On Tue, Dec 10, 2024 at 10:37:29AM -0800, Yidong Zhang wrote: > This patchset introduces a new Linux Kernel Driver, versal-pci for AMD > Alevo Versal based PCIe Card. The driver is based on Linux fpga driver > framework. > > The AMD Alevo Versal based PCIe Card, including V70, is the first Alevo > production card leveraging AMD XDNA architecture with AI Engines. It is > designed for AI inference efficiency and is tuned for video analytics and > natural language processing applications [1]. > > This versal-pci driver provides services, including: > - leveraging linux firmware and FPGA framework to download management > firmware > - program additional bit-streams for AMD Xilinx specific hardware > - communicate with PCIe user function > - communicate with firmware running on the PCIe Card > - monitor device health > > The driver is licensed under GPL-2.0. > > The firmware and bit-streams are distributed as a closed binary, delivered > by AMD. Please see [1] for more information. > > [1] https://www.amd.com/en/products/accelerators/alveo/v70.html > > Refactor driver to address all comments from v1. > Changes since v1: > - Add driver architecture description. > - Change the driver name to versal-pci > - Remove unnecessary memcpy in versal-pci-comm-chan.c > - Keep mod_timer because we need single_threaded_queue with delayed_work. > - Change the "comms" to "comm_chan". > - Remove regmap, use base+offset directly. > - Add skeleton ops with on implementation (TODO) for fpga_manager in early > patch (0001) and add implementation in later patch(0004). > - Remove br_ops and FPGA region, no need. I never said FPGA region is no need. FPGA region is the essential for managing the reprogramming and re-enumeration. Thanks, Yilun
