NTB MSI Test Client

modulename: ntb_msi_test.ko

configname: CONFIG_NTB_MSI_TEST

Linux Kernel Configuration
└─>Device Drivers
└─>Non-Transparent Bridge support
└─>NTB MSI Test Client
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This tool demonstrates the use of the NTB MSI library to
send MSI interrupts between peers.

If unsure, say N.

source code:
drivers/ntb/test/ntb_msi_test.c