include/linux/hw_random.h

/*
	Hardware Random Number Generator

	Please read Documentation/hw_random.txt for details on use.

	----------------------------------------------------------
	This software may be used and distributed according to the terms
        of the GNU General Public License, incorporated herein by reference.

 */

#ifndef LINUX_HWRANDOM_H_
#define LINUX_HWRANDOM_H_

#include <linux/types.h>
#include <linux/list.h>

struct hwrng {
	const char *name;
	int (*init)(struct hwrng *rng);
	void (*cleanup)(struct hwrng *rng);
	int (*data_present)(struct hwrng *rng, int wait);
	int (*data_read)(struct hwrng *rng, u32 *data);
	int (*read)(struct hwrng *rng, void *data, size_t max, bool wait);
	unsigned long priv;

	
	struct list_head list;
};

extern int hwrng_register(struct hwrng *rng);
extern void hwrng_unregister(struct hwrng *rng);

#endif