69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*!
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@file Public.h
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@brief Interfaces to communicate with our hypervisor.
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@author Satoshi Tanda
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@copyright Copyright (c) 2020 - , Satoshi Tanda. All rights reserved.
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*/
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#pragma once
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#include "Common.h"
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//
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// The VMCALL numbers our hypervisor provides.
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//
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typedef enum _HYPERVISOR_VMCALL_NUMBER
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{
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//
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// Uninstall the hypervisor.
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//
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VmcallUninstall,
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//
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// The maximum valid VMCALL number (exclusive).
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//
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VmcallInvalid,
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} HYPERVISOR_VMCALL_NUMBER;
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//
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// The arbitrary collection of data passed to our hypervisor from kernel-mode
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// code through stack of the hypervisor.
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//
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// The structure must be 16-byte aligned so that hypervisor's stack pointer is
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// always 16-byte aligned and SSE instructions can be used to save XMM registers.
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// See Asm.asm for relevant code.
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//
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typedef struct _HYPERVISOR_CONTEXT
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{
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//
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// The processor number associated with this context. 0 for BSP.
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//
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UINT32 ProcessorNumber;
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UINT32 Padding1;
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UINT64 Padding2;
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//
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// A pointer to the all-processors context. This value is not used by the
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// hypervisor, and the hypervisor doe not know its layout. It is stored here
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// so that it can be returned and freed when hypervisor is being disabled.
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//
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struct _SHARED_PROCESSOR_CONTEXT* VpContexts;
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//
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// A pointer to the EPT context. Needed to handle EPT violation VM-exit.
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//
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struct _EPT_CONTEXT* EptContext;
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//
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// A pointer to the memory access context. Used to access guest's memory.
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//
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struct _MEMORY_ACCESS_CONTEXT* MemoryAccessContext;
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//
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// The state of the nested hypervisor if any.
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//
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struct _NEXTED_VMX_CONTEXT* NestedVmxContext;
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} HYPERVISOR_CONTEXT;
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C_ASSERT((sizeof(HYPERVISOR_CONTEXT) % 0x10) == 0);
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