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 static inline bool is_secure_guest(void) 14 { 15 return mfmsr() & MSR_S; 16 } 17 18 void dtl_cache_ctor(void *addr); 19 #define get_dtl_cache_ctor() (is_secure_guest() ? dtl_cache_ctor : NULL) 20 21 #else /* CONFIG_PPC_SVM */ 22 23 static inline bool is_secure_guest(void) 24 { 25 return false; 26 } 27 28 #define get_dtl_cache_ctor() NULL 29 30 #endif /* CONFIG_PPC_SVM */ 31 #endif /* _ASM_POWERPC_SVM_H */ 32