On Wed, Oct 23, 2019 at 09:42:27AM +0200, Jean-Philippe Brucker wrote:
> On Fri, Oct 18, 2019 at 08:01:44PM +0800, zhangfei@foxmail.com wrote:
[...]
> > > > +static int uacce_fops_mmap(struct file *filep, struct vm_area_struct
> > > > *vma)
> > > > +{
> > > > + struct uacce_queue *q =
On Wed, Oct 16, 2019 at 07:28:02PM +0200, Jean-Philippe Brucker wrote:
[...]
> > +static struct uacce_qfile_region *
> > +uacce_create_region(struct uacce_queue *q, struct vm_area_struct *vma,
> > + enum uacce_qfrt type, unsigned int flags)
> > +{
> > + struct uacce_qfile_region *q
On Wed, Oct 16, 2019 at 04:34:32PM +0800, Zhangfei Gao wrote:
> From: Kenneth Lee
>
> Uacce (Unified/User-space-access-intended Accelerator Framework) targets to
> provide Shared Virtual Addressing (SVA) between accelerators and processes.
> So accelerator can access any data structure of the mai
On Mon, Nov 19, 2018 at 02:26:38PM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 19, 2018 at 03:26:15PM -0500, Jerome Glisse wrote:
> > On Mon, Nov 19, 2018 at 01:11:56PM -0700, Jason Gunthorpe wrote:
> > > On Mon, Nov 19, 2018 at 02:46:32PM -0500, Jerome Glisse wrote:
> >
On Mon, Nov 19, 2018 at 01:11:56PM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 19, 2018 at 02:46:32PM -0500, Jerome Glisse wrote:
>
> > > ?? How can O_DIRECT be fine but RDMA not? They use exactly the same
> > > get_user_pages flow, right? Can we do what O_DIRECT does i
On Mon, Nov 19, 2018 at 12:27:02PM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 19, 2018 at 02:17:21PM -0500, Jerome Glisse wrote:
> > On Mon, Nov 19, 2018 at 11:53:33AM -0700, Jason Gunthorpe wrote:
> > > On Mon, Nov 19, 2018 at 01:42:16PM -0500, Jerome Glisse wrote:
> >
On Mon, Nov 19, 2018 at 07:19:04PM +, Christopher Lameter wrote:
> On Mon, 19 Nov 2018, Jerome Glisse wrote:
>
> > > IIRC this is solved in IB by automatically calling
> > > madvise(MADV_DONTFORK) before creating the MR.
> > >
> > > MADV_DONTFORK
&g
On Mon, Nov 19, 2018 at 11:53:33AM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 19, 2018 at 01:42:16PM -0500, Jerome Glisse wrote:
> > On Mon, Nov 19, 2018 at 11:27:52AM -0700, Jason Gunthorpe wrote:
> > > On Mon, Nov 19, 2018 at 11:48:54AM -0500, Jerome Glisse wrote:
> > &g
On Mon, Nov 19, 2018 at 11:27:52AM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 19, 2018 at 11:48:54AM -0500, Jerome Glisse wrote:
>
> > Just to comment on this, any infiniband driver which use umem and do
> > not have ODP (here ODP for me means listening to mmu notifier so
On Mon, Nov 19, 2018 at 12:48:01PM +0200, Leon Romanovsky wrote:
> On Mon, Nov 19, 2018 at 05:19:10PM +0800, Kenneth Lee wrote:
> > On Mon, Nov 19, 2018 at 05:14:05PM +0800, Kenneth Lee wrote:
> > > On Thu, Nov 15, 2018 at 04:54:55PM +0200, Leon Romanovsky wrote:
> > > > On Thu, Nov 15, 2018 at 04:
On Fri, Sep 21, 2018 at 06:03:14PM +0800, Kenneth Lee wrote:
> On Sun, Sep 16, 2018 at 09:42:44PM -0400, Jerome Glisse wrote:
> >
> > So i want to summarize issues i have as this threads have dig deep into
> > details. For this i would like to differentiate two cases first
On Thu, Sep 20, 2018 at 01:55:43PM +0800, Kenneth Lee wrote:
> On Tue, Sep 18, 2018 at 09:03:14AM -0400, Jerome Glisse wrote:
> > On Tue, Sep 18, 2018 at 02:00:14PM +0800, Kenneth Lee wrote:
> > > On Mon, Sep 17, 2018 at 08:37:45AM -0400, Jerome Glisse wrote:
> > > >
On Tue, Sep 18, 2018 at 02:00:14PM +0800, Kenneth Lee wrote:
> On Mon, Sep 17, 2018 at 08:37:45AM -0400, Jerome Glisse wrote:
> > On Mon, Sep 17, 2018 at 04:39:40PM +0800, Kenneth Lee wrote:
> > > On Sun, Sep 16, 2018 at 09:42:44PM -0400, Jerome Glisse wrote:
> > > >
On Mon, Sep 17, 2018 at 04:39:40PM +0800, Kenneth Lee wrote:
> On Sun, Sep 16, 2018 at 09:42:44PM -0400, Jerome Glisse wrote:
> > So i want to summarize issues i have as this threads have dig deep into
> > details. For this i would like to differentiate two cases first the ea
So i want to summarize issues i have as this threads have dig deep into
details. For this i would like to differentiate two cases first the easy
one when relying on SVA/SVM. Then the second one when there is no SVA/SVM.
In both cases your objectives as i understand them:
[R1]- expose a common user
On Fri, Sep 14, 2018 at 06:50:55AM +, Tian, Kevin wrote:
> > From: Jerome Glisse
> > Sent: Thursday, September 13, 2018 10:52 PM
> >
> [...]
> > AFAIK, on x86 and PPC at least, all PCIE devices are in the same group
> > by default at boot or at least a
On Fri, Sep 14, 2018 at 11:12:01AM +0800, Kenneth Lee wrote:
> On Thu, Sep 13, 2018 at 10:51:50AM -0400, Jerome Glisse wrote:
> > On Thu, Sep 13, 2018 at 04:32:32PM +0800, Kenneth Lee wrote:
> > > On Tue, Sep 11, 2018 at 09:40:14AM -0400, Jerome Glisse wrote:
> > > >
On Thu, Sep 13, 2018 at 04:32:32PM +0800, Kenneth Lee wrote:
> On Tue, Sep 11, 2018 at 09:40:14AM -0400, Jerome Glisse wrote:
> > On Tue, Sep 11, 2018 at 02:40:43PM +0800, Kenneth Lee wrote:
> > > On Mon, Sep 10, 2018 at 11:33:59PM -0400, Jerome Glisse wrote:
> > > >
On Tue, Sep 11, 2018 at 02:40:43PM +0800, Kenneth Lee wrote:
> On Mon, Sep 10, 2018 at 11:33:59PM -0400, Jerome Glisse wrote:
> > On Tue, Sep 11, 2018 at 10:42:09AM +0800, Kenneth Lee wrote:
> > > On Mon, Sep 10, 2018 at 10:54:23AM -0400, Jerome Glisse wrote:
> > > >
On Tue, Sep 11, 2018 at 10:42:09AM +0800, Kenneth Lee wrote:
> On Mon, Sep 10, 2018 at 10:54:23AM -0400, Jerome Glisse wrote:
> > On Mon, Sep 10, 2018 at 11:28:09AM +0800, Kenneth Lee wrote:
> > > On Fri, Sep 07, 2018 at 12:53:06PM -0400, Jerome Glisse wrote:
> > > >
On Mon, Sep 10, 2018 at 11:28:09AM +0800, Kenneth Lee wrote:
> On Fri, Sep 07, 2018 at 12:53:06PM -0400, Jerome Glisse wrote:
> > On Fri, Sep 07, 2018 at 12:01:38PM +0800, Kenneth Lee wrote:
> > > On Thu, Sep 06, 2018 at 09:31:33AM -0400, Jerome Glisse wrote:
> > > >
On Fri, Sep 07, 2018 at 06:55:45PM +0100, Jean-Philippe Brucker wrote:
> On 07/09/2018 17:53, Jerome Glisse wrote:
> > So there is no reasons to do that under VFIO. Especialy as in your example
> > it is not a real user space device driver, the userspace portion only knows
>
On Fri, Sep 07, 2018 at 12:01:38PM +0800, Kenneth Lee wrote:
> On Thu, Sep 06, 2018 at 09:31:33AM -0400, Jerome Glisse wrote:
> > Date: Thu, 6 Sep 2018 09:31:33 -0400
> > From: Jerome Glisse
> > To: Kenneth Lee
> > CC: Alex Williamson , Kenneth Lee
> >
On Thu, Sep 06, 2018 at 05:45:32PM +0800, Kenneth Lee wrote:
> On Tue, Sep 04, 2018 at 10:15:09AM -0600, Alex Williamson wrote:
> > Date: Tue, 4 Sep 2018 10:15:09 -0600
> > From: Alex Williamson
> > To: Jerome Glisse
> > CC: Kenneth Lee , Jonathan Corbet ,
> >
On Mon, Sep 03, 2018 at 08:51:57AM +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
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
On Fri, Aug 10, 2018 at 11:39:13AM +0800, Kenneth Lee wrote:
> On Thu, Aug 09, 2018 at 10:46:13AM -0400, Jerome Glisse wrote:
> > Date: Thu, 9 Aug 2018 10:46:13 -0400
> > From: Jerome Glisse
> > To: Kenneth Lee
> > CC: Kenneth Lee , "Tian, Kevin"
> >
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, Au
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 F
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 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
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:
> > Date: Thu, 2 Aug 2018 10:22:43 -0400
> > From: Jerome Glisse
> > To: Kenneth Lee
> > CC: "Tian, Kevin" , Hao Fang ,
> &
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
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
35 matches
Mail list logo
