From 40140281aeea29d1ac882751708aa64754eeb274 Mon Sep 17 00:00:00 2001
From: Wei Liu <weix.w.liu@intel.com>
Date: Fri, 29 Nov 2019 13:27:00 +0800
Subject: [PATCH] acrn-config: add rootfs_dev/rootfs_img with virtio-blk item

remov rootfs_dev and rootfs_img item and replace them with vritio-blk
item.

The format for virtio-blk:
[blk partition:][img path] e.g.: /dev/sda3:./a/b.img

For vbootloader of ovmf: [img path] e.g.:./a/b.img

Tracked-On: #4172
Signed-off-by: Wei Liu <weix.w.liu@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>
---
 .../xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml       | 3 +--
 .../xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml     | 3 +--
 .../xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml       | 3 +--
 .../xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml | 3 +--
 .../xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml       | 3 +--
 .../xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml       | 3 +--
 .../xmls/config-xmls/generic/hybrid_launch_1uos.xml         | 3 +--
 .../xmls/config-xmls/generic/industry_launch_1uos.xml       | 3 +--
 .../xmls/config-xmls/generic/industry_launch_2uos.xml       | 6 ++----
 .../xmls/config-xmls/generic/sdc_launch_1uos.xml            | 3 +--
 .../config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml    | 3 +--
 .../config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml   | 3 +--
 .../xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml | 3 +--
 .../xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml      | 6 ++----
 .../xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml      | 3 +--
 .../xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml    | 3 +--
 .../config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml   | 3 +--
 .../config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml  | 3 +--
 .../config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml     | 3 +--
 .../xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml     | 6 ++----
 .../xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml     | 3 +--
 .../xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml   | 3 +--
 .../config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml  | 3 +--
 .../config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml | 3 +--
 .../config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml    | 3 +--
 .../xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml    | 6 ++----
 .../xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml    | 3 +--
 .../xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml  | 3 +--
 .../config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml  | 3 +--
 .../config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml | 3 +--
 .../config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml    | 3 +--
 .../xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml    | 6 ++----
 .../xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml    | 3 +--
 .../xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml  | 3 +--
 34 files changed, 39 insertions(+), 78 deletions(-)

diff --git a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml
index d5c405ff1..71cf580e1 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk1p3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">android/android.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk1p3:android/android.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml
index 41293995c..da2fa2e3f 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk1p3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">alios/alios.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk1p3:alios/alios.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml
index 3846feef5..fc429efe4 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk1p3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">clearlinux/clearlinux.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk1p3:clearlinux/clearlinux.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml
index b5d6ce868..54e7160c6 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk0p1</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">clearlinux/clearlinux.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk0p1:clearlinux/clearlinux.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml b/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml
index 31717d4c0..8d04ab793 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk0p1</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">android/android.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk0p1:android/android.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml
index d455bb9ce..92a9d57fe 100644
--- a/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/mmcblk0p1</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">clearlinux/clearlinux.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/dev/mmcblk0p1:clearlinux/clearlinux.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/generic/hybrid_launch_1uos.xml b/misc/acrn-config/xmls/config-xmls/generic/hybrid_launch_1uos.xml
index ff8b5f476..963ee0dd1 100644
--- a/misc/acrn-config/xmls/config-xmls/generic/hybrid_launch_1uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/generic/hybrid_launch_1uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte"></mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc=""></rootfs_dev>
-	<rootfs_img desc=""></rootfs_img>
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
@@ -29,6 +27,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/generic/industry_launch_1uos.xml b/misc/acrn-config/xmls/config-xmls/generic/industry_launch_1uos.xml
index 87010cd1e..3b158a7db 100644
--- a/misc/acrn-config/xmls/config-xmls/generic/industry_launch_1uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/generic/industry_launch_1uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte"></mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc=""></rootfs_dev>
-	<rootfs_img desc=""></rootfs_img>
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
@@ -29,6 +27,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/generic/industry_launch_2uos.xml b/misc/acrn-config/xmls/config-xmls/generic/industry_launch_2uos.xml
index bd6361ae6..379944b63 100644
--- a/misc/acrn-config/xmls/config-xmls/generic/industry_launch_2uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/generic/industry_launch_2uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte"></mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc=""></rootfs_dev>
-	<rootfs_img desc=""></rootfs_img>
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
@@ -29,6 +27,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
     <uos id="2">
@@ -37,8 +36,6 @@
 	<mem_size desc="UOS memory size in MByte"></mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc=""></rootfs_dev>
-	<rootfs_img desc=""></rootfs_img>
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
@@ -61,6 +58,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/generic/sdc_launch_1uos.xml b/misc/acrn-config/xmls/config-xmls/generic/sdc_launch_1uos.xml
index d7ab2827f..a93594153 100644
--- a/misc/acrn-config/xmls/config-xmls/generic/sdc_launch_1uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/generic/sdc_launch_1uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte"></mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc=""></rootfs_dev>
-	<rootfs_img desc=""></rootfs_img>
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
@@ -29,6 +27,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml
index 30158d041..f92464b12 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc="rootfs partition devices"></rootfs_dev>
-	<rootfs_img configurable="0" desc="rootfs image"></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml
index 9e2ce3f21..c21986503 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./VxWorks.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./VxWorks.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml
index 3b3f04ec2..84cab48b8 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml
index cd5ad9c86..d6363affb 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 
@@ -36,8 +35,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc=""></rootfs_dev>
-	<rootfs_img configurable="0" desc=""></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -58,6 +55,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml
index bfe1dfa47..51aecde19 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">home/clear/uos/uos.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/home/clear/uos/uos.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml b/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml
index a3bb3fa0e..ae8e4a554 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">128</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./zephyr.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./zephyr.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml
index a6dc1c183..6b0c4207b 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc="rootfs partition devices"></rootfs_dev>
-	<rootfs_img configurable="0" desc="rootfs image"></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml
index 015d90243..23933f064 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./VxWorks.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./VxWorks.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml
index 60a896a25..7a92c5a6b 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml
index ae4c1f5f9..220ae4238 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 
@@ -36,8 +35,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc=""></rootfs_dev>
-	<rootfs_img configurable="0" desc=""></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -58,6 +55,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml
index e5a41a9cc..399f92390 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">home/clear/uos/uos.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/home/clear/uos/uos.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml
index 444eda558..40cfd191d 100644
--- a/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml
+++ b/misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">128</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./zephyr.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./zephyr.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml
index 323ba4076..2b9b10fcc 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc="rootfs partition devices"></rootfs_dev>
-	<rootfs_img configurable="0" desc="rootfs image"></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml
index b221a9484..bc661b457 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./VxWorks.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./VxWorks.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml
index e3fa1ac1f..16ebddef4 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml
index 6d83d4fd2..8348a4bb3 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 
@@ -36,8 +35,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc=""></rootfs_dev>
-	<rootfs_img configurable="0" desc=""></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -58,6 +55,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml
index c1937861d..ae62edd2a 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">home/clear/uos/uos.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/home/clear/uos/uos.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml
index 0c8e66a79..002aa3aeb 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">128</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./zephyr.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./zephyr.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml
index 77c400b68..45e0cbd31 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc="rootfs partition devices"></rootfs_dev>
-	<rootfs_img configurable="0" desc="rootfs image"></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml
index 803386f31..e8311ac26 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./VxWorks.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./VxWorks.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml
index 9414fa9d9..5a9a01610 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml
index a1bf12ce7..e7885f3e7 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">4096</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./win10-ltsc.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./win10-ltsc.img</block>
 	</virtio_devices>
     </uos>
 
@@ -36,8 +35,6 @@
 	<mem_size desc="UOS memory size in MByte">1024</mem_size>
 	<gvt_args configurable="0" desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev configurable="0" desc=""></rootfs_dev>
-	<rootfs_img configurable="0" desc=""></rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -58,6 +55,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img"></block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml
index 27073c461..aa3bb18f3 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">2048</mem_size>
 	<gvt_args desc="GVT argument for the vm">64 448 8</gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">home/clear/uos/uos.img</rootfs_img>
 	<console_type desc="UOS console type">virtio-console(hvc0)</console_type>
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
@@ -30,6 +28,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">/home/clear/uos/uos.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>
diff --git a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml
index 851ed14e7..7509104d8 100644
--- a/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml
+++ b/misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml
@@ -5,8 +5,6 @@
 	<mem_size desc="UOS memory size in MByte">128</mem_size>
 	<gvt_args desc="GVT argument for the vm"></gvt_args>
 	<vbootloader desc="virtual bootloader method" readonly="true">ovmf</vbootloader>
-	<rootfs_dev desc="rootfs partition devices" readonly="true">/dev/sda3</rootfs_dev>
-	<rootfs_img desc="rootfs image" readonly="true">./zephyr.img</rootfs_img>
 	<console_type desc="UOS console type">com1(ttyS0)</console_type>
 	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
@@ -27,6 +25,7 @@
 
 	<virtio_devices>
 		<input desc="virtio input device"></input>
+		<block desc="virtio block device setting. format: [blk partition:][img path] e.g.: /dev/sda3:./a/b.img">./zephyr.img</block>
 	</virtio_devices>
     </uos>
 </acrn-config>