Interpreting I/O operation requests from pageable guests without host intervention
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United States of America Patent
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May 10, 2011
Grant Date -
Dec 29, 2005
app pub date -
May 27, 2004
filing date -
May 27, 2004
priority date (Note) -
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Abstract
Input/output (I/O) operation requests from pageable storage mode guests are interpreted without host intervention. In a pageable mode virtual environment, requests issued by pageable storage mode guests are processed by one or more processors of the environment absent intervention from one or more hosts of the environment. Processing of the requests includes manipulating, by at least one processor on behalf of the guests, buffer state information stored in host storage. The manipulating is performed via instructions initiated by the guests and processed by one or more of the processors.
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