1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2019,2020 The FreeBSD Foundation
 5 *
 6 * Portions of this software were developed by Konstantin Belousov
 7 * under sponsorship from the FreeBSD Foundation.
 8 *
 9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef _X86_PROCCTL_H
32#define	_X86_PROCCTL_H
33
34#define	PROC_KPTI_CTL		(PROC_PROCCTL_MD_MIN + 0)
35#define	PROC_KPTI_STATUS	(PROC_PROCCTL_MD_MIN + 1)
36#define	PROC_LA_CTL		(PROC_PROCCTL_MD_MIN + 2)
37#define	PROC_LA_STATUS		(PROC_PROCCTL_MD_MIN + 3)
38
39#define	PROC_KPTI_CTL_ENABLE_ON_EXEC	1
40#define	PROC_KPTI_CTL_DISABLE_ON_EXEC	2
41#define	PROC_KPTI_STATUS_ACTIVE		0x80000000
42
43#define	PROC_LA_CTL_LA48_ON_EXEC	1
44#define	PROC_LA_CTL_LA57_ON_EXEC	2
45#define	PROC_LA_CTL_DEFAULT_ON_EXEC	3
46
47#define	PROC_LA_STATUS_LA48		0x01000000
48#define	PROC_LA_STATUS_LA57		0x02000000
49
50#endif