120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
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/*-
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* Copyright (c) 2008 Isilon Inc http://www.isilon.com/
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* Authors: Doug Rabson <dfr@rabson.org>
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* Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NLM_NLM_H_
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#define _NLM_NLM_H_
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#ifdef _KERNEL
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#ifdef _SYS_MALLOC_H_
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MALLOC_DECLARE(M_NLM);
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#endif
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struct nlm_host;
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/*
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* Copy a struct netobj.
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*/
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extern void nlm_copy_netobj(struct netobj *dst, struct netobj *src,
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struct malloc_type *type);
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/*
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* Search for an existing NLM host that matches the given name
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* (typically the caller_name element of an nlm4_lock). If none is
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* found, create a new host. If 'rqstp' is non-NULL, record the remote
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* address of the host so that we can call it back for async
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* responses.
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*/
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extern struct nlm_host *nlm_find_host_by_name(const char *name,
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struct svc_req *rqstp);
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/*
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* Search for an existing NLM host that matches the given remote
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* address. If none is found, create a new host with the requested
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* address and remember 'vers' as the NLM protocol version to use for
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* that host.
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*/
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extern struct nlm_host *nlm_find_host_by_addr(const struct sockaddr *addr,
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int vers);
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/*
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* Return an RPC client handle that can be used to talk to the NLM
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* running on the given host.
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*/
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extern CLIENT *nlm_host_get_rpc(struct nlm_host *host);
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/*
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* Called when a host restarts.
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*/
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extern void nlm_sm_notify(nlm_sm_status *argp);
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/*
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* Implementation for lock testing RPCs. Returns the NLM host that
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* matches the RPC arguments.
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*/
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extern struct nlm_host *nlm_do_test(nlm4_testargs *argp,
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nlm4_testres *result, struct svc_req *rqstp);
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/*
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* Implementation for lock setting RPCs. Returns the NLM host that
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* matches the RPC arguments. If monitor is TRUE, set up an NSM
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* monitor for this host.
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*/
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extern struct nlm_host *nlm_do_lock(nlm4_lockargs *argp,
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nlm4_res *result, struct svc_req *rqstp, bool_t monitor);
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/*
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* Implementation for cancelling a pending lock request. Returns the
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* NLM host that matches the RPC arguments.
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*/
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extern struct nlm_host *nlm_do_cancel(nlm4_cancargs *argp,
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nlm4_res *result, struct svc_req *rqstp);
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/*
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* Implementation for unlocking RPCs. Returns the NLM host that
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* matches the RPC arguments.
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*/
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extern struct nlm_host *nlm_do_unlock(nlm4_unlockargs *argp,
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nlm4_res *result, struct svc_req *rqstp);
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/*
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* Free all locks associated with the hostname argp->name.
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*/
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extern void nlm_do_free_all(nlm4_notify *argp);
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/*
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* Find an RPC transport that can be used to communicate with the
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* userland part of lockd.
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*/
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extern CLIENT *nlm_user_lockd(void);
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#endif
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#endif
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