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* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
904 lines
23 KiB
C
904 lines
23 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/**
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* bfa_fcs_vport.c FCS virtual port state machine
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*/
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#include <bfa.h>
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#include <bfa_svc.h>
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#include <fcbuild.h>
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#include "fcs_fabric.h"
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#include "fcs_lport.h"
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#include "fcs_vport.h"
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#include "fcs_trcmod.h"
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#include "fcs.h"
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#include <aen/bfa_aen_lport.h>
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BFA_TRC_FILE(FCS, VPORT);
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#define __vport_fcs(__vp) ((__vp)->lport.fcs)
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#define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
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#define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
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#define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
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#define __vport_fcid(__vp) ((__vp)->lport.pid)
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#define __vport_fabric(__vp) ((__vp)->lport.fabric)
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#define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
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#define BFA_FCS_VPORT_MAX_RETRIES 5
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/*
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* Forward declarations
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*/
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static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
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static void bfa_fcs_vport_timeout(void *vport_arg);
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static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
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static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
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/**
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* fcs_vport_sm FCS virtual port state machine
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*/
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/**
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* VPort State Machine events
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*/
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enum bfa_fcs_vport_event {
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BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
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BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
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BFA_FCS_VPORT_SM_START = 3, /* vport start request */
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BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
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BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
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BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
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BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
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BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
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BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
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BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
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BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
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BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error */
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BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
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};
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static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event);
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static struct bfa_sm_table_s vport_sm_table[] = {
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{BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
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{BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
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{BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
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{BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
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{BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
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{BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
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{BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
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{BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
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{BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
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{BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
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};
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/**
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* Beginning state.
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*/
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static void
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bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_CREATE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
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bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* Created state - a start event is required to start up the state machine.
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*/
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static void
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bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_START:
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if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
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&& bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
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bfa_fcs_vport_do_fdisc(vport);
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} else {
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/**
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* Fabric is offline or not NPIV capable, stay in
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* offline state.
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*/
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vport->vport_stats.fab_no_npiv++;
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
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}
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break;
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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bfa_fcs_port_delete(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_ONLINE:
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case BFA_FCS_VPORT_SM_OFFLINE:
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/**
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* Ignore ONLINE/OFFLINE events from fabric till vport is started.
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*/
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* Offline state - awaiting ONLINE event from fabric SM.
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*/
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static void
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bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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bfa_fcs_port_delete(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_ONLINE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
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vport->fdisc_retries = 0;
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bfa_fcs_vport_do_fdisc(vport);
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break;
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case BFA_FCS_VPORT_SM_OFFLINE:
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/*
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* This can happen if the vport couldn't be initialzied due
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* the fact that the npiv was not enabled on the switch. In
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* that case we will put the vport in offline state. However,
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* the link can go down and cause the this event to be sent when
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* we are already offline. Ignore it.
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*/
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* FDISC is sent and awaiting reply from fabric.
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*/
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static void
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bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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bfa_lps_discard(vport->lps);
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bfa_fcs_port_delete(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_OFFLINE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
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bfa_lps_discard(vport->lps);
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break;
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case BFA_FCS_VPORT_SM_RSP_OK:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
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bfa_fcs_port_online(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_RSP_ERROR:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
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bfa_timer_start(__vport_bfa(vport), &vport->timer,
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bfa_fcs_vport_timeout, vport,
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BFA_FCS_RETRY_TIMEOUT);
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break;
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case BFA_FCS_VPORT_SM_RSP_FAILED:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
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break;
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case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* FDISC attempt failed - a timer is active to retry FDISC.
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*/
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static void
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bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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bfa_timer_stop(&vport->timer);
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bfa_fcs_port_delete(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_OFFLINE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
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bfa_timer_stop(&vport->timer);
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break;
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case BFA_FCS_VPORT_SM_TIMEOUT:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
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vport->vport_stats.fdisc_retries++;
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vport->fdisc_retries++;
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bfa_fcs_vport_do_fdisc(vport);
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* Vport is online (FDISC is complete).
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*/
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static void
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bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
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bfa_fcs_port_delete(&vport->lport);
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break;
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case BFA_FCS_VPORT_SM_OFFLINE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
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bfa_lps_discard(vport->lps);
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bfa_fcs_port_offline(&vport->lport);
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* Vport is being deleted - awaiting lport delete completion to send
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* LOGO to fabric.
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*/
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static void
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bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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break;
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case BFA_FCS_VPORT_SM_DELCOMP:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
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bfa_fcs_vport_do_logo(vport);
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break;
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case BFA_FCS_VPORT_SM_OFFLINE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* Error State.
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* This state will be set when the Vport Creation fails due to errors like
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* Dup WWN. In this state only operation allowed is a Vport Delete.
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*/
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static void
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bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELETE:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
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bfa_fcs_port_delete(&vport->lport);
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break;
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default:
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bfa_trc(__vport_fcs(vport), event);
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}
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}
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/**
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* Lport cleanup is in progress since vport is being deleted. Fabric is
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* offline, so no LOGO is needed to complete vport deletion.
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*/
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static void
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bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_DELCOMP:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
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bfa_fcs_vport_free(vport);
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break;
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case BFA_FCS_VPORT_SM_DELETE:
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break;
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default:
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bfa_sm_fault(__vport_fcs(vport), event);
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}
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}
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/**
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* LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
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* is done.
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*/
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static void
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bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
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enum bfa_fcs_vport_event event)
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{
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bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
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bfa_trc(__vport_fcs(vport), event);
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switch (event) {
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case BFA_FCS_VPORT_SM_OFFLINE:
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bfa_lps_discard(vport->lps);
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/*
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* !!! fall through !!!
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*/
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case BFA_FCS_VPORT_SM_RSP_OK:
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case BFA_FCS_VPORT_SM_RSP_ERROR:
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bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
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bfa_fcs_vport_free(vport);
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break;
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case BFA_FCS_VPORT_SM_DELETE:
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break;
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|
|
default:
|
|
bfa_sm_fault(__vport_fcs(vport), event);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* fcs_vport_private FCS virtual port private functions
|
|
*/
|
|
|
|
/**
|
|
* Send AEN notification
|
|
*/
|
|
static void
|
|
bfa_fcs_vport_aen_post(bfa_fcs_lport_t *port, enum bfa_lport_aen_event event)
|
|
{
|
|
union bfa_aen_data_u aen_data;
|
|
struct bfa_log_mod_s *logmod = port->fcs->logm;
|
|
enum bfa_port_role role = port->port_cfg.roles;
|
|
wwn_t lpwwn = bfa_fcs_port_get_pwwn(port);
|
|
char lpwwn_ptr[BFA_STRING_32];
|
|
char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] =
|
|
{ "Initiator", "Target", "IPFC" };
|
|
|
|
wwn2str(lpwwn_ptr, lpwwn);
|
|
|
|
bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
|
|
|
|
bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr,
|
|
role_str[role/2]);
|
|
|
|
aen_data.lport.vf_id = port->fabric->vf_id;
|
|
aen_data.lport.roles = role;
|
|
aen_data.lport.ppwwn =
|
|
bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs));
|
|
aen_data.lport.lpwwn = lpwwn;
|
|
}
|
|
|
|
/**
|
|
* This routine will be called to send a FDISC command.
|
|
*/
|
|
static void
|
|
bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_lps_fdisc(vport->lps, vport,
|
|
bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
|
|
__vport_pwwn(vport), __vport_nwwn(vport));
|
|
vport->vport_stats.fdisc_sent++;
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps);
|
|
u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps);
|
|
|
|
bfa_trc(__vport_fcs(vport), lsrjt_rsn);
|
|
bfa_trc(__vport_fcs(vport), lsrjt_expl);
|
|
|
|
/*
|
|
* For certain reason codes, we don't want to retry.
|
|
*/
|
|
switch (bfa_lps_get_lsrjt_expl(vport->lps)) {
|
|
case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
|
|
case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
|
|
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
else {
|
|
bfa_fcs_vport_aen_post(&vport->lport,
|
|
BFA_LPORT_AEN_NPIV_DUP_WWN);
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
|
|
}
|
|
break;
|
|
|
|
case FC_LS_RJT_EXP_INSUFF_RES:
|
|
/*
|
|
* This means max logins per port/switch setting on the
|
|
* switch was exceeded.
|
|
*/
|
|
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
else {
|
|
bfa_fcs_vport_aen_post(&vport->lport,
|
|
BFA_LPORT_AEN_NPIV_FABRIC_MAX);
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if (vport->fdisc_retries == 0) /* Print only once */
|
|
bfa_fcs_vport_aen_post(&vport->lport,
|
|
BFA_LPORT_AEN_NPIV_UNKNOWN);
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called to send a logout to the fabric. Used when a V-Port is
|
|
* deleted/stopped.
|
|
*/
|
|
static void
|
|
bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
|
|
|
|
vport->vport_stats.logo_sent++;
|
|
bfa_lps_fdisclogo(vport->lps);
|
|
}
|
|
|
|
/**
|
|
* This routine will be called by bfa_timer on timer timeouts.
|
|
*
|
|
* param[in] vport - pointer to bfa_fcs_vport_t.
|
|
* param[out] vport_status - pointer to return vport status in
|
|
*
|
|
* return
|
|
* void
|
|
*
|
|
* Special Considerations:
|
|
*
|
|
* note
|
|
*/
|
|
static void
|
|
bfa_fcs_vport_timeout(void *vport_arg)
|
|
{
|
|
struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *)vport_arg;
|
|
|
|
vport->vport_stats.fdisc_timeouts++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
|
|
bfa_fcb_vport_delete(vport->vport_drv);
|
|
bfa_lps_delete(vport->lps);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* fcs_vport_public FCS virtual port public interfaces
|
|
*/
|
|
|
|
/**
|
|
* Online notification from fabric SM.
|
|
*/
|
|
void
|
|
bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
vport->vport_stats.fab_online++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
|
|
}
|
|
|
|
/**
|
|
* Offline notification from fabric SM.
|
|
*/
|
|
void
|
|
bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
vport->vport_stats.fab_offline++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
|
|
}
|
|
|
|
/**
|
|
* Cleanup notification from fabric SM on link timer expiry.
|
|
*/
|
|
void
|
|
bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
vport->vport_stats.fab_cleanup++;
|
|
}
|
|
|
|
/**
|
|
* delete notification from fabric SM. To be invoked from within FCS.
|
|
*/
|
|
void
|
|
bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
|
|
}
|
|
|
|
/**
|
|
* Delete completion callback from associated lport
|
|
*/
|
|
void
|
|
bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
|
|
}
|
|
|
|
/**
|
|
* fcs_vport_api Virtual port API
|
|
*/
|
|
|
|
/**
|
|
* Use this function to instantiate a new FCS vport object. This
|
|
* function will not trigger any HW initialization process (which will be
|
|
* done in vport_start() call)
|
|
*
|
|
* param[in] vport - pointer to bfa_fcs_vport_t. This space
|
|
* needs to be allocated by the driver.
|
|
* param[in] fcs - FCS instance
|
|
* param[in] vport_cfg - vport configuration
|
|
* param[in] vf_id - VF_ID if vport is created within a VF.
|
|
* FC_VF_ID_NULL to specify base fabric.
|
|
* param[in] vport_drv - Opaque handle back to the driver's vport
|
|
* structure
|
|
*
|
|
* retval BFA_STATUS_OK - on success.
|
|
* retval BFA_STATUS_FAILED - on failure.
|
|
*/
|
|
bfa_status_t
|
|
bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
|
|
u16 vf_id, struct bfa_port_cfg_s *vport_cfg,
|
|
struct bfad_vport_s *vport_drv)
|
|
{
|
|
if (vport_cfg->pwwn == 0)
|
|
return BFA_STATUS_INVALID_WWN;
|
|
|
|
if (bfa_fcs_port_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
|
|
return BFA_STATUS_VPORT_WWN_BP;
|
|
|
|
if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
|
|
return BFA_STATUS_VPORT_EXISTS;
|
|
|
|
if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
|
|
bfa_lps_get_max_vport(fcs->bfa))
|
|
return BFA_STATUS_VPORT_MAX;
|
|
|
|
vport->lps = bfa_lps_alloc(fcs->bfa);
|
|
if (!vport->lps)
|
|
return BFA_STATUS_VPORT_MAX;
|
|
|
|
vport->vport_drv = vport_drv;
|
|
vport_cfg->preboot_vp = BFA_FALSE;
|
|
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
|
|
|
|
bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
|
|
bfa_fcs_lport_init(&vport->lport, vport_cfg);
|
|
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Use this function to instantiate a new FCS PBC vport object. This
|
|
* function will not trigger any HW initialization process (which will be
|
|
* done in vport_start() call)
|
|
*
|
|
* param[in] vport - pointer to bfa_fcs_vport_t. This space
|
|
* needs to be allocated by the driver.
|
|
* param[in] fcs - FCS instance
|
|
* param[in] vport_cfg - vport configuration
|
|
* param[in] vf_id - VF_ID if vport is created within a VF.
|
|
* FC_VF_ID_NULL to specify base fabric.
|
|
* param[in] vport_drv - Opaque handle back to the driver's vport
|
|
* structure
|
|
*
|
|
* retval BFA_STATUS_OK - on success.
|
|
* retval BFA_STATUS_FAILED - on failure.
|
|
*/
|
|
bfa_status_t
|
|
bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
|
|
uint16_t vf_id, struct bfa_port_cfg_s *vport_cfg,
|
|
struct bfad_vport_s *vport_drv)
|
|
{
|
|
bfa_status_t rc;
|
|
|
|
rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
|
|
vport->lport.port_cfg.preboot_vp = BFA_TRUE;
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* Use this function initialize the vport.
|
|
*
|
|
* @param[in] vport - pointer to bfa_fcs_vport_t.
|
|
*
|
|
* @returns None
|
|
*/
|
|
bfa_status_t
|
|
bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Use this function quiese the vport object. This function will return
|
|
* immediately, when the vport is actually stopped, the
|
|
* bfa_drv_vport_stop_cb() will be called.
|
|
*
|
|
* param[in] vport - pointer to bfa_fcs_vport_t.
|
|
*
|
|
* return None
|
|
*/
|
|
bfa_status_t
|
|
bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Use this function to delete a vport object. Fabric object should
|
|
* be stopped before this function call.
|
|
*
|
|
* Donot invoke this from within FCS
|
|
*
|
|
* param[in] vport - pointer to bfa_fcs_vport_t.
|
|
*
|
|
* return None
|
|
*/
|
|
bfa_status_t
|
|
bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
if (vport->lport.port_cfg.preboot_vp)
|
|
return BFA_STATUS_PBC;
|
|
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Use this function to get vport's current status info.
|
|
*
|
|
* param[in] vport pointer to bfa_fcs_vport_t.
|
|
* param[out] attr pointer to return vport attributes
|
|
*
|
|
* return None
|
|
*/
|
|
void
|
|
bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
|
|
struct bfa_vport_attr_s *attr)
|
|
{
|
|
if (vport == NULL || attr == NULL)
|
|
return;
|
|
|
|
bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s));
|
|
|
|
bfa_fcs_port_get_attr(&vport->lport, &attr->port_attr);
|
|
attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
|
|
}
|
|
|
|
/**
|
|
* Use this function to get vport's statistics.
|
|
*
|
|
* param[in] vport pointer to bfa_fcs_vport_t.
|
|
* param[out] stats pointer to return vport statistics in
|
|
*
|
|
* return None
|
|
*/
|
|
void
|
|
bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport,
|
|
struct bfa_vport_stats_s *stats)
|
|
{
|
|
*stats = vport->vport_stats;
|
|
}
|
|
|
|
/**
|
|
* Use this function to clear vport's statistics.
|
|
*
|
|
* param[in] vport pointer to bfa_fcs_vport_t.
|
|
*
|
|
* return None
|
|
*/
|
|
void
|
|
bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport)
|
|
{
|
|
bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s));
|
|
}
|
|
|
|
/**
|
|
* Lookup a virtual port. Excludes base port from lookup.
|
|
*/
|
|
struct bfa_fcs_vport_s *
|
|
bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct bfa_fcs_fabric_s *fabric;
|
|
|
|
bfa_trc(fcs, vf_id);
|
|
bfa_trc(fcs, vpwwn);
|
|
|
|
fabric = bfa_fcs_vf_lookup(fcs, vf_id);
|
|
if (!fabric) {
|
|
bfa_trc(fcs, vf_id);
|
|
return NULL;
|
|
}
|
|
|
|
vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
|
|
return vport;
|
|
}
|
|
|
|
/**
|
|
* FDISC Response
|
|
*/
|
|
void
|
|
bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
|
|
{
|
|
struct bfa_fcs_vport_s *vport = uarg;
|
|
|
|
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
|
|
bfa_trc(__vport_fcs(vport), status);
|
|
|
|
switch (status) {
|
|
case BFA_STATUS_OK:
|
|
/*
|
|
* Initialize the V-Port fields
|
|
*/
|
|
__vport_fcid(vport) = bfa_lps_get_pid(vport->lps);
|
|
vport->vport_stats.fdisc_accepts++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
|
|
break;
|
|
|
|
case BFA_STATUS_INVALID_MAC:
|
|
/*
|
|
* Only for CNA
|
|
*/
|
|
vport->vport_stats.fdisc_acc_bad++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
|
|
break;
|
|
|
|
case BFA_STATUS_EPROTOCOL:
|
|
switch (bfa_lps_get_extstatus(vport->lps)) {
|
|
case BFA_EPROTO_BAD_ACCEPT:
|
|
vport->vport_stats.fdisc_acc_bad++;
|
|
break;
|
|
|
|
case BFA_EPROTO_UNKNOWN_RSP:
|
|
vport->vport_stats.fdisc_unknown_rsp++;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
break;
|
|
|
|
case BFA_STATUS_FABRIC_RJT:
|
|
vport->vport_stats.fdisc_rejects++;
|
|
bfa_fcs_vport_fdisc_rejected(vport);
|
|
break;
|
|
|
|
default:
|
|
vport->vport_stats.fdisc_rsp_err++;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* LOGO response
|
|
*/
|
|
void
|
|
bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
|
|
{
|
|
struct bfa_fcs_vport_s *vport = uarg;
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
|
|
}
|
|
|
|
/**
|
|
* Received clear virtual link
|
|
*/
|
|
void
|
|
bfa_cb_lps_cvl_event(void *bfad, void *uarg)
|
|
{
|
|
struct bfa_fcs_vport_s *vport = uarg;
|
|
|
|
/* Send an Offline followed by an ONLINE */
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
|
|
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
|
|
}
|