From nobody Tue Nov 18 11:49:29 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=1610427434; cv=none; d=zohomail.com; s=zohoarc; b=Hc3akt2TcWvOOGqD7DSBYQ6JOr0r+WPMr9uwDpMO2WfIiiGT2792IYBRcuBA5JQZ2etmi5ScqwhaOgPVQC19U3anU4K5NNEPWT0xxPhXSnMlmHQv7GoTXmcsUpncYHdy33oG7fmrAe6jNeZnxh8ljnA4uYBxGt62w2AvDH7SUo8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610427434; 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=KYsbOKQTiPQEdp2WdT+Rcl53JeS3vuix/TRgKKSxtWE=; b=j7rAAQvHfVxtTUn5brBEaGsP7VDIin8noX29qeCnQ2xa5WpNA8GTCLTXSHxcCcjUSZXPAtUKX7NT+kxamYdhANtKmnTF+fcckolxqcgxqI1HHDRM7AMZ6GPVNLdNTcXmdUz1PNf38P5r19J+Li9q5dlq2HGI4JaTRWfMn+pq2ZM= 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 1610427434620667.077956307126; Mon, 11 Jan 2021 20:57:14 -0800 (PST) Received: from localhost ([::1]:38994 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzBk1-0006OM-HH for importer@patchew.org; Mon, 11 Jan 2021 23:57:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50486) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzBYf-0002J3-FE; Mon, 11 Jan 2021 23:45:32 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:53149 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzBYb-00080D-LG; Mon, 11 Jan 2021 23:45:28 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 4DFJ0S42M5z9t18; Tue, 12 Jan 2021 15:45:12 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1610426712; bh=U34ioj+EjS4wgtSHG2jFZVWN7LCIU1LR2wuCkfl/yQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MHlNPvTs2cVT4cdB4OoM2f6kPlbweBcyVlgDWwLL0deqq6QjZOtUnzBPtTC5AAEao MUf085r+zcwFu5na/WvmN6CPmh7/7lHFD2/66ApEtHtKx3KSFhu/73XUFxrxOwoXgn V23aCD/QVnyVwmZaMtSCz8QYgV36R/CL9xP4NTgs= From: David Gibson To: pasic@linux.ibm.com, brijesh.singh@amd.com, pair@us.ibm.com, dgilbert@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v6 11/13] spapr: PEF: prevent migration Date: Tue, 12 Jan 2021 15:45:06 +1100 Message-Id: <20210112044508.427338-12-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210112044508.427338-1-david@gibson.dropbear.id.au> References: <20210112044508.427338-1-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=0.249, 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: thuth@redhat.com, Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , frankja@linux.ibm.com, kvm@vger.kernel.org, david@redhat.com, jun.nakajima@intel.com, mst@redhat.com, Marcelo Tosatti , richard.henderson@linaro.org, Greg Kurz , Eduardo Habkost , mdroth@linux.vnet.ibm.com, Christian Borntraeger , qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, pragyansri.pathi@intel.com, andi.kleen@intel.com, Paolo Bonzini , David Gibson 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 b227dc6905..822668d9ae 100644 --- a/hw/ppc/pef.c +++ b/hw/ppc/pef.c @@ -38,6 +38,8 @@ struct PefGuestState { }; =20 #ifdef CONFIG_KVM +static Error *pef_mig_blocker; + static int kvmppc_svm_init(Error **errp) { if (!kvm_check_extension(kvm_state, KVM_CAP_PPC_SECURE_GUEST)) { @@ -54,6 +56,11 @@ 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; } =20 --=20 2.29.2