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virtio-ccw-input.c (4402B)

      1 /*
      2  * virtio ccw input implementation
      3  *
      4  * Copyright 2012, 2015 IBM Corp.
      5  *
      6  * This work is licensed under the terms of the GNU GPL, version 2 or (at
      7  * your option) any later version. See the COPYING file in the top-level
      8  * directory.
      9  */
     10 
     11 #include "qemu/osdep.h"
     12 #include "hw/qdev-properties.h"
     13 #include "hw/virtio/virtio.h"
     14 #include "qapi/error.h"
     15 #include "qemu/module.h"
     16 #include "virtio-ccw.h"
     17 #include "hw/virtio/virtio-input.h"
     18 
     19 #define TYPE_VIRTIO_INPUT_CCW "virtio-input-ccw"
     20 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputCcw, VIRTIO_INPUT_CCW)
     21 
     22 struct VirtIOInputCcw {
     23     VirtioCcwDevice parent_obj;
     24     VirtIOInput vdev;
     25 };
     26 
     27 #define TYPE_VIRTIO_INPUT_HID_CCW "virtio-input-hid-ccw"
     28 #define TYPE_VIRTIO_KEYBOARD_CCW "virtio-keyboard-ccw"
     29 #define TYPE_VIRTIO_MOUSE_CCW "virtio-mouse-ccw"
     30 #define TYPE_VIRTIO_TABLET_CCW "virtio-tablet-ccw"
     31 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputHIDCcw, VIRTIO_INPUT_HID_CCW)
     32 
     33 struct VirtIOInputHIDCcw {
     34     VirtioCcwDevice parent_obj;
     35     VirtIOInputHID vdev;
     36 };
     37 
     38 static void virtio_ccw_input_realize(VirtioCcwDevice *ccw_dev, Error **errp)
     39 {
     40     VirtIOInputCcw *dev = VIRTIO_INPUT_CCW(ccw_dev);
     41     DeviceState *vdev = DEVICE(&dev->vdev);
     42 
     43     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
     44 }
     45 
     46 static Property virtio_ccw_input_properties[] = {
     47     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
     48                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     49     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
     50                        VIRTIO_CCW_MAX_REV),
     51     DEFINE_PROP_END_OF_LIST(),
     52 };
     53 
     54 static void virtio_ccw_input_class_init(ObjectClass *klass, void *data)
     55 {
     56     DeviceClass *dc = DEVICE_CLASS(klass);
     57     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
     58 
     59     k->realize = virtio_ccw_input_realize;
     60     device_class_set_props(dc, virtio_ccw_input_properties);
     61     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
     62 }
     63 
     64 static void virtio_ccw_keyboard_instance_init(Object *obj)
     65 {
     66     VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
     67     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
     68 
     69     ccw_dev->force_revision_1 = true;
     70     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     71                                 TYPE_VIRTIO_KEYBOARD);
     72 }
     73 
     74 static void virtio_ccw_mouse_instance_init(Object *obj)
     75 {
     76     VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
     77     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
     78 
     79     ccw_dev->force_revision_1 = true;
     80     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     81                                 TYPE_VIRTIO_MOUSE);
     82 }
     83 
     84 static void virtio_ccw_tablet_instance_init(Object *obj)
     85 {
     86     VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
     87     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
     88 
     89     ccw_dev->force_revision_1 = true;
     90     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     91                                 TYPE_VIRTIO_TABLET);
     92 }
     93 
     94 static const TypeInfo virtio_ccw_input = {
     95     .name          = TYPE_VIRTIO_INPUT_CCW,
     96     .parent        = TYPE_VIRTIO_CCW_DEVICE,
     97     .instance_size = sizeof(VirtIOInputCcw),
     98     .class_init    = virtio_ccw_input_class_init,
     99     .abstract = true,
    100 };
    101 
    102 static const TypeInfo virtio_ccw_input_hid = {
    103     .name          = TYPE_VIRTIO_INPUT_HID_CCW,
    104     .parent        = TYPE_VIRTIO_INPUT_CCW,
    105     .instance_size = sizeof(VirtIOInputHIDCcw),
    106     .abstract = true,
    107 };
    108 
    109 static const TypeInfo virtio_ccw_keyboard = {
    110     .name          = TYPE_VIRTIO_KEYBOARD_CCW,
    111     .parent        = TYPE_VIRTIO_INPUT_HID_CCW,
    112     .instance_size = sizeof(VirtIOInputHIDCcw),
    113     .instance_init = virtio_ccw_keyboard_instance_init,
    114 };
    115 
    116 static const TypeInfo virtio_ccw_mouse = {
    117     .name          = TYPE_VIRTIO_MOUSE_CCW,
    118     .parent        = TYPE_VIRTIO_INPUT_HID_CCW,
    119     .instance_size = sizeof(VirtIOInputHIDCcw),
    120     .instance_init = virtio_ccw_mouse_instance_init,
    121 };
    122 
    123 static const TypeInfo virtio_ccw_tablet = {
    124     .name          = TYPE_VIRTIO_TABLET_CCW,
    125     .parent        = TYPE_VIRTIO_INPUT_HID_CCW,
    126     .instance_size = sizeof(VirtIOInputHIDCcw),
    127     .instance_init = virtio_ccw_tablet_instance_init,
    128 };
    129 
    130 static void virtio_ccw_input_register(void)
    131 {
    132     type_register_static(&virtio_ccw_input);
    133     type_register_static(&virtio_ccw_input_hid);
    134     type_register_static(&virtio_ccw_keyboard);
    135     type_register_static(&virtio_ccw_mouse);
    136     type_register_static(&virtio_ccw_tablet);
    137 }
    138 
    139 type_init(virtio_ccw_input_register)