Set Host Standard Digest
更新时间: 2026/08/06
在Gitcode上查看源码

Set Host Standard Digest

Change History

openUBMC VersionRevision DateDescription
25.062025/06/26Initial draft: add command details

Basic Information

Function Description

Sets the measurement value of each firmware on the host.

Privilege

UserMgmt

Command Information

Request Information

ByteData Field
NetFn30h
CMD92h
1:3Manufacturer 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.
4Sub command, sub command=57h
5Firmware Type
0: measurement initiated by the BIOS
1: measurement initiated by the SHIM
2: measurement initiated by the GRUB
6Firmware Detail Type
Firmware Type:0
0: measurement initiated by the BIOS
1: reserved1
2: reserved2
Firmware Type:1
0: measurement initiated by the SHIM
1: reserved1
2: reserved2
Firmware Type:2
0: grub.cfg
1: kernel
2: initrd
7Firmware Hash Algorithm Type
0: The firmware hash value is calculated using the SM3 algorithm.
1: reserverd1
2: reserverd2
8Firmware Hash Len: M
9:8+MFirmware Hash Content
For the measurement initiated by the BIOS side, Hash Content is the hash value.
For the measurement initiated by the SHIM and GRUB sides, Hash Content is a specified structure.
9+MFirmware Version Len: N
10+M:9+M+NFirmware Version

Response Information

ByteData Field
1Completion Code
2:4Manufacturer 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.

Command Example

Request:

bash
ipmicmd -k "0f 00 MM NN" smi 0

Response:

text
0f MM NN

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