1 /*
2 * Vhost-user Sound virtio device PCI glue
3 *
4 * Copyright (c) 2023 Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8
9 #include "qemu/osdep.h"
10 #include "hw/qdev-properties.h"
11 #include "hw/virtio/vhost-user-snd.h"
12 #include "hw/virtio/virtio-pci.h"
13
14 struct VHostUserSoundPCI {
15 VirtIOPCIProxy parent_obj;
16 VHostUserSound vdev;
17 };
18
19 typedef struct VHostUserSoundPCI VHostUserSoundPCI;
20
21 #define TYPE_VHOST_USER_SND_PCI "vhost-user-snd-pci-base"
22
23 DECLARE_INSTANCE_CHECKER(VHostUserSoundPCI, VHOST_USER_SND_PCI,
24 TYPE_VHOST_USER_SND_PCI)
25
26 static Property vhost_user_snd_pci_properties[] = {
27 DEFINE_PROP_END_OF_LIST(),
28 };
29
vhost_user_snd_pci_realize(VirtIOPCIProxy * vpci_dev,Error ** errp)30 static void vhost_user_snd_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
31 {
32 VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(vpci_dev);
33 DeviceState *vdev = DEVICE(&dev->vdev);
34
35 vpci_dev->nvectors = 1;
36
37 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
38 }
39
vhost_user_snd_pci_class_init(ObjectClass * klass,void * data)40 static void vhost_user_snd_pci_class_init(ObjectClass *klass, void *data)
41 {
42 DeviceClass *dc = DEVICE_CLASS(klass);
43 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
44 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
45 k->realize = vhost_user_snd_pci_realize;
46 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
47 device_class_set_props(dc, vhost_user_snd_pci_properties);
48 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
49 pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
50 pcidev_k->revision = 0x00;
51 pcidev_k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
52 }
53
vhost_user_snd_pci_instance_init(Object * obj)54 static void vhost_user_snd_pci_instance_init(Object *obj)
55 {
56 VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(obj);
57
58 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
59 TYPE_VHOST_USER_SND);
60 }
61
62 static const VirtioPCIDeviceTypeInfo vhost_user_snd_pci_info = {
63 .base_name = TYPE_VHOST_USER_SND_PCI,
64 .non_transitional_name = "vhost-user-snd-pci",
65 .instance_size = sizeof(VHostUserSoundPCI),
66 .instance_init = vhost_user_snd_pci_instance_init,
67 .class_init = vhost_user_snd_pci_class_init,
68 };
69
vhost_user_snd_pci_register(void)70 static void vhost_user_snd_pci_register(void)
71 {
72 virtio_pci_types_register(&vhost_user_snd_pci_info);
73 }
74
75 type_init(vhost_user_snd_pci_register);
76