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/*-
* Copyright (c) 2015 Mark R V Murray
* All rights reserved.
*
* 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
* in this position and unchanged.
* 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 AUTHOR ``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 AUTHOR 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.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/random.h>
#include <sys/systm.h>
#include <dev/random/randomdev.h>
#include "opt_random.h"
#if defined(RANDOM_DUMMY) || defined(RANDOM_YARROW)
#error "Cannot define any of RANDOM_DUMMY and RANDOM_YARROW without 'device random'"
#endif
/*-
* Dummy "not even here" device. Stub out all routines that the kernel would need.
*/
/* ARGSUSED */
u_int
read_random(void *random_buf __unused, u_int len __unused)
{
return (0);
}
/* ARGSUSED */
void
random_harvest_direct(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
{
}
/* ARGSUSED */
void
random_harvest_queue(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
{
}
/* ARGSUSED */
void
random_harvest_fast(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
{
}
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