PCIe Ext Capability Header - 1.3 English

This register is used to identify the PCIe-XVC-VSEC added to a PCIe design. The fields and values in the PCIe Ext Capability Header are defined by PCI-SIG and are used to identify the format of the extended capability and provide a pointer to the next extended capability, if applicable. When used as a PCIe-XVC-VSEC, the appropriate PCIe ID fields should be evaluated prior to interpretation. These can include PCIe Vendor ID, PCIe Device ID, PCIe Revision ID, Subsystem Vendor ID, and Subsystem ID. The provided drivers specifically check for a PCIe Vendor ID that matches AMD (0x10EE) before interpreting this register. The following table describes the fields within this register.