spec numbers ports port0, port 1 etc, then goes on to say
"ports 2 onwards only if MULTIPORT is set".
An obvious thinko, should be port 1 onwards.
Signed-off-by: Michael S. Tsirkin
---
virtio-spec.lyx | 8 +++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/virtio-spec.lyx b/vi
Drivers treat MUST_TELL_HOST as optional: windows drivers do not ack it
and expect this means they can tell host *after* deflate. This was not
the intent but the documentation was not very clear on this point.
Luckily hyprevisors did not implement this feature yet so to provide
guidance for futur
"A number of virtqueues are created" seems clearer
than "the number of virtqueues": it's
virtqueues that are created not the number.
Signed-off-by: Michael S. Tsirkin
---
I'm not a native english speaker but the below
seems correct to me. Rusty?
virtio-spec.lyx | 2 +-
1 file changed, 1 insert
On Fri, Sep 07, 2012 at 02:17:08AM +0200, Sasha Levin wrote:
> Hi Michael,
>
> On 09/06/2012 02:08 PM, Michael S. Tsirkin wrote:
> > Add multiqueue support to virtio network device.
> > Add a new feature flag VIRTIO_NET_F_MULTIQUEUE for this feature, a new
> > configuration field max_virtqueue_pai
Add multiqueue support to virtio network device. Add a new feature flag
VIRTIO_NET_F_MULTIQUEUE for this feature, a +new configuration field
max_virtqueue_pairs to detect supported number +of virtqueues as well as
a new command VIRTIO_NET_CTRL_STEERING to +program packet steering.
Signed-off-by:
Hi Alexey,
On (Sat) 01 Sep 2012 [23:49:37], Alexey Khoroshilov wrote:
> If register_virtio_driver() fails, virtio-ports class is not destroyed.
> The patch adds error handling of register_virtio_driver().
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexe
On (Sun) 09 Sep 2012 [15:11:17], Michael S. Tsirkin wrote:
> "A number of virtqueues are created" seems clearer
> than "the number of virtqueues": it's
> virtqueues that are created not the number.
>
> Signed-off-by: Michael S. Tsirkin
Acked-by: Amit Shah
Amit
_
On (Sun) 09 Sep 2012 [14:08:37], Michael S. Tsirkin wrote:
> spec numbers ports port0, port 1 etc, then goes on to say
> "ports 2 onwards only if MULTIPORT is set".
> An obvious thinko, should be port 1 onwards.
>
> Signed-off-by: Michael S. Tsirkin
Acked-by: Amit Shah
Amit
___
Amit Shah writes:
> On (Sat) 01 Sep 2012 [23:49:37], Alexey Khoroshilov wrote:
>> If register_virtio_driver() fails, virtio-ports class is not destroyed.
>> The patch adds error handling of register_virtio_driver().
>>
>> Found by Linux Driver Verification project (linuxtesting.org).
>>
>> Signe
OK, I read the spec (pasted below for easy of reading), but I'm still
confused over how this will work.
I thought normal net drivers have the hardware provide an rxhash for
each packet, and we map that to CPU to queue the packet on[1]. We hope
that the receiving process migrates to that CPU, so x
"Michael S. Tsirkin" writes:
> On Sat, Sep 08, 2012 at 02:36:00PM +0930, Rusty Russell wrote:
>> "Michael S. Tsirkin" writes:
>> > On Fri, Sep 07, 2012 at 04:09:50PM +0930, Rusty Russell wrote:
>> >> > So it looks like a bug: we should teach driver to tell host first on
>> >> > leak?
>> >> > Yan
Il 09/09/2012 00:22, Michael S. Tsirkin ha scritto:
>> Almost. One is "the guest, if really needed, can tell the host of
>> pages". If not negotiated, and the host does not support it, the host
>> must break the guest (e.g. fail to offer any virtqueues).
>
> There is no way in spec to break the
On Mon, Sep 10, 2012 at 11:13:12AM +0930, Rusty Russell wrote:
> "Michael S. Tsirkin" writes:
> > On Sat, Sep 08, 2012 at 02:36:00PM +0930, Rusty Russell wrote:
> >> "Michael S. Tsirkin" writes:
> >> > On Fri, Sep 07, 2012 at 04:09:50PM +0930, Rusty Russell wrote:
> >> >> > So it looks like a bug
Il 10/09/2012 03:43, Rusty Russell ha scritto:
>> Now that vfio is upstream and work on qemu integration
>> is being worked on, we might finally see people using this bit
>> to allow memory overcommit with device assignment.
> That was left-field so you're saying some guest might pull a page
>
On Mon, Sep 10, 2012 at 07:50:13AM +0200, Paolo Bonzini wrote:
> Il 09/09/2012 00:22, Michael S. Tsirkin ha scritto:
> >> Almost. One is "the guest, if really needed, can tell the host of
> >> pages". If not negotiated, and the host does not support it, the host
> >> must break the guest (e.g. fa
On Mon, Sep 10, 2012 at 11:42:25AM +0930, Rusty Russell wrote:
> OK, I read the spec (pasted below for easy of reading), but I'm still
> confused over how this will work.
>
> I thought normal net drivers have the hardware provide an rxhash for
> each packet, and we map that to CPU to queue the pac
Il 09/09/2012 13:36, Michael S. Tsirkin ha scritto:
> \begin_layout Enumerate
> -If the VIRTIO_BALLOON_F_MUST_TELL_HOST feature is set, the guest may not
> - use these requested pages until that descriptor in the deflateq has been
> - used by the device.
> +If the VIRTIO_BALLOON_F_MUST_TELL_HOST f
Il 09/09/2012 00:40, Michael S. Tsirkin ha scritto:
> On Fri, Sep 07, 2012 at 06:00:50PM +0200, Paolo Bonzini wrote:
>> Il 07/09/2012 08:48, Nicholas A. Bellinger ha scritto:
>>> Cc: Stefan Hajnoczi
>>> Cc: Zhi Yong Wu
>>> Cc: Michael S. Tsirkin
>>> Cc: Paolo Bonzini
>>> Signed-off-by: Nicholas
On Mon, Sep 10, 2012 at 08:16:54AM +0200, Paolo Bonzini wrote:
> Il 09/09/2012 00:40, Michael S. Tsirkin ha scritto:
> > On Fri, Sep 07, 2012 at 06:00:50PM +0200, Paolo Bonzini wrote:
> >> Il 07/09/2012 08:48, Nicholas A. Bellinger ha scritto:
> >>> Cc: Stefan Hajnoczi
> >>> Cc: Zhi Yong Wu
> >>>
On Mon, Sep 10, 2012 at 09:16:29AM +0300, Michael S. Tsirkin wrote:
> On Mon, Sep 10, 2012 at 11:42:25AM +0930, Rusty Russell wrote:
> > OK, I read the spec (pasted below for easy of reading), but I'm still
> > confused over how this will work.
> >
> > I thought normal net drivers have the hardwar
On Mon, Sep 10, 2012 at 09:27:38AM +0300, Michael S. Tsirkin wrote:
> On Mon, Sep 10, 2012 at 09:16:29AM +0300, Michael S. Tsirkin wrote:
> > On Mon, Sep 10, 2012 at 11:42:25AM +0930, Rusty Russell wrote:
> > > OK, I read the spec (pasted below for easy of reading), but I'm still
> > > confused ove
Il 10/09/2012 08:03, Michael S. Tsirkin ha scritto:
> On Mon, Sep 10, 2012 at 07:50:13AM +0200, Paolo Bonzini wrote:
>> Il 09/09/2012 00:22, Michael S. Tsirkin ha scritto:
Almost. One is "the guest, if really needed, can tell the host of
pages". If not negotiated, and the host does not
Il 10/09/2012 08:24, Michael S. Tsirkin ha scritto:
>> > I chose the backend name because, ideally, there would be no other
>> > difference. QEMU _could_ implement all the goodies in vhost-scsi (such
>> > as reservations or ALUA), it just doesn't do that yet.
>> >
>> > Paolo
> Then why do you say
On Mon, Sep 10, 2012 at 08:38:09AM +0200, Paolo Bonzini wrote:
> Il 10/09/2012 08:03, Michael S. Tsirkin ha scritto:
> > On Mon, Sep 10, 2012 at 07:50:13AM +0200, Paolo Bonzini wrote:
> >> Il 09/09/2012 00:22, Michael S. Tsirkin ha scritto:
> Almost. One is "the guest, if really needed, can t
On Mon, Sep 10, 2012 at 08:42:15AM +0200, Paolo Bonzini wrote:
> Il 10/09/2012 08:24, Michael S. Tsirkin ha scritto:
> >> > I chose the backend name because, ideally, there would be no other
> >> > difference. QEMU _could_ implement all the goodies in vhost-scsi (such
> >> > as reservations or ALU
Il 10/09/2012 08:47, Michael S. Tsirkin ha scritto:
> On Mon, Sep 10, 2012 at 08:38:09AM +0200, Paolo Bonzini wrote:
>> Il 10/09/2012 08:03, Michael S. Tsirkin ha scritto:
>>> On Mon, Sep 10, 2012 at 07:50:13AM +0200, Paolo Bonzini wrote:
Il 09/09/2012 00:22, Michael S. Tsirkin ha scritto:
>>>
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