From: "Michael S. Tsirkin" <mst@redhat.com>
To: David Stevens <stevensd@chromium.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Sumit Semwal <sumit.semwal@linaro.org>,
Jason Wang <jasowang@redhat.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
virtualization@lists.linux-foundation.org,
linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
virtio-dev@lists.oasis-open.org, alex.williamson@redhat.com
Subject: Re: [PATCH v5 0/3] Support virtio cross-device resources
Date: Tue, 9 Jun 2020 05:52:58 -0400 [thread overview]
Message-ID: <20200609055021-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20200609012518.198908-1-stevensd@chromium.org>
On Tue, Jun 09, 2020 at 10:25:15AM +0900, David Stevens wrote:
> This patchset implements the current proposal for virtio cross-device
> resource sharing [1]. It will be used to import virtio resources into
> the virtio-video driver currently under discussion [2]. The patch
> under consideration to add support in the virtio-video driver is [3].
> It uses the APIs from v3 of this series, but the changes to update it
> are relatively minor.
>
> This patchset adds a new flavor of dma-bufs that supports querying the
> underlying virtio object UUID, as well as adding support for exporting
> resources from virtgpu.
Gerd, David, if possible, please test this in configuration with
virtual VTD enabled but with iommu_platform=off
to make sure we didn't break this config.
Besides that, for virtio parts:
Acked-by: Michael S. Tsirkin <mst@redhat.com>
> [1] https://markmail.org/thread/2ypjt5cfeu3m6lxu
> [2] https://markmail.org/thread/p5d3k566srtdtute
> [3] https://markmail.org/thread/j4xlqaaim266qpks
>
> v4 -> v5 changes:
> - Remove virtio_dma_buf_export_info.
>
> David Stevens (3):
> virtio: add dma-buf support for exported objects
> virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature
> drm/virtio: Support virtgpu exported resources
>
> drivers/gpu/drm/virtio/virtgpu_drv.c | 3 +
> drivers/gpu/drm/virtio/virtgpu_drv.h | 20 ++++++
> drivers/gpu/drm/virtio/virtgpu_kms.c | 4 ++
> drivers/gpu/drm/virtio/virtgpu_prime.c | 96 +++++++++++++++++++++++++-
> drivers/gpu/drm/virtio/virtgpu_vq.c | 55 +++++++++++++++
> drivers/virtio/Makefile | 2 +-
> drivers/virtio/virtio.c | 6 ++
> drivers/virtio/virtio_dma_buf.c | 82 ++++++++++++++++++++++
> include/linux/virtio.h | 1 +
> include/linux/virtio_dma_buf.h | 37 ++++++++++
> include/uapi/linux/virtio_gpu.h | 19 +++++
> 11 files changed, 321 insertions(+), 4 deletions(-)
> create mode 100644 drivers/virtio/virtio_dma_buf.c
> create mode 100644 include/linux/virtio_dma_buf.h
>
> --
> 2.27.0.278.ge193c7cf3a9-goog
next prev parent reply other threads:[~2020-06-09 9:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-09 1:25 [PATCH v5 0/3] Support virtio cross-device resources David Stevens
2020-06-09 1:25 ` [PATCH v5 1/3] virtio: add dma-buf support for exported objects David Stevens
2020-06-09 1:25 ` [PATCH v5 2/3] virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature David Stevens
2020-06-09 1:25 ` [PATCH v5 3/3] drm/virtio: Support virtgpu exported resources David Stevens
2020-06-09 9:52 ` Michael S. Tsirkin [this message]
2020-06-23 1:31 ` [virtio-dev] Re: [PATCH v5 0/3] Support virtio cross-device resources David Stevens
2020-08-17 10:50 ` Gerd Hoffmann
2020-08-17 11:12 ` Gerd Hoffmann
2020-08-18 1:52 ` David Stevens
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