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