The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2013
Filed:
Feb. 10, 2011
Daniel F. Casper, Poughkeepsie, NY (US);
Mark P. Bendyk, Hyde Park, NY (US);
John R. Flanagan, Poughkeepsie, NY (US);
Catherine C. Huang, Poughkeepsie, NY (US);
Matthew J. Kalos, Tucson, AZ (US);
Ugochukwu C. Njoku, Yonkers, NY (US);
Dale F. Riedy, Poughkeepsie, NY (US);
Gustav E. Sittmann, Webster Groves, MO (US);
Harry M. Yudenfriend, Poughkeepsie, NY (US);
Daniel F. Casper, Poughkeepsie, NY (US);
Mark P. Bendyk, Hyde Park, NY (US);
John R. Flanagan, Poughkeepsie, NY (US);
Catherine C. Huang, Poughkeepsie, NY (US);
Matthew J. Kalos, Tucson, AZ (US);
Ugochukwu C. Njoku, Yonkers, NY (US);
Dale F. Riedy, Poughkeepsie, NY (US);
Gustav E. Sittmann, Webster Groves, MO (US);
Harry M. Yudenfriend, Poughkeepsie, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
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 performing a method. The method includes receiving a control word for an I/O operation. The control word includes an indirect data address for data associated with the I/O operation. The indirect data address includes a starting location of a list of storage addresses that collectively specify the data, the list spans two or more non-contiguous storage locations. Data is gathered responsive to the list. The gathered data is transmitted to a control unit in the I/O processing system.