forked from luck/tmp_suning_uos_patched
9693e7dff5
Introduce a link notification state machine to handle next incoming link events while the current event is being delivered to the driver. When the event has been processed by the driver, the link notification state machine will queue the next event (if there is any) to the driver. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
100 lines
3.1 KiB
C
100 lines
3.1 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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#ifndef __BFA_PORT_PRIV_H__
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#define __BFA_PORT_PRIV_H__
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#include <defs/bfa_defs_pport.h>
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#include <bfi/bfi_pport.h>
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#include "bfa_intr_priv.h"
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/**
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* Link notification data structure
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*/
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struct bfa_pport_ln_s {
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struct bfa_pport_s *pport;
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bfa_sm_t sm;
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struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */
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enum bfa_pport_linkstate ln_event; /* ln event for callback */
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};
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/**
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* BFA physical port data structure
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*/
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struct bfa_pport_s {
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struct bfa_s *bfa; /* parent BFA instance */
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bfa_sm_t sm; /* port state machine */
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wwn_t nwwn; /* node wwn of physical port */
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wwn_t pwwn; /* port wwn of physical oprt */
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enum bfa_pport_speed speed_sup;
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/* supported speeds */
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enum bfa_pport_speed speed; /* current speed */
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enum bfa_pport_topology topology; /* current topology */
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u8 myalpa; /* my ALPA in LOOP topology */
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u8 rsvd[3];
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struct bfa_pport_cfg_s cfg; /* current port configuration */
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struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
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struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
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struct bfa_reqq_wait_s reqq_wait;
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/* to wait for room in reqq */
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struct bfa_reqq_wait_s svcreq_wait;
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/* to wait for room in reqq */
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struct bfa_reqq_wait_s stats_reqq_wait;
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/* to wait for room in reqq (stats) */
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void *event_cbarg;
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void (*event_cbfn) (void *cbarg,
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bfa_pport_event_t event);
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union {
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union bfi_pport_i2h_msg_u i2hmsg;
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} event_arg;
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void *bfad; /* BFA driver handle */
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struct bfa_pport_ln_s ln; /* Link Notification */
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struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
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u32 msgtag; /* fimrware msg tag for reply */
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u8 *stats_kva;
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u64 stats_pa;
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union bfa_pport_stats_u *stats; /* pport stats */
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u32 mypid:24;
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u32 rsvd_b:8;
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struct bfa_timer_s timer; /* timer */
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union bfa_pport_stats_u *stats_ret;
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/* driver stats location */
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bfa_status_t stats_status;
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/* stats/statsclr status */
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bfa_boolean_t stats_busy;
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/* outstanding stats/statsclr */
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bfa_boolean_t stats_qfull;
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bfa_boolean_t diag_busy;
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/* diag busy status */
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bfa_boolean_t beacon;
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/* port beacon status */
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bfa_boolean_t link_e2e_beacon;
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/* link beacon status */
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bfa_cb_pport_t stats_cbfn;
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/* driver callback function */
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void *stats_cbarg;
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/* *!< user callback arg */
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};
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#define BFA_PORT_MOD(__bfa) (&(__bfa)->modules.pport)
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/*
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* public functions
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*/
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void bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
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#endif /* __BFA_PORT_PRIV_H__ */
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