netdev - RE: [patch net-next 4/4] net: devlink: expose default flash update target

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Message-ID: <CO1PR11MB50890139A9EEBD1AEBA54249D66C9@CO1PR11MB5089.namprd11.prod.outlook.com>
Date:   Fri, 19 Aug 2022 20:59:28 +0000
From:   "Keller, Jacob E" <jacob.e.keller@...el.com>
To:     Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...nulli.us>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "idosch@...dia.com" <idosch@...dia.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "saeedm@...dia.com" <saeedm@...dia.com>,
        "vikas.gupta@...adcom.com" <vikas.gupta@...adcom.com>,
        "gospo@...adcom.com" <gospo@...adcom.com>
Subject: RE: [patch net-next 4/4] net: devlink: expose default flash update
 target



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Thursday, August 18, 2022 7:53 PM
> To: Jiri Pirko <jiri@...nulli.us>
> Cc: netdev@...r.kernel.org; davem@...emloft.net; idosch@...dia.com;
> pabeni@...hat.com; edumazet@...gle.com; saeedm@...dia.com; Keller, Jacob
> E <jacob.e.keller@...el.com>; vikas.gupta@...adcom.com;
> gospo@...adcom.com
> Subject: Re: [patch net-next 4/4] net: devlink: expose default flash update target
> 
> On Thu, 18 Aug 2022 15:00:42 +0200 Jiri Pirko wrote:
> > Allow driver to mark certain version obtained by info_get() op as
> > "flash update default". Expose this information to user which allows him
> > to understand what version is going to be affected if he does flash
> > update without specifying the component. Implement this in netdevsim.
> 
> My intuition would be that if you specify no component you're flashing
> the entire device. Is that insufficient? Can you explain the use case?
> 
> Also Documentation/ needs to be updated.

Some of the components in ice include the DDP which has an info version, but which is not part of the flash but is loaded by the driver during initialization.

Thanks,
Jake