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