Arrangement for instigating work in a channel adapter based on received address information and stored context information
US6742075B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2001 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Jun 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A host channel adapter is configured for servicing a work notification, supplied by a host process to an assigned destination address accessable by the host channel adapter, based on matching the assigned destination address with a stored notification address from one of a plurality of queue pair context entries stored within the host channel adapter. The host channel adapter receives a queue pair context entry including a notification address, based on creation of a corresponding queue pair for a host process. The queue pair enables the host process to post a work descriptor and output a work notification to the host channel adapter by writing the work notification to an assigned destination address. The host channel adapter matches the assigned destination address with a stored notification address, and services the work descriptor based on the corresponding queue pair attributes specified in the identified queue pair context entry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.