Implementing extent granularity authorization initialization processing in CAPI adapters
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United States of America Patent
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Jul 18, 2017
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app pub date -
Nov 20, 2014
filing date -
Nov 20, 2014
priority date (Note) -
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Abstract
A method, system and computer program product are provided for implementing block extent granularity authorization initialization processing in Coherent Accelerator Processor Interface (CAPI) adapters. A master owning client and CAPI Server Register space assigned to the Master Owning Client are identified. Address mapping is created for the Master Owning Client to access the assigned CAPI Server Register space. The Master Owning Client is enabled to send commands to the CAPI adapter, other CAPI clients are prevented from sending commands to the CAPI adapter via the CAPI Server Register space assigned to the Master Owning Client.
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