1 /* $OpenBSD: rndioctl.h,v 1.10 2003/06/02 19:24:22 mickey Exp $ */
2
3 /*
4 * Copyright (c) 1996,2000 Michael Shalayeff.
5 *
6 * This software derived from one contributed by Theodore Ts'o.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31
32 #ifndef __RNDIOCTL_H__
33 #define __RNDIOCTL_H__
34
35 /* ioctl()'s for the random number generator */
36
37 struct rnd_pool_info {
38 size_t entropy_count;
39 size_t buf_size;
40 u_int32_t *buf;
41 };
42
43 #define RNDGETENTCNT _IOR('R', 0, u_int)
44 #define RNDADDTOENTCNT _IOW('R', 1, u_int)
45 #define RNDGETPOOL _IOWR('R', 2, struct rnd_pool_info)
46 #define RNDADDENTROPY _IOW('R', 3, u_int)
47 #define RNDZAPENTCNT _IO( 'R', 4)
48 #define RNDSTIRARC4 _IO( 'R', 5)
49 #define RNDCLRSTATS _IO( 'R', 6)
50
51
52 #endif /* __RNDIOCTL_H__ */