arch/um/include/shared/timer-internal.h

   1 /*
   2  * Copyright (C) 2012 - 2014 Cisco Systems
   3  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   4  * Licensed under the GPL
   5  */
   6
   7 #ifndef __TIMER_INTERNAL_H__
   8 #define __TIMER_INTERNAL_H__
   9
  10 #define TIMER_MULTIPLIER 256
  11 #define TIMER_MIN_DELTA  500
  12
  13 enum time_travel_mode {
  14         TT_MODE_OFF,
  15         TT_MODE_BASIC,
  16         TT_MODE_INFCPU,
  17 };
  18
  19 enum time_travel_timer_mode {
  20         TT_TMR_DISABLED,
  21         TT_TMR_ONESHOT,
  22         TT_TMR_PERIODIC,
  23 };
  24
  25 #ifdef CONFIG_UML_TIME_TRAVEL_SUPPORT
  26 extern enum time_travel_mode time_travel_mode;
  27 extern unsigned long long time_travel_time;
  28 extern enum time_travel_timer_mode time_travel_timer_mode;
  29 extern unsigned long long time_travel_timer_expiry;
  30 extern unsigned long long time_travel_timer_interval;
  31
  32 static inline void time_travel_set_time(unsigned long long ns)
  33 {
  34         time_travel_time = ns;
  35 }
  36
  37 static inline void time_travel_set_timer(enum time_travel_timer_mode mode,
  38                                          unsigned long long expiry)
  39 {
  40         time_travel_timer_mode = mode;
  41         time_travel_timer_expiry = expiry;
  42 }
  43 #else
  44 #define time_travel_mode TT_MODE_OFF
  45 #define time_travel_time 0
  46 #define time_travel_timer_expiry 0
  47 #define time_travel_timer_interval 0
  48
  49 static inline void time_travel_set_time(unsigned long long ns)
  50 {
  51 }
  52
  53 static inline void time_travel_set_timer(enum time_travel_timer_mode mode,
  54                                          unsigned long long expiry)
  55 {
  56 }
  57
  58 #define time_travel_timer_mode TT_TMR_DISABLED
  59 #endif
  60
  61 #endif