arch/um/include/shared/timetravel.h

   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 IS_ENABLED(CONFIG_UML_TIME_TRAVEL_SUPPORT)
  16 extern enum time_travel_mode time_travel_mode;
  17 extern int time_travel_should_print_bc_msg;
  18 #else
  19 #define time_travel_mode TT_MODE_OFF
  20 #define time_travel_should_print_bc_msg 0
  21 #endif /* CONFIG_UML_TIME_TRAVEL_SUPPORT */
  22
  23 void _time_travel_print_bc_msg(void);
  24 static inline void time_travel_print_bc_msg(void)
  25 {
  26         if (time_travel_should_print_bc_msg)
  27                 _time_travel_print_bc_msg();
  28 }
  29
  30 #endif /* _UM_TIME_TRAVEL_H_ */