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annotate src/condat2/com/include/ffs_pc_api.h @ 558:ddaa0263ea8e

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FFS dev.c: more sensible FFS config for potential future embedded modem products with K5A32xxCTM flash chips
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 20 Dec 2018 04:13:12 +0000
parents 93999a60b835
children
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1 /********************************************************************************/
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2 /* */
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3 /* File Name: ffs_pc_api.h */
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4 /* */
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5 /* Purpose: This header file contains the external constants and */
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6 /* prototypes related to the Flash File System. */
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7 /* */
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8 /* Note: None. */
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9 /* */
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10 /* Revision History: */
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11 /* 02/27/02 Pascal Pompei */
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12 /* - Create. */
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13 /* */
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14 /* (C) Copyright 2002 by Texas Instruments Incorporated, All Rights Reserved. */
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15 /* */
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16 /********************************************************************************/
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17 #ifndef _FFS_PC_API_
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18 #define _FFS_PC_API_
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20 #include <windows.h>
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22 #ifdef __cplusplus
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23 extern "C"
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24 {
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25 #endif
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28 /******************************** FILE DESCRIPTOR *******************************/
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29 /* */
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30 /* Define the file descriptor. */
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31 typedef INT32 T_FFS_FD;
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34 /*********************************** FILE SIZE **********************************/
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35 /* */
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36 /* Define the file size. */
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37 typedef INT32 T_FFS_SIZE;
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40 /************************************ OFFSET ************************************/
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41 /* */
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42 /* Define the offset. */
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43 typedef UINT32 T_FFS_OFFSET;
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45 /************************************* FLAGS ************************************/
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46 /* */
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47 /* Define the modes used to open the file. */
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48 typedef UINT32 T_FFS_OPEN_FLAGS;
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50 #define FFS_O_CREATE (0x00000001)
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51 #define FFS_O_APPEND (0x00000002)
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52 #define FFS_O_EXCL (0x00000004)
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53 #define FFS_O_TRUNC (0x00000008)
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54 #define FFS_O_RDONLY (0x00000010)
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55 #define FFS_O_WRONLY (0x00000020)
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56 #define FFS_O_RDWR (FFS_O_RDONLY | FFS_O_WRONLY)
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58 /* Define the starting point for the file pointer move. */
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59 typedef UINT32 T_FFS_WHENCE;
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61 #define FFS_SEEK_SET (FILE_BEGIN)
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62 #define FFS_SEEK_CUR (FILE_CURRENT)
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63 #define FFS_SEEK_END (FILE_END)
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66 /*********************************** META-DATA **********************************/
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67 /* */
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68 /* Define object types. */
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69 typedef enum
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70 {
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71 OT_FILE = 0x00000001,
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72 OT_DIR,
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73 OT_LINK
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74 } T_FFS_OBJECT_TYPE;
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75
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76 /* Define a structure used to gather information (meta-data) about an object. */
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77 typedef struct
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78 {
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79 T_FFS_OBJECT_TYPE type; /* Object type: file, folder, ... */
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80 T_FFS_SIZE size; /* Size of data space occupied by object. */
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81 } T_FFS_STAT;
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82
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84 /*********************************** DIRECTORY **********************************/
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85 /* */
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86 /* Define a structure used to gather information about a directory. */
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87 typedef struct
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88 {
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89 WIN32_FIND_DATA find_data;
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90 HANDLE search_handle;
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91 } T_FFS_DIR;
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92
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93
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94 /***************************** INTERNAL ERROR CODES *****************************/
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95 /* */
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96 /* Define the internal error codes. */
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97 typedef enum
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98 {
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99 EFFS_OK = 0, /* OK. */
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100
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101 EFFS_NODEVICE = -1, /* Flash device unknown. */
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102 EFFS_CORRUPTED = -2, /* File system corrupted. */
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103 EFFS_NOPREFORMAT = -3, /* Flash File System not preformatted. */
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104 EFFS_NOFORMAT = -4, /* Flash File System not formatted. */
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105 EFFS_BADFORMAT = -5, /* Format not recognized. */
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106 EFFS_MAGIC = -6, /* Bad magic. */
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107 EFFS_AGAIN = -7, /* Not ready, try again later on. */
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108 EFFS_NOSYS = -8, /* Function not implemented. */
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109 EFFS_DRIVER = -9, /* Driver error. */
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111 EFFS_NOSPACE = -10, /* Out of file space (no free data space). */
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112 EFFS_FSFULL = -11, /* File system full (no free inodes). */
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113 EFFS_BADNAME = -12, /* Bad filename. */
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114 EFFS_NOTFOUND = -13, /* Not found. */
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115 EFFS_EXISTS = -14, /* Object already exists. */
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116 EFFS_ACCESS = -15, /* File access permission violation. */
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117 EFFS_NAMETOOLONG = -16, /* Filename too long. */
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118 EFFS_INVALID = -17, /* Invalid argument. */
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119 EFFS_DIRNOTEMPTY = -18, /* Directory not empty. */
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120 EFFS_NOTADIR = -19, /* Object is not a directory. */
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121 EFFS_SPARE = -20, /* Spare. */
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122
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123 EFFS_FILETOOBIG = -21, /* File too big. */
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124 EFFS_NOTAFILE = -22, /* Object is not a file. */
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125 EFFS_PATHTOODEEP = -23, /* Path too deep. */
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126 EFFS_NUMFD = -24, /* Maximum number of open files reached. */
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127 EFFS_BADFD = -25, /* Bad file descriptor. */
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128 EFFS_BADOP = -26, /* Bad options. */
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129 EFFS_LOCKED = -27, /* File locked by another file descriptor. */
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130
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131 EFFS_TOOBIG = -30, /* Too big (buffer overflow). */
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132 EFFS_MSGALLOC = -31, /* Message allocation failed. */
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133 EFFS_MSGSEND = -32, /* Message send failed. */
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134
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135 EFFS_SIBLINGLOOP = -40, /* Directory sibling loop. */
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136 EFFS_NOBLOCKS = -41, /* No more blocks. */
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137 EFFS_DBR = -42, /* Data reclaim did not finish. */
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138 } T_FFS_RET;
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139
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140
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141 /*
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142 * Prototypes for functions provided by the FFS simulation on the PC
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143 */
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144 T_FFS_FD ffs_open (const char *pathname_p,
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145 T_FFS_OPEN_FLAGS flags);
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146 T_FFS_RET ffs_close (T_FFS_FD fd);
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147 T_FFS_SIZE ffs_write (T_FFS_FD fd,
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148 void *buffer_p,
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149 T_FFS_SIZE size);
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150 T_FFS_SIZE ffs_read (T_FFS_FD fd,
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151 void *buffer_p,
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152 T_FFS_SIZE size);
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153 T_FFS_SIZE ffs_seek (T_FFS_FD fd,
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154 T_FFS_SIZE offset,
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155 T_FFS_WHENCE whence);
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156 T_FFS_RET ffs_ftruncate (T_FFS_FD fd,
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157 T_FFS_OFFSET length);
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158 T_FFS_RET ffs_stat (const char *pathname_p,
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159 T_FFS_STAT *stat_p);
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160 T_FFS_RET ffs_remove (const char *pathname_p);
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161 T_FFS_RET ffs_mkdir (const char *pathname_p);
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162 T_FFS_SIZE ffs_opendir (const char *pathname_p,
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163 T_FFS_DIR *dir_p);
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164 T_FFS_SIZE ffs_readdir (T_FFS_DIR *dir_p,
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165 char *buffer_p,
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166 T_FFS_SIZE size);
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167 T_FFS_RET ffs_rename (const char *old_pathname_p,
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168 const char *new_pathname_p);
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169
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170 T_FFS_SIZE ffs_file_read(const char *name, void *addr, T_FFS_SIZE size);
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171
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172 T_FFS_SIZE ffs_init (void);
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173
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diff changeset
174 #ifdef __cplusplus
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175 }
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176 #endif
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177
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178 #endif /* #ifndef _FFS_PC_API_ */