[linux-2.6-block.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;
	struct kvec		vec[RPCSVC_MAXPAGES];
	int			vlen;
};

struct nfsd_writeargs {
	svc_fh			fh;
	__u32			offset;
	int			len;
	struct kvec		vec[RPCSVC_MAXPAGES];
	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;
	u32 *			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;
	u32 *			buffer;
	int			buflen;
	u32 *			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 *, u32 *, void *);
int nfssvc_decode_fhandle(struct svc_rqst *, u32 *, struct nfsd_fhandle *);
int nfssvc_decode_sattrargs(struct svc_rqst *, u32 *,
				struct nfsd_sattrargs *);
int nfssvc_decode_diropargs(struct svc_rqst *, u32 *,
				struct nfsd_diropargs *);
int nfssvc_decode_readargs(struct svc_rqst *, u32 *,
				struct nfsd_readargs *);
int nfssvc_decode_writeargs(struct svc_rqst *, u32 *,
				struct nfsd_writeargs *);
int nfssvc_decode_createargs(struct svc_rqst *, u32 *,
				struct nfsd_createargs *);
int nfssvc_decode_renameargs(struct svc_rqst *, u32 *,
				struct nfsd_renameargs *);
int nfssvc_decode_readlinkargs(struct svc_rqst *, u32 *,
				struct nfsd_readlinkargs *);
int nfssvc_decode_linkargs(struct svc_rqst *, u32 *,
				struct nfsd_linkargs *);
int nfssvc_decode_symlinkargs(struct svc_rqst *, u32 *,
				struct nfsd_symlinkargs *);
int nfssvc_decode_readdirargs(struct svc_rqst *, u32 *,
				struct nfsd_readdirargs *);
int nfssvc_encode_void(struct svc_rqst *, u32 *, void *);
int nfssvc_encode_attrstat(struct svc_rqst *, u32 *, struct nfsd_attrstat *);
int nfssvc_encode_diropres(struct svc_rqst *, u32 *, struct nfsd_diropres *);
int nfssvc_encode_readlinkres(struct svc_rqst *, u32 *, struct nfsd_readlinkres *);
int nfssvc_encode_readres(struct svc_rqst *, u32 *, struct nfsd_readres *);
int nfssvc_encode_statfsres(struct svc_rqst *, u32 *, struct nfsd_statfsres *);
int nfssvc_encode_readdirres(struct svc_rqst *, u32 *, 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 *, u32 *, struct nfsd_fhandle *);

/* Helper functions for NFSv2 ACL code */
u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp);
u32 *nfs2svc_decode_fh(u32 *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;
	33	struct kvec vec[RPCSVC_MAXPAGES];
	34	int vlen;
	35	};
	36
	37	struct nfsd_writeargs {
	38	svc_fh fh;
	39	__u32 offset;
	40	int len;
	41	struct kvec vec[RPCSVC_MAXPAGES];
	42	int vlen;
	43	};
	44
	45	struct nfsd_createargs {
	46	struct svc_fh fh;
	47	char * name;
	48	int len;
	49	struct iattr attrs;
	50	};
	51
	52	struct nfsd_renameargs {
	53	struct svc_fh ffh;
	54	char * fname;
	55	int flen;
	56	struct svc_fh tfh;
	57	char * tname;
	58	int tlen;
	59	};
	60
	61	struct nfsd_readlinkargs {
	62	struct svc_fh fh;
	63	char * buffer;
	64	};
	65
	66	struct nfsd_linkargs {
67	struct svc_fh ffh;
68	struct svc_fh tfh;
69	char * tname;
70	int tlen;
71	};
72
73	struct nfsd_symlinkargs {
74	struct svc_fh ffh;
75	char * fname;
76	int flen;
77	char * tname;
78	int tlen;
79	struct iattr attrs;
80	};
81
82	struct nfsd_readdirargs {
83	struct svc_fh fh;
84	__u32 cookie;
85	__u32 count;
86	u32 * buffer;
87	};
88
89	struct nfsd_attrstat {
90	struct svc_fh fh;
a334de28	91	struct kstat stat;
1da177e4 LT	92	};
	93
	94	struct nfsd_diropres {
	95	struct svc_fh fh;
a334de28	96	struct kstat stat;
1da177e4 LT	97	};
	98
	99	struct nfsd_readlinkres {
	100	int len;
	101	};
	102
	103	struct nfsd_readres {
	104	struct svc_fh fh;
	105	unsigned long count;
a334de28	106	struct kstat stat;
1da177e4 LT	107	};
	108
	109	struct nfsd_readdirres {
	110	int count;
	111
	112	struct readdir_cd common;
	113	u32 * buffer;
	114	int buflen;
	115	u32 * offset;
	116	};
	117
	118	struct nfsd_statfsres {
	119	struct kstatfs stats;
	120	};
	121
	122	/*
	123	* Storage requirements for XDR arguments and results.
	124	*/
	125	union nfsd_xdrstore {
	126	struct nfsd_sattrargs sattr;
	127	struct nfsd_diropargs dirop;
	128	struct nfsd_readargs read;
	129	struct nfsd_writeargs write;
	130	struct nfsd_createargs create;
	131	struct nfsd_renameargs rename;
	132	struct nfsd_linkargs link;
	133	struct nfsd_symlinkargs symlink;
	134	struct nfsd_readdirargs readdir;
	135	};
	136
	137	#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
	138
	139
	140	int nfssvc_decode_void(struct svc_rqst , u32 , void *);
	141	int nfssvc_decode_fhandle(struct svc_rqst , u32 , struct nfsd_fhandle *);
	142	int nfssvc_decode_sattrargs(struct svc_rqst , u32 ,
	143	struct nfsd_sattrargs *);
	144	int nfssvc_decode_diropargs(struct svc_rqst , u32 ,
	145	struct nfsd_diropargs *);
	146	int nfssvc_decode_readargs(struct svc_rqst , u32 ,
	147	struct nfsd_readargs *);
	148	int nfssvc_decode_writeargs(struct svc_rqst , u32 ,
	149	struct nfsd_writeargs *);
	150	int nfssvc_decode_createargs(struct svc_rqst , u32 ,
	151	struct nfsd_createargs *);
	152	int nfssvc_decode_renameargs(struct svc_rqst , u32 ,
	153	struct nfsd_renameargs *);
	154	int nfssvc_decode_readlinkargs(struct svc_rqst , u32 ,
	155	struct nfsd_readlinkargs *);
	156	int nfssvc_decode_linkargs(struct svc_rqst , u32 ,
	157	struct nfsd_linkargs *);
	158	int nfssvc_decode_symlinkargs(struct svc_rqst , u32 ,
	159	struct nfsd_symlinkargs *);
	160	int nfssvc_decode_readdirargs(struct svc_rqst , u32 ,
	161	struct nfsd_readdirargs *);
	162	int nfssvc_encode_void(struct svc_rqst , u32 , void *);
	163	int nfssvc_encode_attrstat(struct svc_rqst , u32 , struct nfsd_attrstat *);
	164	int nfssvc_encode_diropres(struct svc_rqst , u32 , struct nfsd_diropres *);
	165	int nfssvc_encode_readlinkres(struct svc_rqst , u32 , struct nfsd_readlinkres *);
	166	int nfssvc_encode_readres(struct svc_rqst , u32 , struct nfsd_readres *);
	167	int nfssvc_encode_statfsres(struct svc_rqst , u32 , struct nfsd_statfsres *);
	168	int nfssvc_encode_readdirres(struct svc_rqst , u32 , struct nfsd_readdirres *);
	169
	170	int nfssvc_encode_entry(struct readdir_cd , const char name,
171	int namlen, loff_t offset, ino_t ino, unsigned int);
172
173	int nfssvc_release_fhandle(struct svc_rqst , u32 , struct nfsd_fhandle *);
174
a257cdd0 AG	175	/* Helper functions for NFSv2 ACL code */
	176	u32 nfs2svc_encode_fattr(struct svc_rqst rqstp, u32 p, struct svc_fh fhp);
	177	u32 nfs2svc_decode_fh(u32 p, struct svc_fh *fhp);
	178
1da177e4	179	#endif /* LINUX_NFSD_H */