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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsproto.h 8.1 (Berkeley) 6/10/93
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* nfsproto.h,v 1.1 1998/08/19 21:32:23 joel Exp
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*/
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#ifndef _NFS_NFSPROTO_H_
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#define _NFS_NFSPROTO_H_
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/*
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* nfs definitions as per the Version 2 and 3 specs
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*/
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/*
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* Constants as defined in the Sun NFS Version 2 and 3 specs.
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* "NFS: Network File System Protocol Specification" RFC1094
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* and in the "NFS: Network File System Version 3 Protocol
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* Specification"
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*/
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#define NFS_PORT 2049
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#define NFS_PROG 100003
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#define NFS_VER2 2
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#define NFS_VER3 3
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#define NFS_V2MAXDATA 8192
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#define NFS_MAXDGRAMDATA 16384
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#define NFS_MAXDATA 32768
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#define NFS_MAXPATHLEN 1024
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#define NFS_MAXNAMLEN 255
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#define NFS_MAXPKTHDR 404
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#define NFS_MAXPACKET (NFS_MAXPKTHDR + NFS_MAXDATA)
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#define NFS_MINPACKET 20
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#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
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/* Stat numbers for rpc returns (version 2 and 3) */
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#define NFS_OK 0
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#define NFSERR_PERM 1
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#define NFSERR_NOENT 2
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#define NFSERR_IO 5
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#define NFSERR_NXIO 6
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#define NFSERR_ACCES 13
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#define NFSERR_EXIST 17
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#define NFSERR_XDEV 18 /* Version 3 only */
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#define NFSERR_NODEV 19
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#define NFSERR_NOTDIR 20
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#define NFSERR_ISDIR 21
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#define NFSERR_INVAL 22 /* Version 3 only */
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#define NFSERR_FBIG 27
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#define NFSERR_NOSPC 28
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#define NFSERR_ROFS 30
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#define NFSERR_MLINK 31 /* Version 3 only */
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#define NFSERR_NAMETOL 63
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#define NFSERR_NOTEMPTY 66
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#define NFSERR_DQUOT 69
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#define NFSERR_STALE 70
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#define NFSERR_REMOTE 71 /* Version 3 only */
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#define NFSERR_WFLUSH 99 /* Version 2 only */
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#define NFSERR_BADHANDLE 10001 /* The rest Version 3 only */
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#define NFSERR_NOT_SYNC 10002
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#define NFSERR_BAD_COOKIE 10003
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#define NFSERR_NOTSUPP 10004
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#define NFSERR_TOOSMALL 10005
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#define NFSERR_SERVERFAULT 10006
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#define NFSERR_BADTYPE 10007
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#define NFSERR_JUKEBOX 10008
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#define NFSERR_TRYLATER NFSERR_JUKEBOX
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#define NFSERR_STALEWRITEVERF 30001 /* Fake return for nfs_commit() */
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#define NFSERR_RETVOID 0x20000000 /* Return void, not error */
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#define NFSERR_AUTHERR 0x40000000 /* Mark an authentication error */
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#define NFSERR_RETERR 0x80000000 /* Mark an error return for V3 */
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/* Sizes in bytes of various nfs rpc components */
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#define NFSX_UNSIGNED 4
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/* specific to NFS Version 2 */
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#define NFSX_V2FH 32
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#define NFSX_V2FATTR 68
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#define NFSX_V2SATTR 32
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#define NFSX_V2COOKIE 4
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#define NFSX_V2STATFS 20
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/* specific to NFS Version 3 */
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#define NFSX_V3FH (sizeof (fhandle_t)) /* size this server uses */
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#define NFSX_V3FHMAX 64 /* max. allowed by protocol */
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#define NFSX_V3FATTR 84
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#define NFSX_V3SATTR 60 /* max. all fields filled in */
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#define NFSX_V3SRVSATTR (sizeof (struct nfsv3_sattr))
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#define NFSX_V3POSTOPATTR (NFSX_V3FATTR + NFSX_UNSIGNED)
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#define NFSX_V3WCCDATA (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
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#define NFSX_V3COOKIEVERF 8
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#define NFSX_V3WRITEVERF 8
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#define NFSX_V3CREATEVERF 8
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#define NFSX_V3STATFS 52
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#define NFSX_V3FSINFO 48
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#define NFSX_V3PATHCONF 24
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/* variants for both versions */
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#define NFSX_FH(v3) ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
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NFSX_V2FH)
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#define NFSX_SRVFH(v3) ((v3) ? NFSX_V3FH : NFSX_V2FH)
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#define NFSX_FATTR(v3) ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
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#define NFSX_PREOPATTR(v3) ((v3) ? (7 * NFSX_UNSIGNED) : 0)
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#define NFSX_POSTOPATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
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#define NFSX_POSTOPORFATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
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NFSX_V2FATTR)
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#define NFSX_WCCDATA(v3) ((v3) ? NFSX_V3WCCDATA : 0)
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#define NFSX_WCCORFATTR(v3) ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
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#define NFSX_SATTR(v3) ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
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#define NFSX_COOKIEVERF(v3) ((v3) ? NFSX_V3COOKIEVERF : 0)
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#define NFSX_WRITEVERF(v3) ((v3) ? NFSX_V3WRITEVERF : 0)
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#define NFSX_READDIR(v3) ((v3) ? (5 * NFSX_UNSIGNED) : \
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(2 * NFSX_UNSIGNED))
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#define NFSX_STATFS(v3) ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
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/* nfs rpc procedure numbers (before version mapping) */
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#define NFSPROC_NULL 0
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#define NFSPROC_GETATTR 1
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#define NFSPROC_SETATTR 2
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#define NFSPROC_LOOKUP 3
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#define NFSPROC_ACCESS 4
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#define NFSPROC_READLINK 5
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#define NFSPROC_READ 6
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#define NFSPROC_WRITE 7
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#define NFSPROC_CREATE 8
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#define NFSPROC_MKDIR 9
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#define NFSPROC_SYMLINK 10
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#define NFSPROC_MKNOD 11
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#define NFSPROC_REMOVE 12
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#define NFSPROC_RMDIR 13
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#define NFSPROC_RENAME 14
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#define NFSPROC_LINK 15
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#define NFSPROC_READDIR 16
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#define NFSPROC_READDIRPLUS 17
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#define NFSPROC_FSSTAT 18
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#define NFSPROC_FSINFO 19
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#define NFSPROC_PATHCONF 20
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#define NFSPROC_COMMIT 21
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/* And leasing (nqnfs) procedure numbers (must be last) */
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#define NQNFSPROC_GETLEASE 22
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#define NQNFSPROC_VACATED 23
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#define NQNFSPROC_EVICTED 24
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#define NFSPROC_NOOP 25
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#define NFS_NPROCS 26
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/* Actual Version 2 procedure numbers */
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#define NFSV2PROC_NULL 0
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#define NFSV2PROC_GETATTR 1
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#define NFSV2PROC_SETATTR 2
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#define NFSV2PROC_NOOP 3
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#define NFSV2PROC_ROOT NFSV2PROC_NOOP /* Obsolete */
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#define NFSV2PROC_LOOKUP 4
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#define NFSV2PROC_READLINK 5
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#define NFSV2PROC_READ 6
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#define NFSV2PROC_WRITECACHE NFSV2PROC_NOOP /* Obsolete */
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#define NFSV2PROC_WRITE 8
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#define NFSV2PROC_CREATE 9
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#define NFSV2PROC_REMOVE 10
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#define NFSV2PROC_RENAME 11
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#define NFSV2PROC_LINK 12
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#define NFSV2PROC_SYMLINK 13
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#define NFSV2PROC_MKDIR 14
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#define NFSV2PROC_RMDIR 15
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#define NFSV2PROC_READDIR 16
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#define NFSV2PROC_STATFS 17
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/*
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* Constants used by the Version 3 protocol for various RPCs
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*/
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#define NFSV3SATTRTIME_DONTCHANGE 0
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#define NFSV3SATTRTIME_TOSERVER 1
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#define NFSV3SATTRTIME_TOCLIENT 2
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#define NFSV3ACCESS_READ 0x01
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#define NFSV3ACCESS_LOOKUP 0x02
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#define NFSV3ACCESS_MODIFY 0x04
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#define NFSV3ACCESS_EXTEND 0x08
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#define NFSV3ACCESS_DELETE 0x10
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#define NFSV3ACCESS_EXECUTE 0x20
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#define NFSV3WRITE_UNSTABLE 0
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#define NFSV3WRITE_DATASYNC 1
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#define NFSV3WRITE_FILESYNC 2
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#define NFSV3CREATE_UNCHECKED 0
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#define NFSV3CREATE_GUARDED 1
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#define NFSV3CREATE_EXCLUSIVE 2
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#define NFSV3FSINFO_LINK 0x01
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#define NFSV3FSINFO_SYMLINK 0x02
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#define NFSV3FSINFO_HOMOGENEOUS 0x08
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#define NFSV3FSINFO_CANSETTIME 0x10
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/* Conversion macros */
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#define vtonfsv2_mode(t,m) \
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txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
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MAKEIMODE((t), (m)))
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#define vtonfsv3_mode(m) txdr_unsigned((m) & 07777)
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#define nfstov_mode(a) (fxdr_unsigned(u_short, (a))&07777)
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#define vtonfsv2_type(a) txdr_unsigned(nfsv2_type[((long)(a))])
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#define vtonfsv3_type(a) txdr_unsigned(nfsv3_type[((long)(a))])
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#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_long,(a))&0x7]
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#define nfsv3tov_type(a) nv3tov_type[fxdr_unsigned(u_long,(a))&0x7]
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/* File types */
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typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
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NFSOCK=6, NFFIFO=7 } nfstype;
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/* Structs for common parts of the rpc's */
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/*
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* File Handle (32 bytes for version 2), variable up to 64 for version 3.
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* File Handles of up to NFS_SMALLFH in size are stored directly in the
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* nfs node, whereas larger ones are malloc'd. (This never happens when
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* NFS_SMALLFH is set to 64.)
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* NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
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*/
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#ifndef NFS_SMALLFH
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#define NFS_SMALLFH 64
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#endif
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union nfsfh {
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fhandle_t fh_generic;
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u_char fh_bytes[NFS_SMALLFH];
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};
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typedef union nfsfh nfsfh_t;
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struct nfsv2_time {
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u_long nfsv2_sec;
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u_long nfsv2_usec;
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};
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typedef struct nfsv2_time nfstime2;
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struct nfsv3_time {
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u_long nfsv3_sec;
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u_long nfsv3_nsec;
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};
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typedef struct nfsv3_time nfstime3;
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/*
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* Quads are defined as arrays of 2 longs to ensure dense packing for the
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* protocol and to facilitate xdr conversion.
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*/
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struct nfs_uquad {
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u_long nfsuquad[2];
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};
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typedef struct nfs_uquad nfsuint64;
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/*
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* Used to convert between two u_longs and a u_quad_t.
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*/
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union nfs_quadconvert {
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u_long lval[2];
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u_quad_t qval;
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};
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typedef union nfs_quadconvert nfsquad_t;
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/*
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* NFS Version 3 special file number.
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*/
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struct nfsv3_spec {
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u_long specdata1;
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u_long specdata2;
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};
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typedef struct nfsv3_spec nfsv3spec;
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/*
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* File attributes and setable attributes. These structures cover both
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* NFS version 2 and the version 3 protocol. Note that the union is only
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* used so that one pointer can refer to both variants. These structures
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* go out on the wire and must be densely packed, so no quad data types
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* are used. (all fields are longs or u_longs or structures of same)
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* NB: You can't do sizeof(struct nfs_fattr), you must use the
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* NFSX_FATTR(v3) macro.
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*/
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struct nfs_fattr {
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u_long fa_type;
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u_long fa_mode;
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u_long fa_nlink;
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|
|
u_long fa_uid;
|
314 |
|
|
u_long fa_gid;
|
315 |
|
|
union {
|
316 |
|
|
struct {
|
317 |
|
|
u_long nfsv2fa_size;
|
318 |
|
|
u_long nfsv2fa_blocksize;
|
319 |
|
|
u_long nfsv2fa_rdev;
|
320 |
|
|
u_long nfsv2fa_blocks;
|
321 |
|
|
u_long nfsv2fa_fsid;
|
322 |
|
|
u_long nfsv2fa_fileid;
|
323 |
|
|
nfstime2 nfsv2fa_atime;
|
324 |
|
|
nfstime2 nfsv2fa_mtime;
|
325 |
|
|
nfstime2 nfsv2fa_ctime;
|
326 |
|
|
} fa_nfsv2;
|
327 |
|
|
struct {
|
328 |
|
|
nfsuint64 nfsv3fa_size;
|
329 |
|
|
nfsuint64 nfsv3fa_used;
|
330 |
|
|
nfsv3spec nfsv3fa_rdev;
|
331 |
|
|
nfsuint64 nfsv3fa_fsid;
|
332 |
|
|
nfsuint64 nfsv3fa_fileid;
|
333 |
|
|
nfstime3 nfsv3fa_atime;
|
334 |
|
|
nfstime3 nfsv3fa_mtime;
|
335 |
|
|
nfstime3 nfsv3fa_ctime;
|
336 |
|
|
} fa_nfsv3;
|
337 |
|
|
} fa_un;
|
338 |
|
|
};
|
339 |
|
|
|
340 |
|
|
/* and some ugly defines for accessing union components */
|
341 |
|
|
#define fa2_size fa_un.fa_nfsv2.nfsv2fa_size
|
342 |
|
|
#define fa2_blocksize fa_un.fa_nfsv2.nfsv2fa_blocksize
|
343 |
|
|
#define fa2_rdev fa_un.fa_nfsv2.nfsv2fa_rdev
|
344 |
|
|
#define fa2_blocks fa_un.fa_nfsv2.nfsv2fa_blocks
|
345 |
|
|
#define fa2_fsid fa_un.fa_nfsv2.nfsv2fa_fsid
|
346 |
|
|
#define fa2_fileid fa_un.fa_nfsv2.nfsv2fa_fileid
|
347 |
|
|
#define fa2_atime fa_un.fa_nfsv2.nfsv2fa_atime
|
348 |
|
|
#define fa2_mtime fa_un.fa_nfsv2.nfsv2fa_mtime
|
349 |
|
|
#define fa2_ctime fa_un.fa_nfsv2.nfsv2fa_ctime
|
350 |
|
|
#define fa3_size fa_un.fa_nfsv3.nfsv3fa_size
|
351 |
|
|
#define fa3_used fa_un.fa_nfsv3.nfsv3fa_used
|
352 |
|
|
#define fa3_rdev fa_un.fa_nfsv3.nfsv3fa_rdev
|
353 |
|
|
#define fa3_fsid fa_un.fa_nfsv3.nfsv3fa_fsid
|
354 |
|
|
#define fa3_fileid fa_un.fa_nfsv3.nfsv3fa_fileid
|
355 |
|
|
#define fa3_atime fa_un.fa_nfsv3.nfsv3fa_atime
|
356 |
|
|
#define fa3_mtime fa_un.fa_nfsv3.nfsv3fa_mtime
|
357 |
|
|
#define fa3_ctime fa_un.fa_nfsv3.nfsv3fa_ctime
|
358 |
|
|
|
359 |
|
|
struct nfsv2_sattr {
|
360 |
|
|
u_long sa_mode;
|
361 |
|
|
u_long sa_uid;
|
362 |
|
|
u_long sa_gid;
|
363 |
|
|
u_long sa_size;
|
364 |
|
|
nfstime2 sa_atime;
|
365 |
|
|
nfstime2 sa_mtime;
|
366 |
|
|
};
|
367 |
|
|
|
368 |
|
|
/*
|
369 |
|
|
* NFS Version 3 sattr structure for the new node creation case.
|
370 |
|
|
*/
|
371 |
|
|
struct nfsv3_sattr {
|
372 |
|
|
u_long sa_modetrue;
|
373 |
|
|
u_long sa_mode;
|
374 |
|
|
u_long sa_uidtrue;
|
375 |
|
|
u_long sa_uid;
|
376 |
|
|
u_long sa_gidtrue;
|
377 |
|
|
u_long sa_gid;
|
378 |
|
|
u_long sa_sizefalse;
|
379 |
|
|
u_long sa_atimetype;
|
380 |
|
|
nfstime3 sa_atime;
|
381 |
|
|
u_long sa_mtimetype;
|
382 |
|
|
nfstime3 sa_mtime;
|
383 |
|
|
};
|
384 |
|
|
|
385 |
|
|
struct nfs_statfs {
|
386 |
|
|
union {
|
387 |
|
|
struct {
|
388 |
|
|
u_long nfsv2sf_tsize;
|
389 |
|
|
u_long nfsv2sf_bsize;
|
390 |
|
|
u_long nfsv2sf_blocks;
|
391 |
|
|
u_long nfsv2sf_bfree;
|
392 |
|
|
u_long nfsv2sf_bavail;
|
393 |
|
|
} sf_nfsv2;
|
394 |
|
|
struct {
|
395 |
|
|
nfsuint64 nfsv3sf_tbytes;
|
396 |
|
|
nfsuint64 nfsv3sf_fbytes;
|
397 |
|
|
nfsuint64 nfsv3sf_abytes;
|
398 |
|
|
nfsuint64 nfsv3sf_tfiles;
|
399 |
|
|
nfsuint64 nfsv3sf_ffiles;
|
400 |
|
|
nfsuint64 nfsv3sf_afiles;
|
401 |
|
|
u_long nfsv3sf_invarsec;
|
402 |
|
|
} sf_nfsv3;
|
403 |
|
|
} sf_un;
|
404 |
|
|
};
|
405 |
|
|
|
406 |
|
|
#define sf_tsize sf_un.sf_nfsv2.nfsv2sf_tsize
|
407 |
|
|
#define sf_bsize sf_un.sf_nfsv2.nfsv2sf_bsize
|
408 |
|
|
#define sf_blocks sf_un.sf_nfsv2.nfsv2sf_blocks
|
409 |
|
|
#define sf_bfree sf_un.sf_nfsv2.nfsv2sf_bfree
|
410 |
|
|
#define sf_bavail sf_un.sf_nfsv2.nfsv2sf_bavail
|
411 |
|
|
#define sf_tbytes sf_un.sf_nfsv3.nfsv3sf_tbytes
|
412 |
|
|
#define sf_fbytes sf_un.sf_nfsv3.nfsv3sf_fbytes
|
413 |
|
|
#define sf_abytes sf_un.sf_nfsv3.nfsv3sf_abytes
|
414 |
|
|
#define sf_tfiles sf_un.sf_nfsv3.nfsv3sf_tfiles
|
415 |
|
|
#define sf_ffiles sf_un.sf_nfsv3.nfsv3sf_ffiles
|
416 |
|
|
#define sf_afiles sf_un.sf_nfsv3.nfsv3sf_afiles
|
417 |
|
|
#define sf_invarsec sf_un.sf_nfsv3.nfsv3sf_invarsec
|
418 |
|
|
|
419 |
|
|
struct nfsv3_fsinfo {
|
420 |
|
|
u_long fs_rtmax;
|
421 |
|
|
u_long fs_rtpref;
|
422 |
|
|
u_long fs_rtmult;
|
423 |
|
|
u_long fs_wtmax;
|
424 |
|
|
u_long fs_wtpref;
|
425 |
|
|
u_long fs_wtmult;
|
426 |
|
|
u_long fs_dtpref;
|
427 |
|
|
nfsuint64 fs_maxfilesize;
|
428 |
|
|
nfstime3 fs_timedelta;
|
429 |
|
|
u_long fs_properties;
|
430 |
|
|
};
|
431 |
|
|
|
432 |
|
|
struct nfsv3_pathconf {
|
433 |
|
|
u_long pc_linkmax;
|
434 |
|
|
u_long pc_namemax;
|
435 |
|
|
u_long pc_notrunc;
|
436 |
|
|
u_long pc_chownrestricted;
|
437 |
|
|
u_long pc_caseinsensitive;
|
438 |
|
|
u_long pc_casepreserving;
|
439 |
|
|
};
|
440 |
|
|
|
441 |
|
|
#endif
|