Chained hybrid input/output memory management unit
US7548999B2 · kind B2 · utility
27Cited by
14References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Apr 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/404
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, an input/output (I/O) node comprises an I/O memory management unit (IOMMU) configured to translate memory requests. The I/O node is configured to couple to an interconnect and to operate as a tunnel on the interconnect, and wherein the IOMMU is configured translate memory requests passing through the tunnel in the upstream direction. In another embodiment, a system comprises another I/O node configured to bridge another interconnect to the interconnect, wherein the I/O node is the tunnel for the other I/O node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.