Commit | Line | Data |
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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 | ||
2b061f9e CL |
63 | *l_offset = loff_t_to_s32(fl->fl_start); |
64 | if (fl->fl_end == OFFSET_MAX) | |
65 | *l_len = 0; | |
66 | else | |
67 | *l_len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); | |
68 | } | |
69 | ||
70 | /* | |
71 | * Handle decode buffer overflows out-of-line. | |
72 | */ | |
73 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) | |
74 | { | |
75 | dprintk("lockd: %s prematurely hit the end of our receive buffer. " | |
76 | "Remaining buffer length is %tu words.\n", | |
77 | func, xdr->end - xdr->p); | |
78 | } | |
79 | ||
80 | ||
81 | /* | |
82 | * Encode/decode NLMv3 basic data types | |
83 | * | |
84 | * Basic NLMv3 data types are not defined in an IETF standards | |
85 | * document. X/Open has a description of these data types that | |
86 | * is useful. See Chapter 10 of "Protocols for Interworking: | |
87 | * XNFS, Version 3W". | |
88 | * | |
89 | * Not all basic data types have their own encoding and decoding | |
90 | * functions. For run-time efficiency, some data types are encoded | |
91 | * or decoded inline. | |
92 | */ | |
93 | ||
94 | static void encode_bool(struct xdr_stream *xdr, const int value) | |
95 | { | |
96 | __be32 *p; | |
97 | ||
98 | p = xdr_reserve_space(xdr, 4); | |
99 | *p = value ? xdr_one : xdr_zero; | |
100 | } | |
101 | ||
102 | static void encode_int32(struct xdr_stream *xdr, const s32 value) | |
103 | { | |
104 | __be32 *p; | |
105 | ||
106 | p = xdr_reserve_space(xdr, 4); | |
107 | *p = cpu_to_be32(value); | |
108 | } | |
109 | ||
110 | /* | |
111 | * typedef opaque netobj<MAXNETOBJ_SZ> | |
112 | */ | |
113 | static void encode_netobj(struct xdr_stream *xdr, | |
114 | const u8 *data, const unsigned int length) | |
115 | { | |
116 | __be32 *p; | |
117 | ||
2b061f9e CL |
118 | p = xdr_reserve_space(xdr, 4 + length); |
119 | xdr_encode_opaque(p, data, length); | |
120 | } | |
121 | ||
122 | static int decode_netobj(struct xdr_stream *xdr, | |
123 | struct xdr_netobj *obj) | |
124 | { | |
125 | u32 length; | |
126 | __be32 *p; | |
127 | ||
128 | p = xdr_inline_decode(xdr, 4); | |
129 | if (unlikely(p == NULL)) | |
130 | goto out_overflow; | |
131 | length = be32_to_cpup(p++); | |
132 | if (unlikely(length > XDR_MAX_NETOBJ)) | |
133 | goto out_size; | |
134 | obj->len = length; | |
135 | obj->data = (u8 *)p; | |
136 | return 0; | |
137 | out_size: | |
138 | dprintk("NFS: returned netobj was too long: %u\n", length); | |
139 | return -EIO; | |
140 | out_overflow: | |
141 | print_overflow_msg(__func__, xdr); | |
142 | return -EIO; | |
143 | } | |
144 | ||
145 | /* | |
146 | * netobj cookie; | |
147 | */ | |
148 | static void encode_cookie(struct xdr_stream *xdr, | |
149 | const struct nlm_cookie *cookie) | |
150 | { | |
2b061f9e CL |
151 | encode_netobj(xdr, (u8 *)&cookie->data, cookie->len); |
152 | } | |
153 | ||
154 | static int decode_cookie(struct xdr_stream *xdr, | |
155 | struct nlm_cookie *cookie) | |
156 | { | |
157 | u32 length; | |
158 | __be32 *p; | |
159 | ||
160 | p = xdr_inline_decode(xdr, 4); | |
161 | if (unlikely(p == NULL)) | |
162 | goto out_overflow; | |
163 | length = be32_to_cpup(p++); | |
164 | /* apparently HPUX can return empty cookies */ | |
165 | if (length == 0) | |
166 | goto out_hpux; | |
167 | if (length > NLM_MAXCOOKIELEN) | |
168 | goto out_size; | |
169 | p = xdr_inline_decode(xdr, length); | |
170 | if (unlikely(p == NULL)) | |
171 | goto out_overflow; | |
172 | cookie->len = length; | |
173 | memcpy(cookie->data, p, length); | |
174 | return 0; | |
175 | out_hpux: | |
176 | cookie->len = 4; | |
177 | memset(cookie->data, 0, 4); | |
178 | return 0; | |
179 | out_size: | |
180 | dprintk("NFS: returned cookie was too long: %u\n", length); | |
181 | return -EIO; | |
182 | out_overflow: | |
183 | print_overflow_msg(__func__, xdr); | |
184 | return -EIO; | |
185 | } | |
186 | ||
187 | /* | |
188 | * netobj fh; | |
189 | */ | |
190 | static void encode_fh(struct xdr_stream *xdr, const struct nfs_fh *fh) | |
191 | { | |
2b061f9e CL |
192 | encode_netobj(xdr, (u8 *)&fh->data, NFS2_FHSIZE); |
193 | } | |
194 | ||
195 | /* | |
196 | * enum nlm_stats { | |
197 | * LCK_GRANTED = 0, | |
198 | * LCK_DENIED = 1, | |
199 | * LCK_DENIED_NOLOCKS = 2, | |
200 | * LCK_BLOCKED = 3, | |
201 | * LCK_DENIED_GRACE_PERIOD = 4 | |
202 | * }; | |
203 | * | |
204 | * | |
205 | * struct nlm_stat { | |
206 | * nlm_stats stat; | |
207 | * }; | |
208 | * | |
209 | * NB: we don't swap bytes for the NLM status values. The upper | |
210 | * layers deal directly with the status value in network byte | |
211 | * order. | |
212 | */ | |
213 | ||
214 | static void encode_nlm_stat(struct xdr_stream *xdr, | |
215 | const __be32 stat) | |
216 | { | |
217 | __be32 *p; | |
218 | ||
cd0b16c1 | 219 | WARN_ON_ONCE(be32_to_cpu(stat) > NLM_LCK_DENIED_GRACE_PERIOD); |
2b061f9e CL |
220 | p = xdr_reserve_space(xdr, 4); |
221 | *p = stat; | |
222 | } | |
223 | ||
224 | static int decode_nlm_stat(struct xdr_stream *xdr, | |
225 | __be32 *stat) | |
226 | { | |
227 | __be32 *p; | |
228 | ||
229 | p = xdr_inline_decode(xdr, 4); | |
230 | if (unlikely(p == NULL)) | |
231 | goto out_overflow; | |
e847469b | 232 | if (unlikely(ntohl(*p) > ntohl(nlm_lck_denied_grace_period))) |
2b061f9e CL |
233 | goto out_enum; |
234 | *stat = *p; | |
235 | return 0; | |
236 | out_enum: | |
237 | dprintk("%s: server returned invalid nlm_stats value: %u\n", | |
238 | __func__, be32_to_cpup(p)); | |
239 | return -EIO; | |
240 | out_overflow: | |
241 | print_overflow_msg(__func__, xdr); | |
242 | return -EIO; | |
243 | } | |
244 | ||
245 | /* | |
246 | * struct nlm_holder { | |
247 | * bool exclusive; | |
248 | * int uppid; | |
249 | * netobj oh; | |
250 | * unsigned l_offset; | |
251 | * unsigned l_len; | |
252 | * }; | |
253 | */ | |
254 | static void encode_nlm_holder(struct xdr_stream *xdr, | |
255 | const struct nlm_res *result) | |
256 | { | |
257 | const struct nlm_lock *lock = &result->lock; | |
258 | u32 l_offset, l_len; | |
259 | __be32 *p; | |
260 | ||
261 | encode_bool(xdr, lock->fl.fl_type == F_RDLCK); | |
262 | encode_int32(xdr, lock->svid); | |
263 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
264 | ||
265 | p = xdr_reserve_space(xdr, 4 + 4); | |
266 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
267 | *p++ = cpu_to_be32(l_offset); | |
268 | *p = cpu_to_be32(l_len); | |
269 | } | |
270 | ||
271 | static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result) | |
272 | { | |
273 | struct nlm_lock *lock = &result->lock; | |
274 | struct file_lock *fl = &lock->fl; | |
275 | u32 exclusive, l_offset, l_len; | |
276 | int error; | |
277 | __be32 *p; | |
278 | s32 end; | |
279 | ||
280 | memset(lock, 0, sizeof(*lock)); | |
281 | locks_init_lock(fl); | |
282 | ||
283 | p = xdr_inline_decode(xdr, 4 + 4); | |
284 | if (unlikely(p == NULL)) | |
285 | goto out_overflow; | |
286 | exclusive = be32_to_cpup(p++); | |
287 | lock->svid = be32_to_cpup(p); | |
288 | fl->fl_pid = (pid_t)lock->svid; | |
289 | ||
290 | error = decode_netobj(xdr, &lock->oh); | |
291 | if (unlikely(error)) | |
292 | goto out; | |
293 | ||
294 | p = xdr_inline_decode(xdr, 4 + 4); | |
295 | if (unlikely(p == NULL)) | |
296 | goto out_overflow; | |
297 | ||
298 | fl->fl_flags = FL_POSIX; | |
299 | fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK; | |
300 | l_offset = be32_to_cpup(p++); | |
301 | l_len = be32_to_cpup(p); | |
302 | end = l_offset + l_len - 1; | |
303 | ||
304 | fl->fl_start = (loff_t)l_offset; | |
305 | if (l_len == 0 || end < 0) | |
306 | fl->fl_end = OFFSET_MAX; | |
307 | else | |
308 | fl->fl_end = (loff_t)end; | |
309 | error = 0; | |
310 | out: | |
311 | return error; | |
312 | out_overflow: | |
313 | print_overflow_msg(__func__, xdr); | |
314 | return -EIO; | |
315 | } | |
316 | ||
317 | /* | |
318 | * string caller_name<LM_MAXSTRLEN>; | |
319 | */ | |
320 | static void encode_caller_name(struct xdr_stream *xdr, const char *name) | |
321 | { | |
322 | /* NB: client-side does not set lock->len */ | |
323 | u32 length = strlen(name); | |
324 | __be32 *p; | |
325 | ||
2b061f9e CL |
326 | p = xdr_reserve_space(xdr, 4 + length); |
327 | xdr_encode_opaque(p, name, length); | |
328 | } | |
329 | ||
330 | /* | |
331 | * struct nlm_lock { | |
332 | * string caller_name<LM_MAXSTRLEN>; | |
333 | * netobj fh; | |
334 | * netobj oh; | |
335 | * int uppid; | |
336 | * unsigned l_offset; | |
337 | * unsigned l_len; | |
338 | * }; | |
339 | */ | |
340 | static void encode_nlm_lock(struct xdr_stream *xdr, | |
341 | const struct nlm_lock *lock) | |
342 | { | |
343 | u32 l_offset, l_len; | |
344 | __be32 *p; | |
345 | ||
346 | encode_caller_name(xdr, lock->caller); | |
347 | encode_fh(xdr, &lock->fh); | |
348 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
349 | ||
350 | p = xdr_reserve_space(xdr, 4 + 4 + 4); | |
351 | *p++ = cpu_to_be32(lock->svid); | |
352 | ||
353 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
354 | *p++ = cpu_to_be32(l_offset); | |
355 | *p = cpu_to_be32(l_len); | |
356 | } | |
357 | ||
358 | ||
359 | /* | |
360 | * NLMv3 XDR encode functions | |
361 | * | |
362 | * NLMv3 argument types are defined in Chapter 10 of The Open Group's | |
363 | * "Protocols for Interworking: XNFS, Version 3W". | |
364 | */ | |
365 | ||
366 | /* | |
367 | * struct nlm_testargs { | |
368 | * netobj cookie; | |
369 | * bool exclusive; | |
370 | * struct nlm_lock alock; | |
371 | * }; | |
372 | */ | |
9f06c719 CL |
373 | static void nlm_xdr_enc_testargs(struct rpc_rqst *req, |
374 | struct xdr_stream *xdr, | |
375 | const struct nlm_args *args) | |
2b061f9e CL |
376 | { |
377 | const struct nlm_lock *lock = &args->lock; | |
2b061f9e | 378 | |
9f06c719 CL |
379 | encode_cookie(xdr, &args->cookie); |
380 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
381 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
382 | } |
383 | ||
384 | /* | |
385 | * struct nlm_lockargs { | |
386 | * netobj cookie; | |
387 | * bool block; | |
388 | * bool exclusive; | |
389 | * struct nlm_lock alock; | |
390 | * bool reclaim; | |
391 | * int state; | |
392 | * }; | |
393 | */ | |
9f06c719 CL |
394 | static void nlm_xdr_enc_lockargs(struct rpc_rqst *req, |
395 | struct xdr_stream *xdr, | |
396 | const struct nlm_args *args) | |
2b061f9e CL |
397 | { |
398 | const struct nlm_lock *lock = &args->lock; | |
2b061f9e | 399 | |
9f06c719 CL |
400 | encode_cookie(xdr, &args->cookie); |
401 | encode_bool(xdr, args->block); | |
402 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
403 | encode_nlm_lock(xdr, lock); | |
404 | encode_bool(xdr, args->reclaim); | |
405 | encode_int32(xdr, args->state); | |
2b061f9e CL |
406 | } |
407 | ||
408 | /* | |
409 | * struct nlm_cancargs { | |
410 | * netobj cookie; | |
411 | * bool block; | |
412 | * bool exclusive; | |
413 | * struct nlm_lock alock; | |
414 | * }; | |
415 | */ | |
9f06c719 CL |
416 | static void nlm_xdr_enc_cancargs(struct rpc_rqst *req, |
417 | struct xdr_stream *xdr, | |
418 | const struct nlm_args *args) | |
2b061f9e CL |
419 | { |
420 | const struct nlm_lock *lock = &args->lock; | |
2b061f9e | 421 | |
9f06c719 CL |
422 | encode_cookie(xdr, &args->cookie); |
423 | encode_bool(xdr, args->block); | |
424 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
425 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
426 | } |
427 | ||
428 | /* | |
429 | * struct nlm_unlockargs { | |
430 | * netobj cookie; | |
431 | * struct nlm_lock alock; | |
432 | * }; | |
433 | */ | |
9f06c719 CL |
434 | static void nlm_xdr_enc_unlockargs(struct rpc_rqst *req, |
435 | struct xdr_stream *xdr, | |
436 | const struct nlm_args *args) | |
2b061f9e CL |
437 | { |
438 | const struct nlm_lock *lock = &args->lock; | |
2b061f9e | 439 | |
9f06c719 CL |
440 | encode_cookie(xdr, &args->cookie); |
441 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
442 | } |
443 | ||
444 | /* | |
445 | * struct nlm_res { | |
446 | * netobj cookie; | |
447 | * nlm_stat stat; | |
448 | * }; | |
449 | */ | |
9f06c719 CL |
450 | static void nlm_xdr_enc_res(struct rpc_rqst *req, |
451 | struct xdr_stream *xdr, | |
452 | const struct nlm_res *result) | |
2b061f9e | 453 | { |
9f06c719 CL |
454 | encode_cookie(xdr, &result->cookie); |
455 | encode_nlm_stat(xdr, result->status); | |
2b061f9e CL |
456 | } |
457 | ||
458 | /* | |
459 | * union nlm_testrply switch (nlm_stats stat) { | |
460 | * case LCK_DENIED: | |
461 | * struct nlm_holder holder; | |
462 | * default: | |
463 | * void; | |
464 | * }; | |
465 | * | |
466 | * struct nlm_testres { | |
467 | * netobj cookie; | |
468 | * nlm_testrply test_stat; | |
469 | * }; | |
470 | */ | |
471 | static void encode_nlm_testrply(struct xdr_stream *xdr, | |
472 | const struct nlm_res *result) | |
473 | { | |
474 | if (result->status == nlm_lck_denied) | |
475 | encode_nlm_holder(xdr, result); | |
476 | } | |
477 | ||
9f06c719 CL |
478 | static void nlm_xdr_enc_testres(struct rpc_rqst *req, |
479 | struct xdr_stream *xdr, | |
480 | const struct nlm_res *result) | |
2b061f9e | 481 | { |
9f06c719 CL |
482 | encode_cookie(xdr, &result->cookie); |
483 | encode_nlm_stat(xdr, result->status); | |
484 | encode_nlm_testrply(xdr, result); | |
2b061f9e CL |
485 | } |
486 | ||
487 | ||
488 | /* | |
489 | * NLMv3 XDR decode functions | |
490 | * | |
491 | * NLMv3 result types are defined in Chapter 10 of The Open Group's | |
492 | * "Protocols for Interworking: XNFS, Version 3W". | |
493 | */ | |
494 | ||
495 | /* | |
496 | * union nlm_testrply switch (nlm_stats stat) { | |
497 | * case LCK_DENIED: | |
498 | * struct nlm_holder holder; | |
499 | * default: | |
500 | * void; | |
501 | * }; | |
502 | * | |
503 | * struct nlm_testres { | |
504 | * netobj cookie; | |
505 | * nlm_testrply test_stat; | |
506 | * }; | |
507 | */ | |
508 | static int decode_nlm_testrply(struct xdr_stream *xdr, | |
509 | struct nlm_res *result) | |
510 | { | |
511 | int error; | |
512 | ||
513 | error = decode_nlm_stat(xdr, &result->status); | |
514 | if (unlikely(error)) | |
515 | goto out; | |
516 | if (result->status == nlm_lck_denied) | |
517 | error = decode_nlm_holder(xdr, result); | |
518 | out: | |
519 | return error; | |
520 | } | |
521 | ||
bf269551 CL |
522 | static int nlm_xdr_dec_testres(struct rpc_rqst *req, |
523 | struct xdr_stream *xdr, | |
2b061f9e CL |
524 | struct nlm_res *result) |
525 | { | |
2b061f9e CL |
526 | int error; |
527 | ||
bf269551 | 528 | error = decode_cookie(xdr, &result->cookie); |
2b061f9e CL |
529 | if (unlikely(error)) |
530 | goto out; | |
bf269551 | 531 | error = decode_nlm_testrply(xdr, result); |
2b061f9e CL |
532 | out: |
533 | return error; | |
534 | } | |
535 | ||
536 | /* | |
537 | * struct nlm_res { | |
538 | * netobj cookie; | |
539 | * nlm_stat stat; | |
540 | * }; | |
541 | */ | |
bf269551 CL |
542 | static int nlm_xdr_dec_res(struct rpc_rqst *req, |
543 | struct xdr_stream *xdr, | |
2b061f9e CL |
544 | struct nlm_res *result) |
545 | { | |
2b061f9e CL |
546 | int error; |
547 | ||
bf269551 | 548 | error = decode_cookie(xdr, &result->cookie); |
2b061f9e CL |
549 | if (unlikely(error)) |
550 | goto out; | |
bf269551 | 551 | error = decode_nlm_stat(xdr, &result->status); |
2b061f9e CL |
552 | out: |
553 | return error; | |
554 | } | |
555 | ||
556 | ||
557 | /* | |
558 | * For NLM, a void procedure really returns nothing | |
559 | */ | |
560 | #define nlm_xdr_dec_norep NULL | |
561 | ||
562 | #define PROC(proc, argtype, restype) \ | |
563 | [NLMPROC_##proc] = { \ | |
564 | .p_proc = NLMPROC_##proc, \ | |
9f06c719 | 565 | .p_encode = (kxdreproc_t)nlm_xdr_enc_##argtype, \ |
bf269551 | 566 | .p_decode = (kxdrdproc_t)nlm_xdr_dec_##restype, \ |
2b061f9e CL |
567 | .p_arglen = NLM_##argtype##_sz, \ |
568 | .p_replen = NLM_##restype##_sz, \ | |
569 | .p_statidx = NLMPROC_##proc, \ | |
570 | .p_name = #proc, \ | |
571 | } | |
572 | ||
573 | static struct rpc_procinfo nlm_procedures[] = { | |
574 | PROC(TEST, testargs, testres), | |
575 | PROC(LOCK, lockargs, res), | |
576 | PROC(CANCEL, cancargs, res), | |
577 | PROC(UNLOCK, unlockargs, res), | |
578 | PROC(GRANTED, testargs, res), | |
579 | PROC(TEST_MSG, testargs, norep), | |
580 | PROC(LOCK_MSG, lockargs, norep), | |
581 | PROC(CANCEL_MSG, cancargs, norep), | |
582 | PROC(UNLOCK_MSG, unlockargs, norep), | |
583 | PROC(GRANTED_MSG, testargs, norep), | |
584 | PROC(TEST_RES, testres, norep), | |
585 | PROC(LOCK_RES, res, norep), | |
586 | PROC(CANCEL_RES, res, norep), | |
587 | PROC(UNLOCK_RES, res, norep), | |
588 | PROC(GRANTED_RES, res, norep), | |
589 | }; | |
590 | ||
a613fa16 | 591 | static const struct rpc_version nlm_version1 = { |
2b061f9e CL |
592 | .number = 1, |
593 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
594 | .procs = nlm_procedures, | |
595 | }; | |
596 | ||
a613fa16 | 597 | static const struct rpc_version nlm_version3 = { |
2b061f9e CL |
598 | .number = 3, |
599 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
600 | .procs = nlm_procedures, | |
601 | }; | |
602 | ||
a613fa16 | 603 | static const struct rpc_version *nlm_versions[] = { |
2b061f9e CL |
604 | [1] = &nlm_version1, |
605 | [3] = &nlm_version3, | |
606 | #ifdef CONFIG_LOCKD_V4 | |
607 | [4] = &nlm_version4, | |
608 | #endif | |
609 | }; | |
610 | ||
611 | static struct rpc_stat nlm_rpc_stats; | |
612 | ||
a613fa16 | 613 | const struct rpc_program nlm_program = { |
2b061f9e CL |
614 | .name = "lockd", |
615 | .number = NLM_PROGRAM, | |
616 | .nrvers = ARRAY_SIZE(nlm_versions), | |
617 | .version = nlm_versions, | |
618 | .stats = &nlm_rpc_stats, | |
619 | }; |