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1da177e4 | 1 | /* |
1da177e4 LT |
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 | ||
9a74af21 BH |
40 | #include "state.h" |
41 | #include "nfsd.h" | |
1da177e4 LT |
42 | |
43 | #define NFSD4_MAX_TAGLEN 128 | |
44 | #define XDR_LEN(n) (((n) + 3) & ~3) | |
45 | ||
37c593c5 TM |
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 | ||
ca364317 | 53 | struct nfsd4_compound_state { |
e354d571 AA |
54 | struct svc_fh current_fh; |
55 | struct svc_fh save_fh; | |
56 | struct nfs4_stateowner *replay_owner; | |
4b24ca7d | 57 | struct nfs4_client *clp; |
b85d4c01 BH |
58 | /* For sessions DRC */ |
59 | struct nfsd4_session *session; | |
60 | struct nfsd4_slot *slot; | |
f5236013 | 61 | int data_offset; |
ed941643 | 62 | bool spo_must_allowed; |
da3846a2 | 63 | size_t iovlen; |
d87a8ade | 64 | u32 minorversion; |
57b7b43b | 65 | __be32 status; |
37c593c5 TM |
66 | stateid_t current_stateid; |
67 | stateid_t save_stateid; | |
68 | /* to indicate current and saved state id presents */ | |
69 | u32 sid_flags; | |
ca364317 BF |
70 | }; |
71 | ||
6668958f AA |
72 | static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) |
73 | { | |
74 | return cs->slot != NULL; | |
75 | } | |
76 | ||
1da177e4 LT |
77 | struct nfsd4_change_info { |
78 | u32 atomic; | |
c654b8a9 | 79 | bool change_supported; |
1da177e4 LT |
80 | u32 before_ctime_sec; |
81 | u32 before_ctime_nsec; | |
c654b8a9 | 82 | u64 before_change; |
1da177e4 LT |
83 | u32 after_ctime_sec; |
84 | u32 after_ctime_nsec; | |
c654b8a9 | 85 | u64 after_change; |
1da177e4 LT |
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 */ | |
1da177e4 LT |
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 { | |
7fb84306 BF |
111 | u32 datalen; |
112 | char *data; | |
38a70315 | 113 | struct kvec first; |
1da177e4 LT |
114 | } link; /* NF4LNK */ |
115 | struct { | |
116 | u32 specdata1; | |
117 | u32 specdata2; | |
118 | } dev; /* NF4BLK, NF4CHR */ | |
119 | } u; | |
7e705706 | 120 | u32 cr_bmval[3]; /* request */ |
1da177e4 | 121 | struct iattr cr_iattr; /* request */ |
880a3a53 | 122 | int cr_umask; /* request */ |
1da177e4 LT |
123 | struct nfsd4_change_info cr_cinfo; /* response */ |
124 | struct nfs4_acl *cr_acl; | |
18032ca0 | 125 | struct xdr_netobj cr_label; |
1da177e4 | 126 | }; |
7fb84306 BF |
127 | #define cr_datalen u.link.datalen |
128 | #define cr_data u.link.data | |
38a70315 | 129 | #define cr_first u.link.first |
1da177e4 LT |
130 | #define cr_specdata1 u.dev.specdata1 |
131 | #define cr_specdata2 u.dev.specdata2 | |
132 | ||
133 | struct nfsd4_delegreturn { | |
134 | stateid_t dr_stateid; | |
135 | }; | |
136 | ||
137 | struct nfsd4_getattr { | |
7e705706 | 138 | u32 ga_bmval[3]; /* request */ |
1da177e4 LT |
139 | struct svc_fh *ga_fhp; /* response */ |
140 | }; | |
141 | ||
142 | struct nfsd4_link { | |
143 | u32 li_namelen; /* request */ | |
144 | char * li_name; /* request */ | |
145 | struct nfsd4_change_info li_cinfo; /* response */ | |
146 | }; | |
147 | ||
148 | struct nfsd4_lock_denied { | |
149 | clientid_t ld_clientid; | |
7c13f344 | 150 | struct xdr_netobj ld_owner; |
1da177e4 LT |
151 | u64 ld_start; |
152 | u64 ld_length; | |
153 | u32 ld_type; | |
154 | }; | |
155 | ||
156 | struct nfsd4_lock { | |
157 | /* request */ | |
158 | u32 lk_type; | |
159 | u32 lk_reclaim; /* boolean */ | |
160 | u64 lk_offset; | |
161 | u64 lk_length; | |
162 | u32 lk_is_new; | |
163 | union { | |
164 | struct { | |
165 | u32 open_seqid; | |
166 | stateid_t open_stateid; | |
167 | u32 lock_seqid; | |
168 | clientid_t clientid; | |
169 | struct xdr_netobj owner; | |
170 | } new; | |
171 | struct { | |
172 | stateid_t lock_stateid; | |
173 | u32 lock_seqid; | |
174 | } old; | |
175 | } v; | |
176 | ||
177 | /* response */ | |
178 | union { | |
179 | struct { | |
180 | stateid_t stateid; | |
181 | } ok; | |
182 | struct nfsd4_lock_denied denied; | |
183 | } u; | |
1da177e4 LT |
184 | }; |
185 | #define lk_new_open_seqid v.new.open_seqid | |
186 | #define lk_new_open_stateid v.new.open_stateid | |
187 | #define lk_new_lock_seqid v.new.lock_seqid | |
188 | #define lk_new_clientid v.new.clientid | |
189 | #define lk_new_owner v.new.owner | |
190 | #define lk_old_lock_stateid v.old.lock_stateid | |
191 | #define lk_old_lock_seqid v.old.lock_seqid | |
192 | ||
1da177e4 LT |
193 | #define lk_resp_stateid u.ok.stateid |
194 | #define lk_denied u.denied | |
195 | ||
196 | ||
197 | struct nfsd4_lockt { | |
198 | u32 lt_type; | |
199 | clientid_t lt_clientid; | |
200 | struct xdr_netobj lt_owner; | |
201 | u64 lt_offset; | |
202 | u64 lt_length; | |
1da177e4 LT |
203 | struct nfsd4_lock_denied lt_denied; |
204 | }; | |
205 | ||
206 | ||
207 | struct nfsd4_locku { | |
208 | u32 lu_type; | |
209 | u32 lu_seqid; | |
210 | stateid_t lu_stateid; | |
211 | u64 lu_offset; | |
212 | u64 lu_length; | |
1da177e4 LT |
213 | }; |
214 | ||
215 | ||
216 | struct nfsd4_lookup { | |
217 | u32 lo_len; /* request */ | |
218 | char * lo_name; /* request */ | |
219 | }; | |
220 | ||
221 | struct nfsd4_putfh { | |
222 | u32 pf_fhlen; /* request */ | |
223 | char *pf_fhval; /* request */ | |
224 | }; | |
225 | ||
226 | struct nfsd4_open { | |
227 | u32 op_claim_type; /* request */ | |
228 | struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ | |
229 | u32 op_delegate_type; /* request - CLAIM_PREV only */ | |
230 | stateid_t op_delegate_stateid; /* request - response */ | |
d24433cd | 231 | u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ |
1da177e4 LT |
232 | u32 op_create; /* request */ |
233 | u32 op_createmode; /* request */ | |
880a3a53 | 234 | int op_umask; /* request */ |
7e705706 | 235 | u32 op_bmval[3]; /* request */ |
3ff69309 | 236 | struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
ab4684d1 CL |
237 | nfs4_verifier op_verf __attribute__((aligned(32))); |
238 | /* EXCLUSIVE4 */ | |
1da177e4 LT |
239 | clientid_t op_clientid; /* request */ |
240 | struct xdr_netobj op_owner; /* request */ | |
241 | u32 op_seqid; /* request */ | |
242 | u32 op_share_access; /* request */ | |
243 | u32 op_share_deny; /* request */ | |
2c8bd7e0 | 244 | u32 op_deleg_want; /* request */ |
1da177e4 | 245 | stateid_t op_stateid; /* response */ |
9d313b17 | 246 | __be32 op_xdr_error; /* see nfsd4_open_omfg() */ |
7b190fec | 247 | u32 op_recall; /* recall */ |
1da177e4 LT |
248 | struct nfsd4_change_info op_cinfo; /* response */ |
249 | u32 op_rflags; /* response */ | |
856121b2 BF |
250 | bool op_truncate; /* used during processing */ |
251 | bool op_created; /* used during processing */ | |
fe0750e5 | 252 | struct nfs4_openowner *op_openowner; /* used during processing */ |
32513b40 | 253 | struct nfs4_file *op_file; /* used during processing */ |
4cdc951b | 254 | struct nfs4_ol_stateid *op_stp; /* used during processing */ |
8287f009 | 255 | struct nfs4_clnt_odstate *op_odstate; /* used during processing */ |
1da177e4 | 256 | struct nfs4_acl *op_acl; |
18032ca0 | 257 | struct xdr_netobj op_label; |
1da177e4 | 258 | }; |
1da177e4 LT |
259 | |
260 | struct nfsd4_open_confirm { | |
261 | stateid_t oc_req_stateid /* request */; | |
262 | u32 oc_seqid /* request */; | |
263 | stateid_t oc_resp_stateid /* response */; | |
1da177e4 LT |
264 | }; |
265 | ||
266 | struct nfsd4_open_downgrade { | |
267 | stateid_t od_stateid; | |
268 | u32 od_seqid; | |
2c8bd7e0 BH |
269 | u32 od_share_access; /* request */ |
270 | u32 od_deleg_want; /* request */ | |
271 | u32 od_share_deny; /* request */ | |
1da177e4 LT |
272 | }; |
273 | ||
274 | ||
275 | struct nfsd4_read { | |
276 | stateid_t rd_stateid; /* request */ | |
277 | u64 rd_offset; /* request */ | |
278 | u32 rd_length; /* request */ | |
1da177e4 LT |
279 | int rd_vlen; |
280 | struct file *rd_filp; | |
af90f707 | 281 | bool rd_tmp_file; |
1da177e4 LT |
282 | |
283 | struct svc_rqst *rd_rqstp; /* response */ | |
284 | struct svc_fh * rd_fhp; /* response */ | |
285 | }; | |
286 | ||
287 | struct nfsd4_readdir { | |
288 | u64 rd_cookie; /* request */ | |
289 | nfs4_verifier rd_verf; /* request */ | |
290 | u32 rd_dircount; /* request */ | |
291 | u32 rd_maxcount; /* request */ | |
7e705706 | 292 | u32 rd_bmval[3]; /* request */ |
1da177e4 LT |
293 | struct svc_rqst *rd_rqstp; /* response */ |
294 | struct svc_fh * rd_fhp; /* response */ | |
295 | ||
296 | struct readdir_cd common; | |
561f0ed4 BF |
297 | struct xdr_stream *xdr; |
298 | int cookie_offset; | |
1da177e4 LT |
299 | }; |
300 | ||
301 | struct nfsd4_release_lockowner { | |
302 | clientid_t rl_clientid; | |
303 | struct xdr_netobj rl_owner; | |
304 | }; | |
305 | struct nfsd4_readlink { | |
306 | struct svc_rqst *rl_rqstp; /* request */ | |
307 | struct svc_fh * rl_fhp; /* request */ | |
308 | }; | |
309 | ||
310 | struct nfsd4_remove { | |
311 | u32 rm_namelen; /* request */ | |
312 | char * rm_name; /* request */ | |
313 | struct nfsd4_change_info rm_cinfo; /* response */ | |
314 | }; | |
315 | ||
316 | struct nfsd4_rename { | |
317 | u32 rn_snamelen; /* request */ | |
318 | char * rn_sname; /* request */ | |
319 | u32 rn_tnamelen; /* request */ | |
320 | char * rn_tname; /* request */ | |
321 | struct nfsd4_change_info rn_sinfo; /* response */ | |
322 | struct nfsd4_change_info rn_tinfo; /* response */ | |
323 | }; | |
324 | ||
dcb488a3 AA |
325 | struct nfsd4_secinfo { |
326 | u32 si_namelen; /* request */ | |
327 | char *si_name; /* request */ | |
328 | struct svc_export *si_exp; /* response */ | |
329 | }; | |
330 | ||
04f4ad16 BF |
331 | struct nfsd4_secinfo_no_name { |
332 | u32 sin_style; /* request */ | |
333 | struct svc_export *sin_exp; /* response */ | |
334 | }; | |
335 | ||
1da177e4 LT |
336 | struct nfsd4_setattr { |
337 | stateid_t sa_stateid; /* request */ | |
7e705706 | 338 | u32 sa_bmval[3]; /* request */ |
1da177e4 LT |
339 | struct iattr sa_iattr; /* request */ |
340 | struct nfs4_acl *sa_acl; | |
18032ca0 | 341 | struct xdr_netobj sa_label; |
1da177e4 LT |
342 | }; |
343 | ||
344 | struct nfsd4_setclientid { | |
345 | nfs4_verifier se_verf; /* request */ | |
a084daf5 | 346 | struct xdr_netobj se_name; |
1da177e4 LT |
347 | u32 se_callback_prog; /* request */ |
348 | u32 se_callback_netid_len; /* request */ | |
349 | char * se_callback_netid_val; /* request */ | |
350 | u32 se_callback_addr_len; /* request */ | |
351 | char * se_callback_addr_val; /* request */ | |
352 | u32 se_callback_ident; /* request */ | |
353 | clientid_t se_clientid; /* response */ | |
354 | nfs4_verifier se_confirm; /* response */ | |
355 | }; | |
356 | ||
357 | struct nfsd4_setclientid_confirm { | |
358 | clientid_t sc_clientid; | |
359 | nfs4_verifier sc_confirm; | |
360 | }; | |
361 | ||
17456804 BS |
362 | struct nfsd4_saved_compoundargs { |
363 | __be32 *p; | |
364 | __be32 *end; | |
365 | int pagelen; | |
366 | struct page **pagelist; | |
367 | }; | |
368 | ||
03cfb420 BS |
369 | struct nfsd4_test_stateid_id { |
370 | __be32 ts_id_status; | |
371 | stateid_t ts_id_stateid; | |
372 | struct list_head ts_id_list; | |
373 | }; | |
374 | ||
17456804 | 375 | struct nfsd4_test_stateid { |
57b7b43b | 376 | u32 ts_num_ids; |
03cfb420 | 377 | struct list_head ts_stateid_list; |
17456804 BS |
378 | }; |
379 | ||
e1ca12df BS |
380 | struct nfsd4_free_stateid { |
381 | stateid_t fr_stateid; /* request */ | |
e1ca12df BS |
382 | }; |
383 | ||
1da177e4 LT |
384 | /* also used for NVERIFY */ |
385 | struct nfsd4_verify { | |
7e705706 | 386 | u32 ve_bmval[3]; /* request */ |
1da177e4 LT |
387 | u32 ve_attrlen; /* request */ |
388 | char * ve_attrval; /* request */ | |
389 | }; | |
390 | ||
391 | struct nfsd4_write { | |
392 | stateid_t wr_stateid; /* request */ | |
393 | u64 wr_offset; /* request */ | |
394 | u32 wr_stable_how; /* request */ | |
395 | u32 wr_buflen; /* request */ | |
70cc7f75 BF |
396 | struct kvec wr_head; |
397 | struct page ** wr_pagelist; /* request */ | |
1da177e4 LT |
398 | |
399 | u32 wr_bytes_written; /* response */ | |
400 | u32 wr_how_written; /* response */ | |
401 | nfs4_verifier wr_verifier; /* response */ | |
402 | }; | |
403 | ||
2db134eb | 404 | struct nfsd4_exchange_id { |
0733d213 AA |
405 | nfs4_verifier verifier; |
406 | struct xdr_netobj clname; | |
407 | u32 flags; | |
408 | clientid_t clientid; | |
409 | u32 seqid; | |
410 | int spa_how; | |
ed941643 AE |
411 | u32 spo_must_enforce[3]; |
412 | u32 spo_must_allow[3]; | |
2db134eb AA |
413 | }; |
414 | ||
2db134eb | 415 | struct nfsd4_sequence { |
b85d4c01 BH |
416 | struct nfs4_sessionid sessionid; /* request/response */ |
417 | u32 seqid; /* request/response */ | |
418 | u32 slotid; /* request/response */ | |
419 | u32 maxslots; /* request/response */ | |
420 | u32 cachethis; /* request */ | |
421 | #if 0 | |
422 | u32 target_maxslots; /* response */ | |
b85d4c01 | 423 | #endif /* not yet */ |
0d7bb719 | 424 | u32 status_flags; /* response */ |
2db134eb AA |
425 | }; |
426 | ||
427 | struct nfsd4_destroy_session { | |
e10e0cfc | 428 | struct nfs4_sessionid sessionid; |
2db134eb AA |
429 | }; |
430 | ||
345c2842 MJ |
431 | struct nfsd4_destroy_clientid { |
432 | clientid_t clientid; | |
433 | }; | |
434 | ||
4dc6ec00 BF |
435 | struct nfsd4_reclaim_complete { |
436 | u32 rca_one_fs; | |
437 | }; | |
438 | ||
9cf514cc CH |
439 | struct nfsd4_deviceid { |
440 | u64 fsid_idx; | |
441 | u32 generation; | |
442 | u32 pad; | |
443 | }; | |
444 | ||
445 | struct nfsd4_layout_seg { | |
446 | u32 iomode; | |
447 | u64 offset; | |
448 | u64 length; | |
449 | }; | |
450 | ||
451 | struct nfsd4_getdeviceinfo { | |
452 | struct nfsd4_deviceid gd_devid; /* request */ | |
453 | u32 gd_layout_type; /* request */ | |
454 | u32 gd_maxcount; /* request */ | |
455 | u32 gd_notify_types;/* request - response */ | |
456 | void *gd_device; /* response */ | |
457 | }; | |
458 | ||
459 | struct nfsd4_layoutget { | |
460 | u64 lg_minlength; /* request */ | |
461 | u32 lg_signal; /* request */ | |
462 | u32 lg_layout_type; /* request */ | |
463 | u32 lg_maxcount; /* request */ | |
464 | stateid_t lg_sid; /* request/response */ | |
465 | struct nfsd4_layout_seg lg_seg; /* request/response */ | |
466 | void *lg_content; /* response */ | |
467 | }; | |
468 | ||
469 | struct nfsd4_layoutcommit { | |
470 | stateid_t lc_sid; /* request */ | |
471 | struct nfsd4_layout_seg lc_seg; /* request */ | |
472 | u32 lc_reclaim; /* request */ | |
473 | u32 lc_newoffset; /* request */ | |
474 | u64 lc_last_wr; /* request */ | |
475 | struct timespec lc_mtime; /* request */ | |
476 | u32 lc_layout_type; /* request */ | |
477 | u32 lc_up_len; /* layout length */ | |
478 | void *lc_up_layout; /* decoded by callback */ | |
479 | u32 lc_size_chg; /* boolean for response */ | |
480 | u64 lc_newsize; /* response */ | |
481 | }; | |
482 | ||
483 | struct nfsd4_layoutreturn { | |
484 | u32 lr_return_type; /* request */ | |
485 | u32 lr_layout_type; /* request */ | |
486 | struct nfsd4_layout_seg lr_seg; /* request */ | |
487 | u32 lr_reclaim; /* request */ | |
488 | u32 lrf_body_len; /* request */ | |
489 | void *lrf_body; /* request */ | |
490 | stateid_t lr_sid; /* request/response */ | |
491 | u32 lrs_present; /* response */ | |
492 | }; | |
493 | ||
95d871f0 AS |
494 | struct nfsd4_fallocate { |
495 | /* request */ | |
496 | stateid_t falloc_stateid; | |
497 | loff_t falloc_offset; | |
498 | u64 falloc_length; | |
499 | }; | |
500 | ||
ffa0160a CH |
501 | struct nfsd4_clone { |
502 | /* request */ | |
503 | stateid_t cl_src_stateid; | |
504 | stateid_t cl_dst_stateid; | |
505 | u64 cl_src_pos; | |
506 | u64 cl_dst_pos; | |
507 | u64 cl_count; | |
508 | }; | |
509 | ||
29ae7f9d AS |
510 | struct nfsd42_write_res { |
511 | u64 wr_bytes_written; | |
512 | u32 wr_stable_how; | |
513 | nfs4_verifier wr_verifier; | |
9eb190fc | 514 | stateid_t cb_stateid; |
29ae7f9d AS |
515 | }; |
516 | ||
517 | struct nfsd4_copy { | |
518 | /* request */ | |
519 | stateid_t cp_src_stateid; | |
520 | stateid_t cp_dst_stateid; | |
521 | u64 cp_src_pos; | |
522 | u64 cp_dst_pos; | |
523 | u64 cp_count; | |
524 | ||
525 | /* both */ | |
29ae7f9d AS |
526 | bool cp_synchronous; |
527 | ||
528 | /* response */ | |
529 | struct nfsd42_write_res cp_res; | |
9eb190fc OK |
530 | |
531 | /* for cb_offload */ | |
532 | struct nfsd4_callback cp_cb; | |
533 | __be32 nfserr; | |
534 | struct knfsd_fh fh; | |
e0639dc5 OK |
535 | |
536 | struct nfs4_client *cp_clp; | |
537 | ||
538 | struct file *file_src; | |
539 | struct file *file_dst; | |
540 | ||
541 | stateid_t cp_stateid; | |
542 | ||
543 | struct list_head copies; | |
544 | struct task_struct *copy_task; | |
545 | refcount_t refcount; | |
546 | bool stopped; | |
29ae7f9d AS |
547 | }; |
548 | ||
24bab491 AS |
549 | struct nfsd4_seek { |
550 | /* request */ | |
551 | stateid_t seek_stateid; | |
552 | loff_t seek_offset; | |
553 | u32 seek_whence; | |
554 | ||
555 | /* response */ | |
556 | u32 seek_eof; | |
557 | loff_t seek_pos; | |
558 | }; | |
559 | ||
6308bc98 OK |
560 | struct nfsd4_offload_status { |
561 | /* request */ | |
562 | stateid_t stateid; | |
563 | ||
564 | /* response */ | |
565 | u64 count; | |
566 | u32 status; | |
567 | }; | |
568 | ||
1da177e4 LT |
569 | struct nfsd4_op { |
570 | int opnum; | |
f4f9ef4a | 571 | const struct nfsd4_operation * opdesc; |
b37ad28b | 572 | __be32 status; |
b60e9859 | 573 | union nfsd4_op_u { |
1da177e4 LT |
574 | struct nfsd4_access access; |
575 | struct nfsd4_close close; | |
576 | struct nfsd4_commit commit; | |
577 | struct nfsd4_create create; | |
578 | struct nfsd4_delegreturn delegreturn; | |
579 | struct nfsd4_getattr getattr; | |
580 | struct svc_fh * getfh; | |
581 | struct nfsd4_link link; | |
582 | struct nfsd4_lock lock; | |
583 | struct nfsd4_lockt lockt; | |
584 | struct nfsd4_locku locku; | |
585 | struct nfsd4_lookup lookup; | |
586 | struct nfsd4_verify nverify; | |
587 | struct nfsd4_open open; | |
588 | struct nfsd4_open_confirm open_confirm; | |
589 | struct nfsd4_open_downgrade open_downgrade; | |
590 | struct nfsd4_putfh putfh; | |
591 | struct nfsd4_read read; | |
592 | struct nfsd4_readdir readdir; | |
593 | struct nfsd4_readlink readlink; | |
594 | struct nfsd4_remove remove; | |
595 | struct nfsd4_rename rename; | |
596 | clientid_t renew; | |
dcb488a3 | 597 | struct nfsd4_secinfo secinfo; |
1da177e4 LT |
598 | struct nfsd4_setattr setattr; |
599 | struct nfsd4_setclientid setclientid; | |
600 | struct nfsd4_setclientid_confirm setclientid_confirm; | |
601 | struct nfsd4_verify verify; | |
602 | struct nfsd4_write write; | |
603 | struct nfsd4_release_lockowner release_lockowner; | |
2db134eb AA |
604 | |
605 | /* NFSv4.1 */ | |
606 | struct nfsd4_exchange_id exchange_id; | |
cb73a9f4 | 607 | struct nfsd4_backchannel_ctl backchannel_ctl; |
1d1bc8f2 | 608 | struct nfsd4_bind_conn_to_session bind_conn_to_session; |
2db134eb AA |
609 | struct nfsd4_create_session create_session; |
610 | struct nfsd4_destroy_session destroy_session; | |
eb69853d | 611 | struct nfsd4_destroy_clientid destroy_clientid; |
2db134eb | 612 | struct nfsd4_sequence sequence; |
4dc6ec00 | 613 | struct nfsd4_reclaim_complete reclaim_complete; |
17456804 | 614 | struct nfsd4_test_stateid test_stateid; |
e1ca12df | 615 | struct nfsd4_free_stateid free_stateid; |
9cf514cc CH |
616 | struct nfsd4_getdeviceinfo getdeviceinfo; |
617 | struct nfsd4_layoutget layoutget; | |
618 | struct nfsd4_layoutcommit layoutcommit; | |
619 | struct nfsd4_layoutreturn layoutreturn; | |
eb69853d | 620 | struct nfsd4_secinfo_no_name secinfo_no_name; |
24bab491 AS |
621 | |
622 | /* NFSv4.2 */ | |
95d871f0 | 623 | struct nfsd4_fallocate allocate; |
b0cb9085 | 624 | struct nfsd4_fallocate deallocate; |
ffa0160a | 625 | struct nfsd4_clone clone; |
29ae7f9d | 626 | struct nfsd4_copy copy; |
6308bc98 | 627 | struct nfsd4_offload_status offload_status; |
24bab491 | 628 | struct nfsd4_seek seek; |
1da177e4 LT |
629 | } u; |
630 | struct nfs4_replay * replay; | |
631 | }; | |
632 | ||
1091006c BF |
633 | bool nfsd4_cache_this_op(struct nfsd4_op *); |
634 | ||
d5e23383 BF |
635 | /* |
636 | * Memory needed just for the duration of processing one compound: | |
637 | */ | |
638 | struct svcxdr_tmpbuf { | |
639 | struct svcxdr_tmpbuf *next; | |
640 | char buf[]; | |
641 | }; | |
642 | ||
1da177e4 LT |
643 | struct nfsd4_compoundargs { |
644 | /* scratch variables for XDR decode */ | |
2ebbc012 AV |
645 | __be32 * p; |
646 | __be32 * end; | |
1da177e4 LT |
647 | struct page ** pagelist; |
648 | int pagelen; | |
eae03e2a | 649 | bool tail; |
2ebbc012 AV |
650 | __be32 tmp[8]; |
651 | __be32 * tmpp; | |
d5e23383 | 652 | struct svcxdr_tmpbuf *to_free; |
1da177e4 LT |
653 | |
654 | struct svc_rqst *rqstp; | |
655 | ||
656 | u32 taglen; | |
657 | char * tag; | |
658 | u32 minorversion; | |
659 | u32 opcnt; | |
660 | struct nfsd4_op *ops; | |
661 | struct nfsd4_op iops[8]; | |
1091006c | 662 | int cachetype; |
1da177e4 LT |
663 | }; |
664 | ||
665 | struct nfsd4_compoundres { | |
666 | /* scratch variables for XDR encode */ | |
4aea24b2 | 667 | struct xdr_stream xdr; |
1da177e4 LT |
668 | struct svc_rqst * rqstp; |
669 | ||
670 | u32 taglen; | |
671 | char * tag; | |
672 | u32 opcnt; | |
e354d571 AA |
673 | __be32 * tagp; /* tag, opcount encode location */ |
674 | struct nfsd4_compound_state cstate; | |
1da177e4 LT |
675 | }; |
676 | ||
bf864a31 AA |
677 | static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) |
678 | { | |
679 | struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; | |
468de9e5 | 680 | return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
bf864a31 AA |
681 | } |
682 | ||
085def3a BF |
683 | /* |
684 | * The session reply cache only needs to cache replies that the client | |
685 | * actually asked us to. But it's almost free for us to cache compounds | |
686 | * consisting of only a SEQUENCE op, so we may as well cache those too. | |
687 | * Also, the protocol doesn't give us a convenient response in the case | |
688 | * of a replay of a solo SEQUENCE op that wasn't cached | |
689 | * (RETRY_UNCACHED_REP can only be returned in the second op of a | |
690 | * compound). | |
691 | */ | |
692 | static inline bool nfsd4_cache_this(struct nfsd4_compoundres *resp) | |
bf864a31 | 693 | { |
085def3a | 694 | return (resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) |
73e79482 | 695 | || nfsd4_is_solo_sequence(resp); |
bf864a31 AA |
696 | } |
697 | ||
9b3234b9 BF |
698 | static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) |
699 | { | |
700 | struct nfsd4_compoundres *resp = rqstp->rq_resp; | |
701 | struct nfsd4_compoundargs *argp = rqstp->rq_argp; | |
702 | ||
703 | return argp->opcnt == resp->opcnt; | |
704 | } | |
705 | ||
f4f9ef4a | 706 | const struct nfsd4_operation *OPDESC(struct nfsd4_op *op); |
4f0cefbf | 707 | int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); |
07d1f802 BF |
708 | void warn_on_nonidempotent_op(struct nfsd4_op *op); |
709 | ||
1da177e4 LT |
710 | #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) |
711 | ||
712 | static inline void | |
713 | set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) | |
714 | { | |
c1ac3ffc | 715 | BUG_ON(!fhp->fh_pre_saved); |
aaf91ec1 | 716 | cinfo->atomic = (u32)fhp->fh_post_saved; |
2b0143b5 | 717 | cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); |
c1ac3ffc NB |
718 | |
719 | cinfo->before_change = fhp->fh_pre_change; | |
720 | cinfo->after_change = fhp->fh_post_change; | |
721 | cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; | |
722 | cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; | |
723 | cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; | |
724 | cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; | |
725 | ||
1da177e4 LT |
726 | } |
727 | ||
dedeb13f AE |
728 | |
729 | bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp); | |
63f8de37 | 730 | int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *); |
026fec7e | 731 | int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *); |
63f8de37 | 732 | int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *); |
57b7b43b | 733 | __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); |
1da177e4 | 734 | void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
d0a381dd | 735 | void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); |
d5184658 BF |
736 | __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, |
737 | struct svc_fh *fhp, struct svc_export *exp, | |
738 | struct dentry *dentry, | |
739 | u32 *bmval, struct svc_rqst *, int ignore_crossmnt); | |
b37ad28b | 740 | extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
eb69853d | 741 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28b | 742 | extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
eb69853d | 743 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 744 | extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
eb69853d CH |
745 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
746 | extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, | |
747 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
748 | extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, | |
749 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
3c4ab2aa | 750 | extern __be32 nfsd4_create_session(struct svc_rqst *, |
eb69853d | 751 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 752 | extern __be32 nfsd4_sequence(struct svc_rqst *, |
eb69853d | 753 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b607664e | 754 | extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); |
069b6ad4 | 755 | extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
eb69853d CH |
756 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
757 | extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, | |
758 | union nfsd4_op_u *u); | |
759 | __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, | |
760 | union nfsd4_op_u *u); | |
6668958f | 761 | extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
3320fef1 | 762 | struct nfsd4_open *open, struct nfsd_net *nn); |
b37ad28b | 763 | extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
1da177e4 | 764 | struct svc_fh *current_fh, struct nfsd4_open *open); |
58fb12e6 JL |
765 | extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); |
766 | extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, | |
42297899 | 767 | struct nfsd4_open *open); |
b37ad28b | 768 | extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
eb69853d CH |
769 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
770 | extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
771 | union nfsd4_op_u *u); | |
b37ad28b | 772 | extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
eb69853d | 773 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
ca364317 | 774 | extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
eb69853d CH |
775 | union nfsd4_op_u *u); |
776 | extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
777 | union nfsd4_op_u *u); | |
778 | extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
779 | union nfsd4_op_u *u); | |
b37ad28b | 780 | extern __be32 |
1da177e4 | 781 | nfsd4_release_lockowner(struct svc_rqst *rqstp, |
eb69853d | 782 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
8537488b | 783 | extern void nfsd4_release_compoundargs(struct svc_rqst *rqstp); |
b37ad28b | 784 | extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
eb69853d CH |
785 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
786 | extern __be32 nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
787 | union nfsd4_op_u *u); | |
17456804 | 788 | extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, |
eb69853d | 789 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
e1ca12df | 790 | extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, |
eb69853d | 791 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
9411b1d4 | 792 | extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); |
58fb12e6 | 793 | |
0020939f BF |
794 | enum nfsd4_op_flags { |
795 | ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ | |
796 | ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */ | |
797 | ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */ | |
798 | /* For rfc 5661 section 2.6.3.1.1: */ | |
799 | OP_HANDLES_WRONGSEC = 1 << 3, | |
800 | OP_IS_PUTFH_LIKE = 1 << 4, | |
801 | /* | |
802 | * These are the ops whose result size we estimate before | |
803 | * encoding, to avoid performing an op then not being able to | |
804 | * respond or cache a response. This includes writes and setattrs | |
805 | * as well as the operations usually called "nonidempotent": | |
806 | */ | |
807 | OP_MODIFIES_SOMETHING = 1 << 5, | |
808 | /* | |
809 | * Cache compounds containing these ops in the xid-based drc: | |
810 | * We use the DRC for compounds containing non-idempotent | |
811 | * operations, *except* those that are 4.1-specific (since | |
812 | * sessions provide their own EOS), and except for stateful | |
813 | * operations other than setclientid and setclientid_confirm | |
814 | * (since sequence numbers provide EOS for open, lock, etc in | |
815 | * the v4.0 case). | |
816 | */ | |
817 | OP_CACHEME = 1 << 6, | |
818 | /* | |
819 | * These are ops which clear current state id. | |
820 | */ | |
821 | OP_CLEAR_STATEID = 1 << 7, | |
b7571e4c BF |
822 | /* Most ops return only an error on failure; some may do more: */ |
823 | OP_NONTRIVIAL_ERROR_ENCODE = 1 << 8, | |
0020939f BF |
824 | }; |
825 | ||
826 | struct nfsd4_operation { | |
827 | __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *, | |
828 | union nfsd4_op_u *); | |
34b1744c | 829 | void (*op_release)(union nfsd4_op_u *); |
0020939f BF |
830 | u32 op_flags; |
831 | char *op_name; | |
832 | /* Try to get response size before operation */ | |
833 | u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *); | |
834 | void (*op_get_currentstateid)(struct nfsd4_compound_state *, | |
835 | union nfsd4_op_u *); | |
836 | void (*op_set_currentstateid)(struct nfsd4_compound_state *, | |
837 | union nfsd4_op_u *); | |
838 | }; | |
839 | ||
840 | ||
1da177e4 LT |
841 | #endif |
842 | ||
843 | /* | |
844 | * Local variables: | |
845 | * c-basic-offset: 8 | |
846 | * End: | |
847 | */ |