On Mon, Jul 05, 2021 at 03:19:10PM +0800, Jason Wang wrote:
> This patch switch to read virtqueue size from the capability instead
> of depending on the hardcoded value. This allows the per virtqueue
> size could be advertised.
>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
So let's add an ioctl for this? It's really a bug we don't..
> ---
> drivers/vdpa/virtio_pci/vp_vdpa.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
> index 2926641fb586..198f7076e4d9 100644
> --- a/drivers/vdpa/virtio_pci/vp_vdpa.c
> +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
> @@ -18,7 +18,6 @@
> #include <linux/virtio_pci.h>
> #include <linux/virtio_pci_modern.h>
>
> -#define VP_VDPA_QUEUE_MAX 256
> #define VP_VDPA_DRIVER_NAME "vp_vdpa"
> #define VP_VDPA_NAME_SIZE 256
>
> @@ -197,7 +196,10 @@ static void vp_vdpa_set_status(struct vdpa_device *vdpa, u8 status)
>
> static u16 vp_vdpa_get_vq_num_max(struct vdpa_device *vdpa, u16 qid)
> {
> - return VP_VDPA_QUEUE_MAX;
> + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa);
> + struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev;
> +
> + return vp_modern_get_queue_size(mdev, qid);
> }
>
> static int vp_vdpa_get_vq_state(struct vdpa_device *vdpa, u16 qid,
> --
> 2.25.1
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