Get CPU Capabilities
更新时间： 2026/08/06
在Gitcode上查看源码Get CPU Capabilities
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Obtains CPU capability information.
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 | Subcommand.Subcommand=5Fh |
| 5 | BIOS ID: This parameter is reserved for multi-host scenarios. In single-host scenarios, this parameter has a fixed value of 0. |
| 6 | For details, see the feature type in CPU feature type.. 0: ARM architecture acceleration type |
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 | Length: L |
| 6:5+L | For details, see the feature information in CPU feature type.. |
CPU feature type.
| Obtained Feature Type | Feature Information (Response Field 6:5+L) | No. (Decimal) |
|---|---|---|
| Acceleration Type of the ARM Architecture | If the value is 0, the sixth byte is defined as follows: Bit0: SECEnable SEC accelerator enable. 1: enabled; 0: disabled Bit 1: HPREEnable HPRE accelerator enable. 1: enabled; 0: disabled Bit 2: RDEEnable RDE accelerator enable. 1: enabled; 0: disabled Bit 3: ZIPEnable ZIP accelerator enable. 1: enabled; 0: disabled. Other values are reserved. | 0 |
Command Example
Obtain the Arm architecture acceleration type.
Request:
bash
ipmicmd -k "0f 00 30 92 db 07 00 5f 00 00" smi 0Response:
text
0f 31 00 92 00 db 07 00 01 00