From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A86FFC47404 for ; Thu, 12 Sep 2019 12:31:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7D671206CD for ; Thu, 12 Sep 2019 12:31:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7D671206CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33952 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i8OFe-0007Ah-PQ for qemu-devel@archiver.kernel.org; Thu, 12 Sep 2019 08:31:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51406) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i8OAP-00033a-2n for qemu-devel@nongnu.org; Thu, 12 Sep 2019 08:25:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i8OAN-0007Qc-Ne for qemu-devel@nongnu.org; Thu, 12 Sep 2019 08:25:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15380) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i8OAN-0007QR-GO for qemu-devel@nongnu.org; Thu, 12 Sep 2019 08:25:39 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D9CA083F40 for ; Thu, 12 Sep 2019 12:25:38 +0000 (UTC) Received: from localhost (ovpn-112-63.ams2.redhat.com [10.36.112.63]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1BEEA600C4; Thu, 12 Sep 2019 12:25:34 +0000 (UTC) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Thu, 12 Sep 2019 16:25:10 +0400 Message-Id: <20190912122514.22504-3-marcandre.lureau@redhat.com> In-Reply-To: <20190912122514.22504-1-marcandre.lureau@redhat.com> References: <20190912122514.22504-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Thu, 12 Sep 2019 12:25:38 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 2/6] vmstate: add qom interface to get id 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: berrange@redhat.com, quintela@redhat.com, mprivozn@redhat.com, dgilbert@redhat.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add an interface to get the instance id, instead of depending on Device and qdev_get_dev_path(). Signed-off-by: Marc-Andr=C3=A9 Lureau --- hw/core/Makefile.objs | 1 + hw/core/qdev.c | 14 ++++++++++++++ hw/core/vmstate-if.c | 23 +++++++++++++++++++++++ include/hw/vmstate-if.h | 32 ++++++++++++++++++++++++++++++++ include/migration/register.h | 2 ++ include/migration/vmstate.h | 2 ++ tests/Makefile.include | 1 + 7 files changed, 75 insertions(+) create mode 100644 hw/core/vmstate-if.c create mode 100644 include/hw/vmstate-if.h diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs index fd0550d1d9..0edd9e635d 100644 --- a/hw/core/Makefile.objs +++ b/hw/core/Makefile.objs @@ -9,6 +9,7 @@ common-obj-y +=3D hotplug.o common-obj-$(CONFIG_SOFTMMU) +=3D nmi.o common-obj-$(CONFIG_SOFTMMU) +=3D vm-change-state-handler.o common-obj-y +=3D cpu.o +common-obj-y +=3D vmstate-if.o =20 common-obj-$(CONFIG_EMPTY_SLOT) +=3D empty_slot.o common-obj-$(CONFIG_XILINX_AXI) +=3D stream.o diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 60d66c2f39..7e083dfcae 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -1047,9 +1047,18 @@ static void device_unparent(Object *obj) } } =20 +static char * +device_vmstate_if_get_id(VMStateIf *obj) +{ + DeviceState *dev =3D DEVICE(obj); + + return qdev_get_dev_path(dev); +} + static void device_class_init(ObjectClass *class, void *data) { DeviceClass *dc =3D DEVICE_CLASS(class); + VMStateIfClass *vc =3D VMSTATE_IF_CLASS(class); =20 class->unparent =3D device_unparent; =20 @@ -1061,6 +1070,7 @@ static void device_class_init(ObjectClass *class, v= oid *data) */ dc->hotpluggable =3D true; dc->user_creatable =3D true; + vc->get_id =3D device_vmstate_if_get_id; } =20 void device_class_set_parent_reset(DeviceClass *dc, @@ -1118,6 +1128,10 @@ static const TypeInfo device_type_info =3D { .class_init =3D device_class_init, .abstract =3D true, .class_size =3D sizeof(DeviceClass), + .interfaces =3D (InterfaceInfo[]) { + { TYPE_VMSTATE_IF }, + { } + } }; =20 static void qdev_register_types(void) diff --git a/hw/core/vmstate-if.c b/hw/core/vmstate-if.c new file mode 100644 index 0000000000..d0b2392b0a --- /dev/null +++ b/hw/core/vmstate-if.c @@ -0,0 +1,23 @@ +/* + * VMState interface + * + * Copyright (c) 2009-2017 Red Hat Inc + * This work is licensed under the terms of the GNU GPL, version 2 or la= ter. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/vmstate-if.h" + +static const TypeInfo vmstate_if_info =3D { + .name =3D TYPE_VMSTATE_IF, + .parent =3D TYPE_INTERFACE, + .class_size =3D sizeof(VMStateIfClass), +}; + +static void vmstate_register_types(void) +{ + type_register_static(&vmstate_if_info); +} + +type_init(vmstate_register_types); diff --git a/include/hw/vmstate-if.h b/include/hw/vmstate-if.h new file mode 100644 index 0000000000..92682f5bc2 --- /dev/null +++ b/include/hw/vmstate-if.h @@ -0,0 +1,32 @@ +#ifndef VMSTATE_IF_H +#define VMSTATE_IF_H + +#include "qom/object.h" + +#define TYPE_VMSTATE_IF "vmstate-if" + +#define VMSTATE_IF_CLASS(klass) \ + OBJECT_CLASS_CHECK(VMStateIfClass, (klass), TYPE_VMSTATE_IF) +#define VMSTATE_IF_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VMStateIfClass, (obj), TYPE_VMSTATE_IF) +#define VMSTATE_IF(obj) \ + INTERFACE_CHECK(VMStateIf, (obj), TYPE_VMSTATE_IF) + +typedef struct VMStateIf VMStateIf; + +typedef struct VMStateIfClass { + InterfaceClass parent_class; + + char * (*get_id)(VMStateIf *obj); +} VMStateIfClass; + +static inline char *vmstate_if_get_id(VMStateIf *vmif) +{ + if (!vmif) { + return NULL; + } + + return VMSTATE_IF_GET_CLASS(vmif)->get_id(vmif); +} + +#endif /* VMSTATE_IF_H */ diff --git a/include/migration/register.h b/include/migration/register.h index 3d0b9833c6..74f1578b29 100644 --- a/include/migration/register.h +++ b/include/migration/register.h @@ -14,6 +14,8 @@ #ifndef MIGRATION_REGISTER_H #define MIGRATION_REGISTER_H =20 +#include "hw/vmstate-if.h" + typedef struct SaveVMHandlers { /* This runs inside the iothread lock. */ SaveStateHandler *save_state; diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 1fbfd099dd..bdcf8a1652 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -27,6 +27,8 @@ #ifndef QEMU_VMSTATE_H #define QEMU_VMSTATE_H =20 +#include "hw/vmstate-if.h" + typedef struct VMStateInfo VMStateInfo; typedef struct VMStateField VMStateField; =20 diff --git a/tests/Makefile.include b/tests/Makefile.include index f5ac09549c..d4502a30eb 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -566,6 +566,7 @@ tests/test-qdev-global-props$(EXESUF): tests/test-qde= v-global-props.o \ hw/core/irq.o \ hw/core/fw-path-provider.o \ hw/core/reset.o \ + hw/core/vmstate-if.o \ $(test-qapi-obj-y) tests/test-vmstate$(EXESUF): tests/test-vmstate.o \ migration/vmstate.o migration/vmstate-types.o migration/qemu-file.o \ --=20 2.23.0