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33 lines
876 B
C
33 lines
876 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* KVM L1 hypervisor optimizations on Hyper-V.
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*/
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#ifndef __ARCH_X86_KVM_KVM_ONHYPERV_H__
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#define __ARCH_X86_KVM_KVM_ONHYPERV_H__
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#if IS_ENABLED(CONFIG_HYPERV)
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int hv_remote_flush_tlb_with_range(struct kvm *kvm,
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struct kvm_tlb_range *range);
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int hv_remote_flush_tlb(struct kvm *kvm);
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static inline void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp)
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{
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struct kvm_arch *kvm_arch = &vcpu->kvm->arch;
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if (kvm_x86_ops.tlb_remote_flush == hv_remote_flush_tlb) {
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spin_lock(&kvm_arch->hv_root_tdp_lock);
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vcpu->arch.hv_root_tdp = root_tdp;
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if (root_tdp != kvm_arch->hv_root_tdp)
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kvm_arch->hv_root_tdp = INVALID_PAGE;
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spin_unlock(&kvm_arch->hv_root_tdp_lock);
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}
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}
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#else /* !CONFIG_HYPERV */
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static inline void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp)
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{
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}
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#endif /* !CONFIG_HYPERV */
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#endif
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