93 lines
2.2 KiB
C
93 lines
2.2 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_AEN_H__
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#define __BFA_AEN_H__
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#include "defs/bfa_defs_aen.h"
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#define BFA_AEN_MAX_ENTRY 512
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extern s32 bfa_aen_max_cfg_entry;
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struct bfa_aen_s {
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void *bfad;
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s32 max_entry;
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s32 write_index;
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s32 read_index;
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u32 bfad_num;
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u32 seq_num;
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void (*aen_cb_notify)(void *bfad);
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void (*gettimeofday)(struct bfa_timeval_s *tv);
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struct bfa_trc_mod_s *trcmod;
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struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
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};
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/**
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* Public APIs
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*/
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static inline void
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bfa_aen_set_max_cfg_entry(int max_entry)
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{
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bfa_aen_max_cfg_entry = max_entry;
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}
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static inline s32
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bfa_aen_get_max_cfg_entry(void)
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{
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return bfa_aen_max_cfg_entry;
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}
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static inline s32
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bfa_aen_get_meminfo(void)
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{
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return (sizeof(struct bfa_aen_entry_s) * bfa_aen_get_max_cfg_entry());
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}
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static inline s32
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bfa_aen_get_wi(struct bfa_aen_s *aen)
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{
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return aen->write_index;
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}
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static inline s32
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bfa_aen_get_ri(struct bfa_aen_s *aen)
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{
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return aen->read_index;
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}
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static inline s32
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bfa_aen_fetch_count(struct bfa_aen_s *aen, s32 read_index)
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{
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return ((aen->write_index + aen->max_entry) - read_index)
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% aen->max_entry;
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}
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s32 bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
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void *bfad, u32 inst_id, void (*aen_cb_notify)(void *),
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void (*gettimeofday)(struct bfa_timeval_s *));
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s32 bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
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int aen_type, union bfa_aen_data_u *aen_data);
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s32 bfa_aen_fetch(struct bfa_aen_s *aen, struct bfa_aen_entry_s *aen_entry,
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s32 entry_space, s32 rii, s32 *ri_arr,
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s32 ri_arr_cnt);
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s32 bfa_aen_get_inst(struct bfa_aen_s *aen);
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#endif /* __BFA_AEN_H__ */
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