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https://git.rwth-aachen.de/acs/public/villas/node/
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31 lines
881 B
Bash
Executable file
31 lines
881 B
Bash
Executable file
#!/bin/bash
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#
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# Detach and rebind a PCI device to a PCI kernel driver
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#
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# Author: Steffen Vogel <post@steffenvogel.de>
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# SPDX-FileCopyrightText: 2017 Institute for Automation of Complex Power Systems, RWTH Aachen University
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# SPDX-License-Identifier: Apache-2.0
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if [ "$#" -ne 2 ]; then
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echo "usage: $0 BUS:DEV:FNC DRIVER"
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exit 1
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fi
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BDF=$1
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DRIVER=$2
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VENDOR=$(cut -b3- /sys/bus/pci/devices/${BDF}/vendor)
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DEVICE=$(cut -b3- /sys/bus/pci/devices/${BDF}/device)
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SYSFS_DEVICE=/sys/bus/pci/devices/${BDF}
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SYSFS_DRIVER=/sys/bus/pci/drivers/${DRIVER}
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echo "Device: $VENDOR $DEVICE $BDF"
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if [ -L "${SYSFS_DEVICE}/driver" ] && [ -d "${SYSFS_DEVICE}/driver" ]; then
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echo ${BDF} > ${SYSFS_DEVICE}/driver/unbind
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fi
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echo "${VENDOR} ${DEVICE}" > ${SYSFS_DRIVER}/new_id
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echo "${BDF}" > ${SYSFS_DRIVER}/bind
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echo "${VENDOR} ${DEVICE}" > ${SYSFS_DRIVER}/remove_id
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