From nobody Mon Feb 9 11:51:25 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=huawei.com ARC-Seal: i=1; a=rsa-sha256; t=1618992580; cv=none; d=zohomail.com; s=zohoarc; b=OD27EIw4U2n+hMR7+H7Gc2Yicogm0bVwgEZVNszHHH4XEexvP0jjXXkh2Zl8Eyve/g20ymlHAQnv21V+pxklKupPDsx7qql1XAw80ILc1CErcS82imhS24lzpeQrZkhbl8IIODCZQFxJlKFW5XStmr7rjEGCV3sl0AdNi4q4JAc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618992580; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=IgkES0x0XqSgKMn9zj8yYIwWt9ECmRj4znnq23Oleyk=; b=LM+RRZrpLoJ6D45p+K2Ysj/eP4AB2/NdsNK8kUnnPmb/cnbaVUKlo7zCnc3H2X5qykpAmmlkyodUQcWPQAJdCORCy9/5a+LnDC7E+Dbv8UfUtL5e7xfNvrH9gdefb4Apl1nP0spF+1xn2m+chGaAWnPNRxCmOVhxgjJCwwYL3m4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1618992580514924.6017868094451; Wed, 21 Apr 2021 01:09:40 -0700 (PDT) Received: from localhost ([::1]:50164 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZ7vW-0006WN-1u for importer@patchew.org; Wed, 21 Apr 2021 04:09:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51884) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZ7ra-000197-Am; Wed, 21 Apr 2021 04:05:34 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:5019) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZ7rX-00028E-Pi; Wed, 21 Apr 2021 04:05:34 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FQCj65sBlztVWy; Wed, 21 Apr 2021 16:03:06 +0800 (CST) Received: from huawei.com (10.174.185.226) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Wed, 21 Apr 2021 16:05:18 +0800 From: Wang Xingang To: , , , , , , , , , , Subject: [PATCH RFC v3 8/8] hw/i386/acpi-build: Add bypass_iommu check when building IVRS table Date: Wed, 21 Apr 2021 08:05:03 +0000 Message-ID: <1618992303-19556-9-git-send-email-wangxingang5@huawei.com> X-Mailer: git-send-email 2.6.4.windows.1 In-Reply-To: <1618992303-19556-1-git-send-email-wangxingang5@huawei.com> References: <1618992303-19556-1-git-send-email-wangxingang5@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.185.226] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.191; envelope-from=wangxingang5@huawei.com; helo=szxga05-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: xieyingtai@huawei.com, cenjiahui@huawei.com, wangxingang5@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Xingang Wang When building IVRS table, only devices which go through iommu will be scanned, and the corresponding ivhd will be inserted. Signed-off-by: Xingang Wang Signed-off-by: Jiahui Cen --- hw/i386/acpi-build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fdb26682cb..71fb95737c 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2229,7 +2229,7 @@ ivrs_host_bridges(Object *obj, void *opaque) if (object_dynamic_cast(obj, TYPE_PCI_HOST_BRIDGE)) { PCIBus *bus =3D PCI_HOST_BRIDGE(obj)->bus; =20 - if (bus) { + if (bus && !pci_bus_bypass_iommu(bus)) { pci_for_each_device(bus, pci_bus_num(bus), insert_ivhd, ivhd_b= lob); } } --=20 2.19.1