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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/s390/crypto/arch_random.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/crypto/arch_random.c')
-rw-r--r-- | arch/s390/crypto/arch_random.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/s390/crypto/arch_random.c b/arch/s390/crypto/arch_random.c new file mode 100644 index 000000000..1f2d40993 --- /dev/null +++ b/arch/s390/crypto/arch_random.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * s390 arch random implementation. + * + * Copyright IBM Corp. 2017, 2020 + * Author(s): Harald Freudenberger + */ + +#include <linux/kernel.h> +#include <linux/atomic.h> +#include <linux/random.h> +#include <linux/static_key.h> +#include <asm/cpacf.h> + +DEFINE_STATIC_KEY_FALSE(s390_arch_random_available); + +atomic64_t s390_arch_random_counter = ATOMIC64_INIT(0); +EXPORT_SYMBOL(s390_arch_random_counter); |