实例介绍
【实例简介】Microsoft Windows驱动程序模型设计.pdf
【实例截图】windows驱动
【核心代码】
目录 献给................................................................................................................................................................................................................3 前言................................................................................................................................................................................................................4 致谢................................................................................................................................................................................................................5 目录................................................................................................................................................................................................................6 第一章：导言 ..............................................................................................................................................................................................15 操作系统概述 ..............................................................................................................................................................................................16 Windows 2000 概述...........................................................................................................................................................................16 Windows 98 概述................................................................................................................................................................................17 Windows 2000 驱动程序...........................................................................................................................................................................19 内核模式驱动程序的属性 ..................................................................................................................................................................19 • 可移植性 ..............................................................................................................................................................................19 • 可配置性 ..............................................................................................................................................................................20 • 可抢先性和可中断性 ..........................................................................................................................................................20 • 多处理器安全 ......................................................................................................................................................................20 • 基于对象 ..............................................................................................................................................................................20 • 包驱动 ..................................................................................................................................................................................21 • 异步 ......................................................................................................................................................................................21 WDM驱动程序模型 ............................................................................................................................................................................21 例子代码 ......................................................................................................................................................................................................23 随书光盘 ..............................................................................................................................................................................................23 关于创建例子驱动程序 ......................................................................................................................................................................24 GENERIC.SYS...................................................................................................................................................................................24 本书的结构 ..................................................................................................................................................................................................25 关于书中的错误 ..................................................................................................................................................................................25 其它资源 ......................................................................................................................................................................................................26 驱动程序开发书籍 ..............................................................................................................................................................................26 其它参考书籍 ......................................................................................................................................................................................26 杂志 ......................................................................................................................................................................................................26 新闻组 ..................................................................................................................................................................................................26 讲座 ......................................................................................................................................................................................................26 注意事项 ......................................................................................................................................................................................................27 第二章：WDM驱动程序的基本结构 ........................................................................................................................................................28 设备和驱动程序的层次结构 ......................................................................................................................................................................29 系统怎样装入驱动程序 ......................................................................................................................................................................30 递归枚举 ......................................................................................................................................................................................30 注册表的角色 ..............................................................................................................................................................................31 驱动程序装入顺序 ......................................................................................................................................................................35 设备对象之间如何关联 ..............................................................................................................................................................36 检查设备堆 ..................................................................................................................................................................................38 驱动程序对象 ......................................................................................................................................................................................39 设备对象 ..............................................................................................................................................................................................41 DriverEntry例程 ..........................................................................................................................................................................................45 DriverEntry概述 ..................................................................................................................................................................................45 DriverUnload例程...............................................................................................................................................................................46 驱动程序再初始化例程 ......................................................................................................................................................................47 AddDevice例程...........................................................................................................................................................................................48 创建设备对象 ......................................................................................................................................................................................48 为设备命名 ..........................................................................................................................................................................................49 符号连接 ......................................................................................................................................................................................50 应该命名设备对象吗？ ..............................................................................................................................................................52 设备名称 ......................................................................................................................................................................................53 设备接口 ......................................................................................................................................................................................53 其它全局性的设备初始化操作 ..........................................................................................................................................................57 初始化设备扩展 ..........................................................................................................................................................................57 初始化默认的DPC对象..............................................................................................................................................................58 设置缓冲区对齐掩码 ..................................................................................................................................................................59 其它对象 ......................................................................................................................................................................................59 初始化设备标志 ..........................................................................................................................................................................59 设置初始电源状态 ......................................................................................................................................................................60 建立设备堆 ..................................................................................................................................................................................60 清除DO_DEVICE_INITIALIZING标志.....................................................................................................................................60 Windows 98 兼容问题................................................................................................................................................................................61 DriverEntry调用上的不同 ..................................................................................................................................................................61 注册表组织的不同 ..............................................................................................................................................................................61 \??目录.................................................................................................................................................................................................61 未实现的设备类型 ..............................................................................................................................................................................61 第三章：基本编程技术 ..............................................................................................................................................................................62 内核模式编程环境 ......................................................................................................................................................................................63 使用标准运行时间库函数 ..................................................................................................................................................................63 注意侧效 ..............................................................................................................................................................................................64 错误处理 ......................................................................................................................................................................................................65 状态代码 ..............................................................................................................................................................................................65 结构化异常处理 ..................................................................................................................................................................................66 Try-Finally块................................................................................................................................................................................68 Try-Except块...............................................................................................................................................................................69 异常过滤表达式 ..........................................................................................................................................................................70 生成异常 ......................................................................................................................................................................................72 一些真实环境中的例子 ..............................................................................................................................................................72 Bug Checks.........................................................................................................................................................................................74 内存管理 ......................................................................................................................................................................................................76 用户模式地址空间与内核模式地址空间...........................................................................................................................................76 一页有多大？ ..............................................................................................................................................................................77 分页和非分页内存 ......................................................................................................................................................................77 编译时控制分页能力 ..................................................................................................................................................................78 运行时控制分页能力 ..................................................................................................................................................................79 堆分配符 ..............................................................................................................................................................................................81 释放内存块 ..................................................................................................................................................................................81 ExAllocatePoolWithTag .............................................................................................................................................................82 ExAllocatePool的其它形式........................................................................................................................................................82 链表 ......................................................................................................................................................................................................82 双链表 ..........................................................................................................................................................................................83 单链表 ..........................................................................................................................................................................................85 Lookaside(后援式)链表 .....................................................................................................................................................................86 字符串操作 ..................................................................................................................................................................................................89 分配和释放串缓冲区 ..................................................................................................................................................................90 Blob数据(大块数据)............................................................................................................................................................................90 其它编程技术 ..............................................................................................................................................................................................92 访问注册表 ..........................................................................................................................................................................................92 打开注册表键 ..............................................................................................................................................................................92 其它打开注册表键的方法 ..........................................................................................................................................................93 获取和设置注册表值 ..................................................................................................................................................................94 删除子键或键值 ..........................................................................................................................................................................95 枚举子键或键值 ..........................................................................................................................................................................95 访问文件 ..............................................................................................................................................................................................97 打开已存在文件然后读 ..............................................................................................................................................................97 创建或重写文件 ..........................................................................................................................................................................97 浮点运算 ..............................................................................................................................................................................................99 调试技巧 ..............................................................................................................................................................................................99 Windows 98 兼容问题..............................................................................................................................................................................101 第四章：同步 ............................................................................................................................................................................................102 一个原始的同步问题 ................................................................................................................................................................................103 中断请求级 ................................................................................................................................................................................................105 IRQL的变化.......................................................................................................................................................................................106 基本同步规则 ....................................................................................................................................................................................106 IRQL与线程优先级...........................................................................................................................................................................106 IRQL和分页.......................................................................................................................................................................................107 IRQL的隐含控制...............................................................................................................................................................................107 IRQL的明确控制...............................................................................................................................................................................107 自旋锁........................................................................................................................................................................................................109 使用自旋锁 ........................................................................................................................................................................................109 内核同步对象 ............................................................................................................................................................................................ 111 何时阻塞和怎样阻塞一个线程 ........................................................................................................................................................ 111 在单同步对象上等待 ........................................................................................................................................................................ 112 在多同步对象上等待 ........................................................................................................................................................................ 113 内核事件 ............................................................................................................................................................................................ 113 内核信号灯 ........................................................................................................................................................................................ 115 内核互斥对象 .................................................................................................................................................................................... 116 内核定时器 ........................................................................................................................................................................................ 117 通知定时器用起来象事件 ........................................................................................................................................................ 118 通知定时器与DPC例程............................................................................................................................................................ 118 同步定时器 ................................................................................................................................................................................ 119 周期性定时器 ............................................................................................................................................................................ 119 取消一个周期性定时器 ............................................................................................................................................................120 一个例子 ....................................................................................................................................................................................120 定时函数 ....................................................................................................................................................................................121 内核线程同步 ....................................................................................................................................................................................121 线程警惕和APC................................................................................................................................................................................122 APC与I/O请求...........................................................................................................................................................................122 如何指定Alertable和WaitMode参数.......................................................................................................................................123 其它内核模式同步要素 ............................................................................................................................................................................125 快速互斥对象 ....................................................................................................................................................................................125 互锁运算 ............................................................................................................................................................................................126 InterlockedXxx函数..................................................................................................................................................................127 ExInterlockedXxx函数..............................................................................................................................................................128 链表的互锁访问 ................................................................................................................................................................................129 初始化 ........................................................................................................................................................................................129 插入元素 ....................................................................................................................................................................................129 删除元素 ....................................................................................................................................................................................130 IRQL的限制...............................................................................................................................................................................130 第五章：I/O请求包...................................................................................................................................................................................132 数据结构 ....................................................................................................................................................................................................133 IRP结构..............................................................................................................................................................................................133 I/O堆栈...............................................................................................................................................................................................134 IRP处理的“标准模型”...............................................................................................................................................................................137 创建IRP..............................................................................................................................................................................................137 发往派遣例程 ....................................................................................................................................................................................138 派遣例程的职责 ................................................................................................................................................................................138 StartIo例程.........................................................................................................................................................................................139 中断服务例程 ....................................................................................................................................................................................140 DPC例程............................................................................................................................................................................................140 定制队列 ............................................................................................................................................................................................141 完成I/O请求...............................................................................................................................................................................................144 完成机制 ............................................................................................................................................................................................144 使用完成例程 ....................................................................................................................................................................................145 完成例程如何获得调用 ............................................................................................................................................................146 完成例程为什么要调用IoMarkIrpPending.............................................................................................................................147 向下级传递请求 ........................................................................................................................................................................................150 取消I/O请求...............................................................................................................................................................................................153 要是没有多任务就............................................................................................................................................................................153 同步化取消操作 ................................................................................................................................................................................153 情况 1：CPU A先获得自旋锁 .................................................................................................................................................157 情况 2：就在CPU A刚要获取自旋锁前CPU B获得了自旋锁 .............................................................................................157 情况 3：CPU B获得自旋锁两次.............................................................................................................................................158 清除相关的IRP..................................................................................................................................................................................158 管理自己的IRP..........................................................................................................................................................................................162 使用IoBuildSynchronousFsdRequest ...........................................................................................................................................162 清除 ............................................................................................................................................................................................163 取消同步IRP..............................................................................................................................................................................163 使用IoAllocateIrp ..............................................................................................................................................................................164 松散的结尾 ................................................................................................................................................................................................166 使用IoBuildDeviceIoControlRequest.............................................................................................................................................166 使用IoBuildAsynchronousFsdRequest .........................................................................................................................................166 设备对象指针从哪来？ ....................................................................................................................................................................167 第六章：即插即用 ....................................................................................................................................................................................169 IRP_MJ_PNP派遣函数............................................................................................................................................................................171 启动和停止设备 ........................................................................................................................................................................................173 前进和等待IRP..................................................................................................................................................................................173 提取资源分配信息 ............................................................................................................................................................................175 IRP_MN_STOP_DEVICE...............................................................................................................................................................176 IRP_MN_REMOVE_DEVICE.........................................................................................................................................................177 IRP_MN_SURPRISE_REMOVAL .................................................................................................................................................178 管理PnP状态转换.....................................................................................................................................................................................180 使用DEVQUEUE来排队和取消IRP ...............................................................................................................................................181 用DEVQUEUE排队PnP请求 ..........................................................................................................................................................183 启动设备 ....................................................................................................................................................................................183 可以停止设备吗？ ....................................................................................................................................................................184 当设备停止时 ............................................................................................................................................................................185 可以删除设备吗？ ....................................................................................................................................................................185 同步删除 ....................................................................................................................................................................................186 DEVQUEUE如何工作......................................................................................................................................................................190 初始化DEVQUEUE..................................................................................................................................................................190 停止队列 ....................................................................................................................................................................................191 排队IRP......................................................................................................................................................................................191 出队IRP......................................................................................................................................................................................192 取消IRP......................................................................................................................................................................................193 等待当前的IRP..........................................................................................................................................................................195 放弃请求 ....................................................................................................................................................................................195 其它配置功能 ............................................................................................................................................................................................197 过滤资源需求 ....................................................................................................................................................................................197 设备用途通知 ....................................................................................................................................................................................198 DeviceUsageTypePaging........................................................................................................................................................199 DeviceUsageTypeDumpFile...................................................................................................................................................199 DeviceUsageTypeHibernation................................................................................................................................................200 控制器和多功能设备 ........................................................................................................................................................................200 整体结构 ....................................................................................................................................................................................200 创建子设备对象 ........................................................................................................................................................................200 设备向PnP管理器告知自己含有子设备.................................................................................................................................202 以PDO角色处理PnP请求 ........................................................................................................................................................203 处理设备删除 ............................................................................................................................................................................206 处理IRP_MN_QUERY_ID请求...............................................................................................................................................206 处理IRP_MN_QUERY_DEVICE_RELATIONS请求............................................................................................................207 处理子设备资源 ........................................................................................................................................................................207 PnP通知.............................................................................................................................................................................................208 WM_DEVICECHANGE扩充...................................................................................................................................................208 何时关闭设备句柄 ....................................................................................................................................................................209 Windows 2000 的服务通知 .....................................................................................................................................................210 内核模式通知 ............................................................................................................................................................................210 定制通知 ....................................................................................................................................................................................213 Windows 98 兼容问题..............................................................................................................................................................................215 第七章：读写数据 ....................................................................................................................................................................................216 配置设备 ....................................................................................................................................................................................................217 寻址数据缓冲区 ........................................................................................................................................................................................219 指定缓冲方式 ....................................................................................................................................................................................219 Buffered方式 .............................................................................................................................................................................220 Direct方式..................................................................................................................................................................................220 Neither方式 ...............................................................................................................................................................................222 端口与寄存器 ............................................................................................................................................................................................223 端口资源 ............................................................................................................................................................................................224 内存资源 ............................................................................................................................................................................................225 响应中断 ....................................................................................................................................................................................................227 配置中断 ............................................................................................................................................................................................227 处理中断 ............................................................................................................................................................................................228 ISR中的编程限制......................................................................................................................................................................228 选择一个合适的上下文参数 ....................................................................................................................................................229 ISR的同步操作..........................................................................................................................................................................229 DPC....................................................................................................................................................................................................230 DPC调度....................................................................................................................................................................................232 定制DPC对象............................................................................................................................................................................232 一个中断驱动设备的例子 ................................................................................................................................................................233 初始化PCI42 .............................................................................................................................................................................233 启动一个读操作 ........................................................................................................................................................................234 处理中断 ....................................................................................................................................................................................236 测试PCI42 .................................................................................................................................................................................237 直接内存存取(DMA).................................................................................................................................................................................239 传输策略 ............................................................................................................................................................................................240 执行DMA传输 ...................................................................................................................................................................................241 使用分散/聚集表的传输 ...........................................................................................................................................................246 使用GetScatterGatherList.......................................................................................................................................................248 使用系统控制器的传输 ............................................................................................................................................................249 使用公用缓冲区 ................................................................................................................................................................................251 分配公用缓冲区 ........................................................................................................................................................................251 使用公用缓冲区的Slave模式DMA传输..................................................................................................................................252 使用公用缓冲区的总线主控模式DMA传输............................................................................................................................252 使用公用缓冲区的注意事项 ....................................................................................................................................................253 释放公用缓冲区 ........................................................................................................................................................................253 总线主控设备的一个例子 ................................................................................................................................................................253 在PKTDMA中处理中断............................................................................................................................................................254 测试PKTDMA............................................................................................................................................................................255 第八章：电源管理 ....................................................................................................................................................................................256 WDM电源管理模型 ..................................................................................................................................................................................257 WDM驱动程序的角色 ......................................................................................................................................................................257 设备电源状态与系统电源状态 ........................................................................................................................................................257 电源状态转换 ....................................................................................................................................................................................258 处理IRP_MJ_POWER请求.............................................................................................................................................................258 管理电源状态转换 ....................................................................................................................................................................................262 有限状态机概述 ................................................................................................................................................................................262 新IRP的初始化处理..........................................................................................................................................................................264 提升电源级别的系统电源IRP..........................................................................................................................................................266 处理失败 ....................................................................................................................................................................................268 映射系统状态为设备状态 ........................................................................................................................................................269 请求设备电源IRP......................................................................................................................................................................272 完成系统IRP..............................................................................................................................................................................273 降低电源级别的系统电源IRP..........................................................................................................................................................273 设备电源IRP......................................................................................................................................................................................276 设置更高级的设备电源状态 ....................................................................................................................................................278 查询更高级的设备电源状态 ....................................................................................................................................................280 设置更低级的设备电源状态 ....................................................................................................................................................281 查询更低级的设备电源状态 ....................................................................................................................................................283 其它电源管理细节 ....................................................................................................................................................................................286 在AddDevice中设置的标志.............................................................................................................................................................286 设备的唤醒特征 ................................................................................................................................................................................286 何时发出WAIT_WAKE.............................................................................................................................................................288 空闲检测 ............................................................................................................................................................................................288 指出自己没有处于空闲状态 ....................................................................................................................................................289 空闲超时的选择 ........................................................................................................................................................................289 从空闲状态中唤醒 ....................................................................................................................................................................290 用序列号优化状态改变 ....................................................................................................................................................................291 Windows 98 兼容问题..............................................................................................................................................................................292 DO_POWER_PAGABLE的重要性.................................................................................................................................................292 请求设备电源IRP..............................................................................................................................................................................292 PoCallDriver......................................................................................................................................................................................292 其它不同之处 ....................................................................................................................................................................................292 第九章：专门问题 ....................................................................................................................................................................................294 过滤器驱动程序 ........................................................................................................................................................................................295 DriverEntry例程 ................................................................................................................................................................................296 AddDevice例程.................................................................................................................................................................................297 派遣例程 ....................................................................................................................................................................................298 登记错误 ....................................................................................................................................................................................................301 创建错误登记包 ................................................................................................................................................................................302 创建消息文件 ....................................................................................................................................................................................303 I/O控制操作...............................................................................................................................................................................................306 DeviceIoControl API.........................................................................................................................................................................306 DeviceIoControl的同步和异步调用方式........................................................................................................................................307 定义I/O控制代码...............................................................................................................................................................................308 处理IRP_MJ_DEVICE_CONTROL ...............................................................................................................................................309 BUFFERED模式.......................................................................................................................................................................310 DIRECT模式 .............................................................................................................................................................................312 NEITHER模式...........................................................................................................................................................................312 内部I/O控制操作.......................................................................................................................................................................313 应用程序关注事件的通知 ................................................................................................................................................................315 使用异步IOCTL.........................................................................................................................................................................316 辅助例程的工作原理 ................................................................................................................................................................317 系统线程 ....................................................................................................................................................................................................320 系统线程的创建与终止 ....................................................................................................................................................................320 用系统线程循检设备 ........................................................................................................................................................................321 工作项........................................................................................................................................................................................................325 IoXxxWorkItem .................................................................................................................................................................................326 看门狗定时器 ............................................................................................................................................................................................327 Windows 98 兼容问题..............................................................................................................................................................................330 错误登记 ............................................................................................................................................................................................330 IOCTL与Windows 98 虚拟设备驱动程序......................................................................................................................................330 挂起IOCTL操作时的注意事项.........................................................................................................................................................330 等待系统线程结束 ............................................................................................................................................................................330 第十章：Windows管理诊断....................................................................................................................................................................331 WMI概念....................................................................................................................................................................................................332 一个规划例子 ....................................................................................................................................................................................332 WDM驱动程序与WMI ..............................................................................................................................................................................334 委托WMILIB处理IRP .......................................................................................................................................................................335 QueryRegInfo回调函数............................................................................................................................................................336 QueryDataBlock回调函数 .......................................................................................................................................................338 SetDataBlock回调函数 ............................................................................................................................................................339 SetDataItem回调函数 ..............................................................................................................................................................340 高级特征 ............................................................................................................................................................................................341 处理多实例 ................................................................................................................................................................................341 实例命名 ....................................................................................................................................................................................342 处理多类 ....................................................................................................................................................................................343 Expensive统计..........................................................................................................................................................................343 WMI事件....................................................................................................................................................................................344 WMI方法例程............................................................................................................................................................................345 标准数据块 ................................................................................................................................................................................346 标准控制 ....................................................................................................................................................................................347 用户模式程序与WMI ................................................................................................................................................................................348 COM是什么.......................................................................................................................................................................................348 接口是什么 ................................................................................................................................................................................348 对象的创建与销毁 ....................................................................................................................................................................349 访问WMI信息....................................................................................................................................................................................349 连接一个命名空间 ....................................................................................................................................................................350 枚举类实例 ................................................................................................................................................................................351 项目值的获取与设置 ................................................................................................................................................................352 接收事件通知 ............................................................................................................................................................................352 调用方法例程 ............................................................................................................................................................................353 Windows 98 兼容问题..............................................................................................................................................................................355 第十一章：USB总线................................................................................................................................................................................356 编程架构 ....................................................................................................................................................................................................357 设备层次 ............................................................................................................................................................................................357 高速和低速设备 ........................................................................................................................................................................357 电源 ............................................................................................................................................................................................357 设备中有什么？ ................................................................................................................................................................................358 信息流动 ............................................................................................................................................................................................359 信息打包 ....................................................................................................................................................................................360 端点的状态 ................................................................................................................................................................................361 控制传输 ....................................................................................................................................................................................361 批量传输 ....................................................................................................................................................................................364 中断传输 ....................................................................................................................................................................................365 等时传输 ....................................................................................................................................................................................365 描述符 ................................................................................................................................................................................................365 设备描述符 ................................................................................................................................................................................366 配置描述符 ................................................................................................................................................................................367 接口描述符 ................................................................................................................................................................................368 端点描述符 ................................................................................................................................................................................368 串描述符 ....................................................................................................................................................................................369 其它描述符 ................................................................................................................................................................................370 使用总线驱动程序 ....................................................................................................................................................................................370 初始化请求 ........................................................................................................................................................................................370 发送URB....................................................................................................................................................................................371 URB返回的状态........................................................................................................................................................................372 配置 ....................................................................................................................................................................................................373 读取配置描述符 ........................................................................................................................................................................373 选择配置 ....................................................................................................................................................................................375 寻找句柄 ....................................................................................................................................................................................379 关闭设备 ....................................................................................................................................................................................379 管理批量传输管道 ............................................................................................................................................................................379 错误恢复 ....................................................................................................................................................................................383 管理中断管道 ....................................................................................................................................................................................384 控制请求 ............................................................................................................................................................................................385 控制特征 ....................................................................................................................................................................................385 测定状态 ....................................................................................................................................................................................386 管理等时管道 ....................................................................................................................................................................................387 保留带宽 ....................................................................................................................................................................................387 初始化离散的等时传输 ............................................................................................................................................................390 获得可接受的性能 ....................................................................................................................................................................391 主IRP的取消处理......................................................................................................................................................................393 流等时传输 ................................................................................................................................................................................397 同步等时传输 ............................................................................................................................................................................397 第十二章：安装驱动程序 ........................................................................................................................................................................399 INF文件......................................................................................................................................................................................................400 Install段..............................................................................................................................................................................................402 定义Driver Service ...................................................................................................................................................................405 设备标识符 ........................................................................................................................................................................................405 PCI设备......................................................................................................................................................................................405 PCMCIA设备.............................................................................................................................................................................406 SCSI设备...................................................................................................................................................................................407 IDE设备......................................................................................................................................................................................408 ISAPNP设备..............................................................................................................................................................................408 USB设备....................................................................................................................................................................................409 1394 设备 ..................................................................................................................................................................................409 通用设备标识符 ........................................................................................................................................................................409 硬件键 ................................................................................................................................................................................................410 标准属性 ....................................................................................................................................................................................410 非标准属性 ................................................................................................................................................................................ 411 INF文件工具......................................................................................................................................................................................412 定义设备类 ................................................................................................................................................................................................412 属性页程序 ........................................................................................................................................................................................413 其它相关信息 ....................................................................................................................................................................................416 运行应用程序 ............................................................................................................................................................................................416 AutoLaunch服务...............................................................................................................................................................................416 触发AutoLaunch...............................................................................................................................................................................417 鸡和蛋的问题 ....................................................................................................................................................................................419 运行服务 ............................................................................................................................................................................................420 Windows 98 兼容问题..............................................................................................................................................................................421 属性页提供程序 ................................................................................................................................................................................421 注册表用法 ........................................................................................................................................................................................421 获得设备属性 ....................................................................................................................................................................................422 应用程序执行 ....................................................................................................................................................................................422 附录A：Windows 98 不兼容处理...........................................................................................................................................................423 为内核模式例程定义桩 ............................................................................................................................................................................424 版本兼容 ............................................................................................................................................................................................425 桩函数 ................................................................................................................................................................................................425 确定操作系统版本 ....................................................................................................................................................................................428 附录B：使用GENERIC.SYS ..................................................................................................................................................................429 附录C：使用WDMWIZ.AWX..................................................................................................................................................................430 基本驱动程序信息 ....................................................................................................................................................................................431 DeviceIoControl代码................................................................................................................................................................................433 I/O资源.......................................................................................................................................................................................................434 电源管理能力 ............................................................................................................................................................................................435 USB端点....................................................................................................................................................................................................436 WMI支持....................................................................................................................................................................................................438 INF文件参数..............................................................................................................................................................................................440 注意事项 ....................................................................................................................................................................................................441 关于作者 ....................................................................................................................................................................................................441 Walter Oney ........................................................................................................................................................................................441 译者............................................................................................................................................................................................................441 关于电子版 ................................................................................................................................................................................................441 你的信息源 ................................................................................................................................................................................442 关于本PDF电子档.....................................................................................................................................................................................442
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