blob: 6e1ee951e360641260de8787eac8a6e305041b7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* 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 (-1ULL)
#define EVMPTR_MAP_PENDING (-2ULL)
static inline bool evmptr_is_valid(u64 evmptr)
{
return evmptr != EVMPTR_INVALID && evmptr != EVMPTR_MAP_PENDING;
}
enum nested_evmptrld_status {
EVMPTRLD_DISABLED,
EVMPTRLD_SUCCEEDED,
EVMPTRLD_VMFAIL,
EVMPTRLD_ERROR,
};
static inline bool guest_cpuid_has_evmcs(struct kvm_vcpu *vcpu)
{
/*
* eVMCS is exposed to the guest if Hyper-V is enabled in CPUID and
* eVMCS has been explicitly enabled by userspace.
*/
return vcpu->arch.hyperv_enabled &&
to_vmx(vcpu)->nested.enlightened_vmcs_enabled;
}
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);
#endif /* __KVM_X86_VMX_HYPERV_H */
|
