linux-kernel - Re: [Intel-wired-lan] [PATCH iwl-next v5 15/15] ixd: add devlink support

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Message-ID: <e446b4bb-e4d5-435c-a769-9050b15817ff@intel.com>
Date: Mon, 17 Nov 2025 22:58:10 -0800
From: Jacob Keller <jacob.e.keller@...el.com>
To: "Loktionov, Aleksandr" <aleksandr.loktionov@...el.com>, "Zaremba, Larysa"
	<larysa.zaremba@...el.com>, "intel-wired-lan@...ts.osuosl.org"
	<intel-wired-lan@...ts.osuosl.org>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>
CC: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>, "Samudrala, Sridhar"
	<sridhar.samudrala@...el.com>, "Singhai, Anjali" <anjali.singhai@...el.com>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>, "Fijalkowski,
 Maciej" <maciej.fijalkowski@...el.com>, "Tantilov, Emil S"
	<emil.s.tantilov@...el.com>, "Chittim, Madhu" <madhu.chittim@...el.com>,
	"Hay, Joshua A" <joshua.a.hay@...el.com>, "Shanmugam, Jayaprakash"
	<jayaprakash.shanmugam@...el.com>, "Wochtman, Natalia"
	<natalia.wochtman@...el.com>, Jiri Pirko <jiri@...nulli.us>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, "Jakub
 Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
	<horms@...nel.org>, Jonathan Corbet <corbet@....net>, Richard Cochran
	<richardcochran@...il.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, Andrew Lunn <andrew+netdev@...n.ch>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next v5 15/15] ixd: add devlink
 support



On 11/17/2025 6:28 AM, Loktionov, Aleksandr wrote:
> 
> 
>> -----Original Message-----
>> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf
>> Of Larysa Zaremba
>> Sent: Monday, November 17, 2025 2:49 PM
>> To: intel-wired-lan@...ts.osuosl.org; Nguyen, Anthony L
>> <anthony.l.nguyen@...el.com>
>> Cc: Lobakin, Aleksander <aleksander.lobakin@...el.com>; Samudrala,
>> Sridhar <sridhar.samudrala@...el.com>; Singhai, Anjali
>> <anjali.singhai@...el.com>; Michal Swiatkowski
>> <michal.swiatkowski@...ux.intel.com>; Zaremba, Larysa
>> <larysa.zaremba@...el.com>; Fijalkowski, Maciej
>> <maciej.fijalkowski@...el.com>; Tantilov, Emil S
>> <emil.s.tantilov@...el.com>; Chittim, Madhu <madhu.chittim@...el.com>;
>> Hay, Joshua A <joshua.a.hay@...el.com>; Keller, Jacob E
>> <jacob.e.keller@...el.com>; Shanmugam, Jayaprakash
>> <jayaprakash.shanmugam@...el.com>; Wochtman, Natalia
>> <natalia.wochtman@...el.com>; Jiri Pirko <jiri@...nulli.us>; David S.
>> Miller <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>;
>> Jakub Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>;
>> Simon Horman <horms@...nel.org>; Jonathan Corbet <corbet@....net>;
>> Richard Cochran <richardcochran@...il.com>; Kitszel, Przemyslaw
>> <przemyslaw.kitszel@...el.com>; Andrew Lunn <andrew+netdev@...n.ch>;
>> netdev@...r.kernel.org; linux-doc@...r.kernel.org; linux-
>> kernel@...r.kernel.org
>> Subject: [Intel-wired-lan] [PATCH iwl-next v5 15/15] ixd: add devlink
>> support
>>
>> From: Amritha Nambiar <amritha.nambiar@...el.com>
>>
>> Enable initial support for the devlink interface with the ixd driver.
>> The ixd hardware is a single function PCIe device. So, the PCIe
>> adapter gets its own devlink instance to manage device-wide resources
>> or configuration.
>>
>> $ devlink dev show
>> pci/0000:83:00.6
>>
>> $ devlink dev info pci/0000:83:00.6
>> pci/0000:83:00.6:
>>   driver ixd
>>   serial_number 00-a0-c9-ff-ff-23-45-67
>>   versions:
>>       fixed:
>>         device.type MEV
>>       running:
>>         cp 0.0
>>         virtchnl 2.0
>>
> This commit mentions MEV without expansion.
> Kernel docs require expanding uncommon abbreviations.
> 

This is an example of the output of devlink, so if devlink literally
does print MEV, this should stay as-is. You could provide an area which
explains what each device type means and has the expanded definition.


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