/* SPDX-License-Identifier: GPL-2.0
 *
 * Copyright (C) 2018-2019 WireGuard LLC. All Rights Reserved.
 */

#pragma once

#include <wdm.h>

typedef enum { SystemExtendedHandleInformation = 0x40 } SYSTEM_INFORMATION_CLASS;

typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX
{
	PVOID Object;
	HANDLE UniqueProcessId;
	HANDLE HandleValue;
	ACCESS_MASK GrantedAccess;
	USHORT CreatorBackTraceIndex;
	USHORT ObjectTypeIndex;
	ULONG HandleAttributes;
	ULONG Reserved;
} SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX, *PSYSTEM_HANDLE_TABLE_ENTRY_INFO_EX;

typedef struct _SYSTEM_HANDLE_INFORMATION_EX
{
	ULONG_PTR NumberOfHandles;
	ULONG_PTR Reserved;
	SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX Handles[ANYSIZE_ARRAY];
} SYSTEM_HANDLE_INFORMATION_EX, *PSYSTEM_HANDLE_INFORMATION_EX;

extern NTSTATUS ZwQuerySystemInformation(SYSTEM_INFORMATION_CLASS SystemInformationClass, PVOID SystemInformation, ULONG SystemInformationLength, ULONG *ReturnLength);

extern POBJECT_TYPE *IoDeviceObjectType;