Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-21 Thread Rusty Russell
On Wed, 15 Aug 2012 09:48:44 +0200, Christian Borntraeger wrote: > >> Have you written an appendix for the virtio specification for > >> virtio-ccw? I think it would be good to include in this series for the > >> purposes of review. > > > > Might be nice, but don't get fancy about it. Text wil

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-15 Thread Christian Borntraeger
>> Have you written an appendix for the virtio specification for >> virtio-ccw? I think it would be good to include in this series for the >> purposes of review. > > Might be nice, but don't get fancy about it. Text will be fine and I > can cut & paste it in once it's finalized. There was a pat

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-15 Thread Rusty Russell
On Tue, 14 Aug 2012 14:56:07 -0500, Anthony Liguori wrote: > Cornelia Huck writes: > > > Add a driver for kvm guests that matches virtual ccw devices provided > > by the host as virtio bridge devices. > > > > These virtio-ccw devices use a special set of channel commands in order > > to perform

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-14 Thread Rusty Russell
On Tue, 14 Aug 2012 13:03:34 +0200, Cornelia Huck wrote: > > It would be per-machine; per-device would be a bit crazy. We'd > > deprecate the old ring format. > > > > There's been no consistent thread on the ideas for a ring change, > > unfortunately, but you can find interesting parts here, of

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-14 Thread Anthony Liguori
Cornelia Huck writes: > Add a driver for kvm guests that matches virtual ccw devices provided > by the host as virtio bridge devices. > > These virtio-ccw devices use a special set of channel commands in order > to perform virtio functions. > > Signed-off-by: Cornelia Huck Hi, Have you written

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-14 Thread Cornelia Huck
On Tue, 14 Aug 2012 09:40:01 +0930 Rusty Russell wrote: > On Mon, 13 Aug 2012 10:56:38 +0200, Cornelia Huck > wrote: > > On Wed, 08 Aug 2012 13:52:57 +0930 > > Rusty Russell wrote: > > > > > On Tue, 7 Aug 2012 16:52:47 +0200, Cornelia Huck > > > wrote: > > > 1) Please don't limit yourself

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-13 Thread Rusty Russell
On Mon, 13 Aug 2012 10:56:38 +0200, Cornelia Huck wrote: > On Wed, 08 Aug 2012 13:52:57 +0930 > Rusty Russell wrote: > > > On Tue, 7 Aug 2012 16:52:47 +0200, Cornelia Huck > > wrote: > > 1) Please don't limit yourself to 32 feature bits! If you look at how > >virtio_mmio does it, they u

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-13 Thread Cornelia Huck
On Wed, 08 Aug 2012 13:52:57 +0930 Rusty Russell wrote: > On Tue, 7 Aug 2012 16:52:47 +0200, Cornelia Huck > wrote: > > Add a driver for kvm guests that matches virtual ccw devices provided > > by the host as virtio bridge devices. > > Hi Cornelia, > > OK, this is a good opportunity

Re: [PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-12 Thread Rusty Russell
On Tue, 7 Aug 2012 16:52:47 +0200, Cornelia Huck wrote: > Add a driver for kvm guests that matches virtual ccw devices provided > by the host as virtio bridge devices. Hi Cornelia, OK, this is a good opportunity to fix some limitations, just as we did for virtio_mmio (drivers/virtio/vi

[PATCH 3/4] s390/kvm: Add a channel I/O based virtio transport driver.

2012-08-07 Thread Cornelia Huck
Add a driver for kvm guests that matches virtual ccw devices provided by the host as virtio bridge devices. These virtio-ccw devices use a special set of channel commands in order to perform virtio functions. Signed-off-by: Cornelia Huck --- arch/s390/include/asm/irq.h | 1 + arch/s390/kern