include/linux/ptp_kvm.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Virtual PTP 1588 clock for use with KVM guests
0004  *
0005  * Copyright (C) 2017 Red Hat Inc.
0006  */
0007
0008 #ifndef _PTP_KVM_H_
0009 #define _PTP_KVM_H_
0010
0011 #include <linux/types.h>
0012
0013 struct timespec64;
0014 struct clocksource;
0015
0016 int kvm_arch_ptp_init(void);
0017 int kvm_arch_ptp_get_clock(struct timespec64 *ts);
0018 int kvm_arch_ptp_get_crosststamp(u64 *cycle,
0019         struct timespec64 *tspec, struct clocksource **cs);
0020
0021 #endif /* _PTP_KVM_H_ */