fs/lockd/svc4proc.c

   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 };