blob: c187422026d8e376b9c102672af264c8f8930f40 [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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <linux/lockd/lockd.h>
13#include <linux/lockd/share.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15#define NLMDBG_FACILITY NLMDBG_CLIENT
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017/*
18 * Obtain client and file from arguments
19 */
Al Viro52921e02006-10-19 23:28:46 -070020static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070021nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
22 struct nlm_host **hostp, struct nlm_file **filp)
23{
24 struct nlm_host *host = NULL;
25 struct nlm_file *file = NULL;
26 struct nlm_lock *lock = &argp->lock;
Al Viro52921e02006-10-19 23:28:46 -070027 __be32 error = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29 /* nfsd callbacks must have been installed for this procedure */
30 if (!nlmsvc_ops)
31 return nlm_lck_denied_nolocks;
32
33 /* Obtain host handle */
Olaf Kirchdb4e4c92006-10-04 02:15:52 -070034 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
Olaf Kirch977faf32006-10-04 02:15:51 -070035 || (argp->monitor && nsm_monitor(host) < 0))
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 goto no_locks;
37 *hostp = host;
38
39 /* Obtain file pointer. Not used by FREE_ALL call. */
40 if (filp != NULL) {
41 if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
42 goto no_locks;
43 *filp = file;
44
45 /* Set up the missing parts of the file_lock structure */
46 lock->fl.fl_file = file->f_file;
47 lock->fl.fl_owner = (fl_owner_t) host;
48 lock->fl.fl_lmops = &nlmsvc_lock_operations;
49 }
50
51 return 0;
52
53no_locks:
Jeff Laytonb0e92aa2008-07-15 12:35:20 -040054 nlm_release_host(host);
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 if (error)
56 return error;
57 return nlm_lck_denied_nolocks;
58}
59
60/*
61 * NULL: Test for presence of service
62 */
Al Viro7111c662006-10-19 23:28:45 -070063static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070064nlm4svc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
65{
66 dprintk("lockd: NULL called\n");
67 return rpc_success;
68}
69
70/*
71 * TEST: Check for conflicting lock
72 */
Al Viro7111c662006-10-19 23:28:45 -070073static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070074nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
75 struct nlm_res *resp)
76{
77 struct nlm_host *host;
78 struct nlm_file *file;
Harvey Harrison317602f2008-07-20 23:41:24 -070079 __be32 rc = rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
81 dprintk("lockd: TEST4 called\n");
82 resp->cookie = argp->cookie;
83
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 /* Obtain client and file */
85 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -070086 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
88 /* Now check for conflicting locks */
Jeff Layton8f920d52008-07-15 14:06:48 -040089 resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie);
Marc Eshel5ea0d752006-11-28 16:27:06 -050090 if (resp->status == nlm_drop_reply)
Oleg Drokinb7e6b862007-11-26 13:35:11 -050091 rc = rpc_drop_reply;
92 else
93 dprintk("lockd: TEST4 status %d\n", ntohl(resp->status));
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 nlm_release_host(host);
96 nlm_release_file(file);
Oleg Drokinb7e6b862007-11-26 13:35:11 -050097 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -070098}
99
Al Viro7111c662006-10-19 23:28:45 -0700100static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
102 struct nlm_res *resp)
103{
104 struct nlm_host *host;
105 struct nlm_file *file;
Harvey Harrison317602f2008-07-20 23:41:24 -0700106 __be32 rc = rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107
108 dprintk("lockd: LOCK called\n");
109
110 resp->cookie = argp->cookie;
111
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 /* Obtain client and file */
113 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700114 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
116#if 0
117 /* If supplied state doesn't match current state, we assume it's
118 * an old request that time-warped somehow. Any error return would
119 * do in this case because it's irrelevant anyway.
120 *
121 * NB: We don't retrieve the remote host's state yet.
122 */
123 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
124 resp->status = nlm_lck_denied_nolocks;
125 } else
126#endif
127
128 /* Now try to lock the file */
Jeff Layton6cde4de2008-07-15 14:26:17 -0400129 resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock,
J. Bruce Fieldsb2b50282008-02-06 13:59:23 -0500130 argp->block, &argp->cookie,
131 argp->reclaim);
Marc Eshel1a8322b2006-11-28 16:27:06 -0500132 if (resp->status == nlm_drop_reply)
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500133 rc = rpc_drop_reply;
134 else
135 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 nlm_release_host(host);
138 nlm_release_file(file);
Oleg Drokinb7e6b862007-11-26 13:35:11 -0500139 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140}
141
Al Viro7111c662006-10-19 23:28:45 -0700142static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
144 struct nlm_res *resp)
145{
146 struct nlm_host *host;
147 struct nlm_file *file;
148
149 dprintk("lockd: CANCEL called\n");
150
151 resp->cookie = argp->cookie;
152
153 /* Don't accept requests during grace period */
J. Bruce Fieldsaf558e32007-09-06 12:34:25 -0400154 if (locks_in_grace()) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 resp->status = nlm_lck_denied_grace_period;
156 return rpc_success;
157 }
158
159 /* Obtain client and file */
160 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700161 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162
163 /* Try to cancel request. */
164 resp->status = nlmsvc_cancel_blocked(file, &argp->lock);
165
166 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
167 nlm_release_host(host);
168 nlm_release_file(file);
169 return rpc_success;
170}
171
172/*
173 * UNLOCK: release a lock
174 */
Al Viro7111c662006-10-19 23:28:45 -0700175static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
177 struct nlm_res *resp)
178{
179 struct nlm_host *host;
180 struct nlm_file *file;
181
182 dprintk("lockd: UNLOCK called\n");
183
184 resp->cookie = argp->cookie;
185
186 /* Don't accept new lock requests during grace period */
J. Bruce Fieldsaf558e32007-09-06 12:34:25 -0400187 if (locks_in_grace()) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 resp->status = nlm_lck_denied_grace_period;
189 return rpc_success;
190 }
191
192 /* Obtain client and file */
193 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700194 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
196 /* Now try to remove the lock */
197 resp->status = nlmsvc_unlock(file, &argp->lock);
198
199 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
200 nlm_release_host(host);
201 nlm_release_file(file);
202 return rpc_success;
203}
204
205/*
206 * GRANTED: A server calls us to tell that a process' lock request
207 * was granted
208 */
Al Viro7111c662006-10-19 23:28:45 -0700209static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
211 struct nlm_res *resp)
212{
213 resp->cookie = argp->cookie;
214
215 dprintk("lockd: GRANTED called\n");
Chuck Leverdcff09f2008-10-03 12:50:36 -0400216 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
218 return rpc_success;
219}
220
221/*
Trond Myklebustd4716622006-03-20 13:44:45 -0500222 * This is the generic lockd callback for async RPC calls
223 */
224static void nlm4svc_callback_exit(struct rpc_task *task, void *data)
225{
Chuck Leverc041b5f2006-12-05 16:36:03 -0500226 dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
Trond Myklebustd4716622006-03-20 13:44:45 -0500227 -task->tk_status);
228}
229
230static void nlm4svc_callback_release(void *data)
231{
Chuck Lever7db836d2010-12-14 15:05:42 +0000232 nlmsvc_release_call(data);
Trond Myklebustd4716622006-03-20 13:44:45 -0500233}
234
235static const struct rpc_call_ops nlm4svc_callback_ops = {
236 .rpc_call_done = nlm4svc_callback_exit,
237 .rpc_release = nlm4svc_callback_release,
238};
239
240/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241 * `Async' versions of the above service routines. They aren't really,
242 * because we send the callback before the reply proper. I hope this
243 * doesn't break any clients.
244 */
Al Viro7111c662006-10-19 23:28:45 -0700245static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
246 __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
Trond Myklebustd4716622006-03-20 13:44:45 -0500247{
248 struct nlm_host *host;
249 struct nlm_rqst *call;
Al Viro7111c662006-10-19 23:28:45 -0700250 __be32 stat;
Trond Myklebustd4716622006-03-20 13:44:45 -0500251
Olaf Kirchdb4e4c92006-10-04 02:15:52 -0700252 host = nlmsvc_lookup_host(rqstp,
253 argp->lock.caller,
254 argp->lock.len);
Trond Myklebustd4716622006-03-20 13:44:45 -0500255 if (host == NULL)
256 return rpc_system_err;
257
258 call = nlm_alloc_call(host);
259 if (call == NULL)
260 return rpc_system_err;
261
262 stat = func(rqstp, argp, &call->a_res);
263 if (stat != 0) {
Chuck Lever7db836d2010-12-14 15:05:42 +0000264 nlmsvc_release_call(call);
Trond Myklebustd4716622006-03-20 13:44:45 -0500265 return stat;
266 }
267
268 call->a_flags = RPC_TASK_ASYNC;
269 if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0)
270 return rpc_system_err;
271 return rpc_success;
272}
273
Al Viro7111c662006-10-19 23:28:45 -0700274static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275 void *resp)
276{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277 dprintk("lockd: TEST_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500278 return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, argp, nlm4svc_proc_test);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279}
280
Al Viro7111c662006-10-19 23:28:45 -0700281static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 void *resp)
283{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284 dprintk("lockd: LOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500285 return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlm4svc_proc_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286}
287
Al Viro7111c662006-10-19 23:28:45 -0700288static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 void *resp)
290{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 dprintk("lockd: CANCEL_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500292 return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlm4svc_proc_cancel);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293}
294
Al Viro7111c662006-10-19 23:28:45 -0700295static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 void *resp)
297{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 dprintk("lockd: UNLOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500299 return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlm4svc_proc_unlock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300}
301
Al Viro7111c662006-10-19 23:28:45 -0700302static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303 void *resp)
304{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 dprintk("lockd: GRANTED_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500306 return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlm4svc_proc_granted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307}
308
309/*
310 * SHARE: create a DOS share or alter existing share.
311 */
Al Viro7111c662006-10-19 23:28:45 -0700312static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313nlm4svc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
314 struct nlm_res *resp)
315{
316 struct nlm_host *host;
317 struct nlm_file *file;
318
319 dprintk("lockd: SHARE called\n");
320
321 resp->cookie = argp->cookie;
322
323 /* Don't accept new lock requests during grace period */
J. Bruce Fieldsaf558e32007-09-06 12:34:25 -0400324 if (locks_in_grace() && !argp->reclaim) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325 resp->status = nlm_lck_denied_grace_period;
326 return rpc_success;
327 }
328
329 /* Obtain client and file */
330 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700331 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332
333 /* Now try to create the share */
334 resp->status = nlmsvc_share_file(host, file, argp);
335
336 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
337 nlm_release_host(host);
338 nlm_release_file(file);
339 return rpc_success;
340}
341
342/*
343 * UNSHARE: Release a DOS share.
344 */
Al Viro7111c662006-10-19 23:28:45 -0700345static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346nlm4svc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
347 struct nlm_res *resp)
348{
349 struct nlm_host *host;
350 struct nlm_file *file;
351
352 dprintk("lockd: UNSHARE called\n");
353
354 resp->cookie = argp->cookie;
355
356 /* Don't accept requests during grace period */
J. Bruce Fieldsaf558e32007-09-06 12:34:25 -0400357 if (locks_in_grace()) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358 resp->status = nlm_lck_denied_grace_period;
359 return rpc_success;
360 }
361
362 /* Obtain client and file */
363 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700364 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
366 /* Now try to lock the file */
367 resp->status = nlmsvc_unshare_file(host, file, argp);
368
369 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
370 nlm_release_host(host);
371 nlm_release_file(file);
372 return rpc_success;
373}
374
375/*
376 * NM_LOCK: Create an unmonitored lock
377 */
Al Viro7111c662006-10-19 23:28:45 -0700378static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379nlm4svc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
380 struct nlm_res *resp)
381{
382 dprintk("lockd: NM_LOCK called\n");
383
384 argp->monitor = 0; /* just clean the monitor flag */
385 return nlm4svc_proc_lock(rqstp, argp, resp);
386}
387
388/*
389 * FREE_ALL: Release all locks and shares held by client
390 */
Al Viro7111c662006-10-19 23:28:45 -0700391static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700392nlm4svc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
393 void *resp)
394{
395 struct nlm_host *host;
396
397 /* Obtain client */
398 if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL))
399 return rpc_success;
400
401 nlmsvc_free_host_resources(host);
402 nlm_release_host(host);
403 return rpc_success;
404}
405
406/*
407 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
408 */
Al Viro7111c662006-10-19 23:28:45 -0700409static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410nlm4svc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
411 void *resp)
412{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700413 dprintk("lockd: SM_NOTIFY called\n");
Chuck Leverb85e4672008-10-03 12:50:44 -0400414
415 if (!nlm_privileged_requester(rqstp)) {
Chuck Leverad06e4b2007-02-12 00:53:32 -0800416 char buf[RPC_MAX_ADDRBUFLEN];
417 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
418 svc_print_addr(rqstp, buf, sizeof(buf)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419 return rpc_system_err;
420 }
421
Chuck Lever7fefc9c2008-12-05 19:03:31 -0500422 nlm_host_rebooted(argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700423 return rpc_success;
424}
425
426/*
427 * client sent a GRANTED_RES, let's remove the associated block
428 */
Al Viro7111c662006-10-19 23:28:45 -0700429static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430nlm4svc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
431 void *resp)
432{
433 if (!nlmsvc_ops)
434 return rpc_success;
435
436 dprintk("lockd: GRANTED_RES called\n");
437
Olaf Kirch39be4502006-10-04 02:16:03 -0700438 nlmsvc_grant_reply(&argp->cookie, argp->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439 return rpc_success;
440}
441
442
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444 * NLM Server procedures.
445 */
446
447#define nlm4svc_encode_norep nlm4svc_encode_void
448#define nlm4svc_decode_norep nlm4svc_decode_void
449#define nlm4svc_decode_testres nlm4svc_decode_void
450#define nlm4svc_decode_lockres nlm4svc_decode_void
451#define nlm4svc_decode_unlockres nlm4svc_decode_void
452#define nlm4svc_decode_cancelres nlm4svc_decode_void
453#define nlm4svc_decode_grantedres nlm4svc_decode_void
454
455#define nlm4svc_proc_none nlm4svc_proc_null
456#define nlm4svc_proc_test_res nlm4svc_proc_null
457#define nlm4svc_proc_lock_res nlm4svc_proc_null
458#define nlm4svc_proc_cancel_res nlm4svc_proc_null
459#define nlm4svc_proc_unlock_res nlm4svc_proc_null
460
461struct nlm_void { int dummy; };
462
463#define PROC(name, xargt, xrest, argt, rest, respsize) \
464 { .pc_func = (svc_procfunc) nlm4svc_proc_##name, \
465 .pc_decode = (kxdrproc_t) nlm4svc_decode_##xargt, \
466 .pc_encode = (kxdrproc_t) nlm4svc_encode_##xrest, \
467 .pc_release = NULL, \
468 .pc_argsize = sizeof(struct nlm_##argt), \
469 .pc_ressize = sizeof(struct nlm_##rest), \
470 .pc_xdrressize = respsize, \
471 }
472#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
473#define No (1+1024/4) /* netobj */
474#define St 1 /* status */
475#define Rg 4 /* range (offset + length) */
476struct svc_procedure nlmsvc_procedures4[] = {
477 PROC(null, void, void, void, void, 1),
478 PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
479 PROC(lock, lockargs, res, args, res, Ck+St),
480 PROC(cancel, cancargs, res, args, res, Ck+St),
481 PROC(unlock, unlockargs, res, args, res, Ck+St),
482 PROC(granted, testargs, res, args, res, Ck+St),
483 PROC(test_msg, testargs, norep, args, void, 1),
484 PROC(lock_msg, lockargs, norep, args, void, 1),
485 PROC(cancel_msg, cancargs, norep, args, void, 1),
486 PROC(unlock_msg, unlockargs, norep, args, void, 1),
487 PROC(granted_msg, testargs, norep, args, void, 1),
488 PROC(test_res, testres, norep, res, void, 1),
489 PROC(lock_res, lockres, norep, res, void, 1),
490 PROC(cancel_res, cancelres, norep, res, void, 1),
491 PROC(unlock_res, unlockres, norep, res, void, 1),
492 PROC(granted_res, res, norep, res, void, 1),
493 /* statd callback */
494 PROC(sm_notify, reboot, void, reboot, void, 1),
495 PROC(none, void, void, void, void, 0),
496 PROC(none, void, void, void, void, 0),
497 PROC(none, void, void, void, void, 0),
498 PROC(share, shareargs, shareres, args, res, Ck+St+1),
499 PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
500 PROC(nm_lock, lockargs, res, args, res, Ck+St),
501 PROC(free_all, notify, void, args, void, 1),
502
503};