timervar.h

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/*
** timervar.h for lseos in lseos-srv/hw/timer
** 
** Copyright(c)2004 Vianney Rancurel
** Login   <vianney@epita.fr>
** 
** Started on  Wed Feb 11 12:02:31 2004 Vianney Rancurel
** Last update Tue Nov 30 17:10:04 2004 Vianney Rancurel
*/
#ifndef __TIMERVAR_H__
#define __TIMERVAR_H__  1

typedef struct          s_timer
{
  pid_t                 holder;
  u_int32_t             waitfor;
  u_int32_t             value;
  u_int32_t             avail:1;
  u_int32_t             usecs:1;        /* unity is useconds            */
}                       t_timer;

typedef struct          s_timerstats
{
  u_int32_t             ncsw[NB_CPUS];  /* number of context switches   */
}                       t_timerstats;

typedef struct          s_timer_info
{
  __cpu_simple_lock_t   lock;
  u_int64_t             ticks[NB_CPUS]; /* current number of ticks      */
  u_int                 divisor;        /* current PIT divisor          */
  u_int                 frq;            /* frequency of timer intrs (hz)*/
  u_int                 qticks;         /* quantum ticks                */
  u_int                 qvalue;         /* quantum value                */
  u_int                 q_in_usecs;     /* quantum value is in usecs    */
  u_int64_t             secs;
  u_int64_t             usecs;
  t_timerstats          stats;
  pid_t                 notify_pid;
  pid_t                 cpid;
}                       t_timer_info;

#endif

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