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Dir : ~/usr/share/virt-manager/virtinst/domain/
View File Name : features.py

#
# Copyright 2010, 2013 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.

from ..xmlbuilder import XMLBuilder, XMLProperty


class DomainFeatures(XMLBuilder):
    """
    Class for generating <features> XML
    """
    XML_NAME = "features"
    _XML_PROP_ORDER = ["acpi", "apic", "pae", "gic_version"]

    acpi = XMLProperty("./acpi", is_bool=True)
    apic = XMLProperty("./apic", is_bool=True)
    pae = XMLProperty("./pae", is_bool=True)
    gic_version = XMLProperty("./gic/@version")

    hap = XMLProperty("./hap", is_bool=True)
    viridian = XMLProperty("./viridian", is_bool=True)
    privnet = XMLProperty("./privnet", is_bool=True)

    pmu = XMLProperty("./pmu/@state", is_onoff=True)
    eoi = XMLProperty("./apic/@eoi", is_onoff=True)

    hyperv_reset = XMLProperty("./hyperv/reset/@state", is_onoff=True)
    hyperv_vapic = XMLProperty("./hyperv/vapic/@state", is_onoff=True)
    hyperv_relaxed = XMLProperty("./hyperv/relaxed/@state", is_onoff=True)
    hyperv_spinlocks = XMLProperty("./hyperv/spinlocks/@state", is_onoff=True)
    hyperv_spinlocks_retries = XMLProperty("./hyperv/spinlocks/@retries",
                                           is_int=True)
    hyperv_synic = XMLProperty("./hyperv/synic/@state", is_onoff=True)

    vmport = XMLProperty("./vmport/@state", is_onoff=True)
    kvm_hidden = XMLProperty("./kvm/hidden/@state", is_onoff=True)
    kvm_hint_dedicated = XMLProperty("./kvm/hint-dedicated/@state", is_onoff=True)
    pvspinlock = XMLProperty("./pvspinlock/@state", is_onoff=True)

    smm = XMLProperty("./smm/@state", is_onoff=True)
    vmcoreinfo = XMLProperty("./vmcoreinfo/@state", is_onoff=True)
    ioapic_driver = XMLProperty("./ioapic/@driver")


    ##################
    # Default config #
    ##################

    def set_defaults(self, guest):
        if guest.os.is_container():
            self.acpi = None
            self.apic = None
            self.pae = None
            if guest.is_full_os_container() and guest.type != "vz":
                self.privnet = True
            return

        if not guest.os.is_hvm():
            return

        capsinfo = guest.lookup_capsinfo()
        if self._prop_is_unset("acpi"):
            self.acpi = capsinfo.guest.supports_acpi()
        if self._prop_is_unset("apic"):
            self.apic = capsinfo.guest.supports_apic()
        if self._prop_is_unset("pae"):
            if (guest.os.is_hvm() and
                guest.type == "xen" and
                guest.os.arch == "x86_64"):
                self.pae = True
            else:
                self.pae = capsinfo.guest.supports_pae()

        if (guest.hyperv_supported() and
            self.conn.support.conn_hyperv_vapic()):
            if self.hyperv_relaxed is None:
                self.hyperv_relaxed = True
            if self.hyperv_vapic is None:
                self.hyperv_vapic = True
            if self.hyperv_spinlocks is None:
                self.hyperv_spinlocks = True
            if self.hyperv_spinlocks_retries is None:
                self.hyperv_spinlocks_retries = 8191