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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
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> | |
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 LT |
18 | /* |
19 | * Obtain client and file from arguments | |
20 | */ | |
52921e02 | 21 | static __be32 |
1da177e4 LT |
22 | nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, |
23 | struct nlm_host **hostp, struct nlm_file **filp) | |
24 | { | |
25 | struct nlm_host *host = NULL; | |
26 | struct nlm_file *file = NULL; | |
27 | struct nlm_lock *lock = &argp->lock; | |
52921e02 | 28 | __be32 error = 0; |
1da177e4 LT |
29 | |
30 | /* nfsd callbacks must have been installed for this procedure */ | |
31 | if (!nlmsvc_ops) | |
32 | return nlm_lck_denied_nolocks; | |
33 | ||
34 | /* Obtain host handle */ | |
db4e4c9a | 35 | if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) |
977faf39 | 36 | || (argp->monitor && nsm_monitor(host) < 0)) |
1da177e4 LT |
37 | goto no_locks; |
38 | *hostp = host; | |
39 | ||
40 | /* Obtain file pointer. Not used by FREE_ALL call. */ | |
41 | if (filp != NULL) { | |
42 | if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0) | |
43 | goto no_locks; | |
44 | *filp = file; | |
45 | ||
46 | /* Set up the missing parts of the file_lock structure */ | |
47 | lock->fl.fl_file = file->f_file; | |
48 | lock->fl.fl_owner = (fl_owner_t) host; | |
49 | lock->fl.fl_lmops = &nlmsvc_lock_operations; | |
50 | } | |
51 | ||
52 | return 0; | |
53 | ||
54 | no_locks: | |
67216b94 | 55 | nlmsvc_release_host(host); |
1da177e4 LT |
56 | if (error) |
57 | return error; | |
58 | return nlm_lck_denied_nolocks; | |
59 | } | |
60 | ||
61 | /* | |
62 | * NULL: Test for presence of service | |
63 | */ | |
7111c66e | 64 | static __be32 |
a6beb732 | 65 | nlm4svc_proc_null(struct svc_rqst *rqstp) |
1da177e4 LT |
66 | { |
67 | dprintk("lockd: NULL called\n"); | |
68 | return rpc_success; | |
69 | } | |
70 | ||
71 | /* | |
72 | * TEST: Check for conflicting lock | |
73 | */ | |
7111c66e | 74 | static __be32 |
a6beb732 | 75 | __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp) |
1da177e4 | 76 | { |
a6beb732 | 77 | struct nlm_args *argp = rqstp->rq_argp; |
1da177e4 LT |
78 | struct nlm_host *host; |
79 | struct nlm_file *file; | |
317602f3 | 80 | __be32 rc = rpc_success; |
1da177e4 LT |
81 | |
82 | dprintk("lockd: TEST4 called\n"); | |
83 | resp->cookie = argp->cookie; | |
84 | ||
1da177e4 LT |
85 | /* Obtain client and file */ |
86 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 87 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
88 | |
89 | /* Now check for conflicting locks */ | |
8f920d5e | 90 | resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie); |
5ea0d750 | 91 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
92 | rc = rpc_drop_reply; |
93 | else | |
94 | dprintk("lockd: TEST4 status %d\n", ntohl(resp->status)); | |
1da177e4 | 95 | |
67216b94 | 96 | nlmsvc_release_host(host); |
1da177e4 | 97 | nlm_release_file(file); |
b7e6b869 | 98 | return rc; |
1da177e4 LT |
99 | } |
100 | ||
7111c66e | 101 | static __be32 |
a6beb732 | 102 | nlm4svc_proc_test(struct svc_rqst *rqstp) |
1da177e4 | 103 | { |
a6beb732 CH |
104 | return __nlm4svc_proc_test(rqstp, rqstp->rq_resp); |
105 | } | |
106 | ||
107 | static __be32 | |
108 | __nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp) | |
109 | { | |
110 | struct nlm_args *argp = rqstp->rq_argp; | |
1da177e4 LT |
111 | struct nlm_host *host; |
112 | struct nlm_file *file; | |
317602f3 | 113 | __be32 rc = rpc_success; |
1da177e4 LT |
114 | |
115 | dprintk("lockd: LOCK called\n"); | |
116 | ||
117 | resp->cookie = argp->cookie; | |
118 | ||
1da177e4 LT |
119 | /* Obtain client and file */ |
120 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 121 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
122 | |
123 | #if 0 | |
124 | /* If supplied state doesn't match current state, we assume it's | |
125 | * an old request that time-warped somehow. Any error return would | |
126 | * do in this case because it's irrelevant anyway. | |
127 | * | |
128 | * NB: We don't retrieve the remote host's state yet. | |
129 | */ | |
130 | if (host->h_nsmstate && host->h_nsmstate != argp->state) { | |
131 | resp->status = nlm_lck_denied_nolocks; | |
132 | } else | |
133 | #endif | |
134 | ||
135 | /* Now try to lock the file */ | |
6cde4de8 | 136 | resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock, |
b2b50289 BF |
137 | argp->block, &argp->cookie, |
138 | argp->reclaim); | |
1a8322b2 | 139 | if (resp->status == nlm_drop_reply) |
b7e6b869 OD |
140 | rc = rpc_drop_reply; |
141 | else | |
142 | dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); | |
1da177e4 | 143 | |
67216b94 | 144 | nlmsvc_release_host(host); |
1da177e4 | 145 | nlm_release_file(file); |
b7e6b869 | 146 | return rc; |
1da177e4 LT |
147 | } |
148 | ||
7111c66e | 149 | static __be32 |
a6beb732 CH |
150 | nlm4svc_proc_lock(struct svc_rqst *rqstp) |
151 | { | |
152 | return __nlm4svc_proc_lock(rqstp, rqstp->rq_resp); | |
153 | } | |
154 | ||
155 | static __be32 | |
156 | __nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp) | |
1da177e4 | 157 | { |
a6beb732 | 158 | struct nlm_args *argp = rqstp->rq_argp; |
1da177e4 LT |
159 | struct nlm_host *host; |
160 | struct nlm_file *file; | |
161 | ||
162 | dprintk("lockd: CANCEL called\n"); | |
163 | ||
164 | resp->cookie = argp->cookie; | |
165 | ||
166 | /* Don't accept requests during grace period */ | |
5ccb0066 | 167 | if (locks_in_grace(SVC_NET(rqstp))) { |
1da177e4 LT |
168 | resp->status = nlm_lck_denied_grace_period; |
169 | return rpc_success; | |
170 | } | |
171 | ||
172 | /* Obtain client and file */ | |
173 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 174 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
175 | |
176 | /* Try to cancel request. */ | |
5ccb0066 | 177 | resp->status = nlmsvc_cancel_blocked(SVC_NET(rqstp), file, &argp->lock); |
1da177e4 LT |
178 | |
179 | dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); | |
67216b94 | 180 | nlmsvc_release_host(host); |
1da177e4 LT |
181 | nlm_release_file(file); |
182 | return rpc_success; | |
183 | } | |
184 | ||
a6beb732 CH |
185 | static __be32 |
186 | nlm4svc_proc_cancel(struct svc_rqst *rqstp) | |
187 | { | |
188 | return __nlm4svc_proc_cancel(rqstp, rqstp->rq_resp); | |
189 | } | |
190 | ||
1da177e4 LT |
191 | /* |
192 | * UNLOCK: release a lock | |
193 | */ | |
7111c66e | 194 | static __be32 |
a6beb732 | 195 | __nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp) |
1da177e4 | 196 | { |
a6beb732 | 197 | struct nlm_args *argp = rqstp->rq_argp; |
1da177e4 LT |
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 */ | |
5ccb0066 | 206 | if (locks_in_grace(SVC_NET(rqstp))) { |
1da177e4 LT |
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))) | |
d343fce1 | 213 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
214 | |
215 | /* Now try to remove the lock */ | |
5ccb0066 | 216 | resp->status = nlmsvc_unlock(SVC_NET(rqstp), file, &argp->lock); |
1da177e4 LT |
217 | |
218 | dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); | |
67216b94 | 219 | nlmsvc_release_host(host); |
1da177e4 LT |
220 | nlm_release_file(file); |
221 | return rpc_success; | |
222 | } | |
223 | ||
a6beb732 CH |
224 | static __be32 |
225 | nlm4svc_proc_unlock(struct svc_rqst *rqstp) | |
226 | { | |
227 | return __nlm4svc_proc_unlock(rqstp, rqstp->rq_resp); | |
228 | } | |
229 | ||
1da177e4 LT |
230 | /* |
231 | * GRANTED: A server calls us to tell that a process' lock request | |
232 | * was granted | |
233 | */ | |
7111c66e | 234 | static __be32 |
a6beb732 | 235 | __nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp) |
1da177e4 | 236 | { |
a6beb732 CH |
237 | struct nlm_args *argp = rqstp->rq_argp; |
238 | ||
1da177e4 LT |
239 | resp->cookie = argp->cookie; |
240 | ||
241 | dprintk("lockd: GRANTED called\n"); | |
dcff09f1 | 242 | resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock); |
1da177e4 LT |
243 | dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); |
244 | return rpc_success; | |
245 | } | |
246 | ||
a6beb732 CH |
247 | static __be32 |
248 | nlm4svc_proc_granted(struct svc_rqst *rqstp) | |
249 | { | |
250 | return __nlm4svc_proc_granted(rqstp, rqstp->rq_resp); | |
251 | } | |
252 | ||
d4716624 TM |
253 | /* |
254 | * This is the generic lockd callback for async RPC calls | |
255 | */ | |
256 | static void nlm4svc_callback_exit(struct rpc_task *task, void *data) | |
257 | { | |
c041b5ff | 258 | dprintk("lockd: %5u callback returned %d\n", task->tk_pid, |
d4716624 TM |
259 | -task->tk_status); |
260 | } | |
261 | ||
262 | static void nlm4svc_callback_release(void *data) | |
263 | { | |
7db836d4 | 264 | nlmsvc_release_call(data); |
d4716624 TM |
265 | } |
266 | ||
267 | static const struct rpc_call_ops nlm4svc_callback_ops = { | |
268 | .rpc_call_done = nlm4svc_callback_exit, | |
269 | .rpc_release = nlm4svc_callback_release, | |
270 | }; | |
271 | ||
1da177e4 LT |
272 | /* |
273 | * `Async' versions of the above service routines. They aren't really, | |
274 | * because we send the callback before the reply proper. I hope this | |
275 | * doesn't break any clients. | |
276 | */ | |
a6beb732 CH |
277 | static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, |
278 | __be32 (*func)(struct svc_rqst *, struct nlm_res *)) | |
1da177e4 | 279 | { |
a6beb732 | 280 | struct nlm_args *argp = rqstp->rq_argp; |
d4716624 TM |
281 | struct nlm_host *host; |
282 | struct nlm_rqst *call; | |
7111c66e | 283 | __be32 stat; |
1da177e4 | 284 | |
db4e4c9a OK |
285 | host = nlmsvc_lookup_host(rqstp, |
286 | argp->lock.caller, | |
287 | argp->lock.len); | |
d4716624 TM |
288 | if (host == NULL) |
289 | return rpc_system_err; | |
290 | ||
291 | call = nlm_alloc_call(host); | |
446945ab | 292 | nlmsvc_release_host(host); |
d4716624 TM |
293 | if (call == NULL) |
294 | return rpc_system_err; | |
295 | ||
a6beb732 | 296 | stat = func(rqstp, &call->a_res); |
d4716624 | 297 | if (stat != 0) { |
7db836d4 | 298 | nlmsvc_release_call(call); |
d4716624 TM |
299 | return stat; |
300 | } | |
1da177e4 | 301 | |
d4716624 TM |
302 | call->a_flags = RPC_TASK_ASYNC; |
303 | if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0) | |
304 | return rpc_system_err; | |
305 | return rpc_success; | |
1da177e4 LT |
306 | } |
307 | ||
a6beb732 | 308 | static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp) |
1da177e4 | 309 | { |
d4716624 | 310 | dprintk("lockd: TEST_MSG called\n"); |
a6beb732 | 311 | return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, __nlm4svc_proc_test); |
d4716624 | 312 | } |
1da177e4 | 313 | |
a6beb732 | 314 | static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp) |
d4716624 | 315 | { |
1da177e4 | 316 | dprintk("lockd: LOCK_MSG called\n"); |
a6beb732 | 317 | return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, __nlm4svc_proc_lock); |
1da177e4 LT |
318 | } |
319 | ||
a6beb732 | 320 | static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp) |
1da177e4 | 321 | { |
1da177e4 | 322 | dprintk("lockd: CANCEL_MSG called\n"); |
a6beb732 | 323 | return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, __nlm4svc_proc_cancel); |
1da177e4 LT |
324 | } |
325 | ||
a6beb732 | 326 | static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp) |
1da177e4 | 327 | { |
1da177e4 | 328 | dprintk("lockd: UNLOCK_MSG called\n"); |
a6beb732 | 329 | return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlm4svc_proc_unlock); |
1da177e4 LT |
330 | } |
331 | ||
a6beb732 | 332 | static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp) |
1da177e4 | 333 | { |
1da177e4 | 334 | dprintk("lockd: GRANTED_MSG called\n"); |
a6beb732 | 335 | return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, __nlm4svc_proc_granted); |
1da177e4 LT |
336 | } |
337 | ||
338 | /* | |
339 | * SHARE: create a DOS share or alter existing share. | |
340 | */ | |
7111c66e | 341 | static __be32 |
a6beb732 | 342 | nlm4svc_proc_share(struct svc_rqst *rqstp) |
1da177e4 | 343 | { |
a6beb732 CH |
344 | struct nlm_args *argp = rqstp->rq_argp; |
345 | struct nlm_res *resp = rqstp->rq_resp; | |
1da177e4 LT |
346 | struct nlm_host *host; |
347 | struct nlm_file *file; | |
348 | ||
349 | dprintk("lockd: SHARE called\n"); | |
350 | ||
351 | resp->cookie = argp->cookie; | |
352 | ||
353 | /* Don't accept new lock requests during grace period */ | |
5ccb0066 | 354 | if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) { |
1da177e4 LT |
355 | resp->status = nlm_lck_denied_grace_period; |
356 | return rpc_success; | |
357 | } | |
358 | ||
359 | /* Obtain client and file */ | |
360 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 361 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
362 | |
363 | /* Now try to create the share */ | |
364 | resp->status = nlmsvc_share_file(host, file, argp); | |
365 | ||
366 | dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); | |
67216b94 | 367 | nlmsvc_release_host(host); |
1da177e4 LT |
368 | nlm_release_file(file); |
369 | return rpc_success; | |
370 | } | |
371 | ||
372 | /* | |
373 | * UNSHARE: Release a DOS share. | |
374 | */ | |
7111c66e | 375 | static __be32 |
a6beb732 | 376 | nlm4svc_proc_unshare(struct svc_rqst *rqstp) |
1da177e4 | 377 | { |
a6beb732 CH |
378 | struct nlm_args *argp = rqstp->rq_argp; |
379 | struct nlm_res *resp = rqstp->rq_resp; | |
1da177e4 LT |
380 | struct nlm_host *host; |
381 | struct nlm_file *file; | |
382 | ||
383 | dprintk("lockd: UNSHARE called\n"); | |
384 | ||
385 | resp->cookie = argp->cookie; | |
386 | ||
387 | /* Don't accept requests during grace period */ | |
5ccb0066 | 388 | if (locks_in_grace(SVC_NET(rqstp))) { |
1da177e4 LT |
389 | resp->status = nlm_lck_denied_grace_period; |
390 | return rpc_success; | |
391 | } | |
392 | ||
393 | /* Obtain client and file */ | |
394 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
d343fce1 | 395 | return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; |
1da177e4 LT |
396 | |
397 | /* Now try to lock the file */ | |
398 | resp->status = nlmsvc_unshare_file(host, file, argp); | |
399 | ||
400 | dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); | |
67216b94 | 401 | nlmsvc_release_host(host); |
1da177e4 LT |
402 | nlm_release_file(file); |
403 | return rpc_success; | |
404 | } | |
405 | ||
406 | /* | |
407 | * NM_LOCK: Create an unmonitored lock | |
408 | */ | |
7111c66e | 409 | static __be32 |
a6beb732 | 410 | nlm4svc_proc_nm_lock(struct svc_rqst *rqstp) |
1da177e4 | 411 | { |
a6beb732 CH |
412 | struct nlm_args *argp = rqstp->rq_argp; |
413 | ||
1da177e4 LT |
414 | dprintk("lockd: NM_LOCK called\n"); |
415 | ||
416 | argp->monitor = 0; /* just clean the monitor flag */ | |
a6beb732 | 417 | return nlm4svc_proc_lock(rqstp); |
1da177e4 LT |
418 | } |
419 | ||
420 | /* | |
421 | * FREE_ALL: Release all locks and shares held by client | |
422 | */ | |
7111c66e | 423 | static __be32 |
a6beb732 | 424 | nlm4svc_proc_free_all(struct svc_rqst *rqstp) |
1da177e4 | 425 | { |
a6beb732 | 426 | struct nlm_args *argp = rqstp->rq_argp; |
1da177e4 LT |
427 | struct nlm_host *host; |
428 | ||
429 | /* Obtain client */ | |
430 | if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL)) | |
431 | return rpc_success; | |
432 | ||
433 | nlmsvc_free_host_resources(host); | |
67216b94 | 434 | nlmsvc_release_host(host); |
1da177e4 LT |
435 | return rpc_success; |
436 | } | |
437 | ||
438 | /* | |
439 | * SM_NOTIFY: private callback from statd (not part of official NLM proto) | |
440 | */ | |
7111c66e | 441 | static __be32 |
a6beb732 | 442 | nlm4svc_proc_sm_notify(struct svc_rqst *rqstp) |
1da177e4 | 443 | { |
a6beb732 CH |
444 | struct nlm_reboot *argp = rqstp->rq_argp; |
445 | ||
1da177e4 | 446 | dprintk("lockd: SM_NOTIFY called\n"); |
b85e4676 CL |
447 | |
448 | if (!nlm_privileged_requester(rqstp)) { | |
ad06e4bd CL |
449 | char buf[RPC_MAX_ADDRBUFLEN]; |
450 | printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", | |
451 | svc_print_addr(rqstp, buf, sizeof(buf))); | |
1da177e4 LT |
452 | return rpc_system_err; |
453 | } | |
454 | ||
0ad95472 | 455 | nlm_host_rebooted(SVC_NET(rqstp), argp); |
1da177e4 LT |
456 | return rpc_success; |
457 | } | |
458 | ||
459 | /* | |
460 | * client sent a GRANTED_RES, let's remove the associated block | |
461 | */ | |
7111c66e | 462 | static __be32 |
a6beb732 | 463 | nlm4svc_proc_granted_res(struct svc_rqst *rqstp) |
1da177e4 | 464 | { |
a6beb732 CH |
465 | struct nlm_res *argp = rqstp->rq_argp; |
466 | ||
1da177e4 LT |
467 | if (!nlmsvc_ops) |
468 | return rpc_success; | |
469 | ||
470 | dprintk("lockd: GRANTED_RES called\n"); | |
471 | ||
39be4502 | 472 | nlmsvc_grant_reply(&argp->cookie, argp->status); |
1da177e4 LT |
473 | return rpc_success; |
474 | } | |
475 | ||
476 | ||
1da177e4 LT |
477 | /* |
478 | * NLM Server procedures. | |
479 | */ | |
480 | ||
481 | #define nlm4svc_encode_norep nlm4svc_encode_void | |
482 | #define nlm4svc_decode_norep nlm4svc_decode_void | |
483 | #define nlm4svc_decode_testres nlm4svc_decode_void | |
484 | #define nlm4svc_decode_lockres nlm4svc_decode_void | |
485 | #define nlm4svc_decode_unlockres nlm4svc_decode_void | |
486 | #define nlm4svc_decode_cancelres nlm4svc_decode_void | |
487 | #define nlm4svc_decode_grantedres nlm4svc_decode_void | |
488 | ||
489 | #define nlm4svc_proc_none nlm4svc_proc_null | |
490 | #define nlm4svc_proc_test_res nlm4svc_proc_null | |
491 | #define nlm4svc_proc_lock_res nlm4svc_proc_null | |
492 | #define nlm4svc_proc_cancel_res nlm4svc_proc_null | |
493 | #define nlm4svc_proc_unlock_res nlm4svc_proc_null | |
494 | ||
495 | struct nlm_void { int dummy; }; | |
496 | ||
497 | #define PROC(name, xargt, xrest, argt, rest, respsize) \ | |
a6beb732 | 498 | { .pc_func = nlm4svc_proc_##name, \ |
026fec7e | 499 | .pc_decode = nlm4svc_decode_##xargt, \ |
63f8de37 | 500 | .pc_encode = nlm4svc_encode_##xrest, \ |
1da177e4 LT |
501 | .pc_release = NULL, \ |
502 | .pc_argsize = sizeof(struct nlm_##argt), \ | |
503 | .pc_ressize = sizeof(struct nlm_##rest), \ | |
504 | .pc_xdrressize = respsize, \ | |
505 | } | |
506 | #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ | |
507 | #define No (1+1024/4) /* netobj */ | |
508 | #define St 1 /* status */ | |
509 | #define Rg 4 /* range (offset + length) */ | |
860bda29 | 510 | const struct svc_procedure nlmsvc_procedures4[] = { |
1da177e4 LT |
511 | PROC(null, void, void, void, void, 1), |
512 | PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg), | |
513 | PROC(lock, lockargs, res, args, res, Ck+St), | |
514 | PROC(cancel, cancargs, res, args, res, Ck+St), | |
515 | PROC(unlock, unlockargs, res, args, res, Ck+St), | |
516 | PROC(granted, testargs, res, args, res, Ck+St), | |
517 | PROC(test_msg, testargs, norep, args, void, 1), | |
518 | PROC(lock_msg, lockargs, norep, args, void, 1), | |
519 | PROC(cancel_msg, cancargs, norep, args, void, 1), | |
520 | PROC(unlock_msg, unlockargs, norep, args, void, 1), | |
521 | PROC(granted_msg, testargs, norep, args, void, 1), | |
522 | PROC(test_res, testres, norep, res, void, 1), | |
523 | PROC(lock_res, lockres, norep, res, void, 1), | |
524 | PROC(cancel_res, cancelres, norep, res, void, 1), | |
525 | PROC(unlock_res, unlockres, norep, res, void, 1), | |
526 | PROC(granted_res, res, norep, res, void, 1), | |
527 | /* statd callback */ | |
528 | PROC(sm_notify, reboot, void, reboot, void, 1), | |
529 | PROC(none, void, void, void, void, 0), | |
530 | PROC(none, void, void, void, void, 0), | |
531 | PROC(none, void, void, void, void, 0), | |
532 | PROC(share, shareargs, shareres, args, res, Ck+St+1), | |
533 | PROC(unshare, shareargs, shareres, args, res, Ck+St+1), | |
534 | PROC(nm_lock, lockargs, res, args, res, Ck+St), | |
535 | PROC(free_all, notify, void, args, void, 1), | |
536 | ||
537 | }; |