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 X-Spam-Level: X-Spam-Status: No, score=-15.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57B30C433F5 for ; Thu, 9 Sep 2021 18:51:00 +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 D7A9C610FF for ; Thu, 9 Sep 2021 18:50:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D7A9C610FF 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]:45454 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mOP8U-0005Bi-UF for qemu-devel@archiver.kernel.org; Thu, 09 Sep 2021 14:50:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55484) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOP4W-0002NJ-JT for qemu-devel@nongnu.org; Thu, 09 Sep 2021 14:46:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:39896) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOP4T-0005ts-QP for qemu-devel@nongnu.org; Thu, 09 Sep 2021 14:46:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631213208; 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=0pzbBYCWqbgRW+ufRHz+MM4Oqg466o5liD9bply3WTM=; b=hk2KUXtai3dGY3q2f+FQjSPlhOz7mjoB6KChoeopUMPE2JtkX3SMqp2OCl0mvBNuJMd0vY KhbIjB/X2Szt03uv9BMYydWh4+AJINX8PhvSTriwQkpM/HphCwYNl8ADfzIAkZhP5SIQu6 VagWFccEzEKW/mXWS8d8jAlZAwTCFNA= 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-250-C_EXj8nOOXekSgqTKAXzYA-1; Thu, 09 Sep 2021 14:46:44 -0400 X-MC-Unique: C_EXj8nOOXekSgqTKAXzYA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C1F44A0CAC; Thu, 9 Sep 2021 18:46:43 +0000 (UTC) Received: from redhat.com (ovpn-112-181.phx2.redhat.com [10.3.112.181]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ADCE05C1C5; Thu, 9 Sep 2021 18:46:39 +0000 (UTC) Date: Thu, 9 Sep 2021 13:46:37 -0500 From: Eric Blake To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Subject: Re: [RFC PATCH 02/10] accel: Use qemu_security_policy_taint(), mark KVM and Xen as safe Message-ID: <20210909184637.pmb6mo26ss6ldnoa@redhat.com> References: <20210908232024.2399215-1-philmd@redhat.com> <20210908232024.2399215-3-philmd@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210908232024.2399215-3-philmd@redhat.com> User-Agent: NeoMutt/20210205-739-420e15 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.393, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Peter Maydell , Thomas Huth , Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= , Prasad J Pandit , qemu-block@nongnu.org, "Michael S. Tsirkin" , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Richard Henderson , Markus Armbruster , qemu-devel@nongnu.org, xen-devel@lists.xenproject.org, Paolo Bonzini , Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Sep 09, 2021 at 01:20:16AM +0200, Philippe Mathieu-Daudé wrote: > Add the AccelClass::secure_policy_supported field to classify > safe (within security boundary) vs unsafe accelerators. > > Signed-off-by: Philippe Mathieu-Daudé > --- > include/qemu/accel.h | 5 +++++ > accel/kvm/kvm-all.c | 1 + > accel/xen/xen-all.c | 1 + > softmmu/vl.c | 3 +++ > 4 files changed, 10 insertions(+) > > diff --git a/include/qemu/accel.h b/include/qemu/accel.h > index 4f4c283f6fc..895e30be0de 100644 > --- a/include/qemu/accel.h > +++ b/include/qemu/accel.h > @@ -44,6 +44,11 @@ typedef struct AccelClass { > hwaddr start_addr, hwaddr size); > #endif > bool *allowed; > + /* > + * Whether the accelerator is withing QEMU security policy boundary. within > + * See: https://www.qemu.org/contribute/security-process/ > + */ > + bool secure_policy_supported; > /* > * Array of global properties that would be applied when specific > * accelerator is chosen. It works like MachineClass.compat_props -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org