Appendix A – BMC and eROT Upgrade Process for BlueField-2

To upgrade DPU BMC firmware on a BlueField-2 DPU, follow this procedure:

1. Download openbmctool, and resolve dependencies.

   • sudo pip3 install paramiko
   • sudo pip3 install scp

2. Trigger BMC update.

   Copy

   Copied!

               
   
               
   python3 openbmctool.py -H <DPU-BMC-IP> -U root -P <password> firmware flash bmc -f <path-to-signed-bmc-image>
           

   After initiating the BMC firmware secure update, a new task is created. Example:

   Copy

   Copied!

               
   
               
   Attempting login...
   Uploading file to BMC
   Upload complete.
   Firmware activation is in progress. Please wait for activation task id="0" to get completed before rebooting the bmc.
   User root has been logged out
           

   Note

   BMC firmware update takes 15-20 mins .

3. Track the progress of the update by using the task Id received in the response above (i.e., 0) in your query and monitoring the value of the task’s TaskProgress field.

   Copy

   Copied!

               
   
               
   python3 openbmctool.py -H <DPU-BMC-IP> -U root -P <password> task status -i <task_Id>
           

   Before proceeding to other operations. Keep running this command until it outputs:

   Copy

   Copied!

               
   
               
   TaskState="Completed"
   TaskStatus="OK"
   TaskProgress="100"
           

4. (Optional) Reset/reboot the BMC.

   Copy

   Copied!

               
   
               
   python3 openbmctool.py -H <DPU-BMC-IP> -U root -P <password> firmware running_version
           

   Note

   This step may be skipped if you intend to perform eROT update.

   Note

   Wait a few seconds before attempting to log back into the BMC as it loses connection during and shortly after reboot.

5. Trigger eROT update.

   Copy

   Copied!

               
   
               
   python3 openbmctool.py -H <ip_address> -U root -P <DPU-BMC-IP> apfirmware flash cec -f <path-to-signed-CEC-OTA-image-file>
           

   After initiating the eROT update, the following indication is provided:

   Copy

   Copied!

               
   
               
   Uploading firmware image: 100.00%
   Firmware update for cec triggered successfully.
           

6. Reset/reboot the BMC.
   
   Copy

   Copied!

               
   
               
   python3 openbmctool.py -H <DPU-BMC-IP> -U root -P <password> firmware running_version