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 */
  38 enum 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
  54 enum 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
  66 enum nfs3_time_how {
  67         DONT_CHANGE             = 0,
  68         SET_TO_SERVER_TIME      = 1,
  69         SET_TO_CLIENT_TIME      = 2,
  70 };
  71
  72 struct 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 */