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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Mar 29, 2016
Grant Date -
Mar 21, 2013
app pub date -
Nov 13, 2012
filing date -
Jun 23, 2010
priority date (Note) -
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Abstract
Embodiments of the invention relate to non-standard input/output (I/O) adapters in a standardized I/O architecture. An aspect of the invention includes implementing non-standard I/O adapters in a standardized I/O architecture. A request is received at an I/O adapter from a requester to perform an operation on one of the I/O adapters. It is determined that the request is in a format other than a format supported by an I/O bus and that the requester requires a completion response for the request. The request is transformed into the format supported by the I/O bus, and is transmitted to the I/O adapter. The completion response is received from the I/O adapter, and includes an indicator that the request has been completed. The completion response is in the format supported by the I/O bus. The completion response is transmitted to the requester.
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