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>", 0, ""};
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", max_speed
, "PCI"};
1558 case PCI_DEVICE_ID_SUPERFLY
:
1559 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1560 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
1562 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
1564 case PCI_DEVICE_ID_DRAGONFLY
:
1565 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
1567 case PCI_DEVICE_ID_CENTAUR
:
1568 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1569 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
1571 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
1573 case PCI_DEVICE_ID_RFLY
:
1574 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
1576 case PCI_DEVICE_ID_PEGASUS
:
1577 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
1579 case PCI_DEVICE_ID_THOR
:
1580 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
1582 case PCI_DEVICE_ID_VIPER
:
1583 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
1585 case PCI_DEVICE_ID_PFLY
:
1586 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
1588 case PCI_DEVICE_ID_TFLY
:
1589 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
1591 case PCI_DEVICE_ID_HELIOS
:
1592 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
1594 case PCI_DEVICE_ID_HELIOS_SCSP
:
1595 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
1597 case PCI_DEVICE_ID_HELIOS_DCSP
:
1598 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
1600 case PCI_DEVICE_ID_NEPTUNE
:
1601 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
1603 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1604 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
1606 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1607 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
1609 case PCI_DEVICE_ID_BMID
:
1610 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
1612 case PCI_DEVICE_ID_BSMB
:
1613 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
1615 case PCI_DEVICE_ID_ZEPHYR
:
1616 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1618 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1619 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
1621 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1622 m
= (typeof(m
)){"LP2105", max_speed
, "PCIe"};
1625 case PCI_DEVICE_ID_ZMID
:
1626 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
1628 case PCI_DEVICE_ID_ZSMB
:
1629 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
1631 case PCI_DEVICE_ID_LP101
:
1632 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
1634 case PCI_DEVICE_ID_LP10000S
:
1635 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
1637 case PCI_DEVICE_ID_LP11000S
:
1638 m
= (typeof(m
)){"LP11000-S", max_speed
,
1641 case PCI_DEVICE_ID_LPE11000S
:
1642 m
= (typeof(m
)){"LPe11000-S", max_speed
,
1645 case PCI_DEVICE_ID_SAT
:
1646 m
= (typeof(m
)){"LPe12000", max_speed
, "PCIe"};
1648 case PCI_DEVICE_ID_SAT_MID
:
1649 m
= (typeof(m
)){"LPe1250", max_speed
, "PCIe"};
1651 case PCI_DEVICE_ID_SAT_SMB
:
1652 m
= (typeof(m
)){"LPe121", max_speed
, "PCIe"};
1654 case PCI_DEVICE_ID_SAT_DCSP
:
1655 m
= (typeof(m
)){"LPe12002-SP", max_speed
, "PCIe"};
1657 case PCI_DEVICE_ID_SAT_SCSP
:
1658 m
= (typeof(m
)){"LPe12000-SP", max_speed
, "PCIe"};
1660 case PCI_DEVICE_ID_SAT_S
:
1661 m
= (typeof(m
)){"LPe12000-S", max_speed
, "PCIe"};
1663 case PCI_DEVICE_ID_HORNET
:
1664 m
= (typeof(m
)){"LP21000", max_speed
, "PCIe"};
1667 case PCI_DEVICE_ID_PROTEUS_VF
:
1668 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1670 case PCI_DEVICE_ID_PROTEUS_PF
:
1671 m
= (typeof(m
)) {"LPev12000", max_speed
, "PCIe IOV"};
1673 case PCI_DEVICE_ID_PROTEUS_S
:
1674 m
= (typeof(m
)) {"LPemv12002-S", max_speed
, "PCIe IOV"};
1676 case PCI_DEVICE_ID_TIGERSHARK
:
1678 m
= (typeof(m
)) {"OCe10100-F", max_speed
, "PCIe"};
1680 case PCI_DEVICE_ID_TS_BE3
:
1682 m
= (typeof(m
)) {"OCeXXXXX-F", max_speed
, "PCIe"};
1685 m
= (typeof(m
)){ NULL
};
1689 if (mdp
&& mdp
[0] == '\0')
1690 snprintf(mdp
, 79,"%s", m
.name
);
1691 /* oneConnect hba requires special processing, they are all initiators
1692 * and we put the port number on the end
1694 if (descp
&& descp
[0] == '\0') {
1696 snprintf(descp
, 255,
1697 "Emulex OneConnect %s, FCoE Initiator, Port %s",
1701 snprintf(descp
, 255,
1702 "Emulex %s %d%s %s %s",
1703 m
.name
, m
.max_speed
,
1706 (GE
) ? "FCoE Adapter" :
1707 "Fibre Channel Adapter");
1712 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1713 * @phba: pointer to lpfc hba data structure.
1714 * @pring: pointer to a IOCB ring.
1715 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1717 * This routine posts a given number of IOCBs with the associated DMA buffer
1718 * descriptors specified by the cnt argument to the given IOCB ring.
1721 * The number of IOCBs NOT able to be posted to the IOCB ring.
1724 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
1727 struct lpfc_iocbq
*iocb
;
1728 struct lpfc_dmabuf
*mp1
, *mp2
;
1730 cnt
+= pring
->missbufcnt
;
1732 /* While there are buffers to post */
1734 /* Allocate buffer for command iocb */
1735 iocb
= lpfc_sli_get_iocbq(phba
);
1737 pring
->missbufcnt
= cnt
;
1742 /* 2 buffers can be posted per command */
1743 /* Allocate buffer to post */
1744 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1746 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
1747 if (!mp1
|| !mp1
->virt
) {
1749 lpfc_sli_release_iocbq(phba
, iocb
);
1750 pring
->missbufcnt
= cnt
;
1754 INIT_LIST_HEAD(&mp1
->list
);
1755 /* Allocate buffer to post */
1757 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1759 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1761 if (!mp2
|| !mp2
->virt
) {
1763 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1765 lpfc_sli_release_iocbq(phba
, iocb
);
1766 pring
->missbufcnt
= cnt
;
1770 INIT_LIST_HEAD(&mp2
->list
);
1775 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1776 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1777 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1778 icmd
->ulpBdeCount
= 1;
1781 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1782 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1783 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1785 icmd
->ulpBdeCount
= 2;
1788 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1791 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
1793 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1797 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1801 lpfc_sli_release_iocbq(phba
, iocb
);
1802 pring
->missbufcnt
= cnt
;
1805 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1807 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1809 pring
->missbufcnt
= 0;
1814 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1815 * @phba: pointer to lpfc hba data structure.
1817 * This routine posts initial receive IOCB buffers to the ELS ring. The
1818 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1822 * 0 - success (currently always success)
1825 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
1827 struct lpfc_sli
*psli
= &phba
->sli
;
1829 /* Ring 0, ELS / CT buffers */
1830 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
1831 /* Ring 2 - FCP no buffers needed */
1836 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1839 * lpfc_sha_init - Set up initial array of hash table entries
1840 * @HashResultPointer: pointer to an array as hash table.
1842 * This routine sets up the initial values to the array of hash table entries
1846 lpfc_sha_init(uint32_t * HashResultPointer
)
1848 HashResultPointer
[0] = 0x67452301;
1849 HashResultPointer
[1] = 0xEFCDAB89;
1850 HashResultPointer
[2] = 0x98BADCFE;
1851 HashResultPointer
[3] = 0x10325476;
1852 HashResultPointer
[4] = 0xC3D2E1F0;
1856 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1857 * @HashResultPointer: pointer to an initial/result hash table.
1858 * @HashWorkingPointer: pointer to an working hash table.
1860 * This routine iterates an initial hash table pointed by @HashResultPointer
1861 * with the values from the working hash table pointeed by @HashWorkingPointer.
1862 * The results are putting back to the initial hash table, returned through
1863 * the @HashResultPointer as the result hash table.
1866 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1870 uint32_t A
, B
, C
, D
, E
;
1873 HashWorkingPointer
[t
] =
1875 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1877 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1878 } while (++t
<= 79);
1880 A
= HashResultPointer
[0];
1881 B
= HashResultPointer
[1];
1882 C
= HashResultPointer
[2];
1883 D
= HashResultPointer
[3];
1884 E
= HashResultPointer
[4];
1888 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1889 } else if (t
< 40) {
1890 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1891 } else if (t
< 60) {
1892 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1894 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1896 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1902 } while (++t
<= 79);
1904 HashResultPointer
[0] += A
;
1905 HashResultPointer
[1] += B
;
1906 HashResultPointer
[2] += C
;
1907 HashResultPointer
[3] += D
;
1908 HashResultPointer
[4] += E
;
1913 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1914 * @RandomChallenge: pointer to the entry of host challenge random number array.
1915 * @HashWorking: pointer to the entry of the working hash array.
1917 * This routine calculates the working hash array referred by @HashWorking
1918 * from the challenge random numbers associated with the host, referred by
1919 * @RandomChallenge. The result is put into the entry of the working hash
1920 * array and returned by reference through @HashWorking.
1923 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1925 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1929 * lpfc_hba_init - Perform special handling for LC HBA initialization
1930 * @phba: pointer to lpfc hba data structure.
1931 * @hbainit: pointer to an array of unsigned 32-bit integers.
1933 * This routine performs the special handling for LC HBA initialization.
1936 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1939 uint32_t *HashWorking
;
1940 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
1942 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
1946 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1947 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1949 for (t
= 0; t
< 7; t
++)
1950 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1952 lpfc_sha_init(hbainit
);
1953 lpfc_sha_iterate(hbainit
, HashWorking
);
1958 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1959 * @vport: pointer to a virtual N_Port data structure.
1961 * This routine performs the necessary cleanups before deleting the @vport.
1962 * It invokes the discovery state machine to perform necessary state
1963 * transitions and to release the ndlps associated with the @vport. Note,
1964 * the physical port is treated as @vport 0.
1967 lpfc_cleanup(struct lpfc_vport
*vport
)
1969 struct lpfc_hba
*phba
= vport
->phba
;
1970 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1973 if (phba
->link_state
> LPFC_LINK_DOWN
)
1974 lpfc_port_link_failure(vport
);
1976 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1977 if (!NLP_CHK_NODE_ACT(ndlp
)) {
1978 ndlp
= lpfc_enable_node(vport
, ndlp
,
1979 NLP_STE_UNUSED_NODE
);
1982 spin_lock_irq(&phba
->ndlp_lock
);
1983 NLP_SET_FREE_REQ(ndlp
);
1984 spin_unlock_irq(&phba
->ndlp_lock
);
1985 /* Trigger the release of the ndlp memory */
1989 spin_lock_irq(&phba
->ndlp_lock
);
1990 if (NLP_CHK_FREE_REQ(ndlp
)) {
1991 /* The ndlp should not be in memory free mode already */
1992 spin_unlock_irq(&phba
->ndlp_lock
);
1995 /* Indicate request for freeing ndlp memory */
1996 NLP_SET_FREE_REQ(ndlp
);
1997 spin_unlock_irq(&phba
->ndlp_lock
);
1999 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2000 ndlp
->nlp_DID
== Fabric_DID
) {
2001 /* Just free up ndlp with Fabric_DID for vports */
2006 if (ndlp
->nlp_type
& NLP_FABRIC
)
2007 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2008 NLP_EVT_DEVICE_RECOVERY
);
2010 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2015 /* At this point, ALL ndlp's should be gone
2016 * because of the previous NLP_EVT_DEVICE_RM.
2017 * Lets wait for this to happen, if needed.
2019 while (!list_empty(&vport
->fc_nodes
)) {
2021 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2022 "0233 Nodelist not empty\n");
2023 list_for_each_entry_safe(ndlp
, next_ndlp
,
2024 &vport
->fc_nodes
, nlp_listp
) {
2025 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2027 "0282 did:x%x ndlp:x%p "
2028 "usgmap:x%x refcnt:%d\n",
2029 ndlp
->nlp_DID
, (void *)ndlp
,
2032 &ndlp
->kref
.refcount
));
2037 /* Wait for any activity on ndlps to settle */
2043 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2044 * @vport: pointer to a virtual N_Port data structure.
2046 * This routine stops all the timers associated with a @vport. This function
2047 * is invoked before disabling or deleting a @vport. Note that the physical
2048 * port is treated as @vport 0.
2051 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2053 del_timer_sync(&vport
->els_tmofunc
);
2054 del_timer_sync(&vport
->fc_fdmitmo
);
2055 lpfc_can_disctmo(vport
);
2060 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2061 * @phba: pointer to lpfc hba data structure.
2063 * This routine stops all the timers associated with a HBA. This function is
2064 * invoked before either putting a HBA offline or unloading the driver.
2067 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2069 lpfc_stop_vport_timers(phba
->pport
);
2070 del_timer_sync(&phba
->sli
.mbox_tmo
);
2071 del_timer_sync(&phba
->fabric_block_timer
);
2072 del_timer_sync(&phba
->eratt_poll
);
2073 del_timer_sync(&phba
->hb_tmofunc
);
2074 phba
->hb_outstanding
= 0;
2076 switch (phba
->pci_dev_grp
) {
2077 case LPFC_PCI_DEV_LP
:
2078 /* Stop any LightPulse device specific driver timers */
2079 del_timer_sync(&phba
->fcp_poll_timer
);
2081 case LPFC_PCI_DEV_OC
:
2082 /* Stop any OneConnect device sepcific driver timers */
2085 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2086 "0297 Invalid device group (x%x)\n",
2094 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2095 * @phba: pointer to lpfc hba data structure.
2097 * This routine marks a HBA's management interface as blocked. Once the HBA's
2098 * management interface is marked as blocked, all the user space access to
2099 * the HBA, whether they are from sysfs interface or libdfc interface will
2100 * all be blocked. The HBA is set to block the management interface when the
2101 * driver prepares the HBA interface for online or offline.
2104 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2106 unsigned long iflag
;
2108 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2109 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2110 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2114 * lpfc_online - Initialize and bring a HBA online
2115 * @phba: pointer to lpfc hba data structure.
2117 * This routine initializes the HBA and brings a HBA online. During this
2118 * process, the management interface is blocked to prevent user space access
2119 * to the HBA interfering with the driver initialization.
2126 lpfc_online(struct lpfc_hba
*phba
)
2128 struct lpfc_vport
*vport
;
2129 struct lpfc_vport
**vports
;
2134 vport
= phba
->pport
;
2136 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2139 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2140 "0458 Bring Adapter online\n");
2142 lpfc_block_mgmt_io(phba
);
2144 if (!lpfc_sli_queue_setup(phba
)) {
2145 lpfc_unblock_mgmt_io(phba
);
2149 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2150 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2151 lpfc_unblock_mgmt_io(phba
);
2155 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2156 lpfc_unblock_mgmt_io(phba
);
2161 vports
= lpfc_create_vport_work_array(phba
);
2163 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2164 struct Scsi_Host
*shost
;
2165 shost
= lpfc_shost_from_vport(vports
[i
]);
2166 spin_lock_irq(shost
->host_lock
);
2167 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2168 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2169 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2170 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2171 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2172 spin_unlock_irq(shost
->host_lock
);
2174 lpfc_destroy_vport_work_array(phba
, vports
);
2176 lpfc_unblock_mgmt_io(phba
);
2181 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2182 * @phba: pointer to lpfc hba data structure.
2184 * This routine marks a HBA's management interface as not blocked. Once the
2185 * HBA's management interface is marked as not blocked, all the user space
2186 * access to the HBA, whether they are from sysfs interface or libdfc
2187 * interface will be allowed. The HBA is set to block the management interface
2188 * when the driver prepares the HBA interface for online or offline and then
2189 * set to unblock the management interface afterwards.
2192 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2194 unsigned long iflag
;
2196 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2197 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2198 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2202 * lpfc_offline_prep - Prepare a HBA to be brought offline
2203 * @phba: pointer to lpfc hba data structure.
2205 * This routine is invoked to prepare a HBA to be brought offline. It performs
2206 * unregistration login to all the nodes on all vports and flushes the mailbox
2207 * queue to make it ready to be brought offline.
2210 lpfc_offline_prep(struct lpfc_hba
* phba
)
2212 struct lpfc_vport
*vport
= phba
->pport
;
2213 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2214 struct lpfc_vport
**vports
;
2217 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2220 lpfc_block_mgmt_io(phba
);
2222 lpfc_linkdown(phba
);
2224 /* Issue an unreg_login to all nodes on all vports */
2225 vports
= lpfc_create_vport_work_array(phba
);
2226 if (vports
!= NULL
) {
2227 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2228 struct Scsi_Host
*shost
;
2230 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2232 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2233 shost
= lpfc_shost_from_vport(vports
[i
]);
2234 list_for_each_entry_safe(ndlp
, next_ndlp
,
2235 &vports
[i
]->fc_nodes
,
2237 if (!NLP_CHK_NODE_ACT(ndlp
))
2239 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2241 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2242 lpfc_disc_state_machine(vports
[i
], ndlp
,
2243 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2244 lpfc_disc_state_machine(vports
[i
], ndlp
,
2245 NULL
, NLP_EVT_DEVICE_RM
);
2247 spin_lock_irq(shost
->host_lock
);
2248 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2249 spin_unlock_irq(shost
->host_lock
);
2250 lpfc_unreg_rpi(vports
[i
], ndlp
);
2254 lpfc_destroy_vport_work_array(phba
, vports
);
2256 lpfc_sli_mbox_sys_shutdown(phba
);
2260 * lpfc_offline - Bring a HBA offline
2261 * @phba: pointer to lpfc hba data structure.
2263 * This routine actually brings a HBA offline. It stops all the timers
2264 * associated with the HBA, brings down the SLI layer, and eventually
2265 * marks the HBA as in offline state for the upper layer protocol.
2268 lpfc_offline(struct lpfc_hba
*phba
)
2270 struct Scsi_Host
*shost
;
2271 struct lpfc_vport
**vports
;
2274 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2277 /* stop port and all timers associated with this hba */
2278 lpfc_stop_port(phba
);
2279 vports
= lpfc_create_vport_work_array(phba
);
2281 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2282 lpfc_stop_vport_timers(vports
[i
]);
2283 lpfc_destroy_vport_work_array(phba
, vports
);
2284 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2285 "0460 Bring Adapter offline\n");
2286 /* Bring down the SLI Layer and cleanup. The HBA is offline
2288 lpfc_sli_hba_down(phba
);
2289 spin_lock_irq(&phba
->hbalock
);
2291 spin_unlock_irq(&phba
->hbalock
);
2292 vports
= lpfc_create_vport_work_array(phba
);
2294 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2295 shost
= lpfc_shost_from_vport(vports
[i
]);
2296 spin_lock_irq(shost
->host_lock
);
2297 vports
[i
]->work_port_events
= 0;
2298 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2299 spin_unlock_irq(shost
->host_lock
);
2301 lpfc_destroy_vport_work_array(phba
, vports
);
2305 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2306 * @phba: pointer to lpfc hba data structure.
2308 * This routine is to free all the SCSI buffers and IOCBs from the driver
2309 * list back to kernel. It is called from lpfc_pci_remove_one to free
2310 * the internal resources before the device is removed from the system.
2313 * 0 - successful (for now, it always returns 0)
2316 lpfc_scsi_free(struct lpfc_hba
*phba
)
2318 struct lpfc_scsi_buf
*sb
, *sb_next
;
2319 struct lpfc_iocbq
*io
, *io_next
;
2321 spin_lock_irq(&phba
->hbalock
);
2322 /* Release all the lpfc_scsi_bufs maintained by this host. */
2323 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2324 list_del(&sb
->list
);
2325 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2328 phba
->total_scsi_bufs
--;
2331 /* Release all the lpfc_iocbq entries maintained by this host. */
2332 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2333 list_del(&io
->list
);
2335 phba
->total_iocbq_bufs
--;
2338 spin_unlock_irq(&phba
->hbalock
);
2344 * lpfc_create_port - Create an FC port
2345 * @phba: pointer to lpfc hba data structure.
2346 * @instance: a unique integer ID to this FC port.
2347 * @dev: pointer to the device data structure.
2349 * This routine creates a FC port for the upper layer protocol. The FC port
2350 * can be created on top of either a physical port or a virtual port provided
2351 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2352 * and associates the FC port created before adding the shost into the SCSI
2356 * @vport - pointer to the virtual N_Port data structure.
2357 * NULL - port create failed.
2360 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2362 struct lpfc_vport
*vport
;
2363 struct Scsi_Host
*shost
;
2366 if (dev
!= &phba
->pcidev
->dev
)
2367 shost
= scsi_host_alloc(&lpfc_vport_template
,
2368 sizeof(struct lpfc_vport
));
2370 shost
= scsi_host_alloc(&lpfc_template
,
2371 sizeof(struct lpfc_vport
));
2375 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2377 vport
->load_flag
|= FC_LOADING
;
2378 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2379 vport
->fc_rscn_flush
= 0;
2381 lpfc_get_vport_cfgparam(vport
);
2382 shost
->unique_id
= instance
;
2383 shost
->max_id
= LPFC_MAX_TARGET
;
2384 shost
->max_lun
= vport
->cfg_max_luns
;
2385 shost
->this_id
= -1;
2386 shost
->max_cmd_len
= 16;
2387 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2388 shost
->dma_boundary
= LPFC_SLI4_MAX_SEGMENT_SIZE
;
2389 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2393 * Set initial can_queue value since 0 is no longer supported and
2394 * scsi_add_host will fail. This will be adjusted later based on the
2395 * max xri value determined in hba setup.
2397 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2398 if (dev
!= &phba
->pcidev
->dev
) {
2399 shost
->transportt
= lpfc_vport_transport_template
;
2400 vport
->port_type
= LPFC_NPIV_PORT
;
2402 shost
->transportt
= lpfc_transport_template
;
2403 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2406 /* Initialize all internally managed lists. */
2407 INIT_LIST_HEAD(&vport
->fc_nodes
);
2408 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2409 spin_lock_init(&vport
->work_port_lock
);
2411 init_timer(&vport
->fc_disctmo
);
2412 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2413 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2415 init_timer(&vport
->fc_fdmitmo
);
2416 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2417 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2419 init_timer(&vport
->els_tmofunc
);
2420 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2421 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2423 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2427 spin_lock_irq(&phba
->hbalock
);
2428 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2429 spin_unlock_irq(&phba
->hbalock
);
2433 scsi_host_put(shost
);
2439 * destroy_port - destroy an FC port
2440 * @vport: pointer to an lpfc virtual N_Port data structure.
2442 * This routine destroys a FC port from the upper layer protocol. All the
2443 * resources associated with the port are released.
2446 destroy_port(struct lpfc_vport
*vport
)
2448 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2449 struct lpfc_hba
*phba
= vport
->phba
;
2451 lpfc_debugfs_terminate(vport
);
2452 fc_remove_host(shost
);
2453 scsi_remove_host(shost
);
2455 spin_lock_irq(&phba
->hbalock
);
2456 list_del_init(&vport
->listentry
);
2457 spin_unlock_irq(&phba
->hbalock
);
2459 lpfc_cleanup(vport
);
2464 * lpfc_get_instance - Get a unique integer ID
2466 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2467 * uses the kernel idr facility to perform the task.
2470 * instance - a unique integer ID allocated as the new instance.
2471 * -1 - lpfc get instance failed.
2474 lpfc_get_instance(void)
2478 /* Assign an unused number */
2479 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2481 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2487 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2488 * @shost: pointer to SCSI host data structure.
2489 * @time: elapsed time of the scan in jiffies.
2491 * This routine is called by the SCSI layer with a SCSI host to determine
2492 * whether the scan host is finished.
2494 * Note: there is no scan_start function as adapter initialization will have
2495 * asynchronously kicked off the link initialization.
2498 * 0 - SCSI host scan is not over yet.
2499 * 1 - SCSI host scan is over.
2501 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2503 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2504 struct lpfc_hba
*phba
= vport
->phba
;
2507 spin_lock_irq(shost
->host_lock
);
2509 if (vport
->load_flag
& FC_UNLOADING
) {
2513 if (time
>= 30 * HZ
) {
2514 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2515 "0461 Scanning longer than 30 "
2516 "seconds. Continuing initialization\n");
2520 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2521 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2522 "0465 Link down longer than 15 "
2523 "seconds. Continuing initialization\n");
2528 if (vport
->port_state
!= LPFC_VPORT_READY
)
2530 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2532 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2534 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2540 spin_unlock_irq(shost
->host_lock
);
2545 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2546 * @shost: pointer to SCSI host data structure.
2548 * This routine initializes a given SCSI host attributes on a FC port. The
2549 * SCSI host can be either on top of a physical port or a virtual port.
2551 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2553 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2554 struct lpfc_hba
*phba
= vport
->phba
;
2556 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2559 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2560 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2561 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2563 memset(fc_host_supported_fc4s(shost
), 0,
2564 sizeof(fc_host_supported_fc4s(shost
)));
2565 fc_host_supported_fc4s(shost
)[2] = 1;
2566 fc_host_supported_fc4s(shost
)[7] = 1;
2568 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2569 sizeof fc_host_symbolic_name(shost
));
2571 fc_host_supported_speeds(shost
) = 0;
2572 if (phba
->lmt
& LMT_10Gb
)
2573 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2574 if (phba
->lmt
& LMT_8Gb
)
2575 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2576 if (phba
->lmt
& LMT_4Gb
)
2577 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2578 if (phba
->lmt
& LMT_2Gb
)
2579 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2580 if (phba
->lmt
& LMT_1Gb
)
2581 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2583 fc_host_maxframe_size(shost
) =
2584 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2585 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2587 /* This value is also unchanging */
2588 memset(fc_host_active_fc4s(shost
), 0,
2589 sizeof(fc_host_active_fc4s(shost
)));
2590 fc_host_active_fc4s(shost
)[2] = 1;
2591 fc_host_active_fc4s(shost
)[7] = 1;
2593 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2594 spin_lock_irq(shost
->host_lock
);
2595 vport
->load_flag
&= ~FC_LOADING
;
2596 spin_unlock_irq(shost
->host_lock
);
2600 * lpfc_stop_port_s3 - Stop SLI3 device port
2601 * @phba: pointer to lpfc hba data structure.
2603 * This routine is invoked to stop an SLI3 device port, it stops the device
2604 * from generating interrupts and stops the device driver's timers for the
2608 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2610 /* Clear all interrupt enable conditions */
2611 writel(0, phba
->HCregaddr
);
2612 readl(phba
->HCregaddr
); /* flush */
2613 /* Clear all pending interrupts */
2614 writel(0xffffffff, phba
->HAregaddr
);
2615 readl(phba
->HAregaddr
); /* flush */
2617 /* Reset some HBA SLI setup states */
2618 lpfc_stop_hba_timers(phba
);
2619 phba
->pport
->work_port_events
= 0;
2623 * lpfc_stop_port_s4 - Stop SLI4 device port
2624 * @phba: pointer to lpfc hba data structure.
2626 * This routine is invoked to stop an SLI4 device port, it stops the device
2627 * from generating interrupts and stops the device driver's timers for the
2631 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
2633 /* Reset some HBA SLI4 setup states */
2634 lpfc_stop_hba_timers(phba
);
2635 phba
->pport
->work_port_events
= 0;
2636 phba
->sli4_hba
.intr_enable
= 0;
2637 /* Hard clear it for now, shall have more graceful way to wait later */
2638 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
2642 * lpfc_stop_port - Wrapper function for stopping hba port
2643 * @phba: Pointer to HBA context object.
2645 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2646 * the API jump table function pointer from the lpfc_hba struct.
2649 lpfc_stop_port(struct lpfc_hba
*phba
)
2651 phba
->lpfc_stop_port(phba
);
2655 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2656 * @phba: pointer to lpfc hba data structure.
2658 * This routine is invoked to remove the driver default fcf record from
2659 * the port. This routine currently acts on FCF Index 0.
2663 lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*phba
)
2666 LPFC_MBOXQ_t
*mboxq
;
2667 struct lpfc_mbx_del_fcf_tbl_entry
*del_fcf_record
;
2668 uint32_t mbox_tmo
, req_len
;
2669 uint32_t shdr_status
, shdr_add_status
;
2671 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2674 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2678 req_len
= sizeof(struct lpfc_mbx_del_fcf_tbl_entry
) -
2679 sizeof(struct lpfc_sli4_cfg_mhdr
);
2680 rc
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
2681 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF
,
2682 req_len
, LPFC_SLI4_MBX_EMBED
);
2684 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2685 * supports multiple FCF indices.
2687 del_fcf_record
= &mboxq
->u
.mqe
.un
.del_fcf_entry
;
2688 bf_set(lpfc_mbx_del_fcf_tbl_count
, del_fcf_record
, 1);
2689 bf_set(lpfc_mbx_del_fcf_tbl_index
, del_fcf_record
,
2690 phba
->fcf
.fcf_indx
);
2692 if (!phba
->sli4_hba
.intr_enable
)
2693 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2695 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
2696 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
2698 /* The IOCTL status is embedded in the mailbox subheader. */
2699 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2700 &del_fcf_record
->header
.cfg_shdr
.response
);
2701 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2702 &del_fcf_record
->header
.cfg_shdr
.response
);
2703 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2704 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2705 "2516 DEL FCF of default FCF Index failed "
2706 "mbx status x%x, status x%x add_status x%x\n",
2707 rc
, shdr_status
, shdr_add_status
);
2709 if (rc
!= MBX_TIMEOUT
)
2710 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2714 * lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
2715 * @phba: pointer to lpfc hba data structure.
2717 * This function uses the QUERY_FW_CFG mailbox command to determine if the
2718 * firmware loaded supports FCoE. A return of zero indicates that the mailbox
2719 * was successful and the firmware supports FCoE. Any other return indicates
2720 * a error. It is assumed that this function will be called before interrupts
2724 lpfc_sli4_fw_cfg_check(struct lpfc_hba
*phba
)
2727 LPFC_MBOXQ_t
*mboxq
;
2728 struct lpfc_mbx_query_fw_cfg
*query_fw_cfg
;
2730 uint32_t shdr_status
, shdr_add_status
;
2732 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2734 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2735 "2621 Failed to allocate mbox for "
2736 "query firmware config cmd\n");
2739 query_fw_cfg
= &mboxq
->u
.mqe
.un
.query_fw_cfg
;
2740 length
= (sizeof(struct lpfc_mbx_query_fw_cfg
) -
2741 sizeof(struct lpfc_sli4_cfg_mhdr
));
2742 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
2743 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
2744 length
, LPFC_SLI4_MBX_EMBED
);
2745 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
2746 /* The IOCTL status is embedded in the mailbox subheader. */
2747 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
2748 &query_fw_cfg
->header
.cfg_shdr
.response
);
2749 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
2750 &query_fw_cfg
->header
.cfg_shdr
.response
);
2751 if (shdr_status
|| shdr_add_status
|| rc
!= MBX_SUCCESS
) {
2752 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2753 "2622 Query Firmware Config failed "
2754 "mbx status x%x, status x%x add_status x%x\n",
2755 rc
, shdr_status
, shdr_add_status
);
2758 if (!bf_get(lpfc_function_mode_fcoe_i
, query_fw_cfg
)) {
2759 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2760 "2623 FCoE Function not supported by firmware. "
2761 "Function mode = %08x\n",
2762 query_fw_cfg
->function_mode
);
2765 if (rc
!= MBX_TIMEOUT
)
2766 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2771 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2772 * @phba: pointer to lpfc hba data structure.
2773 * @acqe_link: pointer to the async link completion queue entry.
2775 * This routine is to parse the SLI4 link-attention link fault code and
2776 * translate it into the base driver's read link attention mailbox command
2779 * Return: Link-attention status in terms of base driver's coding.
2782 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
2783 struct lpfc_acqe_link
*acqe_link
)
2785 uint16_t latt_fault
;
2787 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
2788 case LPFC_ASYNC_LINK_FAULT_NONE
:
2789 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
2790 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
2794 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2795 "0398 Invalid link fault code: x%x\n",
2796 bf_get(lpfc_acqe_link_fault
, acqe_link
));
2797 latt_fault
= MBXERR_ERROR
;
2804 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2805 * @phba: pointer to lpfc hba data structure.
2806 * @acqe_link: pointer to the async link completion queue entry.
2808 * This routine is to parse the SLI4 link attention type and translate it
2809 * into the base driver's link attention type coding.
2811 * Return: Link attention type in terms of base driver's coding.
2814 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
2815 struct lpfc_acqe_link
*acqe_link
)
2819 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
2820 case LPFC_ASYNC_LINK_STATUS_DOWN
:
2821 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
2822 att_type
= AT_LINK_DOWN
;
2824 case LPFC_ASYNC_LINK_STATUS_UP
:
2825 /* Ignore physical link up events - wait for logical link up */
2826 att_type
= AT_RESERVED
;
2828 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
2829 att_type
= AT_LINK_UP
;
2832 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2833 "0399 Invalid link attention type: x%x\n",
2834 bf_get(lpfc_acqe_link_status
, acqe_link
));
2835 att_type
= AT_RESERVED
;
2842 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2843 * @phba: pointer to lpfc hba data structure.
2844 * @acqe_link: pointer to the async link completion queue entry.
2846 * This routine is to parse the SLI4 link-attention link speed and translate
2847 * it into the base driver's link-attention link speed coding.
2849 * Return: Link-attention link speed in terms of base driver's coding.
2852 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
2853 struct lpfc_acqe_link
*acqe_link
)
2857 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
2858 case LPFC_ASYNC_LINK_SPEED_ZERO
:
2859 link_speed
= LA_UNKNW_LINK
;
2861 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
2862 link_speed
= LA_UNKNW_LINK
;
2864 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
2865 link_speed
= LA_UNKNW_LINK
;
2867 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
2868 link_speed
= LA_1GHZ_LINK
;
2870 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
2871 link_speed
= LA_10GHZ_LINK
;
2874 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2875 "0483 Invalid link-attention link speed: x%x\n",
2876 bf_get(lpfc_acqe_link_speed
, acqe_link
));
2877 link_speed
= LA_UNKNW_LINK
;
2884 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2885 * @phba: pointer to lpfc hba data structure.
2886 * @acqe_link: pointer to the async link completion queue entry.
2888 * This routine is to handle the SLI4 asynchronous link event.
2891 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
2892 struct lpfc_acqe_link
*acqe_link
)
2894 struct lpfc_dmabuf
*mp
;
2900 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
2901 if (att_type
!= AT_LINK_DOWN
&& att_type
!= AT_LINK_UP
)
2903 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
2904 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2906 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2907 "0395 The mboxq allocation failed\n");
2910 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2912 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2913 "0396 The lpfc_dmabuf allocation failed\n");
2916 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2918 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2919 "0397 The mbuf allocation failed\n");
2920 goto out_free_dmabuf
;
2923 /* Cleanup any outstanding ELS commands */
2924 lpfc_els_flush_all_cmd(phba
);
2926 /* Block ELS IOCBs until we have done process link event */
2927 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2929 /* Update link event statistics */
2930 phba
->sli
.slistat
.link_event
++;
2932 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2933 lpfc_read_la(phba
, pmb
, mp
);
2934 pmb
->vport
= phba
->pport
;
2936 /* Parse and translate status field */
2938 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
2940 /* Parse and translate link attention fields */
2941 la
= (READ_LA_VAR
*) &pmb
->u
.mb
.un
.varReadLA
;
2942 la
->eventTag
= acqe_link
->event_tag
;
2943 la
->attType
= att_type
;
2944 la
->UlnkSpeed
= lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
);
2946 /* Fake the the following irrelvant fields */
2947 la
->topology
= TOPOLOGY_PT_PT
;
2948 la
->granted_AL_PA
= 0;
2954 /* Keep the link status for extra SLI4 state machine reference */
2955 phba
->sli4_hba
.link_state
.speed
=
2956 bf_get(lpfc_acqe_link_speed
, acqe_link
);
2957 phba
->sli4_hba
.link_state
.duplex
=
2958 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
2959 phba
->sli4_hba
.link_state
.status
=
2960 bf_get(lpfc_acqe_link_status
, acqe_link
);
2961 phba
->sli4_hba
.link_state
.physical
=
2962 bf_get(lpfc_acqe_link_physical
, acqe_link
);
2963 phba
->sli4_hba
.link_state
.fault
=
2964 bf_get(lpfc_acqe_link_fault
, acqe_link
);
2966 /* Invoke the lpfc_handle_latt mailbox command callback function */
2967 lpfc_mbx_cmpl_read_la(phba
, pmb
);
2974 mempool_free(pmb
, phba
->mbox_mem_pool
);
2978 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2979 * @phba: pointer to lpfc hba data structure.
2980 * @acqe_link: pointer to the async fcoe completion queue entry.
2982 * This routine is to handle the SLI4 asynchronous fcoe event.
2985 lpfc_sli4_async_fcoe_evt(struct lpfc_hba
*phba
,
2986 struct lpfc_acqe_fcoe
*acqe_fcoe
)
2988 uint8_t event_type
= bf_get(lpfc_acqe_fcoe_event_type
, acqe_fcoe
);
2990 struct lpfc_vport
*vport
;
2991 struct lpfc_nodelist
*ndlp
;
2992 struct Scsi_Host
*shost
;
2994 phba
->fc_eventTag
= acqe_fcoe
->event_tag
;
2995 phba
->fcoe_eventtag
= acqe_fcoe
->event_tag
;
2996 switch (event_type
) {
2997 case LPFC_FCOE_EVENT_TYPE_NEW_FCF
:
2998 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2999 "2546 New FCF found index 0x%x tag 0x%x\n",
3001 acqe_fcoe
->event_tag
);
3003 * If the current FCF is in discovered state, or
3004 * FCF discovery is in progress do nothing.
3006 spin_lock_irq(&phba
->hbalock
);
3007 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERED
) ||
3008 (phba
->hba_flag
& FCF_DISC_INPROGRESS
)) {
3009 spin_unlock_irq(&phba
->hbalock
);
3012 spin_unlock_irq(&phba
->hbalock
);
3014 /* Read the FCF table and re-discover SAN. */
3015 rc
= lpfc_sli4_read_fcf_record(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3017 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3018 "2547 Read FCF record failed 0x%x\n",
3022 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL
:
3023 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3024 "2548 FCF Table full count 0x%x tag 0x%x\n",
3025 bf_get(lpfc_acqe_fcoe_fcf_count
, acqe_fcoe
),
3026 acqe_fcoe
->event_tag
);
3029 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD
:
3030 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3031 "2549 FCF disconnected from network index 0x%x"
3032 " tag 0x%x\n", acqe_fcoe
->index
,
3033 acqe_fcoe
->event_tag
);
3034 /* If the event is not for currently used fcf do nothing */
3035 if (phba
->fcf
.fcf_indx
!= acqe_fcoe
->index
)
3038 * Currently, driver support only one FCF - so treat this as
3041 lpfc_linkdown(phba
);
3042 /* Unregister FCF if no devices connected to it */
3043 lpfc_unregister_unused_fcf(phba
);
3045 case LPFC_FCOE_EVENT_TYPE_CVL
:
3046 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
3047 "2718 Clear Virtual Link Received for VPI 0x%x"
3048 " tag 0x%x\n", acqe_fcoe
->index
, acqe_fcoe
->event_tag
);
3049 vport
= lpfc_find_vport_by_vpid(phba
,
3050 acqe_fcoe
->index
- phba
->vpi_base
);
3053 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3056 shost
= lpfc_shost_from_vport(vport
);
3057 lpfc_linkdown_port(vport
);
3058 if (vport
->port_type
!= LPFC_NPIV_PORT
) {
3059 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3060 spin_lock_irq(shost
->host_lock
);
3061 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3062 spin_unlock_irq(shost
->host_lock
);
3063 ndlp
->nlp_last_elscmd
= ELS_CMD_FLOGI
;
3064 vport
->port_state
= LPFC_FLOGI
;
3068 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3069 "0288 Unknown FCoE event type 0x%x event tag "
3070 "0x%x\n", event_type
, acqe_fcoe
->event_tag
);
3076 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3077 * @phba: pointer to lpfc hba data structure.
3078 * @acqe_link: pointer to the async dcbx completion queue entry.
3080 * This routine is to handle the SLI4 asynchronous dcbx event.
3083 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3084 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3086 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3087 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3088 "0290 The SLI4 DCBX asynchronous event is not "
3093 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3094 * @phba: pointer to lpfc hba data structure.
3096 * This routine is invoked by the worker thread to process all the pending
3097 * SLI4 asynchronous events.
3099 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3101 struct lpfc_cq_event
*cq_event
;
3103 /* First, declare the async event has been handled */
3104 spin_lock_irq(&phba
->hbalock
);
3105 phba
->hba_flag
&= ~ASYNC_EVENT
;
3106 spin_unlock_irq(&phba
->hbalock
);
3107 /* Now, handle all the async events */
3108 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3109 /* Get the first event from the head of the event queue */
3110 spin_lock_irq(&phba
->hbalock
);
3111 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3112 cq_event
, struct lpfc_cq_event
, list
);
3113 spin_unlock_irq(&phba
->hbalock
);
3114 /* Process the asynchronous event */
3115 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3116 case LPFC_TRAILER_CODE_LINK
:
3117 lpfc_sli4_async_link_evt(phba
,
3118 &cq_event
->cqe
.acqe_link
);
3120 case LPFC_TRAILER_CODE_FCOE
:
3121 lpfc_sli4_async_fcoe_evt(phba
,
3122 &cq_event
->cqe
.acqe_fcoe
);
3124 case LPFC_TRAILER_CODE_DCBX
:
3125 lpfc_sli4_async_dcbx_evt(phba
,
3126 &cq_event
->cqe
.acqe_dcbx
);
3129 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3130 "1804 Invalid asynchrous event code: "
3131 "x%x\n", bf_get(lpfc_trailer_code
,
3132 &cq_event
->cqe
.mcqe_cmpl
));
3135 /* Free the completion event processed to the free pool */
3136 lpfc_sli4_cq_event_release(phba
, cq_event
);
3141 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3142 * @phba: pointer to lpfc hba data structure.
3143 * @dev_grp: The HBA PCI-Device group number.
3145 * This routine is invoked to set up the per HBA PCI-Device group function
3146 * API jump table entries.
3148 * Return: 0 if success, otherwise -ENODEV
3151 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3155 /* Set up lpfc PCI-device group */
3156 phba
->pci_dev_grp
= dev_grp
;
3158 /* The LPFC_PCI_DEV_OC uses SLI4 */
3159 if (dev_grp
== LPFC_PCI_DEV_OC
)
3160 phba
->sli_rev
= LPFC_SLI_REV4
;
3162 /* Set up device INIT API function jump table */
3163 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3166 /* Set up SCSI API function jump table */
3167 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3170 /* Set up SLI API function jump table */
3171 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3174 /* Set up MBOX API function jump table */
3175 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3183 * lpfc_log_intr_mode - Log the active interrupt mode
3184 * @phba: pointer to lpfc hba data structure.
3185 * @intr_mode: active interrupt mode adopted.
3187 * This routine it invoked to log the currently used active interrupt mode
3190 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3192 switch (intr_mode
) {
3194 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3195 "0470 Enable INTx interrupt mode.\n");
3198 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3199 "0481 Enabled MSI interrupt mode.\n");
3202 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3203 "0480 Enabled MSI-X interrupt mode.\n");
3206 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3207 "0482 Illegal interrupt mode.\n");
3214 * lpfc_enable_pci_dev - Enable a generic PCI device.
3215 * @phba: pointer to lpfc hba data structure.
3217 * This routine is invoked to enable the PCI device that is common to all
3222 * other values - error
3225 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3227 struct pci_dev
*pdev
;
3230 /* Obtain PCI device reference */
3234 pdev
= phba
->pcidev
;
3235 /* Select PCI BARs */
3236 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3237 /* Enable PCI device */
3238 if (pci_enable_device_mem(pdev
))
3240 /* Request PCI resource for the device */
3241 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3242 goto out_disable_device
;
3243 /* Set up device as PCI master and save state for EEH */
3244 pci_set_master(pdev
);
3245 pci_try_set_mwi(pdev
);
3246 pci_save_state(pdev
);
3251 pci_disable_device(pdev
);
3257 * lpfc_disable_pci_dev - Disable a generic PCI device.
3258 * @phba: pointer to lpfc hba data structure.
3260 * This routine is invoked to disable the PCI device that is common to all
3264 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
3266 struct pci_dev
*pdev
;
3269 /* Obtain PCI device reference */
3273 pdev
= phba
->pcidev
;
3274 /* Select PCI BARs */
3275 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3276 /* Release PCI resource and disable PCI device */
3277 pci_release_selected_regions(pdev
, bars
);
3278 pci_disable_device(pdev
);
3279 /* Null out PCI private reference to driver */
3280 pci_set_drvdata(pdev
, NULL
);
3286 * lpfc_reset_hba - Reset a hba
3287 * @phba: pointer to lpfc hba data structure.
3289 * This routine is invoked to reset a hba device. It brings the HBA
3290 * offline, performs a board restart, and then brings the board back
3291 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3292 * on outstanding mailbox commands.
3295 lpfc_reset_hba(struct lpfc_hba
*phba
)
3297 /* If resets are disabled then set error state and return. */
3298 if (!phba
->cfg_enable_hba_reset
) {
3299 phba
->link_state
= LPFC_HBA_ERROR
;
3302 lpfc_offline_prep(phba
);
3304 lpfc_sli_brdrestart(phba
);
3306 lpfc_unblock_mgmt_io(phba
);
3310 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3311 * @phba: pointer to lpfc hba data structure.
3313 * This routine is invoked to set up the driver internal resources specific to
3314 * support the SLI-3 HBA device it attached to.
3318 * other values - error
3321 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
3323 struct lpfc_sli
*psli
;
3326 * Initialize timers used by driver
3329 /* Heartbeat timer */
3330 init_timer(&phba
->hb_tmofunc
);
3331 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3332 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3335 /* MBOX heartbeat timer */
3336 init_timer(&psli
->mbox_tmo
);
3337 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3338 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3339 /* FCP polling mode timer */
3340 init_timer(&phba
->fcp_poll_timer
);
3341 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
3342 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
3343 /* Fabric block timer */
3344 init_timer(&phba
->fabric_block_timer
);
3345 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3346 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3347 /* EA polling mode timer */
3348 init_timer(&phba
->eratt_poll
);
3349 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3350 phba
->eratt_poll
.data
= (unsigned long) phba
;
3352 /* Host attention work mask setup */
3353 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
3354 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
3356 /* Get all the module params for configuring this host */
3357 lpfc_get_cfgparam(phba
);
3359 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3360 * used to create the sg_dma_buf_pool must be dynamically calculated.
3361 * 2 segments are added since the IOCB needs a command and response bde.
3363 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
3364 sizeof(struct fcp_rsp
) +
3365 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
3367 if (phba
->cfg_enable_bg
) {
3368 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
3369 phba
->cfg_sg_dma_buf_size
+=
3370 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
3373 /* Also reinitialize the host templates with new values. */
3374 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3375 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3377 phba
->max_vpi
= LPFC_MAX_VPI
;
3378 /* This will be set to correct value after config_port mbox */
3379 phba
->max_vports
= 0;
3382 * Initialize the SLI Layer to run with lpfc HBAs.
3384 lpfc_sli_setup(phba
);
3385 lpfc_sli_queue_setup(phba
);
3387 /* Allocate device driver memory */
3388 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
3395 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3396 * @phba: pointer to lpfc hba data structure.
3398 * This routine is invoked to unset the driver internal resources set up
3399 * specific for supporting the SLI-3 HBA device it attached to.
3402 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
3404 /* Free device driver memory allocated */
3405 lpfc_mem_free_all(phba
);
3411 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3412 * @phba: pointer to lpfc hba data structure.
3414 * This routine is invoked to set up the driver internal resources specific to
3415 * support the SLI-4 HBA device it attached to.
3419 * other values - error
3422 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
3424 struct lpfc_sli
*psli
;
3428 /* Before proceed, wait for POST done and device ready */
3429 rc
= lpfc_sli4_post_status_check(phba
);
3434 * Initialize timers used by driver
3437 /* Heartbeat timer */
3438 init_timer(&phba
->hb_tmofunc
);
3439 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
3440 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
3443 /* MBOX heartbeat timer */
3444 init_timer(&psli
->mbox_tmo
);
3445 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
3446 psli
->mbox_tmo
.data
= (unsigned long) phba
;
3447 /* Fabric block timer */
3448 init_timer(&phba
->fabric_block_timer
);
3449 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
3450 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
3451 /* EA polling mode timer */
3452 init_timer(&phba
->eratt_poll
);
3453 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
3454 phba
->eratt_poll
.data
= (unsigned long) phba
;
3456 * We need to do a READ_CONFIG mailbox command here before
3457 * calling lpfc_get_cfgparam. For VFs this will report the
3458 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3459 * All of the resources allocated
3460 * for this Port are tied to these values.
3462 /* Get all the module params for configuring this host */
3463 lpfc_get_cfgparam(phba
);
3464 phba
->max_vpi
= LPFC_MAX_VPI
;
3465 /* This will be set to correct value after the read_config mbox */
3466 phba
->max_vports
= 0;
3468 /* Program the default value of vlan_id and fc_map */
3469 phba
->valid_vlan
= 0;
3470 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
3471 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
3472 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
3475 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3476 * used to create the sg_dma_buf_pool must be dynamically calculated.
3477 * 2 segments are added since the IOCB needs a command and response bde.
3478 * To insure that the scsi sgl does not cross a 4k page boundary only
3479 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3480 * Table of sgl sizes and seg_cnt:
3481 * sgl size, sg_seg_cnt total seg
3486 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3487 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3488 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3489 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3491 if (phba
->cfg_sg_seg_cnt
<= LPFC_DEFAULT_SG_SEG_CNT
)
3492 phba
->cfg_sg_seg_cnt
= 50;
3493 else if (phba
->cfg_sg_seg_cnt
<= 114)
3494 phba
->cfg_sg_seg_cnt
= 114;
3495 else if (phba
->cfg_sg_seg_cnt
<= 242)
3496 phba
->cfg_sg_seg_cnt
= 242;
3498 phba
->cfg_sg_seg_cnt
= 498;
3500 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
)
3501 + sizeof(struct fcp_rsp
);
3502 phba
->cfg_sg_dma_buf_size
+=
3503 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
3505 /* Initialize buffer queue management fields */
3506 hbq_count
= lpfc_sli_hbq_count();
3507 for (i
= 0; i
< hbq_count
; ++i
)
3508 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
3509 INIT_LIST_HEAD(&phba
->rb_pend_list
);
3510 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
3511 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
3514 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3516 /* Initialize the Abort scsi buffer list used by driver */
3517 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
3518 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
3519 /* This abort list used by worker thread */
3520 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
3523 * Initialize dirver internal slow-path work queues
3526 /* Driver internel slow-path CQ Event pool */
3527 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
3528 /* Response IOCB work queue list */
3529 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
3530 /* Asynchronous event CQ Event work queue list */
3531 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
3532 /* Fast-path XRI aborted CQ Event work queue list */
3533 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
3534 /* Slow-path XRI aborted CQ Event work queue list */
3535 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
3536 /* Receive queue CQ Event work queue list */
3537 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
3539 /* Initialize the driver internal SLI layer lists. */
3540 lpfc_sli_setup(phba
);
3541 lpfc_sli_queue_setup(phba
);
3543 /* Allocate device driver memory */
3544 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
3548 /* Create the bootstrap mailbox command */
3549 rc
= lpfc_create_bootstrap_mbox(phba
);
3553 /* Set up the host's endian order with the device. */
3554 rc
= lpfc_setup_endian_order(phba
);
3556 goto out_free_bsmbx
;
3558 rc
= lpfc_sli4_fw_cfg_check(phba
);
3560 goto out_free_bsmbx
;
3562 /* Set up the hba's configuration parameters. */
3563 rc
= lpfc_sli4_read_config(phba
);
3565 goto out_free_bsmbx
;
3567 /* Perform a function reset */
3568 rc
= lpfc_pci_function_reset(phba
);
3570 goto out_free_bsmbx
;
3572 /* Create all the SLI4 queues */
3573 rc
= lpfc_sli4_queue_create(phba
);
3575 goto out_free_bsmbx
;
3577 /* Create driver internal CQE event pool */
3578 rc
= lpfc_sli4_cq_event_pool_create(phba
);
3580 goto out_destroy_queue
;
3582 /* Initialize and populate the iocb list per host */
3583 rc
= lpfc_init_sgl_list(phba
);
3585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3586 "1400 Failed to initialize sgl list.\n");
3587 goto out_destroy_cq_event_pool
;
3589 rc
= lpfc_init_active_sgl_array(phba
);
3591 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3592 "1430 Failed to initialize sgl list.\n");
3593 goto out_free_sgl_list
;
3596 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
3598 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3599 "1432 Failed to initialize rpi headers.\n");
3600 goto out_free_active_sgl
;
3603 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
3604 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
3605 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
3606 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3607 "2572 Failed allocate memory for fast-path "
3608 "per-EQ handle array\n");
3609 goto out_remove_rpi_hdrs
;
3612 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
3613 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
3614 if (!phba
->sli4_hba
.msix_entries
) {
3615 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3616 "2573 Failed allocate memory for msi-x "
3617 "interrupt vector entries\n");
3618 goto out_free_fcp_eq_hdl
;
3623 out_free_fcp_eq_hdl
:
3624 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3625 out_remove_rpi_hdrs
:
3626 lpfc_sli4_remove_rpi_hdrs(phba
);
3627 out_free_active_sgl
:
3628 lpfc_free_active_sgl(phba
);
3630 lpfc_free_sgl_list(phba
);
3631 out_destroy_cq_event_pool
:
3632 lpfc_sli4_cq_event_pool_destroy(phba
);
3634 lpfc_sli4_queue_destroy(phba
);
3636 lpfc_destroy_bootstrap_mbox(phba
);
3638 lpfc_mem_free(phba
);
3643 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3644 * @phba: pointer to lpfc hba data structure.
3646 * This routine is invoked to unset the driver internal resources set up
3647 * specific for supporting the SLI-4 HBA device it attached to.
3650 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
3652 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
3654 /* unregister default FCFI from the HBA */
3655 lpfc_sli4_fcfi_unreg(phba
, phba
->fcf
.fcfi
);
3657 /* Free the default FCR table */
3658 lpfc_sli_remove_dflt_fcf(phba
);
3660 /* Free memory allocated for msi-x interrupt vector entries */
3661 kfree(phba
->sli4_hba
.msix_entries
);
3663 /* Free memory allocated for fast-path work queue handles */
3664 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
3666 /* Free the allocated rpi headers. */
3667 lpfc_sli4_remove_rpi_hdrs(phba
);
3668 lpfc_sli4_remove_rpis(phba
);
3670 /* Free the ELS sgl list */
3671 lpfc_free_active_sgl(phba
);
3672 lpfc_free_sgl_list(phba
);
3674 /* Free the SCSI sgl management array */
3675 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
3677 /* Free the SLI4 queues */
3678 lpfc_sli4_queue_destroy(phba
);
3680 /* Free the completion queue EQ event pool */
3681 lpfc_sli4_cq_event_release_all(phba
);
3682 lpfc_sli4_cq_event_pool_destroy(phba
);
3684 /* Reset SLI4 HBA FCoE function */
3685 lpfc_pci_function_reset(phba
);
3687 /* Free the bsmbx region. */
3688 lpfc_destroy_bootstrap_mbox(phba
);
3690 /* Free the SLI Layer memory with SLI4 HBAs */
3691 lpfc_mem_free_all(phba
);
3693 /* Free the current connect table */
3694 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
3695 &phba
->fcf_conn_rec_list
, list
) {
3696 list_del_init(&conn_entry
->list
);
3704 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3705 * @phba: The hba struct for which this call is being executed.
3706 * @dev_grp: The HBA PCI-Device group number.
3708 * This routine sets up the device INIT interface API function jump table
3711 * Returns: 0 - success, -ENODEV - failure.
3714 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3717 case LPFC_PCI_DEV_LP
:
3718 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
3719 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
3720 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
3722 case LPFC_PCI_DEV_OC
:
3723 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
3724 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
3725 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
3728 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3729 "1431 Invalid HBA PCI-device group: 0x%x\n",
3738 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3739 * @phba: pointer to lpfc hba data structure.
3741 * This routine is invoked to set up the driver internal resources before the
3742 * device specific resource setup to support the HBA device it attached to.
3746 * other values - error
3749 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
3752 * Driver resources common to all SLI revisions
3754 atomic_set(&phba
->fast_event_count
, 0);
3755 spin_lock_init(&phba
->hbalock
);
3757 /* Initialize ndlp management spinlock */
3758 spin_lock_init(&phba
->ndlp_lock
);
3760 INIT_LIST_HEAD(&phba
->port_list
);
3761 INIT_LIST_HEAD(&phba
->work_list
);
3762 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
3764 /* Initialize the wait queue head for the kernel thread */
3765 init_waitqueue_head(&phba
->work_waitq
);
3767 /* Initialize the scsi buffer list used by driver for scsi IO */
3768 spin_lock_init(&phba
->scsi_buf_list_lock
);
3769 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
3771 /* Initialize the fabric iocb list */
3772 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
3774 /* Initialize list to save ELS buffers */
3775 INIT_LIST_HEAD(&phba
->elsbuf
);
3777 /* Initialize FCF connection rec list */
3778 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
3784 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3785 * @phba: pointer to lpfc hba data structure.
3787 * This routine is invoked to set up the driver internal resources after the
3788 * device specific resource setup to support the HBA device it attached to.
3792 * other values - error
3795 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
3799 /* Startup the kernel thread for this host adapter. */
3800 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
3801 "lpfc_worker_%d", phba
->brd_no
);
3802 if (IS_ERR(phba
->worker_thread
)) {
3803 error
= PTR_ERR(phba
->worker_thread
);
3811 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3812 * @phba: pointer to lpfc hba data structure.
3814 * This routine is invoked to unset the driver internal resources set up after
3815 * the device specific resource setup for supporting the HBA device it
3819 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
3821 /* Stop kernel worker thread */
3822 kthread_stop(phba
->worker_thread
);
3826 * lpfc_free_iocb_list - Free iocb list.
3827 * @phba: pointer to lpfc hba data structure.
3829 * This routine is invoked to free the driver's IOCB list and memory.
3832 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
3834 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
3836 spin_lock_irq(&phba
->hbalock
);
3837 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
3838 &phba
->lpfc_iocb_list
, list
) {
3839 list_del(&iocbq_entry
->list
);
3841 phba
->total_iocbq_bufs
--;
3843 spin_unlock_irq(&phba
->hbalock
);
3849 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3850 * @phba: pointer to lpfc hba data structure.
3852 * This routine is invoked to allocate and initizlize the driver's IOCB
3853 * list and set up the IOCB tag array accordingly.
3857 * other values - error
3860 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
3862 struct lpfc_iocbq
*iocbq_entry
= NULL
;
3866 /* Initialize and populate the iocb list per host. */
3867 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
3868 for (i
= 0; i
< iocb_count
; i
++) {
3869 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
3870 if (iocbq_entry
== NULL
) {
3871 printk(KERN_ERR
"%s: only allocated %d iocbs of "
3872 "expected %d count. Unloading driver.\n",
3873 __func__
, i
, LPFC_IOCB_LIST_CNT
);
3874 goto out_free_iocbq
;
3877 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
3880 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
3881 "Unloading driver.\n", __func__
);
3882 goto out_free_iocbq
;
3884 iocbq_entry
->sli4_xritag
= NO_XRI
;
3886 spin_lock_irq(&phba
->hbalock
);
3887 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
3888 phba
->total_iocbq_bufs
++;
3889 spin_unlock_irq(&phba
->hbalock
);
3895 lpfc_free_iocb_list(phba
);
3901 * lpfc_free_sgl_list - Free sgl list.
3902 * @phba: pointer to lpfc hba data structure.
3904 * This routine is invoked to free the driver's sgl list and memory.
3907 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
3909 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
3910 LIST_HEAD(sglq_list
);
3913 spin_lock_irq(&phba
->hbalock
);
3914 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
3915 spin_unlock_irq(&phba
->hbalock
);
3917 list_for_each_entry_safe(sglq_entry
, sglq_next
,
3919 list_del(&sglq_entry
->list
);
3920 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
3922 phba
->sli4_hba
.total_sglq_bufs
--;
3924 rc
= lpfc_sli4_remove_all_sgl_pages(phba
);
3926 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3927 "2005 Unable to deregister pages from HBA: %x\n", rc
);
3929 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
3933 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3934 * @phba: pointer to lpfc hba data structure.
3936 * This routine is invoked to allocate the driver's active sgl memory.
3937 * This array will hold the sglq_entry's for active IOs.
3940 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
3943 size
= sizeof(struct lpfc_sglq
*);
3944 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
3946 phba
->sli4_hba
.lpfc_sglq_active_list
=
3947 kzalloc(size
, GFP_KERNEL
);
3948 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
3954 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3955 * @phba: pointer to lpfc hba data structure.
3957 * This routine is invoked to walk through the array of active sglq entries
3958 * and free all of the resources.
3959 * This is just a place holder for now.
3962 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
3964 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
3968 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3969 * @phba: pointer to lpfc hba data structure.
3971 * This routine is invoked to allocate and initizlize the driver's sgl
3972 * list and set up the sgl xritag tag array accordingly.
3976 * other values - error
3979 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
3981 struct lpfc_sglq
*sglq_entry
= NULL
;
3985 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3986 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3987 "2400 lpfc_init_sgl_list els %d.\n",
3989 /* Initialize and populate the sglq list per host/VF. */
3990 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
3991 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
3993 /* Sanity check on XRI management */
3994 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
3995 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3996 "2562 No room left for SCSI XRI allocation: "
3997 "max_xri=%d, els_xri=%d\n",
3998 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4003 /* Allocate memory for the ELS XRI management array */
4004 phba
->sli4_hba
.lpfc_els_sgl_array
=
4005 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4008 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4009 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4010 "2401 Failed to allocate memory for ELS "
4011 "XRI management array of size %d.\n",
4016 /* Keep the SCSI XRI into the XRI management array */
4017 phba
->sli4_hba
.scsi_xri_max
=
4018 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4019 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4021 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4022 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4023 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4025 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4026 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4027 "2563 Failed to allocate memory for SCSI "
4028 "XRI management array of size %d.\n",
4029 phba
->sli4_hba
.scsi_xri_max
);
4030 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4034 for (i
= 0; i
< els_xri_cnt
; i
++) {
4035 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4036 if (sglq_entry
== NULL
) {
4037 printk(KERN_ERR
"%s: only allocated %d sgls of "
4038 "expected %d count. Unloading driver.\n",
4039 __func__
, i
, els_xri_cnt
);
4043 sglq_entry
->sli4_xritag
= lpfc_sli4_next_xritag(phba
);
4044 if (sglq_entry
->sli4_xritag
== NO_XRI
) {
4046 printk(KERN_ERR
"%s: failed to allocate XRI.\n"
4047 "Unloading driver.\n", __func__
);
4050 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4051 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4052 if (sglq_entry
->virt
== NULL
) {
4054 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
4055 "Unloading driver.\n", __func__
);
4058 sglq_entry
->sgl
= sglq_entry
->virt
;
4059 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
4061 /* The list order is used by later block SGL registraton */
4062 spin_lock_irq(&phba
->hbalock
);
4063 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
4064 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
4065 phba
->sli4_hba
.total_sglq_bufs
++;
4066 spin_unlock_irq(&phba
->hbalock
);
4071 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4072 lpfc_free_sgl_list(phba
);
4077 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
4078 * @phba: pointer to lpfc hba data structure.
4080 * This routine is invoked to post rpi header templates to the
4081 * HBA consistent with the SLI-4 interface spec. This routine
4082 * posts a PAGE_SIZE memory region to the port to hold up to
4083 * PAGE_SIZE modulo 64 rpi context headers.
4084 * No locks are held here because this is an initialization routine
4085 * called only from probe or lpfc_online when interrupts are not
4086 * enabled and the driver is reinitializing the device.
4090 * ENOMEM - No availble memory
4091 * EIO - The mailbox failed to complete successfully.
4094 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
4099 struct lpfc_rpi_hdr
*rpi_hdr
;
4101 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4104 * Provision an rpi bitmask range for discovery. The total count
4105 * is the difference between max and base + 1.
4107 rpi_count
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4108 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4110 longs
= ((rpi_count
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
4111 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4113 if (!phba
->sli4_hba
.rpi_bmask
)
4116 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
4118 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
4119 "0391 Error during rpi post operation\n");
4120 lpfc_sli4_remove_rpis(phba
);
4128 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4129 * @phba: pointer to lpfc hba data structure.
4131 * This routine is invoked to allocate a single 4KB memory region to
4132 * support rpis and stores them in the phba. This single region
4133 * provides support for up to 64 rpis. The region is used globally
4137 * A valid rpi hdr on success.
4138 * A NULL pointer on any failure.
4140 struct lpfc_rpi_hdr
*
4141 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
4143 uint16_t rpi_limit
, curr_rpi_range
;
4144 struct lpfc_dmabuf
*dmabuf
;
4145 struct lpfc_rpi_hdr
*rpi_hdr
;
4147 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
4148 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
4150 spin_lock_irq(&phba
->hbalock
);
4151 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
4152 spin_unlock_irq(&phba
->hbalock
);
4155 * The port has a limited number of rpis. The increment here
4156 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4157 * and to allow the full max_rpi range per port.
4159 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
4163 * First allocate the protocol header region for the port. The
4164 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4166 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4170 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4171 LPFC_HDR_TEMPLATE_SIZE
,
4174 if (!dmabuf
->virt
) {
4176 goto err_free_dmabuf
;
4179 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
4180 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
4182 goto err_free_coherent
;
4185 /* Save the rpi header data for cleanup later. */
4186 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
4188 goto err_free_coherent
;
4190 rpi_hdr
->dmabuf
= dmabuf
;
4191 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
4192 rpi_hdr
->page_count
= 1;
4193 spin_lock_irq(&phba
->hbalock
);
4194 rpi_hdr
->start_rpi
= phba
->sli4_hba
.next_rpi
;
4195 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
4198 * The next_rpi stores the next module-64 rpi value to post
4199 * in any subsequent rpi memory region postings.
4201 phba
->sli4_hba
.next_rpi
+= LPFC_RPI_HDR_COUNT
;
4202 spin_unlock_irq(&phba
->hbalock
);
4206 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
4207 dmabuf
->virt
, dmabuf
->phys
);
4214 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4215 * @phba: pointer to lpfc hba data structure.
4217 * This routine is invoked to remove all memory resources allocated
4218 * to support rpis. This routine presumes the caller has released all
4219 * rpis consumed by fabric or port logins and is prepared to have
4220 * the header pages removed.
4223 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
4225 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
4227 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
4228 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
4229 list_del(&rpi_hdr
->list
);
4230 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
4231 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
4232 kfree(rpi_hdr
->dmabuf
);
4236 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4237 memset(phba
->sli4_hba
.rpi_bmask
, 0, sizeof(*phba
->sli4_hba
.rpi_bmask
));
4241 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4242 * @pdev: pointer to pci device data structure.
4244 * This routine is invoked to allocate the driver hba data structure for an
4245 * HBA device. If the allocation is successful, the phba reference to the
4246 * PCI device data structure is set.
4249 * pointer to @phba - sucessful
4252 static struct lpfc_hba
*
4253 lpfc_hba_alloc(struct pci_dev
*pdev
)
4255 struct lpfc_hba
*phba
;
4257 /* Allocate memory for HBA structure */
4258 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
4260 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
4264 /* Set reference to PCI device in HBA structure */
4265 phba
->pcidev
= pdev
;
4267 /* Assign an unused board number */
4268 phba
->brd_no
= lpfc_get_instance();
4269 if (phba
->brd_no
< 0) {
4274 mutex_init(&phba
->ct_event_mutex
);
4275 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
4281 * lpfc_hba_free - Free driver hba data structure with a device.
4282 * @phba: pointer to lpfc hba data structure.
4284 * This routine is invoked to free the driver hba data structure with an
4288 lpfc_hba_free(struct lpfc_hba
*phba
)
4290 /* Release the driver assigned board number */
4291 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
4298 * lpfc_create_shost - Create hba physical port with associated scsi host.
4299 * @phba: pointer to lpfc hba data structure.
4301 * This routine is invoked to create HBA physical port and associate a SCSI
4306 * other values - error
4309 lpfc_create_shost(struct lpfc_hba
*phba
)
4311 struct lpfc_vport
*vport
;
4312 struct Scsi_Host
*shost
;
4314 /* Initialize HBA FC structure */
4315 phba
->fc_edtov
= FF_DEF_EDTOV
;
4316 phba
->fc_ratov
= FF_DEF_RATOV
;
4317 phba
->fc_altov
= FF_DEF_ALTOV
;
4318 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
4320 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
4324 shost
= lpfc_shost_from_vport(vport
);
4325 phba
->pport
= vport
;
4326 lpfc_debugfs_initialize(vport
);
4327 /* Put reference to SCSI host to driver's device private data */
4328 pci_set_drvdata(phba
->pcidev
, shost
);
4334 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4335 * @phba: pointer to lpfc hba data structure.
4337 * This routine is invoked to destroy HBA physical port and the associated
4341 lpfc_destroy_shost(struct lpfc_hba
*phba
)
4343 struct lpfc_vport
*vport
= phba
->pport
;
4345 /* Destroy physical port that associated with the SCSI host */
4346 destroy_port(vport
);
4352 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4353 * @phba: pointer to lpfc hba data structure.
4354 * @shost: the shost to be used to detect Block guard settings.
4356 * This routine sets up the local Block guard protocol settings for @shost.
4357 * This routine also allocates memory for debugging bg buffers.
4360 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
4363 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
4364 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4365 "1478 Registering BlockGuard with the "
4367 scsi_host_set_prot(shost
, lpfc_prot_mask
);
4368 scsi_host_set_guard(shost
, lpfc_prot_guard
);
4370 if (!_dump_buf_data
) {
4372 spin_lock_init(&_dump_buf_lock
);
4374 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4375 if (_dump_buf_data
) {
4376 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4377 "9043 BLKGRD: allocated %d pages for "
4378 "_dump_buf_data at 0x%p\n",
4379 (1 << pagecnt
), _dump_buf_data
);
4380 _dump_buf_data_order
= pagecnt
;
4381 memset(_dump_buf_data
, 0,
4382 ((1 << PAGE_SHIFT
) << pagecnt
));
4387 if (!_dump_buf_data_order
)
4388 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4389 "9044 BLKGRD: ERROR unable to allocate "
4390 "memory for hexdump\n");
4392 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4393 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
4394 "\n", _dump_buf_data
);
4395 if (!_dump_buf_dif
) {
4398 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
4399 if (_dump_buf_dif
) {
4400 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4401 "9046 BLKGRD: allocated %d pages for "
4402 "_dump_buf_dif at 0x%p\n",
4403 (1 << pagecnt
), _dump_buf_dif
);
4404 _dump_buf_dif_order
= pagecnt
;
4405 memset(_dump_buf_dif
, 0,
4406 ((1 << PAGE_SHIFT
) << pagecnt
));
4411 if (!_dump_buf_dif_order
)
4412 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4413 "9047 BLKGRD: ERROR unable to allocate "
4414 "memory for hexdump\n");
4416 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
4417 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
4422 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4423 * @phba: pointer to lpfc hba data structure.
4425 * This routine is invoked to perform all the necessary post initialization
4426 * setup for the device.
4429 lpfc_post_init_setup(struct lpfc_hba
*phba
)
4431 struct Scsi_Host
*shost
;
4432 struct lpfc_adapter_event_header adapter_event
;
4434 /* Get the default values for Model Name and Description */
4435 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
4438 * hba setup may have changed the hba_queue_depth so we need to
4439 * adjust the value of can_queue.
4441 shost
= pci_get_drvdata(phba
->pcidev
);
4442 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
4443 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
4444 lpfc_setup_bg(phba
, shost
);
4446 lpfc_host_attrib_init(shost
);
4448 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
4449 spin_lock_irq(shost
->host_lock
);
4450 lpfc_poll_start_timer(phba
);
4451 spin_unlock_irq(shost
->host_lock
);
4454 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4455 "0428 Perform SCSI scan\n");
4456 /* Send board arrival event to upper layer */
4457 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
4458 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
4459 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4460 sizeof(adapter_event
),
4461 (char *) &adapter_event
,
4467 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4468 * @phba: pointer to lpfc hba data structure.
4470 * This routine is invoked to set up the PCI device memory space for device
4471 * with SLI-3 interface spec.
4475 * other values - error
4478 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
4480 struct pci_dev
*pdev
;
4481 unsigned long bar0map_len
, bar2map_len
;
4484 int error
= -ENODEV
;
4486 /* Obtain PCI device reference */
4490 pdev
= phba
->pcidev
;
4492 /* Set the device DMA mask size */
4493 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
4494 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
4497 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4498 * required by each mapping.
4500 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
4501 bar0map_len
= pci_resource_len(pdev
, 0);
4503 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
4504 bar2map_len
= pci_resource_len(pdev
, 2);
4506 /* Map HBA SLIM to a kernel virtual address. */
4507 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
4508 if (!phba
->slim_memmap_p
) {
4509 dev_printk(KERN_ERR
, &pdev
->dev
,
4510 "ioremap failed for SLIM memory.\n");
4514 /* Map HBA Control Registers to a kernel virtual address. */
4515 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
4516 if (!phba
->ctrl_regs_memmap_p
) {
4517 dev_printk(KERN_ERR
, &pdev
->dev
,
4518 "ioremap failed for HBA control registers.\n");
4519 goto out_iounmap_slim
;
4522 /* Allocate memory for SLI-2 structures */
4523 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
4527 if (!phba
->slim2p
.virt
)
4530 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
4531 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
4532 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
4533 phba
->IOCBs
= (phba
->slim2p
.virt
+
4534 offsetof(struct lpfc_sli2_slim
, IOCBs
));
4536 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
4537 lpfc_sli_hbq_size(),
4538 &phba
->hbqslimp
.phys
,
4540 if (!phba
->hbqslimp
.virt
)
4543 hbq_count
= lpfc_sli_hbq_count();
4544 ptr
= phba
->hbqslimp
.virt
;
4545 for (i
= 0; i
< hbq_count
; ++i
) {
4546 phba
->hbqs
[i
].hbq_virt
= ptr
;
4547 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4548 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
4549 sizeof(struct lpfc_hbq_entry
));
4551 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
4552 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
4554 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
4556 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4558 phba
->MBslimaddr
= phba
->slim_memmap_p
;
4559 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
4560 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
4561 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
4562 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
4567 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4568 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4570 iounmap(phba
->ctrl_regs_memmap_p
);
4572 iounmap(phba
->slim_memmap_p
);
4578 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4579 * @phba: pointer to lpfc hba data structure.
4581 * This routine is invoked to unset the PCI device memory space for device
4582 * with SLI-3 interface spec.
4585 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
4587 struct pci_dev
*pdev
;
4589 /* Obtain PCI device reference */
4593 pdev
= phba
->pcidev
;
4595 /* Free coherent DMA memory allocated */
4596 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
4597 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
4598 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
4599 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
4601 /* I/O memory unmap */
4602 iounmap(phba
->ctrl_regs_memmap_p
);
4603 iounmap(phba
->slim_memmap_p
);
4609 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4610 * @phba: pointer to lpfc hba data structure.
4612 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4613 * done and check status.
4615 * Return 0 if successful, otherwise -ENODEV.
4618 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
4620 struct lpfc_register sta_reg
, uerrlo_reg
, uerrhi_reg
, scratchpad
;
4621 uint32_t onlnreg0
, onlnreg1
;
4622 int i
, port_error
= -ENODEV
;
4624 if (!phba
->sli4_hba
.STAregaddr
)
4627 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4628 for (i
= 0; i
< 3000; i
++) {
4629 sta_reg
.word0
= readl(phba
->sli4_hba
.STAregaddr
);
4630 /* Encounter fatal POST error, break out */
4631 if (bf_get(lpfc_hst_state_perr
, &sta_reg
)) {
4632 port_error
= -ENODEV
;
4635 if (LPFC_POST_STAGE_ARMFW_READY
==
4636 bf_get(lpfc_hst_state_port_status
, &sta_reg
)) {
4644 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4645 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4646 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4647 "dl=x%x, pstatus=x%x\n", sta_reg
.word0
,
4648 bf_get(lpfc_hst_state_perr
, &sta_reg
),
4649 bf_get(lpfc_hst_state_sfi
, &sta_reg
),
4650 bf_get(lpfc_hst_state_nip
, &sta_reg
),
4651 bf_get(lpfc_hst_state_ipc
, &sta_reg
),
4652 bf_get(lpfc_hst_state_xrom
, &sta_reg
),
4653 bf_get(lpfc_hst_state_dl
, &sta_reg
),
4654 bf_get(lpfc_hst_state_port_status
, &sta_reg
));
4656 /* Log device information */
4657 scratchpad
.word0
= readl(phba
->sli4_hba
.SCRATCHPADregaddr
);
4658 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4659 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4660 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4661 bf_get(lpfc_scratchpad_chiptype
, &scratchpad
),
4662 bf_get(lpfc_scratchpad_slirev
, &scratchpad
),
4663 bf_get(lpfc_scratchpad_featurelevel1
, &scratchpad
),
4664 bf_get(lpfc_scratchpad_featurelevel2
, &scratchpad
));
4666 /* With uncoverable error, log the error message and return error */
4667 onlnreg0
= readl(phba
->sli4_hba
.ONLINE0regaddr
);
4668 onlnreg1
= readl(phba
->sli4_hba
.ONLINE1regaddr
);
4669 if ((onlnreg0
!= LPFC_ONLINE_NERR
) || (onlnreg1
!= LPFC_ONLINE_NERR
)) {
4670 uerrlo_reg
.word0
= readl(phba
->sli4_hba
.UERRLOregaddr
);
4671 uerrhi_reg
.word0
= readl(phba
->sli4_hba
.UERRHIregaddr
);
4672 if (uerrlo_reg
.word0
|| uerrhi_reg
.word0
) {
4673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4674 "1422 HBA Unrecoverable error: "
4675 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4676 "online0_reg=0x%x, online1_reg=0x%x\n",
4677 uerrlo_reg
.word0
, uerrhi_reg
.word0
,
4678 onlnreg0
, onlnreg1
);
4687 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4688 * @phba: pointer to lpfc hba data structure.
4690 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4694 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
)
4696 phba
->sli4_hba
.UERRLOregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4697 LPFC_UERR_STATUS_LO
;
4698 phba
->sli4_hba
.UERRHIregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4699 LPFC_UERR_STATUS_HI
;
4700 phba
->sli4_hba
.ONLINE0regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4702 phba
->sli4_hba
.ONLINE1regaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4704 phba
->sli4_hba
.SCRATCHPADregaddr
= phba
->sli4_hba
.conf_regs_memmap_p
+
4709 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4710 * @phba: pointer to lpfc hba data structure.
4712 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4716 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
4719 phba
->sli4_hba
.STAregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4721 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4723 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4725 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
4731 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4732 * @phba: pointer to lpfc hba data structure.
4733 * @vf: virtual function number
4735 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4736 * based on the given viftual function number, @vf.
4738 * Return 0 if successful, otherwise -ENODEV.
4741 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
4743 if (vf
> LPFC_VIR_FUNC_MAX
)
4746 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4747 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
4748 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4749 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
4750 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4751 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
4752 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4753 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
4754 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
4755 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
4760 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4761 * @phba: pointer to lpfc hba data structure.
4763 * This routine is invoked to create the bootstrap mailbox
4764 * region consistent with the SLI-4 interface spec. This
4765 * routine allocates all memory necessary to communicate
4766 * mailbox commands to the port and sets up all alignment
4767 * needs. No locks are expected to be held when calling
4772 * ENOMEM - could not allocated memory.
4775 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
4778 struct lpfc_dmabuf
*dmabuf
;
4779 struct dma_address
*dma_address
;
4783 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4788 * The bootstrap mailbox region is comprised of 2 parts
4789 * plus an alignment restriction of 16 bytes.
4791 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
4792 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4796 if (!dmabuf
->virt
) {
4800 memset(dmabuf
->virt
, 0, bmbx_size
);
4803 * Initialize the bootstrap mailbox pointers now so that the register
4804 * operations are simple later. The mailbox dma address is required
4805 * to be 16-byte aligned. Also align the virtual memory as each
4806 * maibox is copied into the bmbx mailbox region before issuing the
4807 * command to the port.
4809 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
4810 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
4812 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
4813 LPFC_ALIGN_16_BYTE
);
4814 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
4815 LPFC_ALIGN_16_BYTE
);
4818 * Set the high and low physical addresses now. The SLI4 alignment
4819 * requirement is 16 bytes and the mailbox is posted to the port
4820 * as two 30-bit addresses. The other data is a bit marking whether
4821 * the 30-bit address is the high or low address.
4822 * Upcast bmbx aphys to 64bits so shift instruction compiles
4823 * clean on 32 bit machines.
4825 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
4826 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
4827 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
4828 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
4829 LPFC_BMBX_BIT1_ADDR_HI
);
4831 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
4832 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
4833 LPFC_BMBX_BIT1_ADDR_LO
);
4838 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4839 * @phba: pointer to lpfc hba data structure.
4841 * This routine is invoked to teardown the bootstrap mailbox
4842 * region and release all host resources. This routine requires
4843 * the caller to ensure all mailbox commands recovered, no
4844 * additional mailbox comands are sent, and interrupts are disabled
4845 * before calling this routine.
4849 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
4851 dma_free_coherent(&phba
->pcidev
->dev
,
4852 phba
->sli4_hba
.bmbx
.bmbx_size
,
4853 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
4854 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
4856 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
4857 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
4861 * lpfc_sli4_read_config - Get the config parameters.
4862 * @phba: pointer to lpfc hba data structure.
4864 * This routine is invoked to read the configuration parameters from the HBA.
4865 * The configuration parameters are used to set the base and maximum values
4866 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4867 * allocation for the port.
4871 * ENOMEM - No availble memory
4872 * EIO - The mailbox failed to complete successfully.
4875 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
4878 struct lpfc_mbx_read_config
*rd_config
;
4881 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4883 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4884 "2011 Unable to allocate memory for issuing "
4885 "SLI_CONFIG_SPECIAL mailbox command\n");
4889 lpfc_read_config(phba
, pmb
);
4891 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4892 if (rc
!= MBX_SUCCESS
) {
4893 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4894 "2012 Mailbox failed , mbxCmd x%x "
4895 "READ_CONFIG, mbxStatus x%x\n",
4896 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
4897 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
4900 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
4901 phba
->sli4_hba
.max_cfg_param
.max_xri
=
4902 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
4903 phba
->sli4_hba
.max_cfg_param
.xri_base
=
4904 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
4905 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
4906 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
4907 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
4908 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
4909 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
4910 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
4911 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
4912 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
4913 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
4914 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
4915 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
4916 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
4917 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
4918 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
4919 phba
->sli4_hba
.max_cfg_param
.fcfi_base
=
4920 bf_get(lpfc_mbx_rd_conf_fcfi_base
, rd_config
);
4921 phba
->sli4_hba
.max_cfg_param
.max_eq
=
4922 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
4923 phba
->sli4_hba
.max_cfg_param
.max_rq
=
4924 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
4925 phba
->sli4_hba
.max_cfg_param
.max_wq
=
4926 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
4927 phba
->sli4_hba
.max_cfg_param
.max_cq
=
4928 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
4929 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
4930 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
4931 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
4932 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
4933 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
4934 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
4935 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
4936 phba
->max_vports
= phba
->max_vpi
;
4937 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4938 "2003 cfg params XRI(B:%d M:%d), "
4942 "FCFI(B:%d M:%d)\n",
4943 phba
->sli4_hba
.max_cfg_param
.xri_base
,
4944 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4945 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
4946 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
4947 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
4948 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
4949 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
4950 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
4951 phba
->sli4_hba
.max_cfg_param
.fcfi_base
,
4952 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
4954 mempool_free(pmb
, phba
->mbox_mem_pool
);
4956 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4957 if (phba
->cfg_hba_queue_depth
> (phba
->sli4_hba
.max_cfg_param
.max_xri
))
4958 phba
->cfg_hba_queue_depth
=
4959 phba
->sli4_hba
.max_cfg_param
.max_xri
;
4964 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4965 * @phba: pointer to lpfc hba data structure.
4967 * This routine is invoked to setup the host-side endian order to the
4968 * HBA consistent with the SLI-4 interface spec.
4972 * ENOMEM - No availble memory
4973 * EIO - The mailbox failed to complete successfully.
4976 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
4978 LPFC_MBOXQ_t
*mboxq
;
4980 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
4981 HOST_ENDIAN_HIGH_WORD1
};
4983 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4985 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4986 "0492 Unable to allocate memory for issuing "
4987 "SLI_CONFIG_SPECIAL mailbox command\n");
4992 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
4993 * words to contain special data values and no other data.
4995 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4996 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
4997 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4998 if (rc
!= MBX_SUCCESS
) {
4999 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5000 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
5006 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5011 * lpfc_sli4_queue_create - Create all the SLI4 queues
5012 * @phba: pointer to lpfc hba data structure.
5014 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
5015 * operation. For each SLI4 queue type, the parameters such as queue entry
5016 * count (queue depth) shall be taken from the module parameter. For now,
5017 * we just use some constant number as place holder.
5021 * ENOMEM - No availble memory
5022 * EIO - The mailbox failed to complete successfully.
5025 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
5027 struct lpfc_queue
*qdesc
;
5028 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5029 int cfg_fcp_wq_count
;
5030 int cfg_fcp_eq_count
;
5033 * Sanity check for confiugred queue parameters against the run-time
5037 /* Sanity check on FCP fast-path WQ parameters */
5038 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
5039 if (cfg_fcp_wq_count
>
5040 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
5041 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
5043 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
5044 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5045 "2581 Not enough WQs (%d) from "
5046 "the pci function for supporting "
5048 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5049 phba
->cfg_fcp_wq_count
);
5052 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5053 "2582 Not enough WQs (%d) from the pci "
5054 "function for supporting the requested "
5055 "FCP WQs (%d), the actual FCP WQs can "
5056 "be supported: %d\n",
5057 phba
->sli4_hba
.max_cfg_param
.max_wq
,
5058 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
5060 /* The actual number of FCP work queues adopted */
5061 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
5063 /* Sanity check on FCP fast-path EQ parameters */
5064 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
5065 if (cfg_fcp_eq_count
>
5066 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
5067 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
5069 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
5070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5071 "2574 Not enough EQs (%d) from the "
5072 "pci function for supporting FCP "
5074 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5075 phba
->cfg_fcp_eq_count
);
5078 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5079 "2575 Not enough EQs (%d) from the pci "
5080 "function for supporting the requested "
5081 "FCP EQs (%d), the actual FCP EQs can "
5082 "be supported: %d\n",
5083 phba
->sli4_hba
.max_cfg_param
.max_eq
,
5084 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
5086 /* It does not make sense to have more EQs than WQs */
5087 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
5088 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5089 "2593 The FCP EQ count(%d) cannot be greater "
5090 "than the FCP WQ count(%d), limiting the "
5091 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
5092 phba
->cfg_fcp_wq_count
,
5093 phba
->cfg_fcp_wq_count
);
5094 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
5096 /* The actual number of FCP event queues adopted */
5097 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
5098 /* The overall number of event queues used */
5099 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
5102 * Create Event Queues (EQs)
5105 /* Get EQ depth from module parameter, fake the default for now */
5106 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
5107 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
5109 /* Create slow path event queue */
5110 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5111 phba
->sli4_hba
.eq_ecount
);
5113 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5114 "0496 Failed allocate slow-path EQ\n");
5117 phba
->sli4_hba
.sp_eq
= qdesc
;
5119 /* Create fast-path FCP Event Queue(s) */
5120 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
5121 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5122 if (!phba
->sli4_hba
.fp_eq
) {
5123 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5124 "2576 Failed allocate memory for fast-path "
5125 "EQ record array\n");
5126 goto out_free_sp_eq
;
5128 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5129 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
5130 phba
->sli4_hba
.eq_ecount
);
5132 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5133 "0497 Failed allocate fast-path EQ\n");
5134 goto out_free_fp_eq
;
5136 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
5140 * Create Complete Queues (CQs)
5143 /* Get CQ depth from module parameter, fake the default for now */
5144 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
5145 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
5147 /* Create slow-path Mailbox Command Complete Queue */
5148 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5149 phba
->sli4_hba
.cq_ecount
);
5151 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5152 "0500 Failed allocate slow-path mailbox CQ\n");
5153 goto out_free_fp_eq
;
5155 phba
->sli4_hba
.mbx_cq
= qdesc
;
5157 /* Create slow-path ELS Complete Queue */
5158 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5159 phba
->sli4_hba
.cq_ecount
);
5161 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5162 "0501 Failed allocate slow-path ELS CQ\n");
5163 goto out_free_mbx_cq
;
5165 phba
->sli4_hba
.els_cq
= qdesc
;
5168 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5169 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
5170 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
5171 if (!phba
->sli4_hba
.fcp_cq
) {
5172 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5173 "2577 Failed allocate memory for fast-path "
5174 "CQ record array\n");
5175 goto out_free_els_cq
;
5177 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5178 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
5179 phba
->sli4_hba
.cq_ecount
);
5181 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5182 "0499 Failed allocate fast-path FCP "
5183 "CQ (%d)\n", fcp_cqidx
);
5184 goto out_free_fcp_cq
;
5186 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
5189 /* Create Mailbox Command Queue */
5190 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
5191 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
5193 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
5194 phba
->sli4_hba
.mq_ecount
);
5196 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5197 "0505 Failed allocate slow-path MQ\n");
5198 goto out_free_fcp_cq
;
5200 phba
->sli4_hba
.mbx_wq
= qdesc
;
5203 * Create all the Work Queues (WQs)
5205 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
5206 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
5208 /* Create slow-path ELS Work Queue */
5209 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5210 phba
->sli4_hba
.wq_ecount
);
5212 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5213 "0504 Failed allocate slow-path ELS WQ\n");
5214 goto out_free_mbx_wq
;
5216 phba
->sli4_hba
.els_wq
= qdesc
;
5218 /* Create fast-path FCP Work Queue(s) */
5219 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
5220 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
5221 if (!phba
->sli4_hba
.fcp_wq
) {
5222 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5223 "2578 Failed allocate memory for fast-path "
5224 "WQ record array\n");
5225 goto out_free_els_wq
;
5227 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5228 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
5229 phba
->sli4_hba
.wq_ecount
);
5231 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5232 "0503 Failed allocate fast-path FCP "
5233 "WQ (%d)\n", fcp_wqidx
);
5234 goto out_free_fcp_wq
;
5236 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
5240 * Create Receive Queue (RQ)
5242 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
5243 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
5245 /* Create Receive Queue for header */
5246 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5247 phba
->sli4_hba
.rq_ecount
);
5249 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5250 "0506 Failed allocate receive HRQ\n");
5251 goto out_free_fcp_wq
;
5253 phba
->sli4_hba
.hdr_rq
= qdesc
;
5255 /* Create Receive Queue for data */
5256 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
5257 phba
->sli4_hba
.rq_ecount
);
5259 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5260 "0507 Failed allocate receive DRQ\n");
5261 goto out_free_hdr_rq
;
5263 phba
->sli4_hba
.dat_rq
= qdesc
;
5268 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5269 phba
->sli4_hba
.hdr_rq
= NULL
;
5271 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
5272 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5273 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
5275 kfree(phba
->sli4_hba
.fcp_wq
);
5277 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5278 phba
->sli4_hba
.els_wq
= NULL
;
5280 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5281 phba
->sli4_hba
.mbx_wq
= NULL
;
5283 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
5284 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5285 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
5287 kfree(phba
->sli4_hba
.fcp_cq
);
5289 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5290 phba
->sli4_hba
.els_cq
= NULL
;
5292 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5293 phba
->sli4_hba
.mbx_cq
= NULL
;
5295 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
5296 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5297 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
5299 kfree(phba
->sli4_hba
.fp_eq
);
5301 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5302 phba
->sli4_hba
.sp_eq
= NULL
;
5308 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5309 * @phba: pointer to lpfc hba data structure.
5311 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5316 * ENOMEM - No availble memory
5317 * EIO - The mailbox failed to complete successfully.
5320 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
5324 /* Release mailbox command work queue */
5325 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
5326 phba
->sli4_hba
.mbx_wq
= NULL
;
5328 /* Release ELS work queue */
5329 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
5330 phba
->sli4_hba
.els_wq
= NULL
;
5332 /* Release FCP work queue */
5333 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5334 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5335 kfree(phba
->sli4_hba
.fcp_wq
);
5336 phba
->sli4_hba
.fcp_wq
= NULL
;
5338 /* Release unsolicited receive queue */
5339 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
5340 phba
->sli4_hba
.hdr_rq
= NULL
;
5341 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
5342 phba
->sli4_hba
.dat_rq
= NULL
;
5344 /* Release ELS complete queue */
5345 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
5346 phba
->sli4_hba
.els_cq
= NULL
;
5348 /* Release mailbox command complete queue */
5349 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
5350 phba
->sli4_hba
.mbx_cq
= NULL
;
5352 /* Release FCP response complete queue */
5353 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5354 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5355 kfree(phba
->sli4_hba
.fcp_cq
);
5356 phba
->sli4_hba
.fcp_cq
= NULL
;
5358 /* Release fast-path event queue */
5359 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5360 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5361 kfree(phba
->sli4_hba
.fp_eq
);
5362 phba
->sli4_hba
.fp_eq
= NULL
;
5364 /* Release slow-path event queue */
5365 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
5366 phba
->sli4_hba
.sp_eq
= NULL
;
5372 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5373 * @phba: pointer to lpfc hba data structure.
5375 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5380 * ENOMEM - No availble memory
5381 * EIO - The mailbox failed to complete successfully.
5384 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
5387 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
5388 int fcp_cq_index
= 0;
5391 * Set up Event Queues (EQs)
5394 /* Set up slow-path event queue */
5395 if (!phba
->sli4_hba
.sp_eq
) {
5396 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5397 "0520 Slow-path EQ not allocated\n");
5400 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
5403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5404 "0521 Failed setup of slow-path EQ: "
5408 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5409 "2583 Slow-path EQ setup: queue-id=%d\n",
5410 phba
->sli4_hba
.sp_eq
->queue_id
);
5412 /* Set up fast-path event queue */
5413 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
5414 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
5415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5416 "0522 Fast-path EQ (%d) not "
5417 "allocated\n", fcp_eqidx
);
5418 goto out_destroy_fp_eq
;
5420 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
5421 phba
->cfg_fcp_imax
);
5423 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5424 "0523 Failed setup of fast-path EQ "
5425 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
5426 goto out_destroy_fp_eq
;
5428 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5429 "2584 Fast-path EQ setup: "
5430 "queue[%d]-id=%d\n", fcp_eqidx
,
5431 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
5435 * Set up Complete Queues (CQs)
5438 /* Set up slow-path MBOX Complete Queue as the first CQ */
5439 if (!phba
->sli4_hba
.mbx_cq
) {
5440 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5441 "0528 Mailbox CQ not allocated\n");
5442 goto out_destroy_fp_eq
;
5444 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
5445 LPFC_MCQ
, LPFC_MBOX
);
5447 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5448 "0529 Failed setup of slow-path mailbox CQ: "
5450 goto out_destroy_fp_eq
;
5452 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5453 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5454 phba
->sli4_hba
.mbx_cq
->queue_id
,
5455 phba
->sli4_hba
.sp_eq
->queue_id
);
5457 /* Set up slow-path ELS Complete Queue */
5458 if (!phba
->sli4_hba
.els_cq
) {
5459 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5460 "0530 ELS CQ not allocated\n");
5461 goto out_destroy_mbx_cq
;
5463 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
5464 LPFC_WCQ
, LPFC_ELS
);
5466 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5467 "0531 Failed setup of slow-path ELS CQ: "
5469 goto out_destroy_mbx_cq
;
5471 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5472 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5473 phba
->sli4_hba
.els_cq
->queue_id
,
5474 phba
->sli4_hba
.sp_eq
->queue_id
);
5476 /* Set up fast-path FCP Response Complete Queue */
5477 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
5478 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
5479 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5480 "0526 Fast-path FCP CQ (%d) not "
5481 "allocated\n", fcp_cqidx
);
5482 goto out_destroy_fcp_cq
;
5484 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
5485 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
5486 LPFC_WCQ
, LPFC_FCP
);
5488 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5489 "0527 Failed setup of fast-path FCP "
5490 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
5491 goto out_destroy_fcp_cq
;
5493 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5494 "2588 FCP CQ setup: cq[%d]-id=%d, "
5495 "parent eq[%d]-id=%d\n",
5497 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
5499 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
);
5503 * Set up all the Work Queues (WQs)
5506 /* Set up Mailbox Command Queue */
5507 if (!phba
->sli4_hba
.mbx_wq
) {
5508 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5509 "0538 Slow-path MQ not allocated\n");
5510 goto out_destroy_fcp_cq
;
5512 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
5513 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
5515 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5516 "0539 Failed setup of slow-path MQ: "
5518 goto out_destroy_fcp_cq
;
5520 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5521 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5522 phba
->sli4_hba
.mbx_wq
->queue_id
,
5523 phba
->sli4_hba
.mbx_cq
->queue_id
);
5525 /* Set up slow-path ELS Work Queue */
5526 if (!phba
->sli4_hba
.els_wq
) {
5527 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5528 "0536 Slow-path ELS WQ not allocated\n");
5529 goto out_destroy_mbx_wq
;
5531 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
5532 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
5534 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5535 "0537 Failed setup of slow-path ELS WQ: "
5537 goto out_destroy_mbx_wq
;
5539 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5540 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5541 phba
->sli4_hba
.els_wq
->queue_id
,
5542 phba
->sli4_hba
.els_cq
->queue_id
);
5544 /* Set up fast-path FCP Work Queue */
5545 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
5546 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
5547 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5548 "0534 Fast-path FCP WQ (%d) not "
5549 "allocated\n", fcp_wqidx
);
5550 goto out_destroy_fcp_wq
;
5552 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
5553 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
5556 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5557 "0535 Failed setup of fast-path FCP "
5558 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
5559 goto out_destroy_fcp_wq
;
5561 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5562 "2591 FCP WQ setup: wq[%d]-id=%d, "
5563 "parent cq[%d]-id=%d\n",
5565 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
5567 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
5568 /* Round robin FCP Work Queue's Completion Queue assignment */
5569 fcp_cq_index
= ((fcp_cq_index
+ 1) % phba
->cfg_fcp_eq_count
);
5573 * Create Receive Queue (RQ)
5575 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
5576 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5577 "0540 Receive Queue not allocated\n");
5578 goto out_destroy_fcp_wq
;
5580 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
5581 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
5583 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5584 "0541 Failed setup of Receive Queue: "
5586 goto out_destroy_fcp_wq
;
5588 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5589 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5590 "parent cq-id=%d\n",
5591 phba
->sli4_hba
.hdr_rq
->queue_id
,
5592 phba
->sli4_hba
.dat_rq
->queue_id
,
5593 phba
->sli4_hba
.els_cq
->queue_id
);
5597 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
5598 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
5599 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5601 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5603 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
5604 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
5605 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5607 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5609 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
5610 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
5611 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5617 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5618 * @phba: pointer to lpfc hba data structure.
5620 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5625 * ENOMEM - No availble memory
5626 * EIO - The mailbox failed to complete successfully.
5629 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
5633 /* Unset mailbox command work queue */
5634 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
5635 /* Unset ELS work queue */
5636 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
5637 /* Unset unsolicited receive queue */
5638 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
5639 /* Unset FCP work queue */
5640 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
5641 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
5642 /* Unset mailbox command complete queue */
5643 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
5644 /* Unset ELS complete queue */
5645 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
5646 /* Unset FCP response complete queue */
5647 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5648 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
5649 /* Unset fast-path event queue */
5650 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
5651 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
5652 /* Unset slow-path event queue */
5653 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
5657 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5658 * @phba: pointer to lpfc hba data structure.
5660 * This routine is invoked to allocate and set up a pool of completion queue
5661 * events. The body of the completion queue event is a completion queue entry
5662 * CQE. For now, this pool is used for the interrupt service routine to queue
5663 * the following HBA completion queue events for the worker thread to process:
5664 * - Mailbox asynchronous events
5665 * - Receive queue completion unsolicited events
5666 * Later, this can be used for all the slow-path events.
5670 * -ENOMEM - No availble memory
5673 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
5675 struct lpfc_cq_event
*cq_event
;
5678 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
5679 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
5681 goto out_pool_create_fail
;
5682 list_add_tail(&cq_event
->list
,
5683 &phba
->sli4_hba
.sp_cqe_event_pool
);
5687 out_pool_create_fail
:
5688 lpfc_sli4_cq_event_pool_destroy(phba
);
5693 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5694 * @phba: pointer to lpfc hba data structure.
5696 * This routine is invoked to free the pool of completion queue events at
5697 * driver unload time. Note that, it is the responsibility of the driver
5698 * cleanup routine to free all the outstanding completion-queue events
5699 * allocated from this pool back into the pool before invoking this routine
5700 * to destroy the pool.
5703 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
5705 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
5707 list_for_each_entry_safe(cq_event
, next_cq_event
,
5708 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
5709 list_del(&cq_event
->list
);
5715 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5716 * @phba: pointer to lpfc hba data structure.
5718 * This routine is the lock free version of the API invoked to allocate a
5719 * completion-queue event from the free pool.
5721 * Return: Pointer to the newly allocated completion-queue event if successful
5724 struct lpfc_cq_event
*
5725 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5727 struct lpfc_cq_event
*cq_event
= NULL
;
5729 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
5730 struct lpfc_cq_event
, list
);
5735 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5736 * @phba: pointer to lpfc hba data structure.
5738 * This routine is the lock version of the API invoked to allocate a
5739 * completion-queue event from the free pool.
5741 * Return: Pointer to the newly allocated completion-queue event if successful
5744 struct lpfc_cq_event
*
5745 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
5747 struct lpfc_cq_event
*cq_event
;
5748 unsigned long iflags
;
5750 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5751 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
5752 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5757 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5758 * @phba: pointer to lpfc hba data structure.
5759 * @cq_event: pointer to the completion queue event to be freed.
5761 * This routine is the lock free version of the API invoked to release a
5762 * completion-queue event back into the free pool.
5765 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5766 struct lpfc_cq_event
*cq_event
)
5768 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
5772 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5773 * @phba: pointer to lpfc hba data structure.
5774 * @cq_event: pointer to the completion queue event to be freed.
5776 * This routine is the lock version of the API invoked to release a
5777 * completion-queue event back into the free pool.
5780 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
5781 struct lpfc_cq_event
*cq_event
)
5783 unsigned long iflags
;
5784 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5785 __lpfc_sli4_cq_event_release(phba
, cq_event
);
5786 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5790 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5791 * @phba: pointer to lpfc hba data structure.
5793 * This routine is to free all the pending completion-queue events to the
5794 * back into the free pool for device reset.
5797 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
5800 struct lpfc_cq_event
*cqe
;
5801 unsigned long iflags
;
5803 /* Retrieve all the pending WCQEs from pending WCQE lists */
5804 spin_lock_irqsave(&phba
->hbalock
, iflags
);
5805 /* Pending FCP XRI abort events */
5806 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
5808 /* Pending ELS XRI abort events */
5809 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
5811 /* Pending asynnc events */
5812 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
5814 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
5816 while (!list_empty(&cqelist
)) {
5817 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
5818 lpfc_sli4_cq_event_release(phba
, cqe
);
5823 * lpfc_pci_function_reset - Reset pci function.
5824 * @phba: pointer to lpfc hba data structure.
5826 * This routine is invoked to request a PCI function reset. It will destroys
5827 * all resources assigned to the PCI function which originates this request.
5831 * ENOMEM - No availble memory
5832 * EIO - The mailbox failed to complete successfully.
5835 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
5837 LPFC_MBOXQ_t
*mboxq
;
5839 uint32_t shdr_status
, shdr_add_status
;
5840 union lpfc_sli4_cfg_shdr
*shdr
;
5842 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5844 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5845 "0494 Unable to allocate memory for issuing "
5846 "SLI_FUNCTION_RESET mailbox command\n");
5850 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5851 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5852 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
5853 LPFC_SLI4_MBX_EMBED
);
5854 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5855 shdr
= (union lpfc_sli4_cfg_shdr
*)
5856 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5857 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5858 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5859 if (rc
!= MBX_TIMEOUT
)
5860 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5861 if (shdr_status
|| shdr_add_status
|| rc
) {
5862 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5863 "0495 SLI_FUNCTION_RESET mailbox failed with "
5864 "status x%x add_status x%x, mbx status x%x\n",
5865 shdr_status
, shdr_add_status
, rc
);
5872 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5873 * @phba: pointer to lpfc hba data structure.
5874 * @cnt: number of nop mailbox commands to send.
5876 * This routine is invoked to send a number @cnt of NOP mailbox command and
5877 * wait for each command to complete.
5879 * Return: the number of NOP mailbox command completed.
5882 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
5884 LPFC_MBOXQ_t
*mboxq
;
5885 int length
, cmdsent
;
5888 uint32_t shdr_status
, shdr_add_status
;
5889 union lpfc_sli4_cfg_shdr
*shdr
;
5892 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5893 "2518 Requested to send 0 NOP mailbox cmd\n");
5897 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5899 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5900 "2519 Unable to allocate memory for issuing "
5901 "NOP mailbox command\n");
5905 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5906 length
= (sizeof(struct lpfc_mbx_nop
) -
5907 sizeof(struct lpfc_sli4_cfg_mhdr
));
5908 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5909 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
5911 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5912 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
5913 if (!phba
->sli4_hba
.intr_enable
)
5914 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5916 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
5917 if (rc
== MBX_TIMEOUT
)
5919 /* Check return status */
5920 shdr
= (union lpfc_sli4_cfg_shdr
*)
5921 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
5922 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5923 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
5925 if (shdr_status
|| shdr_add_status
|| rc
) {
5926 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5927 "2520 NOP mailbox command failed "
5928 "status x%x add_status x%x mbx "
5929 "status x%x\n", shdr_status
,
5930 shdr_add_status
, rc
);
5935 if (rc
!= MBX_TIMEOUT
)
5936 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5942 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5943 * @phba: pointer to lpfc hba data structure.
5946 * This routine is invoked to unregister a FCFI from device.
5949 lpfc_sli4_fcfi_unreg(struct lpfc_hba
*phba
, uint16_t fcfi
)
5954 unsigned long flags
;
5956 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5961 lpfc_unreg_fcfi(mbox
, fcfi
);
5963 if (!phba
->sli4_hba
.intr_enable
)
5964 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5966 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5967 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5969 if (rc
!= MBX_TIMEOUT
)
5970 mempool_free(mbox
, phba
->mbox_mem_pool
);
5971 if (rc
!= MBX_SUCCESS
)
5972 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5973 "2517 Unregister FCFI command failed "
5974 "status %d, mbxStatus x%x\n", rc
,
5975 bf_get(lpfc_mqe_status
, &mbox
->u
.mqe
));
5977 spin_lock_irqsave(&phba
->hbalock
, flags
);
5978 /* Mark the FCFI is no longer registered */
5979 phba
->fcf
.fcf_flag
&=
5980 ~(FCF_AVAILABLE
| FCF_REGISTERED
| FCF_DISCOVERED
);
5981 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
5986 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
5987 * @phba: pointer to lpfc hba data structure.
5989 * This routine is invoked to set up the PCI device memory space for device
5990 * with SLI-4 interface spec.
5994 * other values - error
5997 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
5999 struct pci_dev
*pdev
;
6000 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
6001 int error
= -ENODEV
;
6003 /* Obtain PCI device reference */
6007 pdev
= phba
->pcidev
;
6009 /* Set the device DMA mask size */
6010 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0)
6011 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0)
6014 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
6015 * number of bytes required by each mapping. They are actually
6016 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
6018 phba
->pci_bar0_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR0
);
6019 bar0map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR0
);
6021 phba
->pci_bar1_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR1
);
6022 bar1map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR1
);
6024 phba
->pci_bar2_map
= pci_resource_start(pdev
, LPFC_SLI4_BAR2
);
6025 bar2map_len
= pci_resource_len(pdev
, LPFC_SLI4_BAR2
);
6027 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
6028 phba
->sli4_hba
.conf_regs_memmap_p
=
6029 ioremap(phba
->pci_bar0_map
, bar0map_len
);
6030 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
6031 dev_printk(KERN_ERR
, &pdev
->dev
,
6032 "ioremap failed for SLI4 PCI config registers.\n");
6036 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
6037 phba
->sli4_hba
.ctrl_regs_memmap_p
=
6038 ioremap(phba
->pci_bar1_map
, bar1map_len
);
6039 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
6040 dev_printk(KERN_ERR
, &pdev
->dev
,
6041 "ioremap failed for SLI4 HBA control registers.\n");
6042 goto out_iounmap_conf
;
6045 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
6046 phba
->sli4_hba
.drbl_regs_memmap_p
=
6047 ioremap(phba
->pci_bar2_map
, bar2map_len
);
6048 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
6049 dev_printk(KERN_ERR
, &pdev
->dev
,
6050 "ioremap failed for SLI4 HBA doorbell registers.\n");
6051 goto out_iounmap_ctrl
;
6054 /* Set up BAR0 PCI config space register memory map */
6055 lpfc_sli4_bar0_register_memmap(phba
);
6057 /* Set up BAR1 register memory map */
6058 lpfc_sli4_bar1_register_memmap(phba
);
6060 /* Set up BAR2 register memory map */
6061 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
6063 goto out_iounmap_all
;
6068 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6070 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6072 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6078 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6079 * @phba: pointer to lpfc hba data structure.
6081 * This routine is invoked to unset the PCI device memory space for device
6082 * with SLI-4 interface spec.
6085 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
6087 struct pci_dev
*pdev
;
6089 /* Obtain PCI device reference */
6093 pdev
= phba
->pcidev
;
6095 /* Free coherent DMA memory allocated */
6097 /* Unmap I/O memory space */
6098 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
6099 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
6100 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
6106 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6107 * @phba: pointer to lpfc hba data structure.
6109 * This routine is invoked to enable the MSI-X interrupt vectors to device
6110 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6111 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6112 * invoked, enables either all or nothing, depending on the current
6113 * availability of PCI vector resources. The device driver is responsible
6114 * for calling the individual request_irq() to register each MSI-X vector
6115 * with a interrupt handler, which is done in this function. Note that
6116 * later when device is unloading, the driver should always call free_irq()
6117 * on all MSI-X vectors it has done request_irq() on before calling
6118 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6119 * will be left with MSI-X enabled and leaks its vectors.
6123 * other values - error
6126 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
6131 /* Set up MSI-X multi-message vectors */
6132 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6133 phba
->msix_entries
[i
].entry
= i
;
6135 /* Configure MSI-X capability structure */
6136 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
6137 ARRAY_SIZE(phba
->msix_entries
));
6139 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6140 "0420 PCI enable MSI-X failed (%d)\n", rc
);
6143 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6144 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6145 "0477 MSI-X entry[%d]: vector=x%x "
6147 phba
->msix_entries
[i
].vector
,
6148 phba
->msix_entries
[i
].entry
);
6150 * Assign MSI-X vectors to interrupt handlers
6153 /* vector-0 is associated to slow-path handler */
6154 rc
= request_irq(phba
->msix_entries
[0].vector
,
6155 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
6156 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6158 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6159 "0421 MSI-X slow-path request_irq failed "
6164 /* vector-1 is associated to fast-path handler */
6165 rc
= request_irq(phba
->msix_entries
[1].vector
,
6166 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
6167 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
6170 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6171 "0429 MSI-X fast-path request_irq failed "
6177 * Configure HBA MSI-X attention conditions to messages
6179 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6183 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6184 "0474 Unable to allocate memory for issuing "
6185 "MBOX_CONFIG_MSI command\n");
6188 rc
= lpfc_config_msi(phba
, pmb
);
6191 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6192 if (rc
!= MBX_SUCCESS
) {
6193 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
6194 "0351 Config MSI mailbox command failed, "
6195 "mbxCmd x%x, mbxStatus x%x\n",
6196 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
6200 /* Free memory allocated for mailbox command */
6201 mempool_free(pmb
, phba
->mbox_mem_pool
);
6205 /* Free memory allocated for mailbox command */
6206 mempool_free(pmb
, phba
->mbox_mem_pool
);
6209 /* free the irq already requested */
6210 free_irq(phba
->msix_entries
[1].vector
, phba
);
6213 /* free the irq already requested */
6214 free_irq(phba
->msix_entries
[0].vector
, phba
);
6217 /* Unconfigure MSI-X capability structure */
6218 pci_disable_msix(phba
->pcidev
);
6223 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6224 * @phba: pointer to lpfc hba data structure.
6226 * This routine is invoked to release the MSI-X vectors and then disable the
6227 * MSI-X interrupt mode to device with SLI-3 interface spec.
6230 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
6234 /* Free up MSI-X multi-message vectors */
6235 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
6236 free_irq(phba
->msix_entries
[i
].vector
, phba
);
6238 pci_disable_msix(phba
->pcidev
);
6244 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6245 * @phba: pointer to lpfc hba data structure.
6247 * This routine is invoked to enable the MSI interrupt mode to device with
6248 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6249 * enable the MSI vector. The device driver is responsible for calling the
6250 * request_irq() to register MSI vector with a interrupt the handler, which
6251 * is done in this function.
6255 * other values - error
6258 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
6262 rc
= pci_enable_msi(phba
->pcidev
);
6264 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6265 "0462 PCI enable MSI mode success.\n");
6267 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6268 "0471 PCI enable MSI mode failed (%d)\n", rc
);
6272 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6273 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6275 pci_disable_msi(phba
->pcidev
);
6276 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6277 "0478 MSI request_irq failed (%d)\n", rc
);
6283 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6284 * @phba: pointer to lpfc hba data structure.
6286 * This routine is invoked to disable the MSI interrupt mode to device with
6287 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6288 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6289 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6293 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
6295 free_irq(phba
->pcidev
->irq
, phba
);
6296 pci_disable_msi(phba
->pcidev
);
6301 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6302 * @phba: pointer to lpfc hba data structure.
6304 * This routine is invoked to enable device interrupt and associate driver's
6305 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6306 * spec. Depends on the interrupt mode configured to the driver, the driver
6307 * will try to fallback from the configured interrupt mode to an interrupt
6308 * mode which is supported by the platform, kernel, and device in the order
6310 * MSI-X -> MSI -> IRQ.
6314 * other values - error
6317 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6319 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6322 if (cfg_mode
== 2) {
6323 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6324 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
6326 /* Now, try to enable MSI-X interrupt mode */
6327 retval
= lpfc_sli_enable_msix(phba
);
6329 /* Indicate initialization to MSI-X mode */
6330 phba
->intr_type
= MSIX
;
6336 /* Fallback to MSI if MSI-X initialization failed */
6337 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6338 retval
= lpfc_sli_enable_msi(phba
);
6340 /* Indicate initialization to MSI mode */
6341 phba
->intr_type
= MSI
;
6346 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6347 if (phba
->intr_type
== NONE
) {
6348 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
6349 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6351 /* Indicate initialization to INTx mode */
6352 phba
->intr_type
= INTx
;
6360 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6361 * @phba: pointer to lpfc hba data structure.
6363 * This routine is invoked to disable device interrupt and disassociate the
6364 * driver's interrupt handler(s) from interrupt vector(s) to device with
6365 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6366 * release the interrupt vector(s) for the message signaled interrupt.
6369 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
6371 /* Disable the currently initialized interrupt mode */
6372 if (phba
->intr_type
== MSIX
)
6373 lpfc_sli_disable_msix(phba
);
6374 else if (phba
->intr_type
== MSI
)
6375 lpfc_sli_disable_msi(phba
);
6376 else if (phba
->intr_type
== INTx
)
6377 free_irq(phba
->pcidev
->irq
, phba
);
6379 /* Reset interrupt management states */
6380 phba
->intr_type
= NONE
;
6381 phba
->sli
.slistat
.sli_intr
= 0;
6387 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6388 * @phba: pointer to lpfc hba data structure.
6390 * This routine is invoked to enable the MSI-X interrupt vectors to device
6391 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6392 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6393 * enables either all or nothing, depending on the current availability of
6394 * PCI vector resources. The device driver is responsible for calling the
6395 * individual request_irq() to register each MSI-X vector with a interrupt
6396 * handler, which is done in this function. Note that later when device is
6397 * unloading, the driver should always call free_irq() on all MSI-X vectors
6398 * it has done request_irq() on before calling pci_disable_msix(). Failure
6399 * to do so results in a BUG_ON() and a device will be left with MSI-X
6400 * enabled and leaks its vectors.
6404 * other values - error
6407 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
6411 /* Set up MSI-X multi-message vectors */
6412 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6413 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
6415 /* Configure MSI-X capability structure */
6416 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
6417 phba
->sli4_hba
.cfg_eqn
);
6419 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6420 "0484 PCI enable MSI-X failed (%d)\n", rc
);
6423 /* Log MSI-X vector assignment */
6424 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6425 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6426 "0489 MSI-X entry[%d]: vector=x%x "
6427 "message=%d\n", index
,
6428 phba
->sli4_hba
.msix_entries
[index
].vector
,
6429 phba
->sli4_hba
.msix_entries
[index
].entry
);
6431 * Assign MSI-X vectors to interrupt handlers
6434 /* The first vector must associated to slow-path handler for MQ */
6435 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
6436 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
6437 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
6439 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6440 "0485 MSI-X slow-path request_irq failed "
6445 /* The rest of the vector(s) are associated to fast-path handler(s) */
6446 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++) {
6447 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
6448 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
6449 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6450 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
6451 LPFC_FP_DRIVER_HANDLER_NAME
,
6452 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6454 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6455 "0486 MSI-X fast-path (%d) "
6456 "request_irq failed (%d)\n", index
, rc
);
6464 /* free the irq already requested */
6465 for (--index
; index
>= 1; index
--)
6466 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
6467 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6469 /* free the irq already requested */
6470 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6473 /* Unconfigure MSI-X capability structure */
6474 pci_disable_msix(phba
->pcidev
);
6479 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6480 * @phba: pointer to lpfc hba data structure.
6482 * This routine is invoked to release the MSI-X vectors and then disable the
6483 * MSI-X interrupt mode to device with SLI-4 interface spec.
6486 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
6490 /* Free up MSI-X multi-message vectors */
6491 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
6493 for (index
= 1; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
6494 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
6495 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
6497 pci_disable_msix(phba
->pcidev
);
6503 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6504 * @phba: pointer to lpfc hba data structure.
6506 * This routine is invoked to enable the MSI interrupt mode to device with
6507 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6508 * to enable the MSI vector. The device driver is responsible for calling
6509 * the request_irq() to register MSI vector with a interrupt the handler,
6510 * which is done in this function.
6514 * other values - error
6517 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
6521 rc
= pci_enable_msi(phba
->pcidev
);
6523 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6524 "0487 PCI enable MSI mode success.\n");
6526 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6527 "0488 PCI enable MSI mode failed (%d)\n", rc
);
6531 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6532 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6534 pci_disable_msi(phba
->pcidev
);
6535 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6536 "0490 MSI request_irq failed (%d)\n", rc
);
6539 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
6540 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6541 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6548 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6549 * @phba: pointer to lpfc hba data structure.
6551 * This routine is invoked to disable the MSI interrupt mode to device with
6552 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6553 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6554 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6558 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
6560 free_irq(phba
->pcidev
->irq
, phba
);
6561 pci_disable_msi(phba
->pcidev
);
6566 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6567 * @phba: pointer to lpfc hba data structure.
6569 * This routine is invoked to enable device interrupt and associate driver's
6570 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6571 * interface spec. Depends on the interrupt mode configured to the driver,
6572 * the driver will try to fallback from the configured interrupt mode to an
6573 * interrupt mode which is supported by the platform, kernel, and device in
6575 * MSI-X -> MSI -> IRQ.
6579 * other values - error
6582 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
6584 uint32_t intr_mode
= LPFC_INTR_ERROR
;
6587 if (cfg_mode
== 2) {
6588 /* Preparation before conf_msi mbox cmd */
6591 /* Now, try to enable MSI-X interrupt mode */
6592 retval
= lpfc_sli4_enable_msix(phba
);
6594 /* Indicate initialization to MSI-X mode */
6595 phba
->intr_type
= MSIX
;
6601 /* Fallback to MSI if MSI-X initialization failed */
6602 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
6603 retval
= lpfc_sli4_enable_msi(phba
);
6605 /* Indicate initialization to MSI mode */
6606 phba
->intr_type
= MSI
;
6611 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6612 if (phba
->intr_type
== NONE
) {
6613 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
6614 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
6616 /* Indicate initialization to INTx mode */
6617 phba
->intr_type
= INTx
;
6619 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
6621 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
6622 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
6630 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6631 * @phba: pointer to lpfc hba data structure.
6633 * This routine is invoked to disable device interrupt and disassociate
6634 * the driver's interrupt handler(s) from interrupt vector(s) to device
6635 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6636 * will release the interrupt vector(s) for the message signaled interrupt.
6639 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
6641 /* Disable the currently initialized interrupt mode */
6642 if (phba
->intr_type
== MSIX
)
6643 lpfc_sli4_disable_msix(phba
);
6644 else if (phba
->intr_type
== MSI
)
6645 lpfc_sli4_disable_msi(phba
);
6646 else if (phba
->intr_type
== INTx
)
6647 free_irq(phba
->pcidev
->irq
, phba
);
6649 /* Reset interrupt management states */
6650 phba
->intr_type
= NONE
;
6651 phba
->sli
.slistat
.sli_intr
= 0;
6657 * lpfc_unset_hba - Unset SLI3 hba device initialization
6658 * @phba: pointer to lpfc hba data structure.
6660 * This routine is invoked to unset the HBA device initialization steps to
6661 * a device with SLI-3 interface spec.
6664 lpfc_unset_hba(struct lpfc_hba
*phba
)
6666 struct lpfc_vport
*vport
= phba
->pport
;
6667 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6669 spin_lock_irq(shost
->host_lock
);
6670 vport
->load_flag
|= FC_UNLOADING
;
6671 spin_unlock_irq(shost
->host_lock
);
6673 lpfc_stop_hba_timers(phba
);
6675 phba
->pport
->work_port_events
= 0;
6677 lpfc_sli_hba_down(phba
);
6679 lpfc_sli_brdrestart(phba
);
6681 lpfc_sli_disable_intr(phba
);
6687 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6688 * @phba: pointer to lpfc hba data structure.
6690 * This routine is invoked to unset the HBA device initialization steps to
6691 * a device with SLI-4 interface spec.
6694 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
6696 struct lpfc_vport
*vport
= phba
->pport
;
6697 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6699 spin_lock_irq(shost
->host_lock
);
6700 vport
->load_flag
|= FC_UNLOADING
;
6701 spin_unlock_irq(shost
->host_lock
);
6703 phba
->pport
->work_port_events
= 0;
6705 lpfc_sli4_hba_down(phba
);
6707 lpfc_sli4_disable_intr(phba
);
6713 * lpfc_sli4_hba_unset - Unset the fcoe hba
6714 * @phba: Pointer to HBA context object.
6716 * This function is called in the SLI4 code path to reset the HBA's FCoE
6717 * function. The caller is not required to hold any lock. This routine
6718 * issues PCI function reset mailbox command to reset the FCoE function.
6719 * At the end of the function, it calls lpfc_hba_down_post function to
6720 * free any pending commands.
6723 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
6726 LPFC_MBOXQ_t
*mboxq
;
6728 lpfc_stop_hba_timers(phba
);
6729 phba
->sli4_hba
.intr_enable
= 0;
6732 * Gracefully wait out the potential current outstanding asynchronous
6736 /* First, block any pending async mailbox command from posted */
6737 spin_lock_irq(&phba
->hbalock
);
6738 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
6739 spin_unlock_irq(&phba
->hbalock
);
6740 /* Now, trying to wait it out if we can */
6741 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6743 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
6746 /* Forcefully release the outstanding mailbox command if timed out */
6747 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6748 spin_lock_irq(&phba
->hbalock
);
6749 mboxq
= phba
->sli
.mbox_active
;
6750 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
6751 __lpfc_mbox_cmpl_put(phba
, mboxq
);
6752 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6753 phba
->sli
.mbox_active
= NULL
;
6754 spin_unlock_irq(&phba
->hbalock
);
6757 /* Tear down the queues in the HBA */
6758 lpfc_sli4_queue_unset(phba
);
6760 /* Disable PCI subsystem interrupt */
6761 lpfc_sli4_disable_intr(phba
);
6763 /* Stop kthread signal shall trigger work_done one more time */
6764 kthread_stop(phba
->worker_thread
);
6766 /* Stop the SLI4 device port */
6767 phba
->pport
->work_port_events
= 0;
6771 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6772 * @pdev: pointer to PCI device
6773 * @pid: pointer to PCI device identifier
6775 * This routine is to be called to attach a device with SLI-3 interface spec
6776 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6777 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6778 * information of the device and driver to see if the driver state that it can
6779 * support this kind of device. If the match is successful, the driver core
6780 * invokes this routine. If this routine determines it can claim the HBA, it
6781 * does all the initialization that it needs to do to handle the HBA properly.
6784 * 0 - driver can claim the device
6785 * negative value - driver can not claim the device
6787 static int __devinit
6788 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
6790 struct lpfc_hba
*phba
;
6791 struct lpfc_vport
*vport
= NULL
;
6792 struct Scsi_Host
*shost
= NULL
;
6794 uint32_t cfg_mode
, intr_mode
;
6796 /* Allocate memory for HBA structure */
6797 phba
= lpfc_hba_alloc(pdev
);
6801 /* Perform generic PCI device enabling operation */
6802 error
= lpfc_enable_pci_dev(phba
);
6804 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6805 "1401 Failed to enable pci device.\n");
6809 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6810 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
6812 goto out_disable_pci_dev
;
6814 /* Set up SLI-3 specific device PCI memory space */
6815 error
= lpfc_sli_pci_mem_setup(phba
);
6817 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6818 "1402 Failed to set up pci memory space.\n");
6819 goto out_disable_pci_dev
;
6822 /* Set up phase-1 common device driver resources */
6823 error
= lpfc_setup_driver_resource_phase1(phba
);
6825 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6826 "1403 Failed to set up driver resource.\n");
6827 goto out_unset_pci_mem_s3
;
6830 /* Set up SLI-3 specific device driver resources */
6831 error
= lpfc_sli_driver_resource_setup(phba
);
6833 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6834 "1404 Failed to set up driver resource.\n");
6835 goto out_unset_pci_mem_s3
;
6838 /* Initialize and populate the iocb list per host */
6839 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
6841 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6842 "1405 Failed to initialize iocb list.\n");
6843 goto out_unset_driver_resource_s3
;
6846 /* Set up common device driver resources */
6847 error
= lpfc_setup_driver_resource_phase2(phba
);
6849 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6850 "1406 Failed to set up driver resource.\n");
6851 goto out_free_iocb_list
;
6854 /* Create SCSI host to the physical port */
6855 error
= lpfc_create_shost(phba
);
6857 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6858 "1407 Failed to create scsi host.\n");
6859 goto out_unset_driver_resource
;
6862 /* Configure sysfs attributes */
6863 vport
= phba
->pport
;
6864 error
= lpfc_alloc_sysfs_attr(vport
);
6866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6867 "1476 Failed to allocate sysfs attr\n");
6868 goto out_destroy_shost
;
6871 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
6872 /* Now, trying to enable interrupt and bring up the device */
6873 cfg_mode
= phba
->cfg_use_msi
;
6875 /* Put device to a known state before enabling interrupt */
6876 lpfc_stop_port(phba
);
6877 /* Configure and enable interrupt */
6878 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
6879 if (intr_mode
== LPFC_INTR_ERROR
) {
6880 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6881 "0431 Failed to enable interrupt.\n");
6883 goto out_free_sysfs_attr
;
6885 /* SLI-3 HBA setup */
6886 if (lpfc_sli_hba_setup(phba
)) {
6887 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6888 "1477 Failed to set up hba\n");
6890 goto out_remove_device
;
6893 /* Wait 50ms for the interrupts of previous mailbox commands */
6895 /* Check active interrupts on message signaled interrupts */
6896 if (intr_mode
== 0 ||
6897 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
6898 /* Log the current active interrupt mode */
6899 phba
->intr_mode
= intr_mode
;
6900 lpfc_log_intr_mode(phba
, intr_mode
);
6903 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6904 "0447 Configure interrupt mode (%d) "
6905 "failed active interrupt test.\n",
6907 /* Disable the current interrupt mode */
6908 lpfc_sli_disable_intr(phba
);
6909 /* Try next level of interrupt mode */
6910 cfg_mode
= --intr_mode
;
6914 /* Perform post initialization setup */
6915 lpfc_post_init_setup(phba
);
6917 /* Check if there are static vports to be created. */
6918 lpfc_create_static_vport(phba
);
6923 lpfc_unset_hba(phba
);
6924 out_free_sysfs_attr
:
6925 lpfc_free_sysfs_attr(vport
);
6927 lpfc_destroy_shost(phba
);
6928 out_unset_driver_resource
:
6929 lpfc_unset_driver_resource_phase2(phba
);
6931 lpfc_free_iocb_list(phba
);
6932 out_unset_driver_resource_s3
:
6933 lpfc_sli_driver_resource_unset(phba
);
6934 out_unset_pci_mem_s3
:
6935 lpfc_sli_pci_mem_unset(phba
);
6936 out_disable_pci_dev
:
6937 lpfc_disable_pci_dev(phba
);
6939 scsi_host_put(shost
);
6941 lpfc_hba_free(phba
);
6946 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6947 * @pdev: pointer to PCI device
6949 * This routine is to be called to disattach a device with SLI-3 interface
6950 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6951 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6952 * device to be removed from the PCI subsystem properly.
6954 static void __devexit
6955 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
6957 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6958 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6959 struct lpfc_vport
**vports
;
6960 struct lpfc_hba
*phba
= vport
->phba
;
6962 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
6964 spin_lock_irq(&phba
->hbalock
);
6965 vport
->load_flag
|= FC_UNLOADING
;
6966 spin_unlock_irq(&phba
->hbalock
);
6968 lpfc_free_sysfs_attr(vport
);
6970 /* Release all the vports against this physical port */
6971 vports
= lpfc_create_vport_work_array(phba
);
6973 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
6974 fc_vport_terminate(vports
[i
]->fc_vport
);
6975 lpfc_destroy_vport_work_array(phba
, vports
);
6977 /* Remove FC host and then SCSI host with the physical port */
6978 fc_remove_host(shost
);
6979 scsi_remove_host(shost
);
6980 lpfc_cleanup(vport
);
6983 * Bring down the SLI Layer. This step disable all interrupts,
6984 * clears the rings, discards all mailbox commands, and resets
6988 /* HBA interrupt will be diabled after this call */
6989 lpfc_sli_hba_down(phba
);
6990 /* Stop kthread signal shall trigger work_done one more time */
6991 kthread_stop(phba
->worker_thread
);
6992 /* Final cleanup of txcmplq and reset the HBA */
6993 lpfc_sli_brdrestart(phba
);
6995 lpfc_stop_hba_timers(phba
);
6996 spin_lock_irq(&phba
->hbalock
);
6997 list_del_init(&vport
->listentry
);
6998 spin_unlock_irq(&phba
->hbalock
);
7000 lpfc_debugfs_terminate(vport
);
7002 /* Disable interrupt */
7003 lpfc_sli_disable_intr(phba
);
7005 pci_set_drvdata(pdev
, NULL
);
7006 scsi_host_put(shost
);
7009 * Call scsi_free before mem_free since scsi bufs are released to their
7010 * corresponding pools here.
7012 lpfc_scsi_free(phba
);
7013 lpfc_mem_free_all(phba
);
7015 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7016 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7018 /* Free resources associated with SLI2 interface */
7019 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7020 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7022 /* unmap adapter SLIM and Control Registers */
7023 iounmap(phba
->ctrl_regs_memmap_p
);
7024 iounmap(phba
->slim_memmap_p
);
7026 lpfc_hba_free(phba
);
7028 pci_release_selected_regions(pdev
, bars
);
7029 pci_disable_device(pdev
);
7033 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
7034 * @pdev: pointer to PCI device
7035 * @msg: power management message
7037 * This routine is to be called from the kernel's PCI subsystem to support
7038 * system Power Management (PM) to device with SLI-3 interface spec. When
7039 * PM invokes this method, it quiesces the device by stopping the driver's
7040 * worker thread for the device, turning off device's interrupt and DMA,
7041 * and bring the device offline. Note that as the driver implements the
7042 * minimum PM requirements to a power-aware driver's PM support for the
7043 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7044 * to the suspend() method call will be treated as SUSPEND and the driver will
7045 * fully reinitialize its device during resume() method call, the driver will
7046 * set device to PCI_D3hot state in PCI config space instead of setting it
7047 * according to the @msg provided by the PM.
7050 * 0 - driver suspended the device
7054 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
7056 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7057 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7059 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7060 "0473 PCI device Power Management suspend.\n");
7062 /* Bring down the device */
7063 lpfc_offline_prep(phba
);
7065 kthread_stop(phba
->worker_thread
);
7067 /* Disable interrupt from device */
7068 lpfc_sli_disable_intr(phba
);
7070 /* Save device state to PCI config space */
7071 pci_save_state(pdev
);
7072 pci_set_power_state(pdev
, PCI_D3hot
);
7078 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7079 * @pdev: pointer to PCI device
7081 * This routine is to be called from the kernel's PCI subsystem to support
7082 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7083 * invokes this method, it restores the device's PCI config space state and
7084 * fully reinitializes the device and brings it online. Note that as the
7085 * driver implements the minimum PM requirements to a power-aware driver's
7086 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7087 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7088 * driver will fully reinitialize its device during resume() method call,
7089 * the device will be set to PCI_D0 directly in PCI config space before
7090 * restoring the state.
7093 * 0 - driver suspended the device
7097 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
7099 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7100 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7104 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7105 "0452 PCI device Power Management resume.\n");
7107 /* Restore device state from PCI config space */
7108 pci_set_power_state(pdev
, PCI_D0
);
7109 pci_restore_state(pdev
);
7111 if (pdev
->is_busmaster
)
7112 pci_set_master(pdev
);
7114 /* Startup the kernel thread for this host adapter. */
7115 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7116 "lpfc_worker_%d", phba
->brd_no
);
7117 if (IS_ERR(phba
->worker_thread
)) {
7118 error
= PTR_ERR(phba
->worker_thread
);
7119 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7120 "0434 PM resume failed to start worker "
7121 "thread: error=x%x.\n", error
);
7125 /* Configure and enable interrupt */
7126 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7127 if (intr_mode
== LPFC_INTR_ERROR
) {
7128 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7129 "0430 PM resume Failed to enable interrupt\n");
7132 phba
->intr_mode
= intr_mode
;
7134 /* Restart HBA and bring it online */
7135 lpfc_sli_brdrestart(phba
);
7138 /* Log the current active interrupt mode */
7139 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7145 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
7146 * @phba: pointer to lpfc hba data structure.
7148 * This routine is called to prepare the SLI3 device for PCI slot recover. It
7149 * aborts and stops all the on-going I/Os on the pci device.
7152 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
7154 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7155 "2723 PCI channel I/O abort preparing for recovery\n");
7156 /* Prepare for bringing HBA offline */
7157 lpfc_offline_prep(phba
);
7158 /* Clear sli active flag to prevent sysfs access to HBA */
7159 spin_lock_irq(&phba
->hbalock
);
7160 phba
->sli
.sli_flag
&= ~LPFC_SLI_ACTIVE
;
7161 spin_unlock_irq(&phba
->hbalock
);
7162 /* Stop and flush all I/Os and bring HBA offline */
7167 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
7168 * @phba: pointer to lpfc hba data structure.
7170 * This routine is called to prepare the SLI3 device for PCI slot reset. It
7171 * disables the device interrupt and pci device, and aborts the internal FCP
7175 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
7177 struct lpfc_sli
*psli
= &phba
->sli
;
7178 struct lpfc_sli_ring
*pring
;
7180 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7181 "2710 PCI channel disable preparing for reset\n");
7182 /* Disable interrupt and pci device */
7183 lpfc_sli_disable_intr(phba
);
7184 pci_disable_device(phba
->pcidev
);
7186 * There may be I/Os dropped by the firmware.
7187 * Error iocb (I/O) on txcmplq and let the SCSI layer
7188 * retry it after re-establishing link.
7190 pring
= &psli
->ring
[psli
->fcp_ring
];
7191 lpfc_sli_abort_iocb_ring(phba
, pring
);
7195 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
7196 * @phba: pointer to lpfc hba data structure.
7198 * This routine is called to prepare the SLI3 device for PCI slot permanently
7199 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
7203 lpfc_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
7205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7206 "2711 PCI channel permanent disable for failure\n");
7207 /* Block all SCSI devices' I/Os on the host */
7208 lpfc_scsi_dev_block(phba
);
7209 /* Clean up all driver's outstanding SCSI I/Os */
7210 lpfc_sli_flush_fcp_rings(phba
);
7214 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7215 * @pdev: pointer to PCI device.
7216 * @state: the current PCI connection state.
7218 * This routine is called from the PCI subsystem for I/O error handling to
7219 * device with SLI-3 interface spec. This function is called by the PCI
7220 * subsystem after a PCI bus error affecting this device has been detected.
7221 * When this function is invoked, it will need to stop all the I/Os and
7222 * interrupt(s) to the device. Once that is done, it will return
7223 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7227 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
7228 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7229 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7231 static pci_ers_result_t
7232 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
7234 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7235 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7238 case pci_channel_io_normal
:
7239 /* Non-fatal error, prepare for recovery */
7240 lpfc_sli_prep_dev_for_recover(phba
);
7241 return PCI_ERS_RESULT_CAN_RECOVER
;
7242 case pci_channel_io_frozen
:
7243 /* Fatal error, prepare for slot reset */
7244 lpfc_sli_prep_dev_for_reset(phba
);
7245 return PCI_ERS_RESULT_NEED_RESET
;
7246 case pci_channel_io_perm_failure
:
7247 /* Permanent failure, prepare for device down */
7248 lpfc_prep_dev_for_perm_failure(phba
);
7249 return PCI_ERS_RESULT_DISCONNECT
;
7251 /* Unknown state, prepare and request slot reset */
7252 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7253 "0472 Unknown PCI error state: x%x\n", state
);
7254 lpfc_sli_prep_dev_for_reset(phba
);
7255 return PCI_ERS_RESULT_NEED_RESET
;
7260 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7261 * @pdev: pointer to PCI device.
7263 * This routine is called from the PCI subsystem for error handling to
7264 * device with SLI-3 interface spec. This is called after PCI bus has been
7265 * reset to restart the PCI card from scratch, as if from a cold-boot.
7266 * During the PCI subsystem error recovery, after driver returns
7267 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7268 * recovery and then call this routine before calling the .resume method
7269 * to recover the device. This function will initialize the HBA device,
7270 * enable the interrupt, but it will just put the HBA to offline state
7271 * without passing any I/O traffic.
7274 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7275 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7277 static pci_ers_result_t
7278 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
7280 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7281 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7282 struct lpfc_sli
*psli
= &phba
->sli
;
7285 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
7286 if (pci_enable_device_mem(pdev
)) {
7287 printk(KERN_ERR
"lpfc: Cannot re-enable "
7288 "PCI device after reset.\n");
7289 return PCI_ERS_RESULT_DISCONNECT
;
7292 pci_restore_state(pdev
);
7293 if (pdev
->is_busmaster
)
7294 pci_set_master(pdev
);
7296 spin_lock_irq(&phba
->hbalock
);
7297 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
7298 spin_unlock_irq(&phba
->hbalock
);
7300 /* Configure and enable interrupt */
7301 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
7302 if (intr_mode
== LPFC_INTR_ERROR
) {
7303 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7304 "0427 Cannot re-enable interrupt after "
7306 return PCI_ERS_RESULT_DISCONNECT
;
7308 phba
->intr_mode
= intr_mode
;
7310 /* Take device offline; this will perform cleanup */
7312 lpfc_sli_brdrestart(phba
);
7314 /* Log the current active interrupt mode */
7315 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7317 return PCI_ERS_RESULT_RECOVERED
;
7321 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7322 * @pdev: pointer to PCI device
7324 * This routine is called from the PCI subsystem for error handling to device
7325 * with SLI-3 interface spec. It is called when kernel error recovery tells
7326 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7327 * error recovery. After this call, traffic can start to flow from this device
7331 lpfc_io_resume_s3(struct pci_dev
*pdev
)
7333 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7334 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7336 /* Bring the device online */
7339 /* Clean up Advanced Error Reporting (AER) if needed */
7340 if (phba
->hba_flag
& HBA_AER_ENABLED
)
7341 pci_cleanup_aer_uncorrect_error_status(pdev
);
7345 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7346 * @phba: pointer to lpfc hba data structure.
7348 * returns the number of ELS/CT IOCBs to reserve
7351 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
7353 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
7355 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
7358 else if (max_xri
<= 256)
7360 else if (max_xri
<= 512)
7362 else if (max_xri
<= 1024)
7371 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7372 * @pdev: pointer to PCI device
7373 * @pid: pointer to PCI device identifier
7375 * This routine is called from the kernel's PCI subsystem to device with
7376 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7377 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7378 * information of the device and driver to see if the driver state that it
7379 * can support this kind of device. If the match is successful, the driver
7380 * core invokes this routine. If this routine determines it can claim the HBA,
7381 * it does all the initialization that it needs to do to handle the HBA
7385 * 0 - driver can claim the device
7386 * negative value - driver can not claim the device
7388 static int __devinit
7389 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7391 struct lpfc_hba
*phba
;
7392 struct lpfc_vport
*vport
= NULL
;
7393 struct Scsi_Host
*shost
= NULL
;
7395 uint32_t cfg_mode
, intr_mode
;
7398 /* Allocate memory for HBA structure */
7399 phba
= lpfc_hba_alloc(pdev
);
7403 /* Perform generic PCI device enabling operation */
7404 error
= lpfc_enable_pci_dev(phba
);
7406 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7407 "1409 Failed to enable pci device.\n");
7411 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7412 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
7414 goto out_disable_pci_dev
;
7416 /* Set up SLI-4 specific device PCI memory space */
7417 error
= lpfc_sli4_pci_mem_setup(phba
);
7419 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7420 "1410 Failed to set up pci memory space.\n");
7421 goto out_disable_pci_dev
;
7424 /* Set up phase-1 common device driver resources */
7425 error
= lpfc_setup_driver_resource_phase1(phba
);
7427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7428 "1411 Failed to set up driver resource.\n");
7429 goto out_unset_pci_mem_s4
;
7432 /* Set up SLI-4 Specific device driver resources */
7433 error
= lpfc_sli4_driver_resource_setup(phba
);
7435 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7436 "1412 Failed to set up driver resource.\n");
7437 goto out_unset_pci_mem_s4
;
7440 /* Initialize and populate the iocb list per host */
7441 error
= lpfc_init_iocb_list(phba
,
7442 phba
->sli4_hba
.max_cfg_param
.max_xri
);
7444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7445 "1413 Failed to initialize iocb list.\n");
7446 goto out_unset_driver_resource_s4
;
7449 /* Set up common device driver resources */
7450 error
= lpfc_setup_driver_resource_phase2(phba
);
7452 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7453 "1414 Failed to set up driver resource.\n");
7454 goto out_free_iocb_list
;
7457 /* Create SCSI host to the physical port */
7458 error
= lpfc_create_shost(phba
);
7460 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7461 "1415 Failed to create scsi host.\n");
7462 goto out_unset_driver_resource
;
7465 /* Configure sysfs attributes */
7466 vport
= phba
->pport
;
7467 error
= lpfc_alloc_sysfs_attr(vport
);
7469 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7470 "1416 Failed to allocate sysfs attr\n");
7471 goto out_destroy_shost
;
7474 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
7475 /* Now, trying to enable interrupt and bring up the device */
7476 cfg_mode
= phba
->cfg_use_msi
;
7478 /* Put device to a known state before enabling interrupt */
7479 lpfc_stop_port(phba
);
7480 /* Configure and enable interrupt */
7481 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
7482 if (intr_mode
== LPFC_INTR_ERROR
) {
7483 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7484 "0426 Failed to enable interrupt.\n");
7486 goto out_free_sysfs_attr
;
7488 /* Set up SLI-4 HBA */
7489 if (lpfc_sli4_hba_setup(phba
)) {
7490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7491 "1421 Failed to set up hba\n");
7493 goto out_disable_intr
;
7496 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7498 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
7501 /* Check active interrupts received only for MSI/MSI-X */
7502 if (intr_mode
== 0 ||
7503 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
7504 /* Log the current active interrupt mode */
7505 phba
->intr_mode
= intr_mode
;
7506 lpfc_log_intr_mode(phba
, intr_mode
);
7509 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7510 "0451 Configure interrupt mode (%d) "
7511 "failed active interrupt test.\n",
7513 /* Unset the preivous SLI-4 HBA setup */
7514 lpfc_sli4_unset_hba(phba
);
7515 /* Try next level of interrupt mode */
7516 cfg_mode
= --intr_mode
;
7519 /* Perform post initialization setup */
7520 lpfc_post_init_setup(phba
);
7522 /* Check if there are static vports to be created. */
7523 lpfc_create_static_vport(phba
);
7528 lpfc_sli4_disable_intr(phba
);
7529 out_free_sysfs_attr
:
7530 lpfc_free_sysfs_attr(vport
);
7532 lpfc_destroy_shost(phba
);
7533 out_unset_driver_resource
:
7534 lpfc_unset_driver_resource_phase2(phba
);
7536 lpfc_free_iocb_list(phba
);
7537 out_unset_driver_resource_s4
:
7538 lpfc_sli4_driver_resource_unset(phba
);
7539 out_unset_pci_mem_s4
:
7540 lpfc_sli4_pci_mem_unset(phba
);
7541 out_disable_pci_dev
:
7542 lpfc_disable_pci_dev(phba
);
7544 scsi_host_put(shost
);
7546 lpfc_hba_free(phba
);
7551 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7552 * @pdev: pointer to PCI device
7554 * This routine is called from the kernel's PCI subsystem to device with
7555 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7556 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7557 * device to be removed from the PCI subsystem properly.
7559 static void __devexit
7560 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
7562 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7563 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
7564 struct lpfc_vport
**vports
;
7565 struct lpfc_hba
*phba
= vport
->phba
;
7568 /* Mark the device unloading flag */
7569 spin_lock_irq(&phba
->hbalock
);
7570 vport
->load_flag
|= FC_UNLOADING
;
7571 spin_unlock_irq(&phba
->hbalock
);
7573 /* Free the HBA sysfs attributes */
7574 lpfc_free_sysfs_attr(vport
);
7576 /* Release all the vports against this physical port */
7577 vports
= lpfc_create_vport_work_array(phba
);
7579 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
7580 fc_vport_terminate(vports
[i
]->fc_vport
);
7581 lpfc_destroy_vport_work_array(phba
, vports
);
7583 /* Remove FC host and then SCSI host with the physical port */
7584 fc_remove_host(shost
);
7585 scsi_remove_host(shost
);
7587 /* Perform cleanup on the physical port */
7588 lpfc_cleanup(vport
);
7591 * Bring down the SLI Layer. This step disables all interrupts,
7592 * clears the rings, discards all mailbox commands, and resets
7593 * the HBA FCoE function.
7595 lpfc_debugfs_terminate(vport
);
7596 lpfc_sli4_hba_unset(phba
);
7598 spin_lock_irq(&phba
->hbalock
);
7599 list_del_init(&vport
->listentry
);
7600 spin_unlock_irq(&phba
->hbalock
);
7602 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7603 * buffers are released to their corresponding pools here.
7605 lpfc_scsi_free(phba
);
7606 lpfc_sli4_driver_resource_unset(phba
);
7608 /* Unmap adapter Control and Doorbell registers */
7609 lpfc_sli4_pci_mem_unset(phba
);
7611 /* Release PCI resources and disable device's PCI function */
7612 scsi_host_put(shost
);
7613 lpfc_disable_pci_dev(phba
);
7615 /* Finally, free the driver's device data structure */
7616 lpfc_hba_free(phba
);
7622 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7623 * @pdev: pointer to PCI device
7624 * @msg: power management message
7626 * This routine is called from the kernel's PCI subsystem to support system
7627 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7628 * this method, it quiesces the device by stopping the driver's worker
7629 * thread for the device, turning off device's interrupt and DMA, and bring
7630 * the device offline. Note that as the driver implements the minimum PM
7631 * requirements to a power-aware driver's PM support for suspend/resume -- all
7632 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7633 * method call will be treated as SUSPEND and the driver will fully
7634 * reinitialize its device during resume() method call, the driver will set
7635 * device to PCI_D3hot state in PCI config space instead of setting it
7636 * according to the @msg provided by the PM.
7639 * 0 - driver suspended the device
7643 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
7645 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7646 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7648 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7649 "0298 PCI device Power Management suspend.\n");
7651 /* Bring down the device */
7652 lpfc_offline_prep(phba
);
7654 kthread_stop(phba
->worker_thread
);
7656 /* Disable interrupt from device */
7657 lpfc_sli4_disable_intr(phba
);
7659 /* Save device state to PCI config space */
7660 pci_save_state(pdev
);
7661 pci_set_power_state(pdev
, PCI_D3hot
);
7667 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7668 * @pdev: pointer to PCI device
7670 * This routine is called from the kernel's PCI subsystem to support system
7671 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7672 * this method, it restores the device's PCI config space state and fully
7673 * reinitializes the device and brings it online. Note that as the driver
7674 * implements the minimum PM requirements to a power-aware driver's PM for
7675 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7676 * to the suspend() method call will be treated as SUSPEND and the driver
7677 * will fully reinitialize its device during resume() method call, the device
7678 * will be set to PCI_D0 directly in PCI config space before restoring the
7682 * 0 - driver suspended the device
7686 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
7688 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7689 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7693 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7694 "0292 PCI device Power Management resume.\n");
7696 /* Restore device state from PCI config space */
7697 pci_set_power_state(pdev
, PCI_D0
);
7698 pci_restore_state(pdev
);
7699 if (pdev
->is_busmaster
)
7700 pci_set_master(pdev
);
7702 /* Startup the kernel thread for this host adapter. */
7703 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
7704 "lpfc_worker_%d", phba
->brd_no
);
7705 if (IS_ERR(phba
->worker_thread
)) {
7706 error
= PTR_ERR(phba
->worker_thread
);
7707 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7708 "0293 PM resume failed to start worker "
7709 "thread: error=x%x.\n", error
);
7713 /* Configure and enable interrupt */
7714 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
7715 if (intr_mode
== LPFC_INTR_ERROR
) {
7716 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7717 "0294 PM resume Failed to enable interrupt\n");
7720 phba
->intr_mode
= intr_mode
;
7722 /* Restart HBA and bring it online */
7723 lpfc_sli_brdrestart(phba
);
7726 /* Log the current active interrupt mode */
7727 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
7733 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7734 * @pdev: pointer to PCI device.
7735 * @state: the current PCI connection state.
7737 * This routine is called from the PCI subsystem for error handling to device
7738 * with SLI-4 interface spec. This function is called by the PCI subsystem
7739 * after a PCI bus error affecting this device has been detected. When this
7740 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7741 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7742 * for the PCI subsystem to perform proper recovery as desired.
7745 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7746 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7748 static pci_ers_result_t
7749 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
7751 return PCI_ERS_RESULT_NEED_RESET
;
7755 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7756 * @pdev: pointer to PCI device.
7758 * This routine is called from the PCI subsystem for error handling to device
7759 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7760 * restart the PCI card from scratch, as if from a cold-boot. During the
7761 * PCI subsystem error recovery, after the driver returns
7762 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7763 * recovery and then call this routine before calling the .resume method to
7764 * recover the device. This function will initialize the HBA device, enable
7765 * the interrupt, but it will just put the HBA to offline state without
7766 * passing any I/O traffic.
7769 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7770 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7772 static pci_ers_result_t
7773 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
7775 return PCI_ERS_RESULT_RECOVERED
;
7779 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7780 * @pdev: pointer to PCI device
7782 * This routine is called from the PCI subsystem for error handling to device
7783 * with SLI-4 interface spec. It is called when kernel error recovery tells
7784 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7785 * error recovery. After this call, traffic can start to flow from this device
7789 lpfc_io_resume_s4(struct pci_dev
*pdev
)
7795 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7796 * @pdev: pointer to PCI device
7797 * @pid: pointer to PCI device identifier
7799 * This routine is to be registered to the kernel's PCI subsystem. When an
7800 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7801 * at PCI device-specific information of the device and driver to see if the
7802 * driver state that it can support this kind of device. If the match is
7803 * successful, the driver core invokes this routine. This routine dispatches
7804 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7805 * do all the initialization that it needs to do to handle the HBA device
7809 * 0 - driver can claim the device
7810 * negative value - driver can not claim the device
7812 static int __devinit
7813 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
7816 struct lpfc_sli_intf intf
;
7818 if (pci_read_config_dword(pdev
, LPFC_SLIREV_CONF_WORD
, &intf
.word0
))
7821 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
7822 (bf_get(lpfc_sli_intf_rev
, &intf
) == LPFC_SLIREV_CONF_SLI4
))
7823 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
7825 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
7831 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7832 * @pdev: pointer to PCI device
7834 * This routine is to be registered to the kernel's PCI subsystem. When an
7835 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7836 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7837 * remove routine, which will perform all the necessary cleanup for the
7838 * device to be removed from the PCI subsystem properly.
7840 static void __devexit
7841 lpfc_pci_remove_one(struct pci_dev
*pdev
)
7843 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7844 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7846 switch (phba
->pci_dev_grp
) {
7847 case LPFC_PCI_DEV_LP
:
7848 lpfc_pci_remove_one_s3(pdev
);
7850 case LPFC_PCI_DEV_OC
:
7851 lpfc_pci_remove_one_s4(pdev
);
7854 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7855 "1424 Invalid PCI device group: 0x%x\n",
7863 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7864 * @pdev: pointer to PCI device
7865 * @msg: power management message
7867 * This routine is to be registered to the kernel's PCI subsystem to support
7868 * system Power Management (PM). When PM invokes this method, it dispatches
7869 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7870 * suspend the device.
7873 * 0 - driver suspended the device
7877 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
7879 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7880 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7883 switch (phba
->pci_dev_grp
) {
7884 case LPFC_PCI_DEV_LP
:
7885 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
7887 case LPFC_PCI_DEV_OC
:
7888 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
7891 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7892 "1425 Invalid PCI device group: 0x%x\n",
7900 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7901 * @pdev: pointer to PCI device
7903 * This routine is to be registered to the kernel's PCI subsystem to support
7904 * system Power Management (PM). When PM invokes this method, it dispatches
7905 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7906 * resume the device.
7909 * 0 - driver suspended the device
7913 lpfc_pci_resume_one(struct pci_dev
*pdev
)
7915 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7916 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7919 switch (phba
->pci_dev_grp
) {
7920 case LPFC_PCI_DEV_LP
:
7921 rc
= lpfc_pci_resume_one_s3(pdev
);
7923 case LPFC_PCI_DEV_OC
:
7924 rc
= lpfc_pci_resume_one_s4(pdev
);
7927 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7928 "1426 Invalid PCI device group: 0x%x\n",
7936 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7937 * @pdev: pointer to PCI device.
7938 * @state: the current PCI connection state.
7940 * This routine is registered to the PCI subsystem for error handling. This
7941 * function is called by the PCI subsystem after a PCI bus error affecting
7942 * this device has been detected. When this routine is invoked, it dispatches
7943 * the action to the proper SLI-3 or SLI-4 device error detected handling
7944 * routine, which will perform the proper error detected operation.
7947 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7948 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7950 static pci_ers_result_t
7951 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7953 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7954 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7955 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7957 switch (phba
->pci_dev_grp
) {
7958 case LPFC_PCI_DEV_LP
:
7959 rc
= lpfc_io_error_detected_s3(pdev
, state
);
7961 case LPFC_PCI_DEV_OC
:
7962 rc
= lpfc_io_error_detected_s4(pdev
, state
);
7965 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7966 "1427 Invalid PCI device group: 0x%x\n",
7974 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
7975 * @pdev: pointer to PCI device.
7977 * This routine is registered to the PCI subsystem for error handling. This
7978 * function is called after PCI bus has been reset to restart the PCI card
7979 * from scratch, as if from a cold-boot. When this routine is invoked, it
7980 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
7981 * routine, which will perform the proper device reset.
7984 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7985 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7987 static pci_ers_result_t
7988 lpfc_io_slot_reset(struct pci_dev
*pdev
)
7990 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7991 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
7992 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
7994 switch (phba
->pci_dev_grp
) {
7995 case LPFC_PCI_DEV_LP
:
7996 rc
= lpfc_io_slot_reset_s3(pdev
);
7998 case LPFC_PCI_DEV_OC
:
7999 rc
= lpfc_io_slot_reset_s4(pdev
);
8002 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8003 "1428 Invalid PCI device group: 0x%x\n",
8011 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
8012 * @pdev: pointer to PCI device
8014 * This routine is registered to the PCI subsystem for error handling. It
8015 * is called when kernel error recovery tells the lpfc driver that it is
8016 * OK to resume normal PCI operation after PCI bus error recovery. When
8017 * this routine is invoked, it dispatches the action to the proper SLI-3
8018 * or SLI-4 device io_resume routine, which will resume the device operation.
8021 lpfc_io_resume(struct pci_dev
*pdev
)
8023 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8024 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8026 switch (phba
->pci_dev_grp
) {
8027 case LPFC_PCI_DEV_LP
:
8028 lpfc_io_resume_s3(pdev
);
8030 case LPFC_PCI_DEV_OC
:
8031 lpfc_io_resume_s4(pdev
);
8034 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8035 "1429 Invalid PCI device group: 0x%x\n",
8042 static struct pci_device_id lpfc_id_table
[] = {
8043 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
8044 PCI_ANY_ID
, PCI_ANY_ID
, },
8045 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
8046 PCI_ANY_ID
, PCI_ANY_ID
, },
8047 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
8048 PCI_ANY_ID
, PCI_ANY_ID
, },
8049 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
8050 PCI_ANY_ID
, PCI_ANY_ID
, },
8051 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
8052 PCI_ANY_ID
, PCI_ANY_ID
, },
8053 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
8054 PCI_ANY_ID
, PCI_ANY_ID
, },
8055 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
8056 PCI_ANY_ID
, PCI_ANY_ID
, },
8057 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
8058 PCI_ANY_ID
, PCI_ANY_ID
, },
8059 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
8060 PCI_ANY_ID
, PCI_ANY_ID
, },
8061 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
8062 PCI_ANY_ID
, PCI_ANY_ID
, },
8063 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
8064 PCI_ANY_ID
, PCI_ANY_ID
, },
8065 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
8066 PCI_ANY_ID
, PCI_ANY_ID
, },
8067 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
8068 PCI_ANY_ID
, PCI_ANY_ID
, },
8069 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
8070 PCI_ANY_ID
, PCI_ANY_ID
, },
8071 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
8072 PCI_ANY_ID
, PCI_ANY_ID
, },
8073 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
8074 PCI_ANY_ID
, PCI_ANY_ID
, },
8075 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
8076 PCI_ANY_ID
, PCI_ANY_ID
, },
8077 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
8078 PCI_ANY_ID
, PCI_ANY_ID
, },
8079 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
8080 PCI_ANY_ID
, PCI_ANY_ID
, },
8081 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
8082 PCI_ANY_ID
, PCI_ANY_ID
, },
8083 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
8084 PCI_ANY_ID
, PCI_ANY_ID
, },
8085 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
8086 PCI_ANY_ID
, PCI_ANY_ID
, },
8087 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
8088 PCI_ANY_ID
, PCI_ANY_ID
, },
8089 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
8090 PCI_ANY_ID
, PCI_ANY_ID
, },
8091 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
8092 PCI_ANY_ID
, PCI_ANY_ID
, },
8093 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
8094 PCI_ANY_ID
, PCI_ANY_ID
, },
8095 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
8096 PCI_ANY_ID
, PCI_ANY_ID
, },
8097 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
8098 PCI_ANY_ID
, PCI_ANY_ID
, },
8099 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
8100 PCI_ANY_ID
, PCI_ANY_ID
, },
8101 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
8102 PCI_ANY_ID
, PCI_ANY_ID
, },
8103 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
8104 PCI_ANY_ID
, PCI_ANY_ID
, },
8105 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
8106 PCI_ANY_ID
, PCI_ANY_ID
, },
8107 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
8108 PCI_ANY_ID
, PCI_ANY_ID
, },
8109 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
8110 PCI_ANY_ID
, PCI_ANY_ID
, },
8111 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
8112 PCI_ANY_ID
, PCI_ANY_ID
, },
8113 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
8114 PCI_ANY_ID
, PCI_ANY_ID
, },
8115 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
8116 PCI_ANY_ID
, PCI_ANY_ID
, },
8117 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
8118 PCI_ANY_ID
, PCI_ANY_ID
, },
8119 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TS_BE3
,
8120 PCI_ANY_ID
, PCI_ANY_ID
, },
8124 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
8126 static struct pci_error_handlers lpfc_err_handler
= {
8127 .error_detected
= lpfc_io_error_detected
,
8128 .slot_reset
= lpfc_io_slot_reset
,
8129 .resume
= lpfc_io_resume
,
8132 static struct pci_driver lpfc_driver
= {
8133 .name
= LPFC_DRIVER_NAME
,
8134 .id_table
= lpfc_id_table
,
8135 .probe
= lpfc_pci_probe_one
,
8136 .remove
= __devexit_p(lpfc_pci_remove_one
),
8137 .suspend
= lpfc_pci_suspend_one
,
8138 .resume
= lpfc_pci_resume_one
,
8139 .err_handler
= &lpfc_err_handler
,
8143 * lpfc_init - lpfc module initialization routine
8145 * This routine is to be invoked when the lpfc module is loaded into the
8146 * kernel. The special kernel macro module_init() is used to indicate the
8147 * role of this routine to the kernel as lpfc module entry point.
8151 * -ENOMEM - FC attach transport failed
8152 * all others - failed
8159 printk(LPFC_MODULE_DESC
"\n");
8160 printk(LPFC_COPYRIGHT
"\n");
8162 if (lpfc_enable_npiv
) {
8163 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
8164 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
8166 lpfc_transport_template
=
8167 fc_attach_transport(&lpfc_transport_functions
);
8168 if (lpfc_transport_template
== NULL
)
8170 if (lpfc_enable_npiv
) {
8171 lpfc_vport_transport_template
=
8172 fc_attach_transport(&lpfc_vport_transport_functions
);
8173 if (lpfc_vport_transport_template
== NULL
) {
8174 fc_release_transport(lpfc_transport_template
);
8178 error
= pci_register_driver(&lpfc_driver
);
8180 fc_release_transport(lpfc_transport_template
);
8181 if (lpfc_enable_npiv
)
8182 fc_release_transport(lpfc_vport_transport_template
);
8189 * lpfc_exit - lpfc module removal routine
8191 * This routine is invoked when the lpfc module is removed from the kernel.
8192 * The special kernel macro module_exit() is used to indicate the role of
8193 * this routine to the kernel as lpfc module exit point.
8198 pci_unregister_driver(&lpfc_driver
);
8199 fc_release_transport(lpfc_transport_template
);
8200 if (lpfc_enable_npiv
)
8201 fc_release_transport(lpfc_vport_transport_template
);
8202 if (_dump_buf_data
) {
8203 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
8204 "_dump_buf_data at 0x%p\n",
8205 (1L << _dump_buf_data_order
), _dump_buf_data
);
8206 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
8209 if (_dump_buf_dif
) {
8210 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
8211 "_dump_buf_dif at 0x%p\n",
8212 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
8213 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
8217 module_init(lpfc_init
);
8218 module_exit(lpfc_exit
);
8219 MODULE_LICENSE("GPL");
8220 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
8221 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8222 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);