aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/linux/hw_random.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/hw_random.h')
-rw-r--r--include/linux/hw_random.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 8e6dd908da21..b424555753b1 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -13,9 +13,8 @@
#define LINUX_HWRANDOM_H_
#include <linux/completion.h>
-#include <linux/types.h>
-#include <linux/list.h>
#include <linux/kref.h>
+#include <linux/types.h>
/**
* struct hwrng - Hardware Random Number Generator driver
@@ -34,7 +33,7 @@
* @priv: Private data, for use by the RNG driver.
* @quality: Estimation of true entropy in RNG's bitstream
* (in bits of entropy per 1024 bits of input;
- * valid values: 1 to 1024, or 0 for unknown).
+ * valid values: 1 to 1024, or 0 for maximum).
*/
struct hwrng {
const char *name;
@@ -50,6 +49,7 @@ struct hwrng {
struct list_head list;
struct kref ref;
struct completion cleanup_done;
+ struct completion dying;
};
struct device;
@@ -60,7 +60,8 @@ extern int devm_hwrng_register(struct device *dev, struct hwrng *rng);
/** Unregister a Hardware Random Number Generator driver. */
extern void hwrng_unregister(struct hwrng *rng);
extern void devm_hwrng_unregister(struct device *dve, struct hwrng *rng);
-/** Feed random bits into the pool. */
-extern void add_hwgenerator_randomness(const char *buffer, size_t count, size_t entropy);
+
+extern long hwrng_msleep(struct hwrng *rng, unsigned int msecs);
+extern long hwrng_yield(struct hwrng *rng);
#endif /* LINUX_HWRANDOM_H_ */