Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
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 | ||
1da177e4 LT |
10 | #include <linux/types.h> |
11 | #include <linux/time.h> | |
1da177e4 LT |
12 | #include <linux/lockd/lockd.h> |
13 | #include <linux/lockd/share.h> | |
5ccb0066 | 14 | #include <linux/sunrpc/svc_xprt.h> |
1da177e4 LT |
15 | |
16 | #define NLMDBG_FACILITY NLMDBG_CLIENT | |
17 | ||
1da177e4 | 18 | #ifdef CONFIG_LOCKD_V4 |
52921e02 AV |
19 | static __be32 |
20 | cast_to_nlm(__be32 status, u32 vers) | |
1da177e4 LT |
21 | { |
22 | /* Note: status is assumed to be in network byte order !!! */ | |
23 | if (vers != 4){ | |
24 | switch (status) { | |
25 | case nlm_granted: | |
26 | case nlm_lck_denied: | |
27 | case nlm_lck_denied_nolocks: | |
28 | case nlm_lck_blocked: | |
29 | case nlm_lck_denied_grace_period: | |
5ea0d750 | 30 | case nlm_drop_reply: |
1da177e4 LT |
31 | break; |
32 | case nlm4_deadlock: | |
33 | status = nlm_lck_denied; | |
34 | break; | |
35 | default: | |
36 | status = nlm_lck_denied_nolocks; | |
37 | } | |
38 | } | |
39 | ||
40 | return (status); | |
41 | } | |
42 | #define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers)) | |
43 | #else | |
44 | #define cast_status(status) (status) | |
45 | #endif | |
46 | ||
47 | /* | |
48 | * Obtain client and file from arguments | |
49 | */ | |
52921e02 | 50 | static __be32 |
1da177e4 LT |
51 | nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, |
52 | struct nlm_host **hostp, struct nlm_file **filp) | |
53 | { | |
54 | struct nlm_host *host = NULL; | |
55 | struct nlm_file *file = NULL; | |
56 | struct nlm_lock *lock = &argp->lock; | |
52921e02 | 57 | __be32 error = 0; |
1da177e4 LT |
58 | |
59 | /* nfsd callbacks must have been installed for this procedure */ | |
60 | if (!nlmsvc_ops) | |
61 | return nlm_lck_denied_nolocks; | |
62 | ||
63 | /* Obtain host handle */ | |
db4e4c9a | 64 | if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) |
977faf39 | 65 | || (argp->monitor && nsm_monitor(host) < 0)) |
1da177e4 LT |
66 | goto no_locks; |
67 | *hostp = host; | |
68 | ||
69 | /* Obtain file pointer. Not used by FREE_ALL call. */ | |
70 | if (filp != NULL) { | |
71 | if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0) | |
72 | goto no_locks; | |
73 | *filp = file; | |
74 | ||
75 | /* Set up the missing parts of the file_lock structure */ | |
76 | lock->fl.fl_file = file->f_file; | |
77 | lock->fl.fl_owner = (fl_owner_t) host; | |
78 | lock->fl.fl_lmops = &nlmsvc_lock_operations; | |
79 | } | |
80 | ||
81 | return 0; | |
82 | ||
83 | no_locks: | |
67216b94 | 84 | nlmsvc_release_host(host); |
d343fce1 N |
85 | if (error) |
86 | return error; | |
1da177e4 LT |
87 | return nlm_lck_denied_nolocks; |
88 | } | |
89 | ||
90 | /* | |
91 | * NULL: Test for presence of service | |
92 | */ | |
7111c66e | 93 | static __be32 |
1da177e4 LT |
94 | nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) |
95 | { | |
96 | dprintk("lockd: NULL called\n"); | |
97 | return rpc_success; | |
98 | } | |
99 | ||
100 | /* | |
101 | * TEST: Check for conflicting lock | |
102 | */ | |
7111c66e | 103 | static __be32 |
1da177e4 LT |
104 | nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp, |
105 | struct nlm_res *resp) | |
106 | { | |
107 | struct nlm_host *host; | |
108 | struct nlm_file *file; | |
317602f3 | 109 | __be32 rc = rpc_success; |
1da177e4 LT |
110 | |
111 | dprintk("lockd: TEST called\n"); | |
112 | resp->cookie = argp->cookie; | |
113 | ||
1da177e4 LT |
114 | /* Obtain client and file */ |
115 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 116 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
117 | |
118 | /* Now check for conflicting locks */ | |
8f920d5e | 119 | resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie)); |
5ea0d750 | 120 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
121 | rc = rpc_drop_reply; |
122 | else | |
123 | dprintk("lockd: TEST status %d vers %d\n", | |
124 | ntohl(resp->status), rqstp->rq_vers); | |
1da177e4 | 125 | |
67216b94 | 126 | nlmsvc_release_host(host); |
1da177e4 | 127 | nlm_release_file(file); |
b7e6b869 | 128 | return rc; |
1da177e4 LT |
129 | } |
130 | ||
7111c66e | 131 | static __be32 |
1da177e4 LT |
132 | nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp, |
133 | struct nlm_res *resp) | |
134 | { | |
135 | struct nlm_host *host; | |
136 | struct nlm_file *file; | |
317602f3 | 137 | __be32 rc = rpc_success; |
1da177e4 LT |
138 | |
139 | dprintk("lockd: LOCK called\n"); | |
140 | ||
141 | resp->cookie = argp->cookie; | |
142 | ||
1da177e4 LT |
143 | /* Obtain client and file */ |
144 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 145 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
146 | |
147 | #if 0 | |
148 | /* If supplied state doesn't match current state, we assume it's | |
149 | * an old request that time-warped somehow. Any error return would | |
150 | * do in this case because it's irrelevant anyway. | |
151 | * | |
152 | * NB: We don't retrieve the remote host's state yet. | |
153 | */ | |
154 | if (host->h_nsmstate && host->h_nsmstate != argp->state) { | |
155 | resp->status = nlm_lck_denied_nolocks; | |
156 | } else | |
157 | #endif | |
158 | ||
159 | /* Now try to lock the file */ | |
6cde4de8 | 160 | resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock, |
b2b50289 BF |
161 | argp->block, &argp->cookie, |
162 | argp->reclaim)); | |
1a8322b2 | 163 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
164 | rc = rpc_drop_reply; |
165 | else | |
166 | dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); | |
1da177e4 | 167 | |
67216b94 | 168 | nlmsvc_release_host(host); |
1da177e4 | 169 | nlm_release_file(file); |
b7e6b869 | 170 | return rc; |
1da177e4 LT |
171 | } |
172 | ||
7111c66e | 173 | static __be32 |
1da177e4 LT |
174 | nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp, |
175 | struct nlm_res *resp) | |
176 | { | |
177 | struct nlm_host *host; | |
178 | struct nlm_file *file; | |
5ccb0066 | 179 | struct net *net = SVC_NET(rqstp); |
1da177e4 LT |
180 | |
181 | dprintk("lockd: CANCEL called\n"); | |
182 | ||
183 | resp->cookie = argp->cookie; | |
184 | ||
185 | /* Don't accept requests during grace period */ | |
5ccb0066 | 186 | if (locks_in_grace(net)) { |
1da177e4 LT |
187 | resp->status = nlm_lck_denied_grace_period; |
188 | return rpc_success; | |
189 | } | |
190 | ||
191 | /* Obtain client and file */ | |
192 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 193 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
194 | |
195 | /* Try to cancel request. */ | |
5ccb0066 | 196 | resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock)); |
1da177e4 LT |
197 | |
198 | dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); | |
67216b94 | 199 | nlmsvc_release_host(host); |
1da177e4 LT |
200 | nlm_release_file(file); |
201 | return rpc_success; | |
202 | } | |
203 | ||
204 | /* | |
205 | * UNLOCK: release a lock | |
206 | */ | |
7111c66e | 207 | static __be32 |
1da177e4 LT |
208 | nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp, |
209 | struct nlm_res *resp) | |
210 | { | |
211 | struct nlm_host *host; | |
212 | struct nlm_file *file; | |
5ccb0066 | 213 | struct net *net = SVC_NET(rqstp); |
1da177e4 LT |
214 | |
215 | dprintk("lockd: UNLOCK called\n"); | |
216 | ||
217 | resp->cookie = argp->cookie; | |
218 | ||
219 | /* Don't accept new lock requests during grace period */ | |
5ccb0066 | 220 | if (locks_in_grace(net)) { |
1da177e4 LT |
221 | resp->status = nlm_lck_denied_grace_period; |
222 | return rpc_success; | |
223 | } | |
224 | ||
225 | /* Obtain client and file */ | |
226 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 227 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
228 | |
229 | /* Now try to remove the lock */ | |
5ccb0066 | 230 | resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock)); |
1da177e4 LT |
231 | |
232 | dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); | |
67216b94 | 233 | nlmsvc_release_host(host); |
1da177e4 LT |
234 | nlm_release_file(file); |
235 | return rpc_success; | |
236 | } | |
237 | ||
238 | /* | |
239 | * GRANTED: A server calls us to tell that a process' lock request | |
240 | * was granted | |
241 | */ | |
7111c66e | 242 | static __be32 |
1da177e4 LT |
243 | nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp, |
244 | struct nlm_res *resp) | |
245 | { | |
246 | resp->cookie = argp->cookie; | |
247 | ||
248 | dprintk("lockd: GRANTED called\n"); | |
dcff09f1 | 249 | resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock); |
1da177e4 LT |
250 | dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); |
251 | return rpc_success; | |
252 | } | |
253 | ||
d4716624 TM |
254 | /* |
255 | * This is the generic lockd callback for async RPC calls | |
256 | */ | |
257 | static void nlmsvc_callback_exit(struct rpc_task *task, void *data) | |
258 | { | |
c041b5ff | 259 | dprintk("lockd: %5u callback returned %d\n", task->tk_pid, |
d4716624 TM |
260 | -task->tk_status); |
261 | } | |
262 | ||
7db836d4 CL |
263 | void nlmsvc_release_call(struct nlm_rqst *call) |
264 | { | |
265 | if (!atomic_dec_and_test(&call->a_count)) | |
266 | return; | |
67216b94 | 267 | nlmsvc_release_host(call->a_host); |
7db836d4 CL |
268 | kfree(call); |
269 | } | |
270 | ||
d4716624 TM |
271 | static void nlmsvc_callback_release(void *data) |
272 | { | |
7db836d4 | 273 | nlmsvc_release_call(data); |
d4716624 TM |
274 | } |
275 | ||
276 | static const struct rpc_call_ops nlmsvc_callback_ops = { | |
277 | .rpc_call_done = nlmsvc_callback_exit, | |
278 | .rpc_release = nlmsvc_callback_release, | |
279 | }; | |
280 | ||
1da177e4 LT |
281 | /* |
282 | * `Async' versions of the above service routines. They aren't really, | |
283 | * because we send the callback before the reply proper. I hope this | |
284 | * doesn't break any clients. | |
285 | */ | |
7111c66e AV |
286 | static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp, |
287 | __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *)) | |
1da177e4 | 288 | { |
d4716624 TM |
289 | struct nlm_host *host; |
290 | struct nlm_rqst *call; | |
7111c66e | 291 | __be32 stat; |
1da177e4 | 292 | |
db4e4c9a OK |
293 | host = nlmsvc_lookup_host(rqstp, |
294 | argp->lock.caller, | |
295 | argp->lock.len); | |
d4716624 TM |
296 | if (host == NULL) |
297 | return rpc_system_err; | |
298 | ||
299 | call = nlm_alloc_call(host); | |
446945ab | 300 | nlmsvc_release_host(host); |
d4716624 TM |
301 | if (call == NULL) |
302 | return rpc_system_err; | |
303 | ||
304 | stat = func(rqstp, argp, &call->a_res); | |
305 | if (stat != 0) { | |
7db836d4 | 306 | nlmsvc_release_call(call); |
d4716624 TM |
307 | return stat; |
308 | } | |
1da177e4 | 309 | |
d4716624 TM |
310 | call->a_flags = RPC_TASK_ASYNC; |
311 | if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0) | |
312 | return rpc_system_err; | |
313 | return rpc_success; | |
1da177e4 LT |
314 | } |
315 | ||
7111c66e | 316 | static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
317 | void *resp) |
318 | { | |
d4716624 TM |
319 | dprintk("lockd: TEST_MSG called\n"); |
320 | return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test); | |
321 | } | |
1da177e4 | 322 | |
7111c66e | 323 | static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
d4716624 TM |
324 | void *resp) |
325 | { | |
1da177e4 | 326 | dprintk("lockd: LOCK_MSG called\n"); |
d4716624 | 327 | return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock); |
1da177e4 LT |
328 | } |
329 | ||
7111c66e | 330 | static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
331 | void *resp) |
332 | { | |
1da177e4 | 333 | dprintk("lockd: CANCEL_MSG called\n"); |
d4716624 | 334 | return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel); |
1da177e4 LT |
335 | } |
336 | ||
7111c66e | 337 | static __be32 |
1da177e4 LT |
338 | nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
339 | void *resp) | |
340 | { | |
1da177e4 | 341 | dprintk("lockd: UNLOCK_MSG called\n"); |
d4716624 | 342 | return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock); |
1da177e4 LT |
343 | } |
344 | ||
7111c66e | 345 | static __be32 |
1da177e4 LT |
346 | nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
347 | void *resp) | |
348 | { | |
1da177e4 | 349 | dprintk("lockd: GRANTED_MSG called\n"); |
d4716624 | 350 | return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlmsvc_proc_granted); |
1da177e4 LT |
351 | } |
352 | ||
353 | /* | |
354 | * SHARE: create a DOS share or alter existing share. | |
355 | */ | |
7111c66e | 356 | static __be32 |
1da177e4 LT |
357 | nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp, |
358 | struct nlm_res *resp) | |
359 | { | |
360 | struct nlm_host *host; | |
361 | struct nlm_file *file; | |
362 | ||
363 | dprintk("lockd: SHARE called\n"); | |
364 | ||
365 | resp->cookie = argp->cookie; | |
366 | ||
367 | /* Don't accept new lock requests during grace period */ | |
5ccb0066 | 368 | if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) { |
1da177e4 LT |
369 | resp->status = nlm_lck_denied_grace_period; |
370 | return rpc_success; | |
371 | } | |
372 | ||
373 | /* Obtain client and file */ | |
374 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 375 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
376 | |
377 | /* Now try to create the share */ | |
378 | resp->status = cast_status(nlmsvc_share_file(host, file, argp)); | |
379 | ||
380 | dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); | |
67216b94 | 381 | nlmsvc_release_host(host); |
1da177e4 LT |
382 | nlm_release_file(file); |
383 | return rpc_success; | |
384 | } | |
385 | ||
386 | /* | |
387 | * UNSHARE: Release a DOS share. | |
388 | */ | |
7111c66e | 389 | static __be32 |
1da177e4 LT |
390 | nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp, |
391 | struct nlm_res *resp) | |
392 | { | |
393 | struct nlm_host *host; | |
394 | struct nlm_file *file; | |
395 | ||
396 | dprintk("lockd: UNSHARE called\n"); | |
397 | ||
398 | resp->cookie = argp->cookie; | |
399 | ||
400 | /* Don't accept requests during grace period */ | |
5ccb0066 | 401 | if (locks_in_grace(SVC_NET(rqstp))) { |
1da177e4 LT |
402 | resp->status = nlm_lck_denied_grace_period; |
403 | return rpc_success; | |
404 | } | |
405 | ||
406 | /* Obtain client and file */ | |
407 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 408 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
409 | |
410 | /* Now try to unshare the file */ | |
411 | resp->status = cast_status(nlmsvc_unshare_file(host, file, argp)); | |
412 | ||
413 | dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); | |
67216b94 | 414 | nlmsvc_release_host(host); |
1da177e4 LT |
415 | nlm_release_file(file); |
416 | return rpc_success; | |
417 | } | |
418 | ||
419 | /* | |
420 | * NM_LOCK: Create an unmonitored lock | |
421 | */ | |
7111c66e | 422 | static __be32 |
1da177e4 LT |
423 | nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp, |
424 | struct nlm_res *resp) | |
425 | { | |
426 | dprintk("lockd: NM_LOCK called\n"); | |
427 | ||
428 | argp->monitor = 0; /* just clean the monitor flag */ | |
429 | return nlmsvc_proc_lock(rqstp, argp, resp); | |
430 | } | |
431 | ||
432 | /* | |
433 | * FREE_ALL: Release all locks and shares held by client | |
434 | */ | |
7111c66e | 435 | static __be32 |
1da177e4 LT |
436 | nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp, |
437 | void *resp) | |
438 | { | |
439 | struct nlm_host *host; | |
440 | ||
441 | /* Obtain client */ | |
442 | if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL)) | |
443 | return rpc_success; | |
444 | ||
445 | nlmsvc_free_host_resources(host); | |
67216b94 | 446 | nlmsvc_release_host(host); |
1da177e4 LT |
447 | return rpc_success; |
448 | } | |
449 | ||
450 | /* | |
451 | * SM_NOTIFY: private callback from statd (not part of official NLM proto) | |
452 | */ | |
7111c66e | 453 | static __be32 |
1da177e4 LT |
454 | nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp, |
455 | void *resp) | |
456 | { | |
1da177e4 | 457 | dprintk("lockd: SM_NOTIFY called\n"); |
b85e4676 CL |
458 | |
459 | if (!nlm_privileged_requester(rqstp)) { | |
ad06e4bd CL |
460 | char buf[RPC_MAX_ADDRBUFLEN]; |
461 | printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", | |
462 | svc_print_addr(rqstp, buf, sizeof(buf))); | |
1da177e4 LT |
463 | return rpc_system_err; |
464 | } | |
465 | ||
7fefc9cb | 466 | nlm_host_rebooted(argp); |
1da177e4 LT |
467 | return rpc_success; |
468 | } | |
469 | ||
470 | /* | |
471 | * client sent a GRANTED_RES, let's remove the associated block | |
472 | */ | |
7111c66e | 473 | static __be32 |
1da177e4 LT |
474 | nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp, |
475 | void *resp) | |
476 | { | |
477 | if (!nlmsvc_ops) | |
478 | return rpc_success; | |
479 | ||
480 | dprintk("lockd: GRANTED_RES called\n"); | |
481 | ||
39be4502 | 482 | nlmsvc_grant_reply(&argp->cookie, argp->status); |
1da177e4 LT |
483 | return rpc_success; |
484 | } | |
485 | ||
1da177e4 LT |
486 | /* |
487 | * NLM Server procedures. | |
488 | */ | |
489 | ||
490 | #define nlmsvc_encode_norep nlmsvc_encode_void | |
491 | #define nlmsvc_decode_norep nlmsvc_decode_void | |
492 | #define nlmsvc_decode_testres nlmsvc_decode_void | |
493 | #define nlmsvc_decode_lockres nlmsvc_decode_void | |
494 | #define nlmsvc_decode_unlockres nlmsvc_decode_void | |
495 | #define nlmsvc_decode_cancelres nlmsvc_decode_void | |
496 | #define nlmsvc_decode_grantedres nlmsvc_decode_void | |
497 | ||
498 | #define nlmsvc_proc_none nlmsvc_proc_null | |
499 | #define nlmsvc_proc_test_res nlmsvc_proc_null | |
500 | #define nlmsvc_proc_lock_res nlmsvc_proc_null | |
501 | #define nlmsvc_proc_cancel_res nlmsvc_proc_null | |
502 | #define nlmsvc_proc_unlock_res nlmsvc_proc_null | |
503 | ||
504 | struct nlm_void { int dummy; }; | |
505 | ||
506 | #define PROC(name, xargt, xrest, argt, rest, respsize) \ | |
507 | { .pc_func = (svc_procfunc) nlmsvc_proc_##name, \ | |
508 | .pc_decode = (kxdrproc_t) nlmsvc_decode_##xargt, \ | |
509 | .pc_encode = (kxdrproc_t) nlmsvc_encode_##xrest, \ | |
510 | .pc_release = NULL, \ | |
511 | .pc_argsize = sizeof(struct nlm_##argt), \ | |
512 | .pc_ressize = sizeof(struct nlm_##rest), \ | |
513 | .pc_xdrressize = respsize, \ | |
514 | } | |
515 | ||
516 | #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ | |
517 | #define St 1 /* status */ | |
518 | #define No (1+1024/4) /* Net Obj */ | |
519 | #define Rg 2 /* range - offset + size */ | |
520 | ||
521 | struct svc_procedure nlmsvc_procedures[] = { | |
522 | PROC(null, void, void, void, void, 1), | |
523 | PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg), | |
524 | PROC(lock, lockargs, res, args, res, Ck+St), | |
525 | PROC(cancel, cancargs, res, args, res, Ck+St), | |
526 | PROC(unlock, unlockargs, res, args, res, Ck+St), | |
527 | PROC(granted, testargs, res, args, res, Ck+St), | |
528 | PROC(test_msg, testargs, norep, args, void, 1), | |
529 | PROC(lock_msg, lockargs, norep, args, void, 1), | |
530 | PROC(cancel_msg, cancargs, norep, args, void, 1), | |
531 | PROC(unlock_msg, unlockargs, norep, args, void, 1), | |
532 | PROC(granted_msg, testargs, norep, args, void, 1), | |
533 | PROC(test_res, testres, norep, res, void, 1), | |
534 | PROC(lock_res, lockres, norep, res, void, 1), | |
535 | PROC(cancel_res, cancelres, norep, res, void, 1), | |
536 | PROC(unlock_res, unlockres, norep, res, void, 1), | |
537 | PROC(granted_res, res, norep, res, void, 1), | |
538 | /* statd callback */ | |
539 | PROC(sm_notify, reboot, void, reboot, void, 1), | |
540 | PROC(none, void, void, void, void, 1), | |
541 | PROC(none, void, void, void, void, 1), | |
542 | PROC(none, void, void, void, void, 1), | |
543 | PROC(share, shareargs, shareres, args, res, Ck+St+1), | |
544 | PROC(unshare, shareargs, shareres, args, res, Ck+St+1), | |
545 | PROC(nm_lock, lockargs, res, args, res, Ck+St), | |
546 | PROC(free_all, notify, void, args, void, 0), | |
547 | ||
548 | }; |