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Annotation of Net2/nfs/nfsv2.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1989 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Rick Macklem at The University of Guelph.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)nfsv2.h     7.8 (Berkeley) 6/28/90
        !            37:  */
        !            38: 
        !            39: /*
        !            40:  * nfs definitions as per the version 2 specs
        !            41:  */
        !            42: 
        !            43: /*
        !            44:  * Constants as defined in the Sun NFS Version 2 spec.
        !            45:  * "NFS: Network File System Protocol Specification" RFC1094
        !            46:  */
        !            47: 
        !            48: #define NFS_PORT       2049
        !            49: #define        NFS_PROG        100003
        !            50: #define NFS_VER2       2
        !            51: #define        NFS_MAXDGRAMDATA 8192
        !            52: #define        NFS_MAXDATA     32768
        !            53: #define        NFS_MAXPATHLEN  1024
        !            54: #define        NFS_MAXNAMLEN   255
        !            55: #define        NFS_FHSIZE      32
        !            56: #define        NFS_MAXPKTHDR   404
        !            57: #define NFS_MAXPACKET  (NFS_MAXPKTHDR+NFS_MAXDATA)
        !            58: #define        NFS_NPROCS      18
        !            59: #define        NFS_FABLKSIZE   512     /* Size in bytes of a block wrt fa_blocks */
        !            60: 
        !            61: /* Stat numbers for rpc returns */
        !            62: #define        NFS_OK          0
        !            63: #define        NFSERR_PERM     1
        !            64: #define        NFSERR_NOENT    2
        !            65: #define        NFSERR_IO       5
        !            66: #define        NFSERR_NXIO     6
        !            67: #define        NFSERR_ACCES    13
        !            68: #define        NFSERR_EXIST    17
        !            69: #define        NFSERR_NODEV    19
        !            70: #define        NFSERR_NOTDIR   20
        !            71: #define        NFSERR_ISDIR    21
        !            72: #define        NFSERR_FBIG     27
        !            73: #define        NFSERR_NOSPC    28
        !            74: #define        NFSERR_ROFS     30
        !            75: #define        NFSERR_NAMETOOLONG      63
        !            76: #define        NFSERR_NOTEMPTY 66
        !            77: #define        NFSERR_DQUOT    69
        !            78: #define        NFSERR_STALE    70
        !            79: #define        NFSERR_WFLUSH   99
        !            80: 
        !            81: /* Sizes in bytes of various nfs rpc components */
        !            82: #define        NFSX_FH         32
        !            83: #define        NFSX_UNSIGNED   4
        !            84: #define        NFSX_FATTR      68
        !            85: #define        NFSX_SATTR      32
        !            86: #define        NFSX_COOKIE     4
        !            87: #define NFSX_STATFS    20
        !            88: 
        !            89: /* nfs rpc procedure numbers */
        !            90: #define        NFSPROC_NULL            0
        !            91: #define        NFSPROC_GETATTR         1
        !            92: #define        NFSPROC_SETATTR         2
        !            93: #define        NFSPROC_ROOT            3               /* Obsolete */
        !            94: #define        NFSPROC_LOOKUP          4
        !            95: #define        NFSPROC_READLINK        5
        !            96: #define        NFSPROC_READ            6
        !            97: #define        NFSPROC_WRITECACHE      7               /* Obsolete */
        !            98: #define        NFSPROC_WRITE           8
        !            99: #define        NFSPROC_CREATE          9
        !           100: #define        NFSPROC_REMOVE          10
        !           101: #define        NFSPROC_RENAME          11
        !           102: #define        NFSPROC_LINK            12
        !           103: #define        NFSPROC_SYMLINK         13
        !           104: #define        NFSPROC_MKDIR           14
        !           105: #define        NFSPROC_RMDIR           15
        !           106: #define        NFSPROC_READDIR         16
        !           107: #define        NFSPROC_STATFS          17
        !           108: 
        !           109: /* Conversion macros */
        !           110: extern int             vttoif_tab[];
        !           111: #define        vtonfs_mode(t,m) \
        !           112:                txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
        !           113:                                MAKEIMODE((t), (m)))
        !           114: #define        nfstov_mode(a)  (fxdr_unsigned(u_short, (a))&07777)
        !           115: #define        vtonfs_type(a)  txdr_unsigned(nfs_type[((long)(a))])
        !           116: #define        nfstov_type(a)  ntov_type[fxdr_unsigned(u_long,(a))&0x7]
        !           117: 
        !           118: /* File types */
        !           119: typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;
        !           120: 
        !           121: /* Structs for common parts of the rpc's */
        !           122: struct nfsv2_time {
        !           123:        u_long  tv_sec;
        !           124:        u_long  tv_usec;
        !           125: };
        !           126: 
        !           127: struct nfsv2_fattr {
        !           128:        u_long  fa_type;
        !           129:        u_long  fa_mode;
        !           130:        u_long  fa_nlink;
        !           131:        u_long  fa_uid;
        !           132:        u_long  fa_gid;
        !           133:        u_long  fa_size;
        !           134:        u_long  fa_blocksize;
        !           135:        u_long  fa_rdev;
        !           136:        u_long  fa_blocks;
        !           137:        u_long  fa_fsid;
        !           138:        u_long  fa_fileid;
        !           139:        struct nfsv2_time fa_atime;
        !           140:        struct nfsv2_time fa_mtime;
        !           141:        struct nfsv2_time fa_ctime;
        !           142: };
        !           143: 
        !           144: struct nfsv2_sattr {
        !           145:        u_long  sa_mode;
        !           146:        u_long  sa_uid;
        !           147:        u_long  sa_gid;
        !           148:        u_long  sa_size;
        !           149:        struct nfsv2_time sa_atime;
        !           150:        struct nfsv2_time sa_mtime;
        !           151: };
        !           152: 
        !           153: struct nfsv2_statfs {
        !           154:        u_long  sf_tsize;
        !           155:        u_long  sf_bsize;
        !           156:        u_long  sf_blocks;
        !           157:        u_long  sf_bfree;
        !           158:        u_long  sf_bavail;
        !           159: };

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