LXR linux/drivers/scsi/bfa/include/bfa

   1/*
   2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
   3 * All rights reserved
   4 * www.brocade.com
   5 *
   6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7 *
   8 * This program is free software; you can redistribute it and/or modify it
   9 * under the terms of the GNU General Public License (GPL) Version 2 as
  10 * published by the Free Software Foundation
  11 *
  12 * This program is distributed in the hope that it will be useful, but
  13 * WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * General Public License for more details.
  16 */
  17#ifndef __BFA_TIMER_H__
  18#define __BFA_TIMER_H__
  19
  20#include <bfa_os_inc.h>
  21#include <cs/bfa_q.h>
  22
  23struct bfa_s;
  24
  25typedef void (*bfa_timer_cbfn_t)(void *);
  26
  27/**
  28 * BFA timer data structure
  29 */
  30struct bfa_timer_s {
  31        struct list_head        qe;
  32        bfa_timer_cbfn_t timercb;
  33        void            *arg;
  34        int             timeout;        /**< in millisecs. */
  35};
  36
  37/**
  38 * Timer module structure
  39 */
  40struct bfa_timer_mod_s {
  41        struct list_head timer_q;
  42};
  43
  44#define BFA_TIMER_FREQ 500 /**< specified in millisecs */
  45
  46void bfa_timer_beat(struct bfa_timer_mod_s *mod);
  47void bfa_timer_init(struct bfa_timer_mod_s *mod);
  48void bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
  49                        bfa_timer_cbfn_t timercb, void *arg,
  50                        unsigned int timeout);
  51void bfa_timer_stop(struct bfa_timer_s *timer);
  52
  53#endif /* __BFA_TIMER_H__ */
  54