linux/arch/x86/kvm/vmx/hyperv.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __KVM_X86_VMX_HYPERV_H
#define __KVM_X86_VMX_HYPERV_H

#include <linux/kvm_host.h>
#include "vmcs12.h"
#include "vmx.h"

#define EVMPTR_INVALID …
#define EVMPTR_MAP_PENDING …

enum nested_evmptrld_status { … };

#ifdef CONFIG_KVM_HYPERV
static inline bool evmptr_is_valid(u64 evmptr)
{ … }

static inline bool nested_vmx_is_evmptr12_valid(struct vcpu_vmx *vmx)
{ … }

static inline bool evmptr_is_set(u64 evmptr)
{ … }

static inline bool nested_vmx_is_evmptr12_set(struct vcpu_vmx *vmx)
{ … }

static inline struct hv_enlightened_vmcs *nested_vmx_evmcs(struct vcpu_vmx *vmx)
{ … }

static inline bool guest_cpuid_has_evmcs(struct kvm_vcpu *vcpu)
{ … }

u64 nested_get_evmptr(struct kvm_vcpu *vcpu);
uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu);
int nested_enable_evmcs(struct kvm_vcpu *vcpu,
			uint16_t *vmcs_version);
void nested_evmcs_filter_control_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata);
int nested_evmcs_check_controls(struct vmcs12 *vmcs12);
bool nested_evmcs_l2_tlb_flush_enabled(struct kvm_vcpu *vcpu);
void vmx_hv_inject_synthetic_vmexit_post_tlb_flush(struct kvm_vcpu *vcpu);
#else
static inline bool evmptr_is_valid(u64 evmptr)
{
	return false;
}

static inline bool nested_vmx_is_evmptr12_valid(struct vcpu_vmx *vmx)
{
	return false;
}

static inline bool evmptr_is_set(u64 evmptr)
{
	return false;
}

static inline bool nested_vmx_is_evmptr12_set(struct vcpu_vmx *vmx)
{
	return false;
}

static inline struct hv_enlightened_vmcs *nested_vmx_evmcs(struct vcpu_vmx *vmx)
{
	return NULL;
}
#endif

#endif /* __KVM_X86_VMX_HYPERV_H */