Partially virtualizing an I/O device for use by virtual...

Details Partially virtualizing an I/O device for use by virtual... Partially virtualizing an I/O device for use by virtual...

2006-05-16

2009-11-03

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C711S006000

Reexamination Certificate

active

07613847

ABSTRACT:
A computer system comprises a physical computer and a virtual machine monitor executable on the physical computer and configured to create an emulation of at least one guest operating system adapted to control the physical computer. The computer system further comprises a host executable on the physical computer that manages physical resources coupled to the physical computer on behalf of the virtual machine monitor and the at least one guest operating system. The host is adapted to virtualize a Peripheral Component Interconnect (PCI) configuration address space whereby the at least one guest operating system controls PCI input/output (I/O) devices directly and in absence of I/O emulation.

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