Selecting direct memory access engines in an adaptor input/output (I/O) requests received at the adaptor
US8904058B2 · kind B2 · utility
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5References
14Claims
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Key dates
| Filing date | May 27, 2011 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/5011
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a computer program product, system, and method for selecting Direct Memory Access (DMA) engines in an adaptor for processing Input/Output requests received at the adaptor. A determination is made of an assignment of a plurality of processors to the DMA engines, wherein each processor is assigned to use one of the DMA engines. I/O request related work for a received I/O request directed to the storage is processed by determining the DMA engine assigned to the processor processing the I/O request related work and accessing the determined DMA engine to perform the I/O related work.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.