> From: Cao, Yahui <yahui.cao@xxxxxxxxx>
> Sent: Monday, September 18, 2023 2:26 PM
>
> +static struct file *
> +ice_vfio_pci_step_device_state_locked(struct ice_vfio_pci_core_device
> *ice_vdev,
> + u32 new, u32 final)
> +{
> + u32 cur = ice_vdev->mig_state;
> + int ret;
> +
> + if (cur == VFIO_DEVICE_STATE_RUNNING && new ==
> VFIO_DEVICE_STATE_RUNNING_P2P) {
> + ice_migration_suspend_dev(ice_vdev->pf, ice_vdev->vf_id);
> + return NULL;
> + }
> +
> + if (cur == VFIO_DEVICE_STATE_RUNNING_P2P && new ==
> VFIO_DEVICE_STATE_STOP)
> + return NULL;
> +
Jason, above is one open which your clarification is appreciated.
>From my talk with Yahui this device can drain/stop outgoing
traffic but has no interface to stop incoming request.
is it OK to do nothing for RUNNING_P2P->STOP transition like above?
