DEVICE TABLE IN SYSTEM MEMORY
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United States of America Patent
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app pub date -
Mar 11, 2016
filing date -
Mar 14, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments relate to an implementation of a device table in system memory to which a peripheral component interface (PCI) adapter is coupled via a host bridge. An aspect includes an access of the device table in the system memory by a switch coupled to the host bridge, management of a device table entry (DTE) cache in the host bridge for coherency for DTE configuration changes and maintenance of a usage count and an in-use count in the host bridge for each cached DTE.
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