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241 | giacomo | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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267 | giacomo | 9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
10 | * Michael Trimarchi <trimarchi@gandalf.sssup.it> |
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241 | giacomo | 11 | * (see the web pages for full authors list) |
12 | * |
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13 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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14 | * |
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15 | * http://www.sssup.it |
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16 | * http://retis.sssup.it |
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17 | * http://shark.sssup.it |
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18 | */ |
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19 | |||
20 | /* |
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21 | * Copyright (C) 2002 Paolo Gai |
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22 | * |
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23 | * This program is free software; you can redistribute it and/or modify |
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24 | * it under the terms of the GNU General Public License as published by |
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25 | * the Free Software Foundation; either version 2 of the License, or |
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26 | * (at your option) any later version. |
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27 | * |
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28 | * This program is distributed in the hope that it will be useful, |
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29 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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31 | * GNU General Public License for more details. |
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32 | * |
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33 | * You should have received a copy of the GNU General Public License |
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34 | * along with this program; if not, write to the Free Software |
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35 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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36 | * |
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37 | */ |
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38 | |||
39 | |||
253 | giacomo | 40 | #ifndef __GRUBSTAR_H__ |
41 | #define __GRUBSTAR_H__ |
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241 | giacomo | 42 | |
43 | #include <kernel/kern.h> |
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44 | |||
45 | #define BUDGET_PCLASS 0x0600 |
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46 | |||
47 | typedef struct { |
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48 | TASK_MODEL t; |
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49 | int b; |
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50 | } BUDGET_TASK_MODEL; |
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51 | |||
52 | #define budget_task_default_model(m,buf) \ |
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53 | task_default_model((m).t, BUDGET_PCLASS), \ |
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54 | (m).b = (buf); |
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55 | |||
56 | |||
57 | |||
58 | /* some constants for registering the Module in the right place */ |
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253 | giacomo | 59 | #define GRUBSTAR_LEVELNAME "GRUBSTAR" |
60 | #define GRUBSTAR_LEVEL_CODE 106 |
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61 | #define GRUBSTAR_LEVEL_VERSION 1 |
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241 | giacomo | 62 | |
253 | giacomo | 63 | LEVEL GRUBSTAR_register_level(int n, LEVEL master); |
241 | giacomo | 64 | |
65 | /* Allocates a budget to be used for an application. |
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66 | Input parameters: |
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67 | Q The budget |
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68 | T The period of the budget |
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69 | Return value: |
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70 | 0..N The ID of the budget |
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71 | -1 no more free budgets |
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72 | -2 The budgets allocated locally to this module have bandwidth > 1 |
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73 | -3 wrong LEVEL id |
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74 | */ |
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661 | giacomo | 75 | int GRUBSTAR_setbudget(LEVEL l, TIME Q, TIME T, TIME D, LEVEL local_scheduler_level, int scheduler_id); |
241 | giacomo | 76 | |
253 | giacomo | 77 | int GRUBSTAR_removebudget(LEVEL l, int budget); |
241 | giacomo | 78 | |
661 | giacomo | 79 | int GRUBSTAR_adjust_budget(LEVEL l, TIME Q, TIME T, TIME D, int budget); |
241 | giacomo | 80 | |
661 | giacomo | 81 | int GRUBSTAR_getbudgetinfo(LEVEL l, TIME *Q, TIME *T, TIME *D, int budget); |
241 | giacomo | 82 | |
253 | giacomo | 83 | int GRUBSTAR_was_budget_overran(LEVEL l, int budget); |
241 | giacomo | 84 | |
253 | giacomo | 85 | int GRUBSTAR_is_active(LEVEL l, int budget); |
241 | giacomo | 86 | |
253 | giacomo | 87 | int GRUBSTAR_get_local_scheduler_level_from_budget(LEVEL l, int budget); |
241 | giacomo | 88 | |
253 | giacomo | 89 | int GRUBSTAR_get_local_scheduler_level_from_pid(LEVEL l, PID p); |
241 | giacomo | 90 | |
253 | giacomo | 91 | int GRUBSTAR_get_local_scheduler_id_from_budget(LEVEL l, int budget); |
241 | giacomo | 92 | |
253 | giacomo | 93 | int GRUBSTAR_get_local_scheduler_id_from_pid(LEVEL l, PID p); |
241 | giacomo | 94 | |
276 | giacomo | 95 | int GRUBSTAR_get_last_reclaiming(LEVEL l, PID p); |
267 | giacomo | 96 | |
340 | giacomo | 97 | int GRUBSTAR_get_remain_capacity(LEVEL l, int budget); |
98 | |||
404 | trimarchi | 99 | bandwidth_t GRUBSTAR_return_bandwidth(LEVEL l); |
100 | |||
808 | trimarchi | 101 | void GRUBSTAR_disable_server(LEVEL l, int budget); |
102 | |||
866 | trimarchi | 103 | int GRUBSTAR_get_renegotiation_status(LEVEL l, int budget); |
104 | |||
1002 | trimarchi | 105 | void GRUBSTAR_getdeadline(LEVEL l, int budget, struct timespec *t); |
106 | |||
241 | giacomo | 107 | #endif |
253 | giacomo | 108 |