Managing peripheral device address space resources using a...

Details Managing peripheral device address space resources using a... Managing peripheral device address space resources using a...

2007-07-10

2007-07-10

Sparks, Donald (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

C710S008000, C710S009000

Reexamination Certificate

active

10664623

ABSTRACT:
Methods and systems for allocating address space resources to resource requesting peripheral devices in an efficient manner. Resource requests are gathered for enumerated peripheral devices host by a computer platform. A map containing resource alignment requirements is built, and a virtual resource allocation map is computed based on aggregated resource requests and the alignment requirements. The resource aggregations are, in turn, based on a hierarchy of the peripheral devices. A bin-packing algorithm is employed to determine allocation of the resource requests so as to minimize resource address space allocations. The virtual resource map is then used to perform actual resource allocations. The resources include peripheral device I/O address allocation and peripheral device memory address allocations.

REFERENCES:
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patent: 6587868 (2003-07-01), Porterfield
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patent: 2002/0016877 (2002-02-01), Porterfield
patent: 2004/0215864 (2004-10-01), Arimilli et al.

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