Sample Code
Windows Driver Samples/ Echo Sample (UMDF Version 1)/ C++/ internal.h/
/*++ Copyright (C) Microsoft Corporation, All Rights Reserved Module Name: Internal.h Abstract: This module contains the local type definitions for the UMDF Echo driver sample. Environment: Windows User-Mode Driver Framework (WUDF) --*/ #pragma once #ifndef ARRAY_SIZE #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) #endif // // Include the WUDF DDI // #include "wudfddi.h" // // Use specstrings for in/out annotation of function parameters. // #include "specstrings.h" // // Forward definitions of classes in the other header files. // typedef class CMyDriver *PCMyDriver; typedef class CMyDevice *PCMyDevice; typedef class CMyQueue *PCMyQueue; // // Define the tracing flags. // // TODO: Choose a different trace control GUID // #define WPP_CONTROL_GUIDS \ WPP_DEFINE_CONTROL_GUID( \ MyDriverTraceControl, (d93fb470,afb1,4af8,860e,75f726c66f6b), \ \ WPP_DEFINE_BIT(MYDRIVER_ALL_INFO) \ ) #define WPP_FLAG_LEVEL_LOGGER(flag, level) \ WPP_LEVEL_LOGGER(flag) #define WPP_FLAG_LEVEL_ENABLED(flag, level) \ (WPP_LEVEL_ENABLED(flag) && \ WPP_CONTROL(WPP_BIT_ ## flag).Level >= level) // // This comment block is scanned by the trace preprocessor to define our // Trace function. // // begin_wpp config // FUNC Trace{FLAG=MYDRIVER_ALL_INFO}(LEVEL, MSG, ...); // end_wpp // // // Driver specific #defines // // TODO: Change these values to be appropriate for your driver. // #define MYDRIVER_TRACING_ID L"Microsoft\\UMDF\\Echo" #define MYDRIVER_CLASS_ID {0x7ab7dcf5, 0xd1d4, 0x4085, {0x95, 0x47, 0x1d, 0xb9, 0x68, 0xcc, 0xa7, 0x20}} // // Include the type specific headers. // #include "comsup.h" #include "driver.h" #include "device.h" #include "queue.h" __forceinline #ifdef _PREFAST_ __declspec(noreturn) #endif VOID WdfTestNoReturn( VOID ) { // do nothing. } #define WUDF_TEST_DRIVER_ASSERT(p) \ { \ if ( !(p) ) \ { \ DebugBreak(); \ WdfTestNoReturn(); \ } \ } #define SAFE_RELEASE(p) {if ((p)) { (p)->Release(); (p) = NULL; }}
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