3 files changed, 111 insertions, 1 deletions
diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc
index 1e768b560d..b41055fe5d 100644
--- a/meta/recipes-devtools/qemu/qemu.inc
+++ b/meta/recipes-devtools/qemu/qemu.inc
@@ -9,7 +9,7 @@ LICENSE = "GPL-2.0-only & LGPL-2.1-only"
 RDEPENDS:${PN}-ptest = "bash"
 
 require qemu-targets.inc
-inherit pkgconfig ptest
+inherit pkgconfig ptest update-rc.d systemd
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \
                     file://COPYING.LIB;endline=24;md5=8c5efda6cf1e1b03dcfd0e6c0d271c7f"
@@ -32,6 +32,8 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \
            file://0001-configure-Fix-check-tcg-not-executing-any-tests.patch \
            file://0001-Revert-linux-user-add-more-compat-ioctl-definitions.patch \
            file://0002-Revert-linux-user-fix-compat-with-glibc-2.36-sys-mou.patch \
+           file://qemu-guest-agent.init \
+           file://qemu-guest-agent.udev \
            "
 UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar"
 
@@ -132,6 +134,20 @@ do_configure[cleandirs] += "${B}"
 do_install () {
 	export STRIP=""
 	oe_runmake 'DESTDIR=${D}' install
+
+	# If we built the guest agent, also install startup/udev rules
+	if [ -e "${D}${bindir}/qemu-ga" ]; then
+		install -d ${D}${sysconfdir}/init.d/
+		install -m 0755 ${WORKDIR}/qemu-guest-agent.init ${D}${sysconfdir}/init.d/qemu-guest-agent
+		sed -i 's:@bindir@:${bindir}:' ${D}${sysconfdir}/init.d/qemu-guest-agent
+
+		install -d ${D}${sysconfdir}/udev/rules.d/
+		install -m 0644 ${WORKDIR}/qemu-guest-agent.udev ${D}${sysconfdir}/udev/rules.d/60-qemu-guest-agent.rules
+
+		install -d ${D}${systemd_unitdir}/system/
+		install -m 0644 ${S}/contrib/systemd/qemu-guest-agent.service ${D}${systemd_unitdir}/system
+		sed -i -e 's,-/usr/bin/,-${bindir}/,g' ${D}${systemd_unitdir}/system/qemu-guest-agent.service
+	fi
 }
 
 # The following fragment will create a wrapper for qemu-mips user emulation
@@ -210,3 +226,20 @@ PACKAGECONFIG[jack] = "--enable-jack,--disable-jack,jack,"
 INSANE_SKIP:${PN} = "arch"
 
 FILES:${PN} += "${datadir}/icons"
+
+# Put the guest agent in a separate package
+PACKAGES =+ "${PN}-guest-agent"
+SUMMARY:${PN}-guest-agent = "QEMU guest agent"
+FILES:${PN}-guest-agent += " \
+    ${bindir}/qemu-ga \
+    ${sysconfdir}/udev/rules.d/60-qemu-guest-agent.rules \
+    ${sysconfdir}/init.d/qemu-guest-agent \
+    ${systemd_unitdir}/system/qemu-guest-agent.service \
+"
+
+INITSCRIPT_PACKAGES = "${PN}-guest-agent"
+INITSCRIPT_NAME:${PN}-guest-agent = "qemu-guest-agent"
+INITSCRIPT_PARAMS:${PN}-guest-agent = "defaults"
+
+SYSTEMD_PACKAGES = "${PN}-guest-agent"
+SYSTEMD_SERVICE:${PN}-guest-agent = "qemu-guest-agent.service"
diff --git a/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.init b/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.init
new file mode 100644
index 0000000000..5ebaaddeae
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.init
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Initially written by: Michael Tokarev <mjt@tls.msk.ru>
+# For QEMU Debian downstream package
+
+set -e
+
+. /etc/init.d/functions
+
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC="QEMU Guest Agent"
+NAME=qemu-ga
+DAEMON=@bindir@/$NAME
+PIDFILE=/var/run/$NAME.pid
+
+# config
+DAEMON_ARGS=""
+# default transport
+TRANSPORT=virtio-serial:/dev/virtio-ports/org.qemu.guest_agent.0
+NO_START=0
+
+test ! -r /etc/default/qemu-guest-agent || . /etc/default/qemu-guest-agent
+test "$NO_START" = "0" || exit 0
+test -x "$DAEMON" || exit 0
+
+#
+# Function that checks whenever system has necessary environment
+# It also splits $TRANSPORT into $method and $path
+#
+do_check_transport() {
+	method=${TRANSPORT%%:*};
+	path=${TRANSPORT#*:}
+	case "$method" in
+	    virtio-serial | isa-serial)
+		if [ ! -e "$path" ]; then
+		    echo "$NAME: transport endpoint not found, not starting"
+		    return 1
+		fi
+		;;
+	esac
+}
+
+case "$1" in
+  start)
+	do_check_transport || exit 0
+	echo -n "Starting $DESC: "
+	start-stop-daemon -S -p $PIDFILE -x "$DAEMON" -- \
+		$DAEMON_ARGS -d -m "$method" -p "$path"
+	echo "$NAME."
+	;;
+  stop)
+	echo -n "Stopping $DESC: "
+	start-stop-daemon -K -x "$DAEMON" -p $PIDFILE
+	echo "$NAME."
+	;;
+  status)
+	status "$DAEMON"
+	exit $?
+	;;
+  restart|force-reload)
+	do_check_transport || exit 0
+	echo -n "Restarting $DESC: "
+	start-stop-daemon -K -x "$DAEMON" -p $PIDFILE
+	sleep 1
+	start-stop-daemon -S -p $PIDFILE -x "$DAEMON" -- \
+		$DAEMON_ARGS -d -m "$method" -p "$path"
+	echo "$NAME."
+	;;
+  *)
+	N=/etc/init.d/$NAME
+	echo "Usage: $N {start|stop|status|restart|force-reload}" >&2
+	exit 1
+	;;
+esac
+
+exit 0
diff --git a/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.udev b/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.udev
new file mode 100644
index 0000000000..47097057e3
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/qemu-guest-agent.udev
@@ -0,0 +1,2 @@
+SUBSYSTEM=="virtio-ports", ATTR{name}=="org.qemu.guest_agent.0", \
+  TAG+="systemd", ENV{SYSTEMD_WANTS}="qemu-guest-agent.service"