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/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2019,2020 The FreeBSD Foundation * * Portions of this software were developed by Konstantin Belousov * under sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _X86_PROCCTL_H #define _X86_PROCCTL_H #define PROC_KPTI_CTL (PROC_PROCCTL_MD_MIN + 0) #define PROC_KPTI_STATUS (PROC_PROCCTL_MD_MIN + 1) #define PROC_LA_CTL (PROC_PROCCTL_MD_MIN + 2) #define PROC_LA_STATUS (PROC_PROCCTL_MD_MIN + 3) #define PROC_KPTI_CTL_ENABLE_ON_EXEC 1 #define PROC_KPTI_CTL_DISABLE_ON_EXEC 2 #define PROC_KPTI_STATUS_ACTIVE 0x80000000 #define PROC_LA_CTL_LA48_ON_EXEC 1 #define PROC_LA_CTL_LA57_ON_EXEC 2 #define PROC_LA_CTL_DEFAULT_ON_EXEC 3 #define PROC_LA_STATUS_LA48 0x01000000 #define PROC_LA_STATUS_LA57 0x02000000 #endif