1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2019-2021 Intel Corporation
4  */
5 #ifndef _UM_TIME_TRAVEL_H_
6 #define _UM_TIME_TRAVEL_H_
7 
8 enum time_travel_mode {
9 	TT_MODE_OFF,
10 	TT_MODE_BASIC,
11 	TT_MODE_INFCPU,
12 	TT_MODE_EXTERNAL,
13 };
14 
15 #if defined(UML_CONFIG_UML_TIME_TRAVEL_SUPPORT) || \
16     defined(CONFIG_UML_TIME_TRAVEL_SUPPORT)
17 extern enum time_travel_mode time_travel_mode;
18 #else
19 #define time_travel_mode TT_MODE_OFF
20 #endif /* (UML_)CONFIG_UML_TIME_TRAVEL_SUPPORT */
21 
22 #endif /* _UM_TIME_TRAVEL_H_ */
23