Get Fan Level
更新时间： 2025/06/26
在Gitcode上查看源码16h-获取风扇等级（Get-Fan-Level）
修订记录
| openUBMC版本号 | 修订日期 | 修订内容 |
|---|---|---|
| 25.06 | 2025/06/26 | 初稿，新增命令详情 |
基本信息
功能说明
获取风扇等级。
权限
ReadOnly
命令信息
请求信息
| 字节顺序 | 域取值说明 |
|---|---|
| NetFn | PICMG 2Ch |
| CMD | 16h |
| 1 | PICMG Identifier. Indicates that this is a PICMG-defined group extension command. A value of 00h is used. |
| 2 | FRU Device ID. Indicates an individual FRU device to query. |
响应信息
| 字节顺序 | 域取值说明 |
|---|---|
| 1 | Completion Code |
| 2 | PICMG Identifier. Indicates that this is a PICMG-defined group extension command. A value of 00h is used. |
| 3 | Override Fan Level. Indicates the fan level that the Shelf Manager has selected, which must be in the range Minimum Speed Level to Maximum Speed Level, or equal to FEh or FFh. FEh=Fan has been placed in "Shut Down" by the Shelf Manager FFh=Fan operating in Local Control mode |
| 4 | Local Control Fan Level. This byte is optional if the Fan Tray does not support Local Control. When present, this byte always indicates the Local Control fan level as determined by the Fan Tray controller. When Local Control is supported, the actual fan level is: 1) the value of this byte if Override Fan Level is FFh, or 2) the larger of this byte and Override Fan Level if Local Control Enable State is 01h, 3) the value of Override Fan Level if Local Control Enable State is 00h, or 4) Shut Down if either Override Fan Level or this byte has a value FEh. |
| 5 | Local Control Enable State[1]. This byte is omitted if the Fan Tray does not support Local Control. When present, this byte indicates the Local Control State. A value of 0 indicates that Local Control mode is disabled and a value of 1 indicates Local Control mode is enabled. |
命令样例
获取风扇等级
请求：
ipmicmd -k "0f 00 MM NN" smi 0响应：
0f MM NN