randomdev.h revision 254147
174072Smarkm/*- 2128059Smarkm * Copyright (c) 2000-2004 Mark R V Murray 374072Smarkm * All rights reserved. 474072Smarkm * 574072Smarkm * Redistribution and use in source and binary forms, with or without 674072Smarkm * modification, are permitted provided that the following conditions 774072Smarkm * are met: 874072Smarkm * 1. Redistributions of source code must retain the above copyright 974072Smarkm * notice, this list of conditions and the following disclaimer 1074072Smarkm * in this position and unchanged. 1174072Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1274072Smarkm * notice, this list of conditions and the following disclaimer in the 1374072Smarkm * documentation and/or other materials provided with the distribution. 1474072Smarkm * 1574072Smarkm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1674072Smarkm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1774072Smarkm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1874072Smarkm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1974072Smarkm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2074072Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2174072Smarkm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2274072Smarkm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2374072Smarkm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2474072Smarkm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2574072Smarkm * 2674072Smarkm * $FreeBSD: head/sys/dev/random/randomdev.h 254147 2013-08-09 15:31:50Z obrien $ 2774072Smarkm */ 2874072Smarkm 2974072Smarkm/* This header contains only those definitions that are global 3074072Smarkm * and non algorithm-specific for the entropy processor 3174072Smarkm */ 3274072Smarkm 33128059Smarkmtypedef void random_init_func_t(void); 34128059Smarkmtypedef void random_deinit_func_t(void); 35153575Spstypedef int random_block_func_t(int); 36128059Smarkmtypedef int random_read_func_t(void *, int); 37128059Smarkmtypedef void random_write_func_t(void *, int); 38153575Spstypedef int random_poll_func_t(int, struct thread *); 39128059Smarkmtypedef void random_reseed_func_t(void); 4074072Smarkm 41254147Sobrienstruct random_adaptor { 42128059Smarkm struct selinfo rsel; 43128059Smarkm const char *ident; 44128059Smarkm int seeded; 45128059Smarkm random_init_func_t *init; 46128059Smarkm random_deinit_func_t *deinit; 47153575Sps random_block_func_t *block; 48128059Smarkm random_read_func_t *read; 49128059Smarkm random_write_func_t *write; 50153575Sps random_poll_func_t *poll; 51128059Smarkm random_reseed_func_t *reseed; 5274072Smarkm}; 5374072Smarkm 54254147Sobrienextern void random_ident_hardware(struct random_adaptor **); 55128059Smarkmextern void random_null_func(void); 56