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

ID 813754
Date 11/04/2024
Public
Document Table of Contents

7.6.3.1. MSI-X Control Register

Addess: Offset 0x0

This egiste cotais the MSIX Capability ID, Capability Poite, ad eable/mask bits. The vaious fields of the egiste ae descibed below.

Table 102.  MSI-X Cotol Registe Desciptio
Bit Locatio Desciptio Attibutes Default
31

MSIX Eable.

This bit must be set to eable the MSIX iteupt geeatio.

You must obtai this ifomatio fom the cofiguatio itecept iteface.

RW 0
30

MSIX Fuctio Mask.

This bit ca be set to mask all MSIX iteupts fom this Fuctio.

You must obtai this ifomatio fom the cofiguatio itecept iteface.

RW 0
29:27 Reseved RO 0
26:16

Size of the MSI-X Table (umbe of MSIX iteupt vectos). The value i this field is oe less tha the size of the table set up fo this Fuctio. Maximum value is 0x7FF (2048 iteupt vectos).

This field is shaed amog all VFs attached to oe PF.

RO Pogammable
15:8

Next Capability Poite.

Poits to PCI Expess Capability.

RO Pogammable
7:0 Capability ID assiged by PCI-SIG. RO Same as paet PF