blob: d9554813e58afaa15d8e94292e776ea7b7f27f01 [file] [log] [blame]
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
43#define NFSD4_MAX_TAGLEN 128
44#define XDR_LEN(n) (((n) + 3) & ~3)
45
Tigran Mkrtchyan37c593c2012-02-13 22:55:32 +010046#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
J.Bruce Fieldsca364312006-12-13 00:35:27 -080053struct nfsd4_compound_state {
Andy Adamsone354d572009-03-28 11:30:52 +030054 struct svc_fh current_fh;
55 struct svc_fh save_fh;
56 struct nfs4_stateowner *replay_owner;
Jeff Layton4b24ca72014-06-30 11:48:44 -040057 struct nfs4_client *clp;
Benny Halevyb85d4c02009-04-03 08:28:08 +030058 /* For sessions DRC */
59 struct nfsd4_session *session;
60 struct nfsd4_slot *slot;
J. Bruce Fieldsf5236012014-03-21 17:57:57 -040061 int data_offset;
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 {
J. Bruce Fields7fb84302014-06-24 15:06:41 -0400110 u32 datalen;
111 char *data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 } 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};
J. Bruce Fields7fb84302014-06-24 15:06:41 -0400124#define cr_datalen u.link.datalen
125#define cr_data u.link.data
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126#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 */
Sachin Bhamare8287f002015-04-27 14:50:14 +0200250 struct nfs4_clnt_odstate *op_odstate; /* used during processing */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251 struct nfs4_acl *op_acl;
David Quigley18032ca2013-05-02 13:19:10 -0400252 struct xdr_netobj op_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254
255struct nfsd4_open_confirm {
256 stateid_t oc_req_stateid /* request */;
257 u32 oc_seqid /* request */;
258 stateid_t oc_resp_stateid /* response */;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259};
260
261struct nfsd4_open_downgrade {
262 stateid_t od_stateid;
263 u32 od_seqid;
Benny Halevy2c8bd7e2012-02-16 20:57:09 +0200264 u32 od_share_access; /* request */
265 u32 od_deleg_want; /* request */
266 u32 od_share_deny; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267};
268
269
270struct nfsd4_read {
271 stateid_t rd_stateid; /* request */
272 u64 rd_offset; /* request */
273 u32 rd_length; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700274 int rd_vlen;
275 struct file *rd_filp;
Christoph Hellwigaf90f702015-06-18 16:45:00 +0200276 bool rd_tmp_file;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277
278 struct svc_rqst *rd_rqstp; /* response */
279 struct svc_fh * rd_fhp; /* response */
280};
281
282struct nfsd4_readdir {
283 u64 rd_cookie; /* request */
284 nfs4_verifier rd_verf; /* request */
285 u32 rd_dircount; /* request */
286 u32 rd_maxcount; /* request */
Andy Adamson7e705702009-04-03 08:29:11 +0300287 u32 rd_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288 struct svc_rqst *rd_rqstp; /* response */
289 struct svc_fh * rd_fhp; /* response */
290
291 struct readdir_cd common;
J. Bruce Fields561f0ed2014-01-20 16:37:11 -0500292 struct xdr_stream *xdr;
293 int cookie_offset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294};
295
296struct nfsd4_release_lockowner {
297 clientid_t rl_clientid;
298 struct xdr_netobj rl_owner;
299};
300struct nfsd4_readlink {
301 struct svc_rqst *rl_rqstp; /* request */
302 struct svc_fh * rl_fhp; /* request */
303};
304
305struct nfsd4_remove {
306 u32 rm_namelen; /* request */
307 char * rm_name; /* request */
308 struct nfsd4_change_info rm_cinfo; /* response */
309};
310
311struct 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
Andy Adamsondcb488a32007-07-17 04:04:51 -0700320struct nfsd4_secinfo {
321 u32 si_namelen; /* request */
322 char *si_name; /* request */
323 struct svc_export *si_exp; /* response */
324};
325
J. Bruce Fields04f4ad12010-12-16 09:51:13 -0500326struct nfsd4_secinfo_no_name {
327 u32 sin_style; /* request */
328 struct svc_export *sin_exp; /* response */
329};
330
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331struct nfsd4_setattr {
332 stateid_t sa_stateid; /* request */
Andy Adamson7e705702009-04-03 08:29:11 +0300333 u32 sa_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 struct iattr sa_iattr; /* request */
335 struct nfs4_acl *sa_acl;
David Quigley18032ca2013-05-02 13:19:10 -0400336 struct xdr_netobj sa_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337};
338
339struct nfsd4_setclientid {
340 nfs4_verifier se_verf; /* request */
J. Bruce Fieldsa084daf2011-10-10 15:07:40 -0400341 struct xdr_netobj se_name;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342 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
352struct nfsd4_setclientid_confirm {
353 clientid_t sc_clientid;
354 nfs4_verifier sc_confirm;
355};
356
Bryan Schumaker17456802011-07-13 10:50:48 -0400357struct nfsd4_saved_compoundargs {
358 __be32 *p;
359 __be32 *end;
360 int pagelen;
361 struct page **pagelist;
362};
363
Bryan Schumaker03cfb422012-01-27 10:22:49 -0500364struct nfsd4_test_stateid_id {
365 __be32 ts_id_status;
366 stateid_t ts_id_stateid;
367 struct list_head ts_id_list;
368};
369
Bryan Schumaker17456802011-07-13 10:50:48 -0400370struct nfsd4_test_stateid {
J. Bruce Fields57b7b432012-04-25 17:58:50 -0400371 u32 ts_num_ids;
Bryan Schumaker03cfb422012-01-27 10:22:49 -0500372 struct list_head ts_stateid_list;
Bryan Schumaker17456802011-07-13 10:50:48 -0400373};
374
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400375struct nfsd4_free_stateid {
376 stateid_t fr_stateid; /* request */
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400377};
378
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379/* also used for NVERIFY */
380struct nfsd4_verify {
Andy Adamson7e705702009-04-03 08:29:11 +0300381 u32 ve_bmval[3]; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700382 u32 ve_attrlen; /* request */
383 char * ve_attrval; /* request */
384};
385
386struct nfsd4_write {
387 stateid_t wr_stateid; /* request */
388 u64 wr_offset; /* request */
389 u32 wr_stable_how; /* request */
390 u32 wr_buflen; /* request */
J. Bruce Fields70cc7f72012-11-16 14:16:46 -0500391 struct kvec wr_head;
392 struct page ** wr_pagelist; /* request */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393
394 u32 wr_bytes_written; /* response */
395 u32 wr_how_written; /* response */
396 nfs4_verifier wr_verifier; /* response */
397};
398
Andy Adamson2db134e2009-04-03 08:27:55 +0300399struct nfsd4_exchange_id {
Andy Adamson0733d212009-04-03 08:28:01 +0300400 nfs4_verifier verifier;
401 struct xdr_netobj clname;
402 u32 flags;
403 clientid_t clientid;
404 u32 seqid;
405 int spa_how;
Andy Adamson2db134e2009-04-03 08:27:55 +0300406};
407
Andy Adamson2db134e2009-04-03 08:27:55 +0300408struct nfsd4_sequence {
Benny Halevyb85d4c02009-04-03 08:28:08 +0300409 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 */
Benny Halevyb85d4c02009-04-03 08:28:08 +0300416#endif /* not yet */
J. Bruce Fields0d7bb712010-11-18 08:30:33 -0500417 u32 status_flags; /* response */
Andy Adamson2db134e2009-04-03 08:27:55 +0300418};
419
420struct nfsd4_destroy_session {
Benny Halevye10e0cf2009-04-03 08:28:38 +0300421 struct nfs4_sessionid sessionid;
Andy Adamson2db134e2009-04-03 08:27:55 +0300422};
423
Mi Jinlong345c2842011-10-20 17:51:39 +0800424struct nfsd4_destroy_clientid {
425 clientid_t clientid;
426};
427
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400428struct nfsd4_reclaim_complete {
429 u32 rca_one_fs;
430};
431
Christoph Hellwig9cf514c2014-05-05 13:11:59 +0200432struct nfsd4_deviceid {
433 u64 fsid_idx;
434 u32 generation;
435 u32 pad;
436};
437
438struct nfsd4_layout_seg {
439 u32 iomode;
440 u64 offset;
441 u64 length;
442};
443
444struct 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
452struct 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
462struct 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
476struct 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
Anna Schumaker95d871f2014-11-07 14:44:26 -0500487struct nfsd4_fallocate {
488 /* request */
489 stateid_t falloc_stateid;
490 loff_t falloc_offset;
491 u64 falloc_length;
492};
493
Christoph Hellwigffa01602015-12-03 12:59:52 +0100494struct nfsd4_clone {
495 /* request */
496 stateid_t cl_src_stateid;
497 stateid_t cl_dst_stateid;
498 u64 cl_src_pos;
499 u64 cl_dst_pos;
500 u64 cl_count;
501};
502
Anna Schumaker24bab492014-09-26 13:58:27 -0400503struct nfsd4_seek {
504 /* request */
505 stateid_t seek_stateid;
506 loff_t seek_offset;
507 u32 seek_whence;
508
509 /* response */
510 u32 seek_eof;
511 loff_t seek_pos;
512};
513
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514struct nfsd4_op {
515 int opnum;
Al Virob37ad282006-10-19 23:28:59 -0700516 __be32 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700517 union {
518 struct nfsd4_access access;
519 struct nfsd4_close close;
520 struct nfsd4_commit commit;
521 struct nfsd4_create create;
522 struct nfsd4_delegreturn delegreturn;
523 struct nfsd4_getattr getattr;
524 struct svc_fh * getfh;
525 struct nfsd4_link link;
526 struct nfsd4_lock lock;
527 struct nfsd4_lockt lockt;
528 struct nfsd4_locku locku;
529 struct nfsd4_lookup lookup;
530 struct nfsd4_verify nverify;
531 struct nfsd4_open open;
532 struct nfsd4_open_confirm open_confirm;
533 struct nfsd4_open_downgrade open_downgrade;
534 struct nfsd4_putfh putfh;
535 struct nfsd4_read read;
536 struct nfsd4_readdir readdir;
537 struct nfsd4_readlink readlink;
538 struct nfsd4_remove remove;
539 struct nfsd4_rename rename;
540 clientid_t renew;
Andy Adamsondcb488a32007-07-17 04:04:51 -0700541 struct nfsd4_secinfo secinfo;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542 struct nfsd4_setattr setattr;
543 struct nfsd4_setclientid setclientid;
544 struct nfsd4_setclientid_confirm setclientid_confirm;
545 struct nfsd4_verify verify;
546 struct nfsd4_write write;
547 struct nfsd4_release_lockowner release_lockowner;
Andy Adamson2db134e2009-04-03 08:27:55 +0300548
549 /* NFSv4.1 */
550 struct nfsd4_exchange_id exchange_id;
J. Bruce Fieldscb73a9f2012-11-01 18:09:48 -0400551 struct nfsd4_backchannel_ctl backchannel_ctl;
J. Bruce Fields1d1bc8f2010-10-04 23:12:59 -0400552 struct nfsd4_bind_conn_to_session bind_conn_to_session;
Andy Adamson2db134e2009-04-03 08:27:55 +0300553 struct nfsd4_create_session create_session;
554 struct nfsd4_destroy_session destroy_session;
555 struct nfsd4_sequence sequence;
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400556 struct nfsd4_reclaim_complete reclaim_complete;
Bryan Schumaker17456802011-07-13 10:50:48 -0400557 struct nfsd4_test_stateid test_stateid;
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400558 struct nfsd4_free_stateid free_stateid;
Christoph Hellwig9cf514c2014-05-05 13:11:59 +0200559 struct nfsd4_getdeviceinfo getdeviceinfo;
560 struct nfsd4_layoutget layoutget;
561 struct nfsd4_layoutcommit layoutcommit;
562 struct nfsd4_layoutreturn layoutreturn;
Anna Schumaker24bab492014-09-26 13:58:27 -0400563
564 /* NFSv4.2 */
Anna Schumaker95d871f2014-11-07 14:44:26 -0500565 struct nfsd4_fallocate allocate;
Anna Schumakerb0cb9082014-11-07 14:44:27 -0500566 struct nfsd4_fallocate deallocate;
Christoph Hellwigffa01602015-12-03 12:59:52 +0100567 struct nfsd4_clone clone;
Anna Schumaker24bab492014-09-26 13:58:27 -0400568 struct nfsd4_seek seek;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569 } u;
570 struct nfs4_replay * replay;
571};
572
J. Bruce Fields10910062011-01-24 12:11:02 -0500573bool nfsd4_cache_this_op(struct nfsd4_op *);
574
J. Bruce Fieldsd5e23382014-06-24 17:43:45 -0400575/*
576 * Memory needed just for the duration of processing one compound:
577 */
578struct svcxdr_tmpbuf {
579 struct svcxdr_tmpbuf *next;
580 char buf[];
581};
582
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583struct nfsd4_compoundargs {
584 /* scratch variables for XDR decode */
Al Viro2ebbc012006-10-19 23:28:58 -0700585 __be32 * p;
586 __be32 * end;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587 struct page ** pagelist;
588 int pagelen;
Al Viro2ebbc012006-10-19 23:28:58 -0700589 __be32 tmp[8];
590 __be32 * tmpp;
J. Bruce Fieldsd5e23382014-06-24 17:43:45 -0400591 struct svcxdr_tmpbuf *to_free;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592
593 struct svc_rqst *rqstp;
594
595 u32 taglen;
596 char * tag;
597 u32 minorversion;
598 u32 opcnt;
599 struct nfsd4_op *ops;
600 struct nfsd4_op iops[8];
J. Bruce Fields10910062011-01-24 12:11:02 -0500601 int cachetype;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602};
603
604struct nfsd4_compoundres {
605 /* scratch variables for XDR encode */
J. Bruce Fields4aea24b2014-01-15 15:17:58 -0500606 struct xdr_stream xdr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700607 struct svc_rqst * rqstp;
608
609 u32 taglen;
610 char * tag;
611 u32 opcnt;
Andy Adamsone354d572009-03-28 11:30:52 +0300612 __be32 * tagp; /* tag, opcount encode location */
613 struct nfsd4_compound_state cstate;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614};
615
Andy Adamsonbf864a32009-04-03 08:28:35 +0300616static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
617{
618 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
Andy Adamson468de9e2009-08-27 12:07:40 -0400619 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
Andy Adamsonbf864a32009-04-03 08:28:35 +0300620}
621
622static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
623{
J. Bruce Fields73e79482012-02-13 16:39:00 -0500624 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
625 || nfsd4_is_solo_sequence(resp);
Andy Adamsonbf864a32009-04-03 08:28:35 +0300626}
627
J. Bruce Fields9b3234b2012-12-04 18:03:46 -0500628static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
629{
630 struct nfsd4_compoundres *resp = rqstp->rq_resp;
631 struct nfsd4_compoundargs *argp = rqstp->rq_argp;
632
633 return argp->opcnt == resp->opcnt;
634}
635
J. Bruce Fields4f0cefb2014-03-11 15:39:13 -0400636int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
J. Bruce Fields07d1f802014-03-06 20:39:29 -0500637void warn_on_nonidempotent_op(struct nfsd4_op *op);
638
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
640
641static inline void
642set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
643{
Neil Brownc1ac3ff2010-12-02 11:14:30 +1100644 BUG_ON(!fhp->fh_pre_saved);
Jeff Laytonaaf91ec2015-09-17 08:28:39 -0400645 cinfo->atomic = (u32)fhp->fh_post_saved;
David Howells2b0143b2015-03-17 22:25:59 +0000646 cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
Neil Brownc1ac3ff2010-12-02 11:14:30 +1100647
648 cinfo->before_change = fhp->fh_pre_change;
649 cinfo->after_change = fhp->fh_post_change;
650 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
651 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
652 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
653 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
654
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655}
656
Al Viro2ebbc012006-10-19 23:28:58 -0700657int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
658int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659 struct nfsd4_compoundargs *);
Al Viro2ebbc012006-10-19 23:28:58 -0700660int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 struct nfsd4_compoundres *);
J. Bruce Fields57b7b432012-04-25 17:58:50 -0400662__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
J. Bruce Fieldsd0a381d2014-01-30 17:18:38 -0500664void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
J. Bruce Fieldsd5184652013-08-26 16:04:46 -0400665__be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
666 struct svc_fh *fhp, struct svc_export *exp,
667 struct dentry *dentry,
668 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
Al Virob37ad282006-10-19 23:28:59 -0700669extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800670 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671 struct nfsd4_setclientid *setclid);
Al Virob37ad282006-10-19 23:28:59 -0700672extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800673 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700674 struct nfsd4_setclientid_confirm *setclientid_confirm);
Andy Adamson069b6ad2009-04-03 08:27:58 +0300675extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
J. Bruce Fields3c4ab2a2010-04-19 15:12:51 -0400676 struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
J. Bruce Fieldscb73a9f2012-11-01 18:09:48 -0400677extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
J. Bruce Fields1d1bc8f2010-10-04 23:12:59 -0400678extern __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 -0400679extern __be32 nfsd4_create_session(struct svc_rqst *,
Andy Adamson069b6ad2009-04-03 08:27:58 +0300680 struct nfsd4_compound_state *,
681 struct nfsd4_create_session *);
682extern __be32 nfsd4_sequence(struct svc_rqst *,
683 struct nfsd4_compound_state *,
684 struct nfsd4_sequence *);
Trond Myklebustb6076642014-06-30 11:48:35 -0400685extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
Andy Adamson069b6ad2009-04-03 08:27:58 +0300686extern __be32 nfsd4_destroy_session(struct svc_rqst *,
687 struct nfsd4_compound_state *,
688 struct nfsd4_destroy_session *);
Mi Jinlong345c2842011-10-20 17:51:39 +0800689extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
J. Bruce Fields4dc6ec02010-04-19 15:11:28 -0400690__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
Andy Adamson66689582009-04-03 08:28:45 +0300691extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
Stanislav Kinsbursky3320fef192012-11-14 18:22:07 +0300692 struct nfsd4_open *open, struct nfsd_net *nn);
Al Virob37ad282006-10-19 23:28:59 -0700693extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694 struct svc_fh *current_fh, struct nfsd4_open *open);
Jeff Layton58fb12e2014-07-29 21:34:27 -0400695extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate);
696extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
Jeff Layton42297892015-03-23 10:53:44 -0400697 struct nfsd4_open *open);
Al Virob37ad282006-10-19 23:28:59 -0700698extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800699 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800700extern __be32 nfsd4_close(struct svc_rqst *rqstp,
701 struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800702 struct nfsd4_close *close);
Al Virob37ad282006-10-19 23:28:59 -0700703extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800704 struct nfsd4_compound_state *,
705 struct nfsd4_open_downgrade *od);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800706extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800707 struct nfsd4_lock *lock);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800708extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
709 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710 struct nfsd4_lockt *lockt);
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800711extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
712 struct nfsd4_compound_state *,
J.Bruce Fieldsa4f1706a92006-12-13 00:35:28 -0800713 struct nfsd4_locku *locku);
Al Virob37ad282006-10-19 23:28:59 -0700714extern __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715nfsd4_release_lockowner(struct svc_rqst *rqstp,
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800716 struct nfsd4_compound_state *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717 struct nfsd4_release_lockowner *rlockowner);
J. Bruce Fields3e98abf2011-07-16 17:15:10 -0400718extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
Al Virob37ad282006-10-19 23:28:59 -0700719extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
J.Bruce Fieldsca364312006-12-13 00:35:27 -0800720 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
J.Bruce Fieldsb5914802006-12-13 00:35:38 -0800721extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
722 struct nfsd4_compound_state *, clientid_t *clid);
Bryan Schumaker17456802011-07-13 10:50:48 -0400723extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
724 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
Bryan Schumakere1ca12d2011-07-13 11:04:21 -0400725extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
726 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
J. Bruce Fields9411b1d2013-04-01 16:37:12 -0400727extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
Jeff Layton58fb12e2014-07-29 21:34:27 -0400728
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729#endif
730
731/*
732 * Local variables:
733 * c-basic-offset: 8
734 * End:
735 */