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:
May. 26, 2015
Filed:
Mar. 04, 2013
International Business Machines Corporation, Armonk, 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, III, Webster Groves, MO (US);
Harry M. Yudenfriend, Poughkeepsie, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
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 control unit in the I/O processing system. Gathering the data includes accessing entries of a list of storage addresses that collectively specifying the data. Based on an entry of the list comprising a not-set first flag and a corresponding first storage address, gathering data from a corresponding storage location, and based on an entry of the list comprising a set first flag and a corresponding second storage address, obtaining a next entry of the list from a second storage location.