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| Preface | |
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| An Introduction to the Linux Kernel | |
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| The Role of the Driver Writer | |
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| Splitting the Kernel | |
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| Classes of Devices and Modules | |
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| Security Issues | |
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| Version Numbering | |
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| License Terms | |
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| Overview of the Book | |
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| Building and Running Modules | |
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| Modules Versus Applications | |
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| Compiling and Loading | |
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| The Kernel Symbol Table | |
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| Initialization and Shutdown | |
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| Using Resources | |
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| Automatic and Manual Configuration | |
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| Doing It in User Space | |
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| Quick Reference | |
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| Char Drivers | |
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| The Design of scull | |
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| Major and Minor Numbers | |
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| File Operations | |
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| The file Structure | |
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| Open and Close | |
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| Scull's Memory Usage | |
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| Read and Write | |
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| Playing with the New Devices | |
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| Quick Reference | |
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| Debugging Techniques | |
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| Debugging by Printing | |
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| Debugging by Querying | |
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| Debugging by Watching | |
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| Debugging System Faults | |
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| Using a Debugger | |
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| Enhanced Char Driver Operations | |
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| ioctl | |
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| Blocking I/O | |
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| Select | |
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| Asynchronous Notification | |
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| Seeking a Device | |
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| Access Control on a Device File | |
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| Quick Reference | |
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| Flow of Time | |
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| Time Intervals in the Kernel | |
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| Knowing the Current Time | |
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| Delaying Execution | |
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| Task Queues | |
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| Kernel Timers | |
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| Quick Reference | |
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| Getting Hold of Memory | |
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| The Real Story of kmalloc | |
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| get_free_page and Friends | |
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| vmalloc and Friends | |
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| Playing Dirty | |
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| Quick Reference | |
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| Hardware Management | |
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| Using I/O Ports | |
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| Using the Parallel Port | |
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| Accessing Memory on Device Boards | |
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| Accessing the Text-Mode Video Buffer | |
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| Quick Reference | |
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| Interrupt Handling | |
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| Preparing the Parallel Port | |
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| Installing an Interrupt Handler | |
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| Implementing a Handler | |
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| Bottom Halves | |
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| Interrupt Sharing | |
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| Interrupt-Driven I/O | |
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| Race Conditions | |
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| Version Dependencies of IRQ Handling | |
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| Quick Reference | |
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| Judicious Use of Data Types | |
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| Use of Standard C Types | |
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| Assigning an Explicit Size to Data Items | |
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| Interface-Specific Types | |
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| Other Portability Issues | |
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| Quick Reference | |
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| Kerneld and Advanced Modularization | |
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| Loading Modules on Demand | |
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| Version Control in Modules | |
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| Persistent Storage Across Unload/Load | |
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| Quick Reference | |
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| Loading Block Drivers | |
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| Registering the Driver | |
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| The Header File blk.h | |
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| Handling Requests | |
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| How Mounting Works | |
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| The ioctl Method | |
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| Removable Devices | |
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| Partitionable Devices | |
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| Interrupt-Driven Block Drivers | |
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| Quick Reference | |
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| Mmap and DMA | |
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| Memory Management in Linux | |
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| The mmap Device Operation | |
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| Direct Memory Access | |
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| Quick Reference | |
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| Network Drivers | |
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| How snull Is Designed | |
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| Connecting to the Kernel | |
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| The device Structure in Detail | |
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| Opening and Closing | |
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| Packet Transmission | |
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| Packet Reception | |
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| Interrupt-Driven Operation | |
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| The Socket Buffers | |
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| Address Resolution | |
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| Load-Time Configuration | |
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| Run-Time Configuration | |
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| Custom ioctl Commands | |
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| Statistical Information | |
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| Multicasting | |
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| Quick Reference | |
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| Overview of Peripheral Buses | |
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| The PCI Interface | |
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| A Look Back: ISA | |
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| Other PC Buses | |
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| Sbus | |
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| Quick Reference | |
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| Physical Layout of the Kernel Source | |
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| Booting the Kernel | |
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| Before Booting | |
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| The Init Process | |
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| The kernel Directory | |
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| The mm Directory | |
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| The fs Directory | |
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| Networking | |
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| IPC and lib Functions | |
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| Drivers | |
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| Architecture Dependencies | |
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| Recent Developments | |
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| Modularization | |
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| File Operations | |
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| Accessing User Space | |
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| Task Queues | |
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| Interrupt Management | |
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| Bit Operations | |
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| Conversion Functions | |
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| vremap | |
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| Virtual Memory | |
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| Handling Kernel-Space Faults | |
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| Other Changes | |
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| Index | |