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US 2004/0167996 A1Published application
Computer system having a virtualized I/O device
OwnerAkihiro Takamura, Yoshio Mikiinventors
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Abstract
The subject of the present invention is to make an I/O device of a server computer available from a client computer. A hypervisor that stands between an OS and hardware carries out virtualization of the I/O device.
Claims8
A computer system having a virtualized I/O device, comprising:
- a client computer having a first hypervisor and a first OS operating on the first hypervisor;
- and
- a server computer having a second hypervisor, a second OS operating on the second hypervisor, and a physical I/O device, wherein
- said client computer and said server computer are connected via a network,
- said first hypervisor comprises:
- logical I/O device access detecting means for detecting a logical I/O device access, which is directed to said physical I/O device of said server computer;
- and
- virtual I/O client processing for transmitting to said server computer, via said network, a command to access said logical I/O device when said logical I/O device access is detected;
- and
- said second hypervisor comprises virtual I/O server processing for receiving said command via said network and for issuing a command to said physical I/O device.
7 more elements
Dependencies are inferred from the claim text.