1// SPDX-License-Identifier: GPL-2.0 2/* 3 * linux/fs/lockd/svcproc.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#ifdef CONFIG_LOCKD_V4 20static __be32 21cast_to_nlm(__be32 status, u32 vers) 22{ 23 /* Note: status is assumed to be in network byte order !!! */ 24 if (vers != 4){ 25 switch (status) { 26 case nlm_granted: 27 case nlm_lck_denied: 28 case nlm_lck_denied_nolocks: 29 case nlm_lck_blocked: 30 case nlm_lck_denied_grace_period: 31 case nlm_drop_reply: 32 break; 33 case nlm4_deadlock: 34 status = nlm_lck_denied; 35 break; 36 default: 37 status = nlm_lck_denied_nolocks; 38 } 39 } 40 41 return (status); 42} 43#define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers)) 44#else 45#define cast_status(status) (status) 46#endif 47 48/* 49 * Obtain client and file from arguments 50 */ 51static __be32 52nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, 53 struct nlm_host **hostp, struct nlm_file **filp) 54{ 55 struct nlm_host *host = NULL; 56 struct nlm_file *file = NULL; 57 struct nlm_lock *lock = &argp->lock; 58 __be32 error = 0; 59 60 /* nfsd callbacks must have been installed for this procedure */ 61 if (!nlmsvc_ops) 62 return nlm_lck_denied_nolocks; 63 64 /* Obtain host handle */ 65 if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) 66 || (argp->monitor && nsm_monitor(host) < 0)) 67 goto no_locks; 68 *hostp = host; 69 70 /* Obtain file pointer. Not used by FREE_ALL call. */ 71 if (filp != NULL) { 72 error = cast_status(nlm_lookup_file(rqstp, &file, &lock->fh)); 73 if (error != 0) 74 goto no_locks; 75 *filp = file; 76 77 /* Set up the missing parts of the file_lock structure */ 78 lock->fl.fl_file = file->f_file; 79 lock->fl.fl_pid = current->tgid; 80 lock->fl.fl_lmops = &nlmsvc_lock_operations; 81 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid); 82 if (!lock->fl.fl_owner) { 83 /* lockowner allocation has failed */ 84 nlmsvc_release_host(host); 85 return nlm_lck_denied_nolocks; 86 } 87 } 88 89 return 0; 90 91no_locks: 92 nlmsvc_release_host(host); 93 if (error) 94 return error; 95 return nlm_lck_denied_nolocks; 96} 97 98/* 99 * NULL: Test for presence of service 100 */ 101static __be32 102nlmsvc_proc_null(struct svc_rqst *rqstp) 103{ 104 dprintk("lockd: NULL called\n"); 105 return rpc_success; 106} 107 108/* 109 * TEST: Check for conflicting lock 110 */ 111static __be32 112__nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp) 113{ 114 struct nlm_args *argp = rqstp->rq_argp; 115 struct nlm_host *host; 116 struct nlm_file *file; 117 __be32 rc = rpc_success; 118 119 dprintk("lockd: TEST called\n"); 120 resp->cookie = argp->cookie; 121 122 /* Obtain client and file */ 123 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 124 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 125 126 /* Now check for conflicting locks */ 127 resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie)); 128 if (resp->status == nlm_drop_reply) 129 rc = rpc_drop_reply; 130 else 131 dprintk("lockd: TEST status %d vers %d\n", 132 ntohl(resp->status), rqstp->rq_vers); 133 134 nlmsvc_release_lockowner(&argp->lock); 135 nlmsvc_release_host(host); 136 nlm_release_file(file); 137 return rc; 138} 139 140static __be32 141nlmsvc_proc_test(struct svc_rqst *rqstp) 142{ 143 return __nlmsvc_proc_test(rqstp, rqstp->rq_resp); 144} 145 146static __be32 147__nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp) 148{ 149 struct nlm_args *argp = rqstp->rq_argp; 150 struct nlm_host *host; 151 struct nlm_file *file; 152 __be32 rc = rpc_success; 153 154 dprintk("lockd: LOCK called\n"); 155 156 resp->cookie = argp->cookie; 157 158 /* Obtain client and file */ 159 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 160 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 161 162#if 0 163 /* If supplied state doesn't match current state, we assume it's 164 * an old request that time-warped somehow. Any error return would 165 * do in this case because it's irrelevant anyway. 166 * 167 * NB: We don't retrieve the remote host's state yet. 168 */ 169 if (host->h_nsmstate && host->h_nsmstate != argp->state) { 170 resp->status = nlm_lck_denied_nolocks; 171 } else 172#endif 173 174 /* Now try to lock the file */ 175 resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock, 176 argp->block, &argp->cookie, 177 argp->reclaim)); 178 if (resp->status == nlm_drop_reply) 179 rc = rpc_drop_reply; 180 else 181 dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); 182 183 nlmsvc_release_lockowner(&argp->lock); 184 nlmsvc_release_host(host); 185 nlm_release_file(file); 186 return rc; 187} 188 189static __be32 190nlmsvc_proc_lock(struct svc_rqst *rqstp) 191{ 192 return __nlmsvc_proc_lock(rqstp, rqstp->rq_resp); 193} 194 195static __be32 196__nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp) 197{ 198 struct nlm_args *argp = rqstp->rq_argp; 199 struct nlm_host *host; 200 struct nlm_file *file; 201 struct net *net = SVC_NET(rqstp); 202 203 dprintk("lockd: CANCEL called\n"); 204 205 resp->cookie = argp->cookie; 206 207 /* Don't accept requests during grace period */ 208 if (locks_in_grace(net)) { 209 resp->status = nlm_lck_denied_grace_period; 210 return rpc_success; 211 } 212 213 /* Obtain client and file */ 214 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 215 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 216 217 /* Try to cancel request. */ 218 resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock)); 219 220 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); 221 nlmsvc_release_lockowner(&argp->lock); 222 nlmsvc_release_host(host); 223 nlm_release_file(file); 224 return rpc_success; 225} 226 227static __be32 228nlmsvc_proc_cancel(struct svc_rqst *rqstp) 229{ 230 return __nlmsvc_proc_cancel(rqstp, rqstp->rq_resp); 231} 232 233/* 234 * UNLOCK: release a lock 235 */ 236static __be32 237__nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp) 238{ 239 struct nlm_args *argp = rqstp->rq_argp; 240 struct nlm_host *host; 241 struct nlm_file *file; 242 struct net *net = SVC_NET(rqstp); 243 244 dprintk("lockd: UNLOCK called\n"); 245 246 resp->cookie = argp->cookie; 247 248 /* Don't accept new lock requests during grace period */ 249 if (locks_in_grace(net)) { 250 resp->status = nlm_lck_denied_grace_period; 251 return rpc_success; 252 } 253 254 /* Obtain client and file */ 255 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 256 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 257 258 /* Now try to remove the lock */ 259 resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock)); 260 261 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); 262 nlmsvc_release_lockowner(&argp->lock); 263 nlmsvc_release_host(host); 264 nlm_release_file(file); 265 return rpc_success; 266} 267 268static __be32 269nlmsvc_proc_unlock(struct svc_rqst *rqstp) 270{ 271 return __nlmsvc_proc_unlock(rqstp, rqstp->rq_resp); 272} 273 274/* 275 * GRANTED: A server calls us to tell that a process' lock request 276 * was granted 277 */ 278static __be32 279__nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp) 280{ 281 struct nlm_args *argp = rqstp->rq_argp; 282 283 resp->cookie = argp->cookie; 284 285 dprintk("lockd: GRANTED called\n"); 286 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock); 287 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); 288 return rpc_success; 289} 290 291static __be32 292nlmsvc_proc_granted(struct svc_rqst *rqstp) 293{ 294 return __nlmsvc_proc_granted(rqstp, rqstp->rq_resp); 295} 296 297/* 298 * This is the generic lockd callback for async RPC calls 299 */ 300static void nlmsvc_callback_exit(struct rpc_task *task, void *data) 301{ 302 dprintk("lockd: %5u callback returned %d\n", task->tk_pid, 303 -task->tk_status); 304} 305 306void nlmsvc_release_call(struct nlm_rqst *call) 307{ 308 if (!refcount_dec_and_test(&call->a_count)) 309 return; 310 nlmsvc_release_host(call->a_host); 311 kfree(call); 312} 313 314static void nlmsvc_callback_release(void *data) 315{ 316 nlmsvc_release_call(data); 317} 318 319static const struct rpc_call_ops nlmsvc_callback_ops = { 320 .rpc_call_done = nlmsvc_callback_exit, 321 .rpc_release = nlmsvc_callback_release, 322}; 323 324/* 325 * `Async' versions of the above service routines. They aren't really, 326 * because we send the callback before the reply proper. I hope this 327 * doesn't break any clients. 328 */ 329static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, 330 __be32 (*func)(struct svc_rqst *, struct nlm_res *)) 331{ 332 struct nlm_args *argp = rqstp->rq_argp; 333 struct nlm_host *host; 334 struct nlm_rqst *call; 335 __be32 stat; 336 337 host = nlmsvc_lookup_host(rqstp, 338 argp->lock.caller, 339 argp->lock.len); 340 if (host == NULL) 341 return rpc_system_err; 342 343 call = nlm_alloc_call(host); 344 nlmsvc_release_host(host); 345 if (call == NULL) 346 return rpc_system_err; 347 348 stat = func(rqstp, &call->a_res); 349 if (stat != 0) { 350 nlmsvc_release_call(call); 351 return stat; 352 } 353 354 call->a_flags = RPC_TASK_ASYNC; 355 if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0) 356 return rpc_system_err; 357 return rpc_success; 358} 359 360static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp) 361{ 362 dprintk("lockd: TEST_MSG called\n"); 363 return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, __nlmsvc_proc_test); 364} 365 366static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp) 367{ 368 dprintk("lockd: LOCK_MSG called\n"); 369 return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, __nlmsvc_proc_lock); 370} 371 372static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp) 373{ 374 dprintk("lockd: CANCEL_MSG called\n"); 375 return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, __nlmsvc_proc_cancel); 376} 377 378static __be32 379nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp) 380{ 381 dprintk("lockd: UNLOCK_MSG called\n"); 382 return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlmsvc_proc_unlock); 383} 384 385static __be32 386nlmsvc_proc_granted_msg(struct svc_rqst *rqstp) 387{ 388 dprintk("lockd: GRANTED_MSG called\n"); 389 return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, __nlmsvc_proc_granted); 390} 391 392/* 393 * SHARE: create a DOS share or alter existing share. 394 */ 395static __be32 396nlmsvc_proc_share(struct svc_rqst *rqstp) 397{ 398 struct nlm_args *argp = rqstp->rq_argp; 399 struct nlm_res *resp = rqstp->rq_resp; 400 struct nlm_host *host; 401 struct nlm_file *file; 402 403 dprintk("lockd: SHARE called\n"); 404 405 resp->cookie = argp->cookie; 406 407 /* Don't accept new lock requests during grace period */ 408 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) { 409 resp->status = nlm_lck_denied_grace_period; 410 return rpc_success; 411 } 412 413 /* Obtain client and file */ 414 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 415 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 416 417 /* Now try to create the share */ 418 resp->status = cast_status(nlmsvc_share_file(host, file, argp)); 419 420 dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); 421 nlmsvc_release_lockowner(&argp->lock); 422 nlmsvc_release_host(host); 423 nlm_release_file(file); 424 return rpc_success; 425} 426 427/* 428 * UNSHARE: Release a DOS share. 429 */ 430static __be32 431nlmsvc_proc_unshare(struct svc_rqst *rqstp) 432{ 433 struct nlm_args *argp = rqstp->rq_argp; 434 struct nlm_res *resp = rqstp->rq_resp; 435 struct nlm_host *host; 436 struct nlm_file *file; 437 438 dprintk("lockd: UNSHARE called\n"); 439 440 resp->cookie = argp->cookie; 441 442 /* Don't accept requests during grace period */ 443 if (locks_in_grace(SVC_NET(rqstp))) { 444 resp->status = nlm_lck_denied_grace_period; 445 return rpc_success; 446 } 447 448 /* Obtain client and file */ 449 if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) 450 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 451 452 /* Now try to unshare the file */ 453 resp->status = cast_status(nlmsvc_unshare_file(host, file, argp)); 454 455 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); 456 nlmsvc_release_lockowner(&argp->lock); 457 nlmsvc_release_host(host); 458 nlm_release_file(file); 459 return rpc_success; 460} 461 462/* 463 * NM_LOCK: Create an unmonitored lock 464 */ 465static __be32 466nlmsvc_proc_nm_lock(struct svc_rqst *rqstp) 467{ 468 struct nlm_args *argp = rqstp->rq_argp; 469 470 dprintk("lockd: NM_LOCK called\n"); 471 472 argp->monitor = 0; /* just clean the monitor flag */ 473 return nlmsvc_proc_lock(rqstp); 474} 475 476/* 477 * FREE_ALL: Release all locks and shares held by client 478 */ 479static __be32 480nlmsvc_proc_free_all(struct svc_rqst *rqstp) 481{ 482 struct nlm_args *argp = rqstp->rq_argp; 483 struct nlm_host *host; 484 485 /* Obtain client */ 486 if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL)) 487 return rpc_success; 488 489 nlmsvc_free_host_resources(host); 490 nlmsvc_release_host(host); 491 return rpc_success; 492} 493 494/* 495 * SM_NOTIFY: private callback from statd (not part of official NLM proto) 496 */ 497static __be32 498nlmsvc_proc_sm_notify(struct svc_rqst *rqstp) 499{ 500 struct nlm_reboot *argp = rqstp->rq_argp; 501 502 dprintk("lockd: SM_NOTIFY called\n"); 503 504 if (!nlm_privileged_requester(rqstp)) { 505 char buf[RPC_MAX_ADDRBUFLEN]; 506 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", 507 svc_print_addr(rqstp, buf, sizeof(buf))); 508 return rpc_system_err; 509 } 510 511 nlm_host_rebooted(SVC_NET(rqstp), argp); 512 return rpc_success; 513} 514 515/* 516 * client sent a GRANTED_RES, let's remove the associated block 517 */ 518static __be32 519nlmsvc_proc_granted_res(struct svc_rqst *rqstp) 520{ 521 struct nlm_res *argp = rqstp->rq_argp; 522 523 if (!nlmsvc_ops) 524 return rpc_success; 525 526 dprintk("lockd: GRANTED_RES called\n"); 527 528 nlmsvc_grant_reply(&argp->cookie, argp->status); 529 return rpc_success; 530} 531 532static __be32 533nlmsvc_proc_unused(struct svc_rqst *rqstp) 534{ 535 return rpc_proc_unavail; 536} 537 538/* 539 * NLM Server procedures. 540 */ 541 542struct nlm_void { int dummy; }; 543 544#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ 545#define St 1 /* status */ 546#define No (1+1024/4) /* Net Obj */ 547#define Rg 2 /* range - offset + size */ 548 549const struct svc_procedure nlmsvc_procedures[24] = { 550 [NLMPROC_NULL] = { 551 .pc_func = nlmsvc_proc_null, 552 .pc_decode = nlmsvc_decode_void, 553 .pc_encode = nlmsvc_encode_void, 554 .pc_argsize = sizeof(struct nlm_void), 555 .pc_ressize = sizeof(struct nlm_void), 556 .pc_xdrressize = St, 557 }, 558 [NLMPROC_TEST] = { 559 .pc_func = nlmsvc_proc_test, 560 .pc_decode = nlmsvc_decode_testargs, 561 .pc_encode = nlmsvc_encode_testres, 562 .pc_argsize = sizeof(struct nlm_args), 563 .pc_ressize = sizeof(struct nlm_res), 564 .pc_xdrressize = Ck+St+2+No+Rg, 565 }, 566 [NLMPROC_LOCK] = { 567 .pc_func = nlmsvc_proc_lock, 568 .pc_decode = nlmsvc_decode_lockargs, 569 .pc_encode = nlmsvc_encode_res, 570 .pc_argsize = sizeof(struct nlm_args), 571 .pc_ressize = sizeof(struct nlm_res), 572 .pc_xdrressize = Ck+St, 573 }, 574 [NLMPROC_CANCEL] = { 575 .pc_func = nlmsvc_proc_cancel, 576 .pc_decode = nlmsvc_decode_cancargs, 577 .pc_encode = nlmsvc_encode_res, 578 .pc_argsize = sizeof(struct nlm_args), 579 .pc_ressize = sizeof(struct nlm_res), 580 .pc_xdrressize = Ck+St, 581 }, 582 [NLMPROC_UNLOCK] = { 583 .pc_func = nlmsvc_proc_unlock, 584 .pc_decode = nlmsvc_decode_unlockargs, 585 .pc_encode = nlmsvc_encode_res, 586 .pc_argsize = sizeof(struct nlm_args), 587 .pc_ressize = sizeof(struct nlm_res), 588 .pc_xdrressize = Ck+St, 589 }, 590 [NLMPROC_GRANTED] = { 591 .pc_func = nlmsvc_proc_granted, 592 .pc_decode = nlmsvc_decode_testargs, 593 .pc_encode = nlmsvc_encode_res, 594 .pc_argsize = sizeof(struct nlm_args), 595 .pc_ressize = sizeof(struct nlm_res), 596 .pc_xdrressize = Ck+St, 597 }, 598 [NLMPROC_TEST_MSG] = { 599 .pc_func = nlmsvc_proc_test_msg, 600 .pc_decode = nlmsvc_decode_testargs, 601 .pc_encode = nlmsvc_encode_void, 602 .pc_argsize = sizeof(struct nlm_args), 603 .pc_ressize = sizeof(struct nlm_void), 604 .pc_xdrressize = St, 605 }, 606 [NLMPROC_LOCK_MSG] = { 607 .pc_func = nlmsvc_proc_lock_msg, 608 .pc_decode = nlmsvc_decode_lockargs, 609 .pc_encode = nlmsvc_encode_void, 610 .pc_argsize = sizeof(struct nlm_args), 611 .pc_ressize = sizeof(struct nlm_void), 612 .pc_xdrressize = St, 613 }, 614 [NLMPROC_CANCEL_MSG] = { 615 .pc_func = nlmsvc_proc_cancel_msg, 616 .pc_decode = nlmsvc_decode_cancargs, 617 .pc_encode = nlmsvc_encode_void, 618 .pc_argsize = sizeof(struct nlm_args), 619 .pc_ressize = sizeof(struct nlm_void), 620 .pc_xdrressize = St, 621 }, 622 [NLMPROC_UNLOCK_MSG] = { 623 .pc_func = nlmsvc_proc_unlock_msg, 624 .pc_decode = nlmsvc_decode_unlockargs, 625 .pc_encode = nlmsvc_encode_void, 626 .pc_argsize = sizeof(struct nlm_args), 627 .pc_ressize = sizeof(struct nlm_void), 628 .pc_xdrressize = St, 629 }, 630 [NLMPROC_GRANTED_MSG] = { 631 .pc_func = nlmsvc_proc_granted_msg, 632 .pc_decode = nlmsvc_decode_testargs, 633 .pc_encode = nlmsvc_encode_void, 634 .pc_argsize = sizeof(struct nlm_args), 635 .pc_ressize = sizeof(struct nlm_void), 636 .pc_xdrressize = St, 637 }, 638 [NLMPROC_TEST_RES] = { 639 .pc_func = nlmsvc_proc_null, 640 .pc_decode = nlmsvc_decode_void, 641 .pc_encode = nlmsvc_encode_void, 642 .pc_argsize = sizeof(struct nlm_res), 643 .pc_ressize = sizeof(struct nlm_void), 644 .pc_xdrressize = St, 645 }, 646 [NLMPROC_LOCK_RES] = { 647 .pc_func = nlmsvc_proc_null, 648 .pc_decode = nlmsvc_decode_void, 649 .pc_encode = nlmsvc_encode_void, 650 .pc_argsize = sizeof(struct nlm_res), 651 .pc_ressize = sizeof(struct nlm_void), 652 .pc_xdrressize = St, 653 }, 654 [NLMPROC_CANCEL_RES] = { 655 .pc_func = nlmsvc_proc_null, 656 .pc_decode = nlmsvc_decode_void, 657 .pc_encode = nlmsvc_encode_void, 658 .pc_argsize = sizeof(struct nlm_res), 659 .pc_ressize = sizeof(struct nlm_void), 660 .pc_xdrressize = St, 661 }, 662 [NLMPROC_UNLOCK_RES] = { 663 .pc_func = nlmsvc_proc_null, 664 .pc_decode = nlmsvc_decode_void, 665 .pc_encode = nlmsvc_encode_void, 666 .pc_argsize = sizeof(struct nlm_res), 667 .pc_ressize = sizeof(struct nlm_void), 668 .pc_xdrressize = St, 669 }, 670 [NLMPROC_GRANTED_RES] = { 671 .pc_func = nlmsvc_proc_granted_res, 672 .pc_decode = nlmsvc_decode_res, 673 .pc_encode = nlmsvc_encode_void, 674 .pc_argsize = sizeof(struct nlm_res), 675 .pc_ressize = sizeof(struct nlm_void), 676 .pc_xdrressize = St, 677 }, 678 [NLMPROC_NSM_NOTIFY] = { 679 .pc_func = nlmsvc_proc_sm_notify, 680 .pc_decode = nlmsvc_decode_reboot, 681 .pc_encode = nlmsvc_encode_void, 682 .pc_argsize = sizeof(struct nlm_reboot), 683 .pc_ressize = sizeof(struct nlm_void), 684 .pc_xdrressize = St, 685 }, 686 [17] = { 687 .pc_func = nlmsvc_proc_unused, 688 .pc_decode = nlmsvc_decode_void, 689 .pc_encode = nlmsvc_encode_void, 690 .pc_argsize = sizeof(struct nlm_void), 691 .pc_ressize = sizeof(struct nlm_void), 692 .pc_xdrressize = St, 693 }, 694 [18] = { 695 .pc_func = nlmsvc_proc_unused, 696 .pc_decode = nlmsvc_decode_void, 697 .pc_encode = nlmsvc_encode_void, 698 .pc_argsize = sizeof(struct nlm_void), 699 .pc_ressize = sizeof(struct nlm_void), 700 .pc_xdrressize = St, 701 }, 702 [19] = { 703 .pc_func = nlmsvc_proc_unused, 704 .pc_decode = nlmsvc_decode_void, 705 .pc_encode = nlmsvc_encode_void, 706 .pc_argsize = sizeof(struct nlm_void), 707 .pc_ressize = sizeof(struct nlm_void), 708 .pc_xdrressize = St, 709 }, 710 [NLMPROC_SHARE] = { 711 .pc_func = nlmsvc_proc_share, 712 .pc_decode = nlmsvc_decode_shareargs, 713 .pc_encode = nlmsvc_encode_shareres, 714 .pc_argsize = sizeof(struct nlm_args), 715 .pc_ressize = sizeof(struct nlm_res), 716 .pc_xdrressize = Ck+St+1, 717 }, 718 [NLMPROC_UNSHARE] = { 719 .pc_func = nlmsvc_proc_unshare, 720 .pc_decode = nlmsvc_decode_shareargs, 721 .pc_encode = nlmsvc_encode_shareres, 722 .pc_argsize = sizeof(struct nlm_args), 723 .pc_ressize = sizeof(struct nlm_res), 724 .pc_xdrressize = Ck+St+1, 725 }, 726 [NLMPROC_NM_LOCK] = { 727 .pc_func = nlmsvc_proc_nm_lock, 728 .pc_decode = nlmsvc_decode_lockargs, 729 .pc_encode = nlmsvc_encode_res, 730 .pc_argsize = sizeof(struct nlm_args), 731 .pc_ressize = sizeof(struct nlm_res), 732 .pc_xdrressize = Ck+St, 733 }, 734 [NLMPROC_FREE_ALL] = { 735 .pc_func = nlmsvc_proc_free_all, 736 .pc_decode = nlmsvc_decode_notify, 737 .pc_encode = nlmsvc_encode_void, 738 .pc_argsize = sizeof(struct nlm_args), 739 .pc_ressize = sizeof(struct nlm_void), 740 .pc_xdrressize = 0, 741 }, 742}; 743