blob: 9cd5c8b37593f099d3c64da583085b733175c038 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/fs/lockd/svcproc.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
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#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#ifdef CONFIG_LOCKD_V4
Al Viro52921e02006-10-19 23:28:46 -070025static __be32
26cast_to_nlm(__be32 status, u32 vers)
Linus Torvalds1da177e2005-04-16 15:20:36 -070027{
28 /* Note: status is assumed to be in network byte order !!! */
29 if (vers != 4){
30 switch (status) {
31 case nlm_granted:
32 case nlm_lck_denied:
33 case nlm_lck_denied_nolocks:
34 case nlm_lck_blocked:
35 case nlm_lck_denied_grace_period:
Marc Eshel5ea0d752006-11-28 16:27:06 -050036 case nlm_drop_reply:
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 break;
38 case nlm4_deadlock:
39 status = nlm_lck_denied;
40 break;
41 default:
42 status = nlm_lck_denied_nolocks;
43 }
44 }
45
46 return (status);
47}
48#define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers))
49#else
50#define cast_status(status) (status)
51#endif
52
53/*
54 * Obtain client and file from arguments
55 */
Al Viro52921e02006-10-19 23:28:46 -070056static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -070057nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
58 struct nlm_host **hostp, struct nlm_file **filp)
59{
60 struct nlm_host *host = NULL;
61 struct nlm_file *file = NULL;
62 struct nlm_lock *lock = &argp->lock;
Al Viro52921e02006-10-19 23:28:46 -070063 __be32 error = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
65 /* nfsd callbacks must have been installed for this procedure */
66 if (!nlmsvc_ops)
67 return nlm_lck_denied_nolocks;
68
69 /* Obtain host handle */
Olaf Kirchdb4e4c92006-10-04 02:15:52 -070070 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
Olaf Kirch977faf32006-10-04 02:15:51 -070071 || (argp->monitor && nsm_monitor(host) < 0))
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 goto no_locks;
73 *hostp = host;
74
75 /* Obtain file pointer. Not used by FREE_ALL call. */
76 if (filp != NULL) {
77 if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
78 goto no_locks;
79 *filp = file;
80
81 /* Set up the missing parts of the file_lock structure */
82 lock->fl.fl_file = file->f_file;
83 lock->fl.fl_owner = (fl_owner_t) host;
84 lock->fl.fl_lmops = &nlmsvc_lock_operations;
85 }
86
87 return 0;
88
89no_locks:
90 if (host)
91 nlm_release_host(host);
NeilBrownd343fce2006-10-17 00:10:18 -070092 if (error)
93 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 return nlm_lck_denied_nolocks;
95}
96
97/*
98 * NULL: Test for presence of service
99 */
Al Viro7111c662006-10-19 23:28:45 -0700100static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
102{
103 dprintk("lockd: NULL called\n");
104 return rpc_success;
105}
106
107/*
108 * TEST: Check for conflicting lock
109 */
Al Viro7111c662006-10-19 23:28:45 -0700110static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
112 struct nlm_res *resp)
113{
114 struct nlm_host *host;
115 struct nlm_file *file;
116
117 dprintk("lockd: TEST called\n");
118 resp->cookie = argp->cookie;
119
120 /* Don't accept test requests during grace period */
121 if (nlmsvc_grace_period) {
122 resp->status = nlm_lck_denied_grace_period;
123 return rpc_success;
124 }
125
126 /* Obtain client and file */
127 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700128 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130 /* Now check for conflicting locks */
Marc Eshel85f3f1b32006-11-28 16:27:06 -0500131 resp->status = cast_status(nlmsvc_testlock(rqstp, file, &argp->lock, &resp->lock, &resp->cookie));
Marc Eshel5ea0d752006-11-28 16:27:06 -0500132 if (resp->status == nlm_drop_reply)
133 return rpc_drop_reply;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134
135 dprintk("lockd: TEST status %d vers %d\n",
136 ntohl(resp->status), rqstp->rq_vers);
137 nlm_release_host(host);
138 nlm_release_file(file);
139 return rpc_success;
140}
141
Al Viro7111c662006-10-19 23:28:45 -0700142static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143nlmsvc_proc_lock(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: LOCK called\n");
150
151 resp->cookie = argp->cookie;
152
153 /* Don't accept new lock requests during grace period */
154 if (nlmsvc_grace_period && !argp->reclaim) {
155 resp->status = nlm_lck_denied_grace_period;
156 return rpc_success;
157 }
158
159 /* Obtain client and file */
160 if ((resp->status = nlmsvc_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#if 0
164 /* If supplied state doesn't match current state, we assume it's
165 * an old request that time-warped somehow. Any error return would
166 * do in this case because it's irrelevant anyway.
167 *
168 * NB: We don't retrieve the remote host's state yet.
169 */
170 if (host->h_nsmstate && host->h_nsmstate != argp->state) {
171 resp->status = nlm_lck_denied_nolocks;
172 } else
173#endif
174
175 /* Now try to lock the file */
176 resp->status = cast_status(nlmsvc_lock(rqstp, file, &argp->lock,
177 argp->block, &argp->cookie));
Marc Eshel1a8322b2006-11-28 16:27:06 -0500178 if (resp->status == nlm_drop_reply)
179 return rpc_drop_reply;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180
181 dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
182 nlm_release_host(host);
183 nlm_release_file(file);
184 return rpc_success;
185}
186
Al Viro7111c662006-10-19 23:28:45 -0700187static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
189 struct nlm_res *resp)
190{
191 struct nlm_host *host;
192 struct nlm_file *file;
193
194 dprintk("lockd: CANCEL called\n");
195
196 resp->cookie = argp->cookie;
197
198 /* Don't accept requests during grace period */
199 if (nlmsvc_grace_period) {
200 resp->status = nlm_lck_denied_grace_period;
201 return rpc_success;
202 }
203
204 /* Obtain client and file */
205 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700206 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207
208 /* Try to cancel request. */
209 resp->status = cast_status(nlmsvc_cancel_blocked(file, &argp->lock));
210
211 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
212 nlm_release_host(host);
213 nlm_release_file(file);
214 return rpc_success;
215}
216
217/*
218 * UNLOCK: release a lock
219 */
Al Viro7111c662006-10-19 23:28:45 -0700220static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
222 struct nlm_res *resp)
223{
224 struct nlm_host *host;
225 struct nlm_file *file;
226
227 dprintk("lockd: UNLOCK called\n");
228
229 resp->cookie = argp->cookie;
230
231 /* Don't accept new lock requests during grace period */
232 if (nlmsvc_grace_period) {
233 resp->status = nlm_lck_denied_grace_period;
234 return rpc_success;
235 }
236
237 /* Obtain client and file */
238 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700239 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240
241 /* Now try to remove the lock */
242 resp->status = cast_status(nlmsvc_unlock(file, &argp->lock));
243
244 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
245 nlm_release_host(host);
246 nlm_release_file(file);
247 return rpc_success;
248}
249
250/*
251 * GRANTED: A server calls us to tell that a process' lock request
252 * was granted
253 */
Al Viro7111c662006-10-19 23:28:45 -0700254static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
256 struct nlm_res *resp)
257{
258 resp->cookie = argp->cookie;
259
260 dprintk("lockd: GRANTED called\n");
Chuck Lever27459f02007-02-12 00:53:34 -0800261 resp->status = nlmclnt_grant(svc_addr_in(rqstp), &argp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
263 return rpc_success;
264}
265
266/*
Trond Myklebustd4716622006-03-20 13:44:45 -0500267 * This is the generic lockd callback for async RPC calls
268 */
269static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
270{
Chuck Leverc041b5f2006-12-05 16:36:03 -0500271 dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
Trond Myklebustd4716622006-03-20 13:44:45 -0500272 -task->tk_status);
273}
274
275static void nlmsvc_callback_release(void *data)
276{
277 nlm_release_call(data);
278}
279
280static const struct rpc_call_ops nlmsvc_callback_ops = {
281 .rpc_call_done = nlmsvc_callback_exit,
282 .rpc_release = nlmsvc_callback_release,
283};
284
285/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 * `Async' versions of the above service routines. They aren't really,
287 * because we send the callback before the reply proper. I hope this
288 * doesn't break any clients.
289 */
Al Viro7111c662006-10-19 23:28:45 -0700290static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
291 __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
Trond Myklebustd4716622006-03-20 13:44:45 -0500292{
293 struct nlm_host *host;
294 struct nlm_rqst *call;
Al Viro7111c662006-10-19 23:28:45 -0700295 __be32 stat;
Trond Myklebustd4716622006-03-20 13:44:45 -0500296
Olaf Kirchdb4e4c92006-10-04 02:15:52 -0700297 host = nlmsvc_lookup_host(rqstp,
298 argp->lock.caller,
299 argp->lock.len);
Trond Myklebustd4716622006-03-20 13:44:45 -0500300 if (host == NULL)
301 return rpc_system_err;
302
303 call = nlm_alloc_call(host);
304 if (call == NULL)
305 return rpc_system_err;
306
307 stat = func(rqstp, argp, &call->a_res);
308 if (stat != 0) {
309 nlm_release_call(call);
310 return stat;
311 }
312
313 call->a_flags = RPC_TASK_ASYNC;
314 if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
315 return rpc_system_err;
316 return rpc_success;
317}
318
Al Viro7111c662006-10-19 23:28:45 -0700319static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 void *resp)
321{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322 dprintk("lockd: TEST_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500323 return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324}
325
Al Viro7111c662006-10-19 23:28:45 -0700326static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327 void *resp)
328{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329 dprintk("lockd: LOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500330 return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331}
332
Al Viro7111c662006-10-19 23:28:45 -0700333static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 void *resp)
335{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 dprintk("lockd: CANCEL_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500337 return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338}
339
Al Viro7111c662006-10-19 23:28:45 -0700340static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
342 void *resp)
343{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344 dprintk("lockd: UNLOCK_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500345 return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346}
347
Al Viro7111c662006-10-19 23:28:45 -0700348static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
350 void *resp)
351{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352 dprintk("lockd: GRANTED_MSG called\n");
Trond Myklebustd4716622006-03-20 13:44:45 -0500353 return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlmsvc_proc_granted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354}
355
356/*
357 * SHARE: create a DOS share or alter existing share.
358 */
Al Viro7111c662006-10-19 23:28:45 -0700359static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
361 struct nlm_res *resp)
362{
363 struct nlm_host *host;
364 struct nlm_file *file;
365
366 dprintk("lockd: SHARE called\n");
367
368 resp->cookie = argp->cookie;
369
370 /* Don't accept new lock requests during grace period */
371 if (nlmsvc_grace_period && !argp->reclaim) {
372 resp->status = nlm_lck_denied_grace_period;
373 return rpc_success;
374 }
375
376 /* Obtain client and file */
377 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700378 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379
380 /* Now try to create the share */
381 resp->status = cast_status(nlmsvc_share_file(host, file, argp));
382
383 dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
384 nlm_release_host(host);
385 nlm_release_file(file);
386 return rpc_success;
387}
388
389/*
390 * UNSHARE: Release a DOS share.
391 */
Al Viro7111c662006-10-19 23:28:45 -0700392static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
394 struct nlm_res *resp)
395{
396 struct nlm_host *host;
397 struct nlm_file *file;
398
399 dprintk("lockd: UNSHARE called\n");
400
401 resp->cookie = argp->cookie;
402
403 /* Don't accept requests during grace period */
404 if (nlmsvc_grace_period) {
405 resp->status = nlm_lck_denied_grace_period;
406 return rpc_success;
407 }
408
409 /* Obtain client and file */
410 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
NeilBrownd343fce2006-10-17 00:10:18 -0700411 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412
413 /* Now try to unshare the file */
414 resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
415
416 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
417 nlm_release_host(host);
418 nlm_release_file(file);
419 return rpc_success;
420}
421
422/*
423 * NM_LOCK: Create an unmonitored lock
424 */
Al Viro7111c662006-10-19 23:28:45 -0700425static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
427 struct nlm_res *resp)
428{
429 dprintk("lockd: NM_LOCK called\n");
430
431 argp->monitor = 0; /* just clean the monitor flag */
432 return nlmsvc_proc_lock(rqstp, argp, resp);
433}
434
435/*
436 * FREE_ALL: Release all locks and shares held by client
437 */
Al Viro7111c662006-10-19 23:28:45 -0700438static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
440 void *resp)
441{
442 struct nlm_host *host;
443
444 /* Obtain client */
445 if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
446 return rpc_success;
447
448 nlmsvc_free_host_resources(host);
449 nlm_release_host(host);
450 return rpc_success;
451}
452
453/*
454 * SM_NOTIFY: private callback from statd (not part of official NLM proto)
455 */
Al Viro7111c662006-10-19 23:28:45 -0700456static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
458 void *resp)
459{
Chuck Lever27459f02007-02-12 00:53:34 -0800460 struct sockaddr_in saddr;
461
462 memcpy(&saddr, svc_addr_in(rqstp), sizeof(saddr));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463
464 dprintk("lockd: SM_NOTIFY called\n");
465 if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
466 || ntohs(saddr.sin_port) >= 1024) {
Chuck Leverad06e4b2007-02-12 00:53:32 -0800467 char buf[RPC_MAX_ADDRBUFLEN];
468 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
469 svc_print_addr(rqstp, buf, sizeof(buf)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470 return rpc_system_err;
471 }
472
473 /* Obtain the host pointer for this NFS server and try to
474 * reclaim all locks we hold on this server.
475 */
Olaf Kirchcf712c22006-10-04 02:15:52 -0700476 memset(&saddr, 0, sizeof(saddr));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 saddr.sin_addr.s_addr = argp->addr;
Olaf Kirch5c8dd292006-10-04 02:15:55 -0700478 nlm_host_rebooted(&saddr, argp->mon, argp->len, argp->state);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479
480 return rpc_success;
481}
482
483/*
484 * client sent a GRANTED_RES, let's remove the associated block
485 */
Al Viro7111c662006-10-19 23:28:45 -0700486static __be32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
488 void *resp)
489{
490 if (!nlmsvc_ops)
491 return rpc_success;
492
493 dprintk("lockd: GRANTED_RES called\n");
494
Olaf Kirch39be4502006-10-04 02:16:03 -0700495 nlmsvc_grant_reply(&argp->cookie, argp->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700496 return rpc_success;
497}
498
499/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 * NLM Server procedures.
501 */
502
503#define nlmsvc_encode_norep nlmsvc_encode_void
504#define nlmsvc_decode_norep nlmsvc_decode_void
505#define nlmsvc_decode_testres nlmsvc_decode_void
506#define nlmsvc_decode_lockres nlmsvc_decode_void
507#define nlmsvc_decode_unlockres nlmsvc_decode_void
508#define nlmsvc_decode_cancelres nlmsvc_decode_void
509#define nlmsvc_decode_grantedres nlmsvc_decode_void
510
511#define nlmsvc_proc_none nlmsvc_proc_null
512#define nlmsvc_proc_test_res nlmsvc_proc_null
513#define nlmsvc_proc_lock_res nlmsvc_proc_null
514#define nlmsvc_proc_cancel_res nlmsvc_proc_null
515#define nlmsvc_proc_unlock_res nlmsvc_proc_null
516
517struct nlm_void { int dummy; };
518
519#define PROC(name, xargt, xrest, argt, rest, respsize) \
520 { .pc_func = (svc_procfunc) nlmsvc_proc_##name, \
521 .pc_decode = (kxdrproc_t) nlmsvc_decode_##xargt, \
522 .pc_encode = (kxdrproc_t) nlmsvc_encode_##xrest, \
523 .pc_release = NULL, \
524 .pc_argsize = sizeof(struct nlm_##argt), \
525 .pc_ressize = sizeof(struct nlm_##rest), \
526 .pc_xdrressize = respsize, \
527 }
528
529#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
530#define St 1 /* status */
531#define No (1+1024/4) /* Net Obj */
532#define Rg 2 /* range - offset + size */
533
534struct svc_procedure nlmsvc_procedures[] = {
535 PROC(null, void, void, void, void, 1),
536 PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
537 PROC(lock, lockargs, res, args, res, Ck+St),
538 PROC(cancel, cancargs, res, args, res, Ck+St),
539 PROC(unlock, unlockargs, res, args, res, Ck+St),
540 PROC(granted, testargs, res, args, res, Ck+St),
541 PROC(test_msg, testargs, norep, args, void, 1),
542 PROC(lock_msg, lockargs, norep, args, void, 1),
543 PROC(cancel_msg, cancargs, norep, args, void, 1),
544 PROC(unlock_msg, unlockargs, norep, args, void, 1),
545 PROC(granted_msg, testargs, norep, args, void, 1),
546 PROC(test_res, testres, norep, res, void, 1),
547 PROC(lock_res, lockres, norep, res, void, 1),
548 PROC(cancel_res, cancelres, norep, res, void, 1),
549 PROC(unlock_res, unlockres, norep, res, void, 1),
550 PROC(granted_res, res, norep, res, void, 1),
551 /* statd callback */
552 PROC(sm_notify, reboot, void, reboot, void, 1),
553 PROC(none, void, void, void, void, 1),
554 PROC(none, void, void, void, void, 1),
555 PROC(none, void, void, void, void, 1),
556 PROC(share, shareargs, shareres, args, res, Ck+St+1),
557 PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
558 PROC(nm_lock, lockargs, res, args, res, Ck+St),
559 PROC(free_all, notify, void, args, void, 0),
560
561};