1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright IBM Corp. 2008 5 * 6 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 7 */ 8 #ifndef __POWERPC_KVM_PARA_H__ 9 #define __POWERPC_KVM_PARA_H__ 10 11 #include <asm/kvm_guest.h> 12 13 #include <uapi/asm/kvm_para.h> 14 15 static inline int kvm_para_available(void) 16 { 17 return IS_ENABLED(CONFIG_KVM_GUEST) && is_kvm_guest(); 18 } 19 20 static inline unsigned int kvm_arch_para_features(void) 21 { 22 unsigned long r; 23 24 if (!kvm_para_available()) 25 return 0; 26 27 if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r)) 28 return 0; 29 30 return r; 31 } 32 33 static inline unsigned int kvm_arch_para_hints(void) 34 { 35 return 0; 36 } 37 38 static inline bool kvm_check_and_clear_guest_paused(void) 39 { 40 return false; 41 } 42 43 #endif /* __POWERPC_KVM_PARA_H__ */ 44