fs/yaffs2/yportenv.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Charles Manning <charles@aleph1.co.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU Lesser General Public License version 2.1 as
  11  * published by the Free Software Foundation.
  12  *
  13  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  14  */
  15
  16
  17 #ifndef __YPORTENV_H__
  18 #define __YPORTENV_H__
  19
  20 #include <linux/types.h>
  21
  22 /* Definition of types */
  23 #ifdef CONFIG_YAFFS_DEFINES_TYPES
  24 typedef unsigned char u8;
  25 typedef unsigned short u16;
  26 typedef unsigned u32;
  27 #endif
  28
  29
  30 #ifdef CONFIG_YAFFS_PROVIDE_DEFS
  31 /* File types */
  32
  33
  34 #define DT_UNKNOWN      0
  35 #define DT_FIFO         1
  36 #define DT_CHR          2
  37 #define DT_DIR          4
  38 #define DT_BLK          6
  39 #define DT_REG          8
  40 #define DT_LNK          10
  41 #define DT_SOCK         12
  42 #define DT_WHT          14
  43
  44
  45 /*
  46  * Attribute flags.
  47  * These are or-ed together to select what has been changed.
  48  */
  49 #define ATTR_MODE       1
  50 #define ATTR_UID        2
  51 #define ATTR_GID        4
  52 #define ATTR_SIZE       8
  53 #define ATTR_ATIME      16
  54 #define ATTR_MTIME      32
  55 #define ATTR_CTIME      64
  56
  57 struct iattr {
  58         unsigned int ia_valid;
  59         unsigned ia_mode;
  60         unsigned ia_uid;
  61         unsigned ia_gid;
  62         unsigned ia_size;
  63         unsigned ia_atime;
  64         unsigned ia_mtime;
  65         unsigned ia_ctime;
  66         unsigned int ia_attr_flags;
  67 };
  68
  69 #endif
  70
  71
  72
  73 #if defined CONFIG_YAFFS_WINCE
  74
  75 #include "ywinceenv.h"
  76
  77
  78 #elif defined CONFIG_YAFFS_DIRECT
  79
  80 /* Direct interface */
  81 #include "ydirectenv.h"
  82
  83 #elif defined CONFIG_YAFFS_UTIL
  84
  85 #include "yutilsenv.h"
  86
  87 #else
  88 /* Should have specified a configuration type */
  89 #error Unknown configuration
  90
  91 #endif
  92
  93 #if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE)
  94
  95 #ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
  96
  97 #ifndef O_RDONLY
  98 #define O_RDONLY        00
  99 #endif
 100
 101 #ifndef O_WRONLY
 102 #define O_WRONLY        01
 103 #endif
 104
 105 #ifndef O_RDWR
 106 #define O_RDWR          02
 107 #endif
 108
 109 #ifndef O_CREAT
 110 #define O_CREAT         0100
 111 #endif
 112
 113 #ifndef O_EXCL
 114 #define O_EXCL          0200
 115 #endif
 116
 117 #ifndef O_TRUNC
 118 #define O_TRUNC         01000
 119 #endif
 120
 121 #ifndef O_APPEND
 122 #define O_APPEND        02000
 123 #endif
 124
 125 #ifndef SEEK_SET
 126 #define SEEK_SET        0
 127 #endif
 128
 129 #ifndef SEEK_CUR
 130 #define SEEK_CUR        1
 131 #endif
 132
 133 #ifndef SEEK_END
 134 #define SEEK_END        2
 135 #endif
 136
 137 #ifndef EBUSY
 138 #define EBUSY   16
 139 #endif
 140
 141 #ifndef ENODEV
 142 #define ENODEV  19
 143 #endif
 144
 145 #ifndef EINVAL
 146 #define EINVAL  22
 147 #endif
 148
 149 #ifndef ENFILE
 150 #define ENFILE  23
 151 #endif
 152
 153 #ifndef EBADF
 154 #define EBADF   9
 155 #endif
 156
 157 #ifndef EACCES
 158 #define EACCES  13
 159 #endif
 160
 161 #ifndef EXDEV
 162 #define EXDEV   18
 163 #endif
 164
 165 #ifndef ENOENT
 166 #define ENOENT  2
 167 #endif
 168
 169 #ifndef ENOSPC
 170 #define ENOSPC  28
 171 #endif
 172
 173 #ifndef EROFS
 174 #define EROFS   30
 175 #endif
 176
 177 #ifndef ERANGE
 178 #define ERANGE 34
 179 #endif
 180
 181 #ifndef ENODATA
 182 #define ENODATA 61
 183 #endif
 184
 185 #ifndef ENOTEMPTY
 186 #define ENOTEMPTY 39
 187 #endif
 188
 189 #ifndef ENAMETOOLONG
 190 #define ENAMETOOLONG 36
 191 #endif
 192
 193 #ifndef ENOMEM
 194 #define ENOMEM 12
 195 #endif
 196
 197 #ifndef EFAULT
 198 #define EFAULT 14
 199 #endif
 200
 201 #ifndef EEXIST
 202 #define EEXIST 17
 203 #endif
 204
 205 #ifndef ENOTDIR
 206 #define ENOTDIR 20
 207 #endif
 208
 209 #ifndef EISDIR
 210 #define EISDIR 21
 211 #endif
 212
 213 #ifndef ELOOP
 214 #define ELOOP   40
 215 #endif
 216
 217
 218 /* Mode flags */
 219
 220 #ifndef S_IFMT
 221 #define S_IFMT          0170000
 222 #endif
 223
 224 #ifndef S_IFSOCK
 225 #define S_IFSOCK        0140000
 226 #endif
 227
 228 #ifndef S_IFIFO
 229 #define S_IFIFO         0010000
 230 #endif
 231
 232 #ifndef S_IFCHR
 233 #define S_IFCHR         0020000
 234 #endif
 235
 236 #ifndef S_IFBLK
 237 #define S_IFBLK         0060000
 238 #endif
 239
 240 #ifndef S_IFLNK
 241 #define S_IFLNK         0120000
 242 #endif
 243
 244 #ifndef S_IFDIR
 245 #define S_IFDIR         0040000
 246 #endif
 247
 248 #ifndef S_IFREG
 249 #define S_IFREG         0100000
 250 #endif
 251
 252 #define S_ISSOCK(m)     (((m) & S_IFMT) == S_IFSOCK)
 253 #define S_ISLNK(m)      (((m) & S_IFMT) == S_IFLNK)
 254 #define S_ISDIR(m)      (((m) & S_IFMT) == S_IFDIR)
 255 #define S_ISREG(m)      (((m) & S_IFMT) == S_IFREG)
 256 #define S_ISBLK(m)      (((m) & S_IFMT) == S_IFBLK)
 257 #define S_ISCHR(m)      (((m) & S_IFMT) == S_IFCHR)
 258 #define S_ISFIFO(m)     (((m) & S_IFMT) == S_IFIFO)
 259
 260
 261 #ifndef S_IREAD
 262 #define S_IREAD         0000400
 263 #endif
 264
 265 #ifndef S_IWRITE
 266 #define S_IWRITE        0000200
 267 #endif
 268
 269 #ifndef S_IEXEC
 270 #define S_IEXEC 0000100
 271 #endif
 272
 273 #ifndef XATTR_CREATE
 274 #define XATTR_CREATE 1
 275 #endif
 276
 277 #ifndef XATTR_REPLACE
 278 #define XATTR_REPLACE 2
 279 #endif
 280
 281 #ifndef R_OK
 282 #define R_OK    4
 283 #define W_OK    2
 284 #define X_OK    1
 285 #define F_OK    0
 286 #endif
 287
 288 #else
 289 #include <errno.h>
 290 #include <sys/stat.h>
 291 #include <fcntl.h>
 292 #endif
 293
 294 #endif
 295
 296 #ifndef Y_DUMP_STACK
 297 #define Y_DUMP_STACK() do { } while (0)
 298 #endif
 299
 300 #ifndef BUG
 301 #define BUG() do {\
 302         yaffs_trace(YAFFS_TRACE_BUG,\
 303                 "==>> yaffs bug: " __FILE__ " %d",\
 304                 __LINE__);\
 305         Y_DUMP_STACK();\
 306 } while (0)
 307 #endif
 308
 309 #endif