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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 | ||
51100d2b OK |
49 | #define SET_CSTATE_FLAG(c, f) ((c)->sid_flags |= (f)) |
50 | #define HAS_CSTATE_FLAG(c, f) ((c)->sid_flags & (f)) | |
51 | #define CLEAR_CSTATE_FLAG(c, f) ((c)->sid_flags &= ~(f)) | |
37c593c5 | 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 | u64 before_change; |
c654b8a9 | 80 | u64 after_change; |
1da177e4 LT |
81 | }; |
82 | ||
83 | struct nfsd4_access { | |
84 | u32 ac_req_access; /* request */ | |
85 | u32 ac_supported; /* response */ | |
86 | u32 ac_resp_access; /* response */ | |
87 | }; | |
88 | ||
89 | struct nfsd4_close { | |
90 | u32 cl_seqid; /* request */ | |
91 | stateid_t cl_stateid; /* request+response */ | |
1da177e4 LT |
92 | }; |
93 | ||
94 | struct nfsd4_commit { | |
95 | u64 co_offset; /* request */ | |
96 | u32 co_count; /* request */ | |
97 | nfs4_verifier co_verf; /* response */ | |
98 | }; | |
99 | ||
100 | struct nfsd4_create { | |
101 | u32 cr_namelen; /* request */ | |
102 | char * cr_name; /* request */ | |
103 | u32 cr_type; /* request */ | |
104 | union { /* request */ | |
105 | struct { | |
7fb84306 BF |
106 | u32 datalen; |
107 | char *data; | |
38a70315 | 108 | struct kvec first; |
1da177e4 LT |
109 | } link; /* NF4LNK */ |
110 | struct { | |
111 | u32 specdata1; | |
112 | u32 specdata2; | |
113 | } dev; /* NF4BLK, NF4CHR */ | |
114 | } u; | |
7e705706 | 115 | u32 cr_bmval[3]; /* request */ |
1da177e4 | 116 | struct iattr cr_iattr; /* request */ |
880a3a53 | 117 | int cr_umask; /* request */ |
1da177e4 LT |
118 | struct nfsd4_change_info cr_cinfo; /* response */ |
119 | struct nfs4_acl *cr_acl; | |
18032ca0 | 120 | struct xdr_netobj cr_label; |
1da177e4 | 121 | }; |
7fb84306 BF |
122 | #define cr_datalen u.link.datalen |
123 | #define cr_data u.link.data | |
38a70315 | 124 | #define cr_first u.link.first |
1da177e4 LT |
125 | #define cr_specdata1 u.dev.specdata1 |
126 | #define cr_specdata2 u.dev.specdata2 | |
127 | ||
128 | struct nfsd4_delegreturn { | |
129 | stateid_t dr_stateid; | |
130 | }; | |
131 | ||
132 | struct nfsd4_getattr { | |
7e705706 | 133 | u32 ga_bmval[3]; /* request */ |
1da177e4 LT |
134 | struct svc_fh *ga_fhp; /* response */ |
135 | }; | |
136 | ||
137 | struct nfsd4_link { | |
138 | u32 li_namelen; /* request */ | |
139 | char * li_name; /* request */ | |
140 | struct nfsd4_change_info li_cinfo; /* response */ | |
141 | }; | |
142 | ||
143 | struct nfsd4_lock_denied { | |
144 | clientid_t ld_clientid; | |
7c13f344 | 145 | struct xdr_netobj ld_owner; |
1da177e4 LT |
146 | u64 ld_start; |
147 | u64 ld_length; | |
148 | u32 ld_type; | |
149 | }; | |
150 | ||
151 | struct nfsd4_lock { | |
152 | /* request */ | |
153 | u32 lk_type; | |
154 | u32 lk_reclaim; /* boolean */ | |
155 | u64 lk_offset; | |
156 | u64 lk_length; | |
157 | u32 lk_is_new; | |
158 | union { | |
159 | struct { | |
160 | u32 open_seqid; | |
161 | stateid_t open_stateid; | |
162 | u32 lock_seqid; | |
163 | clientid_t clientid; | |
164 | struct xdr_netobj owner; | |
165 | } new; | |
166 | struct { | |
167 | stateid_t lock_stateid; | |
168 | u32 lock_seqid; | |
169 | } old; | |
170 | } v; | |
171 | ||
172 | /* response */ | |
173 | union { | |
174 | struct { | |
175 | stateid_t stateid; | |
176 | } ok; | |
177 | struct nfsd4_lock_denied denied; | |
178 | } u; | |
1da177e4 LT |
179 | }; |
180 | #define lk_new_open_seqid v.new.open_seqid | |
181 | #define lk_new_open_stateid v.new.open_stateid | |
182 | #define lk_new_lock_seqid v.new.lock_seqid | |
183 | #define lk_new_clientid v.new.clientid | |
184 | #define lk_new_owner v.new.owner | |
185 | #define lk_old_lock_stateid v.old.lock_stateid | |
186 | #define lk_old_lock_seqid v.old.lock_seqid | |
187 | ||
1da177e4 LT |
188 | #define lk_resp_stateid u.ok.stateid |
189 | #define lk_denied u.denied | |
190 | ||
191 | ||
192 | struct nfsd4_lockt { | |
193 | u32 lt_type; | |
194 | clientid_t lt_clientid; | |
195 | struct xdr_netobj lt_owner; | |
196 | u64 lt_offset; | |
197 | u64 lt_length; | |
1da177e4 LT |
198 | struct nfsd4_lock_denied lt_denied; |
199 | }; | |
200 | ||
201 | ||
202 | struct nfsd4_locku { | |
203 | u32 lu_type; | |
204 | u32 lu_seqid; | |
205 | stateid_t lu_stateid; | |
206 | u64 lu_offset; | |
207 | u64 lu_length; | |
1da177e4 LT |
208 | }; |
209 | ||
210 | ||
211 | struct nfsd4_lookup { | |
212 | u32 lo_len; /* request */ | |
213 | char * lo_name; /* request */ | |
214 | }; | |
215 | ||
216 | struct nfsd4_putfh { | |
217 | u32 pf_fhlen; /* request */ | |
218 | char *pf_fhval; /* request */ | |
b9e8638e | 219 | bool no_verify; /* represents foreigh fh */ |
1da177e4 LT |
220 | }; |
221 | ||
6178713b FL |
222 | struct nfsd4_getxattr { |
223 | char *getxa_name; /* request */ | |
224 | u32 getxa_len; /* request */ | |
225 | void *getxa_buf; | |
226 | }; | |
227 | ||
228 | struct nfsd4_setxattr { | |
229 | u32 setxa_flags; /* request */ | |
230 | char *setxa_name; /* request */ | |
231 | char *setxa_buf; /* request */ | |
232 | u32 setxa_len; /* request */ | |
233 | struct nfsd4_change_info setxa_cinfo; /* response */ | |
234 | }; | |
235 | ||
236 | struct nfsd4_removexattr { | |
237 | char *rmxa_name; /* request */ | |
238 | struct nfsd4_change_info rmxa_cinfo; /* response */ | |
239 | }; | |
240 | ||
241 | struct nfsd4_listxattrs { | |
242 | u64 lsxa_cookie; /* request */ | |
243 | u32 lsxa_maxcount; /* request */ | |
244 | char *lsxa_buf; /* unfiltered buffer (reply) */ | |
245 | u32 lsxa_len; /* unfiltered len (reply) */ | |
246 | }; | |
247 | ||
1da177e4 LT |
248 | struct nfsd4_open { |
249 | u32 op_claim_type; /* request */ | |
1708e50b CL |
250 | u32 op_fnamelen; |
251 | char * op_fname; /* request - everything but CLAIM_PREV */ | |
1da177e4 LT |
252 | u32 op_delegate_type; /* request - CLAIM_PREV only */ |
253 | stateid_t op_delegate_stateid; /* request - response */ | |
d24433cd | 254 | u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ |
1da177e4 LT |
255 | u32 op_create; /* request */ |
256 | u32 op_createmode; /* request */ | |
880a3a53 | 257 | int op_umask; /* request */ |
7e705706 | 258 | u32 op_bmval[3]; /* request */ |
3ff69309 | 259 | struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
ab4684d1 CL |
260 | nfs4_verifier op_verf __attribute__((aligned(32))); |
261 | /* EXCLUSIVE4 */ | |
1da177e4 LT |
262 | clientid_t op_clientid; /* request */ |
263 | struct xdr_netobj op_owner; /* request */ | |
264 | u32 op_seqid; /* request */ | |
265 | u32 op_share_access; /* request */ | |
266 | u32 op_share_deny; /* request */ | |
2c8bd7e0 | 267 | u32 op_deleg_want; /* request */ |
1da177e4 | 268 | stateid_t op_stateid; /* response */ |
9d313b17 | 269 | __be32 op_xdr_error; /* see nfsd4_open_omfg() */ |
7b190fec | 270 | u32 op_recall; /* recall */ |
1da177e4 LT |
271 | struct nfsd4_change_info op_cinfo; /* response */ |
272 | u32 op_rflags; /* response */ | |
856121b2 BF |
273 | bool op_truncate; /* used during processing */ |
274 | bool op_created; /* used during processing */ | |
fe0750e5 | 275 | struct nfs4_openowner *op_openowner; /* used during processing */ |
fb70bf12 | 276 | struct file *op_filp; /* used during processing */ |
32513b40 | 277 | struct nfs4_file *op_file; /* used during processing */ |
4cdc951b | 278 | struct nfs4_ol_stateid *op_stp; /* used during processing */ |
8287f009 | 279 | struct nfs4_clnt_odstate *op_odstate; /* used during processing */ |
1da177e4 | 280 | struct nfs4_acl *op_acl; |
18032ca0 | 281 | struct xdr_netobj op_label; |
876c553c | 282 | struct svc_rqst *op_rqstp; |
1da177e4 | 283 | }; |
1da177e4 LT |
284 | |
285 | struct nfsd4_open_confirm { | |
286 | stateid_t oc_req_stateid /* request */; | |
287 | u32 oc_seqid /* request */; | |
288 | stateid_t oc_resp_stateid /* response */; | |
1da177e4 LT |
289 | }; |
290 | ||
291 | struct nfsd4_open_downgrade { | |
292 | stateid_t od_stateid; | |
293 | u32 od_seqid; | |
2c8bd7e0 BH |
294 | u32 od_share_access; /* request */ |
295 | u32 od_deleg_want; /* request */ | |
296 | u32 od_share_deny; /* request */ | |
1da177e4 LT |
297 | }; |
298 | ||
299 | ||
300 | struct nfsd4_read { | |
5c4583b2 JL |
301 | stateid_t rd_stateid; /* request */ |
302 | u64 rd_offset; /* request */ | |
303 | u32 rd_length; /* request */ | |
304 | int rd_vlen; | |
305 | struct nfsd_file *rd_nf; | |
24c7fb85 | 306 | |
5c4583b2 | 307 | struct svc_rqst *rd_rqstp; /* response */ |
24c7fb85 CL |
308 | struct svc_fh *rd_fhp; /* response */ |
309 | u32 rd_eof; /* response */ | |
1da177e4 LT |
310 | }; |
311 | ||
312 | struct nfsd4_readdir { | |
313 | u64 rd_cookie; /* request */ | |
314 | nfs4_verifier rd_verf; /* request */ | |
315 | u32 rd_dircount; /* request */ | |
316 | u32 rd_maxcount; /* request */ | |
7e705706 | 317 | u32 rd_bmval[3]; /* request */ |
1da177e4 LT |
318 | struct svc_rqst *rd_rqstp; /* response */ |
319 | struct svc_fh * rd_fhp; /* response */ | |
320 | ||
321 | struct readdir_cd common; | |
561f0ed4 BF |
322 | struct xdr_stream *xdr; |
323 | int cookie_offset; | |
1da177e4 LT |
324 | }; |
325 | ||
326 | struct nfsd4_release_lockowner { | |
327 | clientid_t rl_clientid; | |
328 | struct xdr_netobj rl_owner; | |
329 | }; | |
330 | struct nfsd4_readlink { | |
331 | struct svc_rqst *rl_rqstp; /* request */ | |
332 | struct svc_fh * rl_fhp; /* request */ | |
333 | }; | |
334 | ||
335 | struct nfsd4_remove { | |
336 | u32 rm_namelen; /* request */ | |
337 | char * rm_name; /* request */ | |
338 | struct nfsd4_change_info rm_cinfo; /* response */ | |
339 | }; | |
340 | ||
341 | struct nfsd4_rename { | |
342 | u32 rn_snamelen; /* request */ | |
343 | char * rn_sname; /* request */ | |
344 | u32 rn_tnamelen; /* request */ | |
345 | char * rn_tname; /* request */ | |
346 | struct nfsd4_change_info rn_sinfo; /* response */ | |
347 | struct nfsd4_change_info rn_tinfo; /* response */ | |
348 | }; | |
349 | ||
dcb488a3 AA |
350 | struct nfsd4_secinfo { |
351 | u32 si_namelen; /* request */ | |
352 | char *si_name; /* request */ | |
353 | struct svc_export *si_exp; /* response */ | |
354 | }; | |
355 | ||
04f4ad16 BF |
356 | struct nfsd4_secinfo_no_name { |
357 | u32 sin_style; /* request */ | |
358 | struct svc_export *sin_exp; /* response */ | |
359 | }; | |
360 | ||
1da177e4 LT |
361 | struct nfsd4_setattr { |
362 | stateid_t sa_stateid; /* request */ | |
7e705706 | 363 | u32 sa_bmval[3]; /* request */ |
1da177e4 LT |
364 | struct iattr sa_iattr; /* request */ |
365 | struct nfs4_acl *sa_acl; | |
18032ca0 | 366 | struct xdr_netobj sa_label; |
1da177e4 LT |
367 | }; |
368 | ||
369 | struct nfsd4_setclientid { | |
370 | nfs4_verifier se_verf; /* request */ | |
a084daf5 | 371 | struct xdr_netobj se_name; |
1da177e4 LT |
372 | u32 se_callback_prog; /* request */ |
373 | u32 se_callback_netid_len; /* request */ | |
374 | char * se_callback_netid_val; /* request */ | |
375 | u32 se_callback_addr_len; /* request */ | |
376 | char * se_callback_addr_val; /* request */ | |
377 | u32 se_callback_ident; /* request */ | |
378 | clientid_t se_clientid; /* response */ | |
379 | nfs4_verifier se_confirm; /* response */ | |
380 | }; | |
381 | ||
382 | struct nfsd4_setclientid_confirm { | |
383 | clientid_t sc_clientid; | |
384 | nfs4_verifier sc_confirm; | |
385 | }; | |
386 | ||
03cfb420 BS |
387 | struct nfsd4_test_stateid_id { |
388 | __be32 ts_id_status; | |
389 | stateid_t ts_id_stateid; | |
390 | struct list_head ts_id_list; | |
391 | }; | |
392 | ||
17456804 | 393 | struct nfsd4_test_stateid { |
57b7b43b | 394 | u32 ts_num_ids; |
03cfb420 | 395 | struct list_head ts_stateid_list; |
17456804 BS |
396 | }; |
397 | ||
e1ca12df BS |
398 | struct nfsd4_free_stateid { |
399 | stateid_t fr_stateid; /* request */ | |
e1ca12df BS |
400 | }; |
401 | ||
1da177e4 LT |
402 | /* also used for NVERIFY */ |
403 | struct nfsd4_verify { | |
7e705706 | 404 | u32 ve_bmval[3]; /* request */ |
1da177e4 LT |
405 | u32 ve_attrlen; /* request */ |
406 | char * ve_attrval; /* request */ | |
407 | }; | |
408 | ||
409 | struct nfsd4_write { | |
410 | stateid_t wr_stateid; /* request */ | |
411 | u64 wr_offset; /* request */ | |
412 | u32 wr_stable_how; /* request */ | |
413 | u32 wr_buflen; /* request */ | |
c1346a12 | 414 | struct xdr_buf wr_payload; /* request */ |
1da177e4 LT |
415 | |
416 | u32 wr_bytes_written; /* response */ | |
417 | u32 wr_how_written; /* response */ | |
418 | nfs4_verifier wr_verifier; /* response */ | |
419 | }; | |
420 | ||
2db134eb | 421 | struct nfsd4_exchange_id { |
0733d213 AA |
422 | nfs4_verifier verifier; |
423 | struct xdr_netobj clname; | |
424 | u32 flags; | |
425 | clientid_t clientid; | |
426 | u32 seqid; | |
523ec6ed | 427 | u32 spa_how; |
ed941643 AE |
428 | u32 spo_must_enforce[3]; |
429 | u32 spo_must_allow[3]; | |
79123444 BF |
430 | struct xdr_netobj nii_domain; |
431 | struct xdr_netobj nii_name; | |
432 | struct timespec64 nii_time; | |
2db134eb AA |
433 | }; |
434 | ||
2db134eb | 435 | struct nfsd4_sequence { |
b85d4c01 BH |
436 | struct nfs4_sessionid sessionid; /* request/response */ |
437 | u32 seqid; /* request/response */ | |
438 | u32 slotid; /* request/response */ | |
439 | u32 maxslots; /* request/response */ | |
440 | u32 cachethis; /* request */ | |
441 | #if 0 | |
442 | u32 target_maxslots; /* response */ | |
b85d4c01 | 443 | #endif /* not yet */ |
0d7bb719 | 444 | u32 status_flags; /* response */ |
2db134eb AA |
445 | }; |
446 | ||
447 | struct nfsd4_destroy_session { | |
e10e0cfc | 448 | struct nfs4_sessionid sessionid; |
2db134eb AA |
449 | }; |
450 | ||
345c2842 MJ |
451 | struct nfsd4_destroy_clientid { |
452 | clientid_t clientid; | |
453 | }; | |
454 | ||
4dc6ec00 BF |
455 | struct nfsd4_reclaim_complete { |
456 | u32 rca_one_fs; | |
457 | }; | |
458 | ||
9cf514cc CH |
459 | struct nfsd4_deviceid { |
460 | u64 fsid_idx; | |
461 | u32 generation; | |
462 | u32 pad; | |
463 | }; | |
464 | ||
465 | struct nfsd4_layout_seg { | |
466 | u32 iomode; | |
467 | u64 offset; | |
468 | u64 length; | |
469 | }; | |
470 | ||
471 | struct nfsd4_getdeviceinfo { | |
472 | struct nfsd4_deviceid gd_devid; /* request */ | |
473 | u32 gd_layout_type; /* request */ | |
474 | u32 gd_maxcount; /* request */ | |
475 | u32 gd_notify_types;/* request - response */ | |
476 | void *gd_device; /* response */ | |
477 | }; | |
478 | ||
479 | struct nfsd4_layoutget { | |
480 | u64 lg_minlength; /* request */ | |
481 | u32 lg_signal; /* request */ | |
482 | u32 lg_layout_type; /* request */ | |
483 | u32 lg_maxcount; /* request */ | |
484 | stateid_t lg_sid; /* request/response */ | |
485 | struct nfsd4_layout_seg lg_seg; /* request/response */ | |
486 | void *lg_content; /* response */ | |
487 | }; | |
488 | ||
489 | struct nfsd4_layoutcommit { | |
490 | stateid_t lc_sid; /* request */ | |
491 | struct nfsd4_layout_seg lc_seg; /* request */ | |
492 | u32 lc_reclaim; /* request */ | |
493 | u32 lc_newoffset; /* request */ | |
494 | u64 lc_last_wr; /* request */ | |
bdba5368 | 495 | struct timespec64 lc_mtime; /* request */ |
9cf514cc CH |
496 | u32 lc_layout_type; /* request */ |
497 | u32 lc_up_len; /* layout length */ | |
498 | void *lc_up_layout; /* decoded by callback */ | |
499 | u32 lc_size_chg; /* boolean for response */ | |
500 | u64 lc_newsize; /* response */ | |
501 | }; | |
502 | ||
503 | struct nfsd4_layoutreturn { | |
504 | u32 lr_return_type; /* request */ | |
505 | u32 lr_layout_type; /* request */ | |
506 | struct nfsd4_layout_seg lr_seg; /* request */ | |
507 | u32 lr_reclaim; /* request */ | |
508 | u32 lrf_body_len; /* request */ | |
509 | void *lrf_body; /* request */ | |
510 | stateid_t lr_sid; /* request/response */ | |
511 | u32 lrs_present; /* response */ | |
512 | }; | |
513 | ||
95d871f0 AS |
514 | struct nfsd4_fallocate { |
515 | /* request */ | |
516 | stateid_t falloc_stateid; | |
517 | loff_t falloc_offset; | |
518 | u64 falloc_length; | |
519 | }; | |
520 | ||
ffa0160a CH |
521 | struct nfsd4_clone { |
522 | /* request */ | |
523 | stateid_t cl_src_stateid; | |
524 | stateid_t cl_dst_stateid; | |
525 | u64 cl_src_pos; | |
526 | u64 cl_dst_pos; | |
527 | u64 cl_count; | |
528 | }; | |
529 | ||
29ae7f9d AS |
530 | struct nfsd42_write_res { |
531 | u64 wr_bytes_written; | |
532 | u32 wr_stable_how; | |
533 | nfs4_verifier wr_verifier; | |
9eb190fc | 534 | stateid_t cb_stateid; |
29ae7f9d AS |
535 | }; |
536 | ||
a11ada99 CL |
537 | struct nfsd4_cb_offload { |
538 | struct nfsd4_callback co_cb; | |
539 | struct nfsd42_write_res co_res; | |
540 | __be32 co_nfserr; | |
541 | struct knfsd_fh co_fh; | |
542 | }; | |
543 | ||
29ae7f9d AS |
544 | struct nfsd4_copy { |
545 | /* request */ | |
84e1b21d OK |
546 | stateid_t cp_src_stateid; |
547 | stateid_t cp_dst_stateid; | |
548 | u64 cp_src_pos; | |
549 | u64 cp_dst_pos; | |
550 | u64 cp_count; | |
87689df6 | 551 | struct nl4_server *cp_src; |
29ae7f9d | 552 | |
1913cdf5 CL |
553 | unsigned long cp_flags; |
554 | #define NFSD4_COPY_F_STOPPED (0) | |
555 | #define NFSD4_COPY_F_INTRA (1) | |
556 | #define NFSD4_COPY_F_SYNCHRONOUS (2) | |
557 | #define NFSD4_COPY_F_COMMITTED (3) | |
29ae7f9d AS |
558 | |
559 | /* response */ | |
560 | struct nfsd42_write_res cp_res; | |
9eb190fc | 561 | struct knfsd_fh fh; |
e0639dc5 OK |
562 | |
563 | struct nfs4_client *cp_clp; | |
564 | ||
5c4583b2 JL |
565 | struct nfsd_file *nf_src; |
566 | struct nfsd_file *nf_dst; | |
e0639dc5 | 567 | |
624322f1 | 568 | copy_stateid_t cp_stateid; |
e0639dc5 OK |
569 | |
570 | struct list_head copies; | |
571 | struct task_struct *copy_task; | |
572 | refcount_t refcount; | |
ce0887ac OK |
573 | |
574 | struct vfsmount *ss_mnt; | |
575 | struct nfs_fh c_fh; | |
576 | nfs4_stateid stateid; | |
29ae7f9d AS |
577 | }; |
578 | ||
1913cdf5 CL |
579 | static inline void nfsd4_copy_set_sync(struct nfsd4_copy *copy, bool sync) |
580 | { | |
581 | if (sync) | |
582 | set_bit(NFSD4_COPY_F_SYNCHRONOUS, ©->cp_flags); | |
583 | else | |
584 | clear_bit(NFSD4_COPY_F_SYNCHRONOUS, ©->cp_flags); | |
585 | } | |
586 | ||
587 | static inline bool nfsd4_copy_is_sync(const struct nfsd4_copy *copy) | |
588 | { | |
589 | return test_bit(NFSD4_COPY_F_SYNCHRONOUS, ©->cp_flags); | |
590 | } | |
591 | ||
592 | static inline bool nfsd4_copy_is_async(const struct nfsd4_copy *copy) | |
593 | { | |
594 | return !test_bit(NFSD4_COPY_F_SYNCHRONOUS, ©->cp_flags); | |
595 | } | |
596 | ||
597 | static inline bool nfsd4_ssc_is_inter(const struct nfsd4_copy *copy) | |
598 | { | |
599 | return !test_bit(NFSD4_COPY_F_INTRA, ©->cp_flags); | |
600 | } | |
601 | ||
24bab491 AS |
602 | struct nfsd4_seek { |
603 | /* request */ | |
604 | stateid_t seek_stateid; | |
605 | loff_t seek_offset; | |
606 | u32 seek_whence; | |
607 | ||
608 | /* response */ | |
609 | u32 seek_eof; | |
610 | loff_t seek_pos; | |
611 | }; | |
612 | ||
6308bc98 OK |
613 | struct nfsd4_offload_status { |
614 | /* request */ | |
615 | stateid_t stateid; | |
616 | ||
617 | /* response */ | |
618 | u64 count; | |
619 | u32 status; | |
620 | }; | |
621 | ||
51911868 OK |
622 | struct nfsd4_copy_notify { |
623 | /* request */ | |
624 | stateid_t cpn_src_stateid; | |
09426ef2 | 625 | struct nl4_server *cpn_dst; |
51911868 OK |
626 | |
627 | /* response */ | |
628 | stateid_t cpn_cnr_stateid; | |
629 | u64 cpn_sec; | |
630 | u32 cpn_nsec; | |
09426ef2 | 631 | struct nl4_server *cpn_src; |
51911868 OK |
632 | }; |
633 | ||
1da177e4 | 634 | struct nfsd4_op { |
3a237b4a | 635 | u32 opnum; |
b37ad28b | 636 | __be32 status; |
d3143094 CL |
637 | const struct nfsd4_operation *opdesc; |
638 | struct nfs4_replay *replay; | |
b60e9859 | 639 | union nfsd4_op_u { |
1da177e4 LT |
640 | struct nfsd4_access access; |
641 | struct nfsd4_close close; | |
642 | struct nfsd4_commit commit; | |
643 | struct nfsd4_create create; | |
644 | struct nfsd4_delegreturn delegreturn; | |
645 | struct nfsd4_getattr getattr; | |
646 | struct svc_fh * getfh; | |
647 | struct nfsd4_link link; | |
648 | struct nfsd4_lock lock; | |
649 | struct nfsd4_lockt lockt; | |
650 | struct nfsd4_locku locku; | |
651 | struct nfsd4_lookup lookup; | |
652 | struct nfsd4_verify nverify; | |
653 | struct nfsd4_open open; | |
654 | struct nfsd4_open_confirm open_confirm; | |
655 | struct nfsd4_open_downgrade open_downgrade; | |
656 | struct nfsd4_putfh putfh; | |
657 | struct nfsd4_read read; | |
658 | struct nfsd4_readdir readdir; | |
659 | struct nfsd4_readlink readlink; | |
660 | struct nfsd4_remove remove; | |
661 | struct nfsd4_rename rename; | |
662 | clientid_t renew; | |
dcb488a3 | 663 | struct nfsd4_secinfo secinfo; |
1da177e4 LT |
664 | struct nfsd4_setattr setattr; |
665 | struct nfsd4_setclientid setclientid; | |
666 | struct nfsd4_setclientid_confirm setclientid_confirm; | |
667 | struct nfsd4_verify verify; | |
668 | struct nfsd4_write write; | |
669 | struct nfsd4_release_lockowner release_lockowner; | |
2db134eb AA |
670 | |
671 | /* NFSv4.1 */ | |
672 | struct nfsd4_exchange_id exchange_id; | |
cb73a9f4 | 673 | struct nfsd4_backchannel_ctl backchannel_ctl; |
1d1bc8f2 | 674 | struct nfsd4_bind_conn_to_session bind_conn_to_session; |
2db134eb AA |
675 | struct nfsd4_create_session create_session; |
676 | struct nfsd4_destroy_session destroy_session; | |
eb69853d | 677 | struct nfsd4_destroy_clientid destroy_clientid; |
2db134eb | 678 | struct nfsd4_sequence sequence; |
4dc6ec00 | 679 | struct nfsd4_reclaim_complete reclaim_complete; |
17456804 | 680 | struct nfsd4_test_stateid test_stateid; |
e1ca12df | 681 | struct nfsd4_free_stateid free_stateid; |
9cf514cc CH |
682 | struct nfsd4_getdeviceinfo getdeviceinfo; |
683 | struct nfsd4_layoutget layoutget; | |
684 | struct nfsd4_layoutcommit layoutcommit; | |
685 | struct nfsd4_layoutreturn layoutreturn; | |
eb69853d | 686 | struct nfsd4_secinfo_no_name secinfo_no_name; |
24bab491 AS |
687 | |
688 | /* NFSv4.2 */ | |
95d871f0 | 689 | struct nfsd4_fallocate allocate; |
b0cb9085 | 690 | struct nfsd4_fallocate deallocate; |
ffa0160a | 691 | struct nfsd4_clone clone; |
29ae7f9d | 692 | struct nfsd4_copy copy; |
6308bc98 | 693 | struct nfsd4_offload_status offload_status; |
51911868 | 694 | struct nfsd4_copy_notify copy_notify; |
24bab491 | 695 | struct nfsd4_seek seek; |
6178713b FL |
696 | |
697 | struct nfsd4_getxattr getxattr; | |
698 | struct nfsd4_setxattr setxattr; | |
699 | struct nfsd4_listxattrs listxattrs; | |
700 | struct nfsd4_removexattr removexattr; | |
1da177e4 | 701 | } u; |
1da177e4 LT |
702 | }; |
703 | ||
1091006c BF |
704 | bool nfsd4_cache_this_op(struct nfsd4_op *); |
705 | ||
d5e23383 BF |
706 | /* |
707 | * Memory needed just for the duration of processing one compound: | |
708 | */ | |
709 | struct svcxdr_tmpbuf { | |
710 | struct svcxdr_tmpbuf *next; | |
711 | char buf[]; | |
712 | }; | |
713 | ||
1da177e4 LT |
714 | struct nfsd4_compoundargs { |
715 | /* scratch variables for XDR decode */ | |
c1346a12 | 716 | struct xdr_stream *xdr; |
d5e23383 | 717 | struct svcxdr_tmpbuf *to_free; |
1da177e4 LT |
718 | struct svc_rqst *rqstp; |
719 | ||
720 | u32 taglen; | |
721 | char * tag; | |
722 | u32 minorversion; | |
723 | u32 opcnt; | |
724 | struct nfsd4_op *ops; | |
725 | struct nfsd4_op iops[8]; | |
1091006c | 726 | int cachetype; |
1da177e4 LT |
727 | }; |
728 | ||
729 | struct nfsd4_compoundres { | |
730 | /* scratch variables for XDR encode */ | |
bddfdbcd | 731 | struct xdr_stream *xdr; |
1da177e4 LT |
732 | struct svc_rqst * rqstp; |
733 | ||
3b0ebb25 | 734 | __be32 *statusp; |
1da177e4 LT |
735 | u32 taglen; |
736 | char * tag; | |
737 | u32 opcnt; | |
3b0ebb25 | 738 | |
e354d571 | 739 | struct nfsd4_compound_state cstate; |
1da177e4 LT |
740 | }; |
741 | ||
bf864a31 AA |
742 | static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) |
743 | { | |
744 | struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; | |
468de9e5 | 745 | return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
bf864a31 AA |
746 | } |
747 | ||
085def3a BF |
748 | /* |
749 | * The session reply cache only needs to cache replies that the client | |
750 | * actually asked us to. But it's almost free for us to cache compounds | |
751 | * consisting of only a SEQUENCE op, so we may as well cache those too. | |
752 | * Also, the protocol doesn't give us a convenient response in the case | |
753 | * of a replay of a solo SEQUENCE op that wasn't cached | |
754 | * (RETRY_UNCACHED_REP can only be returned in the second op of a | |
755 | * compound). | |
756 | */ | |
757 | static inline bool nfsd4_cache_this(struct nfsd4_compoundres *resp) | |
bf864a31 | 758 | { |
085def3a | 759 | return (resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) |
73e79482 | 760 | || nfsd4_is_solo_sequence(resp); |
bf864a31 AA |
761 | } |
762 | ||
9b3234b9 BF |
763 | static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) |
764 | { | |
765 | struct nfsd4_compoundres *resp = rqstp->rq_resp; | |
766 | struct nfsd4_compoundargs *argp = rqstp->rq_argp; | |
767 | ||
768 | return argp->opcnt == resp->opcnt; | |
769 | } | |
770 | ||
f4f9ef4a | 771 | const struct nfsd4_operation *OPDESC(struct nfsd4_op *op); |
4f0cefbf | 772 | int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); |
07d1f802 BF |
773 | void warn_on_nonidempotent_op(struct nfsd4_op *op); |
774 | ||
1da177e4 LT |
775 | #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) |
776 | ||
777 | static inline void | |
778 | set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) | |
779 | { | |
c1ac3ffc | 780 | BUG_ON(!fhp->fh_pre_saved); |
716a8bc7 | 781 | cinfo->atomic = (u32)(fhp->fh_post_saved && !fhp->fh_no_atomic_attr); |
c1ac3ffc NB |
782 | |
783 | cinfo->before_change = fhp->fh_pre_change; | |
784 | cinfo->after_change = fhp->fh_post_change; | |
1da177e4 LT |
785 | } |
786 | ||
dedeb13f AE |
787 | |
788 | bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp); | |
c44b31c2 | 789 | bool nfs4svc_decode_compoundargs(struct svc_rqst *rqstp, struct xdr_stream *xdr); |
130e2054 | 790 | bool nfs4svc_encode_compoundres(struct svc_rqst *rqstp, struct xdr_stream *xdr); |
57b7b43b | 791 | __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); |
1da177e4 | 792 | void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
d0a381dd | 793 | void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); |
d5184658 BF |
794 | __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, |
795 | struct svc_fh *fhp, struct svc_export *exp, | |
796 | struct dentry *dentry, | |
797 | u32 *bmval, struct svc_rqst *, int ignore_crossmnt); | |
b37ad28b | 798 | extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
eb69853d | 799 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28b | 800 | extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
eb69853d | 801 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 802 | extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
eb69853d CH |
803 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
804 | extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, | |
805 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
806 | extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, | |
807 | struct nfsd4_compound_state *, union nfsd4_op_u *u); | |
3c4ab2aa | 808 | extern __be32 nfsd4_create_session(struct svc_rqst *, |
eb69853d | 809 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4 | 810 | extern __be32 nfsd4_sequence(struct svc_rqst *, |
eb69853d | 811 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b607664e | 812 | extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); |
069b6ad4 | 813 | extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
eb69853d CH |
814 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
815 | extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, | |
816 | union nfsd4_op_u *u); | |
817 | __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, | |
818 | union nfsd4_op_u *u); | |
6668958f | 819 | extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
3320fef1 | 820 | struct nfsd4_open *open, struct nfsd_net *nn); |
b37ad28b | 821 | extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
1da177e4 | 822 | struct svc_fh *current_fh, struct nfsd4_open *open); |
58fb12e6 JL |
823 | extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); |
824 | extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, | |
42297899 | 825 | struct nfsd4_open *open); |
b37ad28b | 826 | extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
eb69853d CH |
827 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
828 | extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
829 | union nfsd4_op_u *u); | |
b37ad28b | 830 | extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
eb69853d | 831 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
ca364317 | 832 | extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
eb69853d CH |
833 | union nfsd4_op_u *u); |
834 | extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
835 | union nfsd4_op_u *u); | |
836 | extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
837 | union nfsd4_op_u *u); | |
b37ad28b | 838 | extern __be32 |
1da177e4 | 839 | nfsd4_release_lockowner(struct svc_rqst *rqstp, |
eb69853d | 840 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
8537488b | 841 | extern void nfsd4_release_compoundargs(struct svc_rqst *rqstp); |
b37ad28b | 842 | extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
eb69853d CH |
843 | struct nfsd4_compound_state *, union nfsd4_op_u *u); |
844 | extern __be32 nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *, | |
845 | union nfsd4_op_u *u); | |
17456804 | 846 | extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, |
eb69853d | 847 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
e1ca12df | 848 | extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, |
eb69853d | 849 | struct nfsd4_compound_state *, union nfsd4_op_u *); |
9411b1d4 | 850 | extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); |
58fb12e6 | 851 | |
0020939f BF |
852 | enum nfsd4_op_flags { |
853 | ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ | |
854 | ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */ | |
855 | ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */ | |
856 | /* For rfc 5661 section 2.6.3.1.1: */ | |
857 | OP_HANDLES_WRONGSEC = 1 << 3, | |
858 | OP_IS_PUTFH_LIKE = 1 << 4, | |
859 | /* | |
860 | * These are the ops whose result size we estimate before | |
861 | * encoding, to avoid performing an op then not being able to | |
862 | * respond or cache a response. This includes writes and setattrs | |
863 | * as well as the operations usually called "nonidempotent": | |
864 | */ | |
865 | OP_MODIFIES_SOMETHING = 1 << 5, | |
866 | /* | |
867 | * Cache compounds containing these ops in the xid-based drc: | |
868 | * We use the DRC for compounds containing non-idempotent | |
869 | * operations, *except* those that are 4.1-specific (since | |
870 | * sessions provide their own EOS), and except for stateful | |
871 | * operations other than setclientid and setclientid_confirm | |
872 | * (since sequence numbers provide EOS for open, lock, etc in | |
873 | * the v4.0 case). | |
874 | */ | |
875 | OP_CACHEME = 1 << 6, | |
876 | /* | |
877 | * These are ops which clear current state id. | |
878 | */ | |
879 | OP_CLEAR_STATEID = 1 << 7, | |
b7571e4c BF |
880 | /* Most ops return only an error on failure; some may do more: */ |
881 | OP_NONTRIVIAL_ERROR_ENCODE = 1 << 8, | |
0020939f BF |
882 | }; |
883 | ||
884 | struct nfsd4_operation { | |
885 | __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *, | |
886 | union nfsd4_op_u *); | |
34b1744c | 887 | void (*op_release)(union nfsd4_op_u *); |
0020939f BF |
888 | u32 op_flags; |
889 | char *op_name; | |
890 | /* Try to get response size before operation */ | |
891 | u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *); | |
892 | void (*op_get_currentstateid)(struct nfsd4_compound_state *, | |
893 | union nfsd4_op_u *); | |
894 | void (*op_set_currentstateid)(struct nfsd4_compound_state *, | |
895 | union nfsd4_op_u *); | |
896 | }; | |
897 | ||
898 | ||
1da177e4 | 899 | #endif |