162064Smarkm/*- 2255362Smarkm * Copyright (c) 2000-2013 Mark R. V. Murray 362064Smarkm * All rights reserved. 411875Smarkm * 511875Smarkm * Redistribution and use in source and binary forms, with or without 611875Smarkm * modification, are permitted provided that the following conditions 711875Smarkm * are met: 811875Smarkm * 1. Redistributions of source code must retain the above copyright 962064Smarkm * notice, this list of conditions and the following disclaimer 1062064Smarkm * in this position and unchanged. 1111875Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1211875Smarkm * notice, this list of conditions and the following disclaimer in the 1311875Smarkm * documentation and/or other materials provided with the distribution. 1411875Smarkm * 1562064Smarkm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1662064Smarkm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1762064Smarkm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1862064Smarkm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1962064Smarkm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2062064Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2162064Smarkm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2262064Smarkm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2362064Smarkm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2462064Smarkm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2562064Smarkm * 2662064Smarkm * $FreeBSD$ 2711875Smarkm */ 2811875Smarkm 2959772Sbde#ifndef _SYS_RANDOM_H_ 3059772Sbde#define _SYS_RANDOM_H_ 3111875Smarkm 3262766Smarkm#ifdef _KERNEL 3362766Smarkm 3491600Smarkmint read_random(void *, int); 3565753Sjhb 36136433Srwatson/* 37136433Srwatson * Note: if you add or remove members of esource, remember to also update the 38136433Srwatson * KASSERT regarding what valid members are in random_harvest_internal(). 39136433Srwatson */ 4091600Smarkmenum esource { 4191600Smarkm RANDOM_START = 0, 42256381Smarkm RANDOM_CACHED = 0, 43256381Smarkm RANDOM_ATTACH, 4491600Smarkm RANDOM_KEYBOARD, 4591600Smarkm RANDOM_MOUSE, 46255362Smarkm RANDOM_NET_TUN, 47255362Smarkm RANDOM_NET_ETHER, 48255362Smarkm RANDOM_NET_NG, 4991600Smarkm RANDOM_INTERRUPT, 50255362Smarkm RANDOM_SWI, 51256381Smarkm RANDOM_PURE_OCTEON, 52256381Smarkm RANDOM_PURE_SAFE, 53256381Smarkm RANDOM_PURE_GLXSB, 54256381Smarkm RANDOM_PURE_UBSEC, 55256381Smarkm RANDOM_PURE_HIFN, 56256381Smarkm RANDOM_PURE_RDRAND, 57256381Smarkm RANDOM_PURE_NEHEMIAH, 58256381Smarkm RANDOM_PURE_RNDTEST, 59268933Sjhb RANDOM_PURE_VIRTIO, 6091600Smarkm ENTROPYSOURCE 6191600Smarkm}; 62256381Smarkmvoid random_harvest(void *, u_int, u_int, enum esource); 6362766Smarkm 6472667Smarkm/* Allow the sysadmin to select the broad category of 6572667Smarkm * entropy types to harvest 6672667Smarkm */ 6772667Smarkmstruct harvest_select { 6872667Smarkm int ethernet; 6972667Smarkm int point_to_point; 7072667Smarkm int interrupt; 7191601Smarkm int swi; 72255362Smarkm int namei; 7372667Smarkm}; 7472667Smarkm 7572667Smarkmextern struct harvest_select harvest; 7672667Smarkm 7791601Smarkm#endif /* _KERNEL */ 7862766Smarkm 7962064Smarkm#endif /* _SYS_RANDOM_H_ */ 80