97 lines
2.4 KiB
C
97 lines
2.4 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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#include "defs/bfa_defs_status.h"
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#include "cs/bfa_debug.h"
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#define BFA_AEN_MAX_ENTRY 512
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extern int bfa_aen_max_cfg_entry;
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struct bfa_aen_s {
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void *bfad;
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int max_entry;
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int write_index;
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int read_index;
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int bfad_num;
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int 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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int app_ri[BFA_AEN_MAX_APP]; /* For multiclient support */
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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 int
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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 int
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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 int
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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 int
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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 int
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bfa_aen_fetch_count(struct bfa_aen_s *aen, enum bfa_aen_app app_id)
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{
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bfa_assert((app_id < BFA_AEN_MAX_APP) && (app_id >= bfa_aen_app_bcu));
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return ((aen->write_index + aen->max_entry) - aen->app_ri[app_id])
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% aen->max_entry;
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}
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int bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
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void *bfad, int bfad_num, void (*aen_cb_notify)(void *),
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void (*gettimeofday)(struct bfa_timeval_s *));
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void 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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bfa_status_t bfa_aen_fetch(struct bfa_aen_s *aen,
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struct bfa_aen_entry_s *aen_entry,
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int entry_req, enum bfa_aen_app app_id, int *entry_ret);
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int bfa_aen_get_inst(struct bfa_aen_s *aen);
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#endif /* __BFA_AEN_H__ */
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