core-admin/templates/libvirt/xen.xml

<domain type="xen">
    {% block basic %}
        <name>{{ vm.name }}</name>
        <uuid>{{ vm.uuid }}</uuid>
        <memory unit="MiB">{{ vm.maxmem }}</memory>
        <currentMemory unit="MiB">{{ vm.memory }}</currentMemory>
        <vcpu placement="static">{{ vm.vcpus }}</vcpu>
    {% endblock %}
    <os>
        {% block os %}
            {% if vm.hvm %}
                <type arch="x86_64" machine="xenfv">hvm</type>
                <loader>hvmloader</loader>
                <boot dev="cdrom" />
                <boot dev="hd" />
            <!-- server_ip is the address of stubdomain. It hosts it's own DNS server. -->
            {% else %}
                <type arch="x86_64" machine="xenpv">linux</type>
                <kernel>{{ vm.storage.kernels_dir }}/vmlinuz</kernel>
                <initrd>{{ vm.storage.kernels_dir }}/initramfs</initrd>
                <cmdline>root=/dev/mapper/dmroot ro nomodeset console=hvc0 rd_NO_PLYMOUTH rd.plymouth.enable=0 plymouth.enable=0 {{ vm.kernelopts }}</cmdline>
            {% endif %}
        {% endblock %}
    </os>

    <features>
        {% block features %}
            {% if vm.hvm %}
                <pae/>
                <acpi/>
                <apic/>
                <viridian/>
            {% endif %}

            {% if vm.devices['pci'].persistent() | list
                    and vm.features.get('pci-e820-host', True) %}
                <xen>
                    <e820_host state="on"/>
                </xen>
            {% endif %}
        {% endblock %}
    </features>

    {% block clock %}
        {% if vm.hvm %}
            {% set timezone = vm.features.check_with_template('timezone', 'localtime').lower() %}
            {% if timezone == 'localtime' %}
                <clock offset="variable" adjustment="0" basis="localtime" />
            {% elif timezone.isdigit() %}
                <clock offset="variable" adjustment="{{ timezone }}" basis="UTC" />
            {% else %}
                <clock offset="variable" adjustment="0" basis="UTC" />
            {% endif %}
        {% else %}
            <clock offset='utc' adjustment='reset'>
                <timer name="tsc" mode="native"/>
            </clock>
        {% endif %}
    {% endblock %}

    {% block on %}
        <on_poweroff>destroy</on_poweroff>
        <on_reboot>destroy</on_reboot>
        <on_crash>destroy</on_crash>
    {% endblock %}

    <devices>
        {% block devices %}
            {% set i = 0 %}
            {# TODO Allow more volumes out of the box #}
            {% set dd = ['e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
                'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y']
            %}
            {% for device in vm.block_devices %}
                <disk type="block" device="{{ device.devtype }}">
                    <driver name="phy" />
                    <source dev="{{ device.path }}" />
                    {% if device.name == 'root' %}
                        <target dev="xvda" />
                    {% elif device.name == 'private' %}
                        <target dev="xvdb" />
                    {% elif device.name == 'volatile' %}
                        <target dev="xvdc" />
                    {% elif device.name == 'kernel' %}
                        <target dev="xvdd" />
                    {% else %}
                        <target dev="xvd{{dd[i]}}" />
                        {% set i = i + 1 %}
                    {% endif %}

                    {% if not device.rw %}
                        <readonly />
                    {% endif %}

                    {% if device.domain %}
                        <backenddomain name="{{ domain }}" />
                    {% endif %}

                    {% if device.script %}
                        <script path="{{ device.script }}" />
                    {% endif %}
                </disk>
            {% endfor %}

            {# start external devices from xvdi #}
            {% set i = 4 %}
            {% for assignment in vm.devices.block.assignments(True) %}
                {% set device = assignment.device %}
                {% set options = assignment.options %}
                {% include 'libvirt/devices/block.xml' %}
            {% endfor %}

            {% if vm.netvm %}
                {% include 'libvirt/devices/net.xml' with context %}
            {% endif %}

            {% for assignment in vm.devices.pci.assignments(True) %}
                {% set device = assignment.device %}
                {% set options = assignment.options %}
                {% include 'libvirt/devices/pci.xml' %}
            {% endfor %}

            {% if vm.hvm %}
                <emulator
                    {% if vm.features.check_with_template('linux-stubdom', True) %}
                        type="stubdom-linux"
                    {% else %}
                        type="stubdom"
                    {% endif %}
                    {% if vm.netvm and not
                        vm.features.check_with_template('linux-stubdom', True) %}
                        cmdline="-net lwip,client_ip={{ vm.ip -}}
                            ,server_ip={{ vm.dns[1] -}}
                            ,dns={{ vm.netvm.gateway -}}
                            ,gw={{ vm.netvm.gateway -}}
                            ,netmask={{ vm.netmask }}"
                    {% endif %}
                    {% if vm.stubdom_mem %}
                        memory="{{ vm.stubdom_mem * 1024 -}}"
                    {% endif %}
                    />
                <input type="tablet" bus="usb"/>
                {% if vm.features.check_with_template('linux-stubdom', True) %}
                    <video type="cirrus"/>
                {% else %}
                    <video type="vga"/>
                {% endif %}
                {% if vm.features.check_with_template('linux-stubdom', True) %}
                    {# TODO only add qubes gui if gui-agent is not installed in HVM #}
                    <graphics type="qubes"/>
                {% endif %}
            {% else %}
                <console type="pty">
                    <target type="xen" port="0"/>
                </console>
            {% endif %}
        {% endblock %}
    </devices>
</domain>
 
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