From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59665) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmJ6A-0005Fs-NK for qemu-devel@nongnu.org; Mon, 19 May 2014 04:39:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WmJ5y-0006Wj-Fo for qemu-devel@nongnu.org; Mon, 19 May 2014 04:39:06 -0400 Received: from e06smtp11.uk.ibm.com ([195.75.94.107]:48176) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmJ5y-0006Wc-7v for qemu-devel@nongnu.org; Mon, 19 May 2014 04:38:54 -0400 Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 19 May 2014 09:38:53 +0100 Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id A63331B08061 for ; Mon, 19 May 2014 09:39:05 +0100 (BST) Received: from d06av08.portsmouth.uk.ibm.com (d06av08.portsmouth.uk.ibm.com [9.149.37.249]) by b06cxnps4075.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s4J8cnqx524570 for ; Mon, 19 May 2014 08:38:49 GMT Received: from d06av08.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av08.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s4J8cmvk001951 for ; Mon, 19 May 2014 02:38:49 -0600 From: Greg Kurz Date: Mon, 19 May 2014 10:38:46 +0200 Message-ID: <20140519083845.22955.81048.stgit@bahia.local> In-Reply-To: <20140519063132.22955.63563.stgit@bahia.local> References: <20140519063132.22955.63563.stgit@bahia.local> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH RFC 5/8] virtio-balloon: implement per-device migration calls List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf , Anthony Liguori , "Michael S. Tsirkin" , Stefan Hajnoczi , Amit Shah , Paolo Bonzini Cc: Juan Quintela , Fam Zheng , Alexander Graf , Andreas =?utf-8?q?F=C3=A4rber?= , qemu-devel@nongnu.org Signed-off-by: Greg Kurz --- hw/virtio/virtio-balloon.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index 6d8ec72..a3a9ac1 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -309,10 +309,12 @@ static void virtio_balloon_to_target(void *opaque, ram_addr_t target) static void virtio_balloon_save(QEMUFile *f, void *opaque) { - VirtIOBalloon *s = VIRTIO_BALLOON(opaque); - VirtIODevice *vdev = VIRTIO_DEVICE(s); + virtio_save(VIRTIO_DEVICE(opaque), f); +} - virtio_save(vdev, f); +static void virtio_balloon_save_device(VirtIODevice *vdev, QEMUFile *f) +{ + VirtIOBalloon *s = VIRTIO_BALLOON(vdev); qemu_put_be32(f, s->num_pages); qemu_put_be32(f, s->actual); @@ -320,17 +322,16 @@ static void virtio_balloon_save(QEMUFile *f, void *opaque) static int virtio_balloon_load(QEMUFile *f, void *opaque, int version_id) { - VirtIOBalloon *s = VIRTIO_BALLOON(opaque); - VirtIODevice *vdev = VIRTIO_DEVICE(s); - int ret; - if (version_id != 1) return -EINVAL; - ret = virtio_load(vdev, f, version_id); - if (ret) { - return ret; - } + return virtio_load(VIRTIO_DEVICE(opaque), f, version_id); +} + +static int virtio_balloon_load_device(VirtIODevice *vdev, QEMUFile *f, + int version_id) +{ + VirtIOBalloon *s = VIRTIO_BALLOON(vdev); s->num_pages = qemu_get_be32(f); s->actual = qemu_get_be32(f); @@ -398,6 +399,8 @@ static void virtio_balloon_class_init(ObjectClass *klass, void *data) vdc->get_config = virtio_balloon_get_config; vdc->set_config = virtio_balloon_set_config; vdc->get_features = virtio_balloon_get_features; + vdc->save = virtio_balloon_save_device; + vdc->load = virtio_balloon_load_device; } static const TypeInfo virtio_balloon_info = {