1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
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 *******************************************************************/
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>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
40 #include "lpfc_disc.h"
41 #include "lpfc_scsi.h"
43 #include "lpfc_logmsg.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_vport.h"
46 #include "lpfc_version.h"
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
*);
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
);
57 * lpfc_config_port_prep: Perform lpfc initialization prior to config port.
58 * @phba: pointer to lpfc hba data structure.
60 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
61 * mailbox command. It retrieves the revision information from the HBA and
62 * collects the Vital Product Data (VPD) about the HBA for preparing the
63 * configuration of the HBA.
67 * -ERESTART - requests the SLI layer to reset the HBA and try again.
68 * Any other value - indicates an error.
71 lpfc_config_port_prep(struct lpfc_hba
*phba
)
73 lpfc_vpd_t
*vp
= &phba
->vpd
;
77 char *lpfc_vpd_data
= NULL
;
79 static char licensed
[56] =
80 "key unlock for use with gnu public licensed code only\0";
81 static int init_key
= 1;
83 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
85 phba
->link_state
= LPFC_HBA_ERROR
;
90 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
92 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
94 uint32_t *ptext
= (uint32_t *) licensed
;
96 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
97 *ptext
= cpu_to_be32(*ptext
);
101 lpfc_read_nv(phba
, pmb
);
102 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
103 sizeof (mb
->un
.varRDnvp
.rsvd3
));
104 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
107 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
109 if (rc
!= MBX_SUCCESS
) {
110 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
111 "0324 Config Port initialization "
112 "error, mbxCmd x%x READ_NVPARM, "
114 mb
->mbxCommand
, mb
->mbxStatus
);
115 mempool_free(pmb
, phba
->mbox_mem_pool
);
118 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
120 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
124 phba
->sli3_options
= 0x0;
126 /* Setup and issue mailbox READ REV command */
127 lpfc_read_rev(phba
, pmb
);
128 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
129 if (rc
!= MBX_SUCCESS
) {
130 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
131 "0439 Adapter failed to init, mbxCmd x%x "
132 "READ_REV, mbxStatus x%x\n",
133 mb
->mbxCommand
, mb
->mbxStatus
);
134 mempool_free( pmb
, phba
->mbox_mem_pool
);
140 * The value of rr must be 1 since the driver set the cv field to 1.
141 * This setting requires the FW to set all revision fields.
143 if (mb
->un
.varRdRev
.rr
== 0) {
145 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
146 "0440 Adapter failed to init, READ_REV has "
147 "missing revision information.\n");
148 mempool_free(pmb
, phba
->mbox_mem_pool
);
152 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
153 mempool_free(pmb
, phba
->mbox_mem_pool
);
157 /* Save information as VPD data */
159 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
160 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
161 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
162 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
163 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
164 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
165 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
166 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
167 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
168 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
169 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
170 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
171 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
172 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
173 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
175 /* If the sli feature level is less then 9, we must
176 * tear down all RPIs and VPIs on link down if NPIV
179 if (vp
->rev
.feaLevelHigh
< 9)
180 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
182 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
183 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
184 sizeof (phba
->RandomData
));
186 /* Get adapter VPD information */
187 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
192 lpfc_dump_mem(phba
, pmb
, offset
);
193 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
195 if (rc
!= MBX_SUCCESS
) {
196 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
197 "0441 VPD not present on adapter, "
198 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
199 mb
->mbxCommand
, mb
->mbxStatus
);
200 mb
->un
.varDmp
.word_cnt
= 0;
202 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
203 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
204 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
205 lpfc_vpd_data
+ offset
,
206 mb
->un
.varDmp
.word_cnt
);
207 offset
+= mb
->un
.varDmp
.word_cnt
;
208 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
209 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
211 kfree(lpfc_vpd_data
);
213 mempool_free(pmb
, phba
->mbox_mem_pool
);
218 * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd.
219 * @phba: pointer to lpfc hba data structure.
220 * @pmboxq: pointer to the driver internal queue element for mailbox command.
222 * This is the completion handler for driver's configuring asynchronous event
223 * mailbox command to the device. If the mailbox command returns successfully,
224 * it will set internal async event support flag to 1; otherwise, it will
225 * set internal async event support flag to 0.
228 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
230 if (pmboxq
->mb
.mbxStatus
== MBX_SUCCESS
)
231 phba
->temp_sensor_support
= 1;
233 phba
->temp_sensor_support
= 0;
234 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
239 * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox
240 * command used for getting wake up parameters.
241 * @phba: pointer to lpfc hba data structure.
242 * @pmboxq: pointer to the driver internal queue element for mailbox command.
244 * This is the completion handler for dump mailbox command for getting
245 * wake up parameters. When this command complete, the response contain
246 * Option rom version of the HBA. This function translate the version number
247 * into a human readable string and store it in OptionROMVersion.
250 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
253 uint32_t prog_id_word
;
255 /* character array used for decoding dist type. */
256 char dist_char
[] = "nabx";
258 if (pmboxq
->mb
.mbxStatus
!= MBX_SUCCESS
)
261 prg
= (struct prog_id
*) &prog_id_word
;
263 /* word 7 contain option rom version */
264 prog_id_word
= pmboxq
->mb
.un
.varWords
[7];
266 /* Decode the Option rom version word to a readable string */
268 dist
= dist_char
[prg
->dist
];
270 if ((prg
->dist
== 3) && (prg
->num
== 0))
271 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
272 prg
->ver
, prg
->rev
, prg
->lev
);
274 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
275 prg
->ver
, prg
->rev
, prg
->lev
,
281 * lpfc_config_port_post: Perform lpfc initialization after config port.
282 * @phba: pointer to lpfc hba data structure.
284 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
285 * command call. It performs all internal resource and state setups on the
286 * port: post IOCB buffers, enable appropriate host interrupt attentions,
287 * ELS ring timers, etc.
291 * Any other value - error.
294 lpfc_config_port_post(struct lpfc_hba
*phba
)
296 struct lpfc_vport
*vport
= phba
->pport
;
299 struct lpfc_dmabuf
*mp
;
300 struct lpfc_sli
*psli
= &phba
->sli
;
301 uint32_t status
, timeout
;
305 spin_lock_irq(&phba
->hbalock
);
307 * If the Config port completed correctly the HBA is not
308 * over heated any more.
310 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
311 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
312 spin_unlock_irq(&phba
->hbalock
);
314 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
316 phba
->link_state
= LPFC_HBA_ERROR
;
321 /* Get login parameters for NID. */
322 lpfc_read_sparam(phba
, pmb
, 0);
324 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
325 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
326 "0448 Adapter failed init, mbxCmd x%x "
327 "READ_SPARM mbxStatus x%x\n",
328 mb
->mbxCommand
, mb
->mbxStatus
);
329 phba
->link_state
= LPFC_HBA_ERROR
;
330 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
331 mempool_free( pmb
, phba
->mbox_mem_pool
);
332 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
337 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
339 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
340 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
342 pmb
->context1
= NULL
;
344 if (phba
->cfg_soft_wwnn
)
345 u64_to_wwn(phba
->cfg_soft_wwnn
,
346 vport
->fc_sparam
.nodeName
.u
.wwn
);
347 if (phba
->cfg_soft_wwpn
)
348 u64_to_wwn(phba
->cfg_soft_wwpn
,
349 vport
->fc_sparam
.portName
.u
.wwn
);
350 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
351 sizeof (struct lpfc_name
));
352 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
353 sizeof (struct lpfc_name
));
354 /* If no serial number in VPD data, use low 6 bytes of WWNN */
355 /* This should be consolidated into parse_vpd ? - mr */
356 if (phba
->SerialNumber
[0] == 0) {
359 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
360 for (i
= 0; i
< 12; i
++) {
362 j
= ((status
& 0xf0) >> 4);
364 phba
->SerialNumber
[i
] =
365 (char)((uint8_t) 0x30 + (uint8_t) j
);
367 phba
->SerialNumber
[i
] =
368 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
372 phba
->SerialNumber
[i
] =
373 (char)((uint8_t) 0x30 + (uint8_t) j
);
375 phba
->SerialNumber
[i
] =
376 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
380 lpfc_read_config(phba
, pmb
);
382 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
383 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
384 "0453 Adapter failed to init, mbxCmd x%x "
385 "READ_CONFIG, mbxStatus x%x\n",
386 mb
->mbxCommand
, mb
->mbxStatus
);
387 phba
->link_state
= LPFC_HBA_ERROR
;
388 mempool_free( pmb
, phba
->mbox_mem_pool
);
392 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
393 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
394 phba
->cfg_hba_queue_depth
=
395 mb
->un
.varRdConfig
.max_xri
+ 1;
397 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
399 /* Get the default values for Model Name and Description */
400 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
402 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
403 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
404 && !(phba
->lmt
& LMT_1Gb
))
405 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
406 && !(phba
->lmt
& LMT_2Gb
))
407 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
408 && !(phba
->lmt
& LMT_4Gb
))
409 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
410 && !(phba
->lmt
& LMT_8Gb
))
411 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
412 && !(phba
->lmt
& LMT_10Gb
))) {
413 /* Reset link speed to auto */
414 lpfc_printf_log(phba
, KERN_WARNING
, LOG_LINK_EVENT
,
415 "1302 Invalid speed for this board: "
416 "Reset link speed to auto: x%x\n",
417 phba
->cfg_link_speed
);
418 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
421 phba
->link_state
= LPFC_LINK_DOWN
;
423 /* Only process IOCBs on ELS ring till hba_state is READY */
424 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
425 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
426 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
427 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
428 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
429 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
431 /* Post receive buffers for desired rings */
432 if (phba
->sli_rev
!= 3)
433 lpfc_post_rcv_buf(phba
);
436 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
438 if (phba
->intr_type
== MSIX
) {
439 rc
= lpfc_config_msi(phba
, pmb
);
441 mempool_free(pmb
, phba
->mbox_mem_pool
);
444 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
445 if (rc
!= MBX_SUCCESS
) {
446 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
447 "0352 Config MSI mailbox command "
448 "failed, mbxCmd x%x, mbxStatus x%x\n",
449 pmb
->mb
.mbxCommand
, pmb
->mb
.mbxStatus
);
450 mempool_free(pmb
, phba
->mbox_mem_pool
);
455 /* Initialize ERATT handling flag */
456 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
458 /* Enable appropriate host interrupts */
459 spin_lock_irq(&phba
->hbalock
);
460 status
= readl(phba
->HCregaddr
);
461 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
462 if (psli
->num_rings
> 0)
463 status
|= HC_R0INT_ENA
;
464 if (psli
->num_rings
> 1)
465 status
|= HC_R1INT_ENA
;
466 if (psli
->num_rings
> 2)
467 status
|= HC_R2INT_ENA
;
468 if (psli
->num_rings
> 3)
469 status
|= HC_R3INT_ENA
;
471 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
472 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
473 status
&= ~(HC_R0INT_ENA
);
475 writel(status
, phba
->HCregaddr
);
476 readl(phba
->HCregaddr
); /* flush */
477 spin_unlock_irq(&phba
->hbalock
);
479 /* Set up ring-0 (ELS) timer */
480 timeout
= phba
->fc_ratov
* 2;
481 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
482 /* Set up heart beat (HB) timer */
483 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
484 phba
->hb_outstanding
= 0;
485 phba
->last_completion_time
= jiffies
;
486 /* Set up error attention (ERATT) polling timer */
487 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
489 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
490 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
491 lpfc_set_loopback_flag(phba
);
492 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
493 if (rc
!= MBX_SUCCESS
) {
494 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
495 "0454 Adapter failed to init, mbxCmd x%x "
496 "INIT_LINK, mbxStatus x%x\n",
497 mb
->mbxCommand
, mb
->mbxStatus
);
499 /* Clear all interrupt enable conditions */
500 writel(0, phba
->HCregaddr
);
501 readl(phba
->HCregaddr
); /* flush */
502 /* Clear all pending interrupts */
503 writel(0xffffffff, phba
->HAregaddr
);
504 readl(phba
->HAregaddr
); /* flush */
506 phba
->link_state
= LPFC_HBA_ERROR
;
508 mempool_free(pmb
, phba
->mbox_mem_pool
);
511 /* MBOX buffer will be freed in mbox compl */
512 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
513 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
514 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
515 pmb
->vport
= phba
->pport
;
516 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
518 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
519 lpfc_printf_log(phba
,
522 "0456 Adapter failed to issue "
523 "ASYNCEVT_ENABLE mbox status x%x \n.",
525 mempool_free(pmb
, phba
->mbox_mem_pool
);
528 /* Get Option rom version */
529 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
530 lpfc_dump_wakeup_param(phba
, pmb
);
531 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
532 pmb
->vport
= phba
->pport
;
533 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
535 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
536 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
537 "to get Option ROM version status x%x\n.", rc
);
538 mempool_free(pmb
, phba
->mbox_mem_pool
);
545 * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset.
546 * @phba: pointer to lpfc HBA data structure.
548 * This routine will do LPFC uninitialization before the HBA is reset when
549 * bringing down the SLI Layer.
553 * Any other value - error.
556 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
558 struct lpfc_vport
**vports
;
560 /* Disable interrupts */
561 writel(0, phba
->HCregaddr
);
562 readl(phba
->HCregaddr
); /* flush */
564 if (phba
->pport
->load_flag
& FC_UNLOADING
)
565 lpfc_cleanup_discovery_resources(phba
->pport
);
567 vports
= lpfc_create_vport_work_array(phba
);
569 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++)
570 lpfc_cleanup_discovery_resources(vports
[i
]);
571 lpfc_destroy_vport_work_array(phba
, vports
);
577 * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset.
578 * @phba: pointer to lpfc HBA data structure.
580 * This routine will do uninitialization after the HBA is reset when bring
581 * down the SLI Layer.
585 * Any other value - error.
588 lpfc_hba_down_post(struct lpfc_hba
*phba
)
590 struct lpfc_sli
*psli
= &phba
->sli
;
591 struct lpfc_sli_ring
*pring
;
592 struct lpfc_dmabuf
*mp
, *next_mp
;
593 struct lpfc_iocbq
*iocb
;
595 LIST_HEAD(completions
);
598 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
599 lpfc_sli_hbqbuf_free_all(phba
);
601 /* Cleanup preposted buffers on the ELS ring */
602 pring
= &psli
->ring
[LPFC_ELS_RING
];
603 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
605 pring
->postbufq_cnt
--;
606 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
611 spin_lock_irq(&phba
->hbalock
);
612 for (i
= 0; i
< psli
->num_rings
; i
++) {
613 pring
= &psli
->ring
[i
];
615 /* At this point in time the HBA is either reset or DOA. Either
616 * way, nothing should be on txcmplq as it will NEVER complete.
618 list_splice_init(&pring
->txcmplq
, &completions
);
619 pring
->txcmplq_cnt
= 0;
620 spin_unlock_irq(&phba
->hbalock
);
622 while (!list_empty(&completions
)) {
623 iocb
= list_get_first(&completions
, struct lpfc_iocbq
,
626 list_del_init(&iocb
->list
);
628 if (!iocb
->iocb_cmpl
)
629 lpfc_sli_release_iocbq(phba
, iocb
);
631 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
632 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
633 (iocb
->iocb_cmpl
) (phba
, iocb
, iocb
);
637 lpfc_sli_abort_iocb_ring(phba
, pring
);
638 spin_lock_irq(&phba
->hbalock
);
640 spin_unlock_irq(&phba
->hbalock
);
646 * lpfc_hb_timeout: The HBA-timer timeout handler.
647 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
649 * This is the HBA-timer timeout handler registered to the lpfc driver. When
650 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
651 * work-port-events bitmap and the worker thread is notified. This timeout
652 * event will be used by the worker thread to invoke the actual timeout
653 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
654 * be performed in the timeout handler and the HBA timeout event bit shall
655 * be cleared by the worker thread after it has taken the event bitmap out.
658 lpfc_hb_timeout(unsigned long ptr
)
660 struct lpfc_hba
*phba
;
664 phba
= (struct lpfc_hba
*)ptr
;
666 /* Check for heart beat timeout conditions */
667 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
668 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
670 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
671 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
673 /* Tell the worker thread there is work to do */
675 lpfc_worker_wake_up(phba
);
680 * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function.
681 * @phba: pointer to lpfc hba data structure.
682 * @pmboxq: pointer to the driver internal queue element for mailbox command.
684 * This is the callback function to the lpfc heart-beat mailbox command.
685 * If configured, the lpfc driver issues the heart-beat mailbox command to
686 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
687 * heart-beat mailbox command is issued, the driver shall set up heart-beat
688 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
689 * heart-beat outstanding state. Once the mailbox command comes back and
690 * no error conditions detected, the heart-beat mailbox command timer is
691 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
692 * state is cleared for the next heart-beat. If the timer expired with the
693 * heart-beat outstanding state set, the driver will put the HBA offline.
696 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
698 unsigned long drvr_flag
;
700 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
701 phba
->hb_outstanding
= 0;
702 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
704 /* Check and reset heart-beat timer is necessary */
705 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
706 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
707 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
708 !(phba
->pport
->load_flag
& FC_UNLOADING
))
709 mod_timer(&phba
->hb_tmofunc
,
710 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
715 * lpfc_hb_timeout_handler: The HBA-timer timeout handler.
716 * @phba: pointer to lpfc hba data structure.
718 * This is the actual HBA-timer timeout handler to be invoked by the worker
719 * thread whenever the HBA timer fired and HBA-timeout event posted. This
720 * handler performs any periodic operations needed for the device. If such
721 * periodic event has already been attended to either in the interrupt handler
722 * or by processing slow-ring or fast-ring events within the HBA-timer
723 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
724 * the timer for the next timeout period. If lpfc heart-beat mailbox command
725 * is configured and there is no heart-beat mailbox command outstanding, a
726 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
727 * has been a heart-beat mailbox command outstanding, the HBA shall be put
731 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
733 LPFC_MBOXQ_t
*pmboxq
;
734 struct lpfc_dmabuf
*buf_ptr
;
736 struct lpfc_sli
*psli
= &phba
->sli
;
737 LIST_HEAD(completions
);
739 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
740 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
741 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
744 spin_lock_irq(&phba
->pport
->work_port_lock
);
746 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
748 spin_unlock_irq(&phba
->pport
->work_port_lock
);
749 if (!phba
->hb_outstanding
)
750 mod_timer(&phba
->hb_tmofunc
,
751 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
753 mod_timer(&phba
->hb_tmofunc
,
754 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
757 spin_unlock_irq(&phba
->pport
->work_port_lock
);
759 if (phba
->elsbuf_cnt
&&
760 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
761 spin_lock_irq(&phba
->hbalock
);
762 list_splice_init(&phba
->elsbuf
, &completions
);
763 phba
->elsbuf_cnt
= 0;
764 phba
->elsbuf_prev_cnt
= 0;
765 spin_unlock_irq(&phba
->hbalock
);
767 while (!list_empty(&completions
)) {
768 list_remove_head(&completions
, buf_ptr
,
769 struct lpfc_dmabuf
, list
);
770 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
774 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
776 /* If there is no heart beat outstanding, issue a heartbeat command */
777 if (phba
->cfg_enable_hba_heartbeat
) {
778 if (!phba
->hb_outstanding
) {
779 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
781 mod_timer(&phba
->hb_tmofunc
,
782 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
786 lpfc_heart_beat(phba
, pmboxq
);
787 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
788 pmboxq
->vport
= phba
->pport
;
789 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
791 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
792 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
793 mod_timer(&phba
->hb_tmofunc
,
794 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
797 mod_timer(&phba
->hb_tmofunc
,
798 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
799 phba
->hb_outstanding
= 1;
803 * If heart beat timeout called with hb_outstanding set
804 * we need to take the HBA offline.
806 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
807 "0459 Adapter heartbeat failure, "
808 "taking this port offline.\n");
810 spin_lock_irq(&phba
->hbalock
);
811 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
812 spin_unlock_irq(&phba
->hbalock
);
814 lpfc_offline_prep(phba
);
816 lpfc_unblock_mgmt_io(phba
);
817 phba
->link_state
= LPFC_HBA_ERROR
;
818 lpfc_hba_down_post(phba
);
824 * lpfc_offline_eratt: Bring lpfc offline on hardware error attention.
825 * @phba: pointer to lpfc hba data structure.
827 * This routine is called to bring the HBA offline when HBA hardware error
828 * other than Port Error 6 has been detected.
831 lpfc_offline_eratt(struct lpfc_hba
*phba
)
833 struct lpfc_sli
*psli
= &phba
->sli
;
835 spin_lock_irq(&phba
->hbalock
);
836 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
837 spin_unlock_irq(&phba
->hbalock
);
838 lpfc_offline_prep(phba
);
841 lpfc_reset_barrier(phba
);
842 lpfc_sli_brdreset(phba
);
843 lpfc_hba_down_post(phba
);
844 lpfc_sli_brdready(phba
, HS_MBRDY
);
845 lpfc_unblock_mgmt_io(phba
);
846 phba
->link_state
= LPFC_HBA_ERROR
;
851 * lpfc_handle_eratt: The HBA hardware error handler.
852 * @phba: pointer to lpfc hba data structure.
854 * This routine is invoked to handle the following HBA hardware error
856 * 1 - HBA error attention interrupt
857 * 2 - DMA ring index out of range
858 * 3 - Mailbox command came back as unknown
861 lpfc_handle_eratt(struct lpfc_hba
*phba
)
863 struct lpfc_vport
*vport
= phba
->pport
;
864 struct lpfc_sli
*psli
= &phba
->sli
;
865 struct lpfc_sli_ring
*pring
;
867 unsigned long temperature
;
868 struct temp_event temp_event_data
;
869 struct Scsi_Host
*shost
;
870 struct lpfc_board_event_header board_event
;
872 /* If the pci channel is offline, ignore possible errors,
873 * since we cannot communicate with the pci card anyway. */
874 if (pci_channel_offline(phba
->pcidev
))
876 /* If resets are disabled then leave the HBA alone and return */
877 if (!phba
->cfg_enable_hba_reset
)
880 /* Send an internal error event to mgmt application */
881 board_event
.event_type
= FC_REG_BOARD_EVENT
;
882 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
883 shost
= lpfc_shost_from_vport(phba
->pport
);
884 fc_host_post_vendor_event(shost
, fc_get_event_number(),
886 (char *) &board_event
,
889 if (phba
->work_hs
& HS_FFER6
) {
890 /* Re-establishing Link */
891 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
892 "1301 Re-establishing Link "
893 "Data: x%x x%x x%x\n",
895 phba
->work_status
[0], phba
->work_status
[1]);
897 spin_lock_irq(&phba
->hbalock
);
898 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
899 spin_unlock_irq(&phba
->hbalock
);
902 * Firmware stops when it triggled erratt with HS_FFER6.
903 * That could cause the I/Os dropped by the firmware.
904 * Error iocb (I/O) on txcmplq and let the SCSI layer
905 * retry it after re-establishing link.
907 pring
= &psli
->ring
[psli
->fcp_ring
];
908 lpfc_sli_abort_iocb_ring(phba
, pring
);
911 * There was a firmware error. Take the hba offline and then
912 * attempt to restart it.
914 lpfc_offline_prep(phba
);
916 lpfc_sli_brdrestart(phba
);
917 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
918 lpfc_unblock_mgmt_io(phba
);
921 lpfc_unblock_mgmt_io(phba
);
922 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
923 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
924 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
925 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
926 temp_event_data
.data
= (uint32_t)temperature
;
928 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
929 "0406 Adapter maximum temperature exceeded "
930 "(%ld), taking this port offline "
931 "Data: x%x x%x x%x\n",
932 temperature
, phba
->work_hs
,
933 phba
->work_status
[0], phba
->work_status
[1]);
935 shost
= lpfc_shost_from_vport(phba
->pport
);
936 fc_host_post_vendor_event(shost
, fc_get_event_number(),
937 sizeof(temp_event_data
),
938 (char *) &temp_event_data
,
940 | PCI_VENDOR_ID_EMULEX
);
942 spin_lock_irq(&phba
->hbalock
);
943 phba
->over_temp_state
= HBA_OVER_TEMP
;
944 spin_unlock_irq(&phba
->hbalock
);
945 lpfc_offline_eratt(phba
);
948 /* The if clause above forces this code path when the status
949 * failure is a value other than FFER6. Do not call the offline
950 * twice. This is the adapter hardware error path.
952 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
953 "0457 Adapter Hardware Error "
954 "Data: x%x x%x x%x\n",
956 phba
->work_status
[0], phba
->work_status
[1]);
958 event_data
= FC_REG_DUMP_EVENT
;
959 shost
= lpfc_shost_from_vport(vport
);
960 fc_host_post_vendor_event(shost
, fc_get_event_number(),
961 sizeof(event_data
), (char *) &event_data
,
962 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
964 lpfc_offline_eratt(phba
);
970 * lpfc_handle_latt: The HBA link event handler.
971 * @phba: pointer to lpfc hba data structure.
973 * This routine is invoked from the worker thread to handle a HBA host
974 * attention link event.
977 lpfc_handle_latt(struct lpfc_hba
*phba
)
979 struct lpfc_vport
*vport
= phba
->pport
;
980 struct lpfc_sli
*psli
= &phba
->sli
;
982 volatile uint32_t control
;
983 struct lpfc_dmabuf
*mp
;
986 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
989 goto lpfc_handle_latt_err_exit
;
992 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
995 goto lpfc_handle_latt_free_pmb
;
998 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1001 goto lpfc_handle_latt_free_mp
;
1004 /* Cleanup any outstanding ELS commands */
1005 lpfc_els_flush_all_cmd(phba
);
1007 psli
->slistat
.link_event
++;
1008 lpfc_read_la(phba
, pmb
, mp
);
1009 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
1011 /* Block ELS IOCBs until we have processed this mbox command */
1012 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1013 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1014 if (rc
== MBX_NOT_FINISHED
) {
1016 goto lpfc_handle_latt_free_mbuf
;
1019 /* Clear Link Attention in HA REG */
1020 spin_lock_irq(&phba
->hbalock
);
1021 writel(HA_LATT
, phba
->HAregaddr
);
1022 readl(phba
->HAregaddr
); /* flush */
1023 spin_unlock_irq(&phba
->hbalock
);
1027 lpfc_handle_latt_free_mbuf
:
1028 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1029 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1030 lpfc_handle_latt_free_mp
:
1032 lpfc_handle_latt_free_pmb
:
1033 mempool_free(pmb
, phba
->mbox_mem_pool
);
1034 lpfc_handle_latt_err_exit
:
1035 /* Enable Link attention interrupts */
1036 spin_lock_irq(&phba
->hbalock
);
1037 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1038 control
= readl(phba
->HCregaddr
);
1039 control
|= HC_LAINT_ENA
;
1040 writel(control
, phba
->HCregaddr
);
1041 readl(phba
->HCregaddr
); /* flush */
1043 /* Clear Link Attention in HA REG */
1044 writel(HA_LATT
, phba
->HAregaddr
);
1045 readl(phba
->HAregaddr
); /* flush */
1046 spin_unlock_irq(&phba
->hbalock
);
1047 lpfc_linkdown(phba
);
1048 phba
->link_state
= LPFC_HBA_ERROR
;
1050 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1051 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1057 * lpfc_parse_vpd: Parse VPD (Vital Product Data).
1058 * @phba: pointer to lpfc hba data structure.
1059 * @vpd: pointer to the vital product data.
1060 * @len: length of the vital product data in bytes.
1062 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1063 * an array of characters. In this routine, the ModelName, ProgramType, and
1064 * ModelDesc, etc. fields of the phba data structure will be populated.
1067 * 0 - pointer to the VPD passed in is NULL
1071 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1073 uint8_t lenlo
, lenhi
;
1083 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1084 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1085 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1087 while (!finished
&& (index
< (len
- 4))) {
1088 switch (vpd
[index
]) {
1096 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1105 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1106 if (Length
> len
- index
)
1107 Length
= len
- index
;
1108 while (Length
> 0) {
1109 /* Look for Serial Number */
1110 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1117 phba
->SerialNumber
[j
++] = vpd
[index
++];
1121 phba
->SerialNumber
[j
] = 0;
1124 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1125 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1132 phba
->ModelDesc
[j
++] = vpd
[index
++];
1136 phba
->ModelDesc
[j
] = 0;
1139 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1140 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1147 phba
->ModelName
[j
++] = vpd
[index
++];
1151 phba
->ModelName
[j
] = 0;
1154 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1155 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1162 phba
->ProgramType
[j
++] = vpd
[index
++];
1166 phba
->ProgramType
[j
] = 0;
1169 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1170 phba
->vpd_flag
|= VPD_PORT
;
1177 phba
->Port
[j
++] = vpd
[index
++];
1207 * lpfc_get_hba_model_desc: Retrieve HBA device model name and description.
1208 * @phba: pointer to lpfc hba data structure.
1209 * @mdp: pointer to the data structure to hold the derived model name.
1210 * @descp: pointer to the data structure to hold the derived description.
1212 * This routine retrieves HBA's description based on its registered PCI device
1213 * ID. The @descp passed into this function points to an array of 256 chars. It
1214 * shall be returned with the model name, maximum speed, and the host bus type.
1215 * The @mdp passed into this function points to an array of 80 chars. When the
1216 * function returns, the @mdp will be filled with the model name.
1219 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1222 uint16_t dev_id
= phba
->pcidev
->device
;
1229 } m
= {"<Unknown>", 0, ""};
1231 if (mdp
&& mdp
[0] != '\0'
1232 && descp
&& descp
[0] != '\0')
1235 if (phba
->lmt
& LMT_10Gb
)
1237 else if (phba
->lmt
& LMT_8Gb
)
1239 else if (phba
->lmt
& LMT_4Gb
)
1241 else if (phba
->lmt
& LMT_2Gb
)
1249 case PCI_DEVICE_ID_FIREFLY
:
1250 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
1252 case PCI_DEVICE_ID_SUPERFLY
:
1253 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1254 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1256 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1258 case PCI_DEVICE_ID_DRAGONFLY
:
1259 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1261 case PCI_DEVICE_ID_CENTAUR
:
1262 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1263 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1265 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1267 case PCI_DEVICE_ID_RFLY
:
1268 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1270 case PCI_DEVICE_ID_PEGASUS
:
1271 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1273 case PCI_DEVICE_ID_THOR
:
1274 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1276 case PCI_DEVICE_ID_VIPER
:
1277 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1279 case PCI_DEVICE_ID_PFLY
:
1280 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1282 case PCI_DEVICE_ID_TFLY
:
1283 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1285 case PCI_DEVICE_ID_HELIOS
:
1286 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1288 case PCI_DEVICE_ID_HELIOS_SCSP
:
1289 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1291 case PCI_DEVICE_ID_HELIOS_DCSP
:
1292 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1294 case PCI_DEVICE_ID_NEPTUNE
:
1295 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1297 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1298 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1300 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1301 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1303 case PCI_DEVICE_ID_BMID
:
1304 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1306 case PCI_DEVICE_ID_BSMB
:
1307 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1309 case PCI_DEVICE_ID_ZEPHYR
:
1310 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1312 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1313 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1315 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1316 m
= (typeof(m
)){"LPe11002-SP", max_speed
, "PCIe"};
1318 case PCI_DEVICE_ID_ZMID
:
1319 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1321 case PCI_DEVICE_ID_ZSMB
:
1322 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1324 case PCI_DEVICE_ID_LP101
:
1325 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1327 case PCI_DEVICE_ID_LP10000S
:
1328 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1330 case PCI_DEVICE_ID_LP11000S
:
1331 m
= (typeof(m
)){"LP11000-S", max_speed
,
1334 case PCI_DEVICE_ID_LPE11000S
:
1335 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1338 case PCI_DEVICE_ID_SAT
:
1339 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1341 case PCI_DEVICE_ID_SAT_MID
:
1342 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1344 case PCI_DEVICE_ID_SAT_SMB
:
1345 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1347 case PCI_DEVICE_ID_SAT_DCSP
:
1348 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1350 case PCI_DEVICE_ID_SAT_SCSP
:
1351 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1353 case PCI_DEVICE_ID_SAT_S
:
1354 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1356 case PCI_DEVICE_ID_HORNET
:
1357 m
= (typeof(m
)){"LP21000", max_speed
, "PCIe"};
1360 case PCI_DEVICE_ID_PROTEUS_VF
:
1361 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1363 case PCI_DEVICE_ID_PROTEUS_PF
:
1364 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1366 case PCI_DEVICE_ID_PROTEUS_S
:
1367 m
= (typeof(m
)) {"LPemv12002-S", max_speed
, "PCIe IOV"};
1370 m
= (typeof(m
)){ NULL
};
1374 if (mdp
&& mdp
[0] == '\0')
1375 snprintf(mdp
, 79,"%s", m
.name
);
1376 if (descp
&& descp
[0] == '\0')
1377 snprintf(descp
, 255,
1378 "Emulex %s %d%s %s %s",
1379 m
.name
, m
.max_speed
,
1382 (GE
) ? "FCoE Adapter" : "Fibre Channel Adapter");
1386 * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring.
1387 * @phba: pointer to lpfc hba data structure.
1388 * @pring: pointer to a IOCB ring.
1389 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1391 * This routine posts a given number of IOCBs with the associated DMA buffer
1392 * descriptors specified by the cnt argument to the given IOCB ring.
1395 * The number of IOCBs NOT able to be posted to the IOCB ring.
1398 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
1401 struct lpfc_iocbq
*iocb
;
1402 struct lpfc_dmabuf
*mp1
, *mp2
;
1404 cnt
+= pring
->missbufcnt
;
1406 /* While there are buffers to post */
1408 /* Allocate buffer for command iocb */
1409 iocb
= lpfc_sli_get_iocbq(phba
);
1411 pring
->missbufcnt
= cnt
;
1416 /* 2 buffers can be posted per command */
1417 /* Allocate buffer to post */
1418 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1420 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1421 if (!mp1
|| !mp1
->virt
) {
1423 lpfc_sli_release_iocbq(phba
, iocb
);
1424 pring
->missbufcnt
= cnt
;
1428 INIT_LIST_HEAD(&mp1
->list
);
1429 /* Allocate buffer to post */
1431 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1433 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1435 if (!mp2
|| !mp2
->virt
) {
1437 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1439 lpfc_sli_release_iocbq(phba
, iocb
);
1440 pring
->missbufcnt
= cnt
;
1444 INIT_LIST_HEAD(&mp2
->list
);
1449 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1450 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1451 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1452 icmd
->ulpBdeCount
= 1;
1455 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1456 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1457 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1459 icmd
->ulpBdeCount
= 2;
1462 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1465 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1466 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1470 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1474 lpfc_sli_release_iocbq(phba
, iocb
);
1475 pring
->missbufcnt
= cnt
;
1478 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1480 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1482 pring
->missbufcnt
= 0;
1487 * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring.
1488 * @phba: pointer to lpfc hba data structure.
1490 * This routine posts initial receive IOCB buffers to the ELS ring. The
1491 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1495 * 0 - success (currently always success)
1498 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1500 struct lpfc_sli
*psli
= &phba
->sli
;
1502 /* Ring 0, ELS / CT buffers */
1503 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
1504 /* Ring 2 - FCP no buffers needed */
1509 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1512 * lpfc_sha_init: Set up initial array of hash table entries.
1513 * @HashResultPointer: pointer to an array as hash table.
1515 * This routine sets up the initial values to the array of hash table entries
1519 lpfc_sha_init(uint32_t * HashResultPointer
)
1521 HashResultPointer
[0] = 0x67452301;
1522 HashResultPointer
[1] = 0xEFCDAB89;
1523 HashResultPointer
[2] = 0x98BADCFE;
1524 HashResultPointer
[3] = 0x10325476;
1525 HashResultPointer
[4] = 0xC3D2E1F0;
1529 * lpfc_sha_iterate: Iterate initial hash table with the working hash table.
1530 * @HashResultPointer: pointer to an initial/result hash table.
1531 * @HashWorkingPointer: pointer to an working hash table.
1533 * This routine iterates an initial hash table pointed by @HashResultPointer
1534 * with the values from the working hash table pointeed by @HashWorkingPointer.
1535 * The results are putting back to the initial hash table, returned through
1536 * the @HashResultPointer as the result hash table.
1539 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1543 uint32_t A
, B
, C
, D
, E
;
1546 HashWorkingPointer
[t
] =
1548 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1550 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1551 } while (++t
<= 79);
1553 A
= HashResultPointer
[0];
1554 B
= HashResultPointer
[1];
1555 C
= HashResultPointer
[2];
1556 D
= HashResultPointer
[3];
1557 E
= HashResultPointer
[4];
1561 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1562 } else if (t
< 40) {
1563 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1564 } else if (t
< 60) {
1565 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1567 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1569 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1575 } while (++t
<= 79);
1577 HashResultPointer
[0] += A
;
1578 HashResultPointer
[1] += B
;
1579 HashResultPointer
[2] += C
;
1580 HashResultPointer
[3] += D
;
1581 HashResultPointer
[4] += E
;
1586 * lpfc_challenge_key: Create challenge key based on WWPN of the HBA.
1587 * @RandomChallenge: pointer to the entry of host challenge random number array.
1588 * @HashWorking: pointer to the entry of the working hash array.
1590 * This routine calculates the working hash array referred by @HashWorking
1591 * from the challenge random numbers associated with the host, referred by
1592 * @RandomChallenge. The result is put into the entry of the working hash
1593 * array and returned by reference through @HashWorking.
1596 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1598 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1602 * lpfc_hba_init: Perform special handling for LC HBA initialization.
1603 * @phba: pointer to lpfc hba data structure.
1604 * @hbainit: pointer to an array of unsigned 32-bit integers.
1606 * This routine performs the special handling for LC HBA initialization.
1609 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1612 uint32_t *HashWorking
;
1613 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1615 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1619 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1620 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1622 for (t
= 0; t
< 7; t
++)
1623 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1625 lpfc_sha_init(hbainit
);
1626 lpfc_sha_iterate(hbainit
, HashWorking
);
1631 * lpfc_cleanup: Performs vport cleanups before deleting a vport.
1632 * @vport: pointer to a virtual N_Port data structure.
1634 * This routine performs the necessary cleanups before deleting the @vport.
1635 * It invokes the discovery state machine to perform necessary state
1636 * transitions and to release the ndlps associated with the @vport. Note,
1637 * the physical port is treated as @vport 0.
1640 lpfc_cleanup(struct lpfc_vport
*vport
)
1642 struct lpfc_hba
*phba
= vport
->phba
;
1643 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1646 if (phba
->link_state
> LPFC_LINK_DOWN
)
1647 lpfc_port_link_failure(vport
);
1649 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1650 if (!NLP_CHK_NODE_ACT(ndlp
)) {
1651 ndlp
= lpfc_enable_node(vport
, ndlp
,
1652 NLP_STE_UNUSED_NODE
);
1655 spin_lock_irq(&phba
->ndlp_lock
);
1656 NLP_SET_FREE_REQ(ndlp
);
1657 spin_unlock_irq(&phba
->ndlp_lock
);
1658 /* Trigger the release of the ndlp memory */
1662 spin_lock_irq(&phba
->ndlp_lock
);
1663 if (NLP_CHK_FREE_REQ(ndlp
)) {
1664 /* The ndlp should not be in memory free mode already */
1665 spin_unlock_irq(&phba
->ndlp_lock
);
1668 /* Indicate request for freeing ndlp memory */
1669 NLP_SET_FREE_REQ(ndlp
);
1670 spin_unlock_irq(&phba
->ndlp_lock
);
1672 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
1673 ndlp
->nlp_DID
== Fabric_DID
) {
1674 /* Just free up ndlp with Fabric_DID for vports */
1679 if (ndlp
->nlp_type
& NLP_FABRIC
)
1680 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1681 NLP_EVT_DEVICE_RECOVERY
);
1683 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1688 /* At this point, ALL ndlp's should be gone
1689 * because of the previous NLP_EVT_DEVICE_RM.
1690 * Lets wait for this to happen, if needed.
1692 while (!list_empty(&vport
->fc_nodes
)) {
1695 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
1696 "0233 Nodelist not empty\n");
1697 list_for_each_entry_safe(ndlp
, next_ndlp
,
1698 &vport
->fc_nodes
, nlp_listp
) {
1699 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
1701 "0282 did:x%x ndlp:x%p "
1702 "usgmap:x%x refcnt:%d\n",
1703 ndlp
->nlp_DID
, (void *)ndlp
,
1706 &ndlp
->kref
.refcount
));
1711 /* Wait for any activity on ndlps to settle */
1718 * lpfc_stop_vport_timers: Stop all the timers associated with a vport.
1719 * @vport: pointer to a virtual N_Port data structure.
1721 * This routine stops all the timers associated with a @vport. This function
1722 * is invoked before disabling or deleting a @vport. Note that the physical
1723 * port is treated as @vport 0.
1726 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
1728 del_timer_sync(&vport
->els_tmofunc
);
1729 del_timer_sync(&vport
->fc_fdmitmo
);
1730 lpfc_can_disctmo(vport
);
1735 * lpfc_stop_phba_timers: Stop all the timers associated with an HBA.
1736 * @phba: pointer to lpfc hba data structure.
1738 * This routine stops all the timers associated with a HBA. This function is
1739 * invoked before either putting a HBA offline or unloading the driver.
1742 lpfc_stop_phba_timers(struct lpfc_hba
*phba
)
1744 del_timer_sync(&phba
->fcp_poll_timer
);
1745 lpfc_stop_vport_timers(phba
->pport
);
1746 del_timer_sync(&phba
->sli
.mbox_tmo
);
1747 del_timer_sync(&phba
->fabric_block_timer
);
1748 phba
->hb_outstanding
= 0;
1749 del_timer_sync(&phba
->hb_tmofunc
);
1750 del_timer_sync(&phba
->eratt_poll
);
1755 * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked.
1756 * @phba: pointer to lpfc hba data structure.
1758 * This routine marks a HBA's management interface as blocked. Once the HBA's
1759 * management interface is marked as blocked, all the user space access to
1760 * the HBA, whether they are from sysfs interface or libdfc interface will
1761 * all be blocked. The HBA is set to block the management interface when the
1762 * driver prepares the HBA interface for online or offline.
1765 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
1767 unsigned long iflag
;
1769 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1770 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
1771 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1775 * lpfc_online: Initialize and bring a HBA online.
1776 * @phba: pointer to lpfc hba data structure.
1778 * This routine initializes the HBA and brings a HBA online. During this
1779 * process, the management interface is blocked to prevent user space access
1780 * to the HBA interfering with the driver initialization.
1787 lpfc_online(struct lpfc_hba
*phba
)
1789 struct lpfc_vport
*vport
= phba
->pport
;
1790 struct lpfc_vport
**vports
;
1796 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
1799 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1800 "0458 Bring Adapter online\n");
1802 lpfc_block_mgmt_io(phba
);
1804 if (!lpfc_sli_queue_setup(phba
)) {
1805 lpfc_unblock_mgmt_io(phba
);
1809 if (lpfc_sli_hba_setup(phba
)) { /* Initialize the HBA */
1810 lpfc_unblock_mgmt_io(phba
);
1814 vports
= lpfc_create_vport_work_array(phba
);
1816 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1817 struct Scsi_Host
*shost
;
1818 shost
= lpfc_shost_from_vport(vports
[i
]);
1819 spin_lock_irq(shost
->host_lock
);
1820 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
1821 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
1822 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1823 spin_unlock_irq(shost
->host_lock
);
1825 lpfc_destroy_vport_work_array(phba
, vports
);
1827 lpfc_unblock_mgmt_io(phba
);
1832 * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked.
1833 * @phba: pointer to lpfc hba data structure.
1835 * This routine marks a HBA's management interface as not blocked. Once the
1836 * HBA's management interface is marked as not blocked, all the user space
1837 * access to the HBA, whether they are from sysfs interface or libdfc
1838 * interface will be allowed. The HBA is set to block the management interface
1839 * when the driver prepares the HBA interface for online or offline and then
1840 * set to unblock the management interface afterwards.
1843 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
1845 unsigned long iflag
;
1847 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1848 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
1849 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1853 * lpfc_offline_prep: Prepare a HBA to be brought offline.
1854 * @phba: pointer to lpfc hba data structure.
1856 * This routine is invoked to prepare a HBA to be brought offline. It performs
1857 * unregistration login to all the nodes on all vports and flushes the mailbox
1858 * queue to make it ready to be brought offline.
1861 lpfc_offline_prep(struct lpfc_hba
* phba
)
1863 struct lpfc_vport
*vport
= phba
->pport
;
1864 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1865 struct lpfc_vport
**vports
;
1868 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1871 lpfc_block_mgmt_io(phba
);
1873 lpfc_linkdown(phba
);
1875 /* Issue an unreg_login to all nodes on all vports */
1876 vports
= lpfc_create_vport_work_array(phba
);
1877 if (vports
!= NULL
) {
1878 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1879 struct Scsi_Host
*shost
;
1881 if (vports
[i
]->load_flag
& FC_UNLOADING
)
1883 shost
= lpfc_shost_from_vport(vports
[i
]);
1884 list_for_each_entry_safe(ndlp
, next_ndlp
,
1885 &vports
[i
]->fc_nodes
,
1887 if (!NLP_CHK_NODE_ACT(ndlp
))
1889 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
1891 if (ndlp
->nlp_type
& NLP_FABRIC
) {
1892 lpfc_disc_state_machine(vports
[i
], ndlp
,
1893 NULL
, NLP_EVT_DEVICE_RECOVERY
);
1894 lpfc_disc_state_machine(vports
[i
], ndlp
,
1895 NULL
, NLP_EVT_DEVICE_RM
);
1897 spin_lock_irq(shost
->host_lock
);
1898 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
1899 spin_unlock_irq(shost
->host_lock
);
1900 lpfc_unreg_rpi(vports
[i
], ndlp
);
1904 lpfc_destroy_vport_work_array(phba
, vports
);
1906 lpfc_sli_flush_mbox_queue(phba
);
1910 * lpfc_offline: Bring a HBA offline.
1911 * @phba: pointer to lpfc hba data structure.
1913 * This routine actually brings a HBA offline. It stops all the timers
1914 * associated with the HBA, brings down the SLI layer, and eventually
1915 * marks the HBA as in offline state for the upper layer protocol.
1918 lpfc_offline(struct lpfc_hba
*phba
)
1920 struct Scsi_Host
*shost
;
1921 struct lpfc_vport
**vports
;
1924 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1927 /* stop all timers associated with this hba */
1928 lpfc_stop_phba_timers(phba
);
1929 vports
= lpfc_create_vport_work_array(phba
);
1931 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++)
1932 lpfc_stop_vport_timers(vports
[i
]);
1933 lpfc_destroy_vport_work_array(phba
, vports
);
1934 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1935 "0460 Bring Adapter offline\n");
1936 /* Bring down the SLI Layer and cleanup. The HBA is offline
1938 lpfc_sli_hba_down(phba
);
1939 spin_lock_irq(&phba
->hbalock
);
1941 spin_unlock_irq(&phba
->hbalock
);
1942 vports
= lpfc_create_vport_work_array(phba
);
1944 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1945 shost
= lpfc_shost_from_vport(vports
[i
]);
1946 spin_lock_irq(shost
->host_lock
);
1947 vports
[i
]->work_port_events
= 0;
1948 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
1949 spin_unlock_irq(shost
->host_lock
);
1951 lpfc_destroy_vport_work_array(phba
, vports
);
1955 * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists.
1956 * @phba: pointer to lpfc hba data structure.
1958 * This routine is to free all the SCSI buffers and IOCBs from the driver
1959 * list back to kernel. It is called from lpfc_pci_remove_one to free
1960 * the internal resources before the device is removed from the system.
1963 * 0 - successful (for now, it always returns 0)
1966 lpfc_scsi_free(struct lpfc_hba
*phba
)
1968 struct lpfc_scsi_buf
*sb
, *sb_next
;
1969 struct lpfc_iocbq
*io
, *io_next
;
1971 spin_lock_irq(&phba
->hbalock
);
1972 /* Release all the lpfc_scsi_bufs maintained by this host. */
1973 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1974 list_del(&sb
->list
);
1975 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1978 phba
->total_scsi_bufs
--;
1981 /* Release all the lpfc_iocbq entries maintained by this host. */
1982 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1983 list_del(&io
->list
);
1985 phba
->total_iocbq_bufs
--;
1988 spin_unlock_irq(&phba
->hbalock
);
1994 * lpfc_create_port: Create an FC port.
1995 * @phba: pointer to lpfc hba data structure.
1996 * @instance: a unique integer ID to this FC port.
1997 * @dev: pointer to the device data structure.
1999 * This routine creates a FC port for the upper layer protocol. The FC port
2000 * can be created on top of either a physical port or a virtual port provided
2001 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2002 * and associates the FC port created before adding the shost into the SCSI
2006 * @vport - pointer to the virtual N_Port data structure.
2007 * NULL - port create failed.
2010 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2012 struct lpfc_vport
*vport
;
2013 struct Scsi_Host
*shost
;
2016 if (dev
!= &phba
->pcidev
->dev
)
2017 shost
= scsi_host_alloc(&lpfc_vport_template
,
2018 sizeof(struct lpfc_vport
));
2020 shost
= scsi_host_alloc(&lpfc_template
,
2021 sizeof(struct lpfc_vport
));
2025 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2027 vport
->load_flag
|= FC_LOADING
;
2028 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2029 vport
->fc_rscn_flush
= 0;
2031 lpfc_get_vport_cfgparam(vport
);
2032 shost
->unique_id
= instance
;
2033 shost
->max_id
= LPFC_MAX_TARGET
;
2034 shost
->max_lun
= vport
->cfg_max_luns
;
2035 shost
->this_id
= -1;
2036 shost
->max_cmd_len
= 16;
2038 * Set initial can_queue value since 0 is no longer supported and
2039 * scsi_add_host will fail. This will be adjusted later based on the
2040 * max xri value determined in hba setup.
2042 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2043 if (dev
!= &phba
->pcidev
->dev
) {
2044 shost
->transportt
= lpfc_vport_transport_template
;
2045 vport
->port_type
= LPFC_NPIV_PORT
;
2047 shost
->transportt
= lpfc_transport_template
;
2048 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2051 /* Initialize all internally managed lists. */
2052 INIT_LIST_HEAD(&vport
->fc_nodes
);
2053 spin_lock_init(&vport
->work_port_lock
);
2055 init_timer(&vport
->fc_disctmo
);
2056 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2057 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2059 init_timer(&vport
->fc_fdmitmo
);
2060 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2061 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2063 init_timer(&vport
->els_tmofunc
);
2064 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2065 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2067 error
= scsi_add_host(shost
, dev
);
2071 spin_lock_irq(&phba
->hbalock
);
2072 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2073 spin_unlock_irq(&phba
->hbalock
);
2077 scsi_host_put(shost
);
2083 * destroy_port: Destroy an FC port.
2084 * @vport: pointer to an lpfc virtual N_Port data structure.
2086 * This routine destroys a FC port from the upper layer protocol. All the
2087 * resources associated with the port are released.
2090 destroy_port(struct lpfc_vport
*vport
)
2092 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2093 struct lpfc_hba
*phba
= vport
->phba
;
2095 lpfc_debugfs_terminate(vport
);
2096 fc_remove_host(shost
);
2097 scsi_remove_host(shost
);
2099 spin_lock_irq(&phba
->hbalock
);
2100 list_del_init(&vport
->listentry
);
2101 spin_unlock_irq(&phba
->hbalock
);
2103 lpfc_cleanup(vport
);
2108 * lpfc_get_instance: Get a unique integer ID.
2110 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2111 * uses the kernel idr facility to perform the task.
2114 * instance - a unique integer ID allocated as the new instance.
2115 * -1 - lpfc get instance failed.
2118 lpfc_get_instance(void)
2122 /* Assign an unused number */
2123 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2125 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2131 * lpfc_scan_finished: method for SCSI layer to detect whether scan is done.
2132 * @shost: pointer to SCSI host data structure.
2133 * @time: elapsed time of the scan in jiffies.
2135 * This routine is called by the SCSI layer with a SCSI host to determine
2136 * whether the scan host is finished.
2138 * Note: there is no scan_start function as adapter initialization will have
2139 * asynchronously kicked off the link initialization.
2142 * 0 - SCSI host scan is not over yet.
2143 * 1 - SCSI host scan is over.
2145 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2147 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2148 struct lpfc_hba
*phba
= vport
->phba
;
2151 spin_lock_irq(shost
->host_lock
);
2153 if (vport
->load_flag
& FC_UNLOADING
) {
2157 if (time
>= 30 * HZ
) {
2158 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2159 "0461 Scanning longer than 30 "
2160 "seconds. Continuing initialization\n");
2164 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2165 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2166 "0465 Link down longer than 15 "
2167 "seconds. Continuing initialization\n");
2172 if (vport
->port_state
!= LPFC_VPORT_READY
)
2174 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2176 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2178 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2184 spin_unlock_irq(shost
->host_lock
);
2189 * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port.
2190 * @shost: pointer to SCSI host data structure.
2192 * This routine initializes a given SCSI host attributes on a FC port. The
2193 * SCSI host can be either on top of a physical port or a virtual port.
2195 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2197 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2198 struct lpfc_hba
*phba
= vport
->phba
;
2200 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2203 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2204 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2205 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2207 memset(fc_host_supported_fc4s(shost
), 0,
2208 sizeof(fc_host_supported_fc4s(shost
)));
2209 fc_host_supported_fc4s(shost
)[2] = 1;
2210 fc_host_supported_fc4s(shost
)[7] = 1;
2212 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2213 sizeof fc_host_symbolic_name(shost
));
2215 fc_host_supported_speeds(shost
) = 0;
2216 if (phba
->lmt
& LMT_10Gb
)
2217 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2218 if (phba
->lmt
& LMT_8Gb
)
2219 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2220 if (phba
->lmt
& LMT_4Gb
)
2221 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2222 if (phba
->lmt
& LMT_2Gb
)
2223 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2224 if (phba
->lmt
& LMT_1Gb
)
2225 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2227 fc_host_maxframe_size(shost
) =
2228 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2229 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2231 /* This value is also unchanging */
2232 memset(fc_host_active_fc4s(shost
), 0,
2233 sizeof(fc_host_active_fc4s(shost
)));
2234 fc_host_active_fc4s(shost
)[2] = 1;
2235 fc_host_active_fc4s(shost
)[7] = 1;
2237 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2238 spin_lock_irq(shost
->host_lock
);
2239 vport
->load_flag
&= ~FC_LOADING
;
2240 spin_unlock_irq(shost
->host_lock
);
2244 * lpfc_enable_msix: Enable MSI-X interrupt mode.
2245 * @phba: pointer to lpfc hba data structure.
2247 * This routine is invoked to enable the MSI-X interrupt vectors. The kernel
2248 * function pci_enable_msix() is called to enable the MSI-X vectors. Note that
2249 * pci_enable_msix(), once invoked, enables either all or nothing, depending
2250 * on the current availability of PCI vector resources. The device driver is
2251 * responsible for calling the individual request_irq() to register each MSI-X
2252 * vector with a interrupt handler, which is done in this function. Note that
2253 * later when device is unloading, the driver should always call free_irq()
2254 * on all MSI-X vectors it has done request_irq() on before calling
2255 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
2256 * will be left with MSI-X enabled and leaks its vectors.
2260 * other values - error
2263 lpfc_enable_msix(struct lpfc_hba
*phba
)
2268 /* Set up MSI-X multi-message vectors */
2269 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
2270 phba
->msix_entries
[i
].entry
= i
;
2272 /* Configure MSI-X capability structure */
2273 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
2274 ARRAY_SIZE(phba
->msix_entries
));
2276 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2277 "0420 PCI enable MSI-X failed (%d)\n", rc
);
2280 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
2281 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2282 "0477 MSI-X entry[%d]: vector=x%x "
2284 phba
->msix_entries
[i
].vector
,
2285 phba
->msix_entries
[i
].entry
);
2287 * Assign MSI-X vectors to interrupt handlers
2290 /* vector-0 is associated to slow-path handler */
2291 rc
= request_irq(phba
->msix_entries
[0].vector
, &lpfc_sp_intr_handler
,
2292 IRQF_SHARED
, LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
2294 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2295 "0421 MSI-X slow-path request_irq failed "
2300 /* vector-1 is associated to fast-path handler */
2301 rc
= request_irq(phba
->msix_entries
[1].vector
, &lpfc_fp_intr_handler
,
2302 IRQF_SHARED
, LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
2305 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2306 "0429 MSI-X fast-path request_irq failed "
2312 * Configure HBA MSI-X attention conditions to messages
2314 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2318 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2319 "0474 Unable to allocate memory for issuing "
2320 "MBOX_CONFIG_MSI command\n");
2323 rc
= lpfc_config_msi(phba
, pmb
);
2326 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
2327 if (rc
!= MBX_SUCCESS
) {
2328 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
2329 "0351 Config MSI mailbox command failed, "
2330 "mbxCmd x%x, mbxStatus x%x\n",
2331 pmb
->mb
.mbxCommand
, pmb
->mb
.mbxStatus
);
2335 /* Free memory allocated for mailbox command */
2336 mempool_free(pmb
, phba
->mbox_mem_pool
);
2340 /* Free memory allocated for mailbox command */
2341 mempool_free(pmb
, phba
->mbox_mem_pool
);
2344 /* free the irq already requested */
2345 free_irq(phba
->msix_entries
[1].vector
, phba
);
2348 /* free the irq already requested */
2349 free_irq(phba
->msix_entries
[0].vector
, phba
);
2352 /* Unconfigure MSI-X capability structure */
2353 pci_disable_msix(phba
->pcidev
);
2358 * lpfc_disable_msix: Disable MSI-X interrupt mode.
2359 * @phba: pointer to lpfc hba data structure.
2361 * This routine is invoked to release the MSI-X vectors and then disable the
2362 * MSI-X interrupt mode.
2365 lpfc_disable_msix(struct lpfc_hba
*phba
)
2369 /* Free up MSI-X multi-message vectors */
2370 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
2371 free_irq(phba
->msix_entries
[i
].vector
, phba
);
2373 pci_disable_msix(phba
->pcidev
);
2377 * lpfc_enable_msi: Enable MSI interrupt mode.
2378 * @phba: pointer to lpfc hba data structure.
2380 * This routine is invoked to enable the MSI interrupt mode. The kernel
2381 * function pci_enable_msi() is called to enable the MSI vector. The
2382 * device driver is responsible for calling the request_irq() to register
2383 * MSI vector with a interrupt the handler, which is done in this function.
2387 * other values - error
2390 lpfc_enable_msi(struct lpfc_hba
*phba
)
2394 rc
= pci_enable_msi(phba
->pcidev
);
2396 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2397 "0462 PCI enable MSI mode success.\n");
2399 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2400 "0471 PCI enable MSI mode failed (%d)\n", rc
);
2404 rc
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
,
2405 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
2407 pci_disable_msi(phba
->pcidev
);
2408 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2409 "0478 MSI request_irq failed (%d)\n", rc
);
2415 * lpfc_disable_msi: Disable MSI interrupt mode.
2416 * @phba: pointer to lpfc hba data structure.
2418 * This routine is invoked to disable the MSI interrupt mode. The driver
2419 * calls free_irq() on MSI vector it has done request_irq() on before
2420 * calling pci_disable_msi(). Failure to do so results in a BUG_ON() and
2421 * a device will be left with MSI enabled and leaks its vector.
2425 lpfc_disable_msi(struct lpfc_hba
*phba
)
2427 free_irq(phba
->pcidev
->irq
, phba
);
2428 pci_disable_msi(phba
->pcidev
);
2433 * lpfc_log_intr_mode: Log the active interrupt mode
2434 * @phba: pointer to lpfc hba data structure.
2435 * @intr_mode: active interrupt mode adopted.
2437 * This routine it invoked to log the currently used active interrupt mode
2441 lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
2443 switch (intr_mode
) {
2445 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2446 "0470 Enable INTx interrupt mode.\n");
2449 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2450 "0481 Enabled MSI interrupt mode.\n");
2453 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2454 "0480 Enabled MSI-X interrupt mode.\n");
2457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2458 "0482 Illegal interrupt mode.\n");
2465 lpfc_stop_port(struct lpfc_hba
*phba
)
2467 /* Clear all interrupt enable conditions */
2468 writel(0, phba
->HCregaddr
);
2469 readl(phba
->HCregaddr
); /* flush */
2470 /* Clear all pending interrupts */
2471 writel(0xffffffff, phba
->HAregaddr
);
2472 readl(phba
->HAregaddr
); /* flush */
2474 /* Reset some HBA SLI setup states */
2475 lpfc_stop_phba_timers(phba
);
2476 phba
->pport
->work_port_events
= 0;
2482 * lpfc_enable_intr: Enable device interrupt.
2483 * @phba: pointer to lpfc hba data structure.
2485 * This routine is invoked to enable device interrupt and associate driver's
2486 * interrupt handler(s) to interrupt vector(s). Depends on the interrupt
2487 * mode configured to the driver, the driver will try to fallback from the
2488 * configured interrupt mode to an interrupt mode which is supported by the
2489 * platform, kernel, and device in the order of: MSI-X -> MSI -> IRQ.
2493 * other values - error
2496 lpfc_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
2498 uint32_t intr_mode
= LPFC_INTR_ERROR
;
2501 if (cfg_mode
== 2) {
2502 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
2503 retval
= lpfc_sli_config_port(phba
, 3);
2505 /* Now, try to enable MSI-X interrupt mode */
2506 retval
= lpfc_enable_msix(phba
);
2508 /* Indicate initialization to MSI-X mode */
2509 phba
->intr_type
= MSIX
;
2515 /* Fallback to MSI if MSI-X initialization failed */
2516 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
2517 retval
= lpfc_enable_msi(phba
);
2519 /* Indicate initialization to MSI mode */
2520 phba
->intr_type
= MSI
;
2525 /* Fallback to INTx if both MSI-X/MSI initalization failed */
2526 if (phba
->intr_type
== NONE
) {
2527 retval
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
,
2528 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
2530 /* Indicate initialization to INTx mode */
2531 phba
->intr_type
= INTx
;
2539 * lpfc_disable_intr: Disable device interrupt.
2540 * @phba: pointer to lpfc hba data structure.
2542 * This routine is invoked to disable device interrupt and disassociate the
2543 * driver's interrupt handler(s) from interrupt vector(s). Depending on the
2544 * interrupt mode, the driver will release the interrupt vector(s) for the
2545 * message signaled interrupt.
2548 lpfc_disable_intr(struct lpfc_hba
*phba
)
2550 /* Disable the currently initialized interrupt mode */
2551 if (phba
->intr_type
== MSIX
)
2552 lpfc_disable_msix(phba
);
2553 else if (phba
->intr_type
== MSI
)
2554 lpfc_disable_msi(phba
);
2555 else if (phba
->intr_type
== INTx
)
2556 free_irq(phba
->pcidev
->irq
, phba
);
2558 /* Reset interrupt management states */
2559 phba
->intr_type
= NONE
;
2560 phba
->sli
.slistat
.sli_intr
= 0;
2566 * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem.
2567 * @pdev: pointer to PCI device
2568 * @pid: pointer to PCI device identifier
2570 * This routine is to be registered to the kernel's PCI subsystem. When an
2571 * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at
2572 * PCI device-specific information of the device and driver to see if the
2573 * driver state that it can support this kind of device. If the match is
2574 * successful, the driver core invokes this routine. If this routine
2575 * determines it can claim the HBA, it does all the initialization that it
2576 * needs to do to handle the HBA properly.
2579 * 0 - driver can claim the device
2580 * negative value - driver can not claim the device
2582 static int __devinit
2583 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
2585 struct lpfc_vport
*vport
= NULL
;
2586 struct lpfc_hba
*phba
;
2587 struct lpfc_sli
*psli
;
2588 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
2589 struct Scsi_Host
*shost
= NULL
;
2591 unsigned long bar0map_len
, bar2map_len
;
2592 int error
= -ENODEV
, retval
;
2595 uint32_t cfg_mode
, intr_mode
;
2596 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
2597 struct lpfc_adapter_event_header adapter_event
;
2599 if (pci_enable_device_mem(pdev
))
2601 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
2602 goto out_disable_device
;
2604 phba
= kzalloc(sizeof (struct lpfc_hba
), GFP_KERNEL
);
2606 goto out_release_regions
;
2608 atomic_set(&phba
->fast_event_count
, 0);
2609 spin_lock_init(&phba
->hbalock
);
2611 /* Initialize ndlp management spinlock */
2612 spin_lock_init(&phba
->ndlp_lock
);
2614 phba
->pcidev
= pdev
;
2616 /* Assign an unused board number */
2617 if ((phba
->brd_no
= lpfc_get_instance()) < 0)
2620 INIT_LIST_HEAD(&phba
->port_list
);
2621 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
2623 * Get all the module params for configuring this host and then
2624 * establish the host.
2626 lpfc_get_cfgparam(phba
);
2627 phba
->max_vpi
= LPFC_MAX_VPI
;
2629 /* Initialize timers used by driver */
2630 init_timer(&phba
->hb_tmofunc
);
2631 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
2632 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
2635 init_timer(&psli
->mbox_tmo
);
2636 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
2637 psli
->mbox_tmo
.data
= (unsigned long) phba
;
2638 init_timer(&phba
->fcp_poll_timer
);
2639 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
2640 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
2641 init_timer(&phba
->fabric_block_timer
);
2642 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
2643 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
2644 init_timer(&phba
->eratt_poll
);
2645 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
2646 phba
->eratt_poll
.data
= (unsigned long) phba
;
2648 pci_set_master(pdev
);
2649 pci_save_state(pdev
);
2650 pci_try_set_mwi(pdev
);
2652 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
2653 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
2654 goto out_idr_remove
;
2657 * Get the bus address of Bar0 and Bar2 and the number of bytes
2658 * required by each mapping.
2660 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
2661 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
2663 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
2664 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
2666 /* Map HBA SLIM to a kernel virtual address. */
2667 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
2668 if (!phba
->slim_memmap_p
) {
2670 dev_printk(KERN_ERR
, &pdev
->dev
,
2671 "ioremap failed for SLIM memory.\n");
2672 goto out_idr_remove
;
2675 /* Map HBA Control Registers to a kernel virtual address. */
2676 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
2677 if (!phba
->ctrl_regs_memmap_p
) {
2679 dev_printk(KERN_ERR
, &pdev
->dev
,
2680 "ioremap failed for HBA control registers.\n");
2681 goto out_iounmap_slim
;
2684 /* Allocate memory for SLI-2 structures */
2685 phba
->slim2p
.virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
2689 if (!phba
->slim2p
.virt
)
2692 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
2693 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
2694 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
2695 phba
->IOCBs
= (phba
->slim2p
.virt
+
2696 offsetof(struct lpfc_sli2_slim
, IOCBs
));
2698 phba
->hbqslimp
.virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
2699 lpfc_sli_hbq_size(),
2700 &phba
->hbqslimp
.phys
,
2702 if (!phba
->hbqslimp
.virt
)
2705 hbq_count
= lpfc_sli_hbq_count();
2706 ptr
= phba
->hbqslimp
.virt
;
2707 for (i
= 0; i
< hbq_count
; ++i
) {
2708 phba
->hbqs
[i
].hbq_virt
= ptr
;
2709 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
2710 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
2711 sizeof(struct lpfc_hbq_entry
));
2713 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
2714 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
2716 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
2718 INIT_LIST_HEAD(&phba
->hbqbuf_in_list
);
2720 /* Initialize the SLI Layer to run with lpfc HBAs. */
2721 lpfc_sli_setup(phba
);
2722 lpfc_sli_queue_setup(phba
);
2724 retval
= lpfc_mem_alloc(phba
);
2727 goto out_free_hbqslimp
;
2730 /* Initialize and populate the iocb list per host. */
2731 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
2732 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
2733 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
2734 if (iocbq_entry
== NULL
) {
2735 printk(KERN_ERR
"%s: only allocated %d iocbs of "
2736 "expected %d count. Unloading driver.\n",
2737 __func__
, i
, LPFC_IOCB_LIST_CNT
);
2739 goto out_free_iocbq
;
2742 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
2744 kfree (iocbq_entry
);
2745 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
2746 "Unloading driver.\n",
2749 goto out_free_iocbq
;
2752 spin_lock_irq(&phba
->hbalock
);
2753 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
2754 phba
->total_iocbq_bufs
++;
2755 spin_unlock_irq(&phba
->hbalock
);
2758 /* Initialize HBA structure */
2759 phba
->fc_edtov
= FF_DEF_EDTOV
;
2760 phba
->fc_ratov
= FF_DEF_RATOV
;
2761 phba
->fc_altov
= FF_DEF_ALTOV
;
2762 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
2764 INIT_LIST_HEAD(&phba
->work_list
);
2765 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
2766 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
2768 /* Initialize the wait queue head for the kernel thread */
2769 init_waitqueue_head(&phba
->work_waitq
);
2771 /* Startup the kernel thread for this host adapter. */
2772 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
2773 "lpfc_worker_%d", phba
->brd_no
);
2774 if (IS_ERR(phba
->worker_thread
)) {
2775 error
= PTR_ERR(phba
->worker_thread
);
2776 goto out_free_iocbq
;
2779 /* Initialize the list of scsi buffers used by driver for scsi IO. */
2780 spin_lock_init(&phba
->scsi_buf_list_lock
);
2781 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
2783 /* Initialize list of fabric iocbs */
2784 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
2786 /* Initialize list to save ELS buffers */
2787 INIT_LIST_HEAD(&phba
->elsbuf
);
2789 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
2791 goto out_kthread_stop
;
2793 shost
= lpfc_shost_from_vport(vport
);
2794 phba
->pport
= vport
;
2795 lpfc_debugfs_initialize(vport
);
2797 pci_set_drvdata(pdev
, shost
);
2799 phba
->MBslimaddr
= phba
->slim_memmap_p
;
2800 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
2801 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
2802 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
2803 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
2805 /* Configure sysfs attributes */
2806 if (lpfc_alloc_sysfs_attr(vport
)) {
2807 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2808 "1476 Failed to allocate sysfs attr\n");
2810 goto out_destroy_port
;
2813 cfg_mode
= phba
->cfg_use_msi
;
2815 /* Configure and enable interrupt */
2816 intr_mode
= lpfc_enable_intr(phba
, cfg_mode
);
2817 if (intr_mode
== LPFC_INTR_ERROR
) {
2818 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2819 "0426 Failed to enable interrupt.\n");
2820 goto out_free_sysfs_attr
;
2823 if (lpfc_sli_hba_setup(phba
)) {
2824 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2825 "1477 Failed to set up hba\n");
2827 goto out_remove_device
;
2830 /* Wait 50ms for the interrupts of previous mailbox commands */
2832 /* Check active interrupts received */
2833 if (phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
2834 /* Log the current active interrupt mode */
2835 phba
->intr_mode
= intr_mode
;
2836 lpfc_log_intr_mode(phba
, intr_mode
);
2839 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2840 "0451 Configure interrupt mode (%d) "
2841 "failed active interrupt test.\n",
2843 if (intr_mode
== 0) {
2844 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2845 "0479 Failed to enable "
2848 goto out_remove_device
;
2850 /* Stop HBA SLI setups */
2851 lpfc_stop_port(phba
);
2852 /* Disable the current interrupt mode */
2853 lpfc_disable_intr(phba
);
2854 /* Try next level of interrupt mode */
2855 cfg_mode
= --intr_mode
;
2860 * hba setup may have changed the hba_queue_depth so we need to adjust
2861 * the value of can_queue.
2863 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2865 lpfc_host_attrib_init(shost
);
2867 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
2868 spin_lock_irq(shost
->host_lock
);
2869 lpfc_poll_start_timer(phba
);
2870 spin_unlock_irq(shost
->host_lock
);
2873 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2874 "0428 Perform SCSI scan\n");
2875 /* Send board arrival event to upper layer */
2876 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
2877 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
2878 fc_host_post_vendor_event(shost
, fc_get_event_number(),
2879 sizeof(adapter_event
),
2880 (char *) &adapter_event
,
2886 spin_lock_irq(shost
->host_lock
);
2887 vport
->load_flag
|= FC_UNLOADING
;
2888 spin_unlock_irq(shost
->host_lock
);
2889 lpfc_stop_phba_timers(phba
);
2890 phba
->pport
->work_port_events
= 0;
2891 lpfc_disable_intr(phba
);
2892 out_free_sysfs_attr
:
2893 lpfc_free_sysfs_attr(vport
);
2895 destroy_port(vport
);
2897 kthread_stop(phba
->worker_thread
);
2899 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
2900 &phba
->lpfc_iocb_list
, list
) {
2902 phba
->total_iocbq_bufs
--;
2904 lpfc_mem_free(phba
);
2906 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
2907 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
2909 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
2910 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
2912 iounmap(phba
->ctrl_regs_memmap_p
);
2914 iounmap(phba
->slim_memmap_p
);
2916 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2919 out_release_regions
:
2920 pci_release_selected_regions(pdev
, bars
);
2922 pci_disable_device(pdev
);
2924 pci_set_drvdata(pdev
, NULL
);
2926 scsi_host_put(shost
);
2931 * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem.
2932 * @pdev: pointer to PCI device
2934 * This routine is to be registered to the kernel's PCI subsystem. When an
2935 * Emulex HBA is removed from PCI bus, it performs all the necessary cleanup
2936 * for the HBA device to be removed from the PCI subsystem properly.
2938 static void __devexit
2939 lpfc_pci_remove_one(struct pci_dev
*pdev
)
2941 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2942 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2943 struct lpfc_vport
**vports
;
2944 struct lpfc_hba
*phba
= vport
->phba
;
2946 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
2948 spin_lock_irq(&phba
->hbalock
);
2949 vport
->load_flag
|= FC_UNLOADING
;
2950 spin_unlock_irq(&phba
->hbalock
);
2952 lpfc_free_sysfs_attr(vport
);
2954 kthread_stop(phba
->worker_thread
);
2956 /* Release all the vports against this physical port */
2957 vports
= lpfc_create_vport_work_array(phba
);
2959 for (i
= 1; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++)
2960 fc_vport_terminate(vports
[i
]->fc_vport
);
2961 lpfc_destroy_vport_work_array(phba
, vports
);
2963 /* Remove FC host and then SCSI host with the physical port */
2964 fc_remove_host(shost
);
2965 scsi_remove_host(shost
);
2966 lpfc_cleanup(vport
);
2969 * Bring down the SLI Layer. This step disable all interrupts,
2970 * clears the rings, discards all mailbox commands, and resets
2973 lpfc_sli_hba_down(phba
);
2974 lpfc_sli_brdrestart(phba
);
2976 lpfc_stop_phba_timers(phba
);
2977 spin_lock_irq(&phba
->hbalock
);
2978 list_del_init(&vport
->listentry
);
2979 spin_unlock_irq(&phba
->hbalock
);
2981 lpfc_debugfs_terminate(vport
);
2983 /* Disable interrupt */
2984 lpfc_disable_intr(phba
);
2986 pci_set_drvdata(pdev
, NULL
);
2987 scsi_host_put(shost
);
2990 * Call scsi_free before mem_free since scsi bufs are released to their
2991 * corresponding pools here.
2993 lpfc_scsi_free(phba
);
2994 lpfc_mem_free(phba
);
2996 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
2997 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
2999 /* Free resources associated with SLI2 interface */
3000 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
3001 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
3003 /* unmap adapter SLIM and Control Registers */
3004 iounmap(phba
->ctrl_regs_memmap_p
);
3005 iounmap(phba
->slim_memmap_p
);
3007 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
3011 pci_release_selected_regions(pdev
, bars
);
3012 pci_disable_device(pdev
);
3016 * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management.
3017 * @pdev: pointer to PCI device
3018 * @msg: power management message
3020 * This routine is to be registered to the kernel's PCI subsystem to support
3021 * system Power Management (PM). When PM invokes this method, it quiesces the
3022 * device by stopping the driver's worker thread for the device, turning off
3023 * device's interrupt and DMA, and bring the device offline. Note that as the
3024 * driver implements the minimum PM requirements to a power-aware driver's PM
3025 * support for suspend/resume -- all the possible PM messages (SUSPEND,
3026 * HIBERNATE, FREEZE) to the suspend() method call will be treated as SUSPEND
3027 * and the driver will fully reinitialize its device during resume() method
3028 * call, the driver will set device to PCI_D3hot state in PCI config space
3029 * instead of setting it according to the @msg provided by the PM.
3032 * 0 - driver suspended the device
3036 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
3038 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
3039 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3041 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3042 "0473 PCI device Power Management suspend.\n");
3044 /* Bring down the device */
3045 lpfc_offline_prep(phba
);
3047 kthread_stop(phba
->worker_thread
);
3049 /* Disable interrupt from device */
3050 lpfc_disable_intr(phba
);
3052 /* Save device state to PCI config space */
3053 pci_save_state(pdev
);
3054 pci_set_power_state(pdev
, PCI_D3hot
);
3060 * lpfc_pci_resume_one: lpfc PCI func to resume device for power management.
3061 * @pdev: pointer to PCI device
3063 * This routine is to be registered to the kernel's PCI subsystem to support
3064 * system Power Management (PM). When PM invokes this method, it restores
3065 * the device's PCI config space state and fully reinitializes the device
3066 * and brings it online. Note that as the driver implements the minimum PM
3067 * requirements to a power-aware driver's PM for suspend/resume -- all
3068 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
3069 * method call will be treated as SUSPEND and the driver will fully
3070 * reinitialize its device during resume() method call, the device will be
3071 * set to PCI_D0 directly in PCI config space before restoring the state.
3074 * 0 - driver suspended the device
3078 lpfc_pci_resume_one(struct pci_dev
*pdev
)
3080 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
3081 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3085 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3086 "0452 PCI device Power Management resume.\n");
3088 /* Restore device state from PCI config space */
3089 pci_set_power_state(pdev
, PCI_D0
);
3090 pci_restore_state(pdev
);
3091 if (pdev
->is_busmaster
)
3092 pci_set_master(pdev
);
3094 /* Startup the kernel thread for this host adapter. */
3095 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
3096 "lpfc_worker_%d", phba
->brd_no
);
3097 if (IS_ERR(phba
->worker_thread
)) {
3098 error
= PTR_ERR(phba
->worker_thread
);
3099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3100 "0434 PM resume failed to start worker "
3101 "thread: error=x%x.\n", error
);
3105 /* Configure and enable interrupt */
3106 intr_mode
= lpfc_enable_intr(phba
, phba
->intr_mode
);
3107 if (intr_mode
== LPFC_INTR_ERROR
) {
3108 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3109 "0430 PM resume Failed to enable interrupt\n");
3112 phba
->intr_mode
= intr_mode
;
3114 /* Restart HBA and bring it online */
3115 lpfc_sli_brdrestart(phba
);
3118 /* Log the current active interrupt mode */
3119 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
3125 * lpfc_io_error_detected: Driver method for handling PCI I/O error detected.
3126 * @pdev: pointer to PCI device.
3127 * @state: the current PCI connection state.
3129 * This routine is registered to the PCI subsystem for error handling. This
3130 * function is called by the PCI subsystem after a PCI bus error affecting
3131 * this device has been detected. When this function is invoked, it will
3132 * need to stop all the I/Os and interrupt(s) to the device. Once that is
3133 * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to
3134 * perform proper recovery as desired.
3137 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
3138 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
3140 static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev
*pdev
,
3141 pci_channel_state_t state
)
3143 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
3144 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3145 struct lpfc_sli
*psli
= &phba
->sli
;
3146 struct lpfc_sli_ring
*pring
;
3148 if (state
== pci_channel_io_perm_failure
) {
3149 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3150 "0472 PCI channel I/O permanent failure\n");
3151 /* Block all SCSI devices' I/Os on the host */
3152 lpfc_scsi_dev_block(phba
);
3153 /* Clean up all driver's outstanding SCSI I/Os */
3154 lpfc_sli_flush_fcp_rings(phba
);
3155 return PCI_ERS_RESULT_DISCONNECT
;
3158 pci_disable_device(pdev
);
3160 * There may be I/Os dropped by the firmware.
3161 * Error iocb (I/O) on txcmplq and let the SCSI layer
3162 * retry it after re-establishing link.
3164 pring
= &psli
->ring
[psli
->fcp_ring
];
3165 lpfc_sli_abort_iocb_ring(phba
, pring
);
3167 /* Disable interrupt */
3168 lpfc_disable_intr(phba
);
3170 /* Request a slot reset. */
3171 return PCI_ERS_RESULT_NEED_RESET
;
3175 * lpfc_io_slot_reset: Restart a PCI device from scratch.
3176 * @pdev: pointer to PCI device.
3178 * This routine is registered to the PCI subsystem for error handling. This is
3179 * called after PCI bus has been reset to restart the PCI card from scratch,
3180 * as if from a cold-boot. During the PCI subsystem error recovery, after the
3181 * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform
3182 * proper error recovery and then call this routine before calling the .resume
3183 * method to recover the device. This function will initialize the HBA device,
3184 * enable the interrupt, but it will just put the HBA to offline state without
3185 * passing any I/O traffic.
3188 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
3189 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
3191 static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev
*pdev
)
3193 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
3194 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3195 struct lpfc_sli
*psli
= &phba
->sli
;
3198 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
3199 if (pci_enable_device_mem(pdev
)) {
3200 printk(KERN_ERR
"lpfc: Cannot re-enable "
3201 "PCI device after reset.\n");
3202 return PCI_ERS_RESULT_DISCONNECT
;
3205 pci_restore_state(pdev
);
3206 if (pdev
->is_busmaster
)
3207 pci_set_master(pdev
);
3209 spin_lock_irq(&phba
->hbalock
);
3210 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
3211 spin_unlock_irq(&phba
->hbalock
);
3213 /* Configure and enable interrupt */
3214 intr_mode
= lpfc_enable_intr(phba
, phba
->intr_mode
);
3215 if (intr_mode
== LPFC_INTR_ERROR
) {
3216 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3217 "0427 Cannot re-enable interrupt after "
3219 return PCI_ERS_RESULT_DISCONNECT
;
3221 phba
->intr_mode
= intr_mode
;
3223 /* Take device offline; this will perform cleanup */
3225 lpfc_sli_brdrestart(phba
);
3227 /* Log the current active interrupt mode */
3228 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
3230 return PCI_ERS_RESULT_RECOVERED
;
3234 * lpfc_io_resume: Resume PCI I/O operation.
3235 * @pdev: pointer to PCI device
3237 * This routine is registered to the PCI subsystem for error handling. It is
3238 * called when kernel error recovery tells the lpfc driver that it is ok to
3239 * resume normal PCI operation after PCI bus error recovery. After this call,
3240 * traffic can start to flow from this device again.
3242 static void lpfc_io_resume(struct pci_dev
*pdev
)
3244 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
3245 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3250 static struct pci_device_id lpfc_id_table
[] = {
3251 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
3252 PCI_ANY_ID
, PCI_ANY_ID
, },
3253 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
3254 PCI_ANY_ID
, PCI_ANY_ID
, },
3255 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
3256 PCI_ANY_ID
, PCI_ANY_ID
, },
3257 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
3258 PCI_ANY_ID
, PCI_ANY_ID
, },
3259 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
3260 PCI_ANY_ID
, PCI_ANY_ID
, },
3261 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
3262 PCI_ANY_ID
, PCI_ANY_ID
, },
3263 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
3264 PCI_ANY_ID
, PCI_ANY_ID
, },
3265 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
3266 PCI_ANY_ID
, PCI_ANY_ID
, },
3267 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
3268 PCI_ANY_ID
, PCI_ANY_ID
, },
3269 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
3270 PCI_ANY_ID
, PCI_ANY_ID
, },
3271 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
3272 PCI_ANY_ID
, PCI_ANY_ID
, },
3273 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
3274 PCI_ANY_ID
, PCI_ANY_ID
, },
3275 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
3276 PCI_ANY_ID
, PCI_ANY_ID
, },
3277 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
3278 PCI_ANY_ID
, PCI_ANY_ID
, },
3279 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
3280 PCI_ANY_ID
, PCI_ANY_ID
, },
3281 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
3282 PCI_ANY_ID
, PCI_ANY_ID
, },
3283 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
3284 PCI_ANY_ID
, PCI_ANY_ID
, },
3285 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
3286 PCI_ANY_ID
, PCI_ANY_ID
, },
3287 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
3288 PCI_ANY_ID
, PCI_ANY_ID
, },
3289 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
3290 PCI_ANY_ID
, PCI_ANY_ID
, },
3291 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
3292 PCI_ANY_ID
, PCI_ANY_ID
, },
3293 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
3294 PCI_ANY_ID
, PCI_ANY_ID
, },
3295 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
3296 PCI_ANY_ID
, PCI_ANY_ID
, },
3297 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
3298 PCI_ANY_ID
, PCI_ANY_ID
, },
3299 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
3300 PCI_ANY_ID
, PCI_ANY_ID
, },
3301 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
3302 PCI_ANY_ID
, PCI_ANY_ID
, },
3303 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
3304 PCI_ANY_ID
, PCI_ANY_ID
, },
3305 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
3306 PCI_ANY_ID
, PCI_ANY_ID
, },
3307 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
3308 PCI_ANY_ID
, PCI_ANY_ID
, },
3309 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
3310 PCI_ANY_ID
, PCI_ANY_ID
, },
3311 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
3312 PCI_ANY_ID
, PCI_ANY_ID
, },
3313 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
3314 PCI_ANY_ID
, PCI_ANY_ID
, },
3315 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
3316 PCI_ANY_ID
, PCI_ANY_ID
, },
3317 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
3318 PCI_ANY_ID
, PCI_ANY_ID
, },
3319 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
3320 PCI_ANY_ID
, PCI_ANY_ID
, },
3321 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
3322 PCI_ANY_ID
, PCI_ANY_ID
, },
3323 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
3324 PCI_ANY_ID
, PCI_ANY_ID
, },
3328 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
3330 static struct pci_error_handlers lpfc_err_handler
= {
3331 .error_detected
= lpfc_io_error_detected
,
3332 .slot_reset
= lpfc_io_slot_reset
,
3333 .resume
= lpfc_io_resume
,
3336 static struct pci_driver lpfc_driver
= {
3337 .name
= LPFC_DRIVER_NAME
,
3338 .id_table
= lpfc_id_table
,
3339 .probe
= lpfc_pci_probe_one
,
3340 .remove
= __devexit_p(lpfc_pci_remove_one
),
3341 .suspend
= lpfc_pci_suspend_one
,
3342 .resume
= lpfc_pci_resume_one
,
3343 .err_handler
= &lpfc_err_handler
,
3347 * lpfc_init: lpfc module initialization routine.
3349 * This routine is to be invoked when the lpfc module is loaded into the
3350 * kernel. The special kernel macro module_init() is used to indicate the
3351 * role of this routine to the kernel as lpfc module entry point.
3355 * -ENOMEM - FC attach transport failed
3356 * all others - failed
3363 printk(LPFC_MODULE_DESC
"\n");
3364 printk(LPFC_COPYRIGHT
"\n");
3366 if (lpfc_enable_npiv
) {
3367 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
3368 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
3370 lpfc_transport_template
=
3371 fc_attach_transport(&lpfc_transport_functions
);
3372 if (lpfc_transport_template
== NULL
)
3374 if (lpfc_enable_npiv
) {
3375 lpfc_vport_transport_template
=
3376 fc_attach_transport(&lpfc_vport_transport_functions
);
3377 if (lpfc_vport_transport_template
== NULL
) {
3378 fc_release_transport(lpfc_transport_template
);
3382 error
= pci_register_driver(&lpfc_driver
);
3384 fc_release_transport(lpfc_transport_template
);
3385 if (lpfc_enable_npiv
)
3386 fc_release_transport(lpfc_vport_transport_template
);
3393 * lpfc_exit: lpfc module removal routine.
3395 * This routine is invoked when the lpfc module is removed from the kernel.
3396 * The special kernel macro module_exit() is used to indicate the role of
3397 * this routine to the kernel as lpfc module exit point.
3402 pci_unregister_driver(&lpfc_driver
);
3403 fc_release_transport(lpfc_transport_template
);
3404 if (lpfc_enable_npiv
)
3405 fc_release_transport(lpfc_vport_transport_template
);
3408 module_init(lpfc_init
);
3409 module_exit(lpfc_exit
);
3410 MODULE_LICENSE("GPL");
3411 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
3412 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
3413 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);