usr/src/sys/nfs/nfsproto.h

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)nfsproto.h  7.1 (Berkeley) %G%
 */

/*
 * nfs definitions as per the version 2 specs
 */

/*
 * Constants as defined in the Sun NFS Version 2 spec.
 * "Network File System Protocol Specification" in the
 * Manual "Networking on the Sun Workstation", Part #800-1324-03, Rev B
 */

#define NFS_PORT        2049
#define NFS_PROG        100003
#define NFS_VER2        2
#define NFS_MAXDATA     8192
#define NFS_MAXPATHLEN  1024
#define NFS_MAXNAMLEN   255
#define NFS_FHSIZE      32
#define NFS_NPROCS      18

/* Stat numbers for rpc returns */
#define NFS_OK          0
#define NFSERR_PERM     1
#define NFSERR_NOENT    2
#define NFSERR_IO       5
#define NFSERR_NXIO     6
#define NFSERR_ACCES    13
#define NFSERR_EXIST    17
#define NFSERR_NODEV    19
#define NFSERR_NOTDIR   20
#define NFSERR_ISDIR    21
#define NFSERR_FBIG     27
#define NFSERR_NOSPC    28
#define NFSERR_ROFS     30
#define NFSERR_NAMETOOLONG      63
#define NFSERR_NOTEMPTY 66
#define NFSERR_DQUOT    69
#define NFSERR_STALE    70
#define NFSERR_WFLUSH   99

/* Sizes in bytes of various nfs rpc components */
#define NFSX_FH         32
#define NFSX_UNSIGNED   4
#define NFSX_FATTR      68
#define NFSX_SATTR      32
#define NFSX_COOKIE     4
#define NFSX_STATFS     20

/* nfs rpc procedure numbers */
#define NFSPROC_NULL            0
#define NFSPROC_GETATTR         1
#define NFSPROC_SETATTR         2
#define NFSPROC_ROOT            3               /* Obsolete */
#define NFSPROC_LOOKUP          4
#define NFSPROC_READLINK        5
#define NFSPROC_READ            6
#define NFSPROC_WRITECACHE      7               /* Obsolete */
#define NFSPROC_WRITE           8
#define NFSPROC_CREATE          9
#define NFSPROC_REMOVE          10
#define NFSPROC_RENAME          11
#define NFSPROC_LINK            12
#define NFSPROC_SYMLINK         13
#define NFSPROC_MKDIR           14
#define NFSPROC_RMDIR           15
#define NFSPROC_READDIR         16
#define NFSPROC_STATFS          17

/* Conversion macros */
#define vtonfs_mode(t,m) txdr_unsigned(MAKEIMODE(t,m))
#define nfstov_mode(a)  (fxdr_unsigned(u_short, (a))&07777)
#define vtonfs_type(a)  txdr_unsigned(nfs_type[((long)(a))])
#define nfstov_type(a)  v_type[fxdr_unsigned(u_long, (a))]

/* File types */
typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;