Arm Firmware Framework for Armv8-A

modulename: ffa-core.ko

and/or

ffa-module.ko

configname: CONFIG_ARM_FFA_TRANSPORT

Linux Kernel Configuration
└─>Device Drivers
└─>Firmware Drivers
└─>Arm Firmware Framework for Armv8-A
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This Firmware Framework(FF) for Arm A-profile processors describes
interfaces that standardize communication between the various
software images which includes communication between images in
the Secure world and Normal world. It also leverages the
virtualization extension to isolate software images provided
by an ecosystem of vendors from each other.

This driver provides interface for all the client drivers making
use of the features offered by ARM FF-A.

source code: