amigaffs.h 3.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef AMIGAFFS_H
  3. #define AMIGAFFS_H
  4. #include <linux/types.h>
  5. #include <asm/byteorder.h>
  6. #define FS_OFS 0x444F5300
  7. #define FS_FFS 0x444F5301
  8. #define FS_INTLOFS 0x444F5302
  9. #define FS_INTLFFS 0x444F5303
  10. #define FS_DCOFS 0x444F5304
  11. #define FS_DCFFS 0x444F5305
  12. #define MUFS_FS 0x6d754653 /* 'muFS' */
  13. #define MUFS_OFS 0x6d754600 /* 'muF\0' */
  14. #define MUFS_FFS 0x6d754601 /* 'muF\1' */
  15. #define MUFS_INTLOFS 0x6d754602 /* 'muF\2' */
  16. #define MUFS_INTLFFS 0x6d754603 /* 'muF\3' */
  17. #define MUFS_DCOFS 0x6d754604 /* 'muF\4' */
  18. #define MUFS_DCFFS 0x6d754605 /* 'muF\5' */
  19. #define T_SHORT 2
  20. #define T_LIST 16
  21. #define T_DATA 8
  22. #define ST_LINKFILE -4
  23. #define ST_FILE -3
  24. #define ST_ROOT 1
  25. #define ST_USERDIR 2
  26. #define ST_SOFTLINK 3
  27. #define ST_LINKDIR 4
  28. #define AFFS_ROOT_BMAPS 25
  29. /* Seconds since Amiga epoch of 1978/01/01 to UNIX */
  30. #define AFFS_EPOCH_DELTA ((8 * 365 + 2) * 86400LL)
  31. struct affs_date {
  32. __be32 days;
  33. __be32 mins;
  34. __be32 ticks;
  35. };
  36. struct affs_short_date {
  37. __be16 days;
  38. __be16 mins;
  39. __be16 ticks;
  40. };
  41. struct affs_root_head {
  42. __be32 ptype;
  43. __be32 spare1;
  44. __be32 spare2;
  45. __be32 hash_size;
  46. __be32 spare3;
  47. __be32 checksum;
  48. __be32 hashtable[1];
  49. };
  50. struct affs_root_tail {
  51. __be32 bm_flag;
  52. __be32 bm_blk[AFFS_ROOT_BMAPS];
  53. __be32 bm_ext;
  54. struct affs_date root_change;
  55. u8 disk_name[32];
  56. __be32 spare1;
  57. __be32 spare2;
  58. struct affs_date disk_change;
  59. struct affs_date disk_create;
  60. __be32 spare3;
  61. __be32 spare4;
  62. __be32 dcache;
  63. __be32 stype;
  64. };
  65. struct affs_head {
  66. __be32 ptype;
  67. __be32 key;
  68. __be32 block_count;
  69. __be32 spare1;
  70. __be32 first_data;
  71. __be32 checksum;
  72. __be32 table[1];
  73. };
  74. struct affs_tail {
  75. __be32 spare1;
  76. __be16 uid;
  77. __be16 gid;
  78. __be32 protect;
  79. __be32 size;
  80. u8 comment[92];
  81. struct affs_date change;
  82. u8 name[32];
  83. __be32 spare2;
  84. __be32 original;
  85. __be32 link_chain;
  86. __be32 spare[5];
  87. __be32 hash_chain;
  88. __be32 parent;
  89. __be32 extension;
  90. __be32 stype;
  91. };
  92. struct slink_front
  93. {
  94. __be32 ptype;
  95. __be32 key;
  96. __be32 spare1[3];
  97. __be32 checksum;
  98. u8 symname[1]; /* depends on block size */
  99. };
  100. struct affs_data_head
  101. {
  102. __be32 ptype;
  103. __be32 key;
  104. __be32 sequence;
  105. __be32 size;
  106. __be32 next;
  107. __be32 checksum;
  108. u8 data[1]; /* depends on block size */
  109. };
  110. /* Permission bits */
  111. #define FIBF_OTR_READ 0x8000
  112. #define FIBF_OTR_WRITE 0x4000
  113. #define FIBF_OTR_EXECUTE 0x2000
  114. #define FIBF_OTR_DELETE 0x1000
  115. #define FIBF_GRP_READ 0x0800
  116. #define FIBF_GRP_WRITE 0x0400
  117. #define FIBF_GRP_EXECUTE 0x0200
  118. #define FIBF_GRP_DELETE 0x0100
  119. #define FIBF_HIDDEN 0x0080
  120. #define FIBF_SCRIPT 0x0040
  121. #define FIBF_PURE 0x0020 /* no use under linux */
  122. #define FIBF_ARCHIVED 0x0010 /* never set, always cleared on write */
  123. #define FIBF_NOREAD 0x0008 /* 0 means allowed */
  124. #define FIBF_NOWRITE 0x0004 /* 0 means allowed */
  125. #define FIBF_NOEXECUTE 0x0002 /* 0 means allowed, ignored under linux */
  126. #define FIBF_NODELETE 0x0001 /* 0 means allowed */
  127. #define FIBF_OWNER 0x000F /* Bits pertaining to owner */
  128. #define FIBF_MASK 0xEE0E /* Bits modified by Linux */
  129. #endif