Programming interface operations in a driver in communication with a port for reinitialization of storage controller elements
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United States of America
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Mar 31, 2020
Grant Date -
Jun 28, 2018
app pub date -
Feb 21, 2018
filing date -
Feb 21, 2018
priority date (Note) -
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Abstract
A driver of a host bus adapter of a storage controller performs hardware resets of buses and other logic to which an embedded port of the host bus adapter is connected, in a first period of quiescing of I/O operations in the embedded port. The driver transmits one or more commands to the embedded port to resume selected I/O operations in the embedded port. A reinitialization of the driver is performed during a second period of quiescing of I/O operations in the embedded port, prior to sending a command to allow normal I/O operations in the embedded port.
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