From: Jason Gunthorpe <jgg@ziepe.ca>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: "Xiong, Jianxin" <jianxin.xiong@intel.com>,
Leon Romanovsky <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Doug Ledford <dledford@redhat.com>,
"Vetter, Daniel" <daniel.vetter@intel.com>,
Christian Koenig <christian.koenig@amd.com>
Subject: Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support
Date: Wed, 25 Nov 2020 08:14:56 -0400 [thread overview]
Message-ID: <20201125121456.GM5487@ziepe.ca> (raw)
In-Reply-To: <20201125105041.GX401619@phenom.ffwll.local>
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 just need a table or something to match from the drm driver name to
> the driver-specific buffer create function. Everything else stays the
> same.
If it is going to get more complicated please write it in C then. We
haven't done it yet, but you can link a C function through cython to
the python test script
If you struggle here I can probably work out the build system bits,
but it should not be too terrible
Jason
next prev parent reply other threads:[~2020-11-25 12:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-23 17:52 [PATCH rdma-core 0/5] Add user space dma-buf support Jianxin Xiong
2020-11-23 17:53 ` [PATCH rdma-core 1/5] verbs: Support dma-buf based memory region Jianxin Xiong
2020-11-23 18:01 ` Jason Gunthorpe
2020-11-24 10:31 ` Yishai Hadas
2020-11-24 18:00 ` Xiong, Jianxin
2020-11-23 17:53 ` [PATCH rdma-core 2/5] mlx5: " Jianxin Xiong
2020-11-23 18:01 ` Jason Gunthorpe
2020-11-23 19:40 ` Xiong, Jianxin
2020-11-23 17:53 ` [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support Jianxin Xiong
2020-11-23 18:05 ` Jason Gunthorpe
2020-11-23 19:48 ` Xiong, Jianxin
2020-11-24 15:16 ` Daniel Vetter
2020-11-24 15:36 ` Jason Gunthorpe
2020-11-24 16:21 ` Xiong, Jianxin
2020-11-24 18:45 ` Xiong, Jianxin
2020-11-25 10:50 ` Daniel Vetter
2020-11-25 12:14 ` Jason Gunthorpe [this message]
2020-11-25 19:27 ` Xiong, Jianxin
2020-11-26 0:00 ` Jason Gunthorpe
2020-11-26 0:43 ` Xiong, Jianxin
2020-11-23 17:53 ` [PATCH rdma-core 4/5] tests: Add tests for dma-buf based memory regions Jianxin Xiong
2020-11-23 17:53 ` [PATCH rdma-core 5/5] tests: Bug fix for get_access_flags() Jianxin Xiong
2020-11-24 20:26 ` John Hubbard
2020-11-24 20:43 ` Xiong, Jianxin
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