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Subject: Re: Read smbios2 file failed
From: Andrei Kartashev <a.kartashev@yadro.com>
To: Thang Nguyen <thang@amperemail.onmicrosoft.com>, openbmc
 <openbmc@lists.ozlabs.org>
Date: Wed, 15 Sep 2021 11:16:43 +0300
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I don't know what is format of "dmidecode --dump-bin", but if it just
raw dump of smbios then you only need to add mdr header.

See answer for the same question here:
https://lists.ozlabs.org/pipermail/openbmc/2021-July/026882.html

On Wed, 2021-09-15 at 12:41 +0700, Thang Nguyen wrote:
> Hi Andrei,
> 
> I see output of "dmidecode --dump-bin" follows SMBIOS specification.
> As
> the data for smbios-mdr does not follow this, do you know about the 
> document or any information I can reference to prepare data to send
> to
> BMC??
> 
> 
> Best Regards,
> 
> Thang Q. Nguyen
> 
> On 14/09/2021 15:51, Andrei Kartashev wrote:
> > No, it is not same as "dmidecode --dump-bin".
> > 
> > On Tue, 2021-09-14 at 13:46 +0700, Thang Nguyen wrote:
> > > On 13/09/2021 23:56, Andrei Kartashev wrote:
> > > > You need to somehow deliver smbios data image to BMC. This
> > > > means,
> > > > your
> > > > BIOS should implementat some logic to transfer this data.
> > > > For BMC side see example here:
> > > > https://github.com/openbmc/intel-ipmi-oem/blob/master/src/smbiosmdrv2handler.cpp
> > > Hi Andrei,
> > > 
> > > What is the format of smbios data to transfer to BMC? Is it the
> > > same
> > > content of "dmidecode --dump-bin" command from Host Linux? or
> > > anything
> > > special in formatting the content to send?
> > > 
> > > > On Mon, 2021-09-13 at 17:40 +0300, Alexander Raih wrote:
> > > > > Hi guys, I am beginner in openbmc
> > > > > I build openbmc with smbios-mdr repository and I have error:
> > > > > 
> > > > > Read data from flash error - Open MDRV2 table file failure
> > > > > 
> > > > > There isnt file in /var/lib/smbios/smbios2
> > > > > 
> > > > > How I can resolve this problem?
> > > > > Help me please!!!


-- 
Best regards,
Andrei Kartashev