Back-off mechanism for a peripheral page request log
US9239804B2 · kind B2 · utility
39Cited by
3References
18Claims
0Family size
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Key dates
| Filing date | Oct 3, 2013 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | Oct 31, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method of managing requests from peripherals in a computer system are provided. In the system and method, an input/output memory management unit (IOMMU) receives a peripheral page request (PPR) from a peripheral. In response to a determination that a criterion regarding an available capacity of a PPR log is satisfied, a completion message is sent to the peripheral indicating that the PPR is complete and the PPR is discarded without queuing the PPR in the PPR log.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.