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>
31 #include <linux/aer.h>
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
41 #include "lpfc_sli4.h"
43 #include "lpfc_disc.h"
44 #include "lpfc_scsi.h"
46 #include "lpfc_logmsg.h"
47 #include "lpfc_crtn.h"
48 #include "lpfc_vport.h"
49 #include "lpfc_version.h"
52 unsigned long _dump_buf_data_order
;
54 unsigned long _dump_buf_dif_order
;
55 spinlock_t _dump_buf_lock
;
57 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
58 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
59 static int lpfc_sli4_queue_create(struct lpfc_hba
*);
60 static void lpfc_sli4_queue_destroy(struct lpfc_hba
*);
61 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
62 static int lpfc_setup_endian_order(struct lpfc_hba
*);
63 static int lpfc_sli4_read_config(struct lpfc_hba
*);
64 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
65 static void lpfc_free_sgl_list(struct lpfc_hba
*);
66 static int lpfc_init_sgl_list(struct lpfc_hba
*);
67 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
68 static void lpfc_free_active_sgl(struct lpfc_hba
*);
69 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
70 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
71 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
72 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
73 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
75 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
76 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
77 static DEFINE_IDR(lpfc_hba_index
);
80 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
81 * @phba: pointer to lpfc hba data structure.
83 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
84 * mailbox command. It retrieves the revision information from the HBA and
85 * collects the Vital Product Data (VPD) about the HBA for preparing the
86 * configuration of the HBA.
90 * -ERESTART - requests the SLI layer to reset the HBA and try again.
91 * Any other value - indicates an error.
94 lpfc_config_port_prep(struct lpfc_hba
*phba
)
96 lpfc_vpd_t
*vp
= &phba
->vpd
;
100 char *lpfc_vpd_data
= NULL
;
102 static char licensed
[56] =
103 "key unlock for use with gnu public licensed code only\0";
104 static int init_key
= 1;
106 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
108 phba
->link_state
= LPFC_HBA_ERROR
;
113 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
115 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
117 uint32_t *ptext
= (uint32_t *) licensed
;
119 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
120 *ptext
= cpu_to_be32(*ptext
);
124 lpfc_read_nv(phba
, pmb
);
125 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
126 sizeof (mb
->un
.varRDnvp
.rsvd3
));
127 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
130 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
132 if (rc
!= MBX_SUCCESS
) {
133 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
134 "0324 Config Port initialization "
135 "error, mbxCmd x%x READ_NVPARM, "
137 mb
->mbxCommand
, mb
->mbxStatus
);
138 mempool_free(pmb
, phba
->mbox_mem_pool
);
141 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
143 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
147 phba
->sli3_options
= 0x0;
149 /* Setup and issue mailbox READ REV command */
150 lpfc_read_rev(phba
, pmb
);
151 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
152 if (rc
!= MBX_SUCCESS
) {
153 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
154 "0439 Adapter failed to init, mbxCmd x%x "
155 "READ_REV, mbxStatus x%x\n",
156 mb
->mbxCommand
, mb
->mbxStatus
);
157 mempool_free( pmb
, phba
->mbox_mem_pool
);
163 * The value of rr must be 1 since the driver set the cv field to 1.
164 * This setting requires the FW to set all revision fields.
166 if (mb
->un
.varRdRev
.rr
== 0) {
168 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
169 "0440 Adapter failed to init, READ_REV has "
170 "missing revision information.\n");
171 mempool_free(pmb
, phba
->mbox_mem_pool
);
175 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
176 mempool_free(pmb
, phba
->mbox_mem_pool
);
180 /* Save information as VPD data */
182 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
183 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
184 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
185 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
186 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
187 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
188 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
189 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
190 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
191 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
192 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
193 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
194 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
195 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
196 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
198 /* If the sli feature level is less then 9, we must
199 * tear down all RPIs and VPIs on link down if NPIV
202 if (vp
->rev
.feaLevelHigh
< 9)
203 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
205 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
206 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
207 sizeof (phba
->RandomData
));
209 /* Get adapter VPD information */
210 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
215 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
216 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
218 if (rc
!= MBX_SUCCESS
) {
219 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
220 "0441 VPD not present on adapter, "
221 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
222 mb
->mbxCommand
, mb
->mbxStatus
);
223 mb
->un
.varDmp
.word_cnt
= 0;
225 /* dump mem may return a zero when finished or we got a
226 * mailbox error, either way we are done.
228 if (mb
->un
.varDmp
.word_cnt
== 0)
230 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
231 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
232 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
233 lpfc_vpd_data
+ offset
,
234 mb
->un
.varDmp
.word_cnt
);
235 offset
+= mb
->un
.varDmp
.word_cnt
;
236 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
237 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
239 kfree(lpfc_vpd_data
);
241 mempool_free(pmb
, phba
->mbox_mem_pool
);
246 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
247 * @phba: pointer to lpfc hba data structure.
248 * @pmboxq: pointer to the driver internal queue element for mailbox command.
250 * This is the completion handler for driver's configuring asynchronous event
251 * mailbox command to the device. If the mailbox command returns successfully,
252 * it will set internal async event support flag to 1; otherwise, it will
253 * set internal async event support flag to 0.
256 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
258 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
259 phba
->temp_sensor_support
= 1;
261 phba
->temp_sensor_support
= 0;
262 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
267 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
268 * @phba: pointer to lpfc hba data structure.
269 * @pmboxq: pointer to the driver internal queue element for mailbox command.
271 * This is the completion handler for dump mailbox command for getting
272 * wake up parameters. When this command complete, the response contain
273 * Option rom version of the HBA. This function translate the version number
274 * into a human readable string and store it in OptionROMVersion.
277 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
280 uint32_t prog_id_word
;
282 /* character array used for decoding dist type. */
283 char dist_char
[] = "nabx";
285 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
286 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
290 prg
= (struct prog_id
*) &prog_id_word
;
292 /* word 7 contain option rom version */
293 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
295 /* Decode the Option rom version word to a readable string */
297 dist
= dist_char
[prg
->dist
];
299 if ((prg
->dist
== 3) && (prg
->num
== 0))
300 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
301 prg
->ver
, prg
->rev
, prg
->lev
);
303 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
304 prg
->ver
, prg
->rev
, prg
->lev
,
306 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
311 * lpfc_config_port_post - Perform lpfc initialization after config port
312 * @phba: pointer to lpfc hba data structure.
314 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
315 * command call. It performs all internal resource and state setups on the
316 * port: post IOCB buffers, enable appropriate host interrupt attentions,
317 * ELS ring timers, etc.
321 * Any other value - error.
324 lpfc_config_port_post(struct lpfc_hba
*phba
)
326 struct lpfc_vport
*vport
= phba
->pport
;
327 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
330 struct lpfc_dmabuf
*mp
;
331 struct lpfc_sli
*psli
= &phba
->sli
;
332 uint32_t status
, timeout
;
336 spin_lock_irq(&phba
->hbalock
);
338 * If the Config port completed correctly the HBA is not
339 * over heated any more.
341 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
342 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
343 spin_unlock_irq(&phba
->hbalock
);
345 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
347 phba
->link_state
= LPFC_HBA_ERROR
;
352 /* Get login parameters for NID. */
353 lpfc_read_sparam(phba
, pmb
, 0);
355 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
356 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
357 "0448 Adapter failed init, mbxCmd x%x "
358 "READ_SPARM mbxStatus x%x\n",
359 mb
->mbxCommand
, mb
->mbxStatus
);
360 phba
->link_state
= LPFC_HBA_ERROR
;
361 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
362 mempool_free( pmb
, phba
->mbox_mem_pool
);
363 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
368 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
370 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
371 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
373 pmb
->context1
= NULL
;
375 if (phba
->cfg_soft_wwnn
)
376 u64_to_wwn(phba
->cfg_soft_wwnn
,
377 vport
->fc_sparam
.nodeName
.u
.wwn
);
378 if (phba
->cfg_soft_wwpn
)
379 u64_to_wwn(phba
->cfg_soft_wwpn
,
380 vport
->fc_sparam
.portName
.u
.wwn
);
381 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
382 sizeof (struct lpfc_name
));
383 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
384 sizeof (struct lpfc_name
));
386 /* Update the fc_host data structures with new wwn. */
387 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
388 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
389 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
391 /* If no serial number in VPD data, use low 6 bytes of WWNN */
392 /* This should be consolidated into parse_vpd ? - mr */
393 if (phba
->SerialNumber
[0] == 0) {
396 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
397 for (i
= 0; i
< 12; i
++) {
399 j
= ((status
& 0xf0) >> 4);
401 phba
->SerialNumber
[i
] =
402 (char)((uint8_t) 0x30 + (uint8_t) j
);
404 phba
->SerialNumber
[i
] =
405 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
409 phba
->SerialNumber
[i
] =
410 (char)((uint8_t) 0x30 + (uint8_t) j
);
412 phba
->SerialNumber
[i
] =
413 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
417 lpfc_read_config(phba
, pmb
);
419 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
420 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
421 "0453 Adapter failed to init, mbxCmd x%x "
422 "READ_CONFIG, mbxStatus x%x\n",
423 mb
->mbxCommand
, mb
->mbxStatus
);
424 phba
->link_state
= LPFC_HBA_ERROR
;
425 mempool_free( pmb
, phba
->mbox_mem_pool
);
429 /* Check if the port is disabled */
430 lpfc_sli_read_link_ste(phba
);
432 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
433 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
434 phba
->cfg_hba_queue_depth
=
435 (mb
->un
.varRdConfig
.max_xri
+ 1) -
436 lpfc_sli4_get_els_iocb_cnt(phba
);
438 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
440 /* Get the default values for Model Name and Description */
441 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
443 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
444 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
445 && !(phba
->lmt
& LMT_1Gb
))
446 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
447 && !(phba
->lmt
& LMT_2Gb
))
448 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
449 && !(phba
->lmt
& LMT_4Gb
))
450 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
451 && !(phba
->lmt
& LMT_8Gb
))
452 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
453 && !(phba
->lmt
& LMT_10Gb
))) {
454 /* Reset link speed to auto */
455 lpfc_printf_log(phba
, KERN_WARNING
, LOG_LINK_EVENT
,
456 "1302 Invalid speed for this board: "
457 "Reset link speed to auto: x%x\n",
458 phba
->cfg_link_speed
);
459 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
462 phba
->link_state
= LPFC_LINK_DOWN
;
464 /* Only process IOCBs on ELS ring till hba_state is READY */
465 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
466 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
467 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
468 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
469 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
470 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
472 /* Post receive buffers for desired rings */
473 if (phba
->sli_rev
!= 3)
474 lpfc_post_rcv_buf(phba
);
477 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
479 if (phba
->intr_type
== MSIX
) {
480 rc
= lpfc_config_msi(phba
, pmb
);
482 mempool_free(pmb
, phba
->mbox_mem_pool
);
485 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
486 if (rc
!= MBX_SUCCESS
) {
487 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
488 "0352 Config MSI mailbox command "
489 "failed, mbxCmd x%x, mbxStatus x%x\n",
490 pmb
->u
.mb
.mbxCommand
,
491 pmb
->u
.mb
.mbxStatus
);
492 mempool_free(pmb
, phba
->mbox_mem_pool
);
497 spin_lock_irq(&phba
->hbalock
);
498 /* Initialize ERATT handling flag */
499 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
501 /* Enable appropriate host interrupts */
502 status
= readl(phba
->HCregaddr
);
503 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
504 if (psli
->num_rings
> 0)
505 status
|= HC_R0INT_ENA
;
506 if (psli
->num_rings
> 1)
507 status
|= HC_R1INT_ENA
;
508 if (psli
->num_rings
> 2)
509 status
|= HC_R2INT_ENA
;
510 if (psli
->num_rings
> 3)
511 status
|= HC_R3INT_ENA
;
513 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
514 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
515 status
&= ~(HC_R0INT_ENA
);
517 writel(status
, phba
->HCregaddr
);
518 readl(phba
->HCregaddr
); /* flush */
519 spin_unlock_irq(&phba
->hbalock
);
521 /* Set up ring-0 (ELS) timer */
522 timeout
= phba
->fc_ratov
* 2;
523 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
524 /* Set up heart beat (HB) timer */
525 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
526 phba
->hb_outstanding
= 0;
527 phba
->last_completion_time
= jiffies
;
528 /* Set up error attention (ERATT) polling timer */
529 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
531 if (phba
->hba_flag
& LINK_DISABLED
) {
532 lpfc_printf_log(phba
,
534 "2598 Adapter Link is disabled.\n");
535 lpfc_down_link(phba
, pmb
);
536 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
537 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
538 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
539 lpfc_printf_log(phba
,
541 "2599 Adapter failed to issue DOWN_LINK"
542 " mbox command rc 0x%x\n", rc
);
544 mempool_free(pmb
, phba
->mbox_mem_pool
);
548 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
,
549 phba
->cfg_link_speed
);
550 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
551 lpfc_set_loopback_flag(phba
);
552 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
553 if (rc
!= MBX_SUCCESS
) {
554 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
555 "0454 Adapter failed to init, mbxCmd x%x "
556 "INIT_LINK, mbxStatus x%x\n",
557 mb
->mbxCommand
, mb
->mbxStatus
);
559 /* Clear all interrupt enable conditions */
560 writel(0, phba
->HCregaddr
);
561 readl(phba
->HCregaddr
); /* flush */
562 /* Clear all pending interrupts */
563 writel(0xffffffff, phba
->HAregaddr
);
564 readl(phba
->HAregaddr
); /* flush */
566 phba
->link_state
= LPFC_HBA_ERROR
;
568 mempool_free(pmb
, phba
->mbox_mem_pool
);
572 /* MBOX buffer will be freed in mbox compl */
573 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
574 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
575 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
576 pmb
->vport
= phba
->pport
;
577 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
579 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
580 lpfc_printf_log(phba
,
583 "0456 Adapter failed to issue "
584 "ASYNCEVT_ENABLE mbox status x%x\n",
586 mempool_free(pmb
, phba
->mbox_mem_pool
);
589 /* Get Option rom version */
590 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
591 lpfc_dump_wakeup_param(phba
, pmb
);
592 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
593 pmb
->vport
= phba
->pport
;
594 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
596 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
597 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
598 "to get Option ROM version status x%x\n", rc
);
599 mempool_free(pmb
, phba
->mbox_mem_pool
);
606 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
607 * @phba: pointer to lpfc HBA data structure.
609 * This routine will do LPFC uninitialization before the HBA is reset when
610 * bringing down the SLI Layer.
614 * Any other value - error.
617 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
619 struct lpfc_vport
**vports
;
622 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
623 /* Disable interrupts */
624 writel(0, phba
->HCregaddr
);
625 readl(phba
->HCregaddr
); /* flush */
628 if (phba
->pport
->load_flag
& FC_UNLOADING
)
629 lpfc_cleanup_discovery_resources(phba
->pport
);
631 vports
= lpfc_create_vport_work_array(phba
);
633 for (i
= 0; i
<= phba
->max_vports
&&
634 vports
[i
] != NULL
; i
++)
635 lpfc_cleanup_discovery_resources(vports
[i
]);
636 lpfc_destroy_vport_work_array(phba
, vports
);
642 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
643 * @phba: pointer to lpfc HBA data structure.
645 * This routine will do uninitialization after the HBA is reset when bring
646 * down the SLI Layer.
650 * Any other value - error.
653 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
655 struct lpfc_sli
*psli
= &phba
->sli
;
656 struct lpfc_sli_ring
*pring
;
657 struct lpfc_dmabuf
*mp
, *next_mp
;
658 LIST_HEAD(completions
);
661 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
662 lpfc_sli_hbqbuf_free_all(phba
);
664 /* Cleanup preposted buffers on the ELS ring */
665 pring
= &psli
->ring
[LPFC_ELS_RING
];
666 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
668 pring
->postbufq_cnt
--;
669 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
674 spin_lock_irq(&phba
->hbalock
);
675 for (i
= 0; i
< psli
->num_rings
; i
++) {
676 pring
= &psli
->ring
[i
];
678 /* At this point in time the HBA is either reset or DOA. Either
679 * way, nothing should be on txcmplq as it will NEVER complete.
681 list_splice_init(&pring
->txcmplq
, &completions
);
682 pring
->txcmplq_cnt
= 0;
683 spin_unlock_irq(&phba
->hbalock
);
685 /* Cancel all the IOCBs from the completions list */
686 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
689 lpfc_sli_abort_iocb_ring(phba
, pring
);
690 spin_lock_irq(&phba
->hbalock
);
692 spin_unlock_irq(&phba
->hbalock
);
697 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
698 * @phba: pointer to lpfc HBA data structure.
700 * This routine will do uninitialization after the HBA is reset when bring
701 * down the SLI Layer.
705 * Any other value - error.
708 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
710 struct lpfc_scsi_buf
*psb
, *psb_next
;
713 unsigned long iflag
= 0;
714 ret
= lpfc_hba_down_post_s3(phba
);
717 /* At this point in time the HBA is either reset or DOA. Either
718 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
719 * on the lpfc_sgl_list so that it can either be freed if the
720 * driver is unloading or reposted if the driver is restarting
723 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
725 /* abts_sgl_list_lock required because worker thread uses this
728 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
729 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
730 &phba
->sli4_hba
.lpfc_sgl_list
);
731 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
732 /* abts_scsi_buf_list_lock required because worker thread uses this
735 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
736 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
738 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
739 spin_unlock_irq(&phba
->hbalock
);
741 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
743 psb
->status
= IOSTAT_SUCCESS
;
745 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
746 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
747 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
752 * lpfc_hba_down_post - Wrapper func for hba down post routine
753 * @phba: pointer to lpfc HBA data structure.
755 * This routine wraps the actual SLI3 or SLI4 routine for performing
756 * uninitialization after the HBA is reset when bring down the SLI Layer.
760 * Any other value - error.
763 lpfc_hba_down_post(struct lpfc_hba
*phba
)
765 return (*phba
->lpfc_hba_down_post
)(phba
);
769 * lpfc_hb_timeout - The HBA-timer timeout handler
770 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
772 * This is the HBA-timer timeout handler registered to the lpfc driver. When
773 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
774 * work-port-events bitmap and the worker thread is notified. This timeout
775 * event will be used by the worker thread to invoke the actual timeout
776 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
777 * be performed in the timeout handler and the HBA timeout event bit shall
778 * be cleared by the worker thread after it has taken the event bitmap out.
781 lpfc_hb_timeout(unsigned long ptr
)
783 struct lpfc_hba
*phba
;
787 phba
= (struct lpfc_hba
*)ptr
;
789 /* Check for heart beat timeout conditions */
790 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
791 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
793 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
794 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
796 /* Tell the worker thread there is work to do */
798 lpfc_worker_wake_up(phba
);
803 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
804 * @phba: pointer to lpfc hba data structure.
805 * @pmboxq: pointer to the driver internal queue element for mailbox command.
807 * This is the callback function to the lpfc heart-beat mailbox command.
808 * If configured, the lpfc driver issues the heart-beat mailbox command to
809 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
810 * heart-beat mailbox command is issued, the driver shall set up heart-beat
811 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
812 * heart-beat outstanding state. Once the mailbox command comes back and
813 * no error conditions detected, the heart-beat mailbox command timer is
814 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
815 * state is cleared for the next heart-beat. If the timer expired with the
816 * heart-beat outstanding state set, the driver will put the HBA offline.
819 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
821 unsigned long drvr_flag
;
823 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
824 phba
->hb_outstanding
= 0;
825 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
827 /* Check and reset heart-beat timer is necessary */
828 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
829 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
830 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
831 !(phba
->pport
->load_flag
& FC_UNLOADING
))
832 mod_timer(&phba
->hb_tmofunc
,
833 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
838 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
839 * @phba: pointer to lpfc hba data structure.
841 * This is the actual HBA-timer timeout handler to be invoked by the worker
842 * thread whenever the HBA timer fired and HBA-timeout event posted. This
843 * handler performs any periodic operations needed for the device. If such
844 * periodic event has already been attended to either in the interrupt handler
845 * or by processing slow-ring or fast-ring events within the HBA-timer
846 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
847 * the timer for the next timeout period. If lpfc heart-beat mailbox command
848 * is configured and there is no heart-beat mailbox command outstanding, a
849 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
850 * has been a heart-beat mailbox command outstanding, the HBA shall be put
854 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
856 LPFC_MBOXQ_t
*pmboxq
;
857 struct lpfc_dmabuf
*buf_ptr
;
859 struct lpfc_sli
*psli
= &phba
->sli
;
860 LIST_HEAD(completions
);
862 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
863 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
864 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
867 spin_lock_irq(&phba
->pport
->work_port_lock
);
869 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
871 spin_unlock_irq(&phba
->pport
->work_port_lock
);
872 if (!phba
->hb_outstanding
)
873 mod_timer(&phba
->hb_tmofunc
,
874 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
876 mod_timer(&phba
->hb_tmofunc
,
877 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
880 spin_unlock_irq(&phba
->pport
->work_port_lock
);
882 if (phba
->elsbuf_cnt
&&
883 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
884 spin_lock_irq(&phba
->hbalock
);
885 list_splice_init(&phba
->elsbuf
, &completions
);
886 phba
->elsbuf_cnt
= 0;
887 phba
->elsbuf_prev_cnt
= 0;
888 spin_unlock_irq(&phba
->hbalock
);
890 while (!list_empty(&completions
)) {
891 list_remove_head(&completions
, buf_ptr
,
892 struct lpfc_dmabuf
, list
);
893 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
897 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
899 /* If there is no heart beat outstanding, issue a heartbeat command */
900 if (phba
->cfg_enable_hba_heartbeat
) {
901 if (!phba
->hb_outstanding
) {
902 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
904 mod_timer(&phba
->hb_tmofunc
,
905 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
909 lpfc_heart_beat(phba
, pmboxq
);
910 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
911 pmboxq
->vport
= phba
->pport
;
912 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
914 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
915 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
916 mod_timer(&phba
->hb_tmofunc
,
917 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
920 mod_timer(&phba
->hb_tmofunc
,
921 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
922 phba
->hb_outstanding
= 1;
926 * If heart beat timeout called with hb_outstanding set
927 * we need to take the HBA offline.
929 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
930 "0459 Adapter heartbeat failure, "
931 "taking this port offline.\n");
933 spin_lock_irq(&phba
->hbalock
);
934 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
935 spin_unlock_irq(&phba
->hbalock
);
937 lpfc_offline_prep(phba
);
939 lpfc_unblock_mgmt_io(phba
);
940 phba
->link_state
= LPFC_HBA_ERROR
;
941 lpfc_hba_down_post(phba
);
947 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
948 * @phba: pointer to lpfc hba data structure.
950 * This routine is called to bring the HBA offline when HBA hardware error
951 * other than Port Error 6 has been detected.
954 lpfc_offline_eratt(struct lpfc_hba
*phba
)
956 struct lpfc_sli
*psli
= &phba
->sli
;
958 spin_lock_irq(&phba
->hbalock
);
959 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
960 spin_unlock_irq(&phba
->hbalock
);
961 lpfc_offline_prep(phba
);
964 lpfc_reset_barrier(phba
);
965 spin_lock_irq(&phba
->hbalock
);
966 lpfc_sli_brdreset(phba
);
967 spin_unlock_irq(&phba
->hbalock
);
968 lpfc_hba_down_post(phba
);
969 lpfc_sli_brdready(phba
, HS_MBRDY
);
970 lpfc_unblock_mgmt_io(phba
);
971 phba
->link_state
= LPFC_HBA_ERROR
;
976 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
977 * @phba: pointer to lpfc hba data structure.
979 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
980 * other than Port Error 6 has been detected.
983 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
985 lpfc_offline_prep(phba
);
987 lpfc_sli4_brdreset(phba
);
988 lpfc_hba_down_post(phba
);
989 lpfc_sli4_post_status_check(phba
);
990 lpfc_unblock_mgmt_io(phba
);
991 phba
->link_state
= LPFC_HBA_ERROR
;
995 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
996 * @phba: pointer to lpfc hba data structure.
998 * This routine is invoked to handle the deferred HBA hardware error
999 * conditions. This type of error is indicated by HBA by setting ER1
1000 * and another ER bit in the host status register. The driver will
1001 * wait until the ER1 bit clears before handling the error condition.
1004 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1006 uint32_t old_host_status
= phba
->work_hs
;
1007 struct lpfc_sli_ring
*pring
;
1008 struct lpfc_sli
*psli
= &phba
->sli
;
1010 /* If the pci channel is offline, ignore possible errors,
1011 * since we cannot communicate with the pci card anyway.
1013 if (pci_channel_offline(phba
->pcidev
)) {
1014 spin_lock_irq(&phba
->hbalock
);
1015 phba
->hba_flag
&= ~DEFER_ERATT
;
1016 spin_unlock_irq(&phba
->hbalock
);
1020 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1021 "0479 Deferred Adapter Hardware Error "
1022 "Data: x%x x%x x%x\n",
1024 phba
->work_status
[0], phba
->work_status
[1]);
1026 spin_lock_irq(&phba
->hbalock
);
1027 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1028 spin_unlock_irq(&phba
->hbalock
);
1032 * Firmware stops when it triggred erratt. That could cause the I/Os
1033 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1034 * SCSI layer retry it after re-establishing link.
1036 pring
= &psli
->ring
[psli
->fcp_ring
];
1037 lpfc_sli_abort_iocb_ring(phba
, pring
);
1040 * There was a firmware error. Take the hba offline and then
1041 * attempt to restart it.
1043 lpfc_offline_prep(phba
);
1046 /* Wait for the ER1 bit to clear.*/
1047 while (phba
->work_hs
& HS_FFER1
) {
1049 phba
->work_hs
= readl(phba
->HSregaddr
);
1050 /* If driver is unloading let the worker thread continue */
1051 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1058 * This is to ptrotect against a race condition in which
1059 * first write to the host attention register clear the
1060 * host status register.
1062 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1063 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1065 spin_lock_irq(&phba
->hbalock
);
1066 phba
->hba_flag
&= ~DEFER_ERATT
;
1067 spin_unlock_irq(&phba
->hbalock
);
1068 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1069 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1073 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1075 struct lpfc_board_event_header board_event
;
1076 struct Scsi_Host
*shost
;
1078 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1079 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1080 shost
= lpfc_shost_from_vport(phba
->pport
);
1081 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1082 sizeof(board_event
),
1083 (char *) &board_event
,
1088 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1089 * @phba: pointer to lpfc hba data structure.
1091 * This routine is invoked to handle the following HBA hardware error
1093 * 1 - HBA error attention interrupt
1094 * 2 - DMA ring index out of range
1095 * 3 - Mailbox command came back as unknown
1098 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1100 struct lpfc_vport
*vport
= phba
->pport
;
1101 struct lpfc_sli
*psli
= &phba
->sli
;
1102 struct lpfc_sli_ring
*pring
;
1103 uint32_t event_data
;
1104 unsigned long temperature
;
1105 struct temp_event temp_event_data
;
1106 struct Scsi_Host
*shost
;
1108 /* If the pci channel is offline, ignore possible errors,
1109 * since we cannot communicate with the pci card anyway.
1111 if (pci_channel_offline(phba
->pcidev
)) {
1112 spin_lock_irq(&phba
->hbalock
);
1113 phba
->hba_flag
&= ~DEFER_ERATT
;
1114 spin_unlock_irq(&phba
->hbalock
);
1118 /* If resets are disabled then leave the HBA alone and return */
1119 if (!phba
->cfg_enable_hba_reset
)
1122 /* Send an internal error event to mgmt application */
1123 lpfc_board_errevt_to_mgmt(phba
);
1125 if (phba
->hba_flag
& DEFER_ERATT
)
1126 lpfc_handle_deferred_eratt(phba
);
1128 if (phba
->work_hs
& HS_FFER6
) {
1129 /* Re-establishing Link */
1130 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1131 "1301 Re-establishing Link "
1132 "Data: x%x x%x x%x\n",
1134 phba
->work_status
[0], phba
->work_status
[1]);
1136 spin_lock_irq(&phba
->hbalock
);
1137 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1138 spin_unlock_irq(&phba
->hbalock
);
1141 * Firmware stops when it triggled erratt with HS_FFER6.
1142 * That could cause the I/Os dropped by the firmware.
1143 * Error iocb (I/O) on txcmplq and let the SCSI layer
1144 * retry it after re-establishing link.
1146 pring
= &psli
->ring
[psli
->fcp_ring
];
1147 lpfc_sli_abort_iocb_ring(phba
, pring
);
1150 * There was a firmware error. Take the hba offline and then
1151 * attempt to restart it.
1153 lpfc_offline_prep(phba
);
1155 lpfc_sli_brdrestart(phba
);
1156 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1157 lpfc_unblock_mgmt_io(phba
);
1160 lpfc_unblock_mgmt_io(phba
);
1161 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1162 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1163 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1164 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1165 temp_event_data
.data
= (uint32_t)temperature
;
1167 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1168 "0406 Adapter maximum temperature exceeded "
1169 "(%ld), taking this port offline "
1170 "Data: x%x x%x x%x\n",
1171 temperature
, phba
->work_hs
,
1172 phba
->work_status
[0], phba
->work_status
[1]);
1174 shost
= lpfc_shost_from_vport(phba
->pport
);
1175 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1176 sizeof(temp_event_data
),
1177 (char *) &temp_event_data
,
1178 SCSI_NL_VID_TYPE_PCI
1179 | PCI_VENDOR_ID_EMULEX
);
1181 spin_lock_irq(&phba
->hbalock
);
1182 phba
->over_temp_state
= HBA_OVER_TEMP
;
1183 spin_unlock_irq(&phba
->hbalock
);
1184 lpfc_offline_eratt(phba
);
1187 /* The if clause above forces this code path when the status
1188 * failure is a value other than FFER6. Do not call the offline
1189 * twice. This is the adapter hardware error path.
1191 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1192 "0457 Adapter Hardware Error "
1193 "Data: x%x x%x x%x\n",
1195 phba
->work_status
[0], phba
->work_status
[1]);
1197 event_data
= FC_REG_DUMP_EVENT
;
1198 shost
= lpfc_shost_from_vport(vport
);
1199 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1200 sizeof(event_data
), (char *) &event_data
,
1201 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1203 lpfc_offline_eratt(phba
);
1209 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1210 * @phba: pointer to lpfc hba data structure.
1212 * This routine is invoked to handle the SLI4 HBA hardware error attention
1216 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1218 struct lpfc_vport
*vport
= phba
->pport
;
1219 uint32_t event_data
;
1220 struct Scsi_Host
*shost
;
1222 /* If the pci channel is offline, ignore possible errors, since
1223 * we cannot communicate with the pci card anyway.
1225 if (pci_channel_offline(phba
->pcidev
))
1227 /* If resets are disabled then leave the HBA alone and return */
1228 if (!phba
->cfg_enable_hba_reset
)
1231 /* Send an internal error event to mgmt application */
1232 lpfc_board_errevt_to_mgmt(phba
);
1234 /* For now, the actual action for SLI4 device handling is not
1235 * specified yet, just treated it as adaptor hardware failure
1237 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1238 "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
1239 phba
->work_status
[0], phba
->work_status
[1]);
1241 event_data
= FC_REG_DUMP_EVENT
;
1242 shost
= lpfc_shost_from_vport(vport
);
1243 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1244 sizeof(event_data
), (char *) &event_data
,
1245 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1247 lpfc_sli4_offline_eratt(phba
);
1251 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1252 * @phba: pointer to lpfc HBA data structure.
1254 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1255 * routine from the API jump table function pointer from the lpfc_hba struct.
1259 * Any other value - error.
1262 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1264 (*phba
->lpfc_handle_eratt
)(phba
);
1268 * lpfc_handle_latt - The HBA link event handler
1269 * @phba: pointer to lpfc hba data structure.
1271 * This routine is invoked from the worker thread to handle a HBA host
1272 * attention link event.
1275 lpfc_handle_latt(struct lpfc_hba
*phba
)
1277 struct lpfc_vport
*vport
= phba
->pport
;
1278 struct lpfc_sli
*psli
= &phba
->sli
;
1280 volatile uint32_t control
;
1281 struct lpfc_dmabuf
*mp
;
1284 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1287 goto lpfc_handle_latt_err_exit
;
1290 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1293 goto lpfc_handle_latt_free_pmb
;
1296 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1299 goto lpfc_handle_latt_free_mp
;
1302 /* Cleanup any outstanding ELS commands */
1303 lpfc_els_flush_all_cmd(phba
);
1305 psli
->slistat
.link_event
++;
1306 lpfc_read_la(phba
, pmb
, mp
);
1307 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
1309 /* Block ELS IOCBs until we have processed this mbox command */
1310 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1311 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1312 if (rc
== MBX_NOT_FINISHED
) {
1314 goto lpfc_handle_latt_free_mbuf
;
1317 /* Clear Link Attention in HA REG */
1318 spin_lock_irq(&phba
->hbalock
);
1319 writel(HA_LATT
, phba
->HAregaddr
);
1320 readl(phba
->HAregaddr
); /* flush */
1321 spin_unlock_irq(&phba
->hbalock
);
1325 lpfc_handle_latt_free_mbuf
:
1326 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1327 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1328 lpfc_handle_latt_free_mp
:
1330 lpfc_handle_latt_free_pmb
:
1331 mempool_free(pmb
, phba
->mbox_mem_pool
);
1332 lpfc_handle_latt_err_exit
:
1333 /* Enable Link attention interrupts */
1334 spin_lock_irq(&phba
->hbalock
);
1335 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1336 control
= readl(phba
->HCregaddr
);
1337 control
|= HC_LAINT_ENA
;
1338 writel(control
, phba
->HCregaddr
);
1339 readl(phba
->HCregaddr
); /* flush */
1341 /* Clear Link Attention in HA REG */
1342 writel(HA_LATT
, phba
->HAregaddr
);
1343 readl(phba
->HAregaddr
); /* flush */
1344 spin_unlock_irq(&phba
->hbalock
);
1345 lpfc_linkdown(phba
);
1346 phba
->link_state
= LPFC_HBA_ERROR
;
1348 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1349 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1355 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1356 * @phba: pointer to lpfc hba data structure.
1357 * @vpd: pointer to the vital product data.
1358 * @len: length of the vital product data in bytes.
1360 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1361 * an array of characters. In this routine, the ModelName, ProgramType, and
1362 * ModelDesc, etc. fields of the phba data structure will be populated.
1365 * 0 - pointer to the VPD passed in is NULL
1369 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1371 uint8_t lenlo
, lenhi
;
1381 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1382 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1383 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1385 while (!finished
&& (index
< (len
- 4))) {
1386 switch (vpd
[index
]) {
1394 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1403 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1404 if (Length
> len
- index
)
1405 Length
= len
- index
;
1406 while (Length
> 0) {
1407 /* Look for Serial Number */
1408 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1415 phba
->SerialNumber
[j
++] = vpd
[index
++];
1419 phba
->SerialNumber
[j
] = 0;
1422 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1423 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1430 phba
->ModelDesc
[j
++] = vpd
[index
++];
1434 phba
->ModelDesc
[j
] = 0;
1437 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1438 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1445 phba
->ModelName
[j
++] = vpd
[index
++];
1449 phba
->ModelName
[j
] = 0;
1452 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1453 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1460 phba
->ProgramType
[j
++] = vpd
[index
++];
1464 phba
->ProgramType
[j
] = 0;
1467 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1468 phba
->vpd_flag
|= VPD_PORT
;
1475 phba
->Port
[j
++] = vpd
[index
++];
1505 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1506 * @phba: pointer to lpfc hba data structure.
1507 * @mdp: pointer to the data structure to hold the derived model name.
1508 * @descp: pointer to the data structure to hold the derived description.
1510 * This routine retrieves HBA's description based on its registered PCI device
1511 * ID. The @descp passed into this function points to an array of 256 chars. It
1512 * shall be returned with the model name, maximum speed, and the host bus type.
1513 * The @mdp passed into this function points to an array of 80 chars. When the
1514 * function returns, the @mdp will be filled with the model name.
1517 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1520 uint16_t dev_id
= phba
->pcidev
->device
;
1523 int oneConnect
= 0; /* default is not a oneConnect */
1528 } m
= {"<Unknown>", 0, ""};
1530 if (mdp
&& mdp
[0] != '\0'
1531 && descp
&& descp
[0] != '\0')
1534 if (phba
->lmt
& LMT_10Gb
)
1536 else if (phba
->lmt
& LMT_8Gb
)
1538 else if (phba
->lmt
& LMT_4Gb
)
1540 else if (phba
->lmt
& LMT_2Gb
)
1548 case PCI_DEVICE_ID_FIREFLY
:
1549 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
1551 case PCI_DEVICE_ID_SUPERFLY
:
1552 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1553 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1555 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1557 case PCI_DEVICE_ID_DRAGONFLY
:
1558 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1560 case PCI_DEVICE_ID_CENTAUR
:
1561 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1562 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1564 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1566 case PCI_DEVICE_ID_RFLY
:
1567 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1569 case PCI_DEVICE_ID_PEGASUS
:
1570 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1572 case PCI_DEVICE_ID_THOR
:
1573 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1575 case PCI_DEVICE_ID_VIPER
:
1576 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1578 case PCI_DEVICE_ID_PFLY
:
1579 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1581 case PCI_DEVICE_ID_TFLY
:
1582 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1584 case PCI_DEVICE_ID_HELIOS
:
1585 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1587 case PCI_DEVICE_ID_HELIOS_SCSP
:
1588 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1590 case PCI_DEVICE_ID_HELIOS_DCSP
:
1591 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1593 case PCI_DEVICE_ID_NEPTUNE
:
1594 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1596 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1597 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1599 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1600 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1602 case PCI_DEVICE_ID_BMID
:
1603 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1605 case PCI_DEVICE_ID_BSMB
:
1606 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1608 case PCI_DEVICE_ID_ZEPHYR
:
1609 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1611 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1612 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1614 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1615 m
= (typeof(m
)){"LP2105", max_speed
, "PCIe"};
1618 case PCI_DEVICE_ID_ZMID
:
1619 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1621 case PCI_DEVICE_ID_ZSMB
:
1622 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1624 case PCI_DEVICE_ID_LP101
:
1625 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1627 case PCI_DEVICE_ID_LP10000S
:
1628 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1630 case PCI_DEVICE_ID_LP11000S
:
1631 m
= (typeof(m
)){"LP11000-S", max_speed
,
1634 case PCI_DEVICE_ID_LPE11000S
:
1635 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1638 case PCI_DEVICE_ID_SAT
:
1639 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1641 case PCI_DEVICE_ID_SAT_MID
:
1642 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1644 case PCI_DEVICE_ID_SAT_SMB
:
1645 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1647 case PCI_DEVICE_ID_SAT_DCSP
:
1648 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1650 case PCI_DEVICE_ID_SAT_SCSP
:
1651 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1653 case PCI_DEVICE_ID_SAT_S
:
1654 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1656 case PCI_DEVICE_ID_HORNET
:
1657 m
= (typeof(m
)){"LP21000", max_speed
, "PCIe"};
1660 case PCI_DEVICE_ID_PROTEUS_VF
:
1661 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1663 case PCI_DEVICE_ID_PROTEUS_PF
:
1664 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1666 case PCI_DEVICE_ID_PROTEUS_S
:
1667 m
= (typeof(m
)) {"LPemv12002-S", max_speed
, "PCIe IOV"};
1669 case PCI_DEVICE_ID_TIGERSHARK
:
1671 m
= (typeof(m
)) {"OCe10100-F", max_speed
, "PCIe"};
1673 case PCI_DEVICE_ID_TS_BE3
:
1675 m
= (typeof(m
)) {"OCeXXXXX-F", max_speed
, "PCIe"};
1678 m
= (typeof(m
)){ NULL
};
1682 if (mdp
&& mdp
[0] == '\0')
1683 snprintf(mdp
, 79,"%s", m
.name
);
1684 /* oneConnect hba requires special processing, they are all initiators
1685 * and we put the port number on the end
1687 if (descp
&& descp
[0] == '\0') {
1689 snprintf(descp
, 255,
1690 "Emulex OneConnect %s, FCoE Initiator, Port %s",
1694 snprintf(descp
, 255,
1695 "Emulex %s %d%s %s %s",
1696 m
.name
, m
.max_speed
,
1699 (GE
) ? "FCoE Adapter" :
1700 "Fibre Channel Adapter");
1705 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1706 * @phba: pointer to lpfc hba data structure.
1707 * @pring: pointer to a IOCB ring.
1708 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1710 * This routine posts a given number of IOCBs with the associated DMA buffer
1711 * descriptors specified by the cnt argument to the given IOCB ring.
1714 * The number of IOCBs NOT able to be posted to the IOCB ring.
1717 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
1720 struct lpfc_iocbq
*iocb
;
1721 struct lpfc_dmabuf
*mp1
, *mp2
;
1723 cnt
+= pring
->missbufcnt
;
1725 /* While there are buffers to post */
1727 /* Allocate buffer for command iocb */
1728 iocb
= lpfc_sli_get_iocbq(phba
);
1730 pring
->missbufcnt
= cnt
;
1735 /* 2 buffers can be posted per command */
1736 /* Allocate buffer to post */
1737 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1739 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1740 if (!mp1
|| !mp1
->virt
) {
1742 lpfc_sli_release_iocbq(phba
, iocb
);
1743 pring
->missbufcnt
= cnt
;
1747 INIT_LIST_HEAD(&mp1
->list
);
1748 /* Allocate buffer to post */
1750 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1752 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1754 if (!mp2
|| !mp2
->virt
) {
1756 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1758 lpfc_sli_release_iocbq(phba
, iocb
);
1759 pring
->missbufcnt
= cnt
;
1763 INIT_LIST_HEAD(&mp2
->list
);
1768 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1769 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1770 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1771 icmd
->ulpBdeCount
= 1;
1774 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1775 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1776 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1778 icmd
->ulpBdeCount
= 2;
1781 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1784 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
1786 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1790 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1794 lpfc_sli_release_iocbq(phba
, iocb
);
1795 pring
->missbufcnt
= cnt
;
1798 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1800 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1802 pring
->missbufcnt
= 0;
1807 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1808 * @phba: pointer to lpfc hba data structure.
1810 * This routine posts initial receive IOCB buffers to the ELS ring. The
1811 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1815 * 0 - success (currently always success)
1818 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1820 struct lpfc_sli
*psli
= &phba
->sli
;
1822 /* Ring 0, ELS / CT buffers */
1823 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
1824 /* Ring 2 - FCP no buffers needed */
1829 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1832 * lpfc_sha_init - Set up initial array of hash table entries
1833 * @HashResultPointer: pointer to an array as hash table.
1835 * This routine sets up the initial values to the array of hash table entries
1839 lpfc_sha_init(uint32_t * HashResultPointer
)
1841 HashResultPointer
[0] = 0x67452301;
1842 HashResultPointer
[1] = 0xEFCDAB89;
1843 HashResultPointer
[2] = 0x98BADCFE;
1844 HashResultPointer
[3] = 0x10325476;
1845 HashResultPointer
[4] = 0xC3D2E1F0;
1849 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1850 * @HashResultPointer: pointer to an initial/result hash table.
1851 * @HashWorkingPointer: pointer to an working hash table.
1853 * This routine iterates an initial hash table pointed by @HashResultPointer
1854 * with the values from the working hash table pointeed by @HashWorkingPointer.
1855 * The results are putting back to the initial hash table, returned through
1856 * the @HashResultPointer as the result hash table.
1859 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1863 uint32_t A
, B
, C
, D
, E
;
1866 HashWorkingPointer
[t
] =
1868 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1870 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1871 } while (++t
<= 79);
1873 A
= HashResultPointer
[0];
1874 B
= HashResultPointer
[1];
1875 C
= HashResultPointer
[2];
1876 D
= HashResultPointer
[3];
1877 E
= HashResultPointer
[4];
1881 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1882 } else if (t
< 40) {
1883 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1884 } else if (t
< 60) {
1885 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1887 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1889 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1895 } while (++t
<= 79);
1897 HashResultPointer
[0] += A
;
1898 HashResultPointer
[1] += B
;
1899 HashResultPointer
[2] += C
;
1900 HashResultPointer
[3] += D
;
1901 HashResultPointer
[4] += E
;
1906 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1907 * @RandomChallenge: pointer to the entry of host challenge random number array.
1908 * @HashWorking: pointer to the entry of the working hash array.
1910 * This routine calculates the working hash array referred by @HashWorking
1911 * from the challenge random numbers associated with the host, referred by
1912 * @RandomChallenge. The result is put into the entry of the working hash
1913 * array and returned by reference through @HashWorking.
1916 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1918 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1922 * lpfc_hba_init - Perform special handling for LC HBA initialization
1923 * @phba: pointer to lpfc hba data structure.
1924 * @hbainit: pointer to an array of unsigned 32-bit integers.
1926 * This routine performs the special handling for LC HBA initialization.
1929 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1932 uint32_t *HashWorking
;
1933 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1935 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1939 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1940 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1942 for (t
= 0; t
< 7; t
++)
1943 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1945 lpfc_sha_init(hbainit
);
1946 lpfc_sha_iterate(hbainit
, HashWorking
);
1951 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1952 * @vport: pointer to a virtual N_Port data structure.
1954 * This routine performs the necessary cleanups before deleting the @vport.
1955 * It invokes the discovery state machine to perform necessary state
1956 * transitions and to release the ndlps associated with the @vport. Note,
1957 * the physical port is treated as @vport 0.
1960 lpfc_cleanup(struct lpfc_vport
*vport
)
1962 struct lpfc_hba
*phba
= vport
->phba
;
1963 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1966 if (phba
->link_state
> LPFC_LINK_DOWN
)
1967 lpfc_port_link_failure(vport
);
1969 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1970 if (!NLP_CHK_NODE_ACT(ndlp
)) {
1971 ndlp
= lpfc_enable_node(vport
, ndlp
,
1972 NLP_STE_UNUSED_NODE
);
1975 spin_lock_irq(&phba
->ndlp_lock
);
1976 NLP_SET_FREE_REQ(ndlp
);
1977 spin_unlock_irq(&phba
->ndlp_lock
);
1978 /* Trigger the release of the ndlp memory */
1982 spin_lock_irq(&phba
->ndlp_lock
);
1983 if (NLP_CHK_FREE_REQ(ndlp
)) {
1984 /* The ndlp should not be in memory free mode already */
1985 spin_unlock_irq(&phba
->ndlp_lock
);
1988 /* Indicate request for freeing ndlp memory */
1989 NLP_SET_FREE_REQ(ndlp
);
1990 spin_unlock_irq(&phba
->ndlp_lock
);
1992 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
1993 ndlp
->nlp_DID
== Fabric_DID
) {
1994 /* Just free up ndlp with Fabric_DID for vports */
1999 if (ndlp
->nlp_type
& NLP_FABRIC
)
2000 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2001 NLP_EVT_DEVICE_RECOVERY
);
2003 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2008 /* At this point, ALL ndlp's should be gone
2009 * because of the previous NLP_EVT_DEVICE_RM.
2010 * Lets wait for this to happen, if needed.
2012 while (!list_empty(&vport
->fc_nodes
)) {
2014 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2015 "0233 Nodelist not empty\n");
2016 list_for_each_entry_safe(ndlp
, next_ndlp
,
2017 &vport
->fc_nodes
, nlp_listp
) {
2018 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2020 "0282 did:x%x ndlp:x%p "
2021 "usgmap:x%x refcnt:%d\n",
2022 ndlp
->nlp_DID
, (void *)ndlp
,
2025 &ndlp
->kref
.refcount
));
2030 /* Wait for any activity on ndlps to settle */
2036 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2037 * @vport: pointer to a virtual N_Port data structure.
2039 * This routine stops all the timers associated with a @vport. This function
2040 * is invoked before disabling or deleting a @vport. Note that the physical
2041 * port is treated as @vport 0.
2044 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2046 del_timer_sync(&vport
->els_tmofunc
);
2047 del_timer_sync(&vport
->fc_fdmitmo
);
2048 lpfc_can_disctmo(vport
);
2053 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2054 * @phba: pointer to lpfc hba data structure.
2056 * This routine stops all the timers associated with a HBA. This function is
2057 * invoked before either putting a HBA offline or unloading the driver.
2060 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2062 lpfc_stop_vport_timers(phba
->pport
);
2063 del_timer_sync(&phba
->sli
.mbox_tmo
);
2064 del_timer_sync(&phba
->fabric_block_timer
);
2065 del_timer_sync(&phba
->eratt_poll
);
2066 del_timer_sync(&phba
->hb_tmofunc
);
2067 phba
->hb_outstanding
= 0;
2069 switch (phba
->pci_dev_grp
) {
2070 case LPFC_PCI_DEV_LP
:
2071 /* Stop any LightPulse device specific driver timers */
2072 del_timer_sync(&phba
->fcp_poll_timer
);
2074 case LPFC_PCI_DEV_OC
:
2075 /* Stop any OneConnect device sepcific driver timers */
2078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2079 "0297 Invalid device group (x%x)\n",
2087 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2088 * @phba: pointer to lpfc hba data structure.
2090 * This routine marks a HBA's management interface as blocked. Once the HBA's
2091 * management interface is marked as blocked, all the user space access to
2092 * the HBA, whether they are from sysfs interface or libdfc interface will
2093 * all be blocked. The HBA is set to block the management interface when the
2094 * driver prepares the HBA interface for online or offline.
2097 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2099 unsigned long iflag
;
2101 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2102 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2103 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2107 * lpfc_online - Initialize and bring a HBA online
2108 * @phba: pointer to lpfc hba data structure.
2110 * This routine initializes the HBA and brings a HBA online. During this
2111 * process, the management interface is blocked to prevent user space access
2112 * to the HBA interfering with the driver initialization.
2119 lpfc_online(struct lpfc_hba
*phba
)
2121 struct lpfc_vport
*vport
;
2122 struct lpfc_vport
**vports
;
2127 vport
= phba
->pport
;
2129 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2132 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2133 "0458 Bring Adapter online\n");
2135 lpfc_block_mgmt_io(phba
);
2137 if (!lpfc_sli_queue_setup(phba
)) {
2138 lpfc_unblock_mgmt_io(phba
);
2142 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2143 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2144 lpfc_unblock_mgmt_io(phba
);
2148 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2149 lpfc_unblock_mgmt_io(phba
);
2154 vports
= lpfc_create_vport_work_array(phba
);
2156 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2157 struct Scsi_Host
*shost
;
2158 shost
= lpfc_shost_from_vport(vports
[i
]);
2159 spin_lock_irq(shost
->host_lock
);
2160 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2161 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2162 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2163 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2164 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2165 spin_unlock_irq(shost
->host_lock
);
2167 lpfc_destroy_vport_work_array(phba
, vports
);
2169 lpfc_unblock_mgmt_io(phba
);
2174 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2175 * @phba: pointer to lpfc hba data structure.
2177 * This routine marks a HBA's management interface as not blocked. Once the
2178 * HBA's management interface is marked as not blocked, all the user space
2179 * access to the HBA, whether they are from sysfs interface or libdfc
2180 * interface will be allowed. The HBA is set to block the management interface
2181 * when the driver prepares the HBA interface for online or offline and then
2182 * set to unblock the management interface afterwards.
2185 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2187 unsigned long iflag
;
2189 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2190 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2191 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2195 * lpfc_offline_prep - Prepare a HBA to be brought offline
2196 * @phba: pointer to lpfc hba data structure.
2198 * This routine is invoked to prepare a HBA to be brought offline. It performs
2199 * unregistration login to all the nodes on all vports and flushes the mailbox
2200 * queue to make it ready to be brought offline.
2203 lpfc_offline_prep(struct lpfc_hba
* phba
)
2205 struct lpfc_vport
*vport
= phba
->pport
;
2206 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2207 struct lpfc_vport
**vports
;
2210 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2213 lpfc_block_mgmt_io(phba
);
2215 lpfc_linkdown(phba
);
2217 /* Issue an unreg_login to all nodes on all vports */
2218 vports
= lpfc_create_vport_work_array(phba
);
2219 if (vports
!= NULL
) {
2220 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2221 struct Scsi_Host
*shost
;
2223 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2225 vports
[i
]->vfi_state
&= ~LPFC_VFI_REGISTERED
;
2226 shost
= lpfc_shost_from_vport(vports
[i
]);
2227 list_for_each_entry_safe(ndlp
, next_ndlp
,
2228 &vports
[i
]->fc_nodes
,
2230 if (!NLP_CHK_NODE_ACT(ndlp
))
2232 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2234 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2235 lpfc_disc_state_machine(vports
[i
], ndlp
,
2236 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2237 lpfc_disc_state_machine(vports
[i
], ndlp
,
2238 NULL
, NLP_EVT_DEVICE_RM
);
2240 spin_lock_irq(shost
->host_lock
);
2241 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2242 spin_unlock_irq(shost
->host_lock
);
2243 lpfc_unreg_rpi(vports
[i
], ndlp
);
2247 lpfc_destroy_vport_work_array(phba
, vports
);
2249 lpfc_sli_mbox_sys_shutdown(phba
);
2253 * lpfc_offline - Bring a HBA offline
2254 * @phba: pointer to lpfc hba data structure.
2256 * This routine actually brings a HBA offline. It stops all the timers
2257 * associated with the HBA, brings down the SLI layer, and eventually
2258 * marks the HBA as in offline state for the upper layer protocol.
2261 lpfc_offline(struct lpfc_hba
*phba
)
2263 struct Scsi_Host
*shost
;
2264 struct lpfc_vport
**vports
;
2267 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2270 /* stop port and all timers associated with this hba */
2271 lpfc_stop_port(phba
);
2272 vports
= lpfc_create_vport_work_array(phba
);
2274 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2275 lpfc_stop_vport_timers(vports
[i
]);
2276 lpfc_destroy_vport_work_array(phba
, vports
);
2277 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2278 "0460 Bring Adapter offline\n");
2279 /* Bring down the SLI Layer and cleanup. The HBA is offline
2281 lpfc_sli_hba_down(phba
);
2282 spin_lock_irq(&phba
->hbalock
);
2284 spin_unlock_irq(&phba
->hbalock
);
2285 vports
= lpfc_create_vport_work_array(phba
);
2287 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2288 shost
= lpfc_shost_from_vport(vports
[i
]);
2289 spin_lock_irq(shost
->host_lock
);
2290 vports
[i
]->work_port_events
= 0;
2291 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2292 spin_unlock_irq(shost
->host_lock
);
2294 lpfc_destroy_vport_work_array(phba
, vports
);
2298 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2299 * @phba: pointer to lpfc hba data structure.
2301 * This routine is to free all the SCSI buffers and IOCBs from the driver
2302 * list back to kernel. It is called from lpfc_pci_remove_one to free
2303 * the internal resources before the device is removed from the system.
2306 * 0 - successful (for now, it always returns 0)
2309 lpfc_scsi_free(struct lpfc_hba
*phba
)
2311 struct lpfc_scsi_buf
*sb
, *sb_next
;
2312 struct lpfc_iocbq
*io
, *io_next
;
2314 spin_lock_irq(&phba
->hbalock
);
2315 /* Release all the lpfc_scsi_bufs maintained by this host. */
2316 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2317 list_del(&sb
->list
);
2318 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2321 phba
->total_scsi_bufs
--;
2324 /* Release all the lpfc_iocbq entries maintained by this host. */
2325 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2326 list_del(&io
->list
);
2328 phba
->total_iocbq_bufs
--;
2331 spin_unlock_irq(&phba
->hbalock
);
2337 * lpfc_create_port - Create an FC port
2338 * @phba: pointer to lpfc hba data structure.
2339 * @instance: a unique integer ID to this FC port.
2340 * @dev: pointer to the device data structure.
2342 * This routine creates a FC port for the upper layer protocol. The FC port
2343 * can be created on top of either a physical port or a virtual port provided
2344 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2345 * and associates the FC port created before adding the shost into the SCSI
2349 * @vport - pointer to the virtual N_Port data structure.
2350 * NULL - port create failed.
2353 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2355 struct lpfc_vport
*vport
;
2356 struct Scsi_Host
*shost
;
2359 if (dev
!= &phba
->pcidev
->dev
)
2360 shost
= scsi_host_alloc(&lpfc_vport_template
,
2361 sizeof(struct lpfc_vport
));
2363 shost
= scsi_host_alloc(&lpfc_template
,
2364 sizeof(struct lpfc_vport
));
2368 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2370 vport
->load_flag
|= FC_LOADING
;
2371 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2372 vport
->fc_rscn_flush
= 0;
2374 lpfc_get_vport_cfgparam(vport
);
2375 shost
->unique_id
= instance
;
2376 shost
->max_id
= LPFC_MAX_TARGET
;
2377 shost
->max_lun
= vport
->cfg_max_luns
;
2378 shost
->this_id
= -1;
2379 shost
->max_cmd_len
= 16;
2380 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2381 shost
->dma_boundary
= LPFC_SLI4_MAX_SEGMENT_SIZE
;
2382 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2386 * Set initial can_queue value since 0 is no longer supported and
2387 * scsi_add_host will fail. This will be adjusted later based on the
2388 * max xri value determined in hba setup.
2390 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2391 if (dev
!= &phba
->pcidev
->dev
) {
2392 shost
->transportt
= lpfc_vport_transport_template
;
2393 vport
->port_type
= LPFC_NPIV_PORT
;
2395 shost
->transportt
= lpfc_transport_template
;
2396 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2399 /* Initialize all internally managed lists. */
2400 INIT_LIST_HEAD(&vport
->fc_nodes
);
2401 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2402 spin_lock_init(&vport
->work_port_lock
);
2404 init_timer(&vport
->fc_disctmo
);
2405 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2406 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2408 init_timer(&vport
->fc_fdmitmo
);
2409 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2410 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2412 init_timer(&vport
->els_tmofunc
);
2413 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2414 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2416 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2420 spin_lock_irq(&phba
->hbalock
);
2421 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2422 spin_unlock_irq(&phba
->hbalock
);
2426 scsi_host_put(shost
);
2432 * destroy_port - destroy an FC port
2433 * @vport: pointer to an lpfc virtual N_Port data structure.
2435 * This routine destroys a FC port from the upper layer protocol. All the
2436 * resources associated with the port are released.
2439 destroy_port(struct lpfc_vport
*vport
)
2441 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2442 struct lpfc_hba
*phba
= vport
->phba
;
2444 lpfc_debugfs_terminate(vport
);
2445 fc_remove_host(shost
);
2446 scsi_remove_host(shost
);
2448 spin_lock_irq(&phba
->hbalock
);
2449 list_del_init(&vport
->listentry
);
2450 spin_unlock_irq(&phba
->hbalock
);
2452 lpfc_cleanup(vport
);
2457 * lpfc_get_instance - Get a unique integer ID
2459 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2460 * uses the kernel idr facility to perform the task.
2463 * instance - a unique integer ID allocated as the new instance.
2464 * -1 - lpfc get instance failed.
2467 lpfc_get_instance(void)
2471 /* Assign an unused number */
2472 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2474 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2480 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2481 * @shost: pointer to SCSI host data structure.
2482 * @time: elapsed time of the scan in jiffies.
2484 * This routine is called by the SCSI layer with a SCSI host to determine
2485 * whether the scan host is finished.
2487 * Note: there is no scan_start function as adapter initialization will have
2488 * asynchronously kicked off the link initialization.
2491 * 0 - SCSI host scan is not over yet.
2492 * 1 - SCSI host scan is over.
2494 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2496 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2497 struct lpfc_hba
*phba
= vport
->phba
;
2500 spin_lock_irq(shost
->host_lock
);
2502 if (vport
->load_flag
& FC_UNLOADING
) {
2506 if (time
>= 30 * HZ
) {
2507 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2508 "0461 Scanning longer than 30 "
2509 "seconds. Continuing initialization\n");
2513 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2514 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2515 "0465 Link down longer than 15 "
2516 "seconds. Continuing initialization\n");
2521 if (vport
->port_state
!= LPFC_VPORT_READY
)
2523 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2525 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2527 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2533 spin_unlock_irq(shost
->host_lock
);
2538 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2539 * @shost: pointer to SCSI host data structure.
2541 * This routine initializes a given SCSI host attributes on a FC port. The
2542 * SCSI host can be either on top of a physical port or a virtual port.
2544 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2546 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2547 struct lpfc_hba
*phba
= vport
->phba
;
2549 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2552 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2553 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2554 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2556 memset(fc_host_supported_fc4s(shost
), 0,
2557 sizeof(fc_host_supported_fc4s(shost
)));
2558 fc_host_supported_fc4s(shost
)[2] = 1;
2559 fc_host_supported_fc4s(shost
)[7] = 1;
2561 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2562 sizeof fc_host_symbolic_name(shost
));
2564 fc_host_supported_speeds(shost
) = 0;
2565 if (phba
->lmt
& LMT_10Gb
)
2566 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2567 if (phba
->lmt
& LMT_8Gb
)
2568 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2569 if (phba
->lmt
& LMT_4Gb
)
2570 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2571 if (phba
->lmt
& LMT_2Gb
)
2572 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2573 if (phba
->lmt
& LMT_1Gb
)
2574 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2576 fc_host_maxframe_size(shost
) =
2577 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2578 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2580 /* This value is also unchanging */
2581 memset(fc_host_active_fc4s(shost
), 0,
2582 sizeof(fc_host_active_fc4s(shost
)));
2583 fc_host_active_fc4s(shost
)[2] = 1;
2584 fc_host_active_fc4s(shost
)[7] = 1;
2586 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2587 spin_lock_irq(shost
->host_lock
);
2588 vport
->load_flag
&= ~FC_LOADING
;
2589 spin_unlock_irq(shost
->host_lock
);
2593 * lpfc_stop_port_s3 - Stop SLI3 device port
2594 * @phba: pointer to lpfc hba data structure.
2596 * This routine is invoked to stop an SLI3 device port, it stops the device
2597 * from generating interrupts and stops the device driver's timers for the
2601 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2603 /* Clear all interrupt enable conditions */
2604 writel(0, phba
->HCregaddr
);
2605 readl(phba
->HCregaddr
); /* flush */
2606 /* Clear all pending interrupts */
2607 writel(0xffffffff, phba
->HAregaddr
);
2608 readl(phba
->HAregaddr
); /* flush */
2610 /* Reset some HBA SLI setup states */
2611 lpfc_stop_hba_timers(phba
);
2612 phba
->pport
->work_port_events
= 0;
2616 * lpfc_stop_port_s4 - Stop SLI4 device port
2617 * @phba: pointer to lpfc hba data structure.
2619 * This routine is invoked to stop an SLI4 device port, it stops the device
2620 * from generating interrupts and stops the device driver's timers for the
2624 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
2626 /* Reset some HBA SLI4 setup states */
2627 lpfc_stop_hba_timers(phba
);
2628 phba
->pport
->work_port_events
= 0;
2629 phba
->sli4_hba
.intr_enable
= 0;
2630 /* Hard clear it for now, shall have more graceful way to wait later */
2631 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
2635 * lpfc_stop_port - Wrapper function for stopping hba port
2636 * @phba: Pointer to HBA context object.
2638 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2639 * the API jump table function pointer from the lpfc_hba struct.
2642 lpfc_stop_port(struct lpfc_hba
*phba
)
2644 phba
->lpfc_stop_port(phba
);
2648 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2649 * @phba: pointer to lpfc hba data structure.
2651 * This routine is invoked to remove the driver default fcf record from
2652 * the port. This routine currently acts on FCF Index 0.
2656 lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*phba
)
2659 LPFC_MBOXQ_t
*mboxq
;
2660 struct lpfc_mbx_del_fcf_tbl_entry
*del_fcf_record
;
2661 uint32_t mbox_tmo
, req_len
;
2662 uint32_t shdr_status
, shdr_add_status
;
2664 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2667 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2671 req_len
= sizeof(struct lpfc_mbx_del_fcf_tbl_entry
) -
2672 sizeof(struct lpfc_sli4_cfg_mhdr
);
2673 rc
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
2674 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF
,
2675 req_len
, LPFC_SLI4_MBX_EMBED
);
2677 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2678 * supports multiple FCF indices.
2680 del_fcf_record
= &mboxq
->u
.mqe
.un
.del_fcf_entry
;
2681 bf_set(lpfc_mbx_del_fcf_tbl_count
, del_fcf_record
, 1);
2682 bf_set(lpfc_mbx_del_fcf_tbl_index
, del_fcf_record
,
2683 phba
->fcf
.fcf_indx
);
2685 if (!phba
->sli4_hba
.intr_enable
)
2686 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2688 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
2689 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
2691 /* The IOCTL status is embedded in the mailbox subheader. */
2692 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2693 &del_fcf_record
->header
.cfg_shdr
.response
);
2694 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2695 &del_fcf_record
->header
.cfg_shdr
.response
);
2696 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2697 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2698 "2516 DEL FCF of default FCF Index failed "
2699 "mbx status x%x, status x%x add_status x%x\n",
2700 rc
, shdr_status
, shdr_add_status
);
2702 if (rc
!= MBX_TIMEOUT
)
2703 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2707 * lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
2708 * @phba: pointer to lpfc hba data structure.
2710 * This function uses the QUERY_FW_CFG mailbox command to determine if the
2711 * firmware loaded supports FCoE. A return of zero indicates that the mailbox
2712 * was successful and the firmware supports FCoE. Any other return indicates
2713 * a error. It is assumed that this function will be called before interrupts
2717 lpfc_sli4_fw_cfg_check(struct lpfc_hba
*phba
)
2720 LPFC_MBOXQ_t
*mboxq
;
2721 struct lpfc_mbx_query_fw_cfg
*query_fw_cfg
;
2723 uint32_t shdr_status
, shdr_add_status
;
2725 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2727 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2728 "2621 Failed to allocate mbox for "
2729 "query firmware config cmd\n");
2732 query_fw_cfg
= &mboxq
->u
.mqe
.un
.query_fw_cfg
;
2733 length
= (sizeof(struct lpfc_mbx_query_fw_cfg
) -
2734 sizeof(struct lpfc_sli4_cfg_mhdr
));
2735 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
2736 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
2737 length
, LPFC_SLI4_MBX_EMBED
);
2738 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2739 /* The IOCTL status is embedded in the mailbox subheader. */
2740 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2741 &query_fw_cfg
->header
.cfg_shdr
.response
);
2742 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2743 &query_fw_cfg
->header
.cfg_shdr
.response
);
2744 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2745 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2746 "2622 Query Firmware Config failed "
2747 "mbx status x%x, status x%x add_status x%x\n",
2748 rc
, shdr_status
, shdr_add_status
);
2751 if (!bf_get(lpfc_function_mode_fcoe_i
, query_fw_cfg
)) {
2752 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2753 "2623 FCoE Function not supported by firmware. "
2754 "Function mode = %08x\n",
2755 query_fw_cfg
->function_mode
);
2758 if (rc
!= MBX_TIMEOUT
)
2759 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2764 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2765 * @phba: pointer to lpfc hba data structure.
2766 * @acqe_link: pointer to the async link completion queue entry.
2768 * This routine is to parse the SLI4 link-attention link fault code and
2769 * translate it into the base driver's read link attention mailbox command
2772 * Return: Link-attention status in terms of base driver's coding.
2775 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
2776 struct lpfc_acqe_link
*acqe_link
)
2778 uint16_t latt_fault
;
2780 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
2781 case LPFC_ASYNC_LINK_FAULT_NONE
:
2782 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
2783 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
2787 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2788 "0398 Invalid link fault code: x%x\n",
2789 bf_get(lpfc_acqe_link_fault
, acqe_link
));
2790 latt_fault
= MBXERR_ERROR
;
2797 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2798 * @phba: pointer to lpfc hba data structure.
2799 * @acqe_link: pointer to the async link completion queue entry.
2801 * This routine is to parse the SLI4 link attention type and translate it
2802 * into the base driver's link attention type coding.
2804 * Return: Link attention type in terms of base driver's coding.
2807 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
2808 struct lpfc_acqe_link
*acqe_link
)
2812 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
2813 case LPFC_ASYNC_LINK_STATUS_DOWN
:
2814 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
2815 att_type
= AT_LINK_DOWN
;
2817 case LPFC_ASYNC_LINK_STATUS_UP
:
2818 /* Ignore physical link up events - wait for logical link up */
2819 att_type
= AT_RESERVED
;
2821 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
2822 att_type
= AT_LINK_UP
;
2825 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2826 "0399 Invalid link attention type: x%x\n",
2827 bf_get(lpfc_acqe_link_status
, acqe_link
));
2828 att_type
= AT_RESERVED
;
2835 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2836 * @phba: pointer to lpfc hba data structure.
2837 * @acqe_link: pointer to the async link completion queue entry.
2839 * This routine is to parse the SLI4 link-attention link speed and translate
2840 * it into the base driver's link-attention link speed coding.
2842 * Return: Link-attention link speed in terms of base driver's coding.
2845 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
2846 struct lpfc_acqe_link
*acqe_link
)
2850 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
2851 case LPFC_ASYNC_LINK_SPEED_ZERO
:
2852 link_speed
= LA_UNKNW_LINK
;
2854 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
2855 link_speed
= LA_UNKNW_LINK
;
2857 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
2858 link_speed
= LA_UNKNW_LINK
;
2860 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
2861 link_speed
= LA_1GHZ_LINK
;
2863 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
2864 link_speed
= LA_10GHZ_LINK
;
2867 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2868 "0483 Invalid link-attention link speed: x%x\n",
2869 bf_get(lpfc_acqe_link_speed
, acqe_link
));
2870 link_speed
= LA_UNKNW_LINK
;
2877 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2878 * @phba: pointer to lpfc hba data structure.
2879 * @acqe_link: pointer to the async link completion queue entry.
2881 * This routine is to handle the SLI4 asynchronous link event.
2884 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
2885 struct lpfc_acqe_link
*acqe_link
)
2887 struct lpfc_dmabuf
*mp
;
2893 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
2894 if (att_type
!= AT_LINK_DOWN
&& att_type
!= AT_LINK_UP
)
2896 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
2897 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2899 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2900 "0395 The mboxq allocation failed\n");
2903 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2905 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2906 "0396 The lpfc_dmabuf allocation failed\n");
2909 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2911 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2912 "0397 The mbuf allocation failed\n");
2913 goto out_free_dmabuf
;
2916 /* Cleanup any outstanding ELS commands */
2917 lpfc_els_flush_all_cmd(phba
);
2919 /* Block ELS IOCBs until we have done process link event */
2920 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2922 /* Update link event statistics */
2923 phba
->sli
.slistat
.link_event
++;
2925 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2926 lpfc_read_la(phba
, pmb
, mp
);
2927 pmb
->vport
= phba
->pport
;
2929 /* Parse and translate status field */
2931 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
2933 /* Parse and translate link attention fields */
2934 la
= (READ_LA_VAR
*) &pmb
->u
.mb
.un
.varReadLA
;
2935 la
->eventTag
= acqe_link
->event_tag
;
2936 la
->attType
= att_type
;
2937 la
->UlnkSpeed
= lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
);
2939 /* Fake the the following irrelvant fields */
2940 la
->topology
= TOPOLOGY_PT_PT
;
2941 la
->granted_AL_PA
= 0;
2947 /* Keep the link status for extra SLI4 state machine reference */
2948 phba
->sli4_hba
.link_state
.speed
=
2949 bf_get(lpfc_acqe_link_speed
, acqe_link
);
2950 phba
->sli4_hba
.link_state
.duplex
=
2951 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
2952 phba
->sli4_hba
.link_state
.status
=
2953 bf_get(lpfc_acqe_link_status
, acqe_link
);
2954 phba
->sli4_hba
.link_state
.physical
=
2955 bf_get(lpfc_acqe_link_physical
, acqe_link
);
2956 phba
->sli4_hba
.link_state
.fault
=
2957 bf_get(lpfc_acqe_link_fault
, acqe_link
);
2959 /* Invoke the lpfc_handle_latt mailbox command callback function */
2960 lpfc_mbx_cmpl_read_la(phba
, pmb
);
2967 mempool_free(pmb
, phba
->mbox_mem_pool
);
2971 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2972 * @phba: pointer to lpfc hba data structure.
2973 * @acqe_link: pointer to the async fcoe completion queue entry.
2975 * This routine is to handle the SLI4 asynchronous fcoe event.
2978 lpfc_sli4_async_fcoe_evt(struct lpfc_hba
*phba
,
2979 struct lpfc_acqe_fcoe
*acqe_fcoe
)
2981 uint8_t event_type
= bf_get(lpfc_acqe_fcoe_event_type
, acqe_fcoe
);
2983 struct lpfc_vport
*vport
;
2984 struct lpfc_nodelist
*ndlp
;
2985 struct Scsi_Host
*shost
;
2987 phba
->fc_eventTag
= acqe_fcoe
->event_tag
;
2988 phba
->fcoe_eventtag
= acqe_fcoe
->event_tag
;
2989 switch (event_type
) {
2990 case LPFC_FCOE_EVENT_TYPE_NEW_FCF
:
2991 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2992 "2546 New FCF found index 0x%x tag 0x%x\n",
2994 acqe_fcoe
->event_tag
);
2996 * If the current FCF is in discovered state, or
2997 * FCF discovery is in progress do nothing.
2999 spin_lock_irq(&phba
->hbalock
);
3000 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERED
) ||
3001 (phba
->hba_flag
& FCF_DISC_INPROGRESS
)) {
3002 spin_unlock_irq(&phba
->hbalock
);
3005 spin_unlock_irq(&phba
->hbalock
);
3007 /* Read the FCF table and re-discover SAN. */
3008 rc
= lpfc_sli4_read_fcf_record(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3010 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3011 "2547 Read FCF record failed 0x%x\n",
3015 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL
:
3016 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3017 "2548 FCF Table full count 0x%x tag 0x%x\n",
3018 bf_get(lpfc_acqe_fcoe_fcf_count
, acqe_fcoe
),
3019 acqe_fcoe
->event_tag
);
3022 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD
:
3023 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3024 "2549 FCF disconnected from network index 0x%x"
3025 " tag 0x%x\n", acqe_fcoe
->index
,
3026 acqe_fcoe
->event_tag
);
3027 /* If the event is not for currently used fcf do nothing */
3028 if (phba
->fcf
.fcf_indx
!= acqe_fcoe
->index
)
3031 * Currently, driver support only one FCF - so treat this as
3034 lpfc_linkdown(phba
);
3035 /* Unregister FCF if no devices connected to it */
3036 lpfc_unregister_unused_fcf(phba
);
3038 case LPFC_FCOE_EVENT_TYPE_CVL
:
3039 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3040 "2718 Clear Virtual Link Received for VPI 0x%x"
3041 " tag 0x%x\n", acqe_fcoe
->index
, acqe_fcoe
->event_tag
);
3042 vport
= lpfc_find_vport_by_vpid(phba
,
3043 acqe_fcoe
->index
/*- phba->vpi_base*/);
3046 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3049 shost
= lpfc_shost_from_vport(vport
);
3050 lpfc_linkdown_port(vport
);
3051 if (vport
->port_type
!= LPFC_NPIV_PORT
) {
3052 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3053 spin_lock_irq(shost
->host_lock
);
3054 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3055 spin_unlock_irq(shost
->host_lock
);
3056 ndlp
->nlp_last_elscmd
= ELS_CMD_FLOGI
;
3057 vport
->port_state
= LPFC_FLOGI
;
3061 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3062 "0288 Unknown FCoE event type 0x%x event tag "
3063 "0x%x\n", event_type
, acqe_fcoe
->event_tag
);
3069 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3070 * @phba: pointer to lpfc hba data structure.
3071 * @acqe_link: pointer to the async dcbx completion queue entry.
3073 * This routine is to handle the SLI4 asynchronous dcbx event.
3076 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3077 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3079 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3080 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3081 "0290 The SLI4 DCBX asynchronous event is not "
3086 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3087 * @phba: pointer to lpfc hba data structure.
3089 * This routine is invoked by the worker thread to process all the pending
3090 * SLI4 asynchronous events.
3092 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3094 struct lpfc_cq_event
*cq_event
;
3096 /* First, declare the async event has been handled */
3097 spin_lock_irq(&phba
->hbalock
);
3098 phba
->hba_flag
&= ~ASYNC_EVENT
;
3099 spin_unlock_irq(&phba
->hbalock
);
3100 /* Now, handle all the async events */
3101 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3102 /* Get the first event from the head of the event queue */
3103 spin_lock_irq(&phba
->hbalock
);
3104 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3105 cq_event
, struct lpfc_cq_event
, list
);
3106 spin_unlock_irq(&phba
->hbalock
);
3107 /* Process the asynchronous event */
3108 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3109 case LPFC_TRAILER_CODE_LINK
:
3110 lpfc_sli4_async_link_evt(phba
,
3111 &cq_event
->cqe
.acqe_link
);
3113 case LPFC_TRAILER_CODE_FCOE
:
3114 lpfc_sli4_async_fcoe_evt(phba
,
3115 &cq_event
->cqe
.acqe_fcoe
);
3117 case LPFC_TRAILER_CODE_DCBX
:
3118 lpfc_sli4_async_dcbx_evt(phba
,
3119 &cq_event
->cqe
.acqe_dcbx
);
3122 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3123 "1804 Invalid asynchrous event code: "
3124 "x%x\n", bf_get(lpfc_trailer_code
,
3125 &cq_event
->cqe
.mcqe_cmpl
));
3128 /* Free the completion event processed to the free pool */
3129 lpfc_sli4_cq_event_release(phba
, cq_event
);
3134 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3135 * @phba: pointer to lpfc hba data structure.
3136 * @dev_grp: The HBA PCI-Device group number.
3138 * This routine is invoked to set up the per HBA PCI-Device group function
3139 * API jump table entries.
3141 * Return: 0 if success, otherwise -ENODEV
3144 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3148 /* Set up lpfc PCI-device group */
3149 phba
->pci_dev_grp
= dev_grp
;
3151 /* The LPFC_PCI_DEV_OC uses SLI4 */
3152 if (dev_grp
== LPFC_PCI_DEV_OC
)
3153 phba
->sli_rev
= LPFC_SLI_REV4
;
3155 /* Set up device INIT API function jump table */
3156 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3159 /* Set up SCSI API function jump table */
3160 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3163 /* Set up SLI API function jump table */
3164 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3167 /* Set up MBOX API function jump table */
3168 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3176 * lpfc_log_intr_mode - Log the active interrupt mode
3177 * @phba: pointer to lpfc hba data structure.
3178 * @intr_mode: active interrupt mode adopted.
3180 * This routine it invoked to log the currently used active interrupt mode
3183 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3185 switch (intr_mode
) {
3187 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3188 "0470 Enable INTx interrupt mode.\n");
3191 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3192 "0481 Enabled MSI interrupt mode.\n");
3195 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3196 "0480 Enabled MSI-X interrupt mode.\n");
3199 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3200 "0482 Illegal interrupt mode.\n");
3207 * lpfc_enable_pci_dev - Enable a generic PCI device.
3208 * @phba: pointer to lpfc hba data structure.
3210 * This routine is invoked to enable the PCI device that is common to all
3215 * other values - error
3218 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3220 struct pci_dev
*pdev
;
3223 /* Obtain PCI device reference */
3227 pdev
= phba
->pcidev
;
3228 /* Select PCI BARs */
3229 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3230 /* Enable PCI device */
3231 if (pci_enable_device_mem(pdev
))
3233 /* Request PCI resource for the device */
3234 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3235 goto out_disable_device
;
3236 /* Set up device as PCI master and save state for EEH */
3237 pci_set_master(pdev
);
3238 pci_try_set_mwi(pdev
);
3239 pci_save_state(pdev
);
3244 pci_disable_device(pdev
);
3250 * lpfc_disable_pci_dev - Disable a generic PCI device.
3251 * @phba: pointer to lpfc hba data structure.
3253 * This routine is invoked to disable the PCI device that is common to all
3257 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
3259 struct pci_dev
*pdev
;
3262 /* Obtain PCI device reference */
3266 pdev
= phba
->pcidev
;
3267 /* Select PCI BARs */
3268 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3269 /* Release PCI resource and disable PCI device */
3270 pci_release_selected_regions(pdev
, bars
);
3271 pci_disable_device(pdev
);
3272 /* Null out PCI private reference to driver */
3273 pci_set_drvdata(pdev
, NULL
);
3279 * lpfc_reset_hba - Reset a hba
3280 * @phba: pointer to lpfc hba data structure.
3282 * This routine is invoked to reset a hba device. It brings the HBA
3283 * offline, performs a board restart, and then brings the board back
3284 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3285 * on outstanding mailbox commands.
3288 lpfc_reset_hba(struct lpfc_hba
*phba
)
3290 /* If resets are disabled then set error state and return. */
3291 if (!phba
->cfg_enable_hba_reset
) {
3292 phba
->link_state
= LPFC_HBA_ERROR
;
3295 lpfc_offline_prep(phba
);
3297 lpfc_sli_brdrestart(phba
);
3299 lpfc_unblock_mgmt_io(phba
);
3303 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3304 * @phba: pointer to lpfc hba data structure.
3306 * This routine is invoked to set up the driver internal resources specific to
3307 * support the SLI-3 HBA device it attached to.
3311 * other values - error
3314 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
3316 struct lpfc_sli
*psli
;
3319 * Initialize timers used by driver
3322 /* Heartbeat timer */
3323 init_timer(&phba
->hb_tmofunc
);
3324 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3325 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3328 /* MBOX heartbeat timer */
3329 init_timer(&psli
->mbox_tmo
);
3330 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3331 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3332 /* FCP polling mode timer */
3333 init_timer(&phba
->fcp_poll_timer
);
3334 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
3335 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
3336 /* Fabric block timer */
3337 init_timer(&phba
->fabric_block_timer
);
3338 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3339 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3340 /* EA polling mode timer */
3341 init_timer(&phba
->eratt_poll
);
3342 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3343 phba
->eratt_poll
.data
= (unsigned long) phba
;
3345 /* Host attention work mask setup */
3346 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
3347 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
3349 /* Get all the module params for configuring this host */
3350 lpfc_get_cfgparam(phba
);
3352 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3353 * used to create the sg_dma_buf_pool must be dynamically calculated.
3354 * 2 segments are added since the IOCB needs a command and response bde.
3356 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
3357 sizeof(struct fcp_rsp
) +
3358 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
3360 if (phba
->cfg_enable_bg
) {
3361 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
3362 phba
->cfg_sg_dma_buf_size
+=
3363 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
3366 /* Also reinitialize the host templates with new values. */
3367 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3368 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3370 phba
->max_vpi
= LPFC_MAX_VPI
;
3371 /* This will be set to correct value after config_port mbox */
3372 phba
->max_vports
= 0;
3375 * Initialize the SLI Layer to run with lpfc HBAs.
3377 lpfc_sli_setup(phba
);
3378 lpfc_sli_queue_setup(phba
);
3380 /* Allocate device driver memory */
3381 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
3388 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3389 * @phba: pointer to lpfc hba data structure.
3391 * This routine is invoked to unset the driver internal resources set up
3392 * specific for supporting the SLI-3 HBA device it attached to.
3395 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
3397 /* Free device driver memory allocated */
3398 lpfc_mem_free_all(phba
);
3404 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3405 * @phba: pointer to lpfc hba data structure.
3407 * This routine is invoked to set up the driver internal resources specific to
3408 * support the SLI-4 HBA device it attached to.
3412 * other values - error
3415 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
3417 struct lpfc_sli
*psli
;
3421 /* Before proceed, wait for POST done and device ready */
3422 rc
= lpfc_sli4_post_status_check(phba
);
3427 * Initialize timers used by driver
3430 /* Heartbeat timer */
3431 init_timer(&phba
->hb_tmofunc
);
3432 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3433 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3436 /* MBOX heartbeat timer */
3437 init_timer(&psli
->mbox_tmo
);
3438 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3439 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3440 /* Fabric block timer */
3441 init_timer(&phba
->fabric_block_timer
);
3442 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3443 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3444 /* EA polling mode timer */
3445 init_timer(&phba
->eratt_poll
);
3446 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3447 phba
->eratt_poll
.data
= (unsigned long) phba
;
3449 * We need to do a READ_CONFIG mailbox command here before
3450 * calling lpfc_get_cfgparam. For VFs this will report the
3451 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3452 * All of the resources allocated
3453 * for this Port are tied to these values.
3455 /* Get all the module params for configuring this host */
3456 lpfc_get_cfgparam(phba
);
3457 phba
->max_vpi
= LPFC_MAX_VPI
;
3458 /* This will be set to correct value after the read_config mbox */
3459 phba
->max_vports
= 0;
3461 /* Program the default value of vlan_id and fc_map */
3462 phba
->valid_vlan
= 0;
3463 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
3464 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
3465 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
3468 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3469 * used to create the sg_dma_buf_pool must be dynamically calculated.
3470 * 2 segments are added since the IOCB needs a command and response bde.
3471 * To insure that the scsi sgl does not cross a 4k page boundary only
3472 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3473 * Table of sgl sizes and seg_cnt:
3474 * sgl size, sg_seg_cnt total seg
3479 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3480 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3481 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3482 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3484 if (phba
->cfg_sg_seg_cnt
<= LPFC_DEFAULT_SG_SEG_CNT
)
3485 phba
->cfg_sg_seg_cnt
= 50;
3486 else if (phba
->cfg_sg_seg_cnt
<= 114)
3487 phba
->cfg_sg_seg_cnt
= 114;
3488 else if (phba
->cfg_sg_seg_cnt
<= 242)
3489 phba
->cfg_sg_seg_cnt
= 242;
3491 phba
->cfg_sg_seg_cnt
= 498;
3493 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
)
3494 + sizeof(struct fcp_rsp
);
3495 phba
->cfg_sg_dma_buf_size
+=
3496 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
3498 /* Initialize buffer queue management fields */
3499 hbq_count
= lpfc_sli_hbq_count();
3500 for (i
= 0; i
< hbq_count
; ++i
)
3501 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
3502 INIT_LIST_HEAD(&phba
->rb_pend_list
);
3503 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
3504 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
3507 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3509 /* Initialize the Abort scsi buffer list used by driver */
3510 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
3511 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
3512 /* This abort list used by worker thread */
3513 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
3516 * Initialize dirver internal slow-path work queues
3519 /* Driver internel slow-path CQ Event pool */
3520 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
3521 /* Response IOCB work queue list */
3522 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_rspiocb_work_queue
);
3523 /* Asynchronous event CQ Event work queue list */
3524 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
3525 /* Fast-path XRI aborted CQ Event work queue list */
3526 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
3527 /* Slow-path XRI aborted CQ Event work queue list */
3528 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
3529 /* Receive queue CQ Event work queue list */
3530 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
3532 /* Initialize the driver internal SLI layer lists. */
3533 lpfc_sli_setup(phba
);
3534 lpfc_sli_queue_setup(phba
);
3536 /* Allocate device driver memory */
3537 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
3541 /* Create the bootstrap mailbox command */
3542 rc
= lpfc_create_bootstrap_mbox(phba
);
3546 /* Set up the host's endian order with the device. */
3547 rc
= lpfc_setup_endian_order(phba
);
3549 goto out_free_bsmbx
;
3551 rc
= lpfc_sli4_fw_cfg_check(phba
);
3553 goto out_free_bsmbx
;
3555 /* Set up the hba's configuration parameters. */
3556 rc
= lpfc_sli4_read_config(phba
);
3558 goto out_free_bsmbx
;
3560 /* Perform a function reset */
3561 rc
= lpfc_pci_function_reset(phba
);
3563 goto out_free_bsmbx
;
3565 /* Create all the SLI4 queues */
3566 rc
= lpfc_sli4_queue_create(phba
);
3568 goto out_free_bsmbx
;
3570 /* Create driver internal CQE event pool */
3571 rc
= lpfc_sli4_cq_event_pool_create(phba
);
3573 goto out_destroy_queue
;
3575 /* Initialize and populate the iocb list per host */
3576 rc
= lpfc_init_sgl_list(phba
);
3578 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3579 "1400 Failed to initialize sgl list.\n");
3580 goto out_destroy_cq_event_pool
;
3582 rc
= lpfc_init_active_sgl_array(phba
);
3584 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3585 "1430 Failed to initialize sgl list.\n");
3586 goto out_free_sgl_list
;
3589 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
3591 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3592 "1432 Failed to initialize rpi headers.\n");
3593 goto out_free_active_sgl
;
3596 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
3597 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
3598 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
3599 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3600 "2572 Failed allocate memory for fast-path "
3601 "per-EQ handle array\n");
3602 goto out_remove_rpi_hdrs
;
3605 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
3606 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
3607 if (!phba
->sli4_hba
.msix_entries
) {
3608 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3609 "2573 Failed allocate memory for msi-x "
3610 "interrupt vector entries\n");
3611 goto out_free_fcp_eq_hdl
;
3616 out_free_fcp_eq_hdl
:
3617 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3618 out_remove_rpi_hdrs
:
3619 lpfc_sli4_remove_rpi_hdrs(phba
);
3620 out_free_active_sgl
:
3621 lpfc_free_active_sgl(phba
);
3623 lpfc_free_sgl_list(phba
);
3624 out_destroy_cq_event_pool
:
3625 lpfc_sli4_cq_event_pool_destroy(phba
);
3627 lpfc_sli4_queue_destroy(phba
);
3629 lpfc_destroy_bootstrap_mbox(phba
);
3631 lpfc_mem_free(phba
);
3636 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3637 * @phba: pointer to lpfc hba data structure.
3639 * This routine is invoked to unset the driver internal resources set up
3640 * specific for supporting the SLI-4 HBA device it attached to.
3643 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
3645 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
3647 /* unregister default FCFI from the HBA */
3648 lpfc_sli4_fcfi_unreg(phba
, phba
->fcf
.fcfi
);
3650 /* Free the default FCR table */
3651 lpfc_sli_remove_dflt_fcf(phba
);
3653 /* Free memory allocated for msi-x interrupt vector entries */
3654 kfree(phba
->sli4_hba
.msix_entries
);
3656 /* Free memory allocated for fast-path work queue handles */
3657 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3659 /* Free the allocated rpi headers. */
3660 lpfc_sli4_remove_rpi_hdrs(phba
);
3661 lpfc_sli4_remove_rpis(phba
);
3663 /* Free the ELS sgl list */
3664 lpfc_free_active_sgl(phba
);
3665 lpfc_free_sgl_list(phba
);
3667 /* Free the SCSI sgl management array */
3668 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
3670 /* Free the SLI4 queues */
3671 lpfc_sli4_queue_destroy(phba
);
3673 /* Free the completion queue EQ event pool */
3674 lpfc_sli4_cq_event_release_all(phba
);
3675 lpfc_sli4_cq_event_pool_destroy(phba
);
3677 /* Reset SLI4 HBA FCoE function */
3678 lpfc_pci_function_reset(phba
);
3680 /* Free the bsmbx region. */
3681 lpfc_destroy_bootstrap_mbox(phba
);
3683 /* Free the SLI Layer memory with SLI4 HBAs */
3684 lpfc_mem_free_all(phba
);
3686 /* Free the current connect table */
3687 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
3688 &phba
->fcf_conn_rec_list
, list
) {
3689 list_del_init(&conn_entry
->list
);
3697 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3698 * @phba: The hba struct for which this call is being executed.
3699 * @dev_grp: The HBA PCI-Device group number.
3701 * This routine sets up the device INIT interface API function jump table
3704 * Returns: 0 - success, -ENODEV - failure.
3707 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3710 case LPFC_PCI_DEV_LP
:
3711 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
3712 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
3713 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
3715 case LPFC_PCI_DEV_OC
:
3716 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
3717 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
3718 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
3721 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3722 "1431 Invalid HBA PCI-device group: 0x%x\n",
3731 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3732 * @phba: pointer to lpfc hba data structure.
3734 * This routine is invoked to set up the driver internal resources before the
3735 * device specific resource setup to support the HBA device it attached to.
3739 * other values - error
3742 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
3745 * Driver resources common to all SLI revisions
3747 atomic_set(&phba
->fast_event_count
, 0);
3748 spin_lock_init(&phba
->hbalock
);
3750 /* Initialize ndlp management spinlock */
3751 spin_lock_init(&phba
->ndlp_lock
);
3753 INIT_LIST_HEAD(&phba
->port_list
);
3754 INIT_LIST_HEAD(&phba
->work_list
);
3755 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
3757 /* Initialize the wait queue head for the kernel thread */
3758 init_waitqueue_head(&phba
->work_waitq
);
3760 /* Initialize the scsi buffer list used by driver for scsi IO */
3761 spin_lock_init(&phba
->scsi_buf_list_lock
);
3762 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
3764 /* Initialize the fabric iocb list */
3765 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
3767 /* Initialize list to save ELS buffers */
3768 INIT_LIST_HEAD(&phba
->elsbuf
);
3770 /* Initialize FCF connection rec list */
3771 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
3777 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3778 * @phba: pointer to lpfc hba data structure.
3780 * This routine is invoked to set up the driver internal resources after the
3781 * device specific resource setup to support the HBA device it attached to.
3785 * other values - error
3788 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
3792 /* Startup the kernel thread for this host adapter. */
3793 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
3794 "lpfc_worker_%d", phba
->brd_no
);
3795 if (IS_ERR(phba
->worker_thread
)) {
3796 error
= PTR_ERR(phba
->worker_thread
);
3804 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3805 * @phba: pointer to lpfc hba data structure.
3807 * This routine is invoked to unset the driver internal resources set up after
3808 * the device specific resource setup for supporting the HBA device it
3812 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
3814 /* Stop kernel worker thread */
3815 kthread_stop(phba
->worker_thread
);
3819 * lpfc_free_iocb_list - Free iocb list.
3820 * @phba: pointer to lpfc hba data structure.
3822 * This routine is invoked to free the driver's IOCB list and memory.
3825 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
3827 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
3829 spin_lock_irq(&phba
->hbalock
);
3830 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
3831 &phba
->lpfc_iocb_list
, list
) {
3832 list_del(&iocbq_entry
->list
);
3834 phba
->total_iocbq_bufs
--;
3836 spin_unlock_irq(&phba
->hbalock
);
3842 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3843 * @phba: pointer to lpfc hba data structure.
3845 * This routine is invoked to allocate and initizlize the driver's IOCB
3846 * list and set up the IOCB tag array accordingly.
3850 * other values - error
3853 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
3855 struct lpfc_iocbq
*iocbq_entry
= NULL
;
3859 /* Initialize and populate the iocb list per host. */
3860 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
3861 for (i
= 0; i
< iocb_count
; i
++) {
3862 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
3863 if (iocbq_entry
== NULL
) {
3864 printk(KERN_ERR
"%s: only allocated %d iocbs of "
3865 "expected %d count. Unloading driver.\n",
3866 __func__
, i
, LPFC_IOCB_LIST_CNT
);
3867 goto out_free_iocbq
;
3870 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
3873 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
3874 "Unloading driver.\n", __func__
);
3875 goto out_free_iocbq
;
3877 iocbq_entry
->sli4_xritag
= NO_XRI
;
3879 spin_lock_irq(&phba
->hbalock
);
3880 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
3881 phba
->total_iocbq_bufs
++;
3882 spin_unlock_irq(&phba
->hbalock
);
3888 lpfc_free_iocb_list(phba
);
3894 * lpfc_free_sgl_list - Free sgl list.
3895 * @phba: pointer to lpfc hba data structure.
3897 * This routine is invoked to free the driver's sgl list and memory.
3900 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
3902 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
3903 LIST_HEAD(sglq_list
);
3906 spin_lock_irq(&phba
->hbalock
);
3907 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
3908 spin_unlock_irq(&phba
->hbalock
);
3910 list_for_each_entry_safe(sglq_entry
, sglq_next
,
3912 list_del(&sglq_entry
->list
);
3913 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
3915 phba
->sli4_hba
.total_sglq_bufs
--;
3917 rc
= lpfc_sli4_remove_all_sgl_pages(phba
);
3919 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3920 "2005 Unable to deregister pages from HBA: %x\n", rc
);
3922 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
3926 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3927 * @phba: pointer to lpfc hba data structure.
3929 * This routine is invoked to allocate the driver's active sgl memory.
3930 * This array will hold the sglq_entry's for active IOs.
3933 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
3936 size
= sizeof(struct lpfc_sglq
*);
3937 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
3939 phba
->sli4_hba
.lpfc_sglq_active_list
=
3940 kzalloc(size
, GFP_KERNEL
);
3941 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
3947 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3948 * @phba: pointer to lpfc hba data structure.
3950 * This routine is invoked to walk through the array of active sglq entries
3951 * and free all of the resources.
3952 * This is just a place holder for now.
3955 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
3957 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
3961 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3962 * @phba: pointer to lpfc hba data structure.
3964 * This routine is invoked to allocate and initizlize the driver's sgl
3965 * list and set up the sgl xritag tag array accordingly.
3969 * other values - error
3972 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
3974 struct lpfc_sglq
*sglq_entry
= NULL
;
3978 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3979 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3980 "2400 lpfc_init_sgl_list els %d.\n",
3982 /* Initialize and populate the sglq list per host/VF. */
3983 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
3984 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
3986 /* Sanity check on XRI management */
3987 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
3988 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3989 "2562 No room left for SCSI XRI allocation: "
3990 "max_xri=%d, els_xri=%d\n",
3991 phba
->sli4_hba
.max_cfg_param
.max_xri
,
3996 /* Allocate memory for the ELS XRI management array */
3997 phba
->sli4_hba
.lpfc_els_sgl_array
=
3998 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4001 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4002 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4003 "2401 Failed to allocate memory for ELS "
4004 "XRI management array of size %d.\n",
4009 /* Keep the SCSI XRI into the XRI management array */
4010 phba
->sli4_hba
.scsi_xri_max
=
4011 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4012 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4014 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4015 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4016 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4018 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4019 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4020 "2563 Failed to allocate memory for SCSI "
4021 "XRI management array of size %d.\n",
4022 phba
->sli4_hba
.scsi_xri_max
);
4023 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4027 for (i
= 0; i
< els_xri_cnt
; i
++) {
4028 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4029 if (sglq_entry
== NULL
) {
4030 printk(KERN_ERR
"%s: only allocated %d sgls of "
4031 "expected %d count. Unloading driver.\n",
4032 __func__
, i
, els_xri_cnt
);
4036 sglq_entry
->sli4_xritag
= lpfc_sli4_next_xritag(phba
);
4037 if (sglq_entry
->sli4_xritag
== NO_XRI
) {
4039 printk(KERN_ERR
"%s: failed to allocate XRI.\n"
4040 "Unloading driver.\n", __func__
);
4043 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4044 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4045 if (sglq_entry
->virt
== NULL
) {
4047 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
4048 "Unloading driver.\n", __func__
);
4051 sglq_entry
->sgl
= sglq_entry
->virt
;
4052 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
4054 /* The list order is used by later block SGL registraton */
4055 spin_lock_irq(&phba
->hbalock
);
4056 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
4057 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
4058 phba
->sli4_hba
.total_sglq_bufs
++;
4059 spin_unlock_irq(&phba
->hbalock
);
4064 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4065 lpfc_free_sgl_list(phba
);
4070 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
4071 * @phba: pointer to lpfc hba data structure.
4073 * This routine is invoked to post rpi header templates to the
4074 * HBA consistent with the SLI-4 interface spec. This routine
4075 * posts a PAGE_SIZE memory region to the port to hold up to
4076 * PAGE_SIZE modulo 64 rpi context headers.
4077 * No locks are held here because this is an initialization routine
4078 * called only from probe or lpfc_online when interrupts are not
4079 * enabled and the driver is reinitializing the device.
4083 * ENOMEM - No availble memory
4084 * EIO - The mailbox failed to complete successfully.
4087 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
4092 struct lpfc_rpi_hdr
*rpi_hdr
;
4094 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4097 * Provision an rpi bitmask range for discovery. The total count
4098 * is the difference between max and base + 1.
4100 rpi_count
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4101 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4103 longs
= ((rpi_count
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
4104 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4106 if (!phba
->sli4_hba
.rpi_bmask
)
4109 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
4111 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
4112 "0391 Error during rpi post operation\n");
4113 lpfc_sli4_remove_rpis(phba
);
4121 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4122 * @phba: pointer to lpfc hba data structure.
4124 * This routine is invoked to allocate a single 4KB memory region to
4125 * support rpis and stores them in the phba. This single region
4126 * provides support for up to 64 rpis. The region is used globally
4130 * A valid rpi hdr on success.
4131 * A NULL pointer on any failure.
4133 struct lpfc_rpi_hdr
*
4134 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
4136 uint16_t rpi_limit
, curr_rpi_range
;
4137 struct lpfc_dmabuf
*dmabuf
;
4138 struct lpfc_rpi_hdr
*rpi_hdr
;
4140 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4141 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4143 spin_lock_irq(&phba
->hbalock
);
4144 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
4145 spin_unlock_irq(&phba
->hbalock
);
4148 * The port has a limited number of rpis. The increment here
4149 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4150 * and to allow the full max_rpi range per port.
4152 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
4156 * First allocate the protocol header region for the port. The
4157 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4159 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4163 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4164 LPFC_HDR_TEMPLATE_SIZE
,
4167 if (!dmabuf
->virt
) {
4169 goto err_free_dmabuf
;
4172 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
4173 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
4175 goto err_free_coherent
;
4178 /* Save the rpi header data for cleanup later. */
4179 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
4181 goto err_free_coherent
;
4183 rpi_hdr
->dmabuf
= dmabuf
;
4184 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
4185 rpi_hdr
->page_count
= 1;
4186 spin_lock_irq(&phba
->hbalock
);
4187 rpi_hdr
->start_rpi
= phba
->sli4_hba
.next_rpi
;
4188 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4191 * The next_rpi stores the next module-64 rpi value to post
4192 * in any subsequent rpi memory region postings.
4194 phba
->sli4_hba
.next_rpi
+= LPFC_RPI_HDR_COUNT
;
4195 spin_unlock_irq(&phba
->hbalock
);
4199 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
4200 dmabuf
->virt
, dmabuf
->phys
);
4207 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4208 * @phba: pointer to lpfc hba data structure.
4210 * This routine is invoked to remove all memory resources allocated
4211 * to support rpis. This routine presumes the caller has released all
4212 * rpis consumed by fabric or port logins and is prepared to have
4213 * the header pages removed.
4216 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
4218 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
4220 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
4221 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
4222 list_del(&rpi_hdr
->list
);
4223 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
4224 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
4225 kfree(rpi_hdr
->dmabuf
);
4229 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4230 memset(phba
->sli4_hba
.rpi_bmask
, 0, sizeof(*phba
->sli4_hba
.rpi_bmask
));
4234 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4235 * @pdev: pointer to pci device data structure.
4237 * This routine is invoked to allocate the driver hba data structure for an
4238 * HBA device. If the allocation is successful, the phba reference to the
4239 * PCI device data structure is set.
4242 * pointer to @phba - sucessful
4245 static struct lpfc_hba
*
4246 lpfc_hba_alloc(struct pci_dev
*pdev
)
4248 struct lpfc_hba
*phba
;
4250 /* Allocate memory for HBA structure */
4251 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
4253 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
4257 /* Set reference to PCI device in HBA structure */
4258 phba
->pcidev
= pdev
;
4260 /* Assign an unused board number */
4261 phba
->brd_no
= lpfc_get_instance();
4262 if (phba
->brd_no
< 0) {
4267 mutex_init(&phba
->ct_event_mutex
);
4268 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
4274 * lpfc_hba_free - Free driver hba data structure with a device.
4275 * @phba: pointer to lpfc hba data structure.
4277 * This routine is invoked to free the driver hba data structure with an
4281 lpfc_hba_free(struct lpfc_hba
*phba
)
4283 /* Release the driver assigned board number */
4284 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
4291 * lpfc_create_shost - Create hba physical port with associated scsi host.
4292 * @phba: pointer to lpfc hba data structure.
4294 * This routine is invoked to create HBA physical port and associate a SCSI
4299 * other values - error
4302 lpfc_create_shost(struct lpfc_hba
*phba
)
4304 struct lpfc_vport
*vport
;
4305 struct Scsi_Host
*shost
;
4307 /* Initialize HBA FC structure */
4308 phba
->fc_edtov
= FF_DEF_EDTOV
;
4309 phba
->fc_ratov
= FF_DEF_RATOV
;
4310 phba
->fc_altov
= FF_DEF_ALTOV
;
4311 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
4313 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
4317 shost
= lpfc_shost_from_vport(vport
);
4318 phba
->pport
= vport
;
4319 lpfc_debugfs_initialize(vport
);
4320 /* Put reference to SCSI host to driver's device private data */
4321 pci_set_drvdata(phba
->pcidev
, shost
);
4327 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4328 * @phba: pointer to lpfc hba data structure.
4330 * This routine is invoked to destroy HBA physical port and the associated
4334 lpfc_destroy_shost(struct lpfc_hba
*phba
)
4336 struct lpfc_vport
*vport
= phba
->pport
;
4338 /* Destroy physical port that associated with the SCSI host */
4339 destroy_port(vport
);
4345 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4346 * @phba: pointer to lpfc hba data structure.
4347 * @shost: the shost to be used to detect Block guard settings.
4349 * This routine sets up the local Block guard protocol settings for @shost.
4350 * This routine also allocates memory for debugging bg buffers.
4353 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
4356 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
4357 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4358 "1478 Registering BlockGuard with the "
4360 scsi_host_set_prot(shost
, lpfc_prot_mask
);
4361 scsi_host_set_guard(shost
, lpfc_prot_guard
);
4363 if (!_dump_buf_data
) {
4365 spin_lock_init(&_dump_buf_lock
);
4367 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4368 if (_dump_buf_data
) {
4369 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4370 "9043 BLKGRD: allocated %d pages for "
4371 "_dump_buf_data at 0x%p\n",
4372 (1 << pagecnt
), _dump_buf_data
);
4373 _dump_buf_data_order
= pagecnt
;
4374 memset(_dump_buf_data
, 0,
4375 ((1 << PAGE_SHIFT
) << pagecnt
));
4380 if (!_dump_buf_data_order
)
4381 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4382 "9044 BLKGRD: ERROR unable to allocate "
4383 "memory for hexdump\n");
4385 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4386 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
4387 "\n", _dump_buf_data
);
4388 if (!_dump_buf_dif
) {
4391 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4392 if (_dump_buf_dif
) {
4393 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4394 "9046 BLKGRD: allocated %d pages for "
4395 "_dump_buf_dif at 0x%p\n",
4396 (1 << pagecnt
), _dump_buf_dif
);
4397 _dump_buf_dif_order
= pagecnt
;
4398 memset(_dump_buf_dif
, 0,
4399 ((1 << PAGE_SHIFT
) << pagecnt
));
4404 if (!_dump_buf_dif_order
)
4405 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4406 "9047 BLKGRD: ERROR unable to allocate "
4407 "memory for hexdump\n");
4409 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4410 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
4415 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4416 * @phba: pointer to lpfc hba data structure.
4418 * This routine is invoked to perform all the necessary post initialization
4419 * setup for the device.
4422 lpfc_post_init_setup(struct lpfc_hba
*phba
)
4424 struct Scsi_Host
*shost
;
4425 struct lpfc_adapter_event_header adapter_event
;
4427 /* Get the default values for Model Name and Description */
4428 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
4431 * hba setup may have changed the hba_queue_depth so we need to
4432 * adjust the value of can_queue.
4434 shost
= pci_get_drvdata(phba
->pcidev
);
4435 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
4436 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
4437 lpfc_setup_bg(phba
, shost
);
4439 lpfc_host_attrib_init(shost
);
4441 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
4442 spin_lock_irq(shost
->host_lock
);
4443 lpfc_poll_start_timer(phba
);
4444 spin_unlock_irq(shost
->host_lock
);
4447 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4448 "0428 Perform SCSI scan\n");
4449 /* Send board arrival event to upper layer */
4450 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
4451 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
4452 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4453 sizeof(adapter_event
),
4454 (char *) &adapter_event
,
4460 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4461 * @phba: pointer to lpfc hba data structure.
4463 * This routine is invoked to set up the PCI device memory space for device
4464 * with SLI-3 interface spec.
4468 * other values - error
4471 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
4473 struct pci_dev
*pdev
;
4474 unsigned long bar0map_len
, bar2map_len
;
4477 int error
= -ENODEV
;
4479 /* Obtain PCI device reference */
4483 pdev
= phba
->pcidev
;
4485 /* Set the device DMA mask size */
4486 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
4487 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
4490 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4491 * required by each mapping.
4493 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
4494 bar0map_len
= pci_resource_len(pdev
, 0);
4496 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
4497 bar2map_len
= pci_resource_len(pdev
, 2);
4499 /* Map HBA SLIM to a kernel virtual address. */
4500 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
4501 if (!phba
->slim_memmap_p
) {
4502 dev_printk(KERN_ERR
, &pdev
->dev
,
4503 "ioremap failed for SLIM memory.\n");
4507 /* Map HBA Control Registers to a kernel virtual address. */
4508 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
4509 if (!phba
->ctrl_regs_memmap_p
) {
4510 dev_printk(KERN_ERR
, &pdev
->dev
,
4511 "ioremap failed for HBA control registers.\n");
4512 goto out_iounmap_slim
;
4515 /* Allocate memory for SLI-2 structures */
4516 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
4520 if (!phba
->slim2p
.virt
)
4523 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
4524 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
4525 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
4526 phba
->IOCBs
= (phba
->slim2p
.virt
+
4527 offsetof(struct lpfc_sli2_slim
, IOCBs
));
4529 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
4530 lpfc_sli_hbq_size(),
4531 &phba
->hbqslimp
.phys
,
4533 if (!phba
->hbqslimp
.virt
)
4536 hbq_count
= lpfc_sli_hbq_count();
4537 ptr
= phba
->hbqslimp
.virt
;
4538 for (i
= 0; i
< hbq_count
; ++i
) {
4539 phba
->hbqs
[i
].hbq_virt
= ptr
;
4540 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4541 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
4542 sizeof(struct lpfc_hbq_entry
));
4544 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
4545 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
4547 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
4549 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4551 phba
->MBslimaddr
= phba
->slim_memmap_p
;
4552 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
4553 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
4554 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
4555 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
4560 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4561 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4563 iounmap(phba
->ctrl_regs_memmap_p
);
4565 iounmap(phba
->slim_memmap_p
);
4571 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4572 * @phba: pointer to lpfc hba data structure.
4574 * This routine is invoked to unset the PCI device memory space for device
4575 * with SLI-3 interface spec.
4578 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
4580 struct pci_dev
*pdev
;
4582 /* Obtain PCI device reference */
4586 pdev
= phba
->pcidev
;
4588 /* Free coherent DMA memory allocated */
4589 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
4590 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
4591 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4592 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4594 /* I/O memory unmap */
4595 iounmap(phba
->ctrl_regs_memmap_p
);
4596 iounmap(phba
->slim_memmap_p
);
4602 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4603 * @phba: pointer to lpfc hba data structure.
4605 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4606 * done and check status.
4608 * Return 0 if successful, otherwise -ENODEV.
4611 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
4613 struct lpfc_register sta_reg
, uerrlo_reg
, uerrhi_reg
, scratchpad
;
4614 uint32_t onlnreg0
, onlnreg1
;
4615 int i
, port_error
= -ENODEV
;
4617 if (!phba
->sli4_hba
.STAregaddr
)
4620 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4621 for (i
= 0; i
< 3000; i
++) {
4622 sta_reg
.word0
= readl(phba
->sli4_hba
.STAregaddr
);
4623 /* Encounter fatal POST error, break out */
4624 if (bf_get(lpfc_hst_state_perr
, &sta_reg
)) {
4625 port_error
= -ENODEV
;
4628 if (LPFC_POST_STAGE_ARMFW_READY
==
4629 bf_get(lpfc_hst_state_port_status
, &sta_reg
)) {
4637 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4638 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4639 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4640 "dl=x%x, pstatus=x%x\n", sta_reg
.word0
,
4641 bf_get(lpfc_hst_state_perr
, &sta_reg
),
4642 bf_get(lpfc_hst_state_sfi
, &sta_reg
),
4643 bf_get(lpfc_hst_state_nip
, &sta_reg
),
4644 bf_get(lpfc_hst_state_ipc
, &sta_reg
),
4645 bf_get(lpfc_hst_state_xrom
, &sta_reg
),
4646 bf_get(lpfc_hst_state_dl
, &sta_reg
),
4647 bf_get(lpfc_hst_state_port_status
, &sta_reg
));
4649 /* Log device information */
4650 scratchpad
.word0
= readl(phba
->sli4_hba
.SCRATCHPADregaddr
);
4651 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4652 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4653 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4654 bf_get(lpfc_scratchpad_chiptype
, &scratchpad
),
4655 bf_get(lpfc_scratchpad_slirev
, &scratchpad
),
4656 bf_get(lpfc_scratchpad_featurelevel1
, &scratchpad
),
4657 bf_get(lpfc_scratchpad_featurelevel2
, &scratchpad
));
4659 /* With uncoverable error, log the error message and return error */
4660 onlnreg0
= readl(phba
->sli4_hba
.ONLINE0regaddr
);
4661 onlnreg1
= readl(phba
->sli4_hba
.ONLINE1regaddr
);
4662 if ((onlnreg0
!= LPFC_ONLINE_NERR
) || (onlnreg1
!= LPFC_ONLINE_NERR
)) {
4663 uerrlo_reg
.word0
= readl(phba
->sli4_hba
.UERRLOregaddr
);
4664 uerrhi_reg
.word0
= readl(phba
->sli4_hba
.UERRHIregaddr
);
4665 if (uerrlo_reg
.word0
|| uerrhi_reg
.word0
) {
4666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4667 "1422 HBA Unrecoverable error: "
4668 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4669 "online0_reg=0x%x, online1_reg=0x%x\n",
4670 uerrlo_reg
.word0
, uerrhi_reg
.word0
,
4671 onlnreg0
, onlnreg1
);
4680 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4681 * @phba: pointer to lpfc hba data structure.
4683 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4687 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
)
4689 phba
->sli4_hba
.UERRLOregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4690 LPFC_UERR_STATUS_LO
;
4691 phba
->sli4_hba
.UERRHIregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4692 LPFC_UERR_STATUS_HI
;
4693 phba
->sli4_hba
.ONLINE0regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4695 phba
->sli4_hba
.ONLINE1regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4697 phba
->sli4_hba
.SCRATCHPADregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4702 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4703 * @phba: pointer to lpfc hba data structure.
4705 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4709 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
4712 phba
->sli4_hba
.STAregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4714 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4716 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4718 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4724 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4725 * @phba: pointer to lpfc hba data structure.
4726 * @vf: virtual function number
4728 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4729 * based on the given viftual function number, @vf.
4731 * Return 0 if successful, otherwise -ENODEV.
4734 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
4736 if (vf
> LPFC_VIR_FUNC_MAX
)
4739 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4740 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
4741 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4742 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
4743 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4744 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
4745 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4746 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
4747 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4748 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
4753 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4754 * @phba: pointer to lpfc hba data structure.
4756 * This routine is invoked to create the bootstrap mailbox
4757 * region consistent with the SLI-4 interface spec. This
4758 * routine allocates all memory necessary to communicate
4759 * mailbox commands to the port and sets up all alignment
4760 * needs. No locks are expected to be held when calling
4765 * ENOMEM - could not allocated memory.
4768 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
4771 struct lpfc_dmabuf
*dmabuf
;
4772 struct dma_address
*dma_address
;
4776 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4781 * The bootstrap mailbox region is comprised of 2 parts
4782 * plus an alignment restriction of 16 bytes.
4784 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
4785 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4789 if (!dmabuf
->virt
) {
4793 memset(dmabuf
->virt
, 0, bmbx_size
);
4796 * Initialize the bootstrap mailbox pointers now so that the register
4797 * operations are simple later. The mailbox dma address is required
4798 * to be 16-byte aligned. Also align the virtual memory as each
4799 * maibox is copied into the bmbx mailbox region before issuing the
4800 * command to the port.
4802 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
4803 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
4805 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
4806 LPFC_ALIGN_16_BYTE
);
4807 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
4808 LPFC_ALIGN_16_BYTE
);
4811 * Set the high and low physical addresses now. The SLI4 alignment
4812 * requirement is 16 bytes and the mailbox is posted to the port
4813 * as two 30-bit addresses. The other data is a bit marking whether
4814 * the 30-bit address is the high or low address.
4815 * Upcast bmbx aphys to 64bits so shift instruction compiles
4816 * clean on 32 bit machines.
4818 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
4819 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
4820 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
4821 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
4822 LPFC_BMBX_BIT1_ADDR_HI
);
4824 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
4825 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
4826 LPFC_BMBX_BIT1_ADDR_LO
);
4831 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4832 * @phba: pointer to lpfc hba data structure.
4834 * This routine is invoked to teardown the bootstrap mailbox
4835 * region and release all host resources. This routine requires
4836 * the caller to ensure all mailbox commands recovered, no
4837 * additional mailbox comands are sent, and interrupts are disabled
4838 * before calling this routine.
4842 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
4844 dma_free_coherent(&phba
->pcidev
->dev
,
4845 phba
->sli4_hba
.bmbx
.bmbx_size
,
4846 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
4847 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
4849 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
4850 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
4854 * lpfc_sli4_read_config - Get the config parameters.
4855 * @phba: pointer to lpfc hba data structure.
4857 * This routine is invoked to read the configuration parameters from the HBA.
4858 * The configuration parameters are used to set the base and maximum values
4859 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4860 * allocation for the port.
4864 * ENOMEM - No availble memory
4865 * EIO - The mailbox failed to complete successfully.
4868 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
4871 struct lpfc_mbx_read_config
*rd_config
;
4874 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4876 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4877 "2011 Unable to allocate memory for issuing "
4878 "SLI_CONFIG_SPECIAL mailbox command\n");
4882 lpfc_read_config(phba
, pmb
);
4884 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4885 if (rc
!= MBX_SUCCESS
) {
4886 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4887 "2012 Mailbox failed , mbxCmd x%x "
4888 "READ_CONFIG, mbxStatus x%x\n",
4889 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
4890 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
4893 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
4894 phba
->sli4_hba
.max_cfg_param
.max_xri
=
4895 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
4896 phba
->sli4_hba
.max_cfg_param
.xri_base
=
4897 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
4898 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
4899 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
4900 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
4901 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
4902 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
4903 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
4904 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
4905 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
4906 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
4907 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
4908 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
4909 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
4910 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
4911 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
4912 phba
->sli4_hba
.max_cfg_param
.fcfi_base
=
4913 bf_get(lpfc_mbx_rd_conf_fcfi_base
, rd_config
);
4914 phba
->sli4_hba
.max_cfg_param
.max_eq
=
4915 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
4916 phba
->sli4_hba
.max_cfg_param
.max_rq
=
4917 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
4918 phba
->sli4_hba
.max_cfg_param
.max_wq
=
4919 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
4920 phba
->sli4_hba
.max_cfg_param
.max_cq
=
4921 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
4922 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
4923 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
4924 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
4925 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
4926 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4927 phba
->max_vpi
= phba
->sli4_hba
.max_cfg_param
.max_vpi
;
4928 phba
->max_vports
= phba
->max_vpi
;
4929 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4930 "2003 cfg params XRI(B:%d M:%d), "
4934 "FCFI(B:%d M:%d)\n",
4935 phba
->sli4_hba
.max_cfg_param
.xri_base
,
4936 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4937 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
4938 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
4939 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
4940 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
4941 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
4942 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
4943 phba
->sli4_hba
.max_cfg_param
.fcfi_base
,
4944 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
4946 mempool_free(pmb
, phba
->mbox_mem_pool
);
4948 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4949 if (phba
->cfg_hba_queue_depth
> (phba
->sli4_hba
.max_cfg_param
.max_xri
))
4950 phba
->cfg_hba_queue_depth
=
4951 phba
->sli4_hba
.max_cfg_param
.max_xri
;
4956 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4957 * @phba: pointer to lpfc hba data structure.
4959 * This routine is invoked to setup the host-side endian order to the
4960 * HBA consistent with the SLI-4 interface spec.
4964 * ENOMEM - No availble memory
4965 * EIO - The mailbox failed to complete successfully.
4968 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
4970 LPFC_MBOXQ_t
*mboxq
;
4972 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
4973 HOST_ENDIAN_HIGH_WORD1
};
4975 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4977 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4978 "0492 Unable to allocate memory for issuing "
4979 "SLI_CONFIG_SPECIAL mailbox command\n");
4984 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
4985 * words to contain special data values and no other data.
4987 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4988 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
4989 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4990 if (rc
!= MBX_SUCCESS
) {
4991 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4992 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
4998 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5003 * lpfc_sli4_queue_create - Create all the SLI4 queues
5004 * @phba: pointer to lpfc hba data structure.
5006 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
5007 * operation. For each SLI4 queue type, the parameters such as queue entry
5008 * count (queue depth) shall be taken from the module parameter. For now,
5009 * we just use some constant number as place holder.
5013 * ENOMEM - No availble memory
5014 * EIO - The mailbox failed to complete successfully.
5017 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
5019 struct lpfc_queue
*qdesc
;
5020 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5021 int cfg_fcp_wq_count
;
5022 int cfg_fcp_eq_count
;
5025 * Sanity check for confiugred queue parameters against the run-time
5029 /* Sanity check on FCP fast-path WQ parameters */
5030 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
5031 if (cfg_fcp_wq_count
>
5032 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
5033 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
5035 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
5036 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5037 "2581 Not enough WQs (%d) from "
5038 "the pci function for supporting "
5040 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5041 phba
->cfg_fcp_wq_count
);
5044 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5045 "2582 Not enough WQs (%d) from the pci "
5046 "function for supporting the requested "
5047 "FCP WQs (%d), the actual FCP WQs can "
5048 "be supported: %d\n",
5049 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5050 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
5052 /* The actual number of FCP work queues adopted */
5053 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
5055 /* Sanity check on FCP fast-path EQ parameters */
5056 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
5057 if (cfg_fcp_eq_count
>
5058 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
5059 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
5061 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
5062 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5063 "2574 Not enough EQs (%d) from the "
5064 "pci function for supporting FCP "
5066 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5067 phba
->cfg_fcp_eq_count
);
5070 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5071 "2575 Not enough EQs (%d) from the pci "
5072 "function for supporting the requested "
5073 "FCP EQs (%d), the actual FCP EQs can "
5074 "be supported: %d\n",
5075 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5076 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
5078 /* It does not make sense to have more EQs than WQs */
5079 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
5080 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5081 "2593 The FCP EQ count(%d) cannot be greater "
5082 "than the FCP WQ count(%d), limiting the "
5083 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
5084 phba
->cfg_fcp_wq_count
,
5085 phba
->cfg_fcp_wq_count
);
5086 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
5088 /* The actual number of FCP event queues adopted */
5089 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
5090 /* The overall number of event queues used */
5091 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
5094 * Create Event Queues (EQs)
5097 /* Get EQ depth from module parameter, fake the default for now */
5098 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
5099 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
5101 /* Create slow path event queue */
5102 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5103 phba
->sli4_hba
.eq_ecount
);
5105 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5106 "0496 Failed allocate slow-path EQ\n");
5109 phba
->sli4_hba
.sp_eq
= qdesc
;
5111 /* Create fast-path FCP Event Queue(s) */
5112 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
5113 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5114 if (!phba
->sli4_hba
.fp_eq
) {
5115 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5116 "2576 Failed allocate memory for fast-path "
5117 "EQ record array\n");
5118 goto out_free_sp_eq
;
5120 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5121 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5122 phba
->sli4_hba
.eq_ecount
);
5124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5125 "0497 Failed allocate fast-path EQ\n");
5126 goto out_free_fp_eq
;
5128 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
5132 * Create Complete Queues (CQs)
5135 /* Get CQ depth from module parameter, fake the default for now */
5136 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
5137 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
5139 /* Create slow-path Mailbox Command Complete Queue */
5140 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5141 phba
->sli4_hba
.cq_ecount
);
5143 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5144 "0500 Failed allocate slow-path mailbox CQ\n");
5145 goto out_free_fp_eq
;
5147 phba
->sli4_hba
.mbx_cq
= qdesc
;
5149 /* Create slow-path ELS Complete Queue */
5150 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5151 phba
->sli4_hba
.cq_ecount
);
5153 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5154 "0501 Failed allocate slow-path ELS CQ\n");
5155 goto out_free_mbx_cq
;
5157 phba
->sli4_hba
.els_cq
= qdesc
;
5160 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5161 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
5162 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5163 if (!phba
->sli4_hba
.fcp_cq
) {
5164 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5165 "2577 Failed allocate memory for fast-path "
5166 "CQ record array\n");
5167 goto out_free_els_cq
;
5169 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5170 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5171 phba
->sli4_hba
.cq_ecount
);
5173 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5174 "0499 Failed allocate fast-path FCP "
5175 "CQ (%d)\n", fcp_cqidx
);
5176 goto out_free_fcp_cq
;
5178 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
5181 /* Create Mailbox Command Queue */
5182 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
5183 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
5185 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
5186 phba
->sli4_hba
.mq_ecount
);
5188 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5189 "0505 Failed allocate slow-path MQ\n");
5190 goto out_free_fcp_cq
;
5192 phba
->sli4_hba
.mbx_wq
= qdesc
;
5195 * Create all the Work Queues (WQs)
5197 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
5198 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
5200 /* Create slow-path ELS Work Queue */
5201 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5202 phba
->sli4_hba
.wq_ecount
);
5204 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5205 "0504 Failed allocate slow-path ELS WQ\n");
5206 goto out_free_mbx_wq
;
5208 phba
->sli4_hba
.els_wq
= qdesc
;
5210 /* Create fast-path FCP Work Queue(s) */
5211 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
5212 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
5213 if (!phba
->sli4_hba
.fcp_wq
) {
5214 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5215 "2578 Failed allocate memory for fast-path "
5216 "WQ record array\n");
5217 goto out_free_els_wq
;
5219 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5220 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5221 phba
->sli4_hba
.wq_ecount
);
5223 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5224 "0503 Failed allocate fast-path FCP "
5225 "WQ (%d)\n", fcp_wqidx
);
5226 goto out_free_fcp_wq
;
5228 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
5232 * Create Receive Queue (RQ)
5234 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
5235 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
5237 /* Create Receive Queue for header */
5238 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5239 phba
->sli4_hba
.rq_ecount
);
5241 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5242 "0506 Failed allocate receive HRQ\n");
5243 goto out_free_fcp_wq
;
5245 phba
->sli4_hba
.hdr_rq
= qdesc
;
5247 /* Create Receive Queue for data */
5248 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5249 phba
->sli4_hba
.rq_ecount
);
5251 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5252 "0507 Failed allocate receive DRQ\n");
5253 goto out_free_hdr_rq
;
5255 phba
->sli4_hba
.dat_rq
= qdesc
;
5260 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5261 phba
->sli4_hba
.hdr_rq
= NULL
;
5263 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
5264 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5265 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
5267 kfree(phba
->sli4_hba
.fcp_wq
);
5269 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5270 phba
->sli4_hba
.els_wq
= NULL
;
5272 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5273 phba
->sli4_hba
.mbx_wq
= NULL
;
5275 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
5276 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5277 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
5279 kfree(phba
->sli4_hba
.fcp_cq
);
5281 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5282 phba
->sli4_hba
.els_cq
= NULL
;
5284 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5285 phba
->sli4_hba
.mbx_cq
= NULL
;
5287 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
5288 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5289 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
5291 kfree(phba
->sli4_hba
.fp_eq
);
5293 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5294 phba
->sli4_hba
.sp_eq
= NULL
;
5300 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5301 * @phba: pointer to lpfc hba data structure.
5303 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5308 * ENOMEM - No availble memory
5309 * EIO - The mailbox failed to complete successfully.
5312 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
5316 /* Release mailbox command work queue */
5317 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5318 phba
->sli4_hba
.mbx_wq
= NULL
;
5320 /* Release ELS work queue */
5321 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5322 phba
->sli4_hba
.els_wq
= NULL
;
5324 /* Release FCP work queue */
5325 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5326 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5327 kfree(phba
->sli4_hba
.fcp_wq
);
5328 phba
->sli4_hba
.fcp_wq
= NULL
;
5330 /* Release unsolicited receive queue */
5331 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5332 phba
->sli4_hba
.hdr_rq
= NULL
;
5333 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
5334 phba
->sli4_hba
.dat_rq
= NULL
;
5336 /* Release ELS complete queue */
5337 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5338 phba
->sli4_hba
.els_cq
= NULL
;
5340 /* Release mailbox command complete queue */
5341 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5342 phba
->sli4_hba
.mbx_cq
= NULL
;
5344 /* Release FCP response complete queue */
5345 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5346 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5347 kfree(phba
->sli4_hba
.fcp_cq
);
5348 phba
->sli4_hba
.fcp_cq
= NULL
;
5350 /* Release fast-path event queue */
5351 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5352 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5353 kfree(phba
->sli4_hba
.fp_eq
);
5354 phba
->sli4_hba
.fp_eq
= NULL
;
5356 /* Release slow-path event queue */
5357 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5358 phba
->sli4_hba
.sp_eq
= NULL
;
5364 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5365 * @phba: pointer to lpfc hba data structure.
5367 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5372 * ENOMEM - No availble memory
5373 * EIO - The mailbox failed to complete successfully.
5376 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
5379 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5380 int fcp_cq_index
= 0;
5383 * Set up Event Queues (EQs)
5386 /* Set up slow-path event queue */
5387 if (!phba
->sli4_hba
.sp_eq
) {
5388 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5389 "0520 Slow-path EQ not allocated\n");
5392 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
5395 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5396 "0521 Failed setup of slow-path EQ: "
5400 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5401 "2583 Slow-path EQ setup: queue-id=%d\n",
5402 phba
->sli4_hba
.sp_eq
->queue_id
);
5404 /* Set up fast-path event queue */
5405 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5406 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
5407 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5408 "0522 Fast-path EQ (%d) not "
5409 "allocated\n", fcp_eqidx
);
5410 goto out_destroy_fp_eq
;
5412 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
5413 phba
->cfg_fcp_imax
);
5415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5416 "0523 Failed setup of fast-path EQ "
5417 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
5418 goto out_destroy_fp_eq
;
5420 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5421 "2584 Fast-path EQ setup: "
5422 "queue[%d]-id=%d\n", fcp_eqidx
,
5423 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
5427 * Set up Complete Queues (CQs)
5430 /* Set up slow-path MBOX Complete Queue as the first CQ */
5431 if (!phba
->sli4_hba
.mbx_cq
) {
5432 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5433 "0528 Mailbox CQ not allocated\n");
5434 goto out_destroy_fp_eq
;
5436 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
5437 LPFC_MCQ
, LPFC_MBOX
);
5439 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5440 "0529 Failed setup of slow-path mailbox CQ: "
5442 goto out_destroy_fp_eq
;
5444 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5445 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5446 phba
->sli4_hba
.mbx_cq
->queue_id
,
5447 phba
->sli4_hba
.sp_eq
->queue_id
);
5449 /* Set up slow-path ELS Complete Queue */
5450 if (!phba
->sli4_hba
.els_cq
) {
5451 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5452 "0530 ELS CQ not allocated\n");
5453 goto out_destroy_mbx_cq
;
5455 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
5456 LPFC_WCQ
, LPFC_ELS
);
5458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5459 "0531 Failed setup of slow-path ELS CQ: "
5461 goto out_destroy_mbx_cq
;
5463 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5464 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5465 phba
->sli4_hba
.els_cq
->queue_id
,
5466 phba
->sli4_hba
.sp_eq
->queue_id
);
5468 /* Set up fast-path FCP Response Complete Queue */
5469 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5470 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
5471 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5472 "0526 Fast-path FCP CQ (%d) not "
5473 "allocated\n", fcp_cqidx
);
5474 goto out_destroy_fcp_cq
;
5476 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
5477 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
5478 LPFC_WCQ
, LPFC_FCP
);
5480 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5481 "0527 Failed setup of fast-path FCP "
5482 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
5483 goto out_destroy_fcp_cq
;
5485 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5486 "2588 FCP CQ setup: cq[%d]-id=%d, "
5487 "parent eq[%d]-id=%d\n",
5489 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
5491 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
);
5495 * Set up all the Work Queues (WQs)
5498 /* Set up Mailbox Command Queue */
5499 if (!phba
->sli4_hba
.mbx_wq
) {
5500 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5501 "0538 Slow-path MQ not allocated\n");
5502 goto out_destroy_fcp_cq
;
5504 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
5505 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
5507 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5508 "0539 Failed setup of slow-path MQ: "
5510 goto out_destroy_fcp_cq
;
5512 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5513 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5514 phba
->sli4_hba
.mbx_wq
->queue_id
,
5515 phba
->sli4_hba
.mbx_cq
->queue_id
);
5517 /* Set up slow-path ELS Work Queue */
5518 if (!phba
->sli4_hba
.els_wq
) {
5519 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5520 "0536 Slow-path ELS WQ not allocated\n");
5521 goto out_destroy_mbx_wq
;
5523 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
5524 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
5526 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5527 "0537 Failed setup of slow-path ELS WQ: "
5529 goto out_destroy_mbx_wq
;
5531 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5532 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5533 phba
->sli4_hba
.els_wq
->queue_id
,
5534 phba
->sli4_hba
.els_cq
->queue_id
);
5536 /* Set up fast-path FCP Work Queue */
5537 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5538 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
5539 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5540 "0534 Fast-path FCP WQ (%d) not "
5541 "allocated\n", fcp_wqidx
);
5542 goto out_destroy_fcp_wq
;
5544 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
5545 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
5548 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5549 "0535 Failed setup of fast-path FCP "
5550 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
5551 goto out_destroy_fcp_wq
;
5553 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5554 "2591 FCP WQ setup: wq[%d]-id=%d, "
5555 "parent cq[%d]-id=%d\n",
5557 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
5559 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
5560 /* Round robin FCP Work Queue's Completion Queue assignment */
5561 fcp_cq_index
= ((fcp_cq_index
+ 1) % phba
->cfg_fcp_eq_count
);
5565 * Create Receive Queue (RQ)
5567 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
5568 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5569 "0540 Receive Queue not allocated\n");
5570 goto out_destroy_fcp_wq
;
5572 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
5573 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
5575 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5576 "0541 Failed setup of Receive Queue: "
5578 goto out_destroy_fcp_wq
;
5580 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5581 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5582 "parent cq-id=%d\n",
5583 phba
->sli4_hba
.hdr_rq
->queue_id
,
5584 phba
->sli4_hba
.dat_rq
->queue_id
,
5585 phba
->sli4_hba
.els_cq
->queue_id
);
5589 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
5590 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5591 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5593 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5595 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
5596 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5597 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5599 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5601 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
5602 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5603 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5609 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5610 * @phba: pointer to lpfc hba data structure.
5612 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5617 * ENOMEM - No availble memory
5618 * EIO - The mailbox failed to complete successfully.
5621 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
5625 /* Unset mailbox command work queue */
5626 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5627 /* Unset ELS work queue */
5628 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5629 /* Unset unsolicited receive queue */
5630 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
5631 /* Unset FCP work queue */
5632 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5633 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5634 /* Unset mailbox command complete queue */
5635 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5636 /* Unset ELS complete queue */
5637 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5638 /* Unset FCP response complete queue */
5639 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5640 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5641 /* Unset fast-path event queue */
5642 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5643 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5644 /* Unset slow-path event queue */
5645 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5649 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5650 * @phba: pointer to lpfc hba data structure.
5652 * This routine is invoked to allocate and set up a pool of completion queue
5653 * events. The body of the completion queue event is a completion queue entry
5654 * CQE. For now, this pool is used for the interrupt service routine to queue
5655 * the following HBA completion queue events for the worker thread to process:
5656 * - Mailbox asynchronous events
5657 * - Receive queue completion unsolicited events
5658 * Later, this can be used for all the slow-path events.
5662 * -ENOMEM - No availble memory
5665 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
5667 struct lpfc_cq_event
*cq_event
;
5670 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
5671 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
5673 goto out_pool_create_fail
;
5674 list_add_tail(&cq_event
->list
,
5675 &phba
->sli4_hba
.sp_cqe_event_pool
);
5679 out_pool_create_fail
:
5680 lpfc_sli4_cq_event_pool_destroy(phba
);
5685 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5686 * @phba: pointer to lpfc hba data structure.
5688 * This routine is invoked to free the pool of completion queue events at
5689 * driver unload time. Note that, it is the responsibility of the driver
5690 * cleanup routine to free all the outstanding completion-queue events
5691 * allocated from this pool back into the pool before invoking this routine
5692 * to destroy the pool.
5695 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
5697 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
5699 list_for_each_entry_safe(cq_event
, next_cq_event
,
5700 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
5701 list_del(&cq_event
->list
);
5707 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5708 * @phba: pointer to lpfc hba data structure.
5710 * This routine is the lock free version of the API invoked to allocate a
5711 * completion-queue event from the free pool.
5713 * Return: Pointer to the newly allocated completion-queue event if successful
5716 struct lpfc_cq_event
*
5717 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5719 struct lpfc_cq_event
*cq_event
= NULL
;
5721 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
5722 struct lpfc_cq_event
, list
);
5727 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5728 * @phba: pointer to lpfc hba data structure.
5730 * This routine is the lock version of the API invoked to allocate a
5731 * completion-queue event from the free pool.
5733 * Return: Pointer to the newly allocated completion-queue event if successful
5736 struct lpfc_cq_event
*
5737 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5739 struct lpfc_cq_event
*cq_event
;
5740 unsigned long iflags
;
5742 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5743 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
5744 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5749 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5750 * @phba: pointer to lpfc hba data structure.
5751 * @cq_event: pointer to the completion queue event to be freed.
5753 * This routine is the lock free version of the API invoked to release a
5754 * completion-queue event back into the free pool.
5757 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5758 struct lpfc_cq_event
*cq_event
)
5760 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
5764 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5765 * @phba: pointer to lpfc hba data structure.
5766 * @cq_event: pointer to the completion queue event to be freed.
5768 * This routine is the lock version of the API invoked to release a
5769 * completion-queue event back into the free pool.
5772 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5773 struct lpfc_cq_event
*cq_event
)
5775 unsigned long iflags
;
5776 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5777 __lpfc_sli4_cq_event_release(phba
, cq_event
);
5778 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5782 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5783 * @phba: pointer to lpfc hba data structure.
5785 * This routine is to free all the pending completion-queue events to the
5786 * back into the free pool for device reset.
5789 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
5792 struct lpfc_cq_event
*cqe
;
5793 unsigned long iflags
;
5795 /* Retrieve all the pending WCQEs from pending WCQE lists */
5796 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5797 /* Pending FCP XRI abort events */
5798 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
5800 /* Pending ELS XRI abort events */
5801 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
5803 /* Pending asynnc events */
5804 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
5806 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5808 while (!list_empty(&cqelist
)) {
5809 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
5810 lpfc_sli4_cq_event_release(phba
, cqe
);
5815 * lpfc_pci_function_reset - Reset pci function.
5816 * @phba: pointer to lpfc hba data structure.
5818 * This routine is invoked to request a PCI function reset. It will destroys
5819 * all resources assigned to the PCI function which originates this request.
5823 * ENOMEM - No availble memory
5824 * EIO - The mailbox failed to complete successfully.
5827 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
5829 LPFC_MBOXQ_t
*mboxq
;
5831 uint32_t shdr_status
, shdr_add_status
;
5832 union lpfc_sli4_cfg_shdr
*shdr
;
5834 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5836 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5837 "0494 Unable to allocate memory for issuing "
5838 "SLI_FUNCTION_RESET mailbox command\n");
5842 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5843 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5844 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
5845 LPFC_SLI4_MBX_EMBED
);
5846 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5847 shdr
= (union lpfc_sli4_cfg_shdr
*)
5848 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5849 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5850 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5851 if (rc
!= MBX_TIMEOUT
)
5852 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5853 if (shdr_status
|| shdr_add_status
|| rc
) {
5854 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5855 "0495 SLI_FUNCTION_RESET mailbox failed with "
5856 "status x%x add_status x%x, mbx status x%x\n",
5857 shdr_status
, shdr_add_status
, rc
);
5864 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5865 * @phba: pointer to lpfc hba data structure.
5866 * @cnt: number of nop mailbox commands to send.
5868 * This routine is invoked to send a number @cnt of NOP mailbox command and
5869 * wait for each command to complete.
5871 * Return: the number of NOP mailbox command completed.
5874 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
5876 LPFC_MBOXQ_t
*mboxq
;
5877 int length
, cmdsent
;
5880 uint32_t shdr_status
, shdr_add_status
;
5881 union lpfc_sli4_cfg_shdr
*shdr
;
5884 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5885 "2518 Requested to send 0 NOP mailbox cmd\n");
5889 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5891 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5892 "2519 Unable to allocate memory for issuing "
5893 "NOP mailbox command\n");
5897 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5898 length
= (sizeof(struct lpfc_mbx_nop
) -
5899 sizeof(struct lpfc_sli4_cfg_mhdr
));
5900 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5901 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
5903 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5904 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
5905 if (!phba
->sli4_hba
.intr_enable
)
5906 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5908 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
5909 if (rc
== MBX_TIMEOUT
)
5911 /* Check return status */
5912 shdr
= (union lpfc_sli4_cfg_shdr
*)
5913 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5914 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5915 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
5917 if (shdr_status
|| shdr_add_status
|| rc
) {
5918 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5919 "2520 NOP mailbox command failed "
5920 "status x%x add_status x%x mbx "
5921 "status x%x\n", shdr_status
,
5922 shdr_add_status
, rc
);
5927 if (rc
!= MBX_TIMEOUT
)
5928 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5934 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5935 * @phba: pointer to lpfc hba data structure.
5938 * This routine is invoked to unregister a FCFI from device.
5941 lpfc_sli4_fcfi_unreg(struct lpfc_hba
*phba
, uint16_t fcfi
)
5946 unsigned long flags
;
5948 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5953 lpfc_unreg_fcfi(mbox
, fcfi
);
5955 if (!phba
->sli4_hba
.intr_enable
)
5956 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5958 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5959 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5961 if (rc
!= MBX_TIMEOUT
)
5962 mempool_free(mbox
, phba
->mbox_mem_pool
);
5963 if (rc
!= MBX_SUCCESS
)
5964 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5965 "2517 Unregister FCFI command failed "
5966 "status %d, mbxStatus x%x\n", rc
,
5967 bf_get(lpfc_mqe_status
, &mbox
->u
.mqe
));
5969 spin_lock_irqsave(&phba
->hbalock
, flags
);
5970 /* Mark the FCFI is no longer registered */
5971 phba
->fcf
.fcf_flag
&=
5972 ~(FCF_AVAILABLE
| FCF_REGISTERED
| FCF_DISCOVERED
);
5973 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
5978 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
5979 * @phba: pointer to lpfc hba data structure.
5981 * This routine is invoked to set up the PCI device memory space for device
5982 * with SLI-4 interface spec.
5986 * other values - error
5989 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
5991 struct pci_dev
*pdev
;
5992 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
5993 int error
= -ENODEV
;
5995 /* Obtain PCI device reference */
5999 pdev
= phba
->pcidev
;
6001 /* Set the device DMA mask size */
6002 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
6003 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
6006 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
6007 * number of bytes required by each mapping. They are actually
6008 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
6010 phba
->pci_bar0_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR0
);
6011 bar0map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR0
);
6013 phba
->pci_bar1_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR1
);
6014 bar1map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR1
);
6016 phba
->pci_bar2_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR2
);
6017 bar2map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR2
);
6019 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
6020 phba
->sli4_hba
.conf_regs_memmap_p
=
6021 ioremap(phba
->pci_bar0_map
, bar0map_len
);
6022 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
6023 dev_printk(KERN_ERR
, &pdev
->dev
,
6024 "ioremap failed for SLI4 PCI config registers.\n");
6028 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
6029 phba
->sli4_hba
.ctrl_regs_memmap_p
=
6030 ioremap(phba
->pci_bar1_map
, bar1map_len
);
6031 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
6032 dev_printk(KERN_ERR
, &pdev
->dev
,
6033 "ioremap failed for SLI4 HBA control registers.\n");
6034 goto out_iounmap_conf
;
6037 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
6038 phba
->sli4_hba
.drbl_regs_memmap_p
=
6039 ioremap(phba
->pci_bar2_map
, bar2map_len
);
6040 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
6041 dev_printk(KERN_ERR
, &pdev
->dev
,
6042 "ioremap failed for SLI4 HBA doorbell registers.\n");
6043 goto out_iounmap_ctrl
;
6046 /* Set up BAR0 PCI config space register memory map */
6047 lpfc_sli4_bar0_register_memmap(phba
);
6049 /* Set up BAR1 register memory map */
6050 lpfc_sli4_bar1_register_memmap(phba
);
6052 /* Set up BAR2 register memory map */
6053 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
6055 goto out_iounmap_all
;
6060 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6062 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6064 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6070 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6071 * @phba: pointer to lpfc hba data structure.
6073 * This routine is invoked to unset the PCI device memory space for device
6074 * with SLI-4 interface spec.
6077 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
6079 struct pci_dev
*pdev
;
6081 /* Obtain PCI device reference */
6085 pdev
= phba
->pcidev
;
6087 /* Free coherent DMA memory allocated */
6089 /* Unmap I/O memory space */
6090 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6091 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6092 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6098 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6099 * @phba: pointer to lpfc hba data structure.
6101 * This routine is invoked to enable the MSI-X interrupt vectors to device
6102 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6103 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6104 * invoked, enables either all or nothing, depending on the current
6105 * availability of PCI vector resources. The device driver is responsible
6106 * for calling the individual request_irq() to register each MSI-X vector
6107 * with a interrupt handler, which is done in this function. Note that
6108 * later when device is unloading, the driver should always call free_irq()
6109 * on all MSI-X vectors it has done request_irq() on before calling
6110 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6111 * will be left with MSI-X enabled and leaks its vectors.
6115 * other values - error
6118 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
6123 /* Set up MSI-X multi-message vectors */
6124 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6125 phba
->msix_entries
[i
].entry
= i
;
6127 /* Configure MSI-X capability structure */
6128 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
6129 ARRAY_SIZE(phba
->msix_entries
));
6131 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6132 "0420 PCI enable MSI-X failed (%d)\n", rc
);
6135 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6136 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6137 "0477 MSI-X entry[%d]: vector=x%x "
6139 phba
->msix_entries
[i
].vector
,
6140 phba
->msix_entries
[i
].entry
);
6142 * Assign MSI-X vectors to interrupt handlers
6145 /* vector-0 is associated to slow-path handler */
6146 rc
= request_irq(phba
->msix_entries
[0].vector
,
6147 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
6148 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6150 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6151 "0421 MSI-X slow-path request_irq failed "
6156 /* vector-1 is associated to fast-path handler */
6157 rc
= request_irq(phba
->msix_entries
[1].vector
,
6158 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
6159 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
6162 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6163 "0429 MSI-X fast-path request_irq failed "
6169 * Configure HBA MSI-X attention conditions to messages
6171 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6175 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6176 "0474 Unable to allocate memory for issuing "
6177 "MBOX_CONFIG_MSI command\n");
6180 rc
= lpfc_config_msi(phba
, pmb
);
6183 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6184 if (rc
!= MBX_SUCCESS
) {
6185 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
6186 "0351 Config MSI mailbox command failed, "
6187 "mbxCmd x%x, mbxStatus x%x\n",
6188 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
6192 /* Free memory allocated for mailbox command */
6193 mempool_free(pmb
, phba
->mbox_mem_pool
);
6197 /* Free memory allocated for mailbox command */
6198 mempool_free(pmb
, phba
->mbox_mem_pool
);
6201 /* free the irq already requested */
6202 free_irq(phba
->msix_entries
[1].vector
, phba
);
6205 /* free the irq already requested */
6206 free_irq(phba
->msix_entries
[0].vector
, phba
);
6209 /* Unconfigure MSI-X capability structure */
6210 pci_disable_msix(phba
->pcidev
);
6215 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6216 * @phba: pointer to lpfc hba data structure.
6218 * This routine is invoked to release the MSI-X vectors and then disable the
6219 * MSI-X interrupt mode to device with SLI-3 interface spec.
6222 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
6226 /* Free up MSI-X multi-message vectors */
6227 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6228 free_irq(phba
->msix_entries
[i
].vector
, phba
);
6230 pci_disable_msix(phba
->pcidev
);
6236 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6237 * @phba: pointer to lpfc hba data structure.
6239 * This routine is invoked to enable the MSI interrupt mode to device with
6240 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6241 * enable the MSI vector. The device driver is responsible for calling the
6242 * request_irq() to register MSI vector with a interrupt the handler, which
6243 * is done in this function.
6247 * other values - error
6250 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
6254 rc
= pci_enable_msi(phba
->pcidev
);
6256 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6257 "0462 PCI enable MSI mode success.\n");
6259 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6260 "0471 PCI enable MSI mode failed (%d)\n", rc
);
6264 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6265 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6267 pci_disable_msi(phba
->pcidev
);
6268 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6269 "0478 MSI request_irq failed (%d)\n", rc
);
6275 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6276 * @phba: pointer to lpfc hba data structure.
6278 * This routine is invoked to disable the MSI interrupt mode to device with
6279 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6280 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6281 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6285 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
6287 free_irq(phba
->pcidev
->irq
, phba
);
6288 pci_disable_msi(phba
->pcidev
);
6293 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6294 * @phba: pointer to lpfc hba data structure.
6296 * This routine is invoked to enable device interrupt and associate driver's
6297 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6298 * spec. Depends on the interrupt mode configured to the driver, the driver
6299 * will try to fallback from the configured interrupt mode to an interrupt
6300 * mode which is supported by the platform, kernel, and device in the order
6302 * MSI-X -> MSI -> IRQ.
6306 * other values - error
6309 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6311 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6314 if (cfg_mode
== 2) {
6315 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6316 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
6318 /* Now, try to enable MSI-X interrupt mode */
6319 retval
= lpfc_sli_enable_msix(phba
);
6321 /* Indicate initialization to MSI-X mode */
6322 phba
->intr_type
= MSIX
;
6328 /* Fallback to MSI if MSI-X initialization failed */
6329 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6330 retval
= lpfc_sli_enable_msi(phba
);
6332 /* Indicate initialization to MSI mode */
6333 phba
->intr_type
= MSI
;
6338 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6339 if (phba
->intr_type
== NONE
) {
6340 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6341 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6343 /* Indicate initialization to INTx mode */
6344 phba
->intr_type
= INTx
;
6352 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6353 * @phba: pointer to lpfc hba data structure.
6355 * This routine is invoked to disable device interrupt and disassociate the
6356 * driver's interrupt handler(s) from interrupt vector(s) to device with
6357 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6358 * release the interrupt vector(s) for the message signaled interrupt.
6361 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
6363 /* Disable the currently initialized interrupt mode */
6364 if (phba
->intr_type
== MSIX
)
6365 lpfc_sli_disable_msix(phba
);
6366 else if (phba
->intr_type
== MSI
)
6367 lpfc_sli_disable_msi(phba
);
6368 else if (phba
->intr_type
== INTx
)
6369 free_irq(phba
->pcidev
->irq
, phba
);
6371 /* Reset interrupt management states */
6372 phba
->intr_type
= NONE
;
6373 phba
->sli
.slistat
.sli_intr
= 0;
6379 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6380 * @phba: pointer to lpfc hba data structure.
6382 * This routine is invoked to enable the MSI-X interrupt vectors to device
6383 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6384 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6385 * enables either all or nothing, depending on the current availability of
6386 * PCI vector resources. The device driver is responsible for calling the
6387 * individual request_irq() to register each MSI-X vector with a interrupt
6388 * handler, which is done in this function. Note that later when device is
6389 * unloading, the driver should always call free_irq() on all MSI-X vectors
6390 * it has done request_irq() on before calling pci_disable_msix(). Failure
6391 * to do so results in a BUG_ON() and a device will be left with MSI-X
6392 * enabled and leaks its vectors.
6396 * other values - error
6399 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
6403 /* Set up MSI-X multi-message vectors */
6404 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6405 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
6407 /* Configure MSI-X capability structure */
6408 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
6409 phba
->sli4_hba
.cfg_eqn
);
6411 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6412 "0484 PCI enable MSI-X failed (%d)\n", rc
);
6415 /* Log MSI-X vector assignment */
6416 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6417 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6418 "0489 MSI-X entry[%d]: vector=x%x "
6419 "message=%d\n", index
,
6420 phba
->sli4_hba
.msix_entries
[index
].vector
,
6421 phba
->sli4_hba
.msix_entries
[index
].entry
);
6423 * Assign MSI-X vectors to interrupt handlers
6426 /* The first vector must associated to slow-path handler for MQ */
6427 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
6428 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
6429 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6431 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6432 "0485 MSI-X slow-path request_irq failed "
6437 /* The rest of the vector(s) are associated to fast-path handler(s) */
6438 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++) {
6439 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
6440 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
6441 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6442 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
6443 LPFC_FP_DRIVER_HANDLER_NAME
,
6444 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6446 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6447 "0486 MSI-X fast-path (%d) "
6448 "request_irq failed (%d)\n", index
, rc
);
6456 /* free the irq already requested */
6457 for (--index
; index
>= 1; index
--)
6458 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
6459 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6461 /* free the irq already requested */
6462 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6465 /* Unconfigure MSI-X capability structure */
6466 pci_disable_msix(phba
->pcidev
);
6471 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6472 * @phba: pointer to lpfc hba data structure.
6474 * This routine is invoked to release the MSI-X vectors and then disable the
6475 * MSI-X interrupt mode to device with SLI-4 interface spec.
6478 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
6482 /* Free up MSI-X multi-message vectors */
6483 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6485 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6486 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6487 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6489 pci_disable_msix(phba
->pcidev
);
6495 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6496 * @phba: pointer to lpfc hba data structure.
6498 * This routine is invoked to enable the MSI interrupt mode to device with
6499 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6500 * to enable the MSI vector. The device driver is responsible for calling
6501 * the request_irq() to register MSI vector with a interrupt the handler,
6502 * which is done in this function.
6506 * other values - error
6509 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
6513 rc
= pci_enable_msi(phba
->pcidev
);
6515 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6516 "0487 PCI enable MSI mode success.\n");
6518 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6519 "0488 PCI enable MSI mode failed (%d)\n", rc
);
6523 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6524 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6526 pci_disable_msi(phba
->pcidev
);
6527 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6528 "0490 MSI request_irq failed (%d)\n", rc
);
6531 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
6532 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6533 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6540 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6541 * @phba: pointer to lpfc hba data structure.
6543 * This routine is invoked to disable the MSI interrupt mode to device with
6544 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6545 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6546 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6550 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
6552 free_irq(phba
->pcidev
->irq
, phba
);
6553 pci_disable_msi(phba
->pcidev
);
6558 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6559 * @phba: pointer to lpfc hba data structure.
6561 * This routine is invoked to enable device interrupt and associate driver's
6562 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6563 * interface spec. Depends on the interrupt mode configured to the driver,
6564 * the driver will try to fallback from the configured interrupt mode to an
6565 * interrupt mode which is supported by the platform, kernel, and device in
6567 * MSI-X -> MSI -> IRQ.
6571 * other values - error
6574 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6576 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6579 if (cfg_mode
== 2) {
6580 /* Preparation before conf_msi mbox cmd */
6583 /* Now, try to enable MSI-X interrupt mode */
6584 retval
= lpfc_sli4_enable_msix(phba
);
6586 /* Indicate initialization to MSI-X mode */
6587 phba
->intr_type
= MSIX
;
6593 /* Fallback to MSI if MSI-X initialization failed */
6594 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6595 retval
= lpfc_sli4_enable_msi(phba
);
6597 /* Indicate initialization to MSI mode */
6598 phba
->intr_type
= MSI
;
6603 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6604 if (phba
->intr_type
== NONE
) {
6605 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6606 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6608 /* Indicate initialization to INTx mode */
6609 phba
->intr_type
= INTx
;
6611 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
6613 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6614 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6622 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6623 * @phba: pointer to lpfc hba data structure.
6625 * This routine is invoked to disable device interrupt and disassociate
6626 * the driver's interrupt handler(s) from interrupt vector(s) to device
6627 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6628 * will release the interrupt vector(s) for the message signaled interrupt.
6631 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
6633 /* Disable the currently initialized interrupt mode */
6634 if (phba
->intr_type
== MSIX
)
6635 lpfc_sli4_disable_msix(phba
);
6636 else if (phba
->intr_type
== MSI
)
6637 lpfc_sli4_disable_msi(phba
);
6638 else if (phba
->intr_type
== INTx
)
6639 free_irq(phba
->pcidev
->irq
, phba
);
6641 /* Reset interrupt management states */
6642 phba
->intr_type
= NONE
;
6643 phba
->sli
.slistat
.sli_intr
= 0;
6649 * lpfc_unset_hba - Unset SLI3 hba device initialization
6650 * @phba: pointer to lpfc hba data structure.
6652 * This routine is invoked to unset the HBA device initialization steps to
6653 * a device with SLI-3 interface spec.
6656 lpfc_unset_hba(struct lpfc_hba
*phba
)
6658 struct lpfc_vport
*vport
= phba
->pport
;
6659 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6661 spin_lock_irq(shost
->host_lock
);
6662 vport
->load_flag
|= FC_UNLOADING
;
6663 spin_unlock_irq(shost
->host_lock
);
6665 lpfc_stop_hba_timers(phba
);
6667 phba
->pport
->work_port_events
= 0;
6669 lpfc_sli_hba_down(phba
);
6671 lpfc_sli_brdrestart(phba
);
6673 lpfc_sli_disable_intr(phba
);
6679 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6680 * @phba: pointer to lpfc hba data structure.
6682 * This routine is invoked to unset the HBA device initialization steps to
6683 * a device with SLI-4 interface spec.
6686 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
6688 struct lpfc_vport
*vport
= phba
->pport
;
6689 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6691 spin_lock_irq(shost
->host_lock
);
6692 vport
->load_flag
|= FC_UNLOADING
;
6693 spin_unlock_irq(shost
->host_lock
);
6695 phba
->pport
->work_port_events
= 0;
6697 lpfc_sli4_hba_down(phba
);
6699 lpfc_sli4_disable_intr(phba
);
6705 * lpfc_sli4_hba_unset - Unset the fcoe hba
6706 * @phba: Pointer to HBA context object.
6708 * This function is called in the SLI4 code path to reset the HBA's FCoE
6709 * function. The caller is not required to hold any lock. This routine
6710 * issues PCI function reset mailbox command to reset the FCoE function.
6711 * At the end of the function, it calls lpfc_hba_down_post function to
6712 * free any pending commands.
6715 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
6718 LPFC_MBOXQ_t
*mboxq
;
6720 lpfc_stop_hba_timers(phba
);
6721 phba
->sli4_hba
.intr_enable
= 0;
6724 * Gracefully wait out the potential current outstanding asynchronous
6728 /* First, block any pending async mailbox command from posted */
6729 spin_lock_irq(&phba
->hbalock
);
6730 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
6731 spin_unlock_irq(&phba
->hbalock
);
6732 /* Now, trying to wait it out if we can */
6733 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6735 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
6738 /* Forcefully release the outstanding mailbox command if timed out */
6739 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6740 spin_lock_irq(&phba
->hbalock
);
6741 mboxq
= phba
->sli
.mbox_active
;
6742 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
6743 __lpfc_mbox_cmpl_put(phba
, mboxq
);
6744 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6745 phba
->sli
.mbox_active
= NULL
;
6746 spin_unlock_irq(&phba
->hbalock
);
6749 /* Tear down the queues in the HBA */
6750 lpfc_sli4_queue_unset(phba
);
6752 /* Disable PCI subsystem interrupt */
6753 lpfc_sli4_disable_intr(phba
);
6755 /* Stop kthread signal shall trigger work_done one more time */
6756 kthread_stop(phba
->worker_thread
);
6758 /* Stop the SLI4 device port */
6759 phba
->pport
->work_port_events
= 0;
6763 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6764 * @pdev: pointer to PCI device
6765 * @pid: pointer to PCI device identifier
6767 * This routine is to be called to attach a device with SLI-3 interface spec
6768 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6769 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6770 * information of the device and driver to see if the driver state that it can
6771 * support this kind of device. If the match is successful, the driver core
6772 * invokes this routine. If this routine determines it can claim the HBA, it
6773 * does all the initialization that it needs to do to handle the HBA properly.
6776 * 0 - driver can claim the device
6777 * negative value - driver can not claim the device
6779 static int __devinit
6780 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
6782 struct lpfc_hba
*phba
;
6783 struct lpfc_vport
*vport
= NULL
;
6784 struct Scsi_Host
*shost
= NULL
;
6786 uint32_t cfg_mode
, intr_mode
;
6788 /* Allocate memory for HBA structure */
6789 phba
= lpfc_hba_alloc(pdev
);
6793 /* Perform generic PCI device enabling operation */
6794 error
= lpfc_enable_pci_dev(phba
);
6796 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6797 "1401 Failed to enable pci device.\n");
6801 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6802 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
6804 goto out_disable_pci_dev
;
6806 /* Set up SLI-3 specific device PCI memory space */
6807 error
= lpfc_sli_pci_mem_setup(phba
);
6809 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6810 "1402 Failed to set up pci memory space.\n");
6811 goto out_disable_pci_dev
;
6814 /* Set up phase-1 common device driver resources */
6815 error
= lpfc_setup_driver_resource_phase1(phba
);
6817 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6818 "1403 Failed to set up driver resource.\n");
6819 goto out_unset_pci_mem_s3
;
6822 /* Set up SLI-3 specific device driver resources */
6823 error
= lpfc_sli_driver_resource_setup(phba
);
6825 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6826 "1404 Failed to set up driver resource.\n");
6827 goto out_unset_pci_mem_s3
;
6830 /* Initialize and populate the iocb list per host */
6831 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
6833 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6834 "1405 Failed to initialize iocb list.\n");
6835 goto out_unset_driver_resource_s3
;
6838 /* Set up common device driver resources */
6839 error
= lpfc_setup_driver_resource_phase2(phba
);
6841 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6842 "1406 Failed to set up driver resource.\n");
6843 goto out_free_iocb_list
;
6846 /* Create SCSI host to the physical port */
6847 error
= lpfc_create_shost(phba
);
6849 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6850 "1407 Failed to create scsi host.\n");
6851 goto out_unset_driver_resource
;
6854 /* Configure sysfs attributes */
6855 vport
= phba
->pport
;
6856 error
= lpfc_alloc_sysfs_attr(vport
);
6858 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6859 "1476 Failed to allocate sysfs attr\n");
6860 goto out_destroy_shost
;
6863 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
6864 /* Now, trying to enable interrupt and bring up the device */
6865 cfg_mode
= phba
->cfg_use_msi
;
6867 /* Put device to a known state before enabling interrupt */
6868 lpfc_stop_port(phba
);
6869 /* Configure and enable interrupt */
6870 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
6871 if (intr_mode
== LPFC_INTR_ERROR
) {
6872 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6873 "0431 Failed to enable interrupt.\n");
6875 goto out_free_sysfs_attr
;
6877 /* SLI-3 HBA setup */
6878 if (lpfc_sli_hba_setup(phba
)) {
6879 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6880 "1477 Failed to set up hba\n");
6882 goto out_remove_device
;
6885 /* Wait 50ms for the interrupts of previous mailbox commands */
6887 /* Check active interrupts on message signaled interrupts */
6888 if (intr_mode
== 0 ||
6889 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
6890 /* Log the current active interrupt mode */
6891 phba
->intr_mode
= intr_mode
;
6892 lpfc_log_intr_mode(phba
, intr_mode
);
6895 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6896 "0447 Configure interrupt mode (%d) "
6897 "failed active interrupt test.\n",
6899 /* Disable the current interrupt mode */
6900 lpfc_sli_disable_intr(phba
);
6901 /* Try next level of interrupt mode */
6902 cfg_mode
= --intr_mode
;
6906 /* Perform post initialization setup */
6907 lpfc_post_init_setup(phba
);
6909 /* Check if there are static vports to be created. */
6910 lpfc_create_static_vport(phba
);
6915 lpfc_unset_hba(phba
);
6916 out_free_sysfs_attr
:
6917 lpfc_free_sysfs_attr(vport
);
6919 lpfc_destroy_shost(phba
);
6920 out_unset_driver_resource
:
6921 lpfc_unset_driver_resource_phase2(phba
);
6923 lpfc_free_iocb_list(phba
);
6924 out_unset_driver_resource_s3
:
6925 lpfc_sli_driver_resource_unset(phba
);
6926 out_unset_pci_mem_s3
:
6927 lpfc_sli_pci_mem_unset(phba
);
6928 out_disable_pci_dev
:
6929 lpfc_disable_pci_dev(phba
);
6931 scsi_host_put(shost
);
6933 lpfc_hba_free(phba
);
6938 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6939 * @pdev: pointer to PCI device
6941 * This routine is to be called to disattach a device with SLI-3 interface
6942 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6943 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6944 * device to be removed from the PCI subsystem properly.
6946 static void __devexit
6947 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
6949 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6950 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6951 struct lpfc_vport
**vports
;
6952 struct lpfc_hba
*phba
= vport
->phba
;
6954 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
6956 spin_lock_irq(&phba
->hbalock
);
6957 vport
->load_flag
|= FC_UNLOADING
;
6958 spin_unlock_irq(&phba
->hbalock
);
6960 lpfc_free_sysfs_attr(vport
);
6962 /* Release all the vports against this physical port */
6963 vports
= lpfc_create_vport_work_array(phba
);
6965 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
6966 fc_vport_terminate(vports
[i
]->fc_vport
);
6967 lpfc_destroy_vport_work_array(phba
, vports
);
6969 /* Remove FC host and then SCSI host with the physical port */
6970 fc_remove_host(shost
);
6971 scsi_remove_host(shost
);
6972 lpfc_cleanup(vport
);
6975 * Bring down the SLI Layer. This step disable all interrupts,
6976 * clears the rings, discards all mailbox commands, and resets
6980 /* HBA interrupt will be diabled after this call */
6981 lpfc_sli_hba_down(phba
);
6982 /* Stop kthread signal shall trigger work_done one more time */
6983 kthread_stop(phba
->worker_thread
);
6984 /* Final cleanup of txcmplq and reset the HBA */
6985 lpfc_sli_brdrestart(phba
);
6987 lpfc_stop_hba_timers(phba
);
6988 spin_lock_irq(&phba
->hbalock
);
6989 list_del_init(&vport
->listentry
);
6990 spin_unlock_irq(&phba
->hbalock
);
6992 lpfc_debugfs_terminate(vport
);
6994 /* Disable interrupt */
6995 lpfc_sli_disable_intr(phba
);
6997 pci_set_drvdata(pdev
, NULL
);
6998 scsi_host_put(shost
);
7001 * Call scsi_free before mem_free since scsi bufs are released to their
7002 * corresponding pools here.
7004 lpfc_scsi_free(phba
);
7005 lpfc_mem_free_all(phba
);
7007 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7008 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7010 /* Free resources associated with SLI2 interface */
7011 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7012 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7014 /* unmap adapter SLIM and Control Registers */
7015 iounmap(phba
->ctrl_regs_memmap_p
);
7016 iounmap(phba
->slim_memmap_p
);
7018 lpfc_hba_free(phba
);
7020 pci_release_selected_regions(pdev
, bars
);
7021 pci_disable_device(pdev
);
7025 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
7026 * @pdev: pointer to PCI device
7027 * @msg: power management message
7029 * This routine is to be called from the kernel's PCI subsystem to support
7030 * system Power Management (PM) to device with SLI-3 interface spec. When
7031 * PM invokes this method, it quiesces the device by stopping the driver's
7032 * worker thread for the device, turning off device's interrupt and DMA,
7033 * and bring the device offline. Note that as the driver implements the
7034 * minimum PM requirements to a power-aware driver's PM support for the
7035 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7036 * to the suspend() method call will be treated as SUSPEND and the driver will
7037 * fully reinitialize its device during resume() method call, the driver will
7038 * set device to PCI_D3hot state in PCI config space instead of setting it
7039 * according to the @msg provided by the PM.
7042 * 0 - driver suspended the device
7046 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
7048 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7049 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7051 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7052 "0473 PCI device Power Management suspend.\n");
7054 /* Bring down the device */
7055 lpfc_offline_prep(phba
);
7057 kthread_stop(phba
->worker_thread
);
7059 /* Disable interrupt from device */
7060 lpfc_sli_disable_intr(phba
);
7062 /* Save device state to PCI config space */
7063 pci_save_state(pdev
);
7064 pci_set_power_state(pdev
, PCI_D3hot
);
7070 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7071 * @pdev: pointer to PCI device
7073 * This routine is to be called from the kernel's PCI subsystem to support
7074 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7075 * invokes this method, it restores the device's PCI config space state and
7076 * fully reinitializes the device and brings it online. Note that as the
7077 * driver implements the minimum PM requirements to a power-aware driver's
7078 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7079 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7080 * driver will fully reinitialize its device during resume() method call,
7081 * the device will be set to PCI_D0 directly in PCI config space before
7082 * restoring the state.
7085 * 0 - driver suspended the device
7089 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
7091 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7092 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7096 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7097 "0452 PCI device Power Management resume.\n");
7099 /* Restore device state from PCI config space */
7100 pci_set_power_state(pdev
, PCI_D0
);
7101 pci_restore_state(pdev
);
7103 if (pdev
->is_busmaster
)
7104 pci_set_master(pdev
);
7106 /* Startup the kernel thread for this host adapter. */
7107 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7108 "lpfc_worker_%d", phba
->brd_no
);
7109 if (IS_ERR(phba
->worker_thread
)) {
7110 error
= PTR_ERR(phba
->worker_thread
);
7111 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7112 "0434 PM resume failed to start worker "
7113 "thread: error=x%x.\n", error
);
7117 /* Configure and enable interrupt */
7118 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7119 if (intr_mode
== LPFC_INTR_ERROR
) {
7120 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7121 "0430 PM resume Failed to enable interrupt\n");
7124 phba
->intr_mode
= intr_mode
;
7126 /* Restart HBA and bring it online */
7127 lpfc_sli_brdrestart(phba
);
7130 /* Log the current active interrupt mode */
7131 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7137 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
7138 * @phba: pointer to lpfc hba data structure.
7140 * This routine is called to prepare the SLI3 device for PCI slot reset. It
7141 * disables the device interrupt and pci device, and aborts the internal FCP
7145 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
7147 struct lpfc_sli
*psli
= &phba
->sli
;
7148 struct lpfc_sli_ring
*pring
;
7150 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7151 "2710 PCI channel I/O frozen\n");
7152 /* Disable interrupt and pci device */
7153 lpfc_sli_disable_intr(phba
);
7154 pci_disable_device(phba
->pcidev
);
7156 * There may be I/Os dropped by the firmware.
7157 * Error iocb (I/O) on txcmplq and let the SCSI layer
7158 * retry it after re-establishing link.
7160 pring
= &psli
->ring
[psli
->fcp_ring
];
7161 lpfc_sli_abort_iocb_ring(phba
, pring
);
7165 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
7166 * @phba: pointer to lpfc hba data structure.
7168 * This routine is called to prepare the SLI3 device for PCI slot permanently
7169 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
7173 lpfc_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
7175 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7176 "2711 PCI channel I/O permanent failure\n");
7177 /* Block all SCSI devices' I/Os on the host */
7178 lpfc_scsi_dev_block(phba
);
7179 /* Clean up all driver's outstanding SCSI I/Os */
7180 lpfc_sli_flush_fcp_rings(phba
);
7184 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7185 * @pdev: pointer to PCI device.
7186 * @state: the current PCI connection state.
7188 * This routine is called from the PCI subsystem for I/O error handling to
7189 * device with SLI-3 interface spec. This function is called by the PCI
7190 * subsystem after a PCI bus error affecting this device has been detected.
7191 * When this function is invoked, it will need to stop all the I/Os and
7192 * interrupt(s) to the device. Once that is done, it will return
7193 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7197 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
7198 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7199 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7201 static pci_ers_result_t
7202 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
7204 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7205 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7208 case pci_channel_io_normal
:
7209 /* Non-fatal error, do nothing */
7210 return PCI_ERS_RESULT_CAN_RECOVER
;
7211 case pci_channel_io_frozen
:
7212 /* Fatal error, prepare for slot reset */
7213 lpfc_sli_prep_dev_for_reset(phba
);
7214 return PCI_ERS_RESULT_NEED_RESET
;
7215 case pci_channel_io_perm_failure
:
7216 /* Permanent failure, prepare for device down */
7217 lpfc_prep_dev_for_perm_failure(phba
);
7218 return PCI_ERS_RESULT_DISCONNECT
;
7220 /* Unknown state, prepare and request slot reset */
7221 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7222 "0472 Unknown PCI error state: x%x\n", state
);
7223 lpfc_sli_prep_dev_for_reset(phba
);
7224 return PCI_ERS_RESULT_NEED_RESET
;
7229 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7230 * @pdev: pointer to PCI device.
7232 * This routine is called from the PCI subsystem for error handling to
7233 * device with SLI-3 interface spec. This is called after PCI bus has been
7234 * reset to restart the PCI card from scratch, as if from a cold-boot.
7235 * During the PCI subsystem error recovery, after driver returns
7236 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7237 * recovery and then call this routine before calling the .resume method
7238 * to recover the device. This function will initialize the HBA device,
7239 * enable the interrupt, but it will just put the HBA to offline state
7240 * without passing any I/O traffic.
7243 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7244 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7246 static pci_ers_result_t
7247 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
7249 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7250 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7251 struct lpfc_sli
*psli
= &phba
->sli
;
7254 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
7255 if (pci_enable_device_mem(pdev
)) {
7256 printk(KERN_ERR
"lpfc: Cannot re-enable "
7257 "PCI device after reset.\n");
7258 return PCI_ERS_RESULT_DISCONNECT
;
7261 pci_restore_state(pdev
);
7262 if (pdev
->is_busmaster
)
7263 pci_set_master(pdev
);
7265 spin_lock_irq(&phba
->hbalock
);
7266 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
7267 spin_unlock_irq(&phba
->hbalock
);
7269 /* Configure and enable interrupt */
7270 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7271 if (intr_mode
== LPFC_INTR_ERROR
) {
7272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7273 "0427 Cannot re-enable interrupt after "
7275 return PCI_ERS_RESULT_DISCONNECT
;
7277 phba
->intr_mode
= intr_mode
;
7279 /* Take device offline; this will perform cleanup */
7281 lpfc_sli_brdrestart(phba
);
7283 /* Log the current active interrupt mode */
7284 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7286 return PCI_ERS_RESULT_RECOVERED
;
7290 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7291 * @pdev: pointer to PCI device
7293 * This routine is called from the PCI subsystem for error handling to device
7294 * with SLI-3 interface spec. It is called when kernel error recovery tells
7295 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7296 * error recovery. After this call, traffic can start to flow from this device
7300 lpfc_io_resume_s3(struct pci_dev
*pdev
)
7302 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7303 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7305 /* Bring the device online */
7308 /* Clean up Advanced Error Reporting (AER) if needed */
7309 if (phba
->hba_flag
& HBA_AER_ENABLED
)
7310 pci_cleanup_aer_uncorrect_error_status(pdev
);
7314 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7315 * @phba: pointer to lpfc hba data structure.
7317 * returns the number of ELS/CT IOCBs to reserve
7320 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
7322 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
7324 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
7327 else if (max_xri
<= 256)
7329 else if (max_xri
<= 512)
7331 else if (max_xri
<= 1024)
7340 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7341 * @pdev: pointer to PCI device
7342 * @pid: pointer to PCI device identifier
7344 * This routine is called from the kernel's PCI subsystem to device with
7345 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7346 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7347 * information of the device and driver to see if the driver state that it
7348 * can support this kind of device. If the match is successful, the driver
7349 * core invokes this routine. If this routine determines it can claim the HBA,
7350 * it does all the initialization that it needs to do to handle the HBA
7354 * 0 - driver can claim the device
7355 * negative value - driver can not claim the device
7357 static int __devinit
7358 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7360 struct lpfc_hba
*phba
;
7361 struct lpfc_vport
*vport
= NULL
;
7362 struct Scsi_Host
*shost
= NULL
;
7364 uint32_t cfg_mode
, intr_mode
;
7367 /* Allocate memory for HBA structure */
7368 phba
= lpfc_hba_alloc(pdev
);
7372 /* Perform generic PCI device enabling operation */
7373 error
= lpfc_enable_pci_dev(phba
);
7375 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7376 "1409 Failed to enable pci device.\n");
7380 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7381 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
7383 goto out_disable_pci_dev
;
7385 /* Set up SLI-4 specific device PCI memory space */
7386 error
= lpfc_sli4_pci_mem_setup(phba
);
7388 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7389 "1410 Failed to set up pci memory space.\n");
7390 goto out_disable_pci_dev
;
7393 /* Set up phase-1 common device driver resources */
7394 error
= lpfc_setup_driver_resource_phase1(phba
);
7396 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7397 "1411 Failed to set up driver resource.\n");
7398 goto out_unset_pci_mem_s4
;
7401 /* Set up SLI-4 Specific device driver resources */
7402 error
= lpfc_sli4_driver_resource_setup(phba
);
7404 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7405 "1412 Failed to set up driver resource.\n");
7406 goto out_unset_pci_mem_s4
;
7409 /* Initialize and populate the iocb list per host */
7410 error
= lpfc_init_iocb_list(phba
,
7411 phba
->sli4_hba
.max_cfg_param
.max_xri
);
7413 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7414 "1413 Failed to initialize iocb list.\n");
7415 goto out_unset_driver_resource_s4
;
7418 /* Set up common device driver resources */
7419 error
= lpfc_setup_driver_resource_phase2(phba
);
7421 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7422 "1414 Failed to set up driver resource.\n");
7423 goto out_free_iocb_list
;
7426 /* Create SCSI host to the physical port */
7427 error
= lpfc_create_shost(phba
);
7429 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7430 "1415 Failed to create scsi host.\n");
7431 goto out_unset_driver_resource
;
7434 /* Configure sysfs attributes */
7435 vport
= phba
->pport
;
7436 error
= lpfc_alloc_sysfs_attr(vport
);
7438 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7439 "1416 Failed to allocate sysfs attr\n");
7440 goto out_destroy_shost
;
7443 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
7444 /* Now, trying to enable interrupt and bring up the device */
7445 cfg_mode
= phba
->cfg_use_msi
;
7447 /* Put device to a known state before enabling interrupt */
7448 lpfc_stop_port(phba
);
7449 /* Configure and enable interrupt */
7450 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
7451 if (intr_mode
== LPFC_INTR_ERROR
) {
7452 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7453 "0426 Failed to enable interrupt.\n");
7455 goto out_free_sysfs_attr
;
7457 /* Set up SLI-4 HBA */
7458 if (lpfc_sli4_hba_setup(phba
)) {
7459 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7460 "1421 Failed to set up hba\n");
7462 goto out_disable_intr
;
7465 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7467 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
7470 /* Check active interrupts received only for MSI/MSI-X */
7471 if (intr_mode
== 0 ||
7472 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
7473 /* Log the current active interrupt mode */
7474 phba
->intr_mode
= intr_mode
;
7475 lpfc_log_intr_mode(phba
, intr_mode
);
7478 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7479 "0451 Configure interrupt mode (%d) "
7480 "failed active interrupt test.\n",
7482 /* Unset the preivous SLI-4 HBA setup */
7483 lpfc_sli4_unset_hba(phba
);
7484 /* Try next level of interrupt mode */
7485 cfg_mode
= --intr_mode
;
7488 /* Perform post initialization setup */
7489 lpfc_post_init_setup(phba
);
7491 /* Check if there are static vports to be created. */
7492 lpfc_create_static_vport(phba
);
7497 lpfc_sli4_disable_intr(phba
);
7498 out_free_sysfs_attr
:
7499 lpfc_free_sysfs_attr(vport
);
7501 lpfc_destroy_shost(phba
);
7502 out_unset_driver_resource
:
7503 lpfc_unset_driver_resource_phase2(phba
);
7505 lpfc_free_iocb_list(phba
);
7506 out_unset_driver_resource_s4
:
7507 lpfc_sli4_driver_resource_unset(phba
);
7508 out_unset_pci_mem_s4
:
7509 lpfc_sli4_pci_mem_unset(phba
);
7510 out_disable_pci_dev
:
7511 lpfc_disable_pci_dev(phba
);
7513 scsi_host_put(shost
);
7515 lpfc_hba_free(phba
);
7520 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7521 * @pdev: pointer to PCI device
7523 * This routine is called from the kernel's PCI subsystem to device with
7524 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7525 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7526 * device to be removed from the PCI subsystem properly.
7528 static void __devexit
7529 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
7531 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7532 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
7533 struct lpfc_vport
**vports
;
7534 struct lpfc_hba
*phba
= vport
->phba
;
7537 /* Mark the device unloading flag */
7538 spin_lock_irq(&phba
->hbalock
);
7539 vport
->load_flag
|= FC_UNLOADING
;
7540 spin_unlock_irq(&phba
->hbalock
);
7542 /* Free the HBA sysfs attributes */
7543 lpfc_free_sysfs_attr(vport
);
7545 /* Release all the vports against this physical port */
7546 vports
= lpfc_create_vport_work_array(phba
);
7548 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
7549 fc_vport_terminate(vports
[i
]->fc_vport
);
7550 lpfc_destroy_vport_work_array(phba
, vports
);
7552 /* Remove FC host and then SCSI host with the physical port */
7553 fc_remove_host(shost
);
7554 scsi_remove_host(shost
);
7556 /* Perform cleanup on the physical port */
7557 lpfc_cleanup(vport
);
7560 * Bring down the SLI Layer. This step disables all interrupts,
7561 * clears the rings, discards all mailbox commands, and resets
7562 * the HBA FCoE function.
7564 lpfc_debugfs_terminate(vport
);
7565 lpfc_sli4_hba_unset(phba
);
7567 spin_lock_irq(&phba
->hbalock
);
7568 list_del_init(&vport
->listentry
);
7569 spin_unlock_irq(&phba
->hbalock
);
7571 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7572 * buffers are released to their corresponding pools here.
7574 lpfc_scsi_free(phba
);
7575 lpfc_sli4_driver_resource_unset(phba
);
7577 /* Unmap adapter Control and Doorbell registers */
7578 lpfc_sli4_pci_mem_unset(phba
);
7580 /* Release PCI resources and disable device's PCI function */
7581 scsi_host_put(shost
);
7582 lpfc_disable_pci_dev(phba
);
7584 /* Finally, free the driver's device data structure */
7585 lpfc_hba_free(phba
);
7591 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7592 * @pdev: pointer to PCI device
7593 * @msg: power management message
7595 * This routine is called from the kernel's PCI subsystem to support system
7596 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7597 * this method, it quiesces the device by stopping the driver's worker
7598 * thread for the device, turning off device's interrupt and DMA, and bring
7599 * the device offline. Note that as the driver implements the minimum PM
7600 * requirements to a power-aware driver's PM support for suspend/resume -- all
7601 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7602 * method call will be treated as SUSPEND and the driver will fully
7603 * reinitialize its device during resume() method call, the driver will set
7604 * device to PCI_D3hot state in PCI config space instead of setting it
7605 * according to the @msg provided by the PM.
7608 * 0 - driver suspended the device
7612 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
7614 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7615 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7617 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7618 "0298 PCI device Power Management suspend.\n");
7620 /* Bring down the device */
7621 lpfc_offline_prep(phba
);
7623 kthread_stop(phba
->worker_thread
);
7625 /* Disable interrupt from device */
7626 lpfc_sli4_disable_intr(phba
);
7628 /* Save device state to PCI config space */
7629 pci_save_state(pdev
);
7630 pci_set_power_state(pdev
, PCI_D3hot
);
7636 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7637 * @pdev: pointer to PCI device
7639 * This routine is called from the kernel's PCI subsystem to support system
7640 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7641 * this method, it restores the device's PCI config space state and fully
7642 * reinitializes the device and brings it online. Note that as the driver
7643 * implements the minimum PM requirements to a power-aware driver's PM for
7644 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7645 * to the suspend() method call will be treated as SUSPEND and the driver
7646 * will fully reinitialize its device during resume() method call, the device
7647 * will be set to PCI_D0 directly in PCI config space before restoring the
7651 * 0 - driver suspended the device
7655 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
7657 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7658 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7662 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7663 "0292 PCI device Power Management resume.\n");
7665 /* Restore device state from PCI config space */
7666 pci_set_power_state(pdev
, PCI_D0
);
7667 pci_restore_state(pdev
);
7668 if (pdev
->is_busmaster
)
7669 pci_set_master(pdev
);
7671 /* Startup the kernel thread for this host adapter. */
7672 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7673 "lpfc_worker_%d", phba
->brd_no
);
7674 if (IS_ERR(phba
->worker_thread
)) {
7675 error
= PTR_ERR(phba
->worker_thread
);
7676 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7677 "0293 PM resume failed to start worker "
7678 "thread: error=x%x.\n", error
);
7682 /* Configure and enable interrupt */
7683 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
7684 if (intr_mode
== LPFC_INTR_ERROR
) {
7685 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7686 "0294 PM resume Failed to enable interrupt\n");
7689 phba
->intr_mode
= intr_mode
;
7691 /* Restart HBA and bring it online */
7692 lpfc_sli_brdrestart(phba
);
7695 /* Log the current active interrupt mode */
7696 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7702 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7703 * @pdev: pointer to PCI device.
7704 * @state: the current PCI connection state.
7706 * This routine is called from the PCI subsystem for error handling to device
7707 * with SLI-4 interface spec. This function is called by the PCI subsystem
7708 * after a PCI bus error affecting this device has been detected. When this
7709 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7710 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7711 * for the PCI subsystem to perform proper recovery as desired.
7714 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7715 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7717 static pci_ers_result_t
7718 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
7720 return PCI_ERS_RESULT_NEED_RESET
;
7724 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7725 * @pdev: pointer to PCI device.
7727 * This routine is called from the PCI subsystem for error handling to device
7728 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7729 * restart the PCI card from scratch, as if from a cold-boot. During the
7730 * PCI subsystem error recovery, after the driver returns
7731 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7732 * recovery and then call this routine before calling the .resume method to
7733 * recover the device. This function will initialize the HBA device, enable
7734 * the interrupt, but it will just put the HBA to offline state without
7735 * passing any I/O traffic.
7738 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7739 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7741 static pci_ers_result_t
7742 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
7744 return PCI_ERS_RESULT_RECOVERED
;
7748 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7749 * @pdev: pointer to PCI device
7751 * This routine is called from the PCI subsystem for error handling to device
7752 * with SLI-4 interface spec. It is called when kernel error recovery tells
7753 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7754 * error recovery. After this call, traffic can start to flow from this device
7758 lpfc_io_resume_s4(struct pci_dev
*pdev
)
7764 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7765 * @pdev: pointer to PCI device
7766 * @pid: pointer to PCI device identifier
7768 * This routine is to be registered to the kernel's PCI subsystem. When an
7769 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7770 * at PCI device-specific information of the device and driver to see if the
7771 * driver state that it can support this kind of device. If the match is
7772 * successful, the driver core invokes this routine. This routine dispatches
7773 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7774 * do all the initialization that it needs to do to handle the HBA device
7778 * 0 - driver can claim the device
7779 * negative value - driver can not claim the device
7781 static int __devinit
7782 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7785 struct lpfc_sli_intf intf
;
7787 if (pci_read_config_dword(pdev
, LPFC_SLIREV_CONF_WORD
, &intf
.word0
))
7790 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
7791 (bf_get(lpfc_sli_intf_rev
, &intf
) == LPFC_SLIREV_CONF_SLI4
))
7792 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
7794 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
7800 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7801 * @pdev: pointer to PCI device
7803 * This routine is to be registered to the kernel's PCI subsystem. When an
7804 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7805 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7806 * remove routine, which will perform all the necessary cleanup for the
7807 * device to be removed from the PCI subsystem properly.
7809 static void __devexit
7810 lpfc_pci_remove_one(struct pci_dev
*pdev
)
7812 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7813 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7815 switch (phba
->pci_dev_grp
) {
7816 case LPFC_PCI_DEV_LP
:
7817 lpfc_pci_remove_one_s3(pdev
);
7819 case LPFC_PCI_DEV_OC
:
7820 lpfc_pci_remove_one_s4(pdev
);
7823 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7824 "1424 Invalid PCI device group: 0x%x\n",
7832 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7833 * @pdev: pointer to PCI device
7834 * @msg: power management message
7836 * This routine is to be registered to the kernel's PCI subsystem to support
7837 * system Power Management (PM). When PM invokes this method, it dispatches
7838 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7839 * suspend the device.
7842 * 0 - driver suspended the device
7846 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
7848 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7849 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7852 switch (phba
->pci_dev_grp
) {
7853 case LPFC_PCI_DEV_LP
:
7854 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
7856 case LPFC_PCI_DEV_OC
:
7857 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
7860 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7861 "1425 Invalid PCI device group: 0x%x\n",
7869 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7870 * @pdev: pointer to PCI device
7872 * This routine is to be registered to the kernel's PCI subsystem to support
7873 * system Power Management (PM). When PM invokes this method, it dispatches
7874 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7875 * resume the device.
7878 * 0 - driver suspended the device
7882 lpfc_pci_resume_one(struct pci_dev
*pdev
)
7884 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7885 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7888 switch (phba
->pci_dev_grp
) {
7889 case LPFC_PCI_DEV_LP
:
7890 rc
= lpfc_pci_resume_one_s3(pdev
);
7892 case LPFC_PCI_DEV_OC
:
7893 rc
= lpfc_pci_resume_one_s4(pdev
);
7896 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7897 "1426 Invalid PCI device group: 0x%x\n",
7905 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7906 * @pdev: pointer to PCI device.
7907 * @state: the current PCI connection state.
7909 * This routine is registered to the PCI subsystem for error handling. This
7910 * function is called by the PCI subsystem after a PCI bus error affecting
7911 * this device has been detected. When this routine is invoked, it dispatches
7912 * the action to the proper SLI-3 or SLI-4 device error detected handling
7913 * routine, which will perform the proper error detected operation.
7916 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7917 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7919 static pci_ers_result_t
7920 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7922 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7923 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7924 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7926 switch (phba
->pci_dev_grp
) {
7927 case LPFC_PCI_DEV_LP
:
7928 rc
= lpfc_io_error_detected_s3(pdev
, state
);
7930 case LPFC_PCI_DEV_OC
:
7931 rc
= lpfc_io_error_detected_s4(pdev
, state
);
7934 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7935 "1427 Invalid PCI device group: 0x%x\n",
7943 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
7944 * @pdev: pointer to PCI device.
7946 * This routine is registered to the PCI subsystem for error handling. This
7947 * function is called after PCI bus has been reset to restart the PCI card
7948 * from scratch, as if from a cold-boot. When this routine is invoked, it
7949 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
7950 * routine, which will perform the proper device reset.
7953 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7954 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7956 static pci_ers_result_t
7957 lpfc_io_slot_reset(struct pci_dev
*pdev
)
7959 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7960 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7961 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7963 switch (phba
->pci_dev_grp
) {
7964 case LPFC_PCI_DEV_LP
:
7965 rc
= lpfc_io_slot_reset_s3(pdev
);
7967 case LPFC_PCI_DEV_OC
:
7968 rc
= lpfc_io_slot_reset_s4(pdev
);
7971 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7972 "1428 Invalid PCI device group: 0x%x\n",
7980 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
7981 * @pdev: pointer to PCI device
7983 * This routine is registered to the PCI subsystem for error handling. It
7984 * is called when kernel error recovery tells the lpfc driver that it is
7985 * OK to resume normal PCI operation after PCI bus error recovery. When
7986 * this routine is invoked, it dispatches the action to the proper SLI-3
7987 * or SLI-4 device io_resume routine, which will resume the device operation.
7990 lpfc_io_resume(struct pci_dev
*pdev
)
7992 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7993 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7995 switch (phba
->pci_dev_grp
) {
7996 case LPFC_PCI_DEV_LP
:
7997 lpfc_io_resume_s3(pdev
);
7999 case LPFC_PCI_DEV_OC
:
8000 lpfc_io_resume_s4(pdev
);
8003 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8004 "1429 Invalid PCI device group: 0x%x\n",
8011 static struct pci_device_id lpfc_id_table
[] = {
8012 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
8013 PCI_ANY_ID
, PCI_ANY_ID
, },
8014 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
8015 PCI_ANY_ID
, PCI_ANY_ID
, },
8016 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
8017 PCI_ANY_ID
, PCI_ANY_ID
, },
8018 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
8019 PCI_ANY_ID
, PCI_ANY_ID
, },
8020 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
8021 PCI_ANY_ID
, PCI_ANY_ID
, },
8022 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
8023 PCI_ANY_ID
, PCI_ANY_ID
, },
8024 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
8025 PCI_ANY_ID
, PCI_ANY_ID
, },
8026 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
8027 PCI_ANY_ID
, PCI_ANY_ID
, },
8028 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
8029 PCI_ANY_ID
, PCI_ANY_ID
, },
8030 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
8031 PCI_ANY_ID
, PCI_ANY_ID
, },
8032 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
8033 PCI_ANY_ID
, PCI_ANY_ID
, },
8034 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
8035 PCI_ANY_ID
, PCI_ANY_ID
, },
8036 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
8037 PCI_ANY_ID
, PCI_ANY_ID
, },
8038 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
8039 PCI_ANY_ID
, PCI_ANY_ID
, },
8040 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
8041 PCI_ANY_ID
, PCI_ANY_ID
, },
8042 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
8043 PCI_ANY_ID
, PCI_ANY_ID
, },
8044 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
8045 PCI_ANY_ID
, PCI_ANY_ID
, },
8046 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
8047 PCI_ANY_ID
, PCI_ANY_ID
, },
8048 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
8049 PCI_ANY_ID
, PCI_ANY_ID
, },
8050 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
8051 PCI_ANY_ID
, PCI_ANY_ID
, },
8052 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
8053 PCI_ANY_ID
, PCI_ANY_ID
, },
8054 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
8055 PCI_ANY_ID
, PCI_ANY_ID
, },
8056 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
8057 PCI_ANY_ID
, PCI_ANY_ID
, },
8058 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
8059 PCI_ANY_ID
, PCI_ANY_ID
, },
8060 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
8061 PCI_ANY_ID
, PCI_ANY_ID
, },
8062 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
8063 PCI_ANY_ID
, PCI_ANY_ID
, },
8064 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
8065 PCI_ANY_ID
, PCI_ANY_ID
, },
8066 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
8067 PCI_ANY_ID
, PCI_ANY_ID
, },
8068 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
8069 PCI_ANY_ID
, PCI_ANY_ID
, },
8070 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
8071 PCI_ANY_ID
, PCI_ANY_ID
, },
8072 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
8073 PCI_ANY_ID
, PCI_ANY_ID
, },
8074 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
8075 PCI_ANY_ID
, PCI_ANY_ID
, },
8076 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
8077 PCI_ANY_ID
, PCI_ANY_ID
, },
8078 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
8079 PCI_ANY_ID
, PCI_ANY_ID
, },
8080 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
8081 PCI_ANY_ID
, PCI_ANY_ID
, },
8082 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
8083 PCI_ANY_ID
, PCI_ANY_ID
, },
8084 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
8085 PCI_ANY_ID
, PCI_ANY_ID
, },
8086 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
8087 PCI_ANY_ID
, PCI_ANY_ID
, },
8088 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TS_BE3
,
8089 PCI_ANY_ID
, PCI_ANY_ID
, },
8093 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
8095 static struct pci_error_handlers lpfc_err_handler
= {
8096 .error_detected
= lpfc_io_error_detected
,
8097 .slot_reset
= lpfc_io_slot_reset
,
8098 .resume
= lpfc_io_resume
,
8101 static struct pci_driver lpfc_driver
= {
8102 .name
= LPFC_DRIVER_NAME
,
8103 .id_table
= lpfc_id_table
,
8104 .probe
= lpfc_pci_probe_one
,
8105 .remove
= __devexit_p(lpfc_pci_remove_one
),
8106 .suspend
= lpfc_pci_suspend_one
,
8107 .resume
= lpfc_pci_resume_one
,
8108 .err_handler
= &lpfc_err_handler
,
8112 * lpfc_init - lpfc module initialization routine
8114 * This routine is to be invoked when the lpfc module is loaded into the
8115 * kernel. The special kernel macro module_init() is used to indicate the
8116 * role of this routine to the kernel as lpfc module entry point.
8120 * -ENOMEM - FC attach transport failed
8121 * all others - failed
8128 printk(LPFC_MODULE_DESC
"\n");
8129 printk(LPFC_COPYRIGHT
"\n");
8131 if (lpfc_enable_npiv
) {
8132 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
8133 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
8135 lpfc_transport_template
=
8136 fc_attach_transport(&lpfc_transport_functions
);
8137 if (lpfc_transport_template
== NULL
)
8139 if (lpfc_enable_npiv
) {
8140 lpfc_vport_transport_template
=
8141 fc_attach_transport(&lpfc_vport_transport_functions
);
8142 if (lpfc_vport_transport_template
== NULL
) {
8143 fc_release_transport(lpfc_transport_template
);
8147 error
= pci_register_driver(&lpfc_driver
);
8149 fc_release_transport(lpfc_transport_template
);
8150 if (lpfc_enable_npiv
)
8151 fc_release_transport(lpfc_vport_transport_template
);
8158 * lpfc_exit - lpfc module removal routine
8160 * This routine is invoked when the lpfc module is removed from the kernel.
8161 * The special kernel macro module_exit() is used to indicate the role of
8162 * this routine to the kernel as lpfc module exit point.
8167 pci_unregister_driver(&lpfc_driver
);
8168 fc_release_transport(lpfc_transport_template
);
8169 if (lpfc_enable_npiv
)
8170 fc_release_transport(lpfc_vport_transport_template
);
8171 if (_dump_buf_data
) {
8172 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
8173 "_dump_buf_data at 0x%p\n",
8174 (1L << _dump_buf_data_order
), _dump_buf_data
);
8175 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
8178 if (_dump_buf_dif
) {
8179 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
8180 "_dump_buf_dif at 0x%p\n",
8181 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
8182 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
8186 module_init(lpfc_init
);
8187 module_exit(lpfc_exit
);
8188 MODULE_LICENSE("GPL");
8189 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
8190 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8191 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);