FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/ffs/ffs.h @ 488:ff91db8c9eb8
OSL: os_com_fl.c compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 22 Jun 2018 06:38:03 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 /****************************************************************************** |
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2 * Flash File System (ffs) |
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com |
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4 * |
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5 * FFS Types and globals |
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6 * |
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7 * $Id: ffs.h 1.19.1.45.1.26 Mon, 28 Apr 2003 11:27:14 +0200 cm $ |
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8 * |
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9 ******************************************************************************/ |
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10 |
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11 #ifndef _FFS_H_ |
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12 #define _FFS_H_ |
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13 |
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14 #ifndef TARGET |
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15 #include "ffs.cfg" |
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16 #endif |
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17 |
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18 #ifdef _RVF |
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19 #include "rvf/rvf_api.h" |
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20 #include "rvm/rvm_use_id_list.h" |
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21 #endif |
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22 |
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23 /****************************************************************************** |
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24 * Types |
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25 ******************************************************************************/ |
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26 |
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27 #ifndef BASIC_TYPES |
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28 #define BASIC_TYPES |
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29 typedef signed char int8; |
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30 typedef unsigned char uint8; |
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31 typedef signed short int16; |
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32 typedef unsigned short uint16; |
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33 typedef signed int int32; |
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34 typedef unsigned int uint32; |
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35 #endif |
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36 |
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37 #if (TARGET == 1) |
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38 // Unique message offset returned in the header of each mail (msg_id). |
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39 #define FFS_MESSAGE_OFFSET BUILD_MESSAGE_OFFSET(FFS_USE_ID) |
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40 #endif |
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41 |
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42 typedef int8 effs_t; // error type |
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43 //typedef int effs_t; |
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44 typedef int32 req_id_t; // request id |
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45 typedef int32 offset_t; // offset from first address of ffs. |
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46 typedef uint32 location_t; // object location offset |
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47 typedef int32 blocksize_t; // can hold size of a block |
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48 typedef uint8 objflags_t; // object flags |
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49 typedef uint8 objtype_t; // object type |
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50 |
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51 typedef int16 iref_t; // inode reference |
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52 typedef int8 bref_t; // block reference |
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53 |
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54 typedef int32 fd_t; // file descriptor |
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55 typedef uint16 ffs_options_t; // option flags to open() and file_write() |
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56 |
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57 // For directory operations |
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58 struct dir_s { |
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59 iref_t this; // iref of dir that was opened |
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60 iref_t index; // last inode returned by ffs_readdir() |
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61 }; |
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62 |
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63 // File stat structure |
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64 struct stat_s { |
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65 objtype_t type; |
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66 objflags_t flags; |
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67 iref_t inode; |
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68 int size; // size of data space occupied by object |
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69 }; |
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70 |
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71 // File xstat structure |
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72 struct xstat_s { |
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73 objtype_t type; |
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74 objflags_t flags; |
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75 iref_t inode; |
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76 int size; // size of data space occupied by object |
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77 int space; // size of physical data space occupied by object |
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78 location_t location; |
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79 uint8 reserved; // only for debug |
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80 bref_t block; // only for debug |
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81 uint16 sequence; // only for debug |
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82 uint16 updates; // only for debug |
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83 }; |
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84 |
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85 #if (TARGET == 0) |
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86 // Only use to run on PC and not in target. Must be syncron with the typedef |
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87 // from rv_general.h |
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88 typedef void (*CALLBACK_FUNC)(void *); |
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89 |
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90 typedef uint16 T_RVF_ADDR_ID; |
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91 |
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92 /* define return_path */ |
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93 typedef struct |
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94 { |
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95 T_RVF_ADDR_ID addr_id; |
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96 void (*callback_func)(void *); |
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97 } T_RV_RETURN; |
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98 |
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99 /* Define the header of each message used in Riviera. */ |
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100 typedef struct { |
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101 uint32 msg_id; |
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102 void (*callback_func)(void *); |
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103 T_RVF_ADDR_ID src_addr_id; |
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104 T_RVF_ADDR_ID dest_addr_id; |
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105 } T_RV_HDR; |
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106 |
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107 // Used riviera types |
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108 typedef uint16 UINT16; |
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109 typedef int8 INT8; |
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110 |
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111 #endif |
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112 |
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113 // Confirm mail sent from FFS task to caller (application) |
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114 struct ffs_file_cnf_s { |
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115 T_RV_HDR header; |
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116 int error; // error code of FFS operation |
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117 req_id_t request_id; // Unique id number |
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118 char *path; // path name of object operation was performed on |
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119 }; |
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120 |
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121 struct ffs_stream_cnf_s { |
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122 T_RV_HDR header; |
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123 int error; // error code of FFS operation |
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124 req_id_t request_id; // Unique id number |
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125 fd_t fdi; // file descriptor |
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126 }; |
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127 |
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128 /****************************************************************************** |
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129 * RVF Types |
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130 ******************************************************************************/ |
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131 |
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132 typedef ffs_options_t T_FFS_OPEN_FLAGS; |
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133 typedef int T_FFS_SIZE; |
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134 typedef offset_t T_FFS_OFFSET; |
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135 typedef effs_t T_FFS_RET; |
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136 typedef req_id_t T_FFS_REQ_ID; |
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137 typedef int T_FFS_WHENCE; |
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138 typedef fd_t T_FFS_FD; |
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139 typedef objtype_t T_FFS_OBJECT_TYPE; |
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140 typedef objflags_t T_FFS_FLAGS; |
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141 typedef struct stat_s T_FFS_STAT; |
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142 typedef struct xstat_s T_FFS_XSTAT; |
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143 typedef struct dir_s T_FFS_DIR; |
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144 typedef struct ffs_file_cnf_s T_FFS_FILE_CNF; |
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145 typedef struct ffs_stream_cnf_s T_FFS_STREAM_CNF; |
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146 |
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147 /****************************************************************************** |
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148 * Errors |
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149 ******************************************************************************/ |
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150 |
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151 enum FFS_ERRORS { |
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152 EFFS_OK = 0, /* ok */ |
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153 EFFS_NODEVICE = -1, /* flash device unknown */ |
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154 EFFS_CORRUPTED = -2, /* filesystem corrupted!? */ |
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155 EFFS_NOPREFORMAT = -3, /* ffs not preformatted */ |
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156 EFFS_NOFORMAT = -4, /* ffs not formatted */ |
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157 EFFS_BADFORMAT = -5, /* incompatible ffs version, re-format needed */ |
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158 EFFS_MAGIC = -6, /* bad magic */ |
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159 EFFS_AGAIN = -7, /* not ready, try again later */ |
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160 EFFS_NOSYS = -8, /* function not implemented */ |
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161 EFFS_DRIVER = -9, /* ffs device driver error */ |
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162 |
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163 EFFS_NOSPACE = -10, /* out of data space */ |
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164 EFFS_FSFULL = -11, /* file system full, no free inodes */ |
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165 EFFS_BADNAME = -12, /* bad filename */ |
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166 EFFS_NOTFOUND = -13, /* object not found */ |
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167 EFFS_EXISTS = -14, /* object exists */ |
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168 EFFS_ACCESS = -15, /* access permission violation */ |
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169 EFFS_NAMETOOLONG = -16, /* filename too long */ |
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170 EFFS_INVALID = -17, /* invalid argument */ |
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171 EFFS_DIRNOTEMPTY = -18, /* directory not empty */ |
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172 EFFS_NOTADIR = -19, /* object is not a directory */ |
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173 EFFS_SPARE = -20, /* SPARE */ |
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174 EFFS_FILETOOBIG = -21, /* file too big */ |
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175 EFFS_NOTAFILE = -22, /* object is not a file */ |
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176 EFFS_PATHTOODEEP = -23, /* path too deep */ |
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177 |
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178 EFFS_NUMFD = -24, /* Max number of open files reached */ |
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179 EFFS_BADFD = -25, /* Bad file descriptor */ |
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180 EFFS_BADOP = -26, /* Bad operation */ |
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181 EFFS_LOCKED = -27, /* The file is locked */ |
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182 |
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183 EFFS_TOOBIG = -30, /* too big (tmffs buffer overflow) */ |
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184 EFFS_MEMORY = -31, /* out of memory */ |
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185 EFFS_MSGSEND = -32, /* message send failed */ |
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186 |
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187 /* debug errors */ |
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188 |
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189 EFFS_SIBLINGLOOP = -40, /* directory sibling loop */ |
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190 EFFS_NOBLOCKS = -41, /* No more blocks!? */ |
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191 EFFS_DBR = -42, /* Data reclaim did not finish!? */ |
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192 EFFS_RECLAIMLOOP = -43 /* Data reclaim loop */ |
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193 }; |
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194 |
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195 |
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196 /****************************************************************************** |
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197 * Enumerations |
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198 ******************************************************************************/ |
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199 |
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200 enum FFS_OBJECT_CONTROL_ACTION { |
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201 OC_FLAGS = 1 |
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202 }; |
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203 |
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204 enum FFS_OBJECT_TYPE { |
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205 OT_FILE = 1, |
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206 OT_DIR = 2, |
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207 OT_LINK = 3, |
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208 OT_SEGMENT = 4 |
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209 }; |
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210 |
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211 enum FFS_OBJECT_FLAGS { |
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212 OF_READONLY = 1<<4 // object cannot be modified |
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213 }; |
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214 |
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215 enum FFS_OPEN { |
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216 FFS_O_EMPTY = 0x00, // Okay? |
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217 FFS_O_CREATE = 0x01, |
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218 FFS_O_APPEND = 0x02, |
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219 FFS_O_EXCL = 0x04, |
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220 FFS_O_TRUNC = 0x08, |
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221 FFS_O_RDONLY = 0x10, |
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222 FFS_O_WRONLY = 0x20, |
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223 FFS_O_RDWR = FFS_O_RDONLY | FFS_O_WRONLY |
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224 }; |
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225 |
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226 enum FFS_SEEK { |
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227 FFS_SEEK_SET = 0, |
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228 FFS_SEEK_CUR = 1, |
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229 FFS_SEEK_END = 2 |
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230 }; |
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231 |
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232 // FIXME: debug indices to go into core.h |
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233 enum FFS_QUERY { // data size, description |
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234 Q_BYTES_FREE = 1, // 4, number of free bytes in FFS |
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235 Q_BYTES_USED = 2, // 4, number of used bytes in FFS |
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236 Q_BYTES_LOST = 3, // 4, number of lost bytes in FFS |
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237 Q_BYTES_MAX = 4, // 4, number of max available bytes in FFS |
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238 Q_BYTES_FREE_RAW = 5, // 4, number of free raw bytes in FFS (used internal) |
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239 |
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240 Q_FD_BUF_SIZE = 10, // 4, size of buffer used by stream functions |
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241 |
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242 Q_TM_BUFADDR = 11, // 4, testmode buffer addr |
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243 Q_TM_BUFSIZE = 12, // 4, testmode ffs buffer size |
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244 Q_DEV_BASE = 13, // 4, FFS device base address |
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245 Q_CHUNK_SIZE_MAX = 14, // 4, max size of chunks made by non stream fkt. |
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246 |
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247 // FFS versions |
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248 Q_FFS_API_VERSION = 16, // 2, FFS API Version |
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249 Q_FFS_DRV_VERSION = 17, // 2, FFS Driver Version |
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250 Q_FFS_REVISION = 18, // 2, FFS Revision (from PRCS) |
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251 Q_FFS_FORMAT_READ = 19, // 2, FFS version as read from ffs |
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252 Q_FFS_LASTERROR = 20, // 2, FFS last error (from init) |
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253 Q_FFS_FORMAT_WRITE = 21, // 2, FFS version as written to ffs on format |
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254 Q_FFS_TM_VERSION = 22, // 2, FFS Testmode version |
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255 |
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256 // File system queries |
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257 Q_FILENAME_MAX = 24, // 2, max filename length |
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258 Q_PATH_DEPTH_MAX = 25, // 2, max path/directory nesting depth |
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259 Q_FD_MAX = 26, // 2, max numbers of simultaneous open files |
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260 |
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261 Q_OBJECTS_FREE = 32, // 2, number of objects that can be created |
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262 Q_INODES_USED = 33, // 2, number of inodes used |
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263 Q_INODES_LOST = 34, // 2, number of inodes lost |
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264 Q_OBJECTS_USED = 33, // 2, DEPRECATED: old name for Q_INODES_USED |
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265 Q_OBJECTS_LOST = 34, // 2, DEPRECATED: old name for Q_INODES_LOST |
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266 Q_OBJECTS_MAX = 35, // 2, max number of valid objects allowed |
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267 Q_INODES_MAX = 36, // 2, physical total max number of inodes |
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268 Q_INODES_HIGH = 37, // 2, watermark for when inodes will be reclaimed |
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269 Q_LOST_HIGH = 38, // 2, watermark for when data block will be reclaimed |
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270 |
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271 // Device queries |
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272 Q_DEV_MANUFACTURER = 48, // 2, flash manufacturer ID |
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273 Q_DEV_DEVICE = 49, // 2, flash device ID |
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274 Q_DEV_BLOCKS = 50, // 2, number of FFS blocks in device |
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275 Q_DEV_ATOMSIZE = 51, // 2, atomsize used by FFS for this device |
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276 Q_DEV_DRIVER = 52, // 2, flash device driver |
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277 |
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278 // All queries below here are for debug purpose only, are unsupported |
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279 // and can change at any time without notice! |
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280 |
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281 // Miscellaneous/Internal |
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282 Q_BLOCKS_FREE_MIN = 64, // 2, Number of spare blocks (0 or 1) |
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283 |
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284 Q_BLOCKS_FREE = 70, // 2, number of free blocks |
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285 |
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286 // Debug queries |
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287 Q_FS_FLAGS = 80, |
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288 Q_FS_INODES = 81, |
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289 Q_FS_ROOT = 82, |
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290 |
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291 Q_OBJECTS_TOTAL = 90, // 2, Accumulated number of valid objects |
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292 Q_TOTAL_OBJECTS = 90, // 2, DEPRECATED: old name for Q_OBJECTS_TOTAL |
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293 |
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294 Q_STATS_FIRST = 100, |
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295 Q_STATS_DRECLAIMS = 100, |
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296 Q_STATS_IRECLAIMS = 101, |
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297 Q_STATS_BRECLAIMS = 102, |
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298 Q_STATS_DATA_RECLAIMED = 103, |
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299 Q_STATS_INODES_RECLAIMED = 104, |
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300 Q_STATS_DATA_ALLOCATED = 105, |
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301 |
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302 Q_REQUEST_ID_LAST = 110, |
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303 |
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304 Q_DEBUG_FIRST = 120, |
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305 Q_DEBUG_0 = 120, |
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306 Q_DEBUG_1 = 121, |
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307 Q_DEBUG_2 = 122, |
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308 Q_DEBUG_3 = 123, |
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309 Q_DEBUG_LAST = 127, |
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310 |
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311 // individual lines of the bstat array can be returned by the following |
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312 // id plus the bstat index of the line wanted. |
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313 Q_BSTAT = -128 |
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314 }; |
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315 |
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316 |
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317 /****************************************************************************** |
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318 * Function prototypes |
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319 ******************************************************************************/ |
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320 |
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321 #ifdef _ETM_ |
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322 /* Used by PC EMT only*/ |
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323 int FEXPORT ffs_initialize(void); |
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324 int FEXPORT ffs_preformat(uint16 magic); |
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325 int FEXPORT ffs_format(const char *name, uint16 magic); |
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326 int FEXPORT ffs_file_write(const char *name, void *buf, int size, |
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327 ffs_options_t flags); |
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328 int FEXPORT ffs_file_read(const char *name, void *buf, int size); |
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329 int FEXPORT ffs_readlink(const char *name, char *buf, int size); |
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330 int FEXPORT ffs_mkdir(const char *name); |
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331 int FEXPORT ffs_opendir(const char *name, struct dir_s *dir); |
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332 int FEXPORT ffs_readdir(struct dir_s *dir, char *name, int size); |
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333 int FEXPORT ffs_symlink(const char *name, const char *actualpath); |
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334 int FEXPORT ffs_stat(const char *name, struct stat_s *stat); |
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335 int FEXPORT ffs_xlstat(const char *name, struct xstat_s *xstat); |
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336 int FEXPORT ffs_query(int8 query, void *pt); |
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337 int FEXPORT ffs_fcontrol(const char *name, int8 action, int param); |
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338 int FEXPORT ffs_remove(const char *name); |
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339 |
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340 int FEXPORT ffs_open(const char *pathname, ffs_options_t option); |
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341 int FEXPORT ffs_close(fd_t fdi); |
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342 int FEXPORT ffs_write(fd_t fdi, void *src, int size); |
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343 int FEXPORT ffs_read(fd_t fdi, void *src, int size); |
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344 |
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345 int FEXPORT ffs_tffs(const char *string); |
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346 |
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347 #else |
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348 |
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349 // Call-back function prototypes |
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350 T_FFS_REQ_ID ffs_fcreate_nb(const char *name, void *addr, T_FFS_SIZE size, |
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351 T_RV_RETURN *cp); |
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352 T_FFS_REQ_ID ffs_fupdate_nb(const char *name, void *addr, T_FFS_SIZE size, |
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353 T_RV_RETURN *cp); |
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354 T_FFS_REQ_ID ffs_fwrite_nb(const char *name, void *addr, T_FFS_SIZE size, |
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355 T_RV_RETURN *cp); |
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356 T_FFS_REQ_ID ffs_file_write_nb(const char *name, void *addr, T_FFS_SIZE size, |
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357 T_FFS_OPEN_FLAGS flags, T_RV_RETURN *cp); |
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358 |
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359 T_FFS_REQ_ID ffs_mkdir_nb(const char *name, T_RV_RETURN *cp); |
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360 T_FFS_REQ_ID ffs_symlink_nb(const char *name, const char *actualpath, |
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361 T_RV_RETURN *cp); |
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362 |
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363 T_FFS_REQ_ID ffs_remove_nb(const char *namestruct, T_RV_RETURN *cp); |
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364 T_FFS_REQ_ID ffs_fcontrol_nb(const char *pathname, INT8 action, int param, |
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365 T_RV_RETURN *cp); |
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366 |
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367 T_FFS_REQ_ID ffs_rename_nb(const char *oldname, const char *newname, |
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368 T_RV_RETURN *cp); |
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369 T_FFS_REQ_ID ffs_preformat_nb(UINT16 magic, T_RV_RETURN *cp); |
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370 T_FFS_REQ_ID ffs_format_nb(const char *name, UINT16 magic, T_RV_RETURN *cp); |
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371 |
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372 T_FFS_REQ_ID ffs_open_nb(const char *name, T_FFS_OPEN_FLAGS option, |
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373 T_RV_RETURN *cp); |
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374 T_FFS_REQ_ID ffs_close_nb(T_FFS_FD fdi, T_RV_RETURN *cp); |
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375 T_FFS_REQ_ID ffs_write_nb(T_FFS_FD fdi, void *src, T_FFS_SIZE size, |
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376 T_RV_RETURN *cp); |
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377 T_FFS_REQ_ID ffs_seek_nb(T_FFS_FD fdi, T_FFS_SIZE offset, T_FFS_WHENCE whence |
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378 , T_RV_RETURN *cp); |
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379 T_FFS_REQ_ID ffs_truncate_nb(const char *path, T_FFS_OFFSET length, |
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380 T_RV_RETURN *cp); |
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381 T_FFS_REQ_ID ffs_ftruncate_nb(T_FFS_FD fdi, T_FFS_OFFSET length, |
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382 T_RV_RETURN *cp); |
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383 T_FFS_REQ_ID ffs_fdatasync_nb(T_FFS_FD fdi, T_RV_RETURN *cp); |
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384 |
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385 // No-call-back function prototypes |
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386 T_FFS_RET ffs_fcreate(const char *name, void *addr, T_FFS_SIZE size); |
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387 T_FFS_RET ffs_fupdate(const char *name, void *addr, T_FFS_SIZE size); |
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388 T_FFS_RET ffs_fwrite(const char *name, void *addr, T_FFS_SIZE size); |
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389 T_FFS_RET ffs_file_write(const char *name, void *addr, T_FFS_SIZE size, |
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390 T_FFS_OPEN_FLAGS flags); |
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391 T_FFS_SIZE ffs_fread(const char *name, void *addr, T_FFS_SIZE size); |
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392 T_FFS_SIZE ffs_file_read(const char *name, void *addr, T_FFS_SIZE size); |
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393 |
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394 T_FFS_RET ffs_mkdir(const char *name); |
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395 T_FFS_SIZE ffs_opendir(const char *name, T_FFS_DIR *dir); |
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396 T_FFS_SIZE ffs_readdir (T_FFS_DIR *dir, char *name, T_FFS_SIZE size); |
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397 |
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398 T_FFS_RET ffs_symlink(const char *name, const char *actualpath); |
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399 T_FFS_SIZE ffs_readlink(const char *name, char *addr, T_FFS_SIZE size); |
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400 |
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401 T_FFS_RET ffs_stat(const char *name, T_FFS_STAT *stat); |
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402 T_FFS_RET ffs_linkstat(const char *name, T_FFS_STAT *stat); |
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403 T_FFS_RET ffs_lstat(const char *name, T_FFS_STAT *stat); |
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404 T_FFS_RET ffs_xlstat(const char *name, T_FFS_XSTAT *stat); |
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405 T_FFS_RET ffs_fstat(T_FFS_FD fdi, T_FFS_STAT *stat); |
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406 |
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407 T_FFS_RET ffs_remove(const char *name); |
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408 T_FFS_RET ffs_fcontrol(const char *pathname, INT8 action, int param); |
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409 |
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410 |
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411 T_FFS_RET ffs_rename(const char *oldname, const char *newname); |
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412 |
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413 T_FFS_RET ffs_query(INT8 query, void *p); |
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414 |
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415 T_FFS_RET ffs_preformat(UINT16 magic); |
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416 T_FFS_RET ffs_format(const char *name, UINT16 magic); |
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417 |
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418 T_FFS_FD ffs_open(const char *name, T_FFS_OPEN_FLAGS option); |
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419 T_FFS_RET ffs_close(T_FFS_FD fdi); |
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420 T_FFS_SIZE ffs_write(T_FFS_FD fdi, void *src, T_FFS_SIZE amount); |
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421 T_FFS_SIZE ffs_seek(T_FFS_FD fdi, T_FFS_SIZE offset, T_FFS_WHENCE whence); |
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422 T_FFS_SIZE ffs_read(T_FFS_FD fdi, void *src, T_FFS_SIZE size); |
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423 |
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424 T_FFS_RET ffs_truncate(const char *path, T_FFS_OFFSET length); |
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425 |
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426 T_FFS_RET ffs_ftruncate(T_FFS_FD fdi, T_FFS_OFFSET length); |
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427 |
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428 T_FFS_RET ffs_fdatasync(T_FFS_FD fdi); |
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429 |
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430 // This function is to be implemented by user. It is defined in cfgffs.c. |
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431 extern T_FFS_RET ffs_is_modifiable(const char *name); |
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432 #endif |
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433 |
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434 #endif //_FFS_H_ |
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435 |
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436 |
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437 |
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438 |
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439 |
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440 |
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441 |
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442 |
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443 |
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444 |
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445 |
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446 |
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447 |
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448 |
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449 |
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450 |
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451 |
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452 |