LCOM1920-T02G10

/*        $NetBSD: rnd.h,v 1.49 2015/04/14 12:51:30 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 _SYS_RND_H_

#define        _SYS_RND_H_

#ifdef _KERNEL

#include <sys/types.h>

struct file;

#define        RND_DEV_RANDOM        0        /* minor for blocking until unpredictable */

#define        RND_DEV_URANDOM        1        /* minor for randomly generating data */

void                rnd_init(void);

void                rnd_init_softint(void);

void                rnd_seed(void *, size_t);

int                rnd_system_ioctl(struct file *, u_long, void *);

extern int        rnd_initial_entropy;

#endif /* _KERNEL */

#endif /* !_SYS_RND_H_ */