qemu-e2k/tests/qemu-iotests/266

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#!/usr/bin/env python3
#
# Test VPC and file image creation
#
# Copyright (C) 2019 Red Hat, Inc.
#
# 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, see <http://www.gnu.org/licenses/>.
#
import iotests
from iotests import imgfmt
# Successful image creation (defaults)
def implicit_defaults(vm, file_path):
iotests.log("=== Successful image creation (defaults) ===")
iotests.log("")
# 8 heads, 964 cyls/head, 17 secs/cyl
# (Close to 64 MB)
size = 8 * 964 * 17 * 512
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': size })
# Successful image creation (explicit defaults)
def explicit_defaults(vm, file_path):
iotests.log("=== Successful image creation (explicit defaults) ===")
iotests.log("")
# 16 heads, 964 cyls/head, 17 secs/cyl
# (Close to 128 MB)
size = 16 * 964 * 17 * 512
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': size,
'subformat': 'dynamic',
'force-size': False })
# Successful image creation (non-default options)
def non_defaults(vm, file_path):
iotests.log("=== Successful image creation (non-default options) ===")
iotests.log("")
# Not representable in CHS (fine with force-size=True)
size = 1048576
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': size,
'subformat': 'fixed',
'force-size': True })
# Size not representable in CHS with force-size=False
def non_chs_size_without_force(vm, file_path):
iotests.log("=== Size not representable in CHS ===")
iotests.log("")
# Not representable in CHS (will not work with force-size=False)
size = 1048576
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': size,
'force-size': False })
# Zero size
def zero_size(vm, file_path):
iotests.log("=== Zero size===")
iotests.log("")
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': 0 })
# Maximum CHS size
def maximum_chs_size(vm, file_path):
iotests.log("=== Maximum CHS size===")
iotests.log("")
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': 16 * 65535 * 255 * 512 })
# Actual maximum size
def maximum_size(vm, file_path):
iotests.log("=== Actual maximum size===")
iotests.log("")
vm.blockdev_create({ 'driver': imgfmt,
'file': 'protocol-node',
'size': 0xff000000 * 512,
'force-size': True })
def main():
for test_func in [implicit_defaults, explicit_defaults, non_defaults,
non_chs_size_without_force, zero_size, maximum_chs_size,
maximum_size]:
with iotests.FilePath('t.vpc') as file_path, \
iotests.VM() as vm:
vm.launch()
iotests.log('--- Creating empty file ---')
vm.blockdev_create({ 'driver': 'file',
'filename': file_path,
'size': 0 })
vm.qmp_log('blockdev-add', driver='file', filename=file_path,
node_name='protocol-node',
filters=[iotests.filter_qmp_testfiles])
iotests.log('')
print_info = test_func(vm, file_path)
iotests.log('')
vm.shutdown()
iotests.img_info_log(file_path)
iotests.script_main(main,
supported_fmts=['vpc'],
supported_protocols=['file'])