--- /dev/null
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_TIME_H
+#define __VMM_TIME_H
+
+#ifdef __V3VEE__
+
+#include <palacios/vmm_types.h>
+#include <palacios/vmm_list.h>
+
+struct guest_info;
+
+struct vm_time {
+ uint32_t cpu_freq; // in kHZ
+
+ // Total number of guest run time cycles
+ ullong_t guest_tsc;
+
+ // Cache value to help calculate the guest_tsc
+ ullong_t cached_host_tsc;
+
+ // The number of cycles pending for notification to the timers
+ //ullong_t pending_cycles;
+
+ // Installed Timers
+ uint_t num_timers;
+ struct list_head timers;
+};
+
+
+
+
+struct vm_timer_ops {
+ void (*update_time)(ullong_t cpu_cycles, ullong_t cpu_freq, void * priv_data);
+
+};
+
+struct vm_timer {
+ void * private_data;
+ struct vm_timer_ops * ops;
+
+ struct list_head timer_link;
+};
+
+
+
+
+int v3_add_timer(struct guest_info * info, struct vm_timer_ops * ops, void * private_data);
+int v3_remove_timer(struct guest_info * info, struct vm_timer * timer);
+
+
+void v3_update_time(struct guest_info * info, ullong_t cycles);
+
+
+void v3_init_time(struct guest_info * info);
+
+#endif // !__V3VEE__
+
+#endif
