1/*
2 *  Server-side types for NFSv4.
3 *
4 *  Copyright (c) 2002 The Regents of the University of Michigan.
5 *  All rights reserved.
6 *
7 *  Kendrick Smith <kmsmith@umich.edu>
8 *  Andy Adamson   <andros@umich.edu>
9 *
10 *  Redistribution and use in source and binary forms, with or without
11 *  modification, are permitted provided that the following conditions
12 *  are met:
13 *
14 *  1. Redistributions of source code must retain the above copyright
15 *     notice, this list of conditions and the following disclaimer.
16 *  2. Redistributions in binary form must reproduce the above copyright
17 *     notice, this list of conditions and the following disclaimer in the
18 *     documentation and/or other materials provided with the distribution.
19 *  3. Neither the name of the University nor the names of its
20 *     contributors may be used to endorse or promote products derived
21 *     from this software without specific prior written permission.
22 *
23 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37#ifndef _LINUX_NFSD_XDR4_H
38#define _LINUX_NFSD_XDR4_H
39
40#include "state.h"
41#include "nfsd.h"
42
43#define NFSD4_MAX_TAGLEN	128
44#define XDR_LEN(n)                     (((n) + 3) & ~3)
45
46#define CURRENT_STATE_ID_FLAG (1<<0)
47#define SAVED_STATE_ID_FLAG (1<<1)
48
49#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
50#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
51#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
52
53struct nfsd4_compound_state {
54	struct svc_fh		current_fh;
55	struct svc_fh		save_fh;
56	struct nfs4_stateowner	*replay_owner;
57	struct nfs4_client	*clp;
58	/* For sessions DRC */
59	struct nfsd4_session	*session;
60	struct nfsd4_slot	*slot;
61	int			data_offset;
62	size_t			iovlen;
63	u32			minorversion;
64	__be32			status;
65	stateid_t	current_stateid;
66	stateid_t	save_stateid;
67	/* to indicate current and saved state id presents */
68	u32		sid_flags;
69};
70
71static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
72{
73	return cs->slot != NULL;
74}
75
76struct nfsd4_change_info {
77	u32		atomic;
78	bool		change_supported;
79	u32		before_ctime_sec;
80	u32		before_ctime_nsec;
81	u64		before_change;
82	u32		after_ctime_sec;
83	u32		after_ctime_nsec;
84	u64		after_change;
85};
86
87struct nfsd4_access {
88	u32		ac_req_access;      /* request */
89	u32		ac_supported;       /* response */
90	u32		ac_resp_access;     /* response */
91};
92
93struct nfsd4_close {
94	u32		cl_seqid;           /* request */
95	stateid_t	cl_stateid;         /* request+response */
96};
97
98struct nfsd4_commit {
99	u64		co_offset;          /* request */
100	u32		co_count;           /* request */
101	nfs4_verifier	co_verf;            /* response */
102};
103
104struct nfsd4_create {
105	u32		cr_namelen;         /* request */
106	char *		cr_name;            /* request */
107	u32		cr_type;            /* request */
108	union {                             /* request */
109		struct {
110			u32 datalen;
111			char *data;
112		} link;   /* NF4LNK */
113		struct {
114			u32 specdata1;
115			u32 specdata2;
116		} dev;    /* NF4BLK, NF4CHR */
117	} u;
118	u32		cr_bmval[3];        /* request */
119	struct iattr	cr_iattr;           /* request */
120	struct nfsd4_change_info  cr_cinfo; /* response */
121	struct nfs4_acl *cr_acl;
122	struct xdr_netobj cr_label;
123};
124#define cr_datalen	u.link.datalen
125#define cr_data		u.link.data
126#define cr_specdata1	u.dev.specdata1
127#define cr_specdata2	u.dev.specdata2
128
129struct nfsd4_delegreturn {
130	stateid_t	dr_stateid;
131};
132
133struct nfsd4_getattr {
134	u32		ga_bmval[3];        /* request */
135	struct svc_fh	*ga_fhp;            /* response */
136};
137
138struct nfsd4_link {
139	u32		li_namelen;         /* request */
140	char *		li_name;            /* request */
141	struct nfsd4_change_info  li_cinfo; /* response */
142};
143
144struct nfsd4_lock_denied {
145	clientid_t	ld_clientid;
146	struct xdr_netobj	ld_owner;
147	u64             ld_start;
148	u64             ld_length;
149	u32             ld_type;
150};
151
152struct nfsd4_lock {
153	/* request */
154	u32             lk_type;
155	u32             lk_reclaim;         /* boolean */
156	u64             lk_offset;
157	u64             lk_length;
158	u32             lk_is_new;
159	union {
160		struct {
161			u32             open_seqid;
162			stateid_t       open_stateid;
163			u32             lock_seqid;
164			clientid_t      clientid;
165			struct xdr_netobj owner;
166		} new;
167		struct {
168			stateid_t       lock_stateid;
169			u32             lock_seqid;
170		} old;
171	} v;
172
173	/* response */
174	union {
175		struct {
176			stateid_t               stateid;
177		} ok;
178		struct nfsd4_lock_denied        denied;
179	} u;
180};
181#define lk_new_open_seqid       v.new.open_seqid
182#define lk_new_open_stateid     v.new.open_stateid
183#define lk_new_lock_seqid       v.new.lock_seqid
184#define lk_new_clientid         v.new.clientid
185#define lk_new_owner            v.new.owner
186#define lk_old_lock_stateid     v.old.lock_stateid
187#define lk_old_lock_seqid       v.old.lock_seqid
188
189#define lk_resp_stateid u.ok.stateid
190#define lk_denied       u.denied
191
192
193struct nfsd4_lockt {
194	u32				lt_type;
195	clientid_t			lt_clientid;
196	struct xdr_netobj		lt_owner;
197	u64				lt_offset;
198	u64				lt_length;
199	struct nfsd4_lock_denied  	lt_denied;
200};
201
202
203struct nfsd4_locku {
204	u32             lu_type;
205	u32             lu_seqid;
206	stateid_t       lu_stateid;
207	u64             lu_offset;
208	u64             lu_length;
209};
210
211
212struct nfsd4_lookup {
213	u32		lo_len;             /* request */
214	char *		lo_name;            /* request */
215};
216
217struct nfsd4_putfh {
218	u32		pf_fhlen;           /* request */
219	char		*pf_fhval;          /* request */
220};
221
222struct nfsd4_open {
223	u32		op_claim_type;      /* request */
224	struct xdr_netobj op_fname;	    /* request - everything but CLAIM_PREV */
225	u32		op_delegate_type;   /* request - CLAIM_PREV only */
226	stateid_t       op_delegate_stateid; /* request - response */
227	u32		op_why_no_deleg;    /* response - DELEG_NONE_EXT only */
228	u32		op_create;     	    /* request */
229	u32		op_createmode;      /* request */
230	u32		op_bmval[3];        /* request */
231	struct iattr	op_iattr;           /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
232	nfs4_verifier	op_verf __attribute__((aligned(32)));
233					    /* EXCLUSIVE4 */
234	clientid_t	op_clientid;        /* request */
235	struct xdr_netobj op_owner;           /* request */
236	u32		op_seqid;           /* request */
237	u32		op_share_access;    /* request */
238	u32		op_share_deny;      /* request */
239	u32		op_deleg_want;      /* request */
240	stateid_t	op_stateid;         /* response */
241	__be32		op_xdr_error;       /* see nfsd4_open_omfg() */
242	u32		op_recall;          /* recall */
243	struct nfsd4_change_info  op_cinfo; /* response */
244	u32		op_rflags;          /* response */
245	bool		op_truncate;        /* used during processing */
246	bool		op_created;         /* used during processing */
247	struct nfs4_openowner *op_openowner; /* used during processing */
248	struct nfs4_file *op_file;          /* used during processing */
249	struct nfs4_ol_stateid *op_stp;	    /* used during processing */
250	struct nfs4_clnt_odstate *op_odstate; /* used during processing */
251	struct nfs4_acl *op_acl;
252	struct xdr_netobj op_label;
253};
254
255struct nfsd4_open_confirm {
256	stateid_t	oc_req_stateid		/* request */;
257	u32		oc_seqid    		/* request */;
258	stateid_t	oc_resp_stateid		/* response */;
259};
260
261struct nfsd4_open_downgrade {
262	stateid_t       od_stateid;
263	u32             od_seqid;
264	u32             od_share_access;	/* request */
265	u32		od_deleg_want;		/* request */
266	u32             od_share_deny;		/* request */
267};
268
269
270struct nfsd4_read {
271	stateid_t	rd_stateid;         /* request */
272	u64		rd_offset;          /* request */
273	u32		rd_length;          /* request */
274	int		rd_vlen;
275	struct file     *rd_filp;
276
277	struct svc_rqst *rd_rqstp;          /* response */
278	struct svc_fh * rd_fhp;             /* response */
279};
280
281struct nfsd4_readdir {
282	u64		rd_cookie;          /* request */
283	nfs4_verifier	rd_verf;            /* request */
284	u32		rd_dircount;        /* request */
285	u32		rd_maxcount;        /* request */
286	u32		rd_bmval[3];        /* request */
287	struct svc_rqst *rd_rqstp;          /* response */
288	struct svc_fh * rd_fhp;             /* response */
289
290	struct readdir_cd	common;
291	struct xdr_stream	*xdr;
292	int			cookie_offset;
293};
294
295struct nfsd4_release_lockowner {
296	clientid_t        rl_clientid;
297	struct xdr_netobj rl_owner;
298};
299struct nfsd4_readlink {
300	struct svc_rqst *rl_rqstp;          /* request */
301	struct svc_fh *	rl_fhp;             /* request */
302};
303
304struct nfsd4_remove {
305	u32		rm_namelen;         /* request */
306	char *		rm_name;            /* request */
307	struct nfsd4_change_info  rm_cinfo; /* response */
308};
309
310struct nfsd4_rename {
311	u32		rn_snamelen;        /* request */
312	char *		rn_sname;           /* request */
313	u32		rn_tnamelen;        /* request */
314	char *		rn_tname;           /* request */
315	struct nfsd4_change_info  rn_sinfo; /* response */
316	struct nfsd4_change_info  rn_tinfo; /* response */
317};
318
319struct nfsd4_secinfo {
320	u32 si_namelen;					/* request */
321	char *si_name;					/* request */
322	struct svc_export *si_exp;			/* response */
323};
324
325struct nfsd4_secinfo_no_name {
326	u32 sin_style;					/* request */
327	struct svc_export *sin_exp;			/* response */
328};
329
330struct nfsd4_setattr {
331	stateid_t	sa_stateid;         /* request */
332	u32		sa_bmval[3];        /* request */
333	struct iattr	sa_iattr;           /* request */
334	struct nfs4_acl *sa_acl;
335	struct xdr_netobj sa_label;
336};
337
338struct nfsd4_setclientid {
339	nfs4_verifier	se_verf;            /* request */
340	struct xdr_netobj se_name;
341	u32		se_callback_prog;   /* request */
342	u32		se_callback_netid_len;  /* request */
343	char *		se_callback_netid_val;  /* request */
344	u32		se_callback_addr_len;   /* request */
345	char *		se_callback_addr_val;   /* request */
346	u32		se_callback_ident;  /* request */
347	clientid_t	se_clientid;        /* response */
348	nfs4_verifier	se_confirm;         /* response */
349};
350
351struct nfsd4_setclientid_confirm {
352	clientid_t	sc_clientid;
353	nfs4_verifier	sc_confirm;
354};
355
356struct nfsd4_saved_compoundargs {
357	__be32 *p;
358	__be32 *end;
359	int pagelen;
360	struct page **pagelist;
361};
362
363struct nfsd4_test_stateid_id {
364	__be32			ts_id_status;
365	stateid_t		ts_id_stateid;
366	struct list_head	ts_id_list;
367};
368
369struct nfsd4_test_stateid {
370	u32		ts_num_ids;
371	struct list_head ts_stateid_list;
372};
373
374struct nfsd4_free_stateid {
375	stateid_t	fr_stateid;         /* request */
376};
377
378/* also used for NVERIFY */
379struct nfsd4_verify {
380	u32		ve_bmval[3];        /* request */
381	u32		ve_attrlen;         /* request */
382	char *		ve_attrval;         /* request */
383};
384
385struct nfsd4_write {
386	stateid_t	wr_stateid;         /* request */
387	u64		wr_offset;          /* request */
388	u32		wr_stable_how;      /* request */
389	u32		wr_buflen;          /* request */
390	struct kvec	wr_head;
391	struct page **	wr_pagelist;        /* request */
392
393	u32		wr_bytes_written;   /* response */
394	u32		wr_how_written;     /* response */
395	nfs4_verifier	wr_verifier;        /* response */
396};
397
398struct nfsd4_exchange_id {
399	nfs4_verifier	verifier;
400	struct xdr_netobj clname;
401	u32		flags;
402	clientid_t	clientid;
403	u32		seqid;
404	int		spa_how;
405};
406
407struct nfsd4_sequence {
408	struct nfs4_sessionid	sessionid;		/* request/response */
409	u32			seqid;			/* request/response */
410	u32			slotid;			/* request/response */
411	u32			maxslots;		/* request/response */
412	u32			cachethis;		/* request */
413#if 0
414	u32			target_maxslots;	/* response */
415#endif /* not yet */
416	u32			status_flags;		/* response */
417};
418
419struct nfsd4_destroy_session {
420	struct nfs4_sessionid	sessionid;
421};
422
423struct nfsd4_destroy_clientid {
424	clientid_t clientid;
425};
426
427struct nfsd4_reclaim_complete {
428	u32 rca_one_fs;
429};
430
431struct nfsd4_deviceid {
432	u64			fsid_idx;
433	u32			generation;
434	u32			pad;
435};
436
437struct nfsd4_layout_seg {
438	u32			iomode;
439	u64			offset;
440	u64			length;
441};
442
443struct nfsd4_getdeviceinfo {
444	struct nfsd4_deviceid	gd_devid;	/* request */
445	u32			gd_layout_type;	/* request */
446	u32			gd_maxcount;	/* request */
447	u32			gd_notify_types;/* request - response */
448	void			*gd_device;	/* response */
449};
450
451struct nfsd4_layoutget {
452	u64			lg_minlength;	/* request */
453	u32			lg_signal;	/* request */
454	u32			lg_layout_type;	/* request */
455	u32			lg_maxcount;	/* request */
456	stateid_t		lg_sid;		/* request/response */
457	struct nfsd4_layout_seg	lg_seg;		/* request/response */
458	void			*lg_content;	/* response */
459};
460
461struct nfsd4_layoutcommit {
462	stateid_t		lc_sid;		/* request */
463	struct nfsd4_layout_seg	lc_seg;		/* request */
464	u32			lc_reclaim;	/* request */
465	u32			lc_newoffset;	/* request */
466	u64			lc_last_wr;	/* request */
467	struct timespec		lc_mtime;	/* request */
468	u32			lc_layout_type;	/* request */
469	u32			lc_up_len;	/* layout length */
470	void			*lc_up_layout;	/* decoded by callback */
471	u32			lc_size_chg;	/* boolean for response */
472	u64			lc_newsize;	/* response */
473};
474
475struct nfsd4_layoutreturn {
476	u32			lr_return_type;	/* request */
477	u32			lr_layout_type;	/* request */
478	struct nfsd4_layout_seg	lr_seg;		/* request */
479	u32			lr_reclaim;	/* request */
480	u32			lrf_body_len;	/* request */
481	void			*lrf_body;	/* request */
482	stateid_t		lr_sid;		/* request/response */
483	u32			lrs_present;	/* response */
484};
485
486struct nfsd4_fallocate {
487	/* request */
488	stateid_t	falloc_stateid;
489	loff_t		falloc_offset;
490	u64		falloc_length;
491};
492
493struct nfsd4_seek {
494	/* request */
495	stateid_t	seek_stateid;
496	loff_t		seek_offset;
497	u32		seek_whence;
498
499	/* response */
500	u32		seek_eof;
501	loff_t		seek_pos;
502};
503
504struct nfsd4_op {
505	int					opnum;
506	__be32					status;
507	union {
508		struct nfsd4_access		access;
509		struct nfsd4_close		close;
510		struct nfsd4_commit		commit;
511		struct nfsd4_create		create;
512		struct nfsd4_delegreturn	delegreturn;
513		struct nfsd4_getattr		getattr;
514		struct svc_fh *			getfh;
515		struct nfsd4_link		link;
516		struct nfsd4_lock		lock;
517		struct nfsd4_lockt		lockt;
518		struct nfsd4_locku		locku;
519		struct nfsd4_lookup		lookup;
520		struct nfsd4_verify		nverify;
521		struct nfsd4_open		open;
522		struct nfsd4_open_confirm	open_confirm;
523		struct nfsd4_open_downgrade	open_downgrade;
524		struct nfsd4_putfh		putfh;
525		struct nfsd4_read		read;
526		struct nfsd4_readdir		readdir;
527		struct nfsd4_readlink		readlink;
528		struct nfsd4_remove		remove;
529		struct nfsd4_rename		rename;
530		clientid_t			renew;
531		struct nfsd4_secinfo		secinfo;
532		struct nfsd4_setattr		setattr;
533		struct nfsd4_setclientid	setclientid;
534		struct nfsd4_setclientid_confirm setclientid_confirm;
535		struct nfsd4_verify		verify;
536		struct nfsd4_write		write;
537		struct nfsd4_release_lockowner	release_lockowner;
538
539		/* NFSv4.1 */
540		struct nfsd4_exchange_id	exchange_id;
541		struct nfsd4_backchannel_ctl	backchannel_ctl;
542		struct nfsd4_bind_conn_to_session bind_conn_to_session;
543		struct nfsd4_create_session	create_session;
544		struct nfsd4_destroy_session	destroy_session;
545		struct nfsd4_sequence		sequence;
546		struct nfsd4_reclaim_complete	reclaim_complete;
547		struct nfsd4_test_stateid	test_stateid;
548		struct nfsd4_free_stateid	free_stateid;
549		struct nfsd4_getdeviceinfo	getdeviceinfo;
550		struct nfsd4_layoutget		layoutget;
551		struct nfsd4_layoutcommit	layoutcommit;
552		struct nfsd4_layoutreturn	layoutreturn;
553
554		/* NFSv4.2 */
555		struct nfsd4_fallocate		allocate;
556		struct nfsd4_fallocate		deallocate;
557		struct nfsd4_seek		seek;
558	} u;
559	struct nfs4_replay *			replay;
560};
561
562bool nfsd4_cache_this_op(struct nfsd4_op *);
563
564/*
565 * Memory needed just for the duration of processing one compound:
566 */
567struct svcxdr_tmpbuf {
568	struct svcxdr_tmpbuf *next;
569	char buf[];
570};
571
572struct nfsd4_compoundargs {
573	/* scratch variables for XDR decode */
574	__be32 *			p;
575	__be32 *			end;
576	struct page **			pagelist;
577	int				pagelen;
578	__be32				tmp[8];
579	__be32 *			tmpp;
580	struct svcxdr_tmpbuf		*to_free;
581
582	struct svc_rqst			*rqstp;
583
584	u32				taglen;
585	char *				tag;
586	u32				minorversion;
587	u32				opcnt;
588	struct nfsd4_op			*ops;
589	struct nfsd4_op			iops[8];
590	int				cachetype;
591};
592
593struct nfsd4_compoundres {
594	/* scratch variables for XDR encode */
595	struct xdr_stream		xdr;
596	struct svc_rqst *		rqstp;
597
598	u32				taglen;
599	char *				tag;
600	u32				opcnt;
601	__be32 *			tagp; /* tag, opcount encode location */
602	struct nfsd4_compound_state	cstate;
603};
604
605static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
606{
607	struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
608	return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
609}
610
611static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
612{
613	return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
614		|| nfsd4_is_solo_sequence(resp);
615}
616
617static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
618{
619	struct nfsd4_compoundres *resp = rqstp->rq_resp;
620	struct nfsd4_compoundargs *argp = rqstp->rq_argp;
621
622	return argp->opcnt == resp->opcnt;
623}
624
625int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
626void warn_on_nonidempotent_op(struct nfsd4_op *op);
627
628#define NFS4_SVC_XDRSIZE		sizeof(struct nfsd4_compoundargs)
629
630static inline void
631set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
632{
633	BUG_ON(!fhp->fh_pre_saved);
634	cinfo->atomic = fhp->fh_post_saved;
635	cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
636
637	cinfo->before_change = fhp->fh_pre_change;
638	cinfo->after_change = fhp->fh_post_change;
639	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
640	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
641	cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
642	cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
643
644}
645
646int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
647int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
648		struct nfsd4_compoundargs *);
649int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
650		struct nfsd4_compoundres *);
651__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
652void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
653void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
654__be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
655		struct svc_fh *fhp, struct svc_export *exp,
656		struct dentry *dentry,
657		u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
658extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
659		struct nfsd4_compound_state *,
660		struct nfsd4_setclientid *setclid);
661extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
662		struct nfsd4_compound_state *,
663		struct nfsd4_setclientid_confirm *setclientid_confirm);
664extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
665		struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
666extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
667extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
668extern __be32 nfsd4_create_session(struct svc_rqst *,
669		struct nfsd4_compound_state *,
670		struct nfsd4_create_session *);
671extern __be32 nfsd4_sequence(struct svc_rqst *,
672		struct nfsd4_compound_state *,
673		struct nfsd4_sequence *);
674extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
675extern __be32 nfsd4_destroy_session(struct svc_rqst *,
676		struct nfsd4_compound_state *,
677		struct nfsd4_destroy_session *);
678extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
679__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
680extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
681		struct nfsd4_open *open, struct nfsd_net *nn);
682extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
683		struct svc_fh *current_fh, struct nfsd4_open *open);
684extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate);
685extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
686		struct nfsd4_open *open);
687extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
688		struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
689extern __be32 nfsd4_close(struct svc_rqst *rqstp,
690		struct nfsd4_compound_state *,
691		struct nfsd4_close *close);
692extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
693		struct nfsd4_compound_state *,
694		struct nfsd4_open_downgrade *od);
695extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
696		struct nfsd4_lock *lock);
697extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
698		struct nfsd4_compound_state *,
699		struct nfsd4_lockt *lockt);
700extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
701		struct nfsd4_compound_state *,
702		struct nfsd4_locku *locku);
703extern __be32
704nfsd4_release_lockowner(struct svc_rqst *rqstp,
705		struct nfsd4_compound_state *,
706		struct nfsd4_release_lockowner *rlockowner);
707extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
708extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
709		struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
710extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
711			  struct nfsd4_compound_state *, clientid_t *clid);
712extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
713		struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
714extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
715		struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
716extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
717
718#endif
719
720/*
721 * Local variables:
722 *  c-basic-offset: 8
723 * End:
724 */
725