AMD Proposes An FPGA Subsystem User-Space Interface For Linux
Michael Larabel reports via Phoronix: AMD engineers are proposing an FPGA Subsystem User-Space Interface to overcome current limitations of the Linux kernel's FPGA manager subsystem. AMD-Xilinx engineers are proposing a new sysfs interface for the FPGA subsystem that allows for more user-space control over FPGAs. The suggested interface would handle FPGA configuration, driver probe/remove, bridges, Device Tree Overlay file support for re-programming an FPGA while the operating system is running, and other capabilities for user-space not currently presented by the mainline kernel. [...] This proposal from AMD hopes to standardize the FPGA subsystem user-space interface in a manner that is suitable for upstreaming into the mainline Linux kernel.

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