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OPAL_SENSOR_READ
----------------
The OPAL sensor call reads a sensor data using a unique handler to
identity the targeted sensor.
This call can be asynchronous, when a message needs to be sent to a
service processor for example. In this case, the call will return
OPAL_ASYNC_COMPLETION and the token parameter will be used to wait for
the completion of the request.
Parameters:
uint32_t sensor_handler
int token
uint32_t *sensor_data
Return values:
OPAL_SUCCESS
OPAL_PARAMETER - invalid sensor handler
in case of communication with the FSP on IBM systems
OPAL_ASYNC_COMPLETION - a request was sent and an async completion will
be triggered with the @token argument
OPAL_PARTIAL - the request completed but the data returned is invalid
OPAL_BUSY_EVENT - a previous request is still pending
OPAL_NO_MEM - allocation failed
OPAL_INTERNAL_ERROR - communication failure with the FSP
OPAL_HARDWARE - FSP is not available
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