Linux Device Driver Training Institute in Bangalore

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LINUX COMBO COURSE

( Linux System Programming + Linux Device Driver )

Linux Device Driver Training in Bangalore

Linux Device Driver Training in Chennai

Course ID   :  DEC404

Duration     :  70 hours

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PART - I : LINUX SYSTEM PROGRAMMING

TARGET AUDIENCE

Experienced C programmers who want to learn key skills for creating applications and programs on Linux and UNIX programmers migrating their software to Linux. Also, Who want to learn how to develop device drivers for Linux systems.

OBJECTIVES

CPU and Kernel Architecture GCC - GNU Compiler Collection Building Software with Make The GNU C Library and System Calls Program Arguments and Environment Building Libraries Advanced Time Functions Process Management Memory Operations

Basic File Operations File Operations Communicating with Pipes Managing Signals Interprocess Communication (IPC) Programming with Threads Basic Network Programming Working with the Linux Community Debugging

PART - II : LINUX DEVICE DRIVERS & KERNEL INTERNALS

OBJECTIVES

Module Programming Device Driver Character Device Driver Intrrupt Handling Advanced File Operation Interacting with Devices

Direct Memory Access PCI Drivers USB Drivers Network Device Drivers Introduction to Block Device Drivers Debugging Techniques Other Issues

PREREQUISITS

• Experience in C programming
• Linux System Administration or equivalent UNIX or Linux workstation user skills for development
• Shell scripting in a UNIX or Linux environment
• Experience with text editors (vi, emacs)

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COURSE CONTENTS PART- I : LINUX SYSTEM PROGRAMMING

1. CPUs, Boards and OS Architecture Intro to CPU Micro Processor Micro Controller Bus Types General OS architecture 2. Ring Levels in CPU OS Types Kernel Types Virtualizations Types of Virtualization Hypervisors in Desktops and Embedded Systems Examples 3. GCC - GNU Compiler Collection GNU Compiler Collection History of GCC Four Stages of GCC Interrupting the Compiler Compiling a C Program Preprocessor Features Predefined Preprocessor Symbols Warnings and Extensions Optimization Linking 4. Program Execution and Stack Flow Compilation of Programs Intro to segments Program Execution and Analysis Stack movements 5. Building Software with Make Introducing make(1) How make Works Makefile Rule Syntax Example: Makefile First Steps Makefile Improved Implicit Rules Example: Simpler Is Better Makefile Variables Defining Variables Example: Makefile with Variables Automatic Variables Special Targets Defining Useful Phony Targets 6. The GNU C Library and System Calls Library Goals Library Standards GNU C Library - glibc Library Functions vs. System Calls Using System Calls Handling Errors with errno Making Sense of errno Using strace 7. Kernel Compilation and System call Compiling Kernel System call adding 8. Program Arguments and Environment Program Startup Using argc/argv Handling Options with getopt() Handling Options with getopt_long() Environment Manipulating the Environment Program Exit Registering Exit Handlers 9. Building Libraries Why Use Libraries? Static Versus Shared Static Library Benefits Shared Library Benefits Creating a Static Library Using Static Libraries Creating a Shared Library Using Shared Libraries Shared Library Management Library Locations ldconfig 10. Basic File Operations Stream vs. System Calls Opening/Closing Streams Stream Input/Output Functions Stream Status/Errors Stream File Positioning Stream Buffering Temporary/Scratch Files Opening/Closing File Descriptors File Descriptor I/O Repositioning File Descriptors Stream/File Descriptor Conversions cat using ANSI I/O cat using POSIX I/O 11. Process Management What a Process Is Process Relationships Create a Child Process Doing Something Else Related execve() Functions Wait For a Child More Precise Waiting Changing Priority/Nice Real Time Priority

12. Memory Operations Allocating/Freeing Memory Memory Alignment Locked Memory Memory Copy/Initialization Memory Comparison/Search 13. Communicating with Pipes Introduction to Pipes Standard I/O: popen()/pclose() Using popen()/pclose() System Call: pipe() Using pipe() Named Pipes Using Named Pipes For Further Reading 14. Managing Signals What Signals Are Blocking/Checking Signals Working with Signal Sets Example of Blocking Signals Handling Signals with sigaction() sigaction() Example Handling Signals with signal() Sending Signals Real-Time Signals 15. Interprocess Communication (IPC) Interprocess Communication (IPC) POSIX IPC Overview POSIX Shared Memory POSIX Semaphores POSIX Message Queues System V IPC Overview System V IPC Shared Memory System V IPC Semaphore Arrays System V IPC Message Queues 16. Programming with Threads Introducing Threaded Programming Applications Suited to Threads Building Threaded Programs Creating Threads Thread Identity Synchronizing by Joining Detaching Threads Stopping Threads Synchronizing with Mutexes Using Mutexes Read/Write Locks Conditional Variables Using Conditional Variables A Conditional Variable Gotcha For Further Reading 17. Advanced File Operations Directory Operations File System Operations Multiplexed I/O with select() Miscellaneous I/O Functions Memory Mapped I/O Using Memory Mapped I/O File Locking 18. Basic Network Programming Linux Networking Overview Getting Started with socket() Client Functions Specifying IPv4 Addresses Host Versus Network Byte Order Example TCP/IP Client Address Conversion Functions Using getaddrinfo() Server Functions Example TCP/IP Server Datagram Communication with UDP 19. Time Functions When Does Time Begin? Time Data Types Determining Real Time Converting time_t Converting tm Structure Process Time Time arithmetic Second Resolution Timers Fine-Grained Timers Real Time Clock (RTC) 20. Debugging What Is My Program Doing? Source Level Debugging Invoking gdb Getting Started with gdb Examining and Changing Memory Debuginfo Libraries Using gdb with a Running Process Using gdb to Autopsy a Crash Debugging Libraries - ElectricFence Debugging with valgrind Profiling for Performance

COURSE CONTENTS PART- II : LINUX DEVICE DRIVER & KERNEL INTERNALS

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1. Modules Kernel Coding Module Programming Module Dependency Module Parameters Passing 2. Character Device Drivers Device Drivers Device Driver Design Interacting with Character Device Drivers Interacting with Block Device Drivers Interacting with Network Interface Cards Device Nodes Character Device Drivers: Registration The Device Node Problem File Operations Defining File Operations Registering File Operations File I/O Conventions open close read write lseek 3. Kerel Synchronization methods Source of concurrency Kernel Synchronization techquiques atomic operations semapores mutex spin locks reach copy update memory barriers etc 4. Advanced File Operations IOCTLs IOCTL Conventions Implementing IOCTLs Lockless IOCTLs Sleeping Wait Queues Wait Queues Variations on wait_event() Sleeping in System Calls Multiplexed I/O Polling 5. Interrupt Handling Interrupt Context Handling Interrupts Interrupt Structures ISR Registration System Context Softirqs Deferred Activity: Tasklets Deferred Activity: Work Queues Custom Work Queues Example: Keyboard, Mouse 6. Interacting With Devices Device Interaction Managing Exclusive Access I/O Ports I/O Memory Buffers Accessing I/O Memory Buffers Userspace Drivers 7. Memory Management in Kernel Memory Initialization Memory Management page allocators slab allocator buddy allocator fragment and cache bootmem allocator kmalloc and kfree vmalloc

8. Direct Memory Access Managing DMA Initializing DMA Coherent Allocations Streaming DMA Mappings 9. Introduction to Block Device Drivers Block Devices I/O Scheduling Linux 2.6 Elevator Functions Block Device Driver Implementation Block Device Registration Block Device File Operations The gendisk structure Request Queues Initialization Example Handling Requests 10. PCI Drivers Peripheral Component Interconnect PCI Configuration Space PCI Driver Registration Registering PCI Drivers Driver Probe Function Initializing PCI devices Releasing a PCI Device Managing PCI Resources Accessing Configuration Space Listing PCI Devices 11. Network Device Drivers Networking Network Devices Network Device Callback Functions Network Driver Initialization Network Driver Transmission Queue Control Network Statistics Socket Buffers (Packets) Socket Buffer API Transmission Reception Example Implementations 12. Sysfs, procfs and Debugfs, probing , notifications sysfs intro sysfs entry procfs intro procfs entry debugfs intro debugfs entry probing techniques notifications techniques 13. USB Drivers ** The Universal Serial Bus USB Descriptors USB Transfer Types Linux USB Implementation USB Drivers USB Registration Initializing USB Interfaces USB Class Drivers USB Request Blocks Using USB request blocks Synchronous USB Requests More information

** If time permits or Extras

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NOTE :

** These sections may be considered in part or in whole as optional. They contain background reference material, specialized topics, or advanced subjects. The instructor may choose to cover or not cover them depending on classroom experience and time constraints.

LIST OF TRAININGS: Linux System Programming Development Training Linux Device Driver Development Training Linux Kernel Understanding and Development Linux Device Drivers and Kernel Internals Training Linux Network Device Driver Development Training Linux WiFi Device Drivers Training and Development Linux USB Device Driver Development

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