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 int mode;
59 __be32 error = 0;
60
61 /* nfsd callbacks must have been installed for this procedure */
62 if (!nlmsvc_ops)
63 return nlm_lck_denied_nolocks;
64
65 /* Obtain host handle */
66 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
67 || (argp->monitor && nsm_monitor(host) < 0))
68 goto no_locks;
69 *hostp = host;
70
71 /* Obtain file pointer. Not used by FREE_ALL call. */
72 if (filp != NULL) {
73 error = cast_status(nlm_lookup_file(rqstp, &file, lock));
74 if (error != 0)
75 goto no_locks;
76 *filp = file;
77
78 /* Set up the missing parts of the file_lock structure */
79 mode = lock_to_openmode(&lock->fl);
80 lock->fl.fl_file = file->f_file[mode];
81 lock->fl.fl_pid = current->tgid;
82 lock->fl.fl_lmops = &nlmsvc_lock_operations;
83 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
84 if (!lock->fl.fl_owner) {
85 /* lockowner allocation has failed */
86 nlmsvc_release_host(host);
87 return nlm_lck_denied_nolocks;
88 }
89 }
90
91 return 0;
92
93 no_locks:
94 nlmsvc_release_host(host);
95 if (error)
96 return error;
97 return nlm_lck_denied_nolocks;
98 }
99
100 /*
101 * NULL: Test for presence of service
102 */
103 static __be32
nlmsvc_proc_null(struct svc_rqst * rqstp)104 nlmsvc_proc_null(struct svc_rqst *rqstp)
105 {
106 dprintk("lockd: NULL called\n");
107 return rpc_success;
108 }
109
110 /*
111 * TEST: Check for conflicting lock
112 */
113 static __be32
__nlmsvc_proc_test(struct svc_rqst * rqstp,struct nlm_res * resp)114 __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
115 {
116 struct nlm_args *argp = rqstp->rq_argp;
117 struct nlm_host *host;
118 struct nlm_file *file;
119 struct nlm_lockowner *test_owner;
120 __be32 rc = rpc_success;
121
122 dprintk("lockd: TEST called\n");
123 resp->cookie = argp->cookie;
124
125 /* Obtain client and file */
126 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
127 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
128
129 test_owner = argp->lock.fl.fl_owner;
130
131 /* Now check for conflicting locks */
132 resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
133 if (resp->status == nlm_drop_reply)
134 rc = rpc_drop_reply;
135 else
136 dprintk("lockd: TEST status %d vers %d\n",
137 ntohl(resp->status), rqstp->rq_vers);
138
139 nlmsvc_put_lockowner(test_owner);
140 nlmsvc_release_host(host);
141 nlm_release_file(file);
142 return rc;
143 }
144
145 static __be32
nlmsvc_proc_test(struct svc_rqst * rqstp)146 nlmsvc_proc_test(struct svc_rqst *rqstp)
147 {
148 return __nlmsvc_proc_test(rqstp, rqstp->rq_resp);
149 }
150
151 static __be32
__nlmsvc_proc_lock(struct svc_rqst * rqstp,struct nlm_res * resp)152 __nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
153 {
154 struct nlm_args *argp = rqstp->rq_argp;
155 struct nlm_host *host;
156 struct nlm_file *file;
157 __be32 rc = rpc_success;
158
159 dprintk("lockd: LOCK called\n");
160
161 resp->cookie = argp->cookie;
162
163 /* Obtain client and file */
164 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
165 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
166
167 #if 0
168 /* If supplied state doesn't match current state, we assume it's
169 * an old request that time-warped somehow. Any error return would
170 * do in this case because it's irrelevant anyway.
171 *
172 * NB: We don't retrieve the remote host's state yet.
173 */
174 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
175 resp->status = nlm_lck_denied_nolocks;
176 } else
177 #endif
178
179 /* Now try to lock the file */
180 resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,
181 argp->block, &argp->cookie,
182 argp->reclaim));
183 if (resp->status == nlm_drop_reply)
184 rc = rpc_drop_reply;
185 else
186 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
187
188 nlmsvc_release_lockowner(&argp->lock);
189 nlmsvc_release_host(host);
190 nlm_release_file(file);
191 return rc;
192 }
193
194 static __be32
nlmsvc_proc_lock(struct svc_rqst * rqstp)195 nlmsvc_proc_lock(struct svc_rqst *rqstp)
196 {
197 return __nlmsvc_proc_lock(rqstp, rqstp->rq_resp);
198 }
199
200 static __be32
__nlmsvc_proc_cancel(struct svc_rqst * rqstp,struct nlm_res * resp)201 __nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp)
202 {
203 struct nlm_args *argp = rqstp->rq_argp;
204 struct nlm_host *host;
205 struct nlm_file *file;
206 struct net *net = SVC_NET(rqstp);
207
208 dprintk("lockd: CANCEL called\n");
209
210 resp->cookie = argp->cookie;
211
212 /* Don't accept requests during grace period */
213 if (locks_in_grace(net)) {
214 resp->status = nlm_lck_denied_grace_period;
215 return rpc_success;
216 }
217
218 /* Obtain client and file */
219 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
220 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
221
222 /* Try to cancel request. */
223 resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock));
224
225 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
226 nlmsvc_release_lockowner(&argp->lock);
227 nlmsvc_release_host(host);
228 nlm_release_file(file);
229 return rpc_success;
230 }
231
232 static __be32
nlmsvc_proc_cancel(struct svc_rqst * rqstp)233 nlmsvc_proc_cancel(struct svc_rqst *rqstp)
234 {
235 return __nlmsvc_proc_cancel(rqstp, rqstp->rq_resp);
236 }
237
238 /*
239 * UNLOCK: release a lock
240 */
241 static __be32
__nlmsvc_proc_unlock(struct svc_rqst * rqstp,struct nlm_res * resp)242 __nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp)
243 {
244 struct nlm_args *argp = rqstp->rq_argp;
245 struct nlm_host *host;
246 struct nlm_file *file;
247 struct net *net = SVC_NET(rqstp);
248
249 dprintk("lockd: UNLOCK called\n");
250
251 resp->cookie = argp->cookie;
252
253 /* Don't accept new lock requests during grace period */
254 if (locks_in_grace(net)) {
255 resp->status = nlm_lck_denied_grace_period;
256 return rpc_success;
257 }
258
259 /* Obtain client and file */
260 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
261 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
262
263 /* Now try to remove the lock */
264 resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock));
265
266 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
267 nlmsvc_release_lockowner(&argp->lock);
268 nlmsvc_release_host(host);
269 nlm_release_file(file);
270 return rpc_success;
271 }
272
273 static __be32
nlmsvc_proc_unlock(struct svc_rqst * rqstp)274 nlmsvc_proc_unlock(struct svc_rqst *rqstp)
275 {
276 return __nlmsvc_proc_unlock(rqstp, rqstp->rq_resp);
277 }
278
279 /*
280 * GRANTED: A server calls us to tell that a process' lock request
281 * was granted
282 */
283 static __be32
__nlmsvc_proc_granted(struct svc_rqst * rqstp,struct nlm_res * resp)284 __nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp)
285 {
286 struct nlm_args *argp = rqstp->rq_argp;
287
288 resp->cookie = argp->cookie;
289
290 dprintk("lockd: GRANTED called\n");
291 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
292 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
293 return rpc_success;
294 }
295
296 static __be32
nlmsvc_proc_granted(struct svc_rqst * rqstp)297 nlmsvc_proc_granted(struct svc_rqst *rqstp)
298 {
299 return __nlmsvc_proc_granted(rqstp, rqstp->rq_resp);
300 }
301
302 /*
303 * This is the generic lockd callback for async RPC calls
304 */
nlmsvc_callback_exit(struct rpc_task * task,void * data)305 static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
306 {
307 }
308
nlmsvc_release_call(struct nlm_rqst * call)309 void nlmsvc_release_call(struct nlm_rqst *call)
310 {
311 if (!refcount_dec_and_test(&call->a_count))
312 return;
313 nlmsvc_release_host(call->a_host);
314 kfree(call);
315 }
316
nlmsvc_callback_release(void * data)317 static void nlmsvc_callback_release(void *data)
318 {
319 nlmsvc_release_call(data);
320 }
321
322 static const struct rpc_call_ops nlmsvc_callback_ops = {
323 .rpc_call_done = nlmsvc_callback_exit,
324 .rpc_release = nlmsvc_callback_release,
325 };
326
327 /*
328 * `Async' versions of the above service routines. They aren't really,
329 * because we send the callback before the reply proper. I hope this
330 * doesn't break any clients.
331 */
nlmsvc_callback(struct svc_rqst * rqstp,u32 proc,__be32 (* func)(struct svc_rqst *,struct nlm_res *))332 static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc,
333 __be32 (*func)(struct svc_rqst *, struct nlm_res *))
334 {
335 struct nlm_args *argp = rqstp->rq_argp;
336 struct nlm_host *host;
337 struct nlm_rqst *call;
338 __be32 stat;
339
340 host = nlmsvc_lookup_host(rqstp,
341 argp->lock.caller,
342 argp->lock.len);
343 if (host == NULL)
344 return rpc_system_err;
345
346 call = nlm_alloc_call(host);
347 nlmsvc_release_host(host);
348 if (call == NULL)
349 return rpc_system_err;
350
351 stat = func(rqstp, &call->a_res);
352 if (stat != 0) {
353 nlmsvc_release_call(call);
354 return stat;
355 }
356
357 call->a_flags = RPC_TASK_ASYNC;
358 if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
359 return rpc_system_err;
360 return rpc_success;
361 }
362
nlmsvc_proc_test_msg(struct svc_rqst * rqstp)363 static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp)
364 {
365 dprintk("lockd: TEST_MSG called\n");
366 return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, __nlmsvc_proc_test);
367 }
368
nlmsvc_proc_lock_msg(struct svc_rqst * rqstp)369 static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp)
370 {
371 dprintk("lockd: LOCK_MSG called\n");
372 return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, __nlmsvc_proc_lock);
373 }
374
nlmsvc_proc_cancel_msg(struct svc_rqst * rqstp)375 static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp)
376 {
377 dprintk("lockd: CANCEL_MSG called\n");
378 return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, __nlmsvc_proc_cancel);
379 }
380
381 static __be32
nlmsvc_proc_unlock_msg(struct svc_rqst * rqstp)382 nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp)
383 {
384 dprintk("lockd: UNLOCK_MSG called\n");
385 return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlmsvc_proc_unlock);
386 }
387
388 static __be32
nlmsvc_proc_granted_msg(struct svc_rqst * rqstp)389 nlmsvc_proc_granted_msg(struct svc_rqst *rqstp)
390 {
391 dprintk("lockd: GRANTED_MSG called\n");
392 return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, __nlmsvc_proc_granted);
393 }
394
395 /*
396 * SHARE: create a DOS share or alter existing share.
397 */
398 static __be32
nlmsvc_proc_share(struct svc_rqst * rqstp)399 nlmsvc_proc_share(struct svc_rqst *rqstp)
400 {
401 struct nlm_args *argp = rqstp->rq_argp;
402 struct nlm_res *resp = rqstp->rq_resp;
403 struct nlm_host *host;
404 struct nlm_file *file;
405
406 dprintk("lockd: SHARE called\n");
407
408 resp->cookie = argp->cookie;
409
410 /* Don't accept new lock requests during grace period */
411 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) {
412 resp->status = nlm_lck_denied_grace_period;
413 return rpc_success;
414 }
415
416 /* Obtain client and file */
417 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
418 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
419
420 /* Now try to create the share */
421 resp->status = cast_status(nlmsvc_share_file(host, file, argp));
422
423 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
424 nlmsvc_release_lockowner(&argp->lock);
425 nlmsvc_release_host(host);
426 nlm_release_file(file);
427 return rpc_success;
428 }
429
430 /*
431 * UNSHARE: Release a DOS share.
432 */
433 static __be32
nlmsvc_proc_unshare(struct svc_rqst * rqstp)434 nlmsvc_proc_unshare(struct svc_rqst *rqstp)
435 {
436 struct nlm_args *argp = rqstp->rq_argp;
437 struct nlm_res *resp = rqstp->rq_resp;
438 struct nlm_host *host;
439 struct nlm_file *file;
440
441 dprintk("lockd: UNSHARE called\n");
442
443 resp->cookie = argp->cookie;
444
445 /* Don't accept requests during grace period */
446 if (locks_in_grace(SVC_NET(rqstp))) {
447 resp->status = nlm_lck_denied_grace_period;
448 return rpc_success;
449 }
450
451 /* Obtain client and file */
452 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
453 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
454
455 /* Now try to unshare the file */
456 resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
457
458 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
459 nlmsvc_release_lockowner(&argp->lock);
460 nlmsvc_release_host(host);
461 nlm_release_file(file);
462 return rpc_success;
463 }
464
465 /*
466 * NM_LOCK: Create an unmonitored lock
467 */
468 static __be32
nlmsvc_proc_nm_lock(struct svc_rqst * rqstp)469 nlmsvc_proc_nm_lock(struct svc_rqst *rqstp)
470 {
471 struct nlm_args *argp = rqstp->rq_argp;
472
473 dprintk("lockd: NM_LOCK called\n");
474
475 argp->monitor = 0; /* just clean the monitor flag */
476 return nlmsvc_proc_lock(rqstp);
477 }
478
479 /*
480 * FREE_ALL: Release all locks and shares held by client
481 */
482 static __be32
nlmsvc_proc_free_all(struct svc_rqst * rqstp)483 nlmsvc_proc_free_all(struct svc_rqst *rqstp)
484 {
485 struct nlm_args *argp = rqstp->rq_argp;
486 struct nlm_host *host;
487
488 /* Obtain client */
489 if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
490 return rpc_success;
491
492 nlmsvc_free_host_resources(host);
493 nlmsvc_release_host(host);
494 return rpc_success;
495 }
496
497 /*
498 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
499 */
500 static __be32
nlmsvc_proc_sm_notify(struct svc_rqst * rqstp)501 nlmsvc_proc_sm_notify(struct svc_rqst *rqstp)
502 {
503 struct nlm_reboot *argp = rqstp->rq_argp;
504
505 dprintk("lockd: SM_NOTIFY called\n");
506
507 if (!nlm_privileged_requester(rqstp)) {
508 char buf[RPC_MAX_ADDRBUFLEN];
509 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
510 svc_print_addr(rqstp, buf, sizeof(buf)));
511 return rpc_system_err;
512 }
513
514 nlm_host_rebooted(SVC_NET(rqstp), argp);
515 return rpc_success;
516 }
517
518 /*
519 * client sent a GRANTED_RES, let's remove the associated block
520 */
521 static __be32
nlmsvc_proc_granted_res(struct svc_rqst * rqstp)522 nlmsvc_proc_granted_res(struct svc_rqst *rqstp)
523 {
524 struct nlm_res *argp = rqstp->rq_argp;
525
526 if (!nlmsvc_ops)
527 return rpc_success;
528
529 dprintk("lockd: GRANTED_RES called\n");
530
531 nlmsvc_grant_reply(&argp->cookie, argp->status);
532 return rpc_success;
533 }
534
535 static __be32
nlmsvc_proc_unused(struct svc_rqst * rqstp)536 nlmsvc_proc_unused(struct svc_rqst *rqstp)
537 {
538 return rpc_proc_unavail;
539 }
540
541 /*
542 * NLM Server procedures.
543 */
544
545 struct nlm_void { int dummy; };
546
547 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
548 #define St 1 /* status */
549 #define No (1+1024/4) /* Net Obj */
550 #define Rg 2 /* range - offset + size */
551
552 const struct svc_procedure nlmsvc_procedures[24] = {
553 [NLMPROC_NULL] = {
554 .pc_func = nlmsvc_proc_null,
555 .pc_decode = nlmsvc_decode_void,
556 .pc_encode = nlmsvc_encode_void,
557 .pc_argsize = sizeof(struct nlm_void),
558 .pc_argzero = sizeof(struct nlm_void),
559 .pc_ressize = sizeof(struct nlm_void),
560 .pc_xdrressize = St,
561 .pc_name = "NULL",
562 },
563 [NLMPROC_TEST] = {
564 .pc_func = nlmsvc_proc_test,
565 .pc_decode = nlmsvc_decode_testargs,
566 .pc_encode = nlmsvc_encode_testres,
567 .pc_argsize = sizeof(struct nlm_args),
568 .pc_argzero = sizeof(struct nlm_args),
569 .pc_ressize = sizeof(struct nlm_res),
570 .pc_xdrressize = Ck+St+2+No+Rg,
571 .pc_name = "TEST",
572 },
573 [NLMPROC_LOCK] = {
574 .pc_func = nlmsvc_proc_lock,
575 .pc_decode = nlmsvc_decode_lockargs,
576 .pc_encode = nlmsvc_encode_res,
577 .pc_argsize = sizeof(struct nlm_args),
578 .pc_argzero = sizeof(struct nlm_args),
579 .pc_ressize = sizeof(struct nlm_res),
580 .pc_xdrressize = Ck+St,
581 .pc_name = "LOCK",
582 },
583 [NLMPROC_CANCEL] = {
584 .pc_func = nlmsvc_proc_cancel,
585 .pc_decode = nlmsvc_decode_cancargs,
586 .pc_encode = nlmsvc_encode_res,
587 .pc_argsize = sizeof(struct nlm_args),
588 .pc_argzero = sizeof(struct nlm_args),
589 .pc_ressize = sizeof(struct nlm_res),
590 .pc_xdrressize = Ck+St,
591 .pc_name = "CANCEL",
592 },
593 [NLMPROC_UNLOCK] = {
594 .pc_func = nlmsvc_proc_unlock,
595 .pc_decode = nlmsvc_decode_unlockargs,
596 .pc_encode = nlmsvc_encode_res,
597 .pc_argsize = sizeof(struct nlm_args),
598 .pc_argzero = sizeof(struct nlm_args),
599 .pc_ressize = sizeof(struct nlm_res),
600 .pc_xdrressize = Ck+St,
601 .pc_name = "UNLOCK",
602 },
603 [NLMPROC_GRANTED] = {
604 .pc_func = nlmsvc_proc_granted,
605 .pc_decode = nlmsvc_decode_testargs,
606 .pc_encode = nlmsvc_encode_res,
607 .pc_argsize = sizeof(struct nlm_args),
608 .pc_argzero = sizeof(struct nlm_args),
609 .pc_ressize = sizeof(struct nlm_res),
610 .pc_xdrressize = Ck+St,
611 .pc_name = "GRANTED",
612 },
613 [NLMPROC_TEST_MSG] = {
614 .pc_func = nlmsvc_proc_test_msg,
615 .pc_decode = nlmsvc_decode_testargs,
616 .pc_encode = nlmsvc_encode_void,
617 .pc_argsize = sizeof(struct nlm_args),
618 .pc_argzero = sizeof(struct nlm_args),
619 .pc_ressize = sizeof(struct nlm_void),
620 .pc_xdrressize = St,
621 .pc_name = "TEST_MSG",
622 },
623 [NLMPROC_LOCK_MSG] = {
624 .pc_func = nlmsvc_proc_lock_msg,
625 .pc_decode = nlmsvc_decode_lockargs,
626 .pc_encode = nlmsvc_encode_void,
627 .pc_argsize = sizeof(struct nlm_args),
628 .pc_argzero = sizeof(struct nlm_args),
629 .pc_ressize = sizeof(struct nlm_void),
630 .pc_xdrressize = St,
631 .pc_name = "LOCK_MSG",
632 },
633 [NLMPROC_CANCEL_MSG] = {
634 .pc_func = nlmsvc_proc_cancel_msg,
635 .pc_decode = nlmsvc_decode_cancargs,
636 .pc_encode = nlmsvc_encode_void,
637 .pc_argsize = sizeof(struct nlm_args),
638 .pc_argzero = sizeof(struct nlm_args),
639 .pc_ressize = sizeof(struct nlm_void),
640 .pc_xdrressize = St,
641 .pc_name = "CANCEL_MSG",
642 },
643 [NLMPROC_UNLOCK_MSG] = {
644 .pc_func = nlmsvc_proc_unlock_msg,
645 .pc_decode = nlmsvc_decode_unlockargs,
646 .pc_encode = nlmsvc_encode_void,
647 .pc_argsize = sizeof(struct nlm_args),
648 .pc_argzero = sizeof(struct nlm_args),
649 .pc_ressize = sizeof(struct nlm_void),
650 .pc_xdrressize = St,
651 .pc_name = "UNLOCK_MSG",
652 },
653 [NLMPROC_GRANTED_MSG] = {
654 .pc_func = nlmsvc_proc_granted_msg,
655 .pc_decode = nlmsvc_decode_testargs,
656 .pc_encode = nlmsvc_encode_void,
657 .pc_argsize = sizeof(struct nlm_args),
658 .pc_argzero = sizeof(struct nlm_args),
659 .pc_ressize = sizeof(struct nlm_void),
660 .pc_xdrressize = St,
661 .pc_name = "GRANTED_MSG",
662 },
663 [NLMPROC_TEST_RES] = {
664 .pc_func = nlmsvc_proc_null,
665 .pc_decode = nlmsvc_decode_void,
666 .pc_encode = nlmsvc_encode_void,
667 .pc_argsize = sizeof(struct nlm_res),
668 .pc_argzero = sizeof(struct nlm_res),
669 .pc_ressize = sizeof(struct nlm_void),
670 .pc_xdrressize = St,
671 .pc_name = "TEST_RES",
672 },
673 [NLMPROC_LOCK_RES] = {
674 .pc_func = nlmsvc_proc_null,
675 .pc_decode = nlmsvc_decode_void,
676 .pc_encode = nlmsvc_encode_void,
677 .pc_argsize = sizeof(struct nlm_res),
678 .pc_argzero = sizeof(struct nlm_res),
679 .pc_ressize = sizeof(struct nlm_void),
680 .pc_xdrressize = St,
681 .pc_name = "LOCK_RES",
682 },
683 [NLMPROC_CANCEL_RES] = {
684 .pc_func = nlmsvc_proc_null,
685 .pc_decode = nlmsvc_decode_void,
686 .pc_encode = nlmsvc_encode_void,
687 .pc_argsize = sizeof(struct nlm_res),
688 .pc_argzero = sizeof(struct nlm_res),
689 .pc_ressize = sizeof(struct nlm_void),
690 .pc_xdrressize = St,
691 .pc_name = "CANCEL_RES",
692 },
693 [NLMPROC_UNLOCK_RES] = {
694 .pc_func = nlmsvc_proc_null,
695 .pc_decode = nlmsvc_decode_void,
696 .pc_encode = nlmsvc_encode_void,
697 .pc_argsize = sizeof(struct nlm_res),
698 .pc_argzero = sizeof(struct nlm_res),
699 .pc_ressize = sizeof(struct nlm_void),
700 .pc_xdrressize = St,
701 .pc_name = "UNLOCK_RES",
702 },
703 [NLMPROC_GRANTED_RES] = {
704 .pc_func = nlmsvc_proc_granted_res,
705 .pc_decode = nlmsvc_decode_res,
706 .pc_encode = nlmsvc_encode_void,
707 .pc_argsize = sizeof(struct nlm_res),
708 .pc_argzero = sizeof(struct nlm_res),
709 .pc_ressize = sizeof(struct nlm_void),
710 .pc_xdrressize = St,
711 .pc_name = "GRANTED_RES",
712 },
713 [NLMPROC_NSM_NOTIFY] = {
714 .pc_func = nlmsvc_proc_sm_notify,
715 .pc_decode = nlmsvc_decode_reboot,
716 .pc_encode = nlmsvc_encode_void,
717 .pc_argsize = sizeof(struct nlm_reboot),
718 .pc_argzero = sizeof(struct nlm_reboot),
719 .pc_ressize = sizeof(struct nlm_void),
720 .pc_xdrressize = St,
721 .pc_name = "SM_NOTIFY",
722 },
723 [17] = {
724 .pc_func = nlmsvc_proc_unused,
725 .pc_decode = nlmsvc_decode_void,
726 .pc_encode = nlmsvc_encode_void,
727 .pc_argsize = sizeof(struct nlm_void),
728 .pc_argzero = sizeof(struct nlm_void),
729 .pc_ressize = sizeof(struct nlm_void),
730 .pc_xdrressize = St,
731 .pc_name = "UNUSED",
732 },
733 [18] = {
734 .pc_func = nlmsvc_proc_unused,
735 .pc_decode = nlmsvc_decode_void,
736 .pc_encode = nlmsvc_encode_void,
737 .pc_argsize = sizeof(struct nlm_void),
738 .pc_argzero = sizeof(struct nlm_void),
739 .pc_ressize = sizeof(struct nlm_void),
740 .pc_xdrressize = St,
741 .pc_name = "UNUSED",
742 },
743 [19] = {
744 .pc_func = nlmsvc_proc_unused,
745 .pc_decode = nlmsvc_decode_void,
746 .pc_encode = nlmsvc_encode_void,
747 .pc_argsize = sizeof(struct nlm_void),
748 .pc_argzero = sizeof(struct nlm_void),
749 .pc_ressize = sizeof(struct nlm_void),
750 .pc_xdrressize = St,
751 .pc_name = "UNUSED",
752 },
753 [NLMPROC_SHARE] = {
754 .pc_func = nlmsvc_proc_share,
755 .pc_decode = nlmsvc_decode_shareargs,
756 .pc_encode = nlmsvc_encode_shareres,
757 .pc_argsize = sizeof(struct nlm_args),
758 .pc_argzero = sizeof(struct nlm_args),
759 .pc_ressize = sizeof(struct nlm_res),
760 .pc_xdrressize = Ck+St+1,
761 .pc_name = "SHARE",
762 },
763 [NLMPROC_UNSHARE] = {
764 .pc_func = nlmsvc_proc_unshare,
765 .pc_decode = nlmsvc_decode_shareargs,
766 .pc_encode = nlmsvc_encode_shareres,
767 .pc_argsize = sizeof(struct nlm_args),
768 .pc_argzero = sizeof(struct nlm_args),
769 .pc_ressize = sizeof(struct nlm_res),
770 .pc_xdrressize = Ck+St+1,
771 .pc_name = "UNSHARE",
772 },
773 [NLMPROC_NM_LOCK] = {
774 .pc_func = nlmsvc_proc_nm_lock,
775 .pc_decode = nlmsvc_decode_lockargs,
776 .pc_encode = nlmsvc_encode_res,
777 .pc_argsize = sizeof(struct nlm_args),
778 .pc_argzero = sizeof(struct nlm_args),
779 .pc_ressize = sizeof(struct nlm_res),
780 .pc_xdrressize = Ck+St,
781 .pc_name = "NM_LOCK",
782 },
783 [NLMPROC_FREE_ALL] = {
784 .pc_func = nlmsvc_proc_free_all,
785 .pc_decode = nlmsvc_decode_notify,
786 .pc_encode = nlmsvc_encode_void,
787 .pc_argsize = sizeof(struct nlm_args),
788 .pc_argzero = sizeof(struct nlm_args),
789 .pc_ressize = sizeof(struct nlm_void),
790 .pc_xdrressize = 0,
791 .pc_name = "FREE_ALL",
792 },
793 };
794