Re: [Minios-devel] [UNIKRAFT PATCH] plat/virtio: Reset device helper

[Sharan Santhanam <sharan.santhanam@xxxxxxxxx>]

Hello Roxana,

Thank you. The patch seems fine. I will upstream later today.

Reviewed-by: Sharan Santhanam <sharan.santhanam@xxxxxxxxx>

Thanks & Regards
Sharan Santhanam


On 6/3/19 10:43 AM, Roxana Nicolescu wrote:
> This patch adds the reset device helper function.
>
> Signed-off-by: Roxana Nicolescu <nicolescu.roxana1996@xxxxxxxxx>
> ---
>   plat/drivers/include/virtio/virtio_bus.h | 22 ++++++++++++++++++++++
>   1 file changed, 22 insertions(+)
>
> diff --git a/plat/drivers/include/virtio/virtio_bus.h 
> b/plat/drivers/include/virtio/virtio_bus.h
> index 88d09066..72a82983 100644
> --- a/plat/drivers/include/virtio/virtio_bus.h
> +++ b/plat/drivers/include/virtio/virtio_bus.h
> @@ -146,6 +146,28 @@ int virtio_bus_register_device(struct virtio_dev *vdev);
>   void _virtio_bus_register_driver(struct virtio_driver *vdrv);
>   
>   /**
> + * This function resets the virtio device .
> + * @param vdev
> + *     Reference to the virtio device
> + * @return
> + *     0 on successful updating the status.
> + *     -ENOTSUP, if the operation is not supported on the virtio device.
> + */
> +static inline int virtio_dev_reset(struct virtio_dev *vdev)
> +{
> +       int rc = -ENOTSUP;
> +
> +       UK_ASSERT(vdev);
> +
> +       if (likely(vdev->cops->device_reset)) {
> +               vdev->cops->device_reset(vdev);
> +               rc = 0;
> +       }
> +
> +       return rc;
> +}
> +
> +/**
>    * The function updates the status of the virtio device
>    * @param vdev
>    *      Reference to the virtio device.
_______________________________________________
Minios-devel mailing list
Minios-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/minios-devel