From nobody Fri Nov 7 04:09:27 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1545352739141327.676337623117; Thu, 20 Dec 2018 16:38:59 -0800 (PST) Received: from localhost ([::1]:41667 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ga8q9-0007HJ-IC for importer@patchew.org; Thu, 20 Dec 2018 19:38:57 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59693) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ga8o9-0005j3-K6 for qemu-devel@nongnu.org; Thu, 20 Dec 2018 19:36:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ga8o6-0006t9-Df for qemu-devel@nongnu.org; Thu, 20 Dec 2018 19:36:53 -0500 Received: from 1.mo68.mail-out.ovh.net ([46.105.41.146]:54240) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ga8o6-0006rg-2U for qemu-devel@nongnu.org; Thu, 20 Dec 2018 19:36:50 -0500 Received: from player772.ha.ovh.net (unknown [10.109.159.224]) by mo68.mail-out.ovh.net (Postfix) with ESMTP id BAAF310A80C for ; Fri, 21 Dec 2018 01:36:48 +0100 (CET) Received: from kaod.org (lns-bzn-46-82-253-208-248.adsl.proxad.net [82.253.208.248]) (Authenticated sender: groug@kaod.org) by player772.ha.ovh.net (Postfix) with ESMTPSA id 0A08910809A8; Fri, 21 Dec 2018 00:36:33 +0000 (UTC) From: Greg Kurz To: qemu-devel@nongnu.org Date: Fri, 21 Dec 2018 01:36:32 +0100 Message-ID: <154535259259.862554.5658306444032609904.stgit@bahia.lan> In-Reply-To: <154535246529.862554.6113740443866753456.stgit@bahia.lan> References: <154535246529.862554.6113740443866753456.stgit@bahia.lan> User-Agent: StGit/unknown-version MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Ovh-Tracer-Id: 3864088480934238658 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtkedrudejgedgvdduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 46.105.41.146 Subject: [Qemu-devel] [PATCH 06/15] spapr: enable PHB hotplug for default pseries machine type X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cornelia Huck , Gerd Hoffmann , Eduardo Habkost , "Michael S. Tsirkin" , Alexey Kardashevskiy , David Hildenbrand , Michael Roth , qemu-s390x@nongnu.org, Dmitry Fleytman , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dric?= Le Goater , Marcel Apfelbaum , Paolo Bonzini , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" From: Michael Roth The 'dr_phb_enabled' field of that class can be set as part of machine-specific init code. It will be used to conditionally enable creation of DRC objects and device-tree description to facilitate hotplug of PHBs. Since we can't migrate this state to older machine types, default the option to true and disable it for older machine types. Signed-off-by: Michael Roth Signed-off-by: Greg Kurz --- hw/ppc/spapr.c | 2 ++ include/hw/ppc/spapr.h | 1 + 2 files changed, 3 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 1f17b5d01f4f..621006eaa862 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -4011,6 +4011,7 @@ static void spapr_machine_class_init(ObjectClass *oc,= void *data) smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] =3D SPAPR_CAP_OFF; spapr_caps_add_properties(smc, &error_abort); smc->irq =3D &spapr_irq_xics; + smc->dr_phb_enabled =3D true; } =20 static const TypeInfo spapr_machine_info =3D { @@ -4079,6 +4080,7 @@ static void spapr_machine_3_1_class_options(MachineCl= ass *mc) SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_3_1); mc->default_cpu_type =3D POWERPC_CPU_TYPE_NAME("power8_v2.0"); smc->update_dt_enabled =3D false; + smc->dr_phb_enabled =3D false; } =20 DEFINE_SPAPR_MACHINE(3_1, "3.1", false); diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 36033b89d31a..e96deefa30de 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -104,6 +104,7 @@ struct sPAPRMachineClass { /*< public >*/ bool dr_lmb_enabled; /* enable dynamic-reconfig/hotplug of LMBs = */ bool update_dt_enabled; /* enable KVMPPC_H_UPDATE_DT */ + bool dr_phb_enabled; /* enable dynamic-reconfig/hotplug of PHBs = */ bool use_ohci_by_default; /* use USB-OHCI instead of XHCI */ bool pre_2_10_has_unused_icps; bool legacy_irq_allocation;