From nobody Tue Nov 18 02:50:36 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=1607060942; cv=none; d=zohomail.com; s=zohoarc; b=FlWns0eGO1diddO7WHTgx4BtGJsYlU8TVxEpjcDmEsem6MloOOlzZyWsneCbl3+mxtvabuUR97R+0iM80yd3zEKQV864rRmyBVOvvvcro4BQwkcbEjAt8+puNOSeNvnrqB+A3Z6HG1POlX2j0PvQsK8AikxU/nmTJga2E9TBq/M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607060942; 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=ZlDjtS18rewbZpkyzT4uOVsKKgcpiqxXXUatger2tFU=; b=RyZLidobSvqXq6Uw73QLcyZPVbhFjoCLfx/uE7SxK742ih9ltb4nYG0MsMYTtzdgEC2OvM16lW9yGt4ZeNKQHtve3Dmuxhm4x2qb6CMY/4KD6fi9T4v6FS0i0ae983PWmy/UVoh5wqF7MIsXRhN5ZfUujvVOexCRO864Ndk90aY= 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 1607060942475315.43901456886135; Thu, 3 Dec 2020 21:49:02 -0800 (PST) Received: from localhost ([::1]:43804 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kl3xl-0001x4-8Y for importer@patchew.org; Fri, 04 Dec 2020 00:49:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:56824) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kl3tW-0004B4-DO; Fri, 04 Dec 2020 00:44:38 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:57955 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 1kl3tU-000061-IT; Fri, 04 Dec 2020 00:44:38 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 4CnM8h5R7zz9sVv; Fri, 4 Dec 2020 16:44:20 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1607060660; bh=lCwJ3O4sNiYS7HxagCxP/NpsI9RVLllMh2C+EBE4vKE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IEw6C4v8bZxI94lZhAlLyeTaiqyeRSbJP2VK4KmnizsQ4wpJIFV8F0t+kCUmUVVBZ fmveDgtGjDJq/JuBqzuaCQG3ZK2M448N1+Qfe4RBotNgppJ5TIjMwbb/1q9RUCl8iM +sx71e29CEN1FADUNXJ37lo3oJ0yueV7XLjQ2UUg= From: David Gibson To: pair@us.ibm.com, pbonzini@redhat.com, frankja@linux.ibm.com, brijesh.singh@amd.com, dgilbert@redhat.com, qemu-devel@nongnu.org Subject: [for-6.0 v5 11/13] spapr: PEF: prevent migration Date: Fri, 4 Dec 2020 16:44:13 +1100 Message-Id: <20201204054415.579042-12-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201204054415.579042-1-david@gibson.dropbear.id.au> References: <20201204054415.579042-1-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=203.11.71.1; 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=0.25, 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, cohuck@redhat.com, berrange@redhat.com, Eduardo Habkost , kvm@vger.kernel.org, "Michael S. Tsirkin" , Richard Henderson , Marcelo Tosatti , david@redhat.com, mdroth@linux.vnet.ibm.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, David Gibson , rth@twiddle.net 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 --- hw/ppc/pef.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/ppc/pef.c b/hw/ppc/pef.c index 3ae3059cfe..edc3e744ba 100644 --- a/hw/ppc/pef.c +++ b/hw/ppc/pef.c @@ -38,7 +38,11 @@ struct PefGuestState { }; =20 #ifdef CONFIG_KVM +static Error *pef_mig_blocker; + static int kvmppc_svm_init(Error **errp) + +int kvmppc_svm_init(SecurableGuestMemory *sgm, Error **errp) { if (!kvm_check_extension(kvm_state, KVM_CAP_PPC_SECURABLE_GUEST)) { error_setg(errp, @@ -54,6 +58,11 @@ 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 2.28.0