Get Dynamic Configuration SMI Command
更新时间： 2026/08/06
在AtomGit上查看源码Get Dynamic Configuration SMI Command
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Obtaining the BIOS Dynamic Configuration Information Saved on the BMC
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=2Eh |
| 5 | Reserved |
| 6:7 | Read offset, starting from 0 and LSB first |
| 8 | Read length. If the length is unknown, set it to 0xff. |
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 | [7:1]: resvered [0]: 0-last frame 1-casecade frame |
| 6:N | Command data The data format of each configuration item is TLV. Type: ID of a configuration item. Length: data length of a configuration item. Data: configuration item data information. For details about the values of Type and Data, see Table 1. data1:1-Configuration Item1 Type data2:1-Configuration Item1 Length data3:Length-Configuration Item1 Data ... dataX:1-Configuration ItemM Type data(X+1):1-Configuration ItemM Length data(X+2):Length-Configuration ItemM Data |
Command Example
Obtain the dynamic BIOS configuration of the BMC.
Request:
bash
ipmicmd -k "0f 00 30 92 db 07 00 2e 00 00 00 10" smi 0Response:
text
0f 31 00 92 00 db 07 00 * *This example assumes command success (completion code 00). The request reads at most 16 bytes of dynamic configuration at offset 0. The first * represents the actual one-byte cascade flag; the second represents the entire variable-length TLV data fragment returned in this frame, at most 16 bytes.