From patchwork Fri Jun 13 11:19:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 359511 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 4AFE91400EA for ; Fri, 13 Jun 2014 21:23:21 +1000 (EST) Received: from localhost ([::1]:58247 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvPZm-00063Y-UC for incoming@patchwork.ozlabs.org; Fri, 13 Jun 2014 07:23:18 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvPWb-0001Bn-AA for qemu-devel@nongnu.org; Fri, 13 Jun 2014 07:20:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WvPWR-00030F-VU for qemu-devel@nongnu.org; Fri, 13 Jun 2014 07:20:01 -0400 Received: from e06smtp11.uk.ibm.com ([195.75.94.107]:48408) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvPWR-0002zy-NT for qemu-devel@nongnu.org; Fri, 13 Jun 2014 07:19:51 -0400 Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Tsirkin" , aneesh.kumar@linux.vnet.ibm.com, Anthony Liguori , Amit Shah , Paolo Bonzini , Andreas =?utf-8?q?F=C3=A4rber?= Subject: [Qemu-devel] [PATCH v8 04/20] virtio-blk: implement per-device migration calls X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Greg Kurz --- hw/block/virtio-blk.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 49f58cd..e432bcd 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -601,12 +601,16 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status) static void virtio_blk_save(QEMUFile *f, void *opaque) { - VirtIOBlock *s = opaque; - VirtIODevice *vdev = VIRTIO_DEVICE(s); - VirtIOBlockReq *req = s->rq; + VirtIODevice *vdev = VIRTIO_DEVICE(opaque); virtio_save(vdev, f); +} +static void virtio_blk_save_device(VirtIODevice *vdev, QEMUFile *f) +{ + VirtIOBlock *s = VIRTIO_BLK(vdev); + VirtIOBlockReq *req = s->rq; + while (req) { qemu_put_sbyte(f, 1); qemu_put_buffer(f, (unsigned char*)&req->elem, sizeof(req->elem)); @@ -619,15 +623,17 @@ static int virtio_blk_load(QEMUFile *f, void *opaque, int version_id) { VirtIOBlock *s = opaque; VirtIODevice *vdev = VIRTIO_DEVICE(s); - int ret; if (version_id != 2) return -EINVAL; - ret = virtio_load(vdev, f, version_id); - if (ret) { - return ret; - } + return virtio_load(vdev, f, version_id); +} + +static int virtio_blk_load_device(VirtIODevice *vdev, QEMUFile *f, + int version_id) +{ + VirtIOBlock *s = VIRTIO_BLK(vdev); while (qemu_get_sbyte(f)) { VirtIOBlockReq *req = virtio_blk_alloc_request(s); @@ -786,6 +792,8 @@ static void virtio_blk_class_init(ObjectClass *klass, void *data) vdc->get_features = virtio_blk_get_features; vdc->set_status = virtio_blk_set_status; vdc->reset = virtio_blk_reset; + vdc->save = virtio_blk_save_device; + vdc->load = virtio_blk_load_device; } static const TypeInfo virtio_device_info = {