166 lines
6.2 KiB
Python
166 lines
6.2 KiB
Python
#
|
|
# 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, XMLProperty
|
|
|
|
|
|
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"
|
|
|
|
# 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_device_classes = {}
|
|
|
|
@classmethod
|
|
def register_type(cls):
|
|
VirtualDevice.virtual_device_classes[cls.virtual_device_type] = cls
|
|
|
|
# General device type (disk, interface, etc.)
|
|
virtual_device_type = None
|
|
|
|
def __init__(self, conn, parsexml=None, parsexmlnode=None):
|
|
"""
|
|
Initialize device state
|
|
|
|
@param conn: libvirt connection to validate device against
|
|
"""
|
|
self._XML_ROOT_XPATH = "/domain/devices/%s" % self.virtual_device_type
|
|
|
|
XMLBuilder.__init__(self, conn, parsexml, parsexmlnode)
|
|
|
|
self.alias = VirtualDeviceAlias(conn, parsexmlnode=parsexmlnode)
|
|
self.address = VirtualDeviceAddress(conn, parsexmlnode=parsexmlnode)
|
|
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)
|
|
|
|
|
|
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
|
|
|
|
|
|
class VirtualDeviceAlias(XMLBuilder):
|
|
_XML_ROOT_XPATH = "/domain/devices/device/alias"
|
|
name = XMLProperty(xpath="./alias/@name")
|
|
|
|
|
|
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_XPATH = "/domain/devices/device/address"
|
|
_XML_PROP_ORDER = ["type", "domain", "bus", "slot", "function"]
|
|
|
|
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(xpath="./address/@type")
|
|
domain = XMLProperty(xpath="./address/@domain", is_int=True)
|
|
bus = XMLProperty(xpath="./address/@bus", is_int=True)
|
|
slot = XMLProperty(xpath="./address/@slot", is_int=True)
|
|
function = XMLProperty(xpath="./address/@function", is_int=True)
|
|
controller = XMLProperty(xpath="./address/@controller", is_int=True)
|
|
unit = XMLProperty(xpath="./address/@unit", is_int=True)
|
|
port = XMLProperty(xpath="./address/@port", is_int=True)
|