qemu

FORK: QEMU emulator
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virtio-ccw-9p.c (2149B)

      1 /*
      2  * virtio ccw 9p implementation
      3  *
      4  * Copyright 2012, 2015 IBM Corp.
      5  * Author(s): Pierre Morel <pmorel@linux.vnet.ibm.com>
      6  *
      7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
      8  * your option) any later version. See the COPYING file in the top-level
      9  * directory.
     10  */
     11 
     12 #include "qemu/osdep.h"
     13 #include "hw/qdev-properties.h"
     14 #include "hw/virtio/virtio.h"
     15 #include "qapi/error.h"
     16 #include "qemu/module.h"
     17 #include "virtio-ccw.h"
     18 #include "hw/9pfs/virtio-9p.h"
     19 
     20 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
     21 OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW)
     22 
     23 struct V9fsCCWState {
     24     VirtioCcwDevice parent_obj;
     25     V9fsVirtioState vdev;
     26 };
     27 
     28 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
     29 {
     30     V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
     31     DeviceState *vdev = DEVICE(&dev->vdev);
     32 
     33     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
     34 }
     35 
     36 static void virtio_ccw_9p_instance_init(Object *obj)
     37 {
     38     V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
     39 
     40     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     41                                 TYPE_VIRTIO_9P);
     42 }
     43 
     44 static Property virtio_ccw_9p_properties[] = {
     45     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
     46             VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     47     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
     48                        VIRTIO_CCW_MAX_REV),
     49     DEFINE_PROP_END_OF_LIST(),
     50 };
     51 
     52 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
     53 {
     54     DeviceClass *dc = DEVICE_CLASS(klass);
     55     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
     56 
     57     k->realize = virtio_ccw_9p_realize;
     58     device_class_set_props(dc, virtio_ccw_9p_properties);
     59     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     60 }
     61 
     62 static const TypeInfo virtio_ccw_9p_info = {
     63     .name          = TYPE_VIRTIO_9P_CCW,
     64     .parent        = TYPE_VIRTIO_CCW_DEVICE,
     65     .instance_size = sizeof(V9fsCCWState),
     66     .instance_init = virtio_ccw_9p_instance_init,
     67     .class_init    = virtio_ccw_9p_class_init,
     68 };
     69 
     70 static void virtio_ccw_9p_register(void)
     71 {
     72     type_register_static(&virtio_ccw_9p_info);
     73 }
     74 
     75 type_init(virtio_ccw_9p_register)