On Wed, Apr 25, 2018 at 08:12:08AM +0200, Juergen Gross wrote:
> On 24/04/18 22:35, Dongwon Kim wrote:
> > Had a meeting with Daniel and talked about bringing out generic
> > part of hyper-dmabuf to the userspace, which means we most likely
> > reuse IOCTLs defined in xen-zcopy for our use-case if
On 04/25/2018 08:16 PM, Dongwon Kim wrote:
On Wed, Apr 25, 2018 at 08:34:55AM +0200, Daniel Vetter wrote:
On Wed, Apr 25, 2018 at 09:07:07AM +0300, Oleksandr Andrushchenko wrote:
On 04/24/2018 11:35 PM, Dongwon Kim wrote:
Had a meeting with Daniel and talked about bringing out generic
part of
On Wed, Apr 25, 2018 at 08:34:55AM +0200, Daniel Vetter wrote:
> On Wed, Apr 25, 2018 at 09:07:07AM +0300, Oleksandr Andrushchenko wrote:
> > On 04/24/2018 11:35 PM, Dongwon Kim wrote:
> > > Had a meeting with Daniel and talked about bringing out generic
> > > part of hyper-dmabuf to the
On Wed, Apr 25, 2018 at 09:07:07AM +0300, Oleksandr Andrushchenko wrote:
> On 04/24/2018 11:35 PM, Dongwon Kim wrote:
> > Had a meeting with Daniel and talked about bringing out generic
> > part of hyper-dmabuf to the userspace, which means we most likely
> > reuse IOCTLs defined in xen-zcopy for
On 04/24/2018 11:35 PM, Dongwon Kim wrote:
Had a meeting with Daniel and talked about bringing out generic
part of hyper-dmabuf to the userspace, which means we most likely
reuse IOCTLs defined in xen-zcopy for our use-case if we follow
his suggestion.
I will still have kernel side API, so
Had a meeting with Daniel and talked about bringing out generic
part of hyper-dmabuf to the userspace, which means we most likely
reuse IOCTLs defined in xen-zcopy for our use-case if we follow
his suggestion.
So assuming we use these IOCTLs as they are,
Several things I would like you to
On 04/24/2018 02:54 PM, Daniel Vetter wrote:
On Mon, Apr 23, 2018 at 03:10:35PM +0300, Oleksandr Andrushchenko wrote:
On 04/23/2018 02:52 PM, Wei Liu wrote:
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
the gntdev.
I think this is generic enough that it could
On Mon, Apr 23, 2018 at 03:10:35PM +0300, Oleksandr Andrushchenko wrote:
> On 04/23/2018 02:52 PM, Wei Liu wrote:
> > On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
> > > > > the gntdev.
> > > > >
> > > > > I think this is generic enough that it could be implemented
On 24/04/18 12:14, Oleksandr Andrushchenko wrote:
> On 04/24/2018 01:01 PM, Wei Liu wrote:
>> On Tue, Apr 24, 2018 at 11:08:41AM +0200, Juergen Gross wrote:
>>> On 24/04/18 11:03, Oleksandr Andrushchenko wrote:
On 04/24/2018 11:40 AM, Juergen Gross wrote:
> On 24/04/18 10:07, Oleksandr
On 04/24/2018 01:01 PM, Wei Liu wrote:
On Tue, Apr 24, 2018 at 11:08:41AM +0200, Juergen Gross wrote:
On 24/04/18 11:03, Oleksandr Andrushchenko wrote:
On 04/24/2018 11:40 AM, Juergen Gross wrote:
On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
On 04/24/2018 10:51 AM, Juergen Gross wrote:
On Tue, Apr 24, 2018 at 11:08:41AM +0200, Juergen Gross wrote:
> On 24/04/18 11:03, Oleksandr Andrushchenko wrote:
> > On 04/24/2018 11:40 AM, Juergen Gross wrote:
> >> On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
> >>> On 04/24/2018 10:51 AM, Juergen Gross wrote:
> On 24/04/18 07:43,
On 04/24/2018 12:08 PM, Juergen Gross wrote:
On 24/04/18 11:03, Oleksandr Andrushchenko wrote:
On 04/24/2018 11:40 AM, Juergen Gross wrote:
On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
On 04/24/2018 10:51 AM, Juergen Gross wrote:
On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
On
On 24/04/18 11:03, Oleksandr Andrushchenko wrote:
> On 04/24/2018 11:40 AM, Juergen Gross wrote:
>> On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
>>> On 04/24/2018 10:51 AM, Juergen Gross wrote:
On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
> On 04/24/2018 01:41 AM, Boris
On 04/24/2018 11:40 AM, Juergen Gross wrote:
On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
On 04/24/2018 10:51 AM, Juergen Gross wrote:
On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
On 04/24/2018 01:41 AM, Boris Ostrovsky wrote:
On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
On 24/04/18 10:07, Oleksandr Andrushchenko wrote:
> On 04/24/2018 10:51 AM, Juergen Gross wrote:
>> On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
>>> On 04/24/2018 01:41 AM, Boris Ostrovsky wrote:
On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
> On 04/23/2018 02:52 PM, Wei Liu
On 04/24/2018 10:51 AM, Juergen Gross wrote:
On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
On 04/24/2018 01:41 AM, Boris Ostrovsky wrote:
On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
On 04/23/2018 02:52 PM, Wei Liu wrote:
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr
On 24/04/18 07:43, Oleksandr Andrushchenko wrote:
> On 04/24/2018 01:41 AM, Boris Ostrovsky wrote:
>> On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
>>> On 04/23/2018 02:52 PM, Wei Liu wrote:
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko
wrote:
>>>
On 04/24/2018 01:41 AM, Boris Ostrovsky wrote:
On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
On 04/23/2018 02:52 PM, Wei Liu wrote:
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
the gntdev.
I think this is generic enough that it could be implemented
On 04/23/2018 08:10 AM, Oleksandr Andrushchenko wrote:
> On 04/23/2018 02:52 PM, Wei Liu wrote:
>> On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
> the gntdev.
>
> I think this is generic enough that it could be implemented by a
> device not tied to
On 04/23/2018 02:52 PM, Wei Liu wrote:
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
the gntdev.
I think this is generic enough that it could be implemented by a
device not tied to Xen. AFAICT the hyper_dma guys also wanted
something similar to this.
You can't
On Fri, Apr 20, 2018 at 02:25:20PM +0300, Oleksandr Andrushchenko wrote:
> > > the gntdev.
> > >
> > > I think this is generic enough that it could be implemented by a
> > > device not tied to Xen. AFAICT the hyper_dma guys also wanted
> > > something similar to this.
> > You can't just wrap
On 04/20/2018 10:19 AM, Daniel Vetter wrote:
On Wed, Apr 18, 2018 at 11:10:58AM +0100, Roger Pau Monné wrote:
On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko wrote:
On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr
>; xen-devel@lists.xenproject.org;
> > > > daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
> > > > <matthew.d.ro...@intel.com>
> > > > Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
> > > > helper DRM drive
On Wed, Apr 18, 2018 at 11:10:58AM +0100, Roger Pau Monné wrote:
> On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko wrote:
> > On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
> > > On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
> > > > On 04/17/2018 11:57
On Thu, Apr 19, 2018 at 11:14:02AM +0300, Oleksandr Andrushchenko wrote:
> On 04/18/2018 08:01 PM, Dongwon Kim wrote:
> >On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
> >>On 04/17/2018 11:57 PM, Dongwon Kim wrote:
> >>>On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel
ubject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko
wrote:
On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
After speaking with Oleksandr on IRC, I think the main usage of the
gntdev extension is
On 04/18/2018 08:01 PM, Dongwon Kim wrote:
On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
On 04/17/2018 11:57 PM, Dongwon Kim wrote:
On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
Yeah, I
On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
> On 04/17/2018 11:57 PM, Dongwon Kim wrote:
> >On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
> >>On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
> >>>Yeah, I definitely agree on the idea of
Potrola, MateuszX
<mateuszx.potr...@intel.com>; xen-devel@lists.xenproject.org;
daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
<matthew.d.ro...@intel.com>
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On Wed, Apr 18, 2018
he...@epam.com; linux-ker...@vger.kernel.org; dri-
> > > de...@lists.freedesktop.org; Potrola, MateuszX
> > > <mateuszx.potr...@intel.com>; xen-devel@lists.xenproject.org;
> > > daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
> > > <matthew.d.ro.
.@oracle.com; Matt Roper
<matthew.d.ro...@intel.com>
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko
wrote:
On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
On Wed, Apr 18, 2018
trov...@oracle.com; Matt Roper
<matthew.d.ro...@intel.com>
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On 04/18/2018 01:18 PM, Paul Durrant wrote:
-Original Message-
From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On
Behal
tel.com; boris.ostrov...@oracle.com; Matt Roper
> <matthew.d.ro...@intel.com>
> Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
> helper DRM driver
>
> On 04/18/2018 01:18 PM, Paul Durrant wrote:
> >> -Original Message-
> >> From: Xen-d
.@oracle.com; Matt Roper
<matthew.d.ro...@intel.com>
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko
wrote:
On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
On Wed, Apr 18, 2018
m; boris.ostrov...@oracle.com; Matt Roper
> <matthew.d.ro...@intel.com>
> Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
> helper DRM driver
>
> On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko
> wrote:
> > On 04/18/2018 10:
On Wed, Apr 18, 2018 at 11:01:12AM +0300, Oleksandr Andrushchenko wrote:
> On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
> > On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
> > > On 04/17/2018 11:57 PM, Dongwon Kim wrote:
> > > > On Tue, Apr 17, 2018 at 09:59:28AM +0200,
On 04/18/2018 10:35 AM, Roger Pau Monné wrote:
On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
On 04/17/2018 11:57 PM, Dongwon Kim wrote:
On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
3.2
On Wed, Apr 18, 2018 at 09:38:39AM +0300, Oleksandr Andrushchenko wrote:
> On 04/17/2018 11:57 PM, Dongwon Kim wrote:
> > On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
> > > On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
> 3.2 Backend exports dma-buf to xen-front
>
On 04/17/2018 11:57 PM, Dongwon Kim wrote:
On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
Yeah, I definitely agree on the idea of expanding the use case to the
general domain where dmabuf sharing is used. However,
On Tue, Apr 17, 2018 at 09:59:28AM +0200, Daniel Vetter wrote:
> On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
> > Yeah, I definitely agree on the idea of expanding the use case to the
> > general domain where dmabuf sharing is used. However, what you are
> > targetting with
On 04/17/2018 10:59 AM, Daniel Vetter wrote:
On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
Yeah, I definitely agree on the idea of expanding the use case to the
general domain where dmabuf sharing is used. However, what you are
targetting with proposed changes is identical to the
On Mon, Apr 16, 2018 at 12:29:05PM -0700, Dongwon Kim wrote:
> Yeah, I definitely agree on the idea of expanding the use case to the
> general domain where dmabuf sharing is used. However, what you are
> targetting with proposed changes is identical to the core design of
> hyper_dmabuf.
>
> On
Yeah, I definitely agree on the idea of expanding the use case to the
general domain where dmabuf sharing is used. However, what you are
targetting with proposed changes is identical to the core design of
hyper_dmabuf.
On top of this basic functionalities, hyper_dmabuf has driver level
Hello, all!
After discussing xen-zcopy and hyper-dmabuf [1] approaches
it seems that xen-zcopy can be made not depend on DRM core any more
and be dma-buf centric (which it in fact is).
The DRM code was mostly there for dma-buf's FD import/export
with DRM PRIME UAPI and with DRM use-cases in
From: Oleksandr Andrushchenko
Hello!
When using Xen PV DRM frontend driver then on backend side one will need
to do copying of display buffers' contents (filled by the
frontend's user-space) into buffers allocated at the backend side.
Taking into account the
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