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This will be used to set up shared info pages etc. Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
31 lines
992 B
C
31 lines
992 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright © 2019 Oracle and/or its affiliates. All rights reserved.
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* Copyright © 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* KVM Xen emulation
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*/
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#ifndef __ARCH_X86_KVM_XEN_H__
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#define __ARCH_X86_KVM_XEN_H__
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#include <linux/jump_label_ratelimit.h>
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extern struct static_key_false_deferred kvm_xen_enabled;
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int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data);
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int kvm_xen_hvm_get_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data);
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int kvm_xen_hypercall(struct kvm_vcpu *vcpu);
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int kvm_xen_write_hypercall_page(struct kvm_vcpu *vcpu, u64 data);
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int kvm_xen_hvm_config(struct kvm *kvm, struct kvm_xen_hvm_config *xhc);
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void kvm_xen_destroy_vm(struct kvm *kvm);
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static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm)
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{
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return static_branch_unlikely(&kvm_xen_enabled.key) &&
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(kvm->arch.xen_hvm_config.flags &
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KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL);
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}
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#endif /* __ARCH_X86_KVM_XEN_H__ */
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