From nobody Mon Feb 9 11:06:16 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=163.com ARC-Seal: i=1; a=rsa-sha256; t=1555776337; cv=none; d=zoho.com; s=zohoarc; b=WZww04VH/itvdcGikbc6LKrphYb6NSf/pQiMiTC5cC9EW7nW2qp/DUzvO23gUSA2fRwfkRJLDrgjTUd1js1fJY3fFMuBSbLAlzr5PD8wVAEz5Vyp6b/9V1VhaLtNMaFphH5yI7uaJMYtTU2iWUKX1aAAFiOnvVChGzZazFOQUnU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555776337; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=iRFD+zpf5l7TX1uoBr2sBdhb6Xv5dDZq2CEa09rVSBg=; b=mq3EuglDuT4qqMnaFGo26OHWzubNVVsyWXWRoMlrOOnKnly7ynqrFb7ucT3BMLMNr5V4YoN4J8j3CqTuL1mNI+uaFlalMMEvpO68dtSxWdiTdgmsy0xkc9308f8tYtCUxbnovbOj+GJ/dZPoh9tVPxrkqnLCdzr7hKOwHnWXr6w= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555776337594678.8012507370282; Sat, 20 Apr 2019 09:05:37 -0700 (PDT) Received: from localhost ([127.0.0.1]:42910 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHsUg-0001JP-F1 for importer@patchew.org; Sat, 20 Apr 2019 12:05:34 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54876) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHsPL-0005wh-Ce for qemu-devel@nongnu.org; Sat, 20 Apr 2019 12:00:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHsPK-0008Hy-Eb for qemu-devel@nongnu.org; Sat, 20 Apr 2019 12:00:03 -0400 Received: from m12-11.163.com ([220.181.12.11]:33987) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHsPI-0008Ef-5R for qemu-devel@nongnu.org; Sat, 20 Apr 2019 12:00:02 -0400 Received: from localhost.localdomain (unknown [183.159.69.175]) by smtp7 (Coremail) with SMTP id C8CowACX_I34QbtcELxpBQ--.29437S4; Sat, 20 Apr 2019 23:59:57 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=iRFD+zpf5l7TX1uoBr 2sBdhb6Xv5dDZq2CEa09rVSBg=; b=pmQVPwGu0D3ehnmkzB+0Z/Fouoj5iGXIjH oxpm+9nXmz8lgLhU+WeVh4+dtKI80ps5vaFjVAoSJvolkewfWFdLCUXz3BMhN0A2 q2hk1SxNQccnPXHUjVjDak4OOdFqdpP/NlLxo/0OAMnvNa5jbes3wJv1v3EEj8Rk X+dEItyKw= From: Li Qiang To: jslaby@suse.cz, pbonzini@redhat.com Date: Sat, 20 Apr 2019 08:59:48 -0700 Message-Id: <20190420155949.130968-3-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190420155949.130968-1-liq3ea@163.com> References: <20190420155949.130968-1-liq3ea@163.com> X-CM-TRANSID: C8CowACX_I34QbtcELxpBQ--.29437S4 X-Coremail-Antispam: 1Uf129KBjvdXoWruFyfZF15Wr4kKr43AF18Zrb_yoW3tFX_Xw 1xKFZ7GrW5XFyayF90q3W5uryxW3yrAF1rCrs3Gr43Ja4fGr98Z3s2qrnxXr47Gw47Kwn5 AaykZFy5trnFgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUbCzutUUUUU== X-Originating-IP: [183.159.69.175] X-CM-SenderInfo: 5oltjvrd6rljoofrz/xtbBax2cbVetu+co+QAAsw X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.11 Subject: [Qemu-devel] [PATCH v2 2/3] edu: mmio: set 'max_access_size' to 8 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: Li Qiang , liq3ea@gmail.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The edu spec said, the MMIO area can be accessed by 8 bytes. However currently the 'max_access_size' is not so the MMIO access dispatch can only access 4 bytes one time. This patch fixes this to respect the spec. Notice: here the 'min_access_size' is not a must, I set this for completement. Signed-off-by: Li Qiang --- hw/misc/edu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/misc/edu.c b/hw/misc/edu.c index 91af452c9e..65fc32b928 100644 --- a/hw/misc/edu.c +++ b/hw/misc/edu.c @@ -289,6 +289,15 @@ static const MemoryRegionOps edu_mmio_ops =3D { .read =3D edu_mmio_read, .write =3D edu_mmio_write, .endianness =3D DEVICE_NATIVE_ENDIAN, + .valid =3D { + .min_access_size =3D 4, + .max_access_size =3D 8, + }, + .impl =3D { + .min_access_size =3D 4, + .max_access_size =3D 8, + }, + }; =20 /* --=20 2.17.1