| * Include file for the random number generator. |
| #ifndef _UAPI_LINUX_RANDOM_H |
| #define _UAPI_LINUX_RANDOM_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. |
| #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 ) |
| #endif /* _UAPI_LINUX_RANDOM_H */ |