From: Stefan Hajnoczi <stefanha@redhat.com>
To: "Longpeng (Mike,
Cloud Infrastructure Service Product Dept.)"
<longpeng2@huawei.com>
Cc: "mst@redhat.com" <mst@redhat.com>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"cohuck@redhat.com" <cohuck@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Yechuan <yechuan@huawei.com>,
"Gonglei \(Arei\)" <arei.gonglei@huawei.com>,
Huangzhichao <huangzhichao@huawei.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"sgarzare@redhat.com" <sgarzare@redhat.com>
Subject: Re: [RFC 03/10] vdpa: add the infrastructure of vdpa-dev
Date: Thu, 6 Jan 2022 11:25:14 +0000 [thread overview]
Message-ID: <YdbRmqnh1GYDtCR8@stefanha-x1.localdomain> (raw)
In-Reply-To: <21147b9ccec84deabbd1dcf32f19f05e@huawei.com>
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On Thu, Jan 06, 2022 at 01:22:19AM +0000, Longpeng (Mike, Cloud Infrastructure Service Product Dept.) wrote:
>
>
> > -----Original Message-----
> > From: Stefan Hajnoczi [mailto:stefanha@redhat.com]
> > Sent: Wednesday, January 5, 2022 5:49 PM
> > To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> > <longpeng2@huawei.com>
> > Cc: mst@redhat.com; jasowang@redhat.com; sgarzare@redhat.com;
> > cohuck@redhat.com; pbonzini@redhat.com; Gonglei (Arei)
> > <arei.gonglei@huawei.com>; Yechuan <yechuan@huawei.com>; Huangzhichao
> > <huangzhichao@huawei.com>; qemu-devel@nongnu.org
> > Subject: Re: [RFC 03/10] vdpa: add the infrastructure of vdpa-dev
> >
> > On Wed, Jan 05, 2022 at 08:58:53AM +0800, Longpeng(Mike) wrote:
> > > +static const VirtioPCIDeviceTypeInfo vhost_vdpa_device_pci_info = {
> > > + .base_name = TYPE_VHOST_VDPA_DEVICE_PCI,
> > > + .generic_name = "vhost-vdpa-device-pci",
> > > + .transitional_name = "vhost-vdpa-device-pci-transitional",
> > > + .non_transitional_name = "vhost-vdpa-device-pci-non-transitional",
> >
> > Does vDPA support Transitional VIRTIO devices?
> >
> > I expected this device to support Modern devices only.
> >
>
> There's already a 0.95 vdpa driver (Alibaba ENI) in the kernel source and
> supporting 0.95 devices is necessary for some older GuestOS.
>
> I'm OK if other guys also approve of supporting 1.0+ devices only :)
If vDPA supports Transitional VIRTIO devices then it's fine to keep this
code unchanged in this patch series.
Stefan
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next prev parent reply other threads:[~2022-01-06 11:28 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-05 0:58 [RFC 00/10] add generic vDPA device support Longpeng(Mike) via
2022-01-05 0:58 ` [RFC 01/10] virtio: get class_id and pci device id by the virtio id Longpeng(Mike) via
2022-01-05 4:37 ` Jason Wang
2022-01-05 5:47 ` longpeng2--- via
2022-01-05 6:15 ` Jason Wang
2022-01-10 3:03 ` longpeng2--- via
2022-01-05 10:46 ` Cornelia Huck
2022-01-06 1:50 ` longpeng2--- via
2022-01-10 5:43 ` Michael S. Tsirkin
2022-01-10 6:27 ` longpeng2--- via
2022-01-10 7:14 ` Michael S. Tsirkin
2022-01-05 0:58 ` [RFC 02/10] vhost: add 3 commands for vhost-vdpa Longpeng(Mike) via
2022-01-05 4:35 ` Jason Wang
2022-01-05 6:40 ` longpeng2--- via
2022-01-05 6:43 ` Jason Wang
2022-01-05 7:02 ` Michael S. Tsirkin
2022-01-05 7:54 ` Jason Wang
2022-01-05 8:37 ` longpeng2--- via
2022-01-05 9:09 ` Jason Wang
2022-01-05 12:26 ` Michael S. Tsirkin
2022-01-06 2:34 ` Jason Wang
2022-01-06 8:00 ` longpeng2--- via
2022-01-07 2:41 ` Jason Wang
2022-01-06 14:09 ` Michael S. Tsirkin
2022-01-07 2:53 ` Jason Wang
2022-01-05 9:12 ` Michael S. Tsirkin
2022-01-05 9:21 ` Jason Wang
2022-01-05 0:58 ` [RFC 03/10] vdpa: add the infrastructure of vdpa-dev Longpeng(Mike) via
2022-01-05 9:48 ` Stefan Hajnoczi
2022-01-06 1:22 ` longpeng2--- via
2022-01-06 11:25 ` Stefan Hajnoczi [this message]
2022-01-07 2:22 ` Jason Wang
2022-01-05 0:58 ` [RFC 04/10] vdpa-dev: implement the instance_init/class_init interface Longpeng(Mike) via
2022-01-05 10:00 ` Stefan Hajnoczi
2022-01-06 2:39 ` longpeng2--- via
2022-01-05 11:28 ` Stefano Garzarella
2022-01-06 2:40 ` longpeng2--- via
2022-01-05 0:58 ` [RFC 05/10] vdpa-dev: implement the realize interface Longpeng(Mike) via
2022-01-05 10:17 ` Stefan Hajnoczi
2022-01-06 3:02 ` longpeng2--- via
2022-01-06 11:34 ` Stefan Hajnoczi
2022-01-17 12:34 ` longpeng2--- via
2022-01-19 17:15 ` Stefan Hajnoczi
2022-01-05 0:58 ` [RFC 06/10] vdpa-dev: implement the unrealize interface Longpeng(Mike) via
2022-01-05 11:16 ` Stefano Garzarella
2022-01-06 3:23 ` longpeng2--- via
2022-01-10 9:38 ` Stefano Garzarella
2022-01-05 0:58 ` [RFC 07/10] vdpa-dev: implement the get_config/set_config interface Longpeng(Mike) via
2022-01-05 0:58 ` [RFC 08/10] vdpa-dev: implement the get_features interface Longpeng(Mike) via
2022-01-05 0:58 ` [RFC 09/10] vdpa-dev: implement the set_status interface Longpeng(Mike) via
2022-01-05 0:59 ` [RFC 10/10] vdpa-dev: mark the device as unmigratable Longpeng(Mike) via
2022-01-05 10:21 ` [RFC 00/10] add generic vDPA device support Stefan Hajnoczi
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