/* * CPU timers state API * * Copyright 2020 SUSE LLC * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. * */ #ifndef SYSTEM_CPU_TIMERS_H #define SYSTEM_CPU_TIMERS_H #include "qemu/timer.h" /* init the whole cpu timers API, including icount, ticks, and cpu_throttle */ void cpu_timers_init(void); /* * CPU Ticks and Clock */ /* Caller must hold BQL */ void cpu_enable_ticks(void); /* Caller must hold BQL */ void cpu_disable_ticks(void); /* * return the time elapsed in VM between vm_start and vm_stop. * cpu_get_ticks() uses units of the host CPU cycle counter. */ int64_t cpu_get_ticks(void); /* * Returns the monotonic time elapsed in VM, i.e., * the time between vm_start and vm_stop */ int64_t cpu_get_clock(void); void qemu_timer_notify_cb(void *opaque, QEMUClockType type); /* get/set VIRTUAL clock and VM elapsed ticks via the cpus accel interface */ int64_t cpus_get_virtual_clock(void); void cpus_set_virtual_clock(int64_t new_time); int64_t cpus_get_elapsed_ticks(void); #endif /* SYSTEM_CPU_TIMERS_H */