1 /** $MirOS: src/sys/dev/rndioctl.h,v 1.4 2010/09/24 21:37:34 tg Exp $ */ 2 /* $OpenBSD: rndioctl.h,v 1.10 2003/06/02 19:24:22 mickey Exp $ */ 3 4 /* 5 * Copyright (c) 1996,2000 Michael Shalayeff. 6 * 7 * This software derived from one contributed by Theodore Ts'o. 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 REGENTS 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 REGENTS 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 32 33 #ifndef __RNDIOCTL_H__ 34 #define __RNDIOCTL_H__ 35 36 /* ioctl()s for the random number generator */ 37 38 struct rnd_pool_info { 39 size_t entropy_count; 40 size_t buf_size; 41 u_int32_t *buf; 42 }; 43 44 struct rnd_add_randomness { 45 u_int32_t buf[16]; 46 int source; /* RND_SRC_* or 0 to just add w/o stats */ 47 unsigned char count; /* 1..16 */ 48 }; 49 50 #define RNDGETENTCNT _IOR('R', 0, u_int) 51 #define RNDADDTOENTCNT _IOW('R', 1, u_int) 52 #define RNDGETPOOL _IOWR('R', 2, struct rnd_pool_info) 53 #define RNDADDENTROPY _IOW('R', 3, u_int) 54 #define RNDZAPENTCNT _IO( 'R', 4) 55 #define RNDSTIRARC4 _IO( 'R', 5) 56 #define RNDCLRSTATS _IO( 'R', 6) 57 #define RNDADDRNDNESS _IOW('R', 8, struct rnd_add_randomness) 58 59 #endif /* __RNDIOCTL_H__ */ 60