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/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/**
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 ------------
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 CVS :        $Id: rmstar.h,v 1.2 2004-09-06 10:05:23 trimarchi Exp $
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 File:        $File$
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 Revision:    $Revision: 1.2 $
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 Last update: $Date: 2004-09-06 10:05:23 $
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 ------------
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 Title:
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   RMSTAR
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 Task Models Accepted:
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   HARD_TASK_MODEL - Hard Tasks (only Periodic)
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     wcet field and mit field must be != 0. They are used to set the wcet
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       and period of the tasks.
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     periodicity field can be only PERIODIC
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     drel field is ignored
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 Guest Models Accepted:
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   JOB_TASK_MODEL - a single guest task activation
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     Identified by an absolute deadline and a period.
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     period field is ignored
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 Description:
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   This module schedule his tasks following the classic RM
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   scheme.
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   Note: This module is derived from the EDFSTAR Scheduling Module. I
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   have just changed RM in EDF and iq_timespec_insert with
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   iq_priority_insert...
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 Exceptions raised:
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   XUNVALID_GUEST XUNVALID_TASK
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     some primitives are not implemented:
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     task_sleep, task_delay, guest_endcycle, guest_sleep, guest_delay
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   XACTIVATION
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     If a task is actiated through task_activate or guest_activate more than
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     one time
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 Restrictions & special features:
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   see edfstar.h
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**/
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/*
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 * Copyright (C) 2001 Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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#ifndef __RMSTAR_H__
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#define __RMSTAR_H__
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#include <ll/ll.h>
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#include <kernel/config.h>
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#include <sys/types.h>
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#include <kernel/types.h>
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/* flags... */
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#define RMSTAR_ENABLE_GUARANTEE      1  /* Task Guarantee enabled */
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#define RMSTAR_ENABLE_ALL            1
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#define RMSTAR_FAILED_GUARANTEE      8  /* used in the module, unsettabl
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                                         in RM_register_level... */
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#define RMSTAR_LEVELNAME        "RMSTAR base"
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#define RMSTAR_LEVEL_CODE       166
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#define RMSTAR_LEVEL_VERSION    1
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/* Registration function:
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   int budget      The budget used by this module (see CBSSTAR.h)
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   int master      The master module used by RMSTAR
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*/
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LEVEL RMSTAR_register_level(int master);
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/* returns respectively the number of dline, wcet or nact; -1 if error */
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int RMSTAR_get_dline_miss(PID p);
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int RMSTAR_get_wcet_miss(PID p);
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int RMSTAR_get_nact(PID p);
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/* resets respectively the number of dline, wcet miss; -1 if error */
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int RMSTAR_reset_dline_miss(PID p);
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int RMSTAR_reset_wcet_miss(PID p);
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int RMSTAR_getbudget(LEVEL l, PID p);
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int RMSTAR_setbudget(LEVEL l, PID p, int budget);
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int RMSTAR_budget_has_thread(LEVEL l, int budget);
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void RMSTAR_set_nopreemtive_current(LEVEL l);
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void RMSTAR_unset_nopreemtive_current(LEVEL l);
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#endif
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