Method, system and program product for differentiating between virtual hosts on bus transactions and associating allowable memory access for an input/output adapter that supports virtualization

摘要

A method, system and computer program product that allows a System Image within a multiple System Image Virtual Server to maintain isolation from the other system images while directly exposing a portion, or all, of its associated System Memory to a shared PCI Adapter without the need for each I/O operation to be analyzed and verified by a component trusted by the LPAR manager.