Command accumulation tool

Details Command accumulation tool Command accumulation tool

2007-12-25

2007-12-25

Sparks, Donald (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S005000

Reexamination Certificate

active

10869338

ABSTRACT:
A command accumulation tool, a testing tool for a queue, and a method, are provided, which, for example, may cause commands to accumulate in queue(s). In one embodiment, a testing tool comprises an I/O interface for connecting with a target having the queue(s); and an I/O interface for connecting with initiator(s). Trigger logic intercepts a predetermined response at the target I/O interface from a target to an initiator with respect to a command of the initiator, and asserts a trigger signal. Outbound logic responds to the trigger signal, providing a reject and retry response at the target I/O interface for the target with respect to the response from the target, whereby a timeout timer for the command of the initiator is stopped for the queue(s). The outbound logic additionally conducts flow control with respect to the target at the target I/O interface.

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patent: 2005/0034039 (2005-02-01), Prasadh et al.

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