1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
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>
39 #include "lpfc_disc.h"
40 #include "lpfc_scsi.h"
42 #include "lpfc_logmsg.h"
43 #include "lpfc_crtn.h"
44 #include "lpfc_vport.h"
45 #include "lpfc_version.h"
47 static int lpfc_parse_vpd(struct lpfc_hba
*, uint8_t *, int);
48 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
49 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
51 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
52 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
53 static DEFINE_IDR(lpfc_hba_index
);
55 /************************************************************************/
57 /* lpfc_config_port_prep */
58 /* This routine will do LPFC initialization prior to the */
59 /* CONFIG_PORT mailbox command. This will be initialized */
60 /* as a SLI layer callback routine. */
61 /* This routine returns 0 on success or -ERESTART if it wants */
62 /* the SLI layer to reset the HBA and try again. Any */
63 /* other return value indicates an error. */
65 /************************************************************************/
67 lpfc_config_port_prep(struct lpfc_hba
*phba
)
69 lpfc_vpd_t
*vp
= &phba
->vpd
;
73 char *lpfc_vpd_data
= NULL
;
75 static char licensed
[56] =
76 "key unlock for use with gnu public licensed code only\0";
77 static int init_key
= 1;
79 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
81 phba
->link_state
= LPFC_HBA_ERROR
;
86 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
88 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
90 uint32_t *ptext
= (uint32_t *) licensed
;
92 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
93 *ptext
= cpu_to_be32(*ptext
);
97 lpfc_read_nv(phba
, pmb
);
98 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
99 sizeof (mb
->un
.varRDnvp
.rsvd3
));
100 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
103 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
105 if (rc
!= MBX_SUCCESS
) {
106 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
107 "0324 Config Port initialization "
108 "error, mbxCmd x%x READ_NVPARM, "
110 mb
->mbxCommand
, mb
->mbxStatus
);
111 mempool_free(pmb
, phba
->mbox_mem_pool
);
114 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
116 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
120 phba
->sli3_options
= 0x0;
122 /* Setup and issue mailbox READ REV command */
123 lpfc_read_rev(phba
, pmb
);
124 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
125 if (rc
!= MBX_SUCCESS
) {
126 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
127 "0439 Adapter failed to init, mbxCmd x%x "
128 "READ_REV, mbxStatus x%x\n",
129 mb
->mbxCommand
, mb
->mbxStatus
);
130 mempool_free( pmb
, phba
->mbox_mem_pool
);
136 * The value of rr must be 1 since the driver set the cv field to 1.
137 * This setting requires the FW to set all revision fields.
139 if (mb
->un
.varRdRev
.rr
== 0) {
141 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
142 "0440 Adapter failed to init, READ_REV has "
143 "missing revision information.\n");
144 mempool_free(pmb
, phba
->mbox_mem_pool
);
148 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
)
151 /* Save information as VPD data */
153 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
154 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
155 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
156 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
157 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
158 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
159 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
160 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
161 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
162 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
163 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
164 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
165 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
166 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
167 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
169 /* If the sli feature level is less then 9, we must
170 * tear down all RPIs and VPIs on link down if NPIV
173 if (vp
->rev
.feaLevelHigh
< 9)
174 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
176 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
177 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
178 sizeof (phba
->RandomData
));
180 /* Get adapter VPD information */
181 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
184 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
186 goto out_free_context2
;
189 lpfc_dump_mem(phba
, pmb
, offset
);
190 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
192 if (rc
!= MBX_SUCCESS
) {
193 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
194 "0441 VPD not present on adapter, "
195 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
196 mb
->mbxCommand
, mb
->mbxStatus
);
197 mb
->un
.varDmp
.word_cnt
= 0;
199 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
200 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
201 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
202 mb
->un
.varDmp
.word_cnt
);
203 offset
+= mb
->un
.varDmp
.word_cnt
;
204 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
205 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
207 kfree(lpfc_vpd_data
);
209 kfree(pmb
->context2
);
211 mempool_free(pmb
, phba
->mbox_mem_pool
);
215 /* Completion handler for config async event mailbox command. */
217 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
219 if (pmboxq
->mb
.mbxStatus
== MBX_SUCCESS
)
220 phba
->temp_sensor_support
= 1;
222 phba
->temp_sensor_support
= 0;
223 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
227 /************************************************************************/
229 /* lpfc_config_port_post */
230 /* This routine will do LPFC initialization after the */
231 /* CONFIG_PORT mailbox command. This will be initialized */
232 /* as a SLI layer callback routine. */
233 /* This routine returns 0 on success. Any other return value */
234 /* indicates an error. */
236 /************************************************************************/
238 lpfc_config_port_post(struct lpfc_hba
*phba
)
240 struct lpfc_vport
*vport
= phba
->pport
;
243 struct lpfc_dmabuf
*mp
;
244 struct lpfc_sli
*psli
= &phba
->sli
;
245 uint32_t status
, timeout
;
249 spin_lock_irq(&phba
->hbalock
);
251 * If the Config port completed correctly the HBA is not
252 * over heated any more.
254 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
255 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
256 spin_unlock_irq(&phba
->hbalock
);
258 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
260 phba
->link_state
= LPFC_HBA_ERROR
;
265 /* Get login parameters for NID. */
266 lpfc_read_sparam(phba
, pmb
, 0);
268 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
269 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
270 "0448 Adapter failed init, mbxCmd x%x "
271 "READ_SPARM mbxStatus x%x\n",
272 mb
->mbxCommand
, mb
->mbxStatus
);
273 phba
->link_state
= LPFC_HBA_ERROR
;
274 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
275 mempool_free( pmb
, phba
->mbox_mem_pool
);
276 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
281 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
283 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
284 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
286 pmb
->context1
= NULL
;
288 if (phba
->cfg_soft_wwnn
)
289 u64_to_wwn(phba
->cfg_soft_wwnn
,
290 vport
->fc_sparam
.nodeName
.u
.wwn
);
291 if (phba
->cfg_soft_wwpn
)
292 u64_to_wwn(phba
->cfg_soft_wwpn
,
293 vport
->fc_sparam
.portName
.u
.wwn
);
294 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
295 sizeof (struct lpfc_name
));
296 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
297 sizeof (struct lpfc_name
));
298 /* If no serial number in VPD data, use low 6 bytes of WWNN */
299 /* This should be consolidated into parse_vpd ? - mr */
300 if (phba
->SerialNumber
[0] == 0) {
303 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
304 for (i
= 0; i
< 12; i
++) {
306 j
= ((status
& 0xf0) >> 4);
308 phba
->SerialNumber
[i
] =
309 (char)((uint8_t) 0x30 + (uint8_t) j
);
311 phba
->SerialNumber
[i
] =
312 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
316 phba
->SerialNumber
[i
] =
317 (char)((uint8_t) 0x30 + (uint8_t) j
);
319 phba
->SerialNumber
[i
] =
320 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
324 lpfc_read_config(phba
, pmb
);
326 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
327 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
328 "0453 Adapter failed to init, mbxCmd x%x "
329 "READ_CONFIG, mbxStatus x%x\n",
330 mb
->mbxCommand
, mb
->mbxStatus
);
331 phba
->link_state
= LPFC_HBA_ERROR
;
332 mempool_free( pmb
, phba
->mbox_mem_pool
);
336 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
337 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
338 phba
->cfg_hba_queue_depth
=
339 mb
->un
.varRdConfig
.max_xri
+ 1;
341 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
343 /* Get the default values for Model Name and Description */
344 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
346 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
347 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
348 && !(phba
->lmt
& LMT_1Gb
))
349 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
350 && !(phba
->lmt
& LMT_2Gb
))
351 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
352 && !(phba
->lmt
& LMT_4Gb
))
353 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
354 && !(phba
->lmt
& LMT_8Gb
))
355 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
356 && !(phba
->lmt
& LMT_10Gb
))) {
357 /* Reset link speed to auto */
358 lpfc_printf_log(phba
, KERN_WARNING
, LOG_LINK_EVENT
,
359 "1302 Invalid speed for this board: "
360 "Reset link speed to auto: x%x\n",
361 phba
->cfg_link_speed
);
362 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
365 phba
->link_state
= LPFC_LINK_DOWN
;
367 /* Only process IOCBs on ELS ring till hba_state is READY */
368 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
369 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
370 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
371 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
372 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
373 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
375 /* Post receive buffers for desired rings */
376 if (phba
->sli_rev
!= 3)
377 lpfc_post_rcv_buf(phba
);
379 /* Enable appropriate host interrupts */
380 spin_lock_irq(&phba
->hbalock
);
381 status
= readl(phba
->HCregaddr
);
382 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
383 if (psli
->num_rings
> 0)
384 status
|= HC_R0INT_ENA
;
385 if (psli
->num_rings
> 1)
386 status
|= HC_R1INT_ENA
;
387 if (psli
->num_rings
> 2)
388 status
|= HC_R2INT_ENA
;
389 if (psli
->num_rings
> 3)
390 status
|= HC_R3INT_ENA
;
392 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
393 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
394 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
396 writel(status
, phba
->HCregaddr
);
397 readl(phba
->HCregaddr
); /* flush */
398 spin_unlock_irq(&phba
->hbalock
);
401 * Setup the ring 0 (els) timeout handler
403 timeout
= phba
->fc_ratov
<< 1;
404 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
405 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
406 phba
->hb_outstanding
= 0;
407 phba
->last_completion_time
= jiffies
;
409 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
410 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
412 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
413 lpfc_set_loopback_flag(phba
);
414 if (rc
!= MBX_SUCCESS
) {
415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
416 "0454 Adapter failed to init, mbxCmd x%x "
417 "INIT_LINK, mbxStatus x%x\n",
418 mb
->mbxCommand
, mb
->mbxStatus
);
420 /* Clear all interrupt enable conditions */
421 writel(0, phba
->HCregaddr
);
422 readl(phba
->HCregaddr
); /* flush */
423 /* Clear all pending interrupts */
424 writel(0xffffffff, phba
->HAregaddr
);
425 readl(phba
->HAregaddr
); /* flush */
427 phba
->link_state
= LPFC_HBA_ERROR
;
429 mempool_free(pmb
, phba
->mbox_mem_pool
);
432 /* MBOX buffer will be freed in mbox compl */
433 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
434 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
435 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
436 pmb
->vport
= phba
->pport
;
437 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
439 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
440 lpfc_printf_log(phba
,
443 "0456 Adapter failed to issue "
444 "ASYNCEVT_ENABLE mbox status x%x \n.",
446 mempool_free(pmb
, phba
->mbox_mem_pool
);
451 /************************************************************************/
453 /* lpfc_hba_down_prep */
454 /* This routine will do LPFC uninitialization before the */
455 /* HBA is reset when bringing down the SLI Layer. This will be */
456 /* initialized as a SLI layer callback routine. */
457 /* This routine returns 0 on success. Any other return value */
458 /* indicates an error. */
460 /************************************************************************/
462 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
464 /* Disable interrupts */
465 writel(0, phba
->HCregaddr
);
466 readl(phba
->HCregaddr
); /* flush */
468 lpfc_cleanup_discovery_resources(phba
->pport
);
472 /************************************************************************/
474 /* lpfc_hba_down_post */
475 /* This routine will do uninitialization after the HBA is reset */
476 /* when bringing down the SLI Layer. */
477 /* This routine returns 0 on success. Any other return value */
478 /* indicates an error. */
480 /************************************************************************/
482 lpfc_hba_down_post(struct lpfc_hba
*phba
)
484 struct lpfc_sli
*psli
= &phba
->sli
;
485 struct lpfc_sli_ring
*pring
;
486 struct lpfc_dmabuf
*mp
, *next_mp
;
487 struct lpfc_iocbq
*iocb
;
489 LIST_HEAD(completions
);
492 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
493 lpfc_sli_hbqbuf_free_all(phba
);
495 /* Cleanup preposted buffers on the ELS ring */
496 pring
= &psli
->ring
[LPFC_ELS_RING
];
497 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
499 pring
->postbufq_cnt
--;
500 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
505 spin_lock_irq(&phba
->hbalock
);
506 for (i
= 0; i
< psli
->num_rings
; i
++) {
507 pring
= &psli
->ring
[i
];
509 /* At this point in time the HBA is either reset or DOA. Either
510 * way, nothing should be on txcmplq as it will NEVER complete.
512 list_splice_init(&pring
->txcmplq
, &completions
);
513 pring
->txcmplq_cnt
= 0;
514 spin_unlock_irq(&phba
->hbalock
);
516 while (!list_empty(&completions
)) {
517 iocb
= list_get_first(&completions
, struct lpfc_iocbq
,
520 list_del_init(&iocb
->list
);
522 if (!iocb
->iocb_cmpl
)
523 lpfc_sli_release_iocbq(phba
, iocb
);
525 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
526 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
527 (iocb
->iocb_cmpl
) (phba
, iocb
, iocb
);
531 lpfc_sli_abort_iocb_ring(phba
, pring
);
532 spin_lock_irq(&phba
->hbalock
);
534 spin_unlock_irq(&phba
->hbalock
);
539 /* HBA heart beat timeout handler */
541 lpfc_hb_timeout(unsigned long ptr
)
543 struct lpfc_hba
*phba
;
546 phba
= (struct lpfc_hba
*)ptr
;
547 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
548 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
))
549 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
550 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
553 wake_up(phba
->work_wait
);
558 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
560 unsigned long drvr_flag
;
562 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
563 phba
->hb_outstanding
= 0;
564 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
566 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
567 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
568 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
569 !(phba
->pport
->load_flag
& FC_UNLOADING
))
570 mod_timer(&phba
->hb_tmofunc
,
571 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
576 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
578 LPFC_MBOXQ_t
*pmboxq
;
579 struct lpfc_dmabuf
*buf_ptr
;
581 struct lpfc_sli
*psli
= &phba
->sli
;
582 LIST_HEAD(completions
);
584 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
585 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
586 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
589 spin_lock_irq(&phba
->pport
->work_port_lock
);
590 /* If the timer is already canceled do nothing */
591 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
)) {
592 spin_unlock_irq(&phba
->pport
->work_port_lock
);
596 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
598 spin_unlock_irq(&phba
->pport
->work_port_lock
);
599 if (!phba
->hb_outstanding
)
600 mod_timer(&phba
->hb_tmofunc
,
601 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
603 mod_timer(&phba
->hb_tmofunc
,
604 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
607 spin_unlock_irq(&phba
->pport
->work_port_lock
);
609 if (phba
->elsbuf_cnt
&&
610 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
611 spin_lock_irq(&phba
->hbalock
);
612 list_splice_init(&phba
->elsbuf
, &completions
);
613 phba
->elsbuf_cnt
= 0;
614 phba
->elsbuf_prev_cnt
= 0;
615 spin_unlock_irq(&phba
->hbalock
);
617 while (!list_empty(&completions
)) {
618 list_remove_head(&completions
, buf_ptr
,
619 struct lpfc_dmabuf
, list
);
620 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
624 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
626 /* If there is no heart beat outstanding, issue a heartbeat command */
627 if (phba
->cfg_enable_hba_heartbeat
) {
628 if (!phba
->hb_outstanding
) {
629 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
631 mod_timer(&phba
->hb_tmofunc
,
632 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
636 lpfc_heart_beat(phba
, pmboxq
);
637 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
638 pmboxq
->vport
= phba
->pport
;
639 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
641 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
642 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
643 mod_timer(&phba
->hb_tmofunc
,
644 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
647 mod_timer(&phba
->hb_tmofunc
,
648 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
649 phba
->hb_outstanding
= 1;
653 * If heart beat timeout called with hb_outstanding set
654 * we need to take the HBA offline.
656 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
657 "0459 Adapter heartbeat failure, "
658 "taking this port offline.\n");
660 spin_lock_irq(&phba
->hbalock
);
661 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
662 spin_unlock_irq(&phba
->hbalock
);
664 lpfc_offline_prep(phba
);
666 lpfc_unblock_mgmt_io(phba
);
667 phba
->link_state
= LPFC_HBA_ERROR
;
668 lpfc_hba_down_post(phba
);
674 lpfc_offline_eratt(struct lpfc_hba
*phba
)
676 struct lpfc_sli
*psli
= &phba
->sli
;
678 spin_lock_irq(&phba
->hbalock
);
679 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
680 spin_unlock_irq(&phba
->hbalock
);
681 lpfc_offline_prep(phba
);
684 lpfc_reset_barrier(phba
);
685 lpfc_sli_brdreset(phba
);
686 lpfc_hba_down_post(phba
);
687 lpfc_sli_brdready(phba
, HS_MBRDY
);
688 lpfc_unblock_mgmt_io(phba
);
689 phba
->link_state
= LPFC_HBA_ERROR
;
693 /************************************************************************/
695 /* lpfc_handle_eratt */
696 /* This routine will handle processing a Host Attention */
697 /* Error Status event. This will be initialized */
698 /* as a SLI layer callback routine. */
700 /************************************************************************/
702 lpfc_handle_eratt(struct lpfc_hba
*phba
)
704 struct lpfc_vport
*vport
= phba
->pport
;
705 struct lpfc_sli
*psli
= &phba
->sli
;
706 struct lpfc_sli_ring
*pring
;
707 struct lpfc_vport
**vports
;
709 unsigned long temperature
;
710 struct temp_event temp_event_data
;
711 struct Scsi_Host
*shost
;
714 /* If the pci channel is offline, ignore possible errors,
715 * since we cannot communicate with the pci card anyway. */
716 if (pci_channel_offline(phba
->pcidev
))
718 /* If resets are disabled then leave the HBA alone and return */
719 if (!phba
->cfg_enable_hba_reset
)
722 if (phba
->work_hs
& HS_FFER6
||
723 phba
->work_hs
& HS_FFER5
) {
724 /* Re-establishing Link */
725 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
726 "1301 Re-establishing Link "
727 "Data: x%x x%x x%x\n",
729 phba
->work_status
[0], phba
->work_status
[1]);
730 vports
= lpfc_create_vport_work_array(phba
);
733 i
<= phba
->max_vpi
&& vports
[i
] != NULL
;
735 shost
= lpfc_shost_from_vport(vports
[i
]);
736 spin_lock_irq(shost
->host_lock
);
737 vports
[i
]->fc_flag
|= FC_ESTABLISH_LINK
;
738 spin_unlock_irq(shost
->host_lock
);
740 lpfc_destroy_vport_work_array(phba
, vports
);
741 spin_lock_irq(&phba
->hbalock
);
742 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
743 spin_unlock_irq(&phba
->hbalock
);
746 * Firmware stops when it triggled erratt with HS_FFER6.
747 * That could cause the I/Os dropped by the firmware.
748 * Error iocb (I/O) on txcmplq and let the SCSI layer
749 * retry it after re-establishing link.
751 pring
= &psli
->ring
[psli
->fcp_ring
];
752 lpfc_sli_abort_iocb_ring(phba
, pring
);
756 * There was a firmware error. Take the hba offline and then
757 * attempt to restart it.
759 lpfc_offline_prep(phba
);
761 lpfc_sli_brdrestart(phba
);
762 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
763 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
764 lpfc_unblock_mgmt_io(phba
);
767 lpfc_unblock_mgmt_io(phba
);
768 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
769 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
770 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
771 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
772 temp_event_data
.data
= (uint32_t)temperature
;
774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
775 "0459 Adapter maximum temperature exceeded "
776 "(%ld), taking this port offline "
777 "Data: x%x x%x x%x\n",
778 temperature
, phba
->work_hs
,
779 phba
->work_status
[0], phba
->work_status
[1]);
781 shost
= lpfc_shost_from_vport(phba
->pport
);
782 fc_host_post_vendor_event(shost
, fc_get_event_number(),
783 sizeof(temp_event_data
),
784 (char *) &temp_event_data
,
786 | PCI_VENDOR_ID_EMULEX
);
788 spin_lock_irq(&phba
->hbalock
);
789 phba
->over_temp_state
= HBA_OVER_TEMP
;
790 spin_unlock_irq(&phba
->hbalock
);
791 lpfc_offline_eratt(phba
);
794 /* The if clause above forces this code path when the status
795 * failure is a value other than FFER6. Do not call the offline
796 * twice. This is the adapter hardware error path.
798 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
799 "0457 Adapter Hardware Error "
800 "Data: x%x x%x x%x\n",
802 phba
->work_status
[0], phba
->work_status
[1]);
804 event_data
= FC_REG_DUMP_EVENT
;
805 shost
= lpfc_shost_from_vport(vport
);
806 fc_host_post_vendor_event(shost
, fc_get_event_number(),
807 sizeof(event_data
), (char *) &event_data
,
808 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
810 lpfc_offline_eratt(phba
);
814 /************************************************************************/
816 /* lpfc_handle_latt */
817 /* This routine will handle processing a Host Attention */
818 /* Link Status event. This will be initialized */
819 /* as a SLI layer callback routine. */
821 /************************************************************************/
823 lpfc_handle_latt(struct lpfc_hba
*phba
)
825 struct lpfc_vport
*vport
= phba
->pport
;
826 struct lpfc_sli
*psli
= &phba
->sli
;
828 volatile uint32_t control
;
829 struct lpfc_dmabuf
*mp
;
832 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
835 goto lpfc_handle_latt_err_exit
;
838 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
841 goto lpfc_handle_latt_free_pmb
;
844 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
847 goto lpfc_handle_latt_free_mp
;
850 /* Cleanup any outstanding ELS commands */
851 lpfc_els_flush_all_cmd(phba
);
853 psli
->slistat
.link_event
++;
854 lpfc_read_la(phba
, pmb
, mp
);
855 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
857 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
858 if (rc
== MBX_NOT_FINISHED
) {
860 goto lpfc_handle_latt_free_mbuf
;
863 /* Clear Link Attention in HA REG */
864 spin_lock_irq(&phba
->hbalock
);
865 writel(HA_LATT
, phba
->HAregaddr
);
866 readl(phba
->HAregaddr
); /* flush */
867 spin_unlock_irq(&phba
->hbalock
);
871 lpfc_handle_latt_free_mbuf
:
872 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
873 lpfc_handle_latt_free_mp
:
875 lpfc_handle_latt_free_pmb
:
876 mempool_free(pmb
, phba
->mbox_mem_pool
);
877 lpfc_handle_latt_err_exit
:
878 /* Enable Link attention interrupts */
879 spin_lock_irq(&phba
->hbalock
);
880 psli
->sli_flag
|= LPFC_PROCESS_LA
;
881 control
= readl(phba
->HCregaddr
);
882 control
|= HC_LAINT_ENA
;
883 writel(control
, phba
->HCregaddr
);
884 readl(phba
->HCregaddr
); /* flush */
886 /* Clear Link Attention in HA REG */
887 writel(HA_LATT
, phba
->HAregaddr
);
888 readl(phba
->HAregaddr
); /* flush */
889 spin_unlock_irq(&phba
->hbalock
);
891 phba
->link_state
= LPFC_HBA_ERROR
;
893 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
894 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
899 /************************************************************************/
902 /* This routine will parse the VPD data */
904 /************************************************************************/
906 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
908 uint8_t lenlo
, lenhi
;
918 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
919 "0455 Vital Product Data: x%x x%x x%x x%x\n",
920 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
922 while (!finished
&& (index
< (len
- 4))) {
923 switch (vpd
[index
]) {
931 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
940 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
941 if (Length
> len
- index
)
942 Length
= len
- index
;
944 /* Look for Serial Number */
945 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
952 phba
->SerialNumber
[j
++] = vpd
[index
++];
956 phba
->SerialNumber
[j
] = 0;
959 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
960 phba
->vpd_flag
|= VPD_MODEL_DESC
;
967 phba
->ModelDesc
[j
++] = vpd
[index
++];
971 phba
->ModelDesc
[j
] = 0;
974 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
975 phba
->vpd_flag
|= VPD_MODEL_NAME
;
982 phba
->ModelName
[j
++] = vpd
[index
++];
986 phba
->ModelName
[j
] = 0;
989 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
990 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
997 phba
->ProgramType
[j
++] = vpd
[index
++];
1001 phba
->ProgramType
[j
] = 0;
1004 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1005 phba
->vpd_flag
|= VPD_PORT
;
1012 phba
->Port
[j
++] = vpd
[index
++];
1042 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1045 uint16_t dev_id
= phba
->pcidev
->device
;
1051 } m
= {"<Unknown>", 0, ""};
1053 if (mdp
&& mdp
[0] != '\0'
1054 && descp
&& descp
[0] != '\0')
1057 if (phba
->lmt
& LMT_10Gb
)
1059 else if (phba
->lmt
& LMT_8Gb
)
1061 else if (phba
->lmt
& LMT_4Gb
)
1063 else if (phba
->lmt
& LMT_2Gb
)
1071 case PCI_DEVICE_ID_FIREFLY
:
1072 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
1074 case PCI_DEVICE_ID_SUPERFLY
:
1075 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1076 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1078 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1080 case PCI_DEVICE_ID_DRAGONFLY
:
1081 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1083 case PCI_DEVICE_ID_CENTAUR
:
1084 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1085 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1087 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1089 case PCI_DEVICE_ID_RFLY
:
1090 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1092 case PCI_DEVICE_ID_PEGASUS
:
1093 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1095 case PCI_DEVICE_ID_THOR
:
1096 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1098 case PCI_DEVICE_ID_VIPER
:
1099 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1101 case PCI_DEVICE_ID_PFLY
:
1102 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1104 case PCI_DEVICE_ID_TFLY
:
1105 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1107 case PCI_DEVICE_ID_HELIOS
:
1108 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1110 case PCI_DEVICE_ID_HELIOS_SCSP
:
1111 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1113 case PCI_DEVICE_ID_HELIOS_DCSP
:
1114 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1116 case PCI_DEVICE_ID_NEPTUNE
:
1117 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1119 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1120 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1122 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1123 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1125 case PCI_DEVICE_ID_BMID
:
1126 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1128 case PCI_DEVICE_ID_BSMB
:
1129 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1131 case PCI_DEVICE_ID_ZEPHYR
:
1132 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1134 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1135 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1137 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1138 m
= (typeof(m
)){"LPe11002-SP", max_speed
, "PCIe"};
1140 case PCI_DEVICE_ID_ZMID
:
1141 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1143 case PCI_DEVICE_ID_ZSMB
:
1144 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1146 case PCI_DEVICE_ID_LP101
:
1147 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1149 case PCI_DEVICE_ID_LP10000S
:
1150 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1152 case PCI_DEVICE_ID_LP11000S
:
1153 m
= (typeof(m
)){"LP11000-S", max_speed
,
1156 case PCI_DEVICE_ID_LPE11000S
:
1157 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1160 case PCI_DEVICE_ID_SAT
:
1161 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1163 case PCI_DEVICE_ID_SAT_MID
:
1164 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1166 case PCI_DEVICE_ID_SAT_SMB
:
1167 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1169 case PCI_DEVICE_ID_SAT_DCSP
:
1170 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1172 case PCI_DEVICE_ID_SAT_SCSP
:
1173 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1175 case PCI_DEVICE_ID_SAT_S
:
1176 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1179 m
= (typeof(m
)){ NULL
};
1183 if (mdp
&& mdp
[0] == '\0')
1184 snprintf(mdp
, 79,"%s", m
.name
);
1185 if (descp
&& descp
[0] == '\0')
1186 snprintf(descp
, 255,
1187 "Emulex %s %dGb %s Fibre Channel Adapter",
1188 m
.name
, m
.max_speed
, m
.bus
);
1191 /**************************************************/
1192 /* lpfc_post_buffer */
1194 /* This routine will post count buffers to the */
1195 /* ring with the QUE_RING_BUF_CN command. This */
1196 /* allows 3 buffers / command to be posted. */
1197 /* Returns the number of buffers NOT posted. */
1198 /**************************************************/
1200 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
,
1204 struct lpfc_iocbq
*iocb
;
1205 struct lpfc_dmabuf
*mp1
, *mp2
;
1207 cnt
+= pring
->missbufcnt
;
1209 /* While there are buffers to post */
1211 /* Allocate buffer for command iocb */
1212 iocb
= lpfc_sli_get_iocbq(phba
);
1214 pring
->missbufcnt
= cnt
;
1219 /* 2 buffers can be posted per command */
1220 /* Allocate buffer to post */
1221 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1223 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1224 if (!mp1
|| !mp1
->virt
) {
1226 lpfc_sli_release_iocbq(phba
, iocb
);
1227 pring
->missbufcnt
= cnt
;
1231 INIT_LIST_HEAD(&mp1
->list
);
1232 /* Allocate buffer to post */
1234 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1236 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1238 if (!mp2
|| !mp2
->virt
) {
1240 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1242 lpfc_sli_release_iocbq(phba
, iocb
);
1243 pring
->missbufcnt
= cnt
;
1247 INIT_LIST_HEAD(&mp2
->list
);
1252 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1253 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1254 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1255 icmd
->ulpBdeCount
= 1;
1258 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1259 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1260 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1262 icmd
->ulpBdeCount
= 2;
1265 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1268 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1269 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1273 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1277 lpfc_sli_release_iocbq(phba
, iocb
);
1278 pring
->missbufcnt
= cnt
;
1281 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1283 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1285 pring
->missbufcnt
= 0;
1289 /************************************************************************/
1291 /* lpfc_post_rcv_buf */
1292 /* This routine post initial rcv buffers to the configured rings */
1294 /************************************************************************/
1296 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1298 struct lpfc_sli
*psli
= &phba
->sli
;
1300 /* Ring 0, ELS / CT buffers */
1301 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1302 /* Ring 2 - FCP no buffers needed */
1307 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1309 /************************************************************************/
1313 /************************************************************************/
1315 lpfc_sha_init(uint32_t * HashResultPointer
)
1317 HashResultPointer
[0] = 0x67452301;
1318 HashResultPointer
[1] = 0xEFCDAB89;
1319 HashResultPointer
[2] = 0x98BADCFE;
1320 HashResultPointer
[3] = 0x10325476;
1321 HashResultPointer
[4] = 0xC3D2E1F0;
1324 /************************************************************************/
1326 /* lpfc_sha_iterate */
1328 /************************************************************************/
1330 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1334 uint32_t A
, B
, C
, D
, E
;
1337 HashWorkingPointer
[t
] =
1339 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1341 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1342 } while (++t
<= 79);
1344 A
= HashResultPointer
[0];
1345 B
= HashResultPointer
[1];
1346 C
= HashResultPointer
[2];
1347 D
= HashResultPointer
[3];
1348 E
= HashResultPointer
[4];
1352 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1353 } else if (t
< 40) {
1354 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1355 } else if (t
< 60) {
1356 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1358 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1360 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1366 } while (++t
<= 79);
1368 HashResultPointer
[0] += A
;
1369 HashResultPointer
[1] += B
;
1370 HashResultPointer
[2] += C
;
1371 HashResultPointer
[3] += D
;
1372 HashResultPointer
[4] += E
;
1376 /************************************************************************/
1378 /* lpfc_challenge_key */
1380 /************************************************************************/
1382 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1384 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1387 /************************************************************************/
1391 /************************************************************************/
1393 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1396 uint32_t *HashWorking
;
1397 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1399 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1403 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1404 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1406 for (t
= 0; t
< 7; t
++)
1407 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1409 lpfc_sha_init(hbainit
);
1410 lpfc_sha_iterate(hbainit
, HashWorking
);
1415 lpfc_cleanup(struct lpfc_vport
*vport
)
1417 struct lpfc_hba
*phba
= vport
->phba
;
1418 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1421 if (phba
->link_state
> LPFC_LINK_DOWN
)
1422 lpfc_port_link_failure(vport
);
1424 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1425 if (ndlp
->nlp_type
& NLP_FABRIC
)
1426 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1427 NLP_EVT_DEVICE_RECOVERY
);
1428 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1432 /* At this point, ALL ndlp's should be gone
1433 * because of the previous NLP_EVT_DEVICE_RM.
1434 * Lets wait for this to happen, if needed.
1436 while (!list_empty(&vport
->fc_nodes
)) {
1439 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
1440 "0233 Nodelist not empty\n");
1444 /* Wait for any activity on ndlps to settle */
1451 lpfc_establish_link_tmo(unsigned long ptr
)
1453 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
1454 struct lpfc_vport
**vports
;
1455 unsigned long iflag
;
1458 /* Re-establishing Link, timer expired */
1459 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1460 "1300 Re-establishing Link, timer expired "
1462 phba
->pport
->fc_flag
, phba
->pport
->port_state
);
1463 vports
= lpfc_create_vport_work_array(phba
);
1465 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1466 struct Scsi_Host
*shost
;
1467 shost
= lpfc_shost_from_vport(vports
[i
]);
1468 spin_lock_irqsave(shost
->host_lock
, iflag
);
1469 vports
[i
]->fc_flag
&= ~FC_ESTABLISH_LINK
;
1470 spin_unlock_irqrestore(shost
->host_lock
, iflag
);
1472 lpfc_destroy_vport_work_array(phba
, vports
);
1476 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
1478 del_timer_sync(&vport
->els_tmofunc
);
1479 del_timer_sync(&vport
->fc_fdmitmo
);
1480 lpfc_can_disctmo(vport
);
1485 lpfc_stop_phba_timers(struct lpfc_hba
*phba
)
1487 del_timer_sync(&phba
->fcp_poll_timer
);
1488 del_timer_sync(&phba
->fc_estabtmo
);
1489 lpfc_stop_vport_timers(phba
->pport
);
1490 del_timer_sync(&phba
->sli
.mbox_tmo
);
1491 del_timer_sync(&phba
->fabric_block_timer
);
1492 phba
->hb_outstanding
= 0;
1493 del_timer_sync(&phba
->hb_tmofunc
);
1498 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
1500 unsigned long iflag
;
1502 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1503 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
1504 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1508 lpfc_online(struct lpfc_hba
*phba
)
1510 struct lpfc_vport
*vport
= phba
->pport
;
1511 struct lpfc_vport
**vports
;
1517 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
1520 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1521 "0458 Bring Adapter online\n");
1523 lpfc_block_mgmt_io(phba
);
1525 if (!lpfc_sli_queue_setup(phba
)) {
1526 lpfc_unblock_mgmt_io(phba
);
1530 if (lpfc_sli_hba_setup(phba
)) { /* Initialize the HBA */
1531 lpfc_unblock_mgmt_io(phba
);
1535 vports
= lpfc_create_vport_work_array(phba
);
1537 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1538 struct Scsi_Host
*shost
;
1539 shost
= lpfc_shost_from_vport(vports
[i
]);
1540 spin_lock_irq(shost
->host_lock
);
1541 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
1542 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
1543 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1544 spin_unlock_irq(shost
->host_lock
);
1546 lpfc_destroy_vport_work_array(phba
, vports
);
1548 lpfc_unblock_mgmt_io(phba
);
1553 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
1555 unsigned long iflag
;
1557 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1558 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
1559 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1563 lpfc_offline_prep(struct lpfc_hba
* phba
)
1565 struct lpfc_vport
*vport
= phba
->pport
;
1566 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1567 struct lpfc_vport
**vports
;
1570 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1573 lpfc_block_mgmt_io(phba
);
1575 lpfc_linkdown(phba
);
1577 /* Issue an unreg_login to all nodes on all vports */
1578 vports
= lpfc_create_vport_work_array(phba
);
1579 if (vports
!= NULL
) {
1580 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1581 struct Scsi_Host
*shost
;
1583 if (vports
[i
]->load_flag
& FC_UNLOADING
)
1585 shost
= lpfc_shost_from_vport(vports
[i
]);
1586 list_for_each_entry_safe(ndlp
, next_ndlp
,
1587 &vports
[i
]->fc_nodes
,
1589 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
1591 if (ndlp
->nlp_type
& NLP_FABRIC
) {
1592 lpfc_disc_state_machine(vports
[i
], ndlp
,
1593 NULL
, NLP_EVT_DEVICE_RECOVERY
);
1594 lpfc_disc_state_machine(vports
[i
], ndlp
,
1595 NULL
, NLP_EVT_DEVICE_RM
);
1597 spin_lock_irq(shost
->host_lock
);
1598 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
1599 spin_unlock_irq(shost
->host_lock
);
1600 lpfc_unreg_rpi(vports
[i
], ndlp
);
1604 lpfc_destroy_vport_work_array(phba
, vports
);
1606 lpfc_sli_flush_mbox_queue(phba
);
1610 lpfc_offline(struct lpfc_hba
*phba
)
1612 struct Scsi_Host
*shost
;
1613 struct lpfc_vport
**vports
;
1616 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1619 /* stop all timers associated with this hba */
1620 lpfc_stop_phba_timers(phba
);
1621 vports
= lpfc_create_vport_work_array(phba
);
1623 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++)
1624 lpfc_stop_vport_timers(vports
[i
]);
1625 lpfc_destroy_vport_work_array(phba
, vports
);
1626 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1627 "0460 Bring Adapter offline\n");
1628 /* Bring down the SLI Layer and cleanup. The HBA is offline
1630 lpfc_sli_hba_down(phba
);
1631 spin_lock_irq(&phba
->hbalock
);
1633 spin_unlock_irq(&phba
->hbalock
);
1634 vports
= lpfc_create_vport_work_array(phba
);
1636 for(i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
1637 shost
= lpfc_shost_from_vport(vports
[i
]);
1638 spin_lock_irq(shost
->host_lock
);
1639 vports
[i
]->work_port_events
= 0;
1640 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
1641 spin_unlock_irq(shost
->host_lock
);
1643 lpfc_destroy_vport_work_array(phba
, vports
);
1646 /******************************************************************************
1647 * Function name: lpfc_scsi_free
1649 * Description: Called from lpfc_pci_remove_one free internal driver resources
1651 ******************************************************************************/
1653 lpfc_scsi_free(struct lpfc_hba
*phba
)
1655 struct lpfc_scsi_buf
*sb
, *sb_next
;
1656 struct lpfc_iocbq
*io
, *io_next
;
1658 spin_lock_irq(&phba
->hbalock
);
1659 /* Release all the lpfc_scsi_bufs maintained by this host. */
1660 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1661 list_del(&sb
->list
);
1662 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1665 phba
->total_scsi_bufs
--;
1668 /* Release all the lpfc_iocbq entries maintained by this host. */
1669 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1670 list_del(&io
->list
);
1672 phba
->total_iocbq_bufs
--;
1675 spin_unlock_irq(&phba
->hbalock
);
1681 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
1683 struct lpfc_vport
*vport
;
1684 struct Scsi_Host
*shost
;
1687 if (dev
!= &phba
->pcidev
->dev
)
1688 shost
= scsi_host_alloc(&lpfc_vport_template
,
1689 sizeof(struct lpfc_vport
));
1691 shost
= scsi_host_alloc(&lpfc_template
,
1692 sizeof(struct lpfc_vport
));
1696 vport
= (struct lpfc_vport
*) shost
->hostdata
;
1699 vport
->load_flag
|= FC_LOADING
;
1700 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1702 lpfc_get_vport_cfgparam(vport
);
1703 shost
->unique_id
= instance
;
1704 shost
->max_id
= LPFC_MAX_TARGET
;
1705 shost
->max_lun
= vport
->cfg_max_luns
;
1706 shost
->this_id
= -1;
1707 shost
->max_cmd_len
= 16;
1709 * Set initial can_queue value since 0 is no longer supported and
1710 * scsi_add_host will fail. This will be adjusted later based on the
1711 * max xri value determined in hba setup.
1713 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1714 if (dev
!= &phba
->pcidev
->dev
) {
1715 shost
->transportt
= lpfc_vport_transport_template
;
1716 vport
->port_type
= LPFC_NPIV_PORT
;
1718 shost
->transportt
= lpfc_transport_template
;
1719 vport
->port_type
= LPFC_PHYSICAL_PORT
;
1722 /* Initialize all internally managed lists. */
1723 INIT_LIST_HEAD(&vport
->fc_nodes
);
1724 spin_lock_init(&vport
->work_port_lock
);
1726 init_timer(&vport
->fc_disctmo
);
1727 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
1728 vport
->fc_disctmo
.data
= (unsigned long)vport
;
1730 init_timer(&vport
->fc_fdmitmo
);
1731 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1732 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
1734 init_timer(&vport
->els_tmofunc
);
1735 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
1736 vport
->els_tmofunc
.data
= (unsigned long)vport
;
1738 error
= scsi_add_host(shost
, dev
);
1742 spin_lock_irq(&phba
->hbalock
);
1743 list_add_tail(&vport
->listentry
, &phba
->port_list
);
1744 spin_unlock_irq(&phba
->hbalock
);
1748 scsi_host_put(shost
);
1754 destroy_port(struct lpfc_vport
*vport
)
1756 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1757 struct lpfc_hba
*phba
= vport
->phba
;
1759 kfree(vport
->vname
);
1761 lpfc_debugfs_terminate(vport
);
1762 fc_remove_host(shost
);
1763 scsi_remove_host(shost
);
1765 spin_lock_irq(&phba
->hbalock
);
1766 list_del_init(&vport
->listentry
);
1767 spin_unlock_irq(&phba
->hbalock
);
1769 lpfc_cleanup(vport
);
1774 lpfc_get_instance(void)
1778 /* Assign an unused number */
1779 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1781 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
1787 * Note: there is no scan_start function as adapter initialization
1788 * will have asynchronously kicked off the link initialization.
1791 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1793 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1794 struct lpfc_hba
*phba
= vport
->phba
;
1797 spin_lock_irq(shost
->host_lock
);
1799 if (vport
->load_flag
& FC_UNLOADING
) {
1803 if (time
>= 30 * HZ
) {
1804 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1805 "0461 Scanning longer than 30 "
1806 "seconds. Continuing initialization\n");
1810 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
1811 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1812 "0465 Link down longer than 15 "
1813 "seconds. Continuing initialization\n");
1818 if (vport
->port_state
!= LPFC_VPORT_READY
)
1820 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
1822 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
1824 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
1830 spin_unlock_irq(shost
->host_lock
);
1834 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
1836 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1837 struct lpfc_hba
*phba
= vport
->phba
;
1839 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1842 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
1843 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
1844 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
1846 memset(fc_host_supported_fc4s(shost
), 0,
1847 sizeof(fc_host_supported_fc4s(shost
)));
1848 fc_host_supported_fc4s(shost
)[2] = 1;
1849 fc_host_supported_fc4s(shost
)[7] = 1;
1851 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
1852 sizeof fc_host_symbolic_name(shost
));
1854 fc_host_supported_speeds(shost
) = 0;
1855 if (phba
->lmt
& LMT_10Gb
)
1856 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
1857 if (phba
->lmt
& LMT_8Gb
)
1858 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
1859 if (phba
->lmt
& LMT_4Gb
)
1860 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
1861 if (phba
->lmt
& LMT_2Gb
)
1862 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
1863 if (phba
->lmt
& LMT_1Gb
)
1864 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
1866 fc_host_maxframe_size(shost
) =
1867 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1868 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
1870 /* This value is also unchanging */
1871 memset(fc_host_active_fc4s(shost
), 0,
1872 sizeof(fc_host_active_fc4s(shost
)));
1873 fc_host_active_fc4s(shost
)[2] = 1;
1874 fc_host_active_fc4s(shost
)[7] = 1;
1876 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
1877 spin_lock_irq(shost
->host_lock
);
1878 vport
->load_flag
&= ~FC_LOADING
;
1879 spin_unlock_irq(shost
->host_lock
);
1882 static int __devinit
1883 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1885 struct lpfc_vport
*vport
= NULL
;
1886 struct lpfc_hba
*phba
;
1887 struct lpfc_sli
*psli
;
1888 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1889 struct Scsi_Host
*shost
= NULL
;
1891 unsigned long bar0map_len
, bar2map_len
;
1892 int error
= -ENODEV
, retval
;
1895 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
1897 if (pci_enable_device_mem(pdev
))
1899 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
1900 goto out_disable_device
;
1902 phba
= kzalloc(sizeof (struct lpfc_hba
), GFP_KERNEL
);
1904 goto out_release_regions
;
1906 spin_lock_init(&phba
->hbalock
);
1908 phba
->pcidev
= pdev
;
1910 /* Assign an unused board number */
1911 if ((phba
->brd_no
= lpfc_get_instance()) < 0)
1914 INIT_LIST_HEAD(&phba
->port_list
);
1916 * Get all the module params for configuring this host and then
1917 * establish the host.
1919 lpfc_get_cfgparam(phba
);
1920 phba
->max_vpi
= LPFC_MAX_VPI
;
1922 /* Initialize timers used by driver */
1923 init_timer(&phba
->fc_estabtmo
);
1924 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1925 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1927 init_timer(&phba
->hb_tmofunc
);
1928 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
1929 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
1932 init_timer(&psli
->mbox_tmo
);
1933 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1934 psli
->mbox_tmo
.data
= (unsigned long) phba
;
1935 init_timer(&phba
->fcp_poll_timer
);
1936 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1937 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
1938 init_timer(&phba
->fabric_block_timer
);
1939 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
1940 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
1942 pci_set_master(pdev
);
1943 pci_try_set_mwi(pdev
);
1945 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1946 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1947 goto out_idr_remove
;
1950 * Get the bus address of Bar0 and Bar2 and the number of bytes
1951 * required by each mapping.
1953 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1954 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1956 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1957 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1959 /* Map HBA SLIM to a kernel virtual address. */
1960 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1961 if (!phba
->slim_memmap_p
) {
1963 dev_printk(KERN_ERR
, &pdev
->dev
,
1964 "ioremap failed for SLIM memory.\n");
1965 goto out_idr_remove
;
1968 /* Map HBA Control Registers to a kernel virtual address. */
1969 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1970 if (!phba
->ctrl_regs_memmap_p
) {
1972 dev_printk(KERN_ERR
, &pdev
->dev
,
1973 "ioremap failed for HBA control registers.\n");
1974 goto out_iounmap_slim
;
1977 /* Allocate memory for SLI-2 structures */
1978 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1979 &phba
->slim2p_mapping
, GFP_KERNEL
);
1983 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1985 phba
->hbqslimp
.virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
1986 lpfc_sli_hbq_size(),
1987 &phba
->hbqslimp
.phys
,
1989 if (!phba
->hbqslimp
.virt
)
1992 hbq_count
= lpfc_sli_hbq_count();
1993 ptr
= phba
->hbqslimp
.virt
;
1994 for (i
= 0; i
< hbq_count
; ++i
) {
1995 phba
->hbqs
[i
].hbq_virt
= ptr
;
1996 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
1997 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
1998 sizeof(struct lpfc_hbq_entry
));
2000 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
2001 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
2003 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
2005 /* Initialize the SLI Layer to run with lpfc HBAs. */
2006 lpfc_sli_setup(phba
);
2007 lpfc_sli_queue_setup(phba
);
2009 retval
= lpfc_mem_alloc(phba
);
2012 goto out_free_hbqslimp
;
2015 /* Initialize and populate the iocb list per host. */
2016 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
2017 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
2018 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
2019 if (iocbq_entry
== NULL
) {
2020 printk(KERN_ERR
"%s: only allocated %d iocbs of "
2021 "expected %d count. Unloading driver.\n",
2022 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
2024 goto out_free_iocbq
;
2027 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
2029 kfree (iocbq_entry
);
2030 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
2031 "Unloading driver.\n",
2034 goto out_free_iocbq
;
2037 spin_lock_irq(&phba
->hbalock
);
2038 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
2039 phba
->total_iocbq_bufs
++;
2040 spin_unlock_irq(&phba
->hbalock
);
2043 /* Initialize HBA structure */
2044 phba
->fc_edtov
= FF_DEF_EDTOV
;
2045 phba
->fc_ratov
= FF_DEF_RATOV
;
2046 phba
->fc_altov
= FF_DEF_ALTOV
;
2047 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
2049 INIT_LIST_HEAD(&phba
->work_list
);
2050 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
2051 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
2053 /* Startup the kernel thread for this host adapter. */
2054 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
2055 "lpfc_worker_%d", phba
->brd_no
);
2056 if (IS_ERR(phba
->worker_thread
)) {
2057 error
= PTR_ERR(phba
->worker_thread
);
2058 goto out_free_iocbq
;
2061 /* Initialize the list of scsi buffers used by driver for scsi IO. */
2062 spin_lock_init(&phba
->scsi_buf_list_lock
);
2063 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
2065 /* Initialize list of fabric iocbs */
2066 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
2068 /* Initialize list to save ELS buffers */
2069 INIT_LIST_HEAD(&phba
->elsbuf
);
2071 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
2073 goto out_kthread_stop
;
2075 shost
= lpfc_shost_from_vport(vport
);
2076 phba
->pport
= vport
;
2077 lpfc_debugfs_initialize(vport
);
2079 pci_set_drvdata(pdev
, shost
);
2081 if (phba
->cfg_use_msi
) {
2082 retval
= pci_enable_msi(phba
->pcidev
);
2084 phba
->using_msi
= 1;
2086 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2087 "0452 Enable MSI failed, continuing "
2091 retval
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, IRQF_SHARED
,
2092 LPFC_DRIVER_NAME
, phba
);
2094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2095 "0451 Enable interrupt handler failed\n");
2097 goto out_disable_msi
;
2100 phba
->MBslimaddr
= phba
->slim_memmap_p
;
2101 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
2102 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
2103 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
2104 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
2106 if (lpfc_alloc_sysfs_attr(vport
)) {
2111 if (lpfc_sli_hba_setup(phba
)) {
2113 goto out_remove_device
;
2117 * hba setup may have changed the hba_queue_depth so we need to adjust
2118 * the value of can_queue.
2120 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2122 lpfc_host_attrib_init(shost
);
2124 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
2125 spin_lock_irq(shost
->host_lock
);
2126 lpfc_poll_start_timer(phba
);
2127 spin_unlock_irq(shost
->host_lock
);
2130 scsi_scan_host(shost
);
2135 lpfc_free_sysfs_attr(vport
);
2136 spin_lock_irq(shost
->host_lock
);
2137 vport
->load_flag
|= FC_UNLOADING
;
2138 spin_unlock_irq(shost
->host_lock
);
2140 lpfc_stop_phba_timers(phba
);
2141 phba
->pport
->work_port_events
= 0;
2142 free_irq(phba
->pcidev
->irq
, phba
);
2144 if (phba
->using_msi
)
2145 pci_disable_msi(phba
->pcidev
);
2146 destroy_port(vport
);
2148 kthread_stop(phba
->worker_thread
);
2150 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
2151 &phba
->lpfc_iocb_list
, list
) {
2153 phba
->total_iocbq_bufs
--;
2155 lpfc_mem_free(phba
);
2157 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
2158 phba
->hbqslimp
.phys
);
2160 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
2161 phba
->slim2p_mapping
);
2163 iounmap(phba
->ctrl_regs_memmap_p
);
2165 iounmap(phba
->slim_memmap_p
);
2167 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2170 out_release_regions
:
2171 pci_release_selected_regions(pdev
, bars
);
2173 pci_disable_device(pdev
);
2175 pci_set_drvdata(pdev
, NULL
);
2177 scsi_host_put(shost
);
2181 static void __devexit
2182 lpfc_pci_remove_one(struct pci_dev
*pdev
)
2184 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2185 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2186 struct lpfc_hba
*phba
= vport
->phba
;
2187 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
2189 spin_lock_irq(&phba
->hbalock
);
2190 vport
->load_flag
|= FC_UNLOADING
;
2191 spin_unlock_irq(&phba
->hbalock
);
2193 kfree(vport
->vname
);
2194 lpfc_free_sysfs_attr(vport
);
2196 kthread_stop(phba
->worker_thread
);
2198 fc_remove_host(shost
);
2199 scsi_remove_host(shost
);
2200 lpfc_cleanup(vport
);
2203 * Bring down the SLI Layer. This step disable all interrupts,
2204 * clears the rings, discards all mailbox commands, and resets
2207 lpfc_sli_hba_down(phba
);
2208 lpfc_sli_brdrestart(phba
);
2210 lpfc_stop_phba_timers(phba
);
2211 spin_lock_irq(&phba
->hbalock
);
2212 list_del_init(&vport
->listentry
);
2213 spin_unlock_irq(&phba
->hbalock
);
2215 lpfc_debugfs_terminate(vport
);
2217 /* Release the irq reservation */
2218 free_irq(phba
->pcidev
->irq
, phba
);
2219 if (phba
->using_msi
)
2220 pci_disable_msi(phba
->pcidev
);
2222 pci_set_drvdata(pdev
, NULL
);
2223 scsi_host_put(shost
);
2226 * Call scsi_free before mem_free since scsi bufs are released to their
2227 * corresponding pools here.
2229 lpfc_scsi_free(phba
);
2230 lpfc_mem_free(phba
);
2232 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
2233 phba
->hbqslimp
.phys
);
2235 /* Free resources associated with SLI2 interface */
2236 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
2237 phba
->slim2p
, phba
->slim2p_mapping
);
2239 /* unmap adapter SLIM and Control Registers */
2240 iounmap(phba
->ctrl_regs_memmap_p
);
2241 iounmap(phba
->slim_memmap_p
);
2243 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2247 pci_release_selected_regions(pdev
, bars
);
2248 pci_disable_device(pdev
);
2252 * lpfc_io_error_detected - called when PCI error is detected
2253 * @pdev: Pointer to PCI device
2254 * @state: The current pci conneection state
2256 * This function is called after a PCI bus error affecting
2257 * this device has been detected.
2259 static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev
*pdev
,
2260 pci_channel_state_t state
)
2262 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2263 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2264 struct lpfc_sli
*psli
= &phba
->sli
;
2265 struct lpfc_sli_ring
*pring
;
2267 if (state
== pci_channel_io_perm_failure
)
2268 return PCI_ERS_RESULT_DISCONNECT
;
2270 pci_disable_device(pdev
);
2272 * There may be I/Os dropped by the firmware.
2273 * Error iocb (I/O) on txcmplq and let the SCSI layer
2274 * retry it after re-establishing link.
2276 pring
= &psli
->ring
[psli
->fcp_ring
];
2277 lpfc_sli_abort_iocb_ring(phba
, pring
);
2279 /* Release the irq reservation */
2280 free_irq(phba
->pcidev
->irq
, phba
);
2281 if (phba
->using_msi
)
2282 pci_disable_msi(phba
->pcidev
);
2284 /* Request a slot reset. */
2285 return PCI_ERS_RESULT_NEED_RESET
;
2289 * lpfc_io_slot_reset - called after the pci bus has been reset.
2290 * @pdev: Pointer to PCI device
2292 * Restart the card from scratch, as if from a cold-boot.
2294 static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev
*pdev
)
2296 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2297 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2298 struct lpfc_sli
*psli
= &phba
->sli
;
2300 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
2301 if (pci_enable_device_mem(pdev
)) {
2302 printk(KERN_ERR
"lpfc: Cannot re-enable "
2303 "PCI device after reset.\n");
2304 return PCI_ERS_RESULT_DISCONNECT
;
2307 pci_set_master(pdev
);
2309 /* Re-establishing Link */
2310 spin_lock_irq(shost
->host_lock
);
2311 phba
->pport
->fc_flag
|= FC_ESTABLISH_LINK
;
2312 spin_unlock_irq(shost
->host_lock
);
2314 spin_lock_irq(&phba
->hbalock
);
2315 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
2316 spin_unlock_irq(&phba
->hbalock
);
2319 /* Take device offline; this will perform cleanup */
2321 lpfc_sli_brdrestart(phba
);
2323 return PCI_ERS_RESULT_RECOVERED
;
2327 * lpfc_io_resume - called when traffic can start flowing again.
2328 * @pdev: Pointer to PCI device
2330 * This callback is called when the error recovery driver tells us that
2331 * its OK to resume normal operation.
2333 static void lpfc_io_resume(struct pci_dev
*pdev
)
2335 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2336 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2338 if (lpfc_online(phba
) == 0) {
2339 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
2343 static struct pci_device_id lpfc_id_table
[] = {
2344 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
2345 PCI_ANY_ID
, PCI_ANY_ID
, },
2346 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
2347 PCI_ANY_ID
, PCI_ANY_ID
, },
2348 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
2349 PCI_ANY_ID
, PCI_ANY_ID
, },
2350 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
2351 PCI_ANY_ID
, PCI_ANY_ID
, },
2352 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
2353 PCI_ANY_ID
, PCI_ANY_ID
, },
2354 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
2355 PCI_ANY_ID
, PCI_ANY_ID
, },
2356 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
2357 PCI_ANY_ID
, PCI_ANY_ID
, },
2358 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
2359 PCI_ANY_ID
, PCI_ANY_ID
, },
2360 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
2361 PCI_ANY_ID
, PCI_ANY_ID
, },
2362 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
2363 PCI_ANY_ID
, PCI_ANY_ID
, },
2364 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
2365 PCI_ANY_ID
, PCI_ANY_ID
, },
2366 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
2367 PCI_ANY_ID
, PCI_ANY_ID
, },
2368 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
2369 PCI_ANY_ID
, PCI_ANY_ID
, },
2370 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
2371 PCI_ANY_ID
, PCI_ANY_ID
, },
2372 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
2373 PCI_ANY_ID
, PCI_ANY_ID
, },
2374 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
2375 PCI_ANY_ID
, PCI_ANY_ID
, },
2376 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
2377 PCI_ANY_ID
, PCI_ANY_ID
, },
2378 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
2379 PCI_ANY_ID
, PCI_ANY_ID
, },
2380 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
2381 PCI_ANY_ID
, PCI_ANY_ID
, },
2382 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
2383 PCI_ANY_ID
, PCI_ANY_ID
, },
2384 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
2385 PCI_ANY_ID
, PCI_ANY_ID
, },
2386 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
2387 PCI_ANY_ID
, PCI_ANY_ID
, },
2388 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
2389 PCI_ANY_ID
, PCI_ANY_ID
, },
2390 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
2391 PCI_ANY_ID
, PCI_ANY_ID
, },
2392 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
2393 PCI_ANY_ID
, PCI_ANY_ID
, },
2394 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
2395 PCI_ANY_ID
, PCI_ANY_ID
, },
2396 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
2397 PCI_ANY_ID
, PCI_ANY_ID
, },
2398 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
2399 PCI_ANY_ID
, PCI_ANY_ID
, },
2400 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
2401 PCI_ANY_ID
, PCI_ANY_ID
, },
2402 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
2403 PCI_ANY_ID
, PCI_ANY_ID
, },
2404 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
2405 PCI_ANY_ID
, PCI_ANY_ID
, },
2406 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
2407 PCI_ANY_ID
, PCI_ANY_ID
, },
2408 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
2409 PCI_ANY_ID
, PCI_ANY_ID
, },
2413 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
2415 static struct pci_error_handlers lpfc_err_handler
= {
2416 .error_detected
= lpfc_io_error_detected
,
2417 .slot_reset
= lpfc_io_slot_reset
,
2418 .resume
= lpfc_io_resume
,
2421 static struct pci_driver lpfc_driver
= {
2422 .name
= LPFC_DRIVER_NAME
,
2423 .id_table
= lpfc_id_table
,
2424 .probe
= lpfc_pci_probe_one
,
2425 .remove
= __devexit_p(lpfc_pci_remove_one
),
2426 .err_handler
= &lpfc_err_handler
,
2434 printk(LPFC_MODULE_DESC
"\n");
2435 printk(LPFC_COPYRIGHT
"\n");
2437 if (lpfc_enable_npiv
) {
2438 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
2439 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
2441 lpfc_transport_template
=
2442 fc_attach_transport(&lpfc_transport_functions
);
2443 if (lpfc_transport_template
== NULL
)
2445 if (lpfc_enable_npiv
) {
2446 lpfc_vport_transport_template
=
2447 fc_attach_transport(&lpfc_vport_transport_functions
);
2448 if (lpfc_vport_transport_template
== NULL
) {
2449 fc_release_transport(lpfc_transport_template
);
2453 error
= pci_register_driver(&lpfc_driver
);
2455 fc_release_transport(lpfc_transport_template
);
2456 fc_release_transport(lpfc_vport_transport_template
);
2465 pci_unregister_driver(&lpfc_driver
);
2466 fc_release_transport(lpfc_transport_template
);
2467 if (lpfc_enable_npiv
)
2468 fc_release_transport(lpfc_vport_transport_template
);
2471 module_init(lpfc_init
);
2472 module_exit(lpfc_exit
);
2473 MODULE_LICENSE("GPL");
2474 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
2475 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2476 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);