This patch adds support for saving VMD subsystem's configuration to a
JSON formatted file. It allows saving and then loading configuration
with VMD enabled without having to send the `enable_vmd` RPC.
Change-Id: I59b380ec1e1f25f60f45d2363724ed7ac78c365c
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/473405
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>