1/*- 2 * Copyright (c) 2000 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 unchanged lines hidden (view full) --- 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 * $FreeBSD: head/sys/dev/random/randomdev.c 111815 2003-03-03 12:15:54Z phk $ |
27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/bus.h> 32#include <sys/conf.h> 33#include <sys/fcntl.h> 34#include <sys/filio.h> --- 22 unchanged lines hidden (view full) --- 57static d_write_t random_write; 58static d_ioctl_t random_ioctl; 59static d_poll_t random_poll; 60 61#define CDEV_MAJOR 2 62#define RANDOM_MINOR 3 63 64static struct cdevsw random_cdevsw = { |
65 .d_open = random_open, 66 .d_close = random_close, 67 .d_read = random_read, 68 .d_write = random_write, 69 .d_ioctl = random_ioctl, 70 .d_poll = random_poll, 71 .d_name = "random", 72 .d_maj = CDEV_MAJOR, |
73}; 74 75static void random_kthread(void *); 76static void random_harvest_internal(u_int64_t, void *, u_int, u_int, u_int, enum esource); 77static void random_write_internal(void *, int); 78 79/* Ring buffer holding harvested entropy */ 80static struct harvestring { --- 359 unchanged lines hidden --- |