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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
Block Driver Data Structures and Methods
How to handle block devices
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
Obtaining a gendisk object
Implement the driver’s methods
Request Queue & Handle the request queue
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
The Bootstrap Code Area/Bootloader
MBR – Partition Table Entries
Boot Record Signature/Magic Number
Creating a RAM Block Device
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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