Data integrity verification in direct memory access (DMA) transfer
US12189471B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 18, 2023 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Oct 18, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an example, a method includes copying data between a source device and a destination device to form first copied data. The method also includes, responsive to completion of the copying, performing a verify-read operation. The verify-read operation includes determining a first checksum of the first copied data, copying the data between the source device and the destination device to form second copied data, determining a second checksum of the second copied data, comparing the first checksum to the second checksum to determine a comparison result, and determining a data integrity validation result based on the comparison result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.