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Diffstat (limited to 'tools/testing/selftests/vfio/run.sh')
| -rwxr-xr-x | tools/testing/selftests/vfio/run.sh | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/tools/testing/selftests/vfio/run.sh b/tools/testing/selftests/vfio/run.sh deleted file mode 100755 index 0476b6d7adc3..000000000000 --- a/tools/testing/selftests/vfio/run.sh +++ /dev/null @@ -1,109 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-or-later - -# Global variables initialized in main() and then used during cleanup() when -# the script exits. -declare DEVICE_BDF -declare NEW_DRIVER -declare OLD_DRIVER -declare OLD_NUMVFS -declare DRIVER_OVERRIDE - -function write_to() { - # Unfortunately set -x does not show redirects so use echo to manually - # tell the user what commands are being run. - echo "+ echo \"${2}\" > ${1}" - echo "${2}" > ${1} -} - -function bind() { - write_to /sys/bus/pci/drivers/${2}/bind ${1} -} - -function unbind() { - write_to /sys/bus/pci/drivers/${2}/unbind ${1} -} - -function set_sriov_numvfs() { - write_to /sys/bus/pci/devices/${1}/sriov_numvfs ${2} -} - -function set_driver_override() { - write_to /sys/bus/pci/devices/${1}/driver_override ${2} -} - -function clear_driver_override() { - set_driver_override ${1} "" -} - -function cleanup() { - if [ "${NEW_DRIVER}" ]; then unbind ${DEVICE_BDF} ${NEW_DRIVER} ; fi - if [ "${DRIVER_OVERRIDE}" ]; then clear_driver_override ${DEVICE_BDF} ; fi - if [ "${OLD_DRIVER}" ]; then bind ${DEVICE_BDF} ${OLD_DRIVER} ; fi - if [ "${OLD_NUMVFS}" ]; then set_sriov_numvfs ${DEVICE_BDF} ${OLD_NUMVFS} ; fi -} - -function usage() { - echo "usage: $0 [-d segment:bus:device.function] [-s] [-h] [cmd ...]" >&2 - echo >&2 - echo " -d: The BDF of the device to use for the test (required)" >&2 - echo " -h: Show this help message" >&2 - echo " -s: Drop into a shell rather than running a command" >&2 - echo >&2 - echo " cmd: The command to run and arguments to pass to it." >&2 - echo " Required when not using -s. The SBDF will be " >&2 - echo " appended to the argument list." >&2 - exit 1 -} - -function main() { - local shell - - while getopts "d:hs" opt; do - case $opt in - d) DEVICE_BDF="$OPTARG" ;; - s) shell=true ;; - *) usage ;; - esac - done - - # Shift past all optional arguments. - shift $((OPTIND - 1)) - - # Check that the user passed in the command to run. - [ ! "${shell}" ] && [ $# = 0 ] && usage - - # Check that the user passed in a BDF. - [ "${DEVICE_BDF}" ] || usage - - trap cleanup EXIT - set -e - - test -d /sys/bus/pci/devices/${DEVICE_BDF} - - if [ -f /sys/bus/pci/devices/${DEVICE_BDF}/sriov_numvfs ]; then - OLD_NUMVFS=$(cat /sys/bus/pci/devices/${DEVICE_BDF}/sriov_numvfs) - set_sriov_numvfs ${DEVICE_BDF} 0 - fi - - if [ -L /sys/bus/pci/devices/${DEVICE_BDF}/driver ]; then - OLD_DRIVER=$(basename $(readlink -m /sys/bus/pci/devices/${DEVICE_BDF}/driver)) - unbind ${DEVICE_BDF} ${OLD_DRIVER} - fi - - set_driver_override ${DEVICE_BDF} vfio-pci - DRIVER_OVERRIDE=true - - bind ${DEVICE_BDF} vfio-pci - NEW_DRIVER=vfio-pci - - echo - if [ "${shell}" ]; then - echo "Dropping into ${SHELL} with VFIO_SELFTESTS_BDF=${DEVICE_BDF}" - VFIO_SELFTESTS_BDF=${DEVICE_BDF} ${SHELL} - else - "$@" ${DEVICE_BDF} - fi - echo -} - -main "$@" |
