On Wed, Oct 04, 2023 at 02:59:03PM +0200, Hanna Czenczek wrote: > vhost_save_backend_state() and vhost_load_backend_state() can be used by > vhost front-ends to easily save and load the back-end's state to/from > the migration stream. > > Because we do not know the full state size ahead of time, > vhost_save_backend_state() simply reads the data in 1 MB chunks, and > writes each chunk consecutively into the migration stream, prefixed by > its length. EOF is indicated by a 0-length chunk. > > Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com> > Signed-off-by: Hanna Czenczek <hre...@redhat.com> > --- > include/hw/virtio/vhost.h | 35 +++++++ > hw/virtio/vhost.c | 204 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 239 insertions(+)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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