1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <linux/blkdev.h>
25 #include <linux/delay.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/idr.h>
28 #include <linux/interrupt.h>
29 #include <linux/module.h>
30 #include <linux/kthread.h>
31 #include <linux/pci.h>
32 #include <linux/spinlock.h>
33 #include <linux/ctype.h>
34 #include <linux/aer.h>
35 #include <linux/slab.h>
36 #include <linux/firmware.h>
37 #include <linux/miscdevice.h>
38 #include <linux/percpu.h>
39 #include <linux/msi.h>
41 #include <scsi/scsi.h>
42 #include <scsi/scsi_device.h>
43 #include <scsi/scsi_host.h>
44 #include <scsi/scsi_transport_fc.h>
45 #include <scsi/scsi_tcq.h>
46 #include <scsi/fc/fc_fs.h>
48 #include <linux/nvme-fc-driver.h>
53 #include "lpfc_sli4.h"
55 #include "lpfc_disc.h"
57 #include "lpfc_scsi.h"
58 #include "lpfc_nvme.h"
59 #include "lpfc_nvmet.h"
60 #include "lpfc_logmsg.h"
61 #include "lpfc_crtn.h"
62 #include "lpfc_vport.h"
63 #include "lpfc_version.h"
67 unsigned long _dump_buf_data_order
;
69 unsigned long _dump_buf_dif_order
;
70 spinlock_t _dump_buf_lock
;
72 /* Used when mapping IRQ vectors in a driver centric manner */
73 uint16_t *lpfc_used_cpu
;
74 uint32_t lpfc_present_cpu
;
76 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
77 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
78 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
79 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
80 static int lpfc_setup_endian_order(struct lpfc_hba
*);
81 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
82 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
83 static void lpfc_free_nvmet_sgl_list(struct lpfc_hba
*);
84 static void lpfc_init_sgl_list(struct lpfc_hba
*);
85 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
86 static void lpfc_free_active_sgl(struct lpfc_hba
*);
87 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
88 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
89 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
90 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
91 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
92 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
93 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
94 static void lpfc_sli4_oas_verify(struct lpfc_hba
*phba
);
96 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
97 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
98 static DEFINE_IDR(lpfc_hba_index
);
99 #define LPFC_NVMET_BUF_POST 254
102 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
103 * @phba: pointer to lpfc hba data structure.
105 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
106 * mailbox command. It retrieves the revision information from the HBA and
107 * collects the Vital Product Data (VPD) about the HBA for preparing the
108 * configuration of the HBA.
112 * -ERESTART - requests the SLI layer to reset the HBA and try again.
113 * Any other value - indicates an error.
116 lpfc_config_port_prep(struct lpfc_hba
*phba
)
118 lpfc_vpd_t
*vp
= &phba
->vpd
;
122 char *lpfc_vpd_data
= NULL
;
124 static char licensed
[56] =
125 "key unlock for use with gnu public licensed code only\0";
126 static int init_key
= 1;
128 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
130 phba
->link_state
= LPFC_HBA_ERROR
;
135 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
137 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
139 uint32_t *ptext
= (uint32_t *) licensed
;
141 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
142 *ptext
= cpu_to_be32(*ptext
);
146 lpfc_read_nv(phba
, pmb
);
147 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
148 sizeof (mb
->un
.varRDnvp
.rsvd3
));
149 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
152 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
154 if (rc
!= MBX_SUCCESS
) {
155 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
156 "0324 Config Port initialization "
157 "error, mbxCmd x%x READ_NVPARM, "
159 mb
->mbxCommand
, mb
->mbxStatus
);
160 mempool_free(pmb
, phba
->mbox_mem_pool
);
163 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
165 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
169 phba
->sli3_options
= 0x0;
171 /* Setup and issue mailbox READ REV command */
172 lpfc_read_rev(phba
, pmb
);
173 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
174 if (rc
!= MBX_SUCCESS
) {
175 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
176 "0439 Adapter failed to init, mbxCmd x%x "
177 "READ_REV, mbxStatus x%x\n",
178 mb
->mbxCommand
, mb
->mbxStatus
);
179 mempool_free( pmb
, phba
->mbox_mem_pool
);
185 * The value of rr must be 1 since the driver set the cv field to 1.
186 * This setting requires the FW to set all revision fields.
188 if (mb
->un
.varRdRev
.rr
== 0) {
190 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
191 "0440 Adapter failed to init, READ_REV has "
192 "missing revision information.\n");
193 mempool_free(pmb
, phba
->mbox_mem_pool
);
197 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
198 mempool_free(pmb
, phba
->mbox_mem_pool
);
202 /* Save information as VPD data */
204 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
205 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
206 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
207 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
208 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
209 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
210 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
211 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
212 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
213 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
214 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
215 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
216 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
217 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
218 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
220 /* If the sli feature level is less then 9, we must
221 * tear down all RPIs and VPIs on link down if NPIV
224 if (vp
->rev
.feaLevelHigh
< 9)
225 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
227 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
228 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
229 sizeof (phba
->RandomData
));
231 /* Get adapter VPD information */
232 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
236 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
237 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
239 if (rc
!= MBX_SUCCESS
) {
240 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
241 "0441 VPD not present on adapter, "
242 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
243 mb
->mbxCommand
, mb
->mbxStatus
);
244 mb
->un
.varDmp
.word_cnt
= 0;
246 /* dump mem may return a zero when finished or we got a
247 * mailbox error, either way we are done.
249 if (mb
->un
.varDmp
.word_cnt
== 0)
251 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
252 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
253 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
254 lpfc_vpd_data
+ offset
,
255 mb
->un
.varDmp
.word_cnt
);
256 offset
+= mb
->un
.varDmp
.word_cnt
;
257 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
258 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
260 kfree(lpfc_vpd_data
);
262 mempool_free(pmb
, phba
->mbox_mem_pool
);
267 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
268 * @phba: pointer to lpfc hba data structure.
269 * @pmboxq: pointer to the driver internal queue element for mailbox command.
271 * This is the completion handler for driver's configuring asynchronous event
272 * mailbox command to the device. If the mailbox command returns successfully,
273 * it will set internal async event support flag to 1; otherwise, it will
274 * set internal async event support flag to 0.
277 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
279 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
280 phba
->temp_sensor_support
= 1;
282 phba
->temp_sensor_support
= 0;
283 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
288 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
289 * @phba: pointer to lpfc hba data structure.
290 * @pmboxq: pointer to the driver internal queue element for mailbox command.
292 * This is the completion handler for dump mailbox command for getting
293 * wake up parameters. When this command complete, the response contain
294 * Option rom version of the HBA. This function translate the version number
295 * into a human readable string and store it in OptionROMVersion.
298 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
301 uint32_t prog_id_word
;
303 /* character array used for decoding dist type. */
304 char dist_char
[] = "nabx";
306 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
307 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
311 prg
= (struct prog_id
*) &prog_id_word
;
313 /* word 7 contain option rom version */
314 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
316 /* Decode the Option rom version word to a readable string */
318 dist
= dist_char
[prg
->dist
];
320 if ((prg
->dist
== 3) && (prg
->num
== 0))
321 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d",
322 prg
->ver
, prg
->rev
, prg
->lev
);
324 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d%c%d",
325 prg
->ver
, prg
->rev
, prg
->lev
,
327 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
332 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
333 * cfg_soft_wwnn, cfg_soft_wwpn
334 * @vport: pointer to lpfc vport data structure.
341 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
343 uint8_t vvvl
= vport
->fc_sparam
.cmn
.valid_vendor_ver_level
;
344 u32
*fawwpn_key
= (u32
*)&vport
->fc_sparam
.un
.vendorVersion
[0];
346 /* If the soft name exists then update it using the service params */
347 if (vport
->phba
->cfg_soft_wwnn
)
348 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
349 vport
->fc_sparam
.nodeName
.u
.wwn
);
350 if (vport
->phba
->cfg_soft_wwpn
)
351 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
352 vport
->fc_sparam
.portName
.u
.wwn
);
355 * If the name is empty or there exists a soft name
356 * then copy the service params name, otherwise use the fc name
358 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
359 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
360 sizeof(struct lpfc_name
));
362 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
363 sizeof(struct lpfc_name
));
366 * If the port name has changed, then set the Param changes flag
369 if (vport
->fc_portname
.u
.wwn
[0] != 0 &&
370 memcmp(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
371 sizeof(struct lpfc_name
)))
372 vport
->vport_flag
|= FAWWPN_PARAM_CHG
;
374 if (vport
->fc_portname
.u
.wwn
[0] == 0 ||
375 vport
->phba
->cfg_soft_wwpn
||
376 (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
) ||
377 vport
->vport_flag
& FAWWPN_SET
) {
378 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
379 sizeof(struct lpfc_name
));
380 vport
->vport_flag
&= ~FAWWPN_SET
;
381 if (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
)
382 vport
->vport_flag
|= FAWWPN_SET
;
385 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
386 sizeof(struct lpfc_name
));
390 * lpfc_config_port_post - Perform lpfc initialization after config port
391 * @phba: pointer to lpfc hba data structure.
393 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
394 * command call. It performs all internal resource and state setups on the
395 * port: post IOCB buffers, enable appropriate host interrupt attentions,
396 * ELS ring timers, etc.
400 * Any other value - error.
403 lpfc_config_port_post(struct lpfc_hba
*phba
)
405 struct lpfc_vport
*vport
= phba
->pport
;
406 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
409 struct lpfc_dmabuf
*mp
;
410 struct lpfc_sli
*psli
= &phba
->sli
;
411 uint32_t status
, timeout
;
415 spin_lock_irq(&phba
->hbalock
);
417 * If the Config port completed correctly the HBA is not
418 * over heated any more.
420 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
421 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
422 spin_unlock_irq(&phba
->hbalock
);
424 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
426 phba
->link_state
= LPFC_HBA_ERROR
;
431 /* Get login parameters for NID. */
432 rc
= lpfc_read_sparam(phba
, pmb
, 0);
434 mempool_free(pmb
, phba
->mbox_mem_pool
);
439 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
440 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
441 "0448 Adapter failed init, mbxCmd x%x "
442 "READ_SPARM mbxStatus x%x\n",
443 mb
->mbxCommand
, mb
->mbxStatus
);
444 phba
->link_state
= LPFC_HBA_ERROR
;
445 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
446 mempool_free(pmb
, phba
->mbox_mem_pool
);
447 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
452 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
454 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
455 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
457 pmb
->context1
= NULL
;
458 lpfc_update_vport_wwn(vport
);
460 /* Update the fc_host data structures with new wwn. */
461 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
462 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
463 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
465 /* If no serial number in VPD data, use low 6 bytes of WWNN */
466 /* This should be consolidated into parse_vpd ? - mr */
467 if (phba
->SerialNumber
[0] == 0) {
470 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
471 for (i
= 0; i
< 12; i
++) {
473 j
= ((status
& 0xf0) >> 4);
475 phba
->SerialNumber
[i
] =
476 (char)((uint8_t) 0x30 + (uint8_t) j
);
478 phba
->SerialNumber
[i
] =
479 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
483 phba
->SerialNumber
[i
] =
484 (char)((uint8_t) 0x30 + (uint8_t) j
);
486 phba
->SerialNumber
[i
] =
487 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
491 lpfc_read_config(phba
, pmb
);
493 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
494 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
495 "0453 Adapter failed to init, mbxCmd x%x "
496 "READ_CONFIG, mbxStatus x%x\n",
497 mb
->mbxCommand
, mb
->mbxStatus
);
498 phba
->link_state
= LPFC_HBA_ERROR
;
499 mempool_free( pmb
, phba
->mbox_mem_pool
);
503 /* Check if the port is disabled */
504 lpfc_sli_read_link_ste(phba
);
506 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
507 i
= (mb
->un
.varRdConfig
.max_xri
+ 1);
508 if (phba
->cfg_hba_queue_depth
> i
) {
509 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
510 "3359 HBA queue depth changed from %d to %d\n",
511 phba
->cfg_hba_queue_depth
, i
);
512 phba
->cfg_hba_queue_depth
= i
;
515 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
516 i
= (mb
->un
.varRdConfig
.max_xri
>> 3);
517 if (phba
->pport
->cfg_lun_queue_depth
> i
) {
518 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
519 "3360 LUN queue depth changed from %d to %d\n",
520 phba
->pport
->cfg_lun_queue_depth
, i
);
521 phba
->pport
->cfg_lun_queue_depth
= i
;
524 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
526 /* Get the default values for Model Name and Description */
527 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
529 phba
->link_state
= LPFC_LINK_DOWN
;
531 /* Only process IOCBs on ELS ring till hba_state is READY */
532 if (psli
->sli3_ring
[LPFC_EXTRA_RING
].sli
.sli3
.cmdringaddr
)
533 psli
->sli3_ring
[LPFC_EXTRA_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
534 if (psli
->sli3_ring
[LPFC_FCP_RING
].sli
.sli3
.cmdringaddr
)
535 psli
->sli3_ring
[LPFC_FCP_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
537 /* Post receive buffers for desired rings */
538 if (phba
->sli_rev
!= 3)
539 lpfc_post_rcv_buf(phba
);
542 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
544 if (phba
->intr_type
== MSIX
) {
545 rc
= lpfc_config_msi(phba
, pmb
);
547 mempool_free(pmb
, phba
->mbox_mem_pool
);
550 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
551 if (rc
!= MBX_SUCCESS
) {
552 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
553 "0352 Config MSI mailbox command "
554 "failed, mbxCmd x%x, mbxStatus x%x\n",
555 pmb
->u
.mb
.mbxCommand
,
556 pmb
->u
.mb
.mbxStatus
);
557 mempool_free(pmb
, phba
->mbox_mem_pool
);
562 spin_lock_irq(&phba
->hbalock
);
563 /* Initialize ERATT handling flag */
564 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
566 /* Enable appropriate host interrupts */
567 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
568 spin_unlock_irq(&phba
->hbalock
);
571 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
572 if (psli
->num_rings
> 0)
573 status
|= HC_R0INT_ENA
;
574 if (psli
->num_rings
> 1)
575 status
|= HC_R1INT_ENA
;
576 if (psli
->num_rings
> 2)
577 status
|= HC_R2INT_ENA
;
578 if (psli
->num_rings
> 3)
579 status
|= HC_R3INT_ENA
;
581 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
582 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
583 status
&= ~(HC_R0INT_ENA
);
585 writel(status
, phba
->HCregaddr
);
586 readl(phba
->HCregaddr
); /* flush */
587 spin_unlock_irq(&phba
->hbalock
);
589 /* Set up ring-0 (ELS) timer */
590 timeout
= phba
->fc_ratov
* 2;
591 mod_timer(&vport
->els_tmofunc
,
592 jiffies
+ msecs_to_jiffies(1000 * timeout
));
593 /* Set up heart beat (HB) timer */
594 mod_timer(&phba
->hb_tmofunc
,
595 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
596 phba
->hb_outstanding
= 0;
597 phba
->last_completion_time
= jiffies
;
598 /* Set up error attention (ERATT) polling timer */
599 mod_timer(&phba
->eratt_poll
,
600 jiffies
+ msecs_to_jiffies(1000 * phba
->eratt_poll_interval
));
602 if (phba
->hba_flag
& LINK_DISABLED
) {
603 lpfc_printf_log(phba
,
605 "2598 Adapter Link is disabled.\n");
606 lpfc_down_link(phba
, pmb
);
607 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
608 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
609 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
610 lpfc_printf_log(phba
,
612 "2599 Adapter failed to issue DOWN_LINK"
613 " mbox command rc 0x%x\n", rc
);
615 mempool_free(pmb
, phba
->mbox_mem_pool
);
618 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
619 mempool_free(pmb
, phba
->mbox_mem_pool
);
620 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
624 /* MBOX buffer will be freed in mbox compl */
625 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
627 phba
->link_state
= LPFC_HBA_ERROR
;
631 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
632 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
633 pmb
->vport
= phba
->pport
;
634 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
636 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
637 lpfc_printf_log(phba
,
640 "0456 Adapter failed to issue "
641 "ASYNCEVT_ENABLE mbox status x%x\n",
643 mempool_free(pmb
, phba
->mbox_mem_pool
);
646 /* Get Option rom version */
647 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
649 phba
->link_state
= LPFC_HBA_ERROR
;
653 lpfc_dump_wakeup_param(phba
, pmb
);
654 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
655 pmb
->vport
= phba
->pport
;
656 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
658 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
659 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
660 "to get Option ROM version status x%x\n", rc
);
661 mempool_free(pmb
, phba
->mbox_mem_pool
);
668 * lpfc_hba_init_link - Initialize the FC link
669 * @phba: pointer to lpfc hba data structure.
670 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
672 * This routine will issue the INIT_LINK mailbox command call.
673 * It is available to other drivers through the lpfc_hba data
674 * structure for use as a delayed link up mechanism with the
675 * module parameter lpfc_suppress_link_up.
679 * Any other value - error
682 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
684 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
688 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
689 * @phba: pointer to lpfc hba data structure.
690 * @fc_topology: desired fc topology.
691 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
693 * This routine will issue the INIT_LINK mailbox command call.
694 * It is available to other drivers through the lpfc_hba data
695 * structure for use as a delayed link up mechanism with the
696 * module parameter lpfc_suppress_link_up.
700 * Any other value - error
703 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
706 struct lpfc_vport
*vport
= phba
->pport
;
711 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
713 phba
->link_state
= LPFC_HBA_ERROR
;
719 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
720 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
721 !(phba
->lmt
& LMT_1Gb
)) ||
722 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
723 !(phba
->lmt
& LMT_2Gb
)) ||
724 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
725 !(phba
->lmt
& LMT_4Gb
)) ||
726 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
727 !(phba
->lmt
& LMT_8Gb
)) ||
728 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
729 !(phba
->lmt
& LMT_10Gb
)) ||
730 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
731 !(phba
->lmt
& LMT_16Gb
)) ||
732 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_32G
) &&
733 !(phba
->lmt
& LMT_32Gb
))) {
734 /* Reset link speed to auto */
735 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
736 "1302 Invalid speed for this board:%d "
737 "Reset link speed to auto.\n",
738 phba
->cfg_link_speed
);
739 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
741 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
742 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
743 if (phba
->sli_rev
< LPFC_SLI_REV4
)
744 lpfc_set_loopback_flag(phba
);
745 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
746 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
747 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
748 "0498 Adapter failed to init, mbxCmd x%x "
749 "INIT_LINK, mbxStatus x%x\n",
750 mb
->mbxCommand
, mb
->mbxStatus
);
751 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
752 /* Clear all interrupt enable conditions */
753 writel(0, phba
->HCregaddr
);
754 readl(phba
->HCregaddr
); /* flush */
755 /* Clear all pending interrupts */
756 writel(0xffffffff, phba
->HAregaddr
);
757 readl(phba
->HAregaddr
); /* flush */
759 phba
->link_state
= LPFC_HBA_ERROR
;
760 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
761 mempool_free(pmb
, phba
->mbox_mem_pool
);
764 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
765 if (flag
== MBX_POLL
)
766 mempool_free(pmb
, phba
->mbox_mem_pool
);
772 * lpfc_hba_down_link - this routine downs the FC link
773 * @phba: pointer to lpfc hba data structure.
774 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
776 * This routine will issue the DOWN_LINK mailbox command call.
777 * It is available to other drivers through the lpfc_hba data
778 * structure for use to stop the link.
782 * Any other value - error
785 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
790 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
792 phba
->link_state
= LPFC_HBA_ERROR
;
796 lpfc_printf_log(phba
,
798 "0491 Adapter Link is disabled.\n");
799 lpfc_down_link(phba
, pmb
);
800 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
801 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
802 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
803 lpfc_printf_log(phba
,
805 "2522 Adapter failed to issue DOWN_LINK"
806 " mbox command rc 0x%x\n", rc
);
808 mempool_free(pmb
, phba
->mbox_mem_pool
);
811 if (flag
== MBX_POLL
)
812 mempool_free(pmb
, phba
->mbox_mem_pool
);
818 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
819 * @phba: pointer to lpfc HBA data structure.
821 * This routine will do LPFC uninitialization before the HBA is reset when
822 * bringing down the SLI Layer.
826 * Any other value - error.
829 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
831 struct lpfc_vport
**vports
;
834 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
835 /* Disable interrupts */
836 writel(0, phba
->HCregaddr
);
837 readl(phba
->HCregaddr
); /* flush */
840 if (phba
->pport
->load_flag
& FC_UNLOADING
)
841 lpfc_cleanup_discovery_resources(phba
->pport
);
843 vports
= lpfc_create_vport_work_array(phba
);
845 for (i
= 0; i
<= phba
->max_vports
&&
846 vports
[i
] != NULL
; i
++)
847 lpfc_cleanup_discovery_resources(vports
[i
]);
848 lpfc_destroy_vport_work_array(phba
, vports
);
854 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
855 * rspiocb which got deferred
857 * @phba: pointer to lpfc HBA data structure.
859 * This routine will cleanup completed slow path events after HBA is reset
860 * when bringing down the SLI Layer.
867 lpfc_sli4_free_sp_events(struct lpfc_hba
*phba
)
869 struct lpfc_iocbq
*rspiocbq
;
870 struct hbq_dmabuf
*dmabuf
;
871 struct lpfc_cq_event
*cq_event
;
873 spin_lock_irq(&phba
->hbalock
);
874 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
875 spin_unlock_irq(&phba
->hbalock
);
877 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
878 /* Get the response iocb from the head of work queue */
879 spin_lock_irq(&phba
->hbalock
);
880 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
881 cq_event
, struct lpfc_cq_event
, list
);
882 spin_unlock_irq(&phba
->hbalock
);
884 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
885 case CQE_CODE_COMPL_WQE
:
886 rspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
888 lpfc_sli_release_iocbq(phba
, rspiocbq
);
890 case CQE_CODE_RECEIVE
:
891 case CQE_CODE_RECEIVE_V1
:
892 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
894 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
900 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
901 * @phba: pointer to lpfc HBA data structure.
903 * This routine will cleanup posted ELS buffers after the HBA is reset
904 * when bringing down the SLI Layer.
911 lpfc_hba_free_post_buf(struct lpfc_hba
*phba
)
913 struct lpfc_sli
*psli
= &phba
->sli
;
914 struct lpfc_sli_ring
*pring
;
915 struct lpfc_dmabuf
*mp
, *next_mp
;
919 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
920 lpfc_sli_hbqbuf_free_all(phba
);
922 /* Cleanup preposted buffers on the ELS ring */
923 pring
= &psli
->sli3_ring
[LPFC_ELS_RING
];
924 spin_lock_irq(&phba
->hbalock
);
925 list_splice_init(&pring
->postbufq
, &buflist
);
926 spin_unlock_irq(&phba
->hbalock
);
929 list_for_each_entry_safe(mp
, next_mp
, &buflist
, list
) {
932 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
936 spin_lock_irq(&phba
->hbalock
);
937 pring
->postbufq_cnt
-= count
;
938 spin_unlock_irq(&phba
->hbalock
);
943 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
944 * @phba: pointer to lpfc HBA data structure.
946 * This routine will cleanup the txcmplq after the HBA is reset when bringing
947 * down the SLI Layer.
953 lpfc_hba_clean_txcmplq(struct lpfc_hba
*phba
)
955 struct lpfc_sli
*psli
= &phba
->sli
;
956 struct lpfc_queue
*qp
= NULL
;
957 struct lpfc_sli_ring
*pring
;
958 LIST_HEAD(completions
);
961 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
962 for (i
= 0; i
< psli
->num_rings
; i
++) {
963 pring
= &psli
->sli3_ring
[i
];
964 spin_lock_irq(&phba
->hbalock
);
965 /* At this point in time the HBA is either reset or DOA
966 * Nothing should be on txcmplq as it will
969 list_splice_init(&pring
->txcmplq
, &completions
);
970 pring
->txcmplq_cnt
= 0;
971 spin_unlock_irq(&phba
->hbalock
);
973 lpfc_sli_abort_iocb_ring(phba
, pring
);
975 /* Cancel all the IOCBs from the completions list */
976 lpfc_sli_cancel_iocbs(phba
, &completions
,
977 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
980 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
984 spin_lock_irq(&pring
->ring_lock
);
985 list_splice_init(&pring
->txcmplq
, &completions
);
986 pring
->txcmplq_cnt
= 0;
987 spin_unlock_irq(&pring
->ring_lock
);
988 lpfc_sli_abort_iocb_ring(phba
, pring
);
990 /* Cancel all the IOCBs from the completions list */
991 lpfc_sli_cancel_iocbs(phba
, &completions
,
992 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
996 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
998 * @phba: pointer to lpfc HBA data structure.
1000 * This routine will do uninitialization after the HBA is reset when bring
1001 * down the SLI Layer.
1005 * Any other value - error.
1008 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
1010 lpfc_hba_free_post_buf(phba
);
1011 lpfc_hba_clean_txcmplq(phba
);
1016 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
1017 * @phba: pointer to lpfc HBA data structure.
1019 * This routine will do uninitialization after the HBA is reset when bring
1020 * down the SLI Layer.
1024 * Any other value - error.
1027 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
1029 struct lpfc_scsi_buf
*psb
, *psb_next
;
1030 struct lpfc_nvmet_rcv_ctx
*ctxp
, *ctxp_next
;
1032 LIST_HEAD(nvme_aborts
);
1033 LIST_HEAD(nvmet_aborts
);
1034 unsigned long iflag
= 0;
1035 struct lpfc_sglq
*sglq_entry
= NULL
;
1038 lpfc_sli_hbqbuf_free_all(phba
);
1039 lpfc_hba_clean_txcmplq(phba
);
1041 /* At this point in time the HBA is either reset or DOA. Either
1042 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1043 * on the lpfc_els_sgl_list so that it can either be freed if the
1044 * driver is unloading or reposted if the driver is restarting
1047 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_els_sgl_list and */
1049 /* sgl_list_lock required because worker thread uses this
1052 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
1053 list_for_each_entry(sglq_entry
,
1054 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
1055 sglq_entry
->state
= SGL_FREED
;
1057 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
1058 &phba
->sli4_hba
.lpfc_els_sgl_list
);
1061 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
1062 /* abts_scsi_buf_list_lock required because worker thread uses this
1065 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
1066 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1067 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
1069 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1072 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1073 spin_lock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
1074 list_splice_init(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
,
1076 list_splice_init(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
,
1078 spin_unlock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
1081 spin_unlock_irq(&phba
->hbalock
);
1083 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
1085 psb
->status
= IOSTAT_SUCCESS
;
1087 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
1088 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
1089 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
1091 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1092 list_for_each_entry_safe(psb
, psb_next
, &nvme_aborts
, list
) {
1094 psb
->status
= IOSTAT_SUCCESS
;
1096 spin_lock_irqsave(&phba
->nvme_buf_list_put_lock
, iflag
);
1097 list_splice(&nvme_aborts
, &phba
->lpfc_nvme_buf_list_put
);
1098 spin_unlock_irqrestore(&phba
->nvme_buf_list_put_lock
, iflag
);
1100 list_for_each_entry_safe(ctxp
, ctxp_next
, &nvmet_aborts
, list
) {
1101 ctxp
->flag
&= ~(LPFC_NVMET_XBUSY
| LPFC_NVMET_ABORT_OP
);
1102 lpfc_nvmet_ctxbuf_post(phba
, ctxp
->ctxbuf
);
1106 lpfc_sli4_free_sp_events(phba
);
1111 * lpfc_hba_down_post - Wrapper func for hba down post routine
1112 * @phba: pointer to lpfc HBA data structure.
1114 * This routine wraps the actual SLI3 or SLI4 routine for performing
1115 * uninitialization after the HBA is reset when bring down the SLI Layer.
1119 * Any other value - error.
1122 lpfc_hba_down_post(struct lpfc_hba
*phba
)
1124 return (*phba
->lpfc_hba_down_post
)(phba
);
1128 * lpfc_hb_timeout - The HBA-timer timeout handler
1129 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1131 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1132 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1133 * work-port-events bitmap and the worker thread is notified. This timeout
1134 * event will be used by the worker thread to invoke the actual timeout
1135 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1136 * be performed in the timeout handler and the HBA timeout event bit shall
1137 * be cleared by the worker thread after it has taken the event bitmap out.
1140 lpfc_hb_timeout(unsigned long ptr
)
1142 struct lpfc_hba
*phba
;
1143 uint32_t tmo_posted
;
1144 unsigned long iflag
;
1146 phba
= (struct lpfc_hba
*)ptr
;
1148 /* Check for heart beat timeout conditions */
1149 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1150 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
1152 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
1153 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1155 /* Tell the worker thread there is work to do */
1157 lpfc_worker_wake_up(phba
);
1162 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1163 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1165 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1166 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1167 * work-port-events bitmap and the worker thread is notified. This timeout
1168 * event will be used by the worker thread to invoke the actual timeout
1169 * handler routine, lpfc_rrq_handler. Any periodical operations will
1170 * be performed in the timeout handler and the RRQ timeout event bit shall
1171 * be cleared by the worker thread after it has taken the event bitmap out.
1174 lpfc_rrq_timeout(unsigned long ptr
)
1176 struct lpfc_hba
*phba
;
1177 unsigned long iflag
;
1179 phba
= (struct lpfc_hba
*)ptr
;
1180 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1181 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1182 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
1184 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
1185 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1187 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1188 lpfc_worker_wake_up(phba
);
1192 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1193 * @phba: pointer to lpfc hba data structure.
1194 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1196 * This is the callback function to the lpfc heart-beat mailbox command.
1197 * If configured, the lpfc driver issues the heart-beat mailbox command to
1198 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1199 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1200 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1201 * heart-beat outstanding state. Once the mailbox command comes back and
1202 * no error conditions detected, the heart-beat mailbox command timer is
1203 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1204 * state is cleared for the next heart-beat. If the timer expired with the
1205 * heart-beat outstanding state set, the driver will put the HBA offline.
1208 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1210 unsigned long drvr_flag
;
1212 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1213 phba
->hb_outstanding
= 0;
1214 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1216 /* Check and reset heart-beat timer is necessary */
1217 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1218 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1219 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1220 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1221 mod_timer(&phba
->hb_tmofunc
,
1223 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1228 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1229 * @phba: pointer to lpfc hba data structure.
1231 * This is the actual HBA-timer timeout handler to be invoked by the worker
1232 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1233 * handler performs any periodic operations needed for the device. If such
1234 * periodic event has already been attended to either in the interrupt handler
1235 * or by processing slow-ring or fast-ring events within the HBA-timer
1236 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1237 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1238 * is configured and there is no heart-beat mailbox command outstanding, a
1239 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1240 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1244 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1246 struct lpfc_vport
**vports
;
1247 LPFC_MBOXQ_t
*pmboxq
;
1248 struct lpfc_dmabuf
*buf_ptr
;
1250 struct lpfc_sli
*psli
= &phba
->sli
;
1251 LIST_HEAD(completions
);
1253 vports
= lpfc_create_vport_work_array(phba
);
1255 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
1256 lpfc_rcv_seq_check_edtov(vports
[i
]);
1257 lpfc_fdmi_num_disc_check(vports
[i
]);
1259 lpfc_destroy_vport_work_array(phba
, vports
);
1261 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1262 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1263 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1266 spin_lock_irq(&phba
->pport
->work_port_lock
);
1268 if (time_after(phba
->last_completion_time
+
1269 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1271 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1272 if (!phba
->hb_outstanding
)
1273 mod_timer(&phba
->hb_tmofunc
,
1275 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1277 mod_timer(&phba
->hb_tmofunc
,
1279 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1282 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1284 if (phba
->elsbuf_cnt
&&
1285 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1286 spin_lock_irq(&phba
->hbalock
);
1287 list_splice_init(&phba
->elsbuf
, &completions
);
1288 phba
->elsbuf_cnt
= 0;
1289 phba
->elsbuf_prev_cnt
= 0;
1290 spin_unlock_irq(&phba
->hbalock
);
1292 while (!list_empty(&completions
)) {
1293 list_remove_head(&completions
, buf_ptr
,
1294 struct lpfc_dmabuf
, list
);
1295 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1299 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1301 /* If there is no heart beat outstanding, issue a heartbeat command */
1302 if (phba
->cfg_enable_hba_heartbeat
) {
1303 if (!phba
->hb_outstanding
) {
1304 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1305 (list_empty(&psli
->mboxq
))) {
1306 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1309 mod_timer(&phba
->hb_tmofunc
,
1311 msecs_to_jiffies(1000 *
1312 LPFC_HB_MBOX_INTERVAL
));
1316 lpfc_heart_beat(phba
, pmboxq
);
1317 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1318 pmboxq
->vport
= phba
->pport
;
1319 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1322 if (retval
!= MBX_BUSY
&&
1323 retval
!= MBX_SUCCESS
) {
1324 mempool_free(pmboxq
,
1325 phba
->mbox_mem_pool
);
1326 mod_timer(&phba
->hb_tmofunc
,
1328 msecs_to_jiffies(1000 *
1329 LPFC_HB_MBOX_INTERVAL
));
1332 phba
->skipped_hb
= 0;
1333 phba
->hb_outstanding
= 1;
1334 } else if (time_before_eq(phba
->last_completion_time
,
1335 phba
->skipped_hb
)) {
1336 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1337 "2857 Last completion time not "
1338 " updated in %d ms\n",
1339 jiffies_to_msecs(jiffies
1340 - phba
->last_completion_time
));
1342 phba
->skipped_hb
= jiffies
;
1344 mod_timer(&phba
->hb_tmofunc
,
1346 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1350 * If heart beat timeout called with hb_outstanding set
1351 * we need to give the hb mailbox cmd a chance to
1354 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1355 "0459 Adapter heartbeat still out"
1356 "standing:last compl time was %d ms.\n",
1357 jiffies_to_msecs(jiffies
1358 - phba
->last_completion_time
));
1359 mod_timer(&phba
->hb_tmofunc
,
1361 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1364 mod_timer(&phba
->hb_tmofunc
,
1366 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1371 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1372 * @phba: pointer to lpfc hba data structure.
1374 * This routine is called to bring the HBA offline when HBA hardware error
1375 * other than Port Error 6 has been detected.
1378 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1380 struct lpfc_sli
*psli
= &phba
->sli
;
1382 spin_lock_irq(&phba
->hbalock
);
1383 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1384 spin_unlock_irq(&phba
->hbalock
);
1385 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1388 lpfc_reset_barrier(phba
);
1389 spin_lock_irq(&phba
->hbalock
);
1390 lpfc_sli_brdreset(phba
);
1391 spin_unlock_irq(&phba
->hbalock
);
1392 lpfc_hba_down_post(phba
);
1393 lpfc_sli_brdready(phba
, HS_MBRDY
);
1394 lpfc_unblock_mgmt_io(phba
);
1395 phba
->link_state
= LPFC_HBA_ERROR
;
1400 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1401 * @phba: pointer to lpfc hba data structure.
1403 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1404 * other than Port Error 6 has been detected.
1407 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1409 spin_lock_irq(&phba
->hbalock
);
1410 phba
->link_state
= LPFC_HBA_ERROR
;
1411 spin_unlock_irq(&phba
->hbalock
);
1413 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1415 lpfc_hba_down_post(phba
);
1416 lpfc_unblock_mgmt_io(phba
);
1420 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1421 * @phba: pointer to lpfc hba data structure.
1423 * This routine is invoked to handle the deferred HBA hardware error
1424 * conditions. This type of error is indicated by HBA by setting ER1
1425 * and another ER bit in the host status register. The driver will
1426 * wait until the ER1 bit clears before handling the error condition.
1429 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1431 uint32_t old_host_status
= phba
->work_hs
;
1432 struct lpfc_sli
*psli
= &phba
->sli
;
1434 /* If the pci channel is offline, ignore possible errors,
1435 * since we cannot communicate with the pci card anyway.
1437 if (pci_channel_offline(phba
->pcidev
)) {
1438 spin_lock_irq(&phba
->hbalock
);
1439 phba
->hba_flag
&= ~DEFER_ERATT
;
1440 spin_unlock_irq(&phba
->hbalock
);
1444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1445 "0479 Deferred Adapter Hardware Error "
1446 "Data: x%x x%x x%x\n",
1448 phba
->work_status
[0], phba
->work_status
[1]);
1450 spin_lock_irq(&phba
->hbalock
);
1451 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1452 spin_unlock_irq(&phba
->hbalock
);
1456 * Firmware stops when it triggred erratt. That could cause the I/Os
1457 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1458 * SCSI layer retry it after re-establishing link.
1460 lpfc_sli_abort_fcp_rings(phba
);
1463 * There was a firmware error. Take the hba offline and then
1464 * attempt to restart it.
1466 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1469 /* Wait for the ER1 bit to clear.*/
1470 while (phba
->work_hs
& HS_FFER1
) {
1472 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1473 phba
->work_hs
= UNPLUG_ERR
;
1476 /* If driver is unloading let the worker thread continue */
1477 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1484 * This is to ptrotect against a race condition in which
1485 * first write to the host attention register clear the
1486 * host status register.
1488 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1489 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1491 spin_lock_irq(&phba
->hbalock
);
1492 phba
->hba_flag
&= ~DEFER_ERATT
;
1493 spin_unlock_irq(&phba
->hbalock
);
1494 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1495 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1499 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1501 struct lpfc_board_event_header board_event
;
1502 struct Scsi_Host
*shost
;
1504 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1505 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1506 shost
= lpfc_shost_from_vport(phba
->pport
);
1507 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1508 sizeof(board_event
),
1509 (char *) &board_event
,
1514 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1515 * @phba: pointer to lpfc hba data structure.
1517 * This routine is invoked to handle the following HBA hardware error
1519 * 1 - HBA error attention interrupt
1520 * 2 - DMA ring index out of range
1521 * 3 - Mailbox command came back as unknown
1524 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1526 struct lpfc_vport
*vport
= phba
->pport
;
1527 struct lpfc_sli
*psli
= &phba
->sli
;
1528 uint32_t event_data
;
1529 unsigned long temperature
;
1530 struct temp_event temp_event_data
;
1531 struct Scsi_Host
*shost
;
1533 /* If the pci channel is offline, ignore possible errors,
1534 * since we cannot communicate with the pci card anyway.
1536 if (pci_channel_offline(phba
->pcidev
)) {
1537 spin_lock_irq(&phba
->hbalock
);
1538 phba
->hba_flag
&= ~DEFER_ERATT
;
1539 spin_unlock_irq(&phba
->hbalock
);
1543 /* If resets are disabled then leave the HBA alone and return */
1544 if (!phba
->cfg_enable_hba_reset
)
1547 /* Send an internal error event to mgmt application */
1548 lpfc_board_errevt_to_mgmt(phba
);
1550 if (phba
->hba_flag
& DEFER_ERATT
)
1551 lpfc_handle_deferred_eratt(phba
);
1553 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1554 if (phba
->work_hs
& HS_FFER6
)
1555 /* Re-establishing Link */
1556 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1557 "1301 Re-establishing Link "
1558 "Data: x%x x%x x%x\n",
1559 phba
->work_hs
, phba
->work_status
[0],
1560 phba
->work_status
[1]);
1561 if (phba
->work_hs
& HS_FFER8
)
1562 /* Device Zeroization */
1563 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1564 "2861 Host Authentication device "
1565 "zeroization Data:x%x x%x x%x\n",
1566 phba
->work_hs
, phba
->work_status
[0],
1567 phba
->work_status
[1]);
1569 spin_lock_irq(&phba
->hbalock
);
1570 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1571 spin_unlock_irq(&phba
->hbalock
);
1574 * Firmware stops when it triggled erratt with HS_FFER6.
1575 * That could cause the I/Os dropped by the firmware.
1576 * Error iocb (I/O) on txcmplq and let the SCSI layer
1577 * retry it after re-establishing link.
1579 lpfc_sli_abort_fcp_rings(phba
);
1582 * There was a firmware error. Take the hba offline and then
1583 * attempt to restart it.
1585 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1587 lpfc_sli_brdrestart(phba
);
1588 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1589 lpfc_unblock_mgmt_io(phba
);
1592 lpfc_unblock_mgmt_io(phba
);
1593 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1594 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1595 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1596 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1597 temp_event_data
.data
= (uint32_t)temperature
;
1599 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1600 "0406 Adapter maximum temperature exceeded "
1601 "(%ld), taking this port offline "
1602 "Data: x%x x%x x%x\n",
1603 temperature
, phba
->work_hs
,
1604 phba
->work_status
[0], phba
->work_status
[1]);
1606 shost
= lpfc_shost_from_vport(phba
->pport
);
1607 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1608 sizeof(temp_event_data
),
1609 (char *) &temp_event_data
,
1610 SCSI_NL_VID_TYPE_PCI
1611 | PCI_VENDOR_ID_EMULEX
);
1613 spin_lock_irq(&phba
->hbalock
);
1614 phba
->over_temp_state
= HBA_OVER_TEMP
;
1615 spin_unlock_irq(&phba
->hbalock
);
1616 lpfc_offline_eratt(phba
);
1619 /* The if clause above forces this code path when the status
1620 * failure is a value other than FFER6. Do not call the offline
1621 * twice. This is the adapter hardware error path.
1623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1624 "0457 Adapter Hardware Error "
1625 "Data: x%x x%x x%x\n",
1627 phba
->work_status
[0], phba
->work_status
[1]);
1629 event_data
= FC_REG_DUMP_EVENT
;
1630 shost
= lpfc_shost_from_vport(vport
);
1631 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1632 sizeof(event_data
), (char *) &event_data
,
1633 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1635 lpfc_offline_eratt(phba
);
1641 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1642 * @phba: pointer to lpfc hba data structure.
1643 * @mbx_action: flag for mailbox shutdown action.
1645 * This routine is invoked to perform an SLI4 port PCI function reset in
1646 * response to port status register polling attention. It waits for port
1647 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1648 * During this process, interrupt vectors are freed and later requested
1649 * for handling possible port resource change.
1652 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1658 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
1659 LPFC_SLI_INTF_IF_TYPE_2
) {
1661 * On error status condition, driver need to wait for port
1662 * ready before performing reset.
1664 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1669 /* need reset: attempt for port recovery */
1671 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1672 "2887 Reset Needed: Attempting Port "
1674 lpfc_offline_prep(phba
, mbx_action
);
1676 /* release interrupt for possible resource change */
1677 lpfc_sli4_disable_intr(phba
);
1678 lpfc_sli_brdrestart(phba
);
1679 /* request and enable interrupt */
1680 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1681 if (intr_mode
== LPFC_INTR_ERROR
) {
1682 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1683 "3175 Failed to enable interrupt\n");
1686 phba
->intr_mode
= intr_mode
;
1687 rc
= lpfc_online(phba
);
1689 lpfc_unblock_mgmt_io(phba
);
1695 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1696 * @phba: pointer to lpfc hba data structure.
1698 * This routine is invoked to handle the SLI4 HBA hardware error attention
1702 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1704 struct lpfc_vport
*vport
= phba
->pport
;
1705 uint32_t event_data
;
1706 struct Scsi_Host
*shost
;
1708 struct lpfc_register portstat_reg
= {0};
1709 uint32_t reg_err1
, reg_err2
;
1710 uint32_t uerrlo_reg
, uemasklo_reg
;
1711 uint32_t smphr_port_status
= 0, pci_rd_rc1
, pci_rd_rc2
;
1712 bool en_rn_msg
= true;
1713 struct temp_event temp_event_data
;
1714 struct lpfc_register portsmphr_reg
;
1717 /* If the pci channel is offline, ignore possible errors, since
1718 * we cannot communicate with the pci card anyway.
1720 if (pci_channel_offline(phba
->pcidev
))
1723 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
1724 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1726 case LPFC_SLI_INTF_IF_TYPE_0
:
1727 pci_rd_rc1
= lpfc_readl(
1728 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1730 pci_rd_rc2
= lpfc_readl(
1731 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1733 /* consider PCI bus read error as pci_channel_offline */
1734 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1736 if (!(phba
->hba_flag
& HBA_RECOVERABLE_UE
)) {
1737 lpfc_sli4_offline_eratt(phba
);
1740 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1741 "7623 Checking UE recoverable");
1743 for (i
= 0; i
< phba
->sli4_hba
.ue_to_sr
/ 1000; i
++) {
1744 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1745 &portsmphr_reg
.word0
))
1748 smphr_port_status
= bf_get(lpfc_port_smphr_port_status
,
1750 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1751 LPFC_PORT_SEM_UE_RECOVERABLE
)
1753 /*Sleep for 1Sec, before checking SEMAPHORE */
1757 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1758 "4827 smphr_port_status x%x : Waited %dSec",
1759 smphr_port_status
, i
);
1761 /* Recoverable UE, reset the HBA device */
1762 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1763 LPFC_PORT_SEM_UE_RECOVERABLE
) {
1764 for (i
= 0; i
< 20; i
++) {
1766 if (!lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1767 &portsmphr_reg
.word0
) &&
1768 (LPFC_POST_STAGE_PORT_READY
==
1769 bf_get(lpfc_port_smphr_port_status
,
1771 rc
= lpfc_sli4_port_sta_fn_reset(phba
,
1772 LPFC_MBX_NO_WAIT
, en_rn_msg
);
1775 lpfc_printf_log(phba
,
1777 "4215 Failed to recover UE");
1782 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1783 "7624 Firmware not ready: Failing UE recovery,"
1784 " waited %dSec", i
);
1785 lpfc_sli4_offline_eratt(phba
);
1788 case LPFC_SLI_INTF_IF_TYPE_2
:
1789 pci_rd_rc1
= lpfc_readl(
1790 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1791 &portstat_reg
.word0
);
1792 /* consider PCI bus read error as pci_channel_offline */
1793 if (pci_rd_rc1
== -EIO
) {
1794 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1795 "3151 PCI bus read access failure: x%x\n",
1796 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1799 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1800 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1801 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1802 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1803 "2889 Port Overtemperature event, "
1804 "taking port offline Data: x%x x%x\n",
1805 reg_err1
, reg_err2
);
1807 phba
->sfp_alarm
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
1808 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1809 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1810 temp_event_data
.data
= 0xFFFFFFFF;
1812 shost
= lpfc_shost_from_vport(phba
->pport
);
1813 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1814 sizeof(temp_event_data
),
1815 (char *)&temp_event_data
,
1816 SCSI_NL_VID_TYPE_PCI
1817 | PCI_VENDOR_ID_EMULEX
);
1819 spin_lock_irq(&phba
->hbalock
);
1820 phba
->over_temp_state
= HBA_OVER_TEMP
;
1821 spin_unlock_irq(&phba
->hbalock
);
1822 lpfc_sli4_offline_eratt(phba
);
1825 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1826 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1827 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1828 "3143 Port Down: Firmware Update "
1831 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1832 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1833 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1834 "3144 Port Down: Debug Dump\n");
1835 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1836 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1837 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1838 "3145 Port Down: Provisioning\n");
1840 /* If resets are disabled then leave the HBA alone and return */
1841 if (!phba
->cfg_enable_hba_reset
)
1844 /* Check port status register for function reset */
1845 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1848 /* don't report event on forced debug dump */
1849 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1850 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1855 /* fall through for not able to recover */
1856 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1857 "3152 Unrecoverable error, bring the port "
1859 lpfc_sli4_offline_eratt(phba
);
1861 case LPFC_SLI_INTF_IF_TYPE_1
:
1865 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1866 "3123 Report dump event to upper layer\n");
1867 /* Send an internal error event to mgmt application */
1868 lpfc_board_errevt_to_mgmt(phba
);
1870 event_data
= FC_REG_DUMP_EVENT
;
1871 shost
= lpfc_shost_from_vport(vport
);
1872 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1873 sizeof(event_data
), (char *) &event_data
,
1874 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1878 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1879 * @phba: pointer to lpfc HBA data structure.
1881 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1882 * routine from the API jump table function pointer from the lpfc_hba struct.
1886 * Any other value - error.
1889 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1891 (*phba
->lpfc_handle_eratt
)(phba
);
1895 * lpfc_handle_latt - The HBA link event handler
1896 * @phba: pointer to lpfc hba data structure.
1898 * This routine is invoked from the worker thread to handle a HBA host
1899 * attention link event. SLI3 only.
1902 lpfc_handle_latt(struct lpfc_hba
*phba
)
1904 struct lpfc_vport
*vport
= phba
->pport
;
1905 struct lpfc_sli
*psli
= &phba
->sli
;
1907 volatile uint32_t control
;
1908 struct lpfc_dmabuf
*mp
;
1911 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1914 goto lpfc_handle_latt_err_exit
;
1917 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1920 goto lpfc_handle_latt_free_pmb
;
1923 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1926 goto lpfc_handle_latt_free_mp
;
1929 /* Cleanup any outstanding ELS commands */
1930 lpfc_els_flush_all_cmd(phba
);
1932 psli
->slistat
.link_event
++;
1933 lpfc_read_topology(phba
, pmb
, mp
);
1934 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1936 /* Block ELS IOCBs until we have processed this mbox command */
1937 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1938 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1939 if (rc
== MBX_NOT_FINISHED
) {
1941 goto lpfc_handle_latt_free_mbuf
;
1944 /* Clear Link Attention in HA REG */
1945 spin_lock_irq(&phba
->hbalock
);
1946 writel(HA_LATT
, phba
->HAregaddr
);
1947 readl(phba
->HAregaddr
); /* flush */
1948 spin_unlock_irq(&phba
->hbalock
);
1952 lpfc_handle_latt_free_mbuf
:
1953 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1954 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1955 lpfc_handle_latt_free_mp
:
1957 lpfc_handle_latt_free_pmb
:
1958 mempool_free(pmb
, phba
->mbox_mem_pool
);
1959 lpfc_handle_latt_err_exit
:
1960 /* Enable Link attention interrupts */
1961 spin_lock_irq(&phba
->hbalock
);
1962 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1963 control
= readl(phba
->HCregaddr
);
1964 control
|= HC_LAINT_ENA
;
1965 writel(control
, phba
->HCregaddr
);
1966 readl(phba
->HCregaddr
); /* flush */
1968 /* Clear Link Attention in HA REG */
1969 writel(HA_LATT
, phba
->HAregaddr
);
1970 readl(phba
->HAregaddr
); /* flush */
1971 spin_unlock_irq(&phba
->hbalock
);
1972 lpfc_linkdown(phba
);
1973 phba
->link_state
= LPFC_HBA_ERROR
;
1975 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1976 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1982 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1983 * @phba: pointer to lpfc hba data structure.
1984 * @vpd: pointer to the vital product data.
1985 * @len: length of the vital product data in bytes.
1987 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1988 * an array of characters. In this routine, the ModelName, ProgramType, and
1989 * ModelDesc, etc. fields of the phba data structure will be populated.
1992 * 0 - pointer to the VPD passed in is NULL
1996 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1998 uint8_t lenlo
, lenhi
;
2008 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2009 "0455 Vital Product Data: x%x x%x x%x x%x\n",
2010 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
2012 while (!finished
&& (index
< (len
- 4))) {
2013 switch (vpd
[index
]) {
2021 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2030 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2031 if (Length
> len
- index
)
2032 Length
= len
- index
;
2033 while (Length
> 0) {
2034 /* Look for Serial Number */
2035 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
2042 phba
->SerialNumber
[j
++] = vpd
[index
++];
2046 phba
->SerialNumber
[j
] = 0;
2049 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
2050 phba
->vpd_flag
|= VPD_MODEL_DESC
;
2057 phba
->ModelDesc
[j
++] = vpd
[index
++];
2061 phba
->ModelDesc
[j
] = 0;
2064 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
2065 phba
->vpd_flag
|= VPD_MODEL_NAME
;
2072 phba
->ModelName
[j
++] = vpd
[index
++];
2076 phba
->ModelName
[j
] = 0;
2079 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
2080 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
2087 phba
->ProgramType
[j
++] = vpd
[index
++];
2091 phba
->ProgramType
[j
] = 0;
2094 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
2095 phba
->vpd_flag
|= VPD_PORT
;
2102 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
2103 (phba
->sli4_hba
.pport_name_sta
==
2104 LPFC_SLI4_PPNAME_GET
)) {
2108 phba
->Port
[j
++] = vpd
[index
++];
2112 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
2113 (phba
->sli4_hba
.pport_name_sta
==
2114 LPFC_SLI4_PPNAME_NON
))
2141 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2142 * @phba: pointer to lpfc hba data structure.
2143 * @mdp: pointer to the data structure to hold the derived model name.
2144 * @descp: pointer to the data structure to hold the derived description.
2146 * This routine retrieves HBA's description based on its registered PCI device
2147 * ID. The @descp passed into this function points to an array of 256 chars. It
2148 * shall be returned with the model name, maximum speed, and the host bus type.
2149 * The @mdp passed into this function points to an array of 80 chars. When the
2150 * function returns, the @mdp will be filled with the model name.
2153 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2156 uint16_t dev_id
= phba
->pcidev
->device
;
2159 int oneConnect
= 0; /* default is not a oneConnect */
2164 } m
= {"<Unknown>", "", ""};
2166 if (mdp
&& mdp
[0] != '\0'
2167 && descp
&& descp
[0] != '\0')
2170 if (phba
->lmt
& LMT_32Gb
)
2172 else if (phba
->lmt
& LMT_16Gb
)
2174 else if (phba
->lmt
& LMT_10Gb
)
2176 else if (phba
->lmt
& LMT_8Gb
)
2178 else if (phba
->lmt
& LMT_4Gb
)
2180 else if (phba
->lmt
& LMT_2Gb
)
2182 else if (phba
->lmt
& LMT_1Gb
)
2190 case PCI_DEVICE_ID_FIREFLY
:
2191 m
= (typeof(m
)){"LP6000", "PCI",
2192 "Obsolete, Unsupported Fibre Channel Adapter"};
2194 case PCI_DEVICE_ID_SUPERFLY
:
2195 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2196 m
= (typeof(m
)){"LP7000", "PCI", ""};
2198 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2199 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2201 case PCI_DEVICE_ID_DRAGONFLY
:
2202 m
= (typeof(m
)){"LP8000", "PCI",
2203 "Obsolete, Unsupported Fibre Channel Adapter"};
2205 case PCI_DEVICE_ID_CENTAUR
:
2206 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2207 m
= (typeof(m
)){"LP9002", "PCI", ""};
2209 m
= (typeof(m
)){"LP9000", "PCI", ""};
2210 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2212 case PCI_DEVICE_ID_RFLY
:
2213 m
= (typeof(m
)){"LP952", "PCI",
2214 "Obsolete, Unsupported Fibre Channel Adapter"};
2216 case PCI_DEVICE_ID_PEGASUS
:
2217 m
= (typeof(m
)){"LP9802", "PCI-X",
2218 "Obsolete, Unsupported Fibre Channel Adapter"};
2220 case PCI_DEVICE_ID_THOR
:
2221 m
= (typeof(m
)){"LP10000", "PCI-X",
2222 "Obsolete, Unsupported Fibre Channel Adapter"};
2224 case PCI_DEVICE_ID_VIPER
:
2225 m
= (typeof(m
)){"LPX1000", "PCI-X",
2226 "Obsolete, Unsupported Fibre Channel Adapter"};
2228 case PCI_DEVICE_ID_PFLY
:
2229 m
= (typeof(m
)){"LP982", "PCI-X",
2230 "Obsolete, Unsupported Fibre Channel Adapter"};
2232 case PCI_DEVICE_ID_TFLY
:
2233 m
= (typeof(m
)){"LP1050", "PCI-X",
2234 "Obsolete, Unsupported Fibre Channel Adapter"};
2236 case PCI_DEVICE_ID_HELIOS
:
2237 m
= (typeof(m
)){"LP11000", "PCI-X2",
2238 "Obsolete, Unsupported Fibre Channel Adapter"};
2240 case PCI_DEVICE_ID_HELIOS_SCSP
:
2241 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2242 "Obsolete, Unsupported Fibre Channel Adapter"};
2244 case PCI_DEVICE_ID_HELIOS_DCSP
:
2245 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2246 "Obsolete, Unsupported Fibre Channel Adapter"};
2248 case PCI_DEVICE_ID_NEPTUNE
:
2249 m
= (typeof(m
)){"LPe1000", "PCIe",
2250 "Obsolete, Unsupported Fibre Channel Adapter"};
2252 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2253 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2254 "Obsolete, Unsupported Fibre Channel Adapter"};
2256 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2257 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2258 "Obsolete, Unsupported Fibre Channel Adapter"};
2260 case PCI_DEVICE_ID_BMID
:
2261 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2263 case PCI_DEVICE_ID_BSMB
:
2264 m
= (typeof(m
)){"LP111", "PCI-X2",
2265 "Obsolete, Unsupported Fibre Channel Adapter"};
2267 case PCI_DEVICE_ID_ZEPHYR
:
2268 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2270 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2271 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2273 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2274 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2277 case PCI_DEVICE_ID_ZMID
:
2278 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2280 case PCI_DEVICE_ID_ZSMB
:
2281 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2283 case PCI_DEVICE_ID_LP101
:
2284 m
= (typeof(m
)){"LP101", "PCI-X",
2285 "Obsolete, Unsupported Fibre Channel Adapter"};
2287 case PCI_DEVICE_ID_LP10000S
:
2288 m
= (typeof(m
)){"LP10000-S", "PCI",
2289 "Obsolete, Unsupported Fibre Channel Adapter"};
2291 case PCI_DEVICE_ID_LP11000S
:
2292 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2293 "Obsolete, Unsupported Fibre Channel Adapter"};
2295 case PCI_DEVICE_ID_LPE11000S
:
2296 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2297 "Obsolete, Unsupported Fibre Channel Adapter"};
2299 case PCI_DEVICE_ID_SAT
:
2300 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2302 case PCI_DEVICE_ID_SAT_MID
:
2303 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2305 case PCI_DEVICE_ID_SAT_SMB
:
2306 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2308 case PCI_DEVICE_ID_SAT_DCSP
:
2309 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2311 case PCI_DEVICE_ID_SAT_SCSP
:
2312 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2314 case PCI_DEVICE_ID_SAT_S
:
2315 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2317 case PCI_DEVICE_ID_HORNET
:
2318 m
= (typeof(m
)){"LP21000", "PCIe",
2319 "Obsolete, Unsupported FCoE Adapter"};
2322 case PCI_DEVICE_ID_PROTEUS_VF
:
2323 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2324 "Obsolete, Unsupported Fibre Channel Adapter"};
2326 case PCI_DEVICE_ID_PROTEUS_PF
:
2327 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2328 "Obsolete, Unsupported Fibre Channel Adapter"};
2330 case PCI_DEVICE_ID_PROTEUS_S
:
2331 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2332 "Obsolete, Unsupported Fibre Channel Adapter"};
2334 case PCI_DEVICE_ID_TIGERSHARK
:
2336 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2338 case PCI_DEVICE_ID_TOMCAT
:
2340 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2342 case PCI_DEVICE_ID_FALCON
:
2343 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2344 "EmulexSecure Fibre"};
2346 case PCI_DEVICE_ID_BALIUS
:
2347 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2348 "Obsolete, Unsupported Fibre Channel Adapter"};
2350 case PCI_DEVICE_ID_LANCER_FC
:
2351 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2353 case PCI_DEVICE_ID_LANCER_FC_VF
:
2354 m
= (typeof(m
)){"LPe16000", "PCIe",
2355 "Obsolete, Unsupported Fibre Channel Adapter"};
2357 case PCI_DEVICE_ID_LANCER_FCOE
:
2359 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2361 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2363 m
= (typeof(m
)){"OCe15100", "PCIe",
2364 "Obsolete, Unsupported FCoE"};
2366 case PCI_DEVICE_ID_LANCER_G6_FC
:
2367 m
= (typeof(m
)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2369 case PCI_DEVICE_ID_SKYHAWK
:
2370 case PCI_DEVICE_ID_SKYHAWK_VF
:
2372 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2375 m
= (typeof(m
)){"Unknown", "", ""};
2379 if (mdp
&& mdp
[0] == '\0')
2380 snprintf(mdp
, 79,"%s", m
.name
);
2382 * oneConnect hba requires special processing, they are all initiators
2383 * and we put the port number on the end
2385 if (descp
&& descp
[0] == '\0') {
2387 snprintf(descp
, 255,
2388 "Emulex OneConnect %s, %s Initiator %s",
2391 else if (max_speed
== 0)
2392 snprintf(descp
, 255,
2394 m
.name
, m
.bus
, m
.function
);
2396 snprintf(descp
, 255,
2397 "Emulex %s %d%s %s %s",
2398 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2404 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2405 * @phba: pointer to lpfc hba data structure.
2406 * @pring: pointer to a IOCB ring.
2407 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2409 * This routine posts a given number of IOCBs with the associated DMA buffer
2410 * descriptors specified by the cnt argument to the given IOCB ring.
2413 * The number of IOCBs NOT able to be posted to the IOCB ring.
2416 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2419 struct lpfc_iocbq
*iocb
;
2420 struct lpfc_dmabuf
*mp1
, *mp2
;
2422 cnt
+= pring
->missbufcnt
;
2424 /* While there are buffers to post */
2426 /* Allocate buffer for command iocb */
2427 iocb
= lpfc_sli_get_iocbq(phba
);
2429 pring
->missbufcnt
= cnt
;
2434 /* 2 buffers can be posted per command */
2435 /* Allocate buffer to post */
2436 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2438 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2439 if (!mp1
|| !mp1
->virt
) {
2441 lpfc_sli_release_iocbq(phba
, iocb
);
2442 pring
->missbufcnt
= cnt
;
2446 INIT_LIST_HEAD(&mp1
->list
);
2447 /* Allocate buffer to post */
2449 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2451 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2453 if (!mp2
|| !mp2
->virt
) {
2455 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2457 lpfc_sli_release_iocbq(phba
, iocb
);
2458 pring
->missbufcnt
= cnt
;
2462 INIT_LIST_HEAD(&mp2
->list
);
2467 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2468 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2469 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2470 icmd
->ulpBdeCount
= 1;
2473 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2474 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2475 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2477 icmd
->ulpBdeCount
= 2;
2480 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2483 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2485 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2489 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2493 lpfc_sli_release_iocbq(phba
, iocb
);
2494 pring
->missbufcnt
= cnt
;
2497 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2499 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2501 pring
->missbufcnt
= 0;
2506 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2507 * @phba: pointer to lpfc hba data structure.
2509 * This routine posts initial receive IOCB buffers to the ELS ring. The
2510 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2511 * set to 64 IOCBs. SLI3 only.
2514 * 0 - success (currently always success)
2517 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2519 struct lpfc_sli
*psli
= &phba
->sli
;
2521 /* Ring 0, ELS / CT buffers */
2522 lpfc_post_buffer(phba
, &psli
->sli3_ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2523 /* Ring 2 - FCP no buffers needed */
2528 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2531 * lpfc_sha_init - Set up initial array of hash table entries
2532 * @HashResultPointer: pointer to an array as hash table.
2534 * This routine sets up the initial values to the array of hash table entries
2538 lpfc_sha_init(uint32_t * HashResultPointer
)
2540 HashResultPointer
[0] = 0x67452301;
2541 HashResultPointer
[1] = 0xEFCDAB89;
2542 HashResultPointer
[2] = 0x98BADCFE;
2543 HashResultPointer
[3] = 0x10325476;
2544 HashResultPointer
[4] = 0xC3D2E1F0;
2548 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2549 * @HashResultPointer: pointer to an initial/result hash table.
2550 * @HashWorkingPointer: pointer to an working hash table.
2552 * This routine iterates an initial hash table pointed by @HashResultPointer
2553 * with the values from the working hash table pointeed by @HashWorkingPointer.
2554 * The results are putting back to the initial hash table, returned through
2555 * the @HashResultPointer as the result hash table.
2558 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2562 uint32_t A
, B
, C
, D
, E
;
2565 HashWorkingPointer
[t
] =
2567 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2569 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2570 } while (++t
<= 79);
2572 A
= HashResultPointer
[0];
2573 B
= HashResultPointer
[1];
2574 C
= HashResultPointer
[2];
2575 D
= HashResultPointer
[3];
2576 E
= HashResultPointer
[4];
2580 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2581 } else if (t
< 40) {
2582 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2583 } else if (t
< 60) {
2584 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2586 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2588 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2594 } while (++t
<= 79);
2596 HashResultPointer
[0] += A
;
2597 HashResultPointer
[1] += B
;
2598 HashResultPointer
[2] += C
;
2599 HashResultPointer
[3] += D
;
2600 HashResultPointer
[4] += E
;
2605 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2606 * @RandomChallenge: pointer to the entry of host challenge random number array.
2607 * @HashWorking: pointer to the entry of the working hash array.
2609 * This routine calculates the working hash array referred by @HashWorking
2610 * from the challenge random numbers associated with the host, referred by
2611 * @RandomChallenge. The result is put into the entry of the working hash
2612 * array and returned by reference through @HashWorking.
2615 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2617 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2621 * lpfc_hba_init - Perform special handling for LC HBA initialization
2622 * @phba: pointer to lpfc hba data structure.
2623 * @hbainit: pointer to an array of unsigned 32-bit integers.
2625 * This routine performs the special handling for LC HBA initialization.
2628 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2631 uint32_t *HashWorking
;
2632 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2634 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2638 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2639 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2641 for (t
= 0; t
< 7; t
++)
2642 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2644 lpfc_sha_init(hbainit
);
2645 lpfc_sha_iterate(hbainit
, HashWorking
);
2650 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2651 * @vport: pointer to a virtual N_Port data structure.
2653 * This routine performs the necessary cleanups before deleting the @vport.
2654 * It invokes the discovery state machine to perform necessary state
2655 * transitions and to release the ndlps associated with the @vport. Note,
2656 * the physical port is treated as @vport 0.
2659 lpfc_cleanup(struct lpfc_vport
*vport
)
2661 struct lpfc_hba
*phba
= vport
->phba
;
2662 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2665 if (phba
->link_state
> LPFC_LINK_DOWN
)
2666 lpfc_port_link_failure(vport
);
2668 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2669 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2670 ndlp
= lpfc_enable_node(vport
, ndlp
,
2671 NLP_STE_UNUSED_NODE
);
2674 spin_lock_irq(&phba
->ndlp_lock
);
2675 NLP_SET_FREE_REQ(ndlp
);
2676 spin_unlock_irq(&phba
->ndlp_lock
);
2677 /* Trigger the release of the ndlp memory */
2681 spin_lock_irq(&phba
->ndlp_lock
);
2682 if (NLP_CHK_FREE_REQ(ndlp
)) {
2683 /* The ndlp should not be in memory free mode already */
2684 spin_unlock_irq(&phba
->ndlp_lock
);
2687 /* Indicate request for freeing ndlp memory */
2688 NLP_SET_FREE_REQ(ndlp
);
2689 spin_unlock_irq(&phba
->ndlp_lock
);
2691 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2692 ndlp
->nlp_DID
== Fabric_DID
) {
2693 /* Just free up ndlp with Fabric_DID for vports */
2698 /* take care of nodes in unused state before the state
2699 * machine taking action.
2701 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2706 if (ndlp
->nlp_type
& NLP_FABRIC
)
2707 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2708 NLP_EVT_DEVICE_RECOVERY
);
2710 if (ndlp
->nlp_fc4_type
& NLP_FC4_NVME
) {
2711 /* Remove the NVME transport reference now and
2712 * continue to remove the node.
2717 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2721 /* At this point, ALL ndlp's should be gone
2722 * because of the previous NLP_EVT_DEVICE_RM.
2723 * Lets wait for this to happen, if needed.
2725 while (!list_empty(&vport
->fc_nodes
)) {
2727 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2728 "0233 Nodelist not empty\n");
2729 list_for_each_entry_safe(ndlp
, next_ndlp
,
2730 &vport
->fc_nodes
, nlp_listp
) {
2731 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2733 "0282 did:x%x ndlp:x%p "
2734 "usgmap:x%x refcnt:%d\n",
2735 ndlp
->nlp_DID
, (void *)ndlp
,
2737 kref_read(&ndlp
->kref
));
2742 /* Wait for any activity on ndlps to settle */
2745 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2749 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2750 * @vport: pointer to a virtual N_Port data structure.
2752 * This routine stops all the timers associated with a @vport. This function
2753 * is invoked before disabling or deleting a @vport. Note that the physical
2754 * port is treated as @vport 0.
2757 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2759 del_timer_sync(&vport
->els_tmofunc
);
2760 del_timer_sync(&vport
->delayed_disc_tmo
);
2761 lpfc_can_disctmo(vport
);
2766 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2767 * @phba: pointer to lpfc hba data structure.
2769 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2770 * caller of this routine should already hold the host lock.
2773 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2775 /* Clear pending FCF rediscovery wait flag */
2776 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2778 /* Now, try to stop the timer */
2779 del_timer(&phba
->fcf
.redisc_wait
);
2783 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2784 * @phba: pointer to lpfc hba data structure.
2786 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2787 * checks whether the FCF rediscovery wait timer is pending with the host
2788 * lock held before proceeding with disabling the timer and clearing the
2789 * wait timer pendig flag.
2792 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2794 spin_lock_irq(&phba
->hbalock
);
2795 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2796 /* FCF rediscovery timer already fired or stopped */
2797 spin_unlock_irq(&phba
->hbalock
);
2800 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2801 /* Clear failover in progress flags */
2802 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2803 spin_unlock_irq(&phba
->hbalock
);
2807 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2808 * @phba: pointer to lpfc hba data structure.
2810 * This routine stops all the timers associated with a HBA. This function is
2811 * invoked before either putting a HBA offline or unloading the driver.
2814 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2816 lpfc_stop_vport_timers(phba
->pport
);
2817 del_timer_sync(&phba
->sli
.mbox_tmo
);
2818 del_timer_sync(&phba
->fabric_block_timer
);
2819 del_timer_sync(&phba
->eratt_poll
);
2820 del_timer_sync(&phba
->hb_tmofunc
);
2821 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2822 del_timer_sync(&phba
->rrq_tmr
);
2823 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2825 phba
->hb_outstanding
= 0;
2827 switch (phba
->pci_dev_grp
) {
2828 case LPFC_PCI_DEV_LP
:
2829 /* Stop any LightPulse device specific driver timers */
2830 del_timer_sync(&phba
->fcp_poll_timer
);
2832 case LPFC_PCI_DEV_OC
:
2833 /* Stop any OneConnect device sepcific driver timers */
2834 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2837 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2838 "0297 Invalid device group (x%x)\n",
2846 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2847 * @phba: pointer to lpfc hba data structure.
2849 * This routine marks a HBA's management interface as blocked. Once the HBA's
2850 * management interface is marked as blocked, all the user space access to
2851 * the HBA, whether they are from sysfs interface or libdfc interface will
2852 * all be blocked. The HBA is set to block the management interface when the
2853 * driver prepares the HBA interface for online or offline.
2856 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2858 unsigned long iflag
;
2859 uint8_t actcmd
= MBX_HEARTBEAT
;
2860 unsigned long timeout
;
2862 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2863 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2864 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2865 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2867 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2868 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2869 if (phba
->sli
.mbox_active
) {
2870 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2871 /* Determine how long we might wait for the active mailbox
2872 * command to be gracefully completed by firmware.
2874 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2875 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2877 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2879 /* Wait for the outstnading mailbox command to complete */
2880 while (phba
->sli
.mbox_active
) {
2881 /* Check active mailbox complete status every 2ms */
2883 if (time_after(jiffies
, timeout
)) {
2884 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2885 "2813 Mgmt IO is Blocked %x "
2886 "- mbox cmd %x still active\n",
2887 phba
->sli
.sli_flag
, actcmd
);
2894 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2895 * @phba: pointer to lpfc hba data structure.
2897 * Allocate RPIs for all active remote nodes. This is needed whenever
2898 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2899 * is to fixup the temporary rpi assignments.
2902 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2904 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2905 struct lpfc_vport
**vports
;
2907 unsigned long flags
;
2909 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2912 vports
= lpfc_create_vport_work_array(phba
);
2916 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2917 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2920 list_for_each_entry_safe(ndlp
, next_ndlp
,
2921 &vports
[i
]->fc_nodes
,
2923 if (!NLP_CHK_NODE_ACT(ndlp
))
2925 rpi
= lpfc_sli4_alloc_rpi(phba
);
2926 if (rpi
== LPFC_RPI_ALLOC_ERROR
) {
2927 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
2928 NLP_CLR_NODE_ACT(ndlp
);
2929 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
2932 ndlp
->nlp_rpi
= rpi
;
2933 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
2934 "0009 rpi:%x DID:%x "
2935 "flg:%x map:%x %p\n", ndlp
->nlp_rpi
,
2936 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
2937 ndlp
->nlp_usg_map
, ndlp
);
2940 lpfc_destroy_vport_work_array(phba
, vports
);
2944 * lpfc_online - Initialize and bring a HBA online
2945 * @phba: pointer to lpfc hba data structure.
2947 * This routine initializes the HBA and brings a HBA online. During this
2948 * process, the management interface is blocked to prevent user space access
2949 * to the HBA interfering with the driver initialization.
2956 lpfc_online(struct lpfc_hba
*phba
)
2958 struct lpfc_vport
*vport
;
2959 struct lpfc_vport
**vports
;
2961 bool vpis_cleared
= false;
2965 vport
= phba
->pport
;
2967 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2970 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2971 "0458 Bring Adapter online\n");
2973 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2975 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2976 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2977 lpfc_unblock_mgmt_io(phba
);
2980 spin_lock_irq(&phba
->hbalock
);
2981 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2982 vpis_cleared
= true;
2983 spin_unlock_irq(&phba
->hbalock
);
2985 lpfc_sli_queue_init(phba
);
2986 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2987 lpfc_unblock_mgmt_io(phba
);
2992 vports
= lpfc_create_vport_work_array(phba
);
2993 if (vports
!= NULL
) {
2994 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2995 struct Scsi_Host
*shost
;
2996 shost
= lpfc_shost_from_vport(vports
[i
]);
2997 spin_lock_irq(shost
->host_lock
);
2998 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2999 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
3000 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3001 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3002 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
3003 if ((vpis_cleared
) &&
3004 (vports
[i
]->port_type
!=
3005 LPFC_PHYSICAL_PORT
))
3008 spin_unlock_irq(shost
->host_lock
);
3011 lpfc_destroy_vport_work_array(phba
, vports
);
3013 lpfc_unblock_mgmt_io(phba
);
3018 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
3019 * @phba: pointer to lpfc hba data structure.
3021 * This routine marks a HBA's management interface as not blocked. Once the
3022 * HBA's management interface is marked as not blocked, all the user space
3023 * access to the HBA, whether they are from sysfs interface or libdfc
3024 * interface will be allowed. The HBA is set to block the management interface
3025 * when the driver prepares the HBA interface for online or offline and then
3026 * set to unblock the management interface afterwards.
3029 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
3031 unsigned long iflag
;
3033 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3034 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
3035 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3039 * lpfc_offline_prep - Prepare a HBA to be brought offline
3040 * @phba: pointer to lpfc hba data structure.
3042 * This routine is invoked to prepare a HBA to be brought offline. It performs
3043 * unregistration login to all the nodes on all vports and flushes the mailbox
3044 * queue to make it ready to be brought offline.
3047 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
3049 struct lpfc_vport
*vport
= phba
->pport
;
3050 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3051 struct lpfc_vport
**vports
;
3052 struct Scsi_Host
*shost
;
3055 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
3058 lpfc_block_mgmt_io(phba
, mbx_action
);
3060 lpfc_linkdown(phba
);
3062 /* Issue an unreg_login to all nodes on all vports */
3063 vports
= lpfc_create_vport_work_array(phba
);
3064 if (vports
!= NULL
) {
3065 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3066 if (vports
[i
]->load_flag
& FC_UNLOADING
)
3068 shost
= lpfc_shost_from_vport(vports
[i
]);
3069 spin_lock_irq(shost
->host_lock
);
3070 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
3071 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3072 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
3073 spin_unlock_irq(shost
->host_lock
);
3075 shost
= lpfc_shost_from_vport(vports
[i
]);
3076 list_for_each_entry_safe(ndlp
, next_ndlp
,
3077 &vports
[i
]->fc_nodes
,
3079 if (!NLP_CHK_NODE_ACT(ndlp
))
3081 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3083 if (ndlp
->nlp_type
& NLP_FABRIC
) {
3084 lpfc_disc_state_machine(vports
[i
], ndlp
,
3085 NULL
, NLP_EVT_DEVICE_RECOVERY
);
3086 lpfc_disc_state_machine(vports
[i
], ndlp
,
3087 NULL
, NLP_EVT_DEVICE_RM
);
3089 spin_lock_irq(shost
->host_lock
);
3090 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
3091 spin_unlock_irq(shost
->host_lock
);
3093 * Whenever an SLI4 port goes offline, free the
3094 * RPI. Get a new RPI when the adapter port
3095 * comes back online.
3097 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3098 lpfc_printf_vlog(ndlp
->vport
,
3099 KERN_INFO
, LOG_NODE
,
3100 "0011 lpfc_offline: "
3102 "usgmap:x%x rpi:%x\n",
3103 ndlp
, ndlp
->nlp_DID
,
3107 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
3109 lpfc_unreg_rpi(vports
[i
], ndlp
);
3113 lpfc_destroy_vport_work_array(phba
, vports
);
3115 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
3119 * lpfc_offline - Bring a HBA offline
3120 * @phba: pointer to lpfc hba data structure.
3122 * This routine actually brings a HBA offline. It stops all the timers
3123 * associated with the HBA, brings down the SLI layer, and eventually
3124 * marks the HBA as in offline state for the upper layer protocol.
3127 lpfc_offline(struct lpfc_hba
*phba
)
3129 struct Scsi_Host
*shost
;
3130 struct lpfc_vport
**vports
;
3133 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
3136 /* stop port and all timers associated with this hba */
3137 lpfc_stop_port(phba
);
3138 vports
= lpfc_create_vport_work_array(phba
);
3140 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3141 lpfc_stop_vport_timers(vports
[i
]);
3142 lpfc_destroy_vport_work_array(phba
, vports
);
3143 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3144 "0460 Bring Adapter offline\n");
3145 /* Bring down the SLI Layer and cleanup. The HBA is offline
3147 lpfc_sli_hba_down(phba
);
3148 spin_lock_irq(&phba
->hbalock
);
3150 spin_unlock_irq(&phba
->hbalock
);
3151 vports
= lpfc_create_vport_work_array(phba
);
3153 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3154 shost
= lpfc_shost_from_vport(vports
[i
]);
3155 spin_lock_irq(shost
->host_lock
);
3156 vports
[i
]->work_port_events
= 0;
3157 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
3158 spin_unlock_irq(shost
->host_lock
);
3160 lpfc_destroy_vport_work_array(phba
, vports
);
3164 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3165 * @phba: pointer to lpfc hba data structure.
3167 * This routine is to free all the SCSI buffers and IOCBs from the driver
3168 * list back to kernel. It is called from lpfc_pci_remove_one to free
3169 * the internal resources before the device is removed from the system.
3172 lpfc_scsi_free(struct lpfc_hba
*phba
)
3174 struct lpfc_scsi_buf
*sb
, *sb_next
;
3176 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
3179 spin_lock_irq(&phba
->hbalock
);
3181 /* Release all the lpfc_scsi_bufs maintained by this host. */
3183 spin_lock(&phba
->scsi_buf_list_put_lock
);
3184 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3186 list_del(&sb
->list
);
3187 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3190 phba
->total_scsi_bufs
--;
3192 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3194 spin_lock(&phba
->scsi_buf_list_get_lock
);
3195 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3197 list_del(&sb
->list
);
3198 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3201 phba
->total_scsi_bufs
--;
3203 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3204 spin_unlock_irq(&phba
->hbalock
);
3207 * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists
3208 * @phba: pointer to lpfc hba data structure.
3210 * This routine is to free all the NVME buffers and IOCBs from the driver
3211 * list back to kernel. It is called from lpfc_pci_remove_one to free
3212 * the internal resources before the device is removed from the system.
3215 lpfc_nvme_free(struct lpfc_hba
*phba
)
3217 struct lpfc_nvme_buf
*lpfc_ncmd
, *lpfc_ncmd_next
;
3219 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
))
3222 spin_lock_irq(&phba
->hbalock
);
3224 /* Release all the lpfc_nvme_bufs maintained by this host. */
3225 spin_lock(&phba
->nvme_buf_list_put_lock
);
3226 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3227 &phba
->lpfc_nvme_buf_list_put
, list
) {
3228 list_del(&lpfc_ncmd
->list
);
3229 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
, lpfc_ncmd
->data
,
3230 lpfc_ncmd
->dma_handle
);
3232 phba
->total_nvme_bufs
--;
3234 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3236 spin_lock(&phba
->nvme_buf_list_get_lock
);
3237 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3238 &phba
->lpfc_nvme_buf_list_get
, list
) {
3239 list_del(&lpfc_ncmd
->list
);
3240 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
, lpfc_ncmd
->data
,
3241 lpfc_ncmd
->dma_handle
);
3243 phba
->total_nvme_bufs
--;
3245 spin_unlock(&phba
->nvme_buf_list_get_lock
);
3246 spin_unlock_irq(&phba
->hbalock
);
3249 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping
3250 * @phba: pointer to lpfc hba data structure.
3252 * This routine first calculates the sizes of the current els and allocated
3253 * scsi sgl lists, and then goes through all sgls to updates the physical
3254 * XRIs assigned due to port function reset. During port initialization, the
3255 * current els and allocated scsi sgl lists are 0s.
3258 * 0 - successful (for now, it always returns 0)
3261 lpfc_sli4_els_sgl_update(struct lpfc_hba
*phba
)
3263 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3264 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3265 LIST_HEAD(els_sgl_list
);
3269 * update on pci function's els xri-sgl list
3271 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3273 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3274 /* els xri-sgl expanded */
3275 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3276 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3277 "3157 ELS xri-sgl count increased from "
3278 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3280 /* allocate the additional els sgls */
3281 for (i
= 0; i
< xri_cnt
; i
++) {
3282 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3284 if (sglq_entry
== NULL
) {
3285 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3286 "2562 Failure to allocate an "
3287 "ELS sgl entry:%d\n", i
);
3291 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3292 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3294 if (sglq_entry
->virt
== NULL
) {
3296 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3297 "2563 Failure to allocate an "
3298 "ELS mbuf:%d\n", i
);
3302 sglq_entry
->sgl
= sglq_entry
->virt
;
3303 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3304 sglq_entry
->state
= SGL_FREED
;
3305 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3307 spin_lock_irq(&phba
->hbalock
);
3308 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3309 list_splice_init(&els_sgl_list
,
3310 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3311 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3312 spin_unlock_irq(&phba
->hbalock
);
3313 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3314 /* els xri-sgl shrinked */
3315 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3316 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3317 "3158 ELS xri-sgl count decreased from "
3318 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3320 spin_lock_irq(&phba
->hbalock
);
3321 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3322 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
,
3324 /* release extra els sgls from list */
3325 for (i
= 0; i
< xri_cnt
; i
++) {
3326 list_remove_head(&els_sgl_list
,
3327 sglq_entry
, struct lpfc_sglq
, list
);
3329 __lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3334 list_splice_init(&els_sgl_list
,
3335 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3336 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3337 spin_unlock_irq(&phba
->hbalock
);
3339 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3340 "3163 ELS xri-sgl count unchanged: %d\n",
3342 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3344 /* update xris to els sgls on the list */
3346 sglq_entry_next
= NULL
;
3347 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3348 &phba
->sli4_hba
.lpfc_els_sgl_list
, list
) {
3349 lxri
= lpfc_sli4_next_xritag(phba
);
3350 if (lxri
== NO_XRI
) {
3351 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3352 "2400 Failed to allocate xri for "
3357 sglq_entry
->sli4_lxritag
= lxri
;
3358 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3363 lpfc_free_els_sgl_list(phba
);
3368 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping
3369 * @phba: pointer to lpfc hba data structure.
3371 * This routine first calculates the sizes of the current els and allocated
3372 * scsi sgl lists, and then goes through all sgls to updates the physical
3373 * XRIs assigned due to port function reset. During port initialization, the
3374 * current els and allocated scsi sgl lists are 0s.
3377 * 0 - successful (for now, it always returns 0)
3380 lpfc_sli4_nvmet_sgl_update(struct lpfc_hba
*phba
)
3382 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3383 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3384 uint16_t nvmet_xri_cnt
;
3385 LIST_HEAD(nvmet_sgl_list
);
3389 * update on pci function's nvmet xri-sgl list
3391 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3393 /* For NVMET, ALL remaining XRIs are dedicated for IO processing */
3394 nvmet_xri_cnt
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3396 if (nvmet_xri_cnt
> phba
->sli4_hba
.nvmet_xri_cnt
) {
3397 /* els xri-sgl expanded */
3398 xri_cnt
= nvmet_xri_cnt
- phba
->sli4_hba
.nvmet_xri_cnt
;
3399 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3400 "6302 NVMET xri-sgl cnt grew from %d to %d\n",
3401 phba
->sli4_hba
.nvmet_xri_cnt
, nvmet_xri_cnt
);
3402 /* allocate the additional nvmet sgls */
3403 for (i
= 0; i
< xri_cnt
; i
++) {
3404 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3406 if (sglq_entry
== NULL
) {
3407 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3408 "6303 Failure to allocate an "
3409 "NVMET sgl entry:%d\n", i
);
3413 sglq_entry
->buff_type
= NVMET_BUFF_TYPE
;
3414 sglq_entry
->virt
= lpfc_nvmet_buf_alloc(phba
, 0,
3416 if (sglq_entry
->virt
== NULL
) {
3418 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3419 "6304 Failure to allocate an "
3420 "NVMET buf:%d\n", i
);
3424 sglq_entry
->sgl
= sglq_entry
->virt
;
3425 memset(sglq_entry
->sgl
, 0,
3426 phba
->cfg_sg_dma_buf_size
);
3427 sglq_entry
->state
= SGL_FREED
;
3428 list_add_tail(&sglq_entry
->list
, &nvmet_sgl_list
);
3430 spin_lock_irq(&phba
->hbalock
);
3431 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3432 list_splice_init(&nvmet_sgl_list
,
3433 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3434 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3435 spin_unlock_irq(&phba
->hbalock
);
3436 } else if (nvmet_xri_cnt
< phba
->sli4_hba
.nvmet_xri_cnt
) {
3437 /* nvmet xri-sgl shrunk */
3438 xri_cnt
= phba
->sli4_hba
.nvmet_xri_cnt
- nvmet_xri_cnt
;
3439 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3440 "6305 NVMET xri-sgl count decreased from "
3441 "%d to %d\n", phba
->sli4_hba
.nvmet_xri_cnt
,
3443 spin_lock_irq(&phba
->hbalock
);
3444 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3445 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
,
3447 /* release extra nvmet sgls from list */
3448 for (i
= 0; i
< xri_cnt
; i
++) {
3449 list_remove_head(&nvmet_sgl_list
,
3450 sglq_entry
, struct lpfc_sglq
, list
);
3452 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
,
3457 list_splice_init(&nvmet_sgl_list
,
3458 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3459 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3460 spin_unlock_irq(&phba
->hbalock
);
3462 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3463 "6306 NVMET xri-sgl count unchanged: %d\n",
3465 phba
->sli4_hba
.nvmet_xri_cnt
= nvmet_xri_cnt
;
3467 /* update xris to nvmet sgls on the list */
3469 sglq_entry_next
= NULL
;
3470 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3471 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
, list
) {
3472 lxri
= lpfc_sli4_next_xritag(phba
);
3473 if (lxri
== NO_XRI
) {
3474 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3475 "6307 Failed to allocate xri for "
3480 sglq_entry
->sli4_lxritag
= lxri
;
3481 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3486 lpfc_free_nvmet_sgl_list(phba
);
3491 * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping
3492 * @phba: pointer to lpfc hba data structure.
3494 * This routine first calculates the sizes of the current els and allocated
3495 * scsi sgl lists, and then goes through all sgls to updates the physical
3496 * XRIs assigned due to port function reset. During port initialization, the
3497 * current els and allocated scsi sgl lists are 0s.
3500 * 0 - successful (for now, it always returns 0)
3503 lpfc_sli4_scsi_sgl_update(struct lpfc_hba
*phba
)
3505 struct lpfc_scsi_buf
*psb
, *psb_next
;
3506 uint16_t i
, lxri
, els_xri_cnt
, scsi_xri_cnt
;
3507 LIST_HEAD(scsi_sgl_list
);
3511 * update on pci function's els xri-sgl list
3513 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3514 phba
->total_scsi_bufs
= 0;
3517 * update on pci function's allocated scsi xri-sgl list
3519 /* maximum number of xris available for scsi buffers */
3520 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3523 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
3526 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
3527 phba
->sli4_hba
.scsi_xri_max
= /* Split them up */
3528 (phba
->sli4_hba
.scsi_xri_max
*
3529 phba
->cfg_xri_split
) / 100;
3531 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3532 spin_lock(&phba
->scsi_buf_list_put_lock
);
3533 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3534 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3535 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3536 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3538 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3539 "6060 Current allocated SCSI xri-sgl count:%d, "
3540 "maximum SCSI xri count:%d (split:%d)\n",
3541 phba
->sli4_hba
.scsi_xri_cnt
,
3542 phba
->sli4_hba
.scsi_xri_max
, phba
->cfg_xri_split
);
3544 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3545 /* max scsi xri shrinked below the allocated scsi buffers */
3546 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3547 phba
->sli4_hba
.scsi_xri_max
;
3548 /* release the extra allocated scsi buffers */
3549 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3550 list_remove_head(&scsi_sgl_list
, psb
,
3551 struct lpfc_scsi_buf
, list
);
3553 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3554 psb
->data
, psb
->dma_handle
);
3558 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3559 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3560 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3563 /* update xris associated to remaining allocated scsi buffers */
3566 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3567 lxri
= lpfc_sli4_next_xritag(phba
);
3568 if (lxri
== NO_XRI
) {
3569 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3570 "2560 Failed to allocate xri for "
3575 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3576 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3578 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3579 spin_lock(&phba
->scsi_buf_list_put_lock
);
3580 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3581 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3582 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3583 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3587 lpfc_scsi_free(phba
);
3592 lpfc_get_wwpn(struct lpfc_hba
*phba
)
3596 LPFC_MBOXQ_t
*mboxq
;
3599 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
3600 /* Reset the port first */
3601 lpfc_sli_brdrestart(phba
);
3602 rc
= lpfc_sli_chipset_init(phba
);
3604 return (uint64_t)-1;
3607 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
3610 return (uint64_t)-1;
3612 /* First get WWN of HBA instance */
3613 lpfc_read_nv(phba
, mboxq
);
3614 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
3615 if (rc
!= MBX_SUCCESS
) {
3616 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3617 "6019 Mailbox failed , mbxCmd x%x "
3618 "READ_NV, mbxStatus x%x\n",
3619 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
3620 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
3621 mempool_free(mboxq
, phba
->mbox_mem_pool
);
3622 return (uint64_t) -1;
3625 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
, sizeof(uint64_t));
3626 /* wwn is WWPN of HBA instance */
3627 mempool_free(mboxq
, phba
->mbox_mem_pool
);
3628 if (phba
->sli_rev
== LPFC_SLI_REV4
)
3629 return be64_to_cpu(wwn
);
3631 return (((wwn
& 0xffffffff00000000) >> 32) |
3632 ((wwn
& 0x00000000ffffffff) << 32));
3637 * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping
3638 * @phba: pointer to lpfc hba data structure.
3640 * This routine first calculates the sizes of the current els and allocated
3641 * scsi sgl lists, and then goes through all sgls to updates the physical
3642 * XRIs assigned due to port function reset. During port initialization, the
3643 * current els and allocated scsi sgl lists are 0s.
3646 * 0 - successful (for now, it always returns 0)
3649 lpfc_sli4_nvme_sgl_update(struct lpfc_hba
*phba
)
3651 struct lpfc_nvme_buf
*lpfc_ncmd
= NULL
, *lpfc_ncmd_next
= NULL
;
3652 uint16_t i
, lxri
, els_xri_cnt
;
3653 uint16_t nvme_xri_cnt
, nvme_xri_max
;
3654 LIST_HEAD(nvme_sgl_list
);
3657 phba
->total_nvme_bufs
= 0;
3659 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
))
3662 * update on pci function's allocated nvme xri-sgl list
3665 /* maximum number of xris available for nvme buffers */
3666 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3667 nvme_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3668 phba
->sli4_hba
.nvme_xri_max
= nvme_xri_max
;
3669 phba
->sli4_hba
.nvme_xri_max
-= phba
->sli4_hba
.scsi_xri_max
;
3671 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3672 "6074 Current allocated NVME xri-sgl count:%d, "
3673 "maximum NVME xri count:%d\n",
3674 phba
->sli4_hba
.nvme_xri_cnt
,
3675 phba
->sli4_hba
.nvme_xri_max
);
3677 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3678 spin_lock(&phba
->nvme_buf_list_put_lock
);
3679 list_splice_init(&phba
->lpfc_nvme_buf_list_get
, &nvme_sgl_list
);
3680 list_splice(&phba
->lpfc_nvme_buf_list_put
, &nvme_sgl_list
);
3681 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3682 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3684 if (phba
->sli4_hba
.nvme_xri_cnt
> phba
->sli4_hba
.nvme_xri_max
) {
3685 /* max nvme xri shrunk below the allocated nvme buffers */
3686 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3687 nvme_xri_cnt
= phba
->sli4_hba
.nvme_xri_cnt
-
3688 phba
->sli4_hba
.nvme_xri_max
;
3689 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3690 /* release the extra allocated nvme buffers */
3691 for (i
= 0; i
< nvme_xri_cnt
; i
++) {
3692 list_remove_head(&nvme_sgl_list
, lpfc_ncmd
,
3693 struct lpfc_nvme_buf
, list
);
3695 pci_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3697 lpfc_ncmd
->dma_handle
);
3701 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3702 phba
->sli4_hba
.nvme_xri_cnt
-= nvme_xri_cnt
;
3703 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3706 /* update xris associated to remaining allocated nvme buffers */
3708 lpfc_ncmd_next
= NULL
;
3709 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3710 &nvme_sgl_list
, list
) {
3711 lxri
= lpfc_sli4_next_xritag(phba
);
3712 if (lxri
== NO_XRI
) {
3713 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3714 "6075 Failed to allocate xri for "
3719 lpfc_ncmd
->cur_iocbq
.sli4_lxritag
= lxri
;
3720 lpfc_ncmd
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3722 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3723 spin_lock(&phba
->nvme_buf_list_put_lock
);
3724 list_splice_init(&nvme_sgl_list
, &phba
->lpfc_nvme_buf_list_get
);
3725 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_put
);
3726 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3727 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3731 lpfc_nvme_free(phba
);
3736 * lpfc_create_port - Create an FC port
3737 * @phba: pointer to lpfc hba data structure.
3738 * @instance: a unique integer ID to this FC port.
3739 * @dev: pointer to the device data structure.
3741 * This routine creates a FC port for the upper layer protocol. The FC port
3742 * can be created on top of either a physical port or a virtual port provided
3743 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3744 * and associates the FC port created before adding the shost into the SCSI
3748 * @vport - pointer to the virtual N_Port data structure.
3749 * NULL - port create failed.
3752 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3754 struct lpfc_vport
*vport
;
3755 struct Scsi_Host
*shost
= NULL
;
3759 bool use_no_reset_hba
= false;
3761 wwn
= lpfc_get_wwpn(phba
);
3763 for (i
= 0; i
< lpfc_no_hba_reset_cnt
; i
++) {
3764 if (wwn
== lpfc_no_hba_reset
[i
]) {
3765 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3766 "6020 Setting use_no_reset port=%llx\n",
3768 use_no_reset_hba
= true;
3773 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
3774 if (dev
!= &phba
->pcidev
->dev
) {
3775 shost
= scsi_host_alloc(&lpfc_vport_template
,
3776 sizeof(struct lpfc_vport
));
3778 if (!use_no_reset_hba
)
3779 shost
= scsi_host_alloc(&lpfc_template
,
3780 sizeof(struct lpfc_vport
));
3782 shost
= scsi_host_alloc(&lpfc_template_no_hr
,
3783 sizeof(struct lpfc_vport
));
3785 } else if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
3786 shost
= scsi_host_alloc(&lpfc_template_nvme
,
3787 sizeof(struct lpfc_vport
));
3792 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3794 vport
->load_flag
|= FC_LOADING
;
3795 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3796 vport
->fc_rscn_flush
= 0;
3797 lpfc_get_vport_cfgparam(vport
);
3799 shost
->unique_id
= instance
;
3800 shost
->max_id
= LPFC_MAX_TARGET
;
3801 shost
->max_lun
= vport
->cfg_max_luns
;
3802 shost
->this_id
= -1;
3803 shost
->max_cmd_len
= 16;
3804 shost
->nr_hw_queues
= phba
->cfg_fcp_io_channel
;
3805 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3806 shost
->dma_boundary
=
3807 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3808 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3812 * Set initial can_queue value since 0 is no longer supported and
3813 * scsi_add_host will fail. This will be adjusted later based on the
3814 * max xri value determined in hba setup.
3816 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3817 if (dev
!= &phba
->pcidev
->dev
) {
3818 shost
->transportt
= lpfc_vport_transport_template
;
3819 vport
->port_type
= LPFC_NPIV_PORT
;
3821 shost
->transportt
= lpfc_transport_template
;
3822 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3825 /* Initialize all internally managed lists. */
3826 INIT_LIST_HEAD(&vport
->fc_nodes
);
3827 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3828 spin_lock_init(&vport
->work_port_lock
);
3830 setup_timer(&vport
->fc_disctmo
, lpfc_disc_timeout
,
3831 (unsigned long)vport
);
3833 setup_timer(&vport
->els_tmofunc
, lpfc_els_timeout
,
3834 (unsigned long)vport
);
3836 setup_timer(&vport
->delayed_disc_tmo
, lpfc_delayed_disc_tmo
,
3837 (unsigned long)vport
);
3839 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3843 spin_lock_irq(&phba
->hbalock
);
3844 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3845 spin_unlock_irq(&phba
->hbalock
);
3849 scsi_host_put(shost
);
3855 * destroy_port - destroy an FC port
3856 * @vport: pointer to an lpfc virtual N_Port data structure.
3858 * This routine destroys a FC port from the upper layer protocol. All the
3859 * resources associated with the port are released.
3862 destroy_port(struct lpfc_vport
*vport
)
3864 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3865 struct lpfc_hba
*phba
= vport
->phba
;
3867 lpfc_debugfs_terminate(vport
);
3868 fc_remove_host(shost
);
3869 scsi_remove_host(shost
);
3871 spin_lock_irq(&phba
->hbalock
);
3872 list_del_init(&vport
->listentry
);
3873 spin_unlock_irq(&phba
->hbalock
);
3875 lpfc_cleanup(vport
);
3880 * lpfc_get_instance - Get a unique integer ID
3882 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3883 * uses the kernel idr facility to perform the task.
3886 * instance - a unique integer ID allocated as the new instance.
3887 * -1 - lpfc get instance failed.
3890 lpfc_get_instance(void)
3894 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3895 return ret
< 0 ? -1 : ret
;
3899 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3900 * @shost: pointer to SCSI host data structure.
3901 * @time: elapsed time of the scan in jiffies.
3903 * This routine is called by the SCSI layer with a SCSI host to determine
3904 * whether the scan host is finished.
3906 * Note: there is no scan_start function as adapter initialization will have
3907 * asynchronously kicked off the link initialization.
3910 * 0 - SCSI host scan is not over yet.
3911 * 1 - SCSI host scan is over.
3913 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3915 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3916 struct lpfc_hba
*phba
= vport
->phba
;
3919 spin_lock_irq(shost
->host_lock
);
3921 if (vport
->load_flag
& FC_UNLOADING
) {
3925 if (time
>= msecs_to_jiffies(30 * 1000)) {
3926 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3927 "0461 Scanning longer than 30 "
3928 "seconds. Continuing initialization\n");
3932 if (time
>= msecs_to_jiffies(15 * 1000) &&
3933 phba
->link_state
<= LPFC_LINK_DOWN
) {
3934 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3935 "0465 Link down longer than 15 "
3936 "seconds. Continuing initialization\n");
3941 if (vport
->port_state
!= LPFC_VPORT_READY
)
3943 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3945 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3947 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3953 spin_unlock_irq(shost
->host_lock
);
3958 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3959 * @shost: pointer to SCSI host data structure.
3961 * This routine initializes a given SCSI host attributes on a FC port. The
3962 * SCSI host can be either on top of a physical port or a virtual port.
3964 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3966 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3967 struct lpfc_hba
*phba
= vport
->phba
;
3969 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3972 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3973 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3974 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3976 memset(fc_host_supported_fc4s(shost
), 0,
3977 sizeof(fc_host_supported_fc4s(shost
)));
3978 fc_host_supported_fc4s(shost
)[2] = 1;
3979 fc_host_supported_fc4s(shost
)[7] = 1;
3981 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3982 sizeof fc_host_symbolic_name(shost
));
3984 fc_host_supported_speeds(shost
) = 0;
3985 if (phba
->lmt
& LMT_32Gb
)
3986 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_32GBIT
;
3987 if (phba
->lmt
& LMT_16Gb
)
3988 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3989 if (phba
->lmt
& LMT_10Gb
)
3990 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3991 if (phba
->lmt
& LMT_8Gb
)
3992 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3993 if (phba
->lmt
& LMT_4Gb
)
3994 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3995 if (phba
->lmt
& LMT_2Gb
)
3996 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3997 if (phba
->lmt
& LMT_1Gb
)
3998 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
4000 fc_host_maxframe_size(shost
) =
4001 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
4002 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
4004 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
4006 /* This value is also unchanging */
4007 memset(fc_host_active_fc4s(shost
), 0,
4008 sizeof(fc_host_active_fc4s(shost
)));
4009 fc_host_active_fc4s(shost
)[2] = 1;
4010 fc_host_active_fc4s(shost
)[7] = 1;
4012 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
4013 spin_lock_irq(shost
->host_lock
);
4014 vport
->load_flag
&= ~FC_LOADING
;
4015 spin_unlock_irq(shost
->host_lock
);
4019 * lpfc_stop_port_s3 - Stop SLI3 device port
4020 * @phba: pointer to lpfc hba data structure.
4022 * This routine is invoked to stop an SLI3 device port, it stops the device
4023 * from generating interrupts and stops the device driver's timers for the
4027 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
4029 /* Clear all interrupt enable conditions */
4030 writel(0, phba
->HCregaddr
);
4031 readl(phba
->HCregaddr
); /* flush */
4032 /* Clear all pending interrupts */
4033 writel(0xffffffff, phba
->HAregaddr
);
4034 readl(phba
->HAregaddr
); /* flush */
4036 /* Reset some HBA SLI setup states */
4037 lpfc_stop_hba_timers(phba
);
4038 phba
->pport
->work_port_events
= 0;
4042 * lpfc_stop_port_s4 - Stop SLI4 device port
4043 * @phba: pointer to lpfc hba data structure.
4045 * This routine is invoked to stop an SLI4 device port, it stops the device
4046 * from generating interrupts and stops the device driver's timers for the
4050 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
4052 /* Reset some HBA SLI4 setup states */
4053 lpfc_stop_hba_timers(phba
);
4054 phba
->pport
->work_port_events
= 0;
4055 phba
->sli4_hba
.intr_enable
= 0;
4059 * lpfc_stop_port - Wrapper function for stopping hba port
4060 * @phba: Pointer to HBA context object.
4062 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
4063 * the API jump table function pointer from the lpfc_hba struct.
4066 lpfc_stop_port(struct lpfc_hba
*phba
)
4068 phba
->lpfc_stop_port(phba
);
4072 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
4073 * @phba: Pointer to hba for which this call is being executed.
4075 * This routine starts the timer waiting for the FCF rediscovery to complete.
4078 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
4080 unsigned long fcf_redisc_wait_tmo
=
4081 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
4082 /* Start fcf rediscovery wait period timer */
4083 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
4084 spin_lock_irq(&phba
->hbalock
);
4085 /* Allow action to new fcf asynchronous event */
4086 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
4087 /* Mark the FCF rediscovery pending state */
4088 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
4089 spin_unlock_irq(&phba
->hbalock
);
4093 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
4094 * @ptr: Map to lpfc_hba data structure pointer.
4096 * This routine is invoked when waiting for FCF table rediscover has been
4097 * timed out. If new FCF record(s) has (have) been discovered during the
4098 * wait period, a new FCF event shall be added to the FCOE async event
4099 * list, and then worker thread shall be waked up for processing from the
4100 * worker thread context.
4103 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
4105 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
4107 /* Don't send FCF rediscovery event if timer cancelled */
4108 spin_lock_irq(&phba
->hbalock
);
4109 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
4110 spin_unlock_irq(&phba
->hbalock
);
4113 /* Clear FCF rediscovery timer pending flag */
4114 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
4115 /* FCF rediscovery event to worker thread */
4116 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
4117 spin_unlock_irq(&phba
->hbalock
);
4118 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
4119 "2776 FCF rediscover quiescent timer expired\n");
4120 /* wake up worker thread */
4121 lpfc_worker_wake_up(phba
);
4125 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
4126 * @phba: pointer to lpfc hba data structure.
4127 * @acqe_link: pointer to the async link completion queue entry.
4129 * This routine is to parse the SLI4 link-attention link fault code and
4130 * translate it into the base driver's read link attention mailbox command
4133 * Return: Link-attention status in terms of base driver's coding.
4136 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
4137 struct lpfc_acqe_link
*acqe_link
)
4139 uint16_t latt_fault
;
4141 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
4142 case LPFC_ASYNC_LINK_FAULT_NONE
:
4143 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
4144 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
4148 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4149 "0398 Invalid link fault code: x%x\n",
4150 bf_get(lpfc_acqe_link_fault
, acqe_link
));
4151 latt_fault
= MBXERR_ERROR
;
4158 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
4159 * @phba: pointer to lpfc hba data structure.
4160 * @acqe_link: pointer to the async link completion queue entry.
4162 * This routine is to parse the SLI4 link attention type and translate it
4163 * into the base driver's link attention type coding.
4165 * Return: Link attention type in terms of base driver's coding.
4168 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
4169 struct lpfc_acqe_link
*acqe_link
)
4173 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
4174 case LPFC_ASYNC_LINK_STATUS_DOWN
:
4175 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
4176 att_type
= LPFC_ATT_LINK_DOWN
;
4178 case LPFC_ASYNC_LINK_STATUS_UP
:
4179 /* Ignore physical link up events - wait for logical link up */
4180 att_type
= LPFC_ATT_RESERVED
;
4182 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
4183 att_type
= LPFC_ATT_LINK_UP
;
4186 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4187 "0399 Invalid link attention type: x%x\n",
4188 bf_get(lpfc_acqe_link_status
, acqe_link
));
4189 att_type
= LPFC_ATT_RESERVED
;
4196 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
4197 * @phba: pointer to lpfc hba data structure.
4199 * This routine is to get an SLI3 FC port's link speed in Mbps.
4201 * Return: link speed in terms of Mbps.
4204 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
4206 uint32_t link_speed
;
4208 if (!lpfc_is_link_up(phba
))
4211 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
4212 switch (phba
->fc_linkspeed
) {
4213 case LPFC_LINK_SPEED_1GHZ
:
4216 case LPFC_LINK_SPEED_2GHZ
:
4219 case LPFC_LINK_SPEED_4GHZ
:
4222 case LPFC_LINK_SPEED_8GHZ
:
4225 case LPFC_LINK_SPEED_10GHZ
:
4228 case LPFC_LINK_SPEED_16GHZ
:
4235 if (phba
->sli4_hba
.link_state
.logical_speed
)
4237 phba
->sli4_hba
.link_state
.logical_speed
;
4239 link_speed
= phba
->sli4_hba
.link_state
.speed
;
4245 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
4246 * @phba: pointer to lpfc hba data structure.
4247 * @evt_code: asynchronous event code.
4248 * @speed_code: asynchronous event link speed code.
4250 * This routine is to parse the giving SLI4 async event link speed code into
4251 * value of Mbps for the link speed.
4253 * Return: link speed in terms of Mbps.
4256 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
4259 uint32_t port_speed
;
4262 case LPFC_TRAILER_CODE_LINK
:
4263 switch (speed_code
) {
4264 case LPFC_ASYNC_LINK_SPEED_ZERO
:
4267 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
4270 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
4273 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
4276 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
4279 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
4282 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
4285 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
4292 case LPFC_TRAILER_CODE_FC
:
4293 switch (speed_code
) {
4294 case LPFC_FC_LA_SPEED_UNKNOWN
:
4297 case LPFC_FC_LA_SPEED_1G
:
4300 case LPFC_FC_LA_SPEED_2G
:
4303 case LPFC_FC_LA_SPEED_4G
:
4306 case LPFC_FC_LA_SPEED_8G
:
4309 case LPFC_FC_LA_SPEED_10G
:
4312 case LPFC_FC_LA_SPEED_16G
:
4315 case LPFC_FC_LA_SPEED_32G
:
4329 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
4330 * @phba: pointer to lpfc hba data structure.
4331 * @acqe_link: pointer to the async link completion queue entry.
4333 * This routine is to handle the SLI4 asynchronous FCoE link event.
4336 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
4337 struct lpfc_acqe_link
*acqe_link
)
4339 struct lpfc_dmabuf
*mp
;
4342 struct lpfc_mbx_read_top
*la
;
4346 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
4347 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
4349 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
4350 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4352 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4353 "0395 The mboxq allocation failed\n");
4356 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4358 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4359 "0396 The lpfc_dmabuf allocation failed\n");
4362 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4364 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4365 "0397 The mbuf allocation failed\n");
4366 goto out_free_dmabuf
;
4369 /* Cleanup any outstanding ELS commands */
4370 lpfc_els_flush_all_cmd(phba
);
4372 /* Block ELS IOCBs until we have done process link event */
4373 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
4375 /* Update link event statistics */
4376 phba
->sli
.slistat
.link_event
++;
4378 /* Create lpfc_handle_latt mailbox command from link ACQE */
4379 lpfc_read_topology(phba
, pmb
, mp
);
4380 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4381 pmb
->vport
= phba
->pport
;
4383 /* Keep the link status for extra SLI4 state machine reference */
4384 phba
->sli4_hba
.link_state
.speed
=
4385 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
4386 bf_get(lpfc_acqe_link_speed
, acqe_link
));
4387 phba
->sli4_hba
.link_state
.duplex
=
4388 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
4389 phba
->sli4_hba
.link_state
.status
=
4390 bf_get(lpfc_acqe_link_status
, acqe_link
);
4391 phba
->sli4_hba
.link_state
.type
=
4392 bf_get(lpfc_acqe_link_type
, acqe_link
);
4393 phba
->sli4_hba
.link_state
.number
=
4394 bf_get(lpfc_acqe_link_number
, acqe_link
);
4395 phba
->sli4_hba
.link_state
.fault
=
4396 bf_get(lpfc_acqe_link_fault
, acqe_link
);
4397 phba
->sli4_hba
.link_state
.logical_speed
=
4398 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
4400 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4401 "2900 Async FC/FCoE Link event - Speed:%dGBit "
4402 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
4403 "Logical speed:%dMbps Fault:%d\n",
4404 phba
->sli4_hba
.link_state
.speed
,
4405 phba
->sli4_hba
.link_state
.topology
,
4406 phba
->sli4_hba
.link_state
.status
,
4407 phba
->sli4_hba
.link_state
.type
,
4408 phba
->sli4_hba
.link_state
.number
,
4409 phba
->sli4_hba
.link_state
.logical_speed
,
4410 phba
->sli4_hba
.link_state
.fault
);
4412 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
4413 * topology info. Note: Optional for non FC-AL ports.
4415 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
4416 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4417 if (rc
== MBX_NOT_FINISHED
)
4418 goto out_free_dmabuf
;
4422 * For FCoE Mode: fill in all the topology information we need and call
4423 * the READ_TOPOLOGY completion routine to continue without actually
4424 * sending the READ_TOPOLOGY mailbox command to the port.
4426 /* Parse and translate status field */
4428 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
4430 /* Parse and translate link attention fields */
4431 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
4432 la
->eventTag
= acqe_link
->event_tag
;
4433 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
4434 bf_set(lpfc_mbx_read_top_link_spd
, la
,
4435 (bf_get(lpfc_acqe_link_speed
, acqe_link
)));
4437 /* Fake the the following irrelvant fields */
4438 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
4439 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
4440 bf_set(lpfc_mbx_read_top_il
, la
, 0);
4441 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
4442 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
4443 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
4445 /* Invoke the lpfc_handle_latt mailbox command callback function */
4446 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4453 mempool_free(pmb
, phba
->mbox_mem_pool
);
4457 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
4458 * @phba: pointer to lpfc hba data structure.
4459 * @acqe_fc: pointer to the async fc completion queue entry.
4461 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
4462 * that the event was received and then issue a read_topology mailbox command so
4463 * that the rest of the driver will treat it the same as SLI3.
4466 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
4468 struct lpfc_dmabuf
*mp
;
4471 struct lpfc_mbx_read_top
*la
;
4474 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
4475 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
4476 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4477 "2895 Non FC link Event detected.(%d)\n",
4478 bf_get(lpfc_trailer_type
, acqe_fc
));
4481 /* Keep the link status for extra SLI4 state machine reference */
4482 phba
->sli4_hba
.link_state
.speed
=
4483 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
4484 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
4485 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
4486 phba
->sli4_hba
.link_state
.topology
=
4487 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
4488 phba
->sli4_hba
.link_state
.status
=
4489 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
4490 phba
->sli4_hba
.link_state
.type
=
4491 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
4492 phba
->sli4_hba
.link_state
.number
=
4493 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
4494 phba
->sli4_hba
.link_state
.fault
=
4495 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
4496 phba
->sli4_hba
.link_state
.logical_speed
=
4497 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
4498 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4499 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
4500 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
4501 "%dMbps Fault:%d\n",
4502 phba
->sli4_hba
.link_state
.speed
,
4503 phba
->sli4_hba
.link_state
.topology
,
4504 phba
->sli4_hba
.link_state
.status
,
4505 phba
->sli4_hba
.link_state
.type
,
4506 phba
->sli4_hba
.link_state
.number
,
4507 phba
->sli4_hba
.link_state
.logical_speed
,
4508 phba
->sli4_hba
.link_state
.fault
);
4509 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4511 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4512 "2897 The mboxq allocation failed\n");
4515 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4517 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4518 "2898 The lpfc_dmabuf allocation failed\n");
4521 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4523 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4524 "2899 The mbuf allocation failed\n");
4525 goto out_free_dmabuf
;
4528 /* Cleanup any outstanding ELS commands */
4529 lpfc_els_flush_all_cmd(phba
);
4531 /* Block ELS IOCBs until we have done process link event */
4532 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
4534 /* Update link event statistics */
4535 phba
->sli
.slistat
.link_event
++;
4537 /* Create lpfc_handle_latt mailbox command from link ACQE */
4538 lpfc_read_topology(phba
, pmb
, mp
);
4539 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4540 pmb
->vport
= phba
->pport
;
4542 if (phba
->sli4_hba
.link_state
.status
!= LPFC_FC_LA_TYPE_LINK_UP
) {
4543 phba
->link_flag
&= ~(LS_MDS_LINK_DOWN
| LS_MDS_LOOPBACK
);
4545 switch (phba
->sli4_hba
.link_state
.status
) {
4546 case LPFC_FC_LA_TYPE_MDS_LINK_DOWN
:
4547 phba
->link_flag
|= LS_MDS_LINK_DOWN
;
4549 case LPFC_FC_LA_TYPE_MDS_LOOPBACK
:
4550 phba
->link_flag
|= LS_MDS_LOOPBACK
;
4556 /* Parse and translate status field */
4558 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
,
4561 /* Parse and translate link attention fields */
4562 la
= (struct lpfc_mbx_read_top
*)&pmb
->u
.mb
.un
.varReadTop
;
4563 la
->eventTag
= acqe_fc
->event_tag
;
4565 if (phba
->sli4_hba
.link_state
.status
==
4566 LPFC_FC_LA_TYPE_UNEXP_WWPN
) {
4567 bf_set(lpfc_mbx_read_top_att_type
, la
,
4568 LPFC_FC_LA_TYPE_UNEXP_WWPN
);
4570 bf_set(lpfc_mbx_read_top_att_type
, la
,
4571 LPFC_FC_LA_TYPE_LINK_DOWN
);
4573 /* Invoke the mailbox command callback function */
4574 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4579 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4580 if (rc
== MBX_NOT_FINISHED
)
4581 goto out_free_dmabuf
;
4587 mempool_free(pmb
, phba
->mbox_mem_pool
);
4591 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4592 * @phba: pointer to lpfc hba data structure.
4593 * @acqe_fc: pointer to the async SLI completion queue entry.
4595 * This routine is to handle the SLI4 asynchronous SLI events.
4598 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
4604 uint8_t operational
= 0;
4605 struct temp_event temp_event_data
;
4606 struct lpfc_acqe_misconfigured_event
*misconfigured
;
4607 struct Scsi_Host
*shost
;
4609 evt_type
= bf_get(lpfc_trailer_type
, acqe_sli
);
4611 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4612 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4613 "x%08x SLI Event Type:%d\n",
4614 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4617 port_name
= phba
->Port
[0];
4618 if (port_name
== 0x00)
4619 port_name
= '?'; /* get port name is empty */
4622 case LPFC_SLI_EVENT_TYPE_OVER_TEMP
:
4623 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4624 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
4625 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4627 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4628 "3190 Over Temperature:%d Celsius- Port Name %c\n",
4629 acqe_sli
->event_data1
, port_name
);
4631 phba
->sfp_warning
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
4632 shost
= lpfc_shost_from_vport(phba
->pport
);
4633 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4634 sizeof(temp_event_data
),
4635 (char *)&temp_event_data
,
4636 SCSI_NL_VID_TYPE_PCI
4637 | PCI_VENDOR_ID_EMULEX
);
4639 case LPFC_SLI_EVENT_TYPE_NORM_TEMP
:
4640 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4641 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
4642 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4644 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4645 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
4646 acqe_sli
->event_data1
, port_name
);
4648 shost
= lpfc_shost_from_vport(phba
->pport
);
4649 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4650 sizeof(temp_event_data
),
4651 (char *)&temp_event_data
,
4652 SCSI_NL_VID_TYPE_PCI
4653 | PCI_VENDOR_ID_EMULEX
);
4655 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED
:
4656 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
4657 &acqe_sli
->event_data1
;
4659 /* fetch the status for this port */
4660 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4661 case LPFC_LINK_NUMBER_0
:
4662 status
= bf_get(lpfc_sli_misconfigured_port0_state
,
4663 &misconfigured
->theEvent
);
4664 operational
= bf_get(lpfc_sli_misconfigured_port0_op
,
4665 &misconfigured
->theEvent
);
4667 case LPFC_LINK_NUMBER_1
:
4668 status
= bf_get(lpfc_sli_misconfigured_port1_state
,
4669 &misconfigured
->theEvent
);
4670 operational
= bf_get(lpfc_sli_misconfigured_port1_op
,
4671 &misconfigured
->theEvent
);
4673 case LPFC_LINK_NUMBER_2
:
4674 status
= bf_get(lpfc_sli_misconfigured_port2_state
,
4675 &misconfigured
->theEvent
);
4676 operational
= bf_get(lpfc_sli_misconfigured_port2_op
,
4677 &misconfigured
->theEvent
);
4679 case LPFC_LINK_NUMBER_3
:
4680 status
= bf_get(lpfc_sli_misconfigured_port3_state
,
4681 &misconfigured
->theEvent
);
4682 operational
= bf_get(lpfc_sli_misconfigured_port3_op
,
4683 &misconfigured
->theEvent
);
4686 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4688 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
4689 "event: Invalid link %d",
4690 phba
->sli4_hba
.lnk_info
.lnk_no
);
4694 /* Skip if optic state unchanged */
4695 if (phba
->sli4_hba
.lnk_info
.optic_state
== status
)
4699 case LPFC_SLI_EVENT_STATUS_VALID
:
4700 sprintf(message
, "Physical Link is functional");
4702 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
4703 sprintf(message
, "Optics faulted/incorrectly "
4704 "installed/not installed - Reseat optics, "
4705 "if issue not resolved, replace.");
4707 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
4709 "Optics of two types installed - Remove one "
4710 "optic or install matching pair of optics.");
4712 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
4713 sprintf(message
, "Incompatible optics - Replace with "
4714 "compatible optics for card to function.");
4716 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED
:
4717 sprintf(message
, "Unqualified optics - Replace with "
4718 "Avago optics for Warranty and Technical "
4719 "Support - Link is%s operational",
4720 (operational
) ? " not" : "");
4722 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED
:
4723 sprintf(message
, "Uncertified optics - Replace with "
4724 "Avago-certified optics to enable link "
4725 "operation - Link is%s operational",
4726 (operational
) ? " not" : "");
4729 /* firmware is reporting a status we don't know about */
4730 sprintf(message
, "Unknown event status x%02x", status
);
4733 phba
->sli4_hba
.lnk_info
.optic_state
= status
;
4734 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4735 "3176 Port Name %c %s\n", port_name
, message
);
4737 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT
:
4738 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4739 "3192 Remote DPort Test Initiated - "
4740 "Event Data1:x%08x Event Data2: x%08x\n",
4741 acqe_sli
->event_data1
, acqe_sli
->event_data2
);
4744 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4745 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
4746 "x%08x SLI Event Type:%d\n",
4747 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4754 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4755 * @vport: pointer to vport data structure.
4757 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4758 * response to a CVL event.
4760 * Return the pointer to the ndlp with the vport if successful, otherwise
4763 static struct lpfc_nodelist
*
4764 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
4766 struct lpfc_nodelist
*ndlp
;
4767 struct Scsi_Host
*shost
;
4768 struct lpfc_hba
*phba
;
4775 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
4777 /* Cannot find existing Fabric ndlp, so allocate a new one */
4778 ndlp
= lpfc_nlp_init(vport
, Fabric_DID
);
4781 /* Set the node type */
4782 ndlp
->nlp_type
|= NLP_FABRIC
;
4783 /* Put ndlp onto node list */
4784 lpfc_enqueue_node(vport
, ndlp
);
4785 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4786 /* re-setup ndlp without removing from node list */
4787 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4791 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4792 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4794 /* If virtual link is not yet instantiated ignore CVL */
4795 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4796 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4798 shost
= lpfc_shost_from_vport(vport
);
4801 lpfc_linkdown_port(vport
);
4802 lpfc_cleanup_pending_mbox(vport
);
4803 spin_lock_irq(shost
->host_lock
);
4804 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4805 spin_unlock_irq(shost
->host_lock
);
4811 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4812 * @vport: pointer to lpfc hba data structure.
4814 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4815 * response to a FCF dead event.
4818 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4820 struct lpfc_vport
**vports
;
4823 vports
= lpfc_create_vport_work_array(phba
);
4825 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4826 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4827 lpfc_destroy_vport_work_array(phba
, vports
);
4831 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4832 * @phba: pointer to lpfc hba data structure.
4833 * @acqe_link: pointer to the async fcoe completion queue entry.
4835 * This routine is to handle the SLI4 asynchronous fcoe event.
4838 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4839 struct lpfc_acqe_fip
*acqe_fip
)
4841 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4843 struct lpfc_vport
*vport
;
4844 struct lpfc_nodelist
*ndlp
;
4845 struct Scsi_Host
*shost
;
4846 int active_vlink_present
;
4847 struct lpfc_vport
**vports
;
4850 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4851 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4852 switch (event_type
) {
4853 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4854 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4855 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4856 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4858 "2546 New FCF event, evt_tag:x%x, "
4860 acqe_fip
->event_tag
,
4863 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4865 "2788 FCF param modified event, "
4866 "evt_tag:x%x, index:x%x\n",
4867 acqe_fip
->event_tag
,
4869 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4871 * During period of FCF discovery, read the FCF
4872 * table record indexed by the event to update
4873 * FCF roundrobin failover eligible FCF bmask.
4875 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4877 "2779 Read FCF (x%x) for updating "
4878 "roundrobin FCF failover bmask\n",
4880 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4883 /* If the FCF discovery is in progress, do nothing. */
4884 spin_lock_irq(&phba
->hbalock
);
4885 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4886 spin_unlock_irq(&phba
->hbalock
);
4889 /* If fast FCF failover rescan event is pending, do nothing */
4890 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4891 spin_unlock_irq(&phba
->hbalock
);
4895 /* If the FCF has been in discovered state, do nothing. */
4896 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
4897 spin_unlock_irq(&phba
->hbalock
);
4900 spin_unlock_irq(&phba
->hbalock
);
4902 /* Otherwise, scan the entire FCF table and re-discover SAN */
4903 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4904 "2770 Start FCF table scan per async FCF "
4905 "event, evt_tag:x%x, index:x%x\n",
4906 acqe_fip
->event_tag
, acqe_fip
->index
);
4907 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4908 LPFC_FCOE_FCF_GET_FIRST
);
4910 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4911 "2547 Issue FCF scan read FCF mailbox "
4912 "command failed (x%x)\n", rc
);
4915 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4916 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4917 "2548 FCF Table full count 0x%x tag 0x%x\n",
4918 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4919 acqe_fip
->event_tag
);
4922 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4923 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4924 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4925 "2549 FCF (x%x) disconnected from network, "
4926 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4928 * If we are in the middle of FCF failover process, clear
4929 * the corresponding FCF bit in the roundrobin bitmap.
4931 spin_lock_irq(&phba
->hbalock
);
4932 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) &&
4933 (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)) {
4934 spin_unlock_irq(&phba
->hbalock
);
4935 /* Update FLOGI FCF failover eligible FCF bmask */
4936 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4939 spin_unlock_irq(&phba
->hbalock
);
4941 /* If the event is not for currently used fcf do nothing */
4942 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4946 * Otherwise, request the port to rediscover the entire FCF
4947 * table for a fast recovery from case that the current FCF
4948 * is no longer valid as we are not in the middle of FCF
4949 * failover process already.
4951 spin_lock_irq(&phba
->hbalock
);
4952 /* Mark the fast failover process in progress */
4953 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4954 spin_unlock_irq(&phba
->hbalock
);
4956 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4957 "2771 Start FCF fast failover process due to "
4958 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4959 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4960 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4962 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4964 "2772 Issue FCF rediscover mabilbox "
4965 "command failed, fail through to FCF "
4967 spin_lock_irq(&phba
->hbalock
);
4968 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4969 spin_unlock_irq(&phba
->hbalock
);
4971 * Last resort will fail over by treating this
4972 * as a link down to FCF registration.
4974 lpfc_sli4_fcf_dead_failthrough(phba
);
4976 /* Reset FCF roundrobin bmask for new discovery */
4977 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4979 * Handling fast FCF failover to a DEAD FCF event is
4980 * considered equalivant to receiving CVL to all vports.
4982 lpfc_sli4_perform_all_vport_cvl(phba
);
4985 case LPFC_FIP_EVENT_TYPE_CVL
:
4986 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4987 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4988 "2718 Clear Virtual Link Received for VPI 0x%x"
4989 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4991 vport
= lpfc_find_vport_by_vpid(phba
,
4993 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4996 active_vlink_present
= 0;
4998 vports
= lpfc_create_vport_work_array(phba
);
5000 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
5002 if ((!(vports
[i
]->fc_flag
&
5003 FC_VPORT_CVL_RCVD
)) &&
5004 (vports
[i
]->port_state
> LPFC_FDISC
)) {
5005 active_vlink_present
= 1;
5009 lpfc_destroy_vport_work_array(phba
, vports
);
5013 * Don't re-instantiate if vport is marked for deletion.
5014 * If we are here first then vport_delete is going to wait
5015 * for discovery to complete.
5017 if (!(vport
->load_flag
& FC_UNLOADING
) &&
5018 active_vlink_present
) {
5020 * If there are other active VLinks present,
5021 * re-instantiate the Vlink using FDISC.
5023 mod_timer(&ndlp
->nlp_delayfunc
,
5024 jiffies
+ msecs_to_jiffies(1000));
5025 shost
= lpfc_shost_from_vport(vport
);
5026 spin_lock_irq(shost
->host_lock
);
5027 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
5028 spin_unlock_irq(shost
->host_lock
);
5029 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
5030 vport
->port_state
= LPFC_FDISC
;
5033 * Otherwise, we request port to rediscover
5034 * the entire FCF table for a fast recovery
5035 * from possible case that the current FCF
5036 * is no longer valid if we are not already
5037 * in the FCF failover process.
5039 spin_lock_irq(&phba
->hbalock
);
5040 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
5041 spin_unlock_irq(&phba
->hbalock
);
5044 /* Mark the fast failover process in progress */
5045 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
5046 spin_unlock_irq(&phba
->hbalock
);
5047 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
5049 "2773 Start FCF failover per CVL, "
5050 "evt_tag:x%x\n", acqe_fip
->event_tag
);
5051 rc
= lpfc_sli4_redisc_fcf_table(phba
);
5053 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5055 "2774 Issue FCF rediscover "
5056 "mabilbox command failed, "
5057 "through to CVL event\n");
5058 spin_lock_irq(&phba
->hbalock
);
5059 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
5060 spin_unlock_irq(&phba
->hbalock
);
5062 * Last resort will be re-try on the
5063 * the current registered FCF entry.
5065 lpfc_retry_pport_discovery(phba
);
5068 * Reset FCF roundrobin bmask for new
5071 lpfc_sli4_clear_fcf_rr_bmask(phba
);
5075 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5076 "0288 Unknown FCoE event type 0x%x event tag "
5077 "0x%x\n", event_type
, acqe_fip
->event_tag
);
5083 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
5084 * @phba: pointer to lpfc hba data structure.
5085 * @acqe_link: pointer to the async dcbx completion queue entry.
5087 * This routine is to handle the SLI4 asynchronous dcbx event.
5090 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
5091 struct lpfc_acqe_dcbx
*acqe_dcbx
)
5093 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
5094 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5095 "0290 The SLI4 DCBX asynchronous event is not "
5100 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
5101 * @phba: pointer to lpfc hba data structure.
5102 * @acqe_link: pointer to the async grp5 completion queue entry.
5104 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
5105 * is an asynchronous notified of a logical link speed change. The Port
5106 * reports the logical link speed in units of 10Mbps.
5109 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
5110 struct lpfc_acqe_grp5
*acqe_grp5
)
5112 uint16_t prev_ll_spd
;
5114 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
5115 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
5116 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
5117 phba
->sli4_hba
.link_state
.logical_speed
=
5118 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
5119 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5120 "2789 GRP5 Async Event: Updating logical link speed "
5121 "from %dMbps to %dMbps\n", prev_ll_spd
,
5122 phba
->sli4_hba
.link_state
.logical_speed
);
5126 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
5127 * @phba: pointer to lpfc hba data structure.
5129 * This routine is invoked by the worker thread to process all the pending
5130 * SLI4 asynchronous events.
5132 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
5134 struct lpfc_cq_event
*cq_event
;
5136 /* First, declare the async event has been handled */
5137 spin_lock_irq(&phba
->hbalock
);
5138 phba
->hba_flag
&= ~ASYNC_EVENT
;
5139 spin_unlock_irq(&phba
->hbalock
);
5140 /* Now, handle all the async events */
5141 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
5142 /* Get the first event from the head of the event queue */
5143 spin_lock_irq(&phba
->hbalock
);
5144 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
5145 cq_event
, struct lpfc_cq_event
, list
);
5146 spin_unlock_irq(&phba
->hbalock
);
5147 /* Process the asynchronous event */
5148 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
5149 case LPFC_TRAILER_CODE_LINK
:
5150 lpfc_sli4_async_link_evt(phba
,
5151 &cq_event
->cqe
.acqe_link
);
5153 case LPFC_TRAILER_CODE_FCOE
:
5154 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
5156 case LPFC_TRAILER_CODE_DCBX
:
5157 lpfc_sli4_async_dcbx_evt(phba
,
5158 &cq_event
->cqe
.acqe_dcbx
);
5160 case LPFC_TRAILER_CODE_GRP5
:
5161 lpfc_sli4_async_grp5_evt(phba
,
5162 &cq_event
->cqe
.acqe_grp5
);
5164 case LPFC_TRAILER_CODE_FC
:
5165 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
5167 case LPFC_TRAILER_CODE_SLI
:
5168 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
5171 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5172 "1804 Invalid asynchrous event code: "
5173 "x%x\n", bf_get(lpfc_trailer_code
,
5174 &cq_event
->cqe
.mcqe_cmpl
));
5177 /* Free the completion event processed to the free pool */
5178 lpfc_sli4_cq_event_release(phba
, cq_event
);
5183 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
5184 * @phba: pointer to lpfc hba data structure.
5186 * This routine is invoked by the worker thread to process FCF table
5187 * rediscovery pending completion event.
5189 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
5193 spin_lock_irq(&phba
->hbalock
);
5194 /* Clear FCF rediscovery timeout event */
5195 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
5196 /* Clear driver fast failover FCF record flag */
5197 phba
->fcf
.failover_rec
.flag
= 0;
5198 /* Set state for FCF fast failover */
5199 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
5200 spin_unlock_irq(&phba
->hbalock
);
5202 /* Scan FCF table from the first entry to re-discover SAN */
5203 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5204 "2777 Start post-quiescent FCF table scan\n");
5205 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
5207 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5208 "2747 Issue FCF scan read FCF mailbox "
5209 "command failed 0x%x\n", rc
);
5213 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
5214 * @phba: pointer to lpfc hba data structure.
5215 * @dev_grp: The HBA PCI-Device group number.
5217 * This routine is invoked to set up the per HBA PCI-Device group function
5218 * API jump table entries.
5220 * Return: 0 if success, otherwise -ENODEV
5223 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5227 /* Set up lpfc PCI-device group */
5228 phba
->pci_dev_grp
= dev_grp
;
5230 /* The LPFC_PCI_DEV_OC uses SLI4 */
5231 if (dev_grp
== LPFC_PCI_DEV_OC
)
5232 phba
->sli_rev
= LPFC_SLI_REV4
;
5234 /* Set up device INIT API function jump table */
5235 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
5238 /* Set up SCSI API function jump table */
5239 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
5242 /* Set up SLI API function jump table */
5243 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
5246 /* Set up MBOX API function jump table */
5247 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
5255 * lpfc_log_intr_mode - Log the active interrupt mode
5256 * @phba: pointer to lpfc hba data structure.
5257 * @intr_mode: active interrupt mode adopted.
5259 * This routine it invoked to log the currently used active interrupt mode
5262 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
5264 switch (intr_mode
) {
5266 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5267 "0470 Enable INTx interrupt mode.\n");
5270 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5271 "0481 Enabled MSI interrupt mode.\n");
5274 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5275 "0480 Enabled MSI-X interrupt mode.\n");
5278 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5279 "0482 Illegal interrupt mode.\n");
5286 * lpfc_enable_pci_dev - Enable a generic PCI device.
5287 * @phba: pointer to lpfc hba data structure.
5289 * This routine is invoked to enable the PCI device that is common to all
5294 * other values - error
5297 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
5299 struct pci_dev
*pdev
;
5301 /* Obtain PCI device reference */
5305 pdev
= phba
->pcidev
;
5306 /* Enable PCI device */
5307 if (pci_enable_device_mem(pdev
))
5309 /* Request PCI resource for the device */
5310 if (pci_request_mem_regions(pdev
, LPFC_DRIVER_NAME
))
5311 goto out_disable_device
;
5312 /* Set up device as PCI master and save state for EEH */
5313 pci_set_master(pdev
);
5314 pci_try_set_mwi(pdev
);
5315 pci_save_state(pdev
);
5317 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
5318 if (pci_is_pcie(pdev
))
5319 pdev
->needs_freset
= 1;
5324 pci_disable_device(pdev
);
5326 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5327 "1401 Failed to enable pci device\n");
5332 * lpfc_disable_pci_dev - Disable a generic PCI device.
5333 * @phba: pointer to lpfc hba data structure.
5335 * This routine is invoked to disable the PCI device that is common to all
5339 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
5341 struct pci_dev
*pdev
;
5343 /* Obtain PCI device reference */
5347 pdev
= phba
->pcidev
;
5348 /* Release PCI resource and disable PCI device */
5349 pci_release_mem_regions(pdev
);
5350 pci_disable_device(pdev
);
5356 * lpfc_reset_hba - Reset a hba
5357 * @phba: pointer to lpfc hba data structure.
5359 * This routine is invoked to reset a hba device. It brings the HBA
5360 * offline, performs a board restart, and then brings the board back
5361 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
5362 * on outstanding mailbox commands.
5365 lpfc_reset_hba(struct lpfc_hba
*phba
)
5367 /* If resets are disabled then set error state and return. */
5368 if (!phba
->cfg_enable_hba_reset
) {
5369 phba
->link_state
= LPFC_HBA_ERROR
;
5372 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
5373 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
5375 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
5377 lpfc_sli_brdrestart(phba
);
5379 lpfc_unblock_mgmt_io(phba
);
5383 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
5384 * @phba: pointer to lpfc hba data structure.
5386 * This function enables the PCI SR-IOV virtual functions to a physical
5387 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
5388 * enable the number of virtual functions to the physical function. As
5389 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
5390 * API call does not considered as an error condition for most of the device.
5393 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
5395 struct pci_dev
*pdev
= phba
->pcidev
;
5399 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
5403 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
5408 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
5409 * @phba: pointer to lpfc hba data structure.
5410 * @nr_vfn: number of virtual functions to be enabled.
5412 * This function enables the PCI SR-IOV virtual functions to a physical
5413 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
5414 * enable the number of virtual functions to the physical function. As
5415 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
5416 * API call does not considered as an error condition for most of the device.
5419 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
5421 struct pci_dev
*pdev
= phba
->pcidev
;
5422 uint16_t max_nr_vfn
;
5425 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
5426 if (nr_vfn
> max_nr_vfn
) {
5427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5428 "3057 Requested vfs (%d) greater than "
5429 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
5433 rc
= pci_enable_sriov(pdev
, nr_vfn
);
5435 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5436 "2806 Failed to enable sriov on this device "
5437 "with vfn number nr_vf:%d, rc:%d\n",
5440 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5441 "2807 Successful enable sriov on this device "
5442 "with vfn number nr_vf:%d\n", nr_vfn
);
5447 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5448 * @phba: pointer to lpfc hba data structure.
5450 * This routine is invoked to set up the driver internal resources before the
5451 * device specific resource setup to support the HBA device it attached to.
5455 * other values - error
5458 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5460 struct lpfc_sli
*psli
= &phba
->sli
;
5463 * Driver resources common to all SLI revisions
5465 atomic_set(&phba
->fast_event_count
, 0);
5466 spin_lock_init(&phba
->hbalock
);
5468 /* Initialize ndlp management spinlock */
5469 spin_lock_init(&phba
->ndlp_lock
);
5471 INIT_LIST_HEAD(&phba
->port_list
);
5472 INIT_LIST_HEAD(&phba
->work_list
);
5473 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5475 /* Initialize the wait queue head for the kernel thread */
5476 init_waitqueue_head(&phba
->work_waitq
);
5478 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5479 "1403 Protocols supported %s %s %s\n",
5480 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) ?
5482 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) ?
5484 (phba
->nvmet_support
? "NVMET" : " "));
5486 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
5487 /* Initialize the scsi buffer list used by driver for scsi IO */
5488 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5489 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5490 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5491 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5494 if ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) &&
5495 (phba
->nvmet_support
== 0)) {
5496 /* Initialize the NVME buffer list used by driver for NVME IO */
5497 spin_lock_init(&phba
->nvme_buf_list_get_lock
);
5498 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_get
);
5499 spin_lock_init(&phba
->nvme_buf_list_put_lock
);
5500 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_put
);
5503 /* Initialize the fabric iocb list */
5504 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5506 /* Initialize list to save ELS buffers */
5507 INIT_LIST_HEAD(&phba
->elsbuf
);
5509 /* Initialize FCF connection rec list */
5510 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5512 /* Initialize OAS configuration list */
5513 spin_lock_init(&phba
->devicelock
);
5514 INIT_LIST_HEAD(&phba
->luns
);
5516 /* MBOX heartbeat timer */
5517 setup_timer(&psli
->mbox_tmo
, lpfc_mbox_timeout
, (unsigned long)phba
);
5518 /* Fabric block timer */
5519 setup_timer(&phba
->fabric_block_timer
, lpfc_fabric_block_timeout
,
5520 (unsigned long)phba
);
5521 /* EA polling mode timer */
5522 setup_timer(&phba
->eratt_poll
, lpfc_poll_eratt
,
5523 (unsigned long)phba
);
5524 /* Heartbeat timer */
5525 setup_timer(&phba
->hb_tmofunc
, lpfc_hb_timeout
, (unsigned long)phba
);
5531 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev
5532 * @phba: pointer to lpfc hba data structure.
5534 * This routine is invoked to set up the driver internal resources specific to
5535 * support the SLI-3 HBA device it attached to.
5539 * other values - error
5542 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
5547 * Initialize timers used by driver
5550 /* FCP polling mode timer */
5551 setup_timer(&phba
->fcp_poll_timer
, lpfc_poll_timeout
,
5552 (unsigned long)phba
);
5554 /* Host attention work mask setup */
5555 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
5556 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
5558 /* Get all the module params for configuring this host */
5559 lpfc_get_cfgparam(phba
);
5560 /* Set up phase-1 common device driver resources */
5562 rc
= lpfc_setup_driver_resource_phase1(phba
);
5566 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
5567 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
5568 /* check for menlo minimum sg count */
5569 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
5570 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
5573 if (!phba
->sli
.sli3_ring
)
5574 phba
->sli
.sli3_ring
= kzalloc(LPFC_SLI3_MAX_RING
*
5575 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5576 if (!phba
->sli
.sli3_ring
)
5580 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5581 * used to create the sg_dma_buf_pool must be dynamically calculated.
5584 /* Initialize the host templates the configured values. */
5585 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5586 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5587 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5589 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
5590 if (phba
->cfg_enable_bg
) {
5592 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5593 * the FCP rsp, and a BDE for each. Sice we have no control
5594 * over how many protection data segments the SCSI Layer
5595 * will hand us (ie: there could be one for every block
5596 * in the IO), we just allocate enough BDEs to accomidate
5597 * our max amount and we need to limit lpfc_sg_seg_cnt to
5598 * minimize the risk of running out.
5600 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5601 sizeof(struct fcp_rsp
) +
5602 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
5604 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
5605 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
5607 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
5608 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
5611 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5612 * the FCP rsp, a BDE for each, and a BDE for up to
5613 * cfg_sg_seg_cnt data segments.
5615 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5616 sizeof(struct fcp_rsp
) +
5617 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
5619 /* Total BDEs in BPL for scsi_sg_list */
5620 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5623 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5624 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
5625 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5626 phba
->cfg_total_seg_cnt
);
5628 phba
->max_vpi
= LPFC_MAX_VPI
;
5629 /* This will be set to correct value after config_port mbox */
5630 phba
->max_vports
= 0;
5633 * Initialize the SLI Layer to run with lpfc HBAs.
5635 lpfc_sli_setup(phba
);
5636 lpfc_sli_queue_init(phba
);
5638 /* Allocate device driver memory */
5639 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
5643 * Enable sr-iov virtual functions if supported and configured
5644 * through the module parameter.
5646 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5647 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5648 phba
->cfg_sriov_nr_virtfn
);
5650 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5651 "2808 Requested number of SR-IOV "
5652 "virtual functions (%d) is not "
5654 phba
->cfg_sriov_nr_virtfn
);
5655 phba
->cfg_sriov_nr_virtfn
= 0;
5663 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
5664 * @phba: pointer to lpfc hba data structure.
5666 * This routine is invoked to unset the driver internal resources set up
5667 * specific for supporting the SLI-3 HBA device it attached to.
5670 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
5672 /* Free device driver memory allocated */
5673 lpfc_mem_free_all(phba
);
5679 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
5680 * @phba: pointer to lpfc hba data structure.
5682 * This routine is invoked to set up the driver internal resources specific to
5683 * support the SLI-4 HBA device it attached to.
5687 * other values - error
5690 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
5692 LPFC_MBOXQ_t
*mboxq
;
5694 int rc
, i
, max_buf_size
;
5695 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
5696 struct lpfc_mqe
*mqe
;
5698 int fof_vectors
= 0;
5701 phba
->sli4_hba
.num_online_cpu
= num_online_cpus();
5702 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
5703 phba
->sli4_hba
.curr_disp_cpu
= 0;
5705 /* Get all the module params for configuring this host */
5706 lpfc_get_cfgparam(phba
);
5708 /* Set up phase-1 common device driver resources */
5709 rc
= lpfc_setup_driver_resource_phase1(phba
);
5713 /* Before proceed, wait for POST done and device ready */
5714 rc
= lpfc_sli4_post_status_check(phba
);
5719 * Initialize timers used by driver
5722 setup_timer(&phba
->rrq_tmr
, lpfc_rrq_timeout
, (unsigned long)phba
);
5724 /* FCF rediscover timer */
5725 setup_timer(&phba
->fcf
.redisc_wait
, lpfc_sli4_fcf_redisc_wait_tmo
,
5726 (unsigned long)phba
);
5729 * Control structure for handling external multi-buffer mailbox
5730 * command pass-through.
5732 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
5733 sizeof(struct lpfc_mbox_ext_buf_ctx
));
5734 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
5736 phba
->max_vpi
= LPFC_MAX_VPI
;
5738 /* This will be set to correct value after the read_config mbox */
5739 phba
->max_vports
= 0;
5741 /* Program the default value of vlan_id and fc_map */
5742 phba
->valid_vlan
= 0;
5743 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
5744 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
5745 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
5748 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5749 * we will associate a new ring, for each EQ/CQ/WQ tuple.
5750 * The WQ create will allocate the ring.
5754 * It doesn't matter what family our adapter is in, we are
5755 * limited to 2 Pages, 512 SGEs, for our SGL.
5756 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5758 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
5759 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
5760 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
5763 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size
5764 * used to create the sg_dma_buf_pool must be calculated.
5766 if (phba
->cfg_enable_bg
) {
5768 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd,
5769 * the FCP rsp, and a SGE. Sice we have no control
5770 * over how many protection segments the SCSI Layer
5771 * will hand us (ie: there could be one for every block
5772 * in the IO), just allocate enough SGEs to accomidate
5773 * our max amount and we need to limit lpfc_sg_seg_cnt
5774 * to minimize the risk of running out.
5776 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5777 sizeof(struct fcp_rsp
) + max_buf_size
;
5779 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5780 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
5782 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
5783 phba
->cfg_sg_seg_cnt
=
5784 LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
5787 * The scsi_buf for a regular I/O holds the FCP cmnd,
5788 * the FCP rsp, a SGE for each, and a SGE for up to
5789 * cfg_sg_seg_cnt data segments.
5791 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5792 sizeof(struct fcp_rsp
) +
5793 ((phba
->cfg_sg_seg_cnt
+ 2) *
5794 sizeof(struct sli4_sge
));
5796 /* Total SGEs for scsi_sg_list */
5797 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5800 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only
5801 * need to post 1 page for the SGL.
5805 /* Initialize the host templates with the updated values. */
5806 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5807 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5808 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5810 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5811 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5813 phba
->cfg_sg_dma_buf_size
=
5814 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5816 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5817 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5818 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5819 phba
->cfg_total_seg_cnt
);
5821 /* Initialize buffer queue management fields */
5822 INIT_LIST_HEAD(&phba
->hbqs
[LPFC_ELS_HBQ
].hbq_buffer_list
);
5823 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5824 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5827 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5829 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
5830 /* Initialize the Abort scsi buffer list used by driver */
5831 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5832 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5835 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
5836 /* Initialize the Abort nvme buffer list used by driver */
5837 spin_lock_init(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
5838 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
5839 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
5840 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_ctx_list
);
5841 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_io_wait_list
);
5843 /* Fast-path XRI aborted CQ Event work queue list */
5844 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_nvme_xri_aborted_work_queue
);
5847 /* This abort list used by worker thread */
5848 spin_lock_init(&phba
->sli4_hba
.sgl_list_lock
);
5849 spin_lock_init(&phba
->sli4_hba
.nvmet_io_lock
);
5850 spin_lock_init(&phba
->sli4_hba
.nvmet_io_wait_lock
);
5853 * Initialize driver internal slow-path work queues
5856 /* Driver internel slow-path CQ Event pool */
5857 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5858 /* Response IOCB work queue list */
5859 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5860 /* Asynchronous event CQ Event work queue list */
5861 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5862 /* Fast-path XRI aborted CQ Event work queue list */
5863 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5864 /* Slow-path XRI aborted CQ Event work queue list */
5865 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5866 /* Receive queue CQ Event work queue list */
5867 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5869 /* Initialize extent block lists. */
5870 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5871 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5872 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5873 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5875 /* Initialize mboxq lists. If the early init routines fail
5876 * these lists need to be correctly initialized.
5878 INIT_LIST_HEAD(&phba
->sli
.mboxq
);
5879 INIT_LIST_HEAD(&phba
->sli
.mboxq_cmpl
);
5881 /* initialize optic_state to 0xFF */
5882 phba
->sli4_hba
.lnk_info
.optic_state
= 0xff;
5884 /* Allocate device driver memory */
5885 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5889 /* IF Type 2 ports get initialized now. */
5890 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5891 LPFC_SLI_INTF_IF_TYPE_2
) {
5892 rc
= lpfc_pci_function_reset(phba
);
5897 phba
->temp_sensor_support
= 1;
5900 /* Create the bootstrap mailbox command */
5901 rc
= lpfc_create_bootstrap_mbox(phba
);
5905 /* Set up the host's endian order with the device. */
5906 rc
= lpfc_setup_endian_order(phba
);
5908 goto out_free_bsmbx
;
5910 /* Set up the hba's configuration parameters. */
5911 rc
= lpfc_sli4_read_config(phba
);
5913 goto out_free_bsmbx
;
5914 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
5916 goto out_free_bsmbx
;
5918 /* IF Type 0 ports get initialized now. */
5919 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5920 LPFC_SLI_INTF_IF_TYPE_0
) {
5921 rc
= lpfc_pci_function_reset(phba
);
5923 goto out_free_bsmbx
;
5926 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5930 goto out_free_bsmbx
;
5933 /* Check for NVMET being configured */
5934 phba
->nvmet_support
= 0;
5935 if (lpfc_enable_nvmet_cnt
) {
5937 /* First get WWN of HBA instance */
5938 lpfc_read_nv(phba
, mboxq
);
5939 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5940 if (rc
!= MBX_SUCCESS
) {
5941 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5942 "6016 Mailbox failed , mbxCmd x%x "
5943 "READ_NV, mbxStatus x%x\n",
5944 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
5945 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
5946 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5948 goto out_free_bsmbx
;
5951 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.nodename
,
5953 wwn
= cpu_to_be64(wwn
);
5954 phba
->sli4_hba
.wwnn
.u
.name
= wwn
;
5955 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
,
5957 /* wwn is WWPN of HBA instance */
5958 wwn
= cpu_to_be64(wwn
);
5959 phba
->sli4_hba
.wwpn
.u
.name
= wwn
;
5961 /* Check to see if it matches any module parameter */
5962 for (i
= 0; i
< lpfc_enable_nvmet_cnt
; i
++) {
5963 if (wwn
== lpfc_enable_nvmet
[i
]) {
5964 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
5965 if (lpfc_nvmet_mem_alloc(phba
))
5968 phba
->nvmet_support
= 1; /* a match */
5970 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5971 "6017 NVME Target %016llx\n",
5974 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5975 "6021 Can't enable NVME Target."
5976 " NVME_TARGET_FC infrastructure"
5977 " is not in kernel\n");
5984 lpfc_nvme_mod_param_dep(phba
);
5986 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5987 lpfc_supported_pages(mboxq
);
5988 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5990 mqe
= &mboxq
->u
.mqe
;
5991 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5992 LPFC_MAX_SUPPORTED_PAGES
);
5993 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5994 switch (pn_page
[i
]) {
5995 case LPFC_SLI4_PARAMETERS
:
5996 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
6002 /* Read the port's SLI4 Parameters capabilities if supported. */
6003 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
6004 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
6006 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6008 goto out_free_bsmbx
;
6013 * Get sli4 parameters that override parameters from Port capabilities.
6014 * If this call fails, it isn't critical unless the SLI4 parameters come
6017 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
6019 if (phba
->sli4_hba
.extents_in_use
&&
6020 phba
->sli4_hba
.rpi_hdrs_in_use
) {
6021 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6022 "2999 Unsupported SLI4 Parameters "
6023 "Extents and RPI headers enabled.\n");
6025 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6026 goto out_free_bsmbx
;
6029 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6031 /* Verify OAS is supported */
6032 lpfc_sli4_oas_verify(phba
);
6036 /* Verify all the SLI4 queues */
6037 rc
= lpfc_sli4_queue_verify(phba
);
6039 goto out_free_bsmbx
;
6041 /* Create driver internal CQE event pool */
6042 rc
= lpfc_sli4_cq_event_pool_create(phba
);
6044 goto out_free_bsmbx
;
6046 /* Initialize sgl lists per host */
6047 lpfc_init_sgl_list(phba
);
6049 /* Allocate and initialize active sgl array */
6050 rc
= lpfc_init_active_sgl_array(phba
);
6052 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6053 "1430 Failed to initialize sgl list.\n");
6054 goto out_destroy_cq_event_pool
;
6056 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
6058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6059 "1432 Failed to initialize rpi headers.\n");
6060 goto out_free_active_sgl
;
6063 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
6064 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
6065 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
6067 if (!phba
->fcf
.fcf_rr_bmask
) {
6068 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6069 "2759 Failed allocate memory for FCF round "
6070 "robin failover bmask\n");
6072 goto out_remove_rpi_hdrs
;
6075 phba
->sli4_hba
.hba_eq_hdl
= kcalloc(fof_vectors
+ phba
->io_channel_irqs
,
6076 sizeof(struct lpfc_hba_eq_hdl
),
6078 if (!phba
->sli4_hba
.hba_eq_hdl
) {
6079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6080 "2572 Failed allocate memory for "
6081 "fast-path per-EQ handle array\n");
6083 goto out_free_fcf_rr_bmask
;
6086 phba
->sli4_hba
.cpu_map
= kcalloc(phba
->sli4_hba
.num_present_cpu
,
6087 sizeof(struct lpfc_vector_map_info
),
6089 if (!phba
->sli4_hba
.cpu_map
) {
6090 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6091 "3327 Failed allocate memory for msi-x "
6092 "interrupt vector mapping\n");
6094 goto out_free_hba_eq_hdl
;
6096 if (lpfc_used_cpu
== NULL
) {
6097 lpfc_used_cpu
= kcalloc(lpfc_present_cpu
, sizeof(uint16_t),
6099 if (!lpfc_used_cpu
) {
6100 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6101 "3335 Failed allocate memory for msi-x "
6102 "interrupt vector mapping\n");
6103 kfree(phba
->sli4_hba
.cpu_map
);
6105 goto out_free_hba_eq_hdl
;
6107 for (i
= 0; i
< lpfc_present_cpu
; i
++)
6108 lpfc_used_cpu
[i
] = LPFC_VECTOR_MAP_EMPTY
;
6112 * Enable sr-iov virtual functions if supported and configured
6113 * through the module parameter.
6115 if (phba
->cfg_sriov_nr_virtfn
> 0) {
6116 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
6117 phba
->cfg_sriov_nr_virtfn
);
6119 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6120 "3020 Requested number of SR-IOV "
6121 "virtual functions (%d) is not "
6123 phba
->cfg_sriov_nr_virtfn
);
6124 phba
->cfg_sriov_nr_virtfn
= 0;
6130 out_free_hba_eq_hdl
:
6131 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6132 out_free_fcf_rr_bmask
:
6133 kfree(phba
->fcf
.fcf_rr_bmask
);
6134 out_remove_rpi_hdrs
:
6135 lpfc_sli4_remove_rpi_hdrs(phba
);
6136 out_free_active_sgl
:
6137 lpfc_free_active_sgl(phba
);
6138 out_destroy_cq_event_pool
:
6139 lpfc_sli4_cq_event_pool_destroy(phba
);
6141 lpfc_destroy_bootstrap_mbox(phba
);
6143 lpfc_mem_free(phba
);
6148 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
6149 * @phba: pointer to lpfc hba data structure.
6151 * This routine is invoked to unset the driver internal resources set up
6152 * specific for supporting the SLI-4 HBA device it attached to.
6155 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
6157 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
6159 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
6160 kfree(phba
->sli4_hba
.cpu_map
);
6161 phba
->sli4_hba
.num_present_cpu
= 0;
6162 phba
->sli4_hba
.num_online_cpu
= 0;
6163 phba
->sli4_hba
.curr_disp_cpu
= 0;
6165 /* Free memory allocated for fast-path work queue handles */
6166 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6168 /* Free the allocated rpi headers. */
6169 lpfc_sli4_remove_rpi_hdrs(phba
);
6170 lpfc_sli4_remove_rpis(phba
);
6172 /* Free eligible FCF index bmask */
6173 kfree(phba
->fcf
.fcf_rr_bmask
);
6175 /* Free the ELS sgl list */
6176 lpfc_free_active_sgl(phba
);
6177 lpfc_free_els_sgl_list(phba
);
6178 lpfc_free_nvmet_sgl_list(phba
);
6180 /* Free the completion queue EQ event pool */
6181 lpfc_sli4_cq_event_release_all(phba
);
6182 lpfc_sli4_cq_event_pool_destroy(phba
);
6184 /* Release resource identifiers. */
6185 lpfc_sli4_dealloc_resource_identifiers(phba
);
6187 /* Free the bsmbx region. */
6188 lpfc_destroy_bootstrap_mbox(phba
);
6190 /* Free the SLI Layer memory with SLI4 HBAs */
6191 lpfc_mem_free_all(phba
);
6193 /* Free the current connect table */
6194 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
6195 &phba
->fcf_conn_rec_list
, list
) {
6196 list_del_init(&conn_entry
->list
);
6204 * lpfc_init_api_table_setup - Set up init api function jump table
6205 * @phba: The hba struct for which this call is being executed.
6206 * @dev_grp: The HBA PCI-Device group number.
6208 * This routine sets up the device INIT interface API function jump table
6211 * Returns: 0 - success, -ENODEV - failure.
6214 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
6216 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
6217 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
6218 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
6220 case LPFC_PCI_DEV_LP
:
6221 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
6222 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
6223 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
6225 case LPFC_PCI_DEV_OC
:
6226 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
6227 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
6228 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
6231 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6232 "1431 Invalid HBA PCI-device group: 0x%x\n",
6241 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
6242 * @phba: pointer to lpfc hba data structure.
6244 * This routine is invoked to set up the driver internal resources after the
6245 * device specific resource setup to support the HBA device it attached to.
6249 * other values - error
6252 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
6256 /* Startup the kernel thread for this host adapter. */
6257 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
6258 "lpfc_worker_%d", phba
->brd_no
);
6259 if (IS_ERR(phba
->worker_thread
)) {
6260 error
= PTR_ERR(phba
->worker_thread
);
6268 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
6269 * @phba: pointer to lpfc hba data structure.
6271 * This routine is invoked to unset the driver internal resources set up after
6272 * the device specific resource setup for supporting the HBA device it
6276 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
6278 /* Stop kernel worker thread */
6279 kthread_stop(phba
->worker_thread
);
6283 * lpfc_free_iocb_list - Free iocb list.
6284 * @phba: pointer to lpfc hba data structure.
6286 * This routine is invoked to free the driver's IOCB list and memory.
6289 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
6291 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
6293 spin_lock_irq(&phba
->hbalock
);
6294 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
6295 &phba
->lpfc_iocb_list
, list
) {
6296 list_del(&iocbq_entry
->list
);
6298 phba
->total_iocbq_bufs
--;
6300 spin_unlock_irq(&phba
->hbalock
);
6306 * lpfc_init_iocb_list - Allocate and initialize iocb list.
6307 * @phba: pointer to lpfc hba data structure.
6309 * This routine is invoked to allocate and initizlize the driver's IOCB
6310 * list and set up the IOCB tag array accordingly.
6314 * other values - error
6317 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
6319 struct lpfc_iocbq
*iocbq_entry
= NULL
;
6323 /* Initialize and populate the iocb list per host. */
6324 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
6325 for (i
= 0; i
< iocb_count
; i
++) {
6326 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
6327 if (iocbq_entry
== NULL
) {
6328 printk(KERN_ERR
"%s: only allocated %d iocbs of "
6329 "expected %d count. Unloading driver.\n",
6330 __func__
, i
, LPFC_IOCB_LIST_CNT
);
6331 goto out_free_iocbq
;
6334 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
6337 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
6338 "Unloading driver.\n", __func__
);
6339 goto out_free_iocbq
;
6341 iocbq_entry
->sli4_lxritag
= NO_XRI
;
6342 iocbq_entry
->sli4_xritag
= NO_XRI
;
6344 spin_lock_irq(&phba
->hbalock
);
6345 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
6346 phba
->total_iocbq_bufs
++;
6347 spin_unlock_irq(&phba
->hbalock
);
6353 lpfc_free_iocb_list(phba
);
6359 * lpfc_free_sgl_list - Free a given sgl list.
6360 * @phba: pointer to lpfc hba data structure.
6361 * @sglq_list: pointer to the head of sgl list.
6363 * This routine is invoked to free a give sgl list and memory.
6366 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
6368 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
6370 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
6371 list_del(&sglq_entry
->list
);
6372 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
6378 * lpfc_free_els_sgl_list - Free els sgl list.
6379 * @phba: pointer to lpfc hba data structure.
6381 * This routine is invoked to free the driver's els sgl list and memory.
6384 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
6386 LIST_HEAD(sglq_list
);
6388 /* Retrieve all els sgls from driver list */
6389 spin_lock_irq(&phba
->hbalock
);
6390 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6391 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
, &sglq_list
);
6392 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6393 spin_unlock_irq(&phba
->hbalock
);
6395 /* Now free the sgl list */
6396 lpfc_free_sgl_list(phba
, &sglq_list
);
6400 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list.
6401 * @phba: pointer to lpfc hba data structure.
6403 * This routine is invoked to free the driver's nvmet sgl list and memory.
6406 lpfc_free_nvmet_sgl_list(struct lpfc_hba
*phba
)
6408 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
6409 LIST_HEAD(sglq_list
);
6411 /* Retrieve all nvmet sgls from driver list */
6412 spin_lock_irq(&phba
->hbalock
);
6413 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6414 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
, &sglq_list
);
6415 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6416 spin_unlock_irq(&phba
->hbalock
);
6418 /* Now free the sgl list */
6419 list_for_each_entry_safe(sglq_entry
, sglq_next
, &sglq_list
, list
) {
6420 list_del(&sglq_entry
->list
);
6421 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
6427 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
6428 * @phba: pointer to lpfc hba data structure.
6430 * This routine is invoked to allocate the driver's active sgl memory.
6431 * This array will hold the sglq_entry's for active IOs.
6434 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
6437 size
= sizeof(struct lpfc_sglq
*);
6438 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
6440 phba
->sli4_hba
.lpfc_sglq_active_list
=
6441 kzalloc(size
, GFP_KERNEL
);
6442 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
6448 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
6449 * @phba: pointer to lpfc hba data structure.
6451 * This routine is invoked to walk through the array of active sglq entries
6452 * and free all of the resources.
6453 * This is just a place holder for now.
6456 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
6458 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
6462 * lpfc_init_sgl_list - Allocate and initialize sgl list.
6463 * @phba: pointer to lpfc hba data structure.
6465 * This routine is invoked to allocate and initizlize the driver's sgl
6466 * list and set up the sgl xritag tag array accordingly.
6470 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
6472 /* Initialize and populate the sglq list per host/VF. */
6473 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_els_sgl_list
);
6474 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
6475 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
6476 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
6478 /* els xri-sgl book keeping */
6479 phba
->sli4_hba
.els_xri_cnt
= 0;
6481 /* scsi xri-buffer book keeping */
6482 phba
->sli4_hba
.scsi_xri_cnt
= 0;
6484 /* nvme xri-buffer book keeping */
6485 phba
->sli4_hba
.nvme_xri_cnt
= 0;
6489 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
6490 * @phba: pointer to lpfc hba data structure.
6492 * This routine is invoked to post rpi header templates to the
6493 * port for those SLI4 ports that do not support extents. This routine
6494 * posts a PAGE_SIZE memory region to the port to hold up to
6495 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
6496 * and should be called only when interrupts are disabled.
6500 * -ERROR - otherwise.
6503 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
6506 struct lpfc_rpi_hdr
*rpi_hdr
;
6508 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6509 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6511 if (phba
->sli4_hba
.extents_in_use
)
6514 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
6516 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6517 "0391 Error during rpi post operation\n");
6518 lpfc_sli4_remove_rpis(phba
);
6526 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
6527 * @phba: pointer to lpfc hba data structure.
6529 * This routine is invoked to allocate a single 4KB memory region to
6530 * support rpis and stores them in the phba. This single region
6531 * provides support for up to 64 rpis. The region is used globally
6535 * A valid rpi hdr on success.
6536 * A NULL pointer on any failure.
6538 struct lpfc_rpi_hdr
*
6539 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
6541 uint16_t rpi_limit
, curr_rpi_range
;
6542 struct lpfc_dmabuf
*dmabuf
;
6543 struct lpfc_rpi_hdr
*rpi_hdr
;
6546 * If the SLI4 port supports extents, posting the rpi header isn't
6547 * required. Set the expected maximum count and let the actual value
6548 * get set when extents are fully allocated.
6550 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6552 if (phba
->sli4_hba
.extents_in_use
)
6555 /* The limit on the logical index is just the max_rpi count. */
6556 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
6558 spin_lock_irq(&phba
->hbalock
);
6560 * Establish the starting RPI in this header block. The starting
6561 * rpi is normalized to a zero base because the physical rpi is
6564 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
6565 spin_unlock_irq(&phba
->hbalock
);
6567 /* Reached full RPI range */
6568 if (curr_rpi_range
== rpi_limit
)
6572 * First allocate the protocol header region for the port. The
6573 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
6575 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6579 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
6580 LPFC_HDR_TEMPLATE_SIZE
,
6581 &dmabuf
->phys
, GFP_KERNEL
);
6582 if (!dmabuf
->virt
) {
6584 goto err_free_dmabuf
;
6587 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
6589 goto err_free_coherent
;
6592 /* Save the rpi header data for cleanup later. */
6593 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
6595 goto err_free_coherent
;
6597 rpi_hdr
->dmabuf
= dmabuf
;
6598 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
6599 rpi_hdr
->page_count
= 1;
6600 spin_lock_irq(&phba
->hbalock
);
6602 /* The rpi_hdr stores the logical index only. */
6603 rpi_hdr
->start_rpi
= curr_rpi_range
;
6604 rpi_hdr
->next_rpi
= phba
->sli4_hba
.next_rpi
+ LPFC_RPI_HDR_COUNT
;
6605 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6607 spin_unlock_irq(&phba
->hbalock
);
6611 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
6612 dmabuf
->virt
, dmabuf
->phys
);
6619 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
6620 * @phba: pointer to lpfc hba data structure.
6622 * This routine is invoked to remove all memory resources allocated
6623 * to support rpis for SLI4 ports not supporting extents. This routine
6624 * presumes the caller has released all rpis consumed by fabric or port
6625 * logins and is prepared to have the header pages removed.
6628 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
6630 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
6632 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6635 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
6636 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
6637 list_del(&rpi_hdr
->list
);
6638 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
6639 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
6640 kfree(rpi_hdr
->dmabuf
);
6644 /* There are no rpis available to the port now. */
6645 phba
->sli4_hba
.next_rpi
= 0;
6649 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
6650 * @pdev: pointer to pci device data structure.
6652 * This routine is invoked to allocate the driver hba data structure for an
6653 * HBA device. If the allocation is successful, the phba reference to the
6654 * PCI device data structure is set.
6657 * pointer to @phba - successful
6660 static struct lpfc_hba
*
6661 lpfc_hba_alloc(struct pci_dev
*pdev
)
6663 struct lpfc_hba
*phba
;
6665 /* Allocate memory for HBA structure */
6666 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
6668 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
6672 /* Set reference to PCI device in HBA structure */
6673 phba
->pcidev
= pdev
;
6675 /* Assign an unused board number */
6676 phba
->brd_no
= lpfc_get_instance();
6677 if (phba
->brd_no
< 0) {
6681 phba
->eratt_poll_interval
= LPFC_ERATT_POLL_INTERVAL
;
6683 spin_lock_init(&phba
->ct_ev_lock
);
6684 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
6690 * lpfc_hba_free - Free driver hba data structure with a device.
6691 * @phba: pointer to lpfc hba data structure.
6693 * This routine is invoked to free the driver hba data structure with an
6697 lpfc_hba_free(struct lpfc_hba
*phba
)
6699 /* Release the driver assigned board number */
6700 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
6702 /* Free memory allocated with sli3 rings */
6703 kfree(phba
->sli
.sli3_ring
);
6704 phba
->sli
.sli3_ring
= NULL
;
6711 * lpfc_create_shost - Create hba physical port with associated scsi host.
6712 * @phba: pointer to lpfc hba data structure.
6714 * This routine is invoked to create HBA physical port and associate a SCSI
6719 * other values - error
6722 lpfc_create_shost(struct lpfc_hba
*phba
)
6724 struct lpfc_vport
*vport
;
6725 struct Scsi_Host
*shost
;
6727 /* Initialize HBA FC structure */
6728 phba
->fc_edtov
= FF_DEF_EDTOV
;
6729 phba
->fc_ratov
= FF_DEF_RATOV
;
6730 phba
->fc_altov
= FF_DEF_ALTOV
;
6731 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
6733 atomic_set(&phba
->sdev_cnt
, 0);
6734 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
6738 shost
= lpfc_shost_from_vport(vport
);
6739 phba
->pport
= vport
;
6741 if (phba
->nvmet_support
) {
6742 /* Only 1 vport (pport) will support NVME target */
6743 if (phba
->txrdy_payload_pool
== NULL
) {
6744 phba
->txrdy_payload_pool
= pci_pool_create(
6745 "txrdy_pool", phba
->pcidev
,
6746 TXRDY_PAYLOAD_LEN
, 16, 0);
6747 if (phba
->txrdy_payload_pool
) {
6748 phba
->targetport
= NULL
;
6749 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_NVME
;
6750 lpfc_printf_log(phba
, KERN_INFO
,
6751 LOG_INIT
| LOG_NVME_DISC
,
6752 "6076 NVME Target Found\n");
6757 lpfc_debugfs_initialize(vport
);
6758 /* Put reference to SCSI host to driver's device private data */
6759 pci_set_drvdata(phba
->pcidev
, shost
);
6762 * At this point we are fully registered with PSA. In addition,
6763 * any initial discovery should be completed.
6765 vport
->load_flag
|= FC_ALLOW_FDMI
;
6766 if (phba
->cfg_enable_SmartSAN
||
6767 (phba
->cfg_fdmi_on
== LPFC_FDMI_SUPPORT
)) {
6769 /* Setup appropriate attribute masks */
6770 vport
->fdmi_hba_mask
= LPFC_FDMI2_HBA_ATTR
;
6771 if (phba
->cfg_enable_SmartSAN
)
6772 vport
->fdmi_port_mask
= LPFC_FDMI2_SMART_ATTR
;
6774 vport
->fdmi_port_mask
= LPFC_FDMI2_PORT_ATTR
;
6780 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6781 * @phba: pointer to lpfc hba data structure.
6783 * This routine is invoked to destroy HBA physical port and the associated
6787 lpfc_destroy_shost(struct lpfc_hba
*phba
)
6789 struct lpfc_vport
*vport
= phba
->pport
;
6791 /* Destroy physical port that associated with the SCSI host */
6792 destroy_port(vport
);
6798 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6799 * @phba: pointer to lpfc hba data structure.
6800 * @shost: the shost to be used to detect Block guard settings.
6802 * This routine sets up the local Block guard protocol settings for @shost.
6803 * This routine also allocates memory for debugging bg buffers.
6806 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
6812 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
6813 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6814 "1478 Registering BlockGuard with the "
6817 old_mask
= phba
->cfg_prot_mask
;
6818 old_guard
= phba
->cfg_prot_guard
;
6820 /* Only allow supported values */
6821 phba
->cfg_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
6822 SHOST_DIX_TYPE0_PROTECTION
|
6823 SHOST_DIX_TYPE1_PROTECTION
);
6824 phba
->cfg_prot_guard
&= (SHOST_DIX_GUARD_IP
|
6825 SHOST_DIX_GUARD_CRC
);
6827 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6828 if (phba
->cfg_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
6829 phba
->cfg_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
6831 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
6832 if ((old_mask
!= phba
->cfg_prot_mask
) ||
6833 (old_guard
!= phba
->cfg_prot_guard
))
6834 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6835 "1475 Registering BlockGuard with the "
6836 "SCSI layer: mask %d guard %d\n",
6837 phba
->cfg_prot_mask
,
6838 phba
->cfg_prot_guard
);
6840 scsi_host_set_prot(shost
, phba
->cfg_prot_mask
);
6841 scsi_host_set_guard(shost
, phba
->cfg_prot_guard
);
6843 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6844 "1479 Not Registering BlockGuard with the SCSI "
6845 "layer, Bad protection parameters: %d %d\n",
6846 old_mask
, old_guard
);
6849 if (!_dump_buf_data
) {
6851 spin_lock_init(&_dump_buf_lock
);
6853 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6854 if (_dump_buf_data
) {
6855 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6856 "9043 BLKGRD: allocated %d pages for "
6857 "_dump_buf_data at 0x%p\n",
6858 (1 << pagecnt
), _dump_buf_data
);
6859 _dump_buf_data_order
= pagecnt
;
6860 memset(_dump_buf_data
, 0,
6861 ((1 << PAGE_SHIFT
) << pagecnt
));
6866 if (!_dump_buf_data_order
)
6867 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6868 "9044 BLKGRD: ERROR unable to allocate "
6869 "memory for hexdump\n");
6871 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6872 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
6873 "\n", _dump_buf_data
);
6874 if (!_dump_buf_dif
) {
6877 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6878 if (_dump_buf_dif
) {
6879 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6880 "9046 BLKGRD: allocated %d pages for "
6881 "_dump_buf_dif at 0x%p\n",
6882 (1 << pagecnt
), _dump_buf_dif
);
6883 _dump_buf_dif_order
= pagecnt
;
6884 memset(_dump_buf_dif
, 0,
6885 ((1 << PAGE_SHIFT
) << pagecnt
));
6890 if (!_dump_buf_dif_order
)
6891 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6892 "9047 BLKGRD: ERROR unable to allocate "
6893 "memory for hexdump\n");
6895 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6896 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
6901 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6902 * @phba: pointer to lpfc hba data structure.
6904 * This routine is invoked to perform all the necessary post initialization
6905 * setup for the device.
6908 lpfc_post_init_setup(struct lpfc_hba
*phba
)
6910 struct Scsi_Host
*shost
;
6911 struct lpfc_adapter_event_header adapter_event
;
6913 /* Get the default values for Model Name and Description */
6914 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
6917 * hba setup may have changed the hba_queue_depth so we need to
6918 * adjust the value of can_queue.
6920 shost
= pci_get_drvdata(phba
->pcidev
);
6921 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6922 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6923 lpfc_setup_bg(phba
, shost
);
6925 lpfc_host_attrib_init(shost
);
6927 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6928 spin_lock_irq(shost
->host_lock
);
6929 lpfc_poll_start_timer(phba
);
6930 spin_unlock_irq(shost
->host_lock
);
6933 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6934 "0428 Perform SCSI scan\n");
6935 /* Send board arrival event to upper layer */
6936 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6937 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6938 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6939 sizeof(adapter_event
),
6940 (char *) &adapter_event
,
6946 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6947 * @phba: pointer to lpfc hba data structure.
6949 * This routine is invoked to set up the PCI device memory space for device
6950 * with SLI-3 interface spec.
6954 * other values - error
6957 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6959 struct pci_dev
*pdev
;
6960 unsigned long bar0map_len
, bar2map_len
;
6963 int error
= -ENODEV
;
6965 /* Obtain PCI device reference */
6969 pdev
= phba
->pcidev
;
6971 /* Set the device DMA mask size */
6972 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6973 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6974 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6975 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6980 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6981 * required by each mapping.
6983 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6984 bar0map_len
= pci_resource_len(pdev
, 0);
6986 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6987 bar2map_len
= pci_resource_len(pdev
, 2);
6989 /* Map HBA SLIM to a kernel virtual address. */
6990 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6991 if (!phba
->slim_memmap_p
) {
6992 dev_printk(KERN_ERR
, &pdev
->dev
,
6993 "ioremap failed for SLIM memory.\n");
6997 /* Map HBA Control Registers to a kernel virtual address. */
6998 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6999 if (!phba
->ctrl_regs_memmap_p
) {
7000 dev_printk(KERN_ERR
, &pdev
->dev
,
7001 "ioremap failed for HBA control registers.\n");
7002 goto out_iounmap_slim
;
7005 /* Allocate memory for SLI-2 structures */
7006 phba
->slim2p
.virt
= dma_zalloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7007 &phba
->slim2p
.phys
, GFP_KERNEL
);
7008 if (!phba
->slim2p
.virt
)
7011 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
7012 phba
->mbox_ext
= (phba
->slim2p
.virt
+
7013 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
7014 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
7015 phba
->IOCBs
= (phba
->slim2p
.virt
+
7016 offsetof(struct lpfc_sli2_slim
, IOCBs
));
7018 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
7019 lpfc_sli_hbq_size(),
7020 &phba
->hbqslimp
.phys
,
7022 if (!phba
->hbqslimp
.virt
)
7025 hbq_count
= lpfc_sli_hbq_count();
7026 ptr
= phba
->hbqslimp
.virt
;
7027 for (i
= 0; i
< hbq_count
; ++i
) {
7028 phba
->hbqs
[i
].hbq_virt
= ptr
;
7029 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
7030 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
7031 sizeof(struct lpfc_hbq_entry
));
7033 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
7034 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
7036 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
7038 phba
->MBslimaddr
= phba
->slim_memmap_p
;
7039 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
7040 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
7041 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
7042 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
7047 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7048 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7050 iounmap(phba
->ctrl_regs_memmap_p
);
7052 iounmap(phba
->slim_memmap_p
);
7058 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
7059 * @phba: pointer to lpfc hba data structure.
7061 * This routine is invoked to unset the PCI device memory space for device
7062 * with SLI-3 interface spec.
7065 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
7067 struct pci_dev
*pdev
;
7069 /* Obtain PCI device reference */
7073 pdev
= phba
->pcidev
;
7075 /* Free coherent DMA memory allocated */
7076 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7077 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7078 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7079 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7081 /* I/O memory unmap */
7082 iounmap(phba
->ctrl_regs_memmap_p
);
7083 iounmap(phba
->slim_memmap_p
);
7089 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
7090 * @phba: pointer to lpfc hba data structure.
7092 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
7093 * done and check status.
7095 * Return 0 if successful, otherwise -ENODEV.
7098 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
7100 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
7101 struct lpfc_register reg_data
;
7102 int i
, port_error
= 0;
7105 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
7106 memset(®_data
, 0, sizeof(reg_data
));
7107 if (!phba
->sli4_hba
.PSMPHRregaddr
)
7110 /* Wait up to 30 seconds for the SLI Port POST done and ready */
7111 for (i
= 0; i
< 3000; i
++) {
7112 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
7113 &portsmphr_reg
.word0
) ||
7114 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
7115 /* Port has a fatal POST error, break out */
7116 port_error
= -ENODEV
;
7119 if (LPFC_POST_STAGE_PORT_READY
==
7120 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
7126 * If there was a port error during POST, then don't proceed with
7127 * other register reads as the data may not be valid. Just exit.
7130 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7131 "1408 Port Failed POST - portsmphr=0x%x, "
7132 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
7133 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
7134 portsmphr_reg
.word0
,
7135 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
7136 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
7137 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
7138 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
7139 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
7140 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
7141 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
7142 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
7144 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7145 "2534 Device Info: SLIFamily=0x%x, "
7146 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
7147 "SLIHint_2=0x%x, FT=0x%x\n",
7148 bf_get(lpfc_sli_intf_sli_family
,
7149 &phba
->sli4_hba
.sli_intf
),
7150 bf_get(lpfc_sli_intf_slirev
,
7151 &phba
->sli4_hba
.sli_intf
),
7152 bf_get(lpfc_sli_intf_if_type
,
7153 &phba
->sli4_hba
.sli_intf
),
7154 bf_get(lpfc_sli_intf_sli_hint1
,
7155 &phba
->sli4_hba
.sli_intf
),
7156 bf_get(lpfc_sli_intf_sli_hint2
,
7157 &phba
->sli4_hba
.sli_intf
),
7158 bf_get(lpfc_sli_intf_func_type
,
7159 &phba
->sli4_hba
.sli_intf
));
7161 * Check for other Port errors during the initialization
7162 * process. Fail the load if the port did not come up
7165 if_type
= bf_get(lpfc_sli_intf_if_type
,
7166 &phba
->sli4_hba
.sli_intf
);
7168 case LPFC_SLI_INTF_IF_TYPE_0
:
7169 phba
->sli4_hba
.ue_mask_lo
=
7170 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
7171 phba
->sli4_hba
.ue_mask_hi
=
7172 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
7174 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
7176 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
7177 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
7178 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
7179 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7180 "1422 Unrecoverable Error "
7181 "Detected during POST "
7182 "uerr_lo_reg=0x%x, "
7183 "uerr_hi_reg=0x%x, "
7184 "ue_mask_lo_reg=0x%x, "
7185 "ue_mask_hi_reg=0x%x\n",
7188 phba
->sli4_hba
.ue_mask_lo
,
7189 phba
->sli4_hba
.ue_mask_hi
);
7190 port_error
= -ENODEV
;
7193 case LPFC_SLI_INTF_IF_TYPE_2
:
7194 /* Final checks. The port status should be clean. */
7195 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
7197 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
7198 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
7199 phba
->work_status
[0] =
7200 readl(phba
->sli4_hba
.u
.if_type2
.
7202 phba
->work_status
[1] =
7203 readl(phba
->sli4_hba
.u
.if_type2
.
7205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7206 "2888 Unrecoverable port error "
7207 "following POST: port status reg "
7208 "0x%x, port_smphr reg 0x%x, "
7209 "error 1=0x%x, error 2=0x%x\n",
7211 portsmphr_reg
.word0
,
7212 phba
->work_status
[0],
7213 phba
->work_status
[1]);
7214 port_error
= -ENODEV
;
7217 case LPFC_SLI_INTF_IF_TYPE_1
:
7226 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
7227 * @phba: pointer to lpfc hba data structure.
7228 * @if_type: The SLI4 interface type getting configured.
7230 * This routine is invoked to set up SLI4 BAR0 PCI config space register
7234 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
7237 case LPFC_SLI_INTF_IF_TYPE_0
:
7238 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
7239 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
7240 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
7241 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
7242 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
7243 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
7244 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
7245 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
7246 phba
->sli4_hba
.SLIINTFregaddr
=
7247 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7249 case LPFC_SLI_INTF_IF_TYPE_2
:
7250 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
7251 phba
->sli4_hba
.conf_regs_memmap_p
+
7252 LPFC_CTL_PORT_ER1_OFFSET
;
7253 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
7254 phba
->sli4_hba
.conf_regs_memmap_p
+
7255 LPFC_CTL_PORT_ER2_OFFSET
;
7256 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
7257 phba
->sli4_hba
.conf_regs_memmap_p
+
7258 LPFC_CTL_PORT_CTL_OFFSET
;
7259 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
7260 phba
->sli4_hba
.conf_regs_memmap_p
+
7261 LPFC_CTL_PORT_STA_OFFSET
;
7262 phba
->sli4_hba
.SLIINTFregaddr
=
7263 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7264 phba
->sli4_hba
.PSMPHRregaddr
=
7265 phba
->sli4_hba
.conf_regs_memmap_p
+
7266 LPFC_CTL_PORT_SEM_OFFSET
;
7267 phba
->sli4_hba
.RQDBregaddr
=
7268 phba
->sli4_hba
.conf_regs_memmap_p
+
7269 LPFC_ULP0_RQ_DOORBELL
;
7270 phba
->sli4_hba
.WQDBregaddr
=
7271 phba
->sli4_hba
.conf_regs_memmap_p
+
7272 LPFC_ULP0_WQ_DOORBELL
;
7273 phba
->sli4_hba
.EQCQDBregaddr
=
7274 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
7275 phba
->sli4_hba
.MQDBregaddr
=
7276 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
7277 phba
->sli4_hba
.BMBXregaddr
=
7278 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
7280 case LPFC_SLI_INTF_IF_TYPE_1
:
7282 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7283 "FATAL - unsupported SLI4 interface type - %d\n",
7290 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
7291 * @phba: pointer to lpfc hba data structure.
7293 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
7297 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
7299 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7300 LPFC_SLIPORT_IF0_SMPHR
;
7301 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7303 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7305 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7310 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
7311 * @phba: pointer to lpfc hba data structure.
7312 * @vf: virtual function number
7314 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
7315 * based on the given viftual function number, @vf.
7317 * Return 0 if successful, otherwise -ENODEV.
7320 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
7322 if (vf
> LPFC_VIR_FUNC_MAX
)
7325 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7326 vf
* LPFC_VFR_PAGE_SIZE
+
7327 LPFC_ULP0_RQ_DOORBELL
);
7328 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7329 vf
* LPFC_VFR_PAGE_SIZE
+
7330 LPFC_ULP0_WQ_DOORBELL
);
7331 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7332 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
7333 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7334 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
7335 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7336 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
7341 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
7342 * @phba: pointer to lpfc hba data structure.
7344 * This routine is invoked to create the bootstrap mailbox
7345 * region consistent with the SLI-4 interface spec. This
7346 * routine allocates all memory necessary to communicate
7347 * mailbox commands to the port and sets up all alignment
7348 * needs. No locks are expected to be held when calling
7353 * -ENOMEM - could not allocated memory.
7356 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
7359 struct lpfc_dmabuf
*dmabuf
;
7360 struct dma_address
*dma_address
;
7364 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
7369 * The bootstrap mailbox region is comprised of 2 parts
7370 * plus an alignment restriction of 16 bytes.
7372 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
7373 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
7374 &dmabuf
->phys
, GFP_KERNEL
);
7375 if (!dmabuf
->virt
) {
7381 * Initialize the bootstrap mailbox pointers now so that the register
7382 * operations are simple later. The mailbox dma address is required
7383 * to be 16-byte aligned. Also align the virtual memory as each
7384 * maibox is copied into the bmbx mailbox region before issuing the
7385 * command to the port.
7387 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
7388 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
7390 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
7391 LPFC_ALIGN_16_BYTE
);
7392 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
7393 LPFC_ALIGN_16_BYTE
);
7396 * Set the high and low physical addresses now. The SLI4 alignment
7397 * requirement is 16 bytes and the mailbox is posted to the port
7398 * as two 30-bit addresses. The other data is a bit marking whether
7399 * the 30-bit address is the high or low address.
7400 * Upcast bmbx aphys to 64bits so shift instruction compiles
7401 * clean on 32 bit machines.
7403 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
7404 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
7405 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
7406 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
7407 LPFC_BMBX_BIT1_ADDR_HI
);
7409 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
7410 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
7411 LPFC_BMBX_BIT1_ADDR_LO
);
7416 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
7417 * @phba: pointer to lpfc hba data structure.
7419 * This routine is invoked to teardown the bootstrap mailbox
7420 * region and release all host resources. This routine requires
7421 * the caller to ensure all mailbox commands recovered, no
7422 * additional mailbox comands are sent, and interrupts are disabled
7423 * before calling this routine.
7427 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
7429 dma_free_coherent(&phba
->pcidev
->dev
,
7430 phba
->sli4_hba
.bmbx
.bmbx_size
,
7431 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
7432 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
7434 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
7435 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
7439 * lpfc_sli4_read_config - Get the config parameters.
7440 * @phba: pointer to lpfc hba data structure.
7442 * This routine is invoked to read the configuration parameters from the HBA.
7443 * The configuration parameters are used to set the base and maximum values
7444 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
7445 * allocation for the port.
7449 * -ENOMEM - No available memory
7450 * -EIO - The mailbox failed to complete successfully.
7453 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
7456 struct lpfc_mbx_read_config
*rd_config
;
7457 union lpfc_sli4_cfg_shdr
*shdr
;
7458 uint32_t shdr_status
, shdr_add_status
;
7459 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
7460 struct lpfc_rsrc_desc_fcfcoe
*desc
;
7462 uint16_t forced_link_speed
;
7464 int length
, i
, rc
= 0, rc2
;
7466 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7468 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7469 "2011 Unable to allocate memory for issuing "
7470 "SLI_CONFIG_SPECIAL mailbox command\n");
7474 lpfc_read_config(phba
, pmb
);
7476 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7477 if (rc
!= MBX_SUCCESS
) {
7478 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7479 "2012 Mailbox failed , mbxCmd x%x "
7480 "READ_CONFIG, mbxStatus x%x\n",
7481 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
7482 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
7485 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
7486 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
7487 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
7488 phba
->sli4_hba
.lnk_info
.lnk_tp
=
7489 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
7490 phba
->sli4_hba
.lnk_info
.lnk_no
=
7491 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
7492 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7493 "3081 lnk_type:%d, lnk_numb:%d\n",
7494 phba
->sli4_hba
.lnk_info
.lnk_tp
,
7495 phba
->sli4_hba
.lnk_info
.lnk_no
);
7497 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
7498 "3082 Mailbox (x%x) returned ldv:x0\n",
7499 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
7500 phba
->sli4_hba
.extents_in_use
=
7501 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
7502 phba
->sli4_hba
.max_cfg_param
.max_xri
=
7503 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
7504 phba
->sli4_hba
.max_cfg_param
.xri_base
=
7505 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
7506 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
7507 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
7508 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
7509 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
7510 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
7511 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
7512 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
7513 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
7514 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
7515 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
7516 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
7517 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
7518 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
7519 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
7520 phba
->sli4_hba
.max_cfg_param
.max_eq
=
7521 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
7522 phba
->sli4_hba
.max_cfg_param
.max_rq
=
7523 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
7524 phba
->sli4_hba
.max_cfg_param
.max_wq
=
7525 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
7526 phba
->sli4_hba
.max_cfg_param
.max_cq
=
7527 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
7528 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
7529 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
7530 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
7531 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
7532 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
7533 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
7534 phba
->max_vports
= phba
->max_vpi
;
7535 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7536 "2003 cfg params Extents? %d "
7541 "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n",
7542 phba
->sli4_hba
.extents_in_use
,
7543 phba
->sli4_hba
.max_cfg_param
.xri_base
,
7544 phba
->sli4_hba
.max_cfg_param
.max_xri
,
7545 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
7546 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
7547 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
7548 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
7549 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
7550 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
7551 phba
->sli4_hba
.max_cfg_param
.max_fcfi
,
7552 phba
->sli4_hba
.max_cfg_param
.max_eq
,
7553 phba
->sli4_hba
.max_cfg_param
.max_cq
,
7554 phba
->sli4_hba
.max_cfg_param
.max_wq
,
7555 phba
->sli4_hba
.max_cfg_param
.max_rq
);
7562 /* Update link speed if forced link speed is supported */
7563 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7564 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7566 bf_get(lpfc_mbx_rd_conf_link_speed
, rd_config
);
7567 if (forced_link_speed
) {
7568 phba
->hba_flag
|= HBA_FORCED_LINK_SPEED
;
7570 switch (forced_link_speed
) {
7572 phba
->cfg_link_speed
=
7573 LPFC_USER_LINK_SPEED_1G
;
7576 phba
->cfg_link_speed
=
7577 LPFC_USER_LINK_SPEED_2G
;
7580 phba
->cfg_link_speed
=
7581 LPFC_USER_LINK_SPEED_4G
;
7584 phba
->cfg_link_speed
=
7585 LPFC_USER_LINK_SPEED_8G
;
7587 case LINK_SPEED_10G
:
7588 phba
->cfg_link_speed
=
7589 LPFC_USER_LINK_SPEED_10G
;
7591 case LINK_SPEED_16G
:
7592 phba
->cfg_link_speed
=
7593 LPFC_USER_LINK_SPEED_16G
;
7595 case LINK_SPEED_32G
:
7596 phba
->cfg_link_speed
=
7597 LPFC_USER_LINK_SPEED_32G
;
7600 phba
->cfg_link_speed
=
7601 LPFC_USER_LINK_SPEED_AUTO
;
7604 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7605 "0047 Unrecognized link "
7608 phba
->cfg_link_speed
=
7609 LPFC_USER_LINK_SPEED_AUTO
;
7614 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
7615 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
7616 lpfc_sli4_get_els_iocb_cnt(phba
);
7617 if (phba
->cfg_hba_queue_depth
> length
) {
7618 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7619 "3361 HBA queue depth changed from %d to %d\n",
7620 phba
->cfg_hba_queue_depth
, length
);
7621 phba
->cfg_hba_queue_depth
= length
;
7624 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
7625 LPFC_SLI_INTF_IF_TYPE_2
)
7628 /* get the pf# and vf# for SLI4 if_type 2 port */
7629 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
7630 sizeof(struct lpfc_sli4_cfg_mhdr
));
7631 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7632 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
7633 length
, LPFC_SLI4_MBX_EMBED
);
7635 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7636 shdr
= (union lpfc_sli4_cfg_shdr
*)
7637 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7638 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7639 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7640 if (rc2
|| shdr_status
|| shdr_add_status
) {
7641 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7642 "3026 Mailbox failed , mbxCmd x%x "
7643 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
7644 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
7645 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
7649 /* search for fc_fcoe resrouce descriptor */
7650 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
7652 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
7653 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
7654 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
7655 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
7656 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
7657 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
7660 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
7661 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
7662 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
7663 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
7664 phba
->sli4_hba
.iov
.pf_number
=
7665 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
7666 phba
->sli4_hba
.iov
.vf_number
=
7667 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
7672 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
7673 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7674 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
7675 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
7676 phba
->sli4_hba
.iov
.vf_number
);
7678 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7679 "3028 GET_FUNCTION_CONFIG: failed to find "
7680 "Resrouce Descriptor:x%x\n",
7681 LPFC_RSRC_DESC_TYPE_FCFCOE
);
7684 mempool_free(pmb
, phba
->mbox_mem_pool
);
7689 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
7690 * @phba: pointer to lpfc hba data structure.
7692 * This routine is invoked to setup the port-side endian order when
7693 * the port if_type is 0. This routine has no function for other
7698 * -ENOMEM - No available memory
7699 * -EIO - The mailbox failed to complete successfully.
7702 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
7704 LPFC_MBOXQ_t
*mboxq
;
7705 uint32_t if_type
, rc
= 0;
7706 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
7707 HOST_ENDIAN_HIGH_WORD1
};
7709 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7711 case LPFC_SLI_INTF_IF_TYPE_0
:
7712 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7715 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7716 "0492 Unable to allocate memory for "
7717 "issuing SLI_CONFIG_SPECIAL mailbox "
7723 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
7724 * two words to contain special data values and no other data.
7726 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
7727 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
7728 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7729 if (rc
!= MBX_SUCCESS
) {
7730 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7731 "0493 SLI_CONFIG_SPECIAL mailbox "
7732 "failed with status x%x\n",
7736 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7738 case LPFC_SLI_INTF_IF_TYPE_2
:
7739 case LPFC_SLI_INTF_IF_TYPE_1
:
7747 * lpfc_sli4_queue_verify - Verify and update EQ counts
7748 * @phba: pointer to lpfc hba data structure.
7750 * This routine is invoked to check the user settable queue counts for EQs.
7751 * After this routine is called the counts will be set to valid values that
7752 * adhere to the constraints of the system's interrupt vectors and the port's
7757 * -ENOMEM - No available memory
7760 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
7763 int fof_vectors
= phba
->cfg_fof
? 1 : 0;
7766 * Sanity check for configured queue parameters against the run-time
7770 /* Sanity check on HBA EQ parameters */
7771 io_channel
= phba
->io_channel_irqs
;
7773 if (phba
->sli4_hba
.num_online_cpu
< io_channel
) {
7774 lpfc_printf_log(phba
,
7776 "3188 Reducing IO channels to match number of "
7777 "online CPUs: from %d to %d\n",
7778 io_channel
, phba
->sli4_hba
.num_online_cpu
);
7779 io_channel
= phba
->sli4_hba
.num_online_cpu
;
7782 if (io_channel
+ fof_vectors
> phba
->sli4_hba
.max_cfg_param
.max_eq
) {
7783 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7784 "2575 Reducing IO channels to match number of "
7785 "available EQs: from %d to %d\n",
7787 phba
->sli4_hba
.max_cfg_param
.max_eq
);
7788 io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
- fof_vectors
;
7791 /* The actual number of FCP / NVME event queues adopted */
7792 if (io_channel
!= phba
->io_channel_irqs
)
7793 phba
->io_channel_irqs
= io_channel
;
7794 if (phba
->cfg_fcp_io_channel
> io_channel
)
7795 phba
->cfg_fcp_io_channel
= io_channel
;
7796 if (phba
->cfg_nvme_io_channel
> io_channel
)
7797 phba
->cfg_nvme_io_channel
= io_channel
;
7798 if (phba
->cfg_nvme_io_channel
< phba
->cfg_nvmet_mrq
)
7799 phba
->cfg_nvmet_mrq
= phba
->cfg_nvme_io_channel
;
7801 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7802 "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n",
7803 phba
->io_channel_irqs
, phba
->cfg_fcp_io_channel
,
7804 phba
->cfg_nvme_io_channel
, phba
->cfg_nvmet_mrq
);
7806 /* Get EQ depth from module parameter, fake the default for now */
7807 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7808 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7810 /* Get CQ depth from module parameter, fake the default for now */
7811 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7812 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7817 lpfc_alloc_nvme_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
7819 struct lpfc_queue
*qdesc
;
7822 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7823 phba
->sli4_hba
.cq_ecount
);
7825 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7826 "0508 Failed allocate fast-path NVME CQ (%d)\n",
7830 phba
->sli4_hba
.nvme_cq
[wqidx
] = qdesc
;
7832 cnt
= LPFC_NVME_WQSIZE
;
7833 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_WQE128_SIZE
, cnt
);
7835 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7836 "0509 Failed allocate fast-path NVME WQ (%d)\n",
7840 phba
->sli4_hba
.nvme_wq
[wqidx
] = qdesc
;
7841 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
7846 lpfc_alloc_fcp_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
7848 struct lpfc_queue
*qdesc
;
7851 /* Create Fast Path FCP CQs */
7852 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7853 phba
->sli4_hba
.cq_ecount
);
7855 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7856 "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx
);
7859 phba
->sli4_hba
.fcp_cq
[wqidx
] = qdesc
;
7861 /* Create Fast Path FCP WQs */
7862 wqesize
= (phba
->fcp_embed_io
) ?
7863 LPFC_WQE128_SIZE
: phba
->sli4_hba
.wq_esize
;
7864 qdesc
= lpfc_sli4_queue_alloc(phba
, wqesize
, phba
->sli4_hba
.wq_ecount
);
7866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7867 "0503 Failed allocate fast-path FCP WQ (%d)\n",
7871 phba
->sli4_hba
.fcp_wq
[wqidx
] = qdesc
;
7872 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
7877 * lpfc_sli4_queue_create - Create all the SLI4 queues
7878 * @phba: pointer to lpfc hba data structure.
7880 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7881 * operation. For each SLI4 queue type, the parameters such as queue entry
7882 * count (queue depth) shall be taken from the module parameter. For now,
7883 * we just use some constant number as place holder.
7887 * -ENOMEM - No availble memory
7888 * -EIO - The mailbox failed to complete successfully.
7891 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
7893 struct lpfc_queue
*qdesc
;
7894 int idx
, io_channel
;
7897 * Create HBA Record arrays.
7898 * Both NVME and FCP will share that same vectors / EQs
7900 io_channel
= phba
->io_channel_irqs
;
7904 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
7905 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
7906 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
7907 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
7908 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
7909 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
7910 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7911 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7912 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7913 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7915 phba
->sli4_hba
.hba_eq
= kcalloc(io_channel
,
7916 sizeof(struct lpfc_queue
*),
7918 if (!phba
->sli4_hba
.hba_eq
) {
7919 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7920 "2576 Failed allocate memory for "
7921 "fast-path EQ record array\n");
7925 if (phba
->cfg_fcp_io_channel
) {
7926 phba
->sli4_hba
.fcp_cq
= kcalloc(phba
->cfg_fcp_io_channel
,
7927 sizeof(struct lpfc_queue
*),
7929 if (!phba
->sli4_hba
.fcp_cq
) {
7930 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7931 "2577 Failed allocate memory for "
7932 "fast-path CQ record array\n");
7935 phba
->sli4_hba
.fcp_wq
= kcalloc(phba
->cfg_fcp_io_channel
,
7936 sizeof(struct lpfc_queue
*),
7938 if (!phba
->sli4_hba
.fcp_wq
) {
7939 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7940 "2578 Failed allocate memory for "
7941 "fast-path FCP WQ record array\n");
7945 * Since the first EQ can have multiple CQs associated with it,
7946 * this array is used to quickly see if we have a FCP fast-path
7949 phba
->sli4_hba
.fcp_cq_map
= kcalloc(phba
->cfg_fcp_io_channel
,
7952 if (!phba
->sli4_hba
.fcp_cq_map
) {
7953 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7954 "2545 Failed allocate memory for "
7955 "fast-path CQ map\n");
7960 if (phba
->cfg_nvme_io_channel
) {
7961 phba
->sli4_hba
.nvme_cq
= kcalloc(phba
->cfg_nvme_io_channel
,
7962 sizeof(struct lpfc_queue
*),
7964 if (!phba
->sli4_hba
.nvme_cq
) {
7965 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7966 "6077 Failed allocate memory for "
7967 "fast-path CQ record array\n");
7971 phba
->sli4_hba
.nvme_wq
= kcalloc(phba
->cfg_nvme_io_channel
,
7972 sizeof(struct lpfc_queue
*),
7974 if (!phba
->sli4_hba
.nvme_wq
) {
7975 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7976 "2581 Failed allocate memory for "
7977 "fast-path NVME WQ record array\n");
7982 * Since the first EQ can have multiple CQs associated with it,
7983 * this array is used to quickly see if we have a NVME fast-path
7986 phba
->sli4_hba
.nvme_cq_map
= kcalloc(phba
->cfg_nvme_io_channel
,
7989 if (!phba
->sli4_hba
.nvme_cq_map
) {
7990 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7991 "6078 Failed allocate memory for "
7992 "fast-path CQ map\n");
7996 if (phba
->nvmet_support
) {
7997 phba
->sli4_hba
.nvmet_cqset
= kcalloc(
7998 phba
->cfg_nvmet_mrq
,
7999 sizeof(struct lpfc_queue
*),
8001 if (!phba
->sli4_hba
.nvmet_cqset
) {
8002 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8003 "3121 Fail allocate memory for "
8004 "fast-path CQ set array\n");
8007 phba
->sli4_hba
.nvmet_mrq_hdr
= kcalloc(
8008 phba
->cfg_nvmet_mrq
,
8009 sizeof(struct lpfc_queue
*),
8011 if (!phba
->sli4_hba
.nvmet_mrq_hdr
) {
8012 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8013 "3122 Fail allocate memory for "
8014 "fast-path RQ set hdr array\n");
8017 phba
->sli4_hba
.nvmet_mrq_data
= kcalloc(
8018 phba
->cfg_nvmet_mrq
,
8019 sizeof(struct lpfc_queue
*),
8021 if (!phba
->sli4_hba
.nvmet_mrq_data
) {
8022 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8023 "3124 Fail allocate memory for "
8024 "fast-path RQ set data array\n");
8030 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
8032 /* Create HBA Event Queues (EQs) */
8033 for (idx
= 0; idx
< io_channel
; idx
++) {
8035 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
8036 phba
->sli4_hba
.eq_ecount
);
8038 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8039 "0497 Failed allocate EQ (%d)\n", idx
);
8042 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
8045 /* FCP and NVME io channels are not required to be balanced */
8047 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8048 if (lpfc_alloc_fcp_wq_cq(phba
, idx
))
8051 for (idx
= 0; idx
< phba
->cfg_nvme_io_channel
; idx
++)
8052 if (lpfc_alloc_nvme_wq_cq(phba
, idx
))
8055 if (phba
->nvmet_support
) {
8056 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
8057 qdesc
= lpfc_sli4_queue_alloc(phba
,
8058 phba
->sli4_hba
.cq_esize
,
8059 phba
->sli4_hba
.cq_ecount
);
8061 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8062 "3142 Failed allocate NVME "
8063 "CQ Set (%d)\n", idx
);
8066 phba
->sli4_hba
.nvmet_cqset
[idx
] = qdesc
;
8071 * Create Slow Path Completion Queues (CQs)
8074 /* Create slow-path Mailbox Command Complete Queue */
8075 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8076 phba
->sli4_hba
.cq_ecount
);
8078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8079 "0500 Failed allocate slow-path mailbox CQ\n");
8082 phba
->sli4_hba
.mbx_cq
= qdesc
;
8084 /* Create slow-path ELS Complete Queue */
8085 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8086 phba
->sli4_hba
.cq_ecount
);
8088 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8089 "0501 Failed allocate slow-path ELS CQ\n");
8092 phba
->sli4_hba
.els_cq
= qdesc
;
8096 * Create Slow Path Work Queues (WQs)
8099 /* Create Mailbox Command Queue */
8101 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
8102 phba
->sli4_hba
.mq_ecount
);
8104 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8105 "0505 Failed allocate slow-path MQ\n");
8108 phba
->sli4_hba
.mbx_wq
= qdesc
;
8111 * Create ELS Work Queues
8114 /* Create slow-path ELS Work Queue */
8115 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
8116 phba
->sli4_hba
.wq_ecount
);
8118 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8119 "0504 Failed allocate slow-path ELS WQ\n");
8122 phba
->sli4_hba
.els_wq
= qdesc
;
8123 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8125 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
8126 /* Create NVME LS Complete Queue */
8127 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8128 phba
->sli4_hba
.cq_ecount
);
8130 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8131 "6079 Failed allocate NVME LS CQ\n");
8134 phba
->sli4_hba
.nvmels_cq
= qdesc
;
8136 /* Create NVME LS Work Queue */
8137 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
8138 phba
->sli4_hba
.wq_ecount
);
8140 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8141 "6080 Failed allocate NVME LS WQ\n");
8144 phba
->sli4_hba
.nvmels_wq
= qdesc
;
8145 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8149 * Create Receive Queue (RQ)
8152 /* Create Receive Queue for header */
8153 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
8154 phba
->sli4_hba
.rq_ecount
);
8156 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8157 "0506 Failed allocate receive HRQ\n");
8160 phba
->sli4_hba
.hdr_rq
= qdesc
;
8162 /* Create Receive Queue for data */
8163 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
8164 phba
->sli4_hba
.rq_ecount
);
8166 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8167 "0507 Failed allocate receive DRQ\n");
8170 phba
->sli4_hba
.dat_rq
= qdesc
;
8172 if (phba
->nvmet_support
) {
8173 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
8174 /* Create NVMET Receive Queue for header */
8175 qdesc
= lpfc_sli4_queue_alloc(phba
,
8176 phba
->sli4_hba
.rq_esize
,
8177 LPFC_NVMET_RQE_DEF_COUNT
);
8179 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8180 "3146 Failed allocate "
8184 phba
->sli4_hba
.nvmet_mrq_hdr
[idx
] = qdesc
;
8186 /* Only needed for header of RQ pair */
8187 qdesc
->rqbp
= kzalloc(sizeof(struct lpfc_rqb
),
8189 if (qdesc
->rqbp
== NULL
) {
8190 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8191 "6131 Failed allocate "
8196 /* Create NVMET Receive Queue for data */
8197 qdesc
= lpfc_sli4_queue_alloc(phba
,
8198 phba
->sli4_hba
.rq_esize
,
8199 LPFC_NVMET_RQE_DEF_COUNT
);
8201 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8202 "3156 Failed allocate "
8206 phba
->sli4_hba
.nvmet_mrq_data
[idx
] = qdesc
;
8210 /* Create the Queues needed for Flash Optimized Fabric operations */
8212 lpfc_fof_queue_create(phba
);
8216 lpfc_sli4_queue_destroy(phba
);
8221 __lpfc_sli4_release_queue(struct lpfc_queue
**qp
)
8224 lpfc_sli4_queue_free(*qp
);
8230 lpfc_sli4_release_queues(struct lpfc_queue
***qs
, int max
)
8237 for (idx
= 0; idx
< max
; idx
++)
8238 __lpfc_sli4_release_queue(&(*qs
)[idx
]);
8245 lpfc_sli4_release_queue_map(uint16_t **qmap
)
8247 if (*qmap
!= NULL
) {
8254 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
8255 * @phba: pointer to lpfc hba data structure.
8257 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
8262 * -ENOMEM - No available memory
8263 * -EIO - The mailbox failed to complete successfully.
8266 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
8269 lpfc_fof_queue_destroy(phba
);
8271 /* Release HBA eqs */
8272 lpfc_sli4_release_queues(&phba
->sli4_hba
.hba_eq
, phba
->io_channel_irqs
);
8274 /* Release FCP cqs */
8275 lpfc_sli4_release_queues(&phba
->sli4_hba
.fcp_cq
,
8276 phba
->cfg_fcp_io_channel
);
8278 /* Release FCP wqs */
8279 lpfc_sli4_release_queues(&phba
->sli4_hba
.fcp_wq
,
8280 phba
->cfg_fcp_io_channel
);
8282 /* Release FCP CQ mapping array */
8283 lpfc_sli4_release_queue_map(&phba
->sli4_hba
.fcp_cq_map
);
8285 /* Release NVME cqs */
8286 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvme_cq
,
8287 phba
->cfg_nvme_io_channel
);
8289 /* Release NVME wqs */
8290 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvme_wq
,
8291 phba
->cfg_nvme_io_channel
);
8293 /* Release NVME CQ mapping array */
8294 lpfc_sli4_release_queue_map(&phba
->sli4_hba
.nvme_cq_map
);
8296 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_cqset
,
8297 phba
->cfg_nvmet_mrq
);
8299 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_hdr
,
8300 phba
->cfg_nvmet_mrq
);
8301 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_data
,
8302 phba
->cfg_nvmet_mrq
);
8304 /* Release mailbox command work queue */
8305 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_wq
);
8307 /* Release ELS work queue */
8308 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_wq
);
8310 /* Release ELS work queue */
8311 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_wq
);
8313 /* Release unsolicited receive queue */
8314 __lpfc_sli4_release_queue(&phba
->sli4_hba
.hdr_rq
);
8315 __lpfc_sli4_release_queue(&phba
->sli4_hba
.dat_rq
);
8317 /* Release ELS complete queue */
8318 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_cq
);
8320 /* Release NVME LS complete queue */
8321 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_cq
);
8323 /* Release mailbox command complete queue */
8324 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_cq
);
8326 /* Everything on this list has been freed */
8327 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
8331 lpfc_free_rq_buffer(struct lpfc_hba
*phba
, struct lpfc_queue
*rq
)
8333 struct lpfc_rqb
*rqbp
;
8334 struct lpfc_dmabuf
*h_buf
;
8335 struct rqb_dmabuf
*rqb_buffer
;
8338 while (!list_empty(&rqbp
->rqb_buffer_list
)) {
8339 list_remove_head(&rqbp
->rqb_buffer_list
, h_buf
,
8340 struct lpfc_dmabuf
, list
);
8342 rqb_buffer
= container_of(h_buf
, struct rqb_dmabuf
, hbuf
);
8343 (rqbp
->rqb_free_buffer
)(phba
, rqb_buffer
);
8344 rqbp
->buffer_count
--;
8350 lpfc_create_wq_cq(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
,
8351 struct lpfc_queue
*cq
, struct lpfc_queue
*wq
, uint16_t *cq_map
,
8352 int qidx
, uint32_t qtype
)
8354 struct lpfc_sli_ring
*pring
;
8357 if (!eq
|| !cq
|| !wq
) {
8358 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8359 "6085 Fast-path %s (%d) not allocated\n",
8360 ((eq
) ? ((cq
) ? "WQ" : "CQ") : "EQ"), qidx
);
8364 /* create the Cq first */
8365 rc
= lpfc_cq_create(phba
, cq
, eq
,
8366 (qtype
== LPFC_MBOX
) ? LPFC_MCQ
: LPFC_WCQ
, qtype
);
8368 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8369 "6086 Failed setup of CQ (%d), rc = 0x%x\n",
8370 qidx
, (uint32_t)rc
);
8374 if (qtype
!= LPFC_MBOX
) {
8375 /* Setup nvme_cq_map for fast lookup */
8377 *cq_map
= cq
->queue_id
;
8379 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8380 "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n",
8381 qidx
, cq
->queue_id
, qidx
, eq
->queue_id
);
8384 rc
= lpfc_wq_create(phba
, wq
, cq
, qtype
);
8386 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8387 "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n",
8388 qidx
, (uint32_t)rc
);
8389 /* no need to tear down cq - caller will do so */
8393 /* Bind this CQ/WQ to the NVME ring */
8395 pring
->sli
.sli4
.wqp
= (void *)wq
;
8398 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8399 "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n",
8400 qidx
, wq
->queue_id
, wq
->assoc_qid
, qidx
, cq
->queue_id
);
8402 rc
= lpfc_mq_create(phba
, wq
, cq
, LPFC_MBOX
);
8404 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8405 "0539 Failed setup of slow-path MQ: "
8407 /* no need to tear down cq - caller will do so */
8411 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8412 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
8413 phba
->sli4_hba
.mbx_wq
->queue_id
,
8414 phba
->sli4_hba
.mbx_cq
->queue_id
);
8421 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
8422 * @phba: pointer to lpfc hba data structure.
8424 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
8429 * -ENOMEM - No available memory
8430 * -EIO - The mailbox failed to complete successfully.
8433 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
8435 uint32_t shdr_status
, shdr_add_status
;
8436 union lpfc_sli4_cfg_shdr
*shdr
;
8437 LPFC_MBOXQ_t
*mboxq
;
8439 uint32_t length
, io_channel
;
8442 /* Check for dual-ULP support */
8443 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8445 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8446 "3249 Unable to allocate memory for "
8447 "QUERY_FW_CFG mailbox command\n");
8450 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
8451 sizeof(struct lpfc_sli4_cfg_mhdr
));
8452 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8453 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
8454 length
, LPFC_SLI4_MBX_EMBED
);
8456 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8458 shdr
= (union lpfc_sli4_cfg_shdr
*)
8459 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
8460 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
8461 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
8462 if (shdr_status
|| shdr_add_status
|| rc
) {
8463 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8464 "3250 QUERY_FW_CFG mailbox failed with status "
8465 "x%x add_status x%x, mbx status x%x\n",
8466 shdr_status
, shdr_add_status
, rc
);
8467 if (rc
!= MBX_TIMEOUT
)
8468 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8473 phba
->sli4_hba
.fw_func_mode
=
8474 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
8475 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
8476 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
8477 phba
->sli4_hba
.physical_port
=
8478 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.physical_port
;
8479 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8480 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
8481 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
8482 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
8484 if (rc
!= MBX_TIMEOUT
)
8485 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8488 * Set up HBA Event Queues (EQs)
8490 io_channel
= phba
->io_channel_irqs
;
8492 /* Set up HBA event queue */
8493 if (io_channel
&& !phba
->sli4_hba
.hba_eq
) {
8494 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8495 "3147 Fast-path EQs not allocated\n");
8499 for (qidx
= 0; qidx
< io_channel
; qidx
++) {
8500 if (!phba
->sli4_hba
.hba_eq
[qidx
]) {
8501 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8502 "0522 Fast-path EQ (%d) not "
8503 "allocated\n", qidx
);
8507 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[qidx
],
8508 phba
->cfg_fcp_imax
);
8510 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8511 "0523 Failed setup of fast-path EQ "
8512 "(%d), rc = 0x%x\n", qidx
,
8516 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8517 "2584 HBA EQ setup: queue[%d]-id=%d\n",
8518 qidx
, phba
->sli4_hba
.hba_eq
[qidx
]->queue_id
);
8521 if (phba
->cfg_nvme_io_channel
) {
8522 if (!phba
->sli4_hba
.nvme_cq
|| !phba
->sli4_hba
.nvme_wq
) {
8523 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8524 "6084 Fast-path NVME %s array not allocated\n",
8525 (phba
->sli4_hba
.nvme_cq
) ? "CQ" : "WQ");
8530 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++) {
8531 rc
= lpfc_create_wq_cq(phba
,
8532 phba
->sli4_hba
.hba_eq
[
8534 phba
->sli4_hba
.nvme_cq
[qidx
],
8535 phba
->sli4_hba
.nvme_wq
[qidx
],
8536 &phba
->sli4_hba
.nvme_cq_map
[qidx
],
8539 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8540 "6123 Failed to setup fastpath "
8541 "NVME WQ/CQ (%d), rc = 0x%x\n",
8542 qidx
, (uint32_t)rc
);
8548 if (phba
->cfg_fcp_io_channel
) {
8549 /* Set up fast-path FCP Response Complete Queue */
8550 if (!phba
->sli4_hba
.fcp_cq
|| !phba
->sli4_hba
.fcp_wq
) {
8551 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8552 "3148 Fast-path FCP %s array not allocated\n",
8553 phba
->sli4_hba
.fcp_cq
? "WQ" : "CQ");
8558 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++) {
8559 rc
= lpfc_create_wq_cq(phba
,
8560 phba
->sli4_hba
.hba_eq
[
8562 phba
->sli4_hba
.fcp_cq
[qidx
],
8563 phba
->sli4_hba
.fcp_wq
[qidx
],
8564 &phba
->sli4_hba
.fcp_cq_map
[qidx
],
8567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8568 "0535 Failed to setup fastpath "
8569 "FCP WQ/CQ (%d), rc = 0x%x\n",
8570 qidx
, (uint32_t)rc
);
8577 * Set up Slow Path Complete Queues (CQs)
8580 /* Set up slow-path MBOX CQ/MQ */
8582 if (!phba
->sli4_hba
.mbx_cq
|| !phba
->sli4_hba
.mbx_wq
) {
8583 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8584 "0528 %s not allocated\n",
8585 phba
->sli4_hba
.mbx_cq
?
8586 "Mailbox WQ" : "Mailbox CQ");
8591 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8592 phba
->sli4_hba
.mbx_cq
,
8593 phba
->sli4_hba
.mbx_wq
,
8594 NULL
, 0, LPFC_MBOX
);
8596 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8597 "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n",
8601 if (phba
->nvmet_support
) {
8602 if (!phba
->sli4_hba
.nvmet_cqset
) {
8603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8604 "3165 Fast-path NVME CQ Set "
8605 "array not allocated\n");
8609 if (phba
->cfg_nvmet_mrq
> 1) {
8610 rc
= lpfc_cq_create_set(phba
,
8611 phba
->sli4_hba
.nvmet_cqset
,
8612 phba
->sli4_hba
.hba_eq
,
8613 LPFC_WCQ
, LPFC_NVMET
);
8615 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8616 "3164 Failed setup of NVME CQ "
8622 /* Set up NVMET Receive Complete Queue */
8623 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.nvmet_cqset
[0],
8624 phba
->sli4_hba
.hba_eq
[0],
8625 LPFC_WCQ
, LPFC_NVMET
);
8627 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8628 "6089 Failed setup NVMET CQ: "
8629 "rc = 0x%x\n", (uint32_t)rc
);
8632 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8633 "6090 NVMET CQ setup: cq-id=%d, "
8634 "parent eq-id=%d\n",
8635 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
,
8636 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
8640 /* Set up slow-path ELS WQ/CQ */
8641 if (!phba
->sli4_hba
.els_cq
|| !phba
->sli4_hba
.els_wq
) {
8642 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8643 "0530 ELS %s not allocated\n",
8644 phba
->sli4_hba
.els_cq
? "WQ" : "CQ");
8648 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8649 phba
->sli4_hba
.els_cq
,
8650 phba
->sli4_hba
.els_wq
,
8653 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8654 "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n",
8658 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8659 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
8660 phba
->sli4_hba
.els_wq
->queue_id
,
8661 phba
->sli4_hba
.els_cq
->queue_id
);
8663 if (phba
->cfg_nvme_io_channel
) {
8664 /* Set up NVME LS Complete Queue */
8665 if (!phba
->sli4_hba
.nvmels_cq
|| !phba
->sli4_hba
.nvmels_wq
) {
8666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8667 "6091 LS %s not allocated\n",
8668 phba
->sli4_hba
.nvmels_cq
? "WQ" : "CQ");
8672 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8673 phba
->sli4_hba
.nvmels_cq
,
8674 phba
->sli4_hba
.nvmels_wq
,
8675 NULL
, 0, LPFC_NVME_LS
);
8677 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8678 "0529 Failed setup of NVVME LS WQ/CQ: "
8679 "rc = 0x%x\n", (uint32_t)rc
);
8683 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8684 "6096 ELS WQ setup: wq-id=%d, "
8685 "parent cq-id=%d\n",
8686 phba
->sli4_hba
.nvmels_wq
->queue_id
,
8687 phba
->sli4_hba
.nvmels_cq
->queue_id
);
8691 * Create NVMET Receive Queue (RQ)
8693 if (phba
->nvmet_support
) {
8694 if ((!phba
->sli4_hba
.nvmet_cqset
) ||
8695 (!phba
->sli4_hba
.nvmet_mrq_hdr
) ||
8696 (!phba
->sli4_hba
.nvmet_mrq_data
)) {
8697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8698 "6130 MRQ CQ Queues not "
8703 if (phba
->cfg_nvmet_mrq
> 1) {
8704 rc
= lpfc_mrq_create(phba
,
8705 phba
->sli4_hba
.nvmet_mrq_hdr
,
8706 phba
->sli4_hba
.nvmet_mrq_data
,
8707 phba
->sli4_hba
.nvmet_cqset
,
8710 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8711 "6098 Failed setup of NVMET "
8718 rc
= lpfc_rq_create(phba
,
8719 phba
->sli4_hba
.nvmet_mrq_hdr
[0],
8720 phba
->sli4_hba
.nvmet_mrq_data
[0],
8721 phba
->sli4_hba
.nvmet_cqset
[0],
8724 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8725 "6057 Failed setup of NVMET "
8726 "Receive Queue: rc = 0x%x\n",
8732 phba
, KERN_INFO
, LOG_INIT
,
8733 "6099 NVMET RQ setup: hdr-rq-id=%d, "
8734 "dat-rq-id=%d parent cq-id=%d\n",
8735 phba
->sli4_hba
.nvmet_mrq_hdr
[0]->queue_id
,
8736 phba
->sli4_hba
.nvmet_mrq_data
[0]->queue_id
,
8737 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
);
8742 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
8743 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8744 "0540 Receive Queue not allocated\n");
8749 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
8750 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
8752 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8753 "0541 Failed setup of Receive Queue: "
8754 "rc = 0x%x\n", (uint32_t)rc
);
8758 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8759 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
8760 "parent cq-id=%d\n",
8761 phba
->sli4_hba
.hdr_rq
->queue_id
,
8762 phba
->sli4_hba
.dat_rq
->queue_id
,
8763 phba
->sli4_hba
.els_cq
->queue_id
);
8765 if (phba
->cfg_fof
) {
8766 rc
= lpfc_fof_queue_setup(phba
);
8768 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8769 "0549 Failed setup of FOF Queues: "
8775 for (qidx
= 0; qidx
< io_channel
; qidx
+= LPFC_MAX_EQ_DELAY_EQID_CNT
)
8776 lpfc_modify_hba_eq_delay(phba
, qidx
);
8781 lpfc_sli4_queue_unset(phba
);
8787 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
8788 * @phba: pointer to lpfc hba data structure.
8790 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
8795 * -ENOMEM - No available memory
8796 * -EIO - The mailbox failed to complete successfully.
8799 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
8803 /* Unset the queues created for Flash Optimized Fabric operations */
8805 lpfc_fof_queue_destroy(phba
);
8807 /* Unset mailbox command work queue */
8808 if (phba
->sli4_hba
.mbx_wq
)
8809 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
8811 /* Unset NVME LS work queue */
8812 if (phba
->sli4_hba
.nvmels_wq
)
8813 lpfc_wq_destroy(phba
, phba
->sli4_hba
.nvmels_wq
);
8815 /* Unset ELS work queue */
8816 if (phba
->sli4_hba
.els_wq
)
8817 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
8819 /* Unset unsolicited receive queue */
8820 if (phba
->sli4_hba
.hdr_rq
)
8821 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
,
8822 phba
->sli4_hba
.dat_rq
);
8824 /* Unset FCP work queue */
8825 if (phba
->sli4_hba
.fcp_wq
)
8826 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++)
8827 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[qidx
]);
8829 /* Unset NVME work queue */
8830 if (phba
->sli4_hba
.nvme_wq
) {
8831 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++)
8832 lpfc_wq_destroy(phba
, phba
->sli4_hba
.nvme_wq
[qidx
]);
8835 /* Unset mailbox command complete queue */
8836 if (phba
->sli4_hba
.mbx_cq
)
8837 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
8839 /* Unset ELS complete queue */
8840 if (phba
->sli4_hba
.els_cq
)
8841 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
8843 /* Unset NVME LS complete queue */
8844 if (phba
->sli4_hba
.nvmels_cq
)
8845 lpfc_cq_destroy(phba
, phba
->sli4_hba
.nvmels_cq
);
8847 /* Unset NVME response complete queue */
8848 if (phba
->sli4_hba
.nvme_cq
)
8849 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++)
8850 lpfc_cq_destroy(phba
, phba
->sli4_hba
.nvme_cq
[qidx
]);
8852 /* Unset NVMET MRQ queue */
8853 if (phba
->sli4_hba
.nvmet_mrq_hdr
) {
8854 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
8855 lpfc_rq_destroy(phba
,
8856 phba
->sli4_hba
.nvmet_mrq_hdr
[qidx
],
8857 phba
->sli4_hba
.nvmet_mrq_data
[qidx
]);
8860 /* Unset NVMET CQ Set complete queue */
8861 if (phba
->sli4_hba
.nvmet_cqset
) {
8862 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
8863 lpfc_cq_destroy(phba
,
8864 phba
->sli4_hba
.nvmet_cqset
[qidx
]);
8867 /* Unset FCP response complete queue */
8868 if (phba
->sli4_hba
.fcp_cq
)
8869 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++)
8870 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[qidx
]);
8872 /* Unset fast-path event queue */
8873 if (phba
->sli4_hba
.hba_eq
)
8874 for (qidx
= 0; qidx
< phba
->io_channel_irqs
; qidx
++)
8875 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[qidx
]);
8879 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
8880 * @phba: pointer to lpfc hba data structure.
8882 * This routine is invoked to allocate and set up a pool of completion queue
8883 * events. The body of the completion queue event is a completion queue entry
8884 * CQE. For now, this pool is used for the interrupt service routine to queue
8885 * the following HBA completion queue events for the worker thread to process:
8886 * - Mailbox asynchronous events
8887 * - Receive queue completion unsolicited events
8888 * Later, this can be used for all the slow-path events.
8892 * -ENOMEM - No available memory
8895 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
8897 struct lpfc_cq_event
*cq_event
;
8900 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
8901 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
8903 goto out_pool_create_fail
;
8904 list_add_tail(&cq_event
->list
,
8905 &phba
->sli4_hba
.sp_cqe_event_pool
);
8909 out_pool_create_fail
:
8910 lpfc_sli4_cq_event_pool_destroy(phba
);
8915 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
8916 * @phba: pointer to lpfc hba data structure.
8918 * This routine is invoked to free the pool of completion queue events at
8919 * driver unload time. Note that, it is the responsibility of the driver
8920 * cleanup routine to free all the outstanding completion-queue events
8921 * allocated from this pool back into the pool before invoking this routine
8922 * to destroy the pool.
8925 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
8927 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
8929 list_for_each_entry_safe(cq_event
, next_cq_event
,
8930 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
8931 list_del(&cq_event
->list
);
8937 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
8938 * @phba: pointer to lpfc hba data structure.
8940 * This routine is the lock free version of the API invoked to allocate a
8941 * completion-queue event from the free pool.
8943 * Return: Pointer to the newly allocated completion-queue event if successful
8946 struct lpfc_cq_event
*
8947 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
8949 struct lpfc_cq_event
*cq_event
= NULL
;
8951 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
8952 struct lpfc_cq_event
, list
);
8957 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
8958 * @phba: pointer to lpfc hba data structure.
8960 * This routine is the lock version of the API invoked to allocate a
8961 * completion-queue event from the free pool.
8963 * Return: Pointer to the newly allocated completion-queue event if successful
8966 struct lpfc_cq_event
*
8967 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
8969 struct lpfc_cq_event
*cq_event
;
8970 unsigned long iflags
;
8972 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8973 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
8974 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8979 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
8980 * @phba: pointer to lpfc hba data structure.
8981 * @cq_event: pointer to the completion queue event to be freed.
8983 * This routine is the lock free version of the API invoked to release a
8984 * completion-queue event back into the free pool.
8987 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
8988 struct lpfc_cq_event
*cq_event
)
8990 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
8994 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
8995 * @phba: pointer to lpfc hba data structure.
8996 * @cq_event: pointer to the completion queue event to be freed.
8998 * This routine is the lock version of the API invoked to release a
8999 * completion-queue event back into the free pool.
9002 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
9003 struct lpfc_cq_event
*cq_event
)
9005 unsigned long iflags
;
9006 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9007 __lpfc_sli4_cq_event_release(phba
, cq_event
);
9008 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9012 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
9013 * @phba: pointer to lpfc hba data structure.
9015 * This routine is to free all the pending completion-queue events to the
9016 * back into the free pool for device reset.
9019 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
9022 struct lpfc_cq_event
*cqe
;
9023 unsigned long iflags
;
9025 /* Retrieve all the pending WCQEs from pending WCQE lists */
9026 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9027 /* Pending FCP XRI abort events */
9028 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
9030 /* Pending ELS XRI abort events */
9031 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
9033 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9034 /* Pending NVME XRI abort events */
9035 list_splice_init(&phba
->sli4_hba
.sp_nvme_xri_aborted_work_queue
,
9038 /* Pending asynnc events */
9039 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
9041 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9043 while (!list_empty(&cqelist
)) {
9044 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
9045 lpfc_sli4_cq_event_release(phba
, cqe
);
9050 * lpfc_pci_function_reset - Reset pci function.
9051 * @phba: pointer to lpfc hba data structure.
9053 * This routine is invoked to request a PCI function reset. It will destroys
9054 * all resources assigned to the PCI function which originates this request.
9058 * -ENOMEM - No available memory
9059 * -EIO - The mailbox failed to complete successfully.
9062 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
9064 LPFC_MBOXQ_t
*mboxq
;
9065 uint32_t rc
= 0, if_type
;
9066 uint32_t shdr_status
, shdr_add_status
;
9068 uint32_t port_reset
= 0;
9069 union lpfc_sli4_cfg_shdr
*shdr
;
9070 struct lpfc_register reg_data
;
9073 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9075 case LPFC_SLI_INTF_IF_TYPE_0
:
9076 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
9079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9080 "0494 Unable to allocate memory for "
9081 "issuing SLI_FUNCTION_RESET mailbox "
9086 /* Setup PCI function reset mailbox-ioctl command */
9087 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9088 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
9089 LPFC_SLI4_MBX_EMBED
);
9090 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9091 shdr
= (union lpfc_sli4_cfg_shdr
*)
9092 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
9093 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
9094 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
9096 if (rc
!= MBX_TIMEOUT
)
9097 mempool_free(mboxq
, phba
->mbox_mem_pool
);
9098 if (shdr_status
|| shdr_add_status
|| rc
) {
9099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9100 "0495 SLI_FUNCTION_RESET mailbox "
9101 "failed with status x%x add_status x%x,"
9102 " mbx status x%x\n",
9103 shdr_status
, shdr_add_status
, rc
);
9107 case LPFC_SLI_INTF_IF_TYPE_2
:
9110 * Poll the Port Status Register and wait for RDY for
9111 * up to 30 seconds. If the port doesn't respond, treat
9114 for (rdy_chk
= 0; rdy_chk
< 1500; rdy_chk
++) {
9115 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
9116 STATUSregaddr
, ®_data
.word0
)) {
9120 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
9125 if (!bf_get(lpfc_sliport_status_rdy
, ®_data
)) {
9126 phba
->work_status
[0] = readl(
9127 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
9128 phba
->work_status
[1] = readl(
9129 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
9130 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9131 "2890 Port not ready, port status reg "
9132 "0x%x error 1=0x%x, error 2=0x%x\n",
9134 phba
->work_status
[0],
9135 phba
->work_status
[1]);
9142 * Reset the port now
9145 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
9146 LPFC_SLIPORT_LITTLE_ENDIAN
);
9147 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
9148 LPFC_SLIPORT_INIT_PORT
);
9149 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
9152 pci_read_config_word(phba
->pcidev
,
9153 PCI_DEVICE_ID
, &devid
);
9158 } else if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
9164 case LPFC_SLI_INTF_IF_TYPE_1
:
9170 /* Catch the not-ready port failure after a port reset. */
9172 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9173 "3317 HBA not functional: IP Reset Failed "
9174 "try: echo fw_reset > board_mode\n");
9182 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
9183 * @phba: pointer to lpfc hba data structure.
9185 * This routine is invoked to set up the PCI device memory space for device
9186 * with SLI-4 interface spec.
9190 * other values - error
9193 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
9195 struct pci_dev
*pdev
;
9196 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
9197 int error
= -ENODEV
;
9200 /* Obtain PCI device reference */
9204 pdev
= phba
->pcidev
;
9206 /* Set the device DMA mask size */
9207 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
9208 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
9209 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
9210 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
9216 * The BARs and register set definitions and offset locations are
9217 * dependent on the if_type.
9219 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
9220 &phba
->sli4_hba
.sli_intf
.word0
)) {
9224 /* There is no SLI3 failback for SLI4 devices. */
9225 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
9226 LPFC_SLI_INTF_VALID
) {
9227 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9228 "2894 SLI_INTF reg contents invalid "
9229 "sli_intf reg 0x%x\n",
9230 phba
->sli4_hba
.sli_intf
.word0
);
9234 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9236 * Get the bus address of SLI4 device Bar regions and the
9237 * number of bytes required by each mapping. The mapping of the
9238 * particular PCI BARs regions is dependent on the type of
9241 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
9242 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
9243 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
9246 * Map SLI4 PCI Config Space Register base to a kernel virtual
9249 phba
->sli4_hba
.conf_regs_memmap_p
=
9250 ioremap(phba
->pci_bar0_map
, bar0map_len
);
9251 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
9252 dev_printk(KERN_ERR
, &pdev
->dev
,
9253 "ioremap failed for SLI4 PCI config "
9257 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
9258 /* Set up BAR0 PCI config space register memory map */
9259 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
9261 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
9262 bar0map_len
= pci_resource_len(pdev
, 1);
9263 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
9264 dev_printk(KERN_ERR
, &pdev
->dev
,
9265 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
9268 phba
->sli4_hba
.conf_regs_memmap_p
=
9269 ioremap(phba
->pci_bar0_map
, bar0map_len
);
9270 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
9271 dev_printk(KERN_ERR
, &pdev
->dev
,
9272 "ioremap failed for SLI4 PCI config "
9276 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
9279 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
9280 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
9282 * Map SLI4 if type 0 HBA Control Register base to a kernel
9283 * virtual address and setup the registers.
9285 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
9286 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
9287 phba
->sli4_hba
.ctrl_regs_memmap_p
=
9288 ioremap(phba
->pci_bar1_map
, bar1map_len
);
9289 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
9290 dev_printk(KERN_ERR
, &pdev
->dev
,
9291 "ioremap failed for SLI4 HBA control registers.\n");
9292 goto out_iounmap_conf
;
9294 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
9295 lpfc_sli4_bar1_register_memmap(phba
);
9298 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
9299 (pci_resource_start(pdev
, PCI_64BIT_BAR4
))) {
9301 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
9302 * virtual address and setup the registers.
9304 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
9305 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
9306 phba
->sli4_hba
.drbl_regs_memmap_p
=
9307 ioremap(phba
->pci_bar2_map
, bar2map_len
);
9308 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
9309 dev_printk(KERN_ERR
, &pdev
->dev
,
9310 "ioremap failed for SLI4 HBA doorbell registers.\n");
9311 goto out_iounmap_ctrl
;
9313 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
9314 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
9316 goto out_iounmap_all
;
9322 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
9324 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
9326 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9332 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
9333 * @phba: pointer to lpfc hba data structure.
9335 * This routine is invoked to unset the PCI device memory space for device
9336 * with SLI-4 interface spec.
9339 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
9342 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9345 case LPFC_SLI_INTF_IF_TYPE_0
:
9346 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
9347 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
9348 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9350 case LPFC_SLI_INTF_IF_TYPE_2
:
9351 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9353 case LPFC_SLI_INTF_IF_TYPE_1
:
9355 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
9356 "FATAL - unsupported SLI4 interface type - %d\n",
9363 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
9364 * @phba: pointer to lpfc hba data structure.
9366 * This routine is invoked to enable the MSI-X interrupt vectors to device
9367 * with SLI-3 interface specs.
9371 * other values - error
9374 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
9379 /* Set up MSI-X multi-message vectors */
9380 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
9381 LPFC_MSIX_VECTORS
, LPFC_MSIX_VECTORS
, PCI_IRQ_MSIX
);
9383 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9384 "0420 PCI enable MSI-X failed (%d)\n", rc
);
9389 * Assign MSI-X vectors to interrupt handlers
9392 /* vector-0 is associated to slow-path handler */
9393 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 0),
9394 &lpfc_sli_sp_intr_handler
, 0,
9395 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
9397 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9398 "0421 MSI-X slow-path request_irq failed "
9403 /* vector-1 is associated to fast-path handler */
9404 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 1),
9405 &lpfc_sli_fp_intr_handler
, 0,
9406 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
9409 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9410 "0429 MSI-X fast-path request_irq failed "
9416 * Configure HBA MSI-X attention conditions to messages
9418 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
9422 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9423 "0474 Unable to allocate memory for issuing "
9424 "MBOX_CONFIG_MSI command\n");
9427 rc
= lpfc_config_msi(phba
, pmb
);
9430 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
9431 if (rc
!= MBX_SUCCESS
) {
9432 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
9433 "0351 Config MSI mailbox command failed, "
9434 "mbxCmd x%x, mbxStatus x%x\n",
9435 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
9439 /* Free memory allocated for mailbox command */
9440 mempool_free(pmb
, phba
->mbox_mem_pool
);
9444 /* Free memory allocated for mailbox command */
9445 mempool_free(pmb
, phba
->mbox_mem_pool
);
9448 /* free the irq already requested */
9449 free_irq(pci_irq_vector(phba
->pcidev
, 1), phba
);
9452 /* free the irq already requested */
9453 free_irq(pci_irq_vector(phba
->pcidev
, 0), phba
);
9456 /* Unconfigure MSI-X capability structure */
9457 pci_free_irq_vectors(phba
->pcidev
);
9464 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
9465 * @phba: pointer to lpfc hba data structure.
9467 * This routine is invoked to enable the MSI interrupt mode to device with
9468 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
9469 * enable the MSI vector. The device driver is responsible for calling the
9470 * request_irq() to register MSI vector with a interrupt the handler, which
9471 * is done in this function.
9475 * other values - error
9478 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
9482 rc
= pci_enable_msi(phba
->pcidev
);
9484 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9485 "0462 PCI enable MSI mode success.\n");
9487 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9488 "0471 PCI enable MSI mode failed (%d)\n", rc
);
9492 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
9493 0, LPFC_DRIVER_NAME
, phba
);
9495 pci_disable_msi(phba
->pcidev
);
9496 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9497 "0478 MSI request_irq failed (%d)\n", rc
);
9503 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
9504 * @phba: pointer to lpfc hba data structure.
9506 * This routine is invoked to enable device interrupt and associate driver's
9507 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
9508 * spec. Depends on the interrupt mode configured to the driver, the driver
9509 * will try to fallback from the configured interrupt mode to an interrupt
9510 * mode which is supported by the platform, kernel, and device in the order
9512 * MSI-X -> MSI -> IRQ.
9516 * other values - error
9519 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9521 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9524 if (cfg_mode
== 2) {
9525 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
9526 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
9528 /* Now, try to enable MSI-X interrupt mode */
9529 retval
= lpfc_sli_enable_msix(phba
);
9531 /* Indicate initialization to MSI-X mode */
9532 phba
->intr_type
= MSIX
;
9538 /* Fallback to MSI if MSI-X initialization failed */
9539 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9540 retval
= lpfc_sli_enable_msi(phba
);
9542 /* Indicate initialization to MSI mode */
9543 phba
->intr_type
= MSI
;
9548 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9549 if (phba
->intr_type
== NONE
) {
9550 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
9551 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9553 /* Indicate initialization to INTx mode */
9554 phba
->intr_type
= INTx
;
9562 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
9563 * @phba: pointer to lpfc hba data structure.
9565 * This routine is invoked to disable device interrupt and disassociate the
9566 * driver's interrupt handler(s) from interrupt vector(s) to device with
9567 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
9568 * release the interrupt vector(s) for the message signaled interrupt.
9571 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
9575 if (phba
->intr_type
== MSIX
)
9576 nr_irqs
= LPFC_MSIX_VECTORS
;
9580 for (i
= 0; i
< nr_irqs
; i
++)
9581 free_irq(pci_irq_vector(phba
->pcidev
, i
), phba
);
9582 pci_free_irq_vectors(phba
->pcidev
);
9584 /* Reset interrupt management states */
9585 phba
->intr_type
= NONE
;
9586 phba
->sli
.slistat
.sli_intr
= 0;
9590 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings
9591 * @phba: pointer to lpfc hba data structure.
9592 * @vectors: number of msix vectors allocated.
9594 * The routine will figure out the CPU affinity assignment for every
9595 * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated
9596 * with a pointer to the CPU mask that defines ALL the CPUs this vector
9597 * can be associated with. If the vector can be unquely associated with
9598 * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu.
9599 * In addition, the CPU to IO channel mapping will be calculated
9600 * and the phba->sli4_hba.cpu_map array will reflect this.
9603 lpfc_cpu_affinity_check(struct lpfc_hba
*phba
, int vectors
)
9605 struct lpfc_vector_map_info
*cpup
;
9610 struct cpuinfo_x86
*cpuinfo
;
9613 /* Init cpu_map array */
9614 memset(phba
->sli4_hba
.cpu_map
, 0xff,
9615 (sizeof(struct lpfc_vector_map_info
) *
9616 phba
->sli4_hba
.num_present_cpu
));
9618 /* Update CPU map with physical id and core id of each CPU */
9619 cpup
= phba
->sli4_hba
.cpu_map
;
9620 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
9622 cpuinfo
= &cpu_data(cpu
);
9623 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
9624 cpup
->core_id
= cpuinfo
->cpu_core_id
;
9626 /* No distinction between CPUs for other platforms */
9630 cpup
->channel_id
= index
; /* For now round robin */
9631 cpup
->irq
= pci_irq_vector(phba
->pcidev
, vec
);
9636 if (index
>= phba
->cfg_fcp_io_channel
)
9644 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
9645 * @phba: pointer to lpfc hba data structure.
9647 * This routine is invoked to enable the MSI-X interrupt vectors to device
9648 * with SLI-4 interface spec.
9652 * other values - error
9655 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
9657 int vectors
, rc
, index
;
9659 /* Set up MSI-X multi-message vectors */
9660 vectors
= phba
->io_channel_irqs
;
9664 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
9665 (phba
->nvmet_support
) ? 1 : 2,
9666 vectors
, PCI_IRQ_MSIX
| PCI_IRQ_AFFINITY
);
9668 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9669 "0484 PCI enable MSI-X failed (%d)\n", rc
);
9674 /* Assign MSI-X vectors to interrupt handlers */
9675 for (index
= 0; index
< vectors
; index
++) {
9676 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
9677 snprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
9678 LPFC_SLI4_HANDLER_NAME_SZ
,
9679 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
9681 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9682 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9683 atomic_set(&phba
->sli4_hba
.hba_eq_hdl
[index
].hba_eq_in_use
, 1);
9684 if (phba
->cfg_fof
&& (index
== (vectors
- 1)))
9685 rc
= request_irq(pci_irq_vector(phba
->pcidev
, index
),
9686 &lpfc_sli4_fof_intr_handler
, 0,
9687 (char *)&phba
->sli4_hba
.handler_name
[index
],
9688 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9690 rc
= request_irq(pci_irq_vector(phba
->pcidev
, index
),
9691 &lpfc_sli4_hba_intr_handler
, 0,
9692 (char *)&phba
->sli4_hba
.handler_name
[index
],
9693 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9695 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9696 "0486 MSI-X fast-path (%d) "
9697 "request_irq failed (%d)\n", index
, rc
);
9705 if (vectors
!= phba
->io_channel_irqs
) {
9706 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9707 "3238 Reducing IO channels to match number of "
9708 "MSI-X vectors, requested %d got %d\n",
9709 phba
->io_channel_irqs
, vectors
);
9710 if (phba
->cfg_fcp_io_channel
> vectors
)
9711 phba
->cfg_fcp_io_channel
= vectors
;
9712 if (phba
->cfg_nvme_io_channel
> vectors
)
9713 phba
->cfg_nvme_io_channel
= vectors
;
9714 if (phba
->cfg_fcp_io_channel
> phba
->cfg_nvme_io_channel
)
9715 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
9717 phba
->io_channel_irqs
= phba
->cfg_nvme_io_channel
;
9719 lpfc_cpu_affinity_check(phba
, vectors
);
9724 /* free the irq already requested */
9725 for (--index
; index
>= 0; index
--)
9726 free_irq(pci_irq_vector(phba
->pcidev
, index
),
9727 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9729 /* Unconfigure MSI-X capability structure */
9730 pci_free_irq_vectors(phba
->pcidev
);
9737 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
9738 * @phba: pointer to lpfc hba data structure.
9740 * This routine is invoked to enable the MSI interrupt mode to device with
9741 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
9742 * to enable the MSI vector. The device driver is responsible for calling
9743 * the request_irq() to register MSI vector with a interrupt the handler,
9744 * which is done in this function.
9748 * other values - error
9751 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
9755 rc
= pci_enable_msi(phba
->pcidev
);
9757 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9758 "0487 PCI enable MSI mode success.\n");
9760 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9761 "0488 PCI enable MSI mode failed (%d)\n", rc
);
9765 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9766 0, LPFC_DRIVER_NAME
, phba
);
9768 pci_disable_msi(phba
->pcidev
);
9769 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9770 "0490 MSI request_irq failed (%d)\n", rc
);
9774 for (index
= 0; index
< phba
->io_channel_irqs
; index
++) {
9775 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9776 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9779 if (phba
->cfg_fof
) {
9780 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9781 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9787 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
9788 * @phba: pointer to lpfc hba data structure.
9790 * This routine is invoked to enable device interrupt and associate driver's
9791 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
9792 * interface spec. Depends on the interrupt mode configured to the driver,
9793 * the driver will try to fallback from the configured interrupt mode to an
9794 * interrupt mode which is supported by the platform, kernel, and device in
9796 * MSI-X -> MSI -> IRQ.
9800 * other values - error
9803 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9805 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9808 if (cfg_mode
== 2) {
9809 /* Preparation before conf_msi mbox cmd */
9812 /* Now, try to enable MSI-X interrupt mode */
9813 retval
= lpfc_sli4_enable_msix(phba
);
9815 /* Indicate initialization to MSI-X mode */
9816 phba
->intr_type
= MSIX
;
9822 /* Fallback to MSI if MSI-X initialization failed */
9823 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9824 retval
= lpfc_sli4_enable_msi(phba
);
9826 /* Indicate initialization to MSI mode */
9827 phba
->intr_type
= MSI
;
9832 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9833 if (phba
->intr_type
== NONE
) {
9834 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9835 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9837 struct lpfc_hba_eq_hdl
*eqhdl
;
9839 /* Indicate initialization to INTx mode */
9840 phba
->intr_type
= INTx
;
9843 for (idx
= 0; idx
< phba
->io_channel_irqs
; idx
++) {
9844 eqhdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
9847 atomic_set(&eqhdl
->hba_eq_in_use
, 1);
9849 if (phba
->cfg_fof
) {
9850 eqhdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
9853 atomic_set(&eqhdl
->hba_eq_in_use
, 1);
9861 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9862 * @phba: pointer to lpfc hba data structure.
9864 * This routine is invoked to disable device interrupt and disassociate
9865 * the driver's interrupt handler(s) from interrupt vector(s) to device
9866 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9867 * will release the interrupt vector(s) for the message signaled interrupt.
9870 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
9872 /* Disable the currently initialized interrupt mode */
9873 if (phba
->intr_type
== MSIX
) {
9876 /* Free up MSI-X multi-message vectors */
9877 for (index
= 0; index
< phba
->io_channel_irqs
; index
++)
9878 free_irq(pci_irq_vector(phba
->pcidev
, index
),
9879 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9882 free_irq(pci_irq_vector(phba
->pcidev
, index
),
9883 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9885 free_irq(phba
->pcidev
->irq
, phba
);
9888 pci_free_irq_vectors(phba
->pcidev
);
9890 /* Reset interrupt management states */
9891 phba
->intr_type
= NONE
;
9892 phba
->sli
.slistat
.sli_intr
= 0;
9896 * lpfc_unset_hba - Unset SLI3 hba device initialization
9897 * @phba: pointer to lpfc hba data structure.
9899 * This routine is invoked to unset the HBA device initialization steps to
9900 * a device with SLI-3 interface spec.
9903 lpfc_unset_hba(struct lpfc_hba
*phba
)
9905 struct lpfc_vport
*vport
= phba
->pport
;
9906 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
9908 spin_lock_irq(shost
->host_lock
);
9909 vport
->load_flag
|= FC_UNLOADING
;
9910 spin_unlock_irq(shost
->host_lock
);
9912 kfree(phba
->vpi_bmask
);
9913 kfree(phba
->vpi_ids
);
9915 lpfc_stop_hba_timers(phba
);
9917 phba
->pport
->work_port_events
= 0;
9919 lpfc_sli_hba_down(phba
);
9921 lpfc_sli_brdrestart(phba
);
9923 lpfc_sli_disable_intr(phba
);
9929 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9930 * @phba: Pointer to HBA context object.
9932 * This function is called in the SLI4 code path to wait for completion
9933 * of device's XRIs exchange busy. It will check the XRI exchange busy
9934 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9935 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9936 * I/Os every 30 seconds, log error message, and wait forever. Only when
9937 * all XRI exchange busy complete, the driver unload shall proceed with
9938 * invoking the function reset ioctl mailbox command to the CNA and the
9939 * the rest of the driver unload resource release.
9942 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
9945 int nvme_xri_cmpl
= 1;
9946 int nvmet_xri_cmpl
= 1;
9947 int fcp_xri_cmpl
= 1;
9948 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9950 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
9952 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9953 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9955 list_empty(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
9957 list_empty(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
9960 while (!fcp_xri_cmpl
|| !els_xri_cmpl
|| !nvme_xri_cmpl
||
9962 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
9964 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9965 "6100 NVME XRI exchange busy "
9966 "wait time: %d seconds.\n",
9969 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9970 "2877 FCP XRI exchange busy "
9971 "wait time: %d seconds.\n",
9974 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9975 "2878 ELS XRI exchange busy "
9976 "wait time: %d seconds.\n",
9978 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
9979 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
9981 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
9982 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
9984 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9985 nvme_xri_cmpl
= list_empty(
9986 &phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
9987 nvmet_xri_cmpl
= list_empty(
9988 &phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
9991 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
9992 fcp_xri_cmpl
= list_empty(
9993 &phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9996 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
10002 * lpfc_sli4_hba_unset - Unset the fcoe hba
10003 * @phba: Pointer to HBA context object.
10005 * This function is called in the SLI4 code path to reset the HBA's FCoE
10006 * function. The caller is not required to hold any lock. This routine
10007 * issues PCI function reset mailbox command to reset the FCoE function.
10008 * At the end of the function, it calls lpfc_hba_down_post function to
10009 * free any pending commands.
10012 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
10015 LPFC_MBOXQ_t
*mboxq
;
10016 struct pci_dev
*pdev
= phba
->pcidev
;
10018 lpfc_stop_hba_timers(phba
);
10019 phba
->sli4_hba
.intr_enable
= 0;
10022 * Gracefully wait out the potential current outstanding asynchronous
10026 /* First, block any pending async mailbox command from posted */
10027 spin_lock_irq(&phba
->hbalock
);
10028 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
10029 spin_unlock_irq(&phba
->hbalock
);
10030 /* Now, trying to wait it out if we can */
10031 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
10033 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
10036 /* Forcefully release the outstanding mailbox command if timed out */
10037 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
10038 spin_lock_irq(&phba
->hbalock
);
10039 mboxq
= phba
->sli
.mbox_active
;
10040 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
10041 __lpfc_mbox_cmpl_put(phba
, mboxq
);
10042 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
10043 phba
->sli
.mbox_active
= NULL
;
10044 spin_unlock_irq(&phba
->hbalock
);
10047 /* Abort all iocbs associated with the hba */
10048 lpfc_sli_hba_iocb_abort(phba
);
10050 /* Wait for completion of device XRI exchange busy */
10051 lpfc_sli4_xri_exchange_busy_wait(phba
);
10053 /* Disable PCI subsystem interrupt */
10054 lpfc_sli4_disable_intr(phba
);
10056 /* Disable SR-IOV if enabled */
10057 if (phba
->cfg_sriov_nr_virtfn
)
10058 pci_disable_sriov(pdev
);
10060 /* Stop kthread signal shall trigger work_done one more time */
10061 kthread_stop(phba
->worker_thread
);
10063 /* Unset the queues shared with the hardware then release all
10064 * allocated resources.
10066 lpfc_sli4_queue_unset(phba
);
10067 lpfc_sli4_queue_destroy(phba
);
10069 /* Reset SLI4 HBA FCoE function */
10070 lpfc_pci_function_reset(phba
);
10072 /* Stop the SLI4 device port */
10073 phba
->pport
->work_port_events
= 0;
10077 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
10078 * @phba: Pointer to HBA context object.
10079 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
10081 * This function is called in the SLI4 code path to read the port's
10082 * sli4 capabilities.
10084 * This function may be be called from any context that can block-wait
10085 * for the completion. The expectation is that this routine is called
10086 * typically from probe_one or from the online routine.
10089 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
10092 struct lpfc_mqe
*mqe
;
10093 struct lpfc_pc_sli4_params
*sli4_params
;
10097 mqe
= &mboxq
->u
.mqe
;
10099 /* Read the port's SLI4 Parameters port capabilities */
10100 lpfc_pc_sli4_params(mboxq
);
10101 if (!phba
->sli4_hba
.intr_enable
)
10102 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
10104 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
10105 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
10111 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
10112 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
10113 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
10114 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
10115 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
10116 &mqe
->un
.sli4_params
);
10117 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
10118 &mqe
->un
.sli4_params
);
10119 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
10120 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
10121 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
10122 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
10123 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
10124 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
10125 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
10126 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
10127 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
10128 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
10129 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
10130 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
10131 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
10132 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
10133 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
10134 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
10135 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
10136 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
10137 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
10138 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
10139 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
10141 /* Make sure that sge_supp_len can be handled by the driver */
10142 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
10143 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
10149 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
10150 * @phba: Pointer to HBA context object.
10151 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
10153 * This function is called in the SLI4 code path to read the port's
10154 * sli4 capabilities.
10156 * This function may be be called from any context that can block-wait
10157 * for the completion. The expectation is that this routine is called
10158 * typically from probe_one or from the online routine.
10161 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
10164 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
10165 struct lpfc_pc_sli4_params
*sli4_params
;
10168 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
10171 * By default, the driver assumes the SLI4 port requires RPI
10172 * header postings. The SLI4_PARAM response will correct this
10175 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
10177 /* Read the port's SLI4 Config Parameters */
10178 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
10179 sizeof(struct lpfc_sli4_cfg_mhdr
));
10180 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
10181 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
10182 length
, LPFC_SLI4_MBX_EMBED
);
10183 if (!phba
->sli4_hba
.intr_enable
)
10184 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
10186 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
10187 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
10191 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
10192 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
10193 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
10194 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
10195 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
10196 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
10197 mbx_sli4_parameters
);
10198 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
10199 mbx_sli4_parameters
);
10200 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
10201 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
10203 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
10204 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
10205 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
10206 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
10207 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
10208 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
10209 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
10210 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
10211 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
10212 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
10213 mbx_sli4_parameters
);
10214 sli4_params
->wqpcnt
= bf_get(cfg_wqpcnt
, mbx_sli4_parameters
);
10215 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
10216 mbx_sli4_parameters
);
10217 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
10218 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
10219 phba
->nvme_support
= (bf_get(cfg_nvme
, mbx_sli4_parameters
) &&
10220 bf_get(cfg_xib
, mbx_sli4_parameters
));
10222 if ((phba
->cfg_enable_fc4_type
== LPFC_ENABLE_FCP
) ||
10223 !phba
->nvme_support
) {
10224 phba
->nvme_support
= 0;
10225 phba
->nvmet_support
= 0;
10226 phba
->cfg_nvmet_mrq
= 0;
10227 phba
->cfg_nvme_io_channel
= 0;
10228 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
10229 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_NVME
,
10230 "6101 Disabling NVME support: "
10231 "Not supported by firmware: %d %d\n",
10232 bf_get(cfg_nvme
, mbx_sli4_parameters
),
10233 bf_get(cfg_xib
, mbx_sli4_parameters
));
10235 /* If firmware doesn't support NVME, just use SCSI support */
10236 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
10238 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_FCP
;
10241 if (bf_get(cfg_xib
, mbx_sli4_parameters
) && phba
->cfg_suppress_rsp
)
10242 phba
->sli
.sli_flag
|= LPFC_SLI_SUPPRESS_RSP
;
10244 /* Make sure that sge_supp_len can be handled by the driver */
10245 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
10246 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
10249 * Issue IOs with CDB embedded in WQE to minimized the number
10250 * of DMAs the firmware has to do. Setting this to 1 also forces
10251 * the driver to use 128 bytes WQEs for FCP IOs.
10253 if (bf_get(cfg_ext_embed_cb
, mbx_sli4_parameters
))
10254 phba
->fcp_embed_io
= 1;
10256 phba
->fcp_embed_io
= 0;
10259 * Check if the SLI port supports MDS Diagnostics
10261 if (bf_get(cfg_mds_diags
, mbx_sli4_parameters
))
10262 phba
->mds_diags_support
= 1;
10264 phba
->mds_diags_support
= 0;
10269 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
10270 * @pdev: pointer to PCI device
10271 * @pid: pointer to PCI device identifier
10273 * This routine is to be called to attach a device with SLI-3 interface spec
10274 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
10275 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
10276 * information of the device and driver to see if the driver state that it can
10277 * support this kind of device. If the match is successful, the driver core
10278 * invokes this routine. If this routine determines it can claim the HBA, it
10279 * does all the initialization that it needs to do to handle the HBA properly.
10282 * 0 - driver can claim the device
10283 * negative value - driver can not claim the device
10286 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10288 struct lpfc_hba
*phba
;
10289 struct lpfc_vport
*vport
= NULL
;
10290 struct Scsi_Host
*shost
= NULL
;
10292 uint32_t cfg_mode
, intr_mode
;
10294 /* Allocate memory for HBA structure */
10295 phba
= lpfc_hba_alloc(pdev
);
10299 /* Perform generic PCI device enabling operation */
10300 error
= lpfc_enable_pci_dev(phba
);
10302 goto out_free_phba
;
10304 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
10305 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
10307 goto out_disable_pci_dev
;
10309 /* Set up SLI-3 specific device PCI memory space */
10310 error
= lpfc_sli_pci_mem_setup(phba
);
10312 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10313 "1402 Failed to set up pci memory space.\n");
10314 goto out_disable_pci_dev
;
10317 /* Set up SLI-3 specific device driver resources */
10318 error
= lpfc_sli_driver_resource_setup(phba
);
10320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10321 "1404 Failed to set up driver resource.\n");
10322 goto out_unset_pci_mem_s3
;
10325 /* Initialize and populate the iocb list per host */
10327 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
10329 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10330 "1405 Failed to initialize iocb list.\n");
10331 goto out_unset_driver_resource_s3
;
10334 /* Set up common device driver resources */
10335 error
= lpfc_setup_driver_resource_phase2(phba
);
10337 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10338 "1406 Failed to set up driver resource.\n");
10339 goto out_free_iocb_list
;
10342 /* Get the default values for Model Name and Description */
10343 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10345 /* Create SCSI host to the physical port */
10346 error
= lpfc_create_shost(phba
);
10348 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10349 "1407 Failed to create scsi host.\n");
10350 goto out_unset_driver_resource
;
10353 /* Configure sysfs attributes */
10354 vport
= phba
->pport
;
10355 error
= lpfc_alloc_sysfs_attr(vport
);
10357 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10358 "1476 Failed to allocate sysfs attr\n");
10359 goto out_destroy_shost
;
10362 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10363 /* Now, trying to enable interrupt and bring up the device */
10364 cfg_mode
= phba
->cfg_use_msi
;
10366 /* Put device to a known state before enabling interrupt */
10367 lpfc_stop_port(phba
);
10368 /* Configure and enable interrupt */
10369 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
10370 if (intr_mode
== LPFC_INTR_ERROR
) {
10371 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10372 "0431 Failed to enable interrupt.\n");
10374 goto out_free_sysfs_attr
;
10376 /* SLI-3 HBA setup */
10377 if (lpfc_sli_hba_setup(phba
)) {
10378 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10379 "1477 Failed to set up hba\n");
10381 goto out_remove_device
;
10384 /* Wait 50ms for the interrupts of previous mailbox commands */
10386 /* Check active interrupts on message signaled interrupts */
10387 if (intr_mode
== 0 ||
10388 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
10389 /* Log the current active interrupt mode */
10390 phba
->intr_mode
= intr_mode
;
10391 lpfc_log_intr_mode(phba
, intr_mode
);
10394 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10395 "0447 Configure interrupt mode (%d) "
10396 "failed active interrupt test.\n",
10398 /* Disable the current interrupt mode */
10399 lpfc_sli_disable_intr(phba
);
10400 /* Try next level of interrupt mode */
10401 cfg_mode
= --intr_mode
;
10405 /* Perform post initialization setup */
10406 lpfc_post_init_setup(phba
);
10408 /* Check if there are static vports to be created. */
10409 lpfc_create_static_vport(phba
);
10414 lpfc_unset_hba(phba
);
10415 out_free_sysfs_attr
:
10416 lpfc_free_sysfs_attr(vport
);
10418 lpfc_destroy_shost(phba
);
10419 out_unset_driver_resource
:
10420 lpfc_unset_driver_resource_phase2(phba
);
10421 out_free_iocb_list
:
10422 lpfc_free_iocb_list(phba
);
10423 out_unset_driver_resource_s3
:
10424 lpfc_sli_driver_resource_unset(phba
);
10425 out_unset_pci_mem_s3
:
10426 lpfc_sli_pci_mem_unset(phba
);
10427 out_disable_pci_dev
:
10428 lpfc_disable_pci_dev(phba
);
10430 scsi_host_put(shost
);
10432 lpfc_hba_free(phba
);
10437 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
10438 * @pdev: pointer to PCI device
10440 * This routine is to be called to disattach a device with SLI-3 interface
10441 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
10442 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10443 * device to be removed from the PCI subsystem properly.
10446 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
10448 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10449 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10450 struct lpfc_vport
**vports
;
10451 struct lpfc_hba
*phba
= vport
->phba
;
10454 spin_lock_irq(&phba
->hbalock
);
10455 vport
->load_flag
|= FC_UNLOADING
;
10456 spin_unlock_irq(&phba
->hbalock
);
10458 lpfc_free_sysfs_attr(vport
);
10460 /* Release all the vports against this physical port */
10461 vports
= lpfc_create_vport_work_array(phba
);
10462 if (vports
!= NULL
)
10463 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10464 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10466 fc_vport_terminate(vports
[i
]->fc_vport
);
10468 lpfc_destroy_vport_work_array(phba
, vports
);
10470 /* Remove FC host and then SCSI host with the physical port */
10471 fc_remove_host(shost
);
10472 scsi_remove_host(shost
);
10474 lpfc_cleanup(vport
);
10477 * Bring down the SLI Layer. This step disable all interrupts,
10478 * clears the rings, discards all mailbox commands, and resets
10482 /* HBA interrupt will be disabled after this call */
10483 lpfc_sli_hba_down(phba
);
10484 /* Stop kthread signal shall trigger work_done one more time */
10485 kthread_stop(phba
->worker_thread
);
10486 /* Final cleanup of txcmplq and reset the HBA */
10487 lpfc_sli_brdrestart(phba
);
10489 kfree(phba
->vpi_bmask
);
10490 kfree(phba
->vpi_ids
);
10492 lpfc_stop_hba_timers(phba
);
10493 spin_lock_irq(&phba
->hbalock
);
10494 list_del_init(&vport
->listentry
);
10495 spin_unlock_irq(&phba
->hbalock
);
10497 lpfc_debugfs_terminate(vport
);
10499 /* Disable SR-IOV if enabled */
10500 if (phba
->cfg_sriov_nr_virtfn
)
10501 pci_disable_sriov(pdev
);
10503 /* Disable interrupt */
10504 lpfc_sli_disable_intr(phba
);
10506 scsi_host_put(shost
);
10509 * Call scsi_free before mem_free since scsi bufs are released to their
10510 * corresponding pools here.
10512 lpfc_scsi_free(phba
);
10513 lpfc_mem_free_all(phba
);
10515 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
10516 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
10518 /* Free resources associated with SLI2 interface */
10519 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
10520 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
10522 /* unmap adapter SLIM and Control Registers */
10523 iounmap(phba
->ctrl_regs_memmap_p
);
10524 iounmap(phba
->slim_memmap_p
);
10526 lpfc_hba_free(phba
);
10528 pci_release_mem_regions(pdev
);
10529 pci_disable_device(pdev
);
10533 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
10534 * @pdev: pointer to PCI device
10535 * @msg: power management message
10537 * This routine is to be called from the kernel's PCI subsystem to support
10538 * system Power Management (PM) to device with SLI-3 interface spec. When
10539 * PM invokes this method, it quiesces the device by stopping the driver's
10540 * worker thread for the device, turning off device's interrupt and DMA,
10541 * and bring the device offline. Note that as the driver implements the
10542 * minimum PM requirements to a power-aware driver's PM support for the
10543 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10544 * to the suspend() method call will be treated as SUSPEND and the driver will
10545 * fully reinitialize its device during resume() method call, the driver will
10546 * set device to PCI_D3hot state in PCI config space instead of setting it
10547 * according to the @msg provided by the PM.
10550 * 0 - driver suspended the device
10554 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
10556 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10557 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10559 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10560 "0473 PCI device Power Management suspend.\n");
10562 /* Bring down the device */
10563 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10564 lpfc_offline(phba
);
10565 kthread_stop(phba
->worker_thread
);
10567 /* Disable interrupt from device */
10568 lpfc_sli_disable_intr(phba
);
10570 /* Save device state to PCI config space */
10571 pci_save_state(pdev
);
10572 pci_set_power_state(pdev
, PCI_D3hot
);
10578 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
10579 * @pdev: pointer to PCI device
10581 * This routine is to be called from the kernel's PCI subsystem to support
10582 * system Power Management (PM) to device with SLI-3 interface spec. When PM
10583 * invokes this method, it restores the device's PCI config space state and
10584 * fully reinitializes the device and brings it online. Note that as the
10585 * driver implements the minimum PM requirements to a power-aware driver's
10586 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
10587 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
10588 * driver will fully reinitialize its device during resume() method call,
10589 * the device will be set to PCI_D0 directly in PCI config space before
10590 * restoring the state.
10593 * 0 - driver suspended the device
10597 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
10599 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10600 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10601 uint32_t intr_mode
;
10604 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10605 "0452 PCI device Power Management resume.\n");
10607 /* Restore device state from PCI config space */
10608 pci_set_power_state(pdev
, PCI_D0
);
10609 pci_restore_state(pdev
);
10612 * As the new kernel behavior of pci_restore_state() API call clears
10613 * device saved_state flag, need to save the restored state again.
10615 pci_save_state(pdev
);
10617 if (pdev
->is_busmaster
)
10618 pci_set_master(pdev
);
10620 /* Startup the kernel thread for this host adapter. */
10621 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10622 "lpfc_worker_%d", phba
->brd_no
);
10623 if (IS_ERR(phba
->worker_thread
)) {
10624 error
= PTR_ERR(phba
->worker_thread
);
10625 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10626 "0434 PM resume failed to start worker "
10627 "thread: error=x%x.\n", error
);
10631 /* Configure and enable interrupt */
10632 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10633 if (intr_mode
== LPFC_INTR_ERROR
) {
10634 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10635 "0430 PM resume Failed to enable interrupt\n");
10638 phba
->intr_mode
= intr_mode
;
10640 /* Restart HBA and bring it online */
10641 lpfc_sli_brdrestart(phba
);
10644 /* Log the current active interrupt mode */
10645 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10651 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
10652 * @phba: pointer to lpfc hba data structure.
10654 * This routine is called to prepare the SLI3 device for PCI slot recover. It
10655 * aborts all the outstanding SCSI I/Os to the pci device.
10658 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
10660 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10661 "2723 PCI channel I/O abort preparing for recovery\n");
10664 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10665 * and let the SCSI mid-layer to retry them to recover.
10667 lpfc_sli_abort_fcp_rings(phba
);
10671 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
10672 * @phba: pointer to lpfc hba data structure.
10674 * This routine is called to prepare the SLI3 device for PCI slot reset. It
10675 * disables the device interrupt and pci device, and aborts the internal FCP
10679 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
10681 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10682 "2710 PCI channel disable preparing for reset\n");
10684 /* Block any management I/Os to the device */
10685 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
10687 /* Block all SCSI devices' I/Os on the host */
10688 lpfc_scsi_dev_block(phba
);
10690 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10691 lpfc_sli_flush_fcp_rings(phba
);
10693 /* stop all timers */
10694 lpfc_stop_hba_timers(phba
);
10696 /* Disable interrupt and pci device */
10697 lpfc_sli_disable_intr(phba
);
10698 pci_disable_device(phba
->pcidev
);
10702 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
10703 * @phba: pointer to lpfc hba data structure.
10705 * This routine is called to prepare the SLI3 device for PCI slot permanently
10706 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10710 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10712 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10713 "2711 PCI channel permanent disable for failure\n");
10714 /* Block all SCSI devices' I/Os on the host */
10715 lpfc_scsi_dev_block(phba
);
10717 /* stop all timers */
10718 lpfc_stop_hba_timers(phba
);
10720 /* Clean up all driver's outstanding SCSI I/Os */
10721 lpfc_sli_flush_fcp_rings(phba
);
10725 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
10726 * @pdev: pointer to PCI device.
10727 * @state: the current PCI connection state.
10729 * This routine is called from the PCI subsystem for I/O error handling to
10730 * device with SLI-3 interface spec. This function is called by the PCI
10731 * subsystem after a PCI bus error affecting this device has been detected.
10732 * When this function is invoked, it will need to stop all the I/Os and
10733 * interrupt(s) to the device. Once that is done, it will return
10734 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
10738 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
10739 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10740 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10742 static pci_ers_result_t
10743 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
10745 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10746 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10749 case pci_channel_io_normal
:
10750 /* Non-fatal error, prepare for recovery */
10751 lpfc_sli_prep_dev_for_recover(phba
);
10752 return PCI_ERS_RESULT_CAN_RECOVER
;
10753 case pci_channel_io_frozen
:
10754 /* Fatal error, prepare for slot reset */
10755 lpfc_sli_prep_dev_for_reset(phba
);
10756 return PCI_ERS_RESULT_NEED_RESET
;
10757 case pci_channel_io_perm_failure
:
10758 /* Permanent failure, prepare for device down */
10759 lpfc_sli_prep_dev_for_perm_failure(phba
);
10760 return PCI_ERS_RESULT_DISCONNECT
;
10762 /* Unknown state, prepare and request slot reset */
10763 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10764 "0472 Unknown PCI error state: x%x\n", state
);
10765 lpfc_sli_prep_dev_for_reset(phba
);
10766 return PCI_ERS_RESULT_NEED_RESET
;
10771 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
10772 * @pdev: pointer to PCI device.
10774 * This routine is called from the PCI subsystem for error handling to
10775 * device with SLI-3 interface spec. This is called after PCI bus has been
10776 * reset to restart the PCI card from scratch, as if from a cold-boot.
10777 * During the PCI subsystem error recovery, after driver returns
10778 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10779 * recovery and then call this routine before calling the .resume method
10780 * to recover the device. This function will initialize the HBA device,
10781 * enable the interrupt, but it will just put the HBA to offline state
10782 * without passing any I/O traffic.
10785 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10786 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10788 static pci_ers_result_t
10789 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
10791 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10792 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10793 struct lpfc_sli
*psli
= &phba
->sli
;
10794 uint32_t intr_mode
;
10796 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10797 if (pci_enable_device_mem(pdev
)) {
10798 printk(KERN_ERR
"lpfc: Cannot re-enable "
10799 "PCI device after reset.\n");
10800 return PCI_ERS_RESULT_DISCONNECT
;
10803 pci_restore_state(pdev
);
10806 * As the new kernel behavior of pci_restore_state() API call clears
10807 * device saved_state flag, need to save the restored state again.
10809 pci_save_state(pdev
);
10811 if (pdev
->is_busmaster
)
10812 pci_set_master(pdev
);
10814 spin_lock_irq(&phba
->hbalock
);
10815 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10816 spin_unlock_irq(&phba
->hbalock
);
10818 /* Configure and enable interrupt */
10819 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10820 if (intr_mode
== LPFC_INTR_ERROR
) {
10821 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10822 "0427 Cannot re-enable interrupt after "
10824 return PCI_ERS_RESULT_DISCONNECT
;
10826 phba
->intr_mode
= intr_mode
;
10828 /* Take device offline, it will perform cleanup */
10829 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10830 lpfc_offline(phba
);
10831 lpfc_sli_brdrestart(phba
);
10833 /* Log the current active interrupt mode */
10834 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10836 return PCI_ERS_RESULT_RECOVERED
;
10840 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
10841 * @pdev: pointer to PCI device
10843 * This routine is called from the PCI subsystem for error handling to device
10844 * with SLI-3 interface spec. It is called when kernel error recovery tells
10845 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10846 * error recovery. After this call, traffic can start to flow from this device
10850 lpfc_io_resume_s3(struct pci_dev
*pdev
)
10852 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10853 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10855 /* Bring device online, it will be no-op for non-fatal error resume */
10858 /* Clean up Advanced Error Reporting (AER) if needed */
10859 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10860 pci_cleanup_aer_uncorrect_error_status(pdev
);
10864 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
10865 * @phba: pointer to lpfc hba data structure.
10867 * returns the number of ELS/CT IOCBs to reserve
10870 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
10872 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
10874 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
10875 if (max_xri
<= 100)
10877 else if (max_xri
<= 256)
10879 else if (max_xri
<= 512)
10881 else if (max_xri
<= 1024)
10883 else if (max_xri
<= 1536)
10885 else if (max_xri
<= 2048)
10894 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve
10895 * @phba: pointer to lpfc hba data structure.
10897 * returns the number of ELS/CT + NVMET IOCBs to reserve
10900 lpfc_sli4_get_iocb_cnt(struct lpfc_hba
*phba
)
10902 int max_xri
= lpfc_sli4_get_els_iocb_cnt(phba
);
10904 if (phba
->nvmet_support
)
10905 max_xri
+= LPFC_NVMET_BUF_POST
;
10911 * lpfc_write_firmware - attempt to write a firmware image to the port
10912 * @fw: pointer to firmware image returned from request_firmware.
10913 * @phba: pointer to lpfc hba data structure.
10917 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
10919 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
10920 char fwrev
[FW_REV_STR_SIZE
];
10921 struct lpfc_grp_hdr
*image
;
10922 struct list_head dma_buffer_list
;
10924 struct lpfc_dmabuf
*dmabuf
, *next
;
10925 uint32_t offset
= 0, temp_offset
= 0;
10926 uint32_t magic_number
, ftype
, fid
, fsize
;
10928 /* It can be null in no-wait mode, sanity check */
10933 image
= (struct lpfc_grp_hdr
*)fw
->data
;
10935 magic_number
= be32_to_cpu(image
->magic_number
);
10936 ftype
= bf_get_be32(lpfc_grp_hdr_file_type
, image
);
10937 fid
= bf_get_be32(lpfc_grp_hdr_id
, image
),
10938 fsize
= be32_to_cpu(image
->size
);
10940 INIT_LIST_HEAD(&dma_buffer_list
);
10941 if ((magic_number
!= LPFC_GROUP_OJECT_MAGIC_G5
&&
10942 magic_number
!= LPFC_GROUP_OJECT_MAGIC_G6
) ||
10943 ftype
!= LPFC_FILE_TYPE_GROUP
|| fsize
!= fw
->size
) {
10944 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10945 "3022 Invalid FW image found. "
10946 "Magic:%x Type:%x ID:%x Size %d %zd\n",
10947 magic_number
, ftype
, fid
, fsize
, fw
->size
);
10951 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
10952 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
10953 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10954 "3023 Updating Firmware, Current Version:%s "
10955 "New Version:%s\n",
10956 fwrev
, image
->revision
);
10957 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
10958 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
10964 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
10968 if (!dmabuf
->virt
) {
10973 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
10975 while (offset
< fw
->size
) {
10976 temp_offset
= offset
;
10977 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
10978 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
10979 memcpy(dmabuf
->virt
,
10980 fw
->data
+ temp_offset
,
10981 fw
->size
- temp_offset
);
10982 temp_offset
= fw
->size
;
10985 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
10987 temp_offset
+= SLI4_PAGE_SIZE
;
10989 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
10990 (fw
->size
- offset
), &offset
);
10998 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
10999 list_del(&dmabuf
->list
);
11000 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
11001 dmabuf
->virt
, dmabuf
->phys
);
11004 release_firmware(fw
);
11006 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11007 "3024 Firmware update done: %d.\n", rc
);
11012 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
11013 * @phba: pointer to lpfc hba data structure.
11015 * This routine is called to perform Linux generic firmware upgrade on device
11016 * that supports such feature.
11019 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
11021 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
11023 const struct firmware
*fw
;
11025 /* Only supported on SLI4 interface type 2 for now */
11026 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
11027 LPFC_SLI_INTF_IF_TYPE_2
)
11030 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
11032 if (fw_upgrade
== INT_FW_UPGRADE
) {
11033 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
11034 file_name
, &phba
->pcidev
->dev
,
11035 GFP_KERNEL
, (void *)phba
,
11036 lpfc_write_firmware
);
11037 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
11038 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
11040 lpfc_write_firmware(fw
, (void *)phba
);
11049 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
11050 * @pdev: pointer to PCI device
11051 * @pid: pointer to PCI device identifier
11053 * This routine is called from the kernel's PCI subsystem to device with
11054 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
11055 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
11056 * information of the device and driver to see if the driver state that it
11057 * can support this kind of device. If the match is successful, the driver
11058 * core invokes this routine. If this routine determines it can claim the HBA,
11059 * it does all the initialization that it needs to do to handle the HBA
11063 * 0 - driver can claim the device
11064 * negative value - driver can not claim the device
11067 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
11069 struct lpfc_hba
*phba
;
11070 struct lpfc_vport
*vport
= NULL
;
11071 struct Scsi_Host
*shost
= NULL
;
11073 uint32_t cfg_mode
, intr_mode
;
11075 /* Allocate memory for HBA structure */
11076 phba
= lpfc_hba_alloc(pdev
);
11080 /* Perform generic PCI device enabling operation */
11081 error
= lpfc_enable_pci_dev(phba
);
11083 goto out_free_phba
;
11085 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
11086 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
11088 goto out_disable_pci_dev
;
11090 /* Set up SLI-4 specific device PCI memory space */
11091 error
= lpfc_sli4_pci_mem_setup(phba
);
11093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11094 "1410 Failed to set up pci memory space.\n");
11095 goto out_disable_pci_dev
;
11098 /* Set up SLI-4 Specific device driver resources */
11099 error
= lpfc_sli4_driver_resource_setup(phba
);
11101 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11102 "1412 Failed to set up driver resource.\n");
11103 goto out_unset_pci_mem_s4
;
11106 INIT_LIST_HEAD(&phba
->active_rrq_list
);
11107 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
11109 /* Set up common device driver resources */
11110 error
= lpfc_setup_driver_resource_phase2(phba
);
11112 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11113 "1414 Failed to set up driver resource.\n");
11114 goto out_unset_driver_resource_s4
;
11117 /* Get the default values for Model Name and Description */
11118 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
11120 /* Create SCSI host to the physical port */
11121 error
= lpfc_create_shost(phba
);
11123 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11124 "1415 Failed to create scsi host.\n");
11125 goto out_unset_driver_resource
;
11128 /* Configure sysfs attributes */
11129 vport
= phba
->pport
;
11130 error
= lpfc_alloc_sysfs_attr(vport
);
11132 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11133 "1416 Failed to allocate sysfs attr\n");
11134 goto out_destroy_shost
;
11137 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
11138 /* Now, trying to enable interrupt and bring up the device */
11139 cfg_mode
= phba
->cfg_use_msi
;
11141 /* Put device to a known state before enabling interrupt */
11142 lpfc_stop_port(phba
);
11144 /* Configure and enable interrupt */
11145 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
11146 if (intr_mode
== LPFC_INTR_ERROR
) {
11147 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11148 "0426 Failed to enable interrupt.\n");
11150 goto out_free_sysfs_attr
;
11152 /* Default to single EQ for non-MSI-X */
11153 if (phba
->intr_type
!= MSIX
) {
11154 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
11155 phba
->cfg_fcp_io_channel
= 1;
11156 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
11157 phba
->cfg_nvme_io_channel
= 1;
11158 if (phba
->nvmet_support
)
11159 phba
->cfg_nvmet_mrq
= 1;
11161 phba
->io_channel_irqs
= 1;
11164 /* Set up SLI-4 HBA */
11165 if (lpfc_sli4_hba_setup(phba
)) {
11166 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11167 "1421 Failed to set up hba\n");
11169 goto out_disable_intr
;
11172 /* Log the current active interrupt mode */
11173 phba
->intr_mode
= intr_mode
;
11174 lpfc_log_intr_mode(phba
, intr_mode
);
11176 /* Perform post initialization setup */
11177 lpfc_post_init_setup(phba
);
11179 /* NVME support in FW earlier in the driver load corrects the
11180 * FC4 type making a check for nvme_support unnecessary.
11182 if ((phba
->nvmet_support
== 0) &&
11183 (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)) {
11184 /* Create NVME binding with nvme_fc_transport. This
11185 * ensures the vport is initialized. If the localport
11186 * create fails, it should not unload the driver to
11187 * support field issues.
11189 error
= lpfc_nvme_create_localport(vport
);
11191 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11192 "6004 NVME registration failed, "
11198 /* check for firmware upgrade or downgrade */
11199 if (phba
->cfg_request_firmware_upgrade
)
11200 lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
11202 /* Check if there are static vports to be created. */
11203 lpfc_create_static_vport(phba
);
11207 lpfc_sli4_disable_intr(phba
);
11208 out_free_sysfs_attr
:
11209 lpfc_free_sysfs_attr(vport
);
11211 lpfc_destroy_shost(phba
);
11212 out_unset_driver_resource
:
11213 lpfc_unset_driver_resource_phase2(phba
);
11214 out_unset_driver_resource_s4
:
11215 lpfc_sli4_driver_resource_unset(phba
);
11216 out_unset_pci_mem_s4
:
11217 lpfc_sli4_pci_mem_unset(phba
);
11218 out_disable_pci_dev
:
11219 lpfc_disable_pci_dev(phba
);
11221 scsi_host_put(shost
);
11223 lpfc_hba_free(phba
);
11228 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
11229 * @pdev: pointer to PCI device
11231 * This routine is called from the kernel's PCI subsystem to device with
11232 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
11233 * removed from PCI bus, it performs all the necessary cleanup for the HBA
11234 * device to be removed from the PCI subsystem properly.
11237 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
11239 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11240 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
11241 struct lpfc_vport
**vports
;
11242 struct lpfc_hba
*phba
= vport
->phba
;
11245 /* Mark the device unloading flag */
11246 spin_lock_irq(&phba
->hbalock
);
11247 vport
->load_flag
|= FC_UNLOADING
;
11248 spin_unlock_irq(&phba
->hbalock
);
11250 /* Free the HBA sysfs attributes */
11251 lpfc_free_sysfs_attr(vport
);
11253 /* Release all the vports against this physical port */
11254 vports
= lpfc_create_vport_work_array(phba
);
11255 if (vports
!= NULL
)
11256 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
11257 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
11259 fc_vport_terminate(vports
[i
]->fc_vport
);
11261 lpfc_destroy_vport_work_array(phba
, vports
);
11263 /* Remove FC host and then SCSI host with the physical port */
11264 fc_remove_host(shost
);
11265 scsi_remove_host(shost
);
11267 /* Perform ndlp cleanup on the physical port. The nvme and nvmet
11268 * localports are destroyed after to cleanup all transport memory.
11270 lpfc_cleanup(vport
);
11271 lpfc_nvmet_destroy_targetport(phba
);
11272 lpfc_nvme_destroy_localport(vport
);
11275 * Bring down the SLI Layer. This step disables all interrupts,
11276 * clears the rings, discards all mailbox commands, and resets
11277 * the HBA FCoE function.
11279 lpfc_debugfs_terminate(vport
);
11280 lpfc_sli4_hba_unset(phba
);
11282 spin_lock_irq(&phba
->hbalock
);
11283 list_del_init(&vport
->listentry
);
11284 spin_unlock_irq(&phba
->hbalock
);
11286 /* Perform scsi free before driver resource_unset since scsi
11287 * buffers are released to their corresponding pools here.
11289 lpfc_scsi_free(phba
);
11290 lpfc_nvme_free(phba
);
11291 lpfc_free_iocb_list(phba
);
11293 lpfc_sli4_driver_resource_unset(phba
);
11295 /* Unmap adapter Control and Doorbell registers */
11296 lpfc_sli4_pci_mem_unset(phba
);
11298 /* Release PCI resources and disable device's PCI function */
11299 scsi_host_put(shost
);
11300 lpfc_disable_pci_dev(phba
);
11302 /* Finally, free the driver's device data structure */
11303 lpfc_hba_free(phba
);
11309 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
11310 * @pdev: pointer to PCI device
11311 * @msg: power management message
11313 * This routine is called from the kernel's PCI subsystem to support system
11314 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
11315 * this method, it quiesces the device by stopping the driver's worker
11316 * thread for the device, turning off device's interrupt and DMA, and bring
11317 * the device offline. Note that as the driver implements the minimum PM
11318 * requirements to a power-aware driver's PM support for suspend/resume -- all
11319 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
11320 * method call will be treated as SUSPEND and the driver will fully
11321 * reinitialize its device during resume() method call, the driver will set
11322 * device to PCI_D3hot state in PCI config space instead of setting it
11323 * according to the @msg provided by the PM.
11326 * 0 - driver suspended the device
11330 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
11332 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11333 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11335 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11336 "2843 PCI device Power Management suspend.\n");
11338 /* Bring down the device */
11339 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11340 lpfc_offline(phba
);
11341 kthread_stop(phba
->worker_thread
);
11343 /* Disable interrupt from device */
11344 lpfc_sli4_disable_intr(phba
);
11345 lpfc_sli4_queue_destroy(phba
);
11347 /* Save device state to PCI config space */
11348 pci_save_state(pdev
);
11349 pci_set_power_state(pdev
, PCI_D3hot
);
11355 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
11356 * @pdev: pointer to PCI device
11358 * This routine is called from the kernel's PCI subsystem to support system
11359 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
11360 * this method, it restores the device's PCI config space state and fully
11361 * reinitializes the device and brings it online. Note that as the driver
11362 * implements the minimum PM requirements to a power-aware driver's PM for
11363 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
11364 * to the suspend() method call will be treated as SUSPEND and the driver
11365 * will fully reinitialize its device during resume() method call, the device
11366 * will be set to PCI_D0 directly in PCI config space before restoring the
11370 * 0 - driver suspended the device
11374 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
11376 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11377 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11378 uint32_t intr_mode
;
11381 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11382 "0292 PCI device Power Management resume.\n");
11384 /* Restore device state from PCI config space */
11385 pci_set_power_state(pdev
, PCI_D0
);
11386 pci_restore_state(pdev
);
11389 * As the new kernel behavior of pci_restore_state() API call clears
11390 * device saved_state flag, need to save the restored state again.
11392 pci_save_state(pdev
);
11394 if (pdev
->is_busmaster
)
11395 pci_set_master(pdev
);
11397 /* Startup the kernel thread for this host adapter. */
11398 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
11399 "lpfc_worker_%d", phba
->brd_no
);
11400 if (IS_ERR(phba
->worker_thread
)) {
11401 error
= PTR_ERR(phba
->worker_thread
);
11402 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11403 "0293 PM resume failed to start worker "
11404 "thread: error=x%x.\n", error
);
11408 /* Configure and enable interrupt */
11409 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
11410 if (intr_mode
== LPFC_INTR_ERROR
) {
11411 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11412 "0294 PM resume Failed to enable interrupt\n");
11415 phba
->intr_mode
= intr_mode
;
11417 /* Restart HBA and bring it online */
11418 lpfc_sli_brdrestart(phba
);
11421 /* Log the current active interrupt mode */
11422 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11428 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
11429 * @phba: pointer to lpfc hba data structure.
11431 * This routine is called to prepare the SLI4 device for PCI slot recover. It
11432 * aborts all the outstanding SCSI I/Os to the pci device.
11435 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
11437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11438 "2828 PCI channel I/O abort preparing for recovery\n");
11440 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
11441 * and let the SCSI mid-layer to retry them to recover.
11443 lpfc_sli_abort_fcp_rings(phba
);
11447 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
11448 * @phba: pointer to lpfc hba data structure.
11450 * This routine is called to prepare the SLI4 device for PCI slot reset. It
11451 * disables the device interrupt and pci device, and aborts the internal FCP
11455 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
11457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11458 "2826 PCI channel disable preparing for reset\n");
11460 /* Block any management I/Os to the device */
11461 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
11463 /* Block all SCSI devices' I/Os on the host */
11464 lpfc_scsi_dev_block(phba
);
11466 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
11467 lpfc_sli_flush_fcp_rings(phba
);
11469 /* stop all timers */
11470 lpfc_stop_hba_timers(phba
);
11472 /* Disable interrupt and pci device */
11473 lpfc_sli4_disable_intr(phba
);
11474 lpfc_sli4_queue_destroy(phba
);
11475 pci_disable_device(phba
->pcidev
);
11479 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
11480 * @phba: pointer to lpfc hba data structure.
11482 * This routine is called to prepare the SLI4 device for PCI slot permanently
11483 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
11487 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
11489 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11490 "2827 PCI channel permanent disable for failure\n");
11492 /* Block all SCSI devices' I/Os on the host */
11493 lpfc_scsi_dev_block(phba
);
11495 /* stop all timers */
11496 lpfc_stop_hba_timers(phba
);
11498 /* Clean up all driver's outstanding SCSI I/Os */
11499 lpfc_sli_flush_fcp_rings(phba
);
11503 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
11504 * @pdev: pointer to PCI device.
11505 * @state: the current PCI connection state.
11507 * This routine is called from the PCI subsystem for error handling to device
11508 * with SLI-4 interface spec. This function is called by the PCI subsystem
11509 * after a PCI bus error affecting this device has been detected. When this
11510 * function is invoked, it will need to stop all the I/Os and interrupt(s)
11511 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
11512 * for the PCI subsystem to perform proper recovery as desired.
11515 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11516 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11518 static pci_ers_result_t
11519 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
11521 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11522 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11525 case pci_channel_io_normal
:
11526 /* Non-fatal error, prepare for recovery */
11527 lpfc_sli4_prep_dev_for_recover(phba
);
11528 return PCI_ERS_RESULT_CAN_RECOVER
;
11529 case pci_channel_io_frozen
:
11530 /* Fatal error, prepare for slot reset */
11531 lpfc_sli4_prep_dev_for_reset(phba
);
11532 return PCI_ERS_RESULT_NEED_RESET
;
11533 case pci_channel_io_perm_failure
:
11534 /* Permanent failure, prepare for device down */
11535 lpfc_sli4_prep_dev_for_perm_failure(phba
);
11536 return PCI_ERS_RESULT_DISCONNECT
;
11538 /* Unknown state, prepare and request slot reset */
11539 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11540 "2825 Unknown PCI error state: x%x\n", state
);
11541 lpfc_sli4_prep_dev_for_reset(phba
);
11542 return PCI_ERS_RESULT_NEED_RESET
;
11547 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
11548 * @pdev: pointer to PCI device.
11550 * This routine is called from the PCI subsystem for error handling to device
11551 * with SLI-4 interface spec. It is called after PCI bus has been reset to
11552 * restart the PCI card from scratch, as if from a cold-boot. During the
11553 * PCI subsystem error recovery, after the driver returns
11554 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
11555 * recovery and then call this routine before calling the .resume method to
11556 * recover the device. This function will initialize the HBA device, enable
11557 * the interrupt, but it will just put the HBA to offline state without
11558 * passing any I/O traffic.
11561 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11562 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11564 static pci_ers_result_t
11565 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
11567 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11568 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11569 struct lpfc_sli
*psli
= &phba
->sli
;
11570 uint32_t intr_mode
;
11572 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
11573 if (pci_enable_device_mem(pdev
)) {
11574 printk(KERN_ERR
"lpfc: Cannot re-enable "
11575 "PCI device after reset.\n");
11576 return PCI_ERS_RESULT_DISCONNECT
;
11579 pci_restore_state(pdev
);
11582 * As the new kernel behavior of pci_restore_state() API call clears
11583 * device saved_state flag, need to save the restored state again.
11585 pci_save_state(pdev
);
11587 if (pdev
->is_busmaster
)
11588 pci_set_master(pdev
);
11590 spin_lock_irq(&phba
->hbalock
);
11591 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
11592 spin_unlock_irq(&phba
->hbalock
);
11594 /* Configure and enable interrupt */
11595 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
11596 if (intr_mode
== LPFC_INTR_ERROR
) {
11597 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11598 "2824 Cannot re-enable interrupt after "
11600 return PCI_ERS_RESULT_DISCONNECT
;
11602 phba
->intr_mode
= intr_mode
;
11604 /* Log the current active interrupt mode */
11605 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11607 return PCI_ERS_RESULT_RECOVERED
;
11611 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
11612 * @pdev: pointer to PCI device
11614 * This routine is called from the PCI subsystem for error handling to device
11615 * with SLI-4 interface spec. It is called when kernel error recovery tells
11616 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
11617 * error recovery. After this call, traffic can start to flow from this device
11621 lpfc_io_resume_s4(struct pci_dev
*pdev
)
11623 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11624 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11627 * In case of slot reset, as function reset is performed through
11628 * mailbox command which needs DMA to be enabled, this operation
11629 * has to be moved to the io resume phase. Taking device offline
11630 * will perform the necessary cleanup.
11632 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
11633 /* Perform device reset */
11634 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11635 lpfc_offline(phba
);
11636 lpfc_sli_brdrestart(phba
);
11637 /* Bring the device back online */
11641 /* Clean up Advanced Error Reporting (AER) if needed */
11642 if (phba
->hba_flag
& HBA_AER_ENABLED
)
11643 pci_cleanup_aer_uncorrect_error_status(pdev
);
11647 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
11648 * @pdev: pointer to PCI device
11649 * @pid: pointer to PCI device identifier
11651 * This routine is to be registered to the kernel's PCI subsystem. When an
11652 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
11653 * at PCI device-specific information of the device and driver to see if the
11654 * driver state that it can support this kind of device. If the match is
11655 * successful, the driver core invokes this routine. This routine dispatches
11656 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
11657 * do all the initialization that it needs to do to handle the HBA device
11661 * 0 - driver can claim the device
11662 * negative value - driver can not claim the device
11665 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
11668 struct lpfc_sli_intf intf
;
11670 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
11673 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
11674 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
11675 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
11677 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
11683 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
11684 * @pdev: pointer to PCI device
11686 * This routine is to be registered to the kernel's PCI subsystem. When an
11687 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
11688 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
11689 * remove routine, which will perform all the necessary cleanup for the
11690 * device to be removed from the PCI subsystem properly.
11693 lpfc_pci_remove_one(struct pci_dev
*pdev
)
11695 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11696 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11698 switch (phba
->pci_dev_grp
) {
11699 case LPFC_PCI_DEV_LP
:
11700 lpfc_pci_remove_one_s3(pdev
);
11702 case LPFC_PCI_DEV_OC
:
11703 lpfc_pci_remove_one_s4(pdev
);
11706 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11707 "1424 Invalid PCI device group: 0x%x\n",
11708 phba
->pci_dev_grp
);
11715 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
11716 * @pdev: pointer to PCI device
11717 * @msg: power management message
11719 * This routine is to be registered to the kernel's PCI subsystem to support
11720 * system Power Management (PM). When PM invokes this method, it dispatches
11721 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
11722 * suspend the device.
11725 * 0 - driver suspended the device
11729 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
11731 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11732 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11735 switch (phba
->pci_dev_grp
) {
11736 case LPFC_PCI_DEV_LP
:
11737 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
11739 case LPFC_PCI_DEV_OC
:
11740 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
11743 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11744 "1425 Invalid PCI device group: 0x%x\n",
11745 phba
->pci_dev_grp
);
11752 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
11753 * @pdev: pointer to PCI device
11755 * This routine is to be registered to the kernel's PCI subsystem to support
11756 * system Power Management (PM). When PM invokes this method, it dispatches
11757 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
11758 * resume the device.
11761 * 0 - driver suspended the device
11765 lpfc_pci_resume_one(struct pci_dev
*pdev
)
11767 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11768 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11771 switch (phba
->pci_dev_grp
) {
11772 case LPFC_PCI_DEV_LP
:
11773 rc
= lpfc_pci_resume_one_s3(pdev
);
11775 case LPFC_PCI_DEV_OC
:
11776 rc
= lpfc_pci_resume_one_s4(pdev
);
11779 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11780 "1426 Invalid PCI device group: 0x%x\n",
11781 phba
->pci_dev_grp
);
11788 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
11789 * @pdev: pointer to PCI device.
11790 * @state: the current PCI connection state.
11792 * This routine is registered to the PCI subsystem for error handling. This
11793 * function is called by the PCI subsystem after a PCI bus error affecting
11794 * this device has been detected. When this routine is invoked, it dispatches
11795 * the action to the proper SLI-3 or SLI-4 device error detected handling
11796 * routine, which will perform the proper error detected operation.
11799 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11800 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11802 static pci_ers_result_t
11803 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
11805 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11806 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11807 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11809 switch (phba
->pci_dev_grp
) {
11810 case LPFC_PCI_DEV_LP
:
11811 rc
= lpfc_io_error_detected_s3(pdev
, state
);
11813 case LPFC_PCI_DEV_OC
:
11814 rc
= lpfc_io_error_detected_s4(pdev
, state
);
11817 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11818 "1427 Invalid PCI device group: 0x%x\n",
11819 phba
->pci_dev_grp
);
11826 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
11827 * @pdev: pointer to PCI device.
11829 * This routine is registered to the PCI subsystem for error handling. This
11830 * function is called after PCI bus has been reset to restart the PCI card
11831 * from scratch, as if from a cold-boot. When this routine is invoked, it
11832 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
11833 * routine, which will perform the proper device reset.
11836 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11837 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11839 static pci_ers_result_t
11840 lpfc_io_slot_reset(struct pci_dev
*pdev
)
11842 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11843 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11844 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11846 switch (phba
->pci_dev_grp
) {
11847 case LPFC_PCI_DEV_LP
:
11848 rc
= lpfc_io_slot_reset_s3(pdev
);
11850 case LPFC_PCI_DEV_OC
:
11851 rc
= lpfc_io_slot_reset_s4(pdev
);
11854 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11855 "1428 Invalid PCI device group: 0x%x\n",
11856 phba
->pci_dev_grp
);
11863 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
11864 * @pdev: pointer to PCI device
11866 * This routine is registered to the PCI subsystem for error handling. It
11867 * is called when kernel error recovery tells the lpfc driver that it is
11868 * OK to resume normal PCI operation after PCI bus error recovery. When
11869 * this routine is invoked, it dispatches the action to the proper SLI-3
11870 * or SLI-4 device io_resume routine, which will resume the device operation.
11873 lpfc_io_resume(struct pci_dev
*pdev
)
11875 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11876 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11878 switch (phba
->pci_dev_grp
) {
11879 case LPFC_PCI_DEV_LP
:
11880 lpfc_io_resume_s3(pdev
);
11882 case LPFC_PCI_DEV_OC
:
11883 lpfc_io_resume_s4(pdev
);
11886 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11887 "1429 Invalid PCI device group: 0x%x\n",
11888 phba
->pci_dev_grp
);
11895 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
11896 * @phba: pointer to lpfc hba data structure.
11898 * This routine checks to see if OAS is supported for this adapter. If
11899 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
11900 * the enable oas flag is cleared and the pool created for OAS device data
11905 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
11908 if (!phba
->cfg_EnableXLane
)
11911 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
11915 if (phba
->device_data_mem_pool
)
11916 mempool_destroy(phba
->device_data_mem_pool
);
11917 phba
->device_data_mem_pool
= NULL
;
11924 * lpfc_fof_queue_setup - Set up all the fof queues
11925 * @phba: pointer to lpfc hba data structure.
11927 * This routine is invoked to set up all the fof queues for the FC HBA
11932 * -ENOMEM - No available memory
11935 lpfc_fof_queue_setup(struct lpfc_hba
*phba
)
11937 struct lpfc_sli_ring
*pring
;
11940 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fof_eq
, LPFC_MAX_IMAX
);
11944 if (phba
->cfg_fof
) {
11946 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.oas_cq
,
11947 phba
->sli4_hba
.fof_eq
, LPFC_WCQ
, LPFC_FCP
);
11951 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.oas_wq
,
11952 phba
->sli4_hba
.oas_cq
, LPFC_FCP
);
11956 /* Bind this CQ/WQ to the NVME ring */
11957 pring
= phba
->sli4_hba
.oas_wq
->pring
;
11958 pring
->sli
.sli4
.wqp
=
11959 (void *)phba
->sli4_hba
.oas_wq
;
11960 phba
->sli4_hba
.oas_cq
->pring
= pring
;
11966 lpfc_cq_destroy(phba
, phba
->sli4_hba
.oas_cq
);
11968 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fof_eq
);
11974 * lpfc_fof_queue_create - Create all the fof queues
11975 * @phba: pointer to lpfc hba data structure.
11977 * This routine is invoked to allocate all the fof queues for the FC HBA
11978 * operation. For each SLI4 queue type, the parameters such as queue entry
11979 * count (queue depth) shall be taken from the module parameter. For now,
11980 * we just use some constant number as place holder.
11984 * -ENOMEM - No availble memory
11985 * -EIO - The mailbox failed to complete successfully.
11988 lpfc_fof_queue_create(struct lpfc_hba
*phba
)
11990 struct lpfc_queue
*qdesc
;
11993 /* Create FOF EQ */
11994 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
11995 phba
->sli4_hba
.eq_ecount
);
11999 phba
->sli4_hba
.fof_eq
= qdesc
;
12001 if (phba
->cfg_fof
) {
12003 /* Create OAS CQ */
12004 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
12005 phba
->sli4_hba
.cq_ecount
);
12009 phba
->sli4_hba
.oas_cq
= qdesc
;
12011 /* Create OAS WQ */
12012 wqesize
= (phba
->fcp_embed_io
) ?
12013 LPFC_WQE128_SIZE
: phba
->sli4_hba
.wq_esize
;
12014 qdesc
= lpfc_sli4_queue_alloc(phba
, wqesize
,
12015 phba
->sli4_hba
.wq_ecount
);
12020 phba
->sli4_hba
.oas_wq
= qdesc
;
12021 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
12027 lpfc_fof_queue_destroy(phba
);
12032 * lpfc_fof_queue_destroy - Destroy all the fof queues
12033 * @phba: pointer to lpfc hba data structure.
12035 * This routine is invoked to release all the SLI4 queues with the FC HBA
12042 lpfc_fof_queue_destroy(struct lpfc_hba
*phba
)
12044 /* Release FOF Event queue */
12045 if (phba
->sli4_hba
.fof_eq
!= NULL
) {
12046 lpfc_sli4_queue_free(phba
->sli4_hba
.fof_eq
);
12047 phba
->sli4_hba
.fof_eq
= NULL
;
12050 /* Release OAS Completion queue */
12051 if (phba
->sli4_hba
.oas_cq
!= NULL
) {
12052 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_cq
);
12053 phba
->sli4_hba
.oas_cq
= NULL
;
12056 /* Release OAS Work queue */
12057 if (phba
->sli4_hba
.oas_wq
!= NULL
) {
12058 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_wq
);
12059 phba
->sli4_hba
.oas_wq
= NULL
;
12064 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
12066 static const struct pci_error_handlers lpfc_err_handler
= {
12067 .error_detected
= lpfc_io_error_detected
,
12068 .slot_reset
= lpfc_io_slot_reset
,
12069 .resume
= lpfc_io_resume
,
12072 static struct pci_driver lpfc_driver
= {
12073 .name
= LPFC_DRIVER_NAME
,
12074 .id_table
= lpfc_id_table
,
12075 .probe
= lpfc_pci_probe_one
,
12076 .remove
= lpfc_pci_remove_one
,
12077 .shutdown
= lpfc_pci_remove_one
,
12078 .suspend
= lpfc_pci_suspend_one
,
12079 .resume
= lpfc_pci_resume_one
,
12080 .err_handler
= &lpfc_err_handler
,
12083 static const struct file_operations lpfc_mgmt_fop
= {
12084 .owner
= THIS_MODULE
,
12087 static struct miscdevice lpfc_mgmt_dev
= {
12088 .minor
= MISC_DYNAMIC_MINOR
,
12089 .name
= "lpfcmgmt",
12090 .fops
= &lpfc_mgmt_fop
,
12094 * lpfc_init - lpfc module initialization routine
12096 * This routine is to be invoked when the lpfc module is loaded into the
12097 * kernel. The special kernel macro module_init() is used to indicate the
12098 * role of this routine to the kernel as lpfc module entry point.
12102 * -ENOMEM - FC attach transport failed
12103 * all others - failed
12110 printk(LPFC_MODULE_DESC
"\n");
12111 printk(LPFC_COPYRIGHT
"\n");
12113 error
= misc_register(&lpfc_mgmt_dev
);
12115 printk(KERN_ERR
"Could not register lpfcmgmt device, "
12116 "misc_register returned with status %d", error
);
12118 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
12119 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
12120 lpfc_transport_template
=
12121 fc_attach_transport(&lpfc_transport_functions
);
12122 if (lpfc_transport_template
== NULL
)
12124 lpfc_vport_transport_template
=
12125 fc_attach_transport(&lpfc_vport_transport_functions
);
12126 if (lpfc_vport_transport_template
== NULL
) {
12127 fc_release_transport(lpfc_transport_template
);
12131 /* Initialize in case vector mapping is needed */
12132 lpfc_used_cpu
= NULL
;
12133 lpfc_present_cpu
= num_present_cpus();
12135 error
= pci_register_driver(&lpfc_driver
);
12137 fc_release_transport(lpfc_transport_template
);
12138 fc_release_transport(lpfc_vport_transport_template
);
12145 * lpfc_exit - lpfc module removal routine
12147 * This routine is invoked when the lpfc module is removed from the kernel.
12148 * The special kernel macro module_exit() is used to indicate the role of
12149 * this routine to the kernel as lpfc module exit point.
12154 misc_deregister(&lpfc_mgmt_dev
);
12155 pci_unregister_driver(&lpfc_driver
);
12156 fc_release_transport(lpfc_transport_template
);
12157 fc_release_transport(lpfc_vport_transport_template
);
12158 if (_dump_buf_data
) {
12159 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
12160 "_dump_buf_data at 0x%p\n",
12161 (1L << _dump_buf_data_order
), _dump_buf_data
);
12162 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
12165 if (_dump_buf_dif
) {
12166 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
12167 "_dump_buf_dif at 0x%p\n",
12168 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
12169 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
12171 kfree(lpfc_used_cpu
);
12172 idr_destroy(&lpfc_hba_index
);
12175 module_init(lpfc_init
);
12176 module_exit(lpfc_exit
);
12177 MODULE_LICENSE("GPL");
12178 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
12179 MODULE_AUTHOR("Broadcom");
12180 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);