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authorBoaz Harrosh <bharrosh@panasas.com>2009-12-03 13:30:56 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-12-14 18:12:12 -0500
commit9a74af21330c8d46efa977d088a62cc1bfa954e9 (patch)
tree6f2e4b775738ae93da05ad475b244785bf40461e /fs/nfsd/xdr4.h
parent68590c382b875cc9a76b06097f3dff6730d787c1 (diff)
nfsd: Move private headers to source directory
Lots of include/linux/nfsd/* headers are only used by nfsd module. Move them to the source directory Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/xdr4.h')
-rw-r--r--fs/nfsd/xdr4.h564
1 files changed, 564 insertions, 0 deletions
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
new file mode 100644
index 000000000000..83202a1cf07b
--- /dev/null
+++ b/fs/nfsd/xdr4.h
@@ -0,0 +1,564 @@
1/*
2 * include/linux/nfsd/xdr4.h
3 *
4 * Server-side types for NFSv4.
5 *
6 * Copyright (c) 2002 The Regents of the University of Michigan.
7 * All rights reserved.
8 *
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 */
38
39#ifndef _LINUX_NFSD_XDR4_H
40#define _LINUX_NFSD_XDR4_H
41
42#include "state.h"
43#include "nfsd.h"
44
45#define NFSD4_MAX_TAGLEN 128
46#define XDR_LEN(n) (((n) + 3) & ~3)
47
48struct nfsd4_compound_state {
49 struct svc_fh current_fh;
50 struct svc_fh save_fh;
51 struct nfs4_stateowner *replay_owner;
52 /* For sessions DRC */
53 struct nfsd4_session *session;
54 struct nfsd4_slot *slot;
55 __be32 *datap;
56 size_t iovlen;
57 u32 minorversion;
58 u32 status;
59};
60
61static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
62{
63 return cs->slot != NULL;
64}
65
66struct nfsd4_change_info {
67 u32 atomic;
68 bool change_supported;
69 u32 before_ctime_sec;
70 u32 before_ctime_nsec;
71 u64 before_change;
72 u32 after_ctime_sec;
73 u32 after_ctime_nsec;
74 u64 after_change;
75};
76
77struct nfsd4_access {
78 u32 ac_req_access; /* request */
79 u32 ac_supported; /* response */
80 u32 ac_resp_access; /* response */
81};
82
83struct nfsd4_close {
84 u32 cl_seqid; /* request */
85 stateid_t cl_stateid; /* request+response */
86 struct nfs4_stateowner * cl_stateowner; /* response */
87};
88
89struct nfsd4_commit {
90 u64 co_offset; /* request */
91 u32 co_count; /* request */
92 nfs4_verifier co_verf; /* response */
93};
94
95struct nfsd4_create {
96 u32 cr_namelen; /* request */
97 char * cr_name; /* request */
98 u32 cr_type; /* request */
99 union { /* request */
100 struct {
101 u32 namelen;
102 char *name;
103 } link; /* NF4LNK */
104 struct {
105 u32 specdata1;
106 u32 specdata2;
107 } dev; /* NF4BLK, NF4CHR */
108 } u;
109 u32 cr_bmval[3]; /* request */
110 struct iattr cr_iattr; /* request */
111 struct nfsd4_change_info cr_cinfo; /* response */
112 struct nfs4_acl *cr_acl;
113};
114#define cr_linklen u.link.namelen
115#define cr_linkname u.link.name
116#define cr_specdata1 u.dev.specdata1
117#define cr_specdata2 u.dev.specdata2
118
119struct nfsd4_delegreturn {
120 stateid_t dr_stateid;
121};
122
123struct nfsd4_getattr {
124 u32 ga_bmval[3]; /* request */
125 struct svc_fh *ga_fhp; /* response */
126};
127
128struct nfsd4_link {
129 u32 li_namelen; /* request */
130 char * li_name; /* request */
131 struct nfsd4_change_info li_cinfo; /* response */
132};
133
134struct nfsd4_lock_denied {
135 clientid_t ld_clientid;
136 struct nfs4_stateowner *ld_sop;
137 u64 ld_start;
138 u64 ld_length;
139 u32 ld_type;
140};
141
142struct nfsd4_lock {
143 /* request */
144 u32 lk_type;
145 u32 lk_reclaim; /* boolean */
146 u64 lk_offset;
147 u64 lk_length;
148 u32 lk_is_new;
149 union {
150 struct {
151 u32 open_seqid;
152 stateid_t open_stateid;
153 u32 lock_seqid;
154 clientid_t clientid;
155 struct xdr_netobj owner;
156 } new;
157 struct {
158 stateid_t lock_stateid;
159 u32 lock_seqid;
160 } old;
161 } v;
162
163 /* response */
164 union {
165 struct {
166 stateid_t stateid;
167 } ok;
168 struct nfsd4_lock_denied denied;
169 } u;
170 /* The lk_replay_owner is the open owner in the open_to_lock_owner
171 * case and the lock owner otherwise: */
172 struct nfs4_stateowner *lk_replay_owner;
173};
174#define lk_new_open_seqid v.new.open_seqid
175#define lk_new_open_stateid v.new.open_stateid
176#define lk_new_lock_seqid v.new.lock_seqid
177#define lk_new_clientid v.new.clientid
178#define lk_new_owner v.new.owner
179#define lk_old_lock_stateid v.old.lock_stateid
180#define lk_old_lock_seqid v.old.lock_seqid
181
182#define lk_rflags u.ok.rflags
183#define lk_resp_stateid u.ok.stateid
184#define lk_denied u.denied
185
186
187struct nfsd4_lockt {
188 u32 lt_type;
189 clientid_t lt_clientid;
190 struct xdr_netobj lt_owner;
191 u64 lt_offset;
192 u64 lt_length;
193 struct nfs4_stateowner * lt_stateowner;
194 struct nfsd4_lock_denied lt_denied;
195};
196
197
198struct nfsd4_locku {
199 u32 lu_type;
200 u32 lu_seqid;
201 stateid_t lu_stateid;
202 u64 lu_offset;
203 u64 lu_length;
204 struct nfs4_stateowner *lu_stateowner;
205};
206
207
208struct nfsd4_lookup {
209 u32 lo_len; /* request */
210 char * lo_name; /* request */
211};
212
213struct nfsd4_putfh {
214 u32 pf_fhlen; /* request */
215 char *pf_fhval; /* request */
216};
217
218struct nfsd4_open {
219 u32 op_claim_type; /* request */
220 struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
221 u32 op_delegate_type; /* request - CLAIM_PREV only */
222 stateid_t op_delegate_stateid; /* request - response */
223 u32 op_create; /* request */
224 u32 op_createmode; /* request */
225 u32 op_bmval[3]; /* request */
226 struct iattr iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
227 nfs4_verifier verf; /* EXCLUSIVE4 */
228 clientid_t op_clientid; /* request */
229 struct xdr_netobj op_owner; /* request */
230 u32 op_seqid; /* request */
231 u32 op_share_access; /* request */
232 u32 op_share_deny; /* request */
233 stateid_t op_stateid; /* response */
234 u32 op_recall; /* recall */
235 struct nfsd4_change_info op_cinfo; /* response */
236 u32 op_rflags; /* response */
237 int op_truncate; /* used during processing */
238 struct nfs4_stateowner *op_stateowner; /* used during processing */
239 struct nfs4_acl *op_acl;
240};
241#define op_iattr iattr
242#define op_verf verf
243
244struct nfsd4_open_confirm {
245 stateid_t oc_req_stateid /* request */;
246 u32 oc_seqid /* request */;
247 stateid_t oc_resp_stateid /* response */;
248 struct nfs4_stateowner * oc_stateowner; /* response */
249};
250
251struct nfsd4_open_downgrade {
252 stateid_t od_stateid;
253 u32 od_seqid;
254 u32 od_share_access;
255 u32 od_share_deny;
256 struct nfs4_stateowner *od_stateowner;
257};
258
259
260struct nfsd4_read {
261 stateid_t rd_stateid; /* request */
262 u64 rd_offset; /* request */
263 u32 rd_length; /* request */
264 int rd_vlen;
265 struct file *rd_filp;
266
267 struct svc_rqst *rd_rqstp; /* response */
268 struct svc_fh * rd_fhp; /* response */
269};
270
271struct nfsd4_readdir {
272 u64 rd_cookie; /* request */
273 nfs4_verifier rd_verf; /* request */
274 u32 rd_dircount; /* request */
275 u32 rd_maxcount; /* request */
276 u32 rd_bmval[3]; /* request */
277 struct svc_rqst *rd_rqstp; /* response */
278 struct svc_fh * rd_fhp; /* response */
279
280 struct readdir_cd common;
281 __be32 * buffer;
282 int buflen;
283 __be32 * offset;
284};
285
286struct nfsd4_release_lockowner {
287 clientid_t rl_clientid;
288 struct xdr_netobj rl_owner;
289};
290struct nfsd4_readlink {
291 struct svc_rqst *rl_rqstp; /* request */
292 struct svc_fh * rl_fhp; /* request */
293};
294
295struct nfsd4_remove {
296 u32 rm_namelen; /* request */
297 char * rm_name; /* request */
298 struct nfsd4_change_info rm_cinfo; /* response */
299};
300
301struct nfsd4_rename {
302 u32 rn_snamelen; /* request */
303 char * rn_sname; /* request */
304 u32 rn_tnamelen; /* request */
305 char * rn_tname; /* request */
306 struct nfsd4_change_info rn_sinfo; /* response */
307 struct nfsd4_change_info rn_tinfo; /* response */
308};
309
310struct nfsd4_secinfo {
311 u32 si_namelen; /* request */
312 char *si_name; /* request */
313 struct svc_export *si_exp; /* response */
314};
315
316struct nfsd4_setattr {
317 stateid_t sa_stateid; /* request */
318 u32 sa_bmval[3]; /* request */
319 struct iattr sa_iattr; /* request */
320 struct nfs4_acl *sa_acl;
321};
322
323struct nfsd4_setclientid {
324 nfs4_verifier se_verf; /* request */
325 u32 se_namelen; /* request */
326 char * se_name; /* request */
327 u32 se_callback_prog; /* request */
328 u32 se_callback_netid_len; /* request */
329 char * se_callback_netid_val; /* request */
330 u32 se_callback_addr_len; /* request */
331 char * se_callback_addr_val; /* request */
332 u32 se_callback_ident; /* request */
333 clientid_t se_clientid; /* response */
334 nfs4_verifier se_confirm; /* response */
335};
336
337struct nfsd4_setclientid_confirm {
338 clientid_t sc_clientid;
339 nfs4_verifier sc_confirm;
340};
341
342/* also used for NVERIFY */
343struct nfsd4_verify {
344 u32 ve_bmval[3]; /* request */
345 u32 ve_attrlen; /* request */
346 char * ve_attrval; /* request */
347};
348
349struct nfsd4_write {
350 stateid_t wr_stateid; /* request */
351 u64 wr_offset; /* request */
352 u32 wr_stable_how; /* request */
353 u32 wr_buflen; /* request */
354 int wr_vlen;
355
356 u32 wr_bytes_written; /* response */
357 u32 wr_how_written; /* response */
358 nfs4_verifier wr_verifier; /* response */
359};
360
361struct nfsd4_exchange_id {
362 nfs4_verifier verifier;
363 struct xdr_netobj clname;
364 u32 flags;
365 clientid_t clientid;
366 u32 seqid;
367 int spa_how;
368};
369
370struct nfsd4_sequence {
371 struct nfs4_sessionid sessionid; /* request/response */
372 u32 seqid; /* request/response */
373 u32 slotid; /* request/response */
374 u32 maxslots; /* request/response */
375 u32 cachethis; /* request */
376#if 0
377 u32 target_maxslots; /* response */
378 u32 status_flags; /* response */
379#endif /* not yet */
380};
381
382struct nfsd4_destroy_session {
383 struct nfs4_sessionid sessionid;
384};
385
386struct nfsd4_op {
387 int opnum;
388 __be32 status;
389 union {
390 struct nfsd4_access access;
391 struct nfsd4_close close;
392 struct nfsd4_commit commit;
393 struct nfsd4_create create;
394 struct nfsd4_delegreturn delegreturn;
395 struct nfsd4_getattr getattr;
396 struct svc_fh * getfh;
397 struct nfsd4_link link;
398 struct nfsd4_lock lock;
399 struct nfsd4_lockt lockt;
400 struct nfsd4_locku locku;
401 struct nfsd4_lookup lookup;
402 struct nfsd4_verify nverify;
403 struct nfsd4_open open;
404 struct nfsd4_open_confirm open_confirm;
405 struct nfsd4_open_downgrade open_downgrade;
406 struct nfsd4_putfh putfh;
407 struct nfsd4_read read;
408 struct nfsd4_readdir readdir;
409 struct nfsd4_readlink readlink;
410 struct nfsd4_remove remove;
411 struct nfsd4_rename rename;
412 clientid_t renew;
413 struct nfsd4_secinfo secinfo;
414 struct nfsd4_setattr setattr;
415 struct nfsd4_setclientid setclientid;
416 struct nfsd4_setclientid_confirm setclientid_confirm;
417 struct nfsd4_verify verify;
418 struct nfsd4_write write;
419 struct nfsd4_release_lockowner release_lockowner;
420
421 /* NFSv4.1 */
422 struct nfsd4_exchange_id exchange_id;
423 struct nfsd4_create_session create_session;
424 struct nfsd4_destroy_session destroy_session;
425 struct nfsd4_sequence sequence;
426 } u;
427 struct nfs4_replay * replay;
428};
429
430struct nfsd4_compoundargs {
431 /* scratch variables for XDR decode */
432 __be32 * p;
433 __be32 * end;
434 struct page ** pagelist;
435 int pagelen;
436 __be32 tmp[8];
437 __be32 * tmpp;
438 struct tmpbuf {
439 struct tmpbuf *next;
440 void (*release)(const void *);
441 void *buf;
442 } *to_free;
443
444 struct svc_rqst *rqstp;
445
446 u32 taglen;
447 char * tag;
448 u32 minorversion;
449 u32 opcnt;
450 struct nfsd4_op *ops;
451 struct nfsd4_op iops[8];
452};
453
454struct nfsd4_compoundres {
455 /* scratch variables for XDR encode */
456 __be32 * p;
457 __be32 * end;
458 struct xdr_buf * xbuf;
459 struct svc_rqst * rqstp;
460
461 u32 taglen;
462 char * tag;
463 u32 opcnt;
464 __be32 * tagp; /* tag, opcount encode location */
465 struct nfsd4_compound_state cstate;
466};
467
468static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
469{
470 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
471 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
472}
473
474static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
475{
476 return !resp->cstate.slot->sl_cachethis || nfsd4_is_solo_sequence(resp);
477}
478
479#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
480
481static inline void
482set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
483{
484 BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
485 cinfo->atomic = 1;
486 cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
487 if (cinfo->change_supported) {
488 cinfo->before_change = fhp->fh_pre_change;
489 cinfo->after_change = fhp->fh_post_change;
490 } else {
491 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
492 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
493 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
494 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
495 }
496}
497
498int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
499int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
500 struct nfsd4_compoundargs *);
501int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
502 struct nfsd4_compoundres *);
503void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
504void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
505__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
506 struct dentry *dentry, __be32 *buffer, int *countp,
507 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
508extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
509 struct nfsd4_compound_state *,
510 struct nfsd4_setclientid *setclid);
511extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
512 struct nfsd4_compound_state *,
513 struct nfsd4_setclientid_confirm *setclientid_confirm);
514extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
515extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
516 struct nfsd4_sequence *seq);
517extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
518 struct nfsd4_compound_state *,
519struct nfsd4_exchange_id *);
520 extern __be32 nfsd4_create_session(struct svc_rqst *,
521 struct nfsd4_compound_state *,
522 struct nfsd4_create_session *);
523extern __be32 nfsd4_sequence(struct svc_rqst *,
524 struct nfsd4_compound_state *,
525 struct nfsd4_sequence *);
526extern __be32 nfsd4_destroy_session(struct svc_rqst *,
527 struct nfsd4_compound_state *,
528 struct nfsd4_destroy_session *);
529extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
530 struct nfsd4_open *open);
531extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
532 struct svc_fh *current_fh, struct nfsd4_open *open);
533extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
534 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
535extern __be32 nfsd4_close(struct svc_rqst *rqstp,
536 struct nfsd4_compound_state *,
537 struct nfsd4_close *close);
538extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
539 struct nfsd4_compound_state *,
540 struct nfsd4_open_downgrade *od);
541extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
542 struct nfsd4_lock *lock);
543extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
544 struct nfsd4_compound_state *,
545 struct nfsd4_lockt *lockt);
546extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
547 struct nfsd4_compound_state *,
548 struct nfsd4_locku *locku);
549extern __be32
550nfsd4_release_lockowner(struct svc_rqst *rqstp,
551 struct nfsd4_compound_state *,
552 struct nfsd4_release_lockowner *rlockowner);
553extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
554extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
555 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
556extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
557 struct nfsd4_compound_state *, clientid_t *clid);
558#endif
559
560/*
561 * Local variables:
562 * c-basic-offset: 8
563 * End:
564 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 21:07:07 -0500