linux device driver

Linux Device Drivers [email_address]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What is a device driver?

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Device Driver

Kernel Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Kernel Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Kernel Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are device drivers in Linux? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Linux Device Drivers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Kernel Modules Versus Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

User Space Versus Kernel Space ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

User program & Kernel interface

Device Driver Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Device Driver Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Device Driver Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Block Versus Character devices

Loadable Kernel Module (LKM) ,[object Object],[object Object],[object Object]

Types of LKM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic LKM (program) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

LKM Utilities cmd ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Common LKM util cmd ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

General implementation steps ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Read/write (I/O) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Polling mode ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Interrupt mode ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Device Driver Process I/O Device read device wake up process suspend process issue interrupt and read data issue read command Interrupt mode

Device special file ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Register and unregister device ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Register and unregister device ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

kernel functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

kernel functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pitfalls ,[object Object],[object Object],[object Object]

linux device driver

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linux device driver