From patchwork Mon May 14 10:00:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 912834 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40kxXV2MV4z9ry1 for ; Mon, 14 May 2018 20:20:10 +1000 (AEST) Received: from localhost ([::1]:55312 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIAaN-0007dx-RP for incoming@patchwork.ozlabs.org; Mon, 14 May 2018 06:20:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59258) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIAIC-0004XJ-CN for qemu-devel@nongnu.org; Mon, 14 May 2018 06:01:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fIAIB-0005Gc-FL for qemu-devel@nongnu.org; Mon, 14 May 2018 06:01:20 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:51908 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fIAIB-0005GU-AB; Mon, 14 May 2018 06:01:19 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C3D85818A6A6; Mon, 14 May 2018 10:01:18 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-219.ams2.redhat.com [10.36.116.219]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3B1512024CBA; Mon, 14 May 2018 10:01:16 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 14 May 2018 12:00:23 +0200 Message-Id: <20180514100023.12542-19-david@redhat.com> In-Reply-To: <20180514100023.12542-1-david@redhat.com> References: <20180514100023.12542-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Mon, 14 May 2018 10:01:18 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Mon, 14 May 2018 10:01:18 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v3 18/18] s390x: support memory devices 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: Pankaj Gupta , Eduardo Habkost , "Michael S . Tsirkin" , Cornelia Huck , David Hildenbrand , Markus Armbruster , Alexander Graf , Christian Borntraeger , qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, Paolo Bonzini , Marcel Apfelbaum , Igor Mammedov , Luiz Capitulino , David Gibson , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let's route all memory devices we can hotplug through the machine hotplug handler, just like on pc and spapr. As CONFIG_DIMM is not enabled, we won't ever try to plug DIMMs. Signed-off-by: David Hildenbrand --- default-configs/s390x-softmmu.mak | 1 + hw/s390x/s390-virtio-ccw.c | 31 ++++++++++++++++++++++++++++++- 2 files changed, 31 insertions(+), 1 deletion(-) diff --git a/default-configs/s390x-softmmu.mak b/default-configs/s390x-softmmu.mak index 2f4bfe73b4..c0628c0123 100644 --- a/default-configs/s390x-softmmu.mak +++ b/default-configs/s390x-softmmu.mak @@ -9,3 +9,4 @@ CONFIG_S390_FLIC=y CONFIG_S390_FLIC_KVM=$(CONFIG_KVM) CONFIG_VFIO_CCW=$(CONFIG_LINUX) CONFIG_WDT_DIAG288=y +CONFIG_MEM_DEVICE=y diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 7700658400..54c620baf2 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -35,6 +35,7 @@ #include "migration/register.h" #include "cpu_models.h" #include "hw/nmi.h" +#include "hw/mem/memory-device.h" S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) { @@ -436,12 +437,29 @@ static void s390_machine_device_plug(HotplugHandler *hotplug_dev, { Error *local_err = NULL; + /* first stage hotplug handler */ + if (object_dynamic_cast(OBJECT(dev), TYPE_MEMORY_DEVICE)) { + memory_device_plug(MACHINE(hotplug_dev), MEMORY_DEVICE(dev), NULL, + &local_err); + } + + if (local_err) { + error_propagate(errp, local_err); + return; + } + /* final stage hotplug handler */ if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { s390_cpu_plug(hotplug_dev, dev, &local_err); } else if (dev->parent_bus && dev->parent_bus->hotplug_handler) { hotplug_handler_plug(dev->parent_bus->hotplug_handler, dev, &local_err); } + + if (local_err) { + if (object_dynamic_cast(OBJECT(dev), TYPE_MEMORY_DEVICE)) { + memory_device_unplug(MACHINE(hotplug_dev), MEMORY_DEVICE(dev)); + } + } error_propagate(errp, local_err); } @@ -468,6 +486,16 @@ static void s390_machine_device_unplug(HotplugHandler *hotplug_dev, &local_err); } error_propagate(errp, local_err); + + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* first stage hotplug handler */ + if (object_dynamic_cast(OBJECT(dev), TYPE_MEMORY_DEVICE)) { + memory_device_unplug(MACHINE(hotplug_dev), MEMORY_DEVICE(dev)); + } } static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, @@ -506,7 +534,8 @@ static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, DeviceState *dev) { - if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) || + object_dynamic_cast(OBJECT(dev), TYPE_MEMORY_DEVICE)) { return HOTPLUG_HANDLER(machine); } return NULL;