// SPDX-License-Identifier: GPL-2.0

  /*
   * linux/fs/lockd/svcproc.c
   *
   * Lockd server procedures. We don't implement the NLM_*_RES 
   * procedures because we don't use the async procedures.
   *
   * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
   */

  #include <linux/types.h>
  #include <linux/time.h>

  #include <linux/lockd/lockd.h>
  #include <linux/lockd/share.h>

  #include <linux/sunrpc/svc_xprt.h>

  
  #define NLMDBG_FACILITY		NLMDBG_CLIENT

  #ifdef CONFIG_LOCKD_V4

  static __be32
  cast_to_nlm(__be32 status, u32 vers)

  {
  	/* Note: status is assumed to be in network byte order !!! */
  	if (vers != 4){
  		switch (status) {
  		case nlm_granted:
  		case nlm_lck_denied:
  		case nlm_lck_denied_nolocks:
  		case nlm_lck_blocked:
  		case nlm_lck_denied_grace_period:

  		case nlm_drop_reply:

  			break;
  		case nlm4_deadlock:
  			status = nlm_lck_denied;
  			break;
  		default:
  			status = nlm_lck_denied_nolocks;
  		}
  	}
  
  	return (status);
  }
  #define	cast_status(status) (cast_to_nlm(status, rqstp->rq_vers))
  #else
  #define cast_status(status) (status)
  #endif
  
  /*
   * Obtain client and file from arguments
   */

  static __be32

  nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
  			struct nlm_host **hostp, struct nlm_file **filp)
  {
  	struct nlm_host		*host = NULL;
  	struct nlm_file		*file = NULL;
  	struct nlm_lock		*lock = &argp->lock;

  	__be32			error = 0;

  
  	/* nfsd callbacks must have been installed for this procedure */
  	if (!nlmsvc_ops)
  		return nlm_lck_denied_nolocks;
  
  	/* Obtain host handle */

  	if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))

  	 || (argp->monitor && nsm_monitor(host) < 0))

  		goto no_locks;
  	*hostp = host;
  
  	/* Obtain file pointer. Not used by FREE_ALL call. */
  	if (filp != NULL) {

  		error = cast_status(nlm_lookup_file(rqstp, &file, &lock->fh));
  		if (error != 0)

  			goto no_locks;
  		*filp = file;
  
  		/* Set up the missing parts of the file_lock structure */
  		lock->fl.fl_file  = file->f_file;

  		lock->fl.fl_pid = current->tgid;

  		lock->fl.fl_lmops = &nlmsvc_lock_operations;

  		nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
  		if (!lock->fl.fl_owner) {
  			/* lockowner allocation has failed */
  			nlmsvc_release_host(host);
  			return nlm_lck_denied_nolocks;
  		}

  	}
  
  	return 0;
  
  no_locks:

  	nlmsvc_release_host(host);

  	if (error)
  		return error;

  	return nlm_lck_denied_nolocks;
  }
  
  /*
   * NULL: Test for presence of service
   */

  static __be32

  nlmsvc_proc_null(struct svc_rqst *rqstp)

  {
  	dprintk("lockd: NULL          called
  ");
  	return rpc_success;
  }
  
  /*
   * TEST: Check for conflicting lock
   */

  static __be32

  __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;

  	__be32 rc = rpc_success;

  
  	dprintk("lockd: TEST          called
  ");
  	resp->cookie = argp->cookie;

  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  	/* Now check for conflicting locks */

  	resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));

  	if (resp->status == nlm_drop_reply)

  		rc = rpc_drop_reply;
  	else
  		dprintk("lockd: TEST          status %d vers %d
  ",
  			ntohl(resp->status), rqstp->rq_vers);

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);

  	return rc;

  }

  static __be32

  nlmsvc_proc_test(struct svc_rqst *rqstp)

  {

  	return __nlmsvc_proc_test(rqstp, rqstp->rq_resp);
  }
  
  static __be32
  __nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
  {
  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;

  	__be32 rc = rpc_success;

  
  	dprintk("lockd: LOCK          called
  ");
  
  	resp->cookie = argp->cookie;

  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  #if 0
  	/* If supplied state doesn't match current state, we assume it's
  	 * an old request that time-warped somehow. Any error return would
  	 * do in this case because it's irrelevant anyway.
  	 *
  	 * NB: We don't retrieve the remote host's state yet.
  	 */
  	if (host->h_nsmstate && host->h_nsmstate != argp->state) {
  		resp->status = nlm_lck_denied_nolocks;
  	} else
  #endif
  
  	/* Now try to lock the file */

  	resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,

  					       argp->block, &argp->cookie,
  					       argp->reclaim));

  	if (resp->status == nlm_drop_reply)

  		rc = rpc_drop_reply;
  	else
  		dprintk("lockd: LOCK         status %d
  ", ntohl(resp->status));

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);

  	return rc;

  }

  static __be32

  nlmsvc_proc_lock(struct svc_rqst *rqstp)
  {
  	return __nlmsvc_proc_lock(rqstp, rqstp->rq_resp);
  }
  
  static __be32
  __nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;

  	struct net *net = SVC_NET(rqstp);

  
  	dprintk("lockd: CANCEL        called
  ");
  
  	resp->cookie = argp->cookie;
  
  	/* Don't accept requests during grace period */

  	if (locks_in_grace(net)) {

  		resp->status = nlm_lck_denied_grace_period;
  		return rpc_success;
  	}
  
  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  	/* Try to cancel request. */

  	resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock));

  
  	dprintk("lockd: CANCEL        status %d
  ", ntohl(resp->status));

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);
  	return rpc_success;
  }

  static __be32
  nlmsvc_proc_cancel(struct svc_rqst *rqstp)
  {
  	return __nlmsvc_proc_cancel(rqstp, rqstp->rq_resp);
  }

  /*
   * UNLOCK: release a lock
   */

  static __be32

  __nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;

  	struct net *net = SVC_NET(rqstp);

  
  	dprintk("lockd: UNLOCK        called
  ");
  
  	resp->cookie = argp->cookie;
  
  	/* Don't accept new lock requests during grace period */

  	if (locks_in_grace(net)) {

  		resp->status = nlm_lck_denied_grace_period;
  		return rpc_success;
  	}
  
  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  	/* Now try to remove the lock */

  	resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock));

  
  	dprintk("lockd: UNLOCK        status %d
  ", ntohl(resp->status));

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);
  	return rpc_success;
  }

  static __be32
  nlmsvc_proc_unlock(struct svc_rqst *rqstp)
  {
  	return __nlmsvc_proc_unlock(rqstp, rqstp->rq_resp);
  }

  /*
   * GRANTED: A server calls us to tell that a process' lock request
   * was granted
   */

  static __be32

  __nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	resp->cookie = argp->cookie;
  
  	dprintk("lockd: GRANTED       called
  ");

  	resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);

  	dprintk("lockd: GRANTED       status %d
  ", ntohl(resp->status));
  	return rpc_success;
  }

  static __be32
  nlmsvc_proc_granted(struct svc_rqst *rqstp)
  {
  	return __nlmsvc_proc_granted(rqstp, rqstp->rq_resp);
  }

  /*

   * This is the generic lockd callback for async RPC calls
   */
  static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
  {

  	dprintk("lockd: %5u callback returned %d
  ", task->tk_pid,

  			-task->tk_status);
  }

  void nlmsvc_release_call(struct nlm_rqst *call)
  {

  	if (!refcount_dec_and_test(&call->a_count))

  		return;

  	nlmsvc_release_host(call->a_host);

  	kfree(call);
  }

  static void nlmsvc_callback_release(void *data)
  {

  	nlmsvc_release_call(data);

  }
  
  static const struct rpc_call_ops nlmsvc_callback_ops = {
  	.rpc_call_done = nlmsvc_callback_exit,
  	.rpc_release = nlmsvc_callback_release,
  };
  
  /*

   * `Async' versions of the above service routines. They aren't really,
   * because we send the callback before the reply proper. I hope this
   * doesn't break any clients.
   */

  static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc,
  		__be32 (*func)(struct svc_rqst *, struct nlm_res *))

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  	struct nlm_rqst	*call;

  	__be32 stat;

  	host = nlmsvc_lookup_host(rqstp,
  				  argp->lock.caller,
  				  argp->lock.len);

  	if (host == NULL)
  		return rpc_system_err;
  
  	call = nlm_alloc_call(host);

  	nlmsvc_release_host(host);

  	if (call == NULL)
  		return rpc_system_err;

  	stat = func(rqstp, &call->a_res);

  	if (stat != 0) {

  		nlmsvc_release_call(call);

  		return stat;
  	}

  	call->a_flags = RPC_TASK_ASYNC;
  	if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
  		return rpc_system_err;
  	return rpc_success;

  }

  static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp)

  {

  	dprintk("lockd: TEST_MSG      called
  ");

  	return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, __nlmsvc_proc_test);

  }

  static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp)

  {

  	dprintk("lockd: LOCK_MSG      called
  ");

  	return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, __nlmsvc_proc_lock);

  }

  static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp)

  {

  	dprintk("lockd: CANCEL_MSG    called
  ");

  	return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, __nlmsvc_proc_cancel);

  }

  static __be32

  nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp)

  {

  	dprintk("lockd: UNLOCK_MSG    called
  ");

  	return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlmsvc_proc_unlock);

  }

  static __be32

  nlmsvc_proc_granted_msg(struct svc_rqst *rqstp)

  {

  	dprintk("lockd: GRANTED_MSG   called
  ");

  	return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, __nlmsvc_proc_granted);

  }
  
  /*
   * SHARE: create a DOS share or alter existing share.
   */

  static __be32

  nlmsvc_proc_share(struct svc_rqst *rqstp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;
  	struct nlm_res *resp = rqstp->rq_resp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;
  
  	dprintk("lockd: SHARE         called
  ");
  
  	resp->cookie = argp->cookie;
  
  	/* Don't accept new lock requests during grace period */

  	if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) {

  		resp->status = nlm_lck_denied_grace_period;
  		return rpc_success;
  	}
  
  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  	/* Now try to create the share */
  	resp->status = cast_status(nlmsvc_share_file(host, file, argp));
  
  	dprintk("lockd: SHARE         status %d
  ", ntohl(resp->status));

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);
  	return rpc_success;
  }
  
  /*
   * UNSHARE: Release a DOS share.
   */

  static __be32

  nlmsvc_proc_unshare(struct svc_rqst *rqstp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;
  	struct nlm_res *resp = rqstp->rq_resp;

  	struct nlm_host	*host;
  	struct nlm_file	*file;
  
  	dprintk("lockd: UNSHARE       called
  ");
  
  	resp->cookie = argp->cookie;
  
  	/* Don't accept requests during grace period */

  	if (locks_in_grace(SVC_NET(rqstp))) {

  		resp->status = nlm_lck_denied_grace_period;
  		return rpc_success;
  	}
  
  	/* Obtain client and file */
  	if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))

  		return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;

  
  	/* Now try to unshare the file */
  	resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
  
  	dprintk("lockd: UNSHARE       status %d
  ", ntohl(resp->status));

  	nlmsvc_release_lockowner(&argp->lock);

  	nlmsvc_release_host(host);

  	nlm_release_file(file);
  	return rpc_success;
  }
  
  /*
   * NM_LOCK: Create an unmonitored lock
   */

  static __be32

  nlmsvc_proc_nm_lock(struct svc_rqst *rqstp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	dprintk("lockd: NM_LOCK       called
  ");
  
  	argp->monitor = 0;		/* just clean the monitor flag */

  	return nlmsvc_proc_lock(rqstp);

  }
  
  /*
   * FREE_ALL: Release all locks and shares held by client
   */

  static __be32

  nlmsvc_proc_free_all(struct svc_rqst *rqstp)

  {

  	struct nlm_args *argp = rqstp->rq_argp;

  	struct nlm_host	*host;
  
  	/* Obtain client */
  	if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
  		return rpc_success;
  
  	nlmsvc_free_host_resources(host);

  	nlmsvc_release_host(host);

  	return rpc_success;
  }
  
  /*
   * SM_NOTIFY: private callback from statd (not part of official NLM proto)
   */

  static __be32

  nlmsvc_proc_sm_notify(struct svc_rqst *rqstp)

  {

  	struct nlm_reboot *argp = rqstp->rq_argp;

  	dprintk("lockd: SM_NOTIFY     called
  ");

  
  	if (!nlm_privileged_requester(rqstp)) {

  		char buf[RPC_MAX_ADDRBUFLEN];
  		printk(KERN_WARNING "lockd: rejected NSM callback from %s
  ",
  				svc_print_addr(rqstp, buf, sizeof(buf)));

  		return rpc_system_err;
  	}

  	nlm_host_rebooted(SVC_NET(rqstp), argp);

  	return rpc_success;
  }
  
  /*
   * client sent a GRANTED_RES, let's remove the associated block
   */

  static __be32

  nlmsvc_proc_granted_res(struct svc_rqst *rqstp)

  {

  	struct nlm_res *argp = rqstp->rq_argp;

  	if (!nlmsvc_ops)
  		return rpc_success;
  
  	dprintk("lockd: GRANTED_RES   called
  ");

  	nlmsvc_grant_reply(&argp->cookie, argp->status);

  	return rpc_success;
  }

  static __be32
  nlmsvc_proc_unused(struct svc_rqst *rqstp)
  {
  	return rpc_proc_unavail;
  }

  /*

   * NLM Server procedures.
   */

  struct nlm_void			{ int dummy; };

  #define	Ck	(1+XDR_QUADLEN(NLM_MAXCOOKIELEN))	/* cookie */
  #define	St	1				/* status */
  #define	No	(1+1024/4)			/* Net Obj */
  #define	Rg	2				/* range - offset + size */

  const struct svc_procedure nlmsvc_procedures[24] = {
  	[NLMPROC_NULL] = {
  		.pc_func = nlmsvc_proc_null,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_void),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_TEST] = {
  		.pc_func = nlmsvc_proc_test,
  		.pc_decode = nlmsvc_decode_testargs,
  		.pc_encode = nlmsvc_encode_testres,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St+2+No+Rg,
  	},
  	[NLMPROC_LOCK] = {
  		.pc_func = nlmsvc_proc_lock,
  		.pc_decode = nlmsvc_decode_lockargs,
  		.pc_encode = nlmsvc_encode_res,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St,
  	},
  	[NLMPROC_CANCEL] = {
  		.pc_func = nlmsvc_proc_cancel,
  		.pc_decode = nlmsvc_decode_cancargs,
  		.pc_encode = nlmsvc_encode_res,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St,
  	},
  	[NLMPROC_UNLOCK] = {
  		.pc_func = nlmsvc_proc_unlock,
  		.pc_decode = nlmsvc_decode_unlockargs,
  		.pc_encode = nlmsvc_encode_res,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St,
  	},
  	[NLMPROC_GRANTED] = {
  		.pc_func = nlmsvc_proc_granted,
  		.pc_decode = nlmsvc_decode_testargs,
  		.pc_encode = nlmsvc_encode_res,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St,
  	},
  	[NLMPROC_TEST_MSG] = {
  		.pc_func = nlmsvc_proc_test_msg,
  		.pc_decode = nlmsvc_decode_testargs,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_LOCK_MSG] = {
  		.pc_func = nlmsvc_proc_lock_msg,
  		.pc_decode = nlmsvc_decode_lockargs,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_CANCEL_MSG] = {
  		.pc_func = nlmsvc_proc_cancel_msg,
  		.pc_decode = nlmsvc_decode_cancargs,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_UNLOCK_MSG] = {
  		.pc_func = nlmsvc_proc_unlock_msg,
  		.pc_decode = nlmsvc_decode_unlockargs,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_GRANTED_MSG] = {
  		.pc_func = nlmsvc_proc_granted_msg,
  		.pc_decode = nlmsvc_decode_testargs,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_TEST_RES] = {
  		.pc_func = nlmsvc_proc_null,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_res),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_LOCK_RES] = {
  		.pc_func = nlmsvc_proc_null,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_res),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_CANCEL_RES] = {
  		.pc_func = nlmsvc_proc_null,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_res),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_UNLOCK_RES] = {
  		.pc_func = nlmsvc_proc_null,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_res),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_GRANTED_RES] = {
  		.pc_func = nlmsvc_proc_granted_res,
  		.pc_decode = nlmsvc_decode_res,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_res),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_NSM_NOTIFY] = {
  		.pc_func = nlmsvc_proc_sm_notify,
  		.pc_decode = nlmsvc_decode_reboot,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_reboot),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[17] = {
  		.pc_func = nlmsvc_proc_unused,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_void),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[18] = {
  		.pc_func = nlmsvc_proc_unused,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_void),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[19] = {
  		.pc_func = nlmsvc_proc_unused,
  		.pc_decode = nlmsvc_decode_void,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_void),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = St,
  	},
  	[NLMPROC_SHARE] = {
  		.pc_func = nlmsvc_proc_share,
  		.pc_decode = nlmsvc_decode_shareargs,
  		.pc_encode = nlmsvc_encode_shareres,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St+1,
  	},
  	[NLMPROC_UNSHARE] = {
  		.pc_func = nlmsvc_proc_unshare,
  		.pc_decode = nlmsvc_decode_shareargs,
  		.pc_encode = nlmsvc_encode_shareres,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St+1,
  	},
  	[NLMPROC_NM_LOCK] = {
  		.pc_func = nlmsvc_proc_nm_lock,
  		.pc_decode = nlmsvc_decode_lockargs,
  		.pc_encode = nlmsvc_encode_res,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_res),
  		.pc_xdrressize = Ck+St,
  	},
  	[NLMPROC_FREE_ALL] = {
  		.pc_func = nlmsvc_proc_free_all,
  		.pc_decode = nlmsvc_decode_notify,
  		.pc_encode = nlmsvc_encode_void,
  		.pc_argsize = sizeof(struct nlm_args),
  		.pc_ressize = sizeof(struct nlm_void),
  		.pc_xdrressize = 0,
  	},

  };