1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2012 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/module.h>
28 #include <linux/kthread.h>
29 #include <linux/pci.h>
30 #include <linux/spinlock.h>
31 #include <linux/ctype.h>
32 #include <linux/aer.h>
33 #include <linux/slab.h>
34 #include <linux/firmware.h>
35 #include <linux/miscdevice.h>
36 #include <linux/percpu.h>
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_transport_fc.h>
46 #include "lpfc_sli4.h"
48 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
51 #include "lpfc_logmsg.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_version.h"
57 unsigned long _dump_buf_data_order
;
59 unsigned long _dump_buf_dif_order
;
60 spinlock_t _dump_buf_lock
;
62 /* Used when mapping IRQ vectors in a driver centric manner */
63 uint16_t lpfc_used_cpu
[LPFC_MAX_CPU
];
65 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
66 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
67 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
68 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
69 static int lpfc_setup_endian_order(struct lpfc_hba
*);
70 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
71 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
72 static void lpfc_init_sgl_list(struct lpfc_hba
*);
73 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
74 static void lpfc_free_active_sgl(struct lpfc_hba
*);
75 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
76 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
77 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
78 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
79 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
80 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
81 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
83 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
84 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
85 static DEFINE_IDR(lpfc_hba_index
);
88 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
89 * @phba: pointer to lpfc hba data structure.
91 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
92 * mailbox command. It retrieves the revision information from the HBA and
93 * collects the Vital Product Data (VPD) about the HBA for preparing the
94 * configuration of the HBA.
98 * -ERESTART - requests the SLI layer to reset the HBA and try again.
99 * Any other value - indicates an error.
102 lpfc_config_port_prep(struct lpfc_hba
*phba
)
104 lpfc_vpd_t
*vp
= &phba
->vpd
;
108 char *lpfc_vpd_data
= NULL
;
110 static char licensed
[56] =
111 "key unlock for use with gnu public licensed code only\0";
112 static int init_key
= 1;
114 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
116 phba
->link_state
= LPFC_HBA_ERROR
;
121 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
123 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
125 uint32_t *ptext
= (uint32_t *) licensed
;
127 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
128 *ptext
= cpu_to_be32(*ptext
);
132 lpfc_read_nv(phba
, pmb
);
133 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
134 sizeof (mb
->un
.varRDnvp
.rsvd3
));
135 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
138 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
140 if (rc
!= MBX_SUCCESS
) {
141 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
142 "0324 Config Port initialization "
143 "error, mbxCmd x%x READ_NVPARM, "
145 mb
->mbxCommand
, mb
->mbxStatus
);
146 mempool_free(pmb
, phba
->mbox_mem_pool
);
149 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
151 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
155 phba
->sli3_options
= 0x0;
157 /* Setup and issue mailbox READ REV command */
158 lpfc_read_rev(phba
, pmb
);
159 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
160 if (rc
!= MBX_SUCCESS
) {
161 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
162 "0439 Adapter failed to init, mbxCmd x%x "
163 "READ_REV, mbxStatus x%x\n",
164 mb
->mbxCommand
, mb
->mbxStatus
);
165 mempool_free( pmb
, phba
->mbox_mem_pool
);
171 * The value of rr must be 1 since the driver set the cv field to 1.
172 * This setting requires the FW to set all revision fields.
174 if (mb
->un
.varRdRev
.rr
== 0) {
176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
177 "0440 Adapter failed to init, READ_REV has "
178 "missing revision information.\n");
179 mempool_free(pmb
, phba
->mbox_mem_pool
);
183 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
184 mempool_free(pmb
, phba
->mbox_mem_pool
);
188 /* Save information as VPD data */
190 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
191 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
192 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
193 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
194 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
195 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
196 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
197 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
198 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
199 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
200 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
201 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
202 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
203 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
204 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
206 /* If the sli feature level is less then 9, we must
207 * tear down all RPIs and VPIs on link down if NPIV
210 if (vp
->rev
.feaLevelHigh
< 9)
211 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
213 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
214 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
215 sizeof (phba
->RandomData
));
217 /* Get adapter VPD information */
218 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
222 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
223 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
225 if (rc
!= MBX_SUCCESS
) {
226 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
227 "0441 VPD not present on adapter, "
228 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
229 mb
->mbxCommand
, mb
->mbxStatus
);
230 mb
->un
.varDmp
.word_cnt
= 0;
232 /* dump mem may return a zero when finished or we got a
233 * mailbox error, either way we are done.
235 if (mb
->un
.varDmp
.word_cnt
== 0)
237 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
238 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
239 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
240 lpfc_vpd_data
+ offset
,
241 mb
->un
.varDmp
.word_cnt
);
242 offset
+= mb
->un
.varDmp
.word_cnt
;
243 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
244 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
246 kfree(lpfc_vpd_data
);
248 mempool_free(pmb
, phba
->mbox_mem_pool
);
253 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
254 * @phba: pointer to lpfc hba data structure.
255 * @pmboxq: pointer to the driver internal queue element for mailbox command.
257 * This is the completion handler for driver's configuring asynchronous event
258 * mailbox command to the device. If the mailbox command returns successfully,
259 * it will set internal async event support flag to 1; otherwise, it will
260 * set internal async event support flag to 0.
263 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
265 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
266 phba
->temp_sensor_support
= 1;
268 phba
->temp_sensor_support
= 0;
269 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
274 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
275 * @phba: pointer to lpfc hba data structure.
276 * @pmboxq: pointer to the driver internal queue element for mailbox command.
278 * This is the completion handler for dump mailbox command for getting
279 * wake up parameters. When this command complete, the response contain
280 * Option rom version of the HBA. This function translate the version number
281 * into a human readable string and store it in OptionROMVersion.
284 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
287 uint32_t prog_id_word
;
289 /* character array used for decoding dist type. */
290 char dist_char
[] = "nabx";
292 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
293 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
297 prg
= (struct prog_id
*) &prog_id_word
;
299 /* word 7 contain option rom version */
300 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
302 /* Decode the Option rom version word to a readable string */
304 dist
= dist_char
[prg
->dist
];
306 if ((prg
->dist
== 3) && (prg
->num
== 0))
307 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
308 prg
->ver
, prg
->rev
, prg
->lev
);
310 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
311 prg
->ver
, prg
->rev
, prg
->lev
,
313 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
318 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
319 * cfg_soft_wwnn, cfg_soft_wwpn
320 * @vport: pointer to lpfc vport data structure.
327 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
329 /* If the soft name exists then update it using the service params */
330 if (vport
->phba
->cfg_soft_wwnn
)
331 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
332 vport
->fc_sparam
.nodeName
.u
.wwn
);
333 if (vport
->phba
->cfg_soft_wwpn
)
334 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
335 vport
->fc_sparam
.portName
.u
.wwn
);
338 * If the name is empty or there exists a soft name
339 * then copy the service params name, otherwise use the fc name
341 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
342 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
343 sizeof(struct lpfc_name
));
345 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
346 sizeof(struct lpfc_name
));
348 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
349 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
350 sizeof(struct lpfc_name
));
352 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
353 sizeof(struct lpfc_name
));
357 * lpfc_config_port_post - Perform lpfc initialization after config port
358 * @phba: pointer to lpfc hba data structure.
360 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
361 * command call. It performs all internal resource and state setups on the
362 * port: post IOCB buffers, enable appropriate host interrupt attentions,
363 * ELS ring timers, etc.
367 * Any other value - error.
370 lpfc_config_port_post(struct lpfc_hba
*phba
)
372 struct lpfc_vport
*vport
= phba
->pport
;
373 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
376 struct lpfc_dmabuf
*mp
;
377 struct lpfc_sli
*psli
= &phba
->sli
;
378 uint32_t status
, timeout
;
382 spin_lock_irq(&phba
->hbalock
);
384 * If the Config port completed correctly the HBA is not
385 * over heated any more.
387 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
388 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
389 spin_unlock_irq(&phba
->hbalock
);
391 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
393 phba
->link_state
= LPFC_HBA_ERROR
;
398 /* Get login parameters for NID. */
399 rc
= lpfc_read_sparam(phba
, pmb
, 0);
401 mempool_free(pmb
, phba
->mbox_mem_pool
);
406 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
407 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
408 "0448 Adapter failed init, mbxCmd x%x "
409 "READ_SPARM mbxStatus x%x\n",
410 mb
->mbxCommand
, mb
->mbxStatus
);
411 phba
->link_state
= LPFC_HBA_ERROR
;
412 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
413 mempool_free(pmb
, phba
->mbox_mem_pool
);
414 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
419 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
421 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
422 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
424 pmb
->context1
= NULL
;
425 lpfc_update_vport_wwn(vport
);
427 /* Update the fc_host data structures with new wwn. */
428 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
429 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
430 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
432 /* If no serial number in VPD data, use low 6 bytes of WWNN */
433 /* This should be consolidated into parse_vpd ? - mr */
434 if (phba
->SerialNumber
[0] == 0) {
437 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
438 for (i
= 0; i
< 12; i
++) {
440 j
= ((status
& 0xf0) >> 4);
442 phba
->SerialNumber
[i
] =
443 (char)((uint8_t) 0x30 + (uint8_t) j
);
445 phba
->SerialNumber
[i
] =
446 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
450 phba
->SerialNumber
[i
] =
451 (char)((uint8_t) 0x30 + (uint8_t) j
);
453 phba
->SerialNumber
[i
] =
454 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
458 lpfc_read_config(phba
, pmb
);
460 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
462 "0453 Adapter failed to init, mbxCmd x%x "
463 "READ_CONFIG, mbxStatus x%x\n",
464 mb
->mbxCommand
, mb
->mbxStatus
);
465 phba
->link_state
= LPFC_HBA_ERROR
;
466 mempool_free( pmb
, phba
->mbox_mem_pool
);
470 /* Check if the port is disabled */
471 lpfc_sli_read_link_ste(phba
);
473 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
474 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
475 phba
->cfg_hba_queue_depth
=
476 (mb
->un
.varRdConfig
.max_xri
+ 1) -
477 lpfc_sli4_get_els_iocb_cnt(phba
);
479 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
481 /* Get the default values for Model Name and Description */
482 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
484 phba
->link_state
= LPFC_LINK_DOWN
;
486 /* Only process IOCBs on ELS ring till hba_state is READY */
487 if (psli
->ring
[psli
->extra_ring
].sli
.sli3
.cmdringaddr
)
488 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
489 if (psli
->ring
[psli
->fcp_ring
].sli
.sli3
.cmdringaddr
)
490 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
491 if (psli
->ring
[psli
->next_ring
].sli
.sli3
.cmdringaddr
)
492 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
494 /* Post receive buffers for desired rings */
495 if (phba
->sli_rev
!= 3)
496 lpfc_post_rcv_buf(phba
);
499 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
501 if (phba
->intr_type
== MSIX
) {
502 rc
= lpfc_config_msi(phba
, pmb
);
504 mempool_free(pmb
, phba
->mbox_mem_pool
);
507 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
508 if (rc
!= MBX_SUCCESS
) {
509 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
510 "0352 Config MSI mailbox command "
511 "failed, mbxCmd x%x, mbxStatus x%x\n",
512 pmb
->u
.mb
.mbxCommand
,
513 pmb
->u
.mb
.mbxStatus
);
514 mempool_free(pmb
, phba
->mbox_mem_pool
);
519 spin_lock_irq(&phba
->hbalock
);
520 /* Initialize ERATT handling flag */
521 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
523 /* Enable appropriate host interrupts */
524 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
525 spin_unlock_irq(&phba
->hbalock
);
528 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
529 if (psli
->num_rings
> 0)
530 status
|= HC_R0INT_ENA
;
531 if (psli
->num_rings
> 1)
532 status
|= HC_R1INT_ENA
;
533 if (psli
->num_rings
> 2)
534 status
|= HC_R2INT_ENA
;
535 if (psli
->num_rings
> 3)
536 status
|= HC_R3INT_ENA
;
538 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
539 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
540 status
&= ~(HC_R0INT_ENA
);
542 writel(status
, phba
->HCregaddr
);
543 readl(phba
->HCregaddr
); /* flush */
544 spin_unlock_irq(&phba
->hbalock
);
546 /* Set up ring-0 (ELS) timer */
547 timeout
= phba
->fc_ratov
* 2;
548 mod_timer(&vport
->els_tmofunc
,
549 jiffies
+ msecs_to_jiffies(1000 * timeout
));
550 /* Set up heart beat (HB) timer */
551 mod_timer(&phba
->hb_tmofunc
,
552 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
553 phba
->hb_outstanding
= 0;
554 phba
->last_completion_time
= jiffies
;
555 /* Set up error attention (ERATT) polling timer */
556 mod_timer(&phba
->eratt_poll
,
557 jiffies
+ msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL
));
559 if (phba
->hba_flag
& LINK_DISABLED
) {
560 lpfc_printf_log(phba
,
562 "2598 Adapter Link is disabled.\n");
563 lpfc_down_link(phba
, pmb
);
564 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
565 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
566 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
567 lpfc_printf_log(phba
,
569 "2599 Adapter failed to issue DOWN_LINK"
570 " mbox command rc 0x%x\n", rc
);
572 mempool_free(pmb
, phba
->mbox_mem_pool
);
575 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
576 mempool_free(pmb
, phba
->mbox_mem_pool
);
577 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
581 /* MBOX buffer will be freed in mbox compl */
582 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
584 phba
->link_state
= LPFC_HBA_ERROR
;
588 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
589 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
590 pmb
->vport
= phba
->pport
;
591 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
593 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
594 lpfc_printf_log(phba
,
597 "0456 Adapter failed to issue "
598 "ASYNCEVT_ENABLE mbox status x%x\n",
600 mempool_free(pmb
, phba
->mbox_mem_pool
);
603 /* Get Option rom version */
604 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
606 phba
->link_state
= LPFC_HBA_ERROR
;
610 lpfc_dump_wakeup_param(phba
, pmb
);
611 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
612 pmb
->vport
= phba
->pport
;
613 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
615 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
616 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
617 "to get Option ROM version status x%x\n", rc
);
618 mempool_free(pmb
, phba
->mbox_mem_pool
);
625 * lpfc_hba_init_link - Initialize the FC link
626 * @phba: pointer to lpfc hba data structure.
627 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
629 * This routine will issue the INIT_LINK mailbox command call.
630 * It is available to other drivers through the lpfc_hba data
631 * structure for use as a delayed link up mechanism with the
632 * module parameter lpfc_suppress_link_up.
636 * Any other value - error
639 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
641 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
645 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
646 * @phba: pointer to lpfc hba data structure.
647 * @fc_topology: desired fc topology.
648 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
650 * This routine will issue the INIT_LINK mailbox command call.
651 * It is available to other drivers through the lpfc_hba data
652 * structure for use as a delayed link up mechanism with the
653 * module parameter lpfc_suppress_link_up.
657 * Any other value - error
660 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
663 struct lpfc_vport
*vport
= phba
->pport
;
668 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
670 phba
->link_state
= LPFC_HBA_ERROR
;
676 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
677 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
678 !(phba
->lmt
& LMT_1Gb
)) ||
679 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
680 !(phba
->lmt
& LMT_2Gb
)) ||
681 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
682 !(phba
->lmt
& LMT_4Gb
)) ||
683 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
684 !(phba
->lmt
& LMT_8Gb
)) ||
685 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
686 !(phba
->lmt
& LMT_10Gb
)) ||
687 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
688 !(phba
->lmt
& LMT_16Gb
))) {
689 /* Reset link speed to auto */
690 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
691 "1302 Invalid speed for this board:%d "
692 "Reset link speed to auto.\n",
693 phba
->cfg_link_speed
);
694 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
696 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
697 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
698 if (phba
->sli_rev
< LPFC_SLI_REV4
)
699 lpfc_set_loopback_flag(phba
);
700 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
701 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
702 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
703 "0498 Adapter failed to init, mbxCmd x%x "
704 "INIT_LINK, mbxStatus x%x\n",
705 mb
->mbxCommand
, mb
->mbxStatus
);
706 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
707 /* Clear all interrupt enable conditions */
708 writel(0, phba
->HCregaddr
);
709 readl(phba
->HCregaddr
); /* flush */
710 /* Clear all pending interrupts */
711 writel(0xffffffff, phba
->HAregaddr
);
712 readl(phba
->HAregaddr
); /* flush */
714 phba
->link_state
= LPFC_HBA_ERROR
;
715 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
716 mempool_free(pmb
, phba
->mbox_mem_pool
);
719 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
720 if (flag
== MBX_POLL
)
721 mempool_free(pmb
, phba
->mbox_mem_pool
);
727 * lpfc_hba_down_link - this routine downs the FC link
728 * @phba: pointer to lpfc hba data structure.
729 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
731 * This routine will issue the DOWN_LINK mailbox command call.
732 * It is available to other drivers through the lpfc_hba data
733 * structure for use to stop the link.
737 * Any other value - error
740 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
745 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
747 phba
->link_state
= LPFC_HBA_ERROR
;
751 lpfc_printf_log(phba
,
753 "0491 Adapter Link is disabled.\n");
754 lpfc_down_link(phba
, pmb
);
755 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
756 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
757 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
758 lpfc_printf_log(phba
,
760 "2522 Adapter failed to issue DOWN_LINK"
761 " mbox command rc 0x%x\n", rc
);
763 mempool_free(pmb
, phba
->mbox_mem_pool
);
766 if (flag
== MBX_POLL
)
767 mempool_free(pmb
, phba
->mbox_mem_pool
);
773 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
774 * @phba: pointer to lpfc HBA data structure.
776 * This routine will do LPFC uninitialization before the HBA is reset when
777 * bringing down the SLI Layer.
781 * Any other value - error.
784 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
786 struct lpfc_vport
**vports
;
789 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
790 /* Disable interrupts */
791 writel(0, phba
->HCregaddr
);
792 readl(phba
->HCregaddr
); /* flush */
795 if (phba
->pport
->load_flag
& FC_UNLOADING
)
796 lpfc_cleanup_discovery_resources(phba
->pport
);
798 vports
= lpfc_create_vport_work_array(phba
);
800 for (i
= 0; i
<= phba
->max_vports
&&
801 vports
[i
] != NULL
; i
++)
802 lpfc_cleanup_discovery_resources(vports
[i
]);
803 lpfc_destroy_vport_work_array(phba
, vports
);
809 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
810 * @phba: pointer to lpfc HBA data structure.
812 * This routine will do uninitialization after the HBA is reset when bring
813 * down the SLI Layer.
817 * Any other value - error.
820 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
822 struct lpfc_sli
*psli
= &phba
->sli
;
823 struct lpfc_sli_ring
*pring
;
824 struct lpfc_dmabuf
*mp
, *next_mp
;
825 LIST_HEAD(completions
);
828 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
829 lpfc_sli_hbqbuf_free_all(phba
);
831 /* Cleanup preposted buffers on the ELS ring */
832 pring
= &psli
->ring
[LPFC_ELS_RING
];
833 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
835 pring
->postbufq_cnt
--;
836 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
841 spin_lock_irq(&phba
->hbalock
);
842 for (i
= 0; i
< psli
->num_rings
; i
++) {
843 pring
= &psli
->ring
[i
];
845 /* At this point in time the HBA is either reset or DOA. Either
846 * way, nothing should be on txcmplq as it will NEVER complete.
848 list_splice_init(&pring
->txcmplq
, &completions
);
849 spin_unlock_irq(&phba
->hbalock
);
851 /* Cancel all the IOCBs from the completions list */
852 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
855 lpfc_sli_abort_iocb_ring(phba
, pring
);
856 spin_lock_irq(&phba
->hbalock
);
858 spin_unlock_irq(&phba
->hbalock
);
864 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
865 * @phba: pointer to lpfc HBA data structure.
867 * This routine will do uninitialization after the HBA is reset when bring
868 * down the SLI Layer.
872 * Any other value - error.
875 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
877 struct lpfc_scsi_buf
*psb
, *psb_next
;
880 unsigned long iflag
= 0;
881 struct lpfc_sglq
*sglq_entry
= NULL
;
883 ret
= lpfc_hba_down_post_s3(phba
);
886 /* At this point in time the HBA is either reset or DOA. Either
887 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
888 * on the lpfc_sgl_list so that it can either be freed if the
889 * driver is unloading or reposted if the driver is restarting
892 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
894 /* abts_sgl_list_lock required because worker thread uses this
897 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
898 list_for_each_entry(sglq_entry
,
899 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
900 sglq_entry
->state
= SGL_FREED
;
902 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
903 &phba
->sli4_hba
.lpfc_sgl_list
);
904 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
905 /* abts_scsi_buf_list_lock required because worker thread uses this
908 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
909 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
911 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
912 spin_unlock_irq(&phba
->hbalock
);
914 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
916 psb
->status
= IOSTAT_SUCCESS
;
918 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
919 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
920 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
925 * lpfc_hba_down_post - Wrapper func for hba down post routine
926 * @phba: pointer to lpfc HBA data structure.
928 * This routine wraps the actual SLI3 or SLI4 routine for performing
929 * uninitialization after the HBA is reset when bring down the SLI Layer.
933 * Any other value - error.
936 lpfc_hba_down_post(struct lpfc_hba
*phba
)
938 return (*phba
->lpfc_hba_down_post
)(phba
);
942 * lpfc_hb_timeout - The HBA-timer timeout handler
943 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
945 * This is the HBA-timer timeout handler registered to the lpfc driver. When
946 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
947 * work-port-events bitmap and the worker thread is notified. This timeout
948 * event will be used by the worker thread to invoke the actual timeout
949 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
950 * be performed in the timeout handler and the HBA timeout event bit shall
951 * be cleared by the worker thread after it has taken the event bitmap out.
954 lpfc_hb_timeout(unsigned long ptr
)
956 struct lpfc_hba
*phba
;
960 phba
= (struct lpfc_hba
*)ptr
;
962 /* Check for heart beat timeout conditions */
963 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
964 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
966 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
967 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
969 /* Tell the worker thread there is work to do */
971 lpfc_worker_wake_up(phba
);
976 * lpfc_rrq_timeout - The RRQ-timer timeout handler
977 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
979 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
980 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
981 * work-port-events bitmap and the worker thread is notified. This timeout
982 * event will be used by the worker thread to invoke the actual timeout
983 * handler routine, lpfc_rrq_handler. Any periodical operations will
984 * be performed in the timeout handler and the RRQ timeout event bit shall
985 * be cleared by the worker thread after it has taken the event bitmap out.
988 lpfc_rrq_timeout(unsigned long ptr
)
990 struct lpfc_hba
*phba
;
993 phba
= (struct lpfc_hba
*)ptr
;
994 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
995 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
996 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
997 lpfc_worker_wake_up(phba
);
1001 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1002 * @phba: pointer to lpfc hba data structure.
1003 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1005 * This is the callback function to the lpfc heart-beat mailbox command.
1006 * If configured, the lpfc driver issues the heart-beat mailbox command to
1007 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1008 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1009 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1010 * heart-beat outstanding state. Once the mailbox command comes back and
1011 * no error conditions detected, the heart-beat mailbox command timer is
1012 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1013 * state is cleared for the next heart-beat. If the timer expired with the
1014 * heart-beat outstanding state set, the driver will put the HBA offline.
1017 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1019 unsigned long drvr_flag
;
1021 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1022 phba
->hb_outstanding
= 0;
1023 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1025 /* Check and reset heart-beat timer is necessary */
1026 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1027 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1028 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1029 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1030 mod_timer(&phba
->hb_tmofunc
,
1032 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1037 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1038 * @phba: pointer to lpfc hba data structure.
1040 * This is the actual HBA-timer timeout handler to be invoked by the worker
1041 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1042 * handler performs any periodic operations needed for the device. If such
1043 * periodic event has already been attended to either in the interrupt handler
1044 * or by processing slow-ring or fast-ring events within the HBA-timer
1045 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1046 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1047 * is configured and there is no heart-beat mailbox command outstanding, a
1048 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1049 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1053 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1055 struct lpfc_vport
**vports
;
1056 LPFC_MBOXQ_t
*pmboxq
;
1057 struct lpfc_dmabuf
*buf_ptr
;
1059 struct lpfc_sli
*psli
= &phba
->sli
;
1060 LIST_HEAD(completions
);
1062 vports
= lpfc_create_vport_work_array(phba
);
1064 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1065 lpfc_rcv_seq_check_edtov(vports
[i
]);
1066 lpfc_destroy_vport_work_array(phba
, vports
);
1068 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1069 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1070 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1073 spin_lock_irq(&phba
->pport
->work_port_lock
);
1075 if (time_after(phba
->last_completion_time
+
1076 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1078 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1079 if (!phba
->hb_outstanding
)
1080 mod_timer(&phba
->hb_tmofunc
,
1082 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1084 mod_timer(&phba
->hb_tmofunc
,
1086 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1089 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1091 if (phba
->elsbuf_cnt
&&
1092 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1093 spin_lock_irq(&phba
->hbalock
);
1094 list_splice_init(&phba
->elsbuf
, &completions
);
1095 phba
->elsbuf_cnt
= 0;
1096 phba
->elsbuf_prev_cnt
= 0;
1097 spin_unlock_irq(&phba
->hbalock
);
1099 while (!list_empty(&completions
)) {
1100 list_remove_head(&completions
, buf_ptr
,
1101 struct lpfc_dmabuf
, list
);
1102 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1106 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1108 /* If there is no heart beat outstanding, issue a heartbeat command */
1109 if (phba
->cfg_enable_hba_heartbeat
) {
1110 if (!phba
->hb_outstanding
) {
1111 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1112 (list_empty(&psli
->mboxq
))) {
1113 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1116 mod_timer(&phba
->hb_tmofunc
,
1118 msecs_to_jiffies(1000 *
1119 LPFC_HB_MBOX_INTERVAL
));
1123 lpfc_heart_beat(phba
, pmboxq
);
1124 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1125 pmboxq
->vport
= phba
->pport
;
1126 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1129 if (retval
!= MBX_BUSY
&&
1130 retval
!= MBX_SUCCESS
) {
1131 mempool_free(pmboxq
,
1132 phba
->mbox_mem_pool
);
1133 mod_timer(&phba
->hb_tmofunc
,
1135 msecs_to_jiffies(1000 *
1136 LPFC_HB_MBOX_INTERVAL
));
1139 phba
->skipped_hb
= 0;
1140 phba
->hb_outstanding
= 1;
1141 } else if (time_before_eq(phba
->last_completion_time
,
1142 phba
->skipped_hb
)) {
1143 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1144 "2857 Last completion time not "
1145 " updated in %d ms\n",
1146 jiffies_to_msecs(jiffies
1147 - phba
->last_completion_time
));
1149 phba
->skipped_hb
= jiffies
;
1151 mod_timer(&phba
->hb_tmofunc
,
1153 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1157 * If heart beat timeout called with hb_outstanding set
1158 * we need to give the hb mailbox cmd a chance to
1161 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1162 "0459 Adapter heartbeat still out"
1163 "standing:last compl time was %d ms.\n",
1164 jiffies_to_msecs(jiffies
1165 - phba
->last_completion_time
));
1166 mod_timer(&phba
->hb_tmofunc
,
1168 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1174 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1175 * @phba: pointer to lpfc hba data structure.
1177 * This routine is called to bring the HBA offline when HBA hardware error
1178 * other than Port Error 6 has been detected.
1181 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1183 struct lpfc_sli
*psli
= &phba
->sli
;
1185 spin_lock_irq(&phba
->hbalock
);
1186 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1187 spin_unlock_irq(&phba
->hbalock
);
1188 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1191 lpfc_reset_barrier(phba
);
1192 spin_lock_irq(&phba
->hbalock
);
1193 lpfc_sli_brdreset(phba
);
1194 spin_unlock_irq(&phba
->hbalock
);
1195 lpfc_hba_down_post(phba
);
1196 lpfc_sli_brdready(phba
, HS_MBRDY
);
1197 lpfc_unblock_mgmt_io(phba
);
1198 phba
->link_state
= LPFC_HBA_ERROR
;
1203 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1204 * @phba: pointer to lpfc hba data structure.
1206 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1207 * other than Port Error 6 has been detected.
1210 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1212 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1214 lpfc_sli4_brdreset(phba
);
1215 lpfc_hba_down_post(phba
);
1216 lpfc_sli4_post_status_check(phba
);
1217 lpfc_unblock_mgmt_io(phba
);
1218 phba
->link_state
= LPFC_HBA_ERROR
;
1222 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1223 * @phba: pointer to lpfc hba data structure.
1225 * This routine is invoked to handle the deferred HBA hardware error
1226 * conditions. This type of error is indicated by HBA by setting ER1
1227 * and another ER bit in the host status register. The driver will
1228 * wait until the ER1 bit clears before handling the error condition.
1231 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1233 uint32_t old_host_status
= phba
->work_hs
;
1234 struct lpfc_sli_ring
*pring
;
1235 struct lpfc_sli
*psli
= &phba
->sli
;
1237 /* If the pci channel is offline, ignore possible errors,
1238 * since we cannot communicate with the pci card anyway.
1240 if (pci_channel_offline(phba
->pcidev
)) {
1241 spin_lock_irq(&phba
->hbalock
);
1242 phba
->hba_flag
&= ~DEFER_ERATT
;
1243 spin_unlock_irq(&phba
->hbalock
);
1247 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1248 "0479 Deferred Adapter Hardware Error "
1249 "Data: x%x x%x x%x\n",
1251 phba
->work_status
[0], phba
->work_status
[1]);
1253 spin_lock_irq(&phba
->hbalock
);
1254 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1255 spin_unlock_irq(&phba
->hbalock
);
1259 * Firmware stops when it triggred erratt. That could cause the I/Os
1260 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1261 * SCSI layer retry it after re-establishing link.
1263 pring
= &psli
->ring
[psli
->fcp_ring
];
1264 lpfc_sli_abort_iocb_ring(phba
, pring
);
1267 * There was a firmware error. Take the hba offline and then
1268 * attempt to restart it.
1270 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1273 /* Wait for the ER1 bit to clear.*/
1274 while (phba
->work_hs
& HS_FFER1
) {
1276 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1277 phba
->work_hs
= UNPLUG_ERR
;
1280 /* If driver is unloading let the worker thread continue */
1281 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1288 * This is to ptrotect against a race condition in which
1289 * first write to the host attention register clear the
1290 * host status register.
1292 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1293 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1295 spin_lock_irq(&phba
->hbalock
);
1296 phba
->hba_flag
&= ~DEFER_ERATT
;
1297 spin_unlock_irq(&phba
->hbalock
);
1298 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1299 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1303 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1305 struct lpfc_board_event_header board_event
;
1306 struct Scsi_Host
*shost
;
1308 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1309 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1310 shost
= lpfc_shost_from_vport(phba
->pport
);
1311 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1312 sizeof(board_event
),
1313 (char *) &board_event
,
1318 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1319 * @phba: pointer to lpfc hba data structure.
1321 * This routine is invoked to handle the following HBA hardware error
1323 * 1 - HBA error attention interrupt
1324 * 2 - DMA ring index out of range
1325 * 3 - Mailbox command came back as unknown
1328 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1330 struct lpfc_vport
*vport
= phba
->pport
;
1331 struct lpfc_sli
*psli
= &phba
->sli
;
1332 struct lpfc_sli_ring
*pring
;
1333 uint32_t event_data
;
1334 unsigned long temperature
;
1335 struct temp_event temp_event_data
;
1336 struct Scsi_Host
*shost
;
1338 /* If the pci channel is offline, ignore possible errors,
1339 * since we cannot communicate with the pci card anyway.
1341 if (pci_channel_offline(phba
->pcidev
)) {
1342 spin_lock_irq(&phba
->hbalock
);
1343 phba
->hba_flag
&= ~DEFER_ERATT
;
1344 spin_unlock_irq(&phba
->hbalock
);
1348 /* If resets are disabled then leave the HBA alone and return */
1349 if (!phba
->cfg_enable_hba_reset
)
1352 /* Send an internal error event to mgmt application */
1353 lpfc_board_errevt_to_mgmt(phba
);
1355 if (phba
->hba_flag
& DEFER_ERATT
)
1356 lpfc_handle_deferred_eratt(phba
);
1358 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1359 if (phba
->work_hs
& HS_FFER6
)
1360 /* Re-establishing Link */
1361 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1362 "1301 Re-establishing Link "
1363 "Data: x%x x%x x%x\n",
1364 phba
->work_hs
, phba
->work_status
[0],
1365 phba
->work_status
[1]);
1366 if (phba
->work_hs
& HS_FFER8
)
1367 /* Device Zeroization */
1368 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1369 "2861 Host Authentication device "
1370 "zeroization Data:x%x x%x x%x\n",
1371 phba
->work_hs
, phba
->work_status
[0],
1372 phba
->work_status
[1]);
1374 spin_lock_irq(&phba
->hbalock
);
1375 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1376 spin_unlock_irq(&phba
->hbalock
);
1379 * Firmware stops when it triggled erratt with HS_FFER6.
1380 * That could cause the I/Os dropped by the firmware.
1381 * Error iocb (I/O) on txcmplq and let the SCSI layer
1382 * retry it after re-establishing link.
1384 pring
= &psli
->ring
[psli
->fcp_ring
];
1385 lpfc_sli_abort_iocb_ring(phba
, pring
);
1388 * There was a firmware error. Take the hba offline and then
1389 * attempt to restart it.
1391 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1393 lpfc_sli_brdrestart(phba
);
1394 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1395 lpfc_unblock_mgmt_io(phba
);
1398 lpfc_unblock_mgmt_io(phba
);
1399 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1400 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1401 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1402 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1403 temp_event_data
.data
= (uint32_t)temperature
;
1405 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1406 "0406 Adapter maximum temperature exceeded "
1407 "(%ld), taking this port offline "
1408 "Data: x%x x%x x%x\n",
1409 temperature
, phba
->work_hs
,
1410 phba
->work_status
[0], phba
->work_status
[1]);
1412 shost
= lpfc_shost_from_vport(phba
->pport
);
1413 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1414 sizeof(temp_event_data
),
1415 (char *) &temp_event_data
,
1416 SCSI_NL_VID_TYPE_PCI
1417 | PCI_VENDOR_ID_EMULEX
);
1419 spin_lock_irq(&phba
->hbalock
);
1420 phba
->over_temp_state
= HBA_OVER_TEMP
;
1421 spin_unlock_irq(&phba
->hbalock
);
1422 lpfc_offline_eratt(phba
);
1425 /* The if clause above forces this code path when the status
1426 * failure is a value other than FFER6. Do not call the offline
1427 * twice. This is the adapter hardware error path.
1429 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1430 "0457 Adapter Hardware Error "
1431 "Data: x%x x%x x%x\n",
1433 phba
->work_status
[0], phba
->work_status
[1]);
1435 event_data
= FC_REG_DUMP_EVENT
;
1436 shost
= lpfc_shost_from_vport(vport
);
1437 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1438 sizeof(event_data
), (char *) &event_data
,
1439 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1441 lpfc_offline_eratt(phba
);
1447 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1448 * @phba: pointer to lpfc hba data structure.
1449 * @mbx_action: flag for mailbox shutdown action.
1451 * This routine is invoked to perform an SLI4 port PCI function reset in
1452 * response to port status register polling attention. It waits for port
1453 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1454 * During this process, interrupt vectors are freed and later requested
1455 * for handling possible port resource change.
1458 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
)
1464 * On error status condition, driver need to wait for port
1465 * ready before performing reset.
1467 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1469 /* need reset: attempt for port recovery */
1470 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1471 "2887 Reset Needed: Attempting Port "
1473 lpfc_offline_prep(phba
, mbx_action
);
1475 /* release interrupt for possible resource change */
1476 lpfc_sli4_disable_intr(phba
);
1477 lpfc_sli_brdrestart(phba
);
1478 /* request and enable interrupt */
1479 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1480 if (intr_mode
== LPFC_INTR_ERROR
) {
1481 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1482 "3175 Failed to enable interrupt\n");
1485 phba
->intr_mode
= intr_mode
;
1487 rc
= lpfc_online(phba
);
1489 lpfc_unblock_mgmt_io(phba
);
1495 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1496 * @phba: pointer to lpfc hba data structure.
1498 * This routine is invoked to handle the SLI4 HBA hardware error attention
1502 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1504 struct lpfc_vport
*vport
= phba
->pport
;
1505 uint32_t event_data
;
1506 struct Scsi_Host
*shost
;
1508 struct lpfc_register portstat_reg
= {0};
1509 uint32_t reg_err1
, reg_err2
;
1510 uint32_t uerrlo_reg
, uemasklo_reg
;
1511 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1514 /* If the pci channel is offline, ignore possible errors, since
1515 * we cannot communicate with the pci card anyway.
1517 if (pci_channel_offline(phba
->pcidev
))
1519 /* If resets are disabled then leave the HBA alone and return */
1520 if (!phba
->cfg_enable_hba_reset
)
1523 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1525 case LPFC_SLI_INTF_IF_TYPE_0
:
1526 pci_rd_rc1
= lpfc_readl(
1527 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1529 pci_rd_rc2
= lpfc_readl(
1530 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1532 /* consider PCI bus read error as pci_channel_offline */
1533 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1535 lpfc_sli4_offline_eratt(phba
);
1537 case LPFC_SLI_INTF_IF_TYPE_2
:
1538 pci_rd_rc1
= lpfc_readl(
1539 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1540 &portstat_reg
.word0
);
1541 /* consider PCI bus read error as pci_channel_offline */
1542 if (pci_rd_rc1
== -EIO
) {
1543 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1544 "3151 PCI bus read access failure: x%x\n",
1545 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1548 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1549 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1550 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1551 /* TODO: Register for Overtemp async events. */
1552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1553 "2889 Port Overtemperature event, "
1554 "taking port offline\n");
1555 spin_lock_irq(&phba
->hbalock
);
1556 phba
->over_temp_state
= HBA_OVER_TEMP
;
1557 spin_unlock_irq(&phba
->hbalock
);
1558 lpfc_sli4_offline_eratt(phba
);
1561 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1562 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1563 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1564 "3143 Port Down: Firmware Restarted\n");
1565 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1566 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1568 "3144 Port Down: Debug Dump\n");
1569 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1570 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1572 "3145 Port Down: Provisioning\n");
1574 /* Check port status register for function reset */
1575 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
);
1577 /* don't report event on forced debug dump */
1578 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1579 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1584 /* fall through for not able to recover */
1585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1586 "3152 Unrecoverable error, bring the port "
1588 lpfc_sli4_offline_eratt(phba
);
1590 case LPFC_SLI_INTF_IF_TYPE_1
:
1594 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1595 "3123 Report dump event to upper layer\n");
1596 /* Send an internal error event to mgmt application */
1597 lpfc_board_errevt_to_mgmt(phba
);
1599 event_data
= FC_REG_DUMP_EVENT
;
1600 shost
= lpfc_shost_from_vport(vport
);
1601 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1602 sizeof(event_data
), (char *) &event_data
,
1603 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1607 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1608 * @phba: pointer to lpfc HBA data structure.
1610 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1611 * routine from the API jump table function pointer from the lpfc_hba struct.
1615 * Any other value - error.
1618 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1620 (*phba
->lpfc_handle_eratt
)(phba
);
1624 * lpfc_handle_latt - The HBA link event handler
1625 * @phba: pointer to lpfc hba data structure.
1627 * This routine is invoked from the worker thread to handle a HBA host
1628 * attention link event.
1631 lpfc_handle_latt(struct lpfc_hba
*phba
)
1633 struct lpfc_vport
*vport
= phba
->pport
;
1634 struct lpfc_sli
*psli
= &phba
->sli
;
1636 volatile uint32_t control
;
1637 struct lpfc_dmabuf
*mp
;
1640 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1643 goto lpfc_handle_latt_err_exit
;
1646 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1649 goto lpfc_handle_latt_free_pmb
;
1652 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1655 goto lpfc_handle_latt_free_mp
;
1658 /* Cleanup any outstanding ELS commands */
1659 lpfc_els_flush_all_cmd(phba
);
1661 psli
->slistat
.link_event
++;
1662 lpfc_read_topology(phba
, pmb
, mp
);
1663 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1665 /* Block ELS IOCBs until we have processed this mbox command */
1666 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1667 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1668 if (rc
== MBX_NOT_FINISHED
) {
1670 goto lpfc_handle_latt_free_mbuf
;
1673 /* Clear Link Attention in HA REG */
1674 spin_lock_irq(&phba
->hbalock
);
1675 writel(HA_LATT
, phba
->HAregaddr
);
1676 readl(phba
->HAregaddr
); /* flush */
1677 spin_unlock_irq(&phba
->hbalock
);
1681 lpfc_handle_latt_free_mbuf
:
1682 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1683 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1684 lpfc_handle_latt_free_mp
:
1686 lpfc_handle_latt_free_pmb
:
1687 mempool_free(pmb
, phba
->mbox_mem_pool
);
1688 lpfc_handle_latt_err_exit
:
1689 /* Enable Link attention interrupts */
1690 spin_lock_irq(&phba
->hbalock
);
1691 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1692 control
= readl(phba
->HCregaddr
);
1693 control
|= HC_LAINT_ENA
;
1694 writel(control
, phba
->HCregaddr
);
1695 readl(phba
->HCregaddr
); /* flush */
1697 /* Clear Link Attention in HA REG */
1698 writel(HA_LATT
, phba
->HAregaddr
);
1699 readl(phba
->HAregaddr
); /* flush */
1700 spin_unlock_irq(&phba
->hbalock
);
1701 lpfc_linkdown(phba
);
1702 phba
->link_state
= LPFC_HBA_ERROR
;
1704 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1705 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1711 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1712 * @phba: pointer to lpfc hba data structure.
1713 * @vpd: pointer to the vital product data.
1714 * @len: length of the vital product data in bytes.
1716 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1717 * an array of characters. In this routine, the ModelName, ProgramType, and
1718 * ModelDesc, etc. fields of the phba data structure will be populated.
1721 * 0 - pointer to the VPD passed in is NULL
1725 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1727 uint8_t lenlo
, lenhi
;
1737 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1738 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1739 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1741 while (!finished
&& (index
< (len
- 4))) {
1742 switch (vpd
[index
]) {
1750 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1759 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1760 if (Length
> len
- index
)
1761 Length
= len
- index
;
1762 while (Length
> 0) {
1763 /* Look for Serial Number */
1764 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1771 phba
->SerialNumber
[j
++] = vpd
[index
++];
1775 phba
->SerialNumber
[j
] = 0;
1778 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1779 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1786 phba
->ModelDesc
[j
++] = vpd
[index
++];
1790 phba
->ModelDesc
[j
] = 0;
1793 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1794 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1801 phba
->ModelName
[j
++] = vpd
[index
++];
1805 phba
->ModelName
[j
] = 0;
1808 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1809 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1816 phba
->ProgramType
[j
++] = vpd
[index
++];
1820 phba
->ProgramType
[j
] = 0;
1823 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1824 phba
->vpd_flag
|= VPD_PORT
;
1831 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1832 (phba
->sli4_hba
.pport_name_sta
==
1833 LPFC_SLI4_PPNAME_GET
)) {
1837 phba
->Port
[j
++] = vpd
[index
++];
1841 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1842 (phba
->sli4_hba
.pport_name_sta
==
1843 LPFC_SLI4_PPNAME_NON
))
1870 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1871 * @phba: pointer to lpfc hba data structure.
1872 * @mdp: pointer to the data structure to hold the derived model name.
1873 * @descp: pointer to the data structure to hold the derived description.
1875 * This routine retrieves HBA's description based on its registered PCI device
1876 * ID. The @descp passed into this function points to an array of 256 chars. It
1877 * shall be returned with the model name, maximum speed, and the host bus type.
1878 * The @mdp passed into this function points to an array of 80 chars. When the
1879 * function returns, the @mdp will be filled with the model name.
1882 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1885 uint16_t dev_id
= phba
->pcidev
->device
;
1888 int oneConnect
= 0; /* default is not a oneConnect */
1893 } m
= {"<Unknown>", "", ""};
1895 if (mdp
&& mdp
[0] != '\0'
1896 && descp
&& descp
[0] != '\0')
1899 if (phba
->lmt
& LMT_16Gb
)
1901 else if (phba
->lmt
& LMT_10Gb
)
1903 else if (phba
->lmt
& LMT_8Gb
)
1905 else if (phba
->lmt
& LMT_4Gb
)
1907 else if (phba
->lmt
& LMT_2Gb
)
1909 else if (phba
->lmt
& LMT_1Gb
)
1917 case PCI_DEVICE_ID_FIREFLY
:
1918 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1920 case PCI_DEVICE_ID_SUPERFLY
:
1921 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1922 m
= (typeof(m
)){"LP7000", "PCI",
1923 "Fibre Channel Adapter"};
1925 m
= (typeof(m
)){"LP7000E", "PCI",
1926 "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_DRAGONFLY
:
1929 m
= (typeof(m
)){"LP8000", "PCI",
1930 "Fibre Channel Adapter"};
1932 case PCI_DEVICE_ID_CENTAUR
:
1933 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1934 m
= (typeof(m
)){"LP9002", "PCI",
1935 "Fibre Channel Adapter"};
1937 m
= (typeof(m
)){"LP9000", "PCI",
1938 "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_RFLY
:
1941 m
= (typeof(m
)){"LP952", "PCI",
1942 "Fibre Channel Adapter"};
1944 case PCI_DEVICE_ID_PEGASUS
:
1945 m
= (typeof(m
)){"LP9802", "PCI-X",
1946 "Fibre Channel Adapter"};
1948 case PCI_DEVICE_ID_THOR
:
1949 m
= (typeof(m
)){"LP10000", "PCI-X",
1950 "Fibre Channel Adapter"};
1952 case PCI_DEVICE_ID_VIPER
:
1953 m
= (typeof(m
)){"LPX1000", "PCI-X",
1954 "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_PFLY
:
1957 m
= (typeof(m
)){"LP982", "PCI-X",
1958 "Fibre Channel Adapter"};
1960 case PCI_DEVICE_ID_TFLY
:
1961 m
= (typeof(m
)){"LP1050", "PCI-X",
1962 "Fibre Channel Adapter"};
1964 case PCI_DEVICE_ID_HELIOS
:
1965 m
= (typeof(m
)){"LP11000", "PCI-X2",
1966 "Fibre Channel Adapter"};
1968 case PCI_DEVICE_ID_HELIOS_SCSP
:
1969 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1970 "Fibre Channel Adapter"};
1972 case PCI_DEVICE_ID_HELIOS_DCSP
:
1973 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1974 "Fibre Channel Adapter"};
1976 case PCI_DEVICE_ID_NEPTUNE
:
1977 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1979 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1980 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1982 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1983 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1985 case PCI_DEVICE_ID_BMID
:
1986 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1988 case PCI_DEVICE_ID_BSMB
:
1989 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1991 case PCI_DEVICE_ID_ZEPHYR
:
1992 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1994 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1995 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1997 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1998 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2001 case PCI_DEVICE_ID_ZMID
:
2002 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2004 case PCI_DEVICE_ID_ZSMB
:
2005 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2007 case PCI_DEVICE_ID_LP101
:
2008 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
2010 case PCI_DEVICE_ID_LP10000S
:
2011 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
2013 case PCI_DEVICE_ID_LP11000S
:
2014 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
2016 case PCI_DEVICE_ID_LPE11000S
:
2017 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
2019 case PCI_DEVICE_ID_SAT
:
2020 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2022 case PCI_DEVICE_ID_SAT_MID
:
2023 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2025 case PCI_DEVICE_ID_SAT_SMB
:
2026 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2028 case PCI_DEVICE_ID_SAT_DCSP
:
2029 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2031 case PCI_DEVICE_ID_SAT_SCSP
:
2032 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2034 case PCI_DEVICE_ID_SAT_S
:
2035 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2037 case PCI_DEVICE_ID_HORNET
:
2038 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
2041 case PCI_DEVICE_ID_PROTEUS_VF
:
2042 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2043 "Fibre Channel Adapter"};
2045 case PCI_DEVICE_ID_PROTEUS_PF
:
2046 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2047 "Fibre Channel Adapter"};
2049 case PCI_DEVICE_ID_PROTEUS_S
:
2050 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2051 "Fibre Channel Adapter"};
2053 case PCI_DEVICE_ID_TIGERSHARK
:
2055 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2057 case PCI_DEVICE_ID_TOMCAT
:
2059 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2061 case PCI_DEVICE_ID_FALCON
:
2062 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2063 "EmulexSecure Fibre"};
2065 case PCI_DEVICE_ID_BALIUS
:
2066 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2067 "Fibre Channel Adapter"};
2069 case PCI_DEVICE_ID_LANCER_FC
:
2070 case PCI_DEVICE_ID_LANCER_FC_VF
:
2071 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2073 case PCI_DEVICE_ID_LANCER_FCOE
:
2074 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2076 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2078 case PCI_DEVICE_ID_SKYHAWK
:
2079 case PCI_DEVICE_ID_SKYHAWK_VF
:
2081 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2084 m
= (typeof(m
)){"Unknown", "", ""};
2088 if (mdp
&& mdp
[0] == '\0')
2089 snprintf(mdp
, 79,"%s", m
.name
);
2091 * oneConnect hba requires special processing, they are all initiators
2092 * and we put the port number on the end
2094 if (descp
&& descp
[0] == '\0') {
2096 snprintf(descp
, 255,
2097 "Emulex OneConnect %s, %s Initiator %s",
2100 else if (max_speed
== 0)
2101 snprintf(descp
, 255,
2103 m
.name
, m
.bus
, m
.function
);
2105 snprintf(descp
, 255,
2106 "Emulex %s %d%s %s %s",
2107 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2113 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2114 * @phba: pointer to lpfc hba data structure.
2115 * @pring: pointer to a IOCB ring.
2116 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2118 * This routine posts a given number of IOCBs with the associated DMA buffer
2119 * descriptors specified by the cnt argument to the given IOCB ring.
2122 * The number of IOCBs NOT able to be posted to the IOCB ring.
2125 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2128 struct lpfc_iocbq
*iocb
;
2129 struct lpfc_dmabuf
*mp1
, *mp2
;
2131 cnt
+= pring
->missbufcnt
;
2133 /* While there are buffers to post */
2135 /* Allocate buffer for command iocb */
2136 iocb
= lpfc_sli_get_iocbq(phba
);
2138 pring
->missbufcnt
= cnt
;
2143 /* 2 buffers can be posted per command */
2144 /* Allocate buffer to post */
2145 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2147 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2148 if (!mp1
|| !mp1
->virt
) {
2150 lpfc_sli_release_iocbq(phba
, iocb
);
2151 pring
->missbufcnt
= cnt
;
2155 INIT_LIST_HEAD(&mp1
->list
);
2156 /* Allocate buffer to post */
2158 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2160 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2162 if (!mp2
|| !mp2
->virt
) {
2164 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2166 lpfc_sli_release_iocbq(phba
, iocb
);
2167 pring
->missbufcnt
= cnt
;
2171 INIT_LIST_HEAD(&mp2
->list
);
2176 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2177 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2178 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2179 icmd
->ulpBdeCount
= 1;
2182 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2183 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2184 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2186 icmd
->ulpBdeCount
= 2;
2189 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2192 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2194 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2198 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2202 lpfc_sli_release_iocbq(phba
, iocb
);
2203 pring
->missbufcnt
= cnt
;
2206 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2208 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2210 pring
->missbufcnt
= 0;
2215 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2216 * @phba: pointer to lpfc hba data structure.
2218 * This routine posts initial receive IOCB buffers to the ELS ring. The
2219 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2223 * 0 - success (currently always success)
2226 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2228 struct lpfc_sli
*psli
= &phba
->sli
;
2230 /* Ring 0, ELS / CT buffers */
2231 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2232 /* Ring 2 - FCP no buffers needed */
2237 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2240 * lpfc_sha_init - Set up initial array of hash table entries
2241 * @HashResultPointer: pointer to an array as hash table.
2243 * This routine sets up the initial values to the array of hash table entries
2247 lpfc_sha_init(uint32_t * HashResultPointer
)
2249 HashResultPointer
[0] = 0x67452301;
2250 HashResultPointer
[1] = 0xEFCDAB89;
2251 HashResultPointer
[2] = 0x98BADCFE;
2252 HashResultPointer
[3] = 0x10325476;
2253 HashResultPointer
[4] = 0xC3D2E1F0;
2257 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2258 * @HashResultPointer: pointer to an initial/result hash table.
2259 * @HashWorkingPointer: pointer to an working hash table.
2261 * This routine iterates an initial hash table pointed by @HashResultPointer
2262 * with the values from the working hash table pointeed by @HashWorkingPointer.
2263 * The results are putting back to the initial hash table, returned through
2264 * the @HashResultPointer as the result hash table.
2267 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2271 uint32_t A
, B
, C
, D
, E
;
2274 HashWorkingPointer
[t
] =
2276 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2278 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2279 } while (++t
<= 79);
2281 A
= HashResultPointer
[0];
2282 B
= HashResultPointer
[1];
2283 C
= HashResultPointer
[2];
2284 D
= HashResultPointer
[3];
2285 E
= HashResultPointer
[4];
2289 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2290 } else if (t
< 40) {
2291 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2292 } else if (t
< 60) {
2293 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2295 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2297 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2303 } while (++t
<= 79);
2305 HashResultPointer
[0] += A
;
2306 HashResultPointer
[1] += B
;
2307 HashResultPointer
[2] += C
;
2308 HashResultPointer
[3] += D
;
2309 HashResultPointer
[4] += E
;
2314 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2315 * @RandomChallenge: pointer to the entry of host challenge random number array.
2316 * @HashWorking: pointer to the entry of the working hash array.
2318 * This routine calculates the working hash array referred by @HashWorking
2319 * from the challenge random numbers associated with the host, referred by
2320 * @RandomChallenge. The result is put into the entry of the working hash
2321 * array and returned by reference through @HashWorking.
2324 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2326 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2330 * lpfc_hba_init - Perform special handling for LC HBA initialization
2331 * @phba: pointer to lpfc hba data structure.
2332 * @hbainit: pointer to an array of unsigned 32-bit integers.
2334 * This routine performs the special handling for LC HBA initialization.
2337 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2340 uint32_t *HashWorking
;
2341 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2343 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2347 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2348 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2350 for (t
= 0; t
< 7; t
++)
2351 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2353 lpfc_sha_init(hbainit
);
2354 lpfc_sha_iterate(hbainit
, HashWorking
);
2359 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2360 * @vport: pointer to a virtual N_Port data structure.
2362 * This routine performs the necessary cleanups before deleting the @vport.
2363 * It invokes the discovery state machine to perform necessary state
2364 * transitions and to release the ndlps associated with the @vport. Note,
2365 * the physical port is treated as @vport 0.
2368 lpfc_cleanup(struct lpfc_vport
*vport
)
2370 struct lpfc_hba
*phba
= vport
->phba
;
2371 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2374 if (phba
->link_state
> LPFC_LINK_DOWN
)
2375 lpfc_port_link_failure(vport
);
2377 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2378 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2379 ndlp
= lpfc_enable_node(vport
, ndlp
,
2380 NLP_STE_UNUSED_NODE
);
2383 spin_lock_irq(&phba
->ndlp_lock
);
2384 NLP_SET_FREE_REQ(ndlp
);
2385 spin_unlock_irq(&phba
->ndlp_lock
);
2386 /* Trigger the release of the ndlp memory */
2390 spin_lock_irq(&phba
->ndlp_lock
);
2391 if (NLP_CHK_FREE_REQ(ndlp
)) {
2392 /* The ndlp should not be in memory free mode already */
2393 spin_unlock_irq(&phba
->ndlp_lock
);
2396 /* Indicate request for freeing ndlp memory */
2397 NLP_SET_FREE_REQ(ndlp
);
2398 spin_unlock_irq(&phba
->ndlp_lock
);
2400 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2401 ndlp
->nlp_DID
== Fabric_DID
) {
2402 /* Just free up ndlp with Fabric_DID for vports */
2407 /* take care of nodes in unused state before the state
2408 * machine taking action.
2410 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2415 if (ndlp
->nlp_type
& NLP_FABRIC
)
2416 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2417 NLP_EVT_DEVICE_RECOVERY
);
2419 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2423 /* At this point, ALL ndlp's should be gone
2424 * because of the previous NLP_EVT_DEVICE_RM.
2425 * Lets wait for this to happen, if needed.
2427 while (!list_empty(&vport
->fc_nodes
)) {
2429 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2430 "0233 Nodelist not empty\n");
2431 list_for_each_entry_safe(ndlp
, next_ndlp
,
2432 &vport
->fc_nodes
, nlp_listp
) {
2433 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2435 "0282 did:x%x ndlp:x%p "
2436 "usgmap:x%x refcnt:%d\n",
2437 ndlp
->nlp_DID
, (void *)ndlp
,
2440 &ndlp
->kref
.refcount
));
2445 /* Wait for any activity on ndlps to settle */
2448 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2452 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2453 * @vport: pointer to a virtual N_Port data structure.
2455 * This routine stops all the timers associated with a @vport. This function
2456 * is invoked before disabling or deleting a @vport. Note that the physical
2457 * port is treated as @vport 0.
2460 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2462 del_timer_sync(&vport
->els_tmofunc
);
2463 del_timer_sync(&vport
->fc_fdmitmo
);
2464 del_timer_sync(&vport
->delayed_disc_tmo
);
2465 lpfc_can_disctmo(vport
);
2470 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2471 * @phba: pointer to lpfc hba data structure.
2473 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2474 * caller of this routine should already hold the host lock.
2477 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2479 /* Clear pending FCF rediscovery wait flag */
2480 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2482 /* Now, try to stop the timer */
2483 del_timer(&phba
->fcf
.redisc_wait
);
2487 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2488 * @phba: pointer to lpfc hba data structure.
2490 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2491 * checks whether the FCF rediscovery wait timer is pending with the host
2492 * lock held before proceeding with disabling the timer and clearing the
2493 * wait timer pendig flag.
2496 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2498 spin_lock_irq(&phba
->hbalock
);
2499 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2500 /* FCF rediscovery timer already fired or stopped */
2501 spin_unlock_irq(&phba
->hbalock
);
2504 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2505 /* Clear failover in progress flags */
2506 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2507 spin_unlock_irq(&phba
->hbalock
);
2511 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2512 * @phba: pointer to lpfc hba data structure.
2514 * This routine stops all the timers associated with a HBA. This function is
2515 * invoked before either putting a HBA offline or unloading the driver.
2518 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2520 lpfc_stop_vport_timers(phba
->pport
);
2521 del_timer_sync(&phba
->sli
.mbox_tmo
);
2522 del_timer_sync(&phba
->fabric_block_timer
);
2523 del_timer_sync(&phba
->eratt_poll
);
2524 del_timer_sync(&phba
->hb_tmofunc
);
2525 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2526 del_timer_sync(&phba
->rrq_tmr
);
2527 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2529 phba
->hb_outstanding
= 0;
2531 switch (phba
->pci_dev_grp
) {
2532 case LPFC_PCI_DEV_LP
:
2533 /* Stop any LightPulse device specific driver timers */
2534 del_timer_sync(&phba
->fcp_poll_timer
);
2536 case LPFC_PCI_DEV_OC
:
2537 /* Stop any OneConnect device sepcific driver timers */
2538 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2541 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2542 "0297 Invalid device group (x%x)\n",
2550 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2551 * @phba: pointer to lpfc hba data structure.
2553 * This routine marks a HBA's management interface as blocked. Once the HBA's
2554 * management interface is marked as blocked, all the user space access to
2555 * the HBA, whether they are from sysfs interface or libdfc interface will
2556 * all be blocked. The HBA is set to block the management interface when the
2557 * driver prepares the HBA interface for online or offline.
2560 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2562 unsigned long iflag
;
2563 uint8_t actcmd
= MBX_HEARTBEAT
;
2564 unsigned long timeout
;
2566 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2567 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2568 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2569 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2571 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2572 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2573 if (phba
->sli
.mbox_active
) {
2574 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2575 /* Determine how long we might wait for the active mailbox
2576 * command to be gracefully completed by firmware.
2578 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2579 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2581 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2583 /* Wait for the outstnading mailbox command to complete */
2584 while (phba
->sli
.mbox_active
) {
2585 /* Check active mailbox complete status every 2ms */
2587 if (time_after(jiffies
, timeout
)) {
2588 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2589 "2813 Mgmt IO is Blocked %x "
2590 "- mbox cmd %x still active\n",
2591 phba
->sli
.sli_flag
, actcmd
);
2598 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2599 * @phba: pointer to lpfc hba data structure.
2601 * Allocate RPIs for all active remote nodes. This is needed whenever
2602 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2603 * is to fixup the temporary rpi assignments.
2606 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2608 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2609 struct lpfc_vport
**vports
;
2612 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2615 vports
= lpfc_create_vport_work_array(phba
);
2616 if (vports
!= NULL
) {
2617 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2618 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2621 list_for_each_entry_safe(ndlp
, next_ndlp
,
2622 &vports
[i
]->fc_nodes
,
2624 if (NLP_CHK_NODE_ACT(ndlp
))
2626 lpfc_sli4_alloc_rpi(phba
);
2630 lpfc_destroy_vport_work_array(phba
, vports
);
2634 * lpfc_online - Initialize and bring a HBA online
2635 * @phba: pointer to lpfc hba data structure.
2637 * This routine initializes the HBA and brings a HBA online. During this
2638 * process, the management interface is blocked to prevent user space access
2639 * to the HBA interfering with the driver initialization.
2646 lpfc_online(struct lpfc_hba
*phba
)
2648 struct lpfc_vport
*vport
;
2649 struct lpfc_vport
**vports
;
2651 bool vpis_cleared
= false;
2655 vport
= phba
->pport
;
2657 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2660 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2661 "0458 Bring Adapter online\n");
2663 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2665 if (!lpfc_sli_queue_setup(phba
)) {
2666 lpfc_unblock_mgmt_io(phba
);
2670 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2671 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2672 lpfc_unblock_mgmt_io(phba
);
2675 spin_lock_irq(&phba
->hbalock
);
2676 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2677 vpis_cleared
= true;
2678 spin_unlock_irq(&phba
->hbalock
);
2680 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2681 lpfc_unblock_mgmt_io(phba
);
2686 vports
= lpfc_create_vport_work_array(phba
);
2688 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2689 struct Scsi_Host
*shost
;
2690 shost
= lpfc_shost_from_vport(vports
[i
]);
2691 spin_lock_irq(shost
->host_lock
);
2692 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2693 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2694 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2695 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2696 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2697 if ((vpis_cleared
) &&
2698 (vports
[i
]->port_type
!=
2699 LPFC_PHYSICAL_PORT
))
2702 spin_unlock_irq(shost
->host_lock
);
2704 lpfc_destroy_vport_work_array(phba
, vports
);
2706 lpfc_unblock_mgmt_io(phba
);
2711 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2712 * @phba: pointer to lpfc hba data structure.
2714 * This routine marks a HBA's management interface as not blocked. Once the
2715 * HBA's management interface is marked as not blocked, all the user space
2716 * access to the HBA, whether they are from sysfs interface or libdfc
2717 * interface will be allowed. The HBA is set to block the management interface
2718 * when the driver prepares the HBA interface for online or offline and then
2719 * set to unblock the management interface afterwards.
2722 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2724 unsigned long iflag
;
2726 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2727 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2728 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2732 * lpfc_offline_prep - Prepare a HBA to be brought offline
2733 * @phba: pointer to lpfc hba data structure.
2735 * This routine is invoked to prepare a HBA to be brought offline. It performs
2736 * unregistration login to all the nodes on all vports and flushes the mailbox
2737 * queue to make it ready to be brought offline.
2740 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2742 struct lpfc_vport
*vport
= phba
->pport
;
2743 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2744 struct lpfc_vport
**vports
;
2745 struct Scsi_Host
*shost
;
2748 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2751 lpfc_block_mgmt_io(phba
, mbx_action
);
2753 lpfc_linkdown(phba
);
2755 /* Issue an unreg_login to all nodes on all vports */
2756 vports
= lpfc_create_vport_work_array(phba
);
2757 if (vports
!= NULL
) {
2758 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2759 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2761 shost
= lpfc_shost_from_vport(vports
[i
]);
2762 spin_lock_irq(shost
->host_lock
);
2763 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2764 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2765 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2766 spin_unlock_irq(shost
->host_lock
);
2768 shost
= lpfc_shost_from_vport(vports
[i
]);
2769 list_for_each_entry_safe(ndlp
, next_ndlp
,
2770 &vports
[i
]->fc_nodes
,
2772 if (!NLP_CHK_NODE_ACT(ndlp
))
2774 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2776 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2777 lpfc_disc_state_machine(vports
[i
], ndlp
,
2778 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2779 lpfc_disc_state_machine(vports
[i
], ndlp
,
2780 NULL
, NLP_EVT_DEVICE_RM
);
2782 spin_lock_irq(shost
->host_lock
);
2783 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2784 spin_unlock_irq(shost
->host_lock
);
2786 * Whenever an SLI4 port goes offline, free the
2787 * RPI. Get a new RPI when the adapter port
2788 * comes back online.
2790 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2791 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2792 lpfc_unreg_rpi(vports
[i
], ndlp
);
2796 lpfc_destroy_vport_work_array(phba
, vports
);
2798 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2802 * lpfc_offline - Bring a HBA offline
2803 * @phba: pointer to lpfc hba data structure.
2805 * This routine actually brings a HBA offline. It stops all the timers
2806 * associated with the HBA, brings down the SLI layer, and eventually
2807 * marks the HBA as in offline state for the upper layer protocol.
2810 lpfc_offline(struct lpfc_hba
*phba
)
2812 struct Scsi_Host
*shost
;
2813 struct lpfc_vport
**vports
;
2816 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2819 /* stop port and all timers associated with this hba */
2820 lpfc_stop_port(phba
);
2821 vports
= lpfc_create_vport_work_array(phba
);
2823 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2824 lpfc_stop_vport_timers(vports
[i
]);
2825 lpfc_destroy_vport_work_array(phba
, vports
);
2826 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2827 "0460 Bring Adapter offline\n");
2828 /* Bring down the SLI Layer and cleanup. The HBA is offline
2830 lpfc_sli_hba_down(phba
);
2831 spin_lock_irq(&phba
->hbalock
);
2833 spin_unlock_irq(&phba
->hbalock
);
2834 vports
= lpfc_create_vport_work_array(phba
);
2836 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2837 shost
= lpfc_shost_from_vport(vports
[i
]);
2838 spin_lock_irq(shost
->host_lock
);
2839 vports
[i
]->work_port_events
= 0;
2840 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2841 spin_unlock_irq(shost
->host_lock
);
2843 lpfc_destroy_vport_work_array(phba
, vports
);
2847 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2848 * @phba: pointer to lpfc hba data structure.
2850 * This routine is to free all the SCSI buffers and IOCBs from the driver
2851 * list back to kernel. It is called from lpfc_pci_remove_one to free
2852 * the internal resources before the device is removed from the system.
2855 lpfc_scsi_free(struct lpfc_hba
*phba
)
2857 struct lpfc_scsi_buf
*sb
, *sb_next
;
2858 struct lpfc_iocbq
*io
, *io_next
;
2860 spin_lock_irq(&phba
->hbalock
);
2862 /* Release all the lpfc_scsi_bufs maintained by this host. */
2864 spin_lock(&phba
->scsi_buf_list_put_lock
);
2865 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
2867 list_del(&sb
->list
);
2868 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2871 phba
->total_scsi_bufs
--;
2873 spin_unlock(&phba
->scsi_buf_list_put_lock
);
2875 spin_lock(&phba
->scsi_buf_list_get_lock
);
2876 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
2878 list_del(&sb
->list
);
2879 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2882 phba
->total_scsi_bufs
--;
2884 spin_unlock(&phba
->scsi_buf_list_get_lock
);
2886 /* Release all the lpfc_iocbq entries maintained by this host. */
2887 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2888 list_del(&io
->list
);
2890 phba
->total_iocbq_bufs
--;
2893 spin_unlock_irq(&phba
->hbalock
);
2897 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2898 * @phba: pointer to lpfc hba data structure.
2900 * This routine first calculates the sizes of the current els and allocated
2901 * scsi sgl lists, and then goes through all sgls to updates the physical
2902 * XRIs assigned due to port function reset. During port initialization, the
2903 * current els and allocated scsi sgl lists are 0s.
2906 * 0 - successful (for now, it always returns 0)
2909 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
2911 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
2912 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
2913 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
2914 LIST_HEAD(els_sgl_list
);
2915 LIST_HEAD(scsi_sgl_list
);
2919 * update on pci function's els xri-sgl list
2921 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
2922 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
2923 /* els xri-sgl expanded */
2924 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
2925 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2926 "3157 ELS xri-sgl count increased from "
2927 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2929 /* allocate the additional els sgls */
2930 for (i
= 0; i
< xri_cnt
; i
++) {
2931 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
2933 if (sglq_entry
== NULL
) {
2934 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2935 "2562 Failure to allocate an "
2936 "ELS sgl entry:%d\n", i
);
2940 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
2941 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
2943 if (sglq_entry
->virt
== NULL
) {
2945 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2946 "2563 Failure to allocate an "
2947 "ELS mbuf:%d\n", i
);
2951 sglq_entry
->sgl
= sglq_entry
->virt
;
2952 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
2953 sglq_entry
->state
= SGL_FREED
;
2954 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
2956 spin_lock_irq(&phba
->hbalock
);
2957 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2958 spin_unlock_irq(&phba
->hbalock
);
2959 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
2960 /* els xri-sgl shrinked */
2961 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
2962 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2963 "3158 ELS xri-sgl count decreased from "
2964 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2966 spin_lock_irq(&phba
->hbalock
);
2967 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
2968 spin_unlock_irq(&phba
->hbalock
);
2969 /* release extra els sgls from list */
2970 for (i
= 0; i
< xri_cnt
; i
++) {
2971 list_remove_head(&els_sgl_list
,
2972 sglq_entry
, struct lpfc_sglq
, list
);
2974 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
2979 spin_lock_irq(&phba
->hbalock
);
2980 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2981 spin_unlock_irq(&phba
->hbalock
);
2983 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2984 "3163 ELS xri-sgl count unchanged: %d\n",
2986 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
2988 /* update xris to els sgls on the list */
2990 sglq_entry_next
= NULL
;
2991 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
2992 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
2993 lxri
= lpfc_sli4_next_xritag(phba
);
2994 if (lxri
== NO_XRI
) {
2995 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2996 "2400 Failed to allocate xri for "
3001 sglq_entry
->sli4_lxritag
= lxri
;
3002 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3006 * update on pci function's allocated scsi xri-sgl list
3008 phba
->total_scsi_bufs
= 0;
3010 /* maximum number of xris available for scsi buffers */
3011 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3014 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3015 "2401 Current allocated SCSI xri-sgl count:%d, "
3016 "maximum SCSI xri count:%d\n",
3017 phba
->sli4_hba
.scsi_xri_cnt
,
3018 phba
->sli4_hba
.scsi_xri_max
);
3020 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3021 spin_lock_irq(&phba
->scsi_buf_list_put_lock
);
3022 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3023 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3024 spin_unlock_irq(&phba
->scsi_buf_list_put_lock
);
3025 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3027 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3028 /* max scsi xri shrinked below the allocated scsi buffers */
3029 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3030 phba
->sli4_hba
.scsi_xri_max
;
3031 /* release the extra allocated scsi buffers */
3032 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3033 list_remove_head(&scsi_sgl_list
, psb
,
3034 struct lpfc_scsi_buf
, list
);
3035 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
3039 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3040 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3041 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3044 /* update xris associated to remaining allocated scsi buffers */
3047 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3048 lxri
= lpfc_sli4_next_xritag(phba
);
3049 if (lxri
== NO_XRI
) {
3050 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3051 "2560 Failed to allocate xri for "
3056 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3057 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3059 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3060 spin_lock_irq(&phba
->scsi_buf_list_put_lock
);
3061 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3062 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3063 spin_unlock_irq(&phba
->scsi_buf_list_put_lock
);
3064 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3069 lpfc_free_els_sgl_list(phba
);
3070 lpfc_scsi_free(phba
);
3075 * lpfc_create_port - Create an FC port
3076 * @phba: pointer to lpfc hba data structure.
3077 * @instance: a unique integer ID to this FC port.
3078 * @dev: pointer to the device data structure.
3080 * This routine creates a FC port for the upper layer protocol. The FC port
3081 * can be created on top of either a physical port or a virtual port provided
3082 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3083 * and associates the FC port created before adding the shost into the SCSI
3087 * @vport - pointer to the virtual N_Port data structure.
3088 * NULL - port create failed.
3091 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3093 struct lpfc_vport
*vport
;
3094 struct Scsi_Host
*shost
;
3097 if (dev
!= &phba
->pcidev
->dev
)
3098 shost
= scsi_host_alloc(&lpfc_vport_template
,
3099 sizeof(struct lpfc_vport
));
3101 shost
= scsi_host_alloc(&lpfc_template
,
3102 sizeof(struct lpfc_vport
));
3106 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3108 vport
->load_flag
|= FC_LOADING
;
3109 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3110 vport
->fc_rscn_flush
= 0;
3112 lpfc_get_vport_cfgparam(vport
);
3113 shost
->unique_id
= instance
;
3114 shost
->max_id
= LPFC_MAX_TARGET
;
3115 shost
->max_lun
= vport
->cfg_max_luns
;
3116 shost
->this_id
= -1;
3117 shost
->max_cmd_len
= 16;
3118 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3119 shost
->dma_boundary
=
3120 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3121 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3125 * Set initial can_queue value since 0 is no longer supported and
3126 * scsi_add_host will fail. This will be adjusted later based on the
3127 * max xri value determined in hba setup.
3129 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3130 if (dev
!= &phba
->pcidev
->dev
) {
3131 shost
->transportt
= lpfc_vport_transport_template
;
3132 vport
->port_type
= LPFC_NPIV_PORT
;
3134 shost
->transportt
= lpfc_transport_template
;
3135 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3138 /* Initialize all internally managed lists. */
3139 INIT_LIST_HEAD(&vport
->fc_nodes
);
3140 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3141 spin_lock_init(&vport
->work_port_lock
);
3143 init_timer(&vport
->fc_disctmo
);
3144 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3145 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3147 init_timer(&vport
->fc_fdmitmo
);
3148 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3149 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3151 init_timer(&vport
->els_tmofunc
);
3152 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3153 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3155 init_timer(&vport
->delayed_disc_tmo
);
3156 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3157 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3159 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3163 spin_lock_irq(&phba
->hbalock
);
3164 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3165 spin_unlock_irq(&phba
->hbalock
);
3169 scsi_host_put(shost
);
3175 * destroy_port - destroy an FC port
3176 * @vport: pointer to an lpfc virtual N_Port data structure.
3178 * This routine destroys a FC port from the upper layer protocol. All the
3179 * resources associated with the port are released.
3182 destroy_port(struct lpfc_vport
*vport
)
3184 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3185 struct lpfc_hba
*phba
= vport
->phba
;
3187 lpfc_debugfs_terminate(vport
);
3188 fc_remove_host(shost
);
3189 scsi_remove_host(shost
);
3191 spin_lock_irq(&phba
->hbalock
);
3192 list_del_init(&vport
->listentry
);
3193 spin_unlock_irq(&phba
->hbalock
);
3195 lpfc_cleanup(vport
);
3200 * lpfc_get_instance - Get a unique integer ID
3202 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3203 * uses the kernel idr facility to perform the task.
3206 * instance - a unique integer ID allocated as the new instance.
3207 * -1 - lpfc get instance failed.
3210 lpfc_get_instance(void)
3214 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3215 return ret
< 0 ? -1 : ret
;
3219 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3220 * @shost: pointer to SCSI host data structure.
3221 * @time: elapsed time of the scan in jiffies.
3223 * This routine is called by the SCSI layer with a SCSI host to determine
3224 * whether the scan host is finished.
3226 * Note: there is no scan_start function as adapter initialization will have
3227 * asynchronously kicked off the link initialization.
3230 * 0 - SCSI host scan is not over yet.
3231 * 1 - SCSI host scan is over.
3233 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3235 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3236 struct lpfc_hba
*phba
= vport
->phba
;
3239 spin_lock_irq(shost
->host_lock
);
3241 if (vport
->load_flag
& FC_UNLOADING
) {
3245 if (time
>= msecs_to_jiffies(30 * 1000)) {
3246 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3247 "0461 Scanning longer than 30 "
3248 "seconds. Continuing initialization\n");
3252 if (time
>= msecs_to_jiffies(15 * 1000) &&
3253 phba
->link_state
<= LPFC_LINK_DOWN
) {
3254 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3255 "0465 Link down longer than 15 "
3256 "seconds. Continuing initialization\n");
3261 if (vport
->port_state
!= LPFC_VPORT_READY
)
3263 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3265 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3267 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3273 spin_unlock_irq(shost
->host_lock
);
3278 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3279 * @shost: pointer to SCSI host data structure.
3281 * This routine initializes a given SCSI host attributes on a FC port. The
3282 * SCSI host can be either on top of a physical port or a virtual port.
3284 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3286 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3287 struct lpfc_hba
*phba
= vport
->phba
;
3289 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3292 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3293 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3294 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3296 memset(fc_host_supported_fc4s(shost
), 0,
3297 sizeof(fc_host_supported_fc4s(shost
)));
3298 fc_host_supported_fc4s(shost
)[2] = 1;
3299 fc_host_supported_fc4s(shost
)[7] = 1;
3301 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3302 sizeof fc_host_symbolic_name(shost
));
3304 fc_host_supported_speeds(shost
) = 0;
3305 if (phba
->lmt
& LMT_16Gb
)
3306 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3307 if (phba
->lmt
& LMT_10Gb
)
3308 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3309 if (phba
->lmt
& LMT_8Gb
)
3310 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3311 if (phba
->lmt
& LMT_4Gb
)
3312 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3313 if (phba
->lmt
& LMT_2Gb
)
3314 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3315 if (phba
->lmt
& LMT_1Gb
)
3316 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3318 fc_host_maxframe_size(shost
) =
3319 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3320 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3322 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3324 /* This value is also unchanging */
3325 memset(fc_host_active_fc4s(shost
), 0,
3326 sizeof(fc_host_active_fc4s(shost
)));
3327 fc_host_active_fc4s(shost
)[2] = 1;
3328 fc_host_active_fc4s(shost
)[7] = 1;
3330 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3331 spin_lock_irq(shost
->host_lock
);
3332 vport
->load_flag
&= ~FC_LOADING
;
3333 spin_unlock_irq(shost
->host_lock
);
3337 * lpfc_stop_port_s3 - Stop SLI3 device port
3338 * @phba: pointer to lpfc hba data structure.
3340 * This routine is invoked to stop an SLI3 device port, it stops the device
3341 * from generating interrupts and stops the device driver's timers for the
3345 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3347 /* Clear all interrupt enable conditions */
3348 writel(0, phba
->HCregaddr
);
3349 readl(phba
->HCregaddr
); /* flush */
3350 /* Clear all pending interrupts */
3351 writel(0xffffffff, phba
->HAregaddr
);
3352 readl(phba
->HAregaddr
); /* flush */
3354 /* Reset some HBA SLI setup states */
3355 lpfc_stop_hba_timers(phba
);
3356 phba
->pport
->work_port_events
= 0;
3360 * lpfc_stop_port_s4 - Stop SLI4 device port
3361 * @phba: pointer to lpfc hba data structure.
3363 * This routine is invoked to stop an SLI4 device port, it stops the device
3364 * from generating interrupts and stops the device driver's timers for the
3368 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3370 /* Reset some HBA SLI4 setup states */
3371 lpfc_stop_hba_timers(phba
);
3372 phba
->pport
->work_port_events
= 0;
3373 phba
->sli4_hba
.intr_enable
= 0;
3377 * lpfc_stop_port - Wrapper function for stopping hba port
3378 * @phba: Pointer to HBA context object.
3380 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3381 * the API jump table function pointer from the lpfc_hba struct.
3384 lpfc_stop_port(struct lpfc_hba
*phba
)
3386 phba
->lpfc_stop_port(phba
);
3390 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3391 * @phba: Pointer to hba for which this call is being executed.
3393 * This routine starts the timer waiting for the FCF rediscovery to complete.
3396 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3398 unsigned long fcf_redisc_wait_tmo
=
3399 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3400 /* Start fcf rediscovery wait period timer */
3401 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3402 spin_lock_irq(&phba
->hbalock
);
3403 /* Allow action to new fcf asynchronous event */
3404 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3405 /* Mark the FCF rediscovery pending state */
3406 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3407 spin_unlock_irq(&phba
->hbalock
);
3411 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3412 * @ptr: Map to lpfc_hba data structure pointer.
3414 * This routine is invoked when waiting for FCF table rediscover has been
3415 * timed out. If new FCF record(s) has (have) been discovered during the
3416 * wait period, a new FCF event shall be added to the FCOE async event
3417 * list, and then worker thread shall be waked up for processing from the
3418 * worker thread context.
3421 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3423 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3425 /* Don't send FCF rediscovery event if timer cancelled */
3426 spin_lock_irq(&phba
->hbalock
);
3427 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3428 spin_unlock_irq(&phba
->hbalock
);
3431 /* Clear FCF rediscovery timer pending flag */
3432 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3433 /* FCF rediscovery event to worker thread */
3434 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3435 spin_unlock_irq(&phba
->hbalock
);
3436 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3437 "2776 FCF rediscover quiescent timer expired\n");
3438 /* wake up worker thread */
3439 lpfc_worker_wake_up(phba
);
3443 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3444 * @phba: pointer to lpfc hba data structure.
3445 * @acqe_link: pointer to the async link completion queue entry.
3447 * This routine is to parse the SLI4 link-attention link fault code and
3448 * translate it into the base driver's read link attention mailbox command
3451 * Return: Link-attention status in terms of base driver's coding.
3454 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3455 struct lpfc_acqe_link
*acqe_link
)
3457 uint16_t latt_fault
;
3459 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3460 case LPFC_ASYNC_LINK_FAULT_NONE
:
3461 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3462 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3466 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3467 "0398 Invalid link fault code: x%x\n",
3468 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3469 latt_fault
= MBXERR_ERROR
;
3476 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3477 * @phba: pointer to lpfc hba data structure.
3478 * @acqe_link: pointer to the async link completion queue entry.
3480 * This routine is to parse the SLI4 link attention type and translate it
3481 * into the base driver's link attention type coding.
3483 * Return: Link attention type in terms of base driver's coding.
3486 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3487 struct lpfc_acqe_link
*acqe_link
)
3491 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3492 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3493 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3494 att_type
= LPFC_ATT_LINK_DOWN
;
3496 case LPFC_ASYNC_LINK_STATUS_UP
:
3497 /* Ignore physical link up events - wait for logical link up */
3498 att_type
= LPFC_ATT_RESERVED
;
3500 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3501 att_type
= LPFC_ATT_LINK_UP
;
3504 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3505 "0399 Invalid link attention type: x%x\n",
3506 bf_get(lpfc_acqe_link_status
, acqe_link
));
3507 att_type
= LPFC_ATT_RESERVED
;
3514 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3515 * @phba: pointer to lpfc hba data structure.
3516 * @acqe_link: pointer to the async link completion queue entry.
3518 * This routine is to parse the SLI4 link-attention link speed and translate
3519 * it into the base driver's link-attention link speed coding.
3521 * Return: Link-attention link speed in terms of base driver's coding.
3524 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3525 struct lpfc_acqe_link
*acqe_link
)
3529 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3530 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3531 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3532 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3533 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3535 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3536 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3538 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3539 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3542 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3543 "0483 Invalid link-attention link speed: x%x\n",
3544 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3545 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3552 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3553 * @phba: pointer to lpfc hba data structure.
3555 * This routine is to get an SLI3 FC port's link speed in Mbps.
3557 * Return: link speed in terms of Mbps.
3560 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3562 uint32_t link_speed
;
3564 if (!lpfc_is_link_up(phba
))
3567 switch (phba
->fc_linkspeed
) {
3568 case LPFC_LINK_SPEED_1GHZ
:
3571 case LPFC_LINK_SPEED_2GHZ
:
3574 case LPFC_LINK_SPEED_4GHZ
:
3577 case LPFC_LINK_SPEED_8GHZ
:
3580 case LPFC_LINK_SPEED_10GHZ
:
3583 case LPFC_LINK_SPEED_16GHZ
:
3593 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3594 * @phba: pointer to lpfc hba data structure.
3595 * @evt_code: asynchronous event code.
3596 * @speed_code: asynchronous event link speed code.
3598 * This routine is to parse the giving SLI4 async event link speed code into
3599 * value of Mbps for the link speed.
3601 * Return: link speed in terms of Mbps.
3604 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3607 uint32_t port_speed
;
3610 case LPFC_TRAILER_CODE_LINK
:
3611 switch (speed_code
) {
3612 case LPFC_EVT_CODE_LINK_NO_LINK
:
3615 case LPFC_EVT_CODE_LINK_10_MBIT
:
3618 case LPFC_EVT_CODE_LINK_100_MBIT
:
3621 case LPFC_EVT_CODE_LINK_1_GBIT
:
3624 case LPFC_EVT_CODE_LINK_10_GBIT
:
3631 case LPFC_TRAILER_CODE_FC
:
3632 switch (speed_code
) {
3633 case LPFC_EVT_CODE_FC_NO_LINK
:
3636 case LPFC_EVT_CODE_FC_1_GBAUD
:
3639 case LPFC_EVT_CODE_FC_2_GBAUD
:
3642 case LPFC_EVT_CODE_FC_4_GBAUD
:
3645 case LPFC_EVT_CODE_FC_8_GBAUD
:
3648 case LPFC_EVT_CODE_FC_10_GBAUD
:
3651 case LPFC_EVT_CODE_FC_16_GBAUD
:
3665 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3666 * @phba: pointer to lpfc hba data structure.
3667 * @acqe_link: pointer to the async link completion queue entry.
3669 * This routine is to handle the SLI4 asynchronous FCoE link event.
3672 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3673 struct lpfc_acqe_link
*acqe_link
)
3675 struct lpfc_dmabuf
*mp
;
3678 struct lpfc_mbx_read_top
*la
;
3682 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3683 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3685 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3686 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3688 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3689 "0395 The mboxq allocation failed\n");
3692 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3694 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3695 "0396 The lpfc_dmabuf allocation failed\n");
3698 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3700 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3701 "0397 The mbuf allocation failed\n");
3702 goto out_free_dmabuf
;
3705 /* Cleanup any outstanding ELS commands */
3706 lpfc_els_flush_all_cmd(phba
);
3708 /* Block ELS IOCBs until we have done process link event */
3709 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3711 /* Update link event statistics */
3712 phba
->sli
.slistat
.link_event
++;
3714 /* Create lpfc_handle_latt mailbox command from link ACQE */
3715 lpfc_read_topology(phba
, pmb
, mp
);
3716 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3717 pmb
->vport
= phba
->pport
;
3719 /* Keep the link status for extra SLI4 state machine reference */
3720 phba
->sli4_hba
.link_state
.speed
=
3721 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3722 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3723 phba
->sli4_hba
.link_state
.duplex
=
3724 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3725 phba
->sli4_hba
.link_state
.status
=
3726 bf_get(lpfc_acqe_link_status
, acqe_link
);
3727 phba
->sli4_hba
.link_state
.type
=
3728 bf_get(lpfc_acqe_link_type
, acqe_link
);
3729 phba
->sli4_hba
.link_state
.number
=
3730 bf_get(lpfc_acqe_link_number
, acqe_link
);
3731 phba
->sli4_hba
.link_state
.fault
=
3732 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3733 phba
->sli4_hba
.link_state
.logical_speed
=
3734 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3736 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3737 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3738 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3739 "Logical speed:%dMbps Fault:%d\n",
3740 phba
->sli4_hba
.link_state
.speed
,
3741 phba
->sli4_hba
.link_state
.topology
,
3742 phba
->sli4_hba
.link_state
.status
,
3743 phba
->sli4_hba
.link_state
.type
,
3744 phba
->sli4_hba
.link_state
.number
,
3745 phba
->sli4_hba
.link_state
.logical_speed
,
3746 phba
->sli4_hba
.link_state
.fault
);
3748 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3749 * topology info. Note: Optional for non FC-AL ports.
3751 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3752 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3753 if (rc
== MBX_NOT_FINISHED
)
3754 goto out_free_dmabuf
;
3758 * For FCoE Mode: fill in all the topology information we need and call
3759 * the READ_TOPOLOGY completion routine to continue without actually
3760 * sending the READ_TOPOLOGY mailbox command to the port.
3762 /* Parse and translate status field */
3764 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3766 /* Parse and translate link attention fields */
3767 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3768 la
->eventTag
= acqe_link
->event_tag
;
3769 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3770 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3771 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3773 /* Fake the the following irrelvant fields */
3774 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3775 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3776 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3777 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3778 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3779 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3781 /* Invoke the lpfc_handle_latt mailbox command callback function */
3782 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3789 mempool_free(pmb
, phba
->mbox_mem_pool
);
3793 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3794 * @phba: pointer to lpfc hba data structure.
3795 * @acqe_fc: pointer to the async fc completion queue entry.
3797 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3798 * that the event was received and then issue a read_topology mailbox command so
3799 * that the rest of the driver will treat it the same as SLI3.
3802 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3804 struct lpfc_dmabuf
*mp
;
3808 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3809 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3810 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3811 "2895 Non FC link Event detected.(%d)\n",
3812 bf_get(lpfc_trailer_type
, acqe_fc
));
3815 /* Keep the link status for extra SLI4 state machine reference */
3816 phba
->sli4_hba
.link_state
.speed
=
3817 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
3818 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
3819 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3820 phba
->sli4_hba
.link_state
.topology
=
3821 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3822 phba
->sli4_hba
.link_state
.status
=
3823 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3824 phba
->sli4_hba
.link_state
.type
=
3825 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3826 phba
->sli4_hba
.link_state
.number
=
3827 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3828 phba
->sli4_hba
.link_state
.fault
=
3829 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3830 phba
->sli4_hba
.link_state
.logical_speed
=
3831 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
3832 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3833 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3834 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3835 "%dMbps Fault:%d\n",
3836 phba
->sli4_hba
.link_state
.speed
,
3837 phba
->sli4_hba
.link_state
.topology
,
3838 phba
->sli4_hba
.link_state
.status
,
3839 phba
->sli4_hba
.link_state
.type
,
3840 phba
->sli4_hba
.link_state
.number
,
3841 phba
->sli4_hba
.link_state
.logical_speed
,
3842 phba
->sli4_hba
.link_state
.fault
);
3843 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3845 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3846 "2897 The mboxq allocation failed\n");
3849 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3851 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3852 "2898 The lpfc_dmabuf allocation failed\n");
3855 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3857 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3858 "2899 The mbuf allocation failed\n");
3859 goto out_free_dmabuf
;
3862 /* Cleanup any outstanding ELS commands */
3863 lpfc_els_flush_all_cmd(phba
);
3865 /* Block ELS IOCBs until we have done process link event */
3866 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3868 /* Update link event statistics */
3869 phba
->sli
.slistat
.link_event
++;
3871 /* Create lpfc_handle_latt mailbox command from link ACQE */
3872 lpfc_read_topology(phba
, pmb
, mp
);
3873 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3874 pmb
->vport
= phba
->pport
;
3876 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3877 if (rc
== MBX_NOT_FINISHED
)
3878 goto out_free_dmabuf
;
3884 mempool_free(pmb
, phba
->mbox_mem_pool
);
3888 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3889 * @phba: pointer to lpfc hba data structure.
3890 * @acqe_fc: pointer to the async SLI completion queue entry.
3892 * This routine is to handle the SLI4 asynchronous SLI events.
3895 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3900 struct lpfc_acqe_misconfigured_event
*misconfigured
;
3902 /* special case misconfigured event as it contains data for all ports */
3903 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
3904 LPFC_SLI_INTF_IF_TYPE_2
) ||
3905 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
3906 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
3907 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3908 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3909 "x%08x SLI Event Type:%d\n",
3910 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3911 bf_get(lpfc_trailer_type
, acqe_sli
));
3915 port_name
= phba
->Port
[0];
3916 if (port_name
== 0x00)
3917 port_name
= '?'; /* get port name is empty */
3919 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
3920 &acqe_sli
->event_data1
;
3922 /* fetch the status for this port */
3923 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
3924 case LPFC_LINK_NUMBER_0
:
3925 status
= bf_get(lpfc_sli_misconfigured_port0
,
3926 &misconfigured
->theEvent
);
3928 case LPFC_LINK_NUMBER_1
:
3929 status
= bf_get(lpfc_sli_misconfigured_port1
,
3930 &misconfigured
->theEvent
);
3932 case LPFC_LINK_NUMBER_2
:
3933 status
= bf_get(lpfc_sli_misconfigured_port2
,
3934 &misconfigured
->theEvent
);
3936 case LPFC_LINK_NUMBER_3
:
3937 status
= bf_get(lpfc_sli_misconfigured_port3
,
3938 &misconfigured
->theEvent
);
3941 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
3946 case LPFC_SLI_EVENT_STATUS_VALID
:
3947 return; /* no message if the sfp is okay */
3948 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
3949 sprintf(message
, "Optics faulted/incorrectly installed/not " \
3950 "installed - Reseat optics, if issue not "
3951 "resolved, replace.");
3953 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
3955 "Optics of two types installed - Remove one optic or " \
3956 "install matching pair of optics.");
3958 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
3959 sprintf(message
, "Incompatible optics - Replace with " \
3960 "compatible optics for card to function.");
3963 /* firmware is reporting a status we don't know about */
3964 sprintf(message
, "Unknown event status x%02x", status
);
3968 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3969 "3176 Misconfigured Physical Port - "
3970 "Port Name %c %s\n", port_name
, message
);
3974 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3975 * @vport: pointer to vport data structure.
3977 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3978 * response to a CVL event.
3980 * Return the pointer to the ndlp with the vport if successful, otherwise
3983 static struct lpfc_nodelist
*
3984 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3986 struct lpfc_nodelist
*ndlp
;
3987 struct Scsi_Host
*shost
;
3988 struct lpfc_hba
*phba
;
3995 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3997 /* Cannot find existing Fabric ndlp, so allocate a new one */
3998 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
4001 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
4002 /* Set the node type */
4003 ndlp
->nlp_type
|= NLP_FABRIC
;
4004 /* Put ndlp onto node list */
4005 lpfc_enqueue_node(vport
, ndlp
);
4006 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4007 /* re-setup ndlp without removing from node list */
4008 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4012 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4013 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4015 /* If virtual link is not yet instantiated ignore CVL */
4016 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4017 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4019 shost
= lpfc_shost_from_vport(vport
);
4022 lpfc_linkdown_port(vport
);
4023 lpfc_cleanup_pending_mbox(vport
);
4024 spin_lock_irq(shost
->host_lock
);
4025 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4026 spin_unlock_irq(shost
->host_lock
);
4032 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4033 * @vport: pointer to lpfc hba data structure.
4035 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4036 * response to a FCF dead event.
4039 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4041 struct lpfc_vport
**vports
;
4044 vports
= lpfc_create_vport_work_array(phba
);
4046 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4047 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4048 lpfc_destroy_vport_work_array(phba
, vports
);
4052 * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery
4053 * @vport: pointer to lpfc hba data structure.
4055 * This routine is to perform FCF recovery when the in-use FCF either dead or
4059 lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba
*phba
,
4060 struct lpfc_acqe_fip
*acqe_fip
)
4064 spin_lock_irq(&phba
->hbalock
);
4065 /* Mark the fast failover process in progress */
4066 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4067 spin_unlock_irq(&phba
->hbalock
);
4069 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4070 "2771 Start FCF fast failover process due to in-use "
4071 "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n",
4072 acqe_fip
->event_tag
, acqe_fip
->index
);
4073 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4075 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4076 "2772 Issue FCF rediscover mabilbox command "
4077 "failed, fail through to FCF dead event\n");
4078 spin_lock_irq(&phba
->hbalock
);
4079 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4080 spin_unlock_irq(&phba
->hbalock
);
4082 * Last resort will fail over by treating this as a link
4083 * down to FCF registration.
4085 lpfc_sli4_fcf_dead_failthrough(phba
);
4087 /* Reset FCF roundrobin bmask for new discovery */
4088 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4090 * Handling fast FCF failover to a DEAD FCF event is
4091 * considered equalivant to receiving CVL to all vports.
4093 lpfc_sli4_perform_all_vport_cvl(phba
);
4098 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4099 * @phba: pointer to lpfc hba data structure.
4100 * @acqe_link: pointer to the async fcoe completion queue entry.
4102 * This routine is to handle the SLI4 asynchronous fcoe event.
4105 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4106 struct lpfc_acqe_fip
*acqe_fip
)
4108 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4110 struct lpfc_vport
*vport
;
4111 struct lpfc_nodelist
*ndlp
;
4112 struct Scsi_Host
*shost
;
4113 int active_vlink_present
;
4114 struct lpfc_vport
**vports
;
4117 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4118 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4119 switch (event_type
) {
4120 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4121 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4122 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4123 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4125 "2546 New FCF event, evt_tag:x%x, "
4127 acqe_fip
->event_tag
,
4130 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4132 "2788 FCF param modified event, "
4133 "evt_tag:x%x, index:x%x\n",
4134 acqe_fip
->event_tag
,
4136 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4138 * During period of FCF discovery, read the FCF
4139 * table record indexed by the event to update
4140 * FCF roundrobin failover eligible FCF bmask.
4142 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4144 "2779 Read FCF (x%x) for updating "
4145 "roundrobin FCF failover bmask\n",
4147 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4150 /* If the FCF discovery is in progress, do nothing. */
4151 spin_lock_irq(&phba
->hbalock
);
4152 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4153 spin_unlock_irq(&phba
->hbalock
);
4156 /* If fast FCF failover rescan event is pending, do nothing */
4157 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4158 spin_unlock_irq(&phba
->hbalock
);
4162 /* If FCF has been in discovered state, perform rediscovery
4163 * only if the FCF with the same index of the in-use FCF got
4164 * modified during normal operation. Otherwise, do nothing.
4166 if (phba
->pport
->port_state
> LPFC_FLOGI
) {
4167 spin_unlock_irq(&phba
->hbalock
);
4168 if (phba
->fcf
.current_rec
.fcf_indx
==
4170 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
4171 "3300 In-use FCF (%d) "
4172 "modified, perform FCF "
4175 lpfc_sli4_perform_inuse_fcf_recovery(phba
,
4180 spin_unlock_irq(&phba
->hbalock
);
4182 /* Otherwise, scan the entire FCF table and re-discover SAN */
4183 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4184 "2770 Start FCF table scan per async FCF "
4185 "event, evt_tag:x%x, index:x%x\n",
4186 acqe_fip
->event_tag
, acqe_fip
->index
);
4187 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4188 LPFC_FCOE_FCF_GET_FIRST
);
4190 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4191 "2547 Issue FCF scan read FCF mailbox "
4192 "command failed (x%x)\n", rc
);
4195 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4196 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4197 "2548 FCF Table full count 0x%x tag 0x%x\n",
4198 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4199 acqe_fip
->event_tag
);
4202 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4203 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4204 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4205 "2549 FCF (x%x) disconnected from network, "
4206 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4208 * If we are in the middle of FCF failover process, clear
4209 * the corresponding FCF bit in the roundrobin bitmap.
4211 spin_lock_irq(&phba
->hbalock
);
4212 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4213 spin_unlock_irq(&phba
->hbalock
);
4214 /* Update FLOGI FCF failover eligible FCF bmask */
4215 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4218 spin_unlock_irq(&phba
->hbalock
);
4220 /* If the event is not for currently used fcf do nothing */
4221 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4225 * Otherwise, request the port to rediscover the entire FCF
4226 * table for a fast recovery from case that the current FCF
4227 * is no longer valid as we are not in the middle of FCF
4228 * failover process already.
4230 lpfc_sli4_perform_inuse_fcf_recovery(phba
, acqe_fip
);
4232 case LPFC_FIP_EVENT_TYPE_CVL
:
4233 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4234 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4235 "2718 Clear Virtual Link Received for VPI 0x%x"
4236 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4238 vport
= lpfc_find_vport_by_vpid(phba
,
4240 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4243 active_vlink_present
= 0;
4245 vports
= lpfc_create_vport_work_array(phba
);
4247 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4249 if ((!(vports
[i
]->fc_flag
&
4250 FC_VPORT_CVL_RCVD
)) &&
4251 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4252 active_vlink_present
= 1;
4256 lpfc_destroy_vport_work_array(phba
, vports
);
4259 if (active_vlink_present
) {
4261 * If there are other active VLinks present,
4262 * re-instantiate the Vlink using FDISC.
4264 mod_timer(&ndlp
->nlp_delayfunc
,
4265 jiffies
+ msecs_to_jiffies(1000));
4266 shost
= lpfc_shost_from_vport(vport
);
4267 spin_lock_irq(shost
->host_lock
);
4268 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4269 spin_unlock_irq(shost
->host_lock
);
4270 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4271 vport
->port_state
= LPFC_FDISC
;
4274 * Otherwise, we request port to rediscover
4275 * the entire FCF table for a fast recovery
4276 * from possible case that the current FCF
4277 * is no longer valid if we are not already
4278 * in the FCF failover process.
4280 spin_lock_irq(&phba
->hbalock
);
4281 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4282 spin_unlock_irq(&phba
->hbalock
);
4285 /* Mark the fast failover process in progress */
4286 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4287 spin_unlock_irq(&phba
->hbalock
);
4288 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4290 "2773 Start FCF failover per CVL, "
4291 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4292 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4294 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4296 "2774 Issue FCF rediscover "
4297 "mabilbox command failed, "
4298 "through to CVL event\n");
4299 spin_lock_irq(&phba
->hbalock
);
4300 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4301 spin_unlock_irq(&phba
->hbalock
);
4303 * Last resort will be re-try on the
4304 * the current registered FCF entry.
4306 lpfc_retry_pport_discovery(phba
);
4309 * Reset FCF roundrobin bmask for new
4312 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4316 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4317 "0288 Unknown FCoE event type 0x%x event tag "
4318 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4324 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4325 * @phba: pointer to lpfc hba data structure.
4326 * @acqe_link: pointer to the async dcbx completion queue entry.
4328 * This routine is to handle the SLI4 asynchronous dcbx event.
4331 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4332 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4334 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4335 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4336 "0290 The SLI4 DCBX asynchronous event is not "
4341 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4342 * @phba: pointer to lpfc hba data structure.
4343 * @acqe_link: pointer to the async grp5 completion queue entry.
4345 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4346 * is an asynchronous notified of a logical link speed change. The Port
4347 * reports the logical link speed in units of 10Mbps.
4350 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4351 struct lpfc_acqe_grp5
*acqe_grp5
)
4353 uint16_t prev_ll_spd
;
4355 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4356 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4357 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4358 phba
->sli4_hba
.link_state
.logical_speed
=
4359 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4360 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4361 "2789 GRP5 Async Event: Updating logical link speed "
4362 "from %dMbps to %dMbps\n", prev_ll_spd
,
4363 phba
->sli4_hba
.link_state
.logical_speed
);
4367 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4368 * @phba: pointer to lpfc hba data structure.
4370 * This routine is invoked by the worker thread to process all the pending
4371 * SLI4 asynchronous events.
4373 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4375 struct lpfc_cq_event
*cq_event
;
4377 /* First, declare the async event has been handled */
4378 spin_lock_irq(&phba
->hbalock
);
4379 phba
->hba_flag
&= ~ASYNC_EVENT
;
4380 spin_unlock_irq(&phba
->hbalock
);
4381 /* Now, handle all the async events */
4382 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4383 /* Get the first event from the head of the event queue */
4384 spin_lock_irq(&phba
->hbalock
);
4385 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4386 cq_event
, struct lpfc_cq_event
, list
);
4387 spin_unlock_irq(&phba
->hbalock
);
4388 /* Process the asynchronous event */
4389 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4390 case LPFC_TRAILER_CODE_LINK
:
4391 lpfc_sli4_async_link_evt(phba
,
4392 &cq_event
->cqe
.acqe_link
);
4394 case LPFC_TRAILER_CODE_FCOE
:
4395 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4397 case LPFC_TRAILER_CODE_DCBX
:
4398 lpfc_sli4_async_dcbx_evt(phba
,
4399 &cq_event
->cqe
.acqe_dcbx
);
4401 case LPFC_TRAILER_CODE_GRP5
:
4402 lpfc_sli4_async_grp5_evt(phba
,
4403 &cq_event
->cqe
.acqe_grp5
);
4405 case LPFC_TRAILER_CODE_FC
:
4406 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4408 case LPFC_TRAILER_CODE_SLI
:
4409 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4412 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4413 "1804 Invalid asynchrous event code: "
4414 "x%x\n", bf_get(lpfc_trailer_code
,
4415 &cq_event
->cqe
.mcqe_cmpl
));
4418 /* Free the completion event processed to the free pool */
4419 lpfc_sli4_cq_event_release(phba
, cq_event
);
4424 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4425 * @phba: pointer to lpfc hba data structure.
4427 * This routine is invoked by the worker thread to process FCF table
4428 * rediscovery pending completion event.
4430 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4434 spin_lock_irq(&phba
->hbalock
);
4435 /* Clear FCF rediscovery timeout event */
4436 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4437 /* Clear driver fast failover FCF record flag */
4438 phba
->fcf
.failover_rec
.flag
= 0;
4439 /* Set state for FCF fast failover */
4440 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4441 spin_unlock_irq(&phba
->hbalock
);
4443 /* Scan FCF table from the first entry to re-discover SAN */
4444 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4445 "2777 Start post-quiescent FCF table scan\n");
4446 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4448 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4449 "2747 Issue FCF scan read FCF mailbox "
4450 "command failed 0x%x\n", rc
);
4454 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4455 * @phba: pointer to lpfc hba data structure.
4456 * @dev_grp: The HBA PCI-Device group number.
4458 * This routine is invoked to set up the per HBA PCI-Device group function
4459 * API jump table entries.
4461 * Return: 0 if success, otherwise -ENODEV
4464 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4468 /* Set up lpfc PCI-device group */
4469 phba
->pci_dev_grp
= dev_grp
;
4471 /* The LPFC_PCI_DEV_OC uses SLI4 */
4472 if (dev_grp
== LPFC_PCI_DEV_OC
)
4473 phba
->sli_rev
= LPFC_SLI_REV4
;
4475 /* Set up device INIT API function jump table */
4476 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4479 /* Set up SCSI API function jump table */
4480 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4483 /* Set up SLI API function jump table */
4484 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4487 /* Set up MBOX API function jump table */
4488 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4496 * lpfc_log_intr_mode - Log the active interrupt mode
4497 * @phba: pointer to lpfc hba data structure.
4498 * @intr_mode: active interrupt mode adopted.
4500 * This routine it invoked to log the currently used active interrupt mode
4503 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4505 switch (intr_mode
) {
4507 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4508 "0470 Enable INTx interrupt mode.\n");
4511 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4512 "0481 Enabled MSI interrupt mode.\n");
4515 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4516 "0480 Enabled MSI-X interrupt mode.\n");
4519 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4520 "0482 Illegal interrupt mode.\n");
4527 * lpfc_enable_pci_dev - Enable a generic PCI device.
4528 * @phba: pointer to lpfc hba data structure.
4530 * This routine is invoked to enable the PCI device that is common to all
4535 * other values - error
4538 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4540 struct pci_dev
*pdev
;
4543 /* Obtain PCI device reference */
4547 pdev
= phba
->pcidev
;
4548 /* Select PCI BARs */
4549 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4550 /* Enable PCI device */
4551 if (pci_enable_device_mem(pdev
))
4553 /* Request PCI resource for the device */
4554 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4555 goto out_disable_device
;
4556 /* Set up device as PCI master and save state for EEH */
4557 pci_set_master(pdev
);
4558 pci_try_set_mwi(pdev
);
4559 pci_save_state(pdev
);
4561 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4562 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4563 pdev
->needs_freset
= 1;
4568 pci_disable_device(pdev
);
4570 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4571 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4576 * lpfc_disable_pci_dev - Disable a generic PCI device.
4577 * @phba: pointer to lpfc hba data structure.
4579 * This routine is invoked to disable the PCI device that is common to all
4583 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4585 struct pci_dev
*pdev
;
4588 /* Obtain PCI device reference */
4592 pdev
= phba
->pcidev
;
4593 /* Select PCI BARs */
4594 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4595 /* Release PCI resource and disable PCI device */
4596 pci_release_selected_regions(pdev
, bars
);
4597 pci_disable_device(pdev
);
4598 /* Null out PCI private reference to driver */
4599 pci_set_drvdata(pdev
, NULL
);
4605 * lpfc_reset_hba - Reset a hba
4606 * @phba: pointer to lpfc hba data structure.
4608 * This routine is invoked to reset a hba device. It brings the HBA
4609 * offline, performs a board restart, and then brings the board back
4610 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4611 * on outstanding mailbox commands.
4614 lpfc_reset_hba(struct lpfc_hba
*phba
)
4616 /* If resets are disabled then set error state and return. */
4617 if (!phba
->cfg_enable_hba_reset
) {
4618 phba
->link_state
= LPFC_HBA_ERROR
;
4621 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4623 lpfc_sli_brdrestart(phba
);
4625 lpfc_unblock_mgmt_io(phba
);
4629 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4630 * @phba: pointer to lpfc hba data structure.
4632 * This function enables the PCI SR-IOV virtual functions to a physical
4633 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4634 * enable the number of virtual functions to the physical function. As
4635 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4636 * API call does not considered as an error condition for most of the device.
4639 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4641 struct pci_dev
*pdev
= phba
->pcidev
;
4645 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4649 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4654 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4655 * @phba: pointer to lpfc hba data structure.
4656 * @nr_vfn: number of virtual functions to be enabled.
4658 * This function enables the PCI SR-IOV virtual functions to a physical
4659 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4660 * enable the number of virtual functions to the physical function. As
4661 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4662 * API call does not considered as an error condition for most of the device.
4665 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4667 struct pci_dev
*pdev
= phba
->pcidev
;
4668 uint16_t max_nr_vfn
;
4671 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4672 if (nr_vfn
> max_nr_vfn
) {
4673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4674 "3057 Requested vfs (%d) greater than "
4675 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4679 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4681 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4682 "2806 Failed to enable sriov on this device "
4683 "with vfn number nr_vf:%d, rc:%d\n",
4686 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4687 "2807 Successful enable sriov on this device "
4688 "with vfn number nr_vf:%d\n", nr_vfn
);
4693 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4694 * @phba: pointer to lpfc hba data structure.
4696 * This routine is invoked to set up the driver internal resources specific to
4697 * support the SLI-3 HBA device it attached to.
4701 * other values - error
4704 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4706 struct lpfc_sli
*psli
;
4710 * Initialize timers used by driver
4713 /* Heartbeat timer */
4714 init_timer(&phba
->hb_tmofunc
);
4715 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4716 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4719 /* MBOX heartbeat timer */
4720 init_timer(&psli
->mbox_tmo
);
4721 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4722 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4723 /* FCP polling mode timer */
4724 init_timer(&phba
->fcp_poll_timer
);
4725 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4726 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4727 /* Fabric block timer */
4728 init_timer(&phba
->fabric_block_timer
);
4729 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4730 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4731 /* EA polling mode timer */
4732 init_timer(&phba
->eratt_poll
);
4733 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4734 phba
->eratt_poll
.data
= (unsigned long) phba
;
4736 /* Host attention work mask setup */
4737 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4738 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4740 /* Get all the module params for configuring this host */
4741 lpfc_get_cfgparam(phba
);
4742 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4743 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4744 /* check for menlo minimum sg count */
4745 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4746 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4749 if (!phba
->sli
.ring
)
4750 phba
->sli
.ring
= (struct lpfc_sli_ring
*)
4751 kzalloc(LPFC_SLI3_MAX_RING
*
4752 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4753 if (!phba
->sli
.ring
)
4757 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4758 * used to create the sg_dma_buf_pool must be dynamically calculated.
4761 /* Initialize the host templates the configured values. */
4762 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4763 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4765 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
4766 if (phba
->cfg_enable_bg
) {
4768 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4769 * the FCP rsp, and a BDE for each. Sice we have no control
4770 * over how many protection data segments the SCSI Layer
4771 * will hand us (ie: there could be one for every block
4772 * in the IO), we just allocate enough BDEs to accomidate
4773 * our max amount and we need to limit lpfc_sg_seg_cnt to
4774 * minimize the risk of running out.
4776 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4777 sizeof(struct fcp_rsp
) +
4778 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
4780 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
4781 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
4783 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4784 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4787 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4788 * the FCP rsp, a BDE for each, and a BDE for up to
4789 * cfg_sg_seg_cnt data segments.
4791 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4792 sizeof(struct fcp_rsp
) +
4793 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4795 /* Total BDEs in BPL for scsi_sg_list */
4796 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
4799 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
4800 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4801 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
4802 phba
->cfg_total_seg_cnt
);
4804 phba
->max_vpi
= LPFC_MAX_VPI
;
4805 /* This will be set to correct value after config_port mbox */
4806 phba
->max_vports
= 0;
4809 * Initialize the SLI Layer to run with lpfc HBAs.
4811 lpfc_sli_setup(phba
);
4812 lpfc_sli_queue_setup(phba
);
4814 /* Allocate device driver memory */
4815 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4819 * Enable sr-iov virtual functions if supported and configured
4820 * through the module parameter.
4822 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4823 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4824 phba
->cfg_sriov_nr_virtfn
);
4826 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4827 "2808 Requested number of SR-IOV "
4828 "virtual functions (%d) is not "
4830 phba
->cfg_sriov_nr_virtfn
);
4831 phba
->cfg_sriov_nr_virtfn
= 0;
4839 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4840 * @phba: pointer to lpfc hba data structure.
4842 * This routine is invoked to unset the driver internal resources set up
4843 * specific for supporting the SLI-3 HBA device it attached to.
4846 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4848 /* Free device driver memory allocated */
4849 lpfc_mem_free_all(phba
);
4855 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4856 * @phba: pointer to lpfc hba data structure.
4858 * This routine is invoked to set up the driver internal resources specific to
4859 * support the SLI-4 HBA device it attached to.
4863 * other values - error
4866 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4868 struct lpfc_vector_map_info
*cpup
;
4869 struct lpfc_sli
*psli
;
4870 LPFC_MBOXQ_t
*mboxq
;
4871 int rc
, i
, hbq_count
, max_buf_size
;
4872 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4873 struct lpfc_mqe
*mqe
;
4876 /* Before proceed, wait for POST done and device ready */
4877 rc
= lpfc_sli4_post_status_check(phba
);
4882 * Initialize timers used by driver
4885 /* Heartbeat timer */
4886 init_timer(&phba
->hb_tmofunc
);
4887 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4888 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4889 init_timer(&phba
->rrq_tmr
);
4890 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4891 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4894 /* MBOX heartbeat timer */
4895 init_timer(&psli
->mbox_tmo
);
4896 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4897 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4898 /* Fabric block timer */
4899 init_timer(&phba
->fabric_block_timer
);
4900 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4901 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4902 /* EA polling mode timer */
4903 init_timer(&phba
->eratt_poll
);
4904 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4905 phba
->eratt_poll
.data
= (unsigned long) phba
;
4906 /* FCF rediscover timer */
4907 init_timer(&phba
->fcf
.redisc_wait
);
4908 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4909 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4912 * Control structure for handling external multi-buffer mailbox
4913 * command pass-through.
4915 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4916 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4917 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4920 * We need to do a READ_CONFIG mailbox command here before
4921 * calling lpfc_get_cfgparam. For VFs this will report the
4922 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4923 * All of the resources allocated
4924 * for this Port are tied to these values.
4926 /* Get all the module params for configuring this host */
4927 lpfc_get_cfgparam(phba
);
4928 phba
->max_vpi
= LPFC_MAX_VPI
;
4930 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4931 phba
->cfg_fcp_io_channel
= phba
->cfg_fcp_eq_count
;
4933 /* This will be set to correct value after the read_config mbox */
4934 phba
->max_vports
= 0;
4936 /* Program the default value of vlan_id and fc_map */
4937 phba
->valid_vlan
= 0;
4938 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4939 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4940 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4943 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4944 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4946 if (!phba
->sli
.ring
)
4947 phba
->sli
.ring
= kzalloc(
4948 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
4949 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4950 if (!phba
->sli
.ring
)
4954 * It doesn't matter what family our adapter is in, we are
4955 * limited to 2 Pages, 512 SGEs, for our SGL.
4956 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
4958 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
4959 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
4960 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
4963 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4964 * used to create the sg_dma_buf_pool must be dynamically calculated.
4967 if (phba
->cfg_enable_bg
) {
4969 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4970 * the FCP rsp, and a SGE for each. Sice we have no control
4971 * over how many protection data segments the SCSI Layer
4972 * will hand us (ie: there could be one for every block
4973 * in the IO), we just allocate enough SGEs to accomidate
4974 * our max amount and we need to limit lpfc_sg_seg_cnt to
4975 * minimize the risk of running out.
4977 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4978 sizeof(struct fcp_rsp
) + max_buf_size
;
4980 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
4981 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
4983 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
4984 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
4987 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4988 * the FCP rsp, a SGE for each, and a SGE for up to
4989 * cfg_sg_seg_cnt data segments.
4991 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4992 sizeof(struct fcp_rsp
) +
4993 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
4995 /* Total SGEs for scsi_sg_list */
4996 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
4998 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
4999 * to post 1 page for the SGL.
5003 /* Initialize the host templates with the updated values. */
5004 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5005 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5007 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5008 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5010 phba
->cfg_sg_dma_buf_size
=
5011 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5013 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5014 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5015 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5016 phba
->cfg_total_seg_cnt
);
5018 /* Initialize buffer queue management fields */
5019 hbq_count
= lpfc_sli_hbq_count();
5020 for (i
= 0; i
< hbq_count
; ++i
)
5021 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5022 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5023 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5024 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5027 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5029 /* Initialize the Abort scsi buffer list used by driver */
5030 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5031 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5032 /* This abort list used by worker thread */
5033 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
5036 * Initialize driver internal slow-path work queues
5039 /* Driver internel slow-path CQ Event pool */
5040 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5041 /* Response IOCB work queue list */
5042 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5043 /* Asynchronous event CQ Event work queue list */
5044 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5045 /* Fast-path XRI aborted CQ Event work queue list */
5046 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5047 /* Slow-path XRI aborted CQ Event work queue list */
5048 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5049 /* Receive queue CQ Event work queue list */
5050 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5052 /* Initialize extent block lists. */
5053 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5054 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5055 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5056 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5058 /* Initialize the driver internal SLI layer lists. */
5059 lpfc_sli_setup(phba
);
5060 lpfc_sli_queue_setup(phba
);
5062 /* Allocate device driver memory */
5063 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5067 /* IF Type 2 ports get initialized now. */
5068 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5069 LPFC_SLI_INTF_IF_TYPE_2
) {
5070 rc
= lpfc_pci_function_reset(phba
);
5075 /* Create the bootstrap mailbox command */
5076 rc
= lpfc_create_bootstrap_mbox(phba
);
5080 /* Set up the host's endian order with the device. */
5081 rc
= lpfc_setup_endian_order(phba
);
5083 goto out_free_bsmbx
;
5085 /* Set up the hba's configuration parameters. */
5086 rc
= lpfc_sli4_read_config(phba
);
5088 goto out_free_bsmbx
;
5090 /* IF Type 0 ports get initialized now. */
5091 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5092 LPFC_SLI_INTF_IF_TYPE_0
) {
5093 rc
= lpfc_pci_function_reset(phba
);
5095 goto out_free_bsmbx
;
5098 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5102 goto out_free_bsmbx
;
5105 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5106 lpfc_supported_pages(mboxq
);
5107 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5109 mqe
= &mboxq
->u
.mqe
;
5110 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5111 LPFC_MAX_SUPPORTED_PAGES
);
5112 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5113 switch (pn_page
[i
]) {
5114 case LPFC_SLI4_PARAMETERS
:
5115 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
5121 /* Read the port's SLI4 Parameters capabilities if supported. */
5122 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
5123 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5125 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5127 goto out_free_bsmbx
;
5131 * Get sli4 parameters that override parameters from Port capabilities.
5132 * If this call fails, it isn't critical unless the SLI4 parameters come
5135 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5137 if (phba
->sli4_hba
.extents_in_use
&&
5138 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5139 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5140 "2999 Unsupported SLI4 Parameters "
5141 "Extents and RPI headers enabled.\n");
5142 goto out_free_bsmbx
;
5145 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5146 /* Verify all the SLI4 queues */
5147 rc
= lpfc_sli4_queue_verify(phba
);
5149 goto out_free_bsmbx
;
5151 /* Create driver internal CQE event pool */
5152 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5154 goto out_free_bsmbx
;
5156 /* Initialize sgl lists per host */
5157 lpfc_init_sgl_list(phba
);
5159 /* Allocate and initialize active sgl array */
5160 rc
= lpfc_init_active_sgl_array(phba
);
5162 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5163 "1430 Failed to initialize sgl list.\n");
5164 goto out_destroy_cq_event_pool
;
5166 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5168 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5169 "1432 Failed to initialize rpi headers.\n");
5170 goto out_free_active_sgl
;
5173 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5174 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5175 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5177 if (!phba
->fcf
.fcf_rr_bmask
) {
5178 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5179 "2759 Failed allocate memory for FCF round "
5180 "robin failover bmask\n");
5182 goto out_remove_rpi_hdrs
;
5185 phba
->sli4_hba
.fcp_eq_hdl
=
5186 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5187 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5188 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5189 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5190 "2572 Failed allocate memory for "
5191 "fast-path per-EQ handle array\n");
5193 goto out_free_fcf_rr_bmask
;
5196 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5197 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5198 if (!phba
->sli4_hba
.msix_entries
) {
5199 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5200 "2573 Failed allocate memory for msi-x "
5201 "interrupt vector entries\n");
5203 goto out_free_fcp_eq_hdl
;
5206 phba
->sli4_hba
.cpu_map
= kzalloc((sizeof(struct lpfc_vector_map_info
) *
5207 phba
->sli4_hba
.num_present_cpu
),
5209 if (!phba
->sli4_hba
.cpu_map
) {
5210 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5211 "3327 Failed allocate memory for msi-x "
5212 "interrupt vector mapping\n");
5216 /* Initialize io channels for round robin */
5217 cpup
= phba
->sli4_hba
.cpu_map
;
5219 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
5220 cpup
->channel_id
= rc
;
5222 if (rc
>= phba
->cfg_fcp_io_channel
)
5227 * Enable sr-iov virtual functions if supported and configured
5228 * through the module parameter.
5230 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5231 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5232 phba
->cfg_sriov_nr_virtfn
);
5234 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5235 "3020 Requested number of SR-IOV "
5236 "virtual functions (%d) is not "
5238 phba
->cfg_sriov_nr_virtfn
);
5239 phba
->cfg_sriov_nr_virtfn
= 0;
5246 kfree(phba
->sli4_hba
.msix_entries
);
5247 out_free_fcp_eq_hdl
:
5248 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5249 out_free_fcf_rr_bmask
:
5250 kfree(phba
->fcf
.fcf_rr_bmask
);
5251 out_remove_rpi_hdrs
:
5252 lpfc_sli4_remove_rpi_hdrs(phba
);
5253 out_free_active_sgl
:
5254 lpfc_free_active_sgl(phba
);
5255 out_destroy_cq_event_pool
:
5256 lpfc_sli4_cq_event_pool_destroy(phba
);
5258 lpfc_destroy_bootstrap_mbox(phba
);
5260 lpfc_mem_free(phba
);
5265 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5266 * @phba: pointer to lpfc hba data structure.
5268 * This routine is invoked to unset the driver internal resources set up
5269 * specific for supporting the SLI-4 HBA device it attached to.
5272 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5274 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5276 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5277 kfree(phba
->sli4_hba
.cpu_map
);
5278 phba
->sli4_hba
.num_present_cpu
= 0;
5279 phba
->sli4_hba
.num_online_cpu
= 0;
5281 /* Free memory allocated for msi-x interrupt vector entries */
5282 kfree(phba
->sli4_hba
.msix_entries
);
5284 /* Free memory allocated for fast-path work queue handles */
5285 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5287 /* Free the allocated rpi headers. */
5288 lpfc_sli4_remove_rpi_hdrs(phba
);
5289 lpfc_sli4_remove_rpis(phba
);
5291 /* Free eligible FCF index bmask */
5292 kfree(phba
->fcf
.fcf_rr_bmask
);
5294 /* Free the ELS sgl list */
5295 lpfc_free_active_sgl(phba
);
5296 lpfc_free_els_sgl_list(phba
);
5298 /* Free the completion queue EQ event pool */
5299 lpfc_sli4_cq_event_release_all(phba
);
5300 lpfc_sli4_cq_event_pool_destroy(phba
);
5302 /* Release resource identifiers. */
5303 lpfc_sli4_dealloc_resource_identifiers(phba
);
5305 /* Free the bsmbx region. */
5306 lpfc_destroy_bootstrap_mbox(phba
);
5308 /* Free the SLI Layer memory with SLI4 HBAs */
5309 lpfc_mem_free_all(phba
);
5311 /* Free the current connect table */
5312 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5313 &phba
->fcf_conn_rec_list
, list
) {
5314 list_del_init(&conn_entry
->list
);
5322 * lpfc_init_api_table_setup - Set up init api function jump table
5323 * @phba: The hba struct for which this call is being executed.
5324 * @dev_grp: The HBA PCI-Device group number.
5326 * This routine sets up the device INIT interface API function jump table
5329 * Returns: 0 - success, -ENODEV - failure.
5332 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5334 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5335 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5336 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5338 case LPFC_PCI_DEV_LP
:
5339 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5340 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5341 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5343 case LPFC_PCI_DEV_OC
:
5344 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5345 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5346 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5349 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5350 "1431 Invalid HBA PCI-device group: 0x%x\n",
5359 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5360 * @phba: pointer to lpfc hba data structure.
5362 * This routine is invoked to set up the driver internal resources before the
5363 * device specific resource setup to support the HBA device it attached to.
5367 * other values - error
5370 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5373 * Driver resources common to all SLI revisions
5375 atomic_set(&phba
->fast_event_count
, 0);
5376 spin_lock_init(&phba
->hbalock
);
5378 /* Initialize ndlp management spinlock */
5379 spin_lock_init(&phba
->ndlp_lock
);
5381 INIT_LIST_HEAD(&phba
->port_list
);
5382 INIT_LIST_HEAD(&phba
->work_list
);
5383 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5385 /* Initialize the wait queue head for the kernel thread */
5386 init_waitqueue_head(&phba
->work_waitq
);
5388 /* Initialize the scsi buffer list used by driver for scsi IO */
5389 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5390 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5391 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5392 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5394 /* Initialize the fabric iocb list */
5395 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5397 /* Initialize list to save ELS buffers */
5398 INIT_LIST_HEAD(&phba
->elsbuf
);
5400 /* Initialize FCF connection rec list */
5401 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5407 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5408 * @phba: pointer to lpfc hba data structure.
5410 * This routine is invoked to set up the driver internal resources after the
5411 * device specific resource setup to support the HBA device it attached to.
5415 * other values - error
5418 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5422 /* Startup the kernel thread for this host adapter. */
5423 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5424 "lpfc_worker_%d", phba
->brd_no
);
5425 if (IS_ERR(phba
->worker_thread
)) {
5426 error
= PTR_ERR(phba
->worker_thread
);
5434 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5435 * @phba: pointer to lpfc hba data structure.
5437 * This routine is invoked to unset the driver internal resources set up after
5438 * the device specific resource setup for supporting the HBA device it
5442 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5444 /* Stop kernel worker thread */
5445 kthread_stop(phba
->worker_thread
);
5449 * lpfc_free_iocb_list - Free iocb list.
5450 * @phba: pointer to lpfc hba data structure.
5452 * This routine is invoked to free the driver's IOCB list and memory.
5455 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5457 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5459 spin_lock_irq(&phba
->hbalock
);
5460 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5461 &phba
->lpfc_iocb_list
, list
) {
5462 list_del(&iocbq_entry
->list
);
5464 phba
->total_iocbq_bufs
--;
5466 spin_unlock_irq(&phba
->hbalock
);
5472 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5473 * @phba: pointer to lpfc hba data structure.
5475 * This routine is invoked to allocate and initizlize the driver's IOCB
5476 * list and set up the IOCB tag array accordingly.
5480 * other values - error
5483 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5485 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5489 /* Initialize and populate the iocb list per host. */
5490 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5491 for (i
= 0; i
< iocb_count
; i
++) {
5492 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5493 if (iocbq_entry
== NULL
) {
5494 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5495 "expected %d count. Unloading driver.\n",
5496 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5497 goto out_free_iocbq
;
5500 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5503 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5504 "Unloading driver.\n", __func__
);
5505 goto out_free_iocbq
;
5507 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5508 iocbq_entry
->sli4_xritag
= NO_XRI
;
5510 spin_lock_irq(&phba
->hbalock
);
5511 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5512 phba
->total_iocbq_bufs
++;
5513 spin_unlock_irq(&phba
->hbalock
);
5519 lpfc_free_iocb_list(phba
);
5525 * lpfc_free_sgl_list - Free a given sgl list.
5526 * @phba: pointer to lpfc hba data structure.
5527 * @sglq_list: pointer to the head of sgl list.
5529 * This routine is invoked to free a give sgl list and memory.
5532 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5534 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5536 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5537 list_del(&sglq_entry
->list
);
5538 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5544 * lpfc_free_els_sgl_list - Free els sgl list.
5545 * @phba: pointer to lpfc hba data structure.
5547 * This routine is invoked to free the driver's els sgl list and memory.
5550 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5552 LIST_HEAD(sglq_list
);
5554 /* Retrieve all els sgls from driver list */
5555 spin_lock_irq(&phba
->hbalock
);
5556 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5557 spin_unlock_irq(&phba
->hbalock
);
5559 /* Now free the sgl list */
5560 lpfc_free_sgl_list(phba
, &sglq_list
);
5564 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5565 * @phba: pointer to lpfc hba data structure.
5567 * This routine is invoked to allocate the driver's active sgl memory.
5568 * This array will hold the sglq_entry's for active IOs.
5571 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5574 size
= sizeof(struct lpfc_sglq
*);
5575 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5577 phba
->sli4_hba
.lpfc_sglq_active_list
=
5578 kzalloc(size
, GFP_KERNEL
);
5579 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5585 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5586 * @phba: pointer to lpfc hba data structure.
5588 * This routine is invoked to walk through the array of active sglq entries
5589 * and free all of the resources.
5590 * This is just a place holder for now.
5593 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5595 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5599 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5600 * @phba: pointer to lpfc hba data structure.
5602 * This routine is invoked to allocate and initizlize the driver's sgl
5603 * list and set up the sgl xritag tag array accordingly.
5607 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5609 /* Initialize and populate the sglq list per host/VF. */
5610 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5611 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5613 /* els xri-sgl book keeping */
5614 phba
->sli4_hba
.els_xri_cnt
= 0;
5616 /* scsi xri-buffer book keeping */
5617 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5621 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5622 * @phba: pointer to lpfc hba data structure.
5624 * This routine is invoked to post rpi header templates to the
5625 * port for those SLI4 ports that do not support extents. This routine
5626 * posts a PAGE_SIZE memory region to the port to hold up to
5627 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5628 * and should be called only when interrupts are disabled.
5632 * -ERROR - otherwise.
5635 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5638 struct lpfc_rpi_hdr
*rpi_hdr
;
5640 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5641 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5643 if (phba
->sli4_hba
.extents_in_use
)
5646 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5648 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5649 "0391 Error during rpi post operation\n");
5650 lpfc_sli4_remove_rpis(phba
);
5658 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5659 * @phba: pointer to lpfc hba data structure.
5661 * This routine is invoked to allocate a single 4KB memory region to
5662 * support rpis and stores them in the phba. This single region
5663 * provides support for up to 64 rpis. The region is used globally
5667 * A valid rpi hdr on success.
5668 * A NULL pointer on any failure.
5670 struct lpfc_rpi_hdr
*
5671 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5673 uint16_t rpi_limit
, curr_rpi_range
;
5674 struct lpfc_dmabuf
*dmabuf
;
5675 struct lpfc_rpi_hdr
*rpi_hdr
;
5679 * If the SLI4 port supports extents, posting the rpi header isn't
5680 * required. Set the expected maximum count and let the actual value
5681 * get set when extents are fully allocated.
5683 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5685 if (phba
->sli4_hba
.extents_in_use
)
5688 /* The limit on the logical index is just the max_rpi count. */
5689 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5690 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5692 spin_lock_irq(&phba
->hbalock
);
5694 * Establish the starting RPI in this header block. The starting
5695 * rpi is normalized to a zero base because the physical rpi is
5698 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5699 spin_unlock_irq(&phba
->hbalock
);
5702 * The port has a limited number of rpis. The increment here
5703 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5704 * and to allow the full max_rpi range per port.
5706 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5707 rpi_count
= rpi_limit
- curr_rpi_range
;
5709 rpi_count
= LPFC_RPI_HDR_COUNT
;
5714 * First allocate the protocol header region for the port. The
5715 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5717 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5721 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5722 LPFC_HDR_TEMPLATE_SIZE
,
5725 if (!dmabuf
->virt
) {
5727 goto err_free_dmabuf
;
5730 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5731 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5733 goto err_free_coherent
;
5736 /* Save the rpi header data for cleanup later. */
5737 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5739 goto err_free_coherent
;
5741 rpi_hdr
->dmabuf
= dmabuf
;
5742 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5743 rpi_hdr
->page_count
= 1;
5744 spin_lock_irq(&phba
->hbalock
);
5746 /* The rpi_hdr stores the logical index only. */
5747 rpi_hdr
->start_rpi
= curr_rpi_range
;
5748 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5751 * The next_rpi stores the next logical module-64 rpi value used
5752 * to post physical rpis in subsequent rpi postings.
5754 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5755 spin_unlock_irq(&phba
->hbalock
);
5759 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5760 dmabuf
->virt
, dmabuf
->phys
);
5767 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5768 * @phba: pointer to lpfc hba data structure.
5770 * This routine is invoked to remove all memory resources allocated
5771 * to support rpis for SLI4 ports not supporting extents. This routine
5772 * presumes the caller has released all rpis consumed by fabric or port
5773 * logins and is prepared to have the header pages removed.
5776 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5778 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5780 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5783 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5784 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5785 list_del(&rpi_hdr
->list
);
5786 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5787 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5788 kfree(rpi_hdr
->dmabuf
);
5792 /* There are no rpis available to the port now. */
5793 phba
->sli4_hba
.next_rpi
= 0;
5797 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5798 * @pdev: pointer to pci device data structure.
5800 * This routine is invoked to allocate the driver hba data structure for an
5801 * HBA device. If the allocation is successful, the phba reference to the
5802 * PCI device data structure is set.
5805 * pointer to @phba - successful
5808 static struct lpfc_hba
*
5809 lpfc_hba_alloc(struct pci_dev
*pdev
)
5811 struct lpfc_hba
*phba
;
5813 /* Allocate memory for HBA structure */
5814 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5816 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5820 /* Set reference to PCI device in HBA structure */
5821 phba
->pcidev
= pdev
;
5823 /* Assign an unused board number */
5824 phba
->brd_no
= lpfc_get_instance();
5825 if (phba
->brd_no
< 0) {
5830 spin_lock_init(&phba
->ct_ev_lock
);
5831 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5837 * lpfc_hba_free - Free driver hba data structure with a device.
5838 * @phba: pointer to lpfc hba data structure.
5840 * This routine is invoked to free the driver hba data structure with an
5844 lpfc_hba_free(struct lpfc_hba
*phba
)
5846 /* Release the driver assigned board number */
5847 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5849 /* Free memory allocated with sli rings */
5850 kfree(phba
->sli
.ring
);
5851 phba
->sli
.ring
= NULL
;
5858 * lpfc_create_shost - Create hba physical port with associated scsi host.
5859 * @phba: pointer to lpfc hba data structure.
5861 * This routine is invoked to create HBA physical port and associate a SCSI
5866 * other values - error
5869 lpfc_create_shost(struct lpfc_hba
*phba
)
5871 struct lpfc_vport
*vport
;
5872 struct Scsi_Host
*shost
;
5874 /* Initialize HBA FC structure */
5875 phba
->fc_edtov
= FF_DEF_EDTOV
;
5876 phba
->fc_ratov
= FF_DEF_RATOV
;
5877 phba
->fc_altov
= FF_DEF_ALTOV
;
5878 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5880 atomic_set(&phba
->sdev_cnt
, 0);
5881 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5885 shost
= lpfc_shost_from_vport(vport
);
5886 phba
->pport
= vport
;
5887 lpfc_debugfs_initialize(vport
);
5888 /* Put reference to SCSI host to driver's device private data */
5889 pci_set_drvdata(phba
->pcidev
, shost
);
5895 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5896 * @phba: pointer to lpfc hba data structure.
5898 * This routine is invoked to destroy HBA physical port and the associated
5902 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5904 struct lpfc_vport
*vport
= phba
->pport
;
5906 /* Destroy physical port that associated with the SCSI host */
5907 destroy_port(vport
);
5913 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5914 * @phba: pointer to lpfc hba data structure.
5915 * @shost: the shost to be used to detect Block guard settings.
5917 * This routine sets up the local Block guard protocol settings for @shost.
5918 * This routine also allocates memory for debugging bg buffers.
5921 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5927 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5928 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5929 "1478 Registering BlockGuard with the "
5932 old_mask
= lpfc_prot_mask
;
5933 old_guard
= lpfc_prot_guard
;
5935 /* Only allow supported values */
5936 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
5937 SHOST_DIX_TYPE0_PROTECTION
|
5938 SHOST_DIX_TYPE1_PROTECTION
);
5939 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
5941 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5942 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
5943 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
5945 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5946 if ((old_mask
!= lpfc_prot_mask
) ||
5947 (old_guard
!= lpfc_prot_guard
))
5948 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5949 "1475 Registering BlockGuard with the "
5950 "SCSI layer: mask %d guard %d\n",
5951 lpfc_prot_mask
, lpfc_prot_guard
);
5953 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5954 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5956 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5957 "1479 Not Registering BlockGuard with the SCSI "
5958 "layer, Bad protection parameters: %d %d\n",
5959 old_mask
, old_guard
);
5962 if (!_dump_buf_data
) {
5964 spin_lock_init(&_dump_buf_lock
);
5966 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5967 if (_dump_buf_data
) {
5968 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5969 "9043 BLKGRD: allocated %d pages for "
5970 "_dump_buf_data at 0x%p\n",
5971 (1 << pagecnt
), _dump_buf_data
);
5972 _dump_buf_data_order
= pagecnt
;
5973 memset(_dump_buf_data
, 0,
5974 ((1 << PAGE_SHIFT
) << pagecnt
));
5979 if (!_dump_buf_data_order
)
5980 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5981 "9044 BLKGRD: ERROR unable to allocate "
5982 "memory for hexdump\n");
5984 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5985 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5986 "\n", _dump_buf_data
);
5987 if (!_dump_buf_dif
) {
5990 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5991 if (_dump_buf_dif
) {
5992 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5993 "9046 BLKGRD: allocated %d pages for "
5994 "_dump_buf_dif at 0x%p\n",
5995 (1 << pagecnt
), _dump_buf_dif
);
5996 _dump_buf_dif_order
= pagecnt
;
5997 memset(_dump_buf_dif
, 0,
5998 ((1 << PAGE_SHIFT
) << pagecnt
));
6003 if (!_dump_buf_dif_order
)
6004 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6005 "9047 BLKGRD: ERROR unable to allocate "
6006 "memory for hexdump\n");
6008 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6009 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
6014 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6015 * @phba: pointer to lpfc hba data structure.
6017 * This routine is invoked to perform all the necessary post initialization
6018 * setup for the device.
6021 lpfc_post_init_setup(struct lpfc_hba
*phba
)
6023 struct Scsi_Host
*shost
;
6024 struct lpfc_adapter_event_header adapter_event
;
6026 /* Get the default values for Model Name and Description */
6027 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
6030 * hba setup may have changed the hba_queue_depth so we need to
6031 * adjust the value of can_queue.
6033 shost
= pci_get_drvdata(phba
->pcidev
);
6034 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6035 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6036 lpfc_setup_bg(phba
, shost
);
6038 lpfc_host_attrib_init(shost
);
6040 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6041 spin_lock_irq(shost
->host_lock
);
6042 lpfc_poll_start_timer(phba
);
6043 spin_unlock_irq(shost
->host_lock
);
6046 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6047 "0428 Perform SCSI scan\n");
6048 /* Send board arrival event to upper layer */
6049 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6050 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6051 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6052 sizeof(adapter_event
),
6053 (char *) &adapter_event
,
6059 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6060 * @phba: pointer to lpfc hba data structure.
6062 * This routine is invoked to set up the PCI device memory space for device
6063 * with SLI-3 interface spec.
6067 * other values - error
6070 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6072 struct pci_dev
*pdev
;
6073 unsigned long bar0map_len
, bar2map_len
;
6076 int error
= -ENODEV
;
6078 /* Obtain PCI device reference */
6082 pdev
= phba
->pcidev
;
6084 /* Set the device DMA mask size */
6085 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6086 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6087 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6088 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6093 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6094 * required by each mapping.
6096 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6097 bar0map_len
= pci_resource_len(pdev
, 0);
6099 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6100 bar2map_len
= pci_resource_len(pdev
, 2);
6102 /* Map HBA SLIM to a kernel virtual address. */
6103 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6104 if (!phba
->slim_memmap_p
) {
6105 dev_printk(KERN_ERR
, &pdev
->dev
,
6106 "ioremap failed for SLIM memory.\n");
6110 /* Map HBA Control Registers to a kernel virtual address. */
6111 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6112 if (!phba
->ctrl_regs_memmap_p
) {
6113 dev_printk(KERN_ERR
, &pdev
->dev
,
6114 "ioremap failed for HBA control registers.\n");
6115 goto out_iounmap_slim
;
6118 /* Allocate memory for SLI-2 structures */
6119 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
6123 if (!phba
->slim2p
.virt
)
6126 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
6127 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
6128 phba
->mbox_ext
= (phba
->slim2p
.virt
+
6129 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
6130 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
6131 phba
->IOCBs
= (phba
->slim2p
.virt
+
6132 offsetof(struct lpfc_sli2_slim
, IOCBs
));
6134 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
6135 lpfc_sli_hbq_size(),
6136 &phba
->hbqslimp
.phys
,
6138 if (!phba
->hbqslimp
.virt
)
6141 hbq_count
= lpfc_sli_hbq_count();
6142 ptr
= phba
->hbqslimp
.virt
;
6143 for (i
= 0; i
< hbq_count
; ++i
) {
6144 phba
->hbqs
[i
].hbq_virt
= ptr
;
6145 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
6146 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
6147 sizeof(struct lpfc_hbq_entry
));
6149 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
6150 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
6152 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6154 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6156 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6157 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6158 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6159 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6160 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6165 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6166 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6168 iounmap(phba
->ctrl_regs_memmap_p
);
6170 iounmap(phba
->slim_memmap_p
);
6176 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6177 * @phba: pointer to lpfc hba data structure.
6179 * This routine is invoked to unset the PCI device memory space for device
6180 * with SLI-3 interface spec.
6183 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6185 struct pci_dev
*pdev
;
6187 /* Obtain PCI device reference */
6191 pdev
= phba
->pcidev
;
6193 /* Free coherent DMA memory allocated */
6194 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6195 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6196 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6197 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6199 /* I/O memory unmap */
6200 iounmap(phba
->ctrl_regs_memmap_p
);
6201 iounmap(phba
->slim_memmap_p
);
6207 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6208 * @phba: pointer to lpfc hba data structure.
6210 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6211 * done and check status.
6213 * Return 0 if successful, otherwise -ENODEV.
6216 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6218 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6219 struct lpfc_register reg_data
;
6220 int i
, port_error
= 0;
6223 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6224 memset(®_data
, 0, sizeof(reg_data
));
6225 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6228 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6229 for (i
= 0; i
< 3000; i
++) {
6230 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6231 &portsmphr_reg
.word0
) ||
6232 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6233 /* Port has a fatal POST error, break out */
6234 port_error
= -ENODEV
;
6237 if (LPFC_POST_STAGE_PORT_READY
==
6238 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6244 * If there was a port error during POST, then don't proceed with
6245 * other register reads as the data may not be valid. Just exit.
6248 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6249 "1408 Port Failed POST - portsmphr=0x%x, "
6250 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6251 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6252 portsmphr_reg
.word0
,
6253 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6254 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6255 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6256 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6257 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6258 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6259 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6260 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6262 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6263 "2534 Device Info: SLIFamily=0x%x, "
6264 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6265 "SLIHint_2=0x%x, FT=0x%x\n",
6266 bf_get(lpfc_sli_intf_sli_family
,
6267 &phba
->sli4_hba
.sli_intf
),
6268 bf_get(lpfc_sli_intf_slirev
,
6269 &phba
->sli4_hba
.sli_intf
),
6270 bf_get(lpfc_sli_intf_if_type
,
6271 &phba
->sli4_hba
.sli_intf
),
6272 bf_get(lpfc_sli_intf_sli_hint1
,
6273 &phba
->sli4_hba
.sli_intf
),
6274 bf_get(lpfc_sli_intf_sli_hint2
,
6275 &phba
->sli4_hba
.sli_intf
),
6276 bf_get(lpfc_sli_intf_func_type
,
6277 &phba
->sli4_hba
.sli_intf
));
6279 * Check for other Port errors during the initialization
6280 * process. Fail the load if the port did not come up
6283 if_type
= bf_get(lpfc_sli_intf_if_type
,
6284 &phba
->sli4_hba
.sli_intf
);
6286 case LPFC_SLI_INTF_IF_TYPE_0
:
6287 phba
->sli4_hba
.ue_mask_lo
=
6288 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6289 phba
->sli4_hba
.ue_mask_hi
=
6290 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6292 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6294 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6295 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6296 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6298 "1422 Unrecoverable Error "
6299 "Detected during POST "
6300 "uerr_lo_reg=0x%x, "
6301 "uerr_hi_reg=0x%x, "
6302 "ue_mask_lo_reg=0x%x, "
6303 "ue_mask_hi_reg=0x%x\n",
6306 phba
->sli4_hba
.ue_mask_lo
,
6307 phba
->sli4_hba
.ue_mask_hi
);
6308 port_error
= -ENODEV
;
6311 case LPFC_SLI_INTF_IF_TYPE_2
:
6312 /* Final checks. The port status should be clean. */
6313 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6315 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6316 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6317 phba
->work_status
[0] =
6318 readl(phba
->sli4_hba
.u
.if_type2
.
6320 phba
->work_status
[1] =
6321 readl(phba
->sli4_hba
.u
.if_type2
.
6323 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6324 "2888 Unrecoverable port error "
6325 "following POST: port status reg "
6326 "0x%x, port_smphr reg 0x%x, "
6327 "error 1=0x%x, error 2=0x%x\n",
6329 portsmphr_reg
.word0
,
6330 phba
->work_status
[0],
6331 phba
->work_status
[1]);
6332 port_error
= -ENODEV
;
6335 case LPFC_SLI_INTF_IF_TYPE_1
:
6344 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6345 * @phba: pointer to lpfc hba data structure.
6346 * @if_type: The SLI4 interface type getting configured.
6348 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6352 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6355 case LPFC_SLI_INTF_IF_TYPE_0
:
6356 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6357 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6358 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6359 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6360 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6361 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6362 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6363 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6364 phba
->sli4_hba
.SLIINTFregaddr
=
6365 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6367 case LPFC_SLI_INTF_IF_TYPE_2
:
6368 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6369 phba
->sli4_hba
.conf_regs_memmap_p
+
6370 LPFC_CTL_PORT_ER1_OFFSET
;
6371 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6372 phba
->sli4_hba
.conf_regs_memmap_p
+
6373 LPFC_CTL_PORT_ER2_OFFSET
;
6374 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6375 phba
->sli4_hba
.conf_regs_memmap_p
+
6376 LPFC_CTL_PORT_CTL_OFFSET
;
6377 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6378 phba
->sli4_hba
.conf_regs_memmap_p
+
6379 LPFC_CTL_PORT_STA_OFFSET
;
6380 phba
->sli4_hba
.SLIINTFregaddr
=
6381 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6382 phba
->sli4_hba
.PSMPHRregaddr
=
6383 phba
->sli4_hba
.conf_regs_memmap_p
+
6384 LPFC_CTL_PORT_SEM_OFFSET
;
6385 phba
->sli4_hba
.RQDBregaddr
=
6386 phba
->sli4_hba
.conf_regs_memmap_p
+
6387 LPFC_ULP0_RQ_DOORBELL
;
6388 phba
->sli4_hba
.WQDBregaddr
=
6389 phba
->sli4_hba
.conf_regs_memmap_p
+
6390 LPFC_ULP0_WQ_DOORBELL
;
6391 phba
->sli4_hba
.EQCQDBregaddr
=
6392 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6393 phba
->sli4_hba
.MQDBregaddr
=
6394 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6395 phba
->sli4_hba
.BMBXregaddr
=
6396 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6398 case LPFC_SLI_INTF_IF_TYPE_1
:
6400 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6401 "FATAL - unsupported SLI4 interface type - %d\n",
6408 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6409 * @phba: pointer to lpfc hba data structure.
6411 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6415 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6417 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6418 LPFC_SLIPORT_IF0_SMPHR
;
6419 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6421 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6423 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6428 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6429 * @phba: pointer to lpfc hba data structure.
6430 * @vf: virtual function number
6432 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6433 * based on the given viftual function number, @vf.
6435 * Return 0 if successful, otherwise -ENODEV.
6438 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6440 if (vf
> LPFC_VIR_FUNC_MAX
)
6443 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6444 vf
* LPFC_VFR_PAGE_SIZE
+
6445 LPFC_ULP0_RQ_DOORBELL
);
6446 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6447 vf
* LPFC_VFR_PAGE_SIZE
+
6448 LPFC_ULP0_WQ_DOORBELL
);
6449 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6450 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6451 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6452 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6453 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6454 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6459 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6460 * @phba: pointer to lpfc hba data structure.
6462 * This routine is invoked to create the bootstrap mailbox
6463 * region consistent with the SLI-4 interface spec. This
6464 * routine allocates all memory necessary to communicate
6465 * mailbox commands to the port and sets up all alignment
6466 * needs. No locks are expected to be held when calling
6471 * -ENOMEM - could not allocated memory.
6474 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6477 struct lpfc_dmabuf
*dmabuf
;
6478 struct dma_address
*dma_address
;
6482 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6487 * The bootstrap mailbox region is comprised of 2 parts
6488 * plus an alignment restriction of 16 bytes.
6490 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6491 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
6495 if (!dmabuf
->virt
) {
6499 memset(dmabuf
->virt
, 0, bmbx_size
);
6502 * Initialize the bootstrap mailbox pointers now so that the register
6503 * operations are simple later. The mailbox dma address is required
6504 * to be 16-byte aligned. Also align the virtual memory as each
6505 * maibox is copied into the bmbx mailbox region before issuing the
6506 * command to the port.
6508 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6509 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6511 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6512 LPFC_ALIGN_16_BYTE
);
6513 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6514 LPFC_ALIGN_16_BYTE
);
6517 * Set the high and low physical addresses now. The SLI4 alignment
6518 * requirement is 16 bytes and the mailbox is posted to the port
6519 * as two 30-bit addresses. The other data is a bit marking whether
6520 * the 30-bit address is the high or low address.
6521 * Upcast bmbx aphys to 64bits so shift instruction compiles
6522 * clean on 32 bit machines.
6524 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6525 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6526 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6527 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6528 LPFC_BMBX_BIT1_ADDR_HI
);
6530 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6531 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6532 LPFC_BMBX_BIT1_ADDR_LO
);
6537 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6538 * @phba: pointer to lpfc hba data structure.
6540 * This routine is invoked to teardown the bootstrap mailbox
6541 * region and release all host resources. This routine requires
6542 * the caller to ensure all mailbox commands recovered, no
6543 * additional mailbox comands are sent, and interrupts are disabled
6544 * before calling this routine.
6548 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6550 dma_free_coherent(&phba
->pcidev
->dev
,
6551 phba
->sli4_hba
.bmbx
.bmbx_size
,
6552 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6553 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6555 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6556 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6560 * lpfc_sli4_read_config - Get the config parameters.
6561 * @phba: pointer to lpfc hba data structure.
6563 * This routine is invoked to read the configuration parameters from the HBA.
6564 * The configuration parameters are used to set the base and maximum values
6565 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6566 * allocation for the port.
6570 * -ENOMEM - No available memory
6571 * -EIO - The mailbox failed to complete successfully.
6574 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6577 struct lpfc_mbx_read_config
*rd_config
;
6578 union lpfc_sli4_cfg_shdr
*shdr
;
6579 uint32_t shdr_status
, shdr_add_status
;
6580 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6581 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6583 uint32_t desc_count
;
6584 int length
, i
, rc
= 0, rc2
;
6586 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6588 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6589 "2011 Unable to allocate memory for issuing "
6590 "SLI_CONFIG_SPECIAL mailbox command\n");
6594 lpfc_read_config(phba
, pmb
);
6596 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6597 if (rc
!= MBX_SUCCESS
) {
6598 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6599 "2012 Mailbox failed , mbxCmd x%x "
6600 "READ_CONFIG, mbxStatus x%x\n",
6601 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6602 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6605 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6606 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6607 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6608 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6609 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6610 phba
->sli4_hba
.lnk_info
.lnk_no
=
6611 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6612 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6613 "3081 lnk_type:%d, lnk_numb:%d\n",
6614 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6615 phba
->sli4_hba
.lnk_info
.lnk_no
);
6617 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6618 "3082 Mailbox (x%x) returned ldv:x0\n",
6619 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6620 phba
->sli4_hba
.extents_in_use
=
6621 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6622 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6623 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6624 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6625 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6626 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6627 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6628 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6629 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6630 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6631 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6632 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6633 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6634 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6635 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6636 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6637 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6638 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6639 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6640 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6641 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6642 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6643 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6644 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6645 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6646 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6647 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6648 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6649 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6650 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6651 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6652 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6653 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6654 phba
->max_vports
= phba
->max_vpi
;
6655 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6656 "2003 cfg params Extents? %d "
6662 phba
->sli4_hba
.extents_in_use
,
6663 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6664 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6665 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6666 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6667 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6668 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6669 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6670 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6671 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6677 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6678 if (phba
->cfg_hba_queue_depth
>
6679 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6680 lpfc_sli4_get_els_iocb_cnt(phba
)))
6681 phba
->cfg_hba_queue_depth
=
6682 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6683 lpfc_sli4_get_els_iocb_cnt(phba
);
6685 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6686 LPFC_SLI_INTF_IF_TYPE_2
)
6689 /* get the pf# and vf# for SLI4 if_type 2 port */
6690 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6691 sizeof(struct lpfc_sli4_cfg_mhdr
));
6692 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6693 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6694 length
, LPFC_SLI4_MBX_EMBED
);
6696 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6697 shdr
= (union lpfc_sli4_cfg_shdr
*)
6698 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6699 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6700 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6701 if (rc2
|| shdr_status
|| shdr_add_status
) {
6702 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6703 "3026 Mailbox failed , mbxCmd x%x "
6704 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6705 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6706 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6710 /* search for fc_fcoe resrouce descriptor */
6711 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6712 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6714 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6715 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6716 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6717 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6718 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6719 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6722 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6723 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6724 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6725 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6726 phba
->sli4_hba
.iov
.pf_number
=
6727 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6728 phba
->sli4_hba
.iov
.vf_number
=
6729 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6734 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6735 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6736 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6737 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6738 phba
->sli4_hba
.iov
.vf_number
);
6740 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6741 "3028 GET_FUNCTION_CONFIG: failed to find "
6742 "Resrouce Descriptor:x%x\n",
6743 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6746 mempool_free(pmb
, phba
->mbox_mem_pool
);
6751 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6752 * @phba: pointer to lpfc hba data structure.
6754 * This routine is invoked to setup the port-side endian order when
6755 * the port if_type is 0. This routine has no function for other
6760 * -ENOMEM - No available memory
6761 * -EIO - The mailbox failed to complete successfully.
6764 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6766 LPFC_MBOXQ_t
*mboxq
;
6767 uint32_t if_type
, rc
= 0;
6768 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6769 HOST_ENDIAN_HIGH_WORD1
};
6771 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6773 case LPFC_SLI_INTF_IF_TYPE_0
:
6774 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6777 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6778 "0492 Unable to allocate memory for "
6779 "issuing SLI_CONFIG_SPECIAL mailbox "
6785 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6786 * two words to contain special data values and no other data.
6788 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6789 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6790 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6791 if (rc
!= MBX_SUCCESS
) {
6792 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6793 "0493 SLI_CONFIG_SPECIAL mailbox "
6794 "failed with status x%x\n",
6798 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6800 case LPFC_SLI_INTF_IF_TYPE_2
:
6801 case LPFC_SLI_INTF_IF_TYPE_1
:
6809 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6810 * @phba: pointer to lpfc hba data structure.
6812 * This routine is invoked to check the user settable queue counts for EQs and
6813 * CQs. after this routine is called the counts will be set to valid values that
6814 * adhere to the constraints of the system's interrupt vectors and the port's
6819 * -ENOMEM - No available memory
6822 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6824 int cfg_fcp_io_channel
;
6831 * Sanity check for configured queue parameters against the run-time
6835 /* Sanity check on HBA EQ parameters */
6836 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
6838 /* It doesn't make sense to have more io channels then online CPUs */
6839 for_each_present_cpu(cpu
) {
6840 if (cpu_online(cpu
))
6844 phba
->sli4_hba
.num_online_cpu
= i
;
6845 phba
->sli4_hba
.num_present_cpu
= j
;
6847 if (i
< cfg_fcp_io_channel
) {
6848 lpfc_printf_log(phba
,
6850 "3188 Reducing IO channels to match number of "
6851 "online CPUs: from %d to %d\n",
6852 cfg_fcp_io_channel
, i
);
6853 cfg_fcp_io_channel
= i
;
6856 if (cfg_fcp_io_channel
>
6857 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
6858 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
6859 LPFC_FCP_IO_CHAN_MIN
) {
6860 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6861 "2574 Not enough EQs (%d) from the "
6862 "pci function for supporting FCP "
6864 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6865 phba
->cfg_fcp_io_channel
);
6868 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6869 "2575 Reducing IO channels to match number of "
6870 "available EQs: from %d to %d\n",
6872 phba
->sli4_hba
.max_cfg_param
.max_eq
);
6873 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
;
6876 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6878 /* The actual number of FCP event queues adopted */
6879 phba
->cfg_fcp_eq_count
= cfg_fcp_io_channel
;
6880 phba
->cfg_fcp_wq_count
= cfg_fcp_io_channel
;
6881 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
6883 /* Get EQ depth from module parameter, fake the default for now */
6884 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6885 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6887 /* Get CQ depth from module parameter, fake the default for now */
6888 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6889 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6897 * lpfc_sli4_queue_create - Create all the SLI4 queues
6898 * @phba: pointer to lpfc hba data structure.
6900 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6901 * operation. For each SLI4 queue type, the parameters such as queue entry
6902 * count (queue depth) shall be taken from the module parameter. For now,
6903 * we just use some constant number as place holder.
6907 * -ENOMEM - No availble memory
6908 * -EIO - The mailbox failed to complete successfully.
6911 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6913 struct lpfc_queue
*qdesc
;
6917 * Create HBA Record arrays.
6919 if (!phba
->cfg_fcp_io_channel
)
6922 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6923 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6924 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6925 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6926 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6927 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6929 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6930 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6931 if (!phba
->sli4_hba
.hba_eq
) {
6932 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6933 "2576 Failed allocate memory for "
6934 "fast-path EQ record array\n");
6938 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6939 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6940 if (!phba
->sli4_hba
.fcp_cq
) {
6941 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6942 "2577 Failed allocate memory for fast-path "
6943 "CQ record array\n");
6947 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6948 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6949 if (!phba
->sli4_hba
.fcp_wq
) {
6950 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6951 "2578 Failed allocate memory for fast-path "
6952 "WQ record array\n");
6957 * Since the first EQ can have multiple CQs associated with it,
6958 * this array is used to quickly see if we have a FCP fast-path
6961 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
6962 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6963 if (!phba
->sli4_hba
.fcp_cq_map
) {
6964 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6965 "2545 Failed allocate memory for fast-path "
6971 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6972 * how many EQs to create.
6974 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6977 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6978 phba
->sli4_hba
.eq_ecount
);
6980 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6981 "0497 Failed allocate EQ (%d)\n", idx
);
6984 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
6986 /* Create Fast Path FCP CQs */
6987 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6988 phba
->sli4_hba
.cq_ecount
);
6990 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6991 "0499 Failed allocate fast-path FCP "
6995 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
6997 /* Create Fast Path FCP WQs */
6998 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6999 phba
->sli4_hba
.wq_ecount
);
7001 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7002 "0503 Failed allocate fast-path FCP "
7006 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
7011 * Create Slow Path Completion Queues (CQs)
7014 /* Create slow-path Mailbox Command Complete Queue */
7015 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7016 phba
->sli4_hba
.cq_ecount
);
7018 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7019 "0500 Failed allocate slow-path mailbox CQ\n");
7022 phba
->sli4_hba
.mbx_cq
= qdesc
;
7024 /* Create slow-path ELS Complete Queue */
7025 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7026 phba
->sli4_hba
.cq_ecount
);
7028 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7029 "0501 Failed allocate slow-path ELS CQ\n");
7032 phba
->sli4_hba
.els_cq
= qdesc
;
7036 * Create Slow Path Work Queues (WQs)
7039 /* Create Mailbox Command Queue */
7041 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
7042 phba
->sli4_hba
.mq_ecount
);
7044 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7045 "0505 Failed allocate slow-path MQ\n");
7048 phba
->sli4_hba
.mbx_wq
= qdesc
;
7051 * Create ELS Work Queues
7054 /* Create slow-path ELS Work Queue */
7055 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7056 phba
->sli4_hba
.wq_ecount
);
7058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7059 "0504 Failed allocate slow-path ELS WQ\n");
7062 phba
->sli4_hba
.els_wq
= qdesc
;
7065 * Create Receive Queue (RQ)
7068 /* Create Receive Queue for header */
7069 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7070 phba
->sli4_hba
.rq_ecount
);
7072 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7073 "0506 Failed allocate receive HRQ\n");
7076 phba
->sli4_hba
.hdr_rq
= qdesc
;
7078 /* Create Receive Queue for data */
7079 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7080 phba
->sli4_hba
.rq_ecount
);
7082 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7083 "0507 Failed allocate receive DRQ\n");
7086 phba
->sli4_hba
.dat_rq
= qdesc
;
7091 lpfc_sli4_queue_destroy(phba
);
7096 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7097 * @phba: pointer to lpfc hba data structure.
7099 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7104 * -ENOMEM - No available memory
7105 * -EIO - The mailbox failed to complete successfully.
7108 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
7112 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
7113 /* Release HBA event queue */
7114 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7115 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
7116 lpfc_sli4_queue_free(
7117 phba
->sli4_hba
.hba_eq
[idx
]);
7118 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
7121 kfree(phba
->sli4_hba
.hba_eq
);
7122 phba
->sli4_hba
.hba_eq
= NULL
;
7125 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
7126 /* Release FCP completion queue */
7127 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7128 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
7129 lpfc_sli4_queue_free(
7130 phba
->sli4_hba
.fcp_cq
[idx
]);
7131 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
7134 kfree(phba
->sli4_hba
.fcp_cq
);
7135 phba
->sli4_hba
.fcp_cq
= NULL
;
7138 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
7139 /* Release FCP work queue */
7140 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7141 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
7142 lpfc_sli4_queue_free(
7143 phba
->sli4_hba
.fcp_wq
[idx
]);
7144 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
7147 kfree(phba
->sli4_hba
.fcp_wq
);
7148 phba
->sli4_hba
.fcp_wq
= NULL
;
7151 if (phba
->pci_bar0_memmap_p
) {
7152 iounmap(phba
->pci_bar0_memmap_p
);
7153 phba
->pci_bar0_memmap_p
= NULL
;
7155 if (phba
->pci_bar2_memmap_p
) {
7156 iounmap(phba
->pci_bar2_memmap_p
);
7157 phba
->pci_bar2_memmap_p
= NULL
;
7159 if (phba
->pci_bar4_memmap_p
) {
7160 iounmap(phba
->pci_bar4_memmap_p
);
7161 phba
->pci_bar4_memmap_p
= NULL
;
7164 /* Release FCP CQ mapping array */
7165 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
7166 kfree(phba
->sli4_hba
.fcp_cq_map
);
7167 phba
->sli4_hba
.fcp_cq_map
= NULL
;
7170 /* Release mailbox command work queue */
7171 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
7172 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
7173 phba
->sli4_hba
.mbx_wq
= NULL
;
7176 /* Release ELS work queue */
7177 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7178 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7179 phba
->sli4_hba
.els_wq
= NULL
;
7182 /* Release unsolicited receive queue */
7183 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7184 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7185 phba
->sli4_hba
.hdr_rq
= NULL
;
7187 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7188 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7189 phba
->sli4_hba
.dat_rq
= NULL
;
7192 /* Release ELS complete queue */
7193 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7194 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7195 phba
->sli4_hba
.els_cq
= NULL
;
7198 /* Release mailbox command complete queue */
7199 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7200 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7201 phba
->sli4_hba
.mbx_cq
= NULL
;
7208 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7209 * @phba: pointer to lpfc hba data structure.
7211 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7216 * -ENOMEM - No available memory
7217 * -EIO - The mailbox failed to complete successfully.
7220 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7222 struct lpfc_sli
*psli
= &phba
->sli
;
7223 struct lpfc_sli_ring
*pring
;
7225 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7226 int fcp_cq_index
= 0;
7227 uint32_t shdr_status
, shdr_add_status
;
7228 union lpfc_sli4_cfg_shdr
*shdr
;
7229 LPFC_MBOXQ_t
*mboxq
;
7232 /* Check for dual-ULP support */
7233 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7235 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7236 "3249 Unable to allocate memory for "
7237 "QUERY_FW_CFG mailbox command\n");
7240 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
7241 sizeof(struct lpfc_sli4_cfg_mhdr
));
7242 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7243 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
7244 length
, LPFC_SLI4_MBX_EMBED
);
7246 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7248 shdr
= (union lpfc_sli4_cfg_shdr
*)
7249 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7250 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7251 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7252 if (shdr_status
|| shdr_add_status
|| rc
) {
7253 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7254 "3250 QUERY_FW_CFG mailbox failed with status "
7255 "x%x add_status x%x, mbx status x%x\n",
7256 shdr_status
, shdr_add_status
, rc
);
7257 if (rc
!= MBX_TIMEOUT
)
7258 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7263 phba
->sli4_hba
.fw_func_mode
=
7264 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
7265 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
7266 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
7267 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7268 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7269 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
7270 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
7272 if (rc
!= MBX_TIMEOUT
)
7273 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7276 * Set up HBA Event Queues (EQs)
7279 /* Set up HBA event queue */
7280 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7282 "3147 Fast-path EQs not allocated\n");
7286 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7287 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7288 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7289 "0522 Fast-path EQ (%d) not "
7290 "allocated\n", fcp_eqidx
);
7292 goto out_destroy_hba_eq
;
7294 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7295 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7298 "0523 Failed setup of fast-path EQ "
7299 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
7300 goto out_destroy_hba_eq
;
7302 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7303 "2584 HBA EQ setup: "
7304 "queue[%d]-id=%d\n", fcp_eqidx
,
7305 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7308 /* Set up fast-path FCP Response Complete Queue */
7309 if (!phba
->sli4_hba
.fcp_cq
) {
7310 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7311 "3148 Fast-path FCP CQ array not "
7314 goto out_destroy_hba_eq
;
7317 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7318 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7319 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7320 "0526 Fast-path FCP CQ (%d) not "
7321 "allocated\n", fcp_cqidx
);
7323 goto out_destroy_fcp_cq
;
7325 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7326 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7328 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7329 "0527 Failed setup of fast-path FCP "
7330 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
7331 goto out_destroy_fcp_cq
;
7334 /* Setup fcp_cq_map for fast lookup */
7335 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7336 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7338 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7339 "2588 FCP CQ setup: cq[%d]-id=%d, "
7340 "parent seq[%d]-id=%d\n",
7342 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7344 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7347 /* Set up fast-path FCP Work Queue */
7348 if (!phba
->sli4_hba
.fcp_wq
) {
7349 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7350 "3149 Fast-path FCP WQ array not "
7353 goto out_destroy_fcp_cq
;
7356 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7357 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7358 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7359 "0534 Fast-path FCP WQ (%d) not "
7360 "allocated\n", fcp_wqidx
);
7362 goto out_destroy_fcp_wq
;
7364 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7365 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7368 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7369 "0535 Failed setup of fast-path FCP "
7370 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7371 goto out_destroy_fcp_wq
;
7374 /* Bind this WQ to the next FCP ring */
7375 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7376 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7377 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7379 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7380 "2591 FCP WQ setup: wq[%d]-id=%d, "
7381 "parent cq[%d]-id=%d\n",
7383 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7385 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7388 * Set up Complete Queues (CQs)
7391 /* Set up slow-path MBOX Complete Queue as the first CQ */
7392 if (!phba
->sli4_hba
.mbx_cq
) {
7393 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7394 "0528 Mailbox CQ not allocated\n");
7396 goto out_destroy_fcp_wq
;
7398 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7399 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7402 "0529 Failed setup of slow-path mailbox CQ: "
7404 goto out_destroy_fcp_wq
;
7406 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7407 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7408 phba
->sli4_hba
.mbx_cq
->queue_id
,
7409 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7411 /* Set up slow-path ELS Complete Queue */
7412 if (!phba
->sli4_hba
.els_cq
) {
7413 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7414 "0530 ELS CQ not allocated\n");
7416 goto out_destroy_mbx_cq
;
7418 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7419 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7421 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7422 "0531 Failed setup of slow-path ELS CQ: "
7424 goto out_destroy_mbx_cq
;
7426 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7427 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7428 phba
->sli4_hba
.els_cq
->queue_id
,
7429 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7432 * Set up all the Work Queues (WQs)
7435 /* Set up Mailbox Command Queue */
7436 if (!phba
->sli4_hba
.mbx_wq
) {
7437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7438 "0538 Slow-path MQ not allocated\n");
7440 goto out_destroy_els_cq
;
7442 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7443 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7445 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7446 "0539 Failed setup of slow-path MQ: "
7448 goto out_destroy_els_cq
;
7450 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7451 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7452 phba
->sli4_hba
.mbx_wq
->queue_id
,
7453 phba
->sli4_hba
.mbx_cq
->queue_id
);
7455 /* Set up slow-path ELS Work Queue */
7456 if (!phba
->sli4_hba
.els_wq
) {
7457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7458 "0536 Slow-path ELS WQ not allocated\n");
7460 goto out_destroy_mbx_wq
;
7462 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7463 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7465 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7466 "0537 Failed setup of slow-path ELS WQ: "
7468 goto out_destroy_mbx_wq
;
7471 /* Bind this WQ to the ELS ring */
7472 pring
= &psli
->ring
[LPFC_ELS_RING
];
7473 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7474 phba
->sli4_hba
.els_cq
->pring
= pring
;
7476 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7477 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7478 phba
->sli4_hba
.els_wq
->queue_id
,
7479 phba
->sli4_hba
.els_cq
->queue_id
);
7482 * Create Receive Queue (RQ)
7484 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7485 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7486 "0540 Receive Queue not allocated\n");
7488 goto out_destroy_els_wq
;
7491 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7492 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7494 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7495 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7498 "0541 Failed setup of Receive Queue: "
7500 goto out_destroy_fcp_wq
;
7503 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7504 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7505 "parent cq-id=%d\n",
7506 phba
->sli4_hba
.hdr_rq
->queue_id
,
7507 phba
->sli4_hba
.dat_rq
->queue_id
,
7508 phba
->sli4_hba
.els_cq
->queue_id
);
7512 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7514 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7516 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7518 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7520 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7521 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7523 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7524 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7526 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7527 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7533 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7534 * @phba: pointer to lpfc hba data structure.
7536 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7541 * -ENOMEM - No available memory
7542 * -EIO - The mailbox failed to complete successfully.
7545 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7549 /* Unset mailbox command work queue */
7550 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7551 /* Unset ELS work queue */
7552 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7553 /* Unset unsolicited receive queue */
7554 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7555 /* Unset FCP work queue */
7556 if (phba
->sli4_hba
.fcp_wq
) {
7557 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7559 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7561 /* Unset mailbox command complete queue */
7562 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7563 /* Unset ELS complete queue */
7564 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7565 /* Unset FCP response complete queue */
7566 if (phba
->sli4_hba
.fcp_cq
) {
7567 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7569 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7571 /* Unset fast-path event queue */
7572 if (phba
->sli4_hba
.hba_eq
) {
7573 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7575 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7580 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7581 * @phba: pointer to lpfc hba data structure.
7583 * This routine is invoked to allocate and set up a pool of completion queue
7584 * events. The body of the completion queue event is a completion queue entry
7585 * CQE. For now, this pool is used for the interrupt service routine to queue
7586 * the following HBA completion queue events for the worker thread to process:
7587 * - Mailbox asynchronous events
7588 * - Receive queue completion unsolicited events
7589 * Later, this can be used for all the slow-path events.
7593 * -ENOMEM - No available memory
7596 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7598 struct lpfc_cq_event
*cq_event
;
7601 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7602 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7604 goto out_pool_create_fail
;
7605 list_add_tail(&cq_event
->list
,
7606 &phba
->sli4_hba
.sp_cqe_event_pool
);
7610 out_pool_create_fail
:
7611 lpfc_sli4_cq_event_pool_destroy(phba
);
7616 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7617 * @phba: pointer to lpfc hba data structure.
7619 * This routine is invoked to free the pool of completion queue events at
7620 * driver unload time. Note that, it is the responsibility of the driver
7621 * cleanup routine to free all the outstanding completion-queue events
7622 * allocated from this pool back into the pool before invoking this routine
7623 * to destroy the pool.
7626 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7628 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7630 list_for_each_entry_safe(cq_event
, next_cq_event
,
7631 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7632 list_del(&cq_event
->list
);
7638 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7639 * @phba: pointer to lpfc hba data structure.
7641 * This routine is the lock free version of the API invoked to allocate a
7642 * completion-queue event from the free pool.
7644 * Return: Pointer to the newly allocated completion-queue event if successful
7647 struct lpfc_cq_event
*
7648 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7650 struct lpfc_cq_event
*cq_event
= NULL
;
7652 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7653 struct lpfc_cq_event
, list
);
7658 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7659 * @phba: pointer to lpfc hba data structure.
7661 * This routine is the lock version of the API invoked to allocate a
7662 * completion-queue event from the free pool.
7664 * Return: Pointer to the newly allocated completion-queue event if successful
7667 struct lpfc_cq_event
*
7668 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7670 struct lpfc_cq_event
*cq_event
;
7671 unsigned long iflags
;
7673 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7674 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7675 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7680 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7681 * @phba: pointer to lpfc hba data structure.
7682 * @cq_event: pointer to the completion queue event to be freed.
7684 * This routine is the lock free version of the API invoked to release a
7685 * completion-queue event back into the free pool.
7688 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7689 struct lpfc_cq_event
*cq_event
)
7691 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7695 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7696 * @phba: pointer to lpfc hba data structure.
7697 * @cq_event: pointer to the completion queue event to be freed.
7699 * This routine is the lock version of the API invoked to release a
7700 * completion-queue event back into the free pool.
7703 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7704 struct lpfc_cq_event
*cq_event
)
7706 unsigned long iflags
;
7707 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7708 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7709 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7713 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7714 * @phba: pointer to lpfc hba data structure.
7716 * This routine is to free all the pending completion-queue events to the
7717 * back into the free pool for device reset.
7720 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7723 struct lpfc_cq_event
*cqe
;
7724 unsigned long iflags
;
7726 /* Retrieve all the pending WCQEs from pending WCQE lists */
7727 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7728 /* Pending FCP XRI abort events */
7729 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7731 /* Pending ELS XRI abort events */
7732 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7734 /* Pending asynnc events */
7735 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7737 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7739 while (!list_empty(&cqelist
)) {
7740 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7741 lpfc_sli4_cq_event_release(phba
, cqe
);
7746 * lpfc_pci_function_reset - Reset pci function.
7747 * @phba: pointer to lpfc hba data structure.
7749 * This routine is invoked to request a PCI function reset. It will destroys
7750 * all resources assigned to the PCI function which originates this request.
7754 * -ENOMEM - No available memory
7755 * -EIO - The mailbox failed to complete successfully.
7758 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7760 LPFC_MBOXQ_t
*mboxq
;
7761 uint32_t rc
= 0, if_type
;
7762 uint32_t shdr_status
, shdr_add_status
;
7763 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7764 union lpfc_sli4_cfg_shdr
*shdr
;
7765 struct lpfc_register reg_data
;
7768 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7770 case LPFC_SLI_INTF_IF_TYPE_0
:
7771 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7775 "0494 Unable to allocate memory for "
7776 "issuing SLI_FUNCTION_RESET mailbox "
7781 /* Setup PCI function reset mailbox-ioctl command */
7782 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7783 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7784 LPFC_SLI4_MBX_EMBED
);
7785 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7786 shdr
= (union lpfc_sli4_cfg_shdr
*)
7787 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7788 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7789 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7791 if (rc
!= MBX_TIMEOUT
)
7792 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7793 if (shdr_status
|| shdr_add_status
|| rc
) {
7794 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7795 "0495 SLI_FUNCTION_RESET mailbox "
7796 "failed with status x%x add_status x%x,"
7797 " mbx status x%x\n",
7798 shdr_status
, shdr_add_status
, rc
);
7802 case LPFC_SLI_INTF_IF_TYPE_2
:
7803 for (num_resets
= 0;
7804 num_resets
< MAX_IF_TYPE_2_RESETS
;
7807 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7808 LPFC_SLIPORT_LITTLE_ENDIAN
);
7809 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7810 LPFC_SLIPORT_INIT_PORT
);
7811 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7814 pci_read_config_word(phba
->pcidev
,
7815 PCI_DEVICE_ID
, &devid
);
7817 * Poll the Port Status Register and wait for RDY for
7818 * up to 10 seconds. If the port doesn't respond, treat
7819 * it as an error. If the port responds with RN, start
7822 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7824 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7825 STATUSregaddr
, ®_data
.word0
)) {
7829 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7831 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7836 * If the port responds to the init request with
7837 * reset needed, delay for a bit and restart the loop.
7839 if (reset_again
&& (rdy_chk
< 1000)) {
7845 /* Detect any port errors. */
7846 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7847 (rdy_chk
>= 1000)) {
7848 phba
->work_status
[0] = readl(
7849 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7850 phba
->work_status
[1] = readl(
7851 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7852 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7853 "2890 Port error detected during port "
7854 "reset(%d): wait_tmo:%d ms, "
7855 "port status reg 0x%x, "
7856 "error 1=0x%x, error 2=0x%x\n",
7857 num_resets
, rdy_chk
*10,
7859 phba
->work_status
[0],
7860 phba
->work_status
[1]);
7865 * Terminate the outer loop provided the Port indicated
7866 * ready within 10 seconds.
7871 /* delay driver action following IF_TYPE_2 function reset */
7874 case LPFC_SLI_INTF_IF_TYPE_1
:
7880 /* Catch the not-ready port failure after a port reset. */
7881 if (num_resets
>= MAX_IF_TYPE_2_RESETS
) {
7882 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7883 "3317 HBA not functional: IP Reset Failed "
7884 "after (%d) retries, try: "
7885 "echo fw_reset > board_mode\n", num_resets
);
7893 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7894 * @phba: pointer to lpfc hba data structure.
7896 * This routine is invoked to set up the PCI device memory space for device
7897 * with SLI-4 interface spec.
7901 * other values - error
7904 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7906 struct pci_dev
*pdev
;
7907 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7908 int error
= -ENODEV
;
7911 /* Obtain PCI device reference */
7915 pdev
= phba
->pcidev
;
7917 /* Set the device DMA mask size */
7918 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7919 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7920 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7921 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7927 * The BARs and register set definitions and offset locations are
7928 * dependent on the if_type.
7930 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7931 &phba
->sli4_hba
.sli_intf
.word0
)) {
7935 /* There is no SLI3 failback for SLI4 devices. */
7936 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7937 LPFC_SLI_INTF_VALID
) {
7938 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7939 "2894 SLI_INTF reg contents invalid "
7940 "sli_intf reg 0x%x\n",
7941 phba
->sli4_hba
.sli_intf
.word0
);
7945 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7947 * Get the bus address of SLI4 device Bar regions and the
7948 * number of bytes required by each mapping. The mapping of the
7949 * particular PCI BARs regions is dependent on the type of
7952 if (pci_resource_start(pdev
, 0)) {
7953 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7954 bar0map_len
= pci_resource_len(pdev
, 0);
7957 * Map SLI4 PCI Config Space Register base to a kernel virtual
7960 phba
->sli4_hba
.conf_regs_memmap_p
=
7961 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7962 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7963 dev_printk(KERN_ERR
, &pdev
->dev
,
7964 "ioremap failed for SLI4 PCI config "
7968 /* Set up BAR0 PCI config space register memory map */
7969 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7971 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7972 bar0map_len
= pci_resource_len(pdev
, 1);
7973 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7974 dev_printk(KERN_ERR
, &pdev
->dev
,
7975 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7978 phba
->sli4_hba
.conf_regs_memmap_p
=
7979 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7980 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7981 dev_printk(KERN_ERR
, &pdev
->dev
,
7982 "ioremap failed for SLI4 PCI config "
7986 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7989 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7990 (pci_resource_start(pdev
, 2))) {
7992 * Map SLI4 if type 0 HBA Control Register base to a kernel
7993 * virtual address and setup the registers.
7995 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7996 bar1map_len
= pci_resource_len(pdev
, 2);
7997 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7998 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7999 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
8000 dev_printk(KERN_ERR
, &pdev
->dev
,
8001 "ioremap failed for SLI4 HBA control registers.\n");
8002 goto out_iounmap_conf
;
8004 lpfc_sli4_bar1_register_memmap(phba
);
8007 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8008 (pci_resource_start(pdev
, 4))) {
8010 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8011 * virtual address and setup the registers.
8013 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
8014 bar2map_len
= pci_resource_len(pdev
, 4);
8015 phba
->sli4_hba
.drbl_regs_memmap_p
=
8016 ioremap(phba
->pci_bar2_map
, bar2map_len
);
8017 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
8018 dev_printk(KERN_ERR
, &pdev
->dev
,
8019 "ioremap failed for SLI4 HBA doorbell registers.\n");
8020 goto out_iounmap_ctrl
;
8022 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
8024 goto out_iounmap_all
;
8030 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8032 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8034 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8040 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8041 * @phba: pointer to lpfc hba data structure.
8043 * This routine is invoked to unset the PCI device memory space for device
8044 * with SLI-4 interface spec.
8047 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
8050 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8053 case LPFC_SLI_INTF_IF_TYPE_0
:
8054 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8055 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8056 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8058 case LPFC_SLI_INTF_IF_TYPE_2
:
8059 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8061 case LPFC_SLI_INTF_IF_TYPE_1
:
8063 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8064 "FATAL - unsupported SLI4 interface type - %d\n",
8071 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8072 * @phba: pointer to lpfc hba data structure.
8074 * This routine is invoked to enable the MSI-X interrupt vectors to device
8075 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8076 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8077 * invoked, enables either all or nothing, depending on the current
8078 * availability of PCI vector resources. The device driver is responsible
8079 * for calling the individual request_irq() to register each MSI-X vector
8080 * with a interrupt handler, which is done in this function. Note that
8081 * later when device is unloading, the driver should always call free_irq()
8082 * on all MSI-X vectors it has done request_irq() on before calling
8083 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8084 * will be left with MSI-X enabled and leaks its vectors.
8088 * other values - error
8091 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
8096 /* Set up MSI-X multi-message vectors */
8097 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8098 phba
->msix_entries
[i
].entry
= i
;
8100 /* Configure MSI-X capability structure */
8101 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
8102 ARRAY_SIZE(phba
->msix_entries
));
8104 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8105 "0420 PCI enable MSI-X failed (%d)\n", rc
);
8108 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8109 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8110 "0477 MSI-X entry[%d]: vector=x%x "
8112 phba
->msix_entries
[i
].vector
,
8113 phba
->msix_entries
[i
].entry
);
8115 * Assign MSI-X vectors to interrupt handlers
8118 /* vector-0 is associated to slow-path handler */
8119 rc
= request_irq(phba
->msix_entries
[0].vector
,
8120 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
8121 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8123 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8124 "0421 MSI-X slow-path request_irq failed "
8129 /* vector-1 is associated to fast-path handler */
8130 rc
= request_irq(phba
->msix_entries
[1].vector
,
8131 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
8132 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
8135 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8136 "0429 MSI-X fast-path request_irq failed "
8142 * Configure HBA MSI-X attention conditions to messages
8144 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8148 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8149 "0474 Unable to allocate memory for issuing "
8150 "MBOX_CONFIG_MSI command\n");
8153 rc
= lpfc_config_msi(phba
, pmb
);
8156 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8157 if (rc
!= MBX_SUCCESS
) {
8158 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8159 "0351 Config MSI mailbox command failed, "
8160 "mbxCmd x%x, mbxStatus x%x\n",
8161 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8165 /* Free memory allocated for mailbox command */
8166 mempool_free(pmb
, phba
->mbox_mem_pool
);
8170 /* Free memory allocated for mailbox command */
8171 mempool_free(pmb
, phba
->mbox_mem_pool
);
8174 /* free the irq already requested */
8175 free_irq(phba
->msix_entries
[1].vector
, phba
);
8178 /* free the irq already requested */
8179 free_irq(phba
->msix_entries
[0].vector
, phba
);
8182 /* Unconfigure MSI-X capability structure */
8183 pci_disable_msix(phba
->pcidev
);
8188 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8189 * @phba: pointer to lpfc hba data structure.
8191 * This routine is invoked to release the MSI-X vectors and then disable the
8192 * MSI-X interrupt mode to device with SLI-3 interface spec.
8195 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8199 /* Free up MSI-X multi-message vectors */
8200 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8201 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8203 pci_disable_msix(phba
->pcidev
);
8209 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8210 * @phba: pointer to lpfc hba data structure.
8212 * This routine is invoked to enable the MSI interrupt mode to device with
8213 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8214 * enable the MSI vector. The device driver is responsible for calling the
8215 * request_irq() to register MSI vector with a interrupt the handler, which
8216 * is done in this function.
8220 * other values - error
8223 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8227 rc
= pci_enable_msi(phba
->pcidev
);
8229 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8230 "0462 PCI enable MSI mode success.\n");
8232 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8233 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8237 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8238 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8240 pci_disable_msi(phba
->pcidev
);
8241 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8242 "0478 MSI request_irq failed (%d)\n", rc
);
8248 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8249 * @phba: pointer to lpfc hba data structure.
8251 * This routine is invoked to disable the MSI interrupt mode to device with
8252 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8253 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8254 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8258 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8260 free_irq(phba
->pcidev
->irq
, phba
);
8261 pci_disable_msi(phba
->pcidev
);
8266 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8267 * @phba: pointer to lpfc hba data structure.
8269 * This routine is invoked to enable device interrupt and associate driver's
8270 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8271 * spec. Depends on the interrupt mode configured to the driver, the driver
8272 * will try to fallback from the configured interrupt mode to an interrupt
8273 * mode which is supported by the platform, kernel, and device in the order
8275 * MSI-X -> MSI -> IRQ.
8279 * other values - error
8282 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8284 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8287 if (cfg_mode
== 2) {
8288 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8289 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8291 /* Now, try to enable MSI-X interrupt mode */
8292 retval
= lpfc_sli_enable_msix(phba
);
8294 /* Indicate initialization to MSI-X mode */
8295 phba
->intr_type
= MSIX
;
8301 /* Fallback to MSI if MSI-X initialization failed */
8302 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8303 retval
= lpfc_sli_enable_msi(phba
);
8305 /* Indicate initialization to MSI mode */
8306 phba
->intr_type
= MSI
;
8311 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8312 if (phba
->intr_type
== NONE
) {
8313 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8314 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8316 /* Indicate initialization to INTx mode */
8317 phba
->intr_type
= INTx
;
8325 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8326 * @phba: pointer to lpfc hba data structure.
8328 * This routine is invoked to disable device interrupt and disassociate the
8329 * driver's interrupt handler(s) from interrupt vector(s) to device with
8330 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8331 * release the interrupt vector(s) for the message signaled interrupt.
8334 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8336 /* Disable the currently initialized interrupt mode */
8337 if (phba
->intr_type
== MSIX
)
8338 lpfc_sli_disable_msix(phba
);
8339 else if (phba
->intr_type
== MSI
)
8340 lpfc_sli_disable_msi(phba
);
8341 else if (phba
->intr_type
== INTx
)
8342 free_irq(phba
->pcidev
->irq
, phba
);
8344 /* Reset interrupt management states */
8345 phba
->intr_type
= NONE
;
8346 phba
->sli
.slistat
.sli_intr
= 0;
8352 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8353 * @phba: pointer to lpfc hba data structure.
8355 * Find next available CPU to use for IRQ to CPU affinity.
8358 lpfc_find_next_cpu(struct lpfc_hba
*phba
, uint32_t phys_id
)
8360 struct lpfc_vector_map_info
*cpup
;
8363 cpup
= phba
->sli4_hba
.cpu_map
;
8364 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8365 /* CPU must be online */
8366 if (cpu_online(cpu
)) {
8367 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8368 (lpfc_used_cpu
[cpu
] == LPFC_VECTOR_MAP_EMPTY
) &&
8369 (cpup
->phys_id
== phys_id
)) {
8377 * If we get here, we have used ALL CPUs for the specific
8378 * phys_id. Now we need to clear out lpfc_used_cpu and start
8382 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8383 if (lpfc_used_cpu
[cpu
] == phys_id
)
8384 lpfc_used_cpu
[cpu
] = LPFC_VECTOR_MAP_EMPTY
;
8387 cpup
= phba
->sli4_hba
.cpu_map
;
8388 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8389 /* CPU must be online */
8390 if (cpu_online(cpu
)) {
8391 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8392 (cpup
->phys_id
== phys_id
)) {
8398 return LPFC_VECTOR_MAP_EMPTY
;
8402 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8403 * @phba: pointer to lpfc hba data structure.
8404 * @vectors: number of HBA vectors
8406 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8407 * affinization across multple physical CPUs (numa nodes).
8408 * In addition, this routine will assign an IO channel for each CPU
8409 * to use when issuing I/Os.
8412 lpfc_sli4_set_affinity(struct lpfc_hba
*phba
, int vectors
)
8414 int i
, idx
, saved_chann
, used_chann
, cpu
, phys_id
;
8415 int max_phys_id
, num_io_channel
, first_cpu
;
8416 struct lpfc_vector_map_info
*cpup
;
8418 struct cpuinfo_x86
*cpuinfo
;
8420 struct cpumask
*mask
;
8421 uint8_t chann
[LPFC_FCP_IO_CHAN_MAX
+1];
8423 /* If there is no mapping, just return */
8424 if (!phba
->cfg_fcp_cpu_map
)
8427 /* Init cpu_map array */
8428 memset(phba
->sli4_hba
.cpu_map
, 0xff,
8429 (sizeof(struct lpfc_vector_map_info
) *
8430 phba
->sli4_hba
.num_present_cpu
));
8435 first_cpu
= LPFC_VECTOR_MAP_EMPTY
;
8437 /* Update CPU map with physical id and core id of each CPU */
8438 cpup
= phba
->sli4_hba
.cpu_map
;
8439 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8441 cpuinfo
= &cpu_data(cpu
);
8442 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
8443 cpup
->core_id
= cpuinfo
->cpu_core_id
;
8445 /* No distinction between CPUs for other platforms */
8450 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8451 "3328 CPU physid %d coreid %d\n",
8452 cpup
->phys_id
, cpup
->core_id
);
8454 if (cpup
->phys_id
> max_phys_id
)
8455 max_phys_id
= cpup
->phys_id
;
8459 /* Now associate the HBA vectors with specific CPUs */
8460 for (idx
= 0; idx
< vectors
; idx
++) {
8461 cpup
= phba
->sli4_hba
.cpu_map
;
8462 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8463 if (cpu
== LPFC_VECTOR_MAP_EMPTY
) {
8465 /* Try for all phys_id's */
8466 for (i
= 1; i
< max_phys_id
; i
++) {
8468 if (phys_id
> max_phys_id
)
8470 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8471 if (cpu
== LPFC_VECTOR_MAP_EMPTY
)
8476 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8477 "3329 Cannot set affinity:"
8478 "Error mapping vector %d (%d)\n",
8484 if (phba
->cfg_fcp_cpu_map
== LPFC_DRIVER_CPU_MAP
)
8485 lpfc_used_cpu
[cpu
] = phys_id
;
8487 /* Associate vector with selected CPU */
8488 cpup
->irq
= phba
->sli4_hba
.msix_entries
[idx
].vector
;
8490 /* Associate IO channel with selected CPU */
8491 cpup
->channel_id
= idx
;
8494 if (first_cpu
== LPFC_VECTOR_MAP_EMPTY
)
8497 /* Now affinitize to the selected CPU */
8498 mask
= &cpup
->maskbits
;
8499 cpumask_clear(mask
);
8500 cpumask_set_cpu(cpu
, mask
);
8501 i
= irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[idx
].
8504 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8505 "3330 Set Affinity: CPU %d channel %d "
8507 cpu
, cpup
->channel_id
,
8508 phba
->sli4_hba
.msix_entries
[idx
].vector
, i
);
8510 /* Spread vector mapping across multple physical CPU nodes */
8512 if (phys_id
> max_phys_id
)
8517 * Finally fill in the IO channel for any remaining CPUs.
8518 * At this point, all IO channels have been assigned to a specific
8519 * MSIx vector, mapped to a specific CPU.
8520 * Base the remaining IO channel assigned, to IO channels already
8521 * assigned to other CPUs on the same phys_id.
8523 for (i
= 0; i
<= max_phys_id
; i
++) {
8525 * If there are no io channels already mapped to
8526 * this phys_id, just round robin thru the io_channels.
8527 * Setup chann[] for round robin.
8529 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8536 * First build a list of IO channels already assigned
8537 * to this phys_id before reassigning the same IO
8538 * channels to the remaining CPUs.
8540 cpup
= phba
->sli4_hba
.cpu_map
;
8543 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
;
8545 if (cpup
->phys_id
== i
) {
8547 * Save any IO channels that are
8548 * already mapped to this phys_id.
8550 if (cpup
->irq
!= LPFC_VECTOR_MAP_EMPTY
) {
8551 chann
[saved_chann
] =
8557 /* See if we are using round-robin */
8558 if (saved_chann
== 0)
8560 phba
->cfg_fcp_io_channel
;
8562 /* Associate next IO channel with CPU */
8563 cpup
->channel_id
= chann
[used_chann
];
8566 if (used_chann
== saved_chann
)
8569 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8570 "3331 Set IO_CHANN "
8571 "CPU %d channel %d\n",
8572 idx
, cpup
->channel_id
);
8576 if (cpu
>= phba
->sli4_hba
.num_present_cpu
) {
8577 cpup
= phba
->sli4_hba
.cpu_map
;
8585 if (phba
->sli4_hba
.num_online_cpu
!= phba
->sli4_hba
.num_present_cpu
) {
8586 cpup
= phba
->sli4_hba
.cpu_map
;
8587 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
; idx
++) {
8588 if (cpup
->channel_id
== LPFC_VECTOR_MAP_EMPTY
) {
8589 cpup
->channel_id
= 0;
8592 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8593 "3332 Assign IO_CHANN "
8594 "CPU %d channel %d\n",
8595 idx
, cpup
->channel_id
);
8602 if (num_io_channel
!= phba
->sli4_hba
.num_present_cpu
)
8603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8604 "3333 Set affinity mismatch:"
8605 "%d chann != %d cpus: %d vactors\n",
8606 num_io_channel
, phba
->sli4_hba
.num_present_cpu
,
8609 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_BY_CPU
;
8615 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8616 * @phba: pointer to lpfc hba data structure.
8618 * This routine is invoked to enable the MSI-X interrupt vectors to device
8619 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8620 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8621 * enables either all or nothing, depending on the current availability of
8622 * PCI vector resources. The device driver is responsible for calling the
8623 * individual request_irq() to register each MSI-X vector with a interrupt
8624 * handler, which is done in this function. Note that later when device is
8625 * unloading, the driver should always call free_irq() on all MSI-X vectors
8626 * it has done request_irq() on before calling pci_disable_msix(). Failure
8627 * to do so results in a BUG_ON() and a device will be left with MSI-X
8628 * enabled and leaks its vectors.
8632 * other values - error
8635 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8637 int vectors
, rc
, index
;
8639 /* Set up MSI-X multi-message vectors */
8640 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8641 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8643 /* Configure MSI-X capability structure */
8644 vectors
= phba
->cfg_fcp_io_channel
;
8645 enable_msix_vectors
:
8646 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8650 goto enable_msix_vectors
;
8652 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8653 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8657 /* Log MSI-X vector assignment */
8658 for (index
= 0; index
< vectors
; index
++)
8659 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8660 "0489 MSI-X entry[%d]: vector=x%x "
8661 "message=%d\n", index
,
8662 phba
->sli4_hba
.msix_entries
[index
].vector
,
8663 phba
->sli4_hba
.msix_entries
[index
].entry
);
8665 /* Assign MSI-X vectors to interrupt handlers */
8666 for (index
= 0; index
< vectors
; index
++) {
8667 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8668 sprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8669 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8671 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8672 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8673 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8674 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8675 &lpfc_sli4_hba_intr_handler
, IRQF_SHARED
,
8676 (char *)&phba
->sli4_hba
.handler_name
[index
],
8677 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8679 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8680 "0486 MSI-X fast-path (%d) "
8681 "request_irq failed (%d)\n", index
, rc
);
8686 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8687 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8688 "3238 Reducing IO channels to match number of "
8689 "MSI-X vectors, requested %d got %d\n",
8690 phba
->cfg_fcp_io_channel
, vectors
);
8691 phba
->cfg_fcp_io_channel
= vectors
;
8694 lpfc_sli4_set_affinity(phba
, vectors
);
8698 /* free the irq already requested */
8699 for (--index
; index
>= 0; index
--)
8700 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8701 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8704 /* Unconfigure MSI-X capability structure */
8705 pci_disable_msix(phba
->pcidev
);
8710 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8711 * @phba: pointer to lpfc hba data structure.
8713 * This routine is invoked to release the MSI-X vectors and then disable the
8714 * MSI-X interrupt mode to device with SLI-4 interface spec.
8717 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8721 /* Free up MSI-X multi-message vectors */
8722 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8723 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8724 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8727 pci_disable_msix(phba
->pcidev
);
8733 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8734 * @phba: pointer to lpfc hba data structure.
8736 * This routine is invoked to enable the MSI interrupt mode to device with
8737 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8738 * to enable the MSI vector. The device driver is responsible for calling
8739 * the request_irq() to register MSI vector with a interrupt the handler,
8740 * which is done in this function.
8744 * other values - error
8747 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8751 rc
= pci_enable_msi(phba
->pcidev
);
8753 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8754 "0487 PCI enable MSI mode success.\n");
8756 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8757 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8761 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8762 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8764 pci_disable_msi(phba
->pcidev
);
8765 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8766 "0490 MSI request_irq failed (%d)\n", rc
);
8770 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8771 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8772 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8779 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8780 * @phba: pointer to lpfc hba data structure.
8782 * This routine is invoked to disable the MSI interrupt mode to device with
8783 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8784 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8785 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8789 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8791 free_irq(phba
->pcidev
->irq
, phba
);
8792 pci_disable_msi(phba
->pcidev
);
8797 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8798 * @phba: pointer to lpfc hba data structure.
8800 * This routine is invoked to enable device interrupt and associate driver's
8801 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8802 * interface spec. Depends on the interrupt mode configured to the driver,
8803 * the driver will try to fallback from the configured interrupt mode to an
8804 * interrupt mode which is supported by the platform, kernel, and device in
8806 * MSI-X -> MSI -> IRQ.
8810 * other values - error
8813 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8815 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8818 if (cfg_mode
== 2) {
8819 /* Preparation before conf_msi mbox cmd */
8822 /* Now, try to enable MSI-X interrupt mode */
8823 retval
= lpfc_sli4_enable_msix(phba
);
8825 /* Indicate initialization to MSI-X mode */
8826 phba
->intr_type
= MSIX
;
8832 /* Fallback to MSI if MSI-X initialization failed */
8833 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8834 retval
= lpfc_sli4_enable_msi(phba
);
8836 /* Indicate initialization to MSI mode */
8837 phba
->intr_type
= MSI
;
8842 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8843 if (phba
->intr_type
== NONE
) {
8844 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8845 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8847 /* Indicate initialization to INTx mode */
8848 phba
->intr_type
= INTx
;
8850 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
8852 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8853 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8854 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
8863 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8864 * @phba: pointer to lpfc hba data structure.
8866 * This routine is invoked to disable device interrupt and disassociate
8867 * the driver's interrupt handler(s) from interrupt vector(s) to device
8868 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8869 * will release the interrupt vector(s) for the message signaled interrupt.
8872 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8874 /* Disable the currently initialized interrupt mode */
8875 if (phba
->intr_type
== MSIX
)
8876 lpfc_sli4_disable_msix(phba
);
8877 else if (phba
->intr_type
== MSI
)
8878 lpfc_sli4_disable_msi(phba
);
8879 else if (phba
->intr_type
== INTx
)
8880 free_irq(phba
->pcidev
->irq
, phba
);
8882 /* Reset interrupt management states */
8883 phba
->intr_type
= NONE
;
8884 phba
->sli
.slistat
.sli_intr
= 0;
8890 * lpfc_unset_hba - Unset SLI3 hba device initialization
8891 * @phba: pointer to lpfc hba data structure.
8893 * This routine is invoked to unset the HBA device initialization steps to
8894 * a device with SLI-3 interface spec.
8897 lpfc_unset_hba(struct lpfc_hba
*phba
)
8899 struct lpfc_vport
*vport
= phba
->pport
;
8900 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8902 spin_lock_irq(shost
->host_lock
);
8903 vport
->load_flag
|= FC_UNLOADING
;
8904 spin_unlock_irq(shost
->host_lock
);
8906 kfree(phba
->vpi_bmask
);
8907 kfree(phba
->vpi_ids
);
8909 lpfc_stop_hba_timers(phba
);
8911 phba
->pport
->work_port_events
= 0;
8913 lpfc_sli_hba_down(phba
);
8915 lpfc_sli_brdrestart(phba
);
8917 lpfc_sli_disable_intr(phba
);
8923 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8924 * @phba: Pointer to HBA context object.
8926 * This function is called in the SLI4 code path to wait for completion
8927 * of device's XRIs exchange busy. It will check the XRI exchange busy
8928 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8929 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8930 * I/Os every 30 seconds, log error message, and wait forever. Only when
8931 * all XRI exchange busy complete, the driver unload shall proceed with
8932 * invoking the function reset ioctl mailbox command to the CNA and the
8933 * the rest of the driver unload resource release.
8936 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8939 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8940 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8942 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8943 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8945 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8946 "2877 FCP XRI exchange busy "
8947 "wait time: %d seconds.\n",
8950 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8951 "2878 ELS XRI exchange busy "
8952 "wait time: %d seconds.\n",
8954 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8955 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8957 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8958 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8961 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8963 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8968 * lpfc_sli4_hba_unset - Unset the fcoe hba
8969 * @phba: Pointer to HBA context object.
8971 * This function is called in the SLI4 code path to reset the HBA's FCoE
8972 * function. The caller is not required to hold any lock. This routine
8973 * issues PCI function reset mailbox command to reset the FCoE function.
8974 * At the end of the function, it calls lpfc_hba_down_post function to
8975 * free any pending commands.
8978 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8981 LPFC_MBOXQ_t
*mboxq
;
8982 struct pci_dev
*pdev
= phba
->pcidev
;
8984 lpfc_stop_hba_timers(phba
);
8985 phba
->sli4_hba
.intr_enable
= 0;
8988 * Gracefully wait out the potential current outstanding asynchronous
8992 /* First, block any pending async mailbox command from posted */
8993 spin_lock_irq(&phba
->hbalock
);
8994 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8995 spin_unlock_irq(&phba
->hbalock
);
8996 /* Now, trying to wait it out if we can */
8997 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8999 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
9002 /* Forcefully release the outstanding mailbox command if timed out */
9003 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9004 spin_lock_irq(&phba
->hbalock
);
9005 mboxq
= phba
->sli
.mbox_active
;
9006 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
9007 __lpfc_mbox_cmpl_put(phba
, mboxq
);
9008 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
9009 phba
->sli
.mbox_active
= NULL
;
9010 spin_unlock_irq(&phba
->hbalock
);
9013 /* Abort all iocbs associated with the hba */
9014 lpfc_sli_hba_iocb_abort(phba
);
9016 /* Wait for completion of device XRI exchange busy */
9017 lpfc_sli4_xri_exchange_busy_wait(phba
);
9019 /* Disable PCI subsystem interrupt */
9020 lpfc_sli4_disable_intr(phba
);
9022 /* Disable SR-IOV if enabled */
9023 if (phba
->cfg_sriov_nr_virtfn
)
9024 pci_disable_sriov(pdev
);
9026 /* Stop kthread signal shall trigger work_done one more time */
9027 kthread_stop(phba
->worker_thread
);
9029 /* Reset SLI4 HBA FCoE function */
9030 lpfc_pci_function_reset(phba
);
9031 lpfc_sli4_queue_destroy(phba
);
9033 /* Stop the SLI4 device port */
9034 phba
->pport
->work_port_events
= 0;
9038 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9039 * @phba: Pointer to HBA context object.
9040 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9042 * This function is called in the SLI4 code path to read the port's
9043 * sli4 capabilities.
9045 * This function may be be called from any context that can block-wait
9046 * for the completion. The expectation is that this routine is called
9047 * typically from probe_one or from the online routine.
9050 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9053 struct lpfc_mqe
*mqe
;
9054 struct lpfc_pc_sli4_params
*sli4_params
;
9058 mqe
= &mboxq
->u
.mqe
;
9060 /* Read the port's SLI4 Parameters port capabilities */
9061 lpfc_pc_sli4_params(mboxq
);
9062 if (!phba
->sli4_hba
.intr_enable
)
9063 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9065 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9066 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9072 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9073 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
9074 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
9075 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
9076 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
9077 &mqe
->un
.sli4_params
);
9078 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
9079 &mqe
->un
.sli4_params
);
9080 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
9081 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
9082 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
9083 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
9084 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
9085 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
9086 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
9087 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
9088 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
9089 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
9090 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
9091 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
9092 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
9093 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
9094 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
9095 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
9096 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
9097 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
9098 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
9099 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
9100 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
9102 /* Make sure that sge_supp_len can be handled by the driver */
9103 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9104 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9110 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9111 * @phba: Pointer to HBA context object.
9112 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9114 * This function is called in the SLI4 code path to read the port's
9115 * sli4 capabilities.
9117 * This function may be be called from any context that can block-wait
9118 * for the completion. The expectation is that this routine is called
9119 * typically from probe_one or from the online routine.
9122 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9125 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
9126 struct lpfc_pc_sli4_params
*sli4_params
;
9129 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
9132 * By default, the driver assumes the SLI4 port requires RPI
9133 * header postings. The SLI4_PARAM response will correct this
9136 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
9138 /* Read the port's SLI4 Config Parameters */
9139 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
9140 sizeof(struct lpfc_sli4_cfg_mhdr
));
9141 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9142 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
9143 length
, LPFC_SLI4_MBX_EMBED
);
9144 if (!phba
->sli4_hba
.intr_enable
)
9145 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9147 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9148 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9152 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9153 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
9154 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
9155 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
9156 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
9157 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
9158 mbx_sli4_parameters
);
9159 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
9160 mbx_sli4_parameters
);
9161 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
9162 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
9164 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
9165 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
9166 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
9167 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
9168 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
9169 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
9170 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
9171 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
9172 mbx_sli4_parameters
);
9173 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
9174 mbx_sli4_parameters
);
9175 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
9176 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
9178 /* Make sure that sge_supp_len can be handled by the driver */
9179 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9180 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9186 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9187 * @pdev: pointer to PCI device
9188 * @pid: pointer to PCI device identifier
9190 * This routine is to be called to attach a device with SLI-3 interface spec
9191 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9192 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9193 * information of the device and driver to see if the driver state that it can
9194 * support this kind of device. If the match is successful, the driver core
9195 * invokes this routine. If this routine determines it can claim the HBA, it
9196 * does all the initialization that it needs to do to handle the HBA properly.
9199 * 0 - driver can claim the device
9200 * negative value - driver can not claim the device
9203 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9205 struct lpfc_hba
*phba
;
9206 struct lpfc_vport
*vport
= NULL
;
9207 struct Scsi_Host
*shost
= NULL
;
9209 uint32_t cfg_mode
, intr_mode
;
9211 /* Allocate memory for HBA structure */
9212 phba
= lpfc_hba_alloc(pdev
);
9216 /* Perform generic PCI device enabling operation */
9217 error
= lpfc_enable_pci_dev(phba
);
9221 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9222 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
9224 goto out_disable_pci_dev
;
9226 /* Set up SLI-3 specific device PCI memory space */
9227 error
= lpfc_sli_pci_mem_setup(phba
);
9229 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9230 "1402 Failed to set up pci memory space.\n");
9231 goto out_disable_pci_dev
;
9234 /* Set up phase-1 common device driver resources */
9235 error
= lpfc_setup_driver_resource_phase1(phba
);
9237 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9238 "1403 Failed to set up driver resource.\n");
9239 goto out_unset_pci_mem_s3
;
9242 /* Set up SLI-3 specific device driver resources */
9243 error
= lpfc_sli_driver_resource_setup(phba
);
9245 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9246 "1404 Failed to set up driver resource.\n");
9247 goto out_unset_pci_mem_s3
;
9250 /* Initialize and populate the iocb list per host */
9251 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
9253 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9254 "1405 Failed to initialize iocb list.\n");
9255 goto out_unset_driver_resource_s3
;
9258 /* Set up common device driver resources */
9259 error
= lpfc_setup_driver_resource_phase2(phba
);
9261 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9262 "1406 Failed to set up driver resource.\n");
9263 goto out_free_iocb_list
;
9266 /* Get the default values for Model Name and Description */
9267 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9269 /* Create SCSI host to the physical port */
9270 error
= lpfc_create_shost(phba
);
9272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9273 "1407 Failed to create scsi host.\n");
9274 goto out_unset_driver_resource
;
9277 /* Configure sysfs attributes */
9278 vport
= phba
->pport
;
9279 error
= lpfc_alloc_sysfs_attr(vport
);
9281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9282 "1476 Failed to allocate sysfs attr\n");
9283 goto out_destroy_shost
;
9286 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9287 /* Now, trying to enable interrupt and bring up the device */
9288 cfg_mode
= phba
->cfg_use_msi
;
9290 /* Put device to a known state before enabling interrupt */
9291 lpfc_stop_port(phba
);
9292 /* Configure and enable interrupt */
9293 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
9294 if (intr_mode
== LPFC_INTR_ERROR
) {
9295 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9296 "0431 Failed to enable interrupt.\n");
9298 goto out_free_sysfs_attr
;
9300 /* SLI-3 HBA setup */
9301 if (lpfc_sli_hba_setup(phba
)) {
9302 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9303 "1477 Failed to set up hba\n");
9305 goto out_remove_device
;
9308 /* Wait 50ms for the interrupts of previous mailbox commands */
9310 /* Check active interrupts on message signaled interrupts */
9311 if (intr_mode
== 0 ||
9312 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
9313 /* Log the current active interrupt mode */
9314 phba
->intr_mode
= intr_mode
;
9315 lpfc_log_intr_mode(phba
, intr_mode
);
9318 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9319 "0447 Configure interrupt mode (%d) "
9320 "failed active interrupt test.\n",
9322 /* Disable the current interrupt mode */
9323 lpfc_sli_disable_intr(phba
);
9324 /* Try next level of interrupt mode */
9325 cfg_mode
= --intr_mode
;
9329 /* Perform post initialization setup */
9330 lpfc_post_init_setup(phba
);
9332 /* Check if there are static vports to be created. */
9333 lpfc_create_static_vport(phba
);
9338 lpfc_unset_hba(phba
);
9339 out_free_sysfs_attr
:
9340 lpfc_free_sysfs_attr(vport
);
9342 lpfc_destroy_shost(phba
);
9343 out_unset_driver_resource
:
9344 lpfc_unset_driver_resource_phase2(phba
);
9346 lpfc_free_iocb_list(phba
);
9347 out_unset_driver_resource_s3
:
9348 lpfc_sli_driver_resource_unset(phba
);
9349 out_unset_pci_mem_s3
:
9350 lpfc_sli_pci_mem_unset(phba
);
9351 out_disable_pci_dev
:
9352 lpfc_disable_pci_dev(phba
);
9354 scsi_host_put(shost
);
9356 lpfc_hba_free(phba
);
9361 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9362 * @pdev: pointer to PCI device
9364 * This routine is to be called to disattach a device with SLI-3 interface
9365 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9366 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9367 * device to be removed from the PCI subsystem properly.
9370 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
9372 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9373 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9374 struct lpfc_vport
**vports
;
9375 struct lpfc_hba
*phba
= vport
->phba
;
9377 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
9379 spin_lock_irq(&phba
->hbalock
);
9380 vport
->load_flag
|= FC_UNLOADING
;
9381 spin_unlock_irq(&phba
->hbalock
);
9383 lpfc_free_sysfs_attr(vport
);
9385 /* Release all the vports against this physical port */
9386 vports
= lpfc_create_vport_work_array(phba
);
9388 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9389 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9391 fc_vport_terminate(vports
[i
]->fc_vport
);
9393 lpfc_destroy_vport_work_array(phba
, vports
);
9395 /* Remove FC host and then SCSI host with the physical port */
9396 fc_remove_host(shost
);
9397 scsi_remove_host(shost
);
9398 lpfc_cleanup(vport
);
9401 * Bring down the SLI Layer. This step disable all interrupts,
9402 * clears the rings, discards all mailbox commands, and resets
9406 /* HBA interrupt will be disabled after this call */
9407 lpfc_sli_hba_down(phba
);
9408 /* Stop kthread signal shall trigger work_done one more time */
9409 kthread_stop(phba
->worker_thread
);
9410 /* Final cleanup of txcmplq and reset the HBA */
9411 lpfc_sli_brdrestart(phba
);
9413 kfree(phba
->vpi_bmask
);
9414 kfree(phba
->vpi_ids
);
9416 lpfc_stop_hba_timers(phba
);
9417 spin_lock_irq(&phba
->hbalock
);
9418 list_del_init(&vport
->listentry
);
9419 spin_unlock_irq(&phba
->hbalock
);
9421 lpfc_debugfs_terminate(vport
);
9423 /* Disable SR-IOV if enabled */
9424 if (phba
->cfg_sriov_nr_virtfn
)
9425 pci_disable_sriov(pdev
);
9427 /* Disable interrupt */
9428 lpfc_sli_disable_intr(phba
);
9430 pci_set_drvdata(pdev
, NULL
);
9431 scsi_host_put(shost
);
9434 * Call scsi_free before mem_free since scsi bufs are released to their
9435 * corresponding pools here.
9437 lpfc_scsi_free(phba
);
9438 lpfc_mem_free_all(phba
);
9440 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9441 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9443 /* Free resources associated with SLI2 interface */
9444 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9445 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9447 /* unmap adapter SLIM and Control Registers */
9448 iounmap(phba
->ctrl_regs_memmap_p
);
9449 iounmap(phba
->slim_memmap_p
);
9451 lpfc_hba_free(phba
);
9453 pci_release_selected_regions(pdev
, bars
);
9454 pci_disable_device(pdev
);
9458 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9459 * @pdev: pointer to PCI device
9460 * @msg: power management message
9462 * This routine is to be called from the kernel's PCI subsystem to support
9463 * system Power Management (PM) to device with SLI-3 interface spec. When
9464 * PM invokes this method, it quiesces the device by stopping the driver's
9465 * worker thread for the device, turning off device's interrupt and DMA,
9466 * and bring the device offline. Note that as the driver implements the
9467 * minimum PM requirements to a power-aware driver's PM support for the
9468 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9469 * to the suspend() method call will be treated as SUSPEND and the driver will
9470 * fully reinitialize its device during resume() method call, the driver will
9471 * set device to PCI_D3hot state in PCI config space instead of setting it
9472 * according to the @msg provided by the PM.
9475 * 0 - driver suspended the device
9479 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9481 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9482 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9484 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9485 "0473 PCI device Power Management suspend.\n");
9487 /* Bring down the device */
9488 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9490 kthread_stop(phba
->worker_thread
);
9492 /* Disable interrupt from device */
9493 lpfc_sli_disable_intr(phba
);
9495 /* Save device state to PCI config space */
9496 pci_save_state(pdev
);
9497 pci_set_power_state(pdev
, PCI_D3hot
);
9503 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9504 * @pdev: pointer to PCI device
9506 * This routine is to be called from the kernel's PCI subsystem to support
9507 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9508 * invokes this method, it restores the device's PCI config space state and
9509 * fully reinitializes the device and brings it online. Note that as the
9510 * driver implements the minimum PM requirements to a power-aware driver's
9511 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9512 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9513 * driver will fully reinitialize its device during resume() method call,
9514 * the device will be set to PCI_D0 directly in PCI config space before
9515 * restoring the state.
9518 * 0 - driver suspended the device
9522 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9524 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9525 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9529 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9530 "0452 PCI device Power Management resume.\n");
9532 /* Restore device state from PCI config space */
9533 pci_set_power_state(pdev
, PCI_D0
);
9534 pci_restore_state(pdev
);
9537 * As the new kernel behavior of pci_restore_state() API call clears
9538 * device saved_state flag, need to save the restored state again.
9540 pci_save_state(pdev
);
9542 if (pdev
->is_busmaster
)
9543 pci_set_master(pdev
);
9545 /* Startup the kernel thread for this host adapter. */
9546 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9547 "lpfc_worker_%d", phba
->brd_no
);
9548 if (IS_ERR(phba
->worker_thread
)) {
9549 error
= PTR_ERR(phba
->worker_thread
);
9550 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9551 "0434 PM resume failed to start worker "
9552 "thread: error=x%x.\n", error
);
9556 /* Configure and enable interrupt */
9557 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9558 if (intr_mode
== LPFC_INTR_ERROR
) {
9559 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9560 "0430 PM resume Failed to enable interrupt\n");
9563 phba
->intr_mode
= intr_mode
;
9565 /* Restart HBA and bring it online */
9566 lpfc_sli_brdrestart(phba
);
9569 /* Log the current active interrupt mode */
9570 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9576 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9577 * @phba: pointer to lpfc hba data structure.
9579 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9580 * aborts all the outstanding SCSI I/Os to the pci device.
9583 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9585 struct lpfc_sli
*psli
= &phba
->sli
;
9586 struct lpfc_sli_ring
*pring
;
9588 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9589 "2723 PCI channel I/O abort preparing for recovery\n");
9592 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9593 * and let the SCSI mid-layer to retry them to recover.
9595 pring
= &psli
->ring
[psli
->fcp_ring
];
9596 lpfc_sli_abort_iocb_ring(phba
, pring
);
9600 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9601 * @phba: pointer to lpfc hba data structure.
9603 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9604 * disables the device interrupt and pci device, and aborts the internal FCP
9608 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9610 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9611 "2710 PCI channel disable preparing for reset\n");
9613 /* Block any management I/Os to the device */
9614 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9616 /* Block all SCSI devices' I/Os on the host */
9617 lpfc_scsi_dev_block(phba
);
9619 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9620 lpfc_sli_flush_fcp_rings(phba
);
9622 /* stop all timers */
9623 lpfc_stop_hba_timers(phba
);
9625 /* Disable interrupt and pci device */
9626 lpfc_sli_disable_intr(phba
);
9627 pci_disable_device(phba
->pcidev
);
9631 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9632 * @phba: pointer to lpfc hba data structure.
9634 * This routine is called to prepare the SLI3 device for PCI slot permanently
9635 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9639 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9641 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9642 "2711 PCI channel permanent disable for failure\n");
9643 /* Block all SCSI devices' I/Os on the host */
9644 lpfc_scsi_dev_block(phba
);
9646 /* stop all timers */
9647 lpfc_stop_hba_timers(phba
);
9649 /* Clean up all driver's outstanding SCSI I/Os */
9650 lpfc_sli_flush_fcp_rings(phba
);
9654 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9655 * @pdev: pointer to PCI device.
9656 * @state: the current PCI connection state.
9658 * This routine is called from the PCI subsystem for I/O error handling to
9659 * device with SLI-3 interface spec. This function is called by the PCI
9660 * subsystem after a PCI bus error affecting this device has been detected.
9661 * When this function is invoked, it will need to stop all the I/Os and
9662 * interrupt(s) to the device. Once that is done, it will return
9663 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9667 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9668 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9669 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9671 static pci_ers_result_t
9672 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9674 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9675 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9678 case pci_channel_io_normal
:
9679 /* Non-fatal error, prepare for recovery */
9680 lpfc_sli_prep_dev_for_recover(phba
);
9681 return PCI_ERS_RESULT_CAN_RECOVER
;
9682 case pci_channel_io_frozen
:
9683 /* Fatal error, prepare for slot reset */
9684 lpfc_sli_prep_dev_for_reset(phba
);
9685 return PCI_ERS_RESULT_NEED_RESET
;
9686 case pci_channel_io_perm_failure
:
9687 /* Permanent failure, prepare for device down */
9688 lpfc_sli_prep_dev_for_perm_failure(phba
);
9689 return PCI_ERS_RESULT_DISCONNECT
;
9691 /* Unknown state, prepare and request slot reset */
9692 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9693 "0472 Unknown PCI error state: x%x\n", state
);
9694 lpfc_sli_prep_dev_for_reset(phba
);
9695 return PCI_ERS_RESULT_NEED_RESET
;
9700 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9701 * @pdev: pointer to PCI device.
9703 * This routine is called from the PCI subsystem for error handling to
9704 * device with SLI-3 interface spec. This is called after PCI bus has been
9705 * reset to restart the PCI card from scratch, as if from a cold-boot.
9706 * During the PCI subsystem error recovery, after driver returns
9707 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9708 * recovery and then call this routine before calling the .resume method
9709 * to recover the device. This function will initialize the HBA device,
9710 * enable the interrupt, but it will just put the HBA to offline state
9711 * without passing any I/O traffic.
9714 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9715 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9717 static pci_ers_result_t
9718 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9720 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9721 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9722 struct lpfc_sli
*psli
= &phba
->sli
;
9725 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9726 if (pci_enable_device_mem(pdev
)) {
9727 printk(KERN_ERR
"lpfc: Cannot re-enable "
9728 "PCI device after reset.\n");
9729 return PCI_ERS_RESULT_DISCONNECT
;
9732 pci_restore_state(pdev
);
9735 * As the new kernel behavior of pci_restore_state() API call clears
9736 * device saved_state flag, need to save the restored state again.
9738 pci_save_state(pdev
);
9740 if (pdev
->is_busmaster
)
9741 pci_set_master(pdev
);
9743 spin_lock_irq(&phba
->hbalock
);
9744 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9745 spin_unlock_irq(&phba
->hbalock
);
9747 /* Configure and enable interrupt */
9748 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9749 if (intr_mode
== LPFC_INTR_ERROR
) {
9750 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9751 "0427 Cannot re-enable interrupt after "
9753 return PCI_ERS_RESULT_DISCONNECT
;
9755 phba
->intr_mode
= intr_mode
;
9757 /* Take device offline, it will perform cleanup */
9758 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9760 lpfc_sli_brdrestart(phba
);
9762 /* Log the current active interrupt mode */
9763 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9765 return PCI_ERS_RESULT_RECOVERED
;
9769 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9770 * @pdev: pointer to PCI device
9772 * This routine is called from the PCI subsystem for error handling to device
9773 * with SLI-3 interface spec. It is called when kernel error recovery tells
9774 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9775 * error recovery. After this call, traffic can start to flow from this device
9779 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9781 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9782 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9784 /* Bring device online, it will be no-op for non-fatal error resume */
9787 /* Clean up Advanced Error Reporting (AER) if needed */
9788 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9789 pci_cleanup_aer_uncorrect_error_status(pdev
);
9793 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9794 * @phba: pointer to lpfc hba data structure.
9796 * returns the number of ELS/CT IOCBs to reserve
9799 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9801 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9803 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9806 else if (max_xri
<= 256)
9808 else if (max_xri
<= 512)
9810 else if (max_xri
<= 1024)
9812 else if (max_xri
<= 1536)
9814 else if (max_xri
<= 2048)
9823 * lpfc_write_firmware - attempt to write a firmware image to the port
9824 * @fw: pointer to firmware image returned from request_firmware.
9825 * @phba: pointer to lpfc hba data structure.
9829 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
9831 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
9832 char fwrev
[FW_REV_STR_SIZE
];
9833 struct lpfc_grp_hdr
*image
;
9834 struct list_head dma_buffer_list
;
9836 struct lpfc_dmabuf
*dmabuf
, *next
;
9837 uint32_t offset
= 0, temp_offset
= 0;
9839 /* It can be null in no-wait mode, sanity check */
9844 image
= (struct lpfc_grp_hdr
*)fw
->data
;
9846 INIT_LIST_HEAD(&dma_buffer_list
);
9847 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9848 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9849 LPFC_FILE_TYPE_GROUP
) ||
9850 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9851 (be32_to_cpu(image
->size
) != fw
->size
)) {
9852 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9853 "3022 Invalid FW image found. "
9854 "Magic:%x Type:%x ID:%x\n",
9855 be32_to_cpu(image
->magic_number
),
9856 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9857 bf_get_be32(lpfc_grp_hdr_id
, image
));
9861 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9862 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9863 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9864 "3023 Updating Firmware, Current Version:%s "
9866 fwrev
, image
->revision
);
9867 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9868 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9874 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9878 if (!dmabuf
->virt
) {
9883 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9885 while (offset
< fw
->size
) {
9886 temp_offset
= offset
;
9887 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9888 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9889 memcpy(dmabuf
->virt
,
9890 fw
->data
+ temp_offset
,
9891 fw
->size
- temp_offset
);
9892 temp_offset
= fw
->size
;
9895 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9897 temp_offset
+= SLI4_PAGE_SIZE
;
9899 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9900 (fw
->size
- offset
), &offset
);
9908 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9909 list_del(&dmabuf
->list
);
9910 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9911 dmabuf
->virt
, dmabuf
->phys
);
9914 release_firmware(fw
);
9916 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9917 "3024 Firmware update done: %d.\n", rc
);
9922 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9923 * @phba: pointer to lpfc hba data structure.
9925 * This routine is called to perform Linux generic firmware upgrade on device
9926 * that supports such feature.
9929 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
9931 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
9933 const struct firmware
*fw
;
9935 /* Only supported on SLI4 interface type 2 for now */
9936 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
9937 LPFC_SLI_INTF_IF_TYPE_2
)
9940 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
9942 if (fw_upgrade
== INT_FW_UPGRADE
) {
9943 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
9944 file_name
, &phba
->pcidev
->dev
,
9945 GFP_KERNEL
, (void *)phba
,
9946 lpfc_write_firmware
);
9947 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
9948 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9950 lpfc_write_firmware(fw
, (void *)phba
);
9959 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9960 * @pdev: pointer to PCI device
9961 * @pid: pointer to PCI device identifier
9963 * This routine is called from the kernel's PCI subsystem to device with
9964 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9965 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9966 * information of the device and driver to see if the driver state that it
9967 * can support this kind of device. If the match is successful, the driver
9968 * core invokes this routine. If this routine determines it can claim the HBA,
9969 * it does all the initialization that it needs to do to handle the HBA
9973 * 0 - driver can claim the device
9974 * negative value - driver can not claim the device
9977 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9979 struct lpfc_hba
*phba
;
9980 struct lpfc_vport
*vport
= NULL
;
9981 struct Scsi_Host
*shost
= NULL
;
9983 uint32_t cfg_mode
, intr_mode
;
9984 int adjusted_fcp_io_channel
;
9986 /* Allocate memory for HBA structure */
9987 phba
= lpfc_hba_alloc(pdev
);
9991 /* Perform generic PCI device enabling operation */
9992 error
= lpfc_enable_pci_dev(phba
);
9996 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9997 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9999 goto out_disable_pci_dev
;
10001 /* Set up SLI-4 specific device PCI memory space */
10002 error
= lpfc_sli4_pci_mem_setup(phba
);
10004 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10005 "1410 Failed to set up pci memory space.\n");
10006 goto out_disable_pci_dev
;
10009 /* Set up phase-1 common device driver resources */
10010 error
= lpfc_setup_driver_resource_phase1(phba
);
10012 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10013 "1411 Failed to set up driver resource.\n");
10014 goto out_unset_pci_mem_s4
;
10017 /* Set up SLI-4 Specific device driver resources */
10018 error
= lpfc_sli4_driver_resource_setup(phba
);
10020 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10021 "1412 Failed to set up driver resource.\n");
10022 goto out_unset_pci_mem_s4
;
10025 /* Initialize and populate the iocb list per host */
10027 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10028 "2821 initialize iocb list %d.\n",
10029 phba
->cfg_iocb_cnt
*1024);
10030 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
10033 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10034 "1413 Failed to initialize iocb list.\n");
10035 goto out_unset_driver_resource_s4
;
10038 INIT_LIST_HEAD(&phba
->active_rrq_list
);
10039 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
10041 /* Set up common device driver resources */
10042 error
= lpfc_setup_driver_resource_phase2(phba
);
10044 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10045 "1414 Failed to set up driver resource.\n");
10046 goto out_free_iocb_list
;
10049 /* Get the default values for Model Name and Description */
10050 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10052 /* Create SCSI host to the physical port */
10053 error
= lpfc_create_shost(phba
);
10055 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10056 "1415 Failed to create scsi host.\n");
10057 goto out_unset_driver_resource
;
10060 /* Configure sysfs attributes */
10061 vport
= phba
->pport
;
10062 error
= lpfc_alloc_sysfs_attr(vport
);
10064 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10065 "1416 Failed to allocate sysfs attr\n");
10066 goto out_destroy_shost
;
10069 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10070 /* Now, trying to enable interrupt and bring up the device */
10071 cfg_mode
= phba
->cfg_use_msi
;
10073 /* Put device to a known state before enabling interrupt */
10074 lpfc_stop_port(phba
);
10075 /* Configure and enable interrupt */
10076 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
10077 if (intr_mode
== LPFC_INTR_ERROR
) {
10078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10079 "0426 Failed to enable interrupt.\n");
10081 goto out_free_sysfs_attr
;
10083 /* Default to single EQ for non-MSI-X */
10084 if (phba
->intr_type
!= MSIX
)
10085 adjusted_fcp_io_channel
= 1;
10087 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
10088 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
10089 /* Set up SLI-4 HBA */
10090 if (lpfc_sli4_hba_setup(phba
)) {
10091 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10092 "1421 Failed to set up hba\n");
10094 goto out_disable_intr
;
10097 /* Log the current active interrupt mode */
10098 phba
->intr_mode
= intr_mode
;
10099 lpfc_log_intr_mode(phba
, intr_mode
);
10101 /* Perform post initialization setup */
10102 lpfc_post_init_setup(phba
);
10104 /* check for firmware upgrade or downgrade */
10105 if (phba
->cfg_request_firmware_upgrade
)
10106 ret
= lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
10108 /* Check if there are static vports to be created. */
10109 lpfc_create_static_vport(phba
);
10113 lpfc_sli4_disable_intr(phba
);
10114 out_free_sysfs_attr
:
10115 lpfc_free_sysfs_attr(vport
);
10117 lpfc_destroy_shost(phba
);
10118 out_unset_driver_resource
:
10119 lpfc_unset_driver_resource_phase2(phba
);
10120 out_free_iocb_list
:
10121 lpfc_free_iocb_list(phba
);
10122 out_unset_driver_resource_s4
:
10123 lpfc_sli4_driver_resource_unset(phba
);
10124 out_unset_pci_mem_s4
:
10125 lpfc_sli4_pci_mem_unset(phba
);
10126 out_disable_pci_dev
:
10127 lpfc_disable_pci_dev(phba
);
10129 scsi_host_put(shost
);
10131 lpfc_hba_free(phba
);
10136 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
10137 * @pdev: pointer to PCI device
10139 * This routine is called from the kernel's PCI subsystem to device with
10140 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10141 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10142 * device to be removed from the PCI subsystem properly.
10145 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
10147 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10148 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10149 struct lpfc_vport
**vports
;
10150 struct lpfc_hba
*phba
= vport
->phba
;
10153 /* Mark the device unloading flag */
10154 spin_lock_irq(&phba
->hbalock
);
10155 vport
->load_flag
|= FC_UNLOADING
;
10156 spin_unlock_irq(&phba
->hbalock
);
10158 /* Free the HBA sysfs attributes */
10159 lpfc_free_sysfs_attr(vport
);
10161 /* Release all the vports against this physical port */
10162 vports
= lpfc_create_vport_work_array(phba
);
10163 if (vports
!= NULL
)
10164 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10165 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10167 fc_vport_terminate(vports
[i
]->fc_vport
);
10169 lpfc_destroy_vport_work_array(phba
, vports
);
10171 /* Remove FC host and then SCSI host with the physical port */
10172 fc_remove_host(shost
);
10173 scsi_remove_host(shost
);
10175 /* Perform cleanup on the physical port */
10176 lpfc_cleanup(vport
);
10179 * Bring down the SLI Layer. This step disables all interrupts,
10180 * clears the rings, discards all mailbox commands, and resets
10181 * the HBA FCoE function.
10183 lpfc_debugfs_terminate(vport
);
10184 lpfc_sli4_hba_unset(phba
);
10186 spin_lock_irq(&phba
->hbalock
);
10187 list_del_init(&vport
->listentry
);
10188 spin_unlock_irq(&phba
->hbalock
);
10190 /* Perform scsi free before driver resource_unset since scsi
10191 * buffers are released to their corresponding pools here.
10193 lpfc_scsi_free(phba
);
10195 lpfc_sli4_driver_resource_unset(phba
);
10197 /* Unmap adapter Control and Doorbell registers */
10198 lpfc_sli4_pci_mem_unset(phba
);
10200 /* Release PCI resources and disable device's PCI function */
10201 scsi_host_put(shost
);
10202 lpfc_disable_pci_dev(phba
);
10204 /* Finally, free the driver's device data structure */
10205 lpfc_hba_free(phba
);
10211 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
10212 * @pdev: pointer to PCI device
10213 * @msg: power management message
10215 * This routine is called from the kernel's PCI subsystem to support system
10216 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10217 * this method, it quiesces the device by stopping the driver's worker
10218 * thread for the device, turning off device's interrupt and DMA, and bring
10219 * the device offline. Note that as the driver implements the minimum PM
10220 * requirements to a power-aware driver's PM support for suspend/resume -- all
10221 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10222 * method call will be treated as SUSPEND and the driver will fully
10223 * reinitialize its device during resume() method call, the driver will set
10224 * device to PCI_D3hot state in PCI config space instead of setting it
10225 * according to the @msg provided by the PM.
10228 * 0 - driver suspended the device
10232 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
10234 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10235 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10237 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10238 "2843 PCI device Power Management suspend.\n");
10240 /* Bring down the device */
10241 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10242 lpfc_offline(phba
);
10243 kthread_stop(phba
->worker_thread
);
10245 /* Disable interrupt from device */
10246 lpfc_sli4_disable_intr(phba
);
10247 lpfc_sli4_queue_destroy(phba
);
10249 /* Save device state to PCI config space */
10250 pci_save_state(pdev
);
10251 pci_set_power_state(pdev
, PCI_D3hot
);
10257 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
10258 * @pdev: pointer to PCI device
10260 * This routine is called from the kernel's PCI subsystem to support system
10261 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10262 * this method, it restores the device's PCI config space state and fully
10263 * reinitializes the device and brings it online. Note that as the driver
10264 * implements the minimum PM requirements to a power-aware driver's PM for
10265 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10266 * to the suspend() method call will be treated as SUSPEND and the driver
10267 * will fully reinitialize its device during resume() method call, the device
10268 * will be set to PCI_D0 directly in PCI config space before restoring the
10272 * 0 - driver suspended the device
10276 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
10278 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10279 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10280 uint32_t intr_mode
;
10283 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10284 "0292 PCI device Power Management resume.\n");
10286 /* Restore device state from PCI config space */
10287 pci_set_power_state(pdev
, PCI_D0
);
10288 pci_restore_state(pdev
);
10291 * As the new kernel behavior of pci_restore_state() API call clears
10292 * device saved_state flag, need to save the restored state again.
10294 pci_save_state(pdev
);
10296 if (pdev
->is_busmaster
)
10297 pci_set_master(pdev
);
10299 /* Startup the kernel thread for this host adapter. */
10300 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10301 "lpfc_worker_%d", phba
->brd_no
);
10302 if (IS_ERR(phba
->worker_thread
)) {
10303 error
= PTR_ERR(phba
->worker_thread
);
10304 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10305 "0293 PM resume failed to start worker "
10306 "thread: error=x%x.\n", error
);
10310 /* Configure and enable interrupt */
10311 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10312 if (intr_mode
== LPFC_INTR_ERROR
) {
10313 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10314 "0294 PM resume Failed to enable interrupt\n");
10317 phba
->intr_mode
= intr_mode
;
10319 /* Restart HBA and bring it online */
10320 lpfc_sli_brdrestart(phba
);
10323 /* Log the current active interrupt mode */
10324 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10330 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10331 * @phba: pointer to lpfc hba data structure.
10333 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10334 * aborts all the outstanding SCSI I/Os to the pci device.
10337 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
10339 struct lpfc_sli
*psli
= &phba
->sli
;
10340 struct lpfc_sli_ring
*pring
;
10342 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10343 "2828 PCI channel I/O abort preparing for recovery\n");
10345 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10346 * and let the SCSI mid-layer to retry them to recover.
10348 pring
= &psli
->ring
[psli
->fcp_ring
];
10349 lpfc_sli_abort_iocb_ring(phba
, pring
);
10353 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10354 * @phba: pointer to lpfc hba data structure.
10356 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10357 * disables the device interrupt and pci device, and aborts the internal FCP
10361 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
10363 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10364 "2826 PCI channel disable preparing for reset\n");
10366 /* Block any management I/Os to the device */
10367 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10369 /* Block all SCSI devices' I/Os on the host */
10370 lpfc_scsi_dev_block(phba
);
10372 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10373 lpfc_sli_flush_fcp_rings(phba
);
10375 /* stop all timers */
10376 lpfc_stop_hba_timers(phba
);
10378 /* Disable interrupt and pci device */
10379 lpfc_sli4_disable_intr(phba
);
10380 lpfc_sli4_queue_destroy(phba
);
10381 pci_disable_device(phba
->pcidev
);
10385 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10386 * @phba: pointer to lpfc hba data structure.
10388 * This routine is called to prepare the SLI4 device for PCI slot permanently
10389 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10393 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10395 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10396 "2827 PCI channel permanent disable for failure\n");
10398 /* Block all SCSI devices' I/Os on the host */
10399 lpfc_scsi_dev_block(phba
);
10401 /* stop all timers */
10402 lpfc_stop_hba_timers(phba
);
10404 /* Clean up all driver's outstanding SCSI I/Os */
10405 lpfc_sli_flush_fcp_rings(phba
);
10409 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10410 * @pdev: pointer to PCI device.
10411 * @state: the current PCI connection state.
10413 * This routine is called from the PCI subsystem for error handling to device
10414 * with SLI-4 interface spec. This function is called by the PCI subsystem
10415 * after a PCI bus error affecting this device has been detected. When this
10416 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10417 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10418 * for the PCI subsystem to perform proper recovery as desired.
10421 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10422 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10424 static pci_ers_result_t
10425 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10427 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10428 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10431 case pci_channel_io_normal
:
10432 /* Non-fatal error, prepare for recovery */
10433 lpfc_sli4_prep_dev_for_recover(phba
);
10434 return PCI_ERS_RESULT_CAN_RECOVER
;
10435 case pci_channel_io_frozen
:
10436 /* Fatal error, prepare for slot reset */
10437 lpfc_sli4_prep_dev_for_reset(phba
);
10438 return PCI_ERS_RESULT_NEED_RESET
;
10439 case pci_channel_io_perm_failure
:
10440 /* Permanent failure, prepare for device down */
10441 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10442 return PCI_ERS_RESULT_DISCONNECT
;
10444 /* Unknown state, prepare and request slot reset */
10445 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10446 "2825 Unknown PCI error state: x%x\n", state
);
10447 lpfc_sli4_prep_dev_for_reset(phba
);
10448 return PCI_ERS_RESULT_NEED_RESET
;
10453 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10454 * @pdev: pointer to PCI device.
10456 * This routine is called from the PCI subsystem for error handling to device
10457 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10458 * restart the PCI card from scratch, as if from a cold-boot. During the
10459 * PCI subsystem error recovery, after the driver returns
10460 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10461 * recovery and then call this routine before calling the .resume method to
10462 * recover the device. This function will initialize the HBA device, enable
10463 * the interrupt, but it will just put the HBA to offline state without
10464 * passing any I/O traffic.
10467 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10468 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10470 static pci_ers_result_t
10471 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10473 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10474 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10475 struct lpfc_sli
*psli
= &phba
->sli
;
10476 uint32_t intr_mode
;
10478 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10479 if (pci_enable_device_mem(pdev
)) {
10480 printk(KERN_ERR
"lpfc: Cannot re-enable "
10481 "PCI device after reset.\n");
10482 return PCI_ERS_RESULT_DISCONNECT
;
10485 pci_restore_state(pdev
);
10488 * As the new kernel behavior of pci_restore_state() API call clears
10489 * device saved_state flag, need to save the restored state again.
10491 pci_save_state(pdev
);
10493 if (pdev
->is_busmaster
)
10494 pci_set_master(pdev
);
10496 spin_lock_irq(&phba
->hbalock
);
10497 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10498 spin_unlock_irq(&phba
->hbalock
);
10500 /* Configure and enable interrupt */
10501 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10502 if (intr_mode
== LPFC_INTR_ERROR
) {
10503 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10504 "2824 Cannot re-enable interrupt after "
10506 return PCI_ERS_RESULT_DISCONNECT
;
10508 phba
->intr_mode
= intr_mode
;
10510 /* Log the current active interrupt mode */
10511 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10513 return PCI_ERS_RESULT_RECOVERED
;
10517 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10518 * @pdev: pointer to PCI device
10520 * This routine is called from the PCI subsystem for error handling to device
10521 * with SLI-4 interface spec. It is called when kernel error recovery tells
10522 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10523 * error recovery. After this call, traffic can start to flow from this device
10527 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10529 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10530 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10533 * In case of slot reset, as function reset is performed through
10534 * mailbox command which needs DMA to be enabled, this operation
10535 * has to be moved to the io resume phase. Taking device offline
10536 * will perform the necessary cleanup.
10538 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10539 /* Perform device reset */
10540 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10541 lpfc_offline(phba
);
10542 lpfc_sli_brdrestart(phba
);
10543 /* Bring the device back online */
10547 /* Clean up Advanced Error Reporting (AER) if needed */
10548 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10549 pci_cleanup_aer_uncorrect_error_status(pdev
);
10553 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10554 * @pdev: pointer to PCI device
10555 * @pid: pointer to PCI device identifier
10557 * This routine is to be registered to the kernel's PCI subsystem. When an
10558 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10559 * at PCI device-specific information of the device and driver to see if the
10560 * driver state that it can support this kind of device. If the match is
10561 * successful, the driver core invokes this routine. This routine dispatches
10562 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10563 * do all the initialization that it needs to do to handle the HBA device
10567 * 0 - driver can claim the device
10568 * negative value - driver can not claim the device
10571 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10574 struct lpfc_sli_intf intf
;
10576 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10579 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10580 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10581 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10583 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10589 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10590 * @pdev: pointer to PCI device
10592 * This routine is to be registered to the kernel's PCI subsystem. When an
10593 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10594 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10595 * remove routine, which will perform all the necessary cleanup for the
10596 * device to be removed from the PCI subsystem properly.
10599 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10601 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10602 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10604 switch (phba
->pci_dev_grp
) {
10605 case LPFC_PCI_DEV_LP
:
10606 lpfc_pci_remove_one_s3(pdev
);
10608 case LPFC_PCI_DEV_OC
:
10609 lpfc_pci_remove_one_s4(pdev
);
10612 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10613 "1424 Invalid PCI device group: 0x%x\n",
10614 phba
->pci_dev_grp
);
10621 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10622 * @pdev: pointer to PCI device
10623 * @msg: power management message
10625 * This routine is to be registered to the kernel's PCI subsystem to support
10626 * system Power Management (PM). When PM invokes this method, it dispatches
10627 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10628 * suspend the device.
10631 * 0 - driver suspended the device
10635 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10637 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10638 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10641 switch (phba
->pci_dev_grp
) {
10642 case LPFC_PCI_DEV_LP
:
10643 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10645 case LPFC_PCI_DEV_OC
:
10646 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10649 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10650 "1425 Invalid PCI device group: 0x%x\n",
10651 phba
->pci_dev_grp
);
10658 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10659 * @pdev: pointer to PCI device
10661 * This routine is to be registered to the kernel's PCI subsystem to support
10662 * system Power Management (PM). When PM invokes this method, it dispatches
10663 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10664 * resume the device.
10667 * 0 - driver suspended the device
10671 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10673 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10674 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10677 switch (phba
->pci_dev_grp
) {
10678 case LPFC_PCI_DEV_LP
:
10679 rc
= lpfc_pci_resume_one_s3(pdev
);
10681 case LPFC_PCI_DEV_OC
:
10682 rc
= lpfc_pci_resume_one_s4(pdev
);
10685 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10686 "1426 Invalid PCI device group: 0x%x\n",
10687 phba
->pci_dev_grp
);
10694 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10695 * @pdev: pointer to PCI device.
10696 * @state: the current PCI connection state.
10698 * This routine is registered to the PCI subsystem for error handling. This
10699 * function is called by the PCI subsystem after a PCI bus error affecting
10700 * this device has been detected. When this routine is invoked, it dispatches
10701 * the action to the proper SLI-3 or SLI-4 device error detected handling
10702 * routine, which will perform the proper error detected operation.
10705 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10706 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10708 static pci_ers_result_t
10709 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10711 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10712 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10713 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10715 switch (phba
->pci_dev_grp
) {
10716 case LPFC_PCI_DEV_LP
:
10717 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10719 case LPFC_PCI_DEV_OC
:
10720 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10723 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10724 "1427 Invalid PCI device group: 0x%x\n",
10725 phba
->pci_dev_grp
);
10732 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10733 * @pdev: pointer to PCI device.
10735 * This routine is registered to the PCI subsystem for error handling. This
10736 * function is called after PCI bus has been reset to restart the PCI card
10737 * from scratch, as if from a cold-boot. When this routine is invoked, it
10738 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10739 * routine, which will perform the proper device reset.
10742 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10743 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10745 static pci_ers_result_t
10746 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10748 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10749 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10750 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10752 switch (phba
->pci_dev_grp
) {
10753 case LPFC_PCI_DEV_LP
:
10754 rc
= lpfc_io_slot_reset_s3(pdev
);
10756 case LPFC_PCI_DEV_OC
:
10757 rc
= lpfc_io_slot_reset_s4(pdev
);
10760 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10761 "1428 Invalid PCI device group: 0x%x\n",
10762 phba
->pci_dev_grp
);
10769 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10770 * @pdev: pointer to PCI device
10772 * This routine is registered to the PCI subsystem for error handling. It
10773 * is called when kernel error recovery tells the lpfc driver that it is
10774 * OK to resume normal PCI operation after PCI bus error recovery. When
10775 * this routine is invoked, it dispatches the action to the proper SLI-3
10776 * or SLI-4 device io_resume routine, which will resume the device operation.
10779 lpfc_io_resume(struct pci_dev
*pdev
)
10781 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10782 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10784 switch (phba
->pci_dev_grp
) {
10785 case LPFC_PCI_DEV_LP
:
10786 lpfc_io_resume_s3(pdev
);
10788 case LPFC_PCI_DEV_OC
:
10789 lpfc_io_resume_s4(pdev
);
10792 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10793 "1429 Invalid PCI device group: 0x%x\n",
10794 phba
->pci_dev_grp
);
10800 static struct pci_device_id lpfc_id_table
[] = {
10801 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10802 PCI_ANY_ID
, PCI_ANY_ID
, },
10803 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10804 PCI_ANY_ID
, PCI_ANY_ID
, },
10805 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10806 PCI_ANY_ID
, PCI_ANY_ID
, },
10807 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10808 PCI_ANY_ID
, PCI_ANY_ID
, },
10809 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10810 PCI_ANY_ID
, PCI_ANY_ID
, },
10811 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10812 PCI_ANY_ID
, PCI_ANY_ID
, },
10813 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10814 PCI_ANY_ID
, PCI_ANY_ID
, },
10815 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10816 PCI_ANY_ID
, PCI_ANY_ID
, },
10817 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10818 PCI_ANY_ID
, PCI_ANY_ID
, },
10819 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10820 PCI_ANY_ID
, PCI_ANY_ID
, },
10821 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10822 PCI_ANY_ID
, PCI_ANY_ID
, },
10823 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10824 PCI_ANY_ID
, PCI_ANY_ID
, },
10825 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10826 PCI_ANY_ID
, PCI_ANY_ID
, },
10827 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10828 PCI_ANY_ID
, PCI_ANY_ID
, },
10829 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10830 PCI_ANY_ID
, PCI_ANY_ID
, },
10831 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10832 PCI_ANY_ID
, PCI_ANY_ID
, },
10833 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10834 PCI_ANY_ID
, PCI_ANY_ID
, },
10835 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10836 PCI_ANY_ID
, PCI_ANY_ID
, },
10837 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10838 PCI_ANY_ID
, PCI_ANY_ID
, },
10839 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10840 PCI_ANY_ID
, PCI_ANY_ID
, },
10841 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10842 PCI_ANY_ID
, PCI_ANY_ID
, },
10843 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10844 PCI_ANY_ID
, PCI_ANY_ID
, },
10845 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10846 PCI_ANY_ID
, PCI_ANY_ID
, },
10847 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10848 PCI_ANY_ID
, PCI_ANY_ID
, },
10849 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10850 PCI_ANY_ID
, PCI_ANY_ID
, },
10851 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10852 PCI_ANY_ID
, PCI_ANY_ID
, },
10853 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10854 PCI_ANY_ID
, PCI_ANY_ID
, },
10855 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10856 PCI_ANY_ID
, PCI_ANY_ID
, },
10857 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10858 PCI_ANY_ID
, PCI_ANY_ID
, },
10859 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10860 PCI_ANY_ID
, PCI_ANY_ID
, },
10861 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10862 PCI_ANY_ID
, PCI_ANY_ID
, },
10863 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10864 PCI_ANY_ID
, PCI_ANY_ID
, },
10865 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10866 PCI_ANY_ID
, PCI_ANY_ID
, },
10867 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10868 PCI_ANY_ID
, PCI_ANY_ID
, },
10869 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10870 PCI_ANY_ID
, PCI_ANY_ID
, },
10871 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10872 PCI_ANY_ID
, PCI_ANY_ID
, },
10873 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10874 PCI_ANY_ID
, PCI_ANY_ID
, },
10875 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10876 PCI_ANY_ID
, PCI_ANY_ID
, },
10877 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10878 PCI_ANY_ID
, PCI_ANY_ID
, },
10879 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10880 PCI_ANY_ID
, PCI_ANY_ID
, },
10881 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10882 PCI_ANY_ID
, PCI_ANY_ID
, },
10883 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10884 PCI_ANY_ID
, PCI_ANY_ID
, },
10885 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10886 PCI_ANY_ID
, PCI_ANY_ID
, },
10887 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10888 PCI_ANY_ID
, PCI_ANY_ID
, },
10889 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10890 PCI_ANY_ID
, PCI_ANY_ID
, },
10891 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
10892 PCI_ANY_ID
, PCI_ANY_ID
, },
10893 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
10894 PCI_ANY_ID
, PCI_ANY_ID
, },
10898 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10900 static const struct pci_error_handlers lpfc_err_handler
= {
10901 .error_detected
= lpfc_io_error_detected
,
10902 .slot_reset
= lpfc_io_slot_reset
,
10903 .resume
= lpfc_io_resume
,
10906 static struct pci_driver lpfc_driver
= {
10907 .name
= LPFC_DRIVER_NAME
,
10908 .id_table
= lpfc_id_table
,
10909 .probe
= lpfc_pci_probe_one
,
10910 .remove
= lpfc_pci_remove_one
,
10911 .suspend
= lpfc_pci_suspend_one
,
10912 .resume
= lpfc_pci_resume_one
,
10913 .err_handler
= &lpfc_err_handler
,
10916 static const struct file_operations lpfc_mgmt_fop
= {
10917 .owner
= THIS_MODULE
,
10920 static struct miscdevice lpfc_mgmt_dev
= {
10921 .minor
= MISC_DYNAMIC_MINOR
,
10922 .name
= "lpfcmgmt",
10923 .fops
= &lpfc_mgmt_fop
,
10927 * lpfc_init - lpfc module initialization routine
10929 * This routine is to be invoked when the lpfc module is loaded into the
10930 * kernel. The special kernel macro module_init() is used to indicate the
10931 * role of this routine to the kernel as lpfc module entry point.
10935 * -ENOMEM - FC attach transport failed
10936 * all others - failed
10944 printk(LPFC_MODULE_DESC
"\n");
10945 printk(LPFC_COPYRIGHT
"\n");
10947 error
= misc_register(&lpfc_mgmt_dev
);
10949 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10950 "misc_register returned with status %d", error
);
10952 if (lpfc_enable_npiv
) {
10953 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10954 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10956 lpfc_transport_template
=
10957 fc_attach_transport(&lpfc_transport_functions
);
10958 if (lpfc_transport_template
== NULL
)
10960 if (lpfc_enable_npiv
) {
10961 lpfc_vport_transport_template
=
10962 fc_attach_transport(&lpfc_vport_transport_functions
);
10963 if (lpfc_vport_transport_template
== NULL
) {
10964 fc_release_transport(lpfc_transport_template
);
10969 /* Initialize in case vector mapping is needed */
10970 for (cpu
= 0; cpu
< LPFC_MAX_CPU
; cpu
++)
10971 lpfc_used_cpu
[cpu
] = LPFC_VECTOR_MAP_EMPTY
;
10973 error
= pci_register_driver(&lpfc_driver
);
10975 fc_release_transport(lpfc_transport_template
);
10976 if (lpfc_enable_npiv
)
10977 fc_release_transport(lpfc_vport_transport_template
);
10984 * lpfc_exit - lpfc module removal routine
10986 * This routine is invoked when the lpfc module is removed from the kernel.
10987 * The special kernel macro module_exit() is used to indicate the role of
10988 * this routine to the kernel as lpfc module exit point.
10993 misc_deregister(&lpfc_mgmt_dev
);
10994 pci_unregister_driver(&lpfc_driver
);
10995 fc_release_transport(lpfc_transport_template
);
10996 if (lpfc_enable_npiv
)
10997 fc_release_transport(lpfc_vport_transport_template
);
10998 if (_dump_buf_data
) {
10999 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
11000 "_dump_buf_data at 0x%p\n",
11001 (1L << _dump_buf_data_order
), _dump_buf_data
);
11002 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
11005 if (_dump_buf_dif
) {
11006 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
11007 "_dump_buf_dif at 0x%p\n",
11008 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
11009 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
11013 module_init(lpfc_init
);
11014 module_exit(lpfc_exit
);
11015 MODULE_LICENSE("GPL");
11016 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
11017 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11018 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);