From b09aa53469a6a566f30e0571a470025d41652661 Mon Sep 17 00:00:00 2001
From: Tony Zhu <tony.zhu@intel.com>
Date: Tue, 21 Nov 2023 16:43:18 +0800
Subject: [PATCH] SPLITLOCK test: add split lock test items into tests

This test includes two test items, the first one will check cpuinfo,
the second one will call split lock test to trigger an execption.

Signed-off-by: Tony Zhu <tony.zhu@intel.com>
---
 splitlock/split_lock.sh | 70 +++++++++++++++++++++++++++++++++++++++++
 splitlock/tests         |  5 +++
 2 files changed, 75 insertions(+)
 create mode 100755 splitlock/split_lock.sh
 create mode 100755 splitlock/tests

diff --git a/splitlock/split_lock.sh b/splitlock/split_lock.sh
new file mode 100755
index 0000000..77b925d
--- /dev/null
+++ b/splitlock/split_lock.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2023 Intel Corporation
+# Description:  Test script for split lock of CPU
+
+cd "$(dirname "$0")" 2>/dev/null && source ../.env
+
+: "${CASE_NAME:="check_cpu_info"}"
+
+usage() {
+  cat <<__EOF
+  usage: ./${0##*/} [-t TESTCASE_ID] [-H]
+  -t  TEST CASE ID
+  -H  show this
+__EOF
+}
+
+# Check this feature is enabled/supported
+# Return: 0 for true, otherwise false
+check_cpu_info() {
+  local cpu_func="split_lock_detect"
+  grep -q "$cpu_func" /proc/cpuinfo || block_test "CPU not support:$cpu_func"
+  test_print_trc "/proc/cpuinfo contain '$cpu_func'"
+}
+
+# Call split lock test and check dmesg if #AC is triggered
+split_lock_ac() {
+  local ac_dmesg_start=$(dmesg | grep "x86/split lock detection: #" | wc -l)
+  sl_test
+  local ac_dmesg_end=$(dmesg | grep "x86/split lock detection: #" | wc -l)
+  grep -q "split_lock_detect=fatal" /proc/cmdline && block_test "If set is fatal won't trigger #AC"
+  if [[ $ac_dmesg_end -gt $ac_dmesg_start ]];then
+    test_print_trc "split_lock_dect: [PASS]"
+  else
+    die "split_lock_dect: [FAIL]"
+  fi
+}
+
+split_lock_test() {
+  case $TEST_SCENARIO in
+  sl_on_default)
+    check_cpu_info
+    ;;
+  check_ac_dmesg)
+    split_lock_ac
+    ;;
+  esac
+  return 0
+}
+
+while getopts :t:H arg; do
+  case $arg in
+  t)
+    TEST_SCENARIO=$OPTARG
+    ;;
+  H)
+    usage && exit 0
+    ;;
+  \?)
+    usage
+    die "Invalid Option -$OPTARG"
+    ;;
+  :)
+    usage
+    die "Option -$OPTARG requires an argument."
+    ;;
+  esac
+done
+
+split_lock_test
diff --git a/splitlock/tests b/splitlock/tests
new file mode 100755
index 0000000..168d8ba
--- /dev/null
+++ b/splitlock/tests
@@ -0,0 +1,5 @@
+# This file collects the split lock feature tests on
+# Intel® Architecture-based platforms.
+
+split_lock.sh -t sl_on_default
+split_lock.sh -t check_ac_dmesg