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In preparation to implementing Enlightened MSR-Bitmap feature for Hyper-V on KVM, split off the required definitions into common 'svm/hyperv.h' header. No functional change intended. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20220202095100.129834-4-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
35 lines
812 B
C
35 lines
812 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Common Hyper-V on KVM and KVM on Hyper-V definitions (SVM).
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*/
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#ifndef __ARCH_X86_KVM_SVM_HYPERV_H__
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#define __ARCH_X86_KVM_SVM_HYPERV_H__
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#include <asm/mshyperv.h>
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#include "../hyperv.h"
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/*
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* Hyper-V uses the software reserved 32 bytes in VMCB
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* control area to expose SVM enlightenments to guests.
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*/
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struct hv_enlightenments {
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struct __packed hv_enlightenments_control {
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u32 nested_flush_hypercall:1;
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u32 msr_bitmap:1;
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u32 enlightened_npt_tlb: 1;
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u32 reserved:29;
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} __packed hv_enlightenments_control;
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u32 hv_vp_id;
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u64 hv_vm_id;
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u64 partition_assist_page;
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u64 reserved;
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} __packed;
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/*
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* Hyper-V uses the software reserved clean bit in VMCB
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*/
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#define VMCB_HV_NESTED_ENLIGHTENMENTS VMCB_SW
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#endif /* __ARCH_X86_KVM_SVM_HYPERV_H__ */
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