From: Jakub Kicinski <kuba@kernel.org>
To: moyufeng <moyufeng@huawei.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>,
Jiri Pirko <jiri@resnulli.us>, Parav Pandit <parav@mellanox.com>,
Or Gerlitz <gerlitz.or@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"michal.lkml@markovi.net" <michal.lkml@markovi.net>,
"davem@davemloft.net" <davem@davemloft.net>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
Jiri Pirko <jiri@mellanox.com>,
Salil Mehta <salil.mehta@huawei.com>,
"lipeng (Y)" <lipeng321@huawei.com>,
Guangbin Huang <huangguangbin2@huawei.com>,
<shenjian15@huawei.com>, <linyunsheng@huawei.com>,
"chenhao (DY)" <chenhao288@hisilicon.com>,
Jiaran Zhang <zhangjiaran@huawei.com>
Subject: Re: [RFC net-next 0/8] Introducing subdev bus and devlink extension
Date: Mon, 31 May 2021 22:37:11 -0700 [thread overview]
Message-ID: <20210531223711.19359b9a@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> (raw)
In-Reply-To: <76785913-b1bf-f126-a41e-14cd0f922100@huawei.com>
On Mon, 31 May 2021 18:36:12 +0800 moyufeng wrote:
> Hi, Jiri & Jakub
>
> Generally, a devlink instance is created for each PF/VF. This
> facilitates the query and configuration of the settings of each
> function. But if some common objects, like the health status of
> the entire ASIC, the data read by those instances will be duplicate.
>
> So I wonder do I just need to apply a public devlink instance for the
> entire ASIC to avoid reading the same data? If so, then I can't set
> parameters for each function individually. Or is there a better suggestion
> to implement it?
I don't think there is a great way to solve this today. In my mind
devlink instances should be per ASIC, but I never had to solve this
problem for a multi-function ASIC.
Can you assume all functions are in the same control domain? Can they
trust each other?
next prev parent reply other threads:[~2021-06-01 5:37 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 5:37 [RFC net-next 0/8] Introducing subdev bus and devlink extension Parav Pandit
2019-03-01 5:37 ` [RFC net-next 1/8] subdev: Introducing subdev bus Parav Pandit
2019-03-01 7:17 ` Greg KH
2019-03-01 16:35 ` Parav Pandit
2019-03-01 17:00 ` Greg KH
2019-03-26 11:48 ` Lorenzo Pieralisi
2019-03-01 5:37 ` [RFC net-next 2/8] subdev: Introduce pm callbacks Parav Pandit
2019-03-01 5:37 ` [RFC net-next 3/8] modpost: Add support for subdev device id table Parav Pandit
2019-03-01 5:37 ` [RFC net-next 4/8] devlink: Introduce and use devlink_init/cleanup() in alloc/free Parav Pandit
2019-03-01 5:37 ` [RFC net-next 5/8] devlink: Add variant of devlink_register/unregister Parav Pandit
2019-03-01 5:37 ` [RFC net-next 6/8] devlink: Add support for devlink subdev lifecycle Parav Pandit
2019-03-01 5:37 ` [RFC net-next 7/8] net/mlx5: Add devlink subdev life cycle command support Parav Pandit
2019-03-01 7:18 ` Greg KH
2019-03-01 16:04 ` Parav Pandit
2019-03-01 5:37 ` [RFC net-next 8/8] net/mlx5: Add subdev driver to bind to subdev devices Parav Pandit
2019-03-01 7:21 ` Greg KH
2019-03-01 17:21 ` Parav Pandit
2019-03-05 7:13 ` Greg KH
2019-03-05 17:57 ` Parav Pandit
2019-03-05 19:27 ` Greg KH
2019-03-05 21:37 ` Parav Pandit
2019-03-01 22:12 ` Saeed Mahameed
2019-03-04 16:45 ` Parav Pandit
2019-03-01 20:03 ` [RFC net-next 0/8] Introducing subdev bus and devlink extension Jakub Kicinski
2019-03-04 4:41 ` Parav Pandit
2019-03-05 1:35 ` Jakub Kicinski
2019-03-05 19:46 ` Parav Pandit
2019-03-05 22:39 ` Kirti Wankhede
2019-03-05 23:17 ` Parav Pandit
2019-03-05 23:44 ` Parav Pandit
2019-03-06 0:44 ` Parav Pandit
2019-03-06 3:51 ` Kirti Wankhede
2019-03-06 5:42 ` Parav Pandit
2019-03-07 19:04 ` Kirti Wankhede
2019-03-07 20:27 ` Parav Pandit
2019-03-07 20:53 ` Kirti Wankhede
2019-03-07 21:02 ` Parav Pandit
2019-03-07 21:07 ` Kirti Wankhede
2019-03-07 21:21 ` Parav Pandit
2019-03-07 22:01 ` Kirti Wankhede
2019-03-07 22:31 ` Parav Pandit
2019-03-08 12:19 ` Kirti Wankhede
2019-03-08 17:09 ` Parav Pandit
2019-03-05 1:45 ` Jakub Kicinski
2019-03-05 16:52 ` Parav Pandit
2021-05-31 10:36 ` moyufeng
2021-06-01 5:37 ` Jakub Kicinski [this message]
2021-06-01 7:33 ` Yunsheng Lin
2021-06-01 21:34 ` Jakub Kicinski
2021-06-02 2:24 ` Yunsheng Lin
2021-06-02 16:34 ` Jakub Kicinski
2021-06-03 3:46 ` Yunsheng Lin
2021-06-03 17:53 ` Jakub Kicinski
2021-06-04 1:18 ` Yunsheng Lin
2021-06-04 18:41 ` Jakub Kicinski
2021-06-07 1:36 ` Yunsheng Lin
2021-06-07 19:46 ` Jakub Kicinski
2021-06-08 12:10 ` Yunsheng Lin
2021-06-08 17:29 ` Jakub Kicinski
2021-06-09 9:16 ` Yunsheng Lin
2021-06-09 9:38 ` Parav Pandit
2021-06-09 11:05 ` Yunsheng Lin
2021-06-09 11:59 ` Parav Pandit
2021-06-09 12:30 ` Yunsheng Lin
2021-06-09 13:45 ` Parav Pandit
2021-06-10 7:04 ` Yunsheng Lin
2021-06-10 7:17 ` Parav Pandit
2021-06-09 16:40 ` Jakub Kicinski
2021-06-10 6:52 ` Yunsheng Lin
2021-06-09 9:52 ` Parav Pandit
2021-06-09 11:16 ` Yunsheng Lin
2021-06-09 12:00 ` Parav Pandit
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