Electrical computers and digital processing systems: memory – Address formation – Address mapping
Reexamination Certificate
2007-01-16
2009-11-03
Lane, Jack A (Department: 2185)
Electrical computers and digital processing systems: memory
Address formation
Address mapping
C711S207000
Reexamination Certificate
active
07613898
ABSTRACT:
In one embodiment, a system comprises one or more input/output (I/O) devices; an I/O memory management unit (IOMMU) coupled to receive memory requests sourced by the I/O devices and configured to provide address translation for the memory requests; and a virtual machine monitor (VMM) configured to manage one or more virtual machines on the system, wherein the VMM is configured to virtualize the IOMMU, providing one or more virtual IOMMUs for use by one or more virtual machines.
REFERENCES:
patent: 4550368 (1985-10-01), Bechtolsheim
patent: 5301287 (1994-04-01), Herrell et al.
patent: 5949436 (1999-09-01), Horan et al.
patent: 5987557 (1999-11-01), Ebrahim
patent: 6785886 (2004-08-01), Lim et al.
patent: 6886171 (2005-04-01), MacLeod
patent: 7191440 (2007-03-01), Cota-Robles et al.
patent: 2006/0075146 (2006-04-01), Schoinas et al.
patent: 2006/0190685 (2006-08-01), Arndt et al.
patent: 2006/0277348 (2006-12-01), Wooten
patent: 2008/0092148 (2008-04-01), Moertl et al.
patent: 2009/0144508 (2009-06-01), Freimuth et al.
Alsup Mitchell
Haertel Michael
Hummel Mark D.
Lueck Andrew W.
Strongin Geoffrey S.
GLOBALFOUNDRIES Inc.
Lane Jack A
Merkel Lawrence J.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
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