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x86/kvm/nVMX: nested state migration for Enlightened VMCS

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Add support for get/set of nested state when Enlightened VMCS is in use.
A new KVM_STATE_NESTED_EVMCS flag to indicate eVMCS on the vCPU was enabled
is added.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Vitaly Kuznetsov
2018-10-16 18:50:09 +02:00
committed by Paolo Bonzini
parent 1e7ecd1b3d
commit 8cab6507f6
3 changed files with 65 additions and 20 deletions
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arch/x86/include/uapi/asm/kvm.h
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@@ -381,6 +381,7 @@ struct kvm_sync_regs {
#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
#define KVM_STATE_NESTED_EVMCS 0x00000004
#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_SMM_VMXON 0x00000002