Allocation of flow control credits for high performance devices
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United States of America Patent
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Aug 9, 2016
Grant Date -
Mar 27, 2014
app pub date -
Jan 13, 2012
filing date -
Jan 13, 2012
priority date (Note) -
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Abstract
Methods and apparatus relating to allocation of flow control credits for high performance devices are described. In some embodiments, controls and/or configuration structures may be provided for the OS (Operating System) or VMM (Virtual Machine Manager) to indicate possible processor affinity (e.g., of a device driver for a given PCIe device) to the platform components (in a platform dependent fashion, for example). Using this data, the platform components could configure the RC (Root Complex) ports and/or intermediate components (such as switches, bridges, etc.) to pre-allocate buffers for the links coupling the PCIe device to the RC ports or intermediate components. Other embodiments are also disclosed and claimed.
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