From nobody Tue Nov 18 21:14:59 2025 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 ARC-Seal: i=1; a=rsa-sha256; t=1612784192; cv=none; d=zohomail.com; s=zohoarc; b=L5Vu4pxjvCfWuSp7yA64tKL63fgu+etP/xtaGIQ5V1wtePjGRFZW9LTTtySeAfL7YsLbr2agAwj/mRVy62wGK8VK3WN2OKfbAFcoUVKu1g2Fj7kfavMbe+Ip20PHQ2jlHlFQkYgGRstWrCBGJnJteBEOW/vUSaezbVwihP+KNa8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612784192; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GMbXutvumLXmSPSi/j9Z62KPaClBZbHQ6HMTckTIfeU=; b=ilb1WFx95mIoizO8e1j6ZOEH3Vfpv5Qig5lsIpGsZRjWifH/CC53XVqnU7aC4qKBq+gy9sKsN1qG9PXBYDCdBfyarHmThw0r8odkv3ihn7XSpaGQXPse8B8KjkFawIBNu6nBFnNO68jthwcLpiBC3j9J1pCBfm0GCLYrhzbsVEQ= ARC-Authentication-Results: i=1; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1612784192010329.10010781541405; Mon, 8 Feb 2021 03:36:32 -0800 (PST) Received: from localhost ([::1]:38842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l94cI-0006AP-Jj for importer@patchew.org; Mon, 08 Feb 2021 06:22:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8zgW-0007vu-P9; Mon, 08 Feb 2021 01:06:08 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:35011) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8zgU-00063A-2X; Mon, 08 Feb 2021 01:06:08 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 4DYwVt3vFWz9sWS; Mon, 8 Feb 2021 17:05:42 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1612764342; bh=N7aZkZMAZjZ1mtft7AjfybYlaQ339ZQW3otqxHe66KU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cnnXAy+jknbLBjIcGZP9I7awVZdkh8WzFru4SAFtSPHo4EVXTPF67GcSSQwjjBVJh 2a+8XbX0t0oTwxo/SvnNs8bf6lsorr6/5AK4Gofq+MGwy6wKsIzZ/nQGUgwDSHXXmm +6ZYHTklvtLAzO+MegAWjVUKxJ+mBTKwHLOJ5NNY= From: David Gibson To: pasic@linux.ibm.com, dgilbert@redhat.com, pair@us.ibm.com, qemu-devel@nongnu.org, brijesh.singh@amd.com Subject: [PULL v9 11/13] spapr: PEF: prevent migration Date: Mon, 8 Feb 2021 17:05:36 +1100 Message-Id: <20210208060538.39276-12-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210208060538.39276-1-david@gibson.dropbear.id.au> References: <20210208060538.39276-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 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=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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: Thomas Huth , cohuck@redhat.com, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, mtosatti@redhat.com, Richard Henderson , mdroth@linux.vnet.ibm.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, Greg Kurz , qemu-ppc@nongnu.org, pragyansri.pathi@intel.com, jun.nakajima@intel.com, andi.kleen@intel.com, pbonzini@redhat.com, David Hildenbrand , David Gibson , frankja@linux.ibm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" We haven't yet implemented the fairly involved handshaking that will be needed to migrate PEF protected guests. For now, just use a migration blocker so we get a meaningful error if someone attempts this (this is the same approach used by AMD SEV). Signed-off-by: David Gibson Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Greg Kurz --- hw/ppc/pef.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/ppc/pef.c b/hw/ppc/pef.c index f9fd1f2a71..573be3ed79 100644 --- a/hw/ppc/pef.c +++ b/hw/ppc/pef.c @@ -44,6 +44,8 @@ struct PefGuest { static int kvmppc_svm_init(Error **errp) { #ifdef CONFIG_KVM + static Error *pef_mig_blocker; + if (!kvm_check_extension(kvm_state, KVM_CAP_PPC_SECURE_GUEST)) { error_setg(errp, "KVM implementation does not support Secure VMs (is an = ultravisor running?)"); @@ -58,6 +60,11 @@ static int kvmppc_svm_init(Error **errp) } } =20 + /* add migration blocker */ + error_setg(&pef_mig_blocker, "PEF: Migration is not implemented"); + /* NB: This can fail if --only-migratable is used */ + migrate_add_blocker(pef_mig_blocker, &error_fatal); + return 0; #else g_assert_not_reached(); --=20 2.29.2