1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/fs/lockd/svc4proc.c 4 * 5 * Lockd server procedures. We don't implement the NLM_*_RES 6 * procedures because we don't use the async procedures. 7 * 8 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> 9 */ 10 11 #include <linux/types.h> 12 #include <linux/time.h> 13 #include <linux/lockd/lockd.h> 14 #include <linux/lockd/share.h> 15 #include <linux/sunrpc/svc_xprt.h> 16 17 #define NLMDBG_FACILITY NLMDBG_CLIENT 18 19 /* 20 * Obtain client and file from arguments 21 */ 22 static __be32 23 nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, 24 struct nlm_host **hostp, struct nlm_file **filp) 25 { 26 struct nlm_host *host = NULL; 27 struct nlm_file *file = NULL; 28 struct nlm_lock *lock = &argp->lock; 29 __be32 error = 0; 30 31 /* nfsd callbacks must have been installed for this procedure */ 32 if (!nlmsvc_ops) 33 return nlm_lck_denied_nolocks; 34 35 if (lock->lock_start > OFFSET_MAX || 36 (lock->lock_len && ((lock->lock_len - 1) > (OFFSET_MAX - lock->lock_start)))) 37 return nlm4_fbig; 38 39 /* Obtain host handle */ 40 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) 41 || (argp->monitor && nsm_monitor(host) < 0)) 42 goto no_locks; 43 *hostp = host; 44 45 /* Obtain file pointer. Not used by FREE_ALL call. */ 46 if (filp != NULL) { 47 int mode = lock_to_openmode(&lock->fl); 48 49 error = nlm_lookup_file(rqstp, &file, lock); 50 if (error) 51 goto no_locks; 52 *filp = file; 53 54 /* Set up the missing parts of the file_lock structure */ 55 lock->fl.fl_flags = FL_POSIX; 56 lock->fl.fl_file = file->f_file[mode]; 57 lock->fl.fl_pid = current->tgid; 58 lock->fl.fl_start = (loff_t)lock->lock_start; 59 lock->fl.fl_end = lock->lock_len ? 60 (loff_t)(lock->lock_start + lock->lock_len - 1) : 61 OFFSET_MAX; 62 lock->fl.fl_lmops = &nlmsvc_lock_operations; 63 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid); 64 if (!lock->fl.fl_owner) { 65 /* lockowner allocation has failed */ 66 nlmsvc_release_host(host); 67 return nlm_lck_denied_nolocks; 68 } 69 } 70 71 return 0; 72 73 no_locks: 74 nlmsvc_release_host(host); 75 if (error) 76 return error; 77 return nlm_lck_denied_nolocks; 78 } 79 80 /* 81 * NULL: Test for presence of service 82 */ 83 static __be32 84 nlm4svc_proc_null(struct svc_rqst *rqstp) 85 { 86 dprintk("lockd: NULL called\n"); 87 return rpc_success; 88 } 89 90 /* 91 * TEST: Check for conflicting lock 92 */ 93 static __be32 94 __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp) 95 { 96 struct nlm_args *argp = rqstp->rq_argp; 97 struct nlm_host *host; 98 struct nlm_file *file; 99 struct nlm_lockowner *test_owner; 100 __be32 rc = rpc_success; 101 102 dprintk("lockd: TEST4 called\n"); 103 resp->cookie = argp->cookie; 104 105 /* Obtain client and file */ 106 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 107 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 108 109 test_owner = argp->lock.fl.fl_owner; 110 /* Now check for conflicting locks */ 111 resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie); 112 if (resp->status == nlm_drop_reply) 113 rc = rpc_drop_reply; 114 else 115 dprintk("lockd: TEST4 status %d\n", ntohl(resp->status)); 116 117 nlmsvc_put_lockowner(test_owner); 118 nlmsvc_release_host(host); 119 nlm_release_file(file); 120 return rc; 121 } 122 123 static __be32 124 nlm4svc_proc_test(struct svc_rqst *rqstp) 125 { 126 return __nlm4svc_proc_test(rqstp, rqstp->rq_resp); 127 } 128 129 static __be32 130 __nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp) 131 { 132 struct nlm_args *argp = rqstp->rq_argp; 133 struct nlm_host *host; 134 struct nlm_file *file; 135 __be32 rc = rpc_success; 136 137 dprintk("lockd: LOCK called\n"); 138 139 resp->cookie = argp->cookie; 140 141 /* Obtain client and file */ 142 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 143 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 144 145 #if 0 146 /* If supplied state doesn't match current state, we assume it's 147 * an old request that time-warped somehow. Any error return would 148 * do in this case because it's irrelevant anyway. 149 * 150 * NB: We don't retrieve the remote host's state yet. 151 */ 152 if (host->h_nsmstate && host->h_nsmstate != argp->state) { 153 resp->status = nlm_lck_denied_nolocks; 154 } else 155 #endif 156 157 /* Now try to lock the file */ 158 resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock, 159 argp->block, &argp->cookie, 160 argp->reclaim); 161 if (resp->status == nlm_drop_reply) 162 rc = rpc_drop_reply; 163 else 164 dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); 165 166 nlmsvc_release_lockowner(&argp->lock); 167 nlmsvc_release_host(host); 168 nlm_release_file(file); 169 return rc; 170 } 171 172 static __be32 173 nlm4svc_proc_lock(struct svc_rqst *rqstp) 174 { 175 return __nlm4svc_proc_lock(rqstp, rqstp->rq_resp); 176 } 177 178 static __be32 179 __nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp) 180 { 181 struct nlm_args *argp = rqstp->rq_argp; 182 struct nlm_host *host; 183 struct nlm_file *file; 184 185 dprintk("lockd: CANCEL called\n"); 186 187 resp->cookie = argp->cookie; 188 189 /* Don't accept requests during grace period */ 190 if (locks_in_grace(SVC_NET(rqstp))) { 191 resp->status = nlm_lck_denied_grace_period; 192 return rpc_success; 193 } 194 195 /* Obtain client and file */ 196 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 197 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 198 199 /* Try to cancel request. */ 200 resp->status = nlmsvc_cancel_blocked(SVC_NET(rqstp), file, &argp->lock); 201 202 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); 203 nlmsvc_release_lockowner(&argp->lock); 204 nlmsvc_release_host(host); 205 nlm_release_file(file); 206 return rpc_success; 207 } 208 209 static __be32 210 nlm4svc_proc_cancel(struct svc_rqst *rqstp) 211 { 212 return __nlm4svc_proc_cancel(rqstp, rqstp->rq_resp); 213 } 214 215 /* 216 * UNLOCK: release a lock 217 */ 218 static __be32 219 __nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp) 220 { 221 struct nlm_args *argp = rqstp->rq_argp; 222 struct nlm_host *host; 223 struct nlm_file *file; 224 225 dprintk("lockd: UNLOCK called\n"); 226 227 resp->cookie = argp->cookie; 228 229 /* Don't accept new lock requests during grace period */ 230 if (locks_in_grace(SVC_NET(rqstp))) { 231 resp->status = nlm_lck_denied_grace_period; 232 return rpc_success; 233 } 234 235 /* Obtain client and file */ 236 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 237 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 238 239 /* Now try to remove the lock */ 240 resp->status = nlmsvc_unlock(SVC_NET(rqstp), file, &argp->lock); 241 242 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); 243 nlmsvc_release_lockowner(&argp->lock); 244 nlmsvc_release_host(host); 245 nlm_release_file(file); 246 return rpc_success; 247 } 248 249 static __be32 250 nlm4svc_proc_unlock(struct svc_rqst *rqstp) 251 { 252 return __nlm4svc_proc_unlock(rqstp, rqstp->rq_resp); 253 } 254 255 /* 256 * GRANTED: A server calls us to tell that a process' lock request 257 * was granted 258 */ 259 static __be32 260 __nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp) 261 { 262 struct nlm_args *argp = rqstp->rq_argp; 263 264 resp->cookie = argp->cookie; 265 266 dprintk("lockd: GRANTED called\n"); 267 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock); 268 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); 269 return rpc_success; 270 } 271 272 static __be32 273 nlm4svc_proc_granted(struct svc_rqst *rqstp) 274 { 275 return __nlm4svc_proc_granted(rqstp, rqstp->rq_resp); 276 } 277 278 /* 279 * This is the generic lockd callback for async RPC calls 280 */ 281 static void nlm4svc_callback_exit(struct rpc_task *task, void *data) 282 { 283 } 284 285 static void nlm4svc_callback_release(void *data) 286 { 287 nlmsvc_release_call(data); 288 } 289 290 static const struct rpc_call_ops nlm4svc_callback_ops = { 291 .rpc_call_done = nlm4svc_callback_exit, 292 .rpc_release = nlm4svc_callback_release, 293 }; 294 295 /* 296 * `Async' versions of the above service routines. They aren't really, 297 * because we send the callback before the reply proper. I hope this 298 * doesn't break any clients. 299 */ 300 static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, 301 __be32 (*func)(struct svc_rqst *, struct nlm_res *)) 302 { 303 struct nlm_args *argp = rqstp->rq_argp; 304 struct nlm_host *host; 305 struct nlm_rqst *call; 306 __be32 stat; 307 308 host = nlmsvc_lookup_host(rqstp, 309 argp->lock.caller, 310 argp->lock.len); 311 if (host == NULL) 312 return rpc_system_err; 313 314 call = nlm_alloc_call(host); 315 nlmsvc_release_host(host); 316 if (call == NULL) 317 return rpc_system_err; 318 319 stat = func(rqstp, &call->a_res); 320 if (stat != 0) { 321 nlmsvc_release_call(call); 322 return stat; 323 } 324 325 call->a_flags = RPC_TASK_ASYNC; 326 if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0) 327 return rpc_system_err; 328 return rpc_success; 329 } 330 331 static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp) 332 { 333 dprintk("lockd: TEST_MSG called\n"); 334 return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, __nlm4svc_proc_test); 335 } 336 337 static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp) 338 { 339 dprintk("lockd: LOCK_MSG called\n"); 340 return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, __nlm4svc_proc_lock); 341 } 342 343 static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp) 344 { 345 dprintk("lockd: CANCEL_MSG called\n"); 346 return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, __nlm4svc_proc_cancel); 347 } 348 349 static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp) 350 { 351 dprintk("lockd: UNLOCK_MSG called\n"); 352 return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlm4svc_proc_unlock); 353 } 354 355 static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp) 356 { 357 dprintk("lockd: GRANTED_MSG called\n"); 358 return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, __nlm4svc_proc_granted); 359 } 360 361 /* 362 * SHARE: create a DOS share or alter existing share. 363 */ 364 static __be32 365 nlm4svc_proc_share(struct svc_rqst *rqstp) 366 { 367 struct nlm_args *argp = rqstp->rq_argp; 368 struct nlm_res *resp = rqstp->rq_resp; 369 struct nlm_host *host; 370 struct nlm_file *file; 371 372 dprintk("lockd: SHARE called\n"); 373 374 resp->cookie = argp->cookie; 375 376 /* Don't accept new lock requests during grace period */ 377 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) { 378 resp->status = nlm_lck_denied_grace_period; 379 return rpc_success; 380 } 381 382 /* Obtain client and file */ 383 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 384 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 385 386 /* Now try to create the share */ 387 resp->status = nlmsvc_share_file(host, file, argp); 388 389 dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); 390 nlmsvc_release_lockowner(&argp->lock); 391 nlmsvc_release_host(host); 392 nlm_release_file(file); 393 return rpc_success; 394 } 395 396 /* 397 * UNSHARE: Release a DOS share. 398 */ 399 static __be32 400 nlm4svc_proc_unshare(struct svc_rqst *rqstp) 401 { 402 struct nlm_args *argp = rqstp->rq_argp; 403 struct nlm_res *resp = rqstp->rq_resp; 404 struct nlm_host *host; 405 struct nlm_file *file; 406 407 dprintk("lockd: UNSHARE called\n"); 408 409 resp->cookie = argp->cookie; 410 411 /* Don't accept requests during grace period */ 412 if (locks_in_grace(SVC_NET(rqstp))) { 413 resp->status = nlm_lck_denied_grace_period; 414 return rpc_success; 415 } 416 417 /* Obtain client and file */ 418 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 419 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 420 421 /* Now try to lock the file */ 422 resp->status = nlmsvc_unshare_file(host, file, argp); 423 424 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); 425 nlmsvc_release_lockowner(&argp->lock); 426 nlmsvc_release_host(host); 427 nlm_release_file(file); 428 return rpc_success; 429 } 430 431 /* 432 * NM_LOCK: Create an unmonitored lock 433 */ 434 static __be32 435 nlm4svc_proc_nm_lock(struct svc_rqst *rqstp) 436 { 437 struct nlm_args *argp = rqstp->rq_argp; 438 439 dprintk("lockd: NM_LOCK called\n"); 440 441 argp->monitor = 0; /* just clean the monitor flag */ 442 return nlm4svc_proc_lock(rqstp); 443 } 444 445 /* 446 * FREE_ALL: Release all locks and shares held by client 447 */ 448 static __be32 449 nlm4svc_proc_free_all(struct svc_rqst *rqstp) 450 { 451 struct nlm_args *argp = rqstp->rq_argp; 452 struct nlm_host *host; 453 454 /* Obtain client */ 455 if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL)) 456 return rpc_success; 457 458 nlmsvc_free_host_resources(host); 459 nlmsvc_release_host(host); 460 return rpc_success; 461 } 462 463 /* 464 * SM_NOTIFY: private callback from statd (not part of official NLM proto) 465 */ 466 static __be32 467 nlm4svc_proc_sm_notify(struct svc_rqst *rqstp) 468 { 469 struct nlm_reboot *argp = rqstp->rq_argp; 470 471 dprintk("lockd: SM_NOTIFY called\n"); 472 473 if (!nlm_privileged_requester(rqstp)) { 474 char buf[RPC_MAX_ADDRBUFLEN]; 475 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", 476 svc_print_addr(rqstp, buf, sizeof(buf))); 477 return rpc_system_err; 478 } 479 480 nlm_host_rebooted(SVC_NET(rqstp), argp); 481 return rpc_success; 482 } 483 484 /* 485 * client sent a GRANTED_RES, let's remove the associated block 486 */ 487 static __be32 488 nlm4svc_proc_granted_res(struct svc_rqst *rqstp) 489 { 490 struct nlm_res *argp = rqstp->rq_argp; 491 492 if (!nlmsvc_ops) 493 return rpc_success; 494 495 dprintk("lockd: GRANTED_RES called\n"); 496 497 nlmsvc_grant_reply(&argp->cookie, argp->status); 498 return rpc_success; 499 } 500 501 static __be32 502 nlm4svc_proc_unused(struct svc_rqst *rqstp) 503 { 504 return rpc_proc_unavail; 505 } 506 507 508 /* 509 * NLM Server procedures. 510 */ 511 512 struct nlm_void { int dummy; }; 513 514 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ 515 #define No (1+1024/4) /* netobj */ 516 #define St 1 /* status */ 517 #define Rg 4 /* range (offset + length) */ 518 519 const struct svc_procedure nlmsvc_procedures4[24] = { 520 [NLMPROC_NULL] = { 521 .pc_func = nlm4svc_proc_null, 522 .pc_decode = nlm4svc_decode_void, 523 .pc_encode = nlm4svc_encode_void, 524 .pc_argsize = sizeof(struct nlm_void), 525 .pc_argzero = sizeof(struct nlm_void), 526 .pc_ressize = sizeof(struct nlm_void), 527 .pc_xdrressize = St, 528 .pc_name = "NULL", 529 }, 530 [NLMPROC_TEST] = { 531 .pc_func = nlm4svc_proc_test, 532 .pc_decode = nlm4svc_decode_testargs, 533 .pc_encode = nlm4svc_encode_testres, 534 .pc_argsize = sizeof(struct nlm_args), 535 .pc_argzero = sizeof(struct nlm_args), 536 .pc_ressize = sizeof(struct nlm_res), 537 .pc_xdrressize = Ck+St+2+No+Rg, 538 .pc_name = "TEST", 539 }, 540 [NLMPROC_LOCK] = { 541 .pc_func = nlm4svc_proc_lock, 542 .pc_decode = nlm4svc_decode_lockargs, 543 .pc_encode = nlm4svc_encode_res, 544 .pc_argsize = sizeof(struct nlm_args), 545 .pc_argzero = sizeof(struct nlm_args), 546 .pc_ressize = sizeof(struct nlm_res), 547 .pc_xdrressize = Ck+St, 548 .pc_name = "LOCK", 549 }, 550 [NLMPROC_CANCEL] = { 551 .pc_func = nlm4svc_proc_cancel, 552 .pc_decode = nlm4svc_decode_cancargs, 553 .pc_encode = nlm4svc_encode_res, 554 .pc_argsize = sizeof(struct nlm_args), 555 .pc_argzero = sizeof(struct nlm_args), 556 .pc_ressize = sizeof(struct nlm_res), 557 .pc_xdrressize = Ck+St, 558 .pc_name = "CANCEL", 559 }, 560 [NLMPROC_UNLOCK] = { 561 .pc_func = nlm4svc_proc_unlock, 562 .pc_decode = nlm4svc_decode_unlockargs, 563 .pc_encode = nlm4svc_encode_res, 564 .pc_argsize = sizeof(struct nlm_args), 565 .pc_argzero = sizeof(struct nlm_args), 566 .pc_ressize = sizeof(struct nlm_res), 567 .pc_xdrressize = Ck+St, 568 .pc_name = "UNLOCK", 569 }, 570 [NLMPROC_GRANTED] = { 571 .pc_func = nlm4svc_proc_granted, 572 .pc_decode = nlm4svc_decode_testargs, 573 .pc_encode = nlm4svc_encode_res, 574 .pc_argsize = sizeof(struct nlm_args), 575 .pc_argzero = sizeof(struct nlm_args), 576 .pc_ressize = sizeof(struct nlm_res), 577 .pc_xdrressize = Ck+St, 578 .pc_name = "GRANTED", 579 }, 580 [NLMPROC_TEST_MSG] = { 581 .pc_func = nlm4svc_proc_test_msg, 582 .pc_decode = nlm4svc_decode_testargs, 583 .pc_encode = nlm4svc_encode_void, 584 .pc_argsize = sizeof(struct nlm_args), 585 .pc_argzero = sizeof(struct nlm_args), 586 .pc_ressize = sizeof(struct nlm_void), 587 .pc_xdrressize = St, 588 .pc_name = "TEST_MSG", 589 }, 590 [NLMPROC_LOCK_MSG] = { 591 .pc_func = nlm4svc_proc_lock_msg, 592 .pc_decode = nlm4svc_decode_lockargs, 593 .pc_encode = nlm4svc_encode_void, 594 .pc_argsize = sizeof(struct nlm_args), 595 .pc_argzero = sizeof(struct nlm_args), 596 .pc_ressize = sizeof(struct nlm_void), 597 .pc_xdrressize = St, 598 .pc_name = "LOCK_MSG", 599 }, 600 [NLMPROC_CANCEL_MSG] = { 601 .pc_func = nlm4svc_proc_cancel_msg, 602 .pc_decode = nlm4svc_decode_cancargs, 603 .pc_encode = nlm4svc_encode_void, 604 .pc_argsize = sizeof(struct nlm_args), 605 .pc_argzero = sizeof(struct nlm_args), 606 .pc_ressize = sizeof(struct nlm_void), 607 .pc_xdrressize = St, 608 .pc_name = "CANCEL_MSG", 609 }, 610 [NLMPROC_UNLOCK_MSG] = { 611 .pc_func = nlm4svc_proc_unlock_msg, 612 .pc_decode = nlm4svc_decode_unlockargs, 613 .pc_encode = nlm4svc_encode_void, 614 .pc_argsize = sizeof(struct nlm_args), 615 .pc_argzero = sizeof(struct nlm_args), 616 .pc_ressize = sizeof(struct nlm_void), 617 .pc_xdrressize = St, 618 .pc_name = "UNLOCK_MSG", 619 }, 620 [NLMPROC_GRANTED_MSG] = { 621 .pc_func = nlm4svc_proc_granted_msg, 622 .pc_decode = nlm4svc_decode_testargs, 623 .pc_encode = nlm4svc_encode_void, 624 .pc_argsize = sizeof(struct nlm_args), 625 .pc_argzero = sizeof(struct nlm_args), 626 .pc_ressize = sizeof(struct nlm_void), 627 .pc_xdrressize = St, 628 .pc_name = "GRANTED_MSG", 629 }, 630 [NLMPROC_TEST_RES] = { 631 .pc_func = nlm4svc_proc_null, 632 .pc_decode = nlm4svc_decode_void, 633 .pc_encode = nlm4svc_encode_void, 634 .pc_argsize = sizeof(struct nlm_res), 635 .pc_argzero = sizeof(struct nlm_res), 636 .pc_ressize = sizeof(struct nlm_void), 637 .pc_xdrressize = St, 638 .pc_name = "TEST_RES", 639 }, 640 [NLMPROC_LOCK_RES] = { 641 .pc_func = nlm4svc_proc_null, 642 .pc_decode = nlm4svc_decode_void, 643 .pc_encode = nlm4svc_encode_void, 644 .pc_argsize = sizeof(struct nlm_res), 645 .pc_argzero = sizeof(struct nlm_res), 646 .pc_ressize = sizeof(struct nlm_void), 647 .pc_xdrressize = St, 648 .pc_name = "LOCK_RES", 649 }, 650 [NLMPROC_CANCEL_RES] = { 651 .pc_func = nlm4svc_proc_null, 652 .pc_decode = nlm4svc_decode_void, 653 .pc_encode = nlm4svc_encode_void, 654 .pc_argsize = sizeof(struct nlm_res), 655 .pc_argzero = sizeof(struct nlm_res), 656 .pc_ressize = sizeof(struct nlm_void), 657 .pc_xdrressize = St, 658 .pc_name = "CANCEL_RES", 659 }, 660 [NLMPROC_UNLOCK_RES] = { 661 .pc_func = nlm4svc_proc_null, 662 .pc_decode = nlm4svc_decode_void, 663 .pc_encode = nlm4svc_encode_void, 664 .pc_argsize = sizeof(struct nlm_res), 665 .pc_argzero = sizeof(struct nlm_res), 666 .pc_ressize = sizeof(struct nlm_void), 667 .pc_xdrressize = St, 668 .pc_name = "UNLOCK_RES", 669 }, 670 [NLMPROC_GRANTED_RES] = { 671 .pc_func = nlm4svc_proc_granted_res, 672 .pc_decode = nlm4svc_decode_res, 673 .pc_encode = nlm4svc_encode_void, 674 .pc_argsize = sizeof(struct nlm_res), 675 .pc_argzero = sizeof(struct nlm_res), 676 .pc_ressize = sizeof(struct nlm_void), 677 .pc_xdrressize = St, 678 .pc_name = "GRANTED_RES", 679 }, 680 [NLMPROC_NSM_NOTIFY] = { 681 .pc_func = nlm4svc_proc_sm_notify, 682 .pc_decode = nlm4svc_decode_reboot, 683 .pc_encode = nlm4svc_encode_void, 684 .pc_argsize = sizeof(struct nlm_reboot), 685 .pc_argzero = sizeof(struct nlm_reboot), 686 .pc_ressize = sizeof(struct nlm_void), 687 .pc_xdrressize = St, 688 .pc_name = "SM_NOTIFY", 689 }, 690 [17] = { 691 .pc_func = nlm4svc_proc_unused, 692 .pc_decode = nlm4svc_decode_void, 693 .pc_encode = nlm4svc_encode_void, 694 .pc_argsize = sizeof(struct nlm_void), 695 .pc_argzero = sizeof(struct nlm_void), 696 .pc_ressize = sizeof(struct nlm_void), 697 .pc_xdrressize = 0, 698 .pc_name = "UNUSED", 699 }, 700 [18] = { 701 .pc_func = nlm4svc_proc_unused, 702 .pc_decode = nlm4svc_decode_void, 703 .pc_encode = nlm4svc_encode_void, 704 .pc_argsize = sizeof(struct nlm_void), 705 .pc_argzero = sizeof(struct nlm_void), 706 .pc_ressize = sizeof(struct nlm_void), 707 .pc_xdrressize = 0, 708 .pc_name = "UNUSED", 709 }, 710 [19] = { 711 .pc_func = nlm4svc_proc_unused, 712 .pc_decode = nlm4svc_decode_void, 713 .pc_encode = nlm4svc_encode_void, 714 .pc_argsize = sizeof(struct nlm_void), 715 .pc_argzero = sizeof(struct nlm_void), 716 .pc_ressize = sizeof(struct nlm_void), 717 .pc_xdrressize = 0, 718 .pc_name = "UNUSED", 719 }, 720 [NLMPROC_SHARE] = { 721 .pc_func = nlm4svc_proc_share, 722 .pc_decode = nlm4svc_decode_shareargs, 723 .pc_encode = nlm4svc_encode_shareres, 724 .pc_argsize = sizeof(struct nlm_args), 725 .pc_argzero = sizeof(struct nlm_args), 726 .pc_ressize = sizeof(struct nlm_res), 727 .pc_xdrressize = Ck+St+1, 728 .pc_name = "SHARE", 729 }, 730 [NLMPROC_UNSHARE] = { 731 .pc_func = nlm4svc_proc_unshare, 732 .pc_decode = nlm4svc_decode_shareargs, 733 .pc_encode = nlm4svc_encode_shareres, 734 .pc_argsize = sizeof(struct nlm_args), 735 .pc_argzero = sizeof(struct nlm_args), 736 .pc_ressize = sizeof(struct nlm_res), 737 .pc_xdrressize = Ck+St+1, 738 .pc_name = "UNSHARE", 739 }, 740 [NLMPROC_NM_LOCK] = { 741 .pc_func = nlm4svc_proc_nm_lock, 742 .pc_decode = nlm4svc_decode_lockargs, 743 .pc_encode = nlm4svc_encode_res, 744 .pc_argsize = sizeof(struct nlm_args), 745 .pc_argzero = sizeof(struct nlm_args), 746 .pc_ressize = sizeof(struct nlm_res), 747 .pc_xdrressize = Ck+St, 748 .pc_name = "NM_LOCK", 749 }, 750 [NLMPROC_FREE_ALL] = { 751 .pc_func = nlm4svc_proc_free_all, 752 .pc_decode = nlm4svc_decode_notify, 753 .pc_encode = nlm4svc_encode_void, 754 .pc_argsize = sizeof(struct nlm_args), 755 .pc_argzero = sizeof(struct nlm_args), 756 .pc_ressize = sizeof(struct nlm_void), 757 .pc_xdrressize = St, 758 .pc_name = "FREE_ALL", 759 }, 760 }; 761