86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
|
/*
|
||
|
|
* include/linux/random.h
|
||
|
|
*
|
||
|
|
* Include file for the random number generator.
|
||
|
|
*/
|
||
|
|
#ifndef _LINUX_RANDOM_H
|
||
|
|
#define _LINUX_RANDOM_H
|
||
|
|
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/once.h>
|
||
|
|
|
||
|
|
#include <uapi/linux/random.h>
|
||
|
|
|
||
|
|
struct random_ready_callback {
|
||
|
|
struct list_head list;
|
||
|
|
void (*func)(struct random_ready_callback *rdy);
|
||
|
|
struct module *owner;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern void add_device_randomness(const void *, unsigned int);
|
||
|
|
|
||
|
|
#if defined(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) && !defined(__CHECKER__)
|
||
|
|
static inline void add_latent_entropy(void)
|
||
|
|
{
|
||
|
|
add_device_randomness((const void *)&latent_entropy,
|
||
|
|
sizeof(latent_entropy));
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
static inline void add_latent_entropy(void) {}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void add_input_randomness(unsigned int type, unsigned int code,
|
||
|
|
unsigned int value) __latent_entropy;
|
||
|
|
extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy;
|
||
|
|
|
||
|
|
extern void get_random_bytes(void *buf, int nbytes);
|
||
|
|
extern int add_random_ready_callback(struct random_ready_callback *rdy);
|
||
|
|
extern void del_random_ready_callback(struct random_ready_callback *rdy);
|
||
|
|
extern void get_random_bytes_arch(void *buf, int nbytes);
|
||
|
|
|
||
|
|
#ifndef MODULE
|
||
|
|
extern const struct file_operations random_fops, urandom_fops;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
unsigned int get_random_int(void);
|
||
|
|
unsigned long get_random_long(void);
|
||
|
|
unsigned long randomize_page(unsigned long start, unsigned long range);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is designed to be standalone for just prandom
|
||
|
|
* users, but for now we include it from <linux/random.h>
|
||
|
|
* for legacy reasons.
|
||
|
|
*/
|
||
|
|
#include <linux/prandom.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_ARCH_RANDOM
|
||
|
|
# include <asm/archrandom.h>
|
||
|
|
#else
|
||
|
|
static inline bool arch_get_random_long(unsigned long *v)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline bool arch_get_random_int(unsigned int *v)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline bool arch_has_random(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline bool arch_get_random_seed_long(unsigned long *v)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline bool arch_get_random_seed_int(unsigned int *v)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
static inline bool arch_has_random_seed(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _LINUX_RANDOM_H */
|