FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_app/ffs/board/core.h @ 276:4221c724c664
R2D: preparations for adding LCD hardware suspend handling
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 07 Sep 2021 21:05:38 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /****************************************************************************** |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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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 core functions |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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6 * |
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7 * $Id: core.h 1.80.1.15.1.36 Thu, 08 Jan 2004 15:05:23 +0100 tsj $ |
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8 * |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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9 ******************************************************************************/ |
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parents:
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10 |
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11 #if (TARGET == 1) |
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12 #include "rv/rv_defined_swe.h" |
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13 #endif |
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14 |
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15 /****************************************************************************** |
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16 * Compile option switches |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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17 ******************************************************************************/ |
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18 |
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19 // FFS compiled with extra test functionality |
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20 #define FFS_TEST 1 |
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21 |
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22 // Default max number of simultaneous open files |
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23 #ifdef RVM_MSFE_SWE |
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24 #define FFS_FD_MAX 20 |
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25 #else |
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26 #define FFS_FD_MAX 4 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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27 #endif |
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28 |
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29 #define FFS_RECLAIM_NEW 1 |
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30 |
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31 /****************************************************************************** |
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32 * Compile constants |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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33 ******************************************************************************/ |
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34 |
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35 // FFS API version (in four-digit BCD format) |
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36 #define FFS_API_VERSION ((uint16) 0x0642) |
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37 |
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38 // FFS_DRV_VERSION is in drv.h |
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39 |
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40 // TMFFS protocol version is in tmffs.h |
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41 |
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42 // Magic for determining (formatted) file system version. First two digits |
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43 // represent major version, bottom two digits represent minor version. An |
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44 // ffs code compiled for one major version X is compatible with any other |
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45 // format version with major = X. Minor version is incremented when adding |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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46 // new features that does not break compatibility. |
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47 #define FFS_FORMAT_VERSION (0x0210) |
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48 #define BLOCK_MAGIC_LOW ('f'<<8|'F') // "Ffs#" |
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49 #define BLOCK_MAGIC_HIGH ('#'<<8|'s') |
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50 #define BLOCK_MAGIC ((BLOCK_MAGIC_HIGH << 8)|(BLOCK_MAGIC_LOW)) |
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51 |
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52 // Absolute maximum number of inodes allowed |
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53 #define FFS_INODES_MAX 2048 |
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54 |
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55 // Default maximum number of inodes allowed |
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56 #define FFS_INODES_MAX_DEFAULT 1024 |
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57 |
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58 // Default number of path components (limit due to recursiveness of |
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59 // inodes_reclaim()) |
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60 #define FFS_PATH_DEPTH_MAX 6 |
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61 |
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62 // Maximum number of blocks (flash sectors) in a ffs system. FFS_BLOCKS_MAX |
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63 // must be >= the number of blocks in the largest flash device memory |
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64 // map. It is used to allocate the number of entries in the static bstat |
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65 // array. |
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66 #define FFS_BLOCKS_MAX 128 |
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67 // Default size of journal file (represented as 256'ths of the blocksize) |
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68 #define FFS_JOURNAL_SIZE_IN256THS 16 // one 16'ths of the block size. |
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69 |
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70 // Without the min size will the maximum of files (fs.blocks_files_max) in |
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71 // one block be 32 files if the blocksize is 8kB! |
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72 #define FFS_JOURNAL_SIZE_MIN 1024 |
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73 |
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74 #define FFS_JOURNAL_NAME ".journal" |
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75 |
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76 // Default max size of file name (excluding null terminator) |
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77 #define FFS_FILENAME_MAX 20 |
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78 |
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79 // Maximum distance in age between youngest and oldest blocks |
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80 #define FFS_DAGE_MAX 256 |
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81 #define FFS_DAGE_GAIN_MIN (FFS_DAGE_MAX / 4) |
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82 #define FFS_DAGE_EARLY_WIDTH 64 |
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83 |
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84 // Offset on file descriptors |
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85 #define FFS_FD_OFFSET '1' |
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86 |
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87 // Macros to set flags and test bits in flash memory words (negative logic) |
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88 #define BIT_SET(value, bits) ((value) & (~bits)) |
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89 #define IS_BIT_SET(value, bits) (~(value) & (bits)) |
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90 |
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91 // Number of free inodes and journal entries to keep for "emergencies" |
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92 #define FFS_INODES_MARGIN 4 |
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93 #define FFS_JOURNAL_MARGIN 4 |
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94 |
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95 |
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96 /****************************************************************************** |
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97 * Macros used in both drv.c and core.c |
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98 ******************************************************************************/ |
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99 |
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100 // Convert a offset_t value to a block index |
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101 #define offset2block(offset) (((uint32) offset) >> dev.binfo[0].size_ld) |
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102 |
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103 // Convert between offset and address |
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104 #define offset2addr(offset) (dev.base + (offset)) |
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105 |
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106 // Size of a block |
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107 #define blocksize(block) (1 << dev.binfo[block].size_ld) |
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108 |
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109 // Test if flag is set |
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110 #define is_open_option(options, flags) ((options & flags) == flags) |
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111 |
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112 // Amount of reserved space. |
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113 #define RESERVED_LOW 2 * fs.journal_size |
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114 #define RESERVED_NONE 0 |
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115 |
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116 // We have to saturate because a recently reclaimed inodes block could |
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117 // theoretically possess a high age |
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118 #define saturate_dage(dage) (dage > (2*FFS_DAGE_MAX) ? (2*FFS_DAGE_MAX) : dage) |
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119 |
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120 /****************************************************************************** |
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121 * External declarations |
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122 ******************************************************************************/ |
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123 |
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124 extern struct fs_s fs; |
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125 |
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126 extern struct ffs_stats_s stats; |
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127 |
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128 extern const struct block_info_s *binfo; |
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129 |
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130 |
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131 /****************************************************************************** |
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132 * Block Types |
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133 ******************************************************************************/ |
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134 |
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135 // Block age, ie. number of times block has been erased |
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136 typedef uint16 age_t; |
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137 |
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138 // Maximum age a block can have |
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139 #define BLOCK_AGE_MAX 0xFFFF |
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140 |
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141 // ffs block status flags. These are stored in the first 2 bytes of |
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142 // the ffs block in the flash sector. |
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143 enum BLOCK_FLAGS { |
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144 BF_LOST = 0x80, // block is lost and will soon be erased |
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145 BF_FREE = 0x40, // free (preformatted and with block magic) |
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146 BF_DATA = 0x02, // data |
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147 BF_CLEANING = 0x01, // block is being cleaned |
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148 BF_INODES = 0x10, // block contains inodes |
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149 BF_COPYING = 0x04 // block is a coming inodes block |
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150 }; |
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151 enum BLOCK_STATES { |
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152 BF_IS_EMPTY = ~(0), |
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153 BF_IS_FREE = ~(BF_FREE), |
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154 BF_IS_DATA = ~(BF_FREE | BF_DATA), |
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155 BF_IS_CLEANING = ~(BF_FREE | BF_DATA | BF_CLEANING), |
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156 BF_IS_COPYING = ~(BF_FREE | BF_COPYING), |
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157 BF_IS_INODES = ~(BF_FREE | BF_COPYING | BF_INODES), |
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158 BF_IS_INODES_LOST = ~(BF_FREE | BF_COPYING | BF_INODES | BF_LOST) |
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159 }; |
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160 |
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161 // Header of each FFS block |
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162 struct block_header_s { |
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163 uint16 magic_low; // 32-bit magic number |
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164 uint16 magic_high; |
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165 uint16 version; // FFS_FORMAT_VERSION used for formatting |
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166 age_t age; // number of times this block has been erased |
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167 uint16 flags; // status flags of this block (BLOCK_FLAGS) |
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168 uint16 reserved0; |
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169 uint16 reserved1; |
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170 uint16 reserved2; |
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171 }; |
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172 |
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173 // Important the below define MUST fit to the size of the header that is written |
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174 #define BHEADER_SIZE sizeof(struct block_header_s) |
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175 |
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176 #define OLD_BLOCK_MAGIC_LOW ('S'<<8|'F') // "FS" |
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177 #define OLD_FFS_FORMAT_VERSION (0x0100) // 1.00 (in four-digit BCD format) |
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178 |
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179 // Old header of each FFS block. From old/previous FFS format version |
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180 struct block_header_old_s { |
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181 uint8 flags; |
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182 uint8 copied; |
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183 uint8 magicflags; |
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184 uint8 reserved0; |
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185 uint16 magic_low; |
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186 uint16 magic_high; |
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187 uint16 reserved1; |
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188 uint16 reserved2; |
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189 }; |
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190 |
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191 // Block status. This struct holds the status of one ffs block This relation |
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192 // is always valid: <block size> = <used> + <lost> + <free>. The block size |
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193 // is obtained from the corresponding block_info structure. <used> and |
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194 // <lost> variables always holds a value which is a multiple of |
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195 // FFS_GRANULARITY. For inodes, <used> is number of inodes in active use, |
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196 // <lost> is number of deleted/lost inodes, <numfiles> is the index of the |
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197 // first free inode. |
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198 struct block_stat_s { |
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199 blocksize_t used; // number of used bytes |
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200 blocksize_t lost; // number of lost bytes |
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201 uint16 flags; // flash block flags (first 16 bits of each block) |
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202 uint16 objects; // number of valid objects |
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203 }; |
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204 |
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205 extern struct block_stat_s bstat[FFS_BLOCKS_MAX]; |
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206 |
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207 |
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208 /****************************************************************************** |
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209 * Object Types |
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210 ******************************************************************************/ |
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211 |
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212 // This enum MUST be in sync with the one in ffs.h. |
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213 enum OBJECT_TYPE_E { |
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214 // remaining filetypes are in ffs.h |
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215 OT_ERASED = 0, |
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parents:
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216 OT_NULL = 7, |
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217 OT_MASK = 7, |
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218 OT_MAX = 4 |
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219 }; |
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220 |
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221 // This enum MUST be in sync with the one in ffs.h. |
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222 enum OBJECT_FLAGS_E { |
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223 // remaining object flags are in ffs.h |
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parents:
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224 OF_UNDEF0 = 1<<5, |
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225 OF_UNDEF1 = 1<<6, |
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226 OF_EXACT = 1<<7, // used by control()/update_commit() interaction. This |
4e78acac3d88
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227 // is *not* an object flag! |
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228 OF_ALL = OF_READONLY, // all flags allowed to be changed by user |
4e78acac3d88
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229 OF_MASK = 0xF0 |
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230 }; |
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parents:
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231 |
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parents:
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232 struct inode_s { |
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233 uint16 size; |
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234 uint8 reserved; // size extension? |
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Mychaela Falconia <falcon@freecalypso.org>
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|
235 objflags_t flags; |
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Mychaela Falconia <falcon@freecalypso.org>
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236 iref_t child; // link to first inode in dir (this inode is a dir) |
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237 iref_t sibling; // link to next inode in same directory |
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238 location_t location; // location of object |
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239 uint16 sequence; // |
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240 uint16 updates; // times this object has been updated |
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241 }; |
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242 |
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243 struct file_descriptor_s { |
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244 char *buf; // Write buffer |
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245 iref_t seghead; // First chunk. Contain file name and optional data |
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246 iref_t wch; // Inode of work chunk (if chunk is read to buf) |
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247 int fp; // File pointer |
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248 int wfp; // Work file pointer always points to start of wch |
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249 int size; // Size of object (all chunks and data from buf) |
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250 int8 options; // Open options |
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251 int dirty; // Indicate if buf contain valid data or not |
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252 }; |
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253 |
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254 |
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255 /****************************************************************************** |
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256 * Journal types and global fs structure |
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257 ******************************************************************************/ |
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258 |
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259 enum JOURNAL_FLAGS { |
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260 JOURNAL_WRITING = 0x02, // journal is being written to journal file |
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261 JOURNAL_READY = 0x04, // journal has been written to journal file |
4e78acac3d88
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|
262 JOURNAL_DONE = 0x08 // journal has been written to ffs |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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263 }; |
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parents:
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|
264 |
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|
265 enum JOURNAL_STATES { |
4e78acac3d88
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266 JOURNAL_IS_EMPTY = ~(0), |
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parents:
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|
267 JOURNAL_IS_WRITING = ~(JOURNAL_WRITING), |
4e78acac3d88
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268 JOURNAL_IS_READY = ~(JOURNAL_WRITING | JOURNAL_READY), |
4e78acac3d88
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|
269 JOURNAL_IS_DONE = ~(JOURNAL_WRITING | JOURNAL_READY | JOURNAL_DONE) |
4e78acac3d88
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|
270 }; |
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parents:
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|
271 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
272 // Journal entry structure. Note that the state byte *MUST* be the first |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
273 // byte of the structure! |
4e78acac3d88
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|
274 struct journal_s { |
4e78acac3d88
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|
275 uint8 state; // state of journal entry. |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
276 objflags_t flags; // type of object |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
277 iref_t i; // iref of object |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
278 iref_t diri; // iref of object that is this object's parent/sibling |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
279 iref_t oldi; // iref of object being replaced (only for updates) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
280 location_t location; // object's location |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
281 uint16 size; // object's size |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
282 iref_t repli; // inode which is replaced |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
283 }; |
4e78acac3d88
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parents:
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|
284 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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285 // Main ffs info struct (initialised by ffs_initialize()) |
4e78acac3d88
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|
286 struct fs_s { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
287 struct inode_s *inodes_addr; // base address of inodes |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
288 iref_t root; // iref of root directory |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
289 bref_t inodes; // index into bstat containing inode block |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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changeset
|
290 bref_t newinodes; // index into bstat containing new inode block |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
291 bref_t blocks_free_min; // Number of spare blocks (0 or 1) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
292 int filesize_max; // Max size of object data |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
293 int reserved_space; // Byte size of space reserved for journal relocation |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
294 iref_t inodes_max; // Max number of inodes possible |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
295 iref_t inodes_high; // number of inodes triggering an inodes_reclaim() |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
296 iref_t objects_max; // Max number of objects (valid inodes) allowed |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
297 age_t age_max; // Max block age found by blocks_fsck() |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
298 iref_t block_files_max; // max number of files in a block |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
299 iref_t block_files_reserved; // Reserved for journals |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
300 uint16 format; // FFS version as formatted in flash blocks |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
301 uint16 sequence; // Object sequence number (for debug only) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
302 effs_t initerror; // ffs_initialize() return code |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
303 uint8 lost_threshold; // Threshold percentage for data block reclaim |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
304 uint8 flags; // Global FFS options/flags |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
305 uint8 filename_max; // Max length of a filename |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
306 uint8 path_depth_max; // Max path componenents allowed |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
307 uint8 numfds; // Mumber of available file descriptors |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
308 uint8 testflags; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
309 int8 journal_depth; // Current journal nesting depth (0 or 1) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
310 iref_t ijournal; // iref of journal file |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
311 uint32 journal_size; // Byte size of journal file |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
312 uint32 journal_pos; // Byte offset to first free entry in journal file |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
313 struct journal_s journal; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
314 uint8 fd_max; // number of max available file descriptors |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
315 int fd_buf_size; // size of stream buffer |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
316 struct file_descriptor_s fd[FFS_FD_MAX]; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
317 struct journal_s ojournal; // "Old" journal |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
318 int link_child; // Link child in journal or not |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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319 iref_t i_backup; // Used by ffs_file_write() |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
320 int chunk_size_max; // Max size of one chunk |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
321 int chunk_size_min; // Min size of one chunk |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
322 uint32 debug[4]; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
323 }; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
324 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
325 // This is the layout of the FFS performance statistics file. The file is |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
326 // created with the name ".statistics" in the root directory at format. It |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
327 // is updated after each data and inodes reclaim (after writing the file |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
328 // that provoked the reclaim). The file is only updated if it exists, so if |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
329 // the user does not want the file, she can erase it after the initial |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
330 // format. FIXME: The use of the .statistics file is not yet implemented |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
331 struct ffs_stats_s { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
332 uint32 data_allocated; // implemented |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
333 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
334 struct { // Not yet implemented |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
335 uint32 created; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
336 uint32 updated; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
337 uint32 read; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
338 } files; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
339 struct { // Not yet implemented |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
340 uint32 written[2]; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
341 uint32 read[2]; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
342 } bytes; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
343 struct { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
344 uint32 most_lost; // Block candidate |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
345 uint32 most_unused; // Block candidate |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
346 uint32 youngest; // Block candidate |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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347 uint32 valid[2]; // Amount of valid reclaimed data |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
348 uint32 lost[2]; // Amount of lost reclaimed data |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
349 } drec; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
350 struct { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
351 uint32 num; // Number of inode reclaims |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
352 uint32 valid; // Number of valid reclaimed inodes |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
353 uint32 lost; // Number of lost reclaimed inodes |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
354 } irec; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
355 }; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
356 extern struct ffs_stats_s stats; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
357 |
4e78acac3d88
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parents:
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|
358 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
359 /****************************************************************************** |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
360 * Miscellaneous types |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
361 ******************************************************************************/ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
362 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
363 // only used with (FFS_TEST == 1) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 enum TEST_RECOVERY { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
365 JOURNAL_TEST_BASE = 0x10, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 JOURNAL_TEST_EMPTY, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
367 JOURNAL_TEST_WRITING, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
368 JOURNAL_TEST_READY, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
369 JOURNAL_TEST_COMMITTING, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 JOURNAL_TEST_COMMITTED, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 JOURNAL_TEST_DONE, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 BLOCK_COMMIT_BASE = 0x20, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 BLOCK_COMMIT_BEFORE, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 BLOCK_COMMIT_NO_VALID, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 BLOCK_COMMIT_OLD_FREE, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 BLOCK_COMMIT_AFTER, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 BLOCK_RECLAIM_BASE = 0x40, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 BLOCK_RECLAIM_ALLOC, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 BLOCK_RECLAIM_CLEANING, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 BLOCK_RECLAIM_NO_CLEAN, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 BLOCK_RECOVER_OBJECTS |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 }; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 enum FLASH_DATA { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 FLASH_NULL8 = 0xFF, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 FLASH_NULL16 = 0xFFFF, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 FLASH_NULL32 = 0xFFFFFFFFL, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 IREF_NULL = FLASH_NULL16 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 }; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 // This enum MUST be in sync with the one in ffs.h. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 enum OBJECT_CONTROL { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 // remaining object control codes are in ffs.h |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 OC_FS_FLAGS = 80, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 OC_TRACE_INIT = 82, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 OC_DEV_MANUFACT = 88, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 OC_DEV_DEVICE = 89, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 OC_DEBUG_FIRST = 120, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 OC_DEBUG_0 = 120, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 OC_DEBUG_1 = 121, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 OC_DEBUG_2 = 122, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 OC_DEBUG_3 = 123, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 OC_DEBUG_LAST = 123, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 OC_FS_TESTFLAGS = 127 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 }; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 enum FS_FLAGS { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 FS_DIR_DATA = 0x01 // allow directory objects to contain data. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 }; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 enum RECLAIM_CANDIDATE { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 MOST_LOST, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 MOST_UNUSED, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 YOUNGEST |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 }; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 /****************************************************************************** |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 * Macros |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 ******************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 // Convert between location and offset |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 #define location2offset(location) ((location) << dev.atomlog2) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 #define offset2location(offset) (((uint32) offset) >> dev.atomlog2) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 // test if object is of a specific type |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 #define is_object(objp, type) (((objp)->flags & OT_MASK) == (type)) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 // test if object is valid (directory, file or symlink) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 #define is_object_valid(ip) ((ip->flags & OT_MASK) <= OT_MAX && (ip->flags & OT_MASK) != OT_ERASED) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 // test if block is in a specific state |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 #define is_block(block, state) (bstat[block].flags == (uint16) (state)) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 // test if block has certain flags set |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 #define is_block_flag(block, bits) (IS_BIT_SET(bstat[block].flags, (bits))) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 // convert an object's data address to the address of the object's name |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 #define addr2name(addr) (addr) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 // Convert a size to an aligned size |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 #define atomalign(size) (((size) + dev.atomsize-1) & ~dev.atomnotmask) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 #define wordalign(size) (((size) + 3) & ~3) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 #define halfwordalign(size) (((size) + 1) & ~1) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 #define inode_addr(i) (fs.inodes_addr + i) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 #define JOURNAL_POS_INITIAL (wordalign(2 + sizeof(FFS_JOURNAL_NAME) + 1)) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 /****************************************************************************** |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 * Function prototypes |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 ******************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 // Helper functions |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 effs_t is_filename(const char *s); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 int ffs_strlen(const char *s); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 int ffs_strcmp(const char *s, const char *p); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 char *addr2data(const char *addr, const struct inode_s *ip); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 int object_datasize(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 iref_t is_readonly(iref_t i, const char *name); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 iref_t dir_traverse(iref_t i, iref_t *entries); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 bref_t block_alloc(bref_t n, uint16 flags); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 bref_t block_alloc_try(bref_t *n); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 void block_flags_write(uint8 block, uint8 flags); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 offset_t data_alloc(int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 offset_t data_alloc_try(int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 offset_t data_reserved_alloc(int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 iref_t inode_alloc(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 effs_t is_fd_valid(fd_t fdi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 effs_t is_offset_in_buf(int offset, fd_t fdi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 iref_t chunk_alloc(int realsize, int is_journal, offset_t *offset); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 iref_t inode_alloc_try(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 fd_t get_fdi(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 offset_t data_prealloc(int realsize); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 // Functions used by API |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 effs_t object_update(iref_t oldi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 iref_t object_create(const char *name, const char *buf, int size, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 iref_t dir); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 int file_read(const char *name, void *addr, int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 int stream_read(fd_t fdi, void *src, int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 int object_read(const char *name, char *buf, int size, int linkflag); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 iref_t object_stat(const char *name, struct xstat_s *stat, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 int linkflag, int fdi, int extended); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 effs_t object_remove(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 iref_t object_rename(iref_t oldi, const char *newname, iref_t newdir); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 effs_t object_control(iref_t i, int8 action, int value); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 int object_truncate(const char *pathname, fd_t fdi, offset_t length); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 iref_t object_lookup(const char *path, char **leaf, iref_t *dir); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 iref_t object_lookup_once(const char *path, char **leaf, iref_t *dir); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 iref_t dir_open(const char *name); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 iref_t dir_next (iref_t dir, iref_t i, char *name, int8 size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 // Journalling |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 void journal_begin(iref_t oldi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 void journal_end(uint8 type); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 void journal_commit(uint8 type); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 int journal_push(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 int journal_pop(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 iref_t journal_create(iref_t oldi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 effs_t journal_init(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 // Format, Init and Reclaim |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 void block_preformat(bref_t b, age_t age); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 effs_t fs_preformat(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 effs_t is_formattable(int8 flag); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 effs_t fs_format(const char *fsname_and_options); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 effs_t ffs_initialize(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 void fs_params_init(const char *p); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 blocksize_t block_used(bref_t b); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 effs_t ffs_begin(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 int ffs_end(int error); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 int block_reclaim(bref_t b); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 int blocks_reclaim(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 void block_commit(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 iref_t data_reclaim(int space); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 int data_reclaim_try(int space); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 iref_t data_block_reclaim(bref_t b, int reclaim_candidate); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 iref_t object_relocate(iref_t oldi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 iref_t block_clean(bref_t b); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 void block_free(bref_t block); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 void inodes_set(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 effs_t inodes_reclaim(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 int reclaim(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 // Internally used functions |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 effs_t file_read_int(const char *path, void *src, int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 effs_t file_update(const char *path, void *src, int size); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 int statistics_file_create(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 int statistics_write(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 void statistics_init(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 void statistics_update_drec(int valid, int lost, int candidate); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 void statistics_update_irec(int valid, int lost); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 // Chunk Operations |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 iref_t segment_create(const char *buf, int size, iref_t dir); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 int segment_datasize(const struct inode_s *ip); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 int segment_read(iref_t i, char *buf, int size, int offset); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 iref_t segment_next(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 iref_t segment_traverse(iref_t i, iref_t *entries); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 int segfile_seek(iref_t in_i, int in_pos, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 iref_t *out_i, int *out_pos_i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 iref_t chunk_traverse(iref_t i); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 effs_t datasync(fd_t fdi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 // debug/test functions |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 void tr_bstat(void); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 void tr_fd(fd_t fdi); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 // These prototypes really belong in ffs.h but as they have not been |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 // implemented, we will not show these prototypes to application |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 // programmers. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 effs_t fcntl(fd_t fd, int8 action, uint32 *param); |