Re: [Minios-devel] [UNIKRAFT PATCH v2 6/7] plat/drivers: Starting the virtio device

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

Reviewed-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>

On 19.10.18 15:40, Sharan Santhanam wrote:
> Signed-off-by: Sharan Santhanam <sharan.santhanam@xxxxxxxxx>
> Signed-off-by: Razvan Cojocaru <razvan.cojocaru93@xxxxxxxxx>
> ---
>   plat/drivers/virtio/virtio_net.c | 26 ++++++++++++++++++++++++++
>   1 file changed, 26 insertions(+)
>
> diff --git a/plat/drivers/virtio/virtio_net.c b/plat/drivers/virtio/virtio_net.c
> index e1d0a09..e7581f1 100644
> --- a/plat/drivers/virtio/virtio_net.c
> +++ b/plat/drivers/virtio/virtio_net.c
> @@ -685,7 +685,33 @@ static void virtio_net_info_get(struct uk_netdev *dev,
>   
>   static int virtio_net_start(struct uk_netdev *n)
>   {
> +       struct virtio_net_device *d;
> +       int i = 0;
> +
>         UK_ASSERT(n != NULL);
> +       d = to_virtionetdev(n);
> +
> +       /*
> +        * By default, interrupts are disabled and it is up to the user or
> +        * network stack to manually enable them with a call to
> +        * enable_tx|rx_intr()
> +        */
> +       for (i = 0; i < d->rx_vqueue_cnt; i++) {
> +               virtqueue_intr_disable(d->rxqs[i].vq);
> +               d->rxqs[i].intr_enabled = 0;
> +       }
> +
> +       for (i = 0; i < d->tx_vqueue_cnt; i++) {
> +               virtqueue_intr_disable(d->txqs[i].vq);
> +               d->txqs[i].intr_enabled = 0;
> +       }
> +
> +       /*
> +        * Set the DRIVER_OK status bit. At this point the device is "live".
> +        */
> +       virtio_dev_drv_up(d->vdev);
> +       uk_pr_info(DRIVER_NAME": %"__PRIu16" started\n", d->uid);
> +
>         return 0;
>   }
>   
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