** Changed in: linux-bluefield (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1931843
Title:
Update mlx-bootctl to access new fields in EEPROM MFG
Status in linux-bluefield package in Ubuntu:
Invalid
Status in linux-bluefield source package in Focal:
Fix Committed
Bug description:
SRU Justification:
[Impact]
The EEPROM MFG partition on BlueField-2 has been updated to include the VPD
information for each card. In order to access these newly added fields, the
mlx-bootctl driver needs to be updated to provide an access mechanism.
[Fix]
Add support for VPD fields in the EEPROM MFG and provide access to these via
sysfs entries. The newly added sysfs entries are: sku (SKU ID), modl (Model
Number), sn (Serial Number) and uuid (UUID). And the previously added opn_str
sysfs has been renamed to opn.
[Test Case]
Though the driver provides read and write access through sysfs, the contents
of the MFG partition are written during Manufacturing and then locked in order
to protect the info. Writing to this partition will therefore require resetting
the MFG info from the UEFI Device Manager, which will unlock the partition and
allow for it to be reprogrammed.
Reading the sysfs entries will print the contents of each field. It could
also be empty if the field was not programmed earlier.
[Regression Potential]
Can be considered minimum, since the new fields have been added without
interfering with the existing fields which might already be present in the
EEPROM.
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