68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
#
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# Copyright 2011, 2013 Red Hat, Inc.
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# Cole Robinson <crobinso@redhat.com>
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# Marc-Andre Lureau <marcandre.lureau@redhat.com>
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#
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# Copyright 2013 IBM Corporation
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# Author: Stefan Berger <stefanb@linux.vnet.ibm.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 .xmlbuilder import XMLProperty
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class VirtualTPMDevice(VirtualDevice):
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virtual_device_type = VirtualDevice.VIRTUAL_DEV_TPM
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TYPE_PASSTHROUGH = "passthrough"
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TYPE_DEFAULT = "default"
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TYPES = [TYPE_PASSTHROUGH]
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MODEL_TIS = "tpm-tis"
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MODEL_DEFAULT = "default"
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MODELS = [MODEL_TIS]
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@staticmethod
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def get_pretty_type(tpm_type):
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if tpm_type == VirtualTPMDevice.TYPE_PASSTHROUGH:
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return _("Passthrough device")
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return tpm_type
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def supports_property(self, propname):
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"""
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Whether the TPM dev type supports the passed property name
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"""
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users = {
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"device_path" : [self.TYPE_PASSTHROUGH],
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}
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if users.get(propname):
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return self.type in users[propname]
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return hasattr(self, propname)
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type = XMLProperty("./backend/@type",
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default_cb=lambda s: s.TYPE_PASSTHROUGH)
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model = XMLProperty("./@model",
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default_cb=lambda s: s.MODEL_TIS)
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device_path = XMLProperty("./backend/device/@path",
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default_cb=lambda s: "/dev/tpm0")
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VirtualTPMDevice.register_type()
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