Intel® Arria® 10 Avalon® Streaming with SR-IOV IP for PCIe* User Guide

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ID 683686
Date 1/11/2022
Public
Document Table of Contents

6.8. Advanced Error Reporting (AER) Enhanced Capability Header Register

Table 65.  AER Enhanced Capability Header Register -0x100

Bits

Register Description

Default Value

Default Value

Access

[15:0]

PCI Express Extended Capability ID.

0x0001

RO

[19:16]

Capability Version.

2

RO

[31:20]

Next Capability Pointer: If ARI is supported, points to the ARI Capability, 0x160. Otherwise, the following values are possible:

  • If PF0 has a maximum link speed of 8.0 GT/s: Next Capability = Secondary PCIe, 0x280.

  • if PF 0 has a maximum link speed of 2.5 or 5.0 GT/s and TPH Requester Capability: Next Capability = TPH Requester, 0x300.

  • If PF0 has a maximum link speed of 2.5 or 5.0 GT/s, with ATS Capability and no TPH Requester Capability : Next Capability = ATS, 0x3C0

  • PFs 1–3 with TPH Requester Capability: Next Capability = TPH Requester, 0x300.

  • PFs 1–3 with ATS Capability: Next Capability = ATS, 0x3C0.

  • All other cases: Next Capability = 0.

See description

RO

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