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 * $FreeBSD$ 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 57