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>
40 #include <linux/bitops.h>
42 #include <scsi/scsi.h>
43 #include <scsi/scsi_device.h>
44 #include <scsi/scsi_host.h>
45 #include <scsi/scsi_transport_fc.h>
46 #include <scsi/scsi_tcq.h>
47 #include <scsi/fc/fc_fs.h>
49 #include <linux/nvme-fc-driver.h>
54 #include "lpfc_sli4.h"
56 #include "lpfc_disc.h"
58 #include "lpfc_scsi.h"
59 #include "lpfc_nvme.h"
60 #include "lpfc_nvmet.h"
61 #include "lpfc_logmsg.h"
62 #include "lpfc_crtn.h"
63 #include "lpfc_vport.h"
64 #include "lpfc_version.h"
68 unsigned long _dump_buf_data_order
;
70 unsigned long _dump_buf_dif_order
;
71 spinlock_t _dump_buf_lock
;
73 /* Used when mapping IRQ vectors in a driver centric manner */
74 uint16_t *lpfc_used_cpu
;
75 uint32_t lpfc_present_cpu
;
77 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
78 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
79 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
80 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
81 static int lpfc_setup_endian_order(struct lpfc_hba
*);
82 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
83 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
84 static void lpfc_free_nvmet_sgl_list(struct lpfc_hba
*);
85 static void lpfc_init_sgl_list(struct lpfc_hba
*);
86 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
87 static void lpfc_free_active_sgl(struct lpfc_hba
*);
88 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
89 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
90 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
91 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
92 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
93 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
94 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
95 static void lpfc_sli4_oas_verify(struct lpfc_hba
*phba
);
97 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
98 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
99 static DEFINE_IDR(lpfc_hba_index
);
100 #define LPFC_NVMET_BUF_POST 254
103 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
104 * @phba: pointer to lpfc hba data structure.
106 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
107 * mailbox command. It retrieves the revision information from the HBA and
108 * collects the Vital Product Data (VPD) about the HBA for preparing the
109 * configuration of the HBA.
113 * -ERESTART - requests the SLI layer to reset the HBA and try again.
114 * Any other value - indicates an error.
117 lpfc_config_port_prep(struct lpfc_hba
*phba
)
119 lpfc_vpd_t
*vp
= &phba
->vpd
;
123 char *lpfc_vpd_data
= NULL
;
125 static char licensed
[56] =
126 "key unlock for use with gnu public licensed code only\0";
127 static int init_key
= 1;
129 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
131 phba
->link_state
= LPFC_HBA_ERROR
;
136 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
138 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
140 uint32_t *ptext
= (uint32_t *) licensed
;
142 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
143 *ptext
= cpu_to_be32(*ptext
);
147 lpfc_read_nv(phba
, pmb
);
148 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
149 sizeof (mb
->un
.varRDnvp
.rsvd3
));
150 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
153 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
155 if (rc
!= MBX_SUCCESS
) {
156 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
157 "0324 Config Port initialization "
158 "error, mbxCmd x%x READ_NVPARM, "
160 mb
->mbxCommand
, mb
->mbxStatus
);
161 mempool_free(pmb
, phba
->mbox_mem_pool
);
164 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
166 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
170 phba
->sli3_options
= 0x0;
172 /* Setup and issue mailbox READ REV command */
173 lpfc_read_rev(phba
, pmb
);
174 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
175 if (rc
!= MBX_SUCCESS
) {
176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
177 "0439 Adapter failed to init, mbxCmd x%x "
178 "READ_REV, mbxStatus x%x\n",
179 mb
->mbxCommand
, mb
->mbxStatus
);
180 mempool_free( pmb
, phba
->mbox_mem_pool
);
186 * The value of rr must be 1 since the driver set the cv field to 1.
187 * This setting requires the FW to set all revision fields.
189 if (mb
->un
.varRdRev
.rr
== 0) {
191 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
192 "0440 Adapter failed to init, READ_REV has "
193 "missing revision information.\n");
194 mempool_free(pmb
, phba
->mbox_mem_pool
);
198 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
199 mempool_free(pmb
, phba
->mbox_mem_pool
);
203 /* Save information as VPD data */
205 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
206 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
207 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
208 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
209 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
210 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
211 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
212 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
213 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
214 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
215 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
216 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
217 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
218 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
219 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
221 /* If the sli feature level is less then 9, we must
222 * tear down all RPIs and VPIs on link down if NPIV
225 if (vp
->rev
.feaLevelHigh
< 9)
226 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
228 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
229 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
230 sizeof (phba
->RandomData
));
232 /* Get adapter VPD information */
233 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
237 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
238 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
240 if (rc
!= MBX_SUCCESS
) {
241 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
242 "0441 VPD not present on adapter, "
243 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
244 mb
->mbxCommand
, mb
->mbxStatus
);
245 mb
->un
.varDmp
.word_cnt
= 0;
247 /* dump mem may return a zero when finished or we got a
248 * mailbox error, either way we are done.
250 if (mb
->un
.varDmp
.word_cnt
== 0)
252 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
253 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
254 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
255 lpfc_vpd_data
+ offset
,
256 mb
->un
.varDmp
.word_cnt
);
257 offset
+= mb
->un
.varDmp
.word_cnt
;
258 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
259 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
261 kfree(lpfc_vpd_data
);
263 mempool_free(pmb
, phba
->mbox_mem_pool
);
268 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
269 * @phba: pointer to lpfc hba data structure.
270 * @pmboxq: pointer to the driver internal queue element for mailbox command.
272 * This is the completion handler for driver's configuring asynchronous event
273 * mailbox command to the device. If the mailbox command returns successfully,
274 * it will set internal async event support flag to 1; otherwise, it will
275 * set internal async event support flag to 0.
278 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
280 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
281 phba
->temp_sensor_support
= 1;
283 phba
->temp_sensor_support
= 0;
284 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
289 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
290 * @phba: pointer to lpfc hba data structure.
291 * @pmboxq: pointer to the driver internal queue element for mailbox command.
293 * This is the completion handler for dump mailbox command for getting
294 * wake up parameters. When this command complete, the response contain
295 * Option rom version of the HBA. This function translate the version number
296 * into a human readable string and store it in OptionROMVersion.
299 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
302 uint32_t prog_id_word
;
304 /* character array used for decoding dist type. */
305 char dist_char
[] = "nabx";
307 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
308 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
312 prg
= (struct prog_id
*) &prog_id_word
;
314 /* word 7 contain option rom version */
315 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
317 /* Decode the Option rom version word to a readable string */
319 dist
= dist_char
[prg
->dist
];
321 if ((prg
->dist
== 3) && (prg
->num
== 0))
322 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d",
323 prg
->ver
, prg
->rev
, prg
->lev
);
325 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d%c%d",
326 prg
->ver
, prg
->rev
, prg
->lev
,
328 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
333 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
334 * cfg_soft_wwnn, cfg_soft_wwpn
335 * @vport: pointer to lpfc vport data structure.
342 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
344 uint8_t vvvl
= vport
->fc_sparam
.cmn
.valid_vendor_ver_level
;
345 u32
*fawwpn_key
= (u32
*)&vport
->fc_sparam
.un
.vendorVersion
[0];
347 /* If the soft name exists then update it using the service params */
348 if (vport
->phba
->cfg_soft_wwnn
)
349 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
350 vport
->fc_sparam
.nodeName
.u
.wwn
);
351 if (vport
->phba
->cfg_soft_wwpn
)
352 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
353 vport
->fc_sparam
.portName
.u
.wwn
);
356 * If the name is empty or there exists a soft name
357 * then copy the service params name, otherwise use the fc name
359 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
360 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
361 sizeof(struct lpfc_name
));
363 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
364 sizeof(struct lpfc_name
));
367 * If the port name has changed, then set the Param changes flag
370 if (vport
->fc_portname
.u
.wwn
[0] != 0 &&
371 memcmp(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
372 sizeof(struct lpfc_name
)))
373 vport
->vport_flag
|= FAWWPN_PARAM_CHG
;
375 if (vport
->fc_portname
.u
.wwn
[0] == 0 ||
376 vport
->phba
->cfg_soft_wwpn
||
377 (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
) ||
378 vport
->vport_flag
& FAWWPN_SET
) {
379 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
380 sizeof(struct lpfc_name
));
381 vport
->vport_flag
&= ~FAWWPN_SET
;
382 if (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
)
383 vport
->vport_flag
|= FAWWPN_SET
;
386 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
387 sizeof(struct lpfc_name
));
391 * lpfc_config_port_post - Perform lpfc initialization after config port
392 * @phba: pointer to lpfc hba data structure.
394 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
395 * command call. It performs all internal resource and state setups on the
396 * port: post IOCB buffers, enable appropriate host interrupt attentions,
397 * ELS ring timers, etc.
401 * Any other value - error.
404 lpfc_config_port_post(struct lpfc_hba
*phba
)
406 struct lpfc_vport
*vport
= phba
->pport
;
407 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
410 struct lpfc_dmabuf
*mp
;
411 struct lpfc_sli
*psli
= &phba
->sli
;
412 uint32_t status
, timeout
;
416 spin_lock_irq(&phba
->hbalock
);
418 * If the Config port completed correctly the HBA is not
419 * over heated any more.
421 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
422 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
423 spin_unlock_irq(&phba
->hbalock
);
425 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
427 phba
->link_state
= LPFC_HBA_ERROR
;
432 /* Get login parameters for NID. */
433 rc
= lpfc_read_sparam(phba
, pmb
, 0);
435 mempool_free(pmb
, phba
->mbox_mem_pool
);
440 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
441 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
442 "0448 Adapter failed init, mbxCmd x%x "
443 "READ_SPARM mbxStatus x%x\n",
444 mb
->mbxCommand
, mb
->mbxStatus
);
445 phba
->link_state
= LPFC_HBA_ERROR
;
446 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
447 mempool_free(pmb
, phba
->mbox_mem_pool
);
448 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
453 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
455 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
456 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
458 pmb
->context1
= NULL
;
459 lpfc_update_vport_wwn(vport
);
461 /* Update the fc_host data structures with new wwn. */
462 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
463 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
464 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
466 /* If no serial number in VPD data, use low 6 bytes of WWNN */
467 /* This should be consolidated into parse_vpd ? - mr */
468 if (phba
->SerialNumber
[0] == 0) {
471 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
472 for (i
= 0; i
< 12; i
++) {
474 j
= ((status
& 0xf0) >> 4);
476 phba
->SerialNumber
[i
] =
477 (char)((uint8_t) 0x30 + (uint8_t) j
);
479 phba
->SerialNumber
[i
] =
480 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
484 phba
->SerialNumber
[i
] =
485 (char)((uint8_t) 0x30 + (uint8_t) j
);
487 phba
->SerialNumber
[i
] =
488 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
492 lpfc_read_config(phba
, pmb
);
494 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
495 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
496 "0453 Adapter failed to init, mbxCmd x%x "
497 "READ_CONFIG, mbxStatus x%x\n",
498 mb
->mbxCommand
, mb
->mbxStatus
);
499 phba
->link_state
= LPFC_HBA_ERROR
;
500 mempool_free( pmb
, phba
->mbox_mem_pool
);
504 /* Check if the port is disabled */
505 lpfc_sli_read_link_ste(phba
);
507 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
508 i
= (mb
->un
.varRdConfig
.max_xri
+ 1);
509 if (phba
->cfg_hba_queue_depth
> i
) {
510 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
511 "3359 HBA queue depth changed from %d to %d\n",
512 phba
->cfg_hba_queue_depth
, i
);
513 phba
->cfg_hba_queue_depth
= i
;
516 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
517 i
= (mb
->un
.varRdConfig
.max_xri
>> 3);
518 if (phba
->pport
->cfg_lun_queue_depth
> i
) {
519 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
520 "3360 LUN queue depth changed from %d to %d\n",
521 phba
->pport
->cfg_lun_queue_depth
, i
);
522 phba
->pport
->cfg_lun_queue_depth
= i
;
525 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
527 /* Get the default values for Model Name and Description */
528 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
530 phba
->link_state
= LPFC_LINK_DOWN
;
532 /* Only process IOCBs on ELS ring till hba_state is READY */
533 if (psli
->sli3_ring
[LPFC_EXTRA_RING
].sli
.sli3
.cmdringaddr
)
534 psli
->sli3_ring
[LPFC_EXTRA_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
535 if (psli
->sli3_ring
[LPFC_FCP_RING
].sli
.sli3
.cmdringaddr
)
536 psli
->sli3_ring
[LPFC_FCP_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
538 /* Post receive buffers for desired rings */
539 if (phba
->sli_rev
!= 3)
540 lpfc_post_rcv_buf(phba
);
543 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
545 if (phba
->intr_type
== MSIX
) {
546 rc
= lpfc_config_msi(phba
, pmb
);
548 mempool_free(pmb
, phba
->mbox_mem_pool
);
551 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
552 if (rc
!= MBX_SUCCESS
) {
553 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
554 "0352 Config MSI mailbox command "
555 "failed, mbxCmd x%x, mbxStatus x%x\n",
556 pmb
->u
.mb
.mbxCommand
,
557 pmb
->u
.mb
.mbxStatus
);
558 mempool_free(pmb
, phba
->mbox_mem_pool
);
563 spin_lock_irq(&phba
->hbalock
);
564 /* Initialize ERATT handling flag */
565 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
567 /* Enable appropriate host interrupts */
568 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
569 spin_unlock_irq(&phba
->hbalock
);
572 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
573 if (psli
->num_rings
> 0)
574 status
|= HC_R0INT_ENA
;
575 if (psli
->num_rings
> 1)
576 status
|= HC_R1INT_ENA
;
577 if (psli
->num_rings
> 2)
578 status
|= HC_R2INT_ENA
;
579 if (psli
->num_rings
> 3)
580 status
|= HC_R3INT_ENA
;
582 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
583 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
584 status
&= ~(HC_R0INT_ENA
);
586 writel(status
, phba
->HCregaddr
);
587 readl(phba
->HCregaddr
); /* flush */
588 spin_unlock_irq(&phba
->hbalock
);
590 /* Set up ring-0 (ELS) timer */
591 timeout
= phba
->fc_ratov
* 2;
592 mod_timer(&vport
->els_tmofunc
,
593 jiffies
+ msecs_to_jiffies(1000 * timeout
));
594 /* Set up heart beat (HB) timer */
595 mod_timer(&phba
->hb_tmofunc
,
596 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
597 phba
->hb_outstanding
= 0;
598 phba
->last_completion_time
= jiffies
;
599 /* Set up error attention (ERATT) polling timer */
600 mod_timer(&phba
->eratt_poll
,
601 jiffies
+ msecs_to_jiffies(1000 * phba
->eratt_poll_interval
));
603 if (phba
->hba_flag
& LINK_DISABLED
) {
604 lpfc_printf_log(phba
,
606 "2598 Adapter Link is disabled.\n");
607 lpfc_down_link(phba
, pmb
);
608 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
609 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
610 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
611 lpfc_printf_log(phba
,
613 "2599 Adapter failed to issue DOWN_LINK"
614 " mbox command rc 0x%x\n", rc
);
616 mempool_free(pmb
, phba
->mbox_mem_pool
);
619 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
620 mempool_free(pmb
, phba
->mbox_mem_pool
);
621 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
625 /* MBOX buffer will be freed in mbox compl */
626 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
628 phba
->link_state
= LPFC_HBA_ERROR
;
632 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
633 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
634 pmb
->vport
= phba
->pport
;
635 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
637 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
638 lpfc_printf_log(phba
,
641 "0456 Adapter failed to issue "
642 "ASYNCEVT_ENABLE mbox status x%x\n",
644 mempool_free(pmb
, phba
->mbox_mem_pool
);
647 /* Get Option rom version */
648 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
650 phba
->link_state
= LPFC_HBA_ERROR
;
654 lpfc_dump_wakeup_param(phba
, pmb
);
655 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
656 pmb
->vport
= phba
->pport
;
657 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
659 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
660 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
661 "to get Option ROM version status x%x\n", rc
);
662 mempool_free(pmb
, phba
->mbox_mem_pool
);
669 * lpfc_hba_init_link - Initialize the FC link
670 * @phba: pointer to lpfc hba data structure.
671 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
673 * This routine will issue the INIT_LINK mailbox command call.
674 * It is available to other drivers through the lpfc_hba data
675 * structure for use as a delayed link up mechanism with the
676 * module parameter lpfc_suppress_link_up.
680 * Any other value - error
683 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
685 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
689 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
690 * @phba: pointer to lpfc hba data structure.
691 * @fc_topology: desired fc topology.
692 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
694 * This routine will issue the INIT_LINK mailbox command call.
695 * It is available to other drivers through the lpfc_hba data
696 * structure for use as a delayed link up mechanism with the
697 * module parameter lpfc_suppress_link_up.
701 * Any other value - error
704 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
707 struct lpfc_vport
*vport
= phba
->pport
;
712 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
714 phba
->link_state
= LPFC_HBA_ERROR
;
720 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
721 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
722 !(phba
->lmt
& LMT_1Gb
)) ||
723 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
724 !(phba
->lmt
& LMT_2Gb
)) ||
725 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
726 !(phba
->lmt
& LMT_4Gb
)) ||
727 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
728 !(phba
->lmt
& LMT_8Gb
)) ||
729 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
730 !(phba
->lmt
& LMT_10Gb
)) ||
731 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
732 !(phba
->lmt
& LMT_16Gb
)) ||
733 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_32G
) &&
734 !(phba
->lmt
& LMT_32Gb
))) {
735 /* Reset link speed to auto */
736 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
737 "1302 Invalid speed for this board:%d "
738 "Reset link speed to auto.\n",
739 phba
->cfg_link_speed
);
740 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
742 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
743 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
744 if (phba
->sli_rev
< LPFC_SLI_REV4
)
745 lpfc_set_loopback_flag(phba
);
746 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
747 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
748 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
749 "0498 Adapter failed to init, mbxCmd x%x "
750 "INIT_LINK, mbxStatus x%x\n",
751 mb
->mbxCommand
, mb
->mbxStatus
);
752 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
753 /* Clear all interrupt enable conditions */
754 writel(0, phba
->HCregaddr
);
755 readl(phba
->HCregaddr
); /* flush */
756 /* Clear all pending interrupts */
757 writel(0xffffffff, phba
->HAregaddr
);
758 readl(phba
->HAregaddr
); /* flush */
760 phba
->link_state
= LPFC_HBA_ERROR
;
761 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
762 mempool_free(pmb
, phba
->mbox_mem_pool
);
765 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
766 if (flag
== MBX_POLL
)
767 mempool_free(pmb
, phba
->mbox_mem_pool
);
773 * lpfc_hba_down_link - this routine downs the FC link
774 * @phba: pointer to lpfc hba data structure.
775 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
777 * This routine will issue the DOWN_LINK mailbox command call.
778 * It is available to other drivers through the lpfc_hba data
779 * structure for use to stop the link.
783 * Any other value - error
786 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
791 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
793 phba
->link_state
= LPFC_HBA_ERROR
;
797 lpfc_printf_log(phba
,
799 "0491 Adapter Link is disabled.\n");
800 lpfc_down_link(phba
, pmb
);
801 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
802 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
803 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
804 lpfc_printf_log(phba
,
806 "2522 Adapter failed to issue DOWN_LINK"
807 " mbox command rc 0x%x\n", rc
);
809 mempool_free(pmb
, phba
->mbox_mem_pool
);
812 if (flag
== MBX_POLL
)
813 mempool_free(pmb
, phba
->mbox_mem_pool
);
819 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
820 * @phba: pointer to lpfc HBA data structure.
822 * This routine will do LPFC uninitialization before the HBA is reset when
823 * bringing down the SLI Layer.
827 * Any other value - error.
830 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
832 struct lpfc_vport
**vports
;
835 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
836 /* Disable interrupts */
837 writel(0, phba
->HCregaddr
);
838 readl(phba
->HCregaddr
); /* flush */
841 if (phba
->pport
->load_flag
& FC_UNLOADING
)
842 lpfc_cleanup_discovery_resources(phba
->pport
);
844 vports
= lpfc_create_vport_work_array(phba
);
846 for (i
= 0; i
<= phba
->max_vports
&&
847 vports
[i
] != NULL
; i
++)
848 lpfc_cleanup_discovery_resources(vports
[i
]);
849 lpfc_destroy_vport_work_array(phba
, vports
);
855 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
856 * rspiocb which got deferred
858 * @phba: pointer to lpfc HBA data structure.
860 * This routine will cleanup completed slow path events after HBA is reset
861 * when bringing down the SLI Layer.
868 lpfc_sli4_free_sp_events(struct lpfc_hba
*phba
)
870 struct lpfc_iocbq
*rspiocbq
;
871 struct hbq_dmabuf
*dmabuf
;
872 struct lpfc_cq_event
*cq_event
;
874 spin_lock_irq(&phba
->hbalock
);
875 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
876 spin_unlock_irq(&phba
->hbalock
);
878 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
879 /* Get the response iocb from the head of work queue */
880 spin_lock_irq(&phba
->hbalock
);
881 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
882 cq_event
, struct lpfc_cq_event
, list
);
883 spin_unlock_irq(&phba
->hbalock
);
885 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
886 case CQE_CODE_COMPL_WQE
:
887 rspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
889 lpfc_sli_release_iocbq(phba
, rspiocbq
);
891 case CQE_CODE_RECEIVE
:
892 case CQE_CODE_RECEIVE_V1
:
893 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
895 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
901 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
902 * @phba: pointer to lpfc HBA data structure.
904 * This routine will cleanup posted ELS buffers after the HBA is reset
905 * when bringing down the SLI Layer.
912 lpfc_hba_free_post_buf(struct lpfc_hba
*phba
)
914 struct lpfc_sli
*psli
= &phba
->sli
;
915 struct lpfc_sli_ring
*pring
;
916 struct lpfc_dmabuf
*mp
, *next_mp
;
920 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
921 lpfc_sli_hbqbuf_free_all(phba
);
923 /* Cleanup preposted buffers on the ELS ring */
924 pring
= &psli
->sli3_ring
[LPFC_ELS_RING
];
925 spin_lock_irq(&phba
->hbalock
);
926 list_splice_init(&pring
->postbufq
, &buflist
);
927 spin_unlock_irq(&phba
->hbalock
);
930 list_for_each_entry_safe(mp
, next_mp
, &buflist
, list
) {
933 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
937 spin_lock_irq(&phba
->hbalock
);
938 pring
->postbufq_cnt
-= count
;
939 spin_unlock_irq(&phba
->hbalock
);
944 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
945 * @phba: pointer to lpfc HBA data structure.
947 * This routine will cleanup the txcmplq after the HBA is reset when bringing
948 * down the SLI Layer.
954 lpfc_hba_clean_txcmplq(struct lpfc_hba
*phba
)
956 struct lpfc_sli
*psli
= &phba
->sli
;
957 struct lpfc_queue
*qp
= NULL
;
958 struct lpfc_sli_ring
*pring
;
959 LIST_HEAD(completions
);
962 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
963 for (i
= 0; i
< psli
->num_rings
; i
++) {
964 pring
= &psli
->sli3_ring
[i
];
965 spin_lock_irq(&phba
->hbalock
);
966 /* At this point in time the HBA is either reset or DOA
967 * Nothing should be on txcmplq as it will
970 list_splice_init(&pring
->txcmplq
, &completions
);
971 pring
->txcmplq_cnt
= 0;
972 spin_unlock_irq(&phba
->hbalock
);
974 lpfc_sli_abort_iocb_ring(phba
, pring
);
976 /* Cancel all the IOCBs from the completions list */
977 lpfc_sli_cancel_iocbs(phba
, &completions
,
978 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
981 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
985 spin_lock_irq(&pring
->ring_lock
);
986 list_splice_init(&pring
->txcmplq
, &completions
);
987 pring
->txcmplq_cnt
= 0;
988 spin_unlock_irq(&pring
->ring_lock
);
989 lpfc_sli_abort_iocb_ring(phba
, pring
);
991 /* Cancel all the IOCBs from the completions list */
992 lpfc_sli_cancel_iocbs(phba
, &completions
,
993 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
997 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
999 * @phba: pointer to lpfc HBA data structure.
1001 * This routine will do uninitialization after the HBA is reset when bring
1002 * down the SLI Layer.
1006 * Any other value - error.
1009 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
1011 lpfc_hba_free_post_buf(phba
);
1012 lpfc_hba_clean_txcmplq(phba
);
1017 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
1018 * @phba: pointer to lpfc HBA data structure.
1020 * This routine will do uninitialization after the HBA is reset when bring
1021 * down the SLI Layer.
1025 * Any other value - error.
1028 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
1030 struct lpfc_scsi_buf
*psb
, *psb_next
;
1031 struct lpfc_nvmet_rcv_ctx
*ctxp
, *ctxp_next
;
1033 LIST_HEAD(nvme_aborts
);
1034 LIST_HEAD(nvmet_aborts
);
1035 unsigned long iflag
= 0;
1036 struct lpfc_sglq
*sglq_entry
= NULL
;
1039 lpfc_sli_hbqbuf_free_all(phba
);
1040 lpfc_hba_clean_txcmplq(phba
);
1042 /* At this point in time the HBA is either reset or DOA. Either
1043 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1044 * on the lpfc_els_sgl_list so that it can either be freed if the
1045 * driver is unloading or reposted if the driver is restarting
1048 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_els_sgl_list and */
1050 /* sgl_list_lock required because worker thread uses this
1053 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
1054 list_for_each_entry(sglq_entry
,
1055 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
1056 sglq_entry
->state
= SGL_FREED
;
1058 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
1059 &phba
->sli4_hba
.lpfc_els_sgl_list
);
1062 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
1063 /* abts_scsi_buf_list_lock required because worker thread uses this
1066 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
1067 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1068 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
1070 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1073 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1074 spin_lock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
1075 list_splice_init(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
,
1077 list_splice_init(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
,
1079 spin_unlock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
1082 spin_unlock_irq(&phba
->hbalock
);
1084 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
1086 psb
->status
= IOSTAT_SUCCESS
;
1088 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
1089 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
1090 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
1092 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1093 list_for_each_entry_safe(psb
, psb_next
, &nvme_aborts
, list
) {
1095 psb
->status
= IOSTAT_SUCCESS
;
1097 spin_lock_irqsave(&phba
->nvme_buf_list_put_lock
, iflag
);
1098 list_splice(&nvme_aborts
, &phba
->lpfc_nvme_buf_list_put
);
1099 spin_unlock_irqrestore(&phba
->nvme_buf_list_put_lock
, iflag
);
1101 list_for_each_entry_safe(ctxp
, ctxp_next
, &nvmet_aborts
, list
) {
1102 ctxp
->flag
&= ~(LPFC_NVMET_XBUSY
| LPFC_NVMET_ABORT_OP
);
1103 lpfc_nvmet_ctxbuf_post(phba
, ctxp
->ctxbuf
);
1107 lpfc_sli4_free_sp_events(phba
);
1112 * lpfc_hba_down_post - Wrapper func for hba down post routine
1113 * @phba: pointer to lpfc HBA data structure.
1115 * This routine wraps the actual SLI3 or SLI4 routine for performing
1116 * uninitialization after the HBA is reset when bring down the SLI Layer.
1120 * Any other value - error.
1123 lpfc_hba_down_post(struct lpfc_hba
*phba
)
1125 return (*phba
->lpfc_hba_down_post
)(phba
);
1129 * lpfc_hb_timeout - The HBA-timer timeout handler
1130 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1132 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1133 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1134 * work-port-events bitmap and the worker thread is notified. This timeout
1135 * event will be used by the worker thread to invoke the actual timeout
1136 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1137 * be performed in the timeout handler and the HBA timeout event bit shall
1138 * be cleared by the worker thread after it has taken the event bitmap out.
1141 lpfc_hb_timeout(struct timer_list
*t
)
1143 struct lpfc_hba
*phba
;
1144 uint32_t tmo_posted
;
1145 unsigned long iflag
;
1147 phba
= from_timer(phba
, t
, hb_tmofunc
);
1149 /* Check for heart beat timeout conditions */
1150 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1151 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
1153 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
1154 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1156 /* Tell the worker thread there is work to do */
1158 lpfc_worker_wake_up(phba
);
1163 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1164 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1166 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1167 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1168 * work-port-events bitmap and the worker thread is notified. This timeout
1169 * event will be used by the worker thread to invoke the actual timeout
1170 * handler routine, lpfc_rrq_handler. Any periodical operations will
1171 * be performed in the timeout handler and the RRQ timeout event bit shall
1172 * be cleared by the worker thread after it has taken the event bitmap out.
1175 lpfc_rrq_timeout(struct timer_list
*t
)
1177 struct lpfc_hba
*phba
;
1178 unsigned long iflag
;
1180 phba
= from_timer(phba
, t
, rrq_tmr
);
1181 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1182 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1183 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
1185 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
1186 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1188 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1189 lpfc_worker_wake_up(phba
);
1193 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1194 * @phba: pointer to lpfc hba data structure.
1195 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1197 * This is the callback function to the lpfc heart-beat mailbox command.
1198 * If configured, the lpfc driver issues the heart-beat mailbox command to
1199 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1200 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1201 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1202 * heart-beat outstanding state. Once the mailbox command comes back and
1203 * no error conditions detected, the heart-beat mailbox command timer is
1204 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1205 * state is cleared for the next heart-beat. If the timer expired with the
1206 * heart-beat outstanding state set, the driver will put the HBA offline.
1209 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1211 unsigned long drvr_flag
;
1213 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1214 phba
->hb_outstanding
= 0;
1215 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1217 /* Check and reset heart-beat timer is necessary */
1218 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1219 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1220 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1221 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1222 mod_timer(&phba
->hb_tmofunc
,
1224 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1229 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1230 * @phba: pointer to lpfc hba data structure.
1232 * This is the actual HBA-timer timeout handler to be invoked by the worker
1233 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1234 * handler performs any periodic operations needed for the device. If such
1235 * periodic event has already been attended to either in the interrupt handler
1236 * or by processing slow-ring or fast-ring events within the HBA-timer
1237 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1238 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1239 * is configured and there is no heart-beat mailbox command outstanding, a
1240 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1241 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1245 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1247 struct lpfc_vport
**vports
;
1248 LPFC_MBOXQ_t
*pmboxq
;
1249 struct lpfc_dmabuf
*buf_ptr
;
1251 struct lpfc_sli
*psli
= &phba
->sli
;
1252 LIST_HEAD(completions
);
1253 struct lpfc_queue
*qp
;
1254 unsigned long time_elapsed
;
1255 uint32_t tick_cqe
, max_cqe
, val
;
1256 uint64_t tot
, data1
, data2
, data3
;
1257 struct lpfc_nvmet_tgtport
*tgtp
;
1258 struct lpfc_register reg_data
;
1259 void __iomem
*eqdreg
= phba
->sli4_hba
.u
.if_type2
.EQDregaddr
;
1261 vports
= lpfc_create_vport_work_array(phba
);
1263 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
1264 lpfc_rcv_seq_check_edtov(vports
[i
]);
1265 lpfc_fdmi_num_disc_check(vports
[i
]);
1267 lpfc_destroy_vport_work_array(phba
, vports
);
1269 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1270 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1271 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1274 if (phba
->cfg_auto_imax
) {
1275 if (!phba
->last_eqdelay_time
) {
1276 phba
->last_eqdelay_time
= jiffies
;
1279 time_elapsed
= jiffies
- phba
->last_eqdelay_time
;
1280 phba
->last_eqdelay_time
= jiffies
;
1283 /* Check outstanding IO count */
1284 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1285 if (phba
->nvmet_support
) {
1286 tgtp
= phba
->targetport
->private;
1287 /* Calculate outstanding IOs */
1288 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_drop
);
1289 tot
+= atomic_read(&tgtp
->xmt_fcp_release
);
1290 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_in
) - tot
;
1292 tot
= atomic_read(&phba
->fc4NvmeIoCmpls
);
1293 data1
= atomic_read(
1294 &phba
->fc4NvmeInputRequests
);
1295 data2
= atomic_read(
1296 &phba
->fc4NvmeOutputRequests
);
1297 data3
= atomic_read(
1298 &phba
->fc4NvmeControlRequests
);
1299 tot
= (data1
+ data2
+ data3
) - tot
;
1303 /* Interrupts per sec per EQ */
1304 val
= phba
->cfg_fcp_imax
/ phba
->io_channel_irqs
;
1305 tick_cqe
= val
/ CONFIG_HZ
; /* Per tick per EQ */
1307 /* Assume 1 CQE/ISR, calc max CQEs allowed for time duration */
1308 max_cqe
= time_elapsed
* tick_cqe
;
1310 for (i
= 0; i
< phba
->io_channel_irqs
; i
++) {
1312 qp
= phba
->sli4_hba
.hba_eq
[i
];
1316 /* Use no EQ delay if we don't have many outstanding
1317 * IOs, or if we are only processing 1 CQE/ISR or less.
1318 * Otherwise, assume we can process up to lpfc_fcp_imax
1319 * interrupts per HBA.
1321 if (tot
< LPFC_NODELAY_MAX_IO
||
1322 qp
->EQ_cqe_cnt
<= max_cqe
)
1325 val
= phba
->cfg_fcp_imax
;
1327 if (phba
->sli
.sli_flag
& LPFC_SLI_USE_EQDR
) {
1328 /* Use EQ Delay Register method */
1330 /* Convert for EQ Delay register */
1332 /* First, interrupts per sec per EQ */
1333 val
= phba
->cfg_fcp_imax
/
1334 phba
->io_channel_irqs
;
1336 /* us delay between each interrupt */
1337 val
= LPFC_SEC_TO_USEC
/ val
;
1339 if (val
!= qp
->q_mode
) {
1341 bf_set(lpfc_sliport_eqdelay_id
,
1342 ®_data
, qp
->queue_id
);
1343 bf_set(lpfc_sliport_eqdelay_delay
,
1345 writel(reg_data
.word0
, eqdreg
);
1348 /* Use mbox command method */
1349 if (val
!= qp
->q_mode
)
1350 lpfc_modify_hba_eq_delay(phba
, i
,
1355 * val is cfg_fcp_imax or 0 for mbox delay or us delay
1356 * between interrupts for EQDR.
1364 spin_lock_irq(&phba
->pport
->work_port_lock
);
1366 if (time_after(phba
->last_completion_time
+
1367 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1369 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1370 if (!phba
->hb_outstanding
)
1371 mod_timer(&phba
->hb_tmofunc
,
1373 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1375 mod_timer(&phba
->hb_tmofunc
,
1377 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1380 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1382 if (phba
->elsbuf_cnt
&&
1383 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1384 spin_lock_irq(&phba
->hbalock
);
1385 list_splice_init(&phba
->elsbuf
, &completions
);
1386 phba
->elsbuf_cnt
= 0;
1387 phba
->elsbuf_prev_cnt
= 0;
1388 spin_unlock_irq(&phba
->hbalock
);
1390 while (!list_empty(&completions
)) {
1391 list_remove_head(&completions
, buf_ptr
,
1392 struct lpfc_dmabuf
, list
);
1393 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1397 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1399 /* If there is no heart beat outstanding, issue a heartbeat command */
1400 if (phba
->cfg_enable_hba_heartbeat
) {
1401 if (!phba
->hb_outstanding
) {
1402 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1403 (list_empty(&psli
->mboxq
))) {
1404 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1407 mod_timer(&phba
->hb_tmofunc
,
1409 msecs_to_jiffies(1000 *
1410 LPFC_HB_MBOX_INTERVAL
));
1414 lpfc_heart_beat(phba
, pmboxq
);
1415 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1416 pmboxq
->vport
= phba
->pport
;
1417 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1420 if (retval
!= MBX_BUSY
&&
1421 retval
!= MBX_SUCCESS
) {
1422 mempool_free(pmboxq
,
1423 phba
->mbox_mem_pool
);
1424 mod_timer(&phba
->hb_tmofunc
,
1426 msecs_to_jiffies(1000 *
1427 LPFC_HB_MBOX_INTERVAL
));
1430 phba
->skipped_hb
= 0;
1431 phba
->hb_outstanding
= 1;
1432 } else if (time_before_eq(phba
->last_completion_time
,
1433 phba
->skipped_hb
)) {
1434 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1435 "2857 Last completion time not "
1436 " updated in %d ms\n",
1437 jiffies_to_msecs(jiffies
1438 - phba
->last_completion_time
));
1440 phba
->skipped_hb
= jiffies
;
1442 mod_timer(&phba
->hb_tmofunc
,
1444 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1448 * If heart beat timeout called with hb_outstanding set
1449 * we need to give the hb mailbox cmd a chance to
1452 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1453 "0459 Adapter heartbeat still out"
1454 "standing:last compl time was %d ms.\n",
1455 jiffies_to_msecs(jiffies
1456 - phba
->last_completion_time
));
1457 mod_timer(&phba
->hb_tmofunc
,
1459 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1462 mod_timer(&phba
->hb_tmofunc
,
1464 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1469 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1470 * @phba: pointer to lpfc hba data structure.
1472 * This routine is called to bring the HBA offline when HBA hardware error
1473 * other than Port Error 6 has been detected.
1476 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1478 struct lpfc_sli
*psli
= &phba
->sli
;
1480 spin_lock_irq(&phba
->hbalock
);
1481 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1482 spin_unlock_irq(&phba
->hbalock
);
1483 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1486 lpfc_reset_barrier(phba
);
1487 spin_lock_irq(&phba
->hbalock
);
1488 lpfc_sli_brdreset(phba
);
1489 spin_unlock_irq(&phba
->hbalock
);
1490 lpfc_hba_down_post(phba
);
1491 lpfc_sli_brdready(phba
, HS_MBRDY
);
1492 lpfc_unblock_mgmt_io(phba
);
1493 phba
->link_state
= LPFC_HBA_ERROR
;
1498 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1499 * @phba: pointer to lpfc hba data structure.
1501 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1502 * other than Port Error 6 has been detected.
1505 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1507 spin_lock_irq(&phba
->hbalock
);
1508 phba
->link_state
= LPFC_HBA_ERROR
;
1509 spin_unlock_irq(&phba
->hbalock
);
1511 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1513 lpfc_hba_down_post(phba
);
1514 lpfc_unblock_mgmt_io(phba
);
1518 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1519 * @phba: pointer to lpfc hba data structure.
1521 * This routine is invoked to handle the deferred HBA hardware error
1522 * conditions. This type of error is indicated by HBA by setting ER1
1523 * and another ER bit in the host status register. The driver will
1524 * wait until the ER1 bit clears before handling the error condition.
1527 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1529 uint32_t old_host_status
= phba
->work_hs
;
1530 struct lpfc_sli
*psli
= &phba
->sli
;
1532 /* If the pci channel is offline, ignore possible errors,
1533 * since we cannot communicate with the pci card anyway.
1535 if (pci_channel_offline(phba
->pcidev
)) {
1536 spin_lock_irq(&phba
->hbalock
);
1537 phba
->hba_flag
&= ~DEFER_ERATT
;
1538 spin_unlock_irq(&phba
->hbalock
);
1542 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1543 "0479 Deferred Adapter Hardware Error "
1544 "Data: x%x x%x x%x\n",
1546 phba
->work_status
[0], phba
->work_status
[1]);
1548 spin_lock_irq(&phba
->hbalock
);
1549 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1550 spin_unlock_irq(&phba
->hbalock
);
1554 * Firmware stops when it triggred erratt. That could cause the I/Os
1555 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1556 * SCSI layer retry it after re-establishing link.
1558 lpfc_sli_abort_fcp_rings(phba
);
1561 * There was a firmware error. Take the hba offline and then
1562 * attempt to restart it.
1564 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1567 /* Wait for the ER1 bit to clear.*/
1568 while (phba
->work_hs
& HS_FFER1
) {
1570 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1571 phba
->work_hs
= UNPLUG_ERR
;
1574 /* If driver is unloading let the worker thread continue */
1575 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1582 * This is to ptrotect against a race condition in which
1583 * first write to the host attention register clear the
1584 * host status register.
1586 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1587 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1589 spin_lock_irq(&phba
->hbalock
);
1590 phba
->hba_flag
&= ~DEFER_ERATT
;
1591 spin_unlock_irq(&phba
->hbalock
);
1592 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1593 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1597 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1599 struct lpfc_board_event_header board_event
;
1600 struct Scsi_Host
*shost
;
1602 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1603 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1604 shost
= lpfc_shost_from_vport(phba
->pport
);
1605 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1606 sizeof(board_event
),
1607 (char *) &board_event
,
1612 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1613 * @phba: pointer to lpfc hba data structure.
1615 * This routine is invoked to handle the following HBA hardware error
1617 * 1 - HBA error attention interrupt
1618 * 2 - DMA ring index out of range
1619 * 3 - Mailbox command came back as unknown
1622 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1624 struct lpfc_vport
*vport
= phba
->pport
;
1625 struct lpfc_sli
*psli
= &phba
->sli
;
1626 uint32_t event_data
;
1627 unsigned long temperature
;
1628 struct temp_event temp_event_data
;
1629 struct Scsi_Host
*shost
;
1631 /* If the pci channel is offline, ignore possible errors,
1632 * since we cannot communicate with the pci card anyway.
1634 if (pci_channel_offline(phba
->pcidev
)) {
1635 spin_lock_irq(&phba
->hbalock
);
1636 phba
->hba_flag
&= ~DEFER_ERATT
;
1637 spin_unlock_irq(&phba
->hbalock
);
1641 /* If resets are disabled then leave the HBA alone and return */
1642 if (!phba
->cfg_enable_hba_reset
)
1645 /* Send an internal error event to mgmt application */
1646 lpfc_board_errevt_to_mgmt(phba
);
1648 if (phba
->hba_flag
& DEFER_ERATT
)
1649 lpfc_handle_deferred_eratt(phba
);
1651 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1652 if (phba
->work_hs
& HS_FFER6
)
1653 /* Re-establishing Link */
1654 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1655 "1301 Re-establishing Link "
1656 "Data: x%x x%x x%x\n",
1657 phba
->work_hs
, phba
->work_status
[0],
1658 phba
->work_status
[1]);
1659 if (phba
->work_hs
& HS_FFER8
)
1660 /* Device Zeroization */
1661 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1662 "2861 Host Authentication device "
1663 "zeroization Data:x%x x%x x%x\n",
1664 phba
->work_hs
, phba
->work_status
[0],
1665 phba
->work_status
[1]);
1667 spin_lock_irq(&phba
->hbalock
);
1668 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1669 spin_unlock_irq(&phba
->hbalock
);
1672 * Firmware stops when it triggled erratt with HS_FFER6.
1673 * That could cause the I/Os dropped by the firmware.
1674 * Error iocb (I/O) on txcmplq and let the SCSI layer
1675 * retry it after re-establishing link.
1677 lpfc_sli_abort_fcp_rings(phba
);
1680 * There was a firmware error. Take the hba offline and then
1681 * attempt to restart it.
1683 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1685 lpfc_sli_brdrestart(phba
);
1686 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1687 lpfc_unblock_mgmt_io(phba
);
1690 lpfc_unblock_mgmt_io(phba
);
1691 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1692 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1693 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1694 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1695 temp_event_data
.data
= (uint32_t)temperature
;
1697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1698 "0406 Adapter maximum temperature exceeded "
1699 "(%ld), taking this port offline "
1700 "Data: x%x x%x x%x\n",
1701 temperature
, phba
->work_hs
,
1702 phba
->work_status
[0], phba
->work_status
[1]);
1704 shost
= lpfc_shost_from_vport(phba
->pport
);
1705 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1706 sizeof(temp_event_data
),
1707 (char *) &temp_event_data
,
1708 SCSI_NL_VID_TYPE_PCI
1709 | PCI_VENDOR_ID_EMULEX
);
1711 spin_lock_irq(&phba
->hbalock
);
1712 phba
->over_temp_state
= HBA_OVER_TEMP
;
1713 spin_unlock_irq(&phba
->hbalock
);
1714 lpfc_offline_eratt(phba
);
1717 /* The if clause above forces this code path when the status
1718 * failure is a value other than FFER6. Do not call the offline
1719 * twice. This is the adapter hardware error path.
1721 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1722 "0457 Adapter Hardware Error "
1723 "Data: x%x x%x x%x\n",
1725 phba
->work_status
[0], phba
->work_status
[1]);
1727 event_data
= FC_REG_DUMP_EVENT
;
1728 shost
= lpfc_shost_from_vport(vport
);
1729 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1730 sizeof(event_data
), (char *) &event_data
,
1731 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1733 lpfc_offline_eratt(phba
);
1739 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1740 * @phba: pointer to lpfc hba data structure.
1741 * @mbx_action: flag for mailbox shutdown action.
1743 * This routine is invoked to perform an SLI4 port PCI function reset in
1744 * response to port status register polling attention. It waits for port
1745 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1746 * During this process, interrupt vectors are freed and later requested
1747 * for handling possible port resource change.
1750 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1756 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
1757 LPFC_SLI_INTF_IF_TYPE_2
) {
1759 * On error status condition, driver need to wait for port
1760 * ready before performing reset.
1762 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1767 /* need reset: attempt for port recovery */
1769 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1770 "2887 Reset Needed: Attempting Port "
1772 lpfc_offline_prep(phba
, mbx_action
);
1774 /* release interrupt for possible resource change */
1775 lpfc_sli4_disable_intr(phba
);
1776 lpfc_sli_brdrestart(phba
);
1777 /* request and enable interrupt */
1778 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1779 if (intr_mode
== LPFC_INTR_ERROR
) {
1780 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1781 "3175 Failed to enable interrupt\n");
1784 phba
->intr_mode
= intr_mode
;
1785 rc
= lpfc_online(phba
);
1787 lpfc_unblock_mgmt_io(phba
);
1793 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1794 * @phba: pointer to lpfc hba data structure.
1796 * This routine is invoked to handle the SLI4 HBA hardware error attention
1800 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1802 struct lpfc_vport
*vport
= phba
->pport
;
1803 uint32_t event_data
;
1804 struct Scsi_Host
*shost
;
1806 struct lpfc_register portstat_reg
= {0};
1807 uint32_t reg_err1
, reg_err2
;
1808 uint32_t uerrlo_reg
, uemasklo_reg
;
1809 uint32_t smphr_port_status
= 0, pci_rd_rc1
, pci_rd_rc2
;
1810 bool en_rn_msg
= true;
1811 struct temp_event temp_event_data
;
1812 struct lpfc_register portsmphr_reg
;
1815 /* If the pci channel is offline, ignore possible errors, since
1816 * we cannot communicate with the pci card anyway.
1818 if (pci_channel_offline(phba
->pcidev
))
1821 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
1822 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1824 case LPFC_SLI_INTF_IF_TYPE_0
:
1825 pci_rd_rc1
= lpfc_readl(
1826 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1828 pci_rd_rc2
= lpfc_readl(
1829 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1831 /* consider PCI bus read error as pci_channel_offline */
1832 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1834 if (!(phba
->hba_flag
& HBA_RECOVERABLE_UE
)) {
1835 lpfc_sli4_offline_eratt(phba
);
1838 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1839 "7623 Checking UE recoverable");
1841 for (i
= 0; i
< phba
->sli4_hba
.ue_to_sr
/ 1000; i
++) {
1842 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1843 &portsmphr_reg
.word0
))
1846 smphr_port_status
= bf_get(lpfc_port_smphr_port_status
,
1848 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1849 LPFC_PORT_SEM_UE_RECOVERABLE
)
1851 /*Sleep for 1Sec, before checking SEMAPHORE */
1855 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1856 "4827 smphr_port_status x%x : Waited %dSec",
1857 smphr_port_status
, i
);
1859 /* Recoverable UE, reset the HBA device */
1860 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1861 LPFC_PORT_SEM_UE_RECOVERABLE
) {
1862 for (i
= 0; i
< 20; i
++) {
1864 if (!lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1865 &portsmphr_reg
.word0
) &&
1866 (LPFC_POST_STAGE_PORT_READY
==
1867 bf_get(lpfc_port_smphr_port_status
,
1869 rc
= lpfc_sli4_port_sta_fn_reset(phba
,
1870 LPFC_MBX_NO_WAIT
, en_rn_msg
);
1873 lpfc_printf_log(phba
,
1875 "4215 Failed to recover UE");
1880 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1881 "7624 Firmware not ready: Failing UE recovery,"
1882 " waited %dSec", i
);
1883 lpfc_sli4_offline_eratt(phba
);
1886 case LPFC_SLI_INTF_IF_TYPE_2
:
1887 pci_rd_rc1
= lpfc_readl(
1888 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1889 &portstat_reg
.word0
);
1890 /* consider PCI bus read error as pci_channel_offline */
1891 if (pci_rd_rc1
== -EIO
) {
1892 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1893 "3151 PCI bus read access failure: x%x\n",
1894 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1897 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1898 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1899 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1900 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1901 "2889 Port Overtemperature event, "
1902 "taking port offline Data: x%x x%x\n",
1903 reg_err1
, reg_err2
);
1905 phba
->sfp_alarm
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
1906 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1907 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1908 temp_event_data
.data
= 0xFFFFFFFF;
1910 shost
= lpfc_shost_from_vport(phba
->pport
);
1911 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1912 sizeof(temp_event_data
),
1913 (char *)&temp_event_data
,
1914 SCSI_NL_VID_TYPE_PCI
1915 | PCI_VENDOR_ID_EMULEX
);
1917 spin_lock_irq(&phba
->hbalock
);
1918 phba
->over_temp_state
= HBA_OVER_TEMP
;
1919 spin_unlock_irq(&phba
->hbalock
);
1920 lpfc_sli4_offline_eratt(phba
);
1923 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1924 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1925 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1926 "3143 Port Down: Firmware Update "
1929 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1930 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1931 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1932 "3144 Port Down: Debug Dump\n");
1933 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1934 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1935 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1936 "3145 Port Down: Provisioning\n");
1938 /* If resets are disabled then leave the HBA alone and return */
1939 if (!phba
->cfg_enable_hba_reset
)
1942 /* Check port status register for function reset */
1943 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1946 /* don't report event on forced debug dump */
1947 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1948 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1953 /* fall through for not able to recover */
1954 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1955 "3152 Unrecoverable error, bring the port "
1957 lpfc_sli4_offline_eratt(phba
);
1959 case LPFC_SLI_INTF_IF_TYPE_1
:
1963 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1964 "3123 Report dump event to upper layer\n");
1965 /* Send an internal error event to mgmt application */
1966 lpfc_board_errevt_to_mgmt(phba
);
1968 event_data
= FC_REG_DUMP_EVENT
;
1969 shost
= lpfc_shost_from_vport(vport
);
1970 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1971 sizeof(event_data
), (char *) &event_data
,
1972 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1976 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1977 * @phba: pointer to lpfc HBA data structure.
1979 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1980 * routine from the API jump table function pointer from the lpfc_hba struct.
1984 * Any other value - error.
1987 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1989 (*phba
->lpfc_handle_eratt
)(phba
);
1993 * lpfc_handle_latt - The HBA link event handler
1994 * @phba: pointer to lpfc hba data structure.
1996 * This routine is invoked from the worker thread to handle a HBA host
1997 * attention link event. SLI3 only.
2000 lpfc_handle_latt(struct lpfc_hba
*phba
)
2002 struct lpfc_vport
*vport
= phba
->pport
;
2003 struct lpfc_sli
*psli
= &phba
->sli
;
2005 volatile uint32_t control
;
2006 struct lpfc_dmabuf
*mp
;
2009 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2012 goto lpfc_handle_latt_err_exit
;
2015 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2018 goto lpfc_handle_latt_free_pmb
;
2021 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2024 goto lpfc_handle_latt_free_mp
;
2027 /* Cleanup any outstanding ELS commands */
2028 lpfc_els_flush_all_cmd(phba
);
2030 psli
->slistat
.link_event
++;
2031 lpfc_read_topology(phba
, pmb
, mp
);
2032 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
2034 /* Block ELS IOCBs until we have processed this mbox command */
2035 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2036 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
2037 if (rc
== MBX_NOT_FINISHED
) {
2039 goto lpfc_handle_latt_free_mbuf
;
2042 /* Clear Link Attention in HA REG */
2043 spin_lock_irq(&phba
->hbalock
);
2044 writel(HA_LATT
, phba
->HAregaddr
);
2045 readl(phba
->HAregaddr
); /* flush */
2046 spin_unlock_irq(&phba
->hbalock
);
2050 lpfc_handle_latt_free_mbuf
:
2051 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2052 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2053 lpfc_handle_latt_free_mp
:
2055 lpfc_handle_latt_free_pmb
:
2056 mempool_free(pmb
, phba
->mbox_mem_pool
);
2057 lpfc_handle_latt_err_exit
:
2058 /* Enable Link attention interrupts */
2059 spin_lock_irq(&phba
->hbalock
);
2060 psli
->sli_flag
|= LPFC_PROCESS_LA
;
2061 control
= readl(phba
->HCregaddr
);
2062 control
|= HC_LAINT_ENA
;
2063 writel(control
, phba
->HCregaddr
);
2064 readl(phba
->HCregaddr
); /* flush */
2066 /* Clear Link Attention in HA REG */
2067 writel(HA_LATT
, phba
->HAregaddr
);
2068 readl(phba
->HAregaddr
); /* flush */
2069 spin_unlock_irq(&phba
->hbalock
);
2070 lpfc_linkdown(phba
);
2071 phba
->link_state
= LPFC_HBA_ERROR
;
2073 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
2074 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
2080 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
2081 * @phba: pointer to lpfc hba data structure.
2082 * @vpd: pointer to the vital product data.
2083 * @len: length of the vital product data in bytes.
2085 * This routine parses the Vital Product Data (VPD). The VPD is treated as
2086 * an array of characters. In this routine, the ModelName, ProgramType, and
2087 * ModelDesc, etc. fields of the phba data structure will be populated.
2090 * 0 - pointer to the VPD passed in is NULL
2094 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
2096 uint8_t lenlo
, lenhi
;
2106 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2107 "0455 Vital Product Data: x%x x%x x%x x%x\n",
2108 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
2110 while (!finished
&& (index
< (len
- 4))) {
2111 switch (vpd
[index
]) {
2119 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2128 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2129 if (Length
> len
- index
)
2130 Length
= len
- index
;
2131 while (Length
> 0) {
2132 /* Look for Serial Number */
2133 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
2140 phba
->SerialNumber
[j
++] = vpd
[index
++];
2144 phba
->SerialNumber
[j
] = 0;
2147 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
2148 phba
->vpd_flag
|= VPD_MODEL_DESC
;
2155 phba
->ModelDesc
[j
++] = vpd
[index
++];
2159 phba
->ModelDesc
[j
] = 0;
2162 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
2163 phba
->vpd_flag
|= VPD_MODEL_NAME
;
2170 phba
->ModelName
[j
++] = vpd
[index
++];
2174 phba
->ModelName
[j
] = 0;
2177 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
2178 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
2185 phba
->ProgramType
[j
++] = vpd
[index
++];
2189 phba
->ProgramType
[j
] = 0;
2192 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
2193 phba
->vpd_flag
|= VPD_PORT
;
2200 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
2201 (phba
->sli4_hba
.pport_name_sta
==
2202 LPFC_SLI4_PPNAME_GET
)) {
2206 phba
->Port
[j
++] = vpd
[index
++];
2210 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
2211 (phba
->sli4_hba
.pport_name_sta
==
2212 LPFC_SLI4_PPNAME_NON
))
2239 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2240 * @phba: pointer to lpfc hba data structure.
2241 * @mdp: pointer to the data structure to hold the derived model name.
2242 * @descp: pointer to the data structure to hold the derived description.
2244 * This routine retrieves HBA's description based on its registered PCI device
2245 * ID. The @descp passed into this function points to an array of 256 chars. It
2246 * shall be returned with the model name, maximum speed, and the host bus type.
2247 * The @mdp passed into this function points to an array of 80 chars. When the
2248 * function returns, the @mdp will be filled with the model name.
2251 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2254 uint16_t dev_id
= phba
->pcidev
->device
;
2257 int oneConnect
= 0; /* default is not a oneConnect */
2262 } m
= {"<Unknown>", "", ""};
2264 if (mdp
&& mdp
[0] != '\0'
2265 && descp
&& descp
[0] != '\0')
2268 if (phba
->lmt
& LMT_32Gb
)
2270 else if (phba
->lmt
& LMT_16Gb
)
2272 else if (phba
->lmt
& LMT_10Gb
)
2274 else if (phba
->lmt
& LMT_8Gb
)
2276 else if (phba
->lmt
& LMT_4Gb
)
2278 else if (phba
->lmt
& LMT_2Gb
)
2280 else if (phba
->lmt
& LMT_1Gb
)
2288 case PCI_DEVICE_ID_FIREFLY
:
2289 m
= (typeof(m
)){"LP6000", "PCI",
2290 "Obsolete, Unsupported Fibre Channel Adapter"};
2292 case PCI_DEVICE_ID_SUPERFLY
:
2293 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2294 m
= (typeof(m
)){"LP7000", "PCI", ""};
2296 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2297 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2299 case PCI_DEVICE_ID_DRAGONFLY
:
2300 m
= (typeof(m
)){"LP8000", "PCI",
2301 "Obsolete, Unsupported Fibre Channel Adapter"};
2303 case PCI_DEVICE_ID_CENTAUR
:
2304 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2305 m
= (typeof(m
)){"LP9002", "PCI", ""};
2307 m
= (typeof(m
)){"LP9000", "PCI", ""};
2308 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2310 case PCI_DEVICE_ID_RFLY
:
2311 m
= (typeof(m
)){"LP952", "PCI",
2312 "Obsolete, Unsupported Fibre Channel Adapter"};
2314 case PCI_DEVICE_ID_PEGASUS
:
2315 m
= (typeof(m
)){"LP9802", "PCI-X",
2316 "Obsolete, Unsupported Fibre Channel Adapter"};
2318 case PCI_DEVICE_ID_THOR
:
2319 m
= (typeof(m
)){"LP10000", "PCI-X",
2320 "Obsolete, Unsupported Fibre Channel Adapter"};
2322 case PCI_DEVICE_ID_VIPER
:
2323 m
= (typeof(m
)){"LPX1000", "PCI-X",
2324 "Obsolete, Unsupported Fibre Channel Adapter"};
2326 case PCI_DEVICE_ID_PFLY
:
2327 m
= (typeof(m
)){"LP982", "PCI-X",
2328 "Obsolete, Unsupported Fibre Channel Adapter"};
2330 case PCI_DEVICE_ID_TFLY
:
2331 m
= (typeof(m
)){"LP1050", "PCI-X",
2332 "Obsolete, Unsupported Fibre Channel Adapter"};
2334 case PCI_DEVICE_ID_HELIOS
:
2335 m
= (typeof(m
)){"LP11000", "PCI-X2",
2336 "Obsolete, Unsupported Fibre Channel Adapter"};
2338 case PCI_DEVICE_ID_HELIOS_SCSP
:
2339 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2340 "Obsolete, Unsupported Fibre Channel Adapter"};
2342 case PCI_DEVICE_ID_HELIOS_DCSP
:
2343 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2344 "Obsolete, Unsupported Fibre Channel Adapter"};
2346 case PCI_DEVICE_ID_NEPTUNE
:
2347 m
= (typeof(m
)){"LPe1000", "PCIe",
2348 "Obsolete, Unsupported Fibre Channel Adapter"};
2350 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2351 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2352 "Obsolete, Unsupported Fibre Channel Adapter"};
2354 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2355 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2356 "Obsolete, Unsupported Fibre Channel Adapter"};
2358 case PCI_DEVICE_ID_BMID
:
2359 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2361 case PCI_DEVICE_ID_BSMB
:
2362 m
= (typeof(m
)){"LP111", "PCI-X2",
2363 "Obsolete, Unsupported Fibre Channel Adapter"};
2365 case PCI_DEVICE_ID_ZEPHYR
:
2366 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2368 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2369 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2371 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2372 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2375 case PCI_DEVICE_ID_ZMID
:
2376 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2378 case PCI_DEVICE_ID_ZSMB
:
2379 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2381 case PCI_DEVICE_ID_LP101
:
2382 m
= (typeof(m
)){"LP101", "PCI-X",
2383 "Obsolete, Unsupported Fibre Channel Adapter"};
2385 case PCI_DEVICE_ID_LP10000S
:
2386 m
= (typeof(m
)){"LP10000-S", "PCI",
2387 "Obsolete, Unsupported Fibre Channel Adapter"};
2389 case PCI_DEVICE_ID_LP11000S
:
2390 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2391 "Obsolete, Unsupported Fibre Channel Adapter"};
2393 case PCI_DEVICE_ID_LPE11000S
:
2394 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2395 "Obsolete, Unsupported Fibre Channel Adapter"};
2397 case PCI_DEVICE_ID_SAT
:
2398 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2400 case PCI_DEVICE_ID_SAT_MID
:
2401 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2403 case PCI_DEVICE_ID_SAT_SMB
:
2404 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2406 case PCI_DEVICE_ID_SAT_DCSP
:
2407 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2409 case PCI_DEVICE_ID_SAT_SCSP
:
2410 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2412 case PCI_DEVICE_ID_SAT_S
:
2413 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2415 case PCI_DEVICE_ID_HORNET
:
2416 m
= (typeof(m
)){"LP21000", "PCIe",
2417 "Obsolete, Unsupported FCoE Adapter"};
2420 case PCI_DEVICE_ID_PROTEUS_VF
:
2421 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2422 "Obsolete, Unsupported Fibre Channel Adapter"};
2424 case PCI_DEVICE_ID_PROTEUS_PF
:
2425 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2426 "Obsolete, Unsupported Fibre Channel Adapter"};
2428 case PCI_DEVICE_ID_PROTEUS_S
:
2429 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2430 "Obsolete, Unsupported Fibre Channel Adapter"};
2432 case PCI_DEVICE_ID_TIGERSHARK
:
2434 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2436 case PCI_DEVICE_ID_TOMCAT
:
2438 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2440 case PCI_DEVICE_ID_FALCON
:
2441 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2442 "EmulexSecure Fibre"};
2444 case PCI_DEVICE_ID_BALIUS
:
2445 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2446 "Obsolete, Unsupported Fibre Channel Adapter"};
2448 case PCI_DEVICE_ID_LANCER_FC
:
2449 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2451 case PCI_DEVICE_ID_LANCER_FC_VF
:
2452 m
= (typeof(m
)){"LPe16000", "PCIe",
2453 "Obsolete, Unsupported Fibre Channel Adapter"};
2455 case PCI_DEVICE_ID_LANCER_FCOE
:
2457 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2459 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2461 m
= (typeof(m
)){"OCe15100", "PCIe",
2462 "Obsolete, Unsupported FCoE"};
2464 case PCI_DEVICE_ID_LANCER_G6_FC
:
2465 m
= (typeof(m
)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2467 case PCI_DEVICE_ID_SKYHAWK
:
2468 case PCI_DEVICE_ID_SKYHAWK_VF
:
2470 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2473 m
= (typeof(m
)){"Unknown", "", ""};
2477 if (mdp
&& mdp
[0] == '\0')
2478 snprintf(mdp
, 79,"%s", m
.name
);
2480 * oneConnect hba requires special processing, they are all initiators
2481 * and we put the port number on the end
2483 if (descp
&& descp
[0] == '\0') {
2485 snprintf(descp
, 255,
2486 "Emulex OneConnect %s, %s Initiator %s",
2489 else if (max_speed
== 0)
2490 snprintf(descp
, 255,
2492 m
.name
, m
.bus
, m
.function
);
2494 snprintf(descp
, 255,
2495 "Emulex %s %d%s %s %s",
2496 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2502 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2503 * @phba: pointer to lpfc hba data structure.
2504 * @pring: pointer to a IOCB ring.
2505 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2507 * This routine posts a given number of IOCBs with the associated DMA buffer
2508 * descriptors specified by the cnt argument to the given IOCB ring.
2511 * The number of IOCBs NOT able to be posted to the IOCB ring.
2514 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2517 struct lpfc_iocbq
*iocb
;
2518 struct lpfc_dmabuf
*mp1
, *mp2
;
2520 cnt
+= pring
->missbufcnt
;
2522 /* While there are buffers to post */
2524 /* Allocate buffer for command iocb */
2525 iocb
= lpfc_sli_get_iocbq(phba
);
2527 pring
->missbufcnt
= cnt
;
2532 /* 2 buffers can be posted per command */
2533 /* Allocate buffer to post */
2534 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2536 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2537 if (!mp1
|| !mp1
->virt
) {
2539 lpfc_sli_release_iocbq(phba
, iocb
);
2540 pring
->missbufcnt
= cnt
;
2544 INIT_LIST_HEAD(&mp1
->list
);
2545 /* Allocate buffer to post */
2547 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2549 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2551 if (!mp2
|| !mp2
->virt
) {
2553 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2555 lpfc_sli_release_iocbq(phba
, iocb
);
2556 pring
->missbufcnt
= cnt
;
2560 INIT_LIST_HEAD(&mp2
->list
);
2565 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2566 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2567 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2568 icmd
->ulpBdeCount
= 1;
2571 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2572 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2573 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2575 icmd
->ulpBdeCount
= 2;
2578 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2581 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2583 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2587 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2591 lpfc_sli_release_iocbq(phba
, iocb
);
2592 pring
->missbufcnt
= cnt
;
2595 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2597 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2599 pring
->missbufcnt
= 0;
2604 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2605 * @phba: pointer to lpfc hba data structure.
2607 * This routine posts initial receive IOCB buffers to the ELS ring. The
2608 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2609 * set to 64 IOCBs. SLI3 only.
2612 * 0 - success (currently always success)
2615 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2617 struct lpfc_sli
*psli
= &phba
->sli
;
2619 /* Ring 0, ELS / CT buffers */
2620 lpfc_post_buffer(phba
, &psli
->sli3_ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2621 /* Ring 2 - FCP no buffers needed */
2626 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2629 * lpfc_sha_init - Set up initial array of hash table entries
2630 * @HashResultPointer: pointer to an array as hash table.
2632 * This routine sets up the initial values to the array of hash table entries
2636 lpfc_sha_init(uint32_t * HashResultPointer
)
2638 HashResultPointer
[0] = 0x67452301;
2639 HashResultPointer
[1] = 0xEFCDAB89;
2640 HashResultPointer
[2] = 0x98BADCFE;
2641 HashResultPointer
[3] = 0x10325476;
2642 HashResultPointer
[4] = 0xC3D2E1F0;
2646 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2647 * @HashResultPointer: pointer to an initial/result hash table.
2648 * @HashWorkingPointer: pointer to an working hash table.
2650 * This routine iterates an initial hash table pointed by @HashResultPointer
2651 * with the values from the working hash table pointeed by @HashWorkingPointer.
2652 * The results are putting back to the initial hash table, returned through
2653 * the @HashResultPointer as the result hash table.
2656 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2660 uint32_t A
, B
, C
, D
, E
;
2663 HashWorkingPointer
[t
] =
2665 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2667 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2668 } while (++t
<= 79);
2670 A
= HashResultPointer
[0];
2671 B
= HashResultPointer
[1];
2672 C
= HashResultPointer
[2];
2673 D
= HashResultPointer
[3];
2674 E
= HashResultPointer
[4];
2678 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2679 } else if (t
< 40) {
2680 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2681 } else if (t
< 60) {
2682 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2684 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2686 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2692 } while (++t
<= 79);
2694 HashResultPointer
[0] += A
;
2695 HashResultPointer
[1] += B
;
2696 HashResultPointer
[2] += C
;
2697 HashResultPointer
[3] += D
;
2698 HashResultPointer
[4] += E
;
2703 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2704 * @RandomChallenge: pointer to the entry of host challenge random number array.
2705 * @HashWorking: pointer to the entry of the working hash array.
2707 * This routine calculates the working hash array referred by @HashWorking
2708 * from the challenge random numbers associated with the host, referred by
2709 * @RandomChallenge. The result is put into the entry of the working hash
2710 * array and returned by reference through @HashWorking.
2713 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2715 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2719 * lpfc_hba_init - Perform special handling for LC HBA initialization
2720 * @phba: pointer to lpfc hba data structure.
2721 * @hbainit: pointer to an array of unsigned 32-bit integers.
2723 * This routine performs the special handling for LC HBA initialization.
2726 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2729 uint32_t *HashWorking
;
2730 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2732 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2736 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2737 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2739 for (t
= 0; t
< 7; t
++)
2740 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2742 lpfc_sha_init(hbainit
);
2743 lpfc_sha_iterate(hbainit
, HashWorking
);
2748 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2749 * @vport: pointer to a virtual N_Port data structure.
2751 * This routine performs the necessary cleanups before deleting the @vport.
2752 * It invokes the discovery state machine to perform necessary state
2753 * transitions and to release the ndlps associated with the @vport. Note,
2754 * the physical port is treated as @vport 0.
2757 lpfc_cleanup(struct lpfc_vport
*vport
)
2759 struct lpfc_hba
*phba
= vport
->phba
;
2760 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2763 if (phba
->link_state
> LPFC_LINK_DOWN
)
2764 lpfc_port_link_failure(vport
);
2766 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2767 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2768 ndlp
= lpfc_enable_node(vport
, ndlp
,
2769 NLP_STE_UNUSED_NODE
);
2772 spin_lock_irq(&phba
->ndlp_lock
);
2773 NLP_SET_FREE_REQ(ndlp
);
2774 spin_unlock_irq(&phba
->ndlp_lock
);
2775 /* Trigger the release of the ndlp memory */
2779 spin_lock_irq(&phba
->ndlp_lock
);
2780 if (NLP_CHK_FREE_REQ(ndlp
)) {
2781 /* The ndlp should not be in memory free mode already */
2782 spin_unlock_irq(&phba
->ndlp_lock
);
2785 /* Indicate request for freeing ndlp memory */
2786 NLP_SET_FREE_REQ(ndlp
);
2787 spin_unlock_irq(&phba
->ndlp_lock
);
2789 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2790 ndlp
->nlp_DID
== Fabric_DID
) {
2791 /* Just free up ndlp with Fabric_DID for vports */
2796 /* take care of nodes in unused state before the state
2797 * machine taking action.
2799 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2804 if (ndlp
->nlp_type
& NLP_FABRIC
)
2805 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2806 NLP_EVT_DEVICE_RECOVERY
);
2808 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2812 /* At this point, ALL ndlp's should be gone
2813 * because of the previous NLP_EVT_DEVICE_RM.
2814 * Lets wait for this to happen, if needed.
2816 while (!list_empty(&vport
->fc_nodes
)) {
2818 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2819 "0233 Nodelist not empty\n");
2820 list_for_each_entry_safe(ndlp
, next_ndlp
,
2821 &vport
->fc_nodes
, nlp_listp
) {
2822 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2824 "0282 did:x%x ndlp:x%p "
2825 "usgmap:x%x refcnt:%d\n",
2826 ndlp
->nlp_DID
, (void *)ndlp
,
2828 kref_read(&ndlp
->kref
));
2833 /* Wait for any activity on ndlps to settle */
2836 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2840 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2841 * @vport: pointer to a virtual N_Port data structure.
2843 * This routine stops all the timers associated with a @vport. This function
2844 * is invoked before disabling or deleting a @vport. Note that the physical
2845 * port is treated as @vport 0.
2848 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2850 del_timer_sync(&vport
->els_tmofunc
);
2851 del_timer_sync(&vport
->delayed_disc_tmo
);
2852 lpfc_can_disctmo(vport
);
2857 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2858 * @phba: pointer to lpfc hba data structure.
2860 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2861 * caller of this routine should already hold the host lock.
2864 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2866 /* Clear pending FCF rediscovery wait flag */
2867 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2869 /* Now, try to stop the timer */
2870 del_timer(&phba
->fcf
.redisc_wait
);
2874 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2875 * @phba: pointer to lpfc hba data structure.
2877 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2878 * checks whether the FCF rediscovery wait timer is pending with the host
2879 * lock held before proceeding with disabling the timer and clearing the
2880 * wait timer pendig flag.
2883 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2885 spin_lock_irq(&phba
->hbalock
);
2886 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2887 /* FCF rediscovery timer already fired or stopped */
2888 spin_unlock_irq(&phba
->hbalock
);
2891 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2892 /* Clear failover in progress flags */
2893 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2894 spin_unlock_irq(&phba
->hbalock
);
2898 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2899 * @phba: pointer to lpfc hba data structure.
2901 * This routine stops all the timers associated with a HBA. This function is
2902 * invoked before either putting a HBA offline or unloading the driver.
2905 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2907 lpfc_stop_vport_timers(phba
->pport
);
2908 del_timer_sync(&phba
->sli
.mbox_tmo
);
2909 del_timer_sync(&phba
->fabric_block_timer
);
2910 del_timer_sync(&phba
->eratt_poll
);
2911 del_timer_sync(&phba
->hb_tmofunc
);
2912 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2913 del_timer_sync(&phba
->rrq_tmr
);
2914 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2916 phba
->hb_outstanding
= 0;
2918 switch (phba
->pci_dev_grp
) {
2919 case LPFC_PCI_DEV_LP
:
2920 /* Stop any LightPulse device specific driver timers */
2921 del_timer_sync(&phba
->fcp_poll_timer
);
2923 case LPFC_PCI_DEV_OC
:
2924 /* Stop any OneConnect device sepcific driver timers */
2925 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2928 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2929 "0297 Invalid device group (x%x)\n",
2937 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2938 * @phba: pointer to lpfc hba data structure.
2940 * This routine marks a HBA's management interface as blocked. Once the HBA's
2941 * management interface is marked as blocked, all the user space access to
2942 * the HBA, whether they are from sysfs interface or libdfc interface will
2943 * all be blocked. The HBA is set to block the management interface when the
2944 * driver prepares the HBA interface for online or offline.
2947 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2949 unsigned long iflag
;
2950 uint8_t actcmd
= MBX_HEARTBEAT
;
2951 unsigned long timeout
;
2953 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2954 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2955 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2956 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2958 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2959 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2960 if (phba
->sli
.mbox_active
) {
2961 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2962 /* Determine how long we might wait for the active mailbox
2963 * command to be gracefully completed by firmware.
2965 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2966 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2968 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2970 /* Wait for the outstnading mailbox command to complete */
2971 while (phba
->sli
.mbox_active
) {
2972 /* Check active mailbox complete status every 2ms */
2974 if (time_after(jiffies
, timeout
)) {
2975 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2976 "2813 Mgmt IO is Blocked %x "
2977 "- mbox cmd %x still active\n",
2978 phba
->sli
.sli_flag
, actcmd
);
2985 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2986 * @phba: pointer to lpfc hba data structure.
2988 * Allocate RPIs for all active remote nodes. This is needed whenever
2989 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2990 * is to fixup the temporary rpi assignments.
2993 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2995 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2996 struct lpfc_vport
**vports
;
2998 unsigned long flags
;
3000 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
3003 vports
= lpfc_create_vport_work_array(phba
);
3007 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3008 if (vports
[i
]->load_flag
& FC_UNLOADING
)
3011 list_for_each_entry_safe(ndlp
, next_ndlp
,
3012 &vports
[i
]->fc_nodes
,
3014 if (!NLP_CHK_NODE_ACT(ndlp
))
3016 rpi
= lpfc_sli4_alloc_rpi(phba
);
3017 if (rpi
== LPFC_RPI_ALLOC_ERROR
) {
3018 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
3019 NLP_CLR_NODE_ACT(ndlp
);
3020 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
3023 ndlp
->nlp_rpi
= rpi
;
3024 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
3025 "0009 rpi:%x DID:%x "
3026 "flg:%x map:%x %p\n", ndlp
->nlp_rpi
,
3027 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
3028 ndlp
->nlp_usg_map
, ndlp
);
3031 lpfc_destroy_vport_work_array(phba
, vports
);
3035 * lpfc_online - Initialize and bring a HBA online
3036 * @phba: pointer to lpfc hba data structure.
3038 * This routine initializes the HBA and brings a HBA online. During this
3039 * process, the management interface is blocked to prevent user space access
3040 * to the HBA interfering with the driver initialization.
3047 lpfc_online(struct lpfc_hba
*phba
)
3049 struct lpfc_vport
*vport
;
3050 struct lpfc_vport
**vports
;
3052 bool vpis_cleared
= false;
3056 vport
= phba
->pport
;
3058 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
3061 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3062 "0458 Bring Adapter online\n");
3064 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
3066 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3067 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
3068 lpfc_unblock_mgmt_io(phba
);
3071 spin_lock_irq(&phba
->hbalock
);
3072 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
3073 vpis_cleared
= true;
3074 spin_unlock_irq(&phba
->hbalock
);
3076 /* Reestablish the local initiator port.
3077 * The offline process destroyed the previous lport.
3079 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
&&
3080 !phba
->nvmet_support
) {
3081 error
= lpfc_nvme_create_localport(phba
->pport
);
3083 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3084 "6132 NVME restore reg failed "
3085 "on nvmei error x%x\n", error
);
3088 lpfc_sli_queue_init(phba
);
3089 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
3090 lpfc_unblock_mgmt_io(phba
);
3095 vports
= lpfc_create_vport_work_array(phba
);
3096 if (vports
!= NULL
) {
3097 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3098 struct Scsi_Host
*shost
;
3099 shost
= lpfc_shost_from_vport(vports
[i
]);
3100 spin_lock_irq(shost
->host_lock
);
3101 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
3102 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
3103 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3104 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3105 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
3106 if ((vpis_cleared
) &&
3107 (vports
[i
]->port_type
!=
3108 LPFC_PHYSICAL_PORT
))
3111 spin_unlock_irq(shost
->host_lock
);
3114 lpfc_destroy_vport_work_array(phba
, vports
);
3116 lpfc_unblock_mgmt_io(phba
);
3121 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
3122 * @phba: pointer to lpfc hba data structure.
3124 * This routine marks a HBA's management interface as not blocked. Once the
3125 * HBA's management interface is marked as not blocked, all the user space
3126 * access to the HBA, whether they are from sysfs interface or libdfc
3127 * interface will be allowed. The HBA is set to block the management interface
3128 * when the driver prepares the HBA interface for online or offline and then
3129 * set to unblock the management interface afterwards.
3132 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
3134 unsigned long iflag
;
3136 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3137 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
3138 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3142 * lpfc_offline_prep - Prepare a HBA to be brought offline
3143 * @phba: pointer to lpfc hba data structure.
3145 * This routine is invoked to prepare a HBA to be brought offline. It performs
3146 * unregistration login to all the nodes on all vports and flushes the mailbox
3147 * queue to make it ready to be brought offline.
3150 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
3152 struct lpfc_vport
*vport
= phba
->pport
;
3153 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3154 struct lpfc_vport
**vports
;
3155 struct Scsi_Host
*shost
;
3158 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
3161 lpfc_block_mgmt_io(phba
, mbx_action
);
3163 lpfc_linkdown(phba
);
3165 /* Issue an unreg_login to all nodes on all vports */
3166 vports
= lpfc_create_vport_work_array(phba
);
3167 if (vports
!= NULL
) {
3168 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3169 if (vports
[i
]->load_flag
& FC_UNLOADING
)
3171 shost
= lpfc_shost_from_vport(vports
[i
]);
3172 spin_lock_irq(shost
->host_lock
);
3173 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
3174 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3175 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
3176 spin_unlock_irq(shost
->host_lock
);
3178 shost
= lpfc_shost_from_vport(vports
[i
]);
3179 list_for_each_entry_safe(ndlp
, next_ndlp
,
3180 &vports
[i
]->fc_nodes
,
3182 if (!NLP_CHK_NODE_ACT(ndlp
))
3184 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3186 if (ndlp
->nlp_type
& NLP_FABRIC
) {
3187 lpfc_disc_state_machine(vports
[i
], ndlp
,
3188 NULL
, NLP_EVT_DEVICE_RECOVERY
);
3189 lpfc_disc_state_machine(vports
[i
], ndlp
,
3190 NULL
, NLP_EVT_DEVICE_RM
);
3192 spin_lock_irq(shost
->host_lock
);
3193 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
3194 spin_unlock_irq(shost
->host_lock
);
3196 * Whenever an SLI4 port goes offline, free the
3197 * RPI. Get a new RPI when the adapter port
3198 * comes back online.
3200 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3201 lpfc_printf_vlog(ndlp
->vport
,
3202 KERN_INFO
, LOG_NODE
,
3203 "0011 lpfc_offline: "
3205 "usgmap:x%x rpi:%x\n",
3206 ndlp
, ndlp
->nlp_DID
,
3210 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
3212 lpfc_unreg_rpi(vports
[i
], ndlp
);
3216 lpfc_destroy_vport_work_array(phba
, vports
);
3218 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
3221 flush_workqueue(phba
->wq
);
3225 * lpfc_offline - Bring a HBA offline
3226 * @phba: pointer to lpfc hba data structure.
3228 * This routine actually brings a HBA offline. It stops all the timers
3229 * associated with the HBA, brings down the SLI layer, and eventually
3230 * marks the HBA as in offline state for the upper layer protocol.
3233 lpfc_offline(struct lpfc_hba
*phba
)
3235 struct Scsi_Host
*shost
;
3236 struct lpfc_vport
**vports
;
3239 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
3242 /* stop port and all timers associated with this hba */
3243 lpfc_stop_port(phba
);
3245 /* Tear down the local and target port registrations. The
3246 * nvme transports need to cleanup.
3248 lpfc_nvmet_destroy_targetport(phba
);
3249 lpfc_nvme_destroy_localport(phba
->pport
);
3251 vports
= lpfc_create_vport_work_array(phba
);
3253 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3254 lpfc_stop_vport_timers(vports
[i
]);
3255 lpfc_destroy_vport_work_array(phba
, vports
);
3256 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3257 "0460 Bring Adapter offline\n");
3258 /* Bring down the SLI Layer and cleanup. The HBA is offline
3260 lpfc_sli_hba_down(phba
);
3261 spin_lock_irq(&phba
->hbalock
);
3263 spin_unlock_irq(&phba
->hbalock
);
3264 vports
= lpfc_create_vport_work_array(phba
);
3266 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3267 shost
= lpfc_shost_from_vport(vports
[i
]);
3268 spin_lock_irq(shost
->host_lock
);
3269 vports
[i
]->work_port_events
= 0;
3270 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
3271 spin_unlock_irq(shost
->host_lock
);
3273 lpfc_destroy_vport_work_array(phba
, vports
);
3277 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3278 * @phba: pointer to lpfc hba data structure.
3280 * This routine is to free all the SCSI buffers and IOCBs from the driver
3281 * list back to kernel. It is called from lpfc_pci_remove_one to free
3282 * the internal resources before the device is removed from the system.
3285 lpfc_scsi_free(struct lpfc_hba
*phba
)
3287 struct lpfc_scsi_buf
*sb
, *sb_next
;
3289 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
3292 spin_lock_irq(&phba
->hbalock
);
3294 /* Release all the lpfc_scsi_bufs maintained by this host. */
3296 spin_lock(&phba
->scsi_buf_list_put_lock
);
3297 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3299 list_del(&sb
->list
);
3300 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3303 phba
->total_scsi_bufs
--;
3305 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3307 spin_lock(&phba
->scsi_buf_list_get_lock
);
3308 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3310 list_del(&sb
->list
);
3311 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3314 phba
->total_scsi_bufs
--;
3316 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3317 spin_unlock_irq(&phba
->hbalock
);
3320 * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists
3321 * @phba: pointer to lpfc hba data structure.
3323 * This routine is to free all the NVME buffers and IOCBs from the driver
3324 * list back to kernel. It is called from lpfc_pci_remove_one to free
3325 * the internal resources before the device is removed from the system.
3328 lpfc_nvme_free(struct lpfc_hba
*phba
)
3330 struct lpfc_nvme_buf
*lpfc_ncmd
, *lpfc_ncmd_next
;
3332 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
))
3335 spin_lock_irq(&phba
->hbalock
);
3337 /* Release all the lpfc_nvme_bufs maintained by this host. */
3338 spin_lock(&phba
->nvme_buf_list_put_lock
);
3339 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3340 &phba
->lpfc_nvme_buf_list_put
, list
) {
3341 list_del(&lpfc_ncmd
->list
);
3342 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, lpfc_ncmd
->data
,
3343 lpfc_ncmd
->dma_handle
);
3345 phba
->total_nvme_bufs
--;
3347 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3349 spin_lock(&phba
->nvme_buf_list_get_lock
);
3350 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3351 &phba
->lpfc_nvme_buf_list_get
, list
) {
3352 list_del(&lpfc_ncmd
->list
);
3353 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, lpfc_ncmd
->data
,
3354 lpfc_ncmd
->dma_handle
);
3356 phba
->total_nvme_bufs
--;
3358 spin_unlock(&phba
->nvme_buf_list_get_lock
);
3359 spin_unlock_irq(&phba
->hbalock
);
3362 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping
3363 * @phba: pointer to lpfc hba data structure.
3365 * This routine first calculates the sizes of the current els and allocated
3366 * scsi sgl lists, and then goes through all sgls to updates the physical
3367 * XRIs assigned due to port function reset. During port initialization, the
3368 * current els and allocated scsi sgl lists are 0s.
3371 * 0 - successful (for now, it always returns 0)
3374 lpfc_sli4_els_sgl_update(struct lpfc_hba
*phba
)
3376 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3377 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3378 LIST_HEAD(els_sgl_list
);
3382 * update on pci function's els xri-sgl list
3384 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3386 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3387 /* els xri-sgl expanded */
3388 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3389 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3390 "3157 ELS xri-sgl count increased from "
3391 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3393 /* allocate the additional els sgls */
3394 for (i
= 0; i
< xri_cnt
; i
++) {
3395 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3397 if (sglq_entry
== NULL
) {
3398 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3399 "2562 Failure to allocate an "
3400 "ELS sgl entry:%d\n", i
);
3404 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3405 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3407 if (sglq_entry
->virt
== NULL
) {
3409 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3410 "2563 Failure to allocate an "
3411 "ELS mbuf:%d\n", i
);
3415 sglq_entry
->sgl
= sglq_entry
->virt
;
3416 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3417 sglq_entry
->state
= SGL_FREED
;
3418 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3420 spin_lock_irq(&phba
->hbalock
);
3421 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3422 list_splice_init(&els_sgl_list
,
3423 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3424 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3425 spin_unlock_irq(&phba
->hbalock
);
3426 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3427 /* els xri-sgl shrinked */
3428 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3429 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3430 "3158 ELS xri-sgl count decreased from "
3431 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3433 spin_lock_irq(&phba
->hbalock
);
3434 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3435 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
,
3437 /* release extra els sgls from list */
3438 for (i
= 0; i
< xri_cnt
; i
++) {
3439 list_remove_head(&els_sgl_list
,
3440 sglq_entry
, struct lpfc_sglq
, list
);
3442 __lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3447 list_splice_init(&els_sgl_list
,
3448 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3449 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3450 spin_unlock_irq(&phba
->hbalock
);
3452 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3453 "3163 ELS xri-sgl count unchanged: %d\n",
3455 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3457 /* update xris to els sgls on the list */
3459 sglq_entry_next
= NULL
;
3460 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3461 &phba
->sli4_hba
.lpfc_els_sgl_list
, list
) {
3462 lxri
= lpfc_sli4_next_xritag(phba
);
3463 if (lxri
== NO_XRI
) {
3464 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3465 "2400 Failed to allocate xri for "
3470 sglq_entry
->sli4_lxritag
= lxri
;
3471 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3476 lpfc_free_els_sgl_list(phba
);
3481 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping
3482 * @phba: pointer to lpfc hba data structure.
3484 * This routine first calculates the sizes of the current els and allocated
3485 * scsi sgl lists, and then goes through all sgls to updates the physical
3486 * XRIs assigned due to port function reset. During port initialization, the
3487 * current els and allocated scsi sgl lists are 0s.
3490 * 0 - successful (for now, it always returns 0)
3493 lpfc_sli4_nvmet_sgl_update(struct lpfc_hba
*phba
)
3495 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3496 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3497 uint16_t nvmet_xri_cnt
;
3498 LIST_HEAD(nvmet_sgl_list
);
3502 * update on pci function's nvmet xri-sgl list
3504 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3506 /* For NVMET, ALL remaining XRIs are dedicated for IO processing */
3507 nvmet_xri_cnt
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3508 if (nvmet_xri_cnt
> phba
->sli4_hba
.nvmet_xri_cnt
) {
3509 /* els xri-sgl expanded */
3510 xri_cnt
= nvmet_xri_cnt
- phba
->sli4_hba
.nvmet_xri_cnt
;
3511 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3512 "6302 NVMET xri-sgl cnt grew from %d to %d\n",
3513 phba
->sli4_hba
.nvmet_xri_cnt
, nvmet_xri_cnt
);
3514 /* allocate the additional nvmet sgls */
3515 for (i
= 0; i
< xri_cnt
; i
++) {
3516 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3518 if (sglq_entry
== NULL
) {
3519 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3520 "6303 Failure to allocate an "
3521 "NVMET sgl entry:%d\n", i
);
3525 sglq_entry
->buff_type
= NVMET_BUFF_TYPE
;
3526 sglq_entry
->virt
= lpfc_nvmet_buf_alloc(phba
, 0,
3528 if (sglq_entry
->virt
== NULL
) {
3530 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3531 "6304 Failure to allocate an "
3532 "NVMET buf:%d\n", i
);
3536 sglq_entry
->sgl
= sglq_entry
->virt
;
3537 memset(sglq_entry
->sgl
, 0,
3538 phba
->cfg_sg_dma_buf_size
);
3539 sglq_entry
->state
= SGL_FREED
;
3540 list_add_tail(&sglq_entry
->list
, &nvmet_sgl_list
);
3542 spin_lock_irq(&phba
->hbalock
);
3543 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3544 list_splice_init(&nvmet_sgl_list
,
3545 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3546 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3547 spin_unlock_irq(&phba
->hbalock
);
3548 } else if (nvmet_xri_cnt
< phba
->sli4_hba
.nvmet_xri_cnt
) {
3549 /* nvmet xri-sgl shrunk */
3550 xri_cnt
= phba
->sli4_hba
.nvmet_xri_cnt
- nvmet_xri_cnt
;
3551 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3552 "6305 NVMET xri-sgl count decreased from "
3553 "%d to %d\n", phba
->sli4_hba
.nvmet_xri_cnt
,
3555 spin_lock_irq(&phba
->hbalock
);
3556 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3557 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
,
3559 /* release extra nvmet sgls from list */
3560 for (i
= 0; i
< xri_cnt
; i
++) {
3561 list_remove_head(&nvmet_sgl_list
,
3562 sglq_entry
, struct lpfc_sglq
, list
);
3564 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
,
3569 list_splice_init(&nvmet_sgl_list
,
3570 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3571 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3572 spin_unlock_irq(&phba
->hbalock
);
3574 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3575 "6306 NVMET xri-sgl count unchanged: %d\n",
3577 phba
->sli4_hba
.nvmet_xri_cnt
= nvmet_xri_cnt
;
3579 /* update xris to nvmet sgls on the list */
3581 sglq_entry_next
= NULL
;
3582 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3583 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
, list
) {
3584 lxri
= lpfc_sli4_next_xritag(phba
);
3585 if (lxri
== NO_XRI
) {
3586 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3587 "6307 Failed to allocate xri for "
3592 sglq_entry
->sli4_lxritag
= lxri
;
3593 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3598 lpfc_free_nvmet_sgl_list(phba
);
3603 * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping
3604 * @phba: pointer to lpfc hba data structure.
3606 * This routine first calculates the sizes of the current els and allocated
3607 * scsi sgl lists, and then goes through all sgls to updates the physical
3608 * XRIs assigned due to port function reset. During port initialization, the
3609 * current els and allocated scsi sgl lists are 0s.
3612 * 0 - successful (for now, it always returns 0)
3615 lpfc_sli4_scsi_sgl_update(struct lpfc_hba
*phba
)
3617 struct lpfc_scsi_buf
*psb
, *psb_next
;
3618 uint16_t i
, lxri
, els_xri_cnt
, scsi_xri_cnt
;
3619 LIST_HEAD(scsi_sgl_list
);
3623 * update on pci function's els xri-sgl list
3625 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3626 phba
->total_scsi_bufs
= 0;
3629 * update on pci function's allocated scsi xri-sgl list
3631 /* maximum number of xris available for scsi buffers */
3632 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3635 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
3638 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
3639 phba
->sli4_hba
.scsi_xri_max
= /* Split them up */
3640 (phba
->sli4_hba
.scsi_xri_max
*
3641 phba
->cfg_xri_split
) / 100;
3643 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3644 spin_lock(&phba
->scsi_buf_list_put_lock
);
3645 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3646 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3647 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3648 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3650 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3651 "6060 Current allocated SCSI xri-sgl count:%d, "
3652 "maximum SCSI xri count:%d (split:%d)\n",
3653 phba
->sli4_hba
.scsi_xri_cnt
,
3654 phba
->sli4_hba
.scsi_xri_max
, phba
->cfg_xri_split
);
3656 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3657 /* max scsi xri shrinked below the allocated scsi buffers */
3658 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3659 phba
->sli4_hba
.scsi_xri_max
;
3660 /* release the extra allocated scsi buffers */
3661 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3662 list_remove_head(&scsi_sgl_list
, psb
,
3663 struct lpfc_scsi_buf
, list
);
3665 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3666 psb
->data
, psb
->dma_handle
);
3670 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3671 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3672 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3675 /* update xris associated to remaining allocated scsi buffers */
3678 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3679 lxri
= lpfc_sli4_next_xritag(phba
);
3680 if (lxri
== NO_XRI
) {
3681 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3682 "2560 Failed to allocate xri for "
3687 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3688 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3690 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3691 spin_lock(&phba
->scsi_buf_list_put_lock
);
3692 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3693 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3694 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3695 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3699 lpfc_scsi_free(phba
);
3704 lpfc_get_wwpn(struct lpfc_hba
*phba
)
3708 LPFC_MBOXQ_t
*mboxq
;
3711 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
3714 return (uint64_t)-1;
3716 /* First get WWN of HBA instance */
3717 lpfc_read_nv(phba
, mboxq
);
3718 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
3719 if (rc
!= MBX_SUCCESS
) {
3720 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3721 "6019 Mailbox failed , mbxCmd x%x "
3722 "READ_NV, mbxStatus x%x\n",
3723 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
3724 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
3725 mempool_free(mboxq
, phba
->mbox_mem_pool
);
3726 return (uint64_t) -1;
3729 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
, sizeof(uint64_t));
3730 /* wwn is WWPN of HBA instance */
3731 mempool_free(mboxq
, phba
->mbox_mem_pool
);
3732 if (phba
->sli_rev
== LPFC_SLI_REV4
)
3733 return be64_to_cpu(wwn
);
3735 return rol64(wwn
, 32);
3739 * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping
3740 * @phba: pointer to lpfc hba data structure.
3742 * This routine first calculates the sizes of the current els and allocated
3743 * scsi sgl lists, and then goes through all sgls to updates the physical
3744 * XRIs assigned due to port function reset. During port initialization, the
3745 * current els and allocated scsi sgl lists are 0s.
3748 * 0 - successful (for now, it always returns 0)
3751 lpfc_sli4_nvme_sgl_update(struct lpfc_hba
*phba
)
3753 struct lpfc_nvme_buf
*lpfc_ncmd
= NULL
, *lpfc_ncmd_next
= NULL
;
3754 uint16_t i
, lxri
, els_xri_cnt
;
3755 uint16_t nvme_xri_cnt
, nvme_xri_max
;
3756 LIST_HEAD(nvme_sgl_list
);
3759 phba
->total_nvme_bufs
= 0;
3761 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
))
3764 * update on pci function's allocated nvme xri-sgl list
3767 /* maximum number of xris available for nvme buffers */
3768 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3769 nvme_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3770 phba
->sli4_hba
.nvme_xri_max
= nvme_xri_max
;
3771 phba
->sli4_hba
.nvme_xri_max
-= phba
->sli4_hba
.scsi_xri_max
;
3773 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3774 "6074 Current allocated NVME xri-sgl count:%d, "
3775 "maximum NVME xri count:%d\n",
3776 phba
->sli4_hba
.nvme_xri_cnt
,
3777 phba
->sli4_hba
.nvme_xri_max
);
3779 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3780 spin_lock(&phba
->nvme_buf_list_put_lock
);
3781 list_splice_init(&phba
->lpfc_nvme_buf_list_get
, &nvme_sgl_list
);
3782 list_splice(&phba
->lpfc_nvme_buf_list_put
, &nvme_sgl_list
);
3783 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3784 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3786 if (phba
->sli4_hba
.nvme_xri_cnt
> phba
->sli4_hba
.nvme_xri_max
) {
3787 /* max nvme xri shrunk below the allocated nvme buffers */
3788 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3789 nvme_xri_cnt
= phba
->sli4_hba
.nvme_xri_cnt
-
3790 phba
->sli4_hba
.nvme_xri_max
;
3791 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3792 /* release the extra allocated nvme buffers */
3793 for (i
= 0; i
< nvme_xri_cnt
; i
++) {
3794 list_remove_head(&nvme_sgl_list
, lpfc_ncmd
,
3795 struct lpfc_nvme_buf
, list
);
3797 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3799 lpfc_ncmd
->dma_handle
);
3803 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3804 phba
->sli4_hba
.nvme_xri_cnt
-= nvme_xri_cnt
;
3805 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3808 /* update xris associated to remaining allocated nvme buffers */
3810 lpfc_ncmd_next
= NULL
;
3811 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3812 &nvme_sgl_list
, list
) {
3813 lxri
= lpfc_sli4_next_xritag(phba
);
3814 if (lxri
== NO_XRI
) {
3815 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3816 "6075 Failed to allocate xri for "
3821 lpfc_ncmd
->cur_iocbq
.sli4_lxritag
= lxri
;
3822 lpfc_ncmd
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3824 spin_lock_irq(&phba
->nvme_buf_list_get_lock
);
3825 spin_lock(&phba
->nvme_buf_list_put_lock
);
3826 list_splice_init(&nvme_sgl_list
, &phba
->lpfc_nvme_buf_list_get
);
3827 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_put
);
3828 spin_unlock(&phba
->nvme_buf_list_put_lock
);
3829 spin_unlock_irq(&phba
->nvme_buf_list_get_lock
);
3833 lpfc_nvme_free(phba
);
3838 * lpfc_create_port - Create an FC port
3839 * @phba: pointer to lpfc hba data structure.
3840 * @instance: a unique integer ID to this FC port.
3841 * @dev: pointer to the device data structure.
3843 * This routine creates a FC port for the upper layer protocol. The FC port
3844 * can be created on top of either a physical port or a virtual port provided
3845 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3846 * and associates the FC port created before adding the shost into the SCSI
3850 * @vport - pointer to the virtual N_Port data structure.
3851 * NULL - port create failed.
3854 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3856 struct lpfc_vport
*vport
;
3857 struct Scsi_Host
*shost
= NULL
;
3861 bool use_no_reset_hba
= false;
3864 if (lpfc_no_hba_reset_cnt
) {
3865 if (phba
->sli_rev
< LPFC_SLI_REV4
&&
3866 dev
== &phba
->pcidev
->dev
) {
3867 /* Reset the port first */
3868 lpfc_sli_brdrestart(phba
);
3869 rc
= lpfc_sli_chipset_init(phba
);
3873 wwn
= lpfc_get_wwpn(phba
);
3876 for (i
= 0; i
< lpfc_no_hba_reset_cnt
; i
++) {
3877 if (wwn
== lpfc_no_hba_reset
[i
]) {
3878 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3879 "6020 Setting use_no_reset port=%llx\n",
3881 use_no_reset_hba
= true;
3886 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
3887 if (dev
!= &phba
->pcidev
->dev
) {
3888 shost
= scsi_host_alloc(&lpfc_vport_template
,
3889 sizeof(struct lpfc_vport
));
3891 if (!use_no_reset_hba
)
3892 shost
= scsi_host_alloc(&lpfc_template
,
3893 sizeof(struct lpfc_vport
));
3895 shost
= scsi_host_alloc(&lpfc_template_no_hr
,
3896 sizeof(struct lpfc_vport
));
3898 } else if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
3899 shost
= scsi_host_alloc(&lpfc_template_nvme
,
3900 sizeof(struct lpfc_vport
));
3905 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3907 vport
->load_flag
|= FC_LOADING
;
3908 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3909 vport
->fc_rscn_flush
= 0;
3910 lpfc_get_vport_cfgparam(vport
);
3912 shost
->unique_id
= instance
;
3913 shost
->max_id
= LPFC_MAX_TARGET
;
3914 shost
->max_lun
= vport
->cfg_max_luns
;
3915 shost
->this_id
= -1;
3916 shost
->max_cmd_len
= 16;
3917 shost
->nr_hw_queues
= phba
->cfg_fcp_io_channel
;
3918 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3919 shost
->dma_boundary
=
3920 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3921 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3925 * Set initial can_queue value since 0 is no longer supported and
3926 * scsi_add_host will fail. This will be adjusted later based on the
3927 * max xri value determined in hba setup.
3929 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3930 if (dev
!= &phba
->pcidev
->dev
) {
3931 shost
->transportt
= lpfc_vport_transport_template
;
3932 vport
->port_type
= LPFC_NPIV_PORT
;
3934 shost
->transportt
= lpfc_transport_template
;
3935 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3938 /* Initialize all internally managed lists. */
3939 INIT_LIST_HEAD(&vport
->fc_nodes
);
3940 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3941 spin_lock_init(&vport
->work_port_lock
);
3943 timer_setup(&vport
->fc_disctmo
, lpfc_disc_timeout
, 0);
3945 timer_setup(&vport
->els_tmofunc
, lpfc_els_timeout
, 0);
3947 timer_setup(&vport
->delayed_disc_tmo
, lpfc_delayed_disc_tmo
, 0);
3949 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3953 spin_lock_irq(&phba
->hbalock
);
3954 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3955 spin_unlock_irq(&phba
->hbalock
);
3959 scsi_host_put(shost
);
3965 * destroy_port - destroy an FC port
3966 * @vport: pointer to an lpfc virtual N_Port data structure.
3968 * This routine destroys a FC port from the upper layer protocol. All the
3969 * resources associated with the port are released.
3972 destroy_port(struct lpfc_vport
*vport
)
3974 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3975 struct lpfc_hba
*phba
= vport
->phba
;
3977 lpfc_debugfs_terminate(vport
);
3978 fc_remove_host(shost
);
3979 scsi_remove_host(shost
);
3981 spin_lock_irq(&phba
->hbalock
);
3982 list_del_init(&vport
->listentry
);
3983 spin_unlock_irq(&phba
->hbalock
);
3985 lpfc_cleanup(vport
);
3990 * lpfc_get_instance - Get a unique integer ID
3992 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3993 * uses the kernel idr facility to perform the task.
3996 * instance - a unique integer ID allocated as the new instance.
3997 * -1 - lpfc get instance failed.
4000 lpfc_get_instance(void)
4004 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
4005 return ret
< 0 ? -1 : ret
;
4009 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
4010 * @shost: pointer to SCSI host data structure.
4011 * @time: elapsed time of the scan in jiffies.
4013 * This routine is called by the SCSI layer with a SCSI host to determine
4014 * whether the scan host is finished.
4016 * Note: there is no scan_start function as adapter initialization will have
4017 * asynchronously kicked off the link initialization.
4020 * 0 - SCSI host scan is not over yet.
4021 * 1 - SCSI host scan is over.
4023 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
4025 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4026 struct lpfc_hba
*phba
= vport
->phba
;
4029 spin_lock_irq(shost
->host_lock
);
4031 if (vport
->load_flag
& FC_UNLOADING
) {
4035 if (time
>= msecs_to_jiffies(30 * 1000)) {
4036 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4037 "0461 Scanning longer than 30 "
4038 "seconds. Continuing initialization\n");
4042 if (time
>= msecs_to_jiffies(15 * 1000) &&
4043 phba
->link_state
<= LPFC_LINK_DOWN
) {
4044 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4045 "0465 Link down longer than 15 "
4046 "seconds. Continuing initialization\n");
4051 if (vport
->port_state
!= LPFC_VPORT_READY
)
4053 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
4055 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
4057 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
4063 spin_unlock_irq(shost
->host_lock
);
4068 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
4069 * @shost: pointer to SCSI host data structure.
4071 * This routine initializes a given SCSI host attributes on a FC port. The
4072 * SCSI host can be either on top of a physical port or a virtual port.
4074 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
4076 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4077 struct lpfc_hba
*phba
= vport
->phba
;
4079 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
4082 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
4083 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
4084 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
4086 memset(fc_host_supported_fc4s(shost
), 0,
4087 sizeof(fc_host_supported_fc4s(shost
)));
4088 fc_host_supported_fc4s(shost
)[2] = 1;
4089 fc_host_supported_fc4s(shost
)[7] = 1;
4091 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
4092 sizeof fc_host_symbolic_name(shost
));
4094 fc_host_supported_speeds(shost
) = 0;
4095 if (phba
->lmt
& LMT_32Gb
)
4096 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_32GBIT
;
4097 if (phba
->lmt
& LMT_16Gb
)
4098 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
4099 if (phba
->lmt
& LMT_10Gb
)
4100 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
4101 if (phba
->lmt
& LMT_8Gb
)
4102 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
4103 if (phba
->lmt
& LMT_4Gb
)
4104 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
4105 if (phba
->lmt
& LMT_2Gb
)
4106 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
4107 if (phba
->lmt
& LMT_1Gb
)
4108 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
4110 fc_host_maxframe_size(shost
) =
4111 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
4112 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
4114 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
4116 /* This value is also unchanging */
4117 memset(fc_host_active_fc4s(shost
), 0,
4118 sizeof(fc_host_active_fc4s(shost
)));
4119 fc_host_active_fc4s(shost
)[2] = 1;
4120 fc_host_active_fc4s(shost
)[7] = 1;
4122 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
4123 spin_lock_irq(shost
->host_lock
);
4124 vport
->load_flag
&= ~FC_LOADING
;
4125 spin_unlock_irq(shost
->host_lock
);
4129 * lpfc_stop_port_s3 - Stop SLI3 device port
4130 * @phba: pointer to lpfc hba data structure.
4132 * This routine is invoked to stop an SLI3 device port, it stops the device
4133 * from generating interrupts and stops the device driver's timers for the
4137 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
4139 /* Clear all interrupt enable conditions */
4140 writel(0, phba
->HCregaddr
);
4141 readl(phba
->HCregaddr
); /* flush */
4142 /* Clear all pending interrupts */
4143 writel(0xffffffff, phba
->HAregaddr
);
4144 readl(phba
->HAregaddr
); /* flush */
4146 /* Reset some HBA SLI setup states */
4147 lpfc_stop_hba_timers(phba
);
4148 phba
->pport
->work_port_events
= 0;
4152 * lpfc_stop_port_s4 - Stop SLI4 device port
4153 * @phba: pointer to lpfc hba data structure.
4155 * This routine is invoked to stop an SLI4 device port, it stops the device
4156 * from generating interrupts and stops the device driver's timers for the
4160 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
4162 /* Reset some HBA SLI4 setup states */
4163 lpfc_stop_hba_timers(phba
);
4164 phba
->pport
->work_port_events
= 0;
4165 phba
->sli4_hba
.intr_enable
= 0;
4169 * lpfc_stop_port - Wrapper function for stopping hba port
4170 * @phba: Pointer to HBA context object.
4172 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
4173 * the API jump table function pointer from the lpfc_hba struct.
4176 lpfc_stop_port(struct lpfc_hba
*phba
)
4178 phba
->lpfc_stop_port(phba
);
4181 flush_workqueue(phba
->wq
);
4185 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
4186 * @phba: Pointer to hba for which this call is being executed.
4188 * This routine starts the timer waiting for the FCF rediscovery to complete.
4191 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
4193 unsigned long fcf_redisc_wait_tmo
=
4194 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
4195 /* Start fcf rediscovery wait period timer */
4196 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
4197 spin_lock_irq(&phba
->hbalock
);
4198 /* Allow action to new fcf asynchronous event */
4199 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
4200 /* Mark the FCF rediscovery pending state */
4201 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
4202 spin_unlock_irq(&phba
->hbalock
);
4206 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
4207 * @ptr: Map to lpfc_hba data structure pointer.
4209 * This routine is invoked when waiting for FCF table rediscover has been
4210 * timed out. If new FCF record(s) has (have) been discovered during the
4211 * wait period, a new FCF event shall be added to the FCOE async event
4212 * list, and then worker thread shall be waked up for processing from the
4213 * worker thread context.
4216 lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list
*t
)
4218 struct lpfc_hba
*phba
= from_timer(phba
, t
, fcf
.redisc_wait
);
4220 /* Don't send FCF rediscovery event if timer cancelled */
4221 spin_lock_irq(&phba
->hbalock
);
4222 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
4223 spin_unlock_irq(&phba
->hbalock
);
4226 /* Clear FCF rediscovery timer pending flag */
4227 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
4228 /* FCF rediscovery event to worker thread */
4229 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
4230 spin_unlock_irq(&phba
->hbalock
);
4231 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
4232 "2776 FCF rediscover quiescent timer expired\n");
4233 /* wake up worker thread */
4234 lpfc_worker_wake_up(phba
);
4238 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
4239 * @phba: pointer to lpfc hba data structure.
4240 * @acqe_link: pointer to the async link completion queue entry.
4242 * This routine is to parse the SLI4 link-attention link fault code and
4243 * translate it into the base driver's read link attention mailbox command
4246 * Return: Link-attention status in terms of base driver's coding.
4249 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
4250 struct lpfc_acqe_link
*acqe_link
)
4252 uint16_t latt_fault
;
4254 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
4255 case LPFC_ASYNC_LINK_FAULT_NONE
:
4256 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
4257 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
4261 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4262 "0398 Invalid link fault code: x%x\n",
4263 bf_get(lpfc_acqe_link_fault
, acqe_link
));
4264 latt_fault
= MBXERR_ERROR
;
4271 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
4272 * @phba: pointer to lpfc hba data structure.
4273 * @acqe_link: pointer to the async link completion queue entry.
4275 * This routine is to parse the SLI4 link attention type and translate it
4276 * into the base driver's link attention type coding.
4278 * Return: Link attention type in terms of base driver's coding.
4281 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
4282 struct lpfc_acqe_link
*acqe_link
)
4286 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
4287 case LPFC_ASYNC_LINK_STATUS_DOWN
:
4288 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
4289 att_type
= LPFC_ATT_LINK_DOWN
;
4291 case LPFC_ASYNC_LINK_STATUS_UP
:
4292 /* Ignore physical link up events - wait for logical link up */
4293 att_type
= LPFC_ATT_RESERVED
;
4295 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
4296 att_type
= LPFC_ATT_LINK_UP
;
4299 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4300 "0399 Invalid link attention type: x%x\n",
4301 bf_get(lpfc_acqe_link_status
, acqe_link
));
4302 att_type
= LPFC_ATT_RESERVED
;
4309 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
4310 * @phba: pointer to lpfc hba data structure.
4312 * This routine is to get an SLI3 FC port's link speed in Mbps.
4314 * Return: link speed in terms of Mbps.
4317 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
4319 uint32_t link_speed
;
4321 if (!lpfc_is_link_up(phba
))
4324 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
4325 switch (phba
->fc_linkspeed
) {
4326 case LPFC_LINK_SPEED_1GHZ
:
4329 case LPFC_LINK_SPEED_2GHZ
:
4332 case LPFC_LINK_SPEED_4GHZ
:
4335 case LPFC_LINK_SPEED_8GHZ
:
4338 case LPFC_LINK_SPEED_10GHZ
:
4341 case LPFC_LINK_SPEED_16GHZ
:
4348 if (phba
->sli4_hba
.link_state
.logical_speed
)
4350 phba
->sli4_hba
.link_state
.logical_speed
;
4352 link_speed
= phba
->sli4_hba
.link_state
.speed
;
4358 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
4359 * @phba: pointer to lpfc hba data structure.
4360 * @evt_code: asynchronous event code.
4361 * @speed_code: asynchronous event link speed code.
4363 * This routine is to parse the giving SLI4 async event link speed code into
4364 * value of Mbps for the link speed.
4366 * Return: link speed in terms of Mbps.
4369 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
4372 uint32_t port_speed
;
4375 case LPFC_TRAILER_CODE_LINK
:
4376 switch (speed_code
) {
4377 case LPFC_ASYNC_LINK_SPEED_ZERO
:
4380 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
4383 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
4386 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
4389 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
4392 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
4395 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
4398 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
4405 case LPFC_TRAILER_CODE_FC
:
4406 switch (speed_code
) {
4407 case LPFC_FC_LA_SPEED_UNKNOWN
:
4410 case LPFC_FC_LA_SPEED_1G
:
4413 case LPFC_FC_LA_SPEED_2G
:
4416 case LPFC_FC_LA_SPEED_4G
:
4419 case LPFC_FC_LA_SPEED_8G
:
4422 case LPFC_FC_LA_SPEED_10G
:
4425 case LPFC_FC_LA_SPEED_16G
:
4428 case LPFC_FC_LA_SPEED_32G
:
4442 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
4443 * @phba: pointer to lpfc hba data structure.
4444 * @acqe_link: pointer to the async link completion queue entry.
4446 * This routine is to handle the SLI4 asynchronous FCoE link event.
4449 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
4450 struct lpfc_acqe_link
*acqe_link
)
4452 struct lpfc_dmabuf
*mp
;
4455 struct lpfc_mbx_read_top
*la
;
4459 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
4460 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
4462 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
4463 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4465 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4466 "0395 The mboxq allocation failed\n");
4469 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4471 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4472 "0396 The lpfc_dmabuf allocation failed\n");
4475 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4477 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4478 "0397 The mbuf allocation failed\n");
4479 goto out_free_dmabuf
;
4482 /* Cleanup any outstanding ELS commands */
4483 lpfc_els_flush_all_cmd(phba
);
4485 /* Block ELS IOCBs until we have done process link event */
4486 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
4488 /* Update link event statistics */
4489 phba
->sli
.slistat
.link_event
++;
4491 /* Create lpfc_handle_latt mailbox command from link ACQE */
4492 lpfc_read_topology(phba
, pmb
, mp
);
4493 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4494 pmb
->vport
= phba
->pport
;
4496 /* Keep the link status for extra SLI4 state machine reference */
4497 phba
->sli4_hba
.link_state
.speed
=
4498 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
4499 bf_get(lpfc_acqe_link_speed
, acqe_link
));
4500 phba
->sli4_hba
.link_state
.duplex
=
4501 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
4502 phba
->sli4_hba
.link_state
.status
=
4503 bf_get(lpfc_acqe_link_status
, acqe_link
);
4504 phba
->sli4_hba
.link_state
.type
=
4505 bf_get(lpfc_acqe_link_type
, acqe_link
);
4506 phba
->sli4_hba
.link_state
.number
=
4507 bf_get(lpfc_acqe_link_number
, acqe_link
);
4508 phba
->sli4_hba
.link_state
.fault
=
4509 bf_get(lpfc_acqe_link_fault
, acqe_link
);
4510 phba
->sli4_hba
.link_state
.logical_speed
=
4511 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
4513 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4514 "2900 Async FC/FCoE Link event - Speed:%dGBit "
4515 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
4516 "Logical speed:%dMbps Fault:%d\n",
4517 phba
->sli4_hba
.link_state
.speed
,
4518 phba
->sli4_hba
.link_state
.topology
,
4519 phba
->sli4_hba
.link_state
.status
,
4520 phba
->sli4_hba
.link_state
.type
,
4521 phba
->sli4_hba
.link_state
.number
,
4522 phba
->sli4_hba
.link_state
.logical_speed
,
4523 phba
->sli4_hba
.link_state
.fault
);
4525 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
4526 * topology info. Note: Optional for non FC-AL ports.
4528 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
4529 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4530 if (rc
== MBX_NOT_FINISHED
)
4531 goto out_free_dmabuf
;
4535 * For FCoE Mode: fill in all the topology information we need and call
4536 * the READ_TOPOLOGY completion routine to continue without actually
4537 * sending the READ_TOPOLOGY mailbox command to the port.
4539 /* Parse and translate status field */
4541 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
4543 /* Parse and translate link attention fields */
4544 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
4545 la
->eventTag
= acqe_link
->event_tag
;
4546 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
4547 bf_set(lpfc_mbx_read_top_link_spd
, la
,
4548 (bf_get(lpfc_acqe_link_speed
, acqe_link
)));
4550 /* Fake the the following irrelvant fields */
4551 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
4552 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
4553 bf_set(lpfc_mbx_read_top_il
, la
, 0);
4554 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
4555 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
4556 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
4558 /* Invoke the lpfc_handle_latt mailbox command callback function */
4559 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4566 mempool_free(pmb
, phba
->mbox_mem_pool
);
4570 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
4571 * @phba: pointer to lpfc hba data structure.
4572 * @acqe_fc: pointer to the async fc completion queue entry.
4574 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
4575 * that the event was received and then issue a read_topology mailbox command so
4576 * that the rest of the driver will treat it the same as SLI3.
4579 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
4581 struct lpfc_dmabuf
*mp
;
4584 struct lpfc_mbx_read_top
*la
;
4587 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
4588 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
4589 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4590 "2895 Non FC link Event detected.(%d)\n",
4591 bf_get(lpfc_trailer_type
, acqe_fc
));
4594 /* Keep the link status for extra SLI4 state machine reference */
4595 phba
->sli4_hba
.link_state
.speed
=
4596 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
4597 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
4598 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
4599 phba
->sli4_hba
.link_state
.topology
=
4600 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
4601 phba
->sli4_hba
.link_state
.status
=
4602 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
4603 phba
->sli4_hba
.link_state
.type
=
4604 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
4605 phba
->sli4_hba
.link_state
.number
=
4606 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
4607 phba
->sli4_hba
.link_state
.fault
=
4608 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
4609 phba
->sli4_hba
.link_state
.logical_speed
=
4610 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
4611 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4612 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
4613 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
4614 "%dMbps Fault:%d\n",
4615 phba
->sli4_hba
.link_state
.speed
,
4616 phba
->sli4_hba
.link_state
.topology
,
4617 phba
->sli4_hba
.link_state
.status
,
4618 phba
->sli4_hba
.link_state
.type
,
4619 phba
->sli4_hba
.link_state
.number
,
4620 phba
->sli4_hba
.link_state
.logical_speed
,
4621 phba
->sli4_hba
.link_state
.fault
);
4622 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4624 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4625 "2897 The mboxq allocation failed\n");
4628 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4630 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4631 "2898 The lpfc_dmabuf allocation failed\n");
4634 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4636 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4637 "2899 The mbuf allocation failed\n");
4638 goto out_free_dmabuf
;
4641 /* Cleanup any outstanding ELS commands */
4642 lpfc_els_flush_all_cmd(phba
);
4644 /* Block ELS IOCBs until we have done process link event */
4645 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
4647 /* Update link event statistics */
4648 phba
->sli
.slistat
.link_event
++;
4650 /* Create lpfc_handle_latt mailbox command from link ACQE */
4651 lpfc_read_topology(phba
, pmb
, mp
);
4652 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4653 pmb
->vport
= phba
->pport
;
4655 if (phba
->sli4_hba
.link_state
.status
!= LPFC_FC_LA_TYPE_LINK_UP
) {
4656 phba
->link_flag
&= ~(LS_MDS_LINK_DOWN
| LS_MDS_LOOPBACK
);
4658 switch (phba
->sli4_hba
.link_state
.status
) {
4659 case LPFC_FC_LA_TYPE_MDS_LINK_DOWN
:
4660 phba
->link_flag
|= LS_MDS_LINK_DOWN
;
4662 case LPFC_FC_LA_TYPE_MDS_LOOPBACK
:
4663 phba
->link_flag
|= LS_MDS_LOOPBACK
;
4669 /* Parse and translate status field */
4671 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
,
4674 /* Parse and translate link attention fields */
4675 la
= (struct lpfc_mbx_read_top
*)&pmb
->u
.mb
.un
.varReadTop
;
4676 la
->eventTag
= acqe_fc
->event_tag
;
4678 if (phba
->sli4_hba
.link_state
.status
==
4679 LPFC_FC_LA_TYPE_UNEXP_WWPN
) {
4680 bf_set(lpfc_mbx_read_top_att_type
, la
,
4681 LPFC_FC_LA_TYPE_UNEXP_WWPN
);
4683 bf_set(lpfc_mbx_read_top_att_type
, la
,
4684 LPFC_FC_LA_TYPE_LINK_DOWN
);
4686 /* Invoke the mailbox command callback function */
4687 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4692 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4693 if (rc
== MBX_NOT_FINISHED
)
4694 goto out_free_dmabuf
;
4700 mempool_free(pmb
, phba
->mbox_mem_pool
);
4704 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4705 * @phba: pointer to lpfc hba data structure.
4706 * @acqe_fc: pointer to the async SLI completion queue entry.
4708 * This routine is to handle the SLI4 asynchronous SLI events.
4711 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
4717 uint8_t operational
= 0;
4718 struct temp_event temp_event_data
;
4719 struct lpfc_acqe_misconfigured_event
*misconfigured
;
4720 struct Scsi_Host
*shost
;
4722 evt_type
= bf_get(lpfc_trailer_type
, acqe_sli
);
4724 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4725 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4726 "x%08x SLI Event Type:%d\n",
4727 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4730 port_name
= phba
->Port
[0];
4731 if (port_name
== 0x00)
4732 port_name
= '?'; /* get port name is empty */
4735 case LPFC_SLI_EVENT_TYPE_OVER_TEMP
:
4736 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4737 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
4738 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4740 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4741 "3190 Over Temperature:%d Celsius- Port Name %c\n",
4742 acqe_sli
->event_data1
, port_name
);
4744 phba
->sfp_warning
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
4745 shost
= lpfc_shost_from_vport(phba
->pport
);
4746 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4747 sizeof(temp_event_data
),
4748 (char *)&temp_event_data
,
4749 SCSI_NL_VID_TYPE_PCI
4750 | PCI_VENDOR_ID_EMULEX
);
4752 case LPFC_SLI_EVENT_TYPE_NORM_TEMP
:
4753 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4754 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
4755 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4757 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4758 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
4759 acqe_sli
->event_data1
, port_name
);
4761 shost
= lpfc_shost_from_vport(phba
->pport
);
4762 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4763 sizeof(temp_event_data
),
4764 (char *)&temp_event_data
,
4765 SCSI_NL_VID_TYPE_PCI
4766 | PCI_VENDOR_ID_EMULEX
);
4768 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED
:
4769 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
4770 &acqe_sli
->event_data1
;
4772 /* fetch the status for this port */
4773 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4774 case LPFC_LINK_NUMBER_0
:
4775 status
= bf_get(lpfc_sli_misconfigured_port0_state
,
4776 &misconfigured
->theEvent
);
4777 operational
= bf_get(lpfc_sli_misconfigured_port0_op
,
4778 &misconfigured
->theEvent
);
4780 case LPFC_LINK_NUMBER_1
:
4781 status
= bf_get(lpfc_sli_misconfigured_port1_state
,
4782 &misconfigured
->theEvent
);
4783 operational
= bf_get(lpfc_sli_misconfigured_port1_op
,
4784 &misconfigured
->theEvent
);
4786 case LPFC_LINK_NUMBER_2
:
4787 status
= bf_get(lpfc_sli_misconfigured_port2_state
,
4788 &misconfigured
->theEvent
);
4789 operational
= bf_get(lpfc_sli_misconfigured_port2_op
,
4790 &misconfigured
->theEvent
);
4792 case LPFC_LINK_NUMBER_3
:
4793 status
= bf_get(lpfc_sli_misconfigured_port3_state
,
4794 &misconfigured
->theEvent
);
4795 operational
= bf_get(lpfc_sli_misconfigured_port3_op
,
4796 &misconfigured
->theEvent
);
4799 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4801 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
4802 "event: Invalid link %d",
4803 phba
->sli4_hba
.lnk_info
.lnk_no
);
4807 /* Skip if optic state unchanged */
4808 if (phba
->sli4_hba
.lnk_info
.optic_state
== status
)
4812 case LPFC_SLI_EVENT_STATUS_VALID
:
4813 sprintf(message
, "Physical Link is functional");
4815 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
4816 sprintf(message
, "Optics faulted/incorrectly "
4817 "installed/not installed - Reseat optics, "
4818 "if issue not resolved, replace.");
4820 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
4822 "Optics of two types installed - Remove one "
4823 "optic or install matching pair of optics.");
4825 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
4826 sprintf(message
, "Incompatible optics - Replace with "
4827 "compatible optics for card to function.");
4829 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED
:
4830 sprintf(message
, "Unqualified optics - Replace with "
4831 "Avago optics for Warranty and Technical "
4832 "Support - Link is%s operational",
4833 (operational
) ? " not" : "");
4835 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED
:
4836 sprintf(message
, "Uncertified optics - Replace with "
4837 "Avago-certified optics to enable link "
4838 "operation - Link is%s operational",
4839 (operational
) ? " not" : "");
4842 /* firmware is reporting a status we don't know about */
4843 sprintf(message
, "Unknown event status x%02x", status
);
4846 phba
->sli4_hba
.lnk_info
.optic_state
= status
;
4847 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4848 "3176 Port Name %c %s\n", port_name
, message
);
4850 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT
:
4851 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4852 "3192 Remote DPort Test Initiated - "
4853 "Event Data1:x%08x Event Data2: x%08x\n",
4854 acqe_sli
->event_data1
, acqe_sli
->event_data2
);
4857 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4858 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
4859 "x%08x SLI Event Type:%d\n",
4860 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4867 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4868 * @vport: pointer to vport data structure.
4870 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4871 * response to a CVL event.
4873 * Return the pointer to the ndlp with the vport if successful, otherwise
4876 static struct lpfc_nodelist
*
4877 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
4879 struct lpfc_nodelist
*ndlp
;
4880 struct Scsi_Host
*shost
;
4881 struct lpfc_hba
*phba
;
4888 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
4890 /* Cannot find existing Fabric ndlp, so allocate a new one */
4891 ndlp
= lpfc_nlp_init(vport
, Fabric_DID
);
4894 /* Set the node type */
4895 ndlp
->nlp_type
|= NLP_FABRIC
;
4896 /* Put ndlp onto node list */
4897 lpfc_enqueue_node(vport
, ndlp
);
4898 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4899 /* re-setup ndlp without removing from node list */
4900 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4904 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4905 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4907 /* If virtual link is not yet instantiated ignore CVL */
4908 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4909 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4911 shost
= lpfc_shost_from_vport(vport
);
4914 lpfc_linkdown_port(vport
);
4915 lpfc_cleanup_pending_mbox(vport
);
4916 spin_lock_irq(shost
->host_lock
);
4917 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4918 spin_unlock_irq(shost
->host_lock
);
4924 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4925 * @vport: pointer to lpfc hba data structure.
4927 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4928 * response to a FCF dead event.
4931 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4933 struct lpfc_vport
**vports
;
4936 vports
= lpfc_create_vport_work_array(phba
);
4938 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4939 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4940 lpfc_destroy_vport_work_array(phba
, vports
);
4944 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4945 * @phba: pointer to lpfc hba data structure.
4946 * @acqe_link: pointer to the async fcoe completion queue entry.
4948 * This routine is to handle the SLI4 asynchronous fcoe event.
4951 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4952 struct lpfc_acqe_fip
*acqe_fip
)
4954 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4956 struct lpfc_vport
*vport
;
4957 struct lpfc_nodelist
*ndlp
;
4958 struct Scsi_Host
*shost
;
4959 int active_vlink_present
;
4960 struct lpfc_vport
**vports
;
4963 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4964 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4965 switch (event_type
) {
4966 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4967 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4968 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4969 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4971 "2546 New FCF event, evt_tag:x%x, "
4973 acqe_fip
->event_tag
,
4976 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4978 "2788 FCF param modified event, "
4979 "evt_tag:x%x, index:x%x\n",
4980 acqe_fip
->event_tag
,
4982 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4984 * During period of FCF discovery, read the FCF
4985 * table record indexed by the event to update
4986 * FCF roundrobin failover eligible FCF bmask.
4988 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4990 "2779 Read FCF (x%x) for updating "
4991 "roundrobin FCF failover bmask\n",
4993 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4996 /* If the FCF discovery is in progress, do nothing. */
4997 spin_lock_irq(&phba
->hbalock
);
4998 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4999 spin_unlock_irq(&phba
->hbalock
);
5002 /* If fast FCF failover rescan event is pending, do nothing */
5003 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
5004 spin_unlock_irq(&phba
->hbalock
);
5008 /* If the FCF has been in discovered state, do nothing. */
5009 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
5010 spin_unlock_irq(&phba
->hbalock
);
5013 spin_unlock_irq(&phba
->hbalock
);
5015 /* Otherwise, scan the entire FCF table and re-discover SAN */
5016 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5017 "2770 Start FCF table scan per async FCF "
5018 "event, evt_tag:x%x, index:x%x\n",
5019 acqe_fip
->event_tag
, acqe_fip
->index
);
5020 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
5021 LPFC_FCOE_FCF_GET_FIRST
);
5023 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5024 "2547 Issue FCF scan read FCF mailbox "
5025 "command failed (x%x)\n", rc
);
5028 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
5029 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5030 "2548 FCF Table full count 0x%x tag 0x%x\n",
5031 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
5032 acqe_fip
->event_tag
);
5035 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
5036 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
5037 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5038 "2549 FCF (x%x) disconnected from network, "
5039 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
5041 * If we are in the middle of FCF failover process, clear
5042 * the corresponding FCF bit in the roundrobin bitmap.
5044 spin_lock_irq(&phba
->hbalock
);
5045 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) &&
5046 (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)) {
5047 spin_unlock_irq(&phba
->hbalock
);
5048 /* Update FLOGI FCF failover eligible FCF bmask */
5049 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
5052 spin_unlock_irq(&phba
->hbalock
);
5054 /* If the event is not for currently used fcf do nothing */
5055 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
5059 * Otherwise, request the port to rediscover the entire FCF
5060 * table for a fast recovery from case that the current FCF
5061 * is no longer valid as we are not in the middle of FCF
5062 * failover process already.
5064 spin_lock_irq(&phba
->hbalock
);
5065 /* Mark the fast failover process in progress */
5066 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
5067 spin_unlock_irq(&phba
->hbalock
);
5069 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5070 "2771 Start FCF fast failover process due to "
5071 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
5072 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
5073 rc
= lpfc_sli4_redisc_fcf_table(phba
);
5075 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5077 "2772 Issue FCF rediscover mabilbox "
5078 "command failed, fail through to FCF "
5080 spin_lock_irq(&phba
->hbalock
);
5081 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
5082 spin_unlock_irq(&phba
->hbalock
);
5084 * Last resort will fail over by treating this
5085 * as a link down to FCF registration.
5087 lpfc_sli4_fcf_dead_failthrough(phba
);
5089 /* Reset FCF roundrobin bmask for new discovery */
5090 lpfc_sli4_clear_fcf_rr_bmask(phba
);
5092 * Handling fast FCF failover to a DEAD FCF event is
5093 * considered equalivant to receiving CVL to all vports.
5095 lpfc_sli4_perform_all_vport_cvl(phba
);
5098 case LPFC_FIP_EVENT_TYPE_CVL
:
5099 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
5100 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5101 "2718 Clear Virtual Link Received for VPI 0x%x"
5102 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
5104 vport
= lpfc_find_vport_by_vpid(phba
,
5106 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
5109 active_vlink_present
= 0;
5111 vports
= lpfc_create_vport_work_array(phba
);
5113 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
5115 if ((!(vports
[i
]->fc_flag
&
5116 FC_VPORT_CVL_RCVD
)) &&
5117 (vports
[i
]->port_state
> LPFC_FDISC
)) {
5118 active_vlink_present
= 1;
5122 lpfc_destroy_vport_work_array(phba
, vports
);
5126 * Don't re-instantiate if vport is marked for deletion.
5127 * If we are here first then vport_delete is going to wait
5128 * for discovery to complete.
5130 if (!(vport
->load_flag
& FC_UNLOADING
) &&
5131 active_vlink_present
) {
5133 * If there are other active VLinks present,
5134 * re-instantiate the Vlink using FDISC.
5136 mod_timer(&ndlp
->nlp_delayfunc
,
5137 jiffies
+ msecs_to_jiffies(1000));
5138 shost
= lpfc_shost_from_vport(vport
);
5139 spin_lock_irq(shost
->host_lock
);
5140 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
5141 spin_unlock_irq(shost
->host_lock
);
5142 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
5143 vport
->port_state
= LPFC_FDISC
;
5146 * Otherwise, we request port to rediscover
5147 * the entire FCF table for a fast recovery
5148 * from possible case that the current FCF
5149 * is no longer valid if we are not already
5150 * in the FCF failover process.
5152 spin_lock_irq(&phba
->hbalock
);
5153 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
5154 spin_unlock_irq(&phba
->hbalock
);
5157 /* Mark the fast failover process in progress */
5158 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
5159 spin_unlock_irq(&phba
->hbalock
);
5160 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
5162 "2773 Start FCF failover per CVL, "
5163 "evt_tag:x%x\n", acqe_fip
->event_tag
);
5164 rc
= lpfc_sli4_redisc_fcf_table(phba
);
5166 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5168 "2774 Issue FCF rediscover "
5169 "mabilbox command failed, "
5170 "through to CVL event\n");
5171 spin_lock_irq(&phba
->hbalock
);
5172 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
5173 spin_unlock_irq(&phba
->hbalock
);
5175 * Last resort will be re-try on the
5176 * the current registered FCF entry.
5178 lpfc_retry_pport_discovery(phba
);
5181 * Reset FCF roundrobin bmask for new
5184 lpfc_sli4_clear_fcf_rr_bmask(phba
);
5188 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5189 "0288 Unknown FCoE event type 0x%x event tag "
5190 "0x%x\n", event_type
, acqe_fip
->event_tag
);
5196 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
5197 * @phba: pointer to lpfc hba data structure.
5198 * @acqe_link: pointer to the async dcbx completion queue entry.
5200 * This routine is to handle the SLI4 asynchronous dcbx event.
5203 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
5204 struct lpfc_acqe_dcbx
*acqe_dcbx
)
5206 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
5207 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5208 "0290 The SLI4 DCBX asynchronous event is not "
5213 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
5214 * @phba: pointer to lpfc hba data structure.
5215 * @acqe_link: pointer to the async grp5 completion queue entry.
5217 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
5218 * is an asynchronous notified of a logical link speed change. The Port
5219 * reports the logical link speed in units of 10Mbps.
5222 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
5223 struct lpfc_acqe_grp5
*acqe_grp5
)
5225 uint16_t prev_ll_spd
;
5227 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
5228 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
5229 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
5230 phba
->sli4_hba
.link_state
.logical_speed
=
5231 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
5232 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5233 "2789 GRP5 Async Event: Updating logical link speed "
5234 "from %dMbps to %dMbps\n", prev_ll_spd
,
5235 phba
->sli4_hba
.link_state
.logical_speed
);
5239 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
5240 * @phba: pointer to lpfc hba data structure.
5242 * This routine is invoked by the worker thread to process all the pending
5243 * SLI4 asynchronous events.
5245 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
5247 struct lpfc_cq_event
*cq_event
;
5249 /* First, declare the async event has been handled */
5250 spin_lock_irq(&phba
->hbalock
);
5251 phba
->hba_flag
&= ~ASYNC_EVENT
;
5252 spin_unlock_irq(&phba
->hbalock
);
5253 /* Now, handle all the async events */
5254 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
5255 /* Get the first event from the head of the event queue */
5256 spin_lock_irq(&phba
->hbalock
);
5257 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
5258 cq_event
, struct lpfc_cq_event
, list
);
5259 spin_unlock_irq(&phba
->hbalock
);
5260 /* Process the asynchronous event */
5261 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
5262 case LPFC_TRAILER_CODE_LINK
:
5263 lpfc_sli4_async_link_evt(phba
,
5264 &cq_event
->cqe
.acqe_link
);
5266 case LPFC_TRAILER_CODE_FCOE
:
5267 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
5269 case LPFC_TRAILER_CODE_DCBX
:
5270 lpfc_sli4_async_dcbx_evt(phba
,
5271 &cq_event
->cqe
.acqe_dcbx
);
5273 case LPFC_TRAILER_CODE_GRP5
:
5274 lpfc_sli4_async_grp5_evt(phba
,
5275 &cq_event
->cqe
.acqe_grp5
);
5277 case LPFC_TRAILER_CODE_FC
:
5278 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
5280 case LPFC_TRAILER_CODE_SLI
:
5281 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
5284 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5285 "1804 Invalid asynchrous event code: "
5286 "x%x\n", bf_get(lpfc_trailer_code
,
5287 &cq_event
->cqe
.mcqe_cmpl
));
5290 /* Free the completion event processed to the free pool */
5291 lpfc_sli4_cq_event_release(phba
, cq_event
);
5296 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
5297 * @phba: pointer to lpfc hba data structure.
5299 * This routine is invoked by the worker thread to process FCF table
5300 * rediscovery pending completion event.
5302 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
5306 spin_lock_irq(&phba
->hbalock
);
5307 /* Clear FCF rediscovery timeout event */
5308 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
5309 /* Clear driver fast failover FCF record flag */
5310 phba
->fcf
.failover_rec
.flag
= 0;
5311 /* Set state for FCF fast failover */
5312 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
5313 spin_unlock_irq(&phba
->hbalock
);
5315 /* Scan FCF table from the first entry to re-discover SAN */
5316 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5317 "2777 Start post-quiescent FCF table scan\n");
5318 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
5320 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5321 "2747 Issue FCF scan read FCF mailbox "
5322 "command failed 0x%x\n", rc
);
5326 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
5327 * @phba: pointer to lpfc hba data structure.
5328 * @dev_grp: The HBA PCI-Device group number.
5330 * This routine is invoked to set up the per HBA PCI-Device group function
5331 * API jump table entries.
5333 * Return: 0 if success, otherwise -ENODEV
5336 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5340 /* Set up lpfc PCI-device group */
5341 phba
->pci_dev_grp
= dev_grp
;
5343 /* The LPFC_PCI_DEV_OC uses SLI4 */
5344 if (dev_grp
== LPFC_PCI_DEV_OC
)
5345 phba
->sli_rev
= LPFC_SLI_REV4
;
5347 /* Set up device INIT API function jump table */
5348 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
5351 /* Set up SCSI API function jump table */
5352 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
5355 /* Set up SLI API function jump table */
5356 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
5359 /* Set up MBOX API function jump table */
5360 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
5368 * lpfc_log_intr_mode - Log the active interrupt mode
5369 * @phba: pointer to lpfc hba data structure.
5370 * @intr_mode: active interrupt mode adopted.
5372 * This routine it invoked to log the currently used active interrupt mode
5375 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
5377 switch (intr_mode
) {
5379 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5380 "0470 Enable INTx interrupt mode.\n");
5383 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5384 "0481 Enabled MSI interrupt mode.\n");
5387 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5388 "0480 Enabled MSI-X interrupt mode.\n");
5391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5392 "0482 Illegal interrupt mode.\n");
5399 * lpfc_enable_pci_dev - Enable a generic PCI device.
5400 * @phba: pointer to lpfc hba data structure.
5402 * This routine is invoked to enable the PCI device that is common to all
5407 * other values - error
5410 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
5412 struct pci_dev
*pdev
;
5414 /* Obtain PCI device reference */
5418 pdev
= phba
->pcidev
;
5419 /* Enable PCI device */
5420 if (pci_enable_device_mem(pdev
))
5422 /* Request PCI resource for the device */
5423 if (pci_request_mem_regions(pdev
, LPFC_DRIVER_NAME
))
5424 goto out_disable_device
;
5425 /* Set up device as PCI master and save state for EEH */
5426 pci_set_master(pdev
);
5427 pci_try_set_mwi(pdev
);
5428 pci_save_state(pdev
);
5430 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
5431 if (pci_is_pcie(pdev
))
5432 pdev
->needs_freset
= 1;
5437 pci_disable_device(pdev
);
5439 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5440 "1401 Failed to enable pci device\n");
5445 * lpfc_disable_pci_dev - Disable a generic PCI device.
5446 * @phba: pointer to lpfc hba data structure.
5448 * This routine is invoked to disable the PCI device that is common to all
5452 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
5454 struct pci_dev
*pdev
;
5456 /* Obtain PCI device reference */
5460 pdev
= phba
->pcidev
;
5461 /* Release PCI resource and disable PCI device */
5462 pci_release_mem_regions(pdev
);
5463 pci_disable_device(pdev
);
5469 * lpfc_reset_hba - Reset a hba
5470 * @phba: pointer to lpfc hba data structure.
5472 * This routine is invoked to reset a hba device. It brings the HBA
5473 * offline, performs a board restart, and then brings the board back
5474 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
5475 * on outstanding mailbox commands.
5478 lpfc_reset_hba(struct lpfc_hba
*phba
)
5480 /* If resets are disabled then set error state and return. */
5481 if (!phba
->cfg_enable_hba_reset
) {
5482 phba
->link_state
= LPFC_HBA_ERROR
;
5485 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
5486 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
5488 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
5490 lpfc_sli_brdrestart(phba
);
5492 lpfc_unblock_mgmt_io(phba
);
5496 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
5497 * @phba: pointer to lpfc hba data structure.
5499 * This function enables the PCI SR-IOV virtual functions to a physical
5500 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
5501 * enable the number of virtual functions to the physical function. As
5502 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
5503 * API call does not considered as an error condition for most of the device.
5506 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
5508 struct pci_dev
*pdev
= phba
->pcidev
;
5512 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
5516 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
5521 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
5522 * @phba: pointer to lpfc hba data structure.
5523 * @nr_vfn: number of virtual functions to be enabled.
5525 * This function enables the PCI SR-IOV virtual functions to a physical
5526 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
5527 * enable the number of virtual functions to the physical function. As
5528 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
5529 * API call does not considered as an error condition for most of the device.
5532 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
5534 struct pci_dev
*pdev
= phba
->pcidev
;
5535 uint16_t max_nr_vfn
;
5538 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
5539 if (nr_vfn
> max_nr_vfn
) {
5540 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5541 "3057 Requested vfs (%d) greater than "
5542 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
5546 rc
= pci_enable_sriov(pdev
, nr_vfn
);
5548 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5549 "2806 Failed to enable sriov on this device "
5550 "with vfn number nr_vf:%d, rc:%d\n",
5553 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5554 "2807 Successful enable sriov on this device "
5555 "with vfn number nr_vf:%d\n", nr_vfn
);
5560 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5561 * @phba: pointer to lpfc hba data structure.
5563 * This routine is invoked to set up the driver internal resources before the
5564 * device specific resource setup to support the HBA device it attached to.
5568 * other values - error
5571 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5573 struct lpfc_sli
*psli
= &phba
->sli
;
5576 * Driver resources common to all SLI revisions
5578 atomic_set(&phba
->fast_event_count
, 0);
5579 spin_lock_init(&phba
->hbalock
);
5581 /* Initialize ndlp management spinlock */
5582 spin_lock_init(&phba
->ndlp_lock
);
5584 INIT_LIST_HEAD(&phba
->port_list
);
5585 INIT_LIST_HEAD(&phba
->work_list
);
5586 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5588 /* Initialize the wait queue head for the kernel thread */
5589 init_waitqueue_head(&phba
->work_waitq
);
5591 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5592 "1403 Protocols supported %s %s %s\n",
5593 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) ?
5595 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) ?
5597 (phba
->nvmet_support
? "NVMET" : " "));
5599 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
5600 /* Initialize the scsi buffer list used by driver for scsi IO */
5601 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5602 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5603 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5604 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5607 if ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) &&
5608 (phba
->nvmet_support
== 0)) {
5609 /* Initialize the NVME buffer list used by driver for NVME IO */
5610 spin_lock_init(&phba
->nvme_buf_list_get_lock
);
5611 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_get
);
5612 spin_lock_init(&phba
->nvme_buf_list_put_lock
);
5613 INIT_LIST_HEAD(&phba
->lpfc_nvme_buf_list_put
);
5616 /* Initialize the fabric iocb list */
5617 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5619 /* Initialize list to save ELS buffers */
5620 INIT_LIST_HEAD(&phba
->elsbuf
);
5622 /* Initialize FCF connection rec list */
5623 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5625 /* Initialize OAS configuration list */
5626 spin_lock_init(&phba
->devicelock
);
5627 INIT_LIST_HEAD(&phba
->luns
);
5629 /* MBOX heartbeat timer */
5630 timer_setup(&psli
->mbox_tmo
, lpfc_mbox_timeout
, 0);
5631 /* Fabric block timer */
5632 timer_setup(&phba
->fabric_block_timer
, lpfc_fabric_block_timeout
, 0);
5633 /* EA polling mode timer */
5634 timer_setup(&phba
->eratt_poll
, lpfc_poll_eratt
, 0);
5635 /* Heartbeat timer */
5636 timer_setup(&phba
->hb_tmofunc
, lpfc_hb_timeout
, 0);
5642 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev
5643 * @phba: pointer to lpfc hba data structure.
5645 * This routine is invoked to set up the driver internal resources specific to
5646 * support the SLI-3 HBA device it attached to.
5650 * other values - error
5653 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
5658 * Initialize timers used by driver
5661 /* FCP polling mode timer */
5662 timer_setup(&phba
->fcp_poll_timer
, lpfc_poll_timeout
, 0);
5664 /* Host attention work mask setup */
5665 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
5666 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
5668 /* Get all the module params for configuring this host */
5669 lpfc_get_cfgparam(phba
);
5670 /* Set up phase-1 common device driver resources */
5672 rc
= lpfc_setup_driver_resource_phase1(phba
);
5676 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
5677 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
5678 /* check for menlo minimum sg count */
5679 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
5680 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
5683 if (!phba
->sli
.sli3_ring
)
5684 phba
->sli
.sli3_ring
= kzalloc(LPFC_SLI3_MAX_RING
*
5685 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5686 if (!phba
->sli
.sli3_ring
)
5690 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5691 * used to create the sg_dma_buf_pool must be dynamically calculated.
5694 /* Initialize the host templates the configured values. */
5695 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5696 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5697 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5699 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
5700 if (phba
->cfg_enable_bg
) {
5702 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5703 * the FCP rsp, and a BDE for each. Sice we have no control
5704 * over how many protection data segments the SCSI Layer
5705 * will hand us (ie: there could be one for every block
5706 * in the IO), we just allocate enough BDEs to accomidate
5707 * our max amount and we need to limit lpfc_sg_seg_cnt to
5708 * minimize the risk of running out.
5710 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5711 sizeof(struct fcp_rsp
) +
5712 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
5714 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
5715 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
5717 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
5718 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
5721 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5722 * the FCP rsp, a BDE for each, and a BDE for up to
5723 * cfg_sg_seg_cnt data segments.
5725 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5726 sizeof(struct fcp_rsp
) +
5727 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
5729 /* Total BDEs in BPL for scsi_sg_list */
5730 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5733 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5734 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
5735 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5736 phba
->cfg_total_seg_cnt
);
5738 phba
->max_vpi
= LPFC_MAX_VPI
;
5739 /* This will be set to correct value after config_port mbox */
5740 phba
->max_vports
= 0;
5743 * Initialize the SLI Layer to run with lpfc HBAs.
5745 lpfc_sli_setup(phba
);
5746 lpfc_sli_queue_init(phba
);
5748 /* Allocate device driver memory */
5749 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
5753 * Enable sr-iov virtual functions if supported and configured
5754 * through the module parameter.
5756 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5757 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5758 phba
->cfg_sriov_nr_virtfn
);
5760 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5761 "2808 Requested number of SR-IOV "
5762 "virtual functions (%d) is not "
5764 phba
->cfg_sriov_nr_virtfn
);
5765 phba
->cfg_sriov_nr_virtfn
= 0;
5773 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
5774 * @phba: pointer to lpfc hba data structure.
5776 * This routine is invoked to unset the driver internal resources set up
5777 * specific for supporting the SLI-3 HBA device it attached to.
5780 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
5782 /* Free device driver memory allocated */
5783 lpfc_mem_free_all(phba
);
5789 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
5790 * @phba: pointer to lpfc hba data structure.
5792 * This routine is invoked to set up the driver internal resources specific to
5793 * support the SLI-4 HBA device it attached to.
5797 * other values - error
5800 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
5802 LPFC_MBOXQ_t
*mboxq
;
5804 int rc
, i
, max_buf_size
;
5805 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
5806 struct lpfc_mqe
*mqe
;
5808 int fof_vectors
= 0;
5811 phba
->sli4_hba
.num_online_cpu
= num_online_cpus();
5812 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
5813 phba
->sli4_hba
.curr_disp_cpu
= 0;
5815 /* Get all the module params for configuring this host */
5816 lpfc_get_cfgparam(phba
);
5818 /* Set up phase-1 common device driver resources */
5819 rc
= lpfc_setup_driver_resource_phase1(phba
);
5823 /* Before proceed, wait for POST done and device ready */
5824 rc
= lpfc_sli4_post_status_check(phba
);
5829 * Initialize timers used by driver
5832 timer_setup(&phba
->rrq_tmr
, lpfc_rrq_timeout
, 0);
5834 /* FCF rediscover timer */
5835 timer_setup(&phba
->fcf
.redisc_wait
, lpfc_sli4_fcf_redisc_wait_tmo
, 0);
5838 * Control structure for handling external multi-buffer mailbox
5839 * command pass-through.
5841 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
5842 sizeof(struct lpfc_mbox_ext_buf_ctx
));
5843 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
5845 phba
->max_vpi
= LPFC_MAX_VPI
;
5847 /* This will be set to correct value after the read_config mbox */
5848 phba
->max_vports
= 0;
5850 /* Program the default value of vlan_id and fc_map */
5851 phba
->valid_vlan
= 0;
5852 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
5853 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
5854 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
5857 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5858 * we will associate a new ring, for each EQ/CQ/WQ tuple.
5859 * The WQ create will allocate the ring.
5863 * It doesn't matter what family our adapter is in, we are
5864 * limited to 2 Pages, 512 SGEs, for our SGL.
5865 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5867 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
5868 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
5869 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
5872 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size
5873 * used to create the sg_dma_buf_pool must be calculated.
5875 if (phba
->cfg_enable_bg
) {
5877 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd,
5878 * the FCP rsp, and a SGE. Sice we have no control
5879 * over how many protection segments the SCSI Layer
5880 * will hand us (ie: there could be one for every block
5881 * in the IO), just allocate enough SGEs to accomidate
5882 * our max amount and we need to limit lpfc_sg_seg_cnt
5883 * to minimize the risk of running out.
5885 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5886 sizeof(struct fcp_rsp
) + max_buf_size
;
5888 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5889 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
5891 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
5892 phba
->cfg_sg_seg_cnt
=
5893 LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
5896 * The scsi_buf for a regular I/O holds the FCP cmnd,
5897 * the FCP rsp, a SGE for each, and a SGE for up to
5898 * cfg_sg_seg_cnt data segments.
5900 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5901 sizeof(struct fcp_rsp
) +
5902 ((phba
->cfg_sg_seg_cnt
+ 2) *
5903 sizeof(struct sli4_sge
));
5905 /* Total SGEs for scsi_sg_list */
5906 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5909 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only
5910 * need to post 1 page for the SGL.
5914 /* Initialize the host templates with the updated values. */
5915 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5916 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5917 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5919 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5920 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5922 phba
->cfg_sg_dma_buf_size
=
5923 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5925 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5926 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5927 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5928 phba
->cfg_total_seg_cnt
);
5930 /* Initialize buffer queue management fields */
5931 INIT_LIST_HEAD(&phba
->hbqs
[LPFC_ELS_HBQ
].hbq_buffer_list
);
5932 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5933 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5936 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5938 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
5939 /* Initialize the Abort scsi buffer list used by driver */
5940 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5941 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5944 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
5945 /* Initialize the Abort nvme buffer list used by driver */
5946 spin_lock_init(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
5947 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
5948 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
5949 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_io_wait_list
);
5951 /* Fast-path XRI aborted CQ Event work queue list */
5952 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_nvme_xri_aborted_work_queue
);
5955 /* This abort list used by worker thread */
5956 spin_lock_init(&phba
->sli4_hba
.sgl_list_lock
);
5957 spin_lock_init(&phba
->sli4_hba
.nvmet_io_wait_lock
);
5960 * Initialize driver internal slow-path work queues
5963 /* Driver internel slow-path CQ Event pool */
5964 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5965 /* Response IOCB work queue list */
5966 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5967 /* Asynchronous event CQ Event work queue list */
5968 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5969 /* Fast-path XRI aborted CQ Event work queue list */
5970 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5971 /* Slow-path XRI aborted CQ Event work queue list */
5972 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5973 /* Receive queue CQ Event work queue list */
5974 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5976 /* Initialize extent block lists. */
5977 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5978 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5979 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5980 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5982 /* Initialize mboxq lists. If the early init routines fail
5983 * these lists need to be correctly initialized.
5985 INIT_LIST_HEAD(&phba
->sli
.mboxq
);
5986 INIT_LIST_HEAD(&phba
->sli
.mboxq_cmpl
);
5988 /* initialize optic_state to 0xFF */
5989 phba
->sli4_hba
.lnk_info
.optic_state
= 0xff;
5991 /* Allocate device driver memory */
5992 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5996 /* IF Type 2 ports get initialized now. */
5997 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5998 LPFC_SLI_INTF_IF_TYPE_2
) {
5999 rc
= lpfc_pci_function_reset(phba
);
6004 phba
->temp_sensor_support
= 1;
6007 /* Create the bootstrap mailbox command */
6008 rc
= lpfc_create_bootstrap_mbox(phba
);
6012 /* Set up the host's endian order with the device. */
6013 rc
= lpfc_setup_endian_order(phba
);
6015 goto out_free_bsmbx
;
6017 /* Set up the hba's configuration parameters. */
6018 rc
= lpfc_sli4_read_config(phba
);
6020 goto out_free_bsmbx
;
6021 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
6023 goto out_free_bsmbx
;
6025 /* IF Type 0 ports get initialized now. */
6026 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
6027 LPFC_SLI_INTF_IF_TYPE_0
) {
6028 rc
= lpfc_pci_function_reset(phba
);
6030 goto out_free_bsmbx
;
6033 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6037 goto out_free_bsmbx
;
6040 /* Check for NVMET being configured */
6041 phba
->nvmet_support
= 0;
6042 if (lpfc_enable_nvmet_cnt
) {
6044 /* First get WWN of HBA instance */
6045 lpfc_read_nv(phba
, mboxq
);
6046 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6047 if (rc
!= MBX_SUCCESS
) {
6048 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6049 "6016 Mailbox failed , mbxCmd x%x "
6050 "READ_NV, mbxStatus x%x\n",
6051 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
6052 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
6053 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6055 goto out_free_bsmbx
;
6058 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.nodename
,
6060 wwn
= cpu_to_be64(wwn
);
6061 phba
->sli4_hba
.wwnn
.u
.name
= wwn
;
6062 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
,
6064 /* wwn is WWPN of HBA instance */
6065 wwn
= cpu_to_be64(wwn
);
6066 phba
->sli4_hba
.wwpn
.u
.name
= wwn
;
6068 /* Check to see if it matches any module parameter */
6069 for (i
= 0; i
< lpfc_enable_nvmet_cnt
; i
++) {
6070 if (wwn
== lpfc_enable_nvmet
[i
]) {
6071 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
6072 if (lpfc_nvmet_mem_alloc(phba
))
6075 phba
->nvmet_support
= 1; /* a match */
6077 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6078 "6017 NVME Target %016llx\n",
6081 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6082 "6021 Can't enable NVME Target."
6083 " NVME_TARGET_FC infrastructure"
6084 " is not in kernel\n");
6091 lpfc_nvme_mod_param_dep(phba
);
6093 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
6094 lpfc_supported_pages(mboxq
);
6095 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6097 mqe
= &mboxq
->u
.mqe
;
6098 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
6099 LPFC_MAX_SUPPORTED_PAGES
);
6100 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
6101 switch (pn_page
[i
]) {
6102 case LPFC_SLI4_PARAMETERS
:
6103 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
6109 /* Read the port's SLI4 Parameters capabilities if supported. */
6110 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
6111 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
6113 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6115 goto out_free_bsmbx
;
6120 * Get sli4 parameters that override parameters from Port capabilities.
6121 * If this call fails, it isn't critical unless the SLI4 parameters come
6124 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
6126 if (phba
->sli4_hba
.extents_in_use
&&
6127 phba
->sli4_hba
.rpi_hdrs_in_use
) {
6128 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6129 "2999 Unsupported SLI4 Parameters "
6130 "Extents and RPI headers enabled.\n");
6132 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6134 goto out_free_bsmbx
;
6137 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6139 /* Verify OAS is supported */
6140 lpfc_sli4_oas_verify(phba
);
6144 /* Verify all the SLI4 queues */
6145 rc
= lpfc_sli4_queue_verify(phba
);
6147 goto out_free_bsmbx
;
6149 /* Create driver internal CQE event pool */
6150 rc
= lpfc_sli4_cq_event_pool_create(phba
);
6152 goto out_free_bsmbx
;
6154 /* Initialize sgl lists per host */
6155 lpfc_init_sgl_list(phba
);
6157 /* Allocate and initialize active sgl array */
6158 rc
= lpfc_init_active_sgl_array(phba
);
6160 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6161 "1430 Failed to initialize sgl list.\n");
6162 goto out_destroy_cq_event_pool
;
6164 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
6166 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6167 "1432 Failed to initialize rpi headers.\n");
6168 goto out_free_active_sgl
;
6171 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
6172 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
6173 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
6175 if (!phba
->fcf
.fcf_rr_bmask
) {
6176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6177 "2759 Failed allocate memory for FCF round "
6178 "robin failover bmask\n");
6180 goto out_remove_rpi_hdrs
;
6183 phba
->sli4_hba
.hba_eq_hdl
= kcalloc(fof_vectors
+ phba
->io_channel_irqs
,
6184 sizeof(struct lpfc_hba_eq_hdl
),
6186 if (!phba
->sli4_hba
.hba_eq_hdl
) {
6187 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6188 "2572 Failed allocate memory for "
6189 "fast-path per-EQ handle array\n");
6191 goto out_free_fcf_rr_bmask
;
6194 phba
->sli4_hba
.cpu_map
= kcalloc(phba
->sli4_hba
.num_present_cpu
,
6195 sizeof(struct lpfc_vector_map_info
),
6197 if (!phba
->sli4_hba
.cpu_map
) {
6198 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6199 "3327 Failed allocate memory for msi-x "
6200 "interrupt vector mapping\n");
6202 goto out_free_hba_eq_hdl
;
6204 if (lpfc_used_cpu
== NULL
) {
6205 lpfc_used_cpu
= kcalloc(lpfc_present_cpu
, sizeof(uint16_t),
6207 if (!lpfc_used_cpu
) {
6208 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6209 "3335 Failed allocate memory for msi-x "
6210 "interrupt vector mapping\n");
6211 kfree(phba
->sli4_hba
.cpu_map
);
6213 goto out_free_hba_eq_hdl
;
6215 for (i
= 0; i
< lpfc_present_cpu
; i
++)
6216 lpfc_used_cpu
[i
] = LPFC_VECTOR_MAP_EMPTY
;
6220 * Enable sr-iov virtual functions if supported and configured
6221 * through the module parameter.
6223 if (phba
->cfg_sriov_nr_virtfn
> 0) {
6224 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
6225 phba
->cfg_sriov_nr_virtfn
);
6227 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6228 "3020 Requested number of SR-IOV "
6229 "virtual functions (%d) is not "
6231 phba
->cfg_sriov_nr_virtfn
);
6232 phba
->cfg_sriov_nr_virtfn
= 0;
6238 out_free_hba_eq_hdl
:
6239 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6240 out_free_fcf_rr_bmask
:
6241 kfree(phba
->fcf
.fcf_rr_bmask
);
6242 out_remove_rpi_hdrs
:
6243 lpfc_sli4_remove_rpi_hdrs(phba
);
6244 out_free_active_sgl
:
6245 lpfc_free_active_sgl(phba
);
6246 out_destroy_cq_event_pool
:
6247 lpfc_sli4_cq_event_pool_destroy(phba
);
6249 lpfc_destroy_bootstrap_mbox(phba
);
6251 lpfc_mem_free(phba
);
6256 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
6257 * @phba: pointer to lpfc hba data structure.
6259 * This routine is invoked to unset the driver internal resources set up
6260 * specific for supporting the SLI-4 HBA device it attached to.
6263 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
6265 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
6267 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
6268 kfree(phba
->sli4_hba
.cpu_map
);
6269 phba
->sli4_hba
.num_present_cpu
= 0;
6270 phba
->sli4_hba
.num_online_cpu
= 0;
6271 phba
->sli4_hba
.curr_disp_cpu
= 0;
6273 /* Free memory allocated for fast-path work queue handles */
6274 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6276 /* Free the allocated rpi headers. */
6277 lpfc_sli4_remove_rpi_hdrs(phba
);
6278 lpfc_sli4_remove_rpis(phba
);
6280 /* Free eligible FCF index bmask */
6281 kfree(phba
->fcf
.fcf_rr_bmask
);
6283 /* Free the ELS sgl list */
6284 lpfc_free_active_sgl(phba
);
6285 lpfc_free_els_sgl_list(phba
);
6286 lpfc_free_nvmet_sgl_list(phba
);
6288 /* Free the completion queue EQ event pool */
6289 lpfc_sli4_cq_event_release_all(phba
);
6290 lpfc_sli4_cq_event_pool_destroy(phba
);
6292 /* Release resource identifiers. */
6293 lpfc_sli4_dealloc_resource_identifiers(phba
);
6295 /* Free the bsmbx region. */
6296 lpfc_destroy_bootstrap_mbox(phba
);
6298 /* Free the SLI Layer memory with SLI4 HBAs */
6299 lpfc_mem_free_all(phba
);
6301 /* Free the current connect table */
6302 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
6303 &phba
->fcf_conn_rec_list
, list
) {
6304 list_del_init(&conn_entry
->list
);
6312 * lpfc_init_api_table_setup - Set up init api function jump table
6313 * @phba: The hba struct for which this call is being executed.
6314 * @dev_grp: The HBA PCI-Device group number.
6316 * This routine sets up the device INIT interface API function jump table
6319 * Returns: 0 - success, -ENODEV - failure.
6322 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
6324 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
6325 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
6326 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
6328 case LPFC_PCI_DEV_LP
:
6329 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
6330 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
6331 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
6333 case LPFC_PCI_DEV_OC
:
6334 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
6335 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
6336 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
6339 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6340 "1431 Invalid HBA PCI-device group: 0x%x\n",
6349 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
6350 * @phba: pointer to lpfc hba data structure.
6352 * This routine is invoked to set up the driver internal resources after the
6353 * device specific resource setup to support the HBA device it attached to.
6357 * other values - error
6360 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
6364 /* Startup the kernel thread for this host adapter. */
6365 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
6366 "lpfc_worker_%d", phba
->brd_no
);
6367 if (IS_ERR(phba
->worker_thread
)) {
6368 error
= PTR_ERR(phba
->worker_thread
);
6372 /* workqueue for deferred irq use */
6373 phba
->wq
= alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM
, 0);
6379 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
6380 * @phba: pointer to lpfc hba data structure.
6382 * This routine is invoked to unset the driver internal resources set up after
6383 * the device specific resource setup for supporting the HBA device it
6387 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
6390 flush_workqueue(phba
->wq
);
6391 destroy_workqueue(phba
->wq
);
6395 /* Stop kernel worker thread */
6396 kthread_stop(phba
->worker_thread
);
6400 * lpfc_free_iocb_list - Free iocb list.
6401 * @phba: pointer to lpfc hba data structure.
6403 * This routine is invoked to free the driver's IOCB list and memory.
6406 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
6408 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
6410 spin_lock_irq(&phba
->hbalock
);
6411 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
6412 &phba
->lpfc_iocb_list
, list
) {
6413 list_del(&iocbq_entry
->list
);
6415 phba
->total_iocbq_bufs
--;
6417 spin_unlock_irq(&phba
->hbalock
);
6423 * lpfc_init_iocb_list - Allocate and initialize iocb list.
6424 * @phba: pointer to lpfc hba data structure.
6426 * This routine is invoked to allocate and initizlize the driver's IOCB
6427 * list and set up the IOCB tag array accordingly.
6431 * other values - error
6434 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
6436 struct lpfc_iocbq
*iocbq_entry
= NULL
;
6440 /* Initialize and populate the iocb list per host. */
6441 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
6442 for (i
= 0; i
< iocb_count
; i
++) {
6443 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
6444 if (iocbq_entry
== NULL
) {
6445 printk(KERN_ERR
"%s: only allocated %d iocbs of "
6446 "expected %d count. Unloading driver.\n",
6447 __func__
, i
, LPFC_IOCB_LIST_CNT
);
6448 goto out_free_iocbq
;
6451 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
6454 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
6455 "Unloading driver.\n", __func__
);
6456 goto out_free_iocbq
;
6458 iocbq_entry
->sli4_lxritag
= NO_XRI
;
6459 iocbq_entry
->sli4_xritag
= NO_XRI
;
6461 spin_lock_irq(&phba
->hbalock
);
6462 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
6463 phba
->total_iocbq_bufs
++;
6464 spin_unlock_irq(&phba
->hbalock
);
6470 lpfc_free_iocb_list(phba
);
6476 * lpfc_free_sgl_list - Free a given sgl list.
6477 * @phba: pointer to lpfc hba data structure.
6478 * @sglq_list: pointer to the head of sgl list.
6480 * This routine is invoked to free a give sgl list and memory.
6483 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
6485 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
6487 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
6488 list_del(&sglq_entry
->list
);
6489 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
6495 * lpfc_free_els_sgl_list - Free els sgl list.
6496 * @phba: pointer to lpfc hba data structure.
6498 * This routine is invoked to free the driver's els sgl list and memory.
6501 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
6503 LIST_HEAD(sglq_list
);
6505 /* Retrieve all els sgls from driver list */
6506 spin_lock_irq(&phba
->hbalock
);
6507 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6508 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
, &sglq_list
);
6509 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6510 spin_unlock_irq(&phba
->hbalock
);
6512 /* Now free the sgl list */
6513 lpfc_free_sgl_list(phba
, &sglq_list
);
6517 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list.
6518 * @phba: pointer to lpfc hba data structure.
6520 * This routine is invoked to free the driver's nvmet sgl list and memory.
6523 lpfc_free_nvmet_sgl_list(struct lpfc_hba
*phba
)
6525 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
6526 LIST_HEAD(sglq_list
);
6528 /* Retrieve all nvmet sgls from driver list */
6529 spin_lock_irq(&phba
->hbalock
);
6530 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6531 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
, &sglq_list
);
6532 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6533 spin_unlock_irq(&phba
->hbalock
);
6535 /* Now free the sgl list */
6536 list_for_each_entry_safe(sglq_entry
, sglq_next
, &sglq_list
, list
) {
6537 list_del(&sglq_entry
->list
);
6538 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
6542 /* Update the nvmet_xri_cnt to reflect no current sgls.
6543 * The next initialization cycle sets the count and allocates
6544 * the sgls over again.
6546 phba
->sli4_hba
.nvmet_xri_cnt
= 0;
6550 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
6551 * @phba: pointer to lpfc hba data structure.
6553 * This routine is invoked to allocate the driver's active sgl memory.
6554 * This array will hold the sglq_entry's for active IOs.
6557 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
6560 size
= sizeof(struct lpfc_sglq
*);
6561 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
6563 phba
->sli4_hba
.lpfc_sglq_active_list
=
6564 kzalloc(size
, GFP_KERNEL
);
6565 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
6571 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
6572 * @phba: pointer to lpfc hba data structure.
6574 * This routine is invoked to walk through the array of active sglq entries
6575 * and free all of the resources.
6576 * This is just a place holder for now.
6579 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
6581 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
6585 * lpfc_init_sgl_list - Allocate and initialize sgl list.
6586 * @phba: pointer to lpfc hba data structure.
6588 * This routine is invoked to allocate and initizlize the driver's sgl
6589 * list and set up the sgl xritag tag array accordingly.
6593 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
6595 /* Initialize and populate the sglq list per host/VF. */
6596 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_els_sgl_list
);
6597 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
6598 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
6599 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
6601 /* els xri-sgl book keeping */
6602 phba
->sli4_hba
.els_xri_cnt
= 0;
6604 /* scsi xri-buffer book keeping */
6605 phba
->sli4_hba
.scsi_xri_cnt
= 0;
6607 /* nvme xri-buffer book keeping */
6608 phba
->sli4_hba
.nvme_xri_cnt
= 0;
6612 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
6613 * @phba: pointer to lpfc hba data structure.
6615 * This routine is invoked to post rpi header templates to the
6616 * port for those SLI4 ports that do not support extents. This routine
6617 * posts a PAGE_SIZE memory region to the port to hold up to
6618 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
6619 * and should be called only when interrupts are disabled.
6623 * -ERROR - otherwise.
6626 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
6629 struct lpfc_rpi_hdr
*rpi_hdr
;
6631 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6632 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6634 if (phba
->sli4_hba
.extents_in_use
)
6637 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
6639 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6640 "0391 Error during rpi post operation\n");
6641 lpfc_sli4_remove_rpis(phba
);
6649 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
6650 * @phba: pointer to lpfc hba data structure.
6652 * This routine is invoked to allocate a single 4KB memory region to
6653 * support rpis and stores them in the phba. This single region
6654 * provides support for up to 64 rpis. The region is used globally
6658 * A valid rpi hdr on success.
6659 * A NULL pointer on any failure.
6661 struct lpfc_rpi_hdr
*
6662 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
6664 uint16_t rpi_limit
, curr_rpi_range
;
6665 struct lpfc_dmabuf
*dmabuf
;
6666 struct lpfc_rpi_hdr
*rpi_hdr
;
6669 * If the SLI4 port supports extents, posting the rpi header isn't
6670 * required. Set the expected maximum count and let the actual value
6671 * get set when extents are fully allocated.
6673 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6675 if (phba
->sli4_hba
.extents_in_use
)
6678 /* The limit on the logical index is just the max_rpi count. */
6679 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
6681 spin_lock_irq(&phba
->hbalock
);
6683 * Establish the starting RPI in this header block. The starting
6684 * rpi is normalized to a zero base because the physical rpi is
6687 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
6688 spin_unlock_irq(&phba
->hbalock
);
6690 /* Reached full RPI range */
6691 if (curr_rpi_range
== rpi_limit
)
6695 * First allocate the protocol header region for the port. The
6696 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
6698 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6702 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
6703 LPFC_HDR_TEMPLATE_SIZE
,
6704 &dmabuf
->phys
, GFP_KERNEL
);
6705 if (!dmabuf
->virt
) {
6707 goto err_free_dmabuf
;
6710 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
6712 goto err_free_coherent
;
6715 /* Save the rpi header data for cleanup later. */
6716 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
6718 goto err_free_coherent
;
6720 rpi_hdr
->dmabuf
= dmabuf
;
6721 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
6722 rpi_hdr
->page_count
= 1;
6723 spin_lock_irq(&phba
->hbalock
);
6725 /* The rpi_hdr stores the logical index only. */
6726 rpi_hdr
->start_rpi
= curr_rpi_range
;
6727 rpi_hdr
->next_rpi
= phba
->sli4_hba
.next_rpi
+ LPFC_RPI_HDR_COUNT
;
6728 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6730 spin_unlock_irq(&phba
->hbalock
);
6734 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
6735 dmabuf
->virt
, dmabuf
->phys
);
6742 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
6743 * @phba: pointer to lpfc hba data structure.
6745 * This routine is invoked to remove all memory resources allocated
6746 * to support rpis for SLI4 ports not supporting extents. This routine
6747 * presumes the caller has released all rpis consumed by fabric or port
6748 * logins and is prepared to have the header pages removed.
6751 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
6753 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
6755 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6758 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
6759 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
6760 list_del(&rpi_hdr
->list
);
6761 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
6762 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
6763 kfree(rpi_hdr
->dmabuf
);
6767 /* There are no rpis available to the port now. */
6768 phba
->sli4_hba
.next_rpi
= 0;
6772 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
6773 * @pdev: pointer to pci device data structure.
6775 * This routine is invoked to allocate the driver hba data structure for an
6776 * HBA device. If the allocation is successful, the phba reference to the
6777 * PCI device data structure is set.
6780 * pointer to @phba - successful
6783 static struct lpfc_hba
*
6784 lpfc_hba_alloc(struct pci_dev
*pdev
)
6786 struct lpfc_hba
*phba
;
6788 /* Allocate memory for HBA structure */
6789 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
6791 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
6795 /* Set reference to PCI device in HBA structure */
6796 phba
->pcidev
= pdev
;
6798 /* Assign an unused board number */
6799 phba
->brd_no
= lpfc_get_instance();
6800 if (phba
->brd_no
< 0) {
6804 phba
->eratt_poll_interval
= LPFC_ERATT_POLL_INTERVAL
;
6806 spin_lock_init(&phba
->ct_ev_lock
);
6807 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
6813 * lpfc_hba_free - Free driver hba data structure with a device.
6814 * @phba: pointer to lpfc hba data structure.
6816 * This routine is invoked to free the driver hba data structure with an
6820 lpfc_hba_free(struct lpfc_hba
*phba
)
6822 /* Release the driver assigned board number */
6823 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
6825 /* Free memory allocated with sli3 rings */
6826 kfree(phba
->sli
.sli3_ring
);
6827 phba
->sli
.sli3_ring
= NULL
;
6834 * lpfc_create_shost - Create hba physical port with associated scsi host.
6835 * @phba: pointer to lpfc hba data structure.
6837 * This routine is invoked to create HBA physical port and associate a SCSI
6842 * other values - error
6845 lpfc_create_shost(struct lpfc_hba
*phba
)
6847 struct lpfc_vport
*vport
;
6848 struct Scsi_Host
*shost
;
6850 /* Initialize HBA FC structure */
6851 phba
->fc_edtov
= FF_DEF_EDTOV
;
6852 phba
->fc_ratov
= FF_DEF_RATOV
;
6853 phba
->fc_altov
= FF_DEF_ALTOV
;
6854 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
6856 atomic_set(&phba
->sdev_cnt
, 0);
6857 atomic_set(&phba
->fc4ScsiInputRequests
, 0);
6858 atomic_set(&phba
->fc4ScsiOutputRequests
, 0);
6859 atomic_set(&phba
->fc4ScsiControlRequests
, 0);
6860 atomic_set(&phba
->fc4ScsiIoCmpls
, 0);
6861 atomic_set(&phba
->fc4NvmeInputRequests
, 0);
6862 atomic_set(&phba
->fc4NvmeOutputRequests
, 0);
6863 atomic_set(&phba
->fc4NvmeControlRequests
, 0);
6864 atomic_set(&phba
->fc4NvmeIoCmpls
, 0);
6865 atomic_set(&phba
->fc4NvmeLsRequests
, 0);
6866 atomic_set(&phba
->fc4NvmeLsCmpls
, 0);
6867 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
6871 shost
= lpfc_shost_from_vport(vport
);
6872 phba
->pport
= vport
;
6874 if (phba
->nvmet_support
) {
6875 /* Only 1 vport (pport) will support NVME target */
6876 if (phba
->txrdy_payload_pool
== NULL
) {
6877 phba
->txrdy_payload_pool
= dma_pool_create(
6878 "txrdy_pool", &phba
->pcidev
->dev
,
6879 TXRDY_PAYLOAD_LEN
, 16, 0);
6880 if (phba
->txrdy_payload_pool
) {
6881 phba
->targetport
= NULL
;
6882 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_NVME
;
6883 lpfc_printf_log(phba
, KERN_INFO
,
6884 LOG_INIT
| LOG_NVME_DISC
,
6885 "6076 NVME Target Found\n");
6890 lpfc_debugfs_initialize(vport
);
6891 /* Put reference to SCSI host to driver's device private data */
6892 pci_set_drvdata(phba
->pcidev
, shost
);
6895 * At this point we are fully registered with PSA. In addition,
6896 * any initial discovery should be completed.
6898 vport
->load_flag
|= FC_ALLOW_FDMI
;
6899 if (phba
->cfg_enable_SmartSAN
||
6900 (phba
->cfg_fdmi_on
== LPFC_FDMI_SUPPORT
)) {
6902 /* Setup appropriate attribute masks */
6903 vport
->fdmi_hba_mask
= LPFC_FDMI2_HBA_ATTR
;
6904 if (phba
->cfg_enable_SmartSAN
)
6905 vport
->fdmi_port_mask
= LPFC_FDMI2_SMART_ATTR
;
6907 vport
->fdmi_port_mask
= LPFC_FDMI2_PORT_ATTR
;
6913 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6914 * @phba: pointer to lpfc hba data structure.
6916 * This routine is invoked to destroy HBA physical port and the associated
6920 lpfc_destroy_shost(struct lpfc_hba
*phba
)
6922 struct lpfc_vport
*vport
= phba
->pport
;
6924 /* Destroy physical port that associated with the SCSI host */
6925 destroy_port(vport
);
6931 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6932 * @phba: pointer to lpfc hba data structure.
6933 * @shost: the shost to be used to detect Block guard settings.
6935 * This routine sets up the local Block guard protocol settings for @shost.
6936 * This routine also allocates memory for debugging bg buffers.
6939 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
6945 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
6946 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6947 "1478 Registering BlockGuard with the "
6950 old_mask
= phba
->cfg_prot_mask
;
6951 old_guard
= phba
->cfg_prot_guard
;
6953 /* Only allow supported values */
6954 phba
->cfg_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
6955 SHOST_DIX_TYPE0_PROTECTION
|
6956 SHOST_DIX_TYPE1_PROTECTION
);
6957 phba
->cfg_prot_guard
&= (SHOST_DIX_GUARD_IP
|
6958 SHOST_DIX_GUARD_CRC
);
6960 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6961 if (phba
->cfg_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
6962 phba
->cfg_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
6964 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
6965 if ((old_mask
!= phba
->cfg_prot_mask
) ||
6966 (old_guard
!= phba
->cfg_prot_guard
))
6967 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6968 "1475 Registering BlockGuard with the "
6969 "SCSI layer: mask %d guard %d\n",
6970 phba
->cfg_prot_mask
,
6971 phba
->cfg_prot_guard
);
6973 scsi_host_set_prot(shost
, phba
->cfg_prot_mask
);
6974 scsi_host_set_guard(shost
, phba
->cfg_prot_guard
);
6976 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6977 "1479 Not Registering BlockGuard with the SCSI "
6978 "layer, Bad protection parameters: %d %d\n",
6979 old_mask
, old_guard
);
6982 if (!_dump_buf_data
) {
6984 spin_lock_init(&_dump_buf_lock
);
6986 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6987 if (_dump_buf_data
) {
6988 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6989 "9043 BLKGRD: allocated %d pages for "
6990 "_dump_buf_data at 0x%p\n",
6991 (1 << pagecnt
), _dump_buf_data
);
6992 _dump_buf_data_order
= pagecnt
;
6993 memset(_dump_buf_data
, 0,
6994 ((1 << PAGE_SHIFT
) << pagecnt
));
6999 if (!_dump_buf_data_order
)
7000 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7001 "9044 BLKGRD: ERROR unable to allocate "
7002 "memory for hexdump\n");
7004 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7005 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
7006 "\n", _dump_buf_data
);
7007 if (!_dump_buf_dif
) {
7010 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
7011 if (_dump_buf_dif
) {
7012 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7013 "9046 BLKGRD: allocated %d pages for "
7014 "_dump_buf_dif at 0x%p\n",
7015 (1 << pagecnt
), _dump_buf_dif
);
7016 _dump_buf_dif_order
= pagecnt
;
7017 memset(_dump_buf_dif
, 0,
7018 ((1 << PAGE_SHIFT
) << pagecnt
));
7023 if (!_dump_buf_dif_order
)
7024 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7025 "9047 BLKGRD: ERROR unable to allocate "
7026 "memory for hexdump\n");
7028 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7029 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
7034 * lpfc_post_init_setup - Perform necessary device post initialization setup.
7035 * @phba: pointer to lpfc hba data structure.
7037 * This routine is invoked to perform all the necessary post initialization
7038 * setup for the device.
7041 lpfc_post_init_setup(struct lpfc_hba
*phba
)
7043 struct Scsi_Host
*shost
;
7044 struct lpfc_adapter_event_header adapter_event
;
7046 /* Get the default values for Model Name and Description */
7047 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
7050 * hba setup may have changed the hba_queue_depth so we need to
7051 * adjust the value of can_queue.
7053 shost
= pci_get_drvdata(phba
->pcidev
);
7054 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
7055 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
7056 lpfc_setup_bg(phba
, shost
);
7058 lpfc_host_attrib_init(shost
);
7060 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
7061 spin_lock_irq(shost
->host_lock
);
7062 lpfc_poll_start_timer(phba
);
7063 spin_unlock_irq(shost
->host_lock
);
7066 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7067 "0428 Perform SCSI scan\n");
7068 /* Send board arrival event to upper layer */
7069 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
7070 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
7071 fc_host_post_vendor_event(shost
, fc_get_event_number(),
7072 sizeof(adapter_event
),
7073 (char *) &adapter_event
,
7079 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
7080 * @phba: pointer to lpfc hba data structure.
7082 * This routine is invoked to set up the PCI device memory space for device
7083 * with SLI-3 interface spec.
7087 * other values - error
7090 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
7092 struct pci_dev
*pdev
;
7093 unsigned long bar0map_len
, bar2map_len
;
7096 int error
= -ENODEV
;
7098 /* Obtain PCI device reference */
7102 pdev
= phba
->pcidev
;
7104 /* Set the device DMA mask size */
7105 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7106 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7107 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7108 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7113 /* Get the bus address of Bar0 and Bar2 and the number of bytes
7114 * required by each mapping.
7116 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7117 bar0map_len
= pci_resource_len(pdev
, 0);
7119 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
7120 bar2map_len
= pci_resource_len(pdev
, 2);
7122 /* Map HBA SLIM to a kernel virtual address. */
7123 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
7124 if (!phba
->slim_memmap_p
) {
7125 dev_printk(KERN_ERR
, &pdev
->dev
,
7126 "ioremap failed for SLIM memory.\n");
7130 /* Map HBA Control Registers to a kernel virtual address. */
7131 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
7132 if (!phba
->ctrl_regs_memmap_p
) {
7133 dev_printk(KERN_ERR
, &pdev
->dev
,
7134 "ioremap failed for HBA control registers.\n");
7135 goto out_iounmap_slim
;
7138 /* Allocate memory for SLI-2 structures */
7139 phba
->slim2p
.virt
= dma_zalloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7140 &phba
->slim2p
.phys
, GFP_KERNEL
);
7141 if (!phba
->slim2p
.virt
)
7144 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
7145 phba
->mbox_ext
= (phba
->slim2p
.virt
+
7146 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
7147 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
7148 phba
->IOCBs
= (phba
->slim2p
.virt
+
7149 offsetof(struct lpfc_sli2_slim
, IOCBs
));
7151 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
7152 lpfc_sli_hbq_size(),
7153 &phba
->hbqslimp
.phys
,
7155 if (!phba
->hbqslimp
.virt
)
7158 hbq_count
= lpfc_sli_hbq_count();
7159 ptr
= phba
->hbqslimp
.virt
;
7160 for (i
= 0; i
< hbq_count
; ++i
) {
7161 phba
->hbqs
[i
].hbq_virt
= ptr
;
7162 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
7163 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
7164 sizeof(struct lpfc_hbq_entry
));
7166 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
7167 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
7169 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
7171 phba
->MBslimaddr
= phba
->slim_memmap_p
;
7172 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
7173 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
7174 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
7175 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
7180 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7181 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7183 iounmap(phba
->ctrl_regs_memmap_p
);
7185 iounmap(phba
->slim_memmap_p
);
7191 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
7192 * @phba: pointer to lpfc hba data structure.
7194 * This routine is invoked to unset the PCI device memory space for device
7195 * with SLI-3 interface spec.
7198 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
7200 struct pci_dev
*pdev
;
7202 /* Obtain PCI device reference */
7206 pdev
= phba
->pcidev
;
7208 /* Free coherent DMA memory allocated */
7209 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7210 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7211 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7212 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7214 /* I/O memory unmap */
7215 iounmap(phba
->ctrl_regs_memmap_p
);
7216 iounmap(phba
->slim_memmap_p
);
7222 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
7223 * @phba: pointer to lpfc hba data structure.
7225 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
7226 * done and check status.
7228 * Return 0 if successful, otherwise -ENODEV.
7231 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
7233 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
7234 struct lpfc_register reg_data
;
7235 int i
, port_error
= 0;
7238 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
7239 memset(®_data
, 0, sizeof(reg_data
));
7240 if (!phba
->sli4_hba
.PSMPHRregaddr
)
7243 /* Wait up to 30 seconds for the SLI Port POST done and ready */
7244 for (i
= 0; i
< 3000; i
++) {
7245 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
7246 &portsmphr_reg
.word0
) ||
7247 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
7248 /* Port has a fatal POST error, break out */
7249 port_error
= -ENODEV
;
7252 if (LPFC_POST_STAGE_PORT_READY
==
7253 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
7259 * If there was a port error during POST, then don't proceed with
7260 * other register reads as the data may not be valid. Just exit.
7263 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7264 "1408 Port Failed POST - portsmphr=0x%x, "
7265 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
7266 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
7267 portsmphr_reg
.word0
,
7268 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
7269 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
7270 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
7271 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
7272 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
7273 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
7274 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
7275 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
7277 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7278 "2534 Device Info: SLIFamily=0x%x, "
7279 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
7280 "SLIHint_2=0x%x, FT=0x%x\n",
7281 bf_get(lpfc_sli_intf_sli_family
,
7282 &phba
->sli4_hba
.sli_intf
),
7283 bf_get(lpfc_sli_intf_slirev
,
7284 &phba
->sli4_hba
.sli_intf
),
7285 bf_get(lpfc_sli_intf_if_type
,
7286 &phba
->sli4_hba
.sli_intf
),
7287 bf_get(lpfc_sli_intf_sli_hint1
,
7288 &phba
->sli4_hba
.sli_intf
),
7289 bf_get(lpfc_sli_intf_sli_hint2
,
7290 &phba
->sli4_hba
.sli_intf
),
7291 bf_get(lpfc_sli_intf_func_type
,
7292 &phba
->sli4_hba
.sli_intf
));
7294 * Check for other Port errors during the initialization
7295 * process. Fail the load if the port did not come up
7298 if_type
= bf_get(lpfc_sli_intf_if_type
,
7299 &phba
->sli4_hba
.sli_intf
);
7301 case LPFC_SLI_INTF_IF_TYPE_0
:
7302 phba
->sli4_hba
.ue_mask_lo
=
7303 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
7304 phba
->sli4_hba
.ue_mask_hi
=
7305 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
7307 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
7309 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
7310 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
7311 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
7312 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7313 "1422 Unrecoverable Error "
7314 "Detected during POST "
7315 "uerr_lo_reg=0x%x, "
7316 "uerr_hi_reg=0x%x, "
7317 "ue_mask_lo_reg=0x%x, "
7318 "ue_mask_hi_reg=0x%x\n",
7321 phba
->sli4_hba
.ue_mask_lo
,
7322 phba
->sli4_hba
.ue_mask_hi
);
7323 port_error
= -ENODEV
;
7326 case LPFC_SLI_INTF_IF_TYPE_2
:
7327 /* Final checks. The port status should be clean. */
7328 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
7330 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
7331 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
7332 phba
->work_status
[0] =
7333 readl(phba
->sli4_hba
.u
.if_type2
.
7335 phba
->work_status
[1] =
7336 readl(phba
->sli4_hba
.u
.if_type2
.
7338 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7339 "2888 Unrecoverable port error "
7340 "following POST: port status reg "
7341 "0x%x, port_smphr reg 0x%x, "
7342 "error 1=0x%x, error 2=0x%x\n",
7344 portsmphr_reg
.word0
,
7345 phba
->work_status
[0],
7346 phba
->work_status
[1]);
7347 port_error
= -ENODEV
;
7350 case LPFC_SLI_INTF_IF_TYPE_1
:
7359 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
7360 * @phba: pointer to lpfc hba data structure.
7361 * @if_type: The SLI4 interface type getting configured.
7363 * This routine is invoked to set up SLI4 BAR0 PCI config space register
7367 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
7370 case LPFC_SLI_INTF_IF_TYPE_0
:
7371 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
7372 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
7373 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
7374 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
7375 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
7376 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
7377 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
7378 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
7379 phba
->sli4_hba
.SLIINTFregaddr
=
7380 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7382 case LPFC_SLI_INTF_IF_TYPE_2
:
7383 phba
->sli4_hba
.u
.if_type2
.EQDregaddr
=
7384 phba
->sli4_hba
.conf_regs_memmap_p
+
7385 LPFC_CTL_PORT_EQ_DELAY_OFFSET
;
7386 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
7387 phba
->sli4_hba
.conf_regs_memmap_p
+
7388 LPFC_CTL_PORT_ER1_OFFSET
;
7389 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
7390 phba
->sli4_hba
.conf_regs_memmap_p
+
7391 LPFC_CTL_PORT_ER2_OFFSET
;
7392 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
7393 phba
->sli4_hba
.conf_regs_memmap_p
+
7394 LPFC_CTL_PORT_CTL_OFFSET
;
7395 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
7396 phba
->sli4_hba
.conf_regs_memmap_p
+
7397 LPFC_CTL_PORT_STA_OFFSET
;
7398 phba
->sli4_hba
.SLIINTFregaddr
=
7399 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7400 phba
->sli4_hba
.PSMPHRregaddr
=
7401 phba
->sli4_hba
.conf_regs_memmap_p
+
7402 LPFC_CTL_PORT_SEM_OFFSET
;
7403 phba
->sli4_hba
.RQDBregaddr
=
7404 phba
->sli4_hba
.conf_regs_memmap_p
+
7405 LPFC_ULP0_RQ_DOORBELL
;
7406 phba
->sli4_hba
.WQDBregaddr
=
7407 phba
->sli4_hba
.conf_regs_memmap_p
+
7408 LPFC_ULP0_WQ_DOORBELL
;
7409 phba
->sli4_hba
.EQCQDBregaddr
=
7410 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
7411 phba
->sli4_hba
.MQDBregaddr
=
7412 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
7413 phba
->sli4_hba
.BMBXregaddr
=
7414 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
7416 case LPFC_SLI_INTF_IF_TYPE_1
:
7418 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7419 "FATAL - unsupported SLI4 interface type - %d\n",
7426 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
7427 * @phba: pointer to lpfc hba data structure.
7429 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
7433 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
7435 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7436 LPFC_SLIPORT_IF0_SMPHR
;
7437 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7439 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7441 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
7446 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
7447 * @phba: pointer to lpfc hba data structure.
7448 * @vf: virtual function number
7450 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
7451 * based on the given viftual function number, @vf.
7453 * Return 0 if successful, otherwise -ENODEV.
7456 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
7458 if (vf
> LPFC_VIR_FUNC_MAX
)
7461 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7462 vf
* LPFC_VFR_PAGE_SIZE
+
7463 LPFC_ULP0_RQ_DOORBELL
);
7464 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7465 vf
* LPFC_VFR_PAGE_SIZE
+
7466 LPFC_ULP0_WQ_DOORBELL
);
7467 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7468 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
7469 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7470 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
7471 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
7472 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
7477 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
7478 * @phba: pointer to lpfc hba data structure.
7480 * This routine is invoked to create the bootstrap mailbox
7481 * region consistent with the SLI-4 interface spec. This
7482 * routine allocates all memory necessary to communicate
7483 * mailbox commands to the port and sets up all alignment
7484 * needs. No locks are expected to be held when calling
7489 * -ENOMEM - could not allocated memory.
7492 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
7495 struct lpfc_dmabuf
*dmabuf
;
7496 struct dma_address
*dma_address
;
7500 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
7505 * The bootstrap mailbox region is comprised of 2 parts
7506 * plus an alignment restriction of 16 bytes.
7508 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
7509 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
7510 &dmabuf
->phys
, GFP_KERNEL
);
7511 if (!dmabuf
->virt
) {
7517 * Initialize the bootstrap mailbox pointers now so that the register
7518 * operations are simple later. The mailbox dma address is required
7519 * to be 16-byte aligned. Also align the virtual memory as each
7520 * maibox is copied into the bmbx mailbox region before issuing the
7521 * command to the port.
7523 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
7524 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
7526 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
7527 LPFC_ALIGN_16_BYTE
);
7528 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
7529 LPFC_ALIGN_16_BYTE
);
7532 * Set the high and low physical addresses now. The SLI4 alignment
7533 * requirement is 16 bytes and the mailbox is posted to the port
7534 * as two 30-bit addresses. The other data is a bit marking whether
7535 * the 30-bit address is the high or low address.
7536 * Upcast bmbx aphys to 64bits so shift instruction compiles
7537 * clean on 32 bit machines.
7539 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
7540 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
7541 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
7542 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
7543 LPFC_BMBX_BIT1_ADDR_HI
);
7545 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
7546 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
7547 LPFC_BMBX_BIT1_ADDR_LO
);
7552 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
7553 * @phba: pointer to lpfc hba data structure.
7555 * This routine is invoked to teardown the bootstrap mailbox
7556 * region and release all host resources. This routine requires
7557 * the caller to ensure all mailbox commands recovered, no
7558 * additional mailbox comands are sent, and interrupts are disabled
7559 * before calling this routine.
7563 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
7565 dma_free_coherent(&phba
->pcidev
->dev
,
7566 phba
->sli4_hba
.bmbx
.bmbx_size
,
7567 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
7568 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
7570 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
7571 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
7575 * lpfc_sli4_read_config - Get the config parameters.
7576 * @phba: pointer to lpfc hba data structure.
7578 * This routine is invoked to read the configuration parameters from the HBA.
7579 * The configuration parameters are used to set the base and maximum values
7580 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
7581 * allocation for the port.
7585 * -ENOMEM - No available memory
7586 * -EIO - The mailbox failed to complete successfully.
7589 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
7592 struct lpfc_mbx_read_config
*rd_config
;
7593 union lpfc_sli4_cfg_shdr
*shdr
;
7594 uint32_t shdr_status
, shdr_add_status
;
7595 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
7596 struct lpfc_rsrc_desc_fcfcoe
*desc
;
7598 uint16_t forced_link_speed
;
7600 int length
, i
, rc
= 0, rc2
;
7602 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7604 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7605 "2011 Unable to allocate memory for issuing "
7606 "SLI_CONFIG_SPECIAL mailbox command\n");
7610 lpfc_read_config(phba
, pmb
);
7612 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7613 if (rc
!= MBX_SUCCESS
) {
7614 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7615 "2012 Mailbox failed , mbxCmd x%x "
7616 "READ_CONFIG, mbxStatus x%x\n",
7617 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
7618 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
7621 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
7622 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
7623 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
7624 phba
->sli4_hba
.lnk_info
.lnk_tp
=
7625 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
7626 phba
->sli4_hba
.lnk_info
.lnk_no
=
7627 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
7628 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7629 "3081 lnk_type:%d, lnk_numb:%d\n",
7630 phba
->sli4_hba
.lnk_info
.lnk_tp
,
7631 phba
->sli4_hba
.lnk_info
.lnk_no
);
7633 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
7634 "3082 Mailbox (x%x) returned ldv:x0\n",
7635 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
7636 if (bf_get(lpfc_mbx_rd_conf_bbscn_def
, rd_config
)) {
7637 phba
->bbcredit_support
= 1;
7638 phba
->sli4_hba
.bbscn_params
.word0
= rd_config
->word8
;
7641 phba
->sli4_hba
.extents_in_use
=
7642 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
7643 phba
->sli4_hba
.max_cfg_param
.max_xri
=
7644 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
7645 phba
->sli4_hba
.max_cfg_param
.xri_base
=
7646 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
7647 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
7648 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
7649 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
7650 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
7651 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
7652 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
7653 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
7654 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
7655 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
7656 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
7657 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
7658 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
7659 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
7660 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
7661 phba
->sli4_hba
.max_cfg_param
.max_eq
=
7662 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
7663 phba
->sli4_hba
.max_cfg_param
.max_rq
=
7664 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
7665 phba
->sli4_hba
.max_cfg_param
.max_wq
=
7666 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
7667 phba
->sli4_hba
.max_cfg_param
.max_cq
=
7668 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
7669 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
7670 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
7671 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
7672 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
7673 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
7674 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
7675 phba
->max_vports
= phba
->max_vpi
;
7676 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7677 "2003 cfg params Extents? %d "
7682 "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n",
7683 phba
->sli4_hba
.extents_in_use
,
7684 phba
->sli4_hba
.max_cfg_param
.xri_base
,
7685 phba
->sli4_hba
.max_cfg_param
.max_xri
,
7686 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
7687 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
7688 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
7689 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
7690 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
7691 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
7692 phba
->sli4_hba
.max_cfg_param
.max_fcfi
,
7693 phba
->sli4_hba
.max_cfg_param
.max_eq
,
7694 phba
->sli4_hba
.max_cfg_param
.max_cq
,
7695 phba
->sli4_hba
.max_cfg_param
.max_wq
,
7696 phba
->sli4_hba
.max_cfg_param
.max_rq
);
7703 /* Update link speed if forced link speed is supported */
7704 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7705 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7707 bf_get(lpfc_mbx_rd_conf_link_speed
, rd_config
);
7708 if (forced_link_speed
) {
7709 phba
->hba_flag
|= HBA_FORCED_LINK_SPEED
;
7711 switch (forced_link_speed
) {
7713 phba
->cfg_link_speed
=
7714 LPFC_USER_LINK_SPEED_1G
;
7717 phba
->cfg_link_speed
=
7718 LPFC_USER_LINK_SPEED_2G
;
7721 phba
->cfg_link_speed
=
7722 LPFC_USER_LINK_SPEED_4G
;
7725 phba
->cfg_link_speed
=
7726 LPFC_USER_LINK_SPEED_8G
;
7728 case LINK_SPEED_10G
:
7729 phba
->cfg_link_speed
=
7730 LPFC_USER_LINK_SPEED_10G
;
7732 case LINK_SPEED_16G
:
7733 phba
->cfg_link_speed
=
7734 LPFC_USER_LINK_SPEED_16G
;
7736 case LINK_SPEED_32G
:
7737 phba
->cfg_link_speed
=
7738 LPFC_USER_LINK_SPEED_32G
;
7741 phba
->cfg_link_speed
=
7742 LPFC_USER_LINK_SPEED_AUTO
;
7745 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7746 "0047 Unrecognized link "
7749 phba
->cfg_link_speed
=
7750 LPFC_USER_LINK_SPEED_AUTO
;
7755 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
7756 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
7757 lpfc_sli4_get_els_iocb_cnt(phba
);
7758 if (phba
->cfg_hba_queue_depth
> length
) {
7759 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7760 "3361 HBA queue depth changed from %d to %d\n",
7761 phba
->cfg_hba_queue_depth
, length
);
7762 phba
->cfg_hba_queue_depth
= length
;
7765 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
7766 LPFC_SLI_INTF_IF_TYPE_2
)
7769 /* get the pf# and vf# for SLI4 if_type 2 port */
7770 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
7771 sizeof(struct lpfc_sli4_cfg_mhdr
));
7772 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7773 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
7774 length
, LPFC_SLI4_MBX_EMBED
);
7776 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7777 shdr
= (union lpfc_sli4_cfg_shdr
*)
7778 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7779 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7780 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7781 if (rc2
|| shdr_status
|| shdr_add_status
) {
7782 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7783 "3026 Mailbox failed , mbxCmd x%x "
7784 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
7785 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
7786 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
7790 /* search for fc_fcoe resrouce descriptor */
7791 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
7793 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
7794 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
7795 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
7796 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
7797 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
7798 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
7801 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
7802 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
7803 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
7804 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
7805 phba
->sli4_hba
.iov
.pf_number
=
7806 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
7807 phba
->sli4_hba
.iov
.vf_number
=
7808 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
7813 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
7814 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7815 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
7816 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
7817 phba
->sli4_hba
.iov
.vf_number
);
7819 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7820 "3028 GET_FUNCTION_CONFIG: failed to find "
7821 "Resrouce Descriptor:x%x\n",
7822 LPFC_RSRC_DESC_TYPE_FCFCOE
);
7825 mempool_free(pmb
, phba
->mbox_mem_pool
);
7830 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
7831 * @phba: pointer to lpfc hba data structure.
7833 * This routine is invoked to setup the port-side endian order when
7834 * the port if_type is 0. This routine has no function for other
7839 * -ENOMEM - No available memory
7840 * -EIO - The mailbox failed to complete successfully.
7843 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
7845 LPFC_MBOXQ_t
*mboxq
;
7846 uint32_t if_type
, rc
= 0;
7847 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
7848 HOST_ENDIAN_HIGH_WORD1
};
7850 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7852 case LPFC_SLI_INTF_IF_TYPE_0
:
7853 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7856 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7857 "0492 Unable to allocate memory for "
7858 "issuing SLI_CONFIG_SPECIAL mailbox "
7864 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
7865 * two words to contain special data values and no other data.
7867 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
7868 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
7869 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7870 if (rc
!= MBX_SUCCESS
) {
7871 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7872 "0493 SLI_CONFIG_SPECIAL mailbox "
7873 "failed with status x%x\n",
7877 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7879 case LPFC_SLI_INTF_IF_TYPE_2
:
7880 case LPFC_SLI_INTF_IF_TYPE_1
:
7888 * lpfc_sli4_queue_verify - Verify and update EQ counts
7889 * @phba: pointer to lpfc hba data structure.
7891 * This routine is invoked to check the user settable queue counts for EQs.
7892 * After this routine is called the counts will be set to valid values that
7893 * adhere to the constraints of the system's interrupt vectors and the port's
7898 * -ENOMEM - No available memory
7901 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
7904 int fof_vectors
= phba
->cfg_fof
? 1 : 0;
7907 * Sanity check for configured queue parameters against the run-time
7911 /* Sanity check on HBA EQ parameters */
7912 io_channel
= phba
->io_channel_irqs
;
7914 if (phba
->sli4_hba
.num_online_cpu
< io_channel
) {
7915 lpfc_printf_log(phba
,
7917 "3188 Reducing IO channels to match number of "
7918 "online CPUs: from %d to %d\n",
7919 io_channel
, phba
->sli4_hba
.num_online_cpu
);
7920 io_channel
= phba
->sli4_hba
.num_online_cpu
;
7923 if (io_channel
+ fof_vectors
> phba
->sli4_hba
.max_cfg_param
.max_eq
) {
7924 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7925 "2575 Reducing IO channels to match number of "
7926 "available EQs: from %d to %d\n",
7928 phba
->sli4_hba
.max_cfg_param
.max_eq
);
7929 io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
- fof_vectors
;
7932 /* The actual number of FCP / NVME event queues adopted */
7933 if (io_channel
!= phba
->io_channel_irqs
)
7934 phba
->io_channel_irqs
= io_channel
;
7935 if (phba
->cfg_fcp_io_channel
> io_channel
)
7936 phba
->cfg_fcp_io_channel
= io_channel
;
7937 if (phba
->cfg_nvme_io_channel
> io_channel
)
7938 phba
->cfg_nvme_io_channel
= io_channel
;
7939 if (phba
->cfg_nvme_io_channel
< phba
->cfg_nvmet_mrq
)
7940 phba
->cfg_nvmet_mrq
= phba
->cfg_nvme_io_channel
;
7942 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7943 "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n",
7944 phba
->io_channel_irqs
, phba
->cfg_fcp_io_channel
,
7945 phba
->cfg_nvme_io_channel
, phba
->cfg_nvmet_mrq
);
7947 /* Get EQ depth from module parameter, fake the default for now */
7948 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7949 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7951 /* Get CQ depth from module parameter, fake the default for now */
7952 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7953 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7958 lpfc_alloc_nvme_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
7960 struct lpfc_queue
*qdesc
;
7963 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7964 phba
->sli4_hba
.cq_ecount
);
7966 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7967 "0508 Failed allocate fast-path NVME CQ (%d)\n",
7971 phba
->sli4_hba
.nvme_cq
[wqidx
] = qdesc
;
7973 cnt
= LPFC_NVME_WQSIZE
;
7974 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_WQE128_SIZE
, cnt
);
7976 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7977 "0509 Failed allocate fast-path NVME WQ (%d)\n",
7981 phba
->sli4_hba
.nvme_wq
[wqidx
] = qdesc
;
7982 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
7987 lpfc_alloc_fcp_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
7989 struct lpfc_queue
*qdesc
;
7992 /* Create Fast Path FCP CQs */
7993 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7994 phba
->sli4_hba
.cq_ecount
);
7996 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7997 "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx
);
8000 phba
->sli4_hba
.fcp_cq
[wqidx
] = qdesc
;
8002 /* Create Fast Path FCP WQs */
8003 wqesize
= (phba
->fcp_embed_io
) ?
8004 LPFC_WQE128_SIZE
: phba
->sli4_hba
.wq_esize
;
8005 qdesc
= lpfc_sli4_queue_alloc(phba
, wqesize
, phba
->sli4_hba
.wq_ecount
);
8007 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8008 "0503 Failed allocate fast-path FCP WQ (%d)\n",
8012 phba
->sli4_hba
.fcp_wq
[wqidx
] = qdesc
;
8013 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8018 * lpfc_sli4_queue_create - Create all the SLI4 queues
8019 * @phba: pointer to lpfc hba data structure.
8021 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
8022 * operation. For each SLI4 queue type, the parameters such as queue entry
8023 * count (queue depth) shall be taken from the module parameter. For now,
8024 * we just use some constant number as place holder.
8028 * -ENOMEM - No availble memory
8029 * -EIO - The mailbox failed to complete successfully.
8032 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
8034 struct lpfc_queue
*qdesc
;
8035 int idx
, io_channel
;
8038 * Create HBA Record arrays.
8039 * Both NVME and FCP will share that same vectors / EQs
8041 io_channel
= phba
->io_channel_irqs
;
8045 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
8046 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
8047 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
8048 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
8049 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
8050 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
8051 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
8052 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
8053 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
8054 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
8056 phba
->sli4_hba
.hba_eq
= kcalloc(io_channel
,
8057 sizeof(struct lpfc_queue
*),
8059 if (!phba
->sli4_hba
.hba_eq
) {
8060 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8061 "2576 Failed allocate memory for "
8062 "fast-path EQ record array\n");
8066 if (phba
->cfg_fcp_io_channel
) {
8067 phba
->sli4_hba
.fcp_cq
= kcalloc(phba
->cfg_fcp_io_channel
,
8068 sizeof(struct lpfc_queue
*),
8070 if (!phba
->sli4_hba
.fcp_cq
) {
8071 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8072 "2577 Failed allocate memory for "
8073 "fast-path CQ record array\n");
8076 phba
->sli4_hba
.fcp_wq
= kcalloc(phba
->cfg_fcp_io_channel
,
8077 sizeof(struct lpfc_queue
*),
8079 if (!phba
->sli4_hba
.fcp_wq
) {
8080 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8081 "2578 Failed allocate memory for "
8082 "fast-path FCP WQ record array\n");
8086 * Since the first EQ can have multiple CQs associated with it,
8087 * this array is used to quickly see if we have a FCP fast-path
8090 phba
->sli4_hba
.fcp_cq_map
= kcalloc(phba
->cfg_fcp_io_channel
,
8093 if (!phba
->sli4_hba
.fcp_cq_map
) {
8094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8095 "2545 Failed allocate memory for "
8096 "fast-path CQ map\n");
8101 if (phba
->cfg_nvme_io_channel
) {
8102 phba
->sli4_hba
.nvme_cq
= kcalloc(phba
->cfg_nvme_io_channel
,
8103 sizeof(struct lpfc_queue
*),
8105 if (!phba
->sli4_hba
.nvme_cq
) {
8106 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8107 "6077 Failed allocate memory for "
8108 "fast-path CQ record array\n");
8112 phba
->sli4_hba
.nvme_wq
= kcalloc(phba
->cfg_nvme_io_channel
,
8113 sizeof(struct lpfc_queue
*),
8115 if (!phba
->sli4_hba
.nvme_wq
) {
8116 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8117 "2581 Failed allocate memory for "
8118 "fast-path NVME WQ record array\n");
8123 * Since the first EQ can have multiple CQs associated with it,
8124 * this array is used to quickly see if we have a NVME fast-path
8127 phba
->sli4_hba
.nvme_cq_map
= kcalloc(phba
->cfg_nvme_io_channel
,
8130 if (!phba
->sli4_hba
.nvme_cq_map
) {
8131 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8132 "6078 Failed allocate memory for "
8133 "fast-path CQ map\n");
8137 if (phba
->nvmet_support
) {
8138 phba
->sli4_hba
.nvmet_cqset
= kcalloc(
8139 phba
->cfg_nvmet_mrq
,
8140 sizeof(struct lpfc_queue
*),
8142 if (!phba
->sli4_hba
.nvmet_cqset
) {
8143 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8144 "3121 Fail allocate memory for "
8145 "fast-path CQ set array\n");
8148 phba
->sli4_hba
.nvmet_mrq_hdr
= kcalloc(
8149 phba
->cfg_nvmet_mrq
,
8150 sizeof(struct lpfc_queue
*),
8152 if (!phba
->sli4_hba
.nvmet_mrq_hdr
) {
8153 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8154 "3122 Fail allocate memory for "
8155 "fast-path RQ set hdr array\n");
8158 phba
->sli4_hba
.nvmet_mrq_data
= kcalloc(
8159 phba
->cfg_nvmet_mrq
,
8160 sizeof(struct lpfc_queue
*),
8162 if (!phba
->sli4_hba
.nvmet_mrq_data
) {
8163 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8164 "3124 Fail allocate memory for "
8165 "fast-path RQ set data array\n");
8171 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
8173 /* Create HBA Event Queues (EQs) */
8174 for (idx
= 0; idx
< io_channel
; idx
++) {
8176 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
8177 phba
->sli4_hba
.eq_ecount
);
8179 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8180 "0497 Failed allocate EQ (%d)\n", idx
);
8183 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
8186 /* FCP and NVME io channels are not required to be balanced */
8188 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8189 if (lpfc_alloc_fcp_wq_cq(phba
, idx
))
8192 for (idx
= 0; idx
< phba
->cfg_nvme_io_channel
; idx
++)
8193 if (lpfc_alloc_nvme_wq_cq(phba
, idx
))
8196 if (phba
->nvmet_support
) {
8197 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
8198 qdesc
= lpfc_sli4_queue_alloc(phba
,
8199 phba
->sli4_hba
.cq_esize
,
8200 phba
->sli4_hba
.cq_ecount
);
8202 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8203 "3142 Failed allocate NVME "
8204 "CQ Set (%d)\n", idx
);
8207 phba
->sli4_hba
.nvmet_cqset
[idx
] = qdesc
;
8212 * Create Slow Path Completion Queues (CQs)
8215 /* Create slow-path Mailbox Command Complete Queue */
8216 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8217 phba
->sli4_hba
.cq_ecount
);
8219 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8220 "0500 Failed allocate slow-path mailbox CQ\n");
8223 phba
->sli4_hba
.mbx_cq
= qdesc
;
8225 /* Create slow-path ELS Complete Queue */
8226 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8227 phba
->sli4_hba
.cq_ecount
);
8229 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8230 "0501 Failed allocate slow-path ELS CQ\n");
8233 phba
->sli4_hba
.els_cq
= qdesc
;
8237 * Create Slow Path Work Queues (WQs)
8240 /* Create Mailbox Command Queue */
8242 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
8243 phba
->sli4_hba
.mq_ecount
);
8245 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8246 "0505 Failed allocate slow-path MQ\n");
8249 phba
->sli4_hba
.mbx_wq
= qdesc
;
8252 * Create ELS Work Queues
8255 /* Create slow-path ELS Work Queue */
8256 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
8257 phba
->sli4_hba
.wq_ecount
);
8259 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8260 "0504 Failed allocate slow-path ELS WQ\n");
8263 phba
->sli4_hba
.els_wq
= qdesc
;
8264 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8266 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
8267 /* Create NVME LS Complete Queue */
8268 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
8269 phba
->sli4_hba
.cq_ecount
);
8271 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8272 "6079 Failed allocate NVME LS CQ\n");
8275 phba
->sli4_hba
.nvmels_cq
= qdesc
;
8277 /* Create NVME LS Work Queue */
8278 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
8279 phba
->sli4_hba
.wq_ecount
);
8281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8282 "6080 Failed allocate NVME LS WQ\n");
8285 phba
->sli4_hba
.nvmels_wq
= qdesc
;
8286 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8290 * Create Receive Queue (RQ)
8293 /* Create Receive Queue for header */
8294 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
8295 phba
->sli4_hba
.rq_ecount
);
8297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8298 "0506 Failed allocate receive HRQ\n");
8301 phba
->sli4_hba
.hdr_rq
= qdesc
;
8303 /* Create Receive Queue for data */
8304 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
8305 phba
->sli4_hba
.rq_ecount
);
8307 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8308 "0507 Failed allocate receive DRQ\n");
8311 phba
->sli4_hba
.dat_rq
= qdesc
;
8313 if (phba
->nvmet_support
) {
8314 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
8315 /* Create NVMET Receive Queue for header */
8316 qdesc
= lpfc_sli4_queue_alloc(phba
,
8317 phba
->sli4_hba
.rq_esize
,
8318 LPFC_NVMET_RQE_DEF_COUNT
);
8320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8321 "3146 Failed allocate "
8325 phba
->sli4_hba
.nvmet_mrq_hdr
[idx
] = qdesc
;
8327 /* Only needed for header of RQ pair */
8328 qdesc
->rqbp
= kzalloc(sizeof(struct lpfc_rqb
),
8330 if (qdesc
->rqbp
== NULL
) {
8331 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8332 "6131 Failed allocate "
8337 /* Put list in known state in case driver load fails. */
8338 INIT_LIST_HEAD(&qdesc
->rqbp
->rqb_buffer_list
);
8340 /* Create NVMET Receive Queue for data */
8341 qdesc
= lpfc_sli4_queue_alloc(phba
,
8342 phba
->sli4_hba
.rq_esize
,
8343 LPFC_NVMET_RQE_DEF_COUNT
);
8345 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8346 "3156 Failed allocate "
8350 phba
->sli4_hba
.nvmet_mrq_data
[idx
] = qdesc
;
8354 /* Create the Queues needed for Flash Optimized Fabric operations */
8356 lpfc_fof_queue_create(phba
);
8360 lpfc_sli4_queue_destroy(phba
);
8365 __lpfc_sli4_release_queue(struct lpfc_queue
**qp
)
8368 lpfc_sli4_queue_free(*qp
);
8374 lpfc_sli4_release_queues(struct lpfc_queue
***qs
, int max
)
8381 for (idx
= 0; idx
< max
; idx
++)
8382 __lpfc_sli4_release_queue(&(*qs
)[idx
]);
8389 lpfc_sli4_release_queue_map(uint16_t **qmap
)
8391 if (*qmap
!= NULL
) {
8398 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
8399 * @phba: pointer to lpfc hba data structure.
8401 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
8406 * -ENOMEM - No available memory
8407 * -EIO - The mailbox failed to complete successfully.
8410 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
8413 lpfc_fof_queue_destroy(phba
);
8415 /* Release HBA eqs */
8416 lpfc_sli4_release_queues(&phba
->sli4_hba
.hba_eq
, phba
->io_channel_irqs
);
8418 /* Release FCP cqs */
8419 lpfc_sli4_release_queues(&phba
->sli4_hba
.fcp_cq
,
8420 phba
->cfg_fcp_io_channel
);
8422 /* Release FCP wqs */
8423 lpfc_sli4_release_queues(&phba
->sli4_hba
.fcp_wq
,
8424 phba
->cfg_fcp_io_channel
);
8426 /* Release FCP CQ mapping array */
8427 lpfc_sli4_release_queue_map(&phba
->sli4_hba
.fcp_cq_map
);
8429 /* Release NVME cqs */
8430 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvme_cq
,
8431 phba
->cfg_nvme_io_channel
);
8433 /* Release NVME wqs */
8434 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvme_wq
,
8435 phba
->cfg_nvme_io_channel
);
8437 /* Release NVME CQ mapping array */
8438 lpfc_sli4_release_queue_map(&phba
->sli4_hba
.nvme_cq_map
);
8440 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_cqset
,
8441 phba
->cfg_nvmet_mrq
);
8443 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_hdr
,
8444 phba
->cfg_nvmet_mrq
);
8445 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_data
,
8446 phba
->cfg_nvmet_mrq
);
8448 /* Release mailbox command work queue */
8449 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_wq
);
8451 /* Release ELS work queue */
8452 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_wq
);
8454 /* Release ELS work queue */
8455 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_wq
);
8457 /* Release unsolicited receive queue */
8458 __lpfc_sli4_release_queue(&phba
->sli4_hba
.hdr_rq
);
8459 __lpfc_sli4_release_queue(&phba
->sli4_hba
.dat_rq
);
8461 /* Release ELS complete queue */
8462 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_cq
);
8464 /* Release NVME LS complete queue */
8465 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_cq
);
8467 /* Release mailbox command complete queue */
8468 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_cq
);
8470 /* Everything on this list has been freed */
8471 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
8475 lpfc_free_rq_buffer(struct lpfc_hba
*phba
, struct lpfc_queue
*rq
)
8477 struct lpfc_rqb
*rqbp
;
8478 struct lpfc_dmabuf
*h_buf
;
8479 struct rqb_dmabuf
*rqb_buffer
;
8482 while (!list_empty(&rqbp
->rqb_buffer_list
)) {
8483 list_remove_head(&rqbp
->rqb_buffer_list
, h_buf
,
8484 struct lpfc_dmabuf
, list
);
8486 rqb_buffer
= container_of(h_buf
, struct rqb_dmabuf
, hbuf
);
8487 (rqbp
->rqb_free_buffer
)(phba
, rqb_buffer
);
8488 rqbp
->buffer_count
--;
8494 lpfc_create_wq_cq(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
,
8495 struct lpfc_queue
*cq
, struct lpfc_queue
*wq
, uint16_t *cq_map
,
8496 int qidx
, uint32_t qtype
)
8498 struct lpfc_sli_ring
*pring
;
8501 if (!eq
|| !cq
|| !wq
) {
8502 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8503 "6085 Fast-path %s (%d) not allocated\n",
8504 ((eq
) ? ((cq
) ? "WQ" : "CQ") : "EQ"), qidx
);
8508 /* create the Cq first */
8509 rc
= lpfc_cq_create(phba
, cq
, eq
,
8510 (qtype
== LPFC_MBOX
) ? LPFC_MCQ
: LPFC_WCQ
, qtype
);
8512 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8513 "6086 Failed setup of CQ (%d), rc = 0x%x\n",
8514 qidx
, (uint32_t)rc
);
8518 if (qtype
!= LPFC_MBOX
) {
8519 /* Setup nvme_cq_map for fast lookup */
8521 *cq_map
= cq
->queue_id
;
8523 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8524 "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n",
8525 qidx
, cq
->queue_id
, qidx
, eq
->queue_id
);
8528 rc
= lpfc_wq_create(phba
, wq
, cq
, qtype
);
8530 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8531 "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n",
8532 qidx
, (uint32_t)rc
);
8533 /* no need to tear down cq - caller will do so */
8537 /* Bind this CQ/WQ to the NVME ring */
8539 pring
->sli
.sli4
.wqp
= (void *)wq
;
8542 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8543 "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n",
8544 qidx
, wq
->queue_id
, wq
->assoc_qid
, qidx
, cq
->queue_id
);
8546 rc
= lpfc_mq_create(phba
, wq
, cq
, LPFC_MBOX
);
8548 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8549 "0539 Failed setup of slow-path MQ: "
8551 /* no need to tear down cq - caller will do so */
8555 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8556 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
8557 phba
->sli4_hba
.mbx_wq
->queue_id
,
8558 phba
->sli4_hba
.mbx_cq
->queue_id
);
8565 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
8566 * @phba: pointer to lpfc hba data structure.
8568 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
8573 * -ENOMEM - No available memory
8574 * -EIO - The mailbox failed to complete successfully.
8577 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
8579 uint32_t shdr_status
, shdr_add_status
;
8580 union lpfc_sli4_cfg_shdr
*shdr
;
8581 LPFC_MBOXQ_t
*mboxq
;
8583 uint32_t length
, io_channel
;
8586 /* Check for dual-ULP support */
8587 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8589 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8590 "3249 Unable to allocate memory for "
8591 "QUERY_FW_CFG mailbox command\n");
8594 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
8595 sizeof(struct lpfc_sli4_cfg_mhdr
));
8596 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8597 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
8598 length
, LPFC_SLI4_MBX_EMBED
);
8600 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8602 shdr
= (union lpfc_sli4_cfg_shdr
*)
8603 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
8604 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
8605 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
8606 if (shdr_status
|| shdr_add_status
|| rc
) {
8607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8608 "3250 QUERY_FW_CFG mailbox failed with status "
8609 "x%x add_status x%x, mbx status x%x\n",
8610 shdr_status
, shdr_add_status
, rc
);
8611 if (rc
!= MBX_TIMEOUT
)
8612 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8617 phba
->sli4_hba
.fw_func_mode
=
8618 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
8619 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
8620 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
8621 phba
->sli4_hba
.physical_port
=
8622 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.physical_port
;
8623 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8624 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
8625 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
8626 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
8628 if (rc
!= MBX_TIMEOUT
)
8629 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8632 * Set up HBA Event Queues (EQs)
8634 io_channel
= phba
->io_channel_irqs
;
8636 /* Set up HBA event queue */
8637 if (io_channel
&& !phba
->sli4_hba
.hba_eq
) {
8638 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8639 "3147 Fast-path EQs not allocated\n");
8643 for (qidx
= 0; qidx
< io_channel
; qidx
++) {
8644 if (!phba
->sli4_hba
.hba_eq
[qidx
]) {
8645 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8646 "0522 Fast-path EQ (%d) not "
8647 "allocated\n", qidx
);
8651 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[qidx
],
8652 phba
->cfg_fcp_imax
);
8654 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8655 "0523 Failed setup of fast-path EQ "
8656 "(%d), rc = 0x%x\n", qidx
,
8660 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8661 "2584 HBA EQ setup: queue[%d]-id=%d\n",
8662 qidx
, phba
->sli4_hba
.hba_eq
[qidx
]->queue_id
);
8665 if (phba
->cfg_nvme_io_channel
) {
8666 if (!phba
->sli4_hba
.nvme_cq
|| !phba
->sli4_hba
.nvme_wq
) {
8667 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8668 "6084 Fast-path NVME %s array not allocated\n",
8669 (phba
->sli4_hba
.nvme_cq
) ? "CQ" : "WQ");
8674 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++) {
8675 rc
= lpfc_create_wq_cq(phba
,
8676 phba
->sli4_hba
.hba_eq
[
8678 phba
->sli4_hba
.nvme_cq
[qidx
],
8679 phba
->sli4_hba
.nvme_wq
[qidx
],
8680 &phba
->sli4_hba
.nvme_cq_map
[qidx
],
8683 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8684 "6123 Failed to setup fastpath "
8685 "NVME WQ/CQ (%d), rc = 0x%x\n",
8686 qidx
, (uint32_t)rc
);
8692 if (phba
->cfg_fcp_io_channel
) {
8693 /* Set up fast-path FCP Response Complete Queue */
8694 if (!phba
->sli4_hba
.fcp_cq
|| !phba
->sli4_hba
.fcp_wq
) {
8695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8696 "3148 Fast-path FCP %s array not allocated\n",
8697 phba
->sli4_hba
.fcp_cq
? "WQ" : "CQ");
8702 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++) {
8703 rc
= lpfc_create_wq_cq(phba
,
8704 phba
->sli4_hba
.hba_eq
[
8706 phba
->sli4_hba
.fcp_cq
[qidx
],
8707 phba
->sli4_hba
.fcp_wq
[qidx
],
8708 &phba
->sli4_hba
.fcp_cq_map
[qidx
],
8711 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8712 "0535 Failed to setup fastpath "
8713 "FCP WQ/CQ (%d), rc = 0x%x\n",
8714 qidx
, (uint32_t)rc
);
8721 * Set up Slow Path Complete Queues (CQs)
8724 /* Set up slow-path MBOX CQ/MQ */
8726 if (!phba
->sli4_hba
.mbx_cq
|| !phba
->sli4_hba
.mbx_wq
) {
8727 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8728 "0528 %s not allocated\n",
8729 phba
->sli4_hba
.mbx_cq
?
8730 "Mailbox WQ" : "Mailbox CQ");
8735 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8736 phba
->sli4_hba
.mbx_cq
,
8737 phba
->sli4_hba
.mbx_wq
,
8738 NULL
, 0, LPFC_MBOX
);
8740 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8741 "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n",
8745 if (phba
->nvmet_support
) {
8746 if (!phba
->sli4_hba
.nvmet_cqset
) {
8747 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8748 "3165 Fast-path NVME CQ Set "
8749 "array not allocated\n");
8753 if (phba
->cfg_nvmet_mrq
> 1) {
8754 rc
= lpfc_cq_create_set(phba
,
8755 phba
->sli4_hba
.nvmet_cqset
,
8756 phba
->sli4_hba
.hba_eq
,
8757 LPFC_WCQ
, LPFC_NVMET
);
8759 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8760 "3164 Failed setup of NVME CQ "
8766 /* Set up NVMET Receive Complete Queue */
8767 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.nvmet_cqset
[0],
8768 phba
->sli4_hba
.hba_eq
[0],
8769 LPFC_WCQ
, LPFC_NVMET
);
8771 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8772 "6089 Failed setup NVMET CQ: "
8773 "rc = 0x%x\n", (uint32_t)rc
);
8776 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8777 "6090 NVMET CQ setup: cq-id=%d, "
8778 "parent eq-id=%d\n",
8779 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
,
8780 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
8784 /* Set up slow-path ELS WQ/CQ */
8785 if (!phba
->sli4_hba
.els_cq
|| !phba
->sli4_hba
.els_wq
) {
8786 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8787 "0530 ELS %s not allocated\n",
8788 phba
->sli4_hba
.els_cq
? "WQ" : "CQ");
8792 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8793 phba
->sli4_hba
.els_cq
,
8794 phba
->sli4_hba
.els_wq
,
8797 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8798 "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n",
8802 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8803 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
8804 phba
->sli4_hba
.els_wq
->queue_id
,
8805 phba
->sli4_hba
.els_cq
->queue_id
);
8807 if (phba
->cfg_nvme_io_channel
) {
8808 /* Set up NVME LS Complete Queue */
8809 if (!phba
->sli4_hba
.nvmels_cq
|| !phba
->sli4_hba
.nvmels_wq
) {
8810 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8811 "6091 LS %s not allocated\n",
8812 phba
->sli4_hba
.nvmels_cq
? "WQ" : "CQ");
8816 rc
= lpfc_create_wq_cq(phba
, phba
->sli4_hba
.hba_eq
[0],
8817 phba
->sli4_hba
.nvmels_cq
,
8818 phba
->sli4_hba
.nvmels_wq
,
8819 NULL
, 0, LPFC_NVME_LS
);
8821 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8822 "0529 Failed setup of NVVME LS WQ/CQ: "
8823 "rc = 0x%x\n", (uint32_t)rc
);
8827 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8828 "6096 ELS WQ setup: wq-id=%d, "
8829 "parent cq-id=%d\n",
8830 phba
->sli4_hba
.nvmels_wq
->queue_id
,
8831 phba
->sli4_hba
.nvmels_cq
->queue_id
);
8835 * Create NVMET Receive Queue (RQ)
8837 if (phba
->nvmet_support
) {
8838 if ((!phba
->sli4_hba
.nvmet_cqset
) ||
8839 (!phba
->sli4_hba
.nvmet_mrq_hdr
) ||
8840 (!phba
->sli4_hba
.nvmet_mrq_data
)) {
8841 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8842 "6130 MRQ CQ Queues not "
8847 if (phba
->cfg_nvmet_mrq
> 1) {
8848 rc
= lpfc_mrq_create(phba
,
8849 phba
->sli4_hba
.nvmet_mrq_hdr
,
8850 phba
->sli4_hba
.nvmet_mrq_data
,
8851 phba
->sli4_hba
.nvmet_cqset
,
8854 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8855 "6098 Failed setup of NVMET "
8862 rc
= lpfc_rq_create(phba
,
8863 phba
->sli4_hba
.nvmet_mrq_hdr
[0],
8864 phba
->sli4_hba
.nvmet_mrq_data
[0],
8865 phba
->sli4_hba
.nvmet_cqset
[0],
8868 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8869 "6057 Failed setup of NVMET "
8870 "Receive Queue: rc = 0x%x\n",
8876 phba
, KERN_INFO
, LOG_INIT
,
8877 "6099 NVMET RQ setup: hdr-rq-id=%d, "
8878 "dat-rq-id=%d parent cq-id=%d\n",
8879 phba
->sli4_hba
.nvmet_mrq_hdr
[0]->queue_id
,
8880 phba
->sli4_hba
.nvmet_mrq_data
[0]->queue_id
,
8881 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
);
8886 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
8887 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8888 "0540 Receive Queue not allocated\n");
8893 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
8894 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
8896 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8897 "0541 Failed setup of Receive Queue: "
8898 "rc = 0x%x\n", (uint32_t)rc
);
8902 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8903 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
8904 "parent cq-id=%d\n",
8905 phba
->sli4_hba
.hdr_rq
->queue_id
,
8906 phba
->sli4_hba
.dat_rq
->queue_id
,
8907 phba
->sli4_hba
.els_cq
->queue_id
);
8909 if (phba
->cfg_fof
) {
8910 rc
= lpfc_fof_queue_setup(phba
);
8912 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8913 "0549 Failed setup of FOF Queues: "
8919 for (qidx
= 0; qidx
< io_channel
; qidx
+= LPFC_MAX_EQ_DELAY_EQID_CNT
)
8920 lpfc_modify_hba_eq_delay(phba
, qidx
, LPFC_MAX_EQ_DELAY_EQID_CNT
,
8921 phba
->cfg_fcp_imax
);
8926 lpfc_sli4_queue_unset(phba
);
8932 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
8933 * @phba: pointer to lpfc hba data structure.
8935 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
8940 * -ENOMEM - No available memory
8941 * -EIO - The mailbox failed to complete successfully.
8944 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
8948 /* Unset the queues created for Flash Optimized Fabric operations */
8950 lpfc_fof_queue_destroy(phba
);
8952 /* Unset mailbox command work queue */
8953 if (phba
->sli4_hba
.mbx_wq
)
8954 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
8956 /* Unset NVME LS work queue */
8957 if (phba
->sli4_hba
.nvmels_wq
)
8958 lpfc_wq_destroy(phba
, phba
->sli4_hba
.nvmels_wq
);
8960 /* Unset ELS work queue */
8961 if (phba
->sli4_hba
.els_wq
)
8962 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
8964 /* Unset unsolicited receive queue */
8965 if (phba
->sli4_hba
.hdr_rq
)
8966 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
,
8967 phba
->sli4_hba
.dat_rq
);
8969 /* Unset FCP work queue */
8970 if (phba
->sli4_hba
.fcp_wq
)
8971 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++)
8972 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[qidx
]);
8974 /* Unset NVME work queue */
8975 if (phba
->sli4_hba
.nvme_wq
) {
8976 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++)
8977 lpfc_wq_destroy(phba
, phba
->sli4_hba
.nvme_wq
[qidx
]);
8980 /* Unset mailbox command complete queue */
8981 if (phba
->sli4_hba
.mbx_cq
)
8982 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
8984 /* Unset ELS complete queue */
8985 if (phba
->sli4_hba
.els_cq
)
8986 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
8988 /* Unset NVME LS complete queue */
8989 if (phba
->sli4_hba
.nvmels_cq
)
8990 lpfc_cq_destroy(phba
, phba
->sli4_hba
.nvmels_cq
);
8992 /* Unset NVME response complete queue */
8993 if (phba
->sli4_hba
.nvme_cq
)
8994 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++)
8995 lpfc_cq_destroy(phba
, phba
->sli4_hba
.nvme_cq
[qidx
]);
8997 /* Unset NVMET MRQ queue */
8998 if (phba
->sli4_hba
.nvmet_mrq_hdr
) {
8999 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
9000 lpfc_rq_destroy(phba
,
9001 phba
->sli4_hba
.nvmet_mrq_hdr
[qidx
],
9002 phba
->sli4_hba
.nvmet_mrq_data
[qidx
]);
9005 /* Unset NVMET CQ Set complete queue */
9006 if (phba
->sli4_hba
.nvmet_cqset
) {
9007 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
9008 lpfc_cq_destroy(phba
,
9009 phba
->sli4_hba
.nvmet_cqset
[qidx
]);
9012 /* Unset FCP response complete queue */
9013 if (phba
->sli4_hba
.fcp_cq
)
9014 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++)
9015 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[qidx
]);
9017 /* Unset fast-path event queue */
9018 if (phba
->sli4_hba
.hba_eq
)
9019 for (qidx
= 0; qidx
< phba
->io_channel_irqs
; qidx
++)
9020 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[qidx
]);
9024 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
9025 * @phba: pointer to lpfc hba data structure.
9027 * This routine is invoked to allocate and set up a pool of completion queue
9028 * events. The body of the completion queue event is a completion queue entry
9029 * CQE. For now, this pool is used for the interrupt service routine to queue
9030 * the following HBA completion queue events for the worker thread to process:
9031 * - Mailbox asynchronous events
9032 * - Receive queue completion unsolicited events
9033 * Later, this can be used for all the slow-path events.
9037 * -ENOMEM - No available memory
9040 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
9042 struct lpfc_cq_event
*cq_event
;
9045 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
9046 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
9048 goto out_pool_create_fail
;
9049 list_add_tail(&cq_event
->list
,
9050 &phba
->sli4_hba
.sp_cqe_event_pool
);
9054 out_pool_create_fail
:
9055 lpfc_sli4_cq_event_pool_destroy(phba
);
9060 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
9061 * @phba: pointer to lpfc hba data structure.
9063 * This routine is invoked to free the pool of completion queue events at
9064 * driver unload time. Note that, it is the responsibility of the driver
9065 * cleanup routine to free all the outstanding completion-queue events
9066 * allocated from this pool back into the pool before invoking this routine
9067 * to destroy the pool.
9070 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
9072 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
9074 list_for_each_entry_safe(cq_event
, next_cq_event
,
9075 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
9076 list_del(&cq_event
->list
);
9082 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9083 * @phba: pointer to lpfc hba data structure.
9085 * This routine is the lock free version of the API invoked to allocate a
9086 * completion-queue event from the free pool.
9088 * Return: Pointer to the newly allocated completion-queue event if successful
9091 struct lpfc_cq_event
*
9092 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
9094 struct lpfc_cq_event
*cq_event
= NULL
;
9096 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
9097 struct lpfc_cq_event
, list
);
9102 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9103 * @phba: pointer to lpfc hba data structure.
9105 * This routine is the lock version of the API invoked to allocate a
9106 * completion-queue event from the free pool.
9108 * Return: Pointer to the newly allocated completion-queue event if successful
9111 struct lpfc_cq_event
*
9112 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
9114 struct lpfc_cq_event
*cq_event
;
9115 unsigned long iflags
;
9117 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9118 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
9119 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9124 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9125 * @phba: pointer to lpfc hba data structure.
9126 * @cq_event: pointer to the completion queue event to be freed.
9128 * This routine is the lock free version of the API invoked to release a
9129 * completion-queue event back into the free pool.
9132 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
9133 struct lpfc_cq_event
*cq_event
)
9135 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
9139 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9140 * @phba: pointer to lpfc hba data structure.
9141 * @cq_event: pointer to the completion queue event to be freed.
9143 * This routine is the lock version of the API invoked to release a
9144 * completion-queue event back into the free pool.
9147 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
9148 struct lpfc_cq_event
*cq_event
)
9150 unsigned long iflags
;
9151 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9152 __lpfc_sli4_cq_event_release(phba
, cq_event
);
9153 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9157 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
9158 * @phba: pointer to lpfc hba data structure.
9160 * This routine is to free all the pending completion-queue events to the
9161 * back into the free pool for device reset.
9164 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
9167 struct lpfc_cq_event
*cqe
;
9168 unsigned long iflags
;
9170 /* Retrieve all the pending WCQEs from pending WCQE lists */
9171 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9172 /* Pending FCP XRI abort events */
9173 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
9175 /* Pending ELS XRI abort events */
9176 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
9178 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9179 /* Pending NVME XRI abort events */
9180 list_splice_init(&phba
->sli4_hba
.sp_nvme_xri_aborted_work_queue
,
9183 /* Pending asynnc events */
9184 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
9186 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9188 while (!list_empty(&cqelist
)) {
9189 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
9190 lpfc_sli4_cq_event_release(phba
, cqe
);
9195 * lpfc_pci_function_reset - Reset pci function.
9196 * @phba: pointer to lpfc hba data structure.
9198 * This routine is invoked to request a PCI function reset. It will destroys
9199 * all resources assigned to the PCI function which originates this request.
9203 * -ENOMEM - No available memory
9204 * -EIO - The mailbox failed to complete successfully.
9207 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
9209 LPFC_MBOXQ_t
*mboxq
;
9210 uint32_t rc
= 0, if_type
;
9211 uint32_t shdr_status
, shdr_add_status
;
9213 uint32_t port_reset
= 0;
9214 union lpfc_sli4_cfg_shdr
*shdr
;
9215 struct lpfc_register reg_data
;
9218 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9220 case LPFC_SLI_INTF_IF_TYPE_0
:
9221 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
9224 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9225 "0494 Unable to allocate memory for "
9226 "issuing SLI_FUNCTION_RESET mailbox "
9231 /* Setup PCI function reset mailbox-ioctl command */
9232 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9233 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
9234 LPFC_SLI4_MBX_EMBED
);
9235 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9236 shdr
= (union lpfc_sli4_cfg_shdr
*)
9237 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
9238 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
9239 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
9241 if (rc
!= MBX_TIMEOUT
)
9242 mempool_free(mboxq
, phba
->mbox_mem_pool
);
9243 if (shdr_status
|| shdr_add_status
|| rc
) {
9244 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9245 "0495 SLI_FUNCTION_RESET mailbox "
9246 "failed with status x%x add_status x%x,"
9247 " mbx status x%x\n",
9248 shdr_status
, shdr_add_status
, rc
);
9252 case LPFC_SLI_INTF_IF_TYPE_2
:
9255 * Poll the Port Status Register and wait for RDY for
9256 * up to 30 seconds. If the port doesn't respond, treat
9259 for (rdy_chk
= 0; rdy_chk
< 1500; rdy_chk
++) {
9260 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
9261 STATUSregaddr
, ®_data
.word0
)) {
9265 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
9270 if (!bf_get(lpfc_sliport_status_rdy
, ®_data
)) {
9271 phba
->work_status
[0] = readl(
9272 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
9273 phba
->work_status
[1] = readl(
9274 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
9275 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9276 "2890 Port not ready, port status reg "
9277 "0x%x error 1=0x%x, error 2=0x%x\n",
9279 phba
->work_status
[0],
9280 phba
->work_status
[1]);
9287 * Reset the port now
9290 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
9291 LPFC_SLIPORT_LITTLE_ENDIAN
);
9292 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
9293 LPFC_SLIPORT_INIT_PORT
);
9294 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
9297 pci_read_config_word(phba
->pcidev
,
9298 PCI_DEVICE_ID
, &devid
);
9303 } else if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
9309 case LPFC_SLI_INTF_IF_TYPE_1
:
9315 /* Catch the not-ready port failure after a port reset. */
9317 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9318 "3317 HBA not functional: IP Reset Failed "
9319 "try: echo fw_reset > board_mode\n");
9327 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
9328 * @phba: pointer to lpfc hba data structure.
9330 * This routine is invoked to set up the PCI device memory space for device
9331 * with SLI-4 interface spec.
9335 * other values - error
9338 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
9340 struct pci_dev
*pdev
;
9341 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
9342 int error
= -ENODEV
;
9345 /* Obtain PCI device reference */
9349 pdev
= phba
->pcidev
;
9351 /* Set the device DMA mask size */
9352 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
9353 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
9354 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
9355 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
9361 * The BARs and register set definitions and offset locations are
9362 * dependent on the if_type.
9364 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
9365 &phba
->sli4_hba
.sli_intf
.word0
)) {
9369 /* There is no SLI3 failback for SLI4 devices. */
9370 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
9371 LPFC_SLI_INTF_VALID
) {
9372 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9373 "2894 SLI_INTF reg contents invalid "
9374 "sli_intf reg 0x%x\n",
9375 phba
->sli4_hba
.sli_intf
.word0
);
9379 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9381 * Get the bus address of SLI4 device Bar regions and the
9382 * number of bytes required by each mapping. The mapping of the
9383 * particular PCI BARs regions is dependent on the type of
9386 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
9387 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
9388 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
9391 * Map SLI4 PCI Config Space Register base to a kernel virtual
9394 phba
->sli4_hba
.conf_regs_memmap_p
=
9395 ioremap(phba
->pci_bar0_map
, bar0map_len
);
9396 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
9397 dev_printk(KERN_ERR
, &pdev
->dev
,
9398 "ioremap failed for SLI4 PCI config "
9402 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
9403 /* Set up BAR0 PCI config space register memory map */
9404 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
9406 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
9407 bar0map_len
= pci_resource_len(pdev
, 1);
9408 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
9409 dev_printk(KERN_ERR
, &pdev
->dev
,
9410 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
9413 phba
->sli4_hba
.conf_regs_memmap_p
=
9414 ioremap(phba
->pci_bar0_map
, bar0map_len
);
9415 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
9416 dev_printk(KERN_ERR
, &pdev
->dev
,
9417 "ioremap failed for SLI4 PCI config "
9421 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
9424 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
9425 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
9427 * Map SLI4 if type 0 HBA Control Register base to a kernel
9428 * virtual address and setup the registers.
9430 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
9431 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
9432 phba
->sli4_hba
.ctrl_regs_memmap_p
=
9433 ioremap(phba
->pci_bar1_map
, bar1map_len
);
9434 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
9435 dev_printk(KERN_ERR
, &pdev
->dev
,
9436 "ioremap failed for SLI4 HBA control registers.\n");
9437 goto out_iounmap_conf
;
9439 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
9440 lpfc_sli4_bar1_register_memmap(phba
);
9443 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
9444 (pci_resource_start(pdev
, PCI_64BIT_BAR4
))) {
9446 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
9447 * virtual address and setup the registers.
9449 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
9450 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
9451 phba
->sli4_hba
.drbl_regs_memmap_p
=
9452 ioremap(phba
->pci_bar2_map
, bar2map_len
);
9453 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
9454 dev_printk(KERN_ERR
, &pdev
->dev
,
9455 "ioremap failed for SLI4 HBA doorbell registers.\n");
9456 goto out_iounmap_ctrl
;
9458 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
9459 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
9461 goto out_iounmap_all
;
9467 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
9469 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
9471 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9477 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
9478 * @phba: pointer to lpfc hba data structure.
9480 * This routine is invoked to unset the PCI device memory space for device
9481 * with SLI-4 interface spec.
9484 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
9487 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9490 case LPFC_SLI_INTF_IF_TYPE_0
:
9491 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
9492 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
9493 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9495 case LPFC_SLI_INTF_IF_TYPE_2
:
9496 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
9498 case LPFC_SLI_INTF_IF_TYPE_1
:
9500 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
9501 "FATAL - unsupported SLI4 interface type - %d\n",
9508 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
9509 * @phba: pointer to lpfc hba data structure.
9511 * This routine is invoked to enable the MSI-X interrupt vectors to device
9512 * with SLI-3 interface specs.
9516 * other values - error
9519 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
9524 /* Set up MSI-X multi-message vectors */
9525 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
9526 LPFC_MSIX_VECTORS
, LPFC_MSIX_VECTORS
, PCI_IRQ_MSIX
);
9528 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9529 "0420 PCI enable MSI-X failed (%d)\n", rc
);
9534 * Assign MSI-X vectors to interrupt handlers
9537 /* vector-0 is associated to slow-path handler */
9538 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 0),
9539 &lpfc_sli_sp_intr_handler
, 0,
9540 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
9542 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9543 "0421 MSI-X slow-path request_irq failed "
9548 /* vector-1 is associated to fast-path handler */
9549 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 1),
9550 &lpfc_sli_fp_intr_handler
, 0,
9551 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
9554 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9555 "0429 MSI-X fast-path request_irq failed "
9561 * Configure HBA MSI-X attention conditions to messages
9563 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
9567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9568 "0474 Unable to allocate memory for issuing "
9569 "MBOX_CONFIG_MSI command\n");
9572 rc
= lpfc_config_msi(phba
, pmb
);
9575 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
9576 if (rc
!= MBX_SUCCESS
) {
9577 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
9578 "0351 Config MSI mailbox command failed, "
9579 "mbxCmd x%x, mbxStatus x%x\n",
9580 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
9584 /* Free memory allocated for mailbox command */
9585 mempool_free(pmb
, phba
->mbox_mem_pool
);
9589 /* Free memory allocated for mailbox command */
9590 mempool_free(pmb
, phba
->mbox_mem_pool
);
9593 /* free the irq already requested */
9594 free_irq(pci_irq_vector(phba
->pcidev
, 1), phba
);
9597 /* free the irq already requested */
9598 free_irq(pci_irq_vector(phba
->pcidev
, 0), phba
);
9601 /* Unconfigure MSI-X capability structure */
9602 pci_free_irq_vectors(phba
->pcidev
);
9609 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
9610 * @phba: pointer to lpfc hba data structure.
9612 * This routine is invoked to enable the MSI interrupt mode to device with
9613 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
9614 * enable the MSI vector. The device driver is responsible for calling the
9615 * request_irq() to register MSI vector with a interrupt the handler, which
9616 * is done in this function.
9620 * other values - error
9623 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
9627 rc
= pci_enable_msi(phba
->pcidev
);
9629 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9630 "0462 PCI enable MSI mode success.\n");
9632 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9633 "0471 PCI enable MSI mode failed (%d)\n", rc
);
9637 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
9638 0, LPFC_DRIVER_NAME
, phba
);
9640 pci_disable_msi(phba
->pcidev
);
9641 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9642 "0478 MSI request_irq failed (%d)\n", rc
);
9648 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
9649 * @phba: pointer to lpfc hba data structure.
9651 * This routine is invoked to enable device interrupt and associate driver's
9652 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
9653 * spec. Depends on the interrupt mode configured to the driver, the driver
9654 * will try to fallback from the configured interrupt mode to an interrupt
9655 * mode which is supported by the platform, kernel, and device in the order
9657 * MSI-X -> MSI -> IRQ.
9661 * other values - error
9664 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9666 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9669 if (cfg_mode
== 2) {
9670 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
9671 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
9673 /* Now, try to enable MSI-X interrupt mode */
9674 retval
= lpfc_sli_enable_msix(phba
);
9676 /* Indicate initialization to MSI-X mode */
9677 phba
->intr_type
= MSIX
;
9683 /* Fallback to MSI if MSI-X initialization failed */
9684 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9685 retval
= lpfc_sli_enable_msi(phba
);
9687 /* Indicate initialization to MSI mode */
9688 phba
->intr_type
= MSI
;
9693 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9694 if (phba
->intr_type
== NONE
) {
9695 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
9696 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9698 /* Indicate initialization to INTx mode */
9699 phba
->intr_type
= INTx
;
9707 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
9708 * @phba: pointer to lpfc hba data structure.
9710 * This routine is invoked to disable device interrupt and disassociate the
9711 * driver's interrupt handler(s) from interrupt vector(s) to device with
9712 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
9713 * release the interrupt vector(s) for the message signaled interrupt.
9716 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
9720 if (phba
->intr_type
== MSIX
)
9721 nr_irqs
= LPFC_MSIX_VECTORS
;
9725 for (i
= 0; i
< nr_irqs
; i
++)
9726 free_irq(pci_irq_vector(phba
->pcidev
, i
), phba
);
9727 pci_free_irq_vectors(phba
->pcidev
);
9729 /* Reset interrupt management states */
9730 phba
->intr_type
= NONE
;
9731 phba
->sli
.slistat
.sli_intr
= 0;
9735 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings
9736 * @phba: pointer to lpfc hba data structure.
9737 * @vectors: number of msix vectors allocated.
9739 * The routine will figure out the CPU affinity assignment for every
9740 * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated
9741 * with a pointer to the CPU mask that defines ALL the CPUs this vector
9742 * can be associated with. If the vector can be unquely associated with
9743 * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu.
9744 * In addition, the CPU to IO channel mapping will be calculated
9745 * and the phba->sli4_hba.cpu_map array will reflect this.
9748 lpfc_cpu_affinity_check(struct lpfc_hba
*phba
, int vectors
)
9750 struct lpfc_vector_map_info
*cpup
;
9755 struct cpuinfo_x86
*cpuinfo
;
9758 /* Init cpu_map array */
9759 memset(phba
->sli4_hba
.cpu_map
, 0xff,
9760 (sizeof(struct lpfc_vector_map_info
) *
9761 phba
->sli4_hba
.num_present_cpu
));
9763 /* Update CPU map with physical id and core id of each CPU */
9764 cpup
= phba
->sli4_hba
.cpu_map
;
9765 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
9767 cpuinfo
= &cpu_data(cpu
);
9768 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
9769 cpup
->core_id
= cpuinfo
->cpu_core_id
;
9771 /* No distinction between CPUs for other platforms */
9775 cpup
->channel_id
= index
; /* For now round robin */
9776 cpup
->irq
= pci_irq_vector(phba
->pcidev
, vec
);
9781 if (index
>= phba
->cfg_fcp_io_channel
)
9789 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
9790 * @phba: pointer to lpfc hba data structure.
9792 * This routine is invoked to enable the MSI-X interrupt vectors to device
9793 * with SLI-4 interface spec.
9797 * other values - error
9800 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
9802 int vectors
, rc
, index
;
9805 /* Set up MSI-X multi-message vectors */
9806 vectors
= phba
->io_channel_irqs
;
9810 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
9811 (phba
->nvmet_support
) ? 1 : 2,
9812 vectors
, PCI_IRQ_MSIX
| PCI_IRQ_AFFINITY
);
9814 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9815 "0484 PCI enable MSI-X failed (%d)\n", rc
);
9820 /* Assign MSI-X vectors to interrupt handlers */
9821 for (index
= 0; index
< vectors
; index
++) {
9822 name
= phba
->sli4_hba
.hba_eq_hdl
[index
].handler_name
;
9823 memset(name
, 0, LPFC_SLI4_HANDLER_NAME_SZ
);
9824 snprintf(name
, LPFC_SLI4_HANDLER_NAME_SZ
,
9825 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
9827 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9828 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9829 atomic_set(&phba
->sli4_hba
.hba_eq_hdl
[index
].hba_eq_in_use
, 1);
9830 if (phba
->cfg_fof
&& (index
== (vectors
- 1)))
9831 rc
= request_irq(pci_irq_vector(phba
->pcidev
, index
),
9832 &lpfc_sli4_fof_intr_handler
, 0,
9834 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9836 rc
= request_irq(pci_irq_vector(phba
->pcidev
, index
),
9837 &lpfc_sli4_hba_intr_handler
, 0,
9839 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9841 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9842 "0486 MSI-X fast-path (%d) "
9843 "request_irq failed (%d)\n", index
, rc
);
9851 if (vectors
!= phba
->io_channel_irqs
) {
9852 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9853 "3238 Reducing IO channels to match number of "
9854 "MSI-X vectors, requested %d got %d\n",
9855 phba
->io_channel_irqs
, vectors
);
9856 if (phba
->cfg_fcp_io_channel
> vectors
)
9857 phba
->cfg_fcp_io_channel
= vectors
;
9858 if (phba
->cfg_nvme_io_channel
> vectors
)
9859 phba
->cfg_nvme_io_channel
= vectors
;
9860 if (phba
->cfg_fcp_io_channel
> phba
->cfg_nvme_io_channel
)
9861 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
9863 phba
->io_channel_irqs
= phba
->cfg_nvme_io_channel
;
9865 lpfc_cpu_affinity_check(phba
, vectors
);
9870 /* free the irq already requested */
9871 for (--index
; index
>= 0; index
--)
9872 free_irq(pci_irq_vector(phba
->pcidev
, index
),
9873 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
9875 /* Unconfigure MSI-X capability structure */
9876 pci_free_irq_vectors(phba
->pcidev
);
9883 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
9884 * @phba: pointer to lpfc hba data structure.
9886 * This routine is invoked to enable the MSI interrupt mode to device with
9887 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
9888 * to enable the MSI vector. The device driver is responsible for calling
9889 * the request_irq() to register MSI vector with a interrupt the handler,
9890 * which is done in this function.
9894 * other values - error
9897 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
9901 rc
= pci_enable_msi(phba
->pcidev
);
9903 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9904 "0487 PCI enable MSI mode success.\n");
9906 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9907 "0488 PCI enable MSI mode failed (%d)\n", rc
);
9911 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9912 0, LPFC_DRIVER_NAME
, phba
);
9914 pci_disable_msi(phba
->pcidev
);
9915 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9916 "0490 MSI request_irq failed (%d)\n", rc
);
9920 for (index
= 0; index
< phba
->io_channel_irqs
; index
++) {
9921 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9922 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9925 if (phba
->cfg_fof
) {
9926 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
9927 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
9933 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
9934 * @phba: pointer to lpfc hba data structure.
9936 * This routine is invoked to enable device interrupt and associate driver's
9937 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
9938 * interface spec. Depends on the interrupt mode configured to the driver,
9939 * the driver will try to fallback from the configured interrupt mode to an
9940 * interrupt mode which is supported by the platform, kernel, and device in
9942 * MSI-X -> MSI -> IRQ.
9946 * other values - error
9949 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9951 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9954 if (cfg_mode
== 2) {
9955 /* Preparation before conf_msi mbox cmd */
9958 /* Now, try to enable MSI-X interrupt mode */
9959 retval
= lpfc_sli4_enable_msix(phba
);
9961 /* Indicate initialization to MSI-X mode */
9962 phba
->intr_type
= MSIX
;
9968 /* Fallback to MSI if MSI-X initialization failed */
9969 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9970 retval
= lpfc_sli4_enable_msi(phba
);
9972 /* Indicate initialization to MSI mode */
9973 phba
->intr_type
= MSI
;
9978 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9979 if (phba
->intr_type
== NONE
) {
9980 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9981 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9983 struct lpfc_hba_eq_hdl
*eqhdl
;
9985 /* Indicate initialization to INTx mode */
9986 phba
->intr_type
= INTx
;
9989 for (idx
= 0; idx
< phba
->io_channel_irqs
; idx
++) {
9990 eqhdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
9993 atomic_set(&eqhdl
->hba_eq_in_use
, 1);
9995 if (phba
->cfg_fof
) {
9996 eqhdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
9999 atomic_set(&eqhdl
->hba_eq_in_use
, 1);
10007 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
10008 * @phba: pointer to lpfc hba data structure.
10010 * This routine is invoked to disable device interrupt and disassociate
10011 * the driver's interrupt handler(s) from interrupt vector(s) to device
10012 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
10013 * will release the interrupt vector(s) for the message signaled interrupt.
10016 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
10018 /* Disable the currently initialized interrupt mode */
10019 if (phba
->intr_type
== MSIX
) {
10022 /* Free up MSI-X multi-message vectors */
10023 for (index
= 0; index
< phba
->io_channel_irqs
; index
++)
10024 free_irq(pci_irq_vector(phba
->pcidev
, index
),
10025 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
10028 free_irq(pci_irq_vector(phba
->pcidev
, index
),
10029 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
10031 free_irq(phba
->pcidev
->irq
, phba
);
10034 pci_free_irq_vectors(phba
->pcidev
);
10036 /* Reset interrupt management states */
10037 phba
->intr_type
= NONE
;
10038 phba
->sli
.slistat
.sli_intr
= 0;
10042 * lpfc_unset_hba - Unset SLI3 hba device initialization
10043 * @phba: pointer to lpfc hba data structure.
10045 * This routine is invoked to unset the HBA device initialization steps to
10046 * a device with SLI-3 interface spec.
10049 lpfc_unset_hba(struct lpfc_hba
*phba
)
10051 struct lpfc_vport
*vport
= phba
->pport
;
10052 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
10054 spin_lock_irq(shost
->host_lock
);
10055 vport
->load_flag
|= FC_UNLOADING
;
10056 spin_unlock_irq(shost
->host_lock
);
10058 kfree(phba
->vpi_bmask
);
10059 kfree(phba
->vpi_ids
);
10061 lpfc_stop_hba_timers(phba
);
10063 phba
->pport
->work_port_events
= 0;
10065 lpfc_sli_hba_down(phba
);
10067 lpfc_sli_brdrestart(phba
);
10069 lpfc_sli_disable_intr(phba
);
10075 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
10076 * @phba: Pointer to HBA context object.
10078 * This function is called in the SLI4 code path to wait for completion
10079 * of device's XRIs exchange busy. It will check the XRI exchange busy
10080 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
10081 * that, it will check the XRI exchange busy on outstanding FCP and ELS
10082 * I/Os every 30 seconds, log error message, and wait forever. Only when
10083 * all XRI exchange busy complete, the driver unload shall proceed with
10084 * invoking the function reset ioctl mailbox command to the CNA and the
10085 * the rest of the driver unload resource release.
10088 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
10091 int nvme_xri_cmpl
= 1;
10092 int nvmet_xri_cmpl
= 1;
10093 int fcp_xri_cmpl
= 1;
10094 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
10096 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
10098 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
10099 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
10101 list_empty(&phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
10103 list_empty(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
10106 while (!fcp_xri_cmpl
|| !els_xri_cmpl
|| !nvme_xri_cmpl
||
10108 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
10109 if (!nvme_xri_cmpl
)
10110 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10111 "6100 NVME XRI exchange busy "
10112 "wait time: %d seconds.\n",
10115 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10116 "2877 FCP XRI exchange busy "
10117 "wait time: %d seconds.\n",
10120 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10121 "2878 ELS XRI exchange busy "
10122 "wait time: %d seconds.\n",
10124 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
10125 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
10127 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
10128 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
10130 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
10131 nvme_xri_cmpl
= list_empty(
10132 &phba
->sli4_hba
.lpfc_abts_nvme_buf_list
);
10133 nvmet_xri_cmpl
= list_empty(
10134 &phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
10137 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
10138 fcp_xri_cmpl
= list_empty(
10139 &phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
10142 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
10148 * lpfc_sli4_hba_unset - Unset the fcoe hba
10149 * @phba: Pointer to HBA context object.
10151 * This function is called in the SLI4 code path to reset the HBA's FCoE
10152 * function. The caller is not required to hold any lock. This routine
10153 * issues PCI function reset mailbox command to reset the FCoE function.
10154 * At the end of the function, it calls lpfc_hba_down_post function to
10155 * free any pending commands.
10158 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
10161 LPFC_MBOXQ_t
*mboxq
;
10162 struct pci_dev
*pdev
= phba
->pcidev
;
10164 lpfc_stop_hba_timers(phba
);
10165 phba
->sli4_hba
.intr_enable
= 0;
10168 * Gracefully wait out the potential current outstanding asynchronous
10172 /* First, block any pending async mailbox command from posted */
10173 spin_lock_irq(&phba
->hbalock
);
10174 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
10175 spin_unlock_irq(&phba
->hbalock
);
10176 /* Now, trying to wait it out if we can */
10177 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
10179 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
10182 /* Forcefully release the outstanding mailbox command if timed out */
10183 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
10184 spin_lock_irq(&phba
->hbalock
);
10185 mboxq
= phba
->sli
.mbox_active
;
10186 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
10187 __lpfc_mbox_cmpl_put(phba
, mboxq
);
10188 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
10189 phba
->sli
.mbox_active
= NULL
;
10190 spin_unlock_irq(&phba
->hbalock
);
10193 /* Abort all iocbs associated with the hba */
10194 lpfc_sli_hba_iocb_abort(phba
);
10196 /* Wait for completion of device XRI exchange busy */
10197 lpfc_sli4_xri_exchange_busy_wait(phba
);
10199 /* Disable PCI subsystem interrupt */
10200 lpfc_sli4_disable_intr(phba
);
10202 /* Disable SR-IOV if enabled */
10203 if (phba
->cfg_sriov_nr_virtfn
)
10204 pci_disable_sriov(pdev
);
10206 /* Stop kthread signal shall trigger work_done one more time */
10207 kthread_stop(phba
->worker_thread
);
10209 /* Unset the queues shared with the hardware then release all
10210 * allocated resources.
10212 lpfc_sli4_queue_unset(phba
);
10213 lpfc_sli4_queue_destroy(phba
);
10215 /* Reset SLI4 HBA FCoE function */
10216 lpfc_pci_function_reset(phba
);
10218 /* Stop the SLI4 device port */
10219 phba
->pport
->work_port_events
= 0;
10223 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
10224 * @phba: Pointer to HBA context object.
10225 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
10227 * This function is called in the SLI4 code path to read the port's
10228 * sli4 capabilities.
10230 * This function may be be called from any context that can block-wait
10231 * for the completion. The expectation is that this routine is called
10232 * typically from probe_one or from the online routine.
10235 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
10238 struct lpfc_mqe
*mqe
;
10239 struct lpfc_pc_sli4_params
*sli4_params
;
10243 mqe
= &mboxq
->u
.mqe
;
10245 /* Read the port's SLI4 Parameters port capabilities */
10246 lpfc_pc_sli4_params(mboxq
);
10247 if (!phba
->sli4_hba
.intr_enable
)
10248 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
10250 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
10251 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
10257 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
10258 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
10259 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
10260 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
10261 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
10262 &mqe
->un
.sli4_params
);
10263 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
10264 &mqe
->un
.sli4_params
);
10265 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
10266 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
10267 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
10268 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
10269 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
10270 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
10271 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
10272 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
10273 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
10274 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
10275 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
10276 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
10277 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
10278 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
10279 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
10280 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
10281 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
10282 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
10283 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
10284 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
10285 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
10287 /* Make sure that sge_supp_len can be handled by the driver */
10288 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
10289 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
10295 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
10296 * @phba: Pointer to HBA context object.
10297 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
10299 * This function is called in the SLI4 code path to read the port's
10300 * sli4 capabilities.
10302 * This function may be be called from any context that can block-wait
10303 * for the completion. The expectation is that this routine is called
10304 * typically from probe_one or from the online routine.
10307 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
10310 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
10311 struct lpfc_pc_sli4_params
*sli4_params
;
10314 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
10317 * By default, the driver assumes the SLI4 port requires RPI
10318 * header postings. The SLI4_PARAM response will correct this
10321 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
10323 /* Read the port's SLI4 Config Parameters */
10324 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
10325 sizeof(struct lpfc_sli4_cfg_mhdr
));
10326 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
10327 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
10328 length
, LPFC_SLI4_MBX_EMBED
);
10329 if (!phba
->sli4_hba
.intr_enable
)
10330 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
10332 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
10333 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
10337 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
10338 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
10339 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
10340 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
10341 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
10342 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
10343 mbx_sli4_parameters
);
10344 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
10345 mbx_sli4_parameters
);
10346 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
10347 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
10349 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
10350 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
10351 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
10352 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
10353 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
10354 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
10355 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
10356 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
10357 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
10358 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
10359 mbx_sli4_parameters
);
10360 sli4_params
->wqpcnt
= bf_get(cfg_wqpcnt
, mbx_sli4_parameters
);
10361 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
10362 mbx_sli4_parameters
);
10363 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
10364 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
10365 phba
->nvme_support
= (bf_get(cfg_nvme
, mbx_sli4_parameters
) &&
10366 bf_get(cfg_xib
, mbx_sli4_parameters
));
10368 if ((phba
->cfg_enable_fc4_type
== LPFC_ENABLE_FCP
) ||
10369 !phba
->nvme_support
) {
10370 phba
->nvme_support
= 0;
10371 phba
->nvmet_support
= 0;
10372 phba
->cfg_nvmet_mrq
= 0;
10373 phba
->cfg_nvme_io_channel
= 0;
10374 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
10375 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_NVME
,
10376 "6101 Disabling NVME support: "
10377 "Not supported by firmware: %d %d\n",
10378 bf_get(cfg_nvme
, mbx_sli4_parameters
),
10379 bf_get(cfg_xib
, mbx_sli4_parameters
));
10381 /* If firmware doesn't support NVME, just use SCSI support */
10382 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
10384 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_FCP
;
10387 if (bf_get(cfg_xib
, mbx_sli4_parameters
) && phba
->cfg_suppress_rsp
)
10388 phba
->sli
.sli_flag
|= LPFC_SLI_SUPPRESS_RSP
;
10390 if (bf_get(cfg_eqdr
, mbx_sli4_parameters
))
10391 phba
->sli
.sli_flag
|= LPFC_SLI_USE_EQDR
;
10393 /* Make sure that sge_supp_len can be handled by the driver */
10394 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
10395 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
10398 * Issue IOs with CDB embedded in WQE to minimized the number
10399 * of DMAs the firmware has to do. Setting this to 1 also forces
10400 * the driver to use 128 bytes WQEs for FCP IOs.
10402 if (bf_get(cfg_ext_embed_cb
, mbx_sli4_parameters
))
10403 phba
->fcp_embed_io
= 1;
10405 phba
->fcp_embed_io
= 0;
10408 * Check if the SLI port supports MDS Diagnostics
10410 if (bf_get(cfg_mds_diags
, mbx_sli4_parameters
))
10411 phba
->mds_diags_support
= 1;
10413 phba
->mds_diags_support
= 0;
10418 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
10419 * @pdev: pointer to PCI device
10420 * @pid: pointer to PCI device identifier
10422 * This routine is to be called to attach a device with SLI-3 interface spec
10423 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
10424 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
10425 * information of the device and driver to see if the driver state that it can
10426 * support this kind of device. If the match is successful, the driver core
10427 * invokes this routine. If this routine determines it can claim the HBA, it
10428 * does all the initialization that it needs to do to handle the HBA properly.
10431 * 0 - driver can claim the device
10432 * negative value - driver can not claim the device
10435 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10437 struct lpfc_hba
*phba
;
10438 struct lpfc_vport
*vport
= NULL
;
10439 struct Scsi_Host
*shost
= NULL
;
10441 uint32_t cfg_mode
, intr_mode
;
10443 /* Allocate memory for HBA structure */
10444 phba
= lpfc_hba_alloc(pdev
);
10448 /* Perform generic PCI device enabling operation */
10449 error
= lpfc_enable_pci_dev(phba
);
10451 goto out_free_phba
;
10453 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
10454 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
10456 goto out_disable_pci_dev
;
10458 /* Set up SLI-3 specific device PCI memory space */
10459 error
= lpfc_sli_pci_mem_setup(phba
);
10461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10462 "1402 Failed to set up pci memory space.\n");
10463 goto out_disable_pci_dev
;
10466 /* Set up SLI-3 specific device driver resources */
10467 error
= lpfc_sli_driver_resource_setup(phba
);
10469 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10470 "1404 Failed to set up driver resource.\n");
10471 goto out_unset_pci_mem_s3
;
10474 /* Initialize and populate the iocb list per host */
10476 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
10478 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10479 "1405 Failed to initialize iocb list.\n");
10480 goto out_unset_driver_resource_s3
;
10483 /* Set up common device driver resources */
10484 error
= lpfc_setup_driver_resource_phase2(phba
);
10486 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10487 "1406 Failed to set up driver resource.\n");
10488 goto out_free_iocb_list
;
10491 /* Get the default values for Model Name and Description */
10492 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10494 /* Create SCSI host to the physical port */
10495 error
= lpfc_create_shost(phba
);
10497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10498 "1407 Failed to create scsi host.\n");
10499 goto out_unset_driver_resource
;
10502 /* Configure sysfs attributes */
10503 vport
= phba
->pport
;
10504 error
= lpfc_alloc_sysfs_attr(vport
);
10506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10507 "1476 Failed to allocate sysfs attr\n");
10508 goto out_destroy_shost
;
10511 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10512 /* Now, trying to enable interrupt and bring up the device */
10513 cfg_mode
= phba
->cfg_use_msi
;
10515 /* Put device to a known state before enabling interrupt */
10516 lpfc_stop_port(phba
);
10517 /* Configure and enable interrupt */
10518 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
10519 if (intr_mode
== LPFC_INTR_ERROR
) {
10520 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10521 "0431 Failed to enable interrupt.\n");
10523 goto out_free_sysfs_attr
;
10525 /* SLI-3 HBA setup */
10526 if (lpfc_sli_hba_setup(phba
)) {
10527 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10528 "1477 Failed to set up hba\n");
10530 goto out_remove_device
;
10533 /* Wait 50ms for the interrupts of previous mailbox commands */
10535 /* Check active interrupts on message signaled interrupts */
10536 if (intr_mode
== 0 ||
10537 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
10538 /* Log the current active interrupt mode */
10539 phba
->intr_mode
= intr_mode
;
10540 lpfc_log_intr_mode(phba
, intr_mode
);
10543 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10544 "0447 Configure interrupt mode (%d) "
10545 "failed active interrupt test.\n",
10547 /* Disable the current interrupt mode */
10548 lpfc_sli_disable_intr(phba
);
10549 /* Try next level of interrupt mode */
10550 cfg_mode
= --intr_mode
;
10554 /* Perform post initialization setup */
10555 lpfc_post_init_setup(phba
);
10557 /* Check if there are static vports to be created. */
10558 lpfc_create_static_vport(phba
);
10563 lpfc_unset_hba(phba
);
10564 out_free_sysfs_attr
:
10565 lpfc_free_sysfs_attr(vport
);
10567 lpfc_destroy_shost(phba
);
10568 out_unset_driver_resource
:
10569 lpfc_unset_driver_resource_phase2(phba
);
10570 out_free_iocb_list
:
10571 lpfc_free_iocb_list(phba
);
10572 out_unset_driver_resource_s3
:
10573 lpfc_sli_driver_resource_unset(phba
);
10574 out_unset_pci_mem_s3
:
10575 lpfc_sli_pci_mem_unset(phba
);
10576 out_disable_pci_dev
:
10577 lpfc_disable_pci_dev(phba
);
10579 scsi_host_put(shost
);
10581 lpfc_hba_free(phba
);
10586 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
10587 * @pdev: pointer to PCI device
10589 * This routine is to be called to disattach a device with SLI-3 interface
10590 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
10591 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10592 * device to be removed from the PCI subsystem properly.
10595 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
10597 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10598 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10599 struct lpfc_vport
**vports
;
10600 struct lpfc_hba
*phba
= vport
->phba
;
10603 spin_lock_irq(&phba
->hbalock
);
10604 vport
->load_flag
|= FC_UNLOADING
;
10605 spin_unlock_irq(&phba
->hbalock
);
10607 lpfc_free_sysfs_attr(vport
);
10609 /* Release all the vports against this physical port */
10610 vports
= lpfc_create_vport_work_array(phba
);
10611 if (vports
!= NULL
)
10612 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10613 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10615 fc_vport_terminate(vports
[i
]->fc_vport
);
10617 lpfc_destroy_vport_work_array(phba
, vports
);
10619 /* Remove FC host and then SCSI host with the physical port */
10620 fc_remove_host(shost
);
10621 scsi_remove_host(shost
);
10623 lpfc_cleanup(vport
);
10626 * Bring down the SLI Layer. This step disable all interrupts,
10627 * clears the rings, discards all mailbox commands, and resets
10631 /* HBA interrupt will be disabled after this call */
10632 lpfc_sli_hba_down(phba
);
10633 /* Stop kthread signal shall trigger work_done one more time */
10634 kthread_stop(phba
->worker_thread
);
10635 /* Final cleanup of txcmplq and reset the HBA */
10636 lpfc_sli_brdrestart(phba
);
10638 kfree(phba
->vpi_bmask
);
10639 kfree(phba
->vpi_ids
);
10641 lpfc_stop_hba_timers(phba
);
10642 spin_lock_irq(&phba
->hbalock
);
10643 list_del_init(&vport
->listentry
);
10644 spin_unlock_irq(&phba
->hbalock
);
10646 lpfc_debugfs_terminate(vport
);
10648 /* Disable SR-IOV if enabled */
10649 if (phba
->cfg_sriov_nr_virtfn
)
10650 pci_disable_sriov(pdev
);
10652 /* Disable interrupt */
10653 lpfc_sli_disable_intr(phba
);
10655 scsi_host_put(shost
);
10658 * Call scsi_free before mem_free since scsi bufs are released to their
10659 * corresponding pools here.
10661 lpfc_scsi_free(phba
);
10662 lpfc_mem_free_all(phba
);
10664 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
10665 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
10667 /* Free resources associated with SLI2 interface */
10668 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
10669 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
10671 /* unmap adapter SLIM and Control Registers */
10672 iounmap(phba
->ctrl_regs_memmap_p
);
10673 iounmap(phba
->slim_memmap_p
);
10675 lpfc_hba_free(phba
);
10677 pci_release_mem_regions(pdev
);
10678 pci_disable_device(pdev
);
10682 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
10683 * @pdev: pointer to PCI device
10684 * @msg: power management message
10686 * This routine is to be called from the kernel's PCI subsystem to support
10687 * system Power Management (PM) to device with SLI-3 interface spec. When
10688 * PM invokes this method, it quiesces the device by stopping the driver's
10689 * worker thread for the device, turning off device's interrupt and DMA,
10690 * and bring the device offline. Note that as the driver implements the
10691 * minimum PM requirements to a power-aware driver's PM support for the
10692 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10693 * to the suspend() method call will be treated as SUSPEND and the driver will
10694 * fully reinitialize its device during resume() method call, the driver will
10695 * set device to PCI_D3hot state in PCI config space instead of setting it
10696 * according to the @msg provided by the PM.
10699 * 0 - driver suspended the device
10703 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
10705 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10706 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10708 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10709 "0473 PCI device Power Management suspend.\n");
10711 /* Bring down the device */
10712 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10713 lpfc_offline(phba
);
10714 kthread_stop(phba
->worker_thread
);
10716 /* Disable interrupt from device */
10717 lpfc_sli_disable_intr(phba
);
10719 /* Save device state to PCI config space */
10720 pci_save_state(pdev
);
10721 pci_set_power_state(pdev
, PCI_D3hot
);
10727 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
10728 * @pdev: pointer to PCI device
10730 * This routine is to be called from the kernel's PCI subsystem to support
10731 * system Power Management (PM) to device with SLI-3 interface spec. When PM
10732 * invokes this method, it restores the device's PCI config space state and
10733 * fully reinitializes the device and brings it online. Note that as the
10734 * driver implements the minimum PM requirements to a power-aware driver's
10735 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
10736 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
10737 * driver will fully reinitialize its device during resume() method call,
10738 * the device will be set to PCI_D0 directly in PCI config space before
10739 * restoring the state.
10742 * 0 - driver suspended the device
10746 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
10748 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10749 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10750 uint32_t intr_mode
;
10753 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10754 "0452 PCI device Power Management resume.\n");
10756 /* Restore device state from PCI config space */
10757 pci_set_power_state(pdev
, PCI_D0
);
10758 pci_restore_state(pdev
);
10761 * As the new kernel behavior of pci_restore_state() API call clears
10762 * device saved_state flag, need to save the restored state again.
10764 pci_save_state(pdev
);
10766 if (pdev
->is_busmaster
)
10767 pci_set_master(pdev
);
10769 /* Startup the kernel thread for this host adapter. */
10770 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10771 "lpfc_worker_%d", phba
->brd_no
);
10772 if (IS_ERR(phba
->worker_thread
)) {
10773 error
= PTR_ERR(phba
->worker_thread
);
10774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10775 "0434 PM resume failed to start worker "
10776 "thread: error=x%x.\n", error
);
10780 /* Configure and enable interrupt */
10781 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10782 if (intr_mode
== LPFC_INTR_ERROR
) {
10783 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10784 "0430 PM resume Failed to enable interrupt\n");
10787 phba
->intr_mode
= intr_mode
;
10789 /* Restart HBA and bring it online */
10790 lpfc_sli_brdrestart(phba
);
10793 /* Log the current active interrupt mode */
10794 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10800 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
10801 * @phba: pointer to lpfc hba data structure.
10803 * This routine is called to prepare the SLI3 device for PCI slot recover. It
10804 * aborts all the outstanding SCSI I/Os to the pci device.
10807 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
10809 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10810 "2723 PCI channel I/O abort preparing for recovery\n");
10813 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10814 * and let the SCSI mid-layer to retry them to recover.
10816 lpfc_sli_abort_fcp_rings(phba
);
10820 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
10821 * @phba: pointer to lpfc hba data structure.
10823 * This routine is called to prepare the SLI3 device for PCI slot reset. It
10824 * disables the device interrupt and pci device, and aborts the internal FCP
10828 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
10830 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10831 "2710 PCI channel disable preparing for reset\n");
10833 /* Block any management I/Os to the device */
10834 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
10836 /* Block all SCSI devices' I/Os on the host */
10837 lpfc_scsi_dev_block(phba
);
10839 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10840 lpfc_sli_flush_fcp_rings(phba
);
10842 /* stop all timers */
10843 lpfc_stop_hba_timers(phba
);
10845 /* Disable interrupt and pci device */
10846 lpfc_sli_disable_intr(phba
);
10847 pci_disable_device(phba
->pcidev
);
10851 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
10852 * @phba: pointer to lpfc hba data structure.
10854 * This routine is called to prepare the SLI3 device for PCI slot permanently
10855 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10859 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10861 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10862 "2711 PCI channel permanent disable for failure\n");
10863 /* Block all SCSI devices' I/Os on the host */
10864 lpfc_scsi_dev_block(phba
);
10866 /* stop all timers */
10867 lpfc_stop_hba_timers(phba
);
10869 /* Clean up all driver's outstanding SCSI I/Os */
10870 lpfc_sli_flush_fcp_rings(phba
);
10874 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
10875 * @pdev: pointer to PCI device.
10876 * @state: the current PCI connection state.
10878 * This routine is called from the PCI subsystem for I/O error handling to
10879 * device with SLI-3 interface spec. This function is called by the PCI
10880 * subsystem after a PCI bus error affecting this device has been detected.
10881 * When this function is invoked, it will need to stop all the I/Os and
10882 * interrupt(s) to the device. Once that is done, it will return
10883 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
10887 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
10888 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10889 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10891 static pci_ers_result_t
10892 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
10894 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10895 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10898 case pci_channel_io_normal
:
10899 /* Non-fatal error, prepare for recovery */
10900 lpfc_sli_prep_dev_for_recover(phba
);
10901 return PCI_ERS_RESULT_CAN_RECOVER
;
10902 case pci_channel_io_frozen
:
10903 /* Fatal error, prepare for slot reset */
10904 lpfc_sli_prep_dev_for_reset(phba
);
10905 return PCI_ERS_RESULT_NEED_RESET
;
10906 case pci_channel_io_perm_failure
:
10907 /* Permanent failure, prepare for device down */
10908 lpfc_sli_prep_dev_for_perm_failure(phba
);
10909 return PCI_ERS_RESULT_DISCONNECT
;
10911 /* Unknown state, prepare and request slot reset */
10912 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10913 "0472 Unknown PCI error state: x%x\n", state
);
10914 lpfc_sli_prep_dev_for_reset(phba
);
10915 return PCI_ERS_RESULT_NEED_RESET
;
10920 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
10921 * @pdev: pointer to PCI device.
10923 * This routine is called from the PCI subsystem for error handling to
10924 * device with SLI-3 interface spec. This is called after PCI bus has been
10925 * reset to restart the PCI card from scratch, as if from a cold-boot.
10926 * During the PCI subsystem error recovery, after driver returns
10927 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10928 * recovery and then call this routine before calling the .resume method
10929 * to recover the device. This function will initialize the HBA device,
10930 * enable the interrupt, but it will just put the HBA to offline state
10931 * without passing any I/O traffic.
10934 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10935 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10937 static pci_ers_result_t
10938 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
10940 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10941 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10942 struct lpfc_sli
*psli
= &phba
->sli
;
10943 uint32_t intr_mode
;
10945 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10946 if (pci_enable_device_mem(pdev
)) {
10947 printk(KERN_ERR
"lpfc: Cannot re-enable "
10948 "PCI device after reset.\n");
10949 return PCI_ERS_RESULT_DISCONNECT
;
10952 pci_restore_state(pdev
);
10955 * As the new kernel behavior of pci_restore_state() API call clears
10956 * device saved_state flag, need to save the restored state again.
10958 pci_save_state(pdev
);
10960 if (pdev
->is_busmaster
)
10961 pci_set_master(pdev
);
10963 spin_lock_irq(&phba
->hbalock
);
10964 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10965 spin_unlock_irq(&phba
->hbalock
);
10967 /* Configure and enable interrupt */
10968 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10969 if (intr_mode
== LPFC_INTR_ERROR
) {
10970 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10971 "0427 Cannot re-enable interrupt after "
10973 return PCI_ERS_RESULT_DISCONNECT
;
10975 phba
->intr_mode
= intr_mode
;
10977 /* Take device offline, it will perform cleanup */
10978 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10979 lpfc_offline(phba
);
10980 lpfc_sli_brdrestart(phba
);
10982 /* Log the current active interrupt mode */
10983 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10985 return PCI_ERS_RESULT_RECOVERED
;
10989 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
10990 * @pdev: pointer to PCI device
10992 * This routine is called from the PCI subsystem for error handling to device
10993 * with SLI-3 interface spec. It is called when kernel error recovery tells
10994 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10995 * error recovery. After this call, traffic can start to flow from this device
10999 lpfc_io_resume_s3(struct pci_dev
*pdev
)
11001 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11002 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11004 /* Bring device online, it will be no-op for non-fatal error resume */
11007 /* Clean up Advanced Error Reporting (AER) if needed */
11008 if (phba
->hba_flag
& HBA_AER_ENABLED
)
11009 pci_cleanup_aer_uncorrect_error_status(pdev
);
11013 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
11014 * @phba: pointer to lpfc hba data structure.
11016 * returns the number of ELS/CT IOCBs to reserve
11019 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
11021 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
11023 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
11024 if (max_xri
<= 100)
11026 else if (max_xri
<= 256)
11028 else if (max_xri
<= 512)
11030 else if (max_xri
<= 1024)
11032 else if (max_xri
<= 1536)
11034 else if (max_xri
<= 2048)
11043 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve
11044 * @phba: pointer to lpfc hba data structure.
11046 * returns the number of ELS/CT + NVMET IOCBs to reserve
11049 lpfc_sli4_get_iocb_cnt(struct lpfc_hba
*phba
)
11051 int max_xri
= lpfc_sli4_get_els_iocb_cnt(phba
);
11053 if (phba
->nvmet_support
)
11054 max_xri
+= LPFC_NVMET_BUF_POST
;
11060 * lpfc_write_firmware - attempt to write a firmware image to the port
11061 * @fw: pointer to firmware image returned from request_firmware.
11062 * @phba: pointer to lpfc hba data structure.
11066 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
11068 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
11069 char fwrev
[FW_REV_STR_SIZE
];
11070 struct lpfc_grp_hdr
*image
;
11071 struct list_head dma_buffer_list
;
11073 struct lpfc_dmabuf
*dmabuf
, *next
;
11074 uint32_t offset
= 0, temp_offset
= 0;
11075 uint32_t magic_number
, ftype
, fid
, fsize
;
11077 /* It can be null in no-wait mode, sanity check */
11082 image
= (struct lpfc_grp_hdr
*)fw
->data
;
11084 magic_number
= be32_to_cpu(image
->magic_number
);
11085 ftype
= bf_get_be32(lpfc_grp_hdr_file_type
, image
);
11086 fid
= bf_get_be32(lpfc_grp_hdr_id
, image
),
11087 fsize
= be32_to_cpu(image
->size
);
11089 INIT_LIST_HEAD(&dma_buffer_list
);
11090 if ((magic_number
!= LPFC_GROUP_OJECT_MAGIC_G5
&&
11091 magic_number
!= LPFC_GROUP_OJECT_MAGIC_G6
) ||
11092 ftype
!= LPFC_FILE_TYPE_GROUP
|| fsize
!= fw
->size
) {
11093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11094 "3022 Invalid FW image found. "
11095 "Magic:%x Type:%x ID:%x Size %d %zd\n",
11096 magic_number
, ftype
, fid
, fsize
, fw
->size
);
11100 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
11101 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
11102 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11103 "3023 Updating Firmware, Current Version:%s "
11104 "New Version:%s\n",
11105 fwrev
, image
->revision
);
11106 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
11107 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
11113 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
11117 if (!dmabuf
->virt
) {
11122 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
11124 while (offset
< fw
->size
) {
11125 temp_offset
= offset
;
11126 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
11127 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
11128 memcpy(dmabuf
->virt
,
11129 fw
->data
+ temp_offset
,
11130 fw
->size
- temp_offset
);
11131 temp_offset
= fw
->size
;
11134 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
11136 temp_offset
+= SLI4_PAGE_SIZE
;
11138 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
11139 (fw
->size
- offset
), &offset
);
11147 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
11148 list_del(&dmabuf
->list
);
11149 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
11150 dmabuf
->virt
, dmabuf
->phys
);
11153 release_firmware(fw
);
11155 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11156 "3024 Firmware update done: %d.\n", rc
);
11161 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
11162 * @phba: pointer to lpfc hba data structure.
11164 * This routine is called to perform Linux generic firmware upgrade on device
11165 * that supports such feature.
11168 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
11170 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
11172 const struct firmware
*fw
;
11174 /* Only supported on SLI4 interface type 2 for now */
11175 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
11176 LPFC_SLI_INTF_IF_TYPE_2
)
11179 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
11181 if (fw_upgrade
== INT_FW_UPGRADE
) {
11182 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
11183 file_name
, &phba
->pcidev
->dev
,
11184 GFP_KERNEL
, (void *)phba
,
11185 lpfc_write_firmware
);
11186 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
11187 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
11189 lpfc_write_firmware(fw
, (void *)phba
);
11198 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
11199 * @pdev: pointer to PCI device
11200 * @pid: pointer to PCI device identifier
11202 * This routine is called from the kernel's PCI subsystem to device with
11203 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
11204 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
11205 * information of the device and driver to see if the driver state that it
11206 * can support this kind of device. If the match is successful, the driver
11207 * core invokes this routine. If this routine determines it can claim the HBA,
11208 * it does all the initialization that it needs to do to handle the HBA
11212 * 0 - driver can claim the device
11213 * negative value - driver can not claim the device
11216 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
11218 struct lpfc_hba
*phba
;
11219 struct lpfc_vport
*vport
= NULL
;
11220 struct Scsi_Host
*shost
= NULL
;
11222 uint32_t cfg_mode
, intr_mode
;
11224 /* Allocate memory for HBA structure */
11225 phba
= lpfc_hba_alloc(pdev
);
11229 /* Perform generic PCI device enabling operation */
11230 error
= lpfc_enable_pci_dev(phba
);
11232 goto out_free_phba
;
11234 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
11235 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
11237 goto out_disable_pci_dev
;
11239 /* Set up SLI-4 specific device PCI memory space */
11240 error
= lpfc_sli4_pci_mem_setup(phba
);
11242 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11243 "1410 Failed to set up pci memory space.\n");
11244 goto out_disable_pci_dev
;
11247 /* Set up SLI-4 Specific device driver resources */
11248 error
= lpfc_sli4_driver_resource_setup(phba
);
11250 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11251 "1412 Failed to set up driver resource.\n");
11252 goto out_unset_pci_mem_s4
;
11255 INIT_LIST_HEAD(&phba
->active_rrq_list
);
11256 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
11258 /* Set up common device driver resources */
11259 error
= lpfc_setup_driver_resource_phase2(phba
);
11261 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11262 "1414 Failed to set up driver resource.\n");
11263 goto out_unset_driver_resource_s4
;
11266 /* Get the default values for Model Name and Description */
11267 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
11269 /* Create SCSI host to the physical port */
11270 error
= lpfc_create_shost(phba
);
11272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11273 "1415 Failed to create scsi host.\n");
11274 goto out_unset_driver_resource
;
11277 /* Configure sysfs attributes */
11278 vport
= phba
->pport
;
11279 error
= lpfc_alloc_sysfs_attr(vport
);
11281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11282 "1416 Failed to allocate sysfs attr\n");
11283 goto out_destroy_shost
;
11286 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
11287 /* Now, trying to enable interrupt and bring up the device */
11288 cfg_mode
= phba
->cfg_use_msi
;
11290 /* Put device to a known state before enabling interrupt */
11291 lpfc_stop_port(phba
);
11293 /* Configure and enable interrupt */
11294 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
11295 if (intr_mode
== LPFC_INTR_ERROR
) {
11296 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11297 "0426 Failed to enable interrupt.\n");
11299 goto out_free_sysfs_attr
;
11301 /* Default to single EQ for non-MSI-X */
11302 if (phba
->intr_type
!= MSIX
) {
11303 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
)
11304 phba
->cfg_fcp_io_channel
= 1;
11305 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
11306 phba
->cfg_nvme_io_channel
= 1;
11307 if (phba
->nvmet_support
)
11308 phba
->cfg_nvmet_mrq
= 1;
11310 phba
->io_channel_irqs
= 1;
11313 /* Set up SLI-4 HBA */
11314 if (lpfc_sli4_hba_setup(phba
)) {
11315 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11316 "1421 Failed to set up hba\n");
11318 goto out_disable_intr
;
11321 /* Log the current active interrupt mode */
11322 phba
->intr_mode
= intr_mode
;
11323 lpfc_log_intr_mode(phba
, intr_mode
);
11325 /* Perform post initialization setup */
11326 lpfc_post_init_setup(phba
);
11328 /* NVME support in FW earlier in the driver load corrects the
11329 * FC4 type making a check for nvme_support unnecessary.
11331 if ((phba
->nvmet_support
== 0) &&
11332 (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)) {
11333 /* Create NVME binding with nvme_fc_transport. This
11334 * ensures the vport is initialized. If the localport
11335 * create fails, it should not unload the driver to
11336 * support field issues.
11338 error
= lpfc_nvme_create_localport(vport
);
11340 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11341 "6004 NVME registration failed, "
11347 /* check for firmware upgrade or downgrade */
11348 if (phba
->cfg_request_firmware_upgrade
)
11349 lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
11351 /* Check if there are static vports to be created. */
11352 lpfc_create_static_vport(phba
);
11356 lpfc_sli4_disable_intr(phba
);
11357 out_free_sysfs_attr
:
11358 lpfc_free_sysfs_attr(vport
);
11360 lpfc_destroy_shost(phba
);
11361 out_unset_driver_resource
:
11362 lpfc_unset_driver_resource_phase2(phba
);
11363 out_unset_driver_resource_s4
:
11364 lpfc_sli4_driver_resource_unset(phba
);
11365 out_unset_pci_mem_s4
:
11366 lpfc_sli4_pci_mem_unset(phba
);
11367 out_disable_pci_dev
:
11368 lpfc_disable_pci_dev(phba
);
11370 scsi_host_put(shost
);
11372 lpfc_hba_free(phba
);
11377 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
11378 * @pdev: pointer to PCI device
11380 * This routine is called from the kernel's PCI subsystem to device with
11381 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
11382 * removed from PCI bus, it performs all the necessary cleanup for the HBA
11383 * device to be removed from the PCI subsystem properly.
11386 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
11388 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11389 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
11390 struct lpfc_vport
**vports
;
11391 struct lpfc_hba
*phba
= vport
->phba
;
11394 /* Mark the device unloading flag */
11395 spin_lock_irq(&phba
->hbalock
);
11396 vport
->load_flag
|= FC_UNLOADING
;
11397 spin_unlock_irq(&phba
->hbalock
);
11399 /* Free the HBA sysfs attributes */
11400 lpfc_free_sysfs_attr(vport
);
11402 /* Release all the vports against this physical port */
11403 vports
= lpfc_create_vport_work_array(phba
);
11404 if (vports
!= NULL
)
11405 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
11406 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
11408 fc_vport_terminate(vports
[i
]->fc_vport
);
11410 lpfc_destroy_vport_work_array(phba
, vports
);
11412 /* Remove FC host and then SCSI host with the physical port */
11413 fc_remove_host(shost
);
11414 scsi_remove_host(shost
);
11416 * Bring down the SLI Layer. This step disables all interrupts,
11417 * clears the rings, discards all mailbox commands, and resets
11418 * the HBA FCoE function.
11420 lpfc_debugfs_terminate(vport
);
11421 lpfc_sli4_hba_unset(phba
);
11423 /* Perform ndlp cleanup on the physical port. The nvme and nvmet
11424 * localports are destroyed after to cleanup all transport memory.
11426 lpfc_cleanup(vport
);
11427 lpfc_nvmet_destroy_targetport(phba
);
11428 lpfc_nvme_destroy_localport(vport
);
11431 lpfc_stop_hba_timers(phba
);
11432 spin_lock_irq(&phba
->hbalock
);
11433 list_del_init(&vport
->listentry
);
11434 spin_unlock_irq(&phba
->hbalock
);
11436 /* Perform scsi free before driver resource_unset since scsi
11437 * buffers are released to their corresponding pools here.
11439 lpfc_scsi_free(phba
);
11440 lpfc_nvme_free(phba
);
11441 lpfc_free_iocb_list(phba
);
11443 lpfc_sli4_driver_resource_unset(phba
);
11445 /* Unmap adapter Control and Doorbell registers */
11446 lpfc_sli4_pci_mem_unset(phba
);
11448 /* Release PCI resources and disable device's PCI function */
11449 scsi_host_put(shost
);
11450 lpfc_disable_pci_dev(phba
);
11452 /* Finally, free the driver's device data structure */
11453 lpfc_hba_free(phba
);
11459 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
11460 * @pdev: pointer to PCI device
11461 * @msg: power management message
11463 * This routine is called from the kernel's PCI subsystem to support system
11464 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
11465 * this method, it quiesces the device by stopping the driver's worker
11466 * thread for the device, turning off device's interrupt and DMA, and bring
11467 * the device offline. Note that as the driver implements the minimum PM
11468 * requirements to a power-aware driver's PM support for suspend/resume -- all
11469 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
11470 * method call will be treated as SUSPEND and the driver will fully
11471 * reinitialize its device during resume() method call, the driver will set
11472 * device to PCI_D3hot state in PCI config space instead of setting it
11473 * according to the @msg provided by the PM.
11476 * 0 - driver suspended the device
11480 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
11482 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11483 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11485 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11486 "2843 PCI device Power Management suspend.\n");
11488 /* Bring down the device */
11489 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11490 lpfc_offline(phba
);
11491 kthread_stop(phba
->worker_thread
);
11493 /* Disable interrupt from device */
11494 lpfc_sli4_disable_intr(phba
);
11495 lpfc_sli4_queue_destroy(phba
);
11497 /* Save device state to PCI config space */
11498 pci_save_state(pdev
);
11499 pci_set_power_state(pdev
, PCI_D3hot
);
11505 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
11506 * @pdev: pointer to PCI device
11508 * This routine is called from the kernel's PCI subsystem to support system
11509 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
11510 * this method, it restores the device's PCI config space state and fully
11511 * reinitializes the device and brings it online. Note that as the driver
11512 * implements the minimum PM requirements to a power-aware driver's PM for
11513 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
11514 * to the suspend() method call will be treated as SUSPEND and the driver
11515 * will fully reinitialize its device during resume() method call, the device
11516 * will be set to PCI_D0 directly in PCI config space before restoring the
11520 * 0 - driver suspended the device
11524 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
11526 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11527 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11528 uint32_t intr_mode
;
11531 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11532 "0292 PCI device Power Management resume.\n");
11534 /* Restore device state from PCI config space */
11535 pci_set_power_state(pdev
, PCI_D0
);
11536 pci_restore_state(pdev
);
11539 * As the new kernel behavior of pci_restore_state() API call clears
11540 * device saved_state flag, need to save the restored state again.
11542 pci_save_state(pdev
);
11544 if (pdev
->is_busmaster
)
11545 pci_set_master(pdev
);
11547 /* Startup the kernel thread for this host adapter. */
11548 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
11549 "lpfc_worker_%d", phba
->brd_no
);
11550 if (IS_ERR(phba
->worker_thread
)) {
11551 error
= PTR_ERR(phba
->worker_thread
);
11552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11553 "0293 PM resume failed to start worker "
11554 "thread: error=x%x.\n", error
);
11558 /* Configure and enable interrupt */
11559 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
11560 if (intr_mode
== LPFC_INTR_ERROR
) {
11561 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11562 "0294 PM resume Failed to enable interrupt\n");
11565 phba
->intr_mode
= intr_mode
;
11567 /* Restart HBA and bring it online */
11568 lpfc_sli_brdrestart(phba
);
11571 /* Log the current active interrupt mode */
11572 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11578 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
11579 * @phba: pointer to lpfc hba data structure.
11581 * This routine is called to prepare the SLI4 device for PCI slot recover. It
11582 * aborts all the outstanding SCSI I/Os to the pci device.
11585 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
11587 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11588 "2828 PCI channel I/O abort preparing for recovery\n");
11590 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
11591 * and let the SCSI mid-layer to retry them to recover.
11593 lpfc_sli_abort_fcp_rings(phba
);
11597 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
11598 * @phba: pointer to lpfc hba data structure.
11600 * This routine is called to prepare the SLI4 device for PCI slot reset. It
11601 * disables the device interrupt and pci device, and aborts the internal FCP
11605 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
11607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11608 "2826 PCI channel disable preparing for reset\n");
11610 /* Block any management I/Os to the device */
11611 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
11613 /* Block all SCSI devices' I/Os on the host */
11614 lpfc_scsi_dev_block(phba
);
11616 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
11617 lpfc_sli_flush_fcp_rings(phba
);
11619 /* stop all timers */
11620 lpfc_stop_hba_timers(phba
);
11622 /* Disable interrupt and pci device */
11623 lpfc_sli4_disable_intr(phba
);
11624 lpfc_sli4_queue_destroy(phba
);
11625 pci_disable_device(phba
->pcidev
);
11629 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
11630 * @phba: pointer to lpfc hba data structure.
11632 * This routine is called to prepare the SLI4 device for PCI slot permanently
11633 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
11637 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
11639 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11640 "2827 PCI channel permanent disable for failure\n");
11642 /* Block all SCSI devices' I/Os on the host */
11643 lpfc_scsi_dev_block(phba
);
11645 /* stop all timers */
11646 lpfc_stop_hba_timers(phba
);
11648 /* Clean up all driver's outstanding SCSI I/Os */
11649 lpfc_sli_flush_fcp_rings(phba
);
11653 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
11654 * @pdev: pointer to PCI device.
11655 * @state: the current PCI connection state.
11657 * This routine is called from the PCI subsystem for error handling to device
11658 * with SLI-4 interface spec. This function is called by the PCI subsystem
11659 * after a PCI bus error affecting this device has been detected. When this
11660 * function is invoked, it will need to stop all the I/Os and interrupt(s)
11661 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
11662 * for the PCI subsystem to perform proper recovery as desired.
11665 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11666 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11668 static pci_ers_result_t
11669 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
11671 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11672 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11675 case pci_channel_io_normal
:
11676 /* Non-fatal error, prepare for recovery */
11677 lpfc_sli4_prep_dev_for_recover(phba
);
11678 return PCI_ERS_RESULT_CAN_RECOVER
;
11679 case pci_channel_io_frozen
:
11680 /* Fatal error, prepare for slot reset */
11681 lpfc_sli4_prep_dev_for_reset(phba
);
11682 return PCI_ERS_RESULT_NEED_RESET
;
11683 case pci_channel_io_perm_failure
:
11684 /* Permanent failure, prepare for device down */
11685 lpfc_sli4_prep_dev_for_perm_failure(phba
);
11686 return PCI_ERS_RESULT_DISCONNECT
;
11688 /* Unknown state, prepare and request slot reset */
11689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11690 "2825 Unknown PCI error state: x%x\n", state
);
11691 lpfc_sli4_prep_dev_for_reset(phba
);
11692 return PCI_ERS_RESULT_NEED_RESET
;
11697 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
11698 * @pdev: pointer to PCI device.
11700 * This routine is called from the PCI subsystem for error handling to device
11701 * with SLI-4 interface spec. It is called after PCI bus has been reset to
11702 * restart the PCI card from scratch, as if from a cold-boot. During the
11703 * PCI subsystem error recovery, after the driver returns
11704 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
11705 * recovery and then call this routine before calling the .resume method to
11706 * recover the device. This function will initialize the HBA device, enable
11707 * the interrupt, but it will just put the HBA to offline state without
11708 * passing any I/O traffic.
11711 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11712 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11714 static pci_ers_result_t
11715 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
11717 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11718 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11719 struct lpfc_sli
*psli
= &phba
->sli
;
11720 uint32_t intr_mode
;
11722 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
11723 if (pci_enable_device_mem(pdev
)) {
11724 printk(KERN_ERR
"lpfc: Cannot re-enable "
11725 "PCI device after reset.\n");
11726 return PCI_ERS_RESULT_DISCONNECT
;
11729 pci_restore_state(pdev
);
11732 * As the new kernel behavior of pci_restore_state() API call clears
11733 * device saved_state flag, need to save the restored state again.
11735 pci_save_state(pdev
);
11737 if (pdev
->is_busmaster
)
11738 pci_set_master(pdev
);
11740 spin_lock_irq(&phba
->hbalock
);
11741 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
11742 spin_unlock_irq(&phba
->hbalock
);
11744 /* Configure and enable interrupt */
11745 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
11746 if (intr_mode
== LPFC_INTR_ERROR
) {
11747 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11748 "2824 Cannot re-enable interrupt after "
11750 return PCI_ERS_RESULT_DISCONNECT
;
11752 phba
->intr_mode
= intr_mode
;
11754 /* Log the current active interrupt mode */
11755 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11757 return PCI_ERS_RESULT_RECOVERED
;
11761 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
11762 * @pdev: pointer to PCI device
11764 * This routine is called from the PCI subsystem for error handling to device
11765 * with SLI-4 interface spec. It is called when kernel error recovery tells
11766 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
11767 * error recovery. After this call, traffic can start to flow from this device
11771 lpfc_io_resume_s4(struct pci_dev
*pdev
)
11773 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11774 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11777 * In case of slot reset, as function reset is performed through
11778 * mailbox command which needs DMA to be enabled, this operation
11779 * has to be moved to the io resume phase. Taking device offline
11780 * will perform the necessary cleanup.
11782 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
11783 /* Perform device reset */
11784 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11785 lpfc_offline(phba
);
11786 lpfc_sli_brdrestart(phba
);
11787 /* Bring the device back online */
11791 /* Clean up Advanced Error Reporting (AER) if needed */
11792 if (phba
->hba_flag
& HBA_AER_ENABLED
)
11793 pci_cleanup_aer_uncorrect_error_status(pdev
);
11797 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
11798 * @pdev: pointer to PCI device
11799 * @pid: pointer to PCI device identifier
11801 * This routine is to be registered to the kernel's PCI subsystem. When an
11802 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
11803 * at PCI device-specific information of the device and driver to see if the
11804 * driver state that it can support this kind of device. If the match is
11805 * successful, the driver core invokes this routine. This routine dispatches
11806 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
11807 * do all the initialization that it needs to do to handle the HBA device
11811 * 0 - driver can claim the device
11812 * negative value - driver can not claim the device
11815 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
11818 struct lpfc_sli_intf intf
;
11820 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
11823 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
11824 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
11825 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
11827 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
11833 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
11834 * @pdev: pointer to PCI device
11836 * This routine is to be registered to the kernel's PCI subsystem. When an
11837 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
11838 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
11839 * remove routine, which will perform all the necessary cleanup for the
11840 * device to be removed from the PCI subsystem properly.
11843 lpfc_pci_remove_one(struct pci_dev
*pdev
)
11845 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11846 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11848 switch (phba
->pci_dev_grp
) {
11849 case LPFC_PCI_DEV_LP
:
11850 lpfc_pci_remove_one_s3(pdev
);
11852 case LPFC_PCI_DEV_OC
:
11853 lpfc_pci_remove_one_s4(pdev
);
11856 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11857 "1424 Invalid PCI device group: 0x%x\n",
11858 phba
->pci_dev_grp
);
11865 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
11866 * @pdev: pointer to PCI device
11867 * @msg: power management message
11869 * This routine is to be registered to the kernel's PCI subsystem to support
11870 * system Power Management (PM). When PM invokes this method, it dispatches
11871 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
11872 * suspend the device.
11875 * 0 - driver suspended the device
11879 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
11881 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11882 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11885 switch (phba
->pci_dev_grp
) {
11886 case LPFC_PCI_DEV_LP
:
11887 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
11889 case LPFC_PCI_DEV_OC
:
11890 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
11893 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11894 "1425 Invalid PCI device group: 0x%x\n",
11895 phba
->pci_dev_grp
);
11902 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
11903 * @pdev: pointer to PCI device
11905 * This routine is to be registered to the kernel's PCI subsystem to support
11906 * system Power Management (PM). When PM invokes this method, it dispatches
11907 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
11908 * resume the device.
11911 * 0 - driver suspended the device
11915 lpfc_pci_resume_one(struct pci_dev
*pdev
)
11917 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11918 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11921 switch (phba
->pci_dev_grp
) {
11922 case LPFC_PCI_DEV_LP
:
11923 rc
= lpfc_pci_resume_one_s3(pdev
);
11925 case LPFC_PCI_DEV_OC
:
11926 rc
= lpfc_pci_resume_one_s4(pdev
);
11929 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11930 "1426 Invalid PCI device group: 0x%x\n",
11931 phba
->pci_dev_grp
);
11938 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
11939 * @pdev: pointer to PCI device.
11940 * @state: the current PCI connection state.
11942 * This routine is registered to the PCI subsystem for error handling. This
11943 * function is called by the PCI subsystem after a PCI bus error affecting
11944 * this device has been detected. When this routine is invoked, it dispatches
11945 * the action to the proper SLI-3 or SLI-4 device error detected handling
11946 * routine, which will perform the proper error detected operation.
11949 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11950 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11952 static pci_ers_result_t
11953 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
11955 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11956 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11957 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11959 switch (phba
->pci_dev_grp
) {
11960 case LPFC_PCI_DEV_LP
:
11961 rc
= lpfc_io_error_detected_s3(pdev
, state
);
11963 case LPFC_PCI_DEV_OC
:
11964 rc
= lpfc_io_error_detected_s4(pdev
, state
);
11967 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11968 "1427 Invalid PCI device group: 0x%x\n",
11969 phba
->pci_dev_grp
);
11976 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
11977 * @pdev: pointer to PCI device.
11979 * This routine is registered to the PCI subsystem for error handling. This
11980 * function is called after PCI bus has been reset to restart the PCI card
11981 * from scratch, as if from a cold-boot. When this routine is invoked, it
11982 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
11983 * routine, which will perform the proper device reset.
11986 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11987 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11989 static pci_ers_result_t
11990 lpfc_io_slot_reset(struct pci_dev
*pdev
)
11992 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11993 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11994 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11996 switch (phba
->pci_dev_grp
) {
11997 case LPFC_PCI_DEV_LP
:
11998 rc
= lpfc_io_slot_reset_s3(pdev
);
12000 case LPFC_PCI_DEV_OC
:
12001 rc
= lpfc_io_slot_reset_s4(pdev
);
12004 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12005 "1428 Invalid PCI device group: 0x%x\n",
12006 phba
->pci_dev_grp
);
12013 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
12014 * @pdev: pointer to PCI device
12016 * This routine is registered to the PCI subsystem for error handling. It
12017 * is called when kernel error recovery tells the lpfc driver that it is
12018 * OK to resume normal PCI operation after PCI bus error recovery. When
12019 * this routine is invoked, it dispatches the action to the proper SLI-3
12020 * or SLI-4 device io_resume routine, which will resume the device operation.
12023 lpfc_io_resume(struct pci_dev
*pdev
)
12025 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12026 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12028 switch (phba
->pci_dev_grp
) {
12029 case LPFC_PCI_DEV_LP
:
12030 lpfc_io_resume_s3(pdev
);
12032 case LPFC_PCI_DEV_OC
:
12033 lpfc_io_resume_s4(pdev
);
12036 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12037 "1429 Invalid PCI device group: 0x%x\n",
12038 phba
->pci_dev_grp
);
12045 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
12046 * @phba: pointer to lpfc hba data structure.
12048 * This routine checks to see if OAS is supported for this adapter. If
12049 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
12050 * the enable oas flag is cleared and the pool created for OAS device data
12055 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
12058 if (!phba
->cfg_EnableXLane
)
12061 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
12065 if (phba
->device_data_mem_pool
)
12066 mempool_destroy(phba
->device_data_mem_pool
);
12067 phba
->device_data_mem_pool
= NULL
;
12074 * lpfc_fof_queue_setup - Set up all the fof queues
12075 * @phba: pointer to lpfc hba data structure.
12077 * This routine is invoked to set up all the fof queues for the FC HBA
12082 * -ENOMEM - No available memory
12085 lpfc_fof_queue_setup(struct lpfc_hba
*phba
)
12087 struct lpfc_sli_ring
*pring
;
12090 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fof_eq
, LPFC_MAX_IMAX
);
12094 if (phba
->cfg_fof
) {
12096 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.oas_cq
,
12097 phba
->sli4_hba
.fof_eq
, LPFC_WCQ
, LPFC_FCP
);
12101 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.oas_wq
,
12102 phba
->sli4_hba
.oas_cq
, LPFC_FCP
);
12106 /* Bind this CQ/WQ to the NVME ring */
12107 pring
= phba
->sli4_hba
.oas_wq
->pring
;
12108 pring
->sli
.sli4
.wqp
=
12109 (void *)phba
->sli4_hba
.oas_wq
;
12110 phba
->sli4_hba
.oas_cq
->pring
= pring
;
12116 lpfc_cq_destroy(phba
, phba
->sli4_hba
.oas_cq
);
12118 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fof_eq
);
12124 * lpfc_fof_queue_create - Create all the fof queues
12125 * @phba: pointer to lpfc hba data structure.
12127 * This routine is invoked to allocate all the fof queues for the FC HBA
12128 * operation. For each SLI4 queue type, the parameters such as queue entry
12129 * count (queue depth) shall be taken from the module parameter. For now,
12130 * we just use some constant number as place holder.
12134 * -ENOMEM - No availble memory
12135 * -EIO - The mailbox failed to complete successfully.
12138 lpfc_fof_queue_create(struct lpfc_hba
*phba
)
12140 struct lpfc_queue
*qdesc
;
12143 /* Create FOF EQ */
12144 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
12145 phba
->sli4_hba
.eq_ecount
);
12149 phba
->sli4_hba
.fof_eq
= qdesc
;
12151 if (phba
->cfg_fof
) {
12153 /* Create OAS CQ */
12154 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
12155 phba
->sli4_hba
.cq_ecount
);
12159 phba
->sli4_hba
.oas_cq
= qdesc
;
12161 /* Create OAS WQ */
12162 wqesize
= (phba
->fcp_embed_io
) ?
12163 LPFC_WQE128_SIZE
: phba
->sli4_hba
.wq_esize
;
12164 qdesc
= lpfc_sli4_queue_alloc(phba
, wqesize
,
12165 phba
->sli4_hba
.wq_ecount
);
12170 phba
->sli4_hba
.oas_wq
= qdesc
;
12171 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
12177 lpfc_fof_queue_destroy(phba
);
12182 * lpfc_fof_queue_destroy - Destroy all the fof queues
12183 * @phba: pointer to lpfc hba data structure.
12185 * This routine is invoked to release all the SLI4 queues with the FC HBA
12192 lpfc_fof_queue_destroy(struct lpfc_hba
*phba
)
12194 /* Release FOF Event queue */
12195 if (phba
->sli4_hba
.fof_eq
!= NULL
) {
12196 lpfc_sli4_queue_free(phba
->sli4_hba
.fof_eq
);
12197 phba
->sli4_hba
.fof_eq
= NULL
;
12200 /* Release OAS Completion queue */
12201 if (phba
->sli4_hba
.oas_cq
!= NULL
) {
12202 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_cq
);
12203 phba
->sli4_hba
.oas_cq
= NULL
;
12206 /* Release OAS Work queue */
12207 if (phba
->sli4_hba
.oas_wq
!= NULL
) {
12208 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_wq
);
12209 phba
->sli4_hba
.oas_wq
= NULL
;
12214 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
12216 static const struct pci_error_handlers lpfc_err_handler
= {
12217 .error_detected
= lpfc_io_error_detected
,
12218 .slot_reset
= lpfc_io_slot_reset
,
12219 .resume
= lpfc_io_resume
,
12222 static struct pci_driver lpfc_driver
= {
12223 .name
= LPFC_DRIVER_NAME
,
12224 .id_table
= lpfc_id_table
,
12225 .probe
= lpfc_pci_probe_one
,
12226 .remove
= lpfc_pci_remove_one
,
12227 .shutdown
= lpfc_pci_remove_one
,
12228 .suspend
= lpfc_pci_suspend_one
,
12229 .resume
= lpfc_pci_resume_one
,
12230 .err_handler
= &lpfc_err_handler
,
12233 static const struct file_operations lpfc_mgmt_fop
= {
12234 .owner
= THIS_MODULE
,
12237 static struct miscdevice lpfc_mgmt_dev
= {
12238 .minor
= MISC_DYNAMIC_MINOR
,
12239 .name
= "lpfcmgmt",
12240 .fops
= &lpfc_mgmt_fop
,
12244 * lpfc_init - lpfc module initialization routine
12246 * This routine is to be invoked when the lpfc module is loaded into the
12247 * kernel. The special kernel macro module_init() is used to indicate the
12248 * role of this routine to the kernel as lpfc module entry point.
12252 * -ENOMEM - FC attach transport failed
12253 * all others - failed
12260 printk(LPFC_MODULE_DESC
"\n");
12261 printk(LPFC_COPYRIGHT
"\n");
12263 error
= misc_register(&lpfc_mgmt_dev
);
12265 printk(KERN_ERR
"Could not register lpfcmgmt device, "
12266 "misc_register returned with status %d", error
);
12268 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
12269 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
12270 lpfc_transport_template
=
12271 fc_attach_transport(&lpfc_transport_functions
);
12272 if (lpfc_transport_template
== NULL
)
12274 lpfc_vport_transport_template
=
12275 fc_attach_transport(&lpfc_vport_transport_functions
);
12276 if (lpfc_vport_transport_template
== NULL
) {
12277 fc_release_transport(lpfc_transport_template
);
12281 /* Initialize in case vector mapping is needed */
12282 lpfc_used_cpu
= NULL
;
12283 lpfc_present_cpu
= num_present_cpus();
12285 error
= pci_register_driver(&lpfc_driver
);
12287 fc_release_transport(lpfc_transport_template
);
12288 fc_release_transport(lpfc_vport_transport_template
);
12295 * lpfc_exit - lpfc module removal routine
12297 * This routine is invoked when the lpfc module is removed from the kernel.
12298 * The special kernel macro module_exit() is used to indicate the role of
12299 * this routine to the kernel as lpfc module exit point.
12304 misc_deregister(&lpfc_mgmt_dev
);
12305 pci_unregister_driver(&lpfc_driver
);
12306 fc_release_transport(lpfc_transport_template
);
12307 fc_release_transport(lpfc_vport_transport_template
);
12308 if (_dump_buf_data
) {
12309 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
12310 "_dump_buf_data at 0x%p\n",
12311 (1L << _dump_buf_data_order
), _dump_buf_data
);
12312 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
12315 if (_dump_buf_dif
) {
12316 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
12317 "_dump_buf_dif at 0x%p\n",
12318 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
12319 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
12321 kfree(lpfc_used_cpu
);
12322 idr_destroy(&lpfc_hba_index
);
12325 module_init(lpfc_init
);
12326 module_exit(lpfc_exit
);
12327 MODULE_LICENSE("GPL");
12328 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
12329 MODULE_AUTHOR("Broadcom");
12330 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);