Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
992 B
Bash
Executable File
49 lines
992 B
Bash
Executable File
# SPDX-License-Identifier: GPL-2.0-or-later
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set -e
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source $(dirname -- "${BASH_SOURCE[0]}")/lib.sh
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function main() {
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local device_bdf
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local device_dir
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local numvfs
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local driver
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if [ $# = 0 ]; then
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echo "usage: $0 segment:bus:device.function ..." >&2
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exit 1
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fi
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for device_bdf in "$@"; do
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test -d /sys/bus/pci/devices/${device_bdf}
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device_dir=${DEVICES_DIR}/${device_bdf}
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if [ -d "${device_dir}" ]; then
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echo "${device_bdf} has already been set up, exiting."
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exit 0
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fi
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mkdir -p ${device_dir}
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numvfs=$(get_sriov_numvfs ${device_bdf})
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if [ "${numvfs}" ]; then
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set_sriov_numvfs ${device_bdf} 0
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echo ${numvfs} > ${device_dir}/sriov_numvfs
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fi
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driver=$(get_driver ${device_bdf})
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if [ "${driver}" ]; then
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unbind ${device_bdf} ${driver}
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echo ${driver} > ${device_dir}/driver
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fi
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set_driver_override ${device_bdf} vfio-pci
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touch ${device_dir}/driver_override
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bind ${device_bdf} vfio-pci
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touch ${device_dir}/vfio-pci
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done
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}
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main "$@"
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