XEN SCSI backend driver

modulename: xen-scsiback.ko

configname: CONFIG_XEN_SCSI_BACKEND

Linux Kernel Configuration
└─>Device Drivers
└─>Xen driver support
└─>Generic Target Core Mod (TCM) and ConfigFS Infrastructure
└─>XEN SCSI backend driver
In linux kernel since version 3.18 (release Date: 2014-12-07)  
The SCSI backend driver allows the kernel to export its SCSI Devices
to other guests via a high-performance shared-memory interface.
Only needed for systems running as XEN driver domains (e.g. Dom0) and
if guests need generic access to SCSI devices.

source code: