Max IPMI buffer size

Patrick Venture venture at google.com
Thu Feb 28 04:22:53 AEDT 2019


On Tue, Feb 26, 2019 at 3:30 PM Vijay Khemka <vijaykhemka at fb.com> wrote:
>
>
>
> On 2/26/19, 10:05 AM, "Vernon Mauery" <vernon.mauery at linux.intel.com> wrote:
>
>     On 25-Feb-2019 05:45 PM, Emily Shaffer wrote:
>     >Personally I'd like to see this implemented as something we can configure
>     >at compile time, what do others think?
>
>     My goal was to be able to set this in the
>     /usr/share/ipmi-provider/channel_config.json file. Each channel can
>     specify its max transfer size. Then, there is a libchannellayer API that
>     can provide that value to anyone that cares.
> I agree.

This doesn't address the hard-coded response buffer size -- I think
your new changes for how messages are sent and received will deal with
this underlying issue.

>
>     --Vernon
>
>     >On Fri, Feb 22, 2019 at 4:07 PM Vijay Khemka <vijaykhemka at fb.com> wrote:
>     >
>     >> Team,
>     >>
>     >> I see definition of MAX_IPMI_BUFFER is 64 in phosphor-ipmi-host/ipmid.hpp.
>     >> And there is a comment that BT FIFO in AST2400 can handle only 64 bytes. We
>     >> are using AST2500 and for our IPMB OEM command, we need buffer max size to
>     >> be 256. Please suggest how to about changes.
>     >>
>     >>
>     >>
>     >> Regards
>     >>
>     >> -Vijay
>     >>
>
>


More information about the openbmc mailing list