[linux-2.6-block.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 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_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_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_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;
	} 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; /* where to encode tag and  opcount */
};

#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_ctime.tv_sec;
	cinfo->after_ctime_nsec = fhp->fh_post_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 *);
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
		struct nfsd4_setclientid *setclid);
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
		struct nfsd4_setclientid_confirm *setclientid_confirm);
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,
		struct nfs4_stateowner **);
extern __be32 nfsd4_close(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *,
		struct nfsd4_close *close,
		struct nfs4_stateowner **replay_owner);
extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
		struct nfsd4_compound_state *, struct nfsd4_open_downgrade *od,
		struct nfs4_stateowner **replay_owner);
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
		struct nfsd4_lock *lock,
		struct nfs4_stateowner **replay_owner);
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,
		struct nfs4_stateowner **replay_owner);
extern __be32
nfsd4_release_lockowner(struct svc_rqst *rqstp,
		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);
#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 BF	47	struct nfsd4_compound_state {
	48	struct svc_fh current_fh;
	49	struct svc_fh save_fh;
	50	};
	51
1da177e4 LT	52	struct nfsd4_change_info {
	53	u32 atomic;
	54	u32 before_ctime_sec;
	55	u32 before_ctime_nsec;
	56	u32 after_ctime_sec;
	57	u32 after_ctime_nsec;
	58	};
	59
	60	struct nfsd4_access {
	61	u32 ac_req_access; /* request */
	62	u32 ac_supported; /* response */
	63	u32 ac_resp_access; /* response */
	64	};
	65
	66	struct nfsd4_close {
	67	u32 cl_seqid; /* request */
	68	stateid_t cl_stateid; /* request+response */
	69	struct nfs4_stateowner * cl_stateowner; /* response */
	70	};
	71
	72	struct nfsd4_commit {
	73	u64 co_offset; /* request */
	74	u32 co_count; /* request */
	75	nfs4_verifier co_verf; /* response */
	76	};
	77
	78	struct nfsd4_create {
	79	u32 cr_namelen; /* request */
	80	char * cr_name; /* request */
	81	u32 cr_type; /* request */
	82	union { /* request */
	83	struct {
	84	u32 namelen;
	85	char *name;
	86	} link; /* NF4LNK */
	87	struct {
	88	u32 specdata1;
	89	u32 specdata2;
	90	} dev; /* NF4BLK, NF4CHR */
	91	} u;
	92	u32 cr_bmval[2]; /* request */
	93	struct iattr cr_iattr; /* request */
	94	struct nfsd4_change_info cr_cinfo; /* response */
	95	struct nfs4_acl *cr_acl;
	96	};
	97	#define cr_linklen u.link.namelen
	98	#define cr_linkname u.link.name
	99	#define cr_specdata1 u.dev.specdata1
	100	#define cr_specdata2 u.dev.specdata2
	101
	102	struct nfsd4_delegreturn {
	103	stateid_t dr_stateid;
	104	};
	105
	106	struct nfsd4_getattr {
	107	u32 ga_bmval[2]; /* request */
	108	struct svc_fh ga_fhp; / response */
	109	};
	110
	111	struct nfsd4_link {
	112	u32 li_namelen; /* request */
	113	char * li_name; /* request */
	114	struct nfsd4_change_info li_cinfo; /* response */
	115	};
116
117	struct nfsd4_lock_denied {
118	clientid_t ld_clientid;
119	struct nfs4_stateowner *ld_sop;
120	u64 ld_start;
121	u64 ld_length;
122	u32 ld_type;
123	};
124
125	struct nfsd4_lock {
126	/* request */
127	u32 lk_type;
128	u32 lk_reclaim; /* boolean */
129	u64 lk_offset;
130	u64 lk_length;
131	u32 lk_is_new;
132	union {
133	struct {
134	u32 open_seqid;
135	stateid_t open_stateid;
136	u32 lock_seqid;
137	clientid_t clientid;
138	struct xdr_netobj owner;
139	} new;
140	struct {
141	stateid_t lock_stateid;
142	u32 lock_seqid;
143	} old;
144	} v;
145
146	/* response */
147	union {
148	struct {
149	stateid_t stateid;
150	} ok;
151	struct nfsd4_lock_denied denied;
152	} u;
3a65588a BF	153	/* The lk_replay_owner is the open owner in the open_to_lock_owner
	154	* case and the lock owner otherwise: */
	155	struct nfs4_stateowner *lk_replay_owner;
1da177e4 LT	156	};
	157	#define lk_new_open_seqid v.new.open_seqid
	158	#define lk_new_open_stateid v.new.open_stateid
	159	#define lk_new_lock_seqid v.new.lock_seqid
	160	#define lk_new_clientid v.new.clientid
	161	#define lk_new_owner v.new.owner
	162	#define lk_old_lock_stateid v.old.lock_stateid
	163	#define lk_old_lock_seqid v.old.lock_seqid
	164
	165	#define lk_rflags u.ok.rflags
	166	#define lk_resp_stateid u.ok.stateid
	167	#define lk_denied u.denied
	168
	169
	170	struct nfsd4_lockt {
	171	u32 lt_type;
	172	clientid_t lt_clientid;
	173	struct xdr_netobj lt_owner;
	174	u64 lt_offset;
	175	u64 lt_length;
	176	struct nfs4_stateowner * lt_stateowner;
	177	struct nfsd4_lock_denied lt_denied;
	178	};
	179
	180
	181	struct nfsd4_locku {
	182	u32 lu_type;
	183	u32 lu_seqid;
	184	stateid_t lu_stateid;
	185	u64 lu_offset;
	186	u64 lu_length;
	187	struct nfs4_stateowner *lu_stateowner;
	188	};
	189
	190
	191	struct nfsd4_lookup {
	192	u32 lo_len; /* request */
	193	char * lo_name; /* request */
	194	};
	195
	196	struct nfsd4_putfh {
	197	u32 pf_fhlen; /* request */
	198	char pf_fhval; / request */
	199	};
	200
	201	struct nfsd4_open {
	202	u32 op_claim_type; /* request */
	203	struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
	204	u32 op_delegate_type; /* request - CLAIM_PREV only */
	205	stateid_t op_delegate_stateid; /* request - response */
	206	u32 op_create; /* request */
	207	u32 op_createmode; /* request */
	208	u32 op_bmval[2]; /* request */
	209	union { /* request */
	210	struct iattr iattr; /* UNCHECKED4,GUARDED4 */
	211	nfs4_verifier verf; /* EXCLUSIVE4 */
	212	} u;
	213	clientid_t op_clientid; /* request */
	214	struct xdr_netobj op_owner; /* request */
	215	u32 op_seqid; /* request */
	216	u32 op_share_access; /* request */
	217	u32 op_share_deny; /* request */
	218	stateid_t op_stateid; /* response */
7b190fec	219	u32 op_recall; /* recall */
1da177e4 LT	220	struct nfsd4_change_info op_cinfo; /* response */
	221	u32 op_rflags; /* response */
	222	int op_truncate; /* used during processing */
	223	struct nfs4_stateowner op_stateowner; / used during processing */
	224	struct nfs4_acl *op_acl;
	225	};
	226	#define op_iattr u.iattr
	227	#define op_verf u.verf
	228
	229	struct nfsd4_open_confirm {
	230	stateid_t oc_req_stateid /* request */;
	231	u32 oc_seqid /* request */;
	232	stateid_t oc_resp_stateid /* response */;
	233	struct nfs4_stateowner * oc_stateowner; /* response */
	234	};
	235
	236	struct nfsd4_open_downgrade {
	237	stateid_t od_stateid;
	238	u32 od_seqid;
	239	u32 od_share_access;
	240	u32 od_share_deny;
	241	struct nfs4_stateowner *od_stateowner;
	242	};
	243
	244
	245	struct nfsd4_read {
	246	stateid_t rd_stateid; /* request */
	247	u64 rd_offset; /* request */
	248	u32 rd_length; /* request */
1da177e4 LT	249	int rd_vlen;
	250	struct file *rd_filp;
	251
	252	struct svc_rqst rd_rqstp; / response */
	253	struct svc_fh * rd_fhp; /* response */
	254	};
	255
	256	struct nfsd4_readdir {
	257	u64 rd_cookie; /* request */
	258	nfs4_verifier rd_verf; /* request */
	259	u32 rd_dircount; /* request */
	260	u32 rd_maxcount; /* request */
	261	u32 rd_bmval[2]; /* request */
	262	struct svc_rqst rd_rqstp; / response */
	263	struct svc_fh * rd_fhp; /* response */
	264
	265	struct readdir_cd common;
2ebbc012	266	__be32 * buffer;
1da177e4	267	int buflen;
2ebbc012	268	__be32 * offset;
1da177e4 LT	269	};
	270
	271	struct nfsd4_release_lockowner {
	272	clientid_t rl_clientid;
	273	struct xdr_netobj rl_owner;
	274	};
	275	struct nfsd4_readlink {
	276	struct svc_rqst rl_rqstp; / request */
	277	struct svc_fh * rl_fhp; /* request */
	278	};
	279
	280	struct nfsd4_remove {
	281	u32 rm_namelen; /* request */
	282	char * rm_name; /* request */
	283	struct nfsd4_change_info rm_cinfo; /* response */
	284	};
	285
	286	struct nfsd4_rename {
	287	u32 rn_snamelen; /* request */
	288	char * rn_sname; /* request */
	289	u32 rn_tnamelen; /* request */
	290	char * rn_tname; /* request */
	291	struct nfsd4_change_info rn_sinfo; /* response */
	292	struct nfsd4_change_info rn_tinfo; /* response */
	293	};
	294
	295	struct nfsd4_setattr {
	296	stateid_t sa_stateid; /* request */
	297	u32 sa_bmval[2]; /* request */
	298	struct iattr sa_iattr; /* request */
	299	struct nfs4_acl *sa_acl;
	300	};
	301
	302	struct nfsd4_setclientid {
	303	nfs4_verifier se_verf; /* request */
	304	u32 se_namelen; /* request */
	305	char * se_name; /* request */
	306	u32 se_callback_prog; /* request */
	307	u32 se_callback_netid_len; /* request */
	308	char * se_callback_netid_val; /* request */
	309	u32 se_callback_addr_len; /* request */
	310	char * se_callback_addr_val; /* request */
	311	u32 se_callback_ident; /* request */
	312	clientid_t se_clientid; /* response */
	313	nfs4_verifier se_confirm; /* response */
	314	};
	315
	316	struct nfsd4_setclientid_confirm {
	317	clientid_t sc_clientid;
	318	nfs4_verifier sc_confirm;
	319	};
	320
	321	/* also used for NVERIFY */
	322	struct nfsd4_verify {
	323	u32 ve_bmval[2]; /* request */
	324	u32 ve_attrlen; /* request */
	325	char * ve_attrval; /* request */
	326	};
	327
	328	struct nfsd4_write {
	329	stateid_t wr_stateid; /* request */
	330	u64 wr_offset; /* request */
	331	u32 wr_stable_how; /* request */
	332	u32 wr_buflen; /* request */
1da177e4 LT	333	int wr_vlen;
	334
	335	u32 wr_bytes_written; /* response */
	336	u32 wr_how_written; /* response */
	337	nfs4_verifier wr_verifier; /* response */
	338	};
	339
	340	struct nfsd4_op {
	341	int opnum;
b37ad28b	342	__be32 status;
1da177e4 LT	343	union {
	344	struct nfsd4_access access;
	345	struct nfsd4_close close;
	346	struct nfsd4_commit commit;
	347	struct nfsd4_create create;
	348	struct nfsd4_delegreturn delegreturn;
	349	struct nfsd4_getattr getattr;
	350	struct svc_fh * getfh;
	351	struct nfsd4_link link;
	352	struct nfsd4_lock lock;
	353	struct nfsd4_lockt lockt;
	354	struct nfsd4_locku locku;
	355	struct nfsd4_lookup lookup;
	356	struct nfsd4_verify nverify;
	357	struct nfsd4_open open;
	358	struct nfsd4_open_confirm open_confirm;
	359	struct nfsd4_open_downgrade open_downgrade;
	360	struct nfsd4_putfh putfh;
	361	struct nfsd4_read read;
	362	struct nfsd4_readdir readdir;
	363	struct nfsd4_readlink readlink;
	364	struct nfsd4_remove remove;
	365	struct nfsd4_rename rename;
	366	clientid_t renew;
	367	struct nfsd4_setattr setattr;
	368	struct nfsd4_setclientid setclientid;
	369	struct nfsd4_setclientid_confirm setclientid_confirm;
	370	struct nfsd4_verify verify;
	371	struct nfsd4_write write;
	372	struct nfsd4_release_lockowner release_lockowner;
	373	} u;
	374	struct nfs4_replay * replay;
	375	};
	376
	377	struct nfsd4_compoundargs {
	378	/* scratch variables for XDR decode */
2ebbc012 AV	379	__be32 * p;
2ebbc012 AV	380	__be32 * end;
1da177e4 LT	381	struct page ** pagelist;
1da177e4 LT	382	int pagelen;
2ebbc012 AV	383	__be32 tmp[8];
2ebbc012 AV	384	__be32 * tmpp;
1da177e4 LT	385	struct tmpbuf {
	386	struct tmpbuf *next;
	387	void (release)(const void );
	388	void *buf;
	389	} *to_free;
	390
	391	struct svc_rqst *rqstp;
	392
	393	u32 taglen;
	394	char * tag;
	395	u32 minorversion;
	396	u32 opcnt;
	397	struct nfsd4_op *ops;
	398	struct nfsd4_op iops[8];
	399	};
	400
	401	struct nfsd4_compoundres {
	402	/* scratch variables for XDR encode */
2ebbc012 AV	403	__be32 * p;
2ebbc012 AV	404	__be32 * end;
1da177e4 LT	405	struct xdr_buf * xbuf;
	406	struct svc_rqst * rqstp;
	407
	408	u32 taglen;
	409	char * tag;
	410	u32 opcnt;
2ebbc012	411	__be32 * tagp; /* where to encode tag and opcount */
1da177e4 LT	412	};
	413
	414	#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
	415
	416	static inline void
	417	set_change_info(struct nfsd4_change_info cinfo, struct svc_fh fhp)
	418	{
	419	BUG_ON(!fhp->fh_pre_saved \|\| !fhp->fh_post_saved);
	420	cinfo->atomic = 1;
	421	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
	422	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
	423	cinfo->after_ctime_sec = fhp->fh_post_ctime.tv_sec;
	424	cinfo->after_ctime_nsec = fhp->fh_post_ctime.tv_nsec;
	425	}
	426
2ebbc012 AV	427	int nfs4svc_encode_voidres(struct svc_rqst , __be32 , void *);
2ebbc012 AV	428	int nfs4svc_decode_compoundargs(struct svc_rqst , __be32 ,
1da177e4	429	struct nfsd4_compoundargs *);
2ebbc012	430	int nfs4svc_encode_compoundres(struct svc_rqst , __be32 ,
1da177e4 LT	431	struct nfsd4_compoundres *);
	432	void nfsd4_encode_operation(struct nfsd4_compoundres , struct nfsd4_op );
	433	void nfsd4_encode_replay(struct nfsd4_compoundres resp, struct nfsd4_op op);
b37ad28b AV	434	__be32 nfsd4_encode_fattr(struct svc_fh fhp, struct svc_export exp,
b37ad28b AV	435	struct dentry dentry, __be32 buffer, int *countp,
1da177e4	436	u32 bmval, struct svc_rqst );
b37ad28b	437	extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
1da177e4	438	struct nfsd4_setclientid *setclid);
b37ad28b	439	extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
1da177e4	440	struct nfsd4_setclientid_confirm *setclientid_confirm);
b37ad28b AV	441	extern __be32 nfsd4_process_open1(struct nfsd4_open *open);
b37ad28b AV	442	extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
1da177e4	443	struct svc_fh current_fh, struct nfsd4_open open);
b37ad28b	444	extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
ca364317	445	struct nfsd4_compound_state , struct nfsd4_open_confirm oc,
f2327d9a	446	struct nfs4_stateowner **);
ca364317 BF	447	extern __be32 nfsd4_close(struct svc_rqst *rqstp,
ca364317 BF	448	struct nfsd4_compound_state *,
f2327d9a NB	449	struct nfsd4_close *close,
f2327d9a NB	450	struct nfs4_stateowner **replay_owner);
b37ad28b	451	extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
ca364317	452	struct nfsd4_compound_state , struct nfsd4_open_downgrade od,
f2327d9a	453	struct nfs4_stateowner **replay_owner);
ca364317	454	extern __be32 nfsd4_lock(struct svc_rqst rqstp, struct nfsd4_compound_state ,
f2327d9a NB	455	struct nfsd4_lock *lock,
f2327d9a NB	456	struct nfs4_stateowner **replay_owner);
ca364317 BF	457	extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
ca364317 BF	458	struct nfsd4_compound_state *,
1da177e4	459	struct nfsd4_lockt *lockt);
ca364317 BF	460	extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
ca364317 BF	461	struct nfsd4_compound_state *,
f2327d9a NB	462	struct nfsd4_locku *locku,
f2327d9a NB	463	struct nfs4_stateowner **replay_owner);
b37ad28b	464	extern __be32
1da177e4 LT	465	nfsd4_release_lockowner(struct svc_rqst *rqstp,
	466	struct nfsd4_release_lockowner *rlockowner);
	467	extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
b37ad28b	468	extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
ca364317	469	struct nfsd4_compound_state , struct nfsd4_delegreturn dr);
1da177e4 LT	470	#endif
	471
	472	/*
	473	* Local variables:
	474	* c-basic-offset: 8
	475	* End:
	476	*/