diff --git a/android/hal-msg.h b/android/hal-msg.h
index 1f77586..6266903 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
/* Core Service */
#define HAL_ERROR_FAILED 0x01
+#define HAL_ERROR_NOT_READY 0x02
+#define HAL_ERROR_NOMEM 0x03
+#define HAL_ERROR_BUSY 0x04
+#define HAL_ERROR_DONE 0x05
+#define HAL_ERROR_UNSUPPORTED 0x06
+#define HAL_ERROR_INVALID 0x07
+#define HAL_ERROR_UNHANDLED 0x08
+#define HAL_ERROR_AUTH_FAILURE 0x09
+#define HAL_ERROR_REMOTE_DEVICE_DOWN 0x0a
#define HAL_MSG_OP_ERROR 0x00
struct hal_msg_rsp_error {