RadiSys ATCA-5400 RTM, Справочник

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B
IPMI Commands and Managed Sensors
36
Managed sensors
The RTM manages sensors with sensor data record (SDR) support. The RTM implements a Type
12h (0x12) management controller device locator record for identifying the management
controller and a Type 1h (0x01) full sensor record for describing the sensor.
Rather than being an actual physical component, some sensors are an accumulation of the
information gathered by the measuring devices and the MMC on the RTM. The MMC monitors
conditions and detects digital state changes or analog values crossing thresholds. When a
transition occurs, the MMC sends the information to the CPM’s IPMC, which forwards it to the
Shelf Manager as an event. The Shelf Manager may in turn send the event to a system manager.
Types of sensors
The RTM implements the following types of sensors.

Discrete — A discrete sensor can represent up to16 states. The sensor is coded as a 16-bit
value with one bit true and the remaining bits false.

Digital — A digital sensor has two possible states, only one of which can be active at any
given time. For example, a digital sensor monitoring the power may indicate whether the
power is good (within an acceptable range) or not.

OEM — An OEM sensor is an 8-bit value with its states defined by the manufacturer. The
reading types of these sensors are sometimes defined as “sensor-specific.”

Threshold — A threshold sensor has a range of 256 values, which represent measurements
on the RTM and its FRUs. Temperature, voltage, current, and fan speed sensors are
examples of threshold sensors.
Get FRU LED State PICMG (0x2C) 0x08
Get Device Locator Record ID PICMG (0x2C) 0x0D
Set AMC Port State PICMG (0x2C) 0x19
Get AMC Port State PICMG (0x2C) 0x1A
FRU Control Capabilities PICMG (0x2C) 0x1E
Get Target Upgrade Capabilities PICMG (0x2C) 0x2E
Get Component Properties PICMG (0x2C) 0x2F
Abort Firmware Upgrade PICMG (0x2C) 0x30
Initiate Upgrade Action PICMG (0x2C) 0x31
Upload Firmware Block PICMG (0x2C) 0x32
Finish Firmware Upload PICMG (0x2C) 0x33
Get Upgrade Status PICMG (0x2C) 0x34
Activate Firmware PICMG (0x2C) 0x35
Query Rollback Status PICMG (0x2C) 0x37
Initiate Manual Rollback PICMG (0x2C) 0x38
Table 13. Supported IPMI commands
Message Commands NetFn Cmd