On Mon, Feb 07 2022, Yishai Hadas <yishaih@xxxxxxxxxx> wrote:
> From: Jason Gunthorpe <jgg@xxxxxxxxxx>
>
> v1 was never implemented and is replaced by v2.
>
> The old uAPI documentation is removed from the header file.
>
> The old uAPI definitions are still kept in the header file till v2 will
> reach Linus's tree.
That sentence is a bit weird: If this file has reached Linus' tree,
obviously v2 has reached Linus' tree. Maybe replace with:
"The old uAPI definitions are still kept in the header file to ease
transition for userspace copying these headers."
>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxx>
> ---
> include/uapi/linux/vfio.h | 200 +-------------------------------------
> 1 file changed, 2 insertions(+), 198 deletions(-)
>
> diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
> index 773895988cf1..227f55d57e06 100644
> --- a/include/uapi/linux/vfio.h
> +++ b/include/uapi/linux/vfio.h
> @@ -323,7 +323,7 @@ struct vfio_region_info_cap_type {
> #define VFIO_REGION_TYPE_PCI_VENDOR_MASK (0xffff)
> #define VFIO_REGION_TYPE_GFX (1)
> #define VFIO_REGION_TYPE_CCW (2)
> -#define VFIO_REGION_TYPE_MIGRATION (3)
> +#define VFIO_REGION_TYPE_MIGRATION_DEPRECATED (3)
This will still break QEMU compilation after a headers update (although
it's not hard to fix.) I think we can live with that if needed.
>
> /* sub-types for VFIO_REGION_TYPE_PCI_* */
>
