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- /*
- * include/linux/random.h
- *
- * Include file for the random number generator.
- */
-
- #ifndef _LINUX_RANDOM_H
- #define _LINUX_RANDOM_H
-
- #include <linux/ioctl.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];
- };
-
- /* Exported functions */
-
-
- #endif /* _LINUX_RANDOM_H */
-