mirror of
https://github.com/xen-project/xen.git
synced 2026-10-29 02:30:03 +01:00
Keir Fraser
08a42ca0b5
Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com> Signed-off-by: Jun Kamada <kama@jp.fujitsu.com>
85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
#===========================================================================
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of version 2.1 of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation.
|
|
#
|
|
# This library 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#============================================================================
|
|
# Copyright (C) 2006 XenSource Ltd
|
|
#============================================================================
|
|
|
|
#
|
|
# A collection of DevControllers
|
|
#
|
|
|
|
from xen.xend.server import blkif, netif, tpmif, pciif, iopif, irqif, vfbif, vscsiif
|
|
from xen.xend.server.BlktapController import BlktapController
|
|
from xen.xend.server.ConsoleController import ConsoleController
|
|
|
|
|
|
class XendDevices:
|
|
""" An ugly halfway point between the module local device name
|
|
to class map we used to have in XendDomainInfo and something
|
|
slightly more managable.
|
|
|
|
This class should contain all the functions that have to do
|
|
with managing devices in Xend. Right now it is only a factory
|
|
function.
|
|
"""
|
|
|
|
controllers = {
|
|
'vbd': blkif.BlkifController,
|
|
'vif': netif.NetifController,
|
|
'vtpm': tpmif.TPMifController,
|
|
'pci': pciif.PciController,
|
|
'ioports': iopif.IOPortsController,
|
|
'irq': irqif.IRQController,
|
|
'tap': BlktapController,
|
|
'vfb': vfbif.VfbifController,
|
|
'vkbd': vfbif.VkbdifController,
|
|
'console': ConsoleController,
|
|
'vscsi': vscsiif.VSCSIController,
|
|
}
|
|
|
|
#@classmethod
|
|
def valid_devices(cls):
|
|
return cls.controllers.keys()
|
|
valid_devices = classmethod(valid_devices)
|
|
|
|
#@classmethod
|
|
def make_controller(cls, name, domain):
|
|
"""Factory function to make device controllers per domain.
|
|
|
|
@param name: device class name in L{VALID_DEVICES}
|
|
@type name: String
|
|
@param domain: domain this controller is handling devices for.
|
|
@type domain: XendDomainInfo
|
|
@return: DevController of class 'name' or None
|
|
@rtype: subclass of DevController
|
|
"""
|
|
if name in cls.controllers.keys():
|
|
cls.controllers[name].deviceClass = name
|
|
return cls.controllers[name](domain)
|
|
return None
|
|
|
|
make_controller = classmethod(make_controller)
|
|
|
|
def destroy_device_state(cls, domain):
|
|
"""Destroy the state of (external) devices. This is necessary
|
|
to do when a VM's configuration is destroyed.
|
|
|
|
@param domain: domain this controller is handling devices for.
|
|
@type domain: XendDomainInfo
|
|
"""
|
|
from xen.xend.XendLogging import log
|
|
tpmif.destroy_vtpmstate(domain.info.get('vtpm_refs'))
|
|
|
|
destroy_device_state = classmethod(destroy_device_state)
|