1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * linux/fs/lockd/svcproc.c
4 *
5 * Lockd server procedures. We don't implement the NLM_*_RES
6 * procedures because we don't use the async procedures.
7 *
8 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
9 */
10
11 #include <linux/types.h>
12 #include <linux/time.h>
13 #include <linux/lockd/lockd.h>
14 #include <linux/lockd/share.h>
15 #include <linux/sunrpc/svc_xprt.h>
16
17 #define NLMDBG_FACILITY NLMDBG_CLIENT
18
19 #ifdef CONFIG_LOCKD_V4
20 static __be32
cast_to_nlm(__be32 status,u32 vers)21 cast_to_nlm(__be32 status, u32 vers)
22 {
23 /* Note: status is assumed to be in network byte order !!! */
24 if (vers != 4){
25 switch (status) {
26 case nlm_granted:
27 case nlm_lck_denied:
28 case nlm_lck_denied_nolocks:
29 case nlm_lck_blocked:
30 case nlm_lck_denied_grace_period:
31 case nlm_drop_reply:
32 break;
33 case nlm4_deadlock:
34 status = nlm_lck_denied;
35 break;
36 default:
37 status = nlm_lck_denied_nolocks;
38 }
39 }
40
41 return (status);
42 }
43 #define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers))
44 #else
45 #define cast_status(status) (status)
46 #endif
47
48 /*
49 * Obtain client and file from arguments
50 */
51 static __be32
nlmsvc_retrieve_args(struct svc_rqst * rqstp,struct nlm_args * argp,struct nlm_host ** hostp,struct nlm_file ** filp)52 nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
53 struct nlm_host **hostp, struct nlm_file **filp)
54 {
55 struct nlm_host *host = NULL;
56 struct nlm_file *file = NULL;
57 struct nlm_lock *lock = &argp->lock;
58 __be32 error = 0;
59
60 /* nfsd callbacks must have been installed for this procedure */
61 if (!nlmsvc_ops)
62 return nlm_lck_denied_nolocks;
63
64 /* Obtain host handle */
65 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
66 || (argp->monitor && nsm_monitor(host) < 0))
67 goto no_locks;
68 *hostp = host;
69
70 /* Obtain file pointer. Not used by FREE_ALL call. */
71 if (filp != NULL) {
72 error = cast_status(nlm_lookup_file(rqstp, &file, &lock->fh));
73 if (error != 0)
74 goto no_locks;
75 *filp = file;
76
77 /* Set up the missing parts of the file_lock structure */
78 lock->fl.fl_file = file->f_file;
79 lock->fl.fl_pid = current->tgid;
80 lock->fl.fl_lmops = &nlmsvc_lock_operations;
81 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
82 if (!lock->fl.fl_owner) {
83 /* lockowner allocation has failed */
84 nlmsvc_release_host(host);
85 return nlm_lck_denied_nolocks;
86 }
87 }
88
89 return 0;
90
91 no_locks:
92 nlmsvc_release_host(host);
93 if (error)
94 return error;
95 return nlm_lck_denied_nolocks;
96 }
97
98 /*
99 * NULL: Test for presence of service
100 */
101 static __be32
nlmsvc_proc_null(struct svc_rqst * rqstp)102 nlmsvc_proc_null(struct svc_rqst *rqstp)
103 {
104 dprintk("lockd: NULL called\n");
105 return rpc_success;
106 }
107
108 /*
109 * TEST: Check for conflicting lock
110 */
111 static __be32
__nlmsvc_proc_test(struct svc_rqst * rqstp,struct nlm_res * resp)112 __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
113 {
114 struct nlm_args *argp = rqstp->rq_argp;
115 struct nlm_host *host;
116 struct nlm_file *file;
117 __be32 rc = rpc_success;
118
119 dprintk("lockd: TEST called\n");
120 resp->cookie = argp->cookie;
121
122 /* Obtain client and file */
123 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
124 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
125
126 /* Now check for conflicting locks */
127 resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
128 if (resp->status == nlm_drop_reply)
129 rc = rpc_drop_reply;
130 else
131 dprintk("lockd: TEST status %d vers %d\n",
132 ntohl(resp->status), rqstp->rq_vers);
133
134 nlmsvc_release_lockowner(&argp->lock);
135 nlmsvc_release_host(host);
136 nlm_release_file(file);
137 return rc;
138 }
139
140 static __be32
nlmsvc_proc_test(struct svc_rqst * rqstp)141 nlmsvc_proc_test(struct svc_rqst *rqstp)
142 {
143 return __nlmsvc_proc_test(rqstp, rqstp->rq_resp);
144 }
145
146 static __be32
__nlmsvc_proc_lock(struct svc_rqst * rqstp,struct nlm_res * resp)147 __nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
148 {
149 struct nlm_args *argp = rqstp->rq_argp;
150 struct nlm_host *host;
151 struct nlm_file *file;
152 __be32 rc = rpc_success;
153
154 dprintk("lockd: LOCK called\n");
155
156 resp->cookie = argp->cookie;
157
158 /* Obtain client and file */
159 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
160 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
161
162 #if 0
163 /* If supplied state doesn't match current state, we assume it's
164 * an old request that time-warped somehow. Any error return would
165 * do in this case because it's irrelevant anyway.
166 *
167 * NB: We don't retrieve the remote host's state yet.
168 */
169 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
170 resp->status = nlm_lck_denied_nolocks;
171 } else
172 #endif
173
174 /* Now try to lock the file */
175 resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,
176 argp->block, &argp->cookie,
177 argp->reclaim));
178 if (resp->status == nlm_drop_reply)
179 rc = rpc_drop_reply;
180 else
181 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
182
183 nlmsvc_release_lockowner(&argp->lock);
184 nlmsvc_release_host(host);
185 nlm_release_file(file);
186 return rc;
187 }
188
189 static __be32
nlmsvc_proc_lock(struct svc_rqst * rqstp)190 nlmsvc_proc_lock(struct svc_rqst *rqstp)
191 {
192 return __nlmsvc_proc_lock(rqstp, rqstp->rq_resp);
193 }
194
195 static __be32
__nlmsvc_proc_cancel(struct svc_rqst * rqstp,struct nlm_res * resp)196 __nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp)
197 {
198 struct nlm_args *argp = rqstp->rq_argp;
199 struct nlm_host *host;
200 struct nlm_file *file;
201 struct net *net = SVC_NET(rqstp);
202
203 dprintk("lockd: CANCEL called\n");
204
205 resp->cookie = argp->cookie;
206
207 /* Don't accept requests during grace period */
208 if (locks_in_grace(net)) {
209 resp->status = nlm_lck_denied_grace_period;
210 return rpc_success;
211 }
212
213 /* Obtain client and file */
214 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
215 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
216
217 /* Try to cancel request. */
218 resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock));
219
220 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
221 nlmsvc_release_lockowner(&argp->lock);
222 nlmsvc_release_host(host);
223 nlm_release_file(file);
224 return rpc_success;
225 }
226
227 static __be32
nlmsvc_proc_cancel(struct svc_rqst * rqstp)228 nlmsvc_proc_cancel(struct svc_rqst *rqstp)
229 {
230 return __nlmsvc_proc_cancel(rqstp, rqstp->rq_resp);
231 }
232
233 /*
234 * UNLOCK: release a lock
235 */
236 static __be32
__nlmsvc_proc_unlock(struct svc_rqst * rqstp,struct nlm_res * resp)237 __nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp)
238 {
239 struct nlm_args *argp = rqstp->rq_argp;
240 struct nlm_host *host;
241 struct nlm_file *file;
242 struct net *net = SVC_NET(rqstp);
243
244 dprintk("lockd: UNLOCK called\n");
245
246 resp->cookie = argp->cookie;
247
248 /* Don't accept new lock requests during grace period */
249 if (locks_in_grace(net)) {
250 resp->status = nlm_lck_denied_grace_period;
251 return rpc_success;
252 }
253
254 /* Obtain client and file */
255 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
256 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
257
258 /* Now try to remove the lock */
259 resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock));
260
261 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
262 nlmsvc_release_lockowner(&argp->lock);
263 nlmsvc_release_host(host);
264 nlm_release_file(file);
265 return rpc_success;
266 }
267
268 static __be32
nlmsvc_proc_unlock(struct svc_rqst * rqstp)269 nlmsvc_proc_unlock(struct svc_rqst *rqstp)
270 {
271 return __nlmsvc_proc_unlock(rqstp, rqstp->rq_resp);
272 }
273
274 /*
275 * GRANTED: A server calls us to tell that a process' lock request
276 * was granted
277 */
278 static __be32
__nlmsvc_proc_granted(struct svc_rqst * rqstp,struct nlm_res * resp)279 __nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp)
280 {
281 struct nlm_args *argp = rqstp->rq_argp;
282
283 resp->cookie = argp->cookie;
284
285 dprintk("lockd: GRANTED called\n");
286 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
287 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
288 return rpc_success;
289 }
290
291 static __be32
nlmsvc_proc_granted(struct svc_rqst * rqstp)292 nlmsvc_proc_granted(struct svc_rqst *rqstp)
293 {
294 return __nlmsvc_proc_granted(rqstp, rqstp->rq_resp);
295 }
296
297 /*
298 * This is the generic lockd callback for async RPC calls
299 */
nlmsvc_callback_exit(struct rpc_task * task,void * data)300 static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
301 {
302 dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
303 -task->tk_status);
304 }
305
nlmsvc_release_call(struct nlm_rqst * call)306 void nlmsvc_release_call(struct nlm_rqst *call)
307 {
308 if (!refcount_dec_and_test(&call->a_count))
309 return;
310 nlmsvc_release_host(call->a_host);
311 kfree(call);
312 }
313
nlmsvc_callback_release(void * data)314 static void nlmsvc_callback_release(void *data)
315 {
316 nlmsvc_release_call(data);
317 }
318
319 static const struct rpc_call_ops nlmsvc_callback_ops = {
320 .rpc_call_done = nlmsvc_callback_exit,
321 .rpc_release = nlmsvc_callback_release,
322 };
323
324 /*
325 * `Async' versions of the above service routines. They aren't really,
326 * because we send the callback before the reply proper. I hope this
327 * doesn't break any clients.
328 */
nlmsvc_callback(struct svc_rqst * rqstp,u32 proc,__be32 (* func)(struct svc_rqst *,struct nlm_res *))329 static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc,
330 __be32 (*func)(struct svc_rqst *, struct nlm_res *))
331 {
332 struct nlm_args *argp = rqstp->rq_argp;
333 struct nlm_host *host;
334 struct nlm_rqst *call;
335 __be32 stat;
336
337 host = nlmsvc_lookup_host(rqstp,
338 argp->lock.caller,
339 argp->lock.len);
340 if (host == NULL)
341 return rpc_system_err;
342
343 call = nlm_alloc_call(host);
344 nlmsvc_release_host(host);
345 if (call == NULL)
346 return rpc_system_err;
347
348 stat = func(rqstp, &call->a_res);
349 if (stat != 0) {
350 nlmsvc_release_call(call);
351 return stat;
352 }
353
354 call->a_flags = RPC_TASK_ASYNC;
355 if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
356 return rpc_system_err;
357 return rpc_success;
358 }
359
nlmsvc_proc_test_msg(struct svc_rqst * rqstp)360 static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp)
361 {
362 dprintk("lockd: TEST_MSG called\n");
363 return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, __nlmsvc_proc_test);
364 }
365
nlmsvc_proc_lock_msg(struct svc_rqst * rqstp)366 static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp)
367 {
368 dprintk("lockd: LOCK_MSG called\n");
369 return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, __nlmsvc_proc_lock);
370 }
371
nlmsvc_proc_cancel_msg(struct svc_rqst * rqstp)372 static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp)
373 {
374 dprintk("lockd: CANCEL_MSG called\n");
375 return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, __nlmsvc_proc_cancel);
376 }
377
378 static __be32
nlmsvc_proc_unlock_msg(struct svc_rqst * rqstp)379 nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp)
380 {
381 dprintk("lockd: UNLOCK_MSG called\n");
382 return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlmsvc_proc_unlock);
383 }
384
385 static __be32
nlmsvc_proc_granted_msg(struct svc_rqst * rqstp)386 nlmsvc_proc_granted_msg(struct svc_rqst *rqstp)
387 {
388 dprintk("lockd: GRANTED_MSG called\n");
389 return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, __nlmsvc_proc_granted);
390 }
391
392 /*
393 * SHARE: create a DOS share or alter existing share.
394 */
395 static __be32
nlmsvc_proc_share(struct svc_rqst * rqstp)396 nlmsvc_proc_share(struct svc_rqst *rqstp)
397 {
398 struct nlm_args *argp = rqstp->rq_argp;
399 struct nlm_res *resp = rqstp->rq_resp;
400 struct nlm_host *host;
401 struct nlm_file *file;
402
403 dprintk("lockd: SHARE called\n");
404
405 resp->cookie = argp->cookie;
406
407 /* Don't accept new lock requests during grace period */
408 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) {
409 resp->status = nlm_lck_denied_grace_period;
410 return rpc_success;
411 }
412
413 /* Obtain client and file */
414 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
415 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
416
417 /* Now try to create the share */
418 resp->status = cast_status(nlmsvc_share_file(host, file, argp));
419
420 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
421 nlmsvc_release_lockowner(&argp->lock);
422 nlmsvc_release_host(host);
423 nlm_release_file(file);
424 return rpc_success;
425 }
426
427 /*
428 * UNSHARE: Release a DOS share.
429 */
430 static __be32
nlmsvc_proc_unshare(struct svc_rqst * rqstp)431 nlmsvc_proc_unshare(struct svc_rqst *rqstp)
432 {
433 struct nlm_args *argp = rqstp->rq_argp;
434 struct nlm_res *resp = rqstp->rq_resp;
435 struct nlm_host *host;
436 struct nlm_file *file;
437
438 dprintk("lockd: UNSHARE called\n");
439
440 resp->cookie = argp->cookie;
441
442 /* Don't accept requests during grace period */
443 if (locks_in_grace(SVC_NET(rqstp))) {
444 resp->status = nlm_lck_denied_grace_period;
445 return rpc_success;
446 }
447
448 /* Obtain client and file */
449 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
450 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
451
452 /* Now try to unshare the file */
453 resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
454
455 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
456 nlmsvc_release_lockowner(&argp->lock);
457 nlmsvc_release_host(host);
458 nlm_release_file(file);
459 return rpc_success;
460 }
461
462 /*
463 * NM_LOCK: Create an unmonitored lock
464 */
465 static __be32
nlmsvc_proc_nm_lock(struct svc_rqst * rqstp)466 nlmsvc_proc_nm_lock(struct svc_rqst *rqstp)
467 {
468 struct nlm_args *argp = rqstp->rq_argp;
469
470 dprintk("lockd: NM_LOCK called\n");
471
472 argp->monitor = 0; /* just clean the monitor flag */
473 return nlmsvc_proc_lock(rqstp);
474 }
475
476 /*
477 * FREE_ALL: Release all locks and shares held by client
478 */
479 static __be32
nlmsvc_proc_free_all(struct svc_rqst * rqstp)480 nlmsvc_proc_free_all(struct svc_rqst *rqstp)
481 {
482 struct nlm_args *argp = rqstp->rq_argp;
483 struct nlm_host *host;
484
485 /* Obtain client */
486 if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
487 return rpc_success;
488
489 nlmsvc_free_host_resources(host);
490 nlmsvc_release_host(host);
491 return rpc_success;
492 }
493
494 /*
495 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
496 */
497 static __be32
nlmsvc_proc_sm_notify(struct svc_rqst * rqstp)498 nlmsvc_proc_sm_notify(struct svc_rqst *rqstp)
499 {
500 struct nlm_reboot *argp = rqstp->rq_argp;
501
502 dprintk("lockd: SM_NOTIFY called\n");
503
504 if (!nlm_privileged_requester(rqstp)) {
505 char buf[RPC_MAX_ADDRBUFLEN];
506 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
507 svc_print_addr(rqstp, buf, sizeof(buf)));
508 return rpc_system_err;
509 }
510
511 nlm_host_rebooted(SVC_NET(rqstp), argp);
512 return rpc_success;
513 }
514
515 /*
516 * client sent a GRANTED_RES, let's remove the associated block
517 */
518 static __be32
nlmsvc_proc_granted_res(struct svc_rqst * rqstp)519 nlmsvc_proc_granted_res(struct svc_rqst *rqstp)
520 {
521 struct nlm_res *argp = rqstp->rq_argp;
522
523 if (!nlmsvc_ops)
524 return rpc_success;
525
526 dprintk("lockd: GRANTED_RES called\n");
527
528 nlmsvc_grant_reply(&argp->cookie, argp->status);
529 return rpc_success;
530 }
531
532 static __be32
nlmsvc_proc_unused(struct svc_rqst * rqstp)533 nlmsvc_proc_unused(struct svc_rqst *rqstp)
534 {
535 return rpc_proc_unavail;
536 }
537
538 /*
539 * NLM Server procedures.
540 */
541
542 struct nlm_void { int dummy; };
543
544 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
545 #define St 1 /* status */
546 #define No (1+1024/4) /* Net Obj */
547 #define Rg 2 /* range - offset + size */
548
549 const struct svc_procedure nlmsvc_procedures[24] = {
550 [NLMPROC_NULL] = {
551 .pc_func = nlmsvc_proc_null,
552 .pc_decode = nlmsvc_decode_void,
553 .pc_encode = nlmsvc_encode_void,
554 .pc_argsize = sizeof(struct nlm_void),
555 .pc_ressize = sizeof(struct nlm_void),
556 .pc_xdrressize = St,
557 },
558 [NLMPROC_TEST] = {
559 .pc_func = nlmsvc_proc_test,
560 .pc_decode = nlmsvc_decode_testargs,
561 .pc_encode = nlmsvc_encode_testres,
562 .pc_argsize = sizeof(struct nlm_args),
563 .pc_ressize = sizeof(struct nlm_res),
564 .pc_xdrressize = Ck+St+2+No+Rg,
565 },
566 [NLMPROC_LOCK] = {
567 .pc_func = nlmsvc_proc_lock,
568 .pc_decode = nlmsvc_decode_lockargs,
569 .pc_encode = nlmsvc_encode_res,
570 .pc_argsize = sizeof(struct nlm_args),
571 .pc_ressize = sizeof(struct nlm_res),
572 .pc_xdrressize = Ck+St,
573 },
574 [NLMPROC_CANCEL] = {
575 .pc_func = nlmsvc_proc_cancel,
576 .pc_decode = nlmsvc_decode_cancargs,
577 .pc_encode = nlmsvc_encode_res,
578 .pc_argsize = sizeof(struct nlm_args),
579 .pc_ressize = sizeof(struct nlm_res),
580 .pc_xdrressize = Ck+St,
581 },
582 [NLMPROC_UNLOCK] = {
583 .pc_func = nlmsvc_proc_unlock,
584 .pc_decode = nlmsvc_decode_unlockargs,
585 .pc_encode = nlmsvc_encode_res,
586 .pc_argsize = sizeof(struct nlm_args),
587 .pc_ressize = sizeof(struct nlm_res),
588 .pc_xdrressize = Ck+St,
589 },
590 [NLMPROC_GRANTED] = {
591 .pc_func = nlmsvc_proc_granted,
592 .pc_decode = nlmsvc_decode_testargs,
593 .pc_encode = nlmsvc_encode_res,
594 .pc_argsize = sizeof(struct nlm_args),
595 .pc_ressize = sizeof(struct nlm_res),
596 .pc_xdrressize = Ck+St,
597 },
598 [NLMPROC_TEST_MSG] = {
599 .pc_func = nlmsvc_proc_test_msg,
600 .pc_decode = nlmsvc_decode_testargs,
601 .pc_encode = nlmsvc_encode_void,
602 .pc_argsize = sizeof(struct nlm_args),
603 .pc_ressize = sizeof(struct nlm_void),
604 .pc_xdrressize = St,
605 },
606 [NLMPROC_LOCK_MSG] = {
607 .pc_func = nlmsvc_proc_lock_msg,
608 .pc_decode = nlmsvc_decode_lockargs,
609 .pc_encode = nlmsvc_encode_void,
610 .pc_argsize = sizeof(struct nlm_args),
611 .pc_ressize = sizeof(struct nlm_void),
612 .pc_xdrressize = St,
613 },
614 [NLMPROC_CANCEL_MSG] = {
615 .pc_func = nlmsvc_proc_cancel_msg,
616 .pc_decode = nlmsvc_decode_cancargs,
617 .pc_encode = nlmsvc_encode_void,
618 .pc_argsize = sizeof(struct nlm_args),
619 .pc_ressize = sizeof(struct nlm_void),
620 .pc_xdrressize = St,
621 },
622 [NLMPROC_UNLOCK_MSG] = {
623 .pc_func = nlmsvc_proc_unlock_msg,
624 .pc_decode = nlmsvc_decode_unlockargs,
625 .pc_encode = nlmsvc_encode_void,
626 .pc_argsize = sizeof(struct nlm_args),
627 .pc_ressize = sizeof(struct nlm_void),
628 .pc_xdrressize = St,
629 },
630 [NLMPROC_GRANTED_MSG] = {
631 .pc_func = nlmsvc_proc_granted_msg,
632 .pc_decode = nlmsvc_decode_testargs,
633 .pc_encode = nlmsvc_encode_void,
634 .pc_argsize = sizeof(struct nlm_args),
635 .pc_ressize = sizeof(struct nlm_void),
636 .pc_xdrressize = St,
637 },
638 [NLMPROC_TEST_RES] = {
639 .pc_func = nlmsvc_proc_null,
640 .pc_decode = nlmsvc_decode_void,
641 .pc_encode = nlmsvc_encode_void,
642 .pc_argsize = sizeof(struct nlm_res),
643 .pc_ressize = sizeof(struct nlm_void),
644 .pc_xdrressize = St,
645 },
646 [NLMPROC_LOCK_RES] = {
647 .pc_func = nlmsvc_proc_null,
648 .pc_decode = nlmsvc_decode_void,
649 .pc_encode = nlmsvc_encode_void,
650 .pc_argsize = sizeof(struct nlm_res),
651 .pc_ressize = sizeof(struct nlm_void),
652 .pc_xdrressize = St,
653 },
654 [NLMPROC_CANCEL_RES] = {
655 .pc_func = nlmsvc_proc_null,
656 .pc_decode = nlmsvc_decode_void,
657 .pc_encode = nlmsvc_encode_void,
658 .pc_argsize = sizeof(struct nlm_res),
659 .pc_ressize = sizeof(struct nlm_void),
660 .pc_xdrressize = St,
661 },
662 [NLMPROC_UNLOCK_RES] = {
663 .pc_func = nlmsvc_proc_null,
664 .pc_decode = nlmsvc_decode_void,
665 .pc_encode = nlmsvc_encode_void,
666 .pc_argsize = sizeof(struct nlm_res),
667 .pc_ressize = sizeof(struct nlm_void),
668 .pc_xdrressize = St,
669 },
670 [NLMPROC_GRANTED_RES] = {
671 .pc_func = nlmsvc_proc_granted_res,
672 .pc_decode = nlmsvc_decode_res,
673 .pc_encode = nlmsvc_encode_void,
674 .pc_argsize = sizeof(struct nlm_res),
675 .pc_ressize = sizeof(struct nlm_void),
676 .pc_xdrressize = St,
677 },
678 [NLMPROC_NSM_NOTIFY] = {
679 .pc_func = nlmsvc_proc_sm_notify,
680 .pc_decode = nlmsvc_decode_reboot,
681 .pc_encode = nlmsvc_encode_void,
682 .pc_argsize = sizeof(struct nlm_reboot),
683 .pc_ressize = sizeof(struct nlm_void),
684 .pc_xdrressize = St,
685 },
686 [17] = {
687 .pc_func = nlmsvc_proc_unused,
688 .pc_decode = nlmsvc_decode_void,
689 .pc_encode = nlmsvc_encode_void,
690 .pc_argsize = sizeof(struct nlm_void),
691 .pc_ressize = sizeof(struct nlm_void),
692 .pc_xdrressize = St,
693 },
694 [18] = {
695 .pc_func = nlmsvc_proc_unused,
696 .pc_decode = nlmsvc_decode_void,
697 .pc_encode = nlmsvc_encode_void,
698 .pc_argsize = sizeof(struct nlm_void),
699 .pc_ressize = sizeof(struct nlm_void),
700 .pc_xdrressize = St,
701 },
702 [19] = {
703 .pc_func = nlmsvc_proc_unused,
704 .pc_decode = nlmsvc_decode_void,
705 .pc_encode = nlmsvc_encode_void,
706 .pc_argsize = sizeof(struct nlm_void),
707 .pc_ressize = sizeof(struct nlm_void),
708 .pc_xdrressize = St,
709 },
710 [NLMPROC_SHARE] = {
711 .pc_func = nlmsvc_proc_share,
712 .pc_decode = nlmsvc_decode_shareargs,
713 .pc_encode = nlmsvc_encode_shareres,
714 .pc_argsize = sizeof(struct nlm_args),
715 .pc_ressize = sizeof(struct nlm_res),
716 .pc_xdrressize = Ck+St+1,
717 },
718 [NLMPROC_UNSHARE] = {
719 .pc_func = nlmsvc_proc_unshare,
720 .pc_decode = nlmsvc_decode_shareargs,
721 .pc_encode = nlmsvc_encode_shareres,
722 .pc_argsize = sizeof(struct nlm_args),
723 .pc_ressize = sizeof(struct nlm_res),
724 .pc_xdrressize = Ck+St+1,
725 },
726 [NLMPROC_NM_LOCK] = {
727 .pc_func = nlmsvc_proc_nm_lock,
728 .pc_decode = nlmsvc_decode_lockargs,
729 .pc_encode = nlmsvc_encode_res,
730 .pc_argsize = sizeof(struct nlm_args),
731 .pc_ressize = sizeof(struct nlm_res),
732 .pc_xdrressize = Ck+St,
733 },
734 [NLMPROC_FREE_ALL] = {
735 .pc_func = nlmsvc_proc_free_all,
736 .pc_decode = nlmsvc_decode_notify,
737 .pc_encode = nlmsvc_encode_void,
738 .pc_argsize = sizeof(struct nlm_args),
739 .pc_ressize = sizeof(struct nlm_void),
740 .pc_xdrressize = 0,
741 },
742 };
743