Intel® Arria® 10 or Intel® Cyclone® 10 GX Avalon® Memory-Mapped (Avalon-MM) DMA Interface for PCI Express* Solutions User Guide

ID 683425
Date 6/03/2021
Public
Document Table of Contents

5.4. PCI Express Capability Structures

The layout of the most basic Capability Structures are provided below. Refer to the PCI Express Base Specification for more information about these registers.
Figure 21. MSI Capability Structure
Figure 22. MSI-X Capability Structure
Figure 23. Power Management Capability Structure - Byte Address Offsets and Layout
Figure 24. PCI Express AER Extended Capability Structure
Note: Refer to the Advanced Error Reporting Capability section for more details about the PCI Express AER Extended Capability Structure.
Figure 25. PCI Express Capability Structure - Byte Address Offsets and LayoutIn the following table showing the PCI Express Capability Structure, registers that are not applicable to a device are reserved.
Note: The Avalon-MM with DMA interface does not support Root Ports.