From patchwork Wed May 10 08:01:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 9719389 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 5DA9E601E7 for ; Wed, 10 May 2017 08:04:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4ED032654B for ; Wed, 10 May 2017 08:04:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 43D38284E4; Wed, 10 May 2017 08:04:51 +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 CC8A62654B for ; Wed, 10 May 2017 08:04:50 +0000 (UTC) Received: from localhost ([::1]:40996 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8Mc5-0006hI-M4 for patchwork-qemu-devel@patchwork.kernel.org; Wed, 10 May 2017 04:04:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57786) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8MaK-0006Ke-0M for qemu-devel@nongnu.org; Wed, 10 May 2017 04:03:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d8MaI-0001Ks-SX for qemu-devel@nongnu.org; Wed, 10 May 2017 04:03:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58286) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d8MaI-0001Ki-Ma for qemu-devel@nongnu.org; Wed, 10 May 2017 04:02:58 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 929A44E4C5; Wed, 10 May 2017 08:02:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 929A44E4C5 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=peterx@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 929A44E4C5 Received: from pxdev.xzpeter.org.com (vpn1-5-83.pek2.redhat.com [10.72.5.83]) by smtp.corp.redhat.com (Postfix) with ESMTP id 43B2C17B05; Wed, 10 May 2017 08:02:53 +0000 (UTC) From: Peter Xu To: qemu-devel@nongnu.org Date: Wed, 10 May 2017 16:01:50 +0800 Message-Id: <1494403315-12760-8-git-send-email-peterx@redhat.com> In-Reply-To: <1494403315-12760-1-git-send-email-peterx@redhat.com> References: <1494403315-12760-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 10 May 2017 08:02:57 +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 v3 07/12] intel_iommu: provide vtd_ce_get_type() 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 , yi.l.liu@intel.com, "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 Helper to fetch VT-d context entry type. Signed-off-by: Peter Xu --- hw/i386/intel_iommu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 4628f04..c8751ba 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -595,6 +595,11 @@ static inline uint32_t vtd_ce_get_agaw(VTDContextEntry *ce) return 30 + (ce->hi & VTD_CONTEXT_ENTRY_AW) * 9; } +static inline uint32_t vtd_ce_get_type(VTDContextEntry *ce) +{ + return ce->lo & VTD_CONTEXT_ENTRY_TT; +} + static inline uint64_t vtd_iova_limit(VTDContextEntry *ce) { uint32_t ce_agaw = vtd_ce_get_agaw(ce); @@ -865,7 +870,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num, trace_vtd_ce_invalid(ce->hi, ce->lo); return -VTD_FR_CONTEXT_ENTRY_INV; } else { - switch (ce->lo & VTD_CONTEXT_ENTRY_TT) { + switch (vtd_ce_get_type(ce)) { case VTD_CONTEXT_TT_MULTI_LEVEL: /* fall through */ case VTD_CONTEXT_TT_DEV_IOTLB: