nfs.h 4.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. /*
  3. * NFS protocol definitions
  4. *
  5. * This file contains constants mostly for Version 2 of the protocol,
  6. * but also has a couple of NFSv3 bits in (notably the error codes).
  7. */
  8. #ifndef _UAPI_LINUX_NFS_H
  9. #define _UAPI_LINUX_NFS_H
  10. #include <linux/types.h>
  11. #define NFS_PROGRAM 100003
  12. #define NFS_PORT 2049
  13. #define NFS_RDMA_PORT 20049
  14. #define NFS_MAXDATA 8192
  15. #define NFS_MAXPATHLEN 1024
  16. #define NFS_MAXNAMLEN 255
  17. #define NFS_MAXGROUPS 16
  18. #define NFS_FHSIZE 32
  19. #define NFS_COOKIESIZE 4
  20. #define NFS_FIFO_DEV (-1)
  21. #define NFSMODE_FMT 0170000
  22. #define NFSMODE_DIR 0040000
  23. #define NFSMODE_CHR 0020000
  24. #define NFSMODE_BLK 0060000
  25. #define NFSMODE_REG 0100000
  26. #define NFSMODE_LNK 0120000
  27. #define NFSMODE_SOCK 0140000
  28. #define NFSMODE_FIFO 0010000
  29. #define NFS_MNT_PROGRAM 100005
  30. #define NFS_MNT_VERSION 1
  31. #define NFS_MNT3_VERSION 3
  32. #define NFS_PIPE_DIRNAME "nfs"
  33. /*
  34. * NFS stats. The good thing with these values is that NFSv3 errors are
  35. * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
  36. * no-one uses anyway), so we can happily mix code as long as we make sure
  37. * no NFSv3 errors are returned to NFSv2 clients.
  38. * Error codes that have a `--' in the v2 column are not part of the
  39. * standard, but seem to be widely used nevertheless.
  40. */
  41. enum nfs_stat {
  42. NFS_OK = 0, /* v2 v3 v4 */
  43. NFSERR_PERM = 1, /* v2 v3 v4 */
  44. NFSERR_NOENT = 2, /* v2 v3 v4 */
  45. NFSERR_IO = 5, /* v2 v3 v4 */
  46. NFSERR_NXIO = 6, /* v2 v3 v4 */
  47. NFSERR_EAGAIN = 11, /* v2 v3 */
  48. NFSERR_ACCES = 13, /* v2 v3 v4 */
  49. NFSERR_EXIST = 17, /* v2 v3 v4 */
  50. NFSERR_XDEV = 18, /* v3 v4 */
  51. NFSERR_NODEV = 19, /* v2 v3 v4 */
  52. NFSERR_NOTDIR = 20, /* v2 v3 v4 */
  53. NFSERR_ISDIR = 21, /* v2 v3 v4 */
  54. NFSERR_INVAL = 22, /* v2 v3 v4 */
  55. NFSERR_FBIG = 27, /* v2 v3 v4 */
  56. NFSERR_NOSPC = 28, /* v2 v3 v4 */
  57. NFSERR_ROFS = 30, /* v2 v3 v4 */
  58. NFSERR_MLINK = 31, /* v3 v4 */
  59. NFSERR_OPNOTSUPP = 45, /* v2 v3 */
  60. NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */
  61. NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */
  62. NFSERR_DQUOT = 69, /* v2 v3 v4 */
  63. NFSERR_STALE = 70, /* v2 v3 v4 */
  64. NFSERR_REMOTE = 71, /* v2 v3 */
  65. NFSERR_WFLUSH = 99, /* v2 */
  66. NFSERR_BADHANDLE = 10001, /* v3 v4 */
  67. NFSERR_NOT_SYNC = 10002, /* v3 */
  68. NFSERR_BAD_COOKIE = 10003, /* v3 v4 */
  69. NFSERR_NOTSUPP = 10004, /* v3 v4 */
  70. NFSERR_TOOSMALL = 10005, /* v3 v4 */
  71. NFSERR_SERVERFAULT = 10006, /* v3 v4 */
  72. NFSERR_BADTYPE = 10007, /* v3 v4 */
  73. NFSERR_JUKEBOX = 10008, /* v3 v4 */
  74. NFSERR_SAME = 10009, /* v4 */
  75. NFSERR_DENIED = 10010, /* v4 */
  76. NFSERR_EXPIRED = 10011, /* v4 */
  77. NFSERR_LOCKED = 10012, /* v4 */
  78. NFSERR_GRACE = 10013, /* v4 */
  79. NFSERR_FHEXPIRED = 10014, /* v4 */
  80. NFSERR_SHARE_DENIED = 10015, /* v4 */
  81. NFSERR_WRONGSEC = 10016, /* v4 */
  82. NFSERR_CLID_INUSE = 10017, /* v4 */
  83. NFSERR_RESOURCE = 10018, /* v4 */
  84. NFSERR_MOVED = 10019, /* v4 */
  85. NFSERR_NOFILEHANDLE = 10020, /* v4 */
  86. NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */
  87. NFSERR_STALE_CLIENTID = 10022, /* v4 */
  88. NFSERR_STALE_STATEID = 10023, /* v4 */
  89. NFSERR_OLD_STATEID = 10024, /* v4 */
  90. NFSERR_BAD_STATEID = 10025, /* v4 */
  91. NFSERR_BAD_SEQID = 10026, /* v4 */
  92. NFSERR_NOT_SAME = 10027, /* v4 */
  93. NFSERR_LOCK_RANGE = 10028, /* v4 */
  94. NFSERR_SYMLINK = 10029, /* v4 */
  95. NFSERR_RESTOREFH = 10030, /* v4 */
  96. NFSERR_LEASE_MOVED = 10031, /* v4 */
  97. NFSERR_ATTRNOTSUPP = 10032, /* v4 */
  98. NFSERR_NO_GRACE = 10033, /* v4 */
  99. NFSERR_RECLAIM_BAD = 10034, /* v4 */
  100. NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */
  101. NFSERR_BAD_XDR = 10036, /* v4 */
  102. NFSERR_LOCKS_HELD = 10037, /* v4 */
  103. NFSERR_OPENMODE = 10038, /* v4 */
  104. NFSERR_BADOWNER = 10039, /* v4 */
  105. NFSERR_BADCHAR = 10040, /* v4 */
  106. NFSERR_BADNAME = 10041, /* v4 */
  107. NFSERR_BAD_RANGE = 10042, /* v4 */
  108. NFSERR_LOCK_NOTSUPP = 10043, /* v4 */
  109. NFSERR_OP_ILLEGAL = 10044, /* v4 */
  110. NFSERR_DEADLOCK = 10045, /* v4 */
  111. NFSERR_FILE_OPEN = 10046, /* v4 */
  112. NFSERR_ADMIN_REVOKED = 10047, /* v4 */
  113. NFSERR_CB_PATH_DOWN = 10048, /* v4 */
  114. };
  115. /* NFSv2 file types - beware, these are not the same in NFSv3 */
  116. enum nfs_ftype {
  117. NFNON = 0,
  118. NFREG = 1,
  119. NFDIR = 2,
  120. NFBLK = 3,
  121. NFCHR = 4,
  122. NFLNK = 5,
  123. NFSOCK = 6,
  124. NFBAD = 7,
  125. NFFIFO = 8
  126. };
  127. #endif /* _UAPI_LINUX_NFS_H */