blob: e3787393823ffd6f82bdae22db3441edb9a4a6d5 [file] [log] [blame]
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
import stat
from autotest_lib.client.bin import utils, test
from autotest_lib.client.common_lib import error
ROOTFS_SIZE = 2 * 1024 * 1024 * 1024
class platform_PartitionCheck(test.test):
Verify partition size is correct.
version = 1
def get_block_size(self, device):
Check the block size of a block device.
device: string, name of the block device.
int, size of block in bytes.
# Construct a pathname to the various files we care about.
sysfs_path = os.path.join('/sys', 'block', device, 'queue')
sector_file = os.path.join(sysfs_path, 'hw_sector_size')
logical_file = os.path.join(sysfs_path, 'logical_block_size')
physical_file = os.path.join(sysfs_path, 'physical_block_size')
sector_size = int(utils.read_one_line(sector_file))
logical_size = int(utils.read_one_line(logical_file))
physical_size = int(utils.read_one_line(physical_file))
self.assert_(logical_size == physical_size, (
'Warning %s and %s are not equal' % (logical_file, physical_file)))
self.assert_(sector_size == physical_size, (
'Warning %s and %s are not equal' % (sector_file, physical_file)))
return sector_size
def get_partition_size(self, device, partition):
Get the number of blocks in the partition.
partition: string, partition name
int, number of blocks
part_file = os.path.join('/sys', 'block', device, partition, 'size')
part_blocks = int(utils.read_one_line(part_file))
return part_blocks
def run_once(self):
errors = 0
cpu_type = utils.get_cpu_arch()
if cpu_type == 'arm':
device = 'mmcblk0'
partitions = ['mmcblk0p3', 'mmcblk0p5']
device = 'sda'
partitions = ['sda3', 'sda5']
block_size = self.get_block_size(device)
for p in partitions:
pblocks = self.get_partition_size(device, p)
psize = pblocks * block_size
if psize != ROOTFS_SIZE:
logging.warn('%s is %d bytes' % (p, psize))
errors += 1
# If self.error is not zero, there were errors.
if errors > 0:
raise error.TestFail('There were %d partition errors' % errors)