Rev 235 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 235 | giacomo | 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 | ------------ |
||
| 814 | trimarchi | 23 | CVS : $Id: rmstar.h,v 1.2 2004-09-06 10:05:23 trimarchi Exp $ |
| 235 | giacomo | 24 | |
| 25 | File: $File$ |
||
| 814 | trimarchi | 26 | Revision: $Revision: 1.2 $ |
| 27 | Last update: $Date: 2004-09-06 10:05:23 $ |
||
| 235 | giacomo | 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 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 | int RMSTAR_getbudget(LEVEL l, PID p); |
||
| 127 | int RMSTAR_setbudget(LEVEL l, PID p, int budget); |
||
| 128 | int RMSTAR_budget_has_thread(LEVEL l, int budget); |
||
| 129 | |||
| 814 | trimarchi | 130 | void RMSTAR_set_nopreemtive_current(LEVEL l); |
| 131 | void RMSTAR_unset_nopreemtive_current(LEVEL l); |
||
| 132 | |||
| 235 | giacomo | 133 | #endif |
| 134 |