INT64 __fastcall IvtInvalidateAllContextEntries(_QWORD *a1){ INT64 v2; _QWORD a2[3]; a2[1] = 0i64; a2[0] = 17i64; IvtIommuSendCommand(a1, a2, 0i64); return IvtIommuWaitCommand((INT64)a1, v2, 0i64); }