1 files changed, 46 insertions, 0 deletions
diff --git a/include/system/cpu-timers.h b/include/system/cpu-timers.h
new file mode 100644
index 0000000..a1abed0
--- /dev/null
+++ b/include/system/cpu-timers.h
@@ -0,0 +1,46 @@
+/*
+ * 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 */