1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/slab.h>
25 #include <linux/interrupt.h>
27 #include <scsi/scsi_device.h>
28 #include <scsi/scsi_transport_fc.h>
29 #include <scsi/scsi.h>
30 #include <scsi/fc/fc_fs.h>
35 #include "lpfc_sli4.h"
37 #include "lpfc_disc.h"
38 #include "lpfc_scsi.h"
40 #include "lpfc_logmsg.h"
41 #include "lpfc_crtn.h"
42 #include "lpfc_compat.h"
45 * lpfc_dump_static_vport - Dump HBA's static vport information.
46 * @phba: pointer to lpfc hba data structure.
47 * @pmb: pointer to the driver internal queue element for mailbox command.
48 * @offset: offset for dumping vport info.
50 * The dump mailbox command provides a method for the device driver to obtain
51 * various types of information from the HBA device.
53 * This routine prepares the mailbox command for dumping list of static
54 * vports to be created.
57 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
61 struct lpfc_dmabuf *mp;
65 /* Setup to dump vport info region */
66 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
67 mb->mbxCommand = MBX_DUMP_MEMORY;
68 mb->un.varDmp.type = DMP_NV_PARAMS;
69 mb->un.varDmp.entry_index = offset;
70 mb->un.varDmp.region_id = DMP_REGION_VPORT;
71 mb->mbxOwner = OWN_HOST;
73 /* For SLI3 HBAs data is embedded in mailbox */
74 if (phba->sli_rev != LPFC_SLI_REV4) {
76 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
80 /* For SLI4 HBAs driver need to allocate memory */
81 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
83 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
85 if (!mp || !mp->virt) {
87 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
88 "2605 lpfc_dump_static_vport: memory"
89 " allocation failed\n");
92 memset(mp->virt, 0, LPFC_BPL_SIZE);
93 INIT_LIST_HEAD(&mp->list);
94 /* save address for completion */
95 pmb->context1 = (uint8_t *)mp;
96 mb->un.varWords[3] = putPaddrLow(mp->phys);
97 mb->un.varWords[4] = putPaddrHigh(mp->phys);
98 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
104 * lpfc_down_link - Bring down HBAs link.
105 * @phba: pointer to lpfc hba data structure.
106 * @pmb: pointer to the driver internal queue element for mailbox command.
108 * This routine prepares a mailbox command to bring down HBA link.
111 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
114 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
116 mb->mbxCommand = MBX_DOWN_LINK;
117 mb->mbxOwner = OWN_HOST;
121 * lpfc_dump_mem - Prepare a mailbox command for reading a region.
122 * @phba: pointer to lpfc hba data structure.
123 * @pmb: pointer to the driver internal queue element for mailbox command.
124 * @offset: offset into the region.
125 * @region_id: config region id.
127 * The dump mailbox command provides a method for the device driver to obtain
128 * various types of information from the HBA device.
130 * This routine prepares the mailbox command for dumping HBA's config region.
133 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
142 /* Setup to dump VPD region */
143 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
144 mb->mbxCommand = MBX_DUMP_MEMORY;
145 mb->un.varDmp.cv = 1;
146 mb->un.varDmp.type = DMP_NV_PARAMS;
147 mb->un.varDmp.entry_index = offset;
148 mb->un.varDmp.region_id = region_id;
149 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
150 mb->un.varDmp.co = 0;
151 mb->un.varDmp.resp_offset = 0;
153 mb->mbxOwner = OWN_HOST;
158 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
159 * @phba: pointer to lpfc hba data structure.
160 * @pmb: pointer to the driver internal queue element for mailbox command.
162 * This function create a dump memory mailbox command to dump wake up
166 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
172 /* Save context so that we can restore after memset */
175 /* Setup to dump VPD region */
176 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
177 mb->mbxCommand = MBX_DUMP_MEMORY;
178 mb->mbxOwner = OWN_HOST;
179 mb->un.varDmp.cv = 1;
180 mb->un.varDmp.type = DMP_NV_PARAMS;
181 mb->un.varDmp.entry_index = 0;
182 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
183 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
184 mb->un.varDmp.co = 0;
185 mb->un.varDmp.resp_offset = 0;
191 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
192 * @phba: pointer to lpfc hba data structure.
193 * @pmb: pointer to the driver internal queue element for mailbox command.
195 * The read NVRAM mailbox command returns the HBA's non-volatile parameters
196 * that are used as defaults when the Fibre Channel link is brought on-line.
198 * This routine prepares the mailbox command for reading information stored
199 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
202 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
207 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
208 mb->mbxCommand = MBX_READ_NV;
209 mb->mbxOwner = OWN_HOST;
214 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
215 * @phba: pointer to lpfc hba data structure.
216 * @pmb: pointer to the driver internal queue element for mailbox command.
217 * @ring: ring number for the asynchronous event to be configured.
219 * The asynchronous event enable mailbox command is used to enable the
220 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
221 * specifies the default ring to which events are posted.
223 * This routine prepares the mailbox command for enabling HBA asynchronous
224 * event support on a IOCB ring.
227 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
233 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
234 mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
235 mb->un.varCfgAsyncEvent.ring = ring;
236 mb->mbxOwner = OWN_HOST;
241 * lpfc_heart_beat - Prepare a mailbox command for heart beat
242 * @phba: pointer to lpfc hba data structure.
243 * @pmb: pointer to the driver internal queue element for mailbox command.
245 * The heart beat mailbox command is used to detect an unresponsive HBA, which
246 * is defined as any device where no error attention is sent and both mailbox
247 * and rings are not processed.
249 * This routine prepares the mailbox command for issuing a heart beat in the
250 * form of mailbox command to the HBA. The timely completion of the heart
251 * beat mailbox command indicates the health of the HBA.
254 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
259 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
260 mb->mbxCommand = MBX_HEARTBEAT;
261 mb->mbxOwner = OWN_HOST;
266 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology
267 * @phba: pointer to lpfc hba data structure.
268 * @pmb: pointer to the driver internal queue element for mailbox command.
269 * @mp: DMA buffer memory for reading the link attention information into.
271 * The read topology mailbox command is issued to read the link topology
272 * information indicated by the HBA port when the Link Event bit of the Host
273 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link
274 * Attention ACQE is received from the port (For SLI-4). A Link Event
275 * Attention occurs based on an exception detected at the Fibre Channel link
278 * This routine prepares the mailbox command for reading HBA link topology
279 * information. A DMA memory has been set aside and address passed to the
280 * HBA through @mp for the HBA to DMA link attention information into the
281 * memory as part of the execution of the mailbox command.
284 * 0 - Success (currently always return 0)
287 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
288 struct lpfc_dmabuf *mp)
291 struct lpfc_sli *psli;
295 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
297 INIT_LIST_HEAD(&mp->list);
298 mb->mbxCommand = MBX_READ_TOPOLOGY;
299 mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE;
300 mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
301 mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys);
303 /* Save address for later completion and set the owner to host so that
304 * the FW knows this mailbox is available for processing.
306 pmb->context1 = (uint8_t *)mp;
307 mb->mbxOwner = OWN_HOST;
312 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
313 * @phba: pointer to lpfc hba data structure.
314 * @pmb: pointer to the driver internal queue element for mailbox command.
316 * The clear link attention mailbox command is issued to clear the link event
317 * attention condition indicated by the Link Event bit of the Host Attention
318 * (HSTATT) register. The link event attention condition is cleared only if
319 * the event tag specified matches that of the current link event counter.
320 * The current event tag is read using the read link attention event mailbox
323 * This routine prepares the mailbox command for clearing HBA link attention
327 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
332 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
334 mb->un.varClearLA.eventTag = phba->fc_eventTag;
335 mb->mbxCommand = MBX_CLEAR_LA;
336 mb->mbxOwner = OWN_HOST;
341 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
342 * @phba: pointer to lpfc hba data structure.
343 * @pmb: pointer to the driver internal queue element for mailbox command.
345 * The configure link mailbox command is used before the initialize link
346 * mailbox command to override default value and to configure link-oriented
347 * parameters such as DID address and various timers. Typically, this
348 * command would be used after an F_Port login to set the returned DID address
349 * and the fabric timeout values. This command is not valid before a configure
350 * port command has configured the HBA port.
352 * This routine prepares the mailbox command for configuring link on a HBA.
355 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
357 struct lpfc_vport *vport = phba->pport;
358 MAILBOX_t *mb = &pmb->u.mb;
359 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
362 * SLI-2, Coalescing Response Feature.
364 if (phba->cfg_cr_delay) {
365 mb->un.varCfgLnk.cr = 1;
366 mb->un.varCfgLnk.ci = 1;
367 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
368 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
371 mb->un.varCfgLnk.myId = vport->fc_myDID;
372 mb->un.varCfgLnk.edtov = phba->fc_edtov;
373 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
374 mb->un.varCfgLnk.ratov = phba->fc_ratov;
375 mb->un.varCfgLnk.rttov = phba->fc_rttov;
376 mb->un.varCfgLnk.altov = phba->fc_altov;
377 mb->un.varCfgLnk.crtov = phba->fc_crtov;
378 mb->un.varCfgLnk.citov = phba->fc_citov;
381 mb->un.varCfgLnk.ack0_enable = 1;
383 mb->mbxCommand = MBX_CONFIG_LINK;
384 mb->mbxOwner = OWN_HOST;
389 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
390 * @phba: pointer to lpfc hba data structure.
391 * @pmb: pointer to the driver internal queue element for mailbox command.
393 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
394 * MSI-X multi-message interrupt vector association to interrupt attention
402 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
404 MAILBOX_t *mb = &pmb->u.mb;
405 uint32_t attentionConditions[2];
408 if (phba->cfg_use_msi != 2) {
409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
410 "0475 Not configured for supporting MSI-X "
411 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
415 if (phba->sli_rev < 3) {
416 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
417 "0476 HBA not supporting SLI-3 or later "
418 "SLI Revision: 0x%x\n", phba->sli_rev);
422 /* Clear mailbox command fields */
423 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
426 * SLI-3, Message Signaled Interrupt Fearure.
429 /* Multi-message attention configuration */
430 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
432 attentionConditions[1] = 0;
434 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
435 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
438 * Set up message number to HA bit association
440 #ifdef __BIG_ENDIAN_BITFIELD
442 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
443 /* RA1 (Other Protocol Extra Ring) */
444 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
445 #else /* __LITTLE_ENDIAN_BITFIELD */
447 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
448 /* RA1 (Other Protocol Extra Ring) */
449 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
451 /* Multi-message interrupt autoclear configuration*/
452 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
453 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
455 /* For now, HBA autoclear does not work reliably, disable it */
456 mb->un.varCfgMSI.autoClearHA[0] = 0;
457 mb->un.varCfgMSI.autoClearHA[1] = 0;
459 /* Set command and owner bit */
460 mb->mbxCommand = MBX_CONFIG_MSI;
461 mb->mbxOwner = OWN_HOST;
467 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
468 * @phba: pointer to lpfc hba data structure.
469 * @pmb: pointer to the driver internal queue element for mailbox command.
470 * @topology: the link topology for the link to be initialized to.
471 * @linkspeed: the link speed for the link to be initialized to.
473 * The initialize link mailbox command is used to initialize the Fibre
474 * Channel link. This command must follow a configure port command that
475 * establishes the mode of operation.
477 * This routine prepares the mailbox command for initializing link on a HBA
478 * with the specified link topology and speed.
481 lpfc_init_link(struct lpfc_hba * phba,
482 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
485 struct lpfc_sli *psli;
489 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
493 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
494 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
495 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
497 case FLAGS_TOPOLOGY_MODE_PT_PT:
498 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
500 case FLAGS_TOPOLOGY_MODE_LOOP:
501 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
503 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
504 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
505 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
508 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
512 /* Enable asynchronous ABTS responses from firmware */
513 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
516 * Setting up the link speed
519 if (vpd->rev.feaLevelHigh >= 0x02){
521 case LPFC_USER_LINK_SPEED_1G:
522 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
523 mb->un.varInitLnk.link_speed = LINK_SPEED_1G;
525 case LPFC_USER_LINK_SPEED_2G:
526 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
527 mb->un.varInitLnk.link_speed = LINK_SPEED_2G;
529 case LPFC_USER_LINK_SPEED_4G:
530 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
531 mb->un.varInitLnk.link_speed = LINK_SPEED_4G;
533 case LPFC_USER_LINK_SPEED_8G:
534 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
535 mb->un.varInitLnk.link_speed = LINK_SPEED_8G;
537 case LPFC_USER_LINK_SPEED_10G:
538 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
539 mb->un.varInitLnk.link_speed = LINK_SPEED_10G;
541 case LPFC_USER_LINK_SPEED_16G:
542 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
543 mb->un.varInitLnk.link_speed = LINK_SPEED_16G;
545 case LPFC_USER_LINK_SPEED_AUTO:
547 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
553 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
555 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
556 mb->mbxOwner = OWN_HOST;
557 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
562 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
563 * @phba: pointer to lpfc hba data structure.
564 * @pmb: pointer to the driver internal queue element for mailbox command.
565 * @vpi: virtual N_Port identifier.
567 * The read service parameter mailbox command is used to read the HBA port
568 * service parameters. The service parameters are read into the buffer
569 * specified directly by a BDE in the mailbox command. These service
570 * parameters may then be used to build the payload of an N_Port/F_POrt
571 * login request and reply (LOGI/ACC).
573 * This routine prepares the mailbox command for reading HBA port service
574 * parameters. The DMA memory is allocated in this function and the addresses
575 * are populated into the mailbox command for the HBA to DMA the service
580 * 1 - DMA memory allocation failed
583 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
585 struct lpfc_dmabuf *mp;
587 struct lpfc_sli *psli;
591 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
593 mb->mbxOwner = OWN_HOST;
595 /* Get a buffer to hold the HBAs Service Parameters */
597 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
599 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
600 if (!mp || !mp->virt) {
602 mb->mbxCommand = MBX_READ_SPARM64;
603 /* READ_SPARAM: no buffers */
604 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
605 "0301 READ_SPARAM: no buffers\n");
608 INIT_LIST_HEAD(&mp->list);
609 mb->mbxCommand = MBX_READ_SPARM64;
610 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
611 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
612 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
613 if (phba->sli_rev >= LPFC_SLI_REV3)
614 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi];
616 /* save address for completion */
623 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
624 * @phba: pointer to lpfc hba data structure.
625 * @vpi: virtual N_Port identifier.
626 * @did: remote port identifier.
627 * @pmb: pointer to the driver internal queue element for mailbox command.
629 * The unregister DID mailbox command is used to unregister an N_Port/F_Port
630 * login for an unknown RPI by specifying the DID of a remote port. This
631 * command frees an RPI context in the HBA port. This has the effect of
632 * performing an implicit N_Port/F_Port logout.
634 * This routine prepares the mailbox command for unregistering a remote
635 * N_Port/F_Port (DID) login.
638 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
644 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
646 mb->un.varUnregDID.did = did;
647 mb->un.varUnregDID.vpi = vpi;
648 if ((vpi != 0xffff) &&
649 (phba->sli_rev == LPFC_SLI_REV4))
650 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi];
652 mb->mbxCommand = MBX_UNREG_D_ID;
653 mb->mbxOwner = OWN_HOST;
658 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
659 * @phba: pointer to lpfc hba data structure.
660 * @pmb: pointer to the driver internal queue element for mailbox command.
662 * The read configuration mailbox command is used to read the HBA port
663 * configuration parameters. This mailbox command provides a method for
664 * seeing any parameters that may have changed via various configuration
667 * This routine prepares the mailbox command for reading out HBA configuration
671 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
676 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
678 mb->mbxCommand = MBX_READ_CONFIG;
679 mb->mbxOwner = OWN_HOST;
684 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
685 * @phba: pointer to lpfc hba data structure.
686 * @pmb: pointer to the driver internal queue element for mailbox command.
688 * The read link status mailbox command is used to read the link status from
689 * the HBA. Link status includes all link-related error counters. These
690 * counters are maintained by the HBA and originated in the link hardware
691 * unit. Note that all of these counters wrap.
693 * This routine prepares the mailbox command for reading out HBA link status.
696 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
701 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
703 mb->mbxCommand = MBX_READ_LNK_STAT;
704 mb->mbxOwner = OWN_HOST;
709 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
710 * @phba: pointer to lpfc hba data structure.
711 * @vpi: virtual N_Port identifier.
712 * @did: remote port identifier.
713 * @param: pointer to memory holding the server parameters.
714 * @pmb: pointer to the driver internal queue element for mailbox command.
715 * @rpi: the rpi to use in the registration (usually only used for SLI4.
717 * The registration login mailbox command is used to register an N_Port or
718 * F_Port login. This registration allows the HBA to cache the remote N_Port
719 * service parameters internally and thereby make the appropriate FC-2
720 * decisions. The remote port service parameters are handed off by the driver
721 * to the HBA using a descriptor entry that directly identifies a buffer in
722 * host memory. In exchange, the HBA returns an RPI identifier.
724 * This routine prepares the mailbox command for registering remote port login.
725 * The function allocates DMA buffer for passing the service parameters to the
726 * HBA with the mailbox command.
730 * 1 - DMA memory allocation failed
733 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
734 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi)
736 MAILBOX_t *mb = &pmb->u.mb;
738 struct lpfc_dmabuf *mp;
740 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
742 mb->un.varRegLogin.rpi = 0;
743 if (phba->sli_rev == LPFC_SLI_REV4)
744 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi];
745 if (phba->sli_rev >= LPFC_SLI_REV3)
746 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi];
747 mb->un.varRegLogin.did = did;
748 mb->mbxOwner = OWN_HOST;
749 /* Get a buffer to hold NPorts Service Parameters */
750 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
752 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
753 if (!mp || !mp->virt) {
755 mb->mbxCommand = MBX_REG_LOGIN64;
756 /* REG_LOGIN: no buffers */
757 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
758 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
759 "rpi x%x\n", vpi, did, rpi);
762 INIT_LIST_HEAD(&mp->list);
765 /* Copy param's into a new buffer */
766 memcpy(sparam, param, sizeof (struct serv_parm));
768 /* save address for completion */
769 pmb->context1 = (uint8_t *) mp;
771 mb->mbxCommand = MBX_REG_LOGIN64;
772 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
773 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
774 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
780 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
781 * @phba: pointer to lpfc hba data structure.
782 * @vpi: virtual N_Port identifier.
783 * @rpi: remote port identifier
784 * @pmb: pointer to the driver internal queue element for mailbox command.
786 * The unregistration login mailbox command is used to unregister an N_Port
787 * or F_Port login. This command frees an RPI context in the HBA. It has the
788 * effect of performing an implicit N_Port/F_Port logout.
790 * This routine prepares the mailbox command for unregistering remote port
793 * For SLI4 ports, the rpi passed to this function must be the physical
794 * rpi value, not the logical index.
797 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
803 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
805 mb->un.varUnregLogin.rpi = rpi;
806 mb->un.varUnregLogin.rsvd1 = 0;
807 if (phba->sli_rev >= LPFC_SLI_REV3)
808 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi];
810 mb->mbxCommand = MBX_UNREG_LOGIN;
811 mb->mbxOwner = OWN_HOST;
817 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
818 * @vport: pointer to a vport object.
820 * This routine sends mailbox command to unregister all active RPIs for
824 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
826 struct lpfc_hba *phba = vport->phba;
830 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
833 * For SLI4 functions, the rpi field is overloaded for
834 * the vport context unreg all. This routine passes
835 * 0 for the rpi field in lpfc_unreg_login for compatibility
836 * with SLI3 and then overrides the rpi field with the
837 * expected value for SLI4.
839 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi],
841 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000;
843 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
844 mbox->context1 = NULL;
845 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
846 if (rc == MBX_NOT_FINISHED)
847 mempool_free(mbox, phba->mbox_mem_pool);
852 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
853 * @phba: pointer to lpfc hba data structure.
854 * @vpi: virtual N_Port identifier.
855 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
856 * @pmb: pointer to the driver internal queue element for mailbox command.
858 * The registration vport identifier mailbox command is used to activate a
859 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
860 * N_Port_ID against the information in the selected virtual N_Port context
861 * block and marks it active to allow normal processing of IOCB commands and
862 * received unsolicited exchanges.
864 * This routine prepares the mailbox command for registering a virtual N_Port.
867 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
869 MAILBOX_t *mb = &pmb->u.mb;
870 struct lpfc_hba *phba = vport->phba;
872 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
874 * Set the re-reg VPI bit for f/w to update the MAC address.
876 if ((phba->sli_rev == LPFC_SLI_REV4) &&
877 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
878 mb->un.varRegVpi.upd = 1;
880 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi];
881 mb->un.varRegVpi.sid = vport->fc_myDID;
882 if (phba->sli_rev == LPFC_SLI_REV4)
883 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi];
885 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
886 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
887 sizeof(struct lpfc_name));
888 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
889 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
891 mb->mbxCommand = MBX_REG_VPI;
892 mb->mbxOwner = OWN_HOST;
898 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
899 * @phba: pointer to lpfc hba data structure.
900 * @vpi: virtual N_Port identifier.
901 * @pmb: pointer to the driver internal queue element for mailbox command.
903 * The unregistration vport identifier mailbox command is used to inactivate
904 * a virtual N_Port. The driver must have logged out and unregistered all
905 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
906 * unregisters any default RPIs associated with the specified vpi, aborting
907 * any active exchanges. The HBA will post the mailbox response after making
908 * the virtual N_Port inactive.
910 * This routine prepares the mailbox command for unregistering a virtual
914 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
916 MAILBOX_t *mb = &pmb->u.mb;
917 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
919 if (phba->sli_rev == LPFC_SLI_REV3)
920 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi];
921 else if (phba->sli_rev >= LPFC_SLI_REV4)
922 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi];
924 mb->mbxCommand = MBX_UNREG_VPI;
925 mb->mbxOwner = OWN_HOST;
931 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
932 * @phba: pointer to lpfc hba data structure.
934 * This routine sets up and initializes the IOCB rings in the Port Control
938 lpfc_config_pcb_setup(struct lpfc_hba * phba)
940 struct lpfc_sli *psli = &phba->sli;
941 struct lpfc_sli_ring *pring;
942 PCB_t *pcbp = phba->pcb;
943 dma_addr_t pdma_addr;
945 uint32_t iocbCnt = 0;
948 pcbp->maxRing = (psli->num_rings - 1);
950 for (i = 0; i < psli->num_rings; i++) {
951 pring = &psli->ring[i];
953 pring->sli.sli3.sizeCiocb =
954 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE :
956 pring->sli.sli3.sizeRiocb =
957 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE :
959 /* A ring MUST have both cmd and rsp entries defined to be
961 if ((pring->sli.sli3.numCiocb == 0) ||
962 (pring->sli.sli3.numRiocb == 0)) {
963 pcbp->rdsc[i].cmdEntries = 0;
964 pcbp->rdsc[i].rspEntries = 0;
965 pcbp->rdsc[i].cmdAddrHigh = 0;
966 pcbp->rdsc[i].rspAddrHigh = 0;
967 pcbp->rdsc[i].cmdAddrLow = 0;
968 pcbp->rdsc[i].rspAddrLow = 0;
969 pring->sli.sli3.cmdringaddr = NULL;
970 pring->sli.sli3.rspringaddr = NULL;
973 /* Command ring setup for ring */
974 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
975 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb;
977 offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
978 (uint8_t *) phba->slim2p.virt;
979 pdma_addr = phba->slim2p.phys + offset;
980 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
981 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
982 iocbCnt += pring->sli.sli3.numCiocb;
984 /* Response ring setup for ring */
985 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt];
987 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb;
988 offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
989 (uint8_t *)phba->slim2p.virt;
990 pdma_addr = phba->slim2p.phys + offset;
991 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
992 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
993 iocbCnt += pring->sli.sli3.numRiocb;
998 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
999 * @phba: pointer to lpfc hba data structure.
1000 * @pmb: pointer to the driver internal queue element for mailbox command.
1002 * The read revision mailbox command is used to read the revision levels of
1003 * the HBA components. These components include hardware units, resident
1004 * firmware, and available firmware. HBAs that supports SLI-3 mode of
1005 * operation provide different response information depending on the version
1006 * requested by the driver.
1008 * This routine prepares the mailbox command for reading HBA revision
1012 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1014 MAILBOX_t *mb = &pmb->u.mb;
1015 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1016 mb->un.varRdRev.cv = 1;
1017 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
1018 mb->mbxCommand = MBX_READ_REV;
1019 mb->mbxOwner = OWN_HOST;
1024 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1026 MAILBOX_t *mb = &pmb->u.mb;
1027 struct lpfc_mqe *mqe;
1029 switch (mb->mbxCommand) {
1032 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
1033 mqe->un.read_rev.fw_name, 16);
1034 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
1035 mqe->un.read_rev.ulp_fw_name, 16);
1044 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
1045 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1046 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1048 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
1049 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
1050 * the Sequence Length Test using the fields in the Selection Profile 2
1051 * extension in words 20:31.
1054 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
1055 struct lpfc_hbq_init *hbq_desc)
1057 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
1058 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen;
1059 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff;
1063 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
1064 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1065 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1067 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
1068 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
1069 * the Sequence Length Test and Byte Field Test using the fields in the
1070 * Selection Profile 3 extension in words 20:31.
1073 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
1074 struct lpfc_hbq_init *hbq_desc)
1076 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
1077 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen;
1078 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
1079 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff;
1080 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
1081 sizeof(hbqmb->profiles.profile3.cmdmatch));
1085 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
1086 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1087 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1089 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
1090 * HBA tests the initial frame of an incoming sequence using the frame's
1091 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
1092 * and Byte Field Test using the fields in the Selection Profile 5 extension
1096 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
1097 struct lpfc_hbq_init *hbq_desc)
1099 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
1100 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen;
1101 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
1102 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff;
1103 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
1104 sizeof(hbqmb->profiles.profile5.cmdmatch));
1108 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
1109 * @phba: pointer to lpfc hba data structure.
1110 * @id: HBQ identifier.
1111 * @hbq_desc: pointer to the HBA descriptor data structure.
1112 * @hbq_entry_index: index of the HBQ entry data structures.
1113 * @pmb: pointer to the driver internal queue element for mailbox command.
1115 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
1116 * an HBQ. The configuration binds events that require buffers to a particular
1117 * ring and HBQ based on a selection profile.
1119 * This routine prepares the mailbox command for configuring an HBQ.
1122 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
1123 struct lpfc_hbq_init *hbq_desc,
1124 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
1127 MAILBOX_t *mb = &pmb->u.mb;
1128 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
1130 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1132 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */
1133 hbqmb->recvNotify = hbq_desc->rn; /* Receive
1135 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks
1136 * # in words 0-19 */
1137 hbqmb->profile = hbq_desc->profile; /* Selection profile:
1140 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring
1143 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4
1145 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this
1149 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
1150 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
1151 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
1153 mb->mbxCommand = MBX_CONFIG_HBQ;
1154 mb->mbxOwner = OWN_HOST;
1156 /* Copy info for profiles 2,3,5. Other
1157 * profiles this area is reserved
1159 if (hbq_desc->profile == 2)
1160 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
1161 else if (hbq_desc->profile == 3)
1162 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
1163 else if (hbq_desc->profile == 5)
1164 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
1166 /* Return if no rctl / type masks for this HBQ */
1167 if (!hbq_desc->mask_count)
1170 /* Otherwise we setup specific rctl / type masks for this HBQ */
1171 for (i = 0; i < hbq_desc->mask_count; i++) {
1172 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
1173 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask;
1174 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
1175 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask;
1182 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
1183 * @phba: pointer to lpfc hba data structure.
1185 * @pmb: pointer to the driver internal queue element for mailbox command.
1187 * The configure ring mailbox command is used to configure an IOCB ring. This
1188 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
1189 * ring. This is used to map incoming sequences to a particular ring whose
1190 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
1191 * attempt to configure a ring whose number is greater than the number
1192 * specified in the Port Control Block (PCB). It is an error to issue the
1193 * configure ring command more than once with the same ring number. The HBA
1194 * returns an error if the driver attempts this.
1196 * This routine prepares the mailbox command for configuring IOCB ring.
1199 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
1202 MAILBOX_t *mb = &pmb->u.mb;
1203 struct lpfc_sli *psli;
1204 struct lpfc_sli_ring *pring;
1206 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1208 mb->un.varCfgRing.ring = ring;
1209 mb->un.varCfgRing.maxOrigXchg = 0;
1210 mb->un.varCfgRing.maxRespXchg = 0;
1211 mb->un.varCfgRing.recvNotify = 1;
1214 pring = &psli->ring[ring];
1215 mb->un.varCfgRing.numMask = pring->num_mask;
1216 mb->mbxCommand = MBX_CONFIG_RING;
1217 mb->mbxOwner = OWN_HOST;
1219 /* Is this ring configured for a specific profile */
1220 if (pring->prt[0].profile) {
1221 mb->un.varCfgRing.profile = pring->prt[0].profile;
1225 /* Otherwise we setup specific rctl / type masks for this ring */
1226 for (i = 0; i < pring->num_mask; i++) {
1227 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
1228 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
1229 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
1231 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
1232 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
1233 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
1240 * lpfc_config_port - Prepare a mailbox command for configuring port
1241 * @phba: pointer to lpfc hba data structure.
1242 * @pmb: pointer to the driver internal queue element for mailbox command.
1244 * The configure port mailbox command is used to identify the Port Control
1245 * Block (PCB) in the driver memory. After this command is issued, the
1246 * driver must not access the mailbox in the HBA without first resetting
1247 * the HBA. The HBA may copy the PCB information to internal storage for
1248 * subsequent use; the driver can not change the PCB information unless it
1251 * This routine prepares the mailbox command for configuring port.
1254 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1256 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
1257 MAILBOX_t *mb = &pmb->u.mb;
1258 dma_addr_t pdma_addr;
1259 uint32_t bar_low, bar_high;
1261 struct lpfc_hgp hgp;
1263 uint32_t pgp_offset;
1265 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1266 mb->mbxCommand = MBX_CONFIG_PORT;
1267 mb->mbxOwner = OWN_HOST;
1269 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
1271 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
1272 pdma_addr = phba->slim2p.phys + offset;
1273 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
1274 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
1276 /* Always Host Group Pointer is in SLIM */
1277 mb->un.varCfgPort.hps = 1;
1279 /* If HBA supports SLI=3 ask for it */
1281 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
1282 if (phba->cfg_enable_bg)
1283 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
1284 if (phba->cfg_enable_dss)
1285 mb->un.varCfgPort.cdss = 1; /* Configure Security */
1286 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
1287 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
1288 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
1289 if (phba->max_vpi && phba->cfg_enable_npiv &&
1290 phba->vpd.sli3Feat.cmv) {
1291 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
1292 mb->un.varCfgPort.cmv = 1;
1294 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
1296 phba->sli_rev = LPFC_SLI_REV2;
1297 mb->un.varCfgPort.sli_mode = phba->sli_rev;
1299 /* If this is an SLI3 port, configure async status notification. */
1300 if (phba->sli_rev == LPFC_SLI_REV3)
1301 mb->un.varCfgPort.casabt = 1;
1304 phba->pcb->type = TYPE_NATIVE_SLI2;
1305 phba->pcb->feature = FEATURE_INITIAL_SLI2;
1307 /* Setup Mailbox pointers */
1308 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
1309 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
1310 pdma_addr = phba->slim2p.phys + offset;
1311 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
1312 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
1315 * Setup Host Group ring pointer.
1317 * For efficiency reasons, the ring get/put pointers can be
1318 * placed in adapter memory (SLIM) rather than in host memory.
1319 * This allows firmware to avoid PCI reads/writes when updating
1320 * and checking pointers.
1322 * The firmware recognizes the use of SLIM memory by comparing
1323 * the address of the get/put pointers structure with that of
1324 * the SLIM BAR (BAR0).
1326 * Caution: be sure to use the PCI config space value of BAR0/BAR1
1327 * (the hardware's view of the base address), not the OS's
1328 * value of pci_resource_start() as the OS value may be a cookie
1329 * for ioremap/iomap.
1333 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
1334 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
1337 * Set up HGP - Port Memory
1339 * The port expects the host get/put pointers to reside in memory
1340 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
1341 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved
1342 * words (0x40 bytes). This area is not reserved if HBQs are
1343 * configured in SLI-3.
1345 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
1354 * Reserved 0xa0-0xbf
1355 * If HBQs configured:
1356 * HBQ 0 Put ptr 0xc0
1357 * HBQ 1 Put ptr 0xc4
1358 * HBQ 2 Put ptr 0xc8
1360 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4
1364 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
1365 phba->host_gp = &phba->mbox->us.s2.host[0];
1366 phba->hbq_put = NULL;
1367 offset = (uint8_t *)&phba->mbox->us.s2.host -
1368 (uint8_t *)phba->slim2p.virt;
1369 pdma_addr = phba->slim2p.phys + offset;
1370 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
1371 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
1373 /* Always Host Group Pointer is in SLIM */
1374 mb->un.varCfgPort.hps = 1;
1376 if (phba->sli_rev == 3) {
1377 phba->host_gp = &mb_slim->us.s3.host[0];
1378 phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
1380 phba->host_gp = &mb_slim->us.s2.host[0];
1381 phba->hbq_put = NULL;
1384 /* mask off BAR0's flag bits 0 - 3 */
1385 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
1386 (void __iomem *)phba->host_gp -
1387 (void __iomem *)phba->MBslimaddr;
1388 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
1389 phba->pcb->hgpAddrHigh = bar_high;
1391 phba->pcb->hgpAddrHigh = 0;
1392 /* write HGP data to SLIM at the required longword offset */
1393 memset(&hgp, 0, sizeof(struct lpfc_hgp));
1395 for (i = 0; i < phba->sli.num_rings; i++) {
1396 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
1397 sizeof(*phba->host_gp));
1401 /* Setup Port Group offset */
1402 if (phba->sli_rev == 3)
1403 pgp_offset = offsetof(struct lpfc_sli2_slim,
1404 mbx.us.s3_pgp.port);
1406 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
1407 pdma_addr = phba->slim2p.phys + pgp_offset;
1408 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
1409 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
1411 /* Use callback routine to setp rings in the pcb */
1412 lpfc_config_pcb_setup(phba);
1414 /* special handling for LC HBAs */
1415 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
1416 uint32_t hbainit[5];
1418 lpfc_hba_init(phba, hbainit);
1420 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
1423 /* Swap PCB if needed */
1424 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
1428 * lpfc_kill_board - Prepare a mailbox command for killing board
1429 * @phba: pointer to lpfc hba data structure.
1430 * @pmb: pointer to the driver internal queue element for mailbox command.
1432 * The kill board mailbox command is used to tell firmware to perform a
1433 * graceful shutdown of a channel on a specified board to prepare for reset.
1434 * When the kill board mailbox command is received, the ER3 bit is set to 1
1435 * in the Host Status register and the ER Attention bit is set to 1 in the
1436 * Host Attention register of the HBA function that received the kill board
1439 * This routine prepares the mailbox command for killing the board in
1440 * preparation for a graceful shutdown.
1443 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1445 MAILBOX_t *mb = &pmb->u.mb;
1447 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1448 mb->mbxCommand = MBX_KILL_BOARD;
1449 mb->mbxOwner = OWN_HOST;
1454 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
1455 * @phba: pointer to lpfc hba data structure.
1456 * @mbq: pointer to the driver internal queue element for mailbox command.
1458 * Driver maintains a internal mailbox command queue implemented as a linked
1459 * list. When a mailbox command is issued, it shall be put into the mailbox
1460 * command queue such that they shall be processed orderly as HBA can process
1461 * one mailbox command at a time.
1464 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
1466 struct lpfc_sli *psli;
1470 list_add_tail(&mbq->list, &psli->mboxq);
1478 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
1479 * @phba: pointer to lpfc hba data structure.
1481 * Driver maintains a internal mailbox command queue implemented as a linked
1482 * list. When a mailbox command is issued, it shall be put into the mailbox
1483 * command queue such that they shall be processed orderly as HBA can process
1484 * one mailbox command at a time. After HBA finished processing a mailbox
1485 * command, the driver will remove a pending mailbox command from the head of
1486 * the mailbox command queue and send to the HBA for processing.
1489 * pointer to the driver internal queue element for mailbox command.
1492 lpfc_mbox_get(struct lpfc_hba * phba)
1494 LPFC_MBOXQ_t *mbq = NULL;
1495 struct lpfc_sli *psli = &phba->sli;
1497 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
1505 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
1506 * @phba: pointer to lpfc hba data structure.
1507 * @mbq: pointer to the driver internal queue element for mailbox command.
1509 * This routine put the completed mailbox command into the mailbox command
1510 * complete list. This is the unlocked version of the routine. The mailbox
1511 * complete list is used by the driver worker thread to process mailbox
1512 * complete callback functions outside the driver interrupt handler.
1515 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1517 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
1521 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
1522 * @phba: pointer to lpfc hba data structure.
1523 * @mbq: pointer to the driver internal queue element for mailbox command.
1525 * This routine put the completed mailbox command into the mailbox command
1526 * complete list. This is the locked version of the routine. The mailbox
1527 * complete list is used by the driver worker thread to process mailbox
1528 * complete callback functions outside the driver interrupt handler.
1531 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1533 unsigned long iflag;
1535 /* This function expects to be called from interrupt context */
1536 spin_lock_irqsave(&phba->hbalock, iflag);
1537 __lpfc_mbox_cmpl_put(phba, mbq);
1538 spin_unlock_irqrestore(&phba->hbalock, iflag);
1543 * lpfc_mbox_cmd_check - Check the validality of a mailbox command
1544 * @phba: pointer to lpfc hba data structure.
1545 * @mboxq: pointer to the driver internal queue element for mailbox command.
1547 * This routine is to check whether a mailbox command is valid to be issued.
1548 * This check will be performed by both the mailbox issue API when a client
1549 * is to issue a mailbox command to the mailbox transport.
1551 * Return 0 - pass the check, -ENODEV - fail the check
1554 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1556 /* Mailbox command that have a completion handler must also have a
1559 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
1560 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
1561 if (!mboxq->vport) {
1562 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
1563 "1814 Mbox x%x failed, no vport\n",
1564 mboxq->u.mb.mbxCommand);
1573 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
1574 * @phba: pointer to lpfc hba data structure.
1576 * This routine is to check whether the HBA device is ready for posting a
1577 * mailbox command. It is used by the mailbox transport API at the time the
1578 * to post a mailbox command to the device.
1580 * Return 0 - pass the check, -ENODEV - fail the check
1583 lpfc_mbox_dev_check(struct lpfc_hba *phba)
1585 /* If the PCI channel is in offline state, do not issue mbox */
1586 if (unlikely(pci_channel_offline(phba->pcidev)))
1589 /* If the HBA is in error state, do not issue mbox */
1590 if (phba->link_state == LPFC_HBA_ERROR)
1597 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
1598 * @phba: pointer to lpfc hba data structure.
1599 * @cmd: mailbox command code.
1601 * This routine retrieves the proper timeout value according to the mailbox
1605 * Timeout value to be used for the given mailbox command
1608 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1610 MAILBOX_t *mbox = &mboxq->u.mb;
1611 uint8_t subsys, opcode;
1613 switch (mbox->mbxCommand) {
1614 case MBX_WRITE_NV: /* 0x03 */
1615 case MBX_DUMP_MEMORY: /* 0x17 */
1616 case MBX_UPDATE_CFG: /* 0x1B */
1617 case MBX_DOWN_LOAD: /* 0x1C */
1618 case MBX_DEL_LD_ENTRY: /* 0x1D */
1619 case MBX_WRITE_VPARMS: /* 0x32 */
1620 case MBX_LOAD_AREA: /* 0x81 */
1621 case MBX_WRITE_WWN: /* 0x98 */
1622 case MBX_LOAD_EXP_ROM: /* 0x9C */
1623 case MBX_ACCESS_VDATA: /* 0xA5 */
1624 return LPFC_MBOX_TMO_FLASH_CMD;
1625 case MBX_SLI4_CONFIG: /* 0x9b */
1626 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
1627 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
1628 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
1630 case LPFC_MBOX_OPCODE_READ_OBJECT:
1631 case LPFC_MBOX_OPCODE_WRITE_OBJECT:
1632 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
1633 case LPFC_MBOX_OPCODE_DELETE_OBJECT:
1634 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
1635 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
1636 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG:
1637 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
1638 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
1639 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES:
1640 case LPFC_MBOX_OPCODE_SEND_ACTIVATION:
1641 case LPFC_MBOX_OPCODE_RESET_LICENSES:
1642 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG:
1643 case LPFC_MBOX_OPCODE_GET_VPD_DATA:
1644 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG:
1645 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1648 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
1650 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
1651 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1654 return LPFC_MBOX_SLI4_CONFIG_TMO;
1656 return LPFC_MBOX_TMO;
1660 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
1661 * @mbox: pointer to lpfc mbox command.
1662 * @sgentry: sge entry index.
1663 * @phyaddr: physical address for the sge
1664 * @length: Length of the sge.
1666 * This routine sets up an entry in the non-embedded mailbox command at the sge
1670 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
1671 dma_addr_t phyaddr, uint32_t length)
1673 struct lpfc_mbx_nembed_cmd *nembed_sge;
1675 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1676 &mbox->u.mqe.un.nembed_cmd;
1677 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
1678 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
1679 nembed_sge->sge[sgentry].length = length;
1683 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
1684 * @mbox: pointer to lpfc mbox command.
1685 * @sgentry: sge entry index.
1687 * This routine gets an entry from the non-embedded mailbox command at the sge
1691 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
1692 struct lpfc_mbx_sge *sge)
1694 struct lpfc_mbx_nembed_cmd *nembed_sge;
1696 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1697 &mbox->u.mqe.un.nembed_cmd;
1698 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
1699 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
1700 sge->length = nembed_sge->sge[sgentry].length;
1704 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
1705 * @phba: pointer to lpfc hba data structure.
1706 * @mbox: pointer to lpfc mbox command.
1708 * This routine frees SLI4 specific mailbox command for sending IOCTL command.
1711 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1713 struct lpfc_mbx_sli4_config *sli4_cfg;
1714 struct lpfc_mbx_sge sge;
1716 uint32_t sgecount, sgentry;
1718 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1720 /* For embedded mbox command, just free the mbox command */
1721 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1722 mempool_free(mbox, phba->mbox_mem_pool);
1726 /* For non-embedded mbox command, we need to free the pages first */
1727 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
1728 /* There is nothing we can do if there is no sge address array */
1729 if (unlikely(!mbox->sge_array)) {
1730 mempool_free(mbox, phba->mbox_mem_pool);
1733 /* Each non-embedded DMA memory was allocated in the length of a page */
1734 for (sgentry = 0; sgentry < sgecount; sgentry++) {
1735 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
1736 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
1737 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
1738 mbox->sge_array->addr[sgentry], phyaddr);
1740 /* Free the sge address array memory */
1741 kfree(mbox->sge_array);
1742 /* Finally, free the mailbox command itself */
1743 mempool_free(mbox, phba->mbox_mem_pool);
1747 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command
1748 * @phba: pointer to lpfc hba data structure.
1749 * @mbox: pointer to lpfc mbox command.
1750 * @subsystem: The sli4 config sub mailbox subsystem.
1751 * @opcode: The sli4 config sub mailbox command opcode.
1752 * @length: Length of the sli4 config mailbox command (including sub-header).
1754 * This routine sets up the header fields of SLI4 specific mailbox command
1755 * for sending IOCTL command.
1757 * Return: the actual length of the mbox command allocated (mostly useful
1758 * for none embedded mailbox command).
1761 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1762 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb)
1764 struct lpfc_mbx_sli4_config *sli4_config;
1765 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL;
1768 uint32_t pagen, pcount;
1772 /* Set up SLI4 mailbox command header fields */
1773 memset(mbox, 0, sizeof(*mbox));
1774 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG);
1776 /* Set up SLI4 ioctl command header fields */
1777 sli4_config = &mbox->u.mqe.un.sli4_config;
1779 /* Setup for the embedded mbox command */
1781 /* Set up main header fields */
1782 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1);
1783 sli4_config->header.cfg_mhdr.payload_length = length;
1784 /* Set up sub-header fields following main header */
1785 bf_set(lpfc_mbox_hdr_opcode,
1786 &sli4_config->header.cfg_shdr.request, opcode);
1787 bf_set(lpfc_mbox_hdr_subsystem,
1788 &sli4_config->header.cfg_shdr.request, subsystem);
1789 sli4_config->header.cfg_shdr.request.request_length =
1790 length - LPFC_MBX_CMD_HDR_LENGTH;
1794 /* Setup for the non-embedded mbox command */
1795 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
1796 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
1797 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
1798 /* Allocate record for keeping SGE virtual addresses */
1799 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
1801 if (!mbox->sge_array) {
1802 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1803 "2527 Failed to allocate non-embedded SGE "
1807 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
1808 /* The DMA memory is always allocated in the length of a
1809 * page even though the last SGE might not fill up to a
1810 * page, this is used as a priori size of SLI4_PAGE_SIZE for
1811 * the later DMA memory free.
1813 viraddr = dma_alloc_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
1814 &phyaddr, GFP_KERNEL);
1815 /* In case of malloc fails, proceed with whatever we have */
1818 memset(viraddr, 0, SLI4_PAGE_SIZE);
1819 mbox->sge_array->addr[pagen] = viraddr;
1820 /* Keep the first page for later sub-header construction */
1822 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
1823 resid_len = length - alloc_len;
1824 if (resid_len > SLI4_PAGE_SIZE) {
1825 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1827 alloc_len += SLI4_PAGE_SIZE;
1829 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1835 /* Set up main header fields in mailbox command */
1836 sli4_config->header.cfg_mhdr.payload_length = alloc_len;
1837 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen);
1839 /* Set up sub-header fields into the first page */
1841 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode);
1842 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem);
1843 cfg_shdr->request.request_length =
1844 alloc_len - sizeof(union lpfc_sli4_cfg_shdr);
1846 /* The sub-header is in DMA memory, which needs endian converstion */
1848 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr,
1849 sizeof(union lpfc_sli4_cfg_shdr));
1854 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent.
1855 * @phba: pointer to lpfc hba data structure.
1856 * @mbox: pointer to an allocated lpfc mbox resource.
1857 * @exts_count: the number of extents, if required, to allocate.
1858 * @rsrc_type: the resource extent type.
1859 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED.
1861 * This routine completes the subcommand header for SLI4 resource extent
1862 * mailbox commands. It is called after lpfc_sli4_config. The caller must
1863 * pass an allocated mailbox and the attributes required to initialize the
1864 * mailbox correctly.
1866 * Return: the actual length of the mbox command allocated.
1869 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1870 uint16_t exts_count, uint16_t rsrc_type, bool emb)
1873 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL;
1874 void *virtaddr = NULL;
1876 /* Set up SLI4 ioctl command header fields */
1877 if (emb == LPFC_SLI4_MBX_NEMBED) {
1878 /* Get the first SGE entry from the non-embedded DMA memory */
1879 virtaddr = mbox->sge_array->addr[0];
1880 if (virtaddr == NULL)
1882 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
1886 * The resource type is common to all extent Opcodes and resides in the
1889 if (emb == LPFC_SLI4_MBX_EMBED)
1890 bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1891 &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1894 /* This is DMA data. Byteswap is required. */
1895 bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1896 n_rsrc_extnt, rsrc_type);
1897 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4,
1898 &n_rsrc_extnt->word4,
1902 /* Complete the initialization for the particular Opcode. */
1903 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox);
1905 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT:
1906 if (emb == LPFC_SLI4_MBX_EMBED)
1907 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1908 &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1911 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1912 n_rsrc_extnt, exts_count);
1914 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT:
1915 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO:
1916 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT:
1917 /* Initialization is complete.*/
1920 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1921 "2929 Resource Extent Opcode x%x is "
1922 "unsupported\n", opcode);
1930 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd
1931 * @phba: pointer to lpfc hba data structure.
1932 * @mbox: pointer to lpfc mbox command queue entry.
1934 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox
1935 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the
1936 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall
1940 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
1942 struct lpfc_mbx_sli4_config *sli4_cfg;
1943 union lpfc_sli4_cfg_shdr *cfg_shdr;
1945 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1946 return LPFC_MBOX_SUBSYSTEM_NA;
1947 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1949 /* For embedded mbox command, get opcode from embedded sub-header*/
1950 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1951 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1952 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1955 /* For non-embedded mbox command, get opcode from first dma page */
1956 if (unlikely(!mbox->sge_array))
1957 return LPFC_MBOX_SUBSYSTEM_NA;
1958 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1959 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1963 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd
1964 * @phba: pointer to lpfc hba data structure.
1965 * @mbox: pointer to lpfc mbox command queue entry.
1967 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox
1968 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if
1969 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be
1973 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
1975 struct lpfc_mbx_sli4_config *sli4_cfg;
1976 union lpfc_sli4_cfg_shdr *cfg_shdr;
1978 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1979 return LPFC_MBOX_OPCODE_NA;
1980 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1982 /* For embedded mbox command, get opcode from embedded sub-header*/
1983 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1984 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1985 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1988 /* For non-embedded mbox command, get opcode from first dma page */
1989 if (unlikely(!mbox->sge_array))
1990 return LPFC_MBOX_OPCODE_NA;
1991 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1992 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1996 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
1997 * @phba: pointer to lpfc hba data structure.
1998 * @fcf_index: index to fcf table.
2000 * This routine routine allocates and constructs non-embedded mailbox command
2001 * for reading a FCF table entry referred by @fcf_index.
2003 * Return: pointer to the mailbox command constructed if successful, otherwise
2007 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
2008 struct lpfcMboxq *mboxq,
2012 dma_addr_t phys_addr;
2014 struct lpfc_mbx_sge sge;
2015 uint32_t alloc_len, req_len;
2016 struct lpfc_mbx_read_fcf_tbl *read_fcf;
2021 req_len = sizeof(struct fcf_record) +
2022 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
2024 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
2025 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2026 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
2027 LPFC_SLI4_MBX_NEMBED);
2029 if (alloc_len < req_len) {
2030 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
2031 "0291 Allocated DMA memory size (x%x) is "
2032 "less than the requested DMA memory "
2033 "size (x%x)\n", alloc_len, req_len);
2037 /* Get the first SGE entry from the non-embedded DMA memory. This
2038 * routine only uses a single SGE.
2040 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
2041 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
2042 virt_addr = mboxq->sge_array->addr[0];
2043 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
2045 /* Set up command fields */
2046 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
2047 /* Perform necessary endian conversion */
2048 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
2049 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
2055 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
2056 * @mboxq: pointer to lpfc mbox command.
2058 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
2062 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
2064 /* Set up SLI4 mailbox command header fields */
2065 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
2066 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
2068 /* Set up host requested features. */
2069 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
2070 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1);
2072 /* Enable DIF (block guard) only if configured to do so. */
2073 if (phba->cfg_enable_bg)
2074 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
2076 /* Enable NPIV only if configured to do so. */
2077 if (phba->max_vpi && phba->cfg_enable_npiv)
2078 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
2084 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
2085 * @mbox: pointer to lpfc mbox command to initialize.
2086 * @vport: Vport associated with the VF.
2088 * This routine initializes @mbox to all zeros and then fills in the mailbox
2089 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
2090 * in the context of an FCF. The driver issues this command to setup a VFI
2091 * before issuing a FLOGI to login to the VSAN. The driver should also issue a
2092 * REG_VFI after a successful VSAN login.
2095 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2097 struct lpfc_mbx_init_vfi *init_vfi;
2099 memset(mbox, 0, sizeof(*mbox));
2100 mbox->vport = vport;
2101 init_vfi = &mbox->u.mqe.un.init_vfi;
2102 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
2103 bf_set(lpfc_init_vfi_vr, init_vfi, 1);
2104 bf_set(lpfc_init_vfi_vt, init_vfi, 1);
2105 bf_set(lpfc_init_vfi_vp, init_vfi, 1);
2106 bf_set(lpfc_init_vfi_vfi, init_vfi,
2107 vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2108 bf_set(lpfc_init_vfi_vpi, init_vfi,
2109 vport->phba->vpi_ids[vport->vpi]);
2110 bf_set(lpfc_init_vfi_fcfi, init_vfi,
2111 vport->phba->fcf.fcfi);
2115 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
2116 * @mbox: pointer to lpfc mbox command to initialize.
2117 * @vport: vport associated with the VF.
2118 * @phys: BDE DMA bus address used to send the service parameters to the HBA.
2120 * This routine initializes @mbox to all zeros and then fills in the mailbox
2121 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
2122 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
2123 * fabrics identified by VFI in the context of an FCF.
2126 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
2128 struct lpfc_mbx_reg_vfi *reg_vfi;
2129 struct lpfc_hba *phba = vport->phba;
2131 memset(mbox, 0, sizeof(*mbox));
2132 reg_vfi = &mbox->u.mqe.un.reg_vfi;
2133 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
2134 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
2135 bf_set(lpfc_reg_vfi_vfi, reg_vfi,
2136 phba->sli4_hba.vfi_ids[vport->vfi]);
2137 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi);
2138 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]);
2139 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
2140 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
2141 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
2142 reg_vfi->e_d_tov = phba->fc_edtov;
2143 reg_vfi->r_a_tov = phba->fc_ratov;
2144 reg_vfi->bde.addrHigh = putPaddrHigh(phys);
2145 reg_vfi->bde.addrLow = putPaddrLow(phys);
2146 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
2147 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
2148 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
2150 /* Only FC supports upd bit */
2151 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) &&
2152 (vport->fc_flag & FC_VFI_REGISTERED) &&
2153 (!phba->fc_topology_changed)) {
2154 bf_set(lpfc_reg_vfi_vp, reg_vfi, 0);
2155 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
2157 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
2158 "3134 Register VFI, mydid:x%x, fcfi:%d, "
2159 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
2160 " port_state:x%x topology chg:%d\n",
2163 phba->sli4_hba.vfi_ids[vport->vfi],
2164 phba->vpi_ids[vport->vpi],
2165 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
2166 vport->port_state, phba->fc_topology_changed);
2170 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
2171 * @phba: pointer to the hba structure to init the VPI for.
2172 * @mbox: pointer to lpfc mbox command to initialize.
2173 * @vpi: VPI to be initialized.
2175 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
2176 * command to activate a virtual N_Port. The HBA assigns a MAC address to use
2177 * with the virtual N Port. The SLI Host issues this command before issuing a
2178 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
2179 * successful virtual NPort login.
2182 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
2184 memset(mbox, 0, sizeof(*mbox));
2185 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
2186 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
2187 phba->vpi_ids[vpi]);
2188 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
2189 phba->sli4_hba.vfi_ids[phba->pport->vfi]);
2193 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
2194 * @mbox: pointer to lpfc mbox command to initialize.
2195 * @vport: vport associated with the VF.
2197 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
2198 * (logical NPort) into the inactive state. The SLI Host must have logged out
2199 * and unregistered all remote N_Ports to abort any activity on the virtual
2200 * fabric. The SLI Port posts the mailbox response after marking the virtual
2204 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2206 memset(mbox, 0, sizeof(*mbox));
2207 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
2208 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
2209 vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2213 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23
2214 * @phba: pointer to the hba structure containing.
2215 * @mbox: pointer to lpfc mbox command to initialize.
2217 * This function create a SLI4 dump mailbox command to dump configure
2221 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2223 struct lpfc_dmabuf *mp = NULL;
2226 memset(mbox, 0, sizeof(*mbox));
2229 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2231 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2233 if (!mp || !mp->virt) {
2235 /* dump config region 23 failed to allocate memory */
2236 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2237 "2569 lpfc dump config region 23: memory"
2238 " allocation failed\n");
2242 memset(mp->virt, 0, LPFC_BPL_SIZE);
2243 INIT_LIST_HEAD(&mp->list);
2245 /* save address for completion */
2246 mbox->context1 = (uint8_t *) mp;
2248 mb->mbxCommand = MBX_DUMP_MEMORY;
2249 mb->un.varDmp.type = DMP_NV_PARAMS;
2250 mb->un.varDmp.region_id = DMP_REGION_23;
2251 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
2252 mb->un.varWords[3] = putPaddrLow(mp->phys);
2253 mb->un.varWords[4] = putPaddrHigh(mp->phys);
2258 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
2259 * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2260 * @mbox: pointer to lpfc mbox command to initialize.
2262 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
2263 * SLI Host uses the command to activate an FCF after it has acquired FCF
2264 * information via a READ_FCF mailbox command. This mailbox command also is used
2265 * to indicate where received unsolicited frames from this FCF will be sent. By
2266 * default this routine will set up the FCF to forward all unsolicited frames
2267 * the the RQ ID passed in the @phba. This can be overridden by the caller for
2268 * more complicated setups.
2271 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2273 struct lpfc_mbx_reg_fcfi *reg_fcfi;
2275 memset(mbox, 0, sizeof(*mbox));
2276 reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
2277 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
2278 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id);
2279 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
2280 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2281 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
2282 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
2283 phba->fcf.current_rec.fcf_indx);
2284 /* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */
2285 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3);
2286 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
2287 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
2288 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
2289 phba->fcf.current_rec.vlan_id);
2294 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
2295 * @mbox: pointer to lpfc mbox command to initialize.
2296 * @fcfi: FCFI to be unregistered.
2298 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
2299 * The SLI Host uses the command to inactivate an FCFI.
2302 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
2304 memset(mbox, 0, sizeof(*mbox));
2305 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
2306 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
2310 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
2311 * @mbox: pointer to lpfc mbox command to initialize.
2312 * @ndlp: The nodelist structure that describes the RPI to resume.
2314 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
2318 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
2320 struct lpfc_hba *phba = ndlp->phba;
2321 struct lpfc_mbx_resume_rpi *resume_rpi;
2323 memset(mbox, 0, sizeof(*mbox));
2324 resume_rpi = &mbox->u.mqe.un.resume_rpi;
2325 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
2326 bf_set(lpfc_resume_rpi_index, resume_rpi,
2327 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
2328 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
2329 resume_rpi->event_tag = ndlp->phba->fc_eventTag;
2333 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
2335 * @mbox: pointer to lpfc mbox command to initialize.
2337 * The PORT_CAPABILITIES supported pages mailbox command is issued to
2338 * retrieve the particular feature pages supported by the port.
2341 lpfc_supported_pages(struct lpfcMboxq *mbox)
2343 struct lpfc_mbx_supp_pages *supp_pages;
2345 memset(mbox, 0, sizeof(*mbox));
2346 supp_pages = &mbox->u.mqe.un.supp_pages;
2347 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2348 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
2352 * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd.
2353 * @mbox: pointer to lpfc mbox command to initialize.
2355 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
2356 * retrieve the particular SLI4 features supported by the port.
2359 lpfc_pc_sli4_params(struct lpfcMboxq *mbox)
2361 struct lpfc_mbx_pc_sli4_params *sli4_params;
2363 memset(mbox, 0, sizeof(*mbox));
2364 sli4_params = &mbox->u.mqe.un.sli4_params;
2365 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2366 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);