eedesktop.org; Doug Ledford ; Vetter,
> > Daniel ; Christian Koenig
> >
> > Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
> >
> > On Wed, Nov 25, 2020 at 11:50:41AM +0100, Daniel Vetter wrote:
> >
> > > Yeah imo makes sense
On Wed, Nov 25, 2020 at 11:50:41AM +0100, Daniel Vetter wrote:
> Yeah imo makes sense. It's a bunch more code for you to make it work on
> i915 and amd, but it's not terrible. And avoids the dependencies, and also
> avoids the abuse of card* and dumb buffers. Plus not really more complex,
> you ju
an Koenig
> Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
>
> On Wed, Nov 25, 2020 at 07:27:07PM +, Xiong, Jianxin wrote:
> > > From: Jason Gunthorpe
> > > Sent: Wednesday, November 25, 2020 4:15 AM
> > > To: Daniel Vetter
Koenig
>
> Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
>
> On Wed, Nov 25, 2020 at 11:50:41AM +0100, Daniel Vetter wrote:
>
> > Yeah imo makes sense. It's a bunch more code for you to make it work
> > on
> > i915 and amd, but it&#x
ux-r...@vger.kernel.org; dri-
> > de...@lists.freedesktop.org; Doug Ledford ; Vetter,
> > Daniel ; Christian Koenig
> >
> > Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
> >
> > On Mon, Nov 23, 2020 at 02:05:04PM -0400, Jason Gunthorpe wr
On Tue, Nov 24, 2020 at 04:16:58PM +0100, Daniel Vetter wrote:
> Compute is the worst, because opencl is widely considered a mistake (maybe
> opencl 3 is better, but nvidia is stuck on 1.2). The actually used stuff is
> cuda (nvidia-only), rocm (amd-only) and now with intel also playing we
> have
Koenig
>
> Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
>
> On Mon, Nov 23, 2020 at 02:05:04PM -0400, Jason Gunthorpe wrote:
> > On Mon, Nov 23, 2020 at 09:53:02AM -0800, Jianxin Xiong wrote:
> >
> > > +cdef
Koenig
>
> Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
>
> On Tue, Nov 24, 2020 at 04:16:58PM +0100, Daniel Vetter wrote:
>
> > Compute is the worst, because opencl is widely considered a mistake
> > (maybe opencl 3 is better, but nvidia is
On Mon, Nov 23, 2020 at 02:05:04PM -0400, Jason Gunthorpe wrote:
> On Mon, Nov 23, 2020 at 09:53:02AM -0800, Jianxin Xiong wrote:
>
> > +cdef class DmaBuf:
> > +def __init__(self, size, unit=0):
> > +"""
> > +Allocate DmaBuf object from a GPU device. This is done through the
>
On Mon, Nov 23, 2020 at 09:53:02AM -0800, Jianxin Xiong wrote:
> +cdef class DmaBuf:
> +def __init__(self, size, unit=0):
> +"""
> +Allocate DmaBuf object from a GPU device. This is done through the
> +DRI device interface (/dev/dri/card*). Usually this requires the
> +
Daniel
>
> Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
>
> On Mon, Nov 23, 2020 at 09:53:02AM -0800, Jianxin Xiong wrote:
>
> > +cdef class DmaBuf:
> > +def __init__(self, size, unit=0):
> > +"""
> &g
Define a new sub-class of 'MR' that uses dma-buf object for the memory
region. Define a new class 'DmaBuf' for dma-buf object allocation.
Signed-off-by: Jianxin Xiong
---
pyverbs/CMakeLists.txt | 2 ++
pyverbs/dmabuf.pxd | 13 +
pyverbs/dmabuf.pyx | 58 ++
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