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NetBSD/sys/nfs/nfsv2.h

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/*
* Copyright (c) 1989, 1993
* 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, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)nfsv2.h 8.1 (Berkeley) 6/10/93
* $Id: nfsv2.h,v 1.8 1994/06/08 11:37:16 mycroft Exp $
*/
/*
* nfs definitions as per the version 2 specs
*/
/*
* Constants as defined in the Sun NFS Version 2 spec.
* "NFS: Network File System Protocol Specification" RFC1094
*/
#define NFS_PORT 2049
#define NFS_PROG 100003
#define NFS_VER2 2
#define NFS_MAXDGRAMDATA 8192
#define NFS_MAXDATA 32768
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 255
#define NFS_FHSIZE 32
#define NFS_MAXPKTHDR 404
#define NFS_MAXPACKET (NFS_MAXPKTHDR+NFS_MAXDATA)
#define NFS_MINPACKET 20
#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
/* 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_NAMETOL 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_NFSFATTR 68
#define NFSX_NQFATTR 92
#define NFSX_NFSSATTR 32
#define NFSX_NQSATTR 44
#define NFSX_COOKIE 4
#define NFSX_NFSSTATFS 20
#define NFSX_NQSTATFS 28
#define NFSX_FATTR(isnq) ((isnq) ? NFSX_NQFATTR : NFSX_NFSFATTR)
#define NFSX_SATTR(isnq) ((isnq) ? NFSX_NQSATTR : NFSX_NFSSATTR)
#define NFSX_STATFS(isnq) ((isnq) ? NFSX_NQSTATFS : NFSX_NFSSTATFS)
/* nfs rpc procedure numbers */
#define NFSPROC_NULL 0
#define NFSPROC_GETATTR 1
#define NFSPROC_SETATTR 2
#define NFSPROC_NOOP 3
#define NFSPROC_ROOT NFSPROC_NOOP /* Obsolete */
#define NFSPROC_LOOKUP 4
#define NFSPROC_READLINK 5
#define NFSPROC_READ 6
#define NFSPROC_WRITECACHE NFSPROC_NOOP /* 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
/* NQ nfs numbers */
#define NQNFSPROC_READDIRLOOK 18
#define NQNFSPROC_GETLEASE 19
#define NQNFSPROC_VACATED 20
#define NQNFSPROC_EVICTED 21
#define NQNFSPROC_ACCESS 22
#define NFS_NPROCS 23
/* Conversion macros */
extern int vttoif_tab[];
#define vtonfs_mode(t,m) \
txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
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) ntov_type[fxdr_unsigned(u_long,(a))&0x7]
/* File types */
typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;
/* Structs for common parts of the rpc's */
struct nfsv2_time {
u_long nfs_sec;
u_long nfs_usec;
};
struct nqnfs_time {
u_long nq_sec;
u_long nq_nsec;
};
/*
* File attributes and setable attributes. These structures cover both
* NFS version 2 and the NQNFS protocol. Note that the union is only
* used to that one pointer can refer to both variants. These structures
* go out on the wire and must be densely packed, so no quad data types
* are used. (all fields are longs or u_longs or structures of same)
* NB: You can't do sizeof(struct nfsv2_fattr), you must use the
* NFSX_FATTR(isnq) macro.
*/
struct nfsv2_fattr {
u_long fa_type;
u_long fa_mode;
u_long fa_nlink;
u_long fa_uid;
u_long fa_gid;
union {
struct {
u_long nfsfa_size;
u_long nfsfa_blocksize;
u_long nfsfa_rdev;
u_long nfsfa_blocks;
u_long nfsfa_fsid;
u_long nfsfa_fileid;
struct nfsv2_time nfsfa_atime;
struct nfsv2_time nfsfa_mtime;
struct nfsv2_time nfsfa_ctime;
} fa_nfsv2;
struct {
struct {
u_long nqfa_qsize[2];
} nqfa_size;
u_long nqfa_blocksize;
u_long nqfa_rdev;
struct {
u_long nqfa_qbytes[2];
} nqfa_bytes;
u_long nqfa_fsid;
u_long nqfa_fileid;
struct nqnfs_time nqfa_atime;
struct nqnfs_time nqfa_mtime;
struct nqnfs_time nqfa_ctime;
u_long nqfa_flags;
u_long nqfa_gen;
struct {
u_long nqfa_qfilerev[2];
} nqfa_filerev;
} fa_nqnfs;
} fa_un;
};
/* and some ugly defines for accessing union components */
#define fa_nfssize fa_un.fa_nfsv2.nfsfa_size
#define fa_nfsblocksize fa_un.fa_nfsv2.nfsfa_blocksize
#define fa_nfsrdev fa_un.fa_nfsv2.nfsfa_rdev
#define fa_nfsblocks fa_un.fa_nfsv2.nfsfa_blocks
#define fa_nfsfsid fa_un.fa_nfsv2.nfsfa_fsid
#define fa_nfsfileid fa_un.fa_nfsv2.nfsfa_fileid
#define fa_nfsatime fa_un.fa_nfsv2.nfsfa_atime
#define fa_nfsmtime fa_un.fa_nfsv2.nfsfa_mtime
#define fa_nfsctime fa_un.fa_nfsv2.nfsfa_ctime
#define fa_nqsize fa_un.fa_nqnfs.nqfa_size
#define fa_nqblocksize fa_un.fa_nqnfs.nqfa_blocksize
#define fa_nqrdev fa_un.fa_nqnfs.nqfa_rdev
#define fa_nqbytes fa_un.fa_nqnfs.nqfa_bytes
#define fa_nqfsid fa_un.fa_nqnfs.nqfa_fsid
#define fa_nqfileid fa_un.fa_nqnfs.nqfa_fileid
#define fa_nqatime fa_un.fa_nqnfs.nqfa_atime
#define fa_nqmtime fa_un.fa_nqnfs.nqfa_mtime
#define fa_nqctime fa_un.fa_nqnfs.nqfa_ctime
#define fa_nqflags fa_un.fa_nqnfs.nqfa_flags
#define fa_nqgen fa_un.fa_nqnfs.nqfa_gen
#define fa_nqfilerev fa_un.fa_nqnfs.nqfa_filerev
struct nfsv2_sattr {
u_long sa_mode;
u_long sa_uid;
u_long sa_gid;
union {
struct {
u_long nfssa_size;
struct nfsv2_time nfssa_atime;
struct nfsv2_time nfssa_mtime;
} sa_nfsv2;
struct {
struct {
u_long nqsa_qsize[2];
} nqsa_size;
struct nqnfs_time nqsa_atime;
struct nqnfs_time nqsa_mtime;
u_long nqsa_flags;
u_long nqsa_rdev;
} sa_nqnfs;
} sa_un;
};
/* and some ugly defines for accessing the unions */
#define sa_nfssize sa_un.sa_nfsv2.nfssa_size
#define sa_nfsatime sa_un.sa_nfsv2.nfssa_atime
#define sa_nfsmtime sa_un.sa_nfsv2.nfssa_mtime
#define sa_nqsize sa_un.sa_nqnfs.nqsa_size
#define sa_nqatime sa_un.sa_nqnfs.nqsa_atime
#define sa_nqmtime sa_un.sa_nqnfs.nqsa_mtime
#define sa_nqflags sa_un.sa_nqnfs.nqsa_flags
#define sa_nqrdev sa_un.sa_nqnfs.nqsa_rdev
struct nfsv2_statfs {
u_long sf_tsize;
u_long sf_bsize;
u_long sf_blocks;
u_long sf_bfree;
u_long sf_bavail;
u_long sf_files; /* Nqnfs only */
u_long sf_ffree; /* ditto */
};
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