WebSVN - shark - Blame - Rev 1125 - /demos/trunk/first/rmstar.h

Rev	Author	Line No.	Line
1089	pj	1	/*
		2	* Project: S.Ha.R.K.
		3	*
		4	* Coordinators:
		5	* Giorgio Buttazzo <giorgio@sssup.it>
		6	* Paolo Gai <pj@gandalf.sssup.it>
		7	*
		8	* Authors :
		9	* Paolo Gai <pj@gandalf.sssup.it>
		10	* Massimiliano Giorgi <massy@gandalf.sssup.it>
		11	* Luca Abeni <luca@gandalf.sssup.it>
		12	* (see the web pages for full authors list)
		13	*
		14	* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
		15	*
		16	* http://www.sssup.it
		17	* http://retis.sssup.it
		18	* http://shark.sssup.it
		19	*/
		20
		21	/**
		22	------------
1123	pj	23	CVS : $Id: rmstar.h,v 1.2 2003-01-07 17:10:17 pj Exp $
1089	pj	24
		25	File: $File$
1123	pj	26	Revision: $Revision: 1.2 $
		27	Last update: $Date: 2003-01-07 17:10:17 $
1089	pj	28	------------
		29
		30	Title:
		31	RMSTAR
		32
		33	Task Models Accepted:
		34	HARD_TASK_MODEL - Hard Tasks (only Periodic)
		35	wcet field and mit field must be != 0. They are used to set the wcet
		36	and period of the tasks.
		37	periodicity field can be only PERIODIC
		38	drel field is ignored
		39
		40	Guest Models Accepted:
		41	JOB_TASK_MODEL - a single guest task activation
		42	Identified by an absolute deadline and a period.
		43	period field is ignored
		44
		45	Description:
		46
		47	This module schedule his tasks following the classic RM
		48	scheme.
		49
		50	Note: This module is derived from the EDFSTAR Scheduling Module. I
		51	have just changed RM in EDF and iq_timespec_insert with
		52	iq_priority_insert...
		53
		54	Exceptions raised:
		55	XUNVALID_GUEST XUNVALID_TASK
		56	some primitives are not implemented:
		57	task_sleep, task_delay, guest_endcycle, guest_sleep, guest_delay
		58
		59	XACTIVATION
		60	If a task is actiated through task_activate or guest_activate more than
		61	one time
		62
		63	Restrictions & special features:
		64	see edfstar.h
		65
		66	**/
		67
		68	/*
		69	* Copyright (C) 2001 Paolo Gai
		70	*
		71	* This program is free software; you can redistribute it and/or modify
		72	* it under the terms of the GNU General Public License as published by
		73	* the Free Software Foundation; either version 2 of the License, or
		74	* (at your option) any later version.
		75	*
		76	* This program is distributed in the hope that it will be useful,
		77	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		78	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		79	* GNU General Public License for more details.
		80	*
		81	* You should have received a copy of the GNU General Public License
		82	* along with this program; if not, write to the Free Software
		83	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		84	*
		85	*/
		86
		87
		88	#ifndef __RMSTAR_H__
		89	#define __RMSTAR_H__
		90
		91	#include <ll/ll.h>
		92	#include <kernel/config.h>
		93	#include <sys/types.h>
		94	#include <kernel/types.h>
		95
		96
		97
		98	/* flags... */
		99	#define RMSTAR_ENABLE_GUARANTEE 1 /* Task Guarantee enabled */
		100	#define RMSTAR_ENABLE_ALL 1
		101
		102	#define RMSTAR_FAILED_GUARANTEE 8 /* used in the module, unsettabl
		103	in RM_register_level... */
		104
		105
		106
		107	#define RMSTAR_LEVELNAME "RMSTAR base"
		108	#define RMSTAR_LEVEL_CODE 166
		109	#define RMSTAR_LEVEL_VERSION 1
		110
		111
		112	/* Registration function:
		113	int budget The budget used by this module (see CBSSTAR.h)
		114	int master The master module used by RMSTAR
		115	*/
		116	LEVEL RMSTAR_register_level(int budget, int master);
		117
		118	/* returns respectively the number of dline, wcet or nact; -1 if error */
		119	int RMSTAR_get_dline_miss(PID p);
		120	int RMSTAR_get_wcet_miss(PID p);
		121	int RMSTAR_get_nact(PID p);
		122
		123	/* resets respectively the number of dline, wcet miss; -1 if error */
		124	int RMSTAR_reset_dline_miss(PID p);
		125	int RMSTAR_reset_wcet_miss(PID p);
		126
		127	#endif
		128

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