UIO kernel driver model

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Introduction

User I/O is a driver framework made to write the driver in userspace instead of kernel space.

iio

Kernel configuration

• Configure kernel with :

$ make linux-menuconfig

• then select :

device driver → 
<*> Userspace I/O drivers  --->
    <*>   Userspace I/O platform driver with generic IRQ handling
    <*>   Userspace platform driver with generic irq and dynamic memory

Links

• The Userspace I/O HOWTO kernel documentation
• By Corbet on LKML
• Katsuya MATSUBARA presentation(pdf)