Doorbell handling with priority processing function
US8375145B2 · kind B2 · utility
17Cited by
13References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2002 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | May 24, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/1605
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A network interface adapter provides a host processor with two complementary modes of submitting descriptors to be executed by the adapter: a normal mode, in which the host writes descriptors to a system memory and rings an assigned doorbell to notify the adapter; and a priority mode, in which the host writes the descriptor itself to a doorbell address of the adapter. In the priority mode, the adapter is relieved of the need to read the descriptor from the memory, and can thus begin execution as soon as it has resources available to do so.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.