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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2b061f9e CL |
2 | /* |
3 | * linux/fs/lockd/clntxdr.c | |
4 | * | |
5 | * XDR functions to encode/decode NLM version 3 RPC arguments and results. | |
6 | * NLM version 3 is backwards compatible with NLM versions 1 and 2. | |
7 | * | |
8 | * NLM client-side only. | |
9 | * | |
10 | * Copyright (C) 2010, Oracle. All rights reserved. | |
11 | */ | |
12 | ||
13 | #include <linux/types.h> | |
14 | #include <linux/sunrpc/xdr.h> | |
15 | #include <linux/sunrpc/clnt.h> | |
16 | #include <linux/sunrpc/stats.h> | |
17 | #include <linux/lockd/lockd.h> | |
18 | ||
9c69de4c CH |
19 | #include <uapi/linux/nfs2.h> |
20 | ||
2b061f9e CL |
21 | #define NLMDBG_FACILITY NLMDBG_XDR |
22 | ||
23 | #if (NLMCLNT_OHSIZE > XDR_MAX_NETOBJ) | |
24 | # error "NLM host name cannot be larger than XDR_MAX_NETOBJ!" | |
25 | #endif | |
26 | ||
27 | /* | |
28 | * Declare the space requirements for NLM arguments and replies as | |
29 | * number of 32bit-words | |
30 | */ | |
31 | #define NLM_cookie_sz (1+(NLM_MAXCOOKIELEN>>2)) | |
32 | #define NLM_caller_sz (1+(NLMCLNT_OHSIZE>>2)) | |
33 | #define NLM_owner_sz (1+(NLMCLNT_OHSIZE>>2)) | |
34 | #define NLM_fhandle_sz (1+(NFS2_FHSIZE>>2)) | |
35 | #define NLM_lock_sz (3+NLM_caller_sz+NLM_owner_sz+NLM_fhandle_sz) | |
36 | #define NLM_holder_sz (4+NLM_owner_sz) | |
37 | ||
38 | #define NLM_testargs_sz (NLM_cookie_sz+1+NLM_lock_sz) | |
39 | #define NLM_lockargs_sz (NLM_cookie_sz+4+NLM_lock_sz) | |
40 | #define NLM_cancargs_sz (NLM_cookie_sz+2+NLM_lock_sz) | |
41 | #define NLM_unlockargs_sz (NLM_cookie_sz+NLM_lock_sz) | |
42 | ||
43 | #define NLM_testres_sz (NLM_cookie_sz+1+NLM_holder_sz) | |
44 | #define NLM_res_sz (NLM_cookie_sz+1) | |
45 | #define NLM_norep_sz (0) | |
46 | ||
47 | ||
48 | static s32 loff_t_to_s32(loff_t offset) | |
49 | { | |
50 | s32 res; | |
51 | ||
52 | if (offset >= NLM_OFFSET_MAX) | |
53 | res = NLM_OFFSET_MAX; | |
54 | else if (offset <= -NLM_OFFSET_MAX) | |
55 | res = -NLM_OFFSET_MAX; | |
56 | else | |
57 | res = offset; | |
58 | return res; | |
59 | } | |
60 | ||
61 | static void nlm_compute_offsets(const struct nlm_lock *lock, | |
62 | u32 *l_offset, u32 *l_len) | |
63 | { | |
64 | const struct file_lock *fl = &lock->fl; | |
65 | ||
2b061f9e CL |
66 | *l_offset = loff_t_to_s32(fl->fl_start); |
67 | if (fl->fl_end == OFFSET_MAX) | |
68 | *l_len = 0; | |
69 | else | |
70 | *l_len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); | |
71 | } | |
72 | ||
2b061f9e CL |
73 | /* |
74 | * Encode/decode NLMv3 basic data types | |
75 | * | |
76 | * Basic NLMv3 data types are not defined in an IETF standards | |
77 | * document. X/Open has a description of these data types that | |
78 | * is useful. See Chapter 10 of "Protocols for Interworking: | |
79 | * XNFS, Version 3W". | |
80 | * | |
81 | * Not all basic data types have their own encoding and decoding | |
82 | * functions. For run-time efficiency, some data types are encoded | |
83 | * or decoded inline. | |
84 | */ | |
85 | ||
86 | static void encode_bool(struct xdr_stream *xdr, const int value) | |
87 | { | |
88 | __be32 *p; | |
89 | ||
90 | p = xdr_reserve_space(xdr, 4); | |
91 | *p = value ? xdr_one : xdr_zero; | |
92 | } | |
93 | ||
94 | static void encode_int32(struct xdr_stream *xdr, const s32 value) | |
95 | { | |
96 | __be32 *p; | |
97 | ||
98 | p = xdr_reserve_space(xdr, 4); | |
99 | *p = cpu_to_be32(value); | |
100 | } | |
101 | ||
102 | /* | |
103 | * typedef opaque netobj<MAXNETOBJ_SZ> | |
104 | */ | |
105 | static void encode_netobj(struct xdr_stream *xdr, | |
106 | const u8 *data, const unsigned int length) | |
107 | { | |
108 | __be32 *p; | |
109 | ||
2b061f9e CL |
110 | p = xdr_reserve_space(xdr, 4 + length); |
111 | xdr_encode_opaque(p, data, length); | |
112 | } | |
113 | ||
114 | static int decode_netobj(struct xdr_stream *xdr, | |
115 | struct xdr_netobj *obj) | |
116 | { | |
b8db1592 | 117 | ssize_t ret; |
2b061f9e | 118 | |
b8db1592 BF |
119 | ret = xdr_stream_decode_opaque_inline(xdr, (void *)&obj->data, |
120 | XDR_MAX_NETOBJ); | |
121 | if (unlikely(ret < 0)) | |
122 | return -EIO; | |
123 | obj->len = ret; | |
2b061f9e | 124 | return 0; |
2b061f9e CL |
125 | } |
126 | ||
127 | /* | |
128 | * netobj cookie; | |
129 | */ | |
130 | static void encode_cookie(struct xdr_stream *xdr, | |
131 | const struct nlm_cookie *cookie) | |
132 | { | |
2b061f9e CL |
133 | encode_netobj(xdr, (u8 *)&cookie->data, cookie->len); |
134 | } | |
135 | ||
136 | static int decode_cookie(struct xdr_stream *xdr, | |
137 | struct nlm_cookie *cookie) | |
138 | { | |
139 | u32 length; | |
140 | __be32 *p; | |
141 | ||
142 | p = xdr_inline_decode(xdr, 4); | |
143 | if (unlikely(p == NULL)) | |
144 | goto out_overflow; | |
145 | length = be32_to_cpup(p++); | |
146 | /* apparently HPUX can return empty cookies */ | |
147 | if (length == 0) | |
148 | goto out_hpux; | |
149 | if (length > NLM_MAXCOOKIELEN) | |
150 | goto out_size; | |
151 | p = xdr_inline_decode(xdr, length); | |
152 | if (unlikely(p == NULL)) | |
153 | goto out_overflow; | |
154 | cookie->len = length; | |
155 | memcpy(cookie->data, p, length); | |
156 | return 0; | |
157 | out_hpux: | |
158 | cookie->len = 4; | |
159 | memset(cookie->data, 0, 4); | |
160 | return 0; | |
161 | out_size: | |
162 | dprintk("NFS: returned cookie was too long: %u\n", length); | |
163 | return -EIO; | |
164 | out_overflow: | |
2b061f9e CL |
165 | return -EIO; |
166 | } | |
167 | ||
168 | /* | |
169 | * netobj fh; | |
170 | */ | |
171 | static void encode_fh(struct xdr_stream *xdr, const struct nfs_fh *fh) | |
172 | { | |
2b061f9e CL |
173 | encode_netobj(xdr, (u8 *)&fh->data, NFS2_FHSIZE); |
174 | } | |
175 | ||
176 | /* | |
177 | * enum nlm_stats { | |
178 | * LCK_GRANTED = 0, | |
179 | * LCK_DENIED = 1, | |
180 | * LCK_DENIED_NOLOCKS = 2, | |
181 | * LCK_BLOCKED = 3, | |
182 | * LCK_DENIED_GRACE_PERIOD = 4 | |
183 | * }; | |
184 | * | |
185 | * | |
186 | * struct nlm_stat { | |
187 | * nlm_stats stat; | |
188 | * }; | |
189 | * | |
190 | * NB: we don't swap bytes for the NLM status values. The upper | |
191 | * layers deal directly with the status value in network byte | |
192 | * order. | |
193 | */ | |
194 | ||
195 | static void encode_nlm_stat(struct xdr_stream *xdr, | |
196 | const __be32 stat) | |
197 | { | |
198 | __be32 *p; | |
199 | ||
cd0b16c1 | 200 | WARN_ON_ONCE(be32_to_cpu(stat) > NLM_LCK_DENIED_GRACE_PERIOD); |
2b061f9e CL |
201 | p = xdr_reserve_space(xdr, 4); |
202 | *p = stat; | |
203 | } | |
204 | ||
205 | static int decode_nlm_stat(struct xdr_stream *xdr, | |
206 | __be32 *stat) | |
207 | { | |
208 | __be32 *p; | |
209 | ||
210 | p = xdr_inline_decode(xdr, 4); | |
211 | if (unlikely(p == NULL)) | |
212 | goto out_overflow; | |
e847469b | 213 | if (unlikely(ntohl(*p) > ntohl(nlm_lck_denied_grace_period))) |
2b061f9e CL |
214 | goto out_enum; |
215 | *stat = *p; | |
216 | return 0; | |
217 | out_enum: | |
218 | dprintk("%s: server returned invalid nlm_stats value: %u\n", | |
219 | __func__, be32_to_cpup(p)); | |
220 | return -EIO; | |
221 | out_overflow: | |
2b061f9e CL |
222 | return -EIO; |
223 | } | |
224 | ||
225 | /* | |
226 | * struct nlm_holder { | |
227 | * bool exclusive; | |
228 | * int uppid; | |
229 | * netobj oh; | |
230 | * unsigned l_offset; | |
231 | * unsigned l_len; | |
232 | * }; | |
233 | */ | |
234 | static void encode_nlm_holder(struct xdr_stream *xdr, | |
235 | const struct nlm_res *result) | |
236 | { | |
237 | const struct nlm_lock *lock = &result->lock; | |
238 | u32 l_offset, l_len; | |
239 | __be32 *p; | |
240 | ||
241 | encode_bool(xdr, lock->fl.fl_type == F_RDLCK); | |
242 | encode_int32(xdr, lock->svid); | |
243 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
244 | ||
245 | p = xdr_reserve_space(xdr, 4 + 4); | |
246 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
247 | *p++ = cpu_to_be32(l_offset); | |
248 | *p = cpu_to_be32(l_len); | |
249 | } | |
250 | ||
251 | static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result) | |
252 | { | |
253 | struct nlm_lock *lock = &result->lock; | |
254 | struct file_lock *fl = &lock->fl; | |
255 | u32 exclusive, l_offset, l_len; | |
256 | int error; | |
257 | __be32 *p; | |
258 | s32 end; | |
259 | ||
260 | memset(lock, 0, sizeof(*lock)); | |
261 | locks_init_lock(fl); | |
262 | ||
263 | p = xdr_inline_decode(xdr, 4 + 4); | |
264 | if (unlikely(p == NULL)) | |
265 | goto out_overflow; | |
266 | exclusive = be32_to_cpup(p++); | |
267 | lock->svid = be32_to_cpup(p); | |
268 | fl->fl_pid = (pid_t)lock->svid; | |
269 | ||
270 | error = decode_netobj(xdr, &lock->oh); | |
271 | if (unlikely(error)) | |
272 | goto out; | |
273 | ||
274 | p = xdr_inline_decode(xdr, 4 + 4); | |
275 | if (unlikely(p == NULL)) | |
276 | goto out_overflow; | |
277 | ||
278 | fl->fl_flags = FL_POSIX; | |
279 | fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK; | |
280 | l_offset = be32_to_cpup(p++); | |
281 | l_len = be32_to_cpup(p); | |
282 | end = l_offset + l_len - 1; | |
283 | ||
284 | fl->fl_start = (loff_t)l_offset; | |
285 | if (l_len == 0 || end < 0) | |
286 | fl->fl_end = OFFSET_MAX; | |
287 | else | |
288 | fl->fl_end = (loff_t)end; | |
289 | error = 0; | |
290 | out: | |
291 | return error; | |
292 | out_overflow: | |
2b061f9e CL |
293 | return -EIO; |
294 | } | |
295 | ||
296 | /* | |
297 | * string caller_name<LM_MAXSTRLEN>; | |
298 | */ | |
299 | static void encode_caller_name(struct xdr_stream *xdr, const char *name) | |
300 | { | |
301 | /* NB: client-side does not set lock->len */ | |
302 | u32 length = strlen(name); | |
303 | __be32 *p; | |
304 | ||
2b061f9e CL |
305 | p = xdr_reserve_space(xdr, 4 + length); |
306 | xdr_encode_opaque(p, name, length); | |
307 | } | |
308 | ||
309 | /* | |
310 | * struct nlm_lock { | |
311 | * string caller_name<LM_MAXSTRLEN>; | |
312 | * netobj fh; | |
313 | * netobj oh; | |
314 | * int uppid; | |
315 | * unsigned l_offset; | |
316 | * unsigned l_len; | |
317 | * }; | |
318 | */ | |
319 | static void encode_nlm_lock(struct xdr_stream *xdr, | |
320 | const struct nlm_lock *lock) | |
321 | { | |
322 | u32 l_offset, l_len; | |
323 | __be32 *p; | |
324 | ||
325 | encode_caller_name(xdr, lock->caller); | |
326 | encode_fh(xdr, &lock->fh); | |
327 | encode_netobj(xdr, lock->oh.data, lock->oh.len); | |
328 | ||
329 | p = xdr_reserve_space(xdr, 4 + 4 + 4); | |
330 | *p++ = cpu_to_be32(lock->svid); | |
331 | ||
332 | nlm_compute_offsets(lock, &l_offset, &l_len); | |
333 | *p++ = cpu_to_be32(l_offset); | |
334 | *p = cpu_to_be32(l_len); | |
335 | } | |
336 | ||
337 | ||
338 | /* | |
339 | * NLMv3 XDR encode functions | |
340 | * | |
341 | * NLMv3 argument types are defined in Chapter 10 of The Open Group's | |
342 | * "Protocols for Interworking: XNFS, Version 3W". | |
343 | */ | |
344 | ||
345 | /* | |
346 | * struct nlm_testargs { | |
347 | * netobj cookie; | |
348 | * bool exclusive; | |
349 | * struct nlm_lock alock; | |
350 | * }; | |
351 | */ | |
9f06c719 CL |
352 | static void nlm_xdr_enc_testargs(struct rpc_rqst *req, |
353 | struct xdr_stream *xdr, | |
bf96391e | 354 | const void *data) |
2b061f9e | 355 | { |
bf96391e | 356 | const struct nlm_args *args = data; |
2b061f9e | 357 | const struct nlm_lock *lock = &args->lock; |
2b061f9e | 358 | |
9f06c719 CL |
359 | encode_cookie(xdr, &args->cookie); |
360 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
361 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
362 | } |
363 | ||
364 | /* | |
365 | * struct nlm_lockargs { | |
366 | * netobj cookie; | |
367 | * bool block; | |
368 | * bool exclusive; | |
369 | * struct nlm_lock alock; | |
370 | * bool reclaim; | |
371 | * int state; | |
372 | * }; | |
373 | */ | |
9f06c719 CL |
374 | static void nlm_xdr_enc_lockargs(struct rpc_rqst *req, |
375 | struct xdr_stream *xdr, | |
bf96391e | 376 | const void *data) |
2b061f9e | 377 | { |
bf96391e | 378 | const struct nlm_args *args = data; |
2b061f9e | 379 | const struct nlm_lock *lock = &args->lock; |
2b061f9e | 380 | |
9f06c719 CL |
381 | encode_cookie(xdr, &args->cookie); |
382 | encode_bool(xdr, args->block); | |
383 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
384 | encode_nlm_lock(xdr, lock); | |
385 | encode_bool(xdr, args->reclaim); | |
386 | encode_int32(xdr, args->state); | |
2b061f9e CL |
387 | } |
388 | ||
389 | /* | |
390 | * struct nlm_cancargs { | |
391 | * netobj cookie; | |
392 | * bool block; | |
393 | * bool exclusive; | |
394 | * struct nlm_lock alock; | |
395 | * }; | |
396 | */ | |
9f06c719 CL |
397 | static void nlm_xdr_enc_cancargs(struct rpc_rqst *req, |
398 | struct xdr_stream *xdr, | |
bf96391e | 399 | const void *data) |
2b061f9e | 400 | { |
bf96391e | 401 | const struct nlm_args *args = data; |
2b061f9e | 402 | const struct nlm_lock *lock = &args->lock; |
2b061f9e | 403 | |
9f06c719 CL |
404 | encode_cookie(xdr, &args->cookie); |
405 | encode_bool(xdr, args->block); | |
406 | encode_bool(xdr, lock->fl.fl_type == F_WRLCK); | |
407 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
408 | } |
409 | ||
410 | /* | |
411 | * struct nlm_unlockargs { | |
412 | * netobj cookie; | |
413 | * struct nlm_lock alock; | |
414 | * }; | |
415 | */ | |
9f06c719 CL |
416 | static void nlm_xdr_enc_unlockargs(struct rpc_rqst *req, |
417 | struct xdr_stream *xdr, | |
bf96391e | 418 | const void *data) |
2b061f9e | 419 | { |
bf96391e | 420 | const struct nlm_args *args = data; |
2b061f9e | 421 | const struct nlm_lock *lock = &args->lock; |
2b061f9e | 422 | |
9f06c719 CL |
423 | encode_cookie(xdr, &args->cookie); |
424 | encode_nlm_lock(xdr, lock); | |
2b061f9e CL |
425 | } |
426 | ||
427 | /* | |
428 | * struct nlm_res { | |
429 | * netobj cookie; | |
430 | * nlm_stat stat; | |
431 | * }; | |
432 | */ | |
9f06c719 CL |
433 | static void nlm_xdr_enc_res(struct rpc_rqst *req, |
434 | struct xdr_stream *xdr, | |
bf96391e | 435 | const void *data) |
2b061f9e | 436 | { |
bf96391e CH |
437 | const struct nlm_res *result = data; |
438 | ||
9f06c719 CL |
439 | encode_cookie(xdr, &result->cookie); |
440 | encode_nlm_stat(xdr, result->status); | |
2b061f9e CL |
441 | } |
442 | ||
443 | /* | |
444 | * union nlm_testrply switch (nlm_stats stat) { | |
445 | * case LCK_DENIED: | |
446 | * struct nlm_holder holder; | |
447 | * default: | |
448 | * void; | |
449 | * }; | |
450 | * | |
451 | * struct nlm_testres { | |
452 | * netobj cookie; | |
453 | * nlm_testrply test_stat; | |
454 | * }; | |
455 | */ | |
456 | static void encode_nlm_testrply(struct xdr_stream *xdr, | |
457 | const struct nlm_res *result) | |
458 | { | |
459 | if (result->status == nlm_lck_denied) | |
460 | encode_nlm_holder(xdr, result); | |
461 | } | |
462 | ||
9f06c719 CL |
463 | static void nlm_xdr_enc_testres(struct rpc_rqst *req, |
464 | struct xdr_stream *xdr, | |
bf96391e | 465 | const void *data) |
2b061f9e | 466 | { |
bf96391e CH |
467 | const struct nlm_res *result = data; |
468 | ||
9f06c719 CL |
469 | encode_cookie(xdr, &result->cookie); |
470 | encode_nlm_stat(xdr, result->status); | |
471 | encode_nlm_testrply(xdr, result); | |
2b061f9e CL |
472 | } |
473 | ||
474 | ||
475 | /* | |
476 | * NLMv3 XDR decode functions | |
477 | * | |
478 | * NLMv3 result types are defined in Chapter 10 of The Open Group's | |
479 | * "Protocols for Interworking: XNFS, Version 3W". | |
480 | */ | |
481 | ||
482 | /* | |
483 | * union nlm_testrply switch (nlm_stats stat) { | |
484 | * case LCK_DENIED: | |
485 | * struct nlm_holder holder; | |
486 | * default: | |
487 | * void; | |
488 | * }; | |
489 | * | |
490 | * struct nlm_testres { | |
491 | * netobj cookie; | |
492 | * nlm_testrply test_stat; | |
493 | * }; | |
494 | */ | |
495 | static int decode_nlm_testrply(struct xdr_stream *xdr, | |
496 | struct nlm_res *result) | |
497 | { | |
498 | int error; | |
499 | ||
500 | error = decode_nlm_stat(xdr, &result->status); | |
501 | if (unlikely(error)) | |
502 | goto out; | |
503 | if (result->status == nlm_lck_denied) | |
504 | error = decode_nlm_holder(xdr, result); | |
505 | out: | |
506 | return error; | |
507 | } | |
508 | ||
bf269551 CL |
509 | static int nlm_xdr_dec_testres(struct rpc_rqst *req, |
510 | struct xdr_stream *xdr, | |
1fa23391 | 511 | void *data) |
2b061f9e | 512 | { |
1fa23391 | 513 | struct nlm_res *result = data; |
2b061f9e CL |
514 | int error; |
515 | ||
bf269551 | 516 | error = decode_cookie(xdr, &result->cookie); |
2b061f9e CL |
517 | if (unlikely(error)) |
518 | goto out; | |
bf269551 | 519 | error = decode_nlm_testrply(xdr, result); |
2b061f9e CL |
520 | out: |
521 | return error; | |
522 | } | |
523 | ||
524 | /* | |
525 | * struct nlm_res { | |
526 | * netobj cookie; | |
527 | * nlm_stat stat; | |
528 | * }; | |
529 | */ | |
bf269551 CL |
530 | static int nlm_xdr_dec_res(struct rpc_rqst *req, |
531 | struct xdr_stream *xdr, | |
1fa23391 | 532 | void *data) |
2b061f9e | 533 | { |
1fa23391 | 534 | struct nlm_res *result = data; |
2b061f9e CL |
535 | int error; |
536 | ||
bf269551 | 537 | error = decode_cookie(xdr, &result->cookie); |
2b061f9e CL |
538 | if (unlikely(error)) |
539 | goto out; | |
bf269551 | 540 | error = decode_nlm_stat(xdr, &result->status); |
2b061f9e CL |
541 | out: |
542 | return error; | |
543 | } | |
544 | ||
545 | ||
546 | /* | |
547 | * For NLM, a void procedure really returns nothing | |
548 | */ | |
549 | #define nlm_xdr_dec_norep NULL | |
550 | ||
551 | #define PROC(proc, argtype, restype) \ | |
552 | [NLMPROC_##proc] = { \ | |
553 | .p_proc = NLMPROC_##proc, \ | |
bf96391e | 554 | .p_encode = nlm_xdr_enc_##argtype, \ |
1fa23391 | 555 | .p_decode = nlm_xdr_dec_##restype, \ |
2b061f9e CL |
556 | .p_arglen = NLM_##argtype##_sz, \ |
557 | .p_replen = NLM_##restype##_sz, \ | |
558 | .p_statidx = NLMPROC_##proc, \ | |
559 | .p_name = #proc, \ | |
560 | } | |
561 | ||
499b4988 | 562 | static const struct rpc_procinfo nlm_procedures[] = { |
2b061f9e CL |
563 | PROC(TEST, testargs, testres), |
564 | PROC(LOCK, lockargs, res), | |
565 | PROC(CANCEL, cancargs, res), | |
566 | PROC(UNLOCK, unlockargs, res), | |
567 | PROC(GRANTED, testargs, res), | |
568 | PROC(TEST_MSG, testargs, norep), | |
569 | PROC(LOCK_MSG, lockargs, norep), | |
570 | PROC(CANCEL_MSG, cancargs, norep), | |
571 | PROC(UNLOCK_MSG, unlockargs, norep), | |
572 | PROC(GRANTED_MSG, testargs, norep), | |
573 | PROC(TEST_RES, testres, norep), | |
574 | PROC(LOCK_RES, res, norep), | |
575 | PROC(CANCEL_RES, res, norep), | |
576 | PROC(UNLOCK_RES, res, norep), | |
577 | PROC(GRANTED_RES, res, norep), | |
578 | }; | |
579 | ||
1c5876dd | 580 | static unsigned int nlm_version1_counts[ARRAY_SIZE(nlm_procedures)]; |
a613fa16 | 581 | static const struct rpc_version nlm_version1 = { |
cdfa31e9 CH |
582 | .number = 1, |
583 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
584 | .procs = nlm_procedures, | |
1c5876dd | 585 | .counts = nlm_version1_counts, |
2b061f9e CL |
586 | }; |
587 | ||
1c5876dd | 588 | static unsigned int nlm_version3_counts[ARRAY_SIZE(nlm_procedures)]; |
a613fa16 | 589 | static const struct rpc_version nlm_version3 = { |
cdfa31e9 CH |
590 | .number = 3, |
591 | .nrprocs = ARRAY_SIZE(nlm_procedures), | |
592 | .procs = nlm_procedures, | |
1c5876dd | 593 | .counts = nlm_version3_counts, |
2b061f9e CL |
594 | }; |
595 | ||
a613fa16 | 596 | static const struct rpc_version *nlm_versions[] = { |
2b061f9e CL |
597 | [1] = &nlm_version1, |
598 | [3] = &nlm_version3, | |
599 | #ifdef CONFIG_LOCKD_V4 | |
600 | [4] = &nlm_version4, | |
601 | #endif | |
602 | }; | |
603 | ||
604 | static struct rpc_stat nlm_rpc_stats; | |
605 | ||
a613fa16 | 606 | const struct rpc_program nlm_program = { |
cdfa31e9 CH |
607 | .name = "lockd", |
608 | .number = NLM_PROGRAM, | |
609 | .nrvers = ARRAY_SIZE(nlm_versions), | |
610 | .version = nlm_versions, | |
611 | .stats = &nlm_rpc_stats, | |
2b061f9e | 612 | }; |