mirror of https://gitee.com/openkylin/qemu.git
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* virtio ccw random number generator implementation
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*
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* Copyright 2012, 2015 IBM Corp.
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* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#include "qemu/osdep.h"
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#include "hw/qdev-properties.h"
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#include "hw/virtio/virtio.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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#include "virtio-ccw.h"
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static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp)
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{
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VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev);
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DeviceState *vdev = DEVICE(&dev->vdev);
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Error *err = NULL;
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qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
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object_property_set_bool(OBJECT(vdev), true, "realized", &err);
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if (err) {
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error_propagate(errp, err);
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return;
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}
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object_property_set_link(OBJECT(dev),
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OBJECT(dev->vdev.conf.rng), "rng",
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NULL);
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}
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static void virtio_ccw_rng_instance_init(Object *obj)
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{
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VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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TYPE_VIRTIO_RNG);
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}
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static Property virtio_ccw_rng_properties[] = {
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DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
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VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
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DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
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VIRTIO_CCW_MAX_REV),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
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k->realize = virtio_ccw_rng_realize;
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dc->props = virtio_ccw_rng_properties;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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}
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static const TypeInfo virtio_ccw_rng = {
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.name = TYPE_VIRTIO_RNG_CCW,
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.parent = TYPE_VIRTIO_CCW_DEVICE,
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.instance_size = sizeof(VirtIORNGCcw),
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.instance_init = virtio_ccw_rng_instance_init,
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.class_init = virtio_ccw_rng_class_init,
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};
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static void virtio_ccw_rng_register(void)
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{
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type_register_static(&virtio_ccw_rng);
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}
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type_init(virtio_ccw_rng_register)
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