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| 2 | pj | 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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| 9 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 10 | * Massimiliano Giorgi <massy@gandalf.sssup.it> |
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| 11 | * Luca Abeni <luca@gandalf.sssup.it> |
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| 12 | * (see the web pages for full authors list) |
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| 13 | * |
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| 14 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 15 | * |
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| 16 | * http://www.sssup.it |
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| 17 | * http://retis.sssup.it |
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| 18 | * http://shark.sssup.it |
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| 19 | */ |
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| 20 | |||
| 21 | |||
| 22 | /* |
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| 23 | * Copyright (C) 1999 Massimiliano Giorgi |
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| 24 | * |
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| 25 | * This program is free software; you can redistribute it and/or modify |
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| 26 | * it under the terms of the GNU General Public License as published by |
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| 27 | * the Free Software Foundation; either version 2 of the License, or |
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| 28 | * (at your option) any later version. |
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| 29 | * |
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| 30 | * This program is distributed in the hope that it will be useful, |
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| 31 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 33 | * GNU General Public License for more details. |
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| 34 | * |
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| 35 | * You should have received a copy of the GNU General Public License |
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| 36 | * along with this program; if not, write to the Free Software |
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| 37 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 38 | * |
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| 39 | */ |
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| 40 | |||
| 41 | /* |
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| 80 | pj | 42 | * CVS : $Id: bdevinit.h,v 1.2 2003-03-13 13:37:58 pj Exp $ |
| 2 | pj | 43 | * |
| 44 | * File: $File$ |
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| 80 | pj | 45 | * Revision: $Revision: 1.2 $ |
| 46 | * Last update: $Date: 2003-03-13 13:37:58 $ |
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| 2 | pj | 47 | */ |
| 48 | |||
| 49 | #ifndef _HARTIK_BDEVINIT_H |
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| 50 | #define _HARTIK_BDEVINIT_H |
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| 51 | |||
| 52 | #include <kernel/model.h> |
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| 53 | |||
| 54 | #include <fs/types.h> |
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| 55 | #include <fs/const.h> |
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| 56 | #include <fs/bdevconf.h> |
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| 80 | pj | 57 | #include "ll/sys/cdefs.h" |
| 2 | pj | 58 | |
| 80 | pj | 59 | __BEGIN_DECLS |
| 60 | |||
| 2 | pj | 61 | /* prolog */ |
| 62 | #define BASE_BDEV_START 0 |
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| 63 | |||
| 64 | /* |
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| 65 | * IDE |
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| 66 | */ |
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| 67 | |||
| 68 | #ifdef IDE_BLOCK_DEVICE |
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| 69 | |||
| 70 | typedef struct ide_parms { |
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| 71 | void *parm_initserver; |
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| 72 | } IDE_PARMS; |
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| 73 | |||
| 74 | #define IDEPARMS(ptr) ((ptr)->ideparms) |
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| 75 | |||
| 76 | #define BASE_BDEV_IDE BASE_BDEV_START,{NULL} |
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| 77 | |||
| 78 | /* |
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| 79 | typedef struct ide_parms { |
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| 80 | __uint8_t pclass; |
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| 81 | __uint32_t dline; |
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| 82 | __uint32_t wcet; |
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| 83 | } IDE_PARMS; |
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| 84 | |||
| 85 | #define BASE_IDE {DEFAULT,DEFAULT,DEFAULT} |
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| 86 | |||
| 87 | #define ide_def_task(s,p,d,w) {(s).pclass=(p); (s).dline=(d); (s).wcet=(w);} |
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| 88 | */ |
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| 89 | |||
| 90 | #else |
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| 91 | |||
| 92 | #define BASE_BDEV_IDE BASE_BDEV_START |
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| 93 | |||
| 94 | #endif |
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| 95 | |||
| 96 | /* |
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| 97 | * LOOP |
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| 98 | */ |
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| 99 | |||
| 100 | #ifdef LOOP_BLOCK_DEVICE |
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| 101 | |||
| 102 | typedef struct loop_parms { |
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| 103 | int dummy; |
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| 104 | } LOOP_PARMS; |
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| 105 | |||
| 106 | #define BASE_BDEV_LOOP BASE_BDEV_IDE,{0} |
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| 107 | |||
| 108 | #else |
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| 109 | |||
| 110 | #define BASE_BDEV_LOOP BASE_BDEV_IDE |
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| 111 | |||
| 112 | #endif |
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| 113 | |||
| 114 | /* epilog */ |
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| 115 | #define BASE_BDEV_OPTIONAL BASE_BDEV_LOOP |
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| 116 | |||
| 117 | /* |
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| 118 | * block device params structure |
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| 119 | */ |
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| 120 | |||
| 121 | extern NPP_mutexattr_t bdevdef_mutexattr; |
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| 122 | |||
| 123 | typedef struct bdev_parms { |
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| 124 | __uint32_t showinfo:1; |
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| 125 | char *config; |
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| 126 | void *bmutexattr; |
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| 127 | |||
| 128 | __uint16_t dummy; |
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| 129 | |||
| 130 | #ifdef IDE_BLOCK_DEVICE |
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| 131 | IDE_PARMS ideparms; |
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| 132 | #endif |
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| 133 | |||
| 134 | #ifdef LOOP_BLOCK_DEVICE |
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| 135 | LOOP_PARMS loopparms; |
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| 136 | #endif |
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| 137 | |||
| 138 | } BDEV_PARMS; |
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| 139 | |||
| 140 | #define bdev_def_showinfo(s,v) ((s).showinfo=(v)&1) |
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| 141 | #define bdev_def_configstring(s,v) ((s).config=(v)) |
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| 142 | #define bdev_def_mutexattrptr(s,v) ((s).bmutexattr=(v)) |
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| 143 | |||
| 144 | #define BASE_BDEV {0,NULL,(void*)&bdevdef_mutexattr,BASE_BDEV_OPTIONAL} |
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| 145 | |||
| 146 | /**/ |
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| 147 | |||
| 148 | int bdev_init(BDEV_PARMS *); |
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| 149 | |||
| 150 | #ifdef IDE_BLOCK_DEVICE |
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| 151 | int ide_init(BDEV_PARMS *); |
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| 152 | #ifndef NDEBUG |
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| 153 | void ide_dump_status(void); |
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| 154 | #endif |
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| 155 | #endif |
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| 156 | |||
| 157 | #ifdef LOOP_BLOCK_DEVICE |
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| 158 | int loop_init(BDEV_PARMS *); |
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| 159 | #ifndef NDEBUG |
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| 160 | void loop_dump_status(void); |
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| 161 | #endif |
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| 162 | #endif |
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| 163 | |||
| 164 | /*+ find a device using its name +*/ |
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| 165 | __dev_t bdev_find_byname(char *name); |
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| 166 | |||
| 167 | /*+ find a device using its filesystem indicator +*/ |
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| 168 | __dev_t bdev_find_byfs(__uint8_t fsind); |
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| 169 | |||
| 170 | /*+ scan all devices present +*/ |
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| 171 | int bdev_scan_devices(int(*callback)(__dev_t,__uint8_t)); |
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| 172 | |||
| 80 | pj | 173 | __END_DECLS |
| 2 | pj | 174 | #endif |