1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * linux/fs/lockd/svc4proc.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 /*
20 * Obtain client and file from arguments
21 */
22 static __be32
nlm4svc_retrieve_args(struct svc_rqst * rqstp,struct nlm_args * argp,struct nlm_host ** hostp,struct nlm_file ** filp)23 nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
24 struct nlm_host **hostp, struct nlm_file **filp)
25 {
26 struct nlm_host *host = NULL;
27 struct nlm_file *file = NULL;
28 struct nlm_lock *lock = &argp->lock;
29 __be32 error = 0;
30
31 /* nfsd callbacks must have been installed for this procedure */
32 if (!nlmsvc_ops)
33 return nlm_lck_denied_nolocks;
34
35 /* Obtain host handle */
36 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
37 || (argp->monitor && nsm_monitor(host) < 0))
38 goto no_locks;
39 *hostp = host;
40
41 /* Obtain file pointer. Not used by FREE_ALL call. */
42 if (filp != NULL) {
43 if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
44 goto no_locks;
45 *filp = file;
46
47 /* Set up the missing parts of the file_lock structure */
48 lock->fl.fl_file = file->f_file;
49 lock->fl.fl_pid = current->tgid;
50 lock->fl.fl_lmops = &nlmsvc_lock_operations;
51 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
52 if (!lock->fl.fl_owner) {
53 /* lockowner allocation has failed */
54 nlmsvc_release_host(host);
55 return nlm_lck_denied_nolocks;
56 }
57 }
58
59 return 0;
60
61 no_locks:
62 nlmsvc_release_host(host);
63 if (error)
64 return error;
65 return nlm_lck_denied_nolocks;
66 }
67
68 /*
69 * NULL: Test for presence of service
70 */
71 static __be32
nlm4svc_proc_null(struct svc_rqst * rqstp)72 nlm4svc_proc_null(struct svc_rqst *rqstp)
73 {
74 dprintk("lockd: NULL called\n");
75 return rpc_success;
76 }
77
78 /*
79 * TEST: Check for conflicting lock
80 */
81 static __be32
__nlm4svc_proc_test(struct svc_rqst * rqstp,struct nlm_res * resp)82 __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
83 {
84 struct nlm_args *argp = rqstp->rq_argp;
85 struct nlm_host *host;
86 struct nlm_file *file;
87 __be32 rc = rpc_success;
88
89 dprintk("lockd: TEST4 called\n");
90 resp->cookie = argp->cookie;
91
92 /* Obtain client and file */
93 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
94 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
95
96 /* Now check for conflicting locks */
97 resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie);
98 if (resp->status == nlm_drop_reply)
99 rc = rpc_drop_reply;
100 else
101 dprintk("lockd: TEST4 status %d\n", ntohl(resp->status));
102
103 nlmsvc_release_lockowner(&argp->lock);
104 nlmsvc_release_host(host);
105 nlm_release_file(file);
106 return rc;
107 }
108
109 static __be32
nlm4svc_proc_test(struct svc_rqst * rqstp)110 nlm4svc_proc_test(struct svc_rqst *rqstp)
111 {
112 return __nlm4svc_proc_test(rqstp, rqstp->rq_resp);
113 }
114
115 static __be32
__nlm4svc_proc_lock(struct svc_rqst * rqstp,struct nlm_res * resp)116 __nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
117 {
118 struct nlm_args *argp = rqstp->rq_argp;
119 struct nlm_host *host;
120 struct nlm_file *file;
121 __be32 rc = rpc_success;
122
123 dprintk("lockd: LOCK called\n");
124
125 resp->cookie = argp->cookie;
126
127 /* Obtain client and file */
128 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
129 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
130
131 #if 0
132 /* If supplied state doesn't match current state, we assume it's
133 * an old request that time-warped somehow. Any error return would
134 * do in this case because it's irrelevant anyway.
135 *
136 * NB: We don't retrieve the remote host's state yet.
137 */
138 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
139 resp->status = nlm_lck_denied_nolocks;
140 } else
141 #endif
142
143 /* Now try to lock the file */
144 resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock,
145 argp->block, &argp->cookie,
146 argp->reclaim);
147 if (resp->status == nlm_drop_reply)
148 rc = rpc_drop_reply;
149 else
150 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
151
152 nlmsvc_release_lockowner(&argp->lock);
153 nlmsvc_release_host(host);
154 nlm_release_file(file);
155 return rc;
156 }
157
158 static __be32
nlm4svc_proc_lock(struct svc_rqst * rqstp)159 nlm4svc_proc_lock(struct svc_rqst *rqstp)
160 {
161 return __nlm4svc_proc_lock(rqstp, rqstp->rq_resp);
162 }
163
164 static __be32
__nlm4svc_proc_cancel(struct svc_rqst * rqstp,struct nlm_res * resp)165 __nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp)
166 {
167 struct nlm_args *argp = rqstp->rq_argp;
168 struct nlm_host *host;
169 struct nlm_file *file;
170
171 dprintk("lockd: CANCEL called\n");
172
173 resp->cookie = argp->cookie;
174
175 /* Don't accept requests during grace period */
176 if (locks_in_grace(SVC_NET(rqstp))) {
177 resp->status = nlm_lck_denied_grace_period;
178 return rpc_success;
179 }
180
181 /* Obtain client and file */
182 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
183 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
184
185 /* Try to cancel request. */
186 resp->status = nlmsvc_cancel_blocked(SVC_NET(rqstp), file, &argp->lock);
187
188 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
189 nlmsvc_release_lockowner(&argp->lock);
190 nlmsvc_release_host(host);
191 nlm_release_file(file);
192 return rpc_success;
193 }
194
195 static __be32
nlm4svc_proc_cancel(struct svc_rqst * rqstp)196 nlm4svc_proc_cancel(struct svc_rqst *rqstp)
197 {
198 return __nlm4svc_proc_cancel(rqstp, rqstp->rq_resp);
199 }
200
201 /*
202 * UNLOCK: release a lock
203 */
204 static __be32
__nlm4svc_proc_unlock(struct svc_rqst * rqstp,struct nlm_res * resp)205 __nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp)
206 {
207 struct nlm_args *argp = rqstp->rq_argp;
208 struct nlm_host *host;
209 struct nlm_file *file;
210
211 dprintk("lockd: UNLOCK called\n");
212
213 resp->cookie = argp->cookie;
214
215 /* Don't accept new lock requests during grace period */
216 if (locks_in_grace(SVC_NET(rqstp))) {
217 resp->status = nlm_lck_denied_grace_period;
218 return rpc_success;
219 }
220
221 /* Obtain client and file */
222 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
223 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
224
225 /* Now try to remove the lock */
226 resp->status = nlmsvc_unlock(SVC_NET(rqstp), file, &argp->lock);
227
228 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
229 nlmsvc_release_lockowner(&argp->lock);
230 nlmsvc_release_host(host);
231 nlm_release_file(file);
232 return rpc_success;
233 }
234
235 static __be32
nlm4svc_proc_unlock(struct svc_rqst * rqstp)236 nlm4svc_proc_unlock(struct svc_rqst *rqstp)
237 {
238 return __nlm4svc_proc_unlock(rqstp, rqstp->rq_resp);
239 }
240
241 /*
242 * GRANTED: A server calls us to tell that a process' lock request
243 * was granted
244 */
245 static __be32
__nlm4svc_proc_granted(struct svc_rqst * rqstp,struct nlm_res * resp)246 __nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp)
247 {
248 struct nlm_args *argp = rqstp->rq_argp;
249
250 resp->cookie = argp->cookie;
251
252 dprintk("lockd: GRANTED called\n");
253 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
254 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
255 return rpc_success;
256 }
257
258 static __be32
nlm4svc_proc_granted(struct svc_rqst * rqstp)259 nlm4svc_proc_granted(struct svc_rqst *rqstp)
260 {
261 return __nlm4svc_proc_granted(rqstp, rqstp->rq_resp);
262 }
263
264 /*
265 * This is the generic lockd callback for async RPC calls
266 */
nlm4svc_callback_exit(struct rpc_task * task,void * data)267 static void nlm4svc_callback_exit(struct rpc_task *task, void *data)
268 {
269 dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
270 -task->tk_status);
271 }
272
nlm4svc_callback_release(void * data)273 static void nlm4svc_callback_release(void *data)
274 {
275 nlmsvc_release_call(data);
276 }
277
278 static const struct rpc_call_ops nlm4svc_callback_ops = {
279 .rpc_call_done = nlm4svc_callback_exit,
280 .rpc_release = nlm4svc_callback_release,
281 };
282
283 /*
284 * `Async' versions of the above service routines. They aren't really,
285 * because we send the callback before the reply proper. I hope this
286 * doesn't break any clients.
287 */
nlm4svc_callback(struct svc_rqst * rqstp,u32 proc,__be32 (* func)(struct svc_rqst *,struct nlm_res *))288 static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc,
289 __be32 (*func)(struct svc_rqst *, struct nlm_res *))
290 {
291 struct nlm_args *argp = rqstp->rq_argp;
292 struct nlm_host *host;
293 struct nlm_rqst *call;
294 __be32 stat;
295
296 host = nlmsvc_lookup_host(rqstp,
297 argp->lock.caller,
298 argp->lock.len);
299 if (host == NULL)
300 return rpc_system_err;
301
302 call = nlm_alloc_call(host);
303 nlmsvc_release_host(host);
304 if (call == NULL)
305 return rpc_system_err;
306
307 stat = func(rqstp, &call->a_res);
308 if (stat != 0) {
309 nlmsvc_release_call(call);
310 return stat;
311 }
312
313 call->a_flags = RPC_TASK_ASYNC;
314 if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0)
315 return rpc_system_err;
316 return rpc_success;
317 }
318
nlm4svc_proc_test_msg(struct svc_rqst * rqstp)319 static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp)
320 {
321 dprintk("lockd: TEST_MSG called\n");
322 return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, __nlm4svc_proc_test);
323 }
324
nlm4svc_proc_lock_msg(struct svc_rqst * rqstp)325 static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp)
326 {
327 dprintk("lockd: LOCK_MSG called\n");
328 return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, __nlm4svc_proc_lock);
329 }
330
nlm4svc_proc_cancel_msg(struct svc_rqst * rqstp)331 static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp)
332 {
333 dprintk("lockd: CANCEL_MSG called\n");
334 return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, __nlm4svc_proc_cancel);
335 }
336
nlm4svc_proc_unlock_msg(struct svc_rqst * rqstp)337 static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp)
338 {
339 dprintk("lockd: UNLOCK_MSG called\n");
340 return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlm4svc_proc_unlock);
341 }
342
nlm4svc_proc_granted_msg(struct svc_rqst * rqstp)343 static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp)
344 {
345 dprintk("lockd: GRANTED_MSG called\n");
346 return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, __nlm4svc_proc_granted);
347 }
348
349 /*
350 * SHARE: create a DOS share or alter existing share.
351 */
352 static __be32
nlm4svc_proc_share(struct svc_rqst * rqstp)353 nlm4svc_proc_share(struct svc_rqst *rqstp)
354 {
355 struct nlm_args *argp = rqstp->rq_argp;
356 struct nlm_res *resp = rqstp->rq_resp;
357 struct nlm_host *host;
358 struct nlm_file *file;
359
360 dprintk("lockd: SHARE called\n");
361
362 resp->cookie = argp->cookie;
363
364 /* Don't accept new lock requests during grace period */
365 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) {
366 resp->status = nlm_lck_denied_grace_period;
367 return rpc_success;
368 }
369
370 /* Obtain client and file */
371 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
372 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
373
374 /* Now try to create the share */
375 resp->status = nlmsvc_share_file(host, file, argp);
376
377 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
378 nlmsvc_release_lockowner(&argp->lock);
379 nlmsvc_release_host(host);
380 nlm_release_file(file);
381 return rpc_success;
382 }
383
384 /*
385 * UNSHARE: Release a DOS share.
386 */
387 static __be32
nlm4svc_proc_unshare(struct svc_rqst * rqstp)388 nlm4svc_proc_unshare(struct svc_rqst *rqstp)
389 {
390 struct nlm_args *argp = rqstp->rq_argp;
391 struct nlm_res *resp = rqstp->rq_resp;
392 struct nlm_host *host;
393 struct nlm_file *file;
394
395 dprintk("lockd: UNSHARE called\n");
396
397 resp->cookie = argp->cookie;
398
399 /* Don't accept requests during grace period */
400 if (locks_in_grace(SVC_NET(rqstp))) {
401 resp->status = nlm_lck_denied_grace_period;
402 return rpc_success;
403 }
404
405 /* Obtain client and file */
406 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
407 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
408
409 /* Now try to lock the file */
410 resp->status = nlmsvc_unshare_file(host, file, argp);
411
412 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
413 nlmsvc_release_lockowner(&argp->lock);
414 nlmsvc_release_host(host);
415 nlm_release_file(file);
416 return rpc_success;
417 }
418
419 /*
420 * NM_LOCK: Create an unmonitored lock
421 */
422 static __be32
nlm4svc_proc_nm_lock(struct svc_rqst * rqstp)423 nlm4svc_proc_nm_lock(struct svc_rqst *rqstp)
424 {
425 struct nlm_args *argp = rqstp->rq_argp;
426
427 dprintk("lockd: NM_LOCK called\n");
428
429 argp->monitor = 0; /* just clean the monitor flag */
430 return nlm4svc_proc_lock(rqstp);
431 }
432
433 /*
434 * FREE_ALL: Release all locks and shares held by client
435 */
436 static __be32
nlm4svc_proc_free_all(struct svc_rqst * rqstp)437 nlm4svc_proc_free_all(struct svc_rqst *rqstp)
438 {
439 struct nlm_args *argp = rqstp->rq_argp;
440 struct nlm_host *host;
441
442 /* Obtain client */
443 if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL))
444 return rpc_success;
445
446 nlmsvc_free_host_resources(host);
447 nlmsvc_release_host(host);
448 return rpc_success;
449 }
450
451 /*
452 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
453 */
454 static __be32
nlm4svc_proc_sm_notify(struct svc_rqst * rqstp)455 nlm4svc_proc_sm_notify(struct svc_rqst *rqstp)
456 {
457 struct nlm_reboot *argp = rqstp->rq_argp;
458
459 dprintk("lockd: SM_NOTIFY called\n");
460
461 if (!nlm_privileged_requester(rqstp)) {
462 char buf[RPC_MAX_ADDRBUFLEN];
463 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
464 svc_print_addr(rqstp, buf, sizeof(buf)));
465 return rpc_system_err;
466 }
467
468 nlm_host_rebooted(SVC_NET(rqstp), argp);
469 return rpc_success;
470 }
471
472 /*
473 * client sent a GRANTED_RES, let's remove the associated block
474 */
475 static __be32
nlm4svc_proc_granted_res(struct svc_rqst * rqstp)476 nlm4svc_proc_granted_res(struct svc_rqst *rqstp)
477 {
478 struct nlm_res *argp = rqstp->rq_argp;
479
480 if (!nlmsvc_ops)
481 return rpc_success;
482
483 dprintk("lockd: GRANTED_RES called\n");
484
485 nlmsvc_grant_reply(&argp->cookie, argp->status);
486 return rpc_success;
487 }
488
489 static __be32
nlm4svc_proc_unused(struct svc_rqst * rqstp)490 nlm4svc_proc_unused(struct svc_rqst *rqstp)
491 {
492 return rpc_proc_unavail;
493 }
494
495
496 /*
497 * NLM Server procedures.
498 */
499
500 struct nlm_void { int dummy; };
501
502 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
503 #define No (1+1024/4) /* netobj */
504 #define St 1 /* status */
505 #define Rg 4 /* range (offset + length) */
506
507 const struct svc_procedure nlmsvc_procedures4[24] = {
508 [NLMPROC_NULL] = {
509 .pc_func = nlm4svc_proc_null,
510 .pc_decode = nlm4svc_decode_void,
511 .pc_encode = nlm4svc_encode_void,
512 .pc_argsize = sizeof(struct nlm_void),
513 .pc_ressize = sizeof(struct nlm_void),
514 .pc_xdrressize = St,
515 },
516 [NLMPROC_TEST] = {
517 .pc_func = nlm4svc_proc_test,
518 .pc_decode = nlm4svc_decode_testargs,
519 .pc_encode = nlm4svc_encode_testres,
520 .pc_argsize = sizeof(struct nlm_args),
521 .pc_ressize = sizeof(struct nlm_res),
522 .pc_xdrressize = Ck+St+2+No+Rg,
523 },
524 [NLMPROC_LOCK] = {
525 .pc_func = nlm4svc_proc_lock,
526 .pc_decode = nlm4svc_decode_lockargs,
527 .pc_encode = nlm4svc_encode_res,
528 .pc_argsize = sizeof(struct nlm_args),
529 .pc_ressize = sizeof(struct nlm_res),
530 .pc_xdrressize = Ck+St,
531 },
532 [NLMPROC_CANCEL] = {
533 .pc_func = nlm4svc_proc_cancel,
534 .pc_decode = nlm4svc_decode_cancargs,
535 .pc_encode = nlm4svc_encode_res,
536 .pc_argsize = sizeof(struct nlm_args),
537 .pc_ressize = sizeof(struct nlm_res),
538 .pc_xdrressize = Ck+St,
539 },
540 [NLMPROC_UNLOCK] = {
541 .pc_func = nlm4svc_proc_unlock,
542 .pc_decode = nlm4svc_decode_unlockargs,
543 .pc_encode = nlm4svc_encode_res,
544 .pc_argsize = sizeof(struct nlm_args),
545 .pc_ressize = sizeof(struct nlm_res),
546 .pc_xdrressize = Ck+St,
547 },
548 [NLMPROC_GRANTED] = {
549 .pc_func = nlm4svc_proc_granted,
550 .pc_decode = nlm4svc_decode_testargs,
551 .pc_encode = nlm4svc_encode_res,
552 .pc_argsize = sizeof(struct nlm_args),
553 .pc_ressize = sizeof(struct nlm_res),
554 .pc_xdrressize = Ck+St,
555 },
556 [NLMPROC_TEST_MSG] = {
557 .pc_func = nlm4svc_proc_test_msg,
558 .pc_decode = nlm4svc_decode_testargs,
559 .pc_encode = nlm4svc_encode_void,
560 .pc_argsize = sizeof(struct nlm_args),
561 .pc_ressize = sizeof(struct nlm_void),
562 .pc_xdrressize = St,
563 },
564 [NLMPROC_LOCK_MSG] = {
565 .pc_func = nlm4svc_proc_lock_msg,
566 .pc_decode = nlm4svc_decode_lockargs,
567 .pc_encode = nlm4svc_encode_void,
568 .pc_argsize = sizeof(struct nlm_args),
569 .pc_ressize = sizeof(struct nlm_void),
570 .pc_xdrressize = St,
571 },
572 [NLMPROC_CANCEL_MSG] = {
573 .pc_func = nlm4svc_proc_cancel_msg,
574 .pc_decode = nlm4svc_decode_cancargs,
575 .pc_encode = nlm4svc_encode_void,
576 .pc_argsize = sizeof(struct nlm_args),
577 .pc_ressize = sizeof(struct nlm_void),
578 .pc_xdrressize = St,
579 },
580 [NLMPROC_UNLOCK_MSG] = {
581 .pc_func = nlm4svc_proc_unlock_msg,
582 .pc_decode = nlm4svc_decode_unlockargs,
583 .pc_encode = nlm4svc_encode_void,
584 .pc_argsize = sizeof(struct nlm_args),
585 .pc_ressize = sizeof(struct nlm_void),
586 .pc_xdrressize = St,
587 },
588 [NLMPROC_GRANTED_MSG] = {
589 .pc_func = nlm4svc_proc_granted_msg,
590 .pc_decode = nlm4svc_decode_testargs,
591 .pc_encode = nlm4svc_encode_void,
592 .pc_argsize = sizeof(struct nlm_args),
593 .pc_ressize = sizeof(struct nlm_void),
594 .pc_xdrressize = St,
595 },
596 [NLMPROC_TEST_RES] = {
597 .pc_func = nlm4svc_proc_null,
598 .pc_decode = nlm4svc_decode_void,
599 .pc_encode = nlm4svc_encode_void,
600 .pc_argsize = sizeof(struct nlm_res),
601 .pc_ressize = sizeof(struct nlm_void),
602 .pc_xdrressize = St,
603 },
604 [NLMPROC_LOCK_RES] = {
605 .pc_func = nlm4svc_proc_null,
606 .pc_decode = nlm4svc_decode_void,
607 .pc_encode = nlm4svc_encode_void,
608 .pc_argsize = sizeof(struct nlm_res),
609 .pc_ressize = sizeof(struct nlm_void),
610 .pc_xdrressize = St,
611 },
612 [NLMPROC_CANCEL_RES] = {
613 .pc_func = nlm4svc_proc_null,
614 .pc_decode = nlm4svc_decode_void,
615 .pc_encode = nlm4svc_encode_void,
616 .pc_argsize = sizeof(struct nlm_res),
617 .pc_ressize = sizeof(struct nlm_void),
618 .pc_xdrressize = St,
619 },
620 [NLMPROC_UNLOCK_RES] = {
621 .pc_func = nlm4svc_proc_null,
622 .pc_decode = nlm4svc_decode_void,
623 .pc_encode = nlm4svc_encode_void,
624 .pc_argsize = sizeof(struct nlm_res),
625 .pc_ressize = sizeof(struct nlm_void),
626 .pc_xdrressize = St,
627 },
628 [NLMPROC_GRANTED_RES] = {
629 .pc_func = nlm4svc_proc_granted_res,
630 .pc_decode = nlm4svc_decode_res,
631 .pc_encode = nlm4svc_encode_void,
632 .pc_argsize = sizeof(struct nlm_res),
633 .pc_ressize = sizeof(struct nlm_void),
634 .pc_xdrressize = St,
635 },
636 [NLMPROC_NSM_NOTIFY] = {
637 .pc_func = nlm4svc_proc_sm_notify,
638 .pc_decode = nlm4svc_decode_reboot,
639 .pc_encode = nlm4svc_encode_void,
640 .pc_argsize = sizeof(struct nlm_reboot),
641 .pc_ressize = sizeof(struct nlm_void),
642 .pc_xdrressize = St,
643 },
644 [17] = {
645 .pc_func = nlm4svc_proc_unused,
646 .pc_decode = nlm4svc_decode_void,
647 .pc_encode = nlm4svc_encode_void,
648 .pc_argsize = sizeof(struct nlm_void),
649 .pc_ressize = sizeof(struct nlm_void),
650 .pc_xdrressize = 0,
651 },
652 [18] = {
653 .pc_func = nlm4svc_proc_unused,
654 .pc_decode = nlm4svc_decode_void,
655 .pc_encode = nlm4svc_encode_void,
656 .pc_argsize = sizeof(struct nlm_void),
657 .pc_ressize = sizeof(struct nlm_void),
658 .pc_xdrressize = 0,
659 },
660 [19] = {
661 .pc_func = nlm4svc_proc_unused,
662 .pc_decode = nlm4svc_decode_void,
663 .pc_encode = nlm4svc_encode_void,
664 .pc_argsize = sizeof(struct nlm_void),
665 .pc_ressize = sizeof(struct nlm_void),
666 .pc_xdrressize = 0,
667 },
668 [NLMPROC_SHARE] = {
669 .pc_func = nlm4svc_proc_share,
670 .pc_decode = nlm4svc_decode_shareargs,
671 .pc_encode = nlm4svc_encode_shareres,
672 .pc_argsize = sizeof(struct nlm_args),
673 .pc_ressize = sizeof(struct nlm_res),
674 .pc_xdrressize = Ck+St+1,
675 },
676 [NLMPROC_UNSHARE] = {
677 .pc_func = nlm4svc_proc_unshare,
678 .pc_decode = nlm4svc_decode_shareargs,
679 .pc_encode = nlm4svc_encode_shareres,
680 .pc_argsize = sizeof(struct nlm_args),
681 .pc_ressize = sizeof(struct nlm_res),
682 .pc_xdrressize = Ck+St+1,
683 },
684 [NLMPROC_NM_LOCK] = {
685 .pc_func = nlm4svc_proc_nm_lock,
686 .pc_decode = nlm4svc_decode_lockargs,
687 .pc_encode = nlm4svc_encode_res,
688 .pc_argsize = sizeof(struct nlm_args),
689 .pc_ressize = sizeof(struct nlm_res),
690 .pc_xdrressize = Ck+St,
691 },
692 [NLMPROC_FREE_ALL] = {
693 .pc_func = nlm4svc_proc_free_all,
694 .pc_decode = nlm4svc_decode_notify,
695 .pc_encode = nlm4svc_encode_void,
696 .pc_argsize = sizeof(struct nlm_args),
697 .pc_ressize = sizeof(struct nlm_void),
698 .pc_xdrressize = St,
699 },
700 };
701