blob: 385437e3387de895fde1540f58c7d3269a842373 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/fs/lockd/svc4proc.c
3 *
4 * Lockd server procedures. We don't implement the NLM_*_RES
5 * procedures because we don't use the async procedures.
6 *
7 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
8 */
9
10#include <linux/types.h>
11#include <linux/time.h>
12#include <linux/slab.h>
13#include <linux/in.h>
14#include <linux/sunrpc/svc.h>
15#include <linux/sunrpc/clnt.h>
16#include <linux/nfsd/nfsd.h>
17#include <linux/lockd/lockd.h>
18#include <linux/lockd/share.h>
19#include <linux/lockd/sm_inter.h>
20
21
22#define NLMDBG_FACILITY NLMDBG_CLIENT
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024/*
25 * Obtain client and file from arguments
26 */
Al Viro52921e02006-10-19 23:28:46 -070027static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070028nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
29 struct nlm_host **hostp, struct nlm_file **filp)
30{
31 struct nlm_host *host = NULL;
32 struct nlm_file *file = NULL;
33 struct nlm_lock *lock = &argp->lock;
Al Viro52921e02006-10-19 23:28:46 -070034 __be32 error = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
36 /* nfsd callbacks must have been installed for this procedure */
37 if (!nlmsvc_ops)
38 return nlm_lck_denied_nolocks;
39
40 /* Obtain host handle */
Olaf Kirchdb4e4c92006-10-04 02:15:52 -070041 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
Olaf Kirch977faf32006-10-04 02:15:51 -070042 || (argp->monitor && nsm_monitor(host) < 0))
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 goto no_locks;
44 *hostp = host;
45
46 /* Obtain file pointer. Not used by FREE_ALL call. */
47 if (filp != NULL) {
48 if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
49 goto no_locks;
50 *filp = file;
51
52 /* Set up the missing parts of the file_lock structure */
53 lock->fl.fl_file = file->f_file;
54 lock->fl.fl_owner = (fl_owner_t) host;
55 lock->fl.fl_lmops = &nlmsvc_lock_operations;
56 }
57
58 return 0;
59
60no_locks:
61 if (host)
62 nlm_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 */
Al Viro7111c662006-10-19 23:28:45 -070071static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070072nlm4svc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
73{
74 dprintk("lockd: NULL called\n");
75 return rpc_success;
76}
77
78/*
79 * TEST: Check for conflicting lock
80 */
Al Viro7111c662006-10-19 23:28:45 -070081static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070082nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
83 struct nlm_res *resp)
84{
85 struct nlm_host *host;
86 struct nlm_file *file;
Oleg Drokinb7e6b862007-11-26 13:35:11 -050087 int rc = rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
89 dprintk("lockd: TEST4 called\n");
90 resp->cookie = argp->cookie;
91
92 /* Don't accept test requests during grace period */
93 if (nlmsvc_grace_period) {
94 resp->status = nlm_lck_denied_grace_period;
Oleg Drokinb7e6b862007-11-26 13:35:11 -050095 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 }
97
98 /* Obtain client and file */
99 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700100 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101
102 /* Now check for conflicting locks */
Marc Eshel85f3f1b32006-11-28 16:27:06 -0500103 resp->status = nlmsvc_testlock(rqstp, file, &argp->lock, &resp->lock, &resp->cookie);
Marc Eshel5ea0d752006-11-28 16:27:06 -0500104 if (resp->status == nlm_drop_reply)
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500105 rc = rpc_drop_reply;
106 else
107 dprintk("lockd: TEST4 status %d\n", ntohl(resp->status));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 nlm_release_host(host);
110 nlm_release_file(file);
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500111 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112}
113
Al Viro7111c662006-10-19 23:28:45 -0700114static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
116 struct nlm_res *resp)
117{
118 struct nlm_host *host;
119 struct nlm_file *file;
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500120 int rc = rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
122 dprintk("lockd: LOCK called\n");
123
124 resp->cookie = argp->cookie;
125
126 /* Don't accept new lock requests during grace period */
127 if (nlmsvc_grace_period && !argp->reclaim) {
128 resp->status = nlm_lck_denied_grace_period;
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500129 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 }
131
132 /* Obtain client and file */
133 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700134 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135
136#if 0
137 /* If supplied state doesn't match current state, we assume it's
138 * an old request that time-warped somehow. Any error return would
139 * do in this case because it's irrelevant anyway.
140 *
141 * NB: We don't retrieve the remote host's state yet.
142 */
143 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
144 resp->status = nlm_lck_denied_nolocks;
145 } else
146#endif
147
148 /* Now try to lock the file */
149 resp->status = nlmsvc_lock(rqstp, file, &argp->lock,
150 argp->block, &argp->cookie);
Marc Eshel1a8322b2006-11-28 16:27:06 -0500151 if (resp->status == nlm_drop_reply)
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500152 rc = rpc_drop_reply;
153 else
154 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 nlm_release_host(host);
157 nlm_release_file(file);
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500158 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159}
160
Al Viro7111c662006-10-19 23:28:45 -0700161static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
163 struct nlm_res *resp)
164{
165 struct nlm_host *host;
166 struct nlm_file *file;
167
168 dprintk("lockd: CANCEL called\n");
169
170 resp->cookie = argp->cookie;
171
172 /* Don't accept requests during grace period */
173 if (nlmsvc_grace_period) {
174 resp->status = nlm_lck_denied_grace_period;
175 return rpc_success;
176 }
177
178 /* Obtain client and file */
179 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700180 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181
182 /* Try to cancel request. */
183 resp->status = nlmsvc_cancel_blocked(file, &argp->lock);
184
185 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
186 nlm_release_host(host);
187 nlm_release_file(file);
188 return rpc_success;
189}
190
191/*
192 * UNLOCK: release a lock
193 */
Al Viro7111c662006-10-19 23:28:45 -0700194static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
196 struct nlm_res *resp)
197{
198 struct nlm_host *host;
199 struct nlm_file *file;
200
201 dprintk("lockd: UNLOCK called\n");
202
203 resp->cookie = argp->cookie;
204
205 /* Don't accept new lock requests during grace period */
206 if (nlmsvc_grace_period) {
207 resp->status = nlm_lck_denied_grace_period;
208 return rpc_success;
209 }
210
211 /* Obtain client and file */
212 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700213 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
215 /* Now try to remove the lock */
216 resp->status = nlmsvc_unlock(file, &argp->lock);
217
218 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
219 nlm_release_host(host);
220 nlm_release_file(file);
221 return rpc_success;
222}
223
224/*
225 * GRANTED: A server calls us to tell that a process' lock request
226 * was granted
227 */
Al Viro7111c662006-10-19 23:28:45 -0700228static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
230 struct nlm_res *resp)
231{
232 resp->cookie = argp->cookie;
233
234 dprintk("lockd: GRANTED called\n");
Chuck Lever27459f02007-02-12 00:53:34 -0800235 resp->status = nlmclnt_grant(svc_addr_in(rqstp), &argp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
237 return rpc_success;
238}
239
240/*
Trond Myklebustd4716622006-03-20 13:44:45 -0500241 * This is the generic lockd callback for async RPC calls
242 */
243static void nlm4svc_callback_exit(struct rpc_task *task, void *data)
244{
Chuck Leverc041b5f2006-12-05 16:36:03 -0500245 dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
Trond Myklebustd4716622006-03-20 13:44:45 -0500246 -task->tk_status);
247}
248
249static void nlm4svc_callback_release(void *data)
250{
251 nlm_release_call(data);
252}
253
254static const struct rpc_call_ops nlm4svc_callback_ops = {
255 .rpc_call_done = nlm4svc_callback_exit,
256 .rpc_release = nlm4svc_callback_release,
257};
258
259/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260 * `Async' versions of the above service routines. They aren't really,
261 * because we send the callback before the reply proper. I hope this
262 * doesn't break any clients.
263 */
Al Viro7111c662006-10-19 23:28:45 -0700264static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
265 __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
Trond Myklebustd4716622006-03-20 13:44:45 -0500266{
267 struct nlm_host *host;
268 struct nlm_rqst *call;
Al Viro7111c662006-10-19 23:28:45 -0700269 __be32 stat;
Trond Myklebustd4716622006-03-20 13:44:45 -0500270
Olaf Kirchdb4e4c92006-10-04 02:15:52 -0700271 host = nlmsvc_lookup_host(rqstp,
272 argp->lock.caller,
273 argp->lock.len);
Trond Myklebustd4716622006-03-20 13:44:45 -0500274 if (host == NULL)
275 return rpc_system_err;
276
277 call = nlm_alloc_call(host);
278 if (call == NULL)
279 return rpc_system_err;
280
281 stat = func(rqstp, argp, &call->a_res);
282 if (stat != 0) {
283 nlm_release_call(call);
284 return stat;
285 }
286
287 call->a_flags = RPC_TASK_ASYNC;
288 if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0)
289 return rpc_system_err;
290 return rpc_success;
291}
292
Al Viro7111c662006-10-19 23:28:45 -0700293static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 void *resp)
295{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 dprintk("lockd: TEST_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500297 return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, argp, nlm4svc_proc_test);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298}
299
Al Viro7111c662006-10-19 23:28:45 -0700300static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301 void *resp)
302{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303 dprintk("lockd: LOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500304 return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlm4svc_proc_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305}
306
Al Viro7111c662006-10-19 23:28:45 -0700307static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 void *resp)
309{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 dprintk("lockd: CANCEL_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500311 return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlm4svc_proc_cancel);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312}
313
Al Viro7111c662006-10-19 23:28:45 -0700314static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 void *resp)
316{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317 dprintk("lockd: UNLOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500318 return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlm4svc_proc_unlock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319}
320
Al Viro7111c662006-10-19 23:28:45 -0700321static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322 void *resp)
323{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324 dprintk("lockd: GRANTED_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500325 return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlm4svc_proc_granted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326}
327
328/*
329 * SHARE: create a DOS share or alter existing share.
330 */
Al Viro7111c662006-10-19 23:28:45 -0700331static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332nlm4svc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
333 struct nlm_res *resp)
334{
335 struct nlm_host *host;
336 struct nlm_file *file;
337
338 dprintk("lockd: SHARE called\n");
339
340 resp->cookie = argp->cookie;
341
342 /* Don't accept new lock requests during grace period */
343 if (nlmsvc_grace_period && !argp->reclaim) {
344 resp->status = nlm_lck_denied_grace_period;
345 return rpc_success;
346 }
347
348 /* Obtain client and file */
349 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700350 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351
352 /* Now try to create the share */
353 resp->status = nlmsvc_share_file(host, file, argp);
354
355 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
356 nlm_release_host(host);
357 nlm_release_file(file);
358 return rpc_success;
359}
360
361/*
362 * UNSHARE: Release a DOS share.
363 */
Al Viro7111c662006-10-19 23:28:45 -0700364static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365nlm4svc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
366 struct nlm_res *resp)
367{
368 struct nlm_host *host;
369 struct nlm_file *file;
370
371 dprintk("lockd: UNSHARE called\n");
372
373 resp->cookie = argp->cookie;
374
375 /* Don't accept requests during grace period */
376 if (nlmsvc_grace_period) {
377 resp->status = nlm_lck_denied_grace_period;
378 return rpc_success;
379 }
380
381 /* Obtain client and file */
382 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700383 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384
385 /* Now try to lock the file */
386 resp->status = nlmsvc_unshare_file(host, file, argp);
387
388 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
389 nlm_release_host(host);
390 nlm_release_file(file);
391 return rpc_success;
392}
393
394/*
395 * NM_LOCK: Create an unmonitored lock
396 */
Al Viro7111c662006-10-19 23:28:45 -0700397static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398nlm4svc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
399 struct nlm_res *resp)
400{
401 dprintk("lockd: NM_LOCK called\n");
402
403 argp->monitor = 0; /* just clean the monitor flag */
404 return nlm4svc_proc_lock(rqstp, argp, resp);
405}
406
407/*
408 * FREE_ALL: Release all locks and shares held by client
409 */
Al Viro7111c662006-10-19 23:28:45 -0700410static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411nlm4svc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
412 void *resp)
413{
414 struct nlm_host *host;
415
416 /* Obtain client */
417 if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL))
418 return rpc_success;
419
420 nlmsvc_free_host_resources(host);
421 nlm_release_host(host);
422 return rpc_success;
423}
424
425/*
426 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
427 */
Al Viro7111c662006-10-19 23:28:45 -0700428static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429nlm4svc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
430 void *resp)
431{
Chuck Lever27459f02007-02-12 00:53:34 -0800432 struct sockaddr_in saddr;
433
434 memcpy(&saddr, svc_addr_in(rqstp), sizeof(saddr));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435
436 dprintk("lockd: SM_NOTIFY called\n");
437 if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
438 || ntohs(saddr.sin_port) >= 1024) {
Chuck Leverad06e4b2007-02-12 00:53:32 -0800439 char buf[RPC_MAX_ADDRBUFLEN];
440 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
441 svc_print_addr(rqstp, buf, sizeof(buf)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700442 return rpc_system_err;
443 }
444
445 /* Obtain the host pointer for this NFS server and try to
446 * reclaim all locks we hold on this server.
447 */
Olaf Kirchcf712c22006-10-04 02:15:52 -0700448 memset(&saddr, 0, sizeof(saddr));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449 saddr.sin_addr.s_addr = argp->addr;
Olaf Kirch5c8dd292006-10-04 02:15:55 -0700450 nlm_host_rebooted(&saddr, argp->mon, argp->len, argp->state);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452 return rpc_success;
453}
454
455/*
456 * client sent a GRANTED_RES, let's remove the associated block
457 */
Al Viro7111c662006-10-19 23:28:45 -0700458static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700459nlm4svc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
460 void *resp)
461{
462 if (!nlmsvc_ops)
463 return rpc_success;
464
465 dprintk("lockd: GRANTED_RES called\n");
466
Olaf Kirch39be4502006-10-04 02:16:03 -0700467 nlmsvc_grant_reply(&argp->cookie, argp->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468 return rpc_success;
469}
470
471
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 * NLM Server procedures.
474 */
475
476#define nlm4svc_encode_norep nlm4svc_encode_void
477#define nlm4svc_decode_norep nlm4svc_decode_void
478#define nlm4svc_decode_testres nlm4svc_decode_void
479#define nlm4svc_decode_lockres nlm4svc_decode_void
480#define nlm4svc_decode_unlockres nlm4svc_decode_void
481#define nlm4svc_decode_cancelres nlm4svc_decode_void
482#define nlm4svc_decode_grantedres nlm4svc_decode_void
483
484#define nlm4svc_proc_none nlm4svc_proc_null
485#define nlm4svc_proc_test_res nlm4svc_proc_null
486#define nlm4svc_proc_lock_res nlm4svc_proc_null
487#define nlm4svc_proc_cancel_res nlm4svc_proc_null
488#define nlm4svc_proc_unlock_res nlm4svc_proc_null
489
490struct nlm_void { int dummy; };
491
492#define PROC(name, xargt, xrest, argt, rest, respsize) \
493 { .pc_func = (svc_procfunc) nlm4svc_proc_##name, \
494 .pc_decode = (kxdrproc_t) nlm4svc_decode_##xargt, \
495 .pc_encode = (kxdrproc_t) nlm4svc_encode_##xrest, \
496 .pc_release = NULL, \
497 .pc_argsize = sizeof(struct nlm_##argt), \
498 .pc_ressize = sizeof(struct nlm_##rest), \
499 .pc_xdrressize = respsize, \
500 }
501#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
502#define No (1+1024/4) /* netobj */
503#define St 1 /* status */
504#define Rg 4 /* range (offset + length) */
505struct svc_procedure nlmsvc_procedures4[] = {
506 PROC(null, void, void, void, void, 1),
507 PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
508 PROC(lock, lockargs, res, args, res, Ck+St),
509 PROC(cancel, cancargs, res, args, res, Ck+St),
510 PROC(unlock, unlockargs, res, args, res, Ck+St),
511 PROC(granted, testargs, res, args, res, Ck+St),
512 PROC(test_msg, testargs, norep, args, void, 1),
513 PROC(lock_msg, lockargs, norep, args, void, 1),
514 PROC(cancel_msg, cancargs, norep, args, void, 1),
515 PROC(unlock_msg, unlockargs, norep, args, void, 1),
516 PROC(granted_msg, testargs, norep, args, void, 1),
517 PROC(test_res, testres, norep, res, void, 1),
518 PROC(lock_res, lockres, norep, res, void, 1),
519 PROC(cancel_res, cancelres, norep, res, void, 1),
520 PROC(unlock_res, unlockres, norep, res, void, 1),
521 PROC(granted_res, res, norep, res, void, 1),
522 /* statd callback */
523 PROC(sm_notify, reboot, void, reboot, void, 1),
524 PROC(none, void, void, void, void, 0),
525 PROC(none, void, void, void, void, 0),
526 PROC(none, void, void, void, void, 0),
527 PROC(share, shareargs, shareres, args, res, Ck+St+1),
528 PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
529 PROC(nm_lock, lockargs, res, args, res, Ck+St),
530 PROC(free_all, notify, void, args, void, 1),
531
532};