From patchwork Thu May 28 21:39:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Kagan X-Patchwork-Id: 1300086 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) 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=yandex-team.ru Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=yandex-team.ru header.i=@yandex-team.ru header.a=rsa-sha256 header.s=default header.b=kVYWGWsN; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 49Y1Rn1jCvz9sRK for ; Fri, 29 May 2020 07:44:05 +1000 (AEST) Received: from localhost ([::1]:48542 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jeQJl-0006O4-Pc for incoming@patchwork.ozlabs.org; Thu, 28 May 2020 17:44:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32944) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jeQGO-0001NI-G1; Thu, 28 May 2020 17:40:32 -0400 Received: from forwardcorp1j.mail.yandex.net ([5.45.199.163]:35704) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jeQGM-0000uZ-Vg; Thu, 28 May 2020 17:40:31 -0400 Received: from mxbackcorp1g.mail.yandex.net (mxbackcorp1g.mail.yandex.net [IPv6:2a02:6b8:0:1402::301]) by forwardcorp1j.mail.yandex.net (Yandex) with ESMTP id 679A02E0E4D; Fri, 29 May 2020 00:40:28 +0300 (MSK) Received: from vla5-58875c36c028.qloud-c.yandex.net (vla5-58875c36c028.qloud-c.yandex.net [2a02:6b8:c18:340b:0:640:5887:5c36]) by mxbackcorp1g.mail.yandex.net (mxbackcorp/Yandex) with ESMTP id PNbNuCHaNu-eMICwYct; Fri, 29 May 2020 00:40:28 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1590702028; bh=5RSCVs6L6zfegAd6aySYoeQzRtcXoc5ATSUz8Gh7fPk=; h=In-Reply-To:Message-Id:References:Date:Subject:To:From:Cc; b=kVYWGWsNParhYuG6ULSCFMbhl+gxJT6H8x1ZAyazb5XsNyFSE+XPP7uOEihSqQzUh s/6GsoCcf7GOlwuidJS7mwQ7ckF7WyaHiWOwi6qsOFo8xEhwJQkl9yA/L1hOmAQljZ 76CeB5+6F8X6R6RrQssMuyLtdgMHC9f2LhsTUVXo= Authentication-Results: mxbackcorp1g.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from dynamic-vpn.dhcp.yndx.net (dynamic-vpn.dhcp.yndx.net [2a02:6b8:b081:1318::1:10]) by vla5-58875c36c028.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id KqoauPPys3-eLXqFHpn; Fri, 29 May 2020 00:40:22 +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 v7 5/8] qdev-properties: make blocksize accept size suffixes Date: Fri, 29 May 2020 00:39:43 +0300 Message-Id: <20200528213946.1636444-6-rvkagan@yandex-team.ru> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200528213946.1636444-1-rvkagan@yandex-team.ru> References: <20200528213946.1636444-1-rvkagan@yandex-team.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=5.45.199.163; envelope-from=rvkagan@yandex-team.ru; helo=forwardcorp1j.mail.yandex.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/28 17:40:21 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, 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?q?=C3=A9?= , Eduardo Habkost , qemu-block@nongnu.org, Paul Durrant , "Michael S. Tsirkin" , Laurent Vivier , Max Reitz , Anthony Perard , Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini , Keith Busch , xen-devel@lists.xenproject.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , John Snow Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" It appears convenient to be able to specify physical_block_size and logical_block_size using common size suffixes. Teach the blocksize property setter to interpret them. Also express the upper and lower limits in the respective units. Signed-off-by: Roman Kagan Reviewed-by: Eric Blake --- v6 -> v7: - split out into separate patch [Eric] hw/core/qdev-properties.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index d943755832..a79062b428 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -14,6 +14,7 @@ #include "qapi/visitor.h" #include "chardev/char.h" #include "qemu/uuid.h" +#include "qemu/units.h" void qdev_prop_set_after_realize(DeviceState *dev, const char *name, Error **errp) @@ -771,17 +772,18 @@ const PropertyInfo qdev_prop_size32 = { /* lower limit is sector size */ #define MIN_BLOCK_SIZE 512 -#define MIN_BLOCK_SIZE_STR stringify(MIN_BLOCK_SIZE) +#define MIN_BLOCK_SIZE_STR "512 B" /* 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) +#define MAX_BLOCK_SIZE (32 * KiB) +#define MAX_BLOCK_SIZE_STR "32 KiB" static void set_blocksize(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop); + uint16_t *ptr = qdev_get_prop_ptr(dev, prop); + uint64_t value; Error *local_err = NULL; if (dev->realized) { @@ -789,7 +791,7 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, return; } - visit_type_uint16(v, name, &value, &local_err); + visit_type_size(v, name, &value, &local_err); if (local_err) { error_propagate(errp, local_err); return; @@ -797,7 +799,7 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, /* value of 0 means "unset" */ if (value && (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE)) { error_setg(errp, - "Property %s.%s doesn't take value %" PRIu16 + "Property %s.%s doesn't take value %" PRIu64 " (minimum: " MIN_BLOCK_SIZE_STR ", maximum: " MAX_BLOCK_SIZE_STR ")", dev->id ? : "", name, value); @@ -816,7 +818,7 @@ static void set_blocksize(Object *obj, Visitor *v, const char *name, } const PropertyInfo qdev_prop_blocksize = { - .name = "uint16", + .name = "size", .description = "A power of two between " MIN_BLOCK_SIZE_STR " and " MAX_BLOCK_SIZE_STR, .get = get_uint16,