mirror of
https://github.com/nefarius/ViGEmBus.git
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125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/*
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* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
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*
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* MIT License
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*
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* Copyright (c) 2016-2020 Nefarius Software Solutions e.U. and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include "trace.h"
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#include <ntddk.h>
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#include <wdf.h>
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#define NTSTRSAFE_LIB
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#include <ntstrsafe.h>
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#include <initguid.h>
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#include "ViGEmBusDriver.h"
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#include <ViGEm/km/BusShared.h>
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#include "Queue.hpp"
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#pragma region Macros
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#define DRIVERNAME "ViGEm: "
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#pragma endregion
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//
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// FDO (bus device) context data
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//
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typedef struct _FDO_DEVICE_DATA
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{
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//
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// Counter of interface references
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//
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LONG InterfaceReferenceCounter;
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//
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// Next SessionId to assign to a file handle
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//
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LONG NextSessionId;
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} FDO_DEVICE_DATA, * PFDO_DEVICE_DATA;
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#define FDO_FIRST_SESSION_ID 100
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WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(FDO_DEVICE_DATA, FdoGetData)
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//
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// Context data associated with file objects created by user mode applications
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//
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typedef struct _FDO_FILE_DATA
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{
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//
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// SessionId associated with file handle. Used to map file handles to emulated gamepad devices
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//
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LONG SessionId;
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} FDO_FILE_DATA, * PFDO_FILE_DATA;
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WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(FDO_FILE_DATA, FileObjectGetData)
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EXTERN_C_START
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#pragma region WDF callback prototypes
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DRIVER_INITIALIZE DriverEntry;
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EVT_WDF_DRIVER_DEVICE_ADD Bus_EvtDeviceAdd;
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EVT_WDF_DEVICE_FILE_CREATE Bus_DeviceFileCreate;
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EVT_WDF_FILE_CLOSE Bus_FileClose;
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EVT_WDF_CHILD_LIST_CREATE_DEVICE Bus_EvtDeviceListCreatePdo;
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EVT_WDF_CHILD_LIST_IDENTIFICATION_DESCRIPTION_COMPARE Bus_EvtChildListIdentificationDescriptionCompare;
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EVT_WDF_OBJECT_CONTEXT_CLEANUP Bus_EvtDriverContextCleanup;
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#pragma endregion
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#pragma region Bus enumeration-specific functions
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NTSTATUS
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Bus_PlugInDevice(
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_In_ WDFDEVICE Device,
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_In_ WDFREQUEST Request,
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_In_ BOOLEAN IsInternal,
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_Out_ size_t* Transferred
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);
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NTSTATUS
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Bus_UnPlugDevice(
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_In_ WDFDEVICE Device,
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_In_ WDFREQUEST Request,
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_In_ BOOLEAN IsInternal,
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_Out_ size_t* Transferred
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);
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#pragma endregion
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EXTERN_C_END
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