Multifunction option virtualization for single root I/O virtualization
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United States of America Patent
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Apr 28, 2020
Grant Date -
Sep 28, 2017
app pub date -
Mar 23, 2016
filing date -
Mar 23, 2016
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Abstract
Methods and systems for supporting multifunction virtualization within SR-IOV in a multi-partition virtualization system are described. One method includes instantiating a physical function of an I/O interface device within an interconnect partition of a multi-partition virtualization system implemented at least in part on the computing device, and instantiating a plurality of virtual functions within a guest partition of the multi-partition virtualization system, each of the plurality of virtual functions associated with a physical function. The method includes assigning a bus identifier, a device identifier, and a function identifier to each of the plurality of virtual functions, the plurality of virtual functions including a first virtual function associated with a first bus identifier and a first device identifier and a second virtual function associated with the first bus identifier and the first device identifier.
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