ZyDriver1_驱动级读写源码_读写驱动_

#pragma once #pragma warning (disable : 4100 4995 4002) #include "IRP.h" /*卸载函数*/ void Unload (PDRIVER_OBJECT pDriverObject//驱动对象 ) { //用来取得要删除设备对象 PDEVICE_OBJECT pDev; pDev = pDriverObject->DeviceObject; //删除设备 IoDeleteDevice(pDev); //取符号链接名字 UNICODE_STRING symLinkName; RtlInitUnicodeString(&symLinkName, L"\\??\\ZyLinkName"); //删除符号链接 IoDeleteSymbolicLink(&symLinkName); DbgPrint(("驱动成功卸载\n")); } /*创建设备函数*/ NTSTATUS CreateMyDevice (IN PDRIVER_OBJECT pDriverObject//驱动对象 ) { /*创建设备*/ UNICODE_STRING devName;//设备名称 RtlInitUnicodeString(&devName, L"\\Device\\Zy_Device");//初始化 设备名称 字符串 NTSTATUS status; //创建状态 PDEVICE_OBJECT pDevObj; //设备对象 //开始创建设备对象 status = IoCreateDevice ( pDriverObject, 200, //设备大小 &devName, FILE_DEVICE_UNKNOWN,//设备类型 0, //设备特征信息 FALSE, //是否指定设备为独占 &pDevObj ); //判断 创建设备对象 返回值 if (!NT_SUCCESS(status)) { if (status == STATUS_INSUFFICIENT_RESOURCES) { DbgPrint(("资源不足\n")); } if (status == STATUS_OBJECT_NAME_EXISTS) { DbgPrint(("指定对象名存在\n")); } if (status == STATUS_OBJECT_NAME_COLLISION) { DbgPrint(("对象名有冲突\n")); } DbgPrint(("设备创建失败\n")); return status; } /*设置读写方式 缓冲区读写*/ pDevObj->Flags |= DO_BUFFERED_IO; /*直接读写*/ //pDevObj->Flags |= DO_DIRECT_IO; /*创建符号链接*/ UNICODE_STRING symLinkName;//符号链接 RtlInitUnicodeString(&symLinkName, L"\\??\\ZyLinkName");//初始化符号链接 //开始创建符号链接 status = IoCreateSymbolicLink(&symLinkName, &devName); //删除无效设备 if (!NT_SUCCESS(status)) { DbgPrint(("符号链接创建失败\n")); IoDeleteDevice(pDevObj); return status; } //DbgPrint(("设备创建成功\n")); return STATUS_SUCCESS; } NTSTATUS DriverEntry( PDRIVER_OBJECT pDriverObject,//驱动对象 PUNICODE_STRING RegistryPath) { /*设置派遣函数*/ pDriverObject->MajorFunction[IRP_MJ_CREATE] = ddk_DispatchRoutine; pDriverObject->MajorFunction[IRP_MJ_CLOSE] = ddk_DispatchRoutine; pDriverObject->MajorFunction[IRP_MJ_READ] = ddk_DispatchRoutine; pDriverObject->MajorFunction[IRP_MJ_WRITE] = ddk_DispatchRoutine; pDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ddk_DispatchRoutine; /*设置卸载函数回调*/ pDriverObject->DriverUnload = Unload; //创建相应的设备 CreateMyDevice(pDriverObject); DbgPrint(("驱动成功加载\n")); return STATUS_SUCCESS; }