cpu_rng.h revision 1.1.18.2 1 1.1.18.2 jdolecek /* $NetBSD: cpu_rng.h,v 1.1.18.2 2017/12/03 11:36:50 jdolecek Exp $ */
2 1.1.18.2 jdolecek
3 1.1.18.2 jdolecek #ifndef _X86_CPU_RNG_H_
4 1.1.18.2 jdolecek #define _X86_CPU_RNG_H_
5 1.1.18.2 jdolecek
6 1.1.18.2 jdolecek /*-
7 1.1.18.2 jdolecek * Copyright (c) 2015 The NetBSD Foundation, Inc.
8 1.1.18.2 jdolecek * All rights reserved.
9 1.1.18.2 jdolecek *
10 1.1.18.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation
11 1.1.18.2 jdolecek * by Thor Lancelot Simon.
12 1.1.18.2 jdolecek *
13 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without
14 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions
15 1.1.18.2 jdolecek * are met:
16 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright
17 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer.
18 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright
19 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the
20 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution.
21 1.1.18.2 jdolecek *
22 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 1.1.18.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 1.1.18.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 1.1.18.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 1.1.18.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 1.1.18.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 1.1.18.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 1.1.18.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 1.1.18.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 1.1.18.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 1.1.18.2 jdolecek * POSSIBILITY OF SUCH DAMAGE.
33 1.1.18.2 jdolecek */
34 1.1.18.2 jdolecek
35 1.1.18.2 jdolecek #include <sys/types.h>
36 1.1.18.2 jdolecek
37 1.1.18.2 jdolecek typedef uint64_t cpu_rng_t;
38 1.1.18.2 jdolecek
39 1.1.18.2 jdolecek bool cpu_rng_init(void);
40 1.1.18.2 jdolecek size_t cpu_rng(cpu_rng_t *);
41 1.1.18.2 jdolecek
42 1.1.18.2 jdolecek #endif /* _X86_CPU_RNG_H_ */
43