LXR linux/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 */
  29enum 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
  41struct 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 */
  69