diff options
Diffstat (limited to 'include/uapi/linux/random.h')
| -rw-r--r-- | include/uapi/linux/random.h | 50 | 
1 files changed, 50 insertions, 0 deletions
diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h new file mode 100644 index 00000000000..7471b5b3b8b --- /dev/null +++ b/include/uapi/linux/random.h @@ -0,0 +1,50 @@ +/* + * include/linux/random.h + * + * Include file for the random number generator. + */ + +#ifndef _UAPI_LINUX_RANDOM_H +#define _UAPI_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 ) + +/* 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 */ + + +#endif /* _UAPI_LINUX_RANDOM_H */  |