The only interesting bit here is that we have to ensure that we rearm the
timer if necessary.
Signed-off-by: Anthony Liguori <[EMAIL PROTECTED]>
diff --git a/qemu/hw/virtio-net.c b/qemu/hw/virtio-net.c
index d15c2f4..5fe66ac 100644
--- a/qemu/hw/virtio-net.c
+++ b/qemu/hw/virtio-net.c
@@ -207,9 +207,40 @@ static void virtio_net_tx_timer(void *opaque)
virtio_net_flush_tx(n, n->tx_vq);
}
+static void virtio_net_save(QEMUFile *f, void *opaque)
+{
+ VirtIONet *n = opaque;
+
+ virtio_save(&n->vdev, f);
+
+ qemu_put_buffer(f, n->mac, 6);
+ qemu_put_be32(f, n->tx_timer_active);
+}
+
+static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
+{
+ VirtIONet *n = opaque;
+
+ if (version_id != 1)
+ return -EINVAL;
+
+ virtio_load(&n->vdev, f);
+
+ qemu_get_buffer(f, n->mac, 6);
+ n->tx_timer_active = qemu_get_be32(f);
+
+ if (n->tx_timer_active) {
+ qemu_mod_timer(n->tx_timer,
+ qemu_get_clock(vm_clock) + TX_TIMER_INTERVAL);
+ }
+
+ return 0;
+}
+
PCIDevice *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn)
{
VirtIONet *n;
+ static int virtio_net_id;
n = (VirtIONet *)virtio_init_pci(bus, "virtio-net", 6900, 0x1000,
0, VIRTIO_ID_NET,
@@ -229,5 +260,8 @@ PCIDevice *virtio_net_init(PCIBus *bus, NICInfo *nd, int
devfn)
n->tx_timer = qemu_new_timer(vm_clock, virtio_net_tx_timer, n);
n->tx_timer_active = 0;
+ register_savevm("virtio-net", virtio_net_id++, 1,
+ virtio_net_save, virtio_net_load, n);
+
return (PCIDevice *)n;
}
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