21
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 ...


22
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 ...


23
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 ...


24
Ugochukwu Njoku
Daniel F Casper, Mark P Bendyk, John R Flanagan, Catherine C Huang, Matthew J Kalos, Ugochukwu C Njoku, Dale F Riedy, Gustav E Sittmann III, Harry M Yudenfriend: Providing indirect data addressing in an input/output processing system where the indirect data address list is non-contiguous. International Business Machines Corporation, Cantor Colburn, Steven Chiu, May 26, 2015: US09043494 (1 worldwide citation)

A method includes configuring a processing circuit to perform: receiving a control word for an I/O operation, forwarding a transport command control block (TCCB) from the channel subsystem to a control unit, gathering data associated with the I/O operation, and transmitting the gathered data to the ...


25
Ugochukwu Njoku
Ugochukwu Charles Njoku, Frank W Brice, David Craddock, Richard K Errickson, Mark S Farrell, Charles W Gainey, Donald W Schmidt, Gustav E Sittmann: Information handling system with virtualized i/o adapter ports. International Business Machines Corporation, International Business Machines Corporation, June 21, 2007: US20070140266-A1

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 ...


26
Ugochukwu Njoku
Ugochukwu Charles Njoku, Frank W Brice, David Craddock, Richard K Errickson, Mark S Farrell, Charles W Gainey, Donald W Schmidt, Gustav E Sittmann: Virtualization of an I/O adapter port using enablement and activation functions. International Business Machines Corporation, October 12, 2006: US20060230219-A1

A method is provided 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 s ...


27
Ugochukwu Njoku
Frank W Brice, Janet R Easton, Charles W Gainey, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Ugochukwu Njoku Charles, Kenneth J Oakes, Dale F Riedy, 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, Heslin Rothenberg Farley & Mesiti PC, July 28, 2005: US20050165969-A1

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 ...


28
Ugochukwu Njoku
Janet R Easton, Charles W Gainey, Tan Lu, Ugochukwu C Njoku, Gustav E Sittmann, Stephen G Wilkins, Frank W Brice, Damian L Osisek, Donald W Schmidt: Virtualization of infiniband host channel adapter interruptions. International Business Machines Corporation, Eugene I Shkurko, IBM Corp Intellectual Property Law, November 22, 2007: US20070271559-A1

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 ...


29
Ugochukwu Njoku
Frank W Brice, Charles W Gainey, Marten J Halma, Eugene P Hefferon, Carol B Hernandez, Jeffrey P Kubala, Tan Lu, Ugochukwu Njoku Charles, Kenneth J Oakes, Dale F Riedy, Charles E Shapley, Gustav E Sittmann, Leslie W Wyman, Harry M Yudenfriend: Managing input/output subsystem images of an input/output subsystem. International Business Machines Corporation, Heslin Rothenberg Farley & Mesiti PC, November 18, 2004: US20040230783-A1

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. One or more input/output subsystem images of the plurality of input/output subsystem images are managed. An aspect of this management ...


30
Private
Louis W Ricci, Mark P Bendyk, Scott M Carlson, Daniel F Casper, John R Flanagan, Roger G Hathorn, Catherine C Huang, Matthew J Kalos, Gustav E Sittmann, Harry M Yudenfriend: Processing of data to suspend operations in an input/output processing log-out system. International Business Machines Corporation, Cantor Colburn, John Campbell, November 23, 2010: US07840718 (44 worldwide citation)

A computer program product, an apparatus, and a method for processing communications between a control unit and a channel subsystem in an input/output processing system are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing instruct ...



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