1638 * Call scsi_free before mem_free since scsi bufs are released to their
1639 * corresponding pools here.
1640 */
1641 lpfc_scsi_free(phba);
1642 lpfc_mem_free(phba);
1643
1644 /* Free resources associated with SLI2 interface */
1645 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1646 phba->slim2p, phba->slim2p_mapping);
1647
1648 /* unmap adapter SLIM and Control Registers */
1649 iounmap(phba->ctrl_regs_memmap_p);
1650 iounmap(phba->slim_memmap_p);
1651
1652 pci_release_regions(phba->pcidev);
1653 pci_disable_device(phba->pcidev);
1654
1655 idr_remove(&lpfc_hba_index, phba->brd_no);
1656 scsi_host_put(phba->host);
1657
1658 pci_set_drvdata(pdev, NULL);
1659 }
1660
1661 static struct pci_device_id lpfc_id_table[] = {
1662 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1663 PCI_ANY_ID, PCI_ANY_ID, },
1664 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1665 PCI_ANY_ID, PCI_ANY_ID, },
1666 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1667 PCI_ANY_ID, PCI_ANY_ID, },
1668 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1669 PCI_ANY_ID, PCI_ANY_ID, },
1670 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1671 PCI_ANY_ID, PCI_ANY_ID, },
1672 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1673 PCI_ANY_ID, PCI_ANY_ID, },
1674 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1675 PCI_ANY_ID, PCI_ANY_ID, },
1676 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1677 PCI_ANY_ID, PCI_ANY_ID, },
1678 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1679 PCI_ANY_ID, PCI_ANY_ID, },
1680 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1681 PCI_ANY_ID, PCI_ANY_ID, },
1682 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1683 PCI_ANY_ID, PCI_ANY_ID, },
1684 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1685 PCI_ANY_ID, PCI_ANY_ID, },
1686 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1687 PCI_ANY_ID, PCI_ANY_ID, },
1688 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1689 PCI_ANY_ID, PCI_ANY_ID, },
1690 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1691 PCI_ANY_ID, PCI_ANY_ID, },
1692 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1693 PCI_ANY_ID, PCI_ANY_ID, },
1694 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1695 PCI_ANY_ID, PCI_ANY_ID, },
1696 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1697 PCI_ANY_ID, PCI_ANY_ID, },
1698 { 0 }
1699 };
1700
1701 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1702
1703 static struct pci_driver lpfc_driver = {
1704 .name = LPFC_DRIVER_NAME,
1705 .id_table = lpfc_id_table,
1706 .probe = lpfc_pci_probe_one,
1707 .remove = __devexit_p(lpfc_pci_remove_one),
1708 };
1709
1710 static int __init
1711 lpfc_init(void)
1712 {
1713 int error = 0;
1714
1715 printk(LPFC_MODULE_DESC "\n");
1716 printk(LPFC_COPYRIGHT "\n");
1717
1718 lpfc_transport_template =
1719 fc_attach_transport(&lpfc_transport_functions);
1720 if (!lpfc_transport_template)
1721 return -ENOMEM;
1722 error = pci_register_driver(&lpfc_driver);
1723 if (error)
1724 fc_release_transport(lpfc_transport_template);
1725
1726 return error;
1727 }
1728
1729 static void __exit
1730 lpfc_exit(void)
1731 {
1732 pci_unregister_driver(&lpfc_driver);
1733 fc_release_transport(lpfc_transport_template);
1734 }
1735
1736 module_init(lpfc_init);
1737 module_exit(lpfc_exit);
1738 MODULE_LICENSE("GPL");
1739 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1740 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1741 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
AMDTP streaming driver for the Linux FireWire stack (Juju)