MSI-X Mode - 4.4 English

UltraScale Devices Gen3 Integrated Block for PCI Express LogiCORE IP Product Guide (PG156)

Document ID
PG156
Release Date
2024-12-06
Version
4.4 English

The UltraScale Devices Gen3 Integrated Block for PCIe core optionally supports the MSI-X interrupt and its signaling, which is shown in the following figure. The MSI-X vector table and the MSI-X Pending Bit Array need to be implemented as part of the user logic, by claiming a BAR aperture.

Figure 1. MSI-X Mode