From patchwork Thu Sep 10 01:04:31 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 33246 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by bilbo.ozlabs.org (Postfix) with ESMTPS id DDC0AB7080 for ; Thu, 10 Sep 2009 11:22:16 +1000 (EST) Received: from localhost ([127.0.0.1]:52496 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MlYMX-0001nj-6M for incoming@patchwork.ozlabs.org; Wed, 09 Sep 2009 21:22:13 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MlY62-0004TF-UO for qemu-devel@nongnu.org; Wed, 09 Sep 2009 21:05:11 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MlY5x-0004P8-NT for qemu-devel@nongnu.org; Wed, 09 Sep 2009 21:05:09 -0400 Received: from [199.232.76.173] (port=48258 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MlY5x-0004P0-7I for qemu-devel@nongnu.org; Wed, 09 Sep 2009 21:05:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28490) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MlY5w-0002lx-Jq for qemu-devel@nongnu.org; Wed, 09 Sep 2009 21:05:04 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n8A153gl021168 for ; Wed, 9 Sep 2009 21:05:03 -0400 Received: from localhost.localdomain (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n8A14ood020882; Wed, 9 Sep 2009 21:05:03 -0400 From: Juan Quintela To: qemu-devel@nongnu.org Date: Thu, 10 Sep 2009 03:04:31 +0200 Message-Id: <4d3837bad6fe792004dcd479da90ae34a368fc98.1252543872.git.quintela@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Subject: [Qemu-devel] [PATCH 10/26] vmstate: Add pre_load() hook X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Juan Quintela --- hw/hw.h | 1 + savevm.c | 5 +++++ 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/hw/hw.h b/hw/hw.h index c85ce50..8e75a04 100644 --- a/hw/hw.h +++ b/hw/hw.h @@ -306,6 +306,7 @@ struct VMStateDescription { int minimum_version_id; int minimum_version_id_old; LoadStateHandler *load_state_old; + int (*pre_load)(void *opaque); int (*post_load)(void *opaque); VMStateField *fields; }; diff --git a/savevm.c b/savevm.c index 38f9946..8ae8d16 100644 --- a/savevm.c +++ b/savevm.c @@ -1028,6 +1028,11 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, if (version_id < vmsd->minimum_version_id) { return vmsd->load_state_old(f, opaque, version_id); } + if (vmsd->pre_load) { + int ret = vmsd->pre_load(opaque); + if (ret) + return ret; + } while(field->name) { if (field->version_id <= version_id) { void *base_addr = opaque + field->offset;