1*a8cf291bSJianyong Wu /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*a8cf291bSJianyong Wu /* 3*a8cf291bSJianyong Wu * Virtual PTP 1588 clock for use with KVM guests 4*a8cf291bSJianyong Wu * 5*a8cf291bSJianyong Wu * Copyright (C) 2017 Red Hat Inc. 6*a8cf291bSJianyong Wu */ 7*a8cf291bSJianyong Wu 8*a8cf291bSJianyong Wu #ifndef _PTP_KVM_H_ 9*a8cf291bSJianyong Wu #define _PTP_KVM_H_ 10*a8cf291bSJianyong Wu 11*a8cf291bSJianyong Wu struct timespec64; 12*a8cf291bSJianyong Wu struct clocksource; 13*a8cf291bSJianyong Wu 14*a8cf291bSJianyong Wu int kvm_arch_ptp_init(void); 15*a8cf291bSJianyong Wu int kvm_arch_ptp_get_clock(struct timespec64 *ts); 16*a8cf291bSJianyong Wu int kvm_arch_ptp_get_crosststamp(u64 *cycle, 17*a8cf291bSJianyong Wu struct timespec64 *tspec, struct clocksource **cs); 18*a8cf291bSJianyong Wu 19*a8cf291bSJianyong Wu #endif /* _PTP_KVM_H_ */ 20