selftests/livepatch/functions.sh

154 	local mod="$1"
156 	if [[ ! -f "test_modules/$mod.ko" ]]; then
157 		die "Can't find \"test_modules/$mod.ko\", try \"make\""
160 	if [[ $(modinfo "test_modules/$mod.ko" | awk '/^livepatch:/{print $NF}') == "Y" ]]; then
168 	local mod="$1"; shift
170 	local msg="% insmod test_modules/$mod.ko $*"
172 	ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1)
178 	loop_until '[[ -e "/sys/module/$mod" ]]' ||
179 		die "failed to load module $mod"
187 	local mod="$1"; shift
189 	is_livepatch_mod "$mod" &&
190 		die "use load_lp() to load the livepatch module $mod"
192 	__load_mod "$mod" "$@"
200 	local mod="$1"; shift
202 	is_livepatch_mod "$mod" ||
203 		die "module $mod is not a livepatch"
205 	__load_mod "$mod" "$@"
208 	loop_until '[[ -e "$SYSFS_KLP_DIR/$mod" ]]' ||
209 		die "failed to load module $mod (sysfs)"
216 	local mod="$1"; shift
218 	load_lp_nowait "$mod" "$@"
221 	loop_until 'grep -q '^0$' $SYSFS_KLP_DIR/$mod/transition' ||
229 	local mod="$1"; shift
231 	local msg="% insmod test_modules/$mod.ko $*"
233 	ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1)
235 		die "$mod unexpectedly loaded"
243 	local mod="$1"
246 	loop_until '[[ $(cat "/sys/module/$mod/refcnt") == "0" ]]' ||
247 		die "failed to unload module $mod (refcnt)"
249 	log "% rmmod $mod"
250 	ret=$(rmmod "$mod" 2>&1)
256 	loop_until '[[ ! -e "/sys/module/$mod" ]]' ||
257 		die "failed to unload module $mod (/sys/module)"
269 	local mod="$1"
271 	log "% echo 0 > $SYSFS_KLP_DIR/$mod/enabled"
272 	echo 0 > "$SYSFS_KLP_DIR/$mod/enabled"
276 	loop_until '[[ ! -e "$SYSFS_KLP_DIR/$mod" ]]' ||
277 		die "failed to disable livepatch $mod"
284 	local mod="$1"; shift
287 	log "% echo $ret > /sys/module/$mod/parameters/pre_patch_ret"
288 	echo "$ret" > /sys/module/"$mod"/parameters/pre_patch_ret
291 	loop_until '[[ $(cat "/sys/module/$mod/parameters/pre_patch_ret") == "$ret" ]]' ||
292 		die "failed to set pre_patch_ret parameter for $mod module"
344 	local mod="$1"; shift
348 	local path="$SYSFS_KLP_DIR/$mod/$rel_path"
360 	local mod="$1"; shift
364 	local path="$SYSFS_KLP_DIR/$mod/$rel_path"