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What:		/sys/bus/platform/devices/dfl-fme.0/ports_num
Date:		June 2018
KernelVersion:  4.19
Contact:	Wu Hao <hao.wu@intel.com>
Description:	Read-only. One DFL FPGA device may have more than 1
		port/Accelerator Function Unit (AFU). It returns the
		number of ports on the FPGA device when read it.

What:		/sys/bus/platform/devices/dfl-fme.0/bitstream_id
Date:		June 2018
KernelVersion:  4.19
Contact:	Wu Hao <hao.wu@intel.com>
Description:	Read-only. It returns Bitstream (static FPGA region)
		identifier number, which includes the detailed version
		and other information of this static FPGA region.

What:		/sys/bus/platform/devices/dfl-fme.0/bitstream_metadata
Date:		June 2018
KernelVersion:  4.19
Contact:	Wu Hao <hao.wu@intel.com>
Description:	Read-only. It returns Bitstream (static FPGA region) meta
		data, which includes the synthesis date, seed and other
		information of this static FPGA region.