[net-next-2.6.git] / include / linux / nfsd / xdr4.h

/*
 *  include/linux/nfsd/xdr4.h
 *
 *  Server-side types for NFSv4.
 *
 *  Copyright (c) 2002 The Regents of the University of Michigan.
 *  All rights reserved.
 *
 *  Kendrick Smith <kmsmith@umich.edu>
 *  Andy Adamson   <andros@umich.edu>
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the University nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef _LINUX_NFSD_XDR4_H
#define _LINUX_NFSD_XDR4_H

#include <linux/nfs4.h>

#define NFSD4_MAX_TAGLEN	128
#define XDR_LEN(n)                     (((n) + 3) & ~3)

struct nfsd4_compound_state {
	struct svc_fh		current_fh;
	struct svc_fh		save_fh;
	struct nfs4_stateowner	*replay_owner;
	/* For sessions DRC */
	struct nfsd4_session	*session;
	struct nfsd4_slot	*slot;
};

struct nfsd4_change_info {
	u32		atomic;
	u32		before_ctime_sec;
	u32		before_ctime_nsec;
	u32		after_ctime_sec;
	u32		after_ctime_nsec;
};

struct nfsd4_access {
	u32		ac_req_access;      /* request */
	u32		ac_supported;       /* response */
	u32		ac_resp_access;     /* response */
};

struct nfsd4_close {
	u32		cl_seqid;           /* request */
	stateid_t	cl_stateid;         /* request+response */
	struct nfs4_stateowner * cl_stateowner;	/* response */
};

struct nfsd4_commit {
	u64		co_offset;          /* request */
	u32		co_count;           /* request */
	nfs4_verifier	co_verf;            /* response */
};

struct nfsd4_create {
	u32		cr_namelen;         /* request */
	char *		cr_name;            /* request */
	u32		cr_type;            /* request */
	union {                             /* request */
		struct {
			u32 namelen;
			char *name;
		} link;   /* NF4LNK */
		struct {
			u32 specdata1;
			u32 specdata2;
		} dev;    /* NF4BLK, NF4CHR */
	} u;
	u32		cr_bmval[2];        /* request */
	struct iattr	cr_iattr;           /* request */
	struct nfsd4_change_info  cr_cinfo; /* response */
	struct nfs4_acl *cr_acl;
};
#define cr_linklen	u.link.namelen
#define cr_linkname	u.link.name
#define cr_specdata1	u.dev.specdata1
#define cr_specdata2	u.dev.specdata2

struct nfsd4_delegreturn {
	stateid_t	dr_stateid;
};

struct nfsd4_getattr {
	u32		ga_bmval[2];        /* request */
	struct svc_fh	*ga_fhp;            /* response */
};

struct nfsd4_link {
	u32		li_namelen;         /* request */
	char *		li_name;            /* request */
	struct nfsd4_change_info  li_cinfo; /* response */
};

struct nfsd4_lock_denied {
	clientid_t	ld_clientid;
	struct nfs4_stateowner   *ld_sop;
	u64             ld_start;
	u64             ld_length;
	u32             ld_type;
};

struct nfsd4_lock {
	/* request */
	u32             lk_type;
	u32             lk_reclaim;         /* boolean */
	u64             lk_offset;
	u64             lk_length;
	u32             lk_is_new;
	union {
		struct {
			u32             open_seqid;
			stateid_t       open_stateid;
			u32             lock_seqid;
			clientid_t      clientid;
			struct xdr_netobj owner;
		} new;
		struct {
			stateid_t       lock_stateid;
			u32             lock_seqid;
		} old;
	} v;

	/* response */
	union {
		struct {
			stateid_t               stateid;
		} ok;
		struct nfsd4_lock_denied        denied;
	} u;
	/* The lk_replay_owner is the open owner in the open_to_lock_owner
	 * case and the lock owner otherwise: */
	struct nfs4_stateowner *lk_replay_owner;
};
#define lk_new_open_seqid       v.new.open_seqid
#define lk_new_open_stateid     v.new.open_stateid
#define lk_new_lock_seqid       v.new.lock_seqid
#define lk_new_clientid         v.new.clientid
#define lk_new_owner            v.new.owner
#define lk_old_lock_stateid     v.old.lock_stateid
#define lk_old_lock_seqid       v.old.lock_seqid

#define lk_rflags       u.ok.rflags
#define lk_resp_stateid u.ok.stateid
#define lk_denied       u.denied


struct nfsd4_lockt {
	u32				lt_type;
	clientid_t			lt_clientid;
	struct xdr_netobj		lt_owner;
	u64				lt_offset;
	u64				lt_length;
	struct nfs4_stateowner * 	lt_stateowner;
	struct nfsd4_lock_denied  	lt_denied;
};

 
struct nfsd4_locku {
	u32             lu_type;
	u32             lu_seqid;
	stateid_t       lu_stateid;
	u64             lu_offset;
	u64             lu_length;
	struct nfs4_stateowner  *lu_stateowner;
};


struct nfsd4_lookup {
	u32		lo_len;             /* request */
	char *		lo_name;            /* request */
};

struct nfsd4_putfh {
	u32		pf_fhlen;           /* request */
	char		*pf_fhval;          /* request */
};

struct nfsd4_open {
	u32		op_claim_type;      /* request */
	struct xdr_netobj op_fname;	    /* request - everything but CLAIM_PREV */
	u32		op_delegate_type;   /* request - CLAIM_PREV only */
	stateid_t       op_delegate_stateid; /* request - response */
	u32		op_create;     	    /* request */
	u32		op_createmode;      /* request */
	u32		op_bmval[2];        /* request */
	union {                             /* request */
		struct iattr	iattr;                      /* UNCHECKED4,GUARDED4 */
		nfs4_verifier	verf;                                /* EXCLUSIVE4 */
	} u;
	clientid_t	op_clientid;        /* request */
	struct xdr_netobj op_owner;           /* request */
	u32		op_seqid;           /* request */
	u32		op_share_access;    /* request */
	u32		op_share_deny;      /* request */
	stateid_t	op_stateid;         /* response */
	u32		op_recall;          /* recall */
	struct nfsd4_change_info  op_cinfo; /* response */
	u32		op_rflags;          /* response */
	int		op_truncate;        /* used during processing */
	struct nfs4_stateowner *op_stateowner; /* used during processing */
	struct nfs4_acl *op_acl;
};
#define op_iattr	u.iattr
#define op_verf		u.verf

struct nfsd4_open_confirm {
	stateid_t	oc_req_stateid		/* request */;
	u32		oc_seqid    		/* request */;
	stateid_t	oc_resp_stateid		/* response */;
	struct nfs4_stateowner * oc_stateowner;	/* response */
};

struct nfsd4_open_downgrade {
	stateid_t       od_stateid;
	u32             od_seqid;
	u32             od_share_access;
	u32             od_share_deny;
	struct nfs4_stateowner *od_stateowner;
};


struct nfsd4_read {
	stateid_t	rd_stateid;         /* request */
	u64		rd_offset;          /* request */
	u32		rd_length;          /* request */
	int		rd_vlen;
	struct file     *rd_filp;
	
	struct svc_rqst *rd_rqstp;          /* response */
	struct svc_fh * rd_fhp;             /* response */
};

struct nfsd4_readdir {
	u64		rd_cookie;          /* request */
	nfs4_verifier	rd_verf;            /* request */
	u32		rd_dircount;        /* request */
	u32		rd_maxcount;        /* request */
	u32		rd_bmval[2];        /* request */
	struct svc_rqst *rd_rqstp;          /* response */
	struct svc_fh * rd_fhp;             /* response */

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

struct nfsd4_release_lockowner {
	clientid_t        rl_clientid;
	struct xdr_netobj rl_owner;
};
struct nfsd4_readlink {
	struct svc_rqst *rl_rqstp;          /* request */
	struct svc_fh *	rl_fhp;             /* request */
};

struct nfsd4_remove {
	u32		rm_namelen;         /* request */
	char *		rm_name;            /* request */
	struct nfsd4_change_info  rm_cinfo; /* response */
};

struct nfsd4_rename {
	u32		rn_snamelen;        /* request */
	char *		rn_sname;           /* request */
	u32		rn_tnamelen;        /* request */
	char *		rn_tname;           /* request */
	struct nfsd4_change_info  rn_sinfo; /* response */
	struct nfsd4_change_info  rn_tinfo; /* response */
};

struct nfsd4_secinfo {
	u32 si_namelen;					/* request */
	char *si_name;					/* request */
	struct svc_export *si_exp;			/* response */
};

struct nfsd4_setattr {
	stateid_t	sa_stateid;         /* request */
	u32		sa_bmval[2];        /* request */
	struct iattr	sa_iattr;           /* request */
	struct nfs4_acl *sa_acl;
};

struct nfsd4_setclientid {
	nfs4_verifier	se_verf;            /* request */
	u32		se_namelen;         /* request */
	char *		se_name;            /* request */
	u32		se_callback_prog;   /* request */
	u32		se_callback_netid_len;  /* request */
	char *		se_callback_netid_val;  /* request */
	u32		se_callback_addr_len;   /* request */
	char *		se_callback_addr_val;   /* request */
	u32		se_callback_ident;  /* request */
	clientid_t	se_clientid;        /* response */
	nfs4_verifier	se_confirm;         /* response */
};

struct nfsd4_setclientid_confirm {
	clientid_t	sc_clientid;
	nfs4_verifier	sc_confirm;
};

/* also used for NVERIFY */
struct nfsd4_verify {
	u32		ve_bmval[2];        /* request */
	u32		ve_attrlen;         /* request */
	char *		ve_attrval;         /* request */
};

struct nfsd4_write {
	stateid_t	wr_stateid;         /* request */
	u64		wr_offset;          /* request */
	u32		wr_stable_how;      /* request */
	u32		wr_buflen;          /* request */
	int		wr_vlen;

	u32		wr_bytes_written;   /* response */
	u32		wr_how_written;     /* response */
	nfs4_verifier	wr_verifier;        /* response */
};

struct nfsd4_exchange_id {
	nfs4_verifier	verifier;
	struct xdr_netobj clname;
	u32		flags;
	clientid_t	clientid;
	u32		seqid;
	int		spa_how;
};

struct nfsd4_create_session {
	int	foo;	/* stub */
};

struct nfsd4_sequence {
	struct nfs4_sessionid	sessionid;		/* request/response */
	u32			seqid;			/* request/response */
	u32			slotid;			/* request/response */
	u32			maxslots;		/* request/response */
	u32			cachethis;		/* request */
#if 0
	u32			target_maxslots;	/* response */
	u32			status_flags;		/* response */
#endif /* not yet */
};

struct nfsd4_destroy_session {
	int	foo;	/* stub */
};

struct nfsd4_op {
	int					opnum;
	__be32					status;
	union {
		struct nfsd4_access		access;
		struct nfsd4_close		close;
		struct nfsd4_commit		commit;
		struct nfsd4_create		create;
		struct nfsd4_delegreturn	delegreturn;
		struct nfsd4_getattr		getattr;
		struct svc_fh *			getfh;
		struct nfsd4_link		link;
		struct nfsd4_lock		lock;
		struct nfsd4_lockt		lockt;
		struct nfsd4_locku		locku;
		struct nfsd4_lookup		lookup;
		struct nfsd4_verify		nverify;
		struct nfsd4_open		open;
		struct nfsd4_open_confirm	open_confirm;
		struct nfsd4_open_downgrade	open_downgrade;
		struct nfsd4_putfh		putfh;
		struct nfsd4_read		read;
		struct nfsd4_readdir		readdir;
		struct nfsd4_readlink		readlink;
		struct nfsd4_remove		remove;
		struct nfsd4_rename		rename;
		clientid_t			renew;
		struct nfsd4_secinfo		secinfo;
		struct nfsd4_setattr		setattr;
		struct nfsd4_setclientid	setclientid;
		struct nfsd4_setclientid_confirm setclientid_confirm;
		struct nfsd4_verify		verify;
		struct nfsd4_write		write;
		struct nfsd4_release_lockowner	release_lockowner;

		/* NFSv4.1 */
		struct nfsd4_exchange_id	exchange_id;
		struct nfsd4_create_session	create_session;
		struct nfsd4_destroy_session	destroy_session;
		struct nfsd4_sequence		sequence;
	} u;
	struct nfs4_replay *			replay;
};

struct nfsd4_compoundargs {
	/* scratch variables for XDR decode */
	__be32 *			p;
	__be32 *			end;
	struct page **			pagelist;
	int				pagelen;
	__be32				tmp[8];
	__be32 *			tmpp;
	struct tmpbuf {
		struct tmpbuf *next;
		void (*release)(const void *);
		void *buf;
	}				*to_free;

	struct svc_rqst			*rqstp;

	u32				taglen;
	char *				tag;
	u32				minorversion;
	u32				opcnt;
	struct nfsd4_op			*ops;
	struct nfsd4_op			iops[8];
};

struct nfsd4_compoundres {
	/* scratch variables for XDR encode */
	__be32 *			p;
	__be32 *			end;
	struct xdr_buf *		xbuf;
	struct svc_rqst *		rqstp;

	u32				taglen;
	char *				tag;
	u32				opcnt;
	__be32 *			tagp; /* tag, opcount encode location */
	struct nfsd4_compound_state	cstate;
};

#define NFS4_SVC_XDRSIZE		sizeof(struct nfsd4_compoundargs)

static inline void
set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
{
	BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
	cinfo->atomic = 1;
	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
	cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
	cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
}

int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
		struct nfsd4_compoundargs *);
int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
		struct nfsd4_compoundres *);
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
		       struct dentry *dentry, __be32 *buffer, int *countp,
		       u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_setclientid *setclid);
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_setclientid_confirm *setclientid_confirm);
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
struct nfsd4_exchange_id *);
		extern __be32 nfsd4_create_session(struct svc_rqst *,
		struct nfsd4_compound_state *,
		struct nfsd4_create_session *);
extern __be32 nfsd4_sequence(struct svc_rqst *,
		struct nfsd4_compound_state *,
		struct nfsd4_sequence *);
extern __be32 nfsd4_destroy_session(struct svc_rqst *,
		struct nfsd4_compound_state *,
		struct nfsd4_destroy_session *);
extern __be32 nfsd4_process_open1(struct nfsd4_open *open);
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
		struct svc_fh *current_fh, struct nfsd4_open *open);
extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
extern __be32 nfsd4_close(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_close *close);
extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_open_downgrade *od);
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
		struct nfsd4_lock *lock);
extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_lockt *lockt);
extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_locku *locku);
extern __be32
nfsd4_release_lockowner(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_release_lockowner *rlockowner);
extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
			  struct nfsd4_compound_state *, clientid_t *clid);
#endif

/*
 * Local variables:
 *  c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/linux/nfsd/xdr4.h
	3	*
	4	* Server-side types for NFSv4.
	5	*
	6	* Copyright (c) 2002 The Regents of the University of Michigan.
	7	* All rights reserved.
	8	*
	9	* Kendrick Smith <kmsmith@umich.edu>
	10	* Andy Adamson <andros@umich.edu>
	11	*
	12	* Redistribution and use in source and binary forms, with or without
	13	* modification, are permitted provided that the following conditions
	14	* are met:
	15	*
	16	* 1. Redistributions of source code must retain the above copyright
	17	* notice, this list of conditions and the following disclaimer.
	18	* 2. Redistributions in binary form must reproduce the above copyright
	19	* notice, this list of conditions and the following disclaimer in the
	20	* documentation and/or other materials provided with the distribution.
	21	* 3. Neither the name of the University nor the names of its
	22	* contributors may be used to endorse or promote products derived
	23	* from this software without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	26	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	27	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	28	* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	30	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	31	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	32	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	33	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	34	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	35	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	36	*
	37	*/
	38
	39	#ifndef _LINUX_NFSD_XDR4_H
	40	#define _LINUX_NFSD_XDR4_H
	41
	42	#include <linux/nfs4.h>
	43
	44	#define NFSD4_MAX_TAGLEN 128
	45	#define XDR_LEN(n) (((n) + 3) & ~3)
	46
ca364317	47	struct nfsd4_compound_state {
e354d571 AA	48	struct svc_fh current_fh;
	49	struct svc_fh save_fh;
	50	struct nfs4_stateowner *replay_owner;
b85d4c01 BH	51	/* For sessions DRC */
	52	struct nfsd4_session *session;
	53	struct nfsd4_slot *slot;
ca364317 BF	54	};
ca364317 BF	55
1da177e4 LT	56	struct nfsd4_change_info {
	57	u32 atomic;
	58	u32 before_ctime_sec;
	59	u32 before_ctime_nsec;
	60	u32 after_ctime_sec;
	61	u32 after_ctime_nsec;
	62	};
	63
	64	struct nfsd4_access {
	65	u32 ac_req_access; /* request */
	66	u32 ac_supported; /* response */
	67	u32 ac_resp_access; /* response */
	68	};
	69
	70	struct nfsd4_close {
	71	u32 cl_seqid; /* request */
	72	stateid_t cl_stateid; /* request+response */
	73	struct nfs4_stateowner * cl_stateowner; /* response */
	74	};
	75
	76	struct nfsd4_commit {
	77	u64 co_offset; /* request */
	78	u32 co_count; /* request */
	79	nfs4_verifier co_verf; /* response */
	80	};
	81
	82	struct nfsd4_create {
	83	u32 cr_namelen; /* request */
	84	char * cr_name; /* request */
	85	u32 cr_type; /* request */
	86	union { /* request */
	87	struct {
	88	u32 namelen;
	89	char *name;
	90	} link; /* NF4LNK */
	91	struct {
	92	u32 specdata1;
	93	u32 specdata2;
	94	} dev; /* NF4BLK, NF4CHR */
	95	} u;
	96	u32 cr_bmval[2]; /* request */
	97	struct iattr cr_iattr; /* request */
	98	struct nfsd4_change_info cr_cinfo; /* response */
	99	struct nfs4_acl *cr_acl;
	100	};
	101	#define cr_linklen u.link.namelen
	102	#define cr_linkname u.link.name
	103	#define cr_specdata1 u.dev.specdata1
	104	#define cr_specdata2 u.dev.specdata2
	105
	106	struct nfsd4_delegreturn {
	107	stateid_t dr_stateid;
	108	};
	109
	110	struct nfsd4_getattr {
	111	u32 ga_bmval[2]; /* request */
	112	struct svc_fh ga_fhp; / response */
	113	};
	114
	115	struct nfsd4_link {
	116	u32 li_namelen; /* request */
	117	char * li_name; /* request */
	118	struct nfsd4_change_info li_cinfo; /* response */
	119	};
120
121	struct nfsd4_lock_denied {
122	clientid_t ld_clientid;
123	struct nfs4_stateowner *ld_sop;
124	u64 ld_start;
125	u64 ld_length;
126	u32 ld_type;
127	};
128
129	struct nfsd4_lock {
130	/* request */
131	u32 lk_type;
132	u32 lk_reclaim; /* boolean */
133	u64 lk_offset;
134	u64 lk_length;
135	u32 lk_is_new;
136	union {
137	struct {
138	u32 open_seqid;
139	stateid_t open_stateid;
140	u32 lock_seqid;
141	clientid_t clientid;
142	struct xdr_netobj owner;
143	} new;
144	struct {
145	stateid_t lock_stateid;
146	u32 lock_seqid;
147	} old;
148	} v;
149
150	/* response */
151	union {
152	struct {
153	stateid_t stateid;
154	} ok;
155	struct nfsd4_lock_denied denied;
156	} u;
3a65588a BF	157	/* The lk_replay_owner is the open owner in the open_to_lock_owner
	158	* case and the lock owner otherwise: */
	159	struct nfs4_stateowner *lk_replay_owner;
1da177e4 LT	160	};
	161	#define lk_new_open_seqid v.new.open_seqid
	162	#define lk_new_open_stateid v.new.open_stateid
	163	#define lk_new_lock_seqid v.new.lock_seqid
	164	#define lk_new_clientid v.new.clientid
	165	#define lk_new_owner v.new.owner
	166	#define lk_old_lock_stateid v.old.lock_stateid
	167	#define lk_old_lock_seqid v.old.lock_seqid
	168
	169	#define lk_rflags u.ok.rflags
	170	#define lk_resp_stateid u.ok.stateid
	171	#define lk_denied u.denied
	172
	173
	174	struct nfsd4_lockt {
	175	u32 lt_type;
	176	clientid_t lt_clientid;
	177	struct xdr_netobj lt_owner;
	178	u64 lt_offset;
	179	u64 lt_length;
	180	struct nfs4_stateowner * lt_stateowner;
	181	struct nfsd4_lock_denied lt_denied;
	182	};
	183
	184
	185	struct nfsd4_locku {
	186	u32 lu_type;
	187	u32 lu_seqid;
	188	stateid_t lu_stateid;
	189	u64 lu_offset;
	190	u64 lu_length;
	191	struct nfs4_stateowner *lu_stateowner;
	192	};
	193
	194
	195	struct nfsd4_lookup {
	196	u32 lo_len; /* request */
	197	char * lo_name; /* request */
	198	};
	199
	200	struct nfsd4_putfh {
	201	u32 pf_fhlen; /* request */
	202	char pf_fhval; / request */
	203	};
	204
	205	struct nfsd4_open {
	206	u32 op_claim_type; /* request */
	207	struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
	208	u32 op_delegate_type; /* request - CLAIM_PREV only */
	209	stateid_t op_delegate_stateid; /* request - response */
	210	u32 op_create; /* request */
	211	u32 op_createmode; /* request */
	212	u32 op_bmval[2]; /* request */
	213	union { /* request */
	214	struct iattr iattr; /* UNCHECKED4,GUARDED4 */
	215	nfs4_verifier verf; /* EXCLUSIVE4 */
	216	} u;
	217	clientid_t op_clientid; /* request */
	218	struct xdr_netobj op_owner; /* request */
	219	u32 op_seqid; /* request */
	220	u32 op_share_access; /* request */
	221	u32 op_share_deny; /* request */
	222	stateid_t op_stateid; /* response */
7b190fec	223	u32 op_recall; /* recall */
1da177e4 LT	224	struct nfsd4_change_info op_cinfo; /* response */
	225	u32 op_rflags; /* response */
	226	int op_truncate; /* used during processing */
	227	struct nfs4_stateowner op_stateowner; / used during processing */
	228	struct nfs4_acl *op_acl;
	229	};
	230	#define op_iattr u.iattr
	231	#define op_verf u.verf
	232
	233	struct nfsd4_open_confirm {
	234	stateid_t oc_req_stateid /* request */;
	235	u32 oc_seqid /* request */;
	236	stateid_t oc_resp_stateid /* response */;
	237	struct nfs4_stateowner * oc_stateowner; /* response */
	238	};
	239
	240	struct nfsd4_open_downgrade {
	241	stateid_t od_stateid;
	242	u32 od_seqid;
	243	u32 od_share_access;
	244	u32 od_share_deny;
	245	struct nfs4_stateowner *od_stateowner;
	246	};
	247
	248
	249	struct nfsd4_read {
	250	stateid_t rd_stateid; /* request */
	251	u64 rd_offset; /* request */
	252	u32 rd_length; /* request */
1da177e4 LT	253	int rd_vlen;
	254	struct file *rd_filp;
	255
	256	struct svc_rqst rd_rqstp; / response */
	257	struct svc_fh * rd_fhp; /* response */
	258	};
	259
	260	struct nfsd4_readdir {
	261	u64 rd_cookie; /* request */
	262	nfs4_verifier rd_verf; /* request */
	263	u32 rd_dircount; /* request */
	264	u32 rd_maxcount; /* request */
	265	u32 rd_bmval[2]; /* request */
	266	struct svc_rqst rd_rqstp; / response */
	267	struct svc_fh * rd_fhp; /* response */
	268
	269	struct readdir_cd common;
2ebbc012	270	__be32 * buffer;
1da177e4	271	int buflen;
2ebbc012	272	__be32 * offset;
1da177e4 LT	273	};
	274
	275	struct nfsd4_release_lockowner {
	276	clientid_t rl_clientid;
	277	struct xdr_netobj rl_owner;
	278	};
	279	struct nfsd4_readlink {
	280	struct svc_rqst rl_rqstp; / request */
	281	struct svc_fh * rl_fhp; /* request */
	282	};
	283
	284	struct nfsd4_remove {
	285	u32 rm_namelen; /* request */
	286	char * rm_name; /* request */
	287	struct nfsd4_change_info rm_cinfo; /* response */
	288	};
	289
	290	struct nfsd4_rename {
	291	u32 rn_snamelen; /* request */
	292	char * rn_sname; /* request */
	293	u32 rn_tnamelen; /* request */
	294	char * rn_tname; /* request */
	295	struct nfsd4_change_info rn_sinfo; /* response */
	296	struct nfsd4_change_info rn_tinfo; /* response */
	297	};
	298
dcb488a3 AA	299	struct nfsd4_secinfo {
	300	u32 si_namelen; /* request */
	301	char si_name; / request */
	302	struct svc_export si_exp; / response */
	303	};
	304
1da177e4 LT	305	struct nfsd4_setattr {
	306	stateid_t sa_stateid; /* request */
	307	u32 sa_bmval[2]; /* request */
	308	struct iattr sa_iattr; /* request */
	309	struct nfs4_acl *sa_acl;
	310	};
	311
	312	struct nfsd4_setclientid {
	313	nfs4_verifier se_verf; /* request */
	314	u32 se_namelen; /* request */
	315	char * se_name; /* request */
	316	u32 se_callback_prog; /* request */
	317	u32 se_callback_netid_len; /* request */
	318	char * se_callback_netid_val; /* request */
	319	u32 se_callback_addr_len; /* request */
	320	char * se_callback_addr_val; /* request */
	321	u32 se_callback_ident; /* request */
	322	clientid_t se_clientid; /* response */
	323	nfs4_verifier se_confirm; /* response */
	324	};
	325
	326	struct nfsd4_setclientid_confirm {
	327	clientid_t sc_clientid;
	328	nfs4_verifier sc_confirm;
	329	};
	330
	331	/* also used for NVERIFY */
	332	struct nfsd4_verify {
	333	u32 ve_bmval[2]; /* request */
	334	u32 ve_attrlen; /* request */
	335	char * ve_attrval; /* request */
	336	};
	337
	338	struct nfsd4_write {
	339	stateid_t wr_stateid; /* request */
	340	u64 wr_offset; /* request */
	341	u32 wr_stable_how; /* request */
	342	u32 wr_buflen; /* request */
1da177e4 LT	343	int wr_vlen;
	344
	345	u32 wr_bytes_written; /* response */
	346	u32 wr_how_written; /* response */
	347	nfs4_verifier wr_verifier; /* response */
	348	};
	349
2db134eb	350	struct nfsd4_exchange_id {
0733d213 AA	351	nfs4_verifier verifier;
	352	struct xdr_netobj clname;
	353	u32 flags;
	354	clientid_t clientid;
	355	u32 seqid;
	356	int spa_how;
2db134eb AA	357	};
	358
	359	struct nfsd4_create_session {
	360	int foo; /* stub */
	361	};
	362
	363	struct nfsd4_sequence {
b85d4c01 BH	364	struct nfs4_sessionid sessionid; /* request/response */
	365	u32 seqid; /* request/response */
	366	u32 slotid; /* request/response */
	367	u32 maxslots; /* request/response */
	368	u32 cachethis; /* request */
	369	#if 0
	370	u32 target_maxslots; /* response */
	371	u32 status_flags; /* response */
	372	#endif /* not yet */
2db134eb AA	373	};
	374
	375	struct nfsd4_destroy_session {
	376	int foo; /* stub */
	377	};
	378
1da177e4 LT	379	struct nfsd4_op {
1da177e4 LT	380	int opnum;
b37ad28b	381	__be32 status;
1da177e4 LT	382	union {
	383	struct nfsd4_access access;
	384	struct nfsd4_close close;
	385	struct nfsd4_commit commit;
	386	struct nfsd4_create create;
	387	struct nfsd4_delegreturn delegreturn;
	388	struct nfsd4_getattr getattr;
	389	struct svc_fh * getfh;
	390	struct nfsd4_link link;
	391	struct nfsd4_lock lock;
	392	struct nfsd4_lockt lockt;
	393	struct nfsd4_locku locku;
	394	struct nfsd4_lookup lookup;
	395	struct nfsd4_verify nverify;
	396	struct nfsd4_open open;
	397	struct nfsd4_open_confirm open_confirm;
	398	struct nfsd4_open_downgrade open_downgrade;
	399	struct nfsd4_putfh putfh;
	400	struct nfsd4_read read;
	401	struct nfsd4_readdir readdir;
	402	struct nfsd4_readlink readlink;
	403	struct nfsd4_remove remove;
	404	struct nfsd4_rename rename;
	405	clientid_t renew;
dcb488a3	406	struct nfsd4_secinfo secinfo;
1da177e4 LT	407	struct nfsd4_setattr setattr;
	408	struct nfsd4_setclientid setclientid;
	409	struct nfsd4_setclientid_confirm setclientid_confirm;
	410	struct nfsd4_verify verify;
	411	struct nfsd4_write write;
	412	struct nfsd4_release_lockowner release_lockowner;
2db134eb AA	413
	414	/* NFSv4.1 */
	415	struct nfsd4_exchange_id exchange_id;
	416	struct nfsd4_create_session create_session;
	417	struct nfsd4_destroy_session destroy_session;
	418	struct nfsd4_sequence sequence;
1da177e4 LT	419	} u;
	420	struct nfs4_replay * replay;
	421	};
	422
	423	struct nfsd4_compoundargs {
	424	/* scratch variables for XDR decode */
2ebbc012 AV	425	__be32 * p;
2ebbc012 AV	426	__be32 * end;
1da177e4 LT	427	struct page ** pagelist;
1da177e4 LT	428	int pagelen;
2ebbc012 AV	429	__be32 tmp[8];
2ebbc012 AV	430	__be32 * tmpp;
1da177e4 LT	431	struct tmpbuf {
	432	struct tmpbuf *next;
	433	void (release)(const void );
	434	void *buf;
	435	} *to_free;
	436
	437	struct svc_rqst *rqstp;
	438
	439	u32 taglen;
	440	char * tag;
	441	u32 minorversion;
	442	u32 opcnt;
	443	struct nfsd4_op *ops;
	444	struct nfsd4_op iops[8];
	445	};
	446
	447	struct nfsd4_compoundres {
	448	/* scratch variables for XDR encode */
2ebbc012 AV	449	__be32 * p;
2ebbc012 AV	450	__be32 * end;
1da177e4 LT	451	struct xdr_buf * xbuf;
	452	struct svc_rqst * rqstp;
	453
	454	u32 taglen;
	455	char * tag;
	456	u32 opcnt;
e354d571 AA	457	__be32 * tagp; /* tag, opcount encode location */
e354d571 AA	458	struct nfsd4_compound_state cstate;
1da177e4 LT	459	};
	460
	461	#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
	462
	463	static inline void
	464	set_change_info(struct nfsd4_change_info cinfo, struct svc_fh fhp)
	465	{
	466	BUG_ON(!fhp->fh_pre_saved \|\| !fhp->fh_post_saved);
	467	cinfo->atomic = 1;
	468	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
	469	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
40ee5dc6 PS	470	cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
40ee5dc6 PS	471	cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
1da177e4 LT	472	}
1da177e4 LT	473
2ebbc012 AV	474	int nfs4svc_encode_voidres(struct svc_rqst , __be32 , void *);
2ebbc012 AV	475	int nfs4svc_decode_compoundargs(struct svc_rqst , __be32 ,
1da177e4	476	struct nfsd4_compoundargs *);
2ebbc012	477	int nfs4svc_encode_compoundres(struct svc_rqst , __be32 ,
1da177e4 LT	478	struct nfsd4_compoundres *);
	479	void nfsd4_encode_operation(struct nfsd4_compoundres , struct nfsd4_op );
	480	void nfsd4_encode_replay(struct nfsd4_compoundres resp, struct nfsd4_op op);
b37ad28b AV	481	__be32 nfsd4_encode_fattr(struct svc_fh fhp, struct svc_export exp,
b37ad28b AV	482	struct dentry dentry, __be32 buffer, int *countp,
406a7ea9	483	u32 bmval, struct svc_rqst , int ignore_crossmnt);
b37ad28b	484	extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
b591480b	485	struct nfsd4_compound_state *,
1da177e4	486	struct nfsd4_setclientid *setclid);
b37ad28b	487	extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
b591480b	488	struct nfsd4_compound_state *,
1da177e4	489	struct nfsd4_setclientid_confirm *setclientid_confirm);
069b6ad4 AA	490	extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
	491	struct nfsd4_compound_state *,
	492	struct nfsd4_exchange_id *);
	493	extern __be32 nfsd4_create_session(struct svc_rqst *,
	494	struct nfsd4_compound_state *,
	495	struct nfsd4_create_session *);
	496	extern __be32 nfsd4_sequence(struct svc_rqst *,
	497	struct nfsd4_compound_state *,
	498	struct nfsd4_sequence *);
	499	extern __be32 nfsd4_destroy_session(struct svc_rqst *,
	500	struct nfsd4_compound_state *,
	501	struct nfsd4_destroy_session *);
b37ad28b AV	502	extern __be32 nfsd4_process_open1(struct nfsd4_open *open);
b37ad28b AV	503	extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
1da177e4	504	struct svc_fh current_fh, struct nfsd4_open open);
b37ad28b	505	extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
a4f1706a	506	struct nfsd4_compound_state , struct nfsd4_open_confirm oc);
ca364317 BF	507	extern __be32 nfsd4_close(struct svc_rqst *rqstp,
ca364317 BF	508	struct nfsd4_compound_state *,
a4f1706a	509	struct nfsd4_close *close);
b37ad28b	510	extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
a4f1706a BF	511	struct nfsd4_compound_state *,
a4f1706a BF	512	struct nfsd4_open_downgrade *od);
ca364317	513	extern __be32 nfsd4_lock(struct svc_rqst rqstp, struct nfsd4_compound_state ,
a4f1706a	514	struct nfsd4_lock *lock);
ca364317 BF	515	extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
ca364317 BF	516	struct nfsd4_compound_state *,
1da177e4	517	struct nfsd4_lockt *lockt);
ca364317 BF	518	extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
ca364317 BF	519	struct nfsd4_compound_state *,
a4f1706a	520	struct nfsd4_locku *locku);
b37ad28b	521	extern __be32
1da177e4	522	nfsd4_release_lockowner(struct svc_rqst *rqstp,
b591480b	523	struct nfsd4_compound_state *,
1da177e4 LT	524	struct nfsd4_release_lockowner *rlockowner);
1da177e4 LT	525	extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
b37ad28b	526	extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
ca364317	527	struct nfsd4_compound_state , struct nfsd4_delegreturn dr);
b591480b BF	528	extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
b591480b BF	529	struct nfsd4_compound_state , clientid_t clid);
1da177e4 LT	530	#endif
	531
	532	/*
	533	* Local variables:
	534	* c-basic-offset: 8
	535	* End:
	536	*/