mirror of https://github.com/xemu-project/xemu.git
virtio: add a wrapper for virtio-backend initialization
For better code sharing, add a helper function that handles reference counting of the virtio backend for virtio proxy devices. Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
8f3d60e568
commit
c8075caf19
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@ -159,10 +159,9 @@ static int s390_virtio_net_init(VirtIOS390Device *s390_dev)
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static void s390_virtio_net_instance_init(Object *obj)
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static void s390_virtio_net_instance_init(Object *obj)
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{
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{
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VirtIONetS390 *dev = VIRTIO_NET_S390(obj);
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VirtIONetS390 *dev = VIRTIO_NET_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_NET);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
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static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
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@ -179,10 +178,9 @@ static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
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static void s390_virtio_blk_instance_init(Object *obj)
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static void s390_virtio_blk_instance_init(Object *obj)
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{
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{
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VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj);
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VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_BLK);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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&error_abort);
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&error_abort);
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}
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}
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@ -224,10 +222,9 @@ static int s390_virtio_serial_init(VirtIOS390Device *s390_dev)
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static void s390_virtio_serial_instance_init(Object *obj)
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static void s390_virtio_serial_instance_init(Object *obj)
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{
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{
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VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj);
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VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_SERIAL);
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object_unref(OBJECT(&dev->vdev));
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}
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}
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static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
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static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
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@ -258,10 +255,9 @@ static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev)
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static void s390_virtio_scsi_instance_init(Object *obj)
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static void s390_virtio_scsi_instance_init(Object *obj)
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{
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{
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VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj);
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VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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#ifdef CONFIG_VHOST_SCSI
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#ifdef CONFIG_VHOST_SCSI
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@ -281,10 +277,9 @@ static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev)
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static void s390_vhost_scsi_instance_init(Object *obj)
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static void s390_vhost_scsi_instance_init(Object *obj)
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{
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{
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VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
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VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VHOST_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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#endif
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#endif
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@ -309,10 +304,9 @@ static int s390_virtio_rng_init(VirtIOS390Device *s390_dev)
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static void s390_virtio_rng_instance_init(Object *obj)
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static void s390_virtio_rng_instance_init(Object *obj)
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{
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{
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VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj);
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VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_RNG);
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object_unref(OBJECT(&dev->vdev));
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object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
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object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
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(Object **)&dev->vdev.conf.rng,
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(Object **)&dev->vdev.conf.rng,
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qdev_prop_allow_set_link_before_realize,
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qdev_prop_allow_set_link_before_realize,
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@ -792,10 +792,9 @@ static int virtio_ccw_net_init(VirtioCcwDevice *ccw_dev)
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static void virtio_ccw_net_instance_init(Object *obj)
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static void virtio_ccw_net_instance_init(Object *obj)
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{
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{
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VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
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VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_NET);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev)
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static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev)
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@ -813,10 +812,9 @@ static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev)
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static void virtio_ccw_blk_instance_init(Object *obj)
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static void virtio_ccw_blk_instance_init(Object *obj)
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{
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{
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VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
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VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_BLK);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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&error_abort);
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&error_abort);
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}
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}
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@ -850,10 +848,9 @@ static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev)
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static void virtio_ccw_serial_instance_init(Object *obj)
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static void virtio_ccw_serial_instance_init(Object *obj)
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{
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{
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VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
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VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_SERIAL);
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object_unref(OBJECT(&dev->vdev));
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}
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}
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static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev)
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static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev)
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@ -938,10 +935,9 @@ static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
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static void virtio_ccw_scsi_instance_init(Object *obj)
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static void virtio_ccw_scsi_instance_init(Object *obj)
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{
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{
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VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
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VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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#ifdef CONFIG_VHOST_SCSI
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#ifdef CONFIG_VHOST_SCSI
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@ -961,10 +957,9 @@ static int vhost_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
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static void vhost_ccw_scsi_instance_init(Object *obj)
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static void vhost_ccw_scsi_instance_init(Object *obj)
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{
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{
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VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
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VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VHOST_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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#endif
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#endif
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@ -1540,10 +1535,9 @@ static const TypeInfo vhost_ccw_scsi = {
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static void virtio_ccw_rng_instance_init(Object *obj)
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static void virtio_ccw_rng_instance_init(Object *obj)
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{
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{
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VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
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VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_RNG);
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object_unref(OBJECT(&dev->vdev));
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object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
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object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
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(Object **)&dev->vdev.conf.rng,
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(Object **)&dev->vdev.conf.rng,
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qdev_prop_allow_set_link_before_realize,
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qdev_prop_allow_set_link_before_realize,
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@ -947,10 +947,9 @@ static void virtio_9p_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_9p_pci_instance_init(Object *obj)
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static void virtio_9p_pci_instance_init(Object *obj)
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{
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{
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V9fsPCIState *dev = VIRTIO_9P_PCI(obj);
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V9fsPCIState *dev = VIRTIO_9P_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_9P);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_9P);
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object_unref(OBJECT(&dev->vdev));
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}
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}
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static const TypeInfo virtio_9p_pci_info = {
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static const TypeInfo virtio_9p_pci_info = {
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@ -1112,10 +1111,9 @@ static void virtio_blk_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_blk_pci_instance_init(Object *obj)
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static void virtio_blk_pci_instance_init(Object *obj)
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{
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{
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VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(obj);
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VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_BLK);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
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&error_abort);
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&error_abort);
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}
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}
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@ -1185,10 +1183,9 @@ static void virtio_scsi_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_scsi_pci_instance_init(Object *obj)
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static void virtio_scsi_pci_instance_init(Object *obj)
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{
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{
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VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
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VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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static const TypeInfo virtio_scsi_pci_info = {
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static const TypeInfo virtio_scsi_pci_info = {
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static void vhost_scsi_pci_instance_init(Object *obj)
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static void vhost_scsi_pci_instance_init(Object *obj)
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{
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{
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VHostSCSIPCI *dev = VHOST_SCSI_PCI(obj);
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VHostSCSIPCI *dev = VHOST_SCSI_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VHOST_SCSI);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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static const TypeInfo vhost_scsi_pci_info = {
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static const TypeInfo vhost_scsi_pci_info = {
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@ -1408,10 +1404,9 @@ static void virtio_serial_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_serial_pci_instance_init(Object *obj)
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static void virtio_serial_pci_instance_init(Object *obj)
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{
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{
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VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj);
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VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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TYPE_VIRTIO_SERIAL);
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object_unref(OBJECT(&dev->vdev));
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}
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}
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static const TypeInfo virtio_serial_pci_info = {
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static const TypeInfo virtio_serial_pci_info = {
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@ -1467,10 +1462,9 @@ static void virtio_net_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_net_pci_instance_init(Object *obj)
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static void virtio_net_pci_instance_init(Object *obj)
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{
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{
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VirtIONetPCI *dev = VIRTIO_NET_PCI(obj);
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VirtIONetPCI *dev = VIRTIO_NET_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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object_unref(OBJECT(&dev->vdev));
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TYPE_VIRTIO_NET);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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}
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}
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static const TypeInfo virtio_net_pci_info = {
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static const TypeInfo virtio_net_pci_info = {
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@ -1523,10 +1517,9 @@ static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
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static void virtio_rng_initfn(Object *obj)
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static void virtio_rng_initfn(Object *obj)
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{
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{
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VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
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VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
||||||
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
|
TYPE_VIRTIO_RNG);
|
||||||
object_unref(OBJECT(&dev->vdev));
|
|
||||||
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
|
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
|
||||||
(Object **)&dev->vdev.conf.rng,
|
(Object **)&dev->vdev.conf.rng,
|
||||||
qdev_prop_allow_set_link_before_realize,
|
qdev_prop_allow_set_link_before_realize,
|
||||||
|
|
|
@ -1123,6 +1123,17 @@ static void virtio_vmstate_change(void *opaque, int running, RunState state)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void virtio_instance_init_common(Object *proxy_obj, void *data,
|
||||||
|
size_t vdev_size, const char *vdev_name)
|
||||||
|
{
|
||||||
|
DeviceState *vdev = data;
|
||||||
|
|
||||||
|
object_initialize(vdev, vdev_size, vdev_name);
|
||||||
|
object_property_add_child(proxy_obj, "virtio-backend", OBJECT(vdev), NULL);
|
||||||
|
object_unref(OBJECT(vdev));
|
||||||
|
qdev_alias_all_properties(vdev, proxy_obj);
|
||||||
|
}
|
||||||
|
|
||||||
void virtio_init(VirtIODevice *vdev, const char *name,
|
void virtio_init(VirtIODevice *vdev, const char *name,
|
||||||
uint16_t device_id, size_t config_size)
|
uint16_t device_id, size_t config_size)
|
||||||
{
|
{
|
||||||
|
|
|
@ -161,6 +161,9 @@ typedef struct VirtioDeviceClass {
|
||||||
int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
|
int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
|
||||||
} VirtioDeviceClass;
|
} VirtioDeviceClass;
|
||||||
|
|
||||||
|
void virtio_instance_init_common(Object *proxy_obj, void *data,
|
||||||
|
size_t vdev_size, const char *vdev_name);
|
||||||
|
|
||||||
void virtio_init(VirtIODevice *vdev, const char *name,
|
void virtio_init(VirtIODevice *vdev, const char *name,
|
||||||
uint16_t device_id, size_t config_size);
|
uint16_t device_id, size_t config_size);
|
||||||
void virtio_cleanup(VirtIODevice *vdev);
|
void virtio_cleanup(VirtIODevice *vdev);
|
||||||
|
|
Loading…
Reference in New Issue