| 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_ */ |
| 23 |