similar to: [RFC PATCH 05/12] s390/cio: add protected virtualization support to cio

On Fri, 5 Apr 2019 01:16:15 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Virtio-ccw relies on cio mechanisms for bootstrapping the ccw device. Well, a ccw device is, by definition, using cio mechanisms ;) Better say: "As virtio-ccw devices are channel devices, we need to use the dma area for any communication with the hypervisor." Or something like that. > Thus we

On Thu, 16 May 2019 08:29:28 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Wed, 15 May 2019 22:51:58 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > > > On Mon, 13 May 2019 11:41:36 +0200 > > Cornelia Huck <cohuck at redhat.com> wrote: > > > > > On Fri, 26 Apr 2019 20:32:41 +0200 > > > Halil Pasic <pasic at

On Mon, 13 May 2019 11:41:36 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Fri, 26 Apr 2019 20:32:41 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > > > As virtio-ccw devices are channel devices, we need to use the dma area > > for any communication with the hypervisor. > > > > This patch addresses the most basic stuff (mostly what is

On Wed, 15 May 2019 22:51:58 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Mon, 13 May 2019 11:41:36 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 26 Apr 2019 20:32:41 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > As virtio-ccw devices are channel devices, we need to use the dma area > >

On Wed, 15 May 2019 22:51:58 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Mon, 13 May 2019 11:41:36 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Fri, 26 Apr 2019 20:32:41 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > As virtio-ccw devices are channel devices, we need to use the dma area > >

On Wed, 10 Apr 2019 15:02:25 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Wed, 10 Apr 2019 10:25:57 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > So, what is a high-level summary of areas that need the treatment? > > What I get from looking at the patches so far, it's: > > - stuff that is written by the hypervisor's interrupt

On 5/13/19 5:41 AM, Cornelia Huck wrote: > On Fri, 26 Apr 2019 20:32:41 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > >> As virtio-ccw devices are channel devices, we need to use the dma area >> for any communication with the hypervisor. >> >> This patch addresses the most basic stuff (mostly what is required for >> virtio-ccw), and does take

On Fri, 26 Apr 2019 20:32:41 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > As virtio-ccw devices are channel devices, we need to use the dma area > for any communication with the hypervisor. > > This patch addresses the most basic stuff (mostly what is required for > virtio-ccw), and does take care of QDIO or any devices. "does not take care of QDIO",

On Fri, 26 Apr 2019 20:32:41 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > As virtio-ccw devices are channel devices, we need to use the dma area > for any communication with the hypervisor. > > This patch addresses the most basic stuff (mostly what is required for > virtio-ccw), and does take care of QDIO or any devices. "does not take care of QDIO",

On Tue, 14 May 2019 10:47:34 -0400 "Jason J. Herne" <jjherne at linux.ibm.com> wrote: > On 5/13/19 5:41 AM, Cornelia Huck wrote: > > On Fri, 26 Apr 2019 20:32:41 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > >> As virtio-ccw devices are channel devices, we need to use the dma area > >> for any communication with the

On 27.05.19 15:31, Cornelia Huck wrote: > On Mon, 27 May 2019 14:30:14 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > >> On Mon, 27 May 2019 12:38:02 +0200 >> Cornelia Huck <cohuck at redhat.com> wrote: >> >>> On Thu, 23 May 2019 18:22:04 +0200 >>> Michael Mueller <mimu at linux.ibm.com> wrote: >>> >>>>

On Mon, 27 May 2019 12:38:02 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Thu, 23 May 2019 18:22:04 +0200 > Michael Mueller <mimu at linux.ibm.com> wrote: > > > From: Halil Pasic <pasic at linux.ibm.com> > > > > As virtio-ccw devices are channel devices, we need to use the dma area > > for any communication with the hypervisor. >

On 03.06.19 14:06, Cornelia Huck wrote: > On Wed, 29 May 2019 14:26:52 +0200 > Michael Mueller <mimu at linux.ibm.com> wrote: > >> From: Halil Pasic <pasic at linux.ibm.com> >> >> As virtio-ccw devices are channel devices, we need to use the dma area >> for any communication with the hypervisor. > > "we need to use the dma area within the

On Mon, 20 May 2019 12:21:43 +0200 Cornelia Huck <cohuck at redhat.com> wrote: > On Sat, 18 May 2019 20:11:00 +0200 > Halil Pasic <pasic at linux.ibm.com> wrote: > > > On Thu, 16 May 2019 08:29:28 +0200 > > Cornelia Huck <cohuck at redhat.com> wrote: > > > > > On Wed, 15 May 2019 22:51:58 +0200 > > > Halil Pasic <pasic at

On Mon, 27 May 2019 14:30:14 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Mon, 27 May 2019 12:38:02 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Thu, 23 May 2019 18:22:04 +0200 > > Michael Mueller <mimu at linux.ibm.com> wrote: > > > > > From: Halil Pasic <pasic at linux.ibm.com> > > > > >

On Mon, 27 May 2019 14:30:14 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Mon, 27 May 2019 12:38:02 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Thu, 23 May 2019 18:22:04 +0200 > > Michael Mueller <mimu at linux.ibm.com> wrote: > > > > > From: Halil Pasic <pasic at linux.ibm.com> > > > > >

On Wed, 29 May 2019 14:26:52 +0200 Michael Mueller <mimu at linux.ibm.com> wrote: > From: Halil Pasic <pasic at linux.ibm.com> > > As virtio-ccw devices are channel devices, we need to use the dma area > for any communication with the hypervisor. "we need to use the dma area within the common I/O layer for any communication with the hypervisor. Note that we do not

On Wed, 29 May 2019 14:26:52 +0200 Michael Mueller <mimu at linux.ibm.com> wrote: > From: Halil Pasic <pasic at linux.ibm.com> > > As virtio-ccw devices are channel devices, we need to use the dma area > for any communication with the hypervisor. "we need to use the dma area within the common I/O layer for any communication with the hypervisor. Note that we do not

On Fri, 26 Apr 2019 20:32:35 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > Enhanced virtualization protection technology may require the use of > bounce buffers for I/O. While support for this was built into the virtio > core, virtio-ccw wasn't changed accordingly. > > Some background on technology (not part of this series) and the > terminology used. > >

On Sat, 18 May 2019 20:11:00 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Thu, 16 May 2019 08:29:28 +0200 > Cornelia Huck <cohuck at redhat.com> wrote: > > > On Wed, 15 May 2019 22:51:58 +0200 > > Halil Pasic <pasic at linux.ibm.com> wrote: > Don't like the second sentence. How about "It handles neither QDIO > in the common code,