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