Free Download Character Device Drivers in deepLast updated 10/2020
MP4 |
Video: h264, 1920x1080 |
Audio: AAC, 44.1 KHz, 2 Ch
Language: English |
Duration: 4h 20m |
Size: 3.22 GB
Linux Kernel Programming - Character Device Drivers
Write character device driver from scratch
Understand the various file operations provided by character driver
RequirementsShould be able to write/compile/load/unload Hello World Linux Kernel Modules
DescriptionUpdated on Oct 10: Added s sectionWhat will you learn from this course?Introduction to character driversWhat is device number and device fileAllocating device number - statically and dynamicallyCreating device file - Manually(mknod) and automatically (udev)Registering character device and its file operation with KernelCopying data from user space to kernel space and vice versaUnderstanding the various structures - struct file and struct inodeImplementation of open, release, read, write, llseek, ioctl file operationsHow to create multiple device nodes and add support for private dataFlow of write system call from kernel system call entry point to driver write file operationsHandling all the error cases in ioctl implementationSending a signal to user space from kernel spaceVarious access control mechanisms and capabilitiesMisc DriverAPI's covered in this course:MAJORMINORMKDEVregister_chrdev_regionalloc_chrdev_regionclass_createdevice_createclass_destroydevice_destroyunregister_chrdev_regionimajoriminorcopy_from_usercopy_to_userput_userget_userprint_dev_tformat_dev_tstrnlen_usercontainer_ofaccess_okCommands used in this course:mknodudevadm monitor
Who this course is forDevelopers interested in learning Linux Kernel Programming
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