ST AHCI SATA support

modulename: ahci_st.ko

configname: CONFIG_AHCI_ST

Linux Kernel Configuration
└─>Device Drivers
└─>Serial ATA and Parallel ATA drivers (libata)
└─>ST AHCI SATA support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables support for ST AHCI SATA controller.

If unsure, say N.

source code:
drivers/ata/