[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 *, struct nfsd_fhandle *);
int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
				struct nfsd3_sattrargs *);
int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
				struct nfsd3_diropargs *);
int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
				struct nfsd3_accessargs *);
int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
				struct nfsd3_readargs *);
int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
				struct nfsd3_writeargs *);
int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
				struct nfsd3_createargs *);
int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
				struct nfsd3_createargs *);
int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
				struct nfsd3_mknodargs *);
int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
				struct nfsd3_renameargs *);
int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
				struct nfsd3_readlinkargs *);
int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
				struct nfsd3_linkargs *);
int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
				struct nfsd3_symlinkargs *);
int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
				struct nfsd3_readdirargs *);
int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
				struct nfsd3_readdirargs *);
int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
				struct nfsd3_commitargs *);
int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
				struct nfsd3_attrstat *);
int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
				struct nfsd3_attrstat *);
int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
				struct nfsd3_diropres *);
int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
				struct nfsd3_accessres *);
int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
				struct nfsd3_readlinkres *);
int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
				struct nfsd3_diropres *);
int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
				struct nfsd3_renameres *);
int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
				struct nfsd3_linkres *);
int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
				struct nfsd3_readdirres *);
int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
				struct nfsd3_fsstatres *);
int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
				struct nfsd3_fsinfores *);
int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
				struct nfsd3_pathconfres *);
int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
				struct nfsd3_commitres *);

int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
				struct nfsd3_attrstat *);
int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
				struct nfsd3_fhandle_pair *);
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
	1	/*
	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
	10	#include "xdr.h"
	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;
	22	unsigned int len;
	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;
	34	int vlen;
	35	};
	36
	37	struct nfsd3_writeargs {
	38	svc_fh fh;
	39	__u64 offset;
	40	__u32 count;
	41	int stable;
	42	__u32 len;
	43	int vlen;
	44	};
	45
	46	struct nfsd3_createargs {
	47	struct svc_fh fh;
	48	char * name;
	49	unsigned int len;
	50	int createmode;
	51	struct iattr attrs;
	52	__be32 * verf;
	53	};
	54
	55	struct nfsd3_mknodargs {
	56	struct svc_fh fh;
	57	char * name;
	58	unsigned int len;
	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;
	67	unsigned int flen;
	68	struct svc_fh tfh;
	69	char * tname;
	70	unsigned int tlen;
	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;
	82	unsigned int tlen;
	83	};
	84
	85	struct nfsd3_symlinkargs {
	86	struct svc_fh ffh;
	87	char * fname;
	88	unsigned int flen;
	89	char * tname;
	90	unsigned int tlen;
	91	struct iattr attrs;
	92	};
	93
	94	struct nfsd3_readdirargs {
	95	struct svc_fh fh;
	96	__u64 cookie;
	97	__u32 dircount;
	98	__u32 count;
	99	__be32 * verf;
	100	__be32 * buffer;
	101	};
	102
	103	struct nfsd3_commitargs {
	104	struct svc_fh fh;
	105	__u64 offset;
	106	__u32 count;
	107	};
	108
	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
	122	struct nfsd3_attrstat {
	123	__be32 status;
	124	struct svc_fh fh;
	125	struct kstat stat;
	126	};
	127
	128	/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
	129	struct nfsd3_diropres {
	130	__be32 status;
	131	struct svc_fh dirfh;
	132	struct svc_fh fh;
	133	};
	134
	135	struct nfsd3_accessres {
	136	__be32 status;
	137	struct svc_fh fh;
	138	__u32 access;
	139	struct kstat stat;
	140	};
	141
	142	struct nfsd3_readlinkres {
	143	__be32 status;
	144	struct svc_fh fh;
	145	__u32 len;
	146	};
	147
	148	struct nfsd3_readres {
	149	__be32 status;
	150	struct svc_fh fh;
	151	unsigned long count;
	152	int eof;
	153	};
	154
	155	struct nfsd3_writeres {
	156	__be32 status;
	157	struct svc_fh fh;
	158	unsigned long count;
	159	int committed;
	160	};
	161
	162	struct nfsd3_renameres {
	163	__be32 status;
	164	struct svc_fh ffh;
	165	struct svc_fh tfh;
	166	};
	167
	168	struct nfsd3_linkres {
	169	__be32 status;
	170	struct svc_fh tfh;
	171	struct svc_fh fh;
	172	};
	173
	174	struct nfsd3_readdirres {
	175	__be32 status;
	176	struct svc_fh fh;
	177	/* Just to save kmalloc on every readdirplus entry (svc_fh is a
	178	* little large for the stack): */
	179	struct svc_fh scratch;
	180	int count;
	181	__be32 verf[2];
	182
	183	struct readdir_cd common;
	184	__be32 * buffer;
	185	int buflen;
	186	__be32 * offset;
	187	__be32 * offset1;
	188	struct svc_rqst * rqstp;
	189
	190	};
	191
	192	struct nfsd3_fsstatres {
	193	__be32 status;
	194	struct kstatfs stats;
	195	__u32 invarsec;
	196	};
	197
	198	struct nfsd3_fsinfores {
	199	__be32 status;
	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 {
	212	__be32 status;
	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 {
	222	__be32 status;
	223	struct svc_fh fh;
	224	};
	225
	226	struct nfsd3_getaclres {
	227	__be32 status;
	228	struct svc_fh fh;
	229	int mask;
	230	struct posix_acl *acl_access;
	231	struct posix_acl *acl_default;
	232	struct kstat stat;
	233	};
	234
	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;
	267	struct nfsd3_getaclres getaclres;
	268	};
	269
	270	#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
	271
	272	int nfs3svc_decode_fhandle(struct svc_rqst , __be32 , struct nfsd_fhandle *);
	273	int nfs3svc_decode_sattrargs(struct svc_rqst , __be32 ,
	274	struct nfsd3_sattrargs *);
	275	int nfs3svc_decode_diropargs(struct svc_rqst , __be32 ,
	276	struct nfsd3_diropargs *);
	277	int nfs3svc_decode_accessargs(struct svc_rqst , __be32 ,
	278	struct nfsd3_accessargs *);
	279	int nfs3svc_decode_readargs(struct svc_rqst , __be32 ,
	280	struct nfsd3_readargs *);
	281	int nfs3svc_decode_writeargs(struct svc_rqst , __be32 ,
	282	struct nfsd3_writeargs *);
	283	int nfs3svc_decode_createargs(struct svc_rqst , __be32 ,
	284	struct nfsd3_createargs *);
	285	int nfs3svc_decode_mkdirargs(struct svc_rqst , __be32 ,
	286	struct nfsd3_createargs *);
	287	int nfs3svc_decode_mknodargs(struct svc_rqst , __be32 ,
	288	struct nfsd3_mknodargs *);
	289	int nfs3svc_decode_renameargs(struct svc_rqst , __be32 ,
	290	struct nfsd3_renameargs *);
	291	int nfs3svc_decode_readlinkargs(struct svc_rqst , __be32 ,
	292	struct nfsd3_readlinkargs *);
	293	int nfs3svc_decode_linkargs(struct svc_rqst , __be32 ,
	294	struct nfsd3_linkargs *);
	295	int nfs3svc_decode_symlinkargs(struct svc_rqst , __be32 ,
	296	struct nfsd3_symlinkargs *);
	297	int nfs3svc_decode_readdirargs(struct svc_rqst , __be32 ,
	298	struct nfsd3_readdirargs *);
	299	int nfs3svc_decode_readdirplusargs(struct svc_rqst , __be32 ,
	300	struct nfsd3_readdirargs *);
	301	int nfs3svc_decode_commitargs(struct svc_rqst , __be32 ,
	302	struct nfsd3_commitargs *);
	303	int nfs3svc_encode_voidres(struct svc_rqst , __be32 , void *);
	304	int nfs3svc_encode_attrstat(struct svc_rqst , __be32 ,
	305	struct nfsd3_attrstat *);
	306	int nfs3svc_encode_wccstat(struct svc_rqst , __be32 ,
	307	struct nfsd3_attrstat *);
	308	int nfs3svc_encode_diropres(struct svc_rqst , __be32 ,
	309	struct nfsd3_diropres *);
	310	int nfs3svc_encode_accessres(struct svc_rqst , __be32 ,
	311	struct nfsd3_accessres *);
	312	int nfs3svc_encode_readlinkres(struct svc_rqst , __be32 ,
	313	struct nfsd3_readlinkres *);
	314	int nfs3svc_encode_readres(struct svc_rqst , __be32 , struct nfsd3_readres *);
	315	int nfs3svc_encode_writeres(struct svc_rqst , __be32 , struct nfsd3_writeres *);
	316	int nfs3svc_encode_createres(struct svc_rqst , __be32 ,
	317	struct nfsd3_diropres *);
	318	int nfs3svc_encode_renameres(struct svc_rqst , __be32 ,
	319	struct nfsd3_renameres *);
	320	int nfs3svc_encode_linkres(struct svc_rqst , __be32 ,
	321	struct nfsd3_linkres *);
	322	int nfs3svc_encode_readdirres(struct svc_rqst , __be32 ,
	323	struct nfsd3_readdirres *);
	324	int nfs3svc_encode_fsstatres(struct svc_rqst , __be32 ,
	325	struct nfsd3_fsstatres *);
	326	int nfs3svc_encode_fsinfores(struct svc_rqst , __be32 ,
	327	struct nfsd3_fsinfores *);
	328	int nfs3svc_encode_pathconfres(struct svc_rqst , __be32 ,
	329	struct nfsd3_pathconfres *);
	330	int nfs3svc_encode_commitres(struct svc_rqst , __be32 ,
	331	struct nfsd3_commitres *);
	332
	333	int nfs3svc_release_fhandle(struct svc_rqst , __be32 ,
	334	struct nfsd3_attrstat *);
	335	int nfs3svc_release_fhandle2(struct svc_rqst , __be32 ,
	336	struct nfsd3_fhandle_pair *);
	337	int nfs3svc_encode_entry(void , const char name,
	338	int namlen, loff_t offset, u64 ino,
	339	unsigned int);
	340	int nfs3svc_encode_entry_plus(void , const char name,
	341	int namlen, loff_t offset, u64 ino,
	342	unsigned int);
	343	/* Helper functions for NFSv3 ACL code */
	344	__be32 nfs3svc_encode_post_op_attr(struct svc_rqst rqstp, __be32 *p,
	345	struct svc_fh *fhp);
	346	__be32 nfs3svc_decode_fh(__be32 p, struct svc_fh *fhp);
	347
	348
	349	#endif /* _LINUX_NFSD_XDR3_H */