123200b7aSJoao Martins // SPDX-License-Identifier: GPL-2.0 223200b7aSJoao Martins /* 323200b7aSJoao Martins * Copyright © 2019 Oracle and/or its affiliates. All rights reserved. 423200b7aSJoao Martins * Copyright © 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. 523200b7aSJoao Martins * 623200b7aSJoao Martins * KVM Xen emulation 723200b7aSJoao Martins */ 823200b7aSJoao Martins 923200b7aSJoao Martins #ifndef __ARCH_X86_KVM_XEN_H__ 1023200b7aSJoao Martins #define __ARCH_X86_KVM_XEN_H__ 1123200b7aSJoao Martins 127d6bbebbSDavid Woodhouse #include <linux/jump_label_ratelimit.h> 137d6bbebbSDavid Woodhouse 147d6bbebbSDavid Woodhouse extern struct static_key_false_deferred kvm_xen_enabled; 157d6bbebbSDavid Woodhouse 16*a76b9641SJoao Martins int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data); 17*a76b9641SJoao Martins int kvm_xen_hvm_get_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data); 1823200b7aSJoao Martins int kvm_xen_hypercall(struct kvm_vcpu *vcpu); 1923200b7aSJoao Martins int kvm_xen_write_hypercall_page(struct kvm_vcpu *vcpu, u64 data); 2078e9878cSDavid Woodhouse int kvm_xen_hvm_config(struct kvm *kvm, struct kvm_xen_hvm_config *xhc); 217d6bbebbSDavid Woodhouse void kvm_xen_destroy_vm(struct kvm *kvm); 2223200b7aSJoao Martins 2323200b7aSJoao Martins static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm) 2423200b7aSJoao Martins { 257d6bbebbSDavid Woodhouse return static_branch_unlikely(&kvm_xen_enabled.key) && 267d6bbebbSDavid Woodhouse (kvm->arch.xen_hvm_config.flags & 277d6bbebbSDavid Woodhouse KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL); 2823200b7aSJoao Martins } 2923200b7aSJoao Martins 3023200b7aSJoao Martins #endif /* __ARCH_X86_KVM_XEN_H__ */ 31