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virtio/vhost-scsi: use aliases instead of duplicate qdev properties

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{virtio, vhost}-scsi-{pci, s390, ccw} all duplicate the
qdev properties of their VirtIOSCSI/VHostSCSI child.
This approach does not work well with string or pointer
properties since we must be careful about leaking or
double-freeing them.

Use the QOM alias property to forward property accesses to the
VirtIOSCSI/VHostSCSI child. This way no duplication is necessary.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gonglei 2014-09-30 14:10:29 +08:00 • committed by Paolo Bonzini
parent 6a0c6b5978
commit c39343fd81
3 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hw/virtio/virtio-pci.c
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@ -1135,7 +1135,6 @@ static Property virtio_scsi_pci_properties[] = {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIPCI, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
@ -1187,6 +1186,7 @@ static void virtio_scsi_pci_instance_init(Object *obj)
VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
static const TypeInfo virtio_scsi_pci_info = {
@ -1203,7 +1203,6 @@ static const TypeInfo virtio_scsi_pci_info = {
static Property vhost_scsi_pci_properties[] = {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIPCI, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
@ -1243,6 +1242,7 @@ static void vhost_scsi_pci_instance_init(Object *obj)
VHostSCSIPCI *dev = VHOST_SCSI_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
static const TypeInfo vhost_scsi_pci_info = {