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 
is_kvm_guest(void)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
is_kvm_guest(void)21 static inline bool is_kvm_guest(void) { return false; }
check_kvm_guest(void)22 static inline int check_kvm_guest(void) { return 0; }
23 #endif
24 
25 #endif /* _ASM_POWERPC_KVM_GUEST_H_ */
26