49 lines
1.7 KiB
Bash
Executable File
49 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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BDF=$1
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if [ x$BDF = x ] ; then
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echo "usage: $0 <BDF>"
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exit 0
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fi
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BDF=0000:$BDF
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#echo -n "Binding device $BDF to xen-pciback..."
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if [ -e /sys/bus/pci/drivers/pciback/$BDF ]; then
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# Already bound to pciback
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# Check if device not assigned to any RUNNING VM
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XS_PATH=/local/domain/0/backend/pci
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GREP_RE="^$XS_PATH/[0-9]*/[0-9]*/dev-[0-9]* = \"$BDF\""
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if xenstore-ls -f $XS_PATH 2> /dev/null | grep -q "$GREP_RE"; then
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DOMID=`xenstore-ls -f $XS_PATH | grep "$GREP_RE"|cut -d/ -f7`
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echo "ERROR: Device already attached to the running VM '`xl domname $DOMID`'" >&2
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exit 1
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fi
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exit 0
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fi
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if [ -e /sys/bus/pci/devices/$BDF/driver/unbind ] ; then
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echo -n $BDF > /sys/bus/pci/devices/$BDF/driver/unbind || exit 1
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fi
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echo -n $BDF > /sys/bus/pci/drivers/pciback/new_slot || exit 1
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echo -n $BDF > /sys/bus/pci/drivers/pciback/bind || exit 1
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#echo ok
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