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_mode(enum time_travel_timer_mode mode)
  38 {
  39         time_travel_timer_mode = mode;
  40 }
  41
  42 static inline void time_travel_set_timer_expiry(unsigned long long expiry)
  43 {
  44         time_travel_timer_expiry = expiry;
  45 }
  46 #else
  47 #define time_travel_mode TT_MODE_OFF
  48 #define time_travel_time 0
  49 #define time_travel_timer_expiry 0
  50 #define time_travel_timer_interval 0
  51
  52 static inline void time_travel_set_time(unsigned long long ns)
  53 {
  54 }
  55
  56 static inline void time_travel_set_timer_mode(enum time_travel_timer_mode mode)
  57 {
  58 }
  59
  60 static inline void time_travel_set_timer_expiry(unsigned long long expiry)
  61 {
  62 }
  63
  64 #define time_travel_timer_mode TT_TMR_DISABLED
  65 #endif
  66
  67 #endif