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Improved RAS in PCI, PCI-X and PCI-Express based systems -- particularly LPARed systems -- by prevention of peer to peer operations via a bit in the switch or bridge configuration space

IP.com Disclosure Number: IPCOM000033443D
Original Publication Date: 2004-Dec-10
Included in the Prior Art Database: 2004-Dec-10

Publishing Venue

IBM

Abstract

This article discusses methods of detecting and preventing peer-to-peer operations between peer I/O Adapters (IOAs) in PCI, PCI-X, and PCI Express based systems.