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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * 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
Boaz Harrosh9a74af22009-12-03 20:30:56 +020040#include "state.h"
41#include "nfsd.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
David Quigley18032ca2013-05-02 13:19:10 -040043#define NFSD4_MAX_SEC_LABEL_LEN 2048
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#define NFSD4_MAX_TAGLEN 128
45#define XDR_LEN(n) (((n) + 3) & ~3)
46
Tigran Mkrtchyan37c593c2012-02-13 22:55:32 +010047#define CURRENT_STATE_ID_FLAG (1<<0)
48#define SAVED_STATE_ID_FLAG (1<<1)
49
50#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
51#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
52#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
53
J.Bruce Fieldsca364312006-12-13 00:35:27 -080054struct nfsd4_compound_state {
Andy Adamsone354d572009-03-28 11:30:52 +030055 struct svc_fh current_fh;
56 struct svc_fh save_fh;
57 struct nfs4_stateowner *replay_owner;
Benny Halevyb85d4c02009-04-03 08:28:08 +030058 /* For sessions DRC */
59 struct nfsd4_session *session;
60 struct nfsd4_slot *slot;
Andy Adamson557ce262009-08-28 08:45:04 -040061 __be32 *datap;
Andy Adamsonda3846a2009-04-03 08:28:22 +030062 size_t iovlen;
Andy Adamsond87a8ad2009-04-03 08:28:53 +030063 u32 minorversion;
J. Bruce Fields57b7b432012-04-25 17:58:50 -040064 __be32 status;
Tigran Mkrtchyan37c593c2012-02-13 22:55:32 +010065 stateid_t current_stateid;
66 stateid_t save_stateid;
67 /* to indicate current and saved state id presents */
68 u32 sid_flags;
J.Bruce Fieldsca364312006-12-13 00:35:27 -080069};
70
Andy Adamson66689582009-04-03 08:28:45 +030071static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
72{
73 return cs->slot != NULL;
74}
75
Linus Torvalds1da177e2005-04-16 15:20:36 -070076struct nfsd4_change_info {
77 u32 atomic;
J. Bruce Fieldsc654b8a2009-04-16 17:33:25 -040078 bool change_supported;
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 u32 before_ctime_sec;
80 u32 before_ctime_nsec;
J. Bruce Fieldsc654b8a2009-04-16 17:33:25 -040081 u64 before_change;
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 u32 after_ctime_sec;
83 u32 after_ctime_nsec;
J. Bruce Fieldsc654b8a2009-04-16 17:33:25 -040084 u64 after_change;
Linus Torvalds1da177e2005-04-16 15:20:36 -070085};
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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070096};
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 namelen;
111 char *name;
112 } link; /* NF4LNK */
113 struct {
114 u32 specdata1;
115 u32 specdata2;
116 } dev; /* NF4BLK, NF4CHR */
117 } u;
Andy Adamson7e705702009-04-03 08:29:11 +0300118 u32 cr_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 struct iattr cr_iattr; /* request */
120 struct nfsd4_change_info cr_cinfo; /* response */
121 struct nfs4_acl *cr_acl;
David Quigley18032ca2013-05-02 13:19:10 -0400122 struct xdr_netobj cr_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123};
124#define cr_linklen u.link.namelen
125#define cr_linkname u.link.name
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 {
Andy Adamson7e705702009-04-03 08:29:11 +0300134 u32 ga_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 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;
J. Bruce Fields7c13f342011-08-30 22:15:47 -0400146 struct xdr_netobj ld_owner;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180};
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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189#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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209};
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 */
Benny Halevyd24433c2012-02-16 20:57:17 +0200227 u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228 u32 op_create; /* request */
229 u32 op_createmode; /* request */
Andy Adamson7e705702009-04-03 08:29:11 +0300230 u32 op_bmval[3]; /* request */
Kinglong Mee3ff69302013-12-05 10:41:40 +0800231 struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
Chuck Leverab4684d2012-03-02 17:13:50 -0500232 nfs4_verifier op_verf __attribute__((aligned(32)));
233 /* EXCLUSIVE4 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234 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 */
Benny Halevy2c8bd7e2012-02-16 20:57:09 +0200239 u32 op_deleg_want; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 stateid_t op_stateid; /* response */
J. Bruce Fields9d313b12013-02-28 12:51:49 -0800241 __be32 op_xdr_error; /* see nfsd4_open_omfg() */
NeilBrown7b190fe2005-06-23 22:03:23 -0700242 u32 op_recall; /* recall */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243 struct nfsd4_change_info op_cinfo; /* response */
244 u32 op_rflags; /* response */
J. Bruce Fields856121b2011-10-13 11:37:11 -0400245 bool op_truncate; /* used during processing */
246 bool op_created; /* used during processing */
J. Bruce Fieldsfe0750e2011-07-30 23:33:59 -0400247 struct nfs4_openowner *op_openowner; /* used during processing */
J. Bruce Fields32513b42011-10-13 16:00:16 -0400248 struct nfs4_file *op_file; /* used during processing */
J. Bruce Fields4cdc9512011-10-17 15:57:47 -0400249 struct nfs4_ol_stateid *op_stp; /* used during processing */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250 struct nfs4_acl *op_acl;
David Quigley18032ca2013-05-02 13:19:10 -0400251 struct xdr_netobj op_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253
254struct nfsd4_open_confirm {
255 stateid_t oc_req_stateid /* request */;
256 u32 oc_seqid /* request */;
257 stateid_t oc_resp_stateid /* response */;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258};
259
260struct nfsd4_open_downgrade {
261 stateid_t od_stateid;
262 u32 od_seqid;
Benny Halevy2c8bd7e2012-02-16 20:57:09 +0200263 u32 od_share_access; /* request */
264 u32 od_deleg_want; /* request */
265 u32 od_share_deny; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266};
267
268
269struct nfsd4_read {
270 stateid_t rd_stateid; /* request */
271 u64 rd_offset; /* request */
272 u32 rd_length; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 int rd_vlen;
274 struct file *rd_filp;
275
276 struct svc_rqst *rd_rqstp; /* response */
277 struct svc_fh * rd_fhp; /* response */
278};
279
280struct nfsd4_readdir {
281 u64 rd_cookie; /* request */
282 nfs4_verifier rd_verf; /* request */
283 u32 rd_dircount; /* request */
284 u32 rd_maxcount; /* request */
Andy Adamson7e705702009-04-03 08:29:11 +0300285 u32 rd_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 struct svc_rqst *rd_rqstp; /* response */
287 struct svc_fh * rd_fhp; /* response */
288
289 struct readdir_cd common;
Al Viro2ebbc012006-10-19 23:28:58 -0700290 __be32 * buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 int buflen;
Al Viro2ebbc012006-10-19 23:28:58 -0700292 __be32 * offset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293};
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
Andy Adamsondcb488a32007-07-17 04:04:51 -0700319struct nfsd4_secinfo {
320 u32 si_namelen; /* request */
321 char *si_name; /* request */
322 struct svc_export *si_exp; /* response */
323};
324
J. Bruce Fields04f4ad12010-12-16 09:51:13 -0500325struct nfsd4_secinfo_no_name {
326 u32 sin_style; /* request */
327 struct svc_export *sin_exp; /* response */
328};
329
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330struct nfsd4_setattr {
331 stateid_t sa_stateid; /* request */
Andy Adamson7e705702009-04-03 08:29:11 +0300332 u32 sa_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 struct iattr sa_iattr; /* request */
334 struct nfs4_acl *sa_acl;
David Quigley18032ca2013-05-02 13:19:10 -0400335 struct xdr_netobj sa_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336};
337
338struct nfsd4_setclientid {
339 nfs4_verifier se_verf; /* request */
J. Bruce Fieldsa084daf2011-10-10 15:07:40 -0400340 struct xdr_netobj se_name;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341 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
Bryan Schumaker17456802011-07-13 10:50:48 -0400356struct nfsd4_saved_compoundargs {
357 __be32 *p;
358 __be32 *end;
359 int pagelen;
360 struct page **pagelist;
361};
362
Bryan Schumaker03cfb422012-01-27 10:22:49 -0500363struct nfsd4_test_stateid_id {
364 __be32 ts_id_status;
365 stateid_t ts_id_stateid;
366 struct list_head ts_id_list;
367};
368
Bryan Schumaker17456802011-07-13 10:50:48 -0400369struct nfsd4_test_stateid {
J. Bruce Fields57b7b432012-04-25 17:58:50 -0400370 u32 ts_num_ids;
Bryan Schumaker03cfb422012-01-27 10:22:49 -0500371 struct list_head ts_stateid_list;
Bryan Schumaker17456802011-07-13 10:50:48 -0400372};
373
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400374struct nfsd4_free_stateid {
375 stateid_t fr_stateid; /* request */
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400376};
377
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378/* also used for NVERIFY */
379struct nfsd4_verify {
Andy Adamson7e705702009-04-03 08:29:11 +0300380 u32 ve_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381 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 */
J. Bruce Fields70cc7f72012-11-16 14:16:46 -0500390 struct kvec wr_head;
391 struct page ** wr_pagelist; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700392
393 u32 wr_bytes_written; /* response */
394 u32 wr_how_written; /* response */
395 nfs4_verifier wr_verifier; /* response */
396};
397
Andy Adamson2db134e2009-04-03 08:27:55 +0300398struct nfsd4_exchange_id {
Andy Adamson0733d212009-04-03 08:28:01 +0300399 nfs4_verifier verifier;
400 struct xdr_netobj clname;
401 u32 flags;
402 clientid_t clientid;
403 u32 seqid;
404 int spa_how;
Andy Adamson2db134e2009-04-03 08:27:55 +0300405};
406
Andy Adamson2db134e2009-04-03 08:27:55 +0300407struct nfsd4_sequence {
Benny Halevyb85d4c02009-04-03 08:28:08 +0300408 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 */
Benny Halevyb85d4c02009-04-03 08:28:08 +0300415#endif /* not yet */
J. Bruce Fields0d7bb712010-11-18 08:30:33 -0500416 u32 status_flags; /* response */
Andy Adamson2db134e2009-04-03 08:27:55 +0300417};
418
419struct nfsd4_destroy_session {
Benny Halevye10e0cf2009-04-03 08:28:38 +0300420 struct nfs4_sessionid sessionid;
Andy Adamson2db134e2009-04-03 08:27:55 +0300421};
422
Mi Jinlong345c2842011-10-20 17:51:39 +0800423struct nfsd4_destroy_clientid {
424 clientid_t clientid;
425};
426
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400427struct nfsd4_reclaim_complete {
428 u32 rca_one_fs;
429};
430
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431struct nfsd4_op {
432 int opnum;
Al Virob37ad282006-10-19 23:28:59 -0700433 __be32 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434 union {
435 struct nfsd4_access access;
436 struct nfsd4_close close;
437 struct nfsd4_commit commit;
438 struct nfsd4_create create;
439 struct nfsd4_delegreturn delegreturn;
440 struct nfsd4_getattr getattr;
441 struct svc_fh * getfh;
442 struct nfsd4_link link;
443 struct nfsd4_lock lock;
444 struct nfsd4_lockt lockt;
445 struct nfsd4_locku locku;
446 struct nfsd4_lookup lookup;
447 struct nfsd4_verify nverify;
448 struct nfsd4_open open;
449 struct nfsd4_open_confirm open_confirm;
450 struct nfsd4_open_downgrade open_downgrade;
451 struct nfsd4_putfh putfh;
452 struct nfsd4_read read;
453 struct nfsd4_readdir readdir;
454 struct nfsd4_readlink readlink;
455 struct nfsd4_remove remove;
456 struct nfsd4_rename rename;
457 clientid_t renew;
Andy Adamsondcb488a32007-07-17 04:04:51 -0700458 struct nfsd4_secinfo secinfo;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700459 struct nfsd4_setattr setattr;
460 struct nfsd4_setclientid setclientid;
461 struct nfsd4_setclientid_confirm setclientid_confirm;
462 struct nfsd4_verify verify;
463 struct nfsd4_write write;
464 struct nfsd4_release_lockowner release_lockowner;
Andy Adamson2db134e2009-04-03 08:27:55 +0300465
466 /* NFSv4.1 */
467 struct nfsd4_exchange_id exchange_id;
J. Bruce Fieldscb73a9f2012-11-01 18:09:48 -0400468 struct nfsd4_backchannel_ctl backchannel_ctl;
J. Bruce Fields1d1bc8f2010-10-04 23:12:59 -0400469 struct nfsd4_bind_conn_to_session bind_conn_to_session;
Andy Adamson2db134e2009-04-03 08:27:55 +0300470 struct nfsd4_create_session create_session;
471 struct nfsd4_destroy_session destroy_session;
472 struct nfsd4_sequence sequence;
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400473 struct nfsd4_reclaim_complete reclaim_complete;
Bryan Schumaker17456802011-07-13 10:50:48 -0400474 struct nfsd4_test_stateid test_stateid;
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400475 struct nfsd4_free_stateid free_stateid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476 } u;
477 struct nfs4_replay * replay;
478};
479
J. Bruce Fields10910062011-01-24 12:11:02 -0500480bool nfsd4_cache_this_op(struct nfsd4_op *);
481
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482struct nfsd4_compoundargs {
483 /* scratch variables for XDR decode */
Al Viro2ebbc012006-10-19 23:28:58 -0700484 __be32 * p;
485 __be32 * end;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486 struct page ** pagelist;
487 int pagelen;
Al Viro2ebbc012006-10-19 23:28:58 -0700488 __be32 tmp[8];
489 __be32 * tmpp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490 struct tmpbuf {
491 struct tmpbuf *next;
492 void (*release)(const void *);
493 void *buf;
494 } *to_free;
495
496 struct svc_rqst *rqstp;
497
498 u32 taglen;
499 char * tag;
500 u32 minorversion;
501 u32 opcnt;
502 struct nfsd4_op *ops;
503 struct nfsd4_op iops[8];
J. Bruce Fields10910062011-01-24 12:11:02 -0500504 int cachetype;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505};
506
507struct nfsd4_compoundres {
508 /* scratch variables for XDR encode */
Al Viro2ebbc012006-10-19 23:28:58 -0700509 __be32 * p;
510 __be32 * end;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 struct xdr_buf * xbuf;
512 struct svc_rqst * rqstp;
513
514 u32 taglen;
515 char * tag;
516 u32 opcnt;
Andy Adamsone354d572009-03-28 11:30:52 +0300517 __be32 * tagp; /* tag, opcount encode location */
518 struct nfsd4_compound_state cstate;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519};
520
Andy Adamsonbf864a32009-04-03 08:28:35 +0300521static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
522{
523 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
Andy Adamson468de9e2009-08-27 12:07:40 -0400524 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
Andy Adamsonbf864a32009-04-03 08:28:35 +0300525}
526
527static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
528{
J. Bruce Fields73e79482012-02-13 16:39:00 -0500529 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
530 || nfsd4_is_solo_sequence(resp);
Andy Adamsonbf864a32009-04-03 08:28:35 +0300531}
532
J. Bruce Fields9b3234b2012-12-04 18:03:46 -0500533static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
534{
535 struct nfsd4_compoundres *resp = rqstp->rq_resp;
536 struct nfsd4_compoundargs *argp = rqstp->rq_argp;
537
538 return argp->opcnt == resp->opcnt;
539}
540
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
542
543static inline void
544set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
545{
Neil Brownc1ac3ff2010-12-02 11:14:30 +1100546 BUG_ON(!fhp->fh_pre_saved);
547 cinfo->atomic = fhp->fh_post_saved;
J. Bruce Fieldsc654b8a2009-04-16 17:33:25 -0400548 cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
Neil Brownc1ac3ff2010-12-02 11:14:30 +1100549
550 cinfo->before_change = fhp->fh_pre_change;
551 cinfo->after_change = fhp->fh_post_change;
552 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
553 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
554 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
555 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
556
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557}
558
Al Viro2ebbc012006-10-19 23:28:58 -0700559int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
560int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561 struct nfsd4_compoundargs *);
Al Viro2ebbc012006-10-19 23:28:58 -0700562int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563 struct nfsd4_compoundres *);
J. Bruce Fields57b7b432012-04-25 17:58:50 -0400564__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700565void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
566void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
Al Virob37ad282006-10-19 23:28:59 -0700567__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
J. Bruce Fields84822d02012-12-14 17:57:50 -0500568 struct dentry *dentry, __be32 **buffer, int countp,
Frank Filz406a7ea2007-11-27 11:34:05 -0800569 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
Al Virob37ad282006-10-19 23:28:59 -0700570extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800571 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572 struct nfsd4_setclientid *setclid);
Al Virob37ad282006-10-19 23:28:59 -0700573extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800574 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575 struct nfsd4_setclientid_confirm *setclientid_confirm);
Andy Adamson074fe892009-04-03 08:28:15 +0300576extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
Andy Adamson069b6ad2009-04-03 08:27:58 +0300577extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
J. Bruce Fields3c4ab2a2010-04-19 15:12:51 -0400578 struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
J. Bruce Fieldscb73a9f2012-11-01 18:09:48 -0400579extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
J. Bruce Fields1d1bc8f2010-10-04 23:12:59 -0400580extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
J. Bruce Fields3c4ab2a2010-04-19 15:12:51 -0400581extern __be32 nfsd4_create_session(struct svc_rqst *,
Andy Adamson069b6ad2009-04-03 08:27:58 +0300582 struct nfsd4_compound_state *,
583 struct nfsd4_create_session *);
584extern __be32 nfsd4_sequence(struct svc_rqst *,
585 struct nfsd4_compound_state *,
586 struct nfsd4_sequence *);
587extern __be32 nfsd4_destroy_session(struct svc_rqst *,
588 struct nfsd4_compound_state *,
589 struct nfsd4_destroy_session *);
Mi Jinlong345c2842011-10-20 17:51:39 +0800590extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400591__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
Andy Adamson66689582009-04-03 08:28:45 +0300592extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
Stanislav Kinsbursky3320fef192012-11-14 18:22:07 +0300593 struct nfsd4_open *open, struct nfsd_net *nn);
Al Virob37ad282006-10-19 23:28:59 -0700594extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595 struct svc_fh *current_fh, struct nfsd4_open *open);
J. Bruce Fieldsd29b20c2011-10-13 15:12:59 -0400596extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
Al Virob37ad282006-10-19 23:28:59 -0700597extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800598 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800599extern __be32 nfsd4_close(struct svc_rqst *rqstp,
600 struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800601 struct nfsd4_close *close);
Al Virob37ad282006-10-19 23:28:59 -0700602extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800603 struct nfsd4_compound_state *,
604 struct nfsd4_open_downgrade *od);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800605extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800606 struct nfsd4_lock *lock);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800607extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
608 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609 struct nfsd4_lockt *lockt);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800610extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
611 struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800612 struct nfsd4_locku *locku);
Al Virob37ad282006-10-19 23:28:59 -0700613extern __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614nfsd4_release_lockowner(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800615 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616 struct nfsd4_release_lockowner *rlockowner);
J. Bruce Fields3e98abf2011-07-16 17:15:10 -0400617extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
Al Virob37ad282006-10-19 23:28:59 -0700618extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800619 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800620extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
621 struct nfsd4_compound_state *, clientid_t *clid);
Bryan Schumaker17456802011-07-13 10:50:48 -0400622extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
623 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400624extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
625 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
J. Bruce Fields9411b1d2013-04-01 16:37:12 -0400626extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627#endif
628
629/*
630 * Local variables:
631 * c-basic-offset: 8
632 * End:
633 */