1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 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/module.h>
28 #include <linux/kthread.h>
29 #include <linux/pci.h>
30 #include <linux/spinlock.h>
31 #include <linux/ctype.h>
32 #include <linux/aer.h>
33 #include <linux/slab.h>
34 #include <linux/firmware.h>
35 #include <linux/miscdevice.h>
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_device.h>
39 #include <scsi/scsi_host.h>
40 #include <scsi/scsi_transport_fc.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
48 #include "lpfc_scsi.h"
50 #include "lpfc_logmsg.h"
51 #include "lpfc_crtn.h"
52 #include "lpfc_vport.h"
53 #include "lpfc_version.h"
56 unsigned long _dump_buf_data_order
;
58 unsigned long _dump_buf_dif_order
;
59 spinlock_t _dump_buf_lock
;
61 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
62 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
63 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
64 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
65 static int lpfc_setup_endian_order(struct lpfc_hba
*);
66 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
67 static void lpfc_free_sgl_list(struct lpfc_hba
*);
68 static int lpfc_init_sgl_list(struct lpfc_hba
*);
69 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
70 static void lpfc_free_active_sgl(struct lpfc_hba
*);
71 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
72 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
73 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
74 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
75 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
77 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
78 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
79 static DEFINE_IDR(lpfc_hba_index
);
82 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
83 * @phba: pointer to lpfc hba data structure.
85 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
86 * mailbox command. It retrieves the revision information from the HBA and
87 * collects the Vital Product Data (VPD) about the HBA for preparing the
88 * configuration of the HBA.
92 * -ERESTART - requests the SLI layer to reset the HBA and try again.
93 * Any other value - indicates an error.
96 lpfc_config_port_prep(struct lpfc_hba
*phba
)
98 lpfc_vpd_t
*vp
= &phba
->vpd
;
102 char *lpfc_vpd_data
= NULL
;
104 static char licensed
[56] =
105 "key unlock for use with gnu public licensed code only\0";
106 static int init_key
= 1;
108 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
110 phba
->link_state
= LPFC_HBA_ERROR
;
115 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
117 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
119 uint32_t *ptext
= (uint32_t *) licensed
;
121 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
122 *ptext
= cpu_to_be32(*ptext
);
126 lpfc_read_nv(phba
, pmb
);
127 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
128 sizeof (mb
->un
.varRDnvp
.rsvd3
));
129 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
132 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
134 if (rc
!= MBX_SUCCESS
) {
135 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
136 "0324 Config Port initialization "
137 "error, mbxCmd x%x READ_NVPARM, "
139 mb
->mbxCommand
, mb
->mbxStatus
);
140 mempool_free(pmb
, phba
->mbox_mem_pool
);
143 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
145 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
149 phba
->sli3_options
= 0x0;
151 /* Setup and issue mailbox READ REV command */
152 lpfc_read_rev(phba
, pmb
);
153 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
154 if (rc
!= MBX_SUCCESS
) {
155 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
156 "0439 Adapter failed to init, mbxCmd x%x "
157 "READ_REV, mbxStatus x%x\n",
158 mb
->mbxCommand
, mb
->mbxStatus
);
159 mempool_free( pmb
, phba
->mbox_mem_pool
);
165 * The value of rr must be 1 since the driver set the cv field to 1.
166 * This setting requires the FW to set all revision fields.
168 if (mb
->un
.varRdRev
.rr
== 0) {
170 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
171 "0440 Adapter failed to init, READ_REV has "
172 "missing revision information.\n");
173 mempool_free(pmb
, phba
->mbox_mem_pool
);
177 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
178 mempool_free(pmb
, phba
->mbox_mem_pool
);
182 /* Save information as VPD data */
184 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
185 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
186 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
187 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
188 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
189 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
190 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
191 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
192 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
193 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
194 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
195 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
196 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
197 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
198 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
200 /* If the sli feature level is less then 9, we must
201 * tear down all RPIs and VPIs on link down if NPIV
204 if (vp
->rev
.feaLevelHigh
< 9)
205 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
207 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
208 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
209 sizeof (phba
->RandomData
));
211 /* Get adapter VPD information */
212 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
216 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
217 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
219 if (rc
!= MBX_SUCCESS
) {
220 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
221 "0441 VPD not present on adapter, "
222 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
223 mb
->mbxCommand
, mb
->mbxStatus
);
224 mb
->un
.varDmp
.word_cnt
= 0;
226 /* dump mem may return a zero when finished or we got a
227 * mailbox error, either way we are done.
229 if (mb
->un
.varDmp
.word_cnt
== 0)
231 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
232 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
233 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
234 lpfc_vpd_data
+ offset
,
235 mb
->un
.varDmp
.word_cnt
);
236 offset
+= mb
->un
.varDmp
.word_cnt
;
237 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
238 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
240 kfree(lpfc_vpd_data
);
242 mempool_free(pmb
, phba
->mbox_mem_pool
);
247 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
248 * @phba: pointer to lpfc hba data structure.
249 * @pmboxq: pointer to the driver internal queue element for mailbox command.
251 * This is the completion handler for driver's configuring asynchronous event
252 * mailbox command to the device. If the mailbox command returns successfully,
253 * it will set internal async event support flag to 1; otherwise, it will
254 * set internal async event support flag to 0.
257 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
259 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
260 phba
->temp_sensor_support
= 1;
262 phba
->temp_sensor_support
= 0;
263 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
268 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
269 * @phba: pointer to lpfc hba data structure.
270 * @pmboxq: pointer to the driver internal queue element for mailbox command.
272 * This is the completion handler for dump mailbox command for getting
273 * wake up parameters. When this command complete, the response contain
274 * Option rom version of the HBA. This function translate the version number
275 * into a human readable string and store it in OptionROMVersion.
278 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
281 uint32_t prog_id_word
;
283 /* character array used for decoding dist type. */
284 char dist_char
[] = "nabx";
286 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
287 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
291 prg
= (struct prog_id
*) &prog_id_word
;
293 /* word 7 contain option rom version */
294 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
296 /* Decode the Option rom version word to a readable string */
298 dist
= dist_char
[prg
->dist
];
300 if ((prg
->dist
== 3) && (prg
->num
== 0))
301 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
302 prg
->ver
, prg
->rev
, prg
->lev
);
304 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
305 prg
->ver
, prg
->rev
, prg
->lev
,
307 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
312 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
313 * cfg_soft_wwnn, cfg_soft_wwpn
314 * @vport: pointer to lpfc vport data structure.
321 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
323 /* If the soft name exists then update it using the service params */
324 if (vport
->phba
->cfg_soft_wwnn
)
325 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
326 vport
->fc_sparam
.nodeName
.u
.wwn
);
327 if (vport
->phba
->cfg_soft_wwpn
)
328 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
329 vport
->fc_sparam
.portName
.u
.wwn
);
332 * If the name is empty or there exists a soft name
333 * then copy the service params name, otherwise use the fc name
335 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
336 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
337 sizeof(struct lpfc_name
));
339 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
340 sizeof(struct lpfc_name
));
342 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
343 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
344 sizeof(struct lpfc_name
));
346 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
347 sizeof(struct lpfc_name
));
351 * lpfc_config_port_post - Perform lpfc initialization after config port
352 * @phba: pointer to lpfc hba data structure.
354 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
355 * command call. It performs all internal resource and state setups on the
356 * port: post IOCB buffers, enable appropriate host interrupt attentions,
357 * ELS ring timers, etc.
361 * Any other value - error.
364 lpfc_config_port_post(struct lpfc_hba
*phba
)
366 struct lpfc_vport
*vport
= phba
->pport
;
367 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
370 struct lpfc_dmabuf
*mp
;
371 struct lpfc_sli
*psli
= &phba
->sli
;
372 uint32_t status
, timeout
;
376 spin_lock_irq(&phba
->hbalock
);
378 * If the Config port completed correctly the HBA is not
379 * over heated any more.
381 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
382 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
383 spin_unlock_irq(&phba
->hbalock
);
385 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
387 phba
->link_state
= LPFC_HBA_ERROR
;
392 /* Get login parameters for NID. */
393 rc
= lpfc_read_sparam(phba
, pmb
, 0);
395 mempool_free(pmb
, phba
->mbox_mem_pool
);
400 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
402 "0448 Adapter failed init, mbxCmd x%x "
403 "READ_SPARM mbxStatus x%x\n",
404 mb
->mbxCommand
, mb
->mbxStatus
);
405 phba
->link_state
= LPFC_HBA_ERROR
;
406 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
407 mempool_free(pmb
, phba
->mbox_mem_pool
);
408 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
413 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
415 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
416 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
418 pmb
->context1
= NULL
;
419 lpfc_update_vport_wwn(vport
);
421 /* Update the fc_host data structures with new wwn. */
422 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
423 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
424 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
426 /* If no serial number in VPD data, use low 6 bytes of WWNN */
427 /* This should be consolidated into parse_vpd ? - mr */
428 if (phba
->SerialNumber
[0] == 0) {
431 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
432 for (i
= 0; i
< 12; i
++) {
434 j
= ((status
& 0xf0) >> 4);
436 phba
->SerialNumber
[i
] =
437 (char)((uint8_t) 0x30 + (uint8_t) j
);
439 phba
->SerialNumber
[i
] =
440 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
444 phba
->SerialNumber
[i
] =
445 (char)((uint8_t) 0x30 + (uint8_t) j
);
447 phba
->SerialNumber
[i
] =
448 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
452 lpfc_read_config(phba
, pmb
);
454 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
455 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
456 "0453 Adapter failed to init, mbxCmd x%x "
457 "READ_CONFIG, mbxStatus x%x\n",
458 mb
->mbxCommand
, mb
->mbxStatus
);
459 phba
->link_state
= LPFC_HBA_ERROR
;
460 mempool_free( pmb
, phba
->mbox_mem_pool
);
464 /* Check if the port is disabled */
465 lpfc_sli_read_link_ste(phba
);
467 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
468 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
469 phba
->cfg_hba_queue_depth
=
470 (mb
->un
.varRdConfig
.max_xri
+ 1) -
471 lpfc_sli4_get_els_iocb_cnt(phba
);
473 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
475 /* Get the default values for Model Name and Description */
476 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
478 phba
->link_state
= LPFC_LINK_DOWN
;
480 /* Only process IOCBs on ELS ring till hba_state is READY */
481 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
482 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
483 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
484 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
485 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
486 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
488 /* Post receive buffers for desired rings */
489 if (phba
->sli_rev
!= 3)
490 lpfc_post_rcv_buf(phba
);
493 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
495 if (phba
->intr_type
== MSIX
) {
496 rc
= lpfc_config_msi(phba
, pmb
);
498 mempool_free(pmb
, phba
->mbox_mem_pool
);
501 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
502 if (rc
!= MBX_SUCCESS
) {
503 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
504 "0352 Config MSI mailbox command "
505 "failed, mbxCmd x%x, mbxStatus x%x\n",
506 pmb
->u
.mb
.mbxCommand
,
507 pmb
->u
.mb
.mbxStatus
);
508 mempool_free(pmb
, phba
->mbox_mem_pool
);
513 spin_lock_irq(&phba
->hbalock
);
514 /* Initialize ERATT handling flag */
515 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
517 /* Enable appropriate host interrupts */
518 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
519 spin_unlock_irq(&phba
->hbalock
);
522 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
523 if (psli
->num_rings
> 0)
524 status
|= HC_R0INT_ENA
;
525 if (psli
->num_rings
> 1)
526 status
|= HC_R1INT_ENA
;
527 if (psli
->num_rings
> 2)
528 status
|= HC_R2INT_ENA
;
529 if (psli
->num_rings
> 3)
530 status
|= HC_R3INT_ENA
;
532 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
533 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
534 status
&= ~(HC_R0INT_ENA
);
536 writel(status
, phba
->HCregaddr
);
537 readl(phba
->HCregaddr
); /* flush */
538 spin_unlock_irq(&phba
->hbalock
);
540 /* Set up ring-0 (ELS) timer */
541 timeout
= phba
->fc_ratov
* 2;
542 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
543 /* Set up heart beat (HB) timer */
544 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
545 phba
->hb_outstanding
= 0;
546 phba
->last_completion_time
= jiffies
;
547 /* Set up error attention (ERATT) polling timer */
548 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
550 if (phba
->hba_flag
& LINK_DISABLED
) {
551 lpfc_printf_log(phba
,
553 "2598 Adapter Link is disabled.\n");
554 lpfc_down_link(phba
, pmb
);
555 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
556 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
557 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
558 lpfc_printf_log(phba
,
560 "2599 Adapter failed to issue DOWN_LINK"
561 " mbox command rc 0x%x\n", rc
);
563 mempool_free(pmb
, phba
->mbox_mem_pool
);
566 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
567 mempool_free(pmb
, phba
->mbox_mem_pool
);
568 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
572 /* MBOX buffer will be freed in mbox compl */
573 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
575 phba
->link_state
= LPFC_HBA_ERROR
;
579 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
580 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
581 pmb
->vport
= phba
->pport
;
582 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
584 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
585 lpfc_printf_log(phba
,
588 "0456 Adapter failed to issue "
589 "ASYNCEVT_ENABLE mbox status x%x\n",
591 mempool_free(pmb
, phba
->mbox_mem_pool
);
594 /* Get Option rom version */
595 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
597 phba
->link_state
= LPFC_HBA_ERROR
;
601 lpfc_dump_wakeup_param(phba
, pmb
);
602 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
603 pmb
->vport
= phba
->pport
;
604 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
606 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
608 "to get Option ROM version status x%x\n", rc
);
609 mempool_free(pmb
, phba
->mbox_mem_pool
);
616 * lpfc_hba_init_link - Initialize the FC link
617 * @phba: pointer to lpfc hba data structure.
618 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
620 * This routine will issue the INIT_LINK mailbox command call.
621 * It is available to other drivers through the lpfc_hba data
622 * structure for use as a delayed link up mechanism with the
623 * module parameter lpfc_suppress_link_up.
627 * Any other value - error
630 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
632 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
636 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
637 * @phba: pointer to lpfc hba data structure.
638 * @fc_topology: desired fc topology.
639 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
641 * This routine will issue the INIT_LINK mailbox command call.
642 * It is available to other drivers through the lpfc_hba data
643 * structure for use as a delayed link up mechanism with the
644 * module parameter lpfc_suppress_link_up.
648 * Any other value - error
651 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
654 struct lpfc_vport
*vport
= phba
->pport
;
659 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
661 phba
->link_state
= LPFC_HBA_ERROR
;
667 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
668 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
669 !(phba
->lmt
& LMT_1Gb
)) ||
670 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
671 !(phba
->lmt
& LMT_2Gb
)) ||
672 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
673 !(phba
->lmt
& LMT_4Gb
)) ||
674 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
675 !(phba
->lmt
& LMT_8Gb
)) ||
676 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
677 !(phba
->lmt
& LMT_10Gb
)) ||
678 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
679 !(phba
->lmt
& LMT_16Gb
))) {
680 /* Reset link speed to auto */
681 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
682 "1302 Invalid speed for this board:%d "
683 "Reset link speed to auto.\n",
684 phba
->cfg_link_speed
);
685 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
687 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
688 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
689 if (phba
->sli_rev
< LPFC_SLI_REV4
)
690 lpfc_set_loopback_flag(phba
);
691 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
692 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
693 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
694 "0498 Adapter failed to init, mbxCmd x%x "
695 "INIT_LINK, mbxStatus x%x\n",
696 mb
->mbxCommand
, mb
->mbxStatus
);
697 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
698 /* Clear all interrupt enable conditions */
699 writel(0, phba
->HCregaddr
);
700 readl(phba
->HCregaddr
); /* flush */
701 /* Clear all pending interrupts */
702 writel(0xffffffff, phba
->HAregaddr
);
703 readl(phba
->HAregaddr
); /* flush */
705 phba
->link_state
= LPFC_HBA_ERROR
;
706 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
707 mempool_free(pmb
, phba
->mbox_mem_pool
);
710 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
711 if (flag
== MBX_POLL
)
712 mempool_free(pmb
, phba
->mbox_mem_pool
);
718 * lpfc_hba_down_link - this routine downs the FC link
719 * @phba: pointer to lpfc hba data structure.
720 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
722 * This routine will issue the DOWN_LINK mailbox command call.
723 * It is available to other drivers through the lpfc_hba data
724 * structure for use to stop the link.
728 * Any other value - error
731 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
736 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
738 phba
->link_state
= LPFC_HBA_ERROR
;
742 lpfc_printf_log(phba
,
744 "0491 Adapter Link is disabled.\n");
745 lpfc_down_link(phba
, pmb
);
746 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
747 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
748 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
749 lpfc_printf_log(phba
,
751 "2522 Adapter failed to issue DOWN_LINK"
752 " mbox command rc 0x%x\n", rc
);
754 mempool_free(pmb
, phba
->mbox_mem_pool
);
757 if (flag
== MBX_POLL
)
758 mempool_free(pmb
, phba
->mbox_mem_pool
);
764 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
765 * @phba: pointer to lpfc HBA data structure.
767 * This routine will do LPFC uninitialization before the HBA is reset when
768 * bringing down the SLI Layer.
772 * Any other value - error.
775 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
777 struct lpfc_vport
**vports
;
780 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
781 /* Disable interrupts */
782 writel(0, phba
->HCregaddr
);
783 readl(phba
->HCregaddr
); /* flush */
786 if (phba
->pport
->load_flag
& FC_UNLOADING
)
787 lpfc_cleanup_discovery_resources(phba
->pport
);
789 vports
= lpfc_create_vport_work_array(phba
);
791 for (i
= 0; i
<= phba
->max_vports
&&
792 vports
[i
] != NULL
; i
++)
793 lpfc_cleanup_discovery_resources(vports
[i
]);
794 lpfc_destroy_vport_work_array(phba
, vports
);
800 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
801 * @phba: pointer to lpfc HBA data structure.
803 * This routine will do uninitialization after the HBA is reset when bring
804 * down the SLI Layer.
808 * Any other value - error.
811 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
813 struct lpfc_sli
*psli
= &phba
->sli
;
814 struct lpfc_sli_ring
*pring
;
815 struct lpfc_dmabuf
*mp
, *next_mp
;
816 LIST_HEAD(completions
);
819 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
820 lpfc_sli_hbqbuf_free_all(phba
);
822 /* Cleanup preposted buffers on the ELS ring */
823 pring
= &psli
->ring
[LPFC_ELS_RING
];
824 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
826 pring
->postbufq_cnt
--;
827 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
832 spin_lock_irq(&phba
->hbalock
);
833 for (i
= 0; i
< psli
->num_rings
; i
++) {
834 pring
= &psli
->ring
[i
];
836 /* At this point in time the HBA is either reset or DOA. Either
837 * way, nothing should be on txcmplq as it will NEVER complete.
839 list_splice_init(&pring
->txcmplq
, &completions
);
840 pring
->txcmplq_cnt
= 0;
841 spin_unlock_irq(&phba
->hbalock
);
843 /* Cancel all the IOCBs from the completions list */
844 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
847 lpfc_sli_abort_iocb_ring(phba
, pring
);
848 spin_lock_irq(&phba
->hbalock
);
850 spin_unlock_irq(&phba
->hbalock
);
856 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
857 * @phba: pointer to lpfc HBA data structure.
859 * This routine will do uninitialization after the HBA is reset when bring
860 * down the SLI Layer.
864 * Any other value - error.
867 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
869 struct lpfc_scsi_buf
*psb
, *psb_next
;
872 unsigned long iflag
= 0;
873 struct lpfc_sglq
*sglq_entry
= NULL
;
875 ret
= lpfc_hba_down_post_s3(phba
);
878 /* At this point in time the HBA is either reset or DOA. Either
879 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
880 * on the lpfc_sgl_list so that it can either be freed if the
881 * driver is unloading or reposted if the driver is restarting
884 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
886 /* abts_sgl_list_lock required because worker thread uses this
889 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
890 list_for_each_entry(sglq_entry
,
891 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
892 sglq_entry
->state
= SGL_FREED
;
894 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
895 &phba
->sli4_hba
.lpfc_sgl_list
);
896 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
897 /* abts_scsi_buf_list_lock required because worker thread uses this
900 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
901 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
903 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
904 spin_unlock_irq(&phba
->hbalock
);
906 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
908 psb
->status
= IOSTAT_SUCCESS
;
910 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
911 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
912 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
917 * lpfc_hba_down_post - Wrapper func for hba down post routine
918 * @phba: pointer to lpfc HBA data structure.
920 * This routine wraps the actual SLI3 or SLI4 routine for performing
921 * uninitialization after the HBA is reset when bring down the SLI Layer.
925 * Any other value - error.
928 lpfc_hba_down_post(struct lpfc_hba
*phba
)
930 return (*phba
->lpfc_hba_down_post
)(phba
);
934 * lpfc_hb_timeout - The HBA-timer timeout handler
935 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
937 * This is the HBA-timer timeout handler registered to the lpfc driver. When
938 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
939 * work-port-events bitmap and the worker thread is notified. This timeout
940 * event will be used by the worker thread to invoke the actual timeout
941 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
942 * be performed in the timeout handler and the HBA timeout event bit shall
943 * be cleared by the worker thread after it has taken the event bitmap out.
946 lpfc_hb_timeout(unsigned long ptr
)
948 struct lpfc_hba
*phba
;
952 phba
= (struct lpfc_hba
*)ptr
;
954 /* Check for heart beat timeout conditions */
955 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
956 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
958 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
959 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
961 /* Tell the worker thread there is work to do */
963 lpfc_worker_wake_up(phba
);
968 * lpfc_rrq_timeout - The RRQ-timer timeout handler
969 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
971 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
972 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
973 * work-port-events bitmap and the worker thread is notified. This timeout
974 * event will be used by the worker thread to invoke the actual timeout
975 * handler routine, lpfc_rrq_handler. Any periodical operations will
976 * be performed in the timeout handler and the RRQ timeout event bit shall
977 * be cleared by the worker thread after it has taken the event bitmap out.
980 lpfc_rrq_timeout(unsigned long ptr
)
982 struct lpfc_hba
*phba
;
985 phba
= (struct lpfc_hba
*)ptr
;
986 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
987 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
988 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
989 lpfc_worker_wake_up(phba
);
993 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
994 * @phba: pointer to lpfc hba data structure.
995 * @pmboxq: pointer to the driver internal queue element for mailbox command.
997 * This is the callback function to the lpfc heart-beat mailbox command.
998 * If configured, the lpfc driver issues the heart-beat mailbox command to
999 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1000 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1001 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1002 * heart-beat outstanding state. Once the mailbox command comes back and
1003 * no error conditions detected, the heart-beat mailbox command timer is
1004 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1005 * state is cleared for the next heart-beat. If the timer expired with the
1006 * heart-beat outstanding state set, the driver will put the HBA offline.
1009 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1011 unsigned long drvr_flag
;
1013 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1014 phba
->hb_outstanding
= 0;
1015 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1017 /* Check and reset heart-beat timer is necessary */
1018 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1019 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1020 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1021 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1022 mod_timer(&phba
->hb_tmofunc
,
1023 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1028 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1029 * @phba: pointer to lpfc hba data structure.
1031 * This is the actual HBA-timer timeout handler to be invoked by the worker
1032 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1033 * handler performs any periodic operations needed for the device. If such
1034 * periodic event has already been attended to either in the interrupt handler
1035 * or by processing slow-ring or fast-ring events within the HBA-timer
1036 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1037 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1038 * is configured and there is no heart-beat mailbox command outstanding, a
1039 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1040 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1044 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1046 struct lpfc_vport
**vports
;
1047 LPFC_MBOXQ_t
*pmboxq
;
1048 struct lpfc_dmabuf
*buf_ptr
;
1050 struct lpfc_sli
*psli
= &phba
->sli
;
1051 LIST_HEAD(completions
);
1053 vports
= lpfc_create_vport_work_array(phba
);
1055 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1056 lpfc_rcv_seq_check_edtov(vports
[i
]);
1057 lpfc_destroy_vport_work_array(phba
, vports
);
1059 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1060 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1061 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1064 spin_lock_irq(&phba
->pport
->work_port_lock
);
1066 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1068 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1069 if (!phba
->hb_outstanding
)
1070 mod_timer(&phba
->hb_tmofunc
,
1071 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1073 mod_timer(&phba
->hb_tmofunc
,
1074 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1077 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1079 if (phba
->elsbuf_cnt
&&
1080 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1081 spin_lock_irq(&phba
->hbalock
);
1082 list_splice_init(&phba
->elsbuf
, &completions
);
1083 phba
->elsbuf_cnt
= 0;
1084 phba
->elsbuf_prev_cnt
= 0;
1085 spin_unlock_irq(&phba
->hbalock
);
1087 while (!list_empty(&completions
)) {
1088 list_remove_head(&completions
, buf_ptr
,
1089 struct lpfc_dmabuf
, list
);
1090 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1094 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1096 /* If there is no heart beat outstanding, issue a heartbeat command */
1097 if (phba
->cfg_enable_hba_heartbeat
) {
1098 if (!phba
->hb_outstanding
) {
1099 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1100 (list_empty(&psli
->mboxq
))) {
1101 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1104 mod_timer(&phba
->hb_tmofunc
,
1106 HZ
* LPFC_HB_MBOX_INTERVAL
);
1110 lpfc_heart_beat(phba
, pmboxq
);
1111 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1112 pmboxq
->vport
= phba
->pport
;
1113 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1116 if (retval
!= MBX_BUSY
&&
1117 retval
!= MBX_SUCCESS
) {
1118 mempool_free(pmboxq
,
1119 phba
->mbox_mem_pool
);
1120 mod_timer(&phba
->hb_tmofunc
,
1122 HZ
* LPFC_HB_MBOX_INTERVAL
);
1125 phba
->skipped_hb
= 0;
1126 phba
->hb_outstanding
= 1;
1127 } else if (time_before_eq(phba
->last_completion_time
,
1128 phba
->skipped_hb
)) {
1129 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1130 "2857 Last completion time not "
1131 " updated in %d ms\n",
1132 jiffies_to_msecs(jiffies
1133 - phba
->last_completion_time
));
1135 phba
->skipped_hb
= jiffies
;
1137 mod_timer(&phba
->hb_tmofunc
,
1138 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1142 * If heart beat timeout called with hb_outstanding set
1143 * we need to give the hb mailbox cmd a chance to
1146 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1147 "0459 Adapter heartbeat still out"
1148 "standing:last compl time was %d ms.\n",
1149 jiffies_to_msecs(jiffies
1150 - phba
->last_completion_time
));
1151 mod_timer(&phba
->hb_tmofunc
,
1152 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1158 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1159 * @phba: pointer to lpfc hba data structure.
1161 * This routine is called to bring the HBA offline when HBA hardware error
1162 * other than Port Error 6 has been detected.
1165 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1167 struct lpfc_sli
*psli
= &phba
->sli
;
1169 spin_lock_irq(&phba
->hbalock
);
1170 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1171 spin_unlock_irq(&phba
->hbalock
);
1172 lpfc_offline_prep(phba
);
1175 lpfc_reset_barrier(phba
);
1176 spin_lock_irq(&phba
->hbalock
);
1177 lpfc_sli_brdreset(phba
);
1178 spin_unlock_irq(&phba
->hbalock
);
1179 lpfc_hba_down_post(phba
);
1180 lpfc_sli_brdready(phba
, HS_MBRDY
);
1181 lpfc_unblock_mgmt_io(phba
);
1182 phba
->link_state
= LPFC_HBA_ERROR
;
1187 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1188 * @phba: pointer to lpfc hba data structure.
1190 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1191 * other than Port Error 6 has been detected.
1194 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1196 lpfc_offline_prep(phba
);
1198 lpfc_sli4_brdreset(phba
);
1199 lpfc_hba_down_post(phba
);
1200 lpfc_sli4_post_status_check(phba
);
1201 lpfc_unblock_mgmt_io(phba
);
1202 phba
->link_state
= LPFC_HBA_ERROR
;
1206 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1207 * @phba: pointer to lpfc hba data structure.
1209 * This routine is invoked to handle the deferred HBA hardware error
1210 * conditions. This type of error is indicated by HBA by setting ER1
1211 * and another ER bit in the host status register. The driver will
1212 * wait until the ER1 bit clears before handling the error condition.
1215 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1217 uint32_t old_host_status
= phba
->work_hs
;
1218 struct lpfc_sli_ring
*pring
;
1219 struct lpfc_sli
*psli
= &phba
->sli
;
1221 /* If the pci channel is offline, ignore possible errors,
1222 * since we cannot communicate with the pci card anyway.
1224 if (pci_channel_offline(phba
->pcidev
)) {
1225 spin_lock_irq(&phba
->hbalock
);
1226 phba
->hba_flag
&= ~DEFER_ERATT
;
1227 spin_unlock_irq(&phba
->hbalock
);
1231 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1232 "0479 Deferred Adapter Hardware Error "
1233 "Data: x%x x%x x%x\n",
1235 phba
->work_status
[0], phba
->work_status
[1]);
1237 spin_lock_irq(&phba
->hbalock
);
1238 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1239 spin_unlock_irq(&phba
->hbalock
);
1243 * Firmware stops when it triggred erratt. That could cause the I/Os
1244 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1245 * SCSI layer retry it after re-establishing link.
1247 pring
= &psli
->ring
[psli
->fcp_ring
];
1248 lpfc_sli_abort_iocb_ring(phba
, pring
);
1251 * There was a firmware error. Take the hba offline and then
1252 * attempt to restart it.
1254 lpfc_offline_prep(phba
);
1257 /* Wait for the ER1 bit to clear.*/
1258 while (phba
->work_hs
& HS_FFER1
) {
1260 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1261 phba
->work_hs
= UNPLUG_ERR
;
1264 /* If driver is unloading let the worker thread continue */
1265 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1272 * This is to ptrotect against a race condition in which
1273 * first write to the host attention register clear the
1274 * host status register.
1276 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1277 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1279 spin_lock_irq(&phba
->hbalock
);
1280 phba
->hba_flag
&= ~DEFER_ERATT
;
1281 spin_unlock_irq(&phba
->hbalock
);
1282 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1283 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1287 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1289 struct lpfc_board_event_header board_event
;
1290 struct Scsi_Host
*shost
;
1292 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1293 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1294 shost
= lpfc_shost_from_vport(phba
->pport
);
1295 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1296 sizeof(board_event
),
1297 (char *) &board_event
,
1302 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1303 * @phba: pointer to lpfc hba data structure.
1305 * This routine is invoked to handle the following HBA hardware error
1307 * 1 - HBA error attention interrupt
1308 * 2 - DMA ring index out of range
1309 * 3 - Mailbox command came back as unknown
1312 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1314 struct lpfc_vport
*vport
= phba
->pport
;
1315 struct lpfc_sli
*psli
= &phba
->sli
;
1316 struct lpfc_sli_ring
*pring
;
1317 uint32_t event_data
;
1318 unsigned long temperature
;
1319 struct temp_event temp_event_data
;
1320 struct Scsi_Host
*shost
;
1322 /* If the pci channel is offline, ignore possible errors,
1323 * since we cannot communicate with the pci card anyway.
1325 if (pci_channel_offline(phba
->pcidev
)) {
1326 spin_lock_irq(&phba
->hbalock
);
1327 phba
->hba_flag
&= ~DEFER_ERATT
;
1328 spin_unlock_irq(&phba
->hbalock
);
1332 /* If resets are disabled then leave the HBA alone and return */
1333 if (!phba
->cfg_enable_hba_reset
)
1336 /* Send an internal error event to mgmt application */
1337 lpfc_board_errevt_to_mgmt(phba
);
1339 if (phba
->hba_flag
& DEFER_ERATT
)
1340 lpfc_handle_deferred_eratt(phba
);
1342 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1343 if (phba
->work_hs
& HS_FFER6
)
1344 /* Re-establishing Link */
1345 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1346 "1301 Re-establishing Link "
1347 "Data: x%x x%x x%x\n",
1348 phba
->work_hs
, phba
->work_status
[0],
1349 phba
->work_status
[1]);
1350 if (phba
->work_hs
& HS_FFER8
)
1351 /* Device Zeroization */
1352 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1353 "2861 Host Authentication device "
1354 "zeroization Data:x%x x%x x%x\n",
1355 phba
->work_hs
, phba
->work_status
[0],
1356 phba
->work_status
[1]);
1358 spin_lock_irq(&phba
->hbalock
);
1359 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1360 spin_unlock_irq(&phba
->hbalock
);
1363 * Firmware stops when it triggled erratt with HS_FFER6.
1364 * That could cause the I/Os dropped by the firmware.
1365 * Error iocb (I/O) on txcmplq and let the SCSI layer
1366 * retry it after re-establishing link.
1368 pring
= &psli
->ring
[psli
->fcp_ring
];
1369 lpfc_sli_abort_iocb_ring(phba
, pring
);
1372 * There was a firmware error. Take the hba offline and then
1373 * attempt to restart it.
1375 lpfc_offline_prep(phba
);
1377 lpfc_sli_brdrestart(phba
);
1378 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1379 lpfc_unblock_mgmt_io(phba
);
1382 lpfc_unblock_mgmt_io(phba
);
1383 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1384 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1385 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1386 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1387 temp_event_data
.data
= (uint32_t)temperature
;
1389 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1390 "0406 Adapter maximum temperature exceeded "
1391 "(%ld), taking this port offline "
1392 "Data: x%x x%x x%x\n",
1393 temperature
, phba
->work_hs
,
1394 phba
->work_status
[0], phba
->work_status
[1]);
1396 shost
= lpfc_shost_from_vport(phba
->pport
);
1397 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1398 sizeof(temp_event_data
),
1399 (char *) &temp_event_data
,
1400 SCSI_NL_VID_TYPE_PCI
1401 | PCI_VENDOR_ID_EMULEX
);
1403 spin_lock_irq(&phba
->hbalock
);
1404 phba
->over_temp_state
= HBA_OVER_TEMP
;
1405 spin_unlock_irq(&phba
->hbalock
);
1406 lpfc_offline_eratt(phba
);
1409 /* The if clause above forces this code path when the status
1410 * failure is a value other than FFER6. Do not call the offline
1411 * twice. This is the adapter hardware error path.
1413 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1414 "0457 Adapter Hardware Error "
1415 "Data: x%x x%x x%x\n",
1417 phba
->work_status
[0], phba
->work_status
[1]);
1419 event_data
= FC_REG_DUMP_EVENT
;
1420 shost
= lpfc_shost_from_vport(vport
);
1421 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1422 sizeof(event_data
), (char *) &event_data
,
1423 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1425 lpfc_offline_eratt(phba
);
1431 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1432 * @phba: pointer to lpfc hba data structure.
1434 * This routine is invoked to handle the SLI4 HBA hardware error attention
1438 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1440 struct lpfc_vport
*vport
= phba
->pport
;
1441 uint32_t event_data
;
1442 struct Scsi_Host
*shost
;
1444 struct lpfc_register portstat_reg
= {0};
1445 uint32_t reg_err1
, reg_err2
;
1446 uint32_t uerrlo_reg
, uemasklo_reg
;
1447 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1450 /* If the pci channel is offline, ignore possible errors, since
1451 * we cannot communicate with the pci card anyway.
1453 if (pci_channel_offline(phba
->pcidev
))
1455 /* If resets are disabled then leave the HBA alone and return */
1456 if (!phba
->cfg_enable_hba_reset
)
1459 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1461 case LPFC_SLI_INTF_IF_TYPE_0
:
1462 pci_rd_rc1
= lpfc_readl(
1463 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1465 pci_rd_rc2
= lpfc_readl(
1466 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1468 /* consider PCI bus read error as pci_channel_offline */
1469 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1471 lpfc_sli4_offline_eratt(phba
);
1473 case LPFC_SLI_INTF_IF_TYPE_2
:
1474 pci_rd_rc1
= lpfc_readl(
1475 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1476 &portstat_reg
.word0
);
1477 /* consider PCI bus read error as pci_channel_offline */
1478 if (pci_rd_rc1
== -EIO
) {
1479 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1480 "3151 PCI bus read access failure: x%x\n",
1481 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1484 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1485 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1486 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1487 /* TODO: Register for Overtemp async events. */
1488 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1489 "2889 Port Overtemperature event, "
1490 "taking port offline\n");
1491 spin_lock_irq(&phba
->hbalock
);
1492 phba
->over_temp_state
= HBA_OVER_TEMP
;
1493 spin_unlock_irq(&phba
->hbalock
);
1494 lpfc_sli4_offline_eratt(phba
);
1497 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1498 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1499 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1500 "3143 Port Down: Firmware Restarted\n");
1501 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1502 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1503 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1504 "3144 Port Down: Debug Dump\n");
1505 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1506 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1507 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1508 "3145 Port Down: Provisioning\n");
1510 * On error status condition, driver need to wait for port
1511 * ready before performing reset.
1513 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1515 /* need reset: attempt for port recovery */
1516 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1517 "2887 Reset Needed: Attempting Port "
1519 lpfc_offline_prep(phba
);
1521 lpfc_sli_brdrestart(phba
);
1522 if (lpfc_online(phba
) == 0) {
1523 lpfc_unblock_mgmt_io(phba
);
1524 /* don't report event on forced debug dump */
1525 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1526 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1531 /* fall through for not able to recover */
1533 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1534 "3152 Unrecoverable error, bring the port "
1536 lpfc_sli4_offline_eratt(phba
);
1538 case LPFC_SLI_INTF_IF_TYPE_1
:
1542 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1543 "3123 Report dump event to upper layer\n");
1544 /* Send an internal error event to mgmt application */
1545 lpfc_board_errevt_to_mgmt(phba
);
1547 event_data
= FC_REG_DUMP_EVENT
;
1548 shost
= lpfc_shost_from_vport(vport
);
1549 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1550 sizeof(event_data
), (char *) &event_data
,
1551 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1555 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1556 * @phba: pointer to lpfc HBA data structure.
1558 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1559 * routine from the API jump table function pointer from the lpfc_hba struct.
1563 * Any other value - error.
1566 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1568 (*phba
->lpfc_handle_eratt
)(phba
);
1572 * lpfc_handle_latt - The HBA link event handler
1573 * @phba: pointer to lpfc hba data structure.
1575 * This routine is invoked from the worker thread to handle a HBA host
1576 * attention link event.
1579 lpfc_handle_latt(struct lpfc_hba
*phba
)
1581 struct lpfc_vport
*vport
= phba
->pport
;
1582 struct lpfc_sli
*psli
= &phba
->sli
;
1584 volatile uint32_t control
;
1585 struct lpfc_dmabuf
*mp
;
1588 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1591 goto lpfc_handle_latt_err_exit
;
1594 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1597 goto lpfc_handle_latt_free_pmb
;
1600 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1603 goto lpfc_handle_latt_free_mp
;
1606 /* Cleanup any outstanding ELS commands */
1607 lpfc_els_flush_all_cmd(phba
);
1609 psli
->slistat
.link_event
++;
1610 lpfc_read_topology(phba
, pmb
, mp
);
1611 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1613 /* Block ELS IOCBs until we have processed this mbox command */
1614 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1615 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1616 if (rc
== MBX_NOT_FINISHED
) {
1618 goto lpfc_handle_latt_free_mbuf
;
1621 /* Clear Link Attention in HA REG */
1622 spin_lock_irq(&phba
->hbalock
);
1623 writel(HA_LATT
, phba
->HAregaddr
);
1624 readl(phba
->HAregaddr
); /* flush */
1625 spin_unlock_irq(&phba
->hbalock
);
1629 lpfc_handle_latt_free_mbuf
:
1630 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1631 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1632 lpfc_handle_latt_free_mp
:
1634 lpfc_handle_latt_free_pmb
:
1635 mempool_free(pmb
, phba
->mbox_mem_pool
);
1636 lpfc_handle_latt_err_exit
:
1637 /* Enable Link attention interrupts */
1638 spin_lock_irq(&phba
->hbalock
);
1639 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1640 control
= readl(phba
->HCregaddr
);
1641 control
|= HC_LAINT_ENA
;
1642 writel(control
, phba
->HCregaddr
);
1643 readl(phba
->HCregaddr
); /* flush */
1645 /* Clear Link Attention in HA REG */
1646 writel(HA_LATT
, phba
->HAregaddr
);
1647 readl(phba
->HAregaddr
); /* flush */
1648 spin_unlock_irq(&phba
->hbalock
);
1649 lpfc_linkdown(phba
);
1650 phba
->link_state
= LPFC_HBA_ERROR
;
1652 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1653 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1659 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1660 * @phba: pointer to lpfc hba data structure.
1661 * @vpd: pointer to the vital product data.
1662 * @len: length of the vital product data in bytes.
1664 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1665 * an array of characters. In this routine, the ModelName, ProgramType, and
1666 * ModelDesc, etc. fields of the phba data structure will be populated.
1669 * 0 - pointer to the VPD passed in is NULL
1673 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1675 uint8_t lenlo
, lenhi
;
1685 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1686 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1687 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1689 while (!finished
&& (index
< (len
- 4))) {
1690 switch (vpd
[index
]) {
1698 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1707 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1708 if (Length
> len
- index
)
1709 Length
= len
- index
;
1710 while (Length
> 0) {
1711 /* Look for Serial Number */
1712 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1719 phba
->SerialNumber
[j
++] = vpd
[index
++];
1723 phba
->SerialNumber
[j
] = 0;
1726 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1727 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1734 phba
->ModelDesc
[j
++] = vpd
[index
++];
1738 phba
->ModelDesc
[j
] = 0;
1741 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1742 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1749 phba
->ModelName
[j
++] = vpd
[index
++];
1753 phba
->ModelName
[j
] = 0;
1756 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1757 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1764 phba
->ProgramType
[j
++] = vpd
[index
++];
1768 phba
->ProgramType
[j
] = 0;
1771 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1772 phba
->vpd_flag
|= VPD_PORT
;
1779 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1780 (phba
->sli4_hba
.pport_name_sta
==
1781 LPFC_SLI4_PPNAME_GET
)) {
1785 phba
->Port
[j
++] = vpd
[index
++];
1789 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1790 (phba
->sli4_hba
.pport_name_sta
==
1791 LPFC_SLI4_PPNAME_NON
))
1818 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1819 * @phba: pointer to lpfc hba data structure.
1820 * @mdp: pointer to the data structure to hold the derived model name.
1821 * @descp: pointer to the data structure to hold the derived description.
1823 * This routine retrieves HBA's description based on its registered PCI device
1824 * ID. The @descp passed into this function points to an array of 256 chars. It
1825 * shall be returned with the model name, maximum speed, and the host bus type.
1826 * The @mdp passed into this function points to an array of 80 chars. When the
1827 * function returns, the @mdp will be filled with the model name.
1830 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1833 uint16_t dev_id
= phba
->pcidev
->device
;
1836 int oneConnect
= 0; /* default is not a oneConnect */
1841 } m
= {"<Unknown>", "", ""};
1843 if (mdp
&& mdp
[0] != '\0'
1844 && descp
&& descp
[0] != '\0')
1847 if (phba
->lmt
& LMT_16Gb
)
1849 else if (phba
->lmt
& LMT_10Gb
)
1851 else if (phba
->lmt
& LMT_8Gb
)
1853 else if (phba
->lmt
& LMT_4Gb
)
1855 else if (phba
->lmt
& LMT_2Gb
)
1863 case PCI_DEVICE_ID_FIREFLY
:
1864 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1866 case PCI_DEVICE_ID_SUPERFLY
:
1867 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1868 m
= (typeof(m
)){"LP7000", "PCI",
1869 "Fibre Channel Adapter"};
1871 m
= (typeof(m
)){"LP7000E", "PCI",
1872 "Fibre Channel Adapter"};
1874 case PCI_DEVICE_ID_DRAGONFLY
:
1875 m
= (typeof(m
)){"LP8000", "PCI",
1876 "Fibre Channel Adapter"};
1878 case PCI_DEVICE_ID_CENTAUR
:
1879 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1880 m
= (typeof(m
)){"LP9002", "PCI",
1881 "Fibre Channel Adapter"};
1883 m
= (typeof(m
)){"LP9000", "PCI",
1884 "Fibre Channel Adapter"};
1886 case PCI_DEVICE_ID_RFLY
:
1887 m
= (typeof(m
)){"LP952", "PCI",
1888 "Fibre Channel Adapter"};
1890 case PCI_DEVICE_ID_PEGASUS
:
1891 m
= (typeof(m
)){"LP9802", "PCI-X",
1892 "Fibre Channel Adapter"};
1894 case PCI_DEVICE_ID_THOR
:
1895 m
= (typeof(m
)){"LP10000", "PCI-X",
1896 "Fibre Channel Adapter"};
1898 case PCI_DEVICE_ID_VIPER
:
1899 m
= (typeof(m
)){"LPX1000", "PCI-X",
1900 "Fibre Channel Adapter"};
1902 case PCI_DEVICE_ID_PFLY
:
1903 m
= (typeof(m
)){"LP982", "PCI-X",
1904 "Fibre Channel Adapter"};
1906 case PCI_DEVICE_ID_TFLY
:
1907 m
= (typeof(m
)){"LP1050", "PCI-X",
1908 "Fibre Channel Adapter"};
1910 case PCI_DEVICE_ID_HELIOS
:
1911 m
= (typeof(m
)){"LP11000", "PCI-X2",
1912 "Fibre Channel Adapter"};
1914 case PCI_DEVICE_ID_HELIOS_SCSP
:
1915 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1916 "Fibre Channel Adapter"};
1918 case PCI_DEVICE_ID_HELIOS_DCSP
:
1919 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1920 "Fibre Channel Adapter"};
1922 case PCI_DEVICE_ID_NEPTUNE
:
1923 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1925 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1926 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1929 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1931 case PCI_DEVICE_ID_BMID
:
1932 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1934 case PCI_DEVICE_ID_BSMB
:
1935 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1937 case PCI_DEVICE_ID_ZEPHYR
:
1938 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1941 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1943 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1944 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1947 case PCI_DEVICE_ID_ZMID
:
1948 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1950 case PCI_DEVICE_ID_ZSMB
:
1951 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1953 case PCI_DEVICE_ID_LP101
:
1954 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_LP10000S
:
1957 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1959 case PCI_DEVICE_ID_LP11000S
:
1960 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
1962 case PCI_DEVICE_ID_LPE11000S
:
1963 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
1965 case PCI_DEVICE_ID_SAT
:
1966 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
1968 case PCI_DEVICE_ID_SAT_MID
:
1969 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
1971 case PCI_DEVICE_ID_SAT_SMB
:
1972 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
1974 case PCI_DEVICE_ID_SAT_DCSP
:
1975 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
1977 case PCI_DEVICE_ID_SAT_SCSP
:
1978 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
1980 case PCI_DEVICE_ID_SAT_S
:
1981 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
1983 case PCI_DEVICE_ID_HORNET
:
1984 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
1987 case PCI_DEVICE_ID_PROTEUS_VF
:
1988 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1989 "Fibre Channel Adapter"};
1991 case PCI_DEVICE_ID_PROTEUS_PF
:
1992 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1993 "Fibre Channel Adapter"};
1995 case PCI_DEVICE_ID_PROTEUS_S
:
1996 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
1997 "Fibre Channel Adapter"};
1999 case PCI_DEVICE_ID_TIGERSHARK
:
2001 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2003 case PCI_DEVICE_ID_TOMCAT
:
2005 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2007 case PCI_DEVICE_ID_FALCON
:
2008 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2009 "EmulexSecure Fibre"};
2011 case PCI_DEVICE_ID_BALIUS
:
2012 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2013 "Fibre Channel Adapter"};
2015 case PCI_DEVICE_ID_LANCER_FC
:
2016 case PCI_DEVICE_ID_LANCER_FC_VF
:
2017 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2019 case PCI_DEVICE_ID_LANCER_FCOE
:
2020 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2022 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2025 m
= (typeof(m
)){"Unknown", "", ""};
2029 if (mdp
&& mdp
[0] == '\0')
2030 snprintf(mdp
, 79,"%s", m
.name
);
2032 * oneConnect hba requires special processing, they are all initiators
2033 * and we put the port number on the end
2035 if (descp
&& descp
[0] == '\0') {
2037 snprintf(descp
, 255,
2038 "Emulex OneConnect %s, %s Initiator, Port %s",
2042 snprintf(descp
, 255,
2043 "Emulex %s %d%s %s %s",
2044 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2050 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2051 * @phba: pointer to lpfc hba data structure.
2052 * @pring: pointer to a IOCB ring.
2053 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2055 * This routine posts a given number of IOCBs with the associated DMA buffer
2056 * descriptors specified by the cnt argument to the given IOCB ring.
2059 * The number of IOCBs NOT able to be posted to the IOCB ring.
2062 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2065 struct lpfc_iocbq
*iocb
;
2066 struct lpfc_dmabuf
*mp1
, *mp2
;
2068 cnt
+= pring
->missbufcnt
;
2070 /* While there are buffers to post */
2072 /* Allocate buffer for command iocb */
2073 iocb
= lpfc_sli_get_iocbq(phba
);
2075 pring
->missbufcnt
= cnt
;
2080 /* 2 buffers can be posted per command */
2081 /* Allocate buffer to post */
2082 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2084 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2085 if (!mp1
|| !mp1
->virt
) {
2087 lpfc_sli_release_iocbq(phba
, iocb
);
2088 pring
->missbufcnt
= cnt
;
2092 INIT_LIST_HEAD(&mp1
->list
);
2093 /* Allocate buffer to post */
2095 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2097 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2099 if (!mp2
|| !mp2
->virt
) {
2101 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2103 lpfc_sli_release_iocbq(phba
, iocb
);
2104 pring
->missbufcnt
= cnt
;
2108 INIT_LIST_HEAD(&mp2
->list
);
2113 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2114 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2115 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2116 icmd
->ulpBdeCount
= 1;
2119 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2120 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2121 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2123 icmd
->ulpBdeCount
= 2;
2126 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2129 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2131 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2135 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2139 lpfc_sli_release_iocbq(phba
, iocb
);
2140 pring
->missbufcnt
= cnt
;
2143 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2145 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2147 pring
->missbufcnt
= 0;
2152 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2153 * @phba: pointer to lpfc hba data structure.
2155 * This routine posts initial receive IOCB buffers to the ELS ring. The
2156 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2160 * 0 - success (currently always success)
2163 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2165 struct lpfc_sli
*psli
= &phba
->sli
;
2167 /* Ring 0, ELS / CT buffers */
2168 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2169 /* Ring 2 - FCP no buffers needed */
2174 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2177 * lpfc_sha_init - Set up initial array of hash table entries
2178 * @HashResultPointer: pointer to an array as hash table.
2180 * This routine sets up the initial values to the array of hash table entries
2184 lpfc_sha_init(uint32_t * HashResultPointer
)
2186 HashResultPointer
[0] = 0x67452301;
2187 HashResultPointer
[1] = 0xEFCDAB89;
2188 HashResultPointer
[2] = 0x98BADCFE;
2189 HashResultPointer
[3] = 0x10325476;
2190 HashResultPointer
[4] = 0xC3D2E1F0;
2194 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2195 * @HashResultPointer: pointer to an initial/result hash table.
2196 * @HashWorkingPointer: pointer to an working hash table.
2198 * This routine iterates an initial hash table pointed by @HashResultPointer
2199 * with the values from the working hash table pointeed by @HashWorkingPointer.
2200 * The results are putting back to the initial hash table, returned through
2201 * the @HashResultPointer as the result hash table.
2204 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2208 uint32_t A
, B
, C
, D
, E
;
2211 HashWorkingPointer
[t
] =
2213 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2215 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2216 } while (++t
<= 79);
2218 A
= HashResultPointer
[0];
2219 B
= HashResultPointer
[1];
2220 C
= HashResultPointer
[2];
2221 D
= HashResultPointer
[3];
2222 E
= HashResultPointer
[4];
2226 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2227 } else if (t
< 40) {
2228 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2229 } else if (t
< 60) {
2230 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2232 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2234 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2240 } while (++t
<= 79);
2242 HashResultPointer
[0] += A
;
2243 HashResultPointer
[1] += B
;
2244 HashResultPointer
[2] += C
;
2245 HashResultPointer
[3] += D
;
2246 HashResultPointer
[4] += E
;
2251 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2252 * @RandomChallenge: pointer to the entry of host challenge random number array.
2253 * @HashWorking: pointer to the entry of the working hash array.
2255 * This routine calculates the working hash array referred by @HashWorking
2256 * from the challenge random numbers associated with the host, referred by
2257 * @RandomChallenge. The result is put into the entry of the working hash
2258 * array and returned by reference through @HashWorking.
2261 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2263 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2267 * lpfc_hba_init - Perform special handling for LC HBA initialization
2268 * @phba: pointer to lpfc hba data structure.
2269 * @hbainit: pointer to an array of unsigned 32-bit integers.
2271 * This routine performs the special handling for LC HBA initialization.
2274 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2277 uint32_t *HashWorking
;
2278 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2280 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2284 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2285 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2287 for (t
= 0; t
< 7; t
++)
2288 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2290 lpfc_sha_init(hbainit
);
2291 lpfc_sha_iterate(hbainit
, HashWorking
);
2296 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2297 * @vport: pointer to a virtual N_Port data structure.
2299 * This routine performs the necessary cleanups before deleting the @vport.
2300 * It invokes the discovery state machine to perform necessary state
2301 * transitions and to release the ndlps associated with the @vport. Note,
2302 * the physical port is treated as @vport 0.
2305 lpfc_cleanup(struct lpfc_vport
*vport
)
2307 struct lpfc_hba
*phba
= vport
->phba
;
2308 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2311 if (phba
->link_state
> LPFC_LINK_DOWN
)
2312 lpfc_port_link_failure(vport
);
2314 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2315 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2316 ndlp
= lpfc_enable_node(vport
, ndlp
,
2317 NLP_STE_UNUSED_NODE
);
2320 spin_lock_irq(&phba
->ndlp_lock
);
2321 NLP_SET_FREE_REQ(ndlp
);
2322 spin_unlock_irq(&phba
->ndlp_lock
);
2323 /* Trigger the release of the ndlp memory */
2327 spin_lock_irq(&phba
->ndlp_lock
);
2328 if (NLP_CHK_FREE_REQ(ndlp
)) {
2329 /* The ndlp should not be in memory free mode already */
2330 spin_unlock_irq(&phba
->ndlp_lock
);
2333 /* Indicate request for freeing ndlp memory */
2334 NLP_SET_FREE_REQ(ndlp
);
2335 spin_unlock_irq(&phba
->ndlp_lock
);
2337 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2338 ndlp
->nlp_DID
== Fabric_DID
) {
2339 /* Just free up ndlp with Fabric_DID for vports */
2344 if (ndlp
->nlp_type
& NLP_FABRIC
)
2345 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2346 NLP_EVT_DEVICE_RECOVERY
);
2348 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2353 /* At this point, ALL ndlp's should be gone
2354 * because of the previous NLP_EVT_DEVICE_RM.
2355 * Lets wait for this to happen, if needed.
2357 while (!list_empty(&vport
->fc_nodes
)) {
2359 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2360 "0233 Nodelist not empty\n");
2361 list_for_each_entry_safe(ndlp
, next_ndlp
,
2362 &vport
->fc_nodes
, nlp_listp
) {
2363 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2365 "0282 did:x%x ndlp:x%p "
2366 "usgmap:x%x refcnt:%d\n",
2367 ndlp
->nlp_DID
, (void *)ndlp
,
2370 &ndlp
->kref
.refcount
));
2375 /* Wait for any activity on ndlps to settle */
2378 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2382 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2383 * @vport: pointer to a virtual N_Port data structure.
2385 * This routine stops all the timers associated with a @vport. This function
2386 * is invoked before disabling or deleting a @vport. Note that the physical
2387 * port is treated as @vport 0.
2390 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2392 del_timer_sync(&vport
->els_tmofunc
);
2393 del_timer_sync(&vport
->fc_fdmitmo
);
2394 del_timer_sync(&vport
->delayed_disc_tmo
);
2395 lpfc_can_disctmo(vport
);
2400 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2401 * @phba: pointer to lpfc hba data structure.
2403 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2404 * caller of this routine should already hold the host lock.
2407 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2409 /* Clear pending FCF rediscovery wait flag */
2410 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2412 /* Now, try to stop the timer */
2413 del_timer(&phba
->fcf
.redisc_wait
);
2417 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2418 * @phba: pointer to lpfc hba data structure.
2420 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2421 * checks whether the FCF rediscovery wait timer is pending with the host
2422 * lock held before proceeding with disabling the timer and clearing the
2423 * wait timer pendig flag.
2426 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2428 spin_lock_irq(&phba
->hbalock
);
2429 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2430 /* FCF rediscovery timer already fired or stopped */
2431 spin_unlock_irq(&phba
->hbalock
);
2434 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2435 /* Clear failover in progress flags */
2436 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2437 spin_unlock_irq(&phba
->hbalock
);
2441 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2442 * @phba: pointer to lpfc hba data structure.
2444 * This routine stops all the timers associated with a HBA. This function is
2445 * invoked before either putting a HBA offline or unloading the driver.
2448 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2450 lpfc_stop_vport_timers(phba
->pport
);
2451 del_timer_sync(&phba
->sli
.mbox_tmo
);
2452 del_timer_sync(&phba
->fabric_block_timer
);
2453 del_timer_sync(&phba
->eratt_poll
);
2454 del_timer_sync(&phba
->hb_tmofunc
);
2455 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2456 del_timer_sync(&phba
->rrq_tmr
);
2457 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2459 phba
->hb_outstanding
= 0;
2461 switch (phba
->pci_dev_grp
) {
2462 case LPFC_PCI_DEV_LP
:
2463 /* Stop any LightPulse device specific driver timers */
2464 del_timer_sync(&phba
->fcp_poll_timer
);
2466 case LPFC_PCI_DEV_OC
:
2467 /* Stop any OneConnect device sepcific driver timers */
2468 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2471 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2472 "0297 Invalid device group (x%x)\n",
2480 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2481 * @phba: pointer to lpfc hba data structure.
2483 * This routine marks a HBA's management interface as blocked. Once the HBA's
2484 * management interface is marked as blocked, all the user space access to
2485 * the HBA, whether they are from sysfs interface or libdfc interface will
2486 * all be blocked. The HBA is set to block the management interface when the
2487 * driver prepares the HBA interface for online or offline.
2490 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2492 unsigned long iflag
;
2493 uint8_t actcmd
= MBX_HEARTBEAT
;
2494 unsigned long timeout
;
2496 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2497 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2498 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2499 if (phba
->sli
.mbox_active
) {
2500 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2501 /* Determine how long we might wait for the active mailbox
2502 * command to be gracefully completed by firmware.
2504 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2505 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2507 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2509 /* Wait for the outstnading mailbox command to complete */
2510 while (phba
->sli
.mbox_active
) {
2511 /* Check active mailbox complete status every 2ms */
2513 if (time_after(jiffies
, timeout
)) {
2514 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2515 "2813 Mgmt IO is Blocked %x "
2516 "- mbox cmd %x still active\n",
2517 phba
->sli
.sli_flag
, actcmd
);
2524 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2525 * @phba: pointer to lpfc hba data structure.
2527 * Allocate RPIs for all active remote nodes. This is needed whenever
2528 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2529 * is to fixup the temporary rpi assignments.
2532 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2534 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2535 struct lpfc_vport
**vports
;
2538 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2541 vports
= lpfc_create_vport_work_array(phba
);
2542 if (vports
!= NULL
) {
2543 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2544 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2547 list_for_each_entry_safe(ndlp
, next_ndlp
,
2548 &vports
[i
]->fc_nodes
,
2550 if (NLP_CHK_NODE_ACT(ndlp
))
2552 lpfc_sli4_alloc_rpi(phba
);
2556 lpfc_destroy_vport_work_array(phba
, vports
);
2560 * lpfc_online - Initialize and bring a HBA online
2561 * @phba: pointer to lpfc hba data structure.
2563 * This routine initializes the HBA and brings a HBA online. During this
2564 * process, the management interface is blocked to prevent user space access
2565 * to the HBA interfering with the driver initialization.
2572 lpfc_online(struct lpfc_hba
*phba
)
2574 struct lpfc_vport
*vport
;
2575 struct lpfc_vport
**vports
;
2580 vport
= phba
->pport
;
2582 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2585 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2586 "0458 Bring Adapter online\n");
2588 lpfc_block_mgmt_io(phba
);
2590 if (!lpfc_sli_queue_setup(phba
)) {
2591 lpfc_unblock_mgmt_io(phba
);
2595 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2596 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2597 lpfc_unblock_mgmt_io(phba
);
2601 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2602 lpfc_unblock_mgmt_io(phba
);
2607 vports
= lpfc_create_vport_work_array(phba
);
2609 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2610 struct Scsi_Host
*shost
;
2611 shost
= lpfc_shost_from_vport(vports
[i
]);
2612 spin_lock_irq(shost
->host_lock
);
2613 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2614 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2615 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2616 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2617 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2618 spin_unlock_irq(shost
->host_lock
);
2620 lpfc_destroy_vport_work_array(phba
, vports
);
2622 lpfc_unblock_mgmt_io(phba
);
2627 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2628 * @phba: pointer to lpfc hba data structure.
2630 * This routine marks a HBA's management interface as not blocked. Once the
2631 * HBA's management interface is marked as not blocked, all the user space
2632 * access to the HBA, whether they are from sysfs interface or libdfc
2633 * interface will be allowed. The HBA is set to block the management interface
2634 * when the driver prepares the HBA interface for online or offline and then
2635 * set to unblock the management interface afterwards.
2638 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2640 unsigned long iflag
;
2642 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2643 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2644 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2648 * lpfc_offline_prep - Prepare a HBA to be brought offline
2649 * @phba: pointer to lpfc hba data structure.
2651 * This routine is invoked to prepare a HBA to be brought offline. It performs
2652 * unregistration login to all the nodes on all vports and flushes the mailbox
2653 * queue to make it ready to be brought offline.
2656 lpfc_offline_prep(struct lpfc_hba
* phba
)
2658 struct lpfc_vport
*vport
= phba
->pport
;
2659 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2660 struct lpfc_vport
**vports
;
2661 struct Scsi_Host
*shost
;
2664 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2667 lpfc_block_mgmt_io(phba
);
2669 lpfc_linkdown(phba
);
2671 /* Issue an unreg_login to all nodes on all vports */
2672 vports
= lpfc_create_vport_work_array(phba
);
2673 if (vports
!= NULL
) {
2674 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2675 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2677 shost
= lpfc_shost_from_vport(vports
[i
]);
2678 spin_lock_irq(shost
->host_lock
);
2679 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2680 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2681 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2682 spin_unlock_irq(shost
->host_lock
);
2684 shost
= lpfc_shost_from_vport(vports
[i
]);
2685 list_for_each_entry_safe(ndlp
, next_ndlp
,
2686 &vports
[i
]->fc_nodes
,
2688 if (!NLP_CHK_NODE_ACT(ndlp
))
2690 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2692 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2693 lpfc_disc_state_machine(vports
[i
], ndlp
,
2694 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2695 lpfc_disc_state_machine(vports
[i
], ndlp
,
2696 NULL
, NLP_EVT_DEVICE_RM
);
2698 spin_lock_irq(shost
->host_lock
);
2699 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2702 * Whenever an SLI4 port goes offline, free the
2703 * RPI. A new RPI when the adapter port comes
2706 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2707 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2709 spin_unlock_irq(shost
->host_lock
);
2710 lpfc_unreg_rpi(vports
[i
], ndlp
);
2714 lpfc_destroy_vport_work_array(phba
, vports
);
2716 lpfc_sli_mbox_sys_shutdown(phba
);
2720 * lpfc_offline - Bring a HBA offline
2721 * @phba: pointer to lpfc hba data structure.
2723 * This routine actually brings a HBA offline. It stops all the timers
2724 * associated with the HBA, brings down the SLI layer, and eventually
2725 * marks the HBA as in offline state for the upper layer protocol.
2728 lpfc_offline(struct lpfc_hba
*phba
)
2730 struct Scsi_Host
*shost
;
2731 struct lpfc_vport
**vports
;
2734 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2737 /* stop port and all timers associated with this hba */
2738 lpfc_stop_port(phba
);
2739 vports
= lpfc_create_vport_work_array(phba
);
2741 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2742 lpfc_stop_vport_timers(vports
[i
]);
2743 lpfc_destroy_vport_work_array(phba
, vports
);
2744 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2745 "0460 Bring Adapter offline\n");
2746 /* Bring down the SLI Layer and cleanup. The HBA is offline
2748 lpfc_sli_hba_down(phba
);
2749 spin_lock_irq(&phba
->hbalock
);
2751 spin_unlock_irq(&phba
->hbalock
);
2752 vports
= lpfc_create_vport_work_array(phba
);
2754 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2755 shost
= lpfc_shost_from_vport(vports
[i
]);
2756 spin_lock_irq(shost
->host_lock
);
2757 vports
[i
]->work_port_events
= 0;
2758 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2759 spin_unlock_irq(shost
->host_lock
);
2761 lpfc_destroy_vport_work_array(phba
, vports
);
2765 * lpfc_scsi_buf_update - Update the scsi_buffers that are already allocated.
2766 * @phba: pointer to lpfc hba data structure.
2768 * This routine goes through all the scsi buffers in the system and updates the
2769 * Physical XRIs assigned to the SCSI buffer because these may change after any
2773 * 0 - successful (for now, it always returns 0)
2776 lpfc_scsi_buf_update(struct lpfc_hba
*phba
)
2778 struct lpfc_scsi_buf
*sb
, *sb_next
;
2780 spin_lock_irq(&phba
->hbalock
);
2781 spin_lock(&phba
->scsi_buf_list_lock
);
2782 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
)
2783 sb
->cur_iocbq
.sli4_xritag
=
2784 phba
->sli4_hba
.xri_ids
[sb
->cur_iocbq
.sli4_lxritag
];
2785 spin_unlock(&phba
->scsi_buf_list_lock
);
2786 spin_unlock_irq(&phba
->hbalock
);
2791 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2792 * @phba: pointer to lpfc hba data structure.
2794 * This routine is to free all the SCSI buffers and IOCBs from the driver
2795 * list back to kernel. It is called from lpfc_pci_remove_one to free
2796 * the internal resources before the device is removed from the system.
2799 * 0 - successful (for now, it always returns 0)
2802 lpfc_scsi_free(struct lpfc_hba
*phba
)
2804 struct lpfc_scsi_buf
*sb
, *sb_next
;
2805 struct lpfc_iocbq
*io
, *io_next
;
2807 spin_lock_irq(&phba
->hbalock
);
2808 /* Release all the lpfc_scsi_bufs maintained by this host. */
2809 spin_lock(&phba
->scsi_buf_list_lock
);
2810 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2811 list_del(&sb
->list
);
2812 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2815 phba
->total_scsi_bufs
--;
2817 spin_unlock(&phba
->scsi_buf_list_lock
);
2819 /* Release all the lpfc_iocbq entries maintained by this host. */
2820 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2821 list_del(&io
->list
);
2823 phba
->total_iocbq_bufs
--;
2826 spin_unlock_irq(&phba
->hbalock
);
2831 * lpfc_create_port - Create an FC port
2832 * @phba: pointer to lpfc hba data structure.
2833 * @instance: a unique integer ID to this FC port.
2834 * @dev: pointer to the device data structure.
2836 * This routine creates a FC port for the upper layer protocol. The FC port
2837 * can be created on top of either a physical port or a virtual port provided
2838 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2839 * and associates the FC port created before adding the shost into the SCSI
2843 * @vport - pointer to the virtual N_Port data structure.
2844 * NULL - port create failed.
2847 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2849 struct lpfc_vport
*vport
;
2850 struct Scsi_Host
*shost
;
2853 if (dev
!= &phba
->pcidev
->dev
)
2854 shost
= scsi_host_alloc(&lpfc_vport_template
,
2855 sizeof(struct lpfc_vport
));
2857 shost
= scsi_host_alloc(&lpfc_template
,
2858 sizeof(struct lpfc_vport
));
2862 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2864 vport
->load_flag
|= FC_LOADING
;
2865 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2866 vport
->fc_rscn_flush
= 0;
2868 lpfc_get_vport_cfgparam(vport
);
2869 shost
->unique_id
= instance
;
2870 shost
->max_id
= LPFC_MAX_TARGET
;
2871 shost
->max_lun
= vport
->cfg_max_luns
;
2872 shost
->this_id
= -1;
2873 shost
->max_cmd_len
= 16;
2874 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2875 shost
->dma_boundary
=
2876 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
2877 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2881 * Set initial can_queue value since 0 is no longer supported and
2882 * scsi_add_host will fail. This will be adjusted later based on the
2883 * max xri value determined in hba setup.
2885 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2886 if (dev
!= &phba
->pcidev
->dev
) {
2887 shost
->transportt
= lpfc_vport_transport_template
;
2888 vport
->port_type
= LPFC_NPIV_PORT
;
2890 shost
->transportt
= lpfc_transport_template
;
2891 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2894 /* Initialize all internally managed lists. */
2895 INIT_LIST_HEAD(&vport
->fc_nodes
);
2896 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2897 spin_lock_init(&vport
->work_port_lock
);
2899 init_timer(&vport
->fc_disctmo
);
2900 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2901 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2903 init_timer(&vport
->fc_fdmitmo
);
2904 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2905 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2907 init_timer(&vport
->els_tmofunc
);
2908 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2909 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2911 init_timer(&vport
->delayed_disc_tmo
);
2912 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
2913 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
2915 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2919 spin_lock_irq(&phba
->hbalock
);
2920 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2921 spin_unlock_irq(&phba
->hbalock
);
2925 scsi_host_put(shost
);
2931 * destroy_port - destroy an FC port
2932 * @vport: pointer to an lpfc virtual N_Port data structure.
2934 * This routine destroys a FC port from the upper layer protocol. All the
2935 * resources associated with the port are released.
2938 destroy_port(struct lpfc_vport
*vport
)
2940 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2941 struct lpfc_hba
*phba
= vport
->phba
;
2943 lpfc_debugfs_terminate(vport
);
2944 fc_remove_host(shost
);
2945 scsi_remove_host(shost
);
2947 spin_lock_irq(&phba
->hbalock
);
2948 list_del_init(&vport
->listentry
);
2949 spin_unlock_irq(&phba
->hbalock
);
2951 lpfc_cleanup(vport
);
2956 * lpfc_get_instance - Get a unique integer ID
2958 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2959 * uses the kernel idr facility to perform the task.
2962 * instance - a unique integer ID allocated as the new instance.
2963 * -1 - lpfc get instance failed.
2966 lpfc_get_instance(void)
2970 /* Assign an unused number */
2971 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2973 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2979 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2980 * @shost: pointer to SCSI host data structure.
2981 * @time: elapsed time of the scan in jiffies.
2983 * This routine is called by the SCSI layer with a SCSI host to determine
2984 * whether the scan host is finished.
2986 * Note: there is no scan_start function as adapter initialization will have
2987 * asynchronously kicked off the link initialization.
2990 * 0 - SCSI host scan is not over yet.
2991 * 1 - SCSI host scan is over.
2993 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2995 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2996 struct lpfc_hba
*phba
= vport
->phba
;
2999 spin_lock_irq(shost
->host_lock
);
3001 if (vport
->load_flag
& FC_UNLOADING
) {
3005 if (time
>= 30 * HZ
) {
3006 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3007 "0461 Scanning longer than 30 "
3008 "seconds. Continuing initialization\n");
3012 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
3013 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3014 "0465 Link down longer than 15 "
3015 "seconds. Continuing initialization\n");
3020 if (vport
->port_state
!= LPFC_VPORT_READY
)
3022 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3024 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
3026 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3032 spin_unlock_irq(shost
->host_lock
);
3037 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3038 * @shost: pointer to SCSI host data structure.
3040 * This routine initializes a given SCSI host attributes on a FC port. The
3041 * SCSI host can be either on top of a physical port or a virtual port.
3043 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3045 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3046 struct lpfc_hba
*phba
= vport
->phba
;
3048 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3051 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3052 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3053 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3055 memset(fc_host_supported_fc4s(shost
), 0,
3056 sizeof(fc_host_supported_fc4s(shost
)));
3057 fc_host_supported_fc4s(shost
)[2] = 1;
3058 fc_host_supported_fc4s(shost
)[7] = 1;
3060 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3061 sizeof fc_host_symbolic_name(shost
));
3063 fc_host_supported_speeds(shost
) = 0;
3064 if (phba
->lmt
& LMT_16Gb
)
3065 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3066 if (phba
->lmt
& LMT_10Gb
)
3067 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3068 if (phba
->lmt
& LMT_8Gb
)
3069 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3070 if (phba
->lmt
& LMT_4Gb
)
3071 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3072 if (phba
->lmt
& LMT_2Gb
)
3073 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3074 if (phba
->lmt
& LMT_1Gb
)
3075 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3077 fc_host_maxframe_size(shost
) =
3078 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3079 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3081 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3083 /* This value is also unchanging */
3084 memset(fc_host_active_fc4s(shost
), 0,
3085 sizeof(fc_host_active_fc4s(shost
)));
3086 fc_host_active_fc4s(shost
)[2] = 1;
3087 fc_host_active_fc4s(shost
)[7] = 1;
3089 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3090 spin_lock_irq(shost
->host_lock
);
3091 vport
->load_flag
&= ~FC_LOADING
;
3092 spin_unlock_irq(shost
->host_lock
);
3096 * lpfc_stop_port_s3 - Stop SLI3 device port
3097 * @phba: pointer to lpfc hba data structure.
3099 * This routine is invoked to stop an SLI3 device port, it stops the device
3100 * from generating interrupts and stops the device driver's timers for the
3104 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3106 /* Clear all interrupt enable conditions */
3107 writel(0, phba
->HCregaddr
);
3108 readl(phba
->HCregaddr
); /* flush */
3109 /* Clear all pending interrupts */
3110 writel(0xffffffff, phba
->HAregaddr
);
3111 readl(phba
->HAregaddr
); /* flush */
3113 /* Reset some HBA SLI setup states */
3114 lpfc_stop_hba_timers(phba
);
3115 phba
->pport
->work_port_events
= 0;
3119 * lpfc_stop_port_s4 - Stop SLI4 device port
3120 * @phba: pointer to lpfc hba data structure.
3122 * This routine is invoked to stop an SLI4 device port, it stops the device
3123 * from generating interrupts and stops the device driver's timers for the
3127 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3129 /* Reset some HBA SLI4 setup states */
3130 lpfc_stop_hba_timers(phba
);
3131 phba
->pport
->work_port_events
= 0;
3132 phba
->sli4_hba
.intr_enable
= 0;
3136 * lpfc_stop_port - Wrapper function for stopping hba port
3137 * @phba: Pointer to HBA context object.
3139 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3140 * the API jump table function pointer from the lpfc_hba struct.
3143 lpfc_stop_port(struct lpfc_hba
*phba
)
3145 phba
->lpfc_stop_port(phba
);
3149 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3150 * @phba: Pointer to hba for which this call is being executed.
3152 * This routine starts the timer waiting for the FCF rediscovery to complete.
3155 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3157 unsigned long fcf_redisc_wait_tmo
=
3158 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3159 /* Start fcf rediscovery wait period timer */
3160 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3161 spin_lock_irq(&phba
->hbalock
);
3162 /* Allow action to new fcf asynchronous event */
3163 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3164 /* Mark the FCF rediscovery pending state */
3165 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3166 spin_unlock_irq(&phba
->hbalock
);
3170 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3171 * @ptr: Map to lpfc_hba data structure pointer.
3173 * This routine is invoked when waiting for FCF table rediscover has been
3174 * timed out. If new FCF record(s) has (have) been discovered during the
3175 * wait period, a new FCF event shall be added to the FCOE async event
3176 * list, and then worker thread shall be waked up for processing from the
3177 * worker thread context.
3180 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3182 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3184 /* Don't send FCF rediscovery event if timer cancelled */
3185 spin_lock_irq(&phba
->hbalock
);
3186 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3187 spin_unlock_irq(&phba
->hbalock
);
3190 /* Clear FCF rediscovery timer pending flag */
3191 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3192 /* FCF rediscovery event to worker thread */
3193 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3194 spin_unlock_irq(&phba
->hbalock
);
3195 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3196 "2776 FCF rediscover quiescent timer expired\n");
3197 /* wake up worker thread */
3198 lpfc_worker_wake_up(phba
);
3202 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3203 * @phba: pointer to lpfc hba data structure.
3204 * @acqe_link: pointer to the async link completion queue entry.
3206 * This routine is to parse the SLI4 link-attention link fault code and
3207 * translate it into the base driver's read link attention mailbox command
3210 * Return: Link-attention status in terms of base driver's coding.
3213 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3214 struct lpfc_acqe_link
*acqe_link
)
3216 uint16_t latt_fault
;
3218 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3219 case LPFC_ASYNC_LINK_FAULT_NONE
:
3220 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3221 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3225 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3226 "0398 Invalid link fault code: x%x\n",
3227 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3228 latt_fault
= MBXERR_ERROR
;
3235 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3236 * @phba: pointer to lpfc hba data structure.
3237 * @acqe_link: pointer to the async link completion queue entry.
3239 * This routine is to parse the SLI4 link attention type and translate it
3240 * into the base driver's link attention type coding.
3242 * Return: Link attention type in terms of base driver's coding.
3245 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3246 struct lpfc_acqe_link
*acqe_link
)
3250 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3251 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3252 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3253 att_type
= LPFC_ATT_LINK_DOWN
;
3255 case LPFC_ASYNC_LINK_STATUS_UP
:
3256 /* Ignore physical link up events - wait for logical link up */
3257 att_type
= LPFC_ATT_RESERVED
;
3259 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3260 att_type
= LPFC_ATT_LINK_UP
;
3263 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3264 "0399 Invalid link attention type: x%x\n",
3265 bf_get(lpfc_acqe_link_status
, acqe_link
));
3266 att_type
= LPFC_ATT_RESERVED
;
3273 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3274 * @phba: pointer to lpfc hba data structure.
3275 * @acqe_link: pointer to the async link completion queue entry.
3277 * This routine is to parse the SLI4 link-attention link speed and translate
3278 * it into the base driver's link-attention link speed coding.
3280 * Return: Link-attention link speed in terms of base driver's coding.
3283 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3284 struct lpfc_acqe_link
*acqe_link
)
3288 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3289 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3290 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3291 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3292 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3294 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3295 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3297 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3298 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3301 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3302 "0483 Invalid link-attention link speed: x%x\n",
3303 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3304 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3311 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3312 * @phba: pointer to lpfc hba data structure.
3313 * @acqe_link: pointer to the async link completion queue entry.
3315 * This routine is to handle the SLI4 asynchronous FCoE link event.
3318 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3319 struct lpfc_acqe_link
*acqe_link
)
3321 struct lpfc_dmabuf
*mp
;
3324 struct lpfc_mbx_read_top
*la
;
3328 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3329 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3331 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3332 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3334 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3335 "0395 The mboxq allocation failed\n");
3338 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3340 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3341 "0396 The lpfc_dmabuf allocation failed\n");
3344 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3346 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3347 "0397 The mbuf allocation failed\n");
3348 goto out_free_dmabuf
;
3351 /* Cleanup any outstanding ELS commands */
3352 lpfc_els_flush_all_cmd(phba
);
3354 /* Block ELS IOCBs until we have done process link event */
3355 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3357 /* Update link event statistics */
3358 phba
->sli
.slistat
.link_event
++;
3360 /* Create lpfc_handle_latt mailbox command from link ACQE */
3361 lpfc_read_topology(phba
, pmb
, mp
);
3362 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3363 pmb
->vport
= phba
->pport
;
3365 /* Keep the link status for extra SLI4 state machine reference */
3366 phba
->sli4_hba
.link_state
.speed
=
3367 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3368 phba
->sli4_hba
.link_state
.duplex
=
3369 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3370 phba
->sli4_hba
.link_state
.status
=
3371 bf_get(lpfc_acqe_link_status
, acqe_link
);
3372 phba
->sli4_hba
.link_state
.type
=
3373 bf_get(lpfc_acqe_link_type
, acqe_link
);
3374 phba
->sli4_hba
.link_state
.number
=
3375 bf_get(lpfc_acqe_link_number
, acqe_link
);
3376 phba
->sli4_hba
.link_state
.fault
=
3377 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3378 phba
->sli4_hba
.link_state
.logical_speed
=
3379 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3380 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3381 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3382 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3383 "Logical speed:%dMbps Fault:%d\n",
3384 phba
->sli4_hba
.link_state
.speed
,
3385 phba
->sli4_hba
.link_state
.topology
,
3386 phba
->sli4_hba
.link_state
.status
,
3387 phba
->sli4_hba
.link_state
.type
,
3388 phba
->sli4_hba
.link_state
.number
,
3389 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3390 phba
->sli4_hba
.link_state
.fault
);
3392 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3393 * topology info. Note: Optional for non FC-AL ports.
3395 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3396 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3397 if (rc
== MBX_NOT_FINISHED
)
3398 goto out_free_dmabuf
;
3402 * For FCoE Mode: fill in all the topology information we need and call
3403 * the READ_TOPOLOGY completion routine to continue without actually
3404 * sending the READ_TOPOLOGY mailbox command to the port.
3406 /* Parse and translate status field */
3408 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3410 /* Parse and translate link attention fields */
3411 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3412 la
->eventTag
= acqe_link
->event_tag
;
3413 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3414 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3415 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3417 /* Fake the the following irrelvant fields */
3418 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3419 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3420 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3421 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3422 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3423 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3425 /* Invoke the lpfc_handle_latt mailbox command callback function */
3426 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3433 mempool_free(pmb
, phba
->mbox_mem_pool
);
3437 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3438 * @phba: pointer to lpfc hba data structure.
3439 * @acqe_fc: pointer to the async fc completion queue entry.
3441 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3442 * that the event was received and then issue a read_topology mailbox command so
3443 * that the rest of the driver will treat it the same as SLI3.
3446 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3448 struct lpfc_dmabuf
*mp
;
3452 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3453 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3454 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3455 "2895 Non FC link Event detected.(%d)\n",
3456 bf_get(lpfc_trailer_type
, acqe_fc
));
3459 /* Keep the link status for extra SLI4 state machine reference */
3460 phba
->sli4_hba
.link_state
.speed
=
3461 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3462 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3463 phba
->sli4_hba
.link_state
.topology
=
3464 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3465 phba
->sli4_hba
.link_state
.status
=
3466 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3467 phba
->sli4_hba
.link_state
.type
=
3468 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3469 phba
->sli4_hba
.link_state
.number
=
3470 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3471 phba
->sli4_hba
.link_state
.fault
=
3472 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3473 phba
->sli4_hba
.link_state
.logical_speed
=
3474 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3475 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3476 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3477 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3478 "%dMbps Fault:%d\n",
3479 phba
->sli4_hba
.link_state
.speed
,
3480 phba
->sli4_hba
.link_state
.topology
,
3481 phba
->sli4_hba
.link_state
.status
,
3482 phba
->sli4_hba
.link_state
.type
,
3483 phba
->sli4_hba
.link_state
.number
,
3484 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3485 phba
->sli4_hba
.link_state
.fault
);
3486 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3488 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3489 "2897 The mboxq allocation failed\n");
3492 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3494 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3495 "2898 The lpfc_dmabuf allocation failed\n");
3498 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3500 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3501 "2899 The mbuf allocation failed\n");
3502 goto out_free_dmabuf
;
3505 /* Cleanup any outstanding ELS commands */
3506 lpfc_els_flush_all_cmd(phba
);
3508 /* Block ELS IOCBs until we have done process link event */
3509 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3511 /* Update link event statistics */
3512 phba
->sli
.slistat
.link_event
++;
3514 /* Create lpfc_handle_latt mailbox command from link ACQE */
3515 lpfc_read_topology(phba
, pmb
, mp
);
3516 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3517 pmb
->vport
= phba
->pport
;
3519 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3520 if (rc
== MBX_NOT_FINISHED
)
3521 goto out_free_dmabuf
;
3527 mempool_free(pmb
, phba
->mbox_mem_pool
);
3531 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3532 * @phba: pointer to lpfc hba data structure.
3533 * @acqe_fc: pointer to the async SLI completion queue entry.
3535 * This routine is to handle the SLI4 asynchronous SLI events.
3538 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3540 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3541 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3542 "x%08x SLI Event Type:%d",
3543 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3544 bf_get(lpfc_trailer_type
, acqe_sli
));
3549 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3550 * @vport: pointer to vport data structure.
3552 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3553 * response to a CVL event.
3555 * Return the pointer to the ndlp with the vport if successful, otherwise
3558 static struct lpfc_nodelist
*
3559 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3561 struct lpfc_nodelist
*ndlp
;
3562 struct Scsi_Host
*shost
;
3563 struct lpfc_hba
*phba
;
3570 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3572 /* Cannot find existing Fabric ndlp, so allocate a new one */
3573 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3576 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3577 /* Set the node type */
3578 ndlp
->nlp_type
|= NLP_FABRIC
;
3579 /* Put ndlp onto node list */
3580 lpfc_enqueue_node(vport
, ndlp
);
3581 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3582 /* re-setup ndlp without removing from node list */
3583 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3587 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3588 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3590 /* If virtual link is not yet instantiated ignore CVL */
3591 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3592 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3594 shost
= lpfc_shost_from_vport(vport
);
3597 lpfc_linkdown_port(vport
);
3598 lpfc_cleanup_pending_mbox(vport
);
3599 spin_lock_irq(shost
->host_lock
);
3600 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3601 spin_unlock_irq(shost
->host_lock
);
3607 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3608 * @vport: pointer to lpfc hba data structure.
3610 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3611 * response to a FCF dead event.
3614 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3616 struct lpfc_vport
**vports
;
3619 vports
= lpfc_create_vport_work_array(phba
);
3621 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3622 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3623 lpfc_destroy_vport_work_array(phba
, vports
);
3627 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3628 * @phba: pointer to lpfc hba data structure.
3629 * @acqe_link: pointer to the async fcoe completion queue entry.
3631 * This routine is to handle the SLI4 asynchronous fcoe event.
3634 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3635 struct lpfc_acqe_fip
*acqe_fip
)
3637 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3639 struct lpfc_vport
*vport
;
3640 struct lpfc_nodelist
*ndlp
;
3641 struct Scsi_Host
*shost
;
3642 int active_vlink_present
;
3643 struct lpfc_vport
**vports
;
3646 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3647 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3648 switch (event_type
) {
3649 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3650 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3651 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3652 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3654 "2546 New FCF event, evt_tag:x%x, "
3656 acqe_fip
->event_tag
,
3659 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3661 "2788 FCF param modified event, "
3662 "evt_tag:x%x, index:x%x\n",
3663 acqe_fip
->event_tag
,
3665 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3667 * During period of FCF discovery, read the FCF
3668 * table record indexed by the event to update
3669 * FCF roundrobin failover eligible FCF bmask.
3671 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3673 "2779 Read FCF (x%x) for updating "
3674 "roundrobin FCF failover bmask\n",
3676 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3679 /* If the FCF discovery is in progress, do nothing. */
3680 spin_lock_irq(&phba
->hbalock
);
3681 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3682 spin_unlock_irq(&phba
->hbalock
);
3685 /* If fast FCF failover rescan event is pending, do nothing */
3686 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3687 spin_unlock_irq(&phba
->hbalock
);
3691 /* If the FCF has been in discovered state, do nothing. */
3692 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3693 spin_unlock_irq(&phba
->hbalock
);
3696 spin_unlock_irq(&phba
->hbalock
);
3698 /* Otherwise, scan the entire FCF table and re-discover SAN */
3699 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3700 "2770 Start FCF table scan per async FCF "
3701 "event, evt_tag:x%x, index:x%x\n",
3702 acqe_fip
->event_tag
, acqe_fip
->index
);
3703 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3704 LPFC_FCOE_FCF_GET_FIRST
);
3706 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3707 "2547 Issue FCF scan read FCF mailbox "
3708 "command failed (x%x)\n", rc
);
3711 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3712 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3713 "2548 FCF Table full count 0x%x tag 0x%x\n",
3714 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3715 acqe_fip
->event_tag
);
3718 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3719 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3720 "2549 FCF (x%x) disconnected from network, "
3721 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3723 * If we are in the middle of FCF failover process, clear
3724 * the corresponding FCF bit in the roundrobin bitmap.
3726 spin_lock_irq(&phba
->hbalock
);
3727 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3728 spin_unlock_irq(&phba
->hbalock
);
3729 /* Update FLOGI FCF failover eligible FCF bmask */
3730 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3733 spin_unlock_irq(&phba
->hbalock
);
3735 /* If the event is not for currently used fcf do nothing */
3736 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
3740 * Otherwise, request the port to rediscover the entire FCF
3741 * table for a fast recovery from case that the current FCF
3742 * is no longer valid as we are not in the middle of FCF
3743 * failover process already.
3745 spin_lock_irq(&phba
->hbalock
);
3746 /* Mark the fast failover process in progress */
3747 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
3748 spin_unlock_irq(&phba
->hbalock
);
3750 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3751 "2771 Start FCF fast failover process due to "
3752 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
3753 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
3754 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3756 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3758 "2772 Issue FCF rediscover mabilbox "
3759 "command failed, fail through to FCF "
3761 spin_lock_irq(&phba
->hbalock
);
3762 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
3763 spin_unlock_irq(&phba
->hbalock
);
3765 * Last resort will fail over by treating this
3766 * as a link down to FCF registration.
3768 lpfc_sli4_fcf_dead_failthrough(phba
);
3770 /* Reset FCF roundrobin bmask for new discovery */
3771 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3773 * Handling fast FCF failover to a DEAD FCF event is
3774 * considered equalivant to receiving CVL to all vports.
3776 lpfc_sli4_perform_all_vport_cvl(phba
);
3779 case LPFC_FIP_EVENT_TYPE_CVL
:
3780 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3781 "2718 Clear Virtual Link Received for VPI 0x%x"
3782 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3784 vport
= lpfc_find_vport_by_vpid(phba
,
3786 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
3789 active_vlink_present
= 0;
3791 vports
= lpfc_create_vport_work_array(phba
);
3793 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
3795 if ((!(vports
[i
]->fc_flag
&
3796 FC_VPORT_CVL_RCVD
)) &&
3797 (vports
[i
]->port_state
> LPFC_FDISC
)) {
3798 active_vlink_present
= 1;
3802 lpfc_destroy_vport_work_array(phba
, vports
);
3805 if (active_vlink_present
) {
3807 * If there are other active VLinks present,
3808 * re-instantiate the Vlink using FDISC.
3810 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3811 shost
= lpfc_shost_from_vport(vport
);
3812 spin_lock_irq(shost
->host_lock
);
3813 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3814 spin_unlock_irq(shost
->host_lock
);
3815 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
3816 vport
->port_state
= LPFC_FDISC
;
3819 * Otherwise, we request port to rediscover
3820 * the entire FCF table for a fast recovery
3821 * from possible case that the current FCF
3822 * is no longer valid if we are not already
3823 * in the FCF failover process.
3825 spin_lock_irq(&phba
->hbalock
);
3826 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3827 spin_unlock_irq(&phba
->hbalock
);
3830 /* Mark the fast failover process in progress */
3831 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
3832 spin_unlock_irq(&phba
->hbalock
);
3833 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3835 "2773 Start FCF failover per CVL, "
3836 "evt_tag:x%x\n", acqe_fip
->event_tag
);
3837 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3839 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3841 "2774 Issue FCF rediscover "
3842 "mabilbox command failed, "
3843 "through to CVL event\n");
3844 spin_lock_irq(&phba
->hbalock
);
3845 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
3846 spin_unlock_irq(&phba
->hbalock
);
3848 * Last resort will be re-try on the
3849 * the current registered FCF entry.
3851 lpfc_retry_pport_discovery(phba
);
3854 * Reset FCF roundrobin bmask for new
3857 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3861 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3862 "0288 Unknown FCoE event type 0x%x event tag "
3863 "0x%x\n", event_type
, acqe_fip
->event_tag
);
3869 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3870 * @phba: pointer to lpfc hba data structure.
3871 * @acqe_link: pointer to the async dcbx completion queue entry.
3873 * This routine is to handle the SLI4 asynchronous dcbx event.
3876 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3877 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3879 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3880 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3881 "0290 The SLI4 DCBX asynchronous event is not "
3886 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
3887 * @phba: pointer to lpfc hba data structure.
3888 * @acqe_link: pointer to the async grp5 completion queue entry.
3890 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
3891 * is an asynchronous notified of a logical link speed change. The Port
3892 * reports the logical link speed in units of 10Mbps.
3895 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
3896 struct lpfc_acqe_grp5
*acqe_grp5
)
3898 uint16_t prev_ll_spd
;
3900 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
3901 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
3902 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
3903 phba
->sli4_hba
.link_state
.logical_speed
=
3904 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
3905 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3906 "2789 GRP5 Async Event: Updating logical link speed "
3907 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
3908 (phba
->sli4_hba
.link_state
.logical_speed
*10));
3912 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3913 * @phba: pointer to lpfc hba data structure.
3915 * This routine is invoked by the worker thread to process all the pending
3916 * SLI4 asynchronous events.
3918 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3920 struct lpfc_cq_event
*cq_event
;
3922 /* First, declare the async event has been handled */
3923 spin_lock_irq(&phba
->hbalock
);
3924 phba
->hba_flag
&= ~ASYNC_EVENT
;
3925 spin_unlock_irq(&phba
->hbalock
);
3926 /* Now, handle all the async events */
3927 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3928 /* Get the first event from the head of the event queue */
3929 spin_lock_irq(&phba
->hbalock
);
3930 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3931 cq_event
, struct lpfc_cq_event
, list
);
3932 spin_unlock_irq(&phba
->hbalock
);
3933 /* Process the asynchronous event */
3934 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3935 case LPFC_TRAILER_CODE_LINK
:
3936 lpfc_sli4_async_link_evt(phba
,
3937 &cq_event
->cqe
.acqe_link
);
3939 case LPFC_TRAILER_CODE_FCOE
:
3940 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
3942 case LPFC_TRAILER_CODE_DCBX
:
3943 lpfc_sli4_async_dcbx_evt(phba
,
3944 &cq_event
->cqe
.acqe_dcbx
);
3946 case LPFC_TRAILER_CODE_GRP5
:
3947 lpfc_sli4_async_grp5_evt(phba
,
3948 &cq_event
->cqe
.acqe_grp5
);
3950 case LPFC_TRAILER_CODE_FC
:
3951 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
3953 case LPFC_TRAILER_CODE_SLI
:
3954 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
3957 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3958 "1804 Invalid asynchrous event code: "
3959 "x%x\n", bf_get(lpfc_trailer_code
,
3960 &cq_event
->cqe
.mcqe_cmpl
));
3963 /* Free the completion event processed to the free pool */
3964 lpfc_sli4_cq_event_release(phba
, cq_event
);
3969 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
3970 * @phba: pointer to lpfc hba data structure.
3972 * This routine is invoked by the worker thread to process FCF table
3973 * rediscovery pending completion event.
3975 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
3979 spin_lock_irq(&phba
->hbalock
);
3980 /* Clear FCF rediscovery timeout event */
3981 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
3982 /* Clear driver fast failover FCF record flag */
3983 phba
->fcf
.failover_rec
.flag
= 0;
3984 /* Set state for FCF fast failover */
3985 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
3986 spin_unlock_irq(&phba
->hbalock
);
3988 /* Scan FCF table from the first entry to re-discover SAN */
3989 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3990 "2777 Start post-quiescent FCF table scan\n");
3991 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3993 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3994 "2747 Issue FCF scan read FCF mailbox "
3995 "command failed 0x%x\n", rc
);
3999 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4000 * @phba: pointer to lpfc hba data structure.
4001 * @dev_grp: The HBA PCI-Device group number.
4003 * This routine is invoked to set up the per HBA PCI-Device group function
4004 * API jump table entries.
4006 * Return: 0 if success, otherwise -ENODEV
4009 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4013 /* Set up lpfc PCI-device group */
4014 phba
->pci_dev_grp
= dev_grp
;
4016 /* The LPFC_PCI_DEV_OC uses SLI4 */
4017 if (dev_grp
== LPFC_PCI_DEV_OC
)
4018 phba
->sli_rev
= LPFC_SLI_REV4
;
4020 /* Set up device INIT API function jump table */
4021 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4024 /* Set up SCSI API function jump table */
4025 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4028 /* Set up SLI API function jump table */
4029 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4032 /* Set up MBOX API function jump table */
4033 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4041 * lpfc_log_intr_mode - Log the active interrupt mode
4042 * @phba: pointer to lpfc hba data structure.
4043 * @intr_mode: active interrupt mode adopted.
4045 * This routine it invoked to log the currently used active interrupt mode
4048 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4050 switch (intr_mode
) {
4052 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4053 "0470 Enable INTx interrupt mode.\n");
4056 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4057 "0481 Enabled MSI interrupt mode.\n");
4060 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4061 "0480 Enabled MSI-X interrupt mode.\n");
4064 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4065 "0482 Illegal interrupt mode.\n");
4072 * lpfc_enable_pci_dev - Enable a generic PCI device.
4073 * @phba: pointer to lpfc hba data structure.
4075 * This routine is invoked to enable the PCI device that is common to all
4080 * other values - error
4083 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4085 struct pci_dev
*pdev
;
4088 /* Obtain PCI device reference */
4092 pdev
= phba
->pcidev
;
4093 /* Select PCI BARs */
4094 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4095 /* Enable PCI device */
4096 if (pci_enable_device_mem(pdev
))
4098 /* Request PCI resource for the device */
4099 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4100 goto out_disable_device
;
4101 /* Set up device as PCI master and save state for EEH */
4102 pci_set_master(pdev
);
4103 pci_try_set_mwi(pdev
);
4104 pci_save_state(pdev
);
4106 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4107 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4108 pdev
->needs_freset
= 1;
4113 pci_disable_device(pdev
);
4115 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4116 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4121 * lpfc_disable_pci_dev - Disable a generic PCI device.
4122 * @phba: pointer to lpfc hba data structure.
4124 * This routine is invoked to disable the PCI device that is common to all
4128 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4130 struct pci_dev
*pdev
;
4133 /* Obtain PCI device reference */
4137 pdev
= phba
->pcidev
;
4138 /* Select PCI BARs */
4139 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4140 /* Release PCI resource and disable PCI device */
4141 pci_release_selected_regions(pdev
, bars
);
4142 pci_disable_device(pdev
);
4143 /* Null out PCI private reference to driver */
4144 pci_set_drvdata(pdev
, NULL
);
4150 * lpfc_reset_hba - Reset a hba
4151 * @phba: pointer to lpfc hba data structure.
4153 * This routine is invoked to reset a hba device. It brings the HBA
4154 * offline, performs a board restart, and then brings the board back
4155 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4156 * on outstanding mailbox commands.
4159 lpfc_reset_hba(struct lpfc_hba
*phba
)
4161 /* If resets are disabled then set error state and return. */
4162 if (!phba
->cfg_enable_hba_reset
) {
4163 phba
->link_state
= LPFC_HBA_ERROR
;
4166 lpfc_offline_prep(phba
);
4168 lpfc_sli_brdrestart(phba
);
4170 lpfc_unblock_mgmt_io(phba
);
4174 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4175 * @phba: pointer to lpfc hba data structure.
4177 * This function enables the PCI SR-IOV virtual functions to a physical
4178 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4179 * enable the number of virtual functions to the physical function. As
4180 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4181 * API call does not considered as an error condition for most of the device.
4184 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4186 struct pci_dev
*pdev
= phba
->pcidev
;
4190 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4194 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4199 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4200 * @phba: pointer to lpfc hba data structure.
4201 * @nr_vfn: number of virtual functions to be enabled.
4203 * This function enables the PCI SR-IOV virtual functions to a physical
4204 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4205 * enable the number of virtual functions to the physical function. As
4206 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4207 * API call does not considered as an error condition for most of the device.
4210 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4212 struct pci_dev
*pdev
= phba
->pcidev
;
4213 uint16_t max_nr_vfn
;
4216 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4217 if (nr_vfn
> max_nr_vfn
) {
4218 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4219 "3057 Requested vfs (%d) greater than "
4220 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4224 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4226 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4227 "2806 Failed to enable sriov on this device "
4228 "with vfn number nr_vf:%d, rc:%d\n",
4231 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4232 "2807 Successful enable sriov on this device "
4233 "with vfn number nr_vf:%d\n", nr_vfn
);
4238 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4239 * @phba: pointer to lpfc hba data structure.
4241 * This routine is invoked to set up the driver internal resources specific to
4242 * support the SLI-3 HBA device it attached to.
4246 * other values - error
4249 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4251 struct lpfc_sli
*psli
;
4255 * Initialize timers used by driver
4258 /* Heartbeat timer */
4259 init_timer(&phba
->hb_tmofunc
);
4260 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4261 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4264 /* MBOX heartbeat timer */
4265 init_timer(&psli
->mbox_tmo
);
4266 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4267 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4268 /* FCP polling mode timer */
4269 init_timer(&phba
->fcp_poll_timer
);
4270 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4271 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4272 /* Fabric block timer */
4273 init_timer(&phba
->fabric_block_timer
);
4274 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4275 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4276 /* EA polling mode timer */
4277 init_timer(&phba
->eratt_poll
);
4278 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4279 phba
->eratt_poll
.data
= (unsigned long) phba
;
4281 /* Host attention work mask setup */
4282 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4283 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4285 /* Get all the module params for configuring this host */
4286 lpfc_get_cfgparam(phba
);
4287 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4288 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4289 /* check for menlo minimum sg count */
4290 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4291 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4295 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4296 * used to create the sg_dma_buf_pool must be dynamically calculated.
4297 * 2 segments are added since the IOCB needs a command and response bde.
4299 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4300 sizeof(struct fcp_rsp
) +
4301 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4303 if (phba
->cfg_enable_bg
) {
4304 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4305 phba
->cfg_sg_dma_buf_size
+=
4306 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4309 /* Also reinitialize the host templates with new values. */
4310 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4311 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4313 phba
->max_vpi
= LPFC_MAX_VPI
;
4314 /* This will be set to correct value after config_port mbox */
4315 phba
->max_vports
= 0;
4318 * Initialize the SLI Layer to run with lpfc HBAs.
4320 lpfc_sli_setup(phba
);
4321 lpfc_sli_queue_setup(phba
);
4323 /* Allocate device driver memory */
4324 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4328 * Enable sr-iov virtual functions if supported and configured
4329 * through the module parameter.
4331 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4332 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4333 phba
->cfg_sriov_nr_virtfn
);
4335 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4336 "2808 Requested number of SR-IOV "
4337 "virtual functions (%d) is not "
4339 phba
->cfg_sriov_nr_virtfn
);
4340 phba
->cfg_sriov_nr_virtfn
= 0;
4348 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4349 * @phba: pointer to lpfc hba data structure.
4351 * This routine is invoked to unset the driver internal resources set up
4352 * specific for supporting the SLI-3 HBA device it attached to.
4355 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4357 /* Free device driver memory allocated */
4358 lpfc_mem_free_all(phba
);
4364 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4365 * @phba: pointer to lpfc hba data structure.
4367 * This routine is invoked to set up the driver internal resources specific to
4368 * support the SLI-4 HBA device it attached to.
4372 * other values - error
4375 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4377 struct lpfc_sli
*psli
;
4378 LPFC_MBOXQ_t
*mboxq
;
4379 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4380 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4381 struct lpfc_mqe
*mqe
;
4382 int longs
, sli_family
;
4384 /* Before proceed, wait for POST done and device ready */
4385 rc
= lpfc_sli4_post_status_check(phba
);
4390 * Initialize timers used by driver
4393 /* Heartbeat timer */
4394 init_timer(&phba
->hb_tmofunc
);
4395 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4396 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4397 init_timer(&phba
->rrq_tmr
);
4398 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4399 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4402 /* MBOX heartbeat timer */
4403 init_timer(&psli
->mbox_tmo
);
4404 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4405 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4406 /* Fabric block timer */
4407 init_timer(&phba
->fabric_block_timer
);
4408 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4409 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4410 /* EA polling mode timer */
4411 init_timer(&phba
->eratt_poll
);
4412 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4413 phba
->eratt_poll
.data
= (unsigned long) phba
;
4414 /* FCF rediscover timer */
4415 init_timer(&phba
->fcf
.redisc_wait
);
4416 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4417 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4420 * Control structure for handling external multi-buffer mailbox
4421 * command pass-through.
4423 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4424 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4425 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4428 * We need to do a READ_CONFIG mailbox command here before
4429 * calling lpfc_get_cfgparam. For VFs this will report the
4430 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4431 * All of the resources allocated
4432 * for this Port are tied to these values.
4434 /* Get all the module params for configuring this host */
4435 lpfc_get_cfgparam(phba
);
4436 phba
->max_vpi
= LPFC_MAX_VPI
;
4437 /* This will be set to correct value after the read_config mbox */
4438 phba
->max_vports
= 0;
4440 /* Program the default value of vlan_id and fc_map */
4441 phba
->valid_vlan
= 0;
4442 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4443 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4444 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4447 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4448 * used to create the sg_dma_buf_pool must be dynamically calculated.
4449 * 2 segments are added since the IOCB needs a command and response bde.
4450 * To insure that the scsi sgl does not cross a 4k page boundary only
4451 * sgl sizes of must be a power of 2.
4453 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4454 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
)));
4456 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4457 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4458 switch (sli_family
) {
4459 case LPFC_SLI_INTF_FAMILY_BE2
:
4460 case LPFC_SLI_INTF_FAMILY_BE3
:
4461 /* There is a single hint for BE - 2 pages per BPL. */
4462 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4463 LPFC_SLI_INTF_SLI_HINT1_1
)
4464 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4466 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4467 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4471 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4472 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4473 dma_buf_size
= dma_buf_size
<< 1)
4475 if (dma_buf_size
== max_buf_size
)
4476 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4477 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4478 (2 * sizeof(struct sli4_sge
))) /
4479 sizeof(struct sli4_sge
);
4480 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4482 /* Initialize buffer queue management fields */
4483 hbq_count
= lpfc_sli_hbq_count();
4484 for (i
= 0; i
< hbq_count
; ++i
)
4485 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4486 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4487 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4488 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4491 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4493 /* Initialize the Abort scsi buffer list used by driver */
4494 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4495 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4496 /* This abort list used by worker thread */
4497 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4500 * Initialize driver internal slow-path work queues
4503 /* Driver internel slow-path CQ Event pool */
4504 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4505 /* Response IOCB work queue list */
4506 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4507 /* Asynchronous event CQ Event work queue list */
4508 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4509 /* Fast-path XRI aborted CQ Event work queue list */
4510 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4511 /* Slow-path XRI aborted CQ Event work queue list */
4512 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4513 /* Receive queue CQ Event work queue list */
4514 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4516 /* Initialize extent block lists. */
4517 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4518 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4519 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4520 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4522 /* Initialize the driver internal SLI layer lists. */
4523 lpfc_sli_setup(phba
);
4524 lpfc_sli_queue_setup(phba
);
4526 /* Allocate device driver memory */
4527 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4531 /* IF Type 2 ports get initialized now. */
4532 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4533 LPFC_SLI_INTF_IF_TYPE_2
) {
4534 rc
= lpfc_pci_function_reset(phba
);
4539 /* Create the bootstrap mailbox command */
4540 rc
= lpfc_create_bootstrap_mbox(phba
);
4544 /* Set up the host's endian order with the device. */
4545 rc
= lpfc_setup_endian_order(phba
);
4547 goto out_free_bsmbx
;
4549 /* Set up the hba's configuration parameters. */
4550 rc
= lpfc_sli4_read_config(phba
);
4552 goto out_free_bsmbx
;
4554 /* IF Type 0 ports get initialized now. */
4555 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4556 LPFC_SLI_INTF_IF_TYPE_0
) {
4557 rc
= lpfc_pci_function_reset(phba
);
4559 goto out_free_bsmbx
;
4562 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4566 goto out_free_bsmbx
;
4569 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4570 lpfc_supported_pages(mboxq
);
4571 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4573 mqe
= &mboxq
->u
.mqe
;
4574 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4575 LPFC_MAX_SUPPORTED_PAGES
);
4576 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4577 switch (pn_page
[i
]) {
4578 case LPFC_SLI4_PARAMETERS
:
4579 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4585 /* Read the port's SLI4 Parameters capabilities if supported. */
4586 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4587 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4589 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4591 goto out_free_bsmbx
;
4595 * Get sli4 parameters that override parameters from Port capabilities.
4596 * If this call fails, it isn't critical unless the SLI4 parameters come
4599 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4601 if (phba
->sli4_hba
.extents_in_use
&&
4602 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4604 "2999 Unsupported SLI4 Parameters "
4605 "Extents and RPI headers enabled.\n");
4606 goto out_free_bsmbx
;
4609 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4610 /* Verify all the SLI4 queues */
4611 rc
= lpfc_sli4_queue_verify(phba
);
4613 goto out_free_bsmbx
;
4615 /* Create driver internal CQE event pool */
4616 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4618 goto out_free_bsmbx
;
4620 /* Initialize and populate the iocb list per host */
4621 rc
= lpfc_init_sgl_list(phba
);
4623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4624 "1400 Failed to initialize sgl list.\n");
4625 goto out_destroy_cq_event_pool
;
4627 rc
= lpfc_init_active_sgl_array(phba
);
4629 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4630 "1430 Failed to initialize sgl list.\n");
4631 goto out_free_sgl_list
;
4633 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4635 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4636 "1432 Failed to initialize rpi headers.\n");
4637 goto out_free_active_sgl
;
4640 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4641 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4642 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4644 if (!phba
->fcf
.fcf_rr_bmask
) {
4645 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4646 "2759 Failed allocate memory for FCF round "
4647 "robin failover bmask\n");
4649 goto out_remove_rpi_hdrs
;
4653 * The cfg_fcp_eq_count can be zero whenever there is exactly one
4654 * interrupt vector. This is not an error
4656 if (phba
->cfg_fcp_eq_count
) {
4657 phba
->sli4_hba
.fcp_eq_hdl
=
4658 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4659 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
4660 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4662 "2572 Failed allocate memory for "
4663 "fast-path per-EQ handle array\n");
4665 goto out_free_fcf_rr_bmask
;
4669 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4670 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
4671 if (!phba
->sli4_hba
.msix_entries
) {
4672 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4673 "2573 Failed allocate memory for msi-x "
4674 "interrupt vector entries\n");
4676 goto out_free_fcp_eq_hdl
;
4680 * Enable sr-iov virtual functions if supported and configured
4681 * through the module parameter.
4683 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4684 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4685 phba
->cfg_sriov_nr_virtfn
);
4687 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4688 "3020 Requested number of SR-IOV "
4689 "virtual functions (%d) is not "
4691 phba
->cfg_sriov_nr_virtfn
);
4692 phba
->cfg_sriov_nr_virtfn
= 0;
4698 out_free_fcp_eq_hdl
:
4699 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4700 out_free_fcf_rr_bmask
:
4701 kfree(phba
->fcf
.fcf_rr_bmask
);
4702 out_remove_rpi_hdrs
:
4703 lpfc_sli4_remove_rpi_hdrs(phba
);
4704 out_free_active_sgl
:
4705 lpfc_free_active_sgl(phba
);
4707 lpfc_free_sgl_list(phba
);
4708 out_destroy_cq_event_pool
:
4709 lpfc_sli4_cq_event_pool_destroy(phba
);
4711 lpfc_destroy_bootstrap_mbox(phba
);
4713 lpfc_mem_free(phba
);
4718 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
4719 * @phba: pointer to lpfc hba data structure.
4721 * This routine is invoked to unset the driver internal resources set up
4722 * specific for supporting the SLI-4 HBA device it attached to.
4725 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
4727 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
4729 /* Free memory allocated for msi-x interrupt vector entries */
4730 kfree(phba
->sli4_hba
.msix_entries
);
4732 /* Free memory allocated for fast-path work queue handles */
4733 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4735 /* Free the allocated rpi headers. */
4736 lpfc_sli4_remove_rpi_hdrs(phba
);
4737 lpfc_sli4_remove_rpis(phba
);
4739 /* Free eligible FCF index bmask */
4740 kfree(phba
->fcf
.fcf_rr_bmask
);
4742 /* Free the ELS sgl list */
4743 lpfc_free_active_sgl(phba
);
4744 lpfc_free_sgl_list(phba
);
4746 /* Free the SCSI sgl management array */
4747 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4749 /* Free the completion queue EQ event pool */
4750 lpfc_sli4_cq_event_release_all(phba
);
4751 lpfc_sli4_cq_event_pool_destroy(phba
);
4753 /* Release resource identifiers. */
4754 lpfc_sli4_dealloc_resource_identifiers(phba
);
4756 /* Free the bsmbx region. */
4757 lpfc_destroy_bootstrap_mbox(phba
);
4759 /* Free the SLI Layer memory with SLI4 HBAs */
4760 lpfc_mem_free_all(phba
);
4762 /* Free the current connect table */
4763 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
4764 &phba
->fcf_conn_rec_list
, list
) {
4765 list_del_init(&conn_entry
->list
);
4773 * lpfc_init_api_table_setup - Set up init api function jump table
4774 * @phba: The hba struct for which this call is being executed.
4775 * @dev_grp: The HBA PCI-Device group number.
4777 * This routine sets up the device INIT interface API function jump table
4780 * Returns: 0 - success, -ENODEV - failure.
4783 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4785 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
4786 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
4787 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
4789 case LPFC_PCI_DEV_LP
:
4790 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
4791 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
4792 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
4794 case LPFC_PCI_DEV_OC
:
4795 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
4796 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
4797 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
4800 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4801 "1431 Invalid HBA PCI-device group: 0x%x\n",
4810 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
4811 * @phba: pointer to lpfc hba data structure.
4813 * This routine is invoked to set up the driver internal resources before the
4814 * device specific resource setup to support the HBA device it attached to.
4818 * other values - error
4821 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
4824 * Driver resources common to all SLI revisions
4826 atomic_set(&phba
->fast_event_count
, 0);
4827 spin_lock_init(&phba
->hbalock
);
4829 /* Initialize ndlp management spinlock */
4830 spin_lock_init(&phba
->ndlp_lock
);
4832 INIT_LIST_HEAD(&phba
->port_list
);
4833 INIT_LIST_HEAD(&phba
->work_list
);
4834 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
4836 /* Initialize the wait queue head for the kernel thread */
4837 init_waitqueue_head(&phba
->work_waitq
);
4839 /* Initialize the scsi buffer list used by driver for scsi IO */
4840 spin_lock_init(&phba
->scsi_buf_list_lock
);
4841 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
4843 /* Initialize the fabric iocb list */
4844 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
4846 /* Initialize list to save ELS buffers */
4847 INIT_LIST_HEAD(&phba
->elsbuf
);
4849 /* Initialize FCF connection rec list */
4850 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
4856 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
4857 * @phba: pointer to lpfc hba data structure.
4859 * This routine is invoked to set up the driver internal resources after the
4860 * device specific resource setup to support the HBA device it attached to.
4864 * other values - error
4867 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
4871 /* Startup the kernel thread for this host adapter. */
4872 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
4873 "lpfc_worker_%d", phba
->brd_no
);
4874 if (IS_ERR(phba
->worker_thread
)) {
4875 error
= PTR_ERR(phba
->worker_thread
);
4883 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
4884 * @phba: pointer to lpfc hba data structure.
4886 * This routine is invoked to unset the driver internal resources set up after
4887 * the device specific resource setup for supporting the HBA device it
4891 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
4893 /* Stop kernel worker thread */
4894 kthread_stop(phba
->worker_thread
);
4898 * lpfc_free_iocb_list - Free iocb list.
4899 * @phba: pointer to lpfc hba data structure.
4901 * This routine is invoked to free the driver's IOCB list and memory.
4904 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
4906 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
4908 spin_lock_irq(&phba
->hbalock
);
4909 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
4910 &phba
->lpfc_iocb_list
, list
) {
4911 list_del(&iocbq_entry
->list
);
4913 phba
->total_iocbq_bufs
--;
4915 spin_unlock_irq(&phba
->hbalock
);
4921 * lpfc_init_iocb_list - Allocate and initialize iocb list.
4922 * @phba: pointer to lpfc hba data structure.
4924 * This routine is invoked to allocate and initizlize the driver's IOCB
4925 * list and set up the IOCB tag array accordingly.
4929 * other values - error
4932 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
4934 struct lpfc_iocbq
*iocbq_entry
= NULL
;
4938 /* Initialize and populate the iocb list per host. */
4939 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
4940 for (i
= 0; i
< iocb_count
; i
++) {
4941 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
4942 if (iocbq_entry
== NULL
) {
4943 printk(KERN_ERR
"%s: only allocated %d iocbs of "
4944 "expected %d count. Unloading driver.\n",
4945 __func__
, i
, LPFC_IOCB_LIST_CNT
);
4946 goto out_free_iocbq
;
4949 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
4952 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
4953 "Unloading driver.\n", __func__
);
4954 goto out_free_iocbq
;
4956 iocbq_entry
->sli4_lxritag
= NO_XRI
;
4957 iocbq_entry
->sli4_xritag
= NO_XRI
;
4959 spin_lock_irq(&phba
->hbalock
);
4960 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
4961 phba
->total_iocbq_bufs
++;
4962 spin_unlock_irq(&phba
->hbalock
);
4968 lpfc_free_iocb_list(phba
);
4974 * lpfc_free_sgl_list - Free sgl list.
4975 * @phba: pointer to lpfc hba data structure.
4977 * This routine is invoked to free the driver's sgl list and memory.
4980 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
4982 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
4983 LIST_HEAD(sglq_list
);
4985 spin_lock_irq(&phba
->hbalock
);
4986 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
4987 spin_unlock_irq(&phba
->hbalock
);
4989 list_for_each_entry_safe(sglq_entry
, sglq_next
,
4991 list_del(&sglq_entry
->list
);
4992 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
4994 phba
->sli4_hba
.total_sglq_bufs
--;
4996 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
5000 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5001 * @phba: pointer to lpfc hba data structure.
5003 * This routine is invoked to allocate the driver's active sgl memory.
5004 * This array will hold the sglq_entry's for active IOs.
5007 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5010 size
= sizeof(struct lpfc_sglq
*);
5011 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5013 phba
->sli4_hba
.lpfc_sglq_active_list
=
5014 kzalloc(size
, GFP_KERNEL
);
5015 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5021 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5022 * @phba: pointer to lpfc hba data structure.
5024 * This routine is invoked to walk through the array of active sglq entries
5025 * and free all of the resources.
5026 * This is just a place holder for now.
5029 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5031 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5035 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5036 * @phba: pointer to lpfc hba data structure.
5038 * This routine is invoked to allocate and initizlize the driver's sgl
5039 * list and set up the sgl xritag tag array accordingly.
5043 * other values - error
5046 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5048 struct lpfc_sglq
*sglq_entry
= NULL
;
5052 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
5053 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5054 "2400 ELS XRI count %d.\n",
5056 /* Initialize and populate the sglq list per host/VF. */
5057 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5058 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5060 /* Sanity check on XRI management */
5061 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
5062 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5063 "2562 No room left for SCSI XRI allocation: "
5064 "max_xri=%d, els_xri=%d\n",
5065 phba
->sli4_hba
.max_cfg_param
.max_xri
,
5070 /* Allocate memory for the ELS XRI management array */
5071 phba
->sli4_hba
.lpfc_els_sgl_array
=
5072 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
5075 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
5076 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5077 "2401 Failed to allocate memory for ELS "
5078 "XRI management array of size %d.\n",
5083 /* Keep the SCSI XRI into the XRI management array */
5084 phba
->sli4_hba
.scsi_xri_max
=
5085 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
5086 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5087 phba
->sli4_hba
.lpfc_scsi_psb_array
=
5088 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
5089 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
5091 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
5092 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5093 "2563 Failed to allocate memory for SCSI "
5094 "XRI management array of size %d.\n",
5095 phba
->sli4_hba
.scsi_xri_max
);
5096 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
5100 for (i
= 0; i
< els_xri_cnt
; i
++) {
5101 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
5102 if (sglq_entry
== NULL
) {
5103 printk(KERN_ERR
"%s: only allocated %d sgls of "
5104 "expected %d count. Unloading driver.\n",
5105 __func__
, i
, els_xri_cnt
);
5109 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
5110 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
5111 if (sglq_entry
->virt
== NULL
) {
5113 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
5114 "Unloading driver.\n", __func__
);
5117 sglq_entry
->sgl
= sglq_entry
->virt
;
5118 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
5120 /* The list order is used by later block SGL registraton */
5121 spin_lock_irq(&phba
->hbalock
);
5122 sglq_entry
->state
= SGL_FREED
;
5123 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
5124 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
5125 phba
->sli4_hba
.total_sglq_bufs
++;
5126 spin_unlock_irq(&phba
->hbalock
);
5131 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
5132 lpfc_free_sgl_list(phba
);
5137 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5138 * @phba: pointer to lpfc hba data structure.
5140 * This routine is invoked to post rpi header templates to the
5141 * port for those SLI4 ports that do not support extents. This routine
5142 * posts a PAGE_SIZE memory region to the port to hold up to
5143 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5144 * and should be called only when interrupts are disabled.
5148 * -ERROR - otherwise.
5151 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5154 struct lpfc_rpi_hdr
*rpi_hdr
;
5156 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5157 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5159 if (phba
->sli4_hba
.extents_in_use
)
5162 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5164 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5165 "0391 Error during rpi post operation\n");
5166 lpfc_sli4_remove_rpis(phba
);
5174 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5175 * @phba: pointer to lpfc hba data structure.
5177 * This routine is invoked to allocate a single 4KB memory region to
5178 * support rpis and stores them in the phba. This single region
5179 * provides support for up to 64 rpis. The region is used globally
5183 * A valid rpi hdr on success.
5184 * A NULL pointer on any failure.
5186 struct lpfc_rpi_hdr
*
5187 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5189 uint16_t rpi_limit
, curr_rpi_range
;
5190 struct lpfc_dmabuf
*dmabuf
;
5191 struct lpfc_rpi_hdr
*rpi_hdr
;
5195 * If the SLI4 port supports extents, posting the rpi header isn't
5196 * required. Set the expected maximum count and let the actual value
5197 * get set when extents are fully allocated.
5199 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5201 if (phba
->sli4_hba
.extents_in_use
)
5204 /* The limit on the logical index is just the max_rpi count. */
5205 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5206 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5208 spin_lock_irq(&phba
->hbalock
);
5210 * Establish the starting RPI in this header block. The starting
5211 * rpi is normalized to a zero base because the physical rpi is
5214 curr_rpi_range
= phba
->sli4_hba
.next_rpi
-
5215 phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5216 spin_unlock_irq(&phba
->hbalock
);
5219 * The port has a limited number of rpis. The increment here
5220 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5221 * and to allow the full max_rpi range per port.
5223 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5224 rpi_count
= rpi_limit
- curr_rpi_range
;
5226 rpi_count
= LPFC_RPI_HDR_COUNT
;
5231 * First allocate the protocol header region for the port. The
5232 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5234 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5238 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5239 LPFC_HDR_TEMPLATE_SIZE
,
5242 if (!dmabuf
->virt
) {
5244 goto err_free_dmabuf
;
5247 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5248 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5250 goto err_free_coherent
;
5253 /* Save the rpi header data for cleanup later. */
5254 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5256 goto err_free_coherent
;
5258 rpi_hdr
->dmabuf
= dmabuf
;
5259 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5260 rpi_hdr
->page_count
= 1;
5261 spin_lock_irq(&phba
->hbalock
);
5263 /* The rpi_hdr stores the logical index only. */
5264 rpi_hdr
->start_rpi
= curr_rpi_range
;
5265 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5268 * The next_rpi stores the next logical module-64 rpi value used
5269 * to post physical rpis in subsequent rpi postings.
5271 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5272 spin_unlock_irq(&phba
->hbalock
);
5276 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5277 dmabuf
->virt
, dmabuf
->phys
);
5284 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5285 * @phba: pointer to lpfc hba data structure.
5287 * This routine is invoked to remove all memory resources allocated
5288 * to support rpis for SLI4 ports not supporting extents. This routine
5289 * presumes the caller has released all rpis consumed by fabric or port
5290 * logins and is prepared to have the header pages removed.
5293 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5295 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5297 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5300 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5301 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5302 list_del(&rpi_hdr
->list
);
5303 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5304 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5305 kfree(rpi_hdr
->dmabuf
);
5309 /* There are no rpis available to the port now. */
5310 phba
->sli4_hba
.next_rpi
= 0;
5314 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5315 * @pdev: pointer to pci device data structure.
5317 * This routine is invoked to allocate the driver hba data structure for an
5318 * HBA device. If the allocation is successful, the phba reference to the
5319 * PCI device data structure is set.
5322 * pointer to @phba - successful
5325 static struct lpfc_hba
*
5326 lpfc_hba_alloc(struct pci_dev
*pdev
)
5328 struct lpfc_hba
*phba
;
5330 /* Allocate memory for HBA structure */
5331 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5333 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5337 /* Set reference to PCI device in HBA structure */
5338 phba
->pcidev
= pdev
;
5340 /* Assign an unused board number */
5341 phba
->brd_no
= lpfc_get_instance();
5342 if (phba
->brd_no
< 0) {
5347 spin_lock_init(&phba
->ct_ev_lock
);
5348 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5354 * lpfc_hba_free - Free driver hba data structure with a device.
5355 * @phba: pointer to lpfc hba data structure.
5357 * This routine is invoked to free the driver hba data structure with an
5361 lpfc_hba_free(struct lpfc_hba
*phba
)
5363 /* Release the driver assigned board number */
5364 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5371 * lpfc_create_shost - Create hba physical port with associated scsi host.
5372 * @phba: pointer to lpfc hba data structure.
5374 * This routine is invoked to create HBA physical port and associate a SCSI
5379 * other values - error
5382 lpfc_create_shost(struct lpfc_hba
*phba
)
5384 struct lpfc_vport
*vport
;
5385 struct Scsi_Host
*shost
;
5387 /* Initialize HBA FC structure */
5388 phba
->fc_edtov
= FF_DEF_EDTOV
;
5389 phba
->fc_ratov
= FF_DEF_RATOV
;
5390 phba
->fc_altov
= FF_DEF_ALTOV
;
5391 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5393 atomic_set(&phba
->sdev_cnt
, 0);
5394 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5398 shost
= lpfc_shost_from_vport(vport
);
5399 phba
->pport
= vport
;
5400 lpfc_debugfs_initialize(vport
);
5401 /* Put reference to SCSI host to driver's device private data */
5402 pci_set_drvdata(phba
->pcidev
, shost
);
5408 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5409 * @phba: pointer to lpfc hba data structure.
5411 * This routine is invoked to destroy HBA physical port and the associated
5415 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5417 struct lpfc_vport
*vport
= phba
->pport
;
5419 /* Destroy physical port that associated with the SCSI host */
5420 destroy_port(vport
);
5426 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5427 * @phba: pointer to lpfc hba data structure.
5428 * @shost: the shost to be used to detect Block guard settings.
5430 * This routine sets up the local Block guard protocol settings for @shost.
5431 * This routine also allocates memory for debugging bg buffers.
5434 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5437 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5438 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5439 "1478 Registering BlockGuard with the "
5441 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5442 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5444 if (!_dump_buf_data
) {
5446 spin_lock_init(&_dump_buf_lock
);
5448 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5449 if (_dump_buf_data
) {
5450 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5451 "9043 BLKGRD: allocated %d pages for "
5452 "_dump_buf_data at 0x%p\n",
5453 (1 << pagecnt
), _dump_buf_data
);
5454 _dump_buf_data_order
= pagecnt
;
5455 memset(_dump_buf_data
, 0,
5456 ((1 << PAGE_SHIFT
) << pagecnt
));
5461 if (!_dump_buf_data_order
)
5462 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5463 "9044 BLKGRD: ERROR unable to allocate "
5464 "memory for hexdump\n");
5466 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5467 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5468 "\n", _dump_buf_data
);
5469 if (!_dump_buf_dif
) {
5472 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5473 if (_dump_buf_dif
) {
5474 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5475 "9046 BLKGRD: allocated %d pages for "
5476 "_dump_buf_dif at 0x%p\n",
5477 (1 << pagecnt
), _dump_buf_dif
);
5478 _dump_buf_dif_order
= pagecnt
;
5479 memset(_dump_buf_dif
, 0,
5480 ((1 << PAGE_SHIFT
) << pagecnt
));
5485 if (!_dump_buf_dif_order
)
5486 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5487 "9047 BLKGRD: ERROR unable to allocate "
5488 "memory for hexdump\n");
5490 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5491 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5496 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5497 * @phba: pointer to lpfc hba data structure.
5499 * This routine is invoked to perform all the necessary post initialization
5500 * setup for the device.
5503 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5505 struct Scsi_Host
*shost
;
5506 struct lpfc_adapter_event_header adapter_event
;
5508 /* Get the default values for Model Name and Description */
5509 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5512 * hba setup may have changed the hba_queue_depth so we need to
5513 * adjust the value of can_queue.
5515 shost
= pci_get_drvdata(phba
->pcidev
);
5516 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5517 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5518 lpfc_setup_bg(phba
, shost
);
5520 lpfc_host_attrib_init(shost
);
5522 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5523 spin_lock_irq(shost
->host_lock
);
5524 lpfc_poll_start_timer(phba
);
5525 spin_unlock_irq(shost
->host_lock
);
5528 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5529 "0428 Perform SCSI scan\n");
5530 /* Send board arrival event to upper layer */
5531 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5532 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5533 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5534 sizeof(adapter_event
),
5535 (char *) &adapter_event
,
5541 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5542 * @phba: pointer to lpfc hba data structure.
5544 * This routine is invoked to set up the PCI device memory space for device
5545 * with SLI-3 interface spec.
5549 * other values - error
5552 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5554 struct pci_dev
*pdev
;
5555 unsigned long bar0map_len
, bar2map_len
;
5558 int error
= -ENODEV
;
5560 /* Obtain PCI device reference */
5564 pdev
= phba
->pcidev
;
5566 /* Set the device DMA mask size */
5567 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5568 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5569 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5570 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5575 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5576 * required by each mapping.
5578 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5579 bar0map_len
= pci_resource_len(pdev
, 0);
5581 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5582 bar2map_len
= pci_resource_len(pdev
, 2);
5584 /* Map HBA SLIM to a kernel virtual address. */
5585 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5586 if (!phba
->slim_memmap_p
) {
5587 dev_printk(KERN_ERR
, &pdev
->dev
,
5588 "ioremap failed for SLIM memory.\n");
5592 /* Map HBA Control Registers to a kernel virtual address. */
5593 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5594 if (!phba
->ctrl_regs_memmap_p
) {
5595 dev_printk(KERN_ERR
, &pdev
->dev
,
5596 "ioremap failed for HBA control registers.\n");
5597 goto out_iounmap_slim
;
5600 /* Allocate memory for SLI-2 structures */
5601 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5605 if (!phba
->slim2p
.virt
)
5608 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5609 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5610 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5611 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5612 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5613 phba
->IOCBs
= (phba
->slim2p
.virt
+
5614 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5616 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5617 lpfc_sli_hbq_size(),
5618 &phba
->hbqslimp
.phys
,
5620 if (!phba
->hbqslimp
.virt
)
5623 hbq_count
= lpfc_sli_hbq_count();
5624 ptr
= phba
->hbqslimp
.virt
;
5625 for (i
= 0; i
< hbq_count
; ++i
) {
5626 phba
->hbqs
[i
].hbq_virt
= ptr
;
5627 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5628 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5629 sizeof(struct lpfc_hbq_entry
));
5631 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5632 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5634 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5636 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5638 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5639 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5640 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5641 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5642 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5647 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5648 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5650 iounmap(phba
->ctrl_regs_memmap_p
);
5652 iounmap(phba
->slim_memmap_p
);
5658 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5659 * @phba: pointer to lpfc hba data structure.
5661 * This routine is invoked to unset the PCI device memory space for device
5662 * with SLI-3 interface spec.
5665 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5667 struct pci_dev
*pdev
;
5669 /* Obtain PCI device reference */
5673 pdev
= phba
->pcidev
;
5675 /* Free coherent DMA memory allocated */
5676 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5677 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5678 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5679 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5681 /* I/O memory unmap */
5682 iounmap(phba
->ctrl_regs_memmap_p
);
5683 iounmap(phba
->slim_memmap_p
);
5689 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5690 * @phba: pointer to lpfc hba data structure.
5692 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5693 * done and check status.
5695 * Return 0 if successful, otherwise -ENODEV.
5698 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5700 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5701 struct lpfc_register reg_data
;
5702 int i
, port_error
= 0;
5705 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5706 memset(®_data
, 0, sizeof(reg_data
));
5707 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5710 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5711 for (i
= 0; i
< 3000; i
++) {
5712 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5713 &portsmphr_reg
.word0
) ||
5714 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5715 /* Port has a fatal POST error, break out */
5716 port_error
= -ENODEV
;
5719 if (LPFC_POST_STAGE_PORT_READY
==
5720 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5726 * If there was a port error during POST, then don't proceed with
5727 * other register reads as the data may not be valid. Just exit.
5730 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5731 "1408 Port Failed POST - portsmphr=0x%x, "
5732 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5733 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5734 portsmphr_reg
.word0
,
5735 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5736 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5737 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5738 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5739 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5740 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5741 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5742 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5744 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5745 "2534 Device Info: SLIFamily=0x%x, "
5746 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5747 "SLIHint_2=0x%x, FT=0x%x\n",
5748 bf_get(lpfc_sli_intf_sli_family
,
5749 &phba
->sli4_hba
.sli_intf
),
5750 bf_get(lpfc_sli_intf_slirev
,
5751 &phba
->sli4_hba
.sli_intf
),
5752 bf_get(lpfc_sli_intf_if_type
,
5753 &phba
->sli4_hba
.sli_intf
),
5754 bf_get(lpfc_sli_intf_sli_hint1
,
5755 &phba
->sli4_hba
.sli_intf
),
5756 bf_get(lpfc_sli_intf_sli_hint2
,
5757 &phba
->sli4_hba
.sli_intf
),
5758 bf_get(lpfc_sli_intf_func_type
,
5759 &phba
->sli4_hba
.sli_intf
));
5761 * Check for other Port errors during the initialization
5762 * process. Fail the load if the port did not come up
5765 if_type
= bf_get(lpfc_sli_intf_if_type
,
5766 &phba
->sli4_hba
.sli_intf
);
5768 case LPFC_SLI_INTF_IF_TYPE_0
:
5769 phba
->sli4_hba
.ue_mask_lo
=
5770 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
5771 phba
->sli4_hba
.ue_mask_hi
=
5772 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
5774 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
5776 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
5777 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
5778 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
5779 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5780 "1422 Unrecoverable Error "
5781 "Detected during POST "
5782 "uerr_lo_reg=0x%x, "
5783 "uerr_hi_reg=0x%x, "
5784 "ue_mask_lo_reg=0x%x, "
5785 "ue_mask_hi_reg=0x%x\n",
5788 phba
->sli4_hba
.ue_mask_lo
,
5789 phba
->sli4_hba
.ue_mask_hi
);
5790 port_error
= -ENODEV
;
5793 case LPFC_SLI_INTF_IF_TYPE_2
:
5794 /* Final checks. The port status should be clean. */
5795 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
5797 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
5798 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
5799 phba
->work_status
[0] =
5800 readl(phba
->sli4_hba
.u
.if_type2
.
5802 phba
->work_status
[1] =
5803 readl(phba
->sli4_hba
.u
.if_type2
.
5805 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5806 "2888 Port Error Detected "
5808 "port status reg 0x%x, "
5809 "port_smphr reg 0x%x, "
5810 "error 1=0x%x, error 2=0x%x\n",
5812 portsmphr_reg
.word0
,
5813 phba
->work_status
[0],
5814 phba
->work_status
[1]);
5815 port_error
= -ENODEV
;
5818 case LPFC_SLI_INTF_IF_TYPE_1
:
5827 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
5828 * @phba: pointer to lpfc hba data structure.
5829 * @if_type: The SLI4 interface type getting configured.
5831 * This routine is invoked to set up SLI4 BAR0 PCI config space register
5835 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
5838 case LPFC_SLI_INTF_IF_TYPE_0
:
5839 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
5840 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
5841 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
5842 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
5843 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
5844 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
5845 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
5846 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
5847 phba
->sli4_hba
.SLIINTFregaddr
=
5848 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5850 case LPFC_SLI_INTF_IF_TYPE_2
:
5851 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
5852 phba
->sli4_hba
.conf_regs_memmap_p
+
5853 LPFC_CTL_PORT_ER1_OFFSET
;
5854 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
5855 phba
->sli4_hba
.conf_regs_memmap_p
+
5856 LPFC_CTL_PORT_ER2_OFFSET
;
5857 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
5858 phba
->sli4_hba
.conf_regs_memmap_p
+
5859 LPFC_CTL_PORT_CTL_OFFSET
;
5860 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
5861 phba
->sli4_hba
.conf_regs_memmap_p
+
5862 LPFC_CTL_PORT_STA_OFFSET
;
5863 phba
->sli4_hba
.SLIINTFregaddr
=
5864 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5865 phba
->sli4_hba
.PSMPHRregaddr
=
5866 phba
->sli4_hba
.conf_regs_memmap_p
+
5867 LPFC_CTL_PORT_SEM_OFFSET
;
5868 phba
->sli4_hba
.RQDBregaddr
=
5869 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
5870 phba
->sli4_hba
.WQDBregaddr
=
5871 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
5872 phba
->sli4_hba
.EQCQDBregaddr
=
5873 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
5874 phba
->sli4_hba
.MQDBregaddr
=
5875 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
5876 phba
->sli4_hba
.BMBXregaddr
=
5877 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
5879 case LPFC_SLI_INTF_IF_TYPE_1
:
5881 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
5882 "FATAL - unsupported SLI4 interface type - %d\n",
5889 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
5890 * @phba: pointer to lpfc hba data structure.
5892 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
5896 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
5898 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5899 LPFC_SLIPORT_IF0_SMPHR
;
5900 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5902 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5904 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5909 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
5910 * @phba: pointer to lpfc hba data structure.
5911 * @vf: virtual function number
5913 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
5914 * based on the given viftual function number, @vf.
5916 * Return 0 if successful, otherwise -ENODEV.
5919 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
5921 if (vf
> LPFC_VIR_FUNC_MAX
)
5924 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5925 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
5926 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5927 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
5928 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5929 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
5930 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5931 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
5932 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5933 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
5938 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
5939 * @phba: pointer to lpfc hba data structure.
5941 * This routine is invoked to create the bootstrap mailbox
5942 * region consistent with the SLI-4 interface spec. This
5943 * routine allocates all memory necessary to communicate
5944 * mailbox commands to the port and sets up all alignment
5945 * needs. No locks are expected to be held when calling
5950 * -ENOMEM - could not allocated memory.
5953 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
5956 struct lpfc_dmabuf
*dmabuf
;
5957 struct dma_address
*dma_address
;
5961 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5966 * The bootstrap mailbox region is comprised of 2 parts
5967 * plus an alignment restriction of 16 bytes.
5969 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
5970 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5974 if (!dmabuf
->virt
) {
5978 memset(dmabuf
->virt
, 0, bmbx_size
);
5981 * Initialize the bootstrap mailbox pointers now so that the register
5982 * operations are simple later. The mailbox dma address is required
5983 * to be 16-byte aligned. Also align the virtual memory as each
5984 * maibox is copied into the bmbx mailbox region before issuing the
5985 * command to the port.
5987 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
5988 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
5990 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
5991 LPFC_ALIGN_16_BYTE
);
5992 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
5993 LPFC_ALIGN_16_BYTE
);
5996 * Set the high and low physical addresses now. The SLI4 alignment
5997 * requirement is 16 bytes and the mailbox is posted to the port
5998 * as two 30-bit addresses. The other data is a bit marking whether
5999 * the 30-bit address is the high or low address.
6000 * Upcast bmbx aphys to 64bits so shift instruction compiles
6001 * clean on 32 bit machines.
6003 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6004 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6005 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6006 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6007 LPFC_BMBX_BIT1_ADDR_HI
);
6009 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6010 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6011 LPFC_BMBX_BIT1_ADDR_LO
);
6016 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6017 * @phba: pointer to lpfc hba data structure.
6019 * This routine is invoked to teardown the bootstrap mailbox
6020 * region and release all host resources. This routine requires
6021 * the caller to ensure all mailbox commands recovered, no
6022 * additional mailbox comands are sent, and interrupts are disabled
6023 * before calling this routine.
6027 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6029 dma_free_coherent(&phba
->pcidev
->dev
,
6030 phba
->sli4_hba
.bmbx
.bmbx_size
,
6031 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6032 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6034 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6035 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6039 * lpfc_sli4_read_config - Get the config parameters.
6040 * @phba: pointer to lpfc hba data structure.
6042 * This routine is invoked to read the configuration parameters from the HBA.
6043 * The configuration parameters are used to set the base and maximum values
6044 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6045 * allocation for the port.
6049 * -ENOMEM - No available memory
6050 * -EIO - The mailbox failed to complete successfully.
6053 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6056 struct lpfc_mbx_read_config
*rd_config
;
6057 union lpfc_sli4_cfg_shdr
*shdr
;
6058 uint32_t shdr_status
, shdr_add_status
;
6059 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6060 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6061 uint32_t desc_count
;
6062 int length
, i
, rc
= 0;
6064 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6066 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6067 "2011 Unable to allocate memory for issuing "
6068 "SLI_CONFIG_SPECIAL mailbox command\n");
6072 lpfc_read_config(phba
, pmb
);
6074 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6075 if (rc
!= MBX_SUCCESS
) {
6076 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6077 "2012 Mailbox failed , mbxCmd x%x "
6078 "READ_CONFIG, mbxStatus x%x\n",
6079 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6080 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6083 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6084 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6085 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6086 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6087 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6088 phba
->sli4_hba
.lnk_info
.lnk_no
=
6089 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6090 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6091 "3081 lnk_type:%d, lnk_numb:%d\n",
6092 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6093 phba
->sli4_hba
.lnk_info
.lnk_no
);
6095 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6096 "3082 Mailbox (x%x) returned ldv:x0\n",
6097 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6098 phba
->sli4_hba
.extents_in_use
=
6099 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6100 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6101 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6102 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6103 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6104 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6105 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6106 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6107 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6108 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6109 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6110 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6111 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6112 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6113 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6114 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6115 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6116 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6117 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6118 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6119 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6120 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6121 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6122 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6123 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6124 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6125 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6126 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6127 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6128 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6129 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6130 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
6131 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6132 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6133 phba
->max_vports
= phba
->max_vpi
;
6134 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6135 "2003 cfg params Extents? %d "
6141 phba
->sli4_hba
.extents_in_use
,
6142 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6143 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6144 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6145 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6146 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6147 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6148 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6149 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6150 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6156 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6157 if (phba
->cfg_hba_queue_depth
>
6158 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6159 lpfc_sli4_get_els_iocb_cnt(phba
)))
6160 phba
->cfg_hba_queue_depth
=
6161 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6162 lpfc_sli4_get_els_iocb_cnt(phba
);
6164 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6165 LPFC_SLI_INTF_IF_TYPE_2
)
6168 /* get the pf# and vf# for SLI4 if_type 2 port */
6169 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6170 sizeof(struct lpfc_sli4_cfg_mhdr
));
6171 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6172 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6173 length
, LPFC_SLI4_MBX_EMBED
);
6175 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6176 shdr
= (union lpfc_sli4_cfg_shdr
*)
6177 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6178 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6179 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6180 if (rc
|| shdr_status
|| shdr_add_status
) {
6181 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6182 "3026 Mailbox failed , mbxCmd x%x "
6183 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6184 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6185 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6190 /* search for fc_fcoe resrouce descriptor */
6191 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6192 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6194 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6195 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)
6196 &get_func_cfg
->func_cfg
.desc
[i
];
6197 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6198 bf_get(lpfc_rsrc_desc_pcie_type
, desc
)) {
6199 phba
->sli4_hba
.iov
.pf_number
=
6200 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6201 phba
->sli4_hba
.iov
.vf_number
=
6202 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6207 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6208 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6209 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6210 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6211 phba
->sli4_hba
.iov
.vf_number
);
6213 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6214 "3028 GET_FUNCTION_CONFIG: failed to find "
6215 "Resrouce Descriptor:x%x\n",
6216 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6221 mempool_free(pmb
, phba
->mbox_mem_pool
);
6226 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6227 * @phba: pointer to lpfc hba data structure.
6229 * This routine is invoked to setup the port-side endian order when
6230 * the port if_type is 0. This routine has no function for other
6235 * -ENOMEM - No available memory
6236 * -EIO - The mailbox failed to complete successfully.
6239 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6241 LPFC_MBOXQ_t
*mboxq
;
6242 uint32_t if_type
, rc
= 0;
6243 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6244 HOST_ENDIAN_HIGH_WORD1
};
6246 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6248 case LPFC_SLI_INTF_IF_TYPE_0
:
6249 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6252 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6253 "0492 Unable to allocate memory for "
6254 "issuing SLI_CONFIG_SPECIAL mailbox "
6260 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6261 * two words to contain special data values and no other data.
6263 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6264 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6265 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6266 if (rc
!= MBX_SUCCESS
) {
6267 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6268 "0493 SLI_CONFIG_SPECIAL mailbox "
6269 "failed with status x%x\n",
6273 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6275 case LPFC_SLI_INTF_IF_TYPE_2
:
6276 case LPFC_SLI_INTF_IF_TYPE_1
:
6284 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6285 * @phba: pointer to lpfc hba data structure.
6287 * This routine is invoked to check the user settable queue counts for EQs and
6288 * CQs. after this routine is called the counts will be set to valid values that
6289 * adhere to the constraints of the system's interrupt vectors and the port's
6294 * -ENOMEM - No available memory
6297 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6299 int cfg_fcp_wq_count
;
6300 int cfg_fcp_eq_count
;
6303 * Sanity check for confiugred queue parameters against the run-time
6307 /* Sanity check on FCP fast-path WQ parameters */
6308 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
6309 if (cfg_fcp_wq_count
>
6310 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
6311 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
6313 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
6314 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6315 "2581 Not enough WQs (%d) from "
6316 "the pci function for supporting "
6318 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6319 phba
->cfg_fcp_wq_count
);
6322 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6323 "2582 Not enough WQs (%d) from the pci "
6324 "function for supporting the requested "
6325 "FCP WQs (%d), the actual FCP WQs can "
6326 "be supported: %d\n",
6327 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6328 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
6330 /* The actual number of FCP work queues adopted */
6331 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
6333 /* Sanity check on FCP fast-path EQ parameters */
6334 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
6335 if (cfg_fcp_eq_count
>
6336 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
6337 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
6339 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
6340 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6341 "2574 Not enough EQs (%d) from the "
6342 "pci function for supporting FCP "
6344 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6345 phba
->cfg_fcp_eq_count
);
6348 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6349 "2575 Not enough EQs (%d) from the pci "
6350 "function for supporting the requested "
6351 "FCP EQs (%d), the actual FCP EQs can "
6352 "be supported: %d\n",
6353 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6354 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
6356 /* It does not make sense to have more EQs than WQs */
6357 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
6358 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6359 "2593 The FCP EQ count(%d) cannot be greater "
6360 "than the FCP WQ count(%d), limiting the "
6361 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
6362 phba
->cfg_fcp_wq_count
,
6363 phba
->cfg_fcp_wq_count
);
6364 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
6366 /* The actual number of FCP event queues adopted */
6367 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
6368 /* The overall number of event queues used */
6369 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
6371 /* Get EQ depth from module parameter, fake the default for now */
6372 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6373 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6375 /* Get CQ depth from module parameter, fake the default for now */
6376 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6377 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6385 * lpfc_sli4_queue_create - Create all the SLI4 queues
6386 * @phba: pointer to lpfc hba data structure.
6388 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6389 * operation. For each SLI4 queue type, the parameters such as queue entry
6390 * count (queue depth) shall be taken from the module parameter. For now,
6391 * we just use some constant number as place holder.
6395 * -ENOMEM - No availble memory
6396 * -EIO - The mailbox failed to complete successfully.
6399 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6401 struct lpfc_queue
*qdesc
;
6402 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6405 * Create Event Queues (EQs)
6408 /* Create slow path event queue */
6409 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6410 phba
->sli4_hba
.eq_ecount
);
6412 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6413 "0496 Failed allocate slow-path EQ\n");
6416 phba
->sli4_hba
.sp_eq
= qdesc
;
6419 * Create fast-path FCP Event Queue(s). The cfg_fcp_eq_count can be
6420 * zero whenever there is exactly one interrupt vector. This is not
6423 if (phba
->cfg_fcp_eq_count
) {
6424 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6425 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6426 if (!phba
->sli4_hba
.fp_eq
) {
6427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6428 "2576 Failed allocate memory for "
6429 "fast-path EQ record array\n");
6430 goto out_free_sp_eq
;
6433 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6434 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6435 phba
->sli4_hba
.eq_ecount
);
6437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6438 "0497 Failed allocate fast-path EQ\n");
6439 goto out_free_fp_eq
;
6441 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
6445 * Create Complete Queues (CQs)
6448 /* Create slow-path Mailbox Command Complete Queue */
6449 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6450 phba
->sli4_hba
.cq_ecount
);
6452 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6453 "0500 Failed allocate slow-path mailbox CQ\n");
6454 goto out_free_fp_eq
;
6456 phba
->sli4_hba
.mbx_cq
= qdesc
;
6458 /* Create slow-path ELS Complete Queue */
6459 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6460 phba
->sli4_hba
.cq_ecount
);
6462 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6463 "0501 Failed allocate slow-path ELS CQ\n");
6464 goto out_free_mbx_cq
;
6466 phba
->sli4_hba
.els_cq
= qdesc
;
6470 * Create fast-path FCP Completion Queue(s), one-to-one with FCP EQs.
6471 * If there are no FCP EQs then create exactly one FCP CQ.
6473 if (phba
->cfg_fcp_eq_count
)
6474 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6475 phba
->cfg_fcp_eq_count
),
6478 phba
->sli4_hba
.fcp_cq
= kzalloc(sizeof(struct lpfc_queue
*),
6480 if (!phba
->sli4_hba
.fcp_cq
) {
6481 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6482 "2577 Failed allocate memory for fast-path "
6483 "CQ record array\n");
6484 goto out_free_els_cq
;
6488 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6489 phba
->sli4_hba
.cq_ecount
);
6491 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6492 "0499 Failed allocate fast-path FCP "
6493 "CQ (%d)\n", fcp_cqidx
);
6494 goto out_free_fcp_cq
;
6496 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
6497 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6499 /* Create Mailbox Command Queue */
6500 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6501 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6503 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6504 phba
->sli4_hba
.mq_ecount
);
6506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6507 "0505 Failed allocate slow-path MQ\n");
6508 goto out_free_fcp_cq
;
6510 phba
->sli4_hba
.mbx_wq
= qdesc
;
6513 * Create all the Work Queues (WQs)
6515 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6516 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6518 /* Create slow-path ELS Work Queue */
6519 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6520 phba
->sli4_hba
.wq_ecount
);
6522 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6523 "0504 Failed allocate slow-path ELS WQ\n");
6524 goto out_free_mbx_wq
;
6526 phba
->sli4_hba
.els_wq
= qdesc
;
6528 /* Create fast-path FCP Work Queue(s) */
6529 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6530 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
6531 if (!phba
->sli4_hba
.fcp_wq
) {
6532 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6533 "2578 Failed allocate memory for fast-path "
6534 "WQ record array\n");
6535 goto out_free_els_wq
;
6537 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6538 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6539 phba
->sli4_hba
.wq_ecount
);
6541 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6542 "0503 Failed allocate fast-path FCP "
6543 "WQ (%d)\n", fcp_wqidx
);
6544 goto out_free_fcp_wq
;
6546 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
6550 * Create Receive Queue (RQ)
6552 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6553 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6555 /* Create Receive Queue for header */
6556 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6557 phba
->sli4_hba
.rq_ecount
);
6559 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6560 "0506 Failed allocate receive HRQ\n");
6561 goto out_free_fcp_wq
;
6563 phba
->sli4_hba
.hdr_rq
= qdesc
;
6565 /* Create Receive Queue for data */
6566 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6567 phba
->sli4_hba
.rq_ecount
);
6569 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6570 "0507 Failed allocate receive DRQ\n");
6571 goto out_free_hdr_rq
;
6573 phba
->sli4_hba
.dat_rq
= qdesc
;
6578 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6579 phba
->sli4_hba
.hdr_rq
= NULL
;
6581 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
6582 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6583 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
6585 kfree(phba
->sli4_hba
.fcp_wq
);
6586 phba
->sli4_hba
.fcp_wq
= NULL
;
6588 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6589 phba
->sli4_hba
.els_wq
= NULL
;
6591 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6592 phba
->sli4_hba
.mbx_wq
= NULL
;
6594 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
6595 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6596 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
6598 kfree(phba
->sli4_hba
.fcp_cq
);
6599 phba
->sli4_hba
.fcp_cq
= NULL
;
6601 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6602 phba
->sli4_hba
.els_cq
= NULL
;
6604 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6605 phba
->sli4_hba
.mbx_cq
= NULL
;
6607 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
6608 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6609 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
6611 kfree(phba
->sli4_hba
.fp_eq
);
6612 phba
->sli4_hba
.fp_eq
= NULL
;
6614 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6615 phba
->sli4_hba
.sp_eq
= NULL
;
6621 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6622 * @phba: pointer to lpfc hba data structure.
6624 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6629 * -ENOMEM - No available memory
6630 * -EIO - The mailbox failed to complete successfully.
6633 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6637 /* Release mailbox command work queue */
6638 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6639 phba
->sli4_hba
.mbx_wq
= NULL
;
6641 /* Release ELS work queue */
6642 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6643 phba
->sli4_hba
.els_wq
= NULL
;
6645 /* Release FCP work queue */
6646 if (phba
->sli4_hba
.fcp_wq
!= NULL
)
6647 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
;
6649 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6650 kfree(phba
->sli4_hba
.fcp_wq
);
6651 phba
->sli4_hba
.fcp_wq
= NULL
;
6653 /* Release unsolicited receive queue */
6654 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6655 phba
->sli4_hba
.hdr_rq
= NULL
;
6656 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6657 phba
->sli4_hba
.dat_rq
= NULL
;
6659 /* Release ELS complete queue */
6660 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6661 phba
->sli4_hba
.els_cq
= NULL
;
6663 /* Release mailbox command complete queue */
6664 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6665 phba
->sli4_hba
.mbx_cq
= NULL
;
6667 /* Release FCP response complete queue */
6669 if (phba
->sli4_hba
.fcp_cq
!= NULL
)
6671 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6672 while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6673 kfree(phba
->sli4_hba
.fcp_cq
);
6674 phba
->sli4_hba
.fcp_cq
= NULL
;
6676 /* Release fast-path event queue */
6677 if (phba
->sli4_hba
.fp_eq
!= NULL
)
6678 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
;
6680 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6681 kfree(phba
->sli4_hba
.fp_eq
);
6682 phba
->sli4_hba
.fp_eq
= NULL
;
6684 /* Release slow-path event queue */
6685 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6686 phba
->sli4_hba
.sp_eq
= NULL
;
6692 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6693 * @phba: pointer to lpfc hba data structure.
6695 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6700 * -ENOMEM - No available memory
6701 * -EIO - The mailbox failed to complete successfully.
6704 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6707 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6708 int fcp_cq_index
= 0;
6711 * Set up Event Queues (EQs)
6714 /* Set up slow-path event queue */
6715 if (!phba
->sli4_hba
.sp_eq
) {
6716 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6717 "0520 Slow-path EQ not allocated\n");
6720 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
6723 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6724 "0521 Failed setup of slow-path EQ: "
6728 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6729 "2583 Slow-path EQ setup: queue-id=%d\n",
6730 phba
->sli4_hba
.sp_eq
->queue_id
);
6732 /* Set up fast-path event queue */
6733 if (phba
->cfg_fcp_eq_count
&& !phba
->sli4_hba
.fp_eq
) {
6734 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6735 "3147 Fast-path EQs not allocated\n");
6737 goto out_destroy_sp_eq
;
6739 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6740 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
6741 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6742 "0522 Fast-path EQ (%d) not "
6743 "allocated\n", fcp_eqidx
);
6745 goto out_destroy_fp_eq
;
6747 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
6748 phba
->cfg_fcp_imax
);
6750 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6751 "0523 Failed setup of fast-path EQ "
6752 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6753 goto out_destroy_fp_eq
;
6755 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6756 "2584 Fast-path EQ setup: "
6757 "queue[%d]-id=%d\n", fcp_eqidx
,
6758 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
6762 * Set up Complete Queues (CQs)
6765 /* Set up slow-path MBOX Complete Queue as the first CQ */
6766 if (!phba
->sli4_hba
.mbx_cq
) {
6767 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6768 "0528 Mailbox CQ not allocated\n");
6770 goto out_destroy_fp_eq
;
6772 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
6773 LPFC_MCQ
, LPFC_MBOX
);
6775 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6776 "0529 Failed setup of slow-path mailbox CQ: "
6778 goto out_destroy_fp_eq
;
6780 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6781 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
6782 phba
->sli4_hba
.mbx_cq
->queue_id
,
6783 phba
->sli4_hba
.sp_eq
->queue_id
);
6785 /* Set up slow-path ELS Complete Queue */
6786 if (!phba
->sli4_hba
.els_cq
) {
6787 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6788 "0530 ELS CQ not allocated\n");
6790 goto out_destroy_mbx_cq
;
6792 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
6793 LPFC_WCQ
, LPFC_ELS
);
6795 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6796 "0531 Failed setup of slow-path ELS CQ: "
6798 goto out_destroy_mbx_cq
;
6800 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6801 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
6802 phba
->sli4_hba
.els_cq
->queue_id
,
6803 phba
->sli4_hba
.sp_eq
->queue_id
);
6805 /* Set up fast-path FCP Response Complete Queue */
6806 if (!phba
->sli4_hba
.fcp_cq
) {
6807 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6808 "3148 Fast-path FCP CQ array not "
6811 goto out_destroy_els_cq
;
6815 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
6816 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6817 "0526 Fast-path FCP CQ (%d) not "
6818 "allocated\n", fcp_cqidx
);
6820 goto out_destroy_fcp_cq
;
6822 if (phba
->cfg_fcp_eq_count
)
6823 rc
= lpfc_cq_create(phba
,
6824 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6825 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
6826 LPFC_WCQ
, LPFC_FCP
);
6828 rc
= lpfc_cq_create(phba
,
6829 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6830 phba
->sli4_hba
.sp_eq
,
6831 LPFC_WCQ
, LPFC_FCP
);
6833 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6834 "0527 Failed setup of fast-path FCP "
6835 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
6836 goto out_destroy_fcp_cq
;
6838 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6839 "2588 FCP CQ setup: cq[%d]-id=%d, "
6840 "parent %seq[%d]-id=%d\n",
6842 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
6843 (phba
->cfg_fcp_eq_count
) ? "" : "sp_",
6845 (phba
->cfg_fcp_eq_count
) ?
6846 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
:
6847 phba
->sli4_hba
.sp_eq
->queue_id
);
6848 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6851 * Set up all the Work Queues (WQs)
6854 /* Set up Mailbox Command Queue */
6855 if (!phba
->sli4_hba
.mbx_wq
) {
6856 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6857 "0538 Slow-path MQ not allocated\n");
6859 goto out_destroy_fcp_cq
;
6861 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
6862 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
6864 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6865 "0539 Failed setup of slow-path MQ: "
6867 goto out_destroy_fcp_cq
;
6869 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6870 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
6871 phba
->sli4_hba
.mbx_wq
->queue_id
,
6872 phba
->sli4_hba
.mbx_cq
->queue_id
);
6874 /* Set up slow-path ELS Work Queue */
6875 if (!phba
->sli4_hba
.els_wq
) {
6876 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6877 "0536 Slow-path ELS WQ not allocated\n");
6879 goto out_destroy_mbx_wq
;
6881 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
6882 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
6884 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6885 "0537 Failed setup of slow-path ELS WQ: "
6887 goto out_destroy_mbx_wq
;
6889 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6890 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
6891 phba
->sli4_hba
.els_wq
->queue_id
,
6892 phba
->sli4_hba
.els_cq
->queue_id
);
6894 /* Set up fast-path FCP Work Queue */
6895 if (!phba
->sli4_hba
.fcp_wq
) {
6896 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6897 "3149 Fast-path FCP WQ array not "
6900 goto out_destroy_els_wq
;
6902 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6903 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
6904 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6905 "0534 Fast-path FCP WQ (%d) not "
6906 "allocated\n", fcp_wqidx
);
6908 goto out_destroy_fcp_wq
;
6910 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
6911 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
6914 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6915 "0535 Failed setup of fast-path FCP "
6916 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
6917 goto out_destroy_fcp_wq
;
6919 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6920 "2591 FCP WQ setup: wq[%d]-id=%d, "
6921 "parent cq[%d]-id=%d\n",
6923 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
6925 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
6926 /* Round robin FCP Work Queue's Completion Queue assignment */
6927 if (phba
->cfg_fcp_eq_count
)
6928 fcp_cq_index
= ((fcp_cq_index
+ 1) %
6929 phba
->cfg_fcp_eq_count
);
6933 * Create Receive Queue (RQ)
6935 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
6936 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6937 "0540 Receive Queue not allocated\n");
6939 goto out_destroy_fcp_wq
;
6942 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
6943 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
6945 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
6946 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
6948 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6949 "0541 Failed setup of Receive Queue: "
6951 goto out_destroy_fcp_wq
;
6954 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6955 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
6956 "parent cq-id=%d\n",
6957 phba
->sli4_hba
.hdr_rq
->queue_id
,
6958 phba
->sli4_hba
.dat_rq
->queue_id
,
6959 phba
->sli4_hba
.els_cq
->queue_id
);
6963 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
6964 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6966 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6968 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6970 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
6971 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6973 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6975 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6977 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
6978 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6980 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6986 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
6987 * @phba: pointer to lpfc hba data structure.
6989 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
6994 * -ENOMEM - No available memory
6995 * -EIO - The mailbox failed to complete successfully.
6998 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7002 /* Unset mailbox command work queue */
7003 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7004 /* Unset ELS work queue */
7005 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7006 /* Unset unsolicited receive queue */
7007 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7008 /* Unset FCP work queue */
7009 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
7010 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7011 /* Unset mailbox command complete queue */
7012 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7013 /* Unset ELS complete queue */
7014 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7015 /* Unset FCP response complete queue */
7016 if (phba
->sli4_hba
.fcp_cq
) {
7019 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7020 } while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
7022 /* Unset fast-path event queue */
7023 if (phba
->sli4_hba
.fp_eq
) {
7024 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
;
7026 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
7028 /* Unset slow-path event queue */
7029 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
7033 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7034 * @phba: pointer to lpfc hba data structure.
7036 * This routine is invoked to allocate and set up a pool of completion queue
7037 * events. The body of the completion queue event is a completion queue entry
7038 * CQE. For now, this pool is used for the interrupt service routine to queue
7039 * the following HBA completion queue events for the worker thread to process:
7040 * - Mailbox asynchronous events
7041 * - Receive queue completion unsolicited events
7042 * Later, this can be used for all the slow-path events.
7046 * -ENOMEM - No available memory
7049 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7051 struct lpfc_cq_event
*cq_event
;
7054 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7055 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7057 goto out_pool_create_fail
;
7058 list_add_tail(&cq_event
->list
,
7059 &phba
->sli4_hba
.sp_cqe_event_pool
);
7063 out_pool_create_fail
:
7064 lpfc_sli4_cq_event_pool_destroy(phba
);
7069 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7070 * @phba: pointer to lpfc hba data structure.
7072 * This routine is invoked to free the pool of completion queue events at
7073 * driver unload time. Note that, it is the responsibility of the driver
7074 * cleanup routine to free all the outstanding completion-queue events
7075 * allocated from this pool back into the pool before invoking this routine
7076 * to destroy the pool.
7079 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7081 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7083 list_for_each_entry_safe(cq_event
, next_cq_event
,
7084 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7085 list_del(&cq_event
->list
);
7091 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7092 * @phba: pointer to lpfc hba data structure.
7094 * This routine is the lock free version of the API invoked to allocate a
7095 * completion-queue event from the free pool.
7097 * Return: Pointer to the newly allocated completion-queue event if successful
7100 struct lpfc_cq_event
*
7101 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7103 struct lpfc_cq_event
*cq_event
= NULL
;
7105 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7106 struct lpfc_cq_event
, list
);
7111 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7112 * @phba: pointer to lpfc hba data structure.
7114 * This routine is the lock version of the API invoked to allocate a
7115 * completion-queue event from the free pool.
7117 * Return: Pointer to the newly allocated completion-queue event if successful
7120 struct lpfc_cq_event
*
7121 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7123 struct lpfc_cq_event
*cq_event
;
7124 unsigned long iflags
;
7126 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7127 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7128 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7133 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7134 * @phba: pointer to lpfc hba data structure.
7135 * @cq_event: pointer to the completion queue event to be freed.
7137 * This routine is the lock free version of the API invoked to release a
7138 * completion-queue event back into the free pool.
7141 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7142 struct lpfc_cq_event
*cq_event
)
7144 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7148 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7149 * @phba: pointer to lpfc hba data structure.
7150 * @cq_event: pointer to the completion queue event to be freed.
7152 * This routine is the lock version of the API invoked to release a
7153 * completion-queue event back into the free pool.
7156 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7157 struct lpfc_cq_event
*cq_event
)
7159 unsigned long iflags
;
7160 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7161 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7162 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7166 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7167 * @phba: pointer to lpfc hba data structure.
7169 * This routine is to free all the pending completion-queue events to the
7170 * back into the free pool for device reset.
7173 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7176 struct lpfc_cq_event
*cqe
;
7177 unsigned long iflags
;
7179 /* Retrieve all the pending WCQEs from pending WCQE lists */
7180 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7181 /* Pending FCP XRI abort events */
7182 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7184 /* Pending ELS XRI abort events */
7185 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7187 /* Pending asynnc events */
7188 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7190 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7192 while (!list_empty(&cqelist
)) {
7193 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7194 lpfc_sli4_cq_event_release(phba
, cqe
);
7199 * lpfc_pci_function_reset - Reset pci function.
7200 * @phba: pointer to lpfc hba data structure.
7202 * This routine is invoked to request a PCI function reset. It will destroys
7203 * all resources assigned to the PCI function which originates this request.
7207 * -ENOMEM - No available memory
7208 * -EIO - The mailbox failed to complete successfully.
7211 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7213 LPFC_MBOXQ_t
*mboxq
;
7214 uint32_t rc
= 0, if_type
;
7215 uint32_t shdr_status
, shdr_add_status
;
7216 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7217 union lpfc_sli4_cfg_shdr
*shdr
;
7218 struct lpfc_register reg_data
;
7220 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7222 case LPFC_SLI_INTF_IF_TYPE_0
:
7223 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7226 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7227 "0494 Unable to allocate memory for "
7228 "issuing SLI_FUNCTION_RESET mailbox "
7233 /* Setup PCI function reset mailbox-ioctl command */
7234 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7235 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7236 LPFC_SLI4_MBX_EMBED
);
7237 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7238 shdr
= (union lpfc_sli4_cfg_shdr
*)
7239 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7240 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7241 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7243 if (rc
!= MBX_TIMEOUT
)
7244 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7245 if (shdr_status
|| shdr_add_status
|| rc
) {
7246 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7247 "0495 SLI_FUNCTION_RESET mailbox "
7248 "failed with status x%x add_status x%x,"
7249 " mbx status x%x\n",
7250 shdr_status
, shdr_add_status
, rc
);
7254 case LPFC_SLI_INTF_IF_TYPE_2
:
7255 for (num_resets
= 0;
7256 num_resets
< MAX_IF_TYPE_2_RESETS
;
7259 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7260 LPFC_SLIPORT_LITTLE_ENDIAN
);
7261 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7262 LPFC_SLIPORT_INIT_PORT
);
7263 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7267 * Poll the Port Status Register and wait for RDY for
7268 * up to 10 seconds. If the port doesn't respond, treat
7269 * it as an error. If the port responds with RN, start
7272 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7274 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7275 STATUSregaddr
, ®_data
.word0
)) {
7279 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7281 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7286 * If the port responds to the init request with
7287 * reset needed, delay for a bit and restart the loop.
7289 if (reset_again
&& (rdy_chk
< 1000)) {
7295 /* Detect any port errors. */
7296 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7297 (rdy_chk
>= 1000)) {
7298 phba
->work_status
[0] = readl(
7299 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7300 phba
->work_status
[1] = readl(
7301 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7302 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7303 "2890 Port Error Detected "
7304 "during Port Reset: "
7305 "port status reg 0x%x, "
7306 "error 1=0x%x, error 2=0x%x\n",
7308 phba
->work_status
[0],
7309 phba
->work_status
[1]);
7314 * Terminate the outer loop provided the Port indicated
7315 * ready within 10 seconds.
7320 /* delay driver action following IF_TYPE_2 function reset */
7323 case LPFC_SLI_INTF_IF_TYPE_1
:
7329 /* Catch the not-ready port failure after a port reset. */
7330 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7337 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7338 * @phba: pointer to lpfc hba data structure.
7339 * @cnt: number of nop mailbox commands to send.
7341 * This routine is invoked to send a number @cnt of NOP mailbox command and
7342 * wait for each command to complete.
7344 * Return: the number of NOP mailbox command completed.
7347 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7349 LPFC_MBOXQ_t
*mboxq
;
7350 int length
, cmdsent
;
7353 uint32_t shdr_status
, shdr_add_status
;
7354 union lpfc_sli4_cfg_shdr
*shdr
;
7357 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7358 "2518 Requested to send 0 NOP mailbox cmd\n");
7362 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7364 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7365 "2519 Unable to allocate memory for issuing "
7366 "NOP mailbox command\n");
7370 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7371 length
= (sizeof(struct lpfc_mbx_nop
) -
7372 sizeof(struct lpfc_sli4_cfg_mhdr
));
7373 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7374 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
7376 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7377 if (!phba
->sli4_hba
.intr_enable
)
7378 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7380 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7381 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7383 if (rc
== MBX_TIMEOUT
)
7385 /* Check return status */
7386 shdr
= (union lpfc_sli4_cfg_shdr
*)
7387 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7388 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7389 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7391 if (shdr_status
|| shdr_add_status
|| rc
) {
7392 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7393 "2520 NOP mailbox command failed "
7394 "status x%x add_status x%x mbx "
7395 "status x%x\n", shdr_status
,
7396 shdr_add_status
, rc
);
7401 if (rc
!= MBX_TIMEOUT
)
7402 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7408 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7409 * @phba: pointer to lpfc hba data structure.
7411 * This routine is invoked to set up the PCI device memory space for device
7412 * with SLI-4 interface spec.
7416 * other values - error
7419 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7421 struct pci_dev
*pdev
;
7422 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7423 int error
= -ENODEV
;
7426 /* Obtain PCI device reference */
7430 pdev
= phba
->pcidev
;
7432 /* Set the device DMA mask size */
7433 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7434 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7435 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7436 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7442 * The BARs and register set definitions and offset locations are
7443 * dependent on the if_type.
7445 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7446 &phba
->sli4_hba
.sli_intf
.word0
)) {
7450 /* There is no SLI3 failback for SLI4 devices. */
7451 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7452 LPFC_SLI_INTF_VALID
) {
7453 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7454 "2894 SLI_INTF reg contents invalid "
7455 "sli_intf reg 0x%x\n",
7456 phba
->sli4_hba
.sli_intf
.word0
);
7460 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7462 * Get the bus address of SLI4 device Bar regions and the
7463 * number of bytes required by each mapping. The mapping of the
7464 * particular PCI BARs regions is dependent on the type of
7467 if (pci_resource_start(pdev
, 0)) {
7468 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7469 bar0map_len
= pci_resource_len(pdev
, 0);
7472 * Map SLI4 PCI Config Space Register base to a kernel virtual
7475 phba
->sli4_hba
.conf_regs_memmap_p
=
7476 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7477 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7478 dev_printk(KERN_ERR
, &pdev
->dev
,
7479 "ioremap failed for SLI4 PCI config "
7483 /* Set up BAR0 PCI config space register memory map */
7484 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7486 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7487 bar0map_len
= pci_resource_len(pdev
, 1);
7488 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7489 dev_printk(KERN_ERR
, &pdev
->dev
,
7490 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7493 phba
->sli4_hba
.conf_regs_memmap_p
=
7494 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7495 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7496 dev_printk(KERN_ERR
, &pdev
->dev
,
7497 "ioremap failed for SLI4 PCI config "
7501 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7504 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7505 (pci_resource_start(pdev
, 2))) {
7507 * Map SLI4 if type 0 HBA Control Register base to a kernel
7508 * virtual address and setup the registers.
7510 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7511 bar1map_len
= pci_resource_len(pdev
, 2);
7512 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7513 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7514 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7515 dev_printk(KERN_ERR
, &pdev
->dev
,
7516 "ioremap failed for SLI4 HBA control registers.\n");
7517 goto out_iounmap_conf
;
7519 lpfc_sli4_bar1_register_memmap(phba
);
7522 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7523 (pci_resource_start(pdev
, 4))) {
7525 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7526 * virtual address and setup the registers.
7528 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7529 bar2map_len
= pci_resource_len(pdev
, 4);
7530 phba
->sli4_hba
.drbl_regs_memmap_p
=
7531 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7532 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7533 dev_printk(KERN_ERR
, &pdev
->dev
,
7534 "ioremap failed for SLI4 HBA doorbell registers.\n");
7535 goto out_iounmap_ctrl
;
7537 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7539 goto out_iounmap_all
;
7545 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7547 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7549 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7555 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7556 * @phba: pointer to lpfc hba data structure.
7558 * This routine is invoked to unset the PCI device memory space for device
7559 * with SLI-4 interface spec.
7562 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7565 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7568 case LPFC_SLI_INTF_IF_TYPE_0
:
7569 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7570 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7571 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7573 case LPFC_SLI_INTF_IF_TYPE_2
:
7574 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7576 case LPFC_SLI_INTF_IF_TYPE_1
:
7578 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7579 "FATAL - unsupported SLI4 interface type - %d\n",
7586 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7587 * @phba: pointer to lpfc hba data structure.
7589 * This routine is invoked to enable the MSI-X interrupt vectors to device
7590 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7591 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7592 * invoked, enables either all or nothing, depending on the current
7593 * availability of PCI vector resources. The device driver is responsible
7594 * for calling the individual request_irq() to register each MSI-X vector
7595 * with a interrupt handler, which is done in this function. Note that
7596 * later when device is unloading, the driver should always call free_irq()
7597 * on all MSI-X vectors it has done request_irq() on before calling
7598 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7599 * will be left with MSI-X enabled and leaks its vectors.
7603 * other values - error
7606 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7611 /* Set up MSI-X multi-message vectors */
7612 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7613 phba
->msix_entries
[i
].entry
= i
;
7615 /* Configure MSI-X capability structure */
7616 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7617 ARRAY_SIZE(phba
->msix_entries
));
7619 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7620 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7623 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7624 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7625 "0477 MSI-X entry[%d]: vector=x%x "
7627 phba
->msix_entries
[i
].vector
,
7628 phba
->msix_entries
[i
].entry
);
7630 * Assign MSI-X vectors to interrupt handlers
7633 /* vector-0 is associated to slow-path handler */
7634 rc
= request_irq(phba
->msix_entries
[0].vector
,
7635 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7636 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7638 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7639 "0421 MSI-X slow-path request_irq failed "
7644 /* vector-1 is associated to fast-path handler */
7645 rc
= request_irq(phba
->msix_entries
[1].vector
,
7646 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7647 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7650 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7651 "0429 MSI-X fast-path request_irq failed "
7657 * Configure HBA MSI-X attention conditions to messages
7659 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7663 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7664 "0474 Unable to allocate memory for issuing "
7665 "MBOX_CONFIG_MSI command\n");
7668 rc
= lpfc_config_msi(phba
, pmb
);
7671 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7672 if (rc
!= MBX_SUCCESS
) {
7673 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7674 "0351 Config MSI mailbox command failed, "
7675 "mbxCmd x%x, mbxStatus x%x\n",
7676 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7680 /* Free memory allocated for mailbox command */
7681 mempool_free(pmb
, phba
->mbox_mem_pool
);
7685 /* Free memory allocated for mailbox command */
7686 mempool_free(pmb
, phba
->mbox_mem_pool
);
7689 /* free the irq already requested */
7690 free_irq(phba
->msix_entries
[1].vector
, phba
);
7693 /* free the irq already requested */
7694 free_irq(phba
->msix_entries
[0].vector
, phba
);
7697 /* Unconfigure MSI-X capability structure */
7698 pci_disable_msix(phba
->pcidev
);
7703 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7704 * @phba: pointer to lpfc hba data structure.
7706 * This routine is invoked to release the MSI-X vectors and then disable the
7707 * MSI-X interrupt mode to device with SLI-3 interface spec.
7710 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7714 /* Free up MSI-X multi-message vectors */
7715 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7716 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7718 pci_disable_msix(phba
->pcidev
);
7724 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7725 * @phba: pointer to lpfc hba data structure.
7727 * This routine is invoked to enable the MSI interrupt mode to device with
7728 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7729 * enable the MSI vector. The device driver is responsible for calling the
7730 * request_irq() to register MSI vector with a interrupt the handler, which
7731 * is done in this function.
7735 * other values - error
7738 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7742 rc
= pci_enable_msi(phba
->pcidev
);
7744 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7745 "0462 PCI enable MSI mode success.\n");
7747 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7748 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7752 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7753 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7755 pci_disable_msi(phba
->pcidev
);
7756 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7757 "0478 MSI request_irq failed (%d)\n", rc
);
7763 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7764 * @phba: pointer to lpfc hba data structure.
7766 * This routine is invoked to disable the MSI interrupt mode to device with
7767 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7768 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7769 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7773 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7775 free_irq(phba
->pcidev
->irq
, phba
);
7776 pci_disable_msi(phba
->pcidev
);
7781 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7782 * @phba: pointer to lpfc hba data structure.
7784 * This routine is invoked to enable device interrupt and associate driver's
7785 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7786 * spec. Depends on the interrupt mode configured to the driver, the driver
7787 * will try to fallback from the configured interrupt mode to an interrupt
7788 * mode which is supported by the platform, kernel, and device in the order
7790 * MSI-X -> MSI -> IRQ.
7794 * other values - error
7797 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7799 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7802 if (cfg_mode
== 2) {
7803 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
7804 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
7806 /* Now, try to enable MSI-X interrupt mode */
7807 retval
= lpfc_sli_enable_msix(phba
);
7809 /* Indicate initialization to MSI-X mode */
7810 phba
->intr_type
= MSIX
;
7816 /* Fallback to MSI if MSI-X initialization failed */
7817 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7818 retval
= lpfc_sli_enable_msi(phba
);
7820 /* Indicate initialization to MSI mode */
7821 phba
->intr_type
= MSI
;
7826 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7827 if (phba
->intr_type
== NONE
) {
7828 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7829 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7831 /* Indicate initialization to INTx mode */
7832 phba
->intr_type
= INTx
;
7840 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
7841 * @phba: pointer to lpfc hba data structure.
7843 * This routine is invoked to disable device interrupt and disassociate the
7844 * driver's interrupt handler(s) from interrupt vector(s) to device with
7845 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
7846 * release the interrupt vector(s) for the message signaled interrupt.
7849 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
7851 /* Disable the currently initialized interrupt mode */
7852 if (phba
->intr_type
== MSIX
)
7853 lpfc_sli_disable_msix(phba
);
7854 else if (phba
->intr_type
== MSI
)
7855 lpfc_sli_disable_msi(phba
);
7856 else if (phba
->intr_type
== INTx
)
7857 free_irq(phba
->pcidev
->irq
, phba
);
7859 /* Reset interrupt management states */
7860 phba
->intr_type
= NONE
;
7861 phba
->sli
.slistat
.sli_intr
= 0;
7867 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
7868 * @phba: pointer to lpfc hba data structure.
7870 * This routine is invoked to enable the MSI-X interrupt vectors to device
7871 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
7872 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
7873 * enables either all or nothing, depending on the current availability of
7874 * PCI vector resources. The device driver is responsible for calling the
7875 * individual request_irq() to register each MSI-X vector with a interrupt
7876 * handler, which is done in this function. Note that later when device is
7877 * unloading, the driver should always call free_irq() on all MSI-X vectors
7878 * it has done request_irq() on before calling pci_disable_msix(). Failure
7879 * to do so results in a BUG_ON() and a device will be left with MSI-X
7880 * enabled and leaks its vectors.
7884 * other values - error
7887 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
7889 int vectors
, rc
, index
;
7891 /* Set up MSI-X multi-message vectors */
7892 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
7893 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
7895 /* Configure MSI-X capability structure */
7896 vectors
= phba
->sli4_hba
.cfg_eqn
;
7897 enable_msix_vectors
:
7898 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
7902 goto enable_msix_vectors
;
7904 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7905 "0484 PCI enable MSI-X failed (%d)\n", rc
);
7909 /* Log MSI-X vector assignment */
7910 for (index
= 0; index
< vectors
; index
++)
7911 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7912 "0489 MSI-X entry[%d]: vector=x%x "
7913 "message=%d\n", index
,
7914 phba
->sli4_hba
.msix_entries
[index
].vector
,
7915 phba
->sli4_hba
.msix_entries
[index
].entry
);
7917 * Assign MSI-X vectors to interrupt handlers
7920 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7921 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
7922 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7924 /* All Interrupts need to be handled by one EQ */
7925 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7926 &lpfc_sli4_intr_handler
, IRQF_SHARED
,
7927 LPFC_DRIVER_NAME
, phba
);
7929 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7930 "0485 MSI-X slow-path request_irq failed "
7935 /* The rest of the vector(s) are associated to fast-path handler(s) */
7936 for (index
= 1; index
< vectors
; index
++) {
7937 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
7938 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
7939 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7940 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
7941 LPFC_FP_DRIVER_HANDLER_NAME
,
7942 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7944 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7945 "0486 MSI-X fast-path (%d) "
7946 "request_irq failed (%d)\n", index
, rc
);
7950 phba
->sli4_hba
.msix_vec_nr
= vectors
;
7955 /* free the irq already requested */
7956 for (--index
; index
>= 1; index
--)
7957 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
7958 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7960 /* free the irq already requested */
7961 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7964 /* Unconfigure MSI-X capability structure */
7965 pci_disable_msix(phba
->pcidev
);
7970 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
7971 * @phba: pointer to lpfc hba data structure.
7973 * This routine is invoked to release the MSI-X vectors and then disable the
7974 * MSI-X interrupt mode to device with SLI-4 interface spec.
7977 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
7981 /* Free up MSI-X multi-message vectors */
7982 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7984 for (index
= 1; index
< phba
->sli4_hba
.msix_vec_nr
; index
++)
7985 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7986 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7989 pci_disable_msix(phba
->pcidev
);
7995 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
7996 * @phba: pointer to lpfc hba data structure.
7998 * This routine is invoked to enable the MSI interrupt mode to device with
7999 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8000 * to enable the MSI vector. The device driver is responsible for calling
8001 * the request_irq() to register MSI vector with a interrupt the handler,
8002 * which is done in this function.
8006 * other values - error
8009 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8013 rc
= pci_enable_msi(phba
->pcidev
);
8015 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8016 "0487 PCI enable MSI mode success.\n");
8018 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8019 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8023 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8024 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8026 pci_disable_msi(phba
->pcidev
);
8027 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8028 "0490 MSI request_irq failed (%d)\n", rc
);
8032 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
8033 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8034 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8041 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8042 * @phba: pointer to lpfc hba data structure.
8044 * This routine is invoked to disable the MSI interrupt mode to device with
8045 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8046 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8047 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8051 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8053 free_irq(phba
->pcidev
->irq
, phba
);
8054 pci_disable_msi(phba
->pcidev
);
8059 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8060 * @phba: pointer to lpfc hba data structure.
8062 * This routine is invoked to enable device interrupt and associate driver's
8063 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8064 * interface spec. Depends on the interrupt mode configured to the driver,
8065 * the driver will try to fallback from the configured interrupt mode to an
8066 * interrupt mode which is supported by the platform, kernel, and device in
8068 * MSI-X -> MSI -> IRQ.
8072 * other values - error
8075 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8077 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8080 if (cfg_mode
== 2) {
8081 /* Preparation before conf_msi mbox cmd */
8084 /* Now, try to enable MSI-X interrupt mode */
8085 retval
= lpfc_sli4_enable_msix(phba
);
8087 /* Indicate initialization to MSI-X mode */
8088 phba
->intr_type
= MSIX
;
8094 /* Fallback to MSI if MSI-X initialization failed */
8095 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8096 retval
= lpfc_sli4_enable_msi(phba
);
8098 /* Indicate initialization to MSI mode */
8099 phba
->intr_type
= MSI
;
8104 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8105 if (phba
->intr_type
== NONE
) {
8106 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8107 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8109 /* Indicate initialization to INTx mode */
8110 phba
->intr_type
= INTx
;
8112 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
8114 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8115 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8123 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8124 * @phba: pointer to lpfc hba data structure.
8126 * This routine is invoked to disable device interrupt and disassociate
8127 * the driver's interrupt handler(s) from interrupt vector(s) to device
8128 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8129 * will release the interrupt vector(s) for the message signaled interrupt.
8132 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8134 /* Disable the currently initialized interrupt mode */
8135 if (phba
->intr_type
== MSIX
)
8136 lpfc_sli4_disable_msix(phba
);
8137 else if (phba
->intr_type
== MSI
)
8138 lpfc_sli4_disable_msi(phba
);
8139 else if (phba
->intr_type
== INTx
)
8140 free_irq(phba
->pcidev
->irq
, phba
);
8142 /* Reset interrupt management states */
8143 phba
->intr_type
= NONE
;
8144 phba
->sli
.slistat
.sli_intr
= 0;
8150 * lpfc_unset_hba - Unset SLI3 hba device initialization
8151 * @phba: pointer to lpfc hba data structure.
8153 * This routine is invoked to unset the HBA device initialization steps to
8154 * a device with SLI-3 interface spec.
8157 lpfc_unset_hba(struct lpfc_hba
*phba
)
8159 struct lpfc_vport
*vport
= phba
->pport
;
8160 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8162 spin_lock_irq(shost
->host_lock
);
8163 vport
->load_flag
|= FC_UNLOADING
;
8164 spin_unlock_irq(shost
->host_lock
);
8166 lpfc_stop_hba_timers(phba
);
8168 phba
->pport
->work_port_events
= 0;
8170 lpfc_sli_hba_down(phba
);
8172 lpfc_sli_brdrestart(phba
);
8174 lpfc_sli_disable_intr(phba
);
8180 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8181 * @phba: pointer to lpfc hba data structure.
8183 * This routine is invoked to unset the HBA device initialization steps to
8184 * a device with SLI-4 interface spec.
8187 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
8189 struct lpfc_vport
*vport
= phba
->pport
;
8190 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8192 spin_lock_irq(shost
->host_lock
);
8193 vport
->load_flag
|= FC_UNLOADING
;
8194 spin_unlock_irq(shost
->host_lock
);
8196 phba
->pport
->work_port_events
= 0;
8198 /* Stop the SLI4 device port */
8199 lpfc_stop_port(phba
);
8201 lpfc_sli4_disable_intr(phba
);
8203 /* Reset SLI4 HBA FCoE function */
8204 lpfc_pci_function_reset(phba
);
8205 lpfc_sli4_queue_destroy(phba
);
8211 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8212 * @phba: Pointer to HBA context object.
8214 * This function is called in the SLI4 code path to wait for completion
8215 * of device's XRIs exchange busy. It will check the XRI exchange busy
8216 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8217 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8218 * I/Os every 30 seconds, log error message, and wait forever. Only when
8219 * all XRI exchange busy complete, the driver unload shall proceed with
8220 * invoking the function reset ioctl mailbox command to the CNA and the
8221 * the rest of the driver unload resource release.
8224 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8227 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8228 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8230 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8231 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8234 "2877 FCP XRI exchange busy "
8235 "wait time: %d seconds.\n",
8238 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8239 "2878 ELS XRI exchange busy "
8240 "wait time: %d seconds.\n",
8242 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8243 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8245 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8246 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8249 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8251 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8256 * lpfc_sli4_hba_unset - Unset the fcoe hba
8257 * @phba: Pointer to HBA context object.
8259 * This function is called in the SLI4 code path to reset the HBA's FCoE
8260 * function. The caller is not required to hold any lock. This routine
8261 * issues PCI function reset mailbox command to reset the FCoE function.
8262 * At the end of the function, it calls lpfc_hba_down_post function to
8263 * free any pending commands.
8266 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8269 LPFC_MBOXQ_t
*mboxq
;
8270 struct pci_dev
*pdev
= phba
->pcidev
;
8272 lpfc_stop_hba_timers(phba
);
8273 phba
->sli4_hba
.intr_enable
= 0;
8276 * Gracefully wait out the potential current outstanding asynchronous
8280 /* First, block any pending async mailbox command from posted */
8281 spin_lock_irq(&phba
->hbalock
);
8282 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8283 spin_unlock_irq(&phba
->hbalock
);
8284 /* Now, trying to wait it out if we can */
8285 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8287 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8290 /* Forcefully release the outstanding mailbox command if timed out */
8291 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8292 spin_lock_irq(&phba
->hbalock
);
8293 mboxq
= phba
->sli
.mbox_active
;
8294 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8295 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8296 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8297 phba
->sli
.mbox_active
= NULL
;
8298 spin_unlock_irq(&phba
->hbalock
);
8301 /* Abort all iocbs associated with the hba */
8302 lpfc_sli_hba_iocb_abort(phba
);
8304 /* Wait for completion of device XRI exchange busy */
8305 lpfc_sli4_xri_exchange_busy_wait(phba
);
8307 /* Disable PCI subsystem interrupt */
8308 lpfc_sli4_disable_intr(phba
);
8310 /* Disable SR-IOV if enabled */
8311 if (phba
->cfg_sriov_nr_virtfn
)
8312 pci_disable_sriov(pdev
);
8314 /* Stop kthread signal shall trigger work_done one more time */
8315 kthread_stop(phba
->worker_thread
);
8317 /* Reset SLI4 HBA FCoE function */
8318 lpfc_pci_function_reset(phba
);
8319 lpfc_sli4_queue_destroy(phba
);
8321 /* Stop the SLI4 device port */
8322 phba
->pport
->work_port_events
= 0;
8326 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8327 * @phba: Pointer to HBA context object.
8328 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8330 * This function is called in the SLI4 code path to read the port's
8331 * sli4 capabilities.
8333 * This function may be be called from any context that can block-wait
8334 * for the completion. The expectation is that this routine is called
8335 * typically from probe_one or from the online routine.
8338 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8341 struct lpfc_mqe
*mqe
;
8342 struct lpfc_pc_sli4_params
*sli4_params
;
8346 mqe
= &mboxq
->u
.mqe
;
8348 /* Read the port's SLI4 Parameters port capabilities */
8349 lpfc_pc_sli4_params(mboxq
);
8350 if (!phba
->sli4_hba
.intr_enable
)
8351 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8353 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8354 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8360 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8361 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8362 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8363 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8364 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8365 &mqe
->un
.sli4_params
);
8366 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8367 &mqe
->un
.sli4_params
);
8368 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8369 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8370 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8371 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8372 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8373 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8374 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8375 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8376 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8377 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8378 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8379 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8380 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8381 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8382 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8383 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8384 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8385 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8386 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8387 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8388 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8390 /* Make sure that sge_supp_len can be handled by the driver */
8391 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8392 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8398 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8399 * @phba: Pointer to HBA context object.
8400 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8402 * This function is called in the SLI4 code path to read the port's
8403 * sli4 capabilities.
8405 * This function may be be called from any context that can block-wait
8406 * for the completion. The expectation is that this routine is called
8407 * typically from probe_one or from the online routine.
8410 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8413 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8414 struct lpfc_pc_sli4_params
*sli4_params
;
8417 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8420 * By default, the driver assumes the SLI4 port requires RPI
8421 * header postings. The SLI4_PARAM response will correct this
8424 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8426 /* Read the port's SLI4 Config Parameters */
8427 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8428 sizeof(struct lpfc_sli4_cfg_mhdr
));
8429 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8430 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8431 length
, LPFC_SLI4_MBX_EMBED
);
8432 if (!phba
->sli4_hba
.intr_enable
)
8433 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8435 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8436 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8440 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8441 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8442 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8443 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8444 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8445 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8446 mbx_sli4_parameters
);
8447 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8448 mbx_sli4_parameters
);
8449 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8450 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8452 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8453 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8454 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8455 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8456 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8457 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8458 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8459 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8460 mbx_sli4_parameters
);
8461 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8462 mbx_sli4_parameters
);
8463 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8464 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8466 /* Make sure that sge_supp_len can be handled by the driver */
8467 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8468 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8474 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8475 * @pdev: pointer to PCI device
8476 * @pid: pointer to PCI device identifier
8478 * This routine is to be called to attach a device with SLI-3 interface spec
8479 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8480 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8481 * information of the device and driver to see if the driver state that it can
8482 * support this kind of device. If the match is successful, the driver core
8483 * invokes this routine. If this routine determines it can claim the HBA, it
8484 * does all the initialization that it needs to do to handle the HBA properly.
8487 * 0 - driver can claim the device
8488 * negative value - driver can not claim the device
8490 static int __devinit
8491 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8493 struct lpfc_hba
*phba
;
8494 struct lpfc_vport
*vport
= NULL
;
8495 struct Scsi_Host
*shost
= NULL
;
8497 uint32_t cfg_mode
, intr_mode
;
8499 /* Allocate memory for HBA structure */
8500 phba
= lpfc_hba_alloc(pdev
);
8504 /* Perform generic PCI device enabling operation */
8505 error
= lpfc_enable_pci_dev(phba
);
8509 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8510 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8512 goto out_disable_pci_dev
;
8514 /* Set up SLI-3 specific device PCI memory space */
8515 error
= lpfc_sli_pci_mem_setup(phba
);
8517 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8518 "1402 Failed to set up pci memory space.\n");
8519 goto out_disable_pci_dev
;
8522 /* Set up phase-1 common device driver resources */
8523 error
= lpfc_setup_driver_resource_phase1(phba
);
8525 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8526 "1403 Failed to set up driver resource.\n");
8527 goto out_unset_pci_mem_s3
;
8530 /* Set up SLI-3 specific device driver resources */
8531 error
= lpfc_sli_driver_resource_setup(phba
);
8533 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8534 "1404 Failed to set up driver resource.\n");
8535 goto out_unset_pci_mem_s3
;
8538 /* Initialize and populate the iocb list per host */
8539 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8541 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8542 "1405 Failed to initialize iocb list.\n");
8543 goto out_unset_driver_resource_s3
;
8546 /* Set up common device driver resources */
8547 error
= lpfc_setup_driver_resource_phase2(phba
);
8549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8550 "1406 Failed to set up driver resource.\n");
8551 goto out_free_iocb_list
;
8554 /* Get the default values for Model Name and Description */
8555 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8557 /* Create SCSI host to the physical port */
8558 error
= lpfc_create_shost(phba
);
8560 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8561 "1407 Failed to create scsi host.\n");
8562 goto out_unset_driver_resource
;
8565 /* Configure sysfs attributes */
8566 vport
= phba
->pport
;
8567 error
= lpfc_alloc_sysfs_attr(vport
);
8569 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8570 "1476 Failed to allocate sysfs attr\n");
8571 goto out_destroy_shost
;
8574 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8575 /* Now, trying to enable interrupt and bring up the device */
8576 cfg_mode
= phba
->cfg_use_msi
;
8578 /* Put device to a known state before enabling interrupt */
8579 lpfc_stop_port(phba
);
8580 /* Configure and enable interrupt */
8581 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8582 if (intr_mode
== LPFC_INTR_ERROR
) {
8583 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8584 "0431 Failed to enable interrupt.\n");
8586 goto out_free_sysfs_attr
;
8588 /* SLI-3 HBA setup */
8589 if (lpfc_sli_hba_setup(phba
)) {
8590 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8591 "1477 Failed to set up hba\n");
8593 goto out_remove_device
;
8596 /* Wait 50ms for the interrupts of previous mailbox commands */
8598 /* Check active interrupts on message signaled interrupts */
8599 if (intr_mode
== 0 ||
8600 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8601 /* Log the current active interrupt mode */
8602 phba
->intr_mode
= intr_mode
;
8603 lpfc_log_intr_mode(phba
, intr_mode
);
8606 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8607 "0447 Configure interrupt mode (%d) "
8608 "failed active interrupt test.\n",
8610 /* Disable the current interrupt mode */
8611 lpfc_sli_disable_intr(phba
);
8612 /* Try next level of interrupt mode */
8613 cfg_mode
= --intr_mode
;
8617 /* Perform post initialization setup */
8618 lpfc_post_init_setup(phba
);
8620 /* Check if there are static vports to be created. */
8621 lpfc_create_static_vport(phba
);
8626 lpfc_unset_hba(phba
);
8627 out_free_sysfs_attr
:
8628 lpfc_free_sysfs_attr(vport
);
8630 lpfc_destroy_shost(phba
);
8631 out_unset_driver_resource
:
8632 lpfc_unset_driver_resource_phase2(phba
);
8634 lpfc_free_iocb_list(phba
);
8635 out_unset_driver_resource_s3
:
8636 lpfc_sli_driver_resource_unset(phba
);
8637 out_unset_pci_mem_s3
:
8638 lpfc_sli_pci_mem_unset(phba
);
8639 out_disable_pci_dev
:
8640 lpfc_disable_pci_dev(phba
);
8642 scsi_host_put(shost
);
8644 lpfc_hba_free(phba
);
8649 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8650 * @pdev: pointer to PCI device
8652 * This routine is to be called to disattach a device with SLI-3 interface
8653 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8654 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8655 * device to be removed from the PCI subsystem properly.
8657 static void __devexit
8658 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8660 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8661 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8662 struct lpfc_vport
**vports
;
8663 struct lpfc_hba
*phba
= vport
->phba
;
8665 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8667 spin_lock_irq(&phba
->hbalock
);
8668 vport
->load_flag
|= FC_UNLOADING
;
8669 spin_unlock_irq(&phba
->hbalock
);
8671 lpfc_free_sysfs_attr(vport
);
8673 /* Release all the vports against this physical port */
8674 vports
= lpfc_create_vport_work_array(phba
);
8676 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
8677 fc_vport_terminate(vports
[i
]->fc_vport
);
8678 lpfc_destroy_vport_work_array(phba
, vports
);
8680 /* Remove FC host and then SCSI host with the physical port */
8681 fc_remove_host(shost
);
8682 scsi_remove_host(shost
);
8683 lpfc_cleanup(vport
);
8686 * Bring down the SLI Layer. This step disable all interrupts,
8687 * clears the rings, discards all mailbox commands, and resets
8691 /* HBA interrupt will be disabled after this call */
8692 lpfc_sli_hba_down(phba
);
8693 /* Stop kthread signal shall trigger work_done one more time */
8694 kthread_stop(phba
->worker_thread
);
8695 /* Final cleanup of txcmplq and reset the HBA */
8696 lpfc_sli_brdrestart(phba
);
8698 lpfc_stop_hba_timers(phba
);
8699 spin_lock_irq(&phba
->hbalock
);
8700 list_del_init(&vport
->listentry
);
8701 spin_unlock_irq(&phba
->hbalock
);
8703 lpfc_debugfs_terminate(vport
);
8705 /* Disable SR-IOV if enabled */
8706 if (phba
->cfg_sriov_nr_virtfn
)
8707 pci_disable_sriov(pdev
);
8709 /* Disable interrupt */
8710 lpfc_sli_disable_intr(phba
);
8712 pci_set_drvdata(pdev
, NULL
);
8713 scsi_host_put(shost
);
8716 * Call scsi_free before mem_free since scsi bufs are released to their
8717 * corresponding pools here.
8719 lpfc_scsi_free(phba
);
8720 lpfc_mem_free_all(phba
);
8722 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8723 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8725 /* Free resources associated with SLI2 interface */
8726 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8727 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8729 /* unmap adapter SLIM and Control Registers */
8730 iounmap(phba
->ctrl_regs_memmap_p
);
8731 iounmap(phba
->slim_memmap_p
);
8733 lpfc_hba_free(phba
);
8735 pci_release_selected_regions(pdev
, bars
);
8736 pci_disable_device(pdev
);
8740 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8741 * @pdev: pointer to PCI device
8742 * @msg: power management message
8744 * This routine is to be called from the kernel's PCI subsystem to support
8745 * system Power Management (PM) to device with SLI-3 interface spec. When
8746 * PM invokes this method, it quiesces the device by stopping the driver's
8747 * worker thread for the device, turning off device's interrupt and DMA,
8748 * and bring the device offline. Note that as the driver implements the
8749 * minimum PM requirements to a power-aware driver's PM support for the
8750 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8751 * to the suspend() method call will be treated as SUSPEND and the driver will
8752 * fully reinitialize its device during resume() method call, the driver will
8753 * set device to PCI_D3hot state in PCI config space instead of setting it
8754 * according to the @msg provided by the PM.
8757 * 0 - driver suspended the device
8761 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8763 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8764 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8766 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8767 "0473 PCI device Power Management suspend.\n");
8769 /* Bring down the device */
8770 lpfc_offline_prep(phba
);
8772 kthread_stop(phba
->worker_thread
);
8774 /* Disable interrupt from device */
8775 lpfc_sli_disable_intr(phba
);
8777 /* Save device state to PCI config space */
8778 pci_save_state(pdev
);
8779 pci_set_power_state(pdev
, PCI_D3hot
);
8785 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8786 * @pdev: pointer to PCI device
8788 * This routine is to be called from the kernel's PCI subsystem to support
8789 * system Power Management (PM) to device with SLI-3 interface spec. When PM
8790 * invokes this method, it restores the device's PCI config space state and
8791 * fully reinitializes the device and brings it online. Note that as the
8792 * driver implements the minimum PM requirements to a power-aware driver's
8793 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
8794 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
8795 * driver will fully reinitialize its device during resume() method call,
8796 * the device will be set to PCI_D0 directly in PCI config space before
8797 * restoring the state.
8800 * 0 - driver suspended the device
8804 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
8806 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8807 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8811 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8812 "0452 PCI device Power Management resume.\n");
8814 /* Restore device state from PCI config space */
8815 pci_set_power_state(pdev
, PCI_D0
);
8816 pci_restore_state(pdev
);
8819 * As the new kernel behavior of pci_restore_state() API call clears
8820 * device saved_state flag, need to save the restored state again.
8822 pci_save_state(pdev
);
8824 if (pdev
->is_busmaster
)
8825 pci_set_master(pdev
);
8827 /* Startup the kernel thread for this host adapter. */
8828 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
8829 "lpfc_worker_%d", phba
->brd_no
);
8830 if (IS_ERR(phba
->worker_thread
)) {
8831 error
= PTR_ERR(phba
->worker_thread
);
8832 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8833 "0434 PM resume failed to start worker "
8834 "thread: error=x%x.\n", error
);
8838 /* Configure and enable interrupt */
8839 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8840 if (intr_mode
== LPFC_INTR_ERROR
) {
8841 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8842 "0430 PM resume Failed to enable interrupt\n");
8845 phba
->intr_mode
= intr_mode
;
8847 /* Restart HBA and bring it online */
8848 lpfc_sli_brdrestart(phba
);
8851 /* Log the current active interrupt mode */
8852 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8858 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
8859 * @phba: pointer to lpfc hba data structure.
8861 * This routine is called to prepare the SLI3 device for PCI slot recover. It
8862 * aborts all the outstanding SCSI I/Os to the pci device.
8865 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
8867 struct lpfc_sli
*psli
= &phba
->sli
;
8868 struct lpfc_sli_ring
*pring
;
8870 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8871 "2723 PCI channel I/O abort preparing for recovery\n");
8874 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
8875 * and let the SCSI mid-layer to retry them to recover.
8877 pring
= &psli
->ring
[psli
->fcp_ring
];
8878 lpfc_sli_abort_iocb_ring(phba
, pring
);
8882 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
8883 * @phba: pointer to lpfc hba data structure.
8885 * This routine is called to prepare the SLI3 device for PCI slot reset. It
8886 * disables the device interrupt and pci device, and aborts the internal FCP
8890 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
8892 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8893 "2710 PCI channel disable preparing for reset\n");
8895 /* Block any management I/Os to the device */
8896 lpfc_block_mgmt_io(phba
);
8898 /* Block all SCSI devices' I/Os on the host */
8899 lpfc_scsi_dev_block(phba
);
8901 /* stop all timers */
8902 lpfc_stop_hba_timers(phba
);
8904 /* Disable interrupt and pci device */
8905 lpfc_sli_disable_intr(phba
);
8906 pci_disable_device(phba
->pcidev
);
8908 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
8909 lpfc_sli_flush_fcp_rings(phba
);
8913 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
8914 * @phba: pointer to lpfc hba data structure.
8916 * This routine is called to prepare the SLI3 device for PCI slot permanently
8917 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
8921 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
8923 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8924 "2711 PCI channel permanent disable for failure\n");
8925 /* Block all SCSI devices' I/Os on the host */
8926 lpfc_scsi_dev_block(phba
);
8928 /* stop all timers */
8929 lpfc_stop_hba_timers(phba
);
8931 /* Clean up all driver's outstanding SCSI I/Os */
8932 lpfc_sli_flush_fcp_rings(phba
);
8936 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
8937 * @pdev: pointer to PCI device.
8938 * @state: the current PCI connection state.
8940 * This routine is called from the PCI subsystem for I/O error handling to
8941 * device with SLI-3 interface spec. This function is called by the PCI
8942 * subsystem after a PCI bus error affecting this device has been detected.
8943 * When this function is invoked, it will need to stop all the I/Os and
8944 * interrupt(s) to the device. Once that is done, it will return
8945 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
8949 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
8950 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
8951 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8953 static pci_ers_result_t
8954 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
8956 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8957 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8960 case pci_channel_io_normal
:
8961 /* Non-fatal error, prepare for recovery */
8962 lpfc_sli_prep_dev_for_recover(phba
);
8963 return PCI_ERS_RESULT_CAN_RECOVER
;
8964 case pci_channel_io_frozen
:
8965 /* Fatal error, prepare for slot reset */
8966 lpfc_sli_prep_dev_for_reset(phba
);
8967 return PCI_ERS_RESULT_NEED_RESET
;
8968 case pci_channel_io_perm_failure
:
8969 /* Permanent failure, prepare for device down */
8970 lpfc_sli_prep_dev_for_perm_failure(phba
);
8971 return PCI_ERS_RESULT_DISCONNECT
;
8973 /* Unknown state, prepare and request slot reset */
8974 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8975 "0472 Unknown PCI error state: x%x\n", state
);
8976 lpfc_sli_prep_dev_for_reset(phba
);
8977 return PCI_ERS_RESULT_NEED_RESET
;
8982 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
8983 * @pdev: pointer to PCI device.
8985 * This routine is called from the PCI subsystem for error handling to
8986 * device with SLI-3 interface spec. This is called after PCI bus has been
8987 * reset to restart the PCI card from scratch, as if from a cold-boot.
8988 * During the PCI subsystem error recovery, after driver returns
8989 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
8990 * recovery and then call this routine before calling the .resume method
8991 * to recover the device. This function will initialize the HBA device,
8992 * enable the interrupt, but it will just put the HBA to offline state
8993 * without passing any I/O traffic.
8996 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
8997 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8999 static pci_ers_result_t
9000 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9002 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9003 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9004 struct lpfc_sli
*psli
= &phba
->sli
;
9007 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9008 if (pci_enable_device_mem(pdev
)) {
9009 printk(KERN_ERR
"lpfc: Cannot re-enable "
9010 "PCI device after reset.\n");
9011 return PCI_ERS_RESULT_DISCONNECT
;
9014 pci_restore_state(pdev
);
9017 * As the new kernel behavior of pci_restore_state() API call clears
9018 * device saved_state flag, need to save the restored state again.
9020 pci_save_state(pdev
);
9022 if (pdev
->is_busmaster
)
9023 pci_set_master(pdev
);
9025 spin_lock_irq(&phba
->hbalock
);
9026 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9027 spin_unlock_irq(&phba
->hbalock
);
9029 /* Configure and enable interrupt */
9030 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9031 if (intr_mode
== LPFC_INTR_ERROR
) {
9032 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9033 "0427 Cannot re-enable interrupt after "
9035 return PCI_ERS_RESULT_DISCONNECT
;
9037 phba
->intr_mode
= intr_mode
;
9039 /* Take device offline, it will perform cleanup */
9040 lpfc_offline_prep(phba
);
9042 lpfc_sli_brdrestart(phba
);
9044 /* Log the current active interrupt mode */
9045 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9047 return PCI_ERS_RESULT_RECOVERED
;
9051 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9052 * @pdev: pointer to PCI device
9054 * This routine is called from the PCI subsystem for error handling to device
9055 * with SLI-3 interface spec. It is called when kernel error recovery tells
9056 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9057 * error recovery. After this call, traffic can start to flow from this device
9061 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9063 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9064 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9066 /* Bring device online, it will be no-op for non-fatal error resume */
9069 /* Clean up Advanced Error Reporting (AER) if needed */
9070 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9071 pci_cleanup_aer_uncorrect_error_status(pdev
);
9075 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9076 * @phba: pointer to lpfc hba data structure.
9078 * returns the number of ELS/CT IOCBs to reserve
9081 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9083 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9085 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9088 else if (max_xri
<= 256)
9090 else if (max_xri
<= 512)
9092 else if (max_xri
<= 1024)
9101 * lpfc_write_firmware - attempt to write a firmware image to the port
9102 * @phba: pointer to lpfc hba data structure.
9103 * @fw: pointer to firmware image returned from request_firmware.
9105 * returns the number of bytes written if write is successful.
9106 * returns a negative error value if there were errors.
9107 * returns 0 if firmware matches currently active firmware on port.
9110 lpfc_write_firmware(struct lpfc_hba
*phba
, const struct firmware
*fw
)
9112 char fwrev
[FW_REV_STR_SIZE
];
9113 struct lpfc_grp_hdr
*image
= (struct lpfc_grp_hdr
*)fw
->data
;
9114 struct list_head dma_buffer_list
;
9116 struct lpfc_dmabuf
*dmabuf
, *next
;
9117 uint32_t offset
= 0, temp_offset
= 0;
9119 INIT_LIST_HEAD(&dma_buffer_list
);
9120 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9121 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9122 LPFC_FILE_TYPE_GROUP
) ||
9123 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9124 (be32_to_cpu(image
->size
) != fw
->size
)) {
9125 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9126 "3022 Invalid FW image found. "
9127 "Magic:%x Type:%x ID:%x\n",
9128 be32_to_cpu(image
->magic_number
),
9129 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9130 bf_get_be32(lpfc_grp_hdr_id
, image
));
9133 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9134 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9135 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9136 "3023 Updating Firmware. Current Version:%s "
9138 fwrev
, image
->revision
);
9139 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9140 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9146 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9150 if (!dmabuf
->virt
) {
9155 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9157 while (offset
< fw
->size
) {
9158 temp_offset
= offset
;
9159 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9160 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9161 memcpy(dmabuf
->virt
,
9162 fw
->data
+ temp_offset
,
9163 fw
->size
- temp_offset
);
9164 temp_offset
= fw
->size
;
9167 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9169 temp_offset
+= SLI4_PAGE_SIZE
;
9171 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9172 (fw
->size
- offset
), &offset
);
9174 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9175 "3024 Firmware update failed. "
9183 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9184 list_del(&dmabuf
->list
);
9185 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9186 dmabuf
->virt
, dmabuf
->phys
);
9193 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9194 * @pdev: pointer to PCI device
9195 * @pid: pointer to PCI device identifier
9197 * This routine is called from the kernel's PCI subsystem to device with
9198 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9199 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9200 * information of the device and driver to see if the driver state that it
9201 * can support this kind of device. If the match is successful, the driver
9202 * core invokes this routine. If this routine determines it can claim the HBA,
9203 * it does all the initialization that it needs to do to handle the HBA
9207 * 0 - driver can claim the device
9208 * negative value - driver can not claim the device
9210 static int __devinit
9211 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9213 struct lpfc_hba
*phba
;
9214 struct lpfc_vport
*vport
= NULL
;
9215 struct Scsi_Host
*shost
= NULL
;
9217 uint32_t cfg_mode
, intr_mode
;
9219 int adjusted_fcp_eq_count
;
9220 const struct firmware
*fw
;
9221 uint8_t file_name
[16];
9223 /* Allocate memory for HBA structure */
9224 phba
= lpfc_hba_alloc(pdev
);
9228 /* Perform generic PCI device enabling operation */
9229 error
= lpfc_enable_pci_dev(phba
);
9233 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9234 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9236 goto out_disable_pci_dev
;
9238 /* Set up SLI-4 specific device PCI memory space */
9239 error
= lpfc_sli4_pci_mem_setup(phba
);
9241 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9242 "1410 Failed to set up pci memory space.\n");
9243 goto out_disable_pci_dev
;
9246 /* Set up phase-1 common device driver resources */
9247 error
= lpfc_setup_driver_resource_phase1(phba
);
9249 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9250 "1411 Failed to set up driver resource.\n");
9251 goto out_unset_pci_mem_s4
;
9254 /* Set up SLI-4 Specific device driver resources */
9255 error
= lpfc_sli4_driver_resource_setup(phba
);
9257 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9258 "1412 Failed to set up driver resource.\n");
9259 goto out_unset_pci_mem_s4
;
9262 /* Initialize and populate the iocb list per host */
9264 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9265 "2821 initialize iocb list %d.\n",
9266 phba
->cfg_iocb_cnt
*1024);
9267 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9270 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9271 "1413 Failed to initialize iocb list.\n");
9272 goto out_unset_driver_resource_s4
;
9275 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9276 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9278 /* Set up common device driver resources */
9279 error
= lpfc_setup_driver_resource_phase2(phba
);
9281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9282 "1414 Failed to set up driver resource.\n");
9283 goto out_free_iocb_list
;
9286 /* Get the default values for Model Name and Description */
9287 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9289 /* Create SCSI host to the physical port */
9290 error
= lpfc_create_shost(phba
);
9292 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9293 "1415 Failed to create scsi host.\n");
9294 goto out_unset_driver_resource
;
9297 /* Configure sysfs attributes */
9298 vport
= phba
->pport
;
9299 error
= lpfc_alloc_sysfs_attr(vport
);
9301 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9302 "1416 Failed to allocate sysfs attr\n");
9303 goto out_destroy_shost
;
9306 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9307 /* Now, trying to enable interrupt and bring up the device */
9308 cfg_mode
= phba
->cfg_use_msi
;
9310 /* Put device to a known state before enabling interrupt */
9311 lpfc_stop_port(phba
);
9312 /* Configure and enable interrupt */
9313 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9314 if (intr_mode
== LPFC_INTR_ERROR
) {
9315 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9316 "0426 Failed to enable interrupt.\n");
9318 goto out_free_sysfs_attr
;
9320 /* Default to single EQ for non-MSI-X */
9321 if (phba
->intr_type
!= MSIX
)
9322 adjusted_fcp_eq_count
= 0;
9323 else if (phba
->sli4_hba
.msix_vec_nr
<
9324 phba
->cfg_fcp_eq_count
+ 1)
9325 adjusted_fcp_eq_count
= phba
->sli4_hba
.msix_vec_nr
- 1;
9327 adjusted_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
9328 phba
->cfg_fcp_eq_count
= adjusted_fcp_eq_count
;
9329 /* Set up SLI-4 HBA */
9330 if (lpfc_sli4_hba_setup(phba
)) {
9331 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9332 "1421 Failed to set up hba\n");
9334 goto out_disable_intr
;
9337 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9339 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9342 /* Check active interrupts received only for MSI/MSI-X */
9343 if (intr_mode
== 0 ||
9344 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9345 /* Log the current active interrupt mode */
9346 phba
->intr_mode
= intr_mode
;
9347 lpfc_log_intr_mode(phba
, intr_mode
);
9350 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9351 "0451 Configure interrupt mode (%d) "
9352 "failed active interrupt test.\n",
9354 /* Unset the previous SLI-4 HBA setup. */
9356 * TODO: Is this operation compatible with IF TYPE 2
9357 * devices? All port state is deleted and cleared.
9359 lpfc_sli4_unset_hba(phba
);
9360 /* Try next level of interrupt mode */
9361 cfg_mode
= --intr_mode
;
9364 /* Perform post initialization setup */
9365 lpfc_post_init_setup(phba
);
9367 /* check for firmware upgrade or downgrade (if_type 2 only) */
9368 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
9369 LPFC_SLI_INTF_IF_TYPE_2
) {
9370 snprintf(file_name
, 16, "%s.grp", phba
->ModelName
);
9371 error
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9373 lpfc_write_firmware(phba
, fw
);
9374 release_firmware(fw
);
9378 /* Check if there are static vports to be created. */
9379 lpfc_create_static_vport(phba
);
9383 lpfc_sli4_disable_intr(phba
);
9384 out_free_sysfs_attr
:
9385 lpfc_free_sysfs_attr(vport
);
9387 lpfc_destroy_shost(phba
);
9388 out_unset_driver_resource
:
9389 lpfc_unset_driver_resource_phase2(phba
);
9391 lpfc_free_iocb_list(phba
);
9392 out_unset_driver_resource_s4
:
9393 lpfc_sli4_driver_resource_unset(phba
);
9394 out_unset_pci_mem_s4
:
9395 lpfc_sli4_pci_mem_unset(phba
);
9396 out_disable_pci_dev
:
9397 lpfc_disable_pci_dev(phba
);
9399 scsi_host_put(shost
);
9401 lpfc_hba_free(phba
);
9406 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9407 * @pdev: pointer to PCI device
9409 * This routine is called from the kernel's PCI subsystem to device with
9410 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9411 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9412 * device to be removed from the PCI subsystem properly.
9414 static void __devexit
9415 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9417 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9418 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9419 struct lpfc_vport
**vports
;
9420 struct lpfc_hba
*phba
= vport
->phba
;
9423 /* Mark the device unloading flag */
9424 spin_lock_irq(&phba
->hbalock
);
9425 vport
->load_flag
|= FC_UNLOADING
;
9426 spin_unlock_irq(&phba
->hbalock
);
9428 /* Free the HBA sysfs attributes */
9429 lpfc_free_sysfs_attr(vport
);
9431 /* Release all the vports against this physical port */
9432 vports
= lpfc_create_vport_work_array(phba
);
9434 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
9435 fc_vport_terminate(vports
[i
]->fc_vport
);
9436 lpfc_destroy_vport_work_array(phba
, vports
);
9438 /* Remove FC host and then SCSI host with the physical port */
9439 fc_remove_host(shost
);
9440 scsi_remove_host(shost
);
9442 /* Perform cleanup on the physical port */
9443 lpfc_cleanup(vport
);
9446 * Bring down the SLI Layer. This step disables all interrupts,
9447 * clears the rings, discards all mailbox commands, and resets
9448 * the HBA FCoE function.
9450 lpfc_debugfs_terminate(vport
);
9451 lpfc_sli4_hba_unset(phba
);
9453 spin_lock_irq(&phba
->hbalock
);
9454 list_del_init(&vport
->listentry
);
9455 spin_unlock_irq(&phba
->hbalock
);
9457 /* Perform scsi free before driver resource_unset since scsi
9458 * buffers are released to their corresponding pools here.
9460 lpfc_scsi_free(phba
);
9461 lpfc_sli4_driver_resource_unset(phba
);
9463 /* Unmap adapter Control and Doorbell registers */
9464 lpfc_sli4_pci_mem_unset(phba
);
9466 /* Release PCI resources and disable device's PCI function */
9467 scsi_host_put(shost
);
9468 lpfc_disable_pci_dev(phba
);
9470 /* Finally, free the driver's device data structure */
9471 lpfc_hba_free(phba
);
9477 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9478 * @pdev: pointer to PCI device
9479 * @msg: power management message
9481 * This routine is called from the kernel's PCI subsystem to support system
9482 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9483 * this method, it quiesces the device by stopping the driver's worker
9484 * thread for the device, turning off device's interrupt and DMA, and bring
9485 * the device offline. Note that as the driver implements the minimum PM
9486 * requirements to a power-aware driver's PM support for suspend/resume -- all
9487 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9488 * method call will be treated as SUSPEND and the driver will fully
9489 * reinitialize its device during resume() method call, the driver will set
9490 * device to PCI_D3hot state in PCI config space instead of setting it
9491 * according to the @msg provided by the PM.
9494 * 0 - driver suspended the device
9498 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9500 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9501 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9503 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9504 "2843 PCI device Power Management suspend.\n");
9506 /* Bring down the device */
9507 lpfc_offline_prep(phba
);
9509 kthread_stop(phba
->worker_thread
);
9511 /* Disable interrupt from device */
9512 lpfc_sli4_disable_intr(phba
);
9513 lpfc_sli4_queue_destroy(phba
);
9515 /* Save device state to PCI config space */
9516 pci_save_state(pdev
);
9517 pci_set_power_state(pdev
, PCI_D3hot
);
9523 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9524 * @pdev: pointer to PCI device
9526 * This routine is called from the kernel's PCI subsystem to support system
9527 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9528 * this method, it restores the device's PCI config space state and fully
9529 * reinitializes the device and brings it online. Note that as the driver
9530 * implements the minimum PM requirements to a power-aware driver's PM for
9531 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9532 * to the suspend() method call will be treated as SUSPEND and the driver
9533 * will fully reinitialize its device during resume() method call, the device
9534 * will be set to PCI_D0 directly in PCI config space before restoring the
9538 * 0 - driver suspended the device
9542 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9544 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9545 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9549 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9550 "0292 PCI device Power Management resume.\n");
9552 /* Restore device state from PCI config space */
9553 pci_set_power_state(pdev
, PCI_D0
);
9554 pci_restore_state(pdev
);
9557 * As the new kernel behavior of pci_restore_state() API call clears
9558 * device saved_state flag, need to save the restored state again.
9560 pci_save_state(pdev
);
9562 if (pdev
->is_busmaster
)
9563 pci_set_master(pdev
);
9565 /* Startup the kernel thread for this host adapter. */
9566 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9567 "lpfc_worker_%d", phba
->brd_no
);
9568 if (IS_ERR(phba
->worker_thread
)) {
9569 error
= PTR_ERR(phba
->worker_thread
);
9570 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9571 "0293 PM resume failed to start worker "
9572 "thread: error=x%x.\n", error
);
9576 /* Configure and enable interrupt */
9577 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9578 if (intr_mode
== LPFC_INTR_ERROR
) {
9579 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9580 "0294 PM resume Failed to enable interrupt\n");
9583 phba
->intr_mode
= intr_mode
;
9585 /* Restart HBA and bring it online */
9586 lpfc_sli_brdrestart(phba
);
9589 /* Log the current active interrupt mode */
9590 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9596 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9597 * @phba: pointer to lpfc hba data structure.
9599 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9600 * aborts all the outstanding SCSI I/Os to the pci device.
9603 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9605 struct lpfc_sli
*psli
= &phba
->sli
;
9606 struct lpfc_sli_ring
*pring
;
9608 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9609 "2828 PCI channel I/O abort preparing for recovery\n");
9611 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9612 * and let the SCSI mid-layer to retry them to recover.
9614 pring
= &psli
->ring
[psli
->fcp_ring
];
9615 lpfc_sli_abort_iocb_ring(phba
, pring
);
9619 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9620 * @phba: pointer to lpfc hba data structure.
9622 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9623 * disables the device interrupt and pci device, and aborts the internal FCP
9627 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9629 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9630 "2826 PCI channel disable preparing for reset\n");
9632 /* Block any management I/Os to the device */
9633 lpfc_block_mgmt_io(phba
);
9635 /* Block all SCSI devices' I/Os on the host */
9636 lpfc_scsi_dev_block(phba
);
9638 /* stop all timers */
9639 lpfc_stop_hba_timers(phba
);
9641 /* Disable interrupt and pci device */
9642 lpfc_sli4_disable_intr(phba
);
9643 lpfc_sli4_queue_destroy(phba
);
9644 pci_disable_device(phba
->pcidev
);
9646 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9647 lpfc_sli_flush_fcp_rings(phba
);
9651 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9652 * @phba: pointer to lpfc hba data structure.
9654 * This routine is called to prepare the SLI4 device for PCI slot permanently
9655 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9659 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9662 "2827 PCI channel permanent disable for failure\n");
9664 /* Block all SCSI devices' I/Os on the host */
9665 lpfc_scsi_dev_block(phba
);
9667 /* stop all timers */
9668 lpfc_stop_hba_timers(phba
);
9670 /* Clean up all driver's outstanding SCSI I/Os */
9671 lpfc_sli_flush_fcp_rings(phba
);
9675 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9676 * @pdev: pointer to PCI device.
9677 * @state: the current PCI connection state.
9679 * This routine is called from the PCI subsystem for error handling to device
9680 * with SLI-4 interface spec. This function is called by the PCI subsystem
9681 * after a PCI bus error affecting this device has been detected. When this
9682 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9683 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9684 * for the PCI subsystem to perform proper recovery as desired.
9687 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9688 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9690 static pci_ers_result_t
9691 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9693 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9694 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9697 case pci_channel_io_normal
:
9698 /* Non-fatal error, prepare for recovery */
9699 lpfc_sli4_prep_dev_for_recover(phba
);
9700 return PCI_ERS_RESULT_CAN_RECOVER
;
9701 case pci_channel_io_frozen
:
9702 /* Fatal error, prepare for slot reset */
9703 lpfc_sli4_prep_dev_for_reset(phba
);
9704 return PCI_ERS_RESULT_NEED_RESET
;
9705 case pci_channel_io_perm_failure
:
9706 /* Permanent failure, prepare for device down */
9707 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9708 return PCI_ERS_RESULT_DISCONNECT
;
9710 /* Unknown state, prepare and request slot reset */
9711 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9712 "2825 Unknown PCI error state: x%x\n", state
);
9713 lpfc_sli4_prep_dev_for_reset(phba
);
9714 return PCI_ERS_RESULT_NEED_RESET
;
9719 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9720 * @pdev: pointer to PCI device.
9722 * This routine is called from the PCI subsystem for error handling to device
9723 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9724 * restart the PCI card from scratch, as if from a cold-boot. During the
9725 * PCI subsystem error recovery, after the driver returns
9726 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9727 * recovery and then call this routine before calling the .resume method to
9728 * recover the device. This function will initialize the HBA device, enable
9729 * the interrupt, but it will just put the HBA to offline state without
9730 * passing any I/O traffic.
9733 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9734 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9736 static pci_ers_result_t
9737 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9739 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9740 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9741 struct lpfc_sli
*psli
= &phba
->sli
;
9744 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9745 if (pci_enable_device_mem(pdev
)) {
9746 printk(KERN_ERR
"lpfc: Cannot re-enable "
9747 "PCI device after reset.\n");
9748 return PCI_ERS_RESULT_DISCONNECT
;
9751 pci_restore_state(pdev
);
9754 * As the new kernel behavior of pci_restore_state() API call clears
9755 * device saved_state flag, need to save the restored state again.
9757 pci_save_state(pdev
);
9759 if (pdev
->is_busmaster
)
9760 pci_set_master(pdev
);
9762 spin_lock_irq(&phba
->hbalock
);
9763 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9764 spin_unlock_irq(&phba
->hbalock
);
9766 /* Configure and enable interrupt */
9767 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9768 if (intr_mode
== LPFC_INTR_ERROR
) {
9769 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9770 "2824 Cannot re-enable interrupt after "
9772 return PCI_ERS_RESULT_DISCONNECT
;
9774 phba
->intr_mode
= intr_mode
;
9776 /* Log the current active interrupt mode */
9777 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9779 return PCI_ERS_RESULT_RECOVERED
;
9783 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
9784 * @pdev: pointer to PCI device
9786 * This routine is called from the PCI subsystem for error handling to device
9787 * with SLI-4 interface spec. It is called when kernel error recovery tells
9788 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9789 * error recovery. After this call, traffic can start to flow from this device
9793 lpfc_io_resume_s4(struct pci_dev
*pdev
)
9795 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9796 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9799 * In case of slot reset, as function reset is performed through
9800 * mailbox command which needs DMA to be enabled, this operation
9801 * has to be moved to the io resume phase. Taking device offline
9802 * will perform the necessary cleanup.
9804 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
9805 /* Perform device reset */
9806 lpfc_offline_prep(phba
);
9808 lpfc_sli_brdrestart(phba
);
9809 /* Bring the device back online */
9813 /* Clean up Advanced Error Reporting (AER) if needed */
9814 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9815 pci_cleanup_aer_uncorrect_error_status(pdev
);
9819 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
9820 * @pdev: pointer to PCI device
9821 * @pid: pointer to PCI device identifier
9823 * This routine is to be registered to the kernel's PCI subsystem. When an
9824 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
9825 * at PCI device-specific information of the device and driver to see if the
9826 * driver state that it can support this kind of device. If the match is
9827 * successful, the driver core invokes this routine. This routine dispatches
9828 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
9829 * do all the initialization that it needs to do to handle the HBA device
9833 * 0 - driver can claim the device
9834 * negative value - driver can not claim the device
9836 static int __devinit
9837 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9840 struct lpfc_sli_intf intf
;
9842 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
9845 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
9846 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
9847 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
9849 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
9855 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
9856 * @pdev: pointer to PCI device
9858 * This routine is to be registered to the kernel's PCI subsystem. When an
9859 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
9860 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
9861 * remove routine, which will perform all the necessary cleanup for the
9862 * device to be removed from the PCI subsystem properly.
9864 static void __devexit
9865 lpfc_pci_remove_one(struct pci_dev
*pdev
)
9867 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9868 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9870 switch (phba
->pci_dev_grp
) {
9871 case LPFC_PCI_DEV_LP
:
9872 lpfc_pci_remove_one_s3(pdev
);
9874 case LPFC_PCI_DEV_OC
:
9875 lpfc_pci_remove_one_s4(pdev
);
9878 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9879 "1424 Invalid PCI device group: 0x%x\n",
9887 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
9888 * @pdev: pointer to PCI device
9889 * @msg: power management message
9891 * This routine is to be registered to the kernel's PCI subsystem to support
9892 * system Power Management (PM). When PM invokes this method, it dispatches
9893 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
9894 * suspend the device.
9897 * 0 - driver suspended the device
9901 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
9903 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9904 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9907 switch (phba
->pci_dev_grp
) {
9908 case LPFC_PCI_DEV_LP
:
9909 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
9911 case LPFC_PCI_DEV_OC
:
9912 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
9915 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9916 "1425 Invalid PCI device group: 0x%x\n",
9924 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
9925 * @pdev: pointer to PCI device
9927 * This routine is to be registered to the kernel's PCI subsystem to support
9928 * system Power Management (PM). When PM invokes this method, it dispatches
9929 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
9930 * resume the device.
9933 * 0 - driver suspended the device
9937 lpfc_pci_resume_one(struct pci_dev
*pdev
)
9939 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9940 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9943 switch (phba
->pci_dev_grp
) {
9944 case LPFC_PCI_DEV_LP
:
9945 rc
= lpfc_pci_resume_one_s3(pdev
);
9947 case LPFC_PCI_DEV_OC
:
9948 rc
= lpfc_pci_resume_one_s4(pdev
);
9951 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9952 "1426 Invalid PCI device group: 0x%x\n",
9960 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
9961 * @pdev: pointer to PCI device.
9962 * @state: the current PCI connection state.
9964 * This routine is registered to the PCI subsystem for error handling. This
9965 * function is called by the PCI subsystem after a PCI bus error affecting
9966 * this device has been detected. When this routine is invoked, it dispatches
9967 * the action to the proper SLI-3 or SLI-4 device error detected handling
9968 * routine, which will perform the proper error detected operation.
9971 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9972 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9974 static pci_ers_result_t
9975 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
9977 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9978 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9979 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9981 switch (phba
->pci_dev_grp
) {
9982 case LPFC_PCI_DEV_LP
:
9983 rc
= lpfc_io_error_detected_s3(pdev
, state
);
9985 case LPFC_PCI_DEV_OC
:
9986 rc
= lpfc_io_error_detected_s4(pdev
, state
);
9989 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9990 "1427 Invalid PCI device group: 0x%x\n",
9998 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
9999 * @pdev: pointer to PCI device.
10001 * This routine is registered to the PCI subsystem for error handling. This
10002 * function is called after PCI bus has been reset to restart the PCI card
10003 * from scratch, as if from a cold-boot. When this routine is invoked, it
10004 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10005 * routine, which will perform the proper device reset.
10008 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10009 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10011 static pci_ers_result_t
10012 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10014 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10015 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10016 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10018 switch (phba
->pci_dev_grp
) {
10019 case LPFC_PCI_DEV_LP
:
10020 rc
= lpfc_io_slot_reset_s3(pdev
);
10022 case LPFC_PCI_DEV_OC
:
10023 rc
= lpfc_io_slot_reset_s4(pdev
);
10026 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10027 "1428 Invalid PCI device group: 0x%x\n",
10028 phba
->pci_dev_grp
);
10035 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10036 * @pdev: pointer to PCI device
10038 * This routine is registered to the PCI subsystem for error handling. It
10039 * is called when kernel error recovery tells the lpfc driver that it is
10040 * OK to resume normal PCI operation after PCI bus error recovery. When
10041 * this routine is invoked, it dispatches the action to the proper SLI-3
10042 * or SLI-4 device io_resume routine, which will resume the device operation.
10045 lpfc_io_resume(struct pci_dev
*pdev
)
10047 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10048 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10050 switch (phba
->pci_dev_grp
) {
10051 case LPFC_PCI_DEV_LP
:
10052 lpfc_io_resume_s3(pdev
);
10054 case LPFC_PCI_DEV_OC
:
10055 lpfc_io_resume_s4(pdev
);
10058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10059 "1429 Invalid PCI device group: 0x%x\n",
10060 phba
->pci_dev_grp
);
10067 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10068 * @inode: pointer to the inode representing the lpfcmgmt device
10069 * @filep: pointer to the file representing the open lpfcmgmt device
10071 * This routine puts a reference count on the lpfc module whenever the
10072 * character device is opened
10075 lpfc_mgmt_open(struct inode
*inode
, struct file
*filep
)
10077 try_module_get(THIS_MODULE
);
10082 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10083 * @inode: pointer to the inode representing the lpfcmgmt device
10084 * @filep: pointer to the file representing the open lpfcmgmt device
10086 * This routine removes a reference count from the lpfc module when the
10087 * character device is closed
10090 lpfc_mgmt_release(struct inode
*inode
, struct file
*filep
)
10092 module_put(THIS_MODULE
);
10096 static struct pci_device_id lpfc_id_table
[] = {
10097 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10098 PCI_ANY_ID
, PCI_ANY_ID
, },
10099 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10100 PCI_ANY_ID
, PCI_ANY_ID
, },
10101 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10102 PCI_ANY_ID
, PCI_ANY_ID
, },
10103 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10104 PCI_ANY_ID
, PCI_ANY_ID
, },
10105 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10106 PCI_ANY_ID
, PCI_ANY_ID
, },
10107 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10108 PCI_ANY_ID
, PCI_ANY_ID
, },
10109 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10110 PCI_ANY_ID
, PCI_ANY_ID
, },
10111 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10112 PCI_ANY_ID
, PCI_ANY_ID
, },
10113 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10114 PCI_ANY_ID
, PCI_ANY_ID
, },
10115 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10116 PCI_ANY_ID
, PCI_ANY_ID
, },
10117 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10118 PCI_ANY_ID
, PCI_ANY_ID
, },
10119 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10120 PCI_ANY_ID
, PCI_ANY_ID
, },
10121 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10122 PCI_ANY_ID
, PCI_ANY_ID
, },
10123 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10124 PCI_ANY_ID
, PCI_ANY_ID
, },
10125 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10126 PCI_ANY_ID
, PCI_ANY_ID
, },
10127 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10128 PCI_ANY_ID
, PCI_ANY_ID
, },
10129 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10130 PCI_ANY_ID
, PCI_ANY_ID
, },
10131 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10132 PCI_ANY_ID
, PCI_ANY_ID
, },
10133 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10134 PCI_ANY_ID
, PCI_ANY_ID
, },
10135 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10136 PCI_ANY_ID
, PCI_ANY_ID
, },
10137 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10138 PCI_ANY_ID
, PCI_ANY_ID
, },
10139 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10140 PCI_ANY_ID
, PCI_ANY_ID
, },
10141 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10142 PCI_ANY_ID
, PCI_ANY_ID
, },
10143 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10144 PCI_ANY_ID
, PCI_ANY_ID
, },
10145 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10146 PCI_ANY_ID
, PCI_ANY_ID
, },
10147 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10148 PCI_ANY_ID
, PCI_ANY_ID
, },
10149 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10150 PCI_ANY_ID
, PCI_ANY_ID
, },
10151 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10152 PCI_ANY_ID
, PCI_ANY_ID
, },
10153 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10154 PCI_ANY_ID
, PCI_ANY_ID
, },
10155 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10156 PCI_ANY_ID
, PCI_ANY_ID
, },
10157 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10158 PCI_ANY_ID
, PCI_ANY_ID
, },
10159 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10160 PCI_ANY_ID
, PCI_ANY_ID
, },
10161 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10162 PCI_ANY_ID
, PCI_ANY_ID
, },
10163 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10164 PCI_ANY_ID
, PCI_ANY_ID
, },
10165 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10166 PCI_ANY_ID
, PCI_ANY_ID
, },
10167 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10168 PCI_ANY_ID
, PCI_ANY_ID
, },
10169 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10170 PCI_ANY_ID
, PCI_ANY_ID
, },
10171 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10172 PCI_ANY_ID
, PCI_ANY_ID
, },
10173 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10174 PCI_ANY_ID
, PCI_ANY_ID
, },
10175 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10176 PCI_ANY_ID
, PCI_ANY_ID
, },
10177 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10178 PCI_ANY_ID
, PCI_ANY_ID
, },
10179 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10180 PCI_ANY_ID
, PCI_ANY_ID
, },
10181 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10182 PCI_ANY_ID
, PCI_ANY_ID
, },
10183 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10184 PCI_ANY_ID
, PCI_ANY_ID
, },
10185 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10186 PCI_ANY_ID
, PCI_ANY_ID
, },
10190 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10192 static struct pci_error_handlers lpfc_err_handler
= {
10193 .error_detected
= lpfc_io_error_detected
,
10194 .slot_reset
= lpfc_io_slot_reset
,
10195 .resume
= lpfc_io_resume
,
10198 static struct pci_driver lpfc_driver
= {
10199 .name
= LPFC_DRIVER_NAME
,
10200 .id_table
= lpfc_id_table
,
10201 .probe
= lpfc_pci_probe_one
,
10202 .remove
= __devexit_p(lpfc_pci_remove_one
),
10203 .suspend
= lpfc_pci_suspend_one
,
10204 .resume
= lpfc_pci_resume_one
,
10205 .err_handler
= &lpfc_err_handler
,
10208 static const struct file_operations lpfc_mgmt_fop
= {
10209 .open
= lpfc_mgmt_open
,
10210 .release
= lpfc_mgmt_release
,
10213 static struct miscdevice lpfc_mgmt_dev
= {
10214 .minor
= MISC_DYNAMIC_MINOR
,
10215 .name
= "lpfcmgmt",
10216 .fops
= &lpfc_mgmt_fop
,
10220 * lpfc_init - lpfc module initialization routine
10222 * This routine is to be invoked when the lpfc module is loaded into the
10223 * kernel. The special kernel macro module_init() is used to indicate the
10224 * role of this routine to the kernel as lpfc module entry point.
10228 * -ENOMEM - FC attach transport failed
10229 * all others - failed
10236 printk(LPFC_MODULE_DESC
"\n");
10237 printk(LPFC_COPYRIGHT
"\n");
10239 error
= misc_register(&lpfc_mgmt_dev
);
10241 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10242 "misc_register returned with status %d", error
);
10244 if (lpfc_enable_npiv
) {
10245 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10246 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10248 lpfc_transport_template
=
10249 fc_attach_transport(&lpfc_transport_functions
);
10250 if (lpfc_transport_template
== NULL
)
10252 if (lpfc_enable_npiv
) {
10253 lpfc_vport_transport_template
=
10254 fc_attach_transport(&lpfc_vport_transport_functions
);
10255 if (lpfc_vport_transport_template
== NULL
) {
10256 fc_release_transport(lpfc_transport_template
);
10260 error
= pci_register_driver(&lpfc_driver
);
10262 fc_release_transport(lpfc_transport_template
);
10263 if (lpfc_enable_npiv
)
10264 fc_release_transport(lpfc_vport_transport_template
);
10271 * lpfc_exit - lpfc module removal routine
10273 * This routine is invoked when the lpfc module is removed from the kernel.
10274 * The special kernel macro module_exit() is used to indicate the role of
10275 * this routine to the kernel as lpfc module exit point.
10280 misc_deregister(&lpfc_mgmt_dev
);
10281 pci_unregister_driver(&lpfc_driver
);
10282 fc_release_transport(lpfc_transport_template
);
10283 if (lpfc_enable_npiv
)
10284 fc_release_transport(lpfc_vport_transport_template
);
10285 if (_dump_buf_data
) {
10286 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10287 "_dump_buf_data at 0x%p\n",
10288 (1L << _dump_buf_data_order
), _dump_buf_data
);
10289 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10292 if (_dump_buf_dif
) {
10293 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10294 "_dump_buf_dif at 0x%p\n",
10295 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10296 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10300 module_init(lpfc_init
);
10301 module_exit(lpfc_exit
);
10302 MODULE_LICENSE("GPL");
10303 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10304 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10305 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);