1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_RANDOM_H 28*0Sstevel@tonic-gate #define _SYS_RANDOM_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <sys/atomic.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #ifdef __cplusplus 36*0Sstevel@tonic-gate extern "C" { 37*0Sstevel@tonic-gate #endif 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate /* stats for the random number devices, /dev/random and /dev/urandom. */ 40*0Sstevel@tonic-gate typedef struct rnd_stats { 41*0Sstevel@tonic-gate uint64_t rs_rndOut; /* Bytes generated for /dev/random */ 42*0Sstevel@tonic-gate uint64_t rs_rndcOut; /* Bytes read from /dev/random cache */ 43*0Sstevel@tonic-gate uint64_t rs_urndOut; /* Bytes generated for /dev/urandom */ 44*0Sstevel@tonic-gate } rnd_stats_t; 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate /* stats for the kernel random number provider, swrand. */ 47*0Sstevel@tonic-gate typedef struct swrand_stats { 48*0Sstevel@tonic-gate uint32_t ss_entEst; /* Entropy estimate in bits */ 49*0Sstevel@tonic-gate uint64_t ss_entIn; /* Entropy bits added to pool */ 50*0Sstevel@tonic-gate uint64_t ss_entOut; /* Entropy bits extracted from pool */ 51*0Sstevel@tonic-gate uint64_t ss_bytesIn; /* Total data bytes added to pool */ 52*0Sstevel@tonic-gate uint64_t ss_bytesOut; /* Total data bytes extracted from */ 53*0Sstevel@tonic-gate /* the pool */ 54*0Sstevel@tonic-gate } swrand_stats_t; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #ifdef _KERNEL 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #define BUMP_CPU_RND_STATS(rm, x, v) (((rm)->rm_stats).x += (v)) 59*0Sstevel@tonic-gate #define BUMP_RND_STATS(x, v) atomic_add_64(&(rnd_stats).x, (v)) 60*0Sstevel@tonic-gate #define BUMP_SWRAND_STATS(x, v) atomic_add_64(&(swrand_stats).x, (v)) 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate extern int random_add_entropy(uint8_t *, size_t, uint16_t); 63*0Sstevel@tonic-gate extern int random_get_bytes(uint8_t *, size_t); 64*0Sstevel@tonic-gate extern int random_get_pseudo_bytes(uint8_t *, size_t); 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate #endif /* _KERNEL */ 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #ifdef __cplusplus 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate #endif 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate #endif /* _SYS_RANDOM_H */ 73