88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
# prepboot.py
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# Format class for PPC PReP Boot.
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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# Red Hat Author(s): Dave Lehman <dlehman@redhat.com>
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#
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from ..errors import *
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from . import DeviceFormat, register_device_format
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from parted import PARTITION_PREP
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import os
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import logging
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log = logging.getLogger("storage")
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class PPCPRePBoot(DeviceFormat):
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""" Generic device format. """
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_type = "prepboot"
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_name = "PPC PReP Boot"
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_udevTypes = []
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partedFlag = PARTITION_PREP
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_formattable = True # can be formatted
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_linuxNative = True # for clearpart
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_maxSize = 10 # maximum size in MB
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_minSize = 4 # minimum size in MB
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def __init__(self, *args, **kwargs):
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""" Create a PRePBoot instance.
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Keyword Arguments:
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device -- path to the underlying device
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exists -- indicates whether this is an existing format
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"""
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DeviceFormat.__init__(self, *args, **kwargs)
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def create(self, *args, **kwargs):
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if self.exists:
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raise FSError("PReP Boot format already exists")
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DeviceFormat.create(self, *args, **kwargs)
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try:
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fd = os.open(self.device, os.O_RDWR)
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length = os.lseek(fd, 0, os.SEEK_END)
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os.lseek(fd, 0, os.SEEK_SET)
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buf = '\0' * 1024 * 1024
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while length > 0:
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if length >= len(buf):
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os.write(fd, buf)
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length -= len(buf)
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else:
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buf = '0' * length
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os.write(fd, buf)
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length = 0
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os.close(fd)
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except OSError as e:
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log.error("error zeroing out %s: %s" % (self.device, e))
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if fd:
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os.close(fd)
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@property
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def status(self):
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return False
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@property
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def supported(self):
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from pyanaconda import platform
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return isinstance(platform.getPlatform(), platform.IPSeriesPPC)
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register_device_format(PPCPRePBoot)
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