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#
# Base class for all VM devices
#
# Copyright 2008, 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.xmlbuilder import XMLBuilder, XMLChildProperty, XMLProperty
class VirtualDeviceAlias(XMLBuilder):
_XML_ROOT_NAME = "alias"
name = XMLProperty("./@name")
class VirtualDeviceBoot(XMLBuilder):
_XML_ROOT_NAME = "boot"
order = XMLProperty("./@order", is_int=True)
class VirtualDeviceAddress(XMLBuilder):
"""
Examples:
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
<address type='drive' controller='0' bus='0' unit='0'/>
<address type='ccid' controller='0' slot='0'/>
<address type='virtio-serial' controller='1' bus='0' port='4'/>
"""
ADDRESS_TYPE_PCI = "pci"
ADDRESS_TYPE_DRIVE = "drive"
ADDRESS_TYPE_VIRTIO_SERIAL = "virtio-serial"
ADDRESS_TYPE_CCID = "ccid"
ADDRESS_TYPE_SPAPR_VIO = "spapr-vio"
TYPES = [ADDRESS_TYPE_PCI, ADDRESS_TYPE_DRIVE,
ADDRESS_TYPE_VIRTIO_SERIAL, ADDRESS_TYPE_CCID,
ADDRESS_TYPE_SPAPR_VIO]
_XML_ROOT_NAME = "address"
_XML_PROP_ORDER = ["type", "domain", "controller", "bus", "slot",
"function", "target", "unit", "multifunction"]
def set_addrstr(self, addrstr):
if addrstr is None:
return
if addrstr.count(":") in [1, 2] and addrstr.count("."):
self.type = self.ADDRESS_TYPE_PCI
addrstr, self.function = addrstr.split(".", 1)
addrstr, self.slot = addrstr.rsplit(":", 1)
self.domain = "0"
if addrstr.count(":"):
self.domain, self.bus = addrstr.split(":", 1)
elif addrstr == "spapr-vio":
self.type = self.ADDRESS_TYPE_SPAPR_VIO
else:
raise ValueError(_("Could not determine or unsupported "
"format of '%s'") % addrstr)
type = XMLProperty("./@type")
domain = XMLProperty("./@domain", is_int=True)
bus = XMLProperty("./@bus", is_int=True)
slot = XMLProperty("./@slot", is_int=True)
function = XMLProperty("./@function", is_int=True)
controller = XMLProperty("./@controller", is_int=True)
unit = XMLProperty("./@unit", is_int=True)
port = XMLProperty("./@port", is_int=True)
target = XMLProperty("./@target", is_int=True)
multifunction = XMLProperty("./@multifunction", is_onoff=True)
class VirtualDevice(XMLBuilder):
"""
Base class for all domain xml device objects.
"""
VIRTUAL_DEV_DISK = "disk"
VIRTUAL_DEV_NET = "interface"
VIRTUAL_DEV_INPUT = "input"
VIRTUAL_DEV_GRAPHICS = "graphics"
VIRTUAL_DEV_AUDIO = "sound"
VIRTUAL_DEV_HOSTDEV = "hostdev"
VIRTUAL_DEV_SERIAL = "serial"
VIRTUAL_DEV_PARALLEL = "parallel"
VIRTUAL_DEV_CHANNEL = "channel"
VIRTUAL_DEV_CONSOLE = "console"
VIRTUAL_DEV_VIDEO = "video"
VIRTUAL_DEV_CONTROLLER = "controller"
VIRTUAL_DEV_WATCHDOG = "watchdog"
VIRTUAL_DEV_FILESYSTEM = "filesystem"
VIRTUAL_DEV_SMARTCARD = "smartcard"
VIRTUAL_DEV_REDIRDEV = "redirdev"
VIRTUAL_DEV_MEMBALLOON = "memballoon"
VIRTUAL_DEV_TPM = "tpm"
VIRTUAL_DEV_RNG = "rng"
VIRTUAL_DEV_PANIC = "panic"
# Ordering in this list is important: it will be the order the
# Guest class outputs XML. So changing this may upset the test suite
virtual_device_types = [VIRTUAL_DEV_DISK,
VIRTUAL_DEV_CONTROLLER,
VIRTUAL_DEV_FILESYSTEM,
VIRTUAL_DEV_NET,
VIRTUAL_DEV_INPUT,
VIRTUAL_DEV_GRAPHICS,
VIRTUAL_DEV_SERIAL,
VIRTUAL_DEV_PARALLEL,
VIRTUAL_DEV_CONSOLE,
VIRTUAL_DEV_CHANNEL,
VIRTUAL_DEV_AUDIO,
VIRTUAL_DEV_VIDEO,
VIRTUAL_DEV_HOSTDEV,
VIRTUAL_DEV_WATCHDOG,
VIRTUAL_DEV_SMARTCARD,
VIRTUAL_DEV_REDIRDEV,
VIRTUAL_DEV_MEMBALLOON,
VIRTUAL_DEV_TPM,
VIRTUAL_DEV_RNG,
VIRTUAL_DEV_PANIC]
virtual_device_classes = {}
@classmethod
def register_type(cls):
cls._XML_ROOT_NAME = cls.virtual_device_type
VirtualDevice.virtual_device_classes[cls.virtual_device_type] = cls
# General device type (disk, interface, etc.)
virtual_device_type = None
def __init__(self, *args, **kwargs):
"""
Initialize device state
@param conn: libvirt connection to validate device against
"""
XMLBuilder.__init__(self, *args, **kwargs)
self._XML_PROP_ORDER = self._XML_PROP_ORDER + ["alias", "address"]
if not self.virtual_device_type:
raise ValueError(_("Virtual device type must be set in subclass."))
if self.virtual_device_type not in self.virtual_device_types:
raise ValueError(_("Unknown virtual device type '%s'.") %
self.virtual_device_type)
alias = XMLChildProperty(VirtualDeviceAlias, is_single=True)
address = XMLChildProperty(VirtualDeviceAddress, is_single=True)
boot = XMLChildProperty(VirtualDeviceBoot, is_single=True)
def setup(self, meter=None):
"""
Perform potentially hazardous device initialization, like
storage creation or host device reset
@param meter: Optional progress meter to use
"""
# Will be overwritten by subclasses if necessary.
ignore = meter
return
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