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#!/bin/sh -e
removed=
# Unbind user-mode PCI drivers
pci_dirs=`find /sys/bus/pci/drivers -type d -name igb_uio -o -name uio_pci_generic -o -name vfio-pci`
for d in $pci_dirs; do
for f in ${d}/*; do
[ -e "${f}/config" ] || continue
echo 1 > ${f}/remove
basename `dirname ${f}` | xargs echo -n "Removing driver"; echo " for PCI ID" `basename ${f}`
removed=y
done
done
if [ -n "${removed}" ]; then
echo "There are changes in PCI drivers, rescaning"
echo 1 > /sys/bus/pci/rescan
else
echo "There weren't PCI devices binded"
fi
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