FreeBSD/Linux Kernel Cross Reference
sys/x86/include/vdso.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
32 */
33
34 #ifndef _X86_VDSO_H
35 #define _X86_VDSO_H
36
37 #define VDSO_TIMEHANDS_MD \
38 uint32_t th_x86_shift; \
39 uint32_t th_x86_hpet_idx; \
40 uint64_t th_x86_pvc_last_systime;\
41 uint8_t th_x86_pvc_stable_mask; \
42 uint8_t th_res[15];
43
44 #define VDSO_TH_ALGO_X86_TSC VDSO_TH_ALGO_1
45 #define VDSO_TH_ALGO_X86_HPET VDSO_TH_ALGO_2
46 #define VDSO_TH_ALGO_X86_HVTSC VDSO_TH_ALGO_3 /* Hyper-V ref. TSC */
47 #define VDSO_TH_ALGO_X86_PVCLK VDSO_TH_ALGO_4 /* KVM/XEN paravirtual clock */
48
49 #ifdef _KERNEL
50 #ifdef COMPAT_FREEBSD32
51
52 #define VDSO_TIMEHANDS_MD32 VDSO_TIMEHANDS_MD
53
54 #endif
55 #endif
56 #endif
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