vxfs_inode.h 4.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (c) 2000-2001 Christoph Hellwig.
  4. * Copyright (c) 2016 Krzysztof Blaszkowski
  5. */
  6. #ifndef _VXFS_INODE_H_
  7. #define _VXFS_INODE_H_
  8. /*
  9. * Veritas filesystem driver - inode structure.
  10. *
  11. * This file contains the definition of the disk and core
  12. * inodes of the Veritas Filesystem.
  13. */
  14. #define VXFS_ISIZE 0x100 /* Inode size */
  15. #define VXFS_NDADDR 10 /* Number of direct addrs in inode */
  16. #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */
  17. #define VXFS_NIMMED 96 /* Size of immediate data in inode */
  18. #define VXFS_NTYPED 6 /* Num of typed extents */
  19. #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL)
  20. #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL)
  21. #define VXFS_TYPED_TYPESHIFT 56
  22. #define VXFS_TYPED_PER_BLOCK(sbp) \
  23. ((sbp)->s_blocksize / sizeof(struct vxfs_typed))
  24. /*
  25. * Possible extent descriptor types for %VXFS_ORG_TYPED extents.
  26. */
  27. enum {
  28. VXFS_TYPED_INDIRECT = 1,
  29. VXFS_TYPED_DATA = 2,
  30. VXFS_TYPED_INDIRECT_DEV4 = 3,
  31. VXFS_TYPED_DATA_DEV4 = 4,
  32. };
  33. /*
  34. * Data stored immediately in the inode.
  35. */
  36. struct vxfs_immed {
  37. __u8 vi_immed[VXFS_NIMMED];
  38. };
  39. struct vxfs_ext4 {
  40. __fs32 ve4_spare; /* ?? */
  41. __fs32 ve4_indsize; /* Indirect extent size */
  42. __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */
  43. struct direct { /* Direct extents */
  44. __fs32 extent; /* Extent number */
  45. __fs32 size; /* Size of extent */
  46. } ve4_direct[VXFS_NDADDR];
  47. };
  48. struct vxfs_typed {
  49. __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
  50. __fs32 vt_block; /* Extent block */
  51. __fs32 vt_size; /* Size in blocks */
  52. };
  53. struct vxfs_typed_dev4 {
  54. __fs64 vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
  55. __fs64 vd4_block; /* Extent block */
  56. __fs64 vd4_size; /* Size in blocks */
  57. __fs32 vd4_dev; /* Device ID */
  58. __u8 __pad1;
  59. };
  60. /*
  61. * The inode as contained on the physical device.
  62. */
  63. struct vxfs_dinode {
  64. __fs32 vdi_mode;
  65. __fs32 vdi_nlink; /* Link count */
  66. __fs32 vdi_uid; /* UID */
  67. __fs32 vdi_gid; /* GID */
  68. __fs64 vdi_size; /* Inode size in bytes */
  69. __fs32 vdi_atime; /* Last time accessed - sec */
  70. __fs32 vdi_autime; /* Last time accessed - usec */
  71. __fs32 vdi_mtime; /* Last modify time - sec */
  72. __fs32 vdi_mutime; /* Last modify time - usec */
  73. __fs32 vdi_ctime; /* Create time - sec */
  74. __fs32 vdi_cutime; /* Create time - usec */
  75. __u8 vdi_aflags; /* Allocation flags */
  76. __u8 vdi_orgtype; /* Organisation type */
  77. __fs16 vdi_eopflags;
  78. __fs32 vdi_eopdata;
  79. union {
  80. __fs32 rdev;
  81. __fs32 dotdot;
  82. struct {
  83. __u32 reserved;
  84. __fs32 fixextsize;
  85. } i_regular;
  86. struct {
  87. __fs32 matchino;
  88. __fs32 fsetindex;
  89. } i_vxspec;
  90. __u64 align;
  91. } vdi_ftarea;
  92. __fs32 vdi_blocks; /* How much blocks does inode occupy */
  93. __fs32 vdi_gen; /* Inode generation */
  94. __fs64 vdi_version; /* Version */
  95. union {
  96. struct vxfs_immed immed;
  97. struct vxfs_ext4 ext4;
  98. struct vxfs_typed typed[VXFS_NTYPED];
  99. } vdi_org;
  100. __fs32 vdi_iattrino;
  101. };
  102. #define vdi_rdev vdi_ftarea.rdev
  103. #define vdi_dotdot vdi_ftarea.dotdot
  104. #define vdi_fixextsize vdi_ftarea.regular.fixextsize
  105. #define vdi_matchino vdi_ftarea.vxspec.matchino
  106. #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex
  107. #define vdi_immed vdi_org.immed
  108. #define vdi_ext4 vdi_org.ext4
  109. #define vdi_typed vdi_org.typed
  110. /*
  111. * The inode as represented in the main memory.
  112. */
  113. struct vxfs_inode_info {
  114. struct inode vfs_inode;
  115. __u32 vii_mode;
  116. __u32 vii_nlink; /* Link count */
  117. __u32 vii_uid; /* UID */
  118. __u32 vii_gid; /* GID */
  119. __u64 vii_size; /* Inode size in bytes */
  120. __u32 vii_atime; /* Last time accessed - sec */
  121. __u32 vii_autime; /* Last time accessed - usec */
  122. __u32 vii_mtime; /* Last modify time - sec */
  123. __u32 vii_mutime; /* Last modify time - usec */
  124. __u32 vii_ctime; /* Create time - sec */
  125. __u32 vii_cutime; /* Create time - usec */
  126. __u8 vii_orgtype; /* Organisation type */
  127. union {
  128. __u32 rdev;
  129. __u32 dotdot;
  130. } vii_ftarea;
  131. __u32 vii_blocks; /* How much blocks does inode occupy */
  132. __u32 vii_gen; /* Inode generation */
  133. union {
  134. struct vxfs_immed immed;
  135. struct vxfs_ext4 ext4;
  136. struct vxfs_typed typed[VXFS_NTYPED];
  137. } vii_org;
  138. };
  139. #define vii_rdev vii_ftarea.rdev
  140. #define vii_dotdot vii_ftarea.dotdot
  141. #define vii_immed vii_org.immed
  142. #define vii_ext4 vii_org.ext4
  143. #define vii_typed vii_org.typed
  144. static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode)
  145. {
  146. return container_of(inode, struct vxfs_inode_info, vfs_inode);
  147. }
  148. #endif /* _VXFS_INODE_H_ */