*
* Include file for the random number generator.
*/
-
#ifndef _LINUX_RANDOM_H
#define _LINUX_RANDOM_H
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <linux/irqnr.h>
-
-/* ioctl()'s for the random number generator */
-
-/* Get the entropy count. */
-#define RNDGETENTCNT _IOR( 'R', 0x00, int )
-
-/* Add to (or subtract from) the entropy count. (Superuser only.) */
-#define RNDADDTOENTCNT _IOW( 'R', 0x01, int )
-
-/* Get the contents of the entropy pool. (Superuser only.) */
-#define RNDGETPOOL _IOR( 'R', 0x02, int [2] )
-
-/*
- * Write bytes into the entropy pool and add to the entropy count.
- * (Superuser only.)
- */
-#define RNDADDENTROPY _IOW( 'R', 0x03, int [2] )
-
-/* Clear entropy count to 0. (Superuser only.) */
-#define RNDZAPENTCNT _IO( 'R', 0x04 )
+#include <uapi/linux/random.h>
-/* Clear the entropy pool and associated counters. (Superuser only.) */
-#define RNDCLEARPOOL _IO( 'R', 0x06 )
-
-struct rand_pool_info {
- int entropy_count;
- int buf_size;
- __u32 buf[0];
-};
-
-struct rnd_state {
- __u32 s1, s2, s3;
-};
-
-/* Exported functions */
-
-#ifdef __KERNEL__
extern void add_device_randomness(const void *, unsigned int);
extern void add_input_randomness(unsigned int type, unsigned int code,
unsigned int get_random_int(void);
unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len);
-u32 random32(void);
-void srandom32(u32 seed);
+u32 prandom_u32(void);
+void prandom_seed(u32 seed);
-u32 prandom32(struct rnd_state *);
+/*
+ * These macros are preserved for backward compatibility and should be
+ * removed as soon as a transition is finished.
+ */
+#define random32() prandom_u32()
+#define srandom32(seed) prandom_seed(seed)
+
+u32 prandom_u32_state(struct rnd_state *);
/*
* Handle minimum values for seeds
}
/**
- * prandom32_seed - set seed for prandom32().
+ * prandom_seed_state - set seed for prandom_u32_state().
* @state: pointer to state structure to receive the seed.
* @seed: arbitrary 64-bit value to use as a seed.
*/
-static inline void prandom32_seed(struct rnd_state *state, u64 seed)
+static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
{
u32 i = (seed >> 32) ^ (seed << 10) ^ seed;
}
#endif
-#endif /* __KERNEL___ */
-
#endif /* _LINUX_RANDOM_H */