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> | |
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 | ||
1da177e4 | 24 | #ifdef CONFIG_LOCKD_V4 |
52921e02 AV |
25 | static __be32 |
26 | cast_to_nlm(__be32 status, u32 vers) | |
1da177e4 LT |
27 | { |
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: | |
5ea0d750 | 36 | case nlm_drop_reply: |
1da177e4 LT |
37 | 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 | */ | |
52921e02 | 56 | static __be32 |
1da177e4 LT |
57 | nlmsvc_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; | |
52921e02 | 63 | __be32 error = 0; |
1da177e4 LT |
64 | |
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 */ | |
db4e4c9a | 70 | if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) |
977faf39 | 71 | || (argp->monitor && nsm_monitor(host) < 0)) |
1da177e4 LT |
72 | 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 | ||
89 | no_locks: | |
b0e92aae | 90 | nlm_release_host(host); |
d343fce1 N |
91 | if (error) |
92 | return error; | |
1da177e4 LT |
93 | return nlm_lck_denied_nolocks; |
94 | } | |
95 | ||
96 | /* | |
97 | * NULL: Test for presence of service | |
98 | */ | |
7111c66e | 99 | static __be32 |
1da177e4 LT |
100 | nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) |
101 | { | |
102 | dprintk("lockd: NULL called\n"); | |
103 | return rpc_success; | |
104 | } | |
105 | ||
106 | /* | |
107 | * TEST: Check for conflicting lock | |
108 | */ | |
7111c66e | 109 | static __be32 |
1da177e4 LT |
110 | nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp, |
111 | struct nlm_res *resp) | |
112 | { | |
113 | struct nlm_host *host; | |
114 | struct nlm_file *file; | |
b7e6b869 | 115 | int rc = rpc_success; |
1da177e4 LT |
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; | |
b7e6b869 | 123 | return rc; |
1da177e4 LT |
124 | } |
125 | ||
126 | /* Obtain client and file */ | |
127 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 128 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
129 | |
130 | /* Now check for conflicting locks */ | |
8f920d5e | 131 | resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie)); |
5ea0d750 | 132 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
133 | rc = rpc_drop_reply; |
134 | else | |
135 | dprintk("lockd: TEST status %d vers %d\n", | |
136 | ntohl(resp->status), rqstp->rq_vers); | |
1da177e4 | 137 | |
1da177e4 LT |
138 | nlm_release_host(host); |
139 | nlm_release_file(file); | |
b7e6b869 | 140 | return rc; |
1da177e4 LT |
141 | } |
142 | ||
7111c66e | 143 | static __be32 |
1da177e4 LT |
144 | nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp, |
145 | struct nlm_res *resp) | |
146 | { | |
147 | struct nlm_host *host; | |
148 | struct nlm_file *file; | |
b7e6b869 | 149 | int rc = rpc_success; |
1da177e4 LT |
150 | |
151 | dprintk("lockd: LOCK called\n"); | |
152 | ||
153 | resp->cookie = argp->cookie; | |
154 | ||
155 | /* Don't accept new lock requests during grace period */ | |
156 | if (nlmsvc_grace_period && !argp->reclaim) { | |
157 | resp->status = nlm_lck_denied_grace_period; | |
b7e6b869 | 158 | return rc; |
1da177e4 LT |
159 | } |
160 | ||
161 | /* Obtain client and file */ | |
162 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 163 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
164 | |
165 | #if 0 | |
166 | /* If supplied state doesn't match current state, we assume it's | |
167 | * an old request that time-warped somehow. Any error return would | |
168 | * do in this case because it's irrelevant anyway. | |
169 | * | |
170 | * NB: We don't retrieve the remote host's state yet. | |
171 | */ | |
172 | if (host->h_nsmstate && host->h_nsmstate != argp->state) { | |
173 | resp->status = nlm_lck_denied_nolocks; | |
174 | } else | |
175 | #endif | |
176 | ||
177 | /* Now try to lock the file */ | |
6cde4de8 | 178 | resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock, |
1da177e4 | 179 | argp->block, &argp->cookie)); |
1a8322b2 | 180 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
181 | rc = rpc_drop_reply; |
182 | else | |
183 | dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); | |
1da177e4 | 184 | |
1da177e4 LT |
185 | nlm_release_host(host); |
186 | nlm_release_file(file); | |
b7e6b869 | 187 | return rc; |
1da177e4 LT |
188 | } |
189 | ||
7111c66e | 190 | static __be32 |
1da177e4 LT |
191 | nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp, |
192 | struct nlm_res *resp) | |
193 | { | |
194 | struct nlm_host *host; | |
195 | struct nlm_file *file; | |
196 | ||
197 | dprintk("lockd: CANCEL called\n"); | |
198 | ||
199 | resp->cookie = argp->cookie; | |
200 | ||
201 | /* Don't accept requests during grace period */ | |
202 | if (nlmsvc_grace_period) { | |
203 | resp->status = nlm_lck_denied_grace_period; | |
204 | return rpc_success; | |
205 | } | |
206 | ||
207 | /* Obtain client and file */ | |
208 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 209 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
210 | |
211 | /* Try to cancel request. */ | |
212 | resp->status = cast_status(nlmsvc_cancel_blocked(file, &argp->lock)); | |
213 | ||
214 | dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); | |
215 | nlm_release_host(host); | |
216 | nlm_release_file(file); | |
217 | return rpc_success; | |
218 | } | |
219 | ||
220 | /* | |
221 | * UNLOCK: release a lock | |
222 | */ | |
7111c66e | 223 | static __be32 |
1da177e4 LT |
224 | nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp, |
225 | struct nlm_res *resp) | |
226 | { | |
227 | struct nlm_host *host; | |
228 | struct nlm_file *file; | |
229 | ||
230 | dprintk("lockd: UNLOCK called\n"); | |
231 | ||
232 | resp->cookie = argp->cookie; | |
233 | ||
234 | /* Don't accept new lock requests during grace period */ | |
235 | if (nlmsvc_grace_period) { | |
236 | resp->status = nlm_lck_denied_grace_period; | |
237 | return rpc_success; | |
238 | } | |
239 | ||
240 | /* Obtain client and file */ | |
241 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 242 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
243 | |
244 | /* Now try to remove the lock */ | |
245 | resp->status = cast_status(nlmsvc_unlock(file, &argp->lock)); | |
246 | ||
247 | dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); | |
248 | nlm_release_host(host); | |
249 | nlm_release_file(file); | |
250 | return rpc_success; | |
251 | } | |
252 | ||
253 | /* | |
254 | * GRANTED: A server calls us to tell that a process' lock request | |
255 | * was granted | |
256 | */ | |
7111c66e | 257 | static __be32 |
1da177e4 LT |
258 | nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp, |
259 | struct nlm_res *resp) | |
260 | { | |
261 | resp->cookie = argp->cookie; | |
262 | ||
263 | dprintk("lockd: GRANTED called\n"); | |
27459f09 | 264 | resp->status = nlmclnt_grant(svc_addr_in(rqstp), &argp->lock); |
1da177e4 LT |
265 | dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); |
266 | return rpc_success; | |
267 | } | |
268 | ||
d4716624 TM |
269 | /* |
270 | * This is the generic lockd callback for async RPC calls | |
271 | */ | |
272 | static void nlmsvc_callback_exit(struct rpc_task *task, void *data) | |
273 | { | |
c041b5ff | 274 | dprintk("lockd: %5u callback returned %d\n", task->tk_pid, |
d4716624 TM |
275 | -task->tk_status); |
276 | } | |
277 | ||
278 | static void nlmsvc_callback_release(void *data) | |
279 | { | |
280 | nlm_release_call(data); | |
281 | } | |
282 | ||
283 | static const struct rpc_call_ops nlmsvc_callback_ops = { | |
284 | .rpc_call_done = nlmsvc_callback_exit, | |
285 | .rpc_release = nlmsvc_callback_release, | |
286 | }; | |
287 | ||
1da177e4 LT |
288 | /* |
289 | * `Async' versions of the above service routines. They aren't really, | |
290 | * because we send the callback before the reply proper. I hope this | |
291 | * doesn't break any clients. | |
292 | */ | |
7111c66e AV |
293 | static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp, |
294 | __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *)) | |
1da177e4 | 295 | { |
d4716624 TM |
296 | struct nlm_host *host; |
297 | struct nlm_rqst *call; | |
7111c66e | 298 | __be32 stat; |
1da177e4 | 299 | |
db4e4c9a OK |
300 | host = nlmsvc_lookup_host(rqstp, |
301 | argp->lock.caller, | |
302 | argp->lock.len); | |
d4716624 TM |
303 | if (host == NULL) |
304 | return rpc_system_err; | |
305 | ||
306 | call = nlm_alloc_call(host); | |
307 | if (call == NULL) | |
308 | return rpc_system_err; | |
309 | ||
310 | stat = func(rqstp, argp, &call->a_res); | |
311 | if (stat != 0) { | |
312 | nlm_release_call(call); | |
313 | return stat; | |
314 | } | |
1da177e4 | 315 | |
d4716624 TM |
316 | call->a_flags = RPC_TASK_ASYNC; |
317 | if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0) | |
318 | return rpc_system_err; | |
319 | return rpc_success; | |
1da177e4 LT |
320 | } |
321 | ||
7111c66e | 322 | static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
323 | void *resp) |
324 | { | |
d4716624 TM |
325 | dprintk("lockd: TEST_MSG called\n"); |
326 | return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test); | |
327 | } | |
1da177e4 | 328 | |
7111c66e | 329 | static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
d4716624 TM |
330 | void *resp) |
331 | { | |
1da177e4 | 332 | dprintk("lockd: LOCK_MSG called\n"); |
d4716624 | 333 | return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock); |
1da177e4 LT |
334 | } |
335 | ||
7111c66e | 336 | static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
337 | void *resp) |
338 | { | |
1da177e4 | 339 | dprintk("lockd: CANCEL_MSG called\n"); |
d4716624 | 340 | return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel); |
1da177e4 LT |
341 | } |
342 | ||
7111c66e | 343 | static __be32 |
1da177e4 LT |
344 | nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
345 | void *resp) | |
346 | { | |
1da177e4 | 347 | dprintk("lockd: UNLOCK_MSG called\n"); |
d4716624 | 348 | return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock); |
1da177e4 LT |
349 | } |
350 | ||
7111c66e | 351 | static __be32 |
1da177e4 LT |
352 | nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
353 | void *resp) | |
354 | { | |
1da177e4 | 355 | dprintk("lockd: GRANTED_MSG called\n"); |
d4716624 | 356 | return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlmsvc_proc_granted); |
1da177e4 LT |
357 | } |
358 | ||
359 | /* | |
360 | * SHARE: create a DOS share or alter existing share. | |
361 | */ | |
7111c66e | 362 | static __be32 |
1da177e4 LT |
363 | nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp, |
364 | struct nlm_res *resp) | |
365 | { | |
366 | struct nlm_host *host; | |
367 | struct nlm_file *file; | |
368 | ||
369 | dprintk("lockd: SHARE called\n"); | |
370 | ||
371 | resp->cookie = argp->cookie; | |
372 | ||
373 | /* Don't accept new lock requests during grace period */ | |
374 | if (nlmsvc_grace_period && !argp->reclaim) { | |
375 | resp->status = nlm_lck_denied_grace_period; | |
376 | return rpc_success; | |
377 | } | |
378 | ||
379 | /* Obtain client and file */ | |
380 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 381 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
382 | |
383 | /* Now try to create the share */ | |
384 | resp->status = cast_status(nlmsvc_share_file(host, file, argp)); | |
385 | ||
386 | dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); | |
387 | nlm_release_host(host); | |
388 | nlm_release_file(file); | |
389 | return rpc_success; | |
390 | } | |
391 | ||
392 | /* | |
393 | * UNSHARE: Release a DOS share. | |
394 | */ | |
7111c66e | 395 | static __be32 |
1da177e4 LT |
396 | nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp, |
397 | struct nlm_res *resp) | |
398 | { | |
399 | struct nlm_host *host; | |
400 | struct nlm_file *file; | |
401 | ||
402 | dprintk("lockd: UNSHARE called\n"); | |
403 | ||
404 | resp->cookie = argp->cookie; | |
405 | ||
406 | /* Don't accept requests during grace period */ | |
407 | if (nlmsvc_grace_period) { | |
408 | resp->status = nlm_lck_denied_grace_period; | |
409 | return rpc_success; | |
410 | } | |
411 | ||
412 | /* Obtain client and file */ | |
413 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 414 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
415 | |
416 | /* Now try to unshare the file */ | |
417 | resp->status = cast_status(nlmsvc_unshare_file(host, file, argp)); | |
418 | ||
419 | dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); | |
420 | nlm_release_host(host); | |
421 | nlm_release_file(file); | |
422 | return rpc_success; | |
423 | } | |
424 | ||
425 | /* | |
426 | * NM_LOCK: Create an unmonitored lock | |
427 | */ | |
7111c66e | 428 | static __be32 |
1da177e4 LT |
429 | nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp, |
430 | struct nlm_res *resp) | |
431 | { | |
432 | dprintk("lockd: NM_LOCK called\n"); | |
433 | ||
434 | argp->monitor = 0; /* just clean the monitor flag */ | |
435 | return nlmsvc_proc_lock(rqstp, argp, resp); | |
436 | } | |
437 | ||
438 | /* | |
439 | * FREE_ALL: Release all locks and shares held by client | |
440 | */ | |
7111c66e | 441 | static __be32 |
1da177e4 LT |
442 | nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp, |
443 | void *resp) | |
444 | { | |
445 | struct nlm_host *host; | |
446 | ||
447 | /* Obtain client */ | |
448 | if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL)) | |
449 | return rpc_success; | |
450 | ||
451 | nlmsvc_free_host_resources(host); | |
452 | nlm_release_host(host); | |
453 | return rpc_success; | |
454 | } | |
455 | ||
456 | /* | |
457 | * SM_NOTIFY: private callback from statd (not part of official NLM proto) | |
458 | */ | |
7111c66e | 459 | static __be32 |
1da177e4 LT |
460 | nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp, |
461 | void *resp) | |
462 | { | |
27459f09 CL |
463 | struct sockaddr_in saddr; |
464 | ||
465 | memcpy(&saddr, svc_addr_in(rqstp), sizeof(saddr)); | |
1da177e4 LT |
466 | |
467 | dprintk("lockd: SM_NOTIFY called\n"); | |
468 | if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK) | |
469 | || ntohs(saddr.sin_port) >= 1024) { | |
ad06e4bd CL |
470 | char buf[RPC_MAX_ADDRBUFLEN]; |
471 | printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", | |
472 | svc_print_addr(rqstp, buf, sizeof(buf))); | |
1da177e4 LT |
473 | return rpc_system_err; |
474 | } | |
475 | ||
476 | /* Obtain the host pointer for this NFS server and try to | |
477 | * reclaim all locks we hold on this server. | |
478 | */ | |
cf712c24 | 479 | memset(&saddr, 0, sizeof(saddr)); |
1da177e4 | 480 | saddr.sin_addr.s_addr = argp->addr; |
5c8dd29c | 481 | nlm_host_rebooted(&saddr, argp->mon, argp->len, argp->state); |
1da177e4 LT |
482 | |
483 | return rpc_success; | |
484 | } | |
485 | ||
486 | /* | |
487 | * client sent a GRANTED_RES, let's remove the associated block | |
488 | */ | |
7111c66e | 489 | static __be32 |
1da177e4 LT |
490 | nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp, |
491 | void *resp) | |
492 | { | |
493 | if (!nlmsvc_ops) | |
494 | return rpc_success; | |
495 | ||
496 | dprintk("lockd: GRANTED_RES called\n"); | |
497 | ||
39be4502 | 498 | nlmsvc_grant_reply(&argp->cookie, argp->status); |
1da177e4 LT |
499 | return rpc_success; |
500 | } | |
501 | ||
1da177e4 LT |
502 | /* |
503 | * NLM Server procedures. | |
504 | */ | |
505 | ||
506 | #define nlmsvc_encode_norep nlmsvc_encode_void | |
507 | #define nlmsvc_decode_norep nlmsvc_decode_void | |
508 | #define nlmsvc_decode_testres nlmsvc_decode_void | |
509 | #define nlmsvc_decode_lockres nlmsvc_decode_void | |
510 | #define nlmsvc_decode_unlockres nlmsvc_decode_void | |
511 | #define nlmsvc_decode_cancelres nlmsvc_decode_void | |
512 | #define nlmsvc_decode_grantedres nlmsvc_decode_void | |
513 | ||
514 | #define nlmsvc_proc_none nlmsvc_proc_null | |
515 | #define nlmsvc_proc_test_res nlmsvc_proc_null | |
516 | #define nlmsvc_proc_lock_res nlmsvc_proc_null | |
517 | #define nlmsvc_proc_cancel_res nlmsvc_proc_null | |
518 | #define nlmsvc_proc_unlock_res nlmsvc_proc_null | |
519 | ||
520 | struct nlm_void { int dummy; }; | |
521 | ||
522 | #define PROC(name, xargt, xrest, argt, rest, respsize) \ | |
523 | { .pc_func = (svc_procfunc) nlmsvc_proc_##name, \ | |
524 | .pc_decode = (kxdrproc_t) nlmsvc_decode_##xargt, \ | |
525 | .pc_encode = (kxdrproc_t) nlmsvc_encode_##xrest, \ | |
526 | .pc_release = NULL, \ | |
527 | .pc_argsize = sizeof(struct nlm_##argt), \ | |
528 | .pc_ressize = sizeof(struct nlm_##rest), \ | |
529 | .pc_xdrressize = respsize, \ | |
530 | } | |
531 | ||
532 | #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ | |
533 | #define St 1 /* status */ | |
534 | #define No (1+1024/4) /* Net Obj */ | |
535 | #define Rg 2 /* range - offset + size */ | |
536 | ||
537 | struct svc_procedure nlmsvc_procedures[] = { | |
538 | PROC(null, void, void, void, void, 1), | |
539 | PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg), | |
540 | PROC(lock, lockargs, res, args, res, Ck+St), | |
541 | PROC(cancel, cancargs, res, args, res, Ck+St), | |
542 | PROC(unlock, unlockargs, res, args, res, Ck+St), | |
543 | PROC(granted, testargs, res, args, res, Ck+St), | |
544 | PROC(test_msg, testargs, norep, args, void, 1), | |
545 | PROC(lock_msg, lockargs, norep, args, void, 1), | |
546 | PROC(cancel_msg, cancargs, norep, args, void, 1), | |
547 | PROC(unlock_msg, unlockargs, norep, args, void, 1), | |
548 | PROC(granted_msg, testargs, norep, args, void, 1), | |
549 | PROC(test_res, testres, norep, res, void, 1), | |
550 | PROC(lock_res, lockres, norep, res, void, 1), | |
551 | PROC(cancel_res, cancelres, norep, res, void, 1), | |
552 | PROC(unlock_res, unlockres, norep, res, void, 1), | |
553 | PROC(granted_res, res, norep, res, void, 1), | |
554 | /* statd callback */ | |
555 | PROC(sm_notify, reboot, void, reboot, void, 1), | |
556 | PROC(none, void, void, void, void, 1), | |
557 | PROC(none, void, void, void, void, 1), | |
558 | PROC(none, void, void, void, void, 1), | |
559 | PROC(share, shareargs, shareres, args, res, Ck+St+1), | |
560 | PROC(unshare, shareargs, shareres, args, res, Ck+St+1), | |
561 | PROC(nm_lock, lockargs, res, args, res, Ck+St), | |
562 | PROC(free_all, notify, void, args, void, 0), | |
563 | ||
564 | }; |