- FreeBSD Device Drivers
- About the Technical Reviewer
- Foreword
- Acknowledgments
- Introduction
- 1. Building and Running Modules
- 2. Allocating Memory
- 3. Device Communication and Control
- 4. Thread Synchronization
- A Simple Synchronization Problem
- A More Complex Synchronization Problem
- Preventing Race Conditions
- Mutexes
- Mutex Management Routines
- Implementing Mutexes
- Shared/Exclusive Locks
- Shared/Exclusive Lock Management Routines
- Implementing Shared/Exclusive Locks
- Reader/Writer Locks
- Reader/Writer Lock Management Routines
- Condition Variables
- Condition Variable Management Routines
- General Guidelines
- Conclusion
- 5. Delaying Execution
- 6. Case Study: Virtual Null Modem
- 7. Newbus and Resource Allocation
- 8. Interrupt Handling
- 9. Case Study: Parallel Port Printer Driver
- Code Analysis
- lpt_identify Function
- lpt_probe Function
- lpt_detect Function
- lpt_port_test Function
- lpt_attach Function
- lpt_detach Function
- lpt_open Function
- lpt_read Function
- lpt_write Function
- lpt_intr Function
- lpt_timeout Function
- lpt_push_bytes Function
- lpt_close Function
- lpt_ioctl Function
- lpt_request_ppbus Function
- lpt_release_ppbus Function
- Conclusion
- Code Analysis
- 10. Managing and Using Resources
- 11. Case Study: Intelligent Platform Management Interface Driver
- 12. Direct Memory Access
- 13. Storage Drivers
- 14. Common Access Method
- 15. USB Drivers
- About USB Devices
- More About USB Devices
- USB Configuration Structures
- USB Transfers (in FreeBSD)
- USB Configuration Structure Management Routines
- USB Methods Structure
- Tying Everything Together
- ulpt_probe Function
- ulpt_attach Function
- ulpt_detach Function
- ulpt_open Function
- ulpt_reset Function
- unlpt_open Function
- ulpt_close Function
- ulpt_ioctl Function
- ulpt_watchdog Function
- ulpt_start_read Function
- ulpt_stop_read Function
- ulpt_start_write Function
- ulpt_stop_write Function
- ulpt_write_callback Function
- ulpt_read_callback Function
- ulpt_status_callback Function
- Conclusion
- 16. Network Drivers, Part 1: Data Structures
- 17. Network Drivers, Part 2: Packet Reception and Transmission
- References
- Index
- About the Author
- Colophon
- A. UPDATES
Welcome to FreeBSD Device Drivers! The goal of this book is to help you improve your understanding of device drivers under FreeBSD. By the time you finish this book, you should be able to build, configure, and manage your own FreeBSD device drivers.
This book covers FreeBSD version 8, the version recommended for production use as of this writing. Nonetheless, most of what you’ll learn will apply to earlier versions and should apply to later ones as well.
I wrote this book as a programmer, for programmers. As such, you’ll find a heavy focus on programming, not theory, and you’ll examine real device drivers (namely, ones that control hardware). Imagine trying to write a book without ever having read one. Inconceivable! The same thing goes for device drivers.
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