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#
# Copyright 2009, 2013 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import re
from ..logger import log
from .device import Device
from ..nodedev import NodeDevice
from ..xmlbuilder import XMLProperty
class DeviceHostdev(Device):
XML_NAME = "hostdev"
def set_from_nodedev(self, nodedev):
log.debug("set_from_nodedev xml=\n%s", nodedev.get_xml())
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
count = 0
for dev in self.conn.fetch_all_nodedevs():
if (dev.device_type == NodeDevice.CAPABILITY_TYPE_USBDEV and
dev.vendor_id == self.vendor and
dev.product_id == self.product):
count += 1
if count > 1:
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)
elif nodedev.device_type == nodedev.CAPABILITY_TYPE_SCSIDEV:
self.type = "scsi"
self.scsi_adapter = "scsi_host%s" % nodedev.host
self.scsi_bus = nodedev.bus
self.scsi_target = nodedev.target
self.scsi_unit = nodedev.lun
self.managed = False
elif nodedev.device_type == nodedev.CAPABILITY_TYPE_MDEV:
self.type = "mdev"
if nodedev.type_id == "vfio_ccw-io":
self.model = "vfio-ccw"
self.managed = "no"
elif nodedev.type_id == "vfio_ap-passthrough":
self.model = "vfio-ap"
self.managed = "no"
elif (re.match("^nvidia-[0-9]{2}", nodedev.type_id) or
re.match("^i915-GVTg_V[0-9]_[0-9]", nodedev.type_id)):
self.model = "vfio-pci"
self.managed = "yes"
self.display = "off"
self.ramfb = "off"
else:
raise ValueError( # pragma: no cover
_("Don't know how to generate nodedev for mdev type id '%s'") %
nodedev.type_id)
self.uuid = nodedev.get_mdev_uuid()
else:
raise ValueError(_("Unsupported node device type '%s'") %
nodedev.device_type)
_XML_PROP_ORDER = ["mode", "type", "managed", "vendor", "product",
"domain", "bus", "slot", "function", "model",
"display", "ramfb"]
mode = XMLProperty("./@mode")
type = XMLProperty("./@type")
managed = XMLProperty("./@managed", is_yesno=True)
model = XMLProperty("./@model")
display = XMLProperty("./@display")
ramfb = XMLProperty("./@ramfb")
vendor = XMLProperty("./source/vendor/@id")
product = XMLProperty("./source/product/@id")
device = XMLProperty("./source/address/@device")
bus = XMLProperty("./source/address/@bus")
domain = XMLProperty("./source/address/@domain")
function = XMLProperty("./source/address/@function")
slot = XMLProperty("./source/address/@slot")
driver_name = XMLProperty("./driver/@name")
rom_bar = XMLProperty("./rom/@bar", is_onoff=True)
# type=scsi handling
scsi_adapter = XMLProperty("./source/adapter/@name")
scsi_bus = XMLProperty("./source/address/@bus", is_int=True)
scsi_target = XMLProperty("./source/address/@target", is_int=True)
scsi_unit = XMLProperty("./source/address/@unit", is_int=True)
# type=net handling
net_interface = XMLProperty("./source/interface")
# type=misc handling
misc_char = XMLProperty("./source/char")
# type=misc handling
storage_block = XMLProperty("./source/block")
# type=mdev
uuid = XMLProperty("./source/address/@uuid")
##################
# Default config #
##################
def set_defaults(self, guest):
if self.managed is None:
self.managed = self.conn.is_xen() and "no" or "yes"
if not self.mode:
self.mode = "subsystem"
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