> From: Cao, Yahui
> Sent: Tuesday, November 21, 2023 10:51 AM
> @@ -4037,6 +4045,17 @@ void ice_vc_process_vf_msg(struct ice_pf *pf,
> struct ice_rq_event_info *event,
> goto finish;
> }
>
> + if (vf->migration_enabled) {
> + if (ice_migration_log_vf_msg(vf, e
> From: Cao, Yahui
> Sent: Tuesday, November 21, 2023 10:51 AM
> +
> + while (msg_slot->opcode != VIRTCHNL_OP_UNKNOWN) {
> + struct ice_rq_event_info event;
> + u64 slot_sz;
> +
> + slot_sz = struct_size(msg_slot, msg_buffer, msg_slot-
> >msg_len);
> +
> From: Cao, Yahui
> Sent: Tuesday, November 21, 2023 10:51 AM
>
> + /* Read the beginning two bytes of message for VSI id */
> + u16 *vsi_id = (u16 *)msg;
> +
> + /* For VM runtime stage, vsi_id in the virtual channel
> message
> + * should be equa
> From: Cao, Yahui
> Sent: Tuesday, November 21, 2023 10:51 AM
>
> +
> + /* Once RX Queue is enabled, network traffic may come in at
> any
> + * time. As a result, RX Queue head needs to be loaded
> before
> + * RX Queue is enabled.
> + * For simp
> From: Cao, Yahui
> Sent: Tuesday, November 21, 2023 10:51 AM
>
> To advance TX Head queue, HW needs to touch memory by DMA. But
> directly
> touching VM's memory to advance TX Queue head does not follow vfio
> migration protocol design, because vIOMMU state is not defined by the
> protocol. Eve
> From: Jason Gunthorpe
> Sent: Thursday, December 7, 2023 10:46 PM
>
> On Thu, Dec 07, 2023 at 07:55:17AM +, Tian, Kevin wrote:
> > > From: Cao, Yahui
> > > Sent: Tuesday, November 21, 2023 10:51 AM
> > >
> > > +
> > > + /*
> From: Alex Williamson
> Sent: Friday, December 8, 2023 6:43 AM
> > +
> > + 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;
> > + }
> > +
> > +
> From: Tian, Kevin
> Sent: Friday, December 8, 2023 11:42 AM
>
> > From: Alex Williamson
> > Sent: Friday, December 8, 2023 6:43 AM
> > > +
> > > + if (cur == VFIO_DEVICE_STATE_RUNNING &&
> > > + new == VFIO_DEVICE_STATE_RUNNING_P2P)
> From: Cao, Yahui
> 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;
> +
>
> From: Jason Gunthorpe
> Sent: Friday, October 13, 2023 10:08 PM
>
> On Fri, Oct 13, 2023 at 08:52:07AM +, Tian, Kevin wrote:
> > > From: Cao, Yahui
> > > Sent: Monday, September 18, 2023 2:26 PM
> > >
> > > +static struct file *
>
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