include/asm/kvm_guest.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright (C) 2020 IBM Corporation
0004  */
0005
0006 #ifndef _ASM_POWERPC_KVM_GUEST_H_
0007 #define _ASM_POWERPC_KVM_GUEST_H_
0008
0009 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST)
0010 #include <linux/jump_label.h>
0011
0012 DECLARE_STATIC_KEY_FALSE(kvm_guest);
0013
0014 static inline bool is_kvm_guest(void)
0015 {
0016     return static_branch_unlikely(&kvm_guest);
0017 }
0018
0019 int __init check_kvm_guest(void);
0020 #else
0021 static inline bool is_kvm_guest(void) { return false; }
0022 static inline int check_kvm_guest(void) { return 0; }
0023 #endif
0024
0025 #endif /* _ASM_POWERPC_KVM_GUEST_H_ */