IBM zEnterprise EC12 Technical Guide

Native Peripheral Component Interconnect Express (PCIe)

In this appendix, we introduce the concept of managing native Peripheral Component Interconnect Express (PCIe) features (10GbE Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) Express and zEnterprise Data Compression (zEDC) Express). The new concept requires the use of an integrated firmware processor (IFP) and Resource Groups (RGs) associated to the physical location of the feature cards. We describe how these features are implemented into the PCIe I/O structure of the IBM ...