CONFIG_IPMI_KCS_BMC (not configurable)

modulename: kcs_bmc.ko

configname: CONFIG_IPMI_KCS_BMC

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>IPMI_KCS_BMC
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/char/ipmi/kcs_bmc.c