1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_vport.h"
48 #include "lpfc_version.h"
51 unsigned long _dump_buf_data_order
;
53 unsigned long _dump_buf_dif_order
;
54 spinlock_t _dump_buf_lock
;
56 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
57 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
58 static int lpfc_sli4_queue_create(struct lpfc_hba
*);
59 static void lpfc_sli4_queue_destroy(struct lpfc_hba
*);
60 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
61 static int lpfc_setup_endian_order(struct lpfc_hba
*);
62 static int lpfc_sli4_read_config(struct lpfc_hba
*);
63 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
64 static void lpfc_free_sgl_list(struct lpfc_hba
*);
65 static int lpfc_init_sgl_list(struct lpfc_hba
*);
66 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
67 static void lpfc_free_active_sgl(struct lpfc_hba
*);
68 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
69 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
70 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
71 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
72 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
74 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
75 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
76 static DEFINE_IDR(lpfc_hba_index
);
79 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
80 * @phba: pointer to lpfc hba data structure.
82 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
83 * mailbox command. It retrieves the revision information from the HBA and
84 * collects the Vital Product Data (VPD) about the HBA for preparing the
85 * configuration of the HBA.
89 * -ERESTART - requests the SLI layer to reset the HBA and try again.
90 * Any other value - indicates an error.
93 lpfc_config_port_prep(struct lpfc_hba
*phba
)
95 lpfc_vpd_t
*vp
= &phba
->vpd
;
99 char *lpfc_vpd_data
= NULL
;
101 static char licensed
[56] =
102 "key unlock for use with gnu public licensed code only\0";
103 static int init_key
= 1;
105 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
107 phba
->link_state
= LPFC_HBA_ERROR
;
112 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
114 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
116 uint32_t *ptext
= (uint32_t *) licensed
;
118 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
119 *ptext
= cpu_to_be32(*ptext
);
123 lpfc_read_nv(phba
, pmb
);
124 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
125 sizeof (mb
->un
.varRDnvp
.rsvd3
));
126 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
129 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
131 if (rc
!= MBX_SUCCESS
) {
132 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
133 "0324 Config Port initialization "
134 "error, mbxCmd x%x READ_NVPARM, "
136 mb
->mbxCommand
, mb
->mbxStatus
);
137 mempool_free(pmb
, phba
->mbox_mem_pool
);
140 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
142 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
146 phba
->sli3_options
= 0x0;
148 /* Setup and issue mailbox READ REV command */
149 lpfc_read_rev(phba
, pmb
);
150 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
151 if (rc
!= MBX_SUCCESS
) {
152 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
153 "0439 Adapter failed to init, mbxCmd x%x "
154 "READ_REV, mbxStatus x%x\n",
155 mb
->mbxCommand
, mb
->mbxStatus
);
156 mempool_free( pmb
, phba
->mbox_mem_pool
);
162 * The value of rr must be 1 since the driver set the cv field to 1.
163 * This setting requires the FW to set all revision fields.
165 if (mb
->un
.varRdRev
.rr
== 0) {
167 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
168 "0440 Adapter failed to init, READ_REV has "
169 "missing revision information.\n");
170 mempool_free(pmb
, phba
->mbox_mem_pool
);
174 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
175 mempool_free(pmb
, phba
->mbox_mem_pool
);
179 /* Save information as VPD data */
181 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
182 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
183 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
184 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
185 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
186 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
187 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
188 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
189 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
190 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
191 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
192 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
193 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
194 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
195 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
197 /* If the sli feature level is less then 9, we must
198 * tear down all RPIs and VPIs on link down if NPIV
201 if (vp
->rev
.feaLevelHigh
< 9)
202 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
204 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
205 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
206 sizeof (phba
->RandomData
));
208 /* Get adapter VPD information */
209 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
214 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
215 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
217 if (rc
!= MBX_SUCCESS
) {
218 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
219 "0441 VPD not present on adapter, "
220 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
221 mb
->mbxCommand
, mb
->mbxStatus
);
222 mb
->un
.varDmp
.word_cnt
= 0;
224 /* dump mem may return a zero when finished or we got a
225 * mailbox error, either way we are done.
227 if (mb
->un
.varDmp
.word_cnt
== 0)
229 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
230 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
231 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
232 lpfc_vpd_data
+ offset
,
233 mb
->un
.varDmp
.word_cnt
);
234 offset
+= mb
->un
.varDmp
.word_cnt
;
235 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
236 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
238 kfree(lpfc_vpd_data
);
240 mempool_free(pmb
, phba
->mbox_mem_pool
);
245 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
246 * @phba: pointer to lpfc hba data structure.
247 * @pmboxq: pointer to the driver internal queue element for mailbox command.
249 * This is the completion handler for driver's configuring asynchronous event
250 * mailbox command to the device. If the mailbox command returns successfully,
251 * it will set internal async event support flag to 1; otherwise, it will
252 * set internal async event support flag to 0.
255 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
257 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
258 phba
->temp_sensor_support
= 1;
260 phba
->temp_sensor_support
= 0;
261 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
266 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
267 * @phba: pointer to lpfc hba data structure.
268 * @pmboxq: pointer to the driver internal queue element for mailbox command.
270 * This is the completion handler for dump mailbox command for getting
271 * wake up parameters. When this command complete, the response contain
272 * Option rom version of the HBA. This function translate the version number
273 * into a human readable string and store it in OptionROMVersion.
276 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
279 uint32_t prog_id_word
;
281 /* character array used for decoding dist type. */
282 char dist_char
[] = "nabx";
284 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
285 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
289 prg
= (struct prog_id
*) &prog_id_word
;
291 /* word 7 contain option rom version */
292 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
294 /* Decode the Option rom version word to a readable string */
296 dist
= dist_char
[prg
->dist
];
298 if ((prg
->dist
== 3) && (prg
->num
== 0))
299 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
300 prg
->ver
, prg
->rev
, prg
->lev
);
302 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
303 prg
->ver
, prg
->rev
, prg
->lev
,
305 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
310 * lpfc_config_port_post - Perform lpfc initialization after config port
311 * @phba: pointer to lpfc hba data structure.
313 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
314 * command call. It performs all internal resource and state setups on the
315 * port: post IOCB buffers, enable appropriate host interrupt attentions,
316 * ELS ring timers, etc.
320 * Any other value - error.
323 lpfc_config_port_post(struct lpfc_hba
*phba
)
325 struct lpfc_vport
*vport
= phba
->pport
;
326 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
329 struct lpfc_dmabuf
*mp
;
330 struct lpfc_sli
*psli
= &phba
->sli
;
331 uint32_t status
, timeout
;
335 spin_lock_irq(&phba
->hbalock
);
337 * If the Config port completed correctly the HBA is not
338 * over heated any more.
340 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
341 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
342 spin_unlock_irq(&phba
->hbalock
);
344 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
346 phba
->link_state
= LPFC_HBA_ERROR
;
351 /* Get login parameters for NID. */
352 lpfc_read_sparam(phba
, pmb
, 0);
354 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
355 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
356 "0448 Adapter failed init, mbxCmd x%x "
357 "READ_SPARM mbxStatus x%x\n",
358 mb
->mbxCommand
, mb
->mbxStatus
);
359 phba
->link_state
= LPFC_HBA_ERROR
;
360 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
361 mempool_free( pmb
, phba
->mbox_mem_pool
);
362 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
367 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
369 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
370 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
372 pmb
->context1
= NULL
;
374 if (phba
->cfg_soft_wwnn
)
375 u64_to_wwn(phba
->cfg_soft_wwnn
,
376 vport
->fc_sparam
.nodeName
.u
.wwn
);
377 if (phba
->cfg_soft_wwpn
)
378 u64_to_wwn(phba
->cfg_soft_wwpn
,
379 vport
->fc_sparam
.portName
.u
.wwn
);
380 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
381 sizeof (struct lpfc_name
));
382 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
383 sizeof (struct lpfc_name
));
385 /* Update the fc_host data structures with new wwn. */
386 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
387 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
388 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
390 /* If no serial number in VPD data, use low 6 bytes of WWNN */
391 /* This should be consolidated into parse_vpd ? - mr */
392 if (phba
->SerialNumber
[0] == 0) {
395 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
396 for (i
= 0; i
< 12; i
++) {
398 j
= ((status
& 0xf0) >> 4);
400 phba
->SerialNumber
[i
] =
401 (char)((uint8_t) 0x30 + (uint8_t) j
);
403 phba
->SerialNumber
[i
] =
404 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
408 phba
->SerialNumber
[i
] =
409 (char)((uint8_t) 0x30 + (uint8_t) j
);
411 phba
->SerialNumber
[i
] =
412 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
416 lpfc_read_config(phba
, pmb
);
418 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
419 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
420 "0453 Adapter failed to init, mbxCmd x%x "
421 "READ_CONFIG, mbxStatus x%x\n",
422 mb
->mbxCommand
, mb
->mbxStatus
);
423 phba
->link_state
= LPFC_HBA_ERROR
;
424 mempool_free( pmb
, phba
->mbox_mem_pool
);
428 /* Check if the port is disabled */
429 lpfc_sli_read_link_ste(phba
);
431 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
432 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
433 phba
->cfg_hba_queue_depth
=
434 (mb
->un
.varRdConfig
.max_xri
+ 1) -
435 lpfc_sli4_get_els_iocb_cnt(phba
);
437 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
439 /* Get the default values for Model Name and Description */
440 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
442 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
443 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
444 && !(phba
->lmt
& LMT_1Gb
))
445 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
446 && !(phba
->lmt
& LMT_2Gb
))
447 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
448 && !(phba
->lmt
& LMT_4Gb
))
449 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
450 && !(phba
->lmt
& LMT_8Gb
))
451 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
452 && !(phba
->lmt
& LMT_10Gb
))) {
453 /* Reset link speed to auto */
454 lpfc_printf_log(phba
, KERN_WARNING
, LOG_LINK_EVENT
,
455 "1302 Invalid speed for this board: "
456 "Reset link speed to auto: x%x\n",
457 phba
->cfg_link_speed
);
458 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
461 phba
->link_state
= LPFC_LINK_DOWN
;
463 /* Only process IOCBs on ELS ring till hba_state is READY */
464 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
465 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
466 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
467 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
468 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
469 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
471 /* Post receive buffers for desired rings */
472 if (phba
->sli_rev
!= 3)
473 lpfc_post_rcv_buf(phba
);
476 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
478 if (phba
->intr_type
== MSIX
) {
479 rc
= lpfc_config_msi(phba
, pmb
);
481 mempool_free(pmb
, phba
->mbox_mem_pool
);
484 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
485 if (rc
!= MBX_SUCCESS
) {
486 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
487 "0352 Config MSI mailbox command "
488 "failed, mbxCmd x%x, mbxStatus x%x\n",
489 pmb
->u
.mb
.mbxCommand
,
490 pmb
->u
.mb
.mbxStatus
);
491 mempool_free(pmb
, phba
->mbox_mem_pool
);
496 spin_lock_irq(&phba
->hbalock
);
497 /* Initialize ERATT handling flag */
498 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
500 /* Enable appropriate host interrupts */
501 status
= readl(phba
->HCregaddr
);
502 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
503 if (psli
->num_rings
> 0)
504 status
|= HC_R0INT_ENA
;
505 if (psli
->num_rings
> 1)
506 status
|= HC_R1INT_ENA
;
507 if (psli
->num_rings
> 2)
508 status
|= HC_R2INT_ENA
;
509 if (psli
->num_rings
> 3)
510 status
|= HC_R3INT_ENA
;
512 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
513 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
514 status
&= ~(HC_R0INT_ENA
);
516 writel(status
, phba
->HCregaddr
);
517 readl(phba
->HCregaddr
); /* flush */
518 spin_unlock_irq(&phba
->hbalock
);
520 /* Set up ring-0 (ELS) timer */
521 timeout
= phba
->fc_ratov
* 2;
522 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
523 /* Set up heart beat (HB) timer */
524 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
525 phba
->hb_outstanding
= 0;
526 phba
->last_completion_time
= jiffies
;
527 /* Set up error attention (ERATT) polling timer */
528 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
530 if (phba
->hba_flag
& LINK_DISABLED
) {
531 lpfc_printf_log(phba
,
533 "2598 Adapter Link is disabled.\n");
534 lpfc_down_link(phba
, pmb
);
535 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
536 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
537 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
538 lpfc_printf_log(phba
,
540 "2599 Adapter failed to issue DOWN_LINK"
541 " mbox command rc 0x%x\n", rc
);
543 mempool_free(pmb
, phba
->mbox_mem_pool
);
547 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
,
548 phba
->cfg_link_speed
);
549 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
550 lpfc_set_loopback_flag(phba
);
551 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
552 if (rc
!= MBX_SUCCESS
) {
553 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
554 "0454 Adapter failed to init, mbxCmd x%x "
555 "INIT_LINK, mbxStatus x%x\n",
556 mb
->mbxCommand
, mb
->mbxStatus
);
558 /* Clear all interrupt enable conditions */
559 writel(0, phba
->HCregaddr
);
560 readl(phba
->HCregaddr
); /* flush */
561 /* Clear all pending interrupts */
562 writel(0xffffffff, phba
->HAregaddr
);
563 readl(phba
->HAregaddr
); /* flush */
565 phba
->link_state
= LPFC_HBA_ERROR
;
567 mempool_free(pmb
, phba
->mbox_mem_pool
);
571 /* MBOX buffer will be freed in mbox compl */
572 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
573 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
574 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
575 pmb
->vport
= phba
->pport
;
576 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
578 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
579 lpfc_printf_log(phba
,
582 "0456 Adapter failed to issue "
583 "ASYNCEVT_ENABLE mbox status x%x \n.",
585 mempool_free(pmb
, phba
->mbox_mem_pool
);
588 /* Get Option rom version */
589 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
590 lpfc_dump_wakeup_param(phba
, pmb
);
591 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
592 pmb
->vport
= phba
->pport
;
593 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
595 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
596 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
597 "to get Option ROM version status x%x\n.", rc
);
598 mempool_free(pmb
, phba
->mbox_mem_pool
);
605 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
606 * @phba: pointer to lpfc HBA data structure.
608 * This routine will do LPFC uninitialization before the HBA is reset when
609 * bringing down the SLI Layer.
613 * Any other value - error.
616 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
618 struct lpfc_vport
**vports
;
621 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
622 /* Disable interrupts */
623 writel(0, phba
->HCregaddr
);
624 readl(phba
->HCregaddr
); /* flush */
627 if (phba
->pport
->load_flag
& FC_UNLOADING
)
628 lpfc_cleanup_discovery_resources(phba
->pport
);
630 vports
= lpfc_create_vport_work_array(phba
);
632 for (i
= 0; i
<= phba
->max_vports
&&
633 vports
[i
] != NULL
; i
++)
634 lpfc_cleanup_discovery_resources(vports
[i
]);
635 lpfc_destroy_vport_work_array(phba
, vports
);
641 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
642 * @phba: pointer to lpfc HBA data structure.
644 * This routine will do uninitialization after the HBA is reset when bring
645 * down the SLI Layer.
649 * Any other value - error.
652 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
654 struct lpfc_sli
*psli
= &phba
->sli
;
655 struct lpfc_sli_ring
*pring
;
656 struct lpfc_dmabuf
*mp
, *next_mp
;
657 LIST_HEAD(completions
);
660 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
661 lpfc_sli_hbqbuf_free_all(phba
);
663 /* Cleanup preposted buffers on the ELS ring */
664 pring
= &psli
->ring
[LPFC_ELS_RING
];
665 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
667 pring
->postbufq_cnt
--;
668 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
673 spin_lock_irq(&phba
->hbalock
);
674 for (i
= 0; i
< psli
->num_rings
; i
++) {
675 pring
= &psli
->ring
[i
];
677 /* At this point in time the HBA is either reset or DOA. Either
678 * way, nothing should be on txcmplq as it will NEVER complete.
680 list_splice_init(&pring
->txcmplq
, &completions
);
681 pring
->txcmplq_cnt
= 0;
682 spin_unlock_irq(&phba
->hbalock
);
684 /* Cancel all the IOCBs from the completions list */
685 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
688 lpfc_sli_abort_iocb_ring(phba
, pring
);
689 spin_lock_irq(&phba
->hbalock
);
691 spin_unlock_irq(&phba
->hbalock
);
696 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
697 * @phba: pointer to lpfc HBA data structure.
699 * This routine will do uninitialization after the HBA is reset when bring
700 * down the SLI Layer.
704 * Any other value - error.
707 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
709 struct lpfc_scsi_buf
*psb
, *psb_next
;
712 unsigned long iflag
= 0;
713 ret
= lpfc_hba_down_post_s3(phba
);
716 /* At this point in time the HBA is either reset or DOA. Either
717 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
718 * on the lpfc_sgl_list so that it can either be freed if the
719 * driver is unloading or reposted if the driver is restarting
722 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
724 /* abts_sgl_list_lock required because worker thread uses this
727 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
728 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
729 &phba
->sli4_hba
.lpfc_sgl_list
);
730 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
731 /* abts_scsi_buf_list_lock required because worker thread uses this
734 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
735 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
737 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
738 spin_unlock_irq(&phba
->hbalock
);
740 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
742 psb
->status
= IOSTAT_SUCCESS
;
744 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
745 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
746 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
751 * lpfc_hba_down_post - Wrapper func for hba down post routine
752 * @phba: pointer to lpfc HBA data structure.
754 * This routine wraps the actual SLI3 or SLI4 routine for performing
755 * uninitialization after the HBA is reset when bring down the SLI Layer.
759 * Any other value - error.
762 lpfc_hba_down_post(struct lpfc_hba
*phba
)
764 return (*phba
->lpfc_hba_down_post
)(phba
);
768 * lpfc_hb_timeout - The HBA-timer timeout handler
769 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
771 * This is the HBA-timer timeout handler registered to the lpfc driver. When
772 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
773 * work-port-events bitmap and the worker thread is notified. This timeout
774 * event will be used by the worker thread to invoke the actual timeout
775 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
776 * be performed in the timeout handler and the HBA timeout event bit shall
777 * be cleared by the worker thread after it has taken the event bitmap out.
780 lpfc_hb_timeout(unsigned long ptr
)
782 struct lpfc_hba
*phba
;
786 phba
= (struct lpfc_hba
*)ptr
;
788 /* Check for heart beat timeout conditions */
789 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
790 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
792 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
793 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
795 /* Tell the worker thread there is work to do */
797 lpfc_worker_wake_up(phba
);
802 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
803 * @phba: pointer to lpfc hba data structure.
804 * @pmboxq: pointer to the driver internal queue element for mailbox command.
806 * This is the callback function to the lpfc heart-beat mailbox command.
807 * If configured, the lpfc driver issues the heart-beat mailbox command to
808 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
809 * heart-beat mailbox command is issued, the driver shall set up heart-beat
810 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
811 * heart-beat outstanding state. Once the mailbox command comes back and
812 * no error conditions detected, the heart-beat mailbox command timer is
813 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
814 * state is cleared for the next heart-beat. If the timer expired with the
815 * heart-beat outstanding state set, the driver will put the HBA offline.
818 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
820 unsigned long drvr_flag
;
822 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
823 phba
->hb_outstanding
= 0;
824 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
826 /* Check and reset heart-beat timer is necessary */
827 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
828 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
829 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
830 !(phba
->pport
->load_flag
& FC_UNLOADING
))
831 mod_timer(&phba
->hb_tmofunc
,
832 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
837 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
838 * @phba: pointer to lpfc hba data structure.
840 * This is the actual HBA-timer timeout handler to be invoked by the worker
841 * thread whenever the HBA timer fired and HBA-timeout event posted. This
842 * handler performs any periodic operations needed for the device. If such
843 * periodic event has already been attended to either in the interrupt handler
844 * or by processing slow-ring or fast-ring events within the HBA-timer
845 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
846 * the timer for the next timeout period. If lpfc heart-beat mailbox command
847 * is configured and there is no heart-beat mailbox command outstanding, a
848 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
849 * has been a heart-beat mailbox command outstanding, the HBA shall be put
853 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
855 LPFC_MBOXQ_t
*pmboxq
;
856 struct lpfc_dmabuf
*buf_ptr
;
858 struct lpfc_sli
*psli
= &phba
->sli
;
859 LIST_HEAD(completions
);
861 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
862 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
863 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
866 spin_lock_irq(&phba
->pport
->work_port_lock
);
868 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
870 spin_unlock_irq(&phba
->pport
->work_port_lock
);
871 if (!phba
->hb_outstanding
)
872 mod_timer(&phba
->hb_tmofunc
,
873 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
875 mod_timer(&phba
->hb_tmofunc
,
876 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
879 spin_unlock_irq(&phba
->pport
->work_port_lock
);
881 if (phba
->elsbuf_cnt
&&
882 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
883 spin_lock_irq(&phba
->hbalock
);
884 list_splice_init(&phba
->elsbuf
, &completions
);
885 phba
->elsbuf_cnt
= 0;
886 phba
->elsbuf_prev_cnt
= 0;
887 spin_unlock_irq(&phba
->hbalock
);
889 while (!list_empty(&completions
)) {
890 list_remove_head(&completions
, buf_ptr
,
891 struct lpfc_dmabuf
, list
);
892 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
896 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
898 /* If there is no heart beat outstanding, issue a heartbeat command */
899 if (phba
->cfg_enable_hba_heartbeat
) {
900 if (!phba
->hb_outstanding
) {
901 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
903 mod_timer(&phba
->hb_tmofunc
,
904 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
908 lpfc_heart_beat(phba
, pmboxq
);
909 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
910 pmboxq
->vport
= phba
->pport
;
911 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
913 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
914 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
915 mod_timer(&phba
->hb_tmofunc
,
916 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
919 mod_timer(&phba
->hb_tmofunc
,
920 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
921 phba
->hb_outstanding
= 1;
925 * If heart beat timeout called with hb_outstanding set
926 * we need to take the HBA offline.
928 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
929 "0459 Adapter heartbeat failure, "
930 "taking this port offline.\n");
932 spin_lock_irq(&phba
->hbalock
);
933 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
934 spin_unlock_irq(&phba
->hbalock
);
936 lpfc_offline_prep(phba
);
938 lpfc_unblock_mgmt_io(phba
);
939 phba
->link_state
= LPFC_HBA_ERROR
;
940 lpfc_hba_down_post(phba
);
946 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
947 * @phba: pointer to lpfc hba data structure.
949 * This routine is called to bring the HBA offline when HBA hardware error
950 * other than Port Error 6 has been detected.
953 lpfc_offline_eratt(struct lpfc_hba
*phba
)
955 struct lpfc_sli
*psli
= &phba
->sli
;
957 spin_lock_irq(&phba
->hbalock
);
958 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
959 spin_unlock_irq(&phba
->hbalock
);
960 lpfc_offline_prep(phba
);
963 lpfc_reset_barrier(phba
);
964 spin_lock_irq(&phba
->hbalock
);
965 lpfc_sli_brdreset(phba
);
966 spin_unlock_irq(&phba
->hbalock
);
967 lpfc_hba_down_post(phba
);
968 lpfc_sli_brdready(phba
, HS_MBRDY
);
969 lpfc_unblock_mgmt_io(phba
);
970 phba
->link_state
= LPFC_HBA_ERROR
;
975 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
976 * @phba: pointer to lpfc hba data structure.
978 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
979 * other than Port Error 6 has been detected.
982 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
984 lpfc_offline_prep(phba
);
986 lpfc_sli4_brdreset(phba
);
987 lpfc_hba_down_post(phba
);
988 lpfc_sli4_post_status_check(phba
);
989 lpfc_unblock_mgmt_io(phba
);
990 phba
->link_state
= LPFC_HBA_ERROR
;
994 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
995 * @phba: pointer to lpfc hba data structure.
997 * This routine is invoked to handle the deferred HBA hardware error
998 * conditions. This type of error is indicated by HBA by setting ER1
999 * and another ER bit in the host status register. The driver will
1000 * wait until the ER1 bit clears before handling the error condition.
1003 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1005 uint32_t old_host_status
= phba
->work_hs
;
1006 struct lpfc_sli_ring
*pring
;
1007 struct lpfc_sli
*psli
= &phba
->sli
;
1009 /* If the pci channel is offline, ignore possible errors,
1010 * since we cannot communicate with the pci card anyway.
1012 if (pci_channel_offline(phba
->pcidev
)) {
1013 spin_lock_irq(&phba
->hbalock
);
1014 phba
->hba_flag
&= ~DEFER_ERATT
;
1015 spin_unlock_irq(&phba
->hbalock
);
1019 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1020 "0479 Deferred Adapter Hardware Error "
1021 "Data: x%x x%x x%x\n",
1023 phba
->work_status
[0], phba
->work_status
[1]);
1025 spin_lock_irq(&phba
->hbalock
);
1026 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1027 spin_unlock_irq(&phba
->hbalock
);
1031 * Firmware stops when it triggred erratt. That could cause the I/Os
1032 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1033 * SCSI layer retry it after re-establishing link.
1035 pring
= &psli
->ring
[psli
->fcp_ring
];
1036 lpfc_sli_abort_iocb_ring(phba
, pring
);
1039 * There was a firmware error. Take the hba offline and then
1040 * attempt to restart it.
1042 lpfc_offline_prep(phba
);
1045 /* Wait for the ER1 bit to clear.*/
1046 while (phba
->work_hs
& HS_FFER1
) {
1048 phba
->work_hs
= readl(phba
->HSregaddr
);
1049 /* If driver is unloading let the worker thread continue */
1050 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1057 * This is to ptrotect against a race condition in which
1058 * first write to the host attention register clear the
1059 * host status register.
1061 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1062 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1064 spin_lock_irq(&phba
->hbalock
);
1065 phba
->hba_flag
&= ~DEFER_ERATT
;
1066 spin_unlock_irq(&phba
->hbalock
);
1067 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1068 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1072 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1074 struct lpfc_board_event_header board_event
;
1075 struct Scsi_Host
*shost
;
1077 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1078 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1079 shost
= lpfc_shost_from_vport(phba
->pport
);
1080 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1081 sizeof(board_event
),
1082 (char *) &board_event
,
1087 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1088 * @phba: pointer to lpfc hba data structure.
1090 * This routine is invoked to handle the following HBA hardware error
1092 * 1 - HBA error attention interrupt
1093 * 2 - DMA ring index out of range
1094 * 3 - Mailbox command came back as unknown
1097 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1099 struct lpfc_vport
*vport
= phba
->pport
;
1100 struct lpfc_sli
*psli
= &phba
->sli
;
1101 struct lpfc_sli_ring
*pring
;
1102 uint32_t event_data
;
1103 unsigned long temperature
;
1104 struct temp_event temp_event_data
;
1105 struct Scsi_Host
*shost
;
1107 /* If the pci channel is offline, ignore possible errors,
1108 * since we cannot communicate with the pci card anyway.
1110 if (pci_channel_offline(phba
->pcidev
)) {
1111 spin_lock_irq(&phba
->hbalock
);
1112 phba
->hba_flag
&= ~DEFER_ERATT
;
1113 spin_unlock_irq(&phba
->hbalock
);
1117 /* If resets are disabled then leave the HBA alone and return */
1118 if (!phba
->cfg_enable_hba_reset
)
1121 /* Send an internal error event to mgmt application */
1122 lpfc_board_errevt_to_mgmt(phba
);
1124 if (phba
->hba_flag
& DEFER_ERATT
)
1125 lpfc_handle_deferred_eratt(phba
);
1127 if (phba
->work_hs
& HS_FFER6
) {
1128 /* Re-establishing Link */
1129 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1130 "1301 Re-establishing Link "
1131 "Data: x%x x%x x%x\n",
1133 phba
->work_status
[0], phba
->work_status
[1]);
1135 spin_lock_irq(&phba
->hbalock
);
1136 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1137 spin_unlock_irq(&phba
->hbalock
);
1140 * Firmware stops when it triggled erratt with HS_FFER6.
1141 * That could cause the I/Os dropped by the firmware.
1142 * Error iocb (I/O) on txcmplq and let the SCSI layer
1143 * retry it after re-establishing link.
1145 pring
= &psli
->ring
[psli
->fcp_ring
];
1146 lpfc_sli_abort_iocb_ring(phba
, pring
);
1149 * There was a firmware error. Take the hba offline and then
1150 * attempt to restart it.
1152 lpfc_offline_prep(phba
);
1154 lpfc_sli_brdrestart(phba
);
1155 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1156 lpfc_unblock_mgmt_io(phba
);
1159 lpfc_unblock_mgmt_io(phba
);
1160 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1161 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1162 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1163 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1164 temp_event_data
.data
= (uint32_t)temperature
;
1166 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1167 "0406 Adapter maximum temperature exceeded "
1168 "(%ld), taking this port offline "
1169 "Data: x%x x%x x%x\n",
1170 temperature
, phba
->work_hs
,
1171 phba
->work_status
[0], phba
->work_status
[1]);
1173 shost
= lpfc_shost_from_vport(phba
->pport
);
1174 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1175 sizeof(temp_event_data
),
1176 (char *) &temp_event_data
,
1177 SCSI_NL_VID_TYPE_PCI
1178 | PCI_VENDOR_ID_EMULEX
);
1180 spin_lock_irq(&phba
->hbalock
);
1181 phba
->over_temp_state
= HBA_OVER_TEMP
;
1182 spin_unlock_irq(&phba
->hbalock
);
1183 lpfc_offline_eratt(phba
);
1186 /* The if clause above forces this code path when the status
1187 * failure is a value other than FFER6. Do not call the offline
1188 * twice. This is the adapter hardware error path.
1190 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1191 "0457 Adapter Hardware Error "
1192 "Data: x%x x%x x%x\n",
1194 phba
->work_status
[0], phba
->work_status
[1]);
1196 event_data
= FC_REG_DUMP_EVENT
;
1197 shost
= lpfc_shost_from_vport(vport
);
1198 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1199 sizeof(event_data
), (char *) &event_data
,
1200 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1202 lpfc_offline_eratt(phba
);
1208 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the SLI4 HBA hardware error attention
1215 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1217 struct lpfc_vport
*vport
= phba
->pport
;
1218 uint32_t event_data
;
1219 struct Scsi_Host
*shost
;
1221 /* If the pci channel is offline, ignore possible errors, since
1222 * we cannot communicate with the pci card anyway.
1224 if (pci_channel_offline(phba
->pcidev
))
1226 /* If resets are disabled then leave the HBA alone and return */
1227 if (!phba
->cfg_enable_hba_reset
)
1230 /* Send an internal error event to mgmt application */
1231 lpfc_board_errevt_to_mgmt(phba
);
1233 /* For now, the actual action for SLI4 device handling is not
1234 * specified yet, just treated it as adaptor hardware failure
1236 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1237 "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
1238 phba
->work_status
[0], phba
->work_status
[1]);
1240 event_data
= FC_REG_DUMP_EVENT
;
1241 shost
= lpfc_shost_from_vport(vport
);
1242 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1243 sizeof(event_data
), (char *) &event_data
,
1244 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1246 lpfc_sli4_offline_eratt(phba
);
1250 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1251 * @phba: pointer to lpfc HBA data structure.
1253 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1254 * routine from the API jump table function pointer from the lpfc_hba struct.
1258 * Any other value - error.
1261 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1263 (*phba
->lpfc_handle_eratt
)(phba
);
1267 * lpfc_handle_latt - The HBA link event handler
1268 * @phba: pointer to lpfc hba data structure.
1270 * This routine is invoked from the worker thread to handle a HBA host
1271 * attention link event.
1274 lpfc_handle_latt(struct lpfc_hba
*phba
)
1276 struct lpfc_vport
*vport
= phba
->pport
;
1277 struct lpfc_sli
*psli
= &phba
->sli
;
1279 volatile uint32_t control
;
1280 struct lpfc_dmabuf
*mp
;
1283 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1286 goto lpfc_handle_latt_err_exit
;
1289 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1292 goto lpfc_handle_latt_free_pmb
;
1295 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1298 goto lpfc_handle_latt_free_mp
;
1301 /* Cleanup any outstanding ELS commands */
1302 lpfc_els_flush_all_cmd(phba
);
1304 psli
->slistat
.link_event
++;
1305 lpfc_read_la(phba
, pmb
, mp
);
1306 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
1308 /* Block ELS IOCBs until we have processed this mbox command */
1309 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1310 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1311 if (rc
== MBX_NOT_FINISHED
) {
1313 goto lpfc_handle_latt_free_mbuf
;
1316 /* Clear Link Attention in HA REG */
1317 spin_lock_irq(&phba
->hbalock
);
1318 writel(HA_LATT
, phba
->HAregaddr
);
1319 readl(phba
->HAregaddr
); /* flush */
1320 spin_unlock_irq(&phba
->hbalock
);
1324 lpfc_handle_latt_free_mbuf
:
1325 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1326 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1327 lpfc_handle_latt_free_mp
:
1329 lpfc_handle_latt_free_pmb
:
1330 mempool_free(pmb
, phba
->mbox_mem_pool
);
1331 lpfc_handle_latt_err_exit
:
1332 /* Enable Link attention interrupts */
1333 spin_lock_irq(&phba
->hbalock
);
1334 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1335 control
= readl(phba
->HCregaddr
);
1336 control
|= HC_LAINT_ENA
;
1337 writel(control
, phba
->HCregaddr
);
1338 readl(phba
->HCregaddr
); /* flush */
1340 /* Clear Link Attention in HA REG */
1341 writel(HA_LATT
, phba
->HAregaddr
);
1342 readl(phba
->HAregaddr
); /* flush */
1343 spin_unlock_irq(&phba
->hbalock
);
1344 lpfc_linkdown(phba
);
1345 phba
->link_state
= LPFC_HBA_ERROR
;
1347 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1348 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1354 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1355 * @phba: pointer to lpfc hba data structure.
1356 * @vpd: pointer to the vital product data.
1357 * @len: length of the vital product data in bytes.
1359 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1360 * an array of characters. In this routine, the ModelName, ProgramType, and
1361 * ModelDesc, etc. fields of the phba data structure will be populated.
1364 * 0 - pointer to the VPD passed in is NULL
1368 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1370 uint8_t lenlo
, lenhi
;
1380 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1381 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1382 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1384 while (!finished
&& (index
< (len
- 4))) {
1385 switch (vpd
[index
]) {
1393 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1402 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1403 if (Length
> len
- index
)
1404 Length
= len
- index
;
1405 while (Length
> 0) {
1406 /* Look for Serial Number */
1407 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1414 phba
->SerialNumber
[j
++] = vpd
[index
++];
1418 phba
->SerialNumber
[j
] = 0;
1421 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1422 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1429 phba
->ModelDesc
[j
++] = vpd
[index
++];
1433 phba
->ModelDesc
[j
] = 0;
1436 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1437 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1444 phba
->ModelName
[j
++] = vpd
[index
++];
1448 phba
->ModelName
[j
] = 0;
1451 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1452 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1459 phba
->ProgramType
[j
++] = vpd
[index
++];
1463 phba
->ProgramType
[j
] = 0;
1466 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1467 phba
->vpd_flag
|= VPD_PORT
;
1474 phba
->Port
[j
++] = vpd
[index
++];
1504 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1505 * @phba: pointer to lpfc hba data structure.
1506 * @mdp: pointer to the data structure to hold the derived model name.
1507 * @descp: pointer to the data structure to hold the derived description.
1509 * This routine retrieves HBA's description based on its registered PCI device
1510 * ID. The @descp passed into this function points to an array of 256 chars. It
1511 * shall be returned with the model name, maximum speed, and the host bus type.
1512 * The @mdp passed into this function points to an array of 80 chars. When the
1513 * function returns, the @mdp will be filled with the model name.
1516 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1519 uint16_t dev_id
= phba
->pcidev
->device
;
1522 int oneConnect
= 0; /* default is not a oneConnect */
1527 } m
= {"<Unknown>", 0, ""};
1529 if (mdp
&& mdp
[0] != '\0'
1530 && descp
&& descp
[0] != '\0')
1533 if (phba
->lmt
& LMT_10Gb
)
1535 else if (phba
->lmt
& LMT_8Gb
)
1537 else if (phba
->lmt
& LMT_4Gb
)
1539 else if (phba
->lmt
& LMT_2Gb
)
1547 case PCI_DEVICE_ID_FIREFLY
:
1548 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
1550 case PCI_DEVICE_ID_SUPERFLY
:
1551 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1552 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1554 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1556 case PCI_DEVICE_ID_DRAGONFLY
:
1557 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1559 case PCI_DEVICE_ID_CENTAUR
:
1560 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1561 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1563 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1565 case PCI_DEVICE_ID_RFLY
:
1566 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1568 case PCI_DEVICE_ID_PEGASUS
:
1569 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1571 case PCI_DEVICE_ID_THOR
:
1572 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1574 case PCI_DEVICE_ID_VIPER
:
1575 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1577 case PCI_DEVICE_ID_PFLY
:
1578 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1580 case PCI_DEVICE_ID_TFLY
:
1581 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1583 case PCI_DEVICE_ID_HELIOS
:
1584 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1586 case PCI_DEVICE_ID_HELIOS_SCSP
:
1587 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1589 case PCI_DEVICE_ID_HELIOS_DCSP
:
1590 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1592 case PCI_DEVICE_ID_NEPTUNE
:
1593 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1595 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1596 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1598 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1599 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1601 case PCI_DEVICE_ID_BMID
:
1602 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1604 case PCI_DEVICE_ID_BSMB
:
1605 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1607 case PCI_DEVICE_ID_ZEPHYR
:
1608 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1610 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1611 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1613 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1614 m
= (typeof(m
)){"LP2105", max_speed
, "PCIe"};
1617 case PCI_DEVICE_ID_ZMID
:
1618 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1620 case PCI_DEVICE_ID_ZSMB
:
1621 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1623 case PCI_DEVICE_ID_LP101
:
1624 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1626 case PCI_DEVICE_ID_LP10000S
:
1627 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1629 case PCI_DEVICE_ID_LP11000S
:
1630 m
= (typeof(m
)){"LP11000-S", max_speed
,
1633 case PCI_DEVICE_ID_LPE11000S
:
1634 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1637 case PCI_DEVICE_ID_SAT
:
1638 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1640 case PCI_DEVICE_ID_SAT_MID
:
1641 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1643 case PCI_DEVICE_ID_SAT_SMB
:
1644 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1646 case PCI_DEVICE_ID_SAT_DCSP
:
1647 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1649 case PCI_DEVICE_ID_SAT_SCSP
:
1650 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1652 case PCI_DEVICE_ID_SAT_S
:
1653 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1655 case PCI_DEVICE_ID_HORNET
:
1656 m
= (typeof(m
)){"LP21000", max_speed
, "PCIe"};
1659 case PCI_DEVICE_ID_PROTEUS_VF
:
1660 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1662 case PCI_DEVICE_ID_PROTEUS_PF
:
1663 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1665 case PCI_DEVICE_ID_PROTEUS_S
:
1666 m
= (typeof(m
)) {"LPemv12002-S", max_speed
, "PCIe IOV"};
1668 case PCI_DEVICE_ID_TIGERSHARK
:
1670 m
= (typeof(m
)) {"OCe10100-F", max_speed
, "PCIe"};
1673 m
= (typeof(m
)){ NULL
};
1677 if (mdp
&& mdp
[0] == '\0')
1678 snprintf(mdp
, 79,"%s", m
.name
);
1679 /* oneConnect hba requires special processing, they are all initiators
1680 * and we put the port number on the end
1682 if (descp
&& descp
[0] == '\0') {
1684 snprintf(descp
, 255,
1685 "Emulex OneConnect %s, FCoE Initiator, Port %s",
1689 snprintf(descp
, 255,
1690 "Emulex %s %d%s %s %s",
1691 m
.name
, m
.max_speed
,
1694 (GE
) ? "FCoE Adapter" :
1695 "Fibre Channel Adapter");
1700 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1701 * @phba: pointer to lpfc hba data structure.
1702 * @pring: pointer to a IOCB ring.
1703 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1705 * This routine posts a given number of IOCBs with the associated DMA buffer
1706 * descriptors specified by the cnt argument to the given IOCB ring.
1709 * The number of IOCBs NOT able to be posted to the IOCB ring.
1712 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
1715 struct lpfc_iocbq
*iocb
;
1716 struct lpfc_dmabuf
*mp1
, *mp2
;
1718 cnt
+= pring
->missbufcnt
;
1720 /* While there are buffers to post */
1722 /* Allocate buffer for command iocb */
1723 iocb
= lpfc_sli_get_iocbq(phba
);
1725 pring
->missbufcnt
= cnt
;
1730 /* 2 buffers can be posted per command */
1731 /* Allocate buffer to post */
1732 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1734 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1735 if (!mp1
|| !mp1
->virt
) {
1737 lpfc_sli_release_iocbq(phba
, iocb
);
1738 pring
->missbufcnt
= cnt
;
1742 INIT_LIST_HEAD(&mp1
->list
);
1743 /* Allocate buffer to post */
1745 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1747 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1749 if (!mp2
|| !mp2
->virt
) {
1751 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1753 lpfc_sli_release_iocbq(phba
, iocb
);
1754 pring
->missbufcnt
= cnt
;
1758 INIT_LIST_HEAD(&mp2
->list
);
1763 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1764 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1765 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1766 icmd
->ulpBdeCount
= 1;
1769 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1770 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1771 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1773 icmd
->ulpBdeCount
= 2;
1776 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1779 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
1781 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1785 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1789 lpfc_sli_release_iocbq(phba
, iocb
);
1790 pring
->missbufcnt
= cnt
;
1793 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1795 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1797 pring
->missbufcnt
= 0;
1802 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1803 * @phba: pointer to lpfc hba data structure.
1805 * This routine posts initial receive IOCB buffers to the ELS ring. The
1806 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1810 * 0 - success (currently always success)
1813 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1815 struct lpfc_sli
*psli
= &phba
->sli
;
1817 /* Ring 0, ELS / CT buffers */
1818 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
1819 /* Ring 2 - FCP no buffers needed */
1824 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1827 * lpfc_sha_init - Set up initial array of hash table entries
1828 * @HashResultPointer: pointer to an array as hash table.
1830 * This routine sets up the initial values to the array of hash table entries
1834 lpfc_sha_init(uint32_t * HashResultPointer
)
1836 HashResultPointer
[0] = 0x67452301;
1837 HashResultPointer
[1] = 0xEFCDAB89;
1838 HashResultPointer
[2] = 0x98BADCFE;
1839 HashResultPointer
[3] = 0x10325476;
1840 HashResultPointer
[4] = 0xC3D2E1F0;
1844 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1845 * @HashResultPointer: pointer to an initial/result hash table.
1846 * @HashWorkingPointer: pointer to an working hash table.
1848 * This routine iterates an initial hash table pointed by @HashResultPointer
1849 * with the values from the working hash table pointeed by @HashWorkingPointer.
1850 * The results are putting back to the initial hash table, returned through
1851 * the @HashResultPointer as the result hash table.
1854 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1858 uint32_t A
, B
, C
, D
, E
;
1861 HashWorkingPointer
[t
] =
1863 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1865 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1866 } while (++t
<= 79);
1868 A
= HashResultPointer
[0];
1869 B
= HashResultPointer
[1];
1870 C
= HashResultPointer
[2];
1871 D
= HashResultPointer
[3];
1872 E
= HashResultPointer
[4];
1876 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1877 } else if (t
< 40) {
1878 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1879 } else if (t
< 60) {
1880 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1882 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1884 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1890 } while (++t
<= 79);
1892 HashResultPointer
[0] += A
;
1893 HashResultPointer
[1] += B
;
1894 HashResultPointer
[2] += C
;
1895 HashResultPointer
[3] += D
;
1896 HashResultPointer
[4] += E
;
1901 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1902 * @RandomChallenge: pointer to the entry of host challenge random number array.
1903 * @HashWorking: pointer to the entry of the working hash array.
1905 * This routine calculates the working hash array referred by @HashWorking
1906 * from the challenge random numbers associated with the host, referred by
1907 * @RandomChallenge. The result is put into the entry of the working hash
1908 * array and returned by reference through @HashWorking.
1911 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1913 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1917 * lpfc_hba_init - Perform special handling for LC HBA initialization
1918 * @phba: pointer to lpfc hba data structure.
1919 * @hbainit: pointer to an array of unsigned 32-bit integers.
1921 * This routine performs the special handling for LC HBA initialization.
1924 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1927 uint32_t *HashWorking
;
1928 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1930 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1934 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1935 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1937 for (t
= 0; t
< 7; t
++)
1938 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1940 lpfc_sha_init(hbainit
);
1941 lpfc_sha_iterate(hbainit
, HashWorking
);
1946 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1947 * @vport: pointer to a virtual N_Port data structure.
1949 * This routine performs the necessary cleanups before deleting the @vport.
1950 * It invokes the discovery state machine to perform necessary state
1951 * transitions and to release the ndlps associated with the @vport. Note,
1952 * the physical port is treated as @vport 0.
1955 lpfc_cleanup(struct lpfc_vport
*vport
)
1957 struct lpfc_hba
*phba
= vport
->phba
;
1958 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1961 if (phba
->link_state
> LPFC_LINK_DOWN
)
1962 lpfc_port_link_failure(vport
);
1964 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1965 if (!NLP_CHK_NODE_ACT(ndlp
)) {
1966 ndlp
= lpfc_enable_node(vport
, ndlp
,
1967 NLP_STE_UNUSED_NODE
);
1970 spin_lock_irq(&phba
->ndlp_lock
);
1971 NLP_SET_FREE_REQ(ndlp
);
1972 spin_unlock_irq(&phba
->ndlp_lock
);
1973 /* Trigger the release of the ndlp memory */
1977 spin_lock_irq(&phba
->ndlp_lock
);
1978 if (NLP_CHK_FREE_REQ(ndlp
)) {
1979 /* The ndlp should not be in memory free mode already */
1980 spin_unlock_irq(&phba
->ndlp_lock
);
1983 /* Indicate request for freeing ndlp memory */
1984 NLP_SET_FREE_REQ(ndlp
);
1985 spin_unlock_irq(&phba
->ndlp_lock
);
1987 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
1988 ndlp
->nlp_DID
== Fabric_DID
) {
1989 /* Just free up ndlp with Fabric_DID for vports */
1994 if (ndlp
->nlp_type
& NLP_FABRIC
)
1995 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
1996 NLP_EVT_DEVICE_RECOVERY
);
1998 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2003 /* At this point, ALL ndlp's should be gone
2004 * because of the previous NLP_EVT_DEVICE_RM.
2005 * Lets wait for this to happen, if needed.
2007 while (!list_empty(&vport
->fc_nodes
)) {
2009 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2010 "0233 Nodelist not empty\n");
2011 list_for_each_entry_safe(ndlp
, next_ndlp
,
2012 &vport
->fc_nodes
, nlp_listp
) {
2013 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2015 "0282 did:x%x ndlp:x%p "
2016 "usgmap:x%x refcnt:%d\n",
2017 ndlp
->nlp_DID
, (void *)ndlp
,
2020 &ndlp
->kref
.refcount
));
2025 /* Wait for any activity on ndlps to settle */
2031 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2032 * @vport: pointer to a virtual N_Port data structure.
2034 * This routine stops all the timers associated with a @vport. This function
2035 * is invoked before disabling or deleting a @vport. Note that the physical
2036 * port is treated as @vport 0.
2039 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2041 del_timer_sync(&vport
->els_tmofunc
);
2042 del_timer_sync(&vport
->fc_fdmitmo
);
2043 lpfc_can_disctmo(vport
);
2048 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2049 * @phba: pointer to lpfc hba data structure.
2051 * This routine stops all the timers associated with a HBA. This function is
2052 * invoked before either putting a HBA offline or unloading the driver.
2055 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2057 lpfc_stop_vport_timers(phba
->pport
);
2058 del_timer_sync(&phba
->sli
.mbox_tmo
);
2059 del_timer_sync(&phba
->fabric_block_timer
);
2060 del_timer_sync(&phba
->eratt_poll
);
2061 del_timer_sync(&phba
->hb_tmofunc
);
2062 phba
->hb_outstanding
= 0;
2064 switch (phba
->pci_dev_grp
) {
2065 case LPFC_PCI_DEV_LP
:
2066 /* Stop any LightPulse device specific driver timers */
2067 del_timer_sync(&phba
->fcp_poll_timer
);
2069 case LPFC_PCI_DEV_OC
:
2070 /* Stop any OneConnect device sepcific driver timers */
2073 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2074 "0297 Invalid device group (x%x)\n",
2082 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2083 * @phba: pointer to lpfc hba data structure.
2085 * This routine marks a HBA's management interface as blocked. Once the HBA's
2086 * management interface is marked as blocked, all the user space access to
2087 * the HBA, whether they are from sysfs interface or libdfc interface will
2088 * all be blocked. The HBA is set to block the management interface when the
2089 * driver prepares the HBA interface for online or offline.
2092 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2094 unsigned long iflag
;
2096 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2097 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2098 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2102 * lpfc_online - Initialize and bring a HBA online
2103 * @phba: pointer to lpfc hba data structure.
2105 * This routine initializes the HBA and brings a HBA online. During this
2106 * process, the management interface is blocked to prevent user space access
2107 * to the HBA interfering with the driver initialization.
2114 lpfc_online(struct lpfc_hba
*phba
)
2116 struct lpfc_vport
*vport
;
2117 struct lpfc_vport
**vports
;
2122 vport
= phba
->pport
;
2124 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2127 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2128 "0458 Bring Adapter online\n");
2130 lpfc_block_mgmt_io(phba
);
2132 if (!lpfc_sli_queue_setup(phba
)) {
2133 lpfc_unblock_mgmt_io(phba
);
2137 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2138 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2139 lpfc_unblock_mgmt_io(phba
);
2143 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2144 lpfc_unblock_mgmt_io(phba
);
2149 vports
= lpfc_create_vport_work_array(phba
);
2151 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2152 struct Scsi_Host
*shost
;
2153 shost
= lpfc_shost_from_vport(vports
[i
]);
2154 spin_lock_irq(shost
->host_lock
);
2155 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2156 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2157 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2158 spin_unlock_irq(shost
->host_lock
);
2160 lpfc_destroy_vport_work_array(phba
, vports
);
2162 lpfc_unblock_mgmt_io(phba
);
2167 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2168 * @phba: pointer to lpfc hba data structure.
2170 * This routine marks a HBA's management interface as not blocked. Once the
2171 * HBA's management interface is marked as not blocked, all the user space
2172 * access to the HBA, whether they are from sysfs interface or libdfc
2173 * interface will be allowed. The HBA is set to block the management interface
2174 * when the driver prepares the HBA interface for online or offline and then
2175 * set to unblock the management interface afterwards.
2178 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2180 unsigned long iflag
;
2182 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2183 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2184 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2188 * lpfc_offline_prep - Prepare a HBA to be brought offline
2189 * @phba: pointer to lpfc hba data structure.
2191 * This routine is invoked to prepare a HBA to be brought offline. It performs
2192 * unregistration login to all the nodes on all vports and flushes the mailbox
2193 * queue to make it ready to be brought offline.
2196 lpfc_offline_prep(struct lpfc_hba
* phba
)
2198 struct lpfc_vport
*vport
= phba
->pport
;
2199 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2200 struct lpfc_vport
**vports
;
2203 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2206 lpfc_block_mgmt_io(phba
);
2208 lpfc_linkdown(phba
);
2210 /* Issue an unreg_login to all nodes on all vports */
2211 vports
= lpfc_create_vport_work_array(phba
);
2212 if (vports
!= NULL
) {
2213 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2214 struct Scsi_Host
*shost
;
2216 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2218 vports
[i
]->vfi_state
&= ~LPFC_VFI_REGISTERED
;
2219 shost
= lpfc_shost_from_vport(vports
[i
]);
2220 list_for_each_entry_safe(ndlp
, next_ndlp
,
2221 &vports
[i
]->fc_nodes
,
2223 if (!NLP_CHK_NODE_ACT(ndlp
))
2225 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2227 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2228 lpfc_disc_state_machine(vports
[i
], ndlp
,
2229 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2230 lpfc_disc_state_machine(vports
[i
], ndlp
,
2231 NULL
, NLP_EVT_DEVICE_RM
);
2233 spin_lock_irq(shost
->host_lock
);
2234 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2235 spin_unlock_irq(shost
->host_lock
);
2236 lpfc_unreg_rpi(vports
[i
], ndlp
);
2240 lpfc_destroy_vport_work_array(phba
, vports
);
2242 lpfc_sli_mbox_sys_shutdown(phba
);
2246 * lpfc_offline - Bring a HBA offline
2247 * @phba: pointer to lpfc hba data structure.
2249 * This routine actually brings a HBA offline. It stops all the timers
2250 * associated with the HBA, brings down the SLI layer, and eventually
2251 * marks the HBA as in offline state for the upper layer protocol.
2254 lpfc_offline(struct lpfc_hba
*phba
)
2256 struct Scsi_Host
*shost
;
2257 struct lpfc_vport
**vports
;
2260 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2263 /* stop port and all timers associated with this hba */
2264 lpfc_stop_port(phba
);
2265 vports
= lpfc_create_vport_work_array(phba
);
2267 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2268 lpfc_stop_vport_timers(vports
[i
]);
2269 lpfc_destroy_vport_work_array(phba
, vports
);
2270 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2271 "0460 Bring Adapter offline\n");
2272 /* Bring down the SLI Layer and cleanup. The HBA is offline
2274 lpfc_sli_hba_down(phba
);
2275 spin_lock_irq(&phba
->hbalock
);
2277 spin_unlock_irq(&phba
->hbalock
);
2278 vports
= lpfc_create_vport_work_array(phba
);
2280 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2281 shost
= lpfc_shost_from_vport(vports
[i
]);
2282 spin_lock_irq(shost
->host_lock
);
2283 vports
[i
]->work_port_events
= 0;
2284 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2285 spin_unlock_irq(shost
->host_lock
);
2287 lpfc_destroy_vport_work_array(phba
, vports
);
2291 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2292 * @phba: pointer to lpfc hba data structure.
2294 * This routine is to free all the SCSI buffers and IOCBs from the driver
2295 * list back to kernel. It is called from lpfc_pci_remove_one to free
2296 * the internal resources before the device is removed from the system.
2299 * 0 - successful (for now, it always returns 0)
2302 lpfc_scsi_free(struct lpfc_hba
*phba
)
2304 struct lpfc_scsi_buf
*sb
, *sb_next
;
2305 struct lpfc_iocbq
*io
, *io_next
;
2307 spin_lock_irq(&phba
->hbalock
);
2308 /* Release all the lpfc_scsi_bufs maintained by this host. */
2309 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2310 list_del(&sb
->list
);
2311 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2314 phba
->total_scsi_bufs
--;
2317 /* Release all the lpfc_iocbq entries maintained by this host. */
2318 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2319 list_del(&io
->list
);
2321 phba
->total_iocbq_bufs
--;
2324 spin_unlock_irq(&phba
->hbalock
);
2330 * lpfc_create_port - Create an FC port
2331 * @phba: pointer to lpfc hba data structure.
2332 * @instance: a unique integer ID to this FC port.
2333 * @dev: pointer to the device data structure.
2335 * This routine creates a FC port for the upper layer protocol. The FC port
2336 * can be created on top of either a physical port or a virtual port provided
2337 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2338 * and associates the FC port created before adding the shost into the SCSI
2342 * @vport - pointer to the virtual N_Port data structure.
2343 * NULL - port create failed.
2346 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2348 struct lpfc_vport
*vport
;
2349 struct Scsi_Host
*shost
;
2352 if (dev
!= &phba
->pcidev
->dev
)
2353 shost
= scsi_host_alloc(&lpfc_vport_template
,
2354 sizeof(struct lpfc_vport
));
2356 shost
= scsi_host_alloc(&lpfc_template
,
2357 sizeof(struct lpfc_vport
));
2361 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2363 vport
->load_flag
|= FC_LOADING
;
2364 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2365 vport
->fc_rscn_flush
= 0;
2367 lpfc_get_vport_cfgparam(vport
);
2368 shost
->unique_id
= instance
;
2369 shost
->max_id
= LPFC_MAX_TARGET
;
2370 shost
->max_lun
= vport
->cfg_max_luns
;
2371 shost
->this_id
= -1;
2372 shost
->max_cmd_len
= 16;
2373 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2374 shost
->dma_boundary
= LPFC_SLI4_MAX_SEGMENT_SIZE
;
2375 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2379 * Set initial can_queue value since 0 is no longer supported and
2380 * scsi_add_host will fail. This will be adjusted later based on the
2381 * max xri value determined in hba setup.
2383 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2384 if (dev
!= &phba
->pcidev
->dev
) {
2385 shost
->transportt
= lpfc_vport_transport_template
;
2386 vport
->port_type
= LPFC_NPIV_PORT
;
2388 shost
->transportt
= lpfc_transport_template
;
2389 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2392 /* Initialize all internally managed lists. */
2393 INIT_LIST_HEAD(&vport
->fc_nodes
);
2394 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2395 spin_lock_init(&vport
->work_port_lock
);
2397 init_timer(&vport
->fc_disctmo
);
2398 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2399 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2401 init_timer(&vport
->fc_fdmitmo
);
2402 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2403 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2405 init_timer(&vport
->els_tmofunc
);
2406 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2407 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2409 error
= scsi_add_host(shost
, dev
);
2413 spin_lock_irq(&phba
->hbalock
);
2414 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2415 spin_unlock_irq(&phba
->hbalock
);
2419 scsi_host_put(shost
);
2425 * destroy_port - destroy an FC port
2426 * @vport: pointer to an lpfc virtual N_Port data structure.
2428 * This routine destroys a FC port from the upper layer protocol. All the
2429 * resources associated with the port are released.
2432 destroy_port(struct lpfc_vport
*vport
)
2434 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2435 struct lpfc_hba
*phba
= vport
->phba
;
2437 lpfc_debugfs_terminate(vport
);
2438 fc_remove_host(shost
);
2439 scsi_remove_host(shost
);
2441 spin_lock_irq(&phba
->hbalock
);
2442 list_del_init(&vport
->listentry
);
2443 spin_unlock_irq(&phba
->hbalock
);
2445 lpfc_cleanup(vport
);
2450 * lpfc_get_instance - Get a unique integer ID
2452 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2453 * uses the kernel idr facility to perform the task.
2456 * instance - a unique integer ID allocated as the new instance.
2457 * -1 - lpfc get instance failed.
2460 lpfc_get_instance(void)
2464 /* Assign an unused number */
2465 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2467 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2473 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2474 * @shost: pointer to SCSI host data structure.
2475 * @time: elapsed time of the scan in jiffies.
2477 * This routine is called by the SCSI layer with a SCSI host to determine
2478 * whether the scan host is finished.
2480 * Note: there is no scan_start function as adapter initialization will have
2481 * asynchronously kicked off the link initialization.
2484 * 0 - SCSI host scan is not over yet.
2485 * 1 - SCSI host scan is over.
2487 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2489 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2490 struct lpfc_hba
*phba
= vport
->phba
;
2493 spin_lock_irq(shost
->host_lock
);
2495 if (vport
->load_flag
& FC_UNLOADING
) {
2499 if (time
>= 30 * HZ
) {
2500 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2501 "0461 Scanning longer than 30 "
2502 "seconds. Continuing initialization\n");
2506 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2507 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2508 "0465 Link down longer than 15 "
2509 "seconds. Continuing initialization\n");
2514 if (vport
->port_state
!= LPFC_VPORT_READY
)
2516 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2518 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2520 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2526 spin_unlock_irq(shost
->host_lock
);
2531 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2532 * @shost: pointer to SCSI host data structure.
2534 * This routine initializes a given SCSI host attributes on a FC port. The
2535 * SCSI host can be either on top of a physical port or a virtual port.
2537 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2539 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2540 struct lpfc_hba
*phba
= vport
->phba
;
2542 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2545 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2546 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2547 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2549 memset(fc_host_supported_fc4s(shost
), 0,
2550 sizeof(fc_host_supported_fc4s(shost
)));
2551 fc_host_supported_fc4s(shost
)[2] = 1;
2552 fc_host_supported_fc4s(shost
)[7] = 1;
2554 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2555 sizeof fc_host_symbolic_name(shost
));
2557 fc_host_supported_speeds(shost
) = 0;
2558 if (phba
->lmt
& LMT_10Gb
)
2559 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2560 if (phba
->lmt
& LMT_8Gb
)
2561 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2562 if (phba
->lmt
& LMT_4Gb
)
2563 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2564 if (phba
->lmt
& LMT_2Gb
)
2565 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2566 if (phba
->lmt
& LMT_1Gb
)
2567 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2569 fc_host_maxframe_size(shost
) =
2570 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2571 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2573 /* This value is also unchanging */
2574 memset(fc_host_active_fc4s(shost
), 0,
2575 sizeof(fc_host_active_fc4s(shost
)));
2576 fc_host_active_fc4s(shost
)[2] = 1;
2577 fc_host_active_fc4s(shost
)[7] = 1;
2579 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2580 spin_lock_irq(shost
->host_lock
);
2581 vport
->load_flag
&= ~FC_LOADING
;
2582 spin_unlock_irq(shost
->host_lock
);
2586 * lpfc_stop_port_s3 - Stop SLI3 device port
2587 * @phba: pointer to lpfc hba data structure.
2589 * This routine is invoked to stop an SLI3 device port, it stops the device
2590 * from generating interrupts and stops the device driver's timers for the
2594 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2596 /* Clear all interrupt enable conditions */
2597 writel(0, phba
->HCregaddr
);
2598 readl(phba
->HCregaddr
); /* flush */
2599 /* Clear all pending interrupts */
2600 writel(0xffffffff, phba
->HAregaddr
);
2601 readl(phba
->HAregaddr
); /* flush */
2603 /* Reset some HBA SLI setup states */
2604 lpfc_stop_hba_timers(phba
);
2605 phba
->pport
->work_port_events
= 0;
2609 * lpfc_stop_port_s4 - Stop SLI4 device port
2610 * @phba: pointer to lpfc hba data structure.
2612 * This routine is invoked to stop an SLI4 device port, it stops the device
2613 * from generating interrupts and stops the device driver's timers for the
2617 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
2619 /* Reset some HBA SLI4 setup states */
2620 lpfc_stop_hba_timers(phba
);
2621 phba
->pport
->work_port_events
= 0;
2622 phba
->sli4_hba
.intr_enable
= 0;
2623 /* Hard clear it for now, shall have more graceful way to wait later */
2624 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
2628 * lpfc_stop_port - Wrapper function for stopping hba port
2629 * @phba: Pointer to HBA context object.
2631 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2632 * the API jump table function pointer from the lpfc_hba struct.
2635 lpfc_stop_port(struct lpfc_hba
*phba
)
2637 phba
->lpfc_stop_port(phba
);
2641 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2642 * @phba: pointer to lpfc hba data structure.
2644 * This routine is invoked to remove the driver default fcf record from
2645 * the port. This routine currently acts on FCF Index 0.
2649 lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*phba
)
2652 LPFC_MBOXQ_t
*mboxq
;
2653 struct lpfc_mbx_del_fcf_tbl_entry
*del_fcf_record
;
2654 uint32_t mbox_tmo
, req_len
;
2655 uint32_t shdr_status
, shdr_add_status
;
2657 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2659 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2660 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2664 req_len
= sizeof(struct lpfc_mbx_del_fcf_tbl_entry
) -
2665 sizeof(struct lpfc_sli4_cfg_mhdr
);
2666 rc
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
2667 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF
,
2668 req_len
, LPFC_SLI4_MBX_EMBED
);
2670 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2671 * supports multiple FCF indices.
2673 del_fcf_record
= &mboxq
->u
.mqe
.un
.del_fcf_entry
;
2674 bf_set(lpfc_mbx_del_fcf_tbl_count
, del_fcf_record
, 1);
2675 bf_set(lpfc_mbx_del_fcf_tbl_index
, del_fcf_record
,
2676 phba
->fcf
.fcf_indx
);
2678 if (!phba
->sli4_hba
.intr_enable
)
2679 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2681 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
2682 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
2684 /* The IOCTL status is embedded in the mailbox subheader. */
2685 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2686 &del_fcf_record
->header
.cfg_shdr
.response
);
2687 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2688 &del_fcf_record
->header
.cfg_shdr
.response
);
2689 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2690 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2691 "2516 DEL FCF of default FCF Index failed "
2692 "mbx status x%x, status x%x add_status x%x\n",
2693 rc
, shdr_status
, shdr_add_status
);
2695 if (rc
!= MBX_TIMEOUT
)
2696 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2700 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2701 * @phba: pointer to lpfc hba data structure.
2702 * @acqe_link: pointer to the async link completion queue entry.
2704 * This routine is to parse the SLI4 link-attention link fault code and
2705 * translate it into the base driver's read link attention mailbox command
2708 * Return: Link-attention status in terms of base driver's coding.
2711 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
2712 struct lpfc_acqe_link
*acqe_link
)
2714 uint16_t latt_fault
;
2716 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
2717 case LPFC_ASYNC_LINK_FAULT_NONE
:
2718 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
2719 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
2723 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2724 "0398 Invalid link fault code: x%x\n",
2725 bf_get(lpfc_acqe_link_fault
, acqe_link
));
2726 latt_fault
= MBXERR_ERROR
;
2733 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2734 * @phba: pointer to lpfc hba data structure.
2735 * @acqe_link: pointer to the async link completion queue entry.
2737 * This routine is to parse the SLI4 link attention type and translate it
2738 * into the base driver's link attention type coding.
2740 * Return: Link attention type in terms of base driver's coding.
2743 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
2744 struct lpfc_acqe_link
*acqe_link
)
2748 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
2749 case LPFC_ASYNC_LINK_STATUS_DOWN
:
2750 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
2751 att_type
= AT_LINK_DOWN
;
2753 case LPFC_ASYNC_LINK_STATUS_UP
:
2754 /* Ignore physical link up events - wait for logical link up */
2755 att_type
= AT_RESERVED
;
2757 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
2758 att_type
= AT_LINK_UP
;
2761 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2762 "0399 Invalid link attention type: x%x\n",
2763 bf_get(lpfc_acqe_link_status
, acqe_link
));
2764 att_type
= AT_RESERVED
;
2771 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2772 * @phba: pointer to lpfc hba data structure.
2773 * @acqe_link: pointer to the async link completion queue entry.
2775 * This routine is to parse the SLI4 link-attention link speed and translate
2776 * it into the base driver's link-attention link speed coding.
2778 * Return: Link-attention link speed in terms of base driver's coding.
2781 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
2782 struct lpfc_acqe_link
*acqe_link
)
2786 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
2787 case LPFC_ASYNC_LINK_SPEED_ZERO
:
2788 link_speed
= LA_UNKNW_LINK
;
2790 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
2791 link_speed
= LA_UNKNW_LINK
;
2793 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
2794 link_speed
= LA_UNKNW_LINK
;
2796 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
2797 link_speed
= LA_1GHZ_LINK
;
2799 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
2800 link_speed
= LA_10GHZ_LINK
;
2803 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2804 "0483 Invalid link-attention link speed: x%x\n",
2805 bf_get(lpfc_acqe_link_speed
, acqe_link
));
2806 link_speed
= LA_UNKNW_LINK
;
2813 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2814 * @phba: pointer to lpfc hba data structure.
2815 * @acqe_link: pointer to the async link completion queue entry.
2817 * This routine is to handle the SLI4 asynchronous link event.
2820 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
2821 struct lpfc_acqe_link
*acqe_link
)
2823 struct lpfc_dmabuf
*mp
;
2829 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
2830 if (att_type
!= AT_LINK_DOWN
&& att_type
!= AT_LINK_UP
)
2832 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
2833 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2835 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2836 "0395 The mboxq allocation failed\n");
2839 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2841 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2842 "0396 The lpfc_dmabuf allocation failed\n");
2845 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2847 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2848 "0397 The mbuf allocation failed\n");
2849 goto out_free_dmabuf
;
2852 /* Cleanup any outstanding ELS commands */
2853 lpfc_els_flush_all_cmd(phba
);
2855 /* Block ELS IOCBs until we have done process link event */
2856 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2858 /* Update link event statistics */
2859 phba
->sli
.slistat
.link_event
++;
2861 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2862 lpfc_read_la(phba
, pmb
, mp
);
2863 pmb
->vport
= phba
->pport
;
2865 /* Parse and translate status field */
2867 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
2869 /* Parse and translate link attention fields */
2870 la
= (READ_LA_VAR
*) &pmb
->u
.mb
.un
.varReadLA
;
2871 la
->eventTag
= acqe_link
->event_tag
;
2872 la
->attType
= att_type
;
2873 la
->UlnkSpeed
= lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
);
2875 /* Fake the the following irrelvant fields */
2876 la
->topology
= TOPOLOGY_PT_PT
;
2877 la
->granted_AL_PA
= 0;
2883 /* Keep the link status for extra SLI4 state machine reference */
2884 phba
->sli4_hba
.link_state
.speed
=
2885 bf_get(lpfc_acqe_link_speed
, acqe_link
);
2886 phba
->sli4_hba
.link_state
.duplex
=
2887 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
2888 phba
->sli4_hba
.link_state
.status
=
2889 bf_get(lpfc_acqe_link_status
, acqe_link
);
2890 phba
->sli4_hba
.link_state
.physical
=
2891 bf_get(lpfc_acqe_link_physical
, acqe_link
);
2892 phba
->sli4_hba
.link_state
.fault
=
2893 bf_get(lpfc_acqe_link_fault
, acqe_link
);
2895 /* Invoke the lpfc_handle_latt mailbox command callback function */
2896 lpfc_mbx_cmpl_read_la(phba
, pmb
);
2903 mempool_free(pmb
, phba
->mbox_mem_pool
);
2907 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2908 * @phba: pointer to lpfc hba data structure.
2909 * @acqe_link: pointer to the async fcoe completion queue entry.
2911 * This routine is to handle the SLI4 asynchronous fcoe event.
2914 lpfc_sli4_async_fcoe_evt(struct lpfc_hba
*phba
,
2915 struct lpfc_acqe_fcoe
*acqe_fcoe
)
2917 uint8_t event_type
= bf_get(lpfc_acqe_fcoe_event_type
, acqe_fcoe
);
2920 phba
->fcoe_eventtag
= acqe_fcoe
->event_tag
;
2921 switch (event_type
) {
2922 case LPFC_FCOE_EVENT_TYPE_NEW_FCF
:
2923 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2924 "2546 New FCF found index 0x%x tag 0x%x \n",
2925 acqe_fcoe
->fcf_index
,
2926 acqe_fcoe
->event_tag
);
2928 * If the current FCF is in discovered state, or
2929 * FCF discovery is in progress do nothing.
2931 spin_lock_irq(&phba
->hbalock
);
2932 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERED
) ||
2933 (phba
->hba_flag
& FCF_DISC_INPROGRESS
)) {
2934 spin_unlock_irq(&phba
->hbalock
);
2937 spin_unlock_irq(&phba
->hbalock
);
2939 /* Read the FCF table and re-discover SAN. */
2940 rc
= lpfc_sli4_read_fcf_record(phba
,
2941 LPFC_FCOE_FCF_GET_FIRST
);
2943 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2944 "2547 Read FCF record failed 0x%x\n",
2948 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL
:
2949 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2950 "2548 FCF Table full count 0x%x tag 0x%x \n",
2951 bf_get(lpfc_acqe_fcoe_fcf_count
, acqe_fcoe
),
2952 acqe_fcoe
->event_tag
);
2955 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD
:
2956 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2957 "2549 FCF disconnected fron network index 0x%x"
2958 " tag 0x%x \n", acqe_fcoe
->fcf_index
,
2959 acqe_fcoe
->event_tag
);
2960 /* If the event is not for currently used fcf do nothing */
2961 if (phba
->fcf
.fcf_indx
!= acqe_fcoe
->fcf_index
)
2964 * Currently, driver support only one FCF - so treat this as
2967 lpfc_linkdown(phba
);
2968 /* Unregister FCF if no devices connected to it */
2969 lpfc_unregister_unused_fcf(phba
);
2973 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2974 "0288 Unknown FCoE event type 0x%x event tag "
2975 "0x%x\n", event_type
, acqe_fcoe
->event_tag
);
2981 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
2982 * @phba: pointer to lpfc hba data structure.
2983 * @acqe_link: pointer to the async dcbx completion queue entry.
2985 * This routine is to handle the SLI4 asynchronous dcbx event.
2988 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
2989 struct lpfc_acqe_dcbx
*acqe_dcbx
)
2991 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2992 "0290 The SLI4 DCBX asynchronous event is not "
2997 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
2998 * @phba: pointer to lpfc hba data structure.
3000 * This routine is invoked by the worker thread to process all the pending
3001 * SLI4 asynchronous events.
3003 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3005 struct lpfc_cq_event
*cq_event
;
3007 /* First, declare the async event has been handled */
3008 spin_lock_irq(&phba
->hbalock
);
3009 phba
->hba_flag
&= ~ASYNC_EVENT
;
3010 spin_unlock_irq(&phba
->hbalock
);
3011 /* Now, handle all the async events */
3012 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3013 /* Get the first event from the head of the event queue */
3014 spin_lock_irq(&phba
->hbalock
);
3015 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3016 cq_event
, struct lpfc_cq_event
, list
);
3017 spin_unlock_irq(&phba
->hbalock
);
3018 /* Process the asynchronous event */
3019 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3020 case LPFC_TRAILER_CODE_LINK
:
3021 lpfc_sli4_async_link_evt(phba
,
3022 &cq_event
->cqe
.acqe_link
);
3024 case LPFC_TRAILER_CODE_FCOE
:
3025 lpfc_sli4_async_fcoe_evt(phba
,
3026 &cq_event
->cqe
.acqe_fcoe
);
3028 case LPFC_TRAILER_CODE_DCBX
:
3029 lpfc_sli4_async_dcbx_evt(phba
,
3030 &cq_event
->cqe
.acqe_dcbx
);
3033 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3034 "1804 Invalid asynchrous event code: "
3035 "x%x\n", bf_get(lpfc_trailer_code
,
3036 &cq_event
->cqe
.mcqe_cmpl
));
3039 /* Free the completion event processed to the free pool */
3040 lpfc_sli4_cq_event_release(phba
, cq_event
);
3045 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3046 * @phba: pointer to lpfc hba data structure.
3047 * @dev_grp: The HBA PCI-Device group number.
3049 * This routine is invoked to set up the per HBA PCI-Device group function
3050 * API jump table entries.
3052 * Return: 0 if success, otherwise -ENODEV
3055 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3059 /* Set up lpfc PCI-device group */
3060 phba
->pci_dev_grp
= dev_grp
;
3062 /* The LPFC_PCI_DEV_OC uses SLI4 */
3063 if (dev_grp
== LPFC_PCI_DEV_OC
)
3064 phba
->sli_rev
= LPFC_SLI_REV4
;
3066 /* Set up device INIT API function jump table */
3067 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3070 /* Set up SCSI API function jump table */
3071 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3074 /* Set up SLI API function jump table */
3075 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3078 /* Set up MBOX API function jump table */
3079 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3087 * lpfc_log_intr_mode - Log the active interrupt mode
3088 * @phba: pointer to lpfc hba data structure.
3089 * @intr_mode: active interrupt mode adopted.
3091 * This routine it invoked to log the currently used active interrupt mode
3094 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3096 switch (intr_mode
) {
3098 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3099 "0470 Enable INTx interrupt mode.\n");
3102 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3103 "0481 Enabled MSI interrupt mode.\n");
3106 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3107 "0480 Enabled MSI-X interrupt mode.\n");
3110 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3111 "0482 Illegal interrupt mode.\n");
3118 * lpfc_enable_pci_dev - Enable a generic PCI device.
3119 * @phba: pointer to lpfc hba data structure.
3121 * This routine is invoked to enable the PCI device that is common to all
3126 * other values - error
3129 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3131 struct pci_dev
*pdev
;
3134 /* Obtain PCI device reference */
3138 pdev
= phba
->pcidev
;
3139 /* Select PCI BARs */
3140 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3141 /* Enable PCI device */
3142 if (pci_enable_device_mem(pdev
))
3144 /* Request PCI resource for the device */
3145 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3146 goto out_disable_device
;
3147 /* Set up device as PCI master and save state for EEH */
3148 pci_set_master(pdev
);
3149 pci_try_set_mwi(pdev
);
3150 pci_save_state(pdev
);
3155 pci_disable_device(pdev
);
3161 * lpfc_disable_pci_dev - Disable a generic PCI device.
3162 * @phba: pointer to lpfc hba data structure.
3164 * This routine is invoked to disable the PCI device that is common to all
3168 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
3170 struct pci_dev
*pdev
;
3173 /* Obtain PCI device reference */
3177 pdev
= phba
->pcidev
;
3178 /* Select PCI BARs */
3179 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3180 /* Release PCI resource and disable PCI device */
3181 pci_release_selected_regions(pdev
, bars
);
3182 pci_disable_device(pdev
);
3183 /* Null out PCI private reference to driver */
3184 pci_set_drvdata(pdev
, NULL
);
3190 * lpfc_reset_hba - Reset a hba
3191 * @phba: pointer to lpfc hba data structure.
3193 * This routine is invoked to reset a hba device. It brings the HBA
3194 * offline, performs a board restart, and then brings the board back
3195 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3196 * on outstanding mailbox commands.
3199 lpfc_reset_hba(struct lpfc_hba
*phba
)
3201 /* If resets are disabled then set error state and return. */
3202 if (!phba
->cfg_enable_hba_reset
) {
3203 phba
->link_state
= LPFC_HBA_ERROR
;
3206 lpfc_offline_prep(phba
);
3208 lpfc_sli_brdrestart(phba
);
3210 lpfc_unblock_mgmt_io(phba
);
3214 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3215 * @phba: pointer to lpfc hba data structure.
3217 * This routine is invoked to set up the driver internal resources specific to
3218 * support the SLI-3 HBA device it attached to.
3222 * other values - error
3225 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
3227 struct lpfc_sli
*psli
;
3230 * Initialize timers used by driver
3233 /* Heartbeat timer */
3234 init_timer(&phba
->hb_tmofunc
);
3235 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3236 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3239 /* MBOX heartbeat timer */
3240 init_timer(&psli
->mbox_tmo
);
3241 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3242 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3243 /* FCP polling mode timer */
3244 init_timer(&phba
->fcp_poll_timer
);
3245 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
3246 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
3247 /* Fabric block timer */
3248 init_timer(&phba
->fabric_block_timer
);
3249 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3250 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3251 /* EA polling mode timer */
3252 init_timer(&phba
->eratt_poll
);
3253 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3254 phba
->eratt_poll
.data
= (unsigned long) phba
;
3256 /* Host attention work mask setup */
3257 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
3258 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
3260 /* Get all the module params for configuring this host */
3261 lpfc_get_cfgparam(phba
);
3263 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3264 * used to create the sg_dma_buf_pool must be dynamically calculated.
3265 * 2 segments are added since the IOCB needs a command and response bde.
3267 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
3268 sizeof(struct fcp_rsp
) +
3269 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
3271 if (phba
->cfg_enable_bg
) {
3272 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
3273 phba
->cfg_sg_dma_buf_size
+=
3274 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
3277 /* Also reinitialize the host templates with new values. */
3278 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3279 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3281 phba
->max_vpi
= LPFC_MAX_VPI
;
3282 /* This will be set to correct value after config_port mbox */
3283 phba
->max_vports
= 0;
3286 * Initialize the SLI Layer to run with lpfc HBAs.
3288 lpfc_sli_setup(phba
);
3289 lpfc_sli_queue_setup(phba
);
3291 /* Allocate device driver memory */
3292 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
3299 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3300 * @phba: pointer to lpfc hba data structure.
3302 * This routine is invoked to unset the driver internal resources set up
3303 * specific for supporting the SLI-3 HBA device it attached to.
3306 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
3308 /* Free device driver memory allocated */
3309 lpfc_mem_free_all(phba
);
3315 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3316 * @phba: pointer to lpfc hba data structure.
3318 * This routine is invoked to set up the driver internal resources specific to
3319 * support the SLI-4 HBA device it attached to.
3323 * other values - error
3326 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
3328 struct lpfc_sli
*psli
;
3332 /* Before proceed, wait for POST done and device ready */
3333 rc
= lpfc_sli4_post_status_check(phba
);
3338 * Initialize timers used by driver
3341 /* Heartbeat timer */
3342 init_timer(&phba
->hb_tmofunc
);
3343 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3344 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3347 /* MBOX heartbeat timer */
3348 init_timer(&psli
->mbox_tmo
);
3349 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3350 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3351 /* Fabric block timer */
3352 init_timer(&phba
->fabric_block_timer
);
3353 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3354 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3355 /* EA polling mode timer */
3356 init_timer(&phba
->eratt_poll
);
3357 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3358 phba
->eratt_poll
.data
= (unsigned long) phba
;
3360 * We need to do a READ_CONFIG mailbox command here before
3361 * calling lpfc_get_cfgparam. For VFs this will report the
3362 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3363 * All of the resources allocated
3364 * for this Port are tied to these values.
3366 /* Get all the module params for configuring this host */
3367 lpfc_get_cfgparam(phba
);
3368 phba
->max_vpi
= LPFC_MAX_VPI
;
3369 /* This will be set to correct value after the read_config mbox */
3370 phba
->max_vports
= 0;
3372 /* Program the default value of vlan_id and fc_map */
3373 phba
->valid_vlan
= 0;
3374 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
3375 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
3376 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
3379 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3380 * used to create the sg_dma_buf_pool must be dynamically calculated.
3381 * 2 segments are added since the IOCB needs a command and response bde.
3382 * To insure that the scsi sgl does not cross a 4k page boundary only
3383 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3384 * Table of sgl sizes and seg_cnt:
3385 * sgl size, sg_seg_cnt total seg
3390 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3391 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3392 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3393 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3395 if (phba
->cfg_sg_seg_cnt
<= LPFC_DEFAULT_SG_SEG_CNT
)
3396 phba
->cfg_sg_seg_cnt
= 50;
3397 else if (phba
->cfg_sg_seg_cnt
<= 114)
3398 phba
->cfg_sg_seg_cnt
= 114;
3399 else if (phba
->cfg_sg_seg_cnt
<= 242)
3400 phba
->cfg_sg_seg_cnt
= 242;
3402 phba
->cfg_sg_seg_cnt
= 498;
3404 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
)
3405 + sizeof(struct fcp_rsp
);
3406 phba
->cfg_sg_dma_buf_size
+=
3407 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
3409 /* Initialize buffer queue management fields */
3410 hbq_count
= lpfc_sli_hbq_count();
3411 for (i
= 0; i
< hbq_count
; ++i
)
3412 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
3413 INIT_LIST_HEAD(&phba
->rb_pend_list
);
3414 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
3415 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
3418 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3420 /* Initialize the Abort scsi buffer list used by driver */
3421 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
3422 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
3423 /* This abort list used by worker thread */
3424 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
3427 * Initialize dirver internal slow-path work queues
3430 /* Driver internel slow-path CQ Event pool */
3431 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
3432 /* Response IOCB work queue list */
3433 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_rspiocb_work_queue
);
3434 /* Asynchronous event CQ Event work queue list */
3435 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
3436 /* Fast-path XRI aborted CQ Event work queue list */
3437 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
3438 /* Slow-path XRI aborted CQ Event work queue list */
3439 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
3440 /* Receive queue CQ Event work queue list */
3441 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
3443 /* Initialize the driver internal SLI layer lists. */
3444 lpfc_sli_setup(phba
);
3445 lpfc_sli_queue_setup(phba
);
3447 /* Allocate device driver memory */
3448 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
3452 /* Create the bootstrap mailbox command */
3453 rc
= lpfc_create_bootstrap_mbox(phba
);
3457 /* Set up the host's endian order with the device. */
3458 rc
= lpfc_setup_endian_order(phba
);
3460 goto out_free_bsmbx
;
3462 /* Set up the hba's configuration parameters. */
3463 rc
= lpfc_sli4_read_config(phba
);
3465 goto out_free_bsmbx
;
3467 /* Perform a function reset */
3468 rc
= lpfc_pci_function_reset(phba
);
3470 goto out_free_bsmbx
;
3472 /* Create all the SLI4 queues */
3473 rc
= lpfc_sli4_queue_create(phba
);
3475 goto out_free_bsmbx
;
3477 /* Create driver internal CQE event pool */
3478 rc
= lpfc_sli4_cq_event_pool_create(phba
);
3480 goto out_destroy_queue
;
3482 /* Initialize and populate the iocb list per host */
3483 rc
= lpfc_init_sgl_list(phba
);
3485 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3486 "1400 Failed to initialize sgl list.\n");
3487 goto out_destroy_cq_event_pool
;
3489 rc
= lpfc_init_active_sgl_array(phba
);
3491 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3492 "1430 Failed to initialize sgl list.\n");
3493 goto out_free_sgl_list
;
3496 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
3498 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3499 "1432 Failed to initialize rpi headers.\n");
3500 goto out_free_active_sgl
;
3503 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
3504 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
3505 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
3506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3507 "2572 Failed allocate memory for fast-path "
3508 "per-EQ handle array\n");
3509 goto out_remove_rpi_hdrs
;
3512 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
3513 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
3514 if (!phba
->sli4_hba
.msix_entries
) {
3515 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3516 "2573 Failed allocate memory for msi-x "
3517 "interrupt vector entries\n");
3518 goto out_free_fcp_eq_hdl
;
3523 out_free_fcp_eq_hdl
:
3524 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3525 out_remove_rpi_hdrs
:
3526 lpfc_sli4_remove_rpi_hdrs(phba
);
3527 out_free_active_sgl
:
3528 lpfc_free_active_sgl(phba
);
3530 lpfc_free_sgl_list(phba
);
3531 out_destroy_cq_event_pool
:
3532 lpfc_sli4_cq_event_pool_destroy(phba
);
3534 lpfc_sli4_queue_destroy(phba
);
3536 lpfc_destroy_bootstrap_mbox(phba
);
3538 lpfc_mem_free(phba
);
3543 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3544 * @phba: pointer to lpfc hba data structure.
3546 * This routine is invoked to unset the driver internal resources set up
3547 * specific for supporting the SLI-4 HBA device it attached to.
3550 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
3552 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
3554 /* unregister default FCFI from the HBA */
3555 lpfc_sli4_fcfi_unreg(phba
, phba
->fcf
.fcfi
);
3557 /* Free the default FCR table */
3558 lpfc_sli_remove_dflt_fcf(phba
);
3560 /* Free memory allocated for msi-x interrupt vector entries */
3561 kfree(phba
->sli4_hba
.msix_entries
);
3563 /* Free memory allocated for fast-path work queue handles */
3564 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3566 /* Free the allocated rpi headers. */
3567 lpfc_sli4_remove_rpi_hdrs(phba
);
3568 lpfc_sli4_remove_rpis(phba
);
3570 /* Free the ELS sgl list */
3571 lpfc_free_active_sgl(phba
);
3572 lpfc_free_sgl_list(phba
);
3574 /* Free the SCSI sgl management array */
3575 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
3577 /* Free the SLI4 queues */
3578 lpfc_sli4_queue_destroy(phba
);
3580 /* Free the completion queue EQ event pool */
3581 lpfc_sli4_cq_event_release_all(phba
);
3582 lpfc_sli4_cq_event_pool_destroy(phba
);
3584 /* Reset SLI4 HBA FCoE function */
3585 lpfc_pci_function_reset(phba
);
3587 /* Free the bsmbx region. */
3588 lpfc_destroy_bootstrap_mbox(phba
);
3590 /* Free the SLI Layer memory with SLI4 HBAs */
3591 lpfc_mem_free_all(phba
);
3593 /* Free the current connect table */
3594 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
3595 &phba
->fcf_conn_rec_list
, list
)
3602 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3603 * @phba: The hba struct for which this call is being executed.
3604 * @dev_grp: The HBA PCI-Device group number.
3606 * This routine sets up the device INIT interface API function jump table
3609 * Returns: 0 - success, -ENODEV - failure.
3612 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3615 case LPFC_PCI_DEV_LP
:
3616 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
3617 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
3618 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
3620 case LPFC_PCI_DEV_OC
:
3621 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
3622 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
3623 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
3626 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3627 "1431 Invalid HBA PCI-device group: 0x%x\n",
3636 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3637 * @phba: pointer to lpfc hba data structure.
3639 * This routine is invoked to set up the driver internal resources before the
3640 * device specific resource setup to support the HBA device it attached to.
3644 * other values - error
3647 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
3650 * Driver resources common to all SLI revisions
3652 atomic_set(&phba
->fast_event_count
, 0);
3653 spin_lock_init(&phba
->hbalock
);
3655 /* Initialize ndlp management spinlock */
3656 spin_lock_init(&phba
->ndlp_lock
);
3658 INIT_LIST_HEAD(&phba
->port_list
);
3659 INIT_LIST_HEAD(&phba
->work_list
);
3660 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
3662 /* Initialize the wait queue head for the kernel thread */
3663 init_waitqueue_head(&phba
->work_waitq
);
3665 /* Initialize the scsi buffer list used by driver for scsi IO */
3666 spin_lock_init(&phba
->scsi_buf_list_lock
);
3667 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
3669 /* Initialize the fabric iocb list */
3670 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
3672 /* Initialize list to save ELS buffers */
3673 INIT_LIST_HEAD(&phba
->elsbuf
);
3675 /* Initialize FCF connection rec list */
3676 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
3682 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3683 * @phba: pointer to lpfc hba data structure.
3685 * This routine is invoked to set up the driver internal resources after the
3686 * device specific resource setup to support the HBA device it attached to.
3690 * other values - error
3693 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
3697 /* Startup the kernel thread for this host adapter. */
3698 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
3699 "lpfc_worker_%d", phba
->brd_no
);
3700 if (IS_ERR(phba
->worker_thread
)) {
3701 error
= PTR_ERR(phba
->worker_thread
);
3709 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3710 * @phba: pointer to lpfc hba data structure.
3712 * This routine is invoked to unset the driver internal resources set up after
3713 * the device specific resource setup for supporting the HBA device it
3717 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
3719 /* Stop kernel worker thread */
3720 kthread_stop(phba
->worker_thread
);
3724 * lpfc_free_iocb_list - Free iocb list.
3725 * @phba: pointer to lpfc hba data structure.
3727 * This routine is invoked to free the driver's IOCB list and memory.
3730 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
3732 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
3734 spin_lock_irq(&phba
->hbalock
);
3735 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
3736 &phba
->lpfc_iocb_list
, list
) {
3737 list_del(&iocbq_entry
->list
);
3739 phba
->total_iocbq_bufs
--;
3741 spin_unlock_irq(&phba
->hbalock
);
3747 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3748 * @phba: pointer to lpfc hba data structure.
3750 * This routine is invoked to allocate and initizlize the driver's IOCB
3751 * list and set up the IOCB tag array accordingly.
3755 * other values - error
3758 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
3760 struct lpfc_iocbq
*iocbq_entry
= NULL
;
3764 /* Initialize and populate the iocb list per host. */
3765 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
3766 for (i
= 0; i
< iocb_count
; i
++) {
3767 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
3768 if (iocbq_entry
== NULL
) {
3769 printk(KERN_ERR
"%s: only allocated %d iocbs of "
3770 "expected %d count. Unloading driver.\n",
3771 __func__
, i
, LPFC_IOCB_LIST_CNT
);
3772 goto out_free_iocbq
;
3775 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
3778 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
3779 "Unloading driver.\n", __func__
);
3780 goto out_free_iocbq
;
3782 iocbq_entry
->sli4_xritag
= NO_XRI
;
3784 spin_lock_irq(&phba
->hbalock
);
3785 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
3786 phba
->total_iocbq_bufs
++;
3787 spin_unlock_irq(&phba
->hbalock
);
3793 lpfc_free_iocb_list(phba
);
3799 * lpfc_free_sgl_list - Free sgl list.
3800 * @phba: pointer to lpfc hba data structure.
3802 * This routine is invoked to free the driver's sgl list and memory.
3805 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
3807 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
3808 LIST_HEAD(sglq_list
);
3811 spin_lock_irq(&phba
->hbalock
);
3812 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
3813 spin_unlock_irq(&phba
->hbalock
);
3815 list_for_each_entry_safe(sglq_entry
, sglq_next
,
3817 list_del(&sglq_entry
->list
);
3818 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
3820 phba
->sli4_hba
.total_sglq_bufs
--;
3822 rc
= lpfc_sli4_remove_all_sgl_pages(phba
);
3824 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3825 "2005 Unable to deregister pages from HBA: %x", rc
);
3827 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
3831 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3832 * @phba: pointer to lpfc hba data structure.
3834 * This routine is invoked to allocate the driver's active sgl memory.
3835 * This array will hold the sglq_entry's for active IOs.
3838 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
3841 size
= sizeof(struct lpfc_sglq
*);
3842 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
3844 phba
->sli4_hba
.lpfc_sglq_active_list
=
3845 kzalloc(size
, GFP_KERNEL
);
3846 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
3852 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3853 * @phba: pointer to lpfc hba data structure.
3855 * This routine is invoked to walk through the array of active sglq entries
3856 * and free all of the resources.
3857 * This is just a place holder for now.
3860 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
3862 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
3866 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3867 * @phba: pointer to lpfc hba data structure.
3869 * This routine is invoked to allocate and initizlize the driver's sgl
3870 * list and set up the sgl xritag tag array accordingly.
3874 * other values - error
3877 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
3879 struct lpfc_sglq
*sglq_entry
= NULL
;
3883 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3884 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3885 "2400 lpfc_init_sgl_list els %d.\n",
3887 /* Initialize and populate the sglq list per host/VF. */
3888 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
3889 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
3891 /* Sanity check on XRI management */
3892 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
3893 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3894 "2562 No room left for SCSI XRI allocation: "
3895 "max_xri=%d, els_xri=%d\n",
3896 phba
->sli4_hba
.max_cfg_param
.max_xri
,
3901 /* Allocate memory for the ELS XRI management array */
3902 phba
->sli4_hba
.lpfc_els_sgl_array
=
3903 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
3906 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
3907 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3908 "2401 Failed to allocate memory for ELS "
3909 "XRI management array of size %d.\n",
3914 /* Keep the SCSI XRI into the XRI management array */
3915 phba
->sli4_hba
.scsi_xri_max
=
3916 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3917 phba
->sli4_hba
.scsi_xri_cnt
= 0;
3919 phba
->sli4_hba
.lpfc_scsi_psb_array
=
3920 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
3921 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
3923 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
3924 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3925 "2563 Failed to allocate memory for SCSI "
3926 "XRI management array of size %d.\n",
3927 phba
->sli4_hba
.scsi_xri_max
);
3928 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
3932 for (i
= 0; i
< els_xri_cnt
; i
++) {
3933 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
3934 if (sglq_entry
== NULL
) {
3935 printk(KERN_ERR
"%s: only allocated %d sgls of "
3936 "expected %d count. Unloading driver.\n",
3937 __func__
, i
, els_xri_cnt
);
3941 sglq_entry
->sli4_xritag
= lpfc_sli4_next_xritag(phba
);
3942 if (sglq_entry
->sli4_xritag
== NO_XRI
) {
3944 printk(KERN_ERR
"%s: failed to allocate XRI.\n"
3945 "Unloading driver.\n", __func__
);
3948 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3949 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
3950 if (sglq_entry
->virt
== NULL
) {
3952 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
3953 "Unloading driver.\n", __func__
);
3956 sglq_entry
->sgl
= sglq_entry
->virt
;
3957 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3959 /* The list order is used by later block SGL registraton */
3960 spin_lock_irq(&phba
->hbalock
);
3961 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3962 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
3963 phba
->sli4_hba
.total_sglq_bufs
++;
3964 spin_unlock_irq(&phba
->hbalock
);
3969 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
3970 lpfc_free_sgl_list(phba
);
3975 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
3976 * @phba: pointer to lpfc hba data structure.
3978 * This routine is invoked to post rpi header templates to the
3979 * HBA consistent with the SLI-4 interface spec. This routine
3980 * posts a PAGE_SIZE memory region to the port to hold up to
3981 * PAGE_SIZE modulo 64 rpi context headers.
3982 * No locks are held here because this is an initialization routine
3983 * called only from probe or lpfc_online when interrupts are not
3984 * enabled and the driver is reinitializing the device.
3988 * ENOMEM - No availble memory
3989 * EIO - The mailbox failed to complete successfully.
3992 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
3997 struct lpfc_rpi_hdr
*rpi_hdr
;
3999 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4002 * Provision an rpi bitmask range for discovery. The total count
4003 * is the difference between max and base + 1.
4005 rpi_count
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4006 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4008 longs
= ((rpi_count
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
4009 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4011 if (!phba
->sli4_hba
.rpi_bmask
)
4014 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
4016 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
4017 "0391 Error during rpi post operation\n");
4018 lpfc_sli4_remove_rpis(phba
);
4026 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4027 * @phba: pointer to lpfc hba data structure.
4029 * This routine is invoked to allocate a single 4KB memory region to
4030 * support rpis and stores them in the phba. This single region
4031 * provides support for up to 64 rpis. The region is used globally
4035 * A valid rpi hdr on success.
4036 * A NULL pointer on any failure.
4038 struct lpfc_rpi_hdr
*
4039 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
4041 uint16_t rpi_limit
, curr_rpi_range
;
4042 struct lpfc_dmabuf
*dmabuf
;
4043 struct lpfc_rpi_hdr
*rpi_hdr
;
4045 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4046 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4048 spin_lock_irq(&phba
->hbalock
);
4049 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
4050 spin_unlock_irq(&phba
->hbalock
);
4053 * The port has a limited number of rpis. The increment here
4054 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4055 * and to allow the full max_rpi range per port.
4057 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
4061 * First allocate the protocol header region for the port. The
4062 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4064 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4068 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4069 LPFC_HDR_TEMPLATE_SIZE
,
4072 if (!dmabuf
->virt
) {
4074 goto err_free_dmabuf
;
4077 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
4078 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
4080 goto err_free_coherent
;
4083 /* Save the rpi header data for cleanup later. */
4084 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
4086 goto err_free_coherent
;
4088 rpi_hdr
->dmabuf
= dmabuf
;
4089 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
4090 rpi_hdr
->page_count
= 1;
4091 spin_lock_irq(&phba
->hbalock
);
4092 rpi_hdr
->start_rpi
= phba
->sli4_hba
.next_rpi
;
4093 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4096 * The next_rpi stores the next module-64 rpi value to post
4097 * in any subsequent rpi memory region postings.
4099 phba
->sli4_hba
.next_rpi
+= LPFC_RPI_HDR_COUNT
;
4100 spin_unlock_irq(&phba
->hbalock
);
4104 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
4105 dmabuf
->virt
, dmabuf
->phys
);
4112 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4113 * @phba: pointer to lpfc hba data structure.
4115 * This routine is invoked to remove all memory resources allocated
4116 * to support rpis. This routine presumes the caller has released all
4117 * rpis consumed by fabric or port logins and is prepared to have
4118 * the header pages removed.
4121 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
4123 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
4125 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
4126 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
4127 list_del(&rpi_hdr
->list
);
4128 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
4129 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
4130 kfree(rpi_hdr
->dmabuf
);
4134 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4135 memset(phba
->sli4_hba
.rpi_bmask
, 0, sizeof(*phba
->sli4_hba
.rpi_bmask
));
4139 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4140 * @pdev: pointer to pci device data structure.
4142 * This routine is invoked to allocate the driver hba data structure for an
4143 * HBA device. If the allocation is successful, the phba reference to the
4144 * PCI device data structure is set.
4147 * pointer to @phba - sucessful
4150 static struct lpfc_hba
*
4151 lpfc_hba_alloc(struct pci_dev
*pdev
)
4153 struct lpfc_hba
*phba
;
4155 /* Allocate memory for HBA structure */
4156 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
4158 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
4162 /* Set reference to PCI device in HBA structure */
4163 phba
->pcidev
= pdev
;
4165 /* Assign an unused board number */
4166 phba
->brd_no
= lpfc_get_instance();
4167 if (phba
->brd_no
< 0) {
4176 * lpfc_hba_free - Free driver hba data structure with a device.
4177 * @phba: pointer to lpfc hba data structure.
4179 * This routine is invoked to free the driver hba data structure with an
4183 lpfc_hba_free(struct lpfc_hba
*phba
)
4185 /* Release the driver assigned board number */
4186 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
4193 * lpfc_create_shost - Create hba physical port with associated scsi host.
4194 * @phba: pointer to lpfc hba data structure.
4196 * This routine is invoked to create HBA physical port and associate a SCSI
4201 * other values - error
4204 lpfc_create_shost(struct lpfc_hba
*phba
)
4206 struct lpfc_vport
*vport
;
4207 struct Scsi_Host
*shost
;
4209 /* Initialize HBA FC structure */
4210 phba
->fc_edtov
= FF_DEF_EDTOV
;
4211 phba
->fc_ratov
= FF_DEF_RATOV
;
4212 phba
->fc_altov
= FF_DEF_ALTOV
;
4213 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
4215 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
4219 shost
= lpfc_shost_from_vport(vport
);
4220 phba
->pport
= vport
;
4221 lpfc_debugfs_initialize(vport
);
4222 /* Put reference to SCSI host to driver's device private data */
4223 pci_set_drvdata(phba
->pcidev
, shost
);
4229 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4230 * @phba: pointer to lpfc hba data structure.
4232 * This routine is invoked to destroy HBA physical port and the associated
4236 lpfc_destroy_shost(struct lpfc_hba
*phba
)
4238 struct lpfc_vport
*vport
= phba
->pport
;
4240 /* Destroy physical port that associated with the SCSI host */
4241 destroy_port(vport
);
4247 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4248 * @phba: pointer to lpfc hba data structure.
4249 * @shost: the shost to be used to detect Block guard settings.
4251 * This routine sets up the local Block guard protocol settings for @shost.
4252 * This routine also allocates memory for debugging bg buffers.
4255 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
4258 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
4259 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4260 "1478 Registering BlockGuard with the "
4262 scsi_host_set_prot(shost
, lpfc_prot_mask
);
4263 scsi_host_set_guard(shost
, lpfc_prot_guard
);
4265 if (!_dump_buf_data
) {
4267 spin_lock_init(&_dump_buf_lock
);
4269 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4270 if (_dump_buf_data
) {
4271 printk(KERN_ERR
"BLKGRD allocated %d pages for "
4272 "_dump_buf_data at 0x%p\n",
4273 (1 << pagecnt
), _dump_buf_data
);
4274 _dump_buf_data_order
= pagecnt
;
4275 memset(_dump_buf_data
, 0,
4276 ((1 << PAGE_SHIFT
) << pagecnt
));
4281 if (!_dump_buf_data_order
)
4282 printk(KERN_ERR
"BLKGRD ERROR unable to allocate "
4283 "memory for hexdump\n");
4285 printk(KERN_ERR
"BLKGRD already allocated _dump_buf_data=0x%p"
4286 "\n", _dump_buf_data
);
4287 if (!_dump_buf_dif
) {
4290 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4291 if (_dump_buf_dif
) {
4292 printk(KERN_ERR
"BLKGRD allocated %d pages for "
4293 "_dump_buf_dif at 0x%p\n",
4294 (1 << pagecnt
), _dump_buf_dif
);
4295 _dump_buf_dif_order
= pagecnt
;
4296 memset(_dump_buf_dif
, 0,
4297 ((1 << PAGE_SHIFT
) << pagecnt
));
4302 if (!_dump_buf_dif_order
)
4303 printk(KERN_ERR
"BLKGRD ERROR unable to allocate "
4304 "memory for hexdump\n");
4306 printk(KERN_ERR
"BLKGRD already allocated _dump_buf_dif=0x%p\n",
4311 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4312 * @phba: pointer to lpfc hba data structure.
4314 * This routine is invoked to perform all the necessary post initialization
4315 * setup for the device.
4318 lpfc_post_init_setup(struct lpfc_hba
*phba
)
4320 struct Scsi_Host
*shost
;
4321 struct lpfc_adapter_event_header adapter_event
;
4323 /* Get the default values for Model Name and Description */
4324 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
4327 * hba setup may have changed the hba_queue_depth so we need to
4328 * adjust the value of can_queue.
4330 shost
= pci_get_drvdata(phba
->pcidev
);
4331 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
4332 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
4333 lpfc_setup_bg(phba
, shost
);
4335 lpfc_host_attrib_init(shost
);
4337 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
4338 spin_lock_irq(shost
->host_lock
);
4339 lpfc_poll_start_timer(phba
);
4340 spin_unlock_irq(shost
->host_lock
);
4343 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4344 "0428 Perform SCSI scan\n");
4345 /* Send board arrival event to upper layer */
4346 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
4347 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
4348 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4349 sizeof(adapter_event
),
4350 (char *) &adapter_event
,
4356 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4357 * @phba: pointer to lpfc hba data structure.
4359 * This routine is invoked to set up the PCI device memory space for device
4360 * with SLI-3 interface spec.
4364 * other values - error
4367 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
4369 struct pci_dev
*pdev
;
4370 unsigned long bar0map_len
, bar2map_len
;
4373 int error
= -ENODEV
;
4375 /* Obtain PCI device reference */
4379 pdev
= phba
->pcidev
;
4381 /* Set the device DMA mask size */
4382 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
4383 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
4386 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4387 * required by each mapping.
4389 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
4390 bar0map_len
= pci_resource_len(pdev
, 0);
4392 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
4393 bar2map_len
= pci_resource_len(pdev
, 2);
4395 /* Map HBA SLIM to a kernel virtual address. */
4396 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
4397 if (!phba
->slim_memmap_p
) {
4398 dev_printk(KERN_ERR
, &pdev
->dev
,
4399 "ioremap failed for SLIM memory.\n");
4403 /* Map HBA Control Registers to a kernel virtual address. */
4404 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
4405 if (!phba
->ctrl_regs_memmap_p
) {
4406 dev_printk(KERN_ERR
, &pdev
->dev
,
4407 "ioremap failed for HBA control registers.\n");
4408 goto out_iounmap_slim
;
4411 /* Allocate memory for SLI-2 structures */
4412 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
4416 if (!phba
->slim2p
.virt
)
4419 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
4420 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
4421 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
4422 phba
->IOCBs
= (phba
->slim2p
.virt
+
4423 offsetof(struct lpfc_sli2_slim
, IOCBs
));
4425 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
4426 lpfc_sli_hbq_size(),
4427 &phba
->hbqslimp
.phys
,
4429 if (!phba
->hbqslimp
.virt
)
4432 hbq_count
= lpfc_sli_hbq_count();
4433 ptr
= phba
->hbqslimp
.virt
;
4434 for (i
= 0; i
< hbq_count
; ++i
) {
4435 phba
->hbqs
[i
].hbq_virt
= ptr
;
4436 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4437 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
4438 sizeof(struct lpfc_hbq_entry
));
4440 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
4441 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
4443 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
4445 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4447 phba
->MBslimaddr
= phba
->slim_memmap_p
;
4448 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
4449 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
4450 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
4451 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
4456 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4457 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4459 iounmap(phba
->ctrl_regs_memmap_p
);
4461 iounmap(phba
->slim_memmap_p
);
4467 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4468 * @phba: pointer to lpfc hba data structure.
4470 * This routine is invoked to unset the PCI device memory space for device
4471 * with SLI-3 interface spec.
4474 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
4476 struct pci_dev
*pdev
;
4478 /* Obtain PCI device reference */
4482 pdev
= phba
->pcidev
;
4484 /* Free coherent DMA memory allocated */
4485 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
4486 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
4487 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4488 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4490 /* I/O memory unmap */
4491 iounmap(phba
->ctrl_regs_memmap_p
);
4492 iounmap(phba
->slim_memmap_p
);
4498 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4499 * @phba: pointer to lpfc hba data structure.
4501 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4502 * done and check status.
4504 * Return 0 if successful, otherwise -ENODEV.
4507 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
4509 struct lpfc_register sta_reg
, uerrlo_reg
, uerrhi_reg
, scratchpad
;
4510 uint32_t onlnreg0
, onlnreg1
;
4511 int i
, port_error
= -ENODEV
;
4513 if (!phba
->sli4_hba
.STAregaddr
)
4516 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4517 for (i
= 0; i
< 3000; i
++) {
4518 sta_reg
.word0
= readl(phba
->sli4_hba
.STAregaddr
);
4519 /* Encounter fatal POST error, break out */
4520 if (bf_get(lpfc_hst_state_perr
, &sta_reg
)) {
4521 port_error
= -ENODEV
;
4524 if (LPFC_POST_STAGE_ARMFW_READY
==
4525 bf_get(lpfc_hst_state_port_status
, &sta_reg
)) {
4533 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4534 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4535 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4536 "dl=x%x, pstatus=x%x\n", sta_reg
.word0
,
4537 bf_get(lpfc_hst_state_perr
, &sta_reg
),
4538 bf_get(lpfc_hst_state_sfi
, &sta_reg
),
4539 bf_get(lpfc_hst_state_nip
, &sta_reg
),
4540 bf_get(lpfc_hst_state_ipc
, &sta_reg
),
4541 bf_get(lpfc_hst_state_xrom
, &sta_reg
),
4542 bf_get(lpfc_hst_state_dl
, &sta_reg
),
4543 bf_get(lpfc_hst_state_port_status
, &sta_reg
));
4545 /* Log device information */
4546 scratchpad
.word0
= readl(phba
->sli4_hba
.SCRATCHPADregaddr
);
4547 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4548 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4549 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4550 bf_get(lpfc_scratchpad_chiptype
, &scratchpad
),
4551 bf_get(lpfc_scratchpad_slirev
, &scratchpad
),
4552 bf_get(lpfc_scratchpad_featurelevel1
, &scratchpad
),
4553 bf_get(lpfc_scratchpad_featurelevel2
, &scratchpad
));
4555 /* With uncoverable error, log the error message and return error */
4556 onlnreg0
= readl(phba
->sli4_hba
.ONLINE0regaddr
);
4557 onlnreg1
= readl(phba
->sli4_hba
.ONLINE1regaddr
);
4558 if ((onlnreg0
!= LPFC_ONLINE_NERR
) || (onlnreg1
!= LPFC_ONLINE_NERR
)) {
4559 uerrlo_reg
.word0
= readl(phba
->sli4_hba
.UERRLOregaddr
);
4560 uerrhi_reg
.word0
= readl(phba
->sli4_hba
.UERRHIregaddr
);
4561 if (uerrlo_reg
.word0
|| uerrhi_reg
.word0
) {
4562 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4563 "1422 HBA Unrecoverable error: "
4564 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4565 "online0_reg=0x%x, online1_reg=0x%x\n",
4566 uerrlo_reg
.word0
, uerrhi_reg
.word0
,
4567 onlnreg0
, onlnreg1
);
4576 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4577 * @phba: pointer to lpfc hba data structure.
4579 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4583 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
)
4585 phba
->sli4_hba
.UERRLOregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4586 LPFC_UERR_STATUS_LO
;
4587 phba
->sli4_hba
.UERRHIregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4588 LPFC_UERR_STATUS_HI
;
4589 phba
->sli4_hba
.ONLINE0regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4591 phba
->sli4_hba
.ONLINE1regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4593 phba
->sli4_hba
.SCRATCHPADregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4598 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4599 * @phba: pointer to lpfc hba data structure.
4601 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4605 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
4608 phba
->sli4_hba
.STAregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4610 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4612 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4614 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4620 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4621 * @phba: pointer to lpfc hba data structure.
4622 * @vf: virtual function number
4624 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4625 * based on the given viftual function number, @vf.
4627 * Return 0 if successful, otherwise -ENODEV.
4630 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
4632 if (vf
> LPFC_VIR_FUNC_MAX
)
4635 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4636 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
4637 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4638 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
4639 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4640 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
4641 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4642 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
4643 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4644 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
4649 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4650 * @phba: pointer to lpfc hba data structure.
4652 * This routine is invoked to create the bootstrap mailbox
4653 * region consistent with the SLI-4 interface spec. This
4654 * routine allocates all memory necessary to communicate
4655 * mailbox commands to the port and sets up all alignment
4656 * needs. No locks are expected to be held when calling
4661 * ENOMEM - could not allocated memory.
4664 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
4667 struct lpfc_dmabuf
*dmabuf
;
4668 struct dma_address
*dma_address
;
4672 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4677 * The bootstrap mailbox region is comprised of 2 parts
4678 * plus an alignment restriction of 16 bytes.
4680 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
4681 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4685 if (!dmabuf
->virt
) {
4689 memset(dmabuf
->virt
, 0, bmbx_size
);
4692 * Initialize the bootstrap mailbox pointers now so that the register
4693 * operations are simple later. The mailbox dma address is required
4694 * to be 16-byte aligned. Also align the virtual memory as each
4695 * maibox is copied into the bmbx mailbox region before issuing the
4696 * command to the port.
4698 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
4699 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
4701 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
4702 LPFC_ALIGN_16_BYTE
);
4703 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
4704 LPFC_ALIGN_16_BYTE
);
4707 * Set the high and low physical addresses now. The SLI4 alignment
4708 * requirement is 16 bytes and the mailbox is posted to the port
4709 * as two 30-bit addresses. The other data is a bit marking whether
4710 * the 30-bit address is the high or low address.
4711 * Upcast bmbx aphys to 64bits so shift instruction compiles
4712 * clean on 32 bit machines.
4714 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
4715 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
4716 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
4717 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
4718 LPFC_BMBX_BIT1_ADDR_HI
);
4720 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
4721 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
4722 LPFC_BMBX_BIT1_ADDR_LO
);
4727 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4728 * @phba: pointer to lpfc hba data structure.
4730 * This routine is invoked to teardown the bootstrap mailbox
4731 * region and release all host resources. This routine requires
4732 * the caller to ensure all mailbox commands recovered, no
4733 * additional mailbox comands are sent, and interrupts are disabled
4734 * before calling this routine.
4738 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
4740 dma_free_coherent(&phba
->pcidev
->dev
,
4741 phba
->sli4_hba
.bmbx
.bmbx_size
,
4742 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
4743 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
4745 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
4746 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
4750 * lpfc_sli4_read_config - Get the config parameters.
4751 * @phba: pointer to lpfc hba data structure.
4753 * This routine is invoked to read the configuration parameters from the HBA.
4754 * The configuration parameters are used to set the base and maximum values
4755 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4756 * allocation for the port.
4760 * ENOMEM - No availble memory
4761 * EIO - The mailbox failed to complete successfully.
4764 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
4767 struct lpfc_mbx_read_config
*rd_config
;
4770 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4772 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4773 "2011 Unable to allocate memory for issuing "
4774 "SLI_CONFIG_SPECIAL mailbox command\n");
4778 lpfc_read_config(phba
, pmb
);
4780 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4781 if (rc
!= MBX_SUCCESS
) {
4782 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4783 "2012 Mailbox failed , mbxCmd x%x "
4784 "READ_CONFIG, mbxStatus x%x\n",
4785 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
4786 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
4789 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
4790 phba
->sli4_hba
.max_cfg_param
.max_xri
=
4791 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
4792 phba
->sli4_hba
.max_cfg_param
.xri_base
=
4793 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
4794 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
4795 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
4796 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
4797 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
4798 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
4799 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
4800 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
4801 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
4802 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
4803 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
4804 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
4805 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
4806 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
4807 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
4808 phba
->sli4_hba
.max_cfg_param
.fcfi_base
=
4809 bf_get(lpfc_mbx_rd_conf_fcfi_base
, rd_config
);
4810 phba
->sli4_hba
.max_cfg_param
.max_eq
=
4811 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
4812 phba
->sli4_hba
.max_cfg_param
.max_rq
=
4813 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
4814 phba
->sli4_hba
.max_cfg_param
.max_wq
=
4815 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
4816 phba
->sli4_hba
.max_cfg_param
.max_cq
=
4817 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
4818 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
4819 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
4820 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
4821 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
4822 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4823 phba
->max_vpi
= phba
->sli4_hba
.max_cfg_param
.max_vpi
;
4824 phba
->max_vports
= phba
->max_vpi
;
4825 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4826 "2003 cfg params XRI(B:%d M:%d), "
4830 "FCFI(B:%d M:%d)\n",
4831 phba
->sli4_hba
.max_cfg_param
.xri_base
,
4832 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4833 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
4834 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
4835 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
4836 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
4837 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
4838 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
4839 phba
->sli4_hba
.max_cfg_param
.fcfi_base
,
4840 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
4842 mempool_free(pmb
, phba
->mbox_mem_pool
);
4844 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4845 if (phba
->cfg_hba_queue_depth
> (phba
->sli4_hba
.max_cfg_param
.max_xri
))
4846 phba
->cfg_hba_queue_depth
=
4847 phba
->sli4_hba
.max_cfg_param
.max_xri
;
4852 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4853 * @phba: pointer to lpfc hba data structure.
4855 * This routine is invoked to setup the host-side endian order to the
4856 * HBA consistent with the SLI-4 interface spec.
4860 * ENOMEM - No availble memory
4861 * EIO - The mailbox failed to complete successfully.
4864 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
4866 LPFC_MBOXQ_t
*mboxq
;
4868 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
4869 HOST_ENDIAN_HIGH_WORD1
};
4871 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4873 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4874 "0492 Unable to allocate memory for issuing "
4875 "SLI_CONFIG_SPECIAL mailbox command\n");
4880 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
4881 * words to contain special data values and no other data.
4883 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4884 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
4885 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4886 if (rc
!= MBX_SUCCESS
) {
4887 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4888 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
4894 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4899 * lpfc_sli4_queue_create - Create all the SLI4 queues
4900 * @phba: pointer to lpfc hba data structure.
4902 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
4903 * operation. For each SLI4 queue type, the parameters such as queue entry
4904 * count (queue depth) shall be taken from the module parameter. For now,
4905 * we just use some constant number as place holder.
4909 * ENOMEM - No availble memory
4910 * EIO - The mailbox failed to complete successfully.
4913 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
4915 struct lpfc_queue
*qdesc
;
4916 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
4917 int cfg_fcp_wq_count
;
4918 int cfg_fcp_eq_count
;
4921 * Sanity check for confiugred queue parameters against the run-time
4925 /* Sanity check on FCP fast-path WQ parameters */
4926 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
4927 if (cfg_fcp_wq_count
>
4928 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
4929 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
4931 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
4932 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4933 "2581 Not enough WQs (%d) from "
4934 "the pci function for supporting "
4936 phba
->sli4_hba
.max_cfg_param
.max_wq
,
4937 phba
->cfg_fcp_wq_count
);
4940 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4941 "2582 Not enough WQs (%d) from the pci "
4942 "function for supporting the requested "
4943 "FCP WQs (%d), the actual FCP WQs can "
4944 "be supported: %d\n",
4945 phba
->sli4_hba
.max_cfg_param
.max_wq
,
4946 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
4948 /* The actual number of FCP work queues adopted */
4949 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
4951 /* Sanity check on FCP fast-path EQ parameters */
4952 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
4953 if (cfg_fcp_eq_count
>
4954 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
4955 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
4957 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
4958 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4959 "2574 Not enough EQs (%d) from the "
4960 "pci function for supporting FCP "
4962 phba
->sli4_hba
.max_cfg_param
.max_eq
,
4963 phba
->cfg_fcp_eq_count
);
4966 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4967 "2575 Not enough EQs (%d) from the pci "
4968 "function for supporting the requested "
4969 "FCP EQs (%d), the actual FCP EQs can "
4970 "be supported: %d\n",
4971 phba
->sli4_hba
.max_cfg_param
.max_eq
,
4972 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
4974 /* It does not make sense to have more EQs than WQs */
4975 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
4976 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4977 "2593 The number of FCP EQs (%d) is more "
4978 "than the number of FCP WQs (%d), take "
4979 "the number of FCP EQs same as than of "
4980 "WQs (%d)\n", cfg_fcp_eq_count
,
4981 phba
->cfg_fcp_wq_count
,
4982 phba
->cfg_fcp_wq_count
);
4983 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
4985 /* The actual number of FCP event queues adopted */
4986 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
4987 /* The overall number of event queues used */
4988 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
4991 * Create Event Queues (EQs)
4994 /* Get EQ depth from module parameter, fake the default for now */
4995 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
4996 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
4998 /* Create slow path event queue */
4999 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5000 phba
->sli4_hba
.eq_ecount
);
5002 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5003 "0496 Failed allocate slow-path EQ\n");
5006 phba
->sli4_hba
.sp_eq
= qdesc
;
5008 /* Create fast-path FCP Event Queue(s) */
5009 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
5010 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5011 if (!phba
->sli4_hba
.fp_eq
) {
5012 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5013 "2576 Failed allocate memory for fast-path "
5014 "EQ record array\n");
5015 goto out_free_sp_eq
;
5017 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5018 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5019 phba
->sli4_hba
.eq_ecount
);
5021 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5022 "0497 Failed allocate fast-path EQ\n");
5023 goto out_free_fp_eq
;
5025 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
5029 * Create Complete Queues (CQs)
5032 /* Get CQ depth from module parameter, fake the default for now */
5033 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
5034 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
5036 /* Create slow-path Mailbox Command Complete Queue */
5037 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5038 phba
->sli4_hba
.cq_ecount
);
5040 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5041 "0500 Failed allocate slow-path mailbox CQ\n");
5042 goto out_free_fp_eq
;
5044 phba
->sli4_hba
.mbx_cq
= qdesc
;
5046 /* Create slow-path ELS Complete Queue */
5047 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5048 phba
->sli4_hba
.cq_ecount
);
5050 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5051 "0501 Failed allocate slow-path ELS CQ\n");
5052 goto out_free_mbx_cq
;
5054 phba
->sli4_hba
.els_cq
= qdesc
;
5056 /* Create slow-path Unsolicited Receive Complete Queue */
5057 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5058 phba
->sli4_hba
.cq_ecount
);
5060 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5061 "0502 Failed allocate slow-path USOL RX CQ\n");
5062 goto out_free_els_cq
;
5064 phba
->sli4_hba
.rxq_cq
= qdesc
;
5066 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5067 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
5068 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5069 if (!phba
->sli4_hba
.fcp_cq
) {
5070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5071 "2577 Failed allocate memory for fast-path "
5072 "CQ record array\n");
5073 goto out_free_rxq_cq
;
5075 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5076 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5077 phba
->sli4_hba
.cq_ecount
);
5079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5080 "0499 Failed allocate fast-path FCP "
5081 "CQ (%d)\n", fcp_cqidx
);
5082 goto out_free_fcp_cq
;
5084 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
5087 /* Create Mailbox Command Queue */
5088 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
5089 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
5091 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
5092 phba
->sli4_hba
.mq_ecount
);
5094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5095 "0505 Failed allocate slow-path MQ\n");
5096 goto out_free_fcp_cq
;
5098 phba
->sli4_hba
.mbx_wq
= qdesc
;
5101 * Create all the Work Queues (WQs)
5103 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
5104 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
5106 /* Create slow-path ELS Work Queue */
5107 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5108 phba
->sli4_hba
.wq_ecount
);
5110 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5111 "0504 Failed allocate slow-path ELS WQ\n");
5112 goto out_free_mbx_wq
;
5114 phba
->sli4_hba
.els_wq
= qdesc
;
5116 /* Create fast-path FCP Work Queue(s) */
5117 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
5118 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
5119 if (!phba
->sli4_hba
.fcp_wq
) {
5120 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5121 "2578 Failed allocate memory for fast-path "
5122 "WQ record array\n");
5123 goto out_free_els_wq
;
5125 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5126 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5127 phba
->sli4_hba
.wq_ecount
);
5129 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5130 "0503 Failed allocate fast-path FCP "
5131 "WQ (%d)\n", fcp_wqidx
);
5132 goto out_free_fcp_wq
;
5134 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
5138 * Create Receive Queue (RQ)
5140 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
5141 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
5143 /* Create Receive Queue for header */
5144 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5145 phba
->sli4_hba
.rq_ecount
);
5147 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5148 "0506 Failed allocate receive HRQ\n");
5149 goto out_free_fcp_wq
;
5151 phba
->sli4_hba
.hdr_rq
= qdesc
;
5153 /* Create Receive Queue for data */
5154 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5155 phba
->sli4_hba
.rq_ecount
);
5157 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5158 "0507 Failed allocate receive DRQ\n");
5159 goto out_free_hdr_rq
;
5161 phba
->sli4_hba
.dat_rq
= qdesc
;
5166 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5167 phba
->sli4_hba
.hdr_rq
= NULL
;
5169 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
5170 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5171 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
5173 kfree(phba
->sli4_hba
.fcp_wq
);
5175 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5176 phba
->sli4_hba
.els_wq
= NULL
;
5178 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5179 phba
->sli4_hba
.mbx_wq
= NULL
;
5181 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
5182 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5183 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
5185 kfree(phba
->sli4_hba
.fcp_cq
);
5187 lpfc_sli4_queue_free(phba
->sli4_hba
.rxq_cq
);
5188 phba
->sli4_hba
.rxq_cq
= NULL
;
5190 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5191 phba
->sli4_hba
.els_cq
= NULL
;
5193 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5194 phba
->sli4_hba
.mbx_cq
= NULL
;
5196 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
5197 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5198 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
5200 kfree(phba
->sli4_hba
.fp_eq
);
5202 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5203 phba
->sli4_hba
.sp_eq
= NULL
;
5209 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5210 * @phba: pointer to lpfc hba data structure.
5212 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5217 * ENOMEM - No availble memory
5218 * EIO - The mailbox failed to complete successfully.
5221 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
5225 /* Release mailbox command work queue */
5226 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5227 phba
->sli4_hba
.mbx_wq
= NULL
;
5229 /* Release ELS work queue */
5230 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5231 phba
->sli4_hba
.els_wq
= NULL
;
5233 /* Release FCP work queue */
5234 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5235 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5236 kfree(phba
->sli4_hba
.fcp_wq
);
5237 phba
->sli4_hba
.fcp_wq
= NULL
;
5239 /* Release unsolicited receive queue */
5240 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5241 phba
->sli4_hba
.hdr_rq
= NULL
;
5242 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
5243 phba
->sli4_hba
.dat_rq
= NULL
;
5245 /* Release unsolicited receive complete queue */
5246 lpfc_sli4_queue_free(phba
->sli4_hba
.rxq_cq
);
5247 phba
->sli4_hba
.rxq_cq
= NULL
;
5249 /* Release ELS complete queue */
5250 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5251 phba
->sli4_hba
.els_cq
= NULL
;
5253 /* Release mailbox command complete queue */
5254 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5255 phba
->sli4_hba
.mbx_cq
= NULL
;
5257 /* Release FCP response complete queue */
5258 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5259 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5260 kfree(phba
->sli4_hba
.fcp_cq
);
5261 phba
->sli4_hba
.fcp_cq
= NULL
;
5263 /* Release fast-path event queue */
5264 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5265 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5266 kfree(phba
->sli4_hba
.fp_eq
);
5267 phba
->sli4_hba
.fp_eq
= NULL
;
5269 /* Release slow-path event queue */
5270 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5271 phba
->sli4_hba
.sp_eq
= NULL
;
5277 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5278 * @phba: pointer to lpfc hba data structure.
5280 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5285 * ENOMEM - No availble memory
5286 * EIO - The mailbox failed to complete successfully.
5289 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
5292 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5293 int fcp_cq_index
= 0;
5296 * Set up Event Queues (EQs)
5299 /* Set up slow-path event queue */
5300 if (!phba
->sli4_hba
.sp_eq
) {
5301 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5302 "0520 Slow-path EQ not allocated\n");
5305 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
5308 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5309 "0521 Failed setup of slow-path EQ: "
5313 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5314 "2583 Slow-path EQ setup: queue-id=%d\n",
5315 phba
->sli4_hba
.sp_eq
->queue_id
);
5317 /* Set up fast-path event queue */
5318 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5319 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
5320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5321 "0522 Fast-path EQ (%d) not "
5322 "allocated\n", fcp_eqidx
);
5323 goto out_destroy_fp_eq
;
5325 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
5326 phba
->cfg_fcp_imax
);
5328 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5329 "0523 Failed setup of fast-path EQ "
5330 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
5331 goto out_destroy_fp_eq
;
5333 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5334 "2584 Fast-path EQ setup: "
5335 "queue[%d]-id=%d\n", fcp_eqidx
,
5336 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
5340 * Set up Complete Queues (CQs)
5343 /* Set up slow-path MBOX Complete Queue as the first CQ */
5344 if (!phba
->sli4_hba
.mbx_cq
) {
5345 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5346 "0528 Mailbox CQ not allocated\n");
5347 goto out_destroy_fp_eq
;
5349 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
5350 LPFC_MCQ
, LPFC_MBOX
);
5352 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5353 "0529 Failed setup of slow-path mailbox CQ: "
5355 goto out_destroy_fp_eq
;
5357 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5358 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5359 phba
->sli4_hba
.mbx_cq
->queue_id
,
5360 phba
->sli4_hba
.sp_eq
->queue_id
);
5362 /* Set up slow-path ELS Complete Queue */
5363 if (!phba
->sli4_hba
.els_cq
) {
5364 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5365 "0530 ELS CQ not allocated\n");
5366 goto out_destroy_mbx_cq
;
5368 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
5369 LPFC_WCQ
, LPFC_ELS
);
5371 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5372 "0531 Failed setup of slow-path ELS CQ: "
5374 goto out_destroy_mbx_cq
;
5376 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5377 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5378 phba
->sli4_hba
.els_cq
->queue_id
,
5379 phba
->sli4_hba
.sp_eq
->queue_id
);
5381 /* Set up slow-path Unsolicited Receive Complete Queue */
5382 if (!phba
->sli4_hba
.rxq_cq
) {
5383 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5384 "0532 USOL RX CQ not allocated\n");
5385 goto out_destroy_els_cq
;
5387 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.rxq_cq
, phba
->sli4_hba
.sp_eq
,
5388 LPFC_RCQ
, LPFC_USOL
);
5390 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5391 "0533 Failed setup of slow-path USOL RX CQ: "
5393 goto out_destroy_els_cq
;
5395 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5396 "2587 USL CQ setup: cq-id=%d, parent eq-id=%d\n",
5397 phba
->sli4_hba
.rxq_cq
->queue_id
,
5398 phba
->sli4_hba
.sp_eq
->queue_id
);
5400 /* Set up fast-path FCP Response Complete Queue */
5401 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5402 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
5403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5404 "0526 Fast-path FCP CQ (%d) not "
5405 "allocated\n", fcp_cqidx
);
5406 goto out_destroy_fcp_cq
;
5408 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
5409 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
5410 LPFC_WCQ
, LPFC_FCP
);
5412 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5413 "0527 Failed setup of fast-path FCP "
5414 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
5415 goto out_destroy_fcp_cq
;
5417 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5418 "2588 FCP CQ setup: cq[%d]-id=%d, "
5419 "parent eq[%d]-id=%d\n",
5421 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
5423 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
);
5427 * Set up all the Work Queues (WQs)
5430 /* Set up Mailbox Command Queue */
5431 if (!phba
->sli4_hba
.mbx_wq
) {
5432 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5433 "0538 Slow-path MQ not allocated\n");
5434 goto out_destroy_fcp_cq
;
5436 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
5437 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
5439 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5440 "0539 Failed setup of slow-path MQ: "
5442 goto out_destroy_fcp_cq
;
5444 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5445 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5446 phba
->sli4_hba
.mbx_wq
->queue_id
,
5447 phba
->sli4_hba
.mbx_cq
->queue_id
);
5449 /* Set up slow-path ELS Work Queue */
5450 if (!phba
->sli4_hba
.els_wq
) {
5451 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5452 "0536 Slow-path ELS WQ not allocated\n");
5453 goto out_destroy_mbx_wq
;
5455 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
5456 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
5458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5459 "0537 Failed setup of slow-path ELS WQ: "
5461 goto out_destroy_mbx_wq
;
5463 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5464 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5465 phba
->sli4_hba
.els_wq
->queue_id
,
5466 phba
->sli4_hba
.els_cq
->queue_id
);
5468 /* Set up fast-path FCP Work Queue */
5469 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5470 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
5471 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5472 "0534 Fast-path FCP WQ (%d) not "
5473 "allocated\n", fcp_wqidx
);
5474 goto out_destroy_fcp_wq
;
5476 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
5477 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
5480 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5481 "0535 Failed setup of fast-path FCP "
5482 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
5483 goto out_destroy_fcp_wq
;
5485 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5486 "2591 FCP WQ setup: wq[%d]-id=%d, "
5487 "parent cq[%d]-id=%d\n",
5489 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
5491 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
5492 /* Round robin FCP Work Queue's Completion Queue assignment */
5493 fcp_cq_index
= ((fcp_cq_index
+ 1) % phba
->cfg_fcp_eq_count
);
5497 * Create Receive Queue (RQ)
5499 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
5500 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5501 "0540 Receive Queue not allocated\n");
5502 goto out_destroy_fcp_wq
;
5504 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
5505 phba
->sli4_hba
.rxq_cq
, LPFC_USOL
);
5507 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5508 "0541 Failed setup of Receive Queue: "
5510 goto out_destroy_fcp_wq
;
5512 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5513 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5514 "parent cq-id=%d\n",
5515 phba
->sli4_hba
.hdr_rq
->queue_id
,
5516 phba
->sli4_hba
.dat_rq
->queue_id
,
5517 phba
->sli4_hba
.rxq_cq
->queue_id
);
5521 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
5522 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5523 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5525 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5527 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
5528 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5529 lpfc_cq_destroy(phba
, phba
->sli4_hba
.rxq_cq
);
5531 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5533 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5535 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
5536 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5537 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5543 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5544 * @phba: pointer to lpfc hba data structure.
5546 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5551 * ENOMEM - No availble memory
5552 * EIO - The mailbox failed to complete successfully.
5555 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
5559 /* Unset mailbox command work queue */
5560 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5561 /* Unset ELS work queue */
5562 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5563 /* Unset unsolicited receive queue */
5564 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
5565 /* Unset FCP work queue */
5566 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5567 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5568 /* Unset mailbox command complete queue */
5569 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5570 /* Unset ELS complete queue */
5571 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5572 /* Unset unsolicited receive complete queue */
5573 lpfc_cq_destroy(phba
, phba
->sli4_hba
.rxq_cq
);
5574 /* Unset FCP response complete queue */
5575 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5576 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5577 /* Unset fast-path event queue */
5578 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5579 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5580 /* Unset slow-path event queue */
5581 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5585 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5586 * @phba: pointer to lpfc hba data structure.
5588 * This routine is invoked to allocate and set up a pool of completion queue
5589 * events. The body of the completion queue event is a completion queue entry
5590 * CQE. For now, this pool is used for the interrupt service routine to queue
5591 * the following HBA completion queue events for the worker thread to process:
5592 * - Mailbox asynchronous events
5593 * - Receive queue completion unsolicited events
5594 * Later, this can be used for all the slow-path events.
5598 * -ENOMEM - No availble memory
5601 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
5603 struct lpfc_cq_event
*cq_event
;
5606 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
5607 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
5609 goto out_pool_create_fail
;
5610 list_add_tail(&cq_event
->list
,
5611 &phba
->sli4_hba
.sp_cqe_event_pool
);
5615 out_pool_create_fail
:
5616 lpfc_sli4_cq_event_pool_destroy(phba
);
5621 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5622 * @phba: pointer to lpfc hba data structure.
5624 * This routine is invoked to free the pool of completion queue events at
5625 * driver unload time. Note that, it is the responsibility of the driver
5626 * cleanup routine to free all the outstanding completion-queue events
5627 * allocated from this pool back into the pool before invoking this routine
5628 * to destroy the pool.
5631 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
5633 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
5635 list_for_each_entry_safe(cq_event
, next_cq_event
,
5636 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
5637 list_del(&cq_event
->list
);
5643 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5644 * @phba: pointer to lpfc hba data structure.
5646 * This routine is the lock free version of the API invoked to allocate a
5647 * completion-queue event from the free pool.
5649 * Return: Pointer to the newly allocated completion-queue event if successful
5652 struct lpfc_cq_event
*
5653 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5655 struct lpfc_cq_event
*cq_event
= NULL
;
5657 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
5658 struct lpfc_cq_event
, list
);
5663 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5664 * @phba: pointer to lpfc hba data structure.
5666 * This routine is the lock version of the API invoked to allocate a
5667 * completion-queue event from the free pool.
5669 * Return: Pointer to the newly allocated completion-queue event if successful
5672 struct lpfc_cq_event
*
5673 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5675 struct lpfc_cq_event
*cq_event
;
5676 unsigned long iflags
;
5678 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5679 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
5680 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5685 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5686 * @phba: pointer to lpfc hba data structure.
5687 * @cq_event: pointer to the completion queue event to be freed.
5689 * This routine is the lock free version of the API invoked to release a
5690 * completion-queue event back into the free pool.
5693 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5694 struct lpfc_cq_event
*cq_event
)
5696 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
5700 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5701 * @phba: pointer to lpfc hba data structure.
5702 * @cq_event: pointer to the completion queue event to be freed.
5704 * This routine is the lock version of the API invoked to release a
5705 * completion-queue event back into the free pool.
5708 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5709 struct lpfc_cq_event
*cq_event
)
5711 unsigned long iflags
;
5712 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5713 __lpfc_sli4_cq_event_release(phba
, cq_event
);
5714 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5718 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5719 * @phba: pointer to lpfc hba data structure.
5721 * This routine is to free all the pending completion-queue events to the
5722 * back into the free pool for device reset.
5725 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
5728 struct lpfc_cq_event
*cqe
;
5729 unsigned long iflags
;
5731 /* Retrieve all the pending WCQEs from pending WCQE lists */
5732 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5733 /* Pending FCP XRI abort events */
5734 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
5736 /* Pending ELS XRI abort events */
5737 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
5739 /* Pending asynnc events */
5740 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
5742 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5744 while (!list_empty(&cqelist
)) {
5745 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
5746 lpfc_sli4_cq_event_release(phba
, cqe
);
5751 * lpfc_pci_function_reset - Reset pci function.
5752 * @phba: pointer to lpfc hba data structure.
5754 * This routine is invoked to request a PCI function reset. It will destroys
5755 * all resources assigned to the PCI function which originates this request.
5759 * ENOMEM - No availble memory
5760 * EIO - The mailbox failed to complete successfully.
5763 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
5765 LPFC_MBOXQ_t
*mboxq
;
5767 uint32_t shdr_status
, shdr_add_status
;
5768 union lpfc_sli4_cfg_shdr
*shdr
;
5770 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5772 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5773 "0494 Unable to allocate memory for issuing "
5774 "SLI_FUNCTION_RESET mailbox command\n");
5778 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5779 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5780 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
5781 LPFC_SLI4_MBX_EMBED
);
5782 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5783 shdr
= (union lpfc_sli4_cfg_shdr
*)
5784 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5785 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5786 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5787 if (rc
!= MBX_TIMEOUT
)
5788 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5789 if (shdr_status
|| shdr_add_status
|| rc
) {
5790 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5791 "0495 SLI_FUNCTION_RESET mailbox failed with "
5792 "status x%x add_status x%x, mbx status x%x\n",
5793 shdr_status
, shdr_add_status
, rc
);
5800 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5801 * @phba: pointer to lpfc hba data structure.
5802 * @cnt: number of nop mailbox commands to send.
5804 * This routine is invoked to send a number @cnt of NOP mailbox command and
5805 * wait for each command to complete.
5807 * Return: the number of NOP mailbox command completed.
5810 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
5812 LPFC_MBOXQ_t
*mboxq
;
5813 int length
, cmdsent
;
5816 uint32_t shdr_status
, shdr_add_status
;
5817 union lpfc_sli4_cfg_shdr
*shdr
;
5820 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5821 "2518 Requested to send 0 NOP mailbox cmd\n");
5825 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5827 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5828 "2519 Unable to allocate memory for issuing "
5829 "NOP mailbox command\n");
5833 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5834 length
= (sizeof(struct lpfc_mbx_nop
) -
5835 sizeof(struct lpfc_sli4_cfg_mhdr
));
5836 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5837 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
5839 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5840 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
5841 if (!phba
->sli4_hba
.intr_enable
)
5842 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5844 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
5845 if (rc
== MBX_TIMEOUT
)
5847 /* Check return status */
5848 shdr
= (union lpfc_sli4_cfg_shdr
*)
5849 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5850 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5851 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
5853 if (shdr_status
|| shdr_add_status
|| rc
) {
5854 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5855 "2520 NOP mailbox command failed "
5856 "status x%x add_status x%x mbx "
5857 "status x%x\n", shdr_status
,
5858 shdr_add_status
, rc
);
5863 if (rc
!= MBX_TIMEOUT
)
5864 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5870 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5871 * @phba: pointer to lpfc hba data structure.
5874 * This routine is invoked to unregister a FCFI from device.
5877 lpfc_sli4_fcfi_unreg(struct lpfc_hba
*phba
, uint16_t fcfi
)
5882 unsigned long flags
;
5884 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5889 lpfc_unreg_fcfi(mbox
, fcfi
);
5891 if (!phba
->sli4_hba
.intr_enable
)
5892 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5894 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5895 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5897 if (rc
!= MBX_TIMEOUT
)
5898 mempool_free(mbox
, phba
->mbox_mem_pool
);
5899 if (rc
!= MBX_SUCCESS
)
5900 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5901 "2517 Unregister FCFI command failed "
5902 "status %d, mbxStatus x%x\n", rc
,
5903 bf_get(lpfc_mqe_status
, &mbox
->u
.mqe
));
5905 spin_lock_irqsave(&phba
->hbalock
, flags
);
5906 /* Mark the FCFI is no longer registered */
5907 phba
->fcf
.fcf_flag
&=
5908 ~(FCF_AVAILABLE
| FCF_REGISTERED
| FCF_DISCOVERED
);
5909 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
5914 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
5915 * @phba: pointer to lpfc hba data structure.
5917 * This routine is invoked to set up the PCI device memory space for device
5918 * with SLI-4 interface spec.
5922 * other values - error
5925 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
5927 struct pci_dev
*pdev
;
5928 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
5929 int error
= -ENODEV
;
5931 /* Obtain PCI device reference */
5935 pdev
= phba
->pcidev
;
5937 /* Set the device DMA mask size */
5938 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
5939 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
5942 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
5943 * number of bytes required by each mapping. They are actually
5944 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
5946 phba
->pci_bar0_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR0
);
5947 bar0map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR0
);
5949 phba
->pci_bar1_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR1
);
5950 bar1map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR1
);
5952 phba
->pci_bar2_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR2
);
5953 bar2map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR2
);
5955 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
5956 phba
->sli4_hba
.conf_regs_memmap_p
=
5957 ioremap(phba
->pci_bar0_map
, bar0map_len
);
5958 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
5959 dev_printk(KERN_ERR
, &pdev
->dev
,
5960 "ioremap failed for SLI4 PCI config registers.\n");
5964 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
5965 phba
->sli4_hba
.ctrl_regs_memmap_p
=
5966 ioremap(phba
->pci_bar1_map
, bar1map_len
);
5967 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
5968 dev_printk(KERN_ERR
, &pdev
->dev
,
5969 "ioremap failed for SLI4 HBA control registers.\n");
5970 goto out_iounmap_conf
;
5973 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
5974 phba
->sli4_hba
.drbl_regs_memmap_p
=
5975 ioremap(phba
->pci_bar2_map
, bar2map_len
);
5976 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
5977 dev_printk(KERN_ERR
, &pdev
->dev
,
5978 "ioremap failed for SLI4 HBA doorbell registers.\n");
5979 goto out_iounmap_ctrl
;
5982 /* Set up BAR0 PCI config space register memory map */
5983 lpfc_sli4_bar0_register_memmap(phba
);
5985 /* Set up BAR1 register memory map */
5986 lpfc_sli4_bar1_register_memmap(phba
);
5988 /* Set up BAR2 register memory map */
5989 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
5991 goto out_iounmap_all
;
5996 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
5998 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6000 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6006 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6007 * @phba: pointer to lpfc hba data structure.
6009 * This routine is invoked to unset the PCI device memory space for device
6010 * with SLI-4 interface spec.
6013 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
6015 struct pci_dev
*pdev
;
6017 /* Obtain PCI device reference */
6021 pdev
= phba
->pcidev
;
6023 /* Free coherent DMA memory allocated */
6025 /* Unmap I/O memory space */
6026 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6027 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6028 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6034 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6035 * @phba: pointer to lpfc hba data structure.
6037 * This routine is invoked to enable the MSI-X interrupt vectors to device
6038 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6039 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6040 * invoked, enables either all or nothing, depending on the current
6041 * availability of PCI vector resources. The device driver is responsible
6042 * for calling the individual request_irq() to register each MSI-X vector
6043 * with a interrupt handler, which is done in this function. Note that
6044 * later when device is unloading, the driver should always call free_irq()
6045 * on all MSI-X vectors it has done request_irq() on before calling
6046 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6047 * will be left with MSI-X enabled and leaks its vectors.
6051 * other values - error
6054 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
6059 /* Set up MSI-X multi-message vectors */
6060 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6061 phba
->msix_entries
[i
].entry
= i
;
6063 /* Configure MSI-X capability structure */
6064 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
6065 ARRAY_SIZE(phba
->msix_entries
));
6067 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6068 "0420 PCI enable MSI-X failed (%d)\n", rc
);
6071 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6072 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6073 "0477 MSI-X entry[%d]: vector=x%x "
6075 phba
->msix_entries
[i
].vector
,
6076 phba
->msix_entries
[i
].entry
);
6078 * Assign MSI-X vectors to interrupt handlers
6081 /* vector-0 is associated to slow-path handler */
6082 rc
= request_irq(phba
->msix_entries
[0].vector
,
6083 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
6084 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6086 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6087 "0421 MSI-X slow-path request_irq failed "
6092 /* vector-1 is associated to fast-path handler */
6093 rc
= request_irq(phba
->msix_entries
[1].vector
,
6094 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
6095 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
6098 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6099 "0429 MSI-X fast-path request_irq failed "
6105 * Configure HBA MSI-X attention conditions to messages
6107 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6111 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6112 "0474 Unable to allocate memory for issuing "
6113 "MBOX_CONFIG_MSI command\n");
6116 rc
= lpfc_config_msi(phba
, pmb
);
6119 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6120 if (rc
!= MBX_SUCCESS
) {
6121 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
6122 "0351 Config MSI mailbox command failed, "
6123 "mbxCmd x%x, mbxStatus x%x\n",
6124 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
6128 /* Free memory allocated for mailbox command */
6129 mempool_free(pmb
, phba
->mbox_mem_pool
);
6133 /* Free memory allocated for mailbox command */
6134 mempool_free(pmb
, phba
->mbox_mem_pool
);
6137 /* free the irq already requested */
6138 free_irq(phba
->msix_entries
[1].vector
, phba
);
6141 /* free the irq already requested */
6142 free_irq(phba
->msix_entries
[0].vector
, phba
);
6145 /* Unconfigure MSI-X capability structure */
6146 pci_disable_msix(phba
->pcidev
);
6151 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6152 * @phba: pointer to lpfc hba data structure.
6154 * This routine is invoked to release the MSI-X vectors and then disable the
6155 * MSI-X interrupt mode to device with SLI-3 interface spec.
6158 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
6162 /* Free up MSI-X multi-message vectors */
6163 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6164 free_irq(phba
->msix_entries
[i
].vector
, phba
);
6166 pci_disable_msix(phba
->pcidev
);
6172 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6173 * @phba: pointer to lpfc hba data structure.
6175 * This routine is invoked to enable the MSI interrupt mode to device with
6176 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6177 * enable the MSI vector. The device driver is responsible for calling the
6178 * request_irq() to register MSI vector with a interrupt the handler, which
6179 * is done in this function.
6183 * other values - error
6186 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
6190 rc
= pci_enable_msi(phba
->pcidev
);
6192 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6193 "0462 PCI enable MSI mode success.\n");
6195 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6196 "0471 PCI enable MSI mode failed (%d)\n", rc
);
6200 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6201 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6203 pci_disable_msi(phba
->pcidev
);
6204 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6205 "0478 MSI request_irq failed (%d)\n", rc
);
6211 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6212 * @phba: pointer to lpfc hba data structure.
6214 * This routine is invoked to disable the MSI interrupt mode to device with
6215 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6216 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6217 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6221 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
6223 free_irq(phba
->pcidev
->irq
, phba
);
6224 pci_disable_msi(phba
->pcidev
);
6229 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6230 * @phba: pointer to lpfc hba data structure.
6232 * This routine is invoked to enable device interrupt and associate driver's
6233 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6234 * spec. Depends on the interrupt mode configured to the driver, the driver
6235 * will try to fallback from the configured interrupt mode to an interrupt
6236 * mode which is supported by the platform, kernel, and device in the order
6238 * MSI-X -> MSI -> IRQ.
6242 * other values - error
6245 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6247 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6250 if (cfg_mode
== 2) {
6251 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6252 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
6254 /* Now, try to enable MSI-X interrupt mode */
6255 retval
= lpfc_sli_enable_msix(phba
);
6257 /* Indicate initialization to MSI-X mode */
6258 phba
->intr_type
= MSIX
;
6264 /* Fallback to MSI if MSI-X initialization failed */
6265 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6266 retval
= lpfc_sli_enable_msi(phba
);
6268 /* Indicate initialization to MSI mode */
6269 phba
->intr_type
= MSI
;
6274 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6275 if (phba
->intr_type
== NONE
) {
6276 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6277 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6279 /* Indicate initialization to INTx mode */
6280 phba
->intr_type
= INTx
;
6288 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6289 * @phba: pointer to lpfc hba data structure.
6291 * This routine is invoked to disable device interrupt and disassociate the
6292 * driver's interrupt handler(s) from interrupt vector(s) to device with
6293 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6294 * release the interrupt vector(s) for the message signaled interrupt.
6297 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
6299 /* Disable the currently initialized interrupt mode */
6300 if (phba
->intr_type
== MSIX
)
6301 lpfc_sli_disable_msix(phba
);
6302 else if (phba
->intr_type
== MSI
)
6303 lpfc_sli_disable_msi(phba
);
6304 else if (phba
->intr_type
== INTx
)
6305 free_irq(phba
->pcidev
->irq
, phba
);
6307 /* Reset interrupt management states */
6308 phba
->intr_type
= NONE
;
6309 phba
->sli
.slistat
.sli_intr
= 0;
6315 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6316 * @phba: pointer to lpfc hba data structure.
6318 * This routine is invoked to enable the MSI-X interrupt vectors to device
6319 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6320 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6321 * enables either all or nothing, depending on the current availability of
6322 * PCI vector resources. The device driver is responsible for calling the
6323 * individual request_irq() to register each MSI-X vector with a interrupt
6324 * handler, which is done in this function. Note that later when device is
6325 * unloading, the driver should always call free_irq() on all MSI-X vectors
6326 * it has done request_irq() on before calling pci_disable_msix(). Failure
6327 * to do so results in a BUG_ON() and a device will be left with MSI-X
6328 * enabled and leaks its vectors.
6332 * other values - error
6335 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
6339 /* Set up MSI-X multi-message vectors */
6340 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6341 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
6343 /* Configure MSI-X capability structure */
6344 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
6345 phba
->sli4_hba
.cfg_eqn
);
6347 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6348 "0484 PCI enable MSI-X failed (%d)\n", rc
);
6351 /* Log MSI-X vector assignment */
6352 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6353 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6354 "0489 MSI-X entry[%d]: vector=x%x "
6355 "message=%d\n", index
,
6356 phba
->sli4_hba
.msix_entries
[index
].vector
,
6357 phba
->sli4_hba
.msix_entries
[index
].entry
);
6359 * Assign MSI-X vectors to interrupt handlers
6362 /* The first vector must associated to slow-path handler for MQ */
6363 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
6364 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
6365 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6367 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6368 "0485 MSI-X slow-path request_irq failed "
6373 /* The rest of the vector(s) are associated to fast-path handler(s) */
6374 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++) {
6375 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
6376 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
6377 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6378 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
6379 LPFC_FP_DRIVER_HANDLER_NAME
,
6380 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6382 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6383 "0486 MSI-X fast-path (%d) "
6384 "request_irq failed (%d)\n", index
, rc
);
6392 /* free the irq already requested */
6393 for (--index
; index
>= 1; index
--)
6394 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
6395 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6397 /* free the irq already requested */
6398 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6401 /* Unconfigure MSI-X capability structure */
6402 pci_disable_msix(phba
->pcidev
);
6407 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6408 * @phba: pointer to lpfc hba data structure.
6410 * This routine is invoked to release the MSI-X vectors and then disable the
6411 * MSI-X interrupt mode to device with SLI-4 interface spec.
6414 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
6418 /* Free up MSI-X multi-message vectors */
6419 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6421 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6422 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6423 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6425 pci_disable_msix(phba
->pcidev
);
6431 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6432 * @phba: pointer to lpfc hba data structure.
6434 * This routine is invoked to enable the MSI interrupt mode to device with
6435 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6436 * to enable the MSI vector. The device driver is responsible for calling
6437 * the request_irq() to register MSI vector with a interrupt the handler,
6438 * which is done in this function.
6442 * other values - error
6445 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
6449 rc
= pci_enable_msi(phba
->pcidev
);
6451 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6452 "0487 PCI enable MSI mode success.\n");
6454 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6455 "0488 PCI enable MSI mode failed (%d)\n", rc
);
6459 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6460 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6462 pci_disable_msi(phba
->pcidev
);
6463 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6464 "0490 MSI request_irq failed (%d)\n", rc
);
6467 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
6468 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6469 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6476 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6477 * @phba: pointer to lpfc hba data structure.
6479 * This routine is invoked to disable the MSI interrupt mode to device with
6480 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6481 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6482 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6486 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
6488 free_irq(phba
->pcidev
->irq
, phba
);
6489 pci_disable_msi(phba
->pcidev
);
6494 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6495 * @phba: pointer to lpfc hba data structure.
6497 * This routine is invoked to enable device interrupt and associate driver's
6498 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6499 * interface spec. Depends on the interrupt mode configured to the driver,
6500 * the driver will try to fallback from the configured interrupt mode to an
6501 * interrupt mode which is supported by the platform, kernel, and device in
6503 * MSI-X -> MSI -> IRQ.
6507 * other values - error
6510 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6512 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6515 if (cfg_mode
== 2) {
6516 /* Preparation before conf_msi mbox cmd */
6519 /* Now, try to enable MSI-X interrupt mode */
6520 retval
= lpfc_sli4_enable_msix(phba
);
6522 /* Indicate initialization to MSI-X mode */
6523 phba
->intr_type
= MSIX
;
6529 /* Fallback to MSI if MSI-X initialization failed */
6530 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6531 retval
= lpfc_sli4_enable_msi(phba
);
6533 /* Indicate initialization to MSI mode */
6534 phba
->intr_type
= MSI
;
6539 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6540 if (phba
->intr_type
== NONE
) {
6541 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6542 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6544 /* Indicate initialization to INTx mode */
6545 phba
->intr_type
= INTx
;
6547 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
6549 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6550 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6558 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6559 * @phba: pointer to lpfc hba data structure.
6561 * This routine is invoked to disable device interrupt and disassociate
6562 * the driver's interrupt handler(s) from interrupt vector(s) to device
6563 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6564 * will release the interrupt vector(s) for the message signaled interrupt.
6567 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
6569 /* Disable the currently initialized interrupt mode */
6570 if (phba
->intr_type
== MSIX
)
6571 lpfc_sli4_disable_msix(phba
);
6572 else if (phba
->intr_type
== MSI
)
6573 lpfc_sli4_disable_msi(phba
);
6574 else if (phba
->intr_type
== INTx
)
6575 free_irq(phba
->pcidev
->irq
, phba
);
6577 /* Reset interrupt management states */
6578 phba
->intr_type
= NONE
;
6579 phba
->sli
.slistat
.sli_intr
= 0;
6585 * lpfc_unset_hba - Unset SLI3 hba device initialization
6586 * @phba: pointer to lpfc hba data structure.
6588 * This routine is invoked to unset the HBA device initialization steps to
6589 * a device with SLI-3 interface spec.
6592 lpfc_unset_hba(struct lpfc_hba
*phba
)
6594 struct lpfc_vport
*vport
= phba
->pport
;
6595 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6597 spin_lock_irq(shost
->host_lock
);
6598 vport
->load_flag
|= FC_UNLOADING
;
6599 spin_unlock_irq(shost
->host_lock
);
6601 lpfc_stop_hba_timers(phba
);
6603 phba
->pport
->work_port_events
= 0;
6605 lpfc_sli_hba_down(phba
);
6607 lpfc_sli_brdrestart(phba
);
6609 lpfc_sli_disable_intr(phba
);
6615 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6616 * @phba: pointer to lpfc hba data structure.
6618 * This routine is invoked to unset the HBA device initialization steps to
6619 * a device with SLI-4 interface spec.
6622 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
6624 struct lpfc_vport
*vport
= phba
->pport
;
6625 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6627 spin_lock_irq(shost
->host_lock
);
6628 vport
->load_flag
|= FC_UNLOADING
;
6629 spin_unlock_irq(shost
->host_lock
);
6631 phba
->pport
->work_port_events
= 0;
6633 lpfc_sli4_hba_down(phba
);
6635 lpfc_sli4_disable_intr(phba
);
6641 * lpfc_sli4_hba_unset - Unset the fcoe hba
6642 * @phba: Pointer to HBA context object.
6644 * This function is called in the SLI4 code path to reset the HBA's FCoE
6645 * function. The caller is not required to hold any lock. This routine
6646 * issues PCI function reset mailbox command to reset the FCoE function.
6647 * At the end of the function, it calls lpfc_hba_down_post function to
6648 * free any pending commands.
6651 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
6654 LPFC_MBOXQ_t
*mboxq
;
6656 lpfc_stop_hba_timers(phba
);
6657 phba
->sli4_hba
.intr_enable
= 0;
6660 * Gracefully wait out the potential current outstanding asynchronous
6664 /* First, block any pending async mailbox command from posted */
6665 spin_lock_irq(&phba
->hbalock
);
6666 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
6667 spin_unlock_irq(&phba
->hbalock
);
6668 /* Now, trying to wait it out if we can */
6669 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6671 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
6674 /* Forcefully release the outstanding mailbox command if timed out */
6675 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6676 spin_lock_irq(&phba
->hbalock
);
6677 mboxq
= phba
->sli
.mbox_active
;
6678 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
6679 __lpfc_mbox_cmpl_put(phba
, mboxq
);
6680 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6681 phba
->sli
.mbox_active
= NULL
;
6682 spin_unlock_irq(&phba
->hbalock
);
6685 /* Tear down the queues in the HBA */
6686 lpfc_sli4_queue_unset(phba
);
6688 /* Disable PCI subsystem interrupt */
6689 lpfc_sli4_disable_intr(phba
);
6691 /* Stop kthread signal shall trigger work_done one more time */
6692 kthread_stop(phba
->worker_thread
);
6694 /* Stop the SLI4 device port */
6695 phba
->pport
->work_port_events
= 0;
6699 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6700 * @pdev: pointer to PCI device
6701 * @pid: pointer to PCI device identifier
6703 * This routine is to be called to attach a device with SLI-3 interface spec
6704 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6705 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6706 * information of the device and driver to see if the driver state that it can
6707 * support this kind of device. If the match is successful, the driver core
6708 * invokes this routine. If this routine determines it can claim the HBA, it
6709 * does all the initialization that it needs to do to handle the HBA properly.
6712 * 0 - driver can claim the device
6713 * negative value - driver can not claim the device
6715 static int __devinit
6716 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
6718 struct lpfc_hba
*phba
;
6719 struct lpfc_vport
*vport
= NULL
;
6721 uint32_t cfg_mode
, intr_mode
;
6723 /* Allocate memory for HBA structure */
6724 phba
= lpfc_hba_alloc(pdev
);
6728 /* Perform generic PCI device enabling operation */
6729 error
= lpfc_enable_pci_dev(phba
);
6731 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6732 "1401 Failed to enable pci device.\n");
6736 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6737 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
6739 goto out_disable_pci_dev
;
6741 /* Set up SLI-3 specific device PCI memory space */
6742 error
= lpfc_sli_pci_mem_setup(phba
);
6744 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6745 "1402 Failed to set up pci memory space.\n");
6746 goto out_disable_pci_dev
;
6749 /* Set up phase-1 common device driver resources */
6750 error
= lpfc_setup_driver_resource_phase1(phba
);
6752 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6753 "1403 Failed to set up driver resource.\n");
6754 goto out_unset_pci_mem_s3
;
6757 /* Set up SLI-3 specific device driver resources */
6758 error
= lpfc_sli_driver_resource_setup(phba
);
6760 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6761 "1404 Failed to set up driver resource.\n");
6762 goto out_unset_pci_mem_s3
;
6765 /* Initialize and populate the iocb list per host */
6766 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
6768 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6769 "1405 Failed to initialize iocb list.\n");
6770 goto out_unset_driver_resource_s3
;
6773 /* Set up common device driver resources */
6774 error
= lpfc_setup_driver_resource_phase2(phba
);
6776 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6777 "1406 Failed to set up driver resource.\n");
6778 goto out_free_iocb_list
;
6781 /* Create SCSI host to the physical port */
6782 error
= lpfc_create_shost(phba
);
6784 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6785 "1407 Failed to create scsi host.\n");
6786 goto out_unset_driver_resource
;
6789 /* Configure sysfs attributes */
6790 vport
= phba
->pport
;
6791 error
= lpfc_alloc_sysfs_attr(vport
);
6793 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6794 "1476 Failed to allocate sysfs attr\n");
6795 goto out_destroy_shost
;
6798 /* Now, trying to enable interrupt and bring up the device */
6799 cfg_mode
= phba
->cfg_use_msi
;
6801 /* Put device to a known state before enabling interrupt */
6802 lpfc_stop_port(phba
);
6803 /* Configure and enable interrupt */
6804 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
6805 if (intr_mode
== LPFC_INTR_ERROR
) {
6806 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6807 "0431 Failed to enable interrupt.\n");
6809 goto out_free_sysfs_attr
;
6811 /* SLI-3 HBA setup */
6812 if (lpfc_sli_hba_setup(phba
)) {
6813 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6814 "1477 Failed to set up hba\n");
6816 goto out_remove_device
;
6819 /* Wait 50ms for the interrupts of previous mailbox commands */
6821 /* Check active interrupts on message signaled interrupts */
6822 if (intr_mode
== 0 ||
6823 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
6824 /* Log the current active interrupt mode */
6825 phba
->intr_mode
= intr_mode
;
6826 lpfc_log_intr_mode(phba
, intr_mode
);
6829 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6830 "0447 Configure interrupt mode (%d) "
6831 "failed active interrupt test.\n",
6833 /* Disable the current interrupt mode */
6834 lpfc_sli_disable_intr(phba
);
6835 /* Try next level of interrupt mode */
6836 cfg_mode
= --intr_mode
;
6840 /* Perform post initialization setup */
6841 lpfc_post_init_setup(phba
);
6843 /* Check if there are static vports to be created. */
6844 lpfc_create_static_vport(phba
);
6849 lpfc_unset_hba(phba
);
6850 out_free_sysfs_attr
:
6851 lpfc_free_sysfs_attr(vport
);
6853 lpfc_destroy_shost(phba
);
6854 out_unset_driver_resource
:
6855 lpfc_unset_driver_resource_phase2(phba
);
6857 lpfc_free_iocb_list(phba
);
6858 out_unset_driver_resource_s3
:
6859 lpfc_sli_driver_resource_unset(phba
);
6860 out_unset_pci_mem_s3
:
6861 lpfc_sli_pci_mem_unset(phba
);
6862 out_disable_pci_dev
:
6863 lpfc_disable_pci_dev(phba
);
6865 lpfc_hba_free(phba
);
6870 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6871 * @pdev: pointer to PCI device
6873 * This routine is to be called to disattach a device with SLI-3 interface
6874 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6875 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6876 * device to be removed from the PCI subsystem properly.
6878 static void __devexit
6879 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
6881 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6882 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6883 struct lpfc_vport
**vports
;
6884 struct lpfc_hba
*phba
= vport
->phba
;
6886 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
6888 spin_lock_irq(&phba
->hbalock
);
6889 vport
->load_flag
|= FC_UNLOADING
;
6890 spin_unlock_irq(&phba
->hbalock
);
6892 lpfc_free_sysfs_attr(vport
);
6894 /* Release all the vports against this physical port */
6895 vports
= lpfc_create_vport_work_array(phba
);
6897 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
6898 fc_vport_terminate(vports
[i
]->fc_vport
);
6899 lpfc_destroy_vport_work_array(phba
, vports
);
6901 /* Remove FC host and then SCSI host with the physical port */
6902 fc_remove_host(shost
);
6903 scsi_remove_host(shost
);
6904 lpfc_cleanup(vport
);
6907 * Bring down the SLI Layer. This step disable all interrupts,
6908 * clears the rings, discards all mailbox commands, and resets
6912 /* HBA interrupt will be diabled after this call */
6913 lpfc_sli_hba_down(phba
);
6914 /* Stop kthread signal shall trigger work_done one more time */
6915 kthread_stop(phba
->worker_thread
);
6916 /* Final cleanup of txcmplq and reset the HBA */
6917 lpfc_sli_brdrestart(phba
);
6919 lpfc_stop_hba_timers(phba
);
6920 spin_lock_irq(&phba
->hbalock
);
6921 list_del_init(&vport
->listentry
);
6922 spin_unlock_irq(&phba
->hbalock
);
6924 lpfc_debugfs_terminate(vport
);
6926 /* Disable interrupt */
6927 lpfc_sli_disable_intr(phba
);
6929 pci_set_drvdata(pdev
, NULL
);
6930 scsi_host_put(shost
);
6933 * Call scsi_free before mem_free since scsi bufs are released to their
6934 * corresponding pools here.
6936 lpfc_scsi_free(phba
);
6937 lpfc_mem_free_all(phba
);
6939 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6940 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6942 /* Free resources associated with SLI2 interface */
6943 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6944 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6946 /* unmap adapter SLIM and Control Registers */
6947 iounmap(phba
->ctrl_regs_memmap_p
);
6948 iounmap(phba
->slim_memmap_p
);
6950 lpfc_hba_free(phba
);
6952 pci_release_selected_regions(pdev
, bars
);
6953 pci_disable_device(pdev
);
6957 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
6958 * @pdev: pointer to PCI device
6959 * @msg: power management message
6961 * This routine is to be called from the kernel's PCI subsystem to support
6962 * system Power Management (PM) to device with SLI-3 interface spec. When
6963 * PM invokes this method, it quiesces the device by stopping the driver's
6964 * worker thread for the device, turning off device's interrupt and DMA,
6965 * and bring the device offline. Note that as the driver implements the
6966 * minimum PM requirements to a power-aware driver's PM support for the
6967 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
6968 * to the suspend() method call will be treated as SUSPEND and the driver will
6969 * fully reinitialize its device during resume() method call, the driver will
6970 * set device to PCI_D3hot state in PCI config space instead of setting it
6971 * according to the @msg provided by the PM.
6974 * 0 - driver suspended the device
6978 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
6980 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6981 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
6983 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6984 "0473 PCI device Power Management suspend.\n");
6986 /* Bring down the device */
6987 lpfc_offline_prep(phba
);
6989 kthread_stop(phba
->worker_thread
);
6991 /* Disable interrupt from device */
6992 lpfc_sli_disable_intr(phba
);
6994 /* Save device state to PCI config space */
6995 pci_save_state(pdev
);
6996 pci_set_power_state(pdev
, PCI_D3hot
);
7002 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7003 * @pdev: pointer to PCI device
7005 * This routine is to be called from the kernel's PCI subsystem to support
7006 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7007 * invokes this method, it restores the device's PCI config space state and
7008 * fully reinitializes the device and brings it online. Note that as the
7009 * driver implements the minimum PM requirements to a power-aware driver's
7010 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7011 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7012 * driver will fully reinitialize its device during resume() method call,
7013 * the device will be set to PCI_D0 directly in PCI config space before
7014 * restoring the state.
7017 * 0 - driver suspended the device
7021 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
7023 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7024 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7028 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7029 "0452 PCI device Power Management resume.\n");
7031 /* Restore device state from PCI config space */
7032 pci_set_power_state(pdev
, PCI_D0
);
7033 pci_restore_state(pdev
);
7034 if (pdev
->is_busmaster
)
7035 pci_set_master(pdev
);
7037 /* Startup the kernel thread for this host adapter. */
7038 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7039 "lpfc_worker_%d", phba
->brd_no
);
7040 if (IS_ERR(phba
->worker_thread
)) {
7041 error
= PTR_ERR(phba
->worker_thread
);
7042 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7043 "0434 PM resume failed to start worker "
7044 "thread: error=x%x.\n", error
);
7048 /* Configure and enable interrupt */
7049 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7050 if (intr_mode
== LPFC_INTR_ERROR
) {
7051 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7052 "0430 PM resume Failed to enable interrupt\n");
7055 phba
->intr_mode
= intr_mode
;
7057 /* Restart HBA and bring it online */
7058 lpfc_sli_brdrestart(phba
);
7061 /* Log the current active interrupt mode */
7062 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7068 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7069 * @pdev: pointer to PCI device.
7070 * @state: the current PCI connection state.
7072 * This routine is called from the PCI subsystem for I/O error handling to
7073 * device with SLI-3 interface spec. This function is called by the PCI
7074 * subsystem after a PCI bus error affecting this device has been detected.
7075 * When this function is invoked, it will need to stop all the I/Os and
7076 * interrupt(s) to the device. Once that is done, it will return
7077 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7081 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7082 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7084 static pci_ers_result_t
7085 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
7087 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7088 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7089 struct lpfc_sli
*psli
= &phba
->sli
;
7090 struct lpfc_sli_ring
*pring
;
7092 if (state
== pci_channel_io_perm_failure
) {
7093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7094 "0472 PCI channel I/O permanent failure\n");
7095 /* Block all SCSI devices' I/Os on the host */
7096 lpfc_scsi_dev_block(phba
);
7097 /* Clean up all driver's outstanding SCSI I/Os */
7098 lpfc_sli_flush_fcp_rings(phba
);
7099 return PCI_ERS_RESULT_DISCONNECT
;
7102 pci_disable_device(pdev
);
7104 * There may be I/Os dropped by the firmware.
7105 * Error iocb (I/O) on txcmplq and let the SCSI layer
7106 * retry it after re-establishing link.
7108 pring
= &psli
->ring
[psli
->fcp_ring
];
7109 lpfc_sli_abort_iocb_ring(phba
, pring
);
7111 /* Disable interrupt */
7112 lpfc_sli_disable_intr(phba
);
7114 /* Request a slot reset. */
7115 return PCI_ERS_RESULT_NEED_RESET
;
7119 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7120 * @pdev: pointer to PCI device.
7122 * This routine is called from the PCI subsystem for error handling to
7123 * device with SLI-3 interface spec. This is called after PCI bus has been
7124 * reset to restart the PCI card from scratch, as if from a cold-boot.
7125 * During the PCI subsystem error recovery, after driver returns
7126 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7127 * recovery and then call this routine before calling the .resume method
7128 * to recover the device. This function will initialize the HBA device,
7129 * enable the interrupt, but it will just put the HBA to offline state
7130 * without passing any I/O traffic.
7133 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7134 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7136 static pci_ers_result_t
7137 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
7139 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7140 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7141 struct lpfc_sli
*psli
= &phba
->sli
;
7144 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
7145 if (pci_enable_device_mem(pdev
)) {
7146 printk(KERN_ERR
"lpfc: Cannot re-enable "
7147 "PCI device after reset.\n");
7148 return PCI_ERS_RESULT_DISCONNECT
;
7151 pci_restore_state(pdev
);
7152 if (pdev
->is_busmaster
)
7153 pci_set_master(pdev
);
7155 spin_lock_irq(&phba
->hbalock
);
7156 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
7157 spin_unlock_irq(&phba
->hbalock
);
7159 /* Configure and enable interrupt */
7160 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7161 if (intr_mode
== LPFC_INTR_ERROR
) {
7162 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7163 "0427 Cannot re-enable interrupt after "
7165 return PCI_ERS_RESULT_DISCONNECT
;
7167 phba
->intr_mode
= intr_mode
;
7169 /* Take device offline; this will perform cleanup */
7171 lpfc_sli_brdrestart(phba
);
7173 /* Log the current active interrupt mode */
7174 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7176 return PCI_ERS_RESULT_RECOVERED
;
7180 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7181 * @pdev: pointer to PCI device
7183 * This routine is called from the PCI subsystem for error handling to device
7184 * with SLI-3 interface spec. It is called when kernel error recovery tells
7185 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7186 * error recovery. After this call, traffic can start to flow from this device
7190 lpfc_io_resume_s3(struct pci_dev
*pdev
)
7192 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7193 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7199 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7200 * @phba: pointer to lpfc hba data structure.
7202 * returns the number of ELS/CT IOCBs to reserve
7205 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
7207 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
7209 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
7212 else if (max_xri
<= 256)
7214 else if (max_xri
<= 512)
7216 else if (max_xri
<= 1024)
7225 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7226 * @pdev: pointer to PCI device
7227 * @pid: pointer to PCI device identifier
7229 * This routine is called from the kernel's PCI subsystem to device with
7230 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7231 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7232 * information of the device and driver to see if the driver state that it
7233 * can support this kind of device. If the match is successful, the driver
7234 * core invokes this routine. If this routine determines it can claim the HBA,
7235 * it does all the initialization that it needs to do to handle the HBA
7239 * 0 - driver can claim the device
7240 * negative value - driver can not claim the device
7242 static int __devinit
7243 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7245 struct lpfc_hba
*phba
;
7246 struct lpfc_vport
*vport
= NULL
;
7248 uint32_t cfg_mode
, intr_mode
;
7251 /* Allocate memory for HBA structure */
7252 phba
= lpfc_hba_alloc(pdev
);
7256 /* Perform generic PCI device enabling operation */
7257 error
= lpfc_enable_pci_dev(phba
);
7259 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7260 "1409 Failed to enable pci device.\n");
7264 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7265 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
7267 goto out_disable_pci_dev
;
7269 /* Set up SLI-4 specific device PCI memory space */
7270 error
= lpfc_sli4_pci_mem_setup(phba
);
7272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7273 "1410 Failed to set up pci memory space.\n");
7274 goto out_disable_pci_dev
;
7277 /* Set up phase-1 common device driver resources */
7278 error
= lpfc_setup_driver_resource_phase1(phba
);
7280 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7281 "1411 Failed to set up driver resource.\n");
7282 goto out_unset_pci_mem_s4
;
7285 /* Set up SLI-4 Specific device driver resources */
7286 error
= lpfc_sli4_driver_resource_setup(phba
);
7288 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7289 "1412 Failed to set up driver resource.\n");
7290 goto out_unset_pci_mem_s4
;
7293 /* Initialize and populate the iocb list per host */
7294 error
= lpfc_init_iocb_list(phba
,
7295 phba
->sli4_hba
.max_cfg_param
.max_xri
);
7297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7298 "1413 Failed to initialize iocb list.\n");
7299 goto out_unset_driver_resource_s4
;
7302 /* Set up common device driver resources */
7303 error
= lpfc_setup_driver_resource_phase2(phba
);
7305 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7306 "1414 Failed to set up driver resource.\n");
7307 goto out_free_iocb_list
;
7310 /* Create SCSI host to the physical port */
7311 error
= lpfc_create_shost(phba
);
7313 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7314 "1415 Failed to create scsi host.\n");
7315 goto out_unset_driver_resource
;
7318 /* Configure sysfs attributes */
7319 vport
= phba
->pport
;
7320 error
= lpfc_alloc_sysfs_attr(vport
);
7322 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7323 "1416 Failed to allocate sysfs attr\n");
7324 goto out_destroy_shost
;
7327 /* Now, trying to enable interrupt and bring up the device */
7328 cfg_mode
= phba
->cfg_use_msi
;
7330 /* Put device to a known state before enabling interrupt */
7331 lpfc_stop_port(phba
);
7332 /* Configure and enable interrupt */
7333 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
7334 if (intr_mode
== LPFC_INTR_ERROR
) {
7335 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7336 "0426 Failed to enable interrupt.\n");
7338 goto out_free_sysfs_attr
;
7340 /* Set up SLI-4 HBA */
7341 if (lpfc_sli4_hba_setup(phba
)) {
7342 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7343 "1421 Failed to set up hba\n");
7345 goto out_disable_intr
;
7348 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7350 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
7353 /* Check active interrupts received only for MSI/MSI-X */
7354 if (intr_mode
== 0 ||
7355 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
7356 /* Log the current active interrupt mode */
7357 phba
->intr_mode
= intr_mode
;
7358 lpfc_log_intr_mode(phba
, intr_mode
);
7361 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7362 "0451 Configure interrupt mode (%d) "
7363 "failed active interrupt test.\n",
7365 /* Unset the preivous SLI-4 HBA setup */
7366 lpfc_sli4_unset_hba(phba
);
7367 /* Try next level of interrupt mode */
7368 cfg_mode
= --intr_mode
;
7371 /* Perform post initialization setup */
7372 lpfc_post_init_setup(phba
);
7377 lpfc_sli4_disable_intr(phba
);
7378 out_free_sysfs_attr
:
7379 lpfc_free_sysfs_attr(vport
);
7381 lpfc_destroy_shost(phba
);
7382 out_unset_driver_resource
:
7383 lpfc_unset_driver_resource_phase2(phba
);
7385 lpfc_free_iocb_list(phba
);
7386 out_unset_driver_resource_s4
:
7387 lpfc_sli4_driver_resource_unset(phba
);
7388 out_unset_pci_mem_s4
:
7389 lpfc_sli4_pci_mem_unset(phba
);
7390 out_disable_pci_dev
:
7391 lpfc_disable_pci_dev(phba
);
7393 lpfc_hba_free(phba
);
7398 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7399 * @pdev: pointer to PCI device
7401 * This routine is called from the kernel's PCI subsystem to device with
7402 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7403 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7404 * device to be removed from the PCI subsystem properly.
7406 static void __devexit
7407 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
7409 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7410 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
7411 struct lpfc_vport
**vports
;
7412 struct lpfc_hba
*phba
= vport
->phba
;
7415 /* Mark the device unloading flag */
7416 spin_lock_irq(&phba
->hbalock
);
7417 vport
->load_flag
|= FC_UNLOADING
;
7418 spin_unlock_irq(&phba
->hbalock
);
7420 /* Free the HBA sysfs attributes */
7421 lpfc_free_sysfs_attr(vport
);
7423 /* Release all the vports against this physical port */
7424 vports
= lpfc_create_vport_work_array(phba
);
7426 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
7427 fc_vport_terminate(vports
[i
]->fc_vport
);
7428 lpfc_destroy_vport_work_array(phba
, vports
);
7430 /* Remove FC host and then SCSI host with the physical port */
7431 fc_remove_host(shost
);
7432 scsi_remove_host(shost
);
7434 /* Perform cleanup on the physical port */
7435 lpfc_cleanup(vport
);
7438 * Bring down the SLI Layer. This step disables all interrupts,
7439 * clears the rings, discards all mailbox commands, and resets
7440 * the HBA FCoE function.
7442 lpfc_debugfs_terminate(vport
);
7443 lpfc_sli4_hba_unset(phba
);
7445 spin_lock_irq(&phba
->hbalock
);
7446 list_del_init(&vport
->listentry
);
7447 spin_unlock_irq(&phba
->hbalock
);
7449 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7450 * buffers are released to their corresponding pools here.
7452 lpfc_scsi_free(phba
);
7453 lpfc_sli4_driver_resource_unset(phba
);
7455 /* Unmap adapter Control and Doorbell registers */
7456 lpfc_sli4_pci_mem_unset(phba
);
7458 /* Release PCI resources and disable device's PCI function */
7459 scsi_host_put(shost
);
7460 lpfc_disable_pci_dev(phba
);
7462 /* Finally, free the driver's device data structure */
7463 lpfc_hba_free(phba
);
7469 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7470 * @pdev: pointer to PCI device
7471 * @msg: power management message
7473 * This routine is called from the kernel's PCI subsystem to support system
7474 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7475 * this method, it quiesces the device by stopping the driver's worker
7476 * thread for the device, turning off device's interrupt and DMA, and bring
7477 * the device offline. Note that as the driver implements the minimum PM
7478 * requirements to a power-aware driver's PM support for suspend/resume -- all
7479 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7480 * method call will be treated as SUSPEND and the driver will fully
7481 * reinitialize its device during resume() method call, the driver will set
7482 * device to PCI_D3hot state in PCI config space instead of setting it
7483 * according to the @msg provided by the PM.
7486 * 0 - driver suspended the device
7490 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
7492 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7493 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7495 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7496 "0298 PCI device Power Management suspend.\n");
7498 /* Bring down the device */
7499 lpfc_offline_prep(phba
);
7501 kthread_stop(phba
->worker_thread
);
7503 /* Disable interrupt from device */
7504 lpfc_sli4_disable_intr(phba
);
7506 /* Save device state to PCI config space */
7507 pci_save_state(pdev
);
7508 pci_set_power_state(pdev
, PCI_D3hot
);
7514 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7515 * @pdev: pointer to PCI device
7517 * This routine is called from the kernel's PCI subsystem to support system
7518 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7519 * this method, it restores the device's PCI config space state and fully
7520 * reinitializes the device and brings it online. Note that as the driver
7521 * implements the minimum PM requirements to a power-aware driver's PM for
7522 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7523 * to the suspend() method call will be treated as SUSPEND and the driver
7524 * will fully reinitialize its device during resume() method call, the device
7525 * will be set to PCI_D0 directly in PCI config space before restoring the
7529 * 0 - driver suspended the device
7533 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
7535 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7536 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7540 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7541 "0292 PCI device Power Management resume.\n");
7543 /* Restore device state from PCI config space */
7544 pci_set_power_state(pdev
, PCI_D0
);
7545 pci_restore_state(pdev
);
7546 if (pdev
->is_busmaster
)
7547 pci_set_master(pdev
);
7549 /* Startup the kernel thread for this host adapter. */
7550 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7551 "lpfc_worker_%d", phba
->brd_no
);
7552 if (IS_ERR(phba
->worker_thread
)) {
7553 error
= PTR_ERR(phba
->worker_thread
);
7554 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7555 "0293 PM resume failed to start worker "
7556 "thread: error=x%x.\n", error
);
7560 /* Configure and enable interrupt */
7561 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
7562 if (intr_mode
== LPFC_INTR_ERROR
) {
7563 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7564 "0294 PM resume Failed to enable interrupt\n");
7567 phba
->intr_mode
= intr_mode
;
7569 /* Restart HBA and bring it online */
7570 lpfc_sli_brdrestart(phba
);
7573 /* Log the current active interrupt mode */
7574 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7580 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7581 * @pdev: pointer to PCI device.
7582 * @state: the current PCI connection state.
7584 * This routine is called from the PCI subsystem for error handling to device
7585 * with SLI-4 interface spec. This function is called by the PCI subsystem
7586 * after a PCI bus error affecting this device has been detected. When this
7587 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7588 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7589 * for the PCI subsystem to perform proper recovery as desired.
7592 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7593 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7595 static pci_ers_result_t
7596 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
7598 return PCI_ERS_RESULT_NEED_RESET
;
7602 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7603 * @pdev: pointer to PCI device.
7605 * This routine is called from the PCI subsystem for error handling to device
7606 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7607 * restart the PCI card from scratch, as if from a cold-boot. During the
7608 * PCI subsystem error recovery, after the driver returns
7609 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7610 * recovery and then call this routine before calling the .resume method to
7611 * recover the device. This function will initialize the HBA device, enable
7612 * the interrupt, but it will just put the HBA to offline state without
7613 * passing any I/O traffic.
7616 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7617 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7619 static pci_ers_result_t
7620 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
7622 return PCI_ERS_RESULT_RECOVERED
;
7626 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7627 * @pdev: pointer to PCI device
7629 * This routine is called from the PCI subsystem for error handling to device
7630 * with SLI-4 interface spec. It is called when kernel error recovery tells
7631 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7632 * error recovery. After this call, traffic can start to flow from this device
7636 lpfc_io_resume_s4(struct pci_dev
*pdev
)
7642 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7643 * @pdev: pointer to PCI device
7644 * @pid: pointer to PCI device identifier
7646 * This routine is to be registered to the kernel's PCI subsystem. When an
7647 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7648 * at PCI device-specific information of the device and driver to see if the
7649 * driver state that it can support this kind of device. If the match is
7650 * successful, the driver core invokes this routine. This routine dispatches
7651 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7652 * do all the initialization that it needs to do to handle the HBA device
7656 * 0 - driver can claim the device
7657 * negative value - driver can not claim the device
7659 static int __devinit
7660 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7663 struct lpfc_sli_intf intf
;
7665 if (pci_read_config_dword(pdev
, LPFC_SLIREV_CONF_WORD
, &intf
.word0
))
7668 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
7669 (bf_get(lpfc_sli_intf_rev
, &intf
) == LPFC_SLIREV_CONF_SLI4
))
7670 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
7672 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
7678 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7679 * @pdev: pointer to PCI device
7681 * This routine is to be registered to the kernel's PCI subsystem. When an
7682 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7683 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7684 * remove routine, which will perform all the necessary cleanup for the
7685 * device to be removed from the PCI subsystem properly.
7687 static void __devexit
7688 lpfc_pci_remove_one(struct pci_dev
*pdev
)
7690 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7691 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7693 switch (phba
->pci_dev_grp
) {
7694 case LPFC_PCI_DEV_LP
:
7695 lpfc_pci_remove_one_s3(pdev
);
7697 case LPFC_PCI_DEV_OC
:
7698 lpfc_pci_remove_one_s4(pdev
);
7701 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7702 "1424 Invalid PCI device group: 0x%x\n",
7710 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7711 * @pdev: pointer to PCI device
7712 * @msg: power management message
7714 * This routine is to be registered to the kernel's PCI subsystem to support
7715 * system Power Management (PM). When PM invokes this method, it dispatches
7716 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7717 * suspend the device.
7720 * 0 - driver suspended the device
7724 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
7726 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7727 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7730 switch (phba
->pci_dev_grp
) {
7731 case LPFC_PCI_DEV_LP
:
7732 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
7734 case LPFC_PCI_DEV_OC
:
7735 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
7738 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7739 "1425 Invalid PCI device group: 0x%x\n",
7747 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7748 * @pdev: pointer to PCI device
7750 * This routine is to be registered to the kernel's PCI subsystem to support
7751 * system Power Management (PM). When PM invokes this method, it dispatches
7752 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7753 * resume the device.
7756 * 0 - driver suspended the device
7760 lpfc_pci_resume_one(struct pci_dev
*pdev
)
7762 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7763 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7766 switch (phba
->pci_dev_grp
) {
7767 case LPFC_PCI_DEV_LP
:
7768 rc
= lpfc_pci_resume_one_s3(pdev
);
7770 case LPFC_PCI_DEV_OC
:
7771 rc
= lpfc_pci_resume_one_s4(pdev
);
7774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7775 "1426 Invalid PCI device group: 0x%x\n",
7783 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7784 * @pdev: pointer to PCI device.
7785 * @state: the current PCI connection state.
7787 * This routine is registered to the PCI subsystem for error handling. This
7788 * function is called by the PCI subsystem after a PCI bus error affecting
7789 * this device has been detected. When this routine is invoked, it dispatches
7790 * the action to the proper SLI-3 or SLI-4 device error detected handling
7791 * routine, which will perform the proper error detected operation.
7794 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7795 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7797 static pci_ers_result_t
7798 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7800 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7801 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7802 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7804 switch (phba
->pci_dev_grp
) {
7805 case LPFC_PCI_DEV_LP
:
7806 rc
= lpfc_io_error_detected_s3(pdev
, state
);
7808 case LPFC_PCI_DEV_OC
:
7809 rc
= lpfc_io_error_detected_s4(pdev
, state
);
7812 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7813 "1427 Invalid PCI device group: 0x%x\n",
7821 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
7822 * @pdev: pointer to PCI device.
7824 * This routine is registered to the PCI subsystem for error handling. This
7825 * function is called after PCI bus has been reset to restart the PCI card
7826 * from scratch, as if from a cold-boot. When this routine is invoked, it
7827 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
7828 * routine, which will perform the proper device reset.
7831 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7832 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7834 static pci_ers_result_t
7835 lpfc_io_slot_reset(struct pci_dev
*pdev
)
7837 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7838 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7839 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7841 switch (phba
->pci_dev_grp
) {
7842 case LPFC_PCI_DEV_LP
:
7843 rc
= lpfc_io_slot_reset_s3(pdev
);
7845 case LPFC_PCI_DEV_OC
:
7846 rc
= lpfc_io_slot_reset_s4(pdev
);
7849 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7850 "1428 Invalid PCI device group: 0x%x\n",
7858 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
7859 * @pdev: pointer to PCI device
7861 * This routine is registered to the PCI subsystem for error handling. It
7862 * is called when kernel error recovery tells the lpfc driver that it is
7863 * OK to resume normal PCI operation after PCI bus error recovery. When
7864 * this routine is invoked, it dispatches the action to the proper SLI-3
7865 * or SLI-4 device io_resume routine, which will resume the device operation.
7868 lpfc_io_resume(struct pci_dev
*pdev
)
7870 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7871 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7873 switch (phba
->pci_dev_grp
) {
7874 case LPFC_PCI_DEV_LP
:
7875 lpfc_io_resume_s3(pdev
);
7877 case LPFC_PCI_DEV_OC
:
7878 lpfc_io_resume_s4(pdev
);
7881 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7882 "1429 Invalid PCI device group: 0x%x\n",
7889 static struct pci_device_id lpfc_id_table
[] = {
7890 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
7891 PCI_ANY_ID
, PCI_ANY_ID
, },
7892 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
7893 PCI_ANY_ID
, PCI_ANY_ID
, },
7894 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
7895 PCI_ANY_ID
, PCI_ANY_ID
, },
7896 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
7897 PCI_ANY_ID
, PCI_ANY_ID
, },
7898 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
7899 PCI_ANY_ID
, PCI_ANY_ID
, },
7900 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
7901 PCI_ANY_ID
, PCI_ANY_ID
, },
7902 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
7903 PCI_ANY_ID
, PCI_ANY_ID
, },
7904 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
7905 PCI_ANY_ID
, PCI_ANY_ID
, },
7906 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
7907 PCI_ANY_ID
, PCI_ANY_ID
, },
7908 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
7909 PCI_ANY_ID
, PCI_ANY_ID
, },
7910 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
7911 PCI_ANY_ID
, PCI_ANY_ID
, },
7912 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
7913 PCI_ANY_ID
, PCI_ANY_ID
, },
7914 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
7915 PCI_ANY_ID
, PCI_ANY_ID
, },
7916 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
7917 PCI_ANY_ID
, PCI_ANY_ID
, },
7918 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
7919 PCI_ANY_ID
, PCI_ANY_ID
, },
7920 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
7921 PCI_ANY_ID
, PCI_ANY_ID
, },
7922 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
7923 PCI_ANY_ID
, PCI_ANY_ID
, },
7924 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
7925 PCI_ANY_ID
, PCI_ANY_ID
, },
7926 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
7927 PCI_ANY_ID
, PCI_ANY_ID
, },
7928 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
7929 PCI_ANY_ID
, PCI_ANY_ID
, },
7930 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
7931 PCI_ANY_ID
, PCI_ANY_ID
, },
7932 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
7933 PCI_ANY_ID
, PCI_ANY_ID
, },
7934 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
7935 PCI_ANY_ID
, PCI_ANY_ID
, },
7936 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
7937 PCI_ANY_ID
, PCI_ANY_ID
, },
7938 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
7939 PCI_ANY_ID
, PCI_ANY_ID
, },
7940 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
7941 PCI_ANY_ID
, PCI_ANY_ID
, },
7942 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
7943 PCI_ANY_ID
, PCI_ANY_ID
, },
7944 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
7945 PCI_ANY_ID
, PCI_ANY_ID
, },
7946 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
7947 PCI_ANY_ID
, PCI_ANY_ID
, },
7948 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
7949 PCI_ANY_ID
, PCI_ANY_ID
, },
7950 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
7951 PCI_ANY_ID
, PCI_ANY_ID
, },
7952 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
7953 PCI_ANY_ID
, PCI_ANY_ID
, },
7954 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
7955 PCI_ANY_ID
, PCI_ANY_ID
, },
7956 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
7957 PCI_ANY_ID
, PCI_ANY_ID
, },
7958 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
7959 PCI_ANY_ID
, PCI_ANY_ID
, },
7960 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
7961 PCI_ANY_ID
, PCI_ANY_ID
, },
7962 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
7963 PCI_ANY_ID
, PCI_ANY_ID
, },
7964 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
7965 PCI_ANY_ID
, PCI_ANY_ID
, },
7969 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
7971 static struct pci_error_handlers lpfc_err_handler
= {
7972 .error_detected
= lpfc_io_error_detected
,
7973 .slot_reset
= lpfc_io_slot_reset
,
7974 .resume
= lpfc_io_resume
,
7977 static struct pci_driver lpfc_driver
= {
7978 .name
= LPFC_DRIVER_NAME
,
7979 .id_table
= lpfc_id_table
,
7980 .probe
= lpfc_pci_probe_one
,
7981 .remove
= __devexit_p(lpfc_pci_remove_one
),
7982 .suspend
= lpfc_pci_suspend_one
,
7983 .resume
= lpfc_pci_resume_one
,
7984 .err_handler
= &lpfc_err_handler
,
7988 * lpfc_init - lpfc module initialization routine
7990 * This routine is to be invoked when the lpfc module is loaded into the
7991 * kernel. The special kernel macro module_init() is used to indicate the
7992 * role of this routine to the kernel as lpfc module entry point.
7996 * -ENOMEM - FC attach transport failed
7997 * all others - failed
8004 printk(LPFC_MODULE_DESC
"\n");
8005 printk(LPFC_COPYRIGHT
"\n");
8007 if (lpfc_enable_npiv
) {
8008 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
8009 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
8011 lpfc_transport_template
=
8012 fc_attach_transport(&lpfc_transport_functions
);
8013 if (lpfc_transport_template
== NULL
)
8015 if (lpfc_enable_npiv
) {
8016 lpfc_vport_transport_template
=
8017 fc_attach_transport(&lpfc_vport_transport_functions
);
8018 if (lpfc_vport_transport_template
== NULL
) {
8019 fc_release_transport(lpfc_transport_template
);
8023 error
= pci_register_driver(&lpfc_driver
);
8025 fc_release_transport(lpfc_transport_template
);
8026 if (lpfc_enable_npiv
)
8027 fc_release_transport(lpfc_vport_transport_template
);
8034 * lpfc_exit - lpfc module removal routine
8036 * This routine is invoked when the lpfc module is removed from the kernel.
8037 * The special kernel macro module_exit() is used to indicate the role of
8038 * this routine to the kernel as lpfc module exit point.
8043 pci_unregister_driver(&lpfc_driver
);
8044 fc_release_transport(lpfc_transport_template
);
8045 if (lpfc_enable_npiv
)
8046 fc_release_transport(lpfc_vport_transport_template
);
8047 if (_dump_buf_data
) {
8048 printk(KERN_ERR
"BLKGRD freeing %lu pages for _dump_buf_data "
8050 (1L << _dump_buf_data_order
), _dump_buf_data
);
8051 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
8054 if (_dump_buf_dif
) {
8055 printk(KERN_ERR
"BLKGRD freeing %lu pages for _dump_buf_dif "
8057 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
8058 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
8062 module_init(lpfc_init
);
8063 module_exit(lpfc_exit
);
8064 MODULE_LICENSE("GPL");
8065 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
8066 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8067 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);