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 60