From patchwork Fri May 10 16:43:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Qiang X-Patchwork-Id: 10939245 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15C1392A for ; Fri, 10 May 2019 16:45:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0548528372 for ; Fri, 10 May 2019 16:45:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ED5CB28CC5; Fri, 10 May 2019 16:45:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 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 mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7E3E728372 for ; Fri, 10 May 2019 16:45:26 +0000 (UTC) Received: from localhost ([127.0.0.1]:46674 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8eD-0005qJ-Ju for patchwork-qemu-devel@patchwork.kernel.org; Fri, 10 May 2019 12:45:25 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47329) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8cz-0004ap-Oa for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hP8cx-0002TZ-Qa for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:09 -0400 Received: from m12-13.163.com ([220.181.12.13]:46005) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8cu-0002Qe-3W for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=TAkAEQslBT4X+Y5eAh 5OCFU79u6ALGBYynB4L5pLfks=; b=atMpWE9NfCa8GoiKHkpZLj3h32797ZQ9sW 6agk9hgaE/9EmqvsxVGa2INuti9qYWMxKEoB3KF2WECkLxW+hFR0r8BlooLusLDr QiJxntXA75xFnCi9m2hg1ijoaJFBx4sD4NEa+4ufoHZCpMKO1Z2cPgl3IWNXj0UH icba3fSGQ= Received: from localhost.localdomain (unknown [183.159.64.133]) by smtp9 (Coremail) with SMTP id DcCowAB3fTFLqtVcVYWnCg--.3399S3; Sat, 11 May 2019 00:44:00 +0800 (CST) From: Li Qiang To: pbonzini@redhat.com, jslaby@suse.cz Date: Fri, 10 May 2019 09:43:47 -0700 Message-Id: <20190510164349.81507-2-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190510164349.81507-1-liq3ea@163.com> References: <20190510164349.81507-1-liq3ea@163.com> X-CM-TRANSID: DcCowAB3fTFLqtVcVYWnCg--.3399S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrZF4xJFWUXF4UurW3Kr4rKrg_yoW3urg_Jw 1xGFZ7urW5Wry3AF9YqF13ur1xW3yrAFn5uFnagr4fJa4rCF98Z3sagrnxXw47Gw1fCwn5 ZaykZFy5Kr9rWjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUUVMNUUUUUU== X-Originating-IP: [183.159.64.133] X-CM-SenderInfo: 5oltjvrd6rljoofrz/xtbBZhCwbVaD1aHioAAAsI X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.13 Subject: [Qemu-devel] [PATCH v4 1/3] edu: mmio: allow 64-bit access 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: liq3ea@gmail.com, philmd@redhat.com, qemu-devel@nongnu.org, Li Qiang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The edu spec says the MMIO area can be accessed by 64-bit. However currently the 'max_access_size' is not so the MMIO access dispatch can only access 32-bit one time. This patch fixes this to respect the spec. Signed-off-by: Li Qiang Reviewed-by: Philippe Mathieu-Daude --- 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 = { .read = edu_mmio_read, .write = edu_mmio_write, .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 8, + }, + .impl = { + .min_access_size = 4, + .max_access_size = 8, + }, + }; /*