core-admin/dom0/qvm-tools/qvm-pci
2011-07-09 23:48:55 +02:00

94 lines
3.0 KiB
Python
Executable File

#!/usr/bin/python2.6
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010 Marek Marczykowski <marmarek@mimuw.edu.pl>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#
from qubes.qubes import QubesVmCollection
from optparse import OptionParser
import subprocess
import os
def main():
usage = "usage: %prog -l [options] <vm-name>\n"\
"usage: %prog -a [options] <vm-name> <device>\n"\
"usage: %prog -d [options] <vm-name> <device>\n"\
"List/set VM PCI devices."
parser = OptionParser (usage)
parser.add_option ("-l", "--list", action="store_true", dest="do_list", default=False)
parser.add_option ("-a", "--add", action="store_true", dest="do_add", default=False)
parser.add_option ("-d", "--delete", action="store_true", dest="do_delete", default=False)
(options, args) = parser.parse_args ()
if (len (args) < 1):
parser.error ("You must provide at least the vmname!")
vmname = args[0]
if options.do_list + options.do_add + options.do_delete > 1:
print "Only one of -l -a -d is allowed!"
exit (1)
if options.do_add or options.do_delete:
qvm_collection = QubesVmCollection()
qvm_collection.lock_db_for_writing()
qvm_collection.load()
else:
qvm_collection = QubesVmCollection()
qvm_collection.lock_db_for_reading()
qvm_collection.load()
qvm_collection.unlock_db()
vm = qvm_collection.get_vm_by_name(vmname)
if vm is None or vm.qid not in qvm_collection:
print "A VM with the name '{0}' does not exist in the system.".format(vmname)
exit(1)
if options.do_add:
if len (args) < 2:
print "You must specify the PCI device to add"
exit (1)
pci = args[1]
if not os.path.exists('/sys/bus/pci/devices/0000:%s' % pci):
print "Invalid PCI device: %s" % pci
exit(1)
if vm.pcidevs.count(pci) == 0:
vm.pcidevs.append(pci)
qvm_collection.save()
qvm_collection.unlock_db()
elif options.do_delete:
if len (args) < 2:
print "You must specify the PCI device to delete"
exit (1)
pci = args[1]
if vm.pcidevs.count(pci) > 0:
vm.pcidevs.remove(pci)
qvm_collection.save()
qvm_collection.unlock_db()
else:
# do_list
print str(vm.pcidevs)
main()