Add initial vm.conf(5) example. But please note that the grammar is

not fixed yet.

src/etc/Makefile

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.417 2015/12/05 09:55:18 jasper Exp $
+#	$OpenBSD: Makefile,v 1.418 2015/12/07 13:58:48 reyk Exp $
 
 TZDIR=		/usr/share/zoneinfo
 LOCALTIME=	Canada/Mountain
@@ -46,7 +46,7 @@ EXAMPLES=chio.conf dhclient.conf dhcpd.conf exports \
 EXAMPLES_600=bgpd.conf dvmrpd.conf eigrpd.conf hostapd.conf iked.conf \
 	ipsec.conf ldapd.conf ldpd.conf ospf6d.conf ospfd.conf pf.conf \
 	radiusd.conf rc.local rc.securelevel rc.shutdown relayd.conf \
-	ripd.conf sasyncd.conf snmpd.conf ypldap.conf 
+	ripd.conf sasyncd.conf snmpd.conf vm.conf ypldap.conf 
 
 # -r-xr-xr-x
 RCDAEMONS=amd apmd bgpd bootparamd cron dhcpd dhcrelay dvmrpd eigrpd ftpd \

src/etc/examples/vm.conf

@@ -0,0 +1,34 @@
+# $OpenBSD: vm.conf,v 1.1 2015/12/07 13:58:48 reyk Exp $
+
+#
+# Macros
+#
+sets="/var/www/htdocs/pub/OpenBSD/snapshots/amd64/"
+
+#
+# Virtual machines
+#
+
+# OpenBSD snapshot install test
+vm "openbsd.vm" {
+	memory 512M
+	kernel $sets "bsd.rd"
+
+	# First disk from 'vmctl create "/var/vm/OpenBSD.img" -s 4G'
+	disk "/var/vm/OpenBSD.img"
+
+	# Second disk from OpenBSD contains the install sets
+	disk $sets "install58.fs"
+
+	# Interface will show up as tap(4) on the host and as vio(4) in the VM
+	interfaces 1
+}
+
+# Another VM that is disabled on startup
+vm "vm1.example.com" {
+	disable
+	memory 1G
+	interfaces 2
+	kernel "/bsd"
+	disk "/var/vm/vm1-disk.img"
+}