This series enables shadowed CVQ to intercept multiqueue commands through shadowed CVQ, update the virtio NIC device model so qemu send it in a migration, and the restore of that MQ state in the destination.
It needs to be applied on top of [1]. [1] https://lists.gnu.org/archive/html/qemu-devel/2022-08/msg02965.html v2: * Add vhost_vdpa_net_load_cmd helper to avoid out buffers castings. * Make cvq_cmd_in_buffer virtio_net_ctrl_ack type. Eugenio Pérez (6): vdpa: Make VhostVDPAState cvq_cmd_in_buffer control ack type vdpa: extract vhost_vdpa_net_load_mac from vhost_vdpa_net_load vdpa: Add vhost_vdpa_net_load_mq vdpa: validate MQ CVQ commands virtio-net: Update virtio-net curr_queue_pairs in vdpa backends vdpa: Allow MQ feature in SVQ hw/net/virtio-net.c | 17 +++---- net/vhost-vdpa.c | 119 ++++++++++++++++++++++++++++++++------------ 2 files changed, 93 insertions(+), 43 deletions(-) -- 2.31.1
