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
;
489 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
490 lpfc_sli_hbqbuf_free_all(phba
);
492 /* Cleanup preposted buffers on the ELS ring */
493 pring
= &psli
->ring
[LPFC_ELS_RING
];
494 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
496 pring
->postbufq_cnt
--;
497 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
502 for (i
= 0; i
< psli
->num_rings
; i
++) {
503 pring
= &psli
->ring
[i
];
504 lpfc_sli_abort_iocb_ring(phba
, pring
);
510 /* HBA heart beat timeout handler */
512 lpfc_hb_timeout(unsigned long ptr
)
514 struct lpfc_hba
*phba
;
517 phba
= (struct lpfc_hba
*)ptr
;
518 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
519 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
))
520 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
521 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
524 wake_up(phba
->work_wait
);
529 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
531 unsigned long drvr_flag
;
533 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
534 phba
->hb_outstanding
= 0;
535 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
537 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
538 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
539 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
540 !(phba
->pport
->load_flag
& FC_UNLOADING
))
541 mod_timer(&phba
->hb_tmofunc
,
542 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
547 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
549 LPFC_MBOXQ_t
*pmboxq
;
551 struct lpfc_sli
*psli
= &phba
->sli
;
553 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
554 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
555 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
558 spin_lock_irq(&phba
->pport
->work_port_lock
);
559 /* If the timer is already canceled do nothing */
560 if (!(phba
->pport
->work_port_events
& WORKER_HB_TMO
)) {
561 spin_unlock_irq(&phba
->pport
->work_port_lock
);
565 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
567 spin_unlock_irq(&phba
->pport
->work_port_lock
);
568 if (!phba
->hb_outstanding
)
569 mod_timer(&phba
->hb_tmofunc
,
570 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
572 mod_timer(&phba
->hb_tmofunc
,
573 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
576 spin_unlock_irq(&phba
->pport
->work_port_lock
);
578 /* If there is no heart beat outstanding, issue a heartbeat command */
579 if (!phba
->hb_outstanding
) {
580 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
582 mod_timer(&phba
->hb_tmofunc
,
583 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
587 lpfc_heart_beat(phba
, pmboxq
);
588 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
589 pmboxq
->vport
= phba
->pport
;
590 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
592 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
593 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
594 mod_timer(&phba
->hb_tmofunc
,
595 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
598 mod_timer(&phba
->hb_tmofunc
,
599 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
600 phba
->hb_outstanding
= 1;
604 * If heart beat timeout called with hb_outstanding set we
605 * need to take the HBA offline.
607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
608 "0459 Adapter heartbeat failure, taking "
609 "this port offline.\n");
611 spin_lock_irq(&phba
->hbalock
);
612 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
613 spin_unlock_irq(&phba
->hbalock
);
615 lpfc_offline_prep(phba
);
617 lpfc_unblock_mgmt_io(phba
);
618 phba
->link_state
= LPFC_HBA_ERROR
;
619 lpfc_hba_down_post(phba
);
623 /************************************************************************/
625 /* lpfc_handle_eratt */
626 /* This routine will handle processing a Host Attention */
627 /* Error Status event. This will be initialized */
628 /* as a SLI layer callback routine. */
630 /************************************************************************/
632 lpfc_handle_eratt(struct lpfc_hba
*phba
)
634 struct lpfc_vport
*vport
= phba
->pport
;
635 struct lpfc_sli
*psli
= &phba
->sli
;
636 struct lpfc_sli_ring
*pring
;
637 struct lpfc_vport
**vports
;
639 unsigned long temperature
;
640 struct temp_event temp_event_data
;
641 struct Scsi_Host
*shost
;
644 /* If the pci channel is offline, ignore possible errors,
645 * since we cannot communicate with the pci card anyway. */
646 if (pci_channel_offline(phba
->pcidev
))
649 if (phba
->work_hs
& HS_FFER6
||
650 phba
->work_hs
& HS_FFER5
) {
651 /* Re-establishing Link */
652 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
653 "1301 Re-establishing Link "
654 "Data: x%x x%x x%x\n",
656 phba
->work_status
[0], phba
->work_status
[1]);
657 vports
= lpfc_create_vport_work_array(phba
);
660 i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
;
662 shost
= lpfc_shost_from_vport(vports
[i
]);
663 spin_lock_irq(shost
->host_lock
);
664 vports
[i
]->fc_flag
|= FC_ESTABLISH_LINK
;
665 spin_unlock_irq(shost
->host_lock
);
667 lpfc_destroy_vport_work_array(vports
);
668 spin_lock_irq(&phba
->hbalock
);
669 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
670 spin_unlock_irq(&phba
->hbalock
);
673 * Firmware stops when it triggled erratt with HS_FFER6.
674 * That could cause the I/Os dropped by the firmware.
675 * Error iocb (I/O) on txcmplq and let the SCSI layer
676 * retry it after re-establishing link.
678 pring
= &psli
->ring
[psli
->fcp_ring
];
679 lpfc_sli_abort_iocb_ring(phba
, pring
);
683 * There was a firmware error. Take the hba offline and then
684 * attempt to restart it.
686 lpfc_offline_prep(phba
);
688 lpfc_sli_brdrestart(phba
);
689 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
690 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
691 lpfc_unblock_mgmt_io(phba
);
694 lpfc_unblock_mgmt_io(phba
);
695 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
696 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
697 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
698 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
699 temp_event_data
.data
= (uint32_t)temperature
;
701 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
702 "0459 Adapter maximum temperature exceeded "
703 "(%ld), taking this port offline "
704 "Data: x%x x%x x%x\n",
705 temperature
, phba
->work_hs
,
706 phba
->work_status
[0], phba
->work_status
[1]);
708 shost
= lpfc_shost_from_vport(phba
->pport
);
709 fc_host_post_vendor_event(shost
, fc_get_event_number(),
710 sizeof(temp_event_data
),
711 (char *) &temp_event_data
,
713 | PCI_VENDOR_ID_EMULEX
);
715 spin_lock_irq(&phba
->hbalock
);
716 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
717 phba
->over_temp_state
= HBA_OVER_TEMP
;
718 spin_unlock_irq(&phba
->hbalock
);
719 lpfc_offline_prep(phba
);
721 lpfc_unblock_mgmt_io(phba
);
722 phba
->link_state
= LPFC_HBA_ERROR
;
723 lpfc_hba_down_post(phba
);
726 /* The if clause above forces this code path when the status
727 * failure is a value other than FFER6. Do not call the offline
728 * twice. This is the adapter hardware error path.
730 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
731 "0457 Adapter Hardware Error "
732 "Data: x%x x%x x%x\n",
734 phba
->work_status
[0], phba
->work_status
[1]);
736 event_data
= FC_REG_DUMP_EVENT
;
737 shost
= lpfc_shost_from_vport(vport
);
738 fc_host_post_vendor_event(shost
, fc_get_event_number(),
739 sizeof(event_data
), (char *) &event_data
,
740 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
742 spin_lock_irq(&phba
->hbalock
);
743 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
744 spin_unlock_irq(&phba
->hbalock
);
745 lpfc_offline_prep(phba
);
747 lpfc_unblock_mgmt_io(phba
);
748 phba
->link_state
= LPFC_HBA_ERROR
;
749 lpfc_hba_down_post(phba
);
753 /************************************************************************/
755 /* lpfc_handle_latt */
756 /* This routine will handle processing a Host Attention */
757 /* Link Status event. This will be initialized */
758 /* as a SLI layer callback routine. */
760 /************************************************************************/
762 lpfc_handle_latt(struct lpfc_hba
*phba
)
764 struct lpfc_vport
*vport
= phba
->pport
;
765 struct lpfc_sli
*psli
= &phba
->sli
;
767 volatile uint32_t control
;
768 struct lpfc_dmabuf
*mp
;
771 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
773 goto lpfc_handle_latt_err_exit
;
775 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
777 goto lpfc_handle_latt_free_pmb
;
779 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
781 goto lpfc_handle_latt_free_mp
;
785 /* Cleanup any outstanding ELS commands */
786 lpfc_els_flush_all_cmd(phba
);
788 psli
->slistat
.link_event
++;
789 lpfc_read_la(phba
, pmb
, mp
);
790 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
792 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
793 if (rc
== MBX_NOT_FINISHED
)
794 goto lpfc_handle_latt_free_mbuf
;
796 /* Clear Link Attention in HA REG */
797 spin_lock_irq(&phba
->hbalock
);
798 writel(HA_LATT
, phba
->HAregaddr
);
799 readl(phba
->HAregaddr
); /* flush */
800 spin_unlock_irq(&phba
->hbalock
);
804 lpfc_handle_latt_free_mbuf
:
805 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
806 lpfc_handle_latt_free_mp
:
808 lpfc_handle_latt_free_pmb
:
809 mempool_free(pmb
, phba
->mbox_mem_pool
);
810 lpfc_handle_latt_err_exit
:
811 /* Enable Link attention interrupts */
812 spin_lock_irq(&phba
->hbalock
);
813 psli
->sli_flag
|= LPFC_PROCESS_LA
;
814 control
= readl(phba
->HCregaddr
);
815 control
|= HC_LAINT_ENA
;
816 writel(control
, phba
->HCregaddr
);
817 readl(phba
->HCregaddr
); /* flush */
819 /* Clear Link Attention in HA REG */
820 writel(HA_LATT
, phba
->HAregaddr
);
821 readl(phba
->HAregaddr
); /* flush */
822 spin_unlock_irq(&phba
->hbalock
);
824 phba
->link_state
= LPFC_HBA_ERROR
;
826 /* The other case is an error from issue_mbox */
828 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
829 "0300 READ_LA: no buffers\n");
834 /************************************************************************/
837 /* This routine will parse the VPD data */
839 /************************************************************************/
841 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
843 uint8_t lenlo
, lenhi
;
853 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
854 "0455 Vital Product Data: x%x x%x x%x x%x\n",
855 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
857 while (!finished
&& (index
< (len
- 4))) {
858 switch (vpd
[index
]) {
866 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
875 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
876 if (Length
> len
- index
)
877 Length
= len
- index
;
879 /* Look for Serial Number */
880 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
887 phba
->SerialNumber
[j
++] = vpd
[index
++];
891 phba
->SerialNumber
[j
] = 0;
894 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
895 phba
->vpd_flag
|= VPD_MODEL_DESC
;
902 phba
->ModelDesc
[j
++] = vpd
[index
++];
906 phba
->ModelDesc
[j
] = 0;
909 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
910 phba
->vpd_flag
|= VPD_MODEL_NAME
;
917 phba
->ModelName
[j
++] = vpd
[index
++];
921 phba
->ModelName
[j
] = 0;
924 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
925 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
932 phba
->ProgramType
[j
++] = vpd
[index
++];
936 phba
->ProgramType
[j
] = 0;
939 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
940 phba
->vpd_flag
|= VPD_PORT
;
947 phba
->Port
[j
++] = vpd
[index
++];
977 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
980 uint16_t dev_id
= phba
->pcidev
->device
;
986 } m
= {"<Unknown>", 0, ""};
988 if (mdp
&& mdp
[0] != '\0'
989 && descp
&& descp
[0] != '\0')
992 if (phba
->lmt
& LMT_10Gb
)
994 else if (phba
->lmt
& LMT_8Gb
)
996 else if (phba
->lmt
& LMT_4Gb
)
998 else if (phba
->lmt
& LMT_2Gb
)
1006 case PCI_DEVICE_ID_FIREFLY
:
1007 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
1009 case PCI_DEVICE_ID_SUPERFLY
:
1010 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1011 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1013 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1015 case PCI_DEVICE_ID_DRAGONFLY
:
1016 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1018 case PCI_DEVICE_ID_CENTAUR
:
1019 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1020 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1022 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1024 case PCI_DEVICE_ID_RFLY
:
1025 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1027 case PCI_DEVICE_ID_PEGASUS
:
1028 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1030 case PCI_DEVICE_ID_THOR
:
1031 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1033 case PCI_DEVICE_ID_VIPER
:
1034 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1036 case PCI_DEVICE_ID_PFLY
:
1037 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1039 case PCI_DEVICE_ID_TFLY
:
1040 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1042 case PCI_DEVICE_ID_HELIOS
:
1043 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1045 case PCI_DEVICE_ID_HELIOS_SCSP
:
1046 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1048 case PCI_DEVICE_ID_HELIOS_DCSP
:
1049 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1051 case PCI_DEVICE_ID_NEPTUNE
:
1052 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1054 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1055 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1057 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1058 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1060 case PCI_DEVICE_ID_BMID
:
1061 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1063 case PCI_DEVICE_ID_BSMB
:
1064 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1066 case PCI_DEVICE_ID_ZEPHYR
:
1067 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1069 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1070 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1072 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1073 m
= (typeof(m
)){"LPe11002-SP", max_speed
, "PCIe"};
1075 case PCI_DEVICE_ID_ZMID
:
1076 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1078 case PCI_DEVICE_ID_ZSMB
:
1079 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1081 case PCI_DEVICE_ID_LP101
:
1082 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1084 case PCI_DEVICE_ID_LP10000S
:
1085 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1087 case PCI_DEVICE_ID_LP11000S
:
1088 m
= (typeof(m
)){"LP11000-S", max_speed
,
1091 case PCI_DEVICE_ID_LPE11000S
:
1092 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1095 case PCI_DEVICE_ID_SAT
:
1096 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1098 case PCI_DEVICE_ID_SAT_MID
:
1099 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1101 case PCI_DEVICE_ID_SAT_SMB
:
1102 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1104 case PCI_DEVICE_ID_SAT_DCSP
:
1105 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1107 case PCI_DEVICE_ID_SAT_SCSP
:
1108 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1110 case PCI_DEVICE_ID_SAT_S
:
1111 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1114 m
= (typeof(m
)){ NULL
};
1118 if (mdp
&& mdp
[0] == '\0')
1119 snprintf(mdp
, 79,"%s", m
.name
);
1120 if (descp
&& descp
[0] == '\0')
1121 snprintf(descp
, 255,
1122 "Emulex %s %dGb %s Fibre Channel Adapter",
1123 m
.name
, m
.max_speed
, m
.bus
);
1126 /**************************************************/
1127 /* lpfc_post_buffer */
1129 /* This routine will post count buffers to the */
1130 /* ring with the QUE_RING_BUF_CN command. This */
1131 /* allows 3 buffers / command to be posted. */
1132 /* Returns the number of buffers NOT posted. */
1133 /**************************************************/
1135 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
,
1139 struct lpfc_iocbq
*iocb
;
1140 struct lpfc_dmabuf
*mp1
, *mp2
;
1142 cnt
+= pring
->missbufcnt
;
1144 /* While there are buffers to post */
1146 /* Allocate buffer for command iocb */
1147 iocb
= lpfc_sli_get_iocbq(phba
);
1149 pring
->missbufcnt
= cnt
;
1154 /* 2 buffers can be posted per command */
1155 /* Allocate buffer to post */
1156 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1158 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1159 if (!mp1
|| !mp1
->virt
) {
1161 lpfc_sli_release_iocbq(phba
, iocb
);
1162 pring
->missbufcnt
= cnt
;
1166 INIT_LIST_HEAD(&mp1
->list
);
1167 /* Allocate buffer to post */
1169 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1171 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1173 if (!mp2
|| !mp2
->virt
) {
1175 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1177 lpfc_sli_release_iocbq(phba
, iocb
);
1178 pring
->missbufcnt
= cnt
;
1182 INIT_LIST_HEAD(&mp2
->list
);
1187 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1188 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1189 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1190 icmd
->ulpBdeCount
= 1;
1193 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1194 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1195 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1197 icmd
->ulpBdeCount
= 2;
1200 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1203 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1204 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1208 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1212 lpfc_sli_release_iocbq(phba
, iocb
);
1213 pring
->missbufcnt
= cnt
;
1216 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1218 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1220 pring
->missbufcnt
= 0;
1224 /************************************************************************/
1226 /* lpfc_post_rcv_buf */
1227 /* This routine post initial rcv buffers to the configured rings */
1229 /************************************************************************/
1231 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1233 struct lpfc_sli
*psli
= &phba
->sli
;
1235 /* Ring 0, ELS / CT buffers */
1236 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1237 /* Ring 2 - FCP no buffers needed */
1242 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1244 /************************************************************************/
1248 /************************************************************************/
1250 lpfc_sha_init(uint32_t * HashResultPointer
)
1252 HashResultPointer
[0] = 0x67452301;
1253 HashResultPointer
[1] = 0xEFCDAB89;
1254 HashResultPointer
[2] = 0x98BADCFE;
1255 HashResultPointer
[3] = 0x10325476;
1256 HashResultPointer
[4] = 0xC3D2E1F0;
1259 /************************************************************************/
1261 /* lpfc_sha_iterate */
1263 /************************************************************************/
1265 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1269 uint32_t A
, B
, C
, D
, E
;
1272 HashWorkingPointer
[t
] =
1274 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1276 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1277 } while (++t
<= 79);
1279 A
= HashResultPointer
[0];
1280 B
= HashResultPointer
[1];
1281 C
= HashResultPointer
[2];
1282 D
= HashResultPointer
[3];
1283 E
= HashResultPointer
[4];
1287 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1288 } else if (t
< 40) {
1289 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1290 } else if (t
< 60) {
1291 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1293 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1295 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1301 } while (++t
<= 79);
1303 HashResultPointer
[0] += A
;
1304 HashResultPointer
[1] += B
;
1305 HashResultPointer
[2] += C
;
1306 HashResultPointer
[3] += D
;
1307 HashResultPointer
[4] += E
;
1311 /************************************************************************/
1313 /* lpfc_challenge_key */
1315 /************************************************************************/
1317 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1319 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1322 /************************************************************************/
1326 /************************************************************************/
1328 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1331 uint32_t *HashWorking
;
1332 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1334 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1338 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1339 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1341 for (t
= 0; t
< 7; t
++)
1342 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1344 lpfc_sha_init(hbainit
);
1345 lpfc_sha_iterate(hbainit
, HashWorking
);
1350 lpfc_cleanup(struct lpfc_vport
*vport
)
1352 struct lpfc_hba
*phba
= vport
->phba
;
1353 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1356 if (phba
->link_state
> LPFC_LINK_DOWN
)
1357 lpfc_port_link_failure(vport
);
1359 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1360 if (ndlp
->nlp_type
& NLP_FABRIC
)
1361 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1362 NLP_EVT_DEVICE_RECOVERY
);
1363 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1367 /* At this point, ALL ndlp's should be gone
1368 * because of the previous NLP_EVT_DEVICE_RM.
1369 * Lets wait for this to happen, if needed.
1371 while (!list_empty(&vport
->fc_nodes
)) {
1374 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
1375 "0233 Nodelist not empty\n");
1379 /* Wait for any activity on ndlps to settle */
1386 lpfc_establish_link_tmo(unsigned long ptr
)
1388 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
1389 struct lpfc_vport
**vports
;
1390 unsigned long iflag
;
1393 /* Re-establishing Link, timer expired */
1394 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1395 "1300 Re-establishing Link, timer expired "
1397 phba
->pport
->fc_flag
, phba
->pport
->port_state
);
1398 vports
= lpfc_create_vport_work_array(phba
);
1400 for(i
= 0; i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
; i
++) {
1401 struct Scsi_Host
*shost
;
1402 shost
= lpfc_shost_from_vport(vports
[i
]);
1403 spin_lock_irqsave(shost
->host_lock
, iflag
);
1404 vports
[i
]->fc_flag
&= ~FC_ESTABLISH_LINK
;
1405 spin_unlock_irqrestore(shost
->host_lock
, iflag
);
1407 lpfc_destroy_vport_work_array(vports
);
1411 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
1413 del_timer_sync(&vport
->els_tmofunc
);
1414 del_timer_sync(&vport
->fc_fdmitmo
);
1415 lpfc_can_disctmo(vport
);
1420 lpfc_stop_phba_timers(struct lpfc_hba
*phba
)
1422 del_timer_sync(&phba
->fcp_poll_timer
);
1423 del_timer_sync(&phba
->fc_estabtmo
);
1424 lpfc_stop_vport_timers(phba
->pport
);
1425 del_timer_sync(&phba
->sli
.mbox_tmo
);
1426 del_timer_sync(&phba
->fabric_block_timer
);
1427 phba
->hb_outstanding
= 0;
1428 del_timer_sync(&phba
->hb_tmofunc
);
1433 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
1435 unsigned long iflag
;
1437 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1438 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
1439 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1443 lpfc_online(struct lpfc_hba
*phba
)
1445 struct lpfc_vport
*vport
= phba
->pport
;
1446 struct lpfc_vport
**vports
;
1452 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
1455 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1456 "0458 Bring Adapter online\n");
1458 lpfc_block_mgmt_io(phba
);
1460 if (!lpfc_sli_queue_setup(phba
)) {
1461 lpfc_unblock_mgmt_io(phba
);
1465 if (lpfc_sli_hba_setup(phba
)) { /* Initialize the HBA */
1466 lpfc_unblock_mgmt_io(phba
);
1470 vports
= lpfc_create_vport_work_array(phba
);
1472 for(i
= 0; i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
; i
++) {
1473 struct Scsi_Host
*shost
;
1474 shost
= lpfc_shost_from_vport(vports
[i
]);
1475 spin_lock_irq(shost
->host_lock
);
1476 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
1477 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
1478 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1479 spin_unlock_irq(shost
->host_lock
);
1481 lpfc_destroy_vport_work_array(vports
);
1483 lpfc_unblock_mgmt_io(phba
);
1488 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
1490 unsigned long iflag
;
1492 spin_lock_irqsave(&phba
->hbalock
, iflag
);
1493 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
1494 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
1498 lpfc_offline_prep(struct lpfc_hba
* phba
)
1500 struct lpfc_vport
*vport
= phba
->pport
;
1501 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1502 struct lpfc_vport
**vports
;
1505 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1508 lpfc_block_mgmt_io(phba
);
1510 lpfc_linkdown(phba
);
1512 /* Issue an unreg_login to all nodes on all vports */
1513 vports
= lpfc_create_vport_work_array(phba
);
1514 if (vports
!= NULL
) {
1515 for(i
= 0; i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
; i
++) {
1516 struct Scsi_Host
*shost
;
1518 if (vports
[i
]->load_flag
& FC_UNLOADING
)
1520 shost
= lpfc_shost_from_vport(vports
[i
]);
1521 list_for_each_entry_safe(ndlp
, next_ndlp
,
1522 &vports
[i
]->fc_nodes
,
1524 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
1526 if (ndlp
->nlp_type
& NLP_FABRIC
) {
1527 lpfc_disc_state_machine(vports
[i
], ndlp
,
1528 NULL
, NLP_EVT_DEVICE_RECOVERY
);
1529 lpfc_disc_state_machine(vports
[i
], ndlp
,
1530 NULL
, NLP_EVT_DEVICE_RM
);
1532 spin_lock_irq(shost
->host_lock
);
1533 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
1534 spin_unlock_irq(shost
->host_lock
);
1535 lpfc_unreg_rpi(vports
[i
], ndlp
);
1539 lpfc_destroy_vport_work_array(vports
);
1541 lpfc_sli_flush_mbox_queue(phba
);
1545 lpfc_offline(struct lpfc_hba
*phba
)
1547 struct Scsi_Host
*shost
;
1548 struct lpfc_vport
**vports
;
1551 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1554 /* stop all timers associated with this hba */
1555 lpfc_stop_phba_timers(phba
);
1556 vports
= lpfc_create_vport_work_array(phba
);
1558 for(i
= 0; i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
; i
++)
1559 lpfc_stop_vport_timers(vports
[i
]);
1560 lpfc_destroy_vport_work_array(vports
);
1561 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1562 "0460 Bring Adapter offline\n");
1563 /* Bring down the SLI Layer and cleanup. The HBA is offline
1565 lpfc_sli_hba_down(phba
);
1566 spin_lock_irq(&phba
->hbalock
);
1568 spin_unlock_irq(&phba
->hbalock
);
1569 vports
= lpfc_create_vport_work_array(phba
);
1571 for(i
= 0; i
< LPFC_MAX_VPORTS
&& vports
[i
] != NULL
; i
++) {
1572 shost
= lpfc_shost_from_vport(vports
[i
]);
1573 spin_lock_irq(shost
->host_lock
);
1574 vports
[i
]->work_port_events
= 0;
1575 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
1576 spin_unlock_irq(shost
->host_lock
);
1578 lpfc_destroy_vport_work_array(vports
);
1581 /******************************************************************************
1582 * Function name: lpfc_scsi_free
1584 * Description: Called from lpfc_pci_remove_one free internal driver resources
1586 ******************************************************************************/
1588 lpfc_scsi_free(struct lpfc_hba
*phba
)
1590 struct lpfc_scsi_buf
*sb
, *sb_next
;
1591 struct lpfc_iocbq
*io
, *io_next
;
1593 spin_lock_irq(&phba
->hbalock
);
1594 /* Release all the lpfc_scsi_bufs maintained by this host. */
1595 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1596 list_del(&sb
->list
);
1597 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1600 phba
->total_scsi_bufs
--;
1603 /* Release all the lpfc_iocbq entries maintained by this host. */
1604 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1605 list_del(&io
->list
);
1607 phba
->total_iocbq_bufs
--;
1610 spin_unlock_irq(&phba
->hbalock
);
1616 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
1618 struct lpfc_vport
*vport
;
1619 struct Scsi_Host
*shost
;
1622 if (dev
!= &phba
->pcidev
->dev
)
1623 shost
= scsi_host_alloc(&lpfc_vport_template
,
1624 sizeof(struct lpfc_vport
));
1626 shost
= scsi_host_alloc(&lpfc_template
,
1627 sizeof(struct lpfc_vport
));
1631 vport
= (struct lpfc_vport
*) shost
->hostdata
;
1634 vport
->load_flag
|= FC_LOADING
;
1635 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
1637 lpfc_get_vport_cfgparam(vport
);
1638 shost
->unique_id
= instance
;
1639 shost
->max_id
= LPFC_MAX_TARGET
;
1640 shost
->max_lun
= vport
->cfg_max_luns
;
1641 shost
->this_id
= -1;
1642 shost
->max_cmd_len
= 16;
1644 * Set initial can_queue value since 0 is no longer supported and
1645 * scsi_add_host will fail. This will be adjusted later based on the
1646 * max xri value determined in hba setup.
1648 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1649 if (dev
!= &phba
->pcidev
->dev
) {
1650 shost
->transportt
= lpfc_vport_transport_template
;
1651 vport
->port_type
= LPFC_NPIV_PORT
;
1653 shost
->transportt
= lpfc_transport_template
;
1654 vport
->port_type
= LPFC_PHYSICAL_PORT
;
1657 /* Initialize all internally managed lists. */
1658 INIT_LIST_HEAD(&vport
->fc_nodes
);
1659 spin_lock_init(&vport
->work_port_lock
);
1661 init_timer(&vport
->fc_disctmo
);
1662 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
1663 vport
->fc_disctmo
.data
= (unsigned long)vport
;
1665 init_timer(&vport
->fc_fdmitmo
);
1666 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1667 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
1669 init_timer(&vport
->els_tmofunc
);
1670 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
1671 vport
->els_tmofunc
.data
= (unsigned long)vport
;
1673 error
= scsi_add_host(shost
, dev
);
1677 spin_lock_irq(&phba
->hbalock
);
1678 list_add_tail(&vport
->listentry
, &phba
->port_list
);
1679 spin_unlock_irq(&phba
->hbalock
);
1683 scsi_host_put(shost
);
1689 destroy_port(struct lpfc_vport
*vport
)
1691 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1692 struct lpfc_hba
*phba
= vport
->phba
;
1694 kfree(vport
->vname
);
1696 lpfc_debugfs_terminate(vport
);
1697 fc_remove_host(shost
);
1698 scsi_remove_host(shost
);
1700 spin_lock_irq(&phba
->hbalock
);
1701 list_del_init(&vport
->listentry
);
1702 spin_unlock_irq(&phba
->hbalock
);
1704 lpfc_cleanup(vport
);
1709 lpfc_get_instance(void)
1713 /* Assign an unused number */
1714 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1716 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
1722 * Note: there is no scan_start function as adapter initialization
1723 * will have asynchronously kicked off the link initialization.
1726 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1728 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1729 struct lpfc_hba
*phba
= vport
->phba
;
1732 spin_lock_irq(shost
->host_lock
);
1734 if (vport
->load_flag
& FC_UNLOADING
) {
1738 if (time
>= 30 * HZ
) {
1739 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1740 "0461 Scanning longer than 30 "
1741 "seconds. Continuing initialization\n");
1745 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
1746 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1747 "0465 Link down longer than 15 "
1748 "seconds. Continuing initialization\n");
1753 if (vport
->port_state
!= LPFC_VPORT_READY
)
1755 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
1757 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
1759 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
1765 spin_unlock_irq(shost
->host_lock
);
1769 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
1771 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1772 struct lpfc_hba
*phba
= vport
->phba
;
1774 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
1777 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
1778 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
1779 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
1781 memset(fc_host_supported_fc4s(shost
), 0,
1782 sizeof(fc_host_supported_fc4s(shost
)));
1783 fc_host_supported_fc4s(shost
)[2] = 1;
1784 fc_host_supported_fc4s(shost
)[7] = 1;
1786 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
1787 sizeof fc_host_symbolic_name(shost
));
1789 fc_host_supported_speeds(shost
) = 0;
1790 if (phba
->lmt
& LMT_10Gb
)
1791 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
1792 if (phba
->lmt
& LMT_8Gb
)
1793 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
1794 if (phba
->lmt
& LMT_4Gb
)
1795 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
1796 if (phba
->lmt
& LMT_2Gb
)
1797 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
1798 if (phba
->lmt
& LMT_1Gb
)
1799 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
1801 fc_host_maxframe_size(shost
) =
1802 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1803 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
1805 /* This value is also unchanging */
1806 memset(fc_host_active_fc4s(shost
), 0,
1807 sizeof(fc_host_active_fc4s(shost
)));
1808 fc_host_active_fc4s(shost
)[2] = 1;
1809 fc_host_active_fc4s(shost
)[7] = 1;
1811 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
1812 spin_lock_irq(shost
->host_lock
);
1813 vport
->load_flag
&= ~FC_LOADING
;
1814 spin_unlock_irq(shost
->host_lock
);
1817 static int __devinit
1818 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1820 struct lpfc_vport
*vport
= NULL
;
1821 struct lpfc_hba
*phba
;
1822 struct lpfc_sli
*psli
;
1823 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1824 struct Scsi_Host
*shost
= NULL
;
1826 unsigned long bar0map_len
, bar2map_len
;
1827 int error
= -ENODEV
, retval
;
1831 if (pci_enable_device(pdev
))
1833 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1834 goto out_disable_device
;
1836 phba
= kzalloc(sizeof (struct lpfc_hba
), GFP_KERNEL
);
1838 goto out_release_regions
;
1840 spin_lock_init(&phba
->hbalock
);
1842 phba
->pcidev
= pdev
;
1844 /* Assign an unused board number */
1845 if ((phba
->brd_no
= lpfc_get_instance()) < 0)
1848 INIT_LIST_HEAD(&phba
->port_list
);
1850 * Get all the module params for configuring this host and then
1851 * establish the host.
1853 lpfc_get_cfgparam(phba
);
1854 phba
->max_vpi
= LPFC_MAX_VPI
;
1856 /* Initialize timers used by driver */
1857 init_timer(&phba
->fc_estabtmo
);
1858 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1859 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1861 init_timer(&phba
->hb_tmofunc
);
1862 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
1863 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
1866 init_timer(&psli
->mbox_tmo
);
1867 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1868 psli
->mbox_tmo
.data
= (unsigned long) phba
;
1869 init_timer(&phba
->fcp_poll_timer
);
1870 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1871 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
1872 init_timer(&phba
->fabric_block_timer
);
1873 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
1874 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
1876 pci_set_master(pdev
);
1877 pci_try_set_mwi(pdev
);
1879 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1880 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1881 goto out_idr_remove
;
1884 * Get the bus address of Bar0 and Bar2 and the number of bytes
1885 * required by each mapping.
1887 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1888 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1890 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1891 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1893 /* Map HBA SLIM to a kernel virtual address. */
1894 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1895 if (!phba
->slim_memmap_p
) {
1897 dev_printk(KERN_ERR
, &pdev
->dev
,
1898 "ioremap failed for SLIM memory.\n");
1899 goto out_idr_remove
;
1902 /* Map HBA Control Registers to a kernel virtual address. */
1903 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1904 if (!phba
->ctrl_regs_memmap_p
) {
1906 dev_printk(KERN_ERR
, &pdev
->dev
,
1907 "ioremap failed for HBA control registers.\n");
1908 goto out_iounmap_slim
;
1911 /* Allocate memory for SLI-2 structures */
1912 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1913 &phba
->slim2p_mapping
, GFP_KERNEL
);
1917 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1919 phba
->hbqslimp
.virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
1920 lpfc_sli_hbq_size(),
1921 &phba
->hbqslimp
.phys
,
1923 if (!phba
->hbqslimp
.virt
)
1926 hbq_count
= lpfc_sli_hbq_count();
1927 ptr
= phba
->hbqslimp
.virt
;
1928 for (i
= 0; i
< hbq_count
; ++i
) {
1929 phba
->hbqs
[i
].hbq_virt
= ptr
;
1930 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
1931 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
1932 sizeof(struct lpfc_hbq_entry
));
1934 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
1935 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
1937 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
1939 /* Initialize the SLI Layer to run with lpfc HBAs. */
1940 lpfc_sli_setup(phba
);
1941 lpfc_sli_queue_setup(phba
);
1943 retval
= lpfc_mem_alloc(phba
);
1946 goto out_free_hbqslimp
;
1949 /* Initialize and populate the iocb list per host. */
1950 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1951 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1952 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1953 if (iocbq_entry
== NULL
) {
1954 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1955 "expected %d count. Unloading driver.\n",
1956 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1958 goto out_free_iocbq
;
1961 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1963 kfree (iocbq_entry
);
1964 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1965 "Unloading driver.\n",
1968 goto out_free_iocbq
;
1971 spin_lock_irq(&phba
->hbalock
);
1972 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1973 phba
->total_iocbq_bufs
++;
1974 spin_unlock_irq(&phba
->hbalock
);
1977 /* Initialize HBA structure */
1978 phba
->fc_edtov
= FF_DEF_EDTOV
;
1979 phba
->fc_ratov
= FF_DEF_RATOV
;
1980 phba
->fc_altov
= FF_DEF_ALTOV
;
1981 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1983 INIT_LIST_HEAD(&phba
->work_list
);
1984 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1985 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1987 /* Startup the kernel thread for this host adapter. */
1988 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1989 "lpfc_worker_%d", phba
->brd_no
);
1990 if (IS_ERR(phba
->worker_thread
)) {
1991 error
= PTR_ERR(phba
->worker_thread
);
1992 goto out_free_iocbq
;
1995 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1996 spin_lock_init(&phba
->scsi_buf_list_lock
);
1997 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1999 /* Initialize list of fabric iocbs */
2000 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
2002 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
2004 goto out_kthread_stop
;
2006 shost
= lpfc_shost_from_vport(vport
);
2007 phba
->pport
= vport
;
2008 lpfc_debugfs_initialize(vport
);
2010 pci_set_drvdata(pdev
, shost
);
2012 if (phba
->cfg_use_msi
) {
2013 retval
= pci_enable_msi(phba
->pcidev
);
2015 phba
->using_msi
= 1;
2017 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2018 "0452 Enable MSI failed, continuing "
2022 retval
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, IRQF_SHARED
,
2023 LPFC_DRIVER_NAME
, phba
);
2025 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2026 "0451 Enable interrupt handler failed\n");
2028 goto out_disable_msi
;
2031 phba
->MBslimaddr
= phba
->slim_memmap_p
;
2032 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
2033 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
2034 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
2035 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
2037 if (lpfc_alloc_sysfs_attr(vport
)) {
2042 if (lpfc_sli_hba_setup(phba
)) {
2044 goto out_remove_device
;
2048 * hba setup may have changed the hba_queue_depth so we need to adjust
2049 * the value of can_queue.
2051 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2053 lpfc_host_attrib_init(shost
);
2055 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
2056 spin_lock_irq(shost
->host_lock
);
2057 lpfc_poll_start_timer(phba
);
2058 spin_unlock_irq(shost
->host_lock
);
2061 scsi_scan_host(shost
);
2066 lpfc_free_sysfs_attr(vport
);
2067 spin_lock_irq(shost
->host_lock
);
2068 vport
->load_flag
|= FC_UNLOADING
;
2069 spin_unlock_irq(shost
->host_lock
);
2071 lpfc_stop_phba_timers(phba
);
2072 phba
->pport
->work_port_events
= 0;
2073 free_irq(phba
->pcidev
->irq
, phba
);
2075 if (phba
->using_msi
)
2076 pci_disable_msi(phba
->pcidev
);
2077 destroy_port(vport
);
2079 kthread_stop(phba
->worker_thread
);
2081 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
2082 &phba
->lpfc_iocb_list
, list
) {
2084 phba
->total_iocbq_bufs
--;
2086 lpfc_mem_free(phba
);
2088 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
2089 phba
->hbqslimp
.phys
);
2091 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
2092 phba
->slim2p_mapping
);
2094 iounmap(phba
->ctrl_regs_memmap_p
);
2096 iounmap(phba
->slim_memmap_p
);
2098 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2101 out_release_regions
:
2102 pci_release_regions(pdev
);
2104 pci_disable_device(pdev
);
2106 pci_set_drvdata(pdev
, NULL
);
2108 scsi_host_put(shost
);
2112 static void __devexit
2113 lpfc_pci_remove_one(struct pci_dev
*pdev
)
2115 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2116 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2117 struct lpfc_hba
*phba
= vport
->phba
;
2118 spin_lock_irq(&phba
->hbalock
);
2119 vport
->load_flag
|= FC_UNLOADING
;
2120 spin_unlock_irq(&phba
->hbalock
);
2122 kfree(vport
->vname
);
2123 lpfc_free_sysfs_attr(vport
);
2125 fc_remove_host(shost
);
2126 scsi_remove_host(shost
);
2127 lpfc_cleanup(vport
);
2130 * Bring down the SLI Layer. This step disable all interrupts,
2131 * clears the rings, discards all mailbox commands, and resets
2134 lpfc_sli_hba_down(phba
);
2135 lpfc_sli_brdrestart(phba
);
2137 lpfc_stop_phba_timers(phba
);
2138 spin_lock_irq(&phba
->hbalock
);
2139 list_del_init(&vport
->listentry
);
2140 spin_unlock_irq(&phba
->hbalock
);
2142 lpfc_debugfs_terminate(vport
);
2144 kthread_stop(phba
->worker_thread
);
2146 /* Release the irq reservation */
2147 free_irq(phba
->pcidev
->irq
, phba
);
2148 if (phba
->using_msi
)
2149 pci_disable_msi(phba
->pcidev
);
2151 pci_set_drvdata(pdev
, NULL
);
2152 scsi_host_put(shost
);
2155 * Call scsi_free before mem_free since scsi bufs are released to their
2156 * corresponding pools here.
2158 lpfc_scsi_free(phba
);
2159 lpfc_mem_free(phba
);
2161 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(), phba
->hbqslimp
.virt
,
2162 phba
->hbqslimp
.phys
);
2164 /* Free resources associated with SLI2 interface */
2165 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
2166 phba
->slim2p
, phba
->slim2p_mapping
);
2168 /* unmap adapter SLIM and Control Registers */
2169 iounmap(phba
->ctrl_regs_memmap_p
);
2170 iounmap(phba
->slim_memmap_p
);
2172 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
2176 pci_release_regions(pdev
);
2177 pci_disable_device(pdev
);
2181 * lpfc_io_error_detected - called when PCI error is detected
2182 * @pdev: Pointer to PCI device
2183 * @state: The current pci conneection state
2185 * This function is called after a PCI bus error affecting
2186 * this device has been detected.
2188 static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev
*pdev
,
2189 pci_channel_state_t state
)
2191 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2192 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2193 struct lpfc_sli
*psli
= &phba
->sli
;
2194 struct lpfc_sli_ring
*pring
;
2196 if (state
== pci_channel_io_perm_failure
)
2197 return PCI_ERS_RESULT_DISCONNECT
;
2199 pci_disable_device(pdev
);
2201 * There may be I/Os dropped by the firmware.
2202 * Error iocb (I/O) on txcmplq and let the SCSI layer
2203 * retry it after re-establishing link.
2205 pring
= &psli
->ring
[psli
->fcp_ring
];
2206 lpfc_sli_abort_iocb_ring(phba
, pring
);
2208 /* Release the irq reservation */
2209 free_irq(phba
->pcidev
->irq
, phba
);
2210 if (phba
->using_msi
)
2211 pci_disable_msi(phba
->pcidev
);
2213 /* Request a slot reset. */
2214 return PCI_ERS_RESULT_NEED_RESET
;
2218 * lpfc_io_slot_reset - called after the pci bus has been reset.
2219 * @pdev: Pointer to PCI device
2221 * Restart the card from scratch, as if from a cold-boot.
2223 static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev
*pdev
)
2225 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2226 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2227 struct lpfc_sli
*psli
= &phba
->sli
;
2228 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
2230 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
2231 if (pci_enable_device_bars(pdev
, bars
)) {
2232 printk(KERN_ERR
"lpfc: Cannot re-enable "
2233 "PCI device after reset.\n");
2234 return PCI_ERS_RESULT_DISCONNECT
;
2237 pci_set_master(pdev
);
2239 /* Re-establishing Link */
2240 spin_lock_irq(shost
->host_lock
);
2241 phba
->pport
->fc_flag
|= FC_ESTABLISH_LINK
;
2242 spin_unlock_irq(shost
->host_lock
);
2244 spin_lock_irq(&phba
->hbalock
);
2245 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
2246 spin_unlock_irq(&phba
->hbalock
);
2249 /* Take device offline; this will perform cleanup */
2251 lpfc_sli_brdrestart(phba
);
2253 return PCI_ERS_RESULT_RECOVERED
;
2257 * lpfc_io_resume - called when traffic can start flowing again.
2258 * @pdev: Pointer to PCI device
2260 * This callback is called when the error recovery driver tells us that
2261 * its OK to resume normal operation.
2263 static void lpfc_io_resume(struct pci_dev
*pdev
)
2265 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
2266 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2268 if (lpfc_online(phba
) == 0) {
2269 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
2273 static struct pci_device_id lpfc_id_table
[] = {
2274 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
2275 PCI_ANY_ID
, PCI_ANY_ID
, },
2276 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
2277 PCI_ANY_ID
, PCI_ANY_ID
, },
2278 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
2279 PCI_ANY_ID
, PCI_ANY_ID
, },
2280 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
2281 PCI_ANY_ID
, PCI_ANY_ID
, },
2282 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
2283 PCI_ANY_ID
, PCI_ANY_ID
, },
2284 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
2285 PCI_ANY_ID
, PCI_ANY_ID
, },
2286 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
2287 PCI_ANY_ID
, PCI_ANY_ID
, },
2288 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
2289 PCI_ANY_ID
, PCI_ANY_ID
, },
2290 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
2291 PCI_ANY_ID
, PCI_ANY_ID
, },
2292 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
2293 PCI_ANY_ID
, PCI_ANY_ID
, },
2294 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
2295 PCI_ANY_ID
, PCI_ANY_ID
, },
2296 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
2297 PCI_ANY_ID
, PCI_ANY_ID
, },
2298 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
2299 PCI_ANY_ID
, PCI_ANY_ID
, },
2300 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
2301 PCI_ANY_ID
, PCI_ANY_ID
, },
2302 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
2303 PCI_ANY_ID
, PCI_ANY_ID
, },
2304 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
2305 PCI_ANY_ID
, PCI_ANY_ID
, },
2306 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
2307 PCI_ANY_ID
, PCI_ANY_ID
, },
2308 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
2309 PCI_ANY_ID
, PCI_ANY_ID
, },
2310 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
2311 PCI_ANY_ID
, PCI_ANY_ID
, },
2312 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
2313 PCI_ANY_ID
, PCI_ANY_ID
, },
2314 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
2315 PCI_ANY_ID
, PCI_ANY_ID
, },
2316 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
2317 PCI_ANY_ID
, PCI_ANY_ID
, },
2318 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
2319 PCI_ANY_ID
, PCI_ANY_ID
, },
2320 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
2321 PCI_ANY_ID
, PCI_ANY_ID
, },
2322 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
2323 PCI_ANY_ID
, PCI_ANY_ID
, },
2324 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
2325 PCI_ANY_ID
, PCI_ANY_ID
, },
2326 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
2327 PCI_ANY_ID
, PCI_ANY_ID
, },
2328 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
2329 PCI_ANY_ID
, PCI_ANY_ID
, },
2330 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
2331 PCI_ANY_ID
, PCI_ANY_ID
, },
2332 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
2333 PCI_ANY_ID
, PCI_ANY_ID
, },
2334 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
2335 PCI_ANY_ID
, PCI_ANY_ID
, },
2336 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
2337 PCI_ANY_ID
, PCI_ANY_ID
, },
2338 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
2339 PCI_ANY_ID
, PCI_ANY_ID
, },
2343 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
2345 static struct pci_error_handlers lpfc_err_handler
= {
2346 .error_detected
= lpfc_io_error_detected
,
2347 .slot_reset
= lpfc_io_slot_reset
,
2348 .resume
= lpfc_io_resume
,
2351 static struct pci_driver lpfc_driver
= {
2352 .name
= LPFC_DRIVER_NAME
,
2353 .id_table
= lpfc_id_table
,
2354 .probe
= lpfc_pci_probe_one
,
2355 .remove
= __devexit_p(lpfc_pci_remove_one
),
2356 .err_handler
= &lpfc_err_handler
,
2364 printk(LPFC_MODULE_DESC
"\n");
2365 printk(LPFC_COPYRIGHT
"\n");
2367 if (lpfc_enable_npiv
) {
2368 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
2369 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
2371 lpfc_transport_template
=
2372 fc_attach_transport(&lpfc_transport_functions
);
2373 if (lpfc_transport_template
== NULL
)
2375 if (lpfc_enable_npiv
) {
2376 lpfc_vport_transport_template
=
2377 fc_attach_transport(&lpfc_vport_transport_functions
);
2378 if (lpfc_vport_transport_template
== NULL
) {
2379 fc_release_transport(lpfc_transport_template
);
2383 error
= pci_register_driver(&lpfc_driver
);
2385 fc_release_transport(lpfc_transport_template
);
2386 fc_release_transport(lpfc_vport_transport_template
);
2395 pci_unregister_driver(&lpfc_driver
);
2396 fc_release_transport(lpfc_transport_template
);
2397 if (lpfc_enable_npiv
)
2398 fc_release_transport(lpfc_vport_transport_template
);
2401 module_init(lpfc_init
);
2402 module_exit(lpfc_exit
);
2403 MODULE_LICENSE("GPL");
2404 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
2405 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2406 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);