From nobody Sat Nov 15 17:21:18 2025 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=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1748865017; cv=none; d=zohomail.com; s=zohoarc; b=HAxqLRuLP1ibwN00k3JcyyZfVnZ6UgTibe+X7qUZf7WS/Qli5RN9qI3W9UzHvsiOVUl7cOnSvgYhwO+8i3Ibu3J95hxbaotO1qKgfi1t7pIIY44VzeH61a0hfw8oW51RpipKyPv6ppvTTiLMnXKJ/XNa6s/eBzls/Pu4icR/Qc0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1748865017; h=Content-Type:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:Sender:Subject:Subject:To:To:Message-Id; bh=l7aCbAK4B1Ifiqd+MFR6iVZ7pajVgvoFwKSmSWrK9oo=; b=GwkMyYYwMLFtgECwuoNr1FbWx8j4sDWb6Nd3baXAptrS12y+CDYbR09aUJabFuZnnOwBGTInQtO61KLcpc8UgEH0zYJ8plRlA/6ItW7Mu8gIX5ghTZkh5BlKlYVxuN0d9hI6OL3TdWgoKAjh+utGjdIvHY1Z0E4R/tUe9VKel6E= 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=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1748865017310731.8048946367376; Mon, 2 Jun 2025 04:50:17 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uM3fG-0008JQ-QI; Mon, 02 Jun 2025 07:49:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uM3fD-0008In-W8; Mon, 02 Jun 2025 07:49:12 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uM3f7-0000ky-Nq; Mon, 02 Jun 2025 07:49:11 -0400 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4b9sYb5Mtpz6GFWg; Mon, 2 Jun 2025 19:48:35 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id D3DDD14027A; Mon, 2 Jun 2025 19:48:45 +0800 (CST) Received: from A2303104131.china.huawei.com (10.203.177.241) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 2 Jun 2025 13:48:41 +0200 To: , CC: , , , , Subject: [PATCH] hw/arm/virt: Check bypass iommu is not set for iommu-map DT property Date: Mon, 2 Jun 2025 12:46:55 +0100 Message-ID: <20250602114655.42920-1-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.203.177.241] X-ClientProxiedBy: kwepems500002.china.huawei.com (7.221.188.17) To frapeml500008.china.huawei.com (7.182.85.71) X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) 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=185.176.79.56; envelope-from=shameerali.kolothum.thodi@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) AC_FROM_MANY_DOTS=0.914, BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Shameer Kolothum From: Shameer Kolothum via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1748865018327116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" default_bus_bypass_iommu tells us whether the bypass_iommu is set for the default PCIe root bus. Make sure we check that before adding the "iommu-map" DT property. Fixes: 6d7a85483a06 ("hw/arm/virt: Add default_bus_bypass_iommu machine opt= ion") Suggested-by: Eric Auger Signed-off-by: Shameer Kolothum Reviewed-by: Donald Dutile Reviewed-by: Eric Auger --- hw/arm/virt.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 9a6cd085a3..99fde5836c 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1487,9 +1487,12 @@ static void create_virtio_iommu_dt_bindings(VirtMach= ineState *vms) qemu_fdt_setprop_cell(ms->fdt, node, "phandle", vms->iommu_phandle); g_free(node); =20 - qemu_fdt_setprop_cells(ms->fdt, vms->pciehb_nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, bdf, - bdf + 1, vms->iommu_phandle, bdf + 1, 0xffff - = bdf); + if (!vms->default_bus_bypass_iommu) { + qemu_fdt_setprop_cells(ms->fdt, vms->pciehb_nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, bdf, + bdf + 1, vms->iommu_phandle, bdf + 1, + 0xffff - bdf); + } } =20 static void create_pcie(VirtMachineState *vms) @@ -1612,8 +1615,10 @@ static void create_pcie(VirtMachineState *vms) switch (vms->iommu) { case VIRT_IOMMU_SMMUV3: create_smmu(vms, vms->bus); - qemu_fdt_setprop_cells(ms->fdt, nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, 0x10000); + if (!vms->default_bus_bypass_iommu) { + qemu_fdt_setprop_cells(ms->fdt, nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, 0x100= 00); + } break; default: g_assert_not_reached(); --=20 2.34.1