User`s guide

Appendix C • 71
• MASTER WRITE-READ I2C – Zircon provides access to non-intelligent
devices on the private I2C bus and IPMB behind the management
controller via the MASTER WRITEREAD I2C command.
C.1.4.3 Event Commands
The ‘Sensor/Event’ Network Function is used for device functionality
related to transmission, reception and handling of ‘Event Messages’ and
platform events. Zircon supports the following event commands:
• SET EVENT RECEIVER – Tells a controller where to send Event
Messages.
• PLATFORM EVENT MESSAGE – The Zircon supports reception of
event messages from both the system interface and IPMB. The
firmware also supports generation of these messages internally from
local sensors.
• GET EVENT RECEIVER - This command is used to retrieve the present
setting for the Event Receiver Slave Address and LUN.
C.1.4.4 SDR Repository Device Commands
Zircon firmware supports only the repository updates. During SDR update
the only the commands listed below are supported. Commands not
supported during update mode will be responded to with a completion
code of SDR Repository Update in progress.
• GET DEVICE ID – see section x.y.4.1 for details
• GET SDR – Returns the sensor record specified by “Record ID”.
• ADD SDR – Adds the specified sensor record to the SDR Repository
and returns it’s “Record ID”.
• PARTIAL ADD SDR – Adds the partial specified sensor record to the
SDR Repository and returns it’s “Record ID”.
• CLEAR SDR REPOSITORY – Clears all records from the SDR
Repository and reinitializes the SDR Repository subsystem.
• EXIT SDR REPOSITORY UPDATE MODE– Used to exit the SDR
Repository Update Mode.
• GET SDR – Returns the sensor record specified by “Record ID”.
• GET SDR REPOSITORY ALLOCATION INFO – Returns information on
allocation unit size and availability.