virt-manager/virtinst/devicehostdev.py
2014-01-14 18:09:21 -05:00

93 lines
3.3 KiB
Python

#
# Copyright 2009, 2013 Red Hat, Inc.
# Cole Robinson <crobinso@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
from virtinst import VirtualDevice
from virtinst import NodeDevice
from virtinst.xmlbuilder import XMLProperty
class VirtualHostDevice(VirtualDevice):
virtual_device_type = VirtualDevice.VIRTUAL_DEV_HOSTDEV
def set_from_nodedev(self, nodedev, use_full_usb=None):
"""
@use_full_usb: If set, and nodedev is USB, specify both
vendor and product. Used if user requests bus/add on virt-install
command line, or if virt-manager detects a dup USB device
and we need to differentiate
"""
if (use_full_usb is None and
nodedev.addr_type == nodedev.HOSTDEV_ADDR_TYPE_USB_BUSADDR):
use_full_usb = True
if nodedev.device_type == NodeDevice.CAPABILITY_TYPE_PCI:
self.type = "pci"
self.domain = nodedev.domain
self.bus = nodedev.bus
self.slot = nodedev.slot
self.function = nodedev.function
elif nodedev.device_type == NodeDevice.CAPABILITY_TYPE_USBDEV:
self.type = "usb"
self.vendor = nodedev.vendor_id
self.product = nodedev.product_id
if use_full_usb:
self.bus = nodedev.bus
self.device = nodedev.device
elif nodedev.device_type == nodedev.CAPABILITY_TYPE_NET:
parentnode = nodedev.lookupNodeName(self.conn, nodedev.parent)
self.set_from_nodedev(parentnode, use_full_usb=use_full_usb)
else:
raise ValueError("Unknown node device type %s" % nodedev)
_XML_PROP_ORDER = ["mode", "type", "managed", "vendor", "product",
"domain", "bus", "slot", "function"]
mode = XMLProperty("./@mode", default_cb=lambda s: "subsystem")
type = XMLProperty("./@type")
def _get_default_managed(self):
return self.conn.is_xen() and "no" or "yes"
managed = XMLProperty("./@managed", is_yesno=True,
default_cb=_get_default_managed)
vendor = XMLProperty("./source/vendor/@id")
product = XMLProperty("./source/product/@id")
device = XMLProperty("./source/address/@device")
bus = XMLProperty("./source/address/@bus")
def _get_default_domain(self):
if self.type == "pci":
return "0x0"
return None
domain = XMLProperty("./source/address/@domain",
default_cb=_get_default_domain)
function = XMLProperty("./source/address/@function")
slot = XMLProperty("./source/address/@slot")
driver_name = XMLProperty("./driver/@name")
VirtualHostDevice.register_type()