GTS AXI Streaming Intel® FPGA IP for PCI Express* User Guide

ID 813754
Date 5/15/2024
Public
Document Table of Contents

7.6.3.2. PCI Express* Device Capabilities Register

Address: Offset 0x4

This register advertises the capabilities of the Function.

Table 114.   PCI Express* Device Capabilities Register Description
Bit Location Description Attributes Default
2:0 Maximum Payload Size supported by the Function. Can be configured as 000 (128 bytes) or 001 (256 bytes). RO Same as parent PF
4:3 Reserved RO 0
5 Extended Tag Supported. RO Same as parent PF
8:6 Acceptable L0S latency. RO Same as parent PF
11:9 Acceptable L1 latency. RO Same as parent PF
14:12 Reserved RO Same as parent PF
15 Role-Based Error Reporting supported. RO Same as parent PF
17:16 Reserved RO Same as parent PF
27:18

Captured Slot Power Limit Value and Scale.

Optionally can be set to send same value as parent PF.

RO Same as parent PF
28

FLR Capable.

Indicates that the device has FLR capability.

RO Same as parent PF
31:29 Reserved RO Same as parent PF