Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h
new file mode 100644
index 000000000..e744c2358
--- /dev/null
+++ b/include/uapi/linux/random.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * include/linux/random.h
+ *
+ * Include file for the random number generator.
+ */
+
+#ifndef _UAPI_LINUX_RANDOM_H
+#define _UAPI_LINUX_RANDOM_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#include <linux/irqnr.h>
+
+/* ioctl()'s for the random number generator */
+
+/* Get the entropy count. */
+#define RNDGETENTCNT	_IOR( 'R', 0x00, int )
+
+/* Add to (or subtract from) the entropy count.  (Superuser only.) */
+#define RNDADDTOENTCNT	_IOW( 'R', 0x01, int )
+
+/* 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.)
+ */
+#define RNDADDENTROPY	_IOW( 'R', 0x03, int [2] )
+
+/* Clear entropy count to 0.  (Superuser only.) */
+#define RNDZAPENTCNT	_IO( 'R', 0x04 )
+
+/* Clear the entropy pool and associated counters.  (Superuser only.) */
+#define RNDCLEARPOOL	_IO( 'R', 0x06 )
+
+/* Reseed CRNG.  (Superuser only.) */
+#define RNDRESEEDCRNG	_IO( 'R', 0x07 )
+
+struct rand_pool_info {
+	int	entropy_count;
+	int	buf_size;
+	__u32	buf[];
+};
+
+/*
+ * Flags for getrandom(2)
+ *
+ * GRND_NONBLOCK	Don't block and return EAGAIN instead
+ * GRND_RANDOM		No effect
+ * GRND_INSECURE	Return non-cryptographic random bytes
+ */
+#define GRND_NONBLOCK	0x0001
+#define GRND_RANDOM	0x0002
+#define GRND_INSECURE	0x0004
+
+#endif /* _UAPI_LINUX_RANDOM_H */