LXR linux/include/uapi/linux/nfs3.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * NFSv3 protocol definitions
   4 */
   5#ifndef _UAPI_LINUX_NFS3_H
   6#define _UAPI_LINUX_NFS3_H
   7
   8#define NFS3_PORT               2049
   9#define NFS3_MAXDATA            32768
  10#define NFS3_MAXPATHLEN         PATH_MAX
  11#define NFS3_MAXNAMLEN          NAME_MAX
  12#define NFS3_MAXGROUPS          16
  13#define NFS3_FHSIZE             64
  14#define NFS3_COOKIESIZE         4
  15#define NFS3_CREATEVERFSIZE     8
  16#define NFS3_COOKIEVERFSIZE     8
  17#define NFS3_WRITEVERFSIZE      8
  18#define NFS3_FIFO_DEV           (-1)
  19#define NFS3MODE_FMT            0170000
  20#define NFS3MODE_DIR            0040000
  21#define NFS3MODE_CHR            0020000
  22#define NFS3MODE_BLK            0060000
  23#define NFS3MODE_REG            0100000
  24#define NFS3MODE_LNK            0120000
  25#define NFS3MODE_SOCK           0140000
  26#define NFS3MODE_FIFO           0010000
  27
  28/* Flags for access() call */
  29#define NFS3_ACCESS_READ        0x0001
  30#define NFS3_ACCESS_LOOKUP      0x0002
  31#define NFS3_ACCESS_MODIFY      0x0004
  32#define NFS3_ACCESS_EXTEND      0x0008
  33#define NFS3_ACCESS_DELETE      0x0010
  34#define NFS3_ACCESS_EXECUTE     0x0020
  35#define NFS3_ACCESS_FULL        0x003f
  36
  37/* Flags for create mode */
  38enum nfs3_createmode {
  39        NFS3_CREATE_UNCHECKED = 0,
  40        NFS3_CREATE_GUARDED = 1,
  41        NFS3_CREATE_EXCLUSIVE = 2
  42};
  43
  44/* NFSv3 file system properties */
  45#define NFS3_FSF_LINK           0x0001
  46#define NFS3_FSF_SYMLINK        0x0002
  47#define NFS3_FSF_HOMOGENEOUS    0x0008
  48#define NFS3_FSF_CANSETTIME     0x0010
  49/* Some shorthands. See fs/nfsd/nfs3proc.c */
  50#define NFS3_FSF_DEFAULT        0x001B
  51#define NFS3_FSF_BILLYBOY       0x0018
  52#define NFS3_FSF_READONLY       0x0008
  53
  54enum nfs3_ftype {
  55        NF3NON  = 0,
  56        NF3REG  = 1,
  57        NF3DIR  = 2,
  58        NF3BLK  = 3,
  59        NF3CHR  = 4,
  60        NF3LNK  = 5,
  61        NF3SOCK = 6,
  62        NF3FIFO = 7,    /* changed from NFSv2 (was 8) */
  63        NF3BAD  = 8
  64};
  65
  66enum nfs3_time_how {
  67        DONT_CHANGE             = 0,
  68        SET_TO_SERVER_TIME      = 1,
  69        SET_TO_CLIENT_TIME      = 2,
  70};
  71
  72struct nfs3_fh {
  73        unsigned short size;
  74        unsigned char  data[NFS3_FHSIZE];
  75};
  76
  77#define NFS3_VERSION            3
  78#define NFS3PROC_NULL           0
  79#define NFS3PROC_GETATTR        1
  80#define NFS3PROC_SETATTR        2
  81#define NFS3PROC_LOOKUP         3
  82#define NFS3PROC_ACCESS         4
  83#define NFS3PROC_READLINK       5
  84#define NFS3PROC_READ           6
  85#define NFS3PROC_WRITE          7
  86#define NFS3PROC_CREATE         8
  87#define NFS3PROC_MKDIR          9
  88#define NFS3PROC_SYMLINK        10
  89#define NFS3PROC_MKNOD          11
  90#define NFS3PROC_REMOVE         12
  91#define NFS3PROC_RMDIR          13
  92#define NFS3PROC_RENAME         14
  93#define NFS3PROC_LINK           15
  94#define NFS3PROC_READDIR        16
  95#define NFS3PROC_READDIRPLUS    17
  96#define NFS3PROC_FSSTAT         18
  97#define NFS3PROC_FSINFO         19
  98#define NFS3PROC_PATHCONF       20
  99#define NFS3PROC_COMMIT         21
 100
 101#define NFS_MNT3_VERSION        3
 102 
 103
 104#endif /* _UAPI_LINUX_NFS3_H */
 105