From nobody Sat Feb 7 06:39:45 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 149242890597316.223511210363995; Mon, 17 Apr 2017 04:35:05 -0700 (PDT) Received: from localhost ([::1]:35998 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d04vv-0002nV-Dc for importer@patchew.org; Mon, 17 Apr 2017 07:35:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50537) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d04uG-0001i0-Ev for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d04uF-0003qC-Mk for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52130) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d04uF-0003pk-Gd for qemu-devel@nongnu.org; Mon, 17 Apr 2017 07:33:19 -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 7A5628F28E; Mon, 17 Apr 2017 11:33:18 +0000 (UTC) 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 26CD6176A8; Mon, 17 Apr 2017 11:33:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7A5628F28E Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=peterx@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 7A5628F28E From: Peter Xu To: qemu-devel@nongnu.org Date: Mon, 17 Apr 2017 19:32:08 +0800 Message-Id: <1492428730-13438-6-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 [10.5.110.27]); Mon, 17 Apr 2017 11:33:18 +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 5/7] 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 , "Michael S . Tsirkin" , Jason Wang , peterx@redhat.com, Marcel Apfelbaum , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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; } =20 +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 =3D 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: --=20 2.7.4