Initial commit

meta-luxshare/recipes-phosphor/luxshare-eeprom/read-guid-from-eeprom/read-guid-from-eeprom.service

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+[Unit]
+Description=Read GUID from eeprom
+After=xyz.openbmc_project.Settings.service
+After=com.luxshare.eeprom.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/read-guid-from-eeprom.sh
+ExecStartPost=touch /run/initramfs/read-guid-from-eeprom.done
+
+[Install]
+WantedBy=multi-user.target

meta-luxshare/recipes-phosphor/luxshare-eeprom/read-guid-from-eeprom/read-guid-from-eeprom.sh

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+#!/bin/bash
+
+set -e
+
+SETTINGS_SERVICE="xyz.openbmc_project.Settings"
+GUID_OBJPATH="/xyz/openbmc_project/inventory/item/bmc"
+GUID_INTERFACE="xyz.openbmc_project.Common.UUID"
+BMC_INTERFACE="xyz.openbmc_project.Inventory.Item.Bmc"
+SYSTEM_GUID_PROPERTY="UUID"
+DEVICE_GUID_PROPERTY="DeviceGUID"
+
+EEPROM_SERVICE="com.luxshare.eeprom"
+EEPROM_OBJPATH="/com/luxshare/eeprom/baseboard"
+EEPROM_INTERFACE="com.luxshare.eeprom"
+EEPROM_SYSTEM_GUID_PROPERTY="SystemGUID"
+EEPROM_DEVICE_GUID_PROPERTY="DeviceGUID"
+
+echo "generate device&system guid from machine-id"
+guid_str=$(systemd-id128 machine-id --app-specific=e0e17376646147daa50cd0cc64124578)
+
+system_data_raw=$(busctl get-property ${EEPROM_SERVICE} ${EEPROM_OBJPATH} ${EEPROM_INTERFACE} ${EEPROM_SYSTEM_GUID_PROPERTY})
+
+#remove ay 16
+system_GUID=$(echo $system_data_raw | sed 's/ay [0-9]\+ //')
+
+read -a data <<< "$system_GUID"
+
+hex_data=()
+#dec==>hex
+for decimal_value in "${data[@]}"; do
+    hex_value=$(printf "%02x" "$decimal_value")
+    hex_data+=("$hex_value")
+done
+
+echo "Read system GUID from eeprom service : ${system_GUID}"
+if [[ "$system_GUID" == "255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255" ]];then
+    busctl set-property "${SETTINGS_SERVICE}" "${GUID_OBJPATH}" "${GUID_INTERFACE}" "${SYSTEM_GUID_PROPERTY}" s "${guid_str:0:8}"-"${guid_str:8:4}"-"${guid_str:12:4}"-"${guid_str:16:4}"-"${guid_str:20:12}"
+else
+    busctl set-property "${SETTINGS_SERVICE}" "${GUID_OBJPATH}" "${GUID_INTERFACE}" "${SYSTEM_GUID_PROPERTY}" s "${hex_data[0]}""${hex_data[1]}""${hex_data[2]}""${hex_data[3]}"-"${hex_data[4]}""${hex_data[5]}"-"${hex_data[6]}""${hex_data[7]}"-"${hex_data[8]}""${hex_data[9]}"-"${hex_data[10]}""${hex_data[11]}""${hex_data[12]}""${hex_data[13]}""${hex_data[14]}""${hex_data[15]}"
+fi
+
+device_data_raw=$(busctl get-property ${EEPROM_SERVICE} ${EEPROM_OBJPATH} ${EEPROM_INTERFACE} ${EEPROM_DEVICE_GUID_PROPERTY})
+
+device_GUID=$(echo $device_data_raw | sed 's/ay [0-9]\+ //')
+
+read -a data <<< "$device_GUID"
+
+hex_data=()
+#dec==>hex
+for decimal_value in "${data[@]}"; do
+    hex_value=$(printf "%02x" "$decimal_value")
+    hex_data+=("$hex_value")
+done
+
+echo "Read device GUID from eeprom : ${device_GUID}"
+if [[ "$device_GUID" == "255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255" ]];then
+    busctl set-property "${SETTINGS_SERVICE}" "${GUID_OBJPATH}" "${BMC_INTERFACE}" "${DEVICE_GUID_PROPERTY}" s "${guid_str:0:8}"-"${guid_str:8:4}"-"${guid_str:12:4}"-"${guid_str:16:4}"-"${guid_str:20:12}"
+else
+    busctl set-property "${SETTINGS_SERVICE}" "${GUID_OBJPATH}" "${BMC_INTERFACE}" "${DEVICE_GUID_PROPERTY}" s "${hex_data[0]}""${hex_data[1]}""${hex_data[2]}""${hex_data[3]}"-"${hex_data[4]}""${hex_data[5]}"-"${hex_data[6]}""${hex_data[7]}"-"${hex_data[8]}""${hex_data[9]}"-"${hex_data[10]}""${hex_data[11]}""${hex_data[12]}""${hex_data[13]}""${hex_data[14]}""${hex_data[15]}"
+fi