From ff1b80ec841562b374083335f68f4de0c7f46ab4 Mon Sep 17 00:00:00 2001 From: Song Liu Date: Fri, 2 Sep 2022 13:52:08 -0700 Subject: selftests/livepatch: add sysfs test Add a test for livepatch sysfs entries. Signed-off-by: Song Liu Reviewed-by: Petr Mladek Signed-off-by: Petr Mladek Link: https://lore.kernel.org/r/20220902205208.3117798-3-song@kernel.org --- tools/testing/selftests/livepatch/functions.sh | 34 ++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'tools/testing/selftests/livepatch/functions.sh') diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh index 9230b869371d..433e23dd9dcb 100644 --- a/tools/testing/selftests/livepatch/functions.sh +++ b/tools/testing/selftests/livepatch/functions.sh @@ -6,6 +6,7 @@ MAX_RETRIES=600 RETRY_INTERVAL=".1" # seconds +KLP_SYSFS_DIR="/sys/kernel/livepatch" # Kselftest framework requirement - SKIP code is 4 ksft_skip=4 @@ -308,3 +309,36 @@ function check_result { cleanup_dmesg_file } + +# check_sysfs_rights(modname, rel_path, expected_rights) - check sysfs +# path permissions +# modname - livepatch module creating the sysfs interface +# rel_path - relative path of the sysfs interface +# expected_rights - expected access rights +function check_sysfs_rights() { + local mod="$1"; shift + local rel_path="$1"; shift + local expected_rights="$1"; shift + + local path="$KLP_SYSFS_DIR/$mod/$rel_path" + local rights=$(/bin/stat --format '%A' "$path") + if test "$rights" != "$expected_rights" ; then + die "Unexpected access rights of $path: $expected_rights vs. $rights" + fi +} + +# check_sysfs_value(modname, rel_path, expected_value) - check sysfs value +# modname - livepatch module creating the sysfs interface +# rel_path - relative path of the sysfs interface +# expected_value - expected value read from the file +function check_sysfs_value() { + local mod="$1"; shift + local rel_path="$1"; shift + local expected_value="$1"; shift + + local path="$KLP_SYSFS_DIR/$mod/$rel_path" + local value=`cat $path` + if test "$value" != "$expected_value" ; then + die "Unexpected value in $path: $expected_value vs. $value" + fi +} -- cgit v1.2.3