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 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
nfsd4_has_session(struct nfsd4_compound_state * cs)71 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
72 {
73 return cs->slot != NULL;
74 }
75
76 struct 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
87 struct nfsd4_access {
88 u32 ac_req_access; /* request */
89 u32 ac_supported; /* response */
90 u32 ac_resp_access; /* response */
91 };
92
93 struct nfsd4_close {
94 u32 cl_seqid; /* request */
95 stateid_t cl_stateid; /* request+response */
96 };
97
98 struct nfsd4_commit {
99 u64 co_offset; /* request */
100 u32 co_count; /* request */
101 nfs4_verifier co_verf; /* response */
102 };
103
104 struct 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
129 struct nfsd4_delegreturn {
130 stateid_t dr_stateid;
131 };
132
133 struct nfsd4_getattr {
134 u32 ga_bmval[3]; /* request */
135 struct svc_fh *ga_fhp; /* response */
136 };
137
138 struct nfsd4_link {
139 u32 li_namelen; /* request */
140 char * li_name; /* request */
141 struct nfsd4_change_info li_cinfo; /* response */
142 };
143
144 struct 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
152 struct 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
193 struct 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
203 struct 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
212 struct nfsd4_lookup {
213 u32 lo_len; /* request */
214 char * lo_name; /* request */
215 };
216
217 struct nfsd4_putfh {
218 u32 pf_fhlen; /* request */
219 char *pf_fhval; /* request */
220 };
221
222 struct 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
255 struct nfsd4_open_confirm {
256 stateid_t oc_req_stateid /* request */;
257 u32 oc_seqid /* request */;
258 stateid_t oc_resp_stateid /* response */;
259 };
260
261 struct 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
270 struct 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 bool rd_tmp_file;
277
278 struct svc_rqst *rd_rqstp; /* response */
279 struct svc_fh * rd_fhp; /* response */
280 };
281
282 struct nfsd4_readdir {
283 u64 rd_cookie; /* request */
284 nfs4_verifier rd_verf; /* request */
285 u32 rd_dircount; /* request */
286 u32 rd_maxcount; /* request */
287 u32 rd_bmval[3]; /* request */
288 struct svc_rqst *rd_rqstp; /* response */
289 struct svc_fh * rd_fhp; /* response */
290
291 struct readdir_cd common;
292 struct xdr_stream *xdr;
293 int cookie_offset;
294 };
295
296 struct nfsd4_release_lockowner {
297 clientid_t rl_clientid;
298 struct xdr_netobj rl_owner;
299 };
300 struct nfsd4_readlink {
301 struct svc_rqst *rl_rqstp; /* request */
302 struct svc_fh * rl_fhp; /* request */
303 };
304
305 struct nfsd4_remove {
306 u32 rm_namelen; /* request */
307 char * rm_name; /* request */
308 struct nfsd4_change_info rm_cinfo; /* response */
309 };
310
311 struct nfsd4_rename {
312 u32 rn_snamelen; /* request */
313 char * rn_sname; /* request */
314 u32 rn_tnamelen; /* request */
315 char * rn_tname; /* request */
316 struct nfsd4_change_info rn_sinfo; /* response */
317 struct nfsd4_change_info rn_tinfo; /* response */
318 };
319
320 struct nfsd4_secinfo {
321 u32 si_namelen; /* request */
322 char *si_name; /* request */
323 struct svc_export *si_exp; /* response */
324 };
325
326 struct nfsd4_secinfo_no_name {
327 u32 sin_style; /* request */
328 struct svc_export *sin_exp; /* response */
329 };
330
331 struct nfsd4_setattr {
332 stateid_t sa_stateid; /* request */
333 u32 sa_bmval[3]; /* request */
334 struct iattr sa_iattr; /* request */
335 struct nfs4_acl *sa_acl;
336 struct xdr_netobj sa_label;
337 };
338
339 struct nfsd4_setclientid {
340 nfs4_verifier se_verf; /* request */
341 struct xdr_netobj se_name;
342 u32 se_callback_prog; /* request */
343 u32 se_callback_netid_len; /* request */
344 char * se_callback_netid_val; /* request */
345 u32 se_callback_addr_len; /* request */
346 char * se_callback_addr_val; /* request */
347 u32 se_callback_ident; /* request */
348 clientid_t se_clientid; /* response */
349 nfs4_verifier se_confirm; /* response */
350 };
351
352 struct nfsd4_setclientid_confirm {
353 clientid_t sc_clientid;
354 nfs4_verifier sc_confirm;
355 };
356
357 struct nfsd4_saved_compoundargs {
358 __be32 *p;
359 __be32 *end;
360 int pagelen;
361 struct page **pagelist;
362 };
363
364 struct nfsd4_test_stateid_id {
365 __be32 ts_id_status;
366 stateid_t ts_id_stateid;
367 struct list_head ts_id_list;
368 };
369
370 struct nfsd4_test_stateid {
371 u32 ts_num_ids;
372 struct list_head ts_stateid_list;
373 };
374
375 struct nfsd4_free_stateid {
376 stateid_t fr_stateid; /* request */
377 };
378
379 /* also used for NVERIFY */
380 struct nfsd4_verify {
381 u32 ve_bmval[3]; /* request */
382 u32 ve_attrlen; /* request */
383 char * ve_attrval; /* request */
384 };
385
386 struct nfsd4_write {
387 stateid_t wr_stateid; /* request */
388 u64 wr_offset; /* request */
389 u32 wr_stable_how; /* request */
390 u32 wr_buflen; /* request */
391 struct kvec wr_head;
392 struct page ** wr_pagelist; /* request */
393
394 u32 wr_bytes_written; /* response */
395 u32 wr_how_written; /* response */
396 nfs4_verifier wr_verifier; /* response */
397 };
398
399 struct nfsd4_exchange_id {
400 nfs4_verifier verifier;
401 struct xdr_netobj clname;
402 u32 flags;
403 clientid_t clientid;
404 u32 seqid;
405 int spa_how;
406 };
407
408 struct nfsd4_sequence {
409 struct nfs4_sessionid sessionid; /* request/response */
410 u32 seqid; /* request/response */
411 u32 slotid; /* request/response */
412 u32 maxslots; /* request/response */
413 u32 cachethis; /* request */
414 #if 0
415 u32 target_maxslots; /* response */
416 #endif /* not yet */
417 u32 status_flags; /* response */
418 };
419
420 struct nfsd4_destroy_session {
421 struct nfs4_sessionid sessionid;
422 };
423
424 struct nfsd4_destroy_clientid {
425 clientid_t clientid;
426 };
427
428 struct nfsd4_reclaim_complete {
429 u32 rca_one_fs;
430 };
431
432 struct nfsd4_deviceid {
433 u64 fsid_idx;
434 u32 generation;
435 u32 pad;
436 };
437
438 struct nfsd4_layout_seg {
439 u32 iomode;
440 u64 offset;
441 u64 length;
442 };
443
444 struct nfsd4_getdeviceinfo {
445 struct nfsd4_deviceid gd_devid; /* request */
446 u32 gd_layout_type; /* request */
447 u32 gd_maxcount; /* request */
448 u32 gd_notify_types;/* request - response */
449 void *gd_device; /* response */
450 };
451
452 struct nfsd4_layoutget {
453 u64 lg_minlength; /* request */
454 u32 lg_signal; /* request */
455 u32 lg_layout_type; /* request */
456 u32 lg_maxcount; /* request */
457 stateid_t lg_sid; /* request/response */
458 struct nfsd4_layout_seg lg_seg; /* request/response */
459 void *lg_content; /* response */
460 };
461
462 struct nfsd4_layoutcommit {
463 stateid_t lc_sid; /* request */
464 struct nfsd4_layout_seg lc_seg; /* request */
465 u32 lc_reclaim; /* request */
466 u32 lc_newoffset; /* request */
467 u64 lc_last_wr; /* request */
468 struct timespec lc_mtime; /* request */
469 u32 lc_layout_type; /* request */
470 u32 lc_up_len; /* layout length */
471 void *lc_up_layout; /* decoded by callback */
472 u32 lc_size_chg; /* boolean for response */
473 u64 lc_newsize; /* response */
474 };
475
476 struct nfsd4_layoutreturn {
477 u32 lr_return_type; /* request */
478 u32 lr_layout_type; /* request */
479 struct nfsd4_layout_seg lr_seg; /* request */
480 u32 lr_reclaim; /* request */
481 u32 lrf_body_len; /* request */
482 void *lrf_body; /* request */
483 stateid_t lr_sid; /* request/response */
484 u32 lrs_present; /* response */
485 };
486
487 struct nfsd4_fallocate {
488 /* request */
489 stateid_t falloc_stateid;
490 loff_t falloc_offset;
491 u64 falloc_length;
492 };
493
494 struct nfsd4_seek {
495 /* request */
496 stateid_t seek_stateid;
497 loff_t seek_offset;
498 u32 seek_whence;
499
500 /* response */
501 u32 seek_eof;
502 loff_t seek_pos;
503 };
504
505 struct nfsd4_op {
506 int opnum;
507 __be32 status;
508 union {
509 struct nfsd4_access access;
510 struct nfsd4_close close;
511 struct nfsd4_commit commit;
512 struct nfsd4_create create;
513 struct nfsd4_delegreturn delegreturn;
514 struct nfsd4_getattr getattr;
515 struct svc_fh * getfh;
516 struct nfsd4_link link;
517 struct nfsd4_lock lock;
518 struct nfsd4_lockt lockt;
519 struct nfsd4_locku locku;
520 struct nfsd4_lookup lookup;
521 struct nfsd4_verify nverify;
522 struct nfsd4_open open;
523 struct nfsd4_open_confirm open_confirm;
524 struct nfsd4_open_downgrade open_downgrade;
525 struct nfsd4_putfh putfh;
526 struct nfsd4_read read;
527 struct nfsd4_readdir readdir;
528 struct nfsd4_readlink readlink;
529 struct nfsd4_remove remove;
530 struct nfsd4_rename rename;
531 clientid_t renew;
532 struct nfsd4_secinfo secinfo;
533 struct nfsd4_setattr setattr;
534 struct nfsd4_setclientid setclientid;
535 struct nfsd4_setclientid_confirm setclientid_confirm;
536 struct nfsd4_verify verify;
537 struct nfsd4_write write;
538 struct nfsd4_release_lockowner release_lockowner;
539
540 /* NFSv4.1 */
541 struct nfsd4_exchange_id exchange_id;
542 struct nfsd4_backchannel_ctl backchannel_ctl;
543 struct nfsd4_bind_conn_to_session bind_conn_to_session;
544 struct nfsd4_create_session create_session;
545 struct nfsd4_destroy_session destroy_session;
546 struct nfsd4_sequence sequence;
547 struct nfsd4_reclaim_complete reclaim_complete;
548 struct nfsd4_test_stateid test_stateid;
549 struct nfsd4_free_stateid free_stateid;
550 struct nfsd4_getdeviceinfo getdeviceinfo;
551 struct nfsd4_layoutget layoutget;
552 struct nfsd4_layoutcommit layoutcommit;
553 struct nfsd4_layoutreturn layoutreturn;
554
555 /* NFSv4.2 */
556 struct nfsd4_fallocate allocate;
557 struct nfsd4_fallocate deallocate;
558 struct nfsd4_seek seek;
559 } u;
560 struct nfs4_replay * replay;
561 };
562
563 bool nfsd4_cache_this_op(struct nfsd4_op *);
564
565 /*
566 * Memory needed just for the duration of processing one compound:
567 */
568 struct svcxdr_tmpbuf {
569 struct svcxdr_tmpbuf *next;
570 char buf[];
571 };
572
573 struct nfsd4_compoundargs {
574 /* scratch variables for XDR decode */
575 __be32 * p;
576 __be32 * end;
577 struct page ** pagelist;
578 int pagelen;
579 __be32 tmp[8];
580 __be32 * tmpp;
581 struct svcxdr_tmpbuf *to_free;
582
583 struct svc_rqst *rqstp;
584
585 u32 taglen;
586 char * tag;
587 u32 minorversion;
588 u32 opcnt;
589 struct nfsd4_op *ops;
590 struct nfsd4_op iops[8];
591 int cachetype;
592 };
593
594 struct nfsd4_compoundres {
595 /* scratch variables for XDR encode */
596 struct xdr_stream xdr;
597 struct svc_rqst * rqstp;
598
599 u32 taglen;
600 char * tag;
601 u32 opcnt;
602 __be32 * tagp; /* tag, opcount encode location */
603 struct nfsd4_compound_state cstate;
604 };
605
nfsd4_is_solo_sequence(struct nfsd4_compoundres * resp)606 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
607 {
608 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
609 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
610 }
611
nfsd4_not_cached(struct nfsd4_compoundres * resp)612 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
613 {
614 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
615 || nfsd4_is_solo_sequence(resp);
616 }
617
nfsd4_last_compound_op(struct svc_rqst * rqstp)618 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
619 {
620 struct nfsd4_compoundres *resp = rqstp->rq_resp;
621 struct nfsd4_compoundargs *argp = rqstp->rq_argp;
622
623 return argp->opcnt == resp->opcnt;
624 }
625
626 int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
627 void warn_on_nonidempotent_op(struct nfsd4_op *op);
628
629 #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
630
631 static inline void
set_change_info(struct nfsd4_change_info * cinfo,struct svc_fh * fhp)632 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
633 {
634 BUG_ON(!fhp->fh_pre_saved);
635 cinfo->atomic = (u32)fhp->fh_post_saved;
636 cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
637
638 cinfo->before_change = fhp->fh_pre_change;
639 cinfo->after_change = fhp->fh_post_change;
640 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
641 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
642 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
643 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
644
645 }
646
647 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
648 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
649 struct nfsd4_compoundargs *);
650 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
651 struct nfsd4_compoundres *);
652 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
653 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
654 void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
655 __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
656 struct svc_fh *fhp, struct svc_export *exp,
657 struct dentry *dentry,
658 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
659 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
660 struct nfsd4_compound_state *,
661 struct nfsd4_setclientid *setclid);
662 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
663 struct nfsd4_compound_state *,
664 struct nfsd4_setclientid_confirm *setclientid_confirm);
665 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
666 struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
667 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
668 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
669 extern __be32 nfsd4_create_session(struct svc_rqst *,
670 struct nfsd4_compound_state *,
671 struct nfsd4_create_session *);
672 extern __be32 nfsd4_sequence(struct svc_rqst *,
673 struct nfsd4_compound_state *,
674 struct nfsd4_sequence *);
675 extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
676 extern __be32 nfsd4_destroy_session(struct svc_rqst *,
677 struct nfsd4_compound_state *,
678 struct nfsd4_destroy_session *);
679 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
680 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
681 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
682 struct nfsd4_open *open, struct nfsd_net *nn);
683 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
684 struct svc_fh *current_fh, struct nfsd4_open *open);
685 extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate);
686 extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
687 struct nfsd4_open *open);
688 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
689 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
690 extern __be32 nfsd4_close(struct svc_rqst *rqstp,
691 struct nfsd4_compound_state *,
692 struct nfsd4_close *close);
693 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
694 struct nfsd4_compound_state *,
695 struct nfsd4_open_downgrade *od);
696 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
697 struct nfsd4_lock *lock);
698 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
699 struct nfsd4_compound_state *,
700 struct nfsd4_lockt *lockt);
701 extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
702 struct nfsd4_compound_state *,
703 struct nfsd4_locku *locku);
704 extern __be32
705 nfsd4_release_lockowner(struct svc_rqst *rqstp,
706 struct nfsd4_compound_state *,
707 struct nfsd4_release_lockowner *rlockowner);
708 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
709 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
710 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
711 extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
712 struct nfsd4_compound_state *, clientid_t *clid);
713 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
714 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
715 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
716 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
717 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
718
719 #endif
720
721 /*
722 * Local variables:
723 * c-basic-offset: 8
724 * End:
725 */
726