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/* @(#)nfs_prot.x 2.1 88/08/01 4.0 RPCSRC */
/*
* nfs_prot.x 1.2 87/10/12
* Copyright (c) 2010, Oracle America, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the "Oracle America, Inc." 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
const NFS_PORT = 2049;
const NFS_MAXDATA = 8192;
const NFS_MAXPATHLEN = 1024;
const NFS_MAXNAMLEN = 255;
const NFS_FHSIZE = 32;
const NFS_COOKIESIZE = 4;
const NFS_FIFO_DEV = -1; /* size kludge for named pipes */
/*
* File types
*/
const NFSMODE_FMT = 0170000; /* type of file */
const NFSMODE_DIR = 0040000; /* directory */
const NFSMODE_CHR = 0020000; /* character special */
const NFSMODE_BLK = 0060000; /* block special */
const NFSMODE_REG = 0100000; /* regular */
const NFSMODE_LNK = 0120000; /* symbolic link */
const NFSMODE_SOCK = 0140000; /* socket */
const NFSMODE_FIFO = 0010000; /* fifo */
/*
* Error status
*/
enum nfsstat {
NFS_OK= 0, /* no error */
NFSERR_PERM=1, /* Not owner */
NFSERR_NOENT=2, /* No such file or directory */
NFSERR_IO=5, /* I/O error */
NFSERR_NXIO=6, /* No such device or address */
NFSERR_ACCES=13, /* Permission denied */
NFSERR_EXIST=17, /* File exists */
NFSERR_NODEV=19, /* No such device */
NFSERR_NOTDIR=20, /* Not a directory*/
NFSERR_ISDIR=21, /* Is a directory */
NFSERR_FBIG=27, /* File too large */
NFSERR_NOSPC=28, /* No space left on device */
NFSERR_ROFS=30, /* Read-only file system */
NFSERR_NAMETOOLONG=63, /* File name too long */
NFSERR_NOTEMPTY=66, /* Directory not empty */
NFSERR_DQUOT=69, /* Disc quota exceeded */
NFSERR_STALE=70, /* Stale NFS file handle */
NFSERR_WFLUSH=99 /* write cache flushed */
};
/*
* File types
*/
enum ftype {
NFNON = 0, /* non-file */
NFREG = 1, /* regular file */
NFDIR = 2, /* directory */
NFBLK = 3, /* block special */
NFCHR = 4, /* character special */
NFLNK = 5, /* symbolic link */
NFSOCK = 6, /* unix domain sockets */
NFBAD = 7, /* unused */
NFFIFO = 8 /* named pipe */
};
/*
* File access handle
*/
struct nfs_fh {
opaque data[NFS_FHSIZE];
};
/*
* Timeval
*/
struct nfstime {
unsigned seconds;
unsigned useconds;
};
/*
* File attributes
*/
struct fattr {
ftype type; /* file type */
unsigned mode; /* protection mode bits */
unsigned nlink; /* # hard links */
unsigned uid; /* owner user id */
unsigned gid; /* owner group id */
unsigned size; /* file size in bytes */
unsigned blocksize; /* preferred block size */
unsigned rdev; /* special device # */
unsigned blocks; /* Kb of disk used by file */
unsigned fsid; /* device # */
unsigned fileid; /* inode # */
nfstime atime; /* time of last access */
nfstime mtime; /* time of last modification */
nfstime ctime; /* time of last change */
};
/*
* File attributes which can be set
*/
struct sattr {
unsigned mode; /* protection mode bits */
unsigned uid; /* owner user id */
unsigned gid; /* owner group id */
unsigned size; /* file size in bytes */
nfstime atime; /* time of last access */
nfstime mtime; /* time of last modification */
};
typedef string filename<NFS_MAXNAMLEN>;
typedef string nfspath<NFS_MAXPATHLEN>;
/*
* Reply status with file attributes
*/
union attrstat switch (nfsstat status) {
case NFS_OK:
fattr attributes;
default:
void;
};
struct sattrargs {
nfs_fh file;
sattr attributes;
};
/*
* Arguments for directory operations
*/
struct diropargs {
nfs_fh dir; /* directory file handle */
filename name; /* name (up to NFS_MAXNAMLEN bytes) */
};
struct diropokres {
nfs_fh file;
fattr attributes;
};
/*
* Results from directory operation
*/
union diropres switch (nfsstat status) {
case NFS_OK:
diropokres diropres;
default:
void;
};
union readlinkres switch (nfsstat status) {
case NFS_OK:
nfspath data;
default:
void;
};
/*
* Arguments to remote read
*/
struct readargs {
nfs_fh file; /* handle for file */
unsigned offset; /* byte offset in file */
unsigned count; /* immediate read count */
unsigned totalcount; /* total read count (from this offset)*/
};
/*
* Status OK portion of remote read reply
*/
struct readokres {
fattr attributes; /* attributes, need for pagin*/
opaque data<NFS_MAXDATA>;
};
union readres switch (nfsstat status) {
case NFS_OK:
readokres reply;
default:
void;
};
/*
* Arguments to remote write
*/
struct writeargs {
nfs_fh file; /* handle for file */
unsigned beginoffset; /* beginning byte offset in file */
unsigned offset; /* current byte offset in file */
unsigned totalcount; /* total write count (to this offset)*/
opaque data<NFS_MAXDATA>;
};
struct createargs {
diropargs where;
sattr attributes;
};
struct renameargs {
diropargs from;
diropargs to;
};
struct linkargs {
nfs_fh from;
diropargs to;
};
struct symlinkargs {
diropargs from;
nfspath to;
sattr attributes;
};
typedef opaque nfscookie[NFS_COOKIESIZE];
/*
* Arguments to readdir
*/
struct readdirargs {
nfs_fh dir; /* directory handle */
nfscookie cookie;
unsigned count; /* number of directory bytes to read */
};
struct entry {
unsigned fileid;
filename name;
nfscookie cookie;
entry *nextentry;
};
struct dirlist {
entry *entries;
bool eof;
};
union readdirres switch (nfsstat status) {
case NFS_OK:
dirlist reply;
default:
void;
};
struct statfsokres {
unsigned tsize; /* preferred transfer size in bytes */
unsigned bsize; /* fundamental file system block size */
unsigned blocks; /* total blocks in file system */
unsigned bfree; /* free blocks in fs */
unsigned bavail; /* free blocks avail to non-superuser */
};
union statfsres switch (nfsstat status) {
case NFS_OK:
statfsokres reply;
default:
void;
};
/*
* Remote file service routines
*/
program NFS_PROGRAM {
version NFS_VERSION {
void
NFSPROC_NULL(void) = 0;
attrstat
NFSPROC_GETATTR(nfs_fh) = 1;
attrstat
NFSPROC_SETATTR(sattrargs) = 2;
void
NFSPROC_ROOT(void) = 3;
diropres
NFSPROC_LOOKUP(diropargs) = 4;
readlinkres
NFSPROC_READLINK(nfs_fh) = 5;
readres
NFSPROC_READ(readargs) = 6;
void
NFSPROC_WRITECACHE(void) = 7;
attrstat
NFSPROC_WRITE(writeargs) = 8;
diropres
NFSPROC_CREATE(createargs) = 9;
nfsstat
NFSPROC_REMOVE(diropargs) = 10;
nfsstat
NFSPROC_RENAME(renameargs) = 11;
nfsstat
NFSPROC_LINK(linkargs) = 12;
nfsstat
NFSPROC_SYMLINK(symlinkargs) = 13;
diropres
NFSPROC_MKDIR(createargs) = 14;
nfsstat
NFSPROC_RMDIR(diropargs) = 15;
readdirres
NFSPROC_READDIR(readdirargs) = 16;
statfsres
NFSPROC_STATFS(nfs_fh) = 17;
} = 2;
} = 100003;