Using an access key to protect and point to regions in windows for infiniband
US6578122B2 · kind B2 · utility
27Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Mar 2, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1475
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, system and program for controlling access to computer memory are provided. The present invention comprises receiving a work request from a user, wherein the work request comprises an index portion and a protection portion. The index portion of the work request is used to locate an element in an address translation and protection table. The protection portion of the work request is then compared with a protection key in the table element, and access to memory is granted only if the protection portion and protection key match.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.