[run-virt/vmware] reintroduce lost feature

detection and passthrough of serial and parallel port

2 files changed, 28 insertions, 0 deletions

diff --git a/core/modules/run-virt/data/opt/openslx/scripts/systemd-run_virt_env b/core/modules/run-virt/data/opt/openslx/scripts/systemd-run_virt_env
index 6a30acf4..ddffa4e9 100755
--- a/core/modules/run-virt/data/opt/openslx/scripts/systemd-run_virt_env
+++ b/core/modules/run-virt/data/opt/openslx/scripts/systemd-run_virt_env
@@ -143,6 +143,11 @@ for FLOPPY in $(dmesg|grep -i "Floppy drive"|sed "s,.*(s): ,,;s, is .*,,"); do
     j=$(expr $j + 1)
 done
 
+# Serial ports
+echo "SERIAL_PORTS='$(dmesg | grep -Eo 'ttyS[0-9]+' | sed 's,^,/dev/,' | tr '\n' ' ')'" >> "${VMCHOOSER_VIRT_CONF}"
+# Parallel ports
+modprobe parport_pc
+
 ################################################################################
 ### Setup VM networking
 ################################################################################
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/set_runvirt_hardware_variables.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/set_runvirt_hardware_variables.inc
index e4a1353f..a2eb18f0 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/set_runvirt_hardware_variables.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/run-virt-includes/set_runvirt_hardware_variables.inc
@@ -105,11 +105,34 @@ check_optical_drives() {
 	readonly FLOPPY0 CDROM0 CDROM1
 }
 
+# Dynamically detect serial ports here instead of at boot time
+# (virtualization.conf), since USB serial ports get quite common
+# and might not be plugged in at boot time yet
+set_serial_ports() {
+	declare -g SERIAL0=
+	#for port in $(awk '{ if ($1 ~ /^[0-9]+:/ && $2 != "uart:unknown") print "/dev/ttyS" sub(/:\$/, "", $1) }' /proc/tty/driver/serial); do
+	for PORT in $SERIAL_PORTS /dev/ttyUSB*; do
+		[ -c "$PORT" ] || continue
+		SERIAL0="$PORT"
+		break
+	done
+
+	declare -g PARALLEL0=
+	for PORT in /dev/parport*; do
+		[ -c "$PORT" ] || continue
+		PARALLEL0="$PORT"
+		break
+	done
+
+	readonly SERIAL0 PARALLEL0
+}
+
 ## MAIN ##
 call_post_source \
 	set_virt_cpu \
 	set_virt_memory \
 	set_virt_mac \
 	set_virt_hostname \
+	set_serial_ports \
 	check_optical_drives