On Tue, Aug 26, 2025 at 7:27 PM Eugenio Pérez <eperezma@xxxxxxxxxx> wrote:
>
> Return the internal struct that represents the vq group as virtqueue map
> token, instead of the device. This allows the map functions to access
> the information per group.
>
> At this moment all the virtqueues share the same vq group, that only
> can point to ASID 0. This change prepares the infrastructure for actual
> per-group address space handling
>
> Signed-off-by: Eugenio Pérez <eperezma@xxxxxxxxxx>
> ---
> v3:
> * Make the vq groups a dynamic array to support an arbitrary number of
> them.
> ---
> drivers/vdpa/vdpa_user/vduse_dev.c | 52 ++++++++++++++++++++++++------
> include/linux/virtio.h | 6 ++--
> 2 files changed, 46 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
> index 0f4e36dd167e..cdb3dc2b5e3f 100644
> --- a/drivers/vdpa/vdpa_user/vduse_dev.c
> +++ b/drivers/vdpa/vdpa_user/vduse_dev.c
> @@ -22,6 +22,7 @@
> #include <linux/uio.h>
> #include <linux/vdpa.h>
> #include <linux/nospec.h>
> +#include <linux/virtio.h>
> #include <linux/vmalloc.h>
> #include <linux/sched/mm.h>
> #include <uapi/linux/vduse.h>
> @@ -84,6 +85,10 @@ struct vduse_umem {
> struct mm_struct *mm;
> };
>
> +struct vduse_vq_group_int {
> + struct vduse_dev *dev;
> +};
Nit: I don't get the meaning of the "int" suffix.
Thanks
