Patents by Inventor Juergen Erwin Maergner

Juergen Erwin Maergner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system for superimposing, creating and altering I/O applications and controls within an I/O subsystem by using an I/O subchannel intercept field
    Patent number: 5652914
    Abstract: An Internal I/O Facility (iIOF) having a general interface for executing I/O related applications in an Input/Ouput SubSystem (IOSS) of a computer system. IIOF applications are executed in the IOSS outside the scope of CPU applications executed under the operating system (OS) of the computer system. IIOF applications are allowed to use all facilities in the IOSS. An iIOF subchannel extension is provided for those subchannels which can execute an iIOF application. IIOF subchannel extensions contain interception control fields which determine if conventional processing for the subchannel by the IOSS is to be intercepted to execute an iIOF application. A front-end interception bit in a subchannel extension is used to initiate iIOF application execution when the subchannel is taken from the IOSS work request queue. A back-end interception bit in a subchannel extension is used to initiate iIOF application execution when the subchannel is to have status put on the IOSS interruption queue.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: July 29, 1997
    Assignee: International Business Machines Corporation
    Inventors: Wolfgang Eckert, Marten Jan Halma, Juergen Erwin Maergner, John Scott Trotter