1 files changed, 119 insertions, 0 deletions
diff --git a/sys/nlm/nlm.h b/sys/nlm/nlm.h
new file mode 100644
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--- /dev/null
+++ b/sys/nlm/nlm.h
@@ -0,0 +1,119 @@
+/*-
+ * 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