[unix-history] / usr / src / sys / nfs / nfsproto.h

/*
 * 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.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)nfsproto.h	8.2 (Berkeley) %G%
 */

#ifndef _NFS_NFSPROTO_H_
#define _NFS_NFSPROTO_H_


/*
 * nfs definitions as per the Version 2 and 3 specs
 */

/*
 * Constants as defined in the Sun NFS Version 2 and 3 specs.
 * "NFS: Network File System Protocol Specification" RFC1094
 * and in the "NFS: Network File System Version 3 Protocol
 * Specification"
 */

#define NFS_PORT	2049
#define	NFS_PROG	100003
#define NFS_VER2	2
#define	NFS_VER3	3
#define NFS_V2MAXDATA	8192
#define	NFS_MAXDGRAMDATA 16384
#define	NFS_MAXDATA	32768
#define	NFS_MAXPATHLEN	1024
#define	NFS_MAXNAMLEN	255
#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 (version 2 and 3) */
#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_XDEV		18	/* Version 3 only */
#define	NFSERR_NODEV		19
#define	NFSERR_NOTDIR		20
#define	NFSERR_ISDIR		21
#define	NFSERR_INVAL		22	/* Version 3 only */
#define	NFSERR_FBIG		27
#define	NFSERR_NOSPC		28
#define	NFSERR_ROFS		30
#define	NFSERR_MLINK		31	/* Version 3 only */
#define	NFSERR_NAMETOL		63
#define	NFSERR_NOTEMPTY		66
#define	NFSERR_DQUOT		69
#define	NFSERR_STALE		70
#define	NFSERR_REMOTE		71	/* Version 3 only */
#define	NFSERR_WFLUSH		99	/* Version 2 only */
#define	NFSERR_BADHANDLE	10001	/* The rest Version 3 only */
#define	NFSERR_NOT_SYNC		10002
#define	NFSERR_BAD_COOKIE	10003
#define	NFSERR_NOTSUPP		10004
#define	NFSERR_TOOSMALL		10005
#define	NFSERR_SERVERFAULT	10006
#define	NFSERR_BADTYPE		10007
#define	NFSERR_JUKEBOX		10008
#define NFSERR_TRYLATER		NFSERR_JUKEBOX
#define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */

#define NFSERR_RETVOID		0x20000000 /* Return void, not error */
#define NFSERR_AUTHERR		0x40000000 /* Mark an authentication error */
#define NFSERR_RETERR		0x80000000 /* Mark an error return for V3 */

/* Sizes in bytes of various nfs rpc components */
#define	NFSX_UNSIGNED	4

/* specific to NFS Version 2 */
#define	NFSX_V2FH	32
#define	NFSX_V2FATTR	68
#define	NFSX_V2SATTR	32
#define	NFSX_V2COOKIE	4
#define NFSX_V2STATFS	20

/* specific to NFS Version 3 */
#define NFSX_V3FH		(sizeof (fhandle_t)) /* size this server uses */
#define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
#define NFSX_V3FATTR		84
#define NFSX_V3SATTR		60	/* max. all fields filled in */
#define NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
#define NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
#define NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
#define NFSX_V3COOKIEVERF 	8
#define NFSX_V3WRITEVERF 	8
#define NFSX_V3CREATEVERF	8
#define NFSX_V3STATFS		52
#define NFSX_V3FSINFO		48
#define NFSX_V3PATHCONF		24

/* variants for both versions */
#define NFSX_FH(v3)		((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
					NFSX_V2FH)
#define NFSX_SRVFH(v3)		((v3) ? NFSX_V3FH : NFSX_V2FH)
#define	NFSX_FATTR(v3)		((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
#define NFSX_PREOPATTR(v3)	((v3) ? (7 * NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPORFATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
					NFSX_V2FATTR)
#define NFSX_WCCDATA(v3)	((v3) ? NFSX_V3WCCDATA : 0)
#define NFSX_WCCORFATTR(v3)	((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
#define	NFSX_SATTR(v3)		((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
#define	NFSX_COOKIEVERF(v3)	((v3) ? NFSX_V3COOKIEVERF : 0)
#define	NFSX_WRITEVERF(v3)	((v3) ? NFSX_V3WRITEVERF : 0)
#define NFSX_READDIR(v3)	((v3) ? (5 * NFSX_UNSIGNED) : \
					(2 * NFSX_UNSIGNED))
#define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)

/* nfs rpc procedure numbers (before version mapping) */
#define	NFSPROC_NULL		0
#define	NFSPROC_GETATTR		1
#define	NFSPROC_SETATTR		2
#define	NFSPROC_LOOKUP		3
#define	NFSPROC_ACCESS		4
#define	NFSPROC_READLINK	5
#define	NFSPROC_READ		6
#define	NFSPROC_WRITE		7
#define	NFSPROC_CREATE		8
#define	NFSPROC_MKDIR		9
#define	NFSPROC_SYMLINK		10
#define	NFSPROC_MKNOD		11
#define	NFSPROC_REMOVE		12
#define	NFSPROC_RMDIR		13
#define	NFSPROC_RENAME		14
#define	NFSPROC_LINK		15
#define	NFSPROC_READDIR		16
#define	NFSPROC_READDIRPLUS	17
#define	NFSPROC_FSSTAT		18
#define	NFSPROC_FSINFO		19
#define	NFSPROC_PATHCONF	20
#define	NFSPROC_COMMIT		21

/* And leasing (nqnfs) procedure numbers (must be last) */
#define	NQNFSPROC_GETLEASE	22
#define	NQNFSPROC_VACATED	23
#define	NQNFSPROC_EVICTED	24

#define NFSPROC_NOOP		25
#define	NFS_NPROCS		26

/* Actual Version 2 procedure numbers */
#define	NFSV2PROC_NULL		0
#define	NFSV2PROC_GETATTR	1
#define	NFSV2PROC_SETATTR	2
#define	NFSV2PROC_NOOP		3
#define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
#define	NFSV2PROC_LOOKUP	4
#define	NFSV2PROC_READLINK	5
#define	NFSV2PROC_READ		6
#define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
#define	NFSV2PROC_WRITE		8
#define	NFSV2PROC_CREATE	9
#define	NFSV2PROC_REMOVE	10
#define	NFSV2PROC_RENAME	11
#define	NFSV2PROC_LINK		12
#define	NFSV2PROC_SYMLINK	13
#define	NFSV2PROC_MKDIR		14
#define	NFSV2PROC_RMDIR		15
#define	NFSV2PROC_READDIR	16
#define	NFSV2PROC_STATFS	17

/*
 * Constants used by the Version 3 protocol for various RPCs
 */
#define NFSV3SATTRTIME_DONTCHANGE	0
#define NFSV3SATTRTIME_TOSERVER		1
#define NFSV3SATTRTIME_TOCLIENT		2

#define NFSV3ACCESS_READ		0x01
#define NFSV3ACCESS_LOOKUP		0x02
#define NFSV3ACCESS_MODIFY		0x04
#define NFSV3ACCESS_EXTEND		0x08
#define NFSV3ACCESS_DELETE		0x10
#define NFSV3ACCESS_EXECUTE		0x20

#define NFSV3WRITE_UNSTABLE		0
#define NFSV3WRITE_DATASYNC		1
#define NFSV3WRITE_FILESYNC		2

#define NFSV3CREATE_UNCHECKED		0
#define NFSV3CREATE_GUARDED		1
#define NFSV3CREATE_EXCLUSIVE		2

#define NFSV3FSINFO_LINK		0x01
#define NFSV3FSINFO_SYMLINK		0x02
#define NFSV3FSINFO_HOMOGENEOUS		0x08
#define NFSV3FSINFO_CANSETTIME		0x10

/* Conversion macros */
#define	vtonfsv2_mode(t,m) \
		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
				MAKEIMODE((t), (m)))
#define vtonfsv3_mode(m)	txdr_unsigned((m) & 07777)
#define	nfstov_mode(a)		(fxdr_unsigned(u_short, (a))&07777)
#define	vtonfsv2_type(a)	txdr_unsigned(nfsv2_type[((long)(a))])
#define	vtonfsv3_type(a)	txdr_unsigned(nfsv3_type[((long)(a))])
#define	nfsv2tov_type(a)	nv2tov_type[fxdr_unsigned(u_long,(a))&0x7]
#define	nfsv3tov_type(a)	nv3tov_type[fxdr_unsigned(u_long,(a))&0x7]

/* File types */
typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
	NFSOCK=6, NFFIFO=7 } nfstype;

/* Structs for common parts of the rpc's */
/*
 * File Handle (32 bytes for version 2), variable up to 64 for version 3.
 * File Handles of up to NFS_SMALLFH in size are stored directly in the
 * nfs node, whereas larger ones are malloc'd. (This never happens when
 * NFS_SMALLFH is set to 64.)
 * NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
 */
#ifndef NFS_SMALLFH
#define NFS_SMALLFH	64
#endif
union nfsfh {
	fhandle_t	fh_generic;
	u_char		fh_bytes[NFS_SMALLFH];
};
typedef union nfsfh nfsfh_t;

struct nfsv2_time {
	u_long	nfsv2_sec;
	u_long	nfsv2_usec;
};
typedef struct nfsv2_time	nfstime2;

struct nfsv3_time {
	u_long	nfsv3_sec;
	u_long	nfsv3_nsec;
};
typedef struct nfsv3_time	nfstime3;

/*
 * Quads are defined as arrays of 2 longs to ensure dense packing for the
 * protocol and to facilitate xdr conversion.
 */
struct nfs_uquad {
	u_long	nfsuquad[2];
};
typedef	struct nfs_uquad	nfsuint64;

/*
 * Used to convert between two u_longs and a u_quad_t.
 */
union nfs_quadconvert {
	u_long		lval[2];
	u_quad_t	qval;
};
typedef union nfs_quadconvert	nfsquad_t;

/*
 * NFS Version 3 special file number.
 */
struct nfsv3_spec {
	u_long	specdata1;
	u_long	specdata2;
};
typedef	struct nfsv3_spec	nfsv3spec;

/*
 * File attributes and setable attributes. These structures cover both
 * NFS version 2 and the version 3 protocol. Note that the union is only
 * used so 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 nfs_fattr), you must use the
 *     NFSX_FATTR(v3) macro.
 */
struct nfs_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		nfsv2fa_size;
			u_long		nfsv2fa_blocksize;
			u_long		nfsv2fa_rdev;
			u_long		nfsv2fa_blocks;
			u_long		nfsv2fa_fsid;
			u_long		nfsv2fa_fileid;
			nfstime2	nfsv2fa_atime;
			nfstime2	nfsv2fa_mtime;
			nfstime2	nfsv2fa_ctime;
		} fa_nfsv2;
		struct {
			nfsuint64	nfsv3fa_size;
			nfsuint64	nfsv3fa_used;
			nfsv3spec	nfsv3fa_rdev;
			nfsuint64	nfsv3fa_fsid;
			nfsuint64	nfsv3fa_fileid;
			nfstime3	nfsv3fa_atime;
			nfstime3	nfsv3fa_mtime;
			nfstime3	nfsv3fa_ctime;
		} fa_nfsv3;
	} fa_un;
};

/* and some ugly defines for accessing union components */
#define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
#define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
#define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
#define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
#define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
#define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
#define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
#define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
#define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
#define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
#define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
#define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
#define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
#define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
#define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
#define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
#define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime

struct nfsv2_sattr {
	u_long		sa_mode;
	u_long		sa_uid;
	u_long		sa_gid;
	u_long		sa_size;
	nfstime2	sa_atime;
	nfstime2	sa_mtime;
};

/*
 * NFS Version 3 sattr structure for the new node creation case.
 */
struct nfsv3_sattr {
	u_long		sa_modetrue;
	u_long		sa_mode;
	u_long		sa_uidtrue;
	u_long		sa_uid;
	u_long		sa_gidtrue;
	u_long		sa_gid;
	u_long		sa_sizefalse;
	u_long		sa_atimetype;
	nfstime3	sa_atime;
	u_long		sa_mtimetype;
	nfstime3	sa_mtime;
};

struct nfs_statfs {
	union {
		struct {
			u_long		nfsv2sf_tsize;
			u_long		nfsv2sf_bsize;
			u_long		nfsv2sf_blocks;
			u_long		nfsv2sf_bfree;
			u_long		nfsv2sf_bavail;
		} sf_nfsv2;
		struct {
			nfsuint64	nfsv3sf_tbytes;
			nfsuint64	nfsv3sf_fbytes;
			nfsuint64	nfsv3sf_abytes;
			nfsuint64	nfsv3sf_tfiles;
			nfsuint64	nfsv3sf_ffiles;
			nfsuint64	nfsv3sf_afiles;
			u_long		nfsv3sf_invarsec;
		} sf_nfsv3;
	} sf_un;
};

#define sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
#define sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
#define sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
#define sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
#define sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
#define sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
#define sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
#define sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
#define sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
#define sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
#define sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
#define sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec

struct nfsv3_fsinfo {
	u_long		fs_rtmax;
	u_long		fs_rtpref;
	u_long		fs_rtmult;
	u_long		fs_wtmax;
	u_long		fs_wtpref;
	u_long		fs_wtmult;
	u_long		fs_dtpref;
	nfsuint64	fs_maxfilesize;
	nfstime3	fs_timedelta;
	u_long		fs_properties;
};

struct nfsv3_pathconf {
	u_long		pc_linkmax;
	u_long		pc_namemax;
	u_long		pc_notrunc;
	u_long		pc_chownrestricted;
	u_long		pc_caseinsensitive;
	u_long		pc_casepreserving;
};

#endif
Commit	Line	Data
a2907882	1	/*
99315dca KB	2	* Copyright (c) 1989, 1993
99315dca KB	3	* The Regents of the University of California. All rights reserved.
a2907882 KM	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Rick Macklem at The University of Guelph.
	7	*
dbf0c423	8	* %sccs.include.redist.c%
a2907882	9	*
4acac3d6	10	* @(#)nfsproto.h 8.2 (Berkeley) %G%
a2907882 KM	11	*/
a2907882 KM	12
4acac3d6 KM	13	#ifndef _NFS_NFSPROTO_H_
	14	#define _NFS_NFSPROTO_H_
	15
	16
a2907882	17	/*
4acac3d6	18	* nfs definitions as per the Version 2 and 3 specs
a2907882 KM	19	*/
	20
	21	/*
4acac3d6	22	* Constants as defined in the Sun NFS Version 2 and 3 specs.
66435314	23	* "NFS: Network File System Protocol Specification" RFC1094
4acac3d6 KM	24	* and in the "NFS: Network File System Version 3 Protocol
4acac3d6 KM	25	* Specification"
a2907882 KM	26	*/
	27
	28	#define NFS_PORT 2049
	29	#define NFS_PROG 100003
	30	#define NFS_VER2 2
4acac3d6 KM	31	#define NFS_VER3 3
	32	#define NFS_V2MAXDATA 8192
	33	#define NFS_MAXDGRAMDATA 16384
170bfd05	34	#define NFS_MAXDATA 32768
a2907882 KM	35	#define NFS_MAXPATHLEN 1024
a2907882 KM	36	#define NFS_MAXNAMLEN 255
f0f1cbaa	37	#define NFS_MAXPKTHDR 404
4acac3d6	38	#define NFS_MAXPACKET (NFS_MAXPKTHDR + NFS_MAXDATA)
2c5b44a2	39	#define NFS_MINPACKET 20
d4e5799e	40	#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
a2907882	41
4acac3d6 KM	42	/* Stat numbers for rpc returns (version 2 and 3) */
	43	#define NFS_OK 0
	44	#define NFSERR_PERM 1
	45	#define NFSERR_NOENT 2
	46	#define NFSERR_IO 5
	47	#define NFSERR_NXIO 6
	48	#define NFSERR_ACCES 13
	49	#define NFSERR_EXIST 17
	50	#define NFSERR_XDEV 18 /* Version 3 only */
	51	#define NFSERR_NODEV 19
	52	#define NFSERR_NOTDIR 20
	53	#define NFSERR_ISDIR 21
	54	#define NFSERR_INVAL 22 /* Version 3 only */
	55	#define NFSERR_FBIG 27
	56	#define NFSERR_NOSPC 28
	57	#define NFSERR_ROFS 30
	58	#define NFSERR_MLINK 31 /* Version 3 only */
	59	#define NFSERR_NAMETOL 63
	60	#define NFSERR_NOTEMPTY 66
	61	#define NFSERR_DQUOT 69
	62	#define NFSERR_STALE 70
	63	#define NFSERR_REMOTE 71 /* Version 3 only */
	64	#define NFSERR_WFLUSH 99 /* Version 2 only */
	65	#define NFSERR_BADHANDLE 10001 /* The rest Version 3 only */
	66	#define NFSERR_NOT_SYNC 10002
	67	#define NFSERR_BAD_COOKIE 10003
	68	#define NFSERR_NOTSUPP 10004
	69	#define NFSERR_TOOSMALL 10005
	70	#define NFSERR_SERVERFAULT 10006
	71	#define NFSERR_BADTYPE 10007
	72	#define NFSERR_JUKEBOX 10008
	73	#define NFSERR_TRYLATER NFSERR_JUKEBOX
	74	#define NFSERR_STALEWRITEVERF 30001 /* Fake return for nfs_commit() */
	75
	76	#define NFSERR_RETVOID 0x20000000 /* Return void, not error */
	77	#define NFSERR_AUTHERR 0x40000000 /* Mark an authentication error */
	78	#define NFSERR_RETERR 0x80000000 /* Mark an error return for V3 */
a2907882 KM	79
a2907882 KM	80	/* Sizes in bytes of various nfs rpc components */
a2907882	81	#define NFSX_UNSIGNED 4
4acac3d6 KM	82
	83	/* specific to NFS Version 2 */
	84	#define NFSX_V2FH 32
	85	#define NFSX_V2FATTR 68
	86	#define NFSX_V2SATTR 32
	87	#define NFSX_V2COOKIE 4
	88	#define NFSX_V2STATFS 20
	89
	90	/* specific to NFS Version 3 */
	91	#define NFSX_V3FH (sizeof (fhandle_t)) /* size this server uses */
	92	#define NFSX_V3FHMAX 64 /* max. allowed by protocol */
	93	#define NFSX_V3FATTR 84
	94	#define NFSX_V3SATTR 60 /* max. all fields filled in */
	95	#define NFSX_V3SRVSATTR (sizeof (struct nfsv3_sattr))
	96	#define NFSX_V3POSTOPATTR (NFSX_V3FATTR + NFSX_UNSIGNED)
	97	#define NFSX_V3WCCDATA (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
	98	#define NFSX_V3COOKIEVERF 8
	99	#define NFSX_V3WRITEVERF 8
	100	#define NFSX_V3CREATEVERF 8
	101	#define NFSX_V3STATFS 52
	102	#define NFSX_V3FSINFO 48
	103	#define NFSX_V3PATHCONF 24
	104
	105	/* variants for both versions */
	106	#define NFSX_FH(v3) ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
	107	NFSX_V2FH)
	108	#define NFSX_SRVFH(v3) ((v3) ? NFSX_V3FH : NFSX_V2FH)
	109	#define NFSX_FATTR(v3) ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
	110	#define NFSX_PREOPATTR(v3) ((v3) ? (7 * NFSX_UNSIGNED) : 0)
	111	#define NFSX_POSTOPATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
	112	#define NFSX_POSTOPORFATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
	113	NFSX_V2FATTR)
	114	#define NFSX_WCCDATA(v3) ((v3) ? NFSX_V3WCCDATA : 0)
	115	#define NFSX_WCCORFATTR(v3) ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
	116	#define NFSX_SATTR(v3) ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
	117	#define NFSX_COOKIEVERF(v3) ((v3) ? NFSX_V3COOKIEVERF : 0)
	118	#define NFSX_WRITEVERF(v3) ((v3) ? NFSX_V3WRITEVERF : 0)
	119	#define NFSX_READDIR(v3) ((v3) ? (5 * NFSX_UNSIGNED) : \
	120	(2 * NFSX_UNSIGNED))
	121	#define NFSX_STATFS(v3) ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
	122
	123	/* nfs rpc procedure numbers (before version mapping) */
a2907882 KM	124	#define NFSPROC_NULL 0
	125	#define NFSPROC_GETATTR 1
	126	#define NFSPROC_SETATTR 2
4acac3d6 KM	127	#define NFSPROC_LOOKUP 3
4acac3d6 KM	128	#define NFSPROC_ACCESS 4
a2907882 KM	129	#define NFSPROC_READLINK 5
a2907882 KM	130	#define NFSPROC_READ 6
4acac3d6 KM	131	#define NFSPROC_WRITE 7
	132	#define NFSPROC_CREATE 8
	133	#define NFSPROC_MKDIR 9
	134	#define NFSPROC_SYMLINK 10
	135	#define NFSPROC_MKNOD 11
	136	#define NFSPROC_REMOVE 12
	137	#define NFSPROC_RMDIR 13
	138	#define NFSPROC_RENAME 14
	139	#define NFSPROC_LINK 15
a2907882	140	#define NFSPROC_READDIR 16
4acac3d6 KM	141	#define NFSPROC_READDIRPLUS 17
	142	#define NFSPROC_FSSTAT 18
	143	#define NFSPROC_FSINFO 19
	144	#define NFSPROC_PATHCONF 20
	145	#define NFSPROC_COMMIT 21
	146
	147	/* And leasing (nqnfs) procedure numbers (must be last) */
	148	#define NQNFSPROC_GETLEASE 22
	149	#define NQNFSPROC_VACATED 23
	150	#define NQNFSPROC_EVICTED 24
	151
	152	#define NFSPROC_NOOP 25
	153	#define NFS_NPROCS 26
a2907882	154
4acac3d6 KM	155	/* Actual Version 2 procedure numbers */
	156	#define NFSV2PROC_NULL 0
	157	#define NFSV2PROC_GETATTR 1
	158	#define NFSV2PROC_SETATTR 2
	159	#define NFSV2PROC_NOOP 3
	160	#define NFSV2PROC_ROOT NFSV2PROC_NOOP /* Obsolete */
	161	#define NFSV2PROC_LOOKUP 4
	162	#define NFSV2PROC_READLINK 5
	163	#define NFSV2PROC_READ 6
	164	#define NFSV2PROC_WRITECACHE NFSV2PROC_NOOP /* Obsolete */
	165	#define NFSV2PROC_WRITE 8
	166	#define NFSV2PROC_CREATE 9
	167	#define NFSV2PROC_REMOVE 10
	168	#define NFSV2PROC_RENAME 11
	169	#define NFSV2PROC_LINK 12
	170	#define NFSV2PROC_SYMLINK 13
	171	#define NFSV2PROC_MKDIR 14
	172	#define NFSV2PROC_RMDIR 15
	173	#define NFSV2PROC_READDIR 16
	174	#define NFSV2PROC_STATFS 17
	175
	176	/*
	177	* Constants used by the Version 3 protocol for various RPCs
	178	*/
	179	#define NFSV3SATTRTIME_DONTCHANGE 0
	180	#define NFSV3SATTRTIME_TOSERVER 1
	181	#define NFSV3SATTRTIME_TOCLIENT 2
	182
	183	#define NFSV3ACCESS_READ 0x01
	184	#define NFSV3ACCESS_LOOKUP 0x02
	185	#define NFSV3ACCESS_MODIFY 0x04
	186	#define NFSV3ACCESS_EXTEND 0x08
	187	#define NFSV3ACCESS_DELETE 0x10
	188	#define NFSV3ACCESS_EXECUTE 0x20
	189
	190	#define NFSV3WRITE_UNSTABLE 0
	191	#define NFSV3WRITE_DATASYNC 1
	192	#define NFSV3WRITE_FILESYNC 2
	193
	194	#define NFSV3CREATE_UNCHECKED 0
	195	#define NFSV3CREATE_GUARDED 1
	196	#define NFSV3CREATE_EXCLUSIVE 2
	197
	198	#define NFSV3FSINFO_LINK 0x01
	199	#define NFSV3FSINFO_SYMLINK 0x02
	200	#define NFSV3FSINFO_HOMOGENEOUS 0x08
	201	#define NFSV3FSINFO_CANSETTIME 0x10
2c5b44a2	202
a2907882	203	/* Conversion macros */
4acac3d6	204	#define vtonfsv2_mode(t,m) \
d4e5799e KM	205	txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
d4e5799e KM	206	MAKEIMODE((t), (m)))
4acac3d6 KM	207	#define vtonfsv3_mode(m) txdr_unsigned((m) & 07777)
	208	#define nfstov_mode(a) (fxdr_unsigned(u_short, (a))&07777)
	209	#define vtonfsv2_type(a) txdr_unsigned(nfsv2_type[((long)(a))])
	210	#define vtonfsv3_type(a) txdr_unsigned(nfsv3_type[((long)(a))])
	211	#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_long,(a))&0x7]
	212	#define nfsv3tov_type(a) nv3tov_type[fxdr_unsigned(u_long,(a))&0x7]
a2907882 KM	213
a2907882 KM	214	/* File types */
4acac3d6 KM	215	typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
4acac3d6 KM	216	NFSOCK=6, NFFIFO=7 } nfstype;
9238aa59 RM	217
9238aa59 RM	218	/* Structs for common parts of the rpc's */
4acac3d6 KM	219	/*
	220	* File Handle (32 bytes for version 2), variable up to 64 for version 3.
	221	* File Handles of up to NFS_SMALLFH in size are stored directly in the
	222	* nfs node, whereas larger ones are malloc'd. (This never happens when
	223	* NFS_SMALLFH is set to 64.)
	224	* NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
	225	*/
	226	#ifndef NFS_SMALLFH
	227	#define NFS_SMALLFH 64
	228	#endif
	229	union nfsfh {
	230	fhandle_t fh_generic;
	231	u_char fh_bytes[NFS_SMALLFH];
	232	};
	233	typedef union nfsfh nfsfh_t;
	234
9238aa59	235	struct nfsv2_time {
4acac3d6 KM	236	u_long nfsv2_sec;
	237	u_long nfsv2_usec;
	238	};
	239	typedef struct nfsv2_time nfstime2;
	240
	241	struct nfsv3_time {
	242	u_long nfsv3_sec;
	243	u_long nfsv3_nsec;
	244	};
	245	typedef struct nfsv3_time nfstime3;
	246
	247	/*
	248	* Quads are defined as arrays of 2 longs to ensure dense packing for the
	249	* protocol and to facilitate xdr conversion.
	250	*/
	251	struct nfs_uquad {
	252	u_long nfsuquad[2];
9238aa59	253	};
4acac3d6	254	typedef struct nfs_uquad nfsuint64;
9238aa59	255
4acac3d6 KM	256	/*
	257	* Used to convert between two u_longs and a u_quad_t.
	258	*/
	259	union nfs_quadconvert {
	260	u_long lval[2];
	261	u_quad_t qval;
	262	};
	263	typedef union nfs_quadconvert nfsquad_t;
	264
	265	/*
	266	* NFS Version 3 special file number.
	267	*/
	268	struct nfsv3_spec {
	269	u_long specdata1;
	270	u_long specdata2;
41f343df	271	};
4acac3d6	272	typedef struct nfsv3_spec nfsv3spec;
41f343df KM	273
	274	/*
	275	* File attributes and setable attributes. These structures cover both
4acac3d6 KM	276	* NFS version 2 and the version 3 protocol. Note that the union is only
4acac3d6 KM	277	* used so that one pointer can refer to both variants. These structures
41f343df KM	278	* go out on the wire and must be densely packed, so no quad data types
41f343df KM	279	* are used. (all fields are longs or u_longs or structures of same)
4acac3d6 KM	280	* NB: You can't do sizeof(struct nfs_fattr), you must use the
4acac3d6 KM	281	* NFSX_FATTR(v3) macro.
41f343df	282	*/
4acac3d6	283	struct nfs_fattr {
9238aa59 RM	284	u_long fa_type;
	285	u_long fa_mode;
	286	u_long fa_nlink;
	287	u_long fa_uid;
	288	u_long fa_gid;
41f343df KM	289	union {
41f343df KM	290	struct {
4acac3d6 KM	291	u_long nfsv2fa_size;
	292	u_long nfsv2fa_blocksize;
	293	u_long nfsv2fa_rdev;
	294	u_long nfsv2fa_blocks;
	295	u_long nfsv2fa_fsid;
	296	u_long nfsv2fa_fileid;
	297	nfstime2 nfsv2fa_atime;
	298	nfstime2 nfsv2fa_mtime;
	299	nfstime2 nfsv2fa_ctime;
41f343df KM	300	} fa_nfsv2;
41f343df KM	301	struct {
4acac3d6 KM	302	nfsuint64 nfsv3fa_size;
	303	nfsuint64 nfsv3fa_used;
	304	nfsv3spec nfsv3fa_rdev;
	305	nfsuint64 nfsv3fa_fsid;
	306	nfsuint64 nfsv3fa_fileid;
	307	nfstime3 nfsv3fa_atime;
	308	nfstime3 nfsv3fa_mtime;
	309	nfstime3 nfsv3fa_ctime;
	310	} fa_nfsv3;
41f343df	311	} fa_un;
9238aa59 RM	312	};
9238aa59 RM	313
41f343df	314	/* and some ugly defines for accessing union components */
4acac3d6 KM	315	#define fa2_size fa_un.fa_nfsv2.nfsv2fa_size
	316	#define fa2_blocksize fa_un.fa_nfsv2.nfsv2fa_blocksize
	317	#define fa2_rdev fa_un.fa_nfsv2.nfsv2fa_rdev
	318	#define fa2_blocks fa_un.fa_nfsv2.nfsv2fa_blocks
	319	#define fa2_fsid fa_un.fa_nfsv2.nfsv2fa_fsid
	320	#define fa2_fileid fa_un.fa_nfsv2.nfsv2fa_fileid
	321	#define fa2_atime fa_un.fa_nfsv2.nfsv2fa_atime
	322	#define fa2_mtime fa_un.fa_nfsv2.nfsv2fa_mtime
	323	#define fa2_ctime fa_un.fa_nfsv2.nfsv2fa_ctime
	324	#define fa3_size fa_un.fa_nfsv3.nfsv3fa_size
	325	#define fa3_used fa_un.fa_nfsv3.nfsv3fa_used
	326	#define fa3_rdev fa_un.fa_nfsv3.nfsv3fa_rdev
	327	#define fa3_fsid fa_un.fa_nfsv3.nfsv3fa_fsid
	328	#define fa3_fileid fa_un.fa_nfsv3.nfsv3fa_fileid
	329	#define fa3_atime fa_un.fa_nfsv3.nfsv3fa_atime
	330	#define fa3_mtime fa_un.fa_nfsv3.nfsv3fa_mtime
	331	#define fa3_ctime fa_un.fa_nfsv3.nfsv3fa_ctime
41f343df	332
9238aa59	333	struct nfsv2_sattr {
4acac3d6 KM	334	u_long sa_mode;
	335	u_long sa_uid;
	336	u_long sa_gid;
	337	u_long sa_size;
	338	nfstime2 sa_atime;
	339	nfstime2 sa_mtime;
	340	};
	341
	342	/*
	343	* NFS Version 3 sattr structure for the new node creation case.
	344	*/
	345	struct nfsv3_sattr {
	346	u_long sa_modetrue;
	347	u_long sa_mode;
	348	u_long sa_uidtrue;
	349	u_long sa_uid;
	350	u_long sa_gidtrue;
	351	u_long sa_gid;
	352	u_long sa_sizefalse;
	353	u_long sa_atimetype;
	354	nfstime3 sa_atime;
	355	u_long sa_mtimetype;
	356	nfstime3 sa_mtime;
	357	};
	358
	359	struct nfs_statfs {
41f343df KM	360	union {
41f343df KM	361	struct {
4acac3d6 KM	362	u_long nfsv2sf_tsize;
	363	u_long nfsv2sf_bsize;
	364	u_long nfsv2sf_blocks;
	365	u_long nfsv2sf_bfree;
	366	u_long nfsv2sf_bavail;
	367	} sf_nfsv2;
41f343df	368	struct {
4acac3d6 KM	369	nfsuint64 nfsv3sf_tbytes;
	370	nfsuint64 nfsv3sf_fbytes;
	371	nfsuint64 nfsv3sf_abytes;
	372	nfsuint64 nfsv3sf_tfiles;
	373	nfsuint64 nfsv3sf_ffiles;
	374	nfsuint64 nfsv3sf_afiles;
	375	u_long nfsv3sf_invarsec;
	376	} sf_nfsv3;
	377	} sf_un;
9238aa59 RM	378	};
9238aa59 RM	379
4acac3d6 KM	380	#define sf_tsize sf_un.sf_nfsv2.nfsv2sf_tsize
	381	#define sf_bsize sf_un.sf_nfsv2.nfsv2sf_bsize
	382	#define sf_blocks sf_un.sf_nfsv2.nfsv2sf_blocks
	383	#define sf_bfree sf_un.sf_nfsv2.nfsv2sf_bfree
	384	#define sf_bavail sf_un.sf_nfsv2.nfsv2sf_bavail
	385	#define sf_tbytes sf_un.sf_nfsv3.nfsv3sf_tbytes
	386	#define sf_fbytes sf_un.sf_nfsv3.nfsv3sf_fbytes
	387	#define sf_abytes sf_un.sf_nfsv3.nfsv3sf_abytes
	388	#define sf_tfiles sf_un.sf_nfsv3.nfsv3sf_tfiles
	389	#define sf_ffiles sf_un.sf_nfsv3.nfsv3sf_ffiles
	390	#define sf_afiles sf_un.sf_nfsv3.nfsv3sf_afiles
	391	#define sf_invarsec sf_un.sf_nfsv3.nfsv3sf_invarsec
	392
	393	struct nfsv3_fsinfo {
	394	u_long fs_rtmax;
	395	u_long fs_rtpref;
	396	u_long fs_rtmult;
	397	u_long fs_wtmax;
	398	u_long fs_wtpref;
	399	u_long fs_wtmult;
	400	u_long fs_dtpref;
	401	nfsuint64 fs_maxfilesize;
	402	nfstime3 fs_timedelta;
	403	u_long fs_properties;
9238aa59	404	};
4acac3d6 KM	405
	406	struct nfsv3_pathconf {
	407	u_long pc_linkmax;
	408	u_long pc_namemax;
	409	u_long pc_notrunc;
	410	u_long pc_chownrestricted;
	411	u_long pc_caseinsensitive;
	412	u_long pc_casepreserving;
	413	};
	414
	415	#endif