Converting a message signaled interruption into an I/O adapter event notification
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United States of America Patent
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Dec 3, 2013
Grant Date -
Aug 30, 2012
app pub date -
May 2, 2012
filing date -
Jun 23, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
One or more message signaled interruption requests from one or more input/output (I/O) adapters are converted to I/O adapter event notifications. Each I/O adapter event notification includes the setting of one or more specific indicators in system memory and an interruption request, the first of which results in a pending I/O adapter interruption request. While a request for an I/O adapter interruption is pending, subsequent message signaled interruption requests are converted to I/O adapter event notifications, but do not result in additional requests for I/O adapter interruptions.
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