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
DECLARE_INSTANCE_CHECKER(VHostUserSoundPCI,VHOST_USER_SND_PCI,TYPE_VHOST_USER_SND_PCI)23 DECLARE_INSTANCE_CHECKER(VHostUserSoundPCI, VHOST_USER_SND_PCI,
24 TYPE_VHOST_USER_SND_PCI)
25
26 static void vhost_user_snd_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
27 {
28 VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(vpci_dev);
29 DeviceState *vdev = DEVICE(&dev->vdev);
30
31 vpci_dev->nvectors = 1;
32
33 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
34 }
35
vhost_user_snd_pci_class_init(ObjectClass * klass,const void * data)36 static void vhost_user_snd_pci_class_init(ObjectClass *klass, const void *data)
37 {
38 DeviceClass *dc = DEVICE_CLASS(klass);
39 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
40 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
41 k->realize = vhost_user_snd_pci_realize;
42 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
43 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
44 pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
45 pcidev_k->revision = 0x00;
46 pcidev_k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
47 }
48
vhost_user_snd_pci_instance_init(Object * obj)49 static void vhost_user_snd_pci_instance_init(Object *obj)
50 {
51 VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(obj);
52
53 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
54 TYPE_VHOST_USER_SND);
55 }
56
57 static const VirtioPCIDeviceTypeInfo vhost_user_snd_pci_info = {
58 .base_name = TYPE_VHOST_USER_SND_PCI,
59 .non_transitional_name = "vhost-user-snd-pci",
60 .instance_size = sizeof(VHostUserSoundPCI),
61 .instance_init = vhost_user_snd_pci_instance_init,
62 .class_init = vhost_user_snd_pci_class_init,
63 };
64
vhost_user_snd_pci_register(void)65 static void vhost_user_snd_pci_register(void)
66 {
67 virtio_pci_types_register(&vhost_user_snd_pci_info);
68 }
69
70 type_init(vhost_user_snd_pci_register);
71