Re: [PATCH v1 0/3] ipmi: bt-i2c: added IPMI Block Transfer over I2C

[Brendan Higgins]

On Wed, Aug 9, 2017 at 3:56 AM, Anton D. Kachalov <mouse@xxxxxxxxxxxxxx> wrote:
> Hello,
>
> I would like to mention one of the our related work for IPMI and I2C.
>
> We use OpenIPMI stack to connect to the computing nodes through the I2C
> using IPMB (BT is not supported by nodes):
>
> https://github.com/ya-mouse/meta-openbmc-yandex/blob/master/meta-yandex/meta-openrack/meta-shaosi/recipes-kernel/linux/linux-obmc/ipmi_i2c.c
>
> It lacks complete slave support (slave part is only for receiving known
> packets with query results due to OpenIPMI implementation in kernel) and use
> one local slave to communicate with a number of target systems on the same
> bus (currently supported only 1-to-1 schema).
>
> With this stuff we able to use ipmitool across different /dev/ipmiX devices
> to communicate with nodes.

Cool, I met someone else who had a similar use case which is part of why
I decided to share this (not sure if should say who).

So it sounds like we are probably not going to go with the approach I proposed;
if you indeed find this useful, I would suggest that we put this in our OpenBMC
repository and switch it out with the suggested method at some point.

Let me know what you think