Intel Acceleration Stack Quick Start Guide for Intel® Programmable Acceleration Card with Intel® Arria® 10 GX FPGA

ID 683633
Date 12/04/2020
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8. Running the OPAE in a Virtualized Environment

In SR-IOV mode, a host processor uses a physical function (PF) to access management functions. A virtual machine (VM) uses a virtual function (VF) to access the AFU.
Note: Partial reconfiguration (PR) is not available in this mode.
Figure 5.  OPAE Driver in SR-IOV Mode

You must complete all the steps in the Getting Started and Installing the OPAE Software chapters before you can set up a virtualized environment. An application running in a virtual machine that connects to a VF through OPAE cannot initiate partial reconfiguration. The permission table in the FME enforces this restriction. The permission table only allows partial reconfiguration through a PF. Consequently, you must load the AFU image on the host before continuing with the steps to create a virtualized environment.

Run the following command on the host to load the AFU image.
sudo fpgasupdate \
$OPAE_PLATFORM_ROOT/hw/samples/nlb_mode_0/bin/nlb_mode_0_unsigned.gbs

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