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Ugochukwu Njoku
Ugochukwu Charles Njoku, Frank W Brice Jr, David Craddock, Richard K Errickson, Mark S Farrell, Charles W Gainey Jr, Donald W Schmidt, Gustav E Sittmann III: Virtualization of an I/O adapter port using enablement and activation functions. International Business Machines Corporation, Eugene I Shkurko, April 3, 2007: US07200704 (91 worldwide citation)

A method for configuring a communication port of a communications interface of an information handling system into a plurality of virtual ports. A first command is issued to obtain information indicating a number of images of virtual ports supportable by the communications interface. A second comman ...


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Ugochukwu Njoku
Ugochukwu Charles Njoku, Frank W Brice Jr, David Craddock, Richard K Errickson, Mark S Farrell, Charles W Gainey Jr, Donald W Schmidt, Gustav E Sittmann III: Information handling system with virtualized I/O adapter ports. International Business Machines Corporation, John E Campbell, October 20, 2009: US07606965 (41 worldwide citation)

A communication port of a communications interface of an information handling system comprises a plurality of virtual ports. A first command is issued to obtain information indicating a number of images of virtual ports supportable by the communications interface. A second command is then issued req ...


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Ugochukwu Njoku
Frank W Brice Jr, Janet R Easton, Charles W Gainey Jr, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Ugochukwu Njoku Charles, Kenneth J Oakes, Dale F Riedy Jr, Charles E Shapley, Gustav E Sittmann, Leslie W Wyman, Harry M Yudenfriend: Managing sets of input/output communications subadapters of an input/output subsystem. International Business Machines Corporation, Eugene I Shkurko Esq, Blanch E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, October 2, 2007: US07277968 (35 worldwide citation)

Input/output (I/O) communications subadapters, such as subchannels, of an I/O subsystem are dedicated to components, such as I/O devices, of the I/O subsystem. The subadapters provide information about the associated components, in response to the execution of I/O instructions. To enhance I/O connec ...


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Ugochukwu Njoku
Janet R Easton, Charles W Gainey Jr, Tan Lu, Ugochukwu C Njoku, Gustav E Sittmann III, Stephen G Wilkins, Frank W Brice Jr, Damian L Osisek, Donald W Schmidt: Demultiplexing grouped events into virtual event queues while in two levels of virtualization. International Business Machines Corporation, Cantor Colburn, Steven Chiu, May 31, 2011: US07954099 (4 worldwide citation)

A method, system, program product and computer data structure for providing for two levels of server virtualization. A first hypervisor enables multiple logical partitions to share a set of resources and provides a first level of virtualization. A second hypervisor enables multiple, independent virt ...


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Frank W Brice Jr, Joseph C Elliott, Kenneth J Fredericks, Robert E Galbraith, Marten J Halma, Roger E Hough, Suzanne M John, Paul A Malinowski, Allan S Meritt, Kenneth J Oakes, John C Rathjen Jr, Martin W Sachs, David E Stucki, Leslie W Wyman: Method and means for sharing I/O resources by a plurality of operating systems. International Business Machines Corporation, Bernard M Goldman, May 9, 1995: US05414851 (150 worldwide citation)

Provides a method for increasing the connectivity of I/O resources to a multiplicity of operating systems (OSs) running in different resource partitions of a computer electronic complex (CEC) to obtain sharing of the I/O resources among the OSs of the CEC, including channels, subchannels (devices), ...


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Frank W Brice Jr, Robert A Weingarten: Automatic feedback of network topology data. International Business Machines Corporation, Mark S Walker, J Dennis Moore, April 25, 1989: US04825206 (94 worldwide citation)

An automatic feedback mechanism in a communications network having dynamic routing. The invention detects the failure of an element in a route that is either in the process of being created or has been created and is being used. The invention provides a means for sending information as to the failur ...


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Frank W Brice Jr, Eugene P Hefferon, Casper A Scalzi, Richard P Tarcza: Method and system for providing a hardware machine function in a protected virtual machine. International Business Machines Corporation, Floyd A Gonzalez, Marc A Ehrlich, June 26, 2001: US06253224 (60 worldwide citation)

This invention describes a method and system for virtualizing an internal capability of a computing system; specifically, the invention describes a method and system for establishing a virtual machine containing a programmed hardware-machine function that is normally executed natively as proprietary ...


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Frank W Brice Jr, Eugene P Hefferon, Casper A Scalzi, Richard P Tarcza: Method and system for providing a hardware machine function in a protected virtual machine. International Business Machines Corporation, Marc A Ehrlich, Floyd A Gonzalez, January 20, 2004: US06681238 (53 worldwide citation)

This invention describes a method and system for virtualizing an internal capability of a computing system; specifically, the invention describes a method and system for establishing a virtual machine containing a programmed hardware-machine function that is normally executed natively as proprietary ...


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Frank W Brice Jr, Scott M Carlson, Janet R Easton, Charles W Gainey Jr, Marten J Halma, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Kenneth J Oakes, Charles E Shapley, Leslie W Wyman, Harry M Yudenfriend: Method, system and program products for enhancing input/output processing for operating system images of a computing environment. International Business Machines Corporation, Eugene I Shkurko Esq, Blanche E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, February 7, 2006: US06996638 (50 worldwide citation)

An input/output subsystem is configured as a plurality of input/output subsystem images, each of which appears to a program as an independent input/output subsystem. An input/output subsystem image is identified by an input/output subsystem image identifier, which is used by various programs to desi ...



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