Logic for interfacing with Opal enabled SEDs

modulename: sed-opal.ko

configname: CONFIG_BLK_SED_OPAL

Linux Kernel Configuration
└─>Enable the block layer
└─>Logic for interfacing with Opal enabled SEDs
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Builds Logic for interfacing with Opal enabled controllers.
Enabling this option enables users to setup/unlock/lock
Locking ranges for SED devices using the Opal protocol.

source code:
block/sed-opal.c