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
53 struct 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 bool spo_must_allowed;
63 size_t iovlen;
64 u32 minorversion;
65 __be32 status;
66 stateid_t current_stateid;
67 stateid_t save_stateid;
68 /* to indicate current and saved state id presents */
69 u32 sid_flags;
70 };
71
nfsd4_has_session(struct nfsd4_compound_state * cs)72 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
73 {
74 return cs->slot != NULL;
75 }
76
77 struct nfsd4_change_info {
78 u32 atomic;
79 bool change_supported;
80 u32 before_ctime_sec;
81 u32 before_ctime_nsec;
82 u64 before_change;
83 u32 after_ctime_sec;
84 u32 after_ctime_nsec;
85 u64 after_change;
86 };
87
88 struct nfsd4_access {
89 u32 ac_req_access; /* request */
90 u32 ac_supported; /* response */
91 u32 ac_resp_access; /* response */
92 };
93
94 struct nfsd4_close {
95 u32 cl_seqid; /* request */
96 stateid_t cl_stateid; /* request+response */
97 };
98
99 struct nfsd4_commit {
100 u64 co_offset; /* request */
101 u32 co_count; /* request */
102 nfs4_verifier co_verf; /* response */
103 };
104
105 struct nfsd4_create {
106 u32 cr_namelen; /* request */
107 char * cr_name; /* request */
108 u32 cr_type; /* request */
109 union { /* request */
110 struct {
111 u32 datalen;
112 char *data;
113 } link; /* NF4LNK */
114 struct {
115 u32 specdata1;
116 u32 specdata2;
117 } dev; /* NF4BLK, NF4CHR */
118 } u;
119 u32 cr_bmval[3]; /* request */
120 struct iattr cr_iattr; /* request */
121 struct nfsd4_change_info cr_cinfo; /* response */
122 struct nfs4_acl *cr_acl;
123 struct xdr_netobj cr_label;
124 };
125 #define cr_datalen u.link.datalen
126 #define cr_data u.link.data
127 #define cr_specdata1 u.dev.specdata1
128 #define cr_specdata2 u.dev.specdata2
129
130 struct nfsd4_delegreturn {
131 stateid_t dr_stateid;
132 };
133
134 struct nfsd4_getattr {
135 u32 ga_bmval[3]; /* request */
136 struct svc_fh *ga_fhp; /* response */
137 };
138
139 struct nfsd4_link {
140 u32 li_namelen; /* request */
141 char * li_name; /* request */
142 struct nfsd4_change_info li_cinfo; /* response */
143 };
144
145 struct nfsd4_lock_denied {
146 clientid_t ld_clientid;
147 struct xdr_netobj ld_owner;
148 u64 ld_start;
149 u64 ld_length;
150 u32 ld_type;
151 };
152
153 struct nfsd4_lock {
154 /* request */
155 u32 lk_type;
156 u32 lk_reclaim; /* boolean */
157 u64 lk_offset;
158 u64 lk_length;
159 u32 lk_is_new;
160 union {
161 struct {
162 u32 open_seqid;
163 stateid_t open_stateid;
164 u32 lock_seqid;
165 clientid_t clientid;
166 struct xdr_netobj owner;
167 } new;
168 struct {
169 stateid_t lock_stateid;
170 u32 lock_seqid;
171 } old;
172 } v;
173
174 /* response */
175 union {
176 struct {
177 stateid_t stateid;
178 } ok;
179 struct nfsd4_lock_denied denied;
180 } u;
181 };
182 #define lk_new_open_seqid v.new.open_seqid
183 #define lk_new_open_stateid v.new.open_stateid
184 #define lk_new_lock_seqid v.new.lock_seqid
185 #define lk_new_clientid v.new.clientid
186 #define lk_new_owner v.new.owner
187 #define lk_old_lock_stateid v.old.lock_stateid
188 #define lk_old_lock_seqid v.old.lock_seqid
189
190 #define lk_resp_stateid u.ok.stateid
191 #define lk_denied u.denied
192
193
194 struct nfsd4_lockt {
195 u32 lt_type;
196 clientid_t lt_clientid;
197 struct xdr_netobj lt_owner;
198 u64 lt_offset;
199 u64 lt_length;
200 struct nfsd4_lock_denied lt_denied;
201 };
202
203
204 struct nfsd4_locku {
205 u32 lu_type;
206 u32 lu_seqid;
207 stateid_t lu_stateid;
208 u64 lu_offset;
209 u64 lu_length;
210 };
211
212
213 struct nfsd4_lookup {
214 u32 lo_len; /* request */
215 char * lo_name; /* request */
216 };
217
218 struct nfsd4_putfh {
219 u32 pf_fhlen; /* request */
220 char *pf_fhval; /* request */
221 };
222
223 struct nfsd4_open {
224 u32 op_claim_type; /* request */
225 struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
226 u32 op_delegate_type; /* request - CLAIM_PREV only */
227 stateid_t op_delegate_stateid; /* request - response */
228 u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */
229 u32 op_create; /* request */
230 u32 op_createmode; /* request */
231 u32 op_bmval[3]; /* request */
232 struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
233 nfs4_verifier op_verf __attribute__((aligned(32)));
234 /* EXCLUSIVE4 */
235 clientid_t op_clientid; /* request */
236 struct xdr_netobj op_owner; /* request */
237 u32 op_seqid; /* request */
238 u32 op_share_access; /* request */
239 u32 op_share_deny; /* request */
240 u32 op_deleg_want; /* request */
241 stateid_t op_stateid; /* response */
242 __be32 op_xdr_error; /* see nfsd4_open_omfg() */
243 u32 op_recall; /* recall */
244 struct nfsd4_change_info op_cinfo; /* response */
245 u32 op_rflags; /* response */
246 bool op_truncate; /* used during processing */
247 bool op_created; /* used during processing */
248 struct nfs4_openowner *op_openowner; /* used during processing */
249 struct nfs4_file *op_file; /* used during processing */
250 struct nfs4_ol_stateid *op_stp; /* used during processing */
251 struct nfs4_clnt_odstate *op_odstate; /* used during processing */
252 struct nfs4_acl *op_acl;
253 struct xdr_netobj op_label;
254 };
255
256 struct nfsd4_open_confirm {
257 stateid_t oc_req_stateid /* request */;
258 u32 oc_seqid /* request */;
259 stateid_t oc_resp_stateid /* response */;
260 };
261
262 struct nfsd4_open_downgrade {
263 stateid_t od_stateid;
264 u32 od_seqid;
265 u32 od_share_access; /* request */
266 u32 od_deleg_want; /* request */
267 u32 od_share_deny; /* request */
268 };
269
270
271 struct nfsd4_read {
272 stateid_t rd_stateid; /* request */
273 u64 rd_offset; /* request */
274 u32 rd_length; /* request */
275 int rd_vlen;
276 struct file *rd_filp;
277 bool rd_tmp_file;
278
279 struct svc_rqst *rd_rqstp; /* response */
280 struct svc_fh * rd_fhp; /* response */
281 };
282
283 struct nfsd4_readdir {
284 u64 rd_cookie; /* request */
285 nfs4_verifier rd_verf; /* request */
286 u32 rd_dircount; /* request */
287 u32 rd_maxcount; /* request */
288 u32 rd_bmval[3]; /* request */
289 struct svc_rqst *rd_rqstp; /* response */
290 struct svc_fh * rd_fhp; /* response */
291
292 struct readdir_cd common;
293 struct xdr_stream *xdr;
294 int cookie_offset;
295 };
296
297 struct nfsd4_release_lockowner {
298 clientid_t rl_clientid;
299 struct xdr_netobj rl_owner;
300 };
301 struct nfsd4_readlink {
302 struct svc_rqst *rl_rqstp; /* request */
303 struct svc_fh * rl_fhp; /* request */
304 };
305
306 struct nfsd4_remove {
307 u32 rm_namelen; /* request */
308 char * rm_name; /* request */
309 struct nfsd4_change_info rm_cinfo; /* response */
310 };
311
312 struct nfsd4_rename {
313 u32 rn_snamelen; /* request */
314 char * rn_sname; /* request */
315 u32 rn_tnamelen; /* request */
316 char * rn_tname; /* request */
317 struct nfsd4_change_info rn_sinfo; /* response */
318 struct nfsd4_change_info rn_tinfo; /* response */
319 };
320
321 struct nfsd4_secinfo {
322 u32 si_namelen; /* request */
323 char *si_name; /* request */
324 struct svc_export *si_exp; /* response */
325 };
326
327 struct nfsd4_secinfo_no_name {
328 u32 sin_style; /* request */
329 struct svc_export *sin_exp; /* response */
330 };
331
332 struct nfsd4_setattr {
333 stateid_t sa_stateid; /* request */
334 u32 sa_bmval[3]; /* request */
335 struct iattr sa_iattr; /* request */
336 struct nfs4_acl *sa_acl;
337 struct xdr_netobj sa_label;
338 };
339
340 struct nfsd4_setclientid {
341 nfs4_verifier se_verf; /* request */
342 struct xdr_netobj se_name;
343 u32 se_callback_prog; /* request */
344 u32 se_callback_netid_len; /* request */
345 char * se_callback_netid_val; /* request */
346 u32 se_callback_addr_len; /* request */
347 char * se_callback_addr_val; /* request */
348 u32 se_callback_ident; /* request */
349 clientid_t se_clientid; /* response */
350 nfs4_verifier se_confirm; /* response */
351 };
352
353 struct nfsd4_setclientid_confirm {
354 clientid_t sc_clientid;
355 nfs4_verifier sc_confirm;
356 };
357
358 struct nfsd4_saved_compoundargs {
359 __be32 *p;
360 __be32 *end;
361 int pagelen;
362 struct page **pagelist;
363 };
364
365 struct nfsd4_test_stateid_id {
366 __be32 ts_id_status;
367 stateid_t ts_id_stateid;
368 struct list_head ts_id_list;
369 };
370
371 struct nfsd4_test_stateid {
372 u32 ts_num_ids;
373 struct list_head ts_stateid_list;
374 };
375
376 struct nfsd4_free_stateid {
377 stateid_t fr_stateid; /* request */
378 };
379
380 /* also used for NVERIFY */
381 struct nfsd4_verify {
382 u32 ve_bmval[3]; /* request */
383 u32 ve_attrlen; /* request */
384 char * ve_attrval; /* request */
385 };
386
387 struct nfsd4_write {
388 stateid_t wr_stateid; /* request */
389 u64 wr_offset; /* request */
390 u32 wr_stable_how; /* request */
391 u32 wr_buflen; /* request */
392 struct kvec wr_head;
393 struct page ** wr_pagelist; /* request */
394
395 u32 wr_bytes_written; /* response */
396 u32 wr_how_written; /* response */
397 nfs4_verifier wr_verifier; /* response */
398 };
399
400 struct nfsd4_exchange_id {
401 nfs4_verifier verifier;
402 struct xdr_netobj clname;
403 u32 flags;
404 clientid_t clientid;
405 u32 seqid;
406 int spa_how;
407 u32 spo_must_enforce[3];
408 u32 spo_must_allow[3];
409 };
410
411 struct nfsd4_sequence {
412 struct nfs4_sessionid sessionid; /* request/response */
413 u32 seqid; /* request/response */
414 u32 slotid; /* request/response */
415 u32 maxslots; /* request/response */
416 u32 cachethis; /* request */
417 #if 0
418 u32 target_maxslots; /* response */
419 #endif /* not yet */
420 u32 status_flags; /* response */
421 };
422
423 struct nfsd4_destroy_session {
424 struct nfs4_sessionid sessionid;
425 };
426
427 struct nfsd4_destroy_clientid {
428 clientid_t clientid;
429 };
430
431 struct nfsd4_reclaim_complete {
432 u32 rca_one_fs;
433 };
434
435 struct nfsd4_deviceid {
436 u64 fsid_idx;
437 u32 generation;
438 u32 pad;
439 };
440
441 struct nfsd4_layout_seg {
442 u32 iomode;
443 u64 offset;
444 u64 length;
445 };
446
447 struct nfsd4_getdeviceinfo {
448 struct nfsd4_deviceid gd_devid; /* request */
449 u32 gd_layout_type; /* request */
450 u32 gd_maxcount; /* request */
451 u32 gd_notify_types;/* request - response */
452 void *gd_device; /* response */
453 };
454
455 struct nfsd4_layoutget {
456 u64 lg_minlength; /* request */
457 u32 lg_signal; /* request */
458 u32 lg_layout_type; /* request */
459 u32 lg_maxcount; /* request */
460 stateid_t lg_sid; /* request/response */
461 struct nfsd4_layout_seg lg_seg; /* request/response */
462 void *lg_content; /* response */
463 };
464
465 struct nfsd4_layoutcommit {
466 stateid_t lc_sid; /* request */
467 struct nfsd4_layout_seg lc_seg; /* request */
468 u32 lc_reclaim; /* request */
469 u32 lc_newoffset; /* request */
470 u64 lc_last_wr; /* request */
471 struct timespec lc_mtime; /* request */
472 u32 lc_layout_type; /* request */
473 u32 lc_up_len; /* layout length */
474 void *lc_up_layout; /* decoded by callback */
475 u32 lc_size_chg; /* boolean for response */
476 u64 lc_newsize; /* response */
477 };
478
479 struct nfsd4_layoutreturn {
480 u32 lr_return_type; /* request */
481 u32 lr_layout_type; /* request */
482 struct nfsd4_layout_seg lr_seg; /* request */
483 u32 lr_reclaim; /* request */
484 u32 lrf_body_len; /* request */
485 void *lrf_body; /* request */
486 stateid_t lr_sid; /* request/response */
487 u32 lrs_present; /* response */
488 };
489
490 struct nfsd4_fallocate {
491 /* request */
492 stateid_t falloc_stateid;
493 loff_t falloc_offset;
494 u64 falloc_length;
495 };
496
497 struct nfsd4_clone {
498 /* request */
499 stateid_t cl_src_stateid;
500 stateid_t cl_dst_stateid;
501 u64 cl_src_pos;
502 u64 cl_dst_pos;
503 u64 cl_count;
504 };
505
506 struct nfsd42_write_res {
507 u64 wr_bytes_written;
508 u32 wr_stable_how;
509 nfs4_verifier wr_verifier;
510 };
511
512 struct nfsd4_copy {
513 /* request */
514 stateid_t cp_src_stateid;
515 stateid_t cp_dst_stateid;
516 u64 cp_src_pos;
517 u64 cp_dst_pos;
518 u64 cp_count;
519
520 /* both */
521 bool cp_consecutive;
522 bool cp_synchronous;
523
524 /* response */
525 struct nfsd42_write_res cp_res;
526 };
527
528 struct nfsd4_seek {
529 /* request */
530 stateid_t seek_stateid;
531 loff_t seek_offset;
532 u32 seek_whence;
533
534 /* response */
535 u32 seek_eof;
536 loff_t seek_pos;
537 };
538
539 struct nfsd4_op {
540 int opnum;
541 __be32 status;
542 union {
543 struct nfsd4_access access;
544 struct nfsd4_close close;
545 struct nfsd4_commit commit;
546 struct nfsd4_create create;
547 struct nfsd4_delegreturn delegreturn;
548 struct nfsd4_getattr getattr;
549 struct svc_fh * getfh;
550 struct nfsd4_link link;
551 struct nfsd4_lock lock;
552 struct nfsd4_lockt lockt;
553 struct nfsd4_locku locku;
554 struct nfsd4_lookup lookup;
555 struct nfsd4_verify nverify;
556 struct nfsd4_open open;
557 struct nfsd4_open_confirm open_confirm;
558 struct nfsd4_open_downgrade open_downgrade;
559 struct nfsd4_putfh putfh;
560 struct nfsd4_read read;
561 struct nfsd4_readdir readdir;
562 struct nfsd4_readlink readlink;
563 struct nfsd4_remove remove;
564 struct nfsd4_rename rename;
565 clientid_t renew;
566 struct nfsd4_secinfo secinfo;
567 struct nfsd4_setattr setattr;
568 struct nfsd4_setclientid setclientid;
569 struct nfsd4_setclientid_confirm setclientid_confirm;
570 struct nfsd4_verify verify;
571 struct nfsd4_write write;
572 struct nfsd4_release_lockowner release_lockowner;
573
574 /* NFSv4.1 */
575 struct nfsd4_exchange_id exchange_id;
576 struct nfsd4_backchannel_ctl backchannel_ctl;
577 struct nfsd4_bind_conn_to_session bind_conn_to_session;
578 struct nfsd4_create_session create_session;
579 struct nfsd4_destroy_session destroy_session;
580 struct nfsd4_sequence sequence;
581 struct nfsd4_reclaim_complete reclaim_complete;
582 struct nfsd4_test_stateid test_stateid;
583 struct nfsd4_free_stateid free_stateid;
584 struct nfsd4_getdeviceinfo getdeviceinfo;
585 struct nfsd4_layoutget layoutget;
586 struct nfsd4_layoutcommit layoutcommit;
587 struct nfsd4_layoutreturn layoutreturn;
588
589 /* NFSv4.2 */
590 struct nfsd4_fallocate allocate;
591 struct nfsd4_fallocate deallocate;
592 struct nfsd4_clone clone;
593 struct nfsd4_copy copy;
594 struct nfsd4_seek seek;
595 } u;
596 struct nfs4_replay * replay;
597 };
598
599 bool nfsd4_cache_this_op(struct nfsd4_op *);
600
601 /*
602 * Memory needed just for the duration of processing one compound:
603 */
604 struct svcxdr_tmpbuf {
605 struct svcxdr_tmpbuf *next;
606 char buf[];
607 };
608
609 struct nfsd4_compoundargs {
610 /* scratch variables for XDR decode */
611 __be32 * p;
612 __be32 * end;
613 struct page ** pagelist;
614 int pagelen;
615 __be32 tmp[8];
616 __be32 * tmpp;
617 struct svcxdr_tmpbuf *to_free;
618
619 struct svc_rqst *rqstp;
620
621 u32 taglen;
622 char * tag;
623 u32 minorversion;
624 u32 opcnt;
625 struct nfsd4_op *ops;
626 struct nfsd4_op iops[8];
627 int cachetype;
628 };
629
630 struct nfsd4_compoundres {
631 /* scratch variables for XDR encode */
632 struct xdr_stream xdr;
633 struct svc_rqst * rqstp;
634
635 u32 taglen;
636 char * tag;
637 u32 opcnt;
638 __be32 * tagp; /* tag, opcount encode location */
639 struct nfsd4_compound_state cstate;
640 };
641
nfsd4_is_solo_sequence(struct nfsd4_compoundres * resp)642 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
643 {
644 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
645 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
646 }
647
nfsd4_not_cached(struct nfsd4_compoundres * resp)648 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
649 {
650 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
651 || nfsd4_is_solo_sequence(resp);
652 }
653
nfsd4_last_compound_op(struct svc_rqst * rqstp)654 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
655 {
656 struct nfsd4_compoundres *resp = rqstp->rq_resp;
657 struct nfsd4_compoundargs *argp = rqstp->rq_argp;
658
659 return argp->opcnt == resp->opcnt;
660 }
661
662 int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
663 void warn_on_nonidempotent_op(struct nfsd4_op *op);
664
665 #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
666
667 static inline void
set_change_info(struct nfsd4_change_info * cinfo,struct svc_fh * fhp)668 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
669 {
670 BUG_ON(!fhp->fh_pre_saved);
671 cinfo->atomic = (u32)fhp->fh_post_saved;
672 cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
673
674 cinfo->before_change = fhp->fh_pre_change;
675 cinfo->after_change = fhp->fh_post_change;
676 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
677 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
678 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
679 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
680
681 }
682
683
684 bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp);
685 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
686 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
687 struct nfsd4_compoundargs *);
688 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
689 struct nfsd4_compoundres *);
690 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
691 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
692 void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
693 __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
694 struct svc_fh *fhp, struct svc_export *exp,
695 struct dentry *dentry,
696 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
697 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
698 struct nfsd4_compound_state *,
699 struct nfsd4_setclientid *setclid);
700 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
701 struct nfsd4_compound_state *,
702 struct nfsd4_setclientid_confirm *setclientid_confirm);
703 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
704 struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
705 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
706 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
707 extern __be32 nfsd4_create_session(struct svc_rqst *,
708 struct nfsd4_compound_state *,
709 struct nfsd4_create_session *);
710 extern __be32 nfsd4_sequence(struct svc_rqst *,
711 struct nfsd4_compound_state *,
712 struct nfsd4_sequence *);
713 extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
714 extern __be32 nfsd4_destroy_session(struct svc_rqst *,
715 struct nfsd4_compound_state *,
716 struct nfsd4_destroy_session *);
717 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
718 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
719 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
720 struct nfsd4_open *open, struct nfsd_net *nn);
721 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
722 struct svc_fh *current_fh, struct nfsd4_open *open);
723 extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate);
724 extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
725 struct nfsd4_open *open);
726 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
727 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
728 extern __be32 nfsd4_close(struct svc_rqst *rqstp,
729 struct nfsd4_compound_state *,
730 struct nfsd4_close *close);
731 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
732 struct nfsd4_compound_state *,
733 struct nfsd4_open_downgrade *od);
734 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
735 struct nfsd4_lock *lock);
736 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
737 struct nfsd4_compound_state *,
738 struct nfsd4_lockt *lockt);
739 extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
740 struct nfsd4_compound_state *,
741 struct nfsd4_locku *locku);
742 extern __be32
743 nfsd4_release_lockowner(struct svc_rqst *rqstp,
744 struct nfsd4_compound_state *,
745 struct nfsd4_release_lockowner *rlockowner);
746 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
747 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
748 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
749 extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
750 struct nfsd4_compound_state *, clientid_t *clid);
751 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
752 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
753 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
754 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
755 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
756
757 #endif
758
759 /*
760 * Local variables:
761 * c-basic-offset: 8
762 * End:
763 */
764