[PATCH v6] tests/drm_virtgpu: Add functional coverage for core VirtIO-GPU ioctls

[Kamil Konieczny]

Hi Dorinda,
On 2025-06-24 at 11:17:20 +0200, Dorinda Bassey wrote:
> This test suite adds coverage for multiple DRM ioctls specific
> to the VirtIO-GPU driver, verifying functionality such as
> resource creation, memory mapping, 3D transfers, context
> initialization, and parameter querying.
> Each test validates a key ioctl to ensure correct behavior from
> user space and backend implementations. Each subtest is
> self-contained and can be executed independently.

Thank you for you efforts, I merged it.

Regards,
Kamil

> 
> Included subtests:
>   - drm-virtgpu-map
>   - drm-virtgpu-execbuffer
>   - drm-virtgpu-resource-info
>   - drm-virtgpu-3d-transfer-to-host
>   - drm-virtgpu-3d-transfer-from-host
>   - drm-virtgpu-3d-wait
>   - drm-virtgpu-resource-create-blob
>   - drm-virtgpu-get-caps
>   - drm-virtgpu-context-init
>   - drm-virtgpu-getparam
> 
> How to Test with QEMU virtio-vga-gl or rustvmm vhost-device-gpu
> 
> 1. Launch a QEMU guest with virtio-vga-gl
> ./build/qemu-system-x86_64 \
>   -enable-kvm \
>   -cpu host \
>   -m 4096 \
>   -machine q35 \
>   -display gtk,gl=on \
>   -vga none \
>   -device virtio-vga-gl \
>   -drive file=image.qcow2,format=qcow2 \
>   -netdev user,id=n0,hostfwd=tcp::2222-:22 \
>   -device virtio-net-pci,netdev=n0
> 
> ssh into the guest and run the tests.
> 
> 2. Start the vhost-device-gpu backend and Launch a QEMU
> guest with vhost-user-gpu-pci or vhost-user-vga, see guide on:
> https://crates.io/crates/vhost-device-gpu
> 
> Signed-off-by: Dorinda Bassey <dbassey at redhat.com>
> Reviewed-by: Erico Nunes <ernunes at redhat.com>
> Acked-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>
> ---
>  tests/drm_virtgpu.c | 431 ++++++++++++++++++++++++++++++++++++++++++++
>  tests/meson.build   |   1 +
>  2 files changed, 432 insertions(+)
>  create mode 100644 tests/drm_virtgpu.c

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