Merge pull request #270 from FengYang/virtio_serial

Add virtio serial file transfer basic test.

qemu/tests/cfg/virtio_serial_file_transfer.cfg

+- virtio_serial_file_transfer:
+    type = virtio_serial_file_transfer
+    guest_scripts = VirtIoChannel_guest_send_receive.py;windows_support.py
+    guest_script_folder = /var/tmp/
+    file_transfer_serial_port = vc1
+    virtio_ports = vc1 vc2
+    virtio_port_type = serialport
+    file_sender = both
+    md5_check = yes
+    transfer_timeout = 720
+    clean_cmd = rm -f
+    filesize = 10
+    host_script = serial_host_send_receive.py
+    guest_script = VirtIoChannel_guest_send_receive.py
+    repeat_times = 1
+    Windows:
+        guest_script_folder = C:\
+        clean_cmd = del /f /q

qemu/tests/virtio_serial_file_transfer.py

+from virttest import utils_test
+
+
+def run(test, params, env):
+    """
+    Test virtio serial guest file transfer.
+
+    Steps:
+    1) Boot up a VM with virtio serial device.
+    2) Create a large file in guest or host.
+    3) Copy this file between guest and host through virtio serial.
+    4) Check if file transfers ended good by md5 (optional).
+
+    :param test: QEMU test object.
+    :param params: Dictionary with the test parameters.
+    :param env: Dictionary with test environment.
+    """
+
+    port_name = params.get("file_transfer_serial_port")
+    file_sender = params.get("file_sender", "guest")
+    md5_check = params.get("md5_check", "yes") == "yes"
+
+    utils_test.run_virtio_serial_file_transfer(test, params, env,
+                                               port_name=port_name,
+                                               sender=file_sender,
+                                               md5_check=md5_check)