include/sys/random.h

   1 #ifndef _SPL_RANDOM_H
   2 #define _SPL_RANDOM_H
   3
   4 #ifdef  __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <linux/module.h>
   9 #include <linux/random.h>
  10
  11 /* FIXME:
  12  * Should add support for blocking in the future to
  13  * ensure that proper entopy is collected.  ZFS doesn't
  14  * use it at the moment so this is good enough for now.
  15  * Always will succeed by returning 0.
  16  */
  17 static __inline__ int
  18 random_get_bytes(uint8_t *ptr, size_t len)
  19 {
  20         BUG_ON(len < 0);
  21         get_random_bytes((void *)ptr,(int)len);
  22         return 0;
  23 }
  24
  25  /* Always will succeed by returning 0. */
  26 static __inline__ int
  27 random_get_pseudo_bytes(uint8_t *ptr, size_t len)
  28 {
  29         BUG_ON(len < 0);
  30         get_random_bytes((void *)ptr,(int)len);
  31         return 0;
  32 }
  33
  34 #ifdef  __cplusplus
  35 }
  36 #endif
  37
  38 #endif  /* _SPL_RANDOM_H */