/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_RANDOM_H #define _SYS_RANDOM_H #include <sys/types.h> #include <sys/atomic.h> #ifdef __cplusplus extern "C" { #endif /* stats for the random number devices, /dev/random and /dev/urandom. */ typedef struct rnd_stats { uint64_t rs_rndOut; /* Bytes generated for /dev/random */ uint64_t rs_rndcOut; /* Bytes read from /dev/random cache */ uint64_t rs_urndOut; /* Bytes generated for /dev/urandom */ } rnd_stats_t; /* stats for the kernel random number provider, swrand. */ typedef struct swrand_stats { uint32_t ss_entEst; /* Entropy estimate in bits */ uint64_t ss_entIn; /* Entropy bits added to pool */ uint64_t ss_entOut; /* Entropy bits extracted from pool */ uint64_t ss_bytesIn; /* Total data bytes added to pool */ uint64_t ss_bytesOut; /* Total data bytes extracted from */ /* the pool */ } swrand_stats_t; #ifdef _KERNEL #define BUMP_CPU_RND_STATS(rm, x, v) (((rm)->rm_mag.rm_stats).x += (v)) #define BUMP_RND_STATS(x, v) atomic_add_64(&(rnd_stats).x, (v)) #define BUMP_SWRAND_STATS(x, v) atomic_add_64(&(swrand_stats).x, (v)) extern int random_add_entropy(uint8_t *, size_t, uint_t); extern int random_get_bytes(uint8_t *, size_t); extern int random_get_pseudo_bytes(uint8_t *, size_t); #endif /* _KERNEL */ #ifdef __cplusplus } #endif #endif /* _SYS_RANDOM_H */