From nobody Mon Feb 9 03:13:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 163342162456599.24655310445019; Tue, 5 Oct 2021 01:13:44 -0700 (PDT) Received: from localhost ([::1]:51280 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mXfa0-0001Cp-3F for importer@patchew.org; Tue, 05 Oct 2021 04:13:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44652) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXfQN-0001OH-KG for qemu-devel@nongnu.org; Tue, 05 Oct 2021 04:03:43 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38912) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXfOQ-0000ga-Vh for qemu-devel@nongnu.org; Tue, 05 Oct 2021 04:03:43 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-249-3n0Ca3GJNV2wOfpmIftxPA-1; Tue, 05 Oct 2021 04:01:39 -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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 58D4F100D681; Tue, 5 Oct 2021 08:01:38 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.114]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8051460BF4; Tue, 5 Oct 2021 08:01:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633420902; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fd9E2vlOyKFfCTOowmisLiSg73kL7/5ysAUnJgM/Zb4=; b=RcfGrwLDqBvLL7AFXuE9ZFlyEdNf5yEmhdPswFCrJei8Cq/LpDZERi2OH0DL9zaOrsh0Sg mGTEApcSaT5/qCg7/fc8QGQ4HjP+lEppxUlrkSStx1huPmsl/inbl8m4bUa7PBo0A/mvgj jiFx+COan4qzEP4NUyvH8RqAmqVr5l8= X-MC-Unique: 3n0Ca3GJNV2wOfpmIftxPA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [PATCH 1/3] vdpa: Skip protected ram IOMMU mappings Date: Tue, 5 Oct 2021 10:01:29 +0200 Message-Id: <20211005080131.408506-2-eperezma@redhat.com> In-Reply-To: <20211005080131.408506-1-eperezma@redhat.com> References: <20211005080131.408506-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eperezma@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=216.205.24.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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: Parav Pandit , "Michael S. Tsirkin" , Jason Wang , virtualization@lists.linux-foundation.org, Stefan Hajnoczi , Eli Cohen , Stefano Garzarella Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1633421625219100001 Following the logic of commit 56918a126ae ("memory: Add RAM_PROTECTED flag to skip IOMMU mappings") with VFIO, skip memory sections inaccessible via normal mechanisms, including DMA. Signed-off-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-vdpa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 47d7a5a23d..ea1aa71ad8 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -28,6 +28,7 @@ static bool vhost_vdpa_listener_skipped_section(MemoryReg= ionSection *section) { return (!memory_region_is_ram(section->mr) && !memory_region_is_iommu(section->mr)) || + memory_region_is_protected(section->mr) || /* vhost-vDPA doesn't allow MMIO to be mapped */ memory_region_is_ram_device(section->mr) || /* --=20 2.27.0