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//usr/src/linux-headers-5.15.31-051531/arch/powerpc/include/asm/svm.h
/* SPDX-License-Identifier: GPL-2.0+ */ /* * SVM helper functions * * Copyright 2018 Anshuman Khandual, IBM Corporation. */ #ifndef _ASM_POWERPC_SVM_H #define _ASM_POWERPC_SVM_H #ifdef CONFIG_PPC_SVM static inline bool is_secure_guest(void) { return mfmsr() & MSR_S; } void __init svm_swiotlb_init(void); void dtl_cache_ctor(void *addr); #define get_dtl_cache_ctor() (is_secure_guest() ? dtl_cache_ctor : NULL) #else /* CONFIG_PPC_SVM */ static inline bool is_secure_guest(void) { return false; } static inline void svm_swiotlb_init(void) {} #define get_dtl_cache_ctor() NULL #endif /* CONFIG_PPC_SVM */ #endif /* _ASM_POWERPC_SVM_H */