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Diffstat (limited to 'hw/virtio/virtio-rng.c')
-rw-r--r--hw/virtio/virtio-rng.c87
1 files changed, 21 insertions, 66 deletions
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index b70975b09f..805dd18b76 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -130,47 +130,45 @@ static void check_rate_limit(void *opaque)
qemu_get_clock_ms(vm_clock) + s->conf.period_ms);
}
-static VirtIODevice *virtio_rng_common_init(DeviceState *dev,
- VirtIORNGConf *conf,
- VirtIORNG **pvrng)
+static int virtio_rng_device_init(VirtIODevice *vdev)
{
- VirtIORNG *vrng = *pvrng;
- VirtIODevice *vdev;
+ DeviceState *qdev = DEVICE(vdev);
+ VirtIORNG *vrng = VIRTIO_RNG(vdev);
Error *local_err = NULL;
- /*
- * We have two cases here: the old virtio-rng-x device, and the
- * refactored virtio-rng.
- * This will disappear later in the serie.
- */
- if (vrng == NULL) {
- vdev = virtio_common_init("virtio-rng", VIRTIO_ID_RNG, 0,
- sizeof(VirtIORNG));
- vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
- } else {
- vdev = VIRTIO_DEVICE(vrng);
- virtio_init(vdev, "virtio-rng", VIRTIO_ID_RNG, 0);
+ if (vrng->conf.rng == NULL) {
+ vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
+
+ object_property_add_child(OBJECT(qdev),
+ "default-backend",
+ OBJECT(vrng->conf.default_backend),
+ NULL);
+
+ object_property_set_link(OBJECT(qdev),
+ OBJECT(vrng->conf.default_backend),
+ "rng", NULL);
}
- vrng->rng = conf->rng;
+ virtio_init(vdev, "virtio-rng", VIRTIO_ID_RNG, 0);
+
+ vrng->rng = vrng->conf.rng;
if (vrng->rng == NULL) {
qerror_report(QERR_INVALID_PARAMETER_VALUE, "rng", "a valid object");
- return NULL;
+ return -1;
}
rng_backend_open(vrng->rng, &local_err);
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
- return NULL;
+ return -1;
}
vrng->vq = virtio_add_queue(vdev, 8, handle_input);
vrng->vdev.get_features = get_features;
- vrng->qdev = dev;
- memcpy(&(vrng->conf), conf, sizeof(struct VirtIORNGConf));
+ vrng->qdev = qdev;
assert(vrng->conf.max_bytes <= INT64_MAX);
vrng->quota_remaining = vrng->conf.max_bytes;
@@ -181,52 +179,9 @@ static VirtIODevice *virtio_rng_common_init(DeviceState *dev,
qemu_mod_timer(vrng->rate_limit_timer,
qemu_get_clock_ms(vm_clock) + vrng->conf.period_ms);
- register_savevm(dev, "virtio-rng", -1, 1, virtio_rng_save,
+ register_savevm(qdev, "virtio-rng", -1, 1, virtio_rng_save,
virtio_rng_load, vrng);
- return vdev;
-}
-
-/*
- * This two functions will be removed later in the serie.
- */
-VirtIODevice *virtio_rng_init(DeviceState *dev, VirtIORNGConf *conf)
-{
- VirtIORNG *vdev = NULL;
- return virtio_rng_common_init(dev, conf, &vdev);
-}
-
-void virtio_rng_exit(VirtIODevice *vdev)
-{
- VirtIORNG *vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
-
- qemu_del_timer(vrng->rate_limit_timer);
- qemu_free_timer(vrng->rate_limit_timer);
- unregister_savevm(vrng->qdev, "virtio-rng", vrng);
- virtio_cleanup(vdev);
-}
-
-static int virtio_rng_device_init(VirtIODevice *vdev)
-{
- DeviceState *qdev = DEVICE(vdev);
- VirtIORNG *vrng = VIRTIO_RNG(vdev);
-
- if (vrng->conf.rng == NULL) {
- vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
-
- object_property_add_child(OBJECT(qdev),
- "default-backend",
- OBJECT(vrng->conf.default_backend),
- NULL);
-
- object_property_set_link(OBJECT(qdev),
- OBJECT(vrng->conf.default_backend),
- "rng", NULL);
- }
-
- if (virtio_rng_common_init(qdev, &(vrng->conf), &vrng) == NULL) {
- return -1;
- }
return 0;
}