File 020-guest-Query-availability-of-usb-redirdevs-i... of Package virt-manager

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File 020-guest-Query-availability-of-usb-redirdevs-in-domcaps.patch of Package virt-manager (Revision 0c686df000a6296f5ab35d78689578d1)

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Subject: guest: Query availability of usb redirdevs in domcaps
From: Lin Ma lma@suse.com Thu Nov 10 15:57:08 2022 +0800
Date: Wed Dec 14 12:44:54 2022 -0500:
Git: 8cc6ee8da36d518ec928c072822bbee6ebe2e362

Signed-off-by: Lin Ma <lma@suse.com>

diff --git a/virtinst/domcapabilities.py b/virtinst/domcapabilities.py
index 1b5b6bf6..91f51f9f 100644
--- a/virtinst/domcapabilities.py
+++ b/virtinst/domcapabilities.py
@@ -113,6 +113,7 @@ class _Devices(_CapsBlock):
     graphics = XMLChildProperty(_make_capsblock("graphics"), is_single=True)
     tpm = XMLChildProperty(_make_capsblock("tpm"), is_single=True)
     filesystem = XMLChildProperty(_make_capsblock("filesystem"), is_single=True)
+    redirdev = XMLChildProperty(_make_capsblock("redirdev"), is_single=True)
 
 
 class _Features(_CapsBlock):
@@ -448,6 +449,18 @@ class DomainCapabilities(XMLBuilder):
 
         return self.devices.graphics.get_enum("type").has_value("spice")
 
+    def supports_redirdev_usb(self):
+        """
+        Return False if libvirt explicitly advertises no support for
+        USB redirect
+        """
+        if self.devices.redirdev.supported is None:
+            # Follow the original behavior in case of talking to older
+            # libvirt.
+            return True
+
+        return self.devices.redirdev.get_enum("bus").has_value("usb")
+
     def supports_filesystem_virtiofs(self):
         """
         Return True if libvirt advertises support for virtiofs
diff --git a/virtinst/guest.py b/virtinst/guest.py
index e6636022..1d1e2ee9 100644
--- a/virtinst/guest.py
+++ b/virtinst/guest.py
@@ -1155,6 +1155,8 @@ class Guest(XMLBuilder):
         self.add_device(dev)
 
     def _add_spice_usbredir(self):
+        if not self.lookup_domcaps().supports_redirdev_usb():
+            return
         if self.skip_default_usbredir:
             return
         if self.devices.redirdev:

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File 020-guest-Query-availability-of-usb-redirdevs-in-domcaps.patch of Package virt-manager (Revision 0c686df000a6296f5ab35d78689578d1)

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