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 userspace,
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 And
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 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:
>>> th
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 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 Ostrovsky
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 we follow
> his suggestion.
>
> So assuming we use these IOCTLs as the
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 04/2
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, Ole
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 o
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 backe
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 double-c
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 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 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 Andru
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 Xe
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 r
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 b
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 j
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 Andrushchenk
airl...@linux.ie;
> > > > oleksandr_andrushche...@epam.com; linux-ker...@vger.kernel.org; dri-
> > > > de...@lists.freedesktop.org; Potrola, MateuszX
> > > > ; xen-de...@lists.xenproject.org;
> > > > daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
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 P
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 Vett
-
de...@lists.freedesktop.org; Potrola, MateuszX
; xen-de...@lists.xenproject.org;
daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
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
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 de
x-ker...@vger.kernel.org; dri-
> de...@lists.freedesktop.org; Potrola, MateuszX
> ; xen-de...@lists.xenproject.org;
> daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
>
> Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
> helper DRM driver
>
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
>
>
ktop.org; Potrola, MateuszX
> > > ; xen-de...@lists.xenproject.org;
> > > daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
> > >
> > > Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
> > > helper DRM driver
> > >
; linux-ker...@vger.kernel.org; dri-
de...@lists.freedesktop.org; Potrola, MateuszX
; xen-de...@lists.xenproject.org;
daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
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
r_andrushche...@epam.com; linux-ker...@vger.kernel.org; dri-
> de...@lists.freedesktop.org; Potrola, MateuszX
> ; xen-de...@lists.xenproject.org;
> daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
>
> Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
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, D
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 expan
com; Artem Mygaiev ;
> >>>>Dongwon Kim ; airl...@linux.ie;
> >>>>oleksandr_andrushche...@epam.com; linux-ker...@vger.kernel.org; dri-
> >>>>de...@lists.freedesktop.org; Potrola, MateuszX
> >>>>; xen-de...@lists.xenproject.org;
> >>>>daniel.
; boris.ostrov...@oracle.com; Matt Roper
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:
After speaking with Oleksandr on IRC, I think the main usage
;
oleksandr_andrushche...@epam.com; linux-ker...@vger.kernel.org; dri-
de...@lists.freedesktop.org; Potrola, MateuszX
; xen-de...@lists.xenproject.org;
daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On
;
oleksandr_andrushche...@epam.com; linux-ker...@vger.kernel.org; dri-
de...@lists.freedesktop.org; Potrola, MateuszX
; xen-de...@lists.xenproject.org;
daniel.vet...@intel.com; boris.ostrov...@oracle.com; Matt Roper
Subject: Re: [Xen-devel] [PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy
helper DRM driver
On
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 Ba
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, what
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 propose
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 to
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
inter-doma
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 m
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 size of display buffers and frames pe
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