From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 225B8C433FE for ; Tue, 5 Oct 2021 08:07:43 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B0EAB610EA for ; Tue, 5 Oct 2021 08:07:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B0EAB610EA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:42560 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mXfUD-0003KH-Ir for qemu-devel@archiver.kernel.org; Tue, 05 Oct 2021 04:07:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44650) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXfQN-0001OF-KY 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]:21597) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXfOP-0000gN-W1 for qemu-devel@nongnu.org; Tue, 05 Oct 2021 04:03:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633420898; 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; bh=xBmfbX2Z7ElPNe4Nl1YqLqrIDobQBvqxlq9N6lwVgGA=; b=hbx/E75VPJEiAXQVcElANaz9hi5HJrewreru3TTpfKHdODyR0v+24RyPs5jQ3k8hym43yM WYMtvjEQJfBzINmUGP+B3qvHLd47zjx6TMwKf7ANHJpU8JdRJJ5FtQzlKfa/RGoRCpP+gl JIhrlJTLQBpmDmVm+J7iLuHNjFHBiv8= 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-123-6iUuxDs5McSRKD9nPOXTfg-1; Tue, 05 Oct 2021 04:01:37 -0400 X-MC-Unique: 6iUuxDs5McSRKD9nPOXTfg-1 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 2CB4C10151E2; Tue, 5 Oct 2021 08:01:36 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.114]) by smtp.corp.redhat.com (Postfix) with ESMTP id 482F260BF4; Tue, 5 Oct 2021 08:01:34 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [PATCH 0/3] vdpa: Check iova range on memory regions ops Date: Tue, 5 Oct 2021 10:01:28 +0200 Message-Id: <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 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" At this moment vdpa will not send memory regions bigger than 1<<63.=0D However, actual iova range could be way more restrictive than that.=0D =0D Since we can obtain the range through vdpa ioctl call, just save it=0D from the beginning of the operation and check against it.=0D =0D Eugenio P=C3=A9rez (3):=0D vdpa: Skip protected ram IOMMU mappings=0D vdpa: Add vhost_vdpa_section_end=0D vdpa: Check for iova range at mappings changes=0D =0D include/hw/virtio/vhost-vdpa.h | 2 +=0D hw/virtio/vhost-vdpa.c | 83 +++++++++++++++++++++++++---------=0D hw/virtio/trace-events | 1 +=0D 3 files changed, 65 insertions(+), 21 deletions(-)=0D =0D --=20=0D 2.27.0=0D =0D