qemu.tests.usb_storage: make this script work for win guest

Signed-off-by: NQingtang Zhou <qzhou@redhat.com>

qemu/tests/cfg/usb.cfg

 - usb:
     virt_test_type = qemu
-    only Linux
     no Host_RHEL.5
     no Host_RHEL.6.1
     restart_vm = yes
@@ -159,8 +158,16 @@
             writefile_cmd += " done;"
             writefile_cmd += " echo $out > %s"
             readfile_cmd = "sh /media/md5chk.sh && cat %s"
+            chk_usb_info_cmd = "lsusb -v"
+            chk_usb_info_keyword = "Mass Storage,SCSI,QEMU USB HARDDRIVE"
             RHEL.3, RHEL.4, RHEL.5:
                 check_io_size_option = no
+            Windows:
+                chk_usb_info_cmd = 'wmic path Win32_USBControllerDevice get Dependent | find "USB"'
+                chk_usb_info_keyword = "USBSTOR,VEN_QEMU,PROD_QEMU_HARDDISK"
+                check_serial_option = no
+                check_removable_option = no
+                check_io_size_option = no
         - usb_host:
             # must configure which device should be used
             #usb_host_device = "<vendorid>:<productid>"

qemu/tests/usb_storage.py

@@ -182,9 +182,9 @@ def run_usb_storage(test, params, env):
 
     error.context("Check usb device information in guest", logging.info)
     session = _login()
-    output = session.cmd("lsusb -v")
+    output = session.cmd(params["chk_usb_info_cmd"])
     # No bus specified, default using "usb.0" for "usb-storage"
-    for i in ["Mass Storage", "SCSI", "QEMU USB HARDDRIVE"]:
+    for i in params["chk_usb_info_keyword"].split(","):
         _verify_string(i, output, [i])
     _do_io_test_guest(session)
     session.close()