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 struct lpfc_vport
**vports
;
857 LPFC_MBOXQ_t
*pmboxq
;
858 struct lpfc_dmabuf
*buf_ptr
;
860 struct lpfc_sli
*psli
= &phba
->sli
;
861 LIST_HEAD(completions
);
863 vports
= lpfc_create_vport_work_array(phba
);
865 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
866 lpfc_rcv_seq_check_edtov(vports
[i
]);
867 lpfc_destroy_vport_work_array(phba
, vports
);
869 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
870 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
871 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
874 spin_lock_irq(&phba
->pport
->work_port_lock
);
876 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
878 spin_unlock_irq(&phba
->pport
->work_port_lock
);
879 if (!phba
->hb_outstanding
)
880 mod_timer(&phba
->hb_tmofunc
,
881 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
883 mod_timer(&phba
->hb_tmofunc
,
884 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
887 spin_unlock_irq(&phba
->pport
->work_port_lock
);
889 if (phba
->elsbuf_cnt
&&
890 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
891 spin_lock_irq(&phba
->hbalock
);
892 list_splice_init(&phba
->elsbuf
, &completions
);
893 phba
->elsbuf_cnt
= 0;
894 phba
->elsbuf_prev_cnt
= 0;
895 spin_unlock_irq(&phba
->hbalock
);
897 while (!list_empty(&completions
)) {
898 list_remove_head(&completions
, buf_ptr
,
899 struct lpfc_dmabuf
, list
);
900 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
904 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
906 /* If there is no heart beat outstanding, issue a heartbeat command */
907 if (phba
->cfg_enable_hba_heartbeat
) {
908 if (!phba
->hb_outstanding
) {
909 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
911 mod_timer(&phba
->hb_tmofunc
,
912 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
916 lpfc_heart_beat(phba
, pmboxq
);
917 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
918 pmboxq
->vport
= phba
->pport
;
919 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
921 if (retval
!= MBX_BUSY
&& retval
!= MBX_SUCCESS
) {
922 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
923 mod_timer(&phba
->hb_tmofunc
,
924 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
927 mod_timer(&phba
->hb_tmofunc
,
928 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
929 phba
->hb_outstanding
= 1;
933 * If heart beat timeout called with hb_outstanding set
934 * we need to take the HBA offline.
936 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
937 "0459 Adapter heartbeat failure, "
938 "taking this port offline.\n");
940 spin_lock_irq(&phba
->hbalock
);
941 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
942 spin_unlock_irq(&phba
->hbalock
);
944 lpfc_offline_prep(phba
);
946 lpfc_unblock_mgmt_io(phba
);
947 phba
->link_state
= LPFC_HBA_ERROR
;
948 lpfc_hba_down_post(phba
);
954 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
955 * @phba: pointer to lpfc hba data structure.
957 * This routine is called to bring the HBA offline when HBA hardware error
958 * other than Port Error 6 has been detected.
961 lpfc_offline_eratt(struct lpfc_hba
*phba
)
963 struct lpfc_sli
*psli
= &phba
->sli
;
965 spin_lock_irq(&phba
->hbalock
);
966 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
967 spin_unlock_irq(&phba
->hbalock
);
968 lpfc_offline_prep(phba
);
971 lpfc_reset_barrier(phba
);
972 spin_lock_irq(&phba
->hbalock
);
973 lpfc_sli_brdreset(phba
);
974 spin_unlock_irq(&phba
->hbalock
);
975 lpfc_hba_down_post(phba
);
976 lpfc_sli_brdready(phba
, HS_MBRDY
);
977 lpfc_unblock_mgmt_io(phba
);
978 phba
->link_state
= LPFC_HBA_ERROR
;
983 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
984 * @phba: pointer to lpfc hba data structure.
986 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
987 * other than Port Error 6 has been detected.
990 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
992 lpfc_offline_prep(phba
);
994 lpfc_sli4_brdreset(phba
);
995 lpfc_hba_down_post(phba
);
996 lpfc_sli4_post_status_check(phba
);
997 lpfc_unblock_mgmt_io(phba
);
998 phba
->link_state
= LPFC_HBA_ERROR
;
1002 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1003 * @phba: pointer to lpfc hba data structure.
1005 * This routine is invoked to handle the deferred HBA hardware error
1006 * conditions. This type of error is indicated by HBA by setting ER1
1007 * and another ER bit in the host status register. The driver will
1008 * wait until the ER1 bit clears before handling the error condition.
1011 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1013 uint32_t old_host_status
= phba
->work_hs
;
1014 struct lpfc_sli_ring
*pring
;
1015 struct lpfc_sli
*psli
= &phba
->sli
;
1017 /* If the pci channel is offline, ignore possible errors,
1018 * since we cannot communicate with the pci card anyway.
1020 if (pci_channel_offline(phba
->pcidev
)) {
1021 spin_lock_irq(&phba
->hbalock
);
1022 phba
->hba_flag
&= ~DEFER_ERATT
;
1023 spin_unlock_irq(&phba
->hbalock
);
1027 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1028 "0479 Deferred Adapter Hardware Error "
1029 "Data: x%x x%x x%x\n",
1031 phba
->work_status
[0], phba
->work_status
[1]);
1033 spin_lock_irq(&phba
->hbalock
);
1034 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1035 spin_unlock_irq(&phba
->hbalock
);
1039 * Firmware stops when it triggred erratt. That could cause the I/Os
1040 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1041 * SCSI layer retry it after re-establishing link.
1043 pring
= &psli
->ring
[psli
->fcp_ring
];
1044 lpfc_sli_abort_iocb_ring(phba
, pring
);
1047 * There was a firmware error. Take the hba offline and then
1048 * attempt to restart it.
1050 lpfc_offline_prep(phba
);
1053 /* Wait for the ER1 bit to clear.*/
1054 while (phba
->work_hs
& HS_FFER1
) {
1056 phba
->work_hs
= readl(phba
->HSregaddr
);
1057 /* If driver is unloading let the worker thread continue */
1058 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1065 * This is to ptrotect against a race condition in which
1066 * first write to the host attention register clear the
1067 * host status register.
1069 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1070 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1072 spin_lock_irq(&phba
->hbalock
);
1073 phba
->hba_flag
&= ~DEFER_ERATT
;
1074 spin_unlock_irq(&phba
->hbalock
);
1075 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1076 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1080 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1082 struct lpfc_board_event_header board_event
;
1083 struct Scsi_Host
*shost
;
1085 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1086 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1087 shost
= lpfc_shost_from_vport(phba
->pport
);
1088 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1089 sizeof(board_event
),
1090 (char *) &board_event
,
1095 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1096 * @phba: pointer to lpfc hba data structure.
1098 * This routine is invoked to handle the following HBA hardware error
1100 * 1 - HBA error attention interrupt
1101 * 2 - DMA ring index out of range
1102 * 3 - Mailbox command came back as unknown
1105 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1107 struct lpfc_vport
*vport
= phba
->pport
;
1108 struct lpfc_sli
*psli
= &phba
->sli
;
1109 struct lpfc_sli_ring
*pring
;
1110 uint32_t event_data
;
1111 unsigned long temperature
;
1112 struct temp_event temp_event_data
;
1113 struct Scsi_Host
*shost
;
1115 /* If the pci channel is offline, ignore possible errors,
1116 * since we cannot communicate with the pci card anyway.
1118 if (pci_channel_offline(phba
->pcidev
)) {
1119 spin_lock_irq(&phba
->hbalock
);
1120 phba
->hba_flag
&= ~DEFER_ERATT
;
1121 spin_unlock_irq(&phba
->hbalock
);
1125 /* If resets are disabled then leave the HBA alone and return */
1126 if (!phba
->cfg_enable_hba_reset
)
1129 /* Send an internal error event to mgmt application */
1130 lpfc_board_errevt_to_mgmt(phba
);
1132 if (phba
->hba_flag
& DEFER_ERATT
)
1133 lpfc_handle_deferred_eratt(phba
);
1135 if (phba
->work_hs
& HS_FFER6
) {
1136 /* Re-establishing Link */
1137 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1138 "1301 Re-establishing Link "
1139 "Data: x%x x%x x%x\n",
1141 phba
->work_status
[0], phba
->work_status
[1]);
1143 spin_lock_irq(&phba
->hbalock
);
1144 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1145 spin_unlock_irq(&phba
->hbalock
);
1148 * Firmware stops when it triggled erratt with HS_FFER6.
1149 * That could cause the I/Os dropped by the firmware.
1150 * Error iocb (I/O) on txcmplq and let the SCSI layer
1151 * retry it after re-establishing link.
1153 pring
= &psli
->ring
[psli
->fcp_ring
];
1154 lpfc_sli_abort_iocb_ring(phba
, pring
);
1157 * There was a firmware error. Take the hba offline and then
1158 * attempt to restart it.
1160 lpfc_offline_prep(phba
);
1162 lpfc_sli_brdrestart(phba
);
1163 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1164 lpfc_unblock_mgmt_io(phba
);
1167 lpfc_unblock_mgmt_io(phba
);
1168 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1169 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1170 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1171 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1172 temp_event_data
.data
= (uint32_t)temperature
;
1174 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1175 "0406 Adapter maximum temperature exceeded "
1176 "(%ld), taking this port offline "
1177 "Data: x%x x%x x%x\n",
1178 temperature
, phba
->work_hs
,
1179 phba
->work_status
[0], phba
->work_status
[1]);
1181 shost
= lpfc_shost_from_vport(phba
->pport
);
1182 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1183 sizeof(temp_event_data
),
1184 (char *) &temp_event_data
,
1185 SCSI_NL_VID_TYPE_PCI
1186 | PCI_VENDOR_ID_EMULEX
);
1188 spin_lock_irq(&phba
->hbalock
);
1189 phba
->over_temp_state
= HBA_OVER_TEMP
;
1190 spin_unlock_irq(&phba
->hbalock
);
1191 lpfc_offline_eratt(phba
);
1194 /* The if clause above forces this code path when the status
1195 * failure is a value other than FFER6. Do not call the offline
1196 * twice. This is the adapter hardware error path.
1198 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1199 "0457 Adapter Hardware Error "
1200 "Data: x%x x%x x%x\n",
1202 phba
->work_status
[0], phba
->work_status
[1]);
1204 event_data
= FC_REG_DUMP_EVENT
;
1205 shost
= lpfc_shost_from_vport(vport
);
1206 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1207 sizeof(event_data
), (char *) &event_data
,
1208 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1210 lpfc_offline_eratt(phba
);
1216 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1217 * @phba: pointer to lpfc hba data structure.
1219 * This routine is invoked to handle the SLI4 HBA hardware error attention
1223 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1225 struct lpfc_vport
*vport
= phba
->pport
;
1226 uint32_t event_data
;
1227 struct Scsi_Host
*shost
;
1229 /* If the pci channel is offline, ignore possible errors, since
1230 * we cannot communicate with the pci card anyway.
1232 if (pci_channel_offline(phba
->pcidev
))
1234 /* If resets are disabled then leave the HBA alone and return */
1235 if (!phba
->cfg_enable_hba_reset
)
1238 /* Send an internal error event to mgmt application */
1239 lpfc_board_errevt_to_mgmt(phba
);
1241 /* For now, the actual action for SLI4 device handling is not
1242 * specified yet, just treated it as adaptor hardware failure
1244 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1245 "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
1246 phba
->work_status
[0], phba
->work_status
[1]);
1248 event_data
= FC_REG_DUMP_EVENT
;
1249 shost
= lpfc_shost_from_vport(vport
);
1250 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1251 sizeof(event_data
), (char *) &event_data
,
1252 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1254 lpfc_sli4_offline_eratt(phba
);
1258 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1259 * @phba: pointer to lpfc HBA data structure.
1261 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1262 * routine from the API jump table function pointer from the lpfc_hba struct.
1266 * Any other value - error.
1269 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1271 (*phba
->lpfc_handle_eratt
)(phba
);
1275 * lpfc_handle_latt - The HBA link event handler
1276 * @phba: pointer to lpfc hba data structure.
1278 * This routine is invoked from the worker thread to handle a HBA host
1279 * attention link event.
1282 lpfc_handle_latt(struct lpfc_hba
*phba
)
1284 struct lpfc_vport
*vport
= phba
->pport
;
1285 struct lpfc_sli
*psli
= &phba
->sli
;
1287 volatile uint32_t control
;
1288 struct lpfc_dmabuf
*mp
;
1291 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1294 goto lpfc_handle_latt_err_exit
;
1297 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1300 goto lpfc_handle_latt_free_pmb
;
1303 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1306 goto lpfc_handle_latt_free_mp
;
1309 /* Cleanup any outstanding ELS commands */
1310 lpfc_els_flush_all_cmd(phba
);
1312 psli
->slistat
.link_event
++;
1313 lpfc_read_la(phba
, pmb
, mp
);
1314 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
1316 /* Block ELS IOCBs until we have processed this mbox command */
1317 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1318 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1319 if (rc
== MBX_NOT_FINISHED
) {
1321 goto lpfc_handle_latt_free_mbuf
;
1324 /* Clear Link Attention in HA REG */
1325 spin_lock_irq(&phba
->hbalock
);
1326 writel(HA_LATT
, phba
->HAregaddr
);
1327 readl(phba
->HAregaddr
); /* flush */
1328 spin_unlock_irq(&phba
->hbalock
);
1332 lpfc_handle_latt_free_mbuf
:
1333 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1334 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1335 lpfc_handle_latt_free_mp
:
1337 lpfc_handle_latt_free_pmb
:
1338 mempool_free(pmb
, phba
->mbox_mem_pool
);
1339 lpfc_handle_latt_err_exit
:
1340 /* Enable Link attention interrupts */
1341 spin_lock_irq(&phba
->hbalock
);
1342 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1343 control
= readl(phba
->HCregaddr
);
1344 control
|= HC_LAINT_ENA
;
1345 writel(control
, phba
->HCregaddr
);
1346 readl(phba
->HCregaddr
); /* flush */
1348 /* Clear Link Attention in HA REG */
1349 writel(HA_LATT
, phba
->HAregaddr
);
1350 readl(phba
->HAregaddr
); /* flush */
1351 spin_unlock_irq(&phba
->hbalock
);
1352 lpfc_linkdown(phba
);
1353 phba
->link_state
= LPFC_HBA_ERROR
;
1355 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1356 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1362 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1363 * @phba: pointer to lpfc hba data structure.
1364 * @vpd: pointer to the vital product data.
1365 * @len: length of the vital product data in bytes.
1367 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1368 * an array of characters. In this routine, the ModelName, ProgramType, and
1369 * ModelDesc, etc. fields of the phba data structure will be populated.
1372 * 0 - pointer to the VPD passed in is NULL
1376 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1378 uint8_t lenlo
, lenhi
;
1388 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1389 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1390 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1392 while (!finished
&& (index
< (len
- 4))) {
1393 switch (vpd
[index
]) {
1401 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1410 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1411 if (Length
> len
- index
)
1412 Length
= len
- index
;
1413 while (Length
> 0) {
1414 /* Look for Serial Number */
1415 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1422 phba
->SerialNumber
[j
++] = vpd
[index
++];
1426 phba
->SerialNumber
[j
] = 0;
1429 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1430 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1437 phba
->ModelDesc
[j
++] = vpd
[index
++];
1441 phba
->ModelDesc
[j
] = 0;
1444 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1445 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1452 phba
->ModelName
[j
++] = vpd
[index
++];
1456 phba
->ModelName
[j
] = 0;
1459 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1460 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1467 phba
->ProgramType
[j
++] = vpd
[index
++];
1471 phba
->ProgramType
[j
] = 0;
1474 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1475 phba
->vpd_flag
|= VPD_PORT
;
1482 phba
->Port
[j
++] = vpd
[index
++];
1512 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1513 * @phba: pointer to lpfc hba data structure.
1514 * @mdp: pointer to the data structure to hold the derived model name.
1515 * @descp: pointer to the data structure to hold the derived description.
1517 * This routine retrieves HBA's description based on its registered PCI device
1518 * ID. The @descp passed into this function points to an array of 256 chars. It
1519 * shall be returned with the model name, maximum speed, and the host bus type.
1520 * The @mdp passed into this function points to an array of 80 chars. When the
1521 * function returns, the @mdp will be filled with the model name.
1524 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1527 uint16_t dev_id
= phba
->pcidev
->device
;
1530 int oneConnect
= 0; /* default is not a oneConnect */
1535 } m
= {"<Unknown>", "", ""};
1537 if (mdp
&& mdp
[0] != '\0'
1538 && descp
&& descp
[0] != '\0')
1541 if (phba
->lmt
& LMT_10Gb
)
1543 else if (phba
->lmt
& LMT_8Gb
)
1545 else if (phba
->lmt
& LMT_4Gb
)
1547 else if (phba
->lmt
& LMT_2Gb
)
1555 case PCI_DEVICE_ID_FIREFLY
:
1556 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1558 case PCI_DEVICE_ID_SUPERFLY
:
1559 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1560 m
= (typeof(m
)){"LP7000", "PCI",
1561 "Fibre Channel Adapter"};
1563 m
= (typeof(m
)){"LP7000E", "PCI",
1564 "Fibre Channel Adapter"};
1566 case PCI_DEVICE_ID_DRAGONFLY
:
1567 m
= (typeof(m
)){"LP8000", "PCI",
1568 "Fibre Channel Adapter"};
1570 case PCI_DEVICE_ID_CENTAUR
:
1571 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1572 m
= (typeof(m
)){"LP9002", "PCI",
1573 "Fibre Channel Adapter"};
1575 m
= (typeof(m
)){"LP9000", "PCI",
1576 "Fibre Channel Adapter"};
1578 case PCI_DEVICE_ID_RFLY
:
1579 m
= (typeof(m
)){"LP952", "PCI",
1580 "Fibre Channel Adapter"};
1582 case PCI_DEVICE_ID_PEGASUS
:
1583 m
= (typeof(m
)){"LP9802", "PCI-X",
1584 "Fibre Channel Adapter"};
1586 case PCI_DEVICE_ID_THOR
:
1587 m
= (typeof(m
)){"LP10000", "PCI-X",
1588 "Fibre Channel Adapter"};
1590 case PCI_DEVICE_ID_VIPER
:
1591 m
= (typeof(m
)){"LPX1000", "PCI-X",
1592 "Fibre Channel Adapter"};
1594 case PCI_DEVICE_ID_PFLY
:
1595 m
= (typeof(m
)){"LP982", "PCI-X",
1596 "Fibre Channel Adapter"};
1598 case PCI_DEVICE_ID_TFLY
:
1599 m
= (typeof(m
)){"LP1050", "PCI-X",
1600 "Fibre Channel Adapter"};
1602 case PCI_DEVICE_ID_HELIOS
:
1603 m
= (typeof(m
)){"LP11000", "PCI-X2",
1604 "Fibre Channel Adapter"};
1606 case PCI_DEVICE_ID_HELIOS_SCSP
:
1607 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1608 "Fibre Channel Adapter"};
1610 case PCI_DEVICE_ID_HELIOS_DCSP
:
1611 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1612 "Fibre Channel Adapter"};
1614 case PCI_DEVICE_ID_NEPTUNE
:
1615 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1617 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1618 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1620 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1621 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1623 case PCI_DEVICE_ID_BMID
:
1624 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1626 case PCI_DEVICE_ID_BSMB
:
1627 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1629 case PCI_DEVICE_ID_ZEPHYR
:
1630 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1632 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1633 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1635 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1636 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1639 case PCI_DEVICE_ID_ZMID
:
1640 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1642 case PCI_DEVICE_ID_ZSMB
:
1643 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1645 case PCI_DEVICE_ID_LP101
:
1646 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1648 case PCI_DEVICE_ID_LP10000S
:
1649 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1651 case PCI_DEVICE_ID_LP11000S
:
1652 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
1654 case PCI_DEVICE_ID_LPE11000S
:
1655 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
1657 case PCI_DEVICE_ID_SAT
:
1658 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
1660 case PCI_DEVICE_ID_SAT_MID
:
1661 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
1663 case PCI_DEVICE_ID_SAT_SMB
:
1664 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
1666 case PCI_DEVICE_ID_SAT_DCSP
:
1667 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
1669 case PCI_DEVICE_ID_SAT_SCSP
:
1670 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
1672 case PCI_DEVICE_ID_SAT_S
:
1673 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
1675 case PCI_DEVICE_ID_HORNET
:
1676 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
1679 case PCI_DEVICE_ID_PROTEUS_VF
:
1680 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1681 "Fibre Channel Adapter"};
1683 case PCI_DEVICE_ID_PROTEUS_PF
:
1684 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1685 "Fibre Channel Adapter"};
1687 case PCI_DEVICE_ID_PROTEUS_S
:
1688 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
1689 "Fibre Channel Adapter"};
1691 case PCI_DEVICE_ID_TIGERSHARK
:
1693 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
1695 case PCI_DEVICE_ID_TOMCAT
:
1697 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
1699 case PCI_DEVICE_ID_FALCON
:
1700 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
1701 "EmulexSecure Fibre"};
1704 m
= (typeof(m
)){"Unknown", "", ""};
1708 if (mdp
&& mdp
[0] == '\0')
1709 snprintf(mdp
, 79,"%s", m
.name
);
1710 /* oneConnect hba requires special processing, they are all initiators
1711 * and we put the port number on the end
1713 if (descp
&& descp
[0] == '\0') {
1715 snprintf(descp
, 255,
1716 "Emulex OneConnect %s, %s Initiator, Port %s",
1720 snprintf(descp
, 255,
1721 "Emulex %s %d%s %s %s",
1722 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
1728 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1729 * @phba: pointer to lpfc hba data structure.
1730 * @pring: pointer to a IOCB ring.
1731 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1733 * This routine posts a given number of IOCBs with the associated DMA buffer
1734 * descriptors specified by the cnt argument to the given IOCB ring.
1737 * The number of IOCBs NOT able to be posted to the IOCB ring.
1740 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
1743 struct lpfc_iocbq
*iocb
;
1744 struct lpfc_dmabuf
*mp1
, *mp2
;
1746 cnt
+= pring
->missbufcnt
;
1748 /* While there are buffers to post */
1750 /* Allocate buffer for command iocb */
1751 iocb
= lpfc_sli_get_iocbq(phba
);
1753 pring
->missbufcnt
= cnt
;
1758 /* 2 buffers can be posted per command */
1759 /* Allocate buffer to post */
1760 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1762 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1763 if (!mp1
|| !mp1
->virt
) {
1765 lpfc_sli_release_iocbq(phba
, iocb
);
1766 pring
->missbufcnt
= cnt
;
1770 INIT_LIST_HEAD(&mp1
->list
);
1771 /* Allocate buffer to post */
1773 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1775 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1777 if (!mp2
|| !mp2
->virt
) {
1779 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1781 lpfc_sli_release_iocbq(phba
, iocb
);
1782 pring
->missbufcnt
= cnt
;
1786 INIT_LIST_HEAD(&mp2
->list
);
1791 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1792 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1793 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1794 icmd
->ulpBdeCount
= 1;
1797 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1798 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1799 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1801 icmd
->ulpBdeCount
= 2;
1804 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1807 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
1809 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1813 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1817 lpfc_sli_release_iocbq(phba
, iocb
);
1818 pring
->missbufcnt
= cnt
;
1821 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1823 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1825 pring
->missbufcnt
= 0;
1830 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1831 * @phba: pointer to lpfc hba data structure.
1833 * This routine posts initial receive IOCB buffers to the ELS ring. The
1834 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1838 * 0 - success (currently always success)
1841 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1843 struct lpfc_sli
*psli
= &phba
->sli
;
1845 /* Ring 0, ELS / CT buffers */
1846 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
1847 /* Ring 2 - FCP no buffers needed */
1852 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1855 * lpfc_sha_init - Set up initial array of hash table entries
1856 * @HashResultPointer: pointer to an array as hash table.
1858 * This routine sets up the initial values to the array of hash table entries
1862 lpfc_sha_init(uint32_t * HashResultPointer
)
1864 HashResultPointer
[0] = 0x67452301;
1865 HashResultPointer
[1] = 0xEFCDAB89;
1866 HashResultPointer
[2] = 0x98BADCFE;
1867 HashResultPointer
[3] = 0x10325476;
1868 HashResultPointer
[4] = 0xC3D2E1F0;
1872 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1873 * @HashResultPointer: pointer to an initial/result hash table.
1874 * @HashWorkingPointer: pointer to an working hash table.
1876 * This routine iterates an initial hash table pointed by @HashResultPointer
1877 * with the values from the working hash table pointeed by @HashWorkingPointer.
1878 * The results are putting back to the initial hash table, returned through
1879 * the @HashResultPointer as the result hash table.
1882 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1886 uint32_t A
, B
, C
, D
, E
;
1889 HashWorkingPointer
[t
] =
1891 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1893 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1894 } while (++t
<= 79);
1896 A
= HashResultPointer
[0];
1897 B
= HashResultPointer
[1];
1898 C
= HashResultPointer
[2];
1899 D
= HashResultPointer
[3];
1900 E
= HashResultPointer
[4];
1904 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1905 } else if (t
< 40) {
1906 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1907 } else if (t
< 60) {
1908 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1910 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1912 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1918 } while (++t
<= 79);
1920 HashResultPointer
[0] += A
;
1921 HashResultPointer
[1] += B
;
1922 HashResultPointer
[2] += C
;
1923 HashResultPointer
[3] += D
;
1924 HashResultPointer
[4] += E
;
1929 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1930 * @RandomChallenge: pointer to the entry of host challenge random number array.
1931 * @HashWorking: pointer to the entry of the working hash array.
1933 * This routine calculates the working hash array referred by @HashWorking
1934 * from the challenge random numbers associated with the host, referred by
1935 * @RandomChallenge. The result is put into the entry of the working hash
1936 * array and returned by reference through @HashWorking.
1939 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1941 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1945 * lpfc_hba_init - Perform special handling for LC HBA initialization
1946 * @phba: pointer to lpfc hba data structure.
1947 * @hbainit: pointer to an array of unsigned 32-bit integers.
1949 * This routine performs the special handling for LC HBA initialization.
1952 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1955 uint32_t *HashWorking
;
1956 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1958 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1962 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1963 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1965 for (t
= 0; t
< 7; t
++)
1966 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1968 lpfc_sha_init(hbainit
);
1969 lpfc_sha_iterate(hbainit
, HashWorking
);
1974 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1975 * @vport: pointer to a virtual N_Port data structure.
1977 * This routine performs the necessary cleanups before deleting the @vport.
1978 * It invokes the discovery state machine to perform necessary state
1979 * transitions and to release the ndlps associated with the @vport. Note,
1980 * the physical port is treated as @vport 0.
1983 lpfc_cleanup(struct lpfc_vport
*vport
)
1985 struct lpfc_hba
*phba
= vport
->phba
;
1986 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1989 if (phba
->link_state
> LPFC_LINK_DOWN
)
1990 lpfc_port_link_failure(vport
);
1992 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1993 if (!NLP_CHK_NODE_ACT(ndlp
)) {
1994 ndlp
= lpfc_enable_node(vport
, ndlp
,
1995 NLP_STE_UNUSED_NODE
);
1998 spin_lock_irq(&phba
->ndlp_lock
);
1999 NLP_SET_FREE_REQ(ndlp
);
2000 spin_unlock_irq(&phba
->ndlp_lock
);
2001 /* Trigger the release of the ndlp memory */
2005 spin_lock_irq(&phba
->ndlp_lock
);
2006 if (NLP_CHK_FREE_REQ(ndlp
)) {
2007 /* The ndlp should not be in memory free mode already */
2008 spin_unlock_irq(&phba
->ndlp_lock
);
2011 /* Indicate request for freeing ndlp memory */
2012 NLP_SET_FREE_REQ(ndlp
);
2013 spin_unlock_irq(&phba
->ndlp_lock
);
2015 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2016 ndlp
->nlp_DID
== Fabric_DID
) {
2017 /* Just free up ndlp with Fabric_DID for vports */
2022 if (ndlp
->nlp_type
& NLP_FABRIC
)
2023 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2024 NLP_EVT_DEVICE_RECOVERY
);
2026 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2031 /* At this point, ALL ndlp's should be gone
2032 * because of the previous NLP_EVT_DEVICE_RM.
2033 * Lets wait for this to happen, if needed.
2035 while (!list_empty(&vport
->fc_nodes
)) {
2037 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2038 "0233 Nodelist not empty\n");
2039 list_for_each_entry_safe(ndlp
, next_ndlp
,
2040 &vport
->fc_nodes
, nlp_listp
) {
2041 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2043 "0282 did:x%x ndlp:x%p "
2044 "usgmap:x%x refcnt:%d\n",
2045 ndlp
->nlp_DID
, (void *)ndlp
,
2048 &ndlp
->kref
.refcount
));
2053 /* Wait for any activity on ndlps to settle */
2059 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2060 * @vport: pointer to a virtual N_Port data structure.
2062 * This routine stops all the timers associated with a @vport. This function
2063 * is invoked before disabling or deleting a @vport. Note that the physical
2064 * port is treated as @vport 0.
2067 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2069 del_timer_sync(&vport
->els_tmofunc
);
2070 del_timer_sync(&vport
->fc_fdmitmo
);
2071 lpfc_can_disctmo(vport
);
2076 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2077 * @phba: pointer to lpfc hba data structure.
2079 * This routine stops all the timers associated with a HBA. This function is
2080 * invoked before either putting a HBA offline or unloading the driver.
2083 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2085 lpfc_stop_vport_timers(phba
->pport
);
2086 del_timer_sync(&phba
->sli
.mbox_tmo
);
2087 del_timer_sync(&phba
->fabric_block_timer
);
2088 del_timer_sync(&phba
->eratt_poll
);
2089 del_timer_sync(&phba
->hb_tmofunc
);
2090 phba
->hb_outstanding
= 0;
2092 switch (phba
->pci_dev_grp
) {
2093 case LPFC_PCI_DEV_LP
:
2094 /* Stop any LightPulse device specific driver timers */
2095 del_timer_sync(&phba
->fcp_poll_timer
);
2097 case LPFC_PCI_DEV_OC
:
2098 /* Stop any OneConnect device sepcific driver timers */
2101 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2102 "0297 Invalid device group (x%x)\n",
2110 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2111 * @phba: pointer to lpfc hba data structure.
2113 * This routine marks a HBA's management interface as blocked. Once the HBA's
2114 * management interface is marked as blocked, all the user space access to
2115 * the HBA, whether they are from sysfs interface or libdfc interface will
2116 * all be blocked. The HBA is set to block the management interface when the
2117 * driver prepares the HBA interface for online or offline.
2120 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2122 unsigned long iflag
;
2124 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2125 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2126 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2130 * lpfc_online - Initialize and bring a HBA online
2131 * @phba: pointer to lpfc hba data structure.
2133 * This routine initializes the HBA and brings a HBA online. During this
2134 * process, the management interface is blocked to prevent user space access
2135 * to the HBA interfering with the driver initialization.
2142 lpfc_online(struct lpfc_hba
*phba
)
2144 struct lpfc_vport
*vport
;
2145 struct lpfc_vport
**vports
;
2150 vport
= phba
->pport
;
2152 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2155 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2156 "0458 Bring Adapter online\n");
2158 lpfc_block_mgmt_io(phba
);
2160 if (!lpfc_sli_queue_setup(phba
)) {
2161 lpfc_unblock_mgmt_io(phba
);
2165 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2166 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2167 lpfc_unblock_mgmt_io(phba
);
2171 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2172 lpfc_unblock_mgmt_io(phba
);
2177 vports
= lpfc_create_vport_work_array(phba
);
2179 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2180 struct Scsi_Host
*shost
;
2181 shost
= lpfc_shost_from_vport(vports
[i
]);
2182 spin_lock_irq(shost
->host_lock
);
2183 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2184 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2185 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2186 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2187 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2188 spin_unlock_irq(shost
->host_lock
);
2190 lpfc_destroy_vport_work_array(phba
, vports
);
2192 lpfc_unblock_mgmt_io(phba
);
2197 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2198 * @phba: pointer to lpfc hba data structure.
2200 * This routine marks a HBA's management interface as not blocked. Once the
2201 * HBA's management interface is marked as not blocked, all the user space
2202 * access to the HBA, whether they are from sysfs interface or libdfc
2203 * interface will be allowed. The HBA is set to block the management interface
2204 * when the driver prepares the HBA interface for online or offline and then
2205 * set to unblock the management interface afterwards.
2208 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2210 unsigned long iflag
;
2212 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2213 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2214 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2218 * lpfc_offline_prep - Prepare a HBA to be brought offline
2219 * @phba: pointer to lpfc hba data structure.
2221 * This routine is invoked to prepare a HBA to be brought offline. It performs
2222 * unregistration login to all the nodes on all vports and flushes the mailbox
2223 * queue to make it ready to be brought offline.
2226 lpfc_offline_prep(struct lpfc_hba
* phba
)
2228 struct lpfc_vport
*vport
= phba
->pport
;
2229 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2230 struct lpfc_vport
**vports
;
2233 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2236 lpfc_block_mgmt_io(phba
);
2238 lpfc_linkdown(phba
);
2240 /* Issue an unreg_login to all nodes on all vports */
2241 vports
= lpfc_create_vport_work_array(phba
);
2242 if (vports
!= NULL
) {
2243 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2244 struct Scsi_Host
*shost
;
2246 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2248 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2249 shost
= lpfc_shost_from_vport(vports
[i
]);
2250 list_for_each_entry_safe(ndlp
, next_ndlp
,
2251 &vports
[i
]->fc_nodes
,
2253 if (!NLP_CHK_NODE_ACT(ndlp
))
2255 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2257 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2258 lpfc_disc_state_machine(vports
[i
], ndlp
,
2259 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2260 lpfc_disc_state_machine(vports
[i
], ndlp
,
2261 NULL
, NLP_EVT_DEVICE_RM
);
2263 spin_lock_irq(shost
->host_lock
);
2264 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2265 spin_unlock_irq(shost
->host_lock
);
2266 lpfc_unreg_rpi(vports
[i
], ndlp
);
2270 lpfc_destroy_vport_work_array(phba
, vports
);
2272 lpfc_sli_mbox_sys_shutdown(phba
);
2276 * lpfc_offline - Bring a HBA offline
2277 * @phba: pointer to lpfc hba data structure.
2279 * This routine actually brings a HBA offline. It stops all the timers
2280 * associated with the HBA, brings down the SLI layer, and eventually
2281 * marks the HBA as in offline state for the upper layer protocol.
2284 lpfc_offline(struct lpfc_hba
*phba
)
2286 struct Scsi_Host
*shost
;
2287 struct lpfc_vport
**vports
;
2290 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2293 /* stop port and all timers associated with this hba */
2294 lpfc_stop_port(phba
);
2295 vports
= lpfc_create_vport_work_array(phba
);
2297 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2298 lpfc_stop_vport_timers(vports
[i
]);
2299 lpfc_destroy_vport_work_array(phba
, vports
);
2300 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2301 "0460 Bring Adapter offline\n");
2302 /* Bring down the SLI Layer and cleanup. The HBA is offline
2304 lpfc_sli_hba_down(phba
);
2305 spin_lock_irq(&phba
->hbalock
);
2307 spin_unlock_irq(&phba
->hbalock
);
2308 vports
= lpfc_create_vport_work_array(phba
);
2310 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2311 shost
= lpfc_shost_from_vport(vports
[i
]);
2312 spin_lock_irq(shost
->host_lock
);
2313 vports
[i
]->work_port_events
= 0;
2314 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2315 spin_unlock_irq(shost
->host_lock
);
2317 lpfc_destroy_vport_work_array(phba
, vports
);
2321 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2322 * @phba: pointer to lpfc hba data structure.
2324 * This routine is to free all the SCSI buffers and IOCBs from the driver
2325 * list back to kernel. It is called from lpfc_pci_remove_one to free
2326 * the internal resources before the device is removed from the system.
2329 * 0 - successful (for now, it always returns 0)
2332 lpfc_scsi_free(struct lpfc_hba
*phba
)
2334 struct lpfc_scsi_buf
*sb
, *sb_next
;
2335 struct lpfc_iocbq
*io
, *io_next
;
2337 spin_lock_irq(&phba
->hbalock
);
2338 /* Release all the lpfc_scsi_bufs maintained by this host. */
2339 spin_lock(&phba
->scsi_buf_list_lock
);
2340 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2341 list_del(&sb
->list
);
2342 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2345 phba
->total_scsi_bufs
--;
2347 spin_unlock(&phba
->scsi_buf_list_lock
);
2349 /* Release all the lpfc_iocbq entries maintained by this host. */
2350 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2351 list_del(&io
->list
);
2353 phba
->total_iocbq_bufs
--;
2355 spin_unlock_irq(&phba
->hbalock
);
2360 * lpfc_create_port - Create an FC port
2361 * @phba: pointer to lpfc hba data structure.
2362 * @instance: a unique integer ID to this FC port.
2363 * @dev: pointer to the device data structure.
2365 * This routine creates a FC port for the upper layer protocol. The FC port
2366 * can be created on top of either a physical port or a virtual port provided
2367 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2368 * and associates the FC port created before adding the shost into the SCSI
2372 * @vport - pointer to the virtual N_Port data structure.
2373 * NULL - port create failed.
2376 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2378 struct lpfc_vport
*vport
;
2379 struct Scsi_Host
*shost
;
2382 if (dev
!= &phba
->pcidev
->dev
)
2383 shost
= scsi_host_alloc(&lpfc_vport_template
,
2384 sizeof(struct lpfc_vport
));
2386 shost
= scsi_host_alloc(&lpfc_template
,
2387 sizeof(struct lpfc_vport
));
2391 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2393 vport
->load_flag
|= FC_LOADING
;
2394 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2395 vport
->fc_rscn_flush
= 0;
2397 lpfc_get_vport_cfgparam(vport
);
2398 shost
->unique_id
= instance
;
2399 shost
->max_id
= LPFC_MAX_TARGET
;
2400 shost
->max_lun
= vport
->cfg_max_luns
;
2401 shost
->this_id
= -1;
2402 shost
->max_cmd_len
= 16;
2403 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2404 shost
->dma_boundary
= LPFC_SLI4_MAX_SEGMENT_SIZE
;
2405 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2409 * Set initial can_queue value since 0 is no longer supported and
2410 * scsi_add_host will fail. This will be adjusted later based on the
2411 * max xri value determined in hba setup.
2413 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2414 if (dev
!= &phba
->pcidev
->dev
) {
2415 shost
->transportt
= lpfc_vport_transport_template
;
2416 vport
->port_type
= LPFC_NPIV_PORT
;
2418 shost
->transportt
= lpfc_transport_template
;
2419 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2422 /* Initialize all internally managed lists. */
2423 INIT_LIST_HEAD(&vport
->fc_nodes
);
2424 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2425 spin_lock_init(&vport
->work_port_lock
);
2427 init_timer(&vport
->fc_disctmo
);
2428 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2429 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2431 init_timer(&vport
->fc_fdmitmo
);
2432 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2433 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2435 init_timer(&vport
->els_tmofunc
);
2436 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2437 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2439 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2443 spin_lock_irq(&phba
->hbalock
);
2444 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2445 spin_unlock_irq(&phba
->hbalock
);
2449 scsi_host_put(shost
);
2455 * destroy_port - destroy an FC port
2456 * @vport: pointer to an lpfc virtual N_Port data structure.
2458 * This routine destroys a FC port from the upper layer protocol. All the
2459 * resources associated with the port are released.
2462 destroy_port(struct lpfc_vport
*vport
)
2464 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2465 struct lpfc_hba
*phba
= vport
->phba
;
2467 lpfc_debugfs_terminate(vport
);
2468 fc_remove_host(shost
);
2469 scsi_remove_host(shost
);
2471 spin_lock_irq(&phba
->hbalock
);
2472 list_del_init(&vport
->listentry
);
2473 spin_unlock_irq(&phba
->hbalock
);
2475 lpfc_cleanup(vport
);
2480 * lpfc_get_instance - Get a unique integer ID
2482 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2483 * uses the kernel idr facility to perform the task.
2486 * instance - a unique integer ID allocated as the new instance.
2487 * -1 - lpfc get instance failed.
2490 lpfc_get_instance(void)
2494 /* Assign an unused number */
2495 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2497 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2503 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2504 * @shost: pointer to SCSI host data structure.
2505 * @time: elapsed time of the scan in jiffies.
2507 * This routine is called by the SCSI layer with a SCSI host to determine
2508 * whether the scan host is finished.
2510 * Note: there is no scan_start function as adapter initialization will have
2511 * asynchronously kicked off the link initialization.
2514 * 0 - SCSI host scan is not over yet.
2515 * 1 - SCSI host scan is over.
2517 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2519 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2520 struct lpfc_hba
*phba
= vport
->phba
;
2523 spin_lock_irq(shost
->host_lock
);
2525 if (vport
->load_flag
& FC_UNLOADING
) {
2529 if (time
>= 30 * HZ
) {
2530 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2531 "0461 Scanning longer than 30 "
2532 "seconds. Continuing initialization\n");
2536 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2537 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2538 "0465 Link down longer than 15 "
2539 "seconds. Continuing initialization\n");
2544 if (vport
->port_state
!= LPFC_VPORT_READY
)
2546 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2548 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2550 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2556 spin_unlock_irq(shost
->host_lock
);
2561 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2562 * @shost: pointer to SCSI host data structure.
2564 * This routine initializes a given SCSI host attributes on a FC port. The
2565 * SCSI host can be either on top of a physical port or a virtual port.
2567 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2569 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2570 struct lpfc_hba
*phba
= vport
->phba
;
2572 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2575 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2576 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2577 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2579 memset(fc_host_supported_fc4s(shost
), 0,
2580 sizeof(fc_host_supported_fc4s(shost
)));
2581 fc_host_supported_fc4s(shost
)[2] = 1;
2582 fc_host_supported_fc4s(shost
)[7] = 1;
2584 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2585 sizeof fc_host_symbolic_name(shost
));
2587 fc_host_supported_speeds(shost
) = 0;
2588 if (phba
->lmt
& LMT_10Gb
)
2589 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2590 if (phba
->lmt
& LMT_8Gb
)
2591 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2592 if (phba
->lmt
& LMT_4Gb
)
2593 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2594 if (phba
->lmt
& LMT_2Gb
)
2595 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2596 if (phba
->lmt
& LMT_1Gb
)
2597 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2599 fc_host_maxframe_size(shost
) =
2600 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2601 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2603 /* This value is also unchanging */
2604 memset(fc_host_active_fc4s(shost
), 0,
2605 sizeof(fc_host_active_fc4s(shost
)));
2606 fc_host_active_fc4s(shost
)[2] = 1;
2607 fc_host_active_fc4s(shost
)[7] = 1;
2609 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2610 spin_lock_irq(shost
->host_lock
);
2611 vport
->load_flag
&= ~FC_LOADING
;
2612 spin_unlock_irq(shost
->host_lock
);
2616 * lpfc_stop_port_s3 - Stop SLI3 device port
2617 * @phba: pointer to lpfc hba data structure.
2619 * This routine is invoked to stop an SLI3 device port, it stops the device
2620 * from generating interrupts and stops the device driver's timers for the
2624 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2626 /* Clear all interrupt enable conditions */
2627 writel(0, phba
->HCregaddr
);
2628 readl(phba
->HCregaddr
); /* flush */
2629 /* Clear all pending interrupts */
2630 writel(0xffffffff, phba
->HAregaddr
);
2631 readl(phba
->HAregaddr
); /* flush */
2633 /* Reset some HBA SLI setup states */
2634 lpfc_stop_hba_timers(phba
);
2635 phba
->pport
->work_port_events
= 0;
2639 * lpfc_stop_port_s4 - Stop SLI4 device port
2640 * @phba: pointer to lpfc hba data structure.
2642 * This routine is invoked to stop an SLI4 device port, it stops the device
2643 * from generating interrupts and stops the device driver's timers for the
2647 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
2649 /* Reset some HBA SLI4 setup states */
2650 lpfc_stop_hba_timers(phba
);
2651 phba
->pport
->work_port_events
= 0;
2652 phba
->sli4_hba
.intr_enable
= 0;
2653 /* Hard clear it for now, shall have more graceful way to wait later */
2654 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
2658 * lpfc_stop_port - Wrapper function for stopping hba port
2659 * @phba: Pointer to HBA context object.
2661 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2662 * the API jump table function pointer from the lpfc_hba struct.
2665 lpfc_stop_port(struct lpfc_hba
*phba
)
2667 phba
->lpfc_stop_port(phba
);
2671 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2672 * @phba: pointer to lpfc hba data structure.
2674 * This routine is invoked to remove the driver default fcf record from
2675 * the port. This routine currently acts on FCF Index 0.
2679 lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*phba
)
2682 LPFC_MBOXQ_t
*mboxq
;
2683 struct lpfc_mbx_del_fcf_tbl_entry
*del_fcf_record
;
2684 uint32_t mbox_tmo
, req_len
;
2685 uint32_t shdr_status
, shdr_add_status
;
2687 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2690 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2694 req_len
= sizeof(struct lpfc_mbx_del_fcf_tbl_entry
) -
2695 sizeof(struct lpfc_sli4_cfg_mhdr
);
2696 rc
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
2697 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF
,
2698 req_len
, LPFC_SLI4_MBX_EMBED
);
2700 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2701 * supports multiple FCF indices.
2703 del_fcf_record
= &mboxq
->u
.mqe
.un
.del_fcf_entry
;
2704 bf_set(lpfc_mbx_del_fcf_tbl_count
, del_fcf_record
, 1);
2705 bf_set(lpfc_mbx_del_fcf_tbl_index
, del_fcf_record
,
2706 phba
->fcf
.fcf_indx
);
2708 if (!phba
->sli4_hba
.intr_enable
)
2709 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2711 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
2712 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
2714 /* The IOCTL status is embedded in the mailbox subheader. */
2715 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2716 &del_fcf_record
->header
.cfg_shdr
.response
);
2717 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2718 &del_fcf_record
->header
.cfg_shdr
.response
);
2719 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2720 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2721 "2516 DEL FCF of default FCF Index failed "
2722 "mbx status x%x, status x%x add_status x%x\n",
2723 rc
, shdr_status
, shdr_add_status
);
2725 if (rc
!= MBX_TIMEOUT
)
2726 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2730 * lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
2731 * @phba: pointer to lpfc hba data structure.
2733 * This function uses the QUERY_FW_CFG mailbox command to determine if the
2734 * firmware loaded supports FCoE. A return of zero indicates that the mailbox
2735 * was successful and the firmware supports FCoE. Any other return indicates
2736 * a error. It is assumed that this function will be called before interrupts
2740 lpfc_sli4_fw_cfg_check(struct lpfc_hba
*phba
)
2743 LPFC_MBOXQ_t
*mboxq
;
2744 struct lpfc_mbx_query_fw_cfg
*query_fw_cfg
;
2746 uint32_t shdr_status
, shdr_add_status
;
2748 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2750 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2751 "2621 Failed to allocate mbox for "
2752 "query firmware config cmd\n");
2755 query_fw_cfg
= &mboxq
->u
.mqe
.un
.query_fw_cfg
;
2756 length
= (sizeof(struct lpfc_mbx_query_fw_cfg
) -
2757 sizeof(struct lpfc_sli4_cfg_mhdr
));
2758 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
2759 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
2760 length
, LPFC_SLI4_MBX_EMBED
);
2761 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2762 /* The IOCTL status is embedded in the mailbox subheader. */
2763 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2764 &query_fw_cfg
->header
.cfg_shdr
.response
);
2765 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2766 &query_fw_cfg
->header
.cfg_shdr
.response
);
2767 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2768 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2769 "2622 Query Firmware Config failed "
2770 "mbx status x%x, status x%x add_status x%x\n",
2771 rc
, shdr_status
, shdr_add_status
);
2774 if (!bf_get(lpfc_function_mode_fcoe_i
, query_fw_cfg
)) {
2775 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2776 "2623 FCoE Function not supported by firmware. "
2777 "Function mode = %08x\n",
2778 query_fw_cfg
->function_mode
);
2781 if (rc
!= MBX_TIMEOUT
)
2782 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2787 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2788 * @phba: pointer to lpfc hba data structure.
2789 * @acqe_link: pointer to the async link completion queue entry.
2791 * This routine is to parse the SLI4 link-attention link fault code and
2792 * translate it into the base driver's read link attention mailbox command
2795 * Return: Link-attention status in terms of base driver's coding.
2798 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
2799 struct lpfc_acqe_link
*acqe_link
)
2801 uint16_t latt_fault
;
2803 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
2804 case LPFC_ASYNC_LINK_FAULT_NONE
:
2805 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
2806 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
2810 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2811 "0398 Invalid link fault code: x%x\n",
2812 bf_get(lpfc_acqe_link_fault
, acqe_link
));
2813 latt_fault
= MBXERR_ERROR
;
2820 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2821 * @phba: pointer to lpfc hba data structure.
2822 * @acqe_link: pointer to the async link completion queue entry.
2824 * This routine is to parse the SLI4 link attention type and translate it
2825 * into the base driver's link attention type coding.
2827 * Return: Link attention type in terms of base driver's coding.
2830 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
2831 struct lpfc_acqe_link
*acqe_link
)
2835 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
2836 case LPFC_ASYNC_LINK_STATUS_DOWN
:
2837 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
2838 att_type
= AT_LINK_DOWN
;
2840 case LPFC_ASYNC_LINK_STATUS_UP
:
2841 /* Ignore physical link up events - wait for logical link up */
2842 att_type
= AT_RESERVED
;
2844 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
2845 att_type
= AT_LINK_UP
;
2848 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2849 "0399 Invalid link attention type: x%x\n",
2850 bf_get(lpfc_acqe_link_status
, acqe_link
));
2851 att_type
= AT_RESERVED
;
2858 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2859 * @phba: pointer to lpfc hba data structure.
2860 * @acqe_link: pointer to the async link completion queue entry.
2862 * This routine is to parse the SLI4 link-attention link speed and translate
2863 * it into the base driver's link-attention link speed coding.
2865 * Return: Link-attention link speed in terms of base driver's coding.
2868 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
2869 struct lpfc_acqe_link
*acqe_link
)
2873 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
2874 case LPFC_ASYNC_LINK_SPEED_ZERO
:
2875 link_speed
= LA_UNKNW_LINK
;
2877 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
2878 link_speed
= LA_UNKNW_LINK
;
2880 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
2881 link_speed
= LA_UNKNW_LINK
;
2883 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
2884 link_speed
= LA_1GHZ_LINK
;
2886 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
2887 link_speed
= LA_10GHZ_LINK
;
2890 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2891 "0483 Invalid link-attention link speed: x%x\n",
2892 bf_get(lpfc_acqe_link_speed
, acqe_link
));
2893 link_speed
= LA_UNKNW_LINK
;
2900 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2901 * @phba: pointer to lpfc hba data structure.
2902 * @acqe_link: pointer to the async link completion queue entry.
2904 * This routine is to handle the SLI4 asynchronous link event.
2907 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
2908 struct lpfc_acqe_link
*acqe_link
)
2910 struct lpfc_dmabuf
*mp
;
2916 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
2917 if (att_type
!= AT_LINK_DOWN
&& att_type
!= AT_LINK_UP
)
2919 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
2920 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2922 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2923 "0395 The mboxq allocation failed\n");
2926 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2928 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2929 "0396 The lpfc_dmabuf allocation failed\n");
2932 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2934 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2935 "0397 The mbuf allocation failed\n");
2936 goto out_free_dmabuf
;
2939 /* Cleanup any outstanding ELS commands */
2940 lpfc_els_flush_all_cmd(phba
);
2942 /* Block ELS IOCBs until we have done process link event */
2943 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2945 /* Update link event statistics */
2946 phba
->sli
.slistat
.link_event
++;
2948 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2949 lpfc_read_la(phba
, pmb
, mp
);
2950 pmb
->vport
= phba
->pport
;
2952 /* Parse and translate status field */
2954 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
2956 /* Parse and translate link attention fields */
2957 la
= (READ_LA_VAR
*) &pmb
->u
.mb
.un
.varReadLA
;
2958 la
->eventTag
= acqe_link
->event_tag
;
2959 la
->attType
= att_type
;
2960 la
->UlnkSpeed
= lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
);
2962 /* Fake the the following irrelvant fields */
2963 la
->topology
= TOPOLOGY_PT_PT
;
2964 la
->granted_AL_PA
= 0;
2970 /* Keep the link status for extra SLI4 state machine reference */
2971 phba
->sli4_hba
.link_state
.speed
=
2972 bf_get(lpfc_acqe_link_speed
, acqe_link
);
2973 phba
->sli4_hba
.link_state
.duplex
=
2974 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
2975 phba
->sli4_hba
.link_state
.status
=
2976 bf_get(lpfc_acqe_link_status
, acqe_link
);
2977 phba
->sli4_hba
.link_state
.physical
=
2978 bf_get(lpfc_acqe_link_physical
, acqe_link
);
2979 phba
->sli4_hba
.link_state
.fault
=
2980 bf_get(lpfc_acqe_link_fault
, acqe_link
);
2982 /* Invoke the lpfc_handle_latt mailbox command callback function */
2983 lpfc_mbx_cmpl_read_la(phba
, pmb
);
2990 mempool_free(pmb
, phba
->mbox_mem_pool
);
2994 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2995 * @phba: pointer to lpfc hba data structure.
2996 * @acqe_link: pointer to the async fcoe completion queue entry.
2998 * This routine is to handle the SLI4 asynchronous fcoe event.
3001 lpfc_sli4_async_fcoe_evt(struct lpfc_hba
*phba
,
3002 struct lpfc_acqe_fcoe
*acqe_fcoe
)
3004 uint8_t event_type
= bf_get(lpfc_acqe_fcoe_event_type
, acqe_fcoe
);
3006 struct lpfc_vport
*vport
;
3007 struct lpfc_nodelist
*ndlp
;
3008 struct Scsi_Host
*shost
;
3010 phba
->fc_eventTag
= acqe_fcoe
->event_tag
;
3011 phba
->fcoe_eventtag
= acqe_fcoe
->event_tag
;
3012 switch (event_type
) {
3013 case LPFC_FCOE_EVENT_TYPE_NEW_FCF
:
3014 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3015 "2546 New FCF found index 0x%x tag 0x%x\n",
3017 acqe_fcoe
->event_tag
);
3019 * If the current FCF is in discovered state, or
3020 * FCF discovery is in progress do nothing.
3022 spin_lock_irq(&phba
->hbalock
);
3023 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERED
) ||
3024 (phba
->hba_flag
& FCF_DISC_INPROGRESS
)) {
3025 spin_unlock_irq(&phba
->hbalock
);
3028 spin_unlock_irq(&phba
->hbalock
);
3030 /* Read the FCF table and re-discover SAN. */
3031 rc
= lpfc_sli4_read_fcf_record(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3033 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3034 "2547 Read FCF record failed 0x%x\n",
3038 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL
:
3039 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3040 "2548 FCF Table full count 0x%x tag 0x%x\n",
3041 bf_get(lpfc_acqe_fcoe_fcf_count
, acqe_fcoe
),
3042 acqe_fcoe
->event_tag
);
3045 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD
:
3046 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3047 "2549 FCF disconnected from network index 0x%x"
3048 " tag 0x%x\n", acqe_fcoe
->index
,
3049 acqe_fcoe
->event_tag
);
3050 /* If the event is not for currently used fcf do nothing */
3051 if (phba
->fcf
.fcf_indx
!= acqe_fcoe
->index
)
3054 * Currently, driver support only one FCF - so treat this as
3057 lpfc_linkdown(phba
);
3058 /* Unregister FCF if no devices connected to it */
3059 lpfc_unregister_unused_fcf(phba
);
3061 case LPFC_FCOE_EVENT_TYPE_CVL
:
3062 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3063 "2718 Clear Virtual Link Received for VPI 0x%x"
3064 " tag 0x%x\n", acqe_fcoe
->index
, acqe_fcoe
->event_tag
);
3065 vport
= lpfc_find_vport_by_vpid(phba
,
3066 acqe_fcoe
->index
- phba
->vpi_base
);
3069 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3072 shost
= lpfc_shost_from_vport(vport
);
3073 lpfc_linkdown_port(vport
);
3074 if (vport
->port_type
!= LPFC_NPIV_PORT
) {
3075 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3076 spin_lock_irq(shost
->host_lock
);
3077 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3078 spin_unlock_irq(shost
->host_lock
);
3079 ndlp
->nlp_last_elscmd
= ELS_CMD_FLOGI
;
3080 vport
->port_state
= LPFC_FLOGI
;
3084 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3085 "0288 Unknown FCoE event type 0x%x event tag "
3086 "0x%x\n", event_type
, acqe_fcoe
->event_tag
);
3092 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3093 * @phba: pointer to lpfc hba data structure.
3094 * @acqe_link: pointer to the async dcbx completion queue entry.
3096 * This routine is to handle the SLI4 asynchronous dcbx event.
3099 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3100 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3102 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3103 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3104 "0290 The SLI4 DCBX asynchronous event is not "
3109 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3110 * @phba: pointer to lpfc hba data structure.
3112 * This routine is invoked by the worker thread to process all the pending
3113 * SLI4 asynchronous events.
3115 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3117 struct lpfc_cq_event
*cq_event
;
3119 /* First, declare the async event has been handled */
3120 spin_lock_irq(&phba
->hbalock
);
3121 phba
->hba_flag
&= ~ASYNC_EVENT
;
3122 spin_unlock_irq(&phba
->hbalock
);
3123 /* Now, handle all the async events */
3124 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3125 /* Get the first event from the head of the event queue */
3126 spin_lock_irq(&phba
->hbalock
);
3127 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3128 cq_event
, struct lpfc_cq_event
, list
);
3129 spin_unlock_irq(&phba
->hbalock
);
3130 /* Process the asynchronous event */
3131 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3132 case LPFC_TRAILER_CODE_LINK
:
3133 lpfc_sli4_async_link_evt(phba
,
3134 &cq_event
->cqe
.acqe_link
);
3136 case LPFC_TRAILER_CODE_FCOE
:
3137 lpfc_sli4_async_fcoe_evt(phba
,
3138 &cq_event
->cqe
.acqe_fcoe
);
3140 case LPFC_TRAILER_CODE_DCBX
:
3141 lpfc_sli4_async_dcbx_evt(phba
,
3142 &cq_event
->cqe
.acqe_dcbx
);
3145 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3146 "1804 Invalid asynchrous event code: "
3147 "x%x\n", bf_get(lpfc_trailer_code
,
3148 &cq_event
->cqe
.mcqe_cmpl
));
3151 /* Free the completion event processed to the free pool */
3152 lpfc_sli4_cq_event_release(phba
, cq_event
);
3157 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3158 * @phba: pointer to lpfc hba data structure.
3159 * @dev_grp: The HBA PCI-Device group number.
3161 * This routine is invoked to set up the per HBA PCI-Device group function
3162 * API jump table entries.
3164 * Return: 0 if success, otherwise -ENODEV
3167 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3171 /* Set up lpfc PCI-device group */
3172 phba
->pci_dev_grp
= dev_grp
;
3174 /* The LPFC_PCI_DEV_OC uses SLI4 */
3175 if (dev_grp
== LPFC_PCI_DEV_OC
)
3176 phba
->sli_rev
= LPFC_SLI_REV4
;
3178 /* Set up device INIT API function jump table */
3179 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3182 /* Set up SCSI API function jump table */
3183 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3186 /* Set up SLI API function jump table */
3187 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3190 /* Set up MBOX API function jump table */
3191 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3199 * lpfc_log_intr_mode - Log the active interrupt mode
3200 * @phba: pointer to lpfc hba data structure.
3201 * @intr_mode: active interrupt mode adopted.
3203 * This routine it invoked to log the currently used active interrupt mode
3206 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3208 switch (intr_mode
) {
3210 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3211 "0470 Enable INTx interrupt mode.\n");
3214 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3215 "0481 Enabled MSI interrupt mode.\n");
3218 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3219 "0480 Enabled MSI-X interrupt mode.\n");
3222 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3223 "0482 Illegal interrupt mode.\n");
3230 * lpfc_enable_pci_dev - Enable a generic PCI device.
3231 * @phba: pointer to lpfc hba data structure.
3233 * This routine is invoked to enable the PCI device that is common to all
3238 * other values - error
3241 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3243 struct pci_dev
*pdev
;
3246 /* Obtain PCI device reference */
3250 pdev
= phba
->pcidev
;
3251 /* Select PCI BARs */
3252 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3253 /* Enable PCI device */
3254 if (pci_enable_device_mem(pdev
))
3256 /* Request PCI resource for the device */
3257 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3258 goto out_disable_device
;
3259 /* Set up device as PCI master and save state for EEH */
3260 pci_set_master(pdev
);
3261 pci_try_set_mwi(pdev
);
3262 pci_save_state(pdev
);
3267 pci_disable_device(pdev
);
3273 * lpfc_disable_pci_dev - Disable a generic PCI device.
3274 * @phba: pointer to lpfc hba data structure.
3276 * This routine is invoked to disable the PCI device that is common to all
3280 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
3282 struct pci_dev
*pdev
;
3285 /* Obtain PCI device reference */
3289 pdev
= phba
->pcidev
;
3290 /* Select PCI BARs */
3291 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3292 /* Release PCI resource and disable PCI device */
3293 pci_release_selected_regions(pdev
, bars
);
3294 pci_disable_device(pdev
);
3295 /* Null out PCI private reference to driver */
3296 pci_set_drvdata(pdev
, NULL
);
3302 * lpfc_reset_hba - Reset a hba
3303 * @phba: pointer to lpfc hba data structure.
3305 * This routine is invoked to reset a hba device. It brings the HBA
3306 * offline, performs a board restart, and then brings the board back
3307 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3308 * on outstanding mailbox commands.
3311 lpfc_reset_hba(struct lpfc_hba
*phba
)
3313 /* If resets are disabled then set error state and return. */
3314 if (!phba
->cfg_enable_hba_reset
) {
3315 phba
->link_state
= LPFC_HBA_ERROR
;
3318 lpfc_offline_prep(phba
);
3320 lpfc_sli_brdrestart(phba
);
3322 lpfc_unblock_mgmt_io(phba
);
3326 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3327 * @phba: pointer to lpfc hba data structure.
3329 * This routine is invoked to set up the driver internal resources specific to
3330 * support the SLI-3 HBA device it attached to.
3334 * other values - error
3337 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
3339 struct lpfc_sli
*psli
;
3342 * Initialize timers used by driver
3345 /* Heartbeat timer */
3346 init_timer(&phba
->hb_tmofunc
);
3347 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3348 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3351 /* MBOX heartbeat timer */
3352 init_timer(&psli
->mbox_tmo
);
3353 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3354 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3355 /* FCP polling mode timer */
3356 init_timer(&phba
->fcp_poll_timer
);
3357 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
3358 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
3359 /* Fabric block timer */
3360 init_timer(&phba
->fabric_block_timer
);
3361 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3362 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3363 /* EA polling mode timer */
3364 init_timer(&phba
->eratt_poll
);
3365 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3366 phba
->eratt_poll
.data
= (unsigned long) phba
;
3368 /* Host attention work mask setup */
3369 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
3370 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
3372 /* Get all the module params for configuring this host */
3373 lpfc_get_cfgparam(phba
);
3375 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3376 * used to create the sg_dma_buf_pool must be dynamically calculated.
3377 * 2 segments are added since the IOCB needs a command and response bde.
3379 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
3380 sizeof(struct fcp_rsp
) +
3381 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
3383 if (phba
->cfg_enable_bg
) {
3384 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
3385 phba
->cfg_sg_dma_buf_size
+=
3386 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
3389 /* Also reinitialize the host templates with new values. */
3390 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3391 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3393 phba
->max_vpi
= LPFC_MAX_VPI
;
3394 /* This will be set to correct value after config_port mbox */
3395 phba
->max_vports
= 0;
3398 * Initialize the SLI Layer to run with lpfc HBAs.
3400 lpfc_sli_setup(phba
);
3401 lpfc_sli_queue_setup(phba
);
3403 /* Allocate device driver memory */
3404 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
3411 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3412 * @phba: pointer to lpfc hba data structure.
3414 * This routine is invoked to unset the driver internal resources set up
3415 * specific for supporting the SLI-3 HBA device it attached to.
3418 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
3420 /* Free device driver memory allocated */
3421 lpfc_mem_free_all(phba
);
3427 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3428 * @phba: pointer to lpfc hba data structure.
3430 * This routine is invoked to set up the driver internal resources specific to
3431 * support the SLI-4 HBA device it attached to.
3435 * other values - error
3438 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
3440 struct lpfc_sli
*psli
;
3444 /* Before proceed, wait for POST done and device ready */
3445 rc
= lpfc_sli4_post_status_check(phba
);
3450 * Initialize timers used by driver
3453 /* Heartbeat timer */
3454 init_timer(&phba
->hb_tmofunc
);
3455 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3456 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3459 /* MBOX heartbeat timer */
3460 init_timer(&psli
->mbox_tmo
);
3461 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3462 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3463 /* Fabric block timer */
3464 init_timer(&phba
->fabric_block_timer
);
3465 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3466 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3467 /* EA polling mode timer */
3468 init_timer(&phba
->eratt_poll
);
3469 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3470 phba
->eratt_poll
.data
= (unsigned long) phba
;
3472 * We need to do a READ_CONFIG mailbox command here before
3473 * calling lpfc_get_cfgparam. For VFs this will report the
3474 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3475 * All of the resources allocated
3476 * for this Port are tied to these values.
3478 /* Get all the module params for configuring this host */
3479 lpfc_get_cfgparam(phba
);
3480 phba
->max_vpi
= LPFC_MAX_VPI
;
3481 /* This will be set to correct value after the read_config mbox */
3482 phba
->max_vports
= 0;
3484 /* Program the default value of vlan_id and fc_map */
3485 phba
->valid_vlan
= 0;
3486 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
3487 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
3488 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
3491 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3492 * used to create the sg_dma_buf_pool must be dynamically calculated.
3493 * 2 segments are added since the IOCB needs a command and response bde.
3494 * To insure that the scsi sgl does not cross a 4k page boundary only
3495 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3496 * Table of sgl sizes and seg_cnt:
3497 * sgl size, sg_seg_cnt total seg
3502 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3503 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3504 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3505 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3507 if (phba
->cfg_sg_seg_cnt
<= LPFC_DEFAULT_SG_SEG_CNT
)
3508 phba
->cfg_sg_seg_cnt
= 50;
3509 else if (phba
->cfg_sg_seg_cnt
<= 114)
3510 phba
->cfg_sg_seg_cnt
= 114;
3511 else if (phba
->cfg_sg_seg_cnt
<= 242)
3512 phba
->cfg_sg_seg_cnt
= 242;
3514 phba
->cfg_sg_seg_cnt
= 498;
3516 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
)
3517 + sizeof(struct fcp_rsp
);
3518 phba
->cfg_sg_dma_buf_size
+=
3519 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
3521 /* Initialize buffer queue management fields */
3522 hbq_count
= lpfc_sli_hbq_count();
3523 for (i
= 0; i
< hbq_count
; ++i
)
3524 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
3525 INIT_LIST_HEAD(&phba
->rb_pend_list
);
3526 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
3527 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
3530 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3532 /* Initialize the Abort scsi buffer list used by driver */
3533 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
3534 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
3535 /* This abort list used by worker thread */
3536 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
3539 * Initialize dirver internal slow-path work queues
3542 /* Driver internel slow-path CQ Event pool */
3543 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
3544 /* Response IOCB work queue list */
3545 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
3546 /* Asynchronous event CQ Event work queue list */
3547 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
3548 /* Fast-path XRI aborted CQ Event work queue list */
3549 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
3550 /* Slow-path XRI aborted CQ Event work queue list */
3551 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
3552 /* Receive queue CQ Event work queue list */
3553 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
3555 /* Initialize the driver internal SLI layer lists. */
3556 lpfc_sli_setup(phba
);
3557 lpfc_sli_queue_setup(phba
);
3559 /* Allocate device driver memory */
3560 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
3564 /* Create the bootstrap mailbox command */
3565 rc
= lpfc_create_bootstrap_mbox(phba
);
3569 /* Set up the host's endian order with the device. */
3570 rc
= lpfc_setup_endian_order(phba
);
3572 goto out_free_bsmbx
;
3574 rc
= lpfc_sli4_fw_cfg_check(phba
);
3576 goto out_free_bsmbx
;
3578 /* Set up the hba's configuration parameters. */
3579 rc
= lpfc_sli4_read_config(phba
);
3581 goto out_free_bsmbx
;
3583 /* Perform a function reset */
3584 rc
= lpfc_pci_function_reset(phba
);
3586 goto out_free_bsmbx
;
3588 /* Create all the SLI4 queues */
3589 rc
= lpfc_sli4_queue_create(phba
);
3591 goto out_free_bsmbx
;
3593 /* Create driver internal CQE event pool */
3594 rc
= lpfc_sli4_cq_event_pool_create(phba
);
3596 goto out_destroy_queue
;
3598 /* Initialize and populate the iocb list per host */
3599 rc
= lpfc_init_sgl_list(phba
);
3601 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3602 "1400 Failed to initialize sgl list.\n");
3603 goto out_destroy_cq_event_pool
;
3605 rc
= lpfc_init_active_sgl_array(phba
);
3607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3608 "1430 Failed to initialize sgl list.\n");
3609 goto out_free_sgl_list
;
3612 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
3614 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3615 "1432 Failed to initialize rpi headers.\n");
3616 goto out_free_active_sgl
;
3619 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
3620 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
3621 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
3622 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3623 "2572 Failed allocate memory for fast-path "
3624 "per-EQ handle array\n");
3625 goto out_remove_rpi_hdrs
;
3628 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
3629 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
3630 if (!phba
->sli4_hba
.msix_entries
) {
3631 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3632 "2573 Failed allocate memory for msi-x "
3633 "interrupt vector entries\n");
3634 goto out_free_fcp_eq_hdl
;
3639 out_free_fcp_eq_hdl
:
3640 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3641 out_remove_rpi_hdrs
:
3642 lpfc_sli4_remove_rpi_hdrs(phba
);
3643 out_free_active_sgl
:
3644 lpfc_free_active_sgl(phba
);
3646 lpfc_free_sgl_list(phba
);
3647 out_destroy_cq_event_pool
:
3648 lpfc_sli4_cq_event_pool_destroy(phba
);
3650 lpfc_sli4_queue_destroy(phba
);
3652 lpfc_destroy_bootstrap_mbox(phba
);
3654 lpfc_mem_free(phba
);
3659 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3660 * @phba: pointer to lpfc hba data structure.
3662 * This routine is invoked to unset the driver internal resources set up
3663 * specific for supporting the SLI-4 HBA device it attached to.
3666 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
3668 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
3670 /* unregister default FCFI from the HBA */
3671 lpfc_sli4_fcfi_unreg(phba
, phba
->fcf
.fcfi
);
3673 /* Free the default FCR table */
3674 lpfc_sli_remove_dflt_fcf(phba
);
3676 /* Free memory allocated for msi-x interrupt vector entries */
3677 kfree(phba
->sli4_hba
.msix_entries
);
3679 /* Free memory allocated for fast-path work queue handles */
3680 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3682 /* Free the allocated rpi headers. */
3683 lpfc_sli4_remove_rpi_hdrs(phba
);
3684 lpfc_sli4_remove_rpis(phba
);
3686 /* Free the ELS sgl list */
3687 lpfc_free_active_sgl(phba
);
3688 lpfc_free_sgl_list(phba
);
3690 /* Free the SCSI sgl management array */
3691 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
3693 /* Free the SLI4 queues */
3694 lpfc_sli4_queue_destroy(phba
);
3696 /* Free the completion queue EQ event pool */
3697 lpfc_sli4_cq_event_release_all(phba
);
3698 lpfc_sli4_cq_event_pool_destroy(phba
);
3700 /* Reset SLI4 HBA FCoE function */
3701 lpfc_pci_function_reset(phba
);
3703 /* Free the bsmbx region. */
3704 lpfc_destroy_bootstrap_mbox(phba
);
3706 /* Free the SLI Layer memory with SLI4 HBAs */
3707 lpfc_mem_free_all(phba
);
3709 /* Free the current connect table */
3710 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
3711 &phba
->fcf_conn_rec_list
, list
) {
3712 list_del_init(&conn_entry
->list
);
3720 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3721 * @phba: The hba struct for which this call is being executed.
3722 * @dev_grp: The HBA PCI-Device group number.
3724 * This routine sets up the device INIT interface API function jump table
3727 * Returns: 0 - success, -ENODEV - failure.
3730 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3733 case LPFC_PCI_DEV_LP
:
3734 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
3735 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
3736 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
3738 case LPFC_PCI_DEV_OC
:
3739 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
3740 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
3741 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
3744 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3745 "1431 Invalid HBA PCI-device group: 0x%x\n",
3754 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3755 * @phba: pointer to lpfc hba data structure.
3757 * This routine is invoked to set up the driver internal resources before the
3758 * device specific resource setup to support the HBA device it attached to.
3762 * other values - error
3765 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
3768 * Driver resources common to all SLI revisions
3770 atomic_set(&phba
->fast_event_count
, 0);
3771 spin_lock_init(&phba
->hbalock
);
3773 /* Initialize ndlp management spinlock */
3774 spin_lock_init(&phba
->ndlp_lock
);
3776 INIT_LIST_HEAD(&phba
->port_list
);
3777 INIT_LIST_HEAD(&phba
->work_list
);
3778 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
3780 /* Initialize the wait queue head for the kernel thread */
3781 init_waitqueue_head(&phba
->work_waitq
);
3783 /* Initialize the scsi buffer list used by driver for scsi IO */
3784 spin_lock_init(&phba
->scsi_buf_list_lock
);
3785 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
3787 /* Initialize the fabric iocb list */
3788 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
3790 /* Initialize list to save ELS buffers */
3791 INIT_LIST_HEAD(&phba
->elsbuf
);
3793 /* Initialize FCF connection rec list */
3794 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
3800 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3801 * @phba: pointer to lpfc hba data structure.
3803 * This routine is invoked to set up the driver internal resources after the
3804 * device specific resource setup to support the HBA device it attached to.
3808 * other values - error
3811 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
3815 /* Startup the kernel thread for this host adapter. */
3816 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
3817 "lpfc_worker_%d", phba
->brd_no
);
3818 if (IS_ERR(phba
->worker_thread
)) {
3819 error
= PTR_ERR(phba
->worker_thread
);
3827 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3828 * @phba: pointer to lpfc hba data structure.
3830 * This routine is invoked to unset the driver internal resources set up after
3831 * the device specific resource setup for supporting the HBA device it
3835 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
3837 /* Stop kernel worker thread */
3838 kthread_stop(phba
->worker_thread
);
3842 * lpfc_free_iocb_list - Free iocb list.
3843 * @phba: pointer to lpfc hba data structure.
3845 * This routine is invoked to free the driver's IOCB list and memory.
3848 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
3850 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
3852 spin_lock_irq(&phba
->hbalock
);
3853 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
3854 &phba
->lpfc_iocb_list
, list
) {
3855 list_del(&iocbq_entry
->list
);
3857 phba
->total_iocbq_bufs
--;
3859 spin_unlock_irq(&phba
->hbalock
);
3865 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3866 * @phba: pointer to lpfc hba data structure.
3868 * This routine is invoked to allocate and initizlize the driver's IOCB
3869 * list and set up the IOCB tag array accordingly.
3873 * other values - error
3876 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
3878 struct lpfc_iocbq
*iocbq_entry
= NULL
;
3882 /* Initialize and populate the iocb list per host. */
3883 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
3884 for (i
= 0; i
< iocb_count
; i
++) {
3885 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
3886 if (iocbq_entry
== NULL
) {
3887 printk(KERN_ERR
"%s: only allocated %d iocbs of "
3888 "expected %d count. Unloading driver.\n",
3889 __func__
, i
, LPFC_IOCB_LIST_CNT
);
3890 goto out_free_iocbq
;
3893 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
3896 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
3897 "Unloading driver.\n", __func__
);
3898 goto out_free_iocbq
;
3900 iocbq_entry
->sli4_xritag
= NO_XRI
;
3902 spin_lock_irq(&phba
->hbalock
);
3903 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
3904 phba
->total_iocbq_bufs
++;
3905 spin_unlock_irq(&phba
->hbalock
);
3911 lpfc_free_iocb_list(phba
);
3917 * lpfc_free_sgl_list - Free sgl list.
3918 * @phba: pointer to lpfc hba data structure.
3920 * This routine is invoked to free the driver's sgl list and memory.
3923 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
3925 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
3926 LIST_HEAD(sglq_list
);
3929 spin_lock_irq(&phba
->hbalock
);
3930 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
3931 spin_unlock_irq(&phba
->hbalock
);
3933 list_for_each_entry_safe(sglq_entry
, sglq_next
,
3935 list_del(&sglq_entry
->list
);
3936 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
3938 phba
->sli4_hba
.total_sglq_bufs
--;
3940 rc
= lpfc_sli4_remove_all_sgl_pages(phba
);
3942 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3943 "2005 Unable to deregister pages from HBA: %x\n", rc
);
3945 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
3949 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3950 * @phba: pointer to lpfc hba data structure.
3952 * This routine is invoked to allocate the driver's active sgl memory.
3953 * This array will hold the sglq_entry's for active IOs.
3956 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
3959 size
= sizeof(struct lpfc_sglq
*);
3960 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
3962 phba
->sli4_hba
.lpfc_sglq_active_list
=
3963 kzalloc(size
, GFP_KERNEL
);
3964 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
3970 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3971 * @phba: pointer to lpfc hba data structure.
3973 * This routine is invoked to walk through the array of active sglq entries
3974 * and free all of the resources.
3975 * This is just a place holder for now.
3978 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
3980 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
3984 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3985 * @phba: pointer to lpfc hba data structure.
3987 * This routine is invoked to allocate and initizlize the driver's sgl
3988 * list and set up the sgl xritag tag array accordingly.
3992 * other values - error
3995 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
3997 struct lpfc_sglq
*sglq_entry
= NULL
;
4001 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
4002 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4003 "2400 lpfc_init_sgl_list els %d.\n",
4005 /* Initialize and populate the sglq list per host/VF. */
4006 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
4007 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
4009 /* Sanity check on XRI management */
4010 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
4011 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4012 "2562 No room left for SCSI XRI allocation: "
4013 "max_xri=%d, els_xri=%d\n",
4014 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4019 /* Allocate memory for the ELS XRI management array */
4020 phba
->sli4_hba
.lpfc_els_sgl_array
=
4021 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4024 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4025 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4026 "2401 Failed to allocate memory for ELS "
4027 "XRI management array of size %d.\n",
4032 /* Keep the SCSI XRI into the XRI management array */
4033 phba
->sli4_hba
.scsi_xri_max
=
4034 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4035 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4037 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4038 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4039 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4041 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4042 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4043 "2563 Failed to allocate memory for SCSI "
4044 "XRI management array of size %d.\n",
4045 phba
->sli4_hba
.scsi_xri_max
);
4046 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4050 for (i
= 0; i
< els_xri_cnt
; i
++) {
4051 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4052 if (sglq_entry
== NULL
) {
4053 printk(KERN_ERR
"%s: only allocated %d sgls of "
4054 "expected %d count. Unloading driver.\n",
4055 __func__
, i
, els_xri_cnt
);
4059 sglq_entry
->sli4_xritag
= lpfc_sli4_next_xritag(phba
);
4060 if (sglq_entry
->sli4_xritag
== NO_XRI
) {
4062 printk(KERN_ERR
"%s: failed to allocate XRI.\n"
4063 "Unloading driver.\n", __func__
);
4066 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4067 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4068 if (sglq_entry
->virt
== NULL
) {
4070 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
4071 "Unloading driver.\n", __func__
);
4074 sglq_entry
->sgl
= sglq_entry
->virt
;
4075 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
4077 /* The list order is used by later block SGL registraton */
4078 spin_lock_irq(&phba
->hbalock
);
4079 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
4080 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
4081 phba
->sli4_hba
.total_sglq_bufs
++;
4082 spin_unlock_irq(&phba
->hbalock
);
4087 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4088 lpfc_free_sgl_list(phba
);
4093 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
4094 * @phba: pointer to lpfc hba data structure.
4096 * This routine is invoked to post rpi header templates to the
4097 * HBA consistent with the SLI-4 interface spec. This routine
4098 * posts a PAGE_SIZE memory region to the port to hold up to
4099 * PAGE_SIZE modulo 64 rpi context headers.
4100 * No locks are held here because this is an initialization routine
4101 * called only from probe or lpfc_online when interrupts are not
4102 * enabled and the driver is reinitializing the device.
4106 * ENOMEM - No availble memory
4107 * EIO - The mailbox failed to complete successfully.
4110 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
4115 struct lpfc_rpi_hdr
*rpi_hdr
;
4117 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4120 * Provision an rpi bitmask range for discovery. The total count
4121 * is the difference between max and base + 1.
4123 rpi_count
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4124 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4126 longs
= ((rpi_count
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
4127 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4129 if (!phba
->sli4_hba
.rpi_bmask
)
4132 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
4134 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
4135 "0391 Error during rpi post operation\n");
4136 lpfc_sli4_remove_rpis(phba
);
4144 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4145 * @phba: pointer to lpfc hba data structure.
4147 * This routine is invoked to allocate a single 4KB memory region to
4148 * support rpis and stores them in the phba. This single region
4149 * provides support for up to 64 rpis. The region is used globally
4153 * A valid rpi hdr on success.
4154 * A NULL pointer on any failure.
4156 struct lpfc_rpi_hdr
*
4157 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
4159 uint16_t rpi_limit
, curr_rpi_range
;
4160 struct lpfc_dmabuf
*dmabuf
;
4161 struct lpfc_rpi_hdr
*rpi_hdr
;
4163 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4164 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4166 spin_lock_irq(&phba
->hbalock
);
4167 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
4168 spin_unlock_irq(&phba
->hbalock
);
4171 * The port has a limited number of rpis. The increment here
4172 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4173 * and to allow the full max_rpi range per port.
4175 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
4179 * First allocate the protocol header region for the port. The
4180 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4182 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4186 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4187 LPFC_HDR_TEMPLATE_SIZE
,
4190 if (!dmabuf
->virt
) {
4192 goto err_free_dmabuf
;
4195 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
4196 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
4198 goto err_free_coherent
;
4201 /* Save the rpi header data for cleanup later. */
4202 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
4204 goto err_free_coherent
;
4206 rpi_hdr
->dmabuf
= dmabuf
;
4207 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
4208 rpi_hdr
->page_count
= 1;
4209 spin_lock_irq(&phba
->hbalock
);
4210 rpi_hdr
->start_rpi
= phba
->sli4_hba
.next_rpi
;
4211 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4214 * The next_rpi stores the next module-64 rpi value to post
4215 * in any subsequent rpi memory region postings.
4217 phba
->sli4_hba
.next_rpi
+= LPFC_RPI_HDR_COUNT
;
4218 spin_unlock_irq(&phba
->hbalock
);
4222 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
4223 dmabuf
->virt
, dmabuf
->phys
);
4230 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4231 * @phba: pointer to lpfc hba data structure.
4233 * This routine is invoked to remove all memory resources allocated
4234 * to support rpis. This routine presumes the caller has released all
4235 * rpis consumed by fabric or port logins and is prepared to have
4236 * the header pages removed.
4239 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
4241 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
4243 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
4244 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
4245 list_del(&rpi_hdr
->list
);
4246 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
4247 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
4248 kfree(rpi_hdr
->dmabuf
);
4252 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4253 memset(phba
->sli4_hba
.rpi_bmask
, 0, sizeof(*phba
->sli4_hba
.rpi_bmask
));
4257 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4258 * @pdev: pointer to pci device data structure.
4260 * This routine is invoked to allocate the driver hba data structure for an
4261 * HBA device. If the allocation is successful, the phba reference to the
4262 * PCI device data structure is set.
4265 * pointer to @phba - successful
4268 static struct lpfc_hba
*
4269 lpfc_hba_alloc(struct pci_dev
*pdev
)
4271 struct lpfc_hba
*phba
;
4273 /* Allocate memory for HBA structure */
4274 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
4276 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
4280 /* Set reference to PCI device in HBA structure */
4281 phba
->pcidev
= pdev
;
4283 /* Assign an unused board number */
4284 phba
->brd_no
= lpfc_get_instance();
4285 if (phba
->brd_no
< 0) {
4290 mutex_init(&phba
->ct_event_mutex
);
4291 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
4297 * lpfc_hba_free - Free driver hba data structure with a device.
4298 * @phba: pointer to lpfc hba data structure.
4300 * This routine is invoked to free the driver hba data structure with an
4304 lpfc_hba_free(struct lpfc_hba
*phba
)
4306 /* Release the driver assigned board number */
4307 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
4314 * lpfc_create_shost - Create hba physical port with associated scsi host.
4315 * @phba: pointer to lpfc hba data structure.
4317 * This routine is invoked to create HBA physical port and associate a SCSI
4322 * other values - error
4325 lpfc_create_shost(struct lpfc_hba
*phba
)
4327 struct lpfc_vport
*vport
;
4328 struct Scsi_Host
*shost
;
4330 /* Initialize HBA FC structure */
4331 phba
->fc_edtov
= FF_DEF_EDTOV
;
4332 phba
->fc_ratov
= FF_DEF_RATOV
;
4333 phba
->fc_altov
= FF_DEF_ALTOV
;
4334 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
4336 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
4340 shost
= lpfc_shost_from_vport(vport
);
4341 phba
->pport
= vport
;
4342 lpfc_debugfs_initialize(vport
);
4343 /* Put reference to SCSI host to driver's device private data */
4344 pci_set_drvdata(phba
->pcidev
, shost
);
4350 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4351 * @phba: pointer to lpfc hba data structure.
4353 * This routine is invoked to destroy HBA physical port and the associated
4357 lpfc_destroy_shost(struct lpfc_hba
*phba
)
4359 struct lpfc_vport
*vport
= phba
->pport
;
4361 /* Destroy physical port that associated with the SCSI host */
4362 destroy_port(vport
);
4368 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4369 * @phba: pointer to lpfc hba data structure.
4370 * @shost: the shost to be used to detect Block guard settings.
4372 * This routine sets up the local Block guard protocol settings for @shost.
4373 * This routine also allocates memory for debugging bg buffers.
4376 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
4379 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
4380 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4381 "1478 Registering BlockGuard with the "
4383 scsi_host_set_prot(shost
, lpfc_prot_mask
);
4384 scsi_host_set_guard(shost
, lpfc_prot_guard
);
4386 if (!_dump_buf_data
) {
4388 spin_lock_init(&_dump_buf_lock
);
4390 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4391 if (_dump_buf_data
) {
4392 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4393 "9043 BLKGRD: allocated %d pages for "
4394 "_dump_buf_data at 0x%p\n",
4395 (1 << pagecnt
), _dump_buf_data
);
4396 _dump_buf_data_order
= pagecnt
;
4397 memset(_dump_buf_data
, 0,
4398 ((1 << PAGE_SHIFT
) << pagecnt
));
4403 if (!_dump_buf_data_order
)
4404 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4405 "9044 BLKGRD: ERROR unable to allocate "
4406 "memory for hexdump\n");
4408 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4409 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
4410 "\n", _dump_buf_data
);
4411 if (!_dump_buf_dif
) {
4414 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4415 if (_dump_buf_dif
) {
4416 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4417 "9046 BLKGRD: allocated %d pages for "
4418 "_dump_buf_dif at 0x%p\n",
4419 (1 << pagecnt
), _dump_buf_dif
);
4420 _dump_buf_dif_order
= pagecnt
;
4421 memset(_dump_buf_dif
, 0,
4422 ((1 << PAGE_SHIFT
) << pagecnt
));
4427 if (!_dump_buf_dif_order
)
4428 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4429 "9047 BLKGRD: ERROR unable to allocate "
4430 "memory for hexdump\n");
4432 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4433 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
4438 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4439 * @phba: pointer to lpfc hba data structure.
4441 * This routine is invoked to perform all the necessary post initialization
4442 * setup for the device.
4445 lpfc_post_init_setup(struct lpfc_hba
*phba
)
4447 struct Scsi_Host
*shost
;
4448 struct lpfc_adapter_event_header adapter_event
;
4450 /* Get the default values for Model Name and Description */
4451 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
4454 * hba setup may have changed the hba_queue_depth so we need to
4455 * adjust the value of can_queue.
4457 shost
= pci_get_drvdata(phba
->pcidev
);
4458 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
4459 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
4460 lpfc_setup_bg(phba
, shost
);
4462 lpfc_host_attrib_init(shost
);
4464 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
4465 spin_lock_irq(shost
->host_lock
);
4466 lpfc_poll_start_timer(phba
);
4467 spin_unlock_irq(shost
->host_lock
);
4470 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4471 "0428 Perform SCSI scan\n");
4472 /* Send board arrival event to upper layer */
4473 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
4474 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
4475 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4476 sizeof(adapter_event
),
4477 (char *) &adapter_event
,
4483 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4484 * @phba: pointer to lpfc hba data structure.
4486 * This routine is invoked to set up the PCI device memory space for device
4487 * with SLI-3 interface spec.
4491 * other values - error
4494 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
4496 struct pci_dev
*pdev
;
4497 unsigned long bar0map_len
, bar2map_len
;
4500 int error
= -ENODEV
;
4502 /* Obtain PCI device reference */
4506 pdev
= phba
->pcidev
;
4508 /* Set the device DMA mask size */
4509 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
4510 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
4511 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
4512 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
4517 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4518 * required by each mapping.
4520 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
4521 bar0map_len
= pci_resource_len(pdev
, 0);
4523 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
4524 bar2map_len
= pci_resource_len(pdev
, 2);
4526 /* Map HBA SLIM to a kernel virtual address. */
4527 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
4528 if (!phba
->slim_memmap_p
) {
4529 dev_printk(KERN_ERR
, &pdev
->dev
,
4530 "ioremap failed for SLIM memory.\n");
4534 /* Map HBA Control Registers to a kernel virtual address. */
4535 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
4536 if (!phba
->ctrl_regs_memmap_p
) {
4537 dev_printk(KERN_ERR
, &pdev
->dev
,
4538 "ioremap failed for HBA control registers.\n");
4539 goto out_iounmap_slim
;
4542 /* Allocate memory for SLI-2 structures */
4543 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
4547 if (!phba
->slim2p
.virt
)
4550 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
4551 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
4552 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
4553 phba
->IOCBs
= (phba
->slim2p
.virt
+
4554 offsetof(struct lpfc_sli2_slim
, IOCBs
));
4556 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
4557 lpfc_sli_hbq_size(),
4558 &phba
->hbqslimp
.phys
,
4560 if (!phba
->hbqslimp
.virt
)
4563 hbq_count
= lpfc_sli_hbq_count();
4564 ptr
= phba
->hbqslimp
.virt
;
4565 for (i
= 0; i
< hbq_count
; ++i
) {
4566 phba
->hbqs
[i
].hbq_virt
= ptr
;
4567 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4568 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
4569 sizeof(struct lpfc_hbq_entry
));
4571 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
4572 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
4574 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
4576 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4578 phba
->MBslimaddr
= phba
->slim_memmap_p
;
4579 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
4580 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
4581 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
4582 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
4587 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4588 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4590 iounmap(phba
->ctrl_regs_memmap_p
);
4592 iounmap(phba
->slim_memmap_p
);
4598 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4599 * @phba: pointer to lpfc hba data structure.
4601 * This routine is invoked to unset the PCI device memory space for device
4602 * with SLI-3 interface spec.
4605 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
4607 struct pci_dev
*pdev
;
4609 /* Obtain PCI device reference */
4613 pdev
= phba
->pcidev
;
4615 /* Free coherent DMA memory allocated */
4616 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
4617 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
4618 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4619 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4621 /* I/O memory unmap */
4622 iounmap(phba
->ctrl_regs_memmap_p
);
4623 iounmap(phba
->slim_memmap_p
);
4629 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4630 * @phba: pointer to lpfc hba data structure.
4632 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4633 * done and check status.
4635 * Return 0 if successful, otherwise -ENODEV.
4638 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
4640 struct lpfc_register sta_reg
, uerrlo_reg
, uerrhi_reg
, scratchpad
;
4641 int i
, port_error
= -ENODEV
;
4643 if (!phba
->sli4_hba
.STAregaddr
)
4646 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4647 for (i
= 0; i
< 3000; i
++) {
4648 sta_reg
.word0
= readl(phba
->sli4_hba
.STAregaddr
);
4649 /* Encounter fatal POST error, break out */
4650 if (bf_get(lpfc_hst_state_perr
, &sta_reg
)) {
4651 port_error
= -ENODEV
;
4654 if (LPFC_POST_STAGE_ARMFW_READY
==
4655 bf_get(lpfc_hst_state_port_status
, &sta_reg
)) {
4663 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4664 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4665 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4666 "dl=x%x, pstatus=x%x\n", sta_reg
.word0
,
4667 bf_get(lpfc_hst_state_perr
, &sta_reg
),
4668 bf_get(lpfc_hst_state_sfi
, &sta_reg
),
4669 bf_get(lpfc_hst_state_nip
, &sta_reg
),
4670 bf_get(lpfc_hst_state_ipc
, &sta_reg
),
4671 bf_get(lpfc_hst_state_xrom
, &sta_reg
),
4672 bf_get(lpfc_hst_state_dl
, &sta_reg
),
4673 bf_get(lpfc_hst_state_port_status
, &sta_reg
));
4675 /* Log device information */
4676 scratchpad
.word0
= readl(phba
->sli4_hba
.SCRATCHPADregaddr
);
4677 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4678 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4679 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4680 bf_get(lpfc_scratchpad_chiptype
, &scratchpad
),
4681 bf_get(lpfc_scratchpad_slirev
, &scratchpad
),
4682 bf_get(lpfc_scratchpad_featurelevel1
, &scratchpad
),
4683 bf_get(lpfc_scratchpad_featurelevel2
, &scratchpad
));
4684 phba
->sli4_hba
.ue_mask_lo
= readl(phba
->sli4_hba
.UEMASKLOregaddr
);
4685 phba
->sli4_hba
.ue_mask_hi
= readl(phba
->sli4_hba
.UEMASKHIregaddr
);
4686 /* With uncoverable error, log the error message and return error */
4687 uerrlo_reg
.word0
= readl(phba
->sli4_hba
.UERRLOregaddr
);
4688 uerrhi_reg
.word0
= readl(phba
->sli4_hba
.UERRHIregaddr
);
4689 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
4690 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
4691 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4692 "1422 HBA Unrecoverable error: "
4693 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4694 "ue_mask_lo_reg=0x%x, ue_mask_hi_reg=0x%x\n",
4695 uerrlo_reg
.word0
, uerrhi_reg
.word0
,
4696 phba
->sli4_hba
.ue_mask_lo
,
4697 phba
->sli4_hba
.ue_mask_hi
);
4705 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4706 * @phba: pointer to lpfc hba data structure.
4708 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4712 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
)
4714 phba
->sli4_hba
.UERRLOregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4715 LPFC_UERR_STATUS_LO
;
4716 phba
->sli4_hba
.UERRHIregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4717 LPFC_UERR_STATUS_HI
;
4718 phba
->sli4_hba
.UEMASKLOregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4720 phba
->sli4_hba
.UEMASKHIregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4722 phba
->sli4_hba
.SCRATCHPADregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4727 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4728 * @phba: pointer to lpfc hba data structure.
4730 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4734 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
4737 phba
->sli4_hba
.STAregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4739 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4741 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4743 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4749 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4750 * @phba: pointer to lpfc hba data structure.
4751 * @vf: virtual function number
4753 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4754 * based on the given viftual function number, @vf.
4756 * Return 0 if successful, otherwise -ENODEV.
4759 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
4761 if (vf
> LPFC_VIR_FUNC_MAX
)
4764 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4765 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
4766 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4767 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
4768 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4769 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
4770 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4771 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
4772 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4773 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
4778 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4779 * @phba: pointer to lpfc hba data structure.
4781 * This routine is invoked to create the bootstrap mailbox
4782 * region consistent with the SLI-4 interface spec. This
4783 * routine allocates all memory necessary to communicate
4784 * mailbox commands to the port and sets up all alignment
4785 * needs. No locks are expected to be held when calling
4790 * ENOMEM - could not allocated memory.
4793 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
4796 struct lpfc_dmabuf
*dmabuf
;
4797 struct dma_address
*dma_address
;
4801 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4806 * The bootstrap mailbox region is comprised of 2 parts
4807 * plus an alignment restriction of 16 bytes.
4809 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
4810 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4814 if (!dmabuf
->virt
) {
4818 memset(dmabuf
->virt
, 0, bmbx_size
);
4821 * Initialize the bootstrap mailbox pointers now so that the register
4822 * operations are simple later. The mailbox dma address is required
4823 * to be 16-byte aligned. Also align the virtual memory as each
4824 * maibox is copied into the bmbx mailbox region before issuing the
4825 * command to the port.
4827 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
4828 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
4830 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
4831 LPFC_ALIGN_16_BYTE
);
4832 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
4833 LPFC_ALIGN_16_BYTE
);
4836 * Set the high and low physical addresses now. The SLI4 alignment
4837 * requirement is 16 bytes and the mailbox is posted to the port
4838 * as two 30-bit addresses. The other data is a bit marking whether
4839 * the 30-bit address is the high or low address.
4840 * Upcast bmbx aphys to 64bits so shift instruction compiles
4841 * clean on 32 bit machines.
4843 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
4844 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
4845 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
4846 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
4847 LPFC_BMBX_BIT1_ADDR_HI
);
4849 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
4850 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
4851 LPFC_BMBX_BIT1_ADDR_LO
);
4856 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4857 * @phba: pointer to lpfc hba data structure.
4859 * This routine is invoked to teardown the bootstrap mailbox
4860 * region and release all host resources. This routine requires
4861 * the caller to ensure all mailbox commands recovered, no
4862 * additional mailbox comands are sent, and interrupts are disabled
4863 * before calling this routine.
4867 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
4869 dma_free_coherent(&phba
->pcidev
->dev
,
4870 phba
->sli4_hba
.bmbx
.bmbx_size
,
4871 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
4872 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
4874 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
4875 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
4879 * lpfc_sli4_read_config - Get the config parameters.
4880 * @phba: pointer to lpfc hba data structure.
4882 * This routine is invoked to read the configuration parameters from the HBA.
4883 * The configuration parameters are used to set the base and maximum values
4884 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4885 * allocation for the port.
4889 * ENOMEM - No availble memory
4890 * EIO - The mailbox failed to complete successfully.
4893 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
4896 struct lpfc_mbx_read_config
*rd_config
;
4899 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4901 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4902 "2011 Unable to allocate memory for issuing "
4903 "SLI_CONFIG_SPECIAL mailbox command\n");
4907 lpfc_read_config(phba
, pmb
);
4909 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4910 if (rc
!= MBX_SUCCESS
) {
4911 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4912 "2012 Mailbox failed , mbxCmd x%x "
4913 "READ_CONFIG, mbxStatus x%x\n",
4914 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
4915 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
4918 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
4919 phba
->sli4_hba
.max_cfg_param
.max_xri
=
4920 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
4921 phba
->sli4_hba
.max_cfg_param
.xri_base
=
4922 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
4923 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
4924 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
4925 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
4926 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
4927 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
4928 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
4929 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
4930 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
4931 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
4932 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
4933 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
4934 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
4935 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
4936 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
4937 phba
->sli4_hba
.max_cfg_param
.fcfi_base
=
4938 bf_get(lpfc_mbx_rd_conf_fcfi_base
, rd_config
);
4939 phba
->sli4_hba
.max_cfg_param
.max_eq
=
4940 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
4941 phba
->sli4_hba
.max_cfg_param
.max_rq
=
4942 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
4943 phba
->sli4_hba
.max_cfg_param
.max_wq
=
4944 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
4945 phba
->sli4_hba
.max_cfg_param
.max_cq
=
4946 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
4947 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
4948 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
4949 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
4950 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
4951 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4952 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
4953 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
4954 phba
->max_vports
= phba
->max_vpi
;
4955 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4956 "2003 cfg params XRI(B:%d M:%d), "
4960 "FCFI(B:%d M:%d)\n",
4961 phba
->sli4_hba
.max_cfg_param
.xri_base
,
4962 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4963 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
4964 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
4965 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
4966 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
4967 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
4968 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
4969 phba
->sli4_hba
.max_cfg_param
.fcfi_base
,
4970 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
4972 mempool_free(pmb
, phba
->mbox_mem_pool
);
4974 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4975 if (phba
->cfg_hba_queue_depth
> (phba
->sli4_hba
.max_cfg_param
.max_xri
))
4976 phba
->cfg_hba_queue_depth
=
4977 phba
->sli4_hba
.max_cfg_param
.max_xri
;
4982 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4983 * @phba: pointer to lpfc hba data structure.
4985 * This routine is invoked to setup the host-side endian order to the
4986 * HBA consistent with the SLI-4 interface spec.
4990 * ENOMEM - No availble memory
4991 * EIO - The mailbox failed to complete successfully.
4994 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
4996 LPFC_MBOXQ_t
*mboxq
;
4998 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
4999 HOST_ENDIAN_HIGH_WORD1
};
5001 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5003 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5004 "0492 Unable to allocate memory for issuing "
5005 "SLI_CONFIG_SPECIAL mailbox command\n");
5010 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
5011 * words to contain special data values and no other data.
5013 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
5014 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
5015 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5016 if (rc
!= MBX_SUCCESS
) {
5017 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5018 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
5024 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5029 * lpfc_sli4_queue_create - Create all the SLI4 queues
5030 * @phba: pointer to lpfc hba data structure.
5032 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
5033 * operation. For each SLI4 queue type, the parameters such as queue entry
5034 * count (queue depth) shall be taken from the module parameter. For now,
5035 * we just use some constant number as place holder.
5039 * ENOMEM - No availble memory
5040 * EIO - The mailbox failed to complete successfully.
5043 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
5045 struct lpfc_queue
*qdesc
;
5046 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5047 int cfg_fcp_wq_count
;
5048 int cfg_fcp_eq_count
;
5051 * Sanity check for confiugred queue parameters against the run-time
5055 /* Sanity check on FCP fast-path WQ parameters */
5056 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
5057 if (cfg_fcp_wq_count
>
5058 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
5059 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
5061 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
5062 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5063 "2581 Not enough WQs (%d) from "
5064 "the pci function for supporting "
5066 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5067 phba
->cfg_fcp_wq_count
);
5070 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5071 "2582 Not enough WQs (%d) from the pci "
5072 "function for supporting the requested "
5073 "FCP WQs (%d), the actual FCP WQs can "
5074 "be supported: %d\n",
5075 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5076 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
5078 /* The actual number of FCP work queues adopted */
5079 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
5081 /* Sanity check on FCP fast-path EQ parameters */
5082 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
5083 if (cfg_fcp_eq_count
>
5084 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
5085 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
5087 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
5088 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5089 "2574 Not enough EQs (%d) from the "
5090 "pci function for supporting FCP "
5092 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5093 phba
->cfg_fcp_eq_count
);
5096 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5097 "2575 Not enough EQs (%d) from the pci "
5098 "function for supporting the requested "
5099 "FCP EQs (%d), the actual FCP EQs can "
5100 "be supported: %d\n",
5101 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5102 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
5104 /* It does not make sense to have more EQs than WQs */
5105 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
5106 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5107 "2593 The FCP EQ count(%d) cannot be greater "
5108 "than the FCP WQ count(%d), limiting the "
5109 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
5110 phba
->cfg_fcp_wq_count
,
5111 phba
->cfg_fcp_wq_count
);
5112 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
5114 /* The actual number of FCP event queues adopted */
5115 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
5116 /* The overall number of event queues used */
5117 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
5120 * Create Event Queues (EQs)
5123 /* Get EQ depth from module parameter, fake the default for now */
5124 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
5125 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
5127 /* Create slow path event queue */
5128 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5129 phba
->sli4_hba
.eq_ecount
);
5131 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5132 "0496 Failed allocate slow-path EQ\n");
5135 phba
->sli4_hba
.sp_eq
= qdesc
;
5137 /* Create fast-path FCP Event Queue(s) */
5138 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
5139 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5140 if (!phba
->sli4_hba
.fp_eq
) {
5141 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5142 "2576 Failed allocate memory for fast-path "
5143 "EQ record array\n");
5144 goto out_free_sp_eq
;
5146 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5147 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5148 phba
->sli4_hba
.eq_ecount
);
5150 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5151 "0497 Failed allocate fast-path EQ\n");
5152 goto out_free_fp_eq
;
5154 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
5158 * Create Complete Queues (CQs)
5161 /* Get CQ depth from module parameter, fake the default for now */
5162 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
5163 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
5165 /* Create slow-path Mailbox Command Complete Queue */
5166 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5167 phba
->sli4_hba
.cq_ecount
);
5169 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5170 "0500 Failed allocate slow-path mailbox CQ\n");
5171 goto out_free_fp_eq
;
5173 phba
->sli4_hba
.mbx_cq
= qdesc
;
5175 /* Create slow-path ELS Complete Queue */
5176 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5177 phba
->sli4_hba
.cq_ecount
);
5179 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5180 "0501 Failed allocate slow-path ELS CQ\n");
5181 goto out_free_mbx_cq
;
5183 phba
->sli4_hba
.els_cq
= qdesc
;
5186 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5187 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
5188 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5189 if (!phba
->sli4_hba
.fcp_cq
) {
5190 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5191 "2577 Failed allocate memory for fast-path "
5192 "CQ record array\n");
5193 goto out_free_els_cq
;
5195 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5196 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5197 phba
->sli4_hba
.cq_ecount
);
5199 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5200 "0499 Failed allocate fast-path FCP "
5201 "CQ (%d)\n", fcp_cqidx
);
5202 goto out_free_fcp_cq
;
5204 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
5207 /* Create Mailbox Command Queue */
5208 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
5209 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
5211 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
5212 phba
->sli4_hba
.mq_ecount
);
5214 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5215 "0505 Failed allocate slow-path MQ\n");
5216 goto out_free_fcp_cq
;
5218 phba
->sli4_hba
.mbx_wq
= qdesc
;
5221 * Create all the Work Queues (WQs)
5223 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
5224 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
5226 /* Create slow-path ELS Work Queue */
5227 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5228 phba
->sli4_hba
.wq_ecount
);
5230 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5231 "0504 Failed allocate slow-path ELS WQ\n");
5232 goto out_free_mbx_wq
;
5234 phba
->sli4_hba
.els_wq
= qdesc
;
5236 /* Create fast-path FCP Work Queue(s) */
5237 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
5238 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
5239 if (!phba
->sli4_hba
.fcp_wq
) {
5240 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5241 "2578 Failed allocate memory for fast-path "
5242 "WQ record array\n");
5243 goto out_free_els_wq
;
5245 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5246 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5247 phba
->sli4_hba
.wq_ecount
);
5249 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5250 "0503 Failed allocate fast-path FCP "
5251 "WQ (%d)\n", fcp_wqidx
);
5252 goto out_free_fcp_wq
;
5254 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
5258 * Create Receive Queue (RQ)
5260 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
5261 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
5263 /* Create Receive Queue for header */
5264 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5265 phba
->sli4_hba
.rq_ecount
);
5267 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5268 "0506 Failed allocate receive HRQ\n");
5269 goto out_free_fcp_wq
;
5271 phba
->sli4_hba
.hdr_rq
= qdesc
;
5273 /* Create Receive Queue for data */
5274 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5275 phba
->sli4_hba
.rq_ecount
);
5277 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5278 "0507 Failed allocate receive DRQ\n");
5279 goto out_free_hdr_rq
;
5281 phba
->sli4_hba
.dat_rq
= qdesc
;
5286 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5287 phba
->sli4_hba
.hdr_rq
= NULL
;
5289 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
5290 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5291 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
5293 kfree(phba
->sli4_hba
.fcp_wq
);
5295 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5296 phba
->sli4_hba
.els_wq
= NULL
;
5298 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5299 phba
->sli4_hba
.mbx_wq
= NULL
;
5301 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
5302 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5303 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
5305 kfree(phba
->sli4_hba
.fcp_cq
);
5307 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5308 phba
->sli4_hba
.els_cq
= NULL
;
5310 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5311 phba
->sli4_hba
.mbx_cq
= NULL
;
5313 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
5314 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5315 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
5317 kfree(phba
->sli4_hba
.fp_eq
);
5319 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5320 phba
->sli4_hba
.sp_eq
= NULL
;
5326 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5327 * @phba: pointer to lpfc hba data structure.
5329 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5334 * ENOMEM - No availble memory
5335 * EIO - The mailbox failed to complete successfully.
5338 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
5342 /* Release mailbox command work queue */
5343 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5344 phba
->sli4_hba
.mbx_wq
= NULL
;
5346 /* Release ELS work queue */
5347 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5348 phba
->sli4_hba
.els_wq
= NULL
;
5350 /* Release FCP work queue */
5351 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5352 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5353 kfree(phba
->sli4_hba
.fcp_wq
);
5354 phba
->sli4_hba
.fcp_wq
= NULL
;
5356 /* Release unsolicited receive queue */
5357 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5358 phba
->sli4_hba
.hdr_rq
= NULL
;
5359 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
5360 phba
->sli4_hba
.dat_rq
= NULL
;
5362 /* Release ELS complete queue */
5363 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5364 phba
->sli4_hba
.els_cq
= NULL
;
5366 /* Release mailbox command complete queue */
5367 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5368 phba
->sli4_hba
.mbx_cq
= NULL
;
5370 /* Release FCP response complete queue */
5371 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5372 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5373 kfree(phba
->sli4_hba
.fcp_cq
);
5374 phba
->sli4_hba
.fcp_cq
= NULL
;
5376 /* Release fast-path event queue */
5377 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5378 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5379 kfree(phba
->sli4_hba
.fp_eq
);
5380 phba
->sli4_hba
.fp_eq
= NULL
;
5382 /* Release slow-path event queue */
5383 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5384 phba
->sli4_hba
.sp_eq
= NULL
;
5390 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5391 * @phba: pointer to lpfc hba data structure.
5393 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5398 * ENOMEM - No availble memory
5399 * EIO - The mailbox failed to complete successfully.
5402 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
5405 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5406 int fcp_cq_index
= 0;
5409 * Set up Event Queues (EQs)
5412 /* Set up slow-path event queue */
5413 if (!phba
->sli4_hba
.sp_eq
) {
5414 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5415 "0520 Slow-path EQ not allocated\n");
5418 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
5421 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5422 "0521 Failed setup of slow-path EQ: "
5426 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5427 "2583 Slow-path EQ setup: queue-id=%d\n",
5428 phba
->sli4_hba
.sp_eq
->queue_id
);
5430 /* Set up fast-path event queue */
5431 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5432 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
5433 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5434 "0522 Fast-path EQ (%d) not "
5435 "allocated\n", fcp_eqidx
);
5436 goto out_destroy_fp_eq
;
5438 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
5439 phba
->cfg_fcp_imax
);
5441 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5442 "0523 Failed setup of fast-path EQ "
5443 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
5444 goto out_destroy_fp_eq
;
5446 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5447 "2584 Fast-path EQ setup: "
5448 "queue[%d]-id=%d\n", fcp_eqidx
,
5449 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
5453 * Set up Complete Queues (CQs)
5456 /* Set up slow-path MBOX Complete Queue as the first CQ */
5457 if (!phba
->sli4_hba
.mbx_cq
) {
5458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5459 "0528 Mailbox CQ not allocated\n");
5460 goto out_destroy_fp_eq
;
5462 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
5463 LPFC_MCQ
, LPFC_MBOX
);
5465 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5466 "0529 Failed setup of slow-path mailbox CQ: "
5468 goto out_destroy_fp_eq
;
5470 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5471 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5472 phba
->sli4_hba
.mbx_cq
->queue_id
,
5473 phba
->sli4_hba
.sp_eq
->queue_id
);
5475 /* Set up slow-path ELS Complete Queue */
5476 if (!phba
->sli4_hba
.els_cq
) {
5477 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5478 "0530 ELS CQ not allocated\n");
5479 goto out_destroy_mbx_cq
;
5481 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
5482 LPFC_WCQ
, LPFC_ELS
);
5484 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5485 "0531 Failed setup of slow-path ELS CQ: "
5487 goto out_destroy_mbx_cq
;
5489 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5490 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5491 phba
->sli4_hba
.els_cq
->queue_id
,
5492 phba
->sli4_hba
.sp_eq
->queue_id
);
5494 /* Set up fast-path FCP Response Complete Queue */
5495 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5496 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
5497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5498 "0526 Fast-path FCP CQ (%d) not "
5499 "allocated\n", fcp_cqidx
);
5500 goto out_destroy_fcp_cq
;
5502 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
5503 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
5504 LPFC_WCQ
, LPFC_FCP
);
5506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5507 "0527 Failed setup of fast-path FCP "
5508 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
5509 goto out_destroy_fcp_cq
;
5511 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5512 "2588 FCP CQ setup: cq[%d]-id=%d, "
5513 "parent eq[%d]-id=%d\n",
5515 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
5517 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
);
5521 * Set up all the Work Queues (WQs)
5524 /* Set up Mailbox Command Queue */
5525 if (!phba
->sli4_hba
.mbx_wq
) {
5526 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5527 "0538 Slow-path MQ not allocated\n");
5528 goto out_destroy_fcp_cq
;
5530 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
5531 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
5533 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5534 "0539 Failed setup of slow-path MQ: "
5536 goto out_destroy_fcp_cq
;
5538 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5539 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5540 phba
->sli4_hba
.mbx_wq
->queue_id
,
5541 phba
->sli4_hba
.mbx_cq
->queue_id
);
5543 /* Set up slow-path ELS Work Queue */
5544 if (!phba
->sli4_hba
.els_wq
) {
5545 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5546 "0536 Slow-path ELS WQ not allocated\n");
5547 goto out_destroy_mbx_wq
;
5549 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
5550 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
5552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5553 "0537 Failed setup of slow-path ELS WQ: "
5555 goto out_destroy_mbx_wq
;
5557 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5558 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5559 phba
->sli4_hba
.els_wq
->queue_id
,
5560 phba
->sli4_hba
.els_cq
->queue_id
);
5562 /* Set up fast-path FCP Work Queue */
5563 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5564 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
5565 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5566 "0534 Fast-path FCP WQ (%d) not "
5567 "allocated\n", fcp_wqidx
);
5568 goto out_destroy_fcp_wq
;
5570 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
5571 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
5574 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5575 "0535 Failed setup of fast-path FCP "
5576 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
5577 goto out_destroy_fcp_wq
;
5579 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5580 "2591 FCP WQ setup: wq[%d]-id=%d, "
5581 "parent cq[%d]-id=%d\n",
5583 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
5585 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
5586 /* Round robin FCP Work Queue's Completion Queue assignment */
5587 fcp_cq_index
= ((fcp_cq_index
+ 1) % phba
->cfg_fcp_eq_count
);
5591 * Create Receive Queue (RQ)
5593 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
5594 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5595 "0540 Receive Queue not allocated\n");
5596 goto out_destroy_fcp_wq
;
5598 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
5599 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
5601 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5602 "0541 Failed setup of Receive Queue: "
5604 goto out_destroy_fcp_wq
;
5606 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5607 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5608 "parent cq-id=%d\n",
5609 phba
->sli4_hba
.hdr_rq
->queue_id
,
5610 phba
->sli4_hba
.dat_rq
->queue_id
,
5611 phba
->sli4_hba
.els_cq
->queue_id
);
5615 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
5616 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5617 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5619 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5621 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
5622 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5623 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5625 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5627 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
5628 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5629 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5635 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5636 * @phba: pointer to lpfc hba data structure.
5638 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5643 * ENOMEM - No availble memory
5644 * EIO - The mailbox failed to complete successfully.
5647 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
5651 /* Unset mailbox command work queue */
5652 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5653 /* Unset ELS work queue */
5654 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5655 /* Unset unsolicited receive queue */
5656 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
5657 /* Unset FCP work queue */
5658 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5659 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5660 /* Unset mailbox command complete queue */
5661 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5662 /* Unset ELS complete queue */
5663 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5664 /* Unset FCP response complete queue */
5665 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5666 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5667 /* Unset fast-path event queue */
5668 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5669 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5670 /* Unset slow-path event queue */
5671 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5675 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5676 * @phba: pointer to lpfc hba data structure.
5678 * This routine is invoked to allocate and set up a pool of completion queue
5679 * events. The body of the completion queue event is a completion queue entry
5680 * CQE. For now, this pool is used for the interrupt service routine to queue
5681 * the following HBA completion queue events for the worker thread to process:
5682 * - Mailbox asynchronous events
5683 * - Receive queue completion unsolicited events
5684 * Later, this can be used for all the slow-path events.
5688 * -ENOMEM - No availble memory
5691 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
5693 struct lpfc_cq_event
*cq_event
;
5696 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
5697 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
5699 goto out_pool_create_fail
;
5700 list_add_tail(&cq_event
->list
,
5701 &phba
->sli4_hba
.sp_cqe_event_pool
);
5705 out_pool_create_fail
:
5706 lpfc_sli4_cq_event_pool_destroy(phba
);
5711 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5712 * @phba: pointer to lpfc hba data structure.
5714 * This routine is invoked to free the pool of completion queue events at
5715 * driver unload time. Note that, it is the responsibility of the driver
5716 * cleanup routine to free all the outstanding completion-queue events
5717 * allocated from this pool back into the pool before invoking this routine
5718 * to destroy the pool.
5721 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
5723 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
5725 list_for_each_entry_safe(cq_event
, next_cq_event
,
5726 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
5727 list_del(&cq_event
->list
);
5733 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5734 * @phba: pointer to lpfc hba data structure.
5736 * This routine is the lock free version of the API invoked to allocate a
5737 * completion-queue event from the free pool.
5739 * Return: Pointer to the newly allocated completion-queue event if successful
5742 struct lpfc_cq_event
*
5743 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5745 struct lpfc_cq_event
*cq_event
= NULL
;
5747 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
5748 struct lpfc_cq_event
, list
);
5753 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5754 * @phba: pointer to lpfc hba data structure.
5756 * This routine is the lock version of the API invoked to allocate a
5757 * completion-queue event from the free pool.
5759 * Return: Pointer to the newly allocated completion-queue event if successful
5762 struct lpfc_cq_event
*
5763 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5765 struct lpfc_cq_event
*cq_event
;
5766 unsigned long iflags
;
5768 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5769 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
5770 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5775 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5776 * @phba: pointer to lpfc hba data structure.
5777 * @cq_event: pointer to the completion queue event to be freed.
5779 * This routine is the lock free version of the API invoked to release a
5780 * completion-queue event back into the free pool.
5783 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5784 struct lpfc_cq_event
*cq_event
)
5786 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
5790 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5791 * @phba: pointer to lpfc hba data structure.
5792 * @cq_event: pointer to the completion queue event to be freed.
5794 * This routine is the lock version of the API invoked to release a
5795 * completion-queue event back into the free pool.
5798 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5799 struct lpfc_cq_event
*cq_event
)
5801 unsigned long iflags
;
5802 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5803 __lpfc_sli4_cq_event_release(phba
, cq_event
);
5804 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5808 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5809 * @phba: pointer to lpfc hba data structure.
5811 * This routine is to free all the pending completion-queue events to the
5812 * back into the free pool for device reset.
5815 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
5818 struct lpfc_cq_event
*cqe
;
5819 unsigned long iflags
;
5821 /* Retrieve all the pending WCQEs from pending WCQE lists */
5822 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5823 /* Pending FCP XRI abort events */
5824 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
5826 /* Pending ELS XRI abort events */
5827 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
5829 /* Pending asynnc events */
5830 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
5832 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5834 while (!list_empty(&cqelist
)) {
5835 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
5836 lpfc_sli4_cq_event_release(phba
, cqe
);
5841 * lpfc_pci_function_reset - Reset pci function.
5842 * @phba: pointer to lpfc hba data structure.
5844 * This routine is invoked to request a PCI function reset. It will destroys
5845 * all resources assigned to the PCI function which originates this request.
5849 * ENOMEM - No availble memory
5850 * EIO - The mailbox failed to complete successfully.
5853 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
5855 LPFC_MBOXQ_t
*mboxq
;
5857 uint32_t shdr_status
, shdr_add_status
;
5858 union lpfc_sli4_cfg_shdr
*shdr
;
5860 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5862 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5863 "0494 Unable to allocate memory for issuing "
5864 "SLI_FUNCTION_RESET mailbox command\n");
5868 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5869 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5870 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
5871 LPFC_SLI4_MBX_EMBED
);
5872 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5873 shdr
= (union lpfc_sli4_cfg_shdr
*)
5874 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5875 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5876 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5877 if (rc
!= MBX_TIMEOUT
)
5878 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5879 if (shdr_status
|| shdr_add_status
|| rc
) {
5880 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5881 "0495 SLI_FUNCTION_RESET mailbox failed with "
5882 "status x%x add_status x%x, mbx status x%x\n",
5883 shdr_status
, shdr_add_status
, rc
);
5890 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5891 * @phba: pointer to lpfc hba data structure.
5892 * @cnt: number of nop mailbox commands to send.
5894 * This routine is invoked to send a number @cnt of NOP mailbox command and
5895 * wait for each command to complete.
5897 * Return: the number of NOP mailbox command completed.
5900 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
5902 LPFC_MBOXQ_t
*mboxq
;
5903 int length
, cmdsent
;
5906 uint32_t shdr_status
, shdr_add_status
;
5907 union lpfc_sli4_cfg_shdr
*shdr
;
5910 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5911 "2518 Requested to send 0 NOP mailbox cmd\n");
5915 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5918 "2519 Unable to allocate memory for issuing "
5919 "NOP mailbox command\n");
5923 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5924 length
= (sizeof(struct lpfc_mbx_nop
) -
5925 sizeof(struct lpfc_sli4_cfg_mhdr
));
5926 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5927 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
5929 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5930 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
5931 if (!phba
->sli4_hba
.intr_enable
)
5932 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5934 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
5935 if (rc
== MBX_TIMEOUT
)
5937 /* Check return status */
5938 shdr
= (union lpfc_sli4_cfg_shdr
*)
5939 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5940 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5941 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
5943 if (shdr_status
|| shdr_add_status
|| rc
) {
5944 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5945 "2520 NOP mailbox command failed "
5946 "status x%x add_status x%x mbx "
5947 "status x%x\n", shdr_status
,
5948 shdr_add_status
, rc
);
5953 if (rc
!= MBX_TIMEOUT
)
5954 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5960 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5961 * @phba: pointer to lpfc hba data structure.
5964 * This routine is invoked to unregister a FCFI from device.
5967 lpfc_sli4_fcfi_unreg(struct lpfc_hba
*phba
, uint16_t fcfi
)
5972 unsigned long flags
;
5974 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5979 lpfc_unreg_fcfi(mbox
, fcfi
);
5981 if (!phba
->sli4_hba
.intr_enable
)
5982 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5984 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5985 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5987 if (rc
!= MBX_TIMEOUT
)
5988 mempool_free(mbox
, phba
->mbox_mem_pool
);
5989 if (rc
!= MBX_SUCCESS
)
5990 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5991 "2517 Unregister FCFI command failed "
5992 "status %d, mbxStatus x%x\n", rc
,
5993 bf_get(lpfc_mqe_status
, &mbox
->u
.mqe
));
5995 spin_lock_irqsave(&phba
->hbalock
, flags
);
5996 /* Mark the FCFI is no longer registered */
5997 phba
->fcf
.fcf_flag
&=
5998 ~(FCF_AVAILABLE
| FCF_REGISTERED
| FCF_DISCOVERED
);
5999 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
6004 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
6005 * @phba: pointer to lpfc hba data structure.
6007 * This routine is invoked to set up the PCI device memory space for device
6008 * with SLI-4 interface spec.
6012 * other values - error
6015 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
6017 struct pci_dev
*pdev
;
6018 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
6019 int error
= -ENODEV
;
6021 /* Obtain PCI device reference */
6025 pdev
= phba
->pcidev
;
6027 /* Set the device DMA mask size */
6028 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6029 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6030 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6031 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6036 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
6037 * number of bytes required by each mapping. They are actually
6038 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
6040 phba
->pci_bar0_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR0
);
6041 bar0map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR0
);
6043 phba
->pci_bar1_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR1
);
6044 bar1map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR1
);
6046 phba
->pci_bar2_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR2
);
6047 bar2map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR2
);
6049 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
6050 phba
->sli4_hba
.conf_regs_memmap_p
=
6051 ioremap(phba
->pci_bar0_map
, bar0map_len
);
6052 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
6053 dev_printk(KERN_ERR
, &pdev
->dev
,
6054 "ioremap failed for SLI4 PCI config registers.\n");
6058 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
6059 phba
->sli4_hba
.ctrl_regs_memmap_p
=
6060 ioremap(phba
->pci_bar1_map
, bar1map_len
);
6061 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
6062 dev_printk(KERN_ERR
, &pdev
->dev
,
6063 "ioremap failed for SLI4 HBA control registers.\n");
6064 goto out_iounmap_conf
;
6067 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
6068 phba
->sli4_hba
.drbl_regs_memmap_p
=
6069 ioremap(phba
->pci_bar2_map
, bar2map_len
);
6070 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
6071 dev_printk(KERN_ERR
, &pdev
->dev
,
6072 "ioremap failed for SLI4 HBA doorbell registers.\n");
6073 goto out_iounmap_ctrl
;
6076 /* Set up BAR0 PCI config space register memory map */
6077 lpfc_sli4_bar0_register_memmap(phba
);
6079 /* Set up BAR1 register memory map */
6080 lpfc_sli4_bar1_register_memmap(phba
);
6082 /* Set up BAR2 register memory map */
6083 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
6085 goto out_iounmap_all
;
6090 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6092 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6094 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6100 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6101 * @phba: pointer to lpfc hba data structure.
6103 * This routine is invoked to unset the PCI device memory space for device
6104 * with SLI-4 interface spec.
6107 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
6109 struct pci_dev
*pdev
;
6111 /* Obtain PCI device reference */
6115 pdev
= phba
->pcidev
;
6117 /* Free coherent DMA memory allocated */
6119 /* Unmap I/O memory space */
6120 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6121 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6122 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6128 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6129 * @phba: pointer to lpfc hba data structure.
6131 * This routine is invoked to enable the MSI-X interrupt vectors to device
6132 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6133 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6134 * invoked, enables either all or nothing, depending on the current
6135 * availability of PCI vector resources. The device driver is responsible
6136 * for calling the individual request_irq() to register each MSI-X vector
6137 * with a interrupt handler, which is done in this function. Note that
6138 * later when device is unloading, the driver should always call free_irq()
6139 * on all MSI-X vectors it has done request_irq() on before calling
6140 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6141 * will be left with MSI-X enabled and leaks its vectors.
6145 * other values - error
6148 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
6153 /* Set up MSI-X multi-message vectors */
6154 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6155 phba
->msix_entries
[i
].entry
= i
;
6157 /* Configure MSI-X capability structure */
6158 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
6159 ARRAY_SIZE(phba
->msix_entries
));
6161 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6162 "0420 PCI enable MSI-X failed (%d)\n", rc
);
6165 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6166 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6167 "0477 MSI-X entry[%d]: vector=x%x "
6169 phba
->msix_entries
[i
].vector
,
6170 phba
->msix_entries
[i
].entry
);
6172 * Assign MSI-X vectors to interrupt handlers
6175 /* vector-0 is associated to slow-path handler */
6176 rc
= request_irq(phba
->msix_entries
[0].vector
,
6177 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
6178 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6180 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6181 "0421 MSI-X slow-path request_irq failed "
6186 /* vector-1 is associated to fast-path handler */
6187 rc
= request_irq(phba
->msix_entries
[1].vector
,
6188 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
6189 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
6192 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6193 "0429 MSI-X fast-path request_irq failed "
6199 * Configure HBA MSI-X attention conditions to messages
6201 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6206 "0474 Unable to allocate memory for issuing "
6207 "MBOX_CONFIG_MSI command\n");
6210 rc
= lpfc_config_msi(phba
, pmb
);
6213 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6214 if (rc
!= MBX_SUCCESS
) {
6215 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
6216 "0351 Config MSI mailbox command failed, "
6217 "mbxCmd x%x, mbxStatus x%x\n",
6218 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
6222 /* Free memory allocated for mailbox command */
6223 mempool_free(pmb
, phba
->mbox_mem_pool
);
6227 /* Free memory allocated for mailbox command */
6228 mempool_free(pmb
, phba
->mbox_mem_pool
);
6231 /* free the irq already requested */
6232 free_irq(phba
->msix_entries
[1].vector
, phba
);
6235 /* free the irq already requested */
6236 free_irq(phba
->msix_entries
[0].vector
, phba
);
6239 /* Unconfigure MSI-X capability structure */
6240 pci_disable_msix(phba
->pcidev
);
6245 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6246 * @phba: pointer to lpfc hba data structure.
6248 * This routine is invoked to release the MSI-X vectors and then disable the
6249 * MSI-X interrupt mode to device with SLI-3 interface spec.
6252 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
6256 /* Free up MSI-X multi-message vectors */
6257 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6258 free_irq(phba
->msix_entries
[i
].vector
, phba
);
6260 pci_disable_msix(phba
->pcidev
);
6266 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6267 * @phba: pointer to lpfc hba data structure.
6269 * This routine is invoked to enable the MSI interrupt mode to device with
6270 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6271 * enable the MSI vector. The device driver is responsible for calling the
6272 * request_irq() to register MSI vector with a interrupt the handler, which
6273 * is done in this function.
6277 * other values - error
6280 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
6284 rc
= pci_enable_msi(phba
->pcidev
);
6286 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6287 "0462 PCI enable MSI mode success.\n");
6289 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6290 "0471 PCI enable MSI mode failed (%d)\n", rc
);
6294 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6295 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6297 pci_disable_msi(phba
->pcidev
);
6298 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6299 "0478 MSI request_irq failed (%d)\n", rc
);
6305 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6306 * @phba: pointer to lpfc hba data structure.
6308 * This routine is invoked to disable the MSI interrupt mode to device with
6309 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6310 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6311 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6315 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
6317 free_irq(phba
->pcidev
->irq
, phba
);
6318 pci_disable_msi(phba
->pcidev
);
6323 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6324 * @phba: pointer to lpfc hba data structure.
6326 * This routine is invoked to enable device interrupt and associate driver's
6327 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6328 * spec. Depends on the interrupt mode configured to the driver, the driver
6329 * will try to fallback from the configured interrupt mode to an interrupt
6330 * mode which is supported by the platform, kernel, and device in the order
6332 * MSI-X -> MSI -> IRQ.
6336 * other values - error
6339 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6341 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6344 if (cfg_mode
== 2) {
6345 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6346 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
6348 /* Now, try to enable MSI-X interrupt mode */
6349 retval
= lpfc_sli_enable_msix(phba
);
6351 /* Indicate initialization to MSI-X mode */
6352 phba
->intr_type
= MSIX
;
6358 /* Fallback to MSI if MSI-X initialization failed */
6359 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6360 retval
= lpfc_sli_enable_msi(phba
);
6362 /* Indicate initialization to MSI mode */
6363 phba
->intr_type
= MSI
;
6368 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6369 if (phba
->intr_type
== NONE
) {
6370 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6371 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6373 /* Indicate initialization to INTx mode */
6374 phba
->intr_type
= INTx
;
6382 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6383 * @phba: pointer to lpfc hba data structure.
6385 * This routine is invoked to disable device interrupt and disassociate the
6386 * driver's interrupt handler(s) from interrupt vector(s) to device with
6387 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6388 * release the interrupt vector(s) for the message signaled interrupt.
6391 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
6393 /* Disable the currently initialized interrupt mode */
6394 if (phba
->intr_type
== MSIX
)
6395 lpfc_sli_disable_msix(phba
);
6396 else if (phba
->intr_type
== MSI
)
6397 lpfc_sli_disable_msi(phba
);
6398 else if (phba
->intr_type
== INTx
)
6399 free_irq(phba
->pcidev
->irq
, phba
);
6401 /* Reset interrupt management states */
6402 phba
->intr_type
= NONE
;
6403 phba
->sli
.slistat
.sli_intr
= 0;
6409 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6410 * @phba: pointer to lpfc hba data structure.
6412 * This routine is invoked to enable the MSI-X interrupt vectors to device
6413 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6414 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6415 * enables either all or nothing, depending on the current availability of
6416 * PCI vector resources. The device driver is responsible for calling the
6417 * individual request_irq() to register each MSI-X vector with a interrupt
6418 * handler, which is done in this function. Note that later when device is
6419 * unloading, the driver should always call free_irq() on all MSI-X vectors
6420 * it has done request_irq() on before calling pci_disable_msix(). Failure
6421 * to do so results in a BUG_ON() and a device will be left with MSI-X
6422 * enabled and leaks its vectors.
6426 * other values - error
6429 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
6433 /* Set up MSI-X multi-message vectors */
6434 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6435 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
6437 /* Configure MSI-X capability structure */
6438 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
6439 phba
->sli4_hba
.cfg_eqn
);
6441 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6442 "0484 PCI enable MSI-X failed (%d)\n", rc
);
6445 /* Log MSI-X vector assignment */
6446 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6447 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6448 "0489 MSI-X entry[%d]: vector=x%x "
6449 "message=%d\n", index
,
6450 phba
->sli4_hba
.msix_entries
[index
].vector
,
6451 phba
->sli4_hba
.msix_entries
[index
].entry
);
6453 * Assign MSI-X vectors to interrupt handlers
6456 /* The first vector must associated to slow-path handler for MQ */
6457 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
6458 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
6459 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6461 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6462 "0485 MSI-X slow-path request_irq failed "
6467 /* The rest of the vector(s) are associated to fast-path handler(s) */
6468 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++) {
6469 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
6470 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
6471 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6472 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
6473 LPFC_FP_DRIVER_HANDLER_NAME
,
6474 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6476 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6477 "0486 MSI-X fast-path (%d) "
6478 "request_irq failed (%d)\n", index
, rc
);
6486 /* free the irq already requested */
6487 for (--index
; index
>= 1; index
--)
6488 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
6489 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6491 /* free the irq already requested */
6492 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6495 /* Unconfigure MSI-X capability structure */
6496 pci_disable_msix(phba
->pcidev
);
6501 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6502 * @phba: pointer to lpfc hba data structure.
6504 * This routine is invoked to release the MSI-X vectors and then disable the
6505 * MSI-X interrupt mode to device with SLI-4 interface spec.
6508 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
6512 /* Free up MSI-X multi-message vectors */
6513 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6515 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6516 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6517 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6519 pci_disable_msix(phba
->pcidev
);
6525 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6526 * @phba: pointer to lpfc hba data structure.
6528 * This routine is invoked to enable the MSI interrupt mode to device with
6529 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6530 * to enable the MSI vector. The device driver is responsible for calling
6531 * the request_irq() to register MSI vector with a interrupt the handler,
6532 * which is done in this function.
6536 * other values - error
6539 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
6543 rc
= pci_enable_msi(phba
->pcidev
);
6545 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6546 "0487 PCI enable MSI mode success.\n");
6548 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6549 "0488 PCI enable MSI mode failed (%d)\n", rc
);
6553 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6554 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6556 pci_disable_msi(phba
->pcidev
);
6557 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6558 "0490 MSI request_irq failed (%d)\n", rc
);
6561 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
6562 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6563 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6570 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6571 * @phba: pointer to lpfc hba data structure.
6573 * This routine is invoked to disable the MSI interrupt mode to device with
6574 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6575 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6576 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6580 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
6582 free_irq(phba
->pcidev
->irq
, phba
);
6583 pci_disable_msi(phba
->pcidev
);
6588 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6589 * @phba: pointer to lpfc hba data structure.
6591 * This routine is invoked to enable device interrupt and associate driver's
6592 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6593 * interface spec. Depends on the interrupt mode configured to the driver,
6594 * the driver will try to fallback from the configured interrupt mode to an
6595 * interrupt mode which is supported by the platform, kernel, and device in
6597 * MSI-X -> MSI -> IRQ.
6601 * other values - error
6604 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6606 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6609 if (cfg_mode
== 2) {
6610 /* Preparation before conf_msi mbox cmd */
6613 /* Now, try to enable MSI-X interrupt mode */
6614 retval
= lpfc_sli4_enable_msix(phba
);
6616 /* Indicate initialization to MSI-X mode */
6617 phba
->intr_type
= MSIX
;
6623 /* Fallback to MSI if MSI-X initialization failed */
6624 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6625 retval
= lpfc_sli4_enable_msi(phba
);
6627 /* Indicate initialization to MSI mode */
6628 phba
->intr_type
= MSI
;
6633 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6634 if (phba
->intr_type
== NONE
) {
6635 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6636 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6638 /* Indicate initialization to INTx mode */
6639 phba
->intr_type
= INTx
;
6641 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
6643 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6644 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6652 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6653 * @phba: pointer to lpfc hba data structure.
6655 * This routine is invoked to disable device interrupt and disassociate
6656 * the driver's interrupt handler(s) from interrupt vector(s) to device
6657 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6658 * will release the interrupt vector(s) for the message signaled interrupt.
6661 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
6663 /* Disable the currently initialized interrupt mode */
6664 if (phba
->intr_type
== MSIX
)
6665 lpfc_sli4_disable_msix(phba
);
6666 else if (phba
->intr_type
== MSI
)
6667 lpfc_sli4_disable_msi(phba
);
6668 else if (phba
->intr_type
== INTx
)
6669 free_irq(phba
->pcidev
->irq
, phba
);
6671 /* Reset interrupt management states */
6672 phba
->intr_type
= NONE
;
6673 phba
->sli
.slistat
.sli_intr
= 0;
6679 * lpfc_unset_hba - Unset SLI3 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-3 interface spec.
6686 lpfc_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 lpfc_stop_hba_timers(phba
);
6697 phba
->pport
->work_port_events
= 0;
6699 lpfc_sli_hba_down(phba
);
6701 lpfc_sli_brdrestart(phba
);
6703 lpfc_sli_disable_intr(phba
);
6709 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6710 * @phba: pointer to lpfc hba data structure.
6712 * This routine is invoked to unset the HBA device initialization steps to
6713 * a device with SLI-4 interface spec.
6716 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
6718 struct lpfc_vport
*vport
= phba
->pport
;
6719 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6721 spin_lock_irq(shost
->host_lock
);
6722 vport
->load_flag
|= FC_UNLOADING
;
6723 spin_unlock_irq(shost
->host_lock
);
6725 phba
->pport
->work_port_events
= 0;
6727 lpfc_sli4_hba_down(phba
);
6729 lpfc_sli4_disable_intr(phba
);
6735 * lpfc_sli4_hba_unset - Unset the fcoe hba
6736 * @phba: Pointer to HBA context object.
6738 * This function is called in the SLI4 code path to reset the HBA's FCoE
6739 * function. The caller is not required to hold any lock. This routine
6740 * issues PCI function reset mailbox command to reset the FCoE function.
6741 * At the end of the function, it calls lpfc_hba_down_post function to
6742 * free any pending commands.
6745 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
6748 LPFC_MBOXQ_t
*mboxq
;
6750 lpfc_stop_hba_timers(phba
);
6751 phba
->sli4_hba
.intr_enable
= 0;
6754 * Gracefully wait out the potential current outstanding asynchronous
6758 /* First, block any pending async mailbox command from posted */
6759 spin_lock_irq(&phba
->hbalock
);
6760 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
6761 spin_unlock_irq(&phba
->hbalock
);
6762 /* Now, trying to wait it out if we can */
6763 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6765 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
6768 /* Forcefully release the outstanding mailbox command if timed out */
6769 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6770 spin_lock_irq(&phba
->hbalock
);
6771 mboxq
= phba
->sli
.mbox_active
;
6772 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
6773 __lpfc_mbox_cmpl_put(phba
, mboxq
);
6774 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6775 phba
->sli
.mbox_active
= NULL
;
6776 spin_unlock_irq(&phba
->hbalock
);
6779 /* Tear down the queues in the HBA */
6780 lpfc_sli4_queue_unset(phba
);
6782 /* Disable PCI subsystem interrupt */
6783 lpfc_sli4_disable_intr(phba
);
6785 /* Stop kthread signal shall trigger work_done one more time */
6786 kthread_stop(phba
->worker_thread
);
6788 /* Stop the SLI4 device port */
6789 phba
->pport
->work_port_events
= 0;
6793 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6794 * @pdev: pointer to PCI device
6795 * @pid: pointer to PCI device identifier
6797 * This routine is to be called to attach a device with SLI-3 interface spec
6798 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6799 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6800 * information of the device and driver to see if the driver state that it can
6801 * support this kind of device. If the match is successful, the driver core
6802 * invokes this routine. If this routine determines it can claim the HBA, it
6803 * does all the initialization that it needs to do to handle the HBA properly.
6806 * 0 - driver can claim the device
6807 * negative value - driver can not claim the device
6809 static int __devinit
6810 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
6812 struct lpfc_hba
*phba
;
6813 struct lpfc_vport
*vport
= NULL
;
6814 struct Scsi_Host
*shost
= NULL
;
6816 uint32_t cfg_mode
, intr_mode
;
6818 /* Allocate memory for HBA structure */
6819 phba
= lpfc_hba_alloc(pdev
);
6823 /* Perform generic PCI device enabling operation */
6824 error
= lpfc_enable_pci_dev(phba
);
6826 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6827 "1401 Failed to enable pci device.\n");
6831 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6832 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
6834 goto out_disable_pci_dev
;
6836 /* Set up SLI-3 specific device PCI memory space */
6837 error
= lpfc_sli_pci_mem_setup(phba
);
6839 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6840 "1402 Failed to set up pci memory space.\n");
6841 goto out_disable_pci_dev
;
6844 /* Set up phase-1 common device driver resources */
6845 error
= lpfc_setup_driver_resource_phase1(phba
);
6847 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6848 "1403 Failed to set up driver resource.\n");
6849 goto out_unset_pci_mem_s3
;
6852 /* Set up SLI-3 specific device driver resources */
6853 error
= lpfc_sli_driver_resource_setup(phba
);
6855 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6856 "1404 Failed to set up driver resource.\n");
6857 goto out_unset_pci_mem_s3
;
6860 /* Initialize and populate the iocb list per host */
6861 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
6863 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6864 "1405 Failed to initialize iocb list.\n");
6865 goto out_unset_driver_resource_s3
;
6868 /* Set up common device driver resources */
6869 error
= lpfc_setup_driver_resource_phase2(phba
);
6871 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6872 "1406 Failed to set up driver resource.\n");
6873 goto out_free_iocb_list
;
6876 /* Create SCSI host to the physical port */
6877 error
= lpfc_create_shost(phba
);
6879 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6880 "1407 Failed to create scsi host.\n");
6881 goto out_unset_driver_resource
;
6884 /* Configure sysfs attributes */
6885 vport
= phba
->pport
;
6886 error
= lpfc_alloc_sysfs_attr(vport
);
6888 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6889 "1476 Failed to allocate sysfs attr\n");
6890 goto out_destroy_shost
;
6893 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
6894 /* Now, trying to enable interrupt and bring up the device */
6895 cfg_mode
= phba
->cfg_use_msi
;
6897 /* Put device to a known state before enabling interrupt */
6898 lpfc_stop_port(phba
);
6899 /* Configure and enable interrupt */
6900 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
6901 if (intr_mode
== LPFC_INTR_ERROR
) {
6902 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6903 "0431 Failed to enable interrupt.\n");
6905 goto out_free_sysfs_attr
;
6907 /* SLI-3 HBA setup */
6908 if (lpfc_sli_hba_setup(phba
)) {
6909 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6910 "1477 Failed to set up hba\n");
6912 goto out_remove_device
;
6915 /* Wait 50ms for the interrupts of previous mailbox commands */
6917 /* Check active interrupts on message signaled interrupts */
6918 if (intr_mode
== 0 ||
6919 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
6920 /* Log the current active interrupt mode */
6921 phba
->intr_mode
= intr_mode
;
6922 lpfc_log_intr_mode(phba
, intr_mode
);
6925 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6926 "0447 Configure interrupt mode (%d) "
6927 "failed active interrupt test.\n",
6929 /* Disable the current interrupt mode */
6930 lpfc_sli_disable_intr(phba
);
6931 /* Try next level of interrupt mode */
6932 cfg_mode
= --intr_mode
;
6936 /* Perform post initialization setup */
6937 lpfc_post_init_setup(phba
);
6939 /* Check if there are static vports to be created. */
6940 lpfc_create_static_vport(phba
);
6945 lpfc_unset_hba(phba
);
6946 out_free_sysfs_attr
:
6947 lpfc_free_sysfs_attr(vport
);
6949 lpfc_destroy_shost(phba
);
6950 out_unset_driver_resource
:
6951 lpfc_unset_driver_resource_phase2(phba
);
6953 lpfc_free_iocb_list(phba
);
6954 out_unset_driver_resource_s3
:
6955 lpfc_sli_driver_resource_unset(phba
);
6956 out_unset_pci_mem_s3
:
6957 lpfc_sli_pci_mem_unset(phba
);
6958 out_disable_pci_dev
:
6959 lpfc_disable_pci_dev(phba
);
6961 scsi_host_put(shost
);
6963 lpfc_hba_free(phba
);
6968 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6969 * @pdev: pointer to PCI device
6971 * This routine is to be called to disattach a device with SLI-3 interface
6972 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6973 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6974 * device to be removed from the PCI subsystem properly.
6976 static void __devexit
6977 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
6979 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6980 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6981 struct lpfc_vport
**vports
;
6982 struct lpfc_hba
*phba
= vport
->phba
;
6984 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
6986 spin_lock_irq(&phba
->hbalock
);
6987 vport
->load_flag
|= FC_UNLOADING
;
6988 spin_unlock_irq(&phba
->hbalock
);
6990 lpfc_free_sysfs_attr(vport
);
6992 /* Release all the vports against this physical port */
6993 vports
= lpfc_create_vport_work_array(phba
);
6995 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
6996 fc_vport_terminate(vports
[i
]->fc_vport
);
6997 lpfc_destroy_vport_work_array(phba
, vports
);
6999 /* Remove FC host and then SCSI host with the physical port */
7000 fc_remove_host(shost
);
7001 scsi_remove_host(shost
);
7002 lpfc_cleanup(vport
);
7005 * Bring down the SLI Layer. This step disable all interrupts,
7006 * clears the rings, discards all mailbox commands, and resets
7010 /* HBA interrupt will be diabled after this call */
7011 lpfc_sli_hba_down(phba
);
7012 /* Stop kthread signal shall trigger work_done one more time */
7013 kthread_stop(phba
->worker_thread
);
7014 /* Final cleanup of txcmplq and reset the HBA */
7015 lpfc_sli_brdrestart(phba
);
7017 lpfc_stop_hba_timers(phba
);
7018 spin_lock_irq(&phba
->hbalock
);
7019 list_del_init(&vport
->listentry
);
7020 spin_unlock_irq(&phba
->hbalock
);
7022 lpfc_debugfs_terminate(vport
);
7024 /* Disable interrupt */
7025 lpfc_sli_disable_intr(phba
);
7027 pci_set_drvdata(pdev
, NULL
);
7028 scsi_host_put(shost
);
7031 * Call scsi_free before mem_free since scsi bufs are released to their
7032 * corresponding pools here.
7034 lpfc_scsi_free(phba
);
7035 lpfc_mem_free_all(phba
);
7037 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7038 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7040 /* Free resources associated with SLI2 interface */
7041 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7042 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7044 /* unmap adapter SLIM and Control Registers */
7045 iounmap(phba
->ctrl_regs_memmap_p
);
7046 iounmap(phba
->slim_memmap_p
);
7048 lpfc_hba_free(phba
);
7050 pci_release_selected_regions(pdev
, bars
);
7051 pci_disable_device(pdev
);
7055 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
7056 * @pdev: pointer to PCI device
7057 * @msg: power management message
7059 * This routine is to be called from the kernel's PCI subsystem to support
7060 * system Power Management (PM) to device with SLI-3 interface spec. When
7061 * PM invokes this method, it quiesces the device by stopping the driver's
7062 * worker thread for the device, turning off device's interrupt and DMA,
7063 * and bring the device offline. Note that as the driver implements the
7064 * minimum PM requirements to a power-aware driver's PM support for the
7065 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7066 * to the suspend() method call will be treated as SUSPEND and the driver will
7067 * fully reinitialize its device during resume() method call, the driver will
7068 * set device to PCI_D3hot state in PCI config space instead of setting it
7069 * according to the @msg provided by the PM.
7072 * 0 - driver suspended the device
7076 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
7078 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7079 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7081 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7082 "0473 PCI device Power Management suspend.\n");
7084 /* Bring down the device */
7085 lpfc_offline_prep(phba
);
7087 kthread_stop(phba
->worker_thread
);
7089 /* Disable interrupt from device */
7090 lpfc_sli_disable_intr(phba
);
7092 /* Save device state to PCI config space */
7093 pci_save_state(pdev
);
7094 pci_set_power_state(pdev
, PCI_D3hot
);
7100 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7101 * @pdev: pointer to PCI device
7103 * This routine is to be called from the kernel's PCI subsystem to support
7104 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7105 * invokes this method, it restores the device's PCI config space state and
7106 * fully reinitializes the device and brings it online. Note that as the
7107 * driver implements the minimum PM requirements to a power-aware driver's
7108 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7109 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7110 * driver will fully reinitialize its device during resume() method call,
7111 * the device will be set to PCI_D0 directly in PCI config space before
7112 * restoring the state.
7115 * 0 - driver suspended the device
7119 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
7121 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7122 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7126 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7127 "0452 PCI device Power Management resume.\n");
7129 /* Restore device state from PCI config space */
7130 pci_set_power_state(pdev
, PCI_D0
);
7131 pci_restore_state(pdev
);
7133 if (pdev
->is_busmaster
)
7134 pci_set_master(pdev
);
7136 /* Startup the kernel thread for this host adapter. */
7137 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7138 "lpfc_worker_%d", phba
->brd_no
);
7139 if (IS_ERR(phba
->worker_thread
)) {
7140 error
= PTR_ERR(phba
->worker_thread
);
7141 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7142 "0434 PM resume failed to start worker "
7143 "thread: error=x%x.\n", error
);
7147 /* Configure and enable interrupt */
7148 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7149 if (intr_mode
== LPFC_INTR_ERROR
) {
7150 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7151 "0430 PM resume Failed to enable interrupt\n");
7154 phba
->intr_mode
= intr_mode
;
7156 /* Restart HBA and bring it online */
7157 lpfc_sli_brdrestart(phba
);
7160 /* Log the current active interrupt mode */
7161 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7167 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
7168 * @phba: pointer to lpfc hba data structure.
7170 * This routine is called to prepare the SLI3 device for PCI slot recover. It
7171 * aborts and stops all the on-going I/Os on the pci device.
7174 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
7176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7177 "2723 PCI channel I/O abort preparing for recovery\n");
7178 /* Prepare for bringing HBA offline */
7179 lpfc_offline_prep(phba
);
7180 /* Clear sli active flag to prevent sysfs access to HBA */
7181 spin_lock_irq(&phba
->hbalock
);
7182 phba
->sli
.sli_flag
&= ~LPFC_SLI_ACTIVE
;
7183 spin_unlock_irq(&phba
->hbalock
);
7184 /* Stop and flush all I/Os and bring HBA offline */
7189 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
7190 * @phba: pointer to lpfc hba data structure.
7192 * This routine is called to prepare the SLI3 device for PCI slot reset. It
7193 * disables the device interrupt and pci device, and aborts the internal FCP
7197 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
7199 struct lpfc_sli
*psli
= &phba
->sli
;
7200 struct lpfc_sli_ring
*pring
;
7202 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7203 "2710 PCI channel disable preparing for reset\n");
7204 /* Disable interrupt and pci device */
7205 lpfc_sli_disable_intr(phba
);
7206 pci_disable_device(phba
->pcidev
);
7208 * There may be I/Os dropped by the firmware.
7209 * Error iocb (I/O) on txcmplq and let the SCSI layer
7210 * retry it after re-establishing link.
7212 pring
= &psli
->ring
[psli
->fcp_ring
];
7213 lpfc_sli_abort_iocb_ring(phba
, pring
);
7217 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
7218 * @phba: pointer to lpfc hba data structure.
7220 * This routine is called to prepare the SLI3 device for PCI slot permanently
7221 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
7225 lpfc_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
7227 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7228 "2711 PCI channel permanent disable for failure\n");
7229 /* Clean up all driver's outstanding SCSI I/Os */
7230 lpfc_sli_flush_fcp_rings(phba
);
7234 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7235 * @pdev: pointer to PCI device.
7236 * @state: the current PCI connection state.
7238 * This routine is called from the PCI subsystem for I/O error handling to
7239 * device with SLI-3 interface spec. This function is called by the PCI
7240 * subsystem after a PCI bus error affecting this device has been detected.
7241 * When this function is invoked, it will need to stop all the I/Os and
7242 * interrupt(s) to the device. Once that is done, it will return
7243 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7247 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
7248 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7249 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7251 static pci_ers_result_t
7252 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
7254 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7255 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7257 /* Block all SCSI devices' I/Os on the host */
7258 lpfc_scsi_dev_block(phba
);
7261 case pci_channel_io_normal
:
7262 /* Non-fatal error, prepare for recovery */
7263 lpfc_sli_prep_dev_for_recover(phba
);
7264 return PCI_ERS_RESULT_CAN_RECOVER
;
7265 case pci_channel_io_frozen
:
7266 /* Fatal error, prepare for slot reset */
7267 lpfc_sli_prep_dev_for_reset(phba
);
7268 return PCI_ERS_RESULT_NEED_RESET
;
7269 case pci_channel_io_perm_failure
:
7270 /* Permanent failure, prepare for device down */
7271 lpfc_prep_dev_for_perm_failure(phba
);
7272 return PCI_ERS_RESULT_DISCONNECT
;
7274 /* Unknown state, prepare and request slot reset */
7275 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7276 "0472 Unknown PCI error state: x%x\n", state
);
7277 lpfc_sli_prep_dev_for_reset(phba
);
7278 return PCI_ERS_RESULT_NEED_RESET
;
7283 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7284 * @pdev: pointer to PCI device.
7286 * This routine is called from the PCI subsystem for error handling to
7287 * device with SLI-3 interface spec. This is called after PCI bus has been
7288 * reset to restart the PCI card from scratch, as if from a cold-boot.
7289 * During the PCI subsystem error recovery, after driver returns
7290 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7291 * recovery and then call this routine before calling the .resume method
7292 * to recover the device. This function will initialize the HBA device,
7293 * enable the interrupt, but it will just put the HBA to offline state
7294 * without passing any I/O traffic.
7297 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7298 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7300 static pci_ers_result_t
7301 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
7303 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7304 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7305 struct lpfc_sli
*psli
= &phba
->sli
;
7308 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
7309 if (pci_enable_device_mem(pdev
)) {
7310 printk(KERN_ERR
"lpfc: Cannot re-enable "
7311 "PCI device after reset.\n");
7312 return PCI_ERS_RESULT_DISCONNECT
;
7315 pci_restore_state(pdev
);
7316 if (pdev
->is_busmaster
)
7317 pci_set_master(pdev
);
7319 spin_lock_irq(&phba
->hbalock
);
7320 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
7321 spin_unlock_irq(&phba
->hbalock
);
7323 /* Configure and enable interrupt */
7324 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7325 if (intr_mode
== LPFC_INTR_ERROR
) {
7326 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7327 "0427 Cannot re-enable interrupt after "
7329 return PCI_ERS_RESULT_DISCONNECT
;
7331 phba
->intr_mode
= intr_mode
;
7333 /* Take device offline; this will perform cleanup */
7335 lpfc_sli_brdrestart(phba
);
7337 /* Log the current active interrupt mode */
7338 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7340 return PCI_ERS_RESULT_RECOVERED
;
7344 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7345 * @pdev: pointer to PCI device
7347 * This routine is called from the PCI subsystem for error handling to device
7348 * with SLI-3 interface spec. It is called when kernel error recovery tells
7349 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7350 * error recovery. After this call, traffic can start to flow from this device
7354 lpfc_io_resume_s3(struct pci_dev
*pdev
)
7356 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7357 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7359 /* Bring the device online */
7362 /* Clean up Advanced Error Reporting (AER) if needed */
7363 if (phba
->hba_flag
& HBA_AER_ENABLED
)
7364 pci_cleanup_aer_uncorrect_error_status(pdev
);
7368 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7369 * @phba: pointer to lpfc hba data structure.
7371 * returns the number of ELS/CT IOCBs to reserve
7374 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
7376 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
7378 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
7381 else if (max_xri
<= 256)
7383 else if (max_xri
<= 512)
7385 else if (max_xri
<= 1024)
7394 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7395 * @pdev: pointer to PCI device
7396 * @pid: pointer to PCI device identifier
7398 * This routine is called from the kernel's PCI subsystem to device with
7399 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7400 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7401 * information of the device and driver to see if the driver state that it
7402 * can support this kind of device. If the match is successful, the driver
7403 * core invokes this routine. If this routine determines it can claim the HBA,
7404 * it does all the initialization that it needs to do to handle the HBA
7408 * 0 - driver can claim the device
7409 * negative value - driver can not claim the device
7411 static int __devinit
7412 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7414 struct lpfc_hba
*phba
;
7415 struct lpfc_vport
*vport
= NULL
;
7416 struct Scsi_Host
*shost
= NULL
;
7418 uint32_t cfg_mode
, intr_mode
;
7421 /* Allocate memory for HBA structure */
7422 phba
= lpfc_hba_alloc(pdev
);
7426 /* Perform generic PCI device enabling operation */
7427 error
= lpfc_enable_pci_dev(phba
);
7429 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7430 "1409 Failed to enable pci device.\n");
7434 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7435 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
7437 goto out_disable_pci_dev
;
7439 /* Set up SLI-4 specific device PCI memory space */
7440 error
= lpfc_sli4_pci_mem_setup(phba
);
7442 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7443 "1410 Failed to set up pci memory space.\n");
7444 goto out_disable_pci_dev
;
7447 /* Set up phase-1 common device driver resources */
7448 error
= lpfc_setup_driver_resource_phase1(phba
);
7450 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7451 "1411 Failed to set up driver resource.\n");
7452 goto out_unset_pci_mem_s4
;
7455 /* Set up SLI-4 Specific device driver resources */
7456 error
= lpfc_sli4_driver_resource_setup(phba
);
7458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7459 "1412 Failed to set up driver resource.\n");
7460 goto out_unset_pci_mem_s4
;
7463 /* Initialize and populate the iocb list per host */
7464 error
= lpfc_init_iocb_list(phba
,
7465 phba
->sli4_hba
.max_cfg_param
.max_xri
);
7467 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7468 "1413 Failed to initialize iocb list.\n");
7469 goto out_unset_driver_resource_s4
;
7472 /* Set up common device driver resources */
7473 error
= lpfc_setup_driver_resource_phase2(phba
);
7475 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7476 "1414 Failed to set up driver resource.\n");
7477 goto out_free_iocb_list
;
7480 /* Create SCSI host to the physical port */
7481 error
= lpfc_create_shost(phba
);
7483 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7484 "1415 Failed to create scsi host.\n");
7485 goto out_unset_driver_resource
;
7488 /* Configure sysfs attributes */
7489 vport
= phba
->pport
;
7490 error
= lpfc_alloc_sysfs_attr(vport
);
7492 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7493 "1416 Failed to allocate sysfs attr\n");
7494 goto out_destroy_shost
;
7497 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
7498 /* Now, trying to enable interrupt and bring up the device */
7499 cfg_mode
= phba
->cfg_use_msi
;
7501 /* Put device to a known state before enabling interrupt */
7502 lpfc_stop_port(phba
);
7503 /* Configure and enable interrupt */
7504 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
7505 if (intr_mode
== LPFC_INTR_ERROR
) {
7506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7507 "0426 Failed to enable interrupt.\n");
7509 goto out_free_sysfs_attr
;
7511 /* Default to single FCP EQ for non-MSI-X */
7512 if (phba
->intr_type
!= MSIX
)
7513 phba
->cfg_fcp_eq_count
= 1;
7514 /* Set up SLI-4 HBA */
7515 if (lpfc_sli4_hba_setup(phba
)) {
7516 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7517 "1421 Failed to set up hba\n");
7519 goto out_disable_intr
;
7522 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7524 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
7527 /* Check active interrupts received only for MSI/MSI-X */
7528 if (intr_mode
== 0 ||
7529 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
7530 /* Log the current active interrupt mode */
7531 phba
->intr_mode
= intr_mode
;
7532 lpfc_log_intr_mode(phba
, intr_mode
);
7535 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7536 "0451 Configure interrupt mode (%d) "
7537 "failed active interrupt test.\n",
7539 /* Unset the preivous SLI-4 HBA setup */
7540 lpfc_sli4_unset_hba(phba
);
7541 /* Try next level of interrupt mode */
7542 cfg_mode
= --intr_mode
;
7545 /* Perform post initialization setup */
7546 lpfc_post_init_setup(phba
);
7548 /* Check if there are static vports to be created. */
7549 lpfc_create_static_vport(phba
);
7554 lpfc_sli4_disable_intr(phba
);
7555 out_free_sysfs_attr
:
7556 lpfc_free_sysfs_attr(vport
);
7558 lpfc_destroy_shost(phba
);
7559 out_unset_driver_resource
:
7560 lpfc_unset_driver_resource_phase2(phba
);
7562 lpfc_free_iocb_list(phba
);
7563 out_unset_driver_resource_s4
:
7564 lpfc_sli4_driver_resource_unset(phba
);
7565 out_unset_pci_mem_s4
:
7566 lpfc_sli4_pci_mem_unset(phba
);
7567 out_disable_pci_dev
:
7568 lpfc_disable_pci_dev(phba
);
7570 scsi_host_put(shost
);
7572 lpfc_hba_free(phba
);
7577 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7578 * @pdev: pointer to PCI device
7580 * This routine is called from the kernel's PCI subsystem to device with
7581 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7582 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7583 * device to be removed from the PCI subsystem properly.
7585 static void __devexit
7586 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
7588 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7589 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
7590 struct lpfc_vport
**vports
;
7591 struct lpfc_hba
*phba
= vport
->phba
;
7594 /* Mark the device unloading flag */
7595 spin_lock_irq(&phba
->hbalock
);
7596 vport
->load_flag
|= FC_UNLOADING
;
7597 spin_unlock_irq(&phba
->hbalock
);
7599 /* Free the HBA sysfs attributes */
7600 lpfc_free_sysfs_attr(vport
);
7602 /* Release all the vports against this physical port */
7603 vports
= lpfc_create_vport_work_array(phba
);
7605 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
7606 fc_vport_terminate(vports
[i
]->fc_vport
);
7607 lpfc_destroy_vport_work_array(phba
, vports
);
7609 /* Remove FC host and then SCSI host with the physical port */
7610 fc_remove_host(shost
);
7611 scsi_remove_host(shost
);
7613 /* Perform cleanup on the physical port */
7614 lpfc_cleanup(vport
);
7617 * Bring down the SLI Layer. This step disables all interrupts,
7618 * clears the rings, discards all mailbox commands, and resets
7619 * the HBA FCoE function.
7621 lpfc_debugfs_terminate(vport
);
7622 lpfc_sli4_hba_unset(phba
);
7624 spin_lock_irq(&phba
->hbalock
);
7625 list_del_init(&vport
->listentry
);
7626 spin_unlock_irq(&phba
->hbalock
);
7628 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7629 * buffers are released to their corresponding pools here.
7631 lpfc_scsi_free(phba
);
7632 lpfc_sli4_driver_resource_unset(phba
);
7634 /* Unmap adapter Control and Doorbell registers */
7635 lpfc_sli4_pci_mem_unset(phba
);
7637 /* Release PCI resources and disable device's PCI function */
7638 scsi_host_put(shost
);
7639 lpfc_disable_pci_dev(phba
);
7641 /* Finally, free the driver's device data structure */
7642 lpfc_hba_free(phba
);
7648 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7649 * @pdev: pointer to PCI device
7650 * @msg: power management message
7652 * This routine is called from the kernel's PCI subsystem to support system
7653 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7654 * this method, it quiesces the device by stopping the driver's worker
7655 * thread for the device, turning off device's interrupt and DMA, and bring
7656 * the device offline. Note that as the driver implements the minimum PM
7657 * requirements to a power-aware driver's PM support for suspend/resume -- all
7658 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7659 * method call will be treated as SUSPEND and the driver will fully
7660 * reinitialize its device during resume() method call, the driver will set
7661 * device to PCI_D3hot state in PCI config space instead of setting it
7662 * according to the @msg provided by the PM.
7665 * 0 - driver suspended the device
7669 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
7671 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7672 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7674 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7675 "0298 PCI device Power Management suspend.\n");
7677 /* Bring down the device */
7678 lpfc_offline_prep(phba
);
7680 kthread_stop(phba
->worker_thread
);
7682 /* Disable interrupt from device */
7683 lpfc_sli4_disable_intr(phba
);
7685 /* Save device state to PCI config space */
7686 pci_save_state(pdev
);
7687 pci_set_power_state(pdev
, PCI_D3hot
);
7693 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7694 * @pdev: pointer to PCI device
7696 * This routine is called from the kernel's PCI subsystem to support system
7697 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7698 * this method, it restores the device's PCI config space state and fully
7699 * reinitializes the device and brings it online. Note that as the driver
7700 * implements the minimum PM requirements to a power-aware driver's PM for
7701 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7702 * to the suspend() method call will be treated as SUSPEND and the driver
7703 * will fully reinitialize its device during resume() method call, the device
7704 * will be set to PCI_D0 directly in PCI config space before restoring the
7708 * 0 - driver suspended the device
7712 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
7714 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7715 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7719 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7720 "0292 PCI device Power Management resume.\n");
7722 /* Restore device state from PCI config space */
7723 pci_set_power_state(pdev
, PCI_D0
);
7724 pci_restore_state(pdev
);
7725 if (pdev
->is_busmaster
)
7726 pci_set_master(pdev
);
7728 /* Startup the kernel thread for this host adapter. */
7729 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7730 "lpfc_worker_%d", phba
->brd_no
);
7731 if (IS_ERR(phba
->worker_thread
)) {
7732 error
= PTR_ERR(phba
->worker_thread
);
7733 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7734 "0293 PM resume failed to start worker "
7735 "thread: error=x%x.\n", error
);
7739 /* Configure and enable interrupt */
7740 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
7741 if (intr_mode
== LPFC_INTR_ERROR
) {
7742 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7743 "0294 PM resume Failed to enable interrupt\n");
7746 phba
->intr_mode
= intr_mode
;
7748 /* Restart HBA and bring it online */
7749 lpfc_sli_brdrestart(phba
);
7752 /* Log the current active interrupt mode */
7753 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7759 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7760 * @pdev: pointer to PCI device.
7761 * @state: the current PCI connection state.
7763 * This routine is called from the PCI subsystem for error handling to device
7764 * with SLI-4 interface spec. This function is called by the PCI subsystem
7765 * after a PCI bus error affecting this device has been detected. When this
7766 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7767 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7768 * for the PCI subsystem to perform proper recovery as desired.
7771 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7772 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7774 static pci_ers_result_t
7775 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
7777 return PCI_ERS_RESULT_NEED_RESET
;
7781 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7782 * @pdev: pointer to PCI device.
7784 * This routine is called from the PCI subsystem for error handling to device
7785 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7786 * restart the PCI card from scratch, as if from a cold-boot. During the
7787 * PCI subsystem error recovery, after the driver returns
7788 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7789 * recovery and then call this routine before calling the .resume method to
7790 * recover the device. This function will initialize the HBA device, enable
7791 * the interrupt, but it will just put the HBA to offline state without
7792 * passing any I/O traffic.
7795 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7796 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7798 static pci_ers_result_t
7799 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
7801 return PCI_ERS_RESULT_RECOVERED
;
7805 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7806 * @pdev: pointer to PCI device
7808 * This routine is called from the PCI subsystem for error handling to device
7809 * with SLI-4 interface spec. It is called when kernel error recovery tells
7810 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7811 * error recovery. After this call, traffic can start to flow from this device
7815 lpfc_io_resume_s4(struct pci_dev
*pdev
)
7821 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7822 * @pdev: pointer to PCI device
7823 * @pid: pointer to PCI device identifier
7825 * This routine is to be registered to the kernel's PCI subsystem. When an
7826 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7827 * at PCI device-specific information of the device and driver to see if the
7828 * driver state that it can support this kind of device. If the match is
7829 * successful, the driver core invokes this routine. This routine dispatches
7830 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7831 * do all the initialization that it needs to do to handle the HBA device
7835 * 0 - driver can claim the device
7836 * negative value - driver can not claim the device
7838 static int __devinit
7839 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7842 struct lpfc_sli_intf intf
;
7844 if (pci_read_config_dword(pdev
, LPFC_SLIREV_CONF_WORD
, &intf
.word0
))
7847 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
7848 (bf_get(lpfc_sli_intf_rev
, &intf
) == LPFC_SLIREV_CONF_SLI4
))
7849 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
7851 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
7857 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7858 * @pdev: pointer to PCI device
7860 * This routine is to be registered to the kernel's PCI subsystem. When an
7861 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7862 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7863 * remove routine, which will perform all the necessary cleanup for the
7864 * device to be removed from the PCI subsystem properly.
7866 static void __devexit
7867 lpfc_pci_remove_one(struct pci_dev
*pdev
)
7869 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7870 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7872 switch (phba
->pci_dev_grp
) {
7873 case LPFC_PCI_DEV_LP
:
7874 lpfc_pci_remove_one_s3(pdev
);
7876 case LPFC_PCI_DEV_OC
:
7877 lpfc_pci_remove_one_s4(pdev
);
7880 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7881 "1424 Invalid PCI device group: 0x%x\n",
7889 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7890 * @pdev: pointer to PCI device
7891 * @msg: power management message
7893 * This routine is to be registered to the kernel's PCI subsystem to support
7894 * system Power Management (PM). When PM invokes this method, it dispatches
7895 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7896 * suspend the device.
7899 * 0 - driver suspended the device
7903 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
7905 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7906 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7909 switch (phba
->pci_dev_grp
) {
7910 case LPFC_PCI_DEV_LP
:
7911 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
7913 case LPFC_PCI_DEV_OC
:
7914 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
7917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7918 "1425 Invalid PCI device group: 0x%x\n",
7926 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7927 * @pdev: pointer to PCI device
7929 * This routine is to be registered to the kernel's PCI subsystem to support
7930 * system Power Management (PM). When PM invokes this method, it dispatches
7931 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7932 * resume the device.
7935 * 0 - driver suspended the device
7939 lpfc_pci_resume_one(struct pci_dev
*pdev
)
7941 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7942 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7945 switch (phba
->pci_dev_grp
) {
7946 case LPFC_PCI_DEV_LP
:
7947 rc
= lpfc_pci_resume_one_s3(pdev
);
7949 case LPFC_PCI_DEV_OC
:
7950 rc
= lpfc_pci_resume_one_s4(pdev
);
7953 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7954 "1426 Invalid PCI device group: 0x%x\n",
7962 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7963 * @pdev: pointer to PCI device.
7964 * @state: the current PCI connection state.
7966 * This routine is registered to the PCI subsystem for error handling. This
7967 * function is called by the PCI subsystem after a PCI bus error affecting
7968 * this device has been detected. When this routine is invoked, it dispatches
7969 * the action to the proper SLI-3 or SLI-4 device error detected handling
7970 * routine, which will perform the proper error detected operation.
7973 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7974 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7976 static pci_ers_result_t
7977 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7979 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7980 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7981 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7983 switch (phba
->pci_dev_grp
) {
7984 case LPFC_PCI_DEV_LP
:
7985 rc
= lpfc_io_error_detected_s3(pdev
, state
);
7987 case LPFC_PCI_DEV_OC
:
7988 rc
= lpfc_io_error_detected_s4(pdev
, state
);
7991 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7992 "1427 Invalid PCI device group: 0x%x\n",
8000 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
8001 * @pdev: pointer to PCI device.
8003 * This routine is registered to the PCI subsystem for error handling. This
8004 * function is called after PCI bus has been reset to restart the PCI card
8005 * from scratch, as if from a cold-boot. When this routine is invoked, it
8006 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
8007 * routine, which will perform the proper device reset.
8010 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
8011 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8013 static pci_ers_result_t
8014 lpfc_io_slot_reset(struct pci_dev
*pdev
)
8016 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8017 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8018 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
8020 switch (phba
->pci_dev_grp
) {
8021 case LPFC_PCI_DEV_LP
:
8022 rc
= lpfc_io_slot_reset_s3(pdev
);
8024 case LPFC_PCI_DEV_OC
:
8025 rc
= lpfc_io_slot_reset_s4(pdev
);
8028 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8029 "1428 Invalid PCI device group: 0x%x\n",
8037 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
8038 * @pdev: pointer to PCI device
8040 * This routine is registered to the PCI subsystem for error handling. It
8041 * is called when kernel error recovery tells the lpfc driver that it is
8042 * OK to resume normal PCI operation after PCI bus error recovery. When
8043 * this routine is invoked, it dispatches the action to the proper SLI-3
8044 * or SLI-4 device io_resume routine, which will resume the device operation.
8047 lpfc_io_resume(struct pci_dev
*pdev
)
8049 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8050 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8052 switch (phba
->pci_dev_grp
) {
8053 case LPFC_PCI_DEV_LP
:
8054 lpfc_io_resume_s3(pdev
);
8056 case LPFC_PCI_DEV_OC
:
8057 lpfc_io_resume_s4(pdev
);
8060 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8061 "1429 Invalid PCI device group: 0x%x\n",
8068 static struct pci_device_id lpfc_id_table
[] = {
8069 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
8070 PCI_ANY_ID
, PCI_ANY_ID
, },
8071 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
8072 PCI_ANY_ID
, PCI_ANY_ID
, },
8073 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
8074 PCI_ANY_ID
, PCI_ANY_ID
, },
8075 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
8076 PCI_ANY_ID
, PCI_ANY_ID
, },
8077 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
8078 PCI_ANY_ID
, PCI_ANY_ID
, },
8079 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
8080 PCI_ANY_ID
, PCI_ANY_ID
, },
8081 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
8082 PCI_ANY_ID
, PCI_ANY_ID
, },
8083 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
8084 PCI_ANY_ID
, PCI_ANY_ID
, },
8085 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
8086 PCI_ANY_ID
, PCI_ANY_ID
, },
8087 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
8088 PCI_ANY_ID
, PCI_ANY_ID
, },
8089 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
8090 PCI_ANY_ID
, PCI_ANY_ID
, },
8091 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
8092 PCI_ANY_ID
, PCI_ANY_ID
, },
8093 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
8094 PCI_ANY_ID
, PCI_ANY_ID
, },
8095 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
8096 PCI_ANY_ID
, PCI_ANY_ID
, },
8097 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
8098 PCI_ANY_ID
, PCI_ANY_ID
, },
8099 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
8100 PCI_ANY_ID
, PCI_ANY_ID
, },
8101 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
8102 PCI_ANY_ID
, PCI_ANY_ID
, },
8103 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
8104 PCI_ANY_ID
, PCI_ANY_ID
, },
8105 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
8106 PCI_ANY_ID
, PCI_ANY_ID
, },
8107 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
8108 PCI_ANY_ID
, PCI_ANY_ID
, },
8109 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
8110 PCI_ANY_ID
, PCI_ANY_ID
, },
8111 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
8112 PCI_ANY_ID
, PCI_ANY_ID
, },
8113 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
8114 PCI_ANY_ID
, PCI_ANY_ID
, },
8115 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
8116 PCI_ANY_ID
, PCI_ANY_ID
, },
8117 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
8118 PCI_ANY_ID
, PCI_ANY_ID
, },
8119 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
8120 PCI_ANY_ID
, PCI_ANY_ID
, },
8121 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
8122 PCI_ANY_ID
, PCI_ANY_ID
, },
8123 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
8124 PCI_ANY_ID
, PCI_ANY_ID
, },
8125 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
8126 PCI_ANY_ID
, PCI_ANY_ID
, },
8127 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
8128 PCI_ANY_ID
, PCI_ANY_ID
, },
8129 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
8130 PCI_ANY_ID
, PCI_ANY_ID
, },
8131 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
8132 PCI_ANY_ID
, PCI_ANY_ID
, },
8133 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
8134 PCI_ANY_ID
, PCI_ANY_ID
, },
8135 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
8136 PCI_ANY_ID
, PCI_ANY_ID
, },
8137 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
8138 PCI_ANY_ID
, PCI_ANY_ID
, },
8139 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
8140 PCI_ANY_ID
, PCI_ANY_ID
, },
8141 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
8142 PCI_ANY_ID
, PCI_ANY_ID
, },
8143 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
8144 PCI_ANY_ID
, PCI_ANY_ID
, },
8145 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
8146 PCI_ANY_ID
, PCI_ANY_ID
, },
8147 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
8148 PCI_ANY_ID
, PCI_ANY_ID
, },
8152 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
8154 static struct pci_error_handlers lpfc_err_handler
= {
8155 .error_detected
= lpfc_io_error_detected
,
8156 .slot_reset
= lpfc_io_slot_reset
,
8157 .resume
= lpfc_io_resume
,
8160 static struct pci_driver lpfc_driver
= {
8161 .name
= LPFC_DRIVER_NAME
,
8162 .id_table
= lpfc_id_table
,
8163 .probe
= lpfc_pci_probe_one
,
8164 .remove
= __devexit_p(lpfc_pci_remove_one
),
8165 .suspend
= lpfc_pci_suspend_one
,
8166 .resume
= lpfc_pci_resume_one
,
8167 .err_handler
= &lpfc_err_handler
,
8171 * lpfc_init - lpfc module initialization routine
8173 * This routine is to be invoked when the lpfc module is loaded into the
8174 * kernel. The special kernel macro module_init() is used to indicate the
8175 * role of this routine to the kernel as lpfc module entry point.
8179 * -ENOMEM - FC attach transport failed
8180 * all others - failed
8187 printk(LPFC_MODULE_DESC
"\n");
8188 printk(LPFC_COPYRIGHT
"\n");
8190 if (lpfc_enable_npiv
) {
8191 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
8192 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
8194 lpfc_transport_template
=
8195 fc_attach_transport(&lpfc_transport_functions
);
8196 if (lpfc_transport_template
== NULL
)
8198 if (lpfc_enable_npiv
) {
8199 lpfc_vport_transport_template
=
8200 fc_attach_transport(&lpfc_vport_transport_functions
);
8201 if (lpfc_vport_transport_template
== NULL
) {
8202 fc_release_transport(lpfc_transport_template
);
8206 error
= pci_register_driver(&lpfc_driver
);
8208 fc_release_transport(lpfc_transport_template
);
8209 if (lpfc_enable_npiv
)
8210 fc_release_transport(lpfc_vport_transport_template
);
8217 * lpfc_exit - lpfc module removal routine
8219 * This routine is invoked when the lpfc module is removed from the kernel.
8220 * The special kernel macro module_exit() is used to indicate the role of
8221 * this routine to the kernel as lpfc module exit point.
8226 pci_unregister_driver(&lpfc_driver
);
8227 fc_release_transport(lpfc_transport_template
);
8228 if (lpfc_enable_npiv
)
8229 fc_release_transport(lpfc_vport_transport_template
);
8230 if (_dump_buf_data
) {
8231 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
8232 "_dump_buf_data at 0x%p\n",
8233 (1L << _dump_buf_data_order
), _dump_buf_data
);
8234 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
8237 if (_dump_buf_dif
) {
8238 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
8239 "_dump_buf_dif at 0x%p\n",
8240 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
8241 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
8245 module_init(lpfc_init
);
8246 module_exit(lpfc_exit
);
8247 MODULE_LICENSE("GPL");
8248 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
8249 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8250 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);