NVMe over Fabrics RDMA target support

modulename: nvmet-rdma.ko

configname: CONFIG_NVME_TARGET_RDMA

Linux Kernel Configuration
└─>Device Drivers
└─>NVMe over Fabrics RDMA target support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This enables the NVMe RDMA target support, which allows exporting NVMe
devices over RDMA.

If unsure, say N.

source code:
drivers/nvme/target/