Commit | Line | Data |
---|---|---|
2b061f9e CL |
1 | /* |
2 | * linux/fs/lockd/clntxdr.c | |
3 | * | |
4 | * XDR functions to encode/decode NLM version 3 RPC arguments and results. | |
5 | * NLM version 3 is backwards compatible with NLM versions 1 and 2. | |
6 | * | |
7 | * NLM client-side only. | |
8 | * | |
9 | * Copyright (C) 2010, Oracle. All rights reserved. | |
10 | */ | |
11 | ||
12 | #include <linux/types.h> | |
13 | #include <linux/sunrpc/xdr.h> | |
14 | #include <linux/sunrpc/clnt.h> | |
15 | #include <linux/sunrpc/stats.h> | |
16 | #include <linux/lockd/lockd.h> | |
17 | ||
18 | #define NLMDBG_FACILITY NLMDBG_XDR | |
19 | ||
20 | #if (NLMCLNT_OHSIZE > XDR_MAX_NETOBJ) | |
21 | # error "NLM host name cannot be larger than XDR_MAX_NETOBJ!" | |
22 | #endif | |
23 | ||
24 | /* | |
25 | * Declare the space requirements for NLM arguments and replies as | |
26 | * number of 32bit-words | |
27 | */ | |
28 | #define NLM_cookie_sz (1+(NLM_MAXCOOKIELEN>>2)) | |
29 | #define NLM_caller_sz (1+(NLMCLNT_OHSIZE>>2)) | |
30 | #define NLM_owner_sz (1+(NLMCLNT_OHSIZE>>2)) | |
31 | #define NLM_fhandle_sz (1+(NFS2_FHSIZE>>2)) | |
32 | #define NLM_lock_sz (3+NLM_caller_sz+NLM_owner_sz+NLM_fhandle_sz) | |
33 | #define NLM_holder_sz (4+NLM_owner_sz) | |
34 | ||
35 | #define NLM_testargs_sz (NLM_cookie_sz+1+NLM_lock_sz) | |
36 | #define NLM_lockargs_sz (NLM_cookie_sz+4+NLM_lock_sz) | |
37 | #define NLM_cancargs_sz (NLM_cookie_sz+2+NLM_lock_sz) | |
38 | #define NLM_unlockargs_sz (NLM_cookie_sz+NLM_lock_sz) | |
39 | ||
40 | #define NLM_testres_sz (NLM_cookie_sz+1+NLM_holder_sz) | |
41 | #define NLM_res_sz (NLM_cookie_sz+1) | |
42 | #define NLM_norep_sz (0) | |
43 | ||
44 | ||
45 | static s32 loff_t_to_s32(loff_t offset) | |
46 | { | |
47 | s32 res; | |
48 | ||
49 | if (offset >= NLM_OFFSET_MAX) | |
50 | res = NLM_OFFSET_MAX; | |
51 | else if (offset <= -NLM_OFFSET_MAX) | |
52 | res = -NLM_OFFSET_MAX; | |
53 | else | |
54 | res = offset; | |
55 | return res; | |
56 | } | |
57 | ||
58 | static void nlm_compute_offsets(const struct nlm_lock *lock, | |
59 | u32 *l_offset, u32 *l_len) | |
60 | { | |
61 | const struct file_lock *fl = &lock->fl; | |
62 | ||
63 | BUG_ON(fl->fl_start > NLM_OFFSET_MAX); | |
64 | BUG_ON(fl->fl_end > NLM_OFFSET_MAX && | |
65 | fl->fl_end != OFFSET_MAX); | |
66 | ||
67 | *l_offset = loff_t_to_s32(fl->fl_start); | |
68 | if (fl->fl_end == OFFSET_MAX) | |
69 | *l_len = 0; | |
70 | else | |
71 | *l_len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); | |
72 | } | |
73 | ||
74 | /* | |
75 | * Handle decode buffer overflows out-of-line. | |
76 | */ | |
77 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) | |
78 | { | |
79 | dprintk("lockd: %s prematurely hit the end of our receive buffer. " | |
80 | "Remaining buffer length is %tu words.\n", | |
81 | func, xdr->end - xdr->p); | |
82 | } | |
83 | ||
84 | ||
85 | /* | |
86 | * Encode/decode NLMv3 basic data types | |
87 | * | |
88 | * Basic NLMv3 data types are not defined in an IETF standards | |
89 | * document. X/Open has a description of these data types that | |
90 | * is useful. See Chapter 10 of "Protocols for Interworking: | |
91 | * XNFS, Version 3W". | |
92 | * | |
93 | * Not all basic data types have their own encoding and decoding | |
94 | * functions. For run-time efficiency, some data types are encoded | |
95 | * or decoded inline. | |
96 | */ | |
97 | ||
98 | static void encode_bool(struct xdr_stream *xdr, const int value) | |
99 | { | |
100 | __be32 *p; | |
101 | ||
102 | p = xdr_reserve_space(xdr, 4); | |
103 | *p = value ? xdr_one : xdr_zero; | |
104 | } | |
105 | ||
106 | static void encode_int32(struct xdr_stream *xdr, const s32 value) | |
107 | { | |
108 | __be32 *p; | |
109 | ||
110 | p = xdr_reserve_space(xdr, 4); | |
111 | *p = cpu_to_be32(value); | |
112 | } | |
113 | ||
114 | /* | |
115 | * typedef opaque netobj<MAXNETOBJ_SZ> | |
116 | */ | |
117 | static void encode_netobj(struct xdr_stream *xdr, | |
118 | const u8 *data, const unsigned int length) | |
119 | { | |
120 | __be32 *p; | |
121 | ||
122 | BUG_ON(length > XDR_MAX_NETOBJ); | |
123 | p = xdr_reserve_space(xdr, 4 + length); | |
124 | xdr_encode_opaque(p, data, length); | |
125 | } | |
126 | ||
127 | static int decode_netobj(struct xdr_stream *xdr, | |
128 | struct xdr_netobj *obj) | |
129 | { | |
130 | u32 length; | |
131 | __be32 *p; | |
132 | ||
133 | p = xdr_inline_decode(xdr, 4); | |
134 | if (unlikely(p == NULL)) | |
135 | goto out_overflow; | |
136 | length = be32_to_cpup(p++); | |
137 | if (unlikely(length > XDR_MAX_NETOBJ)) | |
138 | goto out_size; | |
139 | obj->len = length; | |
140 | obj->data = (u8 *)p; | |
141 | return 0; | |
142 | out_size: | |
143 | dprintk("NFS: returned netobj was too long: %u\n", length); | |
144 | return -EIO; | |
145 | out_overflow: | |
146 | print_overflow_msg(__func__, xdr); | |
147 | return -EIO; | |
148 | } | |
149 | ||
150 | /* | |
151 | * netobj cookie; | |
152 | */ | |
153 | static void encode_cookie(struct xdr_stream *xdr, | |
154 | const struct nlm_cookie *cookie) | |
155 | { | |
156 | BUG_ON(cookie->len > NLM_MAXCOOKIELEN); | |
157 | encode_netobj(xdr, (u8 *)&cookie->data, cookie->len); | |
158 | } | |
159 | ||
160 | static int decode_cookie(struct xdr_stream *xdr, | |
161 | struct nlm_cookie *cookie) | |
162 | { | |
163 | u32 length; | |
164 | __be32 *p; | |
165 | ||
166 | p = xdr_inline_decode(xdr, 4); | |
167 | if (unlikely(p == NULL)) | |
168 | goto out_overflow; | |
169 | length = be32_to_cpup(p++); | |
170 | /* apparently HPUX can return empty cookies */ | |
171 | if (length == 0) | |
172 | goto out_hpux; | |
173 | if (length > NLM_MAXCOOKIELEN) | |
174 | goto out_size; | |
175 | p = xdr_inline_decode(xdr, length); | |
176 | if (unlikely(p == NULL)) | |
177 | goto out_overflow; | |
178 | cookie->len = length; | |
179 | memcpy(cookie->data, p, length); | |
180 | return 0; | |
181 | out_hpux: | |
182 | cookie->len = 4; | |
183 | memset(cookie->data, 0, 4); | |
184 | return 0; | |
185 | out_size: | |
186 | dprintk("NFS: returned cookie was too long: %u\n", length); | |
187 | return -EIO; | |
188 | out_overflow: | |
189 | print_overflow_msg(__func__, xdr); | |
190 | return -EIO; | |
191 | } | |
192 | ||
193 | /* | |
194 | * netobj fh; | |
195 | */ | |
196 | static void encode_fh(struct xdr_stream *xdr, const struct nfs_fh *fh) | |
197 | { | |
198 | BUG_ON(fh->size != NFS2_FHSIZE); | |
199 | encode_netobj(xdr, (u8 *)&fh->data, NFS2_FHSIZE); | |
200 | } | |
201 | ||
202 | /* | |
203 | * enum nlm_stats { | |
204 | * LCK_GRANTED = 0, | |
205 | * LCK_DENIED = 1, | |
206 | * LCK_DENIED_NOLOCKS = 2, | |
207 | * LCK_BLOCKED = 3, | |
208 | * LCK_DENIED_GRACE_PERIOD = 4 | |
209 | * }; | |
210 | * | |
211 | * | |
212 | * struct nlm_stat { | |
213 | * nlm_stats stat; | |
214 | * }; | |
215 | * | |
216 | * NB: we don't swap bytes for the NLM status values. The upper | |
217 | * layers deal directly with the status value in network byte | |
218 | * order. | |
219 | */ | |
220 | ||
221 | static void encode_nlm_stat(struct xdr_stream *xdr, | |
222 | const __be32 stat) | |
223 | { | |
224 | __be32 *p; | |
225 | ||
226 | BUG_ON(be32_to_cpu(stat) > NLM_LCK_DENIED_GRACE_PERIOD); | |
227 | p = xdr_reserve_space(xdr, 4); | |
228 | *p = stat; | |
229 | } | |
230 | ||
231 | static int decode_nlm_stat(struct xdr_stream *xdr, | |
232 | __be32 *stat) | |
233 | { | |
234 | __be32 *p; | |
235 | ||
236 | p = xdr_inline_decode(xdr, 4); | |
237 | if (unlikely(p == NULL)) | |
238 | goto out_overflow; | |
239 | if (unlikely(*p > nlm_lck_denied_grace_period)) | |
240 | goto out_enum; | |
241 | *stat = *p; | |
242 | return 0; | |
243 | out_enum: | |
244 | dprintk("%s: server returned invalid nlm_stats value: %u\n", | |
245 | __func__, be32_to_cpup(p)); | |
246 | return -EIO; | |
247 | out_overflow: | |
248 | print_overflow_msg(__func__, xdr); | |
249 | return -EIO; | |
250 | } | |
251 | ||
252 | /* | |
253 | * struct nlm_holder { | |
254 | * bool exclusive; | |
255 | * int uppid; | |
256 | * netobj oh; | |
257 | * unsigned l_offset; | |
258 | * unsigned l_len; | |
259 | * }; | |
260 | */ | |
261 | static void encode_nlm_holder(struct xdr_stream *xdr, | |
262 | const struct nlm_res *result) | |
263 | { | |
264 | const struct nlm_lock *lock = &result->lock; | |
265 | u32 l_offset, l_len; | |
266 | __be32 *p; | |
267 | ||
268 | encode_bool(xdr, lock->fl.fl_type == F_RDLCK); | |
269 | encode_int32(xdr, lock->svid); | |
270 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
271 | ||
272 | p = xdr_reserve_space(xdr, 4 + 4); | |
273 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
274 | *p++ = cpu_to_be32(l_offset); | |
275 | *p = cpu_to_be32(l_len); | |
276 | } | |
277 | ||
278 | static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result) | |
279 | { | |
280 | struct nlm_lock *lock = &result->lock; | |
281 | struct file_lock *fl = &lock->fl; | |
282 | u32 exclusive, l_offset, l_len; | |
283 | int error; | |
284 | __be32 *p; | |
285 | s32 end; | |
286 | ||
287 | memset(lock, 0, sizeof(*lock)); | |
288 | locks_init_lock(fl); | |
289 | ||
290 | p = xdr_inline_decode(xdr, 4 + 4); | |
291 | if (unlikely(p == NULL)) | |
292 | goto out_overflow; | |
293 | exclusive = be32_to_cpup(p++); | |
294 | lock->svid = be32_to_cpup(p); | |
295 | fl->fl_pid = (pid_t)lock->svid; | |
296 | ||
297 | error = decode_netobj(xdr, &lock->oh); | |
298 | if (unlikely(error)) | |
299 | goto out; | |
300 | ||
301 | p = xdr_inline_decode(xdr, 4 + 4); | |
302 | if (unlikely(p == NULL)) | |
303 | goto out_overflow; | |
304 | ||
305 | fl->fl_flags = FL_POSIX; | |
306 | fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK; | |
307 | l_offset = be32_to_cpup(p++); | |
308 | l_len = be32_to_cpup(p); | |
309 | end = l_offset + l_len - 1; | |
310 | ||
311 | fl->fl_start = (loff_t)l_offset; | |
312 | if (l_len == 0 || end < 0) | |
313 | fl->fl_end = OFFSET_MAX; | |
314 | else | |
315 | fl->fl_end = (loff_t)end; | |
316 | error = 0; | |
317 | out: | |
318 | return error; | |
319 | out_overflow: | |
320 | print_overflow_msg(__func__, xdr); | |
321 | return -EIO; | |
322 | } | |
323 | ||
324 | /* | |
325 | * string caller_name<LM_MAXSTRLEN>; | |
326 | */ | |
327 | static void encode_caller_name(struct xdr_stream *xdr, const char *name) | |
328 | { | |
329 | /* NB: client-side does not set lock->len */ | |
330 | u32 length = strlen(name); | |
331 | __be32 *p; | |
332 | ||
333 | BUG_ON(length > NLM_MAXSTRLEN); | |
334 | p = xdr_reserve_space(xdr, 4 + length); | |
335 | xdr_encode_opaque(p, name, length); | |
336 | } | |
337 | ||
338 | /* | |
339 | * struct nlm_lock { | |
340 | * string caller_name<LM_MAXSTRLEN>; | |
341 | * netobj fh; | |
342 | * netobj oh; | |
343 | * int uppid; | |
344 | * unsigned l_offset; | |
345 | * unsigned l_len; | |
346 | * }; | |
347 | */ | |
348 | static void encode_nlm_lock(struct xdr_stream *xdr, | |
349 | const struct nlm_lock *lock) | |
350 | { | |
351 | u32 l_offset, l_len; | |
352 | __be32 *p; | |
353 | ||
354 | encode_caller_name(xdr, lock->caller); | |
355 | encode_fh(xdr, &lock->fh); | |
356 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
357 | ||
358 | p = xdr_reserve_space(xdr, 4 + 4 + 4); | |
359 | *p++ = cpu_to_be32(lock->svid); | |
360 | ||
361 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
362 | *p++ = cpu_to_be32(l_offset); | |
363 | *p = cpu_to_be32(l_len); | |
364 | } | |
365 | ||
366 | ||
367 | /* | |
368 | * NLMv3 XDR encode functions | |
369 | * | |
370 | * NLMv3 argument types are defined in Chapter 10 of The Open Group's | |
371 | * "Protocols for Interworking: XNFS, Version 3W". | |
372 | */ | |
373 | ||
374 | /* | |
375 | * struct nlm_testargs { | |
376 | * netobj cookie; | |
377 | * bool exclusive; | |
378 | * struct nlm_lock alock; | |
379 | * }; | |
380 | */ | |
381 | static int nlm_xdr_enc_testargs(struct rpc_rqst *req, __be32 *p, | |
382 | const struct nlm_args *args) | |
383 | { | |
384 | const struct nlm_lock *lock = &args->lock; | |
385 | struct xdr_stream xdr; | |
386 | ||
387 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
388 | encode_cookie(&xdr, &args->cookie); | |
389 | encode_bool(&xdr, lock->fl.fl_type == F_WRLCK); | |
390 | encode_nlm_lock(&xdr, lock); | |
391 | return 0; | |
392 | } | |
393 | ||
394 | /* | |
395 | * struct nlm_lockargs { | |
396 | * netobj cookie; | |
397 | * bool block; | |
398 | * bool exclusive; | |
399 | * struct nlm_lock alock; | |
400 | * bool reclaim; | |
401 | * int state; | |
402 | * }; | |
403 | */ | |
404 | static int nlm_xdr_enc_lockargs(struct rpc_rqst *req, __be32 *p, | |
405 | const struct nlm_args *args) | |
406 | { | |
407 | const struct nlm_lock *lock = &args->lock; | |
408 | struct xdr_stream xdr; | |
409 | ||
410 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
411 | encode_cookie(&xdr, &args->cookie); | |
412 | encode_bool(&xdr, args->block); | |
413 | encode_bool(&xdr, lock->fl.fl_type == F_WRLCK); | |
414 | encode_nlm_lock(&xdr, lock); | |
415 | encode_bool(&xdr, args->reclaim); | |
416 | encode_int32(&xdr, args->state); | |
417 | return 0; | |
418 | } | |
419 | ||
420 | /* | |
421 | * struct nlm_cancargs { | |
422 | * netobj cookie; | |
423 | * bool block; | |
424 | * bool exclusive; | |
425 | * struct nlm_lock alock; | |
426 | * }; | |
427 | */ | |
428 | static int nlm_xdr_enc_cancargs(struct rpc_rqst *req, __be32 *p, | |
429 | const struct nlm_args *args) | |
430 | { | |
431 | const struct nlm_lock *lock = &args->lock; | |
432 | struct xdr_stream xdr; | |
433 | ||
434 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
435 | encode_cookie(&xdr, &args->cookie); | |
436 | encode_bool(&xdr, args->block); | |
437 | encode_bool(&xdr, lock->fl.fl_type == F_WRLCK); | |
438 | encode_nlm_lock(&xdr, lock); | |
439 | return 0; | |
440 | } | |
441 | ||
442 | /* | |
443 | * struct nlm_unlockargs { | |
444 | * netobj cookie; | |
445 | * struct nlm_lock alock; | |
446 | * }; | |
447 | */ | |
448 | static int nlm_xdr_enc_unlockargs(struct rpc_rqst *req, __be32 *p, | |
449 | const struct nlm_args *args) | |
450 | { | |
451 | const struct nlm_lock *lock = &args->lock; | |
452 | struct xdr_stream xdr; | |
453 | ||
454 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
455 | encode_cookie(&xdr, &args->cookie); | |
456 | encode_nlm_lock(&xdr, lock); | |
457 | return 0; | |
458 | } | |
459 | ||
460 | /* | |
461 | * struct nlm_res { | |
462 | * netobj cookie; | |
463 | * nlm_stat stat; | |
464 | * }; | |
465 | */ | |
466 | static int nlm_xdr_enc_res(struct rpc_rqst *req, __be32 *p, | |
467 | const struct nlm_res *result) | |
468 | { | |
469 | struct xdr_stream xdr; | |
470 | ||
471 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
472 | encode_cookie(&xdr, &result->cookie); | |
473 | encode_nlm_stat(&xdr, result->status); | |
474 | return 0; | |
475 | } | |
476 | ||
477 | /* | |
478 | * union nlm_testrply switch (nlm_stats stat) { | |
479 | * case LCK_DENIED: | |
480 | * struct nlm_holder holder; | |
481 | * default: | |
482 | * void; | |
483 | * }; | |
484 | * | |
485 | * struct nlm_testres { | |
486 | * netobj cookie; | |
487 | * nlm_testrply test_stat; | |
488 | * }; | |
489 | */ | |
490 | static void encode_nlm_testrply(struct xdr_stream *xdr, | |
491 | const struct nlm_res *result) | |
492 | { | |
493 | if (result->status == nlm_lck_denied) | |
494 | encode_nlm_holder(xdr, result); | |
495 | } | |
496 | ||
497 | static int nlm_xdr_enc_testres(struct rpc_rqst *req, __be32 *p, | |
498 | const struct nlm_res *result) | |
499 | { | |
500 | struct xdr_stream xdr; | |
501 | ||
502 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
503 | encode_cookie(&xdr, &result->cookie); | |
504 | encode_nlm_stat(&xdr, result->status); | |
505 | encode_nlm_testrply(&xdr, result); | |
506 | return 0; | |
507 | } | |
508 | ||
509 | ||
510 | /* | |
511 | * NLMv3 XDR decode functions | |
512 | * | |
513 | * NLMv3 result types are defined in Chapter 10 of The Open Group's | |
514 | * "Protocols for Interworking: XNFS, Version 3W". | |
515 | */ | |
516 | ||
517 | /* | |
518 | * union nlm_testrply switch (nlm_stats stat) { | |
519 | * case LCK_DENIED: | |
520 | * struct nlm_holder holder; | |
521 | * default: | |
522 | * void; | |
523 | * }; | |
524 | * | |
525 | * struct nlm_testres { | |
526 | * netobj cookie; | |
527 | * nlm_testrply test_stat; | |
528 | * }; | |
529 | */ | |
530 | static int decode_nlm_testrply(struct xdr_stream *xdr, | |
531 | struct nlm_res *result) | |
532 | { | |
533 | int error; | |
534 | ||
535 | error = decode_nlm_stat(xdr, &result->status); | |
536 | if (unlikely(error)) | |
537 | goto out; | |
538 | if (result->status == nlm_lck_denied) | |
539 | error = decode_nlm_holder(xdr, result); | |
540 | out: | |
541 | return error; | |
542 | } | |
543 | ||
544 | static int nlm_xdr_dec_testres(struct rpc_rqst *req, __be32 *p, | |
545 | struct nlm_res *result) | |
546 | { | |
547 | struct xdr_stream xdr; | |
548 | int error; | |
549 | ||
550 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
551 | error = decode_cookie(&xdr, &result->cookie); | |
552 | if (unlikely(error)) | |
553 | goto out; | |
554 | error = decode_nlm_testrply(&xdr, result); | |
555 | out: | |
556 | return error; | |
557 | } | |
558 | ||
559 | /* | |
560 | * struct nlm_res { | |
561 | * netobj cookie; | |
562 | * nlm_stat stat; | |
563 | * }; | |
564 | */ | |
565 | static int nlm_xdr_dec_res(struct rpc_rqst *req, __be32 *p, | |
566 | struct nlm_res *result) | |
567 | { | |
568 | struct xdr_stream xdr; | |
569 | int error; | |
570 | ||
571 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
572 | error = decode_cookie(&xdr, &result->cookie); | |
573 | if (unlikely(error)) | |
574 | goto out; | |
575 | error = decode_nlm_stat(&xdr, &result->status); | |
576 | out: | |
577 | return error; | |
578 | } | |
579 | ||
580 | ||
581 | /* | |
582 | * For NLM, a void procedure really returns nothing | |
583 | */ | |
584 | #define nlm_xdr_dec_norep NULL | |
585 | ||
586 | #define PROC(proc, argtype, restype) \ | |
587 | [NLMPROC_##proc] = { \ | |
588 | .p_proc = NLMPROC_##proc, \ | |
589 | .p_encode = (kxdrproc_t)nlm_xdr_enc_##argtype, \ | |
590 | .p_decode = (kxdrproc_t)nlm_xdr_dec_##restype, \ | |
591 | .p_arglen = NLM_##argtype##_sz, \ | |
592 | .p_replen = NLM_##restype##_sz, \ | |
593 | .p_statidx = NLMPROC_##proc, \ | |
594 | .p_name = #proc, \ | |
595 | } | |
596 | ||
597 | static struct rpc_procinfo nlm_procedures[] = { | |
598 | PROC(TEST, testargs, testres), | |
599 | PROC(LOCK, lockargs, res), | |
600 | PROC(CANCEL, cancargs, res), | |
601 | PROC(UNLOCK, unlockargs, res), | |
602 | PROC(GRANTED, testargs, res), | |
603 | PROC(TEST_MSG, testargs, norep), | |
604 | PROC(LOCK_MSG, lockargs, norep), | |
605 | PROC(CANCEL_MSG, cancargs, norep), | |
606 | PROC(UNLOCK_MSG, unlockargs, norep), | |
607 | PROC(GRANTED_MSG, testargs, norep), | |
608 | PROC(TEST_RES, testres, norep), | |
609 | PROC(LOCK_RES, res, norep), | |
610 | PROC(CANCEL_RES, res, norep), | |
611 | PROC(UNLOCK_RES, res, norep), | |
612 | PROC(GRANTED_RES, res, norep), | |
613 | }; | |
614 | ||
615 | static struct rpc_version nlm_version1 = { | |
616 | .number = 1, | |
617 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
618 | .procs = nlm_procedures, | |
619 | }; | |
620 | ||
621 | static struct rpc_version nlm_version3 = { | |
622 | .number = 3, | |
623 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
624 | .procs = nlm_procedures, | |
625 | }; | |
626 | ||
627 | static struct rpc_version *nlm_versions[] = { | |
628 | [1] = &nlm_version1, | |
629 | [3] = &nlm_version3, | |
630 | #ifdef CONFIG_LOCKD_V4 | |
631 | [4] = &nlm_version4, | |
632 | #endif | |
633 | }; | |
634 | ||
635 | static struct rpc_stat nlm_rpc_stats; | |
636 | ||
637 | struct rpc_program nlm_program = { | |
638 | .name = "lockd", | |
639 | .number = NLM_PROGRAM, | |
640 | .nrvers = ARRAY_SIZE(nlm_versions), | |
641 | .version = nlm_versions, | |
642 | .stats = &nlm_rpc_stats, | |
643 | }; |