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"
46 #include "lpfc_vport.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
);
58 /************************************************************************/
60 /* lpfc_config_port_prep */
61 /* This routine will do LPFC initialization prior to the */
62 /* CONFIG_PORT mailbox command. This will be initialized */
63 /* as a SLI layer callback routine. */
64 /* This routine returns 0 on success or -ERESTART if it wants */
65 /* the SLI layer to reset the HBA and try again. Any */
66 /* other return value indicates an error. */
68 /************************************************************************/
70 lpfc_config_port_prep(struct lpfc_hba
*phba
)
72 lpfc_vpd_t
*vp
= &phba
->vpd
;
76 char *lpfc_vpd_data
= NULL
;
78 static char licensed
[56] =
79 "key unlock for use with gnu public licensed code only\0";
80 static int init_key
= 1;
82 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
84 phba
->link_state
= LPFC_HBA_ERROR
;
89 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
91 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
93 uint32_t *ptext
= (uint32_t *) licensed
;
95 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
96 *ptext
= cpu_to_be32(*ptext
);
100 lpfc_read_nv(phba
, pmb
);
101 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
102 sizeof (mb
->un
.varRDnvp
.rsvd3
));
103 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
106 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
108 if (rc
!= MBX_SUCCESS
) {
109 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
110 "%d:0324 Config Port initialization "
111 "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 "%d:0439 Adapter failed to init, mbxCmd x%x "
132 "READ_REV, mbxStatus x%x\n",
134 mb
->mbxCommand
, mb
->mbxStatus
);
135 mempool_free( pmb
, phba
->mbox_mem_pool
);
141 * The value of rr must be 1 since the driver set the cv field to 1.
142 * This setting requires the FW to set all revision fields.
144 if (mb
->un
.varRdRev
.rr
== 0) {
146 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
147 "%d:0440 Adapter failed to init, READ_REV has "
148 "missing revision information.\n",
150 mempool_free(pmb
, phba
->mbox_mem_pool
);
154 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
)
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 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
190 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
192 goto out_free_context2
;
195 lpfc_dump_mem(phba
, pmb
, offset
);
196 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
198 if (rc
!= MBX_SUCCESS
) {
199 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
200 "%d:0441 VPD not present on adapter, "
201 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
203 mb
->mbxCommand
, mb
->mbxStatus
);
204 mb
->un
.varDmp
.word_cnt
= 0;
206 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
207 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
208 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
209 mb
->un
.varDmp
.word_cnt
);
210 offset
+= mb
->un
.varDmp
.word_cnt
;
211 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
212 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
214 kfree(lpfc_vpd_data
);
216 kfree(pmb
->context2
);
218 mempool_free(pmb
, phba
->mbox_mem_pool
);
222 /************************************************************************/
224 /* lpfc_config_port_post */
225 /* This routine will do LPFC initialization after the */
226 /* CONFIG_PORT mailbox command. This will be initialized */
227 /* as a SLI layer callback routine. */
228 /* This routine returns 0 on success. Any other return value */
229 /* indicates an error. */
231 /************************************************************************/
233 lpfc_config_port_post(struct lpfc_hba
*phba
)
235 struct lpfc_vport
*vport
= phba
->pport
;
238 struct lpfc_dmabuf
*mp
;
239 struct lpfc_sli
*psli
= &phba
->sli
;
240 uint32_t status
, timeout
;
244 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
246 phba
->link_state
= LPFC_HBA_ERROR
;
251 /* Get login parameters for NID. */
252 lpfc_read_sparam(phba
, pmb
, 0);
254 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
255 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
256 "%d:0448 Adapter failed init, mbxCmd x%x "
257 "READ_SPARM mbxStatus x%x\n",
259 mb
->mbxCommand
, mb
->mbxStatus
);
260 phba
->link_state
= LPFC_HBA_ERROR
;
261 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
262 mempool_free( pmb
, phba
->mbox_mem_pool
);
263 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
268 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
270 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
271 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
273 pmb
->context1
= NULL
;
275 if (phba
->cfg_soft_wwnn
)
276 u64_to_wwn(phba
->cfg_soft_wwnn
,
277 vport
->fc_sparam
.nodeName
.u
.wwn
);
278 if (phba
->cfg_soft_wwpn
)
279 u64_to_wwn(phba
->cfg_soft_wwpn
,
280 vport
->fc_sparam
.portName
.u
.wwn
);
281 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
282 sizeof (struct lpfc_name
));
283 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
284 sizeof (struct lpfc_name
));
285 /* If no serial number in VPD data, use low 6 bytes of WWNN */
286 /* This should be consolidated into parse_vpd ? - mr */
287 if (phba
->SerialNumber
[0] == 0) {
290 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
291 for (i
= 0; i
< 12; i
++) {
293 j
= ((status
& 0xf0) >> 4);
295 phba
->SerialNumber
[i
] =
296 (char)((uint8_t) 0x30 + (uint8_t) j
);
298 phba
->SerialNumber
[i
] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
303 phba
->SerialNumber
[i
] =
304 (char)((uint8_t) 0x30 + (uint8_t) j
);
306 phba
->SerialNumber
[i
] =
307 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
311 lpfc_read_config(phba
, pmb
);
313 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
314 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
315 "%d:0453 Adapter failed to init, mbxCmd x%x "
316 "READ_CONFIG, mbxStatus x%x\n",
318 mb
->mbxCommand
, mb
->mbxStatus
);
319 phba
->link_state
= LPFC_HBA_ERROR
;
320 mempool_free( pmb
, phba
->mbox_mem_pool
);
324 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
325 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
326 phba
->cfg_hba_queue_depth
=
327 mb
->un
.varRdConfig
.max_xri
+ 1;
329 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
331 /* Get the default values for Model Name and Description */
332 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
334 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
335 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
336 && !(phba
->lmt
& LMT_1Gb
))
337 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
338 && !(phba
->lmt
& LMT_2Gb
))
339 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
340 && !(phba
->lmt
& LMT_4Gb
))
341 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
342 && !(phba
->lmt
& LMT_8Gb
))
343 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
344 && !(phba
->lmt
& LMT_10Gb
))) {
345 /* Reset link speed to auto */
346 lpfc_printf_log(phba
, KERN_WARNING
, LOG_LINK_EVENT
,
347 "%d:1302 Invalid speed for this board: "
348 "Reset link speed to auto: x%x\n",
350 phba
->cfg_link_speed
);
351 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
354 phba
->link_state
= LPFC_LINK_DOWN
;
356 /* Only process IOCBs on ring 0 till hba_state is READY */
357 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
358 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
359 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
360 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
361 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
362 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
364 /* Post receive buffers for desired rings */
365 if (phba
->sli_rev
!= 3)
366 lpfc_post_rcv_buf(phba
);
368 /* Enable appropriate host interrupts */
369 spin_lock_irq(&phba
->hbalock
);
370 status
= readl(phba
->HCregaddr
);
371 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
372 if (psli
->num_rings
> 0)
373 status
|= HC_R0INT_ENA
;
374 if (psli
->num_rings
> 1)
375 status
|= HC_R1INT_ENA
;
376 if (psli
->num_rings
> 2)
377 status
|= HC_R2INT_ENA
;
378 if (psli
->num_rings
> 3)
379 status
|= HC_R3INT_ENA
;
381 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
382 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
383 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
385 writel(status
, phba
->HCregaddr
);
386 readl(phba
->HCregaddr
); /* flush */
387 spin_unlock_irq(&phba
->hbalock
);
390 * Setup the ring 0 (els) timeout handler
392 timeout
= phba
->fc_ratov
<< 1;
393 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
394 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
395 phba
->hb_outstanding
= 0;
396 phba
->last_completion_time
= jiffies
;
398 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
399 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
401 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
402 lpfc_set_loopback_flag(phba
);
403 if (rc
!= MBX_SUCCESS
) {
404 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
405 "%d:0454 Adapter failed to init, mbxCmd x%x "
406 "INIT_LINK, mbxStatus x%x\n",
408 mb
->mbxCommand
, mb
->mbxStatus
);
410 /* Clear all interrupt enable conditions */
411 writel(0, phba
->HCregaddr
);
412 readl(phba
->HCregaddr
); /* flush */
413 /* Clear all pending interrupts */
414 writel(0xffffffff, phba
->HAregaddr
);
415 readl(phba
->HAregaddr
); /* flush */
417 phba
->link_state
= LPFC_HBA_ERROR
;
419 mempool_free(pmb
, phba
->mbox_mem_pool
);
422 /* MBOX buffer will be freed in mbox compl */
427 /************************************************************************/
429 /* lpfc_hba_down_prep */
430 /* This routine will do LPFC uninitialization before the */
431 /* HBA is reset when bringing down the SLI Layer. This will be */
432 /* initialized as a SLI layer callback routine. */
433 /* This routine returns 0 on success. Any other return value */
434 /* indicates an error. */
436 /************************************************************************/
438 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
440 struct lpfc_vport
*vport
= phba
->pport
;
442 /* Disable interrupts */
443 writel(0, phba
->HCregaddr
);
444 readl(phba
->HCregaddr
); /* flush */
446 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
447 lpfc_cleanup_discovery_resources(vport
);
453 /************************************************************************/
455 /* lpfc_hba_down_post */
456 /* This routine will do uninitialization after the HBA is reset */
457 /* when bringing down the SLI Layer. */
458 /* This routine returns 0 on success. Any other return value */
459 /* indicates an error. */
461 /************************************************************************/
463 lpfc_hba_down_post(struct lpfc_hba
*phba
)
465 struct lpfc_sli
*psli
= &phba
->sli
;
466 struct lpfc_sli_ring
*pring
;
467 struct lpfc_dmabuf
*mp
, *next_mp
;
470 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
471 lpfc_sli_hbqbuf_free_all(phba
);
473 /* Cleanup preposted buffers on the ELS ring */
474 pring
= &psli
->ring
[LPFC_ELS_RING
];
475 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
477 pring
->postbufq_cnt
--;
478 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
483 for (i
= 0; i
< psli
->num_rings
; i
++) {
484 pring
= &psli
->ring
[i
];
485 lpfc_sli_abort_iocb_ring(phba
, pring
);
491 /* HBA heart beat timeout handler */
493 lpfc_hb_timeout(unsigned long ptr
)
495 struct lpfc_hba
*phba
;
498 phba
= (struct lpfc_hba
*)ptr
;
499 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
500 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
))
501 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
502 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
505 wake_up(phba
->work_wait
);
510 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
512 unsigned long drvr_flag
;
514 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
515 phba
->hb_outstanding
= 0;
516 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
518 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
519 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
520 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
521 !(phba
->pport
->fc_flag
& FC_UNLOADING
))
522 mod_timer(&phba
->hb_tmofunc
,
523 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
528 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
530 LPFC_MBOXQ_t
*pmboxq
;
532 struct lpfc_sli
*psli
= &phba
->sli
;
534 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
535 (phba
->pport
->fc_flag
& FC_UNLOADING
) ||
536 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
539 spin_lock_irq(&phba
->pport
->work_port_lock
);
540 /* If the timer is already canceled do nothing */
541 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
)) {
542 spin_unlock_irq(&phba
->pport
->work_port_lock
);
546 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
548 spin_unlock_irq(&phba
->pport
->work_port_lock
);
549 if (!phba
->hb_outstanding
)
550 mod_timer(&phba
->hb_tmofunc
,
551 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
553 mod_timer(&phba
->hb_tmofunc
,
554 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
557 spin_unlock_irq(&phba
->pport
->work_port_lock
);
559 /* If there is no heart beat outstanding, issue a heartbeat command */
560 if (!phba
->hb_outstanding
) {
561 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
563 mod_timer(&phba
->hb_tmofunc
,
564 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
568 lpfc_heart_beat(phba
, pmboxq
);
569 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
570 pmboxq
->vport
= phba
->pport
;
571 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
573 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
574 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
575 mod_timer(&phba
->hb_tmofunc
,
576 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
579 mod_timer(&phba
->hb_tmofunc
,
580 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
581 phba
->hb_outstanding
= 1;
585 * If heart beat timeout called with hb_outstanding set we
586 * need to take the HBA offline.
588 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
589 "%d:0459 Adapter heartbeat failure, taking "
590 "this port offline.\n", phba
->brd_no
);
592 spin_lock_irq(&phba
->hbalock
);
593 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
594 spin_unlock_irq(&phba
->hbalock
);
596 lpfc_offline_prep(phba
);
598 lpfc_unblock_mgmt_io(phba
);
599 phba
->link_state
= LPFC_HBA_ERROR
;
600 lpfc_hba_down_post(phba
);
604 /************************************************************************/
606 /* lpfc_handle_eratt */
607 /* This routine will handle processing a Host Attention */
608 /* Error Status event. This will be initialized */
609 /* as a SLI layer callback routine. */
611 /************************************************************************/
613 lpfc_handle_eratt(struct lpfc_hba
*phba
)
615 struct lpfc_vport
*vport
= phba
->pport
;
616 struct lpfc_sli
*psli
= &phba
->sli
;
617 struct lpfc_sli_ring
*pring
;
618 struct lpfc_vport
*port_iterator
;
620 struct Scsi_Host
*shost
;
622 /* If the pci channel is offline, ignore possible errors,
623 * since we cannot communicate with the pci card anyway. */
624 if (pci_channel_offline(phba
->pcidev
))
627 if (phba
->work_hs
& HS_FFER6
||
628 phba
->work_hs
& HS_FFER5
) {
629 /* Re-establishing Link */
630 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
631 "%d:1301 Re-establishing Link "
632 "Data: x%x x%x x%x\n",
633 phba
->brd_no
, phba
->work_hs
,
634 phba
->work_status
[0], phba
->work_status
[1]);
635 list_for_each_entry(port_iterator
, &phba
->port_list
,
637 shost
= lpfc_shost_from_vport(port_iterator
);
639 spin_lock_irq(shost
->host_lock
);
640 port_iterator
->fc_flag
|= FC_ESTABLISH_LINK
;
641 spin_unlock_irq(shost
->host_lock
);
643 spin_lock_irq(&phba
->hbalock
);
644 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
645 spin_unlock_irq(&phba
->hbalock
);
648 * Firmware stops when it triggled erratt with HS_FFER6.
649 * That could cause the I/Os dropped by the firmware.
650 * Error iocb (I/O) on txcmplq and let the SCSI layer
651 * retry it after re-establishing link.
653 pring
= &psli
->ring
[psli
->fcp_ring
];
654 lpfc_sli_abort_iocb_ring(phba
, pring
);
658 * There was a firmware error. Take the hba offline and then
659 * attempt to restart it.
661 lpfc_offline_prep(phba
);
663 lpfc_sli_brdrestart(phba
);
664 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
665 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
666 lpfc_unblock_mgmt_io(phba
);
669 lpfc_unblock_mgmt_io(phba
);
671 /* The if clause above forces this code path when the status
672 * failure is a value other than FFER6. Do not call the offline
673 * twice. This is the adapter hardware error path.
675 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
676 "%d:0457 Adapter Hardware Error "
677 "Data: x%x x%x x%x\n",
678 phba
->brd_no
, phba
->work_hs
,
679 phba
->work_status
[0], phba
->work_status
[1]);
681 event_data
= FC_REG_DUMP_EVENT
;
682 shost
= lpfc_shost_from_vport(vport
);
683 fc_host_post_vendor_event(shost
, fc_get_event_number(),
684 sizeof(event_data
), (char *) &event_data
,
685 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
687 spin_lock_irq(&phba
->hbalock
);
688 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
689 spin_unlock_irq(&phba
->hbalock
);
690 lpfc_offline_prep(phba
);
692 lpfc_unblock_mgmt_io(phba
);
693 phba
->link_state
= LPFC_HBA_ERROR
;
694 lpfc_hba_down_post(phba
);
698 /************************************************************************/
700 /* lpfc_handle_latt */
701 /* This routine will handle processing a Host Attention */
702 /* Link Status event. This will be initialized */
703 /* as a SLI layer callback routine. */
705 /************************************************************************/
707 lpfc_handle_latt(struct lpfc_hba
*phba
)
709 struct lpfc_vport
*vport
= phba
->pport
;
710 struct lpfc_sli
*psli
= &phba
->sli
;
711 struct lpfc_vport
*port_iterator
;
713 volatile uint32_t control
;
714 struct lpfc_dmabuf
*mp
;
717 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
719 goto lpfc_handle_latt_err_exit
;
721 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
723 goto lpfc_handle_latt_free_pmb
;
725 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
727 goto lpfc_handle_latt_free_mp
;
731 /* Cleanup any outstanding ELS commands */
732 list_for_each_entry(port_iterator
, &phba
->port_list
, listentry
)
733 lpfc_els_flush_cmd(port_iterator
);
735 psli
->slistat
.link_event
++;
736 lpfc_read_la(phba
, pmb
, mp
);
737 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
739 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
740 if (rc
== MBX_NOT_FINISHED
)
741 goto lpfc_handle_latt_free_mbuf
;
743 /* Clear Link Attention in HA REG */
744 spin_lock_irq(&phba
->hbalock
);
745 writel(HA_LATT
, phba
->HAregaddr
);
746 readl(phba
->HAregaddr
); /* flush */
747 spin_unlock_irq(&phba
->hbalock
);
751 lpfc_handle_latt_free_mbuf
:
752 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
753 lpfc_handle_latt_free_mp
:
755 lpfc_handle_latt_free_pmb
:
756 mempool_free(pmb
, phba
->mbox_mem_pool
);
757 lpfc_handle_latt_err_exit
:
758 /* Enable Link attention interrupts */
759 spin_lock_irq(&phba
->hbalock
);
760 psli
->sli_flag
|= LPFC_PROCESS_LA
;
761 control
= readl(phba
->HCregaddr
);
762 control
|= HC_LAINT_ENA
;
763 writel(control
, phba
->HCregaddr
);
764 readl(phba
->HCregaddr
); /* flush */
766 /* Clear Link Attention in HA REG */
767 writel(HA_LATT
, phba
->HAregaddr
);
768 readl(phba
->HAregaddr
); /* flush */
769 spin_unlock_irq(&phba
->hbalock
);
771 phba
->link_state
= LPFC_HBA_ERROR
;
773 /* The other case is an error from issue_mbox */
775 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
776 "%d:0300 READ_LA: no buffers\n",
782 /************************************************************************/
785 /* This routine will parse the VPD data */
787 /************************************************************************/
789 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
791 uint8_t lenlo
, lenhi
;
801 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
802 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
804 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
806 while (!finished
&& (index
< (len
- 4))) {
807 switch (vpd
[index
]) {
815 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
824 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
825 if (Length
> len
- index
)
826 Length
= len
- index
;
828 /* Look for Serial Number */
829 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
836 phba
->SerialNumber
[j
++] = vpd
[index
++];
840 phba
->SerialNumber
[j
] = 0;
843 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
844 phba
->vpd_flag
|= VPD_MODEL_DESC
;
851 phba
->ModelDesc
[j
++] = vpd
[index
++];
855 phba
->ModelDesc
[j
] = 0;
858 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
859 phba
->vpd_flag
|= VPD_MODEL_NAME
;
866 phba
->ModelName
[j
++] = vpd
[index
++];
870 phba
->ModelName
[j
] = 0;
873 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
874 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
881 phba
->ProgramType
[j
++] = vpd
[index
++];
885 phba
->ProgramType
[j
] = 0;
888 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
889 phba
->vpd_flag
|= VPD_PORT
;
896 phba
->Port
[j
++] = vpd
[index
++];
926 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
929 uint16_t dev_id
= phba
->pcidev
->device
;
935 } m
= {"<Unknown>", 0, ""};
937 if (mdp
&& mdp
[0] != '\0'
938 && descp
&& descp
[0] != '\0')
941 if (phba
->lmt
& LMT_10Gb
)
943 else if (phba
->lmt
& LMT_8Gb
)
945 else if (phba
->lmt
& LMT_4Gb
)
947 else if (phba
->lmt
& LMT_2Gb
)
955 case PCI_DEVICE_ID_FIREFLY
:
956 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
958 case PCI_DEVICE_ID_SUPERFLY
:
959 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
960 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
962 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
964 case PCI_DEVICE_ID_DRAGONFLY
:
965 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
967 case PCI_DEVICE_ID_CENTAUR
:
968 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
969 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
971 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
973 case PCI_DEVICE_ID_RFLY
:
974 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
976 case PCI_DEVICE_ID_PEGASUS
:
977 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
979 case PCI_DEVICE_ID_THOR
:
980 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
982 case PCI_DEVICE_ID_VIPER
:
983 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
985 case PCI_DEVICE_ID_PFLY
:
986 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
988 case PCI_DEVICE_ID_TFLY
:
989 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
991 case PCI_DEVICE_ID_HELIOS
:
992 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
994 case PCI_DEVICE_ID_HELIOS_SCSP
:
995 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
997 case PCI_DEVICE_ID_HELIOS_DCSP
:
998 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1000 case PCI_DEVICE_ID_NEPTUNE
:
1001 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1003 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1004 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1006 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1007 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1009 case PCI_DEVICE_ID_BMID
:
1010 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1012 case PCI_DEVICE_ID_BSMB
:
1013 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1015 case PCI_DEVICE_ID_ZEPHYR
:
1016 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1018 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1019 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1021 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1022 m
= (typeof(m
)){"LPe11002-SP", max_speed
, "PCIe"};
1024 case PCI_DEVICE_ID_ZMID
:
1025 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1027 case PCI_DEVICE_ID_ZSMB
:
1028 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1030 case PCI_DEVICE_ID_LP101
:
1031 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1033 case PCI_DEVICE_ID_LP10000S
:
1034 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1036 case PCI_DEVICE_ID_LP11000S
:
1037 m
= (typeof(m
)){"LP11000-S", max_speed
,
1040 case PCI_DEVICE_ID_LPE11000S
:
1041 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1044 case PCI_DEVICE_ID_SAT
:
1045 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1047 case PCI_DEVICE_ID_SAT_MID
:
1048 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1050 case PCI_DEVICE_ID_SAT_SMB
:
1051 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1053 case PCI_DEVICE_ID_SAT_DCSP
:
1054 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1056 case PCI_DEVICE_ID_SAT_SCSP
:
1057 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1059 case PCI_DEVICE_ID_SAT_S
:
1060 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1063 m
= (typeof(m
)){ NULL
};
1067 if (mdp
&& mdp
[0] == '\0')
1068 snprintf(mdp
, 79,"%s", m
.name
);
1069 if (descp
&& descp
[0] == '\0')
1070 snprintf(descp
, 255,
1071 "Emulex %s %dGb %s Fibre Channel Adapter",
1072 m
.name
, m
.max_speed
, m
.bus
);
1075 /**************************************************/
1076 /* lpfc_post_buffer */
1078 /* This routine will post count buffers to the */
1079 /* ring with the QUE_RING_BUF_CN command. This */
1080 /* allows 3 buffers / command to be posted. */
1081 /* Returns the number of buffers NOT posted. */
1082 /**************************************************/
1084 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
,
1088 struct lpfc_iocbq
*iocb
;
1089 struct lpfc_dmabuf
*mp1
, *mp2
;
1091 cnt
+= pring
->missbufcnt
;
1093 /* While there are buffers to post */
1095 /* Allocate buffer for command iocb */
1096 iocb
= lpfc_sli_get_iocbq(phba
);
1098 pring
->missbufcnt
= cnt
;
1103 /* 2 buffers can be posted per command */
1104 /* Allocate buffer to post */
1105 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1107 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1109 if (mp1
== 0 || mp1
->virt
== 0) {
1111 lpfc_sli_release_iocbq(phba
, iocb
);
1112 pring
->missbufcnt
= cnt
;
1116 INIT_LIST_HEAD(&mp1
->list
);
1117 /* Allocate buffer to post */
1119 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1121 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1123 if (mp2
== 0 || mp2
->virt
== 0) {
1125 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1127 lpfc_sli_release_iocbq(phba
, iocb
);
1128 pring
->missbufcnt
= cnt
;
1132 INIT_LIST_HEAD(&mp2
->list
);
1137 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1138 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1139 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1140 icmd
->ulpBdeCount
= 1;
1143 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1144 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1145 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1147 icmd
->ulpBdeCount
= 2;
1150 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1153 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1154 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1158 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1162 lpfc_sli_release_iocbq(phba
, iocb
);
1163 pring
->missbufcnt
= cnt
;
1166 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1168 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1170 pring
->missbufcnt
= 0;
1174 /************************************************************************/
1176 /* lpfc_post_rcv_buf */
1177 /* This routine post initial rcv buffers to the configured rings */
1179 /************************************************************************/
1181 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1183 struct lpfc_sli
*psli
= &phba
->sli
;
1185 /* Ring 0, ELS / CT buffers */
1186 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1187 /* Ring 2 - FCP no buffers needed */
1192 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1194 /************************************************************************/
1198 /************************************************************************/
1200 lpfc_sha_init(uint32_t * HashResultPointer
)
1202 HashResultPointer
[0] = 0x67452301;
1203 HashResultPointer
[1] = 0xEFCDAB89;
1204 HashResultPointer
[2] = 0x98BADCFE;
1205 HashResultPointer
[3] = 0x10325476;
1206 HashResultPointer
[4] = 0xC3D2E1F0;
1209 /************************************************************************/
1211 /* lpfc_sha_iterate */
1213 /************************************************************************/
1215 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1219 uint32_t A
, B
, C
, D
, E
;
1222 HashWorkingPointer
[t
] =
1224 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1226 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1227 } while (++t
<= 79);
1229 A
= HashResultPointer
[0];
1230 B
= HashResultPointer
[1];
1231 C
= HashResultPointer
[2];
1232 D
= HashResultPointer
[3];
1233 E
= HashResultPointer
[4];
1237 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1238 } else if (t
< 40) {
1239 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1240 } else if (t
< 60) {
1241 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1243 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1245 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1251 } while (++t
<= 79);
1253 HashResultPointer
[0] += A
;
1254 HashResultPointer
[1] += B
;
1255 HashResultPointer
[2] += C
;
1256 HashResultPointer
[3] += D
;
1257 HashResultPointer
[4] += E
;
1261 /************************************************************************/
1263 /* lpfc_challenge_key */
1265 /************************************************************************/
1267 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1269 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1272 /************************************************************************/
1276 /************************************************************************/
1278 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1281 uint32_t *HashWorking
;
1282 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1284 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1288 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1289 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1290 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1292 for (t
= 0; t
< 7; t
++)
1293 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1295 lpfc_sha_init(hbainit
);
1296 lpfc_sha_iterate(hbainit
, HashWorking
);
1301 lpfc_cleanup(struct lpfc_vport
*vport
)
1303 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1305 /* clean up phba - lpfc specific */
1306 lpfc_can_disctmo(vport
);
1307 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
)
1313 lpfc_establish_link_tmo(unsigned long ptr
)
1315 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
1316 struct lpfc_vport
*vport
= phba
->pport
;
1317 unsigned long iflag
;
1319 /* Re-establishing Link, timer expired */
1320 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1321 "%d:1300 Re-establishing Link, timer expired "
1323 phba
->brd_no
, vport
->fc_flag
,
1325 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
1326 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1328 spin_lock_irqsave(shost
->host_lock
, iflag
);
1329 vport
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1330 spin_unlock_irqrestore(shost
->host_lock
, iflag
);
1335 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
1337 del_timer_sync(&vport
->els_tmofunc
);
1338 del_timer_sync(&vport
->fc_fdmitmo
);
1339 lpfc_can_disctmo(vport
);
1344 lpfc_stop_phba_timers(struct lpfc_hba
*phba
)
1346 struct lpfc_vport
*vport
;
1348 del_timer_sync(&phba
->fcp_poll_timer
);
1349 del_timer_sync(&phba
->fc_estabtmo
);
1350 list_for_each_entry(vport
, &phba
->port_list
, listentry
)
1351 lpfc_stop_vport_timers(vport
);
1352 del_timer_sync(&phba
->sli
.mbox_tmo
);
1353 del_timer_sync(&phba
->fabric_block_timer
);
1354 phba
->hb_outstanding
= 0;
1355 del_timer_sync(&phba
->hb_tmofunc
);
1360 lpfc_online(struct lpfc_hba
*phba
)
1362 struct lpfc_vport
*vport
= phba
->pport
;
1367 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
1370 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1371 "%d:0458 Bring Adapter online\n",
1374 lpfc_block_mgmt_io(phba
);
1376 if (!lpfc_sli_queue_setup(phba
)) {
1377 lpfc_unblock_mgmt_io(phba
);
1381 if (lpfc_sli_hba_setup(phba
)) { /* Initialize the HBA */
1382 lpfc_unblock_mgmt_io(phba
);
1386 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
1387 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1388 spin_lock_irq(shost
->host_lock
);
1389 vport
->fc_flag
&= ~FC_OFFLINE_MODE
;
1390 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
1391 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1392 spin_unlock_irq(shost
->host_lock
);
1395 lpfc_unblock_mgmt_io(phba
);
1400 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
1402 unsigned long iflag
;
1404 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1405 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
1406 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1410 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
1412 unsigned long iflag
;
1414 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1415 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
1416 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1420 lpfc_offline_prep(struct lpfc_hba
* phba
)
1422 struct lpfc_vport
*vport
= phba
->pport
;
1423 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1425 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1428 lpfc_block_mgmt_io(phba
);
1430 lpfc_linkdown(phba
);
1432 /* Issue an unreg_login to all nodes */
1433 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
)
1434 if (ndlp
->nlp_state
!= NLP_STE_UNUSED_NODE
)
1435 lpfc_unreg_rpi(vport
, ndlp
);
1437 lpfc_sli_flush_mbox_queue(phba
);
1441 lpfc_offline(struct lpfc_hba
*phba
)
1443 struct lpfc_vport
*vport
= phba
->pport
;
1444 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1445 struct lpfc_vport
*port_iterator
;
1447 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1450 /* stop all timers associated with this hba */
1451 lpfc_stop_phba_timers(phba
);
1452 list_for_each_entry(port_iterator
, &phba
->port_list
, listentry
) {
1453 port_iterator
->work_port_events
= 0;
1456 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1457 "%d:0460 Bring Adapter offline\n",
1460 /* Bring down the SLI Layer and cleanup. The HBA is offline
1462 lpfc_sli_hba_down(phba
);
1463 spin_lock_irq(&phba
->hbalock
);
1465 vport
->fc_flag
|= FC_OFFLINE_MODE
;
1466 spin_unlock_irq(&phba
->hbalock
);
1467 list_for_each_entry(port_iterator
, &phba
->port_list
, listentry
) {
1468 shost
= lpfc_shost_from_vport(port_iterator
);
1470 lpfc_cleanup(port_iterator
);
1471 spin_lock_irq(shost
->host_lock
);
1472 vport
->work_port_events
= 0;
1473 vport
->fc_flag
|= FC_OFFLINE_MODE
;
1474 spin_unlock_irq(shost
->host_lock
);
1478 /******************************************************************************
1479 * Function name: lpfc_scsi_free
1481 * Description: Called from lpfc_pci_remove_one free internal driver resources
1483 ******************************************************************************/
1485 lpfc_scsi_free(struct lpfc_hba
*phba
)
1487 struct lpfc_scsi_buf
*sb
, *sb_next
;
1488 struct lpfc_iocbq
*io
, *io_next
;
1490 spin_lock_irq(&phba
->hbalock
);
1491 /* Release all the lpfc_scsi_bufs maintained by this host. */
1492 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1493 list_del(&sb
->list
);
1494 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1497 phba
->total_scsi_bufs
--;
1500 /* Release all the lpfc_iocbq entries maintained by this host. */
1501 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1502 list_del(&io
->list
);
1504 phba
->total_iocbq_bufs
--;
1507 spin_unlock_irq(&phba
->hbalock
);
1514 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct fc_vport
*fc_vport
)
1516 struct lpfc_vport
*vport
;
1517 struct Scsi_Host
*shost
;
1520 shost
= scsi_host_alloc(&lpfc_template
, sizeof(struct lpfc_vport
));
1524 vport
= (struct lpfc_vport
*) shost
->hostdata
;
1527 vport
->load_flag
|= FC_LOADING
;
1528 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1530 shost
->unique_id
= instance
;
1531 shost
->max_id
= LPFC_MAX_TARGET
;
1532 shost
->max_lun
= phba
->cfg_max_luns
;
1533 shost
->this_id
= -1;
1534 shost
->max_cmd_len
= 16;
1536 * Set initial can_queue value since 0 is no longer supported and
1537 * scsi_add_host will fail. This will be adjusted later based on the
1538 * max xri value determined in hba setup.
1540 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1541 if (fc_vport
!= NULL
) {
1542 shost
->transportt
= lpfc_vport_transport_template
;
1543 vport
->port_type
= LPFC_NPIV_PORT
;
1545 shost
->transportt
= lpfc_transport_template
;
1546 vport
->port_type
= LPFC_PHYSICAL_PORT
;
1549 /* Initialize all internally managed lists. */
1550 INIT_LIST_HEAD(&vport
->fc_nodes
);
1551 spin_lock_init(&vport
->work_port_lock
);
1553 init_timer(&vport
->fc_disctmo
);
1554 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
1555 vport
->fc_disctmo
.data
= (unsigned long)vport
;
1557 init_timer(&vport
->fc_fdmitmo
);
1558 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1559 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
1561 init_timer(&vport
->els_tmofunc
);
1562 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
1563 vport
->els_tmofunc
.data
= (unsigned long)vport
;
1565 if (fc_vport
!= NULL
) {
1566 error
= scsi_add_host(shost
, &fc_vport
->dev
);
1568 error
= scsi_add_host(shost
, &phba
->pcidev
->dev
);
1573 list_add_tail(&vport
->listentry
, &phba
->port_list
);
1577 scsi_host_put(shost
);
1583 destroy_port(struct lpfc_vport
*vport
)
1585 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1586 struct lpfc_hba
*phba
= vport
->phba
;
1588 kfree(vport
->vname
);
1590 lpfc_debugfs_terminate(vport
);
1591 fc_remove_host(shost
);
1592 scsi_remove_host(shost
);
1594 spin_lock_irq(&phba
->hbalock
);
1595 list_del_init(&vport
->listentry
);
1596 spin_unlock_irq(&phba
->hbalock
);
1598 lpfc_cleanup(vport
);
1603 lpfc_get_instance(void)
1607 /* Assign an unused number */
1608 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1610 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
1616 * Note: there is no scan_start function as adapter initialization
1617 * will have asynchronously kicked off the link initialization.
1620 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1622 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1623 struct lpfc_hba
*phba
= vport
->phba
;
1626 spin_lock_irq(shost
->host_lock
);
1628 if (vport
->fc_flag
& FC_UNLOADING
) {
1632 if (time
>= 30 * HZ
) {
1633 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1634 "%d:0461 Scanning longer than 30 "
1635 "seconds. Continuing initialization\n",
1640 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
1641 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1642 "%d:0465 Link down longer than 15 "
1643 "seconds. Continuing initialization\n",
1649 if (vport
->port_state
!= LPFC_VPORT_READY
)
1651 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
1653 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
1655 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
1661 spin_unlock_irq(shost
->host_lock
);
1665 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
1667 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1668 struct lpfc_hba
*phba
= vport
->phba
;
1670 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1673 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
1674 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
1675 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
1677 memset(fc_host_supported_fc4s(shost
), 0,
1678 sizeof(fc_host_supported_fc4s(shost
)));
1679 fc_host_supported_fc4s(shost
)[2] = 1;
1680 fc_host_supported_fc4s(shost
)[7] = 1;
1682 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
1683 sizeof fc_host_symbolic_name(shost
));
1685 fc_host_supported_speeds(shost
) = 0;
1686 if (phba
->lmt
& LMT_10Gb
)
1687 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
1688 if (phba
->lmt
& LMT_4Gb
)
1689 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
1690 if (phba
->lmt
& LMT_2Gb
)
1691 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
1692 if (phba
->lmt
& LMT_1Gb
)
1693 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
1695 fc_host_maxframe_size(shost
) =
1696 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1697 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
1699 /* This value is also unchanging */
1700 memset(fc_host_active_fc4s(shost
), 0,
1701 sizeof(fc_host_active_fc4s(shost
)));
1702 fc_host_active_fc4s(shost
)[2] = 1;
1703 fc_host_active_fc4s(shost
)[7] = 1;
1705 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
1706 spin_lock_irq(shost
->host_lock
);
1707 vport
->fc_flag
&= ~FC_LOADING
;
1708 spin_unlock_irq(shost
->host_lock
);
1711 static int __devinit
1712 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1714 struct lpfc_vport
*vport
= NULL
;
1715 struct lpfc_hba
*phba
;
1716 struct lpfc_sli
*psli
;
1717 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1718 struct Scsi_Host
*shost
= NULL
;
1719 unsigned long bar0map_len
, bar2map_len
;
1720 int error
= -ENODEV
;
1724 if (pci_enable_device(pdev
))
1726 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1727 goto out_disable_device
;
1729 phba
= kzalloc(sizeof (struct lpfc_hba
), GFP_KERNEL
);
1731 goto out_release_regions
;
1733 spin_lock_init(&phba
->hbalock
);
1735 phba
->pcidev
= pdev
;
1737 /* Assign an unused board number */
1738 if ((phba
->brd_no
= lpfc_get_instance()) < 0)
1741 INIT_LIST_HEAD(&phba
->port_list
);
1742 INIT_LIST_HEAD(&phba
->hbq_buffer_list
);
1744 * Get all the module params for configuring this host and then
1745 * establish the host.
1747 lpfc_get_cfgparam(phba
);
1748 phba
->max_vpi
= LPFC_MAX_VPI
;
1750 /* Initialize timers used by driver */
1751 init_timer(&phba
->fc_estabtmo
);
1752 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1753 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1755 init_timer(&phba
->hb_tmofunc
);
1756 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
1757 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
1760 init_timer(&psli
->mbox_tmo
);
1761 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1762 psli
->mbox_tmo
.data
= (unsigned long) phba
;
1763 init_timer(&phba
->fcp_poll_timer
);
1764 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1765 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
1766 init_timer(&phba
->fabric_block_timer
);
1767 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
1768 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
1770 pci_set_master(pdev
);
1771 pci_try_set_mwi(pdev
);
1773 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1774 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1775 goto out_idr_remove
;
1778 * Get the bus address of Bar0 and Bar2 and the number of bytes
1779 * required by each mapping.
1781 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1782 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1784 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1785 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1787 /* Map HBA SLIM to a kernel virtual address. */
1788 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1789 if (!phba
->slim_memmap_p
) {
1791 dev_printk(KERN_ERR
, &pdev
->dev
,
1792 "ioremap failed for SLIM memory.\n");
1793 goto out_idr_remove
;
1796 /* Map HBA Control Registers to a kernel virtual address. */
1797 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1798 if (!phba
->ctrl_regs_memmap_p
) {
1800 dev_printk(KERN_ERR
, &pdev
->dev
,
1801 "ioremap failed for HBA control registers.\n");
1802 goto out_iounmap_slim
;
1805 /* Allocate memory for SLI-2 structures */
1806 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1807 &phba
->slim2p_mapping
, GFP_KERNEL
);
1811 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1813 phba
->hbqslimp
.virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
1814 lpfc_sli_hbq_size(),
1815 &phba
->hbqslimp
.phys
,
1817 if (!phba
->hbqslimp
.virt
)
1820 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
1822 /* Initialize the SLI Layer to run with lpfc HBAs. */
1823 lpfc_sli_setup(phba
);
1824 lpfc_sli_queue_setup(phba
);
1826 error
= lpfc_mem_alloc(phba
);
1828 goto out_free_hbqslimp
;
1830 /* Initialize and populate the iocb list per host. */
1831 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1832 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1833 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1834 if (iocbq_entry
== NULL
) {
1835 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1836 "expected %d count. Unloading driver.\n",
1837 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1839 goto out_free_iocbq
;
1842 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1844 kfree (iocbq_entry
);
1845 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1846 "Unloading driver.\n",
1849 goto out_free_iocbq
;
1852 spin_lock_irq(&phba
->hbalock
);
1853 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1854 phba
->total_iocbq_bufs
++;
1855 spin_unlock_irq(&phba
->hbalock
);
1858 /* Initialize HBA structure */
1859 phba
->fc_edtov
= FF_DEF_EDTOV
;
1860 phba
->fc_ratov
= FF_DEF_RATOV
;
1861 phba
->fc_altov
= FF_DEF_ALTOV
;
1862 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1864 INIT_LIST_HEAD(&phba
->work_list
);
1865 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1866 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1868 /* Startup the kernel thread for this host adapter. */
1869 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1870 "lpfc_worker_%d", phba
->brd_no
);
1871 if (IS_ERR(phba
->worker_thread
)) {
1872 error
= PTR_ERR(phba
->worker_thread
);
1873 goto out_free_iocbq
;
1876 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1877 spin_lock_init(&phba
->scsi_buf_list_lock
);
1878 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1880 /* Initialize list of fabric iocbs */
1881 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
1883 vport
= lpfc_create_port(phba
, phba
->brd_no
, NULL
);
1885 goto out_kthread_stop
;
1887 shost
= lpfc_shost_from_vport(vport
);
1888 phba
->pport
= vport
;
1889 lpfc_debugfs_initialize(vport
);
1891 pci_set_drvdata(pdev
, shost
);
1893 if (phba
->cfg_use_msi
) {
1894 error
= pci_enable_msi(phba
->pcidev
);
1896 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
, "%d:0452 "
1897 "Enable MSI failed, continuing with "
1898 "IRQ\n", phba
->brd_no
);
1901 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, IRQF_SHARED
,
1902 LPFC_DRIVER_NAME
, phba
);
1904 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1905 "%d:0451 Enable interrupt handler failed\n",
1907 goto out_disable_msi
;
1910 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1911 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1912 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1913 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1914 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1916 if (lpfc_alloc_sysfs_attr(vport
))
1919 if (lpfc_sli_hba_setup(phba
))
1920 goto out_remove_device
;
1923 * hba setup may have changed the hba_queue_depth so we need to adjust
1924 * the value of can_queue.
1926 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1928 lpfc_host_attrib_init(shost
);
1930 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
1931 spin_lock_irq(shost
->host_lock
);
1932 lpfc_poll_start_timer(phba
);
1933 spin_unlock_irq(shost
->host_lock
);
1936 scsi_scan_host(shost
);
1941 lpfc_free_sysfs_attr(vport
);
1942 spin_lock_irq(shost
->host_lock
);
1943 vport
->fc_flag
|= FC_UNLOADING
;
1944 spin_unlock_irq(shost
->host_lock
);
1946 lpfc_stop_phba_timers(phba
);
1947 phba
->pport
->work_port_events
= 0;
1948 free_irq(phba
->pcidev
->irq
, phba
);
1950 pci_disable_msi(phba
->pcidev
);
1951 destroy_port(vport
);
1953 kthread_stop(phba
->worker_thread
);
1955 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1956 &phba
->lpfc_iocb_list
, list
) {
1958 phba
->total_iocbq_bufs
--;
1960 lpfc_mem_free(phba
);
1962 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
1963 phba
->hbqslimp
.phys
);
1965 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1966 phba
->slim2p_mapping
);
1968 iounmap(phba
->ctrl_regs_memmap_p
);
1970 iounmap(phba
->slim_memmap_p
);
1972 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1975 out_release_regions
:
1976 pci_release_regions(pdev
);
1978 pci_disable_device(pdev
);
1980 pci_set_drvdata(pdev
, NULL
);
1982 scsi_host_put(shost
);
1986 static void __devexit
1987 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1989 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1990 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1991 struct lpfc_hba
*phba
= vport
->phba
;
1992 struct lpfc_vport
*port_iterator
;
1993 list_for_each_entry(port_iterator
, &phba
->port_list
, listentry
)
1994 port_iterator
->load_flag
|= FC_UNLOADING
;
1996 kfree(vport
->vname
);
1997 lpfc_free_sysfs_attr(vport
);
1999 fc_remove_host(shost
);
2000 scsi_remove_host(shost
);
2003 * Bring down the SLI Layer. This step disable all interrupts,
2004 * clears the rings, discards all mailbox commands, and resets
2007 lpfc_sli_hba_down(phba
);
2008 lpfc_sli_brdrestart(phba
);
2010 lpfc_stop_phba_timers(phba
);
2011 spin_lock_irq(&phba
->hbalock
);
2012 list_del_init(&vport
->listentry
);
2013 spin_unlock_irq(&phba
->hbalock
);
2016 lpfc_debugfs_terminate(vport
);
2017 lpfc_cleanup(vport
);
2019 kthread_stop(phba
->worker_thread
);
2021 /* Release the irq reservation */
2022 free_irq(phba
->pcidev
->irq
, phba
);
2023 pci_disable_msi(phba
->pcidev
);
2025 pci_set_drvdata(pdev
, NULL
);
2026 scsi_host_put(shost
);
2029 * Call scsi_free before mem_free since scsi bufs are released to their
2030 * corresponding pools here.
2032 lpfc_scsi_free(phba
);
2033 lpfc_mem_free(phba
);
2035 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
2036 phba
->hbqslimp
.phys
);
2038 /* Free resources associated with SLI2 interface */
2039 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
2040 phba
->slim2p
, phba
->slim2p_mapping
);
2042 /* unmap adapter SLIM and Control Registers */
2043 iounmap(phba
->ctrl_regs_memmap_p
);
2044 iounmap(phba
->slim_memmap_p
);
2046 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2050 pci_release_regions(pdev
);
2051 pci_disable_device(pdev
);
2055 * lpfc_io_error_detected - called when PCI error is detected
2056 * @pdev: Pointer to PCI device
2057 * @state: The current pci conneection state
2059 * This function is called after a PCI bus error affecting
2060 * this device has been detected.
2062 static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev
*pdev
,
2063 pci_channel_state_t state
)
2065 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
2066 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
2067 struct lpfc_sli
*psli
= &phba
->sli
;
2068 struct lpfc_sli_ring
*pring
;
2070 if (state
== pci_channel_io_perm_failure
)
2071 return PCI_ERS_RESULT_DISCONNECT
;
2073 pci_disable_device(pdev
);
2075 * There may be I/Os dropped by the firmware.
2076 * Error iocb (I/O) on txcmplq and let the SCSI layer
2077 * retry it after re-establishing link.
2079 pring
= &psli
->ring
[psli
->fcp_ring
];
2080 lpfc_sli_abort_iocb_ring(phba
, pring
);
2082 /* Request a slot reset. */
2083 return PCI_ERS_RESULT_NEED_RESET
;
2087 * lpfc_io_slot_reset - called after the pci bus has been reset.
2088 * @pdev: Pointer to PCI device
2090 * Restart the card from scratch, as if from a cold-boot.
2092 static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev
*pdev
)
2094 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
2095 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
2096 struct lpfc_sli
*psli
= &phba
->sli
;
2097 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
2099 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
2100 if (pci_enable_device_bars(pdev
, bars
)) {
2101 printk(KERN_ERR
"lpfc: Cannot re-enable "
2102 "PCI device after reset.\n");
2103 return PCI_ERS_RESULT_DISCONNECT
;
2106 pci_set_master(pdev
);
2108 /* Re-establishing Link */
2109 spin_lock_irq(host
->host_lock
);
2110 phba
->pport
->fc_flag
|= FC_ESTABLISH_LINK
;
2111 spin_unlock_irq(host
->host_lock
);
2113 spin_lock_irq(&phba
->hbalock
);
2114 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
2115 spin_unlock_irq(&phba
->hbalock
);
2118 /* Take device offline; this will perform cleanup */
2120 lpfc_sli_brdrestart(phba
);
2122 return PCI_ERS_RESULT_RECOVERED
;
2126 * lpfc_io_resume - called when traffic can start flowing again.
2127 * @pdev: Pointer to PCI device
2129 * This callback is called when the error recovery driver tells us that
2130 * its OK to resume normal operation.
2132 static void lpfc_io_resume(struct pci_dev
*pdev
)
2134 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
2135 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
2137 if (lpfc_online(phba
) == 0) {
2138 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
2142 static struct pci_device_id lpfc_id_table
[] = {
2143 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
2144 PCI_ANY_ID
, PCI_ANY_ID
, },
2145 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
2146 PCI_ANY_ID
, PCI_ANY_ID
, },
2147 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
2148 PCI_ANY_ID
, PCI_ANY_ID
, },
2149 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
2150 PCI_ANY_ID
, PCI_ANY_ID
, },
2151 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
2152 PCI_ANY_ID
, PCI_ANY_ID
, },
2153 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
2154 PCI_ANY_ID
, PCI_ANY_ID
, },
2155 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
2156 PCI_ANY_ID
, PCI_ANY_ID
, },
2157 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
2158 PCI_ANY_ID
, PCI_ANY_ID
, },
2159 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
2160 PCI_ANY_ID
, PCI_ANY_ID
, },
2161 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
2162 PCI_ANY_ID
, PCI_ANY_ID
, },
2163 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
2164 PCI_ANY_ID
, PCI_ANY_ID
, },
2165 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
2166 PCI_ANY_ID
, PCI_ANY_ID
, },
2167 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
2168 PCI_ANY_ID
, PCI_ANY_ID
, },
2169 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
2170 PCI_ANY_ID
, PCI_ANY_ID
, },
2171 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
2172 PCI_ANY_ID
, PCI_ANY_ID
, },
2173 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
2174 PCI_ANY_ID
, PCI_ANY_ID
, },
2175 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
2176 PCI_ANY_ID
, PCI_ANY_ID
, },
2177 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
2178 PCI_ANY_ID
, PCI_ANY_ID
, },
2179 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
2180 PCI_ANY_ID
, PCI_ANY_ID
, },
2181 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
2182 PCI_ANY_ID
, PCI_ANY_ID
, },
2183 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
2184 PCI_ANY_ID
, PCI_ANY_ID
, },
2185 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
2186 PCI_ANY_ID
, PCI_ANY_ID
, },
2187 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
2188 PCI_ANY_ID
, PCI_ANY_ID
, },
2189 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
2190 PCI_ANY_ID
, PCI_ANY_ID
, },
2191 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
2192 PCI_ANY_ID
, PCI_ANY_ID
, },
2193 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
2194 PCI_ANY_ID
, PCI_ANY_ID
, },
2195 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
2196 PCI_ANY_ID
, PCI_ANY_ID
, },
2197 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
2198 PCI_ANY_ID
, PCI_ANY_ID
, },
2199 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
2200 PCI_ANY_ID
, PCI_ANY_ID
, },
2201 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
2202 PCI_ANY_ID
, PCI_ANY_ID
, },
2203 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
2204 PCI_ANY_ID
, PCI_ANY_ID
, },
2205 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
2206 PCI_ANY_ID
, PCI_ANY_ID
, },
2207 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
2208 PCI_ANY_ID
, PCI_ANY_ID
, },
2212 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
2214 static struct pci_error_handlers lpfc_err_handler
= {
2215 .error_detected
= lpfc_io_error_detected
,
2216 .slot_reset
= lpfc_io_slot_reset
,
2217 .resume
= lpfc_io_resume
,
2220 static struct pci_driver lpfc_driver
= {
2221 .name
= LPFC_DRIVER_NAME
,
2222 .id_table
= lpfc_id_table
,
2223 .probe
= lpfc_pci_probe_one
,
2224 .remove
= __devexit_p(lpfc_pci_remove_one
),
2225 .err_handler
= &lpfc_err_handler
,
2233 printk(LPFC_MODULE_DESC
"\n");
2234 printk(LPFC_COPYRIGHT
"\n");
2236 lpfc_transport_template
=
2237 fc_attach_transport(&lpfc_transport_functions
);
2238 lpfc_vport_transport_template
=
2239 fc_attach_transport(&lpfc_vport_transport_functions
);
2240 if (!lpfc_transport_template
|| !lpfc_vport_transport_template
)
2242 error
= pci_register_driver(&lpfc_driver
);
2244 fc_release_transport(lpfc_transport_template
);
2245 fc_release_transport(lpfc_vport_transport_template
);
2254 pci_unregister_driver(&lpfc_driver
);
2255 fc_release_transport(lpfc_transport_template
);
2256 fc_release_transport(lpfc_vport_transport_template
);
2259 module_init(lpfc_init
);
2260 module_exit(lpfc_exit
);
2261 MODULE_LICENSE("GPL");
2262 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
2263 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2264 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);