Get USB Mass Storage Status
更新时间： 2026/08/06
在Gitcode上查看源码Get USB Mass Storage Status
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Queries the connection status of a USB storage device.
Privilege
Command Information
Request Information
| Byte | Data Field |
|---|---|
| NetFn | 30h |
| CMD | 92h |
| 1:3 | Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h. |
| 4 | Sub command, sub command=25h |
| 5 | Parameter Selector, parameter selection=01h 00h: Create USB Mass Storage 03h: Close USB Mass Storage 01h: Get USB Mass Storage Status |
| 6 | device id: 0: iBMA USB flash drive 1: SP USB flash drive NOTE: To be compatible with earlier versions, this byte is not mandatory. If this byte is unavailable, the operation can be performed only on the SP USB flash drive. |
Response Information
| Byte | Data Field |
|---|---|
| 1 | Completion Code |
| 2:4 | Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h. |
| 5 | reserved |
| 6 | status 0: unmounted 1: attached 2: Mounting failed. 3: Uninstallation failed. |
Command Example
Query the heat dissipation mode.
Request:
bash
ipmicmd -k "0f 00 MM NN" smi 0Response:
text
0f MM NN