1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_LINUX_RANDOM_H 7 #define _UAPI_LINUX_RANDOM_H 8 #include <linux/types.h> 9 #include <linux/ioctl.h> 10 #include <linux/irqnr.h> 11 #define RNDGETENTCNT _IOR( 'R', 0x00, int ) 12 #define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) 13 #define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) 14 #define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) 15 #define RNDZAPENTCNT _IO( 'R', 0x04 ) 16 #define RNDCLEARPOOL _IO( 'R', 0x06 ) 17 #define RNDRESEEDCRNG _IO( 'R', 0x07 ) 18 struct rand_pool_info { 19 int entropy_count; 20 int buf_size; 21 __u32 buf[0]; 22 }; 23 #define GRND_NONBLOCK 0x0001 24 #define GRND_RANDOM 0x0002 25 #endif 26