When doing live migration the migration BAR region is bytes stream
data, so here we use the helper function to save current controller
state into the stream in source VM and load it as internl data
structure from steam in destination VM.
We will remove the `unused` attrubute in next patch.
Change-Id: Ib44adb351c697b50b9220ce6943cc017137a6064
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10336
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>