1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Virtual PTP 1588 clock for use with KVM guests
4  *
5  * Copyright (C) 2017 Red Hat Inc.
6  */
7 
8 #ifndef _PTP_KVM_H_
9 #define _PTP_KVM_H_
10 
11 struct timespec64;
12 struct clocksource;
13 
14 int kvm_arch_ptp_init(void);
15 int kvm_arch_ptp_get_clock(struct timespec64 *ts);
16 int kvm_arch_ptp_get_crosststamp(u64 *cycle,
17 		struct timespec64 *tspec, struct clocksource **cs);
18 
19 #endif /* _PTP_KVM_H_ */
20