/*
 * Copyright (c) 2015, 2016 Jonas 'Sortie' Termansen.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * sortix/kernel/random.h
 * Kernel entropy gathering.
 */

#ifndef _INCLUDE_SORTIX_KERNEL_RANDOM_H
#define _INCLUDE_SORTIX_KERNEL_RANDOM_H

#include <stddef.h>

typedef struct multiboot_info multiboot_info_t;

namespace Sortix {
namespace Random {

void Init(multiboot_info_t* bootinfo);
bool HasEntropy(size_t amount);
void GetEntropy(void* buffer, size_t size);
int GetFallbackStatus();

} // namespace Random
} // namespace Sortix

#endif
