From 348fec78a63fc91b4d0bf2534d56b4f7cb7a27c1 Mon Sep 17 00:00:00 2001 From: Joe Maples Date: Sun, 28 Aug 2016 13:10:23 +0000 Subject: random: Backport driver from 4.1.31 Signed-off-by: Joe Maples --- include/uapi/linux/random.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'include/uapi') diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h index fff3528a0..db52f1c5e 100644 --- a/include/uapi/linux/random.h +++ b/include/uapi/linux/random.h @@ -22,7 +22,7 @@ /* 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.) */ @@ -40,4 +40,13 @@ struct rand_pool_info { __u32 buf[0]; }; +/* + * Flags for getrandom(2) + * + * GRND_NONBLOCK Don't block and return EAGAIN instead + * GRND_RANDOM Use the /dev/random pool instead of /dev/urandom + */ +#define GRND_NONBLOCK 0x0001 +#define GRND_RANDOM 0x0002 + #endif /* _UAPI_LINUX_RANDOM_H */ -- cgit v1.2.3