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From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Parav Pandit <parav@mellanox.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	michal.lkml@markovi.net, davem@davemloft.net, jiri@mellanox.com
Subject: Re: [RFC net-next 1/8] subdev: Introducing subdev bus
Date: Tue, 26 Mar 2019 11:48:36 +0000	[thread overview]
Message-ID: <20190326114836.GA4000@e107981-ln.cambridge.arm.com> (raw)
In-Reply-To: <20190301071727.GA8975@kroah.com>

On Fri, Mar 01, 2019 at 08:17:27AM +0100, Greg KH wrote:
> On Thu, Feb 28, 2019 at 11:37:45PM -0600, Parav Pandit wrote:
> > Introduce a new subdev bus which holds sub devices created from a
> > primary device. These devices are named as 'subdev'.
> > A subdev is identified similarly to pci device using 16-bit vendor id
> > and device id.
> > Unlike PCI devices, scope of subdev is limited to Linux kernel.
> 
> But these are limited to only PCI devices, right?
> 
> This sounds a lot like that ARM proposal a week or so ago that asked for
> something like this, are you working with them to make sure your
> proposal works for them as well?  (sorry, can't find where that was
> announced, it was online somewhere...)

Thanks for pointing this out and sorry for the delay in chiming in.

Blog post and white paper are available here:

https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/high-performance-device-virtualization-approach-to-standardization

It would be certainly good to reach a degree of convergence in this
design space, which eventually will be beneficial for the kernel
interfaces required.

Thanks again for pointing this out.

Lorenzo

  parent reply	other threads:[~2019-03-26 11:48 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 [this message]
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
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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