Linux Device Driver Development Cookbook by Giometti, Rodolfo -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

Linux Device Driver Development Cookbook

About Packt

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Contributors

About the author About the reviewers Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Download the color images Conventions used

Kernel and logging messages File modifications Serial and network connections Other conventions

Sections

Getting ready How to do it… How it works… There's more… See also

Get in touch

Reviews

Installing the Development System

Technical requirements Setting up the host machine

Getting ready How to do it... See also

Working with the serial console

Getting ready How to do it... See also

Configuring and building the kernel

Getting ready How to do it... See also

Setting up the target machine

Getting ready How to do it...

Adding Debian files Adding the kernel Setting up the booting variables Setting up the networking

See also

Doing native compiling on foreign hardware

Getting ready How to do it...

Installing and configuring schroot Configuring the emulated OS

See also

A Peek Inside the Kernel

Technical requirements Adding custom code to the sources

Getting ready How to do it... How it works... See also

Using kernel messages

Getting ready How to do it... How it works... There's more...

Filtering kernel messages

See also

Working with kernel modules

Getting ready How to do it... How it works... See also

Using module parameters

Getting ready How to do it... How it works... See also

Working with Char Drivers

Technical requirements Creating the simplest char driver

Getting ready How to do it... How it works... There's more... See also

Exchanging data with a char driver

Getting ready How to do it... How it works... There's more... See also

Using the “Everything Is a File” abstraction

Getting ready How to do it... How it works...

Using the Device Tree

Technical requirements Using the device tree compiler and utilities

Getting ready How to do it... How it works... There's more...

Reverting a binary device tree into its source

See also

Getting application-specific data from a device tree

Getting ready How to do it... How it works... There's more... See also

Using a device tree to describe a character driver

Getting ready How to do it... How it works... There's more...

How device files are created in /dev

Downloading the firmware

Getting ready How to do it... How it works... There's more See also

Configuring CPU pins for specific peripherals

How to do it... How it works... See also

Managing Interrupts and Concurrency

Technical requirements Implementing an interrupt handler

Getting ready How to do it... How it works... There's more... See also

Deferring work

Getting ready How to do it...

Tasklets Workqueues

There's more...

Tasklets Workqueues

See also

Managing time with kernel timers

Getting ready How to do it... How it works... There's more...

Legacy kernel timers

See also

Waiting for an event

Getting ready How to do it...

Waitqueues Completions

How it works...

Waitqueues Completions

There's more...

Waitqueues Completions

See also

Performing atomic operations

Getting ready How to do it...

Mutexes Spinlocks

How it works...

Mutexes Spinlocks

There's more...

Mutexes Spinlocks The atomic data type

See also

Miscellaneous Kernel Internals

Technical requirements Using kernel data types

Getting ready How to do it... How it works... There's more... See also

Managing helper functions

Getting ready How to do it... There's more... See also

Dynamic memory allocation

How to do it... There's more... See also

Managing kernel linked lists

Getting ready How to do it... There's more... See also

Using kernel hash tables

Getting ready How to do it... There's more... See also

Getting access to I/O memory

Getting ready How to do it... How it works... See also

Spending time in the kernel

Getting ready How to do it... There's more... See also

Advanced Char Driver Operations

Technical requirements Going up and down within a file with lseek()

Getting ready How to do it... How it works... There's more... See also

Using ioctl() for custom commands

Getting ready How to do it... How it works... There's more... See also

Accessing I/O memory with mmap()

Getting ready How to do it... How it works... There's more... See also

Locking with the process context

How to do it... How it works... See also

Locking (and syncing) with the interrupt context

Getting ready How to do it... How it works... There's more... See also

Waiting for I/O operations with poll() and select()

Getting ready How to do it... There's more... See also

Managing asynchronous notifications with fasync()

Getting ready How to do it... There's more... See also

Additional Information: Working with Char Drivers

Exchanging data with a char driver

Additional Information: Using the Device Tree

Device tree internals Using the device tree compiler and utilities

Obtaining a source form of a running device tree Notes on the device tree utilities Getting application-specific data from a device tree

Using a device tree to describe a character driver

How to manage different device types How to add sysfs properties to devices

Configuring the CPU pins for specific peripherals

The Armada 3720 The i.MX7Dual The SAMA5D3

Using a device tree to describe a character driver

Additional Information: Managing Interrupts and Concurrency

Deferring work

The shared work queue The container_of() macro Notifiers

Kernel timers

Additional Information: Miscellaneous Kernel Internals

Dynamic memory allocation Kernel doubly linked lists Kernel hash tables Getting access to I/O memory Spending time in the kernel

Additional Information: Advanced Char Driver Operations

Technical requirements Going up and down within a file with lseek() Using ioctl() for custom commands Accessing I/O memory with mmap() Locking with the process context Waiting for I/O operations with poll() and select() Managing asynchronous notifications with fasync()

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