Input/output (I/O) expansion response processing in a peripheral component interconnect express (PCIe) environment
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United States of America Patent
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Dec 1, 2015
Grant Date -
Mar 21, 2013
app pub date -
Nov 13, 2012
filing date -
Jun 23, 2010
priority date (Note) -
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Abstract
A system for implementing non-standard input/output (I/O) adapters in a standardized I/O architecture, comprising an I/O hub communicatively coupled to an I/O bus and a plurality of I/O adapters, the I/O hub including logic for implementing a method comprising receiving a request from a requester to perform an operation on one of the plurality of I/O adapters. The method further comprising determining that the request is in a format other than a format supported by the I/O bus, determining that the requester requires a completion response for the request, transforming the request into the format supported by the I/O bus, transmitting the request to the I/O adapter, receiving the completion response from the I/O adapter, the completion response comprising an indicator that the request has been completed, the completion response in the format supported by the I/O bus and transmitting the completion response to the requester.
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