1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright 2012 Konstantin Belousov <kib@FreeBSD.ORG>.
 5 * Copyright 2016 The FreeBSD Foundation.
 6 * All rights reserved.
 7 *
 8 * Portions of this software were developed by Konstantin Belousov
 9 * under sponsorship from the FreeBSD Foundation.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _X86_VDSO_H
33#define	_X86_VDSO_H
34
35#define	VDSO_TIMEHANDS_MD			\
36	uint32_t	th_x86_shift;		\
37	uint32_t	th_x86_hpet_idx;	\
38	uint64_t	th_x86_pvc_last_systime;\
39	uint8_t		th_x86_pvc_stable_mask;	\
40	uint8_t		th_res[15];
41
42#define	VDSO_TH_ALGO_X86_TSC	VDSO_TH_ALGO_1
43#define	VDSO_TH_ALGO_X86_HPET	VDSO_TH_ALGO_2
44#define	VDSO_TH_ALGO_X86_HVTSC	VDSO_TH_ALGO_3	/* Hyper-V ref. TSC */
45#define	VDSO_TH_ALGO_X86_PVCLK	VDSO_TH_ALGO_4	/* KVM/XEN paravirtual clock */
46
47#ifdef _KERNEL
48#ifdef COMPAT_FREEBSD32
49
50#define	VDSO_TIMEHANDS_MD32			\
51	uint32_t	th_x86_shift;		\
52	uint32_t	th_x86_hpet_idx;	\
53	uint32_t	th_x86_pvc_last_systime[2];\
54	uint8_t		th_x86_pvc_stable_mask;	\
55	uint8_t		th_res[15];
56
57#endif
58#endif
59#endif