1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. 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/irq.h>
41 #include <linux/bitops.h>
43 #include <scsi/scsi.h>
44 #include <scsi/scsi_device.h>
45 #include <scsi/scsi_host.h>
46 #include <scsi/scsi_transport_fc.h>
47 #include <scsi/scsi_tcq.h>
48 #include <scsi/fc/fc_fs.h>
50 #include <linux/nvme-fc-driver.h>
55 #include "lpfc_sli4.h"
57 #include "lpfc_disc.h"
59 #include "lpfc_scsi.h"
60 #include "lpfc_nvme.h"
61 #include "lpfc_nvmet.h"
62 #include "lpfc_logmsg.h"
63 #include "lpfc_crtn.h"
64 #include "lpfc_vport.h"
65 #include "lpfc_version.h"
69 unsigned long _dump_buf_data_order
;
71 unsigned long _dump_buf_dif_order
;
72 spinlock_t _dump_buf_lock
;
74 /* Used when mapping IRQ vectors in a driver centric manner */
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
);
96 static uint16_t lpfc_find_eq_handle(struct lpfc_hba
*, uint16_t);
97 static uint16_t lpfc_find_cpu_handle(struct lpfc_hba
*, uint16_t, int);
99 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
100 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
101 static DEFINE_IDR(lpfc_hba_index
);
102 #define LPFC_NVMET_BUF_POST 254
105 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
106 * @phba: pointer to lpfc hba data structure.
108 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
109 * mailbox command. It retrieves the revision information from the HBA and
110 * collects the Vital Product Data (VPD) about the HBA for preparing the
111 * configuration of the HBA.
115 * -ERESTART - requests the SLI layer to reset the HBA and try again.
116 * Any other value - indicates an error.
119 lpfc_config_port_prep(struct lpfc_hba
*phba
)
121 lpfc_vpd_t
*vp
= &phba
->vpd
;
125 char *lpfc_vpd_data
= NULL
;
127 static char licensed
[56] =
128 "key unlock for use with gnu public licensed code only\0";
129 static int init_key
= 1;
131 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
133 phba
->link_state
= LPFC_HBA_ERROR
;
138 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
140 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
142 uint32_t *ptext
= (uint32_t *) licensed
;
144 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
145 *ptext
= cpu_to_be32(*ptext
);
149 lpfc_read_nv(phba
, pmb
);
150 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
151 sizeof (mb
->un
.varRDnvp
.rsvd3
));
152 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
155 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
157 if (rc
!= MBX_SUCCESS
) {
158 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
159 "0324 Config Port initialization "
160 "error, mbxCmd x%x READ_NVPARM, "
162 mb
->mbxCommand
, mb
->mbxStatus
);
163 mempool_free(pmb
, phba
->mbox_mem_pool
);
166 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
168 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
173 * Clear all option bits except LPFC_SLI3_BG_ENABLED,
174 * which was already set in lpfc_get_cfgparam()
176 phba
->sli3_options
&= (uint32_t)LPFC_SLI3_BG_ENABLED
;
178 /* Setup and issue mailbox READ REV command */
179 lpfc_read_rev(phba
, pmb
);
180 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
181 if (rc
!= MBX_SUCCESS
) {
182 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
183 "0439 Adapter failed to init, mbxCmd x%x "
184 "READ_REV, mbxStatus x%x\n",
185 mb
->mbxCommand
, mb
->mbxStatus
);
186 mempool_free( pmb
, phba
->mbox_mem_pool
);
192 * The value of rr must be 1 since the driver set the cv field to 1.
193 * This setting requires the FW to set all revision fields.
195 if (mb
->un
.varRdRev
.rr
== 0) {
197 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
198 "0440 Adapter failed to init, READ_REV has "
199 "missing revision information.\n");
200 mempool_free(pmb
, phba
->mbox_mem_pool
);
204 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
205 mempool_free(pmb
, phba
->mbox_mem_pool
);
209 /* Save information as VPD data */
211 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
212 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
213 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
214 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
215 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
216 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
217 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
218 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
219 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
220 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
221 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
222 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
223 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
224 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
225 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
227 /* If the sli feature level is less then 9, we must
228 * tear down all RPIs and VPIs on link down if NPIV
231 if (vp
->rev
.feaLevelHigh
< 9)
232 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
234 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
235 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
236 sizeof (phba
->RandomData
));
238 /* Get adapter VPD information */
239 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
243 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
244 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
246 if (rc
!= MBX_SUCCESS
) {
247 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
248 "0441 VPD not present on adapter, "
249 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
250 mb
->mbxCommand
, mb
->mbxStatus
);
251 mb
->un
.varDmp
.word_cnt
= 0;
253 /* dump mem may return a zero when finished or we got a
254 * mailbox error, either way we are done.
256 if (mb
->un
.varDmp
.word_cnt
== 0)
258 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
259 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
260 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
261 lpfc_vpd_data
+ offset
,
262 mb
->un
.varDmp
.word_cnt
);
263 offset
+= mb
->un
.varDmp
.word_cnt
;
264 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
265 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
267 kfree(lpfc_vpd_data
);
269 mempool_free(pmb
, phba
->mbox_mem_pool
);
274 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
275 * @phba: pointer to lpfc hba data structure.
276 * @pmboxq: pointer to the driver internal queue element for mailbox command.
278 * This is the completion handler for driver's configuring asynchronous event
279 * mailbox command to the device. If the mailbox command returns successfully,
280 * it will set internal async event support flag to 1; otherwise, it will
281 * set internal async event support flag to 0.
284 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
286 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
287 phba
->temp_sensor_support
= 1;
289 phba
->temp_sensor_support
= 0;
290 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
295 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
296 * @phba: pointer to lpfc hba data structure.
297 * @pmboxq: pointer to the driver internal queue element for mailbox command.
299 * This is the completion handler for dump mailbox command for getting
300 * wake up parameters. When this command complete, the response contain
301 * Option rom version of the HBA. This function translate the version number
302 * into a human readable string and store it in OptionROMVersion.
305 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
308 uint32_t prog_id_word
;
310 /* character array used for decoding dist type. */
311 char dist_char
[] = "nabx";
313 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
314 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
318 prg
= (struct prog_id
*) &prog_id_word
;
320 /* word 7 contain option rom version */
321 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
323 /* Decode the Option rom version word to a readable string */
325 dist
= dist_char
[prg
->dist
];
327 if ((prg
->dist
== 3) && (prg
->num
== 0))
328 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d",
329 prg
->ver
, prg
->rev
, prg
->lev
);
331 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d%c%d",
332 prg
->ver
, prg
->rev
, prg
->lev
,
334 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
339 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
340 * cfg_soft_wwnn, cfg_soft_wwpn
341 * @vport: pointer to lpfc vport data structure.
348 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
350 uint8_t vvvl
= vport
->fc_sparam
.cmn
.valid_vendor_ver_level
;
351 u32
*fawwpn_key
= (u32
*)&vport
->fc_sparam
.un
.vendorVersion
[0];
353 /* If the soft name exists then update it using the service params */
354 if (vport
->phba
->cfg_soft_wwnn
)
355 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
356 vport
->fc_sparam
.nodeName
.u
.wwn
);
357 if (vport
->phba
->cfg_soft_wwpn
)
358 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
359 vport
->fc_sparam
.portName
.u
.wwn
);
362 * If the name is empty or there exists a soft name
363 * then copy the service params name, otherwise use the fc name
365 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
366 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
367 sizeof(struct lpfc_name
));
369 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
370 sizeof(struct lpfc_name
));
373 * If the port name has changed, then set the Param changes flag
376 if (vport
->fc_portname
.u
.wwn
[0] != 0 &&
377 memcmp(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
378 sizeof(struct lpfc_name
)))
379 vport
->vport_flag
|= FAWWPN_PARAM_CHG
;
381 if (vport
->fc_portname
.u
.wwn
[0] == 0 ||
382 vport
->phba
->cfg_soft_wwpn
||
383 (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
) ||
384 vport
->vport_flag
& FAWWPN_SET
) {
385 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
386 sizeof(struct lpfc_name
));
387 vport
->vport_flag
&= ~FAWWPN_SET
;
388 if (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
)
389 vport
->vport_flag
|= FAWWPN_SET
;
392 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
393 sizeof(struct lpfc_name
));
397 * lpfc_config_port_post - Perform lpfc initialization after config port
398 * @phba: pointer to lpfc hba data structure.
400 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
401 * command call. It performs all internal resource and state setups on the
402 * port: post IOCB buffers, enable appropriate host interrupt attentions,
403 * ELS ring timers, etc.
407 * Any other value - error.
410 lpfc_config_port_post(struct lpfc_hba
*phba
)
412 struct lpfc_vport
*vport
= phba
->pport
;
413 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
416 struct lpfc_dmabuf
*mp
;
417 struct lpfc_sli
*psli
= &phba
->sli
;
418 uint32_t status
, timeout
;
422 spin_lock_irq(&phba
->hbalock
);
424 * If the Config port completed correctly the HBA is not
425 * over heated any more.
427 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
428 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
429 spin_unlock_irq(&phba
->hbalock
);
431 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
433 phba
->link_state
= LPFC_HBA_ERROR
;
438 /* Get login parameters for NID. */
439 rc
= lpfc_read_sparam(phba
, pmb
, 0);
441 mempool_free(pmb
, phba
->mbox_mem_pool
);
446 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
447 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
448 "0448 Adapter failed init, mbxCmd x%x "
449 "READ_SPARM mbxStatus x%x\n",
450 mb
->mbxCommand
, mb
->mbxStatus
);
451 phba
->link_state
= LPFC_HBA_ERROR
;
452 mp
= (struct lpfc_dmabuf
*)pmb
->ctx_buf
;
453 mempool_free(pmb
, phba
->mbox_mem_pool
);
454 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
459 mp
= (struct lpfc_dmabuf
*)pmb
->ctx_buf
;
461 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
462 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
465 lpfc_update_vport_wwn(vport
);
467 /* Update the fc_host data structures with new wwn. */
468 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
469 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
470 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
472 /* If no serial number in VPD data, use low 6 bytes of WWNN */
473 /* This should be consolidated into parse_vpd ? - mr */
474 if (phba
->SerialNumber
[0] == 0) {
477 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
478 for (i
= 0; i
< 12; i
++) {
480 j
= ((status
& 0xf0) >> 4);
482 phba
->SerialNumber
[i
] =
483 (char)((uint8_t) 0x30 + (uint8_t) j
);
485 phba
->SerialNumber
[i
] =
486 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
490 phba
->SerialNumber
[i
] =
491 (char)((uint8_t) 0x30 + (uint8_t) j
);
493 phba
->SerialNumber
[i
] =
494 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
498 lpfc_read_config(phba
, pmb
);
500 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
501 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
502 "0453 Adapter failed to init, mbxCmd x%x "
503 "READ_CONFIG, mbxStatus x%x\n",
504 mb
->mbxCommand
, mb
->mbxStatus
);
505 phba
->link_state
= LPFC_HBA_ERROR
;
506 mempool_free( pmb
, phba
->mbox_mem_pool
);
510 /* Check if the port is disabled */
511 lpfc_sli_read_link_ste(phba
);
513 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
514 i
= (mb
->un
.varRdConfig
.max_xri
+ 1);
515 if (phba
->cfg_hba_queue_depth
> i
) {
516 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
517 "3359 HBA queue depth changed from %d to %d\n",
518 phba
->cfg_hba_queue_depth
, i
);
519 phba
->cfg_hba_queue_depth
= i
;
522 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
523 i
= (mb
->un
.varRdConfig
.max_xri
>> 3);
524 if (phba
->pport
->cfg_lun_queue_depth
> i
) {
525 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
526 "3360 LUN queue depth changed from %d to %d\n",
527 phba
->pport
->cfg_lun_queue_depth
, i
);
528 phba
->pport
->cfg_lun_queue_depth
= i
;
531 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
533 /* Get the default values for Model Name and Description */
534 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
536 phba
->link_state
= LPFC_LINK_DOWN
;
538 /* Only process IOCBs on ELS ring till hba_state is READY */
539 if (psli
->sli3_ring
[LPFC_EXTRA_RING
].sli
.sli3
.cmdringaddr
)
540 psli
->sli3_ring
[LPFC_EXTRA_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
541 if (psli
->sli3_ring
[LPFC_FCP_RING
].sli
.sli3
.cmdringaddr
)
542 psli
->sli3_ring
[LPFC_FCP_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
544 /* Post receive buffers for desired rings */
545 if (phba
->sli_rev
!= 3)
546 lpfc_post_rcv_buf(phba
);
549 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
551 if (phba
->intr_type
== MSIX
) {
552 rc
= lpfc_config_msi(phba
, pmb
);
554 mempool_free(pmb
, phba
->mbox_mem_pool
);
557 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
558 if (rc
!= MBX_SUCCESS
) {
559 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
560 "0352 Config MSI mailbox command "
561 "failed, mbxCmd x%x, mbxStatus x%x\n",
562 pmb
->u
.mb
.mbxCommand
,
563 pmb
->u
.mb
.mbxStatus
);
564 mempool_free(pmb
, phba
->mbox_mem_pool
);
569 spin_lock_irq(&phba
->hbalock
);
570 /* Initialize ERATT handling flag */
571 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
573 /* Enable appropriate host interrupts */
574 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
575 spin_unlock_irq(&phba
->hbalock
);
578 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
579 if (psli
->num_rings
> 0)
580 status
|= HC_R0INT_ENA
;
581 if (psli
->num_rings
> 1)
582 status
|= HC_R1INT_ENA
;
583 if (psli
->num_rings
> 2)
584 status
|= HC_R2INT_ENA
;
585 if (psli
->num_rings
> 3)
586 status
|= HC_R3INT_ENA
;
588 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
589 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
590 status
&= ~(HC_R0INT_ENA
);
592 writel(status
, phba
->HCregaddr
);
593 readl(phba
->HCregaddr
); /* flush */
594 spin_unlock_irq(&phba
->hbalock
);
596 /* Set up ring-0 (ELS) timer */
597 timeout
= phba
->fc_ratov
* 2;
598 mod_timer(&vport
->els_tmofunc
,
599 jiffies
+ msecs_to_jiffies(1000 * timeout
));
600 /* Set up heart beat (HB) timer */
601 mod_timer(&phba
->hb_tmofunc
,
602 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
603 phba
->hb_outstanding
= 0;
604 phba
->last_completion_time
= jiffies
;
605 /* Set up error attention (ERATT) polling timer */
606 mod_timer(&phba
->eratt_poll
,
607 jiffies
+ msecs_to_jiffies(1000 * phba
->eratt_poll_interval
));
609 if (phba
->hba_flag
& LINK_DISABLED
) {
610 lpfc_printf_log(phba
,
612 "2598 Adapter Link is disabled.\n");
613 lpfc_down_link(phba
, pmb
);
614 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
615 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
616 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
617 lpfc_printf_log(phba
,
619 "2599 Adapter failed to issue DOWN_LINK"
620 " mbox command rc 0x%x\n", rc
);
622 mempool_free(pmb
, phba
->mbox_mem_pool
);
625 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
626 mempool_free(pmb
, phba
->mbox_mem_pool
);
627 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
631 /* MBOX buffer will be freed in mbox compl */
632 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
634 phba
->link_state
= LPFC_HBA_ERROR
;
638 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
639 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
640 pmb
->vport
= phba
->pport
;
641 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
643 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
644 lpfc_printf_log(phba
,
647 "0456 Adapter failed to issue "
648 "ASYNCEVT_ENABLE mbox status x%x\n",
650 mempool_free(pmb
, phba
->mbox_mem_pool
);
653 /* Get Option rom version */
654 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
656 phba
->link_state
= LPFC_HBA_ERROR
;
660 lpfc_dump_wakeup_param(phba
, pmb
);
661 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
662 pmb
->vport
= phba
->pport
;
663 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
665 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
667 "to get Option ROM version status x%x\n", rc
);
668 mempool_free(pmb
, phba
->mbox_mem_pool
);
675 * lpfc_hba_init_link - Initialize the FC link
676 * @phba: pointer to lpfc hba data structure.
677 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
679 * This routine will issue the INIT_LINK mailbox command call.
680 * It is available to other drivers through the lpfc_hba data
681 * structure for use as a delayed link up mechanism with the
682 * module parameter lpfc_suppress_link_up.
686 * Any other value - error
689 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
691 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
695 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
696 * @phba: pointer to lpfc hba data structure.
697 * @fc_topology: desired fc topology.
698 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
700 * This routine will issue the INIT_LINK mailbox command call.
701 * It is available to other drivers through the lpfc_hba data
702 * structure for use as a delayed link up mechanism with the
703 * module parameter lpfc_suppress_link_up.
707 * Any other value - error
710 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
713 struct lpfc_vport
*vport
= phba
->pport
;
718 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
720 phba
->link_state
= LPFC_HBA_ERROR
;
726 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
727 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
728 !(phba
->lmt
& LMT_1Gb
)) ||
729 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
730 !(phba
->lmt
& LMT_2Gb
)) ||
731 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
732 !(phba
->lmt
& LMT_4Gb
)) ||
733 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
734 !(phba
->lmt
& LMT_8Gb
)) ||
735 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
736 !(phba
->lmt
& LMT_10Gb
)) ||
737 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
738 !(phba
->lmt
& LMT_16Gb
)) ||
739 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_32G
) &&
740 !(phba
->lmt
& LMT_32Gb
)) ||
741 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_64G
) &&
742 !(phba
->lmt
& LMT_64Gb
))) {
743 /* Reset link speed to auto */
744 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
745 "1302 Invalid speed for this board:%d "
746 "Reset link speed to auto.\n",
747 phba
->cfg_link_speed
);
748 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
750 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
751 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
752 if (phba
->sli_rev
< LPFC_SLI_REV4
)
753 lpfc_set_loopback_flag(phba
);
754 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
755 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
756 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
757 "0498 Adapter failed to init, mbxCmd x%x "
758 "INIT_LINK, mbxStatus x%x\n",
759 mb
->mbxCommand
, mb
->mbxStatus
);
760 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
761 /* Clear all interrupt enable conditions */
762 writel(0, phba
->HCregaddr
);
763 readl(phba
->HCregaddr
); /* flush */
764 /* Clear all pending interrupts */
765 writel(0xffffffff, phba
->HAregaddr
);
766 readl(phba
->HAregaddr
); /* flush */
768 phba
->link_state
= LPFC_HBA_ERROR
;
769 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
770 mempool_free(pmb
, phba
->mbox_mem_pool
);
773 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
774 if (flag
== MBX_POLL
)
775 mempool_free(pmb
, phba
->mbox_mem_pool
);
781 * lpfc_hba_down_link - this routine downs the FC link
782 * @phba: pointer to lpfc hba data structure.
783 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
785 * This routine will issue the DOWN_LINK mailbox command call.
786 * It is available to other drivers through the lpfc_hba data
787 * structure for use to stop the link.
791 * Any other value - error
794 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
799 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
801 phba
->link_state
= LPFC_HBA_ERROR
;
805 lpfc_printf_log(phba
,
807 "0491 Adapter Link is disabled.\n");
808 lpfc_down_link(phba
, pmb
);
809 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
810 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
811 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
812 lpfc_printf_log(phba
,
814 "2522 Adapter failed to issue DOWN_LINK"
815 " mbox command rc 0x%x\n", rc
);
817 mempool_free(pmb
, phba
->mbox_mem_pool
);
820 if (flag
== MBX_POLL
)
821 mempool_free(pmb
, phba
->mbox_mem_pool
);
827 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
828 * @phba: pointer to lpfc HBA data structure.
830 * This routine will do LPFC uninitialization before the HBA is reset when
831 * bringing down the SLI Layer.
835 * Any other value - error.
838 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
840 struct lpfc_vport
**vports
;
843 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
844 /* Disable interrupts */
845 writel(0, phba
->HCregaddr
);
846 readl(phba
->HCregaddr
); /* flush */
849 if (phba
->pport
->load_flag
& FC_UNLOADING
)
850 lpfc_cleanup_discovery_resources(phba
->pport
);
852 vports
= lpfc_create_vport_work_array(phba
);
854 for (i
= 0; i
<= phba
->max_vports
&&
855 vports
[i
] != NULL
; i
++)
856 lpfc_cleanup_discovery_resources(vports
[i
]);
857 lpfc_destroy_vport_work_array(phba
, vports
);
863 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
864 * rspiocb which got deferred
866 * @phba: pointer to lpfc HBA data structure.
868 * This routine will cleanup completed slow path events after HBA is reset
869 * when bringing down the SLI Layer.
876 lpfc_sli4_free_sp_events(struct lpfc_hba
*phba
)
878 struct lpfc_iocbq
*rspiocbq
;
879 struct hbq_dmabuf
*dmabuf
;
880 struct lpfc_cq_event
*cq_event
;
882 spin_lock_irq(&phba
->hbalock
);
883 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
884 spin_unlock_irq(&phba
->hbalock
);
886 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
887 /* Get the response iocb from the head of work queue */
888 spin_lock_irq(&phba
->hbalock
);
889 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
890 cq_event
, struct lpfc_cq_event
, list
);
891 spin_unlock_irq(&phba
->hbalock
);
893 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
894 case CQE_CODE_COMPL_WQE
:
895 rspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
897 lpfc_sli_release_iocbq(phba
, rspiocbq
);
899 case CQE_CODE_RECEIVE
:
900 case CQE_CODE_RECEIVE_V1
:
901 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
903 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
909 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
910 * @phba: pointer to lpfc HBA data structure.
912 * This routine will cleanup posted ELS buffers after the HBA is reset
913 * when bringing down the SLI Layer.
920 lpfc_hba_free_post_buf(struct lpfc_hba
*phba
)
922 struct lpfc_sli
*psli
= &phba
->sli
;
923 struct lpfc_sli_ring
*pring
;
924 struct lpfc_dmabuf
*mp
, *next_mp
;
928 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
929 lpfc_sli_hbqbuf_free_all(phba
);
931 /* Cleanup preposted buffers on the ELS ring */
932 pring
= &psli
->sli3_ring
[LPFC_ELS_RING
];
933 spin_lock_irq(&phba
->hbalock
);
934 list_splice_init(&pring
->postbufq
, &buflist
);
935 spin_unlock_irq(&phba
->hbalock
);
938 list_for_each_entry_safe(mp
, next_mp
, &buflist
, list
) {
941 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
945 spin_lock_irq(&phba
->hbalock
);
946 pring
->postbufq_cnt
-= count
;
947 spin_unlock_irq(&phba
->hbalock
);
952 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
953 * @phba: pointer to lpfc HBA data structure.
955 * This routine will cleanup the txcmplq after the HBA is reset when bringing
956 * down the SLI Layer.
962 lpfc_hba_clean_txcmplq(struct lpfc_hba
*phba
)
964 struct lpfc_sli
*psli
= &phba
->sli
;
965 struct lpfc_queue
*qp
= NULL
;
966 struct lpfc_sli_ring
*pring
;
967 LIST_HEAD(completions
);
969 struct lpfc_iocbq
*piocb
, *next_iocb
;
971 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
972 for (i
= 0; i
< psli
->num_rings
; i
++) {
973 pring
= &psli
->sli3_ring
[i
];
974 spin_lock_irq(&phba
->hbalock
);
975 /* At this point in time the HBA is either reset or DOA
976 * Nothing should be on txcmplq as it will
979 list_splice_init(&pring
->txcmplq
, &completions
);
980 pring
->txcmplq_cnt
= 0;
981 spin_unlock_irq(&phba
->hbalock
);
983 lpfc_sli_abort_iocb_ring(phba
, pring
);
985 /* Cancel all the IOCBs from the completions list */
986 lpfc_sli_cancel_iocbs(phba
, &completions
,
987 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
990 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
994 spin_lock_irq(&pring
->ring_lock
);
995 list_for_each_entry_safe(piocb
, next_iocb
,
996 &pring
->txcmplq
, list
)
997 piocb
->iocb_flag
&= ~LPFC_IO_ON_TXCMPLQ
;
998 list_splice_init(&pring
->txcmplq
, &completions
);
999 pring
->txcmplq_cnt
= 0;
1000 spin_unlock_irq(&pring
->ring_lock
);
1001 lpfc_sli_abort_iocb_ring(phba
, pring
);
1003 /* Cancel all the IOCBs from the completions list */
1004 lpfc_sli_cancel_iocbs(phba
, &completions
,
1005 IOSTAT_LOCAL_REJECT
, IOERR_SLI_ABORTED
);
1009 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
1011 * @phba: pointer to lpfc HBA data structure.
1013 * This routine will do uninitialization after the HBA is reset when bring
1014 * down the SLI Layer.
1018 * Any other value - error.
1021 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
1023 lpfc_hba_free_post_buf(phba
);
1024 lpfc_hba_clean_txcmplq(phba
);
1029 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
1030 * @phba: pointer to lpfc HBA data structure.
1032 * This routine will do uninitialization after the HBA is reset when bring
1033 * down the SLI Layer.
1037 * Any other value - error.
1040 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
1042 struct lpfc_io_buf
*psb
, *psb_next
;
1043 struct lpfc_nvmet_rcv_ctx
*ctxp
, *ctxp_next
;
1044 struct lpfc_sli4_hdw_queue
*qp
;
1046 LIST_HEAD(nvme_aborts
);
1047 LIST_HEAD(nvmet_aborts
);
1048 struct lpfc_sglq
*sglq_entry
= NULL
;
1052 lpfc_sli_hbqbuf_free_all(phba
);
1053 lpfc_hba_clean_txcmplq(phba
);
1055 /* At this point in time the HBA is either reset or DOA. Either
1056 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1057 * on the lpfc_els_sgl_list so that it can either be freed if the
1058 * driver is unloading or reposted if the driver is restarting
1061 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_els_sgl_list and */
1063 /* sgl_list_lock required because worker thread uses this
1066 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
1067 list_for_each_entry(sglq_entry
,
1068 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
1069 sglq_entry
->state
= SGL_FREED
;
1071 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
1072 &phba
->sli4_hba
.lpfc_els_sgl_list
);
1075 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
1077 /* abts_xxxx_buf_list_lock required because worker thread uses this
1081 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
1082 qp
= &phba
->sli4_hba
.hdwq
[idx
];
1084 spin_lock(&qp
->abts_scsi_buf_list_lock
);
1085 list_splice_init(&qp
->lpfc_abts_scsi_buf_list
,
1088 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
1090 psb
->status
= IOSTAT_SUCCESS
;
1093 spin_lock(&qp
->io_buf_list_put_lock
);
1094 list_splice_init(&aborts
, &qp
->lpfc_io_buf_list_put
);
1095 qp
->put_io_bufs
+= qp
->abts_scsi_io_bufs
;
1096 qp
->abts_scsi_io_bufs
= 0;
1097 spin_unlock(&qp
->io_buf_list_put_lock
);
1098 spin_unlock(&qp
->abts_scsi_buf_list_lock
);
1100 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1101 spin_lock(&qp
->abts_nvme_buf_list_lock
);
1102 list_splice_init(&qp
->lpfc_abts_nvme_buf_list
,
1104 list_for_each_entry_safe(psb
, psb_next
, &nvme_aborts
,
1107 psb
->status
= IOSTAT_SUCCESS
;
1110 spin_lock(&qp
->io_buf_list_put_lock
);
1111 qp
->put_io_bufs
+= qp
->abts_nvme_io_bufs
;
1112 qp
->abts_nvme_io_bufs
= 0;
1113 list_splice_init(&nvme_aborts
,
1114 &qp
->lpfc_io_buf_list_put
);
1115 spin_unlock(&qp
->io_buf_list_put_lock
);
1116 spin_unlock(&qp
->abts_nvme_buf_list_lock
);
1121 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
1122 spin_lock(&phba
->sli4_hba
.abts_nvmet_buf_list_lock
);
1123 list_splice_init(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
,
1125 spin_unlock(&phba
->sli4_hba
.abts_nvmet_buf_list_lock
);
1126 list_for_each_entry_safe(ctxp
, ctxp_next
, &nvmet_aborts
, list
) {
1127 ctxp
->flag
&= ~(LPFC_NVMET_XBUSY
| LPFC_NVMET_ABORT_OP
);
1128 lpfc_nvmet_ctxbuf_post(phba
, ctxp
->ctxbuf
);
1132 spin_unlock_irq(&phba
->hbalock
);
1133 lpfc_sli4_free_sp_events(phba
);
1138 * lpfc_hba_down_post - Wrapper func for hba down post routine
1139 * @phba: pointer to lpfc HBA data structure.
1141 * This routine wraps the actual SLI3 or SLI4 routine for performing
1142 * uninitialization after the HBA is reset when bring down the SLI Layer.
1146 * Any other value - error.
1149 lpfc_hba_down_post(struct lpfc_hba
*phba
)
1151 return (*phba
->lpfc_hba_down_post
)(phba
);
1155 * lpfc_hb_timeout - The HBA-timer timeout handler
1156 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1158 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1159 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1160 * work-port-events bitmap and the worker thread is notified. This timeout
1161 * event will be used by the worker thread to invoke the actual timeout
1162 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1163 * be performed in the timeout handler and the HBA timeout event bit shall
1164 * be cleared by the worker thread after it has taken the event bitmap out.
1167 lpfc_hb_timeout(struct timer_list
*t
)
1169 struct lpfc_hba
*phba
;
1170 uint32_t tmo_posted
;
1171 unsigned long iflag
;
1173 phba
= from_timer(phba
, t
, hb_tmofunc
);
1175 /* Check for heart beat timeout conditions */
1176 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1177 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
1179 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
1180 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1182 /* Tell the worker thread there is work to do */
1184 lpfc_worker_wake_up(phba
);
1189 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1190 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1192 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1193 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1194 * work-port-events bitmap and the worker thread is notified. This timeout
1195 * event will be used by the worker thread to invoke the actual timeout
1196 * handler routine, lpfc_rrq_handler. Any periodical operations will
1197 * be performed in the timeout handler and the RRQ timeout event bit shall
1198 * be cleared by the worker thread after it has taken the event bitmap out.
1201 lpfc_rrq_timeout(struct timer_list
*t
)
1203 struct lpfc_hba
*phba
;
1204 unsigned long iflag
;
1206 phba
= from_timer(phba
, t
, rrq_tmr
);
1207 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1208 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1209 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
1211 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
1212 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1214 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1215 lpfc_worker_wake_up(phba
);
1219 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1220 * @phba: pointer to lpfc hba data structure.
1221 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1223 * This is the callback function to the lpfc heart-beat mailbox command.
1224 * If configured, the lpfc driver issues the heart-beat mailbox command to
1225 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1226 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1227 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1228 * heart-beat outstanding state. Once the mailbox command comes back and
1229 * no error conditions detected, the heart-beat mailbox command timer is
1230 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1231 * state is cleared for the next heart-beat. If the timer expired with the
1232 * heart-beat outstanding state set, the driver will put the HBA offline.
1235 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1237 unsigned long drvr_flag
;
1239 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1240 phba
->hb_outstanding
= 0;
1241 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1243 /* Check and reset heart-beat timer is necessary */
1244 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1245 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1246 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1247 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1248 mod_timer(&phba
->hb_tmofunc
,
1250 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1255 lpfc_hb_eq_delay_work(struct work_struct
*work
)
1257 struct lpfc_hba
*phba
= container_of(to_delayed_work(work
),
1258 struct lpfc_hba
, eq_delay_work
);
1259 struct lpfc_eq_intr_info
*eqi
, *eqi_new
;
1260 struct lpfc_queue
*eq
, *eq_next
;
1261 unsigned char *eqcnt
= NULL
;
1265 if (!phba
->cfg_auto_imax
|| phba
->pport
->load_flag
& FC_UNLOADING
)
1268 if (phba
->link_state
== LPFC_HBA_ERROR
||
1269 phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1272 eqcnt
= kcalloc(num_possible_cpus(), sizeof(unsigned char),
1277 for (i
= 0; i
< phba
->cfg_irq_chann
; i
++) {
1278 eq
= phba
->sli4_hba
.hdwq
[i
].hba_eq
;
1279 if (eq
&& eqcnt
[eq
->last_cpu
] < 2)
1280 eqcnt
[eq
->last_cpu
]++;
1284 for_each_present_cpu(i
) {
1285 if (phba
->cfg_irq_chann
> 1 && eqcnt
[i
] < 2)
1288 eqi
= per_cpu_ptr(phba
->sli4_hba
.eq_info
, i
);
1290 usdelay
= (eqi
->icnt
/ LPFC_IMAX_THRESHOLD
) *
1292 if (usdelay
> LPFC_MAX_AUTO_EQ_DELAY
)
1293 usdelay
= LPFC_MAX_AUTO_EQ_DELAY
;
1297 list_for_each_entry_safe(eq
, eq_next
, &eqi
->list
, cpu_list
) {
1298 if (eq
->last_cpu
!= i
) {
1299 eqi_new
= per_cpu_ptr(phba
->sli4_hba
.eq_info
,
1301 list_move_tail(&eq
->cpu_list
, &eqi_new
->list
);
1304 if (usdelay
!= eq
->q_mode
)
1305 lpfc_modify_hba_eq_delay(phba
, eq
->hdwq
, 1,
1313 queue_delayed_work(phba
->wq
, &phba
->eq_delay_work
,
1314 msecs_to_jiffies(LPFC_EQ_DELAY_MSECS
));
1318 * lpfc_hb_mxp_handler - Multi-XRI pools handler to adjust XRI distribution
1319 * @phba: pointer to lpfc hba data structure.
1321 * For each heartbeat, this routine does some heuristic methods to adjust
1322 * XRI distribution. The goal is to fully utilize free XRIs.
1324 static void lpfc_hb_mxp_handler(struct lpfc_hba
*phba
)
1329 hwq_count
= phba
->cfg_hdw_queue
;
1330 for (i
= 0; i
< hwq_count
; i
++) {
1331 /* Adjust XRIs in private pool */
1332 lpfc_adjust_pvt_pool_count(phba
, i
);
1334 /* Adjust high watermark */
1335 lpfc_adjust_high_watermark(phba
, i
);
1337 #ifdef LPFC_MXP_STAT
1338 /* Snapshot pbl, pvt and busy count */
1339 lpfc_snapshot_mxp(phba
, i
);
1345 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1346 * @phba: pointer to lpfc hba data structure.
1348 * This is the actual HBA-timer timeout handler to be invoked by the worker
1349 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1350 * handler performs any periodic operations needed for the device. If such
1351 * periodic event has already been attended to either in the interrupt handler
1352 * or by processing slow-ring or fast-ring events within the HBA-timer
1353 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1354 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1355 * is configured and there is no heart-beat mailbox command outstanding, a
1356 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1357 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1361 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1363 struct lpfc_vport
**vports
;
1364 LPFC_MBOXQ_t
*pmboxq
;
1365 struct lpfc_dmabuf
*buf_ptr
;
1367 struct lpfc_sli
*psli
= &phba
->sli
;
1368 LIST_HEAD(completions
);
1370 if (phba
->cfg_xri_rebalancing
) {
1371 /* Multi-XRI pools handler */
1372 lpfc_hb_mxp_handler(phba
);
1375 vports
= lpfc_create_vport_work_array(phba
);
1377 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
1378 lpfc_rcv_seq_check_edtov(vports
[i
]);
1379 lpfc_fdmi_num_disc_check(vports
[i
]);
1381 lpfc_destroy_vport_work_array(phba
, vports
);
1383 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1384 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1385 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1388 spin_lock_irq(&phba
->pport
->work_port_lock
);
1390 if (time_after(phba
->last_completion_time
+
1391 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1393 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1394 if (!phba
->hb_outstanding
)
1395 mod_timer(&phba
->hb_tmofunc
,
1397 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1399 mod_timer(&phba
->hb_tmofunc
,
1401 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1404 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1406 if (phba
->elsbuf_cnt
&&
1407 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1408 spin_lock_irq(&phba
->hbalock
);
1409 list_splice_init(&phba
->elsbuf
, &completions
);
1410 phba
->elsbuf_cnt
= 0;
1411 phba
->elsbuf_prev_cnt
= 0;
1412 spin_unlock_irq(&phba
->hbalock
);
1414 while (!list_empty(&completions
)) {
1415 list_remove_head(&completions
, buf_ptr
,
1416 struct lpfc_dmabuf
, list
);
1417 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1421 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1423 /* If there is no heart beat outstanding, issue a heartbeat command */
1424 if (phba
->cfg_enable_hba_heartbeat
) {
1425 if (!phba
->hb_outstanding
) {
1426 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1427 (list_empty(&psli
->mboxq
))) {
1428 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1431 mod_timer(&phba
->hb_tmofunc
,
1433 msecs_to_jiffies(1000 *
1434 LPFC_HB_MBOX_INTERVAL
));
1438 lpfc_heart_beat(phba
, pmboxq
);
1439 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1440 pmboxq
->vport
= phba
->pport
;
1441 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1444 if (retval
!= MBX_BUSY
&&
1445 retval
!= MBX_SUCCESS
) {
1446 mempool_free(pmboxq
,
1447 phba
->mbox_mem_pool
);
1448 mod_timer(&phba
->hb_tmofunc
,
1450 msecs_to_jiffies(1000 *
1451 LPFC_HB_MBOX_INTERVAL
));
1454 phba
->skipped_hb
= 0;
1455 phba
->hb_outstanding
= 1;
1456 } else if (time_before_eq(phba
->last_completion_time
,
1457 phba
->skipped_hb
)) {
1458 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1459 "2857 Last completion time not "
1460 " updated in %d ms\n",
1461 jiffies_to_msecs(jiffies
1462 - phba
->last_completion_time
));
1464 phba
->skipped_hb
= jiffies
;
1466 mod_timer(&phba
->hb_tmofunc
,
1468 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1472 * If heart beat timeout called with hb_outstanding set
1473 * we need to give the hb mailbox cmd a chance to
1476 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1477 "0459 Adapter heartbeat still out"
1478 "standing:last compl time was %d ms.\n",
1479 jiffies_to_msecs(jiffies
1480 - phba
->last_completion_time
));
1481 mod_timer(&phba
->hb_tmofunc
,
1483 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1486 mod_timer(&phba
->hb_tmofunc
,
1488 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1493 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1494 * @phba: pointer to lpfc hba data structure.
1496 * This routine is called to bring the HBA offline when HBA hardware error
1497 * other than Port Error 6 has been detected.
1500 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1502 struct lpfc_sli
*psli
= &phba
->sli
;
1504 spin_lock_irq(&phba
->hbalock
);
1505 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1506 spin_unlock_irq(&phba
->hbalock
);
1507 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1510 lpfc_reset_barrier(phba
);
1511 spin_lock_irq(&phba
->hbalock
);
1512 lpfc_sli_brdreset(phba
);
1513 spin_unlock_irq(&phba
->hbalock
);
1514 lpfc_hba_down_post(phba
);
1515 lpfc_sli_brdready(phba
, HS_MBRDY
);
1516 lpfc_unblock_mgmt_io(phba
);
1517 phba
->link_state
= LPFC_HBA_ERROR
;
1522 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1523 * @phba: pointer to lpfc hba data structure.
1525 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1526 * other than Port Error 6 has been detected.
1529 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1531 spin_lock_irq(&phba
->hbalock
);
1532 phba
->link_state
= LPFC_HBA_ERROR
;
1533 spin_unlock_irq(&phba
->hbalock
);
1535 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1537 lpfc_hba_down_post(phba
);
1538 lpfc_unblock_mgmt_io(phba
);
1542 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1543 * @phba: pointer to lpfc hba data structure.
1545 * This routine is invoked to handle the deferred HBA hardware error
1546 * conditions. This type of error is indicated by HBA by setting ER1
1547 * and another ER bit in the host status register. The driver will
1548 * wait until the ER1 bit clears before handling the error condition.
1551 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1553 uint32_t old_host_status
= phba
->work_hs
;
1554 struct lpfc_sli
*psli
= &phba
->sli
;
1556 /* If the pci channel is offline, ignore possible errors,
1557 * since we cannot communicate with the pci card anyway.
1559 if (pci_channel_offline(phba
->pcidev
)) {
1560 spin_lock_irq(&phba
->hbalock
);
1561 phba
->hba_flag
&= ~DEFER_ERATT
;
1562 spin_unlock_irq(&phba
->hbalock
);
1566 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1567 "0479 Deferred Adapter Hardware Error "
1568 "Data: x%x x%x x%x\n",
1570 phba
->work_status
[0], phba
->work_status
[1]);
1572 spin_lock_irq(&phba
->hbalock
);
1573 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1574 spin_unlock_irq(&phba
->hbalock
);
1578 * Firmware stops when it triggred erratt. That could cause the I/Os
1579 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1580 * SCSI layer retry it after re-establishing link.
1582 lpfc_sli_abort_fcp_rings(phba
);
1585 * There was a firmware error. Take the hba offline and then
1586 * attempt to restart it.
1588 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1591 /* Wait for the ER1 bit to clear.*/
1592 while (phba
->work_hs
& HS_FFER1
) {
1594 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1595 phba
->work_hs
= UNPLUG_ERR
;
1598 /* If driver is unloading let the worker thread continue */
1599 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1606 * This is to ptrotect against a race condition in which
1607 * first write to the host attention register clear the
1608 * host status register.
1610 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1611 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1613 spin_lock_irq(&phba
->hbalock
);
1614 phba
->hba_flag
&= ~DEFER_ERATT
;
1615 spin_unlock_irq(&phba
->hbalock
);
1616 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1617 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1621 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1623 struct lpfc_board_event_header board_event
;
1624 struct Scsi_Host
*shost
;
1626 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1627 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1628 shost
= lpfc_shost_from_vport(phba
->pport
);
1629 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1630 sizeof(board_event
),
1631 (char *) &board_event
,
1636 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1637 * @phba: pointer to lpfc hba data structure.
1639 * This routine is invoked to handle the following HBA hardware error
1641 * 1 - HBA error attention interrupt
1642 * 2 - DMA ring index out of range
1643 * 3 - Mailbox command came back as unknown
1646 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1648 struct lpfc_vport
*vport
= phba
->pport
;
1649 struct lpfc_sli
*psli
= &phba
->sli
;
1650 uint32_t event_data
;
1651 unsigned long temperature
;
1652 struct temp_event temp_event_data
;
1653 struct Scsi_Host
*shost
;
1655 /* If the pci channel is offline, ignore possible errors,
1656 * since we cannot communicate with the pci card anyway.
1658 if (pci_channel_offline(phba
->pcidev
)) {
1659 spin_lock_irq(&phba
->hbalock
);
1660 phba
->hba_flag
&= ~DEFER_ERATT
;
1661 spin_unlock_irq(&phba
->hbalock
);
1665 /* If resets are disabled then leave the HBA alone and return */
1666 if (!phba
->cfg_enable_hba_reset
)
1669 /* Send an internal error event to mgmt application */
1670 lpfc_board_errevt_to_mgmt(phba
);
1672 if (phba
->hba_flag
& DEFER_ERATT
)
1673 lpfc_handle_deferred_eratt(phba
);
1675 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1676 if (phba
->work_hs
& HS_FFER6
)
1677 /* Re-establishing Link */
1678 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1679 "1301 Re-establishing Link "
1680 "Data: x%x x%x x%x\n",
1681 phba
->work_hs
, phba
->work_status
[0],
1682 phba
->work_status
[1]);
1683 if (phba
->work_hs
& HS_FFER8
)
1684 /* Device Zeroization */
1685 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1686 "2861 Host Authentication device "
1687 "zeroization Data:x%x x%x x%x\n",
1688 phba
->work_hs
, phba
->work_status
[0],
1689 phba
->work_status
[1]);
1691 spin_lock_irq(&phba
->hbalock
);
1692 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1693 spin_unlock_irq(&phba
->hbalock
);
1696 * Firmware stops when it triggled erratt with HS_FFER6.
1697 * That could cause the I/Os dropped by the firmware.
1698 * Error iocb (I/O) on txcmplq and let the SCSI layer
1699 * retry it after re-establishing link.
1701 lpfc_sli_abort_fcp_rings(phba
);
1704 * There was a firmware error. Take the hba offline and then
1705 * attempt to restart it.
1707 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1709 lpfc_sli_brdrestart(phba
);
1710 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1711 lpfc_unblock_mgmt_io(phba
);
1714 lpfc_unblock_mgmt_io(phba
);
1715 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1716 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1717 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1718 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1719 temp_event_data
.data
= (uint32_t)temperature
;
1721 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1722 "0406 Adapter maximum temperature exceeded "
1723 "(%ld), taking this port offline "
1724 "Data: x%x x%x x%x\n",
1725 temperature
, phba
->work_hs
,
1726 phba
->work_status
[0], phba
->work_status
[1]);
1728 shost
= lpfc_shost_from_vport(phba
->pport
);
1729 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1730 sizeof(temp_event_data
),
1731 (char *) &temp_event_data
,
1732 SCSI_NL_VID_TYPE_PCI
1733 | PCI_VENDOR_ID_EMULEX
);
1735 spin_lock_irq(&phba
->hbalock
);
1736 phba
->over_temp_state
= HBA_OVER_TEMP
;
1737 spin_unlock_irq(&phba
->hbalock
);
1738 lpfc_offline_eratt(phba
);
1741 /* The if clause above forces this code path when the status
1742 * failure is a value other than FFER6. Do not call the offline
1743 * twice. This is the adapter hardware error path.
1745 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1746 "0457 Adapter Hardware Error "
1747 "Data: x%x x%x x%x\n",
1749 phba
->work_status
[0], phba
->work_status
[1]);
1751 event_data
= FC_REG_DUMP_EVENT
;
1752 shost
= lpfc_shost_from_vport(vport
);
1753 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1754 sizeof(event_data
), (char *) &event_data
,
1755 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1757 lpfc_offline_eratt(phba
);
1763 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1764 * @phba: pointer to lpfc hba data structure.
1765 * @mbx_action: flag for mailbox shutdown action.
1767 * This routine is invoked to perform an SLI4 port PCI function reset in
1768 * response to port status register polling attention. It waits for port
1769 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1770 * During this process, interrupt vectors are freed and later requested
1771 * for handling possible port resource change.
1774 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1780 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) >=
1781 LPFC_SLI_INTF_IF_TYPE_2
) {
1783 * On error status condition, driver need to wait for port
1784 * ready before performing reset.
1786 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1791 /* need reset: attempt for port recovery */
1793 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1794 "2887 Reset Needed: Attempting Port "
1796 lpfc_offline_prep(phba
, mbx_action
);
1798 /* release interrupt for possible resource change */
1799 lpfc_sli4_disable_intr(phba
);
1800 rc
= lpfc_sli_brdrestart(phba
);
1802 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1803 "6309 Failed to restart board\n");
1806 /* request and enable interrupt */
1807 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1808 if (intr_mode
== LPFC_INTR_ERROR
) {
1809 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1810 "3175 Failed to enable interrupt\n");
1813 phba
->intr_mode
= intr_mode
;
1814 rc
= lpfc_online(phba
);
1816 lpfc_unblock_mgmt_io(phba
);
1822 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1823 * @phba: pointer to lpfc hba data structure.
1825 * This routine is invoked to handle the SLI4 HBA hardware error attention
1829 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1831 struct lpfc_vport
*vport
= phba
->pport
;
1832 uint32_t event_data
;
1833 struct Scsi_Host
*shost
;
1835 struct lpfc_register portstat_reg
= {0};
1836 uint32_t reg_err1
, reg_err2
;
1837 uint32_t uerrlo_reg
, uemasklo_reg
;
1838 uint32_t smphr_port_status
= 0, pci_rd_rc1
, pci_rd_rc2
;
1839 bool en_rn_msg
= true;
1840 struct temp_event temp_event_data
;
1841 struct lpfc_register portsmphr_reg
;
1844 /* If the pci channel is offline, ignore possible errors, since
1845 * we cannot communicate with the pci card anyway.
1847 if (pci_channel_offline(phba
->pcidev
))
1850 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
1851 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1853 case LPFC_SLI_INTF_IF_TYPE_0
:
1854 pci_rd_rc1
= lpfc_readl(
1855 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1857 pci_rd_rc2
= lpfc_readl(
1858 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1860 /* consider PCI bus read error as pci_channel_offline */
1861 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1863 if (!(phba
->hba_flag
& HBA_RECOVERABLE_UE
)) {
1864 lpfc_sli4_offline_eratt(phba
);
1867 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1868 "7623 Checking UE recoverable");
1870 for (i
= 0; i
< phba
->sli4_hba
.ue_to_sr
/ 1000; i
++) {
1871 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1872 &portsmphr_reg
.word0
))
1875 smphr_port_status
= bf_get(lpfc_port_smphr_port_status
,
1877 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1878 LPFC_PORT_SEM_UE_RECOVERABLE
)
1880 /*Sleep for 1Sec, before checking SEMAPHORE */
1884 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1885 "4827 smphr_port_status x%x : Waited %dSec",
1886 smphr_port_status
, i
);
1888 /* Recoverable UE, reset the HBA device */
1889 if ((smphr_port_status
& LPFC_PORT_SEM_MASK
) ==
1890 LPFC_PORT_SEM_UE_RECOVERABLE
) {
1891 for (i
= 0; i
< 20; i
++) {
1893 if (!lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
1894 &portsmphr_reg
.word0
) &&
1895 (LPFC_POST_STAGE_PORT_READY
==
1896 bf_get(lpfc_port_smphr_port_status
,
1898 rc
= lpfc_sli4_port_sta_fn_reset(phba
,
1899 LPFC_MBX_NO_WAIT
, en_rn_msg
);
1902 lpfc_printf_log(phba
,
1904 "4215 Failed to recover UE");
1909 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1910 "7624 Firmware not ready: Failing UE recovery,"
1911 " waited %dSec", i
);
1912 lpfc_sli4_offline_eratt(phba
);
1915 case LPFC_SLI_INTF_IF_TYPE_2
:
1916 case LPFC_SLI_INTF_IF_TYPE_6
:
1917 pci_rd_rc1
= lpfc_readl(
1918 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1919 &portstat_reg
.word0
);
1920 /* consider PCI bus read error as pci_channel_offline */
1921 if (pci_rd_rc1
== -EIO
) {
1922 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1923 "3151 PCI bus read access failure: x%x\n",
1924 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1927 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1928 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1929 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1930 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1931 "2889 Port Overtemperature event, "
1932 "taking port offline Data: x%x x%x\n",
1933 reg_err1
, reg_err2
);
1935 phba
->sfp_alarm
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
1936 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1937 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1938 temp_event_data
.data
= 0xFFFFFFFF;
1940 shost
= lpfc_shost_from_vport(phba
->pport
);
1941 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1942 sizeof(temp_event_data
),
1943 (char *)&temp_event_data
,
1944 SCSI_NL_VID_TYPE_PCI
1945 | PCI_VENDOR_ID_EMULEX
);
1947 spin_lock_irq(&phba
->hbalock
);
1948 phba
->over_temp_state
= HBA_OVER_TEMP
;
1949 spin_unlock_irq(&phba
->hbalock
);
1950 lpfc_sli4_offline_eratt(phba
);
1953 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1954 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1955 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1956 "3143 Port Down: Firmware Update "
1959 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1960 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1961 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1962 "3144 Port Down: Debug Dump\n");
1963 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1964 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1965 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1966 "3145 Port Down: Provisioning\n");
1968 /* If resets are disabled then leave the HBA alone and return */
1969 if (!phba
->cfg_enable_hba_reset
)
1972 /* Check port status register for function reset */
1973 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1976 /* don't report event on forced debug dump */
1977 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1978 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1983 /* fall through for not able to recover */
1984 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1985 "3152 Unrecoverable error, bring the port "
1987 lpfc_sli4_offline_eratt(phba
);
1989 case LPFC_SLI_INTF_IF_TYPE_1
:
1993 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1994 "3123 Report dump event to upper layer\n");
1995 /* Send an internal error event to mgmt application */
1996 lpfc_board_errevt_to_mgmt(phba
);
1998 event_data
= FC_REG_DUMP_EVENT
;
1999 shost
= lpfc_shost_from_vport(vport
);
2000 fc_host_post_vendor_event(shost
, fc_get_event_number(),
2001 sizeof(event_data
), (char *) &event_data
,
2002 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
2006 * lpfc_handle_eratt - Wrapper func for handling hba error attention
2007 * @phba: pointer to lpfc HBA data structure.
2009 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
2010 * routine from the API jump table function pointer from the lpfc_hba struct.
2014 * Any other value - error.
2017 lpfc_handle_eratt(struct lpfc_hba
*phba
)
2019 (*phba
->lpfc_handle_eratt
)(phba
);
2023 * lpfc_handle_latt - The HBA link event handler
2024 * @phba: pointer to lpfc hba data structure.
2026 * This routine is invoked from the worker thread to handle a HBA host
2027 * attention link event. SLI3 only.
2030 lpfc_handle_latt(struct lpfc_hba
*phba
)
2032 struct lpfc_vport
*vport
= phba
->pport
;
2033 struct lpfc_sli
*psli
= &phba
->sli
;
2035 volatile uint32_t control
;
2036 struct lpfc_dmabuf
*mp
;
2039 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2042 goto lpfc_handle_latt_err_exit
;
2045 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
2048 goto lpfc_handle_latt_free_pmb
;
2051 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
2054 goto lpfc_handle_latt_free_mp
;
2057 /* Cleanup any outstanding ELS commands */
2058 lpfc_els_flush_all_cmd(phba
);
2060 psli
->slistat
.link_event
++;
2061 lpfc_read_topology(phba
, pmb
, mp
);
2062 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
2064 /* Block ELS IOCBs until we have processed this mbox command */
2065 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
2066 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
2067 if (rc
== MBX_NOT_FINISHED
) {
2069 goto lpfc_handle_latt_free_mbuf
;
2072 /* Clear Link Attention in HA REG */
2073 spin_lock_irq(&phba
->hbalock
);
2074 writel(HA_LATT
, phba
->HAregaddr
);
2075 readl(phba
->HAregaddr
); /* flush */
2076 spin_unlock_irq(&phba
->hbalock
);
2080 lpfc_handle_latt_free_mbuf
:
2081 phba
->sli
.sli3_ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2082 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2083 lpfc_handle_latt_free_mp
:
2085 lpfc_handle_latt_free_pmb
:
2086 mempool_free(pmb
, phba
->mbox_mem_pool
);
2087 lpfc_handle_latt_err_exit
:
2088 /* Enable Link attention interrupts */
2089 spin_lock_irq(&phba
->hbalock
);
2090 psli
->sli_flag
|= LPFC_PROCESS_LA
;
2091 control
= readl(phba
->HCregaddr
);
2092 control
|= HC_LAINT_ENA
;
2093 writel(control
, phba
->HCregaddr
);
2094 readl(phba
->HCregaddr
); /* flush */
2096 /* Clear Link Attention in HA REG */
2097 writel(HA_LATT
, phba
->HAregaddr
);
2098 readl(phba
->HAregaddr
); /* flush */
2099 spin_unlock_irq(&phba
->hbalock
);
2100 lpfc_linkdown(phba
);
2101 phba
->link_state
= LPFC_HBA_ERROR
;
2103 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
2104 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
2110 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
2111 * @phba: pointer to lpfc hba data structure.
2112 * @vpd: pointer to the vital product data.
2113 * @len: length of the vital product data in bytes.
2115 * This routine parses the Vital Product Data (VPD). The VPD is treated as
2116 * an array of characters. In this routine, the ModelName, ProgramType, and
2117 * ModelDesc, etc. fields of the phba data structure will be populated.
2120 * 0 - pointer to the VPD passed in is NULL
2124 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
2126 uint8_t lenlo
, lenhi
;
2136 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2137 "0455 Vital Product Data: x%x x%x x%x x%x\n",
2138 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
2140 while (!finished
&& (index
< (len
- 4))) {
2141 switch (vpd
[index
]) {
2149 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2158 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
2159 if (Length
> len
- index
)
2160 Length
= len
- index
;
2161 while (Length
> 0) {
2162 /* Look for Serial Number */
2163 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
2170 phba
->SerialNumber
[j
++] = vpd
[index
++];
2174 phba
->SerialNumber
[j
] = 0;
2177 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
2178 phba
->vpd_flag
|= VPD_MODEL_DESC
;
2185 phba
->ModelDesc
[j
++] = vpd
[index
++];
2189 phba
->ModelDesc
[j
] = 0;
2192 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
2193 phba
->vpd_flag
|= VPD_MODEL_NAME
;
2200 phba
->ModelName
[j
++] = vpd
[index
++];
2204 phba
->ModelName
[j
] = 0;
2207 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
2208 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
2215 phba
->ProgramType
[j
++] = vpd
[index
++];
2219 phba
->ProgramType
[j
] = 0;
2222 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
2223 phba
->vpd_flag
|= VPD_PORT
;
2230 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
2231 (phba
->sli4_hba
.pport_name_sta
==
2232 LPFC_SLI4_PPNAME_GET
)) {
2236 phba
->Port
[j
++] = vpd
[index
++];
2240 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
2241 (phba
->sli4_hba
.pport_name_sta
==
2242 LPFC_SLI4_PPNAME_NON
))
2269 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2270 * @phba: pointer to lpfc hba data structure.
2271 * @mdp: pointer to the data structure to hold the derived model name.
2272 * @descp: pointer to the data structure to hold the derived description.
2274 * This routine retrieves HBA's description based on its registered PCI device
2275 * ID. The @descp passed into this function points to an array of 256 chars. It
2276 * shall be returned with the model name, maximum speed, and the host bus type.
2277 * The @mdp passed into this function points to an array of 80 chars. When the
2278 * function returns, the @mdp will be filled with the model name.
2281 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2284 uint16_t dev_id
= phba
->pcidev
->device
;
2287 int oneConnect
= 0; /* default is not a oneConnect */
2292 } m
= {"<Unknown>", "", ""};
2294 if (mdp
&& mdp
[0] != '\0'
2295 && descp
&& descp
[0] != '\0')
2298 if (phba
->lmt
& LMT_64Gb
)
2300 else if (phba
->lmt
& LMT_32Gb
)
2302 else if (phba
->lmt
& LMT_16Gb
)
2304 else if (phba
->lmt
& LMT_10Gb
)
2306 else if (phba
->lmt
& LMT_8Gb
)
2308 else if (phba
->lmt
& LMT_4Gb
)
2310 else if (phba
->lmt
& LMT_2Gb
)
2312 else if (phba
->lmt
& LMT_1Gb
)
2320 case PCI_DEVICE_ID_FIREFLY
:
2321 m
= (typeof(m
)){"LP6000", "PCI",
2322 "Obsolete, Unsupported Fibre Channel Adapter"};
2324 case PCI_DEVICE_ID_SUPERFLY
:
2325 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2326 m
= (typeof(m
)){"LP7000", "PCI", ""};
2328 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2329 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2331 case PCI_DEVICE_ID_DRAGONFLY
:
2332 m
= (typeof(m
)){"LP8000", "PCI",
2333 "Obsolete, Unsupported Fibre Channel Adapter"};
2335 case PCI_DEVICE_ID_CENTAUR
:
2336 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2337 m
= (typeof(m
)){"LP9002", "PCI", ""};
2339 m
= (typeof(m
)){"LP9000", "PCI", ""};
2340 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2342 case PCI_DEVICE_ID_RFLY
:
2343 m
= (typeof(m
)){"LP952", "PCI",
2344 "Obsolete, Unsupported Fibre Channel Adapter"};
2346 case PCI_DEVICE_ID_PEGASUS
:
2347 m
= (typeof(m
)){"LP9802", "PCI-X",
2348 "Obsolete, Unsupported Fibre Channel Adapter"};
2350 case PCI_DEVICE_ID_THOR
:
2351 m
= (typeof(m
)){"LP10000", "PCI-X",
2352 "Obsolete, Unsupported Fibre Channel Adapter"};
2354 case PCI_DEVICE_ID_VIPER
:
2355 m
= (typeof(m
)){"LPX1000", "PCI-X",
2356 "Obsolete, Unsupported Fibre Channel Adapter"};
2358 case PCI_DEVICE_ID_PFLY
:
2359 m
= (typeof(m
)){"LP982", "PCI-X",
2360 "Obsolete, Unsupported Fibre Channel Adapter"};
2362 case PCI_DEVICE_ID_TFLY
:
2363 m
= (typeof(m
)){"LP1050", "PCI-X",
2364 "Obsolete, Unsupported Fibre Channel Adapter"};
2366 case PCI_DEVICE_ID_HELIOS
:
2367 m
= (typeof(m
)){"LP11000", "PCI-X2",
2368 "Obsolete, Unsupported Fibre Channel Adapter"};
2370 case PCI_DEVICE_ID_HELIOS_SCSP
:
2371 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2372 "Obsolete, Unsupported Fibre Channel Adapter"};
2374 case PCI_DEVICE_ID_HELIOS_DCSP
:
2375 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2376 "Obsolete, Unsupported Fibre Channel Adapter"};
2378 case PCI_DEVICE_ID_NEPTUNE
:
2379 m
= (typeof(m
)){"LPe1000", "PCIe",
2380 "Obsolete, Unsupported Fibre Channel Adapter"};
2382 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2383 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2384 "Obsolete, Unsupported Fibre Channel Adapter"};
2386 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2387 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2388 "Obsolete, Unsupported Fibre Channel Adapter"};
2390 case PCI_DEVICE_ID_BMID
:
2391 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2393 case PCI_DEVICE_ID_BSMB
:
2394 m
= (typeof(m
)){"LP111", "PCI-X2",
2395 "Obsolete, Unsupported Fibre Channel Adapter"};
2397 case PCI_DEVICE_ID_ZEPHYR
:
2398 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2400 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2401 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2403 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2404 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2407 case PCI_DEVICE_ID_ZMID
:
2408 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2410 case PCI_DEVICE_ID_ZSMB
:
2411 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2413 case PCI_DEVICE_ID_LP101
:
2414 m
= (typeof(m
)){"LP101", "PCI-X",
2415 "Obsolete, Unsupported Fibre Channel Adapter"};
2417 case PCI_DEVICE_ID_LP10000S
:
2418 m
= (typeof(m
)){"LP10000-S", "PCI",
2419 "Obsolete, Unsupported Fibre Channel Adapter"};
2421 case PCI_DEVICE_ID_LP11000S
:
2422 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2423 "Obsolete, Unsupported Fibre Channel Adapter"};
2425 case PCI_DEVICE_ID_LPE11000S
:
2426 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2427 "Obsolete, Unsupported Fibre Channel Adapter"};
2429 case PCI_DEVICE_ID_SAT
:
2430 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2432 case PCI_DEVICE_ID_SAT_MID
:
2433 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2435 case PCI_DEVICE_ID_SAT_SMB
:
2436 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2438 case PCI_DEVICE_ID_SAT_DCSP
:
2439 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2441 case PCI_DEVICE_ID_SAT_SCSP
:
2442 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2444 case PCI_DEVICE_ID_SAT_S
:
2445 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2447 case PCI_DEVICE_ID_HORNET
:
2448 m
= (typeof(m
)){"LP21000", "PCIe",
2449 "Obsolete, Unsupported FCoE Adapter"};
2452 case PCI_DEVICE_ID_PROTEUS_VF
:
2453 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2454 "Obsolete, Unsupported Fibre Channel Adapter"};
2456 case PCI_DEVICE_ID_PROTEUS_PF
:
2457 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2458 "Obsolete, Unsupported Fibre Channel Adapter"};
2460 case PCI_DEVICE_ID_PROTEUS_S
:
2461 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2462 "Obsolete, Unsupported Fibre Channel Adapter"};
2464 case PCI_DEVICE_ID_TIGERSHARK
:
2466 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2468 case PCI_DEVICE_ID_TOMCAT
:
2470 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2472 case PCI_DEVICE_ID_FALCON
:
2473 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2474 "EmulexSecure Fibre"};
2476 case PCI_DEVICE_ID_BALIUS
:
2477 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2478 "Obsolete, Unsupported Fibre Channel Adapter"};
2480 case PCI_DEVICE_ID_LANCER_FC
:
2481 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2483 case PCI_DEVICE_ID_LANCER_FC_VF
:
2484 m
= (typeof(m
)){"LPe16000", "PCIe",
2485 "Obsolete, Unsupported Fibre Channel Adapter"};
2487 case PCI_DEVICE_ID_LANCER_FCOE
:
2489 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2491 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2493 m
= (typeof(m
)){"OCe15100", "PCIe",
2494 "Obsolete, Unsupported FCoE"};
2496 case PCI_DEVICE_ID_LANCER_G6_FC
:
2497 m
= (typeof(m
)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2499 case PCI_DEVICE_ID_LANCER_G7_FC
:
2500 m
= (typeof(m
)){"LPe36000", "PCIe", "Fibre Channel Adapter"};
2502 case PCI_DEVICE_ID_SKYHAWK
:
2503 case PCI_DEVICE_ID_SKYHAWK_VF
:
2505 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2508 m
= (typeof(m
)){"Unknown", "", ""};
2512 if (mdp
&& mdp
[0] == '\0')
2513 snprintf(mdp
, 79,"%s", m
.name
);
2515 * oneConnect hba requires special processing, they are all initiators
2516 * and we put the port number on the end
2518 if (descp
&& descp
[0] == '\0') {
2520 snprintf(descp
, 255,
2521 "Emulex OneConnect %s, %s Initiator %s",
2524 else if (max_speed
== 0)
2525 snprintf(descp
, 255,
2527 m
.name
, m
.bus
, m
.function
);
2529 snprintf(descp
, 255,
2530 "Emulex %s %d%s %s %s",
2531 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2537 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2538 * @phba: pointer to lpfc hba data structure.
2539 * @pring: pointer to a IOCB ring.
2540 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2542 * This routine posts a given number of IOCBs with the associated DMA buffer
2543 * descriptors specified by the cnt argument to the given IOCB ring.
2546 * The number of IOCBs NOT able to be posted to the IOCB ring.
2549 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2552 struct lpfc_iocbq
*iocb
;
2553 struct lpfc_dmabuf
*mp1
, *mp2
;
2555 cnt
+= pring
->missbufcnt
;
2557 /* While there are buffers to post */
2559 /* Allocate buffer for command iocb */
2560 iocb
= lpfc_sli_get_iocbq(phba
);
2562 pring
->missbufcnt
= cnt
;
2567 /* 2 buffers can be posted per command */
2568 /* Allocate buffer to post */
2569 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2571 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2572 if (!mp1
|| !mp1
->virt
) {
2574 lpfc_sli_release_iocbq(phba
, iocb
);
2575 pring
->missbufcnt
= cnt
;
2579 INIT_LIST_HEAD(&mp1
->list
);
2580 /* Allocate buffer to post */
2582 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2584 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2586 if (!mp2
|| !mp2
->virt
) {
2588 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2590 lpfc_sli_release_iocbq(phba
, iocb
);
2591 pring
->missbufcnt
= cnt
;
2595 INIT_LIST_HEAD(&mp2
->list
);
2600 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2601 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2602 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2603 icmd
->ulpBdeCount
= 1;
2606 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2607 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2608 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2610 icmd
->ulpBdeCount
= 2;
2613 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2616 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2618 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2622 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2626 lpfc_sli_release_iocbq(phba
, iocb
);
2627 pring
->missbufcnt
= cnt
;
2630 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2632 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2634 pring
->missbufcnt
= 0;
2639 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2640 * @phba: pointer to lpfc hba data structure.
2642 * This routine posts initial receive IOCB buffers to the ELS ring. The
2643 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2644 * set to 64 IOCBs. SLI3 only.
2647 * 0 - success (currently always success)
2650 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2652 struct lpfc_sli
*psli
= &phba
->sli
;
2654 /* Ring 0, ELS / CT buffers */
2655 lpfc_post_buffer(phba
, &psli
->sli3_ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2656 /* Ring 2 - FCP no buffers needed */
2661 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2664 * lpfc_sha_init - Set up initial array of hash table entries
2665 * @HashResultPointer: pointer to an array as hash table.
2667 * This routine sets up the initial values to the array of hash table entries
2671 lpfc_sha_init(uint32_t * HashResultPointer
)
2673 HashResultPointer
[0] = 0x67452301;
2674 HashResultPointer
[1] = 0xEFCDAB89;
2675 HashResultPointer
[2] = 0x98BADCFE;
2676 HashResultPointer
[3] = 0x10325476;
2677 HashResultPointer
[4] = 0xC3D2E1F0;
2681 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2682 * @HashResultPointer: pointer to an initial/result hash table.
2683 * @HashWorkingPointer: pointer to an working hash table.
2685 * This routine iterates an initial hash table pointed by @HashResultPointer
2686 * with the values from the working hash table pointeed by @HashWorkingPointer.
2687 * The results are putting back to the initial hash table, returned through
2688 * the @HashResultPointer as the result hash table.
2691 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2695 uint32_t A
, B
, C
, D
, E
;
2698 HashWorkingPointer
[t
] =
2700 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2702 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2703 } while (++t
<= 79);
2705 A
= HashResultPointer
[0];
2706 B
= HashResultPointer
[1];
2707 C
= HashResultPointer
[2];
2708 D
= HashResultPointer
[3];
2709 E
= HashResultPointer
[4];
2713 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2714 } else if (t
< 40) {
2715 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2716 } else if (t
< 60) {
2717 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2719 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2721 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2727 } while (++t
<= 79);
2729 HashResultPointer
[0] += A
;
2730 HashResultPointer
[1] += B
;
2731 HashResultPointer
[2] += C
;
2732 HashResultPointer
[3] += D
;
2733 HashResultPointer
[4] += E
;
2738 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2739 * @RandomChallenge: pointer to the entry of host challenge random number array.
2740 * @HashWorking: pointer to the entry of the working hash array.
2742 * This routine calculates the working hash array referred by @HashWorking
2743 * from the challenge random numbers associated with the host, referred by
2744 * @RandomChallenge. The result is put into the entry of the working hash
2745 * array and returned by reference through @HashWorking.
2748 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2750 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2754 * lpfc_hba_init - Perform special handling for LC HBA initialization
2755 * @phba: pointer to lpfc hba data structure.
2756 * @hbainit: pointer to an array of unsigned 32-bit integers.
2758 * This routine performs the special handling for LC HBA initialization.
2761 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2764 uint32_t *HashWorking
;
2765 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2767 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2771 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2772 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2774 for (t
= 0; t
< 7; t
++)
2775 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2777 lpfc_sha_init(hbainit
);
2778 lpfc_sha_iterate(hbainit
, HashWorking
);
2783 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2784 * @vport: pointer to a virtual N_Port data structure.
2786 * This routine performs the necessary cleanups before deleting the @vport.
2787 * It invokes the discovery state machine to perform necessary state
2788 * transitions and to release the ndlps associated with the @vport. Note,
2789 * the physical port is treated as @vport 0.
2792 lpfc_cleanup(struct lpfc_vport
*vport
)
2794 struct lpfc_hba
*phba
= vport
->phba
;
2795 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2798 if (phba
->link_state
> LPFC_LINK_DOWN
)
2799 lpfc_port_link_failure(vport
);
2801 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2802 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2803 ndlp
= lpfc_enable_node(vport
, ndlp
,
2804 NLP_STE_UNUSED_NODE
);
2807 spin_lock_irq(&phba
->ndlp_lock
);
2808 NLP_SET_FREE_REQ(ndlp
);
2809 spin_unlock_irq(&phba
->ndlp_lock
);
2810 /* Trigger the release of the ndlp memory */
2814 spin_lock_irq(&phba
->ndlp_lock
);
2815 if (NLP_CHK_FREE_REQ(ndlp
)) {
2816 /* The ndlp should not be in memory free mode already */
2817 spin_unlock_irq(&phba
->ndlp_lock
);
2820 /* Indicate request for freeing ndlp memory */
2821 NLP_SET_FREE_REQ(ndlp
);
2822 spin_unlock_irq(&phba
->ndlp_lock
);
2824 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2825 ndlp
->nlp_DID
== Fabric_DID
) {
2826 /* Just free up ndlp with Fabric_DID for vports */
2831 /* take care of nodes in unused state before the state
2832 * machine taking action.
2834 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2839 if (ndlp
->nlp_type
& NLP_FABRIC
)
2840 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2841 NLP_EVT_DEVICE_RECOVERY
);
2843 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2847 /* At this point, ALL ndlp's should be gone
2848 * because of the previous NLP_EVT_DEVICE_RM.
2849 * Lets wait for this to happen, if needed.
2851 while (!list_empty(&vport
->fc_nodes
)) {
2853 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2854 "0233 Nodelist not empty\n");
2855 list_for_each_entry_safe(ndlp
, next_ndlp
,
2856 &vport
->fc_nodes
, nlp_listp
) {
2857 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2859 "0282 did:x%x ndlp:x%p "
2860 "usgmap:x%x refcnt:%d\n",
2861 ndlp
->nlp_DID
, (void *)ndlp
,
2863 kref_read(&ndlp
->kref
));
2868 /* Wait for any activity on ndlps to settle */
2871 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2875 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2876 * @vport: pointer to a virtual N_Port data structure.
2878 * This routine stops all the timers associated with a @vport. This function
2879 * is invoked before disabling or deleting a @vport. Note that the physical
2880 * port is treated as @vport 0.
2883 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2885 del_timer_sync(&vport
->els_tmofunc
);
2886 del_timer_sync(&vport
->delayed_disc_tmo
);
2887 lpfc_can_disctmo(vport
);
2892 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2893 * @phba: pointer to lpfc hba data structure.
2895 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2896 * caller of this routine should already hold the host lock.
2899 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2901 /* Clear pending FCF rediscovery wait flag */
2902 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2904 /* Now, try to stop the timer */
2905 del_timer(&phba
->fcf
.redisc_wait
);
2909 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2910 * @phba: pointer to lpfc hba data structure.
2912 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2913 * checks whether the FCF rediscovery wait timer is pending with the host
2914 * lock held before proceeding with disabling the timer and clearing the
2915 * wait timer pendig flag.
2918 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2920 spin_lock_irq(&phba
->hbalock
);
2921 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2922 /* FCF rediscovery timer already fired or stopped */
2923 spin_unlock_irq(&phba
->hbalock
);
2926 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2927 /* Clear failover in progress flags */
2928 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2929 spin_unlock_irq(&phba
->hbalock
);
2933 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2934 * @phba: pointer to lpfc hba data structure.
2936 * This routine stops all the timers associated with a HBA. This function is
2937 * invoked before either putting a HBA offline or unloading the driver.
2940 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2943 lpfc_stop_vport_timers(phba
->pport
);
2944 cancel_delayed_work_sync(&phba
->eq_delay_work
);
2945 del_timer_sync(&phba
->sli
.mbox_tmo
);
2946 del_timer_sync(&phba
->fabric_block_timer
);
2947 del_timer_sync(&phba
->eratt_poll
);
2948 del_timer_sync(&phba
->hb_tmofunc
);
2949 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2950 del_timer_sync(&phba
->rrq_tmr
);
2951 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2953 phba
->hb_outstanding
= 0;
2955 switch (phba
->pci_dev_grp
) {
2956 case LPFC_PCI_DEV_LP
:
2957 /* Stop any LightPulse device specific driver timers */
2958 del_timer_sync(&phba
->fcp_poll_timer
);
2960 case LPFC_PCI_DEV_OC
:
2961 /* Stop any OneConnect device sepcific driver timers */
2962 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2965 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2966 "0297 Invalid device group (x%x)\n",
2974 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2975 * @phba: pointer to lpfc hba data structure.
2977 * This routine marks a HBA's management interface as blocked. Once the HBA's
2978 * management interface is marked as blocked, all the user space access to
2979 * the HBA, whether they are from sysfs interface or libdfc interface will
2980 * all be blocked. The HBA is set to block the management interface when the
2981 * driver prepares the HBA interface for online or offline.
2984 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2986 unsigned long iflag
;
2987 uint8_t actcmd
= MBX_HEARTBEAT
;
2988 unsigned long timeout
;
2990 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2991 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2992 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2993 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2995 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2996 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2997 if (phba
->sli
.mbox_active
) {
2998 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2999 /* Determine how long we might wait for the active mailbox
3000 * command to be gracefully completed by firmware.
3002 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
3003 phba
->sli
.mbox_active
) * 1000) + jiffies
;
3005 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3007 /* Wait for the outstnading mailbox command to complete */
3008 while (phba
->sli
.mbox_active
) {
3009 /* Check active mailbox complete status every 2ms */
3011 if (time_after(jiffies
, timeout
)) {
3012 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3013 "2813 Mgmt IO is Blocked %x "
3014 "- mbox cmd %x still active\n",
3015 phba
->sli
.sli_flag
, actcmd
);
3022 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
3023 * @phba: pointer to lpfc hba data structure.
3025 * Allocate RPIs for all active remote nodes. This is needed whenever
3026 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
3027 * is to fixup the temporary rpi assignments.
3030 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
3032 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3033 struct lpfc_vport
**vports
;
3035 unsigned long flags
;
3037 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
3040 vports
= lpfc_create_vport_work_array(phba
);
3044 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3045 if (vports
[i
]->load_flag
& FC_UNLOADING
)
3048 list_for_each_entry_safe(ndlp
, next_ndlp
,
3049 &vports
[i
]->fc_nodes
,
3051 if (!NLP_CHK_NODE_ACT(ndlp
))
3053 rpi
= lpfc_sli4_alloc_rpi(phba
);
3054 if (rpi
== LPFC_RPI_ALLOC_ERROR
) {
3055 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
3056 NLP_CLR_NODE_ACT(ndlp
);
3057 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
3060 ndlp
->nlp_rpi
= rpi
;
3061 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
3062 "0009 rpi:%x DID:%x "
3063 "flg:%x map:%x %p\n", ndlp
->nlp_rpi
,
3064 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
3065 ndlp
->nlp_usg_map
, ndlp
);
3068 lpfc_destroy_vport_work_array(phba
, vports
);
3072 * lpfc_create_expedite_pool - create expedite pool
3073 * @phba: pointer to lpfc hba data structure.
3075 * This routine moves a batch of XRIs from lpfc_io_buf_list_put of HWQ 0
3076 * to expedite pool. Mark them as expedite.
3078 void lpfc_create_expedite_pool(struct lpfc_hba
*phba
)
3080 struct lpfc_sli4_hdw_queue
*qp
;
3081 struct lpfc_io_buf
*lpfc_ncmd
;
3082 struct lpfc_io_buf
*lpfc_ncmd_next
;
3083 struct lpfc_epd_pool
*epd_pool
;
3084 unsigned long iflag
;
3086 epd_pool
= &phba
->epd_pool
;
3087 qp
= &phba
->sli4_hba
.hdwq
[0];
3089 spin_lock_init(&epd_pool
->lock
);
3090 spin_lock_irqsave(&qp
->io_buf_list_put_lock
, iflag
);
3091 spin_lock(&epd_pool
->lock
);
3092 INIT_LIST_HEAD(&epd_pool
->list
);
3093 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3094 &qp
->lpfc_io_buf_list_put
, list
) {
3095 list_move_tail(&lpfc_ncmd
->list
, &epd_pool
->list
);
3096 lpfc_ncmd
->expedite
= true;
3099 if (epd_pool
->count
>= XRI_BATCH
)
3102 spin_unlock(&epd_pool
->lock
);
3103 spin_unlock_irqrestore(&qp
->io_buf_list_put_lock
, iflag
);
3107 * lpfc_destroy_expedite_pool - destroy expedite pool
3108 * @phba: pointer to lpfc hba data structure.
3110 * This routine returns XRIs from expedite pool to lpfc_io_buf_list_put
3111 * of HWQ 0. Clear the mark.
3113 void lpfc_destroy_expedite_pool(struct lpfc_hba
*phba
)
3115 struct lpfc_sli4_hdw_queue
*qp
;
3116 struct lpfc_io_buf
*lpfc_ncmd
;
3117 struct lpfc_io_buf
*lpfc_ncmd_next
;
3118 struct lpfc_epd_pool
*epd_pool
;
3119 unsigned long iflag
;
3121 epd_pool
= &phba
->epd_pool
;
3122 qp
= &phba
->sli4_hba
.hdwq
[0];
3124 spin_lock_irqsave(&qp
->io_buf_list_put_lock
, iflag
);
3125 spin_lock(&epd_pool
->lock
);
3126 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3127 &epd_pool
->list
, list
) {
3128 list_move_tail(&lpfc_ncmd
->list
,
3129 &qp
->lpfc_io_buf_list_put
);
3130 lpfc_ncmd
->flags
= false;
3134 spin_unlock(&epd_pool
->lock
);
3135 spin_unlock_irqrestore(&qp
->io_buf_list_put_lock
, iflag
);
3139 * lpfc_create_multixri_pools - create multi-XRI pools
3140 * @phba: pointer to lpfc hba data structure.
3142 * This routine initialize public, private per HWQ. Then, move XRIs from
3143 * lpfc_io_buf_list_put to public pool. High and low watermark are also
3146 void lpfc_create_multixri_pools(struct lpfc_hba
*phba
)
3151 struct lpfc_io_buf
*lpfc_ncmd
;
3152 struct lpfc_io_buf
*lpfc_ncmd_next
;
3153 unsigned long iflag
;
3154 struct lpfc_sli4_hdw_queue
*qp
;
3155 struct lpfc_multixri_pool
*multixri_pool
;
3156 struct lpfc_pbl_pool
*pbl_pool
;
3157 struct lpfc_pvt_pool
*pvt_pool
;
3159 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3160 "1234 num_hdw_queue=%d num_present_cpu=%d common_xri_cnt=%d\n",
3161 phba
->cfg_hdw_queue
, phba
->sli4_hba
.num_present_cpu
,
3162 phba
->sli4_hba
.io_xri_cnt
);
3164 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
3165 lpfc_create_expedite_pool(phba
);
3167 hwq_count
= phba
->cfg_hdw_queue
;
3168 count_per_hwq
= phba
->sli4_hba
.io_xri_cnt
/ hwq_count
;
3170 for (i
= 0; i
< hwq_count
; i
++) {
3171 multixri_pool
= kzalloc(sizeof(*multixri_pool
), GFP_KERNEL
);
3173 if (!multixri_pool
) {
3174 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3175 "1238 Failed to allocate memory for "
3178 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
3179 lpfc_destroy_expedite_pool(phba
);
3183 qp
= &phba
->sli4_hba
.hdwq
[j
];
3184 kfree(qp
->p_multixri_pool
);
3187 phba
->cfg_xri_rebalancing
= 0;
3191 qp
= &phba
->sli4_hba
.hdwq
[i
];
3192 qp
->p_multixri_pool
= multixri_pool
;
3194 multixri_pool
->xri_limit
= count_per_hwq
;
3195 multixri_pool
->rrb_next_hwqid
= i
;
3197 /* Deal with public free xri pool */
3198 pbl_pool
= &multixri_pool
->pbl_pool
;
3199 spin_lock_init(&pbl_pool
->lock
);
3200 spin_lock_irqsave(&qp
->io_buf_list_put_lock
, iflag
);
3201 spin_lock(&pbl_pool
->lock
);
3202 INIT_LIST_HEAD(&pbl_pool
->list
);
3203 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3204 &qp
->lpfc_io_buf_list_put
, list
) {
3205 list_move_tail(&lpfc_ncmd
->list
, &pbl_pool
->list
);
3209 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3210 "1235 Moved %d buffers from PUT list over to pbl_pool[%d]\n",
3211 pbl_pool
->count
, i
);
3212 spin_unlock(&pbl_pool
->lock
);
3213 spin_unlock_irqrestore(&qp
->io_buf_list_put_lock
, iflag
);
3215 /* Deal with private free xri pool */
3216 pvt_pool
= &multixri_pool
->pvt_pool
;
3217 pvt_pool
->high_watermark
= multixri_pool
->xri_limit
/ 2;
3218 pvt_pool
->low_watermark
= XRI_BATCH
;
3219 spin_lock_init(&pvt_pool
->lock
);
3220 spin_lock_irqsave(&pvt_pool
->lock
, iflag
);
3221 INIT_LIST_HEAD(&pvt_pool
->list
);
3222 pvt_pool
->count
= 0;
3223 spin_unlock_irqrestore(&pvt_pool
->lock
, iflag
);
3228 * lpfc_destroy_multixri_pools - destroy multi-XRI pools
3229 * @phba: pointer to lpfc hba data structure.
3231 * This routine returns XRIs from public/private to lpfc_io_buf_list_put.
3233 void lpfc_destroy_multixri_pools(struct lpfc_hba
*phba
)
3237 struct lpfc_io_buf
*lpfc_ncmd
;
3238 struct lpfc_io_buf
*lpfc_ncmd_next
;
3239 unsigned long iflag
;
3240 struct lpfc_sli4_hdw_queue
*qp
;
3241 struct lpfc_multixri_pool
*multixri_pool
;
3242 struct lpfc_pbl_pool
*pbl_pool
;
3243 struct lpfc_pvt_pool
*pvt_pool
;
3245 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
3246 lpfc_destroy_expedite_pool(phba
);
3248 hwq_count
= phba
->cfg_hdw_queue
;
3250 for (i
= 0; i
< hwq_count
; i
++) {
3251 qp
= &phba
->sli4_hba
.hdwq
[i
];
3252 multixri_pool
= qp
->p_multixri_pool
;
3256 qp
->p_multixri_pool
= NULL
;
3258 spin_lock_irqsave(&qp
->io_buf_list_put_lock
, iflag
);
3260 /* Deal with public free xri pool */
3261 pbl_pool
= &multixri_pool
->pbl_pool
;
3262 spin_lock(&pbl_pool
->lock
);
3264 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3265 "1236 Moving %d buffers from pbl_pool[%d] TO PUT list\n",
3266 pbl_pool
->count
, i
);
3268 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3269 &pbl_pool
->list
, list
) {
3270 list_move_tail(&lpfc_ncmd
->list
,
3271 &qp
->lpfc_io_buf_list_put
);
3276 INIT_LIST_HEAD(&pbl_pool
->list
);
3277 pbl_pool
->count
= 0;
3279 spin_unlock(&pbl_pool
->lock
);
3281 /* Deal with private free xri pool */
3282 pvt_pool
= &multixri_pool
->pvt_pool
;
3283 spin_lock(&pvt_pool
->lock
);
3285 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3286 "1237 Moving %d buffers from pvt_pool[%d] TO PUT list\n",
3287 pvt_pool
->count
, i
);
3289 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3290 &pvt_pool
->list
, list
) {
3291 list_move_tail(&lpfc_ncmd
->list
,
3292 &qp
->lpfc_io_buf_list_put
);
3297 INIT_LIST_HEAD(&pvt_pool
->list
);
3298 pvt_pool
->count
= 0;
3300 spin_unlock(&pvt_pool
->lock
);
3301 spin_unlock_irqrestore(&qp
->io_buf_list_put_lock
, iflag
);
3303 kfree(multixri_pool
);
3308 * lpfc_online - Initialize and bring a HBA online
3309 * @phba: pointer to lpfc hba data structure.
3311 * This routine initializes the HBA and brings a HBA online. During this
3312 * process, the management interface is blocked to prevent user space access
3313 * to the HBA interfering with the driver initialization.
3320 lpfc_online(struct lpfc_hba
*phba
)
3322 struct lpfc_vport
*vport
;
3323 struct lpfc_vport
**vports
;
3325 bool vpis_cleared
= false;
3329 vport
= phba
->pport
;
3331 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
3334 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3335 "0458 Bring Adapter online\n");
3337 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
3339 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3340 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
3341 lpfc_unblock_mgmt_io(phba
);
3344 spin_lock_irq(&phba
->hbalock
);
3345 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
3346 vpis_cleared
= true;
3347 spin_unlock_irq(&phba
->hbalock
);
3349 /* Reestablish the local initiator port.
3350 * The offline process destroyed the previous lport.
3352 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
&&
3353 !phba
->nvmet_support
) {
3354 error
= lpfc_nvme_create_localport(phba
->pport
);
3356 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3357 "6132 NVME restore reg failed "
3358 "on nvmei error x%x\n", error
);
3361 lpfc_sli_queue_init(phba
);
3362 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
3363 lpfc_unblock_mgmt_io(phba
);
3368 vports
= lpfc_create_vport_work_array(phba
);
3369 if (vports
!= NULL
) {
3370 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3371 struct Scsi_Host
*shost
;
3372 shost
= lpfc_shost_from_vport(vports
[i
]);
3373 spin_lock_irq(shost
->host_lock
);
3374 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
3375 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
3376 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3377 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3378 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
3379 if ((vpis_cleared
) &&
3380 (vports
[i
]->port_type
!=
3381 LPFC_PHYSICAL_PORT
))
3384 spin_unlock_irq(shost
->host_lock
);
3387 lpfc_destroy_vport_work_array(phba
, vports
);
3389 if (phba
->cfg_xri_rebalancing
)
3390 lpfc_create_multixri_pools(phba
);
3392 lpfc_unblock_mgmt_io(phba
);
3397 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
3398 * @phba: pointer to lpfc hba data structure.
3400 * This routine marks a HBA's management interface as not blocked. Once the
3401 * HBA's management interface is marked as not blocked, all the user space
3402 * access to the HBA, whether they are from sysfs interface or libdfc
3403 * interface will be allowed. The HBA is set to block the management interface
3404 * when the driver prepares the HBA interface for online or offline and then
3405 * set to unblock the management interface afterwards.
3408 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
3410 unsigned long iflag
;
3412 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3413 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
3414 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3418 * lpfc_offline_prep - Prepare a HBA to be brought offline
3419 * @phba: pointer to lpfc hba data structure.
3421 * This routine is invoked to prepare a HBA to be brought offline. It performs
3422 * unregistration login to all the nodes on all vports and flushes the mailbox
3423 * queue to make it ready to be brought offline.
3426 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
3428 struct lpfc_vport
*vport
= phba
->pport
;
3429 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3430 struct lpfc_vport
**vports
;
3431 struct Scsi_Host
*shost
;
3434 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
3437 lpfc_block_mgmt_io(phba
, mbx_action
);
3439 lpfc_linkdown(phba
);
3441 /* Issue an unreg_login to all nodes on all vports */
3442 vports
= lpfc_create_vport_work_array(phba
);
3443 if (vports
!= NULL
) {
3444 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3445 if (vports
[i
]->load_flag
& FC_UNLOADING
)
3447 shost
= lpfc_shost_from_vport(vports
[i
]);
3448 spin_lock_irq(shost
->host_lock
);
3449 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
3450 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3451 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
3452 spin_unlock_irq(shost
->host_lock
);
3454 shost
= lpfc_shost_from_vport(vports
[i
]);
3455 list_for_each_entry_safe(ndlp
, next_ndlp
,
3456 &vports
[i
]->fc_nodes
,
3458 if (!NLP_CHK_NODE_ACT(ndlp
))
3460 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3462 if (ndlp
->nlp_type
& NLP_FABRIC
) {
3463 lpfc_disc_state_machine(vports
[i
], ndlp
,
3464 NULL
, NLP_EVT_DEVICE_RECOVERY
);
3465 lpfc_disc_state_machine(vports
[i
], ndlp
,
3466 NULL
, NLP_EVT_DEVICE_RM
);
3468 spin_lock_irq(shost
->host_lock
);
3469 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
3470 spin_unlock_irq(shost
->host_lock
);
3472 * Whenever an SLI4 port goes offline, free the
3473 * RPI. Get a new RPI when the adapter port
3474 * comes back online.
3476 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3477 lpfc_printf_vlog(ndlp
->vport
,
3478 KERN_INFO
, LOG_NODE
,
3479 "0011 lpfc_offline: "
3481 "usgmap:x%x rpi:%x\n",
3482 ndlp
, ndlp
->nlp_DID
,
3486 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
3488 lpfc_unreg_rpi(vports
[i
], ndlp
);
3492 lpfc_destroy_vport_work_array(phba
, vports
);
3494 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
3497 flush_workqueue(phba
->wq
);
3501 * lpfc_offline - Bring a HBA offline
3502 * @phba: pointer to lpfc hba data structure.
3504 * This routine actually brings a HBA offline. It stops all the timers
3505 * associated with the HBA, brings down the SLI layer, and eventually
3506 * marks the HBA as in offline state for the upper layer protocol.
3509 lpfc_offline(struct lpfc_hba
*phba
)
3511 struct Scsi_Host
*shost
;
3512 struct lpfc_vport
**vports
;
3515 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
3518 /* stop port and all timers associated with this hba */
3519 lpfc_stop_port(phba
);
3521 /* Tear down the local and target port registrations. The
3522 * nvme transports need to cleanup.
3524 lpfc_nvmet_destroy_targetport(phba
);
3525 lpfc_nvme_destroy_localport(phba
->pport
);
3527 vports
= lpfc_create_vport_work_array(phba
);
3529 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3530 lpfc_stop_vport_timers(vports
[i
]);
3531 lpfc_destroy_vport_work_array(phba
, vports
);
3532 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3533 "0460 Bring Adapter offline\n");
3534 /* Bring down the SLI Layer and cleanup. The HBA is offline
3536 lpfc_sli_hba_down(phba
);
3537 spin_lock_irq(&phba
->hbalock
);
3539 spin_unlock_irq(&phba
->hbalock
);
3540 vports
= lpfc_create_vport_work_array(phba
);
3542 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3543 shost
= lpfc_shost_from_vport(vports
[i
]);
3544 spin_lock_irq(shost
->host_lock
);
3545 vports
[i
]->work_port_events
= 0;
3546 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
3547 spin_unlock_irq(shost
->host_lock
);
3549 lpfc_destroy_vport_work_array(phba
, vports
);
3551 if (phba
->cfg_xri_rebalancing
)
3552 lpfc_destroy_multixri_pools(phba
);
3556 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3557 * @phba: pointer to lpfc hba data structure.
3559 * This routine is to free all the SCSI buffers and IOCBs from the driver
3560 * list back to kernel. It is called from lpfc_pci_remove_one to free
3561 * the internal resources before the device is removed from the system.
3564 lpfc_scsi_free(struct lpfc_hba
*phba
)
3566 struct lpfc_io_buf
*sb
, *sb_next
;
3568 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
3571 spin_lock_irq(&phba
->hbalock
);
3573 /* Release all the lpfc_scsi_bufs maintained by this host. */
3575 spin_lock(&phba
->scsi_buf_list_put_lock
);
3576 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3578 list_del(&sb
->list
);
3579 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3582 phba
->total_scsi_bufs
--;
3584 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3586 spin_lock(&phba
->scsi_buf_list_get_lock
);
3587 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3589 list_del(&sb
->list
);
3590 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
, sb
->data
,
3593 phba
->total_scsi_bufs
--;
3595 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3596 spin_unlock_irq(&phba
->hbalock
);
3600 * lpfc_io_free - Free all the IO buffers and IOCBs from driver lists
3601 * @phba: pointer to lpfc hba data structure.
3603 * This routine is to free all the IO buffers and IOCBs from the driver
3604 * list back to kernel. It is called from lpfc_pci_remove_one to free
3605 * the internal resources before the device is removed from the system.
3608 lpfc_io_free(struct lpfc_hba
*phba
)
3610 struct lpfc_io_buf
*lpfc_ncmd
, *lpfc_ncmd_next
;
3611 struct lpfc_sli4_hdw_queue
*qp
;
3614 spin_lock_irq(&phba
->hbalock
);
3616 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
3617 qp
= &phba
->sli4_hba
.hdwq
[idx
];
3618 /* Release all the lpfc_nvme_bufs maintained by this host. */
3619 spin_lock(&qp
->io_buf_list_put_lock
);
3620 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3621 &qp
->lpfc_io_buf_list_put
,
3623 list_del(&lpfc_ncmd
->list
);
3625 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3626 lpfc_ncmd
->data
, lpfc_ncmd
->dma_handle
);
3628 qp
->total_io_bufs
--;
3630 spin_unlock(&qp
->io_buf_list_put_lock
);
3632 spin_lock(&qp
->io_buf_list_get_lock
);
3633 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
3634 &qp
->lpfc_io_buf_list_get
,
3636 list_del(&lpfc_ncmd
->list
);
3638 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
3639 lpfc_ncmd
->data
, lpfc_ncmd
->dma_handle
);
3641 qp
->total_io_bufs
--;
3643 spin_unlock(&qp
->io_buf_list_get_lock
);
3646 spin_unlock_irq(&phba
->hbalock
);
3650 * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping
3651 * @phba: pointer to lpfc hba data structure.
3653 * This routine first calculates the sizes of the current els and allocated
3654 * scsi sgl lists, and then goes through all sgls to updates the physical
3655 * XRIs assigned due to port function reset. During port initialization, the
3656 * current els and allocated scsi sgl lists are 0s.
3659 * 0 - successful (for now, it always returns 0)
3662 lpfc_sli4_els_sgl_update(struct lpfc_hba
*phba
)
3664 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3665 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3666 LIST_HEAD(els_sgl_list
);
3670 * update on pci function's els xri-sgl list
3672 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3674 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3675 /* els xri-sgl expanded */
3676 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3677 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3678 "3157 ELS xri-sgl count increased from "
3679 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3681 /* allocate the additional els sgls */
3682 for (i
= 0; i
< xri_cnt
; i
++) {
3683 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3685 if (sglq_entry
== NULL
) {
3686 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3687 "2562 Failure to allocate an "
3688 "ELS sgl entry:%d\n", i
);
3692 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3693 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3695 if (sglq_entry
->virt
== NULL
) {
3697 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3698 "2563 Failure to allocate an "
3699 "ELS mbuf:%d\n", i
);
3703 sglq_entry
->sgl
= sglq_entry
->virt
;
3704 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3705 sglq_entry
->state
= SGL_FREED
;
3706 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3708 spin_lock_irq(&phba
->hbalock
);
3709 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3710 list_splice_init(&els_sgl_list
,
3711 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3712 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3713 spin_unlock_irq(&phba
->hbalock
);
3714 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3715 /* els xri-sgl shrinked */
3716 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3717 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3718 "3158 ELS xri-sgl count decreased from "
3719 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3721 spin_lock_irq(&phba
->hbalock
);
3722 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3723 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
,
3725 /* release extra els sgls from list */
3726 for (i
= 0; i
< xri_cnt
; i
++) {
3727 list_remove_head(&els_sgl_list
,
3728 sglq_entry
, struct lpfc_sglq
, list
);
3730 __lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3735 list_splice_init(&els_sgl_list
,
3736 &phba
->sli4_hba
.lpfc_els_sgl_list
);
3737 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3738 spin_unlock_irq(&phba
->hbalock
);
3740 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3741 "3163 ELS xri-sgl count unchanged: %d\n",
3743 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3745 /* update xris to els sgls on the list */
3747 sglq_entry_next
= NULL
;
3748 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3749 &phba
->sli4_hba
.lpfc_els_sgl_list
, list
) {
3750 lxri
= lpfc_sli4_next_xritag(phba
);
3751 if (lxri
== NO_XRI
) {
3752 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3753 "2400 Failed to allocate xri for "
3758 sglq_entry
->sli4_lxritag
= lxri
;
3759 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3764 lpfc_free_els_sgl_list(phba
);
3769 * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping
3770 * @phba: pointer to lpfc hba data structure.
3772 * This routine first calculates the sizes of the current els and allocated
3773 * scsi sgl lists, and then goes through all sgls to updates the physical
3774 * XRIs assigned due to port function reset. During port initialization, the
3775 * current els and allocated scsi sgl lists are 0s.
3778 * 0 - successful (for now, it always returns 0)
3781 lpfc_sli4_nvmet_sgl_update(struct lpfc_hba
*phba
)
3783 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3784 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
;
3785 uint16_t nvmet_xri_cnt
;
3786 LIST_HEAD(nvmet_sgl_list
);
3790 * update on pci function's nvmet xri-sgl list
3792 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3794 /* For NVMET, ALL remaining XRIs are dedicated for IO processing */
3795 nvmet_xri_cnt
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
3796 if (nvmet_xri_cnt
> phba
->sli4_hba
.nvmet_xri_cnt
) {
3797 /* els xri-sgl expanded */
3798 xri_cnt
= nvmet_xri_cnt
- phba
->sli4_hba
.nvmet_xri_cnt
;
3799 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3800 "6302 NVMET xri-sgl cnt grew from %d to %d\n",
3801 phba
->sli4_hba
.nvmet_xri_cnt
, nvmet_xri_cnt
);
3802 /* allocate the additional nvmet sgls */
3803 for (i
= 0; i
< xri_cnt
; i
++) {
3804 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3806 if (sglq_entry
== NULL
) {
3807 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3808 "6303 Failure to allocate an "
3809 "NVMET sgl entry:%d\n", i
);
3813 sglq_entry
->buff_type
= NVMET_BUFF_TYPE
;
3814 sglq_entry
->virt
= lpfc_nvmet_buf_alloc(phba
, 0,
3816 if (sglq_entry
->virt
== NULL
) {
3818 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3819 "6304 Failure to allocate an "
3820 "NVMET buf:%d\n", i
);
3824 sglq_entry
->sgl
= sglq_entry
->virt
;
3825 memset(sglq_entry
->sgl
, 0,
3826 phba
->cfg_sg_dma_buf_size
);
3827 sglq_entry
->state
= SGL_FREED
;
3828 list_add_tail(&sglq_entry
->list
, &nvmet_sgl_list
);
3830 spin_lock_irq(&phba
->hbalock
);
3831 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3832 list_splice_init(&nvmet_sgl_list
,
3833 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3834 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3835 spin_unlock_irq(&phba
->hbalock
);
3836 } else if (nvmet_xri_cnt
< phba
->sli4_hba
.nvmet_xri_cnt
) {
3837 /* nvmet xri-sgl shrunk */
3838 xri_cnt
= phba
->sli4_hba
.nvmet_xri_cnt
- nvmet_xri_cnt
;
3839 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3840 "6305 NVMET xri-sgl count decreased from "
3841 "%d to %d\n", phba
->sli4_hba
.nvmet_xri_cnt
,
3843 spin_lock_irq(&phba
->hbalock
);
3844 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
3845 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
,
3847 /* release extra nvmet sgls from list */
3848 for (i
= 0; i
< xri_cnt
; i
++) {
3849 list_remove_head(&nvmet_sgl_list
,
3850 sglq_entry
, struct lpfc_sglq
, list
);
3852 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
,
3857 list_splice_init(&nvmet_sgl_list
,
3858 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
3859 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
3860 spin_unlock_irq(&phba
->hbalock
);
3862 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3863 "6306 NVMET xri-sgl count unchanged: %d\n",
3865 phba
->sli4_hba
.nvmet_xri_cnt
= nvmet_xri_cnt
;
3867 /* update xris to nvmet sgls on the list */
3869 sglq_entry_next
= NULL
;
3870 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3871 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
, list
) {
3872 lxri
= lpfc_sli4_next_xritag(phba
);
3873 if (lxri
== NO_XRI
) {
3874 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3875 "6307 Failed to allocate xri for "
3880 sglq_entry
->sli4_lxritag
= lxri
;
3881 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3886 lpfc_free_nvmet_sgl_list(phba
);
3891 lpfc_io_buf_flush(struct lpfc_hba
*phba
, struct list_head
*cbuf
)
3894 struct lpfc_sli4_hdw_queue
*qp
;
3895 struct lpfc_io_buf
*lpfc_cmd
;
3896 struct lpfc_io_buf
*iobufp
, *prev_iobufp
;
3897 int idx
, cnt
, xri
, inserted
;
3900 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
3901 qp
= &phba
->sli4_hba
.hdwq
[idx
];
3902 spin_lock_irq(&qp
->io_buf_list_get_lock
);
3903 spin_lock(&qp
->io_buf_list_put_lock
);
3905 /* Take everything off the get and put lists */
3906 list_splice_init(&qp
->lpfc_io_buf_list_get
, &blist
);
3907 list_splice(&qp
->lpfc_io_buf_list_put
, &blist
);
3908 INIT_LIST_HEAD(&qp
->lpfc_io_buf_list_get
);
3909 INIT_LIST_HEAD(&qp
->lpfc_io_buf_list_put
);
3910 cnt
+= qp
->get_io_bufs
+ qp
->put_io_bufs
;
3911 qp
->get_io_bufs
= 0;
3912 qp
->put_io_bufs
= 0;
3913 qp
->total_io_bufs
= 0;
3914 spin_unlock(&qp
->io_buf_list_put_lock
);
3915 spin_unlock_irq(&qp
->io_buf_list_get_lock
);
3919 * Take IO buffers off blist and put on cbuf sorted by XRI.
3920 * This is because POST_SGL takes a sequential range of XRIs
3921 * to post to the firmware.
3923 for (idx
= 0; idx
< cnt
; idx
++) {
3924 list_remove_head(&blist
, lpfc_cmd
, struct lpfc_io_buf
, list
);
3928 list_add_tail(&lpfc_cmd
->list
, cbuf
);
3931 xri
= lpfc_cmd
->cur_iocbq
.sli4_xritag
;
3934 list_for_each_entry(iobufp
, cbuf
, list
) {
3935 if (xri
< iobufp
->cur_iocbq
.sli4_xritag
) {
3937 list_add(&lpfc_cmd
->list
,
3938 &prev_iobufp
->list
);
3940 list_add(&lpfc_cmd
->list
, cbuf
);
3944 prev_iobufp
= iobufp
;
3947 list_add_tail(&lpfc_cmd
->list
, cbuf
);
3953 lpfc_io_buf_replenish(struct lpfc_hba
*phba
, struct list_head
*cbuf
)
3955 struct lpfc_sli4_hdw_queue
*qp
;
3956 struct lpfc_io_buf
*lpfc_cmd
;
3959 qp
= phba
->sli4_hba
.hdwq
;
3961 while (!list_empty(cbuf
)) {
3962 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
3963 list_remove_head(cbuf
, lpfc_cmd
,
3964 struct lpfc_io_buf
, list
);
3968 qp
= &phba
->sli4_hba
.hdwq
[idx
];
3969 lpfc_cmd
->hdwq_no
= idx
;
3970 lpfc_cmd
->hdwq
= qp
;
3971 lpfc_cmd
->cur_iocbq
.wqe_cmpl
= NULL
;
3972 lpfc_cmd
->cur_iocbq
.iocb_cmpl
= NULL
;
3973 spin_lock(&qp
->io_buf_list_put_lock
);
3974 list_add_tail(&lpfc_cmd
->list
,
3975 &qp
->lpfc_io_buf_list_put
);
3977 qp
->total_io_bufs
++;
3978 spin_unlock(&qp
->io_buf_list_put_lock
);
3985 * lpfc_sli4_io_sgl_update - update xri-sgl sizing and mapping
3986 * @phba: pointer to lpfc hba data structure.
3988 * This routine first calculates the sizes of the current els and allocated
3989 * scsi sgl lists, and then goes through all sgls to updates the physical
3990 * XRIs assigned due to port function reset. During port initialization, the
3991 * current els and allocated scsi sgl lists are 0s.
3994 * 0 - successful (for now, it always returns 0)
3997 lpfc_sli4_io_sgl_update(struct lpfc_hba
*phba
)
3999 struct lpfc_io_buf
*lpfc_ncmd
= NULL
, *lpfc_ncmd_next
= NULL
;
4000 uint16_t i
, lxri
, els_xri_cnt
;
4001 uint16_t io_xri_cnt
, io_xri_max
;
4002 LIST_HEAD(io_sgl_list
);
4006 * update on pci function's allocated nvme xri-sgl list
4009 /* maximum number of xris available for nvme buffers */
4010 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
4011 io_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4012 phba
->sli4_hba
.io_xri_max
= io_xri_max
;
4014 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4015 "6074 Current allocated XRI sgl count:%d, "
4016 "maximum XRI count:%d\n",
4017 phba
->sli4_hba
.io_xri_cnt
,
4018 phba
->sli4_hba
.io_xri_max
);
4020 cnt
= lpfc_io_buf_flush(phba
, &io_sgl_list
);
4022 if (phba
->sli4_hba
.io_xri_cnt
> phba
->sli4_hba
.io_xri_max
) {
4023 /* max nvme xri shrunk below the allocated nvme buffers */
4024 io_xri_cnt
= phba
->sli4_hba
.io_xri_cnt
-
4025 phba
->sli4_hba
.io_xri_max
;
4026 /* release the extra allocated nvme buffers */
4027 for (i
= 0; i
< io_xri_cnt
; i
++) {
4028 list_remove_head(&io_sgl_list
, lpfc_ncmd
,
4029 struct lpfc_io_buf
, list
);
4031 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
4033 lpfc_ncmd
->dma_handle
);
4037 phba
->sli4_hba
.io_xri_cnt
-= io_xri_cnt
;
4040 /* update xris associated to remaining allocated nvme buffers */
4042 lpfc_ncmd_next
= NULL
;
4043 phba
->sli4_hba
.io_xri_cnt
= cnt
;
4044 list_for_each_entry_safe(lpfc_ncmd
, lpfc_ncmd_next
,
4045 &io_sgl_list
, list
) {
4046 lxri
= lpfc_sli4_next_xritag(phba
);
4047 if (lxri
== NO_XRI
) {
4048 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4049 "6075 Failed to allocate xri for "
4054 lpfc_ncmd
->cur_iocbq
.sli4_lxritag
= lxri
;
4055 lpfc_ncmd
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
4057 cnt
= lpfc_io_buf_replenish(phba
, &io_sgl_list
);
4066 * lpfc_new_io_buf - IO buffer allocator for HBA with SLI4 IF spec
4067 * @vport: The virtual port for which this call being executed.
4068 * @num_to_allocate: The requested number of buffers to allocate.
4070 * This routine allocates nvme buffers for device with SLI-4 interface spec,
4071 * the nvme buffer contains all the necessary information needed to initiate
4072 * an I/O. After allocating up to @num_to_allocate IO buffers and put
4073 * them on a list, it post them to the port by using SGL block post.
4076 * int - number of IO buffers that were allocated and posted.
4077 * 0 = failure, less than num_to_alloc is a partial failure.
4080 lpfc_new_io_buf(struct lpfc_hba
*phba
, int num_to_alloc
)
4082 struct lpfc_io_buf
*lpfc_ncmd
;
4083 struct lpfc_iocbq
*pwqeq
;
4084 uint16_t iotag
, lxri
= 0;
4085 int bcnt
, num_posted
;
4086 LIST_HEAD(prep_nblist
);
4087 LIST_HEAD(post_nblist
);
4088 LIST_HEAD(nvme_nblist
);
4090 /* Sanity check to ensure our sizing is right for both SCSI and NVME */
4091 if (sizeof(struct lpfc_io_buf
) > LPFC_COMMON_IO_BUF_SZ
) {
4092 lpfc_printf_log(phba
, KERN_ERR
, LOG_FCP
,
4093 "6426 Common buffer size %zd exceeds %d\n",
4094 sizeof(struct lpfc_io_buf
),
4095 LPFC_COMMON_IO_BUF_SZ
);
4099 phba
->sli4_hba
.io_xri_cnt
= 0;
4100 for (bcnt
= 0; bcnt
< num_to_alloc
; bcnt
++) {
4101 lpfc_ncmd
= kzalloc(LPFC_COMMON_IO_BUF_SZ
, GFP_KERNEL
);
4105 * Get memory from the pci pool to map the virt space to
4106 * pci bus space for an I/O. The DMA buffer includes the
4107 * number of SGE's necessary to support the sg_tablesize.
4109 lpfc_ncmd
->data
= dma_pool_alloc(phba
->lpfc_sg_dma_buf_pool
,
4111 &lpfc_ncmd
->dma_handle
);
4112 if (!lpfc_ncmd
->data
) {
4116 memset(lpfc_ncmd
->data
, 0, phba
->cfg_sg_dma_buf_size
);
4119 * 4K Page alignment is CRITICAL to BlockGuard, double check
4122 if ((phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
) &&
4123 (((unsigned long)(lpfc_ncmd
->data
) &
4124 (unsigned long)(SLI4_PAGE_SIZE
- 1)) != 0)) {
4125 lpfc_printf_log(phba
, KERN_ERR
, LOG_FCP
,
4126 "3369 Memory alignment err: addr=%lx\n",
4127 (unsigned long)lpfc_ncmd
->data
);
4128 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
4129 lpfc_ncmd
->data
, lpfc_ncmd
->dma_handle
);
4134 lxri
= lpfc_sli4_next_xritag(phba
);
4135 if (lxri
== NO_XRI
) {
4136 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
4137 lpfc_ncmd
->data
, lpfc_ncmd
->dma_handle
);
4141 pwqeq
= &lpfc_ncmd
->cur_iocbq
;
4143 /* Allocate iotag for lpfc_ncmd->cur_iocbq. */
4144 iotag
= lpfc_sli_next_iotag(phba
, pwqeq
);
4146 dma_pool_free(phba
->lpfc_sg_dma_buf_pool
,
4147 lpfc_ncmd
->data
, lpfc_ncmd
->dma_handle
);
4149 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_IOERR
,
4150 "6121 Failed to allocate IOTAG for"
4151 " XRI:0x%x\n", lxri
);
4152 lpfc_sli4_free_xri(phba
, lxri
);
4155 pwqeq
->sli4_lxritag
= lxri
;
4156 pwqeq
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
4157 pwqeq
->context1
= lpfc_ncmd
;
4159 /* Initialize local short-hand pointers. */
4160 lpfc_ncmd
->dma_sgl
= lpfc_ncmd
->data
;
4161 lpfc_ncmd
->dma_phys_sgl
= lpfc_ncmd
->dma_handle
;
4162 lpfc_ncmd
->cur_iocbq
.context1
= lpfc_ncmd
;
4163 spin_lock_init(&lpfc_ncmd
->buf_lock
);
4165 /* add the nvme buffer to a post list */
4166 list_add_tail(&lpfc_ncmd
->list
, &post_nblist
);
4167 phba
->sli4_hba
.io_xri_cnt
++;
4169 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME
,
4170 "6114 Allocate %d out of %d requested new NVME "
4171 "buffers\n", bcnt
, num_to_alloc
);
4173 /* post the list of nvme buffer sgls to port if available */
4174 if (!list_empty(&post_nblist
))
4175 num_posted
= lpfc_sli4_post_io_sgl_list(
4176 phba
, &post_nblist
, bcnt
);
4184 lpfc_get_wwpn(struct lpfc_hba
*phba
)
4188 LPFC_MBOXQ_t
*mboxq
;
4191 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4194 return (uint64_t)-1;
4196 /* First get WWN of HBA instance */
4197 lpfc_read_nv(phba
, mboxq
);
4198 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4199 if (rc
!= MBX_SUCCESS
) {
4200 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4201 "6019 Mailbox failed , mbxCmd x%x "
4202 "READ_NV, mbxStatus x%x\n",
4203 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
4204 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
4205 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4206 return (uint64_t) -1;
4209 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
, sizeof(uint64_t));
4210 /* wwn is WWPN of HBA instance */
4211 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4212 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4213 return be64_to_cpu(wwn
);
4215 return rol64(wwn
, 32);
4219 * lpfc_create_port - Create an FC port
4220 * @phba: pointer to lpfc hba data structure.
4221 * @instance: a unique integer ID to this FC port.
4222 * @dev: pointer to the device data structure.
4224 * This routine creates a FC port for the upper layer protocol. The FC port
4225 * can be created on top of either a physical port or a virtual port provided
4226 * by the HBA. This routine also allocates a SCSI host data structure (shost)
4227 * and associates the FC port created before adding the shost into the SCSI
4231 * @vport - pointer to the virtual N_Port data structure.
4232 * NULL - port create failed.
4235 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
4237 struct lpfc_vport
*vport
;
4238 struct Scsi_Host
*shost
= NULL
;
4242 bool use_no_reset_hba
= false;
4245 if (lpfc_no_hba_reset_cnt
) {
4246 if (phba
->sli_rev
< LPFC_SLI_REV4
&&
4247 dev
== &phba
->pcidev
->dev
) {
4248 /* Reset the port first */
4249 lpfc_sli_brdrestart(phba
);
4250 rc
= lpfc_sli_chipset_init(phba
);
4254 wwn
= lpfc_get_wwpn(phba
);
4257 for (i
= 0; i
< lpfc_no_hba_reset_cnt
; i
++) {
4258 if (wwn
== lpfc_no_hba_reset
[i
]) {
4259 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4260 "6020 Setting use_no_reset port=%llx\n",
4262 use_no_reset_hba
= true;
4267 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
4268 if (dev
!= &phba
->pcidev
->dev
) {
4269 shost
= scsi_host_alloc(&lpfc_vport_template
,
4270 sizeof(struct lpfc_vport
));
4272 if (!use_no_reset_hba
)
4273 shost
= scsi_host_alloc(&lpfc_template
,
4274 sizeof(struct lpfc_vport
));
4276 shost
= scsi_host_alloc(&lpfc_template_no_hr
,
4277 sizeof(struct lpfc_vport
));
4279 } else if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
4280 shost
= scsi_host_alloc(&lpfc_template_nvme
,
4281 sizeof(struct lpfc_vport
));
4286 vport
= (struct lpfc_vport
*) shost
->hostdata
;
4288 vport
->load_flag
|= FC_LOADING
;
4289 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
4290 vport
->fc_rscn_flush
= 0;
4291 lpfc_get_vport_cfgparam(vport
);
4293 /* Adjust value in vport */
4294 vport
->cfg_enable_fc4_type
= phba
->cfg_enable_fc4_type
;
4296 shost
->unique_id
= instance
;
4297 shost
->max_id
= LPFC_MAX_TARGET
;
4298 shost
->max_lun
= vport
->cfg_max_luns
;
4299 shost
->this_id
= -1;
4300 shost
->max_cmd_len
= 16;
4302 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
4303 if (phba
->cfg_fcp_io_sched
== LPFC_FCP_SCHED_BY_HDWQ
)
4304 shost
->nr_hw_queues
= phba
->cfg_hdw_queue
;
4306 shost
->nr_hw_queues
= phba
->sli4_hba
.num_present_cpu
;
4308 shost
->dma_boundary
=
4309 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
4310 shost
->sg_tablesize
= phba
->cfg_scsi_seg_cnt
;
4312 /* SLI-3 has a limited number of hardware queues (3),
4313 * thus there is only one for FCP processing.
4315 shost
->nr_hw_queues
= 1;
4318 * Set initial can_queue value since 0 is no longer supported and
4319 * scsi_add_host will fail. This will be adjusted later based on the
4320 * max xri value determined in hba setup.
4322 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
4323 if (dev
!= &phba
->pcidev
->dev
) {
4324 shost
->transportt
= lpfc_vport_transport_template
;
4325 vport
->port_type
= LPFC_NPIV_PORT
;
4327 shost
->transportt
= lpfc_transport_template
;
4328 vport
->port_type
= LPFC_PHYSICAL_PORT
;
4331 /* Initialize all internally managed lists. */
4332 INIT_LIST_HEAD(&vport
->fc_nodes
);
4333 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
4334 spin_lock_init(&vport
->work_port_lock
);
4336 timer_setup(&vport
->fc_disctmo
, lpfc_disc_timeout
, 0);
4338 timer_setup(&vport
->els_tmofunc
, lpfc_els_timeout
, 0);
4340 timer_setup(&vport
->delayed_disc_tmo
, lpfc_delayed_disc_tmo
, 0);
4342 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
4346 spin_lock_irq(&phba
->port_list_lock
);
4347 list_add_tail(&vport
->listentry
, &phba
->port_list
);
4348 spin_unlock_irq(&phba
->port_list_lock
);
4352 scsi_host_put(shost
);
4358 * destroy_port - destroy an FC port
4359 * @vport: pointer to an lpfc virtual N_Port data structure.
4361 * This routine destroys a FC port from the upper layer protocol. All the
4362 * resources associated with the port are released.
4365 destroy_port(struct lpfc_vport
*vport
)
4367 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4368 struct lpfc_hba
*phba
= vport
->phba
;
4370 lpfc_debugfs_terminate(vport
);
4371 fc_remove_host(shost
);
4372 scsi_remove_host(shost
);
4374 spin_lock_irq(&phba
->port_list_lock
);
4375 list_del_init(&vport
->listentry
);
4376 spin_unlock_irq(&phba
->port_list_lock
);
4378 lpfc_cleanup(vport
);
4383 * lpfc_get_instance - Get a unique integer ID
4385 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
4386 * uses the kernel idr facility to perform the task.
4389 * instance - a unique integer ID allocated as the new instance.
4390 * -1 - lpfc get instance failed.
4393 lpfc_get_instance(void)
4397 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
4398 return ret
< 0 ? -1 : ret
;
4402 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
4403 * @shost: pointer to SCSI host data structure.
4404 * @time: elapsed time of the scan in jiffies.
4406 * This routine is called by the SCSI layer with a SCSI host to determine
4407 * whether the scan host is finished.
4409 * Note: there is no scan_start function as adapter initialization will have
4410 * asynchronously kicked off the link initialization.
4413 * 0 - SCSI host scan is not over yet.
4414 * 1 - SCSI host scan is over.
4416 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
4418 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4419 struct lpfc_hba
*phba
= vport
->phba
;
4422 spin_lock_irq(shost
->host_lock
);
4424 if (vport
->load_flag
& FC_UNLOADING
) {
4428 if (time
>= msecs_to_jiffies(30 * 1000)) {
4429 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4430 "0461 Scanning longer than 30 "
4431 "seconds. Continuing initialization\n");
4435 if (time
>= msecs_to_jiffies(15 * 1000) &&
4436 phba
->link_state
<= LPFC_LINK_DOWN
) {
4437 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4438 "0465 Link down longer than 15 "
4439 "seconds. Continuing initialization\n");
4444 if (vport
->port_state
!= LPFC_VPORT_READY
)
4446 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
4448 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
4450 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
4456 spin_unlock_irq(shost
->host_lock
);
4460 void lpfc_host_supported_speeds_set(struct Scsi_Host
*shost
)
4462 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4463 struct lpfc_hba
*phba
= vport
->phba
;
4465 fc_host_supported_speeds(shost
) = 0;
4466 if (phba
->lmt
& LMT_128Gb
)
4467 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_128GBIT
;
4468 if (phba
->lmt
& LMT_64Gb
)
4469 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_64GBIT
;
4470 if (phba
->lmt
& LMT_32Gb
)
4471 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_32GBIT
;
4472 if (phba
->lmt
& LMT_16Gb
)
4473 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
4474 if (phba
->lmt
& LMT_10Gb
)
4475 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
4476 if (phba
->lmt
& LMT_8Gb
)
4477 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
4478 if (phba
->lmt
& LMT_4Gb
)
4479 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
4480 if (phba
->lmt
& LMT_2Gb
)
4481 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
4482 if (phba
->lmt
& LMT_1Gb
)
4483 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
4487 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
4488 * @shost: pointer to SCSI host data structure.
4490 * This routine initializes a given SCSI host attributes on a FC port. The
4491 * SCSI host can be either on top of a physical port or a virtual port.
4493 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
4495 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4496 struct lpfc_hba
*phba
= vport
->phba
;
4498 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
4501 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
4502 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
4503 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
4505 memset(fc_host_supported_fc4s(shost
), 0,
4506 sizeof(fc_host_supported_fc4s(shost
)));
4507 fc_host_supported_fc4s(shost
)[2] = 1;
4508 fc_host_supported_fc4s(shost
)[7] = 1;
4510 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
4511 sizeof fc_host_symbolic_name(shost
));
4513 lpfc_host_supported_speeds_set(shost
);
4515 fc_host_maxframe_size(shost
) =
4516 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
4517 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
4519 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
4521 /* This value is also unchanging */
4522 memset(fc_host_active_fc4s(shost
), 0,
4523 sizeof(fc_host_active_fc4s(shost
)));
4524 fc_host_active_fc4s(shost
)[2] = 1;
4525 fc_host_active_fc4s(shost
)[7] = 1;
4527 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
4528 spin_lock_irq(shost
->host_lock
);
4529 vport
->load_flag
&= ~FC_LOADING
;
4530 spin_unlock_irq(shost
->host_lock
);
4534 * lpfc_stop_port_s3 - Stop SLI3 device port
4535 * @phba: pointer to lpfc hba data structure.
4537 * This routine is invoked to stop an SLI3 device port, it stops the device
4538 * from generating interrupts and stops the device driver's timers for the
4542 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
4544 /* Clear all interrupt enable conditions */
4545 writel(0, phba
->HCregaddr
);
4546 readl(phba
->HCregaddr
); /* flush */
4547 /* Clear all pending interrupts */
4548 writel(0xffffffff, phba
->HAregaddr
);
4549 readl(phba
->HAregaddr
); /* flush */
4551 /* Reset some HBA SLI setup states */
4552 lpfc_stop_hba_timers(phba
);
4553 phba
->pport
->work_port_events
= 0;
4557 * lpfc_stop_port_s4 - Stop SLI4 device port
4558 * @phba: pointer to lpfc hba data structure.
4560 * This routine is invoked to stop an SLI4 device port, it stops the device
4561 * from generating interrupts and stops the device driver's timers for the
4565 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
4567 /* Reset some HBA SLI4 setup states */
4568 lpfc_stop_hba_timers(phba
);
4570 phba
->pport
->work_port_events
= 0;
4571 phba
->sli4_hba
.intr_enable
= 0;
4575 * lpfc_stop_port - Wrapper function for stopping hba port
4576 * @phba: Pointer to HBA context object.
4578 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
4579 * the API jump table function pointer from the lpfc_hba struct.
4582 lpfc_stop_port(struct lpfc_hba
*phba
)
4584 phba
->lpfc_stop_port(phba
);
4587 flush_workqueue(phba
->wq
);
4591 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
4592 * @phba: Pointer to hba for which this call is being executed.
4594 * This routine starts the timer waiting for the FCF rediscovery to complete.
4597 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
4599 unsigned long fcf_redisc_wait_tmo
=
4600 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
4601 /* Start fcf rediscovery wait period timer */
4602 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
4603 spin_lock_irq(&phba
->hbalock
);
4604 /* Allow action to new fcf asynchronous event */
4605 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
4606 /* Mark the FCF rediscovery pending state */
4607 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
4608 spin_unlock_irq(&phba
->hbalock
);
4612 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
4613 * @ptr: Map to lpfc_hba data structure pointer.
4615 * This routine is invoked when waiting for FCF table rediscover has been
4616 * timed out. If new FCF record(s) has (have) been discovered during the
4617 * wait period, a new FCF event shall be added to the FCOE async event
4618 * list, and then worker thread shall be waked up for processing from the
4619 * worker thread context.
4622 lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list
*t
)
4624 struct lpfc_hba
*phba
= from_timer(phba
, t
, fcf
.redisc_wait
);
4626 /* Don't send FCF rediscovery event if timer cancelled */
4627 spin_lock_irq(&phba
->hbalock
);
4628 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
4629 spin_unlock_irq(&phba
->hbalock
);
4632 /* Clear FCF rediscovery timer pending flag */
4633 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
4634 /* FCF rediscovery event to worker thread */
4635 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
4636 spin_unlock_irq(&phba
->hbalock
);
4637 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
4638 "2776 FCF rediscover quiescent timer expired\n");
4639 /* wake up worker thread */
4640 lpfc_worker_wake_up(phba
);
4644 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
4645 * @phba: pointer to lpfc hba data structure.
4646 * @acqe_link: pointer to the async link completion queue entry.
4648 * This routine is to parse the SLI4 link-attention link fault code.
4651 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
4652 struct lpfc_acqe_link
*acqe_link
)
4654 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
4655 case LPFC_ASYNC_LINK_FAULT_NONE
:
4656 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
4657 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
4658 case LPFC_ASYNC_LINK_FAULT_LR_LRR
:
4661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4662 "0398 Unknown link fault code: x%x\n",
4663 bf_get(lpfc_acqe_link_fault
, acqe_link
));
4669 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
4670 * @phba: pointer to lpfc hba data structure.
4671 * @acqe_link: pointer to the async link completion queue entry.
4673 * This routine is to parse the SLI4 link attention type and translate it
4674 * into the base driver's link attention type coding.
4676 * Return: Link attention type in terms of base driver's coding.
4679 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
4680 struct lpfc_acqe_link
*acqe_link
)
4684 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
4685 case LPFC_ASYNC_LINK_STATUS_DOWN
:
4686 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
4687 att_type
= LPFC_ATT_LINK_DOWN
;
4689 case LPFC_ASYNC_LINK_STATUS_UP
:
4690 /* Ignore physical link up events - wait for logical link up */
4691 att_type
= LPFC_ATT_RESERVED
;
4693 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
4694 att_type
= LPFC_ATT_LINK_UP
;
4697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4698 "0399 Invalid link attention type: x%x\n",
4699 bf_get(lpfc_acqe_link_status
, acqe_link
));
4700 att_type
= LPFC_ATT_RESERVED
;
4707 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
4708 * @phba: pointer to lpfc hba data structure.
4710 * This routine is to get an SLI3 FC port's link speed in Mbps.
4712 * Return: link speed in terms of Mbps.
4715 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
4717 uint32_t link_speed
;
4719 if (!lpfc_is_link_up(phba
))
4722 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
4723 switch (phba
->fc_linkspeed
) {
4724 case LPFC_LINK_SPEED_1GHZ
:
4727 case LPFC_LINK_SPEED_2GHZ
:
4730 case LPFC_LINK_SPEED_4GHZ
:
4733 case LPFC_LINK_SPEED_8GHZ
:
4736 case LPFC_LINK_SPEED_10GHZ
:
4739 case LPFC_LINK_SPEED_16GHZ
:
4746 if (phba
->sli4_hba
.link_state
.logical_speed
)
4748 phba
->sli4_hba
.link_state
.logical_speed
;
4750 link_speed
= phba
->sli4_hba
.link_state
.speed
;
4756 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
4757 * @phba: pointer to lpfc hba data structure.
4758 * @evt_code: asynchronous event code.
4759 * @speed_code: asynchronous event link speed code.
4761 * This routine is to parse the giving SLI4 async event link speed code into
4762 * value of Mbps for the link speed.
4764 * Return: link speed in terms of Mbps.
4767 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
4770 uint32_t port_speed
;
4773 case LPFC_TRAILER_CODE_LINK
:
4774 switch (speed_code
) {
4775 case LPFC_ASYNC_LINK_SPEED_ZERO
:
4778 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
4781 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
4784 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
4787 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
4790 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
4793 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
4796 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
4803 case LPFC_TRAILER_CODE_FC
:
4804 switch (speed_code
) {
4805 case LPFC_FC_LA_SPEED_UNKNOWN
:
4808 case LPFC_FC_LA_SPEED_1G
:
4811 case LPFC_FC_LA_SPEED_2G
:
4814 case LPFC_FC_LA_SPEED_4G
:
4817 case LPFC_FC_LA_SPEED_8G
:
4820 case LPFC_FC_LA_SPEED_10G
:
4823 case LPFC_FC_LA_SPEED_16G
:
4826 case LPFC_FC_LA_SPEED_32G
:
4829 case LPFC_FC_LA_SPEED_64G
:
4832 case LPFC_FC_LA_SPEED_128G
:
4833 port_speed
= 128000;
4846 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
4847 * @phba: pointer to lpfc hba data structure.
4848 * @acqe_link: pointer to the async link completion queue entry.
4850 * This routine is to handle the SLI4 asynchronous FCoE link event.
4853 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
4854 struct lpfc_acqe_link
*acqe_link
)
4856 struct lpfc_dmabuf
*mp
;
4859 struct lpfc_mbx_read_top
*la
;
4863 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
4864 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
4866 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
4867 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4869 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4870 "0395 The mboxq allocation failed\n");
4873 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4875 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4876 "0396 The lpfc_dmabuf allocation failed\n");
4879 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4881 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4882 "0397 The mbuf allocation failed\n");
4883 goto out_free_dmabuf
;
4886 /* Cleanup any outstanding ELS commands */
4887 lpfc_els_flush_all_cmd(phba
);
4889 /* Block ELS IOCBs until we have done process link event */
4890 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
4892 /* Update link event statistics */
4893 phba
->sli
.slistat
.link_event
++;
4895 /* Create lpfc_handle_latt mailbox command from link ACQE */
4896 lpfc_read_topology(phba
, pmb
, mp
);
4897 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4898 pmb
->vport
= phba
->pport
;
4900 /* Keep the link status for extra SLI4 state machine reference */
4901 phba
->sli4_hba
.link_state
.speed
=
4902 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
4903 bf_get(lpfc_acqe_link_speed
, acqe_link
));
4904 phba
->sli4_hba
.link_state
.duplex
=
4905 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
4906 phba
->sli4_hba
.link_state
.status
=
4907 bf_get(lpfc_acqe_link_status
, acqe_link
);
4908 phba
->sli4_hba
.link_state
.type
=
4909 bf_get(lpfc_acqe_link_type
, acqe_link
);
4910 phba
->sli4_hba
.link_state
.number
=
4911 bf_get(lpfc_acqe_link_number
, acqe_link
);
4912 phba
->sli4_hba
.link_state
.fault
=
4913 bf_get(lpfc_acqe_link_fault
, acqe_link
);
4914 phba
->sli4_hba
.link_state
.logical_speed
=
4915 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
4917 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4918 "2900 Async FC/FCoE Link event - Speed:%dGBit "
4919 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
4920 "Logical speed:%dMbps Fault:%d\n",
4921 phba
->sli4_hba
.link_state
.speed
,
4922 phba
->sli4_hba
.link_state
.topology
,
4923 phba
->sli4_hba
.link_state
.status
,
4924 phba
->sli4_hba
.link_state
.type
,
4925 phba
->sli4_hba
.link_state
.number
,
4926 phba
->sli4_hba
.link_state
.logical_speed
,
4927 phba
->sli4_hba
.link_state
.fault
);
4929 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
4930 * topology info. Note: Optional for non FC-AL ports.
4932 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
4933 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4934 if (rc
== MBX_NOT_FINISHED
)
4935 goto out_free_dmabuf
;
4939 * For FCoE Mode: fill in all the topology information we need and call
4940 * the READ_TOPOLOGY completion routine to continue without actually
4941 * sending the READ_TOPOLOGY mailbox command to the port.
4943 /* Initialize completion status */
4945 mb
->mbxStatus
= MBX_SUCCESS
;
4947 /* Parse port fault information field */
4948 lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
4950 /* Parse and translate link attention fields */
4951 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
4952 la
->eventTag
= acqe_link
->event_tag
;
4953 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
4954 bf_set(lpfc_mbx_read_top_link_spd
, la
,
4955 (bf_get(lpfc_acqe_link_speed
, acqe_link
)));
4957 /* Fake the the following irrelvant fields */
4958 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
4959 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
4960 bf_set(lpfc_mbx_read_top_il
, la
, 0);
4961 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
4962 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
4963 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
4965 /* Invoke the lpfc_handle_latt mailbox command callback function */
4966 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4973 mempool_free(pmb
, phba
->mbox_mem_pool
);
4977 * lpfc_async_link_speed_to_read_top - Parse async evt link speed code to read
4979 * @phba: pointer to lpfc hba data structure.
4980 * @evt_code: asynchronous event code.
4981 * @speed_code: asynchronous event link speed code.
4983 * This routine is to parse the giving SLI4 async event link speed code into
4984 * value of Read topology link speed.
4986 * Return: link speed in terms of Read topology.
4989 lpfc_async_link_speed_to_read_top(struct lpfc_hba
*phba
, uint8_t speed_code
)
4993 switch (speed_code
) {
4994 case LPFC_FC_LA_SPEED_1G
:
4995 port_speed
= LPFC_LINK_SPEED_1GHZ
;
4997 case LPFC_FC_LA_SPEED_2G
:
4998 port_speed
= LPFC_LINK_SPEED_2GHZ
;
5000 case LPFC_FC_LA_SPEED_4G
:
5001 port_speed
= LPFC_LINK_SPEED_4GHZ
;
5003 case LPFC_FC_LA_SPEED_8G
:
5004 port_speed
= LPFC_LINK_SPEED_8GHZ
;
5006 case LPFC_FC_LA_SPEED_16G
:
5007 port_speed
= LPFC_LINK_SPEED_16GHZ
;
5009 case LPFC_FC_LA_SPEED_32G
:
5010 port_speed
= LPFC_LINK_SPEED_32GHZ
;
5012 case LPFC_FC_LA_SPEED_64G
:
5013 port_speed
= LPFC_LINK_SPEED_64GHZ
;
5015 case LPFC_FC_LA_SPEED_128G
:
5016 port_speed
= LPFC_LINK_SPEED_128GHZ
;
5018 case LPFC_FC_LA_SPEED_256G
:
5019 port_speed
= LPFC_LINK_SPEED_256GHZ
;
5029 #define trunk_link_status(__idx)\
5030 bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
5031 ((phba->trunk_link.link##__idx.state == LPFC_LINK_UP) ?\
5032 "Link up" : "Link down") : "NA"
5033 /* Did port __idx reported an error */
5034 #define trunk_port_fault(__idx)\
5035 bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\
5036 (port_fault & (1 << __idx) ? "YES" : "NO") : "NA"
5039 lpfc_update_trunk_link_status(struct lpfc_hba
*phba
,
5040 struct lpfc_acqe_fc_la
*acqe_fc
)
5042 uint8_t port_fault
= bf_get(lpfc_acqe_fc_la_trunk_linkmask
, acqe_fc
);
5043 uint8_t err
= bf_get(lpfc_acqe_fc_la_trunk_fault
, acqe_fc
);
5045 phba
->sli4_hba
.link_state
.speed
=
5046 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
5047 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
5049 phba
->sli4_hba
.link_state
.logical_speed
=
5050 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
5051 /* We got FC link speed, convert to fc_linkspeed (READ_TOPOLOGY) */
5052 phba
->fc_linkspeed
=
5053 lpfc_async_link_speed_to_read_top(
5055 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
5057 if (bf_get(lpfc_acqe_fc_la_trunk_config_port0
, acqe_fc
)) {
5058 phba
->trunk_link
.link0
.state
=
5059 bf_get(lpfc_acqe_fc_la_trunk_link_status_port0
, acqe_fc
)
5060 ? LPFC_LINK_UP
: LPFC_LINK_DOWN
;
5061 phba
->trunk_link
.link0
.fault
= port_fault
& 0x1 ? err
: 0;
5063 if (bf_get(lpfc_acqe_fc_la_trunk_config_port1
, acqe_fc
)) {
5064 phba
->trunk_link
.link1
.state
=
5065 bf_get(lpfc_acqe_fc_la_trunk_link_status_port1
, acqe_fc
)
5066 ? LPFC_LINK_UP
: LPFC_LINK_DOWN
;
5067 phba
->trunk_link
.link1
.fault
= port_fault
& 0x2 ? err
: 0;
5069 if (bf_get(lpfc_acqe_fc_la_trunk_config_port2
, acqe_fc
)) {
5070 phba
->trunk_link
.link2
.state
=
5071 bf_get(lpfc_acqe_fc_la_trunk_link_status_port2
, acqe_fc
)
5072 ? LPFC_LINK_UP
: LPFC_LINK_DOWN
;
5073 phba
->trunk_link
.link2
.fault
= port_fault
& 0x4 ? err
: 0;
5075 if (bf_get(lpfc_acqe_fc_la_trunk_config_port3
, acqe_fc
)) {
5076 phba
->trunk_link
.link3
.state
=
5077 bf_get(lpfc_acqe_fc_la_trunk_link_status_port3
, acqe_fc
)
5078 ? LPFC_LINK_UP
: LPFC_LINK_DOWN
;
5079 phba
->trunk_link
.link3
.fault
= port_fault
& 0x8 ? err
: 0;
5082 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5083 "2910 Async FC Trunking Event - Speed:%d\n"
5084 "\tLogical speed:%d "
5085 "port0: %s port1: %s port2: %s port3: %s\n",
5086 phba
->sli4_hba
.link_state
.speed
,
5087 phba
->sli4_hba
.link_state
.logical_speed
,
5088 trunk_link_status(0), trunk_link_status(1),
5089 trunk_link_status(2), trunk_link_status(3));
5092 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5093 "3202 trunk error:0x%x (%s) seen on port0:%s "
5095 * SLI-4: We have only 0xA error codes
5096 * defined as of now. print an appropriate
5097 * message in case driver needs to be updated.
5099 "port1:%s port2:%s port3:%s\n", err
, err
> 0xA ?
5100 "UNDEFINED. update driver." : trunk_errmsg
[err
],
5101 trunk_port_fault(0), trunk_port_fault(1),
5102 trunk_port_fault(2), trunk_port_fault(3));
5107 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
5108 * @phba: pointer to lpfc hba data structure.
5109 * @acqe_fc: pointer to the async fc completion queue entry.
5111 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
5112 * that the event was received and then issue a read_topology mailbox command so
5113 * that the rest of the driver will treat it the same as SLI3.
5116 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
5118 struct lpfc_dmabuf
*mp
;
5121 struct lpfc_mbx_read_top
*la
;
5124 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
5125 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
5126 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5127 "2895 Non FC link Event detected.(%d)\n",
5128 bf_get(lpfc_trailer_type
, acqe_fc
));
5132 if (bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
) ==
5133 LPFC_FC_LA_TYPE_TRUNKING_EVENT
) {
5134 lpfc_update_trunk_link_status(phba
, acqe_fc
);
5138 /* Keep the link status for extra SLI4 state machine reference */
5139 phba
->sli4_hba
.link_state
.speed
=
5140 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
5141 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
5142 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
5143 phba
->sli4_hba
.link_state
.topology
=
5144 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
5145 phba
->sli4_hba
.link_state
.status
=
5146 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
5147 phba
->sli4_hba
.link_state
.type
=
5148 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
5149 phba
->sli4_hba
.link_state
.number
=
5150 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
5151 phba
->sli4_hba
.link_state
.fault
=
5152 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
5153 phba
->sli4_hba
.link_state
.logical_speed
=
5154 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
5155 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5156 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
5157 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
5158 "%dMbps Fault:%d\n",
5159 phba
->sli4_hba
.link_state
.speed
,
5160 phba
->sli4_hba
.link_state
.topology
,
5161 phba
->sli4_hba
.link_state
.status
,
5162 phba
->sli4_hba
.link_state
.type
,
5163 phba
->sli4_hba
.link_state
.number
,
5164 phba
->sli4_hba
.link_state
.logical_speed
,
5165 phba
->sli4_hba
.link_state
.fault
);
5166 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5168 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5169 "2897 The mboxq allocation failed\n");
5172 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5174 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5175 "2898 The lpfc_dmabuf allocation failed\n");
5178 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
5180 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5181 "2899 The mbuf allocation failed\n");
5182 goto out_free_dmabuf
;
5185 /* Cleanup any outstanding ELS commands */
5186 lpfc_els_flush_all_cmd(phba
);
5188 /* Block ELS IOCBs until we have done process link event */
5189 phba
->sli4_hba
.els_wq
->pring
->flag
|= LPFC_STOP_IOCB_EVENT
;
5191 /* Update link event statistics */
5192 phba
->sli
.slistat
.link_event
++;
5194 /* Create lpfc_handle_latt mailbox command from link ACQE */
5195 lpfc_read_topology(phba
, pmb
, mp
);
5196 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
5197 pmb
->vport
= phba
->pport
;
5199 if (phba
->sli4_hba
.link_state
.status
!= LPFC_FC_LA_TYPE_LINK_UP
) {
5200 phba
->link_flag
&= ~(LS_MDS_LINK_DOWN
| LS_MDS_LOOPBACK
);
5202 switch (phba
->sli4_hba
.link_state
.status
) {
5203 case LPFC_FC_LA_TYPE_MDS_LINK_DOWN
:
5204 phba
->link_flag
|= LS_MDS_LINK_DOWN
;
5206 case LPFC_FC_LA_TYPE_MDS_LOOPBACK
:
5207 phba
->link_flag
|= LS_MDS_LOOPBACK
;
5213 /* Initialize completion status */
5215 mb
->mbxStatus
= MBX_SUCCESS
;
5217 /* Parse port fault information field */
5218 lpfc_sli4_parse_latt_fault(phba
, (void *)acqe_fc
);
5220 /* Parse and translate link attention fields */
5221 la
= (struct lpfc_mbx_read_top
*)&pmb
->u
.mb
.un
.varReadTop
;
5222 la
->eventTag
= acqe_fc
->event_tag
;
5224 if (phba
->sli4_hba
.link_state
.status
==
5225 LPFC_FC_LA_TYPE_UNEXP_WWPN
) {
5226 bf_set(lpfc_mbx_read_top_att_type
, la
,
5227 LPFC_FC_LA_TYPE_UNEXP_WWPN
);
5229 bf_set(lpfc_mbx_read_top_att_type
, la
,
5230 LPFC_FC_LA_TYPE_LINK_DOWN
);
5232 /* Invoke the mailbox command callback function */
5233 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
5238 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
5239 if (rc
== MBX_NOT_FINISHED
)
5240 goto out_free_dmabuf
;
5246 mempool_free(pmb
, phba
->mbox_mem_pool
);
5250 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
5251 * @phba: pointer to lpfc hba data structure.
5252 * @acqe_fc: pointer to the async SLI completion queue entry.
5254 * This routine is to handle the SLI4 asynchronous SLI events.
5257 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
5263 uint8_t operational
= 0;
5264 struct temp_event temp_event_data
;
5265 struct lpfc_acqe_misconfigured_event
*misconfigured
;
5266 struct Scsi_Host
*shost
;
5267 struct lpfc_vport
**vports
;
5270 evt_type
= bf_get(lpfc_trailer_type
, acqe_sli
);
5272 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5273 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
5274 "x%08x SLI Event Type:%d\n",
5275 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
5278 port_name
= phba
->Port
[0];
5279 if (port_name
== 0x00)
5280 port_name
= '?'; /* get port name is empty */
5283 case LPFC_SLI_EVENT_TYPE_OVER_TEMP
:
5284 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
5285 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
5286 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
5288 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
5289 "3190 Over Temperature:%d Celsius- Port Name %c\n",
5290 acqe_sli
->event_data1
, port_name
);
5292 phba
->sfp_warning
|= LPFC_TRANSGRESSION_HIGH_TEMPERATURE
;
5293 shost
= lpfc_shost_from_vport(phba
->pport
);
5294 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5295 sizeof(temp_event_data
),
5296 (char *)&temp_event_data
,
5297 SCSI_NL_VID_TYPE_PCI
5298 | PCI_VENDOR_ID_EMULEX
);
5300 case LPFC_SLI_EVENT_TYPE_NORM_TEMP
:
5301 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
5302 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
5303 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
5305 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5306 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
5307 acqe_sli
->event_data1
, port_name
);
5309 shost
= lpfc_shost_from_vport(phba
->pport
);
5310 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5311 sizeof(temp_event_data
),
5312 (char *)&temp_event_data
,
5313 SCSI_NL_VID_TYPE_PCI
5314 | PCI_VENDOR_ID_EMULEX
);
5316 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED
:
5317 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
5318 &acqe_sli
->event_data1
;
5320 /* fetch the status for this port */
5321 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
5322 case LPFC_LINK_NUMBER_0
:
5323 status
= bf_get(lpfc_sli_misconfigured_port0_state
,
5324 &misconfigured
->theEvent
);
5325 operational
= bf_get(lpfc_sli_misconfigured_port0_op
,
5326 &misconfigured
->theEvent
);
5328 case LPFC_LINK_NUMBER_1
:
5329 status
= bf_get(lpfc_sli_misconfigured_port1_state
,
5330 &misconfigured
->theEvent
);
5331 operational
= bf_get(lpfc_sli_misconfigured_port1_op
,
5332 &misconfigured
->theEvent
);
5334 case LPFC_LINK_NUMBER_2
:
5335 status
= bf_get(lpfc_sli_misconfigured_port2_state
,
5336 &misconfigured
->theEvent
);
5337 operational
= bf_get(lpfc_sli_misconfigured_port2_op
,
5338 &misconfigured
->theEvent
);
5340 case LPFC_LINK_NUMBER_3
:
5341 status
= bf_get(lpfc_sli_misconfigured_port3_state
,
5342 &misconfigured
->theEvent
);
5343 operational
= bf_get(lpfc_sli_misconfigured_port3_op
,
5344 &misconfigured
->theEvent
);
5347 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5349 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
5350 "event: Invalid link %d",
5351 phba
->sli4_hba
.lnk_info
.lnk_no
);
5355 /* Skip if optic state unchanged */
5356 if (phba
->sli4_hba
.lnk_info
.optic_state
== status
)
5360 case LPFC_SLI_EVENT_STATUS_VALID
:
5361 sprintf(message
, "Physical Link is functional");
5363 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
5364 sprintf(message
, "Optics faulted/incorrectly "
5365 "installed/not installed - Reseat optics, "
5366 "if issue not resolved, replace.");
5368 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
5370 "Optics of two types installed - Remove one "
5371 "optic or install matching pair of optics.");
5373 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
5374 sprintf(message
, "Incompatible optics - Replace with "
5375 "compatible optics for card to function.");
5377 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED
:
5378 sprintf(message
, "Unqualified optics - Replace with "
5379 "Avago optics for Warranty and Technical "
5380 "Support - Link is%s operational",
5381 (operational
) ? " not" : "");
5383 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED
:
5384 sprintf(message
, "Uncertified optics - Replace with "
5385 "Avago-certified optics to enable link "
5386 "operation - Link is%s operational",
5387 (operational
) ? " not" : "");
5390 /* firmware is reporting a status we don't know about */
5391 sprintf(message
, "Unknown event status x%02x", status
);
5395 /* Issue READ_CONFIG mbox command to refresh supported speeds */
5396 rc
= lpfc_sli4_read_config(phba
);
5399 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5400 "3194 Unable to retrieve supported "
5401 "speeds, rc = 0x%x\n", rc
);
5403 vports
= lpfc_create_vport_work_array(phba
);
5404 if (vports
!= NULL
) {
5405 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
5407 shost
= lpfc_shost_from_vport(vports
[i
]);
5408 lpfc_host_supported_speeds_set(shost
);
5411 lpfc_destroy_vport_work_array(phba
, vports
);
5413 phba
->sli4_hba
.lnk_info
.optic_state
= status
;
5414 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5415 "3176 Port Name %c %s\n", port_name
, message
);
5417 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT
:
5418 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5419 "3192 Remote DPort Test Initiated - "
5420 "Event Data1:x%08x Event Data2: x%08x\n",
5421 acqe_sli
->event_data1
, acqe_sli
->event_data2
);
5424 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5425 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
5426 "x%08x SLI Event Type:%d\n",
5427 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
5434 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
5435 * @vport: pointer to vport data structure.
5437 * This routine is to perform Clear Virtual Link (CVL) on a vport in
5438 * response to a CVL event.
5440 * Return the pointer to the ndlp with the vport if successful, otherwise
5443 static struct lpfc_nodelist
*
5444 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
5446 struct lpfc_nodelist
*ndlp
;
5447 struct Scsi_Host
*shost
;
5448 struct lpfc_hba
*phba
;
5455 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
5457 /* Cannot find existing Fabric ndlp, so allocate a new one */
5458 ndlp
= lpfc_nlp_init(vport
, Fabric_DID
);
5461 /* Set the node type */
5462 ndlp
->nlp_type
|= NLP_FABRIC
;
5463 /* Put ndlp onto node list */
5464 lpfc_enqueue_node(vport
, ndlp
);
5465 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
5466 /* re-setup ndlp without removing from node list */
5467 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
5471 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
5472 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
5474 /* If virtual link is not yet instantiated ignore CVL */
5475 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
5476 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
5478 shost
= lpfc_shost_from_vport(vport
);
5481 lpfc_linkdown_port(vport
);
5482 lpfc_cleanup_pending_mbox(vport
);
5483 spin_lock_irq(shost
->host_lock
);
5484 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
5485 spin_unlock_irq(shost
->host_lock
);
5491 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
5492 * @vport: pointer to lpfc hba data structure.
5494 * This routine is to perform Clear Virtual Link (CVL) on all vports in
5495 * response to a FCF dead event.
5498 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
5500 struct lpfc_vport
**vports
;
5503 vports
= lpfc_create_vport_work_array(phba
);
5505 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
5506 lpfc_sli4_perform_vport_cvl(vports
[i
]);
5507 lpfc_destroy_vport_work_array(phba
, vports
);
5511 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
5512 * @phba: pointer to lpfc hba data structure.
5513 * @acqe_link: pointer to the async fcoe completion queue entry.
5515 * This routine is to handle the SLI4 asynchronous fcoe event.
5518 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
5519 struct lpfc_acqe_fip
*acqe_fip
)
5521 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
5523 struct lpfc_vport
*vport
;
5524 struct lpfc_nodelist
*ndlp
;
5525 struct Scsi_Host
*shost
;
5526 int active_vlink_present
;
5527 struct lpfc_vport
**vports
;
5530 phba
->fc_eventTag
= acqe_fip
->event_tag
;
5531 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
5532 switch (event_type
) {
5533 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
5534 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
5535 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
5536 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5538 "2546 New FCF event, evt_tag:x%x, "
5540 acqe_fip
->event_tag
,
5543 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
5545 "2788 FCF param modified event, "
5546 "evt_tag:x%x, index:x%x\n",
5547 acqe_fip
->event_tag
,
5549 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
5551 * During period of FCF discovery, read the FCF
5552 * table record indexed by the event to update
5553 * FCF roundrobin failover eligible FCF bmask.
5555 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
5557 "2779 Read FCF (x%x) for updating "
5558 "roundrobin FCF failover bmask\n",
5560 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
5563 /* If the FCF discovery is in progress, do nothing. */
5564 spin_lock_irq(&phba
->hbalock
);
5565 if (phba
->hba_flag
& FCF_TS_INPROG
) {
5566 spin_unlock_irq(&phba
->hbalock
);
5569 /* If fast FCF failover rescan event is pending, do nothing */
5570 if (phba
->fcf
.fcf_flag
& (FCF_REDISC_EVT
| FCF_REDISC_PEND
)) {
5571 spin_unlock_irq(&phba
->hbalock
);
5575 /* If the FCF has been in discovered state, do nothing. */
5576 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
5577 spin_unlock_irq(&phba
->hbalock
);
5580 spin_unlock_irq(&phba
->hbalock
);
5582 /* Otherwise, scan the entire FCF table and re-discover SAN */
5583 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5584 "2770 Start FCF table scan per async FCF "
5585 "event, evt_tag:x%x, index:x%x\n",
5586 acqe_fip
->event_tag
, acqe_fip
->index
);
5587 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
5588 LPFC_FCOE_FCF_GET_FIRST
);
5590 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5591 "2547 Issue FCF scan read FCF mailbox "
5592 "command failed (x%x)\n", rc
);
5595 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
5596 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5597 "2548 FCF Table full count 0x%x tag 0x%x\n",
5598 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
5599 acqe_fip
->event_tag
);
5602 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
5603 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
5604 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5605 "2549 FCF (x%x) disconnected from network, "
5606 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
5608 * If we are in the middle of FCF failover process, clear
5609 * the corresponding FCF bit in the roundrobin bitmap.
5611 spin_lock_irq(&phba
->hbalock
);
5612 if ((phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) &&
5613 (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)) {
5614 spin_unlock_irq(&phba
->hbalock
);
5615 /* Update FLOGI FCF failover eligible FCF bmask */
5616 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
5619 spin_unlock_irq(&phba
->hbalock
);
5621 /* If the event is not for currently used fcf do nothing */
5622 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
5626 * Otherwise, request the port to rediscover the entire FCF
5627 * table for a fast recovery from case that the current FCF
5628 * is no longer valid as we are not in the middle of FCF
5629 * failover process already.
5631 spin_lock_irq(&phba
->hbalock
);
5632 /* Mark the fast failover process in progress */
5633 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
5634 spin_unlock_irq(&phba
->hbalock
);
5636 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5637 "2771 Start FCF fast failover process due to "
5638 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
5639 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
5640 rc
= lpfc_sli4_redisc_fcf_table(phba
);
5642 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5644 "2772 Issue FCF rediscover mailbox "
5645 "command failed, fail through to FCF "
5647 spin_lock_irq(&phba
->hbalock
);
5648 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
5649 spin_unlock_irq(&phba
->hbalock
);
5651 * Last resort will fail over by treating this
5652 * as a link down to FCF registration.
5654 lpfc_sli4_fcf_dead_failthrough(phba
);
5656 /* Reset FCF roundrobin bmask for new discovery */
5657 lpfc_sli4_clear_fcf_rr_bmask(phba
);
5659 * Handling fast FCF failover to a DEAD FCF event is
5660 * considered equalivant to receiving CVL to all vports.
5662 lpfc_sli4_perform_all_vport_cvl(phba
);
5665 case LPFC_FIP_EVENT_TYPE_CVL
:
5666 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
5667 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5668 "2718 Clear Virtual Link Received for VPI 0x%x"
5669 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
5671 vport
= lpfc_find_vport_by_vpid(phba
,
5673 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
5676 active_vlink_present
= 0;
5678 vports
= lpfc_create_vport_work_array(phba
);
5680 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
5682 if ((!(vports
[i
]->fc_flag
&
5683 FC_VPORT_CVL_RCVD
)) &&
5684 (vports
[i
]->port_state
> LPFC_FDISC
)) {
5685 active_vlink_present
= 1;
5689 lpfc_destroy_vport_work_array(phba
, vports
);
5693 * Don't re-instantiate if vport is marked for deletion.
5694 * If we are here first then vport_delete is going to wait
5695 * for discovery to complete.
5697 if (!(vport
->load_flag
& FC_UNLOADING
) &&
5698 active_vlink_present
) {
5700 * If there are other active VLinks present,
5701 * re-instantiate the Vlink using FDISC.
5703 mod_timer(&ndlp
->nlp_delayfunc
,
5704 jiffies
+ msecs_to_jiffies(1000));
5705 shost
= lpfc_shost_from_vport(vport
);
5706 spin_lock_irq(shost
->host_lock
);
5707 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
5708 spin_unlock_irq(shost
->host_lock
);
5709 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
5710 vport
->port_state
= LPFC_FDISC
;
5713 * Otherwise, we request port to rediscover
5714 * the entire FCF table for a fast recovery
5715 * from possible case that the current FCF
5716 * is no longer valid if we are not already
5717 * in the FCF failover process.
5719 spin_lock_irq(&phba
->hbalock
);
5720 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
5721 spin_unlock_irq(&phba
->hbalock
);
5724 /* Mark the fast failover process in progress */
5725 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
5726 spin_unlock_irq(&phba
->hbalock
);
5727 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
5729 "2773 Start FCF failover per CVL, "
5730 "evt_tag:x%x\n", acqe_fip
->event_tag
);
5731 rc
= lpfc_sli4_redisc_fcf_table(phba
);
5733 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
5735 "2774 Issue FCF rediscover "
5736 "mailbox command failed, "
5737 "through to CVL event\n");
5738 spin_lock_irq(&phba
->hbalock
);
5739 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
5740 spin_unlock_irq(&phba
->hbalock
);
5742 * Last resort will be re-try on the
5743 * the current registered FCF entry.
5745 lpfc_retry_pport_discovery(phba
);
5748 * Reset FCF roundrobin bmask for new
5751 lpfc_sli4_clear_fcf_rr_bmask(phba
);
5755 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5756 "0288 Unknown FCoE event type 0x%x event tag "
5757 "0x%x\n", event_type
, acqe_fip
->event_tag
);
5763 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
5764 * @phba: pointer to lpfc hba data structure.
5765 * @acqe_link: pointer to the async dcbx completion queue entry.
5767 * This routine is to handle the SLI4 asynchronous dcbx event.
5770 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
5771 struct lpfc_acqe_dcbx
*acqe_dcbx
)
5773 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
5774 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5775 "0290 The SLI4 DCBX asynchronous event is not "
5780 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
5781 * @phba: pointer to lpfc hba data structure.
5782 * @acqe_link: pointer to the async grp5 completion queue entry.
5784 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
5785 * is an asynchronous notified of a logical link speed change. The Port
5786 * reports the logical link speed in units of 10Mbps.
5789 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
5790 struct lpfc_acqe_grp5
*acqe_grp5
)
5792 uint16_t prev_ll_spd
;
5794 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
5795 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
5796 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
5797 phba
->sli4_hba
.link_state
.logical_speed
=
5798 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
5799 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5800 "2789 GRP5 Async Event: Updating logical link speed "
5801 "from %dMbps to %dMbps\n", prev_ll_spd
,
5802 phba
->sli4_hba
.link_state
.logical_speed
);
5806 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
5807 * @phba: pointer to lpfc hba data structure.
5809 * This routine is invoked by the worker thread to process all the pending
5810 * SLI4 asynchronous events.
5812 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
5814 struct lpfc_cq_event
*cq_event
;
5816 /* First, declare the async event has been handled */
5817 spin_lock_irq(&phba
->hbalock
);
5818 phba
->hba_flag
&= ~ASYNC_EVENT
;
5819 spin_unlock_irq(&phba
->hbalock
);
5820 /* Now, handle all the async events */
5821 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
5822 /* Get the first event from the head of the event queue */
5823 spin_lock_irq(&phba
->hbalock
);
5824 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
5825 cq_event
, struct lpfc_cq_event
, list
);
5826 spin_unlock_irq(&phba
->hbalock
);
5827 /* Process the asynchronous event */
5828 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
5829 case LPFC_TRAILER_CODE_LINK
:
5830 lpfc_sli4_async_link_evt(phba
,
5831 &cq_event
->cqe
.acqe_link
);
5833 case LPFC_TRAILER_CODE_FCOE
:
5834 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
5836 case LPFC_TRAILER_CODE_DCBX
:
5837 lpfc_sli4_async_dcbx_evt(phba
,
5838 &cq_event
->cqe
.acqe_dcbx
);
5840 case LPFC_TRAILER_CODE_GRP5
:
5841 lpfc_sli4_async_grp5_evt(phba
,
5842 &cq_event
->cqe
.acqe_grp5
);
5844 case LPFC_TRAILER_CODE_FC
:
5845 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
5847 case LPFC_TRAILER_CODE_SLI
:
5848 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
5851 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5852 "1804 Invalid asynchrous event code: "
5853 "x%x\n", bf_get(lpfc_trailer_code
,
5854 &cq_event
->cqe
.mcqe_cmpl
));
5857 /* Free the completion event processed to the free pool */
5858 lpfc_sli4_cq_event_release(phba
, cq_event
);
5863 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
5864 * @phba: pointer to lpfc hba data structure.
5866 * This routine is invoked by the worker thread to process FCF table
5867 * rediscovery pending completion event.
5869 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
5873 spin_lock_irq(&phba
->hbalock
);
5874 /* Clear FCF rediscovery timeout event */
5875 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
5876 /* Clear driver fast failover FCF record flag */
5877 phba
->fcf
.failover_rec
.flag
= 0;
5878 /* Set state for FCF fast failover */
5879 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
5880 spin_unlock_irq(&phba
->hbalock
);
5882 /* Scan FCF table from the first entry to re-discover SAN */
5883 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
5884 "2777 Start post-quiescent FCF table scan\n");
5885 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
5887 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
5888 "2747 Issue FCF scan read FCF mailbox "
5889 "command failed 0x%x\n", rc
);
5893 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
5894 * @phba: pointer to lpfc hba data structure.
5895 * @dev_grp: The HBA PCI-Device group number.
5897 * This routine is invoked to set up the per HBA PCI-Device group function
5898 * API jump table entries.
5900 * Return: 0 if success, otherwise -ENODEV
5903 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5907 /* Set up lpfc PCI-device group */
5908 phba
->pci_dev_grp
= dev_grp
;
5910 /* The LPFC_PCI_DEV_OC uses SLI4 */
5911 if (dev_grp
== LPFC_PCI_DEV_OC
)
5912 phba
->sli_rev
= LPFC_SLI_REV4
;
5914 /* Set up device INIT API function jump table */
5915 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
5918 /* Set up SCSI API function jump table */
5919 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
5922 /* Set up SLI API function jump table */
5923 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
5926 /* Set up MBOX API function jump table */
5927 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
5935 * lpfc_log_intr_mode - Log the active interrupt mode
5936 * @phba: pointer to lpfc hba data structure.
5937 * @intr_mode: active interrupt mode adopted.
5939 * This routine it invoked to log the currently used active interrupt mode
5942 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
5944 switch (intr_mode
) {
5946 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5947 "0470 Enable INTx interrupt mode.\n");
5950 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5951 "0481 Enabled MSI interrupt mode.\n");
5954 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5955 "0480 Enabled MSI-X interrupt mode.\n");
5958 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5959 "0482 Illegal interrupt mode.\n");
5966 * lpfc_enable_pci_dev - Enable a generic PCI device.
5967 * @phba: pointer to lpfc hba data structure.
5969 * This routine is invoked to enable the PCI device that is common to all
5974 * other values - error
5977 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
5979 struct pci_dev
*pdev
;
5981 /* Obtain PCI device reference */
5985 pdev
= phba
->pcidev
;
5986 /* Enable PCI device */
5987 if (pci_enable_device_mem(pdev
))
5989 /* Request PCI resource for the device */
5990 if (pci_request_mem_regions(pdev
, LPFC_DRIVER_NAME
))
5991 goto out_disable_device
;
5992 /* Set up device as PCI master and save state for EEH */
5993 pci_set_master(pdev
);
5994 pci_try_set_mwi(pdev
);
5995 pci_save_state(pdev
);
5997 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
5998 if (pci_is_pcie(pdev
))
5999 pdev
->needs_freset
= 1;
6004 pci_disable_device(pdev
);
6006 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6007 "1401 Failed to enable pci device\n");
6012 * lpfc_disable_pci_dev - Disable a generic PCI device.
6013 * @phba: pointer to lpfc hba data structure.
6015 * This routine is invoked to disable the PCI device that is common to all
6019 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
6021 struct pci_dev
*pdev
;
6023 /* Obtain PCI device reference */
6027 pdev
= phba
->pcidev
;
6028 /* Release PCI resource and disable PCI device */
6029 pci_release_mem_regions(pdev
);
6030 pci_disable_device(pdev
);
6036 * lpfc_reset_hba - Reset a hba
6037 * @phba: pointer to lpfc hba data structure.
6039 * This routine is invoked to reset a hba device. It brings the HBA
6040 * offline, performs a board restart, and then brings the board back
6041 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
6042 * on outstanding mailbox commands.
6045 lpfc_reset_hba(struct lpfc_hba
*phba
)
6047 /* If resets are disabled then set error state and return. */
6048 if (!phba
->cfg_enable_hba_reset
) {
6049 phba
->link_state
= LPFC_HBA_ERROR
;
6052 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
6053 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
6055 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
6057 lpfc_sli_brdrestart(phba
);
6059 lpfc_unblock_mgmt_io(phba
);
6063 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
6064 * @phba: pointer to lpfc hba data structure.
6066 * This function enables the PCI SR-IOV virtual functions to a physical
6067 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
6068 * enable the number of virtual functions to the physical function. As
6069 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
6070 * API call does not considered as an error condition for most of the device.
6073 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
6075 struct pci_dev
*pdev
= phba
->pcidev
;
6079 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
6083 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
6088 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
6089 * @phba: pointer to lpfc hba data structure.
6090 * @nr_vfn: number of virtual functions to be enabled.
6092 * This function enables the PCI SR-IOV virtual functions to a physical
6093 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
6094 * enable the number of virtual functions to the physical function. As
6095 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
6096 * API call does not considered as an error condition for most of the device.
6099 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
6101 struct pci_dev
*pdev
= phba
->pcidev
;
6102 uint16_t max_nr_vfn
;
6105 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
6106 if (nr_vfn
> max_nr_vfn
) {
6107 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6108 "3057 Requested vfs (%d) greater than "
6109 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
6113 rc
= pci_enable_sriov(pdev
, nr_vfn
);
6115 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6116 "2806 Failed to enable sriov on this device "
6117 "with vfn number nr_vf:%d, rc:%d\n",
6120 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6121 "2807 Successful enable sriov on this device "
6122 "with vfn number nr_vf:%d\n", nr_vfn
);
6127 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
6128 * @phba: pointer to lpfc hba data structure.
6130 * This routine is invoked to set up the driver internal resources before the
6131 * device specific resource setup to support the HBA device it attached to.
6135 * other values - error
6138 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
6140 struct lpfc_sli
*psli
= &phba
->sli
;
6143 * Driver resources common to all SLI revisions
6145 atomic_set(&phba
->fast_event_count
, 0);
6146 spin_lock_init(&phba
->hbalock
);
6148 /* Initialize ndlp management spinlock */
6149 spin_lock_init(&phba
->ndlp_lock
);
6151 /* Initialize port_list spinlock */
6152 spin_lock_init(&phba
->port_list_lock
);
6153 INIT_LIST_HEAD(&phba
->port_list
);
6155 INIT_LIST_HEAD(&phba
->work_list
);
6156 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
6158 /* Initialize the wait queue head for the kernel thread */
6159 init_waitqueue_head(&phba
->work_waitq
);
6161 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6162 "1403 Protocols supported %s %s %s\n",
6163 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) ?
6165 ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) ?
6167 (phba
->nvmet_support
? "NVMET" : " "));
6169 /* Initialize the IO buffer list used by driver for SLI3 SCSI */
6170 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
6171 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
6172 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
6173 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
6175 /* Initialize the fabric iocb list */
6176 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
6178 /* Initialize list to save ELS buffers */
6179 INIT_LIST_HEAD(&phba
->elsbuf
);
6181 /* Initialize FCF connection rec list */
6182 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
6184 /* Initialize OAS configuration list */
6185 spin_lock_init(&phba
->devicelock
);
6186 INIT_LIST_HEAD(&phba
->luns
);
6188 /* MBOX heartbeat timer */
6189 timer_setup(&psli
->mbox_tmo
, lpfc_mbox_timeout
, 0);
6190 /* Fabric block timer */
6191 timer_setup(&phba
->fabric_block_timer
, lpfc_fabric_block_timeout
, 0);
6192 /* EA polling mode timer */
6193 timer_setup(&phba
->eratt_poll
, lpfc_poll_eratt
, 0);
6194 /* Heartbeat timer */
6195 timer_setup(&phba
->hb_tmofunc
, lpfc_hb_timeout
, 0);
6197 INIT_DELAYED_WORK(&phba
->eq_delay_work
, lpfc_hb_eq_delay_work
);
6203 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev
6204 * @phba: pointer to lpfc hba data structure.
6206 * This routine is invoked to set up the driver internal resources specific to
6207 * support the SLI-3 HBA device it attached to.
6211 * other values - error
6214 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
6219 * Initialize timers used by driver
6222 /* FCP polling mode timer */
6223 timer_setup(&phba
->fcp_poll_timer
, lpfc_poll_timeout
, 0);
6225 /* Host attention work mask setup */
6226 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
6227 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
6229 /* Get all the module params for configuring this host */
6230 lpfc_get_cfgparam(phba
);
6231 /* Set up phase-1 common device driver resources */
6233 rc
= lpfc_setup_driver_resource_phase1(phba
);
6237 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
6238 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
6239 /* check for menlo minimum sg count */
6240 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
6241 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
6244 if (!phba
->sli
.sli3_ring
)
6245 phba
->sli
.sli3_ring
= kcalloc(LPFC_SLI3_MAX_RING
,
6246 sizeof(struct lpfc_sli_ring
),
6248 if (!phba
->sli
.sli3_ring
)
6252 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
6253 * used to create the sg_dma_buf_pool must be dynamically calculated.
6256 /* Initialize the host templates the configured values. */
6257 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
6258 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
6259 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
6261 if (phba
->sli_rev
== LPFC_SLI_REV4
)
6262 entry_sz
= sizeof(struct sli4_sge
);
6264 entry_sz
= sizeof(struct ulp_bde64
);
6266 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
6267 if (phba
->cfg_enable_bg
) {
6269 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
6270 * the FCP rsp, and a BDE for each. Sice we have no control
6271 * over how many protection data segments the SCSI Layer
6272 * will hand us (ie: there could be one for every block
6273 * in the IO), we just allocate enough BDEs to accomidate
6274 * our max amount and we need to limit lpfc_sg_seg_cnt to
6275 * minimize the risk of running out.
6277 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
6278 sizeof(struct fcp_rsp
) +
6279 (LPFC_MAX_SG_SEG_CNT
* entry_sz
);
6281 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
6282 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
6284 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
6285 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
6288 * The scsi_buf for a regular I/O will hold the FCP cmnd,
6289 * the FCP rsp, a BDE for each, and a BDE for up to
6290 * cfg_sg_seg_cnt data segments.
6292 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
6293 sizeof(struct fcp_rsp
) +
6294 ((phba
->cfg_sg_seg_cnt
+ 2) * entry_sz
);
6296 /* Total BDEs in BPL for scsi_sg_list */
6297 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
6300 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
6301 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
6302 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
6303 phba
->cfg_total_seg_cnt
);
6305 phba
->max_vpi
= LPFC_MAX_VPI
;
6306 /* This will be set to correct value after config_port mbox */
6307 phba
->max_vports
= 0;
6310 * Initialize the SLI Layer to run with lpfc HBAs.
6312 lpfc_sli_setup(phba
);
6313 lpfc_sli_queue_init(phba
);
6315 /* Allocate device driver memory */
6316 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
6320 * Enable sr-iov virtual functions if supported and configured
6321 * through the module parameter.
6323 if (phba
->cfg_sriov_nr_virtfn
> 0) {
6324 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
6325 phba
->cfg_sriov_nr_virtfn
);
6327 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6328 "2808 Requested number of SR-IOV "
6329 "virtual functions (%d) is not "
6331 phba
->cfg_sriov_nr_virtfn
);
6332 phba
->cfg_sriov_nr_virtfn
= 0;
6340 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
6341 * @phba: pointer to lpfc hba data structure.
6343 * This routine is invoked to unset the driver internal resources set up
6344 * specific for supporting the SLI-3 HBA device it attached to.
6347 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
6349 /* Free device driver memory allocated */
6350 lpfc_mem_free_all(phba
);
6356 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
6357 * @phba: pointer to lpfc hba data structure.
6359 * This routine is invoked to set up the driver internal resources specific to
6360 * support the SLI-4 HBA device it attached to.
6364 * other values - error
6367 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
6369 LPFC_MBOXQ_t
*mboxq
;
6371 int rc
, i
, max_buf_size
;
6372 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
6373 struct lpfc_mqe
*mqe
;
6380 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
6381 phba
->sli4_hba
.num_possible_cpu
= num_possible_cpus();
6382 phba
->sli4_hba
.curr_disp_cpu
= 0;
6384 /* Get all the module params for configuring this host */
6385 lpfc_get_cfgparam(phba
);
6387 /* Set up phase-1 common device driver resources */
6388 rc
= lpfc_setup_driver_resource_phase1(phba
);
6392 /* Before proceed, wait for POST done and device ready */
6393 rc
= lpfc_sli4_post_status_check(phba
);
6398 * Initialize timers used by driver
6401 timer_setup(&phba
->rrq_tmr
, lpfc_rrq_timeout
, 0);
6403 /* FCF rediscover timer */
6404 timer_setup(&phba
->fcf
.redisc_wait
, lpfc_sli4_fcf_redisc_wait_tmo
, 0);
6407 * Control structure for handling external multi-buffer mailbox
6408 * command pass-through.
6410 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
6411 sizeof(struct lpfc_mbox_ext_buf_ctx
));
6412 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
6414 phba
->max_vpi
= LPFC_MAX_VPI
;
6416 /* This will be set to correct value after the read_config mbox */
6417 phba
->max_vports
= 0;
6419 /* Program the default value of vlan_id and fc_map */
6420 phba
->valid_vlan
= 0;
6421 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
6422 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
6423 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
6426 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
6427 * we will associate a new ring, for each EQ/CQ/WQ tuple.
6428 * The WQ create will allocate the ring.
6432 * 1 for cmd, 1 for rsp, NVME adds an extra one
6433 * for boundary conditions in its max_sgl_segment template.
6436 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
6440 * It doesn't matter what family our adapter is in, we are
6441 * limited to 2 Pages, 512 SGEs, for our SGL.
6442 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
6444 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
6447 * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size
6448 * used to create the sg_dma_buf_pool must be calculated.
6450 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
) {
6452 * The scsi_buf for a T10-DIF I/O holds the FCP cmnd,
6453 * the FCP rsp, and a SGE. Sice we have no control
6454 * over how many protection segments the SCSI Layer
6455 * will hand us (ie: there could be one for every block
6456 * in the IO), just allocate enough SGEs to accomidate
6457 * our max amount and we need to limit lpfc_sg_seg_cnt
6458 * to minimize the risk of running out.
6460 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
6461 sizeof(struct fcp_rsp
) + max_buf_size
;
6463 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
6464 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
6467 * If supporting DIF, reduce the seg count for scsi to
6468 * allow room for the DIF sges.
6470 if (phba
->cfg_enable_bg
&&
6471 phba
->cfg_sg_seg_cnt
> LPFC_MAX_BG_SLI4_SEG_CNT_DIF
)
6472 phba
->cfg_scsi_seg_cnt
= LPFC_MAX_BG_SLI4_SEG_CNT_DIF
;
6474 phba
->cfg_scsi_seg_cnt
= phba
->cfg_sg_seg_cnt
;
6478 * The scsi_buf for a regular I/O holds the FCP cmnd,
6479 * the FCP rsp, a SGE for each, and a SGE for up to
6480 * cfg_sg_seg_cnt data segments.
6482 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
6483 sizeof(struct fcp_rsp
) +
6484 ((phba
->cfg_sg_seg_cnt
+ extra
) *
6485 sizeof(struct sli4_sge
));
6487 /* Total SGEs for scsi_sg_list */
6488 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ extra
;
6489 phba
->cfg_scsi_seg_cnt
= phba
->cfg_sg_seg_cnt
;
6492 * NOTE: if (phba->cfg_sg_seg_cnt + extra) <= 256 we only
6493 * need to post 1 page for the SGL.
6497 /* Limit to LPFC_MAX_NVME_SEG_CNT for NVME. */
6498 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
6499 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_NVME_SEG_CNT
) {
6500 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME
| LOG_INIT
,
6501 "6300 Reducing NVME sg segment "
6503 LPFC_MAX_NVME_SEG_CNT
);
6504 phba
->cfg_nvme_seg_cnt
= LPFC_MAX_NVME_SEG_CNT
;
6506 phba
->cfg_nvme_seg_cnt
= phba
->cfg_sg_seg_cnt
;
6509 /* Initialize the host templates with the updated values. */
6510 lpfc_vport_template
.sg_tablesize
= phba
->cfg_scsi_seg_cnt
;
6511 lpfc_template
.sg_tablesize
= phba
->cfg_scsi_seg_cnt
;
6512 lpfc_template_no_hr
.sg_tablesize
= phba
->cfg_scsi_seg_cnt
;
6514 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
6515 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
6517 phba
->cfg_sg_dma_buf_size
=
6518 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
6520 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
6521 "9087 sg_seg_cnt:%d dmabuf_size:%d "
6522 "total:%d scsi:%d nvme:%d\n",
6523 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
6524 phba
->cfg_total_seg_cnt
, phba
->cfg_scsi_seg_cnt
,
6525 phba
->cfg_nvme_seg_cnt
);
6527 /* Initialize buffer queue management fields */
6528 INIT_LIST_HEAD(&phba
->hbqs
[LPFC_ELS_HBQ
].hbq_buffer_list
);
6529 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
6530 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
6533 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
6535 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
6536 /* Initialize the Abort scsi buffer list used by driver */
6537 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
6538 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
6541 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
6542 /* Initialize the Abort nvme buffer list used by driver */
6543 spin_lock_init(&phba
->sli4_hba
.abts_nvmet_buf_list_lock
);
6544 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
6545 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_io_wait_list
);
6548 /* This abort list used by worker thread */
6549 spin_lock_init(&phba
->sli4_hba
.sgl_list_lock
);
6550 spin_lock_init(&phba
->sli4_hba
.nvmet_io_wait_lock
);
6553 * Initialize driver internal slow-path work queues
6556 /* Driver internel slow-path CQ Event pool */
6557 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
6558 /* Response IOCB work queue list */
6559 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
6560 /* Asynchronous event CQ Event work queue list */
6561 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
6562 /* Fast-path XRI aborted CQ Event work queue list */
6563 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
6564 /* Slow-path XRI aborted CQ Event work queue list */
6565 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
6566 /* Receive queue CQ Event work queue list */
6567 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
6569 /* Initialize extent block lists. */
6570 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
6571 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
6572 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
6573 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
6575 /* Initialize mboxq lists. If the early init routines fail
6576 * these lists need to be correctly initialized.
6578 INIT_LIST_HEAD(&phba
->sli
.mboxq
);
6579 INIT_LIST_HEAD(&phba
->sli
.mboxq_cmpl
);
6581 /* initialize optic_state to 0xFF */
6582 phba
->sli4_hba
.lnk_info
.optic_state
= 0xff;
6584 /* Allocate device driver memory */
6585 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
6589 /* IF Type 2 ports get initialized now. */
6590 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) >=
6591 LPFC_SLI_INTF_IF_TYPE_2
) {
6592 rc
= lpfc_pci_function_reset(phba
);
6597 phba
->temp_sensor_support
= 1;
6600 /* Create the bootstrap mailbox command */
6601 rc
= lpfc_create_bootstrap_mbox(phba
);
6605 /* Set up the host's endian order with the device. */
6606 rc
= lpfc_setup_endian_order(phba
);
6608 goto out_free_bsmbx
;
6610 /* Set up the hba's configuration parameters. */
6611 rc
= lpfc_sli4_read_config(phba
);
6613 goto out_free_bsmbx
;
6614 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
6616 goto out_free_bsmbx
;
6618 /* IF Type 0 ports get initialized now. */
6619 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
6620 LPFC_SLI_INTF_IF_TYPE_0
) {
6621 rc
= lpfc_pci_function_reset(phba
);
6623 goto out_free_bsmbx
;
6626 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6630 goto out_free_bsmbx
;
6633 /* Check for NVMET being configured */
6634 phba
->nvmet_support
= 0;
6635 if (lpfc_enable_nvmet_cnt
) {
6637 /* First get WWN of HBA instance */
6638 lpfc_read_nv(phba
, mboxq
);
6639 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6640 if (rc
!= MBX_SUCCESS
) {
6641 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6642 "6016 Mailbox failed , mbxCmd x%x "
6643 "READ_NV, mbxStatus x%x\n",
6644 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
6645 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
6646 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6648 goto out_free_bsmbx
;
6651 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.nodename
,
6653 wwn
= cpu_to_be64(wwn
);
6654 phba
->sli4_hba
.wwnn
.u
.name
= wwn
;
6655 memcpy(&wwn
, (char *)mb
->un
.varRDnvp
.portname
,
6657 /* wwn is WWPN of HBA instance */
6658 wwn
= cpu_to_be64(wwn
);
6659 phba
->sli4_hba
.wwpn
.u
.name
= wwn
;
6661 /* Check to see if it matches any module parameter */
6662 for (i
= 0; i
< lpfc_enable_nvmet_cnt
; i
++) {
6663 if (wwn
== lpfc_enable_nvmet
[i
]) {
6664 #if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
6665 if (lpfc_nvmet_mem_alloc(phba
))
6668 phba
->nvmet_support
= 1; /* a match */
6670 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6671 "6017 NVME Target %016llx\n",
6674 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6675 "6021 Can't enable NVME Target."
6676 " NVME_TARGET_FC infrastructure"
6677 " is not in kernel\n");
6679 /* Not supported for NVMET */
6680 phba
->cfg_xri_rebalancing
= 0;
6686 lpfc_nvme_mod_param_dep(phba
);
6688 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
6689 lpfc_supported_pages(mboxq
);
6690 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6692 mqe
= &mboxq
->u
.mqe
;
6693 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
6694 LPFC_MAX_SUPPORTED_PAGES
);
6695 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
6696 switch (pn_page
[i
]) {
6697 case LPFC_SLI4_PARAMETERS
:
6698 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
6704 /* Read the port's SLI4 Parameters capabilities if supported. */
6705 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
6706 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
6708 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6710 goto out_free_bsmbx
;
6715 * Get sli4 parameters that override parameters from Port capabilities.
6716 * If this call fails, it isn't critical unless the SLI4 parameters come
6719 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
6721 if_type
= bf_get(lpfc_sli_intf_if_type
,
6722 &phba
->sli4_hba
.sli_intf
);
6723 if_fam
= bf_get(lpfc_sli_intf_sli_family
,
6724 &phba
->sli4_hba
.sli_intf
);
6725 if (phba
->sli4_hba
.extents_in_use
&&
6726 phba
->sli4_hba
.rpi_hdrs_in_use
) {
6727 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6728 "2999 Unsupported SLI4 Parameters "
6729 "Extents and RPI headers enabled.\n");
6730 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
&&
6731 if_fam
== LPFC_SLI_INTF_FAMILY_BE2
) {
6732 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6734 goto out_free_bsmbx
;
6737 if (!(if_type
== LPFC_SLI_INTF_IF_TYPE_0
&&
6738 if_fam
== LPFC_SLI_INTF_FAMILY_BE2
)) {
6739 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6741 goto out_free_bsmbx
;
6745 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6747 /* Verify OAS is supported */
6748 lpfc_sli4_oas_verify(phba
);
6750 /* Verify RAS support on adapter */
6751 lpfc_sli4_ras_init(phba
);
6753 /* Verify all the SLI4 queues */
6754 rc
= lpfc_sli4_queue_verify(phba
);
6756 goto out_free_bsmbx
;
6758 /* Create driver internal CQE event pool */
6759 rc
= lpfc_sli4_cq_event_pool_create(phba
);
6761 goto out_free_bsmbx
;
6763 /* Initialize sgl lists per host */
6764 lpfc_init_sgl_list(phba
);
6766 /* Allocate and initialize active sgl array */
6767 rc
= lpfc_init_active_sgl_array(phba
);
6769 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6770 "1430 Failed to initialize sgl list.\n");
6771 goto out_destroy_cq_event_pool
;
6773 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
6775 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6776 "1432 Failed to initialize rpi headers.\n");
6777 goto out_free_active_sgl
;
6780 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
6781 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
6782 phba
->fcf
.fcf_rr_bmask
= kcalloc(longs
, sizeof(unsigned long),
6784 if (!phba
->fcf
.fcf_rr_bmask
) {
6785 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6786 "2759 Failed allocate memory for FCF round "
6787 "robin failover bmask\n");
6789 goto out_remove_rpi_hdrs
;
6792 phba
->sli4_hba
.hba_eq_hdl
= kcalloc(phba
->cfg_irq_chann
,
6793 sizeof(struct lpfc_hba_eq_hdl
),
6795 if (!phba
->sli4_hba
.hba_eq_hdl
) {
6796 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6797 "2572 Failed allocate memory for "
6798 "fast-path per-EQ handle array\n");
6800 goto out_free_fcf_rr_bmask
;
6803 phba
->sli4_hba
.cpu_map
= kcalloc(phba
->sli4_hba
.num_possible_cpu
,
6804 sizeof(struct lpfc_vector_map_info
),
6806 if (!phba
->sli4_hba
.cpu_map
) {
6807 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6808 "3327 Failed allocate memory for msi-x "
6809 "interrupt vector mapping\n");
6811 goto out_free_hba_eq_hdl
;
6814 phba
->sli4_hba
.eq_info
= alloc_percpu(struct lpfc_eq_intr_info
);
6815 if (!phba
->sli4_hba
.eq_info
) {
6816 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6817 "3321 Failed allocation for per_cpu stats\n");
6819 goto out_free_hba_cpu_map
;
6822 * Enable sr-iov virtual functions if supported and configured
6823 * through the module parameter.
6825 if (phba
->cfg_sriov_nr_virtfn
> 0) {
6826 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
6827 phba
->cfg_sriov_nr_virtfn
);
6829 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6830 "3020 Requested number of SR-IOV "
6831 "virtual functions (%d) is not "
6833 phba
->cfg_sriov_nr_virtfn
);
6834 phba
->cfg_sriov_nr_virtfn
= 0;
6840 out_free_hba_cpu_map
:
6841 kfree(phba
->sli4_hba
.cpu_map
);
6842 out_free_hba_eq_hdl
:
6843 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6844 out_free_fcf_rr_bmask
:
6845 kfree(phba
->fcf
.fcf_rr_bmask
);
6846 out_remove_rpi_hdrs
:
6847 lpfc_sli4_remove_rpi_hdrs(phba
);
6848 out_free_active_sgl
:
6849 lpfc_free_active_sgl(phba
);
6850 out_destroy_cq_event_pool
:
6851 lpfc_sli4_cq_event_pool_destroy(phba
);
6853 lpfc_destroy_bootstrap_mbox(phba
);
6855 lpfc_mem_free(phba
);
6860 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
6861 * @phba: pointer to lpfc hba data structure.
6863 * This routine is invoked to unset the driver internal resources set up
6864 * specific for supporting the SLI-4 HBA device it attached to.
6867 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
6869 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
6871 free_percpu(phba
->sli4_hba
.eq_info
);
6873 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
6874 kfree(phba
->sli4_hba
.cpu_map
);
6875 phba
->sli4_hba
.num_possible_cpu
= 0;
6876 phba
->sli4_hba
.num_present_cpu
= 0;
6877 phba
->sli4_hba
.curr_disp_cpu
= 0;
6879 /* Free memory allocated for fast-path work queue handles */
6880 kfree(phba
->sli4_hba
.hba_eq_hdl
);
6882 /* Free the allocated rpi headers. */
6883 lpfc_sli4_remove_rpi_hdrs(phba
);
6884 lpfc_sli4_remove_rpis(phba
);
6886 /* Free eligible FCF index bmask */
6887 kfree(phba
->fcf
.fcf_rr_bmask
);
6889 /* Free the ELS sgl list */
6890 lpfc_free_active_sgl(phba
);
6891 lpfc_free_els_sgl_list(phba
);
6892 lpfc_free_nvmet_sgl_list(phba
);
6894 /* Free the completion queue EQ event pool */
6895 lpfc_sli4_cq_event_release_all(phba
);
6896 lpfc_sli4_cq_event_pool_destroy(phba
);
6898 /* Release resource identifiers. */
6899 lpfc_sli4_dealloc_resource_identifiers(phba
);
6901 /* Free the bsmbx region. */
6902 lpfc_destroy_bootstrap_mbox(phba
);
6904 /* Free the SLI Layer memory with SLI4 HBAs */
6905 lpfc_mem_free_all(phba
);
6907 /* Free the current connect table */
6908 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
6909 &phba
->fcf_conn_rec_list
, list
) {
6910 list_del_init(&conn_entry
->list
);
6918 * lpfc_init_api_table_setup - Set up init api function jump table
6919 * @phba: The hba struct for which this call is being executed.
6920 * @dev_grp: The HBA PCI-Device group number.
6922 * This routine sets up the device INIT interface API function jump table
6925 * Returns: 0 - success, -ENODEV - failure.
6928 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
6930 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
6931 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
6932 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
6934 case LPFC_PCI_DEV_LP
:
6935 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
6936 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
6937 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
6939 case LPFC_PCI_DEV_OC
:
6940 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
6941 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
6942 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
6945 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6946 "1431 Invalid HBA PCI-device group: 0x%x\n",
6955 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
6956 * @phba: pointer to lpfc hba data structure.
6958 * This routine is invoked to set up the driver internal resources after the
6959 * device specific resource setup to support the HBA device it attached to.
6963 * other values - error
6966 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
6970 /* Startup the kernel thread for this host adapter. */
6971 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
6972 "lpfc_worker_%d", phba
->brd_no
);
6973 if (IS_ERR(phba
->worker_thread
)) {
6974 error
= PTR_ERR(phba
->worker_thread
);
6978 /* The lpfc_wq workqueue for deferred irq use, is only used for SLI4 */
6979 if (phba
->sli_rev
== LPFC_SLI_REV4
)
6980 phba
->wq
= alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM
, 0);
6988 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
6989 * @phba: pointer to lpfc hba data structure.
6991 * This routine is invoked to unset the driver internal resources set up after
6992 * the device specific resource setup for supporting the HBA device it
6996 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
6999 flush_workqueue(phba
->wq
);
7000 destroy_workqueue(phba
->wq
);
7004 /* Stop kernel worker thread */
7005 if (phba
->worker_thread
)
7006 kthread_stop(phba
->worker_thread
);
7010 * lpfc_free_iocb_list - Free iocb list.
7011 * @phba: pointer to lpfc hba data structure.
7013 * This routine is invoked to free the driver's IOCB list and memory.
7016 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
7018 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
7020 spin_lock_irq(&phba
->hbalock
);
7021 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
7022 &phba
->lpfc_iocb_list
, list
) {
7023 list_del(&iocbq_entry
->list
);
7025 phba
->total_iocbq_bufs
--;
7027 spin_unlock_irq(&phba
->hbalock
);
7033 * lpfc_init_iocb_list - Allocate and initialize iocb list.
7034 * @phba: pointer to lpfc hba data structure.
7036 * This routine is invoked to allocate and initizlize the driver's IOCB
7037 * list and set up the IOCB tag array accordingly.
7041 * other values - error
7044 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
7046 struct lpfc_iocbq
*iocbq_entry
= NULL
;
7050 /* Initialize and populate the iocb list per host. */
7051 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
7052 for (i
= 0; i
< iocb_count
; i
++) {
7053 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
7054 if (iocbq_entry
== NULL
) {
7055 printk(KERN_ERR
"%s: only allocated %d iocbs of "
7056 "expected %d count. Unloading driver.\n",
7057 __func__
, i
, LPFC_IOCB_LIST_CNT
);
7058 goto out_free_iocbq
;
7061 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
7064 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
7065 "Unloading driver.\n", __func__
);
7066 goto out_free_iocbq
;
7068 iocbq_entry
->sli4_lxritag
= NO_XRI
;
7069 iocbq_entry
->sli4_xritag
= NO_XRI
;
7071 spin_lock_irq(&phba
->hbalock
);
7072 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
7073 phba
->total_iocbq_bufs
++;
7074 spin_unlock_irq(&phba
->hbalock
);
7080 lpfc_free_iocb_list(phba
);
7086 * lpfc_free_sgl_list - Free a given sgl list.
7087 * @phba: pointer to lpfc hba data structure.
7088 * @sglq_list: pointer to the head of sgl list.
7090 * This routine is invoked to free a give sgl list and memory.
7093 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
7095 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
7097 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
7098 list_del(&sglq_entry
->list
);
7099 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
7105 * lpfc_free_els_sgl_list - Free els sgl list.
7106 * @phba: pointer to lpfc hba data structure.
7108 * This routine is invoked to free the driver's els sgl list and memory.
7111 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
7113 LIST_HEAD(sglq_list
);
7115 /* Retrieve all els sgls from driver list */
7116 spin_lock_irq(&phba
->hbalock
);
7117 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
7118 list_splice_init(&phba
->sli4_hba
.lpfc_els_sgl_list
, &sglq_list
);
7119 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
7120 spin_unlock_irq(&phba
->hbalock
);
7122 /* Now free the sgl list */
7123 lpfc_free_sgl_list(phba
, &sglq_list
);
7127 * lpfc_free_nvmet_sgl_list - Free nvmet sgl list.
7128 * @phba: pointer to lpfc hba data structure.
7130 * This routine is invoked to free the driver's nvmet sgl list and memory.
7133 lpfc_free_nvmet_sgl_list(struct lpfc_hba
*phba
)
7135 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
7136 LIST_HEAD(sglq_list
);
7138 /* Retrieve all nvmet sgls from driver list */
7139 spin_lock_irq(&phba
->hbalock
);
7140 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
7141 list_splice_init(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
, &sglq_list
);
7142 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
7143 spin_unlock_irq(&phba
->hbalock
);
7145 /* Now free the sgl list */
7146 list_for_each_entry_safe(sglq_entry
, sglq_next
, &sglq_list
, list
) {
7147 list_del(&sglq_entry
->list
);
7148 lpfc_nvmet_buf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
7152 /* Update the nvmet_xri_cnt to reflect no current sgls.
7153 * The next initialization cycle sets the count and allocates
7154 * the sgls over again.
7156 phba
->sli4_hba
.nvmet_xri_cnt
= 0;
7160 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
7161 * @phba: pointer to lpfc hba data structure.
7163 * This routine is invoked to allocate the driver's active sgl memory.
7164 * This array will hold the sglq_entry's for active IOs.
7167 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
7170 size
= sizeof(struct lpfc_sglq
*);
7171 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
7173 phba
->sli4_hba
.lpfc_sglq_active_list
=
7174 kzalloc(size
, GFP_KERNEL
);
7175 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
7181 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
7182 * @phba: pointer to lpfc hba data structure.
7184 * This routine is invoked to walk through the array of active sglq entries
7185 * and free all of the resources.
7186 * This is just a place holder for now.
7189 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
7191 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
7195 * lpfc_init_sgl_list - Allocate and initialize sgl list.
7196 * @phba: pointer to lpfc hba data structure.
7198 * This routine is invoked to allocate and initizlize the driver's sgl
7199 * list and set up the sgl xritag tag array accordingly.
7203 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
7205 /* Initialize and populate the sglq list per host/VF. */
7206 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_els_sgl_list
);
7207 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
7208 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
7209 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
7211 /* els xri-sgl book keeping */
7212 phba
->sli4_hba
.els_xri_cnt
= 0;
7214 /* nvme xri-buffer book keeping */
7215 phba
->sli4_hba
.io_xri_cnt
= 0;
7219 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
7220 * @phba: pointer to lpfc hba data structure.
7222 * This routine is invoked to post rpi header templates to the
7223 * port for those SLI4 ports that do not support extents. This routine
7224 * posts a PAGE_SIZE memory region to the port to hold up to
7225 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
7226 * and should be called only when interrupts are disabled.
7230 * -ERROR - otherwise.
7233 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
7236 struct lpfc_rpi_hdr
*rpi_hdr
;
7238 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
7239 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
7241 if (phba
->sli4_hba
.extents_in_use
)
7244 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
7246 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7247 "0391 Error during rpi post operation\n");
7248 lpfc_sli4_remove_rpis(phba
);
7256 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
7257 * @phba: pointer to lpfc hba data structure.
7259 * This routine is invoked to allocate a single 4KB memory region to
7260 * support rpis and stores them in the phba. This single region
7261 * provides support for up to 64 rpis. The region is used globally
7265 * A valid rpi hdr on success.
7266 * A NULL pointer on any failure.
7268 struct lpfc_rpi_hdr
*
7269 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
7271 uint16_t rpi_limit
, curr_rpi_range
;
7272 struct lpfc_dmabuf
*dmabuf
;
7273 struct lpfc_rpi_hdr
*rpi_hdr
;
7276 * If the SLI4 port supports extents, posting the rpi header isn't
7277 * required. Set the expected maximum count and let the actual value
7278 * get set when extents are fully allocated.
7280 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
7282 if (phba
->sli4_hba
.extents_in_use
)
7285 /* The limit on the logical index is just the max_rpi count. */
7286 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
7288 spin_lock_irq(&phba
->hbalock
);
7290 * Establish the starting RPI in this header block. The starting
7291 * rpi is normalized to a zero base because the physical rpi is
7294 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
7295 spin_unlock_irq(&phba
->hbalock
);
7297 /* Reached full RPI range */
7298 if (curr_rpi_range
== rpi_limit
)
7302 * First allocate the protocol header region for the port. The
7303 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
7305 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
7309 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
7310 LPFC_HDR_TEMPLATE_SIZE
,
7311 &dmabuf
->phys
, GFP_KERNEL
);
7312 if (!dmabuf
->virt
) {
7314 goto err_free_dmabuf
;
7317 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
7319 goto err_free_coherent
;
7322 /* Save the rpi header data for cleanup later. */
7323 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
7325 goto err_free_coherent
;
7327 rpi_hdr
->dmabuf
= dmabuf
;
7328 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
7329 rpi_hdr
->page_count
= 1;
7330 spin_lock_irq(&phba
->hbalock
);
7332 /* The rpi_hdr stores the logical index only. */
7333 rpi_hdr
->start_rpi
= curr_rpi_range
;
7334 rpi_hdr
->next_rpi
= phba
->sli4_hba
.next_rpi
+ LPFC_RPI_HDR_COUNT
;
7335 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
7337 spin_unlock_irq(&phba
->hbalock
);
7341 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
7342 dmabuf
->virt
, dmabuf
->phys
);
7349 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
7350 * @phba: pointer to lpfc hba data structure.
7352 * This routine is invoked to remove all memory resources allocated
7353 * to support rpis for SLI4 ports not supporting extents. This routine
7354 * presumes the caller has released all rpis consumed by fabric or port
7355 * logins and is prepared to have the header pages removed.
7358 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
7360 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
7362 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
7365 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
7366 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
7367 list_del(&rpi_hdr
->list
);
7368 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
7369 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
7370 kfree(rpi_hdr
->dmabuf
);
7374 /* There are no rpis available to the port now. */
7375 phba
->sli4_hba
.next_rpi
= 0;
7379 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
7380 * @pdev: pointer to pci device data structure.
7382 * This routine is invoked to allocate the driver hba data structure for an
7383 * HBA device. If the allocation is successful, the phba reference to the
7384 * PCI device data structure is set.
7387 * pointer to @phba - successful
7390 static struct lpfc_hba
*
7391 lpfc_hba_alloc(struct pci_dev
*pdev
)
7393 struct lpfc_hba
*phba
;
7395 /* Allocate memory for HBA structure */
7396 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
7398 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
7402 /* Set reference to PCI device in HBA structure */
7403 phba
->pcidev
= pdev
;
7405 /* Assign an unused board number */
7406 phba
->brd_no
= lpfc_get_instance();
7407 if (phba
->brd_no
< 0) {
7411 phba
->eratt_poll_interval
= LPFC_ERATT_POLL_INTERVAL
;
7413 spin_lock_init(&phba
->ct_ev_lock
);
7414 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
7420 * lpfc_hba_free - Free driver hba data structure with a device.
7421 * @phba: pointer to lpfc hba data structure.
7423 * This routine is invoked to free the driver hba data structure with an
7427 lpfc_hba_free(struct lpfc_hba
*phba
)
7429 if (phba
->sli_rev
== LPFC_SLI_REV4
)
7430 kfree(phba
->sli4_hba
.hdwq
);
7432 /* Release the driver assigned board number */
7433 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
7435 /* Free memory allocated with sli3 rings */
7436 kfree(phba
->sli
.sli3_ring
);
7437 phba
->sli
.sli3_ring
= NULL
;
7444 * lpfc_create_shost - Create hba physical port with associated scsi host.
7445 * @phba: pointer to lpfc hba data structure.
7447 * This routine is invoked to create HBA physical port and associate a SCSI
7452 * other values - error
7455 lpfc_create_shost(struct lpfc_hba
*phba
)
7457 struct lpfc_vport
*vport
;
7458 struct Scsi_Host
*shost
;
7460 /* Initialize HBA FC structure */
7461 phba
->fc_edtov
= FF_DEF_EDTOV
;
7462 phba
->fc_ratov
= FF_DEF_RATOV
;
7463 phba
->fc_altov
= FF_DEF_ALTOV
;
7464 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
7466 atomic_set(&phba
->sdev_cnt
, 0);
7467 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
7471 shost
= lpfc_shost_from_vport(vport
);
7472 phba
->pport
= vport
;
7474 if (phba
->nvmet_support
) {
7475 /* Only 1 vport (pport) will support NVME target */
7476 if (phba
->txrdy_payload_pool
== NULL
) {
7477 phba
->txrdy_payload_pool
= dma_pool_create(
7478 "txrdy_pool", &phba
->pcidev
->dev
,
7479 TXRDY_PAYLOAD_LEN
, 16, 0);
7480 if (phba
->txrdy_payload_pool
) {
7481 phba
->targetport
= NULL
;
7482 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_NVME
;
7483 lpfc_printf_log(phba
, KERN_INFO
,
7484 LOG_INIT
| LOG_NVME_DISC
,
7485 "6076 NVME Target Found\n");
7490 lpfc_debugfs_initialize(vport
);
7491 /* Put reference to SCSI host to driver's device private data */
7492 pci_set_drvdata(phba
->pcidev
, shost
);
7495 * At this point we are fully registered with PSA. In addition,
7496 * any initial discovery should be completed.
7498 vport
->load_flag
|= FC_ALLOW_FDMI
;
7499 if (phba
->cfg_enable_SmartSAN
||
7500 (phba
->cfg_fdmi_on
== LPFC_FDMI_SUPPORT
)) {
7502 /* Setup appropriate attribute masks */
7503 vport
->fdmi_hba_mask
= LPFC_FDMI2_HBA_ATTR
;
7504 if (phba
->cfg_enable_SmartSAN
)
7505 vport
->fdmi_port_mask
= LPFC_FDMI2_SMART_ATTR
;
7507 vport
->fdmi_port_mask
= LPFC_FDMI2_PORT_ATTR
;
7513 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
7514 * @phba: pointer to lpfc hba data structure.
7516 * This routine is invoked to destroy HBA physical port and the associated
7520 lpfc_destroy_shost(struct lpfc_hba
*phba
)
7522 struct lpfc_vport
*vport
= phba
->pport
;
7524 /* Destroy physical port that associated with the SCSI host */
7525 destroy_port(vport
);
7531 * lpfc_setup_bg - Setup Block guard structures and debug areas.
7532 * @phba: pointer to lpfc hba data structure.
7533 * @shost: the shost to be used to detect Block guard settings.
7535 * This routine sets up the local Block guard protocol settings for @shost.
7536 * This routine also allocates memory for debugging bg buffers.
7539 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
7545 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
7546 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7547 "1478 Registering BlockGuard with the "
7550 old_mask
= phba
->cfg_prot_mask
;
7551 old_guard
= phba
->cfg_prot_guard
;
7553 /* Only allow supported values */
7554 phba
->cfg_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
7555 SHOST_DIX_TYPE0_PROTECTION
|
7556 SHOST_DIX_TYPE1_PROTECTION
);
7557 phba
->cfg_prot_guard
&= (SHOST_DIX_GUARD_IP
|
7558 SHOST_DIX_GUARD_CRC
);
7560 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
7561 if (phba
->cfg_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
7562 phba
->cfg_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
7564 if (phba
->cfg_prot_mask
&& phba
->cfg_prot_guard
) {
7565 if ((old_mask
!= phba
->cfg_prot_mask
) ||
7566 (old_guard
!= phba
->cfg_prot_guard
))
7567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7568 "1475 Registering BlockGuard with the "
7569 "SCSI layer: mask %d guard %d\n",
7570 phba
->cfg_prot_mask
,
7571 phba
->cfg_prot_guard
);
7573 scsi_host_set_prot(shost
, phba
->cfg_prot_mask
);
7574 scsi_host_set_guard(shost
, phba
->cfg_prot_guard
);
7576 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7577 "1479 Not Registering BlockGuard with the SCSI "
7578 "layer, Bad protection parameters: %d %d\n",
7579 old_mask
, old_guard
);
7582 if (!_dump_buf_data
) {
7584 spin_lock_init(&_dump_buf_lock
);
7586 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
7587 if (_dump_buf_data
) {
7588 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7589 "9043 BLKGRD: allocated %d pages for "
7590 "_dump_buf_data at 0x%p\n",
7591 (1 << pagecnt
), _dump_buf_data
);
7592 _dump_buf_data_order
= pagecnt
;
7593 memset(_dump_buf_data
, 0,
7594 ((1 << PAGE_SHIFT
) << pagecnt
));
7599 if (!_dump_buf_data_order
)
7600 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7601 "9044 BLKGRD: ERROR unable to allocate "
7602 "memory for hexdump\n");
7604 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7605 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
7606 "\n", _dump_buf_data
);
7607 if (!_dump_buf_dif
) {
7610 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
7611 if (_dump_buf_dif
) {
7612 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7613 "9046 BLKGRD: allocated %d pages for "
7614 "_dump_buf_dif at 0x%p\n",
7615 (1 << pagecnt
), _dump_buf_dif
);
7616 _dump_buf_dif_order
= pagecnt
;
7617 memset(_dump_buf_dif
, 0,
7618 ((1 << PAGE_SHIFT
) << pagecnt
));
7623 if (!_dump_buf_dif_order
)
7624 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7625 "9047 BLKGRD: ERROR unable to allocate "
7626 "memory for hexdump\n");
7628 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
7629 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
7634 * lpfc_post_init_setup - Perform necessary device post initialization setup.
7635 * @phba: pointer to lpfc hba data structure.
7637 * This routine is invoked to perform all the necessary post initialization
7638 * setup for the device.
7641 lpfc_post_init_setup(struct lpfc_hba
*phba
)
7643 struct Scsi_Host
*shost
;
7644 struct lpfc_adapter_event_header adapter_event
;
7646 /* Get the default values for Model Name and Description */
7647 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
7650 * hba setup may have changed the hba_queue_depth so we need to
7651 * adjust the value of can_queue.
7653 shost
= pci_get_drvdata(phba
->pcidev
);
7654 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
7655 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
7656 lpfc_setup_bg(phba
, shost
);
7658 lpfc_host_attrib_init(shost
);
7660 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
7661 spin_lock_irq(shost
->host_lock
);
7662 lpfc_poll_start_timer(phba
);
7663 spin_unlock_irq(shost
->host_lock
);
7666 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7667 "0428 Perform SCSI scan\n");
7668 /* Send board arrival event to upper layer */
7669 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
7670 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
7671 fc_host_post_vendor_event(shost
, fc_get_event_number(),
7672 sizeof(adapter_event
),
7673 (char *) &adapter_event
,
7679 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
7680 * @phba: pointer to lpfc hba data structure.
7682 * This routine is invoked to set up the PCI device memory space for device
7683 * with SLI-3 interface spec.
7687 * other values - error
7690 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
7692 struct pci_dev
*pdev
= phba
->pcidev
;
7693 unsigned long bar0map_len
, bar2map_len
;
7701 /* Set the device DMA mask size */
7702 error
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64));
7704 error
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(32));
7709 /* Get the bus address of Bar0 and Bar2 and the number of bytes
7710 * required by each mapping.
7712 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7713 bar0map_len
= pci_resource_len(pdev
, 0);
7715 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
7716 bar2map_len
= pci_resource_len(pdev
, 2);
7718 /* Map HBA SLIM to a kernel virtual address. */
7719 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
7720 if (!phba
->slim_memmap_p
) {
7721 dev_printk(KERN_ERR
, &pdev
->dev
,
7722 "ioremap failed for SLIM memory.\n");
7726 /* Map HBA Control Registers to a kernel virtual address. */
7727 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
7728 if (!phba
->ctrl_regs_memmap_p
) {
7729 dev_printk(KERN_ERR
, &pdev
->dev
,
7730 "ioremap failed for HBA control registers.\n");
7731 goto out_iounmap_slim
;
7734 /* Allocate memory for SLI-2 structures */
7735 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7736 &phba
->slim2p
.phys
, GFP_KERNEL
);
7737 if (!phba
->slim2p
.virt
)
7740 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
7741 phba
->mbox_ext
= (phba
->slim2p
.virt
+
7742 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
7743 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
7744 phba
->IOCBs
= (phba
->slim2p
.virt
+
7745 offsetof(struct lpfc_sli2_slim
, IOCBs
));
7747 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
7748 lpfc_sli_hbq_size(),
7749 &phba
->hbqslimp
.phys
,
7751 if (!phba
->hbqslimp
.virt
)
7754 hbq_count
= lpfc_sli_hbq_count();
7755 ptr
= phba
->hbqslimp
.virt
;
7756 for (i
= 0; i
< hbq_count
; ++i
) {
7757 phba
->hbqs
[i
].hbq_virt
= ptr
;
7758 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
7759 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
7760 sizeof(struct lpfc_hbq_entry
));
7762 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
7763 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
7765 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
7767 phba
->MBslimaddr
= phba
->slim_memmap_p
;
7768 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
7769 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
7770 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
7771 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
7776 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7777 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7779 iounmap(phba
->ctrl_regs_memmap_p
);
7781 iounmap(phba
->slim_memmap_p
);
7787 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
7788 * @phba: pointer to lpfc hba data structure.
7790 * This routine is invoked to unset the PCI device memory space for device
7791 * with SLI-3 interface spec.
7794 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
7796 struct pci_dev
*pdev
;
7798 /* Obtain PCI device reference */
7802 pdev
= phba
->pcidev
;
7804 /* Free coherent DMA memory allocated */
7805 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
7806 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
7807 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
7808 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
7810 /* I/O memory unmap */
7811 iounmap(phba
->ctrl_regs_memmap_p
);
7812 iounmap(phba
->slim_memmap_p
);
7818 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
7819 * @phba: pointer to lpfc hba data structure.
7821 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
7822 * done and check status.
7824 * Return 0 if successful, otherwise -ENODEV.
7827 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
7829 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
7830 struct lpfc_register reg_data
;
7831 int i
, port_error
= 0;
7834 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
7835 memset(®_data
, 0, sizeof(reg_data
));
7836 if (!phba
->sli4_hba
.PSMPHRregaddr
)
7839 /* Wait up to 30 seconds for the SLI Port POST done and ready */
7840 for (i
= 0; i
< 3000; i
++) {
7841 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
7842 &portsmphr_reg
.word0
) ||
7843 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
7844 /* Port has a fatal POST error, break out */
7845 port_error
= -ENODEV
;
7848 if (LPFC_POST_STAGE_PORT_READY
==
7849 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
7855 * If there was a port error during POST, then don't proceed with
7856 * other register reads as the data may not be valid. Just exit.
7859 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7860 "1408 Port Failed POST - portsmphr=0x%x, "
7861 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
7862 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
7863 portsmphr_reg
.word0
,
7864 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
7865 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
7866 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
7867 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
7868 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
7869 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
7870 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
7871 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
7873 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7874 "2534 Device Info: SLIFamily=0x%x, "
7875 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
7876 "SLIHint_2=0x%x, FT=0x%x\n",
7877 bf_get(lpfc_sli_intf_sli_family
,
7878 &phba
->sli4_hba
.sli_intf
),
7879 bf_get(lpfc_sli_intf_slirev
,
7880 &phba
->sli4_hba
.sli_intf
),
7881 bf_get(lpfc_sli_intf_if_type
,
7882 &phba
->sli4_hba
.sli_intf
),
7883 bf_get(lpfc_sli_intf_sli_hint1
,
7884 &phba
->sli4_hba
.sli_intf
),
7885 bf_get(lpfc_sli_intf_sli_hint2
,
7886 &phba
->sli4_hba
.sli_intf
),
7887 bf_get(lpfc_sli_intf_func_type
,
7888 &phba
->sli4_hba
.sli_intf
));
7890 * Check for other Port errors during the initialization
7891 * process. Fail the load if the port did not come up
7894 if_type
= bf_get(lpfc_sli_intf_if_type
,
7895 &phba
->sli4_hba
.sli_intf
);
7897 case LPFC_SLI_INTF_IF_TYPE_0
:
7898 phba
->sli4_hba
.ue_mask_lo
=
7899 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
7900 phba
->sli4_hba
.ue_mask_hi
=
7901 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
7903 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
7905 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
7906 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
7907 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
7908 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7909 "1422 Unrecoverable Error "
7910 "Detected during POST "
7911 "uerr_lo_reg=0x%x, "
7912 "uerr_hi_reg=0x%x, "
7913 "ue_mask_lo_reg=0x%x, "
7914 "ue_mask_hi_reg=0x%x\n",
7917 phba
->sli4_hba
.ue_mask_lo
,
7918 phba
->sli4_hba
.ue_mask_hi
);
7919 port_error
= -ENODEV
;
7922 case LPFC_SLI_INTF_IF_TYPE_2
:
7923 case LPFC_SLI_INTF_IF_TYPE_6
:
7924 /* Final checks. The port status should be clean. */
7925 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
7927 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
7928 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
7929 phba
->work_status
[0] =
7930 readl(phba
->sli4_hba
.u
.if_type2
.
7932 phba
->work_status
[1] =
7933 readl(phba
->sli4_hba
.u
.if_type2
.
7935 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7936 "2888 Unrecoverable port error "
7937 "following POST: port status reg "
7938 "0x%x, port_smphr reg 0x%x, "
7939 "error 1=0x%x, error 2=0x%x\n",
7941 portsmphr_reg
.word0
,
7942 phba
->work_status
[0],
7943 phba
->work_status
[1]);
7944 port_error
= -ENODEV
;
7947 case LPFC_SLI_INTF_IF_TYPE_1
:
7956 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
7957 * @phba: pointer to lpfc hba data structure.
7958 * @if_type: The SLI4 interface type getting configured.
7960 * This routine is invoked to set up SLI4 BAR0 PCI config space register
7964 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
7967 case LPFC_SLI_INTF_IF_TYPE_0
:
7968 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
7969 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
7970 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
7971 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
7972 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
7973 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
7974 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
7975 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
7976 phba
->sli4_hba
.SLIINTFregaddr
=
7977 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7979 case LPFC_SLI_INTF_IF_TYPE_2
:
7980 phba
->sli4_hba
.u
.if_type2
.EQDregaddr
=
7981 phba
->sli4_hba
.conf_regs_memmap_p
+
7982 LPFC_CTL_PORT_EQ_DELAY_OFFSET
;
7983 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
7984 phba
->sli4_hba
.conf_regs_memmap_p
+
7985 LPFC_CTL_PORT_ER1_OFFSET
;
7986 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
7987 phba
->sli4_hba
.conf_regs_memmap_p
+
7988 LPFC_CTL_PORT_ER2_OFFSET
;
7989 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
7990 phba
->sli4_hba
.conf_regs_memmap_p
+
7991 LPFC_CTL_PORT_CTL_OFFSET
;
7992 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
7993 phba
->sli4_hba
.conf_regs_memmap_p
+
7994 LPFC_CTL_PORT_STA_OFFSET
;
7995 phba
->sli4_hba
.SLIINTFregaddr
=
7996 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
7997 phba
->sli4_hba
.PSMPHRregaddr
=
7998 phba
->sli4_hba
.conf_regs_memmap_p
+
7999 LPFC_CTL_PORT_SEM_OFFSET
;
8000 phba
->sli4_hba
.RQDBregaddr
=
8001 phba
->sli4_hba
.conf_regs_memmap_p
+
8002 LPFC_ULP0_RQ_DOORBELL
;
8003 phba
->sli4_hba
.WQDBregaddr
=
8004 phba
->sli4_hba
.conf_regs_memmap_p
+
8005 LPFC_ULP0_WQ_DOORBELL
;
8006 phba
->sli4_hba
.CQDBregaddr
=
8007 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
8008 phba
->sli4_hba
.EQDBregaddr
= phba
->sli4_hba
.CQDBregaddr
;
8009 phba
->sli4_hba
.MQDBregaddr
=
8010 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
8011 phba
->sli4_hba
.BMBXregaddr
=
8012 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
8014 case LPFC_SLI_INTF_IF_TYPE_6
:
8015 phba
->sli4_hba
.u
.if_type2
.EQDregaddr
=
8016 phba
->sli4_hba
.conf_regs_memmap_p
+
8017 LPFC_CTL_PORT_EQ_DELAY_OFFSET
;
8018 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
8019 phba
->sli4_hba
.conf_regs_memmap_p
+
8020 LPFC_CTL_PORT_ER1_OFFSET
;
8021 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
8022 phba
->sli4_hba
.conf_regs_memmap_p
+
8023 LPFC_CTL_PORT_ER2_OFFSET
;
8024 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
8025 phba
->sli4_hba
.conf_regs_memmap_p
+
8026 LPFC_CTL_PORT_CTL_OFFSET
;
8027 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
8028 phba
->sli4_hba
.conf_regs_memmap_p
+
8029 LPFC_CTL_PORT_STA_OFFSET
;
8030 phba
->sli4_hba
.PSMPHRregaddr
=
8031 phba
->sli4_hba
.conf_regs_memmap_p
+
8032 LPFC_CTL_PORT_SEM_OFFSET
;
8033 phba
->sli4_hba
.BMBXregaddr
=
8034 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
8036 case LPFC_SLI_INTF_IF_TYPE_1
:
8038 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8039 "FATAL - unsupported SLI4 interface type - %d\n",
8046 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
8047 * @phba: pointer to lpfc hba data structure.
8049 * This routine is invoked to set up SLI4 BAR1 register memory map.
8052 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
8055 case LPFC_SLI_INTF_IF_TYPE_0
:
8056 phba
->sli4_hba
.PSMPHRregaddr
=
8057 phba
->sli4_hba
.ctrl_regs_memmap_p
+
8058 LPFC_SLIPORT_IF0_SMPHR
;
8059 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
8061 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
8063 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
8066 case LPFC_SLI_INTF_IF_TYPE_6
:
8067 phba
->sli4_hba
.RQDBregaddr
= phba
->sli4_hba
.drbl_regs_memmap_p
+
8068 LPFC_IF6_RQ_DOORBELL
;
8069 phba
->sli4_hba
.WQDBregaddr
= phba
->sli4_hba
.drbl_regs_memmap_p
+
8070 LPFC_IF6_WQ_DOORBELL
;
8071 phba
->sli4_hba
.CQDBregaddr
= phba
->sli4_hba
.drbl_regs_memmap_p
+
8072 LPFC_IF6_CQ_DOORBELL
;
8073 phba
->sli4_hba
.EQDBregaddr
= phba
->sli4_hba
.drbl_regs_memmap_p
+
8074 LPFC_IF6_EQ_DOORBELL
;
8075 phba
->sli4_hba
.MQDBregaddr
= phba
->sli4_hba
.drbl_regs_memmap_p
+
8076 LPFC_IF6_MQ_DOORBELL
;
8078 case LPFC_SLI_INTF_IF_TYPE_2
:
8079 case LPFC_SLI_INTF_IF_TYPE_1
:
8081 dev_err(&phba
->pcidev
->dev
,
8082 "FATAL - unsupported SLI4 interface type - %d\n",
8089 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
8090 * @phba: pointer to lpfc hba data structure.
8091 * @vf: virtual function number
8093 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
8094 * based on the given viftual function number, @vf.
8096 * Return 0 if successful, otherwise -ENODEV.
8099 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
8101 if (vf
> LPFC_VIR_FUNC_MAX
)
8104 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
8105 vf
* LPFC_VFR_PAGE_SIZE
+
8106 LPFC_ULP0_RQ_DOORBELL
);
8107 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
8108 vf
* LPFC_VFR_PAGE_SIZE
+
8109 LPFC_ULP0_WQ_DOORBELL
);
8110 phba
->sli4_hba
.CQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
8111 vf
* LPFC_VFR_PAGE_SIZE
+
8112 LPFC_EQCQ_DOORBELL
);
8113 phba
->sli4_hba
.EQDBregaddr
= phba
->sli4_hba
.CQDBregaddr
;
8114 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
8115 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
8116 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
8117 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
8122 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
8123 * @phba: pointer to lpfc hba data structure.
8125 * This routine is invoked to create the bootstrap mailbox
8126 * region consistent with the SLI-4 interface spec. This
8127 * routine allocates all memory necessary to communicate
8128 * mailbox commands to the port and sets up all alignment
8129 * needs. No locks are expected to be held when calling
8134 * -ENOMEM - could not allocated memory.
8137 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
8140 struct lpfc_dmabuf
*dmabuf
;
8141 struct dma_address
*dma_address
;
8145 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
8150 * The bootstrap mailbox region is comprised of 2 parts
8151 * plus an alignment restriction of 16 bytes.
8153 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
8154 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
8155 &dmabuf
->phys
, GFP_KERNEL
);
8156 if (!dmabuf
->virt
) {
8162 * Initialize the bootstrap mailbox pointers now so that the register
8163 * operations are simple later. The mailbox dma address is required
8164 * to be 16-byte aligned. Also align the virtual memory as each
8165 * maibox is copied into the bmbx mailbox region before issuing the
8166 * command to the port.
8168 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
8169 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
8171 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
8172 LPFC_ALIGN_16_BYTE
);
8173 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
8174 LPFC_ALIGN_16_BYTE
);
8177 * Set the high and low physical addresses now. The SLI4 alignment
8178 * requirement is 16 bytes and the mailbox is posted to the port
8179 * as two 30-bit addresses. The other data is a bit marking whether
8180 * the 30-bit address is the high or low address.
8181 * Upcast bmbx aphys to 64bits so shift instruction compiles
8182 * clean on 32 bit machines.
8184 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
8185 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
8186 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
8187 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
8188 LPFC_BMBX_BIT1_ADDR_HI
);
8190 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
8191 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
8192 LPFC_BMBX_BIT1_ADDR_LO
);
8197 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
8198 * @phba: pointer to lpfc hba data structure.
8200 * This routine is invoked to teardown the bootstrap mailbox
8201 * region and release all host resources. This routine requires
8202 * the caller to ensure all mailbox commands recovered, no
8203 * additional mailbox comands are sent, and interrupts are disabled
8204 * before calling this routine.
8208 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
8210 dma_free_coherent(&phba
->pcidev
->dev
,
8211 phba
->sli4_hba
.bmbx
.bmbx_size
,
8212 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
8213 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
8215 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
8216 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
8220 * lpfc_sli4_read_config - Get the config parameters.
8221 * @phba: pointer to lpfc hba data structure.
8223 * This routine is invoked to read the configuration parameters from the HBA.
8224 * The configuration parameters are used to set the base and maximum values
8225 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
8226 * allocation for the port.
8230 * -ENOMEM - No available memory
8231 * -EIO - The mailbox failed to complete successfully.
8234 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
8237 struct lpfc_mbx_read_config
*rd_config
;
8238 union lpfc_sli4_cfg_shdr
*shdr
;
8239 uint32_t shdr_status
, shdr_add_status
;
8240 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
8241 struct lpfc_rsrc_desc_fcfcoe
*desc
;
8243 uint16_t forced_link_speed
;
8244 uint32_t if_type
, qmin
;
8245 int length
, i
, rc
= 0, rc2
;
8247 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8249 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8250 "2011 Unable to allocate memory for issuing "
8251 "SLI_CONFIG_SPECIAL mailbox command\n");
8255 lpfc_read_config(phba
, pmb
);
8257 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8258 if (rc
!= MBX_SUCCESS
) {
8259 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8260 "2012 Mailbox failed , mbxCmd x%x "
8261 "READ_CONFIG, mbxStatus x%x\n",
8262 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
8263 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
8266 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
8267 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
8268 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
8269 phba
->sli4_hba
.lnk_info
.lnk_tp
=
8270 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
8271 phba
->sli4_hba
.lnk_info
.lnk_no
=
8272 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
8273 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
8274 "3081 lnk_type:%d, lnk_numb:%d\n",
8275 phba
->sli4_hba
.lnk_info
.lnk_tp
,
8276 phba
->sli4_hba
.lnk_info
.lnk_no
);
8278 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
8279 "3082 Mailbox (x%x) returned ldv:x0\n",
8280 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
8281 if (bf_get(lpfc_mbx_rd_conf_bbscn_def
, rd_config
)) {
8282 phba
->bbcredit_support
= 1;
8283 phba
->sli4_hba
.bbscn_params
.word0
= rd_config
->word8
;
8286 phba
->sli4_hba
.conf_trunk
=
8287 bf_get(lpfc_mbx_rd_conf_trunk
, rd_config
);
8288 phba
->sli4_hba
.extents_in_use
=
8289 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
8290 phba
->sli4_hba
.max_cfg_param
.max_xri
=
8291 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
8292 phba
->sli4_hba
.max_cfg_param
.xri_base
=
8293 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
8294 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
8295 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
8296 /* Limit the max we support */
8297 if (phba
->sli4_hba
.max_cfg_param
.max_vpi
> LPFC_MAX_VPORTS
)
8298 phba
->sli4_hba
.max_cfg_param
.max_vpi
= LPFC_MAX_VPORTS
;
8299 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
8300 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
8301 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
8302 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
8303 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
8304 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
8305 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
8306 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
8307 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
8308 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
8309 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
8310 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
8311 phba
->sli4_hba
.max_cfg_param
.max_eq
=
8312 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
8313 phba
->sli4_hba
.max_cfg_param
.max_rq
=
8314 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
8315 phba
->sli4_hba
.max_cfg_param
.max_wq
=
8316 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
8317 phba
->sli4_hba
.max_cfg_param
.max_cq
=
8318 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
8319 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
8320 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
8321 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
8322 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
8323 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
8324 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
8325 phba
->max_vports
= phba
->max_vpi
;
8326 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
8327 "2003 cfg params Extents? %d "
8332 "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n",
8333 phba
->sli4_hba
.extents_in_use
,
8334 phba
->sli4_hba
.max_cfg_param
.xri_base
,
8335 phba
->sli4_hba
.max_cfg_param
.max_xri
,
8336 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
8337 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
8338 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
8339 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
8340 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
8341 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
8342 phba
->sli4_hba
.max_cfg_param
.max_fcfi
,
8343 phba
->sli4_hba
.max_cfg_param
.max_eq
,
8344 phba
->sli4_hba
.max_cfg_param
.max_cq
,
8345 phba
->sli4_hba
.max_cfg_param
.max_wq
,
8346 phba
->sli4_hba
.max_cfg_param
.max_rq
);
8349 * Calculate queue resources based on how
8350 * many WQ/CQ/EQs are available.
8352 qmin
= phba
->sli4_hba
.max_cfg_param
.max_wq
;
8353 if (phba
->sli4_hba
.max_cfg_param
.max_cq
< qmin
)
8354 qmin
= phba
->sli4_hba
.max_cfg_param
.max_cq
;
8355 if (phba
->sli4_hba
.max_cfg_param
.max_eq
< qmin
)
8356 qmin
= phba
->sli4_hba
.max_cfg_param
.max_eq
;
8358 * Whats left after this can go toward NVME / FCP.
8359 * The minus 4 accounts for ELS, NVME LS, MBOX
8360 * plus one extra. When configured for
8361 * NVMET, FCP io channel WQs are not created.
8365 /* If NVME is configured, double the number of CQ/WQs needed */
8366 if ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) &&
8367 !phba
->nvmet_support
)
8370 /* Check to see if there is enough for NVME */
8371 if ((phba
->cfg_irq_chann
> qmin
) ||
8372 (phba
->cfg_hdw_queue
> qmin
)) {
8373 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8374 "2005 Reducing Queues: "
8375 "WQ %d CQ %d EQ %d: min %d: "
8377 phba
->sli4_hba
.max_cfg_param
.max_wq
,
8378 phba
->sli4_hba
.max_cfg_param
.max_cq
,
8379 phba
->sli4_hba
.max_cfg_param
.max_eq
,
8380 qmin
, phba
->cfg_irq_chann
,
8381 phba
->cfg_hdw_queue
);
8383 if (phba
->cfg_irq_chann
> qmin
)
8384 phba
->cfg_irq_chann
= qmin
;
8385 if (phba
->cfg_hdw_queue
> qmin
)
8386 phba
->cfg_hdw_queue
= qmin
;
8393 /* Update link speed if forced link speed is supported */
8394 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8395 if (if_type
>= LPFC_SLI_INTF_IF_TYPE_2
) {
8397 bf_get(lpfc_mbx_rd_conf_link_speed
, rd_config
);
8398 if (forced_link_speed
) {
8399 phba
->hba_flag
|= HBA_FORCED_LINK_SPEED
;
8401 switch (forced_link_speed
) {
8403 phba
->cfg_link_speed
=
8404 LPFC_USER_LINK_SPEED_1G
;
8407 phba
->cfg_link_speed
=
8408 LPFC_USER_LINK_SPEED_2G
;
8411 phba
->cfg_link_speed
=
8412 LPFC_USER_LINK_SPEED_4G
;
8415 phba
->cfg_link_speed
=
8416 LPFC_USER_LINK_SPEED_8G
;
8418 case LINK_SPEED_10G
:
8419 phba
->cfg_link_speed
=
8420 LPFC_USER_LINK_SPEED_10G
;
8422 case LINK_SPEED_16G
:
8423 phba
->cfg_link_speed
=
8424 LPFC_USER_LINK_SPEED_16G
;
8426 case LINK_SPEED_32G
:
8427 phba
->cfg_link_speed
=
8428 LPFC_USER_LINK_SPEED_32G
;
8430 case LINK_SPEED_64G
:
8431 phba
->cfg_link_speed
=
8432 LPFC_USER_LINK_SPEED_64G
;
8435 phba
->cfg_link_speed
=
8436 LPFC_USER_LINK_SPEED_AUTO
;
8439 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8440 "0047 Unrecognized link "
8443 phba
->cfg_link_speed
=
8444 LPFC_USER_LINK_SPEED_AUTO
;
8449 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
8450 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
8451 lpfc_sli4_get_els_iocb_cnt(phba
);
8452 if (phba
->cfg_hba_queue_depth
> length
) {
8453 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8454 "3361 HBA queue depth changed from %d to %d\n",
8455 phba
->cfg_hba_queue_depth
, length
);
8456 phba
->cfg_hba_queue_depth
= length
;
8459 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) <
8460 LPFC_SLI_INTF_IF_TYPE_2
)
8463 /* get the pf# and vf# for SLI4 if_type 2 port */
8464 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
8465 sizeof(struct lpfc_sli4_cfg_mhdr
));
8466 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8467 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
8468 length
, LPFC_SLI4_MBX_EMBED
);
8470 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8471 shdr
= (union lpfc_sli4_cfg_shdr
*)
8472 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
8473 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
8474 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
8475 if (rc2
|| shdr_status
|| shdr_add_status
) {
8476 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8477 "3026 Mailbox failed , mbxCmd x%x "
8478 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
8479 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
8480 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
8484 /* search for fc_fcoe resrouce descriptor */
8485 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
8487 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
8488 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
8489 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
8490 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
8491 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
8492 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
8495 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
8496 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
8497 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
8498 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
8499 phba
->sli4_hba
.iov
.pf_number
=
8500 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
8501 phba
->sli4_hba
.iov
.vf_number
=
8502 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
8507 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
8508 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
8509 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
8510 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
8511 phba
->sli4_hba
.iov
.vf_number
);
8513 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8514 "3028 GET_FUNCTION_CONFIG: failed to find "
8515 "Resource Descriptor:x%x\n",
8516 LPFC_RSRC_DESC_TYPE_FCFCOE
);
8519 mempool_free(pmb
, phba
->mbox_mem_pool
);
8524 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
8525 * @phba: pointer to lpfc hba data structure.
8527 * This routine is invoked to setup the port-side endian order when
8528 * the port if_type is 0. This routine has no function for other
8533 * -ENOMEM - No available memory
8534 * -EIO - The mailbox failed to complete successfully.
8537 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
8539 LPFC_MBOXQ_t
*mboxq
;
8540 uint32_t if_type
, rc
= 0;
8541 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
8542 HOST_ENDIAN_HIGH_WORD1
};
8544 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8546 case LPFC_SLI_INTF_IF_TYPE_0
:
8547 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
8550 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8551 "0492 Unable to allocate memory for "
8552 "issuing SLI_CONFIG_SPECIAL mailbox "
8558 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
8559 * two words to contain special data values and no other data.
8561 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
8562 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
8563 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8564 if (rc
!= MBX_SUCCESS
) {
8565 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8566 "0493 SLI_CONFIG_SPECIAL mailbox "
8567 "failed with status x%x\n",
8571 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8573 case LPFC_SLI_INTF_IF_TYPE_6
:
8574 case LPFC_SLI_INTF_IF_TYPE_2
:
8575 case LPFC_SLI_INTF_IF_TYPE_1
:
8583 * lpfc_sli4_queue_verify - Verify and update EQ counts
8584 * @phba: pointer to lpfc hba data structure.
8586 * This routine is invoked to check the user settable queue counts for EQs.
8587 * After this routine is called the counts will be set to valid values that
8588 * adhere to the constraints of the system's interrupt vectors and the port's
8593 * -ENOMEM - No available memory
8596 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
8599 * Sanity check for configured queue parameters against the run-time
8603 if (phba
->nvmet_support
) {
8604 if (phba
->cfg_irq_chann
< phba
->cfg_nvmet_mrq
)
8605 phba
->cfg_nvmet_mrq
= phba
->cfg_irq_chann
;
8607 if (phba
->cfg_nvmet_mrq
> LPFC_NVMET_MRQ_MAX
)
8608 phba
->cfg_nvmet_mrq
= LPFC_NVMET_MRQ_MAX
;
8610 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8611 "2574 IO channels: hdwQ %d IRQ %d MRQ: %d\n",
8612 phba
->cfg_hdw_queue
, phba
->cfg_irq_chann
,
8613 phba
->cfg_nvmet_mrq
);
8615 /* Get EQ depth from module parameter, fake the default for now */
8616 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
8617 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
8619 /* Get CQ depth from module parameter, fake the default for now */
8620 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
8621 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
8626 lpfc_alloc_nvme_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
8628 struct lpfc_queue
*qdesc
;
8630 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_EXPANDED_PAGE_SIZE
,
8631 phba
->sli4_hba
.cq_esize
,
8632 LPFC_CQE_EXP_COUNT
);
8634 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8635 "0508 Failed allocate fast-path NVME CQ (%d)\n",
8639 qdesc
->qe_valid
= 1;
8640 qdesc
->hdwq
= wqidx
;
8641 qdesc
->chann
= lpfc_find_cpu_handle(phba
, wqidx
, LPFC_FIND_BY_HDWQ
);
8642 phba
->sli4_hba
.hdwq
[wqidx
].nvme_cq
= qdesc
;
8644 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_EXPANDED_PAGE_SIZE
,
8645 LPFC_WQE128_SIZE
, LPFC_WQE_EXP_COUNT
);
8647 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8648 "0509 Failed allocate fast-path NVME WQ (%d)\n",
8652 qdesc
->hdwq
= wqidx
;
8653 qdesc
->chann
= wqidx
;
8654 phba
->sli4_hba
.hdwq
[wqidx
].nvme_wq
= qdesc
;
8655 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8660 lpfc_alloc_fcp_wq_cq(struct lpfc_hba
*phba
, int wqidx
)
8662 struct lpfc_queue
*qdesc
;
8665 /* Create Fast Path FCP CQs */
8666 if (phba
->enab_exp_wqcq_pages
)
8667 /* Increase the CQ size when WQEs contain an embedded cdb */
8668 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_EXPANDED_PAGE_SIZE
,
8669 phba
->sli4_hba
.cq_esize
,
8670 LPFC_CQE_EXP_COUNT
);
8673 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8674 phba
->sli4_hba
.cq_esize
,
8675 phba
->sli4_hba
.cq_ecount
);
8677 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8678 "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx
);
8681 qdesc
->qe_valid
= 1;
8682 qdesc
->hdwq
= wqidx
;
8683 qdesc
->chann
= lpfc_find_cpu_handle(phba
, wqidx
, LPFC_FIND_BY_HDWQ
);
8684 phba
->sli4_hba
.hdwq
[wqidx
].fcp_cq
= qdesc
;
8686 /* Create Fast Path FCP WQs */
8687 if (phba
->enab_exp_wqcq_pages
) {
8688 /* Increase the WQ size when WQEs contain an embedded cdb */
8689 wqesize
= (phba
->fcp_embed_io
) ?
8690 LPFC_WQE128_SIZE
: phba
->sli4_hba
.wq_esize
;
8691 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_EXPANDED_PAGE_SIZE
,
8693 LPFC_WQE_EXP_COUNT
);
8695 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8696 phba
->sli4_hba
.wq_esize
,
8697 phba
->sli4_hba
.wq_ecount
);
8700 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8701 "0503 Failed allocate fast-path FCP WQ (%d)\n",
8705 qdesc
->hdwq
= wqidx
;
8706 qdesc
->chann
= wqidx
;
8707 phba
->sli4_hba
.hdwq
[wqidx
].fcp_wq
= qdesc
;
8708 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8713 * lpfc_sli4_queue_create - Create all the SLI4 queues
8714 * @phba: pointer to lpfc hba data structure.
8716 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
8717 * operation. For each SLI4 queue type, the parameters such as queue entry
8718 * count (queue depth) shall be taken from the module parameter. For now,
8719 * we just use some constant number as place holder.
8723 * -ENOMEM - No availble memory
8724 * -EIO - The mailbox failed to complete successfully.
8727 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
8729 struct lpfc_queue
*qdesc
;
8731 struct lpfc_sli4_hdw_queue
*qp
;
8732 struct lpfc_eq_intr_info
*eqi
;
8735 * Create HBA Record arrays.
8736 * Both NVME and FCP will share that same vectors / EQs
8738 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
8739 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
8740 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
8741 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
8742 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
8743 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
8744 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
8745 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
8746 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
8747 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
8749 if (!phba
->sli4_hba
.hdwq
) {
8750 phba
->sli4_hba
.hdwq
= kcalloc(
8751 phba
->cfg_hdw_queue
, sizeof(struct lpfc_sli4_hdw_queue
),
8753 if (!phba
->sli4_hba
.hdwq
) {
8754 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8755 "6427 Failed allocate memory for "
8756 "fast-path Hardware Queue array\n");
8759 /* Prepare hardware queues to take IO buffers */
8760 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
8761 qp
= &phba
->sli4_hba
.hdwq
[idx
];
8762 spin_lock_init(&qp
->io_buf_list_get_lock
);
8763 spin_lock_init(&qp
->io_buf_list_put_lock
);
8764 INIT_LIST_HEAD(&qp
->lpfc_io_buf_list_get
);
8765 INIT_LIST_HEAD(&qp
->lpfc_io_buf_list_put
);
8766 qp
->get_io_bufs
= 0;
8767 qp
->put_io_bufs
= 0;
8768 qp
->total_io_bufs
= 0;
8769 spin_lock_init(&qp
->abts_scsi_buf_list_lock
);
8770 INIT_LIST_HEAD(&qp
->lpfc_abts_scsi_buf_list
);
8771 qp
->abts_scsi_io_bufs
= 0;
8772 spin_lock_init(&qp
->abts_nvme_buf_list_lock
);
8773 INIT_LIST_HEAD(&qp
->lpfc_abts_nvme_buf_list
);
8774 qp
->abts_nvme_io_bufs
= 0;
8778 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
8779 if (phba
->nvmet_support
) {
8780 phba
->sli4_hba
.nvmet_cqset
= kcalloc(
8781 phba
->cfg_nvmet_mrq
,
8782 sizeof(struct lpfc_queue
*),
8784 if (!phba
->sli4_hba
.nvmet_cqset
) {
8785 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8786 "3121 Fail allocate memory for "
8787 "fast-path CQ set array\n");
8790 phba
->sli4_hba
.nvmet_mrq_hdr
= kcalloc(
8791 phba
->cfg_nvmet_mrq
,
8792 sizeof(struct lpfc_queue
*),
8794 if (!phba
->sli4_hba
.nvmet_mrq_hdr
) {
8795 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8796 "3122 Fail allocate memory for "
8797 "fast-path RQ set hdr array\n");
8800 phba
->sli4_hba
.nvmet_mrq_data
= kcalloc(
8801 phba
->cfg_nvmet_mrq
,
8802 sizeof(struct lpfc_queue
*),
8804 if (!phba
->sli4_hba
.nvmet_mrq_data
) {
8805 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8806 "3124 Fail allocate memory for "
8807 "fast-path RQ set data array\n");
8813 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
8815 /* Create HBA Event Queues (EQs) */
8816 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
8818 * If there are more Hardware Queues than available
8819 * CQs, multiple Hardware Queues may share a common EQ.
8821 if (idx
>= phba
->cfg_irq_chann
) {
8822 /* Share an existing EQ */
8823 eqidx
= lpfc_find_eq_handle(phba
, idx
);
8824 phba
->sli4_hba
.hdwq
[idx
].hba_eq
=
8825 phba
->sli4_hba
.hdwq
[eqidx
].hba_eq
;
8829 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8830 phba
->sli4_hba
.eq_esize
,
8831 phba
->sli4_hba
.eq_ecount
);
8833 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8834 "0497 Failed allocate EQ (%d)\n", idx
);
8837 qdesc
->qe_valid
= 1;
8840 /* Save the CPU this EQ is affinitised to */
8841 eqidx
= lpfc_find_eq_handle(phba
, idx
);
8842 qdesc
->chann
= lpfc_find_cpu_handle(phba
, eqidx
,
8844 phba
->sli4_hba
.hdwq
[idx
].hba_eq
= qdesc
;
8845 qdesc
->last_cpu
= qdesc
->chann
;
8846 eqi
= per_cpu_ptr(phba
->sli4_hba
.eq_info
, qdesc
->last_cpu
);
8847 list_add(&qdesc
->cpu_list
, &eqi
->list
);
8851 /* Allocate SCSI SLI4 CQ/WQs */
8852 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
8853 if (lpfc_alloc_fcp_wq_cq(phba
, idx
))
8857 /* Allocate NVME SLI4 CQ/WQs */
8858 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
8859 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
8860 if (lpfc_alloc_nvme_wq_cq(phba
, idx
))
8864 if (phba
->nvmet_support
) {
8865 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
8866 qdesc
= lpfc_sli4_queue_alloc(
8868 LPFC_DEFAULT_PAGE_SIZE
,
8869 phba
->sli4_hba
.cq_esize
,
8870 phba
->sli4_hba
.cq_ecount
);
8873 phba
, KERN_ERR
, LOG_INIT
,
8874 "3142 Failed allocate NVME "
8875 "CQ Set (%d)\n", idx
);
8878 qdesc
->qe_valid
= 1;
8881 phba
->sli4_hba
.nvmet_cqset
[idx
] = qdesc
;
8887 * Create Slow Path Completion Queues (CQs)
8890 /* Create slow-path Mailbox Command Complete Queue */
8891 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8892 phba
->sli4_hba
.cq_esize
,
8893 phba
->sli4_hba
.cq_ecount
);
8895 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8896 "0500 Failed allocate slow-path mailbox CQ\n");
8899 qdesc
->qe_valid
= 1;
8900 phba
->sli4_hba
.mbx_cq
= qdesc
;
8902 /* Create slow-path ELS Complete Queue */
8903 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8904 phba
->sli4_hba
.cq_esize
,
8905 phba
->sli4_hba
.cq_ecount
);
8907 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8908 "0501 Failed allocate slow-path ELS CQ\n");
8911 qdesc
->qe_valid
= 1;
8913 phba
->sli4_hba
.els_cq
= qdesc
;
8917 * Create Slow Path Work Queues (WQs)
8920 /* Create Mailbox Command Queue */
8922 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8923 phba
->sli4_hba
.mq_esize
,
8924 phba
->sli4_hba
.mq_ecount
);
8926 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8927 "0505 Failed allocate slow-path MQ\n");
8931 phba
->sli4_hba
.mbx_wq
= qdesc
;
8934 * Create ELS Work Queues
8937 /* Create slow-path ELS Work Queue */
8938 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8939 phba
->sli4_hba
.wq_esize
,
8940 phba
->sli4_hba
.wq_ecount
);
8942 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8943 "0504 Failed allocate slow-path ELS WQ\n");
8947 phba
->sli4_hba
.els_wq
= qdesc
;
8948 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8950 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
8951 /* Create NVME LS Complete Queue */
8952 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8953 phba
->sli4_hba
.cq_esize
,
8954 phba
->sli4_hba
.cq_ecount
);
8956 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8957 "6079 Failed allocate NVME LS CQ\n");
8961 qdesc
->qe_valid
= 1;
8962 phba
->sli4_hba
.nvmels_cq
= qdesc
;
8964 /* Create NVME LS Work Queue */
8965 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8966 phba
->sli4_hba
.wq_esize
,
8967 phba
->sli4_hba
.wq_ecount
);
8969 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8970 "6080 Failed allocate NVME LS WQ\n");
8974 phba
->sli4_hba
.nvmels_wq
= qdesc
;
8975 list_add_tail(&qdesc
->wq_list
, &phba
->sli4_hba
.lpfc_wq_list
);
8979 * Create Receive Queue (RQ)
8982 /* Create Receive Queue for header */
8983 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8984 phba
->sli4_hba
.rq_esize
,
8985 phba
->sli4_hba
.rq_ecount
);
8987 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8988 "0506 Failed allocate receive HRQ\n");
8991 phba
->sli4_hba
.hdr_rq
= qdesc
;
8993 /* Create Receive Queue for data */
8994 qdesc
= lpfc_sli4_queue_alloc(phba
, LPFC_DEFAULT_PAGE_SIZE
,
8995 phba
->sli4_hba
.rq_esize
,
8996 phba
->sli4_hba
.rq_ecount
);
8998 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8999 "0507 Failed allocate receive DRQ\n");
9002 phba
->sli4_hba
.dat_rq
= qdesc
;
9004 if ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) &&
9005 phba
->nvmet_support
) {
9006 for (idx
= 0; idx
< phba
->cfg_nvmet_mrq
; idx
++) {
9007 /* Create NVMET Receive Queue for header */
9008 qdesc
= lpfc_sli4_queue_alloc(phba
,
9009 LPFC_DEFAULT_PAGE_SIZE
,
9010 phba
->sli4_hba
.rq_esize
,
9011 LPFC_NVMET_RQE_DEF_COUNT
);
9013 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9014 "3146 Failed allocate "
9019 phba
->sli4_hba
.nvmet_mrq_hdr
[idx
] = qdesc
;
9021 /* Only needed for header of RQ pair */
9022 qdesc
->rqbp
= kzalloc(sizeof(struct lpfc_rqb
),
9024 if (qdesc
->rqbp
== NULL
) {
9025 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9026 "6131 Failed allocate "
9031 /* Put list in known state in case driver load fails. */
9032 INIT_LIST_HEAD(&qdesc
->rqbp
->rqb_buffer_list
);
9034 /* Create NVMET Receive Queue for data */
9035 qdesc
= lpfc_sli4_queue_alloc(phba
,
9036 LPFC_DEFAULT_PAGE_SIZE
,
9037 phba
->sli4_hba
.rq_esize
,
9038 LPFC_NVMET_RQE_DEF_COUNT
);
9040 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9041 "3156 Failed allocate "
9046 phba
->sli4_hba
.nvmet_mrq_data
[idx
] = qdesc
;
9050 #if defined(BUILD_NVME)
9051 /* Clear NVME stats */
9052 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9053 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
9054 memset(&phba
->sli4_hba
.hdwq
[idx
].nvme_cstat
, 0,
9055 sizeof(phba
->sli4_hba
.hdwq
[idx
].nvme_cstat
));
9060 /* Clear SCSI stats */
9061 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
9062 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
9063 memset(&phba
->sli4_hba
.hdwq
[idx
].scsi_cstat
, 0,
9064 sizeof(phba
->sli4_hba
.hdwq
[idx
].scsi_cstat
));
9071 lpfc_sli4_queue_destroy(phba
);
9076 __lpfc_sli4_release_queue(struct lpfc_queue
**qp
)
9079 lpfc_sli4_queue_free(*qp
);
9085 lpfc_sli4_release_queues(struct lpfc_queue
***qs
, int max
)
9092 for (idx
= 0; idx
< max
; idx
++)
9093 __lpfc_sli4_release_queue(&(*qs
)[idx
]);
9100 lpfc_sli4_release_hdwq(struct lpfc_hba
*phba
)
9102 struct lpfc_sli4_hdw_queue
*hdwq
;
9105 hdwq
= phba
->sli4_hba
.hdwq
;
9106 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
9107 if (idx
< phba
->cfg_irq_chann
)
9108 lpfc_sli4_queue_free(hdwq
[idx
].hba_eq
);
9109 hdwq
[idx
].hba_eq
= NULL
;
9111 lpfc_sli4_queue_free(hdwq
[idx
].fcp_cq
);
9112 lpfc_sli4_queue_free(hdwq
[idx
].nvme_cq
);
9113 lpfc_sli4_queue_free(hdwq
[idx
].fcp_wq
);
9114 lpfc_sli4_queue_free(hdwq
[idx
].nvme_wq
);
9115 hdwq
[idx
].fcp_cq
= NULL
;
9116 hdwq
[idx
].nvme_cq
= NULL
;
9117 hdwq
[idx
].fcp_wq
= NULL
;
9118 hdwq
[idx
].nvme_wq
= NULL
;
9123 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
9124 * @phba: pointer to lpfc hba data structure.
9126 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
9131 * -ENOMEM - No available memory
9132 * -EIO - The mailbox failed to complete successfully.
9135 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
9137 /* Release HBA eqs */
9138 if (phba
->sli4_hba
.hdwq
)
9139 lpfc_sli4_release_hdwq(phba
);
9141 if (phba
->nvmet_support
) {
9142 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_cqset
,
9143 phba
->cfg_nvmet_mrq
);
9145 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_hdr
,
9146 phba
->cfg_nvmet_mrq
);
9147 lpfc_sli4_release_queues(&phba
->sli4_hba
.nvmet_mrq_data
,
9148 phba
->cfg_nvmet_mrq
);
9151 /* Release mailbox command work queue */
9152 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_wq
);
9154 /* Release ELS work queue */
9155 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_wq
);
9157 /* Release ELS work queue */
9158 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_wq
);
9160 /* Release unsolicited receive queue */
9161 __lpfc_sli4_release_queue(&phba
->sli4_hba
.hdr_rq
);
9162 __lpfc_sli4_release_queue(&phba
->sli4_hba
.dat_rq
);
9164 /* Release ELS complete queue */
9165 __lpfc_sli4_release_queue(&phba
->sli4_hba
.els_cq
);
9167 /* Release NVME LS complete queue */
9168 __lpfc_sli4_release_queue(&phba
->sli4_hba
.nvmels_cq
);
9170 /* Release mailbox command complete queue */
9171 __lpfc_sli4_release_queue(&phba
->sli4_hba
.mbx_cq
);
9173 /* Everything on this list has been freed */
9174 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_wq_list
);
9178 lpfc_free_rq_buffer(struct lpfc_hba
*phba
, struct lpfc_queue
*rq
)
9180 struct lpfc_rqb
*rqbp
;
9181 struct lpfc_dmabuf
*h_buf
;
9182 struct rqb_dmabuf
*rqb_buffer
;
9185 while (!list_empty(&rqbp
->rqb_buffer_list
)) {
9186 list_remove_head(&rqbp
->rqb_buffer_list
, h_buf
,
9187 struct lpfc_dmabuf
, list
);
9189 rqb_buffer
= container_of(h_buf
, struct rqb_dmabuf
, hbuf
);
9190 (rqbp
->rqb_free_buffer
)(phba
, rqb_buffer
);
9191 rqbp
->buffer_count
--;
9197 lpfc_create_wq_cq(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
,
9198 struct lpfc_queue
*cq
, struct lpfc_queue
*wq
, uint16_t *cq_map
,
9199 int qidx
, uint32_t qtype
)
9201 struct lpfc_sli_ring
*pring
;
9204 if (!eq
|| !cq
|| !wq
) {
9205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9206 "6085 Fast-path %s (%d) not allocated\n",
9207 ((eq
) ? ((cq
) ? "WQ" : "CQ") : "EQ"), qidx
);
9211 /* create the Cq first */
9212 rc
= lpfc_cq_create(phba
, cq
, eq
,
9213 (qtype
== LPFC_MBOX
) ? LPFC_MCQ
: LPFC_WCQ
, qtype
);
9215 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9216 "6086 Failed setup of CQ (%d), rc = 0x%x\n",
9217 qidx
, (uint32_t)rc
);
9221 if (qtype
!= LPFC_MBOX
) {
9222 /* Setup cq_map for fast lookup */
9224 *cq_map
= cq
->queue_id
;
9226 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9227 "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n",
9228 qidx
, cq
->queue_id
, qidx
, eq
->queue_id
);
9231 rc
= lpfc_wq_create(phba
, wq
, cq
, qtype
);
9233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9234 "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n",
9235 qidx
, (uint32_t)rc
);
9236 /* no need to tear down cq - caller will do so */
9240 /* Bind this CQ/WQ to the NVME ring */
9242 pring
->sli
.sli4
.wqp
= (void *)wq
;
9245 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9246 "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n",
9247 qidx
, wq
->queue_id
, wq
->assoc_qid
, qidx
, cq
->queue_id
);
9249 rc
= lpfc_mq_create(phba
, wq
, cq
, LPFC_MBOX
);
9251 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9252 "0539 Failed setup of slow-path MQ: "
9254 /* no need to tear down cq - caller will do so */
9258 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9259 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
9260 phba
->sli4_hba
.mbx_wq
->queue_id
,
9261 phba
->sli4_hba
.mbx_cq
->queue_id
);
9268 * lpfc_setup_cq_lookup - Setup the CQ lookup table
9269 * @phba: pointer to lpfc hba data structure.
9271 * This routine will populate the cq_lookup table by all
9272 * available CQ queue_id's.
9275 lpfc_setup_cq_lookup(struct lpfc_hba
*phba
)
9277 struct lpfc_queue
*eq
, *childq
;
9278 struct lpfc_sli4_hdw_queue
*qp
;
9281 qp
= phba
->sli4_hba
.hdwq
;
9282 memset(phba
->sli4_hba
.cq_lookup
, 0,
9283 (sizeof(struct lpfc_queue
*) * (phba
->sli4_hba
.cq_max
+ 1)));
9284 for (qidx
= 0; qidx
< phba
->cfg_irq_chann
; qidx
++) {
9285 eq
= qp
[qidx
].hba_eq
;
9288 list_for_each_entry(childq
, &eq
->child_list
, list
) {
9289 if (childq
->queue_id
> phba
->sli4_hba
.cq_max
)
9291 if ((childq
->subtype
== LPFC_FCP
) ||
9292 (childq
->subtype
== LPFC_NVME
))
9293 phba
->sli4_hba
.cq_lookup
[childq
->queue_id
] =
9300 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
9301 * @phba: pointer to lpfc hba data structure.
9303 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
9308 * -ENOMEM - No available memory
9309 * -EIO - The mailbox failed to complete successfully.
9312 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
9314 uint32_t shdr_status
, shdr_add_status
;
9315 union lpfc_sli4_cfg_shdr
*shdr
;
9316 struct lpfc_sli4_hdw_queue
*qp
;
9317 LPFC_MBOXQ_t
*mboxq
;
9319 uint32_t length
, usdelay
;
9322 /* Check for dual-ULP support */
9323 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
9325 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9326 "3249 Unable to allocate memory for "
9327 "QUERY_FW_CFG mailbox command\n");
9330 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
9331 sizeof(struct lpfc_sli4_cfg_mhdr
));
9332 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9333 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
9334 length
, LPFC_SLI4_MBX_EMBED
);
9336 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9338 shdr
= (union lpfc_sli4_cfg_shdr
*)
9339 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
9340 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
9341 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
9342 if (shdr_status
|| shdr_add_status
|| rc
) {
9343 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9344 "3250 QUERY_FW_CFG mailbox failed with status "
9345 "x%x add_status x%x, mbx status x%x\n",
9346 shdr_status
, shdr_add_status
, rc
);
9347 if (rc
!= MBX_TIMEOUT
)
9348 mempool_free(mboxq
, phba
->mbox_mem_pool
);
9353 phba
->sli4_hba
.fw_func_mode
=
9354 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
9355 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
9356 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
9357 phba
->sli4_hba
.physical_port
=
9358 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.physical_port
;
9359 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9360 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
9361 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
9362 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
9364 if (rc
!= MBX_TIMEOUT
)
9365 mempool_free(mboxq
, phba
->mbox_mem_pool
);
9368 * Set up HBA Event Queues (EQs)
9370 qp
= phba
->sli4_hba
.hdwq
;
9372 /* Set up HBA event queue */
9374 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9375 "3147 Fast-path EQs not allocated\n");
9379 for (qidx
= 0; qidx
< phba
->cfg_irq_chann
; qidx
++) {
9380 if (!qp
[qidx
].hba_eq
) {
9381 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9382 "0522 Fast-path EQ (%d) not "
9383 "allocated\n", qidx
);
9387 rc
= lpfc_eq_create(phba
, qp
[qidx
].hba_eq
,
9388 phba
->cfg_fcp_imax
);
9390 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9391 "0523 Failed setup of fast-path EQ "
9392 "(%d), rc = 0x%x\n", qidx
,
9396 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9397 "2584 HBA EQ setup: queue[%d]-id=%d\n", qidx
,
9398 qp
[qidx
].hba_eq
->queue_id
);
9401 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9402 for (qidx
= 0; qidx
< phba
->cfg_hdw_queue
; qidx
++) {
9403 rc
= lpfc_create_wq_cq(phba
,
9407 &phba
->sli4_hba
.hdwq
[qidx
].nvme_cq_map
,
9410 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9411 "6123 Failed to setup fastpath "
9412 "NVME WQ/CQ (%d), rc = 0x%x\n",
9413 qidx
, (uint32_t)rc
);
9419 for (qidx
= 0; qidx
< phba
->cfg_hdw_queue
; qidx
++) {
9420 rc
= lpfc_create_wq_cq(phba
,
9424 &phba
->sli4_hba
.hdwq
[qidx
].fcp_cq_map
,
9427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9428 "0535 Failed to setup fastpath "
9429 "FCP WQ/CQ (%d), rc = 0x%x\n",
9430 qidx
, (uint32_t)rc
);
9436 * Set up Slow Path Complete Queues (CQs)
9439 /* Set up slow-path MBOX CQ/MQ */
9441 if (!phba
->sli4_hba
.mbx_cq
|| !phba
->sli4_hba
.mbx_wq
) {
9442 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9443 "0528 %s not allocated\n",
9444 phba
->sli4_hba
.mbx_cq
?
9445 "Mailbox WQ" : "Mailbox CQ");
9450 rc
= lpfc_create_wq_cq(phba
, qp
[0].hba_eq
,
9451 phba
->sli4_hba
.mbx_cq
,
9452 phba
->sli4_hba
.mbx_wq
,
9453 NULL
, 0, LPFC_MBOX
);
9455 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9456 "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n",
9460 if (phba
->nvmet_support
) {
9461 if (!phba
->sli4_hba
.nvmet_cqset
) {
9462 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9463 "3165 Fast-path NVME CQ Set "
9464 "array not allocated\n");
9468 if (phba
->cfg_nvmet_mrq
> 1) {
9469 rc
= lpfc_cq_create_set(phba
,
9470 phba
->sli4_hba
.nvmet_cqset
,
9472 LPFC_WCQ
, LPFC_NVMET
);
9474 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9475 "3164 Failed setup of NVME CQ "
9481 /* Set up NVMET Receive Complete Queue */
9482 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.nvmet_cqset
[0],
9484 LPFC_WCQ
, LPFC_NVMET
);
9486 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9487 "6089 Failed setup NVMET CQ: "
9488 "rc = 0x%x\n", (uint32_t)rc
);
9491 phba
->sli4_hba
.nvmet_cqset
[0]->chann
= 0;
9493 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9494 "6090 NVMET CQ setup: cq-id=%d, "
9495 "parent eq-id=%d\n",
9496 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
,
9497 qp
[0].hba_eq
->queue_id
);
9501 /* Set up slow-path ELS WQ/CQ */
9502 if (!phba
->sli4_hba
.els_cq
|| !phba
->sli4_hba
.els_wq
) {
9503 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9504 "0530 ELS %s not allocated\n",
9505 phba
->sli4_hba
.els_cq
? "WQ" : "CQ");
9509 rc
= lpfc_create_wq_cq(phba
, qp
[0].hba_eq
,
9510 phba
->sli4_hba
.els_cq
,
9511 phba
->sli4_hba
.els_wq
,
9514 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9515 "0525 Failed setup of ELS WQ/CQ: rc = 0x%x\n",
9519 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9520 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
9521 phba
->sli4_hba
.els_wq
->queue_id
,
9522 phba
->sli4_hba
.els_cq
->queue_id
);
9524 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
9525 /* Set up NVME LS Complete Queue */
9526 if (!phba
->sli4_hba
.nvmels_cq
|| !phba
->sli4_hba
.nvmels_wq
) {
9527 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9528 "6091 LS %s not allocated\n",
9529 phba
->sli4_hba
.nvmels_cq
? "WQ" : "CQ");
9533 rc
= lpfc_create_wq_cq(phba
, qp
[0].hba_eq
,
9534 phba
->sli4_hba
.nvmels_cq
,
9535 phba
->sli4_hba
.nvmels_wq
,
9536 NULL
, 0, LPFC_NVME_LS
);
9538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9539 "0526 Failed setup of NVVME LS WQ/CQ: "
9540 "rc = 0x%x\n", (uint32_t)rc
);
9544 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9545 "6096 ELS WQ setup: wq-id=%d, "
9546 "parent cq-id=%d\n",
9547 phba
->sli4_hba
.nvmels_wq
->queue_id
,
9548 phba
->sli4_hba
.nvmels_cq
->queue_id
);
9552 * Create NVMET Receive Queue (RQ)
9554 if (phba
->nvmet_support
) {
9555 if ((!phba
->sli4_hba
.nvmet_cqset
) ||
9556 (!phba
->sli4_hba
.nvmet_mrq_hdr
) ||
9557 (!phba
->sli4_hba
.nvmet_mrq_data
)) {
9558 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9559 "6130 MRQ CQ Queues not "
9564 if (phba
->cfg_nvmet_mrq
> 1) {
9565 rc
= lpfc_mrq_create(phba
,
9566 phba
->sli4_hba
.nvmet_mrq_hdr
,
9567 phba
->sli4_hba
.nvmet_mrq_data
,
9568 phba
->sli4_hba
.nvmet_cqset
,
9571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9572 "6098 Failed setup of NVMET "
9579 rc
= lpfc_rq_create(phba
,
9580 phba
->sli4_hba
.nvmet_mrq_hdr
[0],
9581 phba
->sli4_hba
.nvmet_mrq_data
[0],
9582 phba
->sli4_hba
.nvmet_cqset
[0],
9585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9586 "6057 Failed setup of NVMET "
9587 "Receive Queue: rc = 0x%x\n",
9593 phba
, KERN_INFO
, LOG_INIT
,
9594 "6099 NVMET RQ setup: hdr-rq-id=%d, "
9595 "dat-rq-id=%d parent cq-id=%d\n",
9596 phba
->sli4_hba
.nvmet_mrq_hdr
[0]->queue_id
,
9597 phba
->sli4_hba
.nvmet_mrq_data
[0]->queue_id
,
9598 phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
);
9603 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
9604 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9605 "0540 Receive Queue not allocated\n");
9610 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
9611 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
9613 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9614 "0541 Failed setup of Receive Queue: "
9615 "rc = 0x%x\n", (uint32_t)rc
);
9619 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9620 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
9621 "parent cq-id=%d\n",
9622 phba
->sli4_hba
.hdr_rq
->queue_id
,
9623 phba
->sli4_hba
.dat_rq
->queue_id
,
9624 phba
->sli4_hba
.els_cq
->queue_id
);
9626 if (phba
->cfg_fcp_imax
)
9627 usdelay
= LPFC_SEC_TO_USEC
/ phba
->cfg_fcp_imax
;
9631 for (qidx
= 0; qidx
< phba
->cfg_irq_chann
;
9632 qidx
+= LPFC_MAX_EQ_DELAY_EQID_CNT
)
9633 lpfc_modify_hba_eq_delay(phba
, qidx
, LPFC_MAX_EQ_DELAY_EQID_CNT
,
9636 if (phba
->sli4_hba
.cq_max
) {
9637 kfree(phba
->sli4_hba
.cq_lookup
);
9638 phba
->sli4_hba
.cq_lookup
= kcalloc((phba
->sli4_hba
.cq_max
+ 1),
9639 sizeof(struct lpfc_queue
*), GFP_KERNEL
);
9640 if (!phba
->sli4_hba
.cq_lookup
) {
9641 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9642 "0549 Failed setup of CQ Lookup table: "
9643 "size 0x%x\n", phba
->sli4_hba
.cq_max
);
9647 lpfc_setup_cq_lookup(phba
);
9652 lpfc_sli4_queue_unset(phba
);
9658 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
9659 * @phba: pointer to lpfc hba data structure.
9661 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
9666 * -ENOMEM - No available memory
9667 * -EIO - The mailbox failed to complete successfully.
9670 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
9672 struct lpfc_sli4_hdw_queue
*qp
;
9675 /* Unset mailbox command work queue */
9676 if (phba
->sli4_hba
.mbx_wq
)
9677 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
9679 /* Unset NVME LS work queue */
9680 if (phba
->sli4_hba
.nvmels_wq
)
9681 lpfc_wq_destroy(phba
, phba
->sli4_hba
.nvmels_wq
);
9683 /* Unset ELS work queue */
9684 if (phba
->sli4_hba
.els_wq
)
9685 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
9687 /* Unset unsolicited receive queue */
9688 if (phba
->sli4_hba
.hdr_rq
)
9689 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
,
9690 phba
->sli4_hba
.dat_rq
);
9692 /* Unset mailbox command complete queue */
9693 if (phba
->sli4_hba
.mbx_cq
)
9694 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
9696 /* Unset ELS complete queue */
9697 if (phba
->sli4_hba
.els_cq
)
9698 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
9700 /* Unset NVME LS complete queue */
9701 if (phba
->sli4_hba
.nvmels_cq
)
9702 lpfc_cq_destroy(phba
, phba
->sli4_hba
.nvmels_cq
);
9704 if (phba
->nvmet_support
) {
9705 /* Unset NVMET MRQ queue */
9706 if (phba
->sli4_hba
.nvmet_mrq_hdr
) {
9707 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
9710 phba
->sli4_hba
.nvmet_mrq_hdr
[qidx
],
9711 phba
->sli4_hba
.nvmet_mrq_data
[qidx
]);
9714 /* Unset NVMET CQ Set complete queue */
9715 if (phba
->sli4_hba
.nvmet_cqset
) {
9716 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++)
9718 phba
, phba
->sli4_hba
.nvmet_cqset
[qidx
]);
9722 /* Unset fast-path SLI4 queues */
9723 if (phba
->sli4_hba
.hdwq
) {
9724 for (qidx
= 0; qidx
< phba
->cfg_hdw_queue
; qidx
++) {
9725 qp
= &phba
->sli4_hba
.hdwq
[qidx
];
9726 lpfc_wq_destroy(phba
, qp
->fcp_wq
);
9727 lpfc_wq_destroy(phba
, qp
->nvme_wq
);
9728 lpfc_cq_destroy(phba
, qp
->fcp_cq
);
9729 lpfc_cq_destroy(phba
, qp
->nvme_cq
);
9730 if (qidx
< phba
->cfg_irq_chann
)
9731 lpfc_eq_destroy(phba
, qp
->hba_eq
);
9735 kfree(phba
->sli4_hba
.cq_lookup
);
9736 phba
->sli4_hba
.cq_lookup
= NULL
;
9737 phba
->sli4_hba
.cq_max
= 0;
9741 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
9742 * @phba: pointer to lpfc hba data structure.
9744 * This routine is invoked to allocate and set up a pool of completion queue
9745 * events. The body of the completion queue event is a completion queue entry
9746 * CQE. For now, this pool is used for the interrupt service routine to queue
9747 * the following HBA completion queue events for the worker thread to process:
9748 * - Mailbox asynchronous events
9749 * - Receive queue completion unsolicited events
9750 * Later, this can be used for all the slow-path events.
9754 * -ENOMEM - No available memory
9757 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
9759 struct lpfc_cq_event
*cq_event
;
9762 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
9763 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
9765 goto out_pool_create_fail
;
9766 list_add_tail(&cq_event
->list
,
9767 &phba
->sli4_hba
.sp_cqe_event_pool
);
9771 out_pool_create_fail
:
9772 lpfc_sli4_cq_event_pool_destroy(phba
);
9777 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
9778 * @phba: pointer to lpfc hba data structure.
9780 * This routine is invoked to free the pool of completion queue events at
9781 * driver unload time. Note that, it is the responsibility of the driver
9782 * cleanup routine to free all the outstanding completion-queue events
9783 * allocated from this pool back into the pool before invoking this routine
9784 * to destroy the pool.
9787 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
9789 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
9791 list_for_each_entry_safe(cq_event
, next_cq_event
,
9792 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
9793 list_del(&cq_event
->list
);
9799 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9800 * @phba: pointer to lpfc hba data structure.
9802 * This routine is the lock free version of the API invoked to allocate a
9803 * completion-queue event from the free pool.
9805 * Return: Pointer to the newly allocated completion-queue event if successful
9808 struct lpfc_cq_event
*
9809 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
9811 struct lpfc_cq_event
*cq_event
= NULL
;
9813 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
9814 struct lpfc_cq_event
, list
);
9819 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
9820 * @phba: pointer to lpfc hba data structure.
9822 * This routine is the lock version of the API invoked to allocate a
9823 * completion-queue event from the free pool.
9825 * Return: Pointer to the newly allocated completion-queue event if successful
9828 struct lpfc_cq_event
*
9829 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
9831 struct lpfc_cq_event
*cq_event
;
9832 unsigned long iflags
;
9834 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9835 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
9836 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9841 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9842 * @phba: pointer to lpfc hba data structure.
9843 * @cq_event: pointer to the completion queue event to be freed.
9845 * This routine is the lock free version of the API invoked to release a
9846 * completion-queue event back into the free pool.
9849 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
9850 struct lpfc_cq_event
*cq_event
)
9852 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
9856 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
9857 * @phba: pointer to lpfc hba data structure.
9858 * @cq_event: pointer to the completion queue event to be freed.
9860 * This routine is the lock version of the API invoked to release a
9861 * completion-queue event back into the free pool.
9864 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
9865 struct lpfc_cq_event
*cq_event
)
9867 unsigned long iflags
;
9868 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9869 __lpfc_sli4_cq_event_release(phba
, cq_event
);
9870 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9874 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
9875 * @phba: pointer to lpfc hba data structure.
9877 * This routine is to free all the pending completion-queue events to the
9878 * back into the free pool for device reset.
9881 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
9884 struct lpfc_cq_event
*cqe
;
9885 unsigned long iflags
;
9887 /* Retrieve all the pending WCQEs from pending WCQE lists */
9888 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9889 /* Pending FCP XRI abort events */
9890 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
9892 /* Pending ELS XRI abort events */
9893 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
9895 /* Pending asynnc events */
9896 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
9898 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9900 while (!list_empty(&cqelist
)) {
9901 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
9902 lpfc_sli4_cq_event_release(phba
, cqe
);
9907 * lpfc_pci_function_reset - Reset pci function.
9908 * @phba: pointer to lpfc hba data structure.
9910 * This routine is invoked to request a PCI function reset. It will destroys
9911 * all resources assigned to the PCI function which originates this request.
9915 * -ENOMEM - No available memory
9916 * -EIO - The mailbox failed to complete successfully.
9919 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
9921 LPFC_MBOXQ_t
*mboxq
;
9922 uint32_t rc
= 0, if_type
;
9923 uint32_t shdr_status
, shdr_add_status
;
9925 uint32_t port_reset
= 0;
9926 union lpfc_sli4_cfg_shdr
*shdr
;
9927 struct lpfc_register reg_data
;
9930 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9932 case LPFC_SLI_INTF_IF_TYPE_0
:
9933 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
9936 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9937 "0494 Unable to allocate memory for "
9938 "issuing SLI_FUNCTION_RESET mailbox "
9943 /* Setup PCI function reset mailbox-ioctl command */
9944 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9945 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
9946 LPFC_SLI4_MBX_EMBED
);
9947 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9948 shdr
= (union lpfc_sli4_cfg_shdr
*)
9949 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
9950 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
9951 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
9953 if (rc
!= MBX_TIMEOUT
)
9954 mempool_free(mboxq
, phba
->mbox_mem_pool
);
9955 if (shdr_status
|| shdr_add_status
|| rc
) {
9956 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9957 "0495 SLI_FUNCTION_RESET mailbox "
9958 "failed with status x%x add_status x%x,"
9959 " mbx status x%x\n",
9960 shdr_status
, shdr_add_status
, rc
);
9964 case LPFC_SLI_INTF_IF_TYPE_2
:
9965 case LPFC_SLI_INTF_IF_TYPE_6
:
9968 * Poll the Port Status Register and wait for RDY for
9969 * up to 30 seconds. If the port doesn't respond, treat
9972 for (rdy_chk
= 0; rdy_chk
< 1500; rdy_chk
++) {
9973 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
9974 STATUSregaddr
, ®_data
.word0
)) {
9978 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
9983 if (!bf_get(lpfc_sliport_status_rdy
, ®_data
)) {
9984 phba
->work_status
[0] = readl(
9985 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
9986 phba
->work_status
[1] = readl(
9987 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
9988 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9989 "2890 Port not ready, port status reg "
9990 "0x%x error 1=0x%x, error 2=0x%x\n",
9992 phba
->work_status
[0],
9993 phba
->work_status
[1]);
10000 * Reset the port now
10002 reg_data
.word0
= 0;
10003 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
10004 LPFC_SLIPORT_LITTLE_ENDIAN
);
10005 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
10006 LPFC_SLIPORT_INIT_PORT
);
10007 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
10010 pci_read_config_word(phba
->pcidev
,
10011 PCI_DEVICE_ID
, &devid
);
10016 } else if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
10022 case LPFC_SLI_INTF_IF_TYPE_1
:
10028 /* Catch the not-ready port failure after a port reset. */
10030 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10031 "3317 HBA not functional: IP Reset Failed "
10032 "try: echo fw_reset > board_mode\n");
10040 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
10041 * @phba: pointer to lpfc hba data structure.
10043 * This routine is invoked to set up the PCI device memory space for device
10044 * with SLI-4 interface spec.
10048 * other values - error
10051 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
10053 struct pci_dev
*pdev
= phba
->pcidev
;
10054 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
10061 /* Set the device DMA mask size */
10062 error
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64));
10064 error
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(32));
10069 * The BARs and register set definitions and offset locations are
10070 * dependent on the if_type.
10072 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
10073 &phba
->sli4_hba
.sli_intf
.word0
)) {
10077 /* There is no SLI3 failback for SLI4 devices. */
10078 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
10079 LPFC_SLI_INTF_VALID
) {
10080 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10081 "2894 SLI_INTF reg contents invalid "
10082 "sli_intf reg 0x%x\n",
10083 phba
->sli4_hba
.sli_intf
.word0
);
10087 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
10089 * Get the bus address of SLI4 device Bar regions and the
10090 * number of bytes required by each mapping. The mapping of the
10091 * particular PCI BARs regions is dependent on the type of
10094 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
10095 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
10096 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
10099 * Map SLI4 PCI Config Space Register base to a kernel virtual
10102 phba
->sli4_hba
.conf_regs_memmap_p
=
10103 ioremap(phba
->pci_bar0_map
, bar0map_len
);
10104 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
10105 dev_printk(KERN_ERR
, &pdev
->dev
,
10106 "ioremap failed for SLI4 PCI config "
10110 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
10111 /* Set up BAR0 PCI config space register memory map */
10112 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
10114 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
10115 bar0map_len
= pci_resource_len(pdev
, 1);
10116 if (if_type
>= LPFC_SLI_INTF_IF_TYPE_2
) {
10117 dev_printk(KERN_ERR
, &pdev
->dev
,
10118 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
10121 phba
->sli4_hba
.conf_regs_memmap_p
=
10122 ioremap(phba
->pci_bar0_map
, bar0map_len
);
10123 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
10124 dev_printk(KERN_ERR
, &pdev
->dev
,
10125 "ioremap failed for SLI4 PCI config "
10129 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
10132 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
) {
10133 if (pci_resource_start(pdev
, PCI_64BIT_BAR2
)) {
10135 * Map SLI4 if type 0 HBA Control Register base to a
10136 * kernel virtual address and setup the registers.
10138 phba
->pci_bar1_map
= pci_resource_start(pdev
,
10140 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
10141 phba
->sli4_hba
.ctrl_regs_memmap_p
=
10142 ioremap(phba
->pci_bar1_map
,
10144 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
10145 dev_err(&pdev
->dev
,
10146 "ioremap failed for SLI4 HBA "
10147 "control registers.\n");
10149 goto out_iounmap_conf
;
10151 phba
->pci_bar2_memmap_p
=
10152 phba
->sli4_hba
.ctrl_regs_memmap_p
;
10153 lpfc_sli4_bar1_register_memmap(phba
, if_type
);
10156 goto out_iounmap_conf
;
10160 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_6
) &&
10161 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
10163 * Map SLI4 if type 6 HBA Doorbell Register base to a kernel
10164 * virtual address and setup the registers.
10166 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
10167 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
10168 phba
->sli4_hba
.drbl_regs_memmap_p
=
10169 ioremap(phba
->pci_bar1_map
, bar1map_len
);
10170 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
10171 dev_err(&pdev
->dev
,
10172 "ioremap failed for SLI4 HBA doorbell registers.\n");
10174 goto out_iounmap_conf
;
10176 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
10177 lpfc_sli4_bar1_register_memmap(phba
, if_type
);
10180 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
) {
10181 if (pci_resource_start(pdev
, PCI_64BIT_BAR4
)) {
10183 * Map SLI4 if type 0 HBA Doorbell Register base to
10184 * a kernel virtual address and setup the registers.
10186 phba
->pci_bar2_map
= pci_resource_start(pdev
,
10188 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
10189 phba
->sli4_hba
.drbl_regs_memmap_p
=
10190 ioremap(phba
->pci_bar2_map
,
10192 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
10193 dev_err(&pdev
->dev
,
10194 "ioremap failed for SLI4 HBA"
10195 " doorbell registers.\n");
10197 goto out_iounmap_ctrl
;
10199 phba
->pci_bar4_memmap_p
=
10200 phba
->sli4_hba
.drbl_regs_memmap_p
;
10201 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
10203 goto out_iounmap_all
;
10206 goto out_iounmap_all
;
10210 if (if_type
== LPFC_SLI_INTF_IF_TYPE_6
&&
10211 pci_resource_start(pdev
, PCI_64BIT_BAR4
)) {
10213 * Map SLI4 if type 6 HBA DPP Register base to a kernel
10214 * virtual address and setup the registers.
10216 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
10217 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
10218 phba
->sli4_hba
.dpp_regs_memmap_p
=
10219 ioremap(phba
->pci_bar2_map
, bar2map_len
);
10220 if (!phba
->sli4_hba
.dpp_regs_memmap_p
) {
10221 dev_err(&pdev
->dev
,
10222 "ioremap failed for SLI4 HBA dpp registers.\n");
10224 goto out_iounmap_ctrl
;
10226 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.dpp_regs_memmap_p
;
10229 /* Set up the EQ/CQ register handeling functions now */
10231 case LPFC_SLI_INTF_IF_TYPE_0
:
10232 case LPFC_SLI_INTF_IF_TYPE_2
:
10233 phba
->sli4_hba
.sli4_eq_clr_intr
= lpfc_sli4_eq_clr_intr
;
10234 phba
->sli4_hba
.sli4_write_eq_db
= lpfc_sli4_write_eq_db
;
10235 phba
->sli4_hba
.sli4_write_cq_db
= lpfc_sli4_write_cq_db
;
10237 case LPFC_SLI_INTF_IF_TYPE_6
:
10238 phba
->sli4_hba
.sli4_eq_clr_intr
= lpfc_sli4_if6_eq_clr_intr
;
10239 phba
->sli4_hba
.sli4_write_eq_db
= lpfc_sli4_if6_write_eq_db
;
10240 phba
->sli4_hba
.sli4_write_cq_db
= lpfc_sli4_if6_write_cq_db
;
10249 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
10251 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
10253 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
10259 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
10260 * @phba: pointer to lpfc hba data structure.
10262 * This routine is invoked to unset the PCI device memory space for device
10263 * with SLI-4 interface spec.
10266 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
10269 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
10272 case LPFC_SLI_INTF_IF_TYPE_0
:
10273 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
10274 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
10275 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
10277 case LPFC_SLI_INTF_IF_TYPE_2
:
10278 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
10280 case LPFC_SLI_INTF_IF_TYPE_6
:
10281 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
10282 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
10284 case LPFC_SLI_INTF_IF_TYPE_1
:
10286 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
10287 "FATAL - unsupported SLI4 interface type - %d\n",
10294 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
10295 * @phba: pointer to lpfc hba data structure.
10297 * This routine is invoked to enable the MSI-X interrupt vectors to device
10298 * with SLI-3 interface specs.
10302 * other values - error
10305 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
10310 /* Set up MSI-X multi-message vectors */
10311 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
10312 LPFC_MSIX_VECTORS
, LPFC_MSIX_VECTORS
, PCI_IRQ_MSIX
);
10314 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10315 "0420 PCI enable MSI-X failed (%d)\n", rc
);
10320 * Assign MSI-X vectors to interrupt handlers
10323 /* vector-0 is associated to slow-path handler */
10324 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 0),
10325 &lpfc_sli_sp_intr_handler
, 0,
10326 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
10328 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
10329 "0421 MSI-X slow-path request_irq failed "
10334 /* vector-1 is associated to fast-path handler */
10335 rc
= request_irq(pci_irq_vector(phba
->pcidev
, 1),
10336 &lpfc_sli_fp_intr_handler
, 0,
10337 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
10340 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
10341 "0429 MSI-X fast-path request_irq failed "
10347 * Configure HBA MSI-X attention conditions to messages
10349 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
10353 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10354 "0474 Unable to allocate memory for issuing "
10355 "MBOX_CONFIG_MSI command\n");
10358 rc
= lpfc_config_msi(phba
, pmb
);
10361 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
10362 if (rc
!= MBX_SUCCESS
) {
10363 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
10364 "0351 Config MSI mailbox command failed, "
10365 "mbxCmd x%x, mbxStatus x%x\n",
10366 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
10370 /* Free memory allocated for mailbox command */
10371 mempool_free(pmb
, phba
->mbox_mem_pool
);
10375 /* Free memory allocated for mailbox command */
10376 mempool_free(pmb
, phba
->mbox_mem_pool
);
10379 /* free the irq already requested */
10380 free_irq(pci_irq_vector(phba
->pcidev
, 1), phba
);
10383 /* free the irq already requested */
10384 free_irq(pci_irq_vector(phba
->pcidev
, 0), phba
);
10387 /* Unconfigure MSI-X capability structure */
10388 pci_free_irq_vectors(phba
->pcidev
);
10395 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
10396 * @phba: pointer to lpfc hba data structure.
10398 * This routine is invoked to enable the MSI interrupt mode to device with
10399 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
10400 * enable the MSI vector. The device driver is responsible for calling the
10401 * request_irq() to register MSI vector with a interrupt the handler, which
10402 * is done in this function.
10406 * other values - error
10409 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
10413 rc
= pci_enable_msi(phba
->pcidev
);
10415 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10416 "0462 PCI enable MSI mode success.\n");
10418 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10419 "0471 PCI enable MSI mode failed (%d)\n", rc
);
10423 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
10424 0, LPFC_DRIVER_NAME
, phba
);
10426 pci_disable_msi(phba
->pcidev
);
10427 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
10428 "0478 MSI request_irq failed (%d)\n", rc
);
10434 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
10435 * @phba: pointer to lpfc hba data structure.
10437 * This routine is invoked to enable device interrupt and associate driver's
10438 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
10439 * spec. Depends on the interrupt mode configured to the driver, the driver
10440 * will try to fallback from the configured interrupt mode to an interrupt
10441 * mode which is supported by the platform, kernel, and device in the order
10443 * MSI-X -> MSI -> IRQ.
10447 * other values - error
10450 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
10452 uint32_t intr_mode
= LPFC_INTR_ERROR
;
10455 if (cfg_mode
== 2) {
10456 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
10457 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
10459 /* Now, try to enable MSI-X interrupt mode */
10460 retval
= lpfc_sli_enable_msix(phba
);
10462 /* Indicate initialization to MSI-X mode */
10463 phba
->intr_type
= MSIX
;
10469 /* Fallback to MSI if MSI-X initialization failed */
10470 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
10471 retval
= lpfc_sli_enable_msi(phba
);
10473 /* Indicate initialization to MSI mode */
10474 phba
->intr_type
= MSI
;
10479 /* Fallback to INTx if both MSI-X/MSI initalization failed */
10480 if (phba
->intr_type
== NONE
) {
10481 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
10482 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
10484 /* Indicate initialization to INTx mode */
10485 phba
->intr_type
= INTx
;
10493 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
10494 * @phba: pointer to lpfc hba data structure.
10496 * This routine is invoked to disable device interrupt and disassociate the
10497 * driver's interrupt handler(s) from interrupt vector(s) to device with
10498 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
10499 * release the interrupt vector(s) for the message signaled interrupt.
10502 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
10506 if (phba
->intr_type
== MSIX
)
10507 nr_irqs
= LPFC_MSIX_VECTORS
;
10511 for (i
= 0; i
< nr_irqs
; i
++)
10512 free_irq(pci_irq_vector(phba
->pcidev
, i
), phba
);
10513 pci_free_irq_vectors(phba
->pcidev
);
10515 /* Reset interrupt management states */
10516 phba
->intr_type
= NONE
;
10517 phba
->sli
.slistat
.sli_intr
= 0;
10521 * lpfc_find_cpu_handle - Find the CPU that corresponds to the specified EQ
10522 * @phba: pointer to lpfc hba data structure.
10523 * @id: EQ vector index or Hardware Queue index
10524 * @match: LPFC_FIND_BY_EQ = match by EQ
10525 * LPFC_FIND_BY_HDWQ = match by Hardware Queue
10528 lpfc_find_cpu_handle(struct lpfc_hba
*phba
, uint16_t id
, int match
)
10530 struct lpfc_vector_map_info
*cpup
;
10533 /* Find the desired phys_id for the specified EQ */
10534 for_each_present_cpu(cpu
) {
10535 cpup
= &phba
->sli4_hba
.cpu_map
[cpu
];
10536 if ((match
== LPFC_FIND_BY_EQ
) &&
10537 (cpup
->irq
!= LPFC_VECTOR_MAP_EMPTY
) &&
10540 if ((match
== LPFC_FIND_BY_HDWQ
) && (cpup
->hdwq
== id
))
10547 * lpfc_find_eq_handle - Find the EQ that corresponds to the specified
10549 * @phba: pointer to lpfc hba data structure.
10550 * @hdwq: Hardware Queue index
10553 lpfc_find_eq_handle(struct lpfc_hba
*phba
, uint16_t hdwq
)
10555 struct lpfc_vector_map_info
*cpup
;
10558 /* Find the desired phys_id for the specified EQ */
10559 for_each_present_cpu(cpu
) {
10560 cpup
= &phba
->sli4_hba
.cpu_map
[cpu
];
10561 if (cpup
->hdwq
== hdwq
)
10569 * lpfc_find_hyper - Determine if the CPU map entry is hyper-threaded
10570 * @phba: pointer to lpfc hba data structure.
10571 * @cpu: CPU map index
10572 * @phys_id: CPU package physical id
10573 * @core_id: CPU core id
10576 lpfc_find_hyper(struct lpfc_hba
*phba
, int cpu
,
10577 uint16_t phys_id
, uint16_t core_id
)
10579 struct lpfc_vector_map_info
*cpup
;
10582 for_each_present_cpu(idx
) {
10583 cpup
= &phba
->sli4_hba
.cpu_map
[idx
];
10584 /* Does the cpup match the one we are looking for */
10585 if ((cpup
->phys_id
== phys_id
) &&
10586 (cpup
->core_id
== core_id
) &&
10595 * lpfc_cpu_affinity_check - Check vector CPU affinity mappings
10596 * @phba: pointer to lpfc hba data structure.
10597 * @vectors: number of msix vectors allocated.
10599 * The routine will figure out the CPU affinity assignment for every
10600 * MSI-X vector allocated for the HBA.
10601 * In addition, the CPU to IO channel mapping will be calculated
10602 * and the phba->sli4_hba.cpu_map array will reflect this.
10605 lpfc_cpu_affinity_check(struct lpfc_hba
*phba
, int vectors
)
10608 int max_phys_id
, min_phys_id
;
10609 int max_core_id
, min_core_id
;
10610 struct lpfc_vector_map_info
*cpup
;
10611 const struct cpumask
*maskp
;
10613 struct cpuinfo_x86
*cpuinfo
;
10616 /* Init cpu_map array */
10617 memset(phba
->sli4_hba
.cpu_map
, 0xff,
10618 (sizeof(struct lpfc_vector_map_info
) *
10619 phba
->sli4_hba
.num_possible_cpu
));
10622 min_phys_id
= 0xffff;
10624 min_core_id
= 0xffff;
10626 /* Update CPU map with physical id and core id of each CPU */
10627 for_each_present_cpu(cpu
) {
10628 cpup
= &phba
->sli4_hba
.cpu_map
[cpu
];
10630 cpuinfo
= &cpu_data(cpu
);
10631 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
10632 cpup
->core_id
= cpuinfo
->cpu_core_id
;
10633 cpup
->hyper
= lpfc_find_hyper(phba
, cpu
,
10634 cpup
->phys_id
, cpup
->core_id
);
10636 /* No distinction between CPUs for other platforms */
10638 cpup
->core_id
= cpu
;
10642 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10643 "3328 CPU physid %d coreid %d\n",
10644 cpup
->phys_id
, cpup
->core_id
);
10646 if (cpup
->phys_id
> max_phys_id
)
10647 max_phys_id
= cpup
->phys_id
;
10648 if (cpup
->phys_id
< min_phys_id
)
10649 min_phys_id
= cpup
->phys_id
;
10651 if (cpup
->core_id
> max_core_id
)
10652 max_core_id
= cpup
->core_id
;
10653 if (cpup
->core_id
< min_core_id
)
10654 min_core_id
= cpup
->core_id
;
10657 for_each_possible_cpu(i
) {
10658 struct lpfc_eq_intr_info
*eqi
=
10659 per_cpu_ptr(phba
->sli4_hba
.eq_info
, i
);
10661 INIT_LIST_HEAD(&eqi
->list
);
10665 for (idx
= 0; idx
< phba
->cfg_irq_chann
; idx
++) {
10666 maskp
= pci_irq_get_affinity(phba
->pcidev
, idx
);
10670 for_each_cpu_and(cpu
, maskp
, cpu_present_mask
) {
10671 cpup
= &phba
->sli4_hba
.cpu_map
[cpu
];
10674 cpup
->irq
= pci_irq_vector(phba
->pcidev
, idx
);
10676 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10677 "3336 Set Affinity: CPU %d "
10678 "hdwq %d irq %d\n",
10679 cpu
, cpup
->hdwq
, cpup
->irq
);
10686 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
10687 * @phba: pointer to lpfc hba data structure.
10689 * This routine is invoked to enable the MSI-X interrupt vectors to device
10690 * with SLI-4 interface spec.
10694 * other values - error
10697 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
10699 int vectors
, rc
, index
;
10702 /* Set up MSI-X multi-message vectors */
10703 vectors
= phba
->cfg_irq_chann
;
10705 rc
= pci_alloc_irq_vectors(phba
->pcidev
,
10707 vectors
, PCI_IRQ_MSIX
| PCI_IRQ_AFFINITY
);
10709 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10710 "0484 PCI enable MSI-X failed (%d)\n", rc
);
10715 /* Assign MSI-X vectors to interrupt handlers */
10716 for (index
= 0; index
< vectors
; index
++) {
10717 name
= phba
->sli4_hba
.hba_eq_hdl
[index
].handler_name
;
10718 memset(name
, 0, LPFC_SLI4_HANDLER_NAME_SZ
);
10719 snprintf(name
, LPFC_SLI4_HANDLER_NAME_SZ
,
10720 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
10722 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
10723 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
10724 rc
= request_irq(pci_irq_vector(phba
->pcidev
, index
),
10725 &lpfc_sli4_hba_intr_handler
, 0,
10727 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
10729 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
10730 "0486 MSI-X fast-path (%d) "
10731 "request_irq failed (%d)\n", index
, rc
);
10736 if (vectors
!= phba
->cfg_irq_chann
) {
10737 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10738 "3238 Reducing IO channels to match number of "
10739 "MSI-X vectors, requested %d got %d\n",
10740 phba
->cfg_irq_chann
, vectors
);
10741 if (phba
->cfg_irq_chann
> vectors
)
10742 phba
->cfg_irq_chann
= vectors
;
10743 if (phba
->cfg_nvmet_mrq
> vectors
)
10744 phba
->cfg_nvmet_mrq
= vectors
;
10750 /* free the irq already requested */
10751 for (--index
; index
>= 0; index
--)
10752 free_irq(pci_irq_vector(phba
->pcidev
, index
),
10753 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
10755 /* Unconfigure MSI-X capability structure */
10756 pci_free_irq_vectors(phba
->pcidev
);
10763 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
10764 * @phba: pointer to lpfc hba data structure.
10766 * This routine is invoked to enable the MSI interrupt mode to device with
10767 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
10768 * to enable the MSI vector. The device driver is responsible for calling
10769 * the request_irq() to register MSI vector with a interrupt the handler,
10770 * which is done in this function.
10774 * other values - error
10777 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
10781 rc
= pci_enable_msi(phba
->pcidev
);
10783 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10784 "0487 PCI enable MSI mode success.\n");
10786 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10787 "0488 PCI enable MSI mode failed (%d)\n", rc
);
10791 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
10792 0, LPFC_DRIVER_NAME
, phba
);
10794 pci_disable_msi(phba
->pcidev
);
10795 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
10796 "0490 MSI request_irq failed (%d)\n", rc
);
10800 for (index
= 0; index
< phba
->cfg_irq_chann
; index
++) {
10801 phba
->sli4_hba
.hba_eq_hdl
[index
].idx
= index
;
10802 phba
->sli4_hba
.hba_eq_hdl
[index
].phba
= phba
;
10809 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
10810 * @phba: pointer to lpfc hba data structure.
10812 * This routine is invoked to enable device interrupt and associate driver's
10813 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
10814 * interface spec. Depends on the interrupt mode configured to the driver,
10815 * the driver will try to fallback from the configured interrupt mode to an
10816 * interrupt mode which is supported by the platform, kernel, and device in
10818 * MSI-X -> MSI -> IRQ.
10822 * other values - error
10825 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
10827 uint32_t intr_mode
= LPFC_INTR_ERROR
;
10830 if (cfg_mode
== 2) {
10831 /* Preparation before conf_msi mbox cmd */
10834 /* Now, try to enable MSI-X interrupt mode */
10835 retval
= lpfc_sli4_enable_msix(phba
);
10837 /* Indicate initialization to MSI-X mode */
10838 phba
->intr_type
= MSIX
;
10844 /* Fallback to MSI if MSI-X initialization failed */
10845 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
10846 retval
= lpfc_sli4_enable_msi(phba
);
10848 /* Indicate initialization to MSI mode */
10849 phba
->intr_type
= MSI
;
10854 /* Fallback to INTx if both MSI-X/MSI initalization failed */
10855 if (phba
->intr_type
== NONE
) {
10856 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
10857 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
10859 struct lpfc_hba_eq_hdl
*eqhdl
;
10861 /* Indicate initialization to INTx mode */
10862 phba
->intr_type
= INTx
;
10865 for (idx
= 0; idx
< phba
->cfg_irq_chann
; idx
++) {
10866 eqhdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
10868 eqhdl
->phba
= phba
;
10876 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
10877 * @phba: pointer to lpfc hba data structure.
10879 * This routine is invoked to disable device interrupt and disassociate
10880 * the driver's interrupt handler(s) from interrupt vector(s) to device
10881 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
10882 * will release the interrupt vector(s) for the message signaled interrupt.
10885 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
10887 /* Disable the currently initialized interrupt mode */
10888 if (phba
->intr_type
== MSIX
) {
10891 /* Free up MSI-X multi-message vectors */
10892 for (index
= 0; index
< phba
->cfg_irq_chann
; index
++) {
10893 irq_set_affinity_hint(
10894 pci_irq_vector(phba
->pcidev
, index
),
10896 free_irq(pci_irq_vector(phba
->pcidev
, index
),
10897 &phba
->sli4_hba
.hba_eq_hdl
[index
]);
10900 free_irq(phba
->pcidev
->irq
, phba
);
10903 pci_free_irq_vectors(phba
->pcidev
);
10905 /* Reset interrupt management states */
10906 phba
->intr_type
= NONE
;
10907 phba
->sli
.slistat
.sli_intr
= 0;
10911 * lpfc_unset_hba - Unset SLI3 hba device initialization
10912 * @phba: pointer to lpfc hba data structure.
10914 * This routine is invoked to unset the HBA device initialization steps to
10915 * a device with SLI-3 interface spec.
10918 lpfc_unset_hba(struct lpfc_hba
*phba
)
10920 struct lpfc_vport
*vport
= phba
->pport
;
10921 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
10923 spin_lock_irq(shost
->host_lock
);
10924 vport
->load_flag
|= FC_UNLOADING
;
10925 spin_unlock_irq(shost
->host_lock
);
10927 kfree(phba
->vpi_bmask
);
10928 kfree(phba
->vpi_ids
);
10930 lpfc_stop_hba_timers(phba
);
10932 phba
->pport
->work_port_events
= 0;
10934 lpfc_sli_hba_down(phba
);
10936 lpfc_sli_brdrestart(phba
);
10938 lpfc_sli_disable_intr(phba
);
10944 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
10945 * @phba: Pointer to HBA context object.
10947 * This function is called in the SLI4 code path to wait for completion
10948 * of device's XRIs exchange busy. It will check the XRI exchange busy
10949 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
10950 * that, it will check the XRI exchange busy on outstanding FCP and ELS
10951 * I/Os every 30 seconds, log error message, and wait forever. Only when
10952 * all XRI exchange busy complete, the driver unload shall proceed with
10953 * invoking the function reset ioctl mailbox command to the CNA and the
10954 * the rest of the driver unload resource release.
10957 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
10959 struct lpfc_sli4_hdw_queue
*qp
;
10960 int idx
, ccnt
, fcnt
;
10962 int io_xri_cmpl
= 1;
10963 int nvmet_xri_cmpl
= 1;
10964 int fcp_xri_cmpl
= 1;
10965 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
10967 /* Driver just aborted IOs during the hba_unset process. Pause
10968 * here to give the HBA time to complete the IO and get entries
10969 * into the abts lists.
10971 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
* 5);
10973 /* Wait for NVME pending IO to flush back to transport. */
10974 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
10975 lpfc_nvme_wait_for_io_drain(phba
);
10979 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
10980 qp
= &phba
->sli4_hba
.hdwq
[idx
];
10981 fcp_xri_cmpl
= list_empty(
10982 &qp
->lpfc_abts_scsi_buf_list
);
10983 if (!fcp_xri_cmpl
) /* if list is NOT empty */
10985 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
10986 io_xri_cmpl
= list_empty(
10987 &qp
->lpfc_abts_nvme_buf_list
);
10988 if (!io_xri_cmpl
) /* if list is NOT empty */
10997 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
10999 list_empty(&phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
11002 while (!fcp_xri_cmpl
|| !els_xri_cmpl
|| !io_xri_cmpl
||
11004 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
11005 if (!nvmet_xri_cmpl
)
11006 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11007 "6424 NVMET XRI exchange busy "
11008 "wait time: %d seconds.\n",
11011 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11012 "6100 NVME XRI exchange busy "
11013 "wait time: %d seconds.\n",
11016 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11017 "2877 FCP XRI exchange busy "
11018 "wait time: %d seconds.\n",
11021 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11022 "2878 ELS XRI exchange busy "
11023 "wait time: %d seconds.\n",
11025 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
11026 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
11028 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
11029 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
11034 for (idx
= 0; idx
< phba
->cfg_hdw_queue
; idx
++) {
11035 qp
= &phba
->sli4_hba
.hdwq
[idx
];
11036 fcp_xri_cmpl
= list_empty(
11037 &qp
->lpfc_abts_scsi_buf_list
);
11038 if (!fcp_xri_cmpl
) /* if list is NOT empty */
11040 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
11041 io_xri_cmpl
= list_empty(
11042 &qp
->lpfc_abts_nvme_buf_list
);
11043 if (!io_xri_cmpl
) /* if list is NOT empty */
11052 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
11053 nvmet_xri_cmpl
= list_empty(
11054 &phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
);
11057 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
11063 * lpfc_sli4_hba_unset - Unset the fcoe hba
11064 * @phba: Pointer to HBA context object.
11066 * This function is called in the SLI4 code path to reset the HBA's FCoE
11067 * function. The caller is not required to hold any lock. This routine
11068 * issues PCI function reset mailbox command to reset the FCoE function.
11069 * At the end of the function, it calls lpfc_hba_down_post function to
11070 * free any pending commands.
11073 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
11076 LPFC_MBOXQ_t
*mboxq
;
11077 struct pci_dev
*pdev
= phba
->pcidev
;
11079 lpfc_stop_hba_timers(phba
);
11081 phba
->sli4_hba
.intr_enable
= 0;
11084 * Gracefully wait out the potential current outstanding asynchronous
11088 /* First, block any pending async mailbox command from posted */
11089 spin_lock_irq(&phba
->hbalock
);
11090 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
11091 spin_unlock_irq(&phba
->hbalock
);
11092 /* Now, trying to wait it out if we can */
11093 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
11095 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
11098 /* Forcefully release the outstanding mailbox command if timed out */
11099 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
11100 spin_lock_irq(&phba
->hbalock
);
11101 mboxq
= phba
->sli
.mbox_active
;
11102 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
11103 __lpfc_mbox_cmpl_put(phba
, mboxq
);
11104 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
11105 phba
->sli
.mbox_active
= NULL
;
11106 spin_unlock_irq(&phba
->hbalock
);
11109 /* Abort all iocbs associated with the hba */
11110 lpfc_sli_hba_iocb_abort(phba
);
11112 /* Wait for completion of device XRI exchange busy */
11113 lpfc_sli4_xri_exchange_busy_wait(phba
);
11115 /* Disable PCI subsystem interrupt */
11116 lpfc_sli4_disable_intr(phba
);
11118 /* Disable SR-IOV if enabled */
11119 if (phba
->cfg_sriov_nr_virtfn
)
11120 pci_disable_sriov(pdev
);
11122 /* Stop kthread signal shall trigger work_done one more time */
11123 kthread_stop(phba
->worker_thread
);
11125 /* Disable FW logging to host memory */
11126 lpfc_ras_stop_fwlog(phba
);
11128 /* Unset the queues shared with the hardware then release all
11129 * allocated resources.
11131 lpfc_sli4_queue_unset(phba
);
11132 lpfc_sli4_queue_destroy(phba
);
11134 /* Reset SLI4 HBA FCoE function */
11135 lpfc_pci_function_reset(phba
);
11137 /* Free RAS DMA memory */
11138 if (phba
->ras_fwlog
.ras_enabled
)
11139 lpfc_sli4_ras_dma_free(phba
);
11141 /* Stop the SLI4 device port */
11143 phba
->pport
->work_port_events
= 0;
11147 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
11148 * @phba: Pointer to HBA context object.
11149 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
11151 * This function is called in the SLI4 code path to read the port's
11152 * sli4 capabilities.
11154 * This function may be be called from any context that can block-wait
11155 * for the completion. The expectation is that this routine is called
11156 * typically from probe_one or from the online routine.
11159 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
11162 struct lpfc_mqe
*mqe
;
11163 struct lpfc_pc_sli4_params
*sli4_params
;
11167 mqe
= &mboxq
->u
.mqe
;
11169 /* Read the port's SLI4 Parameters port capabilities */
11170 lpfc_pc_sli4_params(mboxq
);
11171 if (!phba
->sli4_hba
.intr_enable
)
11172 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
11174 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
11175 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
11181 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
11182 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
11183 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
11184 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
11185 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
11186 &mqe
->un
.sli4_params
);
11187 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
11188 &mqe
->un
.sli4_params
);
11189 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
11190 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
11191 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
11192 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
11193 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
11194 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
11195 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
11196 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
11197 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
11198 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
11199 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
11200 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
11201 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
11202 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
11203 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
11204 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
11205 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
11206 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
11207 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
11208 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
11209 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
11211 /* Make sure that sge_supp_len can be handled by the driver */
11212 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
11213 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
11219 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
11220 * @phba: Pointer to HBA context object.
11221 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
11223 * This function is called in the SLI4 code path to read the port's
11224 * sli4 capabilities.
11226 * This function may be be called from any context that can block-wait
11227 * for the completion. The expectation is that this routine is called
11228 * typically from probe_one or from the online routine.
11231 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
11234 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
11235 struct lpfc_pc_sli4_params
*sli4_params
;
11238 bool exp_wqcq_pages
= true;
11239 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
11242 * By default, the driver assumes the SLI4 port requires RPI
11243 * header postings. The SLI4_PARAM response will correct this
11246 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
11248 /* Read the port's SLI4 Config Parameters */
11249 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
11250 sizeof(struct lpfc_sli4_cfg_mhdr
));
11251 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
11252 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
11253 length
, LPFC_SLI4_MBX_EMBED
);
11254 if (!phba
->sli4_hba
.intr_enable
)
11255 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
11257 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
11258 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
11262 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
11263 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
11264 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
11265 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
11266 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
11267 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
11268 mbx_sli4_parameters
);
11269 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
11270 mbx_sli4_parameters
);
11271 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
11272 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
11274 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
11275 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
11276 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
11277 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
11278 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
11279 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
11280 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
11281 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
11282 sli4_params
->eqav
= bf_get(cfg_eqav
, mbx_sli4_parameters
);
11283 sli4_params
->cqav
= bf_get(cfg_cqav
, mbx_sli4_parameters
);
11284 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
11285 sli4_params
->bv1s
= bf_get(cfg_bv1s
, mbx_sli4_parameters
);
11286 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
11287 mbx_sli4_parameters
);
11288 sli4_params
->wqpcnt
= bf_get(cfg_wqpcnt
, mbx_sli4_parameters
);
11289 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
11290 mbx_sli4_parameters
);
11291 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
11292 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
11293 phba
->nvme_support
= (bf_get(cfg_nvme
, mbx_sli4_parameters
) &&
11294 bf_get(cfg_xib
, mbx_sli4_parameters
));
11296 if ((phba
->cfg_enable_fc4_type
== LPFC_ENABLE_FCP
) ||
11297 !phba
->nvme_support
) {
11298 phba
->nvme_support
= 0;
11299 phba
->nvmet_support
= 0;
11300 phba
->cfg_nvmet_mrq
= LPFC_NVMET_MRQ_OFF
;
11301 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_NVME
,
11302 "6101 Disabling NVME support: "
11303 "Not supported by firmware: %d %d\n",
11304 bf_get(cfg_nvme
, mbx_sli4_parameters
),
11305 bf_get(cfg_xib
, mbx_sli4_parameters
));
11307 /* If firmware doesn't support NVME, just use SCSI support */
11308 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
11310 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_FCP
;
11313 /* Only embed PBDE for if_type 6, PBDE support requires xib be set */
11314 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
11315 LPFC_SLI_INTF_IF_TYPE_6
) || (!bf_get(cfg_xib
, mbx_sli4_parameters
)))
11316 phba
->cfg_enable_pbde
= 0;
11319 * To support Suppress Response feature we must satisfy 3 conditions.
11320 * lpfc_suppress_rsp module parameter must be set (default).
11321 * In SLI4-Parameters Descriptor:
11322 * Extended Inline Buffers (XIB) must be supported.
11323 * Suppress Response IU Not Supported (SRIUNS) must NOT be supported
11324 * (double negative).
11326 if (phba
->cfg_suppress_rsp
&& bf_get(cfg_xib
, mbx_sli4_parameters
) &&
11327 !(bf_get(cfg_nosr
, mbx_sli4_parameters
)))
11328 phba
->sli
.sli_flag
|= LPFC_SLI_SUPPRESS_RSP
;
11330 phba
->cfg_suppress_rsp
= 0;
11332 if (bf_get(cfg_eqdr
, mbx_sli4_parameters
))
11333 phba
->sli
.sli_flag
|= LPFC_SLI_USE_EQDR
;
11335 /* Make sure that sge_supp_len can be handled by the driver */
11336 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
11337 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
11340 * Check whether the adapter supports an embedded copy of the
11341 * FCP CMD IU within the WQE for FCP_Ixxx commands. In order
11342 * to use this option, 128-byte WQEs must be used.
11344 if (bf_get(cfg_ext_embed_cb
, mbx_sli4_parameters
))
11345 phba
->fcp_embed_io
= 1;
11347 phba
->fcp_embed_io
= 0;
11349 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_NVME
,
11350 "6422 XIB %d PBDE %d: FCP %d NVME %d %d %d\n",
11351 bf_get(cfg_xib
, mbx_sli4_parameters
),
11352 phba
->cfg_enable_pbde
,
11353 phba
->fcp_embed_io
, phba
->nvme_support
,
11354 phba
->cfg_nvme_embed_cmd
, phba
->cfg_suppress_rsp
);
11356 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
11357 LPFC_SLI_INTF_IF_TYPE_2
) &&
11358 (bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
) ==
11359 LPFC_SLI_INTF_FAMILY_LNCR_A0
))
11360 exp_wqcq_pages
= false;
11362 if ((bf_get(cfg_cqpsize
, mbx_sli4_parameters
) & LPFC_CQ_16K_PAGE_SZ
) &&
11363 (bf_get(cfg_wqpsize
, mbx_sli4_parameters
) & LPFC_WQ_16K_PAGE_SZ
) &&
11365 (sli4_params
->wqsize
& LPFC_WQ_SZ128_SUPPORT
))
11366 phba
->enab_exp_wqcq_pages
= 1;
11368 phba
->enab_exp_wqcq_pages
= 0;
11370 * Check if the SLI port supports MDS Diagnostics
11372 if (bf_get(cfg_mds_diags
, mbx_sli4_parameters
))
11373 phba
->mds_diags_support
= 1;
11375 phba
->mds_diags_support
= 0;
11381 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
11382 * @pdev: pointer to PCI device
11383 * @pid: pointer to PCI device identifier
11385 * This routine is to be called to attach a device with SLI-3 interface spec
11386 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
11387 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
11388 * information of the device and driver to see if the driver state that it can
11389 * support this kind of device. If the match is successful, the driver core
11390 * invokes this routine. If this routine determines it can claim the HBA, it
11391 * does all the initialization that it needs to do to handle the HBA properly.
11394 * 0 - driver can claim the device
11395 * negative value - driver can not claim the device
11398 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
11400 struct lpfc_hba
*phba
;
11401 struct lpfc_vport
*vport
= NULL
;
11402 struct Scsi_Host
*shost
= NULL
;
11404 uint32_t cfg_mode
, intr_mode
;
11406 /* Allocate memory for HBA structure */
11407 phba
= lpfc_hba_alloc(pdev
);
11411 /* Perform generic PCI device enabling operation */
11412 error
= lpfc_enable_pci_dev(phba
);
11414 goto out_free_phba
;
11416 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
11417 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
11419 goto out_disable_pci_dev
;
11421 /* Set up SLI-3 specific device PCI memory space */
11422 error
= lpfc_sli_pci_mem_setup(phba
);
11424 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11425 "1402 Failed to set up pci memory space.\n");
11426 goto out_disable_pci_dev
;
11429 /* Set up SLI-3 specific device driver resources */
11430 error
= lpfc_sli_driver_resource_setup(phba
);
11432 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11433 "1404 Failed to set up driver resource.\n");
11434 goto out_unset_pci_mem_s3
;
11437 /* Initialize and populate the iocb list per host */
11439 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
11441 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11442 "1405 Failed to initialize iocb list.\n");
11443 goto out_unset_driver_resource_s3
;
11446 /* Set up common device driver resources */
11447 error
= lpfc_setup_driver_resource_phase2(phba
);
11449 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11450 "1406 Failed to set up driver resource.\n");
11451 goto out_free_iocb_list
;
11454 /* Get the default values for Model Name and Description */
11455 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
11457 /* Create SCSI host to the physical port */
11458 error
= lpfc_create_shost(phba
);
11460 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11461 "1407 Failed to create scsi host.\n");
11462 goto out_unset_driver_resource
;
11465 /* Configure sysfs attributes */
11466 vport
= phba
->pport
;
11467 error
= lpfc_alloc_sysfs_attr(vport
);
11469 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11470 "1476 Failed to allocate sysfs attr\n");
11471 goto out_destroy_shost
;
11474 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
11475 /* Now, trying to enable interrupt and bring up the device */
11476 cfg_mode
= phba
->cfg_use_msi
;
11478 /* Put device to a known state before enabling interrupt */
11479 lpfc_stop_port(phba
);
11480 /* Configure and enable interrupt */
11481 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
11482 if (intr_mode
== LPFC_INTR_ERROR
) {
11483 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11484 "0431 Failed to enable interrupt.\n");
11486 goto out_free_sysfs_attr
;
11488 /* SLI-3 HBA setup */
11489 if (lpfc_sli_hba_setup(phba
)) {
11490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11491 "1477 Failed to set up hba\n");
11493 goto out_remove_device
;
11496 /* Wait 50ms for the interrupts of previous mailbox commands */
11498 /* Check active interrupts on message signaled interrupts */
11499 if (intr_mode
== 0 ||
11500 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
11501 /* Log the current active interrupt mode */
11502 phba
->intr_mode
= intr_mode
;
11503 lpfc_log_intr_mode(phba
, intr_mode
);
11506 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11507 "0447 Configure interrupt mode (%d) "
11508 "failed active interrupt test.\n",
11510 /* Disable the current interrupt mode */
11511 lpfc_sli_disable_intr(phba
);
11512 /* Try next level of interrupt mode */
11513 cfg_mode
= --intr_mode
;
11517 /* Perform post initialization setup */
11518 lpfc_post_init_setup(phba
);
11520 /* Check if there are static vports to be created. */
11521 lpfc_create_static_vport(phba
);
11526 lpfc_unset_hba(phba
);
11527 out_free_sysfs_attr
:
11528 lpfc_free_sysfs_attr(vport
);
11530 lpfc_destroy_shost(phba
);
11531 out_unset_driver_resource
:
11532 lpfc_unset_driver_resource_phase2(phba
);
11533 out_free_iocb_list
:
11534 lpfc_free_iocb_list(phba
);
11535 out_unset_driver_resource_s3
:
11536 lpfc_sli_driver_resource_unset(phba
);
11537 out_unset_pci_mem_s3
:
11538 lpfc_sli_pci_mem_unset(phba
);
11539 out_disable_pci_dev
:
11540 lpfc_disable_pci_dev(phba
);
11542 scsi_host_put(shost
);
11544 lpfc_hba_free(phba
);
11549 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
11550 * @pdev: pointer to PCI device
11552 * This routine is to be called to disattach a device with SLI-3 interface
11553 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
11554 * removed from PCI bus, it performs all the necessary cleanup for the HBA
11555 * device to be removed from the PCI subsystem properly.
11558 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
11560 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11561 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
11562 struct lpfc_vport
**vports
;
11563 struct lpfc_hba
*phba
= vport
->phba
;
11566 spin_lock_irq(&phba
->hbalock
);
11567 vport
->load_flag
|= FC_UNLOADING
;
11568 spin_unlock_irq(&phba
->hbalock
);
11570 lpfc_free_sysfs_attr(vport
);
11572 /* Release all the vports against this physical port */
11573 vports
= lpfc_create_vport_work_array(phba
);
11574 if (vports
!= NULL
)
11575 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
11576 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
11578 fc_vport_terminate(vports
[i
]->fc_vport
);
11580 lpfc_destroy_vport_work_array(phba
, vports
);
11582 /* Remove FC host and then SCSI host with the physical port */
11583 fc_remove_host(shost
);
11584 scsi_remove_host(shost
);
11586 lpfc_cleanup(vport
);
11589 * Bring down the SLI Layer. This step disable all interrupts,
11590 * clears the rings, discards all mailbox commands, and resets
11594 /* HBA interrupt will be disabled after this call */
11595 lpfc_sli_hba_down(phba
);
11596 /* Stop kthread signal shall trigger work_done one more time */
11597 kthread_stop(phba
->worker_thread
);
11598 /* Final cleanup of txcmplq and reset the HBA */
11599 lpfc_sli_brdrestart(phba
);
11601 kfree(phba
->vpi_bmask
);
11602 kfree(phba
->vpi_ids
);
11604 lpfc_stop_hba_timers(phba
);
11605 spin_lock_irq(&phba
->port_list_lock
);
11606 list_del_init(&vport
->listentry
);
11607 spin_unlock_irq(&phba
->port_list_lock
);
11609 lpfc_debugfs_terminate(vport
);
11611 /* Disable SR-IOV if enabled */
11612 if (phba
->cfg_sriov_nr_virtfn
)
11613 pci_disable_sriov(pdev
);
11615 /* Disable interrupt */
11616 lpfc_sli_disable_intr(phba
);
11618 scsi_host_put(shost
);
11621 * Call scsi_free before mem_free since scsi bufs are released to their
11622 * corresponding pools here.
11624 lpfc_scsi_free(phba
);
11625 lpfc_free_iocb_list(phba
);
11627 lpfc_mem_free_all(phba
);
11629 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
11630 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
11632 /* Free resources associated with SLI2 interface */
11633 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
11634 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
11636 /* unmap adapter SLIM and Control Registers */
11637 iounmap(phba
->ctrl_regs_memmap_p
);
11638 iounmap(phba
->slim_memmap_p
);
11640 lpfc_hba_free(phba
);
11642 pci_release_mem_regions(pdev
);
11643 pci_disable_device(pdev
);
11647 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
11648 * @pdev: pointer to PCI device
11649 * @msg: power management message
11651 * This routine is to be called from the kernel's PCI subsystem to support
11652 * system Power Management (PM) to device with SLI-3 interface spec. When
11653 * PM invokes this method, it quiesces the device by stopping the driver's
11654 * worker thread for the device, turning off device's interrupt and DMA,
11655 * and bring the device offline. Note that as the driver implements the
11656 * minimum PM requirements to a power-aware driver's PM support for the
11657 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
11658 * to the suspend() method call will be treated as SUSPEND and the driver will
11659 * fully reinitialize its device during resume() method call, the driver will
11660 * set device to PCI_D3hot state in PCI config space instead of setting it
11661 * according to the @msg provided by the PM.
11664 * 0 - driver suspended the device
11668 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
11670 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11671 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11673 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11674 "0473 PCI device Power Management suspend.\n");
11676 /* Bring down the device */
11677 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11678 lpfc_offline(phba
);
11679 kthread_stop(phba
->worker_thread
);
11681 /* Disable interrupt from device */
11682 lpfc_sli_disable_intr(phba
);
11684 /* Save device state to PCI config space */
11685 pci_save_state(pdev
);
11686 pci_set_power_state(pdev
, PCI_D3hot
);
11692 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
11693 * @pdev: pointer to PCI device
11695 * This routine is to be called from the kernel's PCI subsystem to support
11696 * system Power Management (PM) to device with SLI-3 interface spec. When PM
11697 * invokes this method, it restores the device's PCI config space state and
11698 * fully reinitializes the device and brings it online. Note that as the
11699 * driver implements the minimum PM requirements to a power-aware driver's
11700 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
11701 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
11702 * driver will fully reinitialize its device during resume() method call,
11703 * the device will be set to PCI_D0 directly in PCI config space before
11704 * restoring the state.
11707 * 0 - driver suspended the device
11711 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
11713 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11714 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11715 uint32_t intr_mode
;
11718 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11719 "0452 PCI device Power Management resume.\n");
11721 /* Restore device state from PCI config space */
11722 pci_set_power_state(pdev
, PCI_D0
);
11723 pci_restore_state(pdev
);
11726 * As the new kernel behavior of pci_restore_state() API call clears
11727 * device saved_state flag, need to save the restored state again.
11729 pci_save_state(pdev
);
11731 if (pdev
->is_busmaster
)
11732 pci_set_master(pdev
);
11734 /* Startup the kernel thread for this host adapter. */
11735 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
11736 "lpfc_worker_%d", phba
->brd_no
);
11737 if (IS_ERR(phba
->worker_thread
)) {
11738 error
= PTR_ERR(phba
->worker_thread
);
11739 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11740 "0434 PM resume failed to start worker "
11741 "thread: error=x%x.\n", error
);
11745 /* Configure and enable interrupt */
11746 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
11747 if (intr_mode
== LPFC_INTR_ERROR
) {
11748 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11749 "0430 PM resume Failed to enable interrupt\n");
11752 phba
->intr_mode
= intr_mode
;
11754 /* Restart HBA and bring it online */
11755 lpfc_sli_brdrestart(phba
);
11758 /* Log the current active interrupt mode */
11759 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11765 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
11766 * @phba: pointer to lpfc hba data structure.
11768 * This routine is called to prepare the SLI3 device for PCI slot recover. It
11769 * aborts all the outstanding SCSI I/Os to the pci device.
11772 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
11774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11775 "2723 PCI channel I/O abort preparing for recovery\n");
11778 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
11779 * and let the SCSI mid-layer to retry them to recover.
11781 lpfc_sli_abort_fcp_rings(phba
);
11785 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
11786 * @phba: pointer to lpfc hba data structure.
11788 * This routine is called to prepare the SLI3 device for PCI slot reset. It
11789 * disables the device interrupt and pci device, and aborts the internal FCP
11793 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
11795 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11796 "2710 PCI channel disable preparing for reset\n");
11798 /* Block any management I/Os to the device */
11799 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
11801 /* Block all SCSI devices' I/Os on the host */
11802 lpfc_scsi_dev_block(phba
);
11804 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
11805 lpfc_sli_flush_fcp_rings(phba
);
11807 /* stop all timers */
11808 lpfc_stop_hba_timers(phba
);
11810 /* Disable interrupt and pci device */
11811 lpfc_sli_disable_intr(phba
);
11812 pci_disable_device(phba
->pcidev
);
11816 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
11817 * @phba: pointer to lpfc hba data structure.
11819 * This routine is called to prepare the SLI3 device for PCI slot permanently
11820 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
11824 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
11826 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11827 "2711 PCI channel permanent disable for failure\n");
11828 /* Block all SCSI devices' I/Os on the host */
11829 lpfc_scsi_dev_block(phba
);
11831 /* stop all timers */
11832 lpfc_stop_hba_timers(phba
);
11834 /* Clean up all driver's outstanding SCSI I/Os */
11835 lpfc_sli_flush_fcp_rings(phba
);
11839 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
11840 * @pdev: pointer to PCI device.
11841 * @state: the current PCI connection state.
11843 * This routine is called from the PCI subsystem for I/O error handling to
11844 * device with SLI-3 interface spec. This function is called by the PCI
11845 * subsystem after a PCI bus error affecting this device has been detected.
11846 * When this function is invoked, it will need to stop all the I/Os and
11847 * interrupt(s) to the device. Once that is done, it will return
11848 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
11852 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
11853 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11854 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11856 static pci_ers_result_t
11857 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
11859 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11860 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11863 case pci_channel_io_normal
:
11864 /* Non-fatal error, prepare for recovery */
11865 lpfc_sli_prep_dev_for_recover(phba
);
11866 return PCI_ERS_RESULT_CAN_RECOVER
;
11867 case pci_channel_io_frozen
:
11868 /* Fatal error, prepare for slot reset */
11869 lpfc_sli_prep_dev_for_reset(phba
);
11870 return PCI_ERS_RESULT_NEED_RESET
;
11871 case pci_channel_io_perm_failure
:
11872 /* Permanent failure, prepare for device down */
11873 lpfc_sli_prep_dev_for_perm_failure(phba
);
11874 return PCI_ERS_RESULT_DISCONNECT
;
11876 /* Unknown state, prepare and request slot reset */
11877 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11878 "0472 Unknown PCI error state: x%x\n", state
);
11879 lpfc_sli_prep_dev_for_reset(phba
);
11880 return PCI_ERS_RESULT_NEED_RESET
;
11885 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
11886 * @pdev: pointer to PCI device.
11888 * This routine is called from the PCI subsystem for error handling to
11889 * device with SLI-3 interface spec. This is called after PCI bus has been
11890 * reset to restart the PCI card from scratch, as if from a cold-boot.
11891 * During the PCI subsystem error recovery, after driver returns
11892 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
11893 * recovery and then call this routine before calling the .resume method
11894 * to recover the device. This function will initialize the HBA device,
11895 * enable the interrupt, but it will just put the HBA to offline state
11896 * without passing any I/O traffic.
11899 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11900 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11902 static pci_ers_result_t
11903 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
11905 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11906 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11907 struct lpfc_sli
*psli
= &phba
->sli
;
11908 uint32_t intr_mode
;
11910 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
11911 if (pci_enable_device_mem(pdev
)) {
11912 printk(KERN_ERR
"lpfc: Cannot re-enable "
11913 "PCI device after reset.\n");
11914 return PCI_ERS_RESULT_DISCONNECT
;
11917 pci_restore_state(pdev
);
11920 * As the new kernel behavior of pci_restore_state() API call clears
11921 * device saved_state flag, need to save the restored state again.
11923 pci_save_state(pdev
);
11925 if (pdev
->is_busmaster
)
11926 pci_set_master(pdev
);
11928 spin_lock_irq(&phba
->hbalock
);
11929 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
11930 spin_unlock_irq(&phba
->hbalock
);
11932 /* Configure and enable interrupt */
11933 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
11934 if (intr_mode
== LPFC_INTR_ERROR
) {
11935 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11936 "0427 Cannot re-enable interrupt after "
11938 return PCI_ERS_RESULT_DISCONNECT
;
11940 phba
->intr_mode
= intr_mode
;
11942 /* Take device offline, it will perform cleanup */
11943 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
11944 lpfc_offline(phba
);
11945 lpfc_sli_brdrestart(phba
);
11947 /* Log the current active interrupt mode */
11948 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
11950 return PCI_ERS_RESULT_RECOVERED
;
11954 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
11955 * @pdev: pointer to PCI device
11957 * This routine is called from the PCI subsystem for error handling to device
11958 * with SLI-3 interface spec. It is called when kernel error recovery tells
11959 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
11960 * error recovery. After this call, traffic can start to flow from this device
11964 lpfc_io_resume_s3(struct pci_dev
*pdev
)
11966 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11967 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11969 /* Bring device online, it will be no-op for non-fatal error resume */
11974 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
11975 * @phba: pointer to lpfc hba data structure.
11977 * returns the number of ELS/CT IOCBs to reserve
11980 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
11982 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
11984 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
11985 if (max_xri
<= 100)
11987 else if (max_xri
<= 256)
11989 else if (max_xri
<= 512)
11991 else if (max_xri
<= 1024)
11993 else if (max_xri
<= 1536)
11995 else if (max_xri
<= 2048)
12004 * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve
12005 * @phba: pointer to lpfc hba data structure.
12007 * returns the number of ELS/CT + NVMET IOCBs to reserve
12010 lpfc_sli4_get_iocb_cnt(struct lpfc_hba
*phba
)
12012 int max_xri
= lpfc_sli4_get_els_iocb_cnt(phba
);
12014 if (phba
->nvmet_support
)
12015 max_xri
+= LPFC_NVMET_BUF_POST
;
12021 lpfc_log_write_firmware_error(struct lpfc_hba
*phba
, uint32_t offset
,
12022 uint32_t magic_number
, uint32_t ftype
, uint32_t fid
, uint32_t fsize
,
12023 const struct firmware
*fw
)
12025 if ((offset
== ADD_STATUS_FW_NOT_SUPPORTED
) ||
12026 (phba
->pcidev
->device
== PCI_DEVICE_ID_LANCER_G6_FC
&&
12027 magic_number
!= MAGIC_NUMER_G6
) ||
12028 (phba
->pcidev
->device
== PCI_DEVICE_ID_LANCER_G7_FC
&&
12029 magic_number
!= MAGIC_NUMER_G7
))
12030 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12031 "3030 This firmware version is not supported on "
12032 "this HBA model. Device:%x Magic:%x Type:%x "
12033 "ID:%x Size %d %zd\n",
12034 phba
->pcidev
->device
, magic_number
, ftype
, fid
,
12037 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12038 "3022 FW Download failed. Device:%x Magic:%x Type:%x "
12039 "ID:%x Size %d %zd\n",
12040 phba
->pcidev
->device
, magic_number
, ftype
, fid
,
12046 * lpfc_write_firmware - attempt to write a firmware image to the port
12047 * @fw: pointer to firmware image returned from request_firmware.
12048 * @phba: pointer to lpfc hba data structure.
12052 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
12054 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
12055 char fwrev
[FW_REV_STR_SIZE
];
12056 struct lpfc_grp_hdr
*image
;
12057 struct list_head dma_buffer_list
;
12059 struct lpfc_dmabuf
*dmabuf
, *next
;
12060 uint32_t offset
= 0, temp_offset
= 0;
12061 uint32_t magic_number
, ftype
, fid
, fsize
;
12063 /* It can be null in no-wait mode, sanity check */
12068 image
= (struct lpfc_grp_hdr
*)fw
->data
;
12070 magic_number
= be32_to_cpu(image
->magic_number
);
12071 ftype
= bf_get_be32(lpfc_grp_hdr_file_type
, image
);
12072 fid
= bf_get_be32(lpfc_grp_hdr_id
, image
);
12073 fsize
= be32_to_cpu(image
->size
);
12075 INIT_LIST_HEAD(&dma_buffer_list
);
12076 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
12077 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
12078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12079 "3023 Updating Firmware, Current Version:%s "
12080 "New Version:%s\n",
12081 fwrev
, image
->revision
);
12082 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
12083 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
12089 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
12093 if (!dmabuf
->virt
) {
12098 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
12100 while (offset
< fw
->size
) {
12101 temp_offset
= offset
;
12102 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
12103 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
12104 memcpy(dmabuf
->virt
,
12105 fw
->data
+ temp_offset
,
12106 fw
->size
- temp_offset
);
12107 temp_offset
= fw
->size
;
12110 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
12112 temp_offset
+= SLI4_PAGE_SIZE
;
12114 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
12115 (fw
->size
- offset
), &offset
);
12117 lpfc_log_write_firmware_error(phba
, offset
,
12118 magic_number
, ftype
, fid
, fsize
, fw
);
12124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12125 "3029 Skipped Firmware update, Current "
12126 "Version:%s New Version:%s\n",
12127 fwrev
, image
->revision
);
12130 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
12131 list_del(&dmabuf
->list
);
12132 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
12133 dmabuf
->virt
, dmabuf
->phys
);
12136 release_firmware(fw
);
12138 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12139 "3024 Firmware update done: %d.\n", rc
);
12144 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
12145 * @phba: pointer to lpfc hba data structure.
12147 * This routine is called to perform Linux generic firmware upgrade on device
12148 * that supports such feature.
12151 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
12153 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
12155 const struct firmware
*fw
;
12157 /* Only supported on SLI4 interface type 2 for now */
12158 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) <
12159 LPFC_SLI_INTF_IF_TYPE_2
)
12162 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
12164 if (fw_upgrade
== INT_FW_UPGRADE
) {
12165 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
12166 file_name
, &phba
->pcidev
->dev
,
12167 GFP_KERNEL
, (void *)phba
,
12168 lpfc_write_firmware
);
12169 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
12170 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
12172 lpfc_write_firmware(fw
, (void *)phba
);
12181 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
12182 * @pdev: pointer to PCI device
12183 * @pid: pointer to PCI device identifier
12185 * This routine is called from the kernel's PCI subsystem to device with
12186 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
12187 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
12188 * information of the device and driver to see if the driver state that it
12189 * can support this kind of device. If the match is successful, the driver
12190 * core invokes this routine. If this routine determines it can claim the HBA,
12191 * it does all the initialization that it needs to do to handle the HBA
12195 * 0 - driver can claim the device
12196 * negative value - driver can not claim the device
12199 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
12201 struct lpfc_hba
*phba
;
12202 struct lpfc_vport
*vport
= NULL
;
12203 struct Scsi_Host
*shost
= NULL
;
12205 uint32_t cfg_mode
, intr_mode
;
12207 /* Allocate memory for HBA structure */
12208 phba
= lpfc_hba_alloc(pdev
);
12212 /* Perform generic PCI device enabling operation */
12213 error
= lpfc_enable_pci_dev(phba
);
12215 goto out_free_phba
;
12217 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
12218 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
12220 goto out_disable_pci_dev
;
12222 /* Set up SLI-4 specific device PCI memory space */
12223 error
= lpfc_sli4_pci_mem_setup(phba
);
12225 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12226 "1410 Failed to set up pci memory space.\n");
12227 goto out_disable_pci_dev
;
12230 /* Set up SLI-4 Specific device driver resources */
12231 error
= lpfc_sli4_driver_resource_setup(phba
);
12233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12234 "1412 Failed to set up driver resource.\n");
12235 goto out_unset_pci_mem_s4
;
12238 INIT_LIST_HEAD(&phba
->active_rrq_list
);
12239 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
12241 /* Set up common device driver resources */
12242 error
= lpfc_setup_driver_resource_phase2(phba
);
12244 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12245 "1414 Failed to set up driver resource.\n");
12246 goto out_unset_driver_resource_s4
;
12249 /* Get the default values for Model Name and Description */
12250 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
12252 /* Now, trying to enable interrupt and bring up the device */
12253 cfg_mode
= phba
->cfg_use_msi
;
12255 /* Put device to a known state before enabling interrupt */
12256 phba
->pport
= NULL
;
12257 lpfc_stop_port(phba
);
12259 /* Configure and enable interrupt */
12260 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
12261 if (intr_mode
== LPFC_INTR_ERROR
) {
12262 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12263 "0426 Failed to enable interrupt.\n");
12265 goto out_unset_driver_resource
;
12267 /* Default to single EQ for non-MSI-X */
12268 if (phba
->intr_type
!= MSIX
) {
12269 phba
->cfg_irq_chann
= 1;
12270 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
12271 if (phba
->nvmet_support
)
12272 phba
->cfg_nvmet_mrq
= 1;
12275 lpfc_cpu_affinity_check(phba
, phba
->cfg_irq_chann
);
12277 /* Create SCSI host to the physical port */
12278 error
= lpfc_create_shost(phba
);
12280 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12281 "1415 Failed to create scsi host.\n");
12282 goto out_disable_intr
;
12284 vport
= phba
->pport
;
12285 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
12287 /* Configure sysfs attributes */
12288 error
= lpfc_alloc_sysfs_attr(vport
);
12290 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12291 "1416 Failed to allocate sysfs attr\n");
12292 goto out_destroy_shost
;
12295 /* Set up SLI-4 HBA */
12296 if (lpfc_sli4_hba_setup(phba
)) {
12297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12298 "1421 Failed to set up hba\n");
12300 goto out_free_sysfs_attr
;
12303 /* Log the current active interrupt mode */
12304 phba
->intr_mode
= intr_mode
;
12305 lpfc_log_intr_mode(phba
, intr_mode
);
12307 /* Perform post initialization setup */
12308 lpfc_post_init_setup(phba
);
12310 /* NVME support in FW earlier in the driver load corrects the
12311 * FC4 type making a check for nvme_support unnecessary.
12313 if (phba
->nvmet_support
== 0) {
12314 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) {
12315 /* Create NVME binding with nvme_fc_transport. This
12316 * ensures the vport is initialized. If the localport
12317 * create fails, it should not unload the driver to
12318 * support field issues.
12320 error
= lpfc_nvme_create_localport(vport
);
12322 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12323 "6004 NVME registration "
12324 "failed, error x%x\n",
12330 /* check for firmware upgrade or downgrade */
12331 if (phba
->cfg_request_firmware_upgrade
)
12332 lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
12334 /* Check if there are static vports to be created. */
12335 lpfc_create_static_vport(phba
);
12337 /* Enable RAS FW log support */
12338 lpfc_sli4_ras_setup(phba
);
12342 out_free_sysfs_attr
:
12343 lpfc_free_sysfs_attr(vport
);
12345 lpfc_destroy_shost(phba
);
12347 lpfc_sli4_disable_intr(phba
);
12348 out_unset_driver_resource
:
12349 lpfc_unset_driver_resource_phase2(phba
);
12350 out_unset_driver_resource_s4
:
12351 lpfc_sli4_driver_resource_unset(phba
);
12352 out_unset_pci_mem_s4
:
12353 lpfc_sli4_pci_mem_unset(phba
);
12354 out_disable_pci_dev
:
12355 lpfc_disable_pci_dev(phba
);
12357 scsi_host_put(shost
);
12359 lpfc_hba_free(phba
);
12364 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
12365 * @pdev: pointer to PCI device
12367 * This routine is called from the kernel's PCI subsystem to device with
12368 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
12369 * removed from PCI bus, it performs all the necessary cleanup for the HBA
12370 * device to be removed from the PCI subsystem properly.
12373 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
12375 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12376 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
12377 struct lpfc_vport
**vports
;
12378 struct lpfc_hba
*phba
= vport
->phba
;
12381 /* Mark the device unloading flag */
12382 spin_lock_irq(&phba
->hbalock
);
12383 vport
->load_flag
|= FC_UNLOADING
;
12384 spin_unlock_irq(&phba
->hbalock
);
12386 /* Free the HBA sysfs attributes */
12387 lpfc_free_sysfs_attr(vport
);
12389 /* Release all the vports against this physical port */
12390 vports
= lpfc_create_vport_work_array(phba
);
12391 if (vports
!= NULL
)
12392 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
12393 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
12395 fc_vport_terminate(vports
[i
]->fc_vport
);
12397 lpfc_destroy_vport_work_array(phba
, vports
);
12399 /* Remove FC host and then SCSI host with the physical port */
12400 fc_remove_host(shost
);
12401 scsi_remove_host(shost
);
12403 /* Perform ndlp cleanup on the physical port. The nvme and nvmet
12404 * localports are destroyed after to cleanup all transport memory.
12406 lpfc_cleanup(vport
);
12407 lpfc_nvmet_destroy_targetport(phba
);
12408 lpfc_nvme_destroy_localport(vport
);
12410 /* De-allocate multi-XRI pools */
12411 if (phba
->cfg_xri_rebalancing
)
12412 lpfc_destroy_multixri_pools(phba
);
12415 * Bring down the SLI Layer. This step disables all interrupts,
12416 * clears the rings, discards all mailbox commands, and resets
12417 * the HBA FCoE function.
12419 lpfc_debugfs_terminate(vport
);
12421 lpfc_stop_hba_timers(phba
);
12422 spin_lock_irq(&phba
->port_list_lock
);
12423 list_del_init(&vport
->listentry
);
12424 spin_unlock_irq(&phba
->port_list_lock
);
12426 /* Perform scsi free before driver resource_unset since scsi
12427 * buffers are released to their corresponding pools here.
12429 lpfc_io_free(phba
);
12430 lpfc_free_iocb_list(phba
);
12431 lpfc_sli4_hba_unset(phba
);
12433 lpfc_unset_driver_resource_phase2(phba
);
12434 lpfc_sli4_driver_resource_unset(phba
);
12436 /* Unmap adapter Control and Doorbell registers */
12437 lpfc_sli4_pci_mem_unset(phba
);
12439 /* Release PCI resources and disable device's PCI function */
12440 scsi_host_put(shost
);
12441 lpfc_disable_pci_dev(phba
);
12443 /* Finally, free the driver's device data structure */
12444 lpfc_hba_free(phba
);
12450 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
12451 * @pdev: pointer to PCI device
12452 * @msg: power management message
12454 * This routine is called from the kernel's PCI subsystem to support system
12455 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
12456 * this method, it quiesces the device by stopping the driver's worker
12457 * thread for the device, turning off device's interrupt and DMA, and bring
12458 * the device offline. Note that as the driver implements the minimum PM
12459 * requirements to a power-aware driver's PM support for suspend/resume -- all
12460 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
12461 * method call will be treated as SUSPEND and the driver will fully
12462 * reinitialize its device during resume() method call, the driver will set
12463 * device to PCI_D3hot state in PCI config space instead of setting it
12464 * according to the @msg provided by the PM.
12467 * 0 - driver suspended the device
12471 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
12473 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12474 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12476 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12477 "2843 PCI device Power Management suspend.\n");
12479 /* Bring down the device */
12480 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
12481 lpfc_offline(phba
);
12482 kthread_stop(phba
->worker_thread
);
12484 /* Disable interrupt from device */
12485 lpfc_sli4_disable_intr(phba
);
12486 lpfc_sli4_queue_destroy(phba
);
12488 /* Save device state to PCI config space */
12489 pci_save_state(pdev
);
12490 pci_set_power_state(pdev
, PCI_D3hot
);
12496 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
12497 * @pdev: pointer to PCI device
12499 * This routine is called from the kernel's PCI subsystem to support system
12500 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
12501 * this method, it restores the device's PCI config space state and fully
12502 * reinitializes the device and brings it online. Note that as the driver
12503 * implements the minimum PM requirements to a power-aware driver's PM for
12504 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
12505 * to the suspend() method call will be treated as SUSPEND and the driver
12506 * will fully reinitialize its device during resume() method call, the device
12507 * will be set to PCI_D0 directly in PCI config space before restoring the
12511 * 0 - driver suspended the device
12515 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
12517 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12518 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12519 uint32_t intr_mode
;
12522 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12523 "0292 PCI device Power Management resume.\n");
12525 /* Restore device state from PCI config space */
12526 pci_set_power_state(pdev
, PCI_D0
);
12527 pci_restore_state(pdev
);
12530 * As the new kernel behavior of pci_restore_state() API call clears
12531 * device saved_state flag, need to save the restored state again.
12533 pci_save_state(pdev
);
12535 if (pdev
->is_busmaster
)
12536 pci_set_master(pdev
);
12538 /* Startup the kernel thread for this host adapter. */
12539 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
12540 "lpfc_worker_%d", phba
->brd_no
);
12541 if (IS_ERR(phba
->worker_thread
)) {
12542 error
= PTR_ERR(phba
->worker_thread
);
12543 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12544 "0293 PM resume failed to start worker "
12545 "thread: error=x%x.\n", error
);
12549 /* Configure and enable interrupt */
12550 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
12551 if (intr_mode
== LPFC_INTR_ERROR
) {
12552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12553 "0294 PM resume Failed to enable interrupt\n");
12556 phba
->intr_mode
= intr_mode
;
12558 /* Restart HBA and bring it online */
12559 lpfc_sli_brdrestart(phba
);
12562 /* Log the current active interrupt mode */
12563 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
12569 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
12570 * @phba: pointer to lpfc hba data structure.
12572 * This routine is called to prepare the SLI4 device for PCI slot recover. It
12573 * aborts all the outstanding SCSI I/Os to the pci device.
12576 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
12578 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12579 "2828 PCI channel I/O abort preparing for recovery\n");
12581 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
12582 * and let the SCSI mid-layer to retry them to recover.
12584 lpfc_sli_abort_fcp_rings(phba
);
12588 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
12589 * @phba: pointer to lpfc hba data structure.
12591 * This routine is called to prepare the SLI4 device for PCI slot reset. It
12592 * disables the device interrupt and pci device, and aborts the internal FCP
12596 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
12598 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12599 "2826 PCI channel disable preparing for reset\n");
12601 /* Block any management I/Os to the device */
12602 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
12604 /* Block all SCSI devices' I/Os on the host */
12605 lpfc_scsi_dev_block(phba
);
12607 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
12608 lpfc_sli_flush_fcp_rings(phba
);
12610 /* Flush the outstanding NVME IOs if fc4 type enabled. */
12611 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
12612 lpfc_sli_flush_nvme_rings(phba
);
12614 /* stop all timers */
12615 lpfc_stop_hba_timers(phba
);
12617 /* Disable interrupt and pci device */
12618 lpfc_sli4_disable_intr(phba
);
12619 lpfc_sli4_queue_destroy(phba
);
12620 pci_disable_device(phba
->pcidev
);
12624 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
12625 * @phba: pointer to lpfc hba data structure.
12627 * This routine is called to prepare the SLI4 device for PCI slot permanently
12628 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
12632 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
12634 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12635 "2827 PCI channel permanent disable for failure\n");
12637 /* Block all SCSI devices' I/Os on the host */
12638 lpfc_scsi_dev_block(phba
);
12640 /* stop all timers */
12641 lpfc_stop_hba_timers(phba
);
12643 /* Clean up all driver's outstanding SCSI I/Os */
12644 lpfc_sli_flush_fcp_rings(phba
);
12646 /* Flush the outstanding NVME IOs if fc4 type enabled. */
12647 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)
12648 lpfc_sli_flush_nvme_rings(phba
);
12652 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
12653 * @pdev: pointer to PCI device.
12654 * @state: the current PCI connection state.
12656 * This routine is called from the PCI subsystem for error handling to device
12657 * with SLI-4 interface spec. This function is called by the PCI subsystem
12658 * after a PCI bus error affecting this device has been detected. When this
12659 * function is invoked, it will need to stop all the I/Os and interrupt(s)
12660 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
12661 * for the PCI subsystem to perform proper recovery as desired.
12664 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
12665 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12667 static pci_ers_result_t
12668 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
12670 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12671 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12674 case pci_channel_io_normal
:
12675 /* Non-fatal error, prepare for recovery */
12676 lpfc_sli4_prep_dev_for_recover(phba
);
12677 return PCI_ERS_RESULT_CAN_RECOVER
;
12678 case pci_channel_io_frozen
:
12679 /* Fatal error, prepare for slot reset */
12680 lpfc_sli4_prep_dev_for_reset(phba
);
12681 return PCI_ERS_RESULT_NEED_RESET
;
12682 case pci_channel_io_perm_failure
:
12683 /* Permanent failure, prepare for device down */
12684 lpfc_sli4_prep_dev_for_perm_failure(phba
);
12685 return PCI_ERS_RESULT_DISCONNECT
;
12687 /* Unknown state, prepare and request slot reset */
12688 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12689 "2825 Unknown PCI error state: x%x\n", state
);
12690 lpfc_sli4_prep_dev_for_reset(phba
);
12691 return PCI_ERS_RESULT_NEED_RESET
;
12696 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
12697 * @pdev: pointer to PCI device.
12699 * This routine is called from the PCI subsystem for error handling to device
12700 * with SLI-4 interface spec. It is called after PCI bus has been reset to
12701 * restart the PCI card from scratch, as if from a cold-boot. During the
12702 * PCI subsystem error recovery, after the driver returns
12703 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
12704 * recovery and then call this routine before calling the .resume method to
12705 * recover the device. This function will initialize the HBA device, enable
12706 * the interrupt, but it will just put the HBA to offline state without
12707 * passing any I/O traffic.
12710 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
12711 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12713 static pci_ers_result_t
12714 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
12716 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12717 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12718 struct lpfc_sli
*psli
= &phba
->sli
;
12719 uint32_t intr_mode
;
12721 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
12722 if (pci_enable_device_mem(pdev
)) {
12723 printk(KERN_ERR
"lpfc: Cannot re-enable "
12724 "PCI device after reset.\n");
12725 return PCI_ERS_RESULT_DISCONNECT
;
12728 pci_restore_state(pdev
);
12731 * As the new kernel behavior of pci_restore_state() API call clears
12732 * device saved_state flag, need to save the restored state again.
12734 pci_save_state(pdev
);
12736 if (pdev
->is_busmaster
)
12737 pci_set_master(pdev
);
12739 spin_lock_irq(&phba
->hbalock
);
12740 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
12741 spin_unlock_irq(&phba
->hbalock
);
12743 /* Configure and enable interrupt */
12744 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
12745 if (intr_mode
== LPFC_INTR_ERROR
) {
12746 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12747 "2824 Cannot re-enable interrupt after "
12749 return PCI_ERS_RESULT_DISCONNECT
;
12751 phba
->intr_mode
= intr_mode
;
12753 /* Log the current active interrupt mode */
12754 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
12756 return PCI_ERS_RESULT_RECOVERED
;
12760 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
12761 * @pdev: pointer to PCI device
12763 * This routine is called from the PCI subsystem for error handling to device
12764 * with SLI-4 interface spec. It is called when kernel error recovery tells
12765 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
12766 * error recovery. After this call, traffic can start to flow from this device
12770 lpfc_io_resume_s4(struct pci_dev
*pdev
)
12772 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12773 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12776 * In case of slot reset, as function reset is performed through
12777 * mailbox command which needs DMA to be enabled, this operation
12778 * has to be moved to the io resume phase. Taking device offline
12779 * will perform the necessary cleanup.
12781 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
12782 /* Perform device reset */
12783 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
12784 lpfc_offline(phba
);
12785 lpfc_sli_brdrestart(phba
);
12786 /* Bring the device back online */
12792 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
12793 * @pdev: pointer to PCI device
12794 * @pid: pointer to PCI device identifier
12796 * This routine is to be registered to the kernel's PCI subsystem. When an
12797 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
12798 * at PCI device-specific information of the device and driver to see if the
12799 * driver state that it can support this kind of device. If the match is
12800 * successful, the driver core invokes this routine. This routine dispatches
12801 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
12802 * do all the initialization that it needs to do to handle the HBA device
12806 * 0 - driver can claim the device
12807 * negative value - driver can not claim the device
12810 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
12813 struct lpfc_sli_intf intf
;
12815 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
12818 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
12819 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
12820 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
12822 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
12828 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
12829 * @pdev: pointer to PCI device
12831 * This routine is to be registered to the kernel's PCI subsystem. When an
12832 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
12833 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
12834 * remove routine, which will perform all the necessary cleanup for the
12835 * device to be removed from the PCI subsystem properly.
12838 lpfc_pci_remove_one(struct pci_dev
*pdev
)
12840 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12841 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12843 switch (phba
->pci_dev_grp
) {
12844 case LPFC_PCI_DEV_LP
:
12845 lpfc_pci_remove_one_s3(pdev
);
12847 case LPFC_PCI_DEV_OC
:
12848 lpfc_pci_remove_one_s4(pdev
);
12851 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12852 "1424 Invalid PCI device group: 0x%x\n",
12853 phba
->pci_dev_grp
);
12860 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
12861 * @pdev: pointer to PCI device
12862 * @msg: power management message
12864 * This routine is to be registered to the kernel's PCI subsystem to support
12865 * system Power Management (PM). When PM invokes this method, it dispatches
12866 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
12867 * suspend the device.
12870 * 0 - driver suspended the device
12874 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
12876 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12877 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12880 switch (phba
->pci_dev_grp
) {
12881 case LPFC_PCI_DEV_LP
:
12882 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
12884 case LPFC_PCI_DEV_OC
:
12885 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
12888 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12889 "1425 Invalid PCI device group: 0x%x\n",
12890 phba
->pci_dev_grp
);
12897 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
12898 * @pdev: pointer to PCI device
12900 * This routine is to be registered to the kernel's PCI subsystem to support
12901 * system Power Management (PM). When PM invokes this method, it dispatches
12902 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
12903 * resume the device.
12906 * 0 - driver suspended the device
12910 lpfc_pci_resume_one(struct pci_dev
*pdev
)
12912 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12913 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12916 switch (phba
->pci_dev_grp
) {
12917 case LPFC_PCI_DEV_LP
:
12918 rc
= lpfc_pci_resume_one_s3(pdev
);
12920 case LPFC_PCI_DEV_OC
:
12921 rc
= lpfc_pci_resume_one_s4(pdev
);
12924 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12925 "1426 Invalid PCI device group: 0x%x\n",
12926 phba
->pci_dev_grp
);
12933 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
12934 * @pdev: pointer to PCI device.
12935 * @state: the current PCI connection state.
12937 * This routine is registered to the PCI subsystem for error handling. This
12938 * function is called by the PCI subsystem after a PCI bus error affecting
12939 * this device has been detected. When this routine is invoked, it dispatches
12940 * the action to the proper SLI-3 or SLI-4 device error detected handling
12941 * routine, which will perform the proper error detected operation.
12944 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
12945 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12947 static pci_ers_result_t
12948 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
12950 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12951 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12952 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
12954 switch (phba
->pci_dev_grp
) {
12955 case LPFC_PCI_DEV_LP
:
12956 rc
= lpfc_io_error_detected_s3(pdev
, state
);
12958 case LPFC_PCI_DEV_OC
:
12959 rc
= lpfc_io_error_detected_s4(pdev
, state
);
12962 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12963 "1427 Invalid PCI device group: 0x%x\n",
12964 phba
->pci_dev_grp
);
12971 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
12972 * @pdev: pointer to PCI device.
12974 * This routine is registered to the PCI subsystem for error handling. This
12975 * function is called after PCI bus has been reset to restart the PCI card
12976 * from scratch, as if from a cold-boot. When this routine is invoked, it
12977 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
12978 * routine, which will perform the proper device reset.
12981 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
12982 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
12984 static pci_ers_result_t
12985 lpfc_io_slot_reset(struct pci_dev
*pdev
)
12987 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
12988 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
12989 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
12991 switch (phba
->pci_dev_grp
) {
12992 case LPFC_PCI_DEV_LP
:
12993 rc
= lpfc_io_slot_reset_s3(pdev
);
12995 case LPFC_PCI_DEV_OC
:
12996 rc
= lpfc_io_slot_reset_s4(pdev
);
12999 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13000 "1428 Invalid PCI device group: 0x%x\n",
13001 phba
->pci_dev_grp
);
13008 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
13009 * @pdev: pointer to PCI device
13011 * This routine is registered to the PCI subsystem for error handling. It
13012 * is called when kernel error recovery tells the lpfc driver that it is
13013 * OK to resume normal PCI operation after PCI bus error recovery. When
13014 * this routine is invoked, it dispatches the action to the proper SLI-3
13015 * or SLI-4 device io_resume routine, which will resume the device operation.
13018 lpfc_io_resume(struct pci_dev
*pdev
)
13020 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
13021 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
13023 switch (phba
->pci_dev_grp
) {
13024 case LPFC_PCI_DEV_LP
:
13025 lpfc_io_resume_s3(pdev
);
13027 case LPFC_PCI_DEV_OC
:
13028 lpfc_io_resume_s4(pdev
);
13031 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13032 "1429 Invalid PCI device group: 0x%x\n",
13033 phba
->pci_dev_grp
);
13040 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
13041 * @phba: pointer to lpfc hba data structure.
13043 * This routine checks to see if OAS is supported for this adapter. If
13044 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
13045 * the enable oas flag is cleared and the pool created for OAS device data
13050 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
13053 if (!phba
->cfg_EnableXLane
)
13056 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
13060 if (phba
->device_data_mem_pool
)
13061 mempool_destroy(phba
->device_data_mem_pool
);
13062 phba
->device_data_mem_pool
= NULL
;
13069 * lpfc_sli4_ras_init - Verify RAS-FW log is supported by this adapter
13070 * @phba: pointer to lpfc hba data structure.
13072 * This routine checks to see if RAS is supported by the adapter. Check the
13073 * function through which RAS support enablement is to be done.
13076 lpfc_sli4_ras_init(struct lpfc_hba
*phba
)
13078 switch (phba
->pcidev
->device
) {
13079 case PCI_DEVICE_ID_LANCER_G6_FC
:
13080 case PCI_DEVICE_ID_LANCER_G7_FC
:
13081 phba
->ras_fwlog
.ras_hwsupport
= true;
13082 if (phba
->cfg_ras_fwlog_func
== PCI_FUNC(phba
->pcidev
->devfn
) &&
13083 phba
->cfg_ras_fwlog_buffsize
)
13084 phba
->ras_fwlog
.ras_enabled
= true;
13086 phba
->ras_fwlog
.ras_enabled
= false;
13089 phba
->ras_fwlog
.ras_hwsupport
= false;
13094 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
13096 static const struct pci_error_handlers lpfc_err_handler
= {
13097 .error_detected
= lpfc_io_error_detected
,
13098 .slot_reset
= lpfc_io_slot_reset
,
13099 .resume
= lpfc_io_resume
,
13102 static struct pci_driver lpfc_driver
= {
13103 .name
= LPFC_DRIVER_NAME
,
13104 .id_table
= lpfc_id_table
,
13105 .probe
= lpfc_pci_probe_one
,
13106 .remove
= lpfc_pci_remove_one
,
13107 .shutdown
= lpfc_pci_remove_one
,
13108 .suspend
= lpfc_pci_suspend_one
,
13109 .resume
= lpfc_pci_resume_one
,
13110 .err_handler
= &lpfc_err_handler
,
13113 static const struct file_operations lpfc_mgmt_fop
= {
13114 .owner
= THIS_MODULE
,
13117 static struct miscdevice lpfc_mgmt_dev
= {
13118 .minor
= MISC_DYNAMIC_MINOR
,
13119 .name
= "lpfcmgmt",
13120 .fops
= &lpfc_mgmt_fop
,
13124 * lpfc_init - lpfc module initialization routine
13126 * This routine is to be invoked when the lpfc module is loaded into the
13127 * kernel. The special kernel macro module_init() is used to indicate the
13128 * role of this routine to the kernel as lpfc module entry point.
13132 * -ENOMEM - FC attach transport failed
13133 * all others - failed
13140 printk(LPFC_MODULE_DESC
"\n");
13141 printk(LPFC_COPYRIGHT
"\n");
13143 error
= misc_register(&lpfc_mgmt_dev
);
13145 printk(KERN_ERR
"Could not register lpfcmgmt device, "
13146 "misc_register returned with status %d", error
);
13148 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
13149 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
13150 lpfc_transport_template
=
13151 fc_attach_transport(&lpfc_transport_functions
);
13152 if (lpfc_transport_template
== NULL
)
13154 lpfc_vport_transport_template
=
13155 fc_attach_transport(&lpfc_vport_transport_functions
);
13156 if (lpfc_vport_transport_template
== NULL
) {
13157 fc_release_transport(lpfc_transport_template
);
13160 lpfc_nvme_cmd_template();
13161 lpfc_nvmet_cmd_template();
13163 /* Initialize in case vector mapping is needed */
13164 lpfc_present_cpu
= num_present_cpus();
13166 error
= pci_register_driver(&lpfc_driver
);
13168 fc_release_transport(lpfc_transport_template
);
13169 fc_release_transport(lpfc_vport_transport_template
);
13176 * lpfc_exit - lpfc module removal routine
13178 * This routine is invoked when the lpfc module is removed from the kernel.
13179 * The special kernel macro module_exit() is used to indicate the role of
13180 * this routine to the kernel as lpfc module exit point.
13185 misc_deregister(&lpfc_mgmt_dev
);
13186 pci_unregister_driver(&lpfc_driver
);
13187 fc_release_transport(lpfc_transport_template
);
13188 fc_release_transport(lpfc_vport_transport_template
);
13189 if (_dump_buf_data
) {
13190 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
13191 "_dump_buf_data at 0x%p\n",
13192 (1L << _dump_buf_data_order
), _dump_buf_data
);
13193 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
13196 if (_dump_buf_dif
) {
13197 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
13198 "_dump_buf_dif at 0x%p\n",
13199 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
13200 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
13202 idr_destroy(&lpfc_hba_index
);
13205 module_init(lpfc_init
);
13206 module_exit(lpfc_exit
);
13207 MODULE_LICENSE("GPL");
13208 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
13209 MODULE_AUTHOR("Broadcom");
13210 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);