1
Private Ugochukwu Njoku
John R Flanagan, Daniel F Casper, Catherine C Huang, Matthew J Kalos, Ugochukwu C Njoku, Dale F Riedy, Gustav E Sittmann: Bi-directional data transfer within a single I/O operation. International Business Machines Corporation, Cantor Colburn, John Campbell, May 10, 2011: US07941570 (49 worldwide citation)

An article of manufacture, apparatus, and a method for facilitating input/output (I/O) processing for an I/O operation at a host computer system configured for communication with a control unit. The method includes the host computer system obtaining a transport command word (TCW) for an I/O operatio ...


2
Private Ugochukwu Njoku
John R Flanagan, Daniel F Casper, Catherine C Huang, Matthew J Kalos, Ugochukwu C Njoku, Dale F Riedy, Gustav E Sittmann: Processing a variable length device command word at a control unit in an I/O processing system. International Business Machines Corporation, Cantor Colburn, John Campbell, November 23, 2010: US07840717 (44 worldwide citation)

A computer program product, apparatus and method for processing a variable length device command word (DCW) at a control unit configured for communication with an input/output (I/O) subsystem in an I/O processing system. The computer program product includes a tangible storage medium readable by a p ...


3
Private Ugochukwu Njoku
John R Flanagan, Daniel F Casper, Catherine C Huang, Matthew J Kalos, Ugochukwu C Njoku, Dale F Riedy, Gustav E Sittmann: Bi-directional data transfer within a single I/O operation. International Business Machines Corporation, Cantor Colburn, John Campbell, July 23, 2013: US08495253 (11 worldwide citation)

An article of manufacture, apparatus, and a method for facilitating input/output (I/O) processing for an I/O operation at a host computer system configured for communication with a control unit. The method includes the host computer system obtaining a transport command word (TCW) for an I/O operatio ...


4
Private 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, 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, John Campbell, March 5, 2013: US08392619 (1 worldwide citation)

Systems, methods and computer program products for providing indirect data addressing at an I/O subsystem of an I/O processing system. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for ...


5
Private 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, 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, John Campbell, February 15, 2011: US07890668 (1 worldwide citation)

Systems, methods and computer program products for providing indirect data addressing at an I/O subsystem of an I/O processing system. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for ...


6
Private Ugochukwu Njoku
John R Flanagan, Daniel F Casper, Matthew J Kalos, Dale F Riedy, Gustav E Sittmann, Ugochukwu C Njoku, Catherine C Huang: Providing indirect data addressing for a control block at a channel subsystem of an I/O processing system. International Business Machines Corporation, Cantor Colburn, John Campbell, August 20, 2013: US08516161

An computer program product, apparatus, and method for facilitating input/output (I/O) processing for an I/O operation at a host computer system configured for communication with a control unit. The computer program product includes a tangible storage medium readable by a processing circuit and stor ...


7
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 ...


8
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: Determining the state of an I/O operation. International Business Machines Corporation, Cantor Colburn, John Campbell, January 31, 2012: US08108570

A state of an input/output (I/O) operation in an I/O processing system is determined. A request for performing the I/O operation is received from an I/O operating system at a channel subsystem and forwarded to a control unit controlling an I/O device for executing the I/O operation. After a predeter ...


9
Private Ugochukwu Njoku
John R Flanagan, Daniel F Casper, Matthew J Kalos, Dale F Riedy, Gustav E Sittmann, Ugochukwu C Njoku, Catherine C Huang: Providing indirect data addressing for a control block at a channel subsystem of an I/O processing system. International Business Machines Corporation, Cantor Colburn, John Campbell, February 14, 2012: US08117347

An computer program product, apparatus, and method for facilitating input/output (I/O) processing for an I/O operation at a host computer system configured for communication with a control unit. The computer program product includes a tangible storage medium readable by a processing circuit and stor ...


10
Private Ugochukwu Njoku
Scott M Carlson, Daniel F Casper, John R Flanagan, Charles W Gainey, Roger G Hathorn, Catherine C Huang, Matthew J Kalos, Ugochukwu Charles Njoku, Louis C Ricci, Gustav E Sittmann: Exception condition handling at a channel subsystem in an I/O processing system. International Business Machines Corporation, Cantor Colburn, John Campbell, January 10, 2012: US08095847

A computer program product, apparatus, and method for handling exception condition feedback at a channel subsystem of an I/O processing system using data from a control unit are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing ins ...



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