include/linux/ptp_kvm.h

   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 #include <linux/clocksource_ids.h>
  12 #include <linux/types.h>
  13
  14 struct timespec64;
  15
  16 int kvm_arch_ptp_init(void);
  17 void kvm_arch_ptp_exit(void);
  18 int kvm_arch_ptp_get_clock(struct timespec64 *ts);
  19 int kvm_arch_ptp_get_crosststamp(u64 *cycle,
  20                 struct timespec64 *tspec, enum clocksource_ids *cs_id);
  21
  22 #endif /* _PTP_KVM_H_ */