KMDF 示例
目 录
1 简介 ..............................................................................................................................................4
2 WDF示例代码...............................................................................................................................4
2.1 按名称分类........................................................................................................................4
2.2 按设备分类........................................................................................................................4
2.3 KMDF和WDM示例的区别 ...............................................................................................5
2.4 使用宏.................................................................................................................................5
3 结构和概念...................................................................................................................................5
3.1 对象创建............................................................................................................................6
3.2 上下文区............................................................................................................................6
3.3 IO队列 ................................................................................................................................6
3.4 IO请求 ................................................................................................................................7
4 KMDF最小驱动 ............................................................................................................................7
4.1 DriverEntry .........................................................................................................................7
4.2 AddDevice...........................................................................................................................8
4.2.1 设备对象和上下文区.............................................................................................8
4.2.2 设备接口.................................................................................................................8
4.2.3 默认IO队列 ............................................................................................................9
4.3 读、写和IOCTL................................................................................................................9
5 KMDF无硬件驱动 ........................................................................................................................9
5.1 文件打开关闭.....................................................................................................................9
5.2 另外的属性.......................................................................................................................10
5.2.1 同步Scope..............................................................................................................10
5.2.2 IRQL ......................................................................................................................10
5.2.3 CleanUp .................................................................................................................10
5.2.4 设定设备对象属性...............................................................................................10
5.3 PnP和电源 ........................................................................................................................10
5.3.1 注册回调...............................................................................................................11
5.3.2 电源策略管理.......................................................................................................11
5.3.3 上电和下电的回调...............................................................................................12
5.3.4 Wake信号的回调...................................................................................................12
5.4 WMI..................................................................................................................................12
5.4.1 初始化WMI..........................................................................................................12
5.4.2 WMI实例事件的回调 ...........................................................................................12
5.4.3 触发WMI回调 ......................................................................................................12
6 KMDF硬件驱动 ..........................................................................................................................13
6.1 支持中断..........................................................................................................................13
6.1.1 创建中断对象.......................................................................................................13
6.1.2 中断使能和禁用...................................................................................................13
6.1.3 中断使能后和禁用前...........................................................................................13
6.1.4 处理中断...............................................................................................................14
6.1.5 中断的延期处理...................................................................................................14
6.2 映射资源..........................................................................................................................14
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