virt-manager/virtinst/devicehostdev.py

123 lines
4.2 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 .device import VirtualDevice
from .nodedev import NodeDevice
from .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 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:
founddev = None
for checkdev in self.conn.fetch_all_nodedevs():
if checkdev.name == nodedev.parent:
founddev = checkdev
break
self.set_from_nodedev(founddev, use_full_usb=use_full_usb)
else:
raise ValueError("Unknown node device type %s" % nodedev)
def pretty_name(self):
def dehex(val):
if val.startswith("0x"):
val = val[2:]
return val
def safeint(val, fmt="%.3d"):
try:
int(val)
except:
return str(val)
return fmt % int(val)
label = self.type.upper()
if self.vendor and self.product:
label += " %s:%s" % (dehex(self.vendor), dehex(self.product))
elif self.bus and self.device:
label += " %s:%s" % (safeint(self.bus), safeint(self.device))
elif self.bus and self.slot and self.function and self.domain:
label += (" %s:%s:%s.%s" %
(dehex(self.domain), dehex(self.bus),
dehex(self.slot), dehex(self.function)))
return label
_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")
rom_bar = XMLProperty("./rom/@bar", is_onoff=True)
VirtualHostDevice.register_type()