1 /*
2  * Vhost-user generic virtio device
3  *
4  * Copyright (c) 2023 Linaro Ltd
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef QEMU_VHOST_USER_DEVICE_H
10 #define QEMU_VHOST_USER_DEVICE_H
11 
12 #include "hw/virtio/vhost.h"
13 #include "hw/virtio/vhost-user.h"
14 
15 #define TYPE_VHOST_USER_BASE "vhost-user-base"
16 
17 OBJECT_DECLARE_TYPE(VHostUserBase, VHostUserBaseClass, VHOST_USER_BASE)
18 
19 struct VHostUserBase {
20     VirtIODevice parent;
21     /* Properties */
22     CharBackend chardev;
23     uint16_t virtio_id;
24     uint32_t num_vqs;
25     uint32_t config_size;
26     /* State tracking */
27     VhostUserState vhost_user;
28     struct vhost_virtqueue *vhost_vq;
29     struct vhost_dev vhost_dev;
30     GPtrArray *vqs;
31     bool connected;
32 };
33 
34     /* needed so we can use the base realize after specialisation
35        tweaks */
36 struct VHostUserBaseClass {
37     /*< private >*/
38     VirtioDeviceClass parent_class;
39     /*< public >*/
40     DeviceRealize parent_realize;
41 };
42 
43 /* shared for the benefit of the derived pci class */
44 #define TYPE_VHOST_USER_DEVICE "vhost-user-device"
45 
46 #endif /* QEMU_VHOST_USER_DEVICE_H */
47