1*bf654b37SAndrey Shinkevich#!/usr/bin/env python3 2*bf654b37SAndrey Shinkevich# 3*bf654b37SAndrey Shinkevich# Test for dumping of qcow2 image metadata 4*bf654b37SAndrey Shinkevich# 5*bf654b37SAndrey Shinkevich# Copyright (c) 2020 Virtuozzo International GmbH 6*bf654b37SAndrey Shinkevich# 7*bf654b37SAndrey Shinkevich# This program is free software; you can redistribute it and/or modify 8*bf654b37SAndrey Shinkevich# it under the terms of the GNU General Public License as published by 9*bf654b37SAndrey Shinkevich# the Free Software Foundation; either version 2 of the License, or 10*bf654b37SAndrey Shinkevich# (at your option) any later version. 11*bf654b37SAndrey Shinkevich# 12*bf654b37SAndrey Shinkevich# This program is distributed in the hope that it will be useful, 13*bf654b37SAndrey Shinkevich# but WITHOUT ANY WARRANTY; without even the implied warranty of 14*bf654b37SAndrey Shinkevich# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*bf654b37SAndrey Shinkevich# GNU General Public License for more details. 16*bf654b37SAndrey Shinkevich# 17*bf654b37SAndrey Shinkevich# You should have received a copy of the GNU General Public License 18*bf654b37SAndrey Shinkevich# along with this program. If not, see <http://www.gnu.org/licenses/>. 19*bf654b37SAndrey Shinkevich# 20*bf654b37SAndrey Shinkevich 21*bf654b37SAndrey Shinkevichimport iotests 22*bf654b37SAndrey Shinkevichimport subprocess 23*bf654b37SAndrey Shinkevichfrom iotests import qemu_img_create, qemu_io, file_path, log, filter_qemu_io 24*bf654b37SAndrey Shinkevich 25*bf654b37SAndrey Shinkevichiotests.script_initialize(supported_fmts=['qcow2']) 26*bf654b37SAndrey Shinkevich 27*bf654b37SAndrey Shinkevichdisk = file_path('disk') 28*bf654b37SAndrey Shinkevichchunk = 1024 * 1024 29*bf654b37SAndrey Shinkevich 30*bf654b37SAndrey Shinkevich 31*bf654b37SAndrey Shinkevichdef create_bitmap(bitmap_number, disabled): 32*bf654b37SAndrey Shinkevich granularity = 1 << (14 + bitmap_number) 33*bf654b37SAndrey Shinkevich bitmap_name = 'bitmap-' + str(bitmap_number) 34*bf654b37SAndrey Shinkevich args = ['bitmap', '--add', '-g', f'{granularity}', '-f', iotests.imgfmt, 35*bf654b37SAndrey Shinkevich disk, bitmap_name] 36*bf654b37SAndrey Shinkevich if disabled: 37*bf654b37SAndrey Shinkevich args.append('--disable') 38*bf654b37SAndrey Shinkevich 39*bf654b37SAndrey Shinkevich iotests.qemu_img_pipe(*args) 40*bf654b37SAndrey Shinkevich 41*bf654b37SAndrey Shinkevich 42*bf654b37SAndrey Shinkevichdef write_to_disk(offset, size): 43*bf654b37SAndrey Shinkevich write = f'write {offset} {size}' 44*bf654b37SAndrey Shinkevich log(qemu_io('-c', write, disk), filters=[filter_qemu_io]) 45*bf654b37SAndrey Shinkevich 46*bf654b37SAndrey Shinkevich 47*bf654b37SAndrey Shinkevichdef add_bitmap(num, begin, end, disabled): 48*bf654b37SAndrey Shinkevich log(f'Add bitmap {num}') 49*bf654b37SAndrey Shinkevich create_bitmap(num, disabled) 50*bf654b37SAndrey Shinkevich for i in range(begin, end): 51*bf654b37SAndrey Shinkevich write_to_disk((i) * chunk, chunk) 52*bf654b37SAndrey Shinkevich log('') 53*bf654b37SAndrey Shinkevich 54*bf654b37SAndrey Shinkevich 55*bf654b37SAndrey Shinkevichqemu_img_create('-f', iotests.imgfmt, disk, '10M') 56*bf654b37SAndrey Shinkevich 57*bf654b37SAndrey Shinkevichadd_bitmap(1, 0, 6, False) 58*bf654b37SAndrey Shinkevichadd_bitmap(2, 6, 8, True) 59*bf654b37SAndrey Shinkevichdump = ['qcow2.py', disk, 'dump-header'] 60*bf654b37SAndrey Shinkevichsubprocess.run(dump) 61