picvar.h

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/*
** picvar.h for lseos in lseos-srv/hw/pic
** 
** Copyright(c)2004 Vianney Rancurel
** Login   <vianney@epita.fr>
** 
** Started on  Fri Feb  6 11:31:38 2004 Vianney Rancurel
** Last update Mon Dec  6 12:22:32 2004 Vianney Rancurel
*/
#ifndef __PICVAR_H__
#define __PICVAR_H__    1
#include <libc.h>

typedef u_int16_t       pic_tag_t;

typedef struct          s_pic
{
  pid_t                 holder;
  /*
   * processes allowed to eoi the pic 
   */
#define PICMAXALLOWED 10
  pid_t                 allowed[PICMAXALLOWED]; 
  u_int32_t             avail:1;
}                       t_pic;

typedef struct          s_pic_stat
{
  u_int32_t             dummy;
}                       t_pic_stat;

typedef struct          s_pic_info
{
  t_pic_stat            stat;
  __cpu_simple_lock_t   lock;
}                       t_pic_info;

#endif

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