From nobody Sat Feb 7 09:03:53 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 1495164262880832.6199881751489; Thu, 18 May 2017 20:24:22 -0700 (PDT) Received: from localhost ([::1]:56370 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBYWb-0001Qz-IQ for importer@patchew.org; Thu, 18 May 2017 23:24:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35435) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBYT8-0006zD-IO for qemu-devel@nongnu.org; Thu, 18 May 2017 23:20:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dBYT4-0005bQ-KE for qemu-devel@nongnu.org; Thu, 18 May 2017 23:20:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41192) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dBYT4-0005b9-Db for qemu-devel@nongnu.org; Thu, 18 May 2017 23:20:42 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 63E7E80F97; Fri, 19 May 2017 03:20:41 +0000 (UTC) Received: from pxdev.xzpeter.org.com (ovpn-12-101.pek2.redhat.com [10.72.12.101]) by smtp.corp.redhat.com (Postfix) with ESMTP id 250E1784C2; Fri, 19 May 2017 03:20:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 63E7E80F97 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 63E7E80F97 From: Peter Xu To: qemu-devel@nongnu.org Date: Fri, 19 May 2017 11:19:44 +0800 Message-Id: <1495163989-9994-6-git-send-email-peterx@redhat.com> In-Reply-To: <1495163989-9994-1-git-send-email-peterx@redhat.com> References: <1495163989-9994-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 19 May 2017 03:20:41 +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 v4 05/10] 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+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 f06055f..b477143 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