Database for storing device handle data in an extensible firmware interface environment
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United States of America Patent
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Jun 22, 2010
Grant Date -
Jan 31, 2008
app pub date -
Jul 28, 2006
filing date -
Jul 28, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Methods, apparatus, and computer-readable media for providing a device handle database in an EFI environment are disclosed. According to one method, a device handle database is created for storing data identifying the protocols that have been installed on one or more device handles. The database includes a sorted array of elements utilized to store protocol data for a family of protocols having the same GUID. Each element in the array comprises a family data structure including a field for storing the GUID for the family along with a field for storing a pointer to a linked list that stores the protocol instance data for each of the protocols in the family. Each node in the linked list is also a member of a linked list for storing protocol data for all of the protocols installed on a given device handle.
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