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