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virtio-net: Incorporate a DeviceState pointer and let savevm track instances 

Stuff a pointer to the DeviceState into the VirtIONet structure so that
we can easily remove the vmstate entry later.  Also, let vmstate track
the instance number (it should always be zero internally since the
device path should now be unique).

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alex Williamson 2010-06-25 11:09:28 -06:00 committed by Anthony Liguori
parent 5fce2b3e46
commit 01657c867d
1 changed files with 4 additions and 3 deletions
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7
hw/virtio-net.c
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@ -60,6 +60,7 @@ typedef struct VirtIONet
uint8_t *macs;
} mac_table;
uint32_t *vlans;
DeviceState *qdev;
} VirtIONet;
/* TODO
@ -890,7 +891,6 @@ static void virtio_net_vmstate_change(void *opaque, int running, int reason)
VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf)
{
VirtIONet *n;
static int virtio_net_id;
n = (VirtIONet *)virtio_common_init("virtio-net", VIRTIO_ID_NET,
sizeof(struct virtio_net_config),
@ -923,7 +923,8 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf)
n->vlans = qemu_mallocz(MAX_VLAN >> 3);
register_savevm(NULL, "virtio-net", virtio_net_id++, VIRTIO_NET_VM_VERSION,
n->qdev = dev;
register_savevm(dev, "virtio-net", -1, VIRTIO_NET_VM_VERSION,
virtio_net_save, virtio_net_load, n);
n->vmstate = qemu_add_vm_change_state_handler(virtio_net_vmstate_change, n);
@ -941,7 +942,7 @@ void virtio_net_exit(VirtIODevice *vdev)
qemu_purge_queued_packets(&n->nic->nc);
unregister_savevm(NULL, "virtio-net", n);
unregister_savevm(n->qdev, "virtio-net", n);
qemu_free(n->mac_table.macs);
qemu_free(n->vlans);