Commit | Line | Data |
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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; | |
1da177e4 LT |
113 | } link; /* NF4LNK */ |
114 | struct { | |
115 | u32 specdata1; | |
116 | u32 specdata2; | |
117 | } dev; /* NF4BLK, NF4CHR */ | |
118 | } u; | |
7e705706 | 119 | u32 cr_bmval[3]; /* request */ |
1da177e4 | 120 | struct iattr cr_iattr; /* request */ |
9a0a5098 | 121 | int cr_umask; /* request */ |
1da177e4 LT |
122 | struct nfsd4_change_info cr_cinfo; /* response */ |
123 | struct nfs4_acl *cr_acl; | |
18032ca0 | 124 | struct xdr_netobj cr_label; |
1da177e4 | 125 | }; |
7fb84306 BF |
126 | #define cr_datalen u.link.datalen |
127 | #define cr_data u.link.data | |
1da177e4 LT |
128 | #define cr_specdata1 u.dev.specdata1 |
129 | #define cr_specdata2 u.dev.specdata2 | |
130 | ||
131 | struct nfsd4_delegreturn { | |
132 | stateid_t dr_stateid; | |
133 | }; | |
134 | ||
135 | struct nfsd4_getattr { | |
7e705706 | 136 | u32 ga_bmval[3]; /* request */ |
1da177e4 LT |
137 | struct svc_fh *ga_fhp; /* response */ |
138 | }; | |
139 | ||
140 | struct nfsd4_link { | |
141 | u32 li_namelen; /* request */ | |
142 | char * li_name; /* request */ | |
143 | struct nfsd4_change_info li_cinfo; /* response */ | |
144 | }; | |
145 | ||
146 | struct nfsd4_lock_denied { | |
147 | clientid_t ld_clientid; | |
7c13f344 | 148 | struct xdr_netobj ld_owner; |
1da177e4 LT |
149 | u64 ld_start; |
150 | u64 ld_length; | |
151 | u32 ld_type; | |
152 | }; | |
153 | ||
154 | struct nfsd4_lock { | |
155 | /* request */ | |
156 | u32 lk_type; | |
157 | u32 lk_reclaim; /* boolean */ | |
158 | u64 lk_offset; | |
159 | u64 lk_length; | |
160 | u32 lk_is_new; | |
161 | union { | |
162 | struct { | |
163 | u32 open_seqid; | |
164 | stateid_t open_stateid; | |
165 | u32 lock_seqid; | |
166 | clientid_t clientid; | |
167 | struct xdr_netobj owner; | |
168 | } new; | |
169 | struct { | |
170 | stateid_t lock_stateid; | |
171 | u32 lock_seqid; | |
172 | } old; | |
173 | } v; | |
174 | ||
175 | /* response */ | |
176 | union { | |
177 | struct { | |
178 | stateid_t stateid; | |
179 | } ok; | |
180 | struct nfsd4_lock_denied denied; | |
181 | } u; | |
1da177e4 LT |
182 | }; |
183 | #define lk_new_open_seqid v.new.open_seqid | |
184 | #define lk_new_open_stateid v.new.open_stateid | |
185 | #define lk_new_lock_seqid v.new.lock_seqid | |
186 | #define lk_new_clientid v.new.clientid | |
187 | #define lk_new_owner v.new.owner | |
188 | #define lk_old_lock_stateid v.old.lock_stateid | |
189 | #define lk_old_lock_seqid v.old.lock_seqid | |
190 | ||
1da177e4 LT |
191 | #define lk_resp_stateid u.ok.stateid |
192 | #define lk_denied u.denied | |
193 | ||
194 | ||
195 | struct nfsd4_lockt { | |
196 | u32 lt_type; | |
197 | clientid_t lt_clientid; | |
198 | struct xdr_netobj lt_owner; | |
199 | u64 lt_offset; | |
200 | u64 lt_length; | |
1da177e4 LT |
201 | struct nfsd4_lock_denied lt_denied; |
202 | }; | |
203 | ||
204 | ||
205 | struct nfsd4_locku { | |
206 | u32 lu_type; | |
207 | u32 lu_seqid; | |
208 | stateid_t lu_stateid; | |
209 | u64 lu_offset; | |
210 | u64 lu_length; | |
1da177e4 LT |
211 | }; |
212 | ||
213 | ||
214 | struct nfsd4_lookup { | |
215 | u32 lo_len; /* request */ | |
216 | char * lo_name; /* request */ | |
217 | }; | |
218 | ||
219 | struct nfsd4_putfh { | |
220 | u32 pf_fhlen; /* request */ | |
221 | char *pf_fhval; /* request */ | |
222 | }; | |
223 | ||
224 | struct nfsd4_open { | |
225 | u32 op_claim_type; /* request */ | |
226 | struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ | |
227 | u32 op_delegate_type; /* request - CLAIM_PREV only */ | |
228 | stateid_t op_delegate_stateid; /* request - response */ | |
d24433cd | 229 | u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ |
1da177e4 LT |
230 | u32 op_create; /* request */ |
231 | u32 op_createmode; /* request */ | |
9a0a5098 | 232 | int op_umask; /* request */ |
7e705706 | 233 | u32 op_bmval[3]; /* request */ |
3ff69309 | 234 | struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
ab4684d1 CL |
235 | nfs4_verifier op_verf __attribute__((aligned(32))); |
236 | /* EXCLUSIVE4 */ | |
1da177e4 LT |
237 | clientid_t op_clientid; /* request */ |
238 | struct xdr_netobj op_owner; /* request */ | |
239 | u32 op_seqid; /* request */ | |
240 | u32 op_share_access; /* request */ | |
241 | u32 op_share_deny; /* request */ | |
2c8bd7e0 | 242 | u32 op_deleg_want; /* request */ |
1da177e4 | 243 | stateid_t op_stateid; /* response */ |
9d313b17 | 244 | __be32 op_xdr_error; /* see nfsd4_open_omfg() */ |
7b190fec | 245 | u32 op_recall; /* recall */ |
1da177e4 LT |
246 | struct nfsd4_change_info op_cinfo; /* response */ |
247 | u32 op_rflags; /* response */ | |
856121b2 BF |
248 | bool op_truncate; /* used during processing */ |
249 | bool op_created; /* used during processing */ | |
fe0750e5 | 250 | struct nfs4_openowner *op_openowner; /* used during processing */ |
32513b40 | 251 | struct nfs4_file *op_file; /* used during processing */ |
4cdc951b | 252 | struct nfs4_ol_stateid *op_stp; /* used during processing */ |
8287f009 | 253 | struct nfs4_clnt_odstate *op_odstate; /* used during processing */ |
1da177e4 | 254 | struct nfs4_acl *op_acl; |
18032ca0 | 255 | struct xdr_netobj op_label; |
1da177e4 | 256 | }; |
1da177e4 LT |
257 | |
258 | struct nfsd4_open_confirm { | |
259 | stateid_t oc_req_stateid /* request */; | |
260 | u32 oc_seqid /* request */; | |
261 | stateid_t oc_resp_stateid /* response */; | |
1da177e4 LT |
262 | }; |
263 | ||
264 | struct nfsd4_open_downgrade { | |
265 | stateid_t od_stateid; | |
266 | u32 od_seqid; | |
2c8bd7e0 BH |
267 | u32 od_share_access; /* request */ |
268 | u32 od_deleg_want; /* request */ | |
269 | u32 od_share_deny; /* request */ | |
1da177e4 LT |
270 | }; |
271 | ||
272 | ||
273 | struct nfsd4_read { | |
274 | stateid_t rd_stateid; /* request */ | |
275 | u64 rd_offset; /* request */ | |
276 | u32 rd_length; /* request */ | |
1da177e4 LT |
277 | int rd_vlen; |
278 | struct file *rd_filp; | |
af90f707 | 279 | bool rd_tmp_file; |
1da177e4 LT |
280 | |
281 | struct svc_rqst *rd_rqstp; /* response */ | |
282 | struct svc_fh * rd_fhp; /* response */ | |
283 | }; | |
284 | ||
285 | struct nfsd4_readdir { | |
286 | u64 rd_cookie; /* request */ | |
287 | nfs4_verifier rd_verf; /* request */ | |
288 | u32 rd_dircount; /* request */ | |
289 | u32 rd_maxcount; /* request */ | |
7e705706 | 290 | u32 rd_bmval[3]; /* request */ |
1da177e4 LT |
291 | struct svc_rqst *rd_rqstp; /* response */ |
292 | struct svc_fh * rd_fhp; /* response */ | |
293 | ||
294 | struct readdir_cd common; | |
561f0ed4 BF |
295 | struct xdr_stream *xdr; |
296 | int cookie_offset; | |
1da177e4 LT |
297 | }; |
298 | ||
299 | struct nfsd4_release_lockowner { | |
300 | clientid_t rl_clientid; | |
301 | struct xdr_netobj rl_owner; | |
302 | }; | |
303 | struct nfsd4_readlink { | |
304 | struct svc_rqst *rl_rqstp; /* request */ | |
305 | struct svc_fh * rl_fhp; /* request */ | |
306 | }; | |
307 | ||
308 | struct nfsd4_remove { | |
309 | u32 rm_namelen; /* request */ | |
310 | char * rm_name; /* request */ | |
311 | struct nfsd4_change_info rm_cinfo; /* response */ | |
312 | }; | |
313 | ||
314 | struct nfsd4_rename { | |
315 | u32 rn_snamelen; /* request */ | |
316 | char * rn_sname; /* request */ | |
317 | u32 rn_tnamelen; /* request */ | |
318 | char * rn_tname; /* request */ | |
319 | struct nfsd4_change_info rn_sinfo; /* response */ | |
320 | struct nfsd4_change_info rn_tinfo; /* response */ | |
321 | }; | |
322 | ||
dcb488a3 AA |
323 | struct nfsd4_secinfo { |
324 | u32 si_namelen; /* request */ | |
325 | char *si_name; /* request */ | |
326 | struct svc_export *si_exp; /* response */ | |
327 | }; | |
328 | ||
04f4ad16 BF |
329 | struct nfsd4_secinfo_no_name { |
330 | u32 sin_style; /* request */ | |
331 | struct svc_export *sin_exp; /* response */ | |
332 | }; | |
333 | ||
1da177e4 LT |
334 | struct nfsd4_setattr { |
335 | stateid_t sa_stateid; /* request */ | |
7e705706 | 336 | u32 sa_bmval[3]; /* request */ |
1da177e4 LT |
337 | struct iattr sa_iattr; /* request */ |
338 | struct nfs4_acl *sa_acl; | |
18032ca0 | 339 | struct xdr_netobj sa_label; |
1da177e4 LT |
340 | }; |
341 | ||
342 | struct nfsd4_setclientid { | |
343 | nfs4_verifier se_verf; /* request */ | |
a084daf5 | 344 | struct xdr_netobj se_name; |
1da177e4 LT |
345 | u32 se_callback_prog; /* request */ |
346 | u32 se_callback_netid_len; /* request */ | |
347 | char * se_callback_netid_val; /* request */ | |
348 | u32 se_callback_addr_len; /* request */ | |
349 | char * se_callback_addr_val; /* request */ | |
350 | u32 se_callback_ident; /* request */ | |
351 | clientid_t se_clientid; /* response */ | |
352 | nfs4_verifier se_confirm; /* response */ | |
353 | }; | |
354 | ||
355 | struct nfsd4_setclientid_confirm { | |
356 | clientid_t sc_clientid; | |
357 | nfs4_verifier sc_confirm; | |
358 | }; | |
359 | ||
17456804 BS |
360 | struct nfsd4_saved_compoundargs { |
361 | __be32 *p; | |
362 | __be32 *end; | |
363 | int pagelen; | |
364 | struct page **pagelist; | |
365 | }; | |
366 | ||
03cfb420 BS |
367 | struct nfsd4_test_stateid_id { |
368 | __be32 ts_id_status; | |
369 | stateid_t ts_id_stateid; | |
370 | struct list_head ts_id_list; | |
371 | }; | |
372 | ||
17456804 | 373 | struct nfsd4_test_stateid { |
57b7b43b | 374 | u32 ts_num_ids; |
03cfb420 | 375 | struct list_head ts_stateid_list; |
17456804 BS |
376 | }; |
377 | ||
e1ca12df BS |
378 | struct nfsd4_free_stateid { |
379 | stateid_t fr_stateid; /* request */ | |
e1ca12df BS |
380 | }; |
381 | ||
1da177e4 LT |
382 | /* also used for NVERIFY */ |
383 | struct nfsd4_verify { | |
7e705706 | 384 | u32 ve_bmval[3]; /* request */ |
1da177e4 LT |
385 | u32 ve_attrlen; /* request */ |
386 | char * ve_attrval; /* request */ | |
387 | }; | |
388 | ||
389 | struct nfsd4_write { | |
390 | stateid_t wr_stateid; /* request */ | |
391 | u64 wr_offset; /* request */ | |
392 | u32 wr_stable_how; /* request */ | |
393 | u32 wr_buflen; /* request */ | |
70cc7f75 BF |
394 | struct kvec wr_head; |
395 | struct page ** wr_pagelist; /* request */ | |
1da177e4 LT |
396 | |
397 | u32 wr_bytes_written; /* response */ | |
398 | u32 wr_how_written; /* response */ | |
399 | nfs4_verifier wr_verifier; /* response */ | |
400 | }; | |
401 | ||
2db134eb | 402 | struct nfsd4_exchange_id { |
0733d213 AA |
403 | nfs4_verifier verifier; |
404 | struct xdr_netobj clname; | |
405 | u32 flags; | |
406 | clientid_t clientid; | |
407 | u32 seqid; | |
408 | int spa_how; | |
ed941643 AE |
409 | u32 spo_must_enforce[3]; |
410 | u32 spo_must_allow[3]; | |
2db134eb AA |
411 | }; |
412 | ||
2db134eb | 413 | struct nfsd4_sequence { |
b85d4c01 BH |
414 | struct nfs4_sessionid sessionid; /* request/response */ |
415 | u32 seqid; /* request/response */ | |
416 | u32 slotid; /* request/response */ | |
417 | u32 maxslots; /* request/response */ | |
418 | u32 cachethis; /* request */ | |
419 | #if 0 | |
420 | u32 target_maxslots; /* response */ | |
b85d4c01 | 421 | #endif /* not yet */ |
0d7bb719 | 422 | u32 status_flags; /* response */ |
2db134eb AA |
423 | }; |
424 | ||
425 | struct nfsd4_destroy_session { | |
e10e0cfc | 426 | struct nfs4_sessionid sessionid; |
2db134eb AA |
427 | }; |
428 | ||
345c2842 MJ |
429 | struct nfsd4_destroy_clientid { |
430 | clientid_t clientid; | |
431 | }; | |
432 | ||
4dc6ec00 BF |
433 | struct nfsd4_reclaim_complete { |
434 | u32 rca_one_fs; | |
435 | }; | |
436 | ||
9cf514cc CH |
437 | struct nfsd4_deviceid { |
438 | u64 fsid_idx; | |
439 | u32 generation; | |
440 | u32 pad; | |
441 | }; | |
442 | ||
443 | struct nfsd4_layout_seg { | |
444 | u32 iomode; | |
445 | u64 offset; | |
446 | u64 length; | |
447 | }; | |
448 | ||
449 | struct nfsd4_getdeviceinfo { | |
450 | struct nfsd4_deviceid gd_devid; /* request */ | |
451 | u32 gd_layout_type; /* request */ | |
452 | u32 gd_maxcount; /* request */ | |
453 | u32 gd_notify_types;/* request - response */ | |
454 | void *gd_device; /* response */ | |
455 | }; | |
456 | ||
457 | struct nfsd4_layoutget { | |
458 | u64 lg_minlength; /* request */ | |
459 | u32 lg_signal; /* request */ | |
460 | u32 lg_layout_type; /* request */ | |
461 | u32 lg_maxcount; /* request */ | |
462 | stateid_t lg_sid; /* request/response */ | |
463 | struct nfsd4_layout_seg lg_seg; /* request/response */ | |
464 | void *lg_content; /* response */ | |
465 | }; | |
466 | ||
467 | struct nfsd4_layoutcommit { | |
468 | stateid_t lc_sid; /* request */ | |
469 | struct nfsd4_layout_seg lc_seg; /* request */ | |
470 | u32 lc_reclaim; /* request */ | |
471 | u32 lc_newoffset; /* request */ | |
472 | u64 lc_last_wr; /* request */ | |
473 | struct timespec lc_mtime; /* request */ | |
474 | u32 lc_layout_type; /* request */ | |
475 | u32 lc_up_len; /* layout length */ | |
476 | void *lc_up_layout; /* decoded by callback */ | |
477 | u32 lc_size_chg; /* boolean for response */ | |
478 | u64 lc_newsize; /* response */ | |
479 | }; | |
480 | ||
481 | struct nfsd4_layoutreturn { | |
482 | u32 lr_return_type; /* request */ | |
483 | u32 lr_layout_type; /* request */ | |
484 | struct nfsd4_layout_seg lr_seg; /* request */ | |
485 | u32 lr_reclaim; /* request */ | |
486 | u32 lrf_body_len; /* request */ | |
487 | void *lrf_body; /* request */ | |
488 | stateid_t lr_sid; /* request/response */ | |
489 | u32 lrs_present; /* response */ | |
490 | }; | |
491 | ||
95d871f0 AS |
492 | struct nfsd4_fallocate { |
493 | /* request */ | |
494 | stateid_t falloc_stateid; | |
495 | loff_t falloc_offset; | |
496 | u64 falloc_length; | |
497 | }; | |
498 | ||
ffa0160a CH |
499 | struct nfsd4_clone { |
500 | /* request */ | |
501 | stateid_t cl_src_stateid; | |
502 | stateid_t cl_dst_stateid; | |
503 | u64 cl_src_pos; | |
504 | u64 cl_dst_pos; | |
505 | u64 cl_count; | |
506 | }; | |
507 | ||
29ae7f9d AS |
508 | struct nfsd42_write_res { |
509 | u64 wr_bytes_written; | |
510 | u32 wr_stable_how; | |
511 | nfs4_verifier wr_verifier; | |
512 | }; | |
513 | ||
514 | struct nfsd4_copy { | |
515 | /* request */ | |
516 | stateid_t cp_src_stateid; | |
517 | stateid_t cp_dst_stateid; | |
518 | u64 cp_src_pos; | |
519 | u64 cp_dst_pos; | |
520 | u64 cp_count; | |
521 | ||
522 | /* both */ | |
523 | bool cp_consecutive; | |
524 | bool cp_synchronous; | |
525 | ||
526 | /* response */ | |
527 | struct nfsd42_write_res cp_res; | |
528 | }; | |
529 | ||
24bab491 AS |
530 | struct nfsd4_seek { |
531 | /* request */ | |
532 | stateid_t seek_stateid; | |
533 | loff_t seek_offset; | |
534 | u32 seek_whence; | |
535 | ||
536 | /* response */ | |
537 | u32 seek_eof; | |
538 | loff_t seek_pos; | |
539 | }; | |
540 | ||
1da177e4 LT |
541 | struct nfsd4_op { |
542 | int opnum; | |
f4f9ef4a | 543 | const struct nfsd4_operation * opdesc; |
b37ad28b | 544 | __be32 status; |
b60e9859 | 545 | union nfsd4_op_u { |
1da177e4 LT |
546 | struct nfsd4_access access; |
547 | struct nfsd4_close close; | |
548 | struct nfsd4_commit commit; | |
549 | struct nfsd4_create create; | |
550 | struct nfsd4_delegreturn delegreturn; | |
551 | struct nfsd4_getattr getattr; | |
552 | struct svc_fh * getfh; | |
553 | struct nfsd4_link link; | |
554 | struct nfsd4_lock lock; | |
555 | struct nfsd4_lockt lockt; | |
556 | struct nfsd4_locku locku; | |
557 | struct nfsd4_lookup lookup; | |
558 | struct nfsd4_verify nverify; | |
559 | struct nfsd4_open open; | |
560 | struct nfsd4_open_confirm open_confirm; | |
561 | struct nfsd4_open_downgrade open_downgrade; | |
562 | struct nfsd4_putfh putfh; | |
563 | struct nfsd4_read read; | |
564 | struct nfsd4_readdir readdir; | |
565 | struct nfsd4_readlink readlink; | |
566 | struct nfsd4_remove remove; | |
567 | struct nfsd4_rename rename; | |
568 | clientid_t renew; | |
dcb488a3 | 569 | struct nfsd4_secinfo secinfo; |
1da177e4 LT |
570 | struct nfsd4_setattr setattr; |
571 | struct nfsd4_setclientid setclientid; | |
572 | struct nfsd4_setclientid_confirm setclientid_confirm; | |
573 | struct nfsd4_verify verify; | |
574 | struct nfsd4_write write; | |
575 | struct nfsd4_release_lockowner release_lockowner; | |
2db134eb AA |
576 | |
577 | /* NFSv4.1 */ | |
578 | struct nfsd4_exchange_id exchange_id; | |
cb73a9f4 | 579 | struct nfsd4_backchannel_ctl backchannel_ctl; |
1d1bc8f2 | 580 | struct nfsd4_bind_conn_to_session bind_conn_to_session; |
2db134eb AA |
581 | struct nfsd4_create_session create_session; |
582 | struct nfsd4_destroy_session destroy_session; | |
eb69853d | 583 | struct nfsd4_destroy_clientid destroy_clientid; |
2db134eb | 584 | struct nfsd4_sequence sequence; |
4dc6ec00 | 585 | struct nfsd4_reclaim_complete reclaim_complete; |
17456804 | 586 | struct nfsd4_test_stateid test_stateid; |
e1ca12df | 587 | struct nfsd4_free_stateid free_stateid; |
9cf514cc CH |
588 | struct nfsd4_getdeviceinfo getdeviceinfo; |
589 | struct nfsd4_layoutget layoutget; | |
590 | struct nfsd4_layoutcommit layoutcommit; | |
591 | struct nfsd4_layoutreturn layoutreturn; | |
eb69853d | 592 | struct nfsd4_secinfo_no_name secinfo_no_name; |
24bab491 AS |
593 | |
594 | /* NFSv4.2 */ | |
95d871f0 | 595 | struct nfsd4_fallocate allocate; |
b0cb9085 | 596 | struct nfsd4_fallocate deallocate; |
ffa0160a | 597 | struct nfsd4_clone clone; |
29ae7f9d | 598 | struct nfsd4_copy copy; |
24bab491 | 599 | struct nfsd4_seek seek; |
1da177e4 LT |
600 | } u; |
601 | struct nfs4_replay * replay; | |
602 | }; | |
603 | ||
1091006c BF |
604 | bool nfsd4_cache_this_op(struct nfsd4_op *); |
605 | ||
d5e23383 BF |
606 | /* |
607 | * Memory needed just for the duration of processing one compound: | |
608 | */ | |
609 | struct svcxdr_tmpbuf { | |
610 | struct svcxdr_tmpbuf *next; | |
611 | char buf[]; | |
612 | }; | |
613 | ||
1da177e4 LT |
614 | struct nfsd4_compoundargs { |
615 | /* scratch variables for XDR decode */ | |
2ebbc012 AV |
616 | __be32 * p; |
617 | __be32 * end; | |
1da177e4 LT |
618 | struct page ** pagelist; |
619 | int pagelen; | |
eae03e2a | 620 | bool tail; |
2ebbc012 AV |
621 | __be32 tmp[8]; |
622 | __be32 * tmpp; | |
d5e23383 | 623 | struct svcxdr_tmpbuf *to_free; |
1da177e4 LT |
624 | |
625 | struct svc_rqst *rqstp; | |
626 | ||
627 | u32 taglen; | |
628 | char * tag; | |
629 | u32 minorversion; | |
630 | u32 opcnt; | |
631 | struct nfsd4_op *ops; | |
632 | struct nfsd4_op iops[8]; | |
1091006c | 633 | int cachetype; |
1da177e4 LT |
634 | }; |
635 | ||
636 | struct nfsd4_compoundres { | |
637 | /* scratch variables for XDR encode */ | |
4aea24b2 | 638 | struct xdr_stream xdr; |
1da177e4 LT |
639 | struct svc_rqst * rqstp; |
640 | ||
641 | u32 taglen; | |
642 | char * tag; | |
643 | u32 opcnt; | |
e354d571 AA |
644 | __be32 * tagp; /* tag, opcount encode location */ |
645 | struct nfsd4_compound_state cstate; | |
1da177e4 LT |
646 | }; |
647 | ||
bf864a31 AA |
648 | static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) |
649 | { | |
650 | struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; | |
468de9e5 | 651 | return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
bf864a31 AA |
652 | } |
653 | ||
e74cfcb8 BF |
654 | /* |
655 | * The session reply cache only needs to cache replies that the client | |
656 | * actually asked us to. But it's almost free for us to cache compounds | |
657 | * consisting of only a SEQUENCE op, so we may as well cache those too. | |
658 | * Also, the protocol doesn't give us a convenient response in the case | |
659 | * of a replay of a solo SEQUENCE op that wasn't cached | |
660 | * (RETRY_UNCACHED_REP can only be returned in the second op of a | |
661 | * compound). | |
662 | */ | |
663 | static inline bool nfsd4_cache_this(struct nfsd4_compoundres *resp) | |
bf864a31 | 664 | { |
e74cfcb8 | 665 | return (resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) |
73e79482 | 666 | || nfsd4_is_solo_sequence(resp); |
bf864a31 AA |
667 | } |
668 | ||
9b3234b9 BF |
669 | static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) |
670 | { | |
671 | struct nfsd4_compoundres *resp = rqstp->rq_resp; | |
672 | struct nfsd4_compoundargs *argp = rqstp->rq_argp; | |
673 | ||
674 | return argp->opcnt == resp->opcnt; | |
675 | } | |
676 | ||
f4f9ef4a | 677 | const struct nfsd4_operation *OPDESC(struct nfsd4_op *op); |
4f0cefbf | 678 | int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); |
07d1f802 BF |
679 | void warn_on_nonidempotent_op(struct nfsd4_op *op); |
680 | ||
1da177e4 LT |
681 | #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) |
682 | ||
683 | static inline void | |
684 | set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) | |
685 | { | |
c1ac3ffc | 686 | BUG_ON(!fhp->fh_pre_saved); |
aaf91ec1 | 687 | cinfo->atomic = (u32)fhp->fh_post_saved; |
2b0143b5 | 688 | cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); |
c1ac3ffc NB |
689 | |
690 | cinfo->before_change = fhp->fh_pre_change; | |
691 | cinfo->after_change = fhp->fh_post_change; | |
692 | cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; | |
693 | cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; | |
694 | cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; | |
695 | cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; | |
696 | ||
1da177e4 LT |
697 | } |
698 | ||
dedeb13f AE |
699 | |
700 | bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp); | |
63f8de37 | 701 | int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *); |
026fec7e | 702 | int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *); |
63f8de37 | 703 | int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *); |
57b7b43b | 704 | __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); |
1da177e4 | 705 | void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
d0a381dd | 706 | void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); |
d5184658 BF |
707 | __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, |
708 | struct svc_fh *fhp, struct svc_export *exp, | |
709 | struct dentry *dentry, | |
710 | u32 *bmval, struct svc_rqst *, int ignore_crossmnt); | |
b37ad28b | 711 | extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
eb69853d | 712 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28b | 713 | extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
eb69853d | 714 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 715 | extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
eb69853d CH |
716 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
717 | extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, | |
718 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
719 | extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, | |
720 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
3c4ab2aa | 721 | extern __be32 nfsd4_create_session(struct svc_rqst *, |
eb69853d | 722 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 723 | extern __be32 nfsd4_sequence(struct svc_rqst *, |
eb69853d | 724 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b607664e | 725 | extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); |
069b6ad4 | 726 | extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
eb69853d CH |
727 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
728 | extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, | |
729 | union nfsd4_op_u *u); | |
730 | __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, | |
731 | union nfsd4_op_u *u); | |
6668958f | 732 | extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
3320fef1 | 733 | struct nfsd4_open *open, struct nfsd_net *nn); |
b37ad28b | 734 | extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
1da177e4 | 735 | struct svc_fh *current_fh, struct nfsd4_open *open); |
58fb12e6 JL |
736 | extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); |
737 | extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, | |
42297899 | 738 | struct nfsd4_open *open); |
b37ad28b | 739 | extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
eb69853d CH |
740 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
741 | extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
742 | union nfsd4_op_u *u); | |
b37ad28b | 743 | extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
eb69853d | 744 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
ca364317 | 745 | extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
eb69853d CH |
746 | union nfsd4_op_u *u); |
747 | extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
748 | union nfsd4_op_u *u); | |
749 | extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
750 | union nfsd4_op_u *u); | |
b37ad28b | 751 | extern __be32 |
1da177e4 | 752 | nfsd4_release_lockowner(struct svc_rqst *rqstp, |
eb69853d | 753 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
8537488b | 754 | extern void nfsd4_release_compoundargs(struct svc_rqst *rqstp); |
b37ad28b | 755 | extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
eb69853d CH |
756 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
757 | extern __be32 nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
758 | union nfsd4_op_u *u); | |
17456804 | 759 | extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, |
eb69853d | 760 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
e1ca12df | 761 | extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, |
eb69853d | 762 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
9411b1d4 | 763 | extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); |
58fb12e6 | 764 | |
0020939f BF |
765 | enum nfsd4_op_flags { |
766 | ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ | |
767 | ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */ | |
768 | ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */ | |
769 | /* For rfc 5661 section 2.6.3.1.1: */ | |
770 | OP_HANDLES_WRONGSEC = 1 << 3, | |
771 | OP_IS_PUTFH_LIKE = 1 << 4, | |
772 | /* | |
773 | * These are the ops whose result size we estimate before | |
774 | * encoding, to avoid performing an op then not being able to | |
775 | * respond or cache a response. This includes writes and setattrs | |
776 | * as well as the operations usually called "nonidempotent": | |
777 | */ | |
778 | OP_MODIFIES_SOMETHING = 1 << 5, | |
779 | /* | |
780 | * Cache compounds containing these ops in the xid-based drc: | |
781 | * We use the DRC for compounds containing non-idempotent | |
782 | * operations, *except* those that are 4.1-specific (since | |
783 | * sessions provide their own EOS), and except for stateful | |
784 | * operations other than setclientid and setclientid_confirm | |
785 | * (since sequence numbers provide EOS for open, lock, etc in | |
786 | * the v4.0 case). | |
787 | */ | |
788 | OP_CACHEME = 1 << 6, | |
789 | /* | |
790 | * These are ops which clear current state id. | |
791 | */ | |
792 | OP_CLEAR_STATEID = 1 << 7, | |
b7571e4c BF |
793 | /* Most ops return only an error on failure; some may do more: */ |
794 | OP_NONTRIVIAL_ERROR_ENCODE = 1 << 8, | |
0020939f BF |
795 | }; |
796 | ||
797 | struct nfsd4_operation { | |
798 | __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *, | |
799 | union nfsd4_op_u *); | |
34b1744c | 800 | void (*op_release)(union nfsd4_op_u *); |
0020939f BF |
801 | u32 op_flags; |
802 | char *op_name; | |
803 | /* Try to get response size before operation */ | |
804 | u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *); | |
805 | void (*op_get_currentstateid)(struct nfsd4_compound_state *, | |
806 | union nfsd4_op_u *); | |
807 | void (*op_set_currentstateid)(struct nfsd4_compound_state *, | |
808 | union nfsd4_op_u *); | |
809 | }; | |
810 | ||
811 | ||
1da177e4 LT |
812 | #endif |
813 | ||
814 | /* | |
815 | * Local variables: | |
816 | * c-basic-offset: 8 | |
817 | * End: | |
818 | */ |