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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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| 42 | * CVS : $Id: bdevinit.h,v 1.1.1.1 2002-03-29 14:12:51 pj Exp $ |
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| 43 | * |
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| 44 | * File: $File$ |
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| 45 | * Revision: $Revision: 1.1.1.1 $ |
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| 46 | * Last update: $Date: 2002-03-29 14:12:51 $ |
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| 47 | */ |
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| 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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| 57 | |||
| 58 | /* prolog */ |
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| 59 | #define BASE_BDEV_START 0 |
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| 60 | |||
| 61 | /* |
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| 62 | * IDE |
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| 63 | */ |
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| 64 | |||
| 65 | #ifdef IDE_BLOCK_DEVICE |
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| 66 | |||
| 67 | typedef struct ide_parms { |
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| 68 | void *parm_initserver; |
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| 69 | } IDE_PARMS; |
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| 70 | |||
| 71 | #define IDEPARMS(ptr) ((ptr)->ideparms) |
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| 72 | |||
| 73 | #define BASE_BDEV_IDE BASE_BDEV_START,{NULL} |
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| 74 | |||
| 75 | /* |
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| 76 | typedef struct ide_parms { |
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| 77 | __uint8_t pclass; |
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| 78 | __uint32_t dline; |
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| 79 | __uint32_t wcet; |
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| 80 | } IDE_PARMS; |
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| 81 | |||
| 82 | #define BASE_IDE {DEFAULT,DEFAULT,DEFAULT} |
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| 83 | |||
| 84 | #define ide_def_task(s,p,d,w) {(s).pclass=(p); (s).dline=(d); (s).wcet=(w);} |
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| 85 | */ |
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| 86 | |||
| 87 | #else |
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| 88 | |||
| 89 | #define BASE_BDEV_IDE BASE_BDEV_START |
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| 90 | |||
| 91 | #endif |
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| 92 | |||
| 93 | /* |
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| 94 | * LOOP |
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| 95 | */ |
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| 96 | |||
| 97 | #ifdef LOOP_BLOCK_DEVICE |
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| 98 | |||
| 99 | typedef struct loop_parms { |
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| 100 | int dummy; |
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| 101 | } LOOP_PARMS; |
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| 102 | |||
| 103 | #define BASE_BDEV_LOOP BASE_BDEV_IDE,{0} |
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| 104 | |||
| 105 | #else |
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| 106 | |||
| 107 | #define BASE_BDEV_LOOP BASE_BDEV_IDE |
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| 108 | |||
| 109 | #endif |
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| 110 | |||
| 111 | /* epilog */ |
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| 112 | #define BASE_BDEV_OPTIONAL BASE_BDEV_LOOP |
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| 113 | |||
| 114 | /* |
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| 115 | * block device params structure |
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| 116 | */ |
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| 117 | |||
| 118 | extern NPP_mutexattr_t bdevdef_mutexattr; |
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| 119 | |||
| 120 | typedef struct bdev_parms { |
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| 121 | __uint32_t showinfo:1; |
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| 122 | char *config; |
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| 123 | void *bmutexattr; |
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| 124 | |||
| 125 | __uint16_t dummy; |
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| 126 | |||
| 127 | #ifdef IDE_BLOCK_DEVICE |
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| 128 | IDE_PARMS ideparms; |
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| 129 | #endif |
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| 130 | |||
| 131 | #ifdef LOOP_BLOCK_DEVICE |
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| 132 | LOOP_PARMS loopparms; |
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| 133 | #endif |
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| 134 | |||
| 135 | } BDEV_PARMS; |
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| 136 | |||
| 137 | #define bdev_def_showinfo(s,v) ((s).showinfo=(v)&1) |
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| 138 | #define bdev_def_configstring(s,v) ((s).config=(v)) |
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| 139 | #define bdev_def_mutexattrptr(s,v) ((s).bmutexattr=(v)) |
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| 140 | |||
| 141 | #define BASE_BDEV {0,NULL,(void*)&bdevdef_mutexattr,BASE_BDEV_OPTIONAL} |
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| 142 | |||
| 143 | /**/ |
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| 144 | |||
| 145 | int bdev_init(BDEV_PARMS *); |
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| 146 | |||
| 147 | #ifdef IDE_BLOCK_DEVICE |
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| 148 | int ide_init(BDEV_PARMS *); |
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| 149 | #ifndef NDEBUG |
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| 150 | void ide_dump_status(void); |
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| 151 | #endif |
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| 152 | #endif |
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| 153 | |||
| 154 | #ifdef LOOP_BLOCK_DEVICE |
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| 155 | int loop_init(BDEV_PARMS *); |
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| 156 | #ifndef NDEBUG |
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| 157 | void loop_dump_status(void); |
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| 158 | #endif |
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| 159 | #endif |
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| 160 | |||
| 161 | /*+ find a device using its name +*/ |
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| 162 | __dev_t bdev_find_byname(char *name); |
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| 163 | |||
| 164 | /*+ find a device using its filesystem indicator +*/ |
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| 165 | __dev_t bdev_find_byfs(__uint8_t fsind); |
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| 166 | |||
| 167 | /*+ scan all devices present +*/ |
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| 168 | int bdev_scan_devices(int(*callback)(__dev_t,__uint8_t)); |
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| 169 | |||
| 170 | #endif |