Chassis sled cycle

[William Kennington]

The target is just that file. Platform specific services add themselves as
WantedBy. You shouldn't really need to worry about that part as triggering
the service will cause them to run.

On Tue, Mar 31, 2020 at 1:33 PM Vijay Khemka <vijaykhemka at fb.com> wrote:

>
>
> On 3/31/20, 10:53 AM, "Benjamin Fair" <benjaminfair at google.com> wrote:
>
>     On Mon, 30 Mar 2020 at 13:00, Vijay Khemka <vijaykhemka at fb.com> wrote:
>     >
>     > Hi Jason,
>     >
>     > We have a requirement of Chassis sled cycle and it can be achieved
> by sending an i2c command to hotswap controller. Is there any plan to add
> this feature in x86-power-control. It should take i2c bus address from
> configuration file.
>     >
>     >
>     >
>     > Regards
>     >
>     > -Vijay
>
>     This feature is implemented on some systems using an IPMI OEM command:
>
> https://github.com/openbmc/google-ipmi-sys#delayedhardreset---subcommand-0x03
>
>     It currently just activates the systemd target
>     gbmc-psu-hardreset.target and lets you register services to do the
>     actual hotswap reset (usually by toggling a GPIO). Having a unified
>     solution in x86-power-control for this would be great!
>
> Ben, Can you please share content of
>
> https://github.com/openbmc/google-ipmi-sys/blob/master/gbmc-psu-hardreset.target
> as my assumption is each platform needs to provide this file but I
> couldn't find any platform
> using this. I only found reference in meta-quanta which is deleting this
> file. So please
> provide a reference to this file.
>
>
>
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