Two selftests are added to verify IFS scan test feature:
1. Perform IFS scan test once on each CPU using all the available image files. 2. Perform IFS scan test with the default image on a random cpu for 3 rounds.
Reviewed-by: Jithu Joseph jithu.joseph@intel.com Co-developed-by: Ashok Raj ashok.raj@intel.com Signed-off-by: Ashok Raj ashok.raj@intel.com Signed-off-by: Pengfei Xu pengfei.xu@intel.com --- .../platform/x86/intel/ifs/test_ifs.sh | 190 +++++++++++++++++- 1 file changed, 189 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/drivers/platform/x86/intel/ifs/test_ifs.sh b/tools/testing/selftests/drivers/platform/x86/intel/ifs/test_ifs.sh index 2a4df745bf6f..63d13400af4f 100755 --- a/tools/testing/selftests/drivers/platform/x86/intel/ifs/test_ifs.sh +++ b/tools/testing/selftests/drivers/platform/x86/intel/ifs/test_ifs.sh @@ -10,16 +10,25 @@ readonly KSFT_FAIL=1 readonly KSFT_XFAIL=2 readonly KSFT_SKIP=4
+readonly CPU_SYSFS="/sys/devices/system/cpu" +readonly CPU_OFFLINE_SYSFS="${CPU_SYSFS}/offline" readonly IMG_PATH="/lib/firmware/intel/ifs_0" readonly IFS_SCAN_MODE="0" +readonly IFS_ARRAY_BIST_SCAN_MODE="1" readonly IFS_PATH="/sys/devices/virtual/misc/intel_ifs" readonly IFS_SCAN_SYSFS_PATH="${IFS_PATH}_${IFS_SCAN_MODE}" +readonly RUN_TEST="run_test" +readonly STATUS="status" +readonly DETAILS="details" +readonly STATUS_PASS="pass" readonly PASS="PASS" readonly FAIL="FAIL" readonly INFO="INFO" readonly XFAIL="XFAIL" readonly SKIP="SKIP" readonly IFS_NAME="intel_ifs" +readonly ALL="all" +readonly SIBLINGS="siblings"
# Matches arch/x86/include/asm/intel-family.h and # drivers/platform/x86/intel/ifs/core.c requirement as follows @@ -28,6 +37,7 @@ readonly EMERALDRAPIDS_X="cf"
readonly INTEL_FAM6="06"
+LOOP_TIMES=3 FML="" MODEL="" STEPPING="" @@ -36,11 +46,13 @@ TRUE="true" FALSE="false" RESULT=$KSFT_PASS IMAGE_NAME="" -export INTERVAL_TIME=1 +INTERVAL_TIME=1 +OFFLINE_CPUS="" # For IFS cleanup tags ORIGIN_IFS_LOADED="" IFS_IMAGE_NEED_RESTORE=$FALSE IFS_LOG="/tmp/ifs_logs.$$" +RANDOM_CPU="" DEFAULT_IMG_ID=""
append_log() @@ -48,6 +60,35 @@ append_log() echo -e "$1" | tee -a "$IFS_LOG" }
+online_offline_cpu_list() +{ + local on_off=$1 + local target_cpus=$2 + local cpu="" + local cpu_start="" + local cpu_end="" + local i="" + + if [[ -n "$target_cpus" ]]; then + for cpu in $(echo "$target_cpus" | tr ',' ' '); do + if [[ "$cpu" == *"-"* ]]; then + cpu_start="" + cpu_end="" + i="" + cpu_start=$(echo "$cpu" | cut -d "-" -f 1) + cpu_end=$(echo "$cpu" | cut -d "-" -f 2) + for((i=cpu_start;i<=cpu_end;i++)); do + append_log "[$INFO] echo $on_off > \ +${CPU_SYSFS}/cpu${i}/online" + echo "$on_off" > "$CPU_SYSFS"/cpu"$i"/online + done + else + set_target_cpu "$on_off" "$cpu" + fi + done + fi +} + ifs_scan_result_summary() { local failed_info pass_num skip_num fail_num @@ -80,6 +121,9 @@ ifs_cleanup() mv -f "$IMG_PATH"/"$IMAGE_NAME"_origin "$IMG_PATH"/"$IMAGE_NAME" }
+ # Restore the CPUs to the state before testing + [[ -z "$OFFLINE_CPUS" ]] || online_offline_cpu_list "0" "$OFFLINE_CPUS" + lsmod | grep -q "$IFS_NAME" && [[ "$ORIGIN_IFS_LOADED" == "$FALSE" ]] && { echo "[$INFO] modprobe -r $IFS_NAME" modprobe -r "$IFS_NAME" @@ -122,6 +166,23 @@ test_exit() ifs_cleanup }
+online_all_cpus() +{ + local off_cpus="" + + OFFLINE_CPUS=$(cat "$CPU_OFFLINE_SYSFS") + online_offline_cpu_list "1" "$OFFLINE_CPUS" + + off_cpus=$(cat "$CPU_OFFLINE_SYSFS") + if [[ -z "$off_cpus" ]]; then + append_log "[$INFO] All CPUs are online." + else + append_log "[$XFAIL] There is offline cpu:$off_cpus after online all cpu!" + RESULT=$KSFT_XFAIL + ifs_cleanup + fi +} + get_cpu_fms() { FML=$(grep -m 1 "family" /proc/cpuinfo | awk -F ":" '{printf "%02x",$2;}') @@ -270,10 +331,135 @@ test_bad_and_origin_ifs_image() append_log "[$INFO] Loading invalid IFS image and then loading initial image passed.\n" }
+ifs_test_cpu() +{ + local ifs_mode=$1 + local cpu_num=$2 + local image_id status details ret result result_info + + echo "$cpu_num" > "$IFS_PATH"_"$ifs_mode"/"$RUN_TEST" + ret=$? + + status=$(cat "${IFS_PATH}_${ifs_mode}/${STATUS}") + details=$(cat "${IFS_PATH}_${ifs_mode}/${DETAILS}") + + if [[ "$ret" -eq 0 && "$status" == "$STATUS_PASS" ]]; then + result="$PASS" + else + result="$FAIL" + fi + + cpu_num=$(cat "${CPU_SYSFS}/cpu${cpu_num}/topology/thread_siblings_list") + + # There is no image file for IFS ARRAY BIST scan + if [[ -e "${IFS_PATH}_${ifs_mode}/current_batch" ]]; then + image_id=$(cat "${IFS_PATH}_${ifs_mode}/current_batch") + result_info=$(printf "[%s] ifs_%1d cpu(s):%s, current_batch:0x%02x, \ +ret:%2d, status:%s, details:0x%016x" \ + "$result" "$ifs_mode" "$cpu_num" "$image_id" "$ret" \ + "$status" "$details") + else + result_info=$(printf "[%s] ifs_%1d cpu(s):%s, ret:%2d, status:%s, details:0x%016x" \ + "$result" "$ifs_mode" "$cpu_num" "$ret" "$status" "$details") + fi + + append_log "$result_info" +} + +ifs_test_cpus() +{ + local cpus_type=$1 + local ifs_mode=$2 + local image_id=$3 + local cpu_max_num="" + local cpu_num="" + + case "$cpus_type" in + "$ALL") + cpu_max_num=$(($(nproc) - 1)) + cpus=$(seq 0 $cpu_max_num) + ;; + "$SIBLINGS") + cpus=$(cat ${CPU_SYSFS}/cpu*/topology/thread_siblings_list \ + | sed -e 's/,.*//' \ + | sed -e 's/-.*//' \ + | sort -n \ + | uniq) + ;; + *) + test_exit "Invalid cpus_type:$cpus_type" "$KSFT_XFAIL" + ;; + esac + + for cpu_num in $cpus; do + ifs_test_cpu "$ifs_mode" "$cpu_num" + done + + if [[ -z "$image_id" ]]; then + append_log "[$INFO] ifs_$ifs_mode test $cpus_type cpus completed\n" + else + append_log "[$INFO] ifs_$ifs_mode $cpus_type cpus with $CPU_FMS-$image_id.scan \ +completed\n" + fi +} + +test_ifs_same_cpu_loop() +{ + local ifs_mode=$1 + local cpu_num=$2 + local loop_times=$3 + + append_log "[$INFO] Test ifs mode $ifs_mode on CPU:$cpu_num for $loop_times rounds:" + [[ "$ifs_mode" == "$IFS_SCAN_MODE" ]] && { + load_image "$DEFAULT_IMG_ID" || return $? + } + for (( i=1; i<=loop_times; i++ )); do + append_log "[$INFO] Loop iteration: $i in total of $loop_times" + # Only IFS scan needs the interval time + if [[ "$ifs_mode" == "$IFS_SCAN_MODE" ]]; then + do_cmd "sleep $INTERVAL_TIME" + elif [[ "$ifs_mode" == "$IFS_ARRAY_BIST_SCAN_MODE" ]]; then + true + else + test_exit "Invalid ifs_mode:$ifs_mode" "$KSFT_XFAIL" + fi + + ifs_test_cpu "$ifs_mode" "$cpu_num" + done + append_log "[$INFO] $loop_times rounds of ifs_$ifs_mode test on CPU:$cpu_num completed.\n" +} + +test_ifs_scan_available_imgs() +{ + local image_ids="" + local image_id="" + + append_log "[$INFO] Test ifs scan with available images:" + image_ids=$(find "$IMG_PATH" -maxdepth 1 -name "${CPU_FMS}-[0-9a-fA-F][0-9a-fA-F].scan" \ + 2>/dev/null \ + | sort \ + | awk -F "-" '{print $NF}' \ + | cut -d "." -f 1) + + for image_id in $image_ids; do + load_image "$image_id" || return $? + + ifs_test_cpus "$SIBLINGS" "$IFS_SCAN_MODE" "$image_id" + # IFS scan requires time interval for the scan on the same CPU + do_cmd "sleep $INTERVAL_TIME" + done +} + prepare_ifs_test_env() { + local max_cpu="" + check_cpu_ifs_support_interval_time
+ online_all_cpus + max_cpu=$(($(nproc) - 1)) + RANDOM_CPU=$(shuf -i 0-$max_cpu -n 1) + DEFAULT_IMG_ID=$(find $IMG_PATH -maxdepth 1 -name "${CPU_FMS}-[0-9a-fA-F][0-9a-fA-F].scan" \ 2>/dev/null \ | sort \ @@ -292,6 +478,8 @@ test_ifs() append_log "[$SKIP] No proper ${IMG_PATH}/${CPU_FMS}-*.scan, skip ifs_0 scan" else test_bad_and_origin_ifs_image "$DEFAULT_IMG_ID" + test_ifs_scan_available_imgs + test_ifs_same_cpu_loop "$IFS_SCAN_MODE" "$RANDOM_CPU" "$LOOP_TIMES" fi }