mm: Don't pin ZERO_PAGE in pin_user_pages()
[linux-block.git] / include / linux / ptp_kvm.h
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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
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11#include <linux/types.h>
12
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13struct timespec64;
14struct clocksource;
15
16int kvm_arch_ptp_init(void);
6365ba64 17void kvm_arch_ptp_exit(void);
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18int kvm_arch_ptp_get_clock(struct timespec64 *ts);
19int kvm_arch_ptp_get_crosststamp(u64 *cycle,
20 struct timespec64 *tspec, struct clocksource **cs);
21
22#endif /* _PTP_KVM_H_ */