5.3.1. Vendor Specific Capability Header Register - 2025-12-16

Agilex™ 7 Device Configuration via Protocol (CvP) Implementation User Guide

Version
23.1
Table 5.  Vendor Specific Capability Header Register (Byte Offset: 0xD00)
Bits Name Reset Value Access Description
[15:0] PCI Express® Extended Capability ID 0x000B RO PCIe® specification defined value for VSEC Capability ID.
[19:16] Version 0x1 RO PCIe® specification defined value for VSEC version.
[31:20] Next Capability Offset Variable RO Starting address of the next Capability Structure implemented, if any.