diff --git a/scst/include/scst_const.h b/scst/include/scst_const.h
index 24814e2eb..c8de3d2a9 100644
--- a/scst/include/scst_const.h
+++ b/scst/include/scst_const.h
@@ -333,6 +333,12 @@ enum scst_cdb_flags {
 #ifndef MI_REPORT_IDENTIFYING_INFORMATION
 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05
 #endif
+#ifndef MI_REPORT_SUPPORTED_OPERATION_CODES
+#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
+#endif
+#ifndef MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS
+#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
+#endif
 #endif
 #ifndef SERVICE_ACTION_IN
 #define SERVICE_ACTION_IN     0x9e