/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part.  Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California  94043
*/

#ifndef RPC_HDR
%#include <sys/cdefs.h>
%#ifndef __lint__
%/*static char sccsid[] = "from: @(#)nfs_prot.x 1.2 87/10/12 Copyr 1987 Sun Micro";*/
%/*static char sccsid[] = "from: @(#)nfs_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
%__RCSID("$NetBSD: nfs_prot.x,v 1.8 2021/11/07 20:31:09 andvar Exp $");
%#endif /* not __lint__ */
#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_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;
};

/*
* NFSv3 constants and types
*/
const NFS3_FHSIZE       = 64;   /* maximum size in bytes of a file handle */
const NFS3_COOKIEVERFSIZE = 8;  /* size of a cookie verifier for READDIR */
const NFS3_CREATEVERFSIZE = 8;  /* size of the verifier used for CREATE */
const NFS3_WRITEVERFSIZE = 8;   /* size of the verifier used for WRITE */

typedef string filename3<>;
typedef string nfspath3<>;
typedef u_int64_t fileid3;
typedef u_int64_t cookie3;
typedef opaque cookieverf3[NFS3_COOKIEVERFSIZE];
typedef opaque createverf3[NFS3_CREATEVERFSIZE];
typedef opaque writeverf3[NFS3_WRITEVERFSIZE];
typedef u_int32_t uid3;
typedef u_int32_t gid3;
typedef u_int64_t size3;
typedef u_int64_t offset3;
typedef u_int32_t mode3;
typedef u_int32_t count3;

/*
* Error status (v3)
*/
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 (v3)
*/
enum ftype3 {
       NF3REG  = 1,            /* regular file */
       NF3DIR  = 2,            /* directory */
       NF3BLK  = 3,            /* block special */
       NF3CHR  = 4,            /* character special */
       NF3LNK  = 5,            /* symbolic link */
       NF3SOCK = 6,            /* unix domain sockets */
       NF3FIFO = 7             /* named pipe */
};

struct specdata3 {
       u_int32_t       specdata1;
       u_int32_t       specdata2;
};

/*
* File access handle (v3)
*/
struct nfs_fh3 {
       opaque data<NFS3_FHSIZE>;
};

/*
* Timeval (v3)
*/
struct nfstime3 {
       u_int32_t       seconds;
       u_int32_t       nseconds;
};


/*
* File attributes (v3)
*/
struct fattr3 {
       ftype3  type;           /* file type */
       mode3   mode;           /* protection mode bits */
       u_int32_t       nlink;          /* # hard links */
       uid3    uid;            /* owner user id */
       gid3    gid;            /* owner group id */
       size3   size;           /* file size in bytes */
       size3   used;           /* preferred block size */
       specdata3 rdev;         /* special device # */
       u_int64_t fsid;         /* device # */
       fileid3 fileid;         /* inode # */
       nfstime3 atime;         /* time of last access */
       nfstime3 mtime;         /* time of last modification */
       nfstime3 ctime;         /* time of last change */
};

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;
};

/*
* File attributes which can be set (v3)
*/
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;
};

/*
* Arguments for directory operations (v3)
*/
struct diropargs3 {
       nfs_fh3 dir;            /* directory file handle */
       filename3 name;         /* name (up to NFS_MAXNAMLEN bytes) */
};

/*
* Arguments to getattr (v3).
*/
struct GETATTR3args {
       nfs_fh3         object;
};

struct GETATTR3resok {
       fattr3          obj_attributes;
};

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

/*
* Arguments to setattr (v3).
*/
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;
};

/*
* Arguments to lookup (v3).
*/
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;
};

/*
* Arguments to access (v3).
*/
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;
       u_int32_t               access;
};

struct ACCESS3resok {
       post_op_attr    obj_attributes;
       u_int32_t               access;
};

struct ACCESS3resfail {
       post_op_attr    obj_attributes;
};

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

/*
* Arguments to readlink (v3).
*/
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;
};

/*
* Arguments to read (v3).
*/
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;
};

/* XXX: solaris 2.6 uses ``nfsstat'' here */
union READ3res switch (nfsstat3 status) {
case NFS3_OK:
       READ3resok      resok;
default:
       READ3resfail    resfail;
};

/*
* Arguments to write (v3).
*/
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;
};

/*
* Arguments to create (v3).
*/
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;
};

/*
* Arguments to mkdir (v3).
*/
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;
};

/*
* Arguments to symlink (v3).
*/
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;
};

/*
* Arguments to mknod (v3).
*/
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;
};

/*
* Arguments to remove (v3).
*/
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;
};

/*
* Arguments to rmdir (v3).
*/
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;
};

/*
* Arguments to rename (v3).
*/
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;
};

/*
* Arguments to link (v3).
*/
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;
};

/*
* Arguments to readdir (v3).
*/
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;
};

/*
* Arguments to readdirplus (v3).
*/
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;
};

/*
* Arguments to fsstat (v3).
*/
struct FSSTAT3args {
       nfs_fh3         fsroot;
};

struct FSSTAT3resok {
       post_op_attr    obj_attributes;
       size3           tbytes;
       size3           fbytes;
       size3           abytes;
       size3           tfiles;
       size3           ffiles;
       size3           afiles;
       u_int32_t               invarsec;
};

struct FSSTAT3resfail {
       post_op_attr    obj_attributes;
};

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

/*
* Arguments to fsinfo (v3).
*/
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;
       u_int32_t               rtmax;
       u_int32_t               rtpref;
       u_int32_t               rtmult;
       u_int32_t               wtmax;
       u_int32_t               wtpref;
       u_int32_t               wtmult;
       u_int32_t               dtpref;
       size3           maxfilesize;
       nfstime3        time_delta;
       u_int32_t               properties;
};

struct FSINFO3resfail {
       post_op_attr    obj_attributes;
};

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

/*
* Arguments to pathconf (v3).
*/
struct PATHCONF3args {
       nfs_fh3         object;
};

struct PATHCONF3resok {
       post_op_attr    obj_attributes;
       u_int32_t               linkmax;
       u_int32_t               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;
};

/*
* Arguments to commit (v3).
*/
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 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;
       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;

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