DMA descriptor management mechanism

Electrical computers and digital data processing systems: input/ – Input/output data processing – Direct memory accessing

Reexamination Certificate

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C710S052000

Reexamination Certificate

active

07664889

ABSTRACT:
A storage device is disclosed. The storage device includes a storage controller. The storage controller includes a direct memory access (DMA) Descriptor Manager (DM) to generate DMA descriptors by monitoring user data and a data integrity field (DIF) transferred between a host memory and a local memory based upon a function being performed.

REFERENCES:
patent: 4577314 (1986-03-01), Chu et al.
patent: 7185266 (2007-02-01), Blightman et al.
patent: 2003/0110325 (2003-06-01), Roach et al.
patent: 2006/0047904 (2006-03-01), Rohde et al.
patent: 2006/0136619 (2006-06-01), Edirisooriya et al.
Ayalasomayajula et al, “DIF (Data Integrity Field): Provides End-to-End Protection of User Data” White Paper, Aug. 31, 2004, Agilent Technologies Inc.

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