This page gives an overview of Root Port and Endpoint driver for the controller for PSU PCI Express, which is available as part of Xilinx Vivado and SDK distribution.
Source path for the driver:https://github.com/Xilinx/embeddedsw/tree/release-2019.1/XilinxProcessorIPLib/drivers/pciepsuDriver source code is organized into different folders. Below diagram shows the pciepsu driver source organizationpciepsu
├── data: Driver tcl and MDD files. ├── examples: Reference application to show how to use the driver APIs and calling sequence└── src: Driver source files