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 lock->fl.c.flc_flags = FL_POSIX; 50 51 error = nlm_lookup_file(rqstp, &file, lock); 52 if (error) 53 goto no_locks; 54 *filp = file; 55 56 /* Set up the missing parts of the file_lock structure */ 57 lock->fl.c.flc_file = file->f_file[mode]; 58 lock->fl.c.flc_pid = current->tgid; 59 lock->fl.fl_start = (loff_t)lock->lock_start; 60 lock->fl.fl_end = lock->lock_len ? 61 (loff_t)(lock->lock_start + lock->lock_len - 1) : 62 OFFSET_MAX; 63 lock->fl.fl_lmops = &nlmsvc_lock_operations; 64 nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid); 65 if (!lock->fl.c.flc_owner) { 66 /* lockowner allocation has failed */ 67 nlmsvc_release_host(host); 68 return nlm_lck_denied_nolocks; 69 } 70 } 71 72 return 0; 73 74 no_locks: 75 nlmsvc_release_host(host); 76 if (error) 77 return error; 78 return nlm_lck_denied_nolocks; 79 } 80 81 /* 82 * NULL: Test for presence of service 83 */ 84 static __be32 85 nlm4svc_proc_null(struct svc_rqst *rqstp) 86 { 87 dprintk("lockd: NULL called\n"); 88 return rpc_success; 89 } 90 91 /* 92 * TEST: Check for conflicting lock 93 */ 94 static __be32 95 __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp) 96 { 97 struct nlm_args *argp = rqstp->rq_argp; 98 struct nlm_host *host; 99 struct nlm_file *file; 100 struct nlm_lockowner *test_owner; 101 __be32 rc = rpc_success; 102 103 dprintk("lockd: TEST4 called\n"); 104 resp->cookie = argp->cookie; 105 106 /* Obtain client and file */ 107 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 108 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 109 110 test_owner = argp->lock.fl.c.flc_owner; 111 /* Now check for conflicting locks */ 112 resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, 113 &resp->lock); 114 if (resp->status == nlm_drop_reply) 115 rc = rpc_drop_reply; 116 else 117 dprintk("lockd: TEST4 status %d\n", ntohl(resp->status)); 118 119 nlmsvc_put_lockowner(test_owner); 120 nlmsvc_release_host(host); 121 nlm_release_file(file); 122 return rc; 123 } 124 125 static __be32 126 nlm4svc_proc_test(struct svc_rqst *rqstp) 127 { 128 return __nlm4svc_proc_test(rqstp, rqstp->rq_resp); 129 } 130 131 static __be32 132 __nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp) 133 { 134 struct nlm_args *argp = rqstp->rq_argp; 135 struct nlm_host *host; 136 struct nlm_file *file; 137 __be32 rc = rpc_success; 138 139 dprintk("lockd: LOCK called\n"); 140 141 resp->cookie = argp->cookie; 142 143 /* Obtain client and file */ 144 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 145 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 146 147 /* Now try to lock the file */ 148 resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock, 149 argp->block, &argp->cookie, 150 argp->reclaim); 151 if (resp->status == nlm_drop_reply) 152 rc = rpc_drop_reply; 153 else 154 dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); 155 156 nlmsvc_release_lockowner(&argp->lock); 157 nlmsvc_release_host(host); 158 nlm_release_file(file); 159 return rc; 160 } 161 162 static __be32 163 nlm4svc_proc_lock(struct svc_rqst *rqstp) 164 { 165 return __nlm4svc_proc_lock(rqstp, rqstp->rq_resp); 166 } 167 168 static __be32 169 __nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp) 170 { 171 struct nlm_args *argp = rqstp->rq_argp; 172 struct nlm_host *host; 173 struct nlm_file *file; 174 175 dprintk("lockd: CANCEL called\n"); 176 177 resp->cookie = argp->cookie; 178 179 /* Don't accept requests during grace period */ 180 if (locks_in_grace(SVC_NET(rqstp))) { 181 resp->status = nlm_lck_denied_grace_period; 182 return rpc_success; 183 } 184 185 /* Obtain client and file */ 186 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 187 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 188 189 /* Try to cancel request. */ 190 resp->status = nlmsvc_cancel_blocked(SVC_NET(rqstp), file, &argp->lock); 191 192 dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); 193 nlmsvc_release_lockowner(&argp->lock); 194 nlmsvc_release_host(host); 195 nlm_release_file(file); 196 return rpc_success; 197 } 198 199 static __be32 200 nlm4svc_proc_cancel(struct svc_rqst *rqstp) 201 { 202 return __nlm4svc_proc_cancel(rqstp, rqstp->rq_resp); 203 } 204 205 /* 206 * UNLOCK: release a lock 207 */ 208 static __be32 209 __nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp) 210 { 211 struct nlm_args *argp = rqstp->rq_argp; 212 struct nlm_host *host; 213 struct nlm_file *file; 214 215 dprintk("lockd: UNLOCK called\n"); 216 217 resp->cookie = argp->cookie; 218 219 /* Don't accept new lock requests during grace period */ 220 if (locks_in_grace(SVC_NET(rqstp))) { 221 resp->status = nlm_lck_denied_grace_period; 222 return rpc_success; 223 } 224 225 /* Obtain client and file */ 226 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 227 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 228 229 /* Now try to remove the lock */ 230 resp->status = nlmsvc_unlock(SVC_NET(rqstp), file, &argp->lock); 231 232 dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); 233 nlmsvc_release_lockowner(&argp->lock); 234 nlmsvc_release_host(host); 235 nlm_release_file(file); 236 return rpc_success; 237 } 238 239 static __be32 240 nlm4svc_proc_unlock(struct svc_rqst *rqstp) 241 { 242 return __nlm4svc_proc_unlock(rqstp, rqstp->rq_resp); 243 } 244 245 /* 246 * GRANTED: A server calls us to tell that a process' lock request 247 * was granted 248 */ 249 static __be32 250 __nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp) 251 { 252 struct nlm_args *argp = rqstp->rq_argp; 253 254 resp->cookie = argp->cookie; 255 256 dprintk("lockd: GRANTED called\n"); 257 resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock); 258 dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); 259 return rpc_success; 260 } 261 262 static __be32 263 nlm4svc_proc_granted(struct svc_rqst *rqstp) 264 { 265 return __nlm4svc_proc_granted(rqstp, rqstp->rq_resp); 266 } 267 268 /* 269 * This is the generic lockd callback for async RPC calls 270 */ 271 static void nlm4svc_callback_exit(struct rpc_task *task, void *data) 272 { 273 } 274 275 static void nlm4svc_callback_release(void *data) 276 { 277 nlmsvc_release_call(data); 278 } 279 280 static const struct rpc_call_ops nlm4svc_callback_ops = { 281 .rpc_call_done = nlm4svc_callback_exit, 282 .rpc_release = nlm4svc_callback_release, 283 }; 284 285 /* 286 * `Async' versions of the above service routines. They aren't really, 287 * because we send the callback before the reply proper. I hope this 288 * doesn't break any clients. 289 */ 290 static __be32 nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, 291 __be32 (*func)(struct svc_rqst *, struct nlm_res *)) 292 { 293 struct nlm_args *argp = rqstp->rq_argp; 294 struct nlm_host *host; 295 struct nlm_rqst *call; 296 __be32 stat; 297 298 host = nlmsvc_lookup_host(rqstp, 299 argp->lock.caller, 300 argp->lock.len); 301 if (host == NULL) 302 return rpc_system_err; 303 304 call = nlm_alloc_call(host); 305 nlmsvc_release_host(host); 306 if (call == NULL) 307 return rpc_system_err; 308 309 stat = func(rqstp, &call->a_res); 310 if (stat != 0) { 311 nlmsvc_release_call(call); 312 return stat; 313 } 314 315 call->a_flags = RPC_TASK_ASYNC; 316 if (nlm_async_reply(call, proc, &nlm4svc_callback_ops) < 0) 317 return rpc_system_err; 318 return rpc_success; 319 } 320 321 static __be32 nlm4svc_proc_test_msg(struct svc_rqst *rqstp) 322 { 323 dprintk("lockd: TEST_MSG called\n"); 324 return nlm4svc_callback(rqstp, NLMPROC_TEST_RES, __nlm4svc_proc_test); 325 } 326 327 static __be32 nlm4svc_proc_lock_msg(struct svc_rqst *rqstp) 328 { 329 dprintk("lockd: LOCK_MSG called\n"); 330 return nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, __nlm4svc_proc_lock); 331 } 332 333 static __be32 nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp) 334 { 335 dprintk("lockd: CANCEL_MSG called\n"); 336 return nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, __nlm4svc_proc_cancel); 337 } 338 339 static __be32 nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp) 340 { 341 dprintk("lockd: UNLOCK_MSG called\n"); 342 return nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlm4svc_proc_unlock); 343 } 344 345 static __be32 nlm4svc_proc_granted_msg(struct svc_rqst *rqstp) 346 { 347 dprintk("lockd: GRANTED_MSG called\n"); 348 return nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, __nlm4svc_proc_granted); 349 } 350 351 /* 352 * SHARE: create a DOS share or alter existing share. 353 */ 354 static __be32 355 nlm4svc_proc_share(struct svc_rqst *rqstp) 356 { 357 struct nlm_args *argp = rqstp->rq_argp; 358 struct nlm_res *resp = rqstp->rq_resp; 359 struct nlm_host *host; 360 struct nlm_file *file; 361 362 dprintk("lockd: SHARE called\n"); 363 364 resp->cookie = argp->cookie; 365 366 /* Don't accept new lock requests during grace period */ 367 if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) { 368 resp->status = nlm_lck_denied_grace_period; 369 return rpc_success; 370 } 371 372 /* Obtain client and file */ 373 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 374 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 375 376 /* Now try to create the share */ 377 resp->status = nlmsvc_share_file(host, file, argp); 378 379 dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); 380 nlmsvc_release_lockowner(&argp->lock); 381 nlmsvc_release_host(host); 382 nlm_release_file(file); 383 return rpc_success; 384 } 385 386 /* 387 * UNSHARE: Release a DOS share. 388 */ 389 static __be32 390 nlm4svc_proc_unshare(struct svc_rqst *rqstp) 391 { 392 struct nlm_args *argp = rqstp->rq_argp; 393 struct nlm_res *resp = rqstp->rq_resp; 394 struct nlm_host *host; 395 struct nlm_file *file; 396 397 dprintk("lockd: UNSHARE called\n"); 398 399 resp->cookie = argp->cookie; 400 401 /* Don't accept requests during grace period */ 402 if (locks_in_grace(SVC_NET(rqstp))) { 403 resp->status = nlm_lck_denied_grace_period; 404 return rpc_success; 405 } 406 407 /* Obtain client and file */ 408 if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) 409 return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success; 410 411 /* Now try to lock the file */ 412 resp->status = nlmsvc_unshare_file(host, file, argp); 413 414 dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); 415 nlmsvc_release_lockowner(&argp->lock); 416 nlmsvc_release_host(host); 417 nlm_release_file(file); 418 return rpc_success; 419 } 420 421 /* 422 * NM_LOCK: Create an unmonitored lock 423 */ 424 static __be32 425 nlm4svc_proc_nm_lock(struct svc_rqst *rqstp) 426 { 427 struct nlm_args *argp = rqstp->rq_argp; 428 429 dprintk("lockd: NM_LOCK called\n"); 430 431 argp->monitor = 0; /* just clean the monitor flag */ 432 return nlm4svc_proc_lock(rqstp); 433 } 434 435 /* 436 * FREE_ALL: Release all locks and shares held by client 437 */ 438 static __be32 439 nlm4svc_proc_free_all(struct svc_rqst *rqstp) 440 { 441 struct nlm_args *argp = rqstp->rq_argp; 442 struct nlm_host *host; 443 444 /* Obtain client */ 445 if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL)) 446 return rpc_success; 447 448 nlmsvc_free_host_resources(host); 449 nlmsvc_release_host(host); 450 return rpc_success; 451 } 452 453 /* 454 * SM_NOTIFY: private callback from statd (not part of official NLM proto) 455 */ 456 static __be32 457 nlm4svc_proc_sm_notify(struct svc_rqst *rqstp) 458 { 459 struct nlm_reboot *argp = rqstp->rq_argp; 460 461 dprintk("lockd: SM_NOTIFY called\n"); 462 463 if (!nlm_privileged_requester(rqstp)) { 464 char buf[RPC_MAX_ADDRBUFLEN]; 465 printk(KERN_WARNING "lockd: rejected NSM callback from %s\n", 466 svc_print_addr(rqstp, buf, sizeof(buf))); 467 return rpc_system_err; 468 } 469 470 nlm_host_rebooted(SVC_NET(rqstp), argp); 471 return rpc_success; 472 } 473 474 /* 475 * client sent a GRANTED_RES, let's remove the associated block 476 */ 477 static __be32 478 nlm4svc_proc_granted_res(struct svc_rqst *rqstp) 479 { 480 struct nlm_res *argp = rqstp->rq_argp; 481 482 if (!nlmsvc_ops) 483 return rpc_success; 484 485 dprintk("lockd: GRANTED_RES called\n"); 486 487 nlmsvc_grant_reply(&argp->cookie, argp->status); 488 return rpc_success; 489 } 490 491 static __be32 492 nlm4svc_proc_unused(struct svc_rqst *rqstp) 493 { 494 return rpc_proc_unavail; 495 } 496 497 498 /* 499 * NLM Server procedures. 500 */ 501 502 struct nlm_void { int dummy; }; 503 504 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ 505 #define No (1+1024/4) /* netobj */ 506 #define St 1 /* status */ 507 #define Rg 4 /* range (offset + length) */ 508 509 const struct svc_procedure nlmsvc_procedures4[24] = { 510 [NLMPROC_NULL] = { 511 .pc_func = nlm4svc_proc_null, 512 .pc_decode = nlm4svc_decode_void, 513 .pc_encode = nlm4svc_encode_void, 514 .pc_argsize = sizeof(struct nlm_void), 515 .pc_argzero = sizeof(struct nlm_void), 516 .pc_ressize = sizeof(struct nlm_void), 517 .pc_xdrressize = St, 518 .pc_name = "NULL", 519 }, 520 [NLMPROC_TEST] = { 521 .pc_func = nlm4svc_proc_test, 522 .pc_decode = nlm4svc_decode_testargs, 523 .pc_encode = nlm4svc_encode_testres, 524 .pc_argsize = sizeof(struct nlm_args), 525 .pc_argzero = sizeof(struct nlm_args), 526 .pc_ressize = sizeof(struct nlm_res), 527 .pc_xdrressize = Ck+St+2+No+Rg, 528 .pc_name = "TEST", 529 }, 530 [NLMPROC_LOCK] = { 531 .pc_func = nlm4svc_proc_lock, 532 .pc_decode = nlm4svc_decode_lockargs, 533 .pc_encode = nlm4svc_encode_res, 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, 538 .pc_name = "LOCK", 539 }, 540 [NLMPROC_CANCEL] = { 541 .pc_func = nlm4svc_proc_cancel, 542 .pc_decode = nlm4svc_decode_cancargs, 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 = "CANCEL", 549 }, 550 [NLMPROC_UNLOCK] = { 551 .pc_func = nlm4svc_proc_unlock, 552 .pc_decode = nlm4svc_decode_unlockargs, 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 = "UNLOCK", 559 }, 560 [NLMPROC_GRANTED] = { 561 .pc_func = nlm4svc_proc_granted, 562 .pc_decode = nlm4svc_decode_testargs, 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 = "GRANTED", 569 }, 570 [NLMPROC_TEST_MSG] = { 571 .pc_func = nlm4svc_proc_test_msg, 572 .pc_decode = nlm4svc_decode_testargs, 573 .pc_encode = nlm4svc_encode_void, 574 .pc_argsize = sizeof(struct nlm_args), 575 .pc_argzero = sizeof(struct nlm_args), 576 .pc_ressize = sizeof(struct nlm_void), 577 .pc_xdrressize = St, 578 .pc_name = "TEST_MSG", 579 }, 580 [NLMPROC_LOCK_MSG] = { 581 .pc_func = nlm4svc_proc_lock_msg, 582 .pc_decode = nlm4svc_decode_lockargs, 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 = "LOCK_MSG", 589 }, 590 [NLMPROC_CANCEL_MSG] = { 591 .pc_func = nlm4svc_proc_cancel_msg, 592 .pc_decode = nlm4svc_decode_cancargs, 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 = "CANCEL_MSG", 599 }, 600 [NLMPROC_UNLOCK_MSG] = { 601 .pc_func = nlm4svc_proc_unlock_msg, 602 .pc_decode = nlm4svc_decode_unlockargs, 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 = "UNLOCK_MSG", 609 }, 610 [NLMPROC_GRANTED_MSG] = { 611 .pc_func = nlm4svc_proc_granted_msg, 612 .pc_decode = nlm4svc_decode_testargs, 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 = "GRANTED_MSG", 619 }, 620 [NLMPROC_TEST_RES] = { 621 .pc_func = nlm4svc_proc_null, 622 .pc_decode = nlm4svc_decode_void, 623 .pc_encode = nlm4svc_encode_void, 624 .pc_argsize = sizeof(struct nlm_res), 625 .pc_argzero = sizeof(struct nlm_res), 626 .pc_ressize = sizeof(struct nlm_void), 627 .pc_xdrressize = St, 628 .pc_name = "TEST_RES", 629 }, 630 [NLMPROC_LOCK_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 = "LOCK_RES", 639 }, 640 [NLMPROC_CANCEL_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 = "CANCEL_RES", 649 }, 650 [NLMPROC_UNLOCK_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 = "UNLOCK_RES", 659 }, 660 [NLMPROC_GRANTED_RES] = { 661 .pc_func = nlm4svc_proc_granted_res, 662 .pc_decode = nlm4svc_decode_res, 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 = "GRANTED_RES", 669 }, 670 [NLMPROC_NSM_NOTIFY] = { 671 .pc_func = nlm4svc_proc_sm_notify, 672 .pc_decode = nlm4svc_decode_reboot, 673 .pc_encode = nlm4svc_encode_void, 674 .pc_argsize = sizeof(struct nlm_reboot), 675 .pc_argzero = sizeof(struct nlm_reboot), 676 .pc_ressize = sizeof(struct nlm_void), 677 .pc_xdrressize = St, 678 .pc_name = "SM_NOTIFY", 679 }, 680 [17] = { 681 .pc_func = nlm4svc_proc_unused, 682 .pc_decode = nlm4svc_decode_void, 683 .pc_encode = nlm4svc_encode_void, 684 .pc_argsize = sizeof(struct nlm_void), 685 .pc_argzero = sizeof(struct nlm_void), 686 .pc_ressize = sizeof(struct nlm_void), 687 .pc_xdrressize = 0, 688 .pc_name = "UNUSED", 689 }, 690 [18] = { 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 [19] = { 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 [NLMPROC_SHARE] = { 711 .pc_func = nlm4svc_proc_share, 712 .pc_decode = nlm4svc_decode_shareargs, 713 .pc_encode = nlm4svc_encode_shareres, 714 .pc_argsize = sizeof(struct nlm_args), 715 .pc_argzero = sizeof(struct nlm_args), 716 .pc_ressize = sizeof(struct nlm_res), 717 .pc_xdrressize = Ck+St+1, 718 .pc_name = "SHARE", 719 }, 720 [NLMPROC_UNSHARE] = { 721 .pc_func = nlm4svc_proc_unshare, 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 = "UNSHARE", 729 }, 730 [NLMPROC_NM_LOCK] = { 731 .pc_func = nlm4svc_proc_nm_lock, 732 .pc_decode = nlm4svc_decode_lockargs, 733 .pc_encode = nlm4svc_encode_res, 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, 738 .pc_name = "NM_LOCK", 739 }, 740 [NLMPROC_FREE_ALL] = { 741 .pc_func = nlm4svc_proc_free_all, 742 .pc_decode = nlm4svc_decode_notify, 743 .pc_encode = nlm4svc_encode_void, 744 .pc_argsize = sizeof(struct nlm_args), 745 .pc_argzero = sizeof(struct nlm_args), 746 .pc_ressize = sizeof(struct nlm_void), 747 .pc_xdrressize = St, 748 .pc_name = "FREE_ALL", 749 }, 750 }; 751