iSCSI Boot Firmware Table Attributes module

modulename: iscsi_ibft.ko

configname: CONFIG_ISCSI_IBFT

Linux Kernel Configuration
└─>Firmware Drivers
└─>ACPI (Advanced Configuration and Power Interface) Support
└─>iSCSI Boot Firmware Table Attributes module
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables support for detection and exposing of iSCSI
Boot Firmware Table (iBFT) via sysfs to userspace. If you wish to
detect iSCSI boot parameters dynamically during system boot, say Y.
Otherwise, say N.

source code: