mirror of
https://github.com/virt-manager/virt-manager.git
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123 lines
4.2 KiB
Python
123 lines
4.2 KiB
Python
#
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# Copyright 2009, 2013 Red Hat, Inc.
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# Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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from .device import VirtualDevice
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from .nodedev import NodeDevice
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from .xmlbuilder import XMLProperty
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class VirtualHostDevice(VirtualDevice):
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virtual_device_type = VirtualDevice.VIRTUAL_DEV_HOSTDEV
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def set_from_nodedev(self, nodedev, use_full_usb=None):
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"""
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@use_full_usb: If set, and nodedev is USB, specify both
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vendor and product. Used if user requests bus/add on virt-install
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command line, or if virt-manager detects a dup USB device
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and we need to differentiate
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"""
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if nodedev.device_type == NodeDevice.CAPABILITY_TYPE_PCI:
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self.type = "pci"
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self.domain = nodedev.domain
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self.bus = nodedev.bus
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self.slot = nodedev.slot
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self.function = nodedev.function
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elif nodedev.device_type == NodeDevice.CAPABILITY_TYPE_USBDEV:
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self.type = "usb"
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self.vendor = nodedev.vendor_id
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self.product = nodedev.product_id
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if use_full_usb:
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self.bus = nodedev.bus
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self.device = nodedev.device
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elif nodedev.device_type == nodedev.CAPABILITY_TYPE_NET:
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founddev = None
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for checkdev in self.conn.fetch_all_nodedevs():
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if checkdev.name == nodedev.parent:
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founddev = checkdev
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break
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self.set_from_nodedev(founddev, use_full_usb=use_full_usb)
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else:
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raise ValueError("Unknown node device type %s" % nodedev)
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def pretty_name(self):
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def dehex(val):
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if val.startswith("0x"):
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val = val[2:]
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return val
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def safeint(val, fmt="%.3d"):
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try:
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int(val)
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except:
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return str(val)
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return fmt % int(val)
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label = self.type.upper()
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if self.vendor and self.product:
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label += " %s:%s" % (dehex(self.vendor), dehex(self.product))
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elif self.bus and self.device:
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label += " %s:%s" % (safeint(self.bus), safeint(self.device))
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elif self.bus and self.slot and self.function and self.domain:
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label += (" %s:%s:%s.%s" %
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(dehex(self.domain), dehex(self.bus),
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dehex(self.slot), dehex(self.function)))
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return label
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_XML_PROP_ORDER = ["mode", "type", "managed", "vendor", "product",
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"domain", "bus", "slot", "function"]
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mode = XMLProperty("./@mode", default_cb=lambda s: "subsystem")
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type = XMLProperty("./@type")
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def _get_default_managed(self):
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return self.conn.is_xen() and "no" or "yes"
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managed = XMLProperty("./@managed", is_yesno=True,
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default_cb=_get_default_managed)
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vendor = XMLProperty("./source/vendor/@id")
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product = XMLProperty("./source/product/@id")
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device = XMLProperty("./source/address/@device")
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bus = XMLProperty("./source/address/@bus")
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def _get_default_domain(self):
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if self.type == "pci":
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return "0x0"
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return None
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domain = XMLProperty("./source/address/@domain",
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default_cb=_get_default_domain)
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function = XMLProperty("./source/address/@function")
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slot = XMLProperty("./source/address/@slot")
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driver_name = XMLProperty("./driver/@name")
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rom_bar = XMLProperty("./rom/@bar", is_onoff=True)
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VirtualHostDevice.register_type()
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