Enable OPAE on FPGA PCIe drivers

FPGA PCIe driver for PCIe-based Field-Programmable Gate Array (FPGA) solutions which implement the Device Feature List (DFL). This driver provides interfaces for user space applications to configure, enumerate, open and access FPGA accelerators on the FPGA DFL devices. additionally, it also enables system level management functions such as FPGA partial reconfiguration, power management, virtualization with DFL framework and DFL feature device drivers.

OPAE 1.3 release supports both FPGA Intel Linux driver as well as Linux FPGA DFL driver patch set1. Linux PCIe FPGA DFL driver supports Intel FPGA devices.

FPGA Upstream Linux driver source code available https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/fpga?h=v4.19.14

List of FPGA features enabled on different FPGA drivers

FPGA Features	OPAE/FPGA Intel driver	OPAE/FPGA DFL driver version 1
FPGA Device Enumeration	YES	YES
Memory map, FPGA control & status registers	YES	YES
Shared system memory	YES	YES
Low-latency notifications	YES	NO
Partial Reconfiguration	YES	NO
Assign /Release Accelerators to host interfaces	YES	NO
Metrics/Telemetry	YES	NO
FPGA Events	YES	NO

List of OPAE tools enabled on different FPGA drivers:

OPAE tool	OPAE/FPGA Intel driver	OPAE/FPGA DFL driver version 1
hello_fpga	YES	YES
fpgaconf	YES	NO
fpgad	YES	NO
fpgainfo	YES	NO
fpgametrics	YES	NO
hello_events	YES	NO
hssi_config	YES	NO
hssi_loopback	YES	NO
object_api	YES	NO
mmlink	YES	NO
bist_app	YES	NO
coreidle	YES	NO
discover_fpgas	YES	NO
fpga_dma_test	YES	NO
hello_cxxcore	YES	YES
ras	YES	NO
userclk	YES	NO
nlb0	YES	NO
nlb3	YES	NO
nlb7	YES	NO
packager	YES	YES