64 lines
986 B
C
64 lines
986 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright IBM Corp. 2008
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*
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* Authors: Hollis Blanchard <hollisb@us.ibm.com>
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*/
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#ifndef __POWERPC_KVM_PARA_H__
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#define __POWERPC_KVM_PARA_H__
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#include <uapi/asm/kvm_para.h>
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#ifdef CONFIG_KVM_GUEST
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#include <linux/of.h>
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static inline int kvm_para_available(void)
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{
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struct device_node *hyper_node;
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hyper_node = of_find_node_by_path("/hypervisor");
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if (!hyper_node)
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return 0;
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if (!of_device_is_compatible(hyper_node, "linux,kvm"))
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return 0;
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return 1;
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}
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#else
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static inline int kvm_para_available(void)
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{
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return 0;
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}
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#endif
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static inline unsigned int kvm_arch_para_features(void)
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{
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unsigned long r;
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if (!kvm_para_available())
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return 0;
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if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r))
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return 0;
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return r;
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}
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static inline unsigned int kvm_arch_para_hints(void)
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{
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return 0;
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}
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static inline bool kvm_check_and_clear_guest_paused(void)
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{
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return false;
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}
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#endif /* __POWERPC_KVM_PARA_H__ */
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