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; |
da3846a2 | 62 | size_t iovlen; |
d87a8ade | 63 | u32 minorversion; |
57b7b43b | 64 | __be32 status; |
37c593c5 TM |
65 | stateid_t current_stateid; |
66 | stateid_t save_stateid; | |
67 | /* to indicate current and saved state id presents */ | |
68 | u32 sid_flags; | |
ca364317 BF |
69 | }; |
70 | ||
6668958f AA |
71 | static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) |
72 | { | |
73 | return cs->slot != NULL; | |
74 | } | |
75 | ||
1da177e4 LT |
76 | struct nfsd4_change_info { |
77 | u32 atomic; | |
c654b8a9 | 78 | bool change_supported; |
1da177e4 LT |
79 | u32 before_ctime_sec; |
80 | u32 before_ctime_nsec; | |
c654b8a9 | 81 | u64 before_change; |
1da177e4 LT |
82 | u32 after_ctime_sec; |
83 | u32 after_ctime_nsec; | |
c654b8a9 | 84 | u64 after_change; |
1da177e4 LT |
85 | }; |
86 | ||
87 | struct nfsd4_access { | |
88 | u32 ac_req_access; /* request */ | |
89 | u32 ac_supported; /* response */ | |
90 | u32 ac_resp_access; /* response */ | |
91 | }; | |
92 | ||
93 | struct nfsd4_close { | |
94 | u32 cl_seqid; /* request */ | |
95 | stateid_t cl_stateid; /* request+response */ | |
1da177e4 LT |
96 | }; |
97 | ||
98 | struct nfsd4_commit { | |
99 | u64 co_offset; /* request */ | |
100 | u32 co_count; /* request */ | |
101 | nfs4_verifier co_verf; /* response */ | |
102 | }; | |
103 | ||
104 | struct nfsd4_create { | |
105 | u32 cr_namelen; /* request */ | |
106 | char * cr_name; /* request */ | |
107 | u32 cr_type; /* request */ | |
108 | union { /* request */ | |
109 | struct { | |
7fb84306 BF |
110 | u32 datalen; |
111 | char *data; | |
1da177e4 LT |
112 | } link; /* NF4LNK */ |
113 | struct { | |
114 | u32 specdata1; | |
115 | u32 specdata2; | |
116 | } dev; /* NF4BLK, NF4CHR */ | |
117 | } u; | |
7e705706 | 118 | u32 cr_bmval[3]; /* request */ |
1da177e4 LT |
119 | struct iattr cr_iattr; /* request */ |
120 | struct nfsd4_change_info cr_cinfo; /* response */ | |
121 | struct nfs4_acl *cr_acl; | |
18032ca0 | 122 | struct xdr_netobj cr_label; |
1da177e4 | 123 | }; |
7fb84306 BF |
124 | #define cr_datalen u.link.datalen |
125 | #define cr_data u.link.data | |
1da177e4 LT |
126 | #define cr_specdata1 u.dev.specdata1 |
127 | #define cr_specdata2 u.dev.specdata2 | |
128 | ||
129 | struct nfsd4_delegreturn { | |
130 | stateid_t dr_stateid; | |
131 | }; | |
132 | ||
133 | struct nfsd4_getattr { | |
7e705706 | 134 | u32 ga_bmval[3]; /* request */ |
1da177e4 LT |
135 | struct svc_fh *ga_fhp; /* response */ |
136 | }; | |
137 | ||
138 | struct nfsd4_link { | |
139 | u32 li_namelen; /* request */ | |
140 | char * li_name; /* request */ | |
141 | struct nfsd4_change_info li_cinfo; /* response */ | |
142 | }; | |
143 | ||
144 | struct nfsd4_lock_denied { | |
145 | clientid_t ld_clientid; | |
7c13f344 | 146 | struct xdr_netobj ld_owner; |
1da177e4 LT |
147 | u64 ld_start; |
148 | u64 ld_length; | |
149 | u32 ld_type; | |
150 | }; | |
151 | ||
152 | struct nfsd4_lock { | |
153 | /* request */ | |
154 | u32 lk_type; | |
155 | u32 lk_reclaim; /* boolean */ | |
156 | u64 lk_offset; | |
157 | u64 lk_length; | |
158 | u32 lk_is_new; | |
159 | union { | |
160 | struct { | |
161 | u32 open_seqid; | |
162 | stateid_t open_stateid; | |
163 | u32 lock_seqid; | |
164 | clientid_t clientid; | |
165 | struct xdr_netobj owner; | |
166 | } new; | |
167 | struct { | |
168 | stateid_t lock_stateid; | |
169 | u32 lock_seqid; | |
170 | } old; | |
171 | } v; | |
172 | ||
173 | /* response */ | |
174 | union { | |
175 | struct { | |
176 | stateid_t stateid; | |
177 | } ok; | |
178 | struct nfsd4_lock_denied denied; | |
179 | } u; | |
1da177e4 LT |
180 | }; |
181 | #define lk_new_open_seqid v.new.open_seqid | |
182 | #define lk_new_open_stateid v.new.open_stateid | |
183 | #define lk_new_lock_seqid v.new.lock_seqid | |
184 | #define lk_new_clientid v.new.clientid | |
185 | #define lk_new_owner v.new.owner | |
186 | #define lk_old_lock_stateid v.old.lock_stateid | |
187 | #define lk_old_lock_seqid v.old.lock_seqid | |
188 | ||
1da177e4 LT |
189 | #define lk_resp_stateid u.ok.stateid |
190 | #define lk_denied u.denied | |
191 | ||
192 | ||
193 | struct nfsd4_lockt { | |
194 | u32 lt_type; | |
195 | clientid_t lt_clientid; | |
196 | struct xdr_netobj lt_owner; | |
197 | u64 lt_offset; | |
198 | u64 lt_length; | |
1da177e4 LT |
199 | struct nfsd4_lock_denied lt_denied; |
200 | }; | |
201 | ||
202 | ||
203 | struct nfsd4_locku { | |
204 | u32 lu_type; | |
205 | u32 lu_seqid; | |
206 | stateid_t lu_stateid; | |
207 | u64 lu_offset; | |
208 | u64 lu_length; | |
1da177e4 LT |
209 | }; |
210 | ||
211 | ||
212 | struct nfsd4_lookup { | |
213 | u32 lo_len; /* request */ | |
214 | char * lo_name; /* request */ | |
215 | }; | |
216 | ||
217 | struct nfsd4_putfh { | |
218 | u32 pf_fhlen; /* request */ | |
219 | char *pf_fhval; /* request */ | |
220 | }; | |
221 | ||
222 | struct nfsd4_open { | |
223 | u32 op_claim_type; /* request */ | |
224 | struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ | |
225 | u32 op_delegate_type; /* request - CLAIM_PREV only */ | |
226 | stateid_t op_delegate_stateid; /* request - response */ | |
d24433cd | 227 | u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ |
1da177e4 LT |
228 | u32 op_create; /* request */ |
229 | u32 op_createmode; /* request */ | |
7e705706 | 230 | u32 op_bmval[3]; /* request */ |
3ff69309 | 231 | struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
ab4684d1 CL |
232 | nfs4_verifier op_verf __attribute__((aligned(32))); |
233 | /* EXCLUSIVE4 */ | |
1da177e4 LT |
234 | clientid_t op_clientid; /* request */ |
235 | struct xdr_netobj op_owner; /* request */ | |
236 | u32 op_seqid; /* request */ | |
237 | u32 op_share_access; /* request */ | |
238 | u32 op_share_deny; /* request */ | |
2c8bd7e0 | 239 | u32 op_deleg_want; /* request */ |
1da177e4 | 240 | stateid_t op_stateid; /* response */ |
9d313b17 | 241 | __be32 op_xdr_error; /* see nfsd4_open_omfg() */ |
7b190fec | 242 | u32 op_recall; /* recall */ |
1da177e4 LT |
243 | struct nfsd4_change_info op_cinfo; /* response */ |
244 | u32 op_rflags; /* response */ | |
856121b2 BF |
245 | bool op_truncate; /* used during processing */ |
246 | bool op_created; /* used during processing */ | |
fe0750e5 | 247 | struct nfs4_openowner *op_openowner; /* used during processing */ |
32513b40 | 248 | struct nfs4_file *op_file; /* used during processing */ |
4cdc951b | 249 | struct nfs4_ol_stateid *op_stp; /* used during processing */ |
8287f009 | 250 | struct nfs4_clnt_odstate *op_odstate; /* used during processing */ |
1da177e4 | 251 | struct nfs4_acl *op_acl; |
18032ca0 | 252 | struct xdr_netobj op_label; |
1da177e4 | 253 | }; |
1da177e4 LT |
254 | |
255 | struct nfsd4_open_confirm { | |
256 | stateid_t oc_req_stateid /* request */; | |
257 | u32 oc_seqid /* request */; | |
258 | stateid_t oc_resp_stateid /* response */; | |
1da177e4 LT |
259 | }; |
260 | ||
261 | struct nfsd4_open_downgrade { | |
262 | stateid_t od_stateid; | |
263 | u32 od_seqid; | |
2c8bd7e0 BH |
264 | u32 od_share_access; /* request */ |
265 | u32 od_deleg_want; /* request */ | |
266 | u32 od_share_deny; /* request */ | |
1da177e4 LT |
267 | }; |
268 | ||
269 | ||
270 | struct nfsd4_read { | |
271 | stateid_t rd_stateid; /* request */ | |
272 | u64 rd_offset; /* request */ | |
273 | u32 rd_length; /* request */ | |
1da177e4 LT |
274 | int rd_vlen; |
275 | struct file *rd_filp; | |
af90f707 | 276 | bool rd_tmp_file; |
1da177e4 LT |
277 | |
278 | struct svc_rqst *rd_rqstp; /* response */ | |
279 | struct svc_fh * rd_fhp; /* response */ | |
280 | }; | |
281 | ||
282 | struct nfsd4_readdir { | |
283 | u64 rd_cookie; /* request */ | |
284 | nfs4_verifier rd_verf; /* request */ | |
285 | u32 rd_dircount; /* request */ | |
286 | u32 rd_maxcount; /* request */ | |
7e705706 | 287 | u32 rd_bmval[3]; /* request */ |
1da177e4 LT |
288 | struct svc_rqst *rd_rqstp; /* response */ |
289 | struct svc_fh * rd_fhp; /* response */ | |
290 | ||
291 | struct readdir_cd common; | |
561f0ed4 BF |
292 | struct xdr_stream *xdr; |
293 | int cookie_offset; | |
1da177e4 LT |
294 | }; |
295 | ||
296 | struct nfsd4_release_lockowner { | |
297 | clientid_t rl_clientid; | |
298 | struct xdr_netobj rl_owner; | |
299 | }; | |
300 | struct nfsd4_readlink { | |
301 | struct svc_rqst *rl_rqstp; /* request */ | |
302 | struct svc_fh * rl_fhp; /* request */ | |
303 | }; | |
304 | ||
305 | struct nfsd4_remove { | |
306 | u32 rm_namelen; /* request */ | |
307 | char * rm_name; /* request */ | |
308 | struct nfsd4_change_info rm_cinfo; /* response */ | |
309 | }; | |
310 | ||
311 | struct nfsd4_rename { | |
312 | u32 rn_snamelen; /* request */ | |
313 | char * rn_sname; /* request */ | |
314 | u32 rn_tnamelen; /* request */ | |
315 | char * rn_tname; /* request */ | |
316 | struct nfsd4_change_info rn_sinfo; /* response */ | |
317 | struct nfsd4_change_info rn_tinfo; /* response */ | |
318 | }; | |
319 | ||
dcb488a3 AA |
320 | struct nfsd4_secinfo { |
321 | u32 si_namelen; /* request */ | |
322 | char *si_name; /* request */ | |
323 | struct svc_export *si_exp; /* response */ | |
324 | }; | |
325 | ||
04f4ad16 BF |
326 | struct nfsd4_secinfo_no_name { |
327 | u32 sin_style; /* request */ | |
328 | struct svc_export *sin_exp; /* response */ | |
329 | }; | |
330 | ||
1da177e4 LT |
331 | struct nfsd4_setattr { |
332 | stateid_t sa_stateid; /* request */ | |
7e705706 | 333 | u32 sa_bmval[3]; /* request */ |
1da177e4 LT |
334 | struct iattr sa_iattr; /* request */ |
335 | struct nfs4_acl *sa_acl; | |
18032ca0 | 336 | struct xdr_netobj sa_label; |
1da177e4 LT |
337 | }; |
338 | ||
339 | struct nfsd4_setclientid { | |
340 | nfs4_verifier se_verf; /* request */ | |
a084daf5 | 341 | struct xdr_netobj se_name; |
1da177e4 LT |
342 | u32 se_callback_prog; /* request */ |
343 | u32 se_callback_netid_len; /* request */ | |
344 | char * se_callback_netid_val; /* request */ | |
345 | u32 se_callback_addr_len; /* request */ | |
346 | char * se_callback_addr_val; /* request */ | |
347 | u32 se_callback_ident; /* request */ | |
348 | clientid_t se_clientid; /* response */ | |
349 | nfs4_verifier se_confirm; /* response */ | |
350 | }; | |
351 | ||
352 | struct nfsd4_setclientid_confirm { | |
353 | clientid_t sc_clientid; | |
354 | nfs4_verifier sc_confirm; | |
355 | }; | |
356 | ||
17456804 BS |
357 | struct nfsd4_saved_compoundargs { |
358 | __be32 *p; | |
359 | __be32 *end; | |
360 | int pagelen; | |
361 | struct page **pagelist; | |
362 | }; | |
363 | ||
03cfb420 BS |
364 | struct nfsd4_test_stateid_id { |
365 | __be32 ts_id_status; | |
366 | stateid_t ts_id_stateid; | |
367 | struct list_head ts_id_list; | |
368 | }; | |
369 | ||
17456804 | 370 | struct nfsd4_test_stateid { |
57b7b43b | 371 | u32 ts_num_ids; |
03cfb420 | 372 | struct list_head ts_stateid_list; |
17456804 BS |
373 | }; |
374 | ||
e1ca12df BS |
375 | struct nfsd4_free_stateid { |
376 | stateid_t fr_stateid; /* request */ | |
e1ca12df BS |
377 | }; |
378 | ||
1da177e4 LT |
379 | /* also used for NVERIFY */ |
380 | struct nfsd4_verify { | |
7e705706 | 381 | u32 ve_bmval[3]; /* request */ |
1da177e4 LT |
382 | u32 ve_attrlen; /* request */ |
383 | char * ve_attrval; /* request */ | |
384 | }; | |
385 | ||
386 | struct nfsd4_write { | |
387 | stateid_t wr_stateid; /* request */ | |
388 | u64 wr_offset; /* request */ | |
389 | u32 wr_stable_how; /* request */ | |
390 | u32 wr_buflen; /* request */ | |
70cc7f75 BF |
391 | struct kvec wr_head; |
392 | struct page ** wr_pagelist; /* request */ | |
1da177e4 LT |
393 | |
394 | u32 wr_bytes_written; /* response */ | |
395 | u32 wr_how_written; /* response */ | |
396 | nfs4_verifier wr_verifier; /* response */ | |
397 | }; | |
398 | ||
2db134eb | 399 | struct nfsd4_exchange_id { |
0733d213 AA |
400 | nfs4_verifier verifier; |
401 | struct xdr_netobj clname; | |
402 | u32 flags; | |
403 | clientid_t clientid; | |
404 | u32 seqid; | |
405 | int spa_how; | |
2db134eb AA |
406 | }; |
407 | ||
2db134eb | 408 | struct nfsd4_sequence { |
b85d4c01 BH |
409 | struct nfs4_sessionid sessionid; /* request/response */ |
410 | u32 seqid; /* request/response */ | |
411 | u32 slotid; /* request/response */ | |
412 | u32 maxslots; /* request/response */ | |
413 | u32 cachethis; /* request */ | |
414 | #if 0 | |
415 | u32 target_maxslots; /* response */ | |
b85d4c01 | 416 | #endif /* not yet */ |
0d7bb719 | 417 | u32 status_flags; /* response */ |
2db134eb AA |
418 | }; |
419 | ||
420 | struct nfsd4_destroy_session { | |
e10e0cfc | 421 | struct nfs4_sessionid sessionid; |
2db134eb AA |
422 | }; |
423 | ||
345c2842 MJ |
424 | struct nfsd4_destroy_clientid { |
425 | clientid_t clientid; | |
426 | }; | |
427 | ||
4dc6ec00 BF |
428 | struct nfsd4_reclaim_complete { |
429 | u32 rca_one_fs; | |
430 | }; | |
431 | ||
9cf514cc CH |
432 | struct nfsd4_deviceid { |
433 | u64 fsid_idx; | |
434 | u32 generation; | |
435 | u32 pad; | |
436 | }; | |
437 | ||
438 | struct nfsd4_layout_seg { | |
439 | u32 iomode; | |
440 | u64 offset; | |
441 | u64 length; | |
442 | }; | |
443 | ||
444 | struct nfsd4_getdeviceinfo { | |
445 | struct nfsd4_deviceid gd_devid; /* request */ | |
446 | u32 gd_layout_type; /* request */ | |
447 | u32 gd_maxcount; /* request */ | |
448 | u32 gd_notify_types;/* request - response */ | |
449 | void *gd_device; /* response */ | |
450 | }; | |
451 | ||
452 | struct nfsd4_layoutget { | |
453 | u64 lg_minlength; /* request */ | |
454 | u32 lg_signal; /* request */ | |
455 | u32 lg_layout_type; /* request */ | |
456 | u32 lg_maxcount; /* request */ | |
457 | stateid_t lg_sid; /* request/response */ | |
458 | struct nfsd4_layout_seg lg_seg; /* request/response */ | |
459 | void *lg_content; /* response */ | |
460 | }; | |
461 | ||
462 | struct nfsd4_layoutcommit { | |
463 | stateid_t lc_sid; /* request */ | |
464 | struct nfsd4_layout_seg lc_seg; /* request */ | |
465 | u32 lc_reclaim; /* request */ | |
466 | u32 lc_newoffset; /* request */ | |
467 | u64 lc_last_wr; /* request */ | |
468 | struct timespec lc_mtime; /* request */ | |
469 | u32 lc_layout_type; /* request */ | |
470 | u32 lc_up_len; /* layout length */ | |
471 | void *lc_up_layout; /* decoded by callback */ | |
472 | u32 lc_size_chg; /* boolean for response */ | |
473 | u64 lc_newsize; /* response */ | |
474 | }; | |
475 | ||
476 | struct nfsd4_layoutreturn { | |
477 | u32 lr_return_type; /* request */ | |
478 | u32 lr_layout_type; /* request */ | |
479 | struct nfsd4_layout_seg lr_seg; /* request */ | |
480 | u32 lr_reclaim; /* request */ | |
481 | u32 lrf_body_len; /* request */ | |
482 | void *lrf_body; /* request */ | |
483 | stateid_t lr_sid; /* request/response */ | |
484 | u32 lrs_present; /* response */ | |
485 | }; | |
486 | ||
95d871f0 AS |
487 | struct nfsd4_fallocate { |
488 | /* request */ | |
489 | stateid_t falloc_stateid; | |
490 | loff_t falloc_offset; | |
491 | u64 falloc_length; | |
492 | }; | |
493 | ||
ffa0160a CH |
494 | struct 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 | ||
24bab491 AS |
503 | struct 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 | ||
1da177e4 LT |
514 | struct nfsd4_op { |
515 | int opnum; | |
b37ad28b | 516 | __be32 status; |
1da177e4 LT |
517 | 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; | |
dcb488a3 | 541 | struct nfsd4_secinfo secinfo; |
1da177e4 LT |
542 | 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; | |
2db134eb AA |
548 | |
549 | /* NFSv4.1 */ | |
550 | struct nfsd4_exchange_id exchange_id; | |
cb73a9f4 | 551 | struct nfsd4_backchannel_ctl backchannel_ctl; |
1d1bc8f2 | 552 | struct nfsd4_bind_conn_to_session bind_conn_to_session; |
2db134eb AA |
553 | struct nfsd4_create_session create_session; |
554 | struct nfsd4_destroy_session destroy_session; | |
555 | struct nfsd4_sequence sequence; | |
4dc6ec00 | 556 | struct nfsd4_reclaim_complete reclaim_complete; |
17456804 | 557 | struct nfsd4_test_stateid test_stateid; |
e1ca12df | 558 | struct nfsd4_free_stateid free_stateid; |
9cf514cc CH |
559 | struct nfsd4_getdeviceinfo getdeviceinfo; |
560 | struct nfsd4_layoutget layoutget; | |
561 | struct nfsd4_layoutcommit layoutcommit; | |
562 | struct nfsd4_layoutreturn layoutreturn; | |
24bab491 AS |
563 | |
564 | /* NFSv4.2 */ | |
95d871f0 | 565 | struct nfsd4_fallocate allocate; |
b0cb9085 | 566 | struct nfsd4_fallocate deallocate; |
ffa0160a | 567 | struct nfsd4_clone clone; |
24bab491 | 568 | struct nfsd4_seek seek; |
1da177e4 LT |
569 | } u; |
570 | struct nfs4_replay * replay; | |
571 | }; | |
572 | ||
1091006c BF |
573 | bool nfsd4_cache_this_op(struct nfsd4_op *); |
574 | ||
d5e23383 BF |
575 | /* |
576 | * Memory needed just for the duration of processing one compound: | |
577 | */ | |
578 | struct svcxdr_tmpbuf { | |
579 | struct svcxdr_tmpbuf *next; | |
580 | char buf[]; | |
581 | }; | |
582 | ||
1da177e4 LT |
583 | struct nfsd4_compoundargs { |
584 | /* scratch variables for XDR decode */ | |
2ebbc012 AV |
585 | __be32 * p; |
586 | __be32 * end; | |
1da177e4 LT |
587 | struct page ** pagelist; |
588 | int pagelen; | |
2ebbc012 AV |
589 | __be32 tmp[8]; |
590 | __be32 * tmpp; | |
d5e23383 | 591 | struct svcxdr_tmpbuf *to_free; |
1da177e4 LT |
592 | |
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]; | |
1091006c | 601 | int cachetype; |
1da177e4 LT |
602 | }; |
603 | ||
604 | struct nfsd4_compoundres { | |
605 | /* scratch variables for XDR encode */ | |
4aea24b2 | 606 | struct xdr_stream xdr; |
1da177e4 LT |
607 | struct svc_rqst * rqstp; |
608 | ||
609 | u32 taglen; | |
610 | char * tag; | |
611 | u32 opcnt; | |
e354d571 AA |
612 | __be32 * tagp; /* tag, opcount encode location */ |
613 | struct nfsd4_compound_state cstate; | |
1da177e4 LT |
614 | }; |
615 | ||
bf864a31 AA |
616 | static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) |
617 | { | |
618 | struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; | |
468de9e5 | 619 | return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
bf864a31 AA |
620 | } |
621 | ||
622 | static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) | |
623 | { | |
73e79482 BF |
624 | return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) |
625 | || nfsd4_is_solo_sequence(resp); | |
bf864a31 AA |
626 | } |
627 | ||
9b3234b9 BF |
628 | static 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 | ||
4f0cefbf | 636 | int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); |
07d1f802 BF |
637 | void warn_on_nonidempotent_op(struct nfsd4_op *op); |
638 | ||
1da177e4 LT |
639 | #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) |
640 | ||
641 | static inline void | |
642 | set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) | |
643 | { | |
c1ac3ffc | 644 | BUG_ON(!fhp->fh_pre_saved); |
aaf91ec1 | 645 | cinfo->atomic = (u32)fhp->fh_post_saved; |
2b0143b5 | 646 | cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); |
c1ac3ffc NB |
647 | |
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 | ||
1da177e4 LT |
655 | } |
656 | ||
2ebbc012 AV |
657 | int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); |
658 | int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, | |
1da177e4 | 659 | struct nfsd4_compoundargs *); |
2ebbc012 | 660 | int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, |
1da177e4 | 661 | struct nfsd4_compoundres *); |
57b7b43b | 662 | __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); |
1da177e4 | 663 | void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
d0a381dd | 664 | void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); |
d5184658 BF |
665 | __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); | |
b37ad28b | 669 | extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
b591480b | 670 | struct nfsd4_compound_state *, |
1da177e4 | 671 | struct nfsd4_setclientid *setclid); |
b37ad28b | 672 | extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
b591480b | 673 | struct nfsd4_compound_state *, |
1da177e4 | 674 | struct nfsd4_setclientid_confirm *setclientid_confirm); |
069b6ad4 | 675 | extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
3c4ab2aa | 676 | struct nfsd4_compound_state *, struct nfsd4_exchange_id *); |
cb73a9f4 | 677 | extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *); |
1d1bc8f2 | 678 | extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *); |
3c4ab2aa | 679 | extern __be32 nfsd4_create_session(struct svc_rqst *, |
069b6ad4 AA |
680 | struct nfsd4_compound_state *, |
681 | struct nfsd4_create_session *); | |
682 | extern __be32 nfsd4_sequence(struct svc_rqst *, | |
683 | struct nfsd4_compound_state *, | |
684 | struct nfsd4_sequence *); | |
b607664e | 685 | extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); |
069b6ad4 AA |
686 | extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
687 | struct nfsd4_compound_state *, | |
688 | struct nfsd4_destroy_session *); | |
345c2842 | 689 | extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *); |
4dc6ec00 | 690 | __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *); |
6668958f | 691 | extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
3320fef1 | 692 | struct nfsd4_open *open, struct nfsd_net *nn); |
b37ad28b | 693 | extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
1da177e4 | 694 | struct svc_fh *current_fh, struct nfsd4_open *open); |
58fb12e6 JL |
695 | extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); |
696 | extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, | |
42297899 | 697 | struct nfsd4_open *open); |
b37ad28b | 698 | extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
a4f1706a | 699 | struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); |
ca364317 BF |
700 | extern __be32 nfsd4_close(struct svc_rqst *rqstp, |
701 | struct nfsd4_compound_state *, | |
a4f1706a | 702 | struct nfsd4_close *close); |
b37ad28b | 703 | extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
a4f1706a BF |
704 | struct nfsd4_compound_state *, |
705 | struct nfsd4_open_downgrade *od); | |
ca364317 | 706 | extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
a4f1706a | 707 | struct nfsd4_lock *lock); |
ca364317 BF |
708 | extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, |
709 | struct nfsd4_compound_state *, | |
1da177e4 | 710 | struct nfsd4_lockt *lockt); |
ca364317 BF |
711 | extern __be32 nfsd4_locku(struct svc_rqst *rqstp, |
712 | struct nfsd4_compound_state *, | |
a4f1706a | 713 | struct nfsd4_locku *locku); |
b37ad28b | 714 | extern __be32 |
1da177e4 | 715 | nfsd4_release_lockowner(struct svc_rqst *rqstp, |
b591480b | 716 | struct nfsd4_compound_state *, |
1da177e4 | 717 | struct nfsd4_release_lockowner *rlockowner); |
3e98abff | 718 | extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp); |
b37ad28b | 719 | extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
ca364317 | 720 | struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); |
b591480b BF |
721 | extern __be32 nfsd4_renew(struct svc_rqst *rqstp, |
722 | struct nfsd4_compound_state *, clientid_t *clid); | |
17456804 BS |
723 | extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, |
724 | struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid); | |
e1ca12df BS |
725 | extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, |
726 | struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid); | |
9411b1d4 | 727 | extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); |
58fb12e6 | 728 | |
1da177e4 LT |
729 | #endif |
730 | ||
731 | /* | |
732 | * Local variables: | |
733 | * c-basic-offset: 8 | |
734 | * End: | |
735 | */ |