xref: /illumos-gate/usr/src/head/rpcsvc/nfs_prot.x (revision e13f9236)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifdef RPC_HDR
%/*
% * Definitions for uint64, int64, uint32, and int32
% */
%#include <rpc/rpc_sztypes.h>
%
#endif

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_XDEV=18,		/* Cross-device link */
	NFSERR_NODEV=19,	/* No such device */
	NFSERR_NOTDIR=20,	/* Not a directory*/
	NFSERR_ISDIR=21,	/* Is a directory */
	NFSERR_INVAL=22,	/* Invalid argument */
	NFSERR_FBIG=27,		/* File too large */
	NFSERR_NOSPC=28,	/* No space left on device */
	NFSERR_ROFS=30,		/* Read-only file system */
	NFSERR_OPNOTSUPP=45,	/* Operation not supported */
	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_REMOTE=71,	/* Object is remote */
	NFSERR_WFLUSH=72	/* 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;	/* prefered 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;

/*
 * Version 3 declarations and definitions.
 */

/*
 * Sizes
 */
const NFS3_FHSIZE         = 64;
const NFS3_COOKIEVERFSIZE = 8;
const NFS3_CREATEVERFSIZE = 8;
const NFS3_WRITEVERFSIZE  = 8;

/*
 * Basic data types
 */
typedef string		filename3<>;
typedef string		nfspath3<>;
typedef uint64		fileid3;
typedef uint64		cookie3;
typedef opaque		cookieverf3[NFS3_COOKIEVERFSIZE];
typedef opaque		createverf3[NFS3_CREATEVERFSIZE];
typedef opaque		writeverf3[NFS3_WRITEVERFSIZE];
typedef uint32		uid3;
typedef uint32		gid3;
typedef uint64		size3;
typedef uint64		offset3;
typedef uint32		mode3;
typedef uint32		count3;

/*
 * Error status
 */
enum nfsstat3 {
	NFS3_OK = 0,
	NFS3ERR_PERM = 1,
	NFS3ERR_NOENT = 2,
	NFS3ERR_IO = 5,
	NFS3ERR_NXIO = 6,
	NFS3ERR_ACCES = 13,
	NFS3ERR_EXIST = 17,
	NFS3ERR_XDEV = 18,
	NFS3ERR_NODEV = 19,
	NFS3ERR_NOTDIR = 20,
	NFS3ERR_ISDIR = 21,
	NFS3ERR_INVAL = 22,
	NFS3ERR_FBIG = 27,
	NFS3ERR_NOSPC = 28,
	NFS3ERR_ROFS = 30,
	NFS3ERR_MLINK = 31,
	NFS3ERR_NAMETOOLONG = 63,
	NFS3ERR_NOTEMPTY = 66,
	NFS3ERR_DQUOT = 69,
	NFS3ERR_STALE = 70,
	NFS3ERR_REMOTE = 71,
	NFS3ERR_BADHANDLE = 10001,
	NFS3ERR_NOT_SYNC = 10002,
	NFS3ERR_BAD_COOKIE = 10003,
	NFS3ERR_NOTSUPP = 10004,
	NFS3ERR_TOOSMALL = 10005,
	NFS3ERR_SERVERFAULT = 10006,
	NFS3ERR_BADTYPE = 10007,
	NFS3ERR_JUKEBOX = 10008
};

/*
 * File types
 */
enum ftype3 {
	NF3REG = 1,
	NF3DIR = 2,
	NF3BLK = 3,
	NF3CHR = 4,
	NF3LNK = 5,
	NF3SOCK = 6,
	NF3FIFO = 7
};

struct specdata3 {
	uint32	specdata1;
	uint32	specdata2;
};

/*
 * File access handle
 */
struct nfs_fh3 {
	opaque data<NFS3_FHSIZE>;
};

/*
 * Timeval
 */
struct nfstime3 {
	uint32 seconds;
	uint32 nseconds;
};

/*
 * File attributes
 */
struct fattr3 {
	ftype3	  type;
	mode3	  mode;
	uint32	  nlink;
	uid3	  uid;
	gid3	  gid;
	size3	  size;
	size3	  used;
	specdata3 rdev;
	uint64	  fsid;
	fileid3	  fileid;
	nfstime3  atime;
	nfstime3  mtime;
	nfstime3  ctime;
};

/*
 * File attributes
 */
union post_op_attr switch (bool attributes_follow) {
case TRUE:
	fattr3 attributes;
case FALSE:
	void;
};

struct wcc_attr {
	size3	 size;
	nfstime3 mtime;
	nfstime3 ctime;
};

union pre_op_attr switch (bool attributes_follow) {
case TRUE:
	wcc_attr attributes;
case FALSE:
	void;
};

struct wcc_data {
	pre_op_attr  before;
	post_op_attr after;
};

union post_op_fh3 switch (bool handle_follows) {
case TRUE:
	nfs_fh3 handle;
case FALSE:
	void;
};

enum time_how {
	DONT_CHANGE	   = 0,
	SET_TO_SERVER_TIME = 1,
	SET_TO_CLIENT_TIME = 2
};

union set_mode3 switch (bool set_it) {
case TRUE:
	mode3 mode;
default:
	void;
};

union set_uid3 switch (bool set_it) {
case TRUE:
	uid3 uid;
default:
	void;
};

union set_gid3 switch (bool set_it) {
case TRUE:
	gid3 gid;
default:
	void;
};

union set_size3 switch (bool set_it) {
case TRUE:
	size3	size;
default:
	void;
};

union set_atime switch (time_how set_it) {
case SET_TO_CLIENT_TIME:
	nfstime3 atime;
default:
	void;
};

union set_mtime switch (time_how set_it) {
case SET_TO_CLIENT_TIME:
	nfstime3 mtime;
default:
	void;
};

struct sattr3 {
	set_mode3 mode;
	set_uid3  uid;
	set_gid3  gid;
	set_size3 size;
	set_atime atime;
	set_mtime mtime;
};

struct diropargs3 {
	nfs_fh3   dir;
	filename3 name;
};

/*
 * GETATTR: Get file attributes
 */
struct GETATTR3args {
	nfs_fh3 object;
};

struct GETATTR3resok {
	fattr3 obj_attributes;
};

union GETATTR3res switch (nfsstat3 status) {
case NFS3_OK:
	GETATTR3resok resok;
default:
	void;
};

/*
 * SETATTR: Set file attributes
 */
union sattrguard3 switch (bool check) {
case TRUE:
	nfstime3 obj_ctime;
case FALSE:
	void;
};

struct SETATTR3args {
	nfs_fh3     object;
	sattr3	    new_attributes;
	sattrguard3 guard;
};

struct SETATTR3resok {
	wcc_data obj_wcc;
};

struct SETATTR3resfail {
	wcc_data obj_wcc;
};

union SETATTR3res switch (nfsstat3 status) {
case NFS3_OK:
	SETATTR3resok	resok;
default:
	SETATTR3resfail	resfail;
};

/*
 * LOOKUP: Lookup filename
 */
struct LOOKUP3args {
	diropargs3 what;
};

struct LOOKUP3resok {
	nfs_fh3		object;
	post_op_attr	obj_attributes;
	post_op_attr	dir_attributes;
};

struct LOOKUP3resfail {
	post_op_attr	dir_attributes;
};

union LOOKUP3res switch (nfsstat3 status) {
case NFS3_OK:
	LOOKUP3resok	resok;
default:
	LOOKUP3resfail	resfail;
};

/*
 * ACCESS: Check access permission
 */
const ACCESS3_READ	= 0x0001;
const ACCESS3_LOOKUP	= 0x0002;
const ACCESS3_MODIFY	= 0x0004;
const ACCESS3_EXTEND	= 0x0008;
const ACCESS3_DELETE	= 0x0010;
const ACCESS3_EXECUTE	= 0x0020;

struct ACCESS3args {
	nfs_fh3	object;
	uint32	access;
};

struct ACCESS3resok {
	post_op_attr	obj_attributes;
	uint32		access;
};

struct ACCESS3resfail {
	post_op_attr	obj_attributes;
};

union ACCESS3res switch (nfsstat3 status) {
case NFS3_OK:
	ACCESS3resok	resok;
default:
	ACCESS3resfail	resfail;
};

/*
 * READLINK: Read from symbolic link
 */
struct READLINK3args {
	nfs_fh3	symlink;
};

struct READLINK3resok {
	post_op_attr	symlink_attributes;
	nfspath3	data;
};

struct READLINK3resfail {
	post_op_attr	symlink_attributes;
};

union READLINK3res switch (nfsstat3 status) {
case NFS3_OK:
	READLINK3resok	 resok;
default:
	READLINK3resfail resfail;
};

/*
 * READ: Read from file
 */
struct READ3args {
	nfs_fh3		file;
	offset3		offset;
	count3		count;
};

struct READ3resok {
	post_op_attr	file_attributes;
	count3		count;
	bool		eof;
	opaque		data<>;
};

struct READ3resfail {
	post_op_attr	file_attributes;
};

union READ3res switch (nfsstat3 status) {
case NFS3_OK:
	READ3resok	resok;
default:
	READ3resfail	resfail;
};

/*
 * WRITE: Write to file
 */
enum stable_how {
	UNSTABLE  = 0,
	DATA_SYNC = 1,
	FILE_SYNC = 2
};

struct WRITE3args {
	nfs_fh3		file;
	offset3		offset;
	count3		count;
	stable_how	stable;
	opaque		data<>;
};

struct WRITE3resok {
	wcc_data	file_wcc;
	count3		count;
	stable_how	committed;
	writeverf3	verf;
};

struct WRITE3resfail {
	wcc_data	file_wcc;
};

union WRITE3res switch (nfsstat3 status) {
case NFS3_OK:
	WRITE3resok	resok;
default:
	WRITE3resfail	resfail;
};

/*
 * CREATE: Create a file
 */
enum createmode3 {
	UNCHECKED = 0,
	GUARDED	  = 1,
	EXCLUSIVE = 2
};

union createhow3 switch (createmode3 mode) {
case UNCHECKED:
case GUARDED:
	sattr3		obj_attributes;
case EXCLUSIVE:
	createverf3	verf;
};

struct CREATE3args {
	diropargs3	where;
	createhow3	how;
};

struct CREATE3resok {
	post_op_fh3	obj;
	post_op_attr	obj_attributes;
	wcc_data	dir_wcc;
};

struct CREATE3resfail {
	wcc_data	dir_wcc;
};

union CREATE3res switch (nfsstat3 status) {
case NFS3_OK:
	CREATE3resok	resok;
default:
	CREATE3resfail	resfail;
};

/*
 * MKDIR: Create a directory
 */
struct MKDIR3args {
	diropargs3	where;
	sattr3		attributes;
};

struct MKDIR3resok {
	post_op_fh3	obj;
	post_op_attr	obj_attributes;
	wcc_data	dir_wcc;
};

struct MKDIR3resfail {
	wcc_data	dir_wcc;
};

union MKDIR3res switch (nfsstat3 status) {
case NFS3_OK:
	MKDIR3resok	resok;
default:
	MKDIR3resfail	resfail;
};

/*
 * SYMLINK: Create a symbolic link
 */
struct symlinkdata3 {
	sattr3		symlink_attributes;
	nfspath3	symlink_data;
};

struct SYMLINK3args {
	diropargs3	where;
	symlinkdata3	symlink;
};

struct SYMLINK3resok {
	post_op_fh3	obj;
	post_op_attr	obj_attributes;
	wcc_data	dir_wcc;
};

struct SYMLINK3resfail {
	wcc_data	dir_wcc;
};

union SYMLINK3res switch (nfsstat3 status) {
case NFS3_OK:
	SYMLINK3resok	resok;
default:
	SYMLINK3resfail	resfail;
};

/*
 * MKNOD: Create a special file
 */
struct devicedata3 {
	sattr3		dev_attributes;
	specdata3	spec;
};

union mknoddata3 switch (ftype3 type) {
case NF3CHR:
case NF3BLK:
	devicedata3	device;
case NF3SOCK:
case NF3FIFO:
	sattr3		pipe_attributes;
default:
	void;
};

struct MKNOD3args {
	diropargs3	where;
	mknoddata3	what;
};

struct MKNOD3resok {
	post_op_fh3	obj;
	post_op_attr	obj_attributes;
	wcc_data	dir_wcc;
};

struct MKNOD3resfail {
	wcc_data	dir_wcc;
};

union MKNOD3res switch (nfsstat3 status) {
case NFS3_OK:
	MKNOD3resok	resok;
default:
	MKNOD3resfail	resfail;
};

/*
 * REMOVE: Remove a file
 */
struct REMOVE3args {
	diropargs3	object;
};

struct REMOVE3resok {
	wcc_data	dir_wcc;
};

struct REMOVE3resfail {
	wcc_data	dir_wcc;
};

union REMOVE3res switch (nfsstat3 status) {
case NFS3_OK:
	REMOVE3resok	resok;
default:
	REMOVE3resfail	resfail;
};

/*
 * RMDIR: Remove a directory
 */
struct RMDIR3args {
	diropargs3 object;
};

struct RMDIR3resok {
	wcc_data	dir_wcc;
};

struct RMDIR3resfail {
	wcc_data	dir_wcc;
};

union RMDIR3res switch (nfsstat3 status) {
case NFS3_OK:
	RMDIR3resok	resok;
default:
	RMDIR3resfail	resfail;
};

/*
 * RENAME: Rename a file or directory
 */
struct RENAME3args {
	diropargs3	from;
	diropargs3	to;
};

struct RENAME3resok {
	wcc_data	fromdir_wcc;
	wcc_data	todir_wcc;
};

struct RENAME3resfail {
	wcc_data	fromdir_wcc;
	wcc_data	todir_wcc;
};

union RENAME3res switch (nfsstat3 status) {
case NFS3_OK:
	RENAME3resok	resok;
default:
	RENAME3resfail	resfail;
};

/*
 * LINK: Create link to an object
 */
struct LINK3args {
	nfs_fh3		file;
	diropargs3	link;
};

struct LINK3resok {
	post_op_attr	file_attributes;
	wcc_data	linkdir_wcc;
};

struct LINK3resfail {
	post_op_attr	file_attributes;
	wcc_data	linkdir_wcc;
};

union LINK3res switch (nfsstat3 status) {
case NFS3_OK:
	LINK3resok	resok;
default:
	LINK3resfail	resfail;
};

/*
 * READDIR: Read from directory
 */
struct READDIR3args {
	nfs_fh3		dir;
	cookie3		cookie;
	cookieverf3	cookieverf;
	count3		count;
};

struct entry3 {
	fileid3		fileid;
	filename3	name;
	cookie3		cookie;
	entry3		*nextentry;
};

struct dirlist3 {
	entry3	*entries;
	bool	eof;
};

struct READDIR3resok {
	post_op_attr	dir_attributes;
	cookieverf3	cookieverf;
	dirlist3	reply;
};

struct READDIR3resfail {
	post_op_attr	dir_attributes;
};

union READDIR3res switch (nfsstat3 status) {
case NFS3_OK:
	READDIR3resok	resok;
default:
	READDIR3resfail	resfail;
};

/*
 * READDIRPLUS: Extended read from a directory
 */
struct READDIRPLUS3args {
	nfs_fh3		dir;
	cookie3		cookie;
	cookieverf3	cookieverf;
	count3		dircount;
	count3		maxcount;
};

struct entryplus3 {
	fileid3		fileid;
	filename3	name;
	cookie3		cookie;
	post_op_attr	name_attributes;
	post_op_fh3	name_handle;
	entryplus3	*nextentry;
};

struct dirlistplus3 {
	entryplus3	*entries;
	bool		eof;
};

struct READDIRPLUS3resok {
	post_op_attr	dir_attributes;
	cookieverf3	cookieverf;
	dirlistplus3	reply;
};

struct READDIRPLUS3resfail {
	post_op_attr	dir_attributes;
};

union READDIRPLUS3res switch (nfsstat3 status) {
case NFS3_OK:
	READDIRPLUS3resok	resok;
default:
	READDIRPLUS3resfail	resfail;
};

/*
 * FSSTAT: Get dynamic file system information
 */
struct FSSTAT3args {
	nfs_fh3	fsroot;
};

struct FSSTAT3resok {
	post_op_attr	obj_attributes;
	size3		tbytes;
	size3		fbytes;
	size3		abytes;
	size3		tfiles;
	size3		ffiles;
	size3		afiles;
	uint32		invarsec;
};

struct FSSTAT3resfail {
	post_op_attr	obj_attributes;
};

union FSSTAT3res switch (nfsstat3 status) {
case NFS3_OK:
	FSSTAT3resok	resok;
default:
	FSSTAT3resfail	resfail;
};

/*
 * FSINFO: Get static file system information
 */

const FSF3_LINK		= 0x0001;
const FSF3_SYMLINK	= 0x0002;
const FSF3_HOMOGENEOUS	= 0x0008;
const FSF3_CANSETTIME	= 0x0010;

struct FSINFO3args {
	nfs_fh3	fsroot;
};

struct FSINFO3resok {
	post_op_attr	obj_attributes;
	uint32		rtmax;
	uint32		rtpref;
	uint32		rtmult;
	uint32		wtmax;
	uint32		wtpref;
	uint32		wtmult;
	uint32		dtpref;
	size3		maxfilesize;
	nfstime3	time_delta;
	uint32		properties;
};

struct FSINFO3resfail {
	post_op_attr	obj_attributes;
};

union FSINFO3res switch (nfsstat3 status) {
case NFS3_OK:
	FSINFO3resok	resok;
default:
	FSINFO3resfail	resfail;
};

/*
 * PATHCONF: Retrieve POSIX information
 */
struct PATHCONF3args {
	nfs_fh3	object;
};

struct PATHCONF3resok {
	post_op_attr	obj_attributes;
	uint32		linkmax;
	uint32		name_max;
	bool		no_trunc;
	bool		chown_restricted;
	bool		case_insensitive;
	bool		case_preserving;
};

struct PATHCONF3resfail {
	post_op_attr	obj_attributes;
};

union PATHCONF3res switch (nfsstat3 status) {
case NFS3_OK:
	PATHCONF3resok	 resok;
default:
	PATHCONF3resfail resfail;
};

/*
 * COMMIT: Commit cached data on a server to stable storage
 */
struct COMMIT3args {
	nfs_fh3	file;
	offset3	offset;
	count3	count;
};

struct COMMIT3resok {
	wcc_data	file_wcc;
	writeverf3	verf;
};

struct COMMIT3resfail {
	wcc_data	file_wcc;
};

union COMMIT3res switch (nfsstat3 status) {
case NFS3_OK:
	COMMIT3resok	resok;
default:
	COMMIT3resfail	resfail;
};

/*
 * Remote file service routines
 */
program NFS3_PROGRAM {
	version NFS_V3 {
		void
		NFSPROC3_NULL(void) = 0;

		GETATTR3res
		NFSPROC3_GETATTR(GETATTR3args) = 1;

		SETATTR3res
		NFSPROC3_SETATTR(SETATTR3args) = 2;

		LOOKUP3res
		NFSPROC3_LOOKUP(LOOKUP3args) = 3;

		ACCESS3res
		NFSPROC3_ACCESS(ACCESS3args) = 4;

		READLINK3res
		NFSPROC3_READLINK(READLINK3args) = 5;

		READ3res
		NFSPROC3_READ(READ3args) = 6;

		WRITE3res
		NFSPROC3_WRITE(WRITE3args) = 7;

		CREATE3res
		NFSPROC3_CREATE(CREATE3args) = 8;

		MKDIR3res
		NFSPROC3_MKDIR(MKDIR3args) = 9;

		SYMLINK3res
		NFSPROC3_SYMLINK(SYMLINK3args) = 10;

		MKNOD3res
		NFSPROC3_MKNOD(MKNOD3args) = 11;

		REMOVE3res
		NFSPROC3_REMOVE(REMOVE3args) = 12;

		RMDIR3res
		NFSPROC3_RMDIR(RMDIR3args) = 13;

		RENAME3res
		NFSPROC3_RENAME(RENAME3args) = 14;

		LINK3res
		NFSPROC3_LINK(LINK3args) = 15;

		READDIR3res
		NFSPROC3_READDIR(READDIR3args) = 16;

		READDIRPLUS3res
		NFSPROC3_READDIRPLUS(READDIRPLUS3args) = 17;

		FSSTAT3res
		NFSPROC3_FSSTAT(FSSTAT3args) = 18;

		FSINFO3res
		NFSPROC3_FSINFO(FSINFO3args) = 19;

		PATHCONF3res
		NFSPROC3_PATHCONF(PATHCONF3args) = 20;

		COMMIT3res
		NFSPROC3_COMMIT(COMMIT3args) = 21;
	} = 3;
} = 100003;