1
Private Ugochukwu Njoku
Harry M Yudenfriend, Daniel F Casper, John R Flanagan, Matthew J Kalos, Dale F Riedy, Louis W Ricci, Roger G Hathorn, Gustav E Sittmann, Ugochukwu C Njoku, Catherine C Huang, Scott M Carlson: Cancel instruction and command for determining the state of an I/O operation. International Business Machines Corporation, Cantor Colburn, Steven Chiu, April 24, 2012: US08166206

The state of an input/output (I/O) operation is determined in an I/O processing system. A command is received from an I/O operating system at a channel subsystem for initiating the I/O operation, a time period is for completion of the I/O operation, and the command for initiating the I/O operation i ...


2
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 ...


3
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 ...


4
James Kraemer Ph.D.
Edward W Chencinski, James R Coon, John C Dayka, Steven G Glassen, Richard J Gusefski, Michael J Jordan, Marco Kraemer, Thomas B Mathias, Peter K Szwed, Garry J Sullivan, Klaus Werner: Integrated key server. International Business Machines Corporation, Cantor Colburn, Steven Chiu, November 12, 2013: US08582778

A computer program product for integrated key serving is provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method. The method includes using a smart card of two ...


5
Private
Susan K Candelaria, Scott M Carlson, John R Flanagan, Roger G Hathorn, Matthew J Kalos, Louis W Ricci, Dale F Riedy: Facilitating transport mode input/output operations between a channel subsystem and input/output devices. International Business Machines Corporation, Cantor Colburn, Steven Chiu, January 1, 2013: US08346978

A computer program product is configured for performing a method including: receiving at least one command message specifying an I/O operation at a control unit from a channel subsystem, the at least one command message including one or more device command words (DCWs) having a data count and a supp ...


6
Private
Susan K Candelaria, Scott M Carlson, Daniel F Casper, John R Flanagan, Roger G Hathorn, Matthew J Kalos, Louis W Ricci, Dale F Riedy, Harry M Yudenfriend: Facilitating transport mode input/output operations between a channel subsystem and input/output devices. International Business Machines Corporation, Cantor Colburn, Steven Chiu, January 14, 2014: US08631175

A method of performing an input/output operation includes: generating by a channel subsystem at least one command message including one or more device command words (DCWs), at least one DCW including a data count and a suppress-length indication (SLI) configured to instruct a control unit whether to ...


7
Private
Scott M Carlson, Daniel F Casper, John R Flanagan, Roger G Hathorn, Matthew J Kalos, Louis W Ricci, Dale F Riedy, Harry M Yudenfriend: Facilitating transport mode input/output operations between a channel subsystem and input/output devices. International Business Machines Corporation, Cantor Colburn, Steven Chiu, November 13, 2012: US08312176

A computer program product is provided for performing: sending, by a channel subsystem, a process login (PRLI) request message to the control unit that indicates whether the channel subsystem supports bi-directional data transfer; receiving a PRLI response message from the control unit that indicate ...


8
Private
Susan K Candelaria, Scott M Carlson, Daniel F Casper, John R Flanagan, Roger G Hathorn, Matthew J Kalos, Louis W Ricci, Dale F Riedy, Harry M Yudenfriend: Facilitating transport mode input/output operations between a channel subsystem and input/output devices. International Business Machines Corporation, Cantor Colburn, Steven Chiu, June 25, 2013: US08473641

A computer program product is configured for performing a method including: generating at least one command message by a channel subsystem of the host computer system, the at least one command message including one or more device command words (DCWs), wherein at least one DCW of the one or more DCWs ...


9
Private
Susan K Candelaria, Scott M Carlson, Daniel F Casper, John R Flanagan, Roger G Hathorn, Matthew J Kalos, Louis W Ricci, Dale F Riedy, Gustav E Sittmann III: Facilitating transport mode input/output operations between a channel subsystem and input/output devices. International Business Machines Corporation, Cantor Colburn, Steven Chiu, October 1, 2013: US08549185

A computer program product is provided for performing an input/output (I/O) processing operation at a host computer system. The computer program product is configured to perform: obtaining a transport command word (TCW) at a channel subsystem for an I/O operation, the TCW including an address of a t ...


10
Fu Chung Chang, Piyush Chaudhary, Jason E Goscinski, Jason S Houston, Steven J Martin: Third party, broadcast, multicast and conditional RDMA operations. International Business Machines Corporation, Steven Chiu Esq, Kevin P Radigan Esq, Heslin Rothenberg Farley & Mesti P C, May 31, 2011: US07953085 (27 worldwide citation)

In a multinode data processing system in which nodes exchange information over a network or through a switch, the mechanism which enables out-of-order data transfer via Remote Direct Memory Access (RDMA) also provides a corresponding ability to carry out broadcast operations, multicast operations, t ...



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