This patch introduces a mdev based hardware vhost backend.
This backend is built on top of the same abstraction used
in virtio-mdev and provides a generic vhost interface for
userspace to accelerate the virtio devices in guest.
This backend is implemented as a mdev device driver on top
of the same
On 2019/9/25 下午9:21, Michael S. Tsirkin wrote:
On Wed, Sep 25, 2019 at 08:45:21PM +0800, Jason Wang wrote:
On 2019/9/25 下午5:09, Tian, Kevin wrote:
From: Jason Wang [mailto:jasow...@redhat.com]
Sent: Tuesday, September 24, 2019 9:54 PM
This patch implements basic support for mdev driver that s
> From: Jason Wang
> Sent: Wednesday, September 25, 2019 8:45 PM
>
>
> On 2019/9/25 下午5:09, Tian, Kevin wrote:
> >> From: Jason Wang [mailto:jasow...@redhat.com]
> >> Sent: Tuesday, September 24, 2019 9:54 PM
> >>
> >> This patch implements basic support for mdev driver that supports
> >> virtio
On Wed, 25 Sep 2019 10:11:00 -0400
Rob Miller wrote:
> > > On Tue, 24 Sep 2019 21:53:29 +0800
> > > Jason Wang wrote:
> > > > diff --git a/drivers/vfio/mdev/vfio_mdev.c
> > > b/drivers/vfio/mdev/vfio_mdev.c
> > > > index 891cf83a2d9a..95efa054442f 100644
> > > > --- a/drivers/vfio/mdev/vfio_m
On Wed, Sep 25, 2019 at 4:52 AM Tian, Kevin wrote:
> > From: Alex Williamson
> > Sent: Wednesday, September 25, 2019 7:07 AM
> >
> > On Tue, 24 Sep 2019 21:53:29 +0800
> > Jason Wang wrote:
> >
> > > Currently, except for the create and remove, the rest of
> > > mdev_parent_ops is designed for v
On Wed, Sep 25, 2019 at 08:45:21PM +0800, Jason Wang wrote:
>
> On 2019/9/25 下午5:09, Tian, Kevin wrote:
> > > From: Jason Wang [mailto:jasow...@redhat.com]
> > > Sent: Tuesday, September 24, 2019 9:54 PM
> > >
> > > This patch implements basic support for mdev driver that supports
> > > virtio tr
On 2019/9/25 下午5:09, Tian, Kevin wrote:
From: Jason Wang [mailto:jasow...@redhat.com]
Sent: Tuesday, September 24, 2019 9:54 PM
This patch implements basic support for mdev driver that supports
virtio transport for kernel virtio driver.
Signed-off-by: Jason Wang
---
include/linux/mdev.h
On 2019/9/25 下午4:24, Tian, Kevin wrote:
>> From: Jason Wang [mailto:jasow...@redhat.com]
>> Sent: Tuesday, September 24, 2019 9:53 PM
>>
>> Hi all:
>>
>> There are hardware that can do virtio datapath offloading while having
>> its own control path. This path tries to implement a mdev based
>> uni
On 2019/9/25 下午4:28, Tian, Kevin wrote:
>> From: Jason Wang
>> Sent: Tuesday, September 24, 2019 9:53 PM
>>
>> Mdev bus only supports vfio driver right now, so it doesn't implement
>> match method. But in the future, we may add drivers other than vfio,
>> the first driver could be virtio-mdev. Thi
On 2019/9/25 上午7:06, Alex Williamson wrote:
> On Tue, 24 Sep 2019 21:53:30 +0800
> Jason Wang wrote:
>
>> This patch implements basic support for mdev driver that supports
>> virtio transport for kernel virtio driver.
>>
>> Signed-off-by: Jason Wang
>> ---
>> include/linux/mdev.h| 2 +
On 2019/9/25 上午7:06, Alex Williamson wrote:
> On Tue, 24 Sep 2019 21:53:29 +0800
> Jason Wang wrote:
>
>> Currently, except for the create and remove, the rest of
>> mdev_parent_ops is designed for vfio-mdev driver only and may not help
>> for kernel mdev driver. With the help of class id, this p
On 2019/9/25 上午7:06, Alex Williamson wrote:
> On Tue, 24 Sep 2019 21:53:26 +0800
> Jason Wang wrote:
>
>> Mdev bus only supports vfio driver right now, so it doesn't implement
>> match method. But in the future, we may add drivers other than vfio,
>> the first driver could be virtio-mdev. This me
On 2019/9/24 下午10:04, Alex Williamson wrote:
> On Mon, 23 Sep 2019 12:00:41 -0400
> "Michael S. Tsirkin" wrote:
>
>> On Mon, Sep 23, 2019 at 09:45:59AM -0600, Alex Williamson wrote:
>>> On Mon, 23 Sep 2019 21:03:30 +0800
>>> Jason Wang wrote:
>>>
We want to copy from iov to buf, so the d
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Tuesday, September 24, 2019 9:54 PM
>
> This patch implements basic support for mdev driver that supports
> virtio transport for kernel virtio driver.
>
> Signed-off-by: Jason Wang
> ---
> include/linux/mdev.h| 2 +
> include/lin
> From: Alex Williamson
> Sent: Wednesday, September 25, 2019 7:07 AM
>
> On Tue, 24 Sep 2019 21:53:29 +0800
> Jason Wang wrote:
>
> > Currently, except for the create and remove, the rest of
> > mdev_parent_ops is designed for vfio-mdev driver only and may not help
> > for kernel mdev driver. W
> From: Jason Wang
> Sent: Tuesday, September 24, 2019 9:53 PM
>
> Mdev bus only supports vfio driver right now, so it doesn't implement
> match method. But in the future, we may add drivers other than vfio,
> the first driver could be virtio-mdev. This means we need to add
> device class id suppo
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Tuesday, September 24, 2019 9:53 PM
>
> Hi all:
>
> There are hardware that can do virtio datapath offloading while having
> its own control path. This path tries to implement a mdev based
> unified API to support using kernel virtio driver
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