include/uapi/linux/nfs2.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * NFS protocol definitions
   4  *
   5  * This file contains constants for Version 2 of the protocol.
   6  */
   7 #ifndef _LINUX_NFS2_H
   8 #define _LINUX_NFS2_H
   9
  10 #define NFS2_PORT       2049
  11 #define NFS2_MAXDATA    8192
  12 #define NFS2_MAXPATHLEN 1024
  13 #define NFS2_MAXNAMLEN  255
  14 #define NFS2_MAXGROUPS  16
  15 #define NFS2_FHSIZE     32
  16 #define NFS2_COOKIESIZE 4
  17 #define NFS2_FIFO_DEV   (-1)
  18 #define NFS2MODE_FMT    0170000
  19 #define NFS2MODE_DIR    0040000
  20 #define NFS2MODE_CHR    0020000
  21 #define NFS2MODE_BLK    0060000
  22 #define NFS2MODE_REG    0100000
  23 #define NFS2MODE_LNK    0120000
  24 #define NFS2MODE_SOCK   0140000
  25 #define NFS2MODE_FIFO   0010000
  26
  27
  28 /* NFSv2 file types - beware, these are not the same in NFSv3 */
  29 enum nfs2_ftype {
  30         NF2NON = 0,
  31         NF2REG = 1,
  32         NF2DIR = 2,
  33         NF2BLK = 3,
  34         NF2CHR = 4,
  35         NF2LNK = 5,
  36         NF2SOCK = 6,
  37         NF2BAD = 7,
  38         NF2FIFO = 8
  39 };
  40
  41 struct nfs2_fh {
  42         char                    data[NFS2_FHSIZE];
  43 };
  44
  45 /*
  46  * Procedure numbers for NFSv2
  47  */
  48 #define NFS2_VERSION            2
  49 #define NFSPROC_NULL            0
  50 #define NFSPROC_GETATTR         1
  51 #define NFSPROC_SETATTR         2
  52 #define NFSPROC_ROOT            3
  53 #define NFSPROC_LOOKUP          4
  54 #define NFSPROC_READLINK        5
  55 #define NFSPROC_READ            6
  56 #define NFSPROC_WRITECACHE      7
  57 #define NFSPROC_WRITE           8
  58 #define NFSPROC_CREATE          9
  59 #define NFSPROC_REMOVE          10
  60 #define NFSPROC_RENAME          11
  61 #define NFSPROC_LINK            12
  62 #define NFSPROC_SYMLINK         13
  63 #define NFSPROC_MKDIR           14
  64 #define NFSPROC_RMDIR           15
  65 #define NFSPROC_READDIR         16
  66 #define NFSPROC_STATFS          17
  67
  68 #endif /* _LINUX_NFS2_H */