On 7/12/2023 3:54 AM, Thomas Monjalon wrote:
Hello,
I don't pull this patch in -rc3 because I feel some improvements should be done.
Hi Thomas, thanks for your review. I am sorry for the late response.
On 7/7/2023 2:08 PM, Lingyu Liu wrote:
+ echo 2 > /sys/bus/pci/devices/0000:ca:00.1/sriov_numvfs
+ echo "8086 1889" > /sys/bus/pci/drivers/ice-vfio-pci/new_id
+ echo 0000:ca:11.0 > /sys/bus/pci/devices/0000:ca:11.0/driver/unbind
+ echo 0000:ca:11.0 > /sys/bus/pci/drivers/ice-vfio-pci/bind
+ echo 0000:ca:11.1 > /sys/bus/pci/devices/0000:ca:11.1/driver/unbind
+ echo 0000:ca:11.1 > /sys/bus/pci/drivers/ice-vfio-pci/bind
Why not using dpdk-devbind.py?
dpdk-devbind.py doesn't support ice-vfio-pci driver yet.
+
+ .. note::
+
+ The command above creates two vfs for device 0000:ca:00.1:
vfs should be VFs
Thanks. Will change in next version.
+
+ .. code-block:: console
+
+ 0000:ca:11.0 'Ethernet Adaptive Virtual Function 1889' if=
drv=ice-vfio-pci unused=iavf
+ 0000:ca:11.1 'Ethernet Adaptive Virtual Function 1889' if=
drv=ice-vfio-pci unused=iavf
+
+#. Now, start the migration source Virtual Machine by running the following
command:
+
+ .. code-block:: console
+
+ qemu/build/x86_64-softmmu/qemu-system-x86_64 -enable-kvm -cpu host -m
4G -smp 1 -device
vfio-pci,host=0000:ca:11.0,x-enable-migration=true,x-pre-copy-dirty-page-tracking=off
-drive file=ubuntu-2004.qcow2 -nic user,hostfwd=tcp::5555-:22 -monitor stdio
No need the full qemu command with your local details here.
Thanks. Will change.
--- a/doc/guides/rel_notes/release_23_07.rst
+++ b/doc/guides/rel_notes/release_23_07.rst
@@ -200,6 +200,9 @@ New Features
Enhanced the GRO library to support TCP packets over IPv6 network.
+* **Updated Intel iavf driver.**
+
+ Added the document for iavf driver live migration based on KVM vfio
migration.
Not sure about the importance of this note.
It shows that AVF PMD live migration feature has been supported and
lists the steps for users.
