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 000000000000..7471b5b3b8ba --- /dev/null +++ b/include/uapi/linux/random.h | |||
@@ -0,0 +1,50 @@ | |||
1 | /* | ||
2 | * include/linux/random.h | ||
3 | * | ||
4 | * Include file for the random number generator. | ||
5 | */ | ||
6 | |||
7 | #ifndef _UAPI_LINUX_RANDOM_H | ||
8 | #define _UAPI_LINUX_RANDOM_H | ||
9 | |||
10 | #include <linux/types.h> | ||
11 | #include <linux/ioctl.h> | ||
12 | #include <linux/irqnr.h> | ||
13 | |||
14 | /* ioctl()'s for the random number generator */ | ||
15 | |||
16 | /* Get the entropy count. */ | ||
17 | #define RNDGETENTCNT _IOR( 'R', 0x00, int ) | ||
18 | |||
19 | /* Add to (or subtract from) the entropy count. (Superuser only.) */ | ||
20 | #define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) | ||
21 | |||
22 | /* Get the contents of the entropy pool. (Superuser only.) */ | ||
23 | #define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) | ||
24 | |||
25 | /* | ||
26 | * Write bytes into the entropy pool and add to the entropy count. | ||
27 | * (Superuser only.) | ||
28 | */ | ||
29 | #define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) | ||
30 | |||
31 | /* Clear entropy count to 0. (Superuser only.) */ | ||
32 | #define RNDZAPENTCNT _IO( 'R', 0x04 ) | ||
33 | |||
34 | /* Clear the entropy pool and associated counters. (Superuser only.) */ | ||
35 | #define RNDCLEARPOOL _IO( 'R', 0x06 ) | ||
36 | |||
37 | struct rand_pool_info { | ||
38 | int entropy_count; | ||
39 | int buf_size; | ||
40 | __u32 buf[0]; | ||
41 | }; | ||
42 | |||
43 | struct rnd_state { | ||
44 | __u32 s1, s2, s3; | ||
45 | }; | ||
46 | |||
47 | /* Exported functions */ | ||
48 | |||
49 | |||
50 | #endif /* _UAPI_LINUX_RANDOM_H */ | ||