/*
 * Copyright (C) 2014 Taobao Inc.
 *
 * Liu Yuan <namei.unix@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <nfs://www.gnu.org/licenses/>.
 */
#ifndef _NFS_H
#define _NFS_H

#include <rpc/rpc.h>

#define NFS_PORT 2049
#define NFS_MAXDATA 8192
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 63
#define NFS_FHSIZE 32
#define NFS_COOKIESIZE 4
#define NFS_FIFO_DEV -1
#define NFSMODE_FMT 0170000
#define NFSMODE_DIR 0040000
#define NFSMODE_CHR 0020000
#define NFSMODE_BLK 0060000
#define NFSMODE_REG 0100000
#define NFSMODE_LNK 0120000
#define NFSMODE_SOCK 0140000
#define NFSMODE_FIFO 0010000

#define NFS3_FHSIZE 64
#define NFS3_COOKIEVERFSIZE 8
#define NFS3_CREATEVERFSIZE 8
#define NFS3_WRITEVERFSIZE 8

typedef u_quad_t uint64;

typedef quad_t int64;

typedef u_long uint32;

typedef long int32;

typedef char *filename3;

typedef char *nfspath3;

typedef uint64 fileid3;

typedef uint64 cookie3;

typedef char cookieverf3[NFS3_COOKIEVERFSIZE];

typedef char createverf3[NFS3_CREATEVERFSIZE];

typedef char writeverf3[NFS3_WRITEVERFSIZE];

typedef uint32 uid3;

typedef uint32 gid3;

typedef uint64 size3;

typedef uint64 offset3;

typedef uint32 mode3;

typedef uint32 count3;

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,
};
typedef enum nfsstat3 nfsstat3;

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

struct specdata3 {
	uint32 specdata1;
	uint32 specdata2;
};
typedef struct specdata3 specdata3;

struct nfs_fh3 {
	struct {
		u_int data_len;
		char *data_val;
	} data;
};
typedef struct nfs_fh3 nfs_fh3;

struct nfstime3 {
	uint32 seconds;
	uint32 nseconds;
};
typedef struct nfstime3 nfstime3;

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;
};
typedef struct fattr3 fattr3;

struct post_op_attr {
	bool_t attributes_follow;
	union {
		fattr3 attributes;
	} post_op_attr_u;
};
typedef struct post_op_attr post_op_attr;

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

struct pre_op_attr {
	bool_t attributes_follow;
	union {
		wcc_attr attributes;
	} pre_op_attr_u;
};
typedef struct pre_op_attr pre_op_attr;

struct wcc_data {
	pre_op_attr before;
	post_op_attr after;
};
typedef struct wcc_data wcc_data;

struct post_op_fh3 {
	bool_t handle_follows;
	union {
		nfs_fh3 handle;
	} post_op_fh3_u;
};
typedef struct post_op_fh3 post_op_fh3;

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

struct set_mode3 {
	bool_t set_it;
	mode3 mode;
};
typedef struct set_mode3 set_mode3;

struct set_uid3 {
	bool_t set_it;
	uid3 uid;
};
typedef struct set_uid3 set_uid3;

struct set_gid3 {
	bool_t set_it;
	gid3 gid;
};
typedef struct set_gid3 set_gid3;

struct set_size3 {
	bool_t set_it;
	size3 size;
};
typedef struct set_size3 set_size3;

struct set_atime {
	time_how set_it;
	nfstime3 atime;
};
typedef struct set_atime set_atime;

struct set_mtime {
	time_how set_it;
	nfstime3 mtime;
};
typedef struct set_mtime set_mtime;

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

struct diropargs3 {
	nfs_fh3 dir;
	filename3 name;
};
typedef struct diropargs3 diropargs3;

struct GETATTR3args {
	nfs_fh3 object;
};
typedef struct GETATTR3args GETATTR3args;

struct GETATTR3resok {
	fattr3 obj_attributes;
};
typedef struct GETATTR3resok GETATTR3resok;

struct GETATTR3res {
	nfsstat3 status;
	union {
		GETATTR3resok resok;
	} GETATTR3res_u;
};
typedef struct GETATTR3res GETATTR3res;

struct sattrguard3 {
	bool_t check;
	union {
		nfstime3 obj_ctime;
	} sattrguard3_u;
};
typedef struct sattrguard3 sattrguard3;

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

struct SETATTR3resok {
	wcc_data obj_wcc;
};
typedef struct SETATTR3resok SETATTR3resok;

struct SETATTR3resfail {
	wcc_data obj_wcc;
};
typedef struct SETATTR3resfail SETATTR3resfail;

struct SETATTR3res {
	nfsstat3 status;
	union {
		SETATTR3resok resok;
		SETATTR3resfail resfail;
	} SETATTR3res_u;
};
typedef struct SETATTR3res SETATTR3res;

struct LOOKUP3args {
	diropargs3 what;
};
typedef struct LOOKUP3args LOOKUP3args;

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

struct LOOKUP3resfail {
	post_op_attr dir_attributes;
};
typedef struct LOOKUP3resfail LOOKUP3resfail;

struct LOOKUP3res {
	nfsstat3 status;
	union {
		LOOKUP3resok resok;
		LOOKUP3resfail resfail;
	} LOOKUP3res_u;
};
typedef struct LOOKUP3res LOOKUP3res;
#define ACCESS3_READ 0x0001
#define ACCESS3_LOOKUP 0x0002
#define ACCESS3_MODIFY 0x0004
#define ACCESS3_EXTEND 0x0008
#define ACCESS3_DELETE 0x0010
#define ACCESS3_EXECUTE 0x0020

struct ACCESS3args {
	nfs_fh3 object;
	uint32 access;
};
typedef struct ACCESS3args ACCESS3args;

struct ACCESS3resok {
	post_op_attr obj_attributes;
	uint32 access;
};
typedef struct ACCESS3resok ACCESS3resok;

struct ACCESS3resfail {
	post_op_attr obj_attributes;
};
typedef struct ACCESS3resfail ACCESS3resfail;

struct ACCESS3res {
	nfsstat3 status;
	union {
		ACCESS3resok resok;
		ACCESS3resfail resfail;
	} ACCESS3res_u;
};
typedef struct ACCESS3res ACCESS3res;

struct READLINK3args {
	nfs_fh3 symlink;
};
typedef struct READLINK3args READLINK3args;

struct READLINK3resok {
	post_op_attr symlink_attributes;
	nfspath3 data;
};
typedef struct READLINK3resok READLINK3resok;

struct READLINK3resfail {
	post_op_attr symlink_attributes;
};
typedef struct READLINK3resfail READLINK3resfail;

struct READLINK3res {
	nfsstat3 status;
	union {
		READLINK3resok resok;
		READLINK3resfail resfail;
	} READLINK3res_u;
};
typedef struct READLINK3res READLINK3res;

struct READ3args {
	nfs_fh3 file;
	offset3 offset;
	count3 count;
};
typedef struct READ3args READ3args;

struct READ3resok {
	post_op_attr file_attributes;
	count3 count;
	bool_t eof;
	struct {
		u_int data_len;
		char *data_val;
	} data;
};
typedef struct READ3resok READ3resok;

struct READ3resfail {
	post_op_attr file_attributes;
};
typedef struct READ3resfail READ3resfail;

struct READ3res {
	nfsstat3 status;
	union {
		READ3resok resok;
		READ3resfail resfail;
	} READ3res_u;
};
typedef struct READ3res READ3res;

enum stable_how {
	UNSTABLE = 0,
	DATA_SYNC = 1,
	FILE_SYNC = 2,
};
typedef enum stable_how stable_how;

struct WRITE3args {
	nfs_fh3 file;
	offset3 offset;
	count3 count;
	stable_how stable;
	struct {
		u_int data_len;
		char *data_val;
	} data;
};
typedef struct WRITE3args WRITE3args;

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

struct WRITE3resfail {
	wcc_data file_wcc;
};
typedef struct WRITE3resfail WRITE3resfail;

struct WRITE3res {
	nfsstat3 status;
	union {
		WRITE3resok resok;
		WRITE3resfail resfail;
	} WRITE3res_u;
};
typedef struct WRITE3res WRITE3res;

enum createmode3 {
	UNCHECKED = 0,
	GUARDED = 1,
	EXCLUSIVE = 2,
};
typedef enum createmode3 createmode3;

struct createhow3 {
	createmode3 mode;
	union {
		sattr3 obj_attributes;
		createverf3 verf;
	} createhow3_u;
};
typedef struct createhow3 createhow3;

struct CREATE3args {
	diropargs3 where;
	createhow3 how;
};
typedef struct CREATE3args CREATE3args;

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

struct CREATE3resfail {
	wcc_data dir_wcc;
};
typedef struct CREATE3resfail CREATE3resfail;

struct CREATE3res {
	nfsstat3 status;
	union {
		CREATE3resok resok;
		CREATE3resfail resfail;
	} CREATE3res_u;
};
typedef struct CREATE3res CREATE3res;

struct MKDIR3args {
	diropargs3 where;
	sattr3 attributes;
};
typedef struct MKDIR3args MKDIR3args;

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

struct MKDIR3resfail {
	wcc_data dir_wcc;
};
typedef struct MKDIR3resfail MKDIR3resfail;

struct MKDIR3res {
	nfsstat3 status;
	union {
		MKDIR3resok resok;
		MKDIR3resfail resfail;
	} MKDIR3res_u;
};
typedef struct MKDIR3res MKDIR3res;

struct symlinkdata3 {
	sattr3 symlink_attributes;
	nfspath3 symlink_data;
};
typedef struct symlinkdata3 symlinkdata3;

struct SYMLINK3args {
	diropargs3 where;
	symlinkdata3 symlink;
};
typedef struct SYMLINK3args SYMLINK3args;

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

struct SYMLINK3resfail {
	wcc_data dir_wcc;
};
typedef struct SYMLINK3resfail SYMLINK3resfail;

struct SYMLINK3res {
	nfsstat3 status;
	union {
		SYMLINK3resok resok;
		SYMLINK3resfail resfail;
	} SYMLINK3res_u;
};
typedef struct SYMLINK3res SYMLINK3res;

struct devicedata3 {
	sattr3 dev_attributes;
	specdata3 spec;
};
typedef struct devicedata3 devicedata3;

struct mknoddata3 {
	ftype3 type;
	union {
		devicedata3 device;
		sattr3 pipe_attributes;
	} mknoddata3_u;
};
typedef struct mknoddata3 mknoddata3;

struct MKNOD3args {
	diropargs3 where;
	mknoddata3 what;
};
typedef struct MKNOD3args MKNOD3args;

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

struct MKNOD3resfail {
	wcc_data dir_wcc;
};
typedef struct MKNOD3resfail MKNOD3resfail;

struct MKNOD3res {
	nfsstat3 status;
	union {
		MKNOD3resok resok;
		MKNOD3resfail resfail;
	} MKNOD3res_u;
};
typedef struct MKNOD3res MKNOD3res;

struct REMOVE3args {
	diropargs3 object;
};
typedef struct REMOVE3args REMOVE3args;

struct REMOVE3resok {
	wcc_data dir_wcc;
};
typedef struct REMOVE3resok REMOVE3resok;

struct REMOVE3resfail {
	wcc_data dir_wcc;
};
typedef struct REMOVE3resfail REMOVE3resfail;

struct REMOVE3res {
	nfsstat3 status;
	union {
		REMOVE3resok resok;
		REMOVE3resfail resfail;
	} REMOVE3res_u;
};
typedef struct REMOVE3res REMOVE3res;

struct RMDIR3args {
	diropargs3 object;
};
typedef struct RMDIR3args RMDIR3args;

struct RMDIR3resok {
	wcc_data dir_wcc;
};
typedef struct RMDIR3resok RMDIR3resok;

struct RMDIR3resfail {
	wcc_data dir_wcc;
};
typedef struct RMDIR3resfail RMDIR3resfail;

struct RMDIR3res {
	nfsstat3 status;
	union {
		RMDIR3resok resok;
		RMDIR3resfail resfail;
	} RMDIR3res_u;
};
typedef struct RMDIR3res RMDIR3res;

struct RENAME3args {
	diropargs3 from;
	diropargs3 to;
};
typedef struct RENAME3args RENAME3args;

struct RENAME3resok {
	wcc_data fromdir_wcc;
	wcc_data todir_wcc;
};
typedef struct RENAME3resok RENAME3resok;

struct RENAME3resfail {
	wcc_data fromdir_wcc;
	wcc_data todir_wcc;
};
typedef struct RENAME3resfail RENAME3resfail;

struct RENAME3res {
	nfsstat3 status;
	union {
		RENAME3resok resok;
		RENAME3resfail resfail;
	} RENAME3res_u;
};
typedef struct RENAME3res RENAME3res;

struct LINK3args {
	nfs_fh3 file;
	diropargs3 link;
};
typedef struct LINK3args LINK3args;

struct LINK3resok {
	post_op_attr file_attributes;
	wcc_data linkdir_wcc;
};
typedef struct LINK3resok LINK3resok;

struct LINK3resfail {
	post_op_attr file_attributes;
	wcc_data linkdir_wcc;
};
typedef struct LINK3resfail LINK3resfail;

struct LINK3res {
	nfsstat3 status;
	union {
		LINK3resok resok;
		LINK3resfail resfail;
	} LINK3res_u;
};
typedef struct LINK3res LINK3res;

struct READDIR3args {
	nfs_fh3 dir;
	cookie3 cookie;
	cookieverf3 cookieverf;
	count3 count;
};
typedef struct READDIR3args READDIR3args;

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

struct dirlist3 {
	entry3 *entries;
	bool_t eof;
};
typedef struct dirlist3 dirlist3;

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

struct READDIR3resfail {
	post_op_attr dir_attributes;
};
typedef struct READDIR3resfail READDIR3resfail;

struct READDIR3res {
	nfsstat3 status;
	union {
		READDIR3resok resok;
		READDIR3resfail resfail;
	} READDIR3res_u;
};
typedef struct READDIR3res READDIR3res;

struct READDIRPLUS3args {
	nfs_fh3 dir;
	cookie3 cookie;
	cookieverf3 cookieverf;
	count3 dircount;
	count3 maxcount;
};
typedef struct READDIRPLUS3args READDIRPLUS3args;

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

struct dirlistplus3 {
	entryplus3 *entries;
	bool_t eof;
};
typedef struct dirlistplus3 dirlistplus3;

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

struct READDIRPLUS3resfail {
	post_op_attr dir_attributes;
};
typedef struct READDIRPLUS3resfail READDIRPLUS3resfail;

struct READDIRPLUS3res {
	nfsstat3 status;
	union {
		READDIRPLUS3resok resok;
		READDIRPLUS3resfail resfail;
	} READDIRPLUS3res_u;
};
typedef struct READDIRPLUS3res READDIRPLUS3res;

struct FSSTAT3args {
	nfs_fh3 fsroot;
};
typedef struct FSSTAT3args FSSTAT3args;

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

struct FSSTAT3resfail {
	post_op_attr obj_attributes;
};
typedef struct FSSTAT3resfail FSSTAT3resfail;

struct FSSTAT3res {
	nfsstat3 status;
	union {
		FSSTAT3resok resok;
		FSSTAT3resfail resfail;
	} FSSTAT3res_u;
};
typedef struct FSSTAT3res FSSTAT3res;
#define FSF3_LINK 0x0001
#define FSF3_SYMLINK 0x0002
#define FSF3_HOMOGENEOUS 0x0008
#define FSF3_CANSETTIME 0x0010

struct FSINFO3args {
	nfs_fh3 fsroot;
};
typedef struct FSINFO3args FSINFO3args;

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;
};
typedef struct FSINFO3resok FSINFO3resok;

struct FSINFO3resfail {
	post_op_attr obj_attributes;
};
typedef struct FSINFO3resfail FSINFO3resfail;

struct FSINFO3res {
	nfsstat3 status;
	union {
		FSINFO3resok resok;
		FSINFO3resfail resfail;
	} FSINFO3res_u;
};
typedef struct FSINFO3res FSINFO3res;

struct PATHCONF3args {
	nfs_fh3 object;
};
typedef struct PATHCONF3args PATHCONF3args;

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

struct PATHCONF3resfail {
	post_op_attr obj_attributes;
};
typedef struct PATHCONF3resfail PATHCONF3resfail;

struct PATHCONF3res {
	nfsstat3 status;
	union {
		PATHCONF3resok resok;
		PATHCONF3resfail resfail;
	} PATHCONF3res_u;
};
typedef struct PATHCONF3res PATHCONF3res;

struct COMMIT3args {
	nfs_fh3 file;
	offset3 offset;
	count3 count;
};
typedef struct COMMIT3args COMMIT3args;

struct COMMIT3resok {
	wcc_data file_wcc;
	writeverf3 verf;
};
typedef struct COMMIT3resok COMMIT3resok;

struct COMMIT3resfail {
	wcc_data file_wcc;
};
typedef struct COMMIT3resfail COMMIT3resfail;

struct COMMIT3res {
	nfsstat3 status;
	union {
		COMMIT3resok resok;
		COMMIT3resfail resfail;
	} COMMIT3res_u;
};
typedef struct COMMIT3res COMMIT3res;


#define NFS_PROGRAM 100003
#define NFS_V4 4
#define NFS_V3 3
#define NFS_V2 2

#define NFSPROC3_NULL 0
#define NFSPROC3_GETATTR 1
#define NFSPROC3_SETATTR 2
#define NFSPROC3_LOOKUP 3
#define NFSPROC3_ACCESS 4
#define NFSPROC3_READLINK 5
#define NFSPROC3_READ 6
#define NFSPROC3_WRITE 7
#define NFSPROC3_CREATE 8
#define NFSPROC3_MKDIR 9
#define NFSPROC3_SYMLINK 10
#define NFSPROC3_MKNOD 11
#define NFSPROC3_REMOVE 12
#define NFSPROC3_RMDIR 13
#define NFSPROC3_RENAME 14
#define NFSPROC3_LINK 15
#define NFSPROC3_READDIR 16
#define NFSPROC3_READDIRPLUS 17
#define NFSPROC3_FSSTAT 18
#define NFSPROC3_FSINFO 19
#define NFSPROC3_PATHCONF 20
#define NFSPROC3_COMMIT 21

typedef char *dirpath;

struct nfs_arg {
	union {
		GETATTR3args getattr;
		SETATTR3args setattr;
		LOOKUP3args lookup;
		ACCESS3args access;
		READLINK3args readlink;
		READ3args read;
		WRITE3args write;
		CREATE3args create;
		MKDIR3args mkdir;
		SYMLINK3args symlink;
		MKNOD3args mknod;
		REMOVE3args remove;
		RMDIR3args rmdir;
		RENAME3args rename;
		LINK3args link;
		READDIR3args readdir;
		READDIRPLUS3args readdirplus;
		FSSTAT3args fsstat;
		FSINFO3args fsinfo;
		PATHCONF3args pathconf;
		COMMIT3args commit;
		/* mount */
		dirpath mnt;
		dirpath umnt;
	};
};

extern void *nfs3_null(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_getattr(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_setattr(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_lookup(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_access(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_readlink(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_read(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_write(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_create(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_mkdir(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_symlink(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_mknod(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_remove(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_rmdir(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_rename(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_link(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_readdir(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_readdirplus(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_fsstat(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_fsinfo(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_pathconf(struct svc_req *req, struct nfs_arg *argp);
extern void *nfs3_commit(struct svc_req *req, struct nfs_arg *argp);

/* the xdr functions */

extern bool_t xdr_uint64(XDR *, uint64*);
extern bool_t xdr_int64(XDR *, int64*);
extern bool_t xdr_uint32(XDR *, uint32*);
extern bool_t xdr_int32(XDR *, int32*);
extern bool_t xdr_filename3(XDR *, filename3*);
extern bool_t xdr_nfspath3(XDR *, nfspath3*);
extern bool_t xdr_fileid3(XDR *, fileid3*);
extern bool_t xdr_cookie3(XDR *, cookie3*);
extern bool_t xdr_cookieverf3(XDR *, cookieverf3);
extern bool_t xdr_createverf3(XDR *, createverf3);
extern bool_t xdr_writeverf3(XDR *, writeverf3);
extern bool_t xdr_uid3(XDR *, uid3*);
extern bool_t xdr_gid3(XDR *, gid3*);
extern bool_t xdr_size3(XDR *, size3*);
extern bool_t xdr_offset3(XDR *, offset3*);
extern bool_t xdr_mode3(XDR *, mode3*);
extern bool_t xdr_count3(XDR *, count3*);
extern bool_t xdr_nfsstat3(XDR *, nfsstat3*);
extern bool_t xdr_ftype3(XDR *, ftype3*);
extern bool_t xdr_specdata3(XDR *, specdata3*);
extern bool_t xdr_nfs_fh3(XDR *, nfs_fh3*);
extern bool_t xdr_nfstime3(XDR *, nfstime3*);
extern bool_t xdr_fattr3(XDR *, fattr3*);
extern bool_t xdr_post_op_attr(XDR *, post_op_attr*);
extern bool_t xdr_wcc_attr(XDR *, wcc_attr*);
extern bool_t xdr_pre_op_attr(XDR *, pre_op_attr*);
extern bool_t xdr_wcc_data(XDR *, wcc_data*);
extern bool_t xdr_post_op_fh3(XDR *, post_op_fh3*);
extern bool_t xdr_time_how(XDR *, time_how*);
extern bool_t xdr_set_mode3(XDR *, set_mode3*);
extern bool_t xdr_set_uid3(XDR *, set_uid3*);
extern bool_t xdr_set_gid3(XDR *, set_gid3*);
extern bool_t xdr_set_size3(XDR *, set_size3*);
extern bool_t xdr_set_atime(XDR *, set_atime*);
extern bool_t xdr_set_mtime(XDR *, set_mtime*);
extern bool_t xdr_sattr3(XDR *, sattr3*);
extern bool_t xdr_diropargs3(XDR *, diropargs3*);
extern bool_t xdr_getattr_args(XDR *, GETATTR3args*);
extern bool_t xdr_getattr_resok(XDR *, GETATTR3resok*);
extern bool_t xdr_getattr_res(XDR *, GETATTR3res*);
extern bool_t xdr_sattrguard3(XDR *, sattrguard3*);
extern bool_t xdr_setattr_args(XDR *, SETATTR3args*);
extern bool_t xdr_setattr_resok(XDR *, SETATTR3resok*);
extern bool_t xdr_setattr_resfail(XDR *, SETATTR3resfail*);
extern bool_t xdr_setattr_res(XDR *, SETATTR3res*);
extern bool_t xdr_lookup_args(XDR *, LOOKUP3args*);
extern bool_t xdr_lookup_resok(XDR *, LOOKUP3resok*);
extern bool_t xdr_lookup_resfail(XDR *, LOOKUP3resfail*);
extern bool_t xdr_lookup_res(XDR *, LOOKUP3res*);
extern bool_t xdr_access_args(XDR *, ACCESS3args*);
extern bool_t xdr_access_resok(XDR *, ACCESS3resok*);
extern bool_t xdr_access_resfail(XDR *, ACCESS3resfail*);
extern bool_t xdr_access_res(XDR *, ACCESS3res*);
extern bool_t xdr_readlink_args(XDR *, READLINK3args*);
extern bool_t xdr_readlink_resok(XDR *, READLINK3resok*);
extern bool_t xdr_readlink_resfail(XDR *, READLINK3resfail*);
extern bool_t xdr_readlink_res(XDR *, READLINK3res*);
extern bool_t xdr_read_args(XDR *, READ3args*);
extern bool_t xdr_read_resok(XDR *, READ3resok*);
extern bool_t xdr_read_resfail(XDR *, READ3resfail*);
extern bool_t xdr_read_res(XDR *, READ3res*);
extern bool_t xdr_stable_how(XDR *, stable_how*);
extern bool_t xdr_write_args(XDR *, WRITE3args*);
extern bool_t xdr_write_resok(XDR *, WRITE3resok*);
extern bool_t xdr_write_resfail(XDR *, WRITE3resfail*);
extern bool_t xdr_write_res(XDR *, WRITE3res*);
extern bool_t xdr_createmode3(XDR *, createmode3*);
extern bool_t xdr_createhow3(XDR *, createhow3*);
extern bool_t xdr_create_args(XDR *, CREATE3args*);
extern bool_t xdr_create_resok(XDR *, CREATE3resok*);
extern bool_t xdr_create_resfail(XDR *, CREATE3resfail*);
extern bool_t xdr_create_res(XDR *, CREATE3res*);
extern bool_t xdr_mkdir_args(XDR *, MKDIR3args*);
extern bool_t xdr_mkdir_resok(XDR *, MKDIR3resok*);
extern bool_t xdr_mkdir_resfail(XDR *, MKDIR3resfail*);
extern bool_t xdr_mkdir_res(XDR *, MKDIR3res*);
extern bool_t xdr_symlinkdata3(XDR *, symlinkdata3*);
extern bool_t xdr_symlink_args(XDR *, SYMLINK3args*);
extern bool_t xdr_symlink_resok(XDR *, SYMLINK3resok*);
extern bool_t xdr_symlink_resfail(XDR *, SYMLINK3resfail*);
extern bool_t xdr_symlink_res(XDR *, SYMLINK3res*);
extern bool_t xdr_devicedata3(XDR *, devicedata3*);
extern bool_t xdr_mknoddata3(XDR *, mknoddata3*);
extern bool_t xdr_mknod_args(XDR *, MKNOD3args*);
extern bool_t xdr_mknod_resok(XDR *, MKNOD3resok*);
extern bool_t xdr_mknod_resfail(XDR *, MKNOD3resfail*);
extern bool_t xdr_mknod_res(XDR *, MKNOD3res*);
extern bool_t xdr_remove_args(XDR *, REMOVE3args*);
extern bool_t xdr_remove_resok(XDR *, REMOVE3resok*);
extern bool_t xdr_remove_resfail(XDR *, REMOVE3resfail*);
extern bool_t xdr_remove_res(XDR *, REMOVE3res*);
extern bool_t xdr_rmdir_args(XDR *, RMDIR3args*);
extern bool_t xdr_rmdir_resok(XDR *, RMDIR3resok*);
extern bool_t xdr_rmdir_resfail(XDR *, RMDIR3resfail*);
extern bool_t xdr_rmdir_res(XDR *, RMDIR3res*);
extern bool_t xdr_rename_args(XDR *, RENAME3args*);
extern bool_t xdr_rename_resok(XDR *, RENAME3resok*);
extern bool_t xdr_rename_resfail(XDR *, RENAME3resfail*);
extern bool_t xdr_rename_res(XDR *, RENAME3res*);
extern bool_t xdr_link_args(XDR *, LINK3args*);
extern bool_t xdr_link_resok(XDR *, LINK3resok*);
extern bool_t xdr_link_resfail(XDR *, LINK3resfail*);
extern bool_t xdr_link_res(XDR *, LINK3res*);
extern bool_t xdr_readdir_args(XDR *, READDIR3args*);
extern bool_t xdr_entry3(XDR *, entry3*);
extern bool_t xdr_dirlist3(XDR *, dirlist3*);
extern bool_t xdr_readdir_resok(XDR *, READDIR3resok*);
extern bool_t xdr_readdir_resfail(XDR *, READDIR3resfail*);
extern bool_t xdr_readdir_res(XDR *, READDIR3res*);
extern bool_t xdr_readdirplus_args(XDR *, READDIRPLUS3args*);
extern bool_t xdr_entryplus3(XDR *, entryplus3*);
extern bool_t xdr_dirlistplus3(XDR *, dirlistplus3*);
extern bool_t xdr_readdirplus_resok(XDR *, READDIRPLUS3resok*);
extern bool_t xdr_readdirplus_resfail(XDR *, READDIRPLUS3resfail*);
extern bool_t xdr_readdirplus_res(XDR *, READDIRPLUS3res*);
extern bool_t xdr_fsstat_args(XDR *, FSSTAT3args*);
extern bool_t xdr_fsstat_resok(XDR *, FSSTAT3resok*);
extern bool_t xdr_fsstat_resfail(XDR *, FSSTAT3resfail*);
extern bool_t xdr_fsstat_res(XDR *, FSSTAT3res*);
extern bool_t xdr_fsinfo_args(XDR *, FSINFO3args*);
extern bool_t xdr_fsinfo_resok(XDR *, FSINFO3resok*);
extern bool_t xdr_fsinfo_resfail(XDR *, FSINFO3resfail*);
extern bool_t xdr_fsinfo_res(XDR *, FSINFO3res*);
extern bool_t xdr_pathconf_args(XDR *, PATHCONF3args*);
extern bool_t xdr_pathconf_resok(XDR *, PATHCONF3resok*);
extern bool_t xdr_pathconf_resfail(XDR *, PATHCONF3resfail*);
extern bool_t xdr_pathconf_res(XDR *, PATHCONF3res*);
extern bool_t xdr_commit_args(XDR *, COMMIT3args*);
extern bool_t xdr_commit_resok(XDR *, COMMIT3resok*);
extern bool_t xdr_commit_resfail(XDR *, COMMIT3resfail*);
extern bool_t xdr_commit_res(XDR *, COMMIT3res*);
extern bool_t xdr_null_args(XDR *xdrs, void *);
extern bool_t xdr_null_res(XDR *xdrs, void *);

/* Mount Protocol */

#define MNTPATHLEN 1024
#define MNTNAMLEN 255
#define FHSIZE 32
#define FHSIZE3 64

typedef struct {
	u_int fhandle3_len;
	char *fhandle3_val;
} fhandle3;

enum mountstat3 {
	MNT3_OK = 0,
	MNT3ERR_PERM = 1,
	MNT3ERR_NOENT = 2,
	MNT3ERR_IO = 5,
	MNT3ERR_ACCES = 13,
	MNT3ERR_NOTDIR = 20,
	MNT3ERR_INVAL = 22,
	MNT3ERR_NAMETOOLONG = 63,
	MNT3ERR_NOTSUPP = 10004,
	MNT3ERR_SERVERFAULT = 10006,
};
typedef enum mountstat3 mountstat3;

struct mountres3_ok {
	fhandle3 fhandle;
	struct {
		u_int auth_flavors_len;
		int *auth_flavors_val;
	} auth_flavors;
};
typedef struct mountres3_ok mountres3_ok;

struct mountres3 {
	mountstat3 fhs_status;
	union {
		mountres3_ok mountinfo;
	} mountres3_u;
};
typedef struct mountres3 mountres3;

typedef struct mountbody *mountlist;

struct mountbody {
	char *ml_hostname;
	dirpath ml_directory;
	mountlist ml_next;
};
typedef struct mountbody mountbody;

typedef struct groupnode *groups;

struct groupnode {
	char *gr_name;
	groups gr_next;
};
typedef struct groupnode groupnode;

typedef struct exportnode *exports;

struct exportnode {
	dirpath ex_dir;
	groups ex_groups;
	exports ex_next;
};
typedef struct exportnode exportnode;

#define MOUNT_PROGRAM 100005
#define MOUNT_V3 3

extern void *mount3_null(struct svc_req *, struct nfs_arg *);
extern void *mount3_mnt(struct svc_req *, struct nfs_arg *);
extern void *mount3_dump(struct svc_req *, struct nfs_arg *);
extern void *mount3_umnt(struct svc_req *, struct nfs_arg *);
extern void *mount3_umntall(struct svc_req *, struct nfs_arg *);
extern void *mount3_export(struct svc_req *, struct nfs_arg *);

/* the xdr functions */

extern bool_t xdr_fhandle3(XDR *, fhandle3*);
extern bool_t xdr_mountstat3(XDR *, mountstat3*);
extern bool_t xdr_mountres3_ok(XDR *, mountres3_ok*);
extern bool_t xdr_mountres3(XDR *, mountres3*);
extern bool_t xdr_dirpath(XDR *, dirpath*);
extern bool_t xdr_name(XDR *, char **);
extern bool_t xdr_mountlist(XDR *, mountlist*);
extern bool_t xdr_mountbody(XDR *, mountbody*);
extern bool_t xdr_groups(XDR *, groups*);
extern bool_t xdr_groupnode(XDR *, groupnode*);
extern bool_t xdr_exports(XDR *, exports*);
extern bool_t xdr_exportnode(XDR *, exportnode*);

struct svc_fh {
	uint64_t ino;
};

uint64_t nfs_boot_time;

#include "fs.h"

#endif /* !_NFS_H */
