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- #!/bin/sh
- ##
- ## This script is invoked by udev rules whenever USB device appears or
- ## changes. This happens in usbvm domain (or dom0 if USB controller
- ## drivers are in dom0). The script records information about available
- ## USB devices into XS directory, making it available to qvm-usb tool
- ## running in dom0.
- ##
- # FIXME: Ignore USB hubs and other wierd devices (see also in udev-usb-remove).
- [ "`echo $TYPE | cut -f1 -d/`" = "9" ] && exit 0
- [ "$DEVTYPE" != "usb_device" ] && exit 0
- # xenstore doesn't allow dot in key name
- XSNAME=`basename ${DEVPATH} | tr . _`
- # FIXME: For some devices (my Cherry keyboard) ID_SERIAL does not
- # contain proper human-readable name, should find better method to
- # build devide description.
- #DESC=`python -c "dev='%d-%d' % (int('${BUSNUM}'.lstrip('0')), (int('${DEVNUM}'.lstrip('0'))-1)); from xen.util import vusb_util; print vusb_util.get_usbdevice_info(dev);"`
- DESC="${ID_VENDOR_ID}:${ID_MODEL_ID} ${ID_SERIAL}"
- VERSION=`cat /sys/$DEVPATH/version`
- if [ "${VERSION}" = " 1.00" -o "${VERSION}" = " 1.10" ] ; then
- VERSION=1
- elif [ "${VERSION}" = " 2.00" ] ; then
- VERSION=2
- else
- # FIXME: silently ignoring devices with unexpected USB version
- exit 0
- fi
- XS_KEY="qubes-usb-devices/$XSNAME"
- xenstore-write "$XS_KEY/desc" "$DESC"
- xenstore-write "$XS_KEY/usb-ver" "$VERSION"
- # Make sure PVUSB backend driver is loaded.
- /sbin/modprobe xen-usbback 2> /dev/null || /sbin/modprobe usbbk
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