/* $NetBSD: rnd_private.h,v 1.11 2015/04/14 13:14:20 riastradh Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Michael Graff <explorer@flame.org>. This code uses ideas and * algorithms from the Linux driver written by Ted Ts'o. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _DEV_RNDPRIVATE_H #define _DEV_RNDPRIVATE_H #include <sys/types.h> #include <sys/mutex.h> #include <sys/queue.h> #include <sys/rndio.h> #include <sys/rndpool.h> #include <sys/rndsource.h> /* * Number of bytes returned per hash. This value is used in both * rnd.c and rndpool.c to decide when enough entropy exists to do a * hash to extract it. */ #define RND_ENTROPY_THRESHOLD 10 bool rnd_extract(void *, size_t); bool rnd_tryextract(void *, size_t); void rnd_getmore(size_t); /* * Flag indicating rnd_init has run. */ extern int rnd_ready; /* * Debugging flags. */ #ifdef RND_DEBUG extern int rnd_debug; #define RND_DEBUG_WRITE 0x0001 #define RND_DEBUG_READ 0x0002 #define RND_DEBUG_IOCTL 0x0004 #define RND_DEBUG_SNOOZE 0x0008 #endif #endif /* _DEV_RNDPRIVATE_H */ |