cli: --controller: use predictable cli subarg names

To match the XML schema, rename these subarguments and add aliases
to preserve compatibility:

* driver_queues -> driver.queues
* master -> master.startport

man/virt-install.pod

@@ -1081,6 +1081,8 @@ Controller also supports the special values B<usb2> and B<usb3> to
 specify which version of the USB controller should be used (version 2
 or 3).
 
+Some example suboptions:
+
 =over 4
 
 =item B<model>
@@ -1101,28 +1103,6 @@ The preferred method for setting this is using the address.* parameters.
 A decimal integer describing in which order the bus controller is
 encountered, and to reference the controller bus.
 
-=item B<master>
-
-Applicable to USB companion controllers, to define the master bus startport.
-
-=back
-
-Examples:
-
-=over 4
-
-=item B<--controller usb,model=ich9-ehci1,address=0:0:4.0,index=0>
-
-Adds a ICH9 EHCI1 USB controller on PCI address 0:0:4.0
-
-=item B<--controller usb,model=ich9-uhci2,address=0:0:4.7,index=0,master=2>
-
-Adds a ICH9 UHCI2 USB companion controller for the previous master
-controller, ports start from port number 2.
-
-The parameter multifunction='on' will be added automatically to the
-proper device (if needed).  This applies to all PCI devices.
-
 =back
 
 Use --controller=? to see a list of all available sub options. Complete details at L<https://libvirt.org/formatdomain.html#elementsControllers>

virtinst/cli.py

@@ -2781,9 +2781,10 @@ class ParserController(VirtCLIParser):
     cli_arg_name = "controller"
     guest_propname = "devices.controller"
     remove_first = "type"
-
-    def set_server_cb(self, inst, val, virtarg):
-        inst.address.set_addrstr(val)
+    aliases = {
+        "master.startport": "master",
+        "driver.queues": "driver_queues",
+    }
 
     def _parse(self, inst):
         if self.optstr == "usb2":
@@ -2792,6 +2793,14 @@ class ParserController(VirtCLIParser):
             return DeviceController.get_usb3_controller(inst.conn, self.guest)
         return super()._parse(inst)
 
+
+    ###################
+    # Option handling #
+    ###################
+
+    def set_address_cb(self, inst, val, virtarg):
+        inst.address.set_addrstr(val)
+
     @classmethod
     def _init_class(cls, **kwargs):
         VirtCLIParser._init_class(**kwargs)
@@ -2799,11 +2808,11 @@ class ParserController(VirtCLIParser):
         cls.add_arg("type", "type")
         cls.add_arg("model", "model")
         cls.add_arg("index", "index")
-        cls.add_arg("master", "master_startport")
-        cls.add_arg("driver_queues", "driver_queues")
         cls.add_arg("maxGrantFrames", "maxGrantFrames")
+        cls.add_arg("master.startport", "master_startport")
+        cls.add_arg("driver.queues", "driver_queues")
 
-        cls.add_arg("address", None, lookup_cb=None, cb=cls.set_server_cb)
+        cls.add_arg("address", None, lookup_cb=None, cb=cls.set_address_cb)
 
 
 ###################

virtinst/devices/controller.py

@@ -88,7 +88,8 @@ class DeviceController(Device):
         return ctrl
 
 
-    _XML_PROP_ORDER = ["type", "index", "model", "master_startport", "driver_queues", "maxGrantFrames"]
+    _XML_PROP_ORDER = ["type", "index", "model", "master_startport",
+            "driver_queues", "maxGrantFrames"]
 
     type = XMLProperty("./@type")
     model = XMLProperty("./@model")