blob: 6d5d581c8847f4e13d057c9e60ca9a4eab85d97d [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 find the logic block size for this device
sysfs_path = os.path.join('/sys', 'block', device,
'queue', 'logical_block_size')
return int(utils.read_one_line(sysfs_path))
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 = []
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:
errmsg = ('%s is %d bytes, expected %d' %
(p, psize, ROOTFS_SIZE))
# If self.error is not zero, there were errors.
if errors:
raise error.TestFail('There were %d partition errors: %s' %
(len(errors), ': '.join(errors)))