nvme sensors
Vijay Khemka
vijaykhemka at fb.com
Sat Apr 18 05:21:04 AEST 2020
On 4/17/20, 11:58 AM, "Benjamin Fair" <benjaminfair at google.com> wrote:
On Fri, 17 Apr 2020 at 11:42, Vijay Khemka <vijaykhemka at fb.com> wrote:
>
>
>
> On 4/17/20, 11:11 AM, "Benjamin Fair" <benjaminfair at google.com> wrote:
>
> On Fri, 17 Apr 2020 at 11:05, Vijay Khemka <vijaykhemka at fb.com> wrote:
> >
> >
> >
> > On 4/16/20, 4:35 PM, "Benjamin Fair" <benjaminfair at google.com> wrote:
> >
> > On Thu, 16 Apr 2020 at 16:15, Vijay Khemka <vijaykhemka at fb.com> wrote:
> > >
> > > Currently, dbus-sensors support reading NVME sensors via mctp only. It uses
> > > libmctp and some of smbus patch from Intel. It also uses slave mqueue mctp
> > > kernel driver which is not upstream.
> > >
> > > So currently it is not matured and fully upstreamed.
> > >
> > > James, how can we use this without mctp. I don't see any non mctp support like
> > > Sending direct smbus command, please advise if I missed it.
> >
> > If you want to use NVME-MI without MCTP, this use case is supported by
> > phosphor-nvme. It makes direct SMBus calls.
> >
> > Ben, thanks I see that but it needs certain GPIOs like PwrGd, presence and I am trying to find if
> > Our platform support any such GPIOs.
>
> If your platform doesn't have these GPIOs, we should be able to make
> phosphor-nvme more flexible and not require them. It was designed for
> one system at first with the expectation that it could become more
> general over time.
>
> Cool, That will be great. I also don't see recipe file for this.
The recipe file is at
meta-phosphor/recipes-phosphor/sensors/phosphor-nvme_git.bb
Thanks
> And how easy/hard to integrate this
> with entity manager as we use entity manager to list all sensors.
I'm not familiar enough with entity-manager to say for sure.
>
> >
> > >
> > > Regards
> > > -Vijay
> > >
> > >
> >
> >
>
>
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