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Linux kernel mirror (for testing)
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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2019 IBM Corporation
4 * Author: Nayna Jain
5 *
6 * This file initializes secvar operations for PowerPC Secureboot
7 */
8
9#include <linux/cache.h>
10#include <asm/secvar.h>
11#include <asm/bug.h>
12
13const struct secvar_operations *secvar_ops __ro_after_init = NULL;
14
15int set_secvar_ops(const struct secvar_operations *ops)
16{
17 if (WARN_ON_ONCE(secvar_ops))
18 return -EBUSY;
19
20 secvar_ops = ops;
21
22 return 0;
23}