Interupt with DE0-nano-SoC

I have create a custum IP with Qsys in Quartus and I would like send a interrupt from this custum IP to the HPS with linux.
But I don’t hnow how my C program can received a interrupt.
Can you help me with example or documentation ?


I found in Internet:

How to configure Linux to receive IRQs from the FPGA?
A step-by-step guide for Altera Cyclone V SoC
Philémon Favrod
Supervisor: René Beuchat
March 14, 2016
Exploring the Arrow SoCKit Part X - Sending and Handling Interrupts