com"
> , Alex Williamson ,
> "linux-cry...@vger.kernel.org" , Philippe
> Ombredanne , Thomas Gleixner ,
> Hao Fang , "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accele
On Mon, Aug 13, 2018 at 05:29:31PM +0800, Kenneth Lee wrote:
>
> I made a quick change basing on the RFCv1 here:
>
> https://github.com/Kenneth-Lee/linux-kernel-warpdrive/commits/warpdrive-v0.6
>
> I just made it compilable and not test it yet. But it shows how the idea is
> going to be.
>
> T
quot;linux-cry...@vger.kernel.org"
> , Philippe Ombredanne
> , Thomas Gleixner , Hao Fang
> , "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> User-Agent: Mozilla/5
在 2018年08月10日 星期五 09:12 下午, Jean-Philippe Brucker 写道:
Hi Kenneth,
On 10/08/18 04:39, Kenneth Lee wrote:
You can achieve everything you want to achieve with existing upstream
solution. Re-inventing a whole new driver infrastructure should really
be motivated with strong and obvious reasons.
I
mmu@lists.linux-foundation.org" ,
"linux-cry...@vger.kernel.org" , Philippe
Ombredanne , Thomas Gleixner ,
"David S . Miller" ,
"linux-accelerat...@lists.ozlabs.org"
Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
User-Agent: Mutt/1.
l.org" ,
> > "linux...@huawei.com" ,
> > "iommu@lists.linux-foundation.org" ,
> > "linux-cry...@vger.kernel.org" , Philippe
> > Ombredanne , Thomas Gleixner ,
> > "David S . Miller" ,
> > "linux-accelerat...@lists.o
Hi Kenneth,
On 10/08/18 04:39, Kenneth Lee wrote:
>> You can achieve everything you want to achieve with existing upstream
>> solution. Re-inventing a whole new driver infrastructure should really
>> be motivated with strong and obvious reasons.
>
> I want to understand better of your idea. If I
inux-cry...@vger.kernel.org" , Philippe
> Ombredanne , Thomas Gleixner ,
> "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> User-Agent: Mutt/1.10.0 (2018-05-17)
> Me
x-cry...@vger.kernel.org"
> , Philippe Ombredanne
> , Thomas Gleixner , "David S .
> Miller" , "linux-accelerat...@lists.ozlabs.org"
>
> Subject: RE: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> Message-ID:
>
>
> > From: Kennet
On Thu, Aug 09, 2018 at 04:03:52PM +0800, Kenneth Lee wrote:
> On Wed, Aug 08, 2018 at 11:18:35AM -0400, Jerome Glisse wrote:
> > On Wed, Aug 08, 2018 at 09:08:42AM +0800, Kenneth Lee wrote:
> > > 在 2018年08月06日 星期一 11:32 下午, Jerome Glisse 写道:
> > > > On Mon, Aug 06, 2018 at 11:12:52AM +0800, Kennet
> From: Kenneth Lee [mailto:liguo...@hisilicon.com]
> Sent: Thursday, August 9, 2018 4:04 PM
>
> But we have another requirement which is to combine some device
> together to
> share the same address space. This is a little like these kinds of solution:
>
> http://tce.technion.ac.il/wp-content/up
inux-cry...@vger.kernel.org" , Philippe
> Ombredanne , Thomas Gleixner ,
> "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> User-Agent: Mutt/1.10.0 (2018-05-17)
>
On Wed, Aug 08, 2018 at 09:08:42AM +0800, Kenneth Lee wrote:
>
>
> 在 2018年08月06日 星期一 11:32 下午, Jerome Glisse 写道:
> > On Mon, Aug 06, 2018 at 11:12:52AM +0800, Kenneth Lee wrote:
> > > On Fri, Aug 03, 2018 at 10:39:44AM -0400, Jerome Glisse wrote:
> > > > On Fri, Aug 03, 2018 at 11:47:21AM +0800,
在 2018年08月06日 星期一 11:32 下午, Jerome Glisse 写道:
On Mon, Aug 06, 2018 at 11:12:52AM +0800, Kenneth Lee wrote:
On Fri, Aug 03, 2018 at 10:39:44AM -0400, Jerome Glisse wrote:
On Fri, Aug 03, 2018 at 11:47:21AM +0800, Kenneth Lee wrote:
On Thu, Aug 02, 2018 at 10:22:43AM -0400, Jerome Glisse wrote
On Mon, Aug 06, 2018 at 11:12:52AM +0800, Kenneth Lee wrote:
> On Fri, Aug 03, 2018 at 10:39:44AM -0400, Jerome Glisse wrote:
> > On Fri, Aug 03, 2018 at 11:47:21AM +0800, Kenneth Lee wrote:
> > > On Thu, Aug 02, 2018 at 10:22:43AM -0400, Jerome Glisse wrote:
> > > > On Thu, Aug 02, 2018 at 12:05:5
nel.org"
> , Philippe Ombredanne
> , Thomas Gleixner , Kenneth Lee
> , "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> User-Agent: Mutt/1.10.0 (2018-05-17)
> Me
x-cry...@vger.kernel.org" , Philippe
> Ombredanne , Zaibo Xu , Kenneth
> Lee , "David S . Miller" ,
> Ross Zwisler
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> Organization: Intel Corporation
> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32;
On Fri, Aug 03, 2018 at 03:20:43PM +0100, Alan Cox wrote:
> > If we are going to have any kind of general purpose accelerator API then
> > > it has to be able to implement things like
> >
> > Why is the existing driver model not good enough ? So you want
> > a device with function X you look int
ation.org" ,
> > "linux-ker...@vger.kernel.org" ,
> > "linux...@huawei.com" ,
> > "linux-cry...@vger.kernel.org" , Philippe
> > Ombredanne , Thomas Gleixner ,
> > "David S . Miller" ,
> > "linux-accelerat...@lists.o
> If we are going to have any kind of general purpose accelerator API then
> > it has to be able to implement things like
>
> Why is the existing driver model not good enough ? So you want
> a device with function X you look into /dev/X (for instance
> for GPU you look in /dev/dri)
Except when
inux-cry...@vger.kernel.org" , Philippe
> Ombredanne , Thomas Gleixner ,
> "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: Re: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> User-Agent: Mutt/1.10.0 (2018-05-17)
>
On Thu, Aug 02, 2018 at 11:10:00AM +0100, Alan Cox wrote:
> > One motivation I guess, is that most accelerators lack of a
> > well-abstracted high level APIs similar to GPU side (e.g. OpenCL
> > clearly defines Shared Virtual Memory models). VFIO mdev
> > might be an alternative common interface
On Thu, Aug 02, 2018 at 12:05:57PM +0800, Kenneth Lee wrote:
> On Thu, Aug 02, 2018 at 02:33:12AM +, Tian, Kevin wrote:
> > Date: Thu, 2 Aug 2018 02:33:12 +
> > > From: Jerome Glisse
> > > On Wed, Aug 01, 2018 at 06:22:14PM +0800, Kenneth Lee wrote:
> > > > From: Kenneth Lee
> > > >
> > >
Hi,
On 2018/8/2 18:10, Alan Cox wrote:
One motivation I guess, is that most accelerators lack of a
well-abstracted high level APIs similar to GPU side (e.g. OpenCL
clearly defines Shared Virtual Memory models). VFIO mdev
might be an alternative common interface to enable SVA usages
on various ac
> One motivation I guess, is that most accelerators lack of a
> well-abstracted high level APIs similar to GPU side (e.g. OpenCL
> clearly defines Shared Virtual Memory models). VFIO mdev
> might be an alternative common interface to enable SVA usages
> on various accelerators...
SVA is not IMH
.kernel.org"
> , Philippe Ombredanne
> , Zaibo Xu , "David S . Miller"
> , "linux-accelerat...@lists.ozlabs.org"
>
> Subject: RE: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> Message-ID:
>
>
> > From: Kenneth Lee
> > Sent:
> From: Kenneth Lee
> Sent: Thursday, August 2, 2018 11:40 AM
>
> On Thu, Aug 02, 2018 at 02:59:33AM +, Tian, Kevin wrote:
> > > From: Kenneth Lee
> > > Sent: Wednesday, August 1, 2018 6:22 PM
> > >
> > > From: Kenneth Lee
> > >
> > > WarpDrive is an accelerator framework to expose the hardwa
.@vger.kernel.org" , Philippe
> Ombredanne , Zaibo Xu , Kenneth
> Lee , "David S . Miller" ,
> "linux-accelerat...@lists.ozlabs.org"
>
> Subject: RE: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> Message-ID:
>
>
> > From: Jerome Glis
t;
> , "k...@vger.kernel.org"
> , "linux-accelerat...@lists.ozlabs.org"
> , Lu Baolu
> , "Kumar, Sanjay K"
> CC: "linux...@huawei.com"
> Subject: RE: [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive
> Message-ID:
>
>
> From: Kenneth Lee
> Sent: Wednesday, August 1, 2018 6:22 PM
>
> From: Kenneth Lee
>
> WarpDrive is an accelerator framework to expose the hardware capabilities
> directly to the user space. It makes use of the exist vfio and vfio-mdev
> facilities. So the user application can send request and
> From: Jerome Glisse
> Sent: Thursday, August 2, 2018 12:57 AM
>
> On Wed, Aug 01, 2018 at 06:22:14PM +0800, Kenneth Lee wrote:
> > From: Kenneth Lee
> >
> > WarpDrive is an accelerator framework to expose the hardware
> capabilities
> > directly to the user space. It makes use of the exist vfio
On Wed, Aug 01, 2018 at 06:22:14PM +0800, Kenneth Lee wrote:
> From: Kenneth Lee
>
> WarpDrive is an accelerator framework to expose the hardware capabilities
> directly to the user space. It makes use of the exist vfio and vfio-mdev
> facilities. So the user application can send request and DMA
From: Kenneth Lee
WarpDrive is an accelerator framework to expose the hardware capabilities
directly to the user space. It makes use of the exist vfio and vfio-mdev
facilities. So the user application can send request and DMA to the
hardware without interaction with the kernel. This remove the la
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