svm.h (bd104e6db6f0ad124e507a9ecf1a468efe5697db) svm.h (d5394c059da9786043934bed474562cde124e7d3)
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
13static inline bool is_secure_guest(void)
14{
15 return mfmsr() & MSR_S;
16}
17
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
13static inline bool is_secure_guest(void)
14{
15 return mfmsr() & MSR_S;
16}
17
18void dtl_cache_ctor(void *addr);
19#define get_dtl_cache_ctor() (is_secure_guest() ? dtl_cache_ctor : NULL)
20
18#else /* CONFIG_PPC_SVM */
19
20static inline bool is_secure_guest(void)
21{
22 return false;
23}
24
21#else /* CONFIG_PPC_SVM */
22
23static inline bool is_secure_guest(void)
24{
25 return false;
26}
27
28#define get_dtl_cache_ctor() NULL
29
25#endif /* CONFIG_PPC_SVM */
26#endif /* _ASM_POWERPC_SVM_H */
30#endif /* CONFIG_PPC_SVM */
31#endif /* _ASM_POWERPC_SVM_H */