02b2e25360
Add qdev_add_vm_change_state_handler_full() variant that allows setting a prepare callback in addition to the main callback. This will facilitate adding P2P support for VFIO migration in the following patches. Signed-off-by: Avihai Horon <avihaih@nvidia.com> Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: YangHang Liu <yanghliu@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>