From: Parav Pandit <parav@nvidia.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
"cohuck@redhat.com" <cohuck@redhat.com>,
"virtio-comment@lists.oasis-open.org"
<virtio-comment@lists.oasis-open.org>,
Shahaf Shuler <shahafs@nvidia.com>,
Satananda Burla <sburla@marvell.com>
Subject: [virtio-dev] RE: [PATCH 08/11] transport-pci: Introduce virtio extended capability
Date: Fri, 19 May 2023 21:02:58 +0000 [thread overview]
Message-ID: <PH0PR12MB5481E912A8CDE621DF4344DEDC7C9@PH0PR12MB5481.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20230519020737-mutt-send-email-mst@kernel.org>
> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Friday, May 19, 2023 2:10 AM
>
> So looking at this in isolation, it probably warrants an extra github issue. So I
> would like to find out whether we should introduce this capability and switch to
> it for new devices.
>
> My main question is whether e.g. seabios will be able to use it.
> Could you take a look at the source and let us all know?
>
Existing unmodified seabios cannot use it because it is not looking at the new offset and cap_id.
But that is the case with any existing software, not just seabios.
New capability is in addition to the existing one.
And code already exists to refer to the old one, so I am not seeing any gain to create them now.
Any new capability that one creates in the future can be in the extended area.
You mentioned a perf angle that it takes half the time, but I don't see how as the only change between legacy and ext is: offset.
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next prev parent reply other threads:[~2023-05-19 21:03 UTC|newest]
Thread overview: 200+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-30 22:58 [virtio-dev] [PATCH 00/11] Introduce transitional mmr pci device Parav Pandit
2023-03-30 22:58 ` [virtio-dev] [PATCH 01/11] transport-pci: Use lowecase alphabets Parav Pandit
2023-03-30 22:58 ` [virtio-dev] [PATCH 02/11] transport-pci: Move transitional device id to legacy section Parav Pandit
2023-03-31 6:43 ` [virtio-dev] " Michael S. Tsirkin
2023-03-31 21:24 ` [virtio-dev] " Parav Pandit
2023-04-02 7:54 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 14:42 ` [virtio-dev] " Parav Pandit
2023-04-03 14:50 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 14:58 ` [virtio-dev] " Parav Pandit
2023-04-03 15:14 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 03/11] transport-pci: Split notes of PCI Device Layout Parav Pandit
2023-03-30 22:58 ` [virtio-dev] [PATCH 04/11] transport-pci: Rename and move legacy PCI Device layout section Parav Pandit
2023-03-30 22:58 ` [virtio-dev] [PATCH 05/11] introduction: Add missing helping verb Parav Pandit
2023-03-30 22:58 ` [virtio-dev] [PATCH 06/11] introduction: Introduce transitional MMR interface Parav Pandit
2023-04-07 9:17 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 07/11] transport-pci: Introduce transitional MMR device id Parav Pandit
2023-04-04 7:28 ` [virtio-dev] " Michael S. Tsirkin
2023-04-04 16:08 ` Parav Pandit
2023-04-07 12:03 ` [virtio-dev] Re: [virtio-comment] " Michael S. Tsirkin
2023-04-07 15:18 ` [virtio-dev] " Parav Pandit
2023-04-07 15:51 ` [virtio-dev] " Michael S. Tsirkin
2023-04-09 3:15 ` [virtio-dev] " Parav Pandit
2023-04-10 10:18 ` [virtio-dev] " Michael S. Tsirkin
2023-04-10 14:34 ` Parav Pandit
2023-04-10 19:58 ` Michael S. Tsirkin
2023-04-10 20:16 ` Parav Pandit
2023-04-07 8:37 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 08/11] transport-pci: Introduce virtio extended capability Parav Pandit
2023-04-04 7:35 ` [virtio-dev] " Michael S. Tsirkin
2023-04-04 7:54 ` Cornelia Huck
2023-04-04 12:43 ` Michael S. Tsirkin
2023-04-04 13:19 ` Cornelia Huck
2023-04-04 14:37 ` Michael S. Tsirkin
2023-04-10 16:21 ` Parav Pandit
2023-04-10 19:49 ` Michael S. Tsirkin
2023-04-10 19:57 ` [virtio-dev] " Parav Pandit
2023-04-10 20:02 ` [virtio-dev] " Michael S. Tsirkin
2023-04-11 8:39 ` Cornelia Huck
2023-04-04 21:18 ` [virtio-dev] " Parav Pandit
2023-04-05 5:10 ` [virtio-dev] " Michael S. Tsirkin
2023-04-05 13:16 ` [virtio-dev] " Parav Pandit
2023-04-07 8:15 ` [virtio-dev] " Michael S. Tsirkin
2023-04-10 1:36 ` [virtio-dev] " Jason Wang
2023-04-10 6:24 ` Michael S. Tsirkin
2023-04-10 7:16 ` Jason Wang
2023-04-10 10:04 ` Michael S. Tsirkin
2023-04-11 2:19 ` Jason Wang
2023-04-11 7:00 ` Michael S. Tsirkin
2023-04-11 9:07 ` Jason Wang
2023-04-11 10:43 ` Michael S. Tsirkin
2023-04-11 13:59 ` Parav Pandit
2023-04-11 14:11 ` Michael S. Tsirkin
2023-04-11 13:47 ` Parav Pandit
2023-04-11 14:02 ` Michael S. Tsirkin
2023-04-11 14:07 ` [virtio-dev] RE: [virtio-comment] " Parav Pandit
2023-04-11 14:10 ` [virtio-dev] " Michael S. Tsirkin
2023-04-11 14:30 ` [virtio-dev] " Parav Pandit
2023-04-10 17:54 ` Parav Pandit
2023-04-10 17:58 ` [virtio-dev] RE: [virtio-comment] " Parav Pandit
2023-04-11 3:28 ` Jason Wang
2023-04-11 19:01 ` Parav Pandit
2023-04-11 21:25 ` Michael S. Tsirkin
2023-04-12 0:40 ` Parav Pandit
2023-04-12 2:56 ` Michael S. Tsirkin
2023-04-12 4:07 ` Jason Wang
2023-04-12 4:20 ` Michael S. Tsirkin
2023-04-12 4:53 ` [virtio-dev] Re: [virtio-comment] " Jason Wang
2023-04-12 5:25 ` Michael S. Tsirkin
2023-04-12 5:37 ` Jason Wang
2023-04-13 17:03 ` Michael S. Tsirkin
2023-04-12 4:04 ` Jason Wang
2023-04-12 4:13 ` Parav Pandit
2023-04-12 4:20 ` Michael S. Tsirkin
2023-04-12 4:55 ` Jason Wang
2023-05-19 6:10 ` [virtio-dev] " Michael S. Tsirkin
2023-05-19 21:02 ` Parav Pandit [this message]
2023-05-21 5:57 ` Michael S. Tsirkin
2023-05-21 13:24 ` [virtio-dev] " Parav Pandit
2023-05-21 14:34 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 09/11] transport-pci: Describe PCI MMR dev config registers Parav Pandit
2023-04-07 8:55 ` [virtio-dev] " Michael S. Tsirkin
2023-04-10 1:33 ` [virtio-dev] Re: [virtio-comment] " Jason Wang
2023-04-10 6:14 ` Michael S. Tsirkin
2023-04-10 6:20 ` Jason Wang
2023-04-10 6:39 ` Michael S. Tsirkin
2023-04-10 7:20 ` Jason Wang
2023-04-10 10:06 ` Michael S. Tsirkin
2023-04-11 2:13 ` Jason Wang
2023-04-11 7:04 ` Michael S. Tsirkin
2023-04-11 9:01 ` Jason Wang
[not found] ` <CALBs2cXURMEzCGnULicXbsBfwnKE5cZOz=M-_hhFCXZ=Lqb9Nw@mail.gmail.com>
2023-04-11 10:39 ` Michael S. Tsirkin
2023-04-11 11:03 ` Yan Vugenfirer
2023-04-11 10:42 ` Michael S. Tsirkin
2023-04-12 3:58 ` Jason Wang
2023-04-12 4:15 ` Michael S. Tsirkin
2023-04-12 4:51 ` Jason Wang
2023-04-12 5:01 ` [virtio-dev] " Parav Pandit
2023-04-12 5:14 ` [virtio-dev] " Jason Wang
2023-04-12 5:30 ` [virtio-dev] " Parav Pandit
2023-04-12 5:38 ` [virtio-dev] " Jason Wang
2023-04-12 5:55 ` [virtio-dev] " Parav Pandit
2023-04-12 6:15 ` [virtio-dev] " Jason Wang
2023-04-12 14:23 ` [virtio-dev] " Parav Pandit
2023-04-13 1:48 ` [virtio-dev] " Jason Wang
2023-04-13 3:31 ` Parav Pandit
2023-04-13 5:14 ` Jason Wang
2023-04-13 17:19 ` Michael S. Tsirkin
2023-04-13 19:39 ` [virtio-dev] " Parav Pandit
2023-04-14 3:09 ` [virtio-dev] " Jason Wang
2023-04-14 3:18 ` [virtio-dev] " Parav Pandit
2023-04-14 3:37 ` [virtio-dev] " Jason Wang
2023-04-14 3:51 ` [virtio-dev] " Parav Pandit
2023-04-14 7:05 ` [virtio-dev] " Michael S. Tsirkin
2023-04-17 3:22 ` Jason Wang
2023-04-17 17:23 ` [virtio-dev] " Parav Pandit
2023-04-17 20:26 ` [virtio-dev] " Michael S. Tsirkin
2023-04-17 20:28 ` [virtio-dev] " Parav Pandit
2023-04-18 0:36 ` [virtio-dev] " Jason Wang
2023-04-18 1:30 ` [virtio-dev] " Parav Pandit
2023-04-18 11:58 ` [virtio-dev] " Michael S. Tsirkin
2023-04-18 12:09 ` [virtio-dev] " Parav Pandit
2023-04-18 12:30 ` [virtio-dev] " Michael S. Tsirkin
2023-04-18 12:36 ` [virtio-dev] " Parav Pandit
2023-04-18 1:01 ` [virtio-dev] " Jason Wang
2023-04-18 1:48 ` [virtio-dev] " Parav Pandit
2023-04-13 17:24 ` [virtio-dev] " Parav Pandit
2023-04-13 21:02 ` Michael S. Tsirkin
2023-04-13 21:08 ` [virtio-dev] " Parav Pandit
2023-04-14 2:36 ` [virtio-dev] " Jason Wang
2023-04-14 2:43 ` [virtio-dev] " Parav Pandit
2023-04-14 6:57 ` [virtio-dev] " Michael S. Tsirkin
2023-04-16 13:41 ` [virtio-dev] " Parav Pandit
2023-04-16 20:44 ` [virtio-dev] " Michael S. Tsirkin
2023-04-17 16:59 ` [virtio-dev] " Parav Pandit
2023-04-18 1:09 ` [virtio-dev] " Jason Wang
2023-04-18 1:37 ` [virtio-dev] " Parav Pandit
2023-04-14 6:58 ` [virtio-dev] " Michael S. Tsirkin
2023-04-14 3:08 ` Jason Wang
2023-04-14 3:13 ` [virtio-dev] " Parav Pandit
2023-04-14 3:18 ` [virtio-dev] " Jason Wang
2023-04-14 3:22 ` [virtio-dev] " Parav Pandit
2023-04-14 3:29 ` [virtio-dev] " Jason Wang
2023-04-11 13:57 ` [virtio-dev] " Parav Pandit
2023-04-12 4:33 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 10/11] transport-pci: Use driver notification PCI capability Parav Pandit
2023-04-12 4:31 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 4:37 ` [virtio-dev] " Parav Pandit
2023-04-12 4:43 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 4:48 ` [virtio-dev] " Parav Pandit
2023-04-12 5:02 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 5:06 ` [virtio-dev] RE: [virtio-comment] " Parav Pandit
2023-04-12 5:17 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 5:24 ` [virtio-dev] " Parav Pandit
2023-04-12 5:27 ` [virtio-dev] " Michael S. Tsirkin
2023-03-30 22:58 ` [virtio-dev] [PATCH 11/11] conformance: Add transitional MMR interface conformance Parav Pandit
2023-03-31 7:03 ` [virtio-dev] Re: [PATCH 00/11] Introduce transitional mmr pci device Michael S. Tsirkin
2023-03-31 21:43 ` Parav Pandit
2023-04-03 14:53 ` Michael S. Tsirkin
2023-04-03 14:57 ` [virtio-dev] " Parav Pandit
2023-04-03 15:06 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 15:16 ` [virtio-dev] " Parav Pandit
2023-04-03 15:23 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 15:34 ` Michael S. Tsirkin
2023-04-03 15:47 ` [virtio-dev] " Parav Pandit
2023-04-03 17:28 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 17:35 ` Parav Pandit
2023-04-03 17:39 ` Michael S. Tsirkin
2023-04-03 15:36 ` [virtio-dev] RE: [virtio-comment] " Parav Pandit
2023-04-03 17:16 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 17:29 ` Parav Pandit
2023-04-03 18:02 ` Michael S. Tsirkin
2023-04-03 20:25 ` [virtio-dev] " Parav Pandit
2023-04-03 21:04 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 22:00 ` Parav Pandit
2023-04-07 9:35 ` Michael S. Tsirkin
2023-04-10 1:52 ` Jason Wang
2023-04-03 14:45 ` [virtio-dev] Re: [virtio-comment] " Stefan Hajnoczi
2023-04-03 14:53 ` Parav Pandit
2023-04-03 17:48 ` Michael S. Tsirkin
2023-04-03 19:11 ` Stefan Hajnoczi
2023-04-03 20:03 ` Michael S. Tsirkin
2023-04-03 19:48 ` [virtio-dev] " Parav Pandit
2023-04-03 20:02 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 20:42 ` [virtio-dev] " Parav Pandit
2023-04-03 21:14 ` [virtio-dev] " Michael S. Tsirkin
2023-04-03 22:08 ` Parav Pandit
2023-04-03 19:10 ` Stefan Hajnoczi
2023-04-03 20:27 ` [virtio-dev] " Parav Pandit
2023-04-04 14:30 ` [virtio-dev] " Stefan Hajnoczi
2023-04-12 4:48 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 4:52 ` [virtio-dev] " Parav Pandit
2023-04-12 5:12 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 5:15 ` [virtio-dev] RE: [virtio-comment] " Parav Pandit
2023-04-12 5:23 ` [virtio-dev] " Michael S. Tsirkin
2023-04-12 5:39 ` [virtio-dev] " Parav Pandit
2023-04-12 6:02 ` Parav Pandit
2023-04-12 5:10 ` [virtio-dev] " Halil Pasic
2023-04-25 2:42 ` [virtio-dev] " Parav Pandit
2023-05-02 7:17 ` [virtio-dev] Re: [virtio-comment] " David Edmondson
2023-05-02 13:54 ` [virtio-dev] " Parav Pandit
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