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

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Message-ID: <ZiKoWmX34QEdEgJO@mev-dev>
Date: Fri, 19 Apr 2024 19:22:34 +0200
From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
To: Jiri Pirko <jiri@...nulli.us>
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

On Thu, Apr 18, 2024 at 07:25:35PM +0200, Jiri Pirko wrote:
> 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.
> 

Ok, as whole will still not fit into 15 I sent preparation patchset for
representor [1].

Now the patchset based on this preparation have 14 patches, so I hope it
is fine (including linking that you mentioned). I will send it right
after the preparation patchset is applied.

I am going on the 2 weeks vacation, so my replies will be delayed.

[1] https://lore.kernel.org/netdev/20240419171336.11617-1-michal.swiatkowski@linux.intel.com/T/#t

Thanks,
Michal

> 
> >
> >> 
> >> >
> >> >[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);
> >> >> >> >+}
> >> >> >> >+
> >> >> >> 
> >> >> >> [...]