From patchwork Thu Jul 30 14:15:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Shinkevich X-Patchwork-Id: 277256 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9BBEC433DF for ; Thu, 30 Jul 2020 14:20:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ADCF820829 for ; Thu, 30 Jul 2020 14:20:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADCF820829 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53530 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k19QN-0007JB-Ri for qemu-devel@archiver.kernel.org; Thu, 30 Jul 2020 10:20:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54194) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k19LD-00057M-0m; Thu, 30 Jul 2020 10:15:27 -0400 Received: from relay.sw.ru ([185.231.240.75]:44446 helo=relay3.sw.ru) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k19L4-00052d-Mw; Thu, 30 Jul 2020 10:15:26 -0400 Received: from [172.16.25.136] (helo=localhost.sw.ru) by relay3.sw.ru with esmtp (Exim 4.93) (envelope-from ) id 1k19Km-0004Cz-Ou; Thu, 30 Jul 2020 17:15:00 +0300 From: Andrey Shinkevich To: qemu-block@nongnu.org Subject: [PATCH v12 04/11] qcow2_format.py: dump bitmap flags in human readable way. Date: Thu, 30 Jul 2020 17:15:05 +0300 Message-Id: <1596118512-424960-5-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1596118512-424960-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1596118512-424960-1-git-send-email-andrey.shinkevich@virtuozzo.com> Received-SPF: pass client-ip=185.231.240.75; envelope-from=andrey.shinkevich@virtuozzo.com; helo=relay3.sw.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/30 10:15:15 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, qemu-devel@nongnu.org, mreitz@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Introduce the class BitmapFlags that parses a bitmap flags mask. Suggested-by: Vladimir Sementsov-Ogievskiy Signed-off-by: Andrey Shinkevich Reviewed-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/qcow2_format.py | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py index d4a9974..b447344 100644 --- a/tests/qemu-iotests/qcow2_format.py +++ b/tests/qemu-iotests/qcow2_format.py @@ -40,6 +40,22 @@ class Flags64(Qcow2Field): return str(bits) +class BitmapFlags(Qcow2Field): + + flags = { + 0x1: 'in-use', + 0x2: 'auto' + } + + def __str__(self): + bits = [] + for bit in range(64): + flag = self.value & (1 << bit) + if flag: + bits.append(self.flags.get(flag, f'bit-{bit}')) + return f'{self.value:#x} ({bits})' + + class Enum(Qcow2Field): def __str__(self):