qemu_storage: support the vdpa device

add vdpa device support to the related functions

Signed-off-by: Houqi (Nick) Zuo <hzuo@redhat.com>

virttest/qemu_storage.py

@@ -16,7 +16,7 @@
 from avocado.core import exceptions
 from avocado.utils import process
 
-from virttest import utils_misc
+from virttest import utils_misc, utils_vdpa
 from virttest import virt_vm
 from virttest import storage
 from virttest import nvme
@@ -187,8 +187,10 @@ def filename_to_file_opts(filename):
 
                 if matches['user'] is not None:
                     file_opts['username'] = matches['user']
+    elif filename.startswith("/dev/vhost-vdpa"):
+        file_opts = {'driver': 'virtio-blk-vhost-vdpa', 'path': filename}
     # FIXME: Judge the host device by the string starts with "/dev/".
-    elif filename.startswith('/dev/'):
+    elif filename.startswith('/dev/') and not filename.startswith("/dev/vhost-vdpa"):
         file_opts = {'driver': 'host_device', 'filename': filename}
     else:
         file_opts = {'driver': 'file', 'filename': filename}
@@ -771,6 +773,8 @@ def create(self, params, ignore_errors=False):
         :return: tuple (path to the image created, process.CmdResult object
                  containing the result of the creation command).
         """
+        if self.params.get("drive_format") == "vdpa":
+            return utils_vdpa.get_vdpa_dev_file_by_name(self.params.get("image_name")), None
         if params.get(
                 "create_with_dd") == "yes" and self.image_format == "raw":
             # maps K,M,G,T => (count, bs)
@@ -922,6 +926,8 @@ def convert(self, params, root_dir, cache_mode=None,
             "target_image_opts": ""
         }
 
+        if "vdpa" == self.params.get("drive_format"):
+            LOG.error("The Vdpa is NOT supported for convert operation!")
         options = convert_image._parse_options(convert_params)
         if options:
             cmd_dict["options"] = ",".join(options)
@@ -1096,6 +1102,8 @@ def snapshot_create(self):
                snapshot_image_name -- the name of snapshot image file
         """
 
+        if self.params.get("drive_format") == "vdpa":
+            return None
         cmd = self.image_cmd
         if self.snapshot_tag:
             cmd += " snapshot -c %s" % self.snapshot_image_filename
@@ -1118,6 +1126,8 @@ def snapshot_del(self, blkdebug_cfg=""):
                snapshot_image_name -- the name of snapshot image file
         """
 
+        if self.params.get("drive_format") == "vdpa":
+            return None
         cmd = self.image_cmd
         if self.snapshot_tag:
             cmd += " snapshot -d %s" % self.snapshot_image_filename
@@ -1291,6 +1301,9 @@ def remove(self):
         """
         Remove an image file.
         """
+        if self.params.get("drive_format") == "vdpa":
+            LOG.debug("Vdpa device does NOT have image file...skipping")
+            return None
         LOG.debug("Removing image file %s", self.image_filename)
         storage.file_remove(self.params, self.image_filename)