1 /*- 2 * Copyright (c) 2013-2015 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef SYS_DEV_RANDOM_FORTUNA_H_INCLUDED 28 #define SYS_DEV_RANDOM_FORTUNA_H_INCLUDED 29 30 /* Defined in FS&K */ 31 #define RANDOM_FORTUNA_NPOOLS 32 /* The number of accumulation pools */ 32 #define RANDOM_FORTUNA_DEFPOOLSIZE 64 /* The default pool size/length for a (re)seed */ 33 34 #ifdef _KERNEL 35 typedef struct mtx mtx_t; 36 #define RANDOM_RESEED_INIT_LOCK(x) mtx_init(&fortuna_state.fs_mtx, "reseed mutex", NULL, MTX_DEF) 37 #define RANDOM_RESEED_DEINIT_LOCK(x) mtx_destroy(&fortuna_state.fs_mtx) 38 #define RANDOM_RESEED_LOCK(x) mtx_lock(&fortuna_state.fs_mtx) 39 #define RANDOM_RESEED_UNLOCK(x) mtx_unlock(&fortuna_state.fs_mtx) 40 #define RANDOM_RESEED_ASSERT_LOCK_OWNED(x) mtx_assert(&fortuna_state.fs_mtx, MA_OWNED) 41 #define RANDOM_RESEED_ASSERT_LOCK_NOT_OWNED() mtx_assert(&fortuna_state.fs_mtx, MA_NOTOWNED) 42 #else 43 #define RANDOM_RESEED_INIT_LOCK(x) mtx_init(&fortuna_state.fs_mtx, mtx_plain) 44 #define RANDOM_RESEED_DEINIT_LOCK(x) mtx_destroy(&fortuna_state.fs_mtx) 45 #define RANDOM_RESEED_LOCK(x) mtx_lock(&fortuna_state.fs_mtx) 46 #define RANDOM_RESEED_UNLOCK(x) mtx_unlock(&fortuna_state.fs_mtx) 47 #define RANDOM_RESEED_ASSERT_LOCK_OWNED(x) 48 #define RANDOM_RESEED_ASSERT_LOCK_NOT_OWNED() 49 #endif 50 51 #endif /* SYS_DEV_RANDOM_FORTUNA_H_INCLUDED */ 52