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...ffers to the compositor, but is expected to work similarly for X clients that make use of MIT-SHM with FD passing. v2: * Add padding to two virtio command structs * Properly cast two __user pointers (kbuild test robot) Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com> Cc: Zach Reizner <zachr at google.com> --- Hi, this work is based on the virtio_wl driver in the ChromeOS kernel by Zach Reizner, currently at: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c There's two features missing in this patch when com...

...ffers to the compositor, but is expected to work similarly for X clients that make use of MIT-SHM with FD passing. v2: * Add padding to two virtio command structs * Properly cast two __user pointers (kbuild test robot) Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com> Cc: Zach Reizner <zachr at google.com> --- Hi, this work is based on the virtio_wl driver in the ChromeOS kernel by Zach Reizner, currently at: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c There's two features missing in this patch when com...

> > this work is based on the virtio_wl driver in the ChromeOS kernel by > Zach Reizner, currently at: > > https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c > > There's two features missing in this patch when compared with virtio_wl: > > * Allow the guest access directly host memory, without having to resort...

...l DRM_VIRTGPU_TRANSFER_TO_HOST. This has been tested with Wayland clients that make use of wl_shm to pass buffers to the compositor, but is expected to work similarly for X clients that make use of MIT-SHM with FD passing. Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com> Cc: Zach Reizner <zachr at google.com> --- Hi, this work is based on the virtio_wl driver in the ChromeOS kernel by Zach Reizner, currently at: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c There's two features missing in this patch when com...

...l DRM_VIRTGPU_TRANSFER_TO_HOST. This has been tested with Wayland clients that make use of wl_shm to pass buffers to the compositor, but is expected to work similarly for X clients that make use of MIT-SHM with FD passing. Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com> Cc: Zach Reizner <zachr at google.com> --- Hi, this work is based on the virtio_wl driver in the ChromeOS kernel by Zach Reizner, currently at: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c There's two features missing in this patch when com...

Hi, this work is based on the virtio_wl driver in the ChromeOS kernel by Zach Reizner, currently at: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c There's one feature missing currently, which is letting clients write directly to the host part of a resource, so the extra copy in TRANSFER_TO_HOST isn't needed. Have...