1 files changed, 50 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/ipc.h b/usr.sbin/bhyve/ipc.h
new file mode 100644
index 000000000000..d7a3a173e068
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+++ b/usr.sbin/bhyve/ipc.h
@@ -0,0 +1,50 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Rob Wing <rew@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.
+ *
+ */
+
+#ifndef _IPC_H_
+#define _IPC_H_
+
+#include <sys/cdefs.h>
+#include <sys/linker_set.h>
+#include <sys/nv.h>
+
+struct ipc_command {
+	const char *name;
+	int (*handler)(struct vmctx *ctx, const nvlist_t *nvl);
+};
+
+#define IPC_COMMAND(set, name, function)			\
+	static struct ipc_command name ## _ipc_command =	\
+	{ #name, function };					\
+	DATA_SET(set, name ## _ipc_command)
+
+#define IPC_COMMAND_FOREACH(pvar, set)	SET_FOREACH(pvar, set)
+
+SET_DECLARE(ipc_cmd_set, struct ipc_command);
+
+#endif /* _IPC_H_ */