mirror of
https://github.com/nefarius/ViGEmBus.git
synced 2025-08-10 00:52:17 +00:00
180 lines
4.5 KiB
C
180 lines
4.5 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) 2016-2019 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 <ntintsafe.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.h"
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#include <usb.h>
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#include <usbbusif.h>
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#include "Context.h"
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#include "Util.h"
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#include "UsbPdo.h"
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#include "Xusb.h"
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#include "Ds4.h"
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#include "Xgip.h"
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#pragma region Macros
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#define MAX_INSTANCE_ID_LEN 80
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#define HID_LANGUAGE_ID_LENGTH 0x04
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#define HID_REQUEST_GET_REPORT 0x01
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#define HID_REQUEST_SET_REPORT 0x09
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#define HID_REPORT_TYPE_FEATURE 0x03
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#define VIGEM_POOL_TAG 0x45476956 // "EGiV"
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#define XUSB_POOL_TAG 'BSUX'
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#define DRIVERNAME "ViGEm: "
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#define MAX_HARDWARE_ID_LENGTH 0xFF
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#define ORC_PC_FREQUENCY_DIVIDER 1000
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#define ORC_TIMER_START_DELAY 500 // ms
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#define ORC_TIMER_PERIODIC_DUE_TIME 500 // ms
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#define ORC_REQUEST_MAX_AGE 500 // ms
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#pragma endregion
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#pragma region Helpers
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//
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// Extracts the HID Report ID from the supplied class request.
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//
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#define HID_GET_REPORT_ID(_req_) ((_req_->Value) & 0xFF)
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//
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// Extracts the HID Report type from the supplied class request.
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//
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#define HID_GET_REPORT_TYPE(_req_) ((_req_->Value >> 8) & 0xFF)
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//
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// Some insane macro-magic =3
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//
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#define P99_PROTECT(...) __VA_ARGS__
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#define COPY_BYTE_ARRAY(_dst_, _bytes_) do {BYTE b[] = _bytes_; \
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RtlCopyMemory(_dst_, b, RTL_NUMBER_OF_V1(b)); } while (0)
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#pragma endregion
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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_DEVICE_PREPARE_HARDWARE Pdo_EvtDevicePrepareHardware;
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EVT_WDF_IO_QUEUE_IO_INTERNAL_DEVICE_CONTROL Pdo_EvtIoInternalDeviceControl;
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EVT_WDF_TIMER Xgip_SysInitTimerFunc;
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EVT_WDF_OBJECT_CONTEXT_CLEANUP Bus_EvtDriverContextCleanup;
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EVT_WDF_TIMER Bus_PlugInRequestCleanUpEvtTimerFunc;
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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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NTSTATUS
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Bus_CreatePdo(
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_In_ WDFDEVICE Device,
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_In_ PWDFDEVICE_INIT ChildInit,
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_In_ PPDO_IDENTIFICATION_DESCRIPTION Description
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);
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NTSTATUS
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Bus_QueueNotification(
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WDFDEVICE Device,
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ULONG SerialNo,
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WDFREQUEST Request
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);
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NTSTATUS
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Bus_XgipSubmitReport(
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WDFDEVICE Device,
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ULONG SerialNo,
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PXGIP_SUBMIT_REPORT Report,
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_In_ BOOLEAN FromInterface
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);
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NTSTATUS
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Bus_SubmitReport(
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WDFDEVICE Device,
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ULONG SerialNo,
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PVOID Report,
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_In_ BOOLEAN FromInterface
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);
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WDFDEVICE
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Bus_GetPdo(
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IN WDFDEVICE Device,
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IN ULONG SerialNo);
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VOID
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Bus_PdoStageResult(
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_In_ PINTERFACE InterfaceHeader,
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_In_ VIGEM_PDO_STAGE Stage,
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_In_ ULONG Serial,
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_In_ NTSTATUS Status
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);
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#pragma endregion
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