1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2020 IBM Corporation 4 */ 5 6 #ifndef _ASM_POWERPC_KVM_GUEST_H_ 7 #define _ASM_POWERPC_KVM_GUEST_H_ 8 9 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST) 10 #include <linux/jump_label.h> 11 12 DECLARE_STATIC_KEY_FALSE(kvm_guest); 13 14 static inline bool is_kvm_guest(void) 15 { 16 return static_branch_unlikely(&kvm_guest); 17 } 18 19 int check_kvm_guest(void); 20 #else 21 static inline bool is_kvm_guest(void) { return false; } 22 static inline int check_kvm_guest(void) { return 0; } 23 #endif 24 25 #endif /* _ASM_POWERPC_KVM_GUEST_H_ */ 26