From: Leon Romanovsky <leon@kernel.org>
To: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
pabeni@redhat.com, edumazet@google.com,
intel-wired-lan@lists.osuosl.org, jiri@nvidia.com,
anthony.l.nguyen@intel.com, alexandr.lobakin@intel.com,
sridhar.samudrala@intel.com, wojciech.drewek@intel.com,
lukasz.czapnik@intel.com, shiraz.saleem@intel.com,
jesse.brandeburg@intel.com, mustafa.ismail@intel.com,
przemyslaw.kitszel@intel.com, piotr.raczynski@intel.com,
jacob.e.keller@intel.com, david.m.ertman@intel.com,
leszek.kaliszczuk@intel.com
Subject: Re: [PATCH net-next 00/13] resource management using devlink reload
Date: Mon, 14 Nov 2022 15:23:53 +0200 [thread overview]
Message-ID: <Y3JBaQ7+p5ncsjuW@unreal> (raw)
In-Reply-To: <20221114125755.13659-1-michal.swiatkowski@linux.intel.com>
On Mon, Nov 14, 2022 at 01:57:42PM +0100, Michal Swiatkowski wrote:
> Currently the default value for number of PF vectors is number of CPUs.
> Because of that there are cases when all vectors are used for PF
> and user can't create more VFs. It is hard to set default number of
> CPUs right for all different use cases. Instead allow user to choose
> how many vectors should be used for various features. After implementing
> subdevices this mechanism will be also used to set number of vectors
> for subfunctions.
>
> The idea is to set vectors for eth or VFs using devlink resource API.
> New value of vectors will be used after devlink reinit. Example
> commands:
> $ sudo devlink resource set pci/0000:31:00.0 path msix/msix_eth size 16
> $ sudo devlink dev reload pci/0000:31:00.0
> After reload driver will work with 16 vectors used for eth instead of
> num_cpus.
By saying "vectors", are you referring to MSI-X vectors?
If yes, you have specific interface for that.
https://lore.kernel.org/linux-pci/20210314124256.70253-1-leon@kernel.org/
Thanks
next prev parent reply other threads:[~2022-11-14 13:24 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-14 12:57 [PATCH net-next 00/13] resource management using devlink reload Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 01/13] ice: move RDMA init to ice_idc.c Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 02/13] ice: alloc id for RDMA using xa_array Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 03/13] ice: cleanup in VSI config/deconfig code Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 04/13] ice: split ice_vsi_setup into smaller functions Michal Swiatkowski
2022-11-15 5:08 ` Jakub Kicinski
2022-11-15 6:49 ` Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 05/13] ice: stop hard coding the ICE_VSI_CTRL location Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 06/13] ice: split probe into smaller functions Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 07/13] ice: sync netdev filters after clearing VSI Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 08/13] ice: move VSI delete outside deconfig Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 09/13] ice: update VSI instead of init in some case Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 10/13] ice: implement devlink reinit action Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 11/13] ice: introduce eswitch capable flag Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 12/13] ice, irdma: prepare reservation of MSI-X to reload Michal Swiatkowski
2022-11-15 5:08 ` Jakub Kicinski
2022-11-15 6:49 ` Michal Swiatkowski
2022-11-14 12:57 ` [PATCH net-next 13/13] devlink, ice: add MSIX vectors as devlink resource Michal Swiatkowski
2022-11-14 15:28 ` Jiri Pirko
2022-11-14 16:03 ` Piotr Raczynski
2022-11-15 6:56 ` Michal Swiatkowski
2022-11-15 12:08 ` Jiri Pirko
2022-11-14 13:23 ` Leon Romanovsky [this message]
2022-11-14 15:31 ` [PATCH net-next 00/13] resource management using devlink reload Samudrala, Sridhar
2022-11-14 16:58 ` Keller, Jacob E
2022-11-14 17:09 ` Leon Romanovsky
2022-11-15 7:00 ` Michal Swiatkowski
2022-11-14 17:07 ` Leon Romanovsky
2022-11-15 7:12 ` Michal Swiatkowski
2022-11-15 8:11 ` Leon Romanovsky
2022-11-15 9:04 ` Michal Swiatkowski
2022-11-15 9:32 ` Leon Romanovsky
2022-11-15 10:16 ` Michal Swiatkowski
2022-11-15 12:12 ` Leon Romanovsky
2022-11-15 14:02 ` Michal Swiatkowski
2022-11-15 17:57 ` Leon Romanovsky
2022-11-16 1:59 ` Samudrala, Sridhar
2022-11-16 6:04 ` Leon Romanovsky
2022-11-16 12:04 ` Michal Swiatkowski
2022-11-16 17:59 ` Leon Romanovsky
2022-11-17 11:10 ` Michal Swiatkowski
2022-11-17 11:45 ` Leon Romanovsky
2022-11-17 13:39 ` Michal Swiatkowski
2022-11-17 17:38 ` Leon Romanovsky
2022-11-18 3:36 ` Jakub Kicinski
2022-11-18 6:20 ` Leon Romanovsky
2022-11-18 14:23 ` Saleem, Shiraz
2022-11-18 17:31 ` Leon Romanovsky
2022-11-20 22:24 ` Samudrala, Sridhar
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