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. 29, 2016
Filed:
Nov. 17, 2014
International Business Machines Corporation, Armonk, NY (US);
John R. Flanagan, Poughkeepsie, NY (US);
Daniel F. Casper, 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);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computer program product, 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 receiving, by a control unit, a command block configured to hold a plurality of commands including an input command and/or an output command, the plurality of commands specified by a transport command word (TCW) including a read indicator configured to indicate whether the I/O operation includes input data and a write indictor configured to indicate whether the I/O operation includes output data; based on the command block holding at least one output command, receiving the output data and executing the at least one output command; and based on the command block holding at least one input command, forwarding the input data to the channel subsystem for storage at a location specified by the TCW.