Virtual PCI device apparatus and method
US6823418B2 · kind B2 · utility
66Cited by
15References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | Jan 10, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/105
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Virtual PCI bus appears from the perspective of a computer program to be a part of a physical hierarchical PCI bus structure residing behind a host-to-PCI bridge. Devices that are physically located on the host bus side of the host-to-PCI bridge may appear as virtual devices residing on the virtual PCI bus allowing the physical devices to participate in device independent initialization and system resource allocation generally available only to PCI compliant devices. Processor initiated host bus cycles targeted to the virtual PCI device may be intercepted and redirected to the physical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.