> +/**
> + * VFIO_DEVICE_QUERY_GFX_PLANE - _IOW(VFIO_TYPE, VFIO_BASE + 14,
> + * struct vfio_device_query_gfx_plane)
> + * Return: 0 on success, -errno on failure.
> + */
> +
> +struct vfio_device_gfx_plane_info {
> + __u64 start;
> + __u64 drm_format_mod;
> + __u32 drm_format;
> + __u32 width;
> + __u32 height;
> + __u32 stride;
> + __u32 size;
> + __u32 x_pos;
> + __u32 y_pos;
> +};
Do we want keep that as separate struct? Given we now have only a
single struct using that as sub-struct it looks pointless, at least
from a API point of view. Does the driver use the struct internally?
> +
> +struct vfio_device_query_gfx_plane {
> + __u32 argsz;
> + __u32 flags;
> + struct vfio_device_gfx_plane_info plane_info;
> + __u32 plane_type;
> + __s32 fd; /* dma-buf fd */
> + __u32 plane_id;
What is plane_id?
cheers,
Gerd
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