summaryrefslogtreecommitdiffstats
path: root/include/linux/random.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/random.h')
-rw-r--r--include/linux/random.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/random.h b/include/linux/random.h
index 6330ed47b38b..d9846088c2c5 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -25,10 +25,19 @@ extern const struct file_operations random_fops, urandom_fops;
unsigned int get_random_int(void);
unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len);
-u32 random32(void);
-void srandom32(u32 seed);
+u32 prandom_u32(void);
+void prandom_bytes(void *buf, int nbytes);
+void prandom_seed(u32 seed);
-u32 prandom32(struct rnd_state *);
+/*
+ * These macros are preserved for backward compatibility and should be
+ * removed as soon as a transition is finished.
+ */
+#define random32() prandom_u32()
+#define srandom32(seed) prandom_seed(seed)
+
+u32 prandom_u32_state(struct rnd_state *);
+void prandom_bytes_state(struct rnd_state *state, void *buf, int nbytes);
/*
* Handle minimum values for seeds
@@ -39,11 +48,11 @@ static inline u32 __seed(u32 x, u32 m)
}
/**
- * prandom32_seed - set seed for prandom32().
+ * prandom_seed_state - set seed for prandom_u32_state().
* @state: pointer to state structure to receive the seed.
* @seed: arbitrary 64-bit value to use as a seed.
*/
-static inline void prandom32_seed(struct rnd_state *state, u64 seed)
+static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
{
u32 i = (seed >> 32) ^ (seed << 10) ^ seed;