[linux-2.6-block.git] / fs / nfsd / xdr3.h

/*
 * XDR types for NFSv3 in nfsd.
 *
 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
 */

#ifndef _LINUX_NFSD_XDR3_H
#define _LINUX_NFSD_XDR3_H

#include "xdr.h"

struct nfsd3_sattrargs {
	struct svc_fh		fh;
	struct iattr		attrs;
	int			check_guard;
	time_t			guardtime;
};

struct nfsd3_diropargs {
	struct svc_fh		fh;
	char *			name;
	unsigned int		len;
};

struct nfsd3_accessargs {
	struct svc_fh		fh;
	unsigned int		access;
};

struct nfsd3_readargs {
	struct svc_fh		fh;
	__u64			offset;
	__u32			count;
	int			vlen;
};

struct nfsd3_writeargs {
	svc_fh			fh;
	__u64			offset;
	__u32			count;
	int			stable;
	__u32			len;
	int			vlen;
};

struct nfsd3_createargs {
	struct svc_fh		fh;
	char *			name;
	unsigned int		len;
	int			createmode;
	struct iattr		attrs;
	__be32 *		verf;
};

struct nfsd3_mknodargs {
	struct svc_fh		fh;
	char *			name;
	unsigned int		len;
	__u32			ftype;
	__u32			major, minor;
	struct iattr		attrs;
};

struct nfsd3_renameargs {
	struct svc_fh		ffh;
	char *			fname;
	unsigned int		flen;
	struct svc_fh		tfh;
	char *			tname;
	unsigned int		tlen;
};

struct nfsd3_readlinkargs {
	struct svc_fh		fh;
	char *			buffer;
};

struct nfsd3_linkargs {
	struct svc_fh		ffh;
	struct svc_fh		tfh;
	char *			tname;
	unsigned int		tlen;
};

struct nfsd3_symlinkargs {
	struct svc_fh		ffh;
	char *			fname;
	unsigned int		flen;
	char *			tname;
	unsigned int		tlen;
	struct iattr		attrs;
};

struct nfsd3_readdirargs {
	struct svc_fh		fh;
	__u64			cookie;
	__u32			dircount;
	__u32			count;
	__be32 *		verf;
	__be32 *		buffer;
};

struct nfsd3_commitargs {
	struct svc_fh		fh;
	__u64			offset;
	__u32			count;
};

struct nfsd3_getaclargs {
	struct svc_fh		fh;
	int			mask;
};

struct posix_acl;
struct nfsd3_setaclargs {
	struct svc_fh		fh;
	int			mask;
	struct posix_acl	*acl_access;
	struct posix_acl	*acl_default;
};

struct nfsd3_attrstat {
	__be32			status;
	struct svc_fh		fh;
	struct kstat            stat;
};

/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
struct nfsd3_diropres  {
	__be32			status;
	struct svc_fh		dirfh;
	struct svc_fh		fh;
};

struct nfsd3_accessres {
	__be32			status;
	struct svc_fh		fh;
	__u32			access;
	struct kstat		stat;
};

struct nfsd3_readlinkres {
	__be32			status;
	struct svc_fh		fh;
	__u32			len;
};

struct nfsd3_readres {
	__be32			status;
	struct svc_fh		fh;
	unsigned long		count;
	int			eof;
};

struct nfsd3_writeres {
	__be32			status;
	struct svc_fh		fh;
	unsigned long		count;
	int			committed;
};

struct nfsd3_renameres {
	__be32			status;
	struct svc_fh		ffh;
	struct svc_fh		tfh;
};

struct nfsd3_linkres {
	__be32			status;
	struct svc_fh		tfh;
	struct svc_fh		fh;
};

struct nfsd3_readdirres {
	__be32			status;
	struct svc_fh		fh;
	/* Just to save kmalloc on every readdirplus entry (svc_fh is a
	 * little large for the stack): */
	struct svc_fh		scratch;
	int			count;
	__be32			verf[2];

	struct readdir_cd	common;
	__be32 *		buffer;
	int			buflen;
	__be32 *		offset;
	__be32 *		offset1;
	struct svc_rqst *	rqstp;

};

struct nfsd3_fsstatres {
	__be32			status;
	struct kstatfs		stats;
	__u32			invarsec;
};

struct nfsd3_fsinfores {
	__be32			status;
	__u32			f_rtmax;
	__u32			f_rtpref;
	__u32			f_rtmult;
	__u32			f_wtmax;
	__u32			f_wtpref;
	__u32			f_wtmult;
	__u32			f_dtpref;
	__u64			f_maxfilesize;
	__u32			f_properties;
};

struct nfsd3_pathconfres {
	__be32			status;
	__u32			p_link_max;
	__u32			p_name_max;
	__u32			p_no_trunc;
	__u32			p_chown_restricted;
	__u32			p_case_insensitive;
	__u32			p_case_preserving;
};

struct nfsd3_commitres {
	__be32			status;
	struct svc_fh		fh;
};

struct nfsd3_getaclres {
	__be32			status;
	struct svc_fh		fh;
	int			mask;
	struct posix_acl	*acl_access;
	struct posix_acl	*acl_default;
	struct kstat		stat;
};

/* dummy type for release */
struct nfsd3_fhandle_pair {
	__u32			dummy;
	struct svc_fh		fh1;
	struct svc_fh		fh2;
};

/*
 * Storage requirements for XDR arguments and results.
 */
union nfsd3_xdrstore {
	struct nfsd3_sattrargs		sattrargs;
	struct nfsd3_diropargs		diropargs;
	struct nfsd3_readargs		readargs;
	struct nfsd3_writeargs		writeargs;
	struct nfsd3_createargs		createargs;
	struct nfsd3_renameargs		renameargs;
	struct nfsd3_linkargs		linkargs;
	struct nfsd3_symlinkargs	symlinkargs;
	struct nfsd3_readdirargs	readdirargs;
	struct nfsd3_diropres 		diropres;
	struct nfsd3_accessres		accessres;
	struct nfsd3_readlinkres	readlinkres;
	struct nfsd3_readres		readres;
	struct nfsd3_writeres		writeres;
	struct nfsd3_renameres		renameres;
	struct nfsd3_linkres		linkres;
	struct nfsd3_readdirres		readdirres;
	struct nfsd3_fsstatres		fsstatres;
	struct nfsd3_fsinfores		fsinfores;
	struct nfsd3_pathconfres	pathconfres;
	struct nfsd3_commitres		commitres;
	struct nfsd3_getaclres		getaclres;
};

#define NFS3_SVC_XDRSIZE		sizeof(union nfsd3_xdrstore)

int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *);
int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *);
int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *);
int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *);
int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *);
int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_readres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_createres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *);
int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *);
int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *);

void nfs3svc_release_fhandle(struct svc_rqst *);
void nfs3svc_release_fhandle2(struct svc_rqst *);
int nfs3svc_encode_entry(void *, const char *name,
				int namlen, loff_t offset, u64 ino,
				unsigned int);
int nfs3svc_encode_entry_plus(void *, const char *name,
				int namlen, loff_t offset, u64 ino,
				unsigned int);
/* Helper functions for NFSv3 ACL code */
__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
				struct svc_fh *fhp);
__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);


#endif /* _LINUX_NFSD_XDR3_H */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* XDR types for NFSv3 in nfsd.
	3	*
	4	* Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
	5	*/
	6
	7	#ifndef _LINUX_NFSD_XDR3_H
	8	#define _LINUX_NFSD_XDR3_H
	9
9a74af21	10	#include "xdr.h"
1da177e4 LT	11
	12	struct nfsd3_sattrargs {
	13	struct svc_fh fh;
	14	struct iattr attrs;
	15	int check_guard;
	16	time_t guardtime;
	17	};
	18
	19	struct nfsd3_diropargs {
	20	struct svc_fh fh;
	21	char * name;
29d5e555	22	unsigned int len;
1da177e4 LT	23	};
	24
	25	struct nfsd3_accessargs {
	26	struct svc_fh fh;
	27	unsigned int access;
	28	};
	29
	30	struct nfsd3_readargs {
	31	struct svc_fh fh;
	32	__u64 offset;
	33	__u32 count;
1da177e4 LT	34	int vlen;
	35	};
	36
	37	struct nfsd3_writeargs {
	38	svc_fh fh;
	39	__u64 offset;
	40	__u32 count;
	41	int stable;
0ba7536d	42	__u32 len;
1da177e4 LT	43	int vlen;
	44	};
	45
	46	struct nfsd3_createargs {
	47	struct svc_fh fh;
	48	char * name;
29d5e555	49	unsigned int len;
1da177e4 LT	50	int createmode;
1da177e4 LT	51	struct iattr attrs;
91f07168	52	__be32 * verf;
1da177e4 LT	53	};
	54
	55	struct nfsd3_mknodargs {
	56	struct svc_fh fh;
	57	char * name;
29d5e555	58	unsigned int len;
1da177e4 LT	59	__u32 ftype;
	60	__u32 major, minor;
	61	struct iattr attrs;
	62	};
	63
	64	struct nfsd3_renameargs {
	65	struct svc_fh ffh;
	66	char * fname;
29d5e555	67	unsigned int flen;
1da177e4 LT	68	struct svc_fh tfh;
1da177e4 LT	69	char * tname;
29d5e555	70	unsigned int tlen;
1da177e4 LT	71	};
	72
	73	struct nfsd3_readlinkargs {
	74	struct svc_fh fh;
	75	char * buffer;
	76	};
	77
	78	struct nfsd3_linkargs {
	79	struct svc_fh ffh;
	80	struct svc_fh tfh;
	81	char * tname;
29d5e555	82	unsigned int tlen;
1da177e4 LT	83	};
	84
	85	struct nfsd3_symlinkargs {
	86	struct svc_fh ffh;
	87	char * fname;
29d5e555	88	unsigned int flen;
1da177e4	89	char * tname;
48b4ba3f	90	unsigned int tlen;
1da177e4 LT	91	struct iattr attrs;
	92	};
	93
	94	struct nfsd3_readdirargs {
	95	struct svc_fh fh;
	96	__u64 cookie;
	97	__u32 dircount;
	98	__u32 count;
91f07168 AV	99	__be32 * verf;
91f07168 AV	100	__be32 * buffer;
1da177e4 LT	101	};
	102
	103	struct nfsd3_commitargs {
	104	struct svc_fh fh;
	105	__u64 offset;
	106	__u32 count;
	107	};
	108
a257cdd0 AG	109	struct nfsd3_getaclargs {
	110	struct svc_fh fh;
	111	int mask;
	112	};
	113
	114	struct posix_acl;
	115	struct nfsd3_setaclargs {
	116	struct svc_fh fh;
	117	int mask;
	118	struct posix_acl *acl_access;
	119	struct posix_acl *acl_default;
	120	};
	121
1da177e4	122	struct nfsd3_attrstat {
91f07168	123	__be32 status;
1da177e4	124	struct svc_fh fh;
a334de28	125	struct kstat stat;
1da177e4 LT	126	};
	127
	128	/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
	129	struct nfsd3_diropres {
91f07168	130	__be32 status;
1da177e4 LT	131	struct svc_fh dirfh;
	132	struct svc_fh fh;
	133	};
	134
	135	struct nfsd3_accessres {
91f07168	136	__be32 status;
1da177e4 LT	137	struct svc_fh fh;
1da177e4 LT	138	__u32 access;
4f4a4fad	139	struct kstat stat;
1da177e4 LT	140	};
	141
	142	struct nfsd3_readlinkres {
91f07168	143	__be32 status;
1da177e4 LT	144	struct svc_fh fh;
	145	__u32 len;
	146	};
	147
	148	struct nfsd3_readres {
91f07168	149	__be32 status;
1da177e4 LT	150	struct svc_fh fh;
	151	unsigned long count;
	152	int eof;
	153	};
	154
	155	struct nfsd3_writeres {
91f07168	156	__be32 status;
1da177e4 LT	157	struct svc_fh fh;
	158	unsigned long count;
	159	int committed;
	160	};
	161
	162	struct nfsd3_renameres {
91f07168	163	__be32 status;
1da177e4 LT	164	struct svc_fh ffh;
	165	struct svc_fh tfh;
	166	};
	167
	168	struct nfsd3_linkres {
91f07168	169	__be32 status;
1da177e4 LT	170	struct svc_fh tfh;
	171	struct svc_fh fh;
	172	};
	173
	174	struct nfsd3_readdirres {
91f07168	175	__be32 status;
1da177e4	176	struct svc_fh fh;
068c34c0 BF	177	/* Just to save kmalloc on every readdirplus entry (svc_fh is a
	178	* little large for the stack): */
	179	struct svc_fh scratch;
1da177e4	180	int count;
91f07168	181	__be32 verf[2];
1da177e4 LT	182
1da177e4 LT	183	struct readdir_cd common;
91f07168	184	__be32 * buffer;
1da177e4	185	int buflen;
91f07168 AV	186	__be32 * offset;
91f07168 AV	187	__be32 * offset1;
1da177e4 LT	188	struct svc_rqst * rqstp;
	189
	190	};
	191
	192	struct nfsd3_fsstatres {
91f07168	193	__be32 status;
1da177e4 LT	194	struct kstatfs stats;
	195	__u32 invarsec;
	196	};
	197
	198	struct nfsd3_fsinfores {
91f07168	199	__be32 status;
1da177e4 LT	200	__u32 f_rtmax;
	201	__u32 f_rtpref;
	202	__u32 f_rtmult;
	203	__u32 f_wtmax;
	204	__u32 f_wtpref;
	205	__u32 f_wtmult;
	206	__u32 f_dtpref;
	207	__u64 f_maxfilesize;
	208	__u32 f_properties;
	209	};
	210
	211	struct nfsd3_pathconfres {
91f07168	212	__be32 status;
1da177e4 LT	213	__u32 p_link_max;
	214	__u32 p_name_max;
	215	__u32 p_no_trunc;
	216	__u32 p_chown_restricted;
	217	__u32 p_case_insensitive;
	218	__u32 p_case_preserving;
	219	};
	220
	221	struct nfsd3_commitres {
91f07168	222	__be32 status;
1da177e4 LT	223	struct svc_fh fh;
	224	};
	225
a257cdd0	226	struct nfsd3_getaclres {
91f07168	227	__be32 status;
a257cdd0 AG	228	struct svc_fh fh;
	229	int mask;
	230	struct posix_acl *acl_access;
	231	struct posix_acl *acl_default;
4f4a4fad	232	struct kstat stat;
a257cdd0 AG	233	};
a257cdd0 AG	234
1da177e4 LT	235	/* dummy type for release */
	236	struct nfsd3_fhandle_pair {
	237	__u32 dummy;
	238	struct svc_fh fh1;
	239	struct svc_fh fh2;
	240	};
	241
	242	/*
	243	* Storage requirements for XDR arguments and results.
	244	*/
	245	union nfsd3_xdrstore {
	246	struct nfsd3_sattrargs sattrargs;
	247	struct nfsd3_diropargs diropargs;
	248	struct nfsd3_readargs readargs;
	249	struct nfsd3_writeargs writeargs;
	250	struct nfsd3_createargs createargs;
	251	struct nfsd3_renameargs renameargs;
	252	struct nfsd3_linkargs linkargs;
	253	struct nfsd3_symlinkargs symlinkargs;
	254	struct nfsd3_readdirargs readdirargs;
	255	struct nfsd3_diropres diropres;
	256	struct nfsd3_accessres accessres;
	257	struct nfsd3_readlinkres readlinkres;
	258	struct nfsd3_readres readres;
	259	struct nfsd3_writeres writeres;
	260	struct nfsd3_renameres renameres;
	261	struct nfsd3_linkres linkres;
	262	struct nfsd3_readdirres readdirres;
	263	struct nfsd3_fsstatres fsstatres;
	264	struct nfsd3_fsinfores fsinfores;
	265	struct nfsd3_pathconfres pathconfres;
	266	struct nfsd3_commitres commitres;
a257cdd0	267	struct nfsd3_getaclres getaclres;
1da177e4 LT	268	};
	269
	270	#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
	271
026fec7e CH	272	int nfs3svc_decode_fhandle(struct svc_rqst , __be32 );
	273	int nfs3svc_decode_sattrargs(struct svc_rqst , __be32 );
	274	int nfs3svc_decode_diropargs(struct svc_rqst , __be32 );
	275	int nfs3svc_decode_accessargs(struct svc_rqst , __be32 );
	276	int nfs3svc_decode_readargs(struct svc_rqst , __be32 );
	277	int nfs3svc_decode_writeargs(struct svc_rqst , __be32 );
	278	int nfs3svc_decode_createargs(struct svc_rqst , __be32 );
	279	int nfs3svc_decode_mkdirargs(struct svc_rqst , __be32 );
	280	int nfs3svc_decode_mknodargs(struct svc_rqst , __be32 );
	281	int nfs3svc_decode_renameargs(struct svc_rqst , __be32 );
	282	int nfs3svc_decode_readlinkargs(struct svc_rqst , __be32 );
	283	int nfs3svc_decode_linkargs(struct svc_rqst , __be32 );
	284	int nfs3svc_decode_symlinkargs(struct svc_rqst , __be32 );
	285	int nfs3svc_decode_readdirargs(struct svc_rqst , __be32 );
	286	int nfs3svc_decode_readdirplusargs(struct svc_rqst , __be32 );
	287	int nfs3svc_decode_commitargs(struct svc_rqst , __be32 );
63f8de37 CH	288	int nfs3svc_encode_voidres(struct svc_rqst , __be32 );
	289	int nfs3svc_encode_attrstat(struct svc_rqst , __be32 );
	290	int nfs3svc_encode_wccstat(struct svc_rqst , __be32 );
	291	int nfs3svc_encode_diropres(struct svc_rqst , __be32 );
	292	int nfs3svc_encode_accessres(struct svc_rqst , __be32 );
	293	int nfs3svc_encode_readlinkres(struct svc_rqst , __be32 );
	294	int nfs3svc_encode_readres(struct svc_rqst , __be32 );
	295	int nfs3svc_encode_writeres(struct svc_rqst , __be32 );
	296	int nfs3svc_encode_createres(struct svc_rqst , __be32 );
	297	int nfs3svc_encode_renameres(struct svc_rqst , __be32 );
	298	int nfs3svc_encode_linkres(struct svc_rqst , __be32 );
	299	int nfs3svc_encode_readdirres(struct svc_rqst , __be32 );
	300	int nfs3svc_encode_fsstatres(struct svc_rqst , __be32 );
	301	int nfs3svc_encode_fsinfores(struct svc_rqst , __be32 );
	302	int nfs3svc_encode_pathconfres(struct svc_rqst , __be32 );
	303	int nfs3svc_encode_commitres(struct svc_rqst , __be32 );
1da177e4	304
8537488b CH	305	void nfs3svc_release_fhandle(struct svc_rqst *);
8537488b CH	306	void nfs3svc_release_fhandle2(struct svc_rqst *);
a0ad13ef N	307	int nfs3svc_encode_entry(void , const char name,
a0ad13ef N	308	int namlen, loff_t offset, u64 ino,
1da177e4	309	unsigned int);
a0ad13ef N	310	int nfs3svc_encode_entry_plus(void , const char name,
a0ad13ef N	311	int namlen, loff_t offset, u64 ino,
1da177e4	312	unsigned int);
a257cdd0	313	/* Helper functions for NFSv3 ACL code */
91f07168	314	__be32 nfs3svc_encode_post_op_attr(struct svc_rqst rqstp, __be32 *p,
a257cdd0	315	struct svc_fh *fhp);
91f07168	316	__be32 nfs3svc_decode_fh(__be32 p, struct svc_fh *fhp);
1da177e4 LT	317
	318
	319	#endif /* _LINUX_NFSD_XDR3_H */