acrn-kernel/arch/x86/kvm/svm/hyperv.h

36 lines
812 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Common Hyper-V on KVM and KVM on Hyper-V definitions (SVM).
*/
#ifndef __ARCH_X86_KVM_SVM_HYPERV_H__
#define __ARCH_X86_KVM_SVM_HYPERV_H__
#include <asm/mshyperv.h>
#include "../hyperv.h"
/*
* Hyper-V uses the software reserved 32 bytes in VMCB
* control area to expose SVM enlightenments to guests.
*/
struct hv_enlightenments {
struct __packed hv_enlightenments_control {
u32 nested_flush_hypercall:1;
u32 msr_bitmap:1;
u32 enlightened_npt_tlb: 1;
u32 reserved:29;
} __packed hv_enlightenments_control;
u32 hv_vp_id;
u64 hv_vm_id;
u64 partition_assist_page;
u64 reserved;
} __packed;
/*
* Hyper-V uses the software reserved clean bit in VMCB
*/
#define VMCB_HV_NESTED_ENLIGHTENMENTS VMCB_SW
#endif /* __ARCH_X86_KVM_SVM_HYPERV_H__ */