feat(test): update oe_test_hdparam

testcases/smoke_test/smoke_mugen/smoke-basic-os/oe_test_hdparm/oe_test_hdparm.sh

@@ -22,26 +22,65 @@ source "$OET_PATH/libs/locallibs/common_lib.sh"
 function pre_test() {
     LOG_INFO "Start environment preparation."
     DNF_INSTALL "hdparm util-linux"
-    disk=$(lsblk -a -o NAME,TYPE | grep -v NAME | grep disk |  head -1 | awk '{print $1}')
+
+    # 获取第一个物理磁盘，排除虚拟设备(ram, loop, dm等)
+    disk=$(lsblk -a -o NAME,TYPE | grep -v NAME | grep disk | grep -v -E '(ram|loop|dm|nbd)' | head -1 | awk '{print $1}')
+
+    if [ -z "${disk}" ]; then
+        LOG_ERROR "No physical disk found for testing"
+        exit 255
+    fi
+
+    LOG_INFO "Selected disk for testing: ${disk}"
     LOG_INFO "End of environmental preparation!"
 }
 
 function run_test() {
     LOG_INFO "Start testing..."
+
+    # 测试读取预读缓冲设置
     hdparm -a /dev/"${disk}" | grep readahead
     CHECK_RESULT $?
+
+    # 测试只读状态查询
     hdparm -r /dev/"${disk}" | grep readonly
     CHECK_RESULT $?
-    if lsblk | grep sd; then
-        hdparm -F /dev/"${disk}"
-        CHECK_RESULT $?
+
+    # 仅对SCSI/SATA磁盘执行flush cache测试
+    # 检查是否为sd设备且支持flush cache操作
+    if echo "${disk}" | grep -q "^sd"; then
+        LOG_INFO "Executing flush cache test on SCSI/SATA disk: ${disk}"
+        hdparm -F /dev/"${disk}" 2>&1 | tee /tmp/hdparm_flush_result.log
+        flush_result=${PIPESTATUS[0]}
+
+        # 检查执行结果
+        if [ ${flush_result} -ne 0 ]; then
+            # 如果失败，检查是否是ioctl不支持的错误
+            if grep -q "Inappropriate ioctl" /tmp/hdparm_flush_result.log; then
+                LOG_WARN "Device /dev/${disk} does not support flush cache operation, skipping this test"
+                rm -f /tmp/hdparm_flush_result.log
+                return 0
+            else
+                LOG_ERROR "hdparm -F failed with unexpected error"
+                cat /tmp/hdparm_flush_result.log
+                rm -f /tmp/hdparm_flush_result.log
+                return 1
+            fi
+        fi
+
+        rm -f /tmp/hdparm_flush_result.log
+        LOG_INFO "Flush cache test passed"
+    else
+        LOG_INFO "Disk ${disk} is not a SCSI/SATA device (sd*), skipping flush cache test"
     fi
+
     LOG_INFO "Finish test!"
 }
 
 function post_test() {
     LOG_INFO "start environment cleanup."
     DNF_REMOVE
+    rm -f /tmp/hdparm_flush_result.log
     LOG_INFO "Finish environment cleanup!"
 }
 main $@