#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Runs an individual test module.
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#
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# kselftest expects a separate executable for each test, this can be
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# created by adding a script like this:
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#
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# #!/bin/sh
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# SPDX-License-Identifier: GPL-2.0+
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# $(dirname $0)/../kselftest/module.sh "description" module_name
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#
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# Example: tools/testing/selftests/lib/printf.sh
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desc="" # Output prefix.
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module="" # Filename (without the .ko).
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args="" # modprobe arguments.
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modprobe="/sbin/modprobe"
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main() {
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parse_args "$@"
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assert_root
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assert_have_module
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run_module
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}
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parse_args() {
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script=${0##*/}
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if [ $# -lt 2 ]; then
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echo "Usage: $script <description> <module_name> [FAIL]"
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exit 1
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fi
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desc="$1"
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shift || true
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module="$1"
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shift || true
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args="$@"
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}
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assert_root() {
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if [ ! -w /dev ]; then
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skip "please run as root"
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fi
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}
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assert_have_module() {
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if ! $modprobe -q -n $module; then
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skip "module $module is not found"
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fi
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}
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run_module() {
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if $modprobe -q $module $args; then
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$modprobe -q -r $module
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say "ok"
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else
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fail ""
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fi
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}
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say() {
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echo "$desc: $1"
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}
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fail() {
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say "$1 [FAIL]" >&2
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exit 1
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}
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skip() {
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say "$1 [SKIP]" >&2
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# Kselftest framework requirement - SKIP code is 4.
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exit 4
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}
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#
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# Main script
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#
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main "$@"
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