1/* SPDX-License-Identifier: GPL-2.0+ */
 2/*
 3 * SVM helper functions
 4 *
 5 * Copyright 2018 Anshuman Khandual, IBM Corporation.
 6 */
 7
 8#ifndef _ASM_POWERPC_SVM_H
 9#define _ASM_POWERPC_SVM_H
10
11#ifdef CONFIG_PPC_SVM
12
13#include <asm/reg.h>
14
15static inline bool is_secure_guest(void)
16{
17	return mfmsr() & MSR_S;
18}
19
20void dtl_cache_ctor(void *addr);
21#define get_dtl_cache_ctor()	(is_secure_guest() ? dtl_cache_ctor : NULL)
22
23#else /* CONFIG_PPC_SVM */
24
25static inline bool is_secure_guest(void)
26{
27	return false;
28}
29
30#define get_dtl_cache_ctor() NULL
31
32#endif /* CONFIG_PPC_SVM */
33#endif /* _ASM_POWERPC_SVM_H */