include/shared/timer-internal.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2012 - 2014 Cisco Systems
   4  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   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
  47 static inline void time_travel_set_timer_interval(unsigned long long interval)
  48 {
  49         time_travel_timer_interval = interval;
  50 }
  51 #else
  52 #define time_travel_mode TT_MODE_OFF
  53 #define time_travel_time 0
  54 #define time_travel_timer_expiry 0
  55 #define time_travel_timer_interval 0
  56
  57 static inline void time_travel_set_time(unsigned long long ns)
  58 {
  59 }
  60
  61 static inline void time_travel_set_timer_mode(enum time_travel_timer_mode mode)
  62 {
  63 }
  64
  65 static inline void time_travel_set_timer_expiry(unsigned long long expiry)
  66 {
  67 }
  68
  69 static inline void time_travel_set_timer_interval(unsigned long long interval)
  70 {
  71 }
  72
  73 #define time_travel_timer_mode TT_TMR_DISABLED
  74 #endif
  75
  76 #endif