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=-13.6 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 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 96423C433E6 for ; Mon, 18 Jan 2021 08:05:54 +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 0F773223E8 for ; Mon, 18 Jan 2021 08:05:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F773223E8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44050 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l1PXs-0001Ub-PE for qemu-devel@archiver.kernel.org; Mon, 18 Jan 2021 03:05:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52082) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l1PWF-0000Uo-0B for qemu-devel@nongnu.org; Mon, 18 Jan 2021 03:04:12 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:59096) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l1PWB-0002Mo-4k for qemu-devel@nongnu.org; Mon, 18 Jan 2021 03:04:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610957046; 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: in-reply-to:in-reply-to:references:references; bh=SOIGD2G2ecJQm9UNfLUiX/V/JUlu/fKIPOOxEnfsWYw=; b=hwJ6zWyAzVAcm6QB9x3fFczxi6f/uNPcuTPJniaaf8OkIw5oOuUW9BpGVJJVYdKsUpNQj8 tqnA9zNQe+5XtYxxBVjgiWZawtkZ/r0D+4qA4zgJ1NVgmTN+Gkm49533R4EgW10z3dDPbI 6fWJlFuH8ToKvobJXbgPtDZaXROHim4= 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-547-kmAeKK5TOxWGEMqrOhLPiA-1; Mon, 18 Jan 2021 03:04:02 -0500 X-MC-Unique: kmAeKK5TOxWGEMqrOhLPiA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 72013801817; Mon, 18 Jan 2021 08:03:59 +0000 (UTC) Received: from gondolin (ovpn-114-2.ams2.redhat.com [10.36.114.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id ADCE460622; Mon, 18 Jan 2021 08:03:48 +0000 (UTC) Date: Mon, 18 Jan 2021 09:03:36 +0100 From: Cornelia Huck To: David Gibson Subject: Re: [PATCH v7 08/13] confidential guest support: Move SEV initialization into arch specific code Message-ID: <20210118090336.1e708346.cohuck@redhat.com> In-Reply-To: <20210118030308.GG2089552@yekko.fritz.box> References: <20210113235811.1909610-1-david@gibson.dropbear.id.au> <20210113235811.1909610-9-david@gibson.dropbear.id.au> <20210115142425.540b6126.cohuck@redhat.com> <20210118030308.GG2089552@yekko.fritz.box> Organization: Red Hat GmbH MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/WkEXjtwJyWPKs=NWbty5zOm"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Received-SPF: pass client-ip=216.205.24.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.189, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: pair@us.ibm.com, brijesh.singh@amd.com, kvm@vger.kernel.org, David Hildenbrand , qemu-devel@nongnu.org, frankja@linux.ibm.com, pragyansri.pathi@intel.com, mst@redhat.com, mdroth@linux.vnet.ibm.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, andi.kleen@intel.com, thuth@redhat.com, Eduardo Habkost , Richard Henderson , dgilbert@redhat.com, Greg Kurz , qemu-s390x@nongnu.org, jun.nakajima@intel.com, berrange@redhat.com, Marcelo Tosatti , qemu-ppc@nongnu.org, Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --Sig_/WkEXjtwJyWPKs=NWbty5zOm Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 18 Jan 2021 14:03:08 +1100 David Gibson wrote: > On Fri, Jan 15, 2021 at 02:24:25PM +0100, Cornelia Huck wrote: > > On Thu, 14 Jan 2021 10:58:06 +1100 > > David Gibson wrote: > > =20 > > > While we've abstracted some (potential) differences between mechanism= s for > > > securing guest memory, the initialization is still specific to SEV. = Given > > > that, move it into x86's kvm_arch_init() code, rather than the generic > > > kvm_init() code. > > >=20 > > > Signed-off-by: David Gibson > > > --- > > > accel/kvm/kvm-all.c | 14 -------------- > > > accel/kvm/sev-stub.c | 4 ++-- > > > target/i386/kvm/kvm.c | 12 ++++++++++++ > > > target/i386/sev.c | 7 ++++++- > > > 4 files changed, 20 insertions(+), 17 deletions(-) > > > =20 > >=20 > > (...) > > =20 > > > @@ -2135,6 +2136,17 @@ int kvm_arch_init(MachineState *ms, KVMState *= s) > > > uint64_t shadow_mem; > > > int ret; > > > struct utsname utsname; > > > + Error *local_err =3D NULL; > > > + > > > + /* > > > + * if memory encryption object is specified then initialize the > > > + * memory encryption context (no-op otherwise) > > > + */ > > > + ret =3D sev_kvm_init(ms->cgs, &local_err); =20 > >=20 > > Maybe still leave a comment here, as the code will still need to be > > modified to handle non-SEV x86 mechanisms? =20 >=20 > Uh.. I'm confused.. this hunk is adding a comment, not removing one.. Yes, but there was a "TODO: handle non-SEV" comment before. This will probably need some massaging if we add Intel mechanisms? >=20 > > =20 > > > + if (ret < 0) { > > > + error_report_err(local_err); > > > + return ret; > > > + } > > > =20 > > > if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) { > > > error_report("kvm: KVM_CAP_IRQ_ROUTING not supported by KVM"= ); --Sig_/WkEXjtwJyWPKs=NWbty5zOm Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEw9DWbcNiT/aowBjO3s9rk8bwL68FAmAFQNgACgkQ3s9rk8bw L6+rVA//YG3RYaH7PAb1Wxo1thCQnDUklKSye2aqzmkoPAe3RCqWur2vajE5vX3R rdOJvofTSloYZo0QzMSahu7gBXvh8r1R3O/LEysaOYAUMkguyN9Np2SOZLOpmOwg Ix+U/cfF5050isQenpKg5Aa9zvsuYaA7soTkZY113MAz/K9eD8ZGQfJWFj36a/Nh oCyM3BeDq5ByUTJbXruDxV61pMEFRmmpIGOIBlVUOuEA/Vzi5NF1CrkaTA2OOwiM clj6JU4+VxRgglSckK7c9BBjyvKzb2IIfc4KUkwlsWUmVN0hySDIJnOOqj5KxqRo hKoW/QVCmkP5p95DA9A+l+K06YdL/ZpLUhTyMOz4+IW47zf1QVh/ndoUWhaZYZPS NzmAc7KE36WsfSH2XtkyY+PKbcASF+RWja0/+AtASYlbtD3POAz8IFmyAUBpulz2 cEsVc3Rq0F3iU6EteHe74cPFQuw03AOnnILUriQDb7zQZlWiZIQEdAJAyv3f/D2i /zOPQ7aeqivJf/kK2h6AIA7PrfZPD2CBuonRM2WGEE8HYiVYCYoC8qQkTE0WICrX nksCDEC5v4sSeRv5+8bMhPR7BRNxNPJWhA06Z4ARB7921TH4Rz9qL38d3OyMvVc8 UyVXOsMqdHnKGzGeZ3uimgx9lzmNfMkRJSmijEpLWWzlepGdC0M= =du0m -----END PGP SIGNATURE----- --Sig_/WkEXjtwJyWPKs=NWbty5zOm--