netdev - Re: [PATCH net-next 00/12] nfp: add support for multi-pf configuration

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Date: Tue, 25 Jul 2023 21:17:13 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Yinjun Zhang <yinjun.zhang@...igine.com>
Cc: Louis Peens <louis.peens@...igine.com>, David Miller
 <davem@...emloft.net>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <simon.horman@...igine.com>, Tianyu Yuan <tianyu.yuan@...hogine.com>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>, oss-drivers
 <oss-drivers@...igine.com>
Subject: Re: [PATCH net-next 00/12] nfp: add support for multi-pf
 configuration

On Wed, 26 Jul 2023 02:00:30 +0000 Yinjun Zhang wrote:
> > >   serial_number UKAAMDA2000-100122190023  
> >   
> > >   serial_number UKAAMDA2000-100122190023  
> > 
> > Since it's clearly a single ASIC shouldn't it have a single devlink
> > instance?  
> 
> But there're more than one PCI device now. Isn't it universal implementation
> to register a devlink for each PCI device?

It's only the prevailing implementation because people are too lazy to
implement things correctly, if you ask me. devlink doesn't have the
ability to bind to multiple bus devices, that would need to be
addressed.