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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 |