acrn-config: add 'usb_xhci' info to launch xmls

Some vm need USB xHCI mediator support, this patch add 'usb_xhci' item
to the launch config files that user can edit it from webUI.

Tracked-On: #4164
Signed-off-by: Wei Liu <weix.w.liu@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>

misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aaag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_aliaag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/apl-mrb/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel ioc \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/apl-up2-n3350/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_aaag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/apl-up2/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device">00:15.1 USB controller: Intel Corporation Device 5aaa (rev 0b)</usb_xdci>

misc/acrn-config/xmls/config-xmls/generic/hybrid_launch_1uos.xml

@@ -10,6 +10,7 @@
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/generic/industry_launch_1uos.xml

@@ -10,6 +10,7 @@
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/generic/industry_launch_2uos.xml

@@ -10,6 +10,7 @@
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>
@@ -41,6 +42,7 @@
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/generic/sdc_launch_1uos.xml

@@ -10,6 +10,7 @@
 	<console_type desc="UOS console type"></console_type>
 	<poweroff_channel desc="the method of power off uos">
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_hardrt.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_vxworks.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_1uos_waag.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/industry_launch_2uos.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>
@@ -38,6 +39,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc6cayh/sdc_launch_1uos_zephyr.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_hardrt.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_vxworks.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_1uos_waag.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/industry_launch_2uos.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>
@@ -38,6 +39,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/nuc7i7dnb/sdc_launch_1uos_zephyr.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_hardrt.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_vxworks.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_1uos_waag.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/industry_launch_2uos.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>
@@ -38,6 +39,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i5/sdc_launch_1uos_zephyr.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_hardrt.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_vxworks.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_1uos_waag.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/industry_launch_2uos.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>
@@ -38,6 +39,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_laag.xml

@@ -11,6 +11,7 @@
 	<poweroff_channel desc="the method of power off uos" readonly="true">
 	--pm_notify_channel power_button \
 	</poweroff_channel>
+	<usb_xhci desc="USB xHCI mediator configuration. input format: bus#-port#[:bus#-port#: ...]. e.g.: 1-2:2:4"></usb_xhci>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>

misc/acrn-config/xmls/config-xmls/whl-ipc-i7/sdc_launch_1uos_zephyr.xml

@@ -8,6 +8,7 @@
 	<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>
 
 	<passthrough_devices>
 		<usb_xdci desc="vm usb_xdci device"></usb_xdci>