Displaying 5 results from an estimated 5 matches for "virito_device".
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uvirtio_device
2020 Feb 14
2
[PATCH V2 3/5] vDPA: introduce vDPA bus
...er any semantic variations 'in band'
>
> That's not true, char interface is only used for vhost. Kernel virtio driver
> does not need char dev but a device on the virtio bus.
Okay, this is fine, but why do you need two busses to accomplish this?
Shouldn't the 'struct virito_device' be the plug in point for HW
drivers I was talking about - and from there a vhost-user can connect
to the struct virtio_device to give it a char dev or a kernel driver
can connect to link it to another subsystem?
It is easy to see something is going wrong with this design because
the drivers/v...
2020 Feb 14
2
[PATCH V2 3/5] vDPA: introduce vDPA bus
...er any semantic variations 'in band'
>
> That's not true, char interface is only used for vhost. Kernel virtio driver
> does not need char dev but a device on the virtio bus.
Okay, this is fine, but why do you need two busses to accomplish this?
Shouldn't the 'struct virito_device' be the plug in point for HW
drivers I was talking about - and from there a vhost-user can connect
to the struct virtio_device to give it a char dev or a kernel driver
can connect to link it to another subsystem?
It is easy to see something is going wrong with this design because
the drivers/v...
2020 Feb 17
0
[PATCH V2 3/5] vDPA: introduce vDPA bus
...o bus operations requires the virtqueue
to be allocated by the transport driver.
So it's cheaper and simpler to introduce a new bus instead of
refactoring a well known bus and API where brunches of drivers and
devices had been implemented for years.
>
> Shouldn't the 'struct virito_device' be the plug in point for HW
> drivers I was talking about - and from there a vhost-user can connect
> to the struct virtio_device to give it a char dev or a kernel driver
> can connect to link it to another subsystem?
From vhost point of view, it would only need to connect vDPA bus...
2020 Feb 13
4
[PATCH V2 3/5] vDPA: introduce vDPA bus
On Thu, Feb 13, 2020 at 10:58:44PM +0800, Jason Wang wrote:
>
> On 2020/2/13 ??9:41, Jason Gunthorpe wrote:
> > On Thu, Feb 13, 2020 at 11:34:10AM +0800, Jason Wang wrote:
> >
> > > > You have dev, type or
> > > > class to choose from. Type is rarely used and doesn't seem to be used
> > > > by vdpa, so class seems the right choice
>
2020 Feb 13
4
[PATCH V2 3/5] vDPA: introduce vDPA bus
On Thu, Feb 13, 2020 at 10:58:44PM +0800, Jason Wang wrote:
>
> On 2020/2/13 ??9:41, Jason Gunthorpe wrote:
> > On Thu, Feb 13, 2020 at 11:34:10AM +0800, Jason Wang wrote:
> >
> > > > You have dev, type or
> > > > class to choose from. Type is rarely used and doesn't seem to be used
> > > > by vdpa, so class seems the right choice
>