Linux Kernel Programming Part 2 Char Device Drivers And Kernel Synchronization

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Linux Kernel Programming Part 2 Char Device Drivers And Kernel Synchronization

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Author : Kaiwan N Billimoria
language : en
Publisher: Packt Publishing Ltd
Release Date : 2021-03-19

Linux Kernel Programming Part 2 Char Device Drivers And Kernel Synchronization written by Kaiwan N Billimoria and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-19 with Computers categories.

Discover how to write high-quality character driver code, interface with userspace, work with chip memory, and gain an in-depth understanding of working with hardware interrupts and kernel synchronization Key FeaturesDelve into hardware interrupt handling, threaded IRQs, tasklets, softirqs, and understand which to use whenExplore powerful techniques to perform user-kernel interfacing, peripheral I/O and use kernel mechanismsWork with key kernel synchronization primitives to solve kernel concurrency issuesBook Description Linux Kernel Programming Part 2 - Char Device Drivers and Kernel Synchronization is an ideal companion guide to the Linux Kernel Programming book. This book provides a comprehensive introduction for those new to Linux device driver development and will have you up and running with writing misc class character device driver code (on the 5.4 LTS Linux kernel) in next to no time. You'll begin by learning how to write a simple and complete misc class character driver before interfacing your driver with user-mode processes via procfs, sysfs, debugfs, netlink sockets, and ioctl. You'll then find out how to work with hardware I/O memory. The book covers working with hardware interrupts in depth and helps you understand interrupt request (IRQ) allocation, threaded IRQ handlers, tasklets, and softirqs. You'll also explore the practical usage of useful kernel mechanisms, setting up delays, timers, kernel threads, and workqueues. Finally, you'll discover how to deal with the complexity of kernel synchronization with locking technologies (mutexes, spinlocks, and atomic/refcount operators), including more advanced topics such as cache effects, a primer on lock-free techniques, deadlock avoidance (with lockdep), and kernel lock debugging techniques. By the end of this Linux kernel book, you'll have learned the fundamentals of writing Linux character device driver code for real-world projects and products. What you will learnGet to grips with the basics of the modern Linux Device Model (LDM)Write a simple yet complete misc class character device driverPerform user-kernel interfacing using popular methodsUnderstand and handle hardware interrupts confidentlyPerform I/O on peripheral hardware chip memoryExplore kernel APIs to work with delays, timers, kthreads, and workqueuesUnderstand kernel concurrency issuesWork with key kernel synchronization primitives and discover how to detect and avoid deadlockWho this book is for An understanding of the topics covered in the Linux Kernel Programming book is highly recommended to make the most of this book. This book is for Linux programmers beginning to find their way with device driver development. Linux device driver developers looking to overcome frequent and common kernel/driver development issues, as well as perform common driver tasks such as user-kernel interfaces, performing peripheral I/O, handling hardware interrupts, and dealing with concurrency will benefit from this book. A basic understanding of Linux kernel internals (and common APIs), kernel module development, and C programming is required.

Linux Kernel Programming

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Author : KAIWAN. BILLIMORIA
language : en
Publisher: Packt Publishing
Release Date : 2023-09

Linux Kernel Programming written by KAIWAN. BILLIMORIA and has been published by Packt Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09 with Computers categories.

With this new edition, get to grips with Linux kernel development on the long-term 6.1 (S)LTS kernel in a hands-on way with the help of brilliant code examples.

Linux Kernel Debugging

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Author : Kaiwan N. Billimoria
language : en
Publisher: Packt Publishing Ltd
Release Date : 2022-08-05

Linux Kernel Debugging written by Kaiwan N. Billimoria and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-05 with Computers categories.

Effectively debug kernel modules, device drivers, and the kernel itself by gaining a solid understanding of powerful open source tools and advanced kernel debugging techniques Key Features Fully understand how to use a variety of kernel and module debugging tools and techniques using examples Learn to expertly interpret a kernel Oops and identify underlying defect(s) Use easy-to-look up tables and clear explanations of kernel-level defects to make this complex topic easy Book DescriptionThe Linux kernel is at the very core of arguably the world’s best production-quality OS. Debugging it, though, can be a complex endeavor. Linux Kernel Debugging is a comprehensive guide to learning all about advanced kernel debugging. This book covers many areas in-depth, such as instrumentation-based debugging techniques (printk and the dynamic debug framework), and shows you how to use Kprobes. Memory-related bugs tend to be a nightmare – two chapters are packed with tools and techniques devoted to debugging them. When the kernel gifts you an Oops, how exactly do you interpret it to be able to debug the underlying issue? We’ve got you covered. Concurrency tends to be an inherently complex topic, so a chapter on lock debugging will help you to learn precisely what data races are, including using KCSAN to detect them. Some thorny issues, both debug- and performance-wise, require detailed kernel-level tracing; you’ll learn to wield the impressive power of Ftrace and its frontends. You’ll also discover how to handle kernel lockups, hangs, and the dreaded kernel panic, as well as leverage the venerable GDB tool within the kernel (KGDB), along with much more. By the end of this book, you will have at your disposal a wide range of powerful kernel debugging tools and techniques, along with a keen sense of when to use which.What you will learn Explore instrumentation-based printk along with the powerful dynamic debug framework Use static and dynamic Kprobes to trap into kernel/module functions Catch kernel memory defects with KASAN, UBSAN, SLUB debug, and kmemleak Interpret an Oops in depth and precisely identify it s source location Understand data races and use KCSAN to catch evasive concurrency defects Leverage Ftrace and trace-cmd to trace the kernel flow in great detail Write a custom kernel panic handler and detect kernel lockups and hangs Use KGDB to single-step and debug kernel/module source code Who this book is for This book is for Linux kernel developers, module/driver authors, and testers interested in debugging and enhancing their Linux systems at the level of the kernel. System administrators who want to understand and debug the internal infrastructure of their Linux kernels will also find this book useful. A good grasp on C programming and the Linux command line is necessary. Some experience with kernel (module) development will help you follow along.

Linux Device Driver Development Cookbook

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Author : Rodolfo Giometti
language : en
Publisher: Packt Publishing Ltd
Release Date : 2019-05-31

Linux Device Driver Development Cookbook written by Rodolfo Giometti and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-31 with Computers categories.

Over 30 recipes to develop custom drivers for your embedded Linux applications Key Features Use kernel facilities to develop powerful drivers Learn core concepts for developing device drivers using a practical approach Program a custom character device to get access to kernel internals Book DescriptionLinux is a unified kernel that is widely used to develop embedded systems. As Linux has turned out to be one of the most popular operating systems worldwide, the interest in developing proprietary device drivers has also increased. Device drivers play a critical role in how the system performs and ensure that the device works in the manner intended. By exploring several examples on the development of character devices, the technique of managing a device tree, and how to use other kernel internals, such as interrupts, kernel timers, and wait queue, you’ll be able to add proper management for custom peripherals to your embedded system. You’ll begin by installing the Linux kernel and then configuring it. Once you have installed the system, you will learn to use different kernel features and character drivers. You will also cover interrupts in-depth and understand how you can manage them. Later, you will explore the kernel internals required for developing applications. As you approach the concluding chapters, you will learn to implement advanced character drivers and also discover how to write important Linux device drivers. By the end of this book, you will be equipped with the skills you need to write a custom character driver and kernel code according to your requirements.What you will learn Become familiar with the latest kernel releases (4.19/5.x) running on the ESPRESSOBin devkit, an ARM 64-bit machine Download, configure, modify, and build kernel sources Add and remove a device driver or a module from the kernel Understand how to implement character drivers to manage different kinds of computer peripherals Get well-versed with kernel helper functions and objects that can be used to build kernel applications Gain comprehensive insights into managing custom hardware with Linux from both the kernel and user space Who this book is for This book is for anyone who wants to develop their own Linux device drivers for embedded systems. Basic hands-on experience with the Linux operating system and embedded concepts is necessary.

Mastering Linux Kernel Development

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Author : Raghu Bharadwaj
language : en
Publisher: Packt Publishing Ltd
Release Date : 2017-10-11

Mastering Linux Kernel Development written by Raghu Bharadwaj and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-11 with Computers categories.

Explore Implementation of core kernel subsystems About This Book Master the design, components, and structures of core kernel subsystems Explore kernel programming interfaces and related algorithms under the hood Completely updated material for the 4.12.10 kernel Who This Book Is For If you are a kernel programmer with a knowledge of kernel APIs and are looking to build a comprehensive understanding, and eager to explore the implementation, of kernel subsystems, this book is for you. It sets out to unravel the underlying details of kernel APIs and data structures, piercing through the complex kernel layers and gives you the edge you need to take your skills to the next level. What You Will Learn Comprehend processes and fles—the core abstraction mechanisms of the Linux kernel that promote effective simplification and dynamism Decipher process scheduling and understand effective capacity utilization under general and real-time dispositions Simplify and learn more about process communication techniques through signals and IPC mechanisms Capture the rudiments of memory by grasping the key concepts and principles of physical and virtual memory management Take a sharp and precise look at all the key aspects of interrupt management and the clock subsystem Understand concurrent execution on SMP platforms through kernel synchronization and locking techniques In Detail Mastering Linux Kernel Development looks at the Linux kernel, its internal arrangement and design, and various core subsystems, helping you to gain significant understanding of this open source marvel. You will look at how the Linux kernel, which possesses a kind of collective intelligence thanks to its scores of contributors, remains so elegant owing to its great design. This book also looks at all the key kernel code, core data structures, functions, and macros, giving you a comprehensive foundation of the implementation details of the kernel's core services and mechanisms. You will also look at the Linux kernel as well-designed software, which gives us insights into software design in general that are easily scalable yet fundamentally strong and safe. By the end of this book, you will have considerable understanding of and appreciation for the Linux kernel. Style and approach Each chapter begins with the basic conceptual know-how for a subsystem and extends into the details of its implementation. We use appropriate code excerpts of critical routines and data structures for subsystems.

Mastering Linux Device Driver Development

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Author : John Madieu
language : en
Publisher: Packt Publishing Ltd
Release Date : 2021-01-08

Mastering Linux Device Driver Development written by John Madieu and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-08 with Computers categories.

Develop advanced Linux device drivers for embedded systems, mastering real-world frameworks like PCI, ALSA SoC, and V4L2 with practical code examples and debugging techniques Key Features Gain hands-on expertise with real Linux subsystems: PCI, ALSA SoC, V4L2, and power management Apply advanced techniques for kernel debugging, regmap API, and custom hardware integration Build robust drivers through step-by-step examples and practical engineering insights Book DescriptionLinux is one of the fastest-growing operating systems around the world, and in the last few years, the Linux kernel has evolved significantly to support a wide variety of embedded devices with its improved subsystems and a range of new features. With this book, you’ll find out how you can enhance your skills to write custom device drivers for your Linux operating system. Mastering Linux Device Driver Development provides complete coverage of kernel topics, including video and audio frameworks, that usually go unaddressed. You’ll work with some of the most complex and impactful Linux kernel frameworks, such as PCI, ALSA for SoC, and Video4Linux2, and discover expert tips and best practices along the way. In addition to this, you’ll understand how to make the most of frameworks such as NVMEM and Watchdog. Once you’ve got to grips with Linux kernel helpers, you’ll advance to working with special device types such as Multi-Function Devices (MFD) followed by video and audio device drivers. By the end of this book, you’ll be able to write feature-rich device drivers and integrate them with some of the most complex Linux kernel frameworks, including V4L2 and ALSA for SoC.What you will learn Explore and adopt Linux kernel helpers for locking, work deferral, and interrupt management Understand the Regmap subsystem to manage memory accesses and work with the IRQ subsystem Get to grips with the PCI subsystem and write reliable drivers for PCI devices Write full multimedia device drivers using ALSA SoC and the V4L2 framework Build power-aware device drivers using the kernel power management framework Find out how to get the most out of miscellaneous kernel subsystems such as NVMEM and Watchdog Who this book is for This book is for embedded developers, Linux system engineers, and advanced programmers seeking to master Linux device driver development for custom hardware and peripherals. Readers should have C programming experience and a basic grasp of kernel concepts. Ideal for those wanting practical, project-based guidance on leveraging frameworks such as PCI, ALSA SoC, V4L2, and power management to build production-grade drivers.

Wgs Linux Pro

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Author : WorkGroup Solutions, Incorporated
language : en
Publisher: Workgroup Solutions
Release Date : 1995-03

Wgs Linux Pro written by WorkGroup Solutions, Incorporated and has been published by Workgroup Solutions this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-03 with Computers categories.

This compendium includes the Linux Pro 6-CD set plus the "Linux Encyclopedia". The CD set contains additional programming tools, languages, software and games.

Linux Kernel Development

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Author : Robert Love
language : en
Publisher: Pearson Education
Release Date : 2010-06-22

Linux Kernel Development written by Robert Love and has been published by Pearson Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-22 with Computers categories.

Linux Kernel Development details the design and implementation of the Linux kernel, presenting the content in a manner that is beneficial to those writing and developing kernel code, as well as to programmers seeking to better understand the operating system and become more efficient and productive in their coding. The book details the major subsystems and features of the Linux kernel, including its design, implementation, and interfaces. It covers the Linux kernel with both a practical and theoretical eye, which should appeal to readers with a variety of interests and needs. The author, a core kernel developer, shares valuable knowledge and experience on the 2.6 Linux kernel. Specific topics covered include process management, scheduling, time management and timers, the system call interface, memory addressing, memory management, the page cache, the VFS, kernel synchronization, portability concerns, and debugging techniques. This book covers the most interesting features of the Linux 2.6 kernel, including the CFS scheduler, preemptive kernel, block I/O layer, and I/O schedulers. The third edition of Linux Kernel Development includes new and updated material throughout the book: An all-new chapter on kernel data structures Details on interrupt handlers and bottom halves Extended coverage of virtual memory and memory allocation Tips on debugging the Linux kernel In-depth coverage of kernel synchronization and locking Useful insight into submitting kernel patches and working with the Linux kernel community

Linux Device Drivers

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Author : Jonathan Corbet
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2005-02-07

Linux Device Drivers written by Jonathan Corbet and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-02-07 with Computers categories.

Device drivers literally drive everything you're interested in--disks, monitors, keyboards, modems--everything outside the computer chip and memory. And writing device drivers is one of the few areas of programming for the Linux operating system that calls for unique, Linux-specific knowledge. For years now, programmers have relied on the classic Linux Device Drivers from O'Reilly to master this critical subject. Now in its third edition, this bestselling guide provides all the information you'll need to write drivers for a wide range of devices.Over the years the book has helped countless programmers learn: how to support computer peripherals under the Linux operating system how to develop and write software for new hardware under Linux the basics of Linux operation even if they are not expecting to write a driver The new edition of Linux Device Drivers is better than ever. The book covers all the significant changes to Version 2.6 of the Linux kernel, which simplifies many activities, and contains subtle new features that can make a driver both more efficient and more flexible. Readers will find new chapters on important types of drivers not covered previously, such as consoles, USB drivers, and more.Best of all, you don't have to be a kernel hacker to understand and enjoy this book. All you need is an understanding of the C programming language and some background in Unix system calls. And for maximum ease-of-use, the book uses full-featured examples that you can compile and run without special hardware.Today Linux holds fast as the most rapidly growing segment of the computer market and continues to win over enthusiastic adherents in many application areas. With this increasing support, Linux is now absolutely mainstream, and viewed as a solid platform for embedded systems. If you're writing device drivers, you'll want this book. In fact, you'll wonder how drivers are ever written without it.

Linux Kernel Programming For System Engineers

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Author : Liam Byrne
language : en
Publisher: Independently Published
Release Date : 2025-10-12

Linux Kernel Programming For System Engineers written by Liam Byrne and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-10-12 with Computers categories.

Master the art of Linux kernel programming with this comprehensive, hands-on guide designed for system engineers and developers ready to work at the operating system's core. Linux Kernel Programming for System Engineers takes readers on a practical journey from setting up a secure development environment to contributing code to the Linux kernel community. This book demystifies kernel internals through clear explanations and real-world code examples. Starting with foundational concepts like kernel architecture and the separation between kernel space and user space, readers progress through essential topics including process management, memory management, device drivers, and system calls. Each chapter builds systematically on the previous one, creating a complete understanding of how Linux operates at its deepest level. What sets this book apart is its emphasis on practical, hands-on learning. Every concept is reinforced with working code examples that can be compiled, loaded, and tested in a safe virtual machine environment. Readers will write their first kernel module, implement device drivers, work with synchronization primitives, and master debugging techniques using tools like GDB and QEMU. The book covers critical topics often overlooked in other resources, including kernel data structures, interrupt handling, the Virtual File System, and performance optimization. Designed for system engineers, embedded developers, and programmers with C programming experience who want to advance their careers, this guide provides the knowledge needed to write production-quality kernel code. Whether the goal is to develop custom device drivers, optimize system performance for cloud infrastructure, or contribute to open-source projects, this book delivers the skills and confidence to succeed. The book follows the modern Linux kernel architecture and includes detailed coverage of loadable kernel modules, memory allocation strategies, concurrency and synchronization, networking internals, and security mechanisms. Extensive appendices provide quick-reference guides to essential kernel APIs and configuration options. Every chapter concludes with practical exercises that reinforce learning and build real-world skills. By the end of this comprehensive guide, readers will understand the Linux kernel from both theoretical and applied perspectives. They will be equipped to navigate the kernel source tree with confidence, write stable and efficient kernel code, debug complex issues, and participate in one of the most important open-source projects in computing history. This is the definitive resource for anyone serious about Linux kernel development in 2025 and beyond.