#!/bin/bash# SPDX-License-Identifier: GPL-2.0## Modules specific tests cases # protect against multiple inclusionif [ $FILE_MODULE ]; then	return 0else	FILE_MODULE=DONEfi source cpu.shsource cpufreq.shsource governor.sh # Check basic insmod/rmmod# $1: moduletest_basic_insmod_rmmod(){	printf "** Test: Running ${FUNCNAME[0]} **\n\n" 	printf "Inserting $1 module\n"	# insert module	insmod $1	if [ $? != 0 ]; then		ktap_exit_fail_msg "Insmod $1 failed\n"	fi 	printf "Removing $1 module\n"	# remove module	rmmod $1	if [ $? != 0 ]; then		ktap_exit_fail_msg "rmmod $1 failed\n"	fi 	printf "\n"} # Insert cpufreq driver module and perform basic tests# $1: cpufreq-driver module to insert# $2: If we want to play with CPUs (1) or not (0)module_driver_test_single(){	printf "** Test: Running ${FUNCNAME[0]} for driver $1 and cpus_hotplug=$2 **\n\n" 	if [ $2 -eq 1 ]; then		# offline all non-boot CPUs		for_each_non_boot_cpu offline_cpu		printf "\n"	fi 	# insert module	printf "Inserting $1 module\n\n"	insmod $1	if [ $? != 0 ]; then		printf "Insmod $1 failed\n"		return;	fi 	if [ $2 -eq 1 ]; then		# online all non-boot CPUs		for_each_non_boot_cpu online_cpu		printf "\n"	fi 	# run basic tests	cpufreq_basic_tests 	# remove module	printf "Removing $1 module\n\n"	rmmod $1	if [ $? != 0 ]; then		printf "rmmod $1 failed\n"		return;	fi 	# There shouldn't be any cpufreq directories now.	for_each_cpu cpu_should_not_have_cpufreq_directory	printf "\n"} # $1: cpufreq-driver module to insertmodule_driver_test(){	printf "** Test: Running ${FUNCNAME[0]} **\n\n" 	# check if module is present or not	ls $1 > /dev/null	if [ $? != 0 ]; then		printf "$1: not present in `pwd` folder\n"		return;	fi 	# test basic module tests	test_basic_insmod_rmmod $1 	# Do simple module test	module_driver_test_single $1 0 	# Remove CPUs before inserting module and then bring them back	module_driver_test_single $1 1	printf "\n"} # find governor name based on governor module name# $1: governor module namefind_gov_name(){	if [ $1 = "cpufreq_ondemand.ko" ]; then		printf "ondemand"	elif [ $1 = "cpufreq_conservative.ko" ]; then		printf "conservative"	elif [ $1 = "cpufreq_userspace.ko" ]; then		printf "userspace"	elif [ $1 = "cpufreq_performance.ko" ]; then		printf "performance"	elif [ $1 = "cpufreq_powersave.ko" ]; then		printf "powersave"	elif [ $1 = "cpufreq_schedutil.ko" ]; then		printf "schedutil"	fi} # $1: governor string, $2: governor module, $3: policy# example: module_governor_test_single "ondemand" "cpufreq_ondemand.ko" 2module_governor_test_single(){	printf "** Test: Running ${FUNCNAME[0]} for $3 **\n\n" 	backup_governor $3 	# switch to new governor	printf "Switch from $CUR_GOV to $1\n"	switch_show_governor $3 $1 	# try removing module, it should fail as governor is used	printf "Removing $2 module\n\n"	rmmod $2	if [ $? = 0 ]; then		printf "WARN: rmmod $2 succeeded even if governor is used\n"		insmod $2	else		printf "Pass: unable to remove $2 while it is being used\n\n"	fi 	# switch back to old governor	printf "Switchback to $CUR_GOV from $1\n"	restore_governor $3	printf "\n"} # Insert cpufreq governor module and perform basic tests# $1: cpufreq-governor module to insertmodule_governor_test(){	printf "** Test: Running ${FUNCNAME[0]} **\n\n" 	# check if module is present or not	ls $1 > /dev/null	if [ $? != 0 ]; then		printf "$1: not present in `pwd` folder\n"		return;	fi 	# test basic module tests	test_basic_insmod_rmmod $1 	# insert module	printf "Inserting $1 module\n\n"	insmod $1	if [ $? != 0 ]; then		printf "Insmod $1 failed\n"		return;	fi 	# switch to new governor for each cpu	for_each_policy module_governor_test_single $(find_gov_name $1) $1 	# remove module	printf "Removing $1 module\n\n"	rmmod $1	if [ $? != 0 ]; then		printf "rmmod $1 failed\n"		return;	fi	printf "\n"} # test modules: driver and governor# $1: driver module, $2: governor modulemodule_test(){	printf "** Test: Running ${FUNCNAME[0]} **\n\n" 	# check if modules are present or not	ls $1 $2 > /dev/null	if [ $? != 0 ]; then		printf "$1 or $2: is not present in `pwd` folder\n"		return;	fi 	# TEST1: Insert gov after driver	# insert driver module	printf "Inserting $1 module\n\n"	insmod $1	if [ $? != 0 ]; then		printf "Insmod $1 failed\n"		return;	fi 	# run governor tests	module_governor_test $2 	# remove driver module	printf "Removing $1 module\n\n"	rmmod $1	if [ $? != 0 ]; then		printf "rmmod $1 failed\n"		return;	fi 	# TEST2: Insert driver after governor	# insert governor module	printf "Inserting $2 module\n\n"	insmod $2	if [ $? != 0 ]; then		printf "Insmod $2 failed\n"		return;	fi 	# run governor tests	module_driver_test $1 	# remove driver module	printf "Removing $2 module\n\n"	rmmod $2	if [ $? != 0 ]; then		printf "rmmod $2 failed\n"		return;	fi}