RE: [EXT] Re: [PATCH v9 13/14] baseband/acc: add PF configure companion function

["Chautru, Nicolas" <nicolas.chautru@intel.com>]

Hi Akhil, Maxime, 

> -----Original Message-----
> From: Akhil Goyal <gakhil@marvell.com>
> Sent: Monday, October 10, 2022 11:12 AM
> To: Chautru, Nicolas <nicolas.chautru@intel.com>; Maxime Coquelin
> <maxime.coquelin@redhat.com>; dev@dpdk.org
> Cc: trix@redhat.com; mdr@ashroe.eu; Richardson, Bruce
> <bruce.richardson@intel.com>; hemant.agrawal@nxp.com;
> david.marchand@redhat.com; stephen@networkplumber.org; Vargas,
> Hernan <hernan.vargas@intel.com>
> Subject: RE: [EXT] Re: [PATCH v9 13/14] baseband/acc: add PF configure
> companion function
> 
> > Hi Akhil, Maxime,
> >
> > > From: Akhil Goyal <gakhil@marvell.com>
> > > Sent: Monday, October 10, 2022 3:09 AM
> > > Subject: RE: [EXT] Re: [PATCH v9 13/14] baseband/acc: add PF
> > > configure companion function
> > >
> > > > > diff --git a/drivers/baseband/acc/version.map
> > > > b/drivers/baseband/acc/version.map
> > > > > index b4ff13e38f..27fbbe3de5 100644
> > > > > --- a/drivers/baseband/acc/version.map
> > > > > +++ b/drivers/baseband/acc/version.map
> > > > > @@ -6,4 +6,5 @@ EXPERIMENTAL {
> > > > >   	global:
> > > > >
> > > > >   	rte_acc10x_configure;
> > > > > +	rte_acc200_configure;
> > > > >   };
> > > >
> > > > This is same comment as for ACC100 vs. ACC101.
> > > > Having a single API would be the way to go, given the prototype of
> > > > the functions are identical.
> > > >
> > > > Keep acc200 function, but internal only, rte_acc_configure() would
> > > > call the acc100/acc101/acc200/accXXX based on the device ID.
> > > >
> > > +1 for this.
> > >
> > > I believe a bbdev API should be defined to be used by each of the PMD.
> > > So that application can be agnostic of the underneath device.
> > >
> > > I would recommend to send a deprecation notice to remove all the pmd
> > > APIs going forward. We can take it for now, but these need to be
> > > replaced with generic API as soon as possible. No new such PMD API
> > > would be accepted going forward.
> > >
> >
> > OK understood, we can look into this for 23.03.
> > Are we okay to keep that commit as is for 22.11?
> >
> What Maxime is suggesting is adding a wrapper in PMD to hide variant of
> acc.
> I believe it is better to do it now as this is long term stable release.
> You can send a deprecation notice for removing PMD APIs and adding new
> generic API now which can be done in next cycle.

Updated in the V10 as suggested. 
This rte_acc_configure() symbol is marked as experimental. I believe we can remove it without notice (this is already modified in this serie without notice).
Note that this is only used by bbdev-test so this is all self-contained and no impact to the ecosystem.
Thanks,
Nic