From nobody Sat Nov 15 17:46:47 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=1748879040; cv=none; d=zohomail.com; s=zohoarc; b=IOH3UJ8GnsQakz8J59fZ7JttZwLENsr1pPxVdeLiCLTjqdNbhXvwJ6Ztd/rmRSA54PtOSnONSP++cLXC4k1GzMZ1RusaCpN1t2jvWHNBg/1x9oKG2cX5vczE61HbRHpaYvmUorQGuY0RCi7gxoQh+tcARf393MKnKNClpYVpqOs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1748879040; h=Content-Type:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=ckw8CXQULUSZ3qiI/INg/rbtUjwDTPrQ/I4GH6b6Fso=; b=ebXJcsrZCvVbM6xOF9uhdnmwL0+2oSS6L7hLTBe7+pOHc16NiEEkCGq6t328WCcJHviyZPQ6hc4U2Y6WEp0ClamP+ke4Gldcg9YFPoKbYshLDVztPwIAOMvKQT8XZTGEGXBWAi0Kn84L4KQT1tzt+Je3C092wBYis+kV6rQPGr8= 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 1748879040487326.18838317872246; Mon, 2 Jun 2025 08:44:00 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uM7Im-0002sy-IX; Mon, 02 Jun 2025 11:42:18 -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 1uM7Id-0002sL-WC; Mon, 02 Jun 2025 11:42:08 -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 1uM7Ic-0003Gx-Hm; Mon, 02 Jun 2025 11:42:07 -0400 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4b9yj82G4yz6HJcD; Mon, 2 Jun 2025 23:40:28 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id E63341402CB; Mon, 2 Jun 2025 23:41:55 +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 17:41:48 +0200 To: , CC: , , , , , , , , , , , , , Subject: [PATCH v3 1/6] hw/arm/smmuv3: Check SMMUv3 has PCIe Root Complex association Date: Mon, 2 Jun 2025 16:41:05 +0100 Message-ID: <20250602154110.48392-2-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20250602154110.48392-1-shameerali.kolothum.thodi@huawei.com> References: <20250602154110.48392-1-shameerali.kolothum.thodi@huawei.com> 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: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) 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: 1748879041677116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Although this change does not affect functionality at present, it is required when we add support for user-creatable SMMUv3 devices in future patches. Signed-off-by: Shameer Kolothum --- hw/arm/smmuv3.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index ab67972353..7e934336c2 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -24,6 +24,7 @@ #include "hw/qdev-properties.h" #include "hw/qdev-core.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bridge.h" #include "cpu.h" #include "exec/target_page.h" #include "trace.h" @@ -1881,6 +1882,13 @@ static void smmu_realize(DeviceState *d, Error **err= p) SMMUv3Class *c =3D ARM_SMMUV3_GET_CLASS(s); SysBusDevice *dev =3D SYS_BUS_DEVICE(d); Error *local_err =3D NULL; + Object *bus; + + bus =3D object_property_get_link(OBJECT(d), "primary-bus", &error_abor= t); + if (!bus || !object_dynamic_cast(bus->parent, TYPE_PCI_HOST_BRIDGE)) { + error_setg(errp, "SMMUv3 is not attached to any PCIe Root Complex!= "); + return; + } =20 c->parent_realize(d, &local_err); if (local_err) { --=20 2.34.1