From nobody Thu Oct 30 05:02:38 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1525362794073319.45818257710766; Thu, 3 May 2018 08:53:14 -0700 (PDT) Received: from localhost ([::1]:57366 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fEGXh-00037L-C4 for importer@patchew.org; Thu, 03 May 2018 11:53:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fEGUT-0000hC-UJ for qemu-devel@nongnu.org; Thu, 03 May 2018 11:49:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fEGUT-0003hT-3Y for qemu-devel@nongnu.org; Thu, 03 May 2018 11:49:53 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:43270 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 1fEGUS-0003hG-Uv; Thu, 03 May 2018 11:49:53 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6A89EF1207; Thu, 3 May 2018 15:49:52 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-201.ams2.redhat.com [10.36.117.201]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4A6FC215CDAA; Thu, 3 May 2018 15:49:50 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 3 May 2018 17:49:31 +0200 Message-Id: <20180503154936.18946-4-david@redhat.com> In-Reply-To: <20180503154936.18946-1-david@redhat.com> References: <20180503154936.18946-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Thu, 03 May 2018 15:49:52 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Thu, 03 May 2018 15:49:52 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.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 v1 3/8] machine: provide default resource handler 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" , David Hildenbrand , Markus Armbruster , Alexander Graf , qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, Paolo Bonzini , Marcel Apfelbaum , Igor Mammedov , David Gibson , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Most resources that can't be handled via the hotplug handler will have to assign "system wide" resource. This is e.g. the case for memory devices. This will allow for a quite clean implementation for such handling. The new functions will soon be filled with life. Signed-off-by: David Hildenbrand --- hw/core/machine.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/hw/core/machine.c b/hw/core/machine.c index 2040177664..a41068410c 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -517,8 +517,31 @@ void machine_set_cpu_numa_node(MachineState *machine, } } =20 +static ResourceHandler *machine_get_resource_handler(MachineState *machine, + const DeviceState *de= v) +{ + return NULL; +} + +static void machine_resource_handler_pre_assign(ResourceHandler *rh, + const DeviceState *dev, + Error **errp) +{ +} + +static void machine_resource_handler_assign(ResourceHandler *rh, + DeviceState *dev, Error **errp) +{ +} + +static void machine_resource_handler_unassign(ResourceHandler *rh, + DeviceState *dev) +{ +} + static void machine_class_init(ObjectClass *oc, void *data) { + ResourceHandlerClass *rhc =3D RESOURCE_HANDLER_CLASS(oc); MachineClass *mc =3D MACHINE_CLASS(oc); =20 /* Default 128 MB as guest ram size */ @@ -531,6 +554,12 @@ static void machine_class_init(ObjectClass *oc, void *= data) mc->numa_mem_align_shift =3D 23; mc->numa_auto_assign_ram =3D numa_default_auto_assign_ram; =20 + /* default resource handler */ + mc->get_resource_handler =3D machine_get_resource_handler; + rhc->pre_assign =3D machine_resource_handler_pre_assign; + rhc->assign =3D machine_resource_handler_assign; + rhc->unassign =3D machine_resource_handler_unassign; + object_class_property_add_str(oc, "accel", machine_get_accel, machine_set_accel, &error_abort); object_class_property_set_description(oc, "accel", @@ -868,6 +897,10 @@ static const TypeInfo machine_info =3D { .instance_size =3D sizeof(MachineState), .instance_init =3D machine_initfn, .instance_finalize =3D machine_finalize, + .interfaces =3D (InterfaceInfo[]) { + { TYPE_RESOURCE_HANDLER }, + { } + }, }; =20 static void machine_register_types(void) --=20 2.14.3