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[Freeipmi-devel] update on freeipmi 0.4.0 release + ipmi 2.0 for all too

From: Al Chu
Subject: [Freeipmi-devel] update on freeipmi 0.4.0 release + ipmi 2.0 for all tools update
Date: Thu, 21 Jun 2007 13:06:31 -0700

Just thought I'd send some notes + updates.

The plan is to commit one more tool (ipmi-fru) into FreeIPMI before
releasing 0.4.0-beta.  The tool has been complete for quite some time,
however I have not received GPL approval from my organization (it
normally doesn't take this long, not sure why it's hung up) to release
it into FreeIPMI publically.

I had planned to release the 0.4.0 beta in early July.  Hopefully I get
GPL approval soon and we can still release around that time.

I looked into and actually began development of IPMI 2.0 protocol
support into UDM so it could be supported in most of the FreeIPMI tools
(i.e. ipmi-sensors, ipmi-sel, etc.).  However, after a half a day of
effort, I have now abandoned it for the 0.4.0 release.  The way that UDM
is architected makes it quite difficult to implement.  

In essence, the issue lies in the implementation of
ipmi_lan_open_session() and how it calls other UDM functions (i.e.
ipmi_cmd_set_session_privilege()) before UDM is setup and has completed
for the user.  Due to the nature of the IPMI 1.5 protocol, these issues
could be worked around relatively easily.

However, w/ IPMI 2.0, the above architecture becomes far more difficult
to workaround.  Ipmi_lan_open_session() should be re-written to not use
any other UDM functions.  

A.B., is someone on the Z-research staff (perhaps Ragha) interested in
re-architecting this?  I could do the subsequent IPMI 2.0 support
afterwards?  I still need to think a bit more about the code
architecture before we do it.


Albert Chu
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory

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