From patchwork Tue Feb 5 20:14:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Shinkevich X-Patchwork-Id: 1037187 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43vGVc2sHgz9s4Z for ; Wed, 6 Feb 2019 07:33:11 +1100 (AEDT) Received: from localhost ([127.0.0.1]:40434 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr7Oz-0004ML-6F for incoming@patchwork.ozlabs.org; Tue, 05 Feb 2019 15:33:05 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46577) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr77N-0007yy-VC for qemu-devel@nongnu.org; Tue, 05 Feb 2019 15:14:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gr77L-0001hu-Jo for qemu-devel@nongnu.org; Tue, 05 Feb 2019 15:14:53 -0500 Received: from relay.sw.ru ([185.231.240.75]:52766) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gr77G-0001c6-5r; Tue, 05 Feb 2019 15:14:48 -0500 Received: from [172.16.25.136] (helo=localhost.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1gr776-0005Zd-Mr; Tue, 05 Feb 2019 23:14:36 +0300 From: Andrey Shinkevich To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Tue, 5 Feb 2019 23:14:35 +0300 Message-Id: <1549397675-189741-4-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1549397675-189741-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1549397675-189741-1-git-send-email-andrey.shinkevich@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v12 3/3] qcow2: list of bitmaps new test 242 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, armbru@redhat.com, mreitz@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" A new test file 242 added to the qemu-iotests set. It checks the format of qcow2 specific information for the new added section that lists details of bitmaps. Signed-off-by: Andrey Shinkevich Reviewed-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/242 | 100 +++++++++++++++++++++++++++ tests/qemu-iotests/242.out | 167 +++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 268 insertions(+) create mode 100755 tests/qemu-iotests/242 create mode 100644 tests/qemu-iotests/242.out diff --git a/tests/qemu-iotests/242 b/tests/qemu-iotests/242 new file mode 100755 index 0000000..95c1f18 --- /dev/null +++ b/tests/qemu-iotests/242 @@ -0,0 +1,100 @@ +#!/usr/bin/env python +# +# Test for qcow2 bitmap printed information +# +# Copyright (c) 2019 Virtuozzo International GmbH +# +# 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 . +# + +import iotests +import json +from iotests import qemu_img_create, qemu_io, qemu_img_pipe, \ + file_path, img_info_log, log, filter_qemu_io + +iotests.verify_image_format(supported_fmts=['qcow2']) + +disk = file_path('disk') +chunk = 256*1024 +bitmap_flag_unknown = 1 << 2 +flag_offset = 0x10002f + + +def print_bitmap(extra_args): + log('qemu-img info dump:\n') + img_info_log(disk, extra_args=extra_args) + result = json.loads(qemu_img_pipe('info', '--force-share', + '--output=json', disk)) + if 'bitmaps' in result['format-specific']['data']: + bitmaps = result['format-specific']['data']['bitmaps'] + log('The same bitmaps in JSON format:') + log(bitmaps, indent=2) + else: + log('No bitmap in JSON format output') + + +def add_bitmap(bitmap_number, persistent, disabled): + granularity = 2**(13 + bitmap_number) + bitmap_name = 'bitmap-' + str(bitmap_number-1) + vm = iotests.VM().add_drive(disk) + vm.launch() + vm.qmp_log('block-dirty-bitmap-add', node='drive0', name=bitmap_name, + granularity=granularity, persistent=persistent, + disabled=disabled) + vm.shutdown() + + +def write_to_disk(offset, size): + write = 'write {} {}'.format(offset, size) + log(qemu_io('-c', write, disk), filters=[filter_qemu_io]) + + +def toggle_flag(offset): + f = open(disk, "r+b") + f.seek(offset, 0) + c = f.read(1) + toggled = chr(ord(c) ^ bitmap_flag_unknown) + f.seek(-1, 1) + f.write(toggled) + f.close() + + +qemu_img_create('-f', iotests.imgfmt, disk, '1M') + +for num in range(1, 4): + disabled = False + if num == 2: + disabled = True + log('Test {}'.format(num)) + add_bitmap(num, num > 1, disabled) + write_to_disk((num-1) * chunk, chunk) + print_bitmap([]) + log('') + +vm = iotests.VM().add_drive(disk) +vm.launch() +num += 1 +log('Test {}\nChecking "in-use" flag...'.format(num)) +print_bitmap(['--force-share']) +vm.shutdown() + +num += 1 +log('\nTest {}\nWrite bitmap flag \'{}\' into the QCOW2 image at offset {}' + .format(num, hex(bitmap_flag_unknown), flag_offset)) +toggle_flag(flag_offset) +img_info_log(disk) +toggle_flag(flag_offset) +log('Unset the unknown bitmap flag \'{}\' in the bitmap directory entry:\n' + .format(hex(bitmap_flag_unknown))) +img_info_log(disk) diff --git a/tests/qemu-iotests/242.out b/tests/qemu-iotests/242.out new file mode 100644 index 0000000..cf2b310 --- /dev/null +++ b/tests/qemu-iotests/242.out @@ -0,0 +1,167 @@ +Test 1 +{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name": "bitmap-0", "node": "drive0", "persistent": false}} +{"return": {}} +wrote 262144/262144 bytes at offset 0 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +qemu-img info dump: + +image: TEST_IMG +file format: IMGFMT +virtual size: 1.0M (1048576 bytes) +cluster_size: 65536 +Format specific information: + compat: 1.1 + lazy refcounts: false + refcount bits: 16 + corrupt: false + +No bitmap in JSON format output + +Test 2 +{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": true, "granularity": 32768, "name": "bitmap-1", "node": "drive0", "persistent": true}} +{"return": {}} +wrote 262144/262144 bytes at offset 262144 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +qemu-img info dump: + +image: TEST_IMG +file format: IMGFMT +virtual size: 1.0M (1048576 bytes) +cluster_size: 65536 +Format specific information: + compat: 1.1 + lazy refcounts: false + bitmaps: + [0]: + flags: + name: bitmap-1 + granularity: 32768 + refcount bits: 16 + corrupt: false + +The same bitmaps in JSON format: +[ + { + "flags": [], + "granularity": 32768, + "name": "bitmap-1" + } +] + +Test 3 +{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 65536, "name": "bitmap-2", "node": "drive0", "persistent": true}} +{"return": {}} +wrote 262144/262144 bytes at offset 524288 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +qemu-img info dump: + +image: TEST_IMG +file format: IMGFMT +virtual size: 1.0M (1048576 bytes) +cluster_size: 65536 +Format specific information: + compat: 1.1 + lazy refcounts: false + bitmaps: + [0]: + flags: + name: bitmap-1 + granularity: 32768 + [1]: + flags: + [0]: auto + name: bitmap-2 + granularity: 65536 + refcount bits: 16 + corrupt: false + +The same bitmaps in JSON format: +[ + { + "flags": [], + "granularity": 32768, + "name": "bitmap-1" + }, + { + "flags": [ + "auto" + ], + "granularity": 65536, + "name": "bitmap-2" + } +] + +Test 4 +Checking "in-use" flag... +qemu-img info dump: + +image: TEST_IMG +file format: IMGFMT +virtual size: 1.0M (1048576 bytes) +cluster_size: 65536 +Format specific information: + compat: 1.1 + lazy refcounts: false + bitmaps: + [0]: + flags: + [0]: in-use + name: bitmap-1 + granularity: 32768 + [1]: + flags: + [0]: in-use + [1]: auto + name: bitmap-2 + granularity: 65536 + refcount bits: 16 + corrupt: false + +The same bitmaps in JSON format: +[ + { + "flags": [ + "in-use" + ], + "granularity": 32768, + "name": "bitmap-1" + }, + { + "flags": [ + "in-use", + "auto" + ], + "granularity": 65536, + "name": "bitmap-2" + } +] + +Test 5 +Write bitmap flag '0x4' into the QCOW2 image at offset 1048623 +qemu-img: Could not open 'TEST_IMG': Bitmap 'bitmap-2' doesn't satisfy the constraints + +Unset the unknown bitmap flag '0x4' in the bitmap directory entry: + +image: TEST_IMG +file format: IMGFMT +virtual size: 1.0M (1048576 bytes) +cluster_size: 65536 +Format specific information: + compat: 1.1 + lazy refcounts: false + bitmaps: + [0]: + flags: + name: bitmap-1 + granularity: 32768 + [1]: + flags: + [0]: auto + name: bitmap-2 + granularity: 65536 + refcount bits: 16 + corrupt: false + diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 0f1c3f9..32acdd7 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -235,3 +235,4 @@ 235 auto quick 236 auto quick 238 auto quick +242 rw auto quick