tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * s390 arch random implementation.
4 *
5 * Copyright IBM Corp. 2017, 2020
6 * Author(s): Harald Freudenberger
7 */
8
9#include <linux/export.h>
10#include <linux/kernel.h>
11#include <linux/atomic.h>
12#include <linux/random.h>
13#include <linux/static_key.h>
14#include <asm/archrandom.h>
15#include <asm/cpacf.h>
16
17DEFINE_STATIC_KEY_FALSE(s390_arch_random_available);
18
19atomic64_t s390_arch_random_counter = ATOMIC64_INIT(0);
20EXPORT_SYMBOL(s390_arch_random_counter);