1/*-
2 * Copyright (c) 2013 Arthur Mesh <arthurmesh@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/dev/random/random_adaptors.h 256381 2013-10-12 15:31:36Z markm $
27 */
28
29#ifndef SYS_DEV_RANDOM_RANDOM_ADAPTORS_H_INCLUDED
30#define SYS_DEV_RANDOM_RANDOM_ADAPTORS_H_INCLUDED
31
32#include <sys/eventhandler.h>
33
34MALLOC_DECLARE(M_ENTROPY);
35
36struct random_adaptors {
37 LIST_ENTRY(random_adaptors) entries; /* list of providers */
38 const char *name; /* name of random adaptor */
39 struct random_adaptor *rsp;
40};
41
42struct random_adaptor *random_adaptor_get(const char *);
43int random_adaptor_register(const char *, struct random_adaptor *);

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63typedef void (*random_adaptor_attach_hook)(void *, struct random_adaptor *);
64EVENTHANDLER_DECLARE(random_adaptor_attach, random_adaptor_attach_hook);
65
66/* kern.random sysctls */
67#ifdef SYSCTL_DECL /* from sysctl.h */
68SYSCTL_DECL(_kern_random);
69#endif /* SYSCTL_DECL */
70
71#endif /* SYS_DEV_RANDOM_RANDOM_ADAPTORS_H_INCLUDED */