runtime-rs: use device manager to handle vm rootfs

use device manager to handle vm rootfs, after attach the block device of
vm rootfs, we need to increase index number

Fixes: #7119
Signed-off-by: Zhongtao Hu <zhongtaohu.tim@linux.alibaba.com>
Signed-off-by: Chelsea Mafrica <chelsea.e.mafrica@intel.com>
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>

src/runtime-rs/crates/resource/src/lib.rs

@@ -17,6 +17,7 @@ pub mod manager;
 mod manager_inner;
 pub mod network;
 pub mod resource_persist;
+use hypervisor::BlockConfig;
 use network::NetworkConfig;
 pub mod rootfs;
 pub mod share_fs;
@@ -30,6 +31,7 @@ use kata_types::config::hypervisor::SharedFsInfo;
 pub enum ResourceConfig {
     Network(NetworkConfig),
     ShareFs(SharedFsInfo),
+    VmRootfs(BlockConfig),
 }
 
 #[derive(Debug, Clone, Copy, PartialEq)]

src/runtime-rs/crates/resource/src/manager_inner.rs

@@ -121,6 +121,11 @@ impl ResourceManagerInner {
                         .await
                         .context("failed to handle network")?;
                 }
+                ResourceConfig::VmRootfs(r) => {
+                    do_handle_device(&self.device_manager, &DeviceConfig::BlockCfg(r))
+                        .await
+                        .context("do handle device failed.")?;
+                }
             };
         }