1
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 ...


2
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 ...


3
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 ...


4
Frank W Brice Jr, Charles W Gainey Jr, Beth Glendening, Marten J Halma, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Allan S Meritt, Ugochukwo Njoku Charles, Kenneth J Oakes, Charles E Shapley, John S Trotter, Leslie W Wyman, Harry M Yudenfriend: Sharing communications adapters across a plurality of input/output subsystem images. International Business Machines Corporation, Eugene I Shkurko Esq, Blanche E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, February 6, 2007: US07174550 (40 worldwide citation)

A communications adapter is shared by a plurality of input/output (I/O) subsystem images of an I/O subsystem of a central processing complex. To enable the sharing, the communications adapter is configured to a plurality of I/O paths of the plurality of I/O subsystem images. An I/O subsystem may hav ...


5
Frank W Brice Jr, Charles W Gainey Jr, Steven G Glassen, Marten J Halma, David W Hollar, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Michael G Melendy, Kenneth J Oakes, Charles E Shapley, Robert A Smith, John S Trotter, Leslie W Wyman, Harry M Yudenfriend: Method, system and program products for identifying communications adapters of a computing environment. International Business Machines Corporation, Eugene I Shkurko Esq, Blanche E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, October 31, 2006: US07130938 (39 worldwide citation)

An input/output subsystem of a computing environment 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 includes one or more communications adapters used for communicating within ...


6
Frank W Brice Jr, Janet R Easton, Charles W Gainey Jr, Steven G Glassen, Beth Glendening, Marten J Halma, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Allan S Meritt, Kenneth J Oakes, Charles E Shapley, John S Trotter, Leslie W Wyman, Harry M Yudenfriend: Multiple logical input/output subsystem facility. International Business Machines Corporation, Arthur Ortega Esq, Blanche E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, September 8, 2009: US07587531 (34 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 ...


7
Frank W Brice Jr, Janet R Easton, Charles W Gainey Jr, Steven G Glassen, Beth Glendening, Marten J Halma, Jeffrey P Kubala, Hans Helge Lehmann, Tan Lu, Allan S Meritt, Kenneth J Oakes, Charles E Shapley, John S Trotter, Leslie W Wyman, Harry M Yudenfriend: Multiple logical input/output subsystem facility. International Business Machines Corporation, John E Campbell, Blanche E Schiller Esq, Heslin Rothenberg Farley & Mesiti P C, October 30, 2007: US07290070 (8 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 ...


8
Michael Jung, Hans Helge Lehmann, Elke G Nass, Christoph Raisch: Configuration adaptation layer for mapping I/O device resources. International Business Machines Corporation, Matthew J Bussan, February 26, 2013: US08386659 (2 worldwide citation)

A configuration adaptation layer (CAL) for I/O devices such as I/O adapters is provided. This configuration adaptation layer (CAL) explicitly provides a mapping between adapter functions and adapter resources in a way such that it is senseable in-band by the computer system using the adapter, e.g., ...


9
Hans Helge Lehmann, Charles E Shapley, Robert A Smith: Method and system for flexible channel path identifier assignment. International Business Machines Corporation, Arthur J Samodovitz, Myron K Wyche, Connolly Bove Lodge & Hutz, August 31, 2004: US06785747 (1 worldwide citation)

A method and system for flexibly and efficiently assigning channel path identifiers (CHPIDs) used by operating system software in computer systems to identify the communication path to I/O devices via channels. To avoid wasted CHPIDs, which may be limited in number, CHPIDs are assigned only to chann ...


10
Eugene P Hefferon, Hans Helge Lehmann, William J Rooney, Harry M Yudenfriend: Determination of the degree of common usage for elements of a data processing system. International Business Machines Corporation, Floyd A Gonzalez, November 11, 2003: US06647515 (1 worldwide citation)

A method and apparatus for determining common usage of elements among at least two channels in a data processing system having an arbitrary hardware element hierarchy including multiple channel paths over which data is transmitted. An internally executed initialization program builds a bit mask for ...



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