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/*-
* Copyright (c) 2000-2004 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.
*
* $FreeBSD: release/9.1.0/sys/dev/random/randomdev.h 153575 2005-12-20 21:41:52Z ps $
*/
/* This header contains only those definitions that are global
* and non algorithm-specific for the entropy processor
*/
typedef void random_init_func_t(void);
typedef void random_deinit_func_t(void);
typedef int random_block_func_t(int);
typedef int random_read_func_t(void *, int);
typedef void random_write_func_t(void *, int);
typedef int random_poll_func_t(int, struct thread *);
typedef void random_reseed_func_t(void);
struct random_systat {
struct selinfo rsel;
const char *ident;
int seeded;
random_init_func_t *init;
random_deinit_func_t *deinit;
random_block_func_t *block;
random_read_func_t *read;
random_write_func_t *write;
random_poll_func_t *poll;
random_reseed_func_t *reseed;
};
extern struct random_systat random_systat;
extern void random_ident_hardware(struct random_systat *);
extern void random_null_func(void);