LINUX设备驱动程序（影印版）（第三版） 下载 pdf 百度网盘 epub 免费 2025 电子书 mobi 在线

这本经典书籍目前已更新至第三版，对于那些希望在Linux操作系统下支持计算机外围设备、运行新硬件，或者仅仅对Linux内核普通编程感兴趣的人来说，它是本书籍。《Linux设备驱动程序》揭示了如何给大多数的设备编写驱动程序的信息，这些信息迄今仅通过口头或者隐晦的源代码注释被共享。

本书的作者是Linux社区的领导者。Jonathan Corbet是个不定期的内核开源项目参与者同时还是评价甚高的LWN.net新闻和信息站点的执行编辑。Alessandro Rubini是Linux代码的一个开源提供者同时也是活跃的意大利Linux社区的中心人物。Greg Kroah-Hartman目前是本书描述的USB、PCI和驱动核心子系统相关的内核代码维护者。

本书新版根据Linux内核2.6.10彻底更新。内核的这个版本更加合理化并简化了普通工作任务的几个方法，比如即插即用、通过sysfs文件系统和用户空间交互、标准总线上的多设备管理。

你不必是一个内核高手就可以理解并享受本书，所需要的只是C以及Unix系统调用方面的背景知识。在不需要特殊的硬件设备就能编译和运行的详细示例的指引下，你将学会如何给字符设备、块设备和网络接口编写驱动程序。PCI、USB和tty（终端）子系统都单列一章。本书为那些对操作系统的工作机制好奇的人提供了地址空间、异步事件和I/O等方面的阐述。

本书的主题包括：

* 字符设备、块设备、tty（终端）和网络驱动程序

* 驱动程序调试

* 中断

* 定时问题

* 内存管理和DMA

* 驱动模型和sysfs

* 热插拔设备

* 通用总线，包括SCSI、PCI、USB和IEEE1394（FireWire）的特殊要求。

Preface

1. An Introduction to Device Drivers

　　The Role of the Device Driver

　　Splitting the Kernel

　　Classes of Devices and Modules

　　Security Issues

　　Version Numbering

　　License Terms

　　Joining the Kernel Development Community

　　Overview of the Book

2. Building and Running Modules

　　Setting Up Your Test System

　　The Hello World Module

　　Kernel Modules Versus Applications

　　Compiling and Loading

　　The Kernel Symbol Table

　　Preliminaries

　　Initialization and Shutdown

　　Module Parameters

　　Doing It in User Space

　　Quick Reference

3. Char Drivers

　　The Design of scull

　　Major and Minor Numbers

　　Some Important Data Structures 49Char Device Registration

　　open and release

　　scull's Memory Usage

　　read and write

　　Playing with the New Devices

　　Quick Reference

4. Debugging Techniques

　　Debugging Support in the Kernel

　　Debugging by Printing

　　Debugging by Querying

　　Debugging by Watching

　　Debugging System Faults

　　Debuggers and Related Tools

5. Concurrency and Race Conditions

　　Pitfalls in scull

　　Concurrency and Its Management

　　Semaphores and Mutexes

　　Completions

　　Spinlocks

　　Locking Traps

　　Alternatives to Locking

　　Quick Reference

6. Advanced Char Driver Operations

　　ioctl

　　Blocking I/O

　　poll and select

　　Asynchronous Notification

　　Seeking a Device

　　Access Control on a Device File

　　Quick Reference

7. Time, Delays, and Deferred Work

　　Measuring Time Lapses

　　Knowing the Current Time

　　Delaying Execution

　　Kernel Timers

　　Tasklets

　　Workqueues

　　Quick Reference

8. Allocating Memory

9. Communicating with Hardware

10. Interrupt Handling

11. Data Types in the Kernel

12. PCI Drivers

13. USB Drivers

14. The Linux Device Model

15. Memory Mapping and DMA

16. Block Drivers

17. Network Drivers

18. TTY Drivers

Index

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GFP_ATOMIC

Used to allocate memory from interrupt handlers and other code outside of a process context. Never sleeps.

GFP_KERNEL

Normal allocation of kernel memory. May sleep.

struct gendisk is a dynamically allocated structure that requires special kernel

manipulation to be initialized; drivers cannot allocate the structure on their own.

Instead, you must call:

The minors argument should be the number of minor numbers this disk uses; note

that you cannot change the minors field later and expect things to work properly.

When a disk is no longer needed, it should be freed with:

A gendisk is a reference-counted structure (it contains a kobject). There are get_disk

and put_disk functions available to manipulate the reference count, but drivers

should never need to do that. Normally, the call to del_gendisk removes the final reference

to a gendisk, but there are no guarantees of that. Thus, it is possible that the

structure could continue to exist (and your methods could be called) after a call to

del_gendisk. If you delete the structure when there are no users (that is, after the final

release or in your module cleanup function), however, you can be sure that you will

not hear from it again.

Allocating a gendisk structure does not make the disk available to the system. To do

that, you must initialize the structure and call add_disk:

书籍介绍

本书揭示了如何给大多数的设备编写驱动程序的信息，这些信息迄今仅通过口头或者隐晦的源代码注释被共享。你不必是一个内核高手就可以理解并享受本书，所需要的只是C以及Unix系统调用方面的背景知识。在不需要特殊的硬件设备就能编译和运行的详细示例的指引下，你将学会如何给字符设备、块设备和网络接口编写驱动程序。PCI、USB和tty(终端)子系统都单列一章。本书为那些对操作系统的工作机制好奇的人提供了地址空间、异步事件和I／O等方面的阐述。