Buffer reservation method for a bus bridge system

Details Buffer reservation method for a bus bridge system Buffer reservation method for a bus bridge system

1996-12-31

1998-09-29

Harvey, Jack B.

395308, 395825, 395842, 395876, G06F 1314

Patent

active

058156771

ABSTRACT:
A method for transferring data through a bus bridge. The bus bridge includes a number of data buffers for storing data, prefetching data and write posting data. A device communicating with the bus bridge may reserve a buffer by one of two reservation mechanism. The reservation mechanism provides the bus bridge with the address and byte count. The reservation may also be forwarded to any upstream bus bridges. The reserved buffers are prefetched for efficient use of bus access. Data is prefetched and flushed according to alternative algorithms if a buffer is not reserved.

REFERENCES:
patent: 5542055 (1996-07-01), Amini et al.

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