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[Qemu-devel] [PATCH RFC 5/8] virtio-balloon: implement per-device migrat
From: |
Greg Kurz |
Subject: |
[Qemu-devel] [PATCH RFC 5/8] virtio-balloon: implement per-device migration calls |
Date: |
Mon, 19 May 2014 10:38:46 +0200 |
User-agent: |
StGit/0.16 |
Signed-off-by: Greg Kurz <address@hidden>
---
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 = {
- [Qemu-devel] [PATCH RFC V2 0/8] virtio: migrate new properties, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 1/8] virtio: introduce device specific migration calls, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 2/8] virtio-net: implement per-device migration calls, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 3/8] virtio-blk: implement per-device migration calls, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 4/8] virtio-serial: implement per-device migration calls, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 5/8] virtio-balloon: implement per-device migration calls,
Greg Kurz <=
- [Qemu-devel] [PATCH RFC 6/8] virtio-rng: implement per-device migration calls, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 7/8] virtio: add subsections to the migration stream, Greg Kurz, 2014/05/19
- [Qemu-devel] [PATCH RFC 8/8] virtio: add endian-ambivalent support to VirtIODevice, Greg Kurz, 2014/05/19
- Re: [Qemu-devel] [PATCH RFC V2 0/8] virtio: migrate new properties, Alexander Graf, 2014/05/19