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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.
What: /sys/bus/platform/devices/dfl-fme.0/cache_size
Date: August 2019
KernelVersion: 5.4
Contact: Wu Hao <hao.wu@intel.com>
Description: Read-only. It returns cache size of this FPGA device.
What: /sys/bus/platform/devices/dfl-fme.0/fabric_version
Date: August 2019
KernelVersion: 5.4
Contact: Wu Hao <hao.wu@intel.com>
Description: Read-only. It returns fabric version of this FPGA device.
Userspace applications need this information to select
best data channels per different fabric design.
What: /sys/bus/platform/devices/dfl-fme.0/socket_id
Date: August 2019
KernelVersion: 5.4
Contact: Wu Hao <hao.wu@intel.com>
Description: Read-only. It returns socket_id to indicate which socket
this FPGA belongs to, only valid for integrated solution.
User only needs this information, in case standard numa node
can't provide correct information.
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