Multi-channel memory access arbitration method and system

A method and system for allowing flexible control of access to a shared memory by multiple requesters. In a preferred embodiment, the invention arbitrates access to flash memory on a HBA between multiple host channels and HBA microprocessors, and eliminates contention possibilities for the flash dur...

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Bibliographische Detailangaben
Hauptverfasser: DUCKMAN DAVID JAMES, MILLER EDDIE, BUTLER JIM DONALD, HUYNH KHANH HUE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method and system for allowing flexible control of access to a shared memory by multiple requesters. In a preferred embodiment, the invention arbitrates access to flash memory on a HBA between multiple host channels and HBA microprocessors, and eliminates contention possibilities for the flash during write cycles by the allowing a grant to be locked for a period defined by the flash write protocol and timing.