$ sudo modinfo g_mass_storage
filename:       
/lib/modules/3.16.82+/kernel/drivers/usb/gadget/g_mass_storage.ko
license:        GPL
author:         Michal Nazarewicz
description:    Mass Storage Gadget
depends:        usb_f_mass_storage,libcomposite
intree:         Y
vermagic:       3.16.82+ SMP preempt mod_unload aarch64
parm:           idVendor:USB Vendor ID (ushort)
parm:           idProduct:USB Product ID (ushort)
parm:           bcdDevice:USB Device version (BCD) (ushort)
parm:           iSerialNumber:SerialNumber string (charp)
parm:           iManufacturer:USB Manufacturer string (charp)
parm:           iProduct:USB Product string (charp)
parm:           file:names of backing files or devices (array of charp)
parm:           ro:true to force read-only (array of bool)
parm:           removable:true to simulate removable media (array of 
bool)
parm:           cdrom:true to simulate CD-ROM instead of disk (array of 
bool)
parm:           nofua:true to ignore SCSI WRITE(10,12) FUA bit (array of 
bool)
parm:           luns:number of LUNs (uint)
parm:           stall:false to prevent bulk stalls (bool)