Method and system for replicating schedules with regard to a host controller for virtualization
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United States of America Patent
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Oct 12, 2010
Grant Date -
Feb 22, 2007
app pub date -
Aug 19, 2005
filing date -
Aug 19, 2005
priority date (Note) -
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Abstract
According to one embodiment, USB device virtualization can be improved by giving virtual machines (VMs) direct access to USB devices with a combined hardware and software solution. One aspect is directed to including providing a set of PCI configuration registers and operational registers for each VM, providing an interrupt request line for each VM, and using a new schedule traversal algorithm for multiple schedules, including a fairness algorithm that prevents starvation of any VM's bulk traffic.
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