[deliverable/linux.git] / include / linux / nfsd / xdr.h

/*
 * linux/include/linux/nfsd/xdr.h
 *
 * XDR types for nfsd. This is mainly a typing exercise.
 */

#ifndef LINUX_NFSD_H
#define LINUX_NFSD_H

#include <linux/fs.h>
#include <linux/vfs.h>
#include <linux/nfs.h>

struct nfsd_fhandle {
	struct svc_fh		fh;
};

struct nfsd_sattrargs {
	struct svc_fh		fh;
	struct iattr		attrs;
};

struct nfsd_diropargs {
	struct svc_fh		fh;
	char *			name;
	int			len;
};

struct nfsd_readargs {
	struct svc_fh		fh;
	__u32			offset;
	__u32			count;
	int			vlen;
};

struct nfsd_writeargs {
	svc_fh			fh;
	__u32			offset;
	int			len;
	int			vlen;
};

struct nfsd_createargs {
	struct svc_fh		fh;
	char *			name;
	int			len;
	struct iattr		attrs;
};

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

struct nfsd_readlinkargs {
	struct svc_fh		fh;
	char *			buffer;
};
	
struct nfsd_linkargs {
	struct svc_fh		ffh;
	struct svc_fh		tfh;
	char *			tname;
	int			tlen;
};

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

struct nfsd_readdirargs {
	struct svc_fh		fh;
	__u32			cookie;
	__u32			count;
	__be32 *		buffer;
};

struct nfsd_attrstat {
	struct svc_fh		fh;
	struct kstat		stat;
};

struct nfsd_diropres  {
	struct svc_fh		fh;
	struct kstat		stat;
};

struct nfsd_readlinkres {
	int			len;
};

struct nfsd_readres {
	struct svc_fh		fh;
	unsigned long		count;
	struct kstat		stat;
};

struct nfsd_readdirres {
	int			count;

	struct readdir_cd	common;
	__be32 *		buffer;
	int			buflen;
	__be32 *		offset;
};

struct nfsd_statfsres {
	struct kstatfs		stats;
};

/*
 * Storage requirements for XDR arguments and results.
 */
union nfsd_xdrstore {
	struct nfsd_sattrargs	sattr;
	struct nfsd_diropargs	dirop;
	struct nfsd_readargs	read;
	struct nfsd_writeargs	write;
	struct nfsd_createargs	create;
	struct nfsd_renameargs	rename;
	struct nfsd_linkargs	link;
	struct nfsd_symlinkargs	symlink;
	struct nfsd_readdirargs	readdir;
};

#define NFS2_SVC_XDRSIZE	sizeof(union nfsd_xdrstore)


int nfssvc_decode_void(struct svc_rqst *, __be32 *, void *);
int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *,
				struct nfsd_sattrargs *);
int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *,
				struct nfsd_diropargs *);
int nfssvc_decode_readargs(struct svc_rqst *, __be32 *,
				struct nfsd_readargs *);
int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *,
				struct nfsd_writeargs *);
int nfssvc_decode_createargs(struct svc_rqst *, __be32 *,
				struct nfsd_createargs *);
int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *,
				struct nfsd_renameargs *);
int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *,
				struct nfsd_readlinkargs *);
int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *,
				struct nfsd_linkargs *);
int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *,
				struct nfsd_symlinkargs *);
int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *,
				struct nfsd_readdirargs *);
int nfssvc_encode_void(struct svc_rqst *, __be32 *, void *);
int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *, struct nfsd_attrstat *);
int nfssvc_encode_diropres(struct svc_rqst *, __be32 *, struct nfsd_diropres *);
int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *, struct nfsd_readlinkres *);
int nfssvc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd_readres *);
int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *, struct nfsd_statfsres *);
int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *, struct nfsd_readdirres *);

int nfssvc_encode_entry(struct readdir_cd *, const char *name,
				int namlen, loff_t offset, ino_t ino, unsigned int);

int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);

/* Helper functions for NFSv2 ACL code */
__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp);
__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);

#endif /* LINUX_NFSD_H */
Commit	Line	Data
1da177e4	1	/*
f30c2269	2	* linux/include/linux/nfsd/xdr.h
1da177e4 LT	3	*
	4	* XDR types for nfsd. This is mainly a typing exercise.
	5	*/
	6
	7	#ifndef LINUX_NFSD_H
	8	#define LINUX_NFSD_H
	9
	10	#include <linux/fs.h>
	11	#include <linux/vfs.h>
	12	#include <linux/nfs.h>
	13
	14	struct nfsd_fhandle {
	15	struct svc_fh fh;
	16	};
	17
	18	struct nfsd_sattrargs {
	19	struct svc_fh fh;
	20	struct iattr attrs;
	21	};
	22
	23	struct nfsd_diropargs {
	24	struct svc_fh fh;
	25	char * name;
	26	int len;
	27	};
	28
	29	struct nfsd_readargs {
	30	struct svc_fh fh;
	31	__u32 offset;
	32	__u32 count;
1da177e4 LT	33	int vlen;
	34	};
	35
	36	struct nfsd_writeargs {
	37	svc_fh fh;
	38	__u32 offset;
	39	int len;
1da177e4 LT	40	int vlen;
	41	};
	42
	43	struct nfsd_createargs {
	44	struct svc_fh fh;
	45	char * name;
	46	int len;
	47	struct iattr attrs;
	48	};
	49
	50	struct nfsd_renameargs {
	51	struct svc_fh ffh;
	52	char * fname;
	53	int flen;
	54	struct svc_fh tfh;
	55	char * tname;
	56	int tlen;
	57	};
	58
	59	struct nfsd_readlinkargs {
	60	struct svc_fh fh;
	61	char * buffer;
	62	};
	63
	64	struct nfsd_linkargs {
	65	struct svc_fh ffh;
	66	struct svc_fh tfh;
	67	char * tname;
	68	int tlen;
	69	};
	70
	71	struct nfsd_symlinkargs {
	72	struct svc_fh ffh;
	73	char * fname;
	74	int flen;
	75	char * tname;
	76	int tlen;
	77	struct iattr attrs;
	78	};
	79
	80	struct nfsd_readdirargs {
	81	struct svc_fh fh;
	82	__u32 cookie;
	83	__u32 count;
131a21c2	84	__be32 * buffer;
1da177e4 LT	85	};
	86
	87	struct nfsd_attrstat {
	88	struct svc_fh fh;
a334de28	89	struct kstat stat;
1da177e4 LT	90	};
	91
	92	struct nfsd_diropres {
	93	struct svc_fh fh;
a334de28	94	struct kstat stat;
1da177e4 LT	95	};
	96
	97	struct nfsd_readlinkres {
	98	int len;
	99	};
	100
	101	struct nfsd_readres {
	102	struct svc_fh fh;
	103	unsigned long count;
a334de28	104	struct kstat stat;
1da177e4 LT	105	};
	106
	107	struct nfsd_readdirres {
	108	int count;
	109
	110	struct readdir_cd common;
131a21c2	111	__be32 * buffer;
1da177e4	112	int buflen;
131a21c2	113	__be32 * offset;
1da177e4 LT	114	};
	115
	116	struct nfsd_statfsres {
	117	struct kstatfs stats;
	118	};
	119
	120	/*
	121	* Storage requirements for XDR arguments and results.
	122	*/
	123	union nfsd_xdrstore {
	124	struct nfsd_sattrargs sattr;
	125	struct nfsd_diropargs dirop;
	126	struct nfsd_readargs read;
	127	struct nfsd_writeargs write;
	128	struct nfsd_createargs create;
	129	struct nfsd_renameargs rename;
	130	struct nfsd_linkargs link;
	131	struct nfsd_symlinkargs symlink;
	132	struct nfsd_readdirargs readdir;
	133	};
	134
	135	#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
	136
	137
131a21c2 AV	138	int nfssvc_decode_void(struct svc_rqst , __be32 , void *);
	139	int nfssvc_decode_fhandle(struct svc_rqst , __be32 , struct nfsd_fhandle *);
	140	int nfssvc_decode_sattrargs(struct svc_rqst , __be32 ,
1da177e4	141	struct nfsd_sattrargs *);
131a21c2	142	int nfssvc_decode_diropargs(struct svc_rqst , __be32 ,
1da177e4	143	struct nfsd_diropargs *);
131a21c2	144	int nfssvc_decode_readargs(struct svc_rqst , __be32 ,
1da177e4	145	struct nfsd_readargs *);
131a21c2	146	int nfssvc_decode_writeargs(struct svc_rqst , __be32 ,
1da177e4	147	struct nfsd_writeargs *);
131a21c2	148	int nfssvc_decode_createargs(struct svc_rqst , __be32 ,
1da177e4	149	struct nfsd_createargs *);
131a21c2	150	int nfssvc_decode_renameargs(struct svc_rqst , __be32 ,
1da177e4	151	struct nfsd_renameargs *);
131a21c2	152	int nfssvc_decode_readlinkargs(struct svc_rqst , __be32 ,
1da177e4	153	struct nfsd_readlinkargs *);
131a21c2	154	int nfssvc_decode_linkargs(struct svc_rqst , __be32 ,
1da177e4	155	struct nfsd_linkargs *);
131a21c2	156	int nfssvc_decode_symlinkargs(struct svc_rqst , __be32 ,
1da177e4	157	struct nfsd_symlinkargs *);
131a21c2	158	int nfssvc_decode_readdirargs(struct svc_rqst , __be32 ,
1da177e4	159	struct nfsd_readdirargs *);
131a21c2 AV	160	int nfssvc_encode_void(struct svc_rqst , __be32 , void *);
	161	int nfssvc_encode_attrstat(struct svc_rqst , __be32 , struct nfsd_attrstat *);
	162	int nfssvc_encode_diropres(struct svc_rqst , __be32 , struct nfsd_diropres *);
	163	int nfssvc_encode_readlinkres(struct svc_rqst , __be32 , struct nfsd_readlinkres *);
	164	int nfssvc_encode_readres(struct svc_rqst , __be32 , struct nfsd_readres *);
	165	int nfssvc_encode_statfsres(struct svc_rqst , __be32 , struct nfsd_statfsres *);
	166	int nfssvc_encode_readdirres(struct svc_rqst , __be32 , struct nfsd_readdirres *);
1da177e4 LT	167
	168	int nfssvc_encode_entry(struct readdir_cd , const char name,
	169	int namlen, loff_t offset, ino_t ino, unsigned int);
	170
131a21c2	171	int nfssvc_release_fhandle(struct svc_rqst , __be32 , struct nfsd_fhandle *);
1da177e4	172
a257cdd0	173	/* Helper functions for NFSv2 ACL code */
131a21c2 AV	174	__be32 nfs2svc_encode_fattr(struct svc_rqst rqstp, __be32 p, struct svc_fh fhp);
131a21c2 AV	175	__be32 nfs2svc_decode_fh(__be32 p, struct svc_fh *fhp);
a257cdd0	176
1da177e4	177	#endif /* LINUX_NFSD_H */