From patchwork Wed May 27 12:45:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Kagan X-Patchwork-Id: 281825 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 95688C433E0 for ; Wed, 27 May 2020 12:46:48 +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 560EC207CB for ; Wed, 27 May 2020 12:46:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=yandex-team.ru header.i=@yandex-team.ru header.b="WYnlLphK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 560EC207CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yandex-team.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33074 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jdvSJ-0001iZ-D5 for qemu-devel@archiver.kernel.org; Wed, 27 May 2020 08:46:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52980) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdvRD-0008S2-7S; Wed, 27 May 2020 08:45:39 -0400 Received: from forwardcorp1j.mail.yandex.net ([2a02:6b8:0:1619::183]:50708) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdvRB-0001cY-Lo; Wed, 27 May 2020 08:45:38 -0400 Received: from mxbackcorp1o.mail.yandex.net (mxbackcorp1o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::301]) by forwardcorp1j.mail.yandex.net (Yandex) with ESMTP id BD9702E156F; Wed, 27 May 2020 15:45:33 +0300 (MSK) Received: from iva4-7c3d9abce76c.qloud-c.yandex.net (iva4-7c3d9abce76c.qloud-c.yandex.net [2a02:6b8:c0c:4e8e:0:640:7c3d:9abc]) by mxbackcorp1o.mail.yandex.net (mxbackcorp/Yandex) with ESMTP id RSC1xPiAcU-jSxK4aYo; Wed, 27 May 2020 15:45:33 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1590583533; bh=A0YhPbFgXOi7Ibarq6sWTVZlCf7rqVdJcWDX7rNnVYU=; h=In-Reply-To:Message-Id:References:Date:Subject:To:From:Cc; b=WYnlLphKioMSFrz8oFbRygNduQl/bL8tD6c/NiJkHcDsYzLrYS1UyEnm0fIViPBRC /i9nB2GRviU/5H+9Xcv960vEViNd1mWl+0a99WkYzXHvzkDmt9FWAhM9XHz7hkxcjF P31LzMOyFKBdeJy8/Rew0UG3//wx5+hR5FCg/rl4= Authentication-Results: mxbackcorp1o.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from dynamic-vpn.dhcp.yndx.net (dynamic-vpn.dhcp.yndx.net [2a02:6b8:b080:8308::1:12]) by iva4-7c3d9abce76c.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id bzO5qPtczO-jSWO478g; Wed, 27 May 2020 15:45:28 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) From: Roman Kagan To: qemu-devel@nongnu.org Subject: [PATCH v6 3/5] qdev-properties: blocksize: use same limits in code and description Date: Wed, 27 May 2020 15:45:09 +0300 Message-Id: <20200527124511.986099-4-rvkagan@yandex-team.ru> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200527124511.986099-1-rvkagan@yandex-team.ru> References: <20200527124511.986099-1-rvkagan@yandex-team.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=2a02:6b8:0:1619::183; envelope-from=rvkagan@yandex-team.ru; helo=forwardcorp1j.mail.yandex.net X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Kevin Wolf , Fam Zheng , Stefano Stabellini , =?utf-8?q?Daniel_P=2E_Berrang?= =?utf-8?b?w6k=?= , Eduardo Habkost , qemu-block@nongnu.org, Paul Durrant , "Michael S. Tsirkin" , Laurent Vivier , Max Reitz , John Snow , Keith Busch , Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini , Anthony Perard , xen-devel@lists.xenproject.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Make it easier (more visible) to maintain the limits on the blocksize properties in sync with the respective description, by using macros both in the code and in the description. Signed-off-by: Roman Kagan --- v4 -> v5: - split out into separate patch [Philippe] hw/core/qdev-properties.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index cc924815da..249dc69bd8 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -729,6 +729,13 @@ const PropertyInfo qdev_prop_pci_devfn = { /* --- blocksize --- */ +/* lower limit is sector size */ +#define MIN_BLOCK_SIZE 512 +#define MIN_BLOCK_SIZE_STR stringify(MIN_BLOCK_SIZE) +/* upper limit is the max power of 2 that fits in uint16_t */ +#define MAX_BLOCK_SIZE 32768 +#define MAX_BLOCK_SIZE_STR stringify(MAX_BLOCK_SIZE) + static void set_blocksize(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { @@ -736,8 +743,6 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, Property *prop = opaque; uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop); Error *local_err = NULL; - const int64_t min = 512; - const int64_t max = 32768; if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -750,9 +755,12 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, return; } /* value of 0 means "unset" */ - if (value && (value < min || value > max)) { - error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, - dev->id ? : "", name, (int64_t)value, min, max); + if (value && (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE)) { + error_setg(errp, + "Property %s.%s doesn't take value %" PRIu16 + " (minimum: " MIN_BLOCK_SIZE_STR + ", maximum: " MAX_BLOCK_SIZE_STR ")", + dev->id ? : "", name, value); return; } @@ -769,7 +777,8 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, const PropertyInfo qdev_prop_blocksize = { .name = "uint16", - .description = "A power of two between 512 and 32768", + .description = "A power of two between " MIN_BLOCK_SIZE_STR + " and " MAX_BLOCK_SIZE_STR, .get = get_uint16, .set = set_blocksize, .set_default_value = set_default_value_uint,