[mirror_ubuntu-zesty-kernel.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/vfs.h>
#include <linux/nfsd/nfsd.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;
	unsigned 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;
	unsigned int		len;
	struct iattr		attrs;
};

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

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

struct nfsd_symlinkargs {
	struct svc_fh		ffh;
	char *			fname;
	unsigned int		flen;
	char *			tname;
	unsigned 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(void *, const char *name,
			int namlen, loff_t offset, u64 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
1da177e4	10	#include <linux/vfs.h>
72579ac9	11	#include <linux/nfsd/nfsd.h>
1da177e4 LT	12
	13	struct nfsd_fhandle {
	14	struct svc_fh fh;
	15	};
	16
	17	struct nfsd_sattrargs {
	18	struct svc_fh fh;
	19	struct iattr attrs;
	20	};
	21
	22	struct nfsd_diropargs {
	23	struct svc_fh fh;
	24	char * name;
29d5e555	25	unsigned int len;
1da177e4 LT	26	};
	27
	28	struct nfsd_readargs {
	29	struct svc_fh fh;
	30	__u32 offset;
	31	__u32 count;
1da177e4 LT	32	int vlen;
	33	};
	34
	35	struct nfsd_writeargs {
	36	svc_fh fh;
	37	__u32 offset;
	38	int len;
1da177e4 LT	39	int vlen;
	40	};
	41
	42	struct nfsd_createargs {
	43	struct svc_fh fh;
	44	char * name;
29d5e555	45	unsigned int len;
1da177e4 LT	46	struct iattr attrs;
	47	};
	48
	49	struct nfsd_renameargs {
	50	struct svc_fh ffh;
	51	char * fname;
29d5e555	52	unsigned int flen;
1da177e4 LT	53	struct svc_fh tfh;
1da177e4 LT	54	char * tname;
29d5e555	55	unsigned int tlen;
1da177e4 LT	56	};
	57
	58	struct nfsd_readlinkargs {
	59	struct svc_fh fh;
	60	char * buffer;
	61	};
	62
	63	struct nfsd_linkargs {
	64	struct svc_fh ffh;
	65	struct svc_fh tfh;
	66	char * tname;
29d5e555	67	unsigned int tlen;
1da177e4 LT	68	};
	69
	70	struct nfsd_symlinkargs {
	71	struct svc_fh ffh;
	72	char * fname;
29d5e555	73	unsigned int flen;
1da177e4	74	char * tname;
48b4ba3f	75	unsigned int tlen;
1da177e4 LT	76	struct iattr attrs;
	77	};
	78
	79	struct nfsd_readdirargs {
	80	struct svc_fh fh;
	81	__u32 cookie;
	82	__u32 count;
131a21c2	83	__be32 * buffer;
1da177e4 LT	84	};
	85
	86	struct nfsd_attrstat {
	87	struct svc_fh fh;
a334de28	88	struct kstat stat;
1da177e4 LT	89	};
	90
	91	struct nfsd_diropres {
	92	struct svc_fh fh;
a334de28	93	struct kstat stat;
1da177e4 LT	94	};
	95
	96	struct nfsd_readlinkres {
	97	int len;
	98	};
	99
	100	struct nfsd_readres {
	101	struct svc_fh fh;
	102	unsigned long count;
a334de28	103	struct kstat stat;
1da177e4 LT	104	};
	105
	106	struct nfsd_readdirres {
	107	int count;
	108
	109	struct readdir_cd common;
131a21c2	110	__be32 * buffer;
1da177e4	111	int buflen;
131a21c2	112	__be32 * offset;
1da177e4 LT	113	};
	114
	115	struct nfsd_statfsres {
	116	struct kstatfs stats;
	117	};
	118
	119	/*
	120	* Storage requirements for XDR arguments and results.
	121	*/
	122	union nfsd_xdrstore {
	123	struct nfsd_sattrargs sattr;
	124	struct nfsd_diropargs dirop;
	125	struct nfsd_readargs read;
	126	struct nfsd_writeargs write;
	127	struct nfsd_createargs create;
	128	struct nfsd_renameargs rename;
	129	struct nfsd_linkargs link;
	130	struct nfsd_symlinkargs symlink;
	131	struct nfsd_readdirargs readdir;
	132	};
	133
	134	#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
	135
	136
131a21c2 AV	137	int nfssvc_decode_void(struct svc_rqst , __be32 , void *);
	138	int nfssvc_decode_fhandle(struct svc_rqst , __be32 , struct nfsd_fhandle *);
	139	int nfssvc_decode_sattrargs(struct svc_rqst , __be32 ,
1da177e4	140	struct nfsd_sattrargs *);
131a21c2	141	int nfssvc_decode_diropargs(struct svc_rqst , __be32 ,
1da177e4	142	struct nfsd_diropargs *);
131a21c2	143	int nfssvc_decode_readargs(struct svc_rqst , __be32 ,
1da177e4	144	struct nfsd_readargs *);
131a21c2	145	int nfssvc_decode_writeargs(struct svc_rqst , __be32 ,
1da177e4	146	struct nfsd_writeargs *);
131a21c2	147	int nfssvc_decode_createargs(struct svc_rqst , __be32 ,
1da177e4	148	struct nfsd_createargs *);
131a21c2	149	int nfssvc_decode_renameargs(struct svc_rqst , __be32 ,
1da177e4	150	struct nfsd_renameargs *);
131a21c2	151	int nfssvc_decode_readlinkargs(struct svc_rqst , __be32 ,
1da177e4	152	struct nfsd_readlinkargs *);
131a21c2	153	int nfssvc_decode_linkargs(struct svc_rqst , __be32 ,
1da177e4	154	struct nfsd_linkargs *);
131a21c2	155	int nfssvc_decode_symlinkargs(struct svc_rqst , __be32 ,
1da177e4	156	struct nfsd_symlinkargs *);
131a21c2	157	int nfssvc_decode_readdirargs(struct svc_rqst , __be32 ,
1da177e4	158	struct nfsd_readdirargs *);
131a21c2 AV	159	int nfssvc_encode_void(struct svc_rqst , __be32 , void *);
	160	int nfssvc_encode_attrstat(struct svc_rqst , __be32 , struct nfsd_attrstat *);
	161	int nfssvc_encode_diropres(struct svc_rqst , __be32 , struct nfsd_diropres *);
	162	int nfssvc_encode_readlinkres(struct svc_rqst , __be32 , struct nfsd_readlinkres *);
	163	int nfssvc_encode_readres(struct svc_rqst , __be32 , struct nfsd_readres *);
	164	int nfssvc_encode_statfsres(struct svc_rqst , __be32 , struct nfsd_statfsres *);
	165	int nfssvc_encode_readdirres(struct svc_rqst , __be32 , struct nfsd_readdirres *);
1da177e4	166
a0ad13ef N	167	int nfssvc_encode_entry(void , const char name,
a0ad13ef N	168	int namlen, loff_t offset, u64 ino, unsigned int);
1da177e4	169
131a21c2	170	int nfssvc_release_fhandle(struct svc_rqst , __be32 , struct nfsd_fhandle *);
1da177e4	171
a257cdd0	172	/* Helper functions for NFSv2 ACL code */
131a21c2 AV	173	__be32 nfs2svc_encode_fattr(struct svc_rqst rqstp, __be32 p, struct svc_fh fhp);
131a21c2 AV	174	__be32 nfs2svc_decode_fh(__be32 p, struct svc_fh *fhp);
a257cdd0	175
1da177e4	176	#endif /* LINUX_NFSD_H */