netdev - Re: [iwl-next v4 5/8] ice: allocate devlink for subfunction

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Date: Thu, 18 Apr 2024 19:25:35 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	jacob.e.keller@...el.com, michal.kubiak@...el.com,
	maciej.fijalkowski@...el.com, sridhar.samudrala@...el.com,
	przemyslaw.kitszel@...el.com, wojciech.drewek@...el.com,
	pio.raczynski@...il.com, jiri@...dia.com,
	mateusz.polchlopek@...el.com
Subject: Re: [iwl-next v4 5/8] ice: allocate devlink for subfunction

Thu, Apr 18, 2024 at 06:11:38PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>On Thu, Apr 18, 2024 at 05:43:25PM +0200, Jiri Pirko wrote:
>> Thu, Apr 18, 2024 at 04:46:23PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>> >On Thu, Apr 18, 2024 at 03:02:49PM +0200, Jiri Pirko wrote:
>> >> Thu, Apr 18, 2024 at 02:48:53PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>> >> >On Thu, Apr 18, 2024 at 02:04:21PM +0200, Jiri Pirko wrote:
>> >> >> Wed, Apr 17, 2024 at 04:20:25PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>> >> >> >From: Piotr Raczynski <piotr.raczynski@...el.com>
>> >> >> 
>> >> >> [...]
>> >> >> 
>> >> >> >+/**
>> >> >> >+ * ice_allocate_sf - Allocate devlink and return SF structure pointer
>> >> >> >+ * @dev: the device to allocate for
>> >> >> >+ *
>> >> >> >+ * Allocate a devlink instance for SF.
>> >> >> >+ *
>> >> >> >+ * Return: void pointer to allocated memory
>> >> >> >+ */
>> >> >> >+struct ice_sf_priv *ice_allocate_sf(struct device *dev)
>> >> >> 
>> >> >> This is devlink instance for SF auxdev. Please make sure it is properly
>> >> >> linked with the devlink port instance using devl_port_fn_devlink_set()
>> >> >> See mlx5 implementation for inspiration.
>> >> >> 
>> >> >> 
>> >> >
>> >> >I am going to do it in the last patchset. I know that it isn't the best
>> >> 
>> >> Where? Either I'm blind or you don't do it.
>> >> 
>> >> 
>> >
>> >You told me to split few patches from first patchset [1]. We agree that
>> >there will be too many patches for one submission, so I split it into
>> >3:
>> >- 1/3 devlink prework (already accepted)
>> >- 2/3 base subfunction (this patchset)
>> >- 3/3 port representor refactor to support subfunction (I am going to
>> >  include it there)
>> 
>> Sorry, but how is this relevant to my suggestion to use
>> devl_port_fn_devlink_set() which you apparently don't?
>> 
>
>Devlink port to link with is introduced in the port representor part.
>Strange, but it fitted to my splitting. I can move
>activation/deactivation part also to this patchset (as there is no
>devlink port to call it on) if you want.

You have 7 more patches to use in this set. No problem. Please do it all
at once.


>
>> 
>> >
>> >[1] https://lore.kernel.org/netdev/20240301115414.502097-1-michal.swiatkowski@linux.intel.com/
>> >
>> >Thanks,
>> >Michal
>> >
>> >> >option to split patchesets like that, but it was hard to do it differently.
>> >> >
>> >> >Thanks,
>> >> >Michal
>> >> >
>> >> >> >+{
>> >> >> >+	return ice_devlink_alloc(dev, sizeof(struct ice_sf_priv),
>> >> >> >+				 &ice_sf_devlink_ops);
>> >> >> >+}
>> >> >> >+
>> >> >> 
>> >> >> [...]