From patchwork Mon Apr 17 11:32:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 9683741 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B91EE602C2 for ; Mon, 17 Apr 2017 11:36:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF88022638 for ; Mon, 17 Apr 2017 11:36:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A37A2269E2; Mon, 17 Apr 2017 11:36:23 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 269222624A for ; Mon, 17 Apr 2017 11:36:23 +0000 (UTC) Received: from localhost ([::1]:36010 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d04xC-0003IF-AV for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Apr 2017 07:36:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50593) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d04uQ-0001ob-AV for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d04uP-0003wH-Gb for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41836) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d04uP-0003vo-As for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:29 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 49BDBC04B936; Mon, 17 Apr 2017 11:33:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 49BDBC04B936 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=peterx@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 49BDBC04B936 Received: from pxdev.xzpeter.org.com (ovpn-8-29.pek2.redhat.com [10.72.8.29]) by smtp.corp.redhat.com (Postfix) with ESMTP id 617C97DFCF; Mon, 17 Apr 2017 11:33:19 +0000 (UTC) From: Peter Xu To: qemu-devel@nongnu.org Date: Mon, 17 Apr 2017 19:32:09 +0800 Message-Id: <1492428730-13438-7-git-send-email-peterx@redhat.com> In-Reply-To: <1492428730-13438-1-git-send-email-peterx@redhat.com> References: <1492428730-13438-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 17 Apr 2017 11:33:28 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 6/7] intel_iommu: use IOMMU_ACCESS_FLAG() 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: Lan Tianyu , "Michael S . Tsirkin" , Jason Wang , peterx@redhat.com, Marcel Apfelbaum , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We have that now, so why not use it. Signed-off-by: Peter Xu --- hw/i386/intel_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index c8751ba..05ae631 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -1010,7 +1010,7 @@ out: entry->iova = addr & page_mask; entry->translated_addr = vtd_get_slpte_addr(slpte) & page_mask; entry->addr_mask = ~page_mask; - entry->perm = (writes ? 2 : 0) + (reads ? 1 : 0); + entry->perm = IOMMU_ACCESS_FLAG(reads, writes); } static void vtd_root_table_setup(IntelIOMMUState *s)