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>
43 lines
964 B
Bash
Executable File
43 lines
964 B
Bash
Executable File
# SPDX-License-Identifier: GPL-2.0-or-later
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readonly DEVICES_DIR="${TMPDIR:-/tmp}/vfio-selftests-devices"
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function write_to() {
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# Unfortunately set -x does not show redirects so use echo to manually
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# tell the user what commands are being run.
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echo "+ echo \"${2}\" > ${1}"
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echo "${2}" > ${1}
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}
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function get_driver() {
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if [ -L /sys/bus/pci/devices/${1}/driver ]; then
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basename $(readlink -m /sys/bus/pci/devices/${1}/driver)
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fi
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}
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function bind() {
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write_to /sys/bus/pci/drivers/${2}/bind ${1}
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}
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function unbind() {
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write_to /sys/bus/pci/drivers/${2}/unbind ${1}
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}
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function set_sriov_numvfs() {
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write_to /sys/bus/pci/devices/${1}/sriov_numvfs ${2}
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}
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function get_sriov_numvfs() {
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if [ -f /sys/bus/pci/devices/${1}/sriov_numvfs ]; then
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cat /sys/bus/pci/devices/${1}/sriov_numvfs
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fi
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}
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function set_driver_override() {
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write_to /sys/bus/pci/devices/${1}/driver_override ${2}
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}
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function clear_driver_override() {
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set_driver_override ${1} ""
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}
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