Arria® 10 and Cyclone® 10 GX Avalon® Streaming Interface for PCI Express* User Guide

ID 683647
Date 9/11/2024
Public
Document Table of Contents

11.1.7. Hot Plug Messages

Table 75.  Locked Transaction Message

Message

Root Port

Endpoint

Generated by

Comments

App Layer

Core

Core (with App Layer input)

Attention_indicator On

Transmit

Receive

No

Yes

No

Per the recommendations in the PCI Express Base Specification Revision , these messages are not transmitted to the Application Layer.

Attention_Indicator Blink

Transmit

Receive

No

Yes

No

Attention_indicator Off

Transmit

Receive

No

Yes

No

Power_Indicator On

Transmit

Receive

No

Yes

No

Power_Indicator Blink

Transmit

Receive

No

Yes

No

Power_Indicator Off

Transmit

Receive

No

Yes

No

Attention Button_Pressed (Endpoint only)

Receive

Transmit

No

No

Yes

N/A