Module Name: src
Committed By: apb
Date: Sat Dec 17 12:59:22 UTC 2011
Modified Files:
src/sys/sys: rnd.h
Log Message:
Add comments for some ioctls and structs; fix a typo in another comment.
To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/sys/sys/rnd.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/rnd.h
diff -u src/sys/sys/rnd.h:1.26 src/sys/sys/rnd.h:1.27
--- src/sys/sys/rnd.h:1.26 Tue Nov 29 03:50:32 2011
+++ src/sys/sys/rnd.h Sat Dec 17 12:59:21 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: rnd.h,v 1.26 2011/11/29 03:50:32 tls Exp $ */
+/* $NetBSD: rnd.h,v 1.27 2011/12/17 12:59:21 apb Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -63,6 +63,7 @@ typedef struct {
uint8_t digest[SHA1_DIGEST_LENGTH];
} rndsave_t;
+/* Statistics exposed by RNDGETPOOLSTAT */
typedef struct
{
uint32_t poolsize;
@@ -118,7 +119,7 @@ typedef struct krndsource {
uint32_t total; /* entropy from this source */
uint32_t type; /* type */
uint32_t flags; /* flags */
- void *state; /* state informaiton */
+ void *state; /* state information */
size_t test_cnt; /* how much test data accumulated? */
rngtest_t *test; /* test data for RNG type sources */
} krndsource_t;
@@ -197,6 +198,10 @@ typedef struct {
uint32_t mask; /* mask for the flags we are setting */
} rndctl_t;
+/*
+ * Add entropy to the pool. len is the data length, in bytes.
+ * entropy is the number of bits of estimated entropy in the data.
+ */
typedef struct {
uint32_t len;
uint32_t entropy;
@@ -208,6 +213,6 @@ typedef struct {
#define RNDGETSRCNAME _IOWR('R', 103, rndstat_name_t) /* get src by name */
#define RNDCTL _IOW('R', 104, rndctl_t) /* set/clear source flags */
#define RNDADDDATA _IOW('R', 105, rnddata_t) /* add data to the pool */
-#define RNDGETPOOLSTAT _IOR('R', 106, rndpoolstat_t)
+#define RNDGETPOOLSTAT _IOR('R', 106, rndpoolstat_t) /* get statistics */
#endif /* !_SYS_RND_H_ */
