diff options
Diffstat (limited to 'arch/powerpc/kernel/secvar-ops.c')
-rw-r--r-- | arch/powerpc/kernel/secvar-ops.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/secvar-ops.c b/arch/powerpc/kernel/secvar-ops.c new file mode 100644 index 0000000000..19172a2804 --- /dev/null +++ b/arch/powerpc/kernel/secvar-ops.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2019 IBM Corporation + * Author: Nayna Jain + * + * This file initializes secvar operations for PowerPC Secureboot + */ + +#include <linux/cache.h> +#include <asm/secvar.h> +#include <asm/bug.h> + +const struct secvar_operations *secvar_ops __ro_after_init = NULL; + +int set_secvar_ops(const struct secvar_operations *ops) +{ + if (WARN_ON_ONCE(secvar_ops)) + return -EBUSY; + + secvar_ops = ops; + + return 0; +} |