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/*++
Copyright (c) Alex Ionescu. All rights reserved.
Header Name:
shv.h
Abstract:
This header defines the structures and functions of the Simple Hyper Visor.
Author:
Alex Ionescu (@aionescu) 14-Mar-2016 - Initial version
Environment:
Kernel mode only.
--*/
#pragma once
#pragma warning(disable:4201)
#pragma warning(disable:4214)
#ifndef __BASE_H__
#include <basetsd.h>
#endif
#define _INC_MALLOC
#include <intrin.h>
#include "ntint.h"
#include "shv_x.h"
typedef struct _SHV_VP_STATE
{
PCONTEXT VpRegs;
uintptr_t GuestRip;
uintptr_t GuestRsp;
uintptr_t GuestEFlags;
UINT16 ExitReason;
UINT8 ExitVm;
} SHV_VP_STATE, *PSHV_VP_STATE;
typedef struct _SHV_CALLBACK_CONTEXT
{
UINT64 Cr3;
volatile long InitCount;
INT32 FailedCpu;
INT32 FailureStatus;
} SHV_CALLBACK_CONTEXT, *PSHV_CALLBACK_CONTEXT;
SHV_CPU_CALLBACK ShvVpLoadCallback;
SHV_CPU_CALLBACK ShvVpUnloadCallback;
VOID
ShvVmxEntry (
VOID
);
INT32
ShvVmxLaunchOnVp (
_In_ PSHV_VP_DATA VpData
);
VOID
ShvUtilConvertGdtEntry (
_In_ VOID* GdtBase,
_In_ UINT16 Offset,
_Out_ PVMX_GDTENTRY64 VmxGdtEntry
);
UINT32
ShvUtilAdjustMsr (
_In_ LARGE_INTEGER ControlValue,
_In_ UINT32 DesiredValue
);
PSHV_VP_DATA
ShvVpAllocateData (
_In_ UINT32 CpuCount
);
VOID
ShvVpFreeData (
_In_ PSHV_VP_DATA Data,
_In_ UINT32 CpuCount
);
INT32
ShvVmxLaunch (
VOID
);
UINT8
ShvVmxProbe (
VOID
);
VOID
ShvVmxEptInitialize (
_In_ PSHV_VP_DATA VpData
);
DECLSPEC_NORETURN
VOID
ShvVpRestoreAfterLaunch (
VOID
);
//
// OS Layer
//
DECLSPEC_NORETURN
VOID
__cdecl
ShvOsRestoreContext (
_In_ PCONTEXT ContextRecord
);
VOID
ShvOsCaptureContext (
_In_ PCONTEXT ContextRecord
);
VOID
ShvOsUnprepareProcessor (
_In_ PSHV_VP_DATA VpData
);
INT32
ShvOsPrepareProcessor (
_In_ PSHV_VP_DATA VpData
);
INT32
ShvOsGetActiveProcessorCount (
VOID
);
INT32
ShvOsGetCurrentProcessorNumber (
VOID
);
VOID
ShvOsFreeContiguousAlignedMemory (
_In_ VOID* BaseAddress,
_In_ size_t Size
);
VOID*
ShvOsAllocateContigousAlignedMemory (
_In_ size_t Size
);
UINT64
ShvOsGetPhysicalAddress (
_In_ VOID* BaseAddress
);
#ifndef __BASE_H__
VOID
ShvOsDebugPrint (
_In_ const char* Format,
...
);
#else
VOID
ShvOsDebugPrintWide (
_In_ const CHAR16* Format,
...
);
#define ShvOsDebugPrint(format, ...) ShvOsDebugPrintWide(_CRT_WIDE(format), __VA_ARGS__)
#endif
VOID
ShvOsRunCallbackOnProcessors (
_In_ PSHV_CPU_CALLBACK Routine,
_In_opt_ VOID* Context
);
extern PSHV_VP_DATA* ShvGlobalData;
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