original development tree for Linux kernel GTP module; now long in mainline.
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  1. /*
  2. * Copyright (c) 2000-2001 Christoph Hellwig.
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions, and the following disclaimer,
  10. * without modification.
  11. * 2. The name of the author may not be used to endorse or promote products
  12. * derived from this software without specific prior written permission.
  13. *
  14. * Alternatively, this software may be distributed under the terms of the
  15. * GNU General Public License ("GPL").
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  21. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27. * SUCH DAMAGE.
  28. *
  29. */
  30. #ifndef _VXFS_INODE_H_
  31. #define _VXFS_INODE_H_
  32. /*
  33. * Veritas filesystem driver - inode structure.
  34. *
  35. * This file contains the definition of the disk and core
  36. * inodes of the Veritas Filesystem.
  37. */
  38. #define VXFS_ISIZE 0x100 /* Inode size */
  39. #define VXFS_NDADDR 10 /* Number of direct addrs in inode */
  40. #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */
  41. #define VXFS_NIMMED 96 /* Size of immediate data in inode */
  42. #define VXFS_NTYPED 6 /* Num of typed extents */
  43. #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL)
  44. #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL)
  45. #define VXFS_TYPED_TYPESHIFT 56
  46. #define VXFS_TYPED_PER_BLOCK(sbp) \
  47. ((sbp)->s_blocksize / sizeof(struct vxfs_typed))
  48. /*
  49. * Possible extent descriptor types for %VXFS_ORG_TYPED extents.
  50. */
  51. enum {
  52. VXFS_TYPED_INDIRECT = 1,
  53. VXFS_TYPED_DATA = 2,
  54. VXFS_TYPED_INDIRECT_DEV4 = 3,
  55. VXFS_TYPED_DATA_DEV4 = 4,
  56. };
  57. /*
  58. * Data stored immediately in the inode.
  59. */
  60. struct vxfs_immed {
  61. u_int8_t vi_immed[VXFS_NIMMED];
  62. };
  63. struct vxfs_ext4 {
  64. u_int32_t ve4_spare; /* ?? */
  65. u_int32_t ve4_indsize; /* Indirect extent size */
  66. vx_daddr_t ve4_indir[VXFS_NIADDR]; /* Indirect extents */
  67. struct direct { /* Direct extents */
  68. vx_daddr_t extent; /* Extent number */
  69. int32_t size; /* Size of extent */
  70. } ve4_direct[VXFS_NDADDR];
  71. };
  72. struct vxfs_typed {
  73. u_int64_t vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
  74. vx_daddr_t vt_block; /* Extent block */
  75. int32_t vt_size; /* Size in blocks */
  76. };
  77. struct vxfs_typed_dev4 {
  78. u_int64_t vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
  79. u_int64_t vd4_block; /* Extent block */
  80. u_int64_t vd4_size; /* Size in blocks */
  81. int32_t vd4_dev; /* Device ID */
  82. u_int32_t __pad1;
  83. };
  84. /*
  85. * The inode as contained on the physical device.
  86. */
  87. struct vxfs_dinode {
  88. int32_t vdi_mode;
  89. u_int32_t vdi_nlink; /* Link count */
  90. u_int32_t vdi_uid; /* UID */
  91. u_int32_t vdi_gid; /* GID */
  92. u_int64_t vdi_size; /* Inode size in bytes */
  93. u_int32_t vdi_atime; /* Last time accessed - sec */
  94. u_int32_t vdi_autime; /* Last time accessed - usec */
  95. u_int32_t vdi_mtime; /* Last modify time - sec */
  96. u_int32_t vdi_mutime; /* Last modify time - usec */
  97. u_int32_t vdi_ctime; /* Create time - sec */
  98. u_int32_t vdi_cutime; /* Create time - usec */
  99. u_int8_t vdi_aflags; /* Allocation flags */
  100. u_int8_t vdi_orgtype; /* Organisation type */
  101. u_int16_t vdi_eopflags;
  102. u_int32_t vdi_eopdata;
  103. union {
  104. u_int32_t rdev;
  105. u_int32_t dotdot;
  106. struct {
  107. u_int32_t reserved;
  108. u_int32_t fixextsize;
  109. } i_regular;
  110. struct {
  111. u_int32_t matchino;
  112. u_int32_t fsetindex;
  113. } i_vxspec;
  114. u_int64_t align;
  115. } vdi_ftarea;
  116. u_int32_t vdi_blocks; /* How much blocks does inode occupy */
  117. u_int32_t vdi_gen; /* Inode generation */
  118. u_int64_t vdi_version; /* Version */
  119. union {
  120. struct vxfs_immed immed;
  121. struct vxfs_ext4 ext4;
  122. struct vxfs_typed typed[VXFS_NTYPED];
  123. } vdi_org;
  124. u_int32_t vdi_iattrino;
  125. };
  126. #define vdi_rdev vdi_ftarea.rdev
  127. #define vdi_dotdot vdi_ftarea.dotdot
  128. #define vdi_fixextsize vdi_ftarea.regular.fixextsize
  129. #define vdi_matchino vdi_ftarea.vxspec.matchino
  130. #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex
  131. #define vdi_immed vdi_org.immed
  132. #define vdi_ext4 vdi_org.ext4
  133. #define vdi_typed vdi_org.typed
  134. /*
  135. * The inode as represented in the main memory.
  136. *
  137. * TBD: This should become a separate structure...
  138. */
  139. #define vxfs_inode_info vxfs_dinode
  140. #define vii_mode vdi_mode
  141. #define vii_uid vdi_uid
  142. #define vii_gid vdi_gid
  143. #define vii_nlink vdi_nlink
  144. #define vii_size vdi_size
  145. #define vii_atime vdi_atime
  146. #define vii_ctime vdi_ctime
  147. #define vii_mtime vdi_mtime
  148. #define vii_blocks vdi_blocks
  149. #define vii_org vdi_org
  150. #define vii_orgtype vdi_orgtype
  151. #define vii_gen vdi_gen
  152. #define vii_rdev vdi_ftarea.rdev
  153. #define vii_dotdot vdi_ftarea.dotdot
  154. #define vii_fixextsize vdi_ftarea.regular.fixextsize
  155. #define vii_matchino vdi_ftarea.vxspec.matchino
  156. #define vii_fsetindex vdi_ftarea.vxspec.fsetindex
  157. #define vii_immed vdi_org.immed
  158. #define vii_ext4 vdi_org.ext4
  159. #define vii_typed vdi_org.typed
  160. #endif /* _VXFS_INODE_H_ */