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LINUX BLOCK DEVICE DRIVER PROGRAMMING

PREREQUISITE : Advanced C and Linux Systems Programming

Embisyslabs is the Linux Device Drivers Training Institute conducts best Courses on Linux Block Device Driver. A block device generally requires fewer pins and can thus be placed in a smaller package than a word-addressed device. In addition, a block device interface to slower forms of memory, such as rotating media and NAND flash, is much easier to build than a word-addressed interface, and these slower forms of memory generally have a much larger capacity dollar-for-dollar than NOR flash..Courses on Weekend as well Weekdays in Bangalore Bengaluru India.

 

CH1: FUNDAMENTALS OF BLOCK DEVICE DRIVER

Block drivers Definitions.

Block drivers Registration.

Block device operations.

Linux Block I/O Layer

I/O Schedulers

Block Driver Data Structures and Methods

How to handle block devices

Hands-On Assignments

Lab1: Registering and unregistering a simple Block Driver to get Major number.

 

CH2: IMPLEMENTATION OF RAMDISK DEVIVE DRIVER

RAMDISK-based block device driver

Using the RAMDISK block device

Driver registration

Obtaining a gendisk object

Implement the driver’s methods

Request Queue & Handle the request queue

Hands-On Assignments

Lab1: Write a simple Block driver program to read (and/or write) from the node, using the standard I/O functions (open(), read(), write(), close() .After loading the module with insmod use this program to access the node.

Lab2: Mountable Read/Write Block Driver, Extend the previous exercise in order to put or create an ext3 or ex4 file system on your Block device.

Lab3: Write a program to implement a ram disk device and make it into many partition like systems Hard disk and perform read() , write() operation through block driver vertical.

 

CH3: UNDERSTANDING PARTITIONING OF BLOCK DEVICES

Partitioning a Block Device

Sector,Cylinder and Head

Structure of a generic MBR

Partition Table

The Bootstrap Code Area/Bootloader

MBR – Partition Table Entries

Boot Record Signature/Magic Number

Creating a RAM Block Device

Hands-On Assignments

Lab1: Write a program to implement a ram disk device and make it into many partition like systems Hard disk and perform read() , write() operation through block driver vertical.

 

 

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