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Data Transfer between User and Kernel Space - English

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Outline:
Copy data from the kernel space to the user space and vice versa
read() and write() functions 
About uaccess.h file
Add the protocols of read() and write() functions 
About copy_from_user() function
About copy_to_user() function
User program to write and read data from a device
Executing the user program
Compile the driver and the user program
Display the output of data transfer
Width:908 Height:672
Duration:00:13:52 Size:7.5 MB

Show video info

Pre-requisite

Kernel Memory Allocation

  Assignment

Code files

  • CodeFile-DataTransfer/
  • CodeFile-DataTransfer/Makefile
  • CodeFile-DataTransfer/simple_driver.c
  • CodeFile-DataTransfer/user-read-write.c

Script

Slides

  • Slides_DataTransfer/
  • Slides_DataTransfer/10-Data-Transfer-between-user-and-kernel-space.tex
  • Slides_DataTransfer/st-logo.png
  • Slides_DataTransfer/fossee-logo.png
  • Slides_DataTransfer/10-Data-Transfer-between-user-and-kernel-space.pdf