[mirror_ubuntu-bionic-kernel.git] / fs / 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 "nfsd.h"
#include "nfsfh.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 *);
int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *);
int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_createargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *);
int nfssvc_encode_void(struct svc_rqst *, __be32 *);
int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *);
int nfssvc_encode_diropres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readres(struct svc_rqst *, __be32 *);
int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *);

int nfssvc_encode_entry(void *, const char *name,
			int namlen, loff_t offset, u64 ino, unsigned int);

void nfssvc_release_fhandle(struct svc_rqst *);

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

#endif /* LINUX_NFSD_H */
Commit	Line	Data
7663dacd	1	/* XDR types for nfsd. This is mainly a typing exercise. */
1da177e4 LT	2
	3	#ifndef LINUX_NFSD_H
	4	#define LINUX_NFSD_H
	5
1da177e4	6	#include <linux/vfs.h>
9a74af21	7	#include "nfsd.h"
1557aca7	8	#include "nfsfh.h"
1da177e4 LT	9
	10	struct nfsd_fhandle {
	11	struct svc_fh fh;
	12	};
	13
	14	struct nfsd_sattrargs {
	15	struct svc_fh fh;
	16	struct iattr attrs;
	17	};
	18
	19	struct nfsd_diropargs {
	20	struct svc_fh fh;
	21	char * name;
29d5e555	22	unsigned int len;
1da177e4 LT	23	};
	24
	25	struct nfsd_readargs {
	26	struct svc_fh fh;
	27	__u32 offset;
	28	__u32 count;
1da177e4 LT	29	int vlen;
	30	};
	31
	32	struct nfsd_writeargs {
	33	svc_fh fh;
	34	__u32 offset;
	35	int len;
1da177e4 LT	36	int vlen;
	37	};
	38
	39	struct nfsd_createargs {
	40	struct svc_fh fh;
	41	char * name;
29d5e555	42	unsigned int len;
1da177e4 LT	43	struct iattr attrs;
	44	};
	45
	46	struct nfsd_renameargs {
	47	struct svc_fh ffh;
	48	char * fname;
29d5e555	49	unsigned int flen;
1da177e4 LT	50	struct svc_fh tfh;
1da177e4 LT	51	char * tname;
29d5e555	52	unsigned int tlen;
1da177e4 LT	53	};
	54
	55	struct nfsd_readlinkargs {
	56	struct svc_fh fh;
	57	char * buffer;
	58	};
	59
	60	struct nfsd_linkargs {
	61	struct svc_fh ffh;
	62	struct svc_fh tfh;
	63	char * tname;
29d5e555	64	unsigned int tlen;
1da177e4 LT	65	};
	66
	67	struct nfsd_symlinkargs {
	68	struct svc_fh ffh;
	69	char * fname;
29d5e555	70	unsigned int flen;
1da177e4	71	char * tname;
48b4ba3f	72	unsigned int tlen;
1da177e4 LT	73	struct iattr attrs;
	74	};
	75
	76	struct nfsd_readdirargs {
	77	struct svc_fh fh;
	78	__u32 cookie;
	79	__u32 count;
131a21c2	80	__be32 * buffer;
1da177e4 LT	81	};
	82
	83	struct nfsd_attrstat {
	84	struct svc_fh fh;
a334de28	85	struct kstat stat;
1da177e4 LT	86	};
	87
	88	struct nfsd_diropres {
	89	struct svc_fh fh;
a334de28	90	struct kstat stat;
1da177e4 LT	91	};
	92
	93	struct nfsd_readlinkres {
	94	int len;
	95	};
	96
	97	struct nfsd_readres {
	98	struct svc_fh fh;
	99	unsigned long count;
a334de28	100	struct kstat stat;
1da177e4 LT	101	};
	102
	103	struct nfsd_readdirres {
	104	int count;
	105
	106	struct readdir_cd common;
131a21c2	107	__be32 * buffer;
1da177e4	108	int buflen;
131a21c2	109	__be32 * offset;
1da177e4 LT	110	};
	111
	112	struct nfsd_statfsres {
	113	struct kstatfs stats;
	114	};
	115
	116	/*
	117	* Storage requirements for XDR arguments and results.
	118	*/
	119	union nfsd_xdrstore {
	120	struct nfsd_sattrargs sattr;
	121	struct nfsd_diropargs dirop;
	122	struct nfsd_readargs read;
	123	struct nfsd_writeargs write;
	124	struct nfsd_createargs create;
	125	struct nfsd_renameargs rename;
	126	struct nfsd_linkargs link;
	127	struct nfsd_symlinkargs symlink;
	128	struct nfsd_readdirargs readdir;
	129	};
	130
	131	#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
	132
	133
026fec7e CH	134	int nfssvc_decode_void(struct svc_rqst , __be32 );
	135	int nfssvc_decode_fhandle(struct svc_rqst , __be32 );
	136	int nfssvc_decode_sattrargs(struct svc_rqst , __be32 );
	137	int nfssvc_decode_diropargs(struct svc_rqst , __be32 );
	138	int nfssvc_decode_readargs(struct svc_rqst , __be32 );
	139	int nfssvc_decode_writeargs(struct svc_rqst , __be32 );
	140	int nfssvc_decode_createargs(struct svc_rqst , __be32 );
	141	int nfssvc_decode_renameargs(struct svc_rqst , __be32 );
	142	int nfssvc_decode_readlinkargs(struct svc_rqst , __be32 );
	143	int nfssvc_decode_linkargs(struct svc_rqst , __be32 );
	144	int nfssvc_decode_symlinkargs(struct svc_rqst , __be32 );
	145	int nfssvc_decode_readdirargs(struct svc_rqst , __be32 );
63f8de37 CH	146	int nfssvc_encode_void(struct svc_rqst , __be32 );
	147	int nfssvc_encode_attrstat(struct svc_rqst , __be32 );
	148	int nfssvc_encode_diropres(struct svc_rqst , __be32 );
	149	int nfssvc_encode_readlinkres(struct svc_rqst , __be32 );
	150	int nfssvc_encode_readres(struct svc_rqst , __be32 );
	151	int nfssvc_encode_statfsres(struct svc_rqst , __be32 );
	152	int nfssvc_encode_readdirres(struct svc_rqst , __be32 );
1da177e4	153
a0ad13ef N	154	int nfssvc_encode_entry(void , const char name,
a0ad13ef N	155	int namlen, loff_t offset, u64 ino, unsigned int);
1da177e4	156
8537488b	157	void nfssvc_release_fhandle(struct svc_rqst *);
1da177e4	158
a257cdd0	159	/* Helper functions for NFSv2 ACL code */
4f4a4fad	160	__be32 nfs2svc_encode_fattr(struct svc_rqst rqstp, __be32 p, struct svc_fh fhp, struct kstat *stat);
131a21c2	161	__be32 nfs2svc_decode_fh(__be32 p, struct svc_fh *fhp);
a257cdd0	162
1da177e4	163	#endif /* LINUX_NFSD_H */