freebsd-dev/sys/dev/random/randomdev.h
Mark Murray 55636152d5 Attempts to make this device Giant-free were ill-conceived as
uiomove(9) is not properly locked. So, return to NEEDGIANT
mode. Later, when uiomove is finely locked, I'll revisit.

While I'm here, provide some temporary debugging output to
help catch blocking startups.
2004-04-16 17:10:54 +00:00

54 lines
2.0 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
/* 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_read_func_t(void *, int);
typedef void random_write_func_t(void *, int);
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_read_func_t *read;
random_write_func_t *write;
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);