arch/powerpc/include/asm/kvm_guest.h

   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 __init 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_ */