1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 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>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_device.h>
38 #include <scsi/scsi_host.h>
39 #include <scsi/scsi_transport_fc.h>
44 #include "lpfc_sli4.h"
46 #include "lpfc_disc.h"
47 #include "lpfc_scsi.h"
49 #include "lpfc_logmsg.h"
50 #include "lpfc_crtn.h"
51 #include "lpfc_vport.h"
52 #include "lpfc_version.h"
55 unsigned long _dump_buf_data_order
;
57 unsigned long _dump_buf_dif_order
;
58 spinlock_t _dump_buf_lock
;
60 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
61 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
62 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
63 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
64 static int lpfc_setup_endian_order(struct lpfc_hba
*);
65 static int lpfc_sli4_read_config(struct lpfc_hba
*);
66 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
67 static void lpfc_free_sgl_list(struct lpfc_hba
*);
68 static int lpfc_init_sgl_list(struct lpfc_hba
*);
69 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
70 static void lpfc_free_active_sgl(struct lpfc_hba
*);
71 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
72 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
73 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
74 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
75 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
77 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
78 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
79 static DEFINE_IDR(lpfc_hba_index
);
82 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
83 * @phba: pointer to lpfc hba data structure.
85 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
86 * mailbox command. It retrieves the revision information from the HBA and
87 * collects the Vital Product Data (VPD) about the HBA for preparing the
88 * configuration of the HBA.
92 * -ERESTART - requests the SLI layer to reset the HBA and try again.
93 * Any other value - indicates an error.
96 lpfc_config_port_prep(struct lpfc_hba
*phba
)
98 lpfc_vpd_t
*vp
= &phba
->vpd
;
102 char *lpfc_vpd_data
= NULL
;
104 static char licensed
[56] =
105 "key unlock for use with gnu public licensed code only\0";
106 static int init_key
= 1;
108 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
110 phba
->link_state
= LPFC_HBA_ERROR
;
115 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
117 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
119 uint32_t *ptext
= (uint32_t *) licensed
;
121 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
122 *ptext
= cpu_to_be32(*ptext
);
126 lpfc_read_nv(phba
, pmb
);
127 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
128 sizeof (mb
->un
.varRDnvp
.rsvd3
));
129 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
132 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
134 if (rc
!= MBX_SUCCESS
) {
135 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
136 "0324 Config Port initialization "
137 "error, mbxCmd x%x READ_NVPARM, "
139 mb
->mbxCommand
, mb
->mbxStatus
);
140 mempool_free(pmb
, phba
->mbox_mem_pool
);
143 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
145 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
149 phba
->sli3_options
= 0x0;
151 /* Setup and issue mailbox READ REV command */
152 lpfc_read_rev(phba
, pmb
);
153 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
154 if (rc
!= MBX_SUCCESS
) {
155 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
156 "0439 Adapter failed to init, mbxCmd x%x "
157 "READ_REV, mbxStatus x%x\n",
158 mb
->mbxCommand
, mb
->mbxStatus
);
159 mempool_free( pmb
, phba
->mbox_mem_pool
);
165 * The value of rr must be 1 since the driver set the cv field to 1.
166 * This setting requires the FW to set all revision fields.
168 if (mb
->un
.varRdRev
.rr
== 0) {
170 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
171 "0440 Adapter failed to init, READ_REV has "
172 "missing revision information.\n");
173 mempool_free(pmb
, phba
->mbox_mem_pool
);
177 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
178 mempool_free(pmb
, phba
->mbox_mem_pool
);
182 /* Save information as VPD data */
184 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
185 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
186 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
187 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
188 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
189 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
190 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
191 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
192 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
193 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
194 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
195 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
196 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
197 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
198 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
200 /* If the sli feature level is less then 9, we must
201 * tear down all RPIs and VPIs on link down if NPIV
204 if (vp
->rev
.feaLevelHigh
< 9)
205 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
207 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
208 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
209 sizeof (phba
->RandomData
));
211 /* Get adapter VPD information */
212 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
216 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
217 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
219 if (rc
!= MBX_SUCCESS
) {
220 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
221 "0441 VPD not present on adapter, "
222 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
223 mb
->mbxCommand
, mb
->mbxStatus
);
224 mb
->un
.varDmp
.word_cnt
= 0;
226 /* dump mem may return a zero when finished or we got a
227 * mailbox error, either way we are done.
229 if (mb
->un
.varDmp
.word_cnt
== 0)
231 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
232 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
233 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
234 lpfc_vpd_data
+ offset
,
235 mb
->un
.varDmp
.word_cnt
);
236 offset
+= mb
->un
.varDmp
.word_cnt
;
237 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
238 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
240 kfree(lpfc_vpd_data
);
242 mempool_free(pmb
, phba
->mbox_mem_pool
);
247 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
248 * @phba: pointer to lpfc hba data structure.
249 * @pmboxq: pointer to the driver internal queue element for mailbox command.
251 * This is the completion handler for driver's configuring asynchronous event
252 * mailbox command to the device. If the mailbox command returns successfully,
253 * it will set internal async event support flag to 1; otherwise, it will
254 * set internal async event support flag to 0.
257 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
259 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
260 phba
->temp_sensor_support
= 1;
262 phba
->temp_sensor_support
= 0;
263 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
268 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
269 * @phba: pointer to lpfc hba data structure.
270 * @pmboxq: pointer to the driver internal queue element for mailbox command.
272 * This is the completion handler for dump mailbox command for getting
273 * wake up parameters. When this command complete, the response contain
274 * Option rom version of the HBA. This function translate the version number
275 * into a human readable string and store it in OptionROMVersion.
278 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
281 uint32_t prog_id_word
;
283 /* character array used for decoding dist type. */
284 char dist_char
[] = "nabx";
286 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
287 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
291 prg
= (struct prog_id
*) &prog_id_word
;
293 /* word 7 contain option rom version */
294 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
296 /* Decode the Option rom version word to a readable string */
298 dist
= dist_char
[prg
->dist
];
300 if ((prg
->dist
== 3) && (prg
->num
== 0))
301 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
302 prg
->ver
, prg
->rev
, prg
->lev
);
304 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
305 prg
->ver
, prg
->rev
, prg
->lev
,
307 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
312 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
313 * cfg_soft_wwnn, cfg_soft_wwpn
314 * @vport: pointer to lpfc vport data structure.
321 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
323 /* If the soft name exists then update it using the service params */
324 if (vport
->phba
->cfg_soft_wwnn
)
325 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
326 vport
->fc_sparam
.nodeName
.u
.wwn
);
327 if (vport
->phba
->cfg_soft_wwpn
)
328 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
329 vport
->fc_sparam
.portName
.u
.wwn
);
332 * If the name is empty or there exists a soft name
333 * then copy the service params name, otherwise use the fc name
335 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
336 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
337 sizeof(struct lpfc_name
));
339 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
340 sizeof(struct lpfc_name
));
342 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
343 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
344 sizeof(struct lpfc_name
));
346 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
347 sizeof(struct lpfc_name
));
351 * lpfc_config_port_post - Perform lpfc initialization after config port
352 * @phba: pointer to lpfc hba data structure.
354 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
355 * command call. It performs all internal resource and state setups on the
356 * port: post IOCB buffers, enable appropriate host interrupt attentions,
357 * ELS ring timers, etc.
361 * Any other value - error.
364 lpfc_config_port_post(struct lpfc_hba
*phba
)
366 struct lpfc_vport
*vport
= phba
->pport
;
367 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
370 struct lpfc_dmabuf
*mp
;
371 struct lpfc_sli
*psli
= &phba
->sli
;
372 uint32_t status
, timeout
;
376 spin_lock_irq(&phba
->hbalock
);
378 * If the Config port completed correctly the HBA is not
379 * over heated any more.
381 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
382 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
383 spin_unlock_irq(&phba
->hbalock
);
385 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
387 phba
->link_state
= LPFC_HBA_ERROR
;
392 /* Get login parameters for NID. */
393 rc
= lpfc_read_sparam(phba
, pmb
, 0);
395 mempool_free(pmb
, phba
->mbox_mem_pool
);
400 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
402 "0448 Adapter failed init, mbxCmd x%x "
403 "READ_SPARM mbxStatus x%x\n",
404 mb
->mbxCommand
, mb
->mbxStatus
);
405 phba
->link_state
= LPFC_HBA_ERROR
;
406 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
407 mempool_free(pmb
, phba
->mbox_mem_pool
);
408 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
413 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
415 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
416 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
418 pmb
->context1
= NULL
;
419 lpfc_update_vport_wwn(vport
);
421 /* Update the fc_host data structures with new wwn. */
422 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
423 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
424 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
426 /* If no serial number in VPD data, use low 6 bytes of WWNN */
427 /* This should be consolidated into parse_vpd ? - mr */
428 if (phba
->SerialNumber
[0] == 0) {
431 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
432 for (i
= 0; i
< 12; i
++) {
434 j
= ((status
& 0xf0) >> 4);
436 phba
->SerialNumber
[i
] =
437 (char)((uint8_t) 0x30 + (uint8_t) j
);
439 phba
->SerialNumber
[i
] =
440 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
444 phba
->SerialNumber
[i
] =
445 (char)((uint8_t) 0x30 + (uint8_t) j
);
447 phba
->SerialNumber
[i
] =
448 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
452 lpfc_read_config(phba
, pmb
);
454 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
455 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
456 "0453 Adapter failed to init, mbxCmd x%x "
457 "READ_CONFIG, mbxStatus x%x\n",
458 mb
->mbxCommand
, mb
->mbxStatus
);
459 phba
->link_state
= LPFC_HBA_ERROR
;
460 mempool_free( pmb
, phba
->mbox_mem_pool
);
464 /* Check if the port is disabled */
465 lpfc_sli_read_link_ste(phba
);
467 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
468 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
469 phba
->cfg_hba_queue_depth
=
470 (mb
->un
.varRdConfig
.max_xri
+ 1) -
471 lpfc_sli4_get_els_iocb_cnt(phba
);
473 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
475 /* Get the default values for Model Name and Description */
476 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
478 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_16G
)
479 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
)
480 && !(phba
->lmt
& LMT_1Gb
))
481 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
)
482 && !(phba
->lmt
& LMT_2Gb
))
483 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
)
484 && !(phba
->lmt
& LMT_4Gb
))
485 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
)
486 && !(phba
->lmt
& LMT_8Gb
))
487 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
)
488 && !(phba
->lmt
& LMT_10Gb
))
489 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
)
490 && !(phba
->lmt
& LMT_16Gb
))) {
491 /* Reset link speed to auto */
492 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
493 "1302 Invalid speed for this board: "
494 "Reset link speed to auto: x%x\n",
495 phba
->cfg_link_speed
);
496 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
499 phba
->link_state
= LPFC_LINK_DOWN
;
501 /* Only process IOCBs on ELS ring till hba_state is READY */
502 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
503 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
504 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
505 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
506 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
507 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
509 /* Post receive buffers for desired rings */
510 if (phba
->sli_rev
!= 3)
511 lpfc_post_rcv_buf(phba
);
514 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
516 if (phba
->intr_type
== MSIX
) {
517 rc
= lpfc_config_msi(phba
, pmb
);
519 mempool_free(pmb
, phba
->mbox_mem_pool
);
522 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
523 if (rc
!= MBX_SUCCESS
) {
524 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
525 "0352 Config MSI mailbox command "
526 "failed, mbxCmd x%x, mbxStatus x%x\n",
527 pmb
->u
.mb
.mbxCommand
,
528 pmb
->u
.mb
.mbxStatus
);
529 mempool_free(pmb
, phba
->mbox_mem_pool
);
534 spin_lock_irq(&phba
->hbalock
);
535 /* Initialize ERATT handling flag */
536 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
538 /* Enable appropriate host interrupts */
539 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
540 spin_unlock_irq(&phba
->hbalock
);
543 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
544 if (psli
->num_rings
> 0)
545 status
|= HC_R0INT_ENA
;
546 if (psli
->num_rings
> 1)
547 status
|= HC_R1INT_ENA
;
548 if (psli
->num_rings
> 2)
549 status
|= HC_R2INT_ENA
;
550 if (psli
->num_rings
> 3)
551 status
|= HC_R3INT_ENA
;
553 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
554 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
555 status
&= ~(HC_R0INT_ENA
);
557 writel(status
, phba
->HCregaddr
);
558 readl(phba
->HCregaddr
); /* flush */
559 spin_unlock_irq(&phba
->hbalock
);
561 /* Set up ring-0 (ELS) timer */
562 timeout
= phba
->fc_ratov
* 2;
563 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
564 /* Set up heart beat (HB) timer */
565 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
566 phba
->hb_outstanding
= 0;
567 phba
->last_completion_time
= jiffies
;
568 /* Set up error attention (ERATT) polling timer */
569 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
571 if (phba
->hba_flag
& LINK_DISABLED
) {
572 lpfc_printf_log(phba
,
574 "2598 Adapter Link is disabled.\n");
575 lpfc_down_link(phba
, pmb
);
576 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
577 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
578 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
579 lpfc_printf_log(phba
,
581 "2599 Adapter failed to issue DOWN_LINK"
582 " mbox command rc 0x%x\n", rc
);
584 mempool_free(pmb
, phba
->mbox_mem_pool
);
587 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
588 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
,
589 phba
->cfg_link_speed
);
590 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
591 lpfc_set_loopback_flag(phba
);
592 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
593 if (rc
!= MBX_SUCCESS
) {
594 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
595 "0454 Adapter failed to init, mbxCmd x%x "
596 "INIT_LINK, mbxStatus x%x\n",
597 mb
->mbxCommand
, mb
->mbxStatus
);
599 /* Clear all interrupt enable conditions */
600 writel(0, phba
->HCregaddr
);
601 readl(phba
->HCregaddr
); /* flush */
602 /* Clear all pending interrupts */
603 writel(0xffffffff, phba
->HAregaddr
);
604 readl(phba
->HAregaddr
); /* flush */
605 phba
->link_state
= LPFC_HBA_ERROR
;
607 mempool_free(pmb
, phba
->mbox_mem_pool
);
611 /* MBOX buffer will be freed in mbox compl */
612 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
614 phba
->link_state
= LPFC_HBA_ERROR
;
618 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
619 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
620 pmb
->vport
= phba
->pport
;
621 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
623 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
624 lpfc_printf_log(phba
,
627 "0456 Adapter failed to issue "
628 "ASYNCEVT_ENABLE mbox status x%x\n",
630 mempool_free(pmb
, phba
->mbox_mem_pool
);
633 /* Get Option rom version */
634 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
636 phba
->link_state
= LPFC_HBA_ERROR
;
640 lpfc_dump_wakeup_param(phba
, pmb
);
641 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
642 pmb
->vport
= phba
->pport
;
643 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
645 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
646 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
647 "to get Option ROM version status x%x\n", rc
);
648 mempool_free(pmb
, phba
->mbox_mem_pool
);
655 * lpfc_hba_init_link - Initialize the FC link
656 * @phba: pointer to lpfc hba data structure.
657 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
659 * This routine will issue the INIT_LINK mailbox command call.
660 * It is available to other drivers through the lpfc_hba data
661 * structure for use as a delayed link up mechanism with the
662 * module parameter lpfc_suppress_link_up.
666 * Any other value - error
669 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
671 struct lpfc_vport
*vport
= phba
->pport
;
676 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
678 phba
->link_state
= LPFC_HBA_ERROR
;
684 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
685 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
686 lpfc_set_loopback_flag(phba
);
687 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
688 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
690 "0498 Adapter failed to init, mbxCmd x%x "
691 "INIT_LINK, mbxStatus x%x\n",
692 mb
->mbxCommand
, mb
->mbxStatus
);
693 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
694 /* Clear all interrupt enable conditions */
695 writel(0, phba
->HCregaddr
);
696 readl(phba
->HCregaddr
); /* flush */
697 /* Clear all pending interrupts */
698 writel(0xffffffff, phba
->HAregaddr
);
699 readl(phba
->HAregaddr
); /* flush */
701 phba
->link_state
= LPFC_HBA_ERROR
;
702 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
703 mempool_free(pmb
, phba
->mbox_mem_pool
);
706 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
707 if (flag
== MBX_POLL
)
708 mempool_free(pmb
, phba
->mbox_mem_pool
);
714 * lpfc_hba_down_link - this routine downs the FC link
715 * @phba: pointer to lpfc hba data structure.
716 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
718 * This routine will issue the DOWN_LINK mailbox command call.
719 * It is available to other drivers through the lpfc_hba data
720 * structure for use to stop the link.
724 * Any other value - error
727 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
732 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
734 phba
->link_state
= LPFC_HBA_ERROR
;
738 lpfc_printf_log(phba
,
740 "0491 Adapter Link is disabled.\n");
741 lpfc_down_link(phba
, pmb
);
742 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
743 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
744 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
745 lpfc_printf_log(phba
,
747 "2522 Adapter failed to issue DOWN_LINK"
748 " mbox command rc 0x%x\n", rc
);
750 mempool_free(pmb
, phba
->mbox_mem_pool
);
753 if (flag
== MBX_POLL
)
754 mempool_free(pmb
, phba
->mbox_mem_pool
);
760 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
761 * @phba: pointer to lpfc HBA data structure.
763 * This routine will do LPFC uninitialization before the HBA is reset when
764 * bringing down the SLI Layer.
768 * Any other value - error.
771 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
773 struct lpfc_vport
**vports
;
776 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
777 /* Disable interrupts */
778 writel(0, phba
->HCregaddr
);
779 readl(phba
->HCregaddr
); /* flush */
782 if (phba
->pport
->load_flag
& FC_UNLOADING
)
783 lpfc_cleanup_discovery_resources(phba
->pport
);
785 vports
= lpfc_create_vport_work_array(phba
);
787 for (i
= 0; i
<= phba
->max_vports
&&
788 vports
[i
] != NULL
; i
++)
789 lpfc_cleanup_discovery_resources(vports
[i
]);
790 lpfc_destroy_vport_work_array(phba
, vports
);
796 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
797 * @phba: pointer to lpfc HBA data structure.
799 * This routine will do uninitialization after the HBA is reset when bring
800 * down the SLI Layer.
804 * Any other value - error.
807 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
809 struct lpfc_sli
*psli
= &phba
->sli
;
810 struct lpfc_sli_ring
*pring
;
811 struct lpfc_dmabuf
*mp
, *next_mp
;
812 LIST_HEAD(completions
);
815 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
816 lpfc_sli_hbqbuf_free_all(phba
);
818 /* Cleanup preposted buffers on the ELS ring */
819 pring
= &psli
->ring
[LPFC_ELS_RING
];
820 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
822 pring
->postbufq_cnt
--;
823 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
828 spin_lock_irq(&phba
->hbalock
);
829 for (i
= 0; i
< psli
->num_rings
; i
++) {
830 pring
= &psli
->ring
[i
];
832 /* At this point in time the HBA is either reset or DOA. Either
833 * way, nothing should be on txcmplq as it will NEVER complete.
835 list_splice_init(&pring
->txcmplq
, &completions
);
836 pring
->txcmplq_cnt
= 0;
837 spin_unlock_irq(&phba
->hbalock
);
839 /* Cancel all the IOCBs from the completions list */
840 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
843 lpfc_sli_abort_iocb_ring(phba
, pring
);
844 spin_lock_irq(&phba
->hbalock
);
846 spin_unlock_irq(&phba
->hbalock
);
852 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
853 * @phba: pointer to lpfc HBA data structure.
855 * This routine will do uninitialization after the HBA is reset when bring
856 * down the SLI Layer.
860 * Any other value - error.
863 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
865 struct lpfc_scsi_buf
*psb
, *psb_next
;
868 unsigned long iflag
= 0;
869 struct lpfc_sglq
*sglq_entry
= NULL
;
871 ret
= lpfc_hba_down_post_s3(phba
);
874 /* At this point in time the HBA is either reset or DOA. Either
875 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
876 * on the lpfc_sgl_list so that it can either be freed if the
877 * driver is unloading or reposted if the driver is restarting
880 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
882 /* abts_sgl_list_lock required because worker thread uses this
885 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
886 list_for_each_entry(sglq_entry
,
887 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
888 sglq_entry
->state
= SGL_FREED
;
890 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
891 &phba
->sli4_hba
.lpfc_sgl_list
);
892 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
893 /* abts_scsi_buf_list_lock required because worker thread uses this
896 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
897 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
899 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
900 spin_unlock_irq(&phba
->hbalock
);
902 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
904 psb
->status
= IOSTAT_SUCCESS
;
906 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
907 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
908 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
913 * lpfc_hba_down_post - Wrapper func for hba down post routine
914 * @phba: pointer to lpfc HBA data structure.
916 * This routine wraps the actual SLI3 or SLI4 routine for performing
917 * uninitialization after the HBA is reset when bring down the SLI Layer.
921 * Any other value - error.
924 lpfc_hba_down_post(struct lpfc_hba
*phba
)
926 return (*phba
->lpfc_hba_down_post
)(phba
);
930 * lpfc_hb_timeout - The HBA-timer timeout handler
931 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
933 * This is the HBA-timer timeout handler registered to the lpfc driver. When
934 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
935 * work-port-events bitmap and the worker thread is notified. This timeout
936 * event will be used by the worker thread to invoke the actual timeout
937 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
938 * be performed in the timeout handler and the HBA timeout event bit shall
939 * be cleared by the worker thread after it has taken the event bitmap out.
942 lpfc_hb_timeout(unsigned long ptr
)
944 struct lpfc_hba
*phba
;
948 phba
= (struct lpfc_hba
*)ptr
;
950 /* Check for heart beat timeout conditions */
951 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
952 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
954 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
955 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
957 /* Tell the worker thread there is work to do */
959 lpfc_worker_wake_up(phba
);
964 * lpfc_rrq_timeout - The RRQ-timer timeout handler
965 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
967 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
968 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
969 * work-port-events bitmap and the worker thread is notified. This timeout
970 * event will be used by the worker thread to invoke the actual timeout
971 * handler routine, lpfc_rrq_handler. Any periodical operations will
972 * be performed in the timeout handler and the RRQ timeout event bit shall
973 * be cleared by the worker thread after it has taken the event bitmap out.
976 lpfc_rrq_timeout(unsigned long ptr
)
978 struct lpfc_hba
*phba
;
981 phba
= (struct lpfc_hba
*)ptr
;
982 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
983 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
984 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
985 lpfc_worker_wake_up(phba
);
989 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
990 * @phba: pointer to lpfc hba data structure.
991 * @pmboxq: pointer to the driver internal queue element for mailbox command.
993 * This is the callback function to the lpfc heart-beat mailbox command.
994 * If configured, the lpfc driver issues the heart-beat mailbox command to
995 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
996 * heart-beat mailbox command is issued, the driver shall set up heart-beat
997 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
998 * heart-beat outstanding state. Once the mailbox command comes back and
999 * no error conditions detected, the heart-beat mailbox command timer is
1000 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1001 * state is cleared for the next heart-beat. If the timer expired with the
1002 * heart-beat outstanding state set, the driver will put the HBA offline.
1005 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1007 unsigned long drvr_flag
;
1009 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1010 phba
->hb_outstanding
= 0;
1011 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1013 /* Check and reset heart-beat timer is necessary */
1014 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1015 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1016 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1017 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1018 mod_timer(&phba
->hb_tmofunc
,
1019 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1024 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1025 * @phba: pointer to lpfc hba data structure.
1027 * This is the actual HBA-timer timeout handler to be invoked by the worker
1028 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1029 * handler performs any periodic operations needed for the device. If such
1030 * periodic event has already been attended to either in the interrupt handler
1031 * or by processing slow-ring or fast-ring events within the HBA-timer
1032 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1033 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1034 * is configured and there is no heart-beat mailbox command outstanding, a
1035 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1036 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1040 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1042 struct lpfc_vport
**vports
;
1043 LPFC_MBOXQ_t
*pmboxq
;
1044 struct lpfc_dmabuf
*buf_ptr
;
1046 struct lpfc_sli
*psli
= &phba
->sli
;
1047 LIST_HEAD(completions
);
1049 vports
= lpfc_create_vport_work_array(phba
);
1051 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1052 lpfc_rcv_seq_check_edtov(vports
[i
]);
1053 lpfc_destroy_vport_work_array(phba
, vports
);
1055 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1056 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1057 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1060 spin_lock_irq(&phba
->pport
->work_port_lock
);
1062 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1064 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1065 if (!phba
->hb_outstanding
)
1066 mod_timer(&phba
->hb_tmofunc
,
1067 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1069 mod_timer(&phba
->hb_tmofunc
,
1070 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1073 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1075 if (phba
->elsbuf_cnt
&&
1076 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1077 spin_lock_irq(&phba
->hbalock
);
1078 list_splice_init(&phba
->elsbuf
, &completions
);
1079 phba
->elsbuf_cnt
= 0;
1080 phba
->elsbuf_prev_cnt
= 0;
1081 spin_unlock_irq(&phba
->hbalock
);
1083 while (!list_empty(&completions
)) {
1084 list_remove_head(&completions
, buf_ptr
,
1085 struct lpfc_dmabuf
, list
);
1086 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1090 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1092 /* If there is no heart beat outstanding, issue a heartbeat command */
1093 if (phba
->cfg_enable_hba_heartbeat
) {
1094 if (!phba
->hb_outstanding
) {
1095 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1096 (list_empty(&psli
->mboxq
))) {
1097 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1100 mod_timer(&phba
->hb_tmofunc
,
1102 HZ
* LPFC_HB_MBOX_INTERVAL
);
1106 lpfc_heart_beat(phba
, pmboxq
);
1107 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1108 pmboxq
->vport
= phba
->pport
;
1109 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1112 if (retval
!= MBX_BUSY
&&
1113 retval
!= MBX_SUCCESS
) {
1114 mempool_free(pmboxq
,
1115 phba
->mbox_mem_pool
);
1116 mod_timer(&phba
->hb_tmofunc
,
1118 HZ
* LPFC_HB_MBOX_INTERVAL
);
1121 phba
->skipped_hb
= 0;
1122 phba
->hb_outstanding
= 1;
1123 } else if (time_before_eq(phba
->last_completion_time
,
1124 phba
->skipped_hb
)) {
1125 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1126 "2857 Last completion time not "
1127 " updated in %d ms\n",
1128 jiffies_to_msecs(jiffies
1129 - phba
->last_completion_time
));
1131 phba
->skipped_hb
= jiffies
;
1133 mod_timer(&phba
->hb_tmofunc
,
1134 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1138 * If heart beat timeout called with hb_outstanding set
1139 * we need to give the hb mailbox cmd a chance to
1142 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1143 "0459 Adapter heartbeat still out"
1144 "standing:last compl time was %d ms.\n",
1145 jiffies_to_msecs(jiffies
1146 - phba
->last_completion_time
));
1147 mod_timer(&phba
->hb_tmofunc
,
1148 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1154 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1155 * @phba: pointer to lpfc hba data structure.
1157 * This routine is called to bring the HBA offline when HBA hardware error
1158 * other than Port Error 6 has been detected.
1161 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1163 struct lpfc_sli
*psli
= &phba
->sli
;
1165 spin_lock_irq(&phba
->hbalock
);
1166 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1167 spin_unlock_irq(&phba
->hbalock
);
1168 lpfc_offline_prep(phba
);
1171 lpfc_reset_barrier(phba
);
1172 spin_lock_irq(&phba
->hbalock
);
1173 lpfc_sli_brdreset(phba
);
1174 spin_unlock_irq(&phba
->hbalock
);
1175 lpfc_hba_down_post(phba
);
1176 lpfc_sli_brdready(phba
, HS_MBRDY
);
1177 lpfc_unblock_mgmt_io(phba
);
1178 phba
->link_state
= LPFC_HBA_ERROR
;
1183 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1184 * @phba: pointer to lpfc hba data structure.
1186 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1187 * other than Port Error 6 has been detected.
1190 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1192 lpfc_offline_prep(phba
);
1194 lpfc_sli4_brdreset(phba
);
1195 lpfc_hba_down_post(phba
);
1196 lpfc_sli4_post_status_check(phba
);
1197 lpfc_unblock_mgmt_io(phba
);
1198 phba
->link_state
= LPFC_HBA_ERROR
;
1202 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1203 * @phba: pointer to lpfc hba data structure.
1205 * This routine is invoked to handle the deferred HBA hardware error
1206 * conditions. This type of error is indicated by HBA by setting ER1
1207 * and another ER bit in the host status register. The driver will
1208 * wait until the ER1 bit clears before handling the error condition.
1211 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1213 uint32_t old_host_status
= phba
->work_hs
;
1214 struct lpfc_sli_ring
*pring
;
1215 struct lpfc_sli
*psli
= &phba
->sli
;
1217 /* If the pci channel is offline, ignore possible errors,
1218 * since we cannot communicate with the pci card anyway.
1220 if (pci_channel_offline(phba
->pcidev
)) {
1221 spin_lock_irq(&phba
->hbalock
);
1222 phba
->hba_flag
&= ~DEFER_ERATT
;
1223 spin_unlock_irq(&phba
->hbalock
);
1227 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1228 "0479 Deferred Adapter Hardware Error "
1229 "Data: x%x x%x x%x\n",
1231 phba
->work_status
[0], phba
->work_status
[1]);
1233 spin_lock_irq(&phba
->hbalock
);
1234 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1235 spin_unlock_irq(&phba
->hbalock
);
1239 * Firmware stops when it triggred erratt. That could cause the I/Os
1240 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1241 * SCSI layer retry it after re-establishing link.
1243 pring
= &psli
->ring
[psli
->fcp_ring
];
1244 lpfc_sli_abort_iocb_ring(phba
, pring
);
1247 * There was a firmware error. Take the hba offline and then
1248 * attempt to restart it.
1250 lpfc_offline_prep(phba
);
1253 /* Wait for the ER1 bit to clear.*/
1254 while (phba
->work_hs
& HS_FFER1
) {
1256 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1257 phba
->work_hs
= UNPLUG_ERR
;
1260 /* If driver is unloading let the worker thread continue */
1261 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1268 * This is to ptrotect against a race condition in which
1269 * first write to the host attention register clear the
1270 * host status register.
1272 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1273 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1275 spin_lock_irq(&phba
->hbalock
);
1276 phba
->hba_flag
&= ~DEFER_ERATT
;
1277 spin_unlock_irq(&phba
->hbalock
);
1278 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1279 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1283 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1285 struct lpfc_board_event_header board_event
;
1286 struct Scsi_Host
*shost
;
1288 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1289 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1290 shost
= lpfc_shost_from_vport(phba
->pport
);
1291 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1292 sizeof(board_event
),
1293 (char *) &board_event
,
1298 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1299 * @phba: pointer to lpfc hba data structure.
1301 * This routine is invoked to handle the following HBA hardware error
1303 * 1 - HBA error attention interrupt
1304 * 2 - DMA ring index out of range
1305 * 3 - Mailbox command came back as unknown
1308 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1310 struct lpfc_vport
*vport
= phba
->pport
;
1311 struct lpfc_sli
*psli
= &phba
->sli
;
1312 struct lpfc_sli_ring
*pring
;
1313 uint32_t event_data
;
1314 unsigned long temperature
;
1315 struct temp_event temp_event_data
;
1316 struct Scsi_Host
*shost
;
1318 /* If the pci channel is offline, ignore possible errors,
1319 * since we cannot communicate with the pci card anyway.
1321 if (pci_channel_offline(phba
->pcidev
)) {
1322 spin_lock_irq(&phba
->hbalock
);
1323 phba
->hba_flag
&= ~DEFER_ERATT
;
1324 spin_unlock_irq(&phba
->hbalock
);
1328 /* If resets are disabled then leave the HBA alone and return */
1329 if (!phba
->cfg_enable_hba_reset
)
1332 /* Send an internal error event to mgmt application */
1333 lpfc_board_errevt_to_mgmt(phba
);
1335 if (phba
->hba_flag
& DEFER_ERATT
)
1336 lpfc_handle_deferred_eratt(phba
);
1338 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1339 if (phba
->work_hs
& HS_FFER6
)
1340 /* Re-establishing Link */
1341 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1342 "1301 Re-establishing Link "
1343 "Data: x%x x%x x%x\n",
1344 phba
->work_hs
, phba
->work_status
[0],
1345 phba
->work_status
[1]);
1346 if (phba
->work_hs
& HS_FFER8
)
1347 /* Device Zeroization */
1348 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1349 "2861 Host Authentication device "
1350 "zeroization Data:x%x x%x x%x\n",
1351 phba
->work_hs
, phba
->work_status
[0],
1352 phba
->work_status
[1]);
1354 spin_lock_irq(&phba
->hbalock
);
1355 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1356 spin_unlock_irq(&phba
->hbalock
);
1359 * Firmware stops when it triggled erratt with HS_FFER6.
1360 * That could cause the I/Os dropped by the firmware.
1361 * Error iocb (I/O) on txcmplq and let the SCSI layer
1362 * retry it after re-establishing link.
1364 pring
= &psli
->ring
[psli
->fcp_ring
];
1365 lpfc_sli_abort_iocb_ring(phba
, pring
);
1368 * There was a firmware error. Take the hba offline and then
1369 * attempt to restart it.
1371 lpfc_offline_prep(phba
);
1373 lpfc_sli_brdrestart(phba
);
1374 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1375 lpfc_unblock_mgmt_io(phba
);
1378 lpfc_unblock_mgmt_io(phba
);
1379 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1380 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1381 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1382 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1383 temp_event_data
.data
= (uint32_t)temperature
;
1385 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1386 "0406 Adapter maximum temperature exceeded "
1387 "(%ld), taking this port offline "
1388 "Data: x%x x%x x%x\n",
1389 temperature
, phba
->work_hs
,
1390 phba
->work_status
[0], phba
->work_status
[1]);
1392 shost
= lpfc_shost_from_vport(phba
->pport
);
1393 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1394 sizeof(temp_event_data
),
1395 (char *) &temp_event_data
,
1396 SCSI_NL_VID_TYPE_PCI
1397 | PCI_VENDOR_ID_EMULEX
);
1399 spin_lock_irq(&phba
->hbalock
);
1400 phba
->over_temp_state
= HBA_OVER_TEMP
;
1401 spin_unlock_irq(&phba
->hbalock
);
1402 lpfc_offline_eratt(phba
);
1405 /* The if clause above forces this code path when the status
1406 * failure is a value other than FFER6. Do not call the offline
1407 * twice. This is the adapter hardware error path.
1409 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1410 "0457 Adapter Hardware Error "
1411 "Data: x%x x%x x%x\n",
1413 phba
->work_status
[0], phba
->work_status
[1]);
1415 event_data
= FC_REG_DUMP_EVENT
;
1416 shost
= lpfc_shost_from_vport(vport
);
1417 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1418 sizeof(event_data
), (char *) &event_data
,
1419 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1421 lpfc_offline_eratt(phba
);
1427 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1428 * @phba: pointer to lpfc hba data structure.
1430 * This routine is invoked to handle the SLI4 HBA hardware error attention
1434 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1436 struct lpfc_vport
*vport
= phba
->pport
;
1437 uint32_t event_data
;
1438 struct Scsi_Host
*shost
;
1440 struct lpfc_register portstat_reg
;
1443 /* If the pci channel is offline, ignore possible errors, since
1444 * we cannot communicate with the pci card anyway.
1446 if (pci_channel_offline(phba
->pcidev
))
1448 /* If resets are disabled then leave the HBA alone and return */
1449 if (!phba
->cfg_enable_hba_reset
)
1452 /* Send an internal error event to mgmt application */
1453 lpfc_board_errevt_to_mgmt(phba
);
1455 /* For now, the actual action for SLI4 device handling is not
1456 * specified yet, just treated it as adaptor hardware failure
1458 event_data
= FC_REG_DUMP_EVENT
;
1459 shost
= lpfc_shost_from_vport(vport
);
1460 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1461 sizeof(event_data
), (char *) &event_data
,
1462 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1464 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1466 case LPFC_SLI_INTF_IF_TYPE_0
:
1467 lpfc_sli4_offline_eratt(phba
);
1469 case LPFC_SLI_INTF_IF_TYPE_2
:
1470 portstat_reg
.word0
=
1471 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
);
1473 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1474 /* TODO: Register for Overtemp async events. */
1475 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1476 "2889 Port Overtemperature event, "
1478 spin_lock_irq(&phba
->hbalock
);
1479 phba
->over_temp_state
= HBA_OVER_TEMP
;
1480 spin_unlock_irq(&phba
->hbalock
);
1481 lpfc_sli4_offline_eratt(phba
);
1485 * On error status condition, driver need to wait for port
1486 * ready before performing reset.
1488 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1490 /* need reset: attempt for port recovery */
1491 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1492 "2887 Port Error: Attempting "
1494 lpfc_offline_prep(phba
);
1496 lpfc_sli_brdrestart(phba
);
1497 if (lpfc_online(phba
) == 0) {
1498 lpfc_unblock_mgmt_io(phba
);
1501 /* fall through for not able to recover */
1503 lpfc_sli4_offline_eratt(phba
);
1505 case LPFC_SLI_INTF_IF_TYPE_1
:
1512 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1513 * @phba: pointer to lpfc HBA data structure.
1515 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1516 * routine from the API jump table function pointer from the lpfc_hba struct.
1520 * Any other value - error.
1523 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1525 (*phba
->lpfc_handle_eratt
)(phba
);
1529 * lpfc_handle_latt - The HBA link event handler
1530 * @phba: pointer to lpfc hba data structure.
1532 * This routine is invoked from the worker thread to handle a HBA host
1533 * attention link event.
1536 lpfc_handle_latt(struct lpfc_hba
*phba
)
1538 struct lpfc_vport
*vport
= phba
->pport
;
1539 struct lpfc_sli
*psli
= &phba
->sli
;
1541 volatile uint32_t control
;
1542 struct lpfc_dmabuf
*mp
;
1545 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1548 goto lpfc_handle_latt_err_exit
;
1551 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1554 goto lpfc_handle_latt_free_pmb
;
1557 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1560 goto lpfc_handle_latt_free_mp
;
1563 /* Cleanup any outstanding ELS commands */
1564 lpfc_els_flush_all_cmd(phba
);
1566 psli
->slistat
.link_event
++;
1567 lpfc_read_topology(phba
, pmb
, mp
);
1568 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1570 /* Block ELS IOCBs until we have processed this mbox command */
1571 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1572 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1573 if (rc
== MBX_NOT_FINISHED
) {
1575 goto lpfc_handle_latt_free_mbuf
;
1578 /* Clear Link Attention in HA REG */
1579 spin_lock_irq(&phba
->hbalock
);
1580 writel(HA_LATT
, phba
->HAregaddr
);
1581 readl(phba
->HAregaddr
); /* flush */
1582 spin_unlock_irq(&phba
->hbalock
);
1586 lpfc_handle_latt_free_mbuf
:
1587 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1588 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1589 lpfc_handle_latt_free_mp
:
1591 lpfc_handle_latt_free_pmb
:
1592 mempool_free(pmb
, phba
->mbox_mem_pool
);
1593 lpfc_handle_latt_err_exit
:
1594 /* Enable Link attention interrupts */
1595 spin_lock_irq(&phba
->hbalock
);
1596 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1597 control
= readl(phba
->HCregaddr
);
1598 control
|= HC_LAINT_ENA
;
1599 writel(control
, phba
->HCregaddr
);
1600 readl(phba
->HCregaddr
); /* flush */
1602 /* Clear Link Attention in HA REG */
1603 writel(HA_LATT
, phba
->HAregaddr
);
1604 readl(phba
->HAregaddr
); /* flush */
1605 spin_unlock_irq(&phba
->hbalock
);
1606 lpfc_linkdown(phba
);
1607 phba
->link_state
= LPFC_HBA_ERROR
;
1609 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1610 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1616 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1617 * @phba: pointer to lpfc hba data structure.
1618 * @vpd: pointer to the vital product data.
1619 * @len: length of the vital product data in bytes.
1621 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1622 * an array of characters. In this routine, the ModelName, ProgramType, and
1623 * ModelDesc, etc. fields of the phba data structure will be populated.
1626 * 0 - pointer to the VPD passed in is NULL
1630 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1632 uint8_t lenlo
, lenhi
;
1642 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1643 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1644 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1646 while (!finished
&& (index
< (len
- 4))) {
1647 switch (vpd
[index
]) {
1655 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1664 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1665 if (Length
> len
- index
)
1666 Length
= len
- index
;
1667 while (Length
> 0) {
1668 /* Look for Serial Number */
1669 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1676 phba
->SerialNumber
[j
++] = vpd
[index
++];
1680 phba
->SerialNumber
[j
] = 0;
1683 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1684 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1691 phba
->ModelDesc
[j
++] = vpd
[index
++];
1695 phba
->ModelDesc
[j
] = 0;
1698 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1699 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1706 phba
->ModelName
[j
++] = vpd
[index
++];
1710 phba
->ModelName
[j
] = 0;
1713 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1714 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1721 phba
->ProgramType
[j
++] = vpd
[index
++];
1725 phba
->ProgramType
[j
] = 0;
1728 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1729 phba
->vpd_flag
|= VPD_PORT
;
1736 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1737 (phba
->sli4_hba
.pport_name_sta
==
1738 LPFC_SLI4_PPNAME_GET
)) {
1742 phba
->Port
[j
++] = vpd
[index
++];
1746 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1747 (phba
->sli4_hba
.pport_name_sta
==
1748 LPFC_SLI4_PPNAME_NON
))
1775 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1776 * @phba: pointer to lpfc hba data structure.
1777 * @mdp: pointer to the data structure to hold the derived model name.
1778 * @descp: pointer to the data structure to hold the derived description.
1780 * This routine retrieves HBA's description based on its registered PCI device
1781 * ID. The @descp passed into this function points to an array of 256 chars. It
1782 * shall be returned with the model name, maximum speed, and the host bus type.
1783 * The @mdp passed into this function points to an array of 80 chars. When the
1784 * function returns, the @mdp will be filled with the model name.
1787 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1790 uint16_t dev_id
= phba
->pcidev
->device
;
1793 int oneConnect
= 0; /* default is not a oneConnect */
1798 } m
= {"<Unknown>", "", ""};
1800 if (mdp
&& mdp
[0] != '\0'
1801 && descp
&& descp
[0] != '\0')
1804 if (phba
->lmt
& LMT_16Gb
)
1806 else if (phba
->lmt
& LMT_10Gb
)
1808 else if (phba
->lmt
& LMT_8Gb
)
1810 else if (phba
->lmt
& LMT_4Gb
)
1812 else if (phba
->lmt
& LMT_2Gb
)
1820 case PCI_DEVICE_ID_FIREFLY
:
1821 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1823 case PCI_DEVICE_ID_SUPERFLY
:
1824 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1825 m
= (typeof(m
)){"LP7000", "PCI",
1826 "Fibre Channel Adapter"};
1828 m
= (typeof(m
)){"LP7000E", "PCI",
1829 "Fibre Channel Adapter"};
1831 case PCI_DEVICE_ID_DRAGONFLY
:
1832 m
= (typeof(m
)){"LP8000", "PCI",
1833 "Fibre Channel Adapter"};
1835 case PCI_DEVICE_ID_CENTAUR
:
1836 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1837 m
= (typeof(m
)){"LP9002", "PCI",
1838 "Fibre Channel Adapter"};
1840 m
= (typeof(m
)){"LP9000", "PCI",
1841 "Fibre Channel Adapter"};
1843 case PCI_DEVICE_ID_RFLY
:
1844 m
= (typeof(m
)){"LP952", "PCI",
1845 "Fibre Channel Adapter"};
1847 case PCI_DEVICE_ID_PEGASUS
:
1848 m
= (typeof(m
)){"LP9802", "PCI-X",
1849 "Fibre Channel Adapter"};
1851 case PCI_DEVICE_ID_THOR
:
1852 m
= (typeof(m
)){"LP10000", "PCI-X",
1853 "Fibre Channel Adapter"};
1855 case PCI_DEVICE_ID_VIPER
:
1856 m
= (typeof(m
)){"LPX1000", "PCI-X",
1857 "Fibre Channel Adapter"};
1859 case PCI_DEVICE_ID_PFLY
:
1860 m
= (typeof(m
)){"LP982", "PCI-X",
1861 "Fibre Channel Adapter"};
1863 case PCI_DEVICE_ID_TFLY
:
1864 m
= (typeof(m
)){"LP1050", "PCI-X",
1865 "Fibre Channel Adapter"};
1867 case PCI_DEVICE_ID_HELIOS
:
1868 m
= (typeof(m
)){"LP11000", "PCI-X2",
1869 "Fibre Channel Adapter"};
1871 case PCI_DEVICE_ID_HELIOS_SCSP
:
1872 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1873 "Fibre Channel Adapter"};
1875 case PCI_DEVICE_ID_HELIOS_DCSP
:
1876 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1877 "Fibre Channel Adapter"};
1879 case PCI_DEVICE_ID_NEPTUNE
:
1880 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1882 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1883 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1885 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1886 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1888 case PCI_DEVICE_ID_BMID
:
1889 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1891 case PCI_DEVICE_ID_BSMB
:
1892 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1894 case PCI_DEVICE_ID_ZEPHYR
:
1895 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1897 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1898 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1900 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1901 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1904 case PCI_DEVICE_ID_ZMID
:
1905 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1907 case PCI_DEVICE_ID_ZSMB
:
1908 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1910 case PCI_DEVICE_ID_LP101
:
1911 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1913 case PCI_DEVICE_ID_LP10000S
:
1914 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1916 case PCI_DEVICE_ID_LP11000S
:
1917 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
1919 case PCI_DEVICE_ID_LPE11000S
:
1920 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
1922 case PCI_DEVICE_ID_SAT
:
1923 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
1925 case PCI_DEVICE_ID_SAT_MID
:
1926 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_SAT_SMB
:
1929 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
1931 case PCI_DEVICE_ID_SAT_DCSP
:
1932 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
1934 case PCI_DEVICE_ID_SAT_SCSP
:
1935 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
1937 case PCI_DEVICE_ID_SAT_S
:
1938 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_HORNET
:
1941 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
1944 case PCI_DEVICE_ID_PROTEUS_VF
:
1945 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1946 "Fibre Channel Adapter"};
1948 case PCI_DEVICE_ID_PROTEUS_PF
:
1949 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1950 "Fibre Channel Adapter"};
1952 case PCI_DEVICE_ID_PROTEUS_S
:
1953 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
1954 "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_TIGERSHARK
:
1958 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
1960 case PCI_DEVICE_ID_TOMCAT
:
1962 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
1964 case PCI_DEVICE_ID_FALCON
:
1965 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
1966 "EmulexSecure Fibre"};
1968 case PCI_DEVICE_ID_BALIUS
:
1969 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
1970 "Fibre Channel Adapter"};
1972 case PCI_DEVICE_ID_LANCER_FC
:
1973 case PCI_DEVICE_ID_LANCER_FC_VF
:
1974 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
1976 case PCI_DEVICE_ID_LANCER_FCOE
:
1977 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
1979 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
1982 m
= (typeof(m
)){"Unknown", "", ""};
1986 if (mdp
&& mdp
[0] == '\0')
1987 snprintf(mdp
, 79,"%s", m
.name
);
1989 * oneConnect hba requires special processing, they are all initiators
1990 * and we put the port number on the end
1992 if (descp
&& descp
[0] == '\0') {
1994 snprintf(descp
, 255,
1995 "Emulex OneConnect %s, %s Initiator, Port %s",
1999 snprintf(descp
, 255,
2000 "Emulex %s %d%s %s %s",
2001 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2007 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2008 * @phba: pointer to lpfc hba data structure.
2009 * @pring: pointer to a IOCB ring.
2010 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2012 * This routine posts a given number of IOCBs with the associated DMA buffer
2013 * descriptors specified by the cnt argument to the given IOCB ring.
2016 * The number of IOCBs NOT able to be posted to the IOCB ring.
2019 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2022 struct lpfc_iocbq
*iocb
;
2023 struct lpfc_dmabuf
*mp1
, *mp2
;
2025 cnt
+= pring
->missbufcnt
;
2027 /* While there are buffers to post */
2029 /* Allocate buffer for command iocb */
2030 iocb
= lpfc_sli_get_iocbq(phba
);
2032 pring
->missbufcnt
= cnt
;
2037 /* 2 buffers can be posted per command */
2038 /* Allocate buffer to post */
2039 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2041 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2042 if (!mp1
|| !mp1
->virt
) {
2044 lpfc_sli_release_iocbq(phba
, iocb
);
2045 pring
->missbufcnt
= cnt
;
2049 INIT_LIST_HEAD(&mp1
->list
);
2050 /* Allocate buffer to post */
2052 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2054 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2056 if (!mp2
|| !mp2
->virt
) {
2058 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2060 lpfc_sli_release_iocbq(phba
, iocb
);
2061 pring
->missbufcnt
= cnt
;
2065 INIT_LIST_HEAD(&mp2
->list
);
2070 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2071 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2072 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2073 icmd
->ulpBdeCount
= 1;
2076 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2077 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2078 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2080 icmd
->ulpBdeCount
= 2;
2083 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2086 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2088 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2092 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2096 lpfc_sli_release_iocbq(phba
, iocb
);
2097 pring
->missbufcnt
= cnt
;
2100 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2102 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2104 pring
->missbufcnt
= 0;
2109 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2110 * @phba: pointer to lpfc hba data structure.
2112 * This routine posts initial receive IOCB buffers to the ELS ring. The
2113 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2117 * 0 - success (currently always success)
2120 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2122 struct lpfc_sli
*psli
= &phba
->sli
;
2124 /* Ring 0, ELS / CT buffers */
2125 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2126 /* Ring 2 - FCP no buffers needed */
2131 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2134 * lpfc_sha_init - Set up initial array of hash table entries
2135 * @HashResultPointer: pointer to an array as hash table.
2137 * This routine sets up the initial values to the array of hash table entries
2141 lpfc_sha_init(uint32_t * HashResultPointer
)
2143 HashResultPointer
[0] = 0x67452301;
2144 HashResultPointer
[1] = 0xEFCDAB89;
2145 HashResultPointer
[2] = 0x98BADCFE;
2146 HashResultPointer
[3] = 0x10325476;
2147 HashResultPointer
[4] = 0xC3D2E1F0;
2151 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2152 * @HashResultPointer: pointer to an initial/result hash table.
2153 * @HashWorkingPointer: pointer to an working hash table.
2155 * This routine iterates an initial hash table pointed by @HashResultPointer
2156 * with the values from the working hash table pointeed by @HashWorkingPointer.
2157 * The results are putting back to the initial hash table, returned through
2158 * the @HashResultPointer as the result hash table.
2161 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2165 uint32_t A
, B
, C
, D
, E
;
2168 HashWorkingPointer
[t
] =
2170 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2172 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2173 } while (++t
<= 79);
2175 A
= HashResultPointer
[0];
2176 B
= HashResultPointer
[1];
2177 C
= HashResultPointer
[2];
2178 D
= HashResultPointer
[3];
2179 E
= HashResultPointer
[4];
2183 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2184 } else if (t
< 40) {
2185 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2186 } else if (t
< 60) {
2187 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2189 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2191 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2197 } while (++t
<= 79);
2199 HashResultPointer
[0] += A
;
2200 HashResultPointer
[1] += B
;
2201 HashResultPointer
[2] += C
;
2202 HashResultPointer
[3] += D
;
2203 HashResultPointer
[4] += E
;
2208 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2209 * @RandomChallenge: pointer to the entry of host challenge random number array.
2210 * @HashWorking: pointer to the entry of the working hash array.
2212 * This routine calculates the working hash array referred by @HashWorking
2213 * from the challenge random numbers associated with the host, referred by
2214 * @RandomChallenge. The result is put into the entry of the working hash
2215 * array and returned by reference through @HashWorking.
2218 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2220 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2224 * lpfc_hba_init - Perform special handling for LC HBA initialization
2225 * @phba: pointer to lpfc hba data structure.
2226 * @hbainit: pointer to an array of unsigned 32-bit integers.
2228 * This routine performs the special handling for LC HBA initialization.
2231 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2234 uint32_t *HashWorking
;
2235 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2237 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2241 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2242 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2244 for (t
= 0; t
< 7; t
++)
2245 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2247 lpfc_sha_init(hbainit
);
2248 lpfc_sha_iterate(hbainit
, HashWorking
);
2253 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2254 * @vport: pointer to a virtual N_Port data structure.
2256 * This routine performs the necessary cleanups before deleting the @vport.
2257 * It invokes the discovery state machine to perform necessary state
2258 * transitions and to release the ndlps associated with the @vport. Note,
2259 * the physical port is treated as @vport 0.
2262 lpfc_cleanup(struct lpfc_vport
*vport
)
2264 struct lpfc_hba
*phba
= vport
->phba
;
2265 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2268 if (phba
->link_state
> LPFC_LINK_DOWN
)
2269 lpfc_port_link_failure(vport
);
2271 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2272 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2273 ndlp
= lpfc_enable_node(vport
, ndlp
,
2274 NLP_STE_UNUSED_NODE
);
2277 spin_lock_irq(&phba
->ndlp_lock
);
2278 NLP_SET_FREE_REQ(ndlp
);
2279 spin_unlock_irq(&phba
->ndlp_lock
);
2280 /* Trigger the release of the ndlp memory */
2284 spin_lock_irq(&phba
->ndlp_lock
);
2285 if (NLP_CHK_FREE_REQ(ndlp
)) {
2286 /* The ndlp should not be in memory free mode already */
2287 spin_unlock_irq(&phba
->ndlp_lock
);
2290 /* Indicate request for freeing ndlp memory */
2291 NLP_SET_FREE_REQ(ndlp
);
2292 spin_unlock_irq(&phba
->ndlp_lock
);
2294 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2295 ndlp
->nlp_DID
== Fabric_DID
) {
2296 /* Just free up ndlp with Fabric_DID for vports */
2301 if (ndlp
->nlp_type
& NLP_FABRIC
)
2302 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2303 NLP_EVT_DEVICE_RECOVERY
);
2305 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2310 /* At this point, ALL ndlp's should be gone
2311 * because of the previous NLP_EVT_DEVICE_RM.
2312 * Lets wait for this to happen, if needed.
2314 while (!list_empty(&vport
->fc_nodes
)) {
2316 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2317 "0233 Nodelist not empty\n");
2318 list_for_each_entry_safe(ndlp
, next_ndlp
,
2319 &vport
->fc_nodes
, nlp_listp
) {
2320 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2322 "0282 did:x%x ndlp:x%p "
2323 "usgmap:x%x refcnt:%d\n",
2324 ndlp
->nlp_DID
, (void *)ndlp
,
2327 &ndlp
->kref
.refcount
));
2332 /* Wait for any activity on ndlps to settle */
2335 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2339 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2340 * @vport: pointer to a virtual N_Port data structure.
2342 * This routine stops all the timers associated with a @vport. This function
2343 * is invoked before disabling or deleting a @vport. Note that the physical
2344 * port is treated as @vport 0.
2347 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2349 del_timer_sync(&vport
->els_tmofunc
);
2350 del_timer_sync(&vport
->fc_fdmitmo
);
2351 del_timer_sync(&vport
->delayed_disc_tmo
);
2352 lpfc_can_disctmo(vport
);
2357 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2358 * @phba: pointer to lpfc hba data structure.
2360 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2361 * caller of this routine should already hold the host lock.
2364 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2366 /* Clear pending FCF rediscovery wait flag */
2367 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2369 /* Now, try to stop the timer */
2370 del_timer(&phba
->fcf
.redisc_wait
);
2374 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2375 * @phba: pointer to lpfc hba data structure.
2377 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2378 * checks whether the FCF rediscovery wait timer is pending with the host
2379 * lock held before proceeding with disabling the timer and clearing the
2380 * wait timer pendig flag.
2383 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2385 spin_lock_irq(&phba
->hbalock
);
2386 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2387 /* FCF rediscovery timer already fired or stopped */
2388 spin_unlock_irq(&phba
->hbalock
);
2391 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2392 /* Clear failover in progress flags */
2393 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2394 spin_unlock_irq(&phba
->hbalock
);
2398 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2399 * @phba: pointer to lpfc hba data structure.
2401 * This routine stops all the timers associated with a HBA. This function is
2402 * invoked before either putting a HBA offline or unloading the driver.
2405 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2407 lpfc_stop_vport_timers(phba
->pport
);
2408 del_timer_sync(&phba
->sli
.mbox_tmo
);
2409 del_timer_sync(&phba
->fabric_block_timer
);
2410 del_timer_sync(&phba
->eratt_poll
);
2411 del_timer_sync(&phba
->hb_tmofunc
);
2412 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2413 del_timer_sync(&phba
->rrq_tmr
);
2414 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2416 phba
->hb_outstanding
= 0;
2418 switch (phba
->pci_dev_grp
) {
2419 case LPFC_PCI_DEV_LP
:
2420 /* Stop any LightPulse device specific driver timers */
2421 del_timer_sync(&phba
->fcp_poll_timer
);
2423 case LPFC_PCI_DEV_OC
:
2424 /* Stop any OneConnect device sepcific driver timers */
2425 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2428 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2429 "0297 Invalid device group (x%x)\n",
2437 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2438 * @phba: pointer to lpfc hba data structure.
2440 * This routine marks a HBA's management interface as blocked. Once the HBA's
2441 * management interface is marked as blocked, all the user space access to
2442 * the HBA, whether they are from sysfs interface or libdfc interface will
2443 * all be blocked. The HBA is set to block the management interface when the
2444 * driver prepares the HBA interface for online or offline.
2447 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2449 unsigned long iflag
;
2450 uint8_t actcmd
= MBX_HEARTBEAT
;
2451 unsigned long timeout
;
2453 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2454 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2455 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2456 if (phba
->sli
.mbox_active
) {
2457 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2458 /* Determine how long we might wait for the active mailbox
2459 * command to be gracefully completed by firmware.
2461 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2462 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2464 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2466 /* Wait for the outstnading mailbox command to complete */
2467 while (phba
->sli
.mbox_active
) {
2468 /* Check active mailbox complete status every 2ms */
2470 if (time_after(jiffies
, timeout
)) {
2471 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2472 "2813 Mgmt IO is Blocked %x "
2473 "- mbox cmd %x still active\n",
2474 phba
->sli
.sli_flag
, actcmd
);
2481 * lpfc_online - Initialize and bring a HBA online
2482 * @phba: pointer to lpfc hba data structure.
2484 * This routine initializes the HBA and brings a HBA online. During this
2485 * process, the management interface is blocked to prevent user space access
2486 * to the HBA interfering with the driver initialization.
2493 lpfc_online(struct lpfc_hba
*phba
)
2495 struct lpfc_vport
*vport
;
2496 struct lpfc_vport
**vports
;
2501 vport
= phba
->pport
;
2503 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2506 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2507 "0458 Bring Adapter online\n");
2509 lpfc_block_mgmt_io(phba
);
2511 if (!lpfc_sli_queue_setup(phba
)) {
2512 lpfc_unblock_mgmt_io(phba
);
2516 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2517 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2518 lpfc_unblock_mgmt_io(phba
);
2522 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2523 lpfc_unblock_mgmt_io(phba
);
2528 vports
= lpfc_create_vport_work_array(phba
);
2530 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2531 struct Scsi_Host
*shost
;
2532 shost
= lpfc_shost_from_vport(vports
[i
]);
2533 spin_lock_irq(shost
->host_lock
);
2534 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2535 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2536 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2537 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2538 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2539 spin_unlock_irq(shost
->host_lock
);
2541 lpfc_destroy_vport_work_array(phba
, vports
);
2543 lpfc_unblock_mgmt_io(phba
);
2548 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2549 * @phba: pointer to lpfc hba data structure.
2551 * This routine marks a HBA's management interface as not blocked. Once the
2552 * HBA's management interface is marked as not blocked, all the user space
2553 * access to the HBA, whether they are from sysfs interface or libdfc
2554 * interface will be allowed. The HBA is set to block the management interface
2555 * when the driver prepares the HBA interface for online or offline and then
2556 * set to unblock the management interface afterwards.
2559 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2561 unsigned long iflag
;
2563 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2564 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2565 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2569 * lpfc_offline_prep - Prepare a HBA to be brought offline
2570 * @phba: pointer to lpfc hba data structure.
2572 * This routine is invoked to prepare a HBA to be brought offline. It performs
2573 * unregistration login to all the nodes on all vports and flushes the mailbox
2574 * queue to make it ready to be brought offline.
2577 lpfc_offline_prep(struct lpfc_hba
* phba
)
2579 struct lpfc_vport
*vport
= phba
->pport
;
2580 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2581 struct lpfc_vport
**vports
;
2582 struct Scsi_Host
*shost
;
2585 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2588 lpfc_block_mgmt_io(phba
);
2590 lpfc_linkdown(phba
);
2592 /* Issue an unreg_login to all nodes on all vports */
2593 vports
= lpfc_create_vport_work_array(phba
);
2594 if (vports
!= NULL
) {
2595 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2596 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2598 shost
= lpfc_shost_from_vport(vports
[i
]);
2599 spin_lock_irq(shost
->host_lock
);
2600 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2601 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2602 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2603 spin_unlock_irq(shost
->host_lock
);
2605 shost
= lpfc_shost_from_vport(vports
[i
]);
2606 list_for_each_entry_safe(ndlp
, next_ndlp
,
2607 &vports
[i
]->fc_nodes
,
2609 if (!NLP_CHK_NODE_ACT(ndlp
))
2611 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2613 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2614 lpfc_disc_state_machine(vports
[i
], ndlp
,
2615 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2616 lpfc_disc_state_machine(vports
[i
], ndlp
,
2617 NULL
, NLP_EVT_DEVICE_RM
);
2619 spin_lock_irq(shost
->host_lock
);
2620 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2621 spin_unlock_irq(shost
->host_lock
);
2622 lpfc_unreg_rpi(vports
[i
], ndlp
);
2626 lpfc_destroy_vport_work_array(phba
, vports
);
2628 lpfc_sli_mbox_sys_shutdown(phba
);
2632 * lpfc_offline - Bring a HBA offline
2633 * @phba: pointer to lpfc hba data structure.
2635 * This routine actually brings a HBA offline. It stops all the timers
2636 * associated with the HBA, brings down the SLI layer, and eventually
2637 * marks the HBA as in offline state for the upper layer protocol.
2640 lpfc_offline(struct lpfc_hba
*phba
)
2642 struct Scsi_Host
*shost
;
2643 struct lpfc_vport
**vports
;
2646 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2649 /* stop port and all timers associated with this hba */
2650 lpfc_stop_port(phba
);
2651 vports
= lpfc_create_vport_work_array(phba
);
2653 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2654 lpfc_stop_vport_timers(vports
[i
]);
2655 lpfc_destroy_vport_work_array(phba
, vports
);
2656 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2657 "0460 Bring Adapter offline\n");
2658 /* Bring down the SLI Layer and cleanup. The HBA is offline
2660 lpfc_sli_hba_down(phba
);
2661 spin_lock_irq(&phba
->hbalock
);
2663 spin_unlock_irq(&phba
->hbalock
);
2664 vports
= lpfc_create_vport_work_array(phba
);
2666 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2667 shost
= lpfc_shost_from_vport(vports
[i
]);
2668 spin_lock_irq(shost
->host_lock
);
2669 vports
[i
]->work_port_events
= 0;
2670 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2671 spin_unlock_irq(shost
->host_lock
);
2673 lpfc_destroy_vport_work_array(phba
, vports
);
2677 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2678 * @phba: pointer to lpfc hba data structure.
2680 * This routine is to free all the SCSI buffers and IOCBs from the driver
2681 * list back to kernel. It is called from lpfc_pci_remove_one to free
2682 * the internal resources before the device is removed from the system.
2685 * 0 - successful (for now, it always returns 0)
2688 lpfc_scsi_free(struct lpfc_hba
*phba
)
2690 struct lpfc_scsi_buf
*sb
, *sb_next
;
2691 struct lpfc_iocbq
*io
, *io_next
;
2693 spin_lock_irq(&phba
->hbalock
);
2694 /* Release all the lpfc_scsi_bufs maintained by this host. */
2695 spin_lock(&phba
->scsi_buf_list_lock
);
2696 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2697 list_del(&sb
->list
);
2698 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2701 phba
->total_scsi_bufs
--;
2703 spin_unlock(&phba
->scsi_buf_list_lock
);
2705 /* Release all the lpfc_iocbq entries maintained by this host. */
2706 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2707 list_del(&io
->list
);
2709 phba
->total_iocbq_bufs
--;
2712 spin_unlock_irq(&phba
->hbalock
);
2717 * lpfc_create_port - Create an FC port
2718 * @phba: pointer to lpfc hba data structure.
2719 * @instance: a unique integer ID to this FC port.
2720 * @dev: pointer to the device data structure.
2722 * This routine creates a FC port for the upper layer protocol. The FC port
2723 * can be created on top of either a physical port or a virtual port provided
2724 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2725 * and associates the FC port created before adding the shost into the SCSI
2729 * @vport - pointer to the virtual N_Port data structure.
2730 * NULL - port create failed.
2733 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2735 struct lpfc_vport
*vport
;
2736 struct Scsi_Host
*shost
;
2739 if (dev
!= &phba
->pcidev
->dev
)
2740 shost
= scsi_host_alloc(&lpfc_vport_template
,
2741 sizeof(struct lpfc_vport
));
2743 shost
= scsi_host_alloc(&lpfc_template
,
2744 sizeof(struct lpfc_vport
));
2748 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2750 vport
->load_flag
|= FC_LOADING
;
2751 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2752 vport
->fc_rscn_flush
= 0;
2754 lpfc_get_vport_cfgparam(vport
);
2755 shost
->unique_id
= instance
;
2756 shost
->max_id
= LPFC_MAX_TARGET
;
2757 shost
->max_lun
= vport
->cfg_max_luns
;
2758 shost
->this_id
= -1;
2759 shost
->max_cmd_len
= 16;
2760 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2761 shost
->dma_boundary
=
2762 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
2763 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2767 * Set initial can_queue value since 0 is no longer supported and
2768 * scsi_add_host will fail. This will be adjusted later based on the
2769 * max xri value determined in hba setup.
2771 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2772 if (dev
!= &phba
->pcidev
->dev
) {
2773 shost
->transportt
= lpfc_vport_transport_template
;
2774 vport
->port_type
= LPFC_NPIV_PORT
;
2776 shost
->transportt
= lpfc_transport_template
;
2777 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2780 /* Initialize all internally managed lists. */
2781 INIT_LIST_HEAD(&vport
->fc_nodes
);
2782 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2783 spin_lock_init(&vport
->work_port_lock
);
2785 init_timer(&vport
->fc_disctmo
);
2786 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2787 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2789 init_timer(&vport
->fc_fdmitmo
);
2790 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2791 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2793 init_timer(&vport
->els_tmofunc
);
2794 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2795 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2797 init_timer(&vport
->delayed_disc_tmo
);
2798 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
2799 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
2801 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2805 spin_lock_irq(&phba
->hbalock
);
2806 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2807 spin_unlock_irq(&phba
->hbalock
);
2811 scsi_host_put(shost
);
2817 * destroy_port - destroy an FC port
2818 * @vport: pointer to an lpfc virtual N_Port data structure.
2820 * This routine destroys a FC port from the upper layer protocol. All the
2821 * resources associated with the port are released.
2824 destroy_port(struct lpfc_vport
*vport
)
2826 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2827 struct lpfc_hba
*phba
= vport
->phba
;
2829 lpfc_debugfs_terminate(vport
);
2830 fc_remove_host(shost
);
2831 scsi_remove_host(shost
);
2833 spin_lock_irq(&phba
->hbalock
);
2834 list_del_init(&vport
->listentry
);
2835 spin_unlock_irq(&phba
->hbalock
);
2837 lpfc_cleanup(vport
);
2842 * lpfc_get_instance - Get a unique integer ID
2844 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2845 * uses the kernel idr facility to perform the task.
2848 * instance - a unique integer ID allocated as the new instance.
2849 * -1 - lpfc get instance failed.
2852 lpfc_get_instance(void)
2856 /* Assign an unused number */
2857 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2859 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2865 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2866 * @shost: pointer to SCSI host data structure.
2867 * @time: elapsed time of the scan in jiffies.
2869 * This routine is called by the SCSI layer with a SCSI host to determine
2870 * whether the scan host is finished.
2872 * Note: there is no scan_start function as adapter initialization will have
2873 * asynchronously kicked off the link initialization.
2876 * 0 - SCSI host scan is not over yet.
2877 * 1 - SCSI host scan is over.
2879 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2881 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2882 struct lpfc_hba
*phba
= vport
->phba
;
2885 spin_lock_irq(shost
->host_lock
);
2887 if (vport
->load_flag
& FC_UNLOADING
) {
2891 if (time
>= 30 * HZ
) {
2892 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2893 "0461 Scanning longer than 30 "
2894 "seconds. Continuing initialization\n");
2898 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2899 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2900 "0465 Link down longer than 15 "
2901 "seconds. Continuing initialization\n");
2906 if (vport
->port_state
!= LPFC_VPORT_READY
)
2908 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2910 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2912 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2918 spin_unlock_irq(shost
->host_lock
);
2923 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2924 * @shost: pointer to SCSI host data structure.
2926 * This routine initializes a given SCSI host attributes on a FC port. The
2927 * SCSI host can be either on top of a physical port or a virtual port.
2929 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2931 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2932 struct lpfc_hba
*phba
= vport
->phba
;
2934 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2937 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2938 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2939 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2941 memset(fc_host_supported_fc4s(shost
), 0,
2942 sizeof(fc_host_supported_fc4s(shost
)));
2943 fc_host_supported_fc4s(shost
)[2] = 1;
2944 fc_host_supported_fc4s(shost
)[7] = 1;
2946 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2947 sizeof fc_host_symbolic_name(shost
));
2949 fc_host_supported_speeds(shost
) = 0;
2950 if (phba
->lmt
& LMT_16Gb
)
2951 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
2952 if (phba
->lmt
& LMT_10Gb
)
2953 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2954 if (phba
->lmt
& LMT_8Gb
)
2955 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2956 if (phba
->lmt
& LMT_4Gb
)
2957 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2958 if (phba
->lmt
& LMT_2Gb
)
2959 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2960 if (phba
->lmt
& LMT_1Gb
)
2961 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2963 fc_host_maxframe_size(shost
) =
2964 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2965 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2967 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
2969 /* This value is also unchanging */
2970 memset(fc_host_active_fc4s(shost
), 0,
2971 sizeof(fc_host_active_fc4s(shost
)));
2972 fc_host_active_fc4s(shost
)[2] = 1;
2973 fc_host_active_fc4s(shost
)[7] = 1;
2975 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2976 spin_lock_irq(shost
->host_lock
);
2977 vport
->load_flag
&= ~FC_LOADING
;
2978 spin_unlock_irq(shost
->host_lock
);
2982 * lpfc_stop_port_s3 - Stop SLI3 device port
2983 * @phba: pointer to lpfc hba data structure.
2985 * This routine is invoked to stop an SLI3 device port, it stops the device
2986 * from generating interrupts and stops the device driver's timers for the
2990 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2992 /* Clear all interrupt enable conditions */
2993 writel(0, phba
->HCregaddr
);
2994 readl(phba
->HCregaddr
); /* flush */
2995 /* Clear all pending interrupts */
2996 writel(0xffffffff, phba
->HAregaddr
);
2997 readl(phba
->HAregaddr
); /* flush */
2999 /* Reset some HBA SLI setup states */
3000 lpfc_stop_hba_timers(phba
);
3001 phba
->pport
->work_port_events
= 0;
3005 * lpfc_stop_port_s4 - Stop SLI4 device port
3006 * @phba: pointer to lpfc hba data structure.
3008 * This routine is invoked to stop an SLI4 device port, it stops the device
3009 * from generating interrupts and stops the device driver's timers for the
3013 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3015 /* Reset some HBA SLI4 setup states */
3016 lpfc_stop_hba_timers(phba
);
3017 phba
->pport
->work_port_events
= 0;
3018 phba
->sli4_hba
.intr_enable
= 0;
3022 * lpfc_stop_port - Wrapper function for stopping hba port
3023 * @phba: Pointer to HBA context object.
3025 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3026 * the API jump table function pointer from the lpfc_hba struct.
3029 lpfc_stop_port(struct lpfc_hba
*phba
)
3031 phba
->lpfc_stop_port(phba
);
3035 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3036 * @phba: Pointer to hba for which this call is being executed.
3038 * This routine starts the timer waiting for the FCF rediscovery to complete.
3041 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3043 unsigned long fcf_redisc_wait_tmo
=
3044 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3045 /* Start fcf rediscovery wait period timer */
3046 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3047 spin_lock_irq(&phba
->hbalock
);
3048 /* Allow action to new fcf asynchronous event */
3049 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3050 /* Mark the FCF rediscovery pending state */
3051 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3052 spin_unlock_irq(&phba
->hbalock
);
3056 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3057 * @ptr: Map to lpfc_hba data structure pointer.
3059 * This routine is invoked when waiting for FCF table rediscover has been
3060 * timed out. If new FCF record(s) has (have) been discovered during the
3061 * wait period, a new FCF event shall be added to the FCOE async event
3062 * list, and then worker thread shall be waked up for processing from the
3063 * worker thread context.
3066 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3068 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3070 /* Don't send FCF rediscovery event if timer cancelled */
3071 spin_lock_irq(&phba
->hbalock
);
3072 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3073 spin_unlock_irq(&phba
->hbalock
);
3076 /* Clear FCF rediscovery timer pending flag */
3077 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3078 /* FCF rediscovery event to worker thread */
3079 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3080 spin_unlock_irq(&phba
->hbalock
);
3081 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3082 "2776 FCF rediscover quiescent timer expired\n");
3083 /* wake up worker thread */
3084 lpfc_worker_wake_up(phba
);
3088 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3089 * @phba: pointer to lpfc hba data structure.
3090 * @acqe_link: pointer to the async link completion queue entry.
3092 * This routine is to parse the SLI4 link-attention link fault code and
3093 * translate it into the base driver's read link attention mailbox command
3096 * Return: Link-attention status in terms of base driver's coding.
3099 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3100 struct lpfc_acqe_link
*acqe_link
)
3102 uint16_t latt_fault
;
3104 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3105 case LPFC_ASYNC_LINK_FAULT_NONE
:
3106 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3107 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3111 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3112 "0398 Invalid link fault code: x%x\n",
3113 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3114 latt_fault
= MBXERR_ERROR
;
3121 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3122 * @phba: pointer to lpfc hba data structure.
3123 * @acqe_link: pointer to the async link completion queue entry.
3125 * This routine is to parse the SLI4 link attention type and translate it
3126 * into the base driver's link attention type coding.
3128 * Return: Link attention type in terms of base driver's coding.
3131 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3132 struct lpfc_acqe_link
*acqe_link
)
3136 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3137 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3138 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3139 att_type
= LPFC_ATT_LINK_DOWN
;
3141 case LPFC_ASYNC_LINK_STATUS_UP
:
3142 /* Ignore physical link up events - wait for logical link up */
3143 att_type
= LPFC_ATT_RESERVED
;
3145 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3146 att_type
= LPFC_ATT_LINK_UP
;
3149 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3150 "0399 Invalid link attention type: x%x\n",
3151 bf_get(lpfc_acqe_link_status
, acqe_link
));
3152 att_type
= LPFC_ATT_RESERVED
;
3159 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3160 * @phba: pointer to lpfc hba data structure.
3161 * @acqe_link: pointer to the async link completion queue entry.
3163 * This routine is to parse the SLI4 link-attention link speed and translate
3164 * it into the base driver's link-attention link speed coding.
3166 * Return: Link-attention link speed in terms of base driver's coding.
3169 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3170 struct lpfc_acqe_link
*acqe_link
)
3174 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3175 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3176 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3177 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3178 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3180 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3181 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3183 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3184 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3187 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3188 "0483 Invalid link-attention link speed: x%x\n",
3189 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3190 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3197 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3198 * @phba: pointer to lpfc hba data structure.
3199 * @acqe_link: pointer to the async link completion queue entry.
3201 * This routine is to handle the SLI4 asynchronous FCoE link event.
3204 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3205 struct lpfc_acqe_link
*acqe_link
)
3207 struct lpfc_dmabuf
*mp
;
3210 struct lpfc_mbx_read_top
*la
;
3214 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3215 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3217 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3218 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3220 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3221 "0395 The mboxq allocation failed\n");
3224 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3226 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3227 "0396 The lpfc_dmabuf allocation failed\n");
3230 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3232 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3233 "0397 The mbuf allocation failed\n");
3234 goto out_free_dmabuf
;
3237 /* Cleanup any outstanding ELS commands */
3238 lpfc_els_flush_all_cmd(phba
);
3240 /* Block ELS IOCBs until we have done process link event */
3241 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3243 /* Update link event statistics */
3244 phba
->sli
.slistat
.link_event
++;
3246 /* Create lpfc_handle_latt mailbox command from link ACQE */
3247 lpfc_read_topology(phba
, pmb
, mp
);
3248 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3249 pmb
->vport
= phba
->pport
;
3251 /* Keep the link status for extra SLI4 state machine reference */
3252 phba
->sli4_hba
.link_state
.speed
=
3253 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3254 phba
->sli4_hba
.link_state
.duplex
=
3255 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3256 phba
->sli4_hba
.link_state
.status
=
3257 bf_get(lpfc_acqe_link_status
, acqe_link
);
3258 phba
->sli4_hba
.link_state
.type
=
3259 bf_get(lpfc_acqe_link_type
, acqe_link
);
3260 phba
->sli4_hba
.link_state
.number
=
3261 bf_get(lpfc_acqe_link_number
, acqe_link
);
3262 phba
->sli4_hba
.link_state
.fault
=
3263 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3264 phba
->sli4_hba
.link_state
.logical_speed
=
3265 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3266 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3267 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3268 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3269 "Logical speed:%dMbps Fault:%d\n",
3270 phba
->sli4_hba
.link_state
.speed
,
3271 phba
->sli4_hba
.link_state
.topology
,
3272 phba
->sli4_hba
.link_state
.status
,
3273 phba
->sli4_hba
.link_state
.type
,
3274 phba
->sli4_hba
.link_state
.number
,
3275 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3276 phba
->sli4_hba
.link_state
.fault
);
3278 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3279 * topology info. Note: Optional for non FC-AL ports.
3281 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3282 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3283 if (rc
== MBX_NOT_FINISHED
)
3284 goto out_free_dmabuf
;
3288 * For FCoE Mode: fill in all the topology information we need and call
3289 * the READ_TOPOLOGY completion routine to continue without actually
3290 * sending the READ_TOPOLOGY mailbox command to the port.
3292 /* Parse and translate status field */
3294 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3296 /* Parse and translate link attention fields */
3297 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3298 la
->eventTag
= acqe_link
->event_tag
;
3299 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3300 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3301 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3303 /* Fake the the following irrelvant fields */
3304 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3305 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3306 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3307 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3308 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3309 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3311 /* Invoke the lpfc_handle_latt mailbox command callback function */
3312 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3319 mempool_free(pmb
, phba
->mbox_mem_pool
);
3323 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3324 * @phba: pointer to lpfc hba data structure.
3325 * @acqe_fc: pointer to the async fc completion queue entry.
3327 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3328 * that the event was received and then issue a read_topology mailbox command so
3329 * that the rest of the driver will treat it the same as SLI3.
3332 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3334 struct lpfc_dmabuf
*mp
;
3338 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3339 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3340 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3341 "2895 Non FC link Event detected.(%d)\n",
3342 bf_get(lpfc_trailer_type
, acqe_fc
));
3345 /* Keep the link status for extra SLI4 state machine reference */
3346 phba
->sli4_hba
.link_state
.speed
=
3347 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3348 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3349 phba
->sli4_hba
.link_state
.topology
=
3350 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3351 phba
->sli4_hba
.link_state
.status
=
3352 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3353 phba
->sli4_hba
.link_state
.type
=
3354 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3355 phba
->sli4_hba
.link_state
.number
=
3356 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3357 phba
->sli4_hba
.link_state
.fault
=
3358 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3359 phba
->sli4_hba
.link_state
.logical_speed
=
3360 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3361 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3362 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3363 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3364 "%dMbps Fault:%d\n",
3365 phba
->sli4_hba
.link_state
.speed
,
3366 phba
->sli4_hba
.link_state
.topology
,
3367 phba
->sli4_hba
.link_state
.status
,
3368 phba
->sli4_hba
.link_state
.type
,
3369 phba
->sli4_hba
.link_state
.number
,
3370 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3371 phba
->sli4_hba
.link_state
.fault
);
3372 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3374 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3375 "2897 The mboxq allocation failed\n");
3378 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3380 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3381 "2898 The lpfc_dmabuf allocation failed\n");
3384 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3386 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3387 "2899 The mbuf allocation failed\n");
3388 goto out_free_dmabuf
;
3391 /* Cleanup any outstanding ELS commands */
3392 lpfc_els_flush_all_cmd(phba
);
3394 /* Block ELS IOCBs until we have done process link event */
3395 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3397 /* Update link event statistics */
3398 phba
->sli
.slistat
.link_event
++;
3400 /* Create lpfc_handle_latt mailbox command from link ACQE */
3401 lpfc_read_topology(phba
, pmb
, mp
);
3402 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3403 pmb
->vport
= phba
->pport
;
3405 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3406 if (rc
== MBX_NOT_FINISHED
)
3407 goto out_free_dmabuf
;
3413 mempool_free(pmb
, phba
->mbox_mem_pool
);
3417 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3418 * @phba: pointer to lpfc hba data structure.
3419 * @acqe_fc: pointer to the async SLI completion queue entry.
3421 * This routine is to handle the SLI4 asynchronous SLI events.
3424 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3426 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3427 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3428 "x%08x SLI Event Type:%d",
3429 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3430 bf_get(lpfc_trailer_type
, acqe_sli
));
3435 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3436 * @vport: pointer to vport data structure.
3438 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3439 * response to a CVL event.
3441 * Return the pointer to the ndlp with the vport if successful, otherwise
3444 static struct lpfc_nodelist
*
3445 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3447 struct lpfc_nodelist
*ndlp
;
3448 struct Scsi_Host
*shost
;
3449 struct lpfc_hba
*phba
;
3456 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3458 /* Cannot find existing Fabric ndlp, so allocate a new one */
3459 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3462 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3463 /* Set the node type */
3464 ndlp
->nlp_type
|= NLP_FABRIC
;
3465 /* Put ndlp onto node list */
3466 lpfc_enqueue_node(vport
, ndlp
);
3467 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3468 /* re-setup ndlp without removing from node list */
3469 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3473 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3474 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3476 /* If virtual link is not yet instantiated ignore CVL */
3477 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3478 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3480 shost
= lpfc_shost_from_vport(vport
);
3483 lpfc_linkdown_port(vport
);
3484 lpfc_cleanup_pending_mbox(vport
);
3485 spin_lock_irq(shost
->host_lock
);
3486 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3487 spin_unlock_irq(shost
->host_lock
);
3493 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3494 * @vport: pointer to lpfc hba data structure.
3496 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3497 * response to a FCF dead event.
3500 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3502 struct lpfc_vport
**vports
;
3505 vports
= lpfc_create_vport_work_array(phba
);
3507 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3508 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3509 lpfc_destroy_vport_work_array(phba
, vports
);
3513 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3514 * @phba: pointer to lpfc hba data structure.
3515 * @acqe_link: pointer to the async fcoe completion queue entry.
3517 * This routine is to handle the SLI4 asynchronous fcoe event.
3520 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3521 struct lpfc_acqe_fip
*acqe_fip
)
3523 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3525 struct lpfc_vport
*vport
;
3526 struct lpfc_nodelist
*ndlp
;
3527 struct Scsi_Host
*shost
;
3528 int active_vlink_present
;
3529 struct lpfc_vport
**vports
;
3532 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3533 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3534 switch (event_type
) {
3535 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3536 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3537 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3538 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3540 "2546 New FCF event, evt_tag:x%x, "
3542 acqe_fip
->event_tag
,
3545 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3547 "2788 FCF param modified event, "
3548 "evt_tag:x%x, index:x%x\n",
3549 acqe_fip
->event_tag
,
3551 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3553 * During period of FCF discovery, read the FCF
3554 * table record indexed by the event to update
3555 * FCF roundrobin failover eligible FCF bmask.
3557 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3559 "2779 Read FCF (x%x) for updating "
3560 "roundrobin FCF failover bmask\n",
3562 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3565 /* If the FCF discovery is in progress, do nothing. */
3566 spin_lock_irq(&phba
->hbalock
);
3567 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3568 spin_unlock_irq(&phba
->hbalock
);
3571 /* If fast FCF failover rescan event is pending, do nothing */
3572 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3573 spin_unlock_irq(&phba
->hbalock
);
3577 /* If the FCF has been in discovered state, do nothing. */
3578 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3579 spin_unlock_irq(&phba
->hbalock
);
3582 spin_unlock_irq(&phba
->hbalock
);
3584 /* Otherwise, scan the entire FCF table and re-discover SAN */
3585 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3586 "2770 Start FCF table scan per async FCF "
3587 "event, evt_tag:x%x, index:x%x\n",
3588 acqe_fip
->event_tag
, acqe_fip
->index
);
3589 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3590 LPFC_FCOE_FCF_GET_FIRST
);
3592 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3593 "2547 Issue FCF scan read FCF mailbox "
3594 "command failed (x%x)\n", rc
);
3597 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3598 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3599 "2548 FCF Table full count 0x%x tag 0x%x\n",
3600 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3601 acqe_fip
->event_tag
);
3604 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3605 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3606 "2549 FCF (x%x) disconnected from network, "
3607 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3609 * If we are in the middle of FCF failover process, clear
3610 * the corresponding FCF bit in the roundrobin bitmap.
3612 spin_lock_irq(&phba
->hbalock
);
3613 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3614 spin_unlock_irq(&phba
->hbalock
);
3615 /* Update FLOGI FCF failover eligible FCF bmask */
3616 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3619 spin_unlock_irq(&phba
->hbalock
);
3621 /* If the event is not for currently used fcf do nothing */
3622 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
3626 * Otherwise, request the port to rediscover the entire FCF
3627 * table for a fast recovery from case that the current FCF
3628 * is no longer valid as we are not in the middle of FCF
3629 * failover process already.
3631 spin_lock_irq(&phba
->hbalock
);
3632 /* Mark the fast failover process in progress */
3633 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
3634 spin_unlock_irq(&phba
->hbalock
);
3636 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3637 "2771 Start FCF fast failover process due to "
3638 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
3639 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
3640 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3642 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3644 "2772 Issue FCF rediscover mabilbox "
3645 "command failed, fail through to FCF "
3647 spin_lock_irq(&phba
->hbalock
);
3648 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
3649 spin_unlock_irq(&phba
->hbalock
);
3651 * Last resort will fail over by treating this
3652 * as a link down to FCF registration.
3654 lpfc_sli4_fcf_dead_failthrough(phba
);
3656 /* Reset FCF roundrobin bmask for new discovery */
3657 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3659 * Handling fast FCF failover to a DEAD FCF event is
3660 * considered equalivant to receiving CVL to all vports.
3662 lpfc_sli4_perform_all_vport_cvl(phba
);
3665 case LPFC_FIP_EVENT_TYPE_CVL
:
3666 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3667 "2718 Clear Virtual Link Received for VPI 0x%x"
3668 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3670 vport
= lpfc_find_vport_by_vpid(phba
,
3672 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
3675 active_vlink_present
= 0;
3677 vports
= lpfc_create_vport_work_array(phba
);
3679 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
3681 if ((!(vports
[i
]->fc_flag
&
3682 FC_VPORT_CVL_RCVD
)) &&
3683 (vports
[i
]->port_state
> LPFC_FDISC
)) {
3684 active_vlink_present
= 1;
3688 lpfc_destroy_vport_work_array(phba
, vports
);
3691 if (active_vlink_present
) {
3693 * If there are other active VLinks present,
3694 * re-instantiate the Vlink using FDISC.
3696 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3697 shost
= lpfc_shost_from_vport(vport
);
3698 spin_lock_irq(shost
->host_lock
);
3699 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3700 spin_unlock_irq(shost
->host_lock
);
3701 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
3702 vport
->port_state
= LPFC_FDISC
;
3705 * Otherwise, we request port to rediscover
3706 * the entire FCF table for a fast recovery
3707 * from possible case that the current FCF
3708 * is no longer valid if we are not already
3709 * in the FCF failover process.
3711 spin_lock_irq(&phba
->hbalock
);
3712 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3713 spin_unlock_irq(&phba
->hbalock
);
3716 /* Mark the fast failover process in progress */
3717 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
3718 spin_unlock_irq(&phba
->hbalock
);
3719 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3721 "2773 Start FCF failover per CVL, "
3722 "evt_tag:x%x\n", acqe_fip
->event_tag
);
3723 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3725 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3727 "2774 Issue FCF rediscover "
3728 "mabilbox command failed, "
3729 "through to CVL event\n");
3730 spin_lock_irq(&phba
->hbalock
);
3731 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
3732 spin_unlock_irq(&phba
->hbalock
);
3734 * Last resort will be re-try on the
3735 * the current registered FCF entry.
3737 lpfc_retry_pport_discovery(phba
);
3740 * Reset FCF roundrobin bmask for new
3743 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3747 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3748 "0288 Unknown FCoE event type 0x%x event tag "
3749 "0x%x\n", event_type
, acqe_fip
->event_tag
);
3755 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3756 * @phba: pointer to lpfc hba data structure.
3757 * @acqe_link: pointer to the async dcbx completion queue entry.
3759 * This routine is to handle the SLI4 asynchronous dcbx event.
3762 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3763 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3765 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3766 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3767 "0290 The SLI4 DCBX asynchronous event is not "
3772 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
3773 * @phba: pointer to lpfc hba data structure.
3774 * @acqe_link: pointer to the async grp5 completion queue entry.
3776 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
3777 * is an asynchronous notified of a logical link speed change. The Port
3778 * reports the logical link speed in units of 10Mbps.
3781 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
3782 struct lpfc_acqe_grp5
*acqe_grp5
)
3784 uint16_t prev_ll_spd
;
3786 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
3787 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
3788 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
3789 phba
->sli4_hba
.link_state
.logical_speed
=
3790 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
3791 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3792 "2789 GRP5 Async Event: Updating logical link speed "
3793 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
3794 (phba
->sli4_hba
.link_state
.logical_speed
*10));
3798 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3799 * @phba: pointer to lpfc hba data structure.
3801 * This routine is invoked by the worker thread to process all the pending
3802 * SLI4 asynchronous events.
3804 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3806 struct lpfc_cq_event
*cq_event
;
3808 /* First, declare the async event has been handled */
3809 spin_lock_irq(&phba
->hbalock
);
3810 phba
->hba_flag
&= ~ASYNC_EVENT
;
3811 spin_unlock_irq(&phba
->hbalock
);
3812 /* Now, handle all the async events */
3813 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3814 /* Get the first event from the head of the event queue */
3815 spin_lock_irq(&phba
->hbalock
);
3816 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3817 cq_event
, struct lpfc_cq_event
, list
);
3818 spin_unlock_irq(&phba
->hbalock
);
3819 /* Process the asynchronous event */
3820 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3821 case LPFC_TRAILER_CODE_LINK
:
3822 lpfc_sli4_async_link_evt(phba
,
3823 &cq_event
->cqe
.acqe_link
);
3825 case LPFC_TRAILER_CODE_FCOE
:
3826 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
3828 case LPFC_TRAILER_CODE_DCBX
:
3829 lpfc_sli4_async_dcbx_evt(phba
,
3830 &cq_event
->cqe
.acqe_dcbx
);
3832 case LPFC_TRAILER_CODE_GRP5
:
3833 lpfc_sli4_async_grp5_evt(phba
,
3834 &cq_event
->cqe
.acqe_grp5
);
3836 case LPFC_TRAILER_CODE_FC
:
3837 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
3839 case LPFC_TRAILER_CODE_SLI
:
3840 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
3843 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3844 "1804 Invalid asynchrous event code: "
3845 "x%x\n", bf_get(lpfc_trailer_code
,
3846 &cq_event
->cqe
.mcqe_cmpl
));
3849 /* Free the completion event processed to the free pool */
3850 lpfc_sli4_cq_event_release(phba
, cq_event
);
3855 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
3856 * @phba: pointer to lpfc hba data structure.
3858 * This routine is invoked by the worker thread to process FCF table
3859 * rediscovery pending completion event.
3861 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
3865 spin_lock_irq(&phba
->hbalock
);
3866 /* Clear FCF rediscovery timeout event */
3867 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
3868 /* Clear driver fast failover FCF record flag */
3869 phba
->fcf
.failover_rec
.flag
= 0;
3870 /* Set state for FCF fast failover */
3871 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
3872 spin_unlock_irq(&phba
->hbalock
);
3874 /* Scan FCF table from the first entry to re-discover SAN */
3875 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3876 "2777 Start post-quiescent FCF table scan\n");
3877 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3879 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3880 "2747 Issue FCF scan read FCF mailbox "
3881 "command failed 0x%x\n", rc
);
3885 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3886 * @phba: pointer to lpfc hba data structure.
3887 * @dev_grp: The HBA PCI-Device group number.
3889 * This routine is invoked to set up the per HBA PCI-Device group function
3890 * API jump table entries.
3892 * Return: 0 if success, otherwise -ENODEV
3895 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3899 /* Set up lpfc PCI-device group */
3900 phba
->pci_dev_grp
= dev_grp
;
3902 /* The LPFC_PCI_DEV_OC uses SLI4 */
3903 if (dev_grp
== LPFC_PCI_DEV_OC
)
3904 phba
->sli_rev
= LPFC_SLI_REV4
;
3906 /* Set up device INIT API function jump table */
3907 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3910 /* Set up SCSI API function jump table */
3911 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3914 /* Set up SLI API function jump table */
3915 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3918 /* Set up MBOX API function jump table */
3919 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3927 * lpfc_log_intr_mode - Log the active interrupt mode
3928 * @phba: pointer to lpfc hba data structure.
3929 * @intr_mode: active interrupt mode adopted.
3931 * This routine it invoked to log the currently used active interrupt mode
3934 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3936 switch (intr_mode
) {
3938 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3939 "0470 Enable INTx interrupt mode.\n");
3942 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3943 "0481 Enabled MSI interrupt mode.\n");
3946 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3947 "0480 Enabled MSI-X interrupt mode.\n");
3950 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3951 "0482 Illegal interrupt mode.\n");
3958 * lpfc_enable_pci_dev - Enable a generic PCI device.
3959 * @phba: pointer to lpfc hba data structure.
3961 * This routine is invoked to enable the PCI device that is common to all
3966 * other values - error
3969 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3971 struct pci_dev
*pdev
;
3974 /* Obtain PCI device reference */
3978 pdev
= phba
->pcidev
;
3979 /* Select PCI BARs */
3980 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3981 /* Enable PCI device */
3982 if (pci_enable_device_mem(pdev
))
3984 /* Request PCI resource for the device */
3985 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3986 goto out_disable_device
;
3987 /* Set up device as PCI master and save state for EEH */
3988 pci_set_master(pdev
);
3989 pci_try_set_mwi(pdev
);
3990 pci_save_state(pdev
);
3992 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
3993 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
3994 pdev
->needs_freset
= 1;
3999 pci_disable_device(pdev
);
4001 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4002 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4007 * lpfc_disable_pci_dev - Disable a generic PCI device.
4008 * @phba: pointer to lpfc hba data structure.
4010 * This routine is invoked to disable the PCI device that is common to all
4014 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4016 struct pci_dev
*pdev
;
4019 /* Obtain PCI device reference */
4023 pdev
= phba
->pcidev
;
4024 /* Select PCI BARs */
4025 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4026 /* Release PCI resource and disable PCI device */
4027 pci_release_selected_regions(pdev
, bars
);
4028 pci_disable_device(pdev
);
4029 /* Null out PCI private reference to driver */
4030 pci_set_drvdata(pdev
, NULL
);
4036 * lpfc_reset_hba - Reset a hba
4037 * @phba: pointer to lpfc hba data structure.
4039 * This routine is invoked to reset a hba device. It brings the HBA
4040 * offline, performs a board restart, and then brings the board back
4041 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4042 * on outstanding mailbox commands.
4045 lpfc_reset_hba(struct lpfc_hba
*phba
)
4047 /* If resets are disabled then set error state and return. */
4048 if (!phba
->cfg_enable_hba_reset
) {
4049 phba
->link_state
= LPFC_HBA_ERROR
;
4052 lpfc_offline_prep(phba
);
4054 lpfc_sli_brdrestart(phba
);
4056 lpfc_unblock_mgmt_io(phba
);
4060 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4061 * @phba: pointer to lpfc hba data structure.
4063 * This function enables the PCI SR-IOV virtual functions to a physical
4064 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4065 * enable the number of virtual functions to the physical function. As
4066 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4067 * API call does not considered as an error condition for most of the device.
4070 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4072 struct pci_dev
*pdev
= phba
->pcidev
;
4076 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4080 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4085 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4086 * @phba: pointer to lpfc hba data structure.
4087 * @nr_vfn: number of virtual functions to be enabled.
4089 * This function enables the PCI SR-IOV virtual functions to a physical
4090 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4091 * enable the number of virtual functions to the physical function. As
4092 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4093 * API call does not considered as an error condition for most of the device.
4096 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4098 struct pci_dev
*pdev
= phba
->pcidev
;
4099 uint16_t max_nr_vfn
;
4102 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4103 if (nr_vfn
> max_nr_vfn
) {
4104 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4105 "3057 Requested vfs (%d) greater than "
4106 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4110 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4112 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4113 "2806 Failed to enable sriov on this device "
4114 "with vfn number nr_vf:%d, rc:%d\n",
4117 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4118 "2807 Successful enable sriov on this device "
4119 "with vfn number nr_vf:%d\n", nr_vfn
);
4124 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4125 * @phba: pointer to lpfc hba data structure.
4127 * This routine is invoked to set up the driver internal resources specific to
4128 * support the SLI-3 HBA device it attached to.
4132 * other values - error
4135 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4137 struct lpfc_sli
*psli
;
4141 * Initialize timers used by driver
4144 /* Heartbeat timer */
4145 init_timer(&phba
->hb_tmofunc
);
4146 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4147 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4150 /* MBOX heartbeat timer */
4151 init_timer(&psli
->mbox_tmo
);
4152 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4153 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4154 /* FCP polling mode timer */
4155 init_timer(&phba
->fcp_poll_timer
);
4156 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4157 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4158 /* Fabric block timer */
4159 init_timer(&phba
->fabric_block_timer
);
4160 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4161 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4162 /* EA polling mode timer */
4163 init_timer(&phba
->eratt_poll
);
4164 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4165 phba
->eratt_poll
.data
= (unsigned long) phba
;
4167 /* Host attention work mask setup */
4168 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4169 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4171 /* Get all the module params for configuring this host */
4172 lpfc_get_cfgparam(phba
);
4173 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4174 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4175 /* check for menlo minimum sg count */
4176 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4177 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4181 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4182 * used to create the sg_dma_buf_pool must be dynamically calculated.
4183 * 2 segments are added since the IOCB needs a command and response bde.
4185 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4186 sizeof(struct fcp_rsp
) +
4187 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4189 if (phba
->cfg_enable_bg
) {
4190 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4191 phba
->cfg_sg_dma_buf_size
+=
4192 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4195 /* Also reinitialize the host templates with new values. */
4196 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4197 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4199 phba
->max_vpi
= LPFC_MAX_VPI
;
4200 /* This will be set to correct value after config_port mbox */
4201 phba
->max_vports
= 0;
4204 * Initialize the SLI Layer to run with lpfc HBAs.
4206 lpfc_sli_setup(phba
);
4207 lpfc_sli_queue_setup(phba
);
4209 /* Allocate device driver memory */
4210 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4214 * Enable sr-iov virtual functions if supported and configured
4215 * through the module parameter.
4217 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4218 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4219 phba
->cfg_sriov_nr_virtfn
);
4221 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4222 "2808 Requested number of SR-IOV "
4223 "virtual functions (%d) is not "
4225 phba
->cfg_sriov_nr_virtfn
);
4226 phba
->cfg_sriov_nr_virtfn
= 0;
4234 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4235 * @phba: pointer to lpfc hba data structure.
4237 * This routine is invoked to unset the driver internal resources set up
4238 * specific for supporting the SLI-3 HBA device it attached to.
4241 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4243 /* Free device driver memory allocated */
4244 lpfc_mem_free_all(phba
);
4250 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4251 * @phba: pointer to lpfc hba data structure.
4253 * This routine is invoked to set up the driver internal resources specific to
4254 * support the SLI-4 HBA device it attached to.
4258 * other values - error
4261 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4263 struct lpfc_sli
*psli
;
4264 LPFC_MBOXQ_t
*mboxq
;
4265 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4266 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4267 struct lpfc_mqe
*mqe
;
4268 int longs
, sli_family
;
4270 /* Before proceed, wait for POST done and device ready */
4271 rc
= lpfc_sli4_post_status_check(phba
);
4276 * Initialize timers used by driver
4279 /* Heartbeat timer */
4280 init_timer(&phba
->hb_tmofunc
);
4281 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4282 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4283 init_timer(&phba
->rrq_tmr
);
4284 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4285 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4288 /* MBOX heartbeat timer */
4289 init_timer(&psli
->mbox_tmo
);
4290 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4291 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4292 /* Fabric block timer */
4293 init_timer(&phba
->fabric_block_timer
);
4294 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4295 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4296 /* EA polling mode timer */
4297 init_timer(&phba
->eratt_poll
);
4298 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4299 phba
->eratt_poll
.data
= (unsigned long) phba
;
4300 /* FCF rediscover timer */
4301 init_timer(&phba
->fcf
.redisc_wait
);
4302 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4303 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4306 * Control structure for handling external multi-buffer mailbox
4307 * command pass-through.
4309 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4310 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4311 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4314 * We need to do a READ_CONFIG mailbox command here before
4315 * calling lpfc_get_cfgparam. For VFs this will report the
4316 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4317 * All of the resources allocated
4318 * for this Port are tied to these values.
4320 /* Get all the module params for configuring this host */
4321 lpfc_get_cfgparam(phba
);
4322 phba
->max_vpi
= LPFC_MAX_VPI
;
4323 /* This will be set to correct value after the read_config mbox */
4324 phba
->max_vports
= 0;
4326 /* Program the default value of vlan_id and fc_map */
4327 phba
->valid_vlan
= 0;
4328 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4329 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4330 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4333 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4334 * used to create the sg_dma_buf_pool must be dynamically calculated.
4335 * 2 segments are added since the IOCB needs a command and response bde.
4336 * To insure that the scsi sgl does not cross a 4k page boundary only
4337 * sgl sizes of must be a power of 2.
4339 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4340 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
)));
4342 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4343 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4344 switch (sli_family
) {
4345 case LPFC_SLI_INTF_FAMILY_BE2
:
4346 case LPFC_SLI_INTF_FAMILY_BE3
:
4347 /* There is a single hint for BE - 2 pages per BPL. */
4348 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4349 LPFC_SLI_INTF_SLI_HINT1_1
)
4350 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4352 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4353 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4357 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4358 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4359 dma_buf_size
= dma_buf_size
<< 1)
4361 if (dma_buf_size
== max_buf_size
)
4362 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4363 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4364 (2 * sizeof(struct sli4_sge
))) /
4365 sizeof(struct sli4_sge
);
4366 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4368 /* Initialize buffer queue management fields */
4369 hbq_count
= lpfc_sli_hbq_count();
4370 for (i
= 0; i
< hbq_count
; ++i
)
4371 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4372 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4373 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4374 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4377 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4379 /* Initialize the Abort scsi buffer list used by driver */
4380 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4381 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4382 /* This abort list used by worker thread */
4383 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4386 * Initialize driver internal slow-path work queues
4389 /* Driver internel slow-path CQ Event pool */
4390 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4391 /* Response IOCB work queue list */
4392 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4393 /* Asynchronous event CQ Event work queue list */
4394 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4395 /* Fast-path XRI aborted CQ Event work queue list */
4396 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4397 /* Slow-path XRI aborted CQ Event work queue list */
4398 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4399 /* Receive queue CQ Event work queue list */
4400 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4402 /* Initialize extent block lists. */
4403 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4404 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4405 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4406 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4408 /* Initialize the driver internal SLI layer lists. */
4409 lpfc_sli_setup(phba
);
4410 lpfc_sli_queue_setup(phba
);
4412 /* Allocate device driver memory */
4413 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4417 /* IF Type 2 ports get initialized now. */
4418 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4419 LPFC_SLI_INTF_IF_TYPE_2
) {
4420 rc
= lpfc_pci_function_reset(phba
);
4425 /* Create the bootstrap mailbox command */
4426 rc
= lpfc_create_bootstrap_mbox(phba
);
4430 /* Set up the host's endian order with the device. */
4431 rc
= lpfc_setup_endian_order(phba
);
4433 goto out_free_bsmbx
;
4435 /* Set up the hba's configuration parameters. */
4436 rc
= lpfc_sli4_read_config(phba
);
4438 goto out_free_bsmbx
;
4440 /* IF Type 0 ports get initialized now. */
4441 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4442 LPFC_SLI_INTF_IF_TYPE_0
) {
4443 rc
= lpfc_pci_function_reset(phba
);
4445 goto out_free_bsmbx
;
4448 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4452 goto out_free_bsmbx
;
4455 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4456 lpfc_supported_pages(mboxq
);
4457 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4459 mqe
= &mboxq
->u
.mqe
;
4460 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4461 LPFC_MAX_SUPPORTED_PAGES
);
4462 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4463 switch (pn_page
[i
]) {
4464 case LPFC_SLI4_PARAMETERS
:
4465 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4471 /* Read the port's SLI4 Parameters capabilities if supported. */
4472 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4473 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4475 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4477 goto out_free_bsmbx
;
4481 * Get sli4 parameters that override parameters from Port capabilities.
4482 * If this call fails, it isn't critical unless the SLI4 parameters come
4485 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4487 if (phba
->sli4_hba
.extents_in_use
&&
4488 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4489 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4490 "2999 Unsupported SLI4 Parameters "
4491 "Extents and RPI headers enabled.\n");
4492 goto out_free_bsmbx
;
4495 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4496 /* Verify all the SLI4 queues */
4497 rc
= lpfc_sli4_queue_verify(phba
);
4499 goto out_free_bsmbx
;
4501 /* Create driver internal CQE event pool */
4502 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4504 goto out_free_bsmbx
;
4506 /* Initialize and populate the iocb list per host */
4507 rc
= lpfc_init_sgl_list(phba
);
4509 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4510 "1400 Failed to initialize sgl list.\n");
4511 goto out_destroy_cq_event_pool
;
4513 rc
= lpfc_init_active_sgl_array(phba
);
4515 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4516 "1430 Failed to initialize sgl list.\n");
4517 goto out_free_sgl_list
;
4519 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4521 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4522 "1432 Failed to initialize rpi headers.\n");
4523 goto out_free_active_sgl
;
4526 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4527 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4528 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4530 if (!phba
->fcf
.fcf_rr_bmask
) {
4531 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4532 "2759 Failed allocate memory for FCF round "
4533 "robin failover bmask\n");
4535 goto out_remove_rpi_hdrs
;
4539 * The cfg_fcp_eq_count can be zero whenever there is exactly one
4540 * interrupt vector. This is not an error
4542 if (phba
->cfg_fcp_eq_count
) {
4543 phba
->sli4_hba
.fcp_eq_hdl
=
4544 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4545 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
4546 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4547 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4548 "2572 Failed allocate memory for "
4549 "fast-path per-EQ handle array\n");
4551 goto out_free_fcf_rr_bmask
;
4555 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4556 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
4557 if (!phba
->sli4_hba
.msix_entries
) {
4558 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4559 "2573 Failed allocate memory for msi-x "
4560 "interrupt vector entries\n");
4562 goto out_free_fcp_eq_hdl
;
4566 * Enable sr-iov virtual functions if supported and configured
4567 * through the module parameter.
4569 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4570 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4571 phba
->cfg_sriov_nr_virtfn
);
4573 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4574 "3020 Requested number of SR-IOV "
4575 "virtual functions (%d) is not "
4577 phba
->cfg_sriov_nr_virtfn
);
4578 phba
->cfg_sriov_nr_virtfn
= 0;
4584 out_free_fcp_eq_hdl
:
4585 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4586 out_free_fcf_rr_bmask
:
4587 kfree(phba
->fcf
.fcf_rr_bmask
);
4588 out_remove_rpi_hdrs
:
4589 lpfc_sli4_remove_rpi_hdrs(phba
);
4590 out_free_active_sgl
:
4591 lpfc_free_active_sgl(phba
);
4593 lpfc_free_sgl_list(phba
);
4594 out_destroy_cq_event_pool
:
4595 lpfc_sli4_cq_event_pool_destroy(phba
);
4597 lpfc_destroy_bootstrap_mbox(phba
);
4599 lpfc_mem_free(phba
);
4604 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
4605 * @phba: pointer to lpfc hba data structure.
4607 * This routine is invoked to unset the driver internal resources set up
4608 * specific for supporting the SLI-4 HBA device it attached to.
4611 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
4613 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
4615 /* Free memory allocated for msi-x interrupt vector entries */
4616 kfree(phba
->sli4_hba
.msix_entries
);
4618 /* Free memory allocated for fast-path work queue handles */
4619 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4621 /* Free the allocated rpi headers. */
4622 lpfc_sli4_remove_rpi_hdrs(phba
);
4623 lpfc_sli4_remove_rpis(phba
);
4625 /* Free eligible FCF index bmask */
4626 kfree(phba
->fcf
.fcf_rr_bmask
);
4628 /* Free the ELS sgl list */
4629 lpfc_free_active_sgl(phba
);
4630 lpfc_free_sgl_list(phba
);
4632 /* Free the SCSI sgl management array */
4633 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4635 /* Free the completion queue EQ event pool */
4636 lpfc_sli4_cq_event_release_all(phba
);
4637 lpfc_sli4_cq_event_pool_destroy(phba
);
4639 /* Release resource identifiers. */
4640 lpfc_sli4_dealloc_resource_identifiers(phba
);
4642 /* Free the bsmbx region. */
4643 lpfc_destroy_bootstrap_mbox(phba
);
4645 /* Free the SLI Layer memory with SLI4 HBAs */
4646 lpfc_mem_free_all(phba
);
4648 /* Free the current connect table */
4649 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
4650 &phba
->fcf_conn_rec_list
, list
) {
4651 list_del_init(&conn_entry
->list
);
4659 * lpfc_init_api_table_setup - Set up init api function jump table
4660 * @phba: The hba struct for which this call is being executed.
4661 * @dev_grp: The HBA PCI-Device group number.
4663 * This routine sets up the device INIT interface API function jump table
4666 * Returns: 0 - success, -ENODEV - failure.
4669 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4671 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
4672 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
4673 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
4675 case LPFC_PCI_DEV_LP
:
4676 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
4677 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
4678 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
4680 case LPFC_PCI_DEV_OC
:
4681 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
4682 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
4683 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
4686 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4687 "1431 Invalid HBA PCI-device group: 0x%x\n",
4696 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
4697 * @phba: pointer to lpfc hba data structure.
4699 * This routine is invoked to set up the driver internal resources before the
4700 * device specific resource setup to support the HBA device it attached to.
4704 * other values - error
4707 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
4710 * Driver resources common to all SLI revisions
4712 atomic_set(&phba
->fast_event_count
, 0);
4713 spin_lock_init(&phba
->hbalock
);
4715 /* Initialize ndlp management spinlock */
4716 spin_lock_init(&phba
->ndlp_lock
);
4718 INIT_LIST_HEAD(&phba
->port_list
);
4719 INIT_LIST_HEAD(&phba
->work_list
);
4720 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
4722 /* Initialize the wait queue head for the kernel thread */
4723 init_waitqueue_head(&phba
->work_waitq
);
4725 /* Initialize the scsi buffer list used by driver for scsi IO */
4726 spin_lock_init(&phba
->scsi_buf_list_lock
);
4727 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
4729 /* Initialize the fabric iocb list */
4730 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
4732 /* Initialize list to save ELS buffers */
4733 INIT_LIST_HEAD(&phba
->elsbuf
);
4735 /* Initialize FCF connection rec list */
4736 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
4742 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
4743 * @phba: pointer to lpfc hba data structure.
4745 * This routine is invoked to set up the driver internal resources after the
4746 * device specific resource setup to support the HBA device it attached to.
4750 * other values - error
4753 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
4757 /* Startup the kernel thread for this host adapter. */
4758 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
4759 "lpfc_worker_%d", phba
->brd_no
);
4760 if (IS_ERR(phba
->worker_thread
)) {
4761 error
= PTR_ERR(phba
->worker_thread
);
4769 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
4770 * @phba: pointer to lpfc hba data structure.
4772 * This routine is invoked to unset the driver internal resources set up after
4773 * the device specific resource setup for supporting the HBA device it
4777 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
4779 /* Stop kernel worker thread */
4780 kthread_stop(phba
->worker_thread
);
4784 * lpfc_free_iocb_list - Free iocb list.
4785 * @phba: pointer to lpfc hba data structure.
4787 * This routine is invoked to free the driver's IOCB list and memory.
4790 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
4792 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
4794 spin_lock_irq(&phba
->hbalock
);
4795 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
4796 &phba
->lpfc_iocb_list
, list
) {
4797 list_del(&iocbq_entry
->list
);
4799 phba
->total_iocbq_bufs
--;
4801 spin_unlock_irq(&phba
->hbalock
);
4807 * lpfc_init_iocb_list - Allocate and initialize iocb list.
4808 * @phba: pointer to lpfc hba data structure.
4810 * This routine is invoked to allocate and initizlize the driver's IOCB
4811 * list and set up the IOCB tag array accordingly.
4815 * other values - error
4818 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
4820 struct lpfc_iocbq
*iocbq_entry
= NULL
;
4824 /* Initialize and populate the iocb list per host. */
4825 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
4826 for (i
= 0; i
< iocb_count
; i
++) {
4827 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
4828 if (iocbq_entry
== NULL
) {
4829 printk(KERN_ERR
"%s: only allocated %d iocbs of "
4830 "expected %d count. Unloading driver.\n",
4831 __func__
, i
, LPFC_IOCB_LIST_CNT
);
4832 goto out_free_iocbq
;
4835 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
4838 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
4839 "Unloading driver.\n", __func__
);
4840 goto out_free_iocbq
;
4842 iocbq_entry
->sli4_lxritag
= NO_XRI
;
4843 iocbq_entry
->sli4_xritag
= NO_XRI
;
4845 spin_lock_irq(&phba
->hbalock
);
4846 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
4847 phba
->total_iocbq_bufs
++;
4848 spin_unlock_irq(&phba
->hbalock
);
4854 lpfc_free_iocb_list(phba
);
4860 * lpfc_free_sgl_list - Free sgl list.
4861 * @phba: pointer to lpfc hba data structure.
4863 * This routine is invoked to free the driver's sgl list and memory.
4866 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
4868 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
4869 LIST_HEAD(sglq_list
);
4871 spin_lock_irq(&phba
->hbalock
);
4872 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
4873 spin_unlock_irq(&phba
->hbalock
);
4875 list_for_each_entry_safe(sglq_entry
, sglq_next
,
4877 list_del(&sglq_entry
->list
);
4878 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
4880 phba
->sli4_hba
.total_sglq_bufs
--;
4882 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4886 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
4887 * @phba: pointer to lpfc hba data structure.
4889 * This routine is invoked to allocate the driver's active sgl memory.
4890 * This array will hold the sglq_entry's for active IOs.
4893 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
4896 size
= sizeof(struct lpfc_sglq
*);
4897 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
4899 phba
->sli4_hba
.lpfc_sglq_active_list
=
4900 kzalloc(size
, GFP_KERNEL
);
4901 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
4907 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
4908 * @phba: pointer to lpfc hba data structure.
4910 * This routine is invoked to walk through the array of active sglq entries
4911 * and free all of the resources.
4912 * This is just a place holder for now.
4915 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
4917 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
4921 * lpfc_init_sgl_list - Allocate and initialize sgl list.
4922 * @phba: pointer to lpfc hba data structure.
4924 * This routine is invoked to allocate and initizlize the driver's sgl
4925 * list and set up the sgl xritag tag array accordingly.
4929 * other values - error
4932 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
4934 struct lpfc_sglq
*sglq_entry
= NULL
;
4938 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
4939 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4940 "2400 ELS XRI count %d.\n",
4942 /* Initialize and populate the sglq list per host/VF. */
4943 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
4944 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
4946 /* Sanity check on XRI management */
4947 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
4948 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4949 "2562 No room left for SCSI XRI allocation: "
4950 "max_xri=%d, els_xri=%d\n",
4951 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4956 /* Allocate memory for the ELS XRI management array */
4957 phba
->sli4_hba
.lpfc_els_sgl_array
=
4958 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4961 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4962 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4963 "2401 Failed to allocate memory for ELS "
4964 "XRI management array of size %d.\n",
4969 /* Keep the SCSI XRI into the XRI management array */
4970 phba
->sli4_hba
.scsi_xri_max
=
4971 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4972 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4973 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4974 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4975 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4977 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4978 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4979 "2563 Failed to allocate memory for SCSI "
4980 "XRI management array of size %d.\n",
4981 phba
->sli4_hba
.scsi_xri_max
);
4982 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4986 for (i
= 0; i
< els_xri_cnt
; i
++) {
4987 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4988 if (sglq_entry
== NULL
) {
4989 printk(KERN_ERR
"%s: only allocated %d sgls of "
4990 "expected %d count. Unloading driver.\n",
4991 __func__
, i
, els_xri_cnt
);
4995 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4996 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4997 if (sglq_entry
->virt
== NULL
) {
4999 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
5000 "Unloading driver.\n", __func__
);
5003 sglq_entry
->sgl
= sglq_entry
->virt
;
5004 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
5006 /* The list order is used by later block SGL registraton */
5007 spin_lock_irq(&phba
->hbalock
);
5008 sglq_entry
->state
= SGL_FREED
;
5009 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
5010 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
5011 phba
->sli4_hba
.total_sglq_bufs
++;
5012 spin_unlock_irq(&phba
->hbalock
);
5017 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
5018 lpfc_free_sgl_list(phba
);
5023 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5024 * @phba: pointer to lpfc hba data structure.
5026 * This routine is invoked to post rpi header templates to the
5027 * port for those SLI4 ports that do not support extents. This routine
5028 * posts a PAGE_SIZE memory region to the port to hold up to
5029 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5030 * and should be called only when interrupts are disabled.
5034 * -ERROR - otherwise.
5037 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5040 struct lpfc_rpi_hdr
*rpi_hdr
;
5042 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5044 * If the SLI4 port supports extents, posting the rpi header isn't
5045 * required. Set the expected maximum count and let the actual value
5046 * get set when extents are fully allocated.
5048 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
5049 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5052 if (phba
->sli4_hba
.extents_in_use
)
5055 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5057 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5058 "0391 Error during rpi post operation\n");
5059 lpfc_sli4_remove_rpis(phba
);
5067 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5068 * @phba: pointer to lpfc hba data structure.
5070 * This routine is invoked to allocate a single 4KB memory region to
5071 * support rpis and stores them in the phba. This single region
5072 * provides support for up to 64 rpis. The region is used globally
5076 * A valid rpi hdr on success.
5077 * A NULL pointer on any failure.
5079 struct lpfc_rpi_hdr
*
5080 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5082 uint16_t rpi_limit
, curr_rpi_range
;
5083 struct lpfc_dmabuf
*dmabuf
;
5084 struct lpfc_rpi_hdr
*rpi_hdr
;
5088 * If the SLI4 port supports extents, posting the rpi header isn't
5089 * required. Set the expected maximum count and let the actual value
5090 * get set when extents are fully allocated.
5092 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5094 if (phba
->sli4_hba
.extents_in_use
)
5097 /* The limit on the logical index is just the max_rpi count. */
5098 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5099 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5101 spin_lock_irq(&phba
->hbalock
);
5103 * Establish the starting RPI in this header block. The starting
5104 * rpi is normalized to a zero base because the physical rpi is
5107 curr_rpi_range
= phba
->sli4_hba
.next_rpi
-
5108 phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5109 spin_unlock_irq(&phba
->hbalock
);
5112 * The port has a limited number of rpis. The increment here
5113 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5114 * and to allow the full max_rpi range per port.
5116 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5117 rpi_count
= rpi_limit
- curr_rpi_range
;
5119 rpi_count
= LPFC_RPI_HDR_COUNT
;
5124 * First allocate the protocol header region for the port. The
5125 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5127 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5131 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5132 LPFC_HDR_TEMPLATE_SIZE
,
5135 if (!dmabuf
->virt
) {
5137 goto err_free_dmabuf
;
5140 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5141 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5143 goto err_free_coherent
;
5146 /* Save the rpi header data for cleanup later. */
5147 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5149 goto err_free_coherent
;
5151 rpi_hdr
->dmabuf
= dmabuf
;
5152 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5153 rpi_hdr
->page_count
= 1;
5154 spin_lock_irq(&phba
->hbalock
);
5156 /* The rpi_hdr stores the logical index only. */
5157 rpi_hdr
->start_rpi
= curr_rpi_range
;
5158 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5161 * The next_rpi stores the next logical module-64 rpi value used
5162 * to post physical rpis in subsequent rpi postings.
5164 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5165 spin_unlock_irq(&phba
->hbalock
);
5169 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5170 dmabuf
->virt
, dmabuf
->phys
);
5177 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5178 * @phba: pointer to lpfc hba data structure.
5180 * This routine is invoked to remove all memory resources allocated
5181 * to support rpis for SLI4 ports not supporting extents. This routine
5182 * presumes the caller has released all rpis consumed by fabric or port
5183 * logins and is prepared to have the header pages removed.
5186 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5188 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5190 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5193 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5194 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5195 list_del(&rpi_hdr
->list
);
5196 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5197 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5198 kfree(rpi_hdr
->dmabuf
);
5202 /* There are no rpis available to the port now. */
5203 phba
->sli4_hba
.next_rpi
= 0;
5207 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5208 * @pdev: pointer to pci device data structure.
5210 * This routine is invoked to allocate the driver hba data structure for an
5211 * HBA device. If the allocation is successful, the phba reference to the
5212 * PCI device data structure is set.
5215 * pointer to @phba - successful
5218 static struct lpfc_hba
*
5219 lpfc_hba_alloc(struct pci_dev
*pdev
)
5221 struct lpfc_hba
*phba
;
5223 /* Allocate memory for HBA structure */
5224 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5226 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5230 /* Set reference to PCI device in HBA structure */
5231 phba
->pcidev
= pdev
;
5233 /* Assign an unused board number */
5234 phba
->brd_no
= lpfc_get_instance();
5235 if (phba
->brd_no
< 0) {
5240 spin_lock_init(&phba
->ct_ev_lock
);
5241 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5247 * lpfc_hba_free - Free driver hba data structure with a device.
5248 * @phba: pointer to lpfc hba data structure.
5250 * This routine is invoked to free the driver hba data structure with an
5254 lpfc_hba_free(struct lpfc_hba
*phba
)
5256 /* Release the driver assigned board number */
5257 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5264 * lpfc_create_shost - Create hba physical port with associated scsi host.
5265 * @phba: pointer to lpfc hba data structure.
5267 * This routine is invoked to create HBA physical port and associate a SCSI
5272 * other values - error
5275 lpfc_create_shost(struct lpfc_hba
*phba
)
5277 struct lpfc_vport
*vport
;
5278 struct Scsi_Host
*shost
;
5280 /* Initialize HBA FC structure */
5281 phba
->fc_edtov
= FF_DEF_EDTOV
;
5282 phba
->fc_ratov
= FF_DEF_RATOV
;
5283 phba
->fc_altov
= FF_DEF_ALTOV
;
5284 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5286 atomic_set(&phba
->sdev_cnt
, 0);
5287 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5291 shost
= lpfc_shost_from_vport(vport
);
5292 phba
->pport
= vport
;
5293 lpfc_debugfs_initialize(vport
);
5294 /* Put reference to SCSI host to driver's device private data */
5295 pci_set_drvdata(phba
->pcidev
, shost
);
5301 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5302 * @phba: pointer to lpfc hba data structure.
5304 * This routine is invoked to destroy HBA physical port and the associated
5308 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5310 struct lpfc_vport
*vport
= phba
->pport
;
5312 /* Destroy physical port that associated with the SCSI host */
5313 destroy_port(vport
);
5319 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5320 * @phba: pointer to lpfc hba data structure.
5321 * @shost: the shost to be used to detect Block guard settings.
5323 * This routine sets up the local Block guard protocol settings for @shost.
5324 * This routine also allocates memory for debugging bg buffers.
5327 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5330 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5331 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5332 "1478 Registering BlockGuard with the "
5334 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5335 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5337 if (!_dump_buf_data
) {
5339 spin_lock_init(&_dump_buf_lock
);
5341 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5342 if (_dump_buf_data
) {
5343 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5344 "9043 BLKGRD: allocated %d pages for "
5345 "_dump_buf_data at 0x%p\n",
5346 (1 << pagecnt
), _dump_buf_data
);
5347 _dump_buf_data_order
= pagecnt
;
5348 memset(_dump_buf_data
, 0,
5349 ((1 << PAGE_SHIFT
) << pagecnt
));
5354 if (!_dump_buf_data_order
)
5355 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5356 "9044 BLKGRD: ERROR unable to allocate "
5357 "memory for hexdump\n");
5359 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5360 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5361 "\n", _dump_buf_data
);
5362 if (!_dump_buf_dif
) {
5365 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5366 if (_dump_buf_dif
) {
5367 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5368 "9046 BLKGRD: allocated %d pages for "
5369 "_dump_buf_dif at 0x%p\n",
5370 (1 << pagecnt
), _dump_buf_dif
);
5371 _dump_buf_dif_order
= pagecnt
;
5372 memset(_dump_buf_dif
, 0,
5373 ((1 << PAGE_SHIFT
) << pagecnt
));
5378 if (!_dump_buf_dif_order
)
5379 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5380 "9047 BLKGRD: ERROR unable to allocate "
5381 "memory for hexdump\n");
5383 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5384 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5389 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5390 * @phba: pointer to lpfc hba data structure.
5392 * This routine is invoked to perform all the necessary post initialization
5393 * setup for the device.
5396 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5398 struct Scsi_Host
*shost
;
5399 struct lpfc_adapter_event_header adapter_event
;
5401 /* Get the default values for Model Name and Description */
5402 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5405 * hba setup may have changed the hba_queue_depth so we need to
5406 * adjust the value of can_queue.
5408 shost
= pci_get_drvdata(phba
->pcidev
);
5409 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5410 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5411 lpfc_setup_bg(phba
, shost
);
5413 lpfc_host_attrib_init(shost
);
5415 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5416 spin_lock_irq(shost
->host_lock
);
5417 lpfc_poll_start_timer(phba
);
5418 spin_unlock_irq(shost
->host_lock
);
5421 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5422 "0428 Perform SCSI scan\n");
5423 /* Send board arrival event to upper layer */
5424 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5425 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5426 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5427 sizeof(adapter_event
),
5428 (char *) &adapter_event
,
5434 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5435 * @phba: pointer to lpfc hba data structure.
5437 * This routine is invoked to set up the PCI device memory space for device
5438 * with SLI-3 interface spec.
5442 * other values - error
5445 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5447 struct pci_dev
*pdev
;
5448 unsigned long bar0map_len
, bar2map_len
;
5451 int error
= -ENODEV
;
5453 /* Obtain PCI device reference */
5457 pdev
= phba
->pcidev
;
5459 /* Set the device DMA mask size */
5460 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5461 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5462 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5463 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5468 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5469 * required by each mapping.
5471 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5472 bar0map_len
= pci_resource_len(pdev
, 0);
5474 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5475 bar2map_len
= pci_resource_len(pdev
, 2);
5477 /* Map HBA SLIM to a kernel virtual address. */
5478 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5479 if (!phba
->slim_memmap_p
) {
5480 dev_printk(KERN_ERR
, &pdev
->dev
,
5481 "ioremap failed for SLIM memory.\n");
5485 /* Map HBA Control Registers to a kernel virtual address. */
5486 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5487 if (!phba
->ctrl_regs_memmap_p
) {
5488 dev_printk(KERN_ERR
, &pdev
->dev
,
5489 "ioremap failed for HBA control registers.\n");
5490 goto out_iounmap_slim
;
5493 /* Allocate memory for SLI-2 structures */
5494 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5498 if (!phba
->slim2p
.virt
)
5501 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5502 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5503 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5504 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5505 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5506 phba
->IOCBs
= (phba
->slim2p
.virt
+
5507 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5509 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5510 lpfc_sli_hbq_size(),
5511 &phba
->hbqslimp
.phys
,
5513 if (!phba
->hbqslimp
.virt
)
5516 hbq_count
= lpfc_sli_hbq_count();
5517 ptr
= phba
->hbqslimp
.virt
;
5518 for (i
= 0; i
< hbq_count
; ++i
) {
5519 phba
->hbqs
[i
].hbq_virt
= ptr
;
5520 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5521 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5522 sizeof(struct lpfc_hbq_entry
));
5524 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5525 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5527 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5529 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5531 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5532 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5533 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5534 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5535 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5540 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5541 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5543 iounmap(phba
->ctrl_regs_memmap_p
);
5545 iounmap(phba
->slim_memmap_p
);
5551 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5552 * @phba: pointer to lpfc hba data structure.
5554 * This routine is invoked to unset the PCI device memory space for device
5555 * with SLI-3 interface spec.
5558 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5560 struct pci_dev
*pdev
;
5562 /* Obtain PCI device reference */
5566 pdev
= phba
->pcidev
;
5568 /* Free coherent DMA memory allocated */
5569 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5570 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5571 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5572 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5574 /* I/O memory unmap */
5575 iounmap(phba
->ctrl_regs_memmap_p
);
5576 iounmap(phba
->slim_memmap_p
);
5582 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5583 * @phba: pointer to lpfc hba data structure.
5585 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5586 * done and check status.
5588 * Return 0 if successful, otherwise -ENODEV.
5591 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5593 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5594 struct lpfc_register reg_data
;
5595 int i
, port_error
= 0;
5598 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5599 memset(®_data
, 0, sizeof(reg_data
));
5600 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5603 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5604 for (i
= 0; i
< 3000; i
++) {
5605 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5606 &portsmphr_reg
.word0
) ||
5607 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5608 /* Port has a fatal POST error, break out */
5609 port_error
= -ENODEV
;
5612 if (LPFC_POST_STAGE_PORT_READY
==
5613 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5619 * If there was a port error during POST, then don't proceed with
5620 * other register reads as the data may not be valid. Just exit.
5623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5624 "1408 Port Failed POST - portsmphr=0x%x, "
5625 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5626 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5627 portsmphr_reg
.word0
,
5628 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5629 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5630 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5631 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5632 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5633 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5634 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5635 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5637 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5638 "2534 Device Info: SLIFamily=0x%x, "
5639 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5640 "SLIHint_2=0x%x, FT=0x%x\n",
5641 bf_get(lpfc_sli_intf_sli_family
,
5642 &phba
->sli4_hba
.sli_intf
),
5643 bf_get(lpfc_sli_intf_slirev
,
5644 &phba
->sli4_hba
.sli_intf
),
5645 bf_get(lpfc_sli_intf_if_type
,
5646 &phba
->sli4_hba
.sli_intf
),
5647 bf_get(lpfc_sli_intf_sli_hint1
,
5648 &phba
->sli4_hba
.sli_intf
),
5649 bf_get(lpfc_sli_intf_sli_hint2
,
5650 &phba
->sli4_hba
.sli_intf
),
5651 bf_get(lpfc_sli_intf_func_type
,
5652 &phba
->sli4_hba
.sli_intf
));
5654 * Check for other Port errors during the initialization
5655 * process. Fail the load if the port did not come up
5658 if_type
= bf_get(lpfc_sli_intf_if_type
,
5659 &phba
->sli4_hba
.sli_intf
);
5661 case LPFC_SLI_INTF_IF_TYPE_0
:
5662 phba
->sli4_hba
.ue_mask_lo
=
5663 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
5664 phba
->sli4_hba
.ue_mask_hi
=
5665 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
5667 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
5669 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
5670 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
5671 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
5672 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5673 "1422 Unrecoverable Error "
5674 "Detected during POST "
5675 "uerr_lo_reg=0x%x, "
5676 "uerr_hi_reg=0x%x, "
5677 "ue_mask_lo_reg=0x%x, "
5678 "ue_mask_hi_reg=0x%x\n",
5681 phba
->sli4_hba
.ue_mask_lo
,
5682 phba
->sli4_hba
.ue_mask_hi
);
5683 port_error
= -ENODEV
;
5686 case LPFC_SLI_INTF_IF_TYPE_2
:
5687 /* Final checks. The port status should be clean. */
5688 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
5690 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
5691 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
5692 phba
->work_status
[0] =
5693 readl(phba
->sli4_hba
.u
.if_type2
.
5695 phba
->work_status
[1] =
5696 readl(phba
->sli4_hba
.u
.if_type2
.
5698 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5699 "2888 Port Error Detected "
5701 "port status reg 0x%x, "
5702 "port_smphr reg 0x%x, "
5703 "error 1=0x%x, error 2=0x%x\n",
5705 portsmphr_reg
.word0
,
5706 phba
->work_status
[0],
5707 phba
->work_status
[1]);
5708 port_error
= -ENODEV
;
5711 case LPFC_SLI_INTF_IF_TYPE_1
:
5720 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
5721 * @phba: pointer to lpfc hba data structure.
5722 * @if_type: The SLI4 interface type getting configured.
5724 * This routine is invoked to set up SLI4 BAR0 PCI config space register
5728 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
5731 case LPFC_SLI_INTF_IF_TYPE_0
:
5732 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
5733 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
5734 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
5735 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
5736 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
5737 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
5738 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
5739 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
5740 phba
->sli4_hba
.SLIINTFregaddr
=
5741 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5743 case LPFC_SLI_INTF_IF_TYPE_2
:
5744 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
5745 phba
->sli4_hba
.conf_regs_memmap_p
+
5746 LPFC_CTL_PORT_ER1_OFFSET
;
5747 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
5748 phba
->sli4_hba
.conf_regs_memmap_p
+
5749 LPFC_CTL_PORT_ER2_OFFSET
;
5750 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
5751 phba
->sli4_hba
.conf_regs_memmap_p
+
5752 LPFC_CTL_PORT_CTL_OFFSET
;
5753 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
5754 phba
->sli4_hba
.conf_regs_memmap_p
+
5755 LPFC_CTL_PORT_STA_OFFSET
;
5756 phba
->sli4_hba
.SLIINTFregaddr
=
5757 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5758 phba
->sli4_hba
.PSMPHRregaddr
=
5759 phba
->sli4_hba
.conf_regs_memmap_p
+
5760 LPFC_CTL_PORT_SEM_OFFSET
;
5761 phba
->sli4_hba
.RQDBregaddr
=
5762 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
5763 phba
->sli4_hba
.WQDBregaddr
=
5764 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
5765 phba
->sli4_hba
.EQCQDBregaddr
=
5766 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
5767 phba
->sli4_hba
.MQDBregaddr
=
5768 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
5769 phba
->sli4_hba
.BMBXregaddr
=
5770 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
5772 case LPFC_SLI_INTF_IF_TYPE_1
:
5774 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
5775 "FATAL - unsupported SLI4 interface type - %d\n",
5782 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
5783 * @phba: pointer to lpfc hba data structure.
5785 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
5789 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
5791 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5792 LPFC_SLIPORT_IF0_SMPHR
;
5793 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5795 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5797 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5802 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
5803 * @phba: pointer to lpfc hba data structure.
5804 * @vf: virtual function number
5806 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
5807 * based on the given viftual function number, @vf.
5809 * Return 0 if successful, otherwise -ENODEV.
5812 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
5814 if (vf
> LPFC_VIR_FUNC_MAX
)
5817 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5818 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
5819 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5820 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
5821 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5822 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
5823 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5824 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
5825 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5826 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
5831 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
5832 * @phba: pointer to lpfc hba data structure.
5834 * This routine is invoked to create the bootstrap mailbox
5835 * region consistent with the SLI-4 interface spec. This
5836 * routine allocates all memory necessary to communicate
5837 * mailbox commands to the port and sets up all alignment
5838 * needs. No locks are expected to be held when calling
5843 * -ENOMEM - could not allocated memory.
5846 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
5849 struct lpfc_dmabuf
*dmabuf
;
5850 struct dma_address
*dma_address
;
5854 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5859 * The bootstrap mailbox region is comprised of 2 parts
5860 * plus an alignment restriction of 16 bytes.
5862 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
5863 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5867 if (!dmabuf
->virt
) {
5871 memset(dmabuf
->virt
, 0, bmbx_size
);
5874 * Initialize the bootstrap mailbox pointers now so that the register
5875 * operations are simple later. The mailbox dma address is required
5876 * to be 16-byte aligned. Also align the virtual memory as each
5877 * maibox is copied into the bmbx mailbox region before issuing the
5878 * command to the port.
5880 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
5881 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
5883 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
5884 LPFC_ALIGN_16_BYTE
);
5885 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
5886 LPFC_ALIGN_16_BYTE
);
5889 * Set the high and low physical addresses now. The SLI4 alignment
5890 * requirement is 16 bytes and the mailbox is posted to the port
5891 * as two 30-bit addresses. The other data is a bit marking whether
5892 * the 30-bit address is the high or low address.
5893 * Upcast bmbx aphys to 64bits so shift instruction compiles
5894 * clean on 32 bit machines.
5896 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
5897 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
5898 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
5899 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
5900 LPFC_BMBX_BIT1_ADDR_HI
);
5902 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
5903 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
5904 LPFC_BMBX_BIT1_ADDR_LO
);
5909 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
5910 * @phba: pointer to lpfc hba data structure.
5912 * This routine is invoked to teardown the bootstrap mailbox
5913 * region and release all host resources. This routine requires
5914 * the caller to ensure all mailbox commands recovered, no
5915 * additional mailbox comands are sent, and interrupts are disabled
5916 * before calling this routine.
5920 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
5922 dma_free_coherent(&phba
->pcidev
->dev
,
5923 phba
->sli4_hba
.bmbx
.bmbx_size
,
5924 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
5925 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
5927 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
5928 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
5932 * lpfc_sli4_read_config - Get the config parameters.
5933 * @phba: pointer to lpfc hba data structure.
5935 * This routine is invoked to read the configuration parameters from the HBA.
5936 * The configuration parameters are used to set the base and maximum values
5937 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
5938 * allocation for the port.
5942 * -ENOMEM - No available memory
5943 * -EIO - The mailbox failed to complete successfully.
5946 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
5949 struct lpfc_mbx_read_config
*rd_config
;
5950 union lpfc_sli4_cfg_shdr
*shdr
;
5951 uint32_t shdr_status
, shdr_add_status
;
5952 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
5953 struct lpfc_rsrc_desc_fcfcoe
*desc
;
5954 uint32_t desc_count
;
5955 int length
, i
, rc
= 0;
5957 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5959 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5960 "2011 Unable to allocate memory for issuing "
5961 "SLI_CONFIG_SPECIAL mailbox command\n");
5965 lpfc_read_config(phba
, pmb
);
5967 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
5968 if (rc
!= MBX_SUCCESS
) {
5969 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5970 "2012 Mailbox failed , mbxCmd x%x "
5971 "READ_CONFIG, mbxStatus x%x\n",
5972 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
5973 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
5976 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
5977 phba
->sli4_hba
.extents_in_use
=
5978 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
5979 phba
->sli4_hba
.max_cfg_param
.max_xri
=
5980 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
5981 phba
->sli4_hba
.max_cfg_param
.xri_base
=
5982 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
5983 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
5984 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
5985 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
5986 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
5987 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
5988 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
5989 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
5990 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
5991 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
5992 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
5993 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
5994 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
5995 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
5996 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
5997 phba
->sli4_hba
.max_cfg_param
.max_eq
=
5998 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
5999 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6000 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6001 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6002 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6003 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6004 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6005 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6006 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6007 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6008 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6009 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
6010 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6011 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6012 phba
->max_vports
= phba
->max_vpi
;
6013 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6014 "2003 cfg params Extents? %d "
6020 phba
->sli4_hba
.extents_in_use
,
6021 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6022 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6023 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6024 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6025 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6026 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6027 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6028 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6029 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6035 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6036 if (phba
->cfg_hba_queue_depth
>
6037 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6038 lpfc_sli4_get_els_iocb_cnt(phba
)))
6039 phba
->cfg_hba_queue_depth
=
6040 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6041 lpfc_sli4_get_els_iocb_cnt(phba
);
6043 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6044 LPFC_SLI_INTF_IF_TYPE_2
)
6047 /* get the pf# and vf# for SLI4 if_type 2 port */
6048 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6049 sizeof(struct lpfc_sli4_cfg_mhdr
));
6050 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6051 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6052 length
, LPFC_SLI4_MBX_EMBED
);
6054 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6055 shdr
= (union lpfc_sli4_cfg_shdr
*)
6056 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6057 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6058 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6059 if (rc
|| shdr_status
|| shdr_add_status
) {
6060 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6061 "3026 Mailbox failed , mbxCmd x%x "
6062 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6063 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6064 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6069 /* search for fc_fcoe resrouce descriptor */
6070 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6071 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6073 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6074 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)
6075 &get_func_cfg
->func_cfg
.desc
[i
];
6076 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6077 bf_get(lpfc_rsrc_desc_pcie_type
, desc
)) {
6078 phba
->sli4_hba
.iov
.pf_number
=
6079 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6080 phba
->sli4_hba
.iov
.vf_number
=
6081 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6086 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6087 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6088 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6089 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6090 phba
->sli4_hba
.iov
.vf_number
);
6092 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6093 "3028 GET_FUNCTION_CONFIG: failed to find "
6094 "Resrouce Descriptor:x%x\n",
6095 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6100 mempool_free(pmb
, phba
->mbox_mem_pool
);
6105 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6106 * @phba: pointer to lpfc hba data structure.
6108 * This routine is invoked to setup the port-side endian order when
6109 * the port if_type is 0. This routine has no function for other
6114 * -ENOMEM - No available memory
6115 * -EIO - The mailbox failed to complete successfully.
6118 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6120 LPFC_MBOXQ_t
*mboxq
;
6121 uint32_t if_type
, rc
= 0;
6122 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6123 HOST_ENDIAN_HIGH_WORD1
};
6125 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6127 case LPFC_SLI_INTF_IF_TYPE_0
:
6128 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6131 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6132 "0492 Unable to allocate memory for "
6133 "issuing SLI_CONFIG_SPECIAL mailbox "
6139 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6140 * two words to contain special data values and no other data.
6142 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6143 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6144 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6145 if (rc
!= MBX_SUCCESS
) {
6146 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6147 "0493 SLI_CONFIG_SPECIAL mailbox "
6148 "failed with status x%x\n",
6152 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6154 case LPFC_SLI_INTF_IF_TYPE_2
:
6155 case LPFC_SLI_INTF_IF_TYPE_1
:
6163 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6164 * @phba: pointer to lpfc hba data structure.
6166 * This routine is invoked to check the user settable queue counts for EQs and
6167 * CQs. after this routine is called the counts will be set to valid values that
6168 * adhere to the constraints of the system's interrupt vectors and the port's
6173 * -ENOMEM - No available memory
6176 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6178 int cfg_fcp_wq_count
;
6179 int cfg_fcp_eq_count
;
6182 * Sanity check for confiugred queue parameters against the run-time
6186 /* Sanity check on FCP fast-path WQ parameters */
6187 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
6188 if (cfg_fcp_wq_count
>
6189 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
6190 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
6192 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
6193 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6194 "2581 Not enough WQs (%d) from "
6195 "the pci function for supporting "
6197 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6198 phba
->cfg_fcp_wq_count
);
6201 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6202 "2582 Not enough WQs (%d) from the pci "
6203 "function for supporting the requested "
6204 "FCP WQs (%d), the actual FCP WQs can "
6205 "be supported: %d\n",
6206 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6207 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
6209 /* The actual number of FCP work queues adopted */
6210 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
6212 /* Sanity check on FCP fast-path EQ parameters */
6213 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
6214 if (cfg_fcp_eq_count
>
6215 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
6216 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
6218 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
6219 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6220 "2574 Not enough EQs (%d) from the "
6221 "pci function for supporting FCP "
6223 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6224 phba
->cfg_fcp_eq_count
);
6227 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6228 "2575 Not enough EQs (%d) from the pci "
6229 "function for supporting the requested "
6230 "FCP EQs (%d), the actual FCP EQs can "
6231 "be supported: %d\n",
6232 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6233 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
6235 /* It does not make sense to have more EQs than WQs */
6236 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
6237 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6238 "2593 The FCP EQ count(%d) cannot be greater "
6239 "than the FCP WQ count(%d), limiting the "
6240 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
6241 phba
->cfg_fcp_wq_count
,
6242 phba
->cfg_fcp_wq_count
);
6243 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
6245 /* The actual number of FCP event queues adopted */
6246 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
6247 /* The overall number of event queues used */
6248 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
6250 /* Get EQ depth from module parameter, fake the default for now */
6251 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6252 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6254 /* Get CQ depth from module parameter, fake the default for now */
6255 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6256 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6264 * lpfc_sli4_queue_create - Create all the SLI4 queues
6265 * @phba: pointer to lpfc hba data structure.
6267 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6268 * operation. For each SLI4 queue type, the parameters such as queue entry
6269 * count (queue depth) shall be taken from the module parameter. For now,
6270 * we just use some constant number as place holder.
6274 * -ENOMEM - No availble memory
6275 * -EIO - The mailbox failed to complete successfully.
6278 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6280 struct lpfc_queue
*qdesc
;
6281 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6284 * Create Event Queues (EQs)
6287 /* Create slow path event queue */
6288 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6289 phba
->sli4_hba
.eq_ecount
);
6291 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6292 "0496 Failed allocate slow-path EQ\n");
6295 phba
->sli4_hba
.sp_eq
= qdesc
;
6298 * Create fast-path FCP Event Queue(s). The cfg_fcp_eq_count can be
6299 * zero whenever there is exactly one interrupt vector. This is not
6302 if (phba
->cfg_fcp_eq_count
) {
6303 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6304 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6305 if (!phba
->sli4_hba
.fp_eq
) {
6306 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6307 "2576 Failed allocate memory for "
6308 "fast-path EQ record array\n");
6309 goto out_free_sp_eq
;
6312 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6313 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6314 phba
->sli4_hba
.eq_ecount
);
6316 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6317 "0497 Failed allocate fast-path EQ\n");
6318 goto out_free_fp_eq
;
6320 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
6324 * Create Complete Queues (CQs)
6327 /* Create slow-path Mailbox Command Complete Queue */
6328 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6329 phba
->sli4_hba
.cq_ecount
);
6331 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6332 "0500 Failed allocate slow-path mailbox CQ\n");
6333 goto out_free_fp_eq
;
6335 phba
->sli4_hba
.mbx_cq
= qdesc
;
6337 /* Create slow-path ELS Complete Queue */
6338 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6339 phba
->sli4_hba
.cq_ecount
);
6341 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6342 "0501 Failed allocate slow-path ELS CQ\n");
6343 goto out_free_mbx_cq
;
6345 phba
->sli4_hba
.els_cq
= qdesc
;
6349 * Create fast-path FCP Completion Queue(s), one-to-one with FCP EQs.
6350 * If there are no FCP EQs then create exactly one FCP CQ.
6352 if (phba
->cfg_fcp_eq_count
)
6353 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6354 phba
->cfg_fcp_eq_count
),
6357 phba
->sli4_hba
.fcp_cq
= kzalloc(sizeof(struct lpfc_queue
*),
6359 if (!phba
->sli4_hba
.fcp_cq
) {
6360 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6361 "2577 Failed allocate memory for fast-path "
6362 "CQ record array\n");
6363 goto out_free_els_cq
;
6367 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6368 phba
->sli4_hba
.cq_ecount
);
6370 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6371 "0499 Failed allocate fast-path FCP "
6372 "CQ (%d)\n", fcp_cqidx
);
6373 goto out_free_fcp_cq
;
6375 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
6376 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6378 /* Create Mailbox Command Queue */
6379 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6380 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6382 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6383 phba
->sli4_hba
.mq_ecount
);
6385 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6386 "0505 Failed allocate slow-path MQ\n");
6387 goto out_free_fcp_cq
;
6389 phba
->sli4_hba
.mbx_wq
= qdesc
;
6392 * Create all the Work Queues (WQs)
6394 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6395 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6397 /* Create slow-path ELS Work Queue */
6398 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6399 phba
->sli4_hba
.wq_ecount
);
6401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6402 "0504 Failed allocate slow-path ELS WQ\n");
6403 goto out_free_mbx_wq
;
6405 phba
->sli4_hba
.els_wq
= qdesc
;
6407 /* Create fast-path FCP Work Queue(s) */
6408 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6409 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
6410 if (!phba
->sli4_hba
.fcp_wq
) {
6411 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6412 "2578 Failed allocate memory for fast-path "
6413 "WQ record array\n");
6414 goto out_free_els_wq
;
6416 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6417 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6418 phba
->sli4_hba
.wq_ecount
);
6420 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6421 "0503 Failed allocate fast-path FCP "
6422 "WQ (%d)\n", fcp_wqidx
);
6423 goto out_free_fcp_wq
;
6425 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
6429 * Create Receive Queue (RQ)
6431 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6432 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6434 /* Create Receive Queue for header */
6435 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6436 phba
->sli4_hba
.rq_ecount
);
6438 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6439 "0506 Failed allocate receive HRQ\n");
6440 goto out_free_fcp_wq
;
6442 phba
->sli4_hba
.hdr_rq
= qdesc
;
6444 /* Create Receive Queue for data */
6445 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6446 phba
->sli4_hba
.rq_ecount
);
6448 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6449 "0507 Failed allocate receive DRQ\n");
6450 goto out_free_hdr_rq
;
6452 phba
->sli4_hba
.dat_rq
= qdesc
;
6457 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6458 phba
->sli4_hba
.hdr_rq
= NULL
;
6460 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
6461 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6462 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
6464 kfree(phba
->sli4_hba
.fcp_wq
);
6466 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6467 phba
->sli4_hba
.els_wq
= NULL
;
6469 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6470 phba
->sli4_hba
.mbx_wq
= NULL
;
6472 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
6473 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6474 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
6476 kfree(phba
->sli4_hba
.fcp_cq
);
6478 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6479 phba
->sli4_hba
.els_cq
= NULL
;
6481 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6482 phba
->sli4_hba
.mbx_cq
= NULL
;
6484 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
6485 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6486 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
6488 kfree(phba
->sli4_hba
.fp_eq
);
6490 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6491 phba
->sli4_hba
.sp_eq
= NULL
;
6497 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6498 * @phba: pointer to lpfc hba data structure.
6500 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6505 * -ENOMEM - No available memory
6506 * -EIO - The mailbox failed to complete successfully.
6509 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6513 /* Release mailbox command work queue */
6514 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6515 phba
->sli4_hba
.mbx_wq
= NULL
;
6517 /* Release ELS work queue */
6518 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6519 phba
->sli4_hba
.els_wq
= NULL
;
6521 /* Release FCP work queue */
6522 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6523 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6524 kfree(phba
->sli4_hba
.fcp_wq
);
6525 phba
->sli4_hba
.fcp_wq
= NULL
;
6527 /* Release unsolicited receive queue */
6528 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6529 phba
->sli4_hba
.hdr_rq
= NULL
;
6530 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6531 phba
->sli4_hba
.dat_rq
= NULL
;
6533 /* Release ELS complete queue */
6534 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6535 phba
->sli4_hba
.els_cq
= NULL
;
6537 /* Release mailbox command complete queue */
6538 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6539 phba
->sli4_hba
.mbx_cq
= NULL
;
6541 /* Release FCP response complete queue */
6544 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6545 while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6546 kfree(phba
->sli4_hba
.fcp_cq
);
6547 phba
->sli4_hba
.fcp_cq
= NULL
;
6549 /* Release fast-path event queue */
6550 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6551 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6552 kfree(phba
->sli4_hba
.fp_eq
);
6553 phba
->sli4_hba
.fp_eq
= NULL
;
6555 /* Release slow-path event queue */
6556 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6557 phba
->sli4_hba
.sp_eq
= NULL
;
6563 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6564 * @phba: pointer to lpfc hba data structure.
6566 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6571 * -ENOMEM - No available memory
6572 * -EIO - The mailbox failed to complete successfully.
6575 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6578 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6579 int fcp_cq_index
= 0;
6582 * Set up Event Queues (EQs)
6585 /* Set up slow-path event queue */
6586 if (!phba
->sli4_hba
.sp_eq
) {
6587 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6588 "0520 Slow-path EQ not allocated\n");
6591 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
6594 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6595 "0521 Failed setup of slow-path EQ: "
6599 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6600 "2583 Slow-path EQ setup: queue-id=%d\n",
6601 phba
->sli4_hba
.sp_eq
->queue_id
);
6603 /* Set up fast-path event queue */
6604 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6605 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
6606 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6607 "0522 Fast-path EQ (%d) not "
6608 "allocated\n", fcp_eqidx
);
6609 goto out_destroy_fp_eq
;
6611 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
6612 phba
->cfg_fcp_imax
);
6614 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6615 "0523 Failed setup of fast-path EQ "
6616 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6617 goto out_destroy_fp_eq
;
6619 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6620 "2584 Fast-path EQ setup: "
6621 "queue[%d]-id=%d\n", fcp_eqidx
,
6622 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
6626 * Set up Complete Queues (CQs)
6629 /* Set up slow-path MBOX Complete Queue as the first CQ */
6630 if (!phba
->sli4_hba
.mbx_cq
) {
6631 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6632 "0528 Mailbox CQ not allocated\n");
6633 goto out_destroy_fp_eq
;
6635 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
6636 LPFC_MCQ
, LPFC_MBOX
);
6638 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6639 "0529 Failed setup of slow-path mailbox CQ: "
6641 goto out_destroy_fp_eq
;
6643 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6644 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
6645 phba
->sli4_hba
.mbx_cq
->queue_id
,
6646 phba
->sli4_hba
.sp_eq
->queue_id
);
6648 /* Set up slow-path ELS Complete Queue */
6649 if (!phba
->sli4_hba
.els_cq
) {
6650 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6651 "0530 ELS CQ not allocated\n");
6652 goto out_destroy_mbx_cq
;
6654 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
6655 LPFC_WCQ
, LPFC_ELS
);
6657 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6658 "0531 Failed setup of slow-path ELS CQ: "
6660 goto out_destroy_mbx_cq
;
6662 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6663 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
6664 phba
->sli4_hba
.els_cq
->queue_id
,
6665 phba
->sli4_hba
.sp_eq
->queue_id
);
6667 /* Set up fast-path FCP Response Complete Queue */
6670 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
6671 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6672 "0526 Fast-path FCP CQ (%d) not "
6673 "allocated\n", fcp_cqidx
);
6674 goto out_destroy_fcp_cq
;
6676 if (phba
->cfg_fcp_eq_count
)
6677 rc
= lpfc_cq_create(phba
,
6678 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6679 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
6680 LPFC_WCQ
, LPFC_FCP
);
6682 rc
= lpfc_cq_create(phba
,
6683 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6684 phba
->sli4_hba
.sp_eq
,
6685 LPFC_WCQ
, LPFC_FCP
);
6687 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6688 "0527 Failed setup of fast-path FCP "
6689 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
6690 goto out_destroy_fcp_cq
;
6692 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6693 "2588 FCP CQ setup: cq[%d]-id=%d, "
6694 "parent %seq[%d]-id=%d\n",
6696 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
6697 (phba
->cfg_fcp_eq_count
) ? "" : "sp_",
6699 (phba
->cfg_fcp_eq_count
) ?
6700 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
:
6701 phba
->sli4_hba
.sp_eq
->queue_id
);
6702 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6705 * Set up all the Work Queues (WQs)
6708 /* Set up Mailbox Command Queue */
6709 if (!phba
->sli4_hba
.mbx_wq
) {
6710 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6711 "0538 Slow-path MQ not allocated\n");
6712 goto out_destroy_fcp_cq
;
6714 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
6715 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
6717 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6718 "0539 Failed setup of slow-path MQ: "
6720 goto out_destroy_fcp_cq
;
6722 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6723 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
6724 phba
->sli4_hba
.mbx_wq
->queue_id
,
6725 phba
->sli4_hba
.mbx_cq
->queue_id
);
6727 /* Set up slow-path ELS Work Queue */
6728 if (!phba
->sli4_hba
.els_wq
) {
6729 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6730 "0536 Slow-path ELS WQ not allocated\n");
6731 goto out_destroy_mbx_wq
;
6733 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
6734 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
6736 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6737 "0537 Failed setup of slow-path ELS WQ: "
6739 goto out_destroy_mbx_wq
;
6741 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6742 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
6743 phba
->sli4_hba
.els_wq
->queue_id
,
6744 phba
->sli4_hba
.els_cq
->queue_id
);
6746 /* Set up fast-path FCP Work Queue */
6747 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6748 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
6749 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6750 "0534 Fast-path FCP WQ (%d) not "
6751 "allocated\n", fcp_wqidx
);
6752 goto out_destroy_fcp_wq
;
6754 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
6755 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
6758 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6759 "0535 Failed setup of fast-path FCP "
6760 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
6761 goto out_destroy_fcp_wq
;
6763 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6764 "2591 FCP WQ setup: wq[%d]-id=%d, "
6765 "parent cq[%d]-id=%d\n",
6767 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
6769 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
6770 /* Round robin FCP Work Queue's Completion Queue assignment */
6771 if (phba
->cfg_fcp_eq_count
)
6772 fcp_cq_index
= ((fcp_cq_index
+ 1) %
6773 phba
->cfg_fcp_eq_count
);
6777 * Create Receive Queue (RQ)
6779 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
6780 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6781 "0540 Receive Queue not allocated\n");
6782 goto out_destroy_fcp_wq
;
6785 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
6786 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
6788 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
6789 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
6791 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6792 "0541 Failed setup of Receive Queue: "
6794 goto out_destroy_fcp_wq
;
6797 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6798 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
6799 "parent cq-id=%d\n",
6800 phba
->sli4_hba
.hdr_rq
->queue_id
,
6801 phba
->sli4_hba
.dat_rq
->queue_id
,
6802 phba
->sli4_hba
.els_cq
->queue_id
);
6806 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
6807 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6808 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6810 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6812 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
6813 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6814 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6816 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6818 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
6819 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6820 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6826 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
6827 * @phba: pointer to lpfc hba data structure.
6829 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
6834 * -ENOMEM - No available memory
6835 * -EIO - The mailbox failed to complete successfully.
6838 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
6842 /* Unset mailbox command work queue */
6843 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6844 /* Unset ELS work queue */
6845 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6846 /* Unset unsolicited receive queue */
6847 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
6848 /* Unset FCP work queue */
6849 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6850 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6851 /* Unset mailbox command complete queue */
6852 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6853 /* Unset ELS complete queue */
6854 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6855 /* Unset FCP response complete queue */
6858 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6859 } while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6860 /* Unset fast-path event queue */
6861 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6862 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6863 /* Unset slow-path event queue */
6864 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6868 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
6869 * @phba: pointer to lpfc hba data structure.
6871 * This routine is invoked to allocate and set up a pool of completion queue
6872 * events. The body of the completion queue event is a completion queue entry
6873 * CQE. For now, this pool is used for the interrupt service routine to queue
6874 * the following HBA completion queue events for the worker thread to process:
6875 * - Mailbox asynchronous events
6876 * - Receive queue completion unsolicited events
6877 * Later, this can be used for all the slow-path events.
6881 * -ENOMEM - No available memory
6884 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
6886 struct lpfc_cq_event
*cq_event
;
6889 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
6890 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
6892 goto out_pool_create_fail
;
6893 list_add_tail(&cq_event
->list
,
6894 &phba
->sli4_hba
.sp_cqe_event_pool
);
6898 out_pool_create_fail
:
6899 lpfc_sli4_cq_event_pool_destroy(phba
);
6904 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
6905 * @phba: pointer to lpfc hba data structure.
6907 * This routine is invoked to free the pool of completion queue events at
6908 * driver unload time. Note that, it is the responsibility of the driver
6909 * cleanup routine to free all the outstanding completion-queue events
6910 * allocated from this pool back into the pool before invoking this routine
6911 * to destroy the pool.
6914 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
6916 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
6918 list_for_each_entry_safe(cq_event
, next_cq_event
,
6919 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
6920 list_del(&cq_event
->list
);
6926 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6927 * @phba: pointer to lpfc hba data structure.
6929 * This routine is the lock free version of the API invoked to allocate a
6930 * completion-queue event from the free pool.
6932 * Return: Pointer to the newly allocated completion-queue event if successful
6935 struct lpfc_cq_event
*
6936 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6938 struct lpfc_cq_event
*cq_event
= NULL
;
6940 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
6941 struct lpfc_cq_event
, list
);
6946 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6947 * @phba: pointer to lpfc hba data structure.
6949 * This routine is the lock version of the API invoked to allocate a
6950 * completion-queue event from the free pool.
6952 * Return: Pointer to the newly allocated completion-queue event if successful
6955 struct lpfc_cq_event
*
6956 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6958 struct lpfc_cq_event
*cq_event
;
6959 unsigned long iflags
;
6961 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6962 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
6963 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6968 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6969 * @phba: pointer to lpfc hba data structure.
6970 * @cq_event: pointer to the completion queue event to be freed.
6972 * This routine is the lock free version of the API invoked to release a
6973 * completion-queue event back into the free pool.
6976 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6977 struct lpfc_cq_event
*cq_event
)
6979 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
6983 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6984 * @phba: pointer to lpfc hba data structure.
6985 * @cq_event: pointer to the completion queue event to be freed.
6987 * This routine is the lock version of the API invoked to release a
6988 * completion-queue event back into the free pool.
6991 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6992 struct lpfc_cq_event
*cq_event
)
6994 unsigned long iflags
;
6995 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6996 __lpfc_sli4_cq_event_release(phba
, cq_event
);
6997 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7001 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7002 * @phba: pointer to lpfc hba data structure.
7004 * This routine is to free all the pending completion-queue events to the
7005 * back into the free pool for device reset.
7008 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7011 struct lpfc_cq_event
*cqe
;
7012 unsigned long iflags
;
7014 /* Retrieve all the pending WCQEs from pending WCQE lists */
7015 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7016 /* Pending FCP XRI abort events */
7017 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7019 /* Pending ELS XRI abort events */
7020 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7022 /* Pending asynnc events */
7023 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7025 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7027 while (!list_empty(&cqelist
)) {
7028 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7029 lpfc_sli4_cq_event_release(phba
, cqe
);
7034 * lpfc_pci_function_reset - Reset pci function.
7035 * @phba: pointer to lpfc hba data structure.
7037 * This routine is invoked to request a PCI function reset. It will destroys
7038 * all resources assigned to the PCI function which originates this request.
7042 * -ENOMEM - No available memory
7043 * -EIO - The mailbox failed to complete successfully.
7046 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7048 LPFC_MBOXQ_t
*mboxq
;
7049 uint32_t rc
= 0, if_type
;
7050 uint32_t shdr_status
, shdr_add_status
;
7051 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7052 union lpfc_sli4_cfg_shdr
*shdr
;
7053 struct lpfc_register reg_data
;
7055 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7057 case LPFC_SLI_INTF_IF_TYPE_0
:
7058 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7061 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7062 "0494 Unable to allocate memory for "
7063 "issuing SLI_FUNCTION_RESET mailbox "
7068 /* Setup PCI function reset mailbox-ioctl command */
7069 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7070 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7071 LPFC_SLI4_MBX_EMBED
);
7072 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7073 shdr
= (union lpfc_sli4_cfg_shdr
*)
7074 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7075 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7076 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7078 if (rc
!= MBX_TIMEOUT
)
7079 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7080 if (shdr_status
|| shdr_add_status
|| rc
) {
7081 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7082 "0495 SLI_FUNCTION_RESET mailbox "
7083 "failed with status x%x add_status x%x,"
7084 " mbx status x%x\n",
7085 shdr_status
, shdr_add_status
, rc
);
7089 case LPFC_SLI_INTF_IF_TYPE_2
:
7090 for (num_resets
= 0;
7091 num_resets
< MAX_IF_TYPE_2_RESETS
;
7094 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7095 LPFC_SLIPORT_LITTLE_ENDIAN
);
7096 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7097 LPFC_SLIPORT_INIT_PORT
);
7098 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7102 * Poll the Port Status Register and wait for RDY for
7103 * up to 10 seconds. If the port doesn't respond, treat
7104 * it as an error. If the port responds with RN, start
7107 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7109 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7110 STATUSregaddr
, ®_data
.word0
)) {
7114 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7116 if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
7123 * If the port responds to the init request with
7124 * reset needed, delay for a bit and restart the loop.
7132 /* Detect any port errors. */
7133 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7134 (rdy_chk
>= 1000)) {
7135 phba
->work_status
[0] = readl(
7136 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7137 phba
->work_status
[1] = readl(
7138 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7139 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7140 "2890 Port Error Detected "
7141 "during Port Reset: "
7142 "port status reg 0x%x, "
7143 "error 1=0x%x, error 2=0x%x\n",
7145 phba
->work_status
[0],
7146 phba
->work_status
[1]);
7151 * Terminate the outer loop provided the Port indicated
7152 * ready within 10 seconds.
7157 /* delay driver action following IF_TYPE_2 function reset */
7160 case LPFC_SLI_INTF_IF_TYPE_1
:
7166 /* Catch the not-ready port failure after a port reset. */
7167 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7174 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7175 * @phba: pointer to lpfc hba data structure.
7176 * @cnt: number of nop mailbox commands to send.
7178 * This routine is invoked to send a number @cnt of NOP mailbox command and
7179 * wait for each command to complete.
7181 * Return: the number of NOP mailbox command completed.
7184 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7186 LPFC_MBOXQ_t
*mboxq
;
7187 int length
, cmdsent
;
7190 uint32_t shdr_status
, shdr_add_status
;
7191 union lpfc_sli4_cfg_shdr
*shdr
;
7194 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7195 "2518 Requested to send 0 NOP mailbox cmd\n");
7199 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7201 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7202 "2519 Unable to allocate memory for issuing "
7203 "NOP mailbox command\n");
7207 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7208 length
= (sizeof(struct lpfc_mbx_nop
) -
7209 sizeof(struct lpfc_sli4_cfg_mhdr
));
7210 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7211 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
7213 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7214 if (!phba
->sli4_hba
.intr_enable
)
7215 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7217 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7218 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7220 if (rc
== MBX_TIMEOUT
)
7222 /* Check return status */
7223 shdr
= (union lpfc_sli4_cfg_shdr
*)
7224 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7225 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7226 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7228 if (shdr_status
|| shdr_add_status
|| rc
) {
7229 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7230 "2520 NOP mailbox command failed "
7231 "status x%x add_status x%x mbx "
7232 "status x%x\n", shdr_status
,
7233 shdr_add_status
, rc
);
7238 if (rc
!= MBX_TIMEOUT
)
7239 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7245 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7246 * @phba: pointer to lpfc hba data structure.
7248 * This routine is invoked to set up the PCI device memory space for device
7249 * with SLI-4 interface spec.
7253 * other values - error
7256 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7258 struct pci_dev
*pdev
;
7259 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7260 int error
= -ENODEV
;
7263 /* Obtain PCI device reference */
7267 pdev
= phba
->pcidev
;
7269 /* Set the device DMA mask size */
7270 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7271 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7272 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7273 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7279 * The BARs and register set definitions and offset locations are
7280 * dependent on the if_type.
7282 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7283 &phba
->sli4_hba
.sli_intf
.word0
)) {
7287 /* There is no SLI3 failback for SLI4 devices. */
7288 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7289 LPFC_SLI_INTF_VALID
) {
7290 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7291 "2894 SLI_INTF reg contents invalid "
7292 "sli_intf reg 0x%x\n",
7293 phba
->sli4_hba
.sli_intf
.word0
);
7297 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7299 * Get the bus address of SLI4 device Bar regions and the
7300 * number of bytes required by each mapping. The mapping of the
7301 * particular PCI BARs regions is dependent on the type of
7304 if (pci_resource_start(pdev
, 0)) {
7305 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7306 bar0map_len
= pci_resource_len(pdev
, 0);
7309 * Map SLI4 PCI Config Space Register base to a kernel virtual
7312 phba
->sli4_hba
.conf_regs_memmap_p
=
7313 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7314 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7315 dev_printk(KERN_ERR
, &pdev
->dev
,
7316 "ioremap failed for SLI4 PCI config "
7320 /* Set up BAR0 PCI config space register memory map */
7321 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7323 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7324 bar0map_len
= pci_resource_len(pdev
, 1);
7325 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7326 dev_printk(KERN_ERR
, &pdev
->dev
,
7327 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7330 phba
->sli4_hba
.conf_regs_memmap_p
=
7331 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7332 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7333 dev_printk(KERN_ERR
, &pdev
->dev
,
7334 "ioremap failed for SLI4 PCI config "
7338 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7341 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7342 (pci_resource_start(pdev
, 2))) {
7344 * Map SLI4 if type 0 HBA Control Register base to a kernel
7345 * virtual address and setup the registers.
7347 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7348 bar1map_len
= pci_resource_len(pdev
, 2);
7349 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7350 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7351 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7352 dev_printk(KERN_ERR
, &pdev
->dev
,
7353 "ioremap failed for SLI4 HBA control registers.\n");
7354 goto out_iounmap_conf
;
7356 lpfc_sli4_bar1_register_memmap(phba
);
7359 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7360 (pci_resource_start(pdev
, 4))) {
7362 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7363 * virtual address and setup the registers.
7365 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7366 bar2map_len
= pci_resource_len(pdev
, 4);
7367 phba
->sli4_hba
.drbl_regs_memmap_p
=
7368 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7369 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7370 dev_printk(KERN_ERR
, &pdev
->dev
,
7371 "ioremap failed for SLI4 HBA doorbell registers.\n");
7372 goto out_iounmap_ctrl
;
7374 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7376 goto out_iounmap_all
;
7382 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7384 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7386 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7392 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7393 * @phba: pointer to lpfc hba data structure.
7395 * This routine is invoked to unset the PCI device memory space for device
7396 * with SLI-4 interface spec.
7399 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7401 struct pci_dev
*pdev
;
7403 /* Obtain PCI device reference */
7407 pdev
= phba
->pcidev
;
7409 /* Free coherent DMA memory allocated */
7411 /* Unmap I/O memory space */
7412 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7413 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7414 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7420 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7421 * @phba: pointer to lpfc hba data structure.
7423 * This routine is invoked to enable the MSI-X interrupt vectors to device
7424 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7425 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7426 * invoked, enables either all or nothing, depending on the current
7427 * availability of PCI vector resources. The device driver is responsible
7428 * for calling the individual request_irq() to register each MSI-X vector
7429 * with a interrupt handler, which is done in this function. Note that
7430 * later when device is unloading, the driver should always call free_irq()
7431 * on all MSI-X vectors it has done request_irq() on before calling
7432 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7433 * will be left with MSI-X enabled and leaks its vectors.
7437 * other values - error
7440 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7445 /* Set up MSI-X multi-message vectors */
7446 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7447 phba
->msix_entries
[i
].entry
= i
;
7449 /* Configure MSI-X capability structure */
7450 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7451 ARRAY_SIZE(phba
->msix_entries
));
7453 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7454 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7457 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7458 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7459 "0477 MSI-X entry[%d]: vector=x%x "
7461 phba
->msix_entries
[i
].vector
,
7462 phba
->msix_entries
[i
].entry
);
7464 * Assign MSI-X vectors to interrupt handlers
7467 /* vector-0 is associated to slow-path handler */
7468 rc
= request_irq(phba
->msix_entries
[0].vector
,
7469 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7470 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7472 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7473 "0421 MSI-X slow-path request_irq failed "
7478 /* vector-1 is associated to fast-path handler */
7479 rc
= request_irq(phba
->msix_entries
[1].vector
,
7480 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7481 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7484 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7485 "0429 MSI-X fast-path request_irq failed "
7491 * Configure HBA MSI-X attention conditions to messages
7493 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7498 "0474 Unable to allocate memory for issuing "
7499 "MBOX_CONFIG_MSI command\n");
7502 rc
= lpfc_config_msi(phba
, pmb
);
7505 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7506 if (rc
!= MBX_SUCCESS
) {
7507 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7508 "0351 Config MSI mailbox command failed, "
7509 "mbxCmd x%x, mbxStatus x%x\n",
7510 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7514 /* Free memory allocated for mailbox command */
7515 mempool_free(pmb
, phba
->mbox_mem_pool
);
7519 /* Free memory allocated for mailbox command */
7520 mempool_free(pmb
, phba
->mbox_mem_pool
);
7523 /* free the irq already requested */
7524 free_irq(phba
->msix_entries
[1].vector
, phba
);
7527 /* free the irq already requested */
7528 free_irq(phba
->msix_entries
[0].vector
, phba
);
7531 /* Unconfigure MSI-X capability structure */
7532 pci_disable_msix(phba
->pcidev
);
7537 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7538 * @phba: pointer to lpfc hba data structure.
7540 * This routine is invoked to release the MSI-X vectors and then disable the
7541 * MSI-X interrupt mode to device with SLI-3 interface spec.
7544 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7548 /* Free up MSI-X multi-message vectors */
7549 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7550 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7552 pci_disable_msix(phba
->pcidev
);
7558 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7559 * @phba: pointer to lpfc hba data structure.
7561 * This routine is invoked to enable the MSI interrupt mode to device with
7562 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7563 * enable the MSI vector. The device driver is responsible for calling the
7564 * request_irq() to register MSI vector with a interrupt the handler, which
7565 * is done in this function.
7569 * other values - error
7572 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7576 rc
= pci_enable_msi(phba
->pcidev
);
7578 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7579 "0462 PCI enable MSI mode success.\n");
7581 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7582 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7586 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7587 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7589 pci_disable_msi(phba
->pcidev
);
7590 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7591 "0478 MSI request_irq failed (%d)\n", rc
);
7597 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7598 * @phba: pointer to lpfc hba data structure.
7600 * This routine is invoked to disable the MSI interrupt mode to device with
7601 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7602 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7603 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7607 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7609 free_irq(phba
->pcidev
->irq
, phba
);
7610 pci_disable_msi(phba
->pcidev
);
7615 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7616 * @phba: pointer to lpfc hba data structure.
7618 * This routine is invoked to enable device interrupt and associate driver's
7619 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7620 * spec. Depends on the interrupt mode configured to the driver, the driver
7621 * will try to fallback from the configured interrupt mode to an interrupt
7622 * mode which is supported by the platform, kernel, and device in the order
7624 * MSI-X -> MSI -> IRQ.
7628 * other values - error
7631 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7633 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7636 if (cfg_mode
== 2) {
7637 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
7638 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
7640 /* Now, try to enable MSI-X interrupt mode */
7641 retval
= lpfc_sli_enable_msix(phba
);
7643 /* Indicate initialization to MSI-X mode */
7644 phba
->intr_type
= MSIX
;
7650 /* Fallback to MSI if MSI-X initialization failed */
7651 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7652 retval
= lpfc_sli_enable_msi(phba
);
7654 /* Indicate initialization to MSI mode */
7655 phba
->intr_type
= MSI
;
7660 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7661 if (phba
->intr_type
== NONE
) {
7662 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7663 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7665 /* Indicate initialization to INTx mode */
7666 phba
->intr_type
= INTx
;
7674 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
7675 * @phba: pointer to lpfc hba data structure.
7677 * This routine is invoked to disable device interrupt and disassociate the
7678 * driver's interrupt handler(s) from interrupt vector(s) to device with
7679 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
7680 * release the interrupt vector(s) for the message signaled interrupt.
7683 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
7685 /* Disable the currently initialized interrupt mode */
7686 if (phba
->intr_type
== MSIX
)
7687 lpfc_sli_disable_msix(phba
);
7688 else if (phba
->intr_type
== MSI
)
7689 lpfc_sli_disable_msi(phba
);
7690 else if (phba
->intr_type
== INTx
)
7691 free_irq(phba
->pcidev
->irq
, phba
);
7693 /* Reset interrupt management states */
7694 phba
->intr_type
= NONE
;
7695 phba
->sli
.slistat
.sli_intr
= 0;
7701 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
7702 * @phba: pointer to lpfc hba data structure.
7704 * This routine is invoked to enable the MSI-X interrupt vectors to device
7705 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
7706 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
7707 * enables either all or nothing, depending on the current availability of
7708 * PCI vector resources. The device driver is responsible for calling the
7709 * individual request_irq() to register each MSI-X vector with a interrupt
7710 * handler, which is done in this function. Note that later when device is
7711 * unloading, the driver should always call free_irq() on all MSI-X vectors
7712 * it has done request_irq() on before calling pci_disable_msix(). Failure
7713 * to do so results in a BUG_ON() and a device will be left with MSI-X
7714 * enabled and leaks its vectors.
7718 * other values - error
7721 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
7723 int vectors
, rc
, index
;
7725 /* Set up MSI-X multi-message vectors */
7726 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
7727 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
7729 /* Configure MSI-X capability structure */
7730 vectors
= phba
->sli4_hba
.cfg_eqn
;
7731 enable_msix_vectors
:
7732 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
7736 goto enable_msix_vectors
;
7738 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7739 "0484 PCI enable MSI-X failed (%d)\n", rc
);
7743 /* Log MSI-X vector assignment */
7744 for (index
= 0; index
< vectors
; index
++)
7745 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7746 "0489 MSI-X entry[%d]: vector=x%x "
7747 "message=%d\n", index
,
7748 phba
->sli4_hba
.msix_entries
[index
].vector
,
7749 phba
->sli4_hba
.msix_entries
[index
].entry
);
7751 * Assign MSI-X vectors to interrupt handlers
7754 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7755 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
7756 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7758 /* All Interrupts need to be handled by one EQ */
7759 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7760 &lpfc_sli4_intr_handler
, IRQF_SHARED
,
7761 LPFC_DRIVER_NAME
, phba
);
7763 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7764 "0485 MSI-X slow-path request_irq failed "
7769 /* The rest of the vector(s) are associated to fast-path handler(s) */
7770 for (index
= 1; index
< vectors
; index
++) {
7771 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
7772 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
7773 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7774 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
7775 LPFC_FP_DRIVER_HANDLER_NAME
,
7776 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7778 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7779 "0486 MSI-X fast-path (%d) "
7780 "request_irq failed (%d)\n", index
, rc
);
7784 phba
->sli4_hba
.msix_vec_nr
= vectors
;
7789 /* free the irq already requested */
7790 for (--index
; index
>= 1; index
--)
7791 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
7792 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7794 /* free the irq already requested */
7795 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7798 /* Unconfigure MSI-X capability structure */
7799 pci_disable_msix(phba
->pcidev
);
7804 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
7805 * @phba: pointer to lpfc hba data structure.
7807 * This routine is invoked to release the MSI-X vectors and then disable the
7808 * MSI-X interrupt mode to device with SLI-4 interface spec.
7811 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
7815 /* Free up MSI-X multi-message vectors */
7816 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7818 for (index
= 1; index
< phba
->sli4_hba
.msix_vec_nr
; index
++)
7819 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7820 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7823 pci_disable_msix(phba
->pcidev
);
7829 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
7830 * @phba: pointer to lpfc hba data structure.
7832 * This routine is invoked to enable the MSI interrupt mode to device with
7833 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
7834 * to enable the MSI vector. The device driver is responsible for calling
7835 * the request_irq() to register MSI vector with a interrupt the handler,
7836 * which is done in this function.
7840 * other values - error
7843 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
7847 rc
= pci_enable_msi(phba
->pcidev
);
7849 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7850 "0487 PCI enable MSI mode success.\n");
7852 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7853 "0488 PCI enable MSI mode failed (%d)\n", rc
);
7857 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7858 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7860 pci_disable_msi(phba
->pcidev
);
7861 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7862 "0490 MSI request_irq failed (%d)\n", rc
);
7866 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
7867 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7868 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7875 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
7876 * @phba: pointer to lpfc hba data structure.
7878 * This routine is invoked to disable the MSI interrupt mode to device with
7879 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
7880 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7881 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7885 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
7887 free_irq(phba
->pcidev
->irq
, phba
);
7888 pci_disable_msi(phba
->pcidev
);
7893 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
7894 * @phba: pointer to lpfc hba data structure.
7896 * This routine is invoked to enable device interrupt and associate driver's
7897 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
7898 * interface spec. Depends on the interrupt mode configured to the driver,
7899 * the driver will try to fallback from the configured interrupt mode to an
7900 * interrupt mode which is supported by the platform, kernel, and device in
7902 * MSI-X -> MSI -> IRQ.
7906 * other values - error
7909 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7911 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7914 if (cfg_mode
== 2) {
7915 /* Preparation before conf_msi mbox cmd */
7918 /* Now, try to enable MSI-X interrupt mode */
7919 retval
= lpfc_sli4_enable_msix(phba
);
7921 /* Indicate initialization to MSI-X mode */
7922 phba
->intr_type
= MSIX
;
7928 /* Fallback to MSI if MSI-X initialization failed */
7929 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7930 retval
= lpfc_sli4_enable_msi(phba
);
7932 /* Indicate initialization to MSI mode */
7933 phba
->intr_type
= MSI
;
7938 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7939 if (phba
->intr_type
== NONE
) {
7940 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7941 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7943 /* Indicate initialization to INTx mode */
7944 phba
->intr_type
= INTx
;
7946 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
7948 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7949 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7957 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
7958 * @phba: pointer to lpfc hba data structure.
7960 * This routine is invoked to disable device interrupt and disassociate
7961 * the driver's interrupt handler(s) from interrupt vector(s) to device
7962 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
7963 * will release the interrupt vector(s) for the message signaled interrupt.
7966 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
7968 /* Disable the currently initialized interrupt mode */
7969 if (phba
->intr_type
== MSIX
)
7970 lpfc_sli4_disable_msix(phba
);
7971 else if (phba
->intr_type
== MSI
)
7972 lpfc_sli4_disable_msi(phba
);
7973 else if (phba
->intr_type
== INTx
)
7974 free_irq(phba
->pcidev
->irq
, phba
);
7976 /* Reset interrupt management states */
7977 phba
->intr_type
= NONE
;
7978 phba
->sli
.slistat
.sli_intr
= 0;
7984 * lpfc_unset_hba - Unset SLI3 hba device initialization
7985 * @phba: pointer to lpfc hba data structure.
7987 * This routine is invoked to unset the HBA device initialization steps to
7988 * a device with SLI-3 interface spec.
7991 lpfc_unset_hba(struct lpfc_hba
*phba
)
7993 struct lpfc_vport
*vport
= phba
->pport
;
7994 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
7996 spin_lock_irq(shost
->host_lock
);
7997 vport
->load_flag
|= FC_UNLOADING
;
7998 spin_unlock_irq(shost
->host_lock
);
8000 lpfc_stop_hba_timers(phba
);
8002 phba
->pport
->work_port_events
= 0;
8004 lpfc_sli_hba_down(phba
);
8006 lpfc_sli_brdrestart(phba
);
8008 lpfc_sli_disable_intr(phba
);
8014 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8015 * @phba: pointer to lpfc hba data structure.
8017 * This routine is invoked to unset the HBA device initialization steps to
8018 * a device with SLI-4 interface spec.
8021 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
8023 struct lpfc_vport
*vport
= phba
->pport
;
8024 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8026 spin_lock_irq(shost
->host_lock
);
8027 vport
->load_flag
|= FC_UNLOADING
;
8028 spin_unlock_irq(shost
->host_lock
);
8030 phba
->pport
->work_port_events
= 0;
8032 /* Stop the SLI4 device port */
8033 lpfc_stop_port(phba
);
8035 lpfc_sli4_disable_intr(phba
);
8037 /* Reset SLI4 HBA FCoE function */
8038 lpfc_pci_function_reset(phba
);
8039 lpfc_sli4_queue_destroy(phba
);
8045 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8046 * @phba: Pointer to HBA context object.
8048 * This function is called in the SLI4 code path to wait for completion
8049 * of device's XRIs exchange busy. It will check the XRI exchange busy
8050 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8051 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8052 * I/Os every 30 seconds, log error message, and wait forever. Only when
8053 * all XRI exchange busy complete, the driver unload shall proceed with
8054 * invoking the function reset ioctl mailbox command to the CNA and the
8055 * the rest of the driver unload resource release.
8058 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8061 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8062 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8064 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8065 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8067 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8068 "2877 FCP XRI exchange busy "
8069 "wait time: %d seconds.\n",
8072 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8073 "2878 ELS XRI exchange busy "
8074 "wait time: %d seconds.\n",
8076 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8077 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8079 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8080 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8083 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8085 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8090 * lpfc_sli4_hba_unset - Unset the fcoe hba
8091 * @phba: Pointer to HBA context object.
8093 * This function is called in the SLI4 code path to reset the HBA's FCoE
8094 * function. The caller is not required to hold any lock. This routine
8095 * issues PCI function reset mailbox command to reset the FCoE function.
8096 * At the end of the function, it calls lpfc_hba_down_post function to
8097 * free any pending commands.
8100 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8103 LPFC_MBOXQ_t
*mboxq
;
8104 struct pci_dev
*pdev
= phba
->pcidev
;
8106 lpfc_stop_hba_timers(phba
);
8107 phba
->sli4_hba
.intr_enable
= 0;
8110 * Gracefully wait out the potential current outstanding asynchronous
8114 /* First, block any pending async mailbox command from posted */
8115 spin_lock_irq(&phba
->hbalock
);
8116 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8117 spin_unlock_irq(&phba
->hbalock
);
8118 /* Now, trying to wait it out if we can */
8119 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8121 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8124 /* Forcefully release the outstanding mailbox command if timed out */
8125 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8126 spin_lock_irq(&phba
->hbalock
);
8127 mboxq
= phba
->sli
.mbox_active
;
8128 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8129 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8130 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8131 phba
->sli
.mbox_active
= NULL
;
8132 spin_unlock_irq(&phba
->hbalock
);
8135 /* Abort all iocbs associated with the hba */
8136 lpfc_sli_hba_iocb_abort(phba
);
8138 /* Wait for completion of device XRI exchange busy */
8139 lpfc_sli4_xri_exchange_busy_wait(phba
);
8141 /* Disable PCI subsystem interrupt */
8142 lpfc_sli4_disable_intr(phba
);
8144 /* Disable SR-IOV if enabled */
8145 if (phba
->cfg_sriov_nr_virtfn
)
8146 pci_disable_sriov(pdev
);
8148 /* Stop kthread signal shall trigger work_done one more time */
8149 kthread_stop(phba
->worker_thread
);
8151 /* Reset SLI4 HBA FCoE function */
8152 lpfc_pci_function_reset(phba
);
8153 lpfc_sli4_queue_destroy(phba
);
8155 /* Stop the SLI4 device port */
8156 phba
->pport
->work_port_events
= 0;
8160 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8161 * @phba: Pointer to HBA context object.
8162 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8164 * This function is called in the SLI4 code path to read the port's
8165 * sli4 capabilities.
8167 * This function may be be called from any context that can block-wait
8168 * for the completion. The expectation is that this routine is called
8169 * typically from probe_one or from the online routine.
8172 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8175 struct lpfc_mqe
*mqe
;
8176 struct lpfc_pc_sli4_params
*sli4_params
;
8180 mqe
= &mboxq
->u
.mqe
;
8182 /* Read the port's SLI4 Parameters port capabilities */
8183 lpfc_pc_sli4_params(mboxq
);
8184 if (!phba
->sli4_hba
.intr_enable
)
8185 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8187 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8188 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8194 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8195 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8196 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8197 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8198 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8199 &mqe
->un
.sli4_params
);
8200 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8201 &mqe
->un
.sli4_params
);
8202 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8203 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8204 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8205 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8206 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8207 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8208 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8209 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8210 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8211 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8212 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8213 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8214 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8215 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8216 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8217 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8218 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8219 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8220 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8221 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8222 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8224 /* Make sure that sge_supp_len can be handled by the driver */
8225 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8226 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8232 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8233 * @phba: Pointer to HBA context object.
8234 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8236 * This function is called in the SLI4 code path to read the port's
8237 * sli4 capabilities.
8239 * This function may be be called from any context that can block-wait
8240 * for the completion. The expectation is that this routine is called
8241 * typically from probe_one or from the online routine.
8244 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8247 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8248 struct lpfc_pc_sli4_params
*sli4_params
;
8251 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8254 * By default, the driver assumes the SLI4 port requires RPI
8255 * header postings. The SLI4_PARAM response will correct this
8258 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8260 /* Read the port's SLI4 Config Parameters */
8261 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8262 sizeof(struct lpfc_sli4_cfg_mhdr
));
8263 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8264 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8265 length
, LPFC_SLI4_MBX_EMBED
);
8266 if (!phba
->sli4_hba
.intr_enable
)
8267 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8269 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8270 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8274 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8275 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8276 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8277 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8278 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8279 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8280 mbx_sli4_parameters
);
8281 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8282 mbx_sli4_parameters
);
8283 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8284 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8286 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8287 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8288 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8289 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8290 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8291 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8292 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8293 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8294 mbx_sli4_parameters
);
8295 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8296 mbx_sli4_parameters
);
8297 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8298 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8300 /* Make sure that sge_supp_len can be handled by the driver */
8301 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8302 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8308 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8309 * @pdev: pointer to PCI device
8310 * @pid: pointer to PCI device identifier
8312 * This routine is to be called to attach a device with SLI-3 interface spec
8313 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8314 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8315 * information of the device and driver to see if the driver state that it can
8316 * support this kind of device. If the match is successful, the driver core
8317 * invokes this routine. If this routine determines it can claim the HBA, it
8318 * does all the initialization that it needs to do to handle the HBA properly.
8321 * 0 - driver can claim the device
8322 * negative value - driver can not claim the device
8324 static int __devinit
8325 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8327 struct lpfc_hba
*phba
;
8328 struct lpfc_vport
*vport
= NULL
;
8329 struct Scsi_Host
*shost
= NULL
;
8331 uint32_t cfg_mode
, intr_mode
;
8333 /* Allocate memory for HBA structure */
8334 phba
= lpfc_hba_alloc(pdev
);
8338 /* Perform generic PCI device enabling operation */
8339 error
= lpfc_enable_pci_dev(phba
);
8343 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8344 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8346 goto out_disable_pci_dev
;
8348 /* Set up SLI-3 specific device PCI memory space */
8349 error
= lpfc_sli_pci_mem_setup(phba
);
8351 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8352 "1402 Failed to set up pci memory space.\n");
8353 goto out_disable_pci_dev
;
8356 /* Set up phase-1 common device driver resources */
8357 error
= lpfc_setup_driver_resource_phase1(phba
);
8359 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8360 "1403 Failed to set up driver resource.\n");
8361 goto out_unset_pci_mem_s3
;
8364 /* Set up SLI-3 specific device driver resources */
8365 error
= lpfc_sli_driver_resource_setup(phba
);
8367 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8368 "1404 Failed to set up driver resource.\n");
8369 goto out_unset_pci_mem_s3
;
8372 /* Initialize and populate the iocb list per host */
8373 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8375 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8376 "1405 Failed to initialize iocb list.\n");
8377 goto out_unset_driver_resource_s3
;
8380 /* Set up common device driver resources */
8381 error
= lpfc_setup_driver_resource_phase2(phba
);
8383 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8384 "1406 Failed to set up driver resource.\n");
8385 goto out_free_iocb_list
;
8388 /* Get the default values for Model Name and Description */
8389 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8391 /* Create SCSI host to the physical port */
8392 error
= lpfc_create_shost(phba
);
8394 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8395 "1407 Failed to create scsi host.\n");
8396 goto out_unset_driver_resource
;
8399 /* Configure sysfs attributes */
8400 vport
= phba
->pport
;
8401 error
= lpfc_alloc_sysfs_attr(vport
);
8403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8404 "1476 Failed to allocate sysfs attr\n");
8405 goto out_destroy_shost
;
8408 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8409 /* Now, trying to enable interrupt and bring up the device */
8410 cfg_mode
= phba
->cfg_use_msi
;
8412 /* Put device to a known state before enabling interrupt */
8413 lpfc_stop_port(phba
);
8414 /* Configure and enable interrupt */
8415 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8416 if (intr_mode
== LPFC_INTR_ERROR
) {
8417 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8418 "0431 Failed to enable interrupt.\n");
8420 goto out_free_sysfs_attr
;
8422 /* SLI-3 HBA setup */
8423 if (lpfc_sli_hba_setup(phba
)) {
8424 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8425 "1477 Failed to set up hba\n");
8427 goto out_remove_device
;
8430 /* Wait 50ms for the interrupts of previous mailbox commands */
8432 /* Check active interrupts on message signaled interrupts */
8433 if (intr_mode
== 0 ||
8434 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8435 /* Log the current active interrupt mode */
8436 phba
->intr_mode
= intr_mode
;
8437 lpfc_log_intr_mode(phba
, intr_mode
);
8440 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8441 "0447 Configure interrupt mode (%d) "
8442 "failed active interrupt test.\n",
8444 /* Disable the current interrupt mode */
8445 lpfc_sli_disable_intr(phba
);
8446 /* Try next level of interrupt mode */
8447 cfg_mode
= --intr_mode
;
8451 /* Perform post initialization setup */
8452 lpfc_post_init_setup(phba
);
8454 /* Check if there are static vports to be created. */
8455 lpfc_create_static_vport(phba
);
8460 lpfc_unset_hba(phba
);
8461 out_free_sysfs_attr
:
8462 lpfc_free_sysfs_attr(vport
);
8464 lpfc_destroy_shost(phba
);
8465 out_unset_driver_resource
:
8466 lpfc_unset_driver_resource_phase2(phba
);
8468 lpfc_free_iocb_list(phba
);
8469 out_unset_driver_resource_s3
:
8470 lpfc_sli_driver_resource_unset(phba
);
8471 out_unset_pci_mem_s3
:
8472 lpfc_sli_pci_mem_unset(phba
);
8473 out_disable_pci_dev
:
8474 lpfc_disable_pci_dev(phba
);
8476 scsi_host_put(shost
);
8478 lpfc_hba_free(phba
);
8483 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8484 * @pdev: pointer to PCI device
8486 * This routine is to be called to disattach a device with SLI-3 interface
8487 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8488 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8489 * device to be removed from the PCI subsystem properly.
8491 static void __devexit
8492 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8494 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8495 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8496 struct lpfc_vport
**vports
;
8497 struct lpfc_hba
*phba
= vport
->phba
;
8499 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8501 spin_lock_irq(&phba
->hbalock
);
8502 vport
->load_flag
|= FC_UNLOADING
;
8503 spin_unlock_irq(&phba
->hbalock
);
8505 lpfc_free_sysfs_attr(vport
);
8507 /* Release all the vports against this physical port */
8508 vports
= lpfc_create_vport_work_array(phba
);
8510 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
8511 fc_vport_terminate(vports
[i
]->fc_vport
);
8512 lpfc_destroy_vport_work_array(phba
, vports
);
8514 /* Remove FC host and then SCSI host with the physical port */
8515 fc_remove_host(shost
);
8516 scsi_remove_host(shost
);
8517 lpfc_cleanup(vport
);
8520 * Bring down the SLI Layer. This step disable all interrupts,
8521 * clears the rings, discards all mailbox commands, and resets
8525 /* HBA interrupt will be disabled after this call */
8526 lpfc_sli_hba_down(phba
);
8527 /* Stop kthread signal shall trigger work_done one more time */
8528 kthread_stop(phba
->worker_thread
);
8529 /* Final cleanup of txcmplq and reset the HBA */
8530 lpfc_sli_brdrestart(phba
);
8532 lpfc_stop_hba_timers(phba
);
8533 spin_lock_irq(&phba
->hbalock
);
8534 list_del_init(&vport
->listentry
);
8535 spin_unlock_irq(&phba
->hbalock
);
8537 lpfc_debugfs_terminate(vport
);
8539 /* Disable SR-IOV if enabled */
8540 if (phba
->cfg_sriov_nr_virtfn
)
8541 pci_disable_sriov(pdev
);
8543 /* Disable interrupt */
8544 lpfc_sli_disable_intr(phba
);
8546 pci_set_drvdata(pdev
, NULL
);
8547 scsi_host_put(shost
);
8550 * Call scsi_free before mem_free since scsi bufs are released to their
8551 * corresponding pools here.
8553 lpfc_scsi_free(phba
);
8554 lpfc_mem_free_all(phba
);
8556 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8557 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8559 /* Free resources associated with SLI2 interface */
8560 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8561 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8563 /* unmap adapter SLIM and Control Registers */
8564 iounmap(phba
->ctrl_regs_memmap_p
);
8565 iounmap(phba
->slim_memmap_p
);
8567 lpfc_hba_free(phba
);
8569 pci_release_selected_regions(pdev
, bars
);
8570 pci_disable_device(pdev
);
8574 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8575 * @pdev: pointer to PCI device
8576 * @msg: power management message
8578 * This routine is to be called from the kernel's PCI subsystem to support
8579 * system Power Management (PM) to device with SLI-3 interface spec. When
8580 * PM invokes this method, it quiesces the device by stopping the driver's
8581 * worker thread for the device, turning off device's interrupt and DMA,
8582 * and bring the device offline. Note that as the driver implements the
8583 * minimum PM requirements to a power-aware driver's PM support for the
8584 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8585 * to the suspend() method call will be treated as SUSPEND and the driver will
8586 * fully reinitialize its device during resume() method call, the driver will
8587 * set device to PCI_D3hot state in PCI config space instead of setting it
8588 * according to the @msg provided by the PM.
8591 * 0 - driver suspended the device
8595 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8597 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8598 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8600 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8601 "0473 PCI device Power Management suspend.\n");
8603 /* Bring down the device */
8604 lpfc_offline_prep(phba
);
8606 kthread_stop(phba
->worker_thread
);
8608 /* Disable interrupt from device */
8609 lpfc_sli_disable_intr(phba
);
8611 /* Save device state to PCI config space */
8612 pci_save_state(pdev
);
8613 pci_set_power_state(pdev
, PCI_D3hot
);
8619 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8620 * @pdev: pointer to PCI device
8622 * This routine is to be called from the kernel's PCI subsystem to support
8623 * system Power Management (PM) to device with SLI-3 interface spec. When PM
8624 * invokes this method, it restores the device's PCI config space state and
8625 * fully reinitializes the device and brings it online. Note that as the
8626 * driver implements the minimum PM requirements to a power-aware driver's
8627 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
8628 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
8629 * driver will fully reinitialize its device during resume() method call,
8630 * the device will be set to PCI_D0 directly in PCI config space before
8631 * restoring the state.
8634 * 0 - driver suspended the device
8638 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
8640 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8641 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8645 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8646 "0452 PCI device Power Management resume.\n");
8648 /* Restore device state from PCI config space */
8649 pci_set_power_state(pdev
, PCI_D0
);
8650 pci_restore_state(pdev
);
8653 * As the new kernel behavior of pci_restore_state() API call clears
8654 * device saved_state flag, need to save the restored state again.
8656 pci_save_state(pdev
);
8658 if (pdev
->is_busmaster
)
8659 pci_set_master(pdev
);
8661 /* Startup the kernel thread for this host adapter. */
8662 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
8663 "lpfc_worker_%d", phba
->brd_no
);
8664 if (IS_ERR(phba
->worker_thread
)) {
8665 error
= PTR_ERR(phba
->worker_thread
);
8666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8667 "0434 PM resume failed to start worker "
8668 "thread: error=x%x.\n", error
);
8672 /* Configure and enable interrupt */
8673 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8674 if (intr_mode
== LPFC_INTR_ERROR
) {
8675 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8676 "0430 PM resume Failed to enable interrupt\n");
8679 phba
->intr_mode
= intr_mode
;
8681 /* Restart HBA and bring it online */
8682 lpfc_sli_brdrestart(phba
);
8685 /* Log the current active interrupt mode */
8686 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8692 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
8693 * @phba: pointer to lpfc hba data structure.
8695 * This routine is called to prepare the SLI3 device for PCI slot recover. It
8696 * aborts all the outstanding SCSI I/Os to the pci device.
8699 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
8701 struct lpfc_sli
*psli
= &phba
->sli
;
8702 struct lpfc_sli_ring
*pring
;
8704 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8705 "2723 PCI channel I/O abort preparing for recovery\n");
8708 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
8709 * and let the SCSI mid-layer to retry them to recover.
8711 pring
= &psli
->ring
[psli
->fcp_ring
];
8712 lpfc_sli_abort_iocb_ring(phba
, pring
);
8716 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
8717 * @phba: pointer to lpfc hba data structure.
8719 * This routine is called to prepare the SLI3 device for PCI slot reset. It
8720 * disables the device interrupt and pci device, and aborts the internal FCP
8724 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
8726 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8727 "2710 PCI channel disable preparing for reset\n");
8729 /* Block any management I/Os to the device */
8730 lpfc_block_mgmt_io(phba
);
8732 /* Block all SCSI devices' I/Os on the host */
8733 lpfc_scsi_dev_block(phba
);
8735 /* stop all timers */
8736 lpfc_stop_hba_timers(phba
);
8738 /* Disable interrupt and pci device */
8739 lpfc_sli_disable_intr(phba
);
8740 pci_disable_device(phba
->pcidev
);
8742 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
8743 lpfc_sli_flush_fcp_rings(phba
);
8747 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
8748 * @phba: pointer to lpfc hba data structure.
8750 * This routine is called to prepare the SLI3 device for PCI slot permanently
8751 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
8755 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
8757 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8758 "2711 PCI channel permanent disable for failure\n");
8759 /* Block all SCSI devices' I/Os on the host */
8760 lpfc_scsi_dev_block(phba
);
8762 /* stop all timers */
8763 lpfc_stop_hba_timers(phba
);
8765 /* Clean up all driver's outstanding SCSI I/Os */
8766 lpfc_sli_flush_fcp_rings(phba
);
8770 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
8771 * @pdev: pointer to PCI device.
8772 * @state: the current PCI connection state.
8774 * This routine is called from the PCI subsystem for I/O error handling to
8775 * device with SLI-3 interface spec. This function is called by the PCI
8776 * subsystem after a PCI bus error affecting this device has been detected.
8777 * When this function is invoked, it will need to stop all the I/Os and
8778 * interrupt(s) to the device. Once that is done, it will return
8779 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
8783 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
8784 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
8785 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8787 static pci_ers_result_t
8788 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
8790 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8791 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8794 case pci_channel_io_normal
:
8795 /* Non-fatal error, prepare for recovery */
8796 lpfc_sli_prep_dev_for_recover(phba
);
8797 return PCI_ERS_RESULT_CAN_RECOVER
;
8798 case pci_channel_io_frozen
:
8799 /* Fatal error, prepare for slot reset */
8800 lpfc_sli_prep_dev_for_reset(phba
);
8801 return PCI_ERS_RESULT_NEED_RESET
;
8802 case pci_channel_io_perm_failure
:
8803 /* Permanent failure, prepare for device down */
8804 lpfc_sli_prep_dev_for_perm_failure(phba
);
8805 return PCI_ERS_RESULT_DISCONNECT
;
8807 /* Unknown state, prepare and request slot reset */
8808 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8809 "0472 Unknown PCI error state: x%x\n", state
);
8810 lpfc_sli_prep_dev_for_reset(phba
);
8811 return PCI_ERS_RESULT_NEED_RESET
;
8816 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
8817 * @pdev: pointer to PCI device.
8819 * This routine is called from the PCI subsystem for error handling to
8820 * device with SLI-3 interface spec. This is called after PCI bus has been
8821 * reset to restart the PCI card from scratch, as if from a cold-boot.
8822 * During the PCI subsystem error recovery, after driver returns
8823 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
8824 * recovery and then call this routine before calling the .resume method
8825 * to recover the device. This function will initialize the HBA device,
8826 * enable the interrupt, but it will just put the HBA to offline state
8827 * without passing any I/O traffic.
8830 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
8831 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8833 static pci_ers_result_t
8834 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
8836 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8837 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8838 struct lpfc_sli
*psli
= &phba
->sli
;
8841 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
8842 if (pci_enable_device_mem(pdev
)) {
8843 printk(KERN_ERR
"lpfc: Cannot re-enable "
8844 "PCI device after reset.\n");
8845 return PCI_ERS_RESULT_DISCONNECT
;
8848 pci_restore_state(pdev
);
8851 * As the new kernel behavior of pci_restore_state() API call clears
8852 * device saved_state flag, need to save the restored state again.
8854 pci_save_state(pdev
);
8856 if (pdev
->is_busmaster
)
8857 pci_set_master(pdev
);
8859 spin_lock_irq(&phba
->hbalock
);
8860 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
8861 spin_unlock_irq(&phba
->hbalock
);
8863 /* Configure and enable interrupt */
8864 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8865 if (intr_mode
== LPFC_INTR_ERROR
) {
8866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8867 "0427 Cannot re-enable interrupt after "
8869 return PCI_ERS_RESULT_DISCONNECT
;
8871 phba
->intr_mode
= intr_mode
;
8873 /* Take device offline, it will perform cleanup */
8874 lpfc_offline_prep(phba
);
8876 lpfc_sli_brdrestart(phba
);
8878 /* Log the current active interrupt mode */
8879 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8881 return PCI_ERS_RESULT_RECOVERED
;
8885 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
8886 * @pdev: pointer to PCI device
8888 * This routine is called from the PCI subsystem for error handling to device
8889 * with SLI-3 interface spec. It is called when kernel error recovery tells
8890 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
8891 * error recovery. After this call, traffic can start to flow from this device
8895 lpfc_io_resume_s3(struct pci_dev
*pdev
)
8897 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8898 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8900 /* Bring device online, it will be no-op for non-fatal error resume */
8903 /* Clean up Advanced Error Reporting (AER) if needed */
8904 if (phba
->hba_flag
& HBA_AER_ENABLED
)
8905 pci_cleanup_aer_uncorrect_error_status(pdev
);
8909 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
8910 * @phba: pointer to lpfc hba data structure.
8912 * returns the number of ELS/CT IOCBs to reserve
8915 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
8917 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
8919 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
8922 else if (max_xri
<= 256)
8924 else if (max_xri
<= 512)
8926 else if (max_xri
<= 1024)
8935 * lpfc_write_firmware - attempt to write a firmware image to the port
8936 * @phba: pointer to lpfc hba data structure.
8937 * @fw: pointer to firmware image returned from request_firmware.
8939 * returns the number of bytes written if write is successful.
8940 * returns a negative error value if there were errors.
8941 * returns 0 if firmware matches currently active firmware on port.
8944 lpfc_write_firmware(struct lpfc_hba
*phba
, const struct firmware
*fw
)
8947 struct lpfc_grp_hdr
*image
= (struct lpfc_grp_hdr
*)fw
->data
;
8948 struct list_head dma_buffer_list
;
8950 struct lpfc_dmabuf
*dmabuf
, *next
;
8951 uint32_t offset
= 0, temp_offset
= 0;
8953 INIT_LIST_HEAD(&dma_buffer_list
);
8954 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
8955 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
8956 LPFC_FILE_TYPE_GROUP
) ||
8957 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
8958 (be32_to_cpu(image
->size
) != fw
->size
)) {
8959 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8960 "3022 Invalid FW image found. "
8961 "Magic:%x Type:%x ID:%x\n",
8962 be32_to_cpu(image
->magic_number
),
8963 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
8964 bf_get_be32(lpfc_grp_hdr_id
, image
));
8967 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
8968 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
8969 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8970 "3023 Updating Firmware. Current Version:%s "
8972 fwrev
, image
->revision
);
8973 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
8974 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
8980 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
8984 if (!dmabuf
->virt
) {
8989 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
8991 while (offset
< fw
->size
) {
8992 temp_offset
= offset
;
8993 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
8994 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
8995 memcpy(dmabuf
->virt
,
8996 fw
->data
+ temp_offset
,
8997 fw
->size
- temp_offset
);
8998 temp_offset
= fw
->size
;
9001 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9003 temp_offset
+= SLI4_PAGE_SIZE
;
9005 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9006 (fw
->size
- offset
), &offset
);
9008 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9009 "3024 Firmware update failed. "
9017 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9018 list_del(&dmabuf
->list
);
9019 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9020 dmabuf
->virt
, dmabuf
->phys
);
9027 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9028 * @pdev: pointer to PCI device
9029 * @pid: pointer to PCI device identifier
9031 * This routine is called from the kernel's PCI subsystem to device with
9032 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9033 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9034 * information of the device and driver to see if the driver state that it
9035 * can support this kind of device. If the match is successful, the driver
9036 * core invokes this routine. If this routine determines it can claim the HBA,
9037 * it does all the initialization that it needs to do to handle the HBA
9041 * 0 - driver can claim the device
9042 * negative value - driver can not claim the device
9044 static int __devinit
9045 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9047 struct lpfc_hba
*phba
;
9048 struct lpfc_vport
*vport
= NULL
;
9049 struct Scsi_Host
*shost
= NULL
;
9051 uint32_t cfg_mode
, intr_mode
;
9053 int adjusted_fcp_eq_count
;
9054 const struct firmware
*fw
;
9055 uint8_t file_name
[16];
9057 /* Allocate memory for HBA structure */
9058 phba
= lpfc_hba_alloc(pdev
);
9062 /* Perform generic PCI device enabling operation */
9063 error
= lpfc_enable_pci_dev(phba
);
9067 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9068 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9070 goto out_disable_pci_dev
;
9072 /* Set up SLI-4 specific device PCI memory space */
9073 error
= lpfc_sli4_pci_mem_setup(phba
);
9075 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9076 "1410 Failed to set up pci memory space.\n");
9077 goto out_disable_pci_dev
;
9080 /* Set up phase-1 common device driver resources */
9081 error
= lpfc_setup_driver_resource_phase1(phba
);
9083 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9084 "1411 Failed to set up driver resource.\n");
9085 goto out_unset_pci_mem_s4
;
9088 /* Set up SLI-4 Specific device driver resources */
9089 error
= lpfc_sli4_driver_resource_setup(phba
);
9091 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9092 "1412 Failed to set up driver resource.\n");
9093 goto out_unset_pci_mem_s4
;
9096 /* Initialize and populate the iocb list per host */
9098 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9099 "2821 initialize iocb list %d.\n",
9100 phba
->cfg_iocb_cnt
*1024);
9101 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9104 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9105 "1413 Failed to initialize iocb list.\n");
9106 goto out_unset_driver_resource_s4
;
9109 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9110 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9112 /* Set up common device driver resources */
9113 error
= lpfc_setup_driver_resource_phase2(phba
);
9115 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9116 "1414 Failed to set up driver resource.\n");
9117 goto out_free_iocb_list
;
9120 /* Get the default values for Model Name and Description */
9121 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9123 /* Create SCSI host to the physical port */
9124 error
= lpfc_create_shost(phba
);
9126 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9127 "1415 Failed to create scsi host.\n");
9128 goto out_unset_driver_resource
;
9131 /* Configure sysfs attributes */
9132 vport
= phba
->pport
;
9133 error
= lpfc_alloc_sysfs_attr(vport
);
9135 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9136 "1416 Failed to allocate sysfs attr\n");
9137 goto out_destroy_shost
;
9140 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9141 /* Now, trying to enable interrupt and bring up the device */
9142 cfg_mode
= phba
->cfg_use_msi
;
9144 /* Put device to a known state before enabling interrupt */
9145 lpfc_stop_port(phba
);
9146 /* Configure and enable interrupt */
9147 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9148 if (intr_mode
== LPFC_INTR_ERROR
) {
9149 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9150 "0426 Failed to enable interrupt.\n");
9152 goto out_free_sysfs_attr
;
9154 /* Default to single EQ for non-MSI-X */
9155 if (phba
->intr_type
!= MSIX
)
9156 adjusted_fcp_eq_count
= 0;
9157 else if (phba
->sli4_hba
.msix_vec_nr
<
9158 phba
->cfg_fcp_eq_count
+ 1)
9159 adjusted_fcp_eq_count
= phba
->sli4_hba
.msix_vec_nr
- 1;
9161 adjusted_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
9162 phba
->cfg_fcp_eq_count
= adjusted_fcp_eq_count
;
9163 /* Set up SLI-4 HBA */
9164 if (lpfc_sli4_hba_setup(phba
)) {
9165 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9166 "1421 Failed to set up hba\n");
9168 goto out_disable_intr
;
9171 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9173 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9176 /* Check active interrupts received only for MSI/MSI-X */
9177 if (intr_mode
== 0 ||
9178 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9179 /* Log the current active interrupt mode */
9180 phba
->intr_mode
= intr_mode
;
9181 lpfc_log_intr_mode(phba
, intr_mode
);
9184 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9185 "0451 Configure interrupt mode (%d) "
9186 "failed active interrupt test.\n",
9188 /* Unset the previous SLI-4 HBA setup. */
9190 * TODO: Is this operation compatible with IF TYPE 2
9191 * devices? All port state is deleted and cleared.
9193 lpfc_sli4_unset_hba(phba
);
9194 /* Try next level of interrupt mode */
9195 cfg_mode
= --intr_mode
;
9198 /* Perform post initialization setup */
9199 lpfc_post_init_setup(phba
);
9201 /* check for firmware upgrade or downgrade */
9202 snprintf(file_name
, 16, "%s.grp", phba
->ModelName
);
9203 error
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9205 lpfc_write_firmware(phba
, fw
);
9206 release_firmware(fw
);
9209 /* Check if there are static vports to be created. */
9210 lpfc_create_static_vport(phba
);
9214 lpfc_sli4_disable_intr(phba
);
9215 out_free_sysfs_attr
:
9216 lpfc_free_sysfs_attr(vport
);
9218 lpfc_destroy_shost(phba
);
9219 out_unset_driver_resource
:
9220 lpfc_unset_driver_resource_phase2(phba
);
9222 lpfc_free_iocb_list(phba
);
9223 out_unset_driver_resource_s4
:
9224 lpfc_sli4_driver_resource_unset(phba
);
9225 out_unset_pci_mem_s4
:
9226 lpfc_sli4_pci_mem_unset(phba
);
9227 out_disable_pci_dev
:
9228 lpfc_disable_pci_dev(phba
);
9230 scsi_host_put(shost
);
9232 lpfc_hba_free(phba
);
9237 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9238 * @pdev: pointer to PCI device
9240 * This routine is called from the kernel's PCI subsystem to device with
9241 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9242 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9243 * device to be removed from the PCI subsystem properly.
9245 static void __devexit
9246 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9248 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9249 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9250 struct lpfc_vport
**vports
;
9251 struct lpfc_hba
*phba
= vport
->phba
;
9254 /* Mark the device unloading flag */
9255 spin_lock_irq(&phba
->hbalock
);
9256 vport
->load_flag
|= FC_UNLOADING
;
9257 spin_unlock_irq(&phba
->hbalock
);
9259 /* Free the HBA sysfs attributes */
9260 lpfc_free_sysfs_attr(vport
);
9262 /* Release all the vports against this physical port */
9263 vports
= lpfc_create_vport_work_array(phba
);
9265 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
9266 fc_vport_terminate(vports
[i
]->fc_vport
);
9267 lpfc_destroy_vport_work_array(phba
, vports
);
9269 /* Remove FC host and then SCSI host with the physical port */
9270 fc_remove_host(shost
);
9271 scsi_remove_host(shost
);
9273 /* Perform cleanup on the physical port */
9274 lpfc_cleanup(vport
);
9277 * Bring down the SLI Layer. This step disables all interrupts,
9278 * clears the rings, discards all mailbox commands, and resets
9279 * the HBA FCoE function.
9281 lpfc_debugfs_terminate(vport
);
9282 lpfc_sli4_hba_unset(phba
);
9284 spin_lock_irq(&phba
->hbalock
);
9285 list_del_init(&vport
->listentry
);
9286 spin_unlock_irq(&phba
->hbalock
);
9288 /* Perform scsi free before driver resource_unset since scsi
9289 * buffers are released to their corresponding pools here.
9291 lpfc_scsi_free(phba
);
9292 lpfc_sli4_driver_resource_unset(phba
);
9294 /* Unmap adapter Control and Doorbell registers */
9295 lpfc_sli4_pci_mem_unset(phba
);
9297 /* Release PCI resources and disable device's PCI function */
9298 scsi_host_put(shost
);
9299 lpfc_disable_pci_dev(phba
);
9301 /* Finally, free the driver's device data structure */
9302 lpfc_hba_free(phba
);
9308 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9309 * @pdev: pointer to PCI device
9310 * @msg: power management message
9312 * This routine is called from the kernel's PCI subsystem to support system
9313 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9314 * this method, it quiesces the device by stopping the driver's worker
9315 * thread for the device, turning off device's interrupt and DMA, and bring
9316 * the device offline. Note that as the driver implements the minimum PM
9317 * requirements to a power-aware driver's PM support for suspend/resume -- all
9318 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9319 * method call will be treated as SUSPEND and the driver will fully
9320 * reinitialize its device during resume() method call, the driver will set
9321 * device to PCI_D3hot state in PCI config space instead of setting it
9322 * according to the @msg provided by the PM.
9325 * 0 - driver suspended the device
9329 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9331 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9332 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9334 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9335 "2843 PCI device Power Management suspend.\n");
9337 /* Bring down the device */
9338 lpfc_offline_prep(phba
);
9340 kthread_stop(phba
->worker_thread
);
9342 /* Disable interrupt from device */
9343 lpfc_sli4_disable_intr(phba
);
9344 lpfc_sli4_queue_destroy(phba
);
9346 /* Save device state to PCI config space */
9347 pci_save_state(pdev
);
9348 pci_set_power_state(pdev
, PCI_D3hot
);
9354 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9355 * @pdev: pointer to PCI device
9357 * This routine is called from the kernel's PCI subsystem to support system
9358 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9359 * this method, it restores the device's PCI config space state and fully
9360 * reinitializes the device and brings it online. Note that as the driver
9361 * implements the minimum PM requirements to a power-aware driver's PM for
9362 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9363 * to the suspend() method call will be treated as SUSPEND and the driver
9364 * will fully reinitialize its device during resume() method call, the device
9365 * will be set to PCI_D0 directly in PCI config space before restoring the
9369 * 0 - driver suspended the device
9373 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9375 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9376 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9380 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9381 "0292 PCI device Power Management resume.\n");
9383 /* Restore device state from PCI config space */
9384 pci_set_power_state(pdev
, PCI_D0
);
9385 pci_restore_state(pdev
);
9388 * As the new kernel behavior of pci_restore_state() API call clears
9389 * device saved_state flag, need to save the restored state again.
9391 pci_save_state(pdev
);
9393 if (pdev
->is_busmaster
)
9394 pci_set_master(pdev
);
9396 /* Startup the kernel thread for this host adapter. */
9397 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9398 "lpfc_worker_%d", phba
->brd_no
);
9399 if (IS_ERR(phba
->worker_thread
)) {
9400 error
= PTR_ERR(phba
->worker_thread
);
9401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9402 "0293 PM resume failed to start worker "
9403 "thread: error=x%x.\n", error
);
9407 /* Configure and enable interrupt */
9408 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9409 if (intr_mode
== LPFC_INTR_ERROR
) {
9410 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9411 "0294 PM resume Failed to enable interrupt\n");
9414 phba
->intr_mode
= intr_mode
;
9416 /* Restart HBA and bring it online */
9417 lpfc_sli_brdrestart(phba
);
9420 /* Log the current active interrupt mode */
9421 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9427 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9428 * @phba: pointer to lpfc hba data structure.
9430 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9431 * aborts all the outstanding SCSI I/Os to the pci device.
9434 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9436 struct lpfc_sli
*psli
= &phba
->sli
;
9437 struct lpfc_sli_ring
*pring
;
9439 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9440 "2828 PCI channel I/O abort preparing for recovery\n");
9442 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9443 * and let the SCSI mid-layer to retry them to recover.
9445 pring
= &psli
->ring
[psli
->fcp_ring
];
9446 lpfc_sli_abort_iocb_ring(phba
, pring
);
9450 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9451 * @phba: pointer to lpfc hba data structure.
9453 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9454 * disables the device interrupt and pci device, and aborts the internal FCP
9458 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9460 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9461 "2826 PCI channel disable preparing for reset\n");
9463 /* Block any management I/Os to the device */
9464 lpfc_block_mgmt_io(phba
);
9466 /* Block all SCSI devices' I/Os on the host */
9467 lpfc_scsi_dev_block(phba
);
9469 /* stop all timers */
9470 lpfc_stop_hba_timers(phba
);
9472 /* Disable interrupt and pci device */
9473 lpfc_sli4_disable_intr(phba
);
9474 lpfc_sli4_queue_destroy(phba
);
9475 pci_disable_device(phba
->pcidev
);
9477 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9478 lpfc_sli_flush_fcp_rings(phba
);
9482 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9483 * @phba: pointer to lpfc hba data structure.
9485 * This routine is called to prepare the SLI4 device for PCI slot permanently
9486 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9490 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9492 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9493 "2827 PCI channel permanent disable for failure\n");
9495 /* Block all SCSI devices' I/Os on the host */
9496 lpfc_scsi_dev_block(phba
);
9498 /* stop all timers */
9499 lpfc_stop_hba_timers(phba
);
9501 /* Clean up all driver's outstanding SCSI I/Os */
9502 lpfc_sli_flush_fcp_rings(phba
);
9506 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9507 * @pdev: pointer to PCI device.
9508 * @state: the current PCI connection state.
9510 * This routine is called from the PCI subsystem for error handling to device
9511 * with SLI-4 interface spec. This function is called by the PCI subsystem
9512 * after a PCI bus error affecting this device has been detected. When this
9513 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9514 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9515 * for the PCI subsystem to perform proper recovery as desired.
9518 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9519 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9521 static pci_ers_result_t
9522 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9524 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9525 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9528 case pci_channel_io_normal
:
9529 /* Non-fatal error, prepare for recovery */
9530 lpfc_sli4_prep_dev_for_recover(phba
);
9531 return PCI_ERS_RESULT_CAN_RECOVER
;
9532 case pci_channel_io_frozen
:
9533 /* Fatal error, prepare for slot reset */
9534 lpfc_sli4_prep_dev_for_reset(phba
);
9535 return PCI_ERS_RESULT_NEED_RESET
;
9536 case pci_channel_io_perm_failure
:
9537 /* Permanent failure, prepare for device down */
9538 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9539 return PCI_ERS_RESULT_DISCONNECT
;
9541 /* Unknown state, prepare and request slot reset */
9542 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9543 "2825 Unknown PCI error state: x%x\n", state
);
9544 lpfc_sli4_prep_dev_for_reset(phba
);
9545 return PCI_ERS_RESULT_NEED_RESET
;
9550 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9551 * @pdev: pointer to PCI device.
9553 * This routine is called from the PCI subsystem for error handling to device
9554 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9555 * restart the PCI card from scratch, as if from a cold-boot. During the
9556 * PCI subsystem error recovery, after the driver returns
9557 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9558 * recovery and then call this routine before calling the .resume method to
9559 * recover the device. This function will initialize the HBA device, enable
9560 * the interrupt, but it will just put the HBA to offline state without
9561 * passing any I/O traffic.
9564 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9565 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9567 static pci_ers_result_t
9568 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9570 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9571 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9572 struct lpfc_sli
*psli
= &phba
->sli
;
9575 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9576 if (pci_enable_device_mem(pdev
)) {
9577 printk(KERN_ERR
"lpfc: Cannot re-enable "
9578 "PCI device after reset.\n");
9579 return PCI_ERS_RESULT_DISCONNECT
;
9582 pci_restore_state(pdev
);
9585 * As the new kernel behavior of pci_restore_state() API call clears
9586 * device saved_state flag, need to save the restored state again.
9588 pci_save_state(pdev
);
9590 if (pdev
->is_busmaster
)
9591 pci_set_master(pdev
);
9593 spin_lock_irq(&phba
->hbalock
);
9594 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9595 spin_unlock_irq(&phba
->hbalock
);
9597 /* Configure and enable interrupt */
9598 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9599 if (intr_mode
== LPFC_INTR_ERROR
) {
9600 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9601 "2824 Cannot re-enable interrupt after "
9603 return PCI_ERS_RESULT_DISCONNECT
;
9605 phba
->intr_mode
= intr_mode
;
9607 /* Log the current active interrupt mode */
9608 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9610 return PCI_ERS_RESULT_RECOVERED
;
9614 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
9615 * @pdev: pointer to PCI device
9617 * This routine is called from the PCI subsystem for error handling to device
9618 * with SLI-4 interface spec. It is called when kernel error recovery tells
9619 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9620 * error recovery. After this call, traffic can start to flow from this device
9624 lpfc_io_resume_s4(struct pci_dev
*pdev
)
9626 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9627 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9630 * In case of slot reset, as function reset is performed through
9631 * mailbox command which needs DMA to be enabled, this operation
9632 * has to be moved to the io resume phase. Taking device offline
9633 * will perform the necessary cleanup.
9635 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
9636 /* Perform device reset */
9637 lpfc_offline_prep(phba
);
9639 lpfc_sli_brdrestart(phba
);
9640 /* Bring the device back online */
9644 /* Clean up Advanced Error Reporting (AER) if needed */
9645 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9646 pci_cleanup_aer_uncorrect_error_status(pdev
);
9650 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
9651 * @pdev: pointer to PCI device
9652 * @pid: pointer to PCI device identifier
9654 * This routine is to be registered to the kernel's PCI subsystem. When an
9655 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
9656 * at PCI device-specific information of the device and driver to see if the
9657 * driver state that it can support this kind of device. If the match is
9658 * successful, the driver core invokes this routine. This routine dispatches
9659 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
9660 * do all the initialization that it needs to do to handle the HBA device
9664 * 0 - driver can claim the device
9665 * negative value - driver can not claim the device
9667 static int __devinit
9668 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9671 struct lpfc_sli_intf intf
;
9673 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
9676 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
9677 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
9678 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
9680 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
9686 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
9687 * @pdev: pointer to PCI device
9689 * This routine is to be registered to the kernel's PCI subsystem. When an
9690 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
9691 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
9692 * remove routine, which will perform all the necessary cleanup for the
9693 * device to be removed from the PCI subsystem properly.
9695 static void __devexit
9696 lpfc_pci_remove_one(struct pci_dev
*pdev
)
9698 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9699 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9701 switch (phba
->pci_dev_grp
) {
9702 case LPFC_PCI_DEV_LP
:
9703 lpfc_pci_remove_one_s3(pdev
);
9705 case LPFC_PCI_DEV_OC
:
9706 lpfc_pci_remove_one_s4(pdev
);
9709 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9710 "1424 Invalid PCI device group: 0x%x\n",
9718 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
9719 * @pdev: pointer to PCI device
9720 * @msg: power management message
9722 * This routine is to be registered to the kernel's PCI subsystem to support
9723 * system Power Management (PM). When PM invokes this method, it dispatches
9724 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
9725 * suspend the device.
9728 * 0 - driver suspended the device
9732 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
9734 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9735 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9738 switch (phba
->pci_dev_grp
) {
9739 case LPFC_PCI_DEV_LP
:
9740 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
9742 case LPFC_PCI_DEV_OC
:
9743 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
9746 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9747 "1425 Invalid PCI device group: 0x%x\n",
9755 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
9756 * @pdev: pointer to PCI device
9758 * This routine is to be registered to the kernel's PCI subsystem to support
9759 * system Power Management (PM). When PM invokes this method, it dispatches
9760 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
9761 * resume the device.
9764 * 0 - driver suspended the device
9768 lpfc_pci_resume_one(struct pci_dev
*pdev
)
9770 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9771 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9774 switch (phba
->pci_dev_grp
) {
9775 case LPFC_PCI_DEV_LP
:
9776 rc
= lpfc_pci_resume_one_s3(pdev
);
9778 case LPFC_PCI_DEV_OC
:
9779 rc
= lpfc_pci_resume_one_s4(pdev
);
9782 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9783 "1426 Invalid PCI device group: 0x%x\n",
9791 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
9792 * @pdev: pointer to PCI device.
9793 * @state: the current PCI connection state.
9795 * This routine is registered to the PCI subsystem for error handling. This
9796 * function is called by the PCI subsystem after a PCI bus error affecting
9797 * this device has been detected. When this routine is invoked, it dispatches
9798 * the action to the proper SLI-3 or SLI-4 device error detected handling
9799 * routine, which will perform the proper error detected operation.
9802 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9803 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9805 static pci_ers_result_t
9806 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
9808 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9809 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9810 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9812 switch (phba
->pci_dev_grp
) {
9813 case LPFC_PCI_DEV_LP
:
9814 rc
= lpfc_io_error_detected_s3(pdev
, state
);
9816 case LPFC_PCI_DEV_OC
:
9817 rc
= lpfc_io_error_detected_s4(pdev
, state
);
9820 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9821 "1427 Invalid PCI device group: 0x%x\n",
9829 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
9830 * @pdev: pointer to PCI device.
9832 * This routine is registered to the PCI subsystem for error handling. This
9833 * function is called after PCI bus has been reset to restart the PCI card
9834 * from scratch, as if from a cold-boot. When this routine is invoked, it
9835 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
9836 * routine, which will perform the proper device reset.
9839 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9840 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9842 static pci_ers_result_t
9843 lpfc_io_slot_reset(struct pci_dev
*pdev
)
9845 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9846 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9847 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9849 switch (phba
->pci_dev_grp
) {
9850 case LPFC_PCI_DEV_LP
:
9851 rc
= lpfc_io_slot_reset_s3(pdev
);
9853 case LPFC_PCI_DEV_OC
:
9854 rc
= lpfc_io_slot_reset_s4(pdev
);
9857 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9858 "1428 Invalid PCI device group: 0x%x\n",
9866 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
9867 * @pdev: pointer to PCI device
9869 * This routine is registered to the PCI subsystem for error handling. It
9870 * is called when kernel error recovery tells the lpfc driver that it is
9871 * OK to resume normal PCI operation after PCI bus error recovery. When
9872 * this routine is invoked, it dispatches the action to the proper SLI-3
9873 * or SLI-4 device io_resume routine, which will resume the device operation.
9876 lpfc_io_resume(struct pci_dev
*pdev
)
9878 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9879 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9881 switch (phba
->pci_dev_grp
) {
9882 case LPFC_PCI_DEV_LP
:
9883 lpfc_io_resume_s3(pdev
);
9885 case LPFC_PCI_DEV_OC
:
9886 lpfc_io_resume_s4(pdev
);
9889 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9890 "1429 Invalid PCI device group: 0x%x\n",
9897 static struct pci_device_id lpfc_id_table
[] = {
9898 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
9899 PCI_ANY_ID
, PCI_ANY_ID
, },
9900 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
9901 PCI_ANY_ID
, PCI_ANY_ID
, },
9902 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
9903 PCI_ANY_ID
, PCI_ANY_ID
, },
9904 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
9905 PCI_ANY_ID
, PCI_ANY_ID
, },
9906 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
9907 PCI_ANY_ID
, PCI_ANY_ID
, },
9908 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
9909 PCI_ANY_ID
, PCI_ANY_ID
, },
9910 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
9911 PCI_ANY_ID
, PCI_ANY_ID
, },
9912 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
9913 PCI_ANY_ID
, PCI_ANY_ID
, },
9914 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
9915 PCI_ANY_ID
, PCI_ANY_ID
, },
9916 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
9917 PCI_ANY_ID
, PCI_ANY_ID
, },
9918 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
9919 PCI_ANY_ID
, PCI_ANY_ID
, },
9920 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
9921 PCI_ANY_ID
, PCI_ANY_ID
, },
9922 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
9923 PCI_ANY_ID
, PCI_ANY_ID
, },
9924 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
9925 PCI_ANY_ID
, PCI_ANY_ID
, },
9926 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
9927 PCI_ANY_ID
, PCI_ANY_ID
, },
9928 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
9929 PCI_ANY_ID
, PCI_ANY_ID
, },
9930 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
9931 PCI_ANY_ID
, PCI_ANY_ID
, },
9932 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
9933 PCI_ANY_ID
, PCI_ANY_ID
, },
9934 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
9935 PCI_ANY_ID
, PCI_ANY_ID
, },
9936 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
9937 PCI_ANY_ID
, PCI_ANY_ID
, },
9938 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
9939 PCI_ANY_ID
, PCI_ANY_ID
, },
9940 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
9941 PCI_ANY_ID
, PCI_ANY_ID
, },
9942 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
9943 PCI_ANY_ID
, PCI_ANY_ID
, },
9944 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
9945 PCI_ANY_ID
, PCI_ANY_ID
, },
9946 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
9947 PCI_ANY_ID
, PCI_ANY_ID
, },
9948 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
9949 PCI_ANY_ID
, PCI_ANY_ID
, },
9950 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
9951 PCI_ANY_ID
, PCI_ANY_ID
, },
9952 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
9953 PCI_ANY_ID
, PCI_ANY_ID
, },
9954 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
9955 PCI_ANY_ID
, PCI_ANY_ID
, },
9956 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
9957 PCI_ANY_ID
, PCI_ANY_ID
, },
9958 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
9959 PCI_ANY_ID
, PCI_ANY_ID
, },
9960 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
9961 PCI_ANY_ID
, PCI_ANY_ID
, },
9962 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
9963 PCI_ANY_ID
, PCI_ANY_ID
, },
9964 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
9965 PCI_ANY_ID
, PCI_ANY_ID
, },
9966 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
9967 PCI_ANY_ID
, PCI_ANY_ID
, },
9968 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
9969 PCI_ANY_ID
, PCI_ANY_ID
, },
9970 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
9971 PCI_ANY_ID
, PCI_ANY_ID
, },
9972 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
9973 PCI_ANY_ID
, PCI_ANY_ID
, },
9974 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
9975 PCI_ANY_ID
, PCI_ANY_ID
, },
9976 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
9977 PCI_ANY_ID
, PCI_ANY_ID
, },
9978 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
9979 PCI_ANY_ID
, PCI_ANY_ID
, },
9980 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
9981 PCI_ANY_ID
, PCI_ANY_ID
, },
9982 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
9983 PCI_ANY_ID
, PCI_ANY_ID
, },
9984 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
9985 PCI_ANY_ID
, PCI_ANY_ID
, },
9986 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
9987 PCI_ANY_ID
, PCI_ANY_ID
, },
9991 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
9993 static struct pci_error_handlers lpfc_err_handler
= {
9994 .error_detected
= lpfc_io_error_detected
,
9995 .slot_reset
= lpfc_io_slot_reset
,
9996 .resume
= lpfc_io_resume
,
9999 static struct pci_driver lpfc_driver
= {
10000 .name
= LPFC_DRIVER_NAME
,
10001 .id_table
= lpfc_id_table
,
10002 .probe
= lpfc_pci_probe_one
,
10003 .remove
= __devexit_p(lpfc_pci_remove_one
),
10004 .suspend
= lpfc_pci_suspend_one
,
10005 .resume
= lpfc_pci_resume_one
,
10006 .err_handler
= &lpfc_err_handler
,
10010 * lpfc_init - lpfc module initialization routine
10012 * This routine is to be invoked when the lpfc module is loaded into the
10013 * kernel. The special kernel macro module_init() is used to indicate the
10014 * role of this routine to the kernel as lpfc module entry point.
10018 * -ENOMEM - FC attach transport failed
10019 * all others - failed
10026 printk(LPFC_MODULE_DESC
"\n");
10027 printk(LPFC_COPYRIGHT
"\n");
10029 if (lpfc_enable_npiv
) {
10030 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10031 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10033 lpfc_transport_template
=
10034 fc_attach_transport(&lpfc_transport_functions
);
10035 if (lpfc_transport_template
== NULL
)
10037 if (lpfc_enable_npiv
) {
10038 lpfc_vport_transport_template
=
10039 fc_attach_transport(&lpfc_vport_transport_functions
);
10040 if (lpfc_vport_transport_template
== NULL
) {
10041 fc_release_transport(lpfc_transport_template
);
10045 error
= pci_register_driver(&lpfc_driver
);
10047 fc_release_transport(lpfc_transport_template
);
10048 if (lpfc_enable_npiv
)
10049 fc_release_transport(lpfc_vport_transport_template
);
10056 * lpfc_exit - lpfc module removal routine
10058 * This routine is invoked when the lpfc module is removed from the kernel.
10059 * The special kernel macro module_exit() is used to indicate the role of
10060 * this routine to the kernel as lpfc module exit point.
10065 pci_unregister_driver(&lpfc_driver
);
10066 fc_release_transport(lpfc_transport_template
);
10067 if (lpfc_enable_npiv
)
10068 fc_release_transport(lpfc_vport_transport_template
);
10069 if (_dump_buf_data
) {
10070 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10071 "_dump_buf_data at 0x%p\n",
10072 (1L << _dump_buf_data_order
), _dump_buf_data
);
10073 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10076 if (_dump_buf_dif
) {
10077 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10078 "_dump_buf_dif at 0x%p\n",
10079 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10080 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10084 module_init(lpfc_init
);
10085 module_exit(lpfc_exit
);
10086 MODULE_LICENSE("GPL");
10087 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10088 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10089 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);